]> git.openfabrics.org - ~emulex/infiniband.git/commitdiff
Staging: add driver for Realtek RTS5139 cardreader
authoredwin_rong <edwin_rong@realsil.com.cn>
Tue, 19 Jul 2011 09:10:35 +0000 (17:10 +0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 23 Aug 2011 19:11:46 +0000 (12:11 -0700)
This driver is used for Realtek RTS5139 USB cardreader, which
supports many cards, such as SD, MS, XD series cards.

Signed-off-by: edwin_rong <edwin_rong@realsil.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
30 files changed:
drivers/staging/Kconfig
drivers/staging/Makefile
drivers/staging/rts5139/Kconfig [new file with mode: 0644]
drivers/staging/rts5139/Makefile [new file with mode: 0644]
drivers/staging/rts5139/TODO [new file with mode: 0644]
drivers/staging/rts5139/debug.h [new file with mode: 0644]
drivers/staging/rts5139/ms.c [new file with mode: 0644]
drivers/staging/rts5139/ms.h [new file with mode: 0644]
drivers/staging/rts5139/ms_mg.c [new file with mode: 0644]
drivers/staging/rts5139/ms_mg.h [new file with mode: 0644]
drivers/staging/rts5139/rts51x.c [new file with mode: 0644]
drivers/staging/rts5139/rts51x.h [new file with mode: 0644]
drivers/staging/rts5139/rts51x_card.c [new file with mode: 0644]
drivers/staging/rts5139/rts51x_card.h [new file with mode: 0644]
drivers/staging/rts5139/rts51x_chip.c [new file with mode: 0644]
drivers/staging/rts5139/rts51x_chip.h [new file with mode: 0644]
drivers/staging/rts5139/rts51x_fop.c [new file with mode: 0644]
drivers/staging/rts5139/rts51x_fop.h [new file with mode: 0644]
drivers/staging/rts5139/rts51x_scsi.c [new file with mode: 0644]
drivers/staging/rts5139/rts51x_scsi.h [new file with mode: 0644]
drivers/staging/rts5139/rts51x_sys.h [new file with mode: 0644]
drivers/staging/rts5139/rts51x_transport.c [new file with mode: 0644]
drivers/staging/rts5139/rts51x_transport.h [new file with mode: 0644]
drivers/staging/rts5139/sd.c [new file with mode: 0644]
drivers/staging/rts5139/sd.h [new file with mode: 0644]
drivers/staging/rts5139/sd_cprm.c [new file with mode: 0644]
drivers/staging/rts5139/sd_cprm.h [new file with mode: 0644]
drivers/staging/rts5139/trace.h [new file with mode: 0644]
drivers/staging/rts5139/xd.c [new file with mode: 0644]
drivers/staging/rts5139/xd.h [new file with mode: 0644]

index 06c9081d596d543339115539c4bb0c9f08bb773e..a097763529fdc5bc687856b73b35e230556a49f1 100644 (file)
@@ -64,6 +64,8 @@ source "drivers/staging/rtl8712/Kconfig"
 
 source "drivers/staging/rts_pstor/Kconfig"
 
+source "drivers/staging/rts5139/Kconfig"
+
 source "drivers/staging/frontier/Kconfig"
 
 source "drivers/staging/pohmelfs/Kconfig"
index f3c5e33bb263b138ffcdb59b064db7b8a93e34e4..a84a6b331b36482b80d2c5406dfe02ea930d663e 100644 (file)
@@ -25,6 +25,7 @@ obj-$(CONFIG_RTL8192U)                += rtl8192u/
 obj-$(CONFIG_RTL8192E)         += rtl8192e/
 obj-$(CONFIG_R8712U)           += rtl8712/
 obj-$(CONFIG_RTS_PSTOR)                += rts_pstor/
+obj-$(CONFIG_RTS5139)          += rts5139/
 obj-$(CONFIG_SPECTRA)          += spectra/
 obj-$(CONFIG_TRANZPORT)                += frontier/
 obj-$(CONFIG_POHMELFS)         += pohmelfs/
diff --git a/drivers/staging/rts5139/Kconfig b/drivers/staging/rts5139/Kconfig
new file mode 100644 (file)
index 0000000..f940e51
--- /dev/null
@@ -0,0 +1,16 @@
+config RTS5139
+       tristate "Realtek RTS5139 USB card reader support"
+       depends on USB_SUPPORT && SCSI
+       help
+         Say Y here to include driver code to support the Realtek
+         RTS5139 USB card readers.
+
+         If this driver is compiled as a module, it will be named rts5139.
+
+config RTS5139_DEBUG
+       bool "Realtek RTS5139 Card Reader verbose debug"
+       depends on RTS5139
+       help
+         Say Y here in order to have the rts5139 code generate
+         verbose debugging messages.
+
diff --git a/drivers/staging/rts5139/Makefile b/drivers/staging/rts5139/Makefile
new file mode 100644 (file)
index 0000000..82b8958
--- /dev/null
@@ -0,0 +1,37 @@
+# Driver for Realtek RTS51xx USB card reader
+#
+# Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, see <http://www.gnu.org/licenses/>.
+#
+# Author:
+#   wwang (wei_wang@realsil.com.cn)
+#   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+# Maintainer:
+#   Edwin Rong (edwin_rong@realsil.com.cn)
+#   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+#
+# Makefile for the RTS51xx USB Card Reader drivers.
+#
+
+TARGET_MODULE := rts5139
+
+EXTRA_CFLAGS := -Idrivers/scsi -I$(PWD)
+
+obj-m += $(TARGET_MODULE).o
+
+common-obj := rts51x_transport.o rts51x_scsi.o rts51x_fop.o
+
+$(TARGET_MODULE)-objs := $(common-obj) rts51x.o rts51x_chip.o rts51x_card.o \
+               xd.o sd.o ms.o sd_cprm.o ms_mg.o
diff --git a/drivers/staging/rts5139/TODO b/drivers/staging/rts5139/TODO
new file mode 100644 (file)
index 0000000..4bde726
--- /dev/null
@@ -0,0 +1,5 @@
+TODO:
+- support more USB card reader of Realtek family
+- use kernel coding style
+- checkpatch.pl fixes
+
diff --git a/drivers/staging/rts5139/debug.h b/drivers/staging/rts5139/debug.h
new file mode 100644 (file)
index 0000000..73dec13
--- /dev/null
@@ -0,0 +1,46 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_DEBUG_H
+#define __RTS51X_DEBUG_H
+
+#include <linux/kernel.h>
+
+#define RTS51X_TIP "rts51x: "
+
+#ifdef CONFIG_RTS5139_DEBUG
+#define RTS51X_DEBUGP(x...) printk(KERN_DEBUG RTS51X_TIP x)
+#define RTS51X_DEBUGPN(x...) printk(KERN_DEBUG x)
+#define RTS51X_DEBUGPX(x...) printk(x)
+#define RTS51X_DEBUG(x) x
+#else
+#define RTS51X_DEBUGP(x...)
+#define RTS51X_DEBUGPN(x...)
+#define RTS51X_DEBUGPX(x...)
+#define RTS51X_DEBUG(x)
+#endif
+
+#endif /* __RTS51X_DEBUG_H */
diff --git a/drivers/staging/rts5139/ms.c b/drivers/staging/rts5139/ms.c
new file mode 100644 (file)
index 0000000..63f191d
--- /dev/null
@@ -0,0 +1,4190 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include "debug.h"
+#include "trace.h"
+#include "rts51x.h"
+#include "rts51x_transport.h"
+#include "rts51x_scsi.h"
+#include "rts51x_card.h"
+#include "ms.h"
+
+static inline void ms_set_err_code(struct rts51x_chip *chip, u8 err_code)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+
+       ms_card->err_code = err_code;
+}
+
+static inline int ms_check_err_code(struct rts51x_chip *chip, u8 err_code)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+
+       return (ms_card->err_code == err_code);
+}
+
+static int ms_parse_err_code(struct rts51x_chip *chip)
+{
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+static int ms_transfer_tpc(struct rts51x_chip *chip, u8 trans_mode, u8 tpc,
+                          u8 cnt, u8 cfg)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       RTS51X_DEBUGP("ms_transfer_tpc: tpc = 0x%x\n", tpc);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, tpc);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BYTE_CNT, 0xFF, cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                      MS_TRANSFER_START | trans_mode);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END,
+                      MS_TRANSFER_END);
+
+       rts51x_add_cmd(chip, READ_REG_CMD, MS_TRANS_CFG, 0, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 2, 5000);
+       if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+               rts51x_clear_ms_error(chip);
+               ms_set_err_code(chip, MS_TO_ERROR);
+               TRACE_RET(chip, ms_parse_err_code(chip));
+       }
+
+       if (!(tpc & 0x08)) {    /* Read Packet */
+               /* Check CRC16 & Ready Timeout */
+               if (chip->rsp_buf[1] & MS_CRC16_ERR) {
+                       ms_set_err_code(chip, MS_CRC16_ERROR);
+                       TRACE_RET(chip, ms_parse_err_code(chip));
+               }
+       } else { /* Write Packet */
+               if (CHK_MSPRO(ms_card) && !(chip->rsp_buf[1] & 0x80)) {
+                       if (chip->rsp_buf[1] & (MS_INT_ERR | MS_INT_CMDNK)) {
+                               ms_set_err_code(chip, MS_CMD_NK);
+                               TRACE_RET(chip, ms_parse_err_code(chip));
+                       }
+               }
+       }
+
+       /* Check Timeout of Ready Signal */
+       if (chip->rsp_buf[1] & MS_RDY_TIMEOUT) {
+               rts51x_clear_ms_error(chip);
+               ms_set_err_code(chip, MS_TO_ERROR);
+               TRACE_RET(chip, ms_parse_err_code(chip));
+       }
+
+       return STATUS_SUCCESS;
+}
+
+int ms_transfer_data(struct rts51x_chip *chip, u8 trans_mode, u8 tpc,
+                    u16 sec_cnt, u8 cfg, int mode_2k, int use_sg, void *buf,
+                    int buf_len)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       u8 val, err_code = 0, flag = 0;
+       enum dma_data_direction dir;
+       unsigned int pipe;
+
+       if (!buf || !buf_len)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (trans_mode == MS_TM_AUTO_READ) {
+               pipe = RCV_BULK_PIPE(chip);
+               dir = DMA_FROM_DEVICE;
+               flag = MODE_CDIR;
+               err_code = MS_FLASH_READ_ERROR;
+       } else if (trans_mode == MS_TM_AUTO_WRITE) {
+               pipe = SND_BULK_PIPE(chip);
+               dir = DMA_TO_DEVICE;
+               flag = MODE_CDOR;
+               err_code = MS_FLASH_WRITE_ERROR;
+       } else {
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, tpc);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_H, 0xFF,
+                      (u8) (sec_cnt >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_L, 0xFF,
+                      (u8) sec_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      RING_BUFFER);
+
+       if (mode_2k)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_CFG, MS_2K_SECTOR_MODE,
+                              MS_2K_SECTOR_MODE);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_CFG, MS_2K_SECTOR_MODE,
+                              0);
+
+       trans_dma_enable(dir, chip, sec_cnt * 512, DMA_512);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                      MS_TRANSFER_START | trans_mode);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END,
+                      MS_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, flag | STAGE_MS_STATUS, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval =
+           rts51x_transfer_data_rcc(chip, pipe, buf, buf_len, use_sg, NULL,
+                                    15000, flag);
+       if (retval != STATUS_SUCCESS) {
+               ms_set_err_code(chip, err_code);
+               rts51x_clear_ms_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       retval = rts51x_get_rsp(chip, 3, 15000);
+       if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+               ms_set_err_code(chip, err_code);
+               rts51x_clear_ms_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       ms_card->last_rw_int = val = chip->rsp_buf[1];
+       if (val & (MS_INT_CMDNK | MS_INT_ERR | MS_CRC16_ERR | MS_RDY_TIMEOUT))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+int ms_write_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 *data,
+                  int data_len)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+
+       if (!data || (data_len < cnt))
+               TRACE_RET(chip, STATUS_ERROR);
+
+       rts51x_init_cmd(chip);
+
+       for (i = 0; i < cnt; i++) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2 + i, 0xFF,
+                              data[i]);
+       }
+       if (cnt % 2)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2 + i,
+                               0xFF, 0xFF);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, tpc);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BYTE_CNT, 0xFF, cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                      MS_TRANSFER_START | MS_TM_WRITE_BYTES);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END,
+                      MS_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 1, 5000);
+       if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+               u8 val = 0;
+
+               rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val);
+               RTS51X_DEBUGP("MS_TRANS_CFG: 0x%02x\n", val);
+
+               rts51x_clear_ms_error(chip);
+
+               if (!(tpc & 0x08)) { /* Read Packet */
+                       /* Check CRC16 & Ready Timeout */
+                       if (val & MS_CRC16_ERR) {
+                               ms_set_err_code(chip, MS_CRC16_ERROR);
+                               TRACE_RET(chip, ms_parse_err_code(chip));
+                       }
+               } else { /* Write Packet */
+                       if (CHK_MSPRO(ms_card) && !(val & 0x80)) {
+                               if (val & (MS_INT_ERR | MS_INT_CMDNK)) {
+                                       ms_set_err_code(chip, MS_CMD_NK);
+                                       TRACE_RET(chip,
+                                                 ms_parse_err_code(chip));
+                               }
+                       }
+               }
+
+               /* Check Timeout of Ready Signal */
+               if (val & MS_RDY_TIMEOUT) {
+                       ms_set_err_code(chip, MS_TO_ERROR);
+                       TRACE_RET(chip, ms_parse_err_code(chip));
+               }
+
+               ms_set_err_code(chip, MS_TO_ERROR);
+               TRACE_RET(chip, ms_parse_err_code(chip));
+       }
+
+       return STATUS_SUCCESS;
+}
+
+int ms_read_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 *data,
+                 int data_len)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+
+       if (!data)
+               TRACE_RET(chip, STATUS_ERROR);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, tpc);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BYTE_CNT, 0xFF, cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                      MS_TRANSFER_START | MS_TM_READ_BYTES);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END,
+                      MS_TRANSFER_END);
+
+       for (i = 0; i < data_len - 1; i++)
+               rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + i, 0, 0);
+
+       if (data_len % 2)
+               rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + data_len, 0,
+                              0);
+       else
+               rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + data_len - 1,
+                              0, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, data_len + 1, 5000);
+       if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+               u8 val = 0;
+
+               rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val);
+               RTS51X_DEBUGP("MS_TRANS_CFG: 0x%02x\n", val);
+
+               rts51x_clear_ms_error(chip);
+
+               if (!(tpc & 0x08)) { /* Read Packet */
+                       /* Check CRC16 & Ready Timeout */
+                       if (val & MS_CRC16_ERR) {
+                               ms_set_err_code(chip, MS_CRC16_ERROR);
+                               TRACE_RET(chip, ms_parse_err_code(chip));
+                       }
+               } else { /* Write Packet */
+                       if (CHK_MSPRO(ms_card) && !(val & 0x80)) {
+                               if (val & (MS_INT_ERR | MS_INT_CMDNK)) {
+                                       ms_set_err_code(chip, MS_CMD_NK);
+                                       TRACE_RET(chip,
+                                                 ms_parse_err_code(chip));
+                               }
+                       }
+               }
+
+               /* Check Timeout of Ready Signal */
+               if (val & MS_RDY_TIMEOUT) {
+                       ms_set_err_code(chip, MS_TO_ERROR);
+                       TRACE_RET(chip, ms_parse_err_code(chip));
+               }
+
+               ms_set_err_code(chip, MS_TO_ERROR);
+               TRACE_RET(chip, ms_parse_err_code(chip));
+       }
+
+       rts51x_read_rsp_buf(chip, 1, data, data_len);
+
+       return STATUS_SUCCESS;
+}
+
+int ms_set_rw_reg_addr(struct rts51x_chip *chip,
+                      u8 read_start, u8 read_cnt, u8 write_start, u8 write_cnt)
+{
+       int retval, i;
+       u8 data[4];
+
+       data[0] = read_start;
+       data[1] = read_cnt;
+       data[2] = write_start;
+       data[3] = write_cnt;
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, SET_RW_REG_ADRS, 4, NO_WAIT_INT, data,
+                                  4);
+               if (retval == STATUS_SUCCESS)
+                       return STATUS_SUCCESS;
+               rts51x_clear_ms_error(chip);
+       }
+
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+static int ms_send_cmd(struct rts51x_chip *chip, u8 cmd, u8 cfg)
+{
+       u8 data[2];
+
+       data[0] = cmd;
+       data[1] = 0;
+
+       return ms_write_bytes(chip, PRO_SET_CMD, 1, cfg, data, 1);
+}
+
+static int ms_set_cmd(struct rts51x_chip *chip,
+                     u8 read_start, u8 read_count,
+                     u8 write_start, u8 write_count,
+                     u8 cmd, u8 cfg, u8 *data, int data_len, u8 *int_stat)
+{
+       int retval, i;
+       u8 val;
+
+       if (!data || (data_len <= 0) || (data_len > 128)) {
+               RTS51X_DEBUGP("ms_set_cmd (data_len = %d)\n", data_len);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       retval =
+           ms_set_rw_reg_addr(chip, read_start, read_count, write_start,
+                              write_count);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, WRITE_REG, write_count, NO_WAIT_INT,
+                                  data, data_len);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       ms_set_err_code(chip, MS_NO_ERROR);
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval = ms_send_cmd(chip, cmd, WAIT_INT);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+       /* GET_INT Register */
+       ms_set_err_code(chip, MS_NO_ERROR);
+       retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (int_stat)
+               *int_stat = val;
+
+       return STATUS_SUCCESS;
+}
+
+#ifdef MS_SPEEDUP
+static int ms_auto_set_cmd(struct rts51x_chip *chip,
+                          u8 read_start, u8 read_count,
+                          u8 write_start, u8 write_count,
+                          u8 cmd, u8 cfg, u8 *data, int data_len,
+                          u8 *int_stat)
+{
+       int retval;
+       int i;
+
+       if (!data || (data_len <= 0) || (data_len > 128)) {
+               RTS51X_DEBUGP("ms_auto_set_cmd (data_len = %d)\n", data_len);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_READ_START, 0xFF, read_start);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_READ_COUNT, 0xFF, read_count);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_WRITE_START, 0xFF, write_start);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_WRITE_COUNT, 0xFF, write_count);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_COMMAND, 0xFF, cmd);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF, cfg);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+
+       for (i = 0; i < data_len; i++) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, PPBUF_BASE2 + i, 0xFF,
+                              data[i]);
+       }
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                      MS_TRANSFER_START | MS_TM_SET_CMD);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END,
+                      MS_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR | STAGE_MS_STATUS, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 3, 5000);
+
+       if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+               rts51x_clear_ms_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (int_stat)
+               *int_stat = chip->rsp_buf[2];
+
+       return STATUS_SUCCESS;
+}
+#endif
+
+static int ms_set_init_para(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       if (CHK_HG8BIT(ms_card)) {
+               if (chip->asic_code)
+                       ms_card->ms_clock = chip->option.asic_ms_hg_clk;
+               else
+                       ms_card->ms_clock = chip->option.fpga_ms_hg_clk;
+       } else if (CHK_MSPRO(ms_card) || CHK_MS4BIT(ms_card)) {
+               if (chip->asic_code)
+                       ms_card->ms_clock = chip->option.asic_ms_4bit_clk;
+               else
+                       ms_card->ms_clock = chip->option.fpga_ms_4bit_clk;
+       } else {
+               if (chip->asic_code)
+                       ms_card->ms_clock = 38;
+               else
+                       ms_card->ms_clock = CLK_40;
+       }
+
+       retval = switch_clock(chip, ms_card->ms_clock);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_select_card(chip, MS_CARD);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int ms_switch_clock(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       retval = rts51x_select_card(chip, MS_CARD);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = switch_clock(chip, ms_card->ms_clock);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static void ms_pull_ctl_disable(struct rts51x_chip *chip)
+{
+       if (CHECK_PKG(chip, LQFP48)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x56);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
+       }
+}
+
+static void ms_pull_ctl_enable(struct rts51x_chip *chip)
+{
+       if (CHECK_PKG(chip, LQFP48)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
+       }
+}
+
+static int ms_prepare_reset(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       ms_card->ms_type = 0;
+       ms_card->check_ms_flow = 0;
+       ms_card->switch_8bit_fail = 0;
+       ms_card->delay_write.delay_write_flag = 0;
+
+       ms_card->pro_under_formatting = 0;
+
+       rts51x_init_cmd(chip);
+
+       if (chip->asic_code) {
+               ms_pull_ctl_enable(chip);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL,
+                              FPGA_MS_PULL_CTL_BIT | 0x20, 0);
+       }
+       /* Tri-state MS output */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN, 0);
+
+       if (!chip->option.FT2_fast_mode) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (!chip->option.FT2_fast_mode) {
+               wait_timeout(250);
+
+               card_power_on(chip, MS_CARD);
+               wait_timeout(150);
+
+#ifdef SUPPORT_OCP
+               rts51x_get_card_status(chip, &(chip->card_status));
+               /* get OCP status */
+               chip->ocp_stat = (chip->card_status >> 4) & 0x03;
+
+               if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) {
+                       RTS51X_DEBUGP("Over current, OCPSTAT is 0x%x\n",
+                                      chip->ocp_stat);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+#endif
+       }
+
+       rts51x_init_cmd(chip);
+
+       /* Enable MS Output */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN,
+                      MS_OUTPUT_EN);
+
+       /* Reset Registers */
+       if (chip->asic_code)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_CFG, 0xFF,
+                              SAMPLE_TIME_RISING | PUSH_TIME_DEFAULT |
+                              NO_EXTEND_TOGGLE | MS_BUS_WIDTH_1);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_CFG, 0xFF,
+                              SAMPLE_TIME_FALLING | PUSH_TIME_DEFAULT |
+                              NO_EXTEND_TOGGLE | MS_BUS_WIDTH_1);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF,
+                      NO_WAIT_INT | NO_AUTO_READ_INT_REG);
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return ms_set_init_para(chip);
+}
+
+static int ms_identify_media_type(struct rts51x_chip *chip, int switch_8bit_bus)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       u8 val;
+
+       retval = ms_set_rw_reg_addr(chip, Pro_StatusReg, 6, SystemParm, 1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       /* Get Register form MS-PRO card */
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_transfer_tpc(chip, MS_TM_READ_BYTES, READ_REG, 6,
+                                   NO_WAIT_INT);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       RTS51X_READ_REG(chip, PPBUF_BASE2 + 2, &val);
+       RTS51X_DEBUGP("Type register: 0x%x\n", val);
+       if (val != 0x01) {
+               if (val != 0x02)
+                       ms_card->check_ms_flow = 1;
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       /* Category Register */
+       RTS51X_READ_REG(chip, PPBUF_BASE2 + 4, &val);
+       RTS51X_DEBUGP("Category register: 0x%x\n", val);
+       if (val != 0) {
+               ms_card->check_ms_flow = 1;
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       /* Class Register */
+       RTS51X_READ_REG(chip, PPBUF_BASE2 + 5, &val);
+       RTS51X_DEBUGP("Class register: 0x%x\n", val);
+       if (val == 0) {
+               RTS51X_READ_REG(chip, PPBUF_BASE2, &val);
+               if (val & WRT_PRTCT)
+                       chip->card_wp |= MS_CARD;
+               else
+                       chip->card_wp &= ~MS_CARD;
+       } else if ((val == 0x01) || (val == 0x02) || (val == 0x03)) {
+               chip->card_wp |= MS_CARD;
+       } else {
+               ms_card->check_ms_flow = 1;
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       ms_card->ms_type |= TYPE_MSPRO;
+
+       /* Check MSPro-HG Card, use IF Mode Register to distinguish */
+       RTS51X_READ_REG(chip, PPBUF_BASE2 + 3, &val);
+       RTS51X_DEBUGP("IF Mode register: 0x%x\n", val);
+       if (val == 0) {
+               ms_card->ms_type &= 0x0F;
+       } else if (val == 7) {
+               if (switch_8bit_bus)
+                       ms_card->ms_type |= MS_HG;
+               else
+                       ms_card->ms_type &= 0x0F;
+       } else {
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       /* end Procedure to identify Media Type */
+       return STATUS_SUCCESS;
+}
+
+static int ms_confirm_cpu_startup(struct rts51x_chip *chip)
+{
+       int retval, i, k;
+       u8 val;
+
+       /* Confirm CPU StartUp */
+       k = 0;
+       do {
+               if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+                       retval =
+                           ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val,
+                                         1);
+                       if (retval == STATUS_SUCCESS)
+                               break;
+               }
+               if (i == MS_MAX_RETRY_COUNT)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               if (k > 100)
+                       TRACE_RET(chip, STATUS_FAIL);
+               k++;
+               wait_timeout(100);
+       } while (!(val & INT_REG_CED));
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (val & INT_REG_ERR) {
+               if (val & INT_REG_CMDNK) {      /* CMDNK = 1 */
+                       chip->card_wp |= (MS_CARD);
+               } else {        /* CMDNK = 0 */
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+       /*--  end confirm CPU startup */
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_switch_parallel_bus(struct rts51x_chip *chip)
+{
+       int retval, i;
+       u8 data[2];
+
+       data[0] = PARALLEL_4BIT_IF;
+       data[1] = 0;
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, WRITE_REG, 1, NO_WAIT_INT, data, 2);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_switch_8bit_bus(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       u8 data[2];
+
+       data[0] = PARALLEL_8BIT_IF;
+       data[1] = 0;
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, WRITE_REG, 1, NO_WAIT_INT, data, 2);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       RTS51X_WRITE_REG(chip, MS_CFG, 0x98,
+                        MS_BUS_WIDTH_8 | SAMPLE_TIME_FALLING);
+       ms_card->ms_type |= MS_8BIT;
+
+       retval = ms_set_init_para(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_transfer_tpc(chip, MS_TM_READ_BYTES, GET_INT, 1,
+                                   NO_WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_pro_reset_flow(struct rts51x_chip *chip, int switch_8bit_bus)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+
+       for (i = 0; i < 3; i++) {
+               retval = ms_prepare_reset(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = ms_identify_media_type(chip, switch_8bit_bus);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = ms_confirm_cpu_startup(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = ms_switch_parallel_bus(chip);
+               if (retval != STATUS_SUCCESS) {
+                       if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST)
+                               TRACE_RET(chip, STATUS_FAIL);
+                       continue;
+               } else {
+                       break;
+               }
+       }
+
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_WRITE_REG(chip, MS_CFG, 0x18, MS_BUS_WIDTH_4);
+
+       RTS51X_WRITE_REG(chip, MS_CFG, PUSH_TIME_ODD, PUSH_TIME_ODD);
+
+       retval = ms_set_init_para(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (CHK_MSHG(ms_card) && switch_8bit_bus) {
+               retval = ms_switch_8bit_bus(chip);
+               if (retval != STATUS_SUCCESS) {
+                       ms_card->switch_8bit_fail = 1;
+                       TRACE_RET(chip, retval);
+               }
+       }
+
+       return STATUS_SUCCESS;
+}
+
+#ifdef XC_POWERCLASS
+static int msxc_change_power(struct rts51x_chip *chip, u8 mode)
+{
+       int retval;
+       u8 buf[6];
+
+       ms_cleanup_work(chip);
+
+       /* Set Parameter Register */
+       retval = ms_set_rw_reg_addr(chip, 0, 0, Pro_DataCount1, 6);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       buf[0] = 0;
+       buf[1] = mode;
+       buf[2] = 0;
+       buf[3] = 0;
+       buf[4] = 0;
+       buf[5] = 0;
+
+       retval = ms_write_bytes(chip, PRO_WRITE_REG, 6, NO_WAIT_INT, buf, 6);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = ms_send_cmd(chip, XC_CHG_POWER, WAIT_INT);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_READ_REG(chip, MS_TRANS_CFG, buf);
+       if (buf[0] & (MS_INT_CMDNK | MS_INT_ERR))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+#endif
+
+static int ms_read_attribute_info(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       u8 val, *buf, class_code, device_type, sub_class, data[16];
+       u16 total_blk = 0, blk_size = 0;
+#ifdef SUPPORT_MSXC
+       u32 xc_total_blk = 0, xc_blk_size = 0;
+#endif
+       u32 sys_info_addr = 0, sys_info_size;
+#ifdef SUPPORT_PCGL_1P18
+       u32 model_name_addr = 0, model_name_size;
+       int found_sys_info = 0, found_model_name = 0;
+#endif
+
+       retval = ms_set_rw_reg_addr(chip, Pro_IntReg, 2, Pro_SystemParm, 7);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (CHK_MS8BIT(ms_card))
+               data[0] = PARALLEL_8BIT_IF;
+       else
+               data[0] = PARALLEL_4BIT_IF;
+       data[1] = 0;
+
+       data[2] = 0x40;
+       data[3] = 0;
+       data[4] = 0;
+       data[5] = 0;
+       /* Start address 0 */
+       data[6] = 0;
+       data[7] = 0;
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, PRO_WRITE_REG, 7, NO_WAIT_INT, data,
+                                  8);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       buf = kmalloc(64 * 512, GFP_KERNEL);
+       if (buf == NULL)
+               TRACE_RET(chip, STATUS_NOMEM);
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval = ms_send_cmd(chip, PRO_READ_ATRB, WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       continue;
+
+               retval = rts51x_read_register(chip, MS_TRANS_CFG, &val);
+               if (retval != STATUS_SUCCESS) {
+                       kfree(buf);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+               if (!(val & MS_INT_BREQ)) {
+                       kfree(buf);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               retval =
+                   ms_transfer_data(chip, MS_TM_AUTO_READ, PRO_READ_LONG_DATA,
+                                    0x40, WAIT_INT, 0, 0, buf, 64 * 512);
+               if (retval == STATUS_SUCCESS)
+                       break;
+               else
+                       rts51x_clear_ms_error(chip);
+       }
+       if (retval != STATUS_SUCCESS) {
+               kfree(buf);
+               TRACE_RET(chip, retval);
+       }
+
+       i = 0;
+       do {
+               retval = rts51x_read_register(chip, MS_TRANS_CFG, &val);
+               if (retval != STATUS_SUCCESS) {
+                       kfree(buf);
+                       TRACE_RET(chip, retval);
+               }
+
+               if ((val & MS_INT_CED) || !(val & MS_INT_BREQ))
+                       break;
+
+               retval =
+                   ms_transfer_tpc(chip, MS_TM_NORMAL_READ, PRO_READ_LONG_DATA,
+                                   0, WAIT_INT);
+               if (retval != STATUS_SUCCESS) {
+                       kfree(buf);
+                       TRACE_RET(chip, retval);
+               }
+
+               i++;
+       } while (i < 1024);
+
+       if (retval != STATUS_SUCCESS) {
+               kfree(buf);
+               TRACE_RET(chip, retval);
+       }
+
+       if ((buf[0] != 0xa5) && (buf[1] != 0xc3)) {
+               /* Signature code is wrong */
+               kfree(buf);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if ((buf[4] < 1) || (buf[4] > 12)) {
+               kfree(buf);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       for (i = 0; i < buf[4]; i++) {
+               int cur_addr_off = 16 + i * 12;
+
+#ifdef SUPPORT_MSXC
+               if ((buf[cur_addr_off + 8] == 0x10)
+                   || (buf[cur_addr_off + 8] == 0x13)) {
+#else
+               if (buf[cur_addr_off + 8] == 0x10) {
+#endif
+                       sys_info_addr = ((u32) buf[cur_addr_off + 0] << 24) |
+                           ((u32) buf[cur_addr_off + 1] << 16) |
+                           ((u32) buf[cur_addr_off + 2] << 8) |
+                           buf[cur_addr_off + 3];
+                       sys_info_size =
+                           ((u32) buf[cur_addr_off + 4] << 24) |
+                           ((u32) buf[cur_addr_off + 5] << 16) |
+                           ((u32) buf[cur_addr_off + 6] << 8) |
+                           buf[cur_addr_off + 7];
+                       RTS51X_DEBUGP("sys_info_addr = 0x%x,"
+                                       "sys_info_size = 0x%x\n",
+                                               sys_info_addr, sys_info_size);
+                       if (sys_info_size != 96) {
+                               kfree(buf);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if (sys_info_addr < 0x1A0) {
+                               kfree(buf);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if ((sys_info_size + sys_info_addr) > 0x8000) {
+                               kfree(buf);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+#ifdef SUPPORT_MSXC
+                       if (buf[cur_addr_off + 8] == 0x13)
+                               ms_card->ms_type |= MS_XC;
+#endif
+#ifdef SUPPORT_PCGL_1P18
+                       found_sys_info = 1;
+#else
+                       break;
+#endif
+               }
+#ifdef SUPPORT_PCGL_1P18
+               if (buf[cur_addr_off + 8] == 0x15) {
+                       model_name_addr = ((u32) buf[cur_addr_off + 0] << 24) |
+                           ((u32) buf[cur_addr_off + 1] << 16) |
+                           ((u32) buf[cur_addr_off + 2] << 8) |
+                           buf[cur_addr_off + 3];
+                       model_name_size =
+                           ((u32) buf[cur_addr_off + 4] << 24) |
+                           ((u32) buf[cur_addr_off + 5] << 16) |
+                           ((u32) buf[cur_addr_off + 6] << 8) |
+                           buf[cur_addr_off + 7];
+                       RTS51X_DEBUGP("model_name_addr = 0x%x,"
+                                       "model_name_size = 0x%x\n",
+                                       model_name_addr, model_name_size);
+                       if (model_name_size != 48) {
+                               kfree(buf);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if (model_name_addr < 0x1A0) {
+                               kfree(buf);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if ((model_name_size + model_name_addr) > 0x8000) {
+                               kfree(buf);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       found_model_name = 1;
+               }
+
+               if (found_sys_info && found_model_name)
+                       break;
+#endif
+       }
+
+       if (i == buf[4]) {
+               kfree(buf);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       class_code = buf[sys_info_addr + 0];
+       device_type = buf[sys_info_addr + 56];
+       sub_class = buf[sys_info_addr + 46];
+#ifdef SUPPORT_MSXC
+       if (CHK_MSXC(ms_card)) {
+               xc_total_blk = ((u32) buf[sys_info_addr + 6] << 24) |
+                   ((u32) buf[sys_info_addr + 7] << 16) |
+                   ((u32) buf[sys_info_addr + 8] << 8) |
+                   buf[sys_info_addr + 9];
+               xc_blk_size = ((u32) buf[sys_info_addr + 32] << 24) |
+                   ((u32) buf[sys_info_addr + 33] << 16) |
+                   ((u32) buf[sys_info_addr + 34] << 8) |
+                   buf[sys_info_addr + 35];
+               RTS51X_DEBUGP("xc_total_blk = 0x%x, xc_blk_size = 0x%x\n",
+                              xc_total_blk, xc_blk_size);
+       } else {
+               total_blk =
+                   ((u16) buf[sys_info_addr + 6] << 8) | buf[sys_info_addr +
+                                                             7];
+               blk_size =
+                   ((u16) buf[sys_info_addr + 2] << 8) | buf[sys_info_addr +
+                                                             3];
+               RTS51X_DEBUGP("total_blk = 0x%x, blk_size = 0x%x\n", total_blk,
+                              blk_size);
+       }
+#else
+       total_blk =
+           ((u16) buf[sys_info_addr + 6] << 8) | buf[sys_info_addr + 7];
+       blk_size = ((u16) buf[sys_info_addr + 2] << 8) | buf[sys_info_addr + 3];
+       RTS51X_DEBUGP("total_blk = 0x%x, blk_size = 0x%x\n", total_blk,
+                      blk_size);
+#endif
+
+       RTS51X_DEBUGP("class_code = 0x%x, device_type = 0x%x,"
+                       "sub_class = 0x%x\n",
+                               class_code, device_type, sub_class);
+
+       memcpy(ms_card->raw_sys_info, buf + sys_info_addr, 96);
+#ifdef SUPPORT_PCGL_1P18
+       memcpy(ms_card->raw_model_name, buf + model_name_addr, 48);
+#endif
+
+       kfree(buf);
+
+       /* Confirm System Information */
+#ifdef SUPPORT_MSXC
+       if (CHK_MSXC(ms_card)) {
+               if (class_code != 0x03)
+                       TRACE_RET(chip, STATUS_FAIL);
+       } else {
+               if (class_code != 0x02)
+                       TRACE_RET(chip, STATUS_FAIL);
+       }
+#else
+       if (class_code != 0x02)
+               TRACE_RET(chip, STATUS_FAIL);
+#endif
+
+       if (device_type != 0x00) {
+               if ((device_type == 0x01) || (device_type == 0x02)
+                   || (device_type == 0x03))
+                       chip->card_wp |= MS_CARD;
+               else
+                       TRACE_RET(chip, STATUS_FAIL);
+       }
+       if (sub_class & 0xC0)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       RTS51X_DEBUGP("class_code: 0x%x, device_type: 0x%x, sub_class: 0x%x\n",
+                      class_code, device_type, sub_class);
+
+#ifdef SUPPORT_MSXC
+       if (CHK_MSXC(ms_card)) {
+               chip->capacity[chip->card2lun[MS_CARD]] = ms_card->capacity =
+                   xc_total_blk * xc_blk_size;
+       } else {
+               chip->capacity[chip->card2lun[MS_CARD]] = ms_card->capacity =
+                   total_blk * blk_size;
+       }
+#else
+       chip->capacity[chip->card2lun[MS_CARD]] = ms_card->capacity =
+           total_blk * blk_size;
+#endif
+
+       return STATUS_SUCCESS;
+}
+
+#ifdef SUPPORT_MAGIC_GATE
+int mg_set_tpc_para_sub(struct rts51x_chip *chip, int type, u8 mg_entry_num);
+#endif
+
+static int reset_ms_pro(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+#ifdef XC_POWERCLASS
+       u8 change_power_class = 2;
+#endif
+
+#ifdef XC_POWERCLASS
+Retry:
+#endif
+       retval = ms_pro_reset_flow(chip, 1);
+       if (retval != STATUS_SUCCESS) {
+               if (ms_card->switch_8bit_fail) {
+                       retval = ms_pro_reset_flow(chip, 0);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+               } else {
+                       TRACE_RET(chip, retval);
+               }
+       }
+
+       retval = ms_read_attribute_info(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#ifdef XC_POWERCLASS
+       if (CHK_HG8BIT(ms_card))
+               change_power_class = 0;
+
+       if (change_power_class && CHK_MSXC(ms_card)) {
+               u8 power_class_mode = (ms_card->raw_sys_info[46] & 0x18) >> 3;
+               RTS51X_DEBUGP("power_class_mode = 0x%x", power_class_mode);
+               if (change_power_class > power_class_mode)
+                       change_power_class = power_class_mode;
+               if (change_power_class) {
+                       retval = msxc_change_power(chip, change_power_class);
+                       if (retval != STATUS_SUCCESS) {
+                               change_power_class--;
+                               goto Retry;
+                       }
+               }
+       }
+#endif
+
+#ifdef SUPPORT_MAGIC_GATE
+       retval = mg_set_tpc_para_sub(chip, 0, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#endif
+
+       if (CHK_HG8BIT(ms_card))
+               chip->card_bus_width[chip->card2lun[MS_CARD]] = 8;
+       else
+               chip->card_bus_width[chip->card2lun[MS_CARD]] = 4;
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_read_status_reg(struct rts51x_chip *chip)
+{
+       int retval;
+       u8 val[2];
+
+       retval = ms_set_rw_reg_addr(chip, StatusReg0, 2, 0, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = ms_read_bytes(chip, READ_REG, 2, NO_WAIT_INT, val, 2);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       if (val[1] & (STS_UCDT | STS_UCEX | STS_UCFG)) {
+               ms_set_err_code(chip, MS_FLASH_READ_ERROR);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_check_boot_block(struct rts51x_chip *chip, u16 block_addr)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       u8 extra[MS_EXTRA_SIZE], data[10], val = 0;
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (block_addr >> 8);
+       data[3] = (u8) block_addr;
+       /* Page Number
+        * Extra data access mode */
+       data[4] = 0x40;
+       data[5] = 0;
+
+       retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6,
+                           BLOCK_READ, WAIT_INT, data, 6, &val);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (val & INT_REG_CMDNK) {
+               ms_set_err_code(chip, MS_CMD_NK);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       if (val & INT_REG_CED) {
+               if (val & INT_REG_ERR) {
+                       retval = ms_read_status_reg(chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+                       retval =
+                           ms_set_rw_reg_addr(chip, OverwriteFlag,
+                                              MS_EXTRA_SIZE, SystemParm, 6);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+               }
+       }
+
+       retval =
+           ms_read_bytes(chip, READ_REG, MS_EXTRA_SIZE, NO_WAIT_INT, extra,
+                         MS_EXTRA_SIZE);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (!(extra[0] & BLOCK_OK) || (extra[1] & NOT_BOOT_BLOCK))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_read_extra_data(struct rts51x_chip *chip,
+                             u16 block_addr, u8 page_num, u8 *buf,
+                             int buf_len)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       u8 val = 0, data[10];
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (block_addr >> 8);
+       data[3] = (u8) block_addr;
+       /* Page Number
+        * Extra data access mode */
+       data[4] = 0x40;
+       data[5] = page_num;
+
+#ifdef MS_SPEEDUP
+       retval =
+           ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6,
+                           BLOCK_READ, WAIT_INT, data, 6, &val);
+#else
+       retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6,
+                           BLOCK_READ, WAIT_INT, data, 6, &val);
+#endif
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (val & INT_REG_CMDNK) {
+               ms_set_err_code(chip, MS_CMD_NK);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       if (val & INT_REG_CED) {
+               if (val & INT_REG_ERR) {
+                       retval = ms_read_status_reg(chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+                       retval =
+                           ms_set_rw_reg_addr(chip, OverwriteFlag,
+                                              MS_EXTRA_SIZE, SystemParm, 6);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+               }
+       }
+
+       retval =
+           ms_read_bytes(chip, READ_REG, MS_EXTRA_SIZE, NO_WAIT_INT, data,
+                         MS_EXTRA_SIZE);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (buf && buf_len) {
+               if (buf_len > MS_EXTRA_SIZE)
+                       buf_len = MS_EXTRA_SIZE;
+               memcpy(buf, data, buf_len);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_write_extra_data(struct rts51x_chip *chip,
+                              u16 block_addr, u8 page_num, u8 *buf,
+                              int buf_len)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       u8 val = 0, data[16];
+
+       if (!buf || (buf_len < MS_EXTRA_SIZE))
+               TRACE_RET(chip, STATUS_FAIL);
+       /* Write REG */
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (block_addr >> 8);
+       data[3] = (u8) block_addr;
+       /* Page Number
+        * Extra data access mode */
+       data[4] = 0x40;
+       data[5] = page_num;
+
+       for (i = 6; i < MS_EXTRA_SIZE + 6; i++)
+               data[i] = buf[i - 6];
+
+#ifdef MS_SPEEDUP
+       retval =
+           ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm,
+                           6 + MS_EXTRA_SIZE, BLOCK_WRITE, WAIT_INT, data, 16,
+                           &val);
+#else
+       retval =
+           ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm,
+                      6 + MS_EXTRA_SIZE, BLOCK_WRITE, WAIT_INT, data, 16,
+                      &val);
+#endif
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (val & INT_REG_CMDNK) {
+               ms_set_err_code(chip, MS_CMD_NK);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       if (val & INT_REG_CED) {
+               if (val & INT_REG_ERR) {
+                       ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_read_page(struct rts51x_chip *chip, u16 block_addr, u8 page_num)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       u8 val = 0, data[6];
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (block_addr >> 8);
+       data[3] = (u8) block_addr;
+       /* Page Number
+        * Single page access mode */
+       data[4] = 0x20;
+       data[5] = page_num;
+
+       retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6,
+                           BLOCK_READ, WAIT_INT, data, 6, &val);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (val & INT_REG_CMDNK) {
+               ms_set_err_code(chip, MS_CMD_NK);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (val & INT_REG_CED) {
+               if (val & INT_REG_ERR) {
+                       if (!(val & INT_REG_BREQ)) {
+                               ms_set_err_code(chip, MS_FLASH_READ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       retval = ms_read_status_reg(chip);
+                       if (retval != STATUS_SUCCESS)
+                               ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+               } else {
+                       if (!(val & INT_REG_BREQ)) {
+                               ms_set_err_code(chip, MS_BREQ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+       }
+
+       retval =
+           ms_transfer_tpc(chip, MS_TM_NORMAL_READ, READ_PAGE_DATA, 0,
+                           NO_WAIT_INT);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       if (ms_check_err_code(chip, MS_FLASH_WRITE_ERROR))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_set_bad_block(struct rts51x_chip *chip, u16 phy_blk)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       u8 val = 0, data[8], extra[MS_EXTRA_SIZE];
+
+       retval = ms_read_extra_data(chip, phy_blk, 0, extra, MS_EXTRA_SIZE);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       ms_set_err_code(chip, MS_NO_ERROR);
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (phy_blk >> 8);
+       data[3] = (u8) phy_blk;
+       data[4] = 0x80;
+       data[5] = 0;
+       data[6] = extra[0] & 0x7F;
+       data[7] = 0xFF;
+
+#ifdef MS_SPEEDUP
+       retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 7,
+                           BLOCK_WRITE, WAIT_INT, data, 7, &val);
+#else
+       retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 7,
+                           BLOCK_WRITE, WAIT_INT, data, 7, &val);
+#endif
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (val & INT_REG_CMDNK) {
+               ms_set_err_code(chip, MS_CMD_NK);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (val & INT_REG_CED) {
+               if (val & INT_REG_ERR) {
+                       ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_erase_block(struct rts51x_chip *chip, u16 phy_blk)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i = 0;
+       u8 val = 0, data[6];
+
+       retval =
+           ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm,
+                              6);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       ms_set_err_code(chip, MS_NO_ERROR);
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (phy_blk >> 8);
+       data[3] = (u8) phy_blk;
+       data[4] = 0;
+       data[5] = 0;
+
+ERASE_RTY:
+#ifdef MS_SPEEDUP
+       retval =
+           ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6,
+                           BLOCK_ERASE, WAIT_INT, data, 6, &val);
+#else
+       retval = ms_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6,
+                           BLOCK_ERASE, WAIT_INT, data, 6, &val);
+#endif
+
+       if (val & INT_REG_CMDNK) {
+               if (i < 3) {
+                       i++;
+                       goto ERASE_RTY;
+               }
+               ms_set_err_code(chip, MS_CMD_NK);
+               ms_set_bad_block(chip, phy_blk);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (val & INT_REG_CED) {
+               if (val & INT_REG_ERR) {
+                       ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static void ms_set_page_status(u16 log_blk, u8 type, u8 *extra, int extra_len)
+{
+       if (!extra || (extra_len < MS_EXTRA_SIZE))
+               return;
+
+       memset(extra, 0xFF, MS_EXTRA_SIZE);
+
+       if (type == setPS_NG)
+               extra[0] = 0xB8;
+       else
+               extra[0] = 0x98;
+
+       extra[2] = (u8) (log_blk >> 8);
+       extra[3] = (u8) log_blk;
+}
+
+static int ms_init_page(struct rts51x_chip *chip, u16 phy_blk, u16 log_blk,
+                       u8 start_page, u8 end_page)
+{
+       int retval;
+       u8 extra[MS_EXTRA_SIZE], i;
+
+       memset(extra, 0xff, MS_EXTRA_SIZE);
+
+       extra[0] = 0xf8; /* Block, page OK, data erased */
+       extra[1] = 0xff;
+       extra[2] = (u8) (log_blk >> 8);
+       extra[3] = (u8) log_blk;
+
+       for (i = start_page; i < end_page; i++) {
+               if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               retval =
+                   ms_write_extra_data(chip, phy_blk, i, extra, MS_EXTRA_SIZE);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_copy_page(struct rts51x_chip *chip, u16 old_blk, u16 new_blk,
+                       u16 log_blk, u8 start_page, u8 end_page)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, rty_cnt, uncorrect_flag = 0;
+       u8 extra[MS_EXTRA_SIZE], val, i, j, data[16];
+
+       RTS51X_DEBUGP("Copy page from 0x%x to 0x%x, logical block is 0x%x\n",
+                      old_blk, new_blk, log_blk);
+       RTS51X_DEBUGP("start_page = %d, end_page = %d\n", start_page,
+                      end_page);
+
+       retval = ms_read_extra_data(chip, new_blk, 0, extra, MS_EXTRA_SIZE);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = ms_read_status_reg(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_READ_REG(chip, PPBUF_BASE2, &val);
+
+       if (val & BUF_FULL) {
+               /* Clear Buffer */
+               retval = ms_send_cmd(chip, CLEAR_BUF, WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               /* GET_INT Register */
+               retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               if (!(val & INT_REG_CED)) {
+                       ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       for (i = start_page; i < end_page; i++) {
+               if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               ms_read_extra_data(chip, old_blk, i, extra, MS_EXTRA_SIZE);
+
+               retval =
+                   ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE,
+                                      SystemParm, 6);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               /* Write REG */
+               ms_set_err_code(chip, MS_NO_ERROR);
+
+               if (CHK_MS4BIT(ms_card)) {
+                       /* Parallel interface */
+                       data[0] = 0x88;
+               } else {
+                       /* Serial interface */
+                       data[0] = 0x80;
+               }
+               /* Block Address */
+               data[1] = 0;
+               data[2] = (u8) (old_blk >> 8);
+               data[3] = (u8) old_blk;
+               data[4] = 0x20;
+               data[5] = i;
+
+               retval =
+                   ms_write_bytes(chip, WRITE_REG, 6, NO_WAIT_INT, data, 6);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = ms_send_cmd(chip, BLOCK_READ, WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               ms_set_err_code(chip, MS_NO_ERROR);
+               retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               if (val & INT_REG_CMDNK) {
+                       ms_set_err_code(chip, MS_CMD_NK);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               if (val & INT_REG_CED) {
+                       if (val & INT_REG_ERR) {
+                               retval = ms_read_status_reg(chip);
+                               if (retval != STATUS_SUCCESS) {
+                                       uncorrect_flag = 1;
+                                       RTS51X_DEBUGP("Uncorrectable"
+                                                               "error\n");
+                               } else {
+                                       uncorrect_flag = 0;
+                               }
+
+                               retval =
+                                   ms_transfer_tpc(chip, MS_TM_NORMAL_READ,
+                                       READ_PAGE_DATA, 0, NO_WAIT_INT);
+                               if (retval != STATUS_SUCCESS)
+                                       TRACE_RET(chip, retval);
+                               if (uncorrect_flag) {
+                                       ms_set_page_status(log_blk, setPS_NG,
+                                               extra, MS_EXTRA_SIZE);
+                                       if (i == 0)
+                                               extra[0] &= 0xEF;
+                                       ms_write_extra_data(chip, old_blk, i,
+                                                           extra,
+                                                           MS_EXTRA_SIZE);
+                                       RTS51X_DEBUGP("page %d :"
+                                                       "extra[0] = 0x%x\n",
+                                                       i, extra[0]);
+                                       MS_SET_BAD_BLOCK_FLG(ms_card);
+
+                                       ms_set_page_status(log_blk, setPS_Error,
+                                                       extra, MS_EXTRA_SIZE);
+                                       ms_write_extra_data(chip, new_blk, i,
+                                               extra, MS_EXTRA_SIZE);
+                                       continue;
+                               }
+
+                               for (rty_cnt = 0; rty_cnt < MS_MAX_RETRY_COUNT;
+                                    rty_cnt++) {
+                                       retval =
+                                           ms_transfer_tpc(chip,
+                                                           MS_TM_NORMAL_WRITE,
+                                                           WRITE_PAGE_DATA, 0,
+                                                           NO_WAIT_INT);
+                                       if (retval == STATUS_SUCCESS)
+                                               break;
+                               }
+                               if (rty_cnt == MS_MAX_RETRY_COUNT)
+                                       TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       if (!(val & INT_REG_BREQ)) {
+                               ms_set_err_code(chip, MS_BREQ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               retval = ms_set_rw_reg_addr(chip, OverwriteFlag,
+                                           MS_EXTRA_SIZE, SystemParm,
+                                           (6 + MS_EXTRA_SIZE));
+
+               /* Write REG */
+               ms_set_err_code(chip, MS_NO_ERROR);
+
+               if (CHK_MS4BIT(ms_card)) {
+                       /* Parallel interface */
+                       data[0] = 0x88;
+               } else {
+                       /* Serial interface */
+                       data[0] = 0x80;
+               }
+               /* Block Address */
+               data[1] = 0;
+               data[2] = (u8) (new_blk >> 8);
+               data[3] = (u8) new_blk;
+               data[4] = 0x20;
+               data[5] = i;
+
+               /* for MS check procedure */
+               if ((extra[0] & 0x60) != 0x60)
+                       data[6] = extra[0];
+               else
+                       data[6] = 0xF8;
+
+               data[6 + 1] = 0xFF;
+               data[6 + 2] = (u8) (log_blk >> 8);
+               data[6 + 3] = (u8) log_blk;
+
+               for (j = 4; j <= MS_EXTRA_SIZE; j++)
+                       data[6 + j] = 0xFF;
+
+               retval =
+                   ms_write_bytes(chip, WRITE_REG, (6 + MS_EXTRA_SIZE),
+                                  NO_WAIT_INT, data, 16);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = ms_send_cmd(chip, BLOCK_WRITE, WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               /* GET_INT Register */
+               ms_set_err_code(chip, MS_NO_ERROR);
+               retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               if (val & INT_REG_CMDNK) {
+                       ms_set_err_code(chip, MS_CMD_NK);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               if (val & INT_REG_CED) {
+                       if (val & INT_REG_ERR) {
+                               ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               if (i == 0) {
+                       retval =
+                           ms_set_rw_reg_addr(chip, OverwriteFlag,
+                                              MS_EXTRA_SIZE, SystemParm, 7);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+
+                       ms_set_err_code(chip, MS_NO_ERROR);
+
+                       if (CHK_MS4BIT(ms_card)) {
+                               /* Parallel interface */
+                               data[0] = 0x88;
+                       } else {
+                               /* Serial interface */
+                               data[0] = 0x80;
+                       }
+                       /* Block Address */
+                       data[1] = 0;
+                       data[2] = (u8) (old_blk >> 8);
+                       data[3] = (u8) old_blk;
+                       data[4] = 0x80;
+                       data[5] = 0;
+                       data[6] = 0xEF;
+                       data[7] = 0xFF;
+
+                       retval =
+                           ms_write_bytes(chip, WRITE_REG, 7, NO_WAIT_INT,
+                                          data, 8);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+
+                       retval = ms_send_cmd(chip, BLOCK_WRITE, WAIT_INT);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+
+                       ms_set_err_code(chip, MS_NO_ERROR);
+                       retval =
+                           ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val,
+                                         1);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+
+                       if (val & INT_REG_CMDNK) {
+                               ms_set_err_code(chip, MS_CMD_NK);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       if (val & INT_REG_CED) {
+                               if (val & INT_REG_ERR) {
+                                       ms_set_err_code(chip,
+                                                       MS_FLASH_WRITE_ERROR);
+                                       TRACE_RET(chip, STATUS_FAIL);
+                               }
+                       }
+               }
+       }
+
+       return STATUS_SUCCESS;
+}
+
+#ifdef MS_SPEEDUP
+static int ms_auto_copy_page(struct rts51x_chip *chip, u16 old_blk, u16 new_blk,
+                            u16 log_blk, u8 start_page, u8 end_page)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       u8 page_len, bus_width, val = 0;
+       u8 extra[MS_EXTRA_SIZE];
+
+       RTS51X_DEBUGP("Auto copy page from 0x%x to 0x%x,"
+                               "logical block is 0x%x\n",
+                               old_blk, new_blk, log_blk);
+       RTS51X_DEBUGP("start_page = %d, end_page = %d\n", start_page,
+                      end_page);
+
+       page_len = end_page - start_page;
+
+       retval = ms_read_extra_data(chip, new_blk, 0, extra, MS_EXTRA_SIZE);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = ms_read_status_reg(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_READ_REG(chip, PPBUF_BASE2, &val);
+
+       if (val & BUF_FULL) {
+               retval = ms_send_cmd(chip, CLEAR_BUF, WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               if (!(val & INT_REG_CED)) {
+                       ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               bus_width = 0x88;
+       } else {
+               /* Serial interface */
+               bus_width = 0x80;
+       }
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_OLD_BLOCK_0, 0xFF, (u8) old_blk);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_OLD_BLOCK_1, 0xFF,
+                      (u8) (old_blk >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_NEW_BLOCK_0, 0xFF, (u8) new_blk);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_NEW_BLOCK_1, 0xFF,
+                      (u8) (new_blk >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_LOG_BLOCK_0, 0xFF, (u8) log_blk);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_LOG_BLOCK_1, 0xFF,
+                      (u8) (log_blk >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_PAGE_START, 0xFF, start_page);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_PAGE_LENGTH, 0xFF, page_len);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BUS_WIDTH, 0xFF, bus_width);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                      MS_TRANSFER_START | MS_TM_COPY_PAGE);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END,
+                      MS_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_ms_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       retval = rts51x_get_rsp(chip, 1, 5000);
+
+       if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+               rts51x_clear_ms_error(chip);
+               if (retval == STATUS_TIMEDOUT)
+                       TRACE_RET(chip, retval);
+               TRACE_GOTO(chip, Fail);
+       }
+
+       return STATUS_SUCCESS;
+
+Fail:
+       retval = ms_erase_block(chip, new_blk);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval =
+           ms_copy_page(chip, old_blk, new_blk, log_blk, start_page, end_page);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+#endif
+
+static int reset_ms(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       u16 i, reg_addr, block_size;
+       u8 val, j, *ptr;
+#ifndef SUPPORT_MAGIC_GATE
+       u16 eblock_cnt;
+#endif
+
+       retval = ms_prepare_reset(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       ms_card->ms_type |= TYPE_MS;
+
+       retval = ms_send_cmd(chip, MS_RESET, NO_WAIT_INT);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = ms_read_status_reg(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_READ_REG(chip, PPBUF_BASE2, &val);
+       if (val & WRT_PRTCT)
+               chip->card_wp |= MS_CARD;
+       else
+               chip->card_wp &= ~MS_CARD;
+
+       i = 0;
+
+RE_SEARCH:
+       /* Search For Boot Block */
+       while (i < (MAX_DEFECTIVE_BLOCK + 2)) {
+               if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               retval = ms_check_boot_block(chip, i);
+               if (retval != STATUS_SUCCESS) {
+                       i++;
+                       continue;
+               }
+
+               ms_card->boot_block = i;
+               break;
+       }
+
+       if (i == (MAX_DEFECTIVE_BLOCK + 2)) {
+               RTS51X_DEBUGP("No boot block found!");
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       for (j = 0; j < 3; j++) {
+               retval = ms_read_page(chip, ms_card->boot_block, j);
+               if (retval != STATUS_SUCCESS) {
+                       if (ms_check_err_code(chip, MS_FLASH_WRITE_ERROR)) {
+                               i = ms_card->boot_block + 1;
+                               ms_set_err_code(chip, MS_NO_ERROR);
+                               goto RE_SEARCH;
+                       }
+               }
+       }
+
+       /* Read boot block contents */
+       retval = ms_read_page(chip, ms_card->boot_block, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       /* Read MS system information as sys_info */
+       retval =
+           rts51x_seq_read_register(chip, PPBUF_BASE2 + 0x1A0, 96,
+                                    ms_card->raw_sys_info);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       /* Read useful block contents */
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, READ_REG_CMD, HEADER_ID0, 0, 0);
+       rts51x_add_cmd(chip, READ_REG_CMD, HEADER_ID1, 0, 0);
+
+       for (reg_addr = DISABLED_BLOCK0; reg_addr <= DISABLED_BLOCK3;
+            reg_addr++) {
+               rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
+       }
+
+       for (reg_addr = BLOCK_SIZE_0; reg_addr <= PAGE_SIZE_1; reg_addr++)
+               rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
+
+       rts51x_add_cmd(chip, READ_REG_CMD, MS_Device_Type, 0, 0);
+       rts51x_add_cmd(chip, READ_REG_CMD, MS_4bit_Support, 0, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 16, 100);
+
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       ptr = rts51x_get_rsp_data(chip);
+
+       RTS51X_DEBUGP("Boot block data:\n");
+       RTS51X_DUMP(ptr, 16);
+
+       if (ptr[0] != 0x00 || ptr[1] != 0x01) {
+               i = ms_card->boot_block + 1;
+               goto RE_SEARCH;
+       }
+       if (ptr[12] != 0x02 || ptr[13] != 0x00) {
+               i = ms_card->boot_block + 1;
+               goto RE_SEARCH;
+       }
+       if ((ptr[14] == 1) || (ptr[14] == 3))
+               chip->card_wp |= MS_CARD;
+       block_size = ((u16) ptr[6] << 8) | ptr[7];
+       if (block_size == 0x0010) {
+               ms_card->block_shift = 5;
+               ms_card->page_off = 0x1F;
+       } else if (block_size == 0x0008) {
+               ms_card->block_shift = 4;
+               ms_card->page_off = 0x0F;
+       }
+       ms_card->total_block = ((u16) ptr[8] << 8) | ptr[9];
+
+#ifdef SUPPORT_MAGIC_GATE
+       j = ptr[10];
+
+       if (ms_card->block_shift == 4) {
+               if (j < 2)
+                       ms_card->capacity = 0x1EE0;
+               else
+                       ms_card->capacity = 0x3DE0;
+       } else {
+               if (j < 5)
+                       ms_card->capacity = 0x7BC0;
+               else if (j < 0xA)
+                       ms_card->capacity = 0xF7C0;
+               else if (j < 0x11)
+                       ms_card->capacity = 0x1EF80;
+               else
+                       ms_card->capacity = 0x3DF00;
+       }
+#else
+       eblock_cnt = ((u16) ptr[10] << 8) | ptr[11];
+
+       ms_card->capacity = ((u32) eblock_cnt - 2) << ms_card->block_shift;
+#endif
+
+       chip->capacity[chip->card2lun[MS_CARD]] = ms_card->capacity;
+
+       if (ptr[15]) {
+               retval = ms_set_rw_reg_addr(chip, 0, 0, SystemParm, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, STATUS_FAIL);
+               RTS51X_WRITE_REG(chip, PPBUF_BASE2, 0xFF, 0x88);
+               RTS51X_WRITE_REG(chip, PPBUF_BASE2 + 1, 0xFF, 0);
+
+               retval =
+                   ms_transfer_tpc(chip, MS_TM_WRITE_BYTES, WRITE_REG, 1,
+                                   NO_WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, STATUS_FAIL);
+               RTS51X_WRITE_REG(chip, MS_CFG, 0x58 | MS_NO_CHECK_INT,
+                                MS_BUS_WIDTH_4 | PUSH_TIME_ODD |
+                                MS_NO_CHECK_INT);
+
+               ms_card->ms_type |= MS_4BIT;
+       }
+
+       if (CHK_MS4BIT(ms_card))
+               chip->card_bus_width[chip->card2lun[MS_CARD]] = 4;
+       else
+               chip->card_bus_width[chip->card2lun[MS_CARD]] = 1;
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_init_l2p_tbl(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int size, i, seg_no, retval;
+       u16 defect_block, reg_addr;
+       u8 val1, val2;
+
+       ms_card->segment_cnt = ms_card->total_block >> 9;
+       RTS51X_DEBUGP("ms_card->segment_cnt = %d\n", ms_card->segment_cnt);
+
+       size = ms_card->segment_cnt * sizeof(struct zone_entry);
+       ms_card->segment = vmalloc(size);
+       if (ms_card->segment == NULL)
+               TRACE_RET(chip, STATUS_FAIL);
+       memset(ms_card->segment, 0, size);
+
+       retval = ms_read_page(chip, ms_card->boot_block, 1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_GOTO(chip, INIT_FAIL);
+
+       reg_addr = PPBUF_BASE2;
+       for (i = 0; i < (((ms_card->total_block >> 9) * 10) + 1); i++) {
+               retval = rts51x_read_register(chip, reg_addr++, &val1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, INIT_FAIL);
+               retval = rts51x_read_register(chip, reg_addr++, &val2);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, INIT_FAIL);
+
+               defect_block = ((u16) val1 << 8) | val2;
+               if (defect_block == 0xFFFF)
+                       break;
+               seg_no = defect_block / 512;
+               ms_card->segment[seg_no].defect_list[ms_card->segment[seg_no].
+                                                    disable_count++] =
+                   defect_block;
+       }
+
+       for (i = 0; i < ms_card->segment_cnt; i++) {
+               ms_card->segment[i].build_flag = 0;
+               ms_card->segment[i].l2p_table = NULL;
+               ms_card->segment[i].free_table = NULL;
+               ms_card->segment[i].get_index = 0;
+               ms_card->segment[i].set_index = 0;
+               ms_card->segment[i].unused_blk_cnt = 0;
+
+               RTS51X_DEBUGP("defective block count of segment %d is %d\n",
+                              i, ms_card->segment[i].disable_count);
+       }
+
+       return STATUS_SUCCESS;
+
+INIT_FAIL:
+       if (ms_card->segment) {
+               vfree(ms_card->segment);
+               ms_card->segment = NULL;
+       }
+
+       return STATUS_FAIL;
+}
+
+static u16 ms_get_l2p_tbl(struct rts51x_chip *chip, int seg_no, u16 log_off)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       struct zone_entry *segment;
+
+       if (ms_card->segment == NULL)
+               return 0xFFFF;
+
+       segment = &(ms_card->segment[seg_no]);
+
+       if (segment->l2p_table)
+               return segment->l2p_table[log_off];
+
+       return 0xFFFF;
+}
+
+static void ms_set_l2p_tbl(struct rts51x_chip *chip, int seg_no, u16 log_off,
+                          u16 phy_blk)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       struct zone_entry *segment;
+
+       if (ms_card->segment == NULL)
+               return;
+
+       segment = &(ms_card->segment[seg_no]);
+       if (segment->l2p_table)
+               segment->l2p_table[log_off] = phy_blk;
+}
+
+static void ms_set_unused_block(struct rts51x_chip *chip, u16 phy_blk)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       struct zone_entry *segment;
+       int seg_no;
+
+       seg_no = (int)phy_blk >> 9;
+       segment = &(ms_card->segment[seg_no]);
+
+       segment->free_table[segment->set_index++] = phy_blk;
+       if (segment->set_index >= MS_FREE_TABLE_CNT)
+               segment->set_index = 0;
+       segment->unused_blk_cnt++;
+}
+
+static u16 ms_get_unused_block(struct rts51x_chip *chip, int seg_no)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       struct zone_entry *segment;
+       u16 phy_blk;
+
+       segment = &(ms_card->segment[seg_no]);
+
+       if (segment->unused_blk_cnt <= 0)
+               return 0xFFFF;
+
+       phy_blk = segment->free_table[segment->get_index];
+       segment->free_table[segment->get_index++] = 0xFFFF;
+       if (segment->get_index >= MS_FREE_TABLE_CNT)
+               segment->get_index = 0;
+       segment->unused_blk_cnt--;
+
+       return phy_blk;
+}
+
+static const unsigned short ms_start_idx[] = {
+       0, 494, 990, 1486, 1982, 2478, 2974, 3470,
+       3966, 4462, 4958, 5454, 5950, 6446, 6942, 7438, 7934
+};
+
+static int ms_arbitrate_l2p(struct rts51x_chip *chip, u16 phy_blk, u16 log_off,
+                           u8 us1, u8 us2)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       struct zone_entry *segment;
+       int seg_no;
+       u16 tmp_blk;
+
+       seg_no = (int)phy_blk >> 9;
+       segment = &(ms_card->segment[seg_no]);
+       tmp_blk = segment->l2p_table[log_off];
+
+       if (us1 != us2) {
+               if (us1 == 0) {
+                       if (!(chip->card_wp & MS_CARD))
+                               ms_erase_block(chip, tmp_blk);
+                       ms_set_unused_block(chip, tmp_blk);
+                       segment->l2p_table[log_off] = phy_blk;
+               } else {
+                       if (!(chip->card_wp & MS_CARD))
+                               ms_erase_block(chip, phy_blk);
+                       ms_set_unused_block(chip, phy_blk);
+               }
+       } else {
+               if (phy_blk < tmp_blk) {
+                       if (!(chip->card_wp & MS_CARD))
+                               ms_erase_block(chip, phy_blk);
+                       ms_set_unused_block(chip, phy_blk);
+               } else {
+                       if (!(chip->card_wp & MS_CARD))
+                               ms_erase_block(chip, tmp_blk);
+                       ms_set_unused_block(chip, tmp_blk);
+                       segment->l2p_table[log_off] = phy_blk;
+               }
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_build_l2p_tbl(struct rts51x_chip *chip, int seg_no)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       struct zone_entry *segment;
+       int retval, table_size, disable_cnt, defect_flag, i;
+       u16 start, end, phy_blk, log_blk, tmp_blk;
+       u8 extra[MS_EXTRA_SIZE], us1, us2;
+
+       RTS51X_DEBUGP("ms_build_l2p_tbl: %d\n", seg_no);
+
+       if (ms_card->segment == NULL) {
+               retval = ms_init_l2p_tbl(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       if (ms_card->segment[seg_no].build_flag) {
+               RTS51X_DEBUGP("l2p table of segment %d has been built\n",
+                              seg_no);
+               return STATUS_SUCCESS;
+       }
+
+       if (seg_no == 0)
+               table_size = 494;
+       else
+               table_size = 496;
+
+       segment = &(ms_card->segment[seg_no]);
+
+       if (segment->l2p_table == NULL) {
+               segment->l2p_table = vmalloc(table_size * 2);
+               if (segment->l2p_table == NULL)
+                       TRACE_GOTO(chip, BUILD_FAIL);
+       }
+       memset((u8 *) (segment->l2p_table), 0xff, table_size * 2);
+
+       if (segment->free_table == NULL) {
+               segment->free_table = vmalloc(MS_FREE_TABLE_CNT * 2);
+               if (segment->free_table == NULL)
+                       TRACE_GOTO(chip, BUILD_FAIL);
+       }
+       memset((u8 *) (segment->free_table), 0xff, MS_FREE_TABLE_CNT * 2);
+
+       start = (u16) seg_no << 9;
+       end = (u16) (seg_no + 1) << 9;
+
+       disable_cnt = segment->disable_count;
+
+       segment->get_index = segment->set_index = 0;
+       segment->unused_blk_cnt = 0;
+
+       for (phy_blk = start; phy_blk < end; phy_blk++) {
+               if (disable_cnt) {
+                       defect_flag = 0;
+                       for (i = 0; i < segment->disable_count; i++) {
+                               if (phy_blk == segment->defect_list[i]) {
+                                       defect_flag = 1;
+                                       break;
+                               }
+                       }
+                       if (defect_flag) {
+                               disable_cnt--;
+                               continue;
+                       }
+               }
+
+               retval =
+                   ms_read_extra_data(chip, phy_blk, 0, extra, MS_EXTRA_SIZE);
+               if (retval != STATUS_SUCCESS) {
+                       RTS51X_DEBUGP("read extra data fail\n");
+                       ms_set_bad_block(chip, phy_blk);
+                       continue;
+               }
+
+               if (seg_no == ms_card->segment_cnt - 1) {
+                       if (!(extra[1] & NOT_TRANSLATION_TABLE)) {
+                               if (!(chip->card_wp & MS_CARD)) {
+                                       retval = ms_erase_block(chip, phy_blk);
+                                       if (retval != STATUS_SUCCESS)
+                                               continue;
+                                       extra[2] = 0xff;
+                                       extra[3] = 0xff;
+                               }
+                       }
+               }
+
+               if (!(extra[0] & BLOCK_OK))
+                       continue;
+               if (!(extra[1] & NOT_BOOT_BLOCK))
+                       continue;
+               if ((extra[0] & PAGE_OK) != PAGE_OK)
+                       continue;
+
+               log_blk = ((u16) extra[2] << 8) | extra[3];
+
+               if (log_blk == 0xFFFF) {
+                       if (!(chip->card_wp & MS_CARD)) {
+                               retval = ms_erase_block(chip, phy_blk);
+                               if (retval != STATUS_SUCCESS)
+                                       continue;
+                       }
+                       ms_set_unused_block(chip, phy_blk);
+                       continue;
+               }
+
+               if ((log_blk < ms_start_idx[seg_no]) ||
+                   (log_blk >= ms_start_idx[seg_no + 1])) {
+                       if (!(chip->card_wp & MS_CARD)) {
+                               retval = ms_erase_block(chip, phy_blk);
+                               if (retval != STATUS_SUCCESS)
+                                       continue;
+                       }
+                       ms_set_unused_block(chip, phy_blk);
+                       continue;
+               }
+
+               if (segment->l2p_table[log_blk - ms_start_idx[seg_no]] ==
+                   0xFFFF) {
+                       segment->l2p_table[log_blk - ms_start_idx[seg_no]] =
+                           phy_blk;
+                       continue;
+               }
+
+               us1 = extra[0] & 0x10;
+               tmp_blk = segment->l2p_table[log_blk - ms_start_idx[seg_no]];
+               retval =
+                   ms_read_extra_data(chip, tmp_blk, 0, extra, MS_EXTRA_SIZE);
+               if (retval != STATUS_SUCCESS)
+                       continue;
+               us2 = extra[0] & 0x10;
+
+               (void)ms_arbitrate_l2p(chip, phy_blk,
+                                      log_blk - ms_start_idx[seg_no], us1,
+                                      us2);
+               continue;
+       }
+
+       segment->build_flag = 1;
+
+       RTS51X_DEBUGP("unused block count: %d\n", segment->unused_blk_cnt);
+
+       if (seg_no == ms_card->segment_cnt - 1) {
+               if (segment->unused_blk_cnt < 2)
+                       chip->card_wp |= MS_CARD;
+       } else {
+               if (segment->unused_blk_cnt < 1)
+                       chip->card_wp |= MS_CARD;
+       }
+
+       if (chip->card_wp & MS_CARD)
+               return STATUS_SUCCESS;
+
+       for (log_blk = ms_start_idx[seg_no]; log_blk < ms_start_idx[seg_no + 1];
+            log_blk++) {
+               if (segment->l2p_table[log_blk - ms_start_idx[seg_no]] ==
+                   0xFFFF) {
+                       phy_blk = ms_get_unused_block(chip, seg_no);
+                       if (phy_blk == 0xFFFF) {
+                               chip->card_wp |= MS_CARD;
+                               return STATUS_SUCCESS;
+                       }
+                       retval = ms_init_page(chip, phy_blk, log_blk, 0, 1);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_GOTO(chip, BUILD_FAIL);
+                       segment->l2p_table[log_blk - ms_start_idx[seg_no]] =
+                           phy_blk;
+                       if (seg_no == ms_card->segment_cnt - 1) {
+                               if (segment->unused_blk_cnt < 2) {
+                                       chip->card_wp |= MS_CARD;
+                                       return STATUS_SUCCESS;
+                               }
+                       } else {
+                               if (segment->unused_blk_cnt < 1) {
+                                       chip->card_wp |= MS_CARD;
+                                       return STATUS_SUCCESS;
+                               }
+                       }
+               }
+       }
+
+       if (seg_no == 0) {
+               for (log_blk = 0; log_blk < 494; log_blk++) {
+                       tmp_blk = segment->l2p_table[log_blk];
+                       if (tmp_blk < ms_card->boot_block) {
+                               RTS51X_DEBUGP("Boot block is not the first"
+                                                       "normal block.\n");
+
+                               if (chip->card_wp & MS_CARD)
+                                       break;
+
+                               phy_blk = ms_get_unused_block(chip, 0);
+#ifdef MS_SPEEDUP
+                               retval =
+                                   ms_auto_copy_page(chip, tmp_blk, phy_blk,
+                                                     log_blk, 0,
+                                                     ms_card->page_off + 1);
+#else
+                               retval = ms_copy_page(chip, tmp_blk, phy_blk,
+                                                     log_blk, 0,
+                                                     ms_card->page_off + 1);
+#endif
+                               if (retval != STATUS_SUCCESS)
+                                       TRACE_RET(chip, retval);
+
+                               segment->l2p_table[log_blk] = phy_blk;
+
+                               retval = ms_set_bad_block(chip, tmp_blk);
+                               if (retval != STATUS_SUCCESS)
+                                       TRACE_RET(chip, retval);
+                       }
+               }
+       }
+
+       return STATUS_SUCCESS;
+
+BUILD_FAIL:
+       segment->build_flag = 0;
+       if (segment->l2p_table) {
+               vfree(segment->l2p_table);
+               segment->l2p_table = NULL;
+       }
+       if (segment->free_table) {
+               vfree(segment->free_table);
+               segment->free_table = NULL;
+       }
+
+       return STATUS_FAIL;
+}
+
+int reset_ms_card(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       memset(ms_card, 0, sizeof(struct ms_info));
+
+       enable_card_clock(chip, MS_CARD);
+
+       retval = rts51x_select_card(chip, MS_CARD);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       ms_card->ms_type = 0;
+       ms_card->last_rw_int = 0;
+
+       retval = reset_ms_pro(chip);
+       if (retval != STATUS_SUCCESS) {
+               if (ms_card->check_ms_flow) {
+                       retval = reset_ms(chip);
+                       if (retval != STATUS_SUCCESS) {
+                               if (chip->option.reset_or_rw_fail_set_pad_drive) {
+                                       rts51x_write_register(chip,
+                                               CARD_DRIVE_SEL, SD20_DRIVE_MASK,
+                                               DRIVE_8mA);
+                               }
+                               TRACE_RET(chip, retval);
+                       }
+               } else {
+                       if (chip->option.reset_or_rw_fail_set_pad_drive) {
+                               rts51x_write_register(chip, CARD_DRIVE_SEL,
+                                                     SD20_DRIVE_MASK,
+                                                     DRIVE_8mA);
+                       }
+                       TRACE_RET(chip, retval);
+               }
+       }
+
+       retval = ms_set_init_para(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (!CHK_MSPRO(ms_card)) {
+               retval = ms_build_l2p_tbl(chip, ms_card->total_block / 512 - 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       RTS51X_DEBUGP("ms_card->ms_type = 0x%x\n", ms_card->ms_type);
+
+       return STATUS_SUCCESS;
+}
+
+static int mspro_set_rw_cmd(struct rts51x_chip *chip, u32 start_sec,
+                           u16 sec_cnt, u8 cmd)
+{
+       int retval, i;
+       u8 data[8];
+
+       data[0] = cmd;
+       data[1] = (u8) (sec_cnt >> 8);
+       data[2] = (u8) sec_cnt;
+       data[3] = (u8) (start_sec >> 24);
+       data[4] = (u8) (start_sec >> 16);
+       data[5] = (u8) (start_sec >> 8);
+       data[6] = (u8) start_sec;
+       data[7] = 0;
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, PRO_EX_SET_CMD, 7, WAIT_INT, data, 8);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+void mspro_stop_seq_mode(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       if (ms_card->seq_mode) {
+               retval = ms_switch_clock(chip);
+               if (retval != STATUS_SUCCESS)
+                       return;
+
+               ms_card->seq_mode = 0;
+               ms_card->total_sec_cnt = 0;
+               ms_card->last_rw_int = 0;
+               ms_send_cmd(chip, PRO_STOP, WAIT_INT);
+
+               rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH,
+                                         FIFO_FLUSH);
+       }
+}
+
+static inline int ms_auto_tune_clock(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       if (chip->asic_code) {
+               if (ms_card->ms_clock > 30)
+                       ms_card->ms_clock -= 20;
+       } else {
+               if (ms_card->ms_clock == CLK_80)
+                       ms_card->ms_clock = CLK_60;
+               else if (ms_card->ms_clock == CLK_60)
+                       ms_card->ms_clock = CLK_40;
+       }
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static int mspro_rw_multi_sector(struct scsi_cmnd *srb,
+                                struct rts51x_chip *chip, u32 start_sector,
+                                u16 sector_cnt)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, mode_2k = 0;
+       u16 count;
+       u8 val, trans_mode, rw_tpc, rw_cmd;
+
+       ms_set_err_code(chip, MS_NO_ERROR);
+
+       ms_card->counter = 0;
+
+       if (CHK_MSHG(ms_card)) {
+               if ((start_sector % 4) || (sector_cnt % 4)) {
+                       if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+                               rw_tpc = PRO_READ_LONG_DATA;
+                               rw_cmd = PRO_READ_DATA;
+                       } else {
+                               rw_tpc = PRO_WRITE_LONG_DATA;
+                               rw_cmd = PRO_WRITE_DATA;
+                       }
+               } else {
+                       if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+                               rw_tpc = PRO_READ_QUAD_DATA;
+                               rw_cmd = PRO_READ_2K_DATA;
+                       } else {
+                               rw_tpc = PRO_WRITE_QUAD_DATA;
+                               rw_cmd = PRO_WRITE_2K_DATA;
+                       }
+                       mode_2k = 1;
+               }
+       } else {
+               if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+                       rw_tpc = PRO_READ_LONG_DATA;
+                       rw_cmd = PRO_READ_DATA;
+               } else {
+                       rw_tpc = PRO_WRITE_LONG_DATA;
+                       rw_cmd = PRO_WRITE_DATA;
+               }
+       }
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (srb->sc_data_direction == DMA_FROM_DEVICE)
+               trans_mode = MS_TM_AUTO_READ;
+       else
+               trans_mode = MS_TM_AUTO_WRITE;
+
+       val = ms_card->last_rw_int;
+
+       if (ms_card->seq_mode) {
+               if ((ms_card->pre_dir != srb->sc_data_direction)
+                   || ((ms_card->pre_sec_addr + ms_card->pre_sec_cnt) !=
+                       start_sector)
+                   || (mode_2k && (ms_card->seq_mode & MODE_512_SEQ))
+                   || (!mode_2k && (ms_card->seq_mode & MODE_2K_SEQ))
+                   || !(val & MS_INT_BREQ)
+                   || ((ms_card->total_sec_cnt + sector_cnt) > 0xFE00)) {
+                       ms_card->seq_mode = 0;
+                       ms_card->total_sec_cnt = 0;
+                       ms_card->last_rw_int = 0;
+                       if (val & MS_INT_BREQ) {
+                               retval = ms_send_cmd(chip, PRO_STOP, WAIT_INT);
+                               if (retval != STATUS_SUCCESS)
+                                       TRACE_RET(chip, retval);
+
+                               rts51x_ep0_write_register(chip, MC_FIFO_CTL,
+                                       FIFO_FLUSH, FIFO_FLUSH);
+                       }
+               }
+       }
+
+       if (!ms_card->seq_mode) {
+               ms_card->total_sec_cnt = 0;
+               if (sector_cnt >= 0x80) {
+                       if ((ms_card->capacity - start_sector) > 0xFE00)
+                               count = 0xFE00;
+                       else
+                               count =
+                                   (u16) (ms_card->capacity - start_sector);
+                       if (count > sector_cnt) {
+                               if (mode_2k)
+                                       ms_card->seq_mode |= MODE_2K_SEQ;
+                               else
+                                       ms_card->seq_mode |= MODE_512_SEQ;
+                       }
+               } else {
+                       count = sector_cnt;
+               }
+               retval = mspro_set_rw_cmd(chip, start_sector, count, rw_cmd);
+               if (retval != STATUS_SUCCESS) {
+                       ms_card->seq_mode = 0;
+                       TRACE_RET(chip, retval);
+               }
+       }
+
+       retval =
+           ms_transfer_data(chip, trans_mode, rw_tpc, sector_cnt, WAIT_INT,
+                            mode_2k, scsi_sg_count(srb), scsi_sglist(srb),
+                            scsi_bufflen(srb));
+       if (retval != STATUS_SUCCESS) {
+               ms_card->seq_mode = 0;
+               rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val);
+               rts51x_clear_ms_error(chip);
+               if (val & MS_INT_BREQ)
+                       ms_send_cmd(chip, PRO_STOP, WAIT_INT);
+               if (val & (MS_CRC16_ERR | MS_RDY_TIMEOUT)) {
+                       RTS51X_DEBUGP("MSPro CRC error, tune clock!\n");
+                       ms_auto_tune_clock(chip);
+               }
+
+               TRACE_RET(chip, retval);
+       }
+
+       ms_card->pre_sec_addr = start_sector;
+       ms_card->pre_sec_cnt = sector_cnt;
+       ms_card->pre_dir = srb->sc_data_direction;
+       ms_card->total_sec_cnt += sector_cnt;
+
+       return STATUS_SUCCESS;
+}
+
+static int mspro_read_format_progress(struct rts51x_chip *chip,
+                                     const int short_data_len)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       u32 total_progress, cur_progress;
+       u8 cnt, tmp;
+       u8 data[8];
+
+       ms_card->format_status = FORMAT_FAIL;
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp);
+
+       if ((tmp & (MS_INT_CED | MS_INT_CMDNK | MS_INT_ERR)) == MS_INT_CED) {
+               ms_card->format_status = FORMAT_SUCCESS;
+               ms_card->pro_under_formatting = 0;
+               return STATUS_SUCCESS;
+       }
+       if (!
+           ((tmp & (MS_INT_BREQ | MS_INT_CED | MS_INT_CMDNK | MS_INT_ERR)) ==
+            MS_INT_BREQ)) {
+               ms_card->pro_under_formatting = 0;
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (short_data_len >= 256)
+               cnt = 0;
+       else
+               cnt = (u8) short_data_len;
+
+       retval =
+           ms_read_bytes(chip, PRO_READ_SHORT_DATA, cnt, WAIT_INT, data, 8);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       total_progress =
+           (data[0] << 24) | (data[1] << 16) | (data[2] << 8) | data[3];
+       cur_progress =
+           (data[4] << 24) | (data[5] << 16) | (data[6] << 8) | data[7];
+
+       RTS51X_DEBUGP("total_progress = %d, cur_progress = %d\n",
+                      total_progress, cur_progress);
+
+       if (total_progress == 0) {
+               ms_card->progress = 0;
+       } else {
+               u64 ulltmp = (u64) cur_progress * (u64) 65535;
+               do_div(ulltmp, total_progress);
+               ms_card->progress = (u16) ulltmp;
+       }
+       RTS51X_DEBUGP("progress = %d\n", ms_card->progress);
+
+       for (i = 0; i < 2500; i++) {
+               RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp);
+               if (tmp &
+                   (MS_INT_CED | MS_INT_CMDNK | MS_INT_BREQ | MS_INT_ERR))
+                       break;
+
+               wait_timeout(1);
+       }
+
+       if (i == 2500)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       RTS51X_DEBUGP("MSPro format tmp:%d\n", tmp);
+
+       if (tmp & (MS_INT_CMDNK | MS_INT_ERR))
+               TRACE_RET(chip, STATUS_FAIL);
+       if (tmp & MS_INT_CED) {
+               ms_card->format_status = FORMAT_SUCCESS;
+               ms_card->pro_under_formatting = 0;
+       } else if (tmp & MS_INT_BREQ) {
+               ms_card->format_status = FORMAT_IN_PROGRESS;
+       } else {
+               ms_card->format_status = FORMAT_FAIL;
+               ms_card->pro_under_formatting = 0;
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       RTS51X_DEBUGP("MSPro format format_status:%d\n",
+                      ms_card->format_status);
+
+       return STATUS_SUCCESS;
+}
+
+void mspro_polling_format_status(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int i;
+
+       if (ms_card->pro_under_formatting) {
+               for (i = 0; i < 65535; i++) {
+                       mspro_read_format_progress(chip, MS_SHORT_DATA_LEN);
+                       if (ms_card->format_status != FORMAT_IN_PROGRESS)
+                               break;
+               }
+       }
+
+       return;
+}
+
+void mspro_format_sense(struct rts51x_chip *chip, unsigned int lun)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+
+       if (CHK_FORMAT_STATUS(ms_card, FORMAT_SUCCESS)) {
+               set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
+               ms_card->pro_under_formatting = 0;
+               ms_card->progress = 0;
+       } else if (CHK_FORMAT_STATUS(ms_card, FORMAT_IN_PROGRESS)) {
+               set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04,
+                              0, (u16) (ms_card->progress));
+       } else {
+               set_sense_type(chip, lun, SENSE_TYPE_FORMAT_CMD_FAILED);
+               ms_card->pro_under_formatting = 0;
+               ms_card->progress = 0;
+       }
+}
+
+int mspro_format(struct scsi_cmnd *srb, struct rts51x_chip *chip,
+                int short_data_len, int quick_format)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       u8 buf[8], tmp;
+       u16 para;
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = ms_set_rw_reg_addr(chip, 0x00, 0x00, Pro_TPCParm, 0x01);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       memset(buf, 0, 2);
+       switch (short_data_len) {
+       case 32:
+               buf[0] = 0;
+               break;
+       case 64:
+               buf[0] = 1;
+               break;
+       case 128:
+               buf[0] = 2;
+               break;
+       case 256:
+       default:
+               buf[0] = 3;
+               break;
+       }
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, PRO_WRITE_REG, 1, NO_WAIT_INT, buf, 2);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+       /* Format command */
+       if (quick_format)
+               para = 0x0000;
+       else
+               para = 0x0001;
+       retval = mspro_set_rw_cmd(chip, 0, para, PRO_FORMAT);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       /* Check INT */
+       RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp);
+       if (tmp & (MS_INT_CMDNK | MS_INT_ERR))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if ((tmp & (MS_INT_BREQ | MS_INT_CED)) == MS_INT_BREQ) {
+               ms_card->pro_under_formatting = 1;
+               ms_card->progress = 0;
+               ms_card->format_status = FORMAT_IN_PROGRESS;
+               return STATUS_SUCCESS;
+       }
+
+       if (tmp & MS_INT_CED) {
+               ms_card->pro_under_formatting = 0;
+               ms_card->progress = 0;
+               ms_card->format_status = FORMAT_SUCCESS;
+               set_sense_type(chip, SCSI_LUN(srb), SENSE_TYPE_NO_SENSE);
+               return STATUS_SUCCESS;
+       }
+
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+#ifdef MS_SPEEDUP
+static int ms_read_multiple_pages(struct rts51x_chip *chip, u16 phy_blk,
+                                 u16 log_blk, u8 start_page, u8 end_page,
+                                 u8 *buf, void **ptr, unsigned int *offset)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       int send_blkend;
+       u8 extra[MS_EXTRA_SIZE], val1, val2, data[6];
+       u8 page_cnt = end_page - start_page, page_addr, sec_cnt;
+
+       if (end_page != (ms_card->page_off + 1))
+               send_blkend = 1;
+       else
+               send_blkend = 0;
+
+       retval =
+           ms_read_extra_data(chip, phy_blk, start_page, extra, MS_EXTRA_SIZE);
+       if (retval == STATUS_SUCCESS) {
+               if ((extra[1] & 0x30) != 0x30) {
+                       ms_set_err_code(chip, MS_FLASH_READ_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (phy_blk >> 8);
+       data[3] = (u8) phy_blk;
+       /* Page Number
+        * Extra data access mode */
+       data[4] = 0;
+       data[5] = start_page;
+
+       retval =
+           ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm, 6,
+                           BLOCK_READ, WAIT_INT, data, 6, &val1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       rts51x_init_cmd(chip);
+
+       if (send_blkend)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BLKEND, SET_BLKEND,
+                              SET_BLKEND);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BLKEND, SET_BLKEND, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, WAIT_INT,
+                      NO_WAIT_INT);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_L, 0xFF,
+                      (u8) page_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_H, 0xFF, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, READ_PAGE_DATA);
+
+       trans_dma_enable(DMA_FROM_DEVICE, chip, 512 * page_cnt, DMA_512);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                      MS_TRANSFER_START | MS_TM_MULTI_READ);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END,
+                      MS_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CDIR | STAGE_MS_STATUS, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval =
+           rts51x_transfer_data_partial(chip, RCV_BULK_PIPE(chip), (void *)buf,
+                                        ptr, offset, 512 * page_cnt,
+                                        scsi_sg_count(chip->srb), NULL, 2000);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_ms_error(chip);
+               if (retval == STATUS_TIMEDOUT)
+                       TRACE_RET(chip, retval);
+               TRACE_GOTO(chip, Fail);
+       }
+       retval = rts51x_get_rsp(chip, 3, 200);
+       if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+               rts51x_clear_ms_error(chip);
+               if (retval == STATUS_TIMEDOUT)
+                       TRACE_RET(chip, retval);
+               TRACE_GOTO(chip, Fail);
+       }
+
+       return STATUS_SUCCESS;
+
+Fail:
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, READ_REG_CMD, MS_SECTOR_CNT_L, 0, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR | STAGE_MS_STATUS, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 3, 200);
+
+       if (CHECK_MS_TRANS_FAIL(chip, retval))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       sec_cnt = chip->rsp_buf[0];
+       RTS51X_DEBUGP("%d pages need be trasferred, %d pages remained\n",
+                      (int)page_cnt, (int)sec_cnt);
+       page_addr = start_page + (page_cnt - sec_cnt);
+
+       if (CHK_MS4BIT(ms_card)) {
+               val1 = chip->rsp_buf[1];
+               RTS51X_DEBUGP("MS_TRANS_CFG: 0x%x\n", val1);
+       } else {
+               val1 = 0;
+       }
+
+       val2 = chip->rsp_buf[2];
+       RTS51X_DEBUGP("GET_INT: 0x%x\n", val2);
+
+       if ((val1 & INT_CMDNK) || (val2 & INT_REG_CMDNK)) {
+               ms_set_err_code(chip, MS_CMD_NK);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if ((val1 & INT_ERR) || (val2 & INT_REG_ERR)) {
+               if ((val1 & INT_BREQ) || (val2 & INT_REG_BREQ)) {
+                       retval = ms_read_status_reg(chip);
+                       if (retval != STATUS_SUCCESS) {
+                               if (!(chip->card_wp & MS_CARD)) {
+                                       reset_ms(chip);
+                                       ms_set_page_status(log_blk, setPS_NG,
+                                               extra, MS_EXTRA_SIZE);
+                                       ms_write_extra_data(chip, phy_blk,
+                                               page_addr, extra,
+                                               MS_EXTRA_SIZE);
+                               }
+                               ms_set_err_code(chip, MS_FLASH_READ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               } else {
+                       ms_set_err_code(chip, MS_FLASH_READ_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       } else {
+               if (CHK_MS4BIT(ms_card)) {
+                       if (!(val1 & INT_BREQ) && !(val2 & INT_REG_BREQ)) {
+                               ms_set_err_code(chip, MS_BREQ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               } else {
+                       if (!(val2 & INT_REG_BREQ)) {
+                               ms_set_err_code(chip, MS_BREQ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+       }
+
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+static int ms_write_multiple_pages(struct rts51x_chip *chip, u16 old_blk,
+                                  u16 new_blk, u16 log_blk, u8 start_page,
+                                  u8 end_page, u8 *buf, void **ptr,
+                                  unsigned int *offset)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       int send_blkend;
+       u8 val, data[16];
+       u8 page_cnt = end_page - start_page;
+
+       if ((end_page == (ms_card->page_off + 1)) || (page_cnt == 1))
+               send_blkend = 0;
+       else
+               send_blkend = 1;
+
+       if (!start_page) {
+               if (CHK_MS4BIT(ms_card)) {
+                       /* Parallel interface */
+                       data[0] = 0x88;
+               } else {
+                       /* Serial interface */
+                       data[0] = 0x80;
+               }
+               /* Block Address */
+               data[1] = 0;
+               data[2] = (u8) (old_blk >> 8);
+               data[3] = (u8) old_blk;
+               data[4] = 0x80;
+               data[5] = 0;
+               data[6] = 0xEF;
+               data[7] = 0xFF;
+
+               retval =
+                   ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE,
+                                   SystemParm, 7, BLOCK_WRITE, WAIT_INT, data,
+                                   7, &val);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       retval =
+           ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm,
+                              (6 + MS_EXTRA_SIZE));
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       ms_set_err_code(chip, MS_NO_ERROR);
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (new_blk >> 8);
+       data[3] = (u8) new_blk;
+       /* Page Number
+        * Extra data access mode */
+       if (page_cnt == 1) {
+               /* Single page access mode */
+               data[4] = 0x20;
+       } else {
+               /* Block access mode */
+               data[4] = 0;
+       }
+       data[5] = start_page;
+       data[6] = 0xF8;
+       data[7] = 0xFF;
+       data[8] = (u8) (log_blk >> 8);
+       data[9] = (u8) log_blk;
+
+       for (i = 0x0A; i < 0x10; i++) {
+               /* ECC */
+               data[i] = 0xFF;
+       }
+
+       retval =
+           ms_auto_set_cmd(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm,
+                           (6 + MS_EXTRA_SIZE), BLOCK_WRITE, WAIT_INT, data,
+                           16, &val);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       rts51x_init_cmd(chip);
+
+       if (send_blkend)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BLKEND, SET_BLKEND,
+                              SET_BLKEND);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_BLKEND, SET_BLKEND, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, WAIT_INT,
+                      NO_WAIT_INT);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_L, 0xFF,
+                      (u8) page_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_SECTOR_CNT_H, 0xFF, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF, WRITE_PAGE_DATA);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      RING_BUFFER);
+
+       trans_dma_enable(DMA_TO_DEVICE, chip, 512 * page_cnt, DMA_512);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                      MS_TRANSFER_START | MS_TM_MULTI_WRITE);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER, MS_TRANSFER_END,
+                      MS_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CDOR | STAGE_MS_STATUS, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval =
+           rts51x_transfer_data_partial(chip, SND_BULK_PIPE(chip), (void *)buf,
+                                        ptr, offset, 512 * page_cnt,
+                                        scsi_sg_count(chip->srb), NULL, 2000);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_ms_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       retval = rts51x_get_rsp(chip, 3, 2000);
+
+
+       if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+               rts51x_clear_ms_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+#else
+
+static int ms_read_multiple_pages(struct rts51x_chip *chip, u16 phy_blk,
+                                 u16 log_blk, u8 start_page, u8 end_page,
+                                 u8 *buf, void **ptr, unsigned int *offset)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       u8 extra[MS_EXTRA_SIZE], page_addr, val, trans_cfg, data[6];
+
+       retval =
+           ms_read_extra_data(chip, phy_blk, start_page, extra, MS_EXTRA_SIZE);
+       if (retval == STATUS_SUCCESS) {
+               if ((extra[1] & 0x30) != 0x30) {
+                       ms_set_err_code(chip, MS_FLASH_READ_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       retval =
+           ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm,
+                              6);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       /* Write REG */
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (phy_blk >> 8);
+       data[3] = (u8) phy_blk;
+       /* Page Number
+        * Extra data access mode */
+       data[4] = 0;
+       data[5] = start_page;
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, WRITE_REG, 6, NO_WAIT_INT, data, 6);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       ms_set_err_code(chip, MS_NO_ERROR);
+
+       retval = ms_send_cmd(chip, BLOCK_READ, WAIT_INT);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       for (page_addr = start_page; page_addr < end_page; page_addr++) {
+               ms_set_err_code(chip, MS_NO_ERROR);
+
+               if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) {
+                       ms_set_err_code(chip, MS_NO_CARD);
+                       chip->card_exist &= ~MS_CARD;
+                       chip->card_ready &= ~MS_CARD;
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+               /* GET_INT Register */
+               retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               if (val & INT_REG_CMDNK) {
+                       ms_set_err_code(chip, MS_CMD_NK);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+               if (val & INT_REG_ERR) {
+                       if (val & INT_REG_BREQ) {
+                               retval = ms_read_status_reg(chip);
+                               if (retval != STATUS_SUCCESS) {
+                                       if (!(chip->card_wp & MS_CARD)) {
+                                               reset_ms(chip);
+                                               ms_set_page_status(log_blk,
+                                                       setPS_NG, extra,
+                                                       MS_EXTRA_SIZE);
+                                               ms_write_extra_data(chip,
+                                                       phy_blk, page_addr,
+                                                       extra, MS_EXTRA_SIZE);
+                                       }
+                                       ms_set_err_code(chip,
+                                                       MS_FLASH_READ_ERROR);
+                                       TRACE_RET(chip, STATUS_FAIL);
+                               }
+                       } else {
+                               ms_set_err_code(chip, MS_FLASH_READ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               } else {
+                       if (!(val & INT_REG_BREQ)) {
+                               ms_set_err_code(chip, MS_BREQ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               if (page_addr == (end_page - 1)) {
+                       if (!(val & INT_REG_CED)) {
+                               retval = ms_send_cmd(chip, BLOCK_END, WAIT_INT);
+                               if (retval != STATUS_SUCCESS)
+                                       TRACE_RET(chip, retval);
+                       }
+                       retval =
+                           ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val,
+                                         1);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+                       if (!(val & INT_REG_CED)) {
+                               ms_set_err_code(chip, MS_FLASH_READ_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       trans_cfg = NO_WAIT_INT;
+               } else {
+                       trans_cfg = WAIT_INT;
+               }
+
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF,
+                              READ_PAGE_DATA);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF,
+                              trans_cfg);
+
+               trans_dma_enable(DMA_FROM_DEVICE, chip, 512, DMA_512);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                              MS_TRANSFER_START | MS_TM_NORMAL_READ);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER,
+                              MS_TRANSFER_END, MS_TRANSFER_END);
+
+               retval = rts51x_send_cmd(chip, MODE_CDIR, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval =
+                   rts51x_transfer_data_partial(chip, RCV_BULK_PIPE(chip),
+                                                (void *)buf, ptr, offset, 512,
+                                                scsi_sg_count(chip->srb), NULL,
+                                                2000);
+               if (retval != STATUS_SUCCESS) {
+                       if (retval == STATUS_TIMEDOUT) {
+                               ms_set_err_code(chip, MS_TO_ERROR);
+                               rts51x_clear_ms_error(chip);
+                               TRACE_RET(chip, retval);
+                       }
+
+                       retval =
+                           rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val);
+                       if (retval != STATUS_SUCCESS) {
+                               ms_set_err_code(chip, MS_TO_ERROR);
+                               rts51x_clear_ms_error(chip);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if (val & (MS_CRC16_ERR | MS_RDY_TIMEOUT)) {
+                               ms_set_err_code(chip, MS_CRC16_ERROR);
+                               rts51x_clear_ms_error(chip);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               retval = rts51x_get_rsp(chip, 1, 2000);
+               if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+                       if (retval == STATUS_TIMEDOUT) {
+                               ms_set_err_code(chip, MS_TO_ERROR);
+                               rts51x_clear_ms_error(chip);
+                               TRACE_RET(chip, retval);
+                       }
+
+                       retval =
+                           rts51x_ep0_read_register(chip, MS_TRANS_CFG, &val);
+                       if (retval != STATUS_SUCCESS) {
+                               ms_set_err_code(chip, MS_TO_ERROR);
+                               rts51x_clear_ms_error(chip);
+                               TRACE_RET(chip, retval);
+                       }
+                       if (val & (MS_CRC16_ERR | MS_RDY_TIMEOUT)) {
+                               ms_set_err_code(chip, MS_CRC16_ERROR);
+                               rts51x_clear_ms_error(chip);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_write_multiple_pages(struct rts51x_chip *chip, u16 old_blk,
+                                  u16 new_blk, u16 log_blk, u8 start_page,
+                                  u8 end_page, u8 *buf, void **ptr,
+                                  unsigned int *offset)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       u8 page_addr, val, data[16];
+
+       if (!start_page) {
+               retval =
+                   ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE,
+                                      SystemParm, 7);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               if (CHK_MS4BIT(ms_card)) {
+                       /* Parallel interface */
+                       data[0] = 0x88;
+               } else {
+                       /* Serial interface */
+                       data[0] = 0x80;
+               }
+               /* Block Address */
+               data[1] = 0;
+               data[2] = (u8) (old_blk >> 8);
+               data[3] = (u8) old_blk;
+               data[4] = 0x80;
+               data[5] = 0;
+               data[6] = 0xEF;
+               data[7] = 0xFF;
+
+               retval =
+                   ms_write_bytes(chip, WRITE_REG, 7, NO_WAIT_INT, data, 8);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = ms_send_cmd(chip, BLOCK_WRITE, WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               /* GET_INT Register */
+               ms_set_err_code(chip, MS_NO_ERROR);
+               retval =
+                   ms_transfer_tpc(chip, MS_TM_READ_BYTES, GET_INT, 1,
+                                   NO_WAIT_INT);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       retval =
+           ms_set_rw_reg_addr(chip, OverwriteFlag, MS_EXTRA_SIZE, SystemParm,
+                              (6 + MS_EXTRA_SIZE));
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       ms_set_err_code(chip, MS_NO_ERROR);
+
+       if (CHK_MS4BIT(ms_card)) {
+               /* Parallel interface */
+               data[0] = 0x88;
+       } else {
+               /* Serial interface */
+               data[0] = 0x80;
+       }
+       /* Block Address */
+       data[1] = 0;
+       data[2] = (u8) (new_blk >> 8);
+       data[3] = (u8) new_blk;
+       /* Page Number
+        * Extra data access mode */
+       if ((end_page - start_page) == 1) {
+               /* Single page access mode */
+               data[4] = 0x20;
+       } else {
+               /* Block access mode */
+               data[4] = 0;
+       }
+       data[5] = start_page;
+       data[6] = 0xF8;
+       data[7] = 0xFF;
+       data[8] = (u8) (log_blk >> 8);
+       data[9] = (u8) log_blk;
+
+       for (i = 0x0A; i < 0x10; i++) {
+               /* ECC */
+               data[i] = 0xFF;
+       }
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, WRITE_REG, 6 + MS_EXTRA_SIZE,
+                                  NO_WAIT_INT, data, 16);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval = ms_send_cmd(chip, BLOCK_WRITE, WAIT_INT);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+       /* GET_INT Register */
+       retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       for (page_addr = start_page; page_addr < end_page; page_addr++) {
+               ms_set_err_code(chip, MS_NO_ERROR);
+
+               if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) {
+                       ms_set_err_code(chip, MS_NO_CARD);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               if (val & INT_REG_CMDNK) {
+                       ms_set_err_code(chip, MS_CMD_NK);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+               if (val & INT_REG_ERR) {
+                       ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+               if (!(val & INT_REG_BREQ)) {
+                       ms_set_err_code(chip, MS_BREQ_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               udelay(30);
+
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF,
+                              WRITE_PAGE_DATA);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF,
+                              WAIT_INT);
+
+               trans_dma_enable(DMA_TO_DEVICE, chip, 512, DMA_512);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                              MS_TRANSFER_START | MS_TM_NORMAL_WRITE);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER,
+                              MS_TRANSFER_END, MS_TRANSFER_END);
+
+               retval = rts51x_send_cmd(chip, MODE_CDOR, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval =
+                   rts51x_transfer_data_partial(chip, SND_BULK_PIPE(chip),
+                                                (void *)buf, ptr, offset, 512,
+                                                scsi_sg_count(chip->srb), NULL,
+                                                2000);
+               if (retval != STATUS_SUCCESS) {
+                       ms_set_err_code(chip, MS_TO_ERROR);
+                       rts51x_clear_ms_error(chip);
+
+                       if (retval == STATUS_TIMEDOUT)
+                               TRACE_RET(chip, STATUS_TIMEDOUT);
+                       else
+                               TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               retval = rts51x_get_rsp(chip, 1, 2000);
+               if (CHECK_MS_TRANS_FAIL(chip, retval)) {
+                       ms_set_err_code(chip, MS_TO_ERROR);
+                       rts51x_clear_ms_error(chip);
+
+                       if (retval == STATUS_TIMEDOUT)
+                               TRACE_RET(chip, STATUS_TIMEDOUT);
+                       else
+                               TRACE_RET(chip, STATUS_FAIL);
+               }
+               /* GET_INT Register */
+               retval = ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT, &val, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               if ((end_page - start_page) == 1) {
+                       if (!(val & INT_REG_CED)) {
+                               /* Command can not be executed */
+                               ms_set_err_code(chip, MS_FLASH_WRITE_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               } else {
+                       if (page_addr == (end_page - 1)) {
+                               if (!(val & INT_REG_CED)) {
+                                       retval =
+                                           ms_send_cmd(chip, BLOCK_END,
+                                                       WAIT_INT);
+                                       if (retval != STATUS_SUCCESS)
+                                               TRACE_RET(chip, retval);
+                               }
+                               /* GET_INT Register */
+                               retval =
+                                   ms_read_bytes(chip, GET_INT, 1, NO_WAIT_INT,
+                                                 &val, 1);
+                               if (retval != STATUS_SUCCESS)
+                                       TRACE_RET(chip, retval);
+                       }
+
+                       if ((page_addr == (end_page - 1))
+                           || (page_addr == ms_card->page_off)) {
+                               if (!(val & INT_REG_CED)) {
+                                       ms_set_err_code(chip,
+                                                       MS_FLASH_WRITE_ERROR);
+                                       TRACE_RET(chip, STATUS_FAIL);
+                               }
+                       }
+               }
+       }
+
+       return STATUS_SUCCESS;
+}
+#endif
+
+static int ms_finish_write(struct rts51x_chip *chip, u16 old_blk, u16 new_blk,
+                          u16 log_blk, u8 page_off)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, seg_no;
+
+#ifdef MS_SPEEDUP
+       retval = ms_auto_copy_page(chip, old_blk, new_blk, log_blk,
+                                  page_off, ms_card->page_off + 1);
+#else
+       retval = ms_copy_page(chip, old_blk, new_blk, log_blk,
+                             page_off, ms_card->page_off + 1);
+#endif
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       seg_no = old_blk >> 9;
+
+       if (MS_TST_BAD_BLOCK_FLG(ms_card)) {
+               MS_CLR_BAD_BLOCK_FLG(ms_card);
+               ms_set_bad_block(chip, old_blk);
+       } else {
+               retval = ms_erase_block(chip, old_blk);
+               if (retval == STATUS_SUCCESS)
+                       ms_set_unused_block(chip, old_blk);
+       }
+
+       ms_set_l2p_tbl(chip, seg_no, log_blk - ms_start_idx[seg_no], new_blk);
+
+       return STATUS_SUCCESS;
+}
+
+static int ms_prepare_write(struct rts51x_chip *chip, u16 old_blk, u16 new_blk,
+                           u16 log_blk, u8 start_page)
+{
+       int retval;
+
+       if (start_page) {
+#ifdef MS_SPEEDUP
+               retval =
+                   ms_auto_copy_page(chip, old_blk, new_blk, log_blk, 0,
+                                     start_page);
+#else
+               retval =
+                   ms_copy_page(chip, old_blk, new_blk, log_blk, 0,
+                                start_page);
+#endif
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+int ms_delay_write(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       struct ms_delay_write_tag *delay_write = &(ms_card->delay_write);
+       int retval;
+
+       if (delay_write->delay_write_flag) {
+               retval = ms_set_init_para(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               delay_write->delay_write_flag = 0;
+               retval = ms_finish_write(chip,
+                                        delay_write->old_phyblock,
+                                        delay_write->new_phyblock,
+                                        delay_write->logblock,
+                                        delay_write->pageoff);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static inline void ms_rw_fail(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       if (srb->sc_data_direction == DMA_FROM_DEVICE)
+               set_sense_type(chip, SCSI_LUN(srb),
+                              SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+       else
+               set_sense_type(chip, SCSI_LUN(srb), SENSE_TYPE_MEDIA_WRITE_ERR);
+}
+
+static int ms_rw_multi_sector(struct scsi_cmnd *srb, struct rts51x_chip *chip,
+                             u32 start_sector, u16 sector_cnt)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int retval, seg_no;
+       unsigned int offset = 0;
+       u16 old_blk = 0, new_blk = 0, log_blk, total_sec_cnt = sector_cnt;
+       u8 start_page, end_page = 0, page_cnt;
+       u8 *buf;
+       void *ptr = NULL;
+       struct ms_delay_write_tag *delay_write = &(ms_card->delay_write);
+
+       ms_set_err_code(chip, MS_NO_ERROR);
+
+       ms_card->counter = 0;
+
+       buf = (u8 *) scsi_sglist(srb);
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS) {
+               ms_rw_fail(srb, chip);
+               TRACE_RET(chip, retval);
+       }
+
+       log_blk = (u16) (start_sector >> ms_card->block_shift);
+       start_page = (u8) (start_sector & ms_card->page_off);
+
+       for (seg_no = 0; seg_no < sizeof(ms_start_idx) / 2; seg_no++) {
+               if (log_blk < ms_start_idx[seg_no + 1])
+                       break;
+       }
+
+       if (ms_card->segment[seg_no].build_flag == 0) {
+               retval = ms_build_l2p_tbl(chip, seg_no);
+               if (retval != STATUS_SUCCESS) {
+                       chip->card_fail |= MS_CARD;
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+                       TRACE_RET(chip, retval);
+               }
+       }
+
+       if (srb->sc_data_direction == DMA_TO_DEVICE) {
+               if (delay_write->delay_write_flag &&
+                   (delay_write->logblock == log_blk) &&
+                   (start_page > delay_write->pageoff)) {
+                       delay_write->delay_write_flag = 0;
+#ifdef MS_SPEEDUP
+                       retval = ms_auto_copy_page(chip,
+                                                  delay_write->old_phyblock,
+                                                  delay_write->new_phyblock,
+                                                  log_blk,
+                                                  delay_write->pageoff,
+                                                  start_page);
+#else
+                       retval = ms_copy_page(chip,
+                                             delay_write->old_phyblock,
+                                             delay_write->new_phyblock,
+                                             log_blk, delay_write->pageoff,
+                                             start_page);
+#endif
+                       if (retval != STATUS_SUCCESS) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, retval);
+                       }
+                       old_blk = delay_write->old_phyblock;
+                       new_blk = delay_write->new_phyblock;
+               } else if (delay_write->delay_write_flag &&
+                          (delay_write->logblock == log_blk) &&
+                          (start_page == delay_write->pageoff)) {
+                       delay_write->delay_write_flag = 0;
+                       old_blk = delay_write->old_phyblock;
+                       new_blk = delay_write->new_phyblock;
+               } else {
+                       retval = ms_delay_write(chip);
+                       if (retval != STATUS_SUCCESS) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, retval);
+                       }
+                       old_blk =
+                           ms_get_l2p_tbl(chip, seg_no,
+                                          log_blk - ms_start_idx[seg_no]);
+                       new_blk = ms_get_unused_block(chip, seg_no);
+                       if ((old_blk == 0xFFFF) || (new_blk == 0xFFFF)) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       retval =
+                           ms_prepare_write(chip, old_blk, new_blk, log_blk,
+                                            start_page);
+                       if (retval != STATUS_SUCCESS) {
+                               if (monitor_card_cd(chip, MS_CARD) ==
+                                   CD_NOT_EXIST) {
+                                       set_sense_type(chip, lun,
+                                               SENSE_TYPE_MEDIA_NOT_PRESENT);
+                                       TRACE_RET(chip, STATUS_FAIL);
+                               }
+
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, retval);
+                       }
+               }
+       } else {
+               retval = ms_delay_write(chip);
+               if (retval != STATUS_SUCCESS) {
+                       if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_NOT_PRESENT);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                       TRACE_RET(chip, retval);
+               }
+               old_blk =
+                   ms_get_l2p_tbl(chip, seg_no,
+                                  log_blk - ms_start_idx[seg_no]);
+               if (old_blk == 0xFFFF) {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       RTS51X_DEBUGP("seg_no = %d, old_blk = 0x%x, new_blk = 0x%x\n", seg_no,
+                      old_blk, new_blk);
+
+       while (total_sec_cnt) {
+               if ((start_page + total_sec_cnt) > (ms_card->page_off + 1))
+                       end_page = ms_card->page_off + 1;
+               else
+                       end_page = start_page + (u8) total_sec_cnt;
+               page_cnt = end_page - start_page;
+
+               RTS51X_DEBUGP("start_page = %d, end_page = %d,"
+                                       "page_cnt = %d\n",
+                                       start_page, end_page, page_cnt);
+
+               if (srb->sc_data_direction == DMA_FROM_DEVICE)
+                       retval = ms_read_multiple_pages(chip,
+                                                       old_blk, log_blk,
+                                                       start_page, end_page,
+                                                       buf, &ptr, &offset);
+               else
+                       retval = ms_write_multiple_pages(chip, old_blk,
+                                                        new_blk, log_blk,
+                                                        start_page, end_page,
+                                                        buf, &ptr, &offset);
+
+               if (retval != STATUS_SUCCESS) {
+                       if (monitor_card_cd(chip, MS_CARD) == CD_NOT_EXIST) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_NOT_PRESENT);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       ms_rw_fail(srb, chip);
+                       TRACE_RET(chip, retval);
+               }
+               /* Update L2P table if need */
+               if (srb->sc_data_direction == DMA_TO_DEVICE) {
+                       if (end_page == (ms_card->page_off + 1)) {
+                               retval = ms_erase_block(chip, old_blk);
+                               if (retval == STATUS_SUCCESS)
+                                       ms_set_unused_block(chip, old_blk);
+                               ms_set_l2p_tbl(chip, seg_no,
+                                              log_blk - ms_start_idx[seg_no],
+                                              new_blk);
+                       }
+               }
+
+               total_sec_cnt -= page_cnt;
+
+               if (total_sec_cnt == 0)
+                       break;
+
+               log_blk++;
+
+               for (seg_no = 0; seg_no < sizeof(ms_start_idx) / 2; seg_no++) {
+                       if (log_blk < ms_start_idx[seg_no + 1])
+                               break;
+               }
+
+               if (ms_card->segment[seg_no].build_flag == 0) {
+                       retval = ms_build_l2p_tbl(chip, seg_no);
+                       if (retval != STATUS_SUCCESS) {
+                               chip->card_fail |= MS_CARD;
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_NOT_PRESENT);
+                               TRACE_RET(chip, retval);
+                       }
+               }
+
+               old_blk =
+                   ms_get_l2p_tbl(chip, seg_no,
+                                  log_blk - ms_start_idx[seg_no]);
+               if (old_blk == 0xFFFF) {
+                       ms_rw_fail(srb, chip);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               if (srb->sc_data_direction == DMA_TO_DEVICE) {
+                       new_blk = ms_get_unused_block(chip, seg_no);
+                       if (new_blk == 0xFFFF) {
+                               ms_rw_fail(srb, chip);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               RTS51X_DEBUGP("seg_no = %d, old_blk = 0x%x, new_blk = 0x%x\n",
+                              seg_no, old_blk, new_blk);
+
+               start_page = 0;
+       }
+
+       if (srb->sc_data_direction == DMA_TO_DEVICE) {
+               if (end_page < (ms_card->page_off + 1)) {
+                       delay_write->delay_write_flag = 1;
+                       delay_write->old_phyblock = old_blk;
+                       delay_write->new_phyblock = new_blk;
+                       delay_write->logblock = log_blk;
+                       delay_write->pageoff = end_page;
+               }
+       }
+
+       scsi_set_resid(srb, 0);
+
+       return STATUS_SUCCESS;
+}
+
+int ms_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
+         u16 sector_cnt)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       if (CHK_MSPRO(ms_card))
+               retval =
+                   mspro_rw_multi_sector(srb, chip, start_sector, sector_cnt);
+       else
+               retval =
+                   ms_rw_multi_sector(srb, chip, start_sector, sector_cnt);
+
+       return retval;
+}
+
+void ms_free_l2p_tbl(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int i = 0;
+
+       if (ms_card->segment != NULL) {
+               for (i = 0; i < ms_card->segment_cnt; i++) {
+                       if (ms_card->segment[i].l2p_table != NULL) {
+                               vfree(ms_card->segment[i].l2p_table);
+                               ms_card->segment[i].l2p_table = NULL;
+                       }
+                       if (ms_card->segment[i].free_table != NULL) {
+                               vfree(ms_card->segment[i].free_table);
+                               ms_card->segment[i].free_table = NULL;
+                       }
+               }
+               vfree(ms_card->segment);
+               ms_card->segment = NULL;
+       }
+}
+
+void ms_cleanup_work(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+
+       if (CHK_MSPRO(ms_card)) {
+               if (ms_card->seq_mode) {
+                       RTS51X_DEBUGP("MS Pro: stop transmission\n");
+                       mspro_stop_seq_mode(chip);
+                       ms_card->counter = 0;
+               }
+               if (CHK_MSHG(ms_card)) {
+                       u8 value;
+                       rts51x_read_register(chip, MS_CFG, &value);
+                       if (value & MS_2K_SECTOR_MODE)
+                               rts51x_write_register(chip, MS_CFG,
+                                                     MS_2K_SECTOR_MODE, 0x00);
+               }
+       } else if ((!CHK_MSPRO(ms_card))
+                  && ms_card->delay_write.delay_write_flag) {
+               RTS51X_DEBUGP("MS: delay write\n");
+               ms_delay_write(chip);
+               ms_card->counter = 0;
+       }
+}
+
+int ms_power_off_card3v3(struct rts51x_chip *chip)
+{
+       int retval;
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, MS_CLK_EN, 0);
+       if (chip->asic_code)
+               ms_pull_ctl_disable(chip);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL,
+                              FPGA_MS_PULL_CTL_BIT | 0x20,
+                              FPGA_MS_PULL_CTL_BIT);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN, 0);
+       if (!chip->option.FT2_fast_mode) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int release_ms_card(struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+
+       RTS51X_DEBUGP("release_ms_card\n");
+
+       ms_card->delay_write.delay_write_flag = 0;
+       ms_card->pro_under_formatting = 0;
+
+       chip->card_ready &= ~MS_CARD;
+       chip->card_fail &= ~MS_CARD;
+       chip->card_wp &= ~MS_CARD;
+
+       ms_free_l2p_tbl(chip);
+
+       rts51x_write_register(chip, SFSM_ED, HW_CMD_STOP, HW_CMD_STOP);
+
+       memset(ms_card->raw_sys_info, 0, 96);
+#ifdef SUPPORT_PCGL_1P18
+       memset(ms_card->raw_model_name, 0, 48);
+#endif
+
+       retval = ms_power_off_card3v3(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
diff --git a/drivers/staging/rts5139/ms.h b/drivers/staging/rts5139/ms.h
new file mode 100644 (file)
index 0000000..f9d46d2
--- /dev/null
@@ -0,0 +1,263 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_MS_H
+#define __RTS51X_MS_H
+
+#include "rts51x_chip.h"
+
+#define        MS_MAX_RETRY_COUNT              3
+
+#define        MS_EXTRA_SIZE                   0x9
+
+#define        WRT_PRTCT                       0x01
+
+/* Error Code */
+#define        MS_NO_ERROR                             0x00
+#define        MS_CRC16_ERROR                          0x80
+#define        MS_TO_ERROR                             0x40
+#define        MS_NO_CARD                              0x20
+#define        MS_NO_MEMORY                            0x10
+#define        MS_CMD_NK                               0x08
+#define        MS_FLASH_READ_ERROR                     0x04
+#define        MS_FLASH_WRITE_ERROR                    0x02
+#define        MS_BREQ_ERROR                           0x01
+#define        MS_NOT_FOUND                            0x03
+
+/* Transfer Protocol Command */
+#define READ_PAGE_DATA                         0x02
+#define READ_REG                               0x04
+#define        GET_INT                                 0x07
+#define WRITE_PAGE_DATA                                0x0D
+#define WRITE_REG                              0x0B
+#define SET_RW_REG_ADRS                                0x08
+#define SET_CMD                                        0x0E
+
+#define        PRO_READ_LONG_DATA                      0x02
+#define        PRO_READ_SHORT_DATA                     0x03
+#define PRO_READ_REG                           0x04
+#define        PRO_READ_QUAD_DATA                      0x05
+#define PRO_GET_INT                            0x07
+#define        PRO_WRITE_LONG_DATA                     0x0D
+#define        PRO_WRITE_SHORT_DATA                    0x0C
+#define        PRO_WRITE_QUAD_DATA                     0x0A
+#define PRO_WRITE_REG                          0x0B
+#define PRO_SET_RW_REG_ADRS                    0x08
+#define PRO_SET_CMD                            0x0E
+#define PRO_EX_SET_CMD                         0x09
+
+#ifdef SUPPORT_MAGIC_GATE
+#define MG_GET_ID              0x40
+#define MG_SET_LID             0x41
+#define MG_GET_LEKB            0x42
+#define MG_SET_RD              0x43
+#define MG_MAKE_RMS            0x44
+#define MG_MAKE_KSE            0x45
+#define MG_SET_IBD             0x46
+#define MG_GET_IBD             0x47
+#endif
+
+#ifdef XC_POWERCLASS
+#define XC_CHG_POWER           0x16
+#endif
+
+/* ++ CMD over Memory Stick */
+/*  Flash CMD */
+#define BLOCK_READ             0xAA
+#define        BLOCK_WRITE             0x55
+#define BLOCK_END              0x33
+#define BLOCK_ERASE            0x99
+#define FLASH_STOP             0xCC
+
+/*  Function CMD */
+#define SLEEP                  0x5A
+#define CLEAR_BUF              0xC3
+#define MS_RESET               0x3C
+/* -- CMD over Memory Stick */
+
+/* ++ CMD over Memory Stick Pro */
+/*  Flash CMD */
+#define PRO_READ_DATA          0x20
+#define        PRO_WRITE_DATA          0x21
+#define PRO_READ_ATRB          0x24
+#define PRO_STOP               0x25
+#define PRO_ERASE              0x26
+#define        PRO_READ_2K_DATA        0x27
+#define        PRO_WRITE_2K_DATA       0x28
+
+/*  Function CMD */
+#define PRO_FORMAT             0x10
+#define PRO_SLEEP              0x11
+/* -- CMD over Memory Stick Pro */
+
+/*  register inside memory stick */
+#define        IntReg                  0x01
+#define StatusReg0             0x02
+#define StatusReg1             0x03
+
+#define SystemParm             0x10
+#define BlockAdrs              0x11
+#define CMDParm                        0x14
+#define PageAdrs               0x15
+
+#define OverwriteFlag          0x16
+#define ManagemenFlag          0x17
+#define LogicalAdrs            0x18
+#define ReserveArea            0x1A
+
+/*  register inside memory pro */
+#define        Pro_IntReg              0x01
+#define Pro_StatusReg          0x02
+#define Pro_TypeReg            0x04
+#define        Pro_IFModeReg           0x05
+#define Pro_CatagoryReg                0x06
+#define Pro_ClassReg           0x07
+
+#define Pro_SystemParm         0x10
+#define Pro_DataCount1         0x11
+#define Pro_DataCount0         0x12
+#define Pro_DataAddr3          0x13
+#define Pro_DataAddr2          0x14
+#define Pro_DataAddr1          0x15
+#define Pro_DataAddr0          0x16
+
+#define Pro_TPCParm            0x17
+#define Pro_CMDParm            0x18
+
+/*  define for INT Register */
+#define        INT_REG_CED             0x80
+#define        INT_REG_ERR             0x40
+#define        INT_REG_BREQ            0x20
+#define        INT_REG_CMDNK           0x01
+
+/*  INT signal */
+#define        INT_CED                 0x01
+#define        INT_ERR                 0x02
+#define        INT_BREQ                0x04
+#define        INT_CMDNK               0x08
+
+/*  define for OverwriteFlag Register */
+#define        BLOCK_BOOT              0xC0
+#define        BLOCK_OK                0x80
+#define        PAGE_OK                 0x60
+#define        DATA_COMPL              0x10
+
+/*  define for ManagemenFlag Register */
+#define        NOT_BOOT_BLOCK          0x4
+#define        NOT_TRANSLATION_TABLE   0x8
+
+/*  Header */
+#define        HEADER_ID0              (PPBUF_BASE2)                   /* 0 */
+#define        HEADER_ID1              (PPBUF_BASE2 + 1)               /* 1 */
+/*  System Entry */
+#define        DISABLED_BLOCK0         (PPBUF_BASE2 + 0x170 + 4)       /* 2 */
+#define        DISABLED_BLOCK1         (PPBUF_BASE2 + 0x170 + 5)       /* 3 */
+#define        DISABLED_BLOCK2         (PPBUF_BASE2 + 0x170 + 6)       /* 4 */
+#define        DISABLED_BLOCK3         (PPBUF_BASE2 + 0x170 + 7)       /* 5 */
+/*  Boot & Attribute Information */
+#define        BLOCK_SIZE_0            (PPBUF_BASE2 + 0x1a0 + 2)       /* 6 */
+#define        BLOCK_SIZE_1            (PPBUF_BASE2 + 0x1a0 + 3)       /* 7 */
+#define        BLOCK_COUNT_0           (PPBUF_BASE2 + 0x1a0 + 4)       /* 8 */
+#define        BLOCK_COUNT_1           (PPBUF_BASE2 + 0x1a0 + 5)       /* 9 */
+#define        EBLOCK_COUNT_0          (PPBUF_BASE2 + 0x1a0 + 6)       /* 10 */
+#define        EBLOCK_COUNT_1          (PPBUF_BASE2 + 0x1a0 + 7)       /* 11 */
+#define        PAGE_SIZE_0             (PPBUF_BASE2 + 0x1a0 + 8)       /* 12 */
+#define        PAGE_SIZE_1             (PPBUF_BASE2 + 0x1a0 + 9)       /* 13 */
+
+/* joey 2004-08-07 for MS check Procedure */
+#define MS_Device_Type (PPBUF_BASE2 + 0x1D8)   /* 14 */
+/* end */
+
+/* joey 2004-05-03 */
+#define        MS_4bit_Support (PPBUF_BASE2 + 0x1D3)   /* 15 */
+/* end */
+
+#define setPS_NG       1
+#define setPS_Error    0
+
+/*  define for Pro_SystemParm Register */
+#define        PARALLEL_8BIT_IF        0x40
+#define        PARALLEL_4BIT_IF        0x00
+#define        SERIAL_IF               0x80
+
+/*  define for StatusReg0 Register */
+#define BUF_FULL       0x10
+#define BUF_EMPTY      0x20
+
+/*  define for StatusReg1 Register */
+#define        MEDIA_BUSY      0x80
+#define        FLASH_BUSY      0x40
+#define        DATA_ERROR      0x20
+#define        STS_UCDT        0x10
+#define        EXTRA_ERROR     0x08
+#define        STS_UCEX        0x04
+#define        FLAG_ERROR      0x02
+#define        STS_UCFG        0x01
+
+#define MS_SHORT_DATA_LEN      32
+
+#define FORMAT_SUCCESS         0
+#define FORMAT_FAIL            1
+#define FORMAT_IN_PROGRESS     2
+
+#define        MS_SET_BAD_BLOCK_FLG(ms_card)   ((ms_card)->multi_flag |= 0x80)
+#define MS_CLR_BAD_BLOCK_FLG(ms_card)  ((ms_card)->multi_flag &= 0x7F)
+#define MS_TST_BAD_BLOCK_FLG(ms_card)  ((ms_card)->multi_flag & 0x80)
+
+#define CHECK_MS_TRANS_FAIL(chip, retval)      \
+       (((retval) != STATUS_SUCCESS) || \
+       (chip->rsp_buf[0] & MS_TRANSFER_ERR))
+
+void mspro_polling_format_status(struct rts51x_chip *chip);
+void mspro_format_sense(struct rts51x_chip *chip, unsigned int lun);
+
+void mspro_stop_seq_mode(struct rts51x_chip *chip);
+int reset_ms_card(struct rts51x_chip *chip);
+int ms_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
+         u16 sector_cnt);
+int mspro_format(struct scsi_cmnd *srb, struct rts51x_chip *chip,
+                int short_data_len, int quick_format);
+void ms_free_l2p_tbl(struct rts51x_chip *chip);
+void ms_cleanup_work(struct rts51x_chip *chip);
+int ms_power_off_card3v3(struct rts51x_chip *chip);
+int release_ms_card(struct rts51x_chip *chip);
+int ms_delay_write(struct rts51x_chip *chip);
+
+#ifdef SUPPORT_MAGIC_GATE
+
+int ms_switch_clock(struct rts51x_chip *chip);
+int ms_write_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 * data,
+                  int data_len);
+int ms_read_bytes(struct rts51x_chip *chip, u8 tpc, u8 cnt, u8 cfg, u8 * data,
+                 int data_len);
+int ms_set_rw_reg_addr(struct rts51x_chip *chip, u8 read_start, u8 read_cnt,
+                      u8 write_start, u8 write_cnt);
+int ms_transfer_data(struct rts51x_chip *chip, u8 trans_mode, u8 tpc,
+                    u16 sec_cnt, u8 cfg, int mode_2k, int use_sg, void *buf,
+                    int buf_len);
+#endif
+
+#endif /* __RTS51X_MS_H */
diff --git a/drivers/staging/rts5139/ms_mg.c b/drivers/staging/rts5139/ms_mg.c
new file mode 100644 (file)
index 0000000..154b523
--- /dev/null
@@ -0,0 +1,642 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include "debug.h"
+#include "trace.h"
+#include "rts51x.h"
+#include "rts51x_transport.h"
+#include "rts51x_scsi.h"
+#include "rts51x_card.h"
+#include "ms.h"
+
+#ifdef SUPPORT_MAGIC_GATE
+
+int mg_check_int_error(struct rts51x_chip *chip)
+{
+       u8 value;
+
+       rts51x_read_register(chip, MS_TRANS_CFG, &value);
+       if (value & (INT_ERR | INT_CMDNK))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+static int mg_send_ex_cmd(struct rts51x_chip *chip, u8 cmd, u8 entry_num)
+{
+       int retval, i;
+       u8 data[8];
+
+       data[0] = cmd;
+       data[1] = 0;
+       data[2] = 0;
+       data[3] = 0;
+       data[4] = 0;
+       data[5] = 0;
+       data[6] = entry_num;
+       data[7] = 0;
+
+       for (i = 0; i < MS_MAX_RETRY_COUNT; i++) {
+               retval =
+                   ms_write_bytes(chip, PRO_EX_SET_CMD, 7, WAIT_INT, data, 8);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (i == MS_MAX_RETRY_COUNT)
+               TRACE_RET(chip, STATUS_FAIL);
+       retval = mg_check_int_error(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+int mg_set_tpc_para_sub(struct rts51x_chip *chip, int type, u8 mg_entry_num)
+{
+       int retval;
+       u8 buf[6];
+
+       RTS51X_DEBUGP("--%s--\n", __func__);
+
+       if (type == 0)
+               retval = ms_set_rw_reg_addr(chip, 0, 0, Pro_TPCParm, 1);
+       else
+               retval = ms_set_rw_reg_addr(chip, 0, 0, Pro_DataCount1, 6);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       buf[0] = 0;
+       buf[1] = 0;
+       if (type == 1) {
+               buf[2] = 0;
+               buf[3] = 0;
+               buf[4] = 0;
+               buf[5] = mg_entry_num;
+       }
+       retval =
+           ms_write_bytes(chip, PRO_WRITE_REG, (type == 0) ? 1 : 6,
+                          NO_WAIT_INT, buf, 6);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+/**
+  * Get MagciGate ID and set Leaf ID to medium.
+
+  * After receiving this SCSI command, adapter shall fulfill 2 tasks
+  * below in order:
+  * 1. send GET_ID TPC command to get MagicGate ID and hold it till
+  * Response&challenge CMD.
+  * 2. send SET_ID TPC command to medium with Leaf ID released by host
+  * in this SCSI CMD.
+  */
+int mg_set_leaf_id(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int retval;
+       int i;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 buf1[32], buf2[12];
+
+       RTS51X_DEBUGP("--%s--\n", __func__);
+
+       if (scsi_bufflen(srb) < 12) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       ms_cleanup_work(chip);
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = mg_send_ex_cmd(chip, MG_SET_LID, 0);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB);
+               TRACE_RET(chip, retval);
+       }
+
+       memset(buf1, 0, 32);
+       rts51x_get_xfer_buf(buf2, min(12, (int)scsi_bufflen(srb)), srb);
+       for (i = 0; i < 8; i++)
+               buf1[8 + i] = buf2[4 + i];
+       retval =
+           ms_write_bytes(chip, PRO_WRITE_SHORT_DATA, 32, WAIT_INT, buf1, 32);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB);
+               TRACE_RET(chip, retval);
+       }
+       retval = mg_check_int_error(chip);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB);
+               TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+/**
+  * Send Local EKB to host.
+
+  * After receiving this SCSI command, adapter shall read the divided
+  * data(1536 bytes totally) from medium by using READ_LONG_DATA TPC
+  * for 3 times, and report data to host with data-length is 1052 bytes.
+  */
+int mg_get_local_EKB(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int retval = STATUS_FAIL;
+       int bufflen;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 *buf = NULL;
+
+       RTS51X_DEBUGP("--%s--\n", __func__);
+
+       ms_cleanup_work(chip);
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       buf = kmalloc(1540, GFP_KERNEL);
+       if (!buf)
+               TRACE_RET(chip, STATUS_NOMEM);
+
+       buf[0] = 0x04;
+       buf[1] = 0x1A;
+       buf[2] = 0x00;
+       buf[3] = 0x00;
+
+       retval = mg_send_ex_cmd(chip, MG_GET_LEKB, 0);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_GOTO(chip, GetEKBFinish);
+       }
+
+       retval = ms_transfer_data(chip, MS_TM_AUTO_READ, PRO_READ_LONG_DATA,
+                                 3, WAIT_INT, 0, 0, buf + 4, 1536);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               rts51x_write_register(chip, CARD_STOP, MS_STOP | MS_CLR_ERR,
+                                     MS_STOP | MS_CLR_ERR);
+               TRACE_GOTO(chip, GetEKBFinish);
+       }
+       retval = mg_check_int_error(chip);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_GOTO(chip, GetEKBFinish);
+       }
+
+       bufflen = min(1052, (int)scsi_bufflen(srb));
+       rts51x_set_xfer_buf(buf, bufflen, srb);
+
+GetEKBFinish:
+       kfree(buf);
+       return retval;
+}
+
+/**
+  * Send challenge(host) to medium.
+
+  * After receiving this SCSI command, adapter shall sequentially issues
+  * TPC commands to the medium for writing 8-bytes data as challenge
+  * by host within a short data packet.
+  */
+int mg_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       int bufflen;
+       int i;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 buf[32], tmp;
+
+       RTS51X_DEBUGP("--%s--\n", __func__);
+
+       ms_cleanup_work(chip);
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = mg_send_ex_cmd(chip, MG_GET_ID, 0);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, retval);
+       }
+
+       retval =
+           ms_read_bytes(chip, PRO_READ_SHORT_DATA, 32, WAIT_INT, buf, 32);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, retval);
+       }
+       retval = mg_check_int_error(chip);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, retval);
+       }
+
+       memcpy(ms_card->magic_gate_id, buf, 16);
+
+       for (i = 0; i < 2500; i++) {
+               RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp);
+               if (tmp &
+                   (MS_INT_CED | MS_INT_CMDNK | MS_INT_BREQ | MS_INT_ERR))
+                       break;
+
+               wait_timeout(1);
+       }
+
+       if (i == 2500) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       retval = mg_send_ex_cmd(chip, MG_SET_RD, 0);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, retval);
+       }
+
+       bufflen = min(12, (int)scsi_bufflen(srb));
+       rts51x_get_xfer_buf(buf, bufflen, srb);
+
+       for (i = 0; i < 8; i++)
+               buf[i] = buf[4 + i];
+       for (i = 0; i < 24; i++)
+               buf[8 + i] = 0;
+       retval =
+           ms_write_bytes(chip, PRO_WRITE_SHORT_DATA, 32, WAIT_INT, buf, 32);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, retval);
+       }
+       retval = mg_check_int_error(chip);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, retval);
+       }
+
+       ms_card->mg_auth = 0;
+
+       return STATUS_SUCCESS;
+}
+
+/**
+  * Send Response and Challenge data  to host.
+
+  * After receiving this SCSI command, adapter shall communicates with
+  * the medium, get parameters(HRd, Rms, MagicGateID) by using READ_SHORT_DATA
+  * TPC and send the data to host according to certain format required by
+  * MG-R specification.
+  * The paremeter MagicGateID is the one that adapter has obtained from
+  * the medium by TPC commands in Set Leaf ID command phase previously.
+  */
+int mg_get_rsp_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval, i;
+       int bufflen;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 buf1[32], buf2[36], tmp;
+
+       RTS51X_DEBUGP("--%s--\n", __func__);
+
+       ms_cleanup_work(chip);
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = mg_send_ex_cmd(chip, MG_MAKE_RMS, 0);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_RET(chip, retval);
+       }
+
+       retval =
+           ms_read_bytes(chip, PRO_READ_SHORT_DATA, 32, WAIT_INT, buf1, 32);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_RET(chip, retval);
+       }
+       retval = mg_check_int_error(chip);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_RET(chip, retval);
+       }
+
+       buf2[0] = 0x00;
+       buf2[1] = 0x22;
+       buf2[2] = 0x00;
+       buf2[3] = 0x00;
+
+       memcpy(buf2 + 4, ms_card->magic_gate_id, 16);
+       memcpy(buf2 + 20, buf1, 16);
+
+       bufflen = min(36, (int)scsi_bufflen(srb));
+       rts51x_set_xfer_buf(buf2, bufflen, srb);
+
+       for (i = 0; i < 2500; i++) {
+               RTS51X_READ_REG(chip, MS_TRANS_CFG, &tmp);
+               if (tmp & (MS_INT_CED | MS_INT_CMDNK |
+                               MS_INT_BREQ | MS_INT_ERR))
+                       break;
+
+               wait_timeout(1);
+       }
+
+       if (i == 2500) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+/**
+  * Send response(host) to medium.
+
+  * After receiving this SCSI command, adapter shall sequentially
+  * issues TPC commands to the medium for writing 8-bytes data as
+  * challenge by host within a short data packet.
+  */
+int mg_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       int i;
+       int bufflen;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 buf[32];
+
+       RTS51X_DEBUGP("--%s--\n", __func__);
+
+       ms_cleanup_work(chip);
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = mg_send_ex_cmd(chip, MG_MAKE_KSE, 0);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_RET(chip, retval);
+       }
+
+       bufflen = min(12, (int)scsi_bufflen(srb));
+       rts51x_get_xfer_buf(buf, bufflen, srb);
+
+       for (i = 0; i < 8; i++)
+               buf[i] = buf[4 + i];
+       for (i = 0; i < 24; i++)
+               buf[8 + i] = 0;
+       retval =
+           ms_write_bytes(chip, PRO_WRITE_SHORT_DATA, 32, WAIT_INT, buf, 32);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_RET(chip, retval);
+       }
+       retval = mg_check_int_error(chip);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN);
+               TRACE_RET(chip, retval);
+       }
+
+       ms_card->mg_auth = 1;
+
+       return STATUS_SUCCESS;
+}
+
+/** * Send ICV data to host.
+
+  * After receiving this SCSI command, adapter shall read the divided
+  * data(1024 bytes totally) from medium by using READ_LONG_DATA TPC
+  * for 2 times, and report data to host with data-length is 1028 bytes.
+  *
+  * Since the extra 4 bytes data is just only a prefix to original data
+  * that read from medium, so that the 4-byte data pushed into Ring buffer
+  * precedes data tramsinssion from medium to Ring buffer by DMA mechanisim
+  * in order to get maximum performance and minimum code size simultaneously.
+  */
+int mg_get_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       int bufflen;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 *buf = NULL;
+
+       RTS51X_DEBUGP("--%s--\n", __func__);
+
+       ms_cleanup_work(chip);
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       buf = kmalloc(1028, GFP_KERNEL);
+       if (!buf)
+               TRACE_RET(chip, STATUS_NOMEM);
+
+       buf[0] = 0x04;
+       buf[1] = 0x02;
+       buf[2] = 0x00;
+       buf[3] = 0x00;
+
+       retval = mg_send_ex_cmd(chip, MG_GET_IBD, ms_card->mg_entry_num);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+               TRACE_GOTO(chip, GetICVFinish);
+       }
+
+       retval = ms_transfer_data(chip, MS_TM_AUTO_READ, PRO_READ_LONG_DATA,
+                                 2, WAIT_INT, 0, 0, buf + 4, 1024);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+               rts51x_write_register(chip, CARD_STOP, MS_STOP | MS_CLR_ERR,
+                                     MS_STOP | MS_CLR_ERR);
+               TRACE_GOTO(chip, GetICVFinish);
+       }
+       retval = mg_check_int_error(chip);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+               TRACE_GOTO(chip, GetICVFinish);
+       }
+
+       bufflen = min(1028, (int)scsi_bufflen(srb));
+       rts51x_set_xfer_buf(buf, bufflen, srb);
+
+GetICVFinish:
+       kfree(buf);
+       return retval;
+}
+
+/**
+  * Send ICV data to medium.
+
+  * After receiving this SCSI command, adapter shall receive 1028 bytes
+  * and write the later 1024 bytes to medium by WRITE_LONG_DATA TPC
+  * consecutively.
+  *
+  * Since the first 4-bytes data is just only a prefix to original data
+  * that sent by host, and it should be skipped by shifting DMA pointer
+  * before writing 1024 bytes to medium.
+  */
+int mg_set_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       int bufflen;
+#ifdef MG_SET_ICV_SLOW
+       int i;
+#endif
+       unsigned int lun = SCSI_LUN(srb);
+       u8 *buf = NULL;
+
+       RTS51X_DEBUGP("--%s--\n", __func__);
+
+       ms_cleanup_work(chip);
+
+       retval = ms_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       buf = kmalloc(1028, GFP_KERNEL);
+       if (!buf)
+               TRACE_RET(chip, STATUS_NOMEM);
+
+       bufflen = min(1028, (int)scsi_bufflen(srb));
+       rts51x_get_xfer_buf(buf, bufflen, srb);
+
+       retval = mg_send_ex_cmd(chip, MG_SET_IBD, ms_card->mg_entry_num);
+       if (retval != STATUS_SUCCESS) {
+               if (ms_card->mg_auth == 0) {
+                       if ((buf[5] & 0xC0) != 0)
+                               set_sense_type(chip, lun,
+                                       SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB);
+                       else
+                               set_sense_type(chip, lun,
+                                       SENSE_TYPE_MG_WRITE_ERR);
+               } else {
+                       set_sense_type(chip, lun, SENSE_TYPE_MG_WRITE_ERR);
+               }
+               TRACE_GOTO(chip, SetICVFinish);
+       }
+
+#ifdef MG_SET_ICV_SLOW
+       for (i = 0; i < 2; i++) {
+               udelay(50);
+
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TPC, 0xFF,
+                              PRO_WRITE_LONG_DATA);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANS_CFG, 0xFF,
+                              WAIT_INT);
+
+               trans_dma_enable(DMA_TO_DEVICE, chip, 512, DMA_512);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MS_TRANSFER, 0xFF,
+                              MS_TRANSFER_START | MS_TM_NORMAL_WRITE);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, MS_TRANSFER,
+                              MS_TRANSFER_END, MS_TRANSFER_END);
+
+               retval = rts51x_send_cmd(chip, MODE_CDOR, 100);
+               if (retval != STATUS_SUCCESS) {
+                       set_sense_type(chip, lun, SENSE_TYPE_MG_WRITE_ERR);
+                       TRACE_GOTO(chip, SetICVFinish);
+               }
+
+               retval = rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip),
+                                                 buf + 4 + i * 512, 512, 0,
+                                                 NULL, 3000, STAGE_DO);
+               if (retval != STATUS_SUCCESS) {
+                       rts51x_clear_ms_error(chip);
+                       if (ms_card->mg_auth == 0) {
+                               if ((buf[5] & 0xC0) != 0)
+                                       set_sense_type(chip, lun,
+                                               SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB);
+                               else
+                                       set_sense_type(chip, lun,
+                                               SENSE_TYPE_MG_WRITE_ERR);
+                       } else {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MG_WRITE_ERR);
+                       }
+                       retval = STATUS_FAIL;
+                       TRACE_GOTO(chip, SetICVFinish);
+               }
+
+               retval = rts51x_get_rsp(chip, 1, 3000);
+               if (CHECK_MS_TRANS_FAIL(chip, retval)
+                   || mg_check_int_error(chip)) {
+                       rts51x_clear_ms_error(chip);
+                       if (ms_card->mg_auth == 0) {
+                               if ((buf[5] & 0xC0) != 0)
+                                       set_sense_type(chip, lun,
+                                               SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB);
+                               else
+                                       set_sense_type(chip, lun,
+                                               SENSE_TYPE_MG_WRITE_ERR);
+                       } else {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MG_WRITE_ERR);
+                       }
+                       retval = STATUS_FAIL;
+                       TRACE_GOTO(chip, SetICVFinish);
+               }
+       }
+#else
+       retval = ms_transfer_data(chip, MS_TM_AUTO_WRITE, PRO_WRITE_LONG_DATA,
+                                 2, WAIT_INT, 0, 0, buf + 4, 1024);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_ms_error(chip);
+               if (ms_card->mg_auth == 0) {
+                       if ((buf[5] & 0xC0) != 0)
+                               set_sense_type(chip, lun,
+                                       SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB);
+                       else
+                               set_sense_type(chip, lun,
+                                       SENSE_TYPE_MG_WRITE_ERR);
+               } else {
+                       set_sense_type(chip, lun, SENSE_TYPE_MG_WRITE_ERR);
+               }
+               TRACE_GOTO(chip, SetICVFinish);
+       }
+#endif
+
+SetICVFinish:
+       kfree(buf);
+       return retval;
+}
+
+#endif /* SUPPORT_MAGIC_GATE */
diff --git a/drivers/staging/rts5139/ms_mg.h b/drivers/staging/rts5139/ms_mg.h
new file mode 100644 (file)
index 0000000..e2ca550
--- /dev/null
@@ -0,0 +1,41 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_MS_MG_H
+#define __RTS51X_MS_MG_H
+
+#include "rts51x_chip.h"
+#include "ms.h"
+
+int mg_set_leaf_id(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_get_local_EKB(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_get_rsp_chg(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_get_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int mg_set_ICV(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+
+#endif /* __RTS51X_MS_MG_H */
diff --git a/drivers/staging/rts5139/rts51x.c b/drivers/staging/rts5139/rts51x.c
new file mode 100644 (file)
index 0000000..d9cee6d
--- /dev/null
@@ -0,0 +1,967 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+#include <linux/errno.h>
+#include <linux/freezer.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/mutex.h>
+#include <linux/utsname.h>
+#include <linux/usb.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_devinfo.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_host.h>
+
+#include "debug.h"
+#include "ms.h"
+#include "rts51x.h"
+#include "rts51x_chip.h"
+#include "rts51x_card.h"
+#include "rts51x_scsi.h"
+#include "rts51x_transport.h"
+#include "rts51x_fop.h"
+
+MODULE_DESCRIPTION(RTS51X_DESC);
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRIVER_VERSION);
+
+#ifdef SCSI_SCAN_DELAY
+static unsigned int delay_use = 5;
+module_param(delay_use, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(delay_use, "seconds to delay before using a new device");
+#endif
+
+static int auto_delink_en;
+module_param(auto_delink_en, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(auto_delink_en, "enable auto delink");
+
+static int ss_en;
+module_param(ss_en, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ss_en, "enable selective suspend");
+
+static int ss_delay = 50;
+module_param(ss_delay, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ss_delay,
+                "seconds to delay before entering selective suspend");
+
+static int needs_remote_wakeup;
+module_param(needs_remote_wakeup, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(needs_remote_wakeup, "ss state needs remote wakeup supported");
+
+#ifdef SUPPORT_FILE_OP
+static const struct file_operations rts51x_fops = {
+       .owner = THIS_MODULE,
+       .read = rts51x_read,
+       .write = rts51x_write,
+       .unlocked_ioctl = rts51x_ioctl,
+       .open = rts51x_open,
+       .release = rts51x_release,
+};
+
+/*
+ * usb class driver info in order to get a minor number from the usb core,
+ * and to have the device registered with the driver core
+ */
+static struct usb_class_driver rts51x_class = {
+       .name = "rts51x%d",
+       .fops = &rts51x_fops,
+       .minor_base = 192,
+};
+#endif
+
+#ifdef CONFIG_PM               /* Minimal support for suspend and resume */
+
+static inline void usb_autopm_enable(struct usb_interface *intf)
+{
+       atomic_set(&intf->pm_usage_cnt, 1);
+       usb_autopm_put_interface(intf);
+}
+
+static inline void usb_autopm_disable(struct usb_interface *intf)
+{
+       atomic_set(&intf->pm_usage_cnt, 0);
+       usb_autopm_get_interface(intf);
+}
+
+void rts51x_try_to_enter_ss(struct rts51x_chip *chip)
+{
+       RTS51X_DEBUGP("Ready to enter SS state\n");
+       usb_autopm_enable(chip->usb->pusb_intf);
+}
+
+void rts51x_try_to_exit_ss(struct rts51x_chip *chip)
+{
+       RTS51X_DEBUGP("Exit from SS state\n");
+       usb_autopm_disable(chip->usb->pusb_intf);
+}
+
+int rts51x_suspend(struct usb_interface *iface, pm_message_t message)
+{
+       struct rts51x_chip *chip = usb_get_intfdata(iface);
+
+       RTS51X_DEBUGP("%s, message.event = 0x%x\n", __func__, message.event);
+
+       /* Wait until no command is running */
+       mutex_lock(&chip->usb->dev_mutex);
+
+       chip->fake_card_ready = chip->card_ready;
+       rts51x_do_before_power_down(chip);
+
+       if (message.event == PM_EVENT_AUTO_SUSPEND) {
+               RTS51X_DEBUGP("Enter SS state");
+               chip->resume_from_scsi = 0;
+               RTS51X_SET_STAT(chip, STAT_SS);
+       } else {
+               RTS51X_DEBUGP("Enter SUSPEND state");
+               RTS51X_SET_STAT(chip, STAT_SUSPEND);
+       }
+
+       /* When runtime PM is working, we'll set a flag to indicate
+        * whether we should autoresume when a SCSI request arrives. */
+
+       mutex_unlock(&chip->usb->dev_mutex);
+       return 0;
+}
+
+int rts51x_resume(struct usb_interface *iface)
+{
+       struct rts51x_chip *chip = usb_get_intfdata(iface);
+
+       RTS51X_DEBUGP("%s\n", __func__);
+
+       if (!RTS51X_CHK_STAT(chip, STAT_SS) || !chip->resume_from_scsi) {
+               mutex_lock(&chip->usb->dev_mutex);
+
+               if (chip->option.ss_en) {
+                       if (GET_PM_USAGE_CNT(chip) <= 0) {
+                               /* Remote wake up, increase pm_usage_cnt */
+                               RTS51X_DEBUGP("Incr pm_usage_cnt\n");
+                               SET_PM_USAGE_CNT(chip, 1);
+                       }
+               }
+
+               RTS51X_SET_STAT(chip, STAT_RUN);
+
+               rts51x_init_chip(chip);
+               rts51x_init_cards(chip);
+
+               mutex_unlock(&chip->usb->dev_mutex);
+       }
+
+       return 0;
+}
+
+int rts51x_reset_resume(struct usb_interface *iface)
+{
+       struct rts51x_chip *chip = usb_get_intfdata(iface);
+
+       RTS51X_DEBUGP("%s\n", __func__);
+
+       mutex_lock(&chip->usb->dev_mutex);
+
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       if (chip->option.ss_en)
+               SET_PM_USAGE_CNT(chip, 1);
+
+       rts51x_init_chip(chip);
+       rts51x_init_cards(chip);
+
+       mutex_unlock(&chip->usb->dev_mutex);
+
+       /* FIXME: Notify the subdrivers that they need to reinitialize
+        * the device */
+       return 0;
+}
+
+#else /* CONFIG_PM */
+
+void rts51x_try_to_enter_ss(struct rts51x_chip *chip)
+{
+}
+
+void rts51x_try_to_exit_ss(struct rts51x_chip *chip)
+{
+}
+
+#endif /* CONFIG_PM */
+
+/*
+ * The next two routines get called just before and just after
+ * a USB port reset, whether from this driver or a different one.
+ */
+
+int rts51x_pre_reset(struct usb_interface *iface)
+{
+       struct rts51x_chip *chip = usb_get_intfdata(iface);
+
+       RTS51X_DEBUGP("%s\n", __func__);
+
+       /* Make sure no command runs during the reset */
+       mutex_lock(&chip->usb->dev_mutex);
+       return 0;
+}
+
+int rts51x_post_reset(struct usb_interface *iface)
+{
+       struct rts51x_chip *chip = usb_get_intfdata(iface);
+
+       RTS51X_DEBUGP("%s\n", __func__);
+
+       /* Report the reset to the SCSI core */
+       /* usb_stor_report_bus_reset(us); */
+
+       /* FIXME: Notify the subdrivers that they need to reinitialize
+        * the device */
+
+       mutex_unlock(&chip->usb->dev_mutex);
+       return 0;
+}
+
+static int rts51x_control_thread(void *__chip)
+{
+       struct rts51x_chip *chip = (struct rts51x_chip *)__chip;
+       struct Scsi_Host *host = rts51x_to_host(chip);
+
+       for (;;) {
+               if (wait_for_completion_interruptible(&chip->usb->cmnd_ready))
+                       break;
+
+               if (test_bit(FLIDX_DISCONNECTING, &chip->usb->dflags)) {
+                       RTS51X_DEBUGP("-- exiting from rts51x-control\n");
+                       break;
+               }
+
+               /* lock the device pointers */
+               mutex_lock(&(chip->usb->dev_mutex));
+
+               /* lock access to the state */
+               scsi_lock(host);
+
+               /* When we are called with no command pending, we're done */
+               if (chip->srb == NULL) {
+                       scsi_unlock(host);
+                       mutex_unlock(&chip->usb->dev_mutex);
+                       RTS51X_DEBUGP("-- exiting from control thread\n");
+                       break;
+               }
+
+               /* has the command timed out *already* ? */
+               if (test_bit(FLIDX_TIMED_OUT, &chip->usb->dflags)) {
+                       chip->srb->result = DID_ABORT << 16;
+                       goto SkipForAbort;
+               }
+
+               scsi_unlock(host);
+
+               /* reject the command if the direction indicator
+                * is UNKNOWN
+                */
+               if (chip->srb->sc_data_direction == DMA_BIDIRECTIONAL) {
+                       RTS51X_DEBUGP("UNKNOWN data direction\n");
+                       chip->srb->result = DID_ERROR << 16;
+               }
+
+               /* reject if target != 0 or if LUN is higher than
+                * the maximum known LUN
+                */
+               else if (chip->srb->device->id) {
+                       RTS51X_DEBUGP("Bad target number (%d:%d)\n",
+                                      chip->srb->device->id,
+                                      chip->srb->device->lun);
+                       chip->srb->result = DID_BAD_TARGET << 16;
+               }
+
+               else if (chip->srb->device->lun > chip->max_lun) {
+                       RTS51X_DEBUGP("Bad LUN (%d:%d)\n",
+                                      chip->srb->device->id,
+                                      chip->srb->device->lun);
+                       chip->srb->result = DID_BAD_TARGET << 16;
+               }
+
+               /* we've got a command, let's do it! */
+               else {
+                       RTS51X_DEBUG(scsi_show_command(chip->srb));
+                       rts51x_invoke_transport(chip->srb, chip);
+               }
+
+               /* lock access to the state */
+               scsi_lock(host);
+
+               /* indicate that the command is done */
+               if (chip->srb->result != DID_ABORT << 16)
+                       chip->srb->scsi_done(chip->srb);
+               else
+SkipForAbort :
+                       RTS51X_DEBUGP("scsi command aborted\n");
+
+               /* If an abort request was received we need to signal that
+                * the abort has finished.  The proper test for this is
+                * the TIMED_OUT flag, not srb->result == DID_ABORT, because
+                * the timeout might have occurred after the command had
+                * already completed with a different result code. */
+               if (test_bit(FLIDX_TIMED_OUT, &chip->usb->dflags)) {
+                       complete(&(chip->usb->notify));
+
+                       /* Allow USB transfers to resume */
+                       clear_bit(FLIDX_ABORTING, &chip->usb->dflags);
+                       clear_bit(FLIDX_TIMED_OUT, &chip->usb->dflags);
+               }
+
+               /* finished working on this command */
+               chip->srb = NULL;
+               scsi_unlock(host);
+
+               /* unlock the device pointers */
+               mutex_unlock(&chip->usb->dev_mutex);
+       }                       /* for (;;) */
+
+       complete(&chip->usb->control_exit);
+
+       /* Wait until we are told to stop */
+/*     for (;;) {
+               set_current_state(TASK_INTERRUPTIBLE);
+               if (kthread_should_stop())
+                       break;
+               schedule();
+       }
+       __set_current_state(TASK_RUNNING);*/
+       return 0;
+}
+
+static int rts51x_polling_thread(void *__chip)
+{
+       struct rts51x_chip *chip = (struct rts51x_chip *)__chip;
+
+#ifdef SCSI_SCAN_DELAY
+       /* Wait until SCSI scan finished */
+       wait_timeout((delay_use + 5) * HZ);
+#endif
+
+       for (;;) {
+               wait_timeout(POLLING_INTERVAL);
+
+               /* if the device has disconnected, we are free to exit */
+               if (test_bit(FLIDX_DISCONNECTING, &chip->usb->dflags)) {
+                       RTS51X_DEBUGP("-- exiting from rts51x-polling\n");
+                       break;
+               }
+
+               /* if the device has disconnected, we are free to exit */
+               /* if (kthread_should_stop()) {
+                       printk(KERN_INFO "Stop polling thread!\n");
+                       break;
+               } */
+
+#ifdef CONFIG_PM
+               if (RTS51X_CHK_STAT(chip, STAT_SS) ||
+                   RTS51X_CHK_STAT(chip, STAT_SS_PRE) ||
+                   RTS51X_CHK_STAT(chip, STAT_SUSPEND)) {
+                       continue;
+               }
+
+               if (ss_en) {
+                       if (RTS51X_CHK_STAT(chip, STAT_IDLE)) {
+                               if (chip->ss_counter <
+                                   (ss_delay * 1000 / POLLING_INTERVAL)) {
+                                       chip->ss_counter++;
+                               } else {
+                                       /* Prepare SS state */
+                                       RTS51X_SET_STAT(chip, STAT_SS_PRE);
+                                       rts51x_try_to_enter_ss(chip);
+                                       continue;
+                               }
+                       } else {
+                               chip->ss_counter = 0;
+                       }
+               }
+#endif
+
+               mspro_polling_format_status(chip);
+
+               /* lock the device pointers */
+               mutex_lock(&(chip->usb->dev_mutex));
+
+               rts51x_polling_func(chip);
+
+               /* unlock the device pointers */
+               mutex_unlock(&chip->usb->dev_mutex);
+       }                       /* for (;;) */
+
+       complete(&chip->usb->polling_exit);
+
+       /* Wait until we are told to stop */
+       /* for (;;) {
+               set_current_state(TASK_INTERRUPTIBLE);
+               if (kthread_should_stop())
+               break;
+               schedule();
+               }
+       __set_current_state(TASK_RUNNING); */
+       return 0;
+}
+
+#ifdef SCSI_SCAN_DELAY
+/* Thread to carry out delayed SCSI-device scanning */
+static int rts51x_scan_thread(void *__chip)
+{
+       struct rts51x_chip *chip = (struct rts51x_chip *)__chip;
+
+       printk(KERN_DEBUG
+              "rts51x: device found at %d\n", chip->usb->pusb_dev->devnum);
+
+       set_freezable();
+       /* Wait for the timeout to expire or for a disconnect */
+       if (delay_use > 0) {
+               printk(KERN_DEBUG "rts51x: waiting for device "
+                      "to settle before scanning\n");
+               wait_event_freezable_timeout(chip->usb->delay_wait,
+                                            test_bit(FLIDX_DONT_SCAN,
+                                                     &chip->usb->dflags),
+                                            delay_use * HZ);
+       }
+
+       /* If the device is still connected, perform the scanning */
+       if (!test_bit(FLIDX_DONT_SCAN, &chip->usb->dflags)) {
+               scsi_scan_host(rts51x_to_host(chip));
+               printk(KERN_DEBUG "rts51x: device scan complete\n");
+
+               /* Should we unbind if no devices were detected? */
+       }
+
+       complete_and_exit(&chip->usb->scanning_done, 0);
+}
+#endif
+
+/* Associate our private data with the USB device */
+static int associate_dev(struct rts51x_chip *chip, struct usb_interface *intf)
+{
+       struct rts51x_usb *rts51x = chip->usb;
+#ifdef SUPPORT_FILE_OP
+       int retval;
+#endif
+
+       /* Fill in the device-related fields */
+       rts51x->pusb_dev = interface_to_usbdev(intf);
+       rts51x->pusb_intf = intf;
+       rts51x->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
+       RTS51X_DEBUGP("Vendor: 0x%04x, Product: 0x%04x, Revision: 0x%04x\n",
+                      le16_to_cpu(rts51x->pusb_dev->descriptor.idVendor),
+                      le16_to_cpu(rts51x->pusb_dev->descriptor.idProduct),
+                      le16_to_cpu(rts51x->pusb_dev->descriptor.bcdDevice));
+       RTS51X_DEBUGP("Interface Subclass: 0x%02x, Protocol: 0x%02x\n",
+                      intf->cur_altsetting->desc.bInterfaceSubClass,
+                      intf->cur_altsetting->desc.bInterfaceProtocol);
+
+       /* Store our private data in the interface */
+       usb_set_intfdata(intf, chip);
+
+#ifdef SUPPORT_FILE_OP
+       /* we can register the device now, as it is ready */
+       retval = usb_register_dev(intf, &rts51x_class);
+       if (retval) {
+               /* something prevented us from registering this driver */
+               RTS51X_DEBUGP("Not able to get a minor for this device.");
+               usb_set_intfdata(intf, NULL);
+               return -ENOMEM;
+       }
+#endif
+
+       /* Allocate the device-related DMA-mapped buffers */
+       rts51x->cr = usb_buffer_alloc(rts51x->pusb_dev, sizeof(*rts51x->cr),
+                                     GFP_KERNEL, &rts51x->cr_dma);
+       if (!rts51x->cr) {
+               RTS51X_DEBUGP("usb_ctrlrequest allocation failed\n");
+               usb_set_intfdata(intf, NULL);
+               return -ENOMEM;
+       }
+
+       rts51x->iobuf = usb_buffer_alloc(rts51x->pusb_dev, RTS51X_IOBUF_SIZE,
+                                        GFP_KERNEL, &rts51x->iobuf_dma);
+       if (!rts51x->iobuf) {
+               RTS51X_DEBUGP("I/O buffer allocation failed\n");
+               usb_set_intfdata(intf, NULL);
+               return -ENOMEM;
+       }
+       return 0;
+}
+
+static void rts51x_init_options(struct rts51x_chip *chip)
+{
+       struct rts51x_option *option = &(chip->option);
+
+       option->led_blink_speed = 7;
+       option->mspro_formatter_enable = 1;
+
+       option->fpga_sd_sdr104_clk = CLK_100;
+       option->fpga_sd_sdr50_clk = CLK_100;
+       option->fpga_sd_ddr50_clk = CLK_100;
+       option->fpga_sd_hs_clk = CLK_100;
+       option->fpga_mmc_52m_clk = CLK_80;
+       option->fpga_ms_hg_clk = CLK_80;
+       option->fpga_ms_4bit_clk = CLK_80;
+
+       option->asic_sd_sdr104_clk = 98;
+       option->asic_sd_sdr50_clk = 98;
+       option->asic_sd_ddr50_clk = 98;
+       option->asic_sd_hs_clk = 97;
+       option->asic_mmc_52m_clk = 95;
+       option->asic_ms_hg_clk = 116;
+       option->asic_ms_4bit_clk = 77;
+
+       option->sd_ddr_tx_phase = 0;
+       option->mmc_ddr_tx_phase = 1;
+
+       option->sd_speed_prior = 0;
+       option->sd_ctl =
+           SD_PUSH_POINT_AUTO | SD_SAMPLE_POINT_AUTO | SUPPORT_UHS50_MMC44;
+
+       option->ss_en = ss_en;
+       option->ss_delay = ss_delay;
+       option->needs_remote_wakeup = needs_remote_wakeup;
+
+       option->auto_delink_en = auto_delink_en;
+
+       option->FT2_fast_mode = 0;
+       option->pwr_delay = 800;
+       option->xd_rw_step = 0;
+       option->D3318_off_delay = 50;
+       option->delink_delay = 100;
+       option->rts5129_D3318_off_enable = 0;
+       option->sd20_pad_drive = 0;
+       option->reset_or_rw_fail_set_pad_drive = 1;
+       option->rcc_fail_flag = 0;
+       option->rcc_bug_fix_en = 1;
+       option->debounce_num = 2;
+       option->polling_time = 100;
+       option->led_toggle_interval = 6;
+       option->xd_rwn_step = 0;
+       option->sd_send_status_en = 0;
+       option->sdr50_tx_phase = 0x01;
+       option->sdr50_rx_phase = 0x05;
+       option->ddr50_tx_phase = 0x09;
+       option->ddr50_rx_phase = 0x06;
+       option->sdr50_phase_sel = 0;
+       option->sd30_pad_drive = 1;
+       option->ms_errreg_fix = 0;
+       option->reset_mmc_first = 0;
+       option->speed_mmc = 1;
+       option->led_always_on = 0;
+}
+
+/* Get the pipe settings */
+static int get_pipes(struct rts51x_chip *chip)
+{
+       struct rts51x_usb *rts51x = chip->usb;
+       struct usb_host_interface *altsetting =
+           rts51x->pusb_intf->cur_altsetting;
+       int i;
+       struct usb_endpoint_descriptor *ep;
+       struct usb_endpoint_descriptor *ep_in = NULL;
+       struct usb_endpoint_descriptor *ep_out = NULL;
+       struct usb_endpoint_descriptor *ep_int = NULL;
+
+       /*
+        * Find the first endpoint of each type we need.
+        * We are expecting a minimum of 2 endpoints - in and out (bulk).
+        * An optional interrupt-in is OK (necessary for CBI protocol).
+        * We will ignore any others.
+        */
+       for (i = 0; i < altsetting->desc.bNumEndpoints; i++) {
+               ep = &altsetting->endpoint[i].desc;
+
+               if (usb_endpoint_xfer_bulk(ep)) {
+                       if (usb_endpoint_dir_in(ep)) {
+                               if (!ep_in)
+                                       ep_in = ep;
+                       } else {
+                               if (!ep_out)
+                                       ep_out = ep;
+                       }
+               }
+
+               else if (usb_endpoint_is_int_in(ep)) {
+                       if (!ep_int)
+                               ep_int = ep;
+               }
+       }
+
+       if (!ep_in || !ep_out) {
+               RTS51X_DEBUGP("Endpoint sanity check failed!"
+                                       "Rejecting dev.\n");
+               return -EIO;
+       }
+
+       /* Calculate and store the pipe values */
+       rts51x->send_ctrl_pipe = usb_sndctrlpipe(rts51x->pusb_dev, 0);
+       rts51x->recv_ctrl_pipe = usb_rcvctrlpipe(rts51x->pusb_dev, 0);
+       rts51x->send_bulk_pipe = usb_sndbulkpipe(rts51x->pusb_dev,
+                                                usb_endpoint_num(ep_out));
+       rts51x->recv_bulk_pipe = usb_rcvbulkpipe(rts51x->pusb_dev,
+                                                usb_endpoint_num(ep_in));
+       if (ep_int) {
+               rts51x->recv_intr_pipe = usb_rcvintpipe(rts51x->pusb_dev,
+                                                       usb_endpoint_num
+                                                       (ep_int));
+               rts51x->ep_bInterval = ep_int->bInterval;
+       }
+       return 0;
+}
+
+/* Initialize all the dynamic resources we need */
+static int rts51x_acquire_resources(struct rts51x_chip *chip)
+{
+       struct rts51x_usb *rts51x = chip->usb;
+       int retval;
+
+       rts51x->current_urb = usb_alloc_urb(0, GFP_KERNEL);
+       if (!rts51x->current_urb) {
+               RTS51X_DEBUGP("URB allocation failed\n");
+               return -ENOMEM;
+       }
+
+       rts51x->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
+       if (!rts51x->intr_urb) {
+               RTS51X_DEBUGP("URB allocation failed\n");
+               return -ENOMEM;
+       }
+
+       chip->cmd_buf = chip->rsp_buf = rts51x->iobuf;
+
+       rts51x_init_options(chip);
+
+       /* Init rts51xx device */
+       retval = rts51x_init_chip(chip);
+       if (retval != STATUS_SUCCESS)
+               return -EIO;
+
+       return 0;
+}
+
+/* Release all our dynamic resources */
+static void rts51x_release_resources(struct rts51x_chip *chip)
+{
+       RTS51X_DEBUGP("-- %s\n", __func__);
+
+       /* Tell the control thread to exit.  The SCSI host must
+        * already have been removed and the DISCONNECTING flag set
+        * so that we won't accept any more commands.
+        */
+       RTS51X_DEBUGP("-- sending exit command to thread\n");
+       complete(&chip->usb->cmnd_ready);
+       if (chip->usb->ctl_thread)
+               wait_for_completion(&chip->usb->control_exit);
+               /* kthread_stop(chip->usb->ctl_thread); */
+       if (chip->usb->polling_thread)
+               wait_for_completion(&chip->usb->polling_exit);
+
+       /* if (chip->usb->polling_thread)
+               kthread_stop(chip->usb->polling_thread); */
+
+       wait_timeout(200);
+
+       /* Release rts51xx device here */
+       rts51x_release_chip(chip);
+
+       usb_free_urb(chip->usb->current_urb);
+       usb_free_urb(chip->usb->intr_urb);
+}
+
+/* Dissociate from the USB device */
+static void dissociate_dev(struct rts51x_chip *chip)
+{
+       struct rts51x_usb *rts51x = chip->usb;
+
+       RTS51X_DEBUGP("-- %s\n", __func__);
+
+       /* Free the device-related DMA-mapped buffers */
+       if (rts51x->cr)
+               usb_buffer_free(rts51x->pusb_dev, sizeof(*rts51x->cr),
+                               rts51x->cr, rts51x->cr_dma);
+       if (rts51x->iobuf)
+               usb_buffer_free(rts51x->pusb_dev, RTS51X_IOBUF_SIZE,
+                               rts51x->iobuf, rts51x->iobuf_dma);
+
+       /* Remove our private data from the interface */
+       usb_set_intfdata(rts51x->pusb_intf, NULL);
+
+#ifdef SUPPORT_FILE_OP
+       /* give back our minor */
+       usb_deregister_dev(rts51x->pusb_intf, &rts51x_class);
+#endif
+
+       kfree(rts51x);
+       chip->usb = NULL;
+}
+
+/* First stage of disconnect processing: stop SCSI scanning,
+ * remove the host, and stop accepting new commands
+ */
+static void quiesce_and_remove_host(struct rts51x_chip *chip)
+{
+       struct rts51x_usb *rts51x = chip->usb;
+       struct Scsi_Host *host = rts51x_to_host(chip);
+
+       /* If the device is really gone, cut short reset delays */
+       if (rts51x->pusb_dev->state == USB_STATE_NOTATTACHED)
+               set_bit(FLIDX_DISCONNECTING, &rts51x->dflags);
+
+#ifdef SCSI_SCAN_DELAY
+       /* Prevent SCSI-scanning (if it hasn't started yet)
+        * and wait for the SCSI-scanning thread to stop.
+        */
+       set_bit(FLIDX_DONT_SCAN, &rts51x->dflags);
+       wake_up(&rts51x->delay_wait);
+       wait_for_completion(&rts51x->scanning_done);
+#endif
+
+       /* Removing the host will perform an orderly shutdown: caches
+        * synchronized, disks spun down, etc.
+        */
+       scsi_remove_host(host);
+
+       /* Prevent any new commands from being accepted and cut short
+        * reset delays.
+        */
+       scsi_lock(host);
+       set_bit(FLIDX_DISCONNECTING, &rts51x->dflags);
+       scsi_unlock(host);
+#ifdef SCSI_SCAN_DELAY
+       wake_up(&rts51x->delay_wait);
+#endif
+}
+
+/* Second stage of disconnect processing: deallocate all resources */
+static void release_everything(struct rts51x_chip *chip)
+{
+       rts51x_release_resources(chip);
+       dissociate_dev(chip);
+
+       /* Drop our reference to the host; the SCSI core will free it
+        * (and "chip" along with it) when the refcount becomes 0. */
+       scsi_host_put(rts51x_to_host(chip));
+}
+
+static int rts51x_probe(struct usb_interface *intf,
+                       const struct usb_device_id *id)
+{
+       struct Scsi_Host *host;
+       struct rts51x_chip *chip;
+       struct rts51x_usb *rts51x;
+       int result;
+       struct task_struct *th;
+
+       RTS51X_DEBUGP("%s detected\n", RTS51X_NAME);
+
+       rts51x = kzalloc(sizeof(struct rts51x_usb), GFP_KERNEL);
+       if (!rts51x) {
+               printk(KERN_WARNING RTS51X_TIP
+                      "Unable to allocate rts51x_usb\n");
+               return -ENOMEM;
+       }
+
+       /*
+        * Ask the SCSI layer to allocate a host structure, with extra
+        * space at the end for our private us_data structure.
+        */
+       host = scsi_host_alloc(&rts51x_host_template, sizeof(*chip));
+       if (!host) {
+               printk(KERN_WARNING RTS51X_TIP
+                      "Unable to allocate the scsi host\n");
+               kfree(rts51x);
+               return -ENOMEM;
+       }
+
+       /*
+        * Allow 16-byte CDBs and thus > 2TB
+        */
+       host->max_cmd_len = 16;
+       chip = host_to_rts51x(host);
+       memset(chip, 0, sizeof(struct rts51x_chip));
+
+       chip->vendor_id = id->idVendor;
+       chip->product_id = id->idProduct;
+
+       mutex_init(&(rts51x->dev_mutex));
+       init_completion(&rts51x->cmnd_ready);
+       init_completion(&rts51x->control_exit);
+       init_completion(&rts51x->polling_exit);
+       init_completion(&(rts51x->notify));
+#ifdef SCSI_SCAN_DELAY
+       init_waitqueue_head(&rts51x->delay_wait);
+       init_completion(&rts51x->scanning_done);
+#endif
+
+       chip->usb = rts51x;
+
+       /* Associate the us_data structure with the USB device */
+       result = associate_dev(chip, intf);
+       if (result)
+               goto BadDevice;
+
+       /* Find the endpoints and calculate pipe values */
+       result = get_pipes(chip);
+       if (result)
+               goto BadDevice;
+
+       /* Acquire all the other resources and add the host */
+       result = rts51x_acquire_resources(chip);
+       if (result)
+               goto BadDevice;
+
+       /* Start up our control thread */
+       th = kthread_run(rts51x_control_thread, chip, RTS51X_CTL_THREAD);
+       if (IS_ERR(th)) {
+               printk(KERN_WARNING RTS51X_TIP
+                      "Unable to start control thread\n");
+               result = PTR_ERR(th);
+               goto BadDevice;
+       }
+       rts51x->ctl_thread = th;
+
+       result = scsi_add_host(rts51x_to_host(chip), &rts51x->pusb_intf->dev);
+       if (result) {
+               printk(KERN_WARNING RTS51X_TIP "Unable to add the scsi host\n");
+               goto BadDevice;
+       }
+#ifdef SCSI_SCAN_DELAY
+       /* Start up the thread for delayed SCSI-device scanning */
+       th = kthread_create(rts51x_scan_thread, chip, RTS51X_SCAN_THREAD);
+       if (IS_ERR(th)) {
+               printk(KERN_WARNING RTS51X_TIP
+                      "Unable to start the device-scanning thread\n");
+               complete(&rts51x->scanning_done);
+               quiesce_and_remove_host(chip);
+               result = PTR_ERR(th);
+               goto BadDevice;
+       }
+
+       wake_up_process(th);
+#else
+       scsi_scan_host(rts51x_to_host(chip));
+#endif
+
+       /* Start up our polling thread */
+       th = kthread_run(rts51x_polling_thread, chip, RTS51X_POLLING_THREAD);
+       if (IS_ERR(th)) {
+               printk(KERN_WARNING RTS51X_TIP
+                      "Unable to start polling thread\n");
+               result = PTR_ERR(th);
+               goto BadDevice;
+       }
+       rts51x->polling_thread = th;
+
+#ifdef CONFIG_PM
+       if (ss_en) {
+               rts51x->pusb_intf->needs_remote_wakeup = needs_remote_wakeup;
+               SET_PM_USAGE_CNT(chip, 1);
+               RTS51X_DEBUGP("pm_usage_cnt = %d\n", GET_PM_USAGE_CNT(chip));
+       }
+#endif
+
+       return 0;
+
+       /* We come here if there are any problems */
+BadDevice:
+       RTS51X_DEBUGP("rts51x_probe() failed\n");
+       release_everything(chip);
+       return result;
+}
+
+static void rts51x_disconnect(struct usb_interface *intf)
+{
+       struct rts51x_chip *chip = (struct rts51x_chip *)usb_get_intfdata(intf);
+
+       RTS51X_DEBUGP("rts51x_disconnect() called\n");
+       quiesce_and_remove_host(chip);
+       release_everything(chip);
+}
+
+/***********************************************************************
+ * Initialization and registration
+ ***********************************************************************/
+
+struct usb_device_id rts5139_usb_ids[] = {
+       {USB_DEVICE(0x0BDA, 0x0139)},
+       {USB_DEVICE(0x0BDA, 0x0129)},
+       {}                      /* Terminating entry */
+};
+EXPORT_SYMBOL_GPL(rts5139_usb_ids);
+
+MODULE_DEVICE_TABLE(usb, rts5139_usb_ids);
+
+struct usb_driver rts51x_driver = {
+       .name = RTS51X_NAME,
+       .probe = rts51x_probe,
+       .disconnect = rts51x_disconnect,
+       .suspend = rts51x_suspend,
+       .resume = rts51x_resume,
+       .reset_resume = rts51x_reset_resume,
+       .pre_reset = rts51x_pre_reset,
+       .post_reset = rts51x_post_reset,
+       .id_table = rts5139_usb_ids,
+       .soft_unbind = 1,
+};
+
+static int __init rts51x_init(void)
+{
+       int retval;
+
+       printk(KERN_INFO "Initializing %s USB card reader driver...\n",
+              RTS51X_NAME);
+
+       /* register the driver, return usb_register return code if error */
+       retval = usb_register(&rts51x_driver);
+       if (retval == 0) {
+               printk(KERN_INFO
+                      "Realtek %s USB card reader support registered.\n",
+                      RTS51X_NAME);
+       }
+       return retval;
+}
+
+static void __exit rts51x_exit(void)
+{
+       RTS51X_DEBUGP("rts51x_exit() called\n");
+
+       /* Deregister the driver
+        * This will cause disconnect() to be called for each
+        * attached unit
+        */
+       RTS51X_DEBUGP("-- calling usb_deregister()\n");
+       usb_deregister(&rts51x_driver);
+}
+
+module_init(rts51x_init);
+module_exit(rts51x_exit);
diff --git a/drivers/staging/rts5139/rts51x.h b/drivers/staging/rts5139/rts51x.h
new file mode 100644 (file)
index 0000000..9415d5c
--- /dev/null
@@ -0,0 +1,205 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_H
+#define __RTS51X_H
+
+#include <linux/usb.h>
+#include <linux/usb_usual.h>
+#include <linux/blkdev.h>
+#include <linux/completion.h>
+#include <linux/mutex.h>
+#include <linux/cdrom.h>
+#include <linux/kernel.h>
+#include <linux/version.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_devinfo.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_host.h>
+
+#define DRIVER_VERSION         "v1.04"
+
+#define RTS51X_DESC            "Realtek RTS5139/29 USB card reader driver"
+#define RTS51X_NAME            "rts5139"
+#define RTS51X_CTL_THREAD      "rts5139-control"
+#define RTS51X_SCAN_THREAD     "rts5139-scan"
+#define RTS51X_POLLING_THREAD  "rts5139-polling"
+
+#define POLLING_IN_THREAD
+/* #define SCSI_SCAN_DELAY */
+#define SUPPORT_FILE_OP
+
+#define wait_timeout_x(task_state, msecs)      \
+do {                                           \
+       set_current_state((task_state));        \
+       schedule_timeout((msecs) * HZ / 1000);  \
+} while (0)
+
+#define wait_timeout(msecs)    wait_timeout_x(TASK_INTERRUPTIBLE, (msecs))
+
+#define SCSI_LUN(srb)          ((srb)->device->lun)
+
+/* Size of the DMA-mapped I/O buffer */
+#define RTS51X_IOBUF_SIZE      1024
+/* Size of the autosense data buffer */
+#define RTS51X_SENSE_SIZE      18
+
+/* Dynamic bitflag definitions (dflags): used in set_bit() etc. */
+#define FLIDX_URB_ACTIVE       0       /* current_urb is in use    */
+#define FLIDX_SG_ACTIVE                1       /* current_sg is in use     */
+#define FLIDX_ABORTING         2       /* abort is in progress     */
+#define FLIDX_DISCONNECTING    3       /* disconnect in progress   */
+#define FLIDX_RESETTING                4       /* device reset in progress */
+#define FLIDX_TIMED_OUT                5       /* SCSI midlayer timed out  */
+#define FLIDX_DONT_SCAN                6       /* don't scan (disconnect)  */
+
+struct rts51x_chip;
+
+struct rts51x_usb {
+       /* The device we're working with
+        * It's important to note:
+        *    (o) you must hold dev_mutex to change pusb_dev
+        */
+       struct mutex dev_mutex; /* protect pusb_dev */
+       struct usb_device *pusb_dev;    /* this usb_device */
+       struct usb_interface *pusb_intf;        /* this interface */
+
+       unsigned long dflags;   /* dynamic atomic bitflags */
+
+       unsigned int send_bulk_pipe;    /* cached pipe values */
+       unsigned int recv_bulk_pipe;
+       unsigned int send_ctrl_pipe;
+       unsigned int recv_ctrl_pipe;
+       unsigned int recv_intr_pipe;
+
+       u8 ifnum;               /* interface number   */
+       u8 ep_bInterval;        /* interrupt interval */
+
+       /* control and bulk communications data */
+       struct urb *current_urb;        /* USB requests         */
+       struct urb *intr_urb;   /* Interrupt USB request */
+       struct usb_ctrlrequest *cr;     /* control requests     */
+       struct usb_sg_request current_sg;       /* scatter-gather req.  */
+       unsigned char *iobuf;   /* I/O buffer           */
+       dma_addr_t cr_dma;      /* buffer DMA addresses */
+       dma_addr_t iobuf_dma;
+       struct task_struct *ctl_thread; /* the control thread   */
+       struct task_struct *polling_thread;     /* the polling thread   */
+
+       /* mutual exclusion and synchronization structures */
+       struct completion cmnd_ready;   /* to sleep thread on      */
+       struct completion control_exit; /* control thread exit     */
+       struct completion polling_exit; /* polling thread exit     */
+       struct completion notify;       /* thread begin/end        */
+#ifdef SCSI_SCAN_DELAY
+       wait_queue_head_t delay_wait;   /* wait during scan, reset */
+       struct completion scanning_done;        /* wait for scan thread    */
+#endif
+};
+
+extern struct usb_driver rts51x_driver;
+
+static inline void get_current_time(u8 *timeval_buf, int buf_len)
+{
+       struct timeval tv;
+
+       if (!timeval_buf || (buf_len < 8))
+               return;
+
+       do_gettimeofday(&tv);
+
+       timeval_buf[0] = (u8) (tv.tv_sec >> 24);
+       timeval_buf[1] = (u8) (tv.tv_sec >> 16);
+       timeval_buf[2] = (u8) (tv.tv_sec >> 8);
+       timeval_buf[3] = (u8) (tv.tv_sec);
+       timeval_buf[4] = (u8) (tv.tv_usec >> 24);
+       timeval_buf[5] = (u8) (tv.tv_usec >> 16);
+       timeval_buf[6] = (u8) (tv.tv_usec >> 8);
+       timeval_buf[7] = (u8) (tv.tv_usec);
+}
+
+#define SND_CTRL_PIPE(chip)    ((chip)->usb->send_ctrl_pipe)
+#define RCV_CTRL_PIPE(chip)    ((chip)->usb->recv_ctrl_pipe)
+#define SND_BULK_PIPE(chip)    ((chip)->usb->send_bulk_pipe)
+#define RCV_BULK_PIPE(chip)    ((chip)->usb->recv_bulk_pipe)
+#define RCV_INTR_PIPE(chip)    ((chip)->usb->recv_intr_pipe)
+
+/* The scsi_lock() and scsi_unlock() macros protect the sm_state and the
+ * single queue element srb for write access */
+#define scsi_unlock(host)      spin_unlock_irq(host->host_lock)
+#define scsi_lock(host)                spin_lock_irq(host->host_lock)
+
+#define GET_PM_USAGE_CNT(chip) \
+       atomic_read(&((chip)->usb->pusb_intf->pm_usage_cnt))
+#define SET_PM_USAGE_CNT(chip, cnt)    \
+       atomic_set(&((chip)->usb->pusb_intf->pm_usage_cnt), (cnt))
+
+/* Compatible macros while we switch over */
+static inline void *usb_buffer_alloc(struct usb_device *dev, size_t size,
+                                    gfp_t mem_flags, dma_addr_t *dma)
+{
+       return usb_alloc_coherent(dev, size, mem_flags, dma);
+}
+
+static inline void usb_buffer_free(struct usb_device *dev, size_t size,
+                                  void *addr, dma_addr_t dma)
+{
+       return usb_free_coherent(dev, size, addr, dma);
+}
+
+/* Convert between us_data and the corresponding Scsi_Host */
+static inline struct Scsi_Host *rts51x_to_host(struct rts51x_chip *chip)
+{
+       return container_of((void *)chip, struct Scsi_Host, hostdata);
+}
+
+static inline struct rts51x_chip *host_to_rts51x(struct Scsi_Host *host)
+{
+       return (struct rts51x_chip *)(host->hostdata);
+}
+
+/* struct scsi_cmnd transfer buffer access utilities */
+enum xfer_buf_dir { TO_XFER_BUF, FROM_XFER_BUF };
+
+/* General routines provided by the usb-storage standard core */
+#ifdef CONFIG_PM
+void rts51x_try_to_enter_ss(struct rts51x_chip *chip);
+void rts51x_try_to_exit_ss(struct rts51x_chip *chip);
+int rts51x_suspend(struct usb_interface *iface, pm_message_t message);
+int rts51x_resume(struct usb_interface *iface);
+int rts51x_reset_resume(struct usb_interface *iface);
+#else
+#define rts51x_suspend         NULL
+#define rts51x_resume          NULL
+#define rts51x_reset_resume    NULL
+#endif
+
+extern struct scsi_host_template rts51x_host_template;
+
+#endif /* __RTS51X_H */
diff --git a/drivers/staging/rts5139/rts51x_card.c b/drivers/staging/rts5139/rts51x_card.c
new file mode 100644 (file)
index 0000000..424a845
--- /dev/null
@@ -0,0 +1,986 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_device.h>
+
+#include "debug.h"
+#include "rts51x.h"
+#include "rts51x_chip.h"
+#include "rts51x_card.h"
+#include "rts51x_transport.h"
+#include "rts51x_sys.h"
+#include "xd.h"
+#include "sd.h"
+#include "ms.h"
+
+void do_remaining_work(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       struct xd_info *xd_card = &(chip->xd_card);
+       struct ms_info *ms_card = &(chip->ms_card);
+
+       if (chip->card_ready & SD_CARD) {
+               if (sd_card->seq_mode) {
+                       RTS51X_SET_STAT(chip, STAT_RUN);
+                       sd_card->counter++;
+               } else {
+                       sd_card->counter = 0;
+               }
+       }
+
+       if (chip->card_ready & XD_CARD) {
+               if (xd_card->delay_write.delay_write_flag) {
+                       RTS51X_SET_STAT(chip, STAT_RUN);
+                       xd_card->counter++;
+               } else {
+                       xd_card->counter = 0;
+               }
+       }
+
+       if (chip->card_ready & MS_CARD) {
+               if (CHK_MSPRO(ms_card)) {
+                       if (ms_card->seq_mode) {
+                               RTS51X_SET_STAT(chip, STAT_RUN);
+                               ms_card->counter++;
+                       } else {
+                               ms_card->counter = 0;
+                       }
+               } else {
+                       if (ms_card->delay_write.delay_write_flag) {
+                               RTS51X_SET_STAT(chip, STAT_RUN);
+                               ms_card->counter++;
+                       } else {
+                               ms_card->counter = 0;
+                       }
+               }
+       }
+
+       if (sd_card->counter > POLLING_WAIT_CNT)
+               sd_cleanup_work(chip);
+
+       if (xd_card->counter > POLLING_WAIT_CNT)
+               xd_cleanup_work(chip);
+
+       if (ms_card->counter > POLLING_WAIT_CNT)
+               ms_cleanup_work(chip);
+}
+
+void do_reset_xd_card(struct rts51x_chip *chip)
+{
+       int retval;
+
+       if (chip->card2lun[XD_CARD] >= MAX_ALLOWED_LUN_CNT)
+               return;
+
+       retval = reset_xd_card(chip);
+       if (retval == STATUS_SUCCESS) {
+               chip->card_ready |= XD_CARD;
+               chip->card_fail &= ~XD_CARD;
+               chip->rw_card[chip->card2lun[XD_CARD]] = xd_rw;
+       } else {
+               chip->card_ready &= ~XD_CARD;
+               chip->card_fail |= XD_CARD;
+               chip->capacity[chip->card2lun[XD_CARD]] = 0;
+               chip->rw_card[chip->card2lun[XD_CARD]] = NULL;
+
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, XD_CLK_EN, 0);
+               rts51x_send_cmd(chip, MODE_C, 100);
+       }
+}
+
+void do_reset_sd_card(struct rts51x_chip *chip)
+{
+       int retval;
+
+       if (chip->card2lun[SD_CARD] >= MAX_ALLOWED_LUN_CNT)
+               return;
+
+       retval = reset_sd_card(chip);
+       if (retval == STATUS_SUCCESS) {
+               chip->card_ready |= SD_CARD;
+               chip->card_fail &= ~SD_CARD;
+               chip->rw_card[chip->card2lun[SD_CARD]] = sd_rw;
+       } else {
+               chip->card_ready &= ~SD_CARD;
+               chip->card_fail |= SD_CARD;
+               chip->capacity[chip->card2lun[SD_CARD]] = 0;
+               chip->rw_card[chip->card2lun[SD_CARD]] = NULL;
+
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, SD_OUTPUT_EN, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, SD_CLK_EN, 0);
+               rts51x_send_cmd(chip, MODE_C, 100);
+       }
+}
+
+void do_reset_ms_card(struct rts51x_chip *chip)
+{
+       int retval;
+
+       if (chip->card2lun[MS_CARD] >= MAX_ALLOWED_LUN_CNT)
+               return;
+
+       retval = reset_ms_card(chip);
+       if (retval == STATUS_SUCCESS) {
+               chip->card_ready |= MS_CARD;
+               chip->card_fail &= ~MS_CARD;
+               chip->rw_card[chip->card2lun[MS_CARD]] = ms_rw;
+       } else {
+               chip->card_ready &= ~MS_CARD;
+               chip->card_fail |= MS_CARD;
+               chip->capacity[chip->card2lun[MS_CARD]] = 0;
+               chip->rw_card[chip->card2lun[MS_CARD]] = NULL;
+
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, MS_OUTPUT_EN, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, MS_CLK_EN, 0);
+               rts51x_send_cmd(chip, MODE_C, 100);
+       }
+}
+
+void card_cd_debounce(struct rts51x_chip *chip, u8 *need_reset,
+                     u8 *need_release)
+{
+       int retval;
+       u8 release_map = 0, reset_map = 0;
+       u8 value;
+
+       retval = rts51x_get_card_status(chip, &(chip->card_status));
+#ifdef SUPPORT_OCP
+       chip->ocp_stat = (chip->card_status >> 4) & 0x03;
+#endif
+
+       if (retval != STATUS_SUCCESS)
+               goto Exit_Debounce;
+
+       if (chip->card_exist) {
+               rts51x_clear_start_time(chip);
+               retval = rts51x_read_register(chip, CARD_INT_PEND, &value);
+               if (retval != STATUS_SUCCESS) {
+                       rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH,
+                                                 FIFO_FLUSH);
+                       rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8);
+                       value = 0;
+               }
+
+               if (chip->card_exist & XD_CARD) {
+                       if (!(chip->card_status & XD_CD))
+                               release_map |= XD_CARD;
+               } else if (chip->card_exist & SD_CARD) {
+                       /* if (!(chip->card_status & SD_CD)) { */
+                       if (!(chip->card_status & SD_CD) || (value & SD_INT))
+                               release_map |= SD_CARD;
+               } else if (chip->card_exist & MS_CARD) {
+                       /* if (!(chip->card_status & MS_CD)) { */
+                       if (!(chip->card_status & MS_CD) || (value & MS_INT))
+                               release_map |= MS_CARD;
+               }
+       } else {
+               if (chip->card_status & XD_CD) {
+                       rts51x_clear_start_time(chip);
+                       reset_map |= XD_CARD;
+               } else if (chip->card_status & SD_CD) {
+                       rts51x_clear_start_time(chip);
+                       reset_map |= SD_CARD;
+               } else if (chip->card_status & MS_CD) {
+                       rts51x_clear_start_time(chip);
+                       reset_map |= MS_CARD;
+               } else {
+                       if (rts51x_check_start_time(chip))
+                               rts51x_set_start_time(chip);
+               }
+       }
+
+       if (CHECK_PKG(chip, QFN24) && reset_map) {
+               if (chip->card_exist & XD_CARD) {
+                       reset_map = 0;
+                       goto Exit_Debounce;
+               }
+       }
+
+       if (reset_map) {
+               int xd_cnt = 0, sd_cnt = 0, ms_cnt = 0;
+               int i;
+
+               for (i = 0; i < (chip->option.debounce_num); i++) {
+                       retval =
+                           rts51x_get_card_status(chip, &(chip->card_status));
+                       if (retval != STATUS_SUCCESS) {
+                               reset_map = release_map = 0;
+                               goto Exit_Debounce;
+                       }
+                       if (chip->card_status & XD_CD)
+                               xd_cnt++;
+                       else
+                               xd_cnt = 0;
+                       if (chip->card_status & SD_CD)
+                               sd_cnt++;
+                       else
+                               sd_cnt = 0;
+                       if (chip->card_status & MS_CD)
+                               ms_cnt++;
+                       else
+                               ms_cnt = 0;
+                       wait_timeout(30);
+               }
+
+               reset_map = 0;
+               if (!(chip->card_exist & XD_CARD)
+                   && (xd_cnt > (chip->option.debounce_num - 1))) {
+                       reset_map |= XD_CARD;
+               }
+               if (!(chip->card_exist & SD_CARD)
+                   && (sd_cnt > (chip->option.debounce_num - 1))) {
+                       reset_map |= SD_CARD;
+               }
+               if (!(chip->card_exist & MS_CARD)
+                   && (ms_cnt > (chip->option.debounce_num - 1))) {
+                       reset_map |= MS_CARD;
+               }
+       }
+       rts51x_write_register(chip, CARD_INT_PEND, XD_INT | MS_INT | SD_INT,
+                             XD_INT | MS_INT | SD_INT);
+
+Exit_Debounce:
+       if (need_reset)
+               *need_reset = reset_map;
+       if (need_release)
+               *need_release = release_map;
+}
+
+void rts51x_init_cards(struct rts51x_chip *chip)
+{
+       u8 need_reset = 0, need_release = 0;
+
+       card_cd_debounce(chip, &need_reset, &need_release);
+
+       if (need_release) {
+               RTS51X_DEBUGP("need_release = 0x%x\n", need_release);
+
+               rts51x_prepare_run(chip);
+               RTS51X_SET_STAT(chip, STAT_RUN);
+
+#ifdef SUPPORT_OCP
+               if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) {
+                       rts51x_write_register(chip, OCPCTL, MS_OCP_CLEAR,
+                                             MS_OCP_CLEAR);
+                       chip->ocp_stat = 0;
+                       RTS51X_DEBUGP("Clear OCP status.\n");
+               }
+#endif
+
+               if (need_release & XD_CARD) {
+                       chip->card_exist &= ~XD_CARD;
+                       chip->card_ejected = 0;
+                       if (chip->card_ready & XD_CARD) {
+                               release_xd_card(chip);
+                               chip->rw_card[chip->card2lun[XD_CARD]] = NULL;
+                               clear_bit(chip->card2lun[XD_CARD],
+                                         &(chip->lun_mc));
+                       }
+               }
+
+               if (need_release & SD_CARD) {
+                       chip->card_exist &= ~SD_CARD;
+                       chip->card_ejected = 0;
+                       if (chip->card_ready & SD_CARD) {
+                               release_sd_card(chip);
+                               chip->rw_card[chip->card2lun[SD_CARD]] = NULL;
+                               clear_bit(chip->card2lun[SD_CARD],
+                                         &(chip->lun_mc));
+                       }
+               }
+
+               if (need_release & MS_CARD) {
+                       chip->card_exist &= ~MS_CARD;
+                       chip->card_ejected = 0;
+                       if (chip->card_ready & MS_CARD) {
+                               release_ms_card(chip);
+                               chip->rw_card[chip->card2lun[MS_CARD]] = NULL;
+                               clear_bit(chip->card2lun[MS_CARD],
+                                         &(chip->lun_mc));
+                       }
+               }
+       }
+
+       if (need_reset && !chip->card_ready) {
+               RTS51X_DEBUGP("need_reset = 0x%x\n", need_reset);
+
+               rts51x_prepare_run(chip);
+               RTS51X_SET_STAT(chip, STAT_RUN);
+
+               if (need_reset & XD_CARD) {
+                       chip->card_exist |= XD_CARD;
+                       do_reset_xd_card(chip);
+               } else if (need_reset & SD_CARD) {
+                       chip->card_exist |= SD_CARD;
+                       do_reset_sd_card(chip);
+               } else if (need_reset & MS_CARD) {
+                       chip->card_exist |= MS_CARD;
+                       do_reset_ms_card(chip);
+               }
+       }
+}
+
+void rts51x_release_cards(struct rts51x_chip *chip)
+{
+       if (chip->card_ready & SD_CARD) {
+               sd_cleanup_work(chip);
+               release_sd_card(chip);
+               chip->card_ready &= ~SD_CARD;
+       }
+
+       if (chip->card_ready & XD_CARD) {
+               xd_cleanup_work(chip);
+               release_xd_card(chip);
+               chip->card_ready &= ~XD_CARD;
+       }
+
+       if (chip->card_ready & MS_CARD) {
+               ms_cleanup_work(chip);
+               release_ms_card(chip);
+               chip->card_ready &= ~MS_CARD;
+       }
+}
+
+static inline u8 double_depth(u8 depth)
+{
+       return ((depth > 1) ? (depth - 1) : depth);
+}
+
+int switch_ssc_clock(struct rts51x_chip *chip, int clk)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       struct ms_info *ms_card = &(chip->ms_card);
+       int retval;
+       u8 N = (u8) (clk - 2), min_N, max_N;
+       u8 mcu_cnt, div, max_div, ssc_depth;
+       int sd_vpclk_phase_reset = 0;
+
+       if (chip->cur_clk == clk)
+               return STATUS_SUCCESS;
+
+       min_N = 60;
+       max_N = 120;
+       max_div = CLK_DIV_4;
+
+       RTS51X_DEBUGP("Switch SSC clock to %dMHz\n", clk);
+
+       if ((clk <= 2) || (N > max_N))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       mcu_cnt = (u8) (60 / clk + 3);
+       if (mcu_cnt > 15)
+               mcu_cnt = 15;
+       /* To make sure that the SSC clock div_n is
+        * equal or greater than min_N */
+       div = CLK_DIV_1;
+       while ((N < min_N) && (div < max_div)) {
+               N = (N + 2) * 2 - 2;
+               div++;
+       }
+       RTS51X_DEBUGP("N = %d, div = %d\n", N, div);
+
+       if (chip->option.ssc_en) {
+               if (chip->cur_card == SD_CARD) {
+                       if (CHK_SD_SDR104(sd_card)) {
+                               ssc_depth = chip->option.ssc_depth_sd_sdr104;
+                       } else if (CHK_SD_SDR50(sd_card)) {
+                               ssc_depth = chip->option.ssc_depth_sd_sdr50;
+                       } else if (CHK_SD_DDR50(sd_card)) {
+                               ssc_depth =
+                                   double_depth(chip->option.
+                                                ssc_depth_sd_ddr50);
+                       } else if (CHK_SD_HS(sd_card)) {
+                               ssc_depth =
+                                   double_depth(chip->option.ssc_depth_sd_hs);
+                       } else if (CHK_MMC_52M(sd_card)
+                                  || CHK_MMC_DDR52(sd_card)) {
+                               ssc_depth =
+                                   double_depth(chip->option.
+                                                ssc_depth_mmc_52m);
+                       } else {
+                               ssc_depth =
+                                   double_depth(chip->option.
+                                                ssc_depth_low_speed);
+                       }
+               } else if (chip->cur_card == MS_CARD) {
+                       if (CHK_MSPRO(ms_card)) {
+                               if (CHK_HG8BIT(ms_card)) {
+                                       ssc_depth =
+                                           double_depth(chip->option.
+                                                        ssc_depth_ms_hg);
+                               } else {
+                                       ssc_depth =
+                                           double_depth(chip->option.
+                                                        ssc_depth_ms_4bit);
+                               }
+                       } else {
+                               if (CHK_MS4BIT(ms_card)) {
+                                       ssc_depth =
+                                           double_depth(chip->option.
+                                                        ssc_depth_ms_4bit);
+                               } else {
+                                       ssc_depth =
+                                           double_depth(chip->option.
+                                                        ssc_depth_low_speed);
+                               }
+                       }
+               } else {
+                       ssc_depth =
+                           double_depth(chip->option.ssc_depth_low_speed);
+               }
+
+               if (ssc_depth) {
+                       if (div == CLK_DIV_2) {
+                               /* If clock divided by 2, ssc depth must
+                                * be multiplied by 2 */
+                               if (ssc_depth > 1)
+                                       ssc_depth -= 1;
+                               else
+                                       ssc_depth = SSC_DEPTH_2M;
+                       } else if (div == CLK_DIV_4) {
+                               /* If clock divided by 4, ssc depth must
+                                * be multiplied by 4 */
+                               if (ssc_depth > 2)
+                                       ssc_depth -= 2;
+                               else
+                                       ssc_depth = SSC_DEPTH_2M;
+                       }
+               }
+       } else {
+               /* Disable SSC */
+               ssc_depth = 0;
+       }
+
+       RTS51X_DEBUGP("ssc_depth = %d\n", ssc_depth);
+
+       rts51x_init_cmd(chip);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, CLK_CHANGE);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, 0x3F,
+                      (div << 4) | mcu_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_CTL1, SSC_RSTB, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_CTL2, SSC_DEPTH_MASK,
+                      ssc_depth);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_DIV_N_0, 0xFF, N);
+       if (sd_vpclk_phase_reset) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL,
+                              PHASE_NOT_RESET, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL,
+                              PHASE_NOT_RESET, PHASE_NOT_RESET);
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_C, 2000);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       if (chip->option.ssc_en && ssc_depth)
+               rts51x_write_register(chip, SSC_CTL1, 0xff, 0xD0);
+       else
+               rts51x_write_register(chip, SSC_CTL1, 0xff, 0x50);
+       udelay(100);
+       RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, 0);
+
+       chip->cur_clk = clk;
+
+       return STATUS_SUCCESS;
+}
+
+int switch_normal_clock(struct rts51x_chip *chip, int clk)
+{
+       int retval;
+       u8 sel, div, mcu_cnt;
+       int sd_vpclk_phase_reset = 0;
+
+       if (chip->cur_clk == clk)
+               return STATUS_SUCCESS;
+
+       if (chip->cur_card == SD_CARD) {
+               struct sd_info *sd_card = &(chip->sd_card);
+               if (CHK_SD30_SPEED(sd_card) || CHK_MMC_DDR52(sd_card))
+                       sd_vpclk_phase_reset = 1;
+       }
+
+       switch (clk) {
+       case CLK_20:
+               RTS51X_DEBUGP("Switch clock to 20MHz\n");
+               sel = SSC_80;
+               div = CLK_DIV_4;
+               mcu_cnt = 5;
+               break;
+
+       case CLK_30:
+               RTS51X_DEBUGP("Switch clock to 30MHz\n");
+               sel = SSC_60;
+               div = CLK_DIV_2;
+               mcu_cnt = 4;
+               break;
+
+       case CLK_40:
+               RTS51X_DEBUGP("Switch clock to 40MHz\n");
+               sel = SSC_80;
+               div = CLK_DIV_2;
+               mcu_cnt = 3;
+               break;
+
+       case CLK_50:
+               RTS51X_DEBUGP("Switch clock to 50MHz\n");
+               sel = SSC_100;
+               div = CLK_DIV_2;
+               mcu_cnt = 3;
+               break;
+
+       case CLK_60:
+               RTS51X_DEBUGP("Switch clock to 60MHz\n");
+               sel = SSC_60;
+               div = CLK_DIV_1;
+               mcu_cnt = 3;
+               break;
+
+       case CLK_80:
+               RTS51X_DEBUGP("Switch clock to 80MHz\n");
+               sel = SSC_80;
+               div = CLK_DIV_1;
+               mcu_cnt = 2;
+               break;
+
+       case CLK_100:
+               RTS51X_DEBUGP("Switch clock to 100MHz\n");
+               sel = SSC_100;
+               div = CLK_DIV_1;
+               mcu_cnt = 2;
+               break;
+
+       /* case CLK_120:
+               RTS51X_DEBUGP("Switch clock to 120MHz\n");
+               sel = SSC_120;
+               div = CLK_DIV_1;
+               mcu_cnt = 2;
+               break;
+
+       case CLK_150:
+               RTS51X_DEBUGP("Switch clock to 150MHz\n");
+               sel = SSC_150;
+               div = CLK_DIV_1;
+               mcu_cnt = 2;
+               break; */
+
+       default:
+               RTS51X_DEBUGP("Try to switch to an illegal clock (%d)\n",
+                              clk);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (!sd_vpclk_phase_reset) {
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE,
+                              CLK_CHANGE);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, 0x3F,
+                              (div << 4) | mcu_cnt);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_CLK_FPGA_SEL, 0xFF,
+                              sel);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE, 0);
+
+               retval = rts51x_send_cmd(chip, MODE_C, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       } else {
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, CLK_CHANGE,
+                              CLK_CHANGE);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL,
+                              PHASE_NOT_RESET, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK1_CTL,
+                              PHASE_NOT_RESET, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CLK_DIV, 0x3F,
+                              (div << 4) | mcu_cnt);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SSC_CLK_FPGA_SEL, 0xFF,
+                              sel);
+
+               retval = rts51x_send_cmd(chip, MODE_C, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               udelay(200);
+
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK0_CTL,
+                              PHASE_NOT_RESET, PHASE_NOT_RESET);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_VPCLK1_CTL,
+                              PHASE_NOT_RESET, PHASE_NOT_RESET);
+
+               retval = rts51x_send_cmd(chip, MODE_C, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               udelay(200);
+
+               RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, 0);
+       }
+
+       chip->cur_clk = clk;
+
+       return STATUS_SUCCESS;
+}
+
+int card_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 sec_addr,
+           u16 sec_cnt)
+{
+       int retval;
+       unsigned int lun = SCSI_LUN(srb);
+       int i;
+
+       if (chip->rw_card[lun] == NULL)
+               return STATUS_FAIL;
+
+       RTS51X_DEBUGP("%s card, sector addr: 0x%x, sector cnt: %d\n",
+                      (srb->sc_data_direction ==
+                       DMA_TO_DEVICE) ? "Write" : "Read", sec_addr, sec_cnt);
+
+       chip->rw_need_retry = 0;
+       for (i = 0; i < 3; i++) {
+               retval = chip->rw_card[lun] (srb, chip, sec_addr, sec_cnt);
+               if (retval != STATUS_SUCCESS) {
+                       CATCH_TRIGGER(chip);
+                       if (chip->option.reset_or_rw_fail_set_pad_drive) {
+                               rts51x_write_register(chip, CARD_DRIVE_SEL,
+                                                     SD20_DRIVE_MASK,
+                                                     DRIVE_8mA);
+                       }
+               }
+
+               if (!chip->rw_need_retry)
+                       break;
+
+               RTS51X_DEBUGP("Retry RW, (i = %d\n)", i);
+       }
+
+       return retval;
+}
+
+u8 get_lun_card(struct rts51x_chip *chip, unsigned int lun)
+{
+       if ((chip->card_ready & chip->lun2card[lun]) == XD_CARD)
+               return (u8) XD_CARD;
+       else if ((chip->card_ready & chip->lun2card[lun]) == SD_CARD)
+               return (u8) SD_CARD;
+       else if ((chip->card_ready & chip->lun2card[lun]) == MS_CARD)
+               return (u8) MS_CARD;
+
+       return 0;
+}
+
+int card_share_mode(struct rts51x_chip *chip, int card)
+{
+       u8 value;
+
+       if (card == SD_CARD)
+               value = CARD_SHARE_SD;
+       else if (card == MS_CARD)
+               value = CARD_SHARE_MS;
+       else if (card == XD_CARD)
+               value = CARD_SHARE_XD;
+       else
+               TRACE_RET(chip, STATUS_FAIL);
+
+       RTS51X_WRITE_REG(chip, CARD_SHARE_MODE, CARD_SHARE_MASK, value);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_select_card(struct rts51x_chip *chip, int card)
+{
+       int retval;
+
+       if (chip->cur_card != card) {
+               u8 mod;
+
+               if (card == SD_CARD)
+                       mod = SD_MOD_SEL;
+               else if (card == MS_CARD)
+                       mod = MS_MOD_SEL;
+               else if (card == XD_CARD)
+                       mod = XD_MOD_SEL;
+               else
+                       TRACE_RET(chip, STATUS_FAIL);
+               RTS51X_WRITE_REG(chip, CARD_SELECT, 0x07, mod);
+               chip->cur_card = card;
+
+               retval = card_share_mode(chip, card);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+void eject_card(struct rts51x_chip *chip, unsigned int lun)
+{
+       RTS51X_DEBUGP("eject card\n");
+       RTS51X_SET_STAT(chip, STAT_RUN);
+       do_remaining_work(chip);
+
+       if ((chip->card_ready & chip->lun2card[lun]) == SD_CARD) {
+               release_sd_card(chip);
+               chip->card_ejected |= SD_CARD;
+               chip->card_ready &= ~SD_CARD;
+               chip->capacity[lun] = 0;
+       } else if ((chip->card_ready & chip->lun2card[lun]) == XD_CARD) {
+               release_xd_card(chip);
+               chip->card_ejected |= XD_CARD;
+               chip->card_ready &= ~XD_CARD;
+               chip->capacity[lun] = 0;
+       } else if ((chip->card_ready & chip->lun2card[lun]) == MS_CARD) {
+               release_ms_card(chip);
+               chip->card_ejected |= MS_CARD;
+               chip->card_ready &= ~MS_CARD;
+               chip->capacity[lun] = 0;
+       }
+       rts51x_write_register(chip, CARD_INT_PEND, XD_INT | MS_INT | SD_INT,
+                             XD_INT | MS_INT | SD_INT);
+}
+
+void trans_dma_enable(enum dma_data_direction dir, struct rts51x_chip *chip,
+                     u32 byte_cnt, u8 pack_size)
+{
+       if (pack_size > DMA_1024)
+               pack_size = DMA_512;
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      RING_BUFFER);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_TC3, 0xFF,
+                      (u8) (byte_cnt >> 24));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_TC2, 0xFF,
+                      (u8) (byte_cnt >> 16));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_TC1, 0xFF,
+                      (u8) (byte_cnt >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_TC0, 0xFF, (u8) byte_cnt);
+
+       if (dir == DMA_FROM_DEVICE) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_CTL,
+                              0x03 | DMA_PACK_SIZE_MASK,
+                              DMA_DIR_FROM_CARD | DMA_EN | pack_size);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, MC_DMA_CTL,
+                              0x03 | DMA_PACK_SIZE_MASK,
+                              DMA_DIR_TO_CARD | DMA_EN | pack_size);
+       }
+}
+
+int enable_card_clock(struct rts51x_chip *chip, u8 card)
+{
+       u8 clk_en = 0;
+
+       if (card & XD_CARD)
+               clk_en |= XD_CLK_EN;
+       if (card & SD_CARD)
+               clk_en |= SD_CLK_EN;
+       if (card & MS_CARD)
+               clk_en |= MS_CLK_EN;
+
+       RTS51X_WRITE_REG(chip, CARD_CLK_EN, clk_en, clk_en);
+
+       return STATUS_SUCCESS;
+}
+
+int disable_card_clock(struct rts51x_chip *chip, u8 card)
+{
+       u8 clk_en = 0;
+
+       if (card & XD_CARD)
+               clk_en |= XD_CLK_EN;
+       if (card & SD_CARD)
+               clk_en |= SD_CLK_EN;
+       if (card & MS_CARD)
+               clk_en |= MS_CLK_EN;
+
+       RTS51X_WRITE_REG(chip, CARD_CLK_EN, clk_en, 0);
+
+       return STATUS_SUCCESS;
+}
+
+int card_power_on(struct rts51x_chip *chip, u8 card)
+{
+       u8 mask, val1, val2;
+
+       mask = POWER_MASK;
+       val1 = PARTIAL_POWER_ON;
+       val2 = POWER_ON;
+
+#ifdef SD_XD_IO_FOLLOW_PWR
+       if ((card == SD_CARD) || (card == XD_CARD)) {
+               RTS51X_WRITE_REG(chip, CARD_PWR_CTL, mask | LDO3318_PWR_MASK,
+                                val1 | LDO_SUSPEND);
+               /* RTS51X_WRITE_REG(chip, CARD_PWR_CTL,
+                               LDO3318_PWR_MASK, LDO_SUSPEND); */
+       }
+       /* else if(card==XD_CARD)
+       {
+               RTS51X_WRITE_REG(chip, CARD_PWR_CTL,
+                       mask|LDO3318_PWR_MASK, val1|LDO_SUSPEND);
+               //RTS51X_WRITE_REG(chip, CARD_PWR_CTL,
+               //      LDO3318_PWR_MASK, LDO_SUSPEND);
+       } */
+       else {
+#endif
+               RTS51X_WRITE_REG(chip, CARD_PWR_CTL, mask, val1);
+#ifdef SD_XD_IO_FOLLOW_PWR
+       }
+#endif
+       udelay(chip->option.pwr_delay);
+       RTS51X_WRITE_REG(chip, CARD_PWR_CTL, mask, val2);
+#ifdef SD_XD_IO_FOLLOW_PWR
+       if (card == SD_CARD) {
+               rts51x_write_register(chip, CARD_PWR_CTL, LDO3318_PWR_MASK,
+                                     LDO_ON);
+       }
+#endif
+
+       return STATUS_SUCCESS;
+}
+
+int card_power_off(struct rts51x_chip *chip, u8 card)
+{
+       u8 mask, val;
+
+       mask = POWER_MASK;
+       val = POWER_OFF;
+       RTS51X_WRITE_REG(chip, CARD_PWR_CTL, mask, val);
+
+       return STATUS_SUCCESS;
+}
+
+int monitor_card_cd(struct rts51x_chip *chip, u8 card)
+{
+       int retval;
+       u8 card_cd[32] = { 0 };
+
+       card_cd[SD_CARD] = SD_CD;
+       card_cd[XD_CARD] = XD_CD;
+       card_cd[MS_CARD] = MS_CD;
+
+       retval = rts51x_get_card_status(chip, &(chip->card_status));
+       if (retval != STATUS_SUCCESS)
+               return CD_NOT_EXIST;
+
+       if (chip->card_status & card_cd[card])
+               return CD_EXIST;
+
+       return CD_NOT_EXIST;
+}
+
+int toggle_gpio(struct rts51x_chip *chip, u8 gpio)
+{
+       int retval;
+       u8 temp_reg;
+       u8 gpio_output[4] = {
+               0x01,
+       };
+       u8 gpio_oe[4] = {
+               0x02,
+       };
+       if (chip->rts5179) {
+               retval = rts51x_ep0_read_register(chip, CARD_GPIO, &temp_reg);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, STATUS_FAIL);
+               temp_reg ^= gpio_oe[gpio];
+               temp_reg &= 0xfe; /* bit 0 always set 0 */
+               retval =
+                   rts51x_ep0_write_register(chip, CARD_GPIO, 0x03, temp_reg);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, STATUS_FAIL);
+       } else {
+               retval = rts51x_ep0_read_register(chip, CARD_GPIO, &temp_reg);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, STATUS_FAIL);
+               temp_reg ^= gpio_output[gpio];
+               retval =
+                   rts51x_ep0_write_register(chip, CARD_GPIO, 0xFF,
+                                             temp_reg | gpio_oe[gpio]);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+int turn_on_led(struct rts51x_chip *chip, u8 gpio)
+{
+       int retval;
+       u8 gpio_oe[4] = {
+               0x02,
+       };
+       u8 gpio_mask[4] = {
+               0x03,
+       };
+
+       retval =
+           rts51x_ep0_write_register(chip, CARD_GPIO, gpio_mask[gpio],
+                                     gpio_oe[gpio]);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+int turn_off_led(struct rts51x_chip *chip, u8 gpio)
+{
+       int retval;
+       u8 gpio_output[4] = {
+               0x01,
+       };
+       u8 gpio_oe[4] = {
+               0x02,
+       };
+       u8 gpio_mask[4] = {
+               0x03,
+       };
+
+       retval =
+           rts51x_ep0_write_register(chip, CARD_GPIO, gpio_mask[gpio],
+                                     gpio_oe[gpio] | gpio_output[gpio]);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
diff --git a/drivers/staging/rts5139/rts51x_card.h b/drivers/staging/rts5139/rts51x_card.h
new file mode 100644 (file)
index 0000000..ac3c1e7
--- /dev/null
@@ -0,0 +1,881 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_CARD_H
+#define __RTS51X_CARD_H
+
+#include "rts51x_chip.h"
+
+/* Register bit definition */
+
+/* Card Power Control Register */
+#define POWER_OFF                      0x03
+#define PARTIAL_POWER_ON               0x02
+#define POWER_ON                       0x00
+#define POWER_MASK                     0x03
+#define LDO3318_PWR_MASK               0x0C
+#define LDO_ON                         0x00
+#define LDO_SUSPEND                    0x08
+#define LDO_OFF                                0x0C
+#define DV3318_AUTO_PWR_OFF            0x10
+#define FORCE_LDO_POWERB       0x60
+
+/* Card Output Enable Register */
+#define XD_OUTPUT_EN                   0x02
+#define SD_OUTPUT_EN                   0x04
+#define MS_OUTPUT_EN                   0x08
+
+/* System Clock Control Register */
+
+/* System Clock Divider Register */
+#define CLK_CHANGE                     0x80
+#define CLK_DIV_1                      0x00
+#define CLK_DIV_2                      0x01
+#define CLK_DIV_4                      0x02
+#define CLK_DIV_8                      0x03
+
+/* System Clock Select Register */
+#define SSC_60                         0
+#define SSC_80                         1
+#define SSC_100                                2
+#define SSC_120                                3
+#define SSC_150                                4
+
+/* Card Clock Enable Register */
+#define XD_CLK_EN                      0x02
+#define SD_CLK_EN                      0x04
+#define MS_CLK_EN                      0x08
+
+/* Card Select Register */
+#define XD_MOD_SEL                     1
+#define SD_MOD_SEL                     2
+#define MS_MOD_SEL                     3
+
+/* Card Transfer Reset Register */
+#define XD_STOP                                0x02
+#define SD_STOP                                0x04
+#define MS_STOP                                0x08
+#define XD_CLR_ERR                     0x20
+#define SD_CLR_ERR                     0x40
+#define MS_CLR_ERR                     0x80
+
+/* SD30_drive_sel */
+#define SD30_DRIVE_MASK        0x07
+
+/* CARD_DRIVE_SEL */
+#define SD20_DRIVE_MASK        0x03
+#define DRIVE_4mA                      0x00
+#define DRIVE_8mA                      0x01
+#define DRIVE_12mA                     0x02
+
+/* FPGA_PULL_CTL */
+#define FPGA_MS_PULL_CTL_EN            0xEF
+#define FPGA_SD_PULL_CTL_EN            0xF7
+#define FPGA_XD_PULL_CTL_EN1           0xFE
+#define FPGA_XD_PULL_CTL_EN2           0xFD
+#define FPGA_XD_PULL_CTL_EN3           0xFB
+
+#define FPGA_MS_PULL_CTL_BIT           0x10
+#define FPGA_SD_PULL_CTL_BIT           0x08
+
+/* Card Data Source Register */
+#define PINGPONG_BUFFER                        0x01
+#define RING_BUFFER                    0x00
+
+/* SFSM_ED */
+#define HW_CMD_STOP                    0x80
+#define CLR_STAGE_STALL                        0x08
+#define CARD_ERR                               0x10
+
+/* CARD_SHARE_MODE */
+#define        CARD_SHARE_LQFP48               0x04
+#define        CARD_SHARE_QFN24                0x00
+#define CARD_SHARE_LQFP_SEL            0x04
+#define        CARD_SHARE_XD                   0x00
+#define        CARD_SHARE_SD                   0x01
+#define        CARD_SHARE_MS                   0x02
+#define CARD_SHARE_MASK                        0x03
+
+/* CARD_AUTO_BLINK */
+#define BLINK_ENABLE                   0x08
+#define BLINK_SPEED_MASK               0x07
+
+/* CARD_GPIO */
+#define GPIO_OE                                0x02
+#define GPIO_OUTPUT                    0x01
+
+/* CARD_CLK_SOURCE */
+#define CRC_FIX_CLK                    (0x00 << 0)
+#define CRC_VAR_CLK0                   (0x01 << 0)
+#define CRC_VAR_CLK1                   (0x02 << 0)
+#define SD30_FIX_CLK                   (0x00 << 2)
+#define SD30_VAR_CLK0                  (0x01 << 2)
+#define SD30_VAR_CLK1                  (0x02 << 2)
+#define SAMPLE_FIX_CLK                 (0x00 << 4)
+#define SAMPLE_VAR_CLK0                        (0x01 << 4)
+#define SAMPLE_VAR_CLK1                        (0x02 << 4)
+
+/* DCM_DRP_CTL */
+#define DCM_RESET                      0x08
+#define DCM_LOCKED                     0x04
+#define DCM_208M                       0x00
+#define DCM_TX                         0x01
+#define DCM_RX                         0x02
+
+/* DCM_DRP_TRIG */
+#define DRP_START                      0x80
+#define DRP_DONE                       0x40
+
+/* DCM_DRP_CFG */
+#define DRP_WRITE                      0x80
+#define DRP_READ                       0x00
+#define DCM_WRITE_ADDRESS_50           0x50
+#define DCM_WRITE_ADDRESS_51           0x51
+#define DCM_READ_ADDRESS_00            0x00
+#define DCM_READ_ADDRESS_51            0x51
+
+/* HW_VERSION */
+#define FPGA_VER                       0x80
+#define HW_VER_MASK                    0x0F
+
+/* CD_DEGLITCH_EN */
+#define DISABLE_SD_CD                  0x08
+#define DISABLE_MS_CD                  0x10
+#define DISABLE_XD_CD                  0x20
+#define SD_CD_DEGLITCH_EN              0x01
+#define MS_CD_DEGLITCH_EN              0x02
+#define XD_CD_DEGLITCH_EN              0x04
+
+/* OCPCTL */
+#define CARD_OC_DETECT_EN              0x08
+#define CARD_OC_CLR                    0x01
+
+/* CARD_DMA1_CTL */
+#define EXTEND_DMA1_ASYNC_SIGNAL       0x02
+
+/* HS_USB_STAT */
+#define USB_HI_SPEED                   0x01
+
+/* CFG_MODE_1 */
+#define RTS5179                                0x02
+
+/* SYS_DUMMY0 */
+#define NYET_EN                                0x01
+#define NYET_MSAK                      0x01
+
+/* SSC_CTL1 */
+#define SSC_RSTB                       0x80
+#define SSC_8X_EN                      0x40
+#define SSC_FIX_FRAC                   0x20
+#define SSC_SEL_1M                     0x00
+#define SSC_SEL_2M                     0x08
+#define SSC_SEL_4M                     0x10
+#define SSC_SEL_8M                     0x18
+
+/* SSC_CTL2 */
+#define SSC_DEPTH_MASK                 0x03
+#define SSC_DEPTH_DISALBE              0x00
+#define SSC_DEPTH_2M                   0x01
+#define SSC_DEPTH_1M                   0x02
+#define SSC_DEPTH_512K                 0x03
+
+/* LDO_POWER_CFG */
+#define TUNE_SD18_MASK                 0x1C
+#define TUNE_SD18_1V7                  0x00
+#define TUNE_SD18_1V8                  (0x01 << 2)
+#define TUNE_SD18_1V9                  (0x02 << 2)
+#define TUNE_SD18_2V0                  (0x03 << 2)
+#define TUNE_SD18_2V7                  (0x04 << 2)
+#define TUNE_SD18_2V8                  (0x05 << 2)
+#define TUNE_SD18_2V9                  (0x06 << 2)
+#define TUNE_SD18_3V3                  (0x07 << 2)
+
+/* XD_CP_WAITTIME */
+#define WAIT_1F                                0x00
+#define WAIT_3F                                0x01
+#define WAIT_7F                                0x02
+#define WAIT_FF                                0x03
+
+/* XD_INIT */
+#define        XD_PWR_OFF_DELAY0               0x00
+#define        XD_PWR_OFF_DELAY1               0x02
+#define        XD_PWR_OFF_DELAY2               0x04
+#define        XD_PWR_OFF_DELAY3               0x06
+#define        XD_AUTO_PWR_OFF_EN              0xF7
+#define        XD_NO_AUTO_PWR_OFF              0x08
+
+/* XD_DTCTL */
+/* XD_CATCTL */
+#define        XD_TIME_RWN_1                   0x00
+#define        XD_TIME_RWN_STEP                0x20
+#define        XD_TIME_RW_1                    0x00
+#define        XD_TIME_RW_STEP                 0x04
+#define        XD_TIME_SETUP_1                 0x00
+#define        XD_TIME_SETUP_STEP              0x01
+
+/* XD_CTL */
+#define        XD_ECC2_UNCORRECTABLE           0x80
+#define        XD_ECC2_ERROR                   0x40
+#define        XD_ECC1_UNCORRECTABLE           0x20
+#define        XD_ECC1_ERROR                   0x10
+#define        XD_RDY                          0x04
+#define        XD_CE_EN                        0xFD
+#define        XD_CE_DISEN                     0x02
+#define        XD_WP_EN                        0xFE
+#define        XD_WP_DISEN                     0x01
+
+/* XD_TRANSFER */
+#define        XD_TRANSFER_START               0x80
+#define        XD_TRANSFER_END                 0x40
+#define        XD_PPB_EMPTY                    0x20
+#define        XD_ERR                          0x10
+#define        XD_RESET                        0x00
+#define        XD_ERASE                        0x01
+#define        XD_READ_STATUS                  0x02
+#define        XD_READ_ID                      0x03
+#define        XD_READ_REDUNDANT               0x04
+#define        XD_READ_PAGES                   0x05
+#define        XD_SET_CMD                      0x06
+#define        XD_NORMAL_READ                  0x07
+#define        XD_WRITE_PAGES                  0x08
+#define        XD_NORMAL_WRITE                 0x09
+#define        XD_WRITE_REDUNDANT              0x0A
+#define        XD_SET_ADDR                     0x0B
+#define XD_COPY_PAGES                  0x0C
+
+/* XD_CFG */
+#define        XD_PPB_TO_SIE                   0x80
+#define        XD_TO_PPB_ONLY                  0x00
+#define        XD_BA_TRANSFORM                 0x40
+#define        XD_BA_NO_TRANSFORM              0x00
+#define        XD_NO_CALC_ECC                  0x20
+#define        XD_CALC_ECC                     0x00
+#define        XD_IGNORE_ECC                   0x10
+#define        XD_CHECK_ECC                    0x00
+#define        XD_DIRECT_TO_RB                 0x08
+#define XD_ADDR_MASK                   0x07
+#define        XD_ADDR_LENGTH_0                0x00
+#define        XD_ADDR_LENGTH_1                0x01
+#define        XD_ADDR_LENGTH_2                0x02
+#define        XD_ADDR_LENGTH_3                0x03
+#define        XD_ADDR_LENGTH_4                0x04
+
+/* XD_PAGE_STATUS */
+#define        XD_GPG                          0xFF
+#define        XD_BPG                          0x00
+
+/* XD_BLOCK_STATUS */
+#define        XD_GBLK                         0xFF
+#define        XD_LATER_BBLK                   0xF0
+
+/* XD_PARITY */
+#define        XD_ECC2_ALL1                    0x80
+#define        XD_ECC1_ALL1                    0x40
+#define        XD_BA2_ALL0                     0x20
+#define        XD_BA1_ALL0                     0x10
+#define        XD_BA1_BA2_EQL                  0x04
+#define        XD_BA2_VALID                    0x02
+#define        XD_BA1_VALID                    0x01
+
+/* XD_CHK_DATA_STATUS */
+#define        XD_PGSTS_ZEROBIT_OVER4          0x00
+#define        XD_PGSTS_NOT_FF                 0x02
+#define        XD_AUTO_CHK_DATA_STATUS         0x01
+
+/* SD_CFG1 */
+#define SD_CLK_DIVIDE_0                        0x00
+#define        SD_CLK_DIVIDE_256               0xC0
+#define        SD_CLK_DIVIDE_128               0x80
+#define SD_CLK_DIVIDE_MASK             0xC0
+#define        SD_BUS_WIDTH_1                  0x00
+#define        SD_BUS_WIDTH_4                  0x01
+#define        SD_BUS_WIDTH_8                  0x02
+#define        SD_ASYNC_FIFO_RST               0x10
+#define        SD_20_MODE                      0x00
+#define        SD_DDR_MODE                     0x04
+#define        SD_30_MODE                      0x08
+
+/* SD_CFG2 */
+#define        SD_CALCULATE_CRC7               0x00
+#define        SD_NO_CALCULATE_CRC7            0x80
+#define        SD_CHECK_CRC16                  0x00
+#define        SD_NO_CHECK_CRC16               0x40
+#define SD_WAIT_CRC_TO_EN              0x20
+#define        SD_WAIT_BUSY_END                0x08
+#define        SD_NO_WAIT_BUSY_END             0x00
+#define        SD_CHECK_CRC7                   0x00
+#define        SD_NO_CHECK_CRC7                0x04
+#define        SD_RSP_LEN_0                    0x00
+#define        SD_RSP_LEN_6                    0x01
+#define        SD_RSP_LEN_17                   0x02
+/* SD/MMC Response Type Definition */
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_NO_WAIT_BUSY_END, SD_NO_CHECK_CRC7,
+ * SD_RSP_LEN_0 */
+#define        SD_RSP_TYPE_R0                  0x04
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7,
+ * SD_RSP_LEN_6 */
+#define        SD_RSP_TYPE_R1                  0x01
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_WAIT_BUSY_END, SD_CHECK_CRC7,
+ * SD_RSP_LEN_6 */
+#define        SD_RSP_TYPE_R1b                 0x09
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7,
+ * SD_RSP_LEN_17 */
+#define        SD_RSP_TYPE_R2                  0x02
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_NO_WAIT_BUSY_END, SD_NO_CHECK_CRC7,
+ * SD_RSP_LEN_6 */
+#define        SD_RSP_TYPE_R3                  0x05
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_NO_WAIT_BUSY_END, SD_NO_CHECK_CRC7,
+ * SD_RSP_LEN_6 */
+#define        SD_RSP_TYPE_R4                  0x05
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7,
+ * SD_RSP_LEN_6 */
+#define        SD_RSP_TYPE_R5                  0x01
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7,
+ * SD_RSP_LEN_6 */
+#define        SD_RSP_TYPE_R6                  0x01
+/* SD_CALCULATE_CRC7, SD_CHECK_CRC16,
+ * SD_NO_WAIT_BUSY_END, SD_CHECK_CRC7,
+ * SD_RSP_LEN_6  */
+#define        SD_RSP_TYPE_R7                  0x01
+
+/* SD_CFG3 */
+#define        SD_RSP_80CLK_TIMEOUT_EN         0x01
+
+/* SD_STAT1 */
+#define        SD_CRC7_ERR                     0x80
+#define        SD_CRC16_ERR                    0x40
+#define        SD_CRC_WRITE_ERR                0x20
+#define        SD_CRC_WRITE_ERR_MASK           0x1C
+#define        GET_CRC_TIME_OUT                0x02
+#define        SD_TUNING_COMPARE_ERR           0x01
+
+/* SD_STAT2 */
+#define        SD_RSP_80CLK_TIMEOUT            0x01
+
+/* SD_BUS_STAT */
+#define        SD_CLK_TOGGLE_EN                0x80
+#define        SD_CLK_FORCE_STOP               0x40
+#define        SD_DAT3_STATUS                  0x10
+#define        SD_DAT2_STATUS                  0x08
+#define        SD_DAT1_STATUS                  0x04
+#define        SD_DAT0_STATUS                  0x02
+#define        SD_CMD_STATUS                   0x01
+
+/* SD_PAD_CTL */
+#define        SD_IO_USING_1V8                 0x80
+#define        SD_IO_USING_3V3                 0x7F
+#define        TYPE_A_DRIVING                  0x00
+#define        TYPE_B_DRIVING                  0x01
+#define        TYPE_C_DRIVING                  0x02
+#define        TYPE_D_DRIVING                  0x03
+
+/* SD_SAMPLE_POINT_CTL */
+#define        DDR_FIX_RX_DAT                  0x00
+#define        DDR_VAR_RX_DAT                  0x80
+#define        DDR_FIX_RX_DAT_EDGE             0x00
+#define        DDR_FIX_RX_DAT_14_DELAY         0x40
+#define        DDR_FIX_RX_CMD                  0x00
+#define        DDR_VAR_RX_CMD                  0x20
+#define        DDR_FIX_RX_CMD_POS_EDGE         0x00
+#define        DDR_FIX_RX_CMD_14_DELAY         0x10
+#define        SD20_RX_POS_EDGE                0x00
+#define        SD20_RX_14_DELAY                0x08
+#define SD20_RX_SEL_MASK               0x08
+
+/* SD_PUSH_POINT_CTL */
+#define        DDR_FIX_TX_CMD_DAT              0x00
+#define        DDR_VAR_TX_CMD_DAT              0x80
+#define        DDR_FIX_TX_DAT_14_TSU           0x00
+#define        DDR_FIX_TX_DAT_12_TSU           0x40
+#define        DDR_FIX_TX_CMD_NEG_EDGE         0x00
+#define        DDR_FIX_TX_CMD_14_AHEAD         0x20
+#define        SD20_TX_NEG_EDGE                0x00
+#define        SD20_TX_14_AHEAD                0x10
+#define SD20_TX_SEL_MASK               0x10
+#define        DDR_VAR_SDCLK_POL_SWAP          0x01
+
+/* SD_TRANSFER */
+#define        SD_TRANSFER_START               0x80
+#define        SD_TRANSFER_END                 0x40
+#define SD_STAT_IDLE                   0x20
+#define        SD_TRANSFER_ERR                 0x10
+/* SD Transfer Mode definition */
+#define        SD_TM_NORMAL_WRITE              0x00
+#define        SD_TM_AUTO_WRITE_3              0x01
+#define        SD_TM_AUTO_WRITE_4              0x02
+#define        SD_TM_AUTO_READ_3               0x05
+#define        SD_TM_AUTO_READ_4               0x06
+#define        SD_TM_CMD_RSP                   0x08
+#define        SD_TM_AUTO_WRITE_1              0x09
+#define        SD_TM_AUTO_WRITE_2              0x0A
+#define        SD_TM_NORMAL_READ               0x0C
+#define        SD_TM_AUTO_READ_1               0x0D
+#define        SD_TM_AUTO_READ_2               0x0E
+#define        SD_TM_AUTO_TUNING               0x0F
+
+/* SD_VPTX_CTL / SD_VPRX_CTL */
+#define PHASE_CHANGE                   0x80
+#define PHASE_NOT_RESET                        0x40
+
+/* SD_DCMPS_TX_CTL / SD_DCMPS_RX_CTL */
+#define DCMPS_CHANGE                   0x80
+#define DCMPS_CHANGE_DONE              0x40
+#define DCMPS_ERROR                    0x20
+#define DCMPS_CURRENT_PHASE            0x1F
+
+/* SD_CMD_STATE */
+#define SD_CMD_IDLE                    0x80
+
+/* SD_DATA_STATE */
+#define SD_DATA_IDLE                   0x80
+
+/* MS_BLKEND */
+#define SET_BLKEND                     0x01
+
+/* MS_CFG */
+#define        SAMPLE_TIME_RISING              0x00
+#define        SAMPLE_TIME_FALLING             0x80
+#define        PUSH_TIME_DEFAULT               0x00
+#define        PUSH_TIME_ODD                   0x40
+#define        NO_EXTEND_TOGGLE                0x00
+#define        EXTEND_TOGGLE_CHK               0x20
+#define        MS_BUS_WIDTH_1                  0x00
+#define        MS_BUS_WIDTH_4                  0x10
+#define        MS_BUS_WIDTH_8                  0x18
+#define        MS_2K_SECTOR_MODE               0x04
+#define        MS_512_SECTOR_MODE              0x00
+#define        MS_TOGGLE_TIMEOUT_EN            0x00
+#define        MS_TOGGLE_TIMEOUT_DISEN         0x01
+#define MS_NO_CHECK_INT                        0x02
+
+/* MS_TRANS_CFG */
+#define        WAIT_INT                        0x80
+#define        NO_WAIT_INT                     0x00
+#define        NO_AUTO_READ_INT_REG            0x00
+#define        AUTO_READ_INT_REG               0x40
+#define        MS_CRC16_ERR                    0x20
+#define        MS_RDY_TIMEOUT                  0x10
+#define        MS_INT_CMDNK                    0x08
+#define        MS_INT_BREQ                     0x04
+#define        MS_INT_ERR                      0x02
+#define        MS_INT_CED                      0x01
+
+/* MS_TRANSFER */
+#define        MS_TRANSFER_START               0x80
+#define        MS_TRANSFER_END                 0x40
+#define        MS_TRANSFER_ERR                 0x20
+#define        MS_BS_STATE                     0x10
+#define        MS_TM_READ_BYTES                0x00
+#define        MS_TM_NORMAL_READ               0x01
+#define        MS_TM_WRITE_BYTES               0x04
+#define        MS_TM_NORMAL_WRITE              0x05
+#define        MS_TM_AUTO_READ                 0x08
+#define        MS_TM_AUTO_WRITE                0x0C
+#define MS_TM_SET_CMD                  0x06
+#define MS_TM_COPY_PAGE                        0x07
+#define MS_TM_MULTI_READ               0x02
+#define MS_TM_MULTI_WRITE              0x03
+
+/* MC_DMA_CTL */
+#define DMA_TC_EQ_0                    0x80
+#define DMA_DIR_TO_CARD                        0x00
+#define DMA_DIR_FROM_CARD              0x02
+#define DMA_EN                         0x01
+#define DMA_128                                (0 << 2)
+#define DMA_256                                (1 << 2)
+#define DMA_512                                (2 << 2)
+#define DMA_1024                       (3 << 2)
+#define DMA_PACK_SIZE_MASK             0x0C
+
+/* CARD_INT_PEND */
+#define XD_INT                         0x10
+#define MS_INT                         0x08
+#define SD_INT                         0x04
+
+/* MC_FIFO_CTL */
+#define FIFO_FLUSH                     0x01
+
+/* AUTO_DELINK_EN */
+#define AUTO_DELINK                    0x02
+#define FORCE_DELINK                   0x01
+
+/* MC_DMA_RST */
+#define DMA_RESET  0x01
+
+#define SSC_POWER_MASK                 0x01
+#define SSC_POWER_DOWN                 0x01
+#define SSC_POWER_ON                   0x00
+
+/* OCPCTL */
+#define MS_OCP_DETECT_EN               0x08
+#define        MS_OCP_INT_EN                   0x04
+#define        MS_OCP_INT_CLR                  0x02
+#define        MS_OCP_CLEAR                    0x01
+
+/* OCPSTAT */
+#define MS_OCP_DETECT                  0x80
+#define MS_OCP_NOW                     0x02
+#define MS_OCP_EVER                    0x01
+
+/* MC_FIFO_STAT */
+#define FIFO_FULL              0x01
+#define FIFO_EMPTY             0x02
+
+/* RCCTL */
+#define U_HW_CMD_EN_MASK               0x02
+#define U_HW_CMD_EN                    0x02
+#define U_HW_CMD_DIS                   0x00
+
+/* Register address */
+#define FPDCTL                         0xFC00
+#define SSC_DIV_N_0                    0xFC07
+#define SSC_CTL1                       0xFC09
+#define SSC_CTL2                       0xFC0A
+#define CFG_MODE_1             0xFC0F
+#define RCCTL                  0xFC14
+#define SYS_DUMMY0                     0xFC30
+#define XD_CP_WAITTIME                 0xFD00
+#define XD_CP_PAGELEN                  0xFD01
+#define XD_CP_READADDR0                        0xFD02
+#define XD_CP_READADDR1                        0xFD03
+#define XD_CP_READADDR2                        0xFD04
+#define XD_CP_READADDR3                        0xFD05
+#define XD_CP_READADDR4                        0xFD06
+#define XD_CP_WRITEADDR0               0xFD07
+#define XD_CP_WRITEADDR1               0xFD08
+#define XD_CP_WRITEADDR2               0xFD09
+#define XD_CP_WRITEADDR3               0xFD0A
+#define XD_CP_WRITEADDR4               0xFD0B
+#define XD_INIT                                0xFD10
+#define XD_DTCTL                       0xFD11
+#define XD_CTL                         0xFD12
+#define XD_TRANSFER                    0xFD13
+#define XD_CFG                         0xFD14
+#define XD_ADDRESS0                    0xFD15
+#define XD_ADDRESS1                    0xFD16
+#define XD_ADDRESS2                    0xFD17
+#define XD_ADDRESS3                    0xFD18
+#define XD_ADDRESS4                    0xFD19
+#define XD_DAT                         0xFD1A
+#define XD_PAGE_CNT                    0xFD1B
+#define XD_PAGE_STATUS                 0xFD1C
+#define XD_BLOCK_STATUS                        0xFD1D
+#define XD_BLOCK_ADDR1_L               0xFD1E
+#define XD_BLOCK_ADDR1_H               0xFD1F
+#define XD_BLOCK_ADDR2_L               0xFD20
+#define XD_BLOCK_ADDR2_H               0xFD21
+#define XD_BYTE_CNT_L                  0xFD22
+#define XD_BYTE_CNT_H                  0xFD23
+#define        XD_PARITY                       0xFD24
+#define XD_ECC_BIT1                    0xFD25
+#define XD_ECC_BYTE1                   0xFD26
+#define XD_ECC_BIT2                    0xFD27
+#define XD_ECC_BYTE2                   0xFD28
+#define XD_RESERVED0                   0xFD29
+#define XD_RESERVED1                   0xFD2A
+#define XD_RESERVED2                   0xFD2B
+#define XD_RESERVED3                   0xFD2C
+#define XD_CHK_DATA_STATUS             0xFD2D
+#define XD_CATCTL                      0xFD2E
+
+#define MS_BLKEND                      0xFD30
+#define MS_READ_START                  0xFD31
+#define MS_READ_COUNT                  0xFD32
+#define MS_WRITE_START                 0xFD33
+#define MS_WRITE_COUNT                 0xFD34
+#define MS_COMMAND                     0xFD35
+#define MS_OLD_BLOCK_0                 0xFD36
+#define MS_OLD_BLOCK_1                 0xFD37
+#define MS_NEW_BLOCK_0                 0xFD38
+#define MS_NEW_BLOCK_1                 0xFD39
+#define MS_LOG_BLOCK_0                 0xFD3A
+#define MS_LOG_BLOCK_1                 0xFD3B
+#define MS_BUS_WIDTH                   0xFD3C
+#define MS_PAGE_START                  0xFD3D
+#define MS_PAGE_LENGTH                 0xFD3E
+#define MS_CFG                         0xFD40
+#define MS_TPC                         0xFD41
+#define MS_TRANS_CFG                   0xFD42
+#define MS_TRANSFER                    0xFD43
+#define MS_INT_REG                     0xFD44
+#define MS_BYTE_CNT                    0xFD45
+#define MS_SECTOR_CNT_L                        0xFD46
+#define MS_SECTOR_CNT_H                        0xFD47
+#define MS_DBUS_H                      0xFD48
+
+#define CARD_DMA1_CTL                  0xFD5C
+#define CARD_PULL_CTL1                 0xFD60
+#define CARD_PULL_CTL2                 0xFD61
+#define CARD_PULL_CTL3                 0xFD62
+#define CARD_PULL_CTL4                 0xFD63
+#define CARD_PULL_CTL5                 0xFD64
+#define CARD_PULL_CTL6                 0xFD65
+#define CARD_EXIST                             0xFD6F
+#define CARD_INT_PEND                  0xFD71
+
+#define LDO_POWER_CFG                  0xFD7B
+
+#define SD_CFG1                                0xFDA0
+#define SD_CFG2                                0xFDA1
+#define SD_CFG3                                0xFDA2
+#define SD_STAT1                       0xFDA3
+#define SD_STAT2                       0xFDA4
+#define SD_BUS_STAT                    0xFDA5
+#define SD_PAD_CTL                     0xFDA6
+#define SD_SAMPLE_POINT_CTL            0xFDA7
+#define SD_PUSH_POINT_CTL              0xFDA8
+#define SD_CMD0                                0xFDA9
+#define SD_CMD1                                0xFDAA
+#define SD_CMD2                                0xFDAB
+#define SD_CMD3                                0xFDAC
+#define SD_CMD4                                0xFDAD
+#define SD_CMD5                                0xFDAE
+#define SD_BYTE_CNT_L                  0xFDAF
+#define SD_BYTE_CNT_H                  0xFDB0
+#define SD_BLOCK_CNT_L                 0xFDB1
+#define SD_BLOCK_CNT_H                 0xFDB2
+#define SD_TRANSFER                    0xFDB3
+#define SD_CMD_STATE                   0xFDB5
+#define SD_DATA_STATE                  0xFDB6
+#define SD_VPCLK0_CTL                  0xFC2A
+#define SD_VPCLK1_CTL                  0xFC2B
+#define SD_DCMPS0_CTL                  0xFC2C
+#define SD_DCMPS1_CTL                  0xFC2D
+
+#define CARD_DMA1_CTL                  0xFD5C
+
+#define HW_VERSION                     0xFC01
+
+#define SSC_CLK_FPGA_SEL               0xFC02
+#define CLK_DIV                                0xFC03
+#define SFSM_ED                                0xFC04
+
+#define CD_DEGLITCH_WIDTH              0xFC20
+#define CD_DEGLITCH_EN                 0xFC21
+#define AUTO_DELINK_EN                 0xFC23
+
+#define FPGA_PULL_CTL                  0xFC1D
+#define CARD_CLK_SOURCE                        0xFC2E
+
+#define CARD_SHARE_MODE                        0xFD51
+#define CARD_DRIVE_SEL                 0xFD52
+#define CARD_STOP                      0xFD53
+#define CARD_OE                                0xFD54
+#define CARD_AUTO_BLINK                        0xFD55
+#define CARD_GPIO                      0xFD56
+#define SD30_DRIVE_SEL         0xFD57
+
+#define CARD_DATA_SOURCE               0xFD5D
+#define CARD_SELECT                    0xFD5E
+
+#define CARD_CLK_EN                    0xFD79
+#define CARD_PWR_CTL                   0xFD7A
+
+#define OCPCTL                         0xFD80
+#define OCPPARA1                       0xFD81
+#define OCPPARA2                       0xFD82
+#define OCPSTAT                                0xFD83
+
+#define HS_USB_STAT                    0xFE01
+#define HS_VCONTROL                    0xFE26
+#define HS_VSTAIN                      0xFE27
+#define HS_VLOADM                      0xFE28
+#define HS_VSTAOUT                     0xFE29
+
+#define MC_IRQ                         0xFF00
+#define MC_IRQEN                       0xFF01
+#define MC_FIFO_CTL                    0xFF02
+#define MC_FIFO_BC0                    0xFF03
+#define MC_FIFO_BC1                    0xFF04
+#define MC_FIFO_STAT                   0xFF05
+#define MC_FIFO_MODE                   0xFF06
+#define MC_FIFO_RD_PTR0                0xFF07
+#define MC_FIFO_RD_PTR1                0xFF08
+#define MC_DMA_CTL                     0xFF10
+#define MC_DMA_TC0                     0xFF11
+#define MC_DMA_TC1                     0xFF12
+#define MC_DMA_TC2                     0xFF13
+#define MC_DMA_TC3                     0xFF14
+#define MC_DMA_RST                     0xFF15
+
+/* Memory mapping */
+#define RBUF_SIZE_MASK         0xFBFF
+#define RBUF_BASE                      0xF000
+#define PPBUF_BASE1                    0xF800
+#define PPBUF_BASE2                    0xFA00
+
+/* int monitor_card_cd */
+#define CD_EXIST                       0
+#define CD_NOT_EXIST                   1
+
+#define DEBOUNCE_CNT                   5
+
+int monitor_card_cd(struct rts51x_chip *chip, u8 card);
+
+void do_remaining_work(struct rts51x_chip *chip);
+void do_reset_xd_card(struct rts51x_chip *chip);
+void do_reset_sd_card(struct rts51x_chip *chip);
+void do_reset_ms_card(struct rts51x_chip *chip);
+void rts51x_init_cards(struct rts51x_chip *chip);
+void rts51x_release_cards(struct rts51x_chip *chip);
+int switch_ssc_clock(struct rts51x_chip *chip, int clk);
+int switch_normal_clock(struct rts51x_chip *chip, int clk);
+int card_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 sec_addr,
+           u16 sec_cnt);
+u8 get_lun_card(struct rts51x_chip *chip, unsigned int lun);
+int card_share_mode(struct rts51x_chip *chip, int card);
+int rts51x_select_card(struct rts51x_chip *chip, int card);
+void eject_card(struct rts51x_chip *chip, unsigned int lun);
+void trans_dma_enable(enum dma_data_direction dir, struct rts51x_chip *chip,
+                     u32 byte_cnt, u8 pack_size);
+int enable_card_clock(struct rts51x_chip *chip, u8 card);
+int disable_card_clock(struct rts51x_chip *chip, u8 card);
+int card_power_on(struct rts51x_chip *chip, u8 card);
+int card_power_off(struct rts51x_chip *chip, u8 card);
+int toggle_gpio(struct rts51x_chip *chip, u8 gpio);
+int turn_on_led(struct rts51x_chip *chip, u8 gpio);
+int turn_off_led(struct rts51x_chip *chip, u8 gpio);
+
+static inline int check_card_ready(struct rts51x_chip *chip, unsigned int lun)
+{
+       if (chip->card_ready & chip->lun2card[lun])
+               return 1;
+
+       return 0;
+}
+
+static inline int check_card_exist(struct rts51x_chip *chip, unsigned int lun)
+{
+       if (chip->card_exist & chip->lun2card[lun])
+               return 1;
+
+       return 0;
+}
+
+static inline int check_card_wp(struct rts51x_chip *chip, unsigned int lun)
+{
+       if (chip->card_wp & chip->lun2card[lun])
+               return 1;
+
+       return 0;
+}
+
+static inline int check_card_fail(struct rts51x_chip *chip, unsigned int lun)
+{
+       if (chip->card_fail & chip->lun2card[lun])
+               return 1;
+
+       return 0;
+}
+
+static inline int check_card_ejected(struct rts51x_chip *chip, unsigned int lun)
+{
+       if (chip->card_ejected & chip->lun2card[lun])
+               return 1;
+
+       return 0;
+}
+
+static inline int check_fake_card_ready(struct rts51x_chip *chip,
+                                       unsigned int lun)
+{
+       if (chip->fake_card_ready & chip->lun2card[lun])
+               return 1;
+
+       return 0;
+}
+
+static inline u8 get_lun2card(struct rts51x_chip *chip, unsigned int lun)
+{
+       return chip->lun2card[lun];
+}
+
+static inline int check_lun_mc(struct rts51x_chip *chip, unsigned int lun)
+{
+       return CHK_BIT(chip->lun_mc, lun);
+}
+
+static inline void set_lun_mc(struct rts51x_chip *chip, unsigned int lun)
+{
+       SET_BIT(chip->lun_mc, lun);
+}
+
+static inline void clear_lun_mc(struct rts51x_chip *chip, unsigned int lun)
+{
+       CLR_BIT(chip->lun_mc, lun);
+}
+
+static inline int switch_clock(struct rts51x_chip *chip, int clk)
+{
+       int retval = 0;
+
+       if (chip->asic_code)
+               retval = switch_ssc_clock(chip, clk);
+       else
+               retval = switch_normal_clock(chip, clk);
+
+       return retval;
+}
+
+static inline void rts51x_clear_xd_error(struct rts51x_chip *chip)
+{
+       rts51x_ep0_write_register(chip, CARD_STOP,
+                                 XD_STOP | XD_CLR_ERR, XD_STOP | XD_CLR_ERR);
+
+       rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH);
+       rts51x_ep0_write_register(chip, MC_DMA_RST, DMA_RESET, DMA_RESET);
+       rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8);
+}
+
+static inline void rts51x_clear_sd_error(struct rts51x_chip *chip)
+{
+       rts51x_ep0_write_register(chip, CARD_STOP,
+                                 SD_STOP | SD_CLR_ERR, SD_STOP | SD_CLR_ERR);
+
+       rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH);
+       rts51x_ep0_write_register(chip, MC_DMA_RST, DMA_RESET, DMA_RESET);
+       rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8);
+}
+
+static inline void rts51x_clear_ms_error(struct rts51x_chip *chip)
+{
+       rts51x_ep0_write_register(chip, CARD_STOP,
+                                 MS_STOP | MS_CLR_ERR, MS_STOP | MS_CLR_ERR);
+
+       rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH);
+       rts51x_ep0_write_register(chip, MC_DMA_RST, DMA_RESET, DMA_RESET);
+       rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8);
+}
+
+#endif /* __RTS51X_CARD_H */
diff --git a/drivers/staging/rts5139/rts51x_chip.c b/drivers/staging/rts5139/rts51x_chip.c
new file mode 100644 (file)
index 0000000..adc0d00
--- /dev/null
@@ -0,0 +1,1167 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+#include <linux/workqueue.h>
+
+#include "debug.h"
+#include "trace.h"
+#include "rts51x.h"
+#include "rts51x_chip.h"
+#include "rts51x_card.h"
+#include "rts51x_transport.h"
+#include "rts51x_sys.h"
+#include "xd.h"
+#include "ms.h"
+#include "sd.h"
+
+static int check_sd_speed_prior(u32 sd_speed_prior)
+{
+       int i, fake_para = 0;
+
+       /* Check the legality of sd_speed_prior */
+       for (i = 0; i < 4; i++) {
+               u8 tmp = (u8) (sd_speed_prior >> (i * 8));
+               if ((tmp < 0x01) || (tmp > 0x04)) {
+                       fake_para = 1;
+                       break;
+               }
+       }
+
+       return !fake_para;
+}
+
+int rts51x_reset_chip(struct rts51x_chip *chip)
+{
+       int retval;
+
+       if (CHECK_PKG(chip, LQFP48)) {
+               RTS51X_WRITE_REG(chip, CARD_PWR_CTL, LDO3318_PWR_MASK,
+                                LDO_SUSPEND);
+               RTS51X_WRITE_REG(chip, CARD_PWR_CTL, FORCE_LDO_POWERB,
+                                FORCE_LDO_POWERB);
+               RTS51X_WRITE_REG(chip, CARD_PULL_CTL1, 0x30, 0x10);
+               RTS51X_WRITE_REG(chip, CARD_PULL_CTL5, 0x03, 0x01);
+               RTS51X_WRITE_REG(chip, CARD_PULL_CTL6, 0x0C, 0x04);
+       }
+       if (chip->asic_code) {
+               RTS51X_WRITE_REG(chip, SYS_DUMMY0, NYET_MSAK, NYET_EN);
+               RTS51X_WRITE_REG(chip, CD_DEGLITCH_WIDTH, 0xFF, 0x08);
+               rts51x_write_register(chip, CD_DEGLITCH_EN, XD_CD_DEGLITCH_EN,
+                                     0x00);
+               rts51x_write_register(chip, SD30_DRIVE_SEL, SD30_DRIVE_MASK,
+                                     chip->option.sd30_pad_drive);
+               rts51x_write_register(chip, CARD_DRIVE_SEL, SD20_DRIVE_MASK,
+                                     chip->option.sd20_pad_drive);
+               if (chip->rts5179)
+                       rts51x_write_register(chip, CARD_PULL_CTL5, 0x03, 0x01);
+               if (!chip->option.ww_enable) {
+                       if (CHECK_PKG(chip, LQFP48)) {
+                               rts51x_write_register(chip, CARD_PULL_CTL3,
+                                                     0x80, 0x80);
+                               rts51x_write_register(chip, CARD_PULL_CTL6,
+                                                     0xf0, 0xA0);
+                       } else {
+                               rts51x_write_register(chip, CARD_PULL_CTL1,
+                                                     0x30, 0x20);
+                               rts51x_write_register(chip, CARD_PULL_CTL3,
+                                                     0x80, 0x80);
+                               rts51x_write_register(chip, CARD_PULL_CTL6,
+                                                     0x0c, 0x08);
+                       }
+               }
+       }
+       if (chip->option.sd_ctl & SUPPORT_UHS50_MMC44) {
+               SET_UHS50(chip);
+               RTS51X_DEBUGP("option enable UHS50&MMC44,sd_ctl:0x%x\n",
+                       chip->option.sd_ctl);
+       } else {
+               /* if(CHECK_PID(chip, 0x0139)&&CHECK_PKG(chip, LQFP48)) */
+               if ((CHECK_PID(chip, 0x0139) && CHECK_PKG(chip, LQFP48))
+                   || chip->rts5179) {
+                       SET_UHS50(chip);
+                       RTS51X_DEBUGP("PID enable UHS50&MMC44\n");
+               } else {
+                       CLEAR_UHS50(chip);
+                       RTS51X_DEBUGP("PID disable UHS50&MMC44\n");
+               }
+       }
+
+       if (chip->option.ms_errreg_fix && (chip->ic_version > 1))
+               rts51x_write_register(chip, 0xFD4D, 0x01, 0x01);
+       retval = rts51x_write_phy_register(chip, 0xC2, 0x7C);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       rts51x_init_cmd(chip);
+
+       /* GPIO OE */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_GPIO, GPIO_OE, GPIO_OE);
+#ifdef LED_AUTO_BLINK
+       /* LED autoblink */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_AUTO_BLINK,
+                      BLINK_ENABLE | BLINK_SPEED_MASK,
+                      BLINK_ENABLE | chip->option.led_blink_speed);
+#endif
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DMA1_CTL,
+                      EXTEND_DMA1_ASYNC_SIGNAL, EXTEND_DMA1_ASYNC_SIGNAL);
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#ifdef SUPPORT_OCP
+       if (chip->asic_code) {
+               rts51x_write_register(chip, OCPCTL, MS_OCP_DETECT_EN,
+                                     MS_OCP_DETECT_EN);
+               RTS51X_DEBUGP("Enable OCP detect!\n");
+       }
+#endif
+       if (chip->option.FT2_fast_mode) {
+               card_power_on(chip, SD_CARD | MS_CARD | XD_CARD);
+               wait_timeout(10);
+       }
+       rts51x_clear_start_time(chip);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_init_chip(struct rts51x_chip *chip)
+{
+       int retval;
+       u8 val;
+
+       chip->max_lun = 0;
+       chip->cur_clk = 0;
+       chip->cur_card = 0;
+
+       chip->card2lun[XD_CARD] = 0;
+       chip->card2lun[SD_CARD] = 0;
+       chip->card2lun[MS_CARD] = 0;
+       chip->card_ejected = 0;
+
+       chip->lun2card[0] = XD_CARD | SD_CARD | MS_CARD;
+#if 0
+       chip->option.sdr50_tx_phase = 0x01;
+       chip->option.sdr50_rx_phase = 0x05;
+       chip->option.ddr50_tx_phase = 0x09;
+       chip->option.ddr50_rx_phase = 0x06; /* add for debug */
+#endif
+#ifdef CLOSE_SSC_POWER
+       rts51x_write_register(chip, FPDCTL, SSC_POWER_MASK, SSC_POWER_ON);
+       udelay(100);
+       rts51x_write_register(chip, CLK_DIV, CLK_CHANGE, 0x00);
+#endif
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       RTS51X_READ_REG(chip, HW_VERSION, &val);
+       if ((val & 0x0f) >= 2)
+               chip->option.rcc_bug_fix_en = 0;
+       RTS51X_DEBUGP("rcc bug fix enable:%d\n", chip->option.rcc_bug_fix_en);
+       RTS51X_DEBUGP("HW_VERSION: 0x%x\n", val);
+       if (val & FPGA_VER) {
+               chip->asic_code = 0;
+               RTS51X_DEBUGP("FPGA!\n");
+       } else {
+               chip->asic_code = 1;
+               RTS51X_DEBUGP("ASIC!\n");
+       }
+       chip->ic_version = val & HW_VER_MASK;
+
+       if (!check_sd_speed_prior(chip->option.sd_speed_prior))
+               chip->option.sd_speed_prior = 0x01020403;
+       RTS51X_DEBUGP("sd_speed_prior = 0x%08x\n",
+                      chip->option.sd_speed_prior);
+
+       RTS51X_READ_REG(chip, CARD_SHARE_MODE, &val);
+       if (val & CARD_SHARE_LQFP_SEL) {
+               chip->package = LQFP48;
+               RTS51X_DEBUGP("Package: LQFP48\n");
+       } else {
+               chip->package = QFN24;
+               RTS51X_DEBUGP("Package: QFN24\n");
+       }
+
+       RTS51X_READ_REG(chip, HS_USB_STAT, &val);
+       if (val & USB_HI_SPEED) {
+               chip->usb_speed = USB_20;
+               RTS51X_DEBUGP("USB High Speed\n");
+       } else {
+               chip->usb_speed = USB_11;
+               RTS51X_DEBUGP("USB Full Speed\n");
+       }
+
+       RTS51X_READ_REG(chip, CFG_MODE_1, &val);
+       if (val & RTS5179) {
+               chip->rts5179 = 1;
+               RTS51X_DEBUGP("device is rts5179\n");
+       } else {
+               chip->rts5179 = 0;
+       }
+
+       retval = rts51x_reset_chip(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_release_chip(struct rts51x_chip *chip)
+{
+       xd_free_l2p_tbl(chip);
+       ms_free_l2p_tbl(chip);
+       chip->card_ready = 0;
+       return STATUS_SUCCESS;
+}
+
+#ifndef LED_AUTO_BLINK
+static inline void rts51x_blink_led(struct rts51x_chip *chip)
+{
+       /* Read/Write */
+       if (chip->card_ready) {
+               if (chip->led_toggle_counter <
+                               chip->option.led_toggle_interval) {
+                       chip->led_toggle_counter++;
+               } else {
+                       chip->led_toggle_counter = 0;
+                       toggle_gpio(chip, LED_GPIO);
+               }
+       }
+}
+#endif
+
+int rts51x_check_start_time(struct rts51x_chip *chip)
+{
+       return 0;
+}
+
+void rts51x_set_start_time(struct rts51x_chip *chip)
+{
+}
+
+void rts51x_clear_start_time(struct rts51x_chip *chip)
+{
+}
+
+static void rts51x_auto_delink_cmd(struct rts51x_chip *chip)
+{
+       rts51x_write_register(chip, AUTO_DELINK_EN,
+                       AUTO_DELINK, AUTO_DELINK);
+}
+
+static void rts51x_auto_delink_force_cmd(struct rts51x_chip *chip)
+{
+       rts51x_write_register(chip, AUTO_DELINK_EN,
+                       AUTO_DELINK | FORCE_DELINK,
+                       AUTO_DELINK | FORCE_DELINK);
+}
+
+#ifdef USING_POLLING_CYCLE_DELINK
+/* using polling cycle as delink time */
+static void rts51x_auto_delink_polling_cycle(struct rts51x_chip *chip)
+{
+       if (chip->auto_delink_counter <=
+                       chip->option.delink_delay * 2) {
+               if (chip->auto_delink_counter ==
+                   chip->option.delink_delay) {
+                       clear_first_install_mark(chip);
+                       if (chip->card_exist) {
+                               /* False card */
+                               if (!chip->card_ejected) {
+                                       /* if card is not ejected or safely
+                                        * remove,then do force delink */
+                                       RTS51X_DEBUGP("False card inserted,"
+                                                       "do force delink\n");
+                                       rts51x_auto_delink_force_cmd(chip);
+                                       chip->auto_delink_counter =
+                                           chip->option.delink_delay * 2 + 1;
+                               }
+                       } else {
+                               RTS51X_DEBUGP("No card inserted, do delink\n");
+                               /* rts51x_write_register(chip, CARD_PWR_CTL,
+                                               DV3318_AUTO_PWR_OFF, 0); */
+                               rts51x_auto_delink_cmd(chip);
+                       }
+               }
+               if (chip->auto_delink_counter ==
+                   chip->option.delink_delay * 2) {
+                       RTS51X_DEBUGP("Try to do force delink\n");
+                       rts51x_auto_delink_force_cmd(chip);
+               }
+               chip->auto_delink_counter++;
+       }
+}
+
+static void rts51x_auto_delink(struct rts51x_chip *chip)
+{
+       rts51x_auto_delink_polling_cycle(chip);
+}
+#else
+/* some of called funcs are not implemented, so comment it out */
+#if 0
+/* using precise time as delink time */
+static void rts51x_auto_delink_precise_time(struct rts51x_chip *chip)
+{
+       int retvalue = 0;
+
+       retvalue = rts51x_get_card_status(chip, &chip->card_status);
+       /* get card CD status success and card CD not exist,
+        * then check whether delink */
+       if ((retvalue == STATUS_SUCCESS)
+           && (!(chip->card_status & (SD_CD | MS_CD | XD_CD)))) {
+               if (rts51x_count_delink_time(chip) >=
+                   chip->option.delink_delay) {
+                       clear_first_install_mark(chip);
+                       RTS51X_DEBUGP("No card inserted, do delink\n");
+                       /* sangdy2010-05-17:disable because there is error
+                        * after SSC clock closed and card power
+                        * has been closed before */
+                       /* rts51x_write_register(chip, CARD_PWR_CTL,
+                                       DV3318_AUTO_PWR_OFF, 0); */
+                       rts51x_auto_delink_cmd(chip);
+       }
+       /* card CD exist and not ready, then do force delink */
+       if ((retvalue == STATUS_SUCCESS)
+           && (chip->card_status & (SD_CD | MS_CD | XD_CD))) {
+               /* if card is not ejected or safely remove,
+                * then do force delink */
+               if (!chip->card_ejected) {
+                       /* sangdy2010-11-16:polling at least 2 cycles
+                        * then do force delink for card may force delink
+                        * if card is extracted and insert quickly
+                        * after ready. */
+                       if (chip->auto_delink_counter > 1) {
+                               if (rts51x_count_delink_time(chip) >
+                                   chip->option.delink_delay * 2) {
+                                       RTS51X_DEBUGP("Try to do force"
+                                                       "delink\n");
+                                       rts51x_auto_delink_force_cmd(chip);
+                               }
+                       }
+               }
+       }
+       chip->auto_delink_counter++;
+}
+#else
+static void rts51x_auto_delink_precise_time(struct rts51x_chip *chip)
+{
+}
+#endif
+
+static void rts51x_auto_delink(struct rts51x_chip *chip)
+{
+       rts51x_auto_delink_precise_time(chip);
+}
+#endif
+
+void rts51x_polling_func(struct rts51x_chip *chip)
+{
+#ifdef SUPPORT_SD_LOCK
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       if (sd_card->sd_erase_status) {
+               if (chip->card_exist & SD_CARD) {
+                       u8 val;
+                       rts51x_read_register(chip, SD_BUS_STAT, &val);
+                       if (val & SD_DAT0_STATUS) {
+                               /* Erase completed */
+                               sd_card->sd_erase_status = SD_NOT_ERASE;
+                               sd_card->sd_lock_notify = 1;
+
+                               /* SD card should be reinited,
+                                * so we release it here. */
+                               sd_cleanup_work(chip);
+                               release_sd_card(chip);
+                               chip->card_ready &= ~SD_CARD;
+                               chip->card_exist &= ~SD_CARD;
+                               chip->rw_card[chip->card2lun[SD_CARD]] = NULL;
+                               clear_bit(chip->card2lun[SD_CARD],
+                                         &(chip->lun_mc));
+                       }
+               } else {
+                       sd_card->sd_erase_status = SD_NOT_ERASE;
+               }
+       }
+#endif
+
+       rts51x_init_cards(chip);
+
+#ifdef SUPPORT_OCP
+       /* if OCP happen and card exist, then close card OE */
+       if ((chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) &&
+                       (chip->card_exist)) {
+
+               rts51x_prepare_run(chip);
+
+               if (chip->card_exist & SD_CARD)
+                       rts51x_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0);
+               else if (chip->card_exist & MS_CARD)
+                       rts51x_write_register(chip, CARD_OE, MS_OUTPUT_EN, 0);
+               else if (chip->card_exist & XD_CARD)
+                       rts51x_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0);
+       }
+#endif
+
+       if (chip->idle_counter < IDLE_MAX_COUNT) {
+               chip->idle_counter++;
+       } else {
+               if (!RTS51X_CHK_STAT(chip, STAT_IDLE)) {
+                       RTS51X_DEBUGP("Idle state!\n");
+                       RTS51X_SET_STAT(chip, STAT_IDLE);
+#ifndef LED_AUTO_BLINK
+                       chip->led_toggle_counter = 0;
+#endif
+                       /* Idle state, turn off LED
+                        * to reduce power consumption */
+                       if (chip->option.led_always_on
+                           && (chip->card_exist &
+                               (SD_CARD | MS_CARD | XD_CARD))
+                           && (!chip->card_ejected)) {
+                               turn_on_led(chip, LED_GPIO);
+                       } else {
+                               if (chip->rts5179) {
+                                       rts51x_ep0_write_register(chip,
+                                                                 CARD_GPIO,
+                                                                 0x03, 0x00);
+                               } else {
+                                       turn_off_led(chip, LED_GPIO);
+                               }
+
+                       }
+
+#ifdef CLOSE_SSC_POWER
+                       if (!chip->card_ready) {
+                               rts51x_write_register(chip, CLK_DIV, CLK_CHANGE,
+                                                     CLK_CHANGE);
+                               rts51x_write_register(chip, FPDCTL,
+                                                     SSC_POWER_MASK,
+                                                     SSC_POWER_DOWN);
+                               RTS51X_DEBUGP("Close SSC clock power!\n");
+                       }
+#endif
+               }
+       }
+
+       switch (RTS51X_GET_STAT(chip)) {
+       case STAT_RUN:
+#ifndef LED_AUTO_BLINK
+               rts51x_blink_led(chip);
+#endif
+               do_remaining_work(chip);
+               break;
+
+       case STAT_IDLE:
+               break;
+
+       default:
+               break;
+       }
+
+       if (chip->option.auto_delink_en && !chip->card_ready) {
+               rts51x_auto_delink(chip);
+       } else {
+               chip->auto_delink_counter = 0;
+               rts51x_clear_start_time(chip);
+       }
+}
+
+void rts51x_add_cmd(struct rts51x_chip *chip,
+                   u8 cmd_type, u16 reg_addr, u8 mask, u8 data)
+{
+       int i;
+
+       if (chip->cmd_idx < ((CMD_BUF_LEN - CMD_OFFSET) / 4)) {
+               i = CMD_OFFSET + chip->cmd_idx * 4;
+               chip->cmd_buf[i++] =
+                   ((cmd_type & 0x03) << 6) | (u8) ((reg_addr >> 8) & 0x3F);
+               chip->cmd_buf[i++] = (u8) reg_addr;
+               chip->cmd_buf[i++] = mask;
+               chip->cmd_buf[i++] = data;
+               chip->cmd_idx++;
+       }
+}
+
+int rts51x_send_cmd(struct rts51x_chip *chip, u8 flag, int timeout)
+{
+       int result;
+
+       chip->cmd_buf[CNT_H] = (u8) (chip->cmd_idx >> 8);
+       chip->cmd_buf[CNT_L] = (u8) (chip->cmd_idx);
+       chip->cmd_buf[STAGE_FLAG] = flag;
+
+       result = rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip),
+                                         (void *)(chip->cmd_buf),
+                                         chip->cmd_idx * 4 + CMD_OFFSET,
+                                         0, NULL, timeout, MODE_C);
+       if (result != STATUS_SUCCESS)
+               TRACE_RET(chip, result);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_get_rsp(struct rts51x_chip *chip, int rsp_len, int timeout)
+{
+       int result;
+
+       if (rsp_len <= 0)
+               TRACE_RET(chip, STATUS_ERROR);
+       /* rsp_len must aligned to dword */
+       if (rsp_len % 4)
+               rsp_len += (4 - rsp_len % 4);
+
+       result = rts51x_transfer_data_rcc(chip, RCV_BULK_PIPE(chip),
+                                         (void *)chip->rsp_buf, rsp_len,
+                                         0, NULL, timeout, STAGE_R);
+       if (result != STATUS_SUCCESS)
+               TRACE_RET(chip, result);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_get_card_status(struct rts51x_chip *chip, u16 * status)
+{
+       int retval;
+       u16 val;
+
+#ifdef GET_CARD_STATUS_USING_EPC
+       retval = rts51x_get_epc_status(chip, &val);
+
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#else
+       retval = rts51x_ctrl_transfer(chip, RCV_CTRL_PIPE(chip), 0x02, 0xC0,
+                                     0, 0, &val, 2, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#endif
+
+       if (status)
+               *status = val;
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, u8 data)
+{
+       int retval;
+
+       rts51x_init_cmd(chip);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, addr, mask, data);
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_read_register(struct rts51x_chip *chip, u16 addr, u8 * data)
+{
+       int retval;
+
+       if (data)
+               *data = 0;
+       rts51x_init_cmd(chip);
+       rts51x_add_cmd(chip, READ_REG_CMD, addr, 0, 0);
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       retval = rts51x_get_rsp(chip, 1, 100);
+
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (data)
+               *data = chip->rsp_buf[0];
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_ep0_write_register(struct rts51x_chip *chip, u16 addr, u8 mask,
+                             u8 data)
+{
+       int retval;
+       u16 value = 0, index = 0;
+
+       value |= (u16) (3 & 0x03) << 14;
+       value |= (u16) (addr & 0x3FFF);
+       index |= (u16) mask << 8;
+       index |= (u16) data;
+
+       retval = rts51x_ctrl_transfer(chip, SND_CTRL_PIPE(chip), 0x00, 0x40,
+                                     cpu_to_be16(value), cpu_to_be16(index),
+                                     NULL, 0, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_ep0_read_register(struct rts51x_chip *chip, u16 addr, u8 * data)
+{
+       int retval;
+       u16 value = 0;
+       u8 val;
+
+       if (data)
+               *data = 0;
+
+       value |= (u16) (2 & 0x03) << 14;
+       value |= (u16) (addr & 0x3FFF);
+
+       retval = rts51x_ctrl_transfer(chip, RCV_CTRL_PIPE(chip), 0x00, 0xC0,
+                                     cpu_to_be16(value), 0, &val, 1, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (data)
+               *data = val;
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_seq_write_register(struct rts51x_chip *chip, u16 addr, u16 len,
+                             u8 *data)
+{
+       int result;
+       u16 cmd_len = len + 12;
+
+       if (!data)
+               TRACE_RET(chip, STATUS_ERROR);
+
+       cmd_len = (cmd_len <= CMD_BUF_LEN) ? cmd_len : CMD_BUF_LEN;
+
+       /* cmd_len must aligned to dword */
+       if (cmd_len % 4)
+               cmd_len += (4 - cmd_len % 4);
+
+       chip->cmd_buf[0] = 'R';
+       chip->cmd_buf[1] = 'T';
+       chip->cmd_buf[2] = 'C';
+       chip->cmd_buf[3] = 'R';
+       chip->cmd_buf[PACKET_TYPE] = SEQ_WRITE;
+       chip->cmd_buf[5] = (u8) (len >> 8);
+       chip->cmd_buf[6] = (u8) len;
+       chip->cmd_buf[STAGE_FLAG] = 0;
+       chip->cmd_buf[8] = (u8) (addr >> 8);
+       chip->cmd_buf[9] = (u8) addr;
+
+       memcpy(chip->cmd_buf + 12, data, len);
+
+       result = rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip),
+                                         (void *)(chip->cmd_buf), cmd_len, 0,
+                                         NULL, 100, MODE_C);
+       if (result != STATUS_SUCCESS)
+               TRACE_RET(chip, result);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_seq_read_register(struct rts51x_chip *chip, u16 addr, u16 len,
+                            u8 *data)
+{
+       int result;
+       u16 rsp_len;
+
+       if (!data)
+               TRACE_RET(chip, STATUS_ERROR);
+       /* rsp_len must aligned to dword */
+       if (len % 4)
+               rsp_len = len + (4 - len % 4);
+       else
+               rsp_len = len;
+
+       chip->cmd_buf[0] = 'R';
+       chip->cmd_buf[1] = 'T';
+       chip->cmd_buf[2] = 'C';
+       chip->cmd_buf[3] = 'R';
+       chip->cmd_buf[PACKET_TYPE] = SEQ_READ;
+       chip->cmd_buf[5] = (u8) (rsp_len >> 8);
+       chip->cmd_buf[6] = (u8) rsp_len;
+       chip->cmd_buf[STAGE_FLAG] = STAGE_R;
+       chip->cmd_buf[8] = (u8) (addr >> 8);
+       chip->cmd_buf[9] = (u8) addr;
+
+       result = rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip),
+                                         (void *)(chip->cmd_buf), 12, 0, NULL,
+                                         100, MODE_C);
+       if (result != STATUS_SUCCESS)
+               TRACE_RET(chip, result);
+
+       result = rts51x_transfer_data_rcc(chip, RCV_BULK_PIPE(chip),
+                                         (void *)data, rsp_len, 0, NULL, 100,
+                                         STAGE_DI);
+       if (result != STATUS_SUCCESS)
+               TRACE_RET(chip, result);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_read_ppbuf(struct rts51x_chip *chip, u8 * buf, int buf_len)
+{
+       int retval;
+
+       if (!buf)
+               TRACE_RET(chip, STATUS_ERROR);
+
+       retval =
+           rts51x_seq_read_register(chip, PPBUF_BASE2, (u16) buf_len, buf);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_write_ppbuf(struct rts51x_chip *chip, u8 * buf, int buf_len)
+{
+       int retval;
+
+       if (!buf)
+               TRACE_RET(chip, STATUS_ERROR);
+
+       retval =
+           rts51x_seq_write_register(chip, PPBUF_BASE2, (u16) buf_len, buf);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_write_phy_register(struct rts51x_chip *chip, u8 addr, u8 val)
+{
+       int retval;
+
+       RTS51X_DEBUGP("Write 0x%x to phy register 0x%x\n", val, addr);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VSTAIN, 0xFF, val);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF, addr & 0x0F);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF,
+                      (addr >> 4) & 0x0F);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01);
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_read_phy_register(struct rts51x_chip *chip, u8 addr, u8 * val)
+{
+       int retval;
+
+       RTS51X_DEBUGP("Read from phy register 0x%x\n", addr);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF, 0x07);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF,
+                      (addr >> 4) & 0x0F);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VCONTROL, 0xFF, addr & 0x0F);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, HS_VLOADM, 0xFF, 0x01);
+       rts51x_add_cmd(chip, READ_REG_CMD, HS_VSTAOUT, 0, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 1, 100);
+
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (val)
+               *val = chip->rsp_buf[0];
+
+       RTS51X_DEBUGP("Return value: 0x%x\n", chip->rsp_buf[0]);
+
+       return STATUS_SUCCESS;
+}
+
+void rts51x_do_before_power_down(struct rts51x_chip *chip)
+{
+       RTS51X_DEBUGP("rts51x_do_before_power_down\n");
+
+       rts51x_prepare_run(chip);
+
+       rts51x_release_cards(chip);
+       if (chip->rts5179)
+               rts51x_ep0_write_register(chip, CARD_GPIO, 0x03, 0x00);
+       else
+               turn_off_led(chip, LED_GPIO);
+
+       chip->cur_clk = 0;
+       chip->card_exist = 0;
+       chip->cur_card = 0;
+       if (chip->asic_code && !chip->option.ww_enable) {
+               if (CHECK_PKG(chip, LQFP48)) {
+                       rts51x_write_register(chip, CARD_PULL_CTL3, 0x80, 0x00);
+                       rts51x_write_register(chip, CARD_PULL_CTL6, 0xf0, 0x50);
+               } else {
+                       rts51x_write_register(chip, CARD_PULL_CTL1, 0x30, 0x10);
+                       rts51x_write_register(chip, CARD_PULL_CTL3, 0x80, 0x00);
+                       rts51x_write_register(chip, CARD_PULL_CTL6, 0x0c, 0x04);
+               }
+       }
+       if (CHECK_PKG(chip, LQFP48))
+               rts51x_write_register(chip, CARD_PWR_CTL, LDO3318_PWR_MASK,
+                                     LDO_OFF);
+}
+
+void rts51x_clear_hw_error(struct rts51x_chip *chip)
+{
+       rts51x_ep0_write_register(chip, SFSM_ED, 0xf8, 0xf8);
+}
+
+void rts51x_prepare_run(struct rts51x_chip *chip)
+{
+#ifdef CLOSE_SSC_POWER
+       if (RTS51X_CHK_STAT(chip, STAT_IDLE) && (!chip->card_ready)) {
+               rts51x_write_register(chip, FPDCTL, SSC_POWER_MASK,
+                                     SSC_POWER_ON);
+               udelay(100);
+               RTS51X_DEBUGP("Open SSC clock power.\n");
+
+               rts51x_write_register(chip, CLK_DIV, CLK_CHANGE, 0x00);
+       }
+#endif
+#if 0
+       if (chip->option.ss_en && RTS51X_CHK_STAT(chip, STAT_SS)) {
+               rts51x_try_to_exit_ss(chip);
+               wait_timeout(100);
+               rts51x_init_chip(chip);
+               rts51x_init_cards(chip);
+       }
+
+       RTS51X_SET_STAT(chip, STAT_RUN);
+#endif
+}
+
+#ifdef _MSG_TRACE
+void rts51x_trace_msg(struct rts51x_chip *chip, unsigned char *buf, int clear)
+{
+       unsigned char *ptr;
+       int i, msg_cnt;
+
+       if (!buf)
+               return;
+
+       ptr = buf;
+
+       if (chip->trace_msg[chip->msg_idx].valid)
+               msg_cnt = TRACE_ITEM_CNT;
+       else
+               msg_cnt = chip->msg_idx;
+       *(ptr++) = (u8) (msg_cnt >> 24);
+       *(ptr++) = (u8) (msg_cnt >> 16);
+       *(ptr++) = (u8) (msg_cnt >> 8);
+       *(ptr++) = (u8) msg_cnt;
+       RTS51X_DEBUGP("Trace message count is %d\n", msg_cnt);
+
+       for (i = 1; i <= msg_cnt; i++) {
+               int j, idx;
+
+               idx = chip->msg_idx - i;
+               if (idx < 0)
+                       idx += TRACE_ITEM_CNT;
+
+               *(ptr++) = (u8) (chip->trace_msg[idx].line >> 8);
+               *(ptr++) = (u8) (chip->trace_msg[idx].line);
+               for (j = 0; j < MSG_FUNC_LEN; j++)
+                       *(ptr++) = chip->trace_msg[idx].func[j];
+               for (j = 0; j < MSG_FILE_LEN; j++)
+                       *(ptr++) = chip->trace_msg[idx].file[j];
+               for (j = 0; j < TIME_VAL_LEN; j++)
+                       *(ptr++) = chip->trace_msg[idx].timeval_buf[j];
+       }
+
+       if (clear) {
+               chip->msg_idx = 0;
+               for (i = 0; i < TRACE_ITEM_CNT; i++)
+                       chip->trace_msg[i].valid = 0;
+       }
+}
+#endif
+
+void rts51x_pp_status(struct rts51x_chip *chip, unsigned int lun, u8 * status,
+                     u8 status_len)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       struct ms_info *ms_card = &(chip->ms_card);
+       u8 card = get_lun_card(chip, lun);
+#ifdef SUPPORT_OC
+       u8 oc_now_mask = 0, oc_ever_mask = 0;
+#endif
+
+       if (!status || (status_len < 32))
+               return;
+       /* IC Version */
+       status[0] = (u8) RTS51X_GET_PID(chip);
+       status[1] = (u8) (chip->ic_version);
+
+       /* Auto delink mode */
+       if (chip->option.auto_delink_en)
+               status[2] = 0x10;
+       else
+               status[2] = 0x00;
+
+       /* Spec version */
+       status[3] = 20;
+       status[4] = 10;
+       status[5] = 05;
+       status[6] = 21;
+
+       /* Card WP */
+       if (chip->card_wp)
+               status[7] = 0x20;
+       else
+               status[7] = 0x00;
+
+#ifdef SUPPORT_OC
+       /* Over current status */
+       status[8] = 0;
+       oc_now_mask = MS_OCP_NOW;
+       oc_ever_mask = MS_OCP_EVER;
+
+       if (chip->ocp_stat & oc_now_mask)
+               status[8] |= 0x02;
+       if (chip->ocp_stat & oc_ever_mask)
+               status[8] |= 0x01;
+#endif
+
+       if (card == SD_CARD) {
+               if (CHK_SD(sd_card)) {
+                       if (CHK_SD_HCXC(sd_card)) {
+                               if (sd_card->capacity > 0x4000000)
+                                       /* SDXC */
+                                       status[0x0E] = 0x02;
+                               else /* SDHC */
+                                       status[0x0E] = 0x01;
+                       } else { /* SDSC */
+                               status[0x0E] = 0x00;
+                       }
+
+                       if (CHK_SD_SDR104(sd_card))
+                               status[0x0F] = 0x03;
+                       else if (CHK_SD_DDR50(sd_card))
+                               status[0x0F] = 0x04;
+                       else if (CHK_SD_SDR50(sd_card))
+                               status[0x0F] = 0x02;
+                       else if (CHK_SD_HS(sd_card))
+                               status[0x0F] = 0x01;
+                       else
+                               status[0x0F] = 0x00; /* Normal speed */
+               } else {
+                       if (CHK_MMC_SECTOR_MODE(sd_card))
+                               status[0x0E] = 0x01; /* High capacity */
+                       else
+                               status[0x0E] = 0x00; /* Normal capacity */
+
+                       if (CHK_MMC_DDR52(sd_card))
+                               status[0x0F] = 0x03; /* DDR 52M */
+                       else if (CHK_MMC_52M(sd_card))
+                               status[0x0F] = 0x02; /* SDR 52M */
+                       else if (CHK_MMC_26M(sd_card))
+                               status[0x0F] = 0x01; /* SDR 26M */
+                       else
+                               status[0x0F] = 0x00; /* Normal speed */
+               }
+       } else if (card == MS_CARD) {
+               if (CHK_MSPRO(ms_card)) {
+                       if (CHK_MSXC(ms_card))
+                               status[0x0E] = 0x01; /* XC */
+                       else
+                               status[0x0E] = 0x00;
+
+                       if (CHK_HG8BIT(ms_card))
+                               status[0x0F] = 0x01;
+                       else
+                               status[0x0F] = 0x00;
+               }
+       }
+#ifdef SUPPORT_SD_LOCK
+       /* SD Lock/Unlock */
+       if (card == SD_CARD) {
+               status[0x17] = 0x80;
+               if (sd_card->sd_erase_status)
+                       status[0x17] |= 0x01; /* Under erasing */
+               if (sd_card->sd_lock_status & SD_LOCKED) {
+                       status[0x17] |= 0x02; /* Locked */
+                       status[0x07] |= 0x40; /* Read protected */
+               }
+               if (sd_card->sd_lock_status & SD_PWD_EXIST)
+                       status[0x17] |= 0x04; /* Contain PWD */
+       } else {
+               status[0x17] = 0x00;
+       }
+
+       RTS51X_DEBUGP("status[0x17] = 0x%x\n", status[0x17]);
+#endif
+
+       /* Function 0
+        * Support Magic Gate, CPRM and PhyRegister R/W */
+       status[0x18] = 0x8A;
+
+       /* Function 2
+        * Support OC LUN status & WP LUN status */
+       status[0x1A] = 0x28;
+
+       /* Function 7 */
+#ifdef SUPPORT_SD_LOCK
+       /* Support SD Lock/Unlock */
+       status[0x1F] = 0x01;
+#endif
+
+       /* Function 2
+        * Support OC LUN status & WP LUN status */
+       status[0x1A] = 0x28;
+}
+
+void rts51x_read_status(struct rts51x_chip *chip, unsigned int lun,
+                       u8 *rts51x_status, u8 status_len)
+{
+       if (!rts51x_status || (status_len < 16))
+               return;
+       /* VID */
+       rts51x_status[0] = (u8) (RTS51X_GET_VID(chip) >> 8);
+       rts51x_status[1] = (u8) RTS51X_GET_VID(chip);
+
+       /* PID */
+       rts51x_status[2] = (u8) (RTS51X_GET_PID(chip) >> 8);
+       rts51x_status[3] = (u8) RTS51X_GET_PID(chip);
+
+       /* gbLUN */
+       rts51x_status[4] = (u8) lun;
+
+       /* Lun Card Number */
+       if (chip->card_exist) {
+               if (chip->card_exist & XD_CARD)
+                       rts51x_status[5] = 4; /* xD Card */
+               else if (chip->card_exist & SD_CARD)
+                       rts51x_status[5] = 2; /* SD Card */
+               else if (chip->card_exist & MS_CARD)
+                       rts51x_status[5] = 3; /* MS Card */
+               else
+                       rts51x_status[5] = 7; /* Multi */
+       } else {
+               rts51x_status[5] = 7;   /* Multi */
+       }
+
+       /* Total LUNs */
+       rts51x_status[6] = 1;
+
+       /* IC Version */
+       rts51x_status[7] = (u8) RTS51X_GET_PID(chip);
+       rts51x_status[8] = chip->ic_version;
+
+       /* Physical Exist */
+       if (check_card_exist(chip, lun))
+               rts51x_status[9] = 1;
+       else
+               rts51x_status[9] = 0;
+
+       /* Multi Flag */
+       rts51x_status[10] = 1;
+
+       /* LUN Valid Map */
+       rts51x_status[11] = XD_CARD | SD_CARD | MS_CARD;
+
+       /* Logical Exist */
+       if (check_card_ready(chip, lun))
+               rts51x_status[12] = 1;
+       else
+               rts51x_status[12] = 0;
+
+       /* Detailed Type */
+       if (get_lun_card(chip, lun) == XD_CARD) {
+               rts51x_status[13] = 0x40;
+       } else if (get_lun_card(chip, lun) == SD_CARD) {
+               struct sd_info *sd_card = &(chip->sd_card);
+
+               rts51x_status[13] = 0x20;
+               if (CHK_SD(sd_card)) {
+                       if (CHK_SD_HCXC(sd_card))
+                               rts51x_status[13] |= 0x04; /* Hi capacity SD */
+                       if (CHK_SD_HS(sd_card))
+                               rts51x_status[13] |= 0x02; /* Hi speed SD */
+               } else {
+                       rts51x_status[13] |= 0x08; /* MMC card */
+                       if (CHK_MMC_52M(sd_card))
+                               rts51x_status[13] |= 0x02; /* Hi speed */
+                       if (CHK_MMC_SECTOR_MODE(sd_card))
+                               rts51x_status[13] |= 0x04; /* Hi capacity */
+               }
+       } else if (get_lun_card(chip, lun) == MS_CARD) {
+               struct ms_info *ms_card = &(chip->ms_card);
+
+               if (CHK_MSPRO(ms_card)) {
+                       rts51x_status[13] = 0x38; /* MS Pro */
+                       if (CHK_HG8BIT(ms_card))
+                               rts51x_status[13] |= 0x04; /* HG */
+#ifdef SUPPORT_MSXC
+                       if (CHK_MSXC(ms_card))
+                               rts51x_status[13] |= 0x01; /* MSXC */
+#endif
+               } else {
+                       rts51x_status[13] = 0x30;
+               }
+       } else {
+               rts51x_status[13] = 0x70;
+       }
+/* Support OC, auto delink, vendor r/w, get bus width */
+       rts51x_status[14] = 0x78;
+
+       rts51x_status[15] = 0x82;
+}
+
+int rts51x_transfer_data_rcc(struct rts51x_chip *chip, unsigned int pipe,
+                            void *buf, unsigned int len, int use_sg,
+                            unsigned int *act_len, int timeout, u8 stage_flag)
+{
+       int retval;
+
+       retval =
+           rts51x_transfer_data(chip, pipe, buf, len, use_sg, act_len,
+                                timeout);
+
+       return retval;
+
+}
diff --git a/drivers/staging/rts5139/rts51x_chip.h b/drivers/staging/rts5139/rts51x_chip.h
new file mode 100644 (file)
index 0000000..321ece7
--- /dev/null
@@ -0,0 +1,904 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_CHIP_H
+#define __RTS51X_CHIP_H
+
+#include <linux/usb.h>
+#include <linux/usb_usual.h>
+#include <linux/blkdev.h>
+#include <linux/completion.h>
+#include <linux/mutex.h>
+#include <scsi/scsi_host.h>
+
+#include "trace.h"
+
+#define SUPPORT_CPRM
+#define SUPPORT_MAGIC_GATE
+#define SUPPORT_MSXC
+/* #define LED_AUTO_BLINK */
+
+/* { wwang, 2010-07-26
+ * Add support for SD lock/unlock */
+/* #define SUPPORT_SD_LOCK */
+/* } wwang, 2010-07-26 */
+
+#ifdef SUPPORT_MAGIC_GA
+/* Using NORMAL_WRITE instead of AUTO_WRITE to set ICVTE */
+#define MG_SET_ICV_SLOW
+#endif
+
+#ifdef SUPPORT_MSXC
+#define XC_POWERCLASS
+#define SUPPORT_PCGL_1P18
+#endif
+
+#define GET_CARD_STATUS_USING_EPC
+
+#define CLOSE_SSC_POWER
+
+#define SUPPORT_OCP
+
+#define MS_SPEEDUP
+/* #define XD_SPEEDUP */
+
+#define SD_XD_IO_FOLLOW_PWR
+
+#define SD_NR          2
+#define MS_NR          3
+#define XD_NR          4
+#define SD_CARD                (1 << SD_NR)
+#define MS_CARD                (1 << MS_NR)
+#define XD_CARD                (1 << XD_NR)
+
+#define SD_CD          0x01
+#define MS_CD          0x02
+#define XD_CD          0x04
+#define SD_WP          0x08
+
+#define MAX_ALLOWED_LUN_CNT    8
+#define CMD_BUF_LEN            1024
+#define RSP_BUF_LEN            1024
+#define POLLING_INTERVAL       50      /* 50ms */
+
+#define XD_FREE_TABLE_CNT      1200
+#define MS_FREE_TABLE_CNT      512
+
+/* Bit Operation */
+#define SET_BIT(data, idx)     ((data) |= 1 << (idx))
+#define CLR_BIT(data, idx)     ((data) &= ~(1 << (idx)))
+#define CHK_BIT(data, idx)     ((data) & (1 << (idx)))
+
+/* Command type */
+#define READ_REG_CMD           0
+#define WRITE_REG_CMD          1
+#define CHECK_REG_CMD          2
+
+#define PACKET_TYPE            4
+#define CNT_H                  5
+#define CNT_L                  6
+#define STAGE_FLAG             7
+#define CMD_OFFSET             8
+
+/* Packet type */
+#define BATCH_CMD              0
+#define SEQ_READ               1
+#define SEQ_WRITE              2
+
+/* Stage flag */
+#define STAGE_R                        0x01
+#define STAGE_DI               0x02
+#define STAGE_DO               0x04
+/* Return MS_TRANS_CFG, GET_INT */
+#define STAGE_MS_STATUS                0x08
+/* Return XD_CFG, XD_CTL, XD_PAGE_STATUS */
+#define STAGE_XD_STATUS                0x10
+/* Command stage mode */
+#define MODE_C                 0x00
+#define MODE_CR                        (STAGE_R)
+#define MODE_CDIR              (STAGE_R | STAGE_DI)
+#define MODE_CDOR              (STAGE_R | STAGE_DO)
+
+/* Function return code */
+#ifndef STATUS_SUCCESS
+#define STATUS_SUCCESS         0
+#endif
+
+#define STATUS_FAIL            1
+#define STATUS_READ_FAIL       2
+#define STATUS_WRITE_FAIL      3
+#define STATUS_TIMEDOUT                4
+#define STATUS_NOMEM           5
+#define STATUS_TRANS_SHORT     6
+#define STATUS_TRANS_LONG      7
+#define STATUS_STALLED         8
+#define STATUS_ERROR           10
+
+#define IDLE_MAX_COUNT         10
+#define POLLING_WAIT_CNT       1
+#define DELINK_DELAY           100
+#define LED_TOGGLE_INTERVAL    6
+#define LED_GPIO               0
+
+/* package */
+#define QFN24                  0
+#define LQFP48                 1
+
+#define USB_11                 0
+#define USB_20                 1
+
+/*
+ * Transport return codes
+ */
+/* Transport good, command good */
+#define TRANSPORT_GOOD         0
+/* Transport good, command failed */
+#define TRANSPORT_FAILED       1
+/* Command failed, no auto-sense */
+#define TRANSPORT_NO_SENSE     2
+/* Transport bad (i.e. device dead) */
+#define TRANSPORT_ERROR                3
+
+/* Supported Clock */
+enum card_clock { CLK_20 = 1, CLK_30, CLK_40, CLK_50, CLK_60, CLK_80, CLK_100 };
+
+#ifdef _MSG_TRACE
+
+#define TRACE_ITEM_CNT         64
+
+struct trace_msg_t {
+       u16 line;
+#define MSG_FUNC_LEN 64
+       char func[MSG_FUNC_LEN];
+#define MSG_FILE_LEN 32
+       char file[MSG_FILE_LEN];
+#define TIME_VAL_LEN 16
+       u8 timeval_buf[TIME_VAL_LEN];
+       u8 valid;
+};
+
+#endif /* _MSG_TRACE */
+
+/* Size of the autosense data buffer */
+#define SENSE_SIZE             18
+
+/* Sense type */
+#define        SENSE_TYPE_NO_SENSE                             0
+#define        SENSE_TYPE_MEDIA_CHANGE                         1
+#define        SENSE_TYPE_MEDIA_NOT_PRESENT                    2
+#define        SENSE_TYPE_MEDIA_LBA_OVER_RANGE                 3
+#define        SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT                4
+#define        SENSE_TYPE_MEDIA_WRITE_PROTECT                  5
+#define        SENSE_TYPE_MEDIA_INVALID_CMD_FIELD              6
+#define        SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR             7
+#define        SENSE_TYPE_MEDIA_WRITE_ERR                      8
+#define SENSE_TYPE_FORMAT_IN_PROGRESS                  9
+#define SENSE_TYPE_FORMAT_CMD_FAILED                   10
+#ifdef SUPPORT_MAGIC_GATE
+/* COPY PROTECTION KEY EXCHANGE FAILURE - KEY NOT ESTABLISHED */
+#define SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB               0x0b
+/* COPY PROTECTION KEY EXCHANGE FAILURE - AUTHENTICATION FAILURE */
+#define SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN              0x0c
+/* INCOMPATIBLE MEDIUM INSTALLED */
+#define SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM              0x0d
+/* WRITE ERROR */
+#define SENSE_TYPE_MG_WRITE_ERR                                0x0e
+#endif
+#ifdef SUPPORT_SD_LOCK
+/* FOR Locked SD card */
+#define SENSE_TYPE_MEDIA_READ_FORBIDDEN                        0x10
+#endif
+
+/*---- sense key ----*/
+#define ILI                     0x20   /* ILI bit is on                    */
+
+#define NO_SENSE                0x00   /* not exist sense key              */
+#define RECOVER_ERR             0x01   /* Target/Logical unit is recoverd  */
+#define NOT_READY               0x02   /* Logical unit is not ready        */
+#define MEDIA_ERR               0x03   /* medium/data error                */
+#define HARDWARE_ERR            0x04   /* hardware error                   */
+#define ILGAL_REQ               0x05   /* CDB/parameter/identify msg error */
+#define UNIT_ATTENTION          0x06   /* unit attention condition occur   */
+#define DAT_PRTCT               0x07   /* read/write is desable            */
+#define BLNC_CHK                0x08   /* find blank/DOF in read           */
+                                       /* write to unblank area            */
+#define CPY_ABRT                0x0a   /* Copy/Compare/Copy&Verify illgal  */
+#define ABRT_CMD                0x0b   /* Target make the command in error */
+#define EQUAL                   0x0c   /* Search Data end with Equal       */
+#define VLM_OVRFLW              0x0d   /* Some data are left in buffer     */
+#define MISCMP                  0x0e   /* find inequality                  */
+
+/*-----------------------------------
+    SENSE_DATA
+-----------------------------------*/
+/*---- valid ----*/
+#define SENSE_VALID             0x80   /* Sense data is valid as SCSI2     */
+#define SENSE_INVALID           0x00   /* Sense data is invalid as SCSI2   */
+
+/*---- error code ----*/
+#define CUR_ERR                 0x70   /* current error                    */
+#define DEF_ERR                 0x71   /* specific command error           */
+
+/*---- sense key Infomation ----*/
+#define SNSKEYINFO_LEN          3      /* length of sense key infomation   */
+
+#define SKSV                    0x80
+#define CDB_ILLEGAL             0x40
+#define DAT_ILLEGAL             0x00
+#define BPV                     0x08
+#define BIT_ILLEGAL0            0      /* bit0 is illegal                  */
+#define BIT_ILLEGAL1            1      /* bit1 is illegal                  */
+#define BIT_ILLEGAL2            2      /* bit2 is illegal                  */
+#define BIT_ILLEGAL3            3      /* bit3 is illegal                  */
+#define BIT_ILLEGAL4            4      /* bit4 is illegal                  */
+#define BIT_ILLEGAL5            5      /* bit5 is illegal                  */
+#define BIT_ILLEGAL6            6      /* bit6 is illegal                  */
+#define BIT_ILLEGAL7            7      /* bit7 is illegal                  */
+
+/*---- ASC ----*/
+#define ASC_NO_INFO             0x00
+#define ASC_MISCMP              0x1d
+#define ASC_INVLD_CDB           0x24
+#define ASC_INVLD_PARA          0x26
+#define ASC_LU_NOT_READY       0x04
+#define ASC_WRITE_ERR           0x0c
+#define ASC_READ_ERR            0x11
+#define ASC_LOAD_EJCT_ERR       0x53
+#define        ASC_MEDIA_NOT_PRESENT   0x3A
+#define        ASC_MEDIA_CHANGED       0x28
+#define        ASC_MEDIA_IN_PROCESS    0x04
+#define        ASC_WRITE_PROTECT       0x27
+#define ASC_LUN_NOT_SUPPORTED  0x25
+
+/*---- ASQC ----*/
+#define ASCQ_NO_INFO            0x00
+#define        ASCQ_MEDIA_IN_PROCESS   0x01
+#define ASCQ_MISCMP             0x00
+#define ASCQ_INVLD_CDB          0x00
+#define ASCQ_INVLD_PARA         0x02
+#define ASCQ_LU_NOT_READY      0x02
+#define ASCQ_WRITE_ERR          0x02
+#define ASCQ_READ_ERR           0x00
+#define ASCQ_LOAD_EJCT_ERR      0x00
+#define        ASCQ_WRITE_PROTECT      0x00
+
+struct sense_data_t {
+       unsigned char err_code; /* error code */
+       /* bit7 : valid                    */
+       /*   (1 : SCSI2)                    */
+       /*   (0 : Vendor specific)          */
+       /* bit6-0 : error code             */
+       /*  (0x70 : current error)          */
+       /*  (0x71 : specific command error) */
+       unsigned char seg_no;   /* segment No.                      */
+       unsigned char sense_key;        /* byte5 : ILI                      */
+       /* bit3-0 : sense key              */
+       unsigned char info[4];  /* infomation                       */
+       unsigned char ad_sense_len;     /* additional sense data length     */
+       unsigned char cmd_info[4];      /* command specific infomation      */
+       unsigned char asc;      /* ASC                              */
+       unsigned char ascq;     /* ASCQ                             */
+       unsigned char rfu;      /* FRU                              */
+       unsigned char sns_key_info[3];  /* sense key specific infomation    */
+};
+
+/* sd_ctl bit map */
+/* SD push point control, bit 0, 1 */
+#define SD_PUSH_POINT_CTL_MASK         0x03
+#define SD_PUSH_POINT_DELAY            0x01
+#define SD_PUSH_POINT_AUTO             0x02
+/* SD sample point control, bit 2, 3 */
+#define SD_SAMPLE_POINT_CTL_MASK       0x0C
+#define SD_SAMPLE_POINT_DELAY          0x04
+#define SD_SAMPLE_POINT_AUTO           0x08
+/* SD DDR Tx phase set by user, bit 4 */
+#define SD_DDR_TX_PHASE_SET_BY_USER    0x10
+/* MMC DDR Tx phase set by user, bit 5 */
+#define MMC_DDR_TX_PHASE_SET_BY_USER   0x20
+/* Support MMC DDR mode, bit 6 */
+/*#define SUPPORT_MMC_DDR_MODE          0x40 */
+#define SUPPORT_UHS50_MMC44            0x40
+
+struct rts51x_option {
+       u8 led_blink_speed;
+
+       int mspro_formatter_enable;
+
+       /* card clock expected by user for fpga platform */
+       int fpga_sd_sdr104_clk;
+       int fpga_sd_ddr50_clk;
+       int fpga_sd_sdr50_clk;
+       int fpga_sd_hs_clk;
+       int fpga_mmc_52m_clk;
+       int fpga_ms_hg_clk;
+       int fpga_ms_4bit_clk;
+
+       /* card clock expected by user for asic platform */
+       int asic_sd_sdr104_clk;
+       int asic_sd_ddr50_clk;
+       int asic_sd_sdr50_clk;
+       int asic_sd_hs_clk;
+       int asic_mmc_52m_clk;
+       int asic_ms_hg_clk;
+       int asic_ms_4bit_clk;
+
+       u8 ssc_depth_sd_sdr104; /* sw */
+       u8 ssc_depth_sd_ddr50;  /* sw */
+       u8 ssc_depth_sd_sdr50;  /* sw */
+       u8 ssc_depth_sd_hs;     /* sw */
+       u8 ssc_depth_mmc_52m;   /* sw */
+       u8 ssc_depth_ms_hg;     /* sw */
+       u8 ssc_depth_ms_4bit;   /* sw */
+       u8 ssc_depth_low_speed; /* sw */
+
+       /* SD/MMC Tx phase */
+       int sd_ddr_tx_phase;    /* Enabled by bit 4 of sd_ctl */
+       int mmc_ddr_tx_phase;   /* Enabled by bit 5 of sd_ctl */
+
+       /* priority of choosing sd speed funciton */
+       u32 sd_speed_prior;
+
+       /* sd card control */
+       u32 sd_ctl;
+
+       /* Enable Selective Suspend */
+       int ss_en;
+       /* Interval to enter SS from IDLE state (second) */
+       int ss_delay;
+       int needs_remote_wakeup;
+       u8 ww_enable;   /* sangdy2010-08-03:add for remote wakeup */
+
+       /* Enable SSC clock */
+       int ssc_en;
+
+       int auto_delink_en;
+
+       /* sangdy2010-07-13:add FT2 fast mode */
+       int FT2_fast_mode;
+       /* sangdy2010-07-15:
+        * add for config delay between 1/4 PMOS and 3/4 PMOS */
+       int pwr_delay;
+
+       int xd_rw_step;         /* add to tune xd tRP */
+       int D3318_off_delay;    /* add to tune D3318 off delay time */
+       int delink_delay;       /* add to tune delink delay time */
+       /* add for rts5129 to enable/disable D3318 off */
+       u8 rts5129_D3318_off_enable;
+       u8 sd20_pad_drive;      /* add to config SD20 PAD drive */
+       u8 sd30_pad_drive;      /* add to config SD30 pad drive */
+       /*if reset or rw fail,then set SD20 pad drive again */
+       u8 reset_or_rw_fail_set_pad_drive;
+
+       u8 rcc_fail_flag;       /* add to indicate whether rcc bug happen */
+       u8 rcc_bug_fix_en;      /* if set,then support fixing rcc bug */
+       u8 debounce_num;        /* debounce number */
+       int polling_time;       /* polling delay time */
+       u8 led_toggle_interval; /* used to control led toggle speed */
+       int xd_rwn_step;
+       u8 sd_send_status_en;
+       /* used to store default phase which is
+        * used when phase tune all pass. */
+       u8 ddr50_tx_phase;
+       u8 ddr50_rx_phase;
+       u8 sdr50_tx_phase;
+       u8 sdr50_rx_phase;
+       /* used to enable select sdr50 tx phase according to  proportion. */
+       u8 sdr50_phase_sel;
+       u8 ms_errreg_fix;
+       u8 reset_mmc_first;
+       u8 speed_mmc;           /* when set, then try CMD55 only twice */
+       u8 led_always_on;       /* if set, then led always on when card exist */
+       u8 dv18_voltage;        /* add to tune dv18 voltage */
+};
+
+#define MS_FORMATTER_ENABLED(chip)     ((chip)->option.mspro_formatter_enable)
+
+struct rts51x_chip;
+
+typedef int (*card_rw_func) (struct scsi_cmnd *srb, struct rts51x_chip *chip,
+                            u32 sec_addr, u16 sec_cnt);
+
+/* For MS Card */
+#define    MAX_DEFECTIVE_BLOCK     10
+
+struct zone_entry {
+       u16 *l2p_table;
+       u16 *free_table;
+       u16 defect_list[MAX_DEFECTIVE_BLOCK];   /* For MS card only */
+       int set_index;
+       int get_index;
+       int unused_blk_cnt;
+       int disable_count;
+       /* To indicate whether the L2P table of this zone has been built. */
+       int build_flag;
+};
+
+struct xd_delay_write_tag {
+       u32 old_phyblock;
+       u32 new_phyblock;
+       u32 logblock;
+       u8 pageoff;
+       u8 delay_write_flag;
+};
+
+struct xd_info {
+       u8 maker_code;
+       u8 device_code;
+       u8 block_shift;
+       u8 page_off;
+       u8 addr_cycle;
+       u16 cis_block;
+       u8 multi_flag;
+       u8 err_code;
+       u32 capacity;
+
+       struct zone_entry *zone;
+       int zone_cnt;
+
+       struct xd_delay_write_tag delay_write;
+
+       int counter;
+
+       int xd_clock;
+};
+
+#define TYPE_SD                        0x0000
+#define TYPE_MMC               0x0001
+
+/* TYPE_SD */
+#define SD_HS                  0x0100
+#define SD_SDR50               0x0200
+#define SD_DDR50               0x0400
+#define SD_SDR104              0x0800
+#define SD_HCXC                        0x1000
+
+/* TYPE_MMC */
+#define MMC_26M                        0x0100
+#define MMC_52M                        0x0200
+#define MMC_4BIT               0x0400
+#define MMC_8BIT               0x0800
+#define MMC_SECTOR_MODE                0x1000
+#define MMC_DDR52              0x2000
+
+/* SD card */
+#define CHK_SD(sd_card)                        (((sd_card)->sd_type & 0xFF) == TYPE_SD)
+#define CHK_SD_HS(sd_card)     \
+       (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_HS))
+#define CHK_SD_SDR50(sd_card)          \
+       (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_SDR50))
+#define CHK_SD_DDR50(sd_card)  \
+       (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_DDR50))
+#define CHK_SD_SDR104(sd_card) \
+       (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_SDR104))
+#define CHK_SD_HCXC(sd_card)   \
+       (CHK_SD(sd_card) && ((sd_card)->sd_type & SD_HCXC))
+#define CHK_SD30_SPEED(sd_card)        \
+       (CHK_SD_SDR50(sd_card) || CHK_SD_DDR50(sd_card) ||\
+        CHK_SD_SDR104(sd_card))
+
+#define SET_SD(sd_card)                        ((sd_card)->sd_type = TYPE_SD)
+#define SET_SD_HS(sd_card)             ((sd_card)->sd_type |= SD_HS)
+#define SET_SD_SDR50(sd_card)          ((sd_card)->sd_type |= SD_SDR50)
+#define SET_SD_DDR50(sd_card)          ((sd_card)->sd_type |= SD_DDR50)
+#define SET_SD_SDR104(sd_card)         ((sd_card)->sd_type |= SD_SDR104)
+#define SET_SD_HCXC(sd_card)           ((sd_card)->sd_type |= SD_HCXC)
+
+#define CLR_SD_HS(sd_card)             ((sd_card)->sd_type &= ~SD_HS)
+#define CLR_SD_SDR50(sd_card)          ((sd_card)->sd_type &= ~SD_SDR50)
+#define CLR_SD_DDR50(sd_card)          ((sd_card)->sd_type &= ~SD_DDR50)
+#define CLR_SD_SDR104(sd_card)         ((sd_card)->sd_type &= ~SD_SDR104)
+#define CLR_SD_HCXC(sd_card)           ((sd_card)->sd_type &= ~SD_HCXC)
+#define CLR_SD30_SPEED(sd_card)        \
+       ((sd_card)->sd_type &= ~(SD_SDR50|SD_DDR50|SD_SDR104))
+
+/* MMC card */
+#define CHK_MMC(sd_card)       \
+       (((sd_card)->sd_type & 0xFF) == TYPE_MMC)
+#define CHK_MMC_26M(sd_card)   \
+       (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_26M))
+#define CHK_MMC_52M(sd_card)   \
+       (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_52M))
+#define CHK_MMC_4BIT(sd_card)  \
+       (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_4BIT))
+#define CHK_MMC_8BIT(sd_card)  \
+       (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_8BIT))
+#define CHK_MMC_SECTOR_MODE(sd_card)\
+       (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_SECTOR_MODE))
+#define CHK_MMC_DDR52(sd_card) \
+       (CHK_MMC(sd_card) && ((sd_card)->sd_type & MMC_DDR52))
+
+#define SET_MMC(sd_card)               ((sd_card)->sd_type = TYPE_MMC)
+#define SET_MMC_26M(sd_card)           ((sd_card)->sd_type |= MMC_26M)
+#define SET_MMC_52M(sd_card)           ((sd_card)->sd_type |= MMC_52M)
+#define SET_MMC_4BIT(sd_card)          ((sd_card)->sd_type |= MMC_4BIT)
+#define SET_MMC_8BIT(sd_card)          ((sd_card)->sd_type |= MMC_8BIT)
+#define SET_MMC_SECTOR_MODE(sd_card)   ((sd_card)->sd_type |= MMC_SECTOR_MODE)
+#define SET_MMC_DDR52(sd_card)         ((sd_card)->sd_type |= MMC_DDR52)
+
+#define CLR_MMC_26M(sd_card)           ((sd_card)->sd_type &= ~MMC_26M)
+#define CLR_MMC_52M(sd_card)           ((sd_card)->sd_type &= ~MMC_52M)
+#define CLR_MMC_4BIT(sd_card)          ((sd_card)->sd_type &= ~MMC_4BIT)
+#define CLR_MMC_8BIT(sd_card)          ((sd_card)->sd_type &= ~MMC_8BIT)
+#define CLR_MMC_SECTOR_MODE(sd_card)   ((sd_card)->sd_type &= ~MMC_SECTOR_MODE)
+#define CLR_MMC_DDR52(sd_card)         ((sd_card)->sd_type &= ~MMC_DDR52)
+
+#define CHK_MMC_HS(sd_card)    \
+       (CHK_MMC_52M(sd_card) && CHK_MMC_26M(sd_card))
+#define CLR_MMC_HS(sd_card)                    \
+do {                                           \
+       CLR_MMC_DDR52(sd_card);                 \
+       CLR_MMC_52M(sd_card);                   \
+       CLR_MMC_26M(sd_card);                   \
+} while (0)
+
+#define SD_SUPPORT_CLASS_TEN           0x01
+#define SD_SUPPORT_1V8                 0x02
+
+#define SD_SET_CLASS_TEN(sd_card)      \
+       ((sd_card)->sd_setting |= SD_SUPPORT_CLASS_TEN)
+#define SD_CHK_CLASS_TEN(sd_card)      \
+       ((sd_card)->sd_setting & SD_SUPPORT_CLASS_TEN)
+#define SD_CLR_CLASS_TEN(sd_card)      \
+       ((sd_card)->sd_setting &= ~SD_SUPPORT_CLASS_TEN)
+#define SD_SET_1V8(sd_card)            \
+       ((sd_card)->sd_setting |= SD_SUPPORT_1V8)
+#define SD_CHK_1V8(sd_card)            \
+       ((sd_card)->sd_setting & SD_SUPPORT_1V8)
+#define SD_CLR_1V8(sd_card)            \
+       ((sd_card)->sd_setting &= ~SD_SUPPORT_1V8)
+#define CLR_RETRY_SD20_MODE(sd_card)           \
+       ((sd_card)->retry_SD20_mode = 0)
+#define SET_RETRY_SD20_MODE(sd_card)           \
+       ((sd_card)->retry_SD20_mode = 1)
+#define CHK_RETRY_SD20_MODE(sd_card)           \
+       ((sd_card)->retry_SD20_mode == 1)
+
+struct sd_info {
+       u16 sd_type;
+       u8 err_code;
+       u8 sd_data_buf_ready;
+       u32 sd_addr;
+       u32 capacity;
+
+       u8 raw_csd[16];
+       u8 raw_scr[8];
+
+       /* Sequential RW */
+       int seq_mode;
+       enum dma_data_direction pre_dir;
+       u32 pre_sec_addr;
+       u16 pre_sec_cnt;
+
+       int counter;
+
+       int sd_clock;
+
+#ifdef SUPPORT_CPRM
+       int sd_pass_thru_en;
+       int pre_cmd_err;
+       u8 last_rsp_type;
+       u8 rsp[17];
+#endif
+
+       u8 func_group1_mask;
+       u8 func_group2_mask;
+       u8 func_group3_mask;
+       u8 func_group4_mask;
+
+       u8 sd_switch_fail;
+       u8 sd_read_phase;
+       u8 retry_SD20_mode;     /* sangdy2010-06-10 */
+       u8 sd_reset_fail;       /* sangdy2010-07-01 */
+       u8 sd_send_status_en;
+
+#ifdef SUPPORT_SD_LOCK
+       u8 sd_lock_status;
+       u8 sd_erase_status;
+       u8 sd_lock_notify;
+#endif
+};
+
+#define MODE_512_SEQ           0x01
+#define MODE_2K_SEQ            0x02
+
+#define TYPE_MS                        0x0000
+#define TYPE_MSPRO             0x0001
+
+#define MS_4BIT                        0x0100
+#define MS_8BIT                        0x0200
+#define MS_HG                  0x0400
+#define MS_XC                  0x0800
+
+#define HG8BIT                 (MS_HG | MS_8BIT)
+
+#define CHK_MSPRO(ms_card)     \
+       (((ms_card)->ms_type & 0xFF) == TYPE_MSPRO)
+#define CHK_HG8BIT(ms_card)    \
+       (CHK_MSPRO(ms_card) && (((ms_card)->ms_type & HG8BIT) == HG8BIT))
+#define CHK_MSXC(ms_card)      \
+       (CHK_MSPRO(ms_card) && ((ms_card)->ms_type & MS_XC))
+#define CHK_MSHG(ms_card)      \
+       (CHK_MSPRO(ms_card) && ((ms_card)->ms_type & MS_HG))
+
+#define CHK_MS8BIT(ms_card)    (((ms_card)->ms_type & MS_8BIT))
+#define CHK_MS4BIT(ms_card)    (((ms_card)->ms_type & MS_4BIT))
+
+struct ms_delay_write_tag {
+       u16 old_phyblock;
+       u16 new_phyblock;
+       u16 logblock;
+       u8 pageoff;
+       u8 delay_write_flag;
+};
+
+struct ms_info {
+       u16 ms_type;
+       u8 block_shift;
+       u8 page_off;
+       u16 total_block;
+       u16 boot_block;
+       u32 capacity;
+
+       u8 check_ms_flow;
+       u8 switch_8bit_fail;
+       u8 err_code;
+
+       struct zone_entry *segment;
+       int segment_cnt;
+
+       int pro_under_formatting;
+       int format_status;
+       u16 progress;
+       u8 raw_sys_info[96];
+#ifdef SUPPORT_PCGL_1P18
+       u8 raw_model_name[48];
+#endif
+
+       u8 multi_flag;
+
+       /* Sequential RW */
+       u8 seq_mode;
+       enum dma_data_direction pre_dir;
+       u32 pre_sec_addr;
+       u16 pre_sec_cnt;
+       u32 total_sec_cnt;
+       u8 last_rw_int;
+
+       struct ms_delay_write_tag delay_write;
+
+       int counter;
+
+       int ms_clock;
+
+#ifdef SUPPORT_MAGIC_GATE
+       u8 magic_gate_id[16];
+       u8 mg_entry_num;
+       int mg_auth;            /* flag to indicate authentication process */
+#endif
+};
+
+#define PRO_UNDER_FORMATTING(ms_card)          \
+       ((ms_card)->pro_under_formatting)
+#define SET_FORMAT_STATUS(ms_card, status)     \
+       ((ms_card)->format_status = (status))
+#define CHK_FORMAT_STATUS(ms_card, status)     \
+       ((ms_card)->format_status == (status))
+
+struct scsi_cmnd;
+
+enum CHIP_STAT { STAT_INIT, STAT_IDLE, STAT_RUN, STAT_SS_PRE, STAT_SS,
+           STAT_SUSPEND };
+
+struct rts51x_chip {
+       u16 vendor_id;
+       u16 product_id;
+       char max_lun;
+
+       struct scsi_cmnd *srb;
+       struct sense_data_t sense_buffer[MAX_ALLOWED_LUN_CNT];
+
+#ifndef LED_AUTO_BLINK
+       int led_toggle_counter;
+#endif
+       int ss_counter;
+       int idle_counter;
+       int auto_delink_counter;
+       enum CHIP_STAT chip_stat;
+
+       int resume_from_scsi;
+
+       /* Card information */
+       struct xd_info xd_card;
+       struct sd_info sd_card;
+       struct ms_info ms_card;
+
+       int cur_clk;            /* current card clock */
+       int cur_card;           /* Current card module */
+
+       u8 card_exist;          /* card exist bit map (physical exist) */
+       u8 card_ready;          /* card ready bit map (reset successfully) */
+       u8 card_fail;           /* card reset fail bit map */
+       u8 card_ejected;        /* card ejected bit map */
+       u8 card_wp;             /* card write protected bit map */
+
+       u8 fake_card_ready;
+       /* flag to indicate whether to answer MediaChange */
+       unsigned long lun_mc;
+
+       /* card bus width */
+       u8 card_bus_width[MAX_ALLOWED_LUN_CNT];
+       /* card capacity */
+       u32 capacity[MAX_ALLOWED_LUN_CNT];
+
+       /* read/write card function pointer */
+       card_rw_func rw_card[MAX_ALLOWED_LUN_CNT];
+       /* read/write capacity, used for GPIO Toggle */
+       u32 rw_cap[MAX_ALLOWED_LUN_CNT];
+       /* card to lun mapping table */
+       u8 card2lun[32];
+       /* lun to card mapping table */
+       u8 lun2card[MAX_ALLOWED_LUN_CNT];
+
+#ifdef _MSG_TRACE
+       struct trace_msg_t trace_msg[TRACE_ITEM_CNT];
+       int msg_idx;
+#endif
+
+       int rw_need_retry;
+
+       /* ASIC or FPGA */
+       int asic_code;
+
+       /* QFN24 or LQFP48 */
+       int package;
+
+       /* Full Speed or High Speed */
+       int usb_speed;
+
+       /*sangdy:enable or disable UHS50 and MMC4.4 */
+       int uhs50_mmc44_en;
+
+       u8 ic_version;
+
+       /* Command buffer */
+       u8 *cmd_buf;
+       unsigned int cmd_idx;
+       /* Response buffer */
+       u8 *rsp_buf;
+
+       u16 card_status;
+
+#ifdef SUPPORT_OCP
+       u16 ocp_stat;
+#endif
+
+       struct rts51x_option option;
+       struct rts51x_usb *usb;
+
+       u8 rcc_read_response;
+       int reset_need_retry;
+       u8 rts5179;
+};
+
+#define UHS50_EN 0x0001
+#define UHS50_DIS 0x0000
+#define SET_UHS50(chip)   ((chip)->uhs50_mmc44_en = UHS50_EN)
+#define CLEAR_UHS50(chip)  ((chip)->uhs50_mmc44_en = UHS50_DIS)
+#define CHECK_UHS50(chip)  (((chip)->uhs50_mmc44_en&0xff) == UHS50_EN)
+
+#define RTS51X_GET_VID(chip)           ((chip)->vendor_id)
+#define RTS51X_GET_PID(chip)           ((chip)->product_id)
+
+#define RTS51X_SET_STAT(chip, stat)                    \
+do {                                                   \
+       if ((stat) != STAT_IDLE) {                      \
+               (chip)->idle_counter = 0;               \
+       }                                               \
+       (chip)->chip_stat = (enum CHIP_STAT)(stat);     \
+} while (0)
+#define RTS51X_CHK_STAT(chip, stat)    ((chip)->chip_stat == (stat))
+#define RTS51X_GET_STAT(chip)          ((chip)->chip_stat)
+
+#define CHECK_PID(chip, pid)           (RTS51X_GET_PID(chip) == (pid))
+#define CHECK_PKG(chip, pkg)           ((chip)->package == (pkg))
+#define CHECK_USB(chip, speed)         ((chip)->usb_speed == (speed))
+
+int rts51x_reset_chip(struct rts51x_chip *chip);
+int rts51x_init_chip(struct rts51x_chip *chip);
+int rts51x_release_chip(struct rts51x_chip *chip);
+void rts51x_polling_func(struct rts51x_chip *chip);
+
+static inline void rts51x_init_cmd(struct rts51x_chip *chip)
+{
+       chip->cmd_idx = 0;
+       chip->cmd_buf[0] = 'R';
+       chip->cmd_buf[1] = 'T';
+       chip->cmd_buf[2] = 'C';
+       chip->cmd_buf[3] = 'R';
+       chip->cmd_buf[PACKET_TYPE] = BATCH_CMD;
+}
+
+void rts51x_add_cmd(struct rts51x_chip *chip,
+                   u8 cmd_type, u16 reg_addr, u8 mask, u8 data);
+int rts51x_send_cmd(struct rts51x_chip *chip, u8 flag, int timeout);
+int rts51x_get_rsp(struct rts51x_chip *chip, int rsp_len, int timeout);
+
+static inline void rts51x_read_rsp_buf(struct rts51x_chip *chip, int offset,
+                                      u8 *buf, int buf_len)
+{
+       memcpy(buf, chip->rsp_buf + offset, buf_len);
+}
+
+static inline u8 *rts51x_get_rsp_data(struct rts51x_chip *chip)
+{
+       return chip->rsp_buf;
+}
+
+int rts51x_get_card_status(struct rts51x_chip *chip, u16 * status);
+int rts51x_write_register(struct rts51x_chip *chip, u16 addr, u8 mask, u8 data);
+int rts51x_read_register(struct rts51x_chip *chip, u16 addr, u8 * data);
+int rts51x_ep0_write_register(struct rts51x_chip *chip, u16 addr, u8 mask,
+                             u8 data);
+int rts51x_ep0_read_register(struct rts51x_chip *chip, u16 addr, u8 * data);
+int rts51x_seq_write_register(struct rts51x_chip *chip, u16 addr, u16 len,
+                             u8 *data);
+int rts51x_seq_read_register(struct rts51x_chip *chip, u16 addr, u16 len,
+                            u8 *data);
+int rts51x_read_ppbuf(struct rts51x_chip *chip, u8 *buf, int buf_len);
+int rts51x_write_ppbuf(struct rts51x_chip *chip, u8 *buf, int buf_len);
+int rts51x_write_phy_register(struct rts51x_chip *chip, u8 addr, u8 val);
+int rts51x_read_phy_register(struct rts51x_chip *chip, u8 addr, u8 *val);
+void rts51x_do_before_power_down(struct rts51x_chip *chip);
+void rts51x_clear_hw_error(struct rts51x_chip *chip);
+void rts51x_prepare_run(struct rts51x_chip *chip);
+void rts51x_trace_msg(struct rts51x_chip *chip, unsigned char *buf, int clear);
+void rts51x_pp_status(struct rts51x_chip *chip, unsigned int lun, u8 *status,
+                     u8 status_len);
+void rts51x_read_status(struct rts51x_chip *chip, unsigned int lun,
+                       u8 *rts51x_status, u8 status_len);
+int rts51x_transfer_data_rcc(struct rts51x_chip *chip, unsigned int pipe,
+                            void *buf, unsigned int len, int use_sg,
+                            unsigned int *act_len, int timeout, u8 stage_flag);
+
+#define RTS51X_WRITE_REG(chip, addr, mask, data)       \
+do {                                                   \
+       int _retval = rts51x_write_register((chip),     \
+                       (addr), (mask), (data));        \
+       if (_retval != STATUS_SUCCESS) {                \
+               TRACE_RET((chip), _retval);             \
+       }                                               \
+} while (0)
+
+#define RTS51X_READ_REG(chip, addr, data)              \
+do {                                                   \
+       int _retval = rts51x_read_register((chip),      \
+                       (addr), (data));                \
+       if (_retval != STATUS_SUCCESS) {                \
+               TRACE_RET((chip), _retval);             \
+       }                                               \
+} while (0)
+
+#endif /* __RTS51X_CHIP_H */
diff --git a/drivers/staging/rts5139/rts51x_fop.c b/drivers/staging/rts5139/rts51x_fop.c
new file mode 100644 (file)
index 0000000..6eaebb6
--- /dev/null
@@ -0,0 +1,298 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include "rts51x.h"
+
+#ifdef SUPPORT_FILE_OP
+
+#include <linux/types.h>
+#include <linux/stat.h>
+#include <linux/kref.h>
+#include <linux/slab.h>
+
+#include "rts51x_chip.h"
+#include "rts51x_card.h"
+#include "rts51x_fop.h"
+#include "sd_cprm.h"
+#include "rts51x.h"
+
+#define RTS5139_IOC_MAGIC              0x39
+
+#define RTS5139_IOC_SD_DIRECT          _IOWR(RTS5139_IOC_MAGIC, 0xA0, int)
+#define RTS5139_IOC_SD_GET_RSP         _IOWR(RTS5139_IOC_MAGIC, 0xA1, int)
+
+static int rts51x_sd_direct_cmnd(struct rts51x_chip *chip,
+                                struct sd_direct_cmnd *cmnd)
+{
+       int retval;
+       u8 dir, cmd12, standby, acmd, cmd_idx, rsp_code;
+       u8 *buf;
+       u32 arg, len;
+
+       dir = (cmnd->cmnd[0] >> 3) & 0x03;
+       cmd12 = (cmnd->cmnd[0] >> 2) & 0x01;
+       standby = (cmnd->cmnd[0] >> 1) & 0x01;
+       acmd = cmnd->cmnd[0] & 0x01;
+       cmd_idx = cmnd->cmnd[1];
+       arg = ((u32) (cmnd->cmnd[2]) << 24) | ((u32) (cmnd->cmnd[3]) << 16) |
+           ((u32) (cmnd->cmnd[4]) << 8) | cmnd->cmnd[5];
+       len =
+           ((u32) (cmnd->cmnd[6]) << 16) | ((u32) (cmnd->cmnd[7]) << 8) |
+           cmnd->cmnd[8];
+       rsp_code = cmnd->cmnd[9];
+
+       if (dir) {
+               if (!cmnd->buf || (cmnd->buf_len < len))
+                       TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       switch (dir) {
+       case 0:
+               /* No data */
+               retval = ext_sd_execute_no_data(chip, chip->card2lun[SD_CARD],
+                                               cmd_idx, standby, acmd,
+                                               rsp_code, arg);
+               if (retval != TRANSPORT_GOOD)
+                       TRACE_RET(chip, STATUS_FAIL);
+               break;
+
+       case 1:
+               /* Read from card */
+               buf = kmalloc(cmnd->buf_len, GFP_KERNEL);
+               if (!buf)
+                       TRACE_RET(chip, STATUS_NOMEM);
+
+               retval = ext_sd_execute_read_data(chip, chip->card2lun[SD_CARD],
+                                                 cmd_idx, cmd12, standby, acmd,
+                                                 rsp_code, arg, len, buf,
+                                                 cmnd->buf_len, 0);
+               if (retval != TRANSPORT_GOOD) {
+                       kfree(buf);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               retval =
+                   copy_to_user((void *)cmnd->buf, (void *)buf, cmnd->buf_len);
+               if (retval) {
+                       kfree(buf);
+                       TRACE_RET(chip, STATUS_NOMEM);
+               }
+
+               kfree(buf);
+               break;
+
+       case 2:
+               /* Write to card */
+               buf = kmalloc(cmnd->buf_len, GFP_KERNEL);
+               if (!buf)
+                       TRACE_RET(chip, STATUS_NOMEM);
+
+               retval =
+                   copy_from_user((void *)buf, (void *)cmnd->buf,
+                                  cmnd->buf_len);
+               if (retval) {
+                       kfree(buf);
+                       TRACE_RET(chip, STATUS_NOMEM);
+               }
+
+               retval =
+                   ext_sd_execute_write_data(chip, chip->card2lun[SD_CARD],
+                                             cmd_idx, cmd12, standby, acmd,
+                                             rsp_code, arg, len, buf,
+                                             cmnd->buf_len, 0);
+               if (retval != TRANSPORT_GOOD) {
+                       kfree(buf);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               kfree(buf);
+
+               break;
+
+       default:
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int rts51x_sd_get_rsp(struct rts51x_chip *chip, struct sd_rsp *rsp)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int count = 0, retval;
+
+       if (sd_card->pre_cmd_err) {
+               sd_card->pre_cmd_err = 0;
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (sd_card->last_rsp_type == SD_RSP_TYPE_R0)
+               TRACE_RET(chip, STATUS_FAIL);
+       else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2)
+               count = (rsp->rsp_len < 17) ? rsp->rsp_len : 17;
+       else
+               count = (rsp->rsp_len < 6) ? rsp->rsp_len : 6;
+
+       retval = copy_to_user((void *)rsp->rsp, (void *)sd_card->rsp, count);
+       if (retval)
+               TRACE_RET(chip, STATUS_NOMEM);
+
+       RTS51X_DEBUGP("Response length: %d\n", count);
+       RTS51X_DEBUGP("Response: 0x%x 0x%x 0x%x 0x%x\n",
+                      sd_card->rsp[0], sd_card->rsp[1], sd_card->rsp[2],
+                      sd_card->rsp[3]);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_open(struct inode *inode, struct file *filp)
+{
+       struct rts51x_chip *chip;
+       struct usb_interface *interface;
+       int subminor;
+       int retval = 0;
+
+       subminor = iminor(inode);
+
+       interface = usb_find_interface(&rts51x_driver, subminor);
+       if (!interface) {
+               RTS51X_DEBUGP("%s - error, can't find device for minor %d\n",
+                              __func__, subminor);
+               retval = -ENODEV;
+               goto exit;
+       }
+
+       chip = (struct rts51x_chip *)usb_get_intfdata(interface);
+       if (!chip) {
+               RTS51X_DEBUGP("Can't find chip\n");
+               retval = -ENODEV;
+               goto exit;
+       }
+
+       /* Increase our reference to the host */
+       scsi_host_get(rts51x_to_host(chip));
+
+       /* lock the device pointers */
+       mutex_lock(&(chip->usb->dev_mutex));
+
+       /* save our object in the file's private structure */
+       filp->private_data = chip;
+
+       /* unlock the device pointers */
+       mutex_unlock(&chip->usb->dev_mutex);
+
+exit:
+       return retval;
+}
+
+int rts51x_release(struct inode *inode, struct file *filp)
+{
+       struct rts51x_chip *chip;
+
+       chip = (struct rts51x_chip *)filp->private_data;
+       if (chip == NULL)
+               return -ENODEV;
+
+       /* Drop our reference to the host; the SCSI core will free it
+        * (and "chip" along with it) when the refcount becomes 0. */
+       scsi_host_put(rts51x_to_host(chip));
+
+       return 0;
+}
+
+ssize_t rts51x_read(struct file *filp, char __user *buf, size_t count,
+                   loff_t *f_pos)
+{
+       return 0;
+}
+
+ssize_t rts51x_write(struct file *filp, const char __user *buf, size_t count,
+                    loff_t *f_pos)
+{
+       return 0;
+}
+
+#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36) */
+int rts51x_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
+                unsigned long arg)
+#else
+long rts51x_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
+#endif
+{
+       struct rts51x_chip *chip;
+       struct sd_direct_cmnd cmnd;
+       struct sd_rsp rsp;
+       int retval = 0;
+
+       chip = (struct rts51x_chip *)filp->private_data;
+       if (chip == NULL)
+               return -ENODEV;
+
+       /* lock the device pointers */
+       mutex_lock(&(chip->usb->dev_mutex));
+
+       switch (cmd) {
+       case RTS5139_IOC_SD_DIRECT:
+               retval =
+                   copy_from_user((void *)&cmnd, (void *)arg,
+                                  sizeof(struct sd_direct_cmnd));
+               if (retval) {
+                       retval = -ENOMEM;
+                       TRACE_GOTO(chip, exit);
+               }
+               retval = rts51x_sd_direct_cmnd(chip, &cmnd);
+               if (retval != STATUS_SUCCESS) {
+                       retval = -EIO;
+                       TRACE_GOTO(chip, exit);
+               }
+               break;
+
+       case RTS5139_IOC_SD_GET_RSP:
+               retval =
+                   copy_from_user((void *)&rsp, (void *)arg,
+                                  sizeof(struct sd_rsp));
+               if (retval) {
+                       retval = -ENOMEM;
+                       TRACE_GOTO(chip, exit);
+               }
+               retval = rts51x_sd_get_rsp(chip, &rsp);
+               if (retval != STATUS_SUCCESS) {
+                       retval = -EIO;
+                       TRACE_GOTO(chip, exit);
+               }
+               break;
+
+       default:
+               break;
+       }
+
+exit:
+       /* unlock the device pointers */
+       mutex_unlock(&chip->usb->dev_mutex);
+
+       return retval;
+}
+
+#endif
diff --git a/drivers/staging/rts5139/rts51x_fop.h b/drivers/staging/rts5139/rts51x_fop.h
new file mode 100644 (file)
index 0000000..0453f57
--- /dev/null
@@ -0,0 +1,62 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_FOP_H
+#define __RTS51X_FOP_H
+
+#include "rts51x.h"
+
+#ifdef SUPPORT_FILE_OP
+
+#include <linux/fs.h>
+#include <linux/types.h>
+
+struct sd_direct_cmnd {
+       u8 cmnd[12];
+       void *buf;
+       int buf_len;
+};
+
+struct sd_rsp {
+       void *rsp;
+       int rsp_len;
+};
+
+int rts51x_open(struct inode *inode, struct file *filp);
+int rts51x_release(struct inode *inode, struct file *filp);
+ssize_t rts51x_read(struct file *filp, char __user *buf, size_t count,
+                   loff_t *f_pos);
+ssize_t rts51x_write(struct file *filp, const char __user * buf, size_t count,
+                    loff_t *f_pos);
+#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 36) */
+int rts51x_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
+                unsigned long arg);
+#else
+long rts51x_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
+#endif
+
+#endif
+
+#endif /* __RTS51X_FOP_H */
diff --git a/drivers/staging/rts5139/rts51x_scsi.c b/drivers/staging/rts5139/rts51x_scsi.c
new file mode 100644 (file)
index 0000000..f604493
--- /dev/null
@@ -0,0 +1,2233 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_device.h>
+
+#include "debug.h"
+#include "rts51x.h"
+#include "rts51x_chip.h"
+#include "rts51x_scsi.h"
+#include "rts51x_card.h"
+#include "rts51x_transport.h"
+#include "rts51x_sys.h"
+#include "sd_cprm.h"
+#include "ms_mg.h"
+#include "trace.h"
+
+void scsi_show_command(struct scsi_cmnd *srb)
+{
+       char *what = NULL;
+       int i, unknown_cmd = 0;
+
+       switch (srb->cmnd[0]) {
+       case TEST_UNIT_READY:
+               what = (char *)"TEST_UNIT_READY";
+               break;
+       case REZERO_UNIT:
+               what = (char *)"REZERO_UNIT";
+               break;
+       case REQUEST_SENSE:
+               what = (char *)"REQUEST_SENSE";
+               break;
+       case FORMAT_UNIT:
+               what = (char *)"FORMAT_UNIT";
+               break;
+       case READ_BLOCK_LIMITS:
+               what = (char *)"READ_BLOCK_LIMITS";
+               break;
+       case 0x07:
+               what = (char *)"REASSIGN_BLOCKS";
+               break;
+       case READ_6:
+               what = (char *)"READ_6";
+               break;
+       case WRITE_6:
+               what = (char *)"WRITE_6";
+               break;
+       case SEEK_6:
+               what = (char *)"SEEK_6";
+               break;
+       case READ_REVERSE:
+               what = (char *)"READ_REVERSE";
+               break;
+       case WRITE_FILEMARKS:
+               what = (char *)"WRITE_FILEMARKS";
+               break;
+       case SPACE:
+               what = (char *)"SPACE";
+               break;
+       case INQUIRY:
+               what = (char *)"INQUIRY";
+               break;
+       case RECOVER_BUFFERED_DATA:
+               what = (char *)"RECOVER_BUFFERED_DATA";
+               break;
+       case MODE_SELECT:
+               what = (char *)"MODE_SELECT";
+               break;
+       case RESERVE:
+               what = (char *)"RESERVE";
+               break;
+       case RELEASE:
+               what = (char *)"RELEASE";
+               break;
+       case COPY:
+               what = (char *)"COPY";
+               break;
+       case ERASE:
+               what = (char *)"ERASE";
+               break;
+       case MODE_SENSE:
+               what = (char *)"MODE_SENSE";
+               break;
+       case START_STOP:
+               what = (char *)"START_STOP";
+               break;
+       case RECEIVE_DIAGNOSTIC:
+               what = (char *)"RECEIVE_DIAGNOSTIC";
+               break;
+       case SEND_DIAGNOSTIC:
+               what = (char *)"SEND_DIAGNOSTIC";
+               break;
+       case ALLOW_MEDIUM_REMOVAL:
+               what = (char *)"ALLOW_MEDIUM_REMOVAL";
+               break;
+       case SET_WINDOW:
+               what = (char *)"SET_WINDOW";
+               break;
+       case READ_CAPACITY:
+               what = (char *)"READ_CAPACITY";
+               break;
+       case READ_10:
+               what = (char *)"READ_10";
+               break;
+       case WRITE_10:
+               what = (char *)"WRITE_10";
+               break;
+       case SEEK_10:
+               what = (char *)"SEEK_10";
+               break;
+       case WRITE_VERIFY:
+               what = (char *)"WRITE_VERIFY";
+               break;
+       case VERIFY:
+               what = (char *)"VERIFY";
+               break;
+       case SEARCH_HIGH:
+               what = (char *)"SEARCH_HIGH";
+               break;
+       case SEARCH_EQUAL:
+               what = (char *)"SEARCH_EQUAL";
+               break;
+       case SEARCH_LOW:
+               what = (char *)"SEARCH_LOW";
+               break;
+       case SET_LIMITS:
+               what = (char *)"SET_LIMITS";
+               break;
+       case READ_POSITION:
+               what = (char *)"READ_POSITION";
+               break;
+       case SYNCHRONIZE_CACHE:
+               what = (char *)"SYNCHRONIZE_CACHE";
+               break;
+       case LOCK_UNLOCK_CACHE:
+               what = (char *)"LOCK_UNLOCK_CACHE";
+               break;
+       case READ_DEFECT_DATA:
+               what = (char *)"READ_DEFECT_DATA";
+               break;
+       case MEDIUM_SCAN:
+               what = (char *)"MEDIUM_SCAN";
+               break;
+       case COMPARE:
+               what = (char *)"COMPARE";
+               break;
+       case COPY_VERIFY:
+               what = (char *)"COPY_VERIFY";
+               break;
+       case WRITE_BUFFER:
+               what = (char *)"WRITE_BUFFER";
+               break;
+       case READ_BUFFER:
+               what = (char *)"READ_BUFFER";
+               break;
+       case UPDATE_BLOCK:
+               what = (char *)"UPDATE_BLOCK";
+               break;
+       case READ_LONG:
+               what = (char *)"READ_LONG";
+               break;
+       case WRITE_LONG:
+               what = (char *)"WRITE_LONG";
+               break;
+       case CHANGE_DEFINITION:
+               what = (char *)"CHANGE_DEFINITION";
+               break;
+       case WRITE_SAME:
+               what = (char *)"WRITE_SAME";
+               break;
+       case GPCMD_READ_SUBCHANNEL:
+               what = (char *)"READ SUBCHANNEL";
+               break;
+       case READ_TOC:
+               what = (char *)"READ_TOC";
+               break;
+       case GPCMD_READ_HEADER:
+               what = (char *)"READ HEADER";
+               break;
+       case GPCMD_PLAY_AUDIO_10:
+               what = (char *)"PLAY AUDIO (10)";
+               break;
+       case GPCMD_PLAY_AUDIO_MSF:
+               what = (char *)"PLAY AUDIO MSF";
+               break;
+       case GPCMD_GET_EVENT_STATUS_NOTIFICATION:
+               what = (char *)"GET EVENT/STATUS NOTIFICATION";
+               break;
+       case GPCMD_PAUSE_RESUME:
+               what = (char *)"PAUSE/RESUME";
+               break;
+       case LOG_SELECT:
+               what = (char *)"LOG_SELECT";
+               break;
+       case LOG_SENSE:
+               what = (char *)"LOG_SENSE";
+               break;
+       case GPCMD_STOP_PLAY_SCAN:
+               what = (char *)"STOP PLAY/SCAN";
+               break;
+       case GPCMD_READ_DISC_INFO:
+               what = (char *)"READ DISC INFORMATION";
+               break;
+       case GPCMD_READ_TRACK_RZONE_INFO:
+               what = (char *)"READ TRACK INFORMATION";
+               break;
+       case GPCMD_RESERVE_RZONE_TRACK:
+               what = (char *)"RESERVE TRACK";
+               break;
+       case GPCMD_SEND_OPC:
+               what = (char *)"SEND OPC";
+               break;
+       case MODE_SELECT_10:
+               what = (char *)"MODE_SELECT_10";
+               break;
+       case GPCMD_REPAIR_RZONE_TRACK:
+               what = (char *)"REPAIR TRACK";
+               break;
+       case 0x59:
+               what = (char *)"READ MASTER CUE";
+               break;
+       case MODE_SENSE_10:
+               what = (char *)"MODE_SENSE_10";
+               break;
+       case GPCMD_CLOSE_TRACK:
+               what = (char *)"CLOSE TRACK/SESSION";
+               break;
+       case 0x5C:
+               what = (char *)"READ BUFFER CAPACITY";
+               break;
+       case 0x5D:
+               what = (char *)"SEND CUE SHEET";
+               break;
+       case GPCMD_BLANK:
+               what = (char *)"BLANK";
+               break;
+       case REPORT_LUNS:
+               what = (char *)"REPORT LUNS";
+               break;
+       case MOVE_MEDIUM:
+               what = (char *)"MOVE_MEDIUM or PLAY AUDIO (12)";
+               break;
+       case READ_12:
+               what = (char *)"READ_12";
+               break;
+       case WRITE_12:
+               what = (char *)"WRITE_12";
+               break;
+       case WRITE_VERIFY_12:
+               what = (char *)"WRITE_VERIFY_12";
+               break;
+       case SEARCH_HIGH_12:
+               what = (char *)"SEARCH_HIGH_12";
+               break;
+       case SEARCH_EQUAL_12:
+               what = (char *)"SEARCH_EQUAL_12";
+               break;
+       case SEARCH_LOW_12:
+               what = (char *)"SEARCH_LOW_12";
+               break;
+       case SEND_VOLUME_TAG:
+               what = (char *)"SEND_VOLUME_TAG";
+               break;
+       case READ_ELEMENT_STATUS:
+               what = (char *)"READ_ELEMENT_STATUS";
+               break;
+       case GPCMD_READ_CD_MSF:
+               what = (char *)"READ CD MSF";
+               break;
+       case GPCMD_SCAN:
+               what = (char *)"SCAN";
+               break;
+       case GPCMD_SET_SPEED:
+               what = (char *)"SET CD SPEED";
+               break;
+       case GPCMD_MECHANISM_STATUS:
+               what = (char *)"MECHANISM STATUS";
+               break;
+       case GPCMD_READ_CD:
+               what = (char *)"READ CD";
+               break;
+       case 0xE1:
+               what = (char *)"WRITE CONTINUE";
+               break;
+       case WRITE_LONG_2:
+               what = (char *)"WRITE_LONG_2";
+               break;
+       case VENDOR_CMND:
+               what = (char *)"Realtek's vendor command";
+               break;
+       default:
+               what = (char *)"(unknown command)";
+               unknown_cmd = 1;
+               break;
+       }
+
+       if (srb->cmnd[0] != TEST_UNIT_READY)
+               RTS51X_DEBUGP("Command %s (%d bytes)\n", what, srb->cmd_len);
+       if (unknown_cmd) {
+               RTS51X_DEBUGP("");
+               for (i = 0; i < srb->cmd_len && i < 16; i++)
+                       RTS51X_DEBUGPN(" %02x", srb->cmnd[i]);
+               RTS51X_DEBUGPN("\n");
+       }
+}
+
+void set_sense_type(struct rts51x_chip *chip, unsigned int lun, int sense_type)
+{
+       switch (sense_type) {
+       case SENSE_TYPE_MEDIA_CHANGE:
+               set_sense_data(chip, lun, CUR_ERR, 0x06, 0, 0x28, 0, 0, 0);
+               break;
+
+       case SENSE_TYPE_MEDIA_NOT_PRESENT:
+               set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x3A, 0, 0, 0);
+               break;
+
+       case SENSE_TYPE_MEDIA_LBA_OVER_RANGE:
+               set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x21, 0, 0, 0);
+               break;
+
+       case SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT:
+               set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x25, 0, 0, 0);
+               break;
+
+       case SENSE_TYPE_MEDIA_WRITE_PROTECT:
+               set_sense_data(chip, lun, CUR_ERR, 0x07, 0, 0x27, 0, 0, 0);
+               break;
+
+       case SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR:
+               set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x11, 0, 0, 0);
+               break;
+
+       case SENSE_TYPE_MEDIA_WRITE_ERR:
+               set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x0C, 0x02, 0, 0);
+               break;
+
+       case SENSE_TYPE_MEDIA_INVALID_CMD_FIELD:
+               set_sense_data(chip, lun, CUR_ERR, ILGAL_REQ, 0,
+                              ASC_INVLD_CDB, ASCQ_INVLD_CDB, CDB_ILLEGAL, 1);
+               break;
+
+       case SENSE_TYPE_FORMAT_IN_PROGRESS:
+               set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, 0, 0);
+               break;
+
+       case SENSE_TYPE_FORMAT_CMD_FAILED:
+               set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x31, 0x01, 0, 0);
+               break;
+
+#ifdef SUPPORT_MAGIC_GATE
+       case SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB:
+               set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x6F, 0x02, 0, 0);
+               break;
+
+       case SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN:
+               set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x6F, 0x00, 0, 0);
+               break;
+
+       case SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM:
+               set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x30, 0x00, 0, 0);
+               break;
+
+       case SENSE_TYPE_MG_WRITE_ERR:
+               set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x0C, 0x00, 0, 0);
+               break;
+#endif
+
+#ifdef SUPPORT_SD_LOCK
+       case SENSE_TYPE_MEDIA_READ_FORBIDDEN:
+               set_sense_data(chip, lun, CUR_ERR, 0x07, 0, 0x11, 0x13, 0, 0);
+               break;
+#endif
+
+       case SENSE_TYPE_NO_SENSE:
+       default:
+               set_sense_data(chip, lun, CUR_ERR, 0, 0, 0, 0, 0, 0);
+               break;
+       }
+}
+
+void set_sense_data(struct rts51x_chip *chip, unsigned int lun, u8 err_code,
+                   u8 sense_key, u32 info, u8 asc, u8 ascq, u8 sns_key_info0,
+                   u16 sns_key_info1)
+{
+       struct sense_data_t *sense = &(chip->sense_buffer[lun]);
+
+       sense->err_code = err_code;
+       sense->sense_key = sense_key;
+       sense->info[0] = (u8) (info >> 24);
+       sense->info[1] = (u8) (info >> 16);
+       sense->info[2] = (u8) (info >> 8);
+       sense->info[3] = (u8) info;
+
+       sense->ad_sense_len = sizeof(struct sense_data_t) - 8;
+       sense->asc = asc;
+       sense->ascq = ascq;
+       if (sns_key_info0 != 0) {
+               sense->sns_key_info[0] = SKSV | sns_key_info0;
+               sense->sns_key_info[1] = (sns_key_info1 & 0xf0) >> 8;
+               sense->sns_key_info[2] = sns_key_info1 & 0x0f;
+       }
+}
+
+static int test_unit_ready(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+
+       rts51x_init_cards(chip);
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               return TRANSPORT_FAILED;
+       }
+
+       if (!check_lun_mc(chip, lun)) {
+               set_lun_mc(chip, lun);
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               return TRANSPORT_FAILED;
+       }
+#ifdef SUPPORT_SD_LOCK
+       if (get_lun_card(chip, SCSI_LUN(srb)) == SD_CARD) {
+               struct sd_info *sd_card = &(chip->sd_card);
+               if (sd_card->sd_lock_notify) {
+                       sd_card->sd_lock_notify = 0;
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+                       return TRANSPORT_FAILED;
+               } else if (sd_card->sd_lock_status & SD_LOCKED) {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_READ_FORBIDDEN);
+                       return TRANSPORT_FAILED;
+               }
+       }
+#endif
+
+       return TRANSPORT_GOOD;
+}
+
+unsigned char formatter_inquiry_str[20] = {
+       'M', 'E', 'M', 'O', 'R', 'Y', 'S', 'T', 'I', 'C', 'K',
+       '-', 'M', 'G',          /* Byte[47:49] */
+       0x0B,                   /* Byte[50]: MG, MS, MSPro, MSXC */
+       0x00,                   /* Byte[51]: Category Specific Commands */
+       0x00,                   /* Byte[52]: Access Control and feature */
+       0x20, 0x20, 0x20,       /* Byte[53:55] */
+};
+
+static int inquiry(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+       char *inquiry_default = (char *)"Generic-xD/SD/M.S.      1.00 ";
+       char *inquiry_string;
+       unsigned char sendbytes;
+       unsigned char *buf;
+       u8 card = get_lun_card(chip, lun);
+       int pro_formatter_flag = 0;
+       unsigned char inquiry_buf[] = {
+               QULIFIRE | DRCT_ACCESS_DEV,
+               RMB_DISC | 0x0D,
+               0x00,
+               0x01,
+               0x1f,
+               0x02,
+               0,
+               REL_ADR | WBUS_32 | WBUS_16 | SYNC | LINKED | CMD_QUE | SFT_RE,
+       };
+
+       inquiry_string = inquiry_default;
+
+       buf = vmalloc(scsi_bufflen(srb));
+       if (buf == NULL)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       if (MS_FORMATTER_ENABLED(chip) && (get_lun2card(chip, lun) & MS_CARD)) {
+               if (!card || (card == MS_CARD))
+                       pro_formatter_flag = 1;
+       }
+
+       if (pro_formatter_flag) {
+               if (scsi_bufflen(srb) < 56)
+                       sendbytes = (unsigned char)(scsi_bufflen(srb));
+               else
+                       sendbytes = 56;
+       } else {
+               if (scsi_bufflen(srb) < 36)
+                       sendbytes = (unsigned char)(scsi_bufflen(srb));
+               else
+                       sendbytes = 36;
+       }
+
+       if (sendbytes > 8) {
+               memcpy(buf, inquiry_buf, 8);
+               memcpy(buf + 8, inquiry_string, sendbytes - 8);
+               if (pro_formatter_flag)
+                       buf[4] = 0x33;  /* Additional Length */
+       } else {
+               memcpy(buf, inquiry_buf, sendbytes);
+       }
+
+       if (pro_formatter_flag) {
+               if (sendbytes > 36)
+                       memcpy(buf + 36, formatter_inquiry_str, sendbytes - 36);
+       }
+
+       scsi_set_resid(srb, 0);
+
+       rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb);
+       vfree(buf);
+
+       return TRANSPORT_GOOD;
+}
+
+static int start_stop_unit(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+
+       scsi_set_resid(srb, scsi_bufflen(srb));
+
+       if (srb->cmnd[1] == 1)
+               return TRANSPORT_GOOD;
+
+       switch (srb->cmnd[0x4]) {
+       case STOP_MEDIUM:
+               /* Media disabled */
+               return TRANSPORT_GOOD;
+
+       case UNLOAD_MEDIUM:
+               /* Media shall be unload */
+               if (check_card_ready(chip, lun))
+                       eject_card(chip, lun);
+               return TRANSPORT_GOOD;
+
+       case MAKE_MEDIUM_READY:
+       case LOAD_MEDIUM:
+               if (check_card_ready(chip, lun)) {
+                       return TRANSPORT_GOOD;
+               } else {
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+
+               break;
+       }
+
+       TRACE_RET(chip, TRANSPORT_ERROR);
+}
+
+static int allow_medium_removal(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int prevent;
+
+       prevent = srb->cmnd[4] & 0x1;
+
+       scsi_set_resid(srb, 0);
+
+       if (prevent) {
+               set_sense_type(chip, SCSI_LUN(srb),
+                              SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       return TRANSPORT_GOOD;
+}
+
+static void ms_mode_sense(struct rts51x_chip *chip, u8 cmd,
+                         int lun, u8 *buf, int buf_len)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       int sys_info_offset;
+       int data_size = buf_len;
+       int support_format = 0;
+       int i = 0;
+
+       if (cmd == MODE_SENSE) {
+               sys_info_offset = 8;
+               if (data_size > 0x68)
+                       data_size = 0x68;
+               buf[i++] = 0x67;        /* Mode Data Length */
+       } else {
+               sys_info_offset = 12;
+               if (data_size > 0x6C)
+                       data_size = 0x6C;
+               buf[i++] = 0x00;        /* Mode Data Length (MSB) */
+               buf[i++] = 0x6A;        /* Mode Data Length (LSB) */
+       }
+
+       /* Medium Type Code */
+       if (check_card_ready(chip, lun)) {
+               if (CHK_MSXC(ms_card)) {
+                       support_format = 1;
+                       buf[i++] = 0x40;
+               } else if (CHK_MSPRO(ms_card)) {
+                       support_format = 1;
+                       buf[i++] = 0x20;
+               } else {
+                       buf[i++] = 0x10;
+               }
+
+               /* WP */
+               if (check_card_wp(chip, lun))
+                       buf[i++] = 0x80;
+               else
+                       buf[i++] = 0x00;
+       } else {
+               buf[i++] = 0x00;        /* MediaType */
+               buf[i++] = 0x00;        /* WP */
+       }
+
+       buf[i++] = 0x00;        /* Reserved */
+
+       if (cmd == MODE_SENSE_10) {
+               buf[i++] = 0x00;        /* Reserved */
+               buf[i++] = 0x00;        /* Block descriptor length(MSB) */
+               buf[i++] = 0x00;        /* Block descriptor length(LSB) */
+
+               /* The Following Data is the content of "Page 0x20" */
+               if (data_size >= 9)
+                       buf[i++] = 0x20;        /* Page Code */
+               if (data_size >= 10)
+                       buf[i++] = 0x62;        /* Page Length */
+               if (data_size >= 11)
+                       buf[i++] = 0x00;        /* No Access Control */
+               if (data_size >= 12) {
+                       if (support_format)
+                               buf[i++] = 0xC0;        /* SF, SGM */
+                       else
+                               buf[i++] = 0x00;
+               }
+       } else {
+               /* The Following Data is the content of "Page 0x20" */
+               if (data_size >= 5)
+                       buf[i++] = 0x20;        /* Page Code */
+               if (data_size >= 6)
+                       buf[i++] = 0x62;        /* Page Length */
+               if (data_size >= 7)
+                       buf[i++] = 0x00;        /* No Access Control */
+               if (data_size >= 8) {
+                       if (support_format)
+                               buf[i++] = 0xC0;        /* SF, SGM */
+                       else
+                               buf[i++] = 0x00;
+               }
+       }
+
+       if (data_size > sys_info_offset) {
+               /* 96 Bytes Attribute Data */
+               int len = data_size - sys_info_offset;
+               len = (len < 96) ? len : 96;
+
+               memcpy(buf + sys_info_offset, ms_card->raw_sys_info, len);
+       }
+}
+
+static int mode_sense(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+       unsigned int dataSize;
+       int status;
+       int pro_formatter_flag;
+       unsigned char pageCode, *buf;
+       u8 card = get_lun_card(chip, lun);
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               scsi_set_resid(srb, scsi_bufflen(srb));
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       pro_formatter_flag = 0;
+       dataSize = 8;
+       /* In Combo mode, device responses ModeSense command as a MS LUN
+        * when no card is inserted */
+       if ((get_lun2card(chip, lun) & MS_CARD)) {
+               if (!card || (card == MS_CARD)) {
+                       dataSize = 108;
+                       if (chip->option.mspro_formatter_enable)
+                               pro_formatter_flag = 1;
+               }
+       }
+
+       buf = kmalloc(dataSize, GFP_KERNEL);
+       if (buf == NULL)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       pageCode = srb->cmnd[2] & 0x3f;
+
+       if ((pageCode == 0x3F) || (pageCode == 0x1C) ||
+           (pageCode == 0x00) || (pro_formatter_flag && (pageCode == 0x20))) {
+               if (srb->cmnd[0] == MODE_SENSE) {
+                       if ((pageCode == 0x3F) || (pageCode == 0x20)) {
+                               ms_mode_sense(chip, srb->cmnd[0], lun, buf,
+                                             dataSize);
+                       } else {
+                               dataSize = 4;
+                               buf[0] = 0x03;
+                               buf[1] = 0x00;
+                               if (check_card_wp(chip, lun))
+                                       buf[2] = 0x80;
+                               else
+                               buf[3] = 0x00;
+                       }
+               } else {
+                       if ((pageCode == 0x3F) || (pageCode == 0x20)) {
+                               ms_mode_sense(chip, srb->cmnd[0], lun, buf,
+                                             dataSize);
+                       } else {
+                               dataSize = 8;
+                               buf[0] = 0x00;
+                               buf[1] = 0x06;
+                               buf[2] = 0x00;
+                               if (check_card_wp(chip, lun))
+                                       buf[3] = 0x80;
+                               else
+                                       buf[3] = 0x00;
+                               buf[4] = 0x00;
+                               buf[5] = 0x00;
+                               buf[6] = 0x00;
+                               buf[7] = 0x00;
+                       }
+               }
+               status = TRANSPORT_GOOD;
+       } else {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               scsi_set_resid(srb, scsi_bufflen(srb));
+               status = TRANSPORT_FAILED;
+       }
+
+       if (status == TRANSPORT_GOOD) {
+               unsigned int len = min(scsi_bufflen(srb), dataSize);
+               rts51x_set_xfer_buf(buf, len, srb);
+               scsi_set_resid(srb, scsi_bufflen(srb) - len);
+       }
+       kfree(buf);
+
+       return status;
+}
+
+static int request_sense(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct sense_data_t *sense;
+       unsigned int lun = SCSI_LUN(srb);
+       struct ms_info *ms_card = &(chip->ms_card);
+       unsigned char *tmp, *buf;
+
+       sense = &(chip->sense_buffer[lun]);
+
+       if ((get_lun_card(chip, lun) == MS_CARD)
+           && PRO_UNDER_FORMATTING(ms_card)) {
+               mspro_format_sense(chip, lun);
+       }
+
+       buf = vmalloc(scsi_bufflen(srb));
+       if (buf == NULL)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       tmp = (unsigned char *)sense;
+       memcpy(buf, tmp, scsi_bufflen(srb));
+
+       rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb);
+       vfree(buf);
+
+       scsi_set_resid(srb, 0);
+       /* Reset Sense Data */
+       set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
+       return TRANSPORT_GOOD;
+}
+
+static int read_write(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+#ifdef SUPPORT_SD_LOCK
+       struct sd_info *sd_card = &(chip->sd_card);
+#endif
+       unsigned int lun = SCSI_LUN(srb);
+       int retval;
+       u32 start_sec;
+       u16 sec_cnt;
+
+       if (!check_card_ready(chip, lun) || (chip->capacity[lun] == 0)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (!check_lun_mc(chip, lun)) {
+               set_lun_mc(chip, lun);
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               return TRANSPORT_FAILED;
+       }
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+#ifdef SUPPORT_SD_LOCK
+       if (sd_card->sd_erase_status) {
+               /* Accessing to any card is forbidden
+                * until the erase procedure of SD is completed */
+               RTS51X_DEBUGP("SD card being erased!\n");
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_READ_FORBIDDEN);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (get_lun_card(chip, lun) == SD_CARD) {
+               if (sd_card->sd_lock_status & SD_LOCKED) {
+                       RTS51X_DEBUGP("SD card locked!\n");
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_READ_FORBIDDEN);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+       }
+#endif
+
+       if ((srb->cmnd[0] == READ_10) || (srb->cmnd[0] == WRITE_10)) {
+               start_sec =
+                   ((u32) srb->cmnd[2] << 24) |
+                   ((u32) srb->cmnd[3] << 16) |
+                   ((u32) srb->cmnd[4] << 8) |
+                   ((u32) srb->cmnd[5]);
+               sec_cnt = ((u16) (srb->cmnd[7]) << 8) | srb->cmnd[8];
+       } else if ((srb->cmnd[0] == READ_6) || (srb->cmnd[0] == WRITE_6)) {
+               start_sec = ((u32) (srb->cmnd[1] & 0x1F) << 16) |
+                   ((u32) srb->cmnd[2] << 8) | ((u32) srb->cmnd[3]);
+               sec_cnt = srb->cmnd[4];
+       } else if ((srb->cmnd[0] == VENDOR_CMND) &&
+                       (srb->cmnd[1] == SCSI_APP_CMD) &&
+                       ((srb->cmnd[2] == PP_READ10) ||
+                        (srb->cmnd[2] == PP_WRITE10))) {
+               start_sec = ((u32) srb->cmnd[4] << 24) |
+                       ((u32) srb->cmnd[5] << 16) |
+                       ((u32) srb->cmnd[6] << 8) |
+                       ((u32) srb->cmnd[7]);
+               sec_cnt = ((u16) (srb->cmnd[9]) << 8) | srb->cmnd[10];
+       } else {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if ((start_sec > chip->capacity[lun]) ||
+           ((start_sec + sec_cnt) > chip->capacity[lun])) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LBA_OVER_RANGE);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (sec_cnt == 0) {
+               scsi_set_resid(srb, 0);
+               return TRANSPORT_GOOD;
+       }
+
+       if ((srb->sc_data_direction == DMA_TO_DEVICE)
+           && check_card_wp(chip, lun)) {
+               RTS51X_DEBUGP("Write protected card!\n");
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       retval = card_rw(srb, chip, start_sec, sec_cnt);
+       if (retval != STATUS_SUCCESS) {
+#if 0
+               if (chip->need_release & chip->lun2card[lun]) {
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               } else {
+#endif
+               if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+               } else {
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
+               }
+#if 0
+               }
+#endif
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       scsi_set_resid(srb, 0);
+
+       return TRANSPORT_GOOD;
+}
+
+static int read_format_capacity(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned char *buf;
+       unsigned int lun = SCSI_LUN(srb);
+       unsigned int buf_len;
+       u8 card = get_lun_card(chip, lun);
+       int desc_cnt;
+       int i = 0;
+
+       if (!check_card_ready(chip, lun)) {
+               if (!chip->option.mspro_formatter_enable) {
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+       }
+
+       buf_len = (scsi_bufflen(srb) > 12) ? 0x14 : 12;
+
+       buf = kmalloc(buf_len, GFP_KERNEL);
+       if (buf == NULL)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       buf[i++] = 0;
+       buf[i++] = 0;
+       buf[i++] = 0;
+
+       /* Capacity List Length */
+       if ((buf_len > 12) && chip->option.mspro_formatter_enable &&
+           (chip->lun2card[lun] & MS_CARD) && (!card || (card == MS_CARD))) {
+               buf[i++] = 0x10;
+               desc_cnt = 2;
+       } else {
+               buf[i++] = 0x08;
+               desc_cnt = 1;
+       }
+
+       while (desc_cnt) {
+               if (check_card_ready(chip, lun)) {
+                       buf[i++] = (unsigned char)((chip->capacity[lun]) >> 24);
+                       buf[i++] = (unsigned char)((chip->capacity[lun]) >> 16);
+                       buf[i++] = (unsigned char)((chip->capacity[lun]) >> 8);
+                       buf[i++] = (unsigned char)(chip->capacity[lun]);
+
+                       if (desc_cnt == 2)
+                               /* Byte[8]: Descriptor Type: Formatted medium */
+                               buf[i++] = 2;
+                       else
+                               buf[i++] = 0;   /* Byte[16] */
+               } else {
+                       buf[i++] = 0xFF;
+                       buf[i++] = 0xFF;
+                       buf[i++] = 0xFF;
+                       buf[i++] = 0xFF;
+
+                       if (desc_cnt == 2)
+                               /* Byte[8]: Descriptor Type: No medium */
+                               buf[i++] = 3;
+                       else
+                               buf[i++] = 0;   /*Byte[16] */
+               }
+
+               buf[i++] = 0x00;
+               buf[i++] = 0x02;
+               buf[i++] = 0x00;
+
+               desc_cnt--;
+       }
+
+       buf_len = min(scsi_bufflen(srb), buf_len);
+       rts51x_set_xfer_buf(buf, buf_len, srb);
+       kfree(buf);
+
+       scsi_set_resid(srb, scsi_bufflen(srb) - buf_len);
+
+       return TRANSPORT_GOOD;
+}
+
+static int read_capacity(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned char *buf;
+       unsigned int lun = SCSI_LUN(srb);
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (!check_lun_mc(chip, lun)) {
+               set_lun_mc(chip, lun);
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               return TRANSPORT_FAILED;
+       }
+
+       buf = kmalloc(8, GFP_KERNEL);
+       if (buf == NULL)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       buf[0] = (unsigned char)((chip->capacity[lun] - 1) >> 24);
+       buf[1] = (unsigned char)((chip->capacity[lun] - 1) >> 16);
+       buf[2] = (unsigned char)((chip->capacity[lun] - 1) >> 8);
+       buf[3] = (unsigned char)(chip->capacity[lun] - 1);
+
+       buf[4] = 0x00;
+       buf[5] = 0x00;
+       buf[6] = 0x02;
+       buf[7] = 0x00;
+
+       rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb);
+       kfree(buf);
+
+       scsi_set_resid(srb, 0);
+
+       return TRANSPORT_GOOD;
+}
+
+static int get_dev_status(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+       unsigned int buf_len;
+       u8 status[32] = { 0 };
+
+       rts51x_pp_status(chip, lun, status, 32);
+
+       buf_len = min(scsi_bufflen(srb), (unsigned int)sizeof(status));
+       rts51x_set_xfer_buf(status, buf_len, srb);
+       scsi_set_resid(srb, scsi_bufflen(srb) - buf_len);
+
+       return TRANSPORT_GOOD;
+}
+
+static int read_status(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       u8 rts51x_status[16];
+       unsigned int buf_len;
+       unsigned int lun = SCSI_LUN(srb);
+
+       rts51x_read_status(chip, lun, rts51x_status, 16);
+
+       buf_len = min(scsi_bufflen(srb), (unsigned int)sizeof(rts51x_status));
+       rts51x_set_xfer_buf(rts51x_status, buf_len, srb);
+       scsi_set_resid(srb, scsi_bufflen(srb) - buf_len);
+
+       return TRANSPORT_GOOD;
+}
+
+static int read_mem(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+       unsigned short addr, len, i;
+       int retval;
+       u8 *buf;
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       addr = ((u16) srb->cmnd[2] << 8) | srb->cmnd[3];
+       len = ((u16) srb->cmnd[4] << 8) | srb->cmnd[5];
+
+       if (addr < 0xe000) {
+               RTS51X_DEBUGP("filter!addr=0x%x\n", addr);
+               return TRANSPORT_GOOD;
+       }
+
+       buf = vmalloc(len);
+       if (!buf)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       for (i = 0; i < len; i++) {
+               retval = rts51x_ep0_read_register(chip, addr + i, buf + i);
+               if (retval != STATUS_SUCCESS) {
+                       vfree(buf);
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+       }
+
+       len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len);
+       rts51x_set_xfer_buf(buf, len, srb);
+       scsi_set_resid(srb, scsi_bufflen(srb) - len);
+
+       vfree(buf);
+
+       return TRANSPORT_GOOD;
+}
+
+static int write_mem(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+       unsigned short addr, len, i;
+       int retval;
+       u8 *buf;
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       addr = ((u16) srb->cmnd[2] << 8) | srb->cmnd[3];
+       len = ((u16) srb->cmnd[4] << 8) | srb->cmnd[5];
+
+       if (addr < 0xe000) {
+               RTS51X_DEBUGP("filter!addr=0x%x\n", addr);
+               return TRANSPORT_GOOD;
+       }
+
+       len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len);
+       buf = vmalloc(len);
+       if (!buf)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       rts51x_get_xfer_buf(buf, len, srb);
+
+       for (i = 0; i < len; i++) {
+               retval =
+                   rts51x_ep0_write_register(chip, addr + i, 0xFF, buf[i]);
+               if (retval != STATUS_SUCCESS) {
+                       vfree(buf);
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+       }
+
+       vfree(buf);
+       scsi_set_resid(srb, scsi_bufflen(srb) - len);
+
+       return TRANSPORT_GOOD;
+}
+
+static int get_sd_csd(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       unsigned int lun = SCSI_LUN(srb);
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (get_lun_card(chip, lun) != SD_CARD) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       scsi_set_resid(srb, 0);
+       rts51x_set_xfer_buf(sd_card->raw_csd, scsi_bufflen(srb), srb);
+
+       return TRANSPORT_GOOD;
+}
+
+static int read_phy_register(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int retval;
+       u8 addr, len, i;
+       u8 *buf;
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       addr = srb->cmnd[5];
+       len = srb->cmnd[7];
+
+       if (len) {
+               buf = vmalloc(len);
+               if (!buf)
+                       TRACE_RET(chip, TRANSPORT_ERROR);
+
+               for (i = 0; i < len; i++) {
+                       retval =
+                           rts51x_read_phy_register(chip, addr + i, buf + i);
+                       if (retval != STATUS_SUCCESS) {
+                               vfree(buf);
+                               set_sense_type(chip, SCSI_LUN(srb),
+                                       SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+                       }
+               }
+
+               len = min(scsi_bufflen(srb), (unsigned int)len);
+               rts51x_set_xfer_buf(buf, len, srb);
+               scsi_set_resid(srb, scsi_bufflen(srb) - len);
+
+               vfree(buf);
+       }
+
+       return TRANSPORT_GOOD;
+}
+
+static int write_phy_register(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int retval;
+       u8 addr, len, i;
+       u8 *buf;
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       addr = srb->cmnd[5];
+       len = srb->cmnd[7];
+
+       if (len) {
+               len = min(scsi_bufflen(srb), (unsigned int)len);
+
+               buf = vmalloc(len);
+               if (buf == NULL)
+                       TRACE_RET(chip, TRANSPORT_ERROR);
+
+               rts51x_get_xfer_buf(buf, len, srb);
+               scsi_set_resid(srb, scsi_bufflen(srb) - len);
+
+               for (i = 0; i < len; i++) {
+                       retval =
+                           rts51x_write_phy_register(chip, addr + i, buf[i]);
+                       if (retval != STATUS_SUCCESS) {
+                               vfree(buf);
+                               set_sense_type(chip, SCSI_LUN(srb),
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+                       }
+               }
+
+               vfree(buf);
+       }
+
+       return TRANSPORT_GOOD;
+}
+
+static int get_card_bus_width(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+       u8 card, bus_width;
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       card = get_lun_card(chip, lun);
+       if ((card == SD_CARD) || (card == MS_CARD)) {
+               bus_width = chip->card_bus_width[lun];
+       } else {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       scsi_set_resid(srb, 0);
+       rts51x_set_xfer_buf(&bus_width, scsi_bufflen(srb), srb);
+
+       return TRANSPORT_GOOD;
+}
+
+#ifdef _MSG_TRACE
+static int trace_msg_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned char *buf = NULL;
+       u8 clear;
+       unsigned int buf_len;
+
+       buf_len =
+           4 +
+           ((2 + MSG_FUNC_LEN + MSG_FILE_LEN + TIME_VAL_LEN) * TRACE_ITEM_CNT);
+
+       if ((scsi_bufflen(srb) < buf_len) || (scsi_sglist(srb) == NULL)) {
+               set_sense_type(chip, SCSI_LUN(srb),
+                              SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       clear = srb->cmnd[2];
+
+       buf = vmalloc(scsi_bufflen(srb));
+       if (buf == NULL)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       rts51x_trace_msg(chip, buf, clear);
+
+       rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb);
+       vfree(buf);
+
+       scsi_set_resid(srb, 0);
+       return TRANSPORT_GOOD;
+}
+#endif
+
+static int rw_mem_cmd_buf(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int retval = STATUS_SUCCESS;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 cmd_type, mask, value, idx, mode, len;
+       u16 addr;
+       u32 timeout;
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       switch (srb->cmnd[3]) {
+       case INIT_BATCHCMD:
+               rts51x_init_cmd(chip);
+               break;
+
+       case ADD_BATCHCMD:
+               cmd_type = srb->cmnd[4];
+               if (cmd_type > 2) {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               addr = (srb->cmnd[5] << 8) | srb->cmnd[6];
+               mask = srb->cmnd[7];
+               value = srb->cmnd[8];
+               rts51x_add_cmd(chip, cmd_type, addr, mask, value);
+               break;
+
+       case SEND_BATCHCMD:
+               mode = srb->cmnd[4];
+               len = srb->cmnd[5];
+               timeout =
+                   ((u32) srb->cmnd[6] << 24) | ((u32) srb->
+                                                 cmnd[7] << 16) | ((u32) srb->
+                                                                   cmnd[8] <<
+                                                                   8) | ((u32)
+                                                                         srb->
+                                                                         cmnd
+                                                                         [9]);
+               retval = rts51x_send_cmd(chip, mode, 1000);
+               if (retval != STATUS_SUCCESS) {
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               if (mode & STAGE_R) {
+                       retval = rts51x_get_rsp(chip, len, timeout);
+                       if (retval != STATUS_SUCCESS) {
+                               set_sense_type(chip, lun,
+                                       SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+                       }
+               }
+               break;
+
+       case GET_BATCHRSP:
+               idx = srb->cmnd[4];
+               value = chip->rsp_buf[idx];
+               if (scsi_bufflen(srb) < 1) {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               rts51x_set_xfer_buf(&value, 1, srb);
+               scsi_set_resid(srb, 0);
+               break;
+
+       default:
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       return TRANSPORT_GOOD;
+}
+
+static int suit_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int result;
+
+       switch (srb->cmnd[3]) {
+       case INIT_BATCHCMD:
+       case ADD_BATCHCMD:
+       case SEND_BATCHCMD:
+       case GET_BATCHRSP:
+               result = rw_mem_cmd_buf(srb, chip);
+               break;
+       default:
+               result = TRANSPORT_ERROR;
+       }
+
+       return result;
+}
+
+static int app_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int result;
+
+       switch (srb->cmnd[2]) {
+       case PP_READ10:
+       case PP_WRITE10:
+               result = read_write(srb, chip);
+               break;
+
+       case SUIT_CMD:
+               result = suit_cmd(srb, chip);
+               break;
+
+       case READ_PHY:
+               result = read_phy_register(srb, chip);
+               break;
+
+       case WRITE_PHY:
+               result = write_phy_register(srb, chip);
+               break;
+
+       case GET_DEV_STATUS:
+               result = get_dev_status(srb, chip);
+               break;
+
+       default:
+               set_sense_type(chip, SCSI_LUN(srb),
+                              SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       return result;
+}
+
+static int vendor_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int result = TRANSPORT_GOOD;
+
+       switch (srb->cmnd[1]) {
+       case READ_STATUS:
+               result = read_status(srb, chip);
+               break;
+
+       case READ_MEM:
+               result = read_mem(srb, chip);
+               break;
+
+       case WRITE_MEM:
+               result = write_mem(srb, chip);
+               break;
+
+       case GET_BUS_WIDTH:
+               result = get_card_bus_width(srb, chip);
+               break;
+
+       case GET_SD_CSD:
+               result = get_sd_csd(srb, chip);
+               break;
+
+#ifdef _MSG_TRACE
+       case TRACE_MSG:
+               result = trace_msg_cmd(srb, chip);
+               break;
+#endif
+
+       case SCSI_APP_CMD:
+               result = app_cmd(srb, chip);
+               break;
+
+       default:
+               set_sense_type(chip, SCSI_LUN(srb),
+                              SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       return result;
+}
+
+static int ms_format_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int retval, quick_format;
+
+       if (get_lun_card(chip, lun) != MS_CARD) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if ((srb->cmnd[3] != 0x4D) || (srb->cmnd[4] != 0x47)
+           || (srb->cmnd[5] != 0x66) || (srb->cmnd[6] != 0x6D)
+           || (srb->cmnd[7] != 0x74)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (srb->cmnd[8] & 0x01)
+               quick_format = 0;
+       else
+               quick_format = 1;
+
+       if (!(chip->card_ready & MS_CARD)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (chip->card_wp & MS_CARD) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (!CHK_MSPRO(ms_card)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       retval = mspro_format(srb, chip, MS_SHORT_DATA_LEN, quick_format);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_FORMAT_CMD_FAILED);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       scsi_set_resid(srb, 0);
+       return TRANSPORT_GOOD;
+}
+
+#ifdef SUPPORT_PCGL_1P18
+int get_ms_information(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       unsigned int lun = SCSI_LUN(srb);
+       u8 dev_info_id, data_len;
+       u8 *buf;
+       unsigned int buf_len;
+       int i;
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       if ((get_lun_card(chip, lun) != MS_CARD)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if ((srb->cmnd[2] != 0xB0) || (srb->cmnd[4] != 0x4D) ||
+           (srb->cmnd[5] != 0x53) || (srb->cmnd[6] != 0x49) ||
+           (srb->cmnd[7] != 0x44)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       dev_info_id = srb->cmnd[3];
+       if ((CHK_MSXC(ms_card) && (dev_info_id == 0x10)) ||
+           (!CHK_MSXC(ms_card) && (dev_info_id == 0x13)) ||
+           !CHK_MSPRO(ms_card)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (dev_info_id == 0x15)
+               buf_len = data_len = 0x3A;
+       else
+               buf_len = data_len = 0x6A;
+
+       buf = kmalloc(buf_len, GFP_KERNEL);
+       if (!buf)
+               TRACE_RET(chip, TRANSPORT_ERROR);
+
+       i = 0;
+       /* GET Memory Stick Media Information Response Header */
+       buf[i++] = 0x00;        /* Data length MSB */
+       buf[i++] = data_len;    /* Data length LSB */
+       /* Device Information Type Code */
+       if (CHK_MSXC(ms_card))
+               buf[i++] = 0x03;
+       else
+               buf[i++] = 0x02;
+       /* SGM bit */
+       buf[i++] = 0x01;
+       /* Reserved */
+       buf[i++] = 0x00;
+       buf[i++] = 0x00;
+       buf[i++] = 0x00;
+       /* Number of Device Information */
+       buf[i++] = 0x01;
+
+       /*  Device Information Body
+        *  Device Information ID Number */
+       buf[i++] = dev_info_id;
+       /* Device Information Length */
+       if (dev_info_id == 0x15)
+               data_len = 0x31;
+       else
+               data_len = 0x61;
+       buf[i++] = 0x00;        /* Data length MSB */
+       buf[i++] = data_len;    /* Data length LSB */
+       /* Valid Bit */
+       buf[i++] = 0x80;
+       if ((dev_info_id == 0x10) || (dev_info_id == 0x13)) {
+               /* System Information */
+               memcpy(buf + i, ms_card->raw_sys_info, 96);
+       } else {
+               /* Model Name */
+               memcpy(buf + i, ms_card->raw_model_name, 48);
+       }
+
+       rts51x_set_xfer_buf(buf, buf_len, srb);
+
+       if (dev_info_id == 0x15)
+               scsi_set_resid(srb, scsi_bufflen(srb) - 0x3C);
+       else
+               scsi_set_resid(srb, scsi_bufflen(srb) - 0x6C);
+
+       kfree(buf);
+       return STATUS_SUCCESS;
+}
+#endif
+
+static int ms_sp_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int retval = TRANSPORT_ERROR;
+
+       if (srb->cmnd[2] == MS_FORMAT)
+               retval = ms_format_cmnd(srb, chip);
+#ifdef SUPPORT_PCGL_1P18
+       else if (srb->cmnd[2] == GET_MS_INFORMATION)
+               retval = get_ms_information(srb, chip);
+#endif
+
+       return retval;
+}
+
+#ifdef SUPPORT_CPRM
+static int sd_extention_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       unsigned int lun = SCSI_LUN(srb);
+       int result;
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       sd_cleanup_work(chip);
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       if ((get_lun_card(chip, lun) != SD_CARD)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       switch (srb->cmnd[0]) {
+       case SD_PASS_THRU_MODE:
+               result = sd_pass_thru_mode(srb, chip);
+               break;
+
+       case SD_EXECUTE_NO_DATA:
+               result = sd_execute_no_data(srb, chip);
+               break;
+
+       case SD_EXECUTE_READ:
+               result = sd_execute_read_data(srb, chip);
+               break;
+
+       case SD_EXECUTE_WRITE:
+               result = sd_execute_write_data(srb, chip);
+               break;
+
+       case SD_GET_RSP:
+               result = sd_get_cmd_rsp(srb, chip);
+               break;
+
+       case SD_HW_RST:
+               result = sd_hw_rst(srb, chip);
+               break;
+
+       default:
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       return result;
+}
+#endif
+
+#ifdef SUPPORT_MAGIC_GATE
+int mg_report_key(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int retval;
+       u8 key_format;
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       ms_cleanup_work(chip);
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       if ((get_lun_card(chip, lun) != MS_CARD)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (srb->cmnd[7] != KC_MG_R_PRO) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (!CHK_MSPRO(ms_card)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       key_format = srb->cmnd[10] & 0x3F;
+
+       switch (key_format) {
+       case KF_GET_LOC_EKB:
+               if ((scsi_bufflen(srb) == 0x41C) &&
+                   (srb->cmnd[8] == 0x04) && (srb->cmnd[9] == 0x1C)) {
+                       retval = mg_get_local_EKB(srb, chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               break;
+
+       case KF_RSP_CHG:
+               if ((scsi_bufflen(srb) == 0x24) &&
+                   (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x24)) {
+                       retval = mg_get_rsp_chg(srb, chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               break;
+
+       case KF_GET_ICV:
+               ms_card->mg_entry_num = srb->cmnd[5];
+               if ((scsi_bufflen(srb) == 0x404) &&
+                   (srb->cmnd[8] == 0x04) &&
+                   (srb->cmnd[9] == 0x04) &&
+                   (srb->cmnd[2] == 0x00) &&
+                   (srb->cmnd[3] == 0x00) &&
+                   (srb->cmnd[4] == 0x00) && (srb->cmnd[5] < 32)) {
+                       retval = mg_get_ICV(srb, chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               break;
+
+       default:
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       scsi_set_resid(srb, 0);
+       return TRANSPORT_GOOD;
+}
+
+int mg_send_key(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct ms_info *ms_card = &(chip->ms_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int retval;
+       u8 key_format;
+
+       rts51x_prepare_run(chip);
+       RTS51X_SET_STAT(chip, STAT_RUN);
+
+       ms_cleanup_work(chip);
+
+       if (!check_card_ready(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       if (check_card_wp(chip, lun)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       if ((get_lun_card(chip, lun) != MS_CARD)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (srb->cmnd[7] != KC_MG_R_PRO) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (!CHK_MSPRO(ms_card)) {
+               set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       key_format = srb->cmnd[10] & 0x3F;
+
+       switch (key_format) {
+       case KF_SET_LEAF_ID:
+               if ((scsi_bufflen(srb) == 0x0C) &&
+                   (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) {
+                       retval = mg_set_leaf_id(srb, chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               break;
+
+       case KF_CHG_HOST:
+               if ((scsi_bufflen(srb) == 0x0C) &&
+                   (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) {
+                       retval = mg_chg(srb, chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               break;
+
+       case KF_RSP_HOST:
+               if ((scsi_bufflen(srb) == 0x0C) &&
+                   (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) {
+                       retval = mg_rsp(srb, chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               break;
+
+       case KF_SET_ICV:
+               ms_card->mg_entry_num = srb->cmnd[5];
+               if ((scsi_bufflen(srb) == 0x404) &&
+                   (srb->cmnd[8] == 0x04) &&
+                   (srb->cmnd[9] == 0x04) &&
+                   (srb->cmnd[2] == 0x00) &&
+                   (srb->cmnd[3] == 0x00) &&
+                   (srb->cmnd[4] == 0x00) && (srb->cmnd[5] < 32)) {
+                       retval = mg_set_ICV(srb, chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               break;
+
+       default:
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       scsi_set_resid(srb, 0);
+       return TRANSPORT_GOOD;
+}
+#endif
+
+int rts51x_scsi_handler(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+#ifdef SUPPORT_SD_LOCK
+       struct sd_info *sd_card = &(chip->sd_card);
+#endif
+       struct ms_info *ms_card = &(chip->ms_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int result = TRANSPORT_GOOD;
+
+#ifdef SUPPORT_SD_LOCK
+       if (sd_card->sd_erase_status) {
+               /* Block all SCSI command except for REQUEST_SENSE
+                * and rs_ppstatus */
+               if (!
+                   ((srb->cmnd[0] == VENDOR_CMND)
+                    && (srb->cmnd[1] == SCSI_APP_CMD)
+                    && (srb->cmnd[2] == GET_DEV_STATUS))
+                   && (srb->cmnd[0] != REQUEST_SENSE)) {
+                       /* Logical Unit Not Ready Format in Progress */
+                       set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04,
+                                      0, 0);
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+       }
+#endif
+
+       if ((get_lun_card(chip, lun) == MS_CARD) &&
+           (ms_card->format_status == FORMAT_IN_PROGRESS)) {
+               if ((srb->cmnd[0] != REQUEST_SENSE)
+                   && (srb->cmnd[0] != INQUIRY)) {
+                       /* Logical Unit Not Ready Format in Progress */
+                       set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04,
+                                      0, (u16) (ms_card->progress));
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+       }
+
+       switch (srb->cmnd[0]) {
+       case READ_10:
+       case WRITE_10:
+       case READ_6:
+       case WRITE_6:
+               result = read_write(srb, chip);
+               break;
+
+       case TEST_UNIT_READY:
+               result = test_unit_ready(srb, chip);
+               break;
+
+       case INQUIRY:
+               result = inquiry(srb, chip);
+               break;
+
+       case READ_CAPACITY:
+               result = read_capacity(srb, chip);
+               break;
+
+       case START_STOP:
+               result = start_stop_unit(srb, chip);
+               break;
+
+       case ALLOW_MEDIUM_REMOVAL:
+               result = allow_medium_removal(srb, chip);
+               break;
+
+       case REQUEST_SENSE:
+               result = request_sense(srb, chip);
+               break;
+
+       case MODE_SENSE:
+       case MODE_SENSE_10:
+               result = mode_sense(srb, chip);
+               break;
+
+       case 0x23:
+               result = read_format_capacity(srb, chip);
+               break;
+
+       case VENDOR_CMND:
+               result = vendor_cmnd(srb, chip);
+               break;
+
+       case MS_SP_CMND:
+               result = ms_sp_cmnd(srb, chip);
+               break;
+
+#ifdef SUPPORT_CPRM
+       case SD_PASS_THRU_MODE:
+       case SD_EXECUTE_NO_DATA:
+       case SD_EXECUTE_READ:
+       case SD_EXECUTE_WRITE:
+       case SD_GET_RSP:
+       case SD_HW_RST:
+               result = sd_extention_cmnd(srb, chip);
+               break;
+#endif
+
+#ifdef SUPPORT_MAGIC_GATE
+       case CMD_MSPRO_MG_RKEY:
+               result = mg_report_key(srb, chip);
+               break;
+
+       case CMD_MSPRO_MG_SKEY:
+               result = mg_send_key(srb, chip);
+               break;
+#endif
+
+       case FORMAT_UNIT:
+       case MODE_SELECT:
+       case VERIFY:
+               result = TRANSPORT_GOOD;
+               break;
+
+       default:
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               result = TRANSPORT_FAILED;
+       }
+
+       return result;
+}
+
+/***********************************************************************
+ * Host functions
+ ***********************************************************************/
+
+const char *host_info(struct Scsi_Host *host)
+{
+       return "SCSI emulation for RTS51xx USB driver-based card reader";
+}
+
+int slave_alloc(struct scsi_device *sdev)
+{
+       /*
+        * Set the INQUIRY transfer length to 36.  We don't use any of
+        * the extra data and many devices choke if asked for more or
+        * less than 36 bytes.
+        */
+       sdev->inquiry_len = 36;
+       return 0;
+}
+
+int slave_configure(struct scsi_device *sdev)
+{
+       /* Scatter-gather buffers (all but the last) must have a length
+        * divisible by the bulk maxpacket size.  Otherwise a data packet
+        * would end up being short, causing a premature end to the data
+        * transfer.  Since high-speed bulk pipes have a maxpacket size
+        * of 512, we'll use that as the scsi device queue's DMA alignment
+        * mask.  Guaranteeing proper alignment of the first buffer will
+        * have the desired effect because, except at the beginning and
+        * the end, scatter-gather buffers follow page boundaries. */
+       blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
+
+       /* Set the SCSI level to at least 2.  We'll leave it at 3 if that's
+        * what is originally reported.  We need this to avoid confusing
+        * the SCSI layer with devices that report 0 or 1, but need 10-byte
+        * commands (ala ATAPI devices behind certain bridges, or devices
+        * which simply have broken INQUIRY data).
+        *
+        * NOTE: This means /dev/sg programs (ala cdrecord) will get the
+        * actual information.  This seems to be the preference for
+        * programs like that.
+        *
+        * NOTE: This also means that /proc/scsi/scsi and sysfs may report
+        * the actual value or the modified one, depending on where the
+        * data comes from.
+        */
+       if (sdev->scsi_level < SCSI_2)
+               sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2;
+
+       return 0;
+}
+
+/***********************************************************************
+ * /proc/scsi/ functions
+ ***********************************************************************/
+
+/* we use this macro to help us write into the buffer */
+#undef SPRINTF
+#define SPRINTF(args...) \
+       do { if (pos < buffer+length) pos += sprintf(pos, ## args); } while (0)
+
+int proc_info(struct Scsi_Host *host, char *buffer,
+             char **start, off_t offset, int length, int inout)
+{
+       char *pos = buffer;
+
+       /* if someone is sending us data, just throw it away */
+       if (inout)
+               return length;
+
+       /* print the controller name */
+       SPRINTF("   Host scsi%d: %s\n", host->host_no, RTS51X_NAME);
+
+       /* print product, vendor, and driver version strings */
+       SPRINTF("       Vendor: Realtek Corp.\n");
+       SPRINTF("      Product: RTS51xx USB Card Reader\n");
+       SPRINTF("      Version: %s\n", DRIVER_VERSION);
+       SPRINTF("        Build: %s\n", __TIME__);
+
+       /*
+        * Calculate start of next buffer, and return value.
+        */
+       *start = buffer + offset;
+
+       if ((pos - buffer) < offset)
+               return 0;
+       else if ((pos - buffer - offset) < length)
+               return pos - buffer - offset;
+       else
+               return length;
+}
+
+/* queue a command */
+/* This is always called with scsi_lock(host) held */
+int queuecommand_lck(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *))
+{
+       struct rts51x_chip *chip = host_to_rts51x(srb->device->host);
+
+       /* check for state-transition errors */
+       if (chip->srb != NULL) {
+               RTS51X_DEBUGP("Error in %s: chip->srb = %p\n",
+                              __func__, chip->srb);
+               return SCSI_MLQUEUE_HOST_BUSY;
+       }
+
+       /* fail the command if we are disconnecting */
+       if (test_bit(FLIDX_DISCONNECTING, &chip->usb->dflags)) {
+               RTS51X_DEBUGP("Fail command during disconnect\n");
+               srb->result = DID_NO_CONNECT << 16;
+               done(srb);
+               return 0;
+       }
+
+       /* enqueue the command and wake up the control thread */
+       srb->scsi_done = done;
+       chip->srb = srb;
+       complete(&chip->usb->cmnd_ready);
+
+       return 0;
+}
+
+#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37) */
+int queuecommand(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *))
+{
+       return queuecommand_lck(srb, done);
+}
+#else
+DEF_SCSI_QCMD(queuecommand)
+#endif
+/***********************************************************************
+ * Error handling functions
+ ***********************************************************************/
+/* Command timeout and abort */
+int command_abort(struct scsi_cmnd *srb)
+{
+       struct rts51x_chip *chip = host_to_rts51x(srb->device->host);
+
+       RTS51X_DEBUGP("%s called\n", __func__);
+
+       /* us->srb together with the TIMED_OUT, RESETTING, and ABORTING
+        * bits are protected by the host lock. */
+       scsi_lock(rts51x_to_host(chip));
+
+       /* Is this command still active? */
+       if (chip->srb != srb) {
+               scsi_unlock(rts51x_to_host(chip));
+               RTS51X_DEBUGP("-- nothing to abort\n");
+               return FAILED;
+       }
+
+       /* Set the TIMED_OUT bit.  Also set the ABORTING bit, but only if
+        * a device reset isn't already in progress (to avoid interfering
+        * with the reset).  Note that we must retain the host lock while
+        * calling usb_stor_stop_transport(); otherwise it might interfere
+        * with an auto-reset that begins as soon as we release the lock. */
+       set_bit(FLIDX_TIMED_OUT, &chip->usb->dflags);
+       if (!test_bit(FLIDX_RESETTING, &chip->usb->dflags)) {
+               set_bit(FLIDX_ABORTING, &chip->usb->dflags);
+               /* rts51x_stop_transport(us); */
+       }
+       scsi_unlock(rts51x_to_host(chip));
+
+       /* Wait for the aborted command to finish */
+       wait_for_completion(&chip->usb->notify);
+       return SUCCESS;
+}
+
+/* This invokes the transport reset mechanism to reset the state of the
+ * device */
+int device_reset(struct scsi_cmnd *srb)
+{
+       int result = 0;
+
+       RTS51X_DEBUGP("%s called\n", __func__);
+
+       return result < 0 ? FAILED : SUCCESS;
+}
+
+/* Simulate a SCSI bus reset by resetting the device's USB port. */
+int bus_reset(struct scsi_cmnd *srb)
+{
+       int result = 0;
+
+       RTS51X_DEBUGP("%s called\n", __func__);
+
+       return result < 0 ? FAILED : SUCCESS;
+}
+
+static const char *rts5139_info(struct Scsi_Host *host)
+{
+       return "SCSI emulation for RTS5139 USB card reader";
+}
+
+struct scsi_host_template rts51x_host_template = {
+       /* basic userland interface stuff */
+       .name = RTS51X_NAME,
+       .proc_name = RTS51X_NAME,
+       .proc_info = proc_info,
+       .info = rts5139_info,
+
+       /* command interface -- queued only */
+       .queuecommand = queuecommand,
+
+       /* error and abort handlers */
+       .eh_abort_handler = command_abort,
+       .eh_device_reset_handler = device_reset,
+       .eh_bus_reset_handler = bus_reset,
+
+       /* queue commands only, only one command per LUN */
+       .can_queue = 1,
+       .cmd_per_lun = 1,
+
+       /* unknown initiator id */
+       .this_id = -1,
+
+       .slave_alloc = slave_alloc,
+       .slave_configure = slave_configure,
+
+       /* lots of sg segments can be handled */
+       .sg_tablesize = SG_ALL,
+
+       /* limit the total size of a transfer to 120 KB */
+       .max_sectors = 240,
+
+       /* merge commands... this seems to help performance, but
+        * periodically someone should test to see which setting is more
+        * optimal.
+        */
+       .use_clustering = 1,
+
+       /* emulated HBA */
+       .emulated = 1,
+
+       /* we do our own delay after a device or bus reset */
+       .skip_settle_delay = 1,
+
+       /* sysfs device attributes */
+       /* .sdev_attrs = sysfs_device_attr_list, */
+
+       /* module management */
+       .module = THIS_MODULE
+};
+
diff --git a/drivers/staging/rts5139/rts51x_scsi.h b/drivers/staging/rts5139/rts51x_scsi.h
new file mode 100644 (file)
index 0000000..3a8ca06
--- /dev/null
@@ -0,0 +1,162 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_SCSI_H
+#define __RTS51X_SCSI_H
+
+#include <linux/usb.h>
+#include <linux/usb_usual.h>
+#include <linux/blkdev.h>
+#include <linux/completion.h>
+#include <linux/mutex.h>
+#include <scsi/scsi_host.h>
+
+#include "rts51x_chip.h"
+
+#define MS_SP_CMND             0xFA
+#define MS_FORMAT              0xA0
+#define GET_MS_INFORMATION     0xB0
+
+#define VENDOR_CMND            0xF0
+
+#define READ_STATUS            0x09
+
+#define READ_MEM               0x0D
+#define WRITE_MEM              0x0E
+#define GET_BUS_WIDTH          0x13
+#define GET_SD_CSD             0x14
+#define TOGGLE_GPIO            0x15
+#define TRACE_MSG              0x18
+
+#define SCSI_APP_CMD           0x10
+
+#define PP_READ10              0x1A
+#define PP_WRITE10             0x0A
+#define READ_HOST_REG          0x1D
+#define WRITE_HOST_REG         0x0D
+#define SET_VAR                        0x05
+#define GET_VAR                        0x15
+#define DMA_READ               0x16
+#define DMA_WRITE              0x06
+#define GET_DEV_STATUS         0x10
+#define SET_CHIP_MODE          0x27
+#define SUIT_CMD               0xE0
+#define WRITE_PHY              0x07
+#define READ_PHY               0x17
+
+#define INIT_BATCHCMD          0x41
+#define ADD_BATCHCMD           0x42
+#define SEND_BATCHCMD          0x43
+#define GET_BATCHRSP           0x44
+
+#ifdef SUPPORT_CPRM
+/* SD Pass Through Command Extention */
+#define SD_PASS_THRU_MODE      0xD0
+#define SD_EXECUTE_NO_DATA     0xD1
+#define SD_EXECUTE_READ                0xD2
+#define SD_EXECUTE_WRITE       0xD3
+#define SD_GET_RSP             0xD4
+#define SD_HW_RST              0xD6
+#endif
+
+#ifdef SUPPORT_MAGIC_GATE
+#define CMD_MSPRO_MG_RKEY      0xA4    /* Report Key Command */
+#define CMD_MSPRO_MG_SKEY      0xA3    /* Send Key Command */
+
+/* CBWCB field: key class */
+#define KC_MG_R_PRO            0xBE    /* MG-R PRO */
+
+/* CBWCB field: key format */
+#define KF_SET_LEAF_ID         0x31    /* Set Leaf ID */
+#define KF_GET_LOC_EKB         0x32    /* Get Local EKB */
+#define KF_CHG_HOST            0x33    /* Challenge (host) */
+#define KF_RSP_CHG             0x34    /* Response and Challenge (device)  */
+#define KF_RSP_HOST            0x35    /* Response (host) */
+#define KF_GET_ICV             0x36    /* Get ICV */
+#define KF_SET_ICV             0x37    /* SSet ICV */
+#endif
+
+struct rts51x_chip;
+
+/*-----------------------------------
+    Start-Stop-Unit
+-----------------------------------*/
+#define STOP_MEDIUM                    0x00    /* access disable */
+#define MAKE_MEDIUM_READY              0x01    /* access enable */
+#define UNLOAD_MEDIUM                  0x02    /* unload */
+#define LOAD_MEDIUM                    0x03    /* load */
+
+/*-----------------------------------
+    STANDARD_INQUIRY
+-----------------------------------*/
+#define QULIFIRE                0x00
+#define AENC_FNC                0x00
+#define TRML_IOP                0x00
+#define REL_ADR                 0x00
+#define WBUS_32                 0x00
+#define WBUS_16                 0x00
+#define SYNC                    0x00
+#define LINKED                  0x00
+#define CMD_QUE                 0x00
+#define SFT_RE                  0x00
+
+#define VEN_ID_LEN              8      /* Vendor ID Length         */
+#define PRDCT_ID_LEN            16     /* Product ID Length        */
+#define PRDCT_REV_LEN           4      /* Product LOT Length       */
+
+#define DRCT_ACCESS_DEV         0x00   /* Direct Access Device             */
+#define RMB_DISC                0x80   /* The Device is Removable          */
+#define ANSI_SCSI2              0x02   /* Based on ANSI-SCSI2              */
+
+#define SCSI                    0x00   /* Interface ID                     */
+
+void scsi_show_command(struct scsi_cmnd *srb);
+void set_sense_type(struct rts51x_chip *chip, unsigned int lun, int sense_type);
+void set_sense_data(struct rts51x_chip *chip, unsigned int lun, u8 err_code,
+                   u8 sense_key, u32 info, u8 asc, u8 ascq, u8 sns_key_info0,
+                   u16 sns_key_info1);
+
+int rts51x_scsi_handler(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+
+struct Scsi_Host;
+struct scsi_device;
+struct scsi_cmnd;
+
+const char *host_info(struct Scsi_Host *host);
+int slave_alloc(struct scsi_device *sdev);
+int slave_configure(struct scsi_device *sdev);
+int proc_info(struct Scsi_Host *host, char *buffer,
+             char **start, off_t offset, int length, int inout);
+#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37) */
+int queuecommand(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *));
+#else
+int queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
+#endif
+int command_abort(struct scsi_cmnd *srb);
+int device_reset(struct scsi_cmnd *srb);
+int bus_reset(struct scsi_cmnd *srb);
+
+#endif /* __RTS51X_SCSI_H */
diff --git a/drivers/staging/rts5139/rts51x_sys.h b/drivers/staging/rts5139/rts51x_sys.h
new file mode 100644 (file)
index 0000000..b09cd34
--- /dev/null
@@ -0,0 +1,54 @@
+/* Driver for Realtek USB RTS51xx card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_SYS_H
+#define __RTS51X_SYS_H
+
+#include "rts51x.h"
+#include "rts51x_chip.h"
+#include "rts51x_card.h"
+
+#define USING_POLLING_CYCLE_DELINK
+
+extern int  rts51x_check_start_time(struct rts51x_chip *chip);
+extern void rts51x_set_start_time(struct rts51x_chip *chip);
+extern void rts51x_clear_start_time(struct rts51x_chip *chip);
+
+/* typedef dma_addr_t ULONG_PTR; */
+
+static inline void rts51x_reset_detected_cards(struct rts51x_chip *chip)
+{
+/*      rts51x_reset_cards(chip); */
+}
+
+static inline void clear_first_install_mark(struct rts51x_chip *chip)
+{
+}
+
+void rts51x_enter_ss(struct rts51x_chip *chip);
+void rts51x_exit_ss(struct rts51x_chip *chip);
+
+#endif /* __RTS51X_SYS_H */
diff --git a/drivers/staging/rts5139/rts51x_transport.c b/drivers/staging/rts5139/rts51x_transport.c
new file mode 100644 (file)
index 0000000..e11467a
--- /dev/null
@@ -0,0 +1,1000 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include <scsi/scsi.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_device.h>
+
+#include "debug.h"
+#include "rts51x.h"
+#include "rts51x_chip.h"
+#include "rts51x_card.h"
+#include "rts51x_scsi.h"
+#include "rts51x_transport.h"
+#include "trace.h"
+
+/***********************************************************************
+ * Scatter-gather transfer buffer access routines
+ ***********************************************************************/
+
+/* Copy a buffer of length buflen to/from the srb's transfer buffer.
+ * Update the **sgptr and *offset variables so that the next copy will
+ * pick up from where this one left off.
+ */
+
+unsigned int rts51x_access_sglist(unsigned char *buffer,
+                                 unsigned int buflen, void *sglist,
+                                 void **sgptr, unsigned int *offset,
+                                 enum xfer_buf_dir dir)
+{
+       unsigned int cnt;
+       struct scatterlist *sg = (struct scatterlist *)*sgptr;
+
+       /* We have to go through the list one entry
+        * at a time.  Each s-g entry contains some number of pages, and
+        * each page has to be kmap()'ed separately.  If the page is already
+        * in kernel-addressable memory then kmap() will return its address.
+        * If the page is not directly accessible -- such as a user buffer
+        * located in high memory -- then kmap() will map it to a temporary
+        * position in the kernel's virtual address space.
+        */
+
+       if (!sg)
+               sg = (struct scatterlist *)sglist;
+
+       /* This loop handles a single s-g list entry, which may
+        * include multiple pages.  Find the initial page structure
+        * and the starting offset within the page, and update
+        * the *offset and **sgptr values for the next loop.
+        */
+       cnt = 0;
+       while (cnt < buflen && sg) {
+               struct page *page = sg_page(sg) +
+                   ((sg->offset + *offset) >> PAGE_SHIFT);
+               unsigned int poff = (sg->offset + *offset) & (PAGE_SIZE - 1);
+               unsigned int sglen = sg->length - *offset;
+
+               if (sglen > buflen - cnt) {
+
+                       /* Transfer ends within this s-g entry */
+                       sglen = buflen - cnt;
+                       *offset += sglen;
+               } else {
+
+                       /* Transfer continues to next s-g entry */
+                       *offset = 0;
+                       sg = sg_next(sg);
+               }
+
+               /* Transfer the data for all the pages in this
+                * s-g entry.  For each page: call kmap(), do the
+                * transfer, and call kunmap() immediately after. */
+               while (sglen > 0) {
+                       unsigned int plen = min(sglen, (unsigned int)
+                                               PAGE_SIZE - poff);
+                       unsigned char *ptr = kmap(page);
+
+                       if (dir == TO_XFER_BUF)
+                               memcpy(ptr + poff, buffer + cnt, plen);
+                       else
+                               memcpy(buffer + cnt, ptr + poff, plen);
+                       kunmap(page);
+
+                       /* Start at the beginning of the next page */
+                       poff = 0;
+                       ++page;
+                       cnt += plen;
+                       sglen -= plen;
+               }
+       }
+       *sgptr = sg;
+
+       /* Return the amount actually transferred */
+       return cnt;
+}
+
+unsigned int rts51x_access_xfer_buf(unsigned char *buffer,
+                                   unsigned int buflen, struct scsi_cmnd *srb,
+                                   struct scatterlist **sgptr,
+                                   unsigned int *offset, enum xfer_buf_dir dir)
+{
+       return rts51x_access_sglist(buffer, buflen, (void *)scsi_sglist(srb),
+                                   (void **)sgptr, offset, dir);
+}
+
+/* Store the contents of buffer into srb's transfer buffer and set the
+ * SCSI residue.
+ */
+void rts51x_set_xfer_buf(unsigned char *buffer,
+                        unsigned int buflen, struct scsi_cmnd *srb)
+{
+       unsigned int offset = 0;
+       struct scatterlist *sg = NULL;
+
+       buflen = min(buflen, scsi_bufflen(srb));
+       buflen = rts51x_access_xfer_buf(buffer, buflen, srb, &sg, &offset,
+                                       TO_XFER_BUF);
+       if (buflen < scsi_bufflen(srb))
+               scsi_set_resid(srb, scsi_bufflen(srb) - buflen);
+}
+
+void rts51x_get_xfer_buf(unsigned char *buffer,
+                        unsigned int buflen, struct scsi_cmnd *srb)
+{
+       unsigned int offset = 0;
+       struct scatterlist *sg = NULL;
+
+       buflen = min(buflen, scsi_bufflen(srb));
+       buflen = rts51x_access_xfer_buf(buffer, buflen, srb, &sg, &offset,
+                                       FROM_XFER_BUF);
+       if (buflen < scsi_bufflen(srb))
+               scsi_set_resid(srb, scsi_bufflen(srb) - buflen);
+}
+
+/* This is the completion handler which will wake us up when an URB
+ * completes.
+ */
+static void urb_done_completion(struct urb *urb)
+{
+       struct completion *urb_done_ptr = urb->context;
+
+       if (urb_done_ptr)
+               complete(urb_done_ptr);
+}
+
+/* This is the common part of the URB message submission code
+ *
+ * All URBs from the driver involved in handling a queued scsi
+ * command _must_ pass through this function (or something like it) for the
+ * abort mechanisms to work properly.
+ */
+static int rts51x_msg_common(struct rts51x_chip *chip, struct urb *urb,
+                            int timeout)
+{
+       struct rts51x_usb *rts51x = chip->usb;
+       struct completion urb_done;
+       long timeleft;
+       int status;
+
+       /* don't submit URBs during abort processing */
+       if (test_bit(FLIDX_ABORTING, &rts51x->dflags))
+               TRACE_RET(chip, -EIO);
+
+       /* set up data structures for the wakeup system */
+       init_completion(&urb_done);
+
+       /* fill the common fields in the URB */
+       urb->context = &urb_done;
+       urb->actual_length = 0;
+       urb->error_count = 0;
+       urb->status = 0;
+
+       /* we assume that if transfer_buffer isn't us->iobuf then it
+        * hasn't been mapped for DMA.  Yes, this is clunky, but it's
+        * easier than always having the caller tell us whether the
+        * transfer buffer has already been mapped. */
+       urb->transfer_flags = URB_NO_SETUP_DMA_MAP;
+       if (urb->transfer_buffer == rts51x->iobuf) {
+               urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+               urb->transfer_dma = rts51x->iobuf_dma;
+       }
+       urb->setup_dma = rts51x->cr_dma;
+
+       /* submit the URB */
+       status = usb_submit_urb(urb, GFP_NOIO);
+       if (status) {
+               /* something went wrong */
+               TRACE_RET(chip, status);
+       }
+
+       /* since the URB has been submitted successfully, it's now okay
+        * to cancel it */
+       set_bit(FLIDX_URB_ACTIVE, &rts51x->dflags);
+
+       /* did an abort occur during the submission? */
+       if (test_bit(FLIDX_ABORTING, &rts51x->dflags)) {
+
+               /* cancel the URB, if it hasn't been cancelled already */
+               if (test_and_clear_bit(FLIDX_URB_ACTIVE, &rts51x->dflags)) {
+                       RTS51X_DEBUGP("-- cancelling URB\n");
+                       usb_unlink_urb(urb);
+               }
+       }
+
+       /* wait for the completion of the URB */
+       timeleft =
+           wait_for_completion_interruptible_timeout(&urb_done,
+                                                     (timeout * HZ /
+                                                      1000) ? :
+                                                     MAX_SCHEDULE_TIMEOUT);
+
+       clear_bit(FLIDX_URB_ACTIVE, &rts51x->dflags);
+
+       if (timeleft <= 0) {
+               RTS51X_DEBUGP("%s -- cancelling URB\n",
+                              timeleft == 0 ? "Timeout" : "Signal");
+               usb_kill_urb(urb);
+               if (timeleft == 0)
+                       status = -ETIMEDOUT;
+               else
+                       status = -EINTR;
+       } else {
+               status = urb->status;
+       }
+
+       return status;
+}
+
+/*
+ * Interpret the results of a URB transfer
+ */
+static int interpret_urb_result(struct rts51x_chip *chip, unsigned int pipe,
+                               unsigned int length, int result,
+                               unsigned int partial)
+{
+       int retval = STATUS_SUCCESS;
+
+       /* RTS51X_DEBUGP("Status code %d; transferred %u/%u\n",
+                               result, partial, length); */
+       switch (result) {
+               /* no error code; did we send all the data? */
+       case 0:
+               if (partial != length) {
+                       RTS51X_DEBUGP("-- short transfer\n");
+                       TRACE_RET(chip, STATUS_TRANS_SHORT);
+               }
+               /* RTS51X_DEBUGP("-- transfer complete\n"); */
+               return STATUS_SUCCESS;
+               /* stalled */
+       case -EPIPE:
+               /* for control endpoints, (used by CB[I]) a stall indicates
+                * a failed command */
+               if (usb_pipecontrol(pipe)) {
+                       RTS51X_DEBUGP("-- stall on control pipe\n");
+                       TRACE_RET(chip, STATUS_STALLED);
+               }
+               /* for other sorts of endpoint, clear the stall */
+               RTS51X_DEBUGP("clearing endpoint halt for pipe 0x%x\n", pipe);
+               if (rts51x_clear_halt(chip, pipe) < 0)
+                       TRACE_RET(chip, STATUS_ERROR);
+               retval = STATUS_STALLED;
+               TRACE_GOTO(chip, Exit);
+
+               /* babble - the device tried to send more than
+                * we wanted to read */
+       case -EOVERFLOW:
+               RTS51X_DEBUGP("-- babble\n");
+               retval = STATUS_TRANS_LONG;
+               TRACE_GOTO(chip, Exit);
+
+               /* the transfer was cancelled by abort,
+                * disconnect, or timeout */
+       case -ECONNRESET:
+               RTS51X_DEBUGP("-- transfer cancelled\n");
+               retval = STATUS_ERROR;
+               TRACE_GOTO(chip, Exit);
+
+               /* short scatter-gather read transfer */
+       case -EREMOTEIO:
+               RTS51X_DEBUGP("-- short read transfer\n");
+               retval = STATUS_TRANS_SHORT;
+               TRACE_GOTO(chip, Exit);
+
+               /* abort or disconnect in progress */
+       case -EIO:
+               RTS51X_DEBUGP("-- abort or disconnect in progress\n");
+               retval = STATUS_ERROR;
+               TRACE_GOTO(chip, Exit);
+
+       case -ETIMEDOUT:
+               RTS51X_DEBUGP("-- time out\n");
+               retval = STATUS_TIMEDOUT;
+               TRACE_GOTO(chip, Exit);
+
+               /* the catch-all error case */
+       default:
+               RTS51X_DEBUGP("-- unknown error\n");
+               retval = STATUS_ERROR;
+               TRACE_GOTO(chip, Exit);
+       }
+
+Exit:
+       if ((retval != STATUS_SUCCESS) && !usb_pipecontrol(pipe))
+               rts51x_clear_hw_error(chip);
+
+       return retval;
+}
+
+int rts51x_ctrl_transfer(struct rts51x_chip *chip, unsigned int pipe,
+                        u8 request, u8 requesttype, u16 value, u16 index,
+                        void *data, u16 size, int timeout)
+{
+       struct rts51x_usb *rts51x = chip->usb;
+       int result;
+
+       RTS51X_DEBUGP("%s: rq=%02x rqtype=%02x value=%04x index=%02x len=%u\n",
+                      __func__, request, requesttype, value, index, size);
+
+       /* fill in the devrequest structure */
+       rts51x->cr->bRequestType = requesttype;
+       rts51x->cr->bRequest = request;
+       rts51x->cr->wValue = cpu_to_le16(value);
+       rts51x->cr->wIndex = cpu_to_le16(index);
+       rts51x->cr->wLength = cpu_to_le16(size);
+
+       /* fill and submit the URB */
+       usb_fill_control_urb(rts51x->current_urb, rts51x->pusb_dev, pipe,
+                            (unsigned char *)rts51x->cr, data, size,
+                            urb_done_completion, NULL);
+       result = rts51x_msg_common(chip, rts51x->current_urb, timeout);
+
+       return interpret_urb_result(chip, pipe, size, result,
+                                   rts51x->current_urb->actual_length);
+}
+
+int rts51x_clear_halt(struct rts51x_chip *chip, unsigned int pipe)
+{
+       int result;
+       int endp = usb_pipeendpoint(pipe);
+
+       if (usb_pipein(pipe))
+               endp |= USB_DIR_IN;
+
+       result = rts51x_ctrl_transfer(chip, SND_CTRL_PIPE(chip),
+                                     USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT,
+                                     USB_ENDPOINT_HALT, endp, NULL, 0, 3000);
+       if (result != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       usb_reset_endpoint(chip->usb->pusb_dev, endp);
+
+       return STATUS_SUCCESS;
+}
+
+int rts51x_reset_pipe(struct rts51x_chip *chip, char pipe)
+{
+       return rts51x_clear_halt(chip, pipe);
+}
+
+static void rts51x_sg_clean(struct usb_sg_request *io)
+{
+       if (io->urbs) {
+               while (io->entries--)
+                       usb_free_urb(io->urbs[io->entries]);
+               kfree(io->urbs);
+               io->urbs = NULL;
+       }
+#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 35) */
+       if (io->dev->dev.dma_mask != NULL)
+               usb_buffer_unmap_sg(io->dev, usb_pipein(io->pipe),
+                                   io->sg, io->nents);
+#endif
+       io->dev = NULL;
+}
+#if 0
+static void rts51x_sg_complete(struct urb *urb)
+{
+       struct usb_sg_request *io = urb->context;
+       int status = urb->status;
+
+       spin_lock(&io->lock);
+
+       /* In 2.5 we require hcds' endpoint queues not to progress after fault
+       * reports, until the completion callback (this!) returns.  That lets
+       * device driver code (like this routine) unlink queued urbs first,
+       * if it needs to, since the HC won't work on them at all.  So it's
+       * not possible for page N+1 to overwrite page N, and so on.
+       *
+       * That's only for "hard" faults; "soft" faults (unlinks) sometimes
+       * complete before the HCD can get requests away from hardware,
+       * though never during cleanup after a hard fault.
+       */
+       if (io->status
+               && (io->status != -ECONNRESET
+               || status != -ECONNRESET)
+               && urb->actual_length) {
+                       dev_err(io->dev->bus->controller,
+                               "dev %s ep%d%s scatterlist error %d/%d\n",
+                               io->dev->devpath,
+                               usb_endpoint_num(&urb->ep->desc),
+                               usb_urb_dir_in(urb) ? "in" : "out",
+                               status, io->status);
+                       /* BUG (); */
+       }
+
+       if (io->status == 0 && status && status != -ECONNRESET) {
+               int i, found, retval;
+
+               io->status = status;
+
+               /* the previous urbs, and this one, completed already.
+               * unlink pending urbs so they won't rx/tx bad data.
+               * careful: unlink can sometimes be synchronous...
+               */
+               spin_unlock(&io->lock);
+               for (i = 0, found = 0; i < io->entries; i++) {
+                       if (!io->urbs[i] || !io->urbs[i]->dev)
+                               continue;
+                       if (found) {
+                               retval = usb_unlink_urb(io->urbs[i]);
+                               if (retval != -EINPROGRESS &&
+                                       retval != -ENODEV &&
+                                       retval != -EBUSY)
+                                       dev_err(&io->dev->dev,
+                                               "%s, unlink --> %d\n",
+                                               __func__, retval);
+                       } else if (urb == io->urbs[i])
+                               found = 1;
+               }
+               spin_lock(&io->lock);
+       }
+       urb->dev = NULL;
+
+       /* on the last completion, signal usb_sg_wait() */
+       io->bytes += urb->actual_length;
+       io->count--;
+       if (!io->count)
+               complete(&io->complete);
+
+       spin_unlock(&io->lock);
+}
+
+/* This function is ported from usb_sg_init, which can transfer
+ * sg list partially */
+int rts51x_sg_init_partial(struct usb_sg_request *io, struct usb_device *dev,
+       unsigned pipe, unsigned period, void *buf, struct scatterlist **sgptr,
+       unsigned int *offset, int nents, size_t length, gfp_t mem_flags)
+{
+       int i;
+       int urb_flags;
+       int dma;
+       struct scatterlist *sg = *sgptr, *first_sg;
+
+       first_sg = (struct scatterlist *)buf;
+       if (!sg)
+               sg = first_sg;
+
+       if (!io || !dev || !sg
+               || usb_pipecontrol(pipe)
+               || usb_pipeisoc(pipe)
+               || (nents <= 0))
+               return -EINVAL;
+
+       spin_lock_init(&io->lock);
+       io->dev = dev;
+       io->pipe = pipe;
+       io->sg = first_sg;  /* used by unmap */
+       io->nents = nents;
+
+       RTS51X_DEBUGP("Before map, sg address: 0x%x\n", (unsigned int)sg);
+       RTS51X_DEBUGP("Before map, dev address: 0x%x\n", (unsigned int)dev);
+
+       /* not all host controllers use DMA (like the mainstream pci ones);
+       * they can use PIO (sl811) or be software over another transport.
+       */
+       dma = (dev->dev.dma_mask != NULL);
+       if (dma) {
+               /* map the whole sg list, because here we only know the
+                * total nents */
+               io->entries = usb_buffer_map_sg(dev, usb_pipein(pipe),
+               first_sg, nents);
+       } else {
+               io->entries = nents;
+       }
+
+       /* initialize all the urbs we'll use */
+       if (io->entries <= 0)
+               return io->entries;
+
+       io->urbs = kmalloc(io->entries * sizeof *io->urbs, mem_flags);
+       if (!io->urbs)
+               goto nomem;
+
+       urb_flags = URB_NO_INTERRUPT;
+       if (dma)
+               urb_flags |= URB_NO_TRANSFER_DMA_MAP;
+       if (usb_pipein(pipe))
+               urb_flags |= URB_SHORT_NOT_OK;
+
+       RTS51X_DEBUGP("io->entries = %d\n", io->entries);
+
+       for (i = 0; (sg != NULL) && (length > 0); i++) {
+               unsigned len;
+
+               RTS51X_DEBUGP("sg address: 0x%x\n", (unsigned int)sg);
+               RTS51X_DEBUGP("length = %d, *offset = %d\n", length, *offset);
+
+               io->urbs[i] = usb_alloc_urb(0, mem_flags);
+               if (!io->urbs[i]) {
+                       io->entries = i;
+                       goto nomem;
+               }
+
+               io->urbs[i]->dev = NULL;
+               io->urbs[i]->pipe = pipe;
+               io->urbs[i]->interval = period;
+               io->urbs[i]->transfer_flags = urb_flags;
+
+               io->urbs[i]->complete = rts51x_sg_complete;
+               io->urbs[i]->context = io;
+
+               if (dma) {
+                       io->urbs[i]->transfer_dma =
+                               sg_dma_address(sg) + *offset;
+                       len = sg_dma_len(sg) - *offset;
+                       io->urbs[i]->transfer_buffer = NULL;
+                       RTS51X_DEBUGP(" -- sg entry dma length = %d\n",
+                                               sg_dma_len(sg));
+               } else {
+                       /* hc may use _only_ transfer_buffer */
+                       io->urbs[i]->transfer_buffer = sg_virt(sg) + *offset;
+                       len = sg->length - *offset;
+                       RTS51X_DEBUGP(" -- sg entry length = %d\n",
+                                               sg->length);
+               }
+
+               if (length >= len) {
+                       *offset = 0;
+                       io->urbs[i]->transfer_buffer_length = len;
+                       length -= len;
+                       sg = sg_next(sg);
+               } else {
+                       *offset += length;
+                       io->urbs[i]->transfer_buffer_length = length;
+                       length = 0;
+               }
+               if (length == 0)
+                       io->entries = i + 1;
+#if 0
+               if (length) {
+                       len = min_t(unsigned, len, length);
+                       length -= len;
+                       if (length == 0) {
+                               io->entries = i + 1;
+                               *offset += len;
+                       } else {
+                               *offset = 0;
+                       }
+               }
+#endif
+       }
+       RTS51X_DEBUGP("In %s, urb count: %d\n", __func__, i);
+       io->urbs[--i]->transfer_flags &= ~URB_NO_INTERRUPT;
+
+       RTS51X_DEBUGP("sg address stored in sgptr: 0x%x\n", (unsigned int)sg);
+       *sgptr = sg;
+
+       /* transaction state */
+       io->count = io->entries;
+       io->status = 0;
+       io->bytes = 0;
+       init_completion(&io->complete);
+       return 0;
+
+nomem:
+       rts51x_sg_clean(io);
+       return -ENOMEM;
+}
+#endif
+int rts51x_sg_init(struct usb_sg_request *io, struct usb_device *dev,
+                  unsigned pipe, unsigned period, struct scatterlist *sg,
+                  int nents, size_t length, gfp_t mem_flags)
+{
+       return usb_sg_init(io, dev, pipe, period, sg, nents, length, mem_flags);
+}
+
+int rts51x_sg_wait(struct usb_sg_request *io, int timeout)
+{
+       long timeleft;
+       int i;
+       int entries = io->entries;
+
+       /* queue the urbs.  */
+       spin_lock_irq(&io->lock);
+       i = 0;
+       while (i < entries && !io->status) {
+               int retval;
+
+               io->urbs[i]->dev = io->dev;
+               retval = usb_submit_urb(io->urbs[i], GFP_ATOMIC);
+
+               /* after we submit, let completions or cancelations fire;
+                * we handshake using io->status.
+                */
+               spin_unlock_irq(&io->lock);
+               switch (retval) {
+                       /* maybe we retrying will recover */
+               case -ENXIO:    /* hc didn't queue this one */
+               case -EAGAIN:
+               case -ENOMEM:
+                       io->urbs[i]->dev = NULL;
+                       retval = 0;
+                       yield();
+                       break;
+
+                       /* no error? continue immediately.
+                        *
+                        * NOTE: to work better with UHCI (4K I/O buffer may
+                        * need 3K of TDs) it may be good to limit how many
+                        * URBs are queued at once; N milliseconds?
+                        */
+               case 0:
+                       ++i;
+                       cpu_relax();
+                       break;
+
+                       /* fail any uncompleted urbs */
+               default:
+                       io->urbs[i]->dev = NULL;
+                       io->urbs[i]->status = retval;
+                       dev_dbg(&io->dev->dev, "%s, submit --> %d\n",
+                               __func__, retval);
+                       usb_sg_cancel(io);
+               }
+               spin_lock_irq(&io->lock);
+               if (retval && (io->status == 0 || io->status == -ECONNRESET))
+                       io->status = retval;
+       }
+       io->count -= entries - i;
+       if (io->count == 0)
+               complete(&io->complete);
+       spin_unlock_irq(&io->lock);
+
+       timeleft =
+           wait_for_completion_interruptible_timeout(&io->complete,
+                                                     (timeout * HZ /
+                                                      1000) ? :
+                                                     MAX_SCHEDULE_TIMEOUT);
+       if (timeleft <= 0) {
+               RTS51X_DEBUGP("%s -- cancelling SG request\n",
+                              timeleft == 0 ? "Timeout" : "Signal");
+               usb_sg_cancel(io);
+               if (timeleft == 0)
+                       io->status = -ETIMEDOUT;
+               else
+                       io->status = -EINTR;
+       }
+
+       rts51x_sg_clean(io);
+       return io->status;
+}
+
+/*
+ * Transfer a scatter-gather list via bulk transfer
+ *
+ * This function does basically the same thing as usb_stor_bulk_transfer_buf()
+ * above, but it uses the usbcore scatter-gather library.
+ */
+static int rts51x_bulk_transfer_sglist(struct rts51x_chip *chip,
+                                      unsigned int pipe,
+                                      struct scatterlist *sg, int num_sg,
+                                      unsigned int length,
+                                      unsigned int *act_len, int timeout)
+{
+       int result;
+
+       /* don't submit s-g requests during abort processing */
+       if (test_bit(FLIDX_ABORTING, &chip->usb->dflags))
+               TRACE_RET(chip, STATUS_ERROR);
+
+       /* initialize the scatter-gather request block */
+       RTS51X_DEBUGP("%s: xfer %u bytes, %d entries\n", __func__,
+                      length, num_sg);
+       result =
+           rts51x_sg_init(&chip->usb->current_sg, chip->usb->pusb_dev, pipe, 0,
+                          sg, num_sg, length, GFP_NOIO);
+       if (result) {
+               RTS51X_DEBUGP("rts51x_sg_init returned %d\n", result);
+               TRACE_RET(chip, STATUS_ERROR);
+       }
+
+       /* since the block has been initialized successfully, it's now
+        * okay to cancel it */
+       set_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags);
+
+       /* did an abort occur during the submission? */
+       if (test_bit(FLIDX_ABORTING, &chip->usb->dflags)) {
+
+               /* cancel the request, if it hasn't been cancelled already */
+               if (test_and_clear_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags)) {
+                       RTS51X_DEBUGP("-- cancelling sg request\n");
+                       usb_sg_cancel(&chip->usb->current_sg);
+               }
+       }
+
+       /* wait for the completion of the transfer */
+       result = rts51x_sg_wait(&chip->usb->current_sg, timeout);
+
+       clear_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags);
+
+       /* result = us->current_sg.status; */
+       if (act_len)
+               *act_len = chip->usb->current_sg.bytes;
+       return interpret_urb_result(chip, pipe, length, result,
+                                   chip->usb->current_sg.bytes);
+}
+#if 0
+static int rts51x_bulk_transfer_sglist_partial(struct rts51x_chip *chip,
+               unsigned int pipe, void *buf, struct scatterlist **sgptr,
+               unsigned int *offset, int num_sg, unsigned int length,
+               unsigned int *act_len, int timeout)
+{
+       int result;
+
+       /* don't submit s-g requests during abort processing */
+       if (test_bit(FLIDX_ABORTING, &chip->usb->dflags))
+               TRACE_RET(chip, STATUS_ERROR);
+
+       /* initialize the scatter-gather request block */
+       RTS51X_DEBUGP("%s: xfer %u bytes, %d entries\n", __func__,
+                       length, num_sg);
+       result = rts51x_sg_init_partial(&chip->usb->current_sg,
+                       chip->usb->pusb_dev, pipe, 0, buf, sgptr, offset,
+                       num_sg, length, GFP_NOIO);
+       if (result) {
+               RTS51X_DEBUGP("rts51x_sg_init_partial returned %d\n", result);
+               TRACE_RET(chip, STATUS_ERROR);
+       }
+
+       /* since the block has been initialized successfully, it's now
+        * okay to cancel it */
+       set_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags);
+
+       /* did an abort occur during the submission? */
+       if (test_bit(FLIDX_ABORTING, &chip->usb->dflags)) {
+
+               /* cancel the request, if it hasn't been cancelled already */
+               if (test_and_clear_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags)) {
+                       RTS51X_DEBUGP("-- cancelling sg request\n");
+                       usb_sg_cancel(&chip->usb->current_sg);
+               }
+       }
+
+       /* wait for the completion of the transfer */
+       result = rts51x_sg_wait(&chip->usb->current_sg, timeout);
+
+       clear_bit(FLIDX_SG_ACTIVE, &chip->usb->dflags);
+
+       /* result = us->current_sg.status; */
+       if (act_len)
+               *act_len = chip->usb->current_sg.bytes;
+       return interpret_urb_result(chip, pipe, length, result,
+               chip->usb->current_sg.bytes);
+}
+#endif
+int rts51x_bulk_transfer_buf(struct rts51x_chip *chip, unsigned int pipe,
+                            void *buf, unsigned int length,
+                            unsigned int *act_len, int timeout)
+{
+       int result;
+
+       /* fill and submit the URB */
+       usb_fill_bulk_urb(chip->usb->current_urb, chip->usb->pusb_dev, pipe,
+                         buf, length, urb_done_completion, NULL);
+       result = rts51x_msg_common(chip, chip->usb->current_urb, timeout);
+
+       /* store the actual length of the data transferred */
+       if (act_len)
+               *act_len = chip->usb->current_urb->actual_length;
+       return interpret_urb_result(chip, pipe, length, result,
+                                   chip->usb->current_urb->actual_length);
+}
+
+int rts51x_transfer_data(struct rts51x_chip *chip, unsigned int pipe,
+                        void *buf, unsigned int len, int use_sg,
+                        unsigned int *act_len, int timeout)
+{
+       int result;
+
+       if (timeout < 600)
+               timeout = 600;
+
+       if (use_sg) {
+               result =
+                   rts51x_bulk_transfer_sglist(chip, pipe,
+                                               (struct scatterlist *)buf,
+                                               use_sg, len, act_len, timeout);
+       } else {
+               result =
+                   rts51x_bulk_transfer_buf(chip, pipe, buf, len, act_len,
+                                            timeout);
+       }
+
+       return result;
+}
+
+int rts51x_transfer_data_partial(struct rts51x_chip *chip, unsigned int pipe,
+                                void *buf, void **ptr, unsigned int *offset,
+                                unsigned int len, int use_sg,
+                                unsigned int *act_len, int timeout)
+{
+       int result;
+
+       if (timeout < 600)
+               timeout = 600;
+
+       if (use_sg) {
+               void *tmp_buf = kmalloc(len, GFP_KERNEL);
+               if (!tmp_buf)
+                       TRACE_RET(chip, STATUS_NOMEM);
+
+               if (usb_pipeout(pipe)) {
+                       rts51x_access_sglist(tmp_buf, len, buf, ptr, offset,
+                                            FROM_XFER_BUF);
+               }
+               result =
+                   rts51x_bulk_transfer_buf(chip, pipe, tmp_buf, len, act_len,
+                                            timeout);
+               if (result == STATUS_SUCCESS) {
+                       if (usb_pipein(pipe)) {
+                               rts51x_access_sglist(tmp_buf, len, buf, ptr,
+                                                    offset, TO_XFER_BUF);
+                       }
+               }
+
+               kfree(tmp_buf);
+#if 0
+               result = rts51x_bulk_transfer_sglist_partial(chip, pipe, buf,
+                                       (struct scatterlist **)ptr, offset,
+                                       use_sg, len, act_len, timeout);
+#endif
+       } else {
+               unsigned int step = 0;
+               if (offset)
+                       step = *offset;
+               result =
+                   rts51x_bulk_transfer_buf(chip, pipe, buf + step, len,
+                                            act_len, timeout);
+               if (act_len)
+                       step += *act_len;
+               else
+                       step += len;
+               if (offset)
+                       *offset = step;
+       }
+
+       return result;
+}
+
+int rts51x_get_epc_status(struct rts51x_chip *chip, u16 * status)
+{
+       unsigned int pipe = RCV_INTR_PIPE(chip);
+       struct usb_host_endpoint *ep;
+       struct completion urb_done;
+       int result;
+
+       if (!status)
+               TRACE_RET(chip, STATUS_ERROR);
+
+       /* set up data structures for the wakeup system */
+       init_completion(&urb_done);
+
+       ep = chip->usb->pusb_dev->ep_in[usb_pipeendpoint(pipe)];
+
+       /* fill and submit the URB */
+       /* We set interval to 1 here, so the polling interval is controlled
+        * by our polling thread */
+       usb_fill_int_urb(chip->usb->intr_urb, chip->usb->pusb_dev, pipe,
+                        status, 2, urb_done_completion, &urb_done, 1);
+
+       result = rts51x_msg_common(chip, chip->usb->intr_urb, 50);
+
+       return interpret_urb_result(chip, pipe, 2, result,
+                                   chip->usb->intr_urb->actual_length);
+}
+
+u8 media_not_present[] = {
+       0x70, 0, 0x02, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0x3A, 0, 0, 0, 0, 0 };
+u8 invalid_cmd_field[] = {
+       0x70, 0, 0x05, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0x24, 0, 0, 0, 0, 0 };
+
+void rts51x_invoke_transport(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       int result;
+
+#ifdef CONFIG_PM
+       if (chip->option.ss_en) {
+               if (srb->cmnd[0] == TEST_UNIT_READY) {
+                       if (RTS51X_CHK_STAT(chip, STAT_SS)) {
+                               if (check_fake_card_ready(chip,
+                                                       SCSI_LUN(srb))) {
+                                       srb->result = SAM_STAT_GOOD;
+                               } else {
+                                       srb->result = SAM_STAT_CHECK_CONDITION;
+                                       memcpy(srb->sense_buffer,
+                                              media_not_present, SENSE_SIZE);
+                               }
+                               return;
+                       }
+               } else if (srb->cmnd[0] == ALLOW_MEDIUM_REMOVAL) {
+                       if (RTS51X_CHK_STAT(chip, STAT_SS)) {
+                               int prevent = srb->cmnd[4] & 0x1;
+
+                               if (prevent) {
+                                       srb->result = SAM_STAT_CHECK_CONDITION;
+                                       memcpy(srb->sense_buffer,
+                                              invalid_cmd_field, SENSE_SIZE);
+                               } else {
+                                       srb->result = SAM_STAT_GOOD;
+                               }
+                               return;
+                       }
+               } else {
+                       if (RTS51X_CHK_STAT(chip, STAT_SS)
+                           || RTS51X_CHK_STAT(chip, STAT_SS_PRE)) {
+                               /* Wake up device */
+                               RTS51X_DEBUGP("Try to wake up device\n");
+                               chip->resume_from_scsi = 1;
+
+                               rts51x_try_to_exit_ss(chip);
+
+                               if (RTS51X_CHK_STAT(chip, STAT_SS)) {
+                                       wait_timeout(3000);
+
+                                       rts51x_init_chip(chip);
+                                       rts51x_init_cards(chip);
+                               }
+                       }
+               }
+       }
+#endif
+
+       result = rts51x_scsi_handler(srb, chip);
+
+       /* if there is a transport error, reset and don't auto-sense */
+       if (result == TRANSPORT_ERROR) {
+               RTS51X_DEBUGP("-- transport indicates error, resetting\n");
+               srb->result = DID_ERROR << 16;
+               goto Handle_Errors;
+       }
+
+       srb->result = SAM_STAT_GOOD;
+
+       /*
+        * If we have a failure, we're going to do a REQUEST_SENSE
+        * automatically.  Note that we differentiate between a command
+        * "failure" and an "error" in the transport mechanism.
+        */
+       if (result == TRANSPORT_FAILED) {
+               /* set the result so the higher layers expect this data */
+               srb->result = SAM_STAT_CHECK_CONDITION;
+               memcpy(srb->sense_buffer,
+                      (unsigned char *)&(chip->sense_buffer[SCSI_LUN(srb)]),
+                      sizeof(struct sense_data_t));
+       }
+
+       return;
+
+       /* Error and abort processing: try to resynchronize with the device
+        * by issuing a port reset.  If that fails, try a class-specific
+        * device reset. */
+Handle_Errors:
+       return;
+}
diff --git a/drivers/staging/rts5139/rts51x_transport.h b/drivers/staging/rts5139/rts51x_transport.h
new file mode 100644 (file)
index 0000000..f7aa87f
--- /dev/null
@@ -0,0 +1,80 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_TRANSPORT_H
+#define __RTS51X_TRANSPORT_H
+
+#include <linux/kernel.h>
+#include <linux/version.h>
+
+#include "rts51x.h"
+#include "rts51x_chip.h"
+
+#if 1 /* LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 34) */
+#define URB_NO_SETUP_DMA_MAP           0
+#endif
+
+unsigned int rts51x_access_sglist(unsigned char *buffer,
+                                 unsigned int buflen, void *sglist,
+                                 void **sgptr, unsigned int *offset,
+                                 enum xfer_buf_dir dir);
+unsigned int rts51x_access_xfer_buf(unsigned char *buffer, unsigned int buflen,
+                                   struct scsi_cmnd *srb,
+                                   struct scatterlist **sgptr,
+                                   unsigned int *offset,
+                                   enum xfer_buf_dir dir);
+void rts51x_set_xfer_buf(unsigned char *buffer, unsigned int buflen,
+                        struct scsi_cmnd *srb);
+void rts51x_get_xfer_buf(unsigned char *buffer, unsigned int buflen,
+                        struct scsi_cmnd *srb);
+
+int rts51x_ctrl_transfer(struct rts51x_chip *chip, unsigned int pipe,
+                        u8 request, u8 requesttype, u16 value, u16 index,
+                        void *data, u16 size, int timeout);
+int rts51x_clear_halt(struct rts51x_chip *chip, unsigned int pipe);
+int rts51x_transfer_data(struct rts51x_chip *chip, unsigned int pipe,
+                        void *buf, unsigned int len, int use_sg,
+                        unsigned int *act_len, int timeout);
+int rts51x_transfer_data_partial(struct rts51x_chip *chip, unsigned int pipe,
+                                void *buf, void **ptr, unsigned int *offset,
+                                unsigned int len, int use_sg,
+                                unsigned int *act_len, int timeout);
+
+/* whichPipe:
+ * 0: bulk in pipe
+ * 1: bulk out pipe
+ * 2: intr  in pipe */
+int rts51x_reset_pipe(struct rts51x_chip *chip, char pipe);
+
+#ifndef POLLING_IN_THREAD
+int rts51x_start_epc_transfer(struct rts51x_chip *chip);
+void rts51x_cancel_epc_transfer(struct rts51x_chip *chip);
+#endif
+
+int rts51x_get_epc_status(struct rts51x_chip *chip, u16 * status);
+void rts51x_invoke_transport(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+
+#endif /* __RTS51X_TRANSPORT_H */
diff --git a/drivers/staging/rts5139/sd.c b/drivers/staging/rts5139/sd.c
new file mode 100644 (file)
index 0000000..d5dd2f9
--- /dev/null
@@ -0,0 +1,3400 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+
+#include "debug.h"
+#include "trace.h"
+#include "rts51x.h"
+#include "rts51x_transport.h"
+#include "rts51x_scsi.h"
+#include "rts51x_card.h"
+#include "sd.h"
+
+static inline void sd_set_reset_fail(struct rts51x_chip *chip, u8 err_code)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       sd_card->sd_reset_fail |= err_code;
+}
+
+static inline void sd_clear_reset_fail(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       sd_card->sd_reset_fail = 0;
+}
+
+static inline int sd_check_reset_fail(struct rts51x_chip *chip, u8 err_code)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       return sd_card->sd_reset_fail & err_code;
+}
+
+static inline void sd_set_err_code(struct rts51x_chip *chip, u8 err_code)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       sd_card->err_code |= err_code;
+}
+
+static inline void sd_clr_err_code(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       sd_card->err_code = 0;
+}
+
+static inline int sd_check_err_code(struct rts51x_chip *chip, u8 err_code)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       return sd_card->err_code & err_code;
+}
+
+static int sd_parse_err_code(struct rts51x_chip *chip)
+{
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+int sd_check_data0_status(struct rts51x_chip *chip)
+{
+       int retval;
+       u8 stat;
+
+       retval = rts51x_ep0_read_register(chip, SD_BUS_STAT, &stat);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       if (!(stat & SD_DAT0_STATUS)) {
+               sd_set_err_code(chip, SD_BUSY);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_send_cmd_get_rsp(struct rts51x_chip *chip, u8 cmd_idx,
+                              u32 arg, u8 rsp_type, u8 *rsp, int rsp_len)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int timeout = 50;
+       u16 reg_addr;
+       u8 buf[17], stat;
+       int len = 2;
+       int rty_cnt = 0;
+
+       sd_clr_err_code(chip);
+
+       RTS51X_DEBUGP("SD/MMC CMD %d, arg = 0x%08x\n", cmd_idx, arg);
+
+       if (rsp_type == SD_RSP_TYPE_R1b)
+               timeout = 3000;
+
+RTY_SEND_CMD:
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, 0x40 | cmd_idx);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, (u8) (arg >> 24));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, (u8) (arg >> 16));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, (u8) (arg >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8) arg);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                      SD_TM_CMD_RSP | SD_TRANSFER_START);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER,
+                      SD_TRANSFER_END | SD_STAT_IDLE,
+                      SD_TRANSFER_END | SD_STAT_IDLE);
+
+       rts51x_add_cmd(chip, READ_REG_CMD, SD_STAT1, 0, 0);
+
+       if (CHECK_USB(chip, USB_20)) {
+               if (rsp_type == SD_RSP_TYPE_R2) {
+                       /* Read data from ping-pong buffer */
+                       for (reg_addr = PPBUF_BASE2;
+                            reg_addr < PPBUF_BASE2 + 16; reg_addr++) {
+                               rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0,
+                                              0);
+                       }
+                       len = 18;
+               } else if (rsp_type != SD_RSP_TYPE_R0) {
+                       /* Read data from SD_CMDx registers */
+                       for (reg_addr = SD_CMD0; reg_addr <= SD_CMD4;
+                            reg_addr++) {
+                               rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0,
+                                              0);
+                       }
+                       len = 7;
+               } else {
+                       len = 2;
+               }
+       } else {
+               len = 2;
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, len, timeout);
+
+       if (CHECK_SD_TRANS_FAIL(chip, retval)) {
+               u8 val;
+
+               rts51x_ep0_read_register(chip, SD_STAT1, &val);
+               RTS51X_DEBUGP("SD_STAT1: 0x%x\n", val);
+
+               rts51x_ep0_read_register(chip, SD_STAT2, &val);
+               RTS51X_DEBUGP("SD_STAT2: 0x%x\n", val);
+
+               if (val & SD_RSP_80CLK_TIMEOUT)
+                       sd_set_err_code(chip, SD_RSP_TIMEOUT);
+
+               rts51x_ep0_read_register(chip, SD_BUS_STAT, &val);
+               RTS51X_DEBUGP("SD_BUS_STAT: 0x%x\n", val);
+
+               if (retval == STATUS_TIMEDOUT) {
+                       if (rsp_type & SD_WAIT_BUSY_END) {
+                               retval = sd_check_data0_status(chip);
+                               if (retval != STATUS_SUCCESS)
+                                       TRACE_RET(chip, retval);
+                       } else {
+                               sd_set_err_code(chip, SD_TO_ERR);
+                       }
+               }
+               rts51x_clear_sd_error(chip);
+
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (rsp_type == SD_RSP_TYPE_R0)
+               return STATUS_SUCCESS;
+
+       if (CHECK_USB(chip, USB_20)) {
+               rts51x_read_rsp_buf(chip, 2, buf, len - 2);
+       } else {
+               if (rsp_type == SD_RSP_TYPE_R2) {
+                       reg_addr = PPBUF_BASE2;
+                       len = 16;
+               } else {
+                       reg_addr = SD_CMD0;
+                       len = 5;
+               }
+               retval = rts51x_seq_read_register(chip, reg_addr,
+                                                    (unsigned short)len, buf);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+       stat = chip->rsp_buf[1];
+
+       /* Check (Start,Transmission) bit of Response */
+       if ((buf[0] & 0xC0) != 0) {
+               sd_set_err_code(chip, SD_STS_ERR);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       /* Check CRC7 */
+       if (!(rsp_type & SD_NO_CHECK_CRC7)) {
+               if (stat & SD_CRC7_ERR) {
+                       if (cmd_idx == WRITE_MULTIPLE_BLOCK) {
+                               sd_set_err_code(chip, SD_CRC_ERR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if (rty_cnt < SD_MAX_RETRY_COUNT) {
+                               wait_timeout(20);
+                               rty_cnt++;
+                               goto RTY_SEND_CMD;
+                       } else {
+                               sd_set_err_code(chip, SD_CRC_ERR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+       }
+       /* Check Status */
+       if ((rsp_type == SD_RSP_TYPE_R1) || (rsp_type == SD_RSP_TYPE_R1b)) {
+               if ((cmd_idx != SEND_RELATIVE_ADDR)
+                   && (cmd_idx != SEND_IF_COND)) {
+                       if (cmd_idx != STOP_TRANSMISSION) {
+                               if (buf[1] & 0x80)
+                                       TRACE_RET(chip, STATUS_FAIL);
+                       }
+#ifdef SUPPORT_SD_LOCK
+                       /* exclude bit25 CARD_IS_LOCKED */
+                       if (buf[1] & 0x7D) {
+#else
+                       if (buf[1] & 0x7F) {
+#endif
+                               RTS51X_DEBUGP("buf[1]: 0x%02x\n", buf[1]);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if (buf[2] & 0xFF) {
+                               RTS51X_DEBUGP("buf[2]: 0x%02x\n", buf[2]);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if (buf[3] & 0x80) {
+                               RTS51X_DEBUGP("buf[3]: 0x%02x\n", buf[3]);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       if (buf[3] & 0x01) {
+                               /* Get "READY_FOR_DATA" bit */
+                               sd_card->sd_data_buf_ready = 1;
+                       } else {
+                               sd_card->sd_data_buf_ready = 0;
+                       }
+               }
+       }
+
+       if (rsp && rsp_len)
+               memcpy(rsp, buf, rsp_len);
+
+       return STATUS_SUCCESS;
+}
+
+static inline void sd_print_debug_reg(struct rts51x_chip *chip)
+{
+#ifdef CONFIG_RTS5139_DEBUG
+       u8 val = 0;
+
+       rts51x_ep0_read_register(chip, SD_STAT1, &val);
+       RTS51X_DEBUGP("SD_STAT1: 0x%x\n", val);
+       rts51x_ep0_read_register(chip, SD_STAT2, &val);
+       RTS51X_DEBUGP("SD_STAT2: 0x%x\n", val);
+       rts51x_ep0_read_register(chip, SD_BUS_STAT, &val);
+       RTS51X_DEBUGP("SD_BUS_STAT: 0x%x\n", val);
+#endif
+}
+
+int sd_read_data(struct rts51x_chip *chip, u8 trans_mode, u8 *cmd, int cmd_len,
+                u16 byte_cnt, u16 blk_cnt, u8 bus_width, u8 *buf, int buf_len,
+                int timeout)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int i;
+
+       sd_clr_err_code(chip);
+
+       if (!buf)
+               buf_len = 0;
+
+       if (buf_len > 512)
+               /* This function can't read data more than one page */
+               TRACE_RET(chip, STATUS_FAIL);
+
+       rts51x_init_cmd(chip);
+
+       if (cmd_len) {
+               RTS51X_DEBUGP("SD/MMC CMD %d\n", cmd[0] - 0x40);
+               for (i = 0; i < (cmd_len < 6 ? cmd_len : 6); i++) {
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0 + i, 0xFF,
+                                      cmd[i]);
+               }
+       }
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, (u8) byte_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF,
+                      (u8) (byte_cnt >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, (u8) blk_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF,
+                      (u8) (blk_cnt >> 8));
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, bus_width);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF,
+                      SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END
+                      | SD_CHECK_CRC7 | SD_RSP_LEN_6);
+       if (trans_mode != SD_TM_AUTO_TUNING) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                              PINGPONG_BUFFER);
+       }
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                      trans_mode | SD_TRANSFER_START);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END,
+                      SD_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 1, timeout);
+
+       if (CHECK_SD_TRANS_FAIL(chip, retval)) {
+               sd_print_debug_reg(chip);
+               if (retval == STATUS_TIMEDOUT) {
+                       sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0);
+               }
+
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (buf && buf_len) {
+               retval = rts51x_read_ppbuf(chip, buf, buf_len);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_write_data(struct rts51x_chip *chip, u8 trans_mode,
+                        u8 *cmd, int cmd_len, u16 byte_cnt, u16 blk_cnt,
+                        u8 bus_width, u8 *buf, int buf_len, int timeout)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int i;
+
+       sd_clr_err_code(chip);
+
+       if (!buf)
+               buf_len = 0;
+
+       /* This function can't write data more than one page */
+       if (buf_len > 512)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (buf && buf_len) {
+               retval = rts51x_write_ppbuf(chip, buf, buf_len);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       rts51x_init_cmd(chip);
+
+       if (cmd_len) {
+               RTS51X_DEBUGP("SD/MMC CMD %d\n", cmd[0] - 0x40);
+               for (i = 0; i < (cmd_len < 6 ? cmd_len : 6); i++) {
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0 + i, 0xFF,
+                                      cmd[i]);
+               }
+       }
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, (u8) byte_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF,
+                      (u8) (byte_cnt >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, (u8) blk_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF,
+                      (u8) (blk_cnt >> 8));
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, bus_width);
+
+       if (cmd_len) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF,
+                              SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
+                              SD_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_6);
+
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF,
+                              SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
+                              SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 |
+                              SD_RSP_LEN_6);
+       }
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                      trans_mode | SD_TRANSFER_START);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END,
+                      SD_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 1, timeout);
+
+       if (CHECK_SD_TRANS_FAIL(chip, retval)) {
+               sd_print_debug_reg(chip);
+
+               if (retval == STATUS_TIMEDOUT)
+                       sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0);
+
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_check_csd(struct rts51x_chip *chip, char check_wp)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int i;
+       u8 csd_ver, trans_speed;
+       u8 rsp[16];
+
+       for (i = 0; i < 6; i++) {
+               if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) {
+                       sd_set_reset_fail(chip, SD_RESET_FAIL);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               retval =
+                   sd_send_cmd_get_rsp(chip, SEND_CSD, sd_card->sd_addr,
+                                       SD_RSP_TYPE_R2, rsp, 16);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+
+       if (i == 6)
+               TRACE_RET(chip, STATUS_FAIL);
+       memcpy(sd_card->raw_csd, rsp + 1, 15);
+       /* Get CRC7 */
+       RTS51X_READ_REG(chip, SD_CMD5, sd_card->raw_csd + 15);
+
+       RTS51X_DEBUGP("CSD Response:\n");
+       RTS51X_DUMP(rsp, 16);
+
+       /* Get CSD Version */
+       csd_ver = (rsp[1] & 0xc0) >> 6;
+       RTS51X_DEBUGP("csd_ver = %d\n", csd_ver);
+
+       trans_speed = rsp[4];
+       if ((trans_speed & 0x07) == 0x02) {     /* 10Mbits/s */
+               if ((trans_speed & 0xf8) >= 0x30) {     /* >25Mbits/s */
+                       if (chip->asic_code)
+                               sd_card->sd_clock = 46;
+                       else
+                               sd_card->sd_clock = CLK_50;
+               } else if ((trans_speed & 0xf8) == 0x28) { /* 20Mbits/s */
+                       if (chip->asic_code)
+                               sd_card->sd_clock = 39;
+                       else
+                               sd_card->sd_clock = CLK_40;
+               } else if ((trans_speed & 0xf8) == 0x20) { /* 15Mbits/s */
+                       if (chip->asic_code)
+                               sd_card->sd_clock = 29;
+                       else
+                               sd_card->sd_clock = CLK_30;
+               } else if ((trans_speed & 0xf8) >= 0x10) { /* 12Mbits/s */
+                       if (chip->asic_code)
+                               sd_card->sd_clock = 23;
+                       else
+                               sd_card->sd_clock = CLK_20;
+               } else if ((trans_speed & 0x08) >= 0x08) { /* 10Mbits/s */
+                       if (chip->asic_code)
+                               sd_card->sd_clock = 19;
+                       else
+                               sd_card->sd_clock = CLK_20;
+               } /*else { */
+                       /*If this ,then slow card will use 30M clock */
+                       /* TRACE_RET(chip, STATUS_FAIL); */
+               /* } */
+       }
+       /*else {
+          TRACE_RET(chip, STATUS_FAIL);
+          } */
+       if (CHK_MMC_SECTOR_MODE(sd_card)) {
+               sd_card->capacity = 0;
+       } else {
+               /* For High-Capacity Card, CSD_STRUCTURE always be "0x1" */
+               if ((!CHK_SD_HCXC(sd_card)) || (csd_ver == 0)) {
+                       /* Calculate total sector according to C_SIZE,
+                        * C_SIZE_MULT & READ_BL_LEN */
+                       u8 blk_size, c_size_mult;
+                       u16 c_size;
+                       /* Get READ_BL_LEN */
+                       blk_size = rsp[6] & 0x0F;
+                       /* Get C_SIZE */
+                       c_size = ((u16) (rsp[7] & 0x03) << 10)
+                           + ((u16) rsp[8] << 2)
+                           + ((u16) (rsp[9] & 0xC0) >> 6);
+                       /* Get C_SIZE_MUL */
+                       c_size_mult = (u8) ((rsp[10] & 0x03) << 1);
+                       c_size_mult += (rsp[11] & 0x80) >> 7;
+                       /* Calculate total Capacity  */
+                       sd_card->capacity =
+                           (((u32) (c_size + 1)) *
+                            (1 << (c_size_mult + 2))) << (blk_size - 9);
+               } else {
+                       /* High Capacity Card and Use CSD2.0 Version */
+                       u32 total_sector = 0;
+                       total_sector = (((u32) rsp[8] & 0x3f) << 16) |
+                           ((u32) rsp[9] << 8) | (u32) rsp[10];
+                       /* Total Capacity= (C_SIZE+1) *
+                        * 512K Byte = (C_SIZE+1)K Sector,1K = 1024 Bytes */
+                       sd_card->capacity = (total_sector + 1) << 10;
+               }
+       }
+
+       /* We need check Write-Protected Status by Field PERM WP or TEMP WP */
+       if (check_wp) {
+               if (rsp[15] & 0x30)
+                       chip->card_wp |= SD_CARD;
+               RTS51X_DEBUGP("CSD WP Status: 0x%x\n", rsp[15]);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_set_sample_push_timing(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+
+       rts51x_init_cmd(chip);
+
+       if (CHK_SD_SDR104(sd_card) || CHK_SD_SDR50(sd_card)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1,
+                              0x0C | SD_ASYNC_FIFO_RST,
+                              SD_30_MODE | SD_ASYNC_FIFO_RST);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_SOURCE, 0xFF,
+                              CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1);
+       } else if (CHK_SD_DDR50(sd_card) || CHK_MMC_DDR52(sd_card)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1,
+                              0x0C | SD_ASYNC_FIFO_RST,
+                              SD_DDR_MODE | SD_ASYNC_FIFO_RST);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_SOURCE, 0xFF,
+                              CRC_VAR_CLK0 | SD30_FIX_CLK | SAMPLE_VAR_CLK1);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PUSH_POINT_CTL,
+                              DDR_VAR_TX_CMD_DAT, DDR_VAR_TX_CMD_DAT);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_SAMPLE_POINT_CTL,
+                              DDR_VAR_RX_DAT | DDR_VAR_RX_CMD,
+                              DDR_VAR_RX_DAT | DDR_VAR_RX_CMD);
+       } else {
+               u8 val = 0;
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x0C, SD_20_MODE);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_SOURCE, 0xFF,
+                              CRC_FIX_CLK | SD30_VAR_CLK0 | SAMPLE_VAR_CLK1);
+
+               if ((chip->option.sd_ctl & SD_PUSH_POINT_CTL_MASK) ==
+                   SD_PUSH_POINT_AUTO) {
+                       val = SD20_TX_NEG_EDGE;
+               } else if ((chip->option.sd_ctl & SD_PUSH_POINT_CTL_MASK) ==
+                          SD_PUSH_POINT_DELAY) {
+                       val = SD20_TX_14_AHEAD;
+               } else {
+                       val = SD20_TX_NEG_EDGE;
+               }
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PUSH_POINT_CTL,
+                              SD20_TX_SEL_MASK, val);
+
+               if ((chip->option.sd_ctl & SD_SAMPLE_POINT_CTL_MASK) ==
+                   SD_SAMPLE_POINT_AUTO) {
+                       if (chip->asic_code) {
+                               if (CHK_SD_HS(sd_card) || CHK_MMC_52M(sd_card))
+                                       val = SD20_RX_14_DELAY;
+                               else
+                                       val = SD20_RX_POS_EDGE;
+                       } else {
+                               val = SD20_RX_14_DELAY;
+                       }
+               } else if ((chip->option.sd_ctl & SD_SAMPLE_POINT_CTL_MASK) ==
+                          SD_SAMPLE_POINT_DELAY) {
+                       val = SD20_RX_14_DELAY;
+               } else {
+                       val = SD20_RX_POS_EDGE;
+               }
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_SAMPLE_POINT_CTL,
+                              SD20_RX_SEL_MASK, val);
+       }
+
+       if (CHK_MMC_DDR52(sd_card) && CHK_MMC_8BIT(sd_card)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DMA1_CTL,
+                              EXTEND_DMA1_ASYNC_SIGNAL, 0);
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static void sd_choose_proper_clock(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       if (CHK_SD_SDR104(sd_card)) {
+               if (chip->asic_code)
+                       sd_card->sd_clock = chip->option.asic_sd_sdr104_clk;
+               else
+                       sd_card->sd_clock = chip->option.fpga_sd_sdr104_clk;
+       } else if (CHK_SD_DDR50(sd_card)) {
+               if (chip->asic_code)
+                       sd_card->sd_clock = chip->option.asic_sd_ddr50_clk;
+               else
+                       sd_card->sd_clock = chip->option.fpga_sd_ddr50_clk;
+       } else if (CHK_SD_SDR50(sd_card)) {
+               if (chip->asic_code)
+                       sd_card->sd_clock = chip->option.asic_sd_sdr50_clk;
+               else
+                       sd_card->sd_clock = chip->option.fpga_sd_sdr50_clk;
+       } else if (CHK_SD_HS(sd_card)) {
+               if (chip->asic_code)
+                       sd_card->sd_clock = chip->option.asic_sd_hs_clk;
+               else
+                       sd_card->sd_clock = chip->option.fpga_sd_hs_clk;
+       } else if (CHK_MMC_52M(sd_card) || CHK_MMC_DDR52(sd_card)) {
+               if (chip->asic_code)
+                       sd_card->sd_clock = chip->option.asic_mmc_52m_clk;
+               else
+                       sd_card->sd_clock = chip->option.fpga_mmc_52m_clk;
+       } else if (CHK_MMC_26M(sd_card)) {
+               if (chip->asic_code) {
+                       sd_card->sd_clock = 46;
+                       RTS51X_DEBUGP("Set MMC clock to 22.5MHz\n");
+               } else {
+                       sd_card->sd_clock = CLK_50;
+               }
+       }
+}
+
+static int sd_set_init_para(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+
+       retval = sd_set_sample_push_timing(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       sd_choose_proper_clock(chip);
+
+       retval = switch_clock(chip, sd_card->sd_clock);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int sd_select_card(struct rts51x_chip *chip, int select)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 cmd_idx, cmd_type;
+       u32 addr;
+
+       if (select) {
+               cmd_idx = SELECT_CARD;
+               cmd_type = SD_RSP_TYPE_R1;
+               addr = sd_card->sd_addr;
+       } else {
+               cmd_idx = DESELECT_CARD;
+               cmd_type = SD_RSP_TYPE_R0;
+               addr = 0;
+       }
+
+       retval = sd_send_cmd_get_rsp(chip, cmd_idx, addr, cmd_type, NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+#ifdef SUPPORT_SD_LOCK
+int sd_update_lock_status(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 rsp[5];
+
+       retval =
+           sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                               SD_RSP_TYPE_R1, rsp, 5);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (rsp[1] & 0x02)
+               sd_card->sd_lock_status |= SD_LOCKED;
+       else
+               sd_card->sd_lock_status &= ~SD_LOCKED;
+
+       RTS51X_DEBUGP("sd_card->sd_lock_status = 0x%x\n",
+                      sd_card->sd_lock_status);
+
+       if (rsp[1] & 0x01) {
+               /* LOCK_UNLOCK_FAILED */
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+#endif
+
+int sd_wait_currentstate_dataready(struct rts51x_chip *chip, u8 statechk,
+                                  u8 rdychk, u16 pollingcnt)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 rsp[5];
+       u16 i;
+
+       for (i = 0; i < pollingcnt; i++) {
+
+               retval =
+                   sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                       SD_RSP_TYPE_R1, rsp, 5);
+               if (retval == STATUS_SUCCESS) {
+                       if (((rsp[3] & 0x1E) == statechk)
+                           && ((rsp[3] & 0x01) == rdychk)) {
+                               return STATUS_SUCCESS;
+                       }
+               } else {
+                       rts51x_clear_sd_error(chip);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       return STATUS_TIMEDOUT;
+}
+
+static int sd_voltage_switch(struct rts51x_chip *chip)
+{
+       int retval;
+       u8 stat;
+
+       RTS51X_WRITE_REG(chip, SD_BUS_STAT,
+                        SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP,
+                        SD_CLK_TOGGLE_EN);
+
+       retval =
+           sd_send_cmd_get_rsp(chip, VOLTAGE_SWITCH, 0, SD_RSP_TYPE_R1, NULL,
+                               0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_READ_REG(chip, SD_BUS_STAT, &stat);
+       if (stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
+                   SD_DAT1_STATUS | SD_DAT0_STATUS))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       rts51x_init_cmd(chip);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BUS_STAT, 0xFF,
+                      SD_CLK_FORCE_STOP);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PAD_CTL, SD_IO_USING_1V8,
+                      SD_IO_USING_1V8);
+       if (chip->asic_code)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, LDO_POWER_CFG,
+                              TUNE_SD18_MASK, TUNE_SD18_1V8);
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       wait_timeout(chip->option.D3318_off_delay);
+
+       RTS51X_WRITE_REG(chip, SD_BUS_STAT, 0xFF, SD_CLK_TOGGLE_EN);
+       wait_timeout(10);
+
+       RTS51X_READ_REG(chip, SD_BUS_STAT, &stat);
+       if ((stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
+                    SD_DAT1_STATUS | SD_DAT0_STATUS)) !=
+           (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
+            SD_DAT1_STATUS | SD_DAT0_STATUS)) {
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BUS_STAT, 0xFF,
+                              SD_CLK_FORCE_STOP);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, 0xFF, 0);
+               rts51x_send_cmd(chip, MODE_C, 100);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       RTS51X_WRITE_REG(chip, SD_BUS_STAT,
+                        SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_change_phase(struct rts51x_chip *chip, u8 sample_point,
+                          u8 tune_dir)
+{
+       u16 SD_VP_CTL, SD_DCMPS_CTL;
+       u8 val;
+       int retval;
+
+       RTS51X_DEBUGP("sd_change_phase (sample_point = %d, tune_dir = %d)\n",
+                      sample_point, tune_dir);
+
+       if (tune_dir == TUNE_RX) {
+               SD_VP_CTL = SD_VPCLK1_CTL;
+               SD_DCMPS_CTL = SD_DCMPS1_CTL;
+       } else {
+               SD_VP_CTL = SD_VPCLK0_CTL;
+               SD_DCMPS_CTL = SD_DCMPS0_CTL;
+       }
+
+       if (chip->asic_code) {
+               RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, CLK_CHANGE);
+               RTS51X_WRITE_REG(chip, SD_VP_CTL, 0x1F, sample_point);
+               RTS51X_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET, 0);
+               RTS51X_WRITE_REG(chip, SD_VPCLK0_CTL, PHASE_NOT_RESET,
+                                PHASE_NOT_RESET);
+               RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, 0);
+       } else {
+#ifdef CONFIG_RTS5139_DEBUG
+               RTS51X_READ_REG(chip, SD_VP_CTL, &val);
+               RTS51X_DEBUGP("SD_VP_CTL: 0x%x\n", val);
+               RTS51X_READ_REG(chip, SD_DCMPS_CTL, &val);
+               RTS51X_DEBUGP("SD_DCMPS_CTL: 0x%x\n", val);
+#endif
+
+               RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, CLK_CHANGE);
+               udelay(100);
+               RTS51X_WRITE_REG(chip, SD_VP_CTL, 0xFF,
+                                PHASE_NOT_RESET | sample_point);
+               udelay(200);
+
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_DCMPS_CTL, DCMPS_CHANGE,
+                              DCMPS_CHANGE);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, SD_DCMPS_CTL,
+                              DCMPS_CHANGE_DONE, DCMPS_CHANGE_DONE);
+               retval = rts51x_send_cmd(chip, MODE_CR, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, Fail);
+
+               retval = rts51x_get_rsp(chip, 1, 500);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, Fail);
+
+               val = chip->rsp_buf[0];
+               if (val & DCMPS_ERROR)
+                       TRACE_GOTO(chip, Fail);
+               if ((val & DCMPS_CURRENT_PHASE) != sample_point)
+                       TRACE_GOTO(chip, Fail);
+               RTS51X_WRITE_REG(chip, SD_DCMPS_CTL, DCMPS_CHANGE, 0);
+               RTS51X_WRITE_REG(chip, CLK_DIV, CLK_CHANGE, 0);
+               udelay(100);
+       }
+
+       RTS51X_WRITE_REG(chip, SD_CFG1, SD_ASYNC_FIFO_RST, 0);
+
+       return STATUS_SUCCESS;
+
+Fail:
+#ifdef CONFIG_RTS5139_DEBUG
+       rts51x_ep0_read_register(chip, SD_VP_CTL, &val);
+       RTS51X_DEBUGP("SD_VP_CTL: 0x%x\n", val);
+       rts51x_ep0_read_register(chip, SD_DCMPS_CTL, &val);
+       RTS51X_DEBUGP("SD_DCMPS_CTL: 0x%x\n", val);
+#endif
+
+       RTS51X_WRITE_REG(chip, SD_DCMPS_CTL, DCMPS_CHANGE, 0);
+       RTS51X_WRITE_REG(chip, SD_VP_CTL, PHASE_CHANGE, 0);
+       wait_timeout(10);
+
+       return STATUS_FAIL;
+}
+
+static int sd_check_spec(struct rts51x_chip *chip, u8 bus_width)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 cmd[5], buf[8];
+
+       retval =
+           sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, SD_RSP_TYPE_R1,
+                               NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       cmd[0] = 0x40 | SEND_SCR;
+       cmd[1] = 0;
+       cmd[2] = 0;
+       cmd[3] = 0;
+       cmd[4] = 0;
+
+       retval =
+           sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 8, 1, bus_width, buf,
+                        8, 250);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_sd_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       memcpy(sd_card->raw_scr, buf, 8);
+
+       if ((buf[0] & 0x0F) == 0)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_query_switch_result(struct rts51x_chip *chip, u8 func_group,
+                                 u8 func_to_switch, u8 *buf, int buf_len)
+{
+       u8 support_mask = 0, query_switch = 0, switch_busy = 0;
+       int support_offset = 0, query_switch_offset = 0, check_busy_offset = 0;
+
+       if (func_group == SD_FUNC_GROUP_1) {
+               support_offset = FUNCTION_GROUP1_SUPPORT_OFFSET;
+               query_switch_offset = FUNCTION_GROUP1_QUERY_SWITCH_OFFSET;
+               check_busy_offset = FUNCTION_GROUP1_CHECK_BUSY_OFFSET;
+
+               switch (func_to_switch) {
+               case HS_SUPPORT:
+                       support_mask = HS_SUPPORT_MASK;
+                       query_switch = HS_QUERY_SWITCH_OK;
+                       switch_busy = HS_SWITCH_BUSY;
+                       break;
+
+               case SDR50_SUPPORT:
+                       support_mask = SDR50_SUPPORT_MASK;
+                       query_switch = SDR50_QUERY_SWITCH_OK;
+                       switch_busy = SDR50_SWITCH_BUSY;
+                       break;
+
+               case SDR104_SUPPORT:
+                       support_mask = SDR104_SUPPORT_MASK;
+                       query_switch = SDR104_QUERY_SWITCH_OK;
+                       switch_busy = SDR104_SWITCH_BUSY;
+                       break;
+
+               case DDR50_SUPPORT:
+                       support_mask = DDR50_SUPPORT_MASK;
+                       query_switch = DDR50_QUERY_SWITCH_OK;
+                       switch_busy = DDR50_SWITCH_BUSY;
+                       break;
+
+               default:
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       } else if (func_group == SD_FUNC_GROUP_3) {
+               support_offset = FUNCTION_GROUP3_SUPPORT_OFFSET;
+               query_switch_offset = FUNCTION_GROUP3_QUERY_SWITCH_OFFSET;
+               check_busy_offset = FUNCTION_GROUP3_CHECK_BUSY_OFFSET;
+
+               switch (func_to_switch) {
+               case DRIVING_TYPE_A:
+                       support_mask = DRIVING_TYPE_A_MASK;
+                       query_switch = TYPE_A_QUERY_SWITCH_OK;
+                       switch_busy = TYPE_A_SWITCH_BUSY;
+                       break;
+
+               case DRIVING_TYPE_C:
+                       support_mask = DRIVING_TYPE_C_MASK;
+                       query_switch = TYPE_C_QUERY_SWITCH_OK;
+                       switch_busy = TYPE_C_SWITCH_BUSY;
+                       break;
+
+               case DRIVING_TYPE_D:
+                       support_mask = DRIVING_TYPE_D_MASK;
+                       query_switch = TYPE_D_QUERY_SWITCH_OK;
+                       switch_busy = TYPE_D_SWITCH_BUSY;
+                       break;
+
+               default:
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       } else if (func_group == SD_FUNC_GROUP_4) {
+               support_offset = FUNCTION_GROUP4_SUPPORT_OFFSET;
+               query_switch_offset = FUNCTION_GROUP4_QUERY_SWITCH_OFFSET;
+               check_busy_offset = FUNCTION_GROUP4_CHECK_BUSY_OFFSET;
+
+               switch (func_to_switch) {
+               case CURRENT_LIMIT_400:
+                       support_mask = CURRENT_LIMIT_400_MASK;
+                       query_switch = CURRENT_LIMIT_400_QUERY_SWITCH_OK;
+                       switch_busy = CURRENT_LIMIT_400_SWITCH_BUSY;
+                       break;
+
+               case CURRENT_LIMIT_600:
+                       support_mask = CURRENT_LIMIT_600_MASK;
+                       query_switch = CURRENT_LIMIT_600_QUERY_SWITCH_OK;
+                       switch_busy = CURRENT_LIMIT_600_SWITCH_BUSY;
+                       break;
+
+               case CURRENT_LIMIT_800:
+                       support_mask = CURRENT_LIMIT_800_MASK;
+                       query_switch = CURRENT_LIMIT_800_QUERY_SWITCH_OK;
+                       switch_busy = CURRENT_LIMIT_800_SWITCH_BUSY;
+                       break;
+
+               default:
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       } else {
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (func_group == SD_FUNC_GROUP_4)
+               buf[query_switch_offset] =
+                   (buf[query_switch_offset] & 0xf0) >> 4;
+       if (!(buf[support_offset] & support_mask) ||
+           ((buf[query_switch_offset] & 0x0F) != query_switch))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if ((buf[DATA_STRUCTURE_VER_OFFSET] == 0x01) &&
+           ((buf[check_busy_offset] & switch_busy) == switch_busy))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_check_switch_mode(struct rts51x_chip *chip, u8 mode,
+                               u8 func_group, u8 func_to_switch, u8 bus_width)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 cmd[5], buf[64];
+
+       RTS51X_DEBUGP("sd_check_switch_mode (mode = %d, func_group = %d,"
+               "func_to_switch = %d)\n", mode, func_group, func_to_switch);
+
+       cmd[0] = 0x40 | SWITCH;
+       cmd[1] = mode;
+
+       if (func_group == SD_FUNC_GROUP_1) {
+               cmd[2] = 0xFF;
+               cmd[3] = 0xFF;
+               cmd[4] = 0xF0 + func_to_switch;
+       } else if (func_group == SD_FUNC_GROUP_3) {
+               cmd[2] = 0xFF;
+               cmd[3] = 0xF0 + func_to_switch;
+               cmd[4] = 0xFF;
+       } else if (func_group == SD_FUNC_GROUP_4) {
+               cmd[2] = 0xFF;
+               cmd[3] = 0x0F + (func_to_switch << 4);
+               cmd[4] = 0xFF;
+       } else {
+               cmd[1] = SD_CHECK_MODE;
+               cmd[2] = 0xFF;
+               cmd[3] = 0xFF;
+               cmd[4] = 0xFF;
+       }
+
+       retval =
+           sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1, bus_width, buf,
+                        64, 250);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_sd_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       if (func_group == NO_ARGUMENT) {
+               sd_card->func_group1_mask = buf[0x0D];
+               sd_card->func_group2_mask = buf[0x0B];
+               sd_card->func_group3_mask = buf[0x09];
+               sd_card->func_group4_mask = buf[0x07];
+
+               RTS51X_DEBUGP("func_group1_mask = 0x%02x\n", buf[0x0D]);
+               RTS51X_DEBUGP("func_group2_mask = 0x%02x\n", buf[0x0B]);
+               RTS51X_DEBUGP("func_group3_mask = 0x%02x\n", buf[0x09]);
+               RTS51X_DEBUGP("func_group4_mask = 0x%02x\n", buf[0x07]);
+       } else {
+               if ((buf[0] == 0) && (buf[1] == 0))
+                       TRACE_RET(chip, STATUS_FAIL);
+               retval =
+                   sd_query_switch_result(chip, func_group, func_to_switch,
+                                          buf, 64);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_check_switch(struct rts51x_chip *chip,
+                          u8 func_group, u8 func_to_switch, u8 bus_width)
+{
+       int retval;
+       int i;
+       int switch_good = 0;
+
+       for (i = 0; i < 3; i++) {
+               if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) {
+                       sd_set_reset_fail(chip, SD_RESET_FAIL);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               retval = sd_check_switch_mode(chip, SD_CHECK_MODE, func_group,
+                                             func_to_switch, bus_width);
+               if (retval == STATUS_SUCCESS) {
+                       u8 stat;
+
+                       retval = sd_check_switch_mode(chip, SD_SWITCH_MODE,
+                                       func_group, func_to_switch, bus_width);
+                       if (retval == STATUS_SUCCESS) {
+                               switch_good = 1;
+                               break;
+                       }
+
+                       RTS51X_READ_REG(chip, SD_STAT1, &stat);
+
+                       if (stat & SD_CRC16_ERR) {
+                               RTS51X_DEBUGP("SD CRC16 error when switching"
+                                                       "mode\n");
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               wait_timeout(20);
+       }
+
+       if (!switch_good)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_switch_function(struct rts51x_chip *chip, u8 bus_width)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int i;
+       u8 func_to_switch = 0;
+
+       /* Get supported functions */
+       retval = sd_check_switch_mode(chip, SD_CHECK_MODE,
+                                     NO_ARGUMENT, NO_ARGUMENT, bus_width);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       sd_card->func_group1_mask &= ~(sd_card->sd_switch_fail);
+
+       for (i = 0; i < 4; i++) {
+               switch ((u8) (chip->option.sd_speed_prior >> (i * 8))) {
+               case DDR50_SUPPORT:
+                       if ((sd_card->func_group1_mask & DDR50_SUPPORT_MASK)
+                           && (CHECK_UHS50(chip)))
+                               func_to_switch = DDR50_SUPPORT;
+                       break;
+
+               case SDR50_SUPPORT:
+                       if ((sd_card->func_group1_mask & SDR50_SUPPORT_MASK)
+                           && (CHECK_UHS50(chip)))
+                               func_to_switch = SDR50_SUPPORT;
+                       break;
+
+               case HS_SUPPORT:
+                       if (sd_card->func_group1_mask & HS_SUPPORT_MASK)
+                               func_to_switch = HS_SUPPORT;
+                       break;
+
+               default:
+                       continue;
+               }
+
+               if (func_to_switch)
+                       break;
+       }
+       RTS51X_DEBUGP("SD_FUNC_GROUP_1: func_to_switch = 0x%02x",
+                      func_to_switch);
+
+#ifdef SUPPORT_SD_LOCK
+       if ((sd_card->sd_lock_status & SD_SDR_RST)
+           && (DDR50_SUPPORT == func_to_switch)
+           && (sd_card->func_group1_mask & SDR50_SUPPORT_MASK)) {
+               func_to_switch = SDR50_SUPPORT;
+               RTS51X_DEBUGP("Using SDR50 instead of DDR50 for SD Lock\n");
+       }
+#endif
+
+       if (func_to_switch) {
+               retval =
+                   sd_check_switch(chip, SD_FUNC_GROUP_1, func_to_switch,
+                                   bus_width);
+               if (retval != STATUS_SUCCESS) {
+                       if (func_to_switch == SDR104_SUPPORT)
+                               sd_card->sd_switch_fail = SDR104_SUPPORT_MASK;
+                       else if (func_to_switch == DDR50_SUPPORT)
+                               sd_card->sd_switch_fail = DDR50_SUPPORT_MASK;
+                       else if (func_to_switch == SDR50_SUPPORT)
+                               sd_card->sd_switch_fail = SDR50_SUPPORT_MASK;
+                       else if (func_to_switch == HS_SUPPORT)
+                               sd_card->sd_switch_fail = HS_SUPPORT_MASK;
+
+                       TRACE_RET(chip, retval);
+               }
+
+               if (func_to_switch == SDR104_SUPPORT)
+                       SET_SD_SDR104(sd_card);
+               else if (func_to_switch == DDR50_SUPPORT)
+                       SET_SD_DDR50(sd_card);
+               else if (func_to_switch == SDR50_SUPPORT)
+                       SET_SD_SDR50(sd_card);
+               else
+                       SET_SD_HS(sd_card);
+       }
+
+       if (CHK_SD_DDR50(sd_card))
+               RTS51X_WRITE_REG(chip, SD_CFG1, 0x0C, SD_DDR_MODE);
+
+       func_to_switch = 0;
+       if (sd_card->func_group4_mask & CURRENT_LIMIT_400_MASK)
+               func_to_switch = CURRENT_LIMIT_400;
+
+       if (func_to_switch) {
+               RTS51X_DEBUGP("Try to switch current_limit_400\n");
+               retval =
+                   sd_check_switch(chip, SD_FUNC_GROUP_4, func_to_switch,
+                                   bus_width);
+               RTS51X_DEBUGP("Switch current_limit_400 status: (%d)\n",
+                              retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_wait_data_idle(struct rts51x_chip *chip)
+{
+       int retval = STATUS_TIMEDOUT;
+       int i;
+       u8 val = 0;
+
+       for (i = 0; i < 100; i++) {
+               retval = rts51x_ep0_read_register(chip, SD_DATA_STATE, &val);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, STATUS_FAIL);
+               if (val & SD_DATA_IDLE) {
+                       retval = STATUS_SUCCESS;
+                       break;
+               }
+               udelay(100);
+       }
+       RTS51X_DEBUGP("SD_DATA_STATE: 0x%02x\n", val);
+
+       return retval;
+}
+
+static int sd_sdr_tuning_rx_cmd(struct rts51x_chip *chip, u8 sample_point)
+{
+       int retval;
+       u8 cmd[5];
+
+       retval = sd_change_phase(chip, sample_point, TUNE_RX);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       cmd[0] = 0x40 | SEND_TUNING_PATTERN;
+       cmd[1] = 0;
+       cmd[2] = 0;
+       cmd[3] = 0;
+       cmd[4] = 0;
+
+       retval = sd_read_data(chip, SD_TM_AUTO_TUNING,
+                             cmd, 5, 0x40, 1, SD_BUS_WIDTH_4, NULL, 0, 100);
+       if (retval != STATUS_SUCCESS) {
+               /* Wait till SD DATA IDLE */
+               (void)sd_wait_data_idle(chip);
+
+               rts51x_clear_sd_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_ddr_tuning_rx_cmd(struct rts51x_chip *chip, u8 sample_point)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 cmd[5];
+
+       retval = sd_change_phase(chip, sample_point, TUNE_RX);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_DEBUGP("sd ddr tuning rx\n");
+
+       retval =
+           sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, SD_RSP_TYPE_R1,
+                               NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       cmd[0] = 0x40 | SD_STATUS;
+       cmd[1] = 0;
+       cmd[2] = 0;
+       cmd[3] = 0;
+       cmd[4] = 0;
+
+       retval = sd_read_data(chip, SD_TM_NORMAL_READ,
+                             cmd, 5, 64, 1, SD_BUS_WIDTH_4, NULL, 0, 100);
+       if (retval != STATUS_SUCCESS) {
+               /* Wait till SD DATA IDLE */
+               (void)sd_wait_data_idle(chip);
+
+               rts51x_clear_sd_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int mmc_ddr_tunning_rx_cmd(struct rts51x_chip *chip, u8 sample_point)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 cmd[5], bus_width;
+
+       if (CHK_MMC_8BIT(sd_card))
+               bus_width = SD_BUS_WIDTH_8;
+       else if (CHK_MMC_4BIT(sd_card))
+               bus_width = SD_BUS_WIDTH_4;
+       else
+               bus_width = SD_BUS_WIDTH_1;
+
+       retval = sd_change_phase(chip, sample_point, TUNE_RX);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_DEBUGP("mmc ddr tuning rx\n");
+
+       cmd[0] = 0x40 | SEND_EXT_CSD;
+       cmd[1] = 0;
+       cmd[2] = 0;
+       cmd[3] = 0;
+       cmd[4] = 0;
+
+       retval = sd_read_data(chip, SD_TM_NORMAL_READ,
+                             cmd, 5, 0x200, 1, bus_width, NULL, 0, 100);
+       if (retval != STATUS_SUCCESS) {
+               /* Wait till SD DATA IDLE */
+               (void)sd_wait_data_idle(chip);
+
+               rts51x_clear_sd_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_sdr_tuning_tx_cmd(struct rts51x_chip *chip, u8 sample_point)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+
+       retval = sd_change_phase(chip, sample_point, TUNE_TX);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
+                        SD_RSP_80CLK_TIMEOUT_EN);
+
+       retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                    SD_RSP_TYPE_R1, NULL, 0);
+       if (retval != STATUS_SUCCESS) {
+               if (sd_check_err_code(chip, SD_RSP_TIMEOUT)) {
+                       /* Tunning TX fail */
+                       rts51x_ep0_write_register(chip, SD_CFG3,
+                                                 SD_RSP_80CLK_TIMEOUT_EN, 0);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_ddr_tuning_tx_cmd(struct rts51x_chip *chip, u8 sample_point)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 cmd[5], bus_width;
+
+       retval = sd_change_phase(chip, sample_point, TUNE_TX);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (CHK_SD(sd_card)) {
+               bus_width = SD_BUS_WIDTH_4;
+       } else {
+               if (CHK_MMC_8BIT(sd_card))
+                       bus_width = SD_BUS_WIDTH_8;
+               else if (CHK_MMC_4BIT(sd_card))
+                       bus_width = SD_BUS_WIDTH_4;
+               else
+                       bus_width = SD_BUS_WIDTH_1;
+       }
+       retval = sd_wait_currentstate_dataready(chip, 0x08, 1, 20);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
+                        SD_RSP_80CLK_TIMEOUT_EN);
+
+       cmd[0] = 0x40 | PROGRAM_CSD;
+       cmd[1] = 0;
+       cmd[2] = 0;
+       cmd[3] = 0;
+       cmd[4] = 0;
+
+       retval = sd_write_data(chip, SD_TM_AUTO_WRITE_2,
+                       cmd, 5, 16, 1, bus_width, sd_card->raw_csd, 16, 100);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_sd_error(chip);
+               /* Tunning TX fail */
+               rts51x_ep0_write_register(chip, SD_CFG3,
+                                         SD_RSP_80CLK_TIMEOUT_EN, 0);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0);
+
+       sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, SD_RSP_TYPE_R1,
+                           NULL, 0);
+
+       return STATUS_SUCCESS;
+}
+
+static u8 sd_search_final_phase(struct rts51x_chip *chip, u32 phase_map,
+                               u8 tune_dir)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       struct timing_phase_path path[MAX_PHASE + 1];
+       int i, j, cont_path_cnt;
+       int new_block, max_len;
+       u8 final_phase = 0xFF;
+       int final_path_idx;
+
+       if (phase_map == 0xffff) {
+               if (CHK_SD_DDR50(sd_card)) {
+                       if (tune_dir == TUNE_TX)
+                               final_phase = chip->option.ddr50_tx_phase;
+                       else
+                               final_phase = chip->option.ddr50_rx_phase;
+                       RTS51X_DEBUGP("DDR50 tuning dir:%d all pass,"
+                                       "so select default phase:0x%x.\n",
+                                       tune_dir, final_phase);
+               } else {
+                       if (tune_dir == TUNE_TX)
+                               final_phase = chip->option.sdr50_tx_phase;
+                       else
+                               final_phase = chip->option.sdr50_rx_phase;
+                       RTS51X_DEBUGP("SDR50 tuning dir:%d all pass,"
+                                       "so select default phase:0x%x.\n",
+                                       tune_dir, final_phase);
+               }
+               goto Search_Finish;
+       }
+
+       cont_path_cnt = 0;
+       new_block = 1;
+       j = 0;
+       for (i = 0; i < MAX_PHASE + 1; i++) {
+               if (phase_map & (1 << i)) {
+                       if (new_block) {
+                               new_block = 0;
+                               j = cont_path_cnt++;
+                               path[j].start = i;
+                               path[j].end = i;
+                       } else {
+                               path[j].end = i;
+                       }
+               } else {
+                       new_block = 1;
+                       if (cont_path_cnt) {
+                               int idx = cont_path_cnt - 1;
+                               path[idx].len =
+                                   path[idx].end - path[idx].start + 1;
+                               path[idx].mid =
+                                   path[idx].start + path[idx].len / 2;
+                       }
+               }
+       }
+
+       if (cont_path_cnt == 0) {
+               RTS51X_DEBUGP("No continuous phase path\n");
+               goto Search_Finish;
+       } else {
+               int idx = cont_path_cnt - 1;
+               path[idx].len = path[idx].end - path[idx].start + 1;
+               path[idx].mid = path[idx].start + path[idx].len / 2;
+       }
+
+       if ((path[0].start == 0) &&
+                       (path[cont_path_cnt - 1].end == MAX_PHASE)) {
+               path[0].start = path[cont_path_cnt - 1].start - MAX_PHASE - 1;
+               path[0].len += path[cont_path_cnt - 1].len;
+               path[0].mid = path[0].start + path[0].len / 2;
+               if (path[0].mid < 0)
+                       path[0].mid += MAX_PHASE + 1;
+               cont_path_cnt--;
+       }
+       max_len = 0;
+       final_phase = 0;
+       final_path_idx = 0;
+       for (i = 0; i < cont_path_cnt; i++) {
+               if (path[i].len > max_len) {
+                       max_len = path[i].len;
+                       final_phase = (u8) path[i].mid;
+                       final_path_idx = i;
+               }
+
+               RTS51X_DEBUGP("path[%d].start = %d\n", i, path[i].start);
+               RTS51X_DEBUGP("path[%d].end = %d\n", i, path[i].end);
+               RTS51X_DEBUGP("path[%d].len = %d\n", i, path[i].len);
+               RTS51X_DEBUGP("path[%d].mid = %d\n", i, path[i].mid);
+               RTS51X_DEBUGP("\n");
+       }
+
+       if ((tune_dir == TUNE_TX) && (CHK_SD_SDR50(sd_card))
+           && chip->option.sdr50_phase_sel) {
+               if (max_len > 6) {
+                       int temp_mid = (max_len - 6) / 2;
+                       int temp_final_phase =
+                           path[final_path_idx].end - (max_len -
+                                                       (3 + temp_mid));
+
+                       if (temp_final_phase < 0)
+                               final_phase = temp_final_phase + MAX_PHASE + 1;
+                       else
+                               final_phase = (u8) temp_final_phase;
+               }
+       }
+
+Search_Finish:
+       RTS51X_DEBUGP("Final choosen phase: %d\n", final_phase);
+       return final_phase;
+}
+
+static int sd_tuning_rx(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int i, j;
+       u32 raw_phase_map[3], phase_map;
+       u8 final_phase;
+       int (*tuning_cmd) (struct rts51x_chip *chip, u8 sample_point);
+
+       if (CHK_SD(sd_card)) {
+               if (CHK_SD_DDR50(sd_card))
+                       tuning_cmd = sd_ddr_tuning_rx_cmd;
+               else
+                       tuning_cmd = sd_sdr_tuning_rx_cmd;
+       } else {
+               if (CHK_MMC_DDR52(sd_card))
+                       tuning_cmd = mmc_ddr_tunning_rx_cmd;
+               else
+                       TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       for (i = 0; i < 3; i++) {
+               raw_phase_map[i] = 0;
+               for (j = MAX_PHASE; j >= 0; j--) {
+                       if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) {
+                               sd_set_reset_fail(chip, SD_RESET_FAIL);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       retval = tuning_cmd(chip, (u8) j);
+                       if (retval == STATUS_SUCCESS)
+                               raw_phase_map[i] |= 1 << j;
+                       else
+                               RTS51X_DEBUGP("Tuning phase %d fail\n", j);
+               }
+       }
+
+       phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2];
+       for (i = 0; i < 3; i++)
+               RTS51X_DEBUGP("RX raw_phase_map[%d] = 0x%04x\n", i,
+                              raw_phase_map[i]);
+       RTS51X_DEBUGP("RX phase_map = 0x%04x\n", phase_map);
+
+       final_phase = sd_search_final_phase(chip, phase_map, TUNE_RX);
+       if (final_phase == 0xFF)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       retval = tuning_cmd(chip, final_phase);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_ddr_pre_tuning_tx(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 i;
+       u8 pre_tune_tx_phase;
+       u32 pre_tune_phase_map;
+
+       RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
+                        SD_RSP_80CLK_TIMEOUT_EN);
+
+       pre_tune_tx_phase = 0xFF;
+       pre_tune_phase_map = 0x0000;
+       for (i = 0; i < MAX_PHASE + 1; i++) {
+               if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) {
+                       sd_set_reset_fail(chip, SD_RESET_FAIL);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               retval = sd_change_phase(chip, (u8) i, TUNE_TX);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval =
+                   sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                       SD_RSP_TYPE_R1, NULL, 0);
+               if ((retval == STATUS_SUCCESS)
+                   || !sd_check_err_code(chip, SD_RSP_TIMEOUT))
+                       pre_tune_phase_map |= (u32) 1 << i;
+       }
+
+       RTS51X_WRITE_REG(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0);
+
+       pre_tune_tx_phase =
+           sd_search_final_phase(chip, pre_tune_phase_map, TUNE_TX);
+       if (pre_tune_tx_phase == 0xFF)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       sd_change_phase(chip, pre_tune_tx_phase, TUNE_TX);
+       RTS51X_DEBUGP("DDR TX pre tune phase: %d\n", (int)pre_tune_tx_phase);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_tuning_tx(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int i, j;
+       u32 raw_phase_map[3], phase_map;
+       u8 final_phase;
+       int (*tuning_cmd) (struct rts51x_chip *chip, u8 sample_point);
+
+       if (CHK_SD(sd_card)) {
+               if (CHK_SD_DDR50(sd_card))
+                       tuning_cmd = sd_ddr_tuning_tx_cmd;
+               else
+                       tuning_cmd = sd_sdr_tuning_tx_cmd;
+       } else {
+               if (CHK_MMC_DDR52(sd_card))
+                       tuning_cmd = sd_ddr_tuning_tx_cmd;
+               else
+                       TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       for (i = 0; i < 3; i++) {
+               raw_phase_map[i] = 0;
+               for (j = MAX_PHASE; j >= 0; j--) {
+                       if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) {
+                               sd_set_reset_fail(chip, SD_RESET_FAIL);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       retval = tuning_cmd(chip, (u8) j);
+                       if (retval == STATUS_SUCCESS)
+                               raw_phase_map[i] |= 1 << j;
+                       else
+                               RTS51X_DEBUGP("Tuning phase %d fail\n", j);
+               }
+       }
+
+       phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2];
+       for (i = 0; i < 3; i++)
+               RTS51X_DEBUGP("TX raw_phase_map[%d] = 0x%04x\n", i,
+                              raw_phase_map[i]);
+       RTS51X_DEBUGP("TX phase_map = 0x%04x\n", phase_map);
+
+       final_phase = sd_search_final_phase(chip, phase_map, TUNE_TX);
+       if (final_phase == 0xFF)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       retval = tuning_cmd(chip, final_phase);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_sdr_tuning(struct rts51x_chip *chip)
+{
+       int retval;
+
+       retval = sd_tuning_tx(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = sd_tuning_rx(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_ddr_tuning(struct rts51x_chip *chip)
+{
+       int retval;
+
+       if (!(chip->option.sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) {
+               retval = sd_ddr_pre_tuning_tx(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       } else {
+               retval =
+                   sd_change_phase(chip, (u8) chip->option.sd_ddr_tx_phase,
+                                   TUNE_TX);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       retval = sd_tuning_rx(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (!(chip->option.sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) {
+               retval = sd_tuning_tx(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int mmc_ddr_tuning(struct rts51x_chip *chip)
+{
+       int retval;
+
+       if (!(chip->option.sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) {
+               retval = sd_ddr_pre_tuning_tx(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       } else {
+               retval =
+                   sd_change_phase(chip, (u8) chip->option.mmc_ddr_tx_phase,
+                                   TUNE_TX);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       retval = sd_tuning_rx(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (!(chip->option.sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) {
+               retval = sd_tuning_tx(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+int sd_switch_clock(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int re_tuning = 0;
+
+       retval = rts51x_select_card(chip, SD_CARD);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (CHK_SD30_SPEED(sd_card) || CHK_MMC_DDR52(sd_card)) {
+               if (sd_card->sd_clock != chip->cur_clk)
+                       re_tuning = 1;
+       }
+
+       retval = switch_clock(chip, sd_card->sd_clock);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (re_tuning) {
+               if (CHK_SD(sd_card)) {
+                       if (CHK_SD_DDR50(sd_card))
+                               retval = sd_ddr_tuning(chip);
+                       else
+                               retval = sd_sdr_tuning(chip);
+               } else {
+                       if (CHK_MMC_DDR52(sd_card))
+                               retval = mmc_ddr_tuning(chip);
+               }
+
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_prepare_reset(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+
+       if (chip->asic_code)
+               sd_card->sd_clock = 29;
+       else
+               sd_card->sd_clock = CLK_30;
+
+       /* Set SD Clocks */
+       retval = sd_set_init_para(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0xFF,
+                      SD_CLK_DIVIDE_128 | SD_20_MODE | SD_BUS_WIDTH_1);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_SAMPLE_POINT_CTL, 0xFF,
+                      SD20_RX_POS_EDGE);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PUSH_POINT_CTL, 0xFF, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_select_card(chip, SD_CARD);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static void sd_pull_ctl_disable(struct rts51x_chip *chip)
+{
+       if (CHECK_PKG(chip, LQFP48)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x56);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
+       }
+}
+
+static void sd_pull_ctl_enable(struct rts51x_chip *chip)
+{
+       if (CHECK_PKG(chip, LQFP48)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xAA);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0xAA);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0xA9);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xA5);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x9A);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0xA5);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x9A);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x65);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x5A);
+       }
+}
+
+static int sd_init_power(struct rts51x_chip *chip)
+{
+       int retval;
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, LDO3318_PWR_MASK,
+                      LDO_ON);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_PAD_CTL, SD_IO_USING_1V8,
+                      SD_IO_USING_3V3);
+       if (chip->asic_code)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, LDO_POWER_CFG,
+                              TUNE_SD18_MASK, TUNE_SD18_3V3);
+       if (chip->asic_code)
+               sd_pull_ctl_disable(chip);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL,
+                              FPGA_SD_PULL_CTL_BIT | 0x20,
+                              FPGA_SD_PULL_CTL_BIT);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, SD_OUTPUT_EN, 0);
+       if (!chip->option.FT2_fast_mode)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       if (!chip->option.FT2_fast_mode) {
+#ifdef SD_XD_IO_FOLLOW_PWR
+               if (CHECK_PKG(chip, LQFP48)
+                   || chip->option.rts5129_D3318_off_enable)
+                       rts51x_write_register(chip, CARD_PWR_CTL,
+                                       LDO_OFF, LDO_OFF);
+#endif
+               wait_timeout(250);
+
+#ifdef SD_XD_IO_FOLLOW_PWR
+               if (CHECK_PKG(chip, LQFP48)
+                   || chip->option.rts5129_D3318_off_enable) {
+                       rts51x_init_cmd(chip);
+                       if (chip->asic_code)
+                               sd_pull_ctl_enable(chip);
+                       else
+                               rts51x_add_cmd(chip, WRITE_REG_CMD,
+                                              FPGA_PULL_CTL,
+                                              FPGA_SD_PULL_CTL_BIT | 0x20, 0);
+                       retval = rts51x_send_cmd(chip, MODE_C, 100);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+               } else {
+                       if (chip->asic_code)
+                               rts51x_write_register(chip, CARD_PULL_CTL6,
+                                                     0x03, 0x00);
+               }
+#endif
+
+               /* Power on card */
+               retval = card_power_on(chip, SD_CARD);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               wait_timeout(260);
+
+#ifdef SUPPORT_OCP
+               rts51x_get_card_status(chip, &(chip->card_status));
+               chip->ocp_stat = (chip->card_status >> 4) & 0x03;
+
+               if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) {
+                       RTS51X_DEBUGP("Over current, OCPSTAT is 0x%x\n",
+                                      chip->ocp_stat);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+#endif
+       }
+
+       rts51x_init_cmd(chip);
+       if (chip->asic_code) {
+               sd_pull_ctl_enable(chip);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL,
+                              FPGA_SD_PULL_CTL_BIT | 0x20, 0);
+       }
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#ifdef SD_XD_IO_FOLLOW_PWR
+       rts51x_write_register(chip, CARD_INT_PEND, XD_INT | MS_INT | SD_INT,
+                             XD_INT | MS_INT | SD_INT);
+#endif
+
+       RTS51X_WRITE_REG(chip, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
+
+       return STATUS_SUCCESS;
+}
+
+static int sd_dummy_clock(struct rts51x_chip *chip)
+{
+       RTS51X_WRITE_REG(chip, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN);
+       wait_timeout(5);
+       RTS51X_WRITE_REG(chip, SD_BUS_STAT, SD_CLK_TOGGLE_EN, 0x00);
+
+       return STATUS_SUCCESS;
+}
+
+int reset_sd(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval, i = 0, j = 0, k = 0, hi_cap_flow = 0;
+       int sd_dont_switch = 0;
+       int support_1v8 = 0;
+       u8 rsp[16];
+       u8 switch_bus_width;
+       u32 voltage = 0;
+       u8 cmd[5], buf[64];
+       u16 sd_card_type;
+
+       SET_SD(sd_card);
+       CLR_RETRY_SD20_MODE(sd_card);
+Switch_Fail:
+       i = 0;
+       j = 0;
+       k = 0;
+       hi_cap_flow = 0;
+       support_1v8 = 0;
+#ifdef SUPPORT_SD_LOCK
+       if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON)
+               goto SD_UNLOCK_ENTRY;
+#endif
+
+       retval = sd_prepare_reset(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       sd_dummy_clock(chip);
+
+       /* Start Initialization Process of SD Card */
+RTY_SD_RST:
+       retval =
+           sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0, NULL,
+                               0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       wait_timeout(20);
+
+       retval =
+           sd_send_cmd_get_rsp(chip, SEND_IF_COND, 0x000001AA, SD_RSP_TYPE_R7,
+                               rsp, 5);
+       if (retval == STATUS_SUCCESS) {
+               if ((rsp[4] == 0xAA) && ((rsp[3] & 0x0f) == 0x01)) {
+                       hi_cap_flow = 1;
+                       if (CHK_RETRY_SD20_MODE(sd_card)) {
+                               voltage =
+                                   SUPPORT_VOLTAGE |
+                                   SUPPORT_HIGH_AND_EXTENDED_CAPACITY;
+                       } else {
+                               voltage =
+                                   SUPPORT_VOLTAGE |
+                                   SUPPORT_HIGH_AND_EXTENDED_CAPACITY |
+                                   SUPPORT_MAX_POWER_PERMANCE | SUPPORT_1V8;
+                       }
+               }
+       }
+
+       if (!hi_cap_flow) {
+               voltage = SUPPORT_VOLTAGE;
+
+               retval =
+                   sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0,
+                                       NULL, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               wait_timeout(20);
+       }
+
+       /* ACMD41 */
+       do {
+               {
+                       u8 temp = 0;
+                       rts51x_read_register(chip, CARD_INT_PEND, &temp);
+                       RTS51X_DEBUGP("CARD_INT_PEND:%x\n", temp);
+                       if (temp & SD_INT) {
+                               chip->reset_need_retry = 1;
+                               rts51x_write_register(chip, CARD_INT_PEND,
+                                                     XD_INT | SD_INT | MS_INT,
+                                                     XD_INT | SD_INT | MS_INT);
+                               sd_set_reset_fail(chip, SD_RESET_FAIL);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+RTY_CMD55:
+               retval =
+                   sd_send_cmd_get_rsp(chip, APP_CMD, 0, SD_RSP_TYPE_R1, NULL,
+                                       0);
+               if (retval != STATUS_SUCCESS) {
+                       if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) {
+                               sd_set_reset_fail(chip, SD_RESET_FAIL);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       j++;
+                       if (chip->option.speed_mmc) {
+                               if (j < 2)
+                                       goto RTY_CMD55;
+                               else
+                                       TRACE_RET(chip, STATUS_FAIL);
+                       } else {
+                               if (j < 3)
+                                       goto RTY_SD_RST;
+                               else
+                                       TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               retval =
+                   sd_send_cmd_get_rsp(chip, SD_APP_OP_COND, voltage,
+                                       SD_RSP_TYPE_R3, rsp, 5);
+               if (retval != STATUS_SUCCESS) {
+                       k++;
+                       if (k < 3)
+                               goto RTY_SD_RST;
+                       else
+                               TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               i++;
+               wait_timeout(20);
+       } while (!(rsp[1] & 0x80) && (i < 255)); /* Not complete power on */
+
+       if (i == 255) {
+               /* Time out */
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (hi_cap_flow) {
+               if (rsp[1] & 0x40)
+                       SET_SD_HCXC(sd_card);
+               else
+                       CLR_SD_HCXC(sd_card);
+               if (!CHK_RETRY_SD20_MODE(sd_card)) {
+                       if ((CHK_SD_HCXC(sd_card)) && (CHECK_UHS50(chip))) {
+                               support_1v8 = (rsp[1] & 0x01) ? 1 : 0;
+                               RTS51X_DEBUGP("support_1v8 = %d\n",
+                                              support_1v8);
+                       }
+               }
+       } else {
+               CLR_SD_HCXC(sd_card);
+               support_1v8 = 0;
+       }
+
+       /* CMD11: Switch Voltage */
+       if (support_1v8 && CHECK_UHS50(chip)
+           && !(((u8) chip->option.sd_speed_prior & SDR104_SUPPORT) ==
+                HS_SUPPORT)) {
+               retval = sd_voltage_switch(chip);
+               if (retval != STATUS_SUCCESS) {
+                       SET_RETRY_SD20_MODE(sd_card);
+                       sd_init_power(chip);
+                       RTS51X_DEBUGP("1.8v switch fail\n");
+                       goto Switch_Fail;
+               }
+       }
+
+       /* CMD 2 */
+       retval =
+           sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2, NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       /* CMD 3 */
+       retval =
+           sd_send_cmd_get_rsp(chip, SEND_RELATIVE_ADDR, 0, SD_RSP_TYPE_R6,
+                               rsp, 5);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       sd_card->sd_addr = (u32) rsp[1] << 24;
+       sd_card->sd_addr += (u32) rsp[2] << 16;
+
+       /* Get CSD register for Calculating Timing,Capacity,
+        * Check CSD to determaine as if this is the SD ROM card */
+       retval = sd_check_csd(chip, 1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       /* Select SD card */
+       retval = sd_select_card(chip, 1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#ifdef SUPPORT_SD_LOCK
+SD_UNLOCK_ENTRY:
+       /* Get SD lock status */
+       retval = sd_update_lock_status(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (sd_card->sd_lock_status & SD_LOCKED) {
+               sd_card->sd_lock_status |= (SD_LOCK_1BIT_MODE | SD_PWD_EXIST);
+               return STATUS_SUCCESS;
+       } else if (!(sd_card->sd_lock_status & SD_UNLOCK_POW_ON)) {
+               sd_card->sd_lock_status &= ~SD_PWD_EXIST;
+       }
+#endif
+
+       /* ACMD42 */
+       retval =
+           sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, SD_RSP_TYPE_R1,
+                               NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval =
+           sd_send_cmd_get_rsp(chip, SET_CLR_CARD_DETECT, 0, SD_RSP_TYPE_R1,
+                               NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (support_1v8) {
+               /* ACMD6 */
+               retval =
+                   sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
+                                       SD_RSP_TYPE_R1, NULL, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               /* Enable 4 bit data bus */
+               retval =
+                   sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2, SD_RSP_TYPE_R1,
+                                       NULL, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               switch_bus_width = SD_BUS_WIDTH_4;
+       } else {
+               switch_bus_width = SD_BUS_WIDTH_1;
+       }
+
+       /* Set block length 512 bytes for all block commands */
+       retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN,
+                       0x200, SD_RSP_TYPE_R1, NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_WRITE_REG(chip, SD_CFG1, SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_0);
+
+       if (!(sd_card->raw_csd[4] & 0x40)) {
+               sd_dont_switch = 1;
+               RTS51X_DEBUGP("Not support class ten\n");
+       }
+
+       if (!sd_dont_switch) {
+               /* Check the card whether flow SD1.1 spec or higher */
+               retval = sd_check_spec(chip, switch_bus_width);
+               if (retval == STATUS_SUCCESS) {
+                       retval = sd_switch_function(chip, switch_bus_width);
+                       if (retval != STATUS_SUCCESS) {
+                               if ((sd_card->sd_switch_fail ==
+                                    SDR104_SUPPORT_MASK)
+                                   || (sd_card->sd_switch_fail ==
+                                       DDR50_SUPPORT_MASK)
+                                   || (sd_card->sd_switch_fail ==
+                                           SDR50_SUPPORT_MASK)) {
+                                       sd_init_power(chip);
+                                       SET_RETRY_SD20_MODE(sd_card);
+                               } else if (sd_card->sd_switch_fail ==
+                                               HS_SUPPORT_MASK) {
+                                       sd_dont_switch = 1;
+                               }
+                               goto Switch_Fail;
+                       }
+               } else {
+                       if (support_1v8) {
+                               SET_RETRY_SD20_MODE(sd_card);
+                               sd_init_power(chip);
+                               sd_dont_switch = 1;
+
+                               goto Switch_Fail;
+                       }
+               }
+       }
+
+       if (!support_1v8) {
+               /* ACMD6 */
+               retval =
+                   sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
+                                       SD_RSP_TYPE_R1, NULL, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               /* Enable 4 bit data bus */
+               retval =
+                   sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2, SD_RSP_TYPE_R1,
+                                       NULL, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+#ifdef SUPPORT_SD_LOCK
+       /* clear 1 bit mode status */
+       sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
+#endif
+
+       if (CHK_SD30_SPEED(sd_card)) {
+               rts51x_write_register(chip, SD30_DRIVE_SEL, SD30_DRIVE_MASK,
+                                     0x03);
+
+               retval = sd_set_init_para(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               if (CHK_SD_DDR50(sd_card))
+                       retval = sd_ddr_tuning(chip);
+               else
+                       retval = sd_sdr_tuning(chip);
+
+               if (retval != STATUS_SUCCESS) {
+                       SET_RETRY_SD20_MODE(sd_card);
+                       RTS51X_DEBUGP("tuning phase fail,goto SD20 mode\n");
+                       sd_init_power(chip);
+                       CLR_SD30_SPEED(sd_card);
+                       goto Switch_Fail;
+               }
+               if (STATUS_SUCCESS ==
+                   sd_wait_currentstate_dataready(chip, 0x08, 1, 20)) {
+                       cmd[0] = 0x40 | READ_SINGLE_BLOCK;
+                       cmd[1] = 0x00;
+                       cmd[2] = 0x00;
+                       cmd[3] = 0x00;
+                       cmd[4] = 0x00;
+                       retval =
+                           sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 512,
+                                        1, SD_BUS_WIDTH_4, NULL, 0, 600);
+                       if (retval != STATUS_SUCCESS) {
+                               SET_RETRY_SD20_MODE(sd_card);
+                               RTS51X_DEBUGP("read lba0 fail,"
+                                                       "goto SD20 mode\n");
+                               sd_init_power(chip);
+                               CLR_SD30_SPEED(sd_card);
+                               goto Switch_Fail;
+                       }
+               }
+       }
+       sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, SD_RSP_TYPE_R1,
+                           NULL, 0);
+
+       retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
+                       SD_RSP_TYPE_R1, NULL, 0);
+       if (retval == STATUS_SUCCESS) {
+               int ret;
+               cmd[0] = 0x40 | SEND_STATUS;
+               cmd[1] = 0x00;
+               cmd[2] = 0x00;
+               cmd[3] = 0x00;
+               cmd[4] = 0x00;
+               ret =
+                   sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1,
+                                SD_BUS_WIDTH_4, buf, 64, 600);
+               if (ret == STATUS_SUCCESS) {
+                       sd_card_type = ((u16) buf[2] << 8) | (u16) buf[3];
+                       RTS51X_DEBUGP("sd_card_type:0x%4x\n", sd_card_type);
+                       if ((sd_card_type == 0x0001)
+                           || (sd_card_type == 0x0002))
+                               chip->card_wp |= SD_CARD;
+               } else {
+                       rts51x_clear_sd_error(chip);
+                       sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0);
+               }
+       } else {
+               rts51x_clear_sd_error(chip);
+               sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                   SD_RSP_TYPE_R1, NULL, 0);
+       }
+
+       /* Check SD Machanical Write-Protect Switch */
+       retval = rts51x_get_card_status(chip, &(chip->card_status));
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       if (chip->card_status & SD_WP)
+               chip->card_wp |= SD_CARD;
+
+       chip->card_bus_width[chip->card2lun[SD_CARD]] = 4;
+
+#ifdef SUPPORT_SD_LOCK
+       if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) {
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0x02);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 0x00);
+
+               retval = rts51x_send_cmd(chip, MODE_C, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+#endif
+
+       return STATUS_SUCCESS;
+}
+
+static int mmc_test_switch_bus(struct rts51x_chip *chip, u8 width)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 buf[8] = { 0 }, bus_width;
+       u16 byte_cnt;
+       int len;
+
+       retval =
+           sd_send_cmd_get_rsp(chip, BUSTEST_W, 0, SD_RSP_TYPE_R1, NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (width == MMC_8BIT_BUS) {
+               buf[0] = 0x55;
+               buf[1] = 0xAA;
+               len = 8;
+               byte_cnt = 8;
+               bus_width = SD_BUS_WIDTH_8;
+       } else {
+               buf[0] = 0x5A;
+               len = 4;
+               byte_cnt = 4;
+               bus_width = SD_BUS_WIDTH_4;
+       }
+
+       retval = sd_write_data(chip, SD_TM_AUTO_WRITE_3,
+                              NULL, 0, byte_cnt, 1, bus_width, buf, len, 100);
+       if (retval != STATUS_SUCCESS) {
+               u8 val1 = 0, val2 = 0;
+               rts51x_ep0_read_register(chip, SD_STAT1, &val1);
+               rts51x_ep0_read_register(chip, SD_STAT2, &val2);
+               rts51x_clear_sd_error(chip);
+               if ((val1 & 0xE0) || val2)
+                       TRACE_RET(chip, STATUS_FAIL);
+       }
+       RTS51X_DEBUGP("SD/MMC CMD %d\n", BUSTEST_R);
+
+       rts51x_init_cmd(chip);
+
+       /* CMD14 */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, 0x40 | BUSTEST_R);
+
+       if (width == MMC_8BIT_BUS)
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x08);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x04);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 1);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF,
+                      SD_CALCULATE_CRC7 | SD_NO_CHECK_CRC16 |
+                      SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | SD_RSP_LEN_6);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                      SD_TM_NORMAL_READ | SD_TRANSFER_START);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END,
+                      SD_TRANSFER_END);
+
+       rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2, 0, 0);
+       if (width == MMC_8BIT_BUS) {
+               len = 3;
+               rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 1, 0, 0);
+       } else {
+               len = 2;
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, len, 100);
+       if (CHECK_SD_TRANS_FAIL(chip, retval)) {
+               rts51x_clear_sd_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       rts51x_read_rsp_buf(chip, 1, buf, 2);
+
+       if (width == MMC_8BIT_BUS) {
+               RTS51X_DEBUGP("BUSTEST_R [8bits]: 0x%02x 0x%02x\n",
+                                       buf[0], buf[1]);
+               if ((buf[0] == 0xAA) && (buf[1] == 0x55)) {
+                       u8 rsp[5];
+                       u32 arg;
+
+                       if (CHK_MMC_DDR52(sd_card))
+                               arg = 0x03B70600;
+                       else
+                               arg = 0x03B70200;
+                       /* Switch MMC to  8-bit mode */
+                       retval =
+                           sd_send_cmd_get_rsp(chip, SWITCH, arg,
+                                               SD_RSP_TYPE_R1b, rsp, 5);
+                       if ((retval == STATUS_SUCCESS)
+                           && !(rsp[4] & MMC_SWITCH_ERR))
+                               return STATUS_SUCCESS;
+               }
+       } else {
+               RTS51X_DEBUGP("BUSTEST_R [4bits]: 0x%02x\n", buf[0]);
+               if (buf[0] == 0xA5) {
+                       u8 rsp[5];
+                       u32 arg;
+
+                       if (CHK_MMC_DDR52(sd_card))
+                               arg = 0x03B70500;
+                       else
+                               arg = 0x03B70100;
+                       /* Switch MMC to  4-bit mode */
+                       retval =
+                           sd_send_cmd_get_rsp(chip, SWITCH, arg,
+                                               SD_RSP_TYPE_R1b, rsp, 5);
+                       if ((retval == STATUS_SUCCESS)
+                           && !(rsp[4] & MMC_SWITCH_ERR))
+                               return STATUS_SUCCESS;
+               }
+       }
+
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+static int mmc_switch_timing_bus(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       u8 card_type, card_type_mask = 0;
+       u8 buf[6];
+
+       CLR_MMC_HS(sd_card);
+
+       RTS51X_DEBUGP("SD/MMC CMD %d\n", SEND_EXT_CSD);
+
+       rts51x_init_cmd(chip);
+
+       /* SEND_EXT_CSD command */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF,
+                       0x40 | SEND_EXT_CSD);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, 0);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 2);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 1);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF,
+                      SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END
+                      | SD_CHECK_CRC7 | SD_RSP_LEN_6);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                      SD_TM_NORMAL_READ | SD_TRANSFER_START);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END,
+                      SD_TRANSFER_END);
+
+       rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 196, 0xFF, 0);
+       rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 212, 0xFF, 0);
+       rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 213, 0xFF, 0);
+       rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 214, 0xFF, 0);
+       rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 215, 0xFF, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 6, 1000);
+
+       if (CHECK_SD_TRANS_FAIL(chip, retval)) {
+               if (retval == STATUS_TIMEDOUT) {
+                       rts51x_clear_sd_error(chip);
+                       sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0);
+               }
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       rts51x_read_rsp_buf(chip, 0, buf, 6);
+
+       if (buf[0] & SD_TRANSFER_ERR) {
+               sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                   SD_RSP_TYPE_R1, NULL, 0);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+       if (CHK_MMC_SECTOR_MODE(sd_card))
+               sd_card->capacity =
+                   ((u32) buf[5] << 24) | ((u32) buf[4] << 16) |
+                   ((u32) buf[3] << 8) | ((u32) buf[2]);
+#ifdef SUPPORT_SD_LOCK
+       if (!(sd_card->sd_lock_status & SD_SDR_RST) && CHECK_UHS50(chip))
+               card_type_mask = 0x07;
+       else
+               card_type_mask = 0x03;
+#else
+       if (CHECK_UHS50(chip))
+               card_type_mask = 0x07;
+       else
+               card_type_mask = 0x03;
+#endif
+
+       card_type = buf[1] & card_type_mask;
+       if (card_type) {
+               /* CARD TYPE FIELD = DDR52MHz, 52MHz or 26MHz */
+               u8 rsp[5];
+
+               if (card_type & 0x04)
+                       SET_MMC_DDR52(sd_card);
+               else if (card_type & 0x02)
+                       SET_MMC_52M(sd_card);
+               else
+                       SET_MMC_26M(sd_card);
+
+               retval =
+                   sd_send_cmd_get_rsp(chip, SWITCH, 0x03B90100,
+                                       SD_RSP_TYPE_R1b, rsp, 5);
+               if ((retval != STATUS_SUCCESS) || (rsp[4] & MMC_SWITCH_ERR))
+                       CLR_MMC_HS(sd_card);
+       }
+       sd_choose_proper_clock(chip);
+       retval = switch_clock(chip, sd_card->sd_clock);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       /* Test Bus Procedure */
+       if (mmc_test_switch_bus(chip, MMC_8BIT_BUS) == STATUS_SUCCESS) {
+               SET_MMC_8BIT(sd_card);
+               chip->card_bus_width[chip->card2lun[SD_CARD]] = 8;
+#ifdef SUPPORT_SD_LOCK
+               sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
+#endif
+       } else if (mmc_test_switch_bus(chip, MMC_4BIT_BUS) == STATUS_SUCCESS) {
+               SET_MMC_4BIT(sd_card);
+               chip->card_bus_width[chip->card2lun[SD_CARD]] = 4;
+#ifdef SUPPORT_SD_LOCK
+               sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
+#endif
+       } else {
+               CLR_MMC_8BIT(sd_card);
+               CLR_MMC_4BIT(sd_card);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int reset_mmc(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval, i = 0, j = 0, k = 0;
+       u8 rsp[16];
+       u8 spec_ver = 0;
+       u8 change_to_ddr52 = 1;
+       u8 cmd[5];
+
+#ifdef SUPPORT_SD_LOCK
+       if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON)
+               goto MMC_UNLOCK_ENTRY;
+#endif
+
+MMC_DDR_FAIL:
+
+       retval = sd_prepare_reset(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       SET_MMC(sd_card);
+
+RTY_MMC_RST:
+       retval =
+           sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0, NULL,
+                               0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       do {
+               {
+                       u8 temp = 0;
+                       rts51x_read_register(chip, CARD_INT_PEND, &temp);
+                       if (temp & SD_INT) {
+                               chip->reset_need_retry = 1;
+                               rts51x_write_register(chip, CARD_INT_PEND,
+                                                     XD_INT | SD_INT | MS_INT,
+                                                     XD_INT | SD_INT | MS_INT);
+                               sd_set_reset_fail(chip, MMC_RESET_FAIL);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               /* CMD  1 */
+               retval = sd_send_cmd_get_rsp(chip, SEND_OP_COND,
+                                            (SUPPORT_VOLTAGE | 0x40000000),
+                                            SD_RSP_TYPE_R3, rsp, 5);
+               if (retval != STATUS_SUCCESS) {
+                       if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) {
+                               sd_set_reset_fail(chip, MMC_RESET_FAIL);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+
+                       if (sd_check_err_code(chip, SD_BUSY)
+                           || sd_check_err_code(chip, SD_TO_ERR)) {
+                               k++;
+                               if (k < 20) {
+                                       sd_clr_err_code(chip);
+                                       goto RTY_MMC_RST;
+                               } else {
+                                       TRACE_RET(chip, STATUS_FAIL);
+                               }
+                       } else {
+                               j++;
+                               if (j < 100) {
+                                       sd_clr_err_code(chip);
+                                       goto RTY_MMC_RST;
+                               } else {
+                                       TRACE_RET(chip, STATUS_FAIL);
+                               }
+                       }
+               }
+
+               wait_timeout(20);
+               i++;
+       } while (!(rsp[1] & 0x80) && (i < 100)); /* Not complete power on */
+
+       if (i == 100) {
+               /* Time out */
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if ((rsp[1] & 0x60) == 0x40)
+               SET_MMC_SECTOR_MODE(sd_card);
+       else
+               CLR_MMC_SECTOR_MODE(sd_card);
+
+       /* CMD 2 */
+       retval =
+           sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2, NULL, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       /* CMD 3 */
+       sd_card->sd_addr = 0x00100000;
+       retval =
+           sd_send_cmd_get_rsp(chip, SET_RELATIVE_ADDR, sd_card->sd_addr,
+                               SD_RSP_TYPE_R6, rsp, 5);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       /* Get CSD register for Calculating Timing,Capacity
+        * Check CSD to determaine as if this is the SD ROM card */
+       retval = sd_check_csd(chip, 1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       /* Get MMC Spec_Ver in the CSD register */
+       spec_ver = (sd_card->raw_csd[0] & 0x3C) >> 2;
+
+       /* Select MMC card */
+       retval = sd_select_card(chip, 1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       /* Set block length 512 bytes for all block commands */
+       retval =
+           sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1, NULL,
+                               0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#ifdef SUPPORT_SD_LOCK
+MMC_UNLOCK_ENTRY:
+       /* Get SD lock status */
+       retval = sd_update_lock_status(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+#endif
+
+       RTS51X_WRITE_REG(chip, SD_CFG1, SD_CLK_DIVIDE_MASK, SD_CLK_DIVIDE_0);
+
+       if (chip->ic_version < 2)
+               rts51x_write_register(chip, SD30_DRIVE_SEL, SD30_DRIVE_MASK,
+                                     0x02);
+       rts51x_write_register(chip, CARD_DRIVE_SEL, SD20_DRIVE_MASK, DRIVE_8mA);
+
+       chip->card_bus_width[chip->card2lun[SD_CARD]] = 1;
+       if (spec_ver == 4) {
+               /* MMC 4.x Cards */
+               (void)mmc_switch_timing_bus(chip);
+       }
+
+       if (CHK_MMC_SECTOR_MODE(sd_card) && (sd_card->capacity == 0))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (CHK_MMC_DDR52(sd_card) && change_to_ddr52) {
+               /* Card is extracted while identifying */
+               if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               retval = sd_set_init_para(chip);
+               if (retval != STATUS_SUCCESS) {
+                       CLR_MMC_DDR52(sd_card);
+                       sd_init_power(chip);
+                       change_to_ddr52 = 0;
+                       goto MMC_DDR_FAIL;
+               }
+
+               retval = mmc_ddr_tuning(chip);
+               if (retval != STATUS_SUCCESS) {
+                       CLR_MMC_DDR52(sd_card);
+                       sd_init_power(chip);
+                       change_to_ddr52 = 0;
+                       goto MMC_DDR_FAIL;
+               }
+
+               if (STATUS_SUCCESS ==
+                   sd_wait_currentstate_dataready(chip, 0x08, 1, 20)) {
+                       cmd[0] = 0x40 | READ_SINGLE_BLOCK;
+                       cmd[1] = 0x00;
+                       cmd[2] = 0x00;
+                       cmd[3] = 0x00;
+                       cmd[4] = 0x00;
+                       if (CHK_MMC_8BIT(sd_card)) {
+                               retval =
+                                   sd_read_data(chip, SD_TM_NORMAL_READ, cmd,
+                                                5, 512, 1, SD_BUS_WIDTH_8,
+                                                NULL, 0, 600);
+                       } else if (CHK_MMC_4BIT(sd_card)) {
+                               retval =
+                                   sd_read_data(chip, SD_TM_NORMAL_READ, cmd,
+                                                5, 512, 1, SD_BUS_WIDTH_4,
+                                                NULL, 0, 600);
+                       } else {
+                               retval =
+                                   sd_read_data(chip, SD_TM_NORMAL_READ, cmd,
+                                                5, 512, 1, SD_BUS_WIDTH_1,
+                                                NULL, 0, 600);
+                       }
+
+                       if (retval != STATUS_SUCCESS) {
+                               CLR_MMC_DDR52(sd_card);
+                               change_to_ddr52 = 0;
+                               RTS51X_DEBUGP("read lba0 fail,"
+                                                       "goto SD20 mode\n");
+                               sd_init_power(chip);
+                               goto MMC_DDR_FAIL;
+                       }
+               }
+       }
+#ifdef SUPPORT_SD_LOCK
+       if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) {
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0x02);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 0x00);
+
+               retval = rts51x_send_cmd(chip, MODE_C, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+#endif
+
+       retval = rts51x_get_card_status(chip, &(chip->card_status));
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       if (chip->card_status & SD_WP)
+               chip->card_wp |= SD_CARD;
+
+       return STATUS_SUCCESS;
+}
+
+int reset_sd_card(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       int i;
+
+       memset(sd_card, 0, sizeof(struct sd_info));
+
+       /* Init variables */
+       sd_card->sd_type = 0;
+       sd_card->seq_mode = 0;
+       sd_card->sd_data_buf_ready = 0;
+       sd_card->capacity = 0;
+       sd_card->sd_switch_fail = 0;
+
+#ifdef SUPPORT_SD_LOCK
+       sd_card->sd_lock_status = 0;
+       sd_card->sd_erase_status = 0;
+#endif
+
+       sd_clear_reset_fail(chip);
+       enable_card_clock(chip, SD_CARD);
+
+       sd_init_power(chip);
+
+       chip->reset_need_retry = 0;
+       for (i = 0; i < 3; i++) {
+               if (!chip->option.reset_mmc_first) { /* reset sd first */
+                       retval = reset_sd(chip);
+                       if (retval != STATUS_SUCCESS) {
+                               /* Switch SD bus to 3V3 signal */
+                               RTS51X_WRITE_REG(chip, SD_PAD_CTL,
+                                                SD_IO_USING_1V8, 0);
+                               if (sd_check_reset_fail(chip, SD_RESET_FAIL))
+                                       sd_clear_reset_fail(chip);
+                               else
+                                       retval = reset_mmc(chip);
+                       }
+               } else { /* reset MMC first */
+                       retval = reset_mmc(chip);
+                       if (retval != STATUS_SUCCESS) {
+                               if (sd_check_reset_fail(chip, MMC_RESET_FAIL)) {
+                                       sd_clear_reset_fail(chip);
+                               } else {
+                                       retval = reset_sd(chip);
+                                       if (retval != STATUS_SUCCESS) {
+                                               /* Switch SD bus to
+                                                * 3V3 signal */
+                                               RTS51X_WRITE_REG(chip,
+                                                       SD_PAD_CTL,
+                                                       SD_IO_USING_1V8, 0);
+                                       }
+                               }
+                       }
+               }
+
+               if ((retval == STATUS_SUCCESS) || (!chip->reset_need_retry)) {
+                       /* if reset success or don't need retry,then break */
+                       break;
+               }
+               if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST) {
+                       /* card is extracted */
+                       break;
+               }
+               RTS51X_DEBUGP("retry reset sd card,%d\n", i);
+               chip->reset_need_retry = 0;
+       }
+
+       sd_clear_reset_fail(chip);
+       chip->reset_need_retry = 0;
+
+       if (retval == STATUS_SUCCESS) {
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, SD_CLK_DIVIDE_MASK,
+                              SD_CLK_DIVIDE_0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 2);
+               retval = rts51x_send_cmd(chip, MODE_C, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       } else {
+               chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity = 0;
+               if (chip->option.reset_or_rw_fail_set_pad_drive) {
+                       rts51x_write_register(chip, CARD_DRIVE_SEL,
+                                             SD20_DRIVE_MASK, DRIVE_8mA);
+               }
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity;
+
+       if (chip->option.sd_send_status_en) {
+               sd_card->sd_send_status_en = 1;
+       } else {
+               if (sd_card->capacity > 0x20000) { /* 64MB */
+                       sd_card->sd_send_status_en = 0;
+               } else {
+                       sd_card->sd_send_status_en = 1;
+               }
+       }
+       RTS51X_DEBUGP("sd_card->sd_send_status = %d\n",
+                      sd_card->sd_send_status_en);
+
+       retval = sd_set_init_para(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       RTS51X_DEBUGP("sd_card->sd_type = 0x%x\n", sd_card->sd_type);
+
+       return STATUS_SUCCESS;
+}
+
+#define WAIT_DATA_READY_RTY_CNT                255
+
+static int wait_data_buf_ready(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int i, retval;
+
+       for (i = 0; i < WAIT_DATA_READY_RTY_CNT; i++) {
+               if (monitor_card_cd(chip, SD_CARD) == CD_NOT_EXIST)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               sd_card->sd_data_buf_ready = 0;
+
+               retval = sd_send_cmd_get_rsp(chip, SEND_STATUS,
+                                            sd_card->sd_addr, SD_RSP_TYPE_R1,
+                                            NULL, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               if (sd_card->sd_data_buf_ready)
+                       return sd_send_cmd_get_rsp(chip, SEND_STATUS,
+                                                  sd_card->sd_addr,
+                                                  SD_RSP_TYPE_R1, NULL, 0);
+       }
+
+       sd_set_err_code(chip, SD_TO_ERR);
+
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+void sd_stop_seq_mode(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+
+       if (sd_card->seq_mode) {
+               retval = sd_switch_clock(chip);
+               if (retval != STATUS_SUCCESS)
+                       return;
+
+               retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
+                                            SD_RSP_TYPE_R1b, NULL, 0);
+               if (retval != STATUS_SUCCESS)
+                       sd_set_err_code(chip, SD_STS_ERR);
+               sd_card->seq_mode = 0;
+
+               rts51x_ep0_write_register(chip, MC_FIFO_CTL, FIFO_FLUSH,
+                                         FIFO_FLUSH);
+       }
+}
+
+static inline int sd_auto_tune_clock(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+
+       if (chip->asic_code) {
+               if (sd_card->sd_clock > 30)
+                       sd_card->sd_clock -= 20;
+       } else {
+               if (sd_card->sd_clock == CLK_100)
+                       sd_card->sd_clock = CLK_80;
+               else if (sd_card->sd_clock == CLK_80)
+                       sd_card->sd_clock = CLK_60;
+               else if (sd_card->sd_clock == CLK_60)
+                       sd_card->sd_clock = CLK_50;
+       }
+
+       retval = sd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int sd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
+         u16 sector_cnt)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       u32 data_addr;
+       int retval;
+       u8 flag;
+       unsigned int pipe;
+       u8 stageflag;
+
+       sd_card->counter = 0;
+
+       if (!CHK_SD_HCXC(sd_card) && !CHK_MMC_SECTOR_MODE(sd_card))
+               data_addr = start_sector << 9;
+       else
+               data_addr = start_sector;
+
+       RTS51X_DEBUGP("sd_rw, data_addr = 0x%x\n", data_addr);
+
+       sd_clr_err_code(chip);
+
+       retval = sd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (sd_card->seq_mode && ((sd_card->pre_dir != srb->sc_data_direction)
+                                 ||
+                                 ((sd_card->pre_sec_addr +
+                                   sd_card->pre_sec_cnt) != start_sector))) {
+               if ((sd_card->pre_dir == DMA_FROM_DEVICE)
+                   && !CHK_SD30_SPEED(sd_card)
+                   && !CHK_SD_HS(sd_card)
+                   && !CHK_MMC_HS(sd_card)
+                   && sd_card->sd_send_status_en) {
+                       sd_send_cmd_get_rsp(chip, SEND_STATUS,
+                                           sd_card->sd_addr, SD_RSP_TYPE_R1,
+                                           NULL, 0);
+               }
+
+               retval =
+                   sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
+                                       SD_RSP_TYPE_R1b, NULL, 0);
+               if (retval != STATUS_SUCCESS) {
+                       sd_set_err_code(chip, SD_STS_ERR);
+                       TRACE_RET(chip, sd_parse_err_code(chip));
+               }
+
+               sd_card->seq_mode = 0;
+
+               RTS51X_WRITE_REG(chip, MC_FIFO_CTL, FIFO_FLUSH, FIFO_FLUSH);
+
+               if (!CHK_SD30_SPEED(sd_card)
+                   && !CHK_SD_HS(sd_card)
+                   && !CHK_MMC_HS(sd_card)
+                   && sd_card->sd_send_status_en) {
+                       /* random rw, so pre_sec_cnt < 0x80 */
+                       sd_send_cmd_get_rsp(chip, SEND_STATUS,
+                                           sd_card->sd_addr, SD_RSP_TYPE_R1,
+                                           NULL, 0);
+               }
+       }
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF,
+                      (u8) sector_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF,
+                      (u8) (sector_cnt >> 8));
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      RING_BUFFER);
+
+       if (CHK_MMC_8BIT(sd_card))
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03,
+                              SD_BUS_WIDTH_8);
+       else if (CHK_MMC_4BIT(sd_card) || CHK_SD(sd_card))
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03,
+                              SD_BUS_WIDTH_4);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03,
+                              SD_BUS_WIDTH_1);
+
+       if (sd_card->seq_mode) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF,
+                              SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 |
+                              SD_NO_WAIT_BUSY_END | SD_NO_CHECK_CRC7 |
+                              SD_RSP_LEN_0);
+
+               trans_dma_enable(srb->sc_data_direction, chip, sector_cnt * 512,
+                                DMA_512);
+
+               if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+                       flag = MODE_CDIR;
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                                      SD_TM_AUTO_READ_3 | SD_TRANSFER_START);
+               } else {
+                       flag = MODE_CDOR;
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                                      SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
+               }
+
+               rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER,
+                              SD_TRANSFER_END, SD_TRANSFER_END);
+
+               retval = rts51x_send_cmd(chip, flag, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       } else {
+               if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+                       RTS51X_DEBUGP("SD/MMC CMD %d\n", READ_MULTIPLE_BLOCK);
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF,
+                                      0x40 | READ_MULTIPLE_BLOCK);
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF,
+                                      (u8) (data_addr >> 24));
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF,
+                                      (u8) (data_addr >> 16));
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF,
+                                      (u8) (data_addr >> 8));
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF,
+                                      (u8) data_addr);
+
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF,
+                                      SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
+                                      SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 |
+                                      SD_RSP_LEN_6);
+
+                       trans_dma_enable(srb->sc_data_direction, chip,
+                                        sector_cnt * 512, DMA_512);
+
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                                      SD_TM_AUTO_READ_2 | SD_TRANSFER_START);
+                       rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER,
+                                      SD_TRANSFER_END, SD_TRANSFER_END);
+
+                       retval = rts51x_send_cmd(chip, MODE_CDIR, 100);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+               } else {
+                       retval = rts51x_send_cmd(chip, MODE_C, 50);
+                       if (retval != STATUS_SUCCESS) {
+                               rts51x_clear_sd_error(chip);
+
+                               sd_set_err_code(chip, SD_TO_ERR);
+                               TRACE_RET(chip, sd_parse_err_code(chip));
+                       }
+
+                       retval = wait_data_buf_ready(chip);
+                       if (retval != STATUS_SUCCESS) {
+                               sd_set_err_code(chip, SD_TO_ERR);
+                               TRACE_RET(chip, sd_parse_err_code(chip));
+                       }
+
+                       retval = sd_send_cmd_get_rsp(chip, WRITE_MULTIPLE_BLOCK,
+                                                    data_addr, SD_RSP_TYPE_R1,
+                                                    NULL, 0);
+                       if (retval != STATUS_SUCCESS) {
+                               sd_set_err_code(chip, SD_CRC_ERR);
+                               TRACE_RET(chip, sd_parse_err_code(chip));
+                       }
+
+                       rts51x_init_cmd(chip);
+
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF,
+                                      SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 |
+                                      SD_NO_WAIT_BUSY_END | SD_NO_CHECK_CRC7 |
+                                      SD_RSP_LEN_0);
+
+                       trans_dma_enable(srb->sc_data_direction, chip,
+                                        sector_cnt * 512, DMA_512);
+
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                                      SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
+                       rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER,
+                                      SD_TRANSFER_END, SD_TRANSFER_END);
+
+                       retval = rts51x_send_cmd(chip, MODE_CDOR, 100);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+               }
+
+               sd_card->seq_mode = 1;
+       }
+
+       if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+               pipe = RCV_BULK_PIPE(chip);
+               stageflag = STAGE_DI;
+       } else {
+               pipe = SND_BULK_PIPE(chip);
+               stageflag = STAGE_DO;
+       }
+
+       retval =
+           rts51x_transfer_data_rcc(chip, pipe, scsi_sglist(srb),
+                                    scsi_bufflen(srb), scsi_sg_count(srb),
+                                    NULL, 10000, stageflag);
+       if (retval != STATUS_SUCCESS) {
+               u8 stat = 0;
+               int err = retval;
+
+               sd_print_debug_reg(chip);
+
+               rts51x_ep0_read_register(chip, SD_STAT1, &stat);
+               RTS51X_DEBUGP("SD_STAT1: 0x%x\n", stat);
+
+               rts51x_clear_sd_error(chip);
+
+               retval =
+                   sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
+                                       SD_RSP_TYPE_R1b, NULL, 0);
+               if (retval != STATUS_SUCCESS) {
+                       sd_set_err_code(chip, SD_STS_ERR);
+                       TRACE_RET(chip, retval);
+               }
+
+               if (stat & (SD_CRC7_ERR | SD_CRC16_ERR | SD_CRC_WRITE_ERR)) {
+                       RTS51X_DEBUGP("SD CRC error, tune clock!\n");
+                       sd_auto_tune_clock(chip);
+               }
+
+               sd_card->seq_mode = 0;
+
+               TRACE_RET(chip, err);
+       }
+       retval = rts51x_get_rsp(chip, 1, 2000);
+       if (CHECK_SD_TRANS_FAIL(chip, retval)) {
+               rts51x_clear_sd_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       sd_card->pre_sec_addr = start_sector;
+       sd_card->pre_sec_cnt = sector_cnt;
+       sd_card->pre_dir = srb->sc_data_direction;
+
+       return STATUS_SUCCESS;
+}
+
+void sd_cleanup_work(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+
+       if (sd_card->seq_mode) {
+               RTS51X_DEBUGP("SD: stop transmission\n");
+               sd_stop_seq_mode(chip);
+               sd_card->counter = 0;
+       }
+}
+
+inline void sd_fill_power_off_card3v3(struct rts51x_chip *chip)
+{
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, SD_CLK_EN, 0);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, SD_OUTPUT_EN, 0);
+       if (!chip->option.FT2_fast_mode) {
+#ifdef SD_XD_IO_FOLLOW_PWR
+               if (CHECK_PKG(chip, LQFP48)
+                   || chip->option.rts5129_D3318_off_enable)
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL,
+                                      POWER_MASK | LDO_OFF,
+                                      POWER_OFF | LDO_OFF);
+               else
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL,
+                                      POWER_MASK, POWER_OFF);
+#else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+#endif
+       }
+}
+
+int sd_power_off_card3v3(struct rts51x_chip *chip)
+{
+       int retval;
+
+       rts51x_init_cmd(chip);
+
+       sd_fill_power_off_card3v3(chip);
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+#ifdef SD_XD_IO_FOLLOW_PWR
+       if (!chip->option.FT2_fast_mode)
+               wait_timeout(chip->option.D3318_off_delay);
+#endif
+
+       return STATUS_SUCCESS;
+}
+
+int release_sd_card(struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+
+       RTS51X_DEBUGP("elease_sd_card\n");
+
+       chip->card_ready &= ~SD_CARD;
+       chip->card_fail &= ~SD_CARD;
+       chip->card_wp &= ~SD_CARD;
+
+#ifdef SUPPORT_SD_LOCK
+       sd_card->sd_lock_status = 0;
+       sd_card->sd_erase_status = 0;
+#endif
+
+       memset(sd_card->raw_csd, 0, 16);
+       memset(sd_card->raw_scr, 0, 8);
+
+       rts51x_write_register(chip, SFSM_ED, HW_CMD_STOP, HW_CMD_STOP);
+       rts51x_write_register(chip, SD_PAD_CTL, SD_IO_USING_1V8, 0);
+       if (CHECK_PKG(chip, LQFP48) || chip->option.rts5129_D3318_off_enable)
+               sd_power_off_card3v3(chip);
+
+       rts51x_init_cmd(chip);
+       if (!(CHECK_PKG(chip, LQFP48) || chip->option.rts5129_D3318_off_enable))
+               sd_fill_power_off_card3v3(chip);
+
+       if (chip->asic_code)
+               sd_pull_ctl_disable(chip);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL,
+                              FPGA_SD_PULL_CTL_BIT | 0x20,
+                              FPGA_SD_PULL_CTL_BIT);
+
+       /* Switch LDO3318 to 3.3V */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, LDO_POWER_CFG, TUNE_SD18_MASK,
+                      TUNE_SD18_3V3);
+
+       if (CHK_MMC_DDR52(sd_card) && CHK_MMC_8BIT(sd_card))
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DMA1_CTL,
+                              EXTEND_DMA1_ASYNC_SIGNAL,
+                              EXTEND_DMA1_ASYNC_SIGNAL);
+       if (CHK_SD30_SPEED(sd_card) || CHK_MMC(sd_card))
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD30_DRIVE_SEL,
+                              SD30_DRIVE_MASK, chip->option.sd30_pad_drive);
+       /* Suspend LDO3318 */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, LDO3318_PWR_MASK,
+                      LDO_SUSPEND);
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       wait_timeout(20);
+
+       return STATUS_SUCCESS;
+}
diff --git a/drivers/staging/rts5139/sd.h b/drivers/staging/rts5139/sd.h
new file mode 100644 (file)
index 0000000..0805edc
--- /dev/null
@@ -0,0 +1,304 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_SD_H
+#define __RTS51X_SD_H
+
+#include "rts51x_chip.h"
+
+#define SD_MAX_RETRY_COUNT     3
+
+#define SUPPORT_VOLTAGE        0x003C0000
+
+#define SD_RESET_FAIL  0x01
+#define MMC_RESET_FAIL  0x02
+
+/* Error Code */
+#define        SD_NO_ERROR             0x0
+#define        SD_CRC_ERR              0x80
+#define        SD_TO_ERR               0x40
+#define        SD_NO_CARD              0x20
+#define SD_BUSY                        0x10
+#define        SD_STS_ERR              0x08
+#define SD_RSP_TIMEOUT         0x04
+
+/* MMC/SD Command Index */
+/* Basic command (class 0) */
+#define GO_IDLE_STATE          0
+#define        SEND_OP_COND            1 /* reserved for SD */
+#define        ALL_SEND_CID            2
+#define        SET_RELATIVE_ADDR       3
+#define        SEND_RELATIVE_ADDR      3
+#define        SET_DSR                 4
+#define IO_SEND_OP_COND                5
+#define        SWITCH                  6
+#define        SELECT_CARD             7
+#define        DESELECT_CARD           7
+/* CMD8 is "SEND_EXT_CSD" for MMC4.x Spec
+ * while is "SEND_IF_COND" for SD 2.0 */
+#define        SEND_EXT_CSD            8
+#define        SEND_IF_COND            8
+/* end  */
+#define        SEND_CSD                9
+#define        SEND_CID                10
+#define        VOLTAGE_SWITCH          11
+#define        READ_DAT_UTIL_STOP      11 /* reserved for SD */
+#define        STOP_TRANSMISSION       12
+#define        SEND_STATUS             13
+#define        GO_INACTIVE_STATE       15
+
+/* Block oriented read commands (class 2) */
+#define        SET_BLOCKLEN            16
+#define        READ_SINGLE_BLOCK       17
+#define        READ_MULTIPLE_BLOCK     18
+#define        SEND_TUNING_PATTERN     19
+
+/* Bus Width Test */
+#define        BUSTEST_R               14
+#define        BUSTEST_W               19
+/* end */
+
+/* Block oriented write commands (class 4) */
+#define        WRITE_BLOCK             24
+#define        WRITE_MULTIPLE_BLOCK    25
+#define        PROGRAM_CSD             27
+
+/* Erase commands */
+#define        ERASE_WR_BLK_START      32
+#define        ERASE_WR_BLK_END        33
+#define        ERASE_CMD               38
+
+/* Block Oriented Write Protection Commands */
+#define LOCK_UNLOCK            42
+
+#define        IO_RW_DIRECT            52
+
+/* Application specific commands (class 8) */
+#define        APP_CMD                 55
+#define        GEN_CMD                 56
+
+/* SD Application command Index */
+#define        SET_BUS_WIDTH                   6
+#define        SD_STATUS                       13
+#define        SEND_NUM_WR_BLOCKS              22
+#define        SET_WR_BLK_ERASE_COUNT          23
+#define        SD_APP_OP_COND                  41
+#define        SET_CLR_CARD_DETECT             42
+#define        SEND_SCR                        51
+
+/* SD TIMEOUT function return error */
+#define        SD_READ_COMPLETE        0x00
+#define        SD_READ_TO              0x01
+#define        SD_READ_ADVENCE         0x02
+
+/* SD v1.1 CMD6 SWITCH function */
+#define        SD_CHECK_MODE           0x00
+#define        SD_SWITCH_MODE          0x80
+#define        SD_FUNC_GROUP_1         0x01
+#define        SD_FUNC_GROUP_2         0x02
+#define        SD_FUNC_GROUP_3         0x03
+#define        SD_FUNC_GROUP_4         0x04
+#define        SD_CHECK_SPEC_V1_1      0xFF
+
+/* SD Command Argument */
+#define        NO_ARGUMENT                             0x00
+#define        CHECK_PATTERN                           0x000000AA
+#define        VOLTAGE_SUPPLY_RANGE                    0x00000100 /* 2.7~3.6V */
+#define        SUPPORT_HIGH_AND_EXTENDED_CAPACITY      0x40000000
+#define        SUPPORT_MAX_POWER_PERMANCE              0x10000000
+#define        SUPPORT_1V8                             0x01000000
+
+/* Switch Command Error Code */
+#define        SWTICH_NO_ERR     0x00
+#define        CARD_NOT_EXIST    0x01
+#define        SPEC_NOT_SUPPORT  0x02
+#define        CHECK_MODE_ERR    0x03
+#define        CHECK_NOT_READY   0x04
+#define        SWITCH_CRC_ERR    0x05
+#define        SWITCH_MODE_ERR   0x06
+#define        SWITCH_PASS       0x07
+
+#ifdef SUPPORT_SD_LOCK
+/* CMD42 Parameter */
+#define SD_ERASE               0x08
+#define SD_LOCK                        0x04
+#define SD_UNLOCK              0x00
+#define SD_CLR_PWD             0x02
+#define SD_SET_PWD             0x01
+
+#define SD_PWD_LEN             0x10
+
+/* SD lock unlock Status */
+#define SD_LOCKED              0x80    /* Global lock status */
+#define SD_LOCK_1BIT_MODE      0x40 /**/
+#define SD_PWD_EXIST           0x20
+#define SD_UNLOCK_POW_ON       0x01 /**/
+#define SD_SDR_RST             0x02 /* Reset SD30 card with current DDR mode to SDR mode. */
+/* g_bySDEraseStatus */
+#define SD_NOT_ERASE           0x00
+#define SD_UNDER_ERASING       0x01
+#define SD_COMPLETE_ERASE      0x02
+/* SD_RW FAIL status */
+#define SD_RW_FORBIDDEN                0x0F    /* read/write is forbidden (SD card)  */
+#endif
+/* Function Group Definition */
+/* Function Group 1 */
+#define        HS_SUPPORT                      0x01
+#define        SDR50_SUPPORT                   0x02
+#define        SDR104_SUPPORT                  0x03
+#define        DDR50_SUPPORT                   0x04
+#define        HS_SUPPORT_MASK                 0x02
+#define        SDR50_SUPPORT_MASK              0x04
+#define        SDR104_SUPPORT_MASK             0x08
+#define        DDR50_SUPPORT_MASK              0x10
+#define        HS_QUERY_SWITCH_OK              0x01
+#define        SDR50_QUERY_SWITCH_OK           0x02
+#define        SDR104_QUERY_SWITCH_OK          0x03
+#define        DDR50_QUERY_SWITCH_OK           0x04
+#define        HS_SWITCH_BUSY                  0x02
+#define        SDR50_SWITCH_BUSY               0x04
+#define        SDR104_SWITCH_BUSY              0x08
+#define        DDR50_SWITCH_BUSY               0x10
+#define        FUNCTION_GROUP1_SUPPORT_OFFSET       0x0D
+#define FUNCTION_GROUP1_QUERY_SWITCH_OFFSET  0x10
+#define FUNCTION_GROUP1_CHECK_BUSY_OFFSET    0x1D
+/* Function Group 3 */
+#define        DRIVING_TYPE_A          0x01
+#define        DRIVING_TYPE_B              0x00
+#define        DRIVING_TYPE_C              0x02
+#define        DRIVING_TYPE_D          0x03
+#define        DRIVING_TYPE_A_MASK         0x02
+#define        DRIVING_TYPE_B_MASK         0x01
+#define        DRIVING_TYPE_C_MASK         0x04
+#define        DRIVING_TYPE_D_MASK         0x08
+#define        TYPE_A_QUERY_SWITCH_OK  0x01
+#define        TYPE_B_QUERY_SWITCH_OK  0x00
+#define        TYPE_C_QUERY_SWITCH_OK  0x02
+#define        TYPE_D_QUERY_SWITCH_OK  0x03
+#define        TYPE_A_SWITCH_BUSY          0x02
+#define        TYPE_B_SWITCH_BUSY          0x01
+#define        TYPE_C_SWITCH_BUSY      0x04
+#define        TYPE_D_SWITCH_BUSY      0x08
+#define        FUNCTION_GROUP3_SUPPORT_OFFSET       0x09
+#define FUNCTION_GROUP3_QUERY_SWITCH_OFFSET  0x0F
+#define FUNCTION_GROUP3_CHECK_BUSY_OFFSET    0x19
+/* Function Group 4 */
+#define        CURRENT_LIMIT_200           0x00
+#define        CURRENT_LIMIT_400           0x01
+#define        CURRENT_LIMIT_600           0x02
+#define        CURRENT_LIMIT_800           0x03
+#define        CURRENT_LIMIT_200_MASK  0x01
+#define        CURRENT_LIMIT_400_MASK  0x02
+#define        CURRENT_LIMIT_600_MASK  0x04
+#define        CURRENT_LIMIT_800_MASK  0x08
+#define        CURRENT_LIMIT_200_QUERY_SWITCH_OK    0x00
+#define        CURRENT_LIMIT_400_QUERY_SWITCH_OK    0x01
+#define        CURRENT_LIMIT_600_QUERY_SWITCH_OK    0x02
+#define        CURRENT_LIMIT_800_QUERY_SWITCH_OK    0x03
+#define        CURRENT_LIMIT_200_SWITCH_BUSY        0x01
+#define        CURRENT_LIMIT_400_SWITCH_BUSY        0x02
+#define        CURRENT_LIMIT_600_SWITCH_BUSY        0x04
+#define        CURRENT_LIMIT_800_SWITCH_BUSY        0x08
+#define        FUNCTION_GROUP4_SUPPORT_OFFSET       0x07
+#define FUNCTION_GROUP4_QUERY_SWITCH_OFFSET  0x0F
+#define FUNCTION_GROUP4_CHECK_BUSY_OFFSET    0x17
+/* Switch Function Status Offset */
+#define        DATA_STRUCTURE_VER_OFFSET   0x11 /* The high offset */
+#define MAX_PHASE              15
+/* #define      TOTAL_READ_PHASE    0x20 */
+/* #define      TOTAL_WRITE_PHASE    0x20 */
+/* MMC v4.0 */
+/* #define MMC_52MHZ_SPEED                       0x0001 */
+/* #define MMC_26MHZ_SPEED                       0x0002 */
+#define MMC_8BIT_BUS                   0x0010
+#define MMC_4BIT_BUS                   0x0020
+/* #define MMC_SECTOR_MODE                       0x0100 */
+#define MMC_SWITCH_ERR                 0x80
+/* Tuning direction RX or TX */
+#define TUNE_TX    0x00
+#define TUNE_RX           0x01
+/* For Change_DCM_FreqMode Function */
+#define CHANGE_TX  0x00
+#define CHANGE_RX  0x01
+#define DCM_HIGH_FREQUENCY_MODE  0x00
+#define DCM_LOW_FREQUENCY_MODE   0x01
+#define DCM_HIGH_FREQUENCY_MODE_SET  0x0C
+#define DCM_Low_FREQUENCY_MODE_SET   0x00
+/* For Change_FPGA_SSCClock Function */
+#define MULTIPLY_BY_1    0x00
+#define MULTIPLY_BY_2    0x01
+#define MULTIPLY_BY_3    0x02
+#define MULTIPLY_BY_4    0x03
+#define MULTIPLY_BY_5    0x04
+#define MULTIPLY_BY_6    0x05
+#define MULTIPLY_BY_7    0x06
+#define MULTIPLY_BY_8    0x07
+#define MULTIPLY_BY_9    0x08
+#define MULTIPLY_BY_10   0x09
+#define DIVIDE_BY_2      0x01
+#define DIVIDE_BY_3      0x02
+#define DIVIDE_BY_4      0x03
+#define DIVIDE_BY_5      0x04
+#define DIVIDE_BY_6      0x05
+#define DIVIDE_BY_7      0x06
+#define DIVIDE_BY_8      0x07
+#define DIVIDE_BY_9      0x08
+#define DIVIDE_BY_10     0x09
+#define CHECK_SD_TRANS_FAIL(chip, retval)      \
+       (((retval) != STATUS_SUCCESS) || \
+                       (chip->rsp_buf[0] & SD_TRANSFER_ERR))
+/* SD Tuning Data Structure */
+/* Record continuous timing phase path */
+struct timing_phase_path {
+       int start;
+       int end;
+       int mid;
+       int len;
+};
+
+int sd_select_card(struct rts51x_chip *chip, int select);
+int reset_sd_card(struct rts51x_chip *chip);
+int sd_switch_clock(struct rts51x_chip *chip);
+void sd_stop_seq_mode(struct rts51x_chip *chip);
+int sd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
+         u16 sector_cnt);
+void sd_cleanup_work(struct rts51x_chip *chip);
+int sd_power_off_card3v3(struct rts51x_chip *chip);
+int release_sd_card(struct rts51x_chip *chip);
+
+#ifdef SUPPORT_SD_LOCK
+int sd_update_lock_status(struct rts51x_chip *chip);
+#endif
+
+#ifdef SUPPORT_CPRM
+extern int reset_sd(struct rts51x_chip *chip);
+extern int sd_check_data0_status(struct rts51x_chip *chip);
+extern int sd_read_data(struct rts51x_chip *chip, u8 trans_mode, u8 *cmd,
+               int cmd_len, u16 byte_cnt, u16 blk_cnt, u8 bus_width,
+               u8 *buf, int buf_len, int timeout);
+#endif
+
+#endif /* __RTS51X_SD_H */
diff --git a/drivers/staging/rts5139/sd_cprm.c b/drivers/staging/rts5139/sd_cprm.c
new file mode 100644 (file)
index 0000000..407cd43
--- /dev/null
@@ -0,0 +1,1215 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include "debug.h"
+#include "trace.h"
+#include "rts51x.h"
+#include "rts51x_transport.h"
+#include "rts51x_scsi.h"
+#include "rts51x_card.h"
+#include "rts51x_chip.h"
+#include "sd.h"
+
+#ifdef SUPPORT_CPRM
+
+static inline int get_rsp_type(u8 rsp_code, u8 *rsp_type, int *rsp_len)
+{
+       if (!rsp_type || !rsp_len)
+               return STATUS_FAIL;
+
+       switch (rsp_code) {
+       case 0x03:
+               *rsp_type = SD_RSP_TYPE_R0; /* no response */
+               *rsp_len = 0;
+               break;
+
+       case 0x04:
+               *rsp_type = SD_RSP_TYPE_R1; /* R1,R6(,R4,R5) */
+               *rsp_len = 6;
+               break;
+
+       case 0x05:
+               *rsp_type = SD_RSP_TYPE_R1b;    /* R1b */
+               *rsp_len = 6;
+               break;
+
+       case 0x06:
+               *rsp_type = SD_RSP_TYPE_R2;     /* R2 */
+               *rsp_len = 17;
+               break;
+
+       case 0x07:
+               *rsp_type = SD_RSP_TYPE_R3;     /* R3 */
+               *rsp_len = 6;
+               break;
+
+       default:
+               return STATUS_FAIL;
+       }
+
+       return STATUS_SUCCESS;
+}
+
+int soft_reset_sd_card(struct rts51x_chip *chip)
+{
+       return reset_sd(chip);
+}
+
+int ext_sd_send_cmd_get_rsp(struct rts51x_chip *chip, u8 cmd_idx,
+                           u32 arg, u8 rsp_type, u8 *rsp, int rsp_len,
+                           int special_check)
+{
+       int retval;
+       int timeout = 50;
+       u16 reg_addr;
+       u8 buf[17], stat;
+       int len = 2;
+       int rty_cnt = 0;
+
+       RTS51X_DEBUGP("EXT SD/MMC CMD %d\n", cmd_idx);
+
+       if (rsp_type == SD_RSP_TYPE_R1b)
+               timeout = 3000;
+
+RTY_SEND_CMD:
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF, 0x40 | cmd_idx);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF, (u8) (arg >> 24));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF, (u8) (arg >> 16));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF, (u8) (arg >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8) arg);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE,
+                      0x01, PINGPONG_BUFFER);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER,
+                      0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER, SD_TRANSFER_END,
+                      SD_TRANSFER_END);
+
+       rts51x_add_cmd(chip, READ_REG_CMD, SD_STAT1, 0, 0);
+
+       if (CHECK_USB(chip, USB_20)) {
+               if (rsp_type == SD_RSP_TYPE_R2) {
+                       for (reg_addr = PPBUF_BASE2;
+                            reg_addr < PPBUF_BASE2 + 16; reg_addr++) {
+                               rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0,
+                                              0);
+                       }
+                       len = 19;
+               } else if (rsp_type != SD_RSP_TYPE_R0) {
+                       /* Read data from SD_CMDx registers */
+                       for (reg_addr = SD_CMD0; reg_addr <= SD_CMD4;
+                            reg_addr++) {
+                               rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0,
+                                              0);
+                       }
+                       len = 8;
+               } else {
+                       len = 3;
+               }
+               rts51x_add_cmd(chip, READ_REG_CMD, SD_CMD5, 0, 0);
+       } else {
+               len = 2;
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, len, timeout);
+
+       if (CHECK_SD_TRANS_FAIL(chip, retval)) {
+               rts51x_clear_sd_error(chip);
+
+               if (retval == STATUS_TIMEDOUT) {
+                       if (rsp_type & SD_WAIT_BUSY_END) {
+                               retval = sd_check_data0_status(chip);
+                               if (retval != STATUS_SUCCESS)
+                                       TRACE_RET(chip, retval);
+                       }
+               }
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       if (rsp_type == SD_RSP_TYPE_R0)
+               return STATUS_SUCCESS;
+
+       if (CHECK_USB(chip, USB_20)) {
+               rts51x_read_rsp_buf(chip, 2, buf, len - 2);
+       } else {
+               if (rsp_type == SD_RSP_TYPE_R2) {
+                       reg_addr = PPBUF_BASE2;
+                       len = 16;
+               } else {
+                       reg_addr = SD_CMD0;
+                       len = 5;
+               }
+               retval =
+                   rts51x_seq_read_register(chip, reg_addr,
+                                                    (unsigned short)len, buf);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               RTS51X_READ_REG(chip, SD_CMD5, buf + len);
+       }
+       stat = chip->rsp_buf[1];
+
+       if ((buf[0] & 0xC0) != 0)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (!(rsp_type & SD_NO_CHECK_CRC7)) {
+               if (stat & SD_CRC7_ERR) {
+                       if (cmd_idx == WRITE_MULTIPLE_BLOCK)
+                               TRACE_RET(chip, STATUS_FAIL);
+                       if (rty_cnt < SD_MAX_RETRY_COUNT) {
+                               wait_timeout(20);
+                               rty_cnt++;
+                               goto RTY_SEND_CMD;
+                       } else {
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+       }
+
+       if ((cmd_idx == SELECT_CARD) || (cmd_idx == APP_CMD) ||
+           (cmd_idx == SEND_STATUS) || (cmd_idx == STOP_TRANSMISSION)) {
+               if ((cmd_idx != STOP_TRANSMISSION) && (special_check == 0)) {
+                       if (buf[1] & 0x80)
+                               TRACE_RET(chip, STATUS_FAIL);
+               }
+#ifdef SUPPORT_SD_LOCK
+               if (buf[1] & 0x7D) {
+#else
+               if (buf[1] & 0x7F) {
+#endif
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+               if (buf[2] & 0xF8)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               if (cmd_idx == SELECT_CARD) {
+                       if (rsp_type == SD_RSP_TYPE_R2) {
+                               if ((buf[3] & 0x1E) != 0x04)
+                                       TRACE_RET(chip, STATUS_FAIL);
+                       } else if (rsp_type == SD_RSP_TYPE_R2) {
+                               if ((buf[3] & 0x1E) != 0x03)
+                                       TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+       }
+
+       if (rsp && rsp_len)
+               memcpy(rsp, buf, rsp_len);
+
+       return STATUS_SUCCESS;
+}
+
+int ext_sd_get_rsp(struct rts51x_chip *chip, int len, u8 * rsp, u8 rsp_type)
+{
+       int retval, rsp_len;
+       u16 reg_addr;
+
+       if (rsp_type == SD_RSP_TYPE_R0)
+               return STATUS_SUCCESS;
+
+       rts51x_init_cmd(chip);
+
+       if (rsp_type == SD_RSP_TYPE_R2) {
+               for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16;
+                    reg_addr++) {
+                       rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0);
+               }
+               rsp_len = 17;
+       } else if (rsp_type != SD_RSP_TYPE_R0) {
+               for (reg_addr = SD_CMD0; reg_addr <= SD_CMD4; reg_addr++)
+                       rts51x_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0);
+               rsp_len = 6;
+       }
+       rts51x_add_cmd(chip, READ_REG_CMD, SD_CMD5, 0xFF, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, rsp_len, 100);
+
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (rsp) {
+               int min_len = (rsp_len < len) ? rsp_len : len;
+
+               memcpy(rsp, rts51x_get_rsp_data(chip), min_len);
+
+               RTS51X_DEBUGP("min_len = %d\n", min_len);
+               RTS51X_DEBUGP("Response in cmd buf: 0x%x 0x%x 0x%x 0x%x\n",
+                              rsp[0], rsp[1], rsp[2], rsp[3]);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+int ext_sd_execute_no_data(struct rts51x_chip *chip, unsigned int lun,
+                          u8 cmd_idx, u8 standby, u8 acmd, u8 rsp_code,
+                          u32 arg)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval, rsp_len;
+       u8 rsp_type;
+
+       retval = sd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, TRANSPORT_FAILED);
+
+       if (sd_card->pre_cmd_err) {
+               sd_card->pre_cmd_err = 0;
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       sd_card->last_rsp_type = rsp_type;
+
+       retval = sd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, TRANSPORT_FAILED);
+#ifdef SUPPORT_SD_LOCK
+       if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
+               if (CHK_MMC_8BIT(sd_card)) {
+                       retval =
+                           rts51x_write_register(chip, SD_CFG1, 0x03,
+                                                 SD_BUS_WIDTH_8);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) {
+                       retval =
+                           rts51x_write_register(chip, SD_CFG1, 0x03,
+                                                 SD_BUS_WIDTH_4);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+       }
+#else
+       /* Set H/W SD/MMC Bus Width */
+       rts51x_write_register(chip, SD_CFG1, 0x03, SD_BUS_WIDTH_4);
+#endif
+
+       if (standby) {
+               retval = sd_select_card(chip, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
+       }
+
+       if (acmd) {
+               retval =
+                   ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
+       }
+
+       retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type,
+                                        sd_card->rsp, rsp_len, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
+
+       if (standby) {
+               retval = sd_select_card(chip, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
+       }
+#ifdef SUPPORT_SD_LOCK
+       /* Get SD lock status */
+       retval = sd_update_lock_status(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_GOTO(chip, SD_Execute_Cmd_Failed);
+#endif
+
+       return TRANSPORT_GOOD;
+
+SD_Execute_Cmd_Failed:
+       sd_card->pre_cmd_err = 1;
+       set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
+       release_sd_card(chip);
+       do_reset_sd_card(chip);
+       if (!(chip->card_ready & SD_CARD))
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+
+       TRACE_RET(chip, TRANSPORT_FAILED);
+}
+
+int ext_sd_execute_read_data(struct rts51x_chip *chip, unsigned int lun,
+                            u8 cmd_idx, u8 cmd12, u8 standby,
+                            u8 acmd, u8 rsp_code, u32 arg, u32 data_len,
+                            void *data_buf, unsigned int buf_len, int use_sg)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval, rsp_len, i;
+       int cmd13_checkbit = 0, read_err = 0;
+       u8 rsp_type, bus_width;
+
+       if (sd_card->pre_cmd_err) {
+               sd_card->pre_cmd_err = 0;
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       retval = sd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+       retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       sd_card->last_rsp_type = rsp_type;
+
+       retval = sd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, TRANSPORT_FAILED);
+#ifdef SUPPORT_SD_LOCK
+       if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
+               if (CHK_MMC_8BIT(sd_card))
+                       bus_width = SD_BUS_WIDTH_8;
+               else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card))
+                       bus_width = SD_BUS_WIDTH_4;
+               else
+                       bus_width = SD_BUS_WIDTH_1;
+       } else {
+               bus_width = SD_BUS_WIDTH_4;
+       }
+       RTS51X_DEBUGP("bus_width = %d\n", bus_width);
+#else
+       bus_width = SD_BUS_WIDTH_4;
+#endif
+
+       if (data_len < 512) {
+               retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len,
+                                                SD_RSP_TYPE_R1, NULL, 0, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+       }
+
+       if (standby) {
+               retval = sd_select_card(chip, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+       }
+
+       if (acmd) {
+               retval =
+                   ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+       }
+
+       if (data_len <= 512) {
+               int min_len;
+               u8 *buf;
+               u16 byte_cnt, blk_cnt;
+               u8 cmd[5];
+               unsigned int offset = 0;
+               void *sg = NULL;
+
+               byte_cnt = (u16) (data_len & 0x3FF);
+               blk_cnt = 1;
+
+               cmd[0] = 0x40 | cmd_idx;
+               cmd[1] = (u8) (arg >> 24);
+               cmd[2] = (u8) (arg >> 16);
+               cmd[3] = (u8) (arg >> 8);
+               cmd[4] = (u8) arg;
+
+               buf = kmalloc(data_len, GFP_KERNEL);
+               if (buf == NULL)
+                       TRACE_RET(chip, TRANSPORT_ERROR);
+
+               retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, byte_cnt,
+                                     blk_cnt, bus_width, buf, data_len, 2000);
+               if (retval != STATUS_SUCCESS) {
+                       read_err = 1;
+                       kfree(buf);
+                       rts51x_write_register(chip, CARD_STOP,
+                                             SD_STOP | SD_CLR_ERR,
+                                             SD_STOP | SD_CLR_ERR);
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+               }
+
+               min_len = min(data_len, buf_len);
+               if (use_sg)
+                       rts51x_access_sglist(buf, min_len, (void *)data_buf,
+                                            &sg, &offset, TO_XFER_BUF);
+               else
+                       memcpy(data_buf, buf, min_len);
+
+               kfree(buf);
+       } else if (!(data_len & 0x1FF)) {
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H,
+                              0xFF, (u8) (data_len >> 17));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L,
+                              0xFF, (u8) ((data_len & 0x0001FE00) >> 9));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD0, 0xFF,
+                              0x40 | cmd_idx);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD1, 0xFF,
+                              (u8) (arg >> 24));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD2, 0xFF,
+                              (u8) (arg >> 16));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD3, 0xFF,
+                              (u8) (arg >> 8));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CMD4, 0xFF, (u8) arg);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG1, 0x03, bus_width);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_CFG2, 0xFF, rsp_type);
+               trans_dma_enable(DMA_FROM_DEVICE, chip, data_len, DMA_512);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                              SD_TM_AUTO_READ_2 | SD_TRANSFER_START);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER,
+                              SD_TRANSFER_END, SD_TRANSFER_END);
+               retval = rts51x_send_cmd(chip, MODE_CDIR, 100);
+               if (retval != STATUS_SUCCESS) {
+                       read_err = 1;
+                       rts51x_ep0_write_register(chip, CARD_STOP,
+                                                 SD_STOP | SD_CLR_ERR,
+                                                 SD_STOP | SD_CLR_ERR);
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+               }
+
+               retval =
+                   rts51x_transfer_data_rcc(chip, RCV_BULK_PIPE(chip),
+                                            data_buf, buf_len, use_sg, NULL,
+                                            10000, STAGE_DI);
+               if (retval != STATUS_SUCCESS) {
+                       read_err = 1;
+                       rts51x_ep0_write_register(chip, CARD_STOP,
+                                                 SD_STOP | SD_CLR_ERR,
+                                                 SD_STOP | SD_CLR_ERR);
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+               }
+               retval = rts51x_get_rsp(chip, 1, 500);
+               if (CHECK_SD_TRANS_FAIL(chip, retval)) {
+                       read_err = 1;
+                       rts51x_ep0_write_register(chip, CARD_STOP,
+                                                 SD_STOP | SD_CLR_ERR,
+                                                 SD_STOP | SD_CLR_ERR);
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+               }
+       } else {
+               TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+       }
+
+       retval = ext_sd_get_rsp(chip, rsp_len, sd_card->rsp, rsp_type);
+       if (retval != STATUS_SUCCESS)
+               TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+
+       if (standby) {
+               retval = sd_select_card(chip, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+       }
+
+       if (cmd12) {
+               retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION,
+                                                0, SD_RSP_TYPE_R1b, NULL, 0,
+                                                0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+       }
+
+       if (data_len < 512) {
+               retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200,
+                                                SD_RSP_TYPE_R1, NULL, 0, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+
+               rts51x_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02);
+               rts51x_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00);
+       }
+
+       if (standby || cmd12)
+               cmd13_checkbit = 1;
+
+       for (i = 0; i < 3; i++) {
+               retval =
+                   ext_sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0,
+                                           cmd13_checkbit);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (retval != STATUS_SUCCESS)
+               TRACE_GOTO(chip, SD_Execute_Read_Cmd_Failed);
+
+       return TRANSPORT_GOOD;
+
+SD_Execute_Read_Cmd_Failed:
+       sd_card->pre_cmd_err = 1;
+       set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
+       if (read_err)
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+       release_sd_card(chip);
+       do_reset_sd_card(chip);
+       if (!(chip->card_ready & SD_CARD))
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+
+       TRACE_RET(chip, TRANSPORT_FAILED);
+}
+
+int ext_sd_execute_write_data(struct rts51x_chip *chip, unsigned int lun,
+                             u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd,
+                             u8 rsp_code, u32 arg, u32 data_len,
+                             void *data_buf, unsigned int buf_len, int use_sg)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval, rsp_len;
+       int cmd13_checkbit = 0, write_err = 0;
+       u8 rsp_type;
+       u32 i;
+#ifdef SUPPORT_SD_LOCK
+       int lock_cmd_fail = 0;
+       u8 sd_lock_state = 0;
+       u8 lock_cmd_type = 0;
+#endif
+
+       if (sd_card->pre_cmd_err) {
+               sd_card->pre_cmd_err = 0;
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       retval = sd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+#ifdef SUPPORT_SD_LOCK
+       if (cmd_idx == LOCK_UNLOCK) {
+               sd_lock_state = sd_card->sd_lock_status;
+               sd_lock_state &= SD_LOCKED;
+       }
+#endif
+
+       retval = get_rsp_type(rsp_code, &rsp_type, &rsp_len);
+       if (retval != STATUS_SUCCESS) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+       sd_card->last_rsp_type = rsp_type;
+
+       retval = sd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, TRANSPORT_FAILED);
+#ifdef SUPPORT_SD_LOCK
+       if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
+               if (CHK_MMC_8BIT(sd_card)) {
+                       retval =
+                           rts51x_write_register(chip, SD_CFG1, 0x03,
+                                                 SD_BUS_WIDTH_8);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               } else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) {
+                       retval =
+                           rts51x_write_register(chip, SD_CFG1, 0x03,
+                                                 SD_BUS_WIDTH_4);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+       }
+#else
+       rts51x_write_register(chip, SD_CFG1, 0x03, SD_BUS_WIDTH_4);
+#endif
+
+       if (data_len < 512) {
+               retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len,
+                                                SD_RSP_TYPE_R1, NULL, 0, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+       }
+
+       if (standby) {
+               retval = sd_select_card(chip, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+       }
+
+       if (acmd) {
+               retval =
+                   ext_sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+       }
+
+       retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type,
+                                        sd_card->rsp, rsp_len, 0);
+       if (retval != STATUS_SUCCESS)
+               TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+
+       if (data_len <= 512) {
+               u8 *buf;
+               unsigned int offset = 0;
+               void *sg = NULL;
+
+               buf = kmalloc(data_len, GFP_KERNEL);
+               if (buf == NULL)
+                       TRACE_RET(chip, TRANSPORT_ERROR);
+
+               if (use_sg)
+                       rts51x_access_sglist(buf, data_len, (void *)data_buf,
+                                            &sg, &offset, FROM_XFER_BUF);
+               else
+                       memcpy(buf, data_buf, data_len);
+
+#ifdef SUPPORT_SD_LOCK
+               if (cmd_idx == LOCK_UNLOCK)
+                       lock_cmd_type = buf[0] & 0x0F;
+#endif
+
+               if (data_len > 256) {
+                       rts51x_init_cmd(chip);
+                       for (i = 0; i < 256; i++) {
+                               rts51x_add_cmd(chip, WRITE_REG_CMD,
+                                              (u16) (PPBUF_BASE2 + i), 0xFF,
+                                              buf[i]);
+                       }
+                       retval = rts51x_send_cmd(chip, MODE_C, 250);
+                       if (retval != STATUS_SUCCESS) {
+                               kfree(buf);
+                               TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+                       }
+
+                       rts51x_init_cmd(chip);
+                       for (i = 256; i < data_len; i++) {
+                               rts51x_add_cmd(chip, WRITE_REG_CMD,
+                                              (u16) (PPBUF_BASE2 + i), 0xFF,
+                                              buf[i]);
+                       }
+                       retval = rts51x_send_cmd(chip, MODE_C, 250);
+                       if (retval != STATUS_SUCCESS) {
+                               kfree(buf);
+                               TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+                       }
+               } else {
+                       rts51x_init_cmd(chip);
+                       for (i = 0; i < data_len; i++) {
+                               rts51x_add_cmd(chip, WRITE_REG_CMD,
+                                              (u16) (PPBUF_BASE2 + i), 0xFF,
+                                              buf[i]);
+                       }
+                       retval = rts51x_send_cmd(chip, MODE_C, 250);
+                       if (retval != STATUS_SUCCESS) {
+                               kfree(buf);
+                               TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+                       }
+               }
+
+               kfree(buf);
+
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF,
+                              (u8) ((data_len >> 8) & 0x03));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF,
+                              (u8) data_len);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H, 0xFF, 0x00);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L, 0xFF, 0x01);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                              PINGPONG_BUFFER);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                              SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER,
+                              SD_TRANSFER_END, SD_TRANSFER_END);
+
+               retval = rts51x_send_cmd(chip, MODE_CR, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+
+               retval = rts51x_get_rsp(chip, 1, 250);
+               if (CHECK_SD_TRANS_FAIL(chip, retval))
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+       } else if (!(data_len & 0x1FF)) {
+               rts51x_init_cmd(chip);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_H, 0xFF, 0x02);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BYTE_CNT_L, 0xFF, 0x00);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_H,
+                              0xFF, (u8) (data_len >> 17));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_BLOCK_CNT_L,
+                              0xFF, (u8) ((data_len & 0x0001FE00) >> 9));
+
+               trans_dma_enable(DMA_TO_DEVICE, chip, data_len, DMA_512);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, SD_TRANSFER, 0xFF,
+                              SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, SD_TRANSFER,
+                              SD_TRANSFER_END, SD_TRANSFER_END);
+
+               retval = rts51x_send_cmd(chip, MODE_CDOR, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+
+               retval =
+                   rts51x_transfer_data_rcc(chip, SND_BULK_PIPE(chip),
+                                            data_buf, buf_len, use_sg, NULL,
+                                            10000, STAGE_DO);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+
+               retval = rts51x_get_rsp(chip, 1, 10000);
+               if (CHECK_SD_TRANS_FAIL(chip, retval))
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+
+       } else {
+               TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+       }
+
+       if (retval < 0) {
+               write_err = 1;
+               rts51x_write_register(chip, CARD_STOP, SD_STOP | SD_CLR_ERR,
+                                     SD_STOP | SD_CLR_ERR);
+               TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+       }
+#ifdef SUPPORT_SD_LOCK
+       if (cmd_idx == LOCK_UNLOCK) {
+               if (lock_cmd_type == SD_ERASE) {
+                       sd_card->sd_erase_status = SD_UNDER_ERASING;
+                       scsi_set_resid(srb, 0);
+                       return TRANSPORT_GOOD;
+               }
+
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, SD_BUS_STAT, SD_DAT0_STATUS,
+                              SD_DAT0_STATUS);
+               retval = rts51x_send_cmd(chip, MODE_CR, 250);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+               rts51x_get_rsp(chip, 1, 200); /* Don't care return value */
+
+               retval = sd_update_lock_status(chip);
+               if (retval != STATUS_SUCCESS) {
+                       RTS51X_DEBUGP("Lock command fail!\n");
+                       lock_cmd_fail = 1;
+               }
+       }
+#endif /* SUPPORT_SD_LOCK */
+
+       if (standby) {
+               retval = sd_select_card(chip, 1);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+       }
+
+       if (cmd12) {
+               retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION,
+                                                0, SD_RSP_TYPE_R1b, NULL, 0,
+                                                0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+       }
+
+       if (data_len < 512) {
+               retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200,
+                                                SD_RSP_TYPE_R1, NULL, 0, 0);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+
+               rts51x_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02);
+               rts51x_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00);
+       }
+
+       if (cmd12 || standby) {
+               /* There is CMD7 or CMD12 sent before CMD13 */
+               cmd13_checkbit = 1;
+       }
+
+       for (i = 0; i < 3; i++) {
+               retval =
+                   ext_sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
+                                           SD_RSP_TYPE_R1, NULL, 0,
+                                           cmd13_checkbit);
+               if (retval == STATUS_SUCCESS)
+                       break;
+       }
+       if (retval != STATUS_SUCCESS)
+               TRACE_GOTO(chip, SD_Execute_Write_Cmd_Failed);
+#ifdef SUPPORT_SD_LOCK
+       if (cmd_idx == LOCK_UNLOCK) {
+               if (!lock_cmd_fail) {
+                       RTS51X_DEBUGP("lock_cmd_type = 0x%x\n",
+                                      lock_cmd_type);
+                       if (lock_cmd_type & SD_CLR_PWD)
+                               sd_card->sd_lock_status &= ~SD_PWD_EXIST;
+                       if (lock_cmd_type & SD_SET_PWD)
+                               sd_card->sd_lock_status |= SD_PWD_EXIST;
+               }
+
+               RTS51X_DEBUGP("sd_lock_state = 0x%x,"
+                               "sd_card->sd_lock_status = 0x%x\n",
+                               sd_lock_state, sd_card->sd_lock_status);
+               if (sd_lock_state ^ (sd_card->sd_lock_status & SD_LOCKED)) {
+                       sd_card->sd_lock_notify = 1;
+                       if (sd_lock_state) {
+                               if (sd_card->sd_lock_status &
+                                               SD_LOCK_1BIT_MODE) {
+                                       sd_card->sd_lock_status |=
+                                           (SD_UNLOCK_POW_ON | SD_SDR_RST);
+                                       if (CHK_SD(sd_card)) {
+                                               retval = reset_sd(chip);
+                                               if (retval != STATUS_SUCCESS) {
+                                                       sd_card->sd_lock_status
+                                                       &= ~(SD_UNLOCK_POW_ON |
+                                                             SD_SDR_RST);
+                                                       TRACE_GOTO(chip,
+                                                                  SD_Execute_Write_Cmd_Failed);
+                                               }
+                                       }
+
+                                       sd_card->sd_lock_status &=
+                                           ~(SD_UNLOCK_POW_ON | SD_SDR_RST);
+                               }
+                       }
+               }
+       }
+
+       if (lock_cmd_fail) {
+               scsi_set_resid(srb, 0);
+               set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+#endif /* SUPPORT_SD_LOCK */
+
+       return TRANSPORT_GOOD;
+
+SD_Execute_Write_Cmd_Failed:
+       sd_card->pre_cmd_err = 1;
+       set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
+       if (write_err)
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
+       release_sd_card(chip);
+       do_reset_sd_card(chip);
+       if (!(chip->card_ready & SD_CARD))
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+
+       TRACE_RET(chip, TRANSPORT_FAILED);
+}
+
+int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int len;
+       u8 buf[18] = {
+               0x00,
+               0x00,
+               0x00,
+               0x0E,
+               0x00,           /* Version Number */
+               0x00,           /* WP | Media Type */
+               0x00,           /* RCA (Low byte) */
+               0x00,           /* RCA (High byte) */
+               0x53,           /* 'S' */
+               0x44,           /* 'D' */
+               0x20,           /* ' ' */
+               0x43,           /* 'C' */
+               0x61,           /* 'a' */
+               0x72,           /* 'r' */
+               0x64,           /* 'd' */
+               0x00,           /* Max LUN Number */
+               0x00,
+               0x00,
+       };
+
+       sd_card->pre_cmd_err = 0;
+
+       if (!(CHK_BIT(chip->lun_mc, lun))) {
+               SET_BIT(chip->lun_mc, lun);
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if ((0x53 != srb->cmnd[2]) || (0x44 != srb->cmnd[3])
+           || (0x20 != srb->cmnd[4]) || (0x43 != srb->cmnd[5])
+           || (0x61 != srb->cmnd[6]) || (0x72 != srb->cmnd[7])
+           || (0x64 != srb->cmnd[8])) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       switch (srb->cmnd[1] & 0x0F) {
+       case 0:
+               sd_card->sd_pass_thru_en = 0;
+               break;
+
+       case 1:
+               sd_card->sd_pass_thru_en = 1;
+               break;
+
+       default:
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       /* 0x01:SD Memory Card; 0x02:Other Media; 0x03:Illegal Media; */
+       buf[5] = (1 == CHK_SD(sd_card)) ? 0x01 : 0x02;
+       if (chip->card_wp & SD_CARD)
+               buf[5] |= 0x80;
+
+       buf[6] = (u8) (sd_card->sd_addr >> 16);
+       buf[7] = (u8) (sd_card->sd_addr >> 24);
+
+       buf[15] = chip->max_lun;
+
+       len = min(18, (int)scsi_bufflen(srb));
+       rts51x_set_xfer_buf(buf, len, srb);
+
+       return TRANSPORT_GOOD;
+}
+
+int sd_execute_no_data(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int retval;
+       u8 cmd_idx, rsp_code;
+       u8 standby = 0, acmd = 0;
+       u32 arg;
+
+       if (!sd_card->sd_pass_thru_en) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       cmd_idx = srb->cmnd[2] & 0x3F;
+       if (srb->cmnd[1] & 0x02)
+               standby = 1;
+       if (srb->cmnd[1] & 0x01)
+               acmd = 1;
+
+       arg = ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) |
+           ((u32) srb->cmnd[5] << 8) | srb->cmnd[6];
+
+       rsp_code = srb->cmnd[10];
+
+       retval =
+           ext_sd_execute_no_data(chip, lun, cmd_idx, standby, acmd, rsp_code,
+                                  arg);
+       scsi_set_resid(srb, 0);
+       return retval;
+}
+
+int sd_execute_read_data(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 cmd_idx, rsp_code, send_cmd12 = 0, standby = 0, acmd = 0;
+       u32 arg, data_len;
+
+       if (!sd_card->sd_pass_thru_en) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       cmd_idx = srb->cmnd[2] & 0x3F;
+       if (srb->cmnd[1] & 0x04)
+               send_cmd12 = 1;
+       if (srb->cmnd[1] & 0x02)
+               standby = 1;
+       if (srb->cmnd[1] & 0x01)
+               acmd = 1;
+
+       arg = ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) |
+           ((u32) srb->cmnd[5] << 8) | srb->cmnd[6];
+
+       data_len =
+           ((u32) srb->cmnd[7] << 16) | ((u32) srb->cmnd[8] << 8) |
+           srb->cmnd[9];
+       rsp_code = srb->cmnd[10];
+
+       retval =
+           ext_sd_execute_read_data(chip, lun, cmd_idx, send_cmd12, standby,
+                                    acmd, rsp_code, arg, data_len,
+                                    scsi_sglist(srb), scsi_bufflen(srb),
+                                    scsi_sg_count(srb));
+       scsi_set_resid(srb, 0);
+       return retval;
+}
+
+int sd_execute_write_data(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       int retval;
+       unsigned int lun = SCSI_LUN(srb);
+       u8 cmd_idx, rsp_code, send_cmd12 = 0, standby = 0, acmd = 0;
+       u32 data_len, arg;
+
+       if (!sd_card->sd_pass_thru_en) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       cmd_idx = srb->cmnd[2] & 0x3F;
+       if (srb->cmnd[1] & 0x04)
+               send_cmd12 = 1;
+       if (srb->cmnd[1] & 0x02)
+               standby = 1;
+       if (srb->cmnd[1] & 0x01)
+               acmd = 1;
+
+       data_len =
+           ((u32) srb->cmnd[7] << 16) | ((u32) srb->cmnd[8] << 8) |
+           srb->cmnd[9];
+       arg =
+           ((u32) srb->cmnd[3] << 24) | ((u32) srb->cmnd[4] << 16) |
+           ((u32) srb->cmnd[5] << 8) | srb->cmnd[6];
+       rsp_code = srb->cmnd[10];
+
+       retval =
+           ext_sd_execute_write_data(chip, lun, cmd_idx, send_cmd12, standby,
+                                     acmd, rsp_code, arg, data_len,
+                                     scsi_sglist(srb), scsi_bufflen(srb),
+                                     scsi_sg_count(srb));
+       scsi_set_resid(srb, 0);
+       return retval;
+}
+
+int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int count;
+       u16 data_len;
+
+       if (!sd_card->sd_pass_thru_en) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (sd_card->pre_cmd_err) {
+               sd_card->pre_cmd_err = 0;
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       data_len = ((u16) srb->cmnd[7] << 8) | srb->cmnd[8];
+
+       if (sd_card->last_rsp_type == SD_RSP_TYPE_R0) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       } else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2) {
+               count = (data_len < 17) ? data_len : 17;
+       } else {
+               count = (data_len < 6) ? data_len : 6;
+       }
+       rts51x_set_xfer_buf(sd_card->rsp, count, srb);
+
+       RTS51X_DEBUGP("Response length: %d\n", data_len);
+       RTS51X_DEBUGP("Response: 0x%x 0x%x 0x%x 0x%x\n",
+                      sd_card->rsp[0], sd_card->rsp[1], sd_card->rsp[2],
+                      sd_card->rsp[3]);
+
+       scsi_set_resid(srb, 0);
+       return TRANSPORT_GOOD;
+}
+
+int sd_hw_rst(struct scsi_cmnd *srb, struct rts51x_chip *chip)
+{
+       struct sd_info *sd_card = &(chip->sd_card);
+       unsigned int lun = SCSI_LUN(srb);
+       int retval;
+
+       if (!sd_card->sd_pass_thru_en) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if (sd_card->pre_cmd_err) {
+               sd_card->pre_cmd_err = 0;
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       if ((0x53 != srb->cmnd[2]) || (0x44 != srb->cmnd[3])
+           || (0x20 != srb->cmnd[4]) || (0x43 != srb->cmnd[5])
+           || (0x61 != srb->cmnd[6]) || (0x72 != srb->cmnd[7])
+           || (0x64 != srb->cmnd[8])) {
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       switch (srb->cmnd[1] & 0x0F) {
+       case 0:
+               /* SD Card Power Off -> ON and Initialization */
+#ifdef SUPPORT_SD_LOCK
+               if (0x64 == srb->cmnd[9]) {
+                       /* Command Mode */
+                       sd_card->sd_lock_status |= SD_SDR_RST;
+               }
+#endif /* SUPPORT_SD_LOCK */
+               retval = reset_sd_card(chip);
+               if (retval != STATUS_SUCCESS) {
+#ifdef SUPPORT_SD_LOCK
+                       sd_card->sd_lock_status &= ~SD_SDR_RST;
+#endif
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+                       sd_card->pre_cmd_err = 1;
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+#ifdef SUPPORT_SD_LOCK
+               sd_card->sd_lock_status &= ~SD_SDR_RST;
+#endif
+               break;
+
+       case 1:
+               /* reset CMD(CMD0) and Initialization
+                * (without SD Card Power Off -> ON) */
+               retval = soft_reset_sd_card(chip);
+               if (retval != STATUS_SUCCESS) {
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+                       sd_card->pre_cmd_err = 1;
+                       TRACE_RET(chip, TRANSPORT_FAILED);
+               }
+               break;
+
+       default:
+               set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
+               TRACE_RET(chip, TRANSPORT_FAILED);
+       }
+
+       scsi_set_resid(srb, 0);
+       return TRANSPORT_GOOD;
+}
+#endif
diff --git a/drivers/staging/rts5139/sd_cprm.h b/drivers/staging/rts5139/sd_cprm.h
new file mode 100644 (file)
index 0000000..75e263b
--- /dev/null
@@ -0,0 +1,54 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_SD_CPRM_H
+#define __RTS51X_SD_CPRM_H
+
+#include "rts51x_chip.h"
+#include "sd.h"
+
+#ifdef SUPPORT_CPRM
+int ext_sd_execute_no_data(struct rts51x_chip *chip, unsigned int lun,
+                          u8 cmd_idx, u8 standby, u8 acmd, u8 rsp_code,
+                          u32 arg);
+int ext_sd_execute_read_data(struct rts51x_chip *chip, unsigned int lun,
+                            u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd,
+                            u8 rsp_code, u32 arg, u32 data_len, void *data_buf,
+                            unsigned int buf_len, int use_sg);
+int ext_sd_execute_write_data(struct rts51x_chip *chip, unsigned int lun,
+                             u8 cmd_idx, u8 cmd12, u8 standby, u8 acmd,
+                             u8 rsp_code, u32 arg, u32 data_len,
+                             void *data_buf, unsigned int buf_len, int use_sg);
+
+int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_execute_no_data(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_execute_read_data(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_execute_write_data(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+int sd_hw_rst(struct scsi_cmnd *srb, struct rts51x_chip *chip);
+#endif
+
+#endif /* __RTS51X_SD_CPRM_H */
diff --git a/drivers/staging/rts5139/trace.h b/drivers/staging/rts5139/trace.h
new file mode 100644 (file)
index 0000000..0584b8a
--- /dev/null
@@ -0,0 +1,137 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_TRACE_H
+#define __RTS51X_TRACE_H
+
+#include "debug.h"
+
+#define _MSG_TRACE
+
+#ifdef _MSG_TRACE
+static inline char *filename(char *path)
+{
+       char *ptr;
+
+       if (path == NULL)
+               return NULL;
+
+       ptr = path;
+
+       while (*ptr != '\0') {
+               if ((*ptr == '\\') || (*ptr == '/'))
+                       path = ptr + 1;
+               ptr++;
+       }
+
+       return path;
+}
+
+#define TRACE_RET(chip, ret)                                           \
+do {                                                                   \
+       char *_file = filename((char *)__FILE__);                       \
+       RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);    \
+       (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);      \
+       strncpy((chip)->trace_msg[(chip)->msg_idx].func,                \
+                       __func__, MSG_FUNC_LEN-1);                      \
+       strncpy((chip)->trace_msg[(chip)->msg_idx].file,                \
+                       _file, MSG_FILE_LEN-1);                         \
+       get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\
+                       TIME_VAL_LEN);  \
+       (chip)->trace_msg[(chip)->msg_idx].valid = 1;                   \
+       (chip)->msg_idx++;                                              \
+       if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                        \
+               (chip)->msg_idx = 0;                                    \
+       }                                                               \
+       return ret;                                                     \
+} while (0)
+
+#define TRACE_GOTO(chip, label)                                                \
+do {                                                                   \
+       char *_file = filename((char *)__FILE__);                       \
+       RTS51X_DEBUGP("[%s][%s]:[%d]\n", _file, __func__, __LINE__);    \
+       (chip)->trace_msg[(chip)->msg_idx].line = (u16)(__LINE__);      \
+       strncpy((chip)->trace_msg[(chip)->msg_idx].func,                \
+                       __func__, MSG_FUNC_LEN-1);                      \
+       strncpy((chip)->trace_msg[(chip)->msg_idx].file,                \
+                       _file, MSG_FILE_LEN-1);                         \
+       get_current_time((chip)->trace_msg[(chip)->msg_idx].timeval_buf,\
+                       TIME_VAL_LEN);                                  \
+       (chip)->trace_msg[(chip)->msg_idx].valid = 1;                   \
+       (chip)->msg_idx++;                                              \
+       if ((chip)->msg_idx >= TRACE_ITEM_CNT) {                        \
+               (chip)->msg_idx = 0;                                    \
+       }                                                               \
+       goto label;                                                     \
+} while (0)
+#else
+#define TRACE_RET(chip, ret)   return (ret)
+#define TRACE_GOTO(chip, label)        goto label
+#endif
+
+#ifdef CONFIG_RTS5139_DEBUG
+static inline void rts51x_dump(u8 *buf, int buf_len)
+{
+       int i;
+       u8 tmp[16] = { 0 };
+       u8 *_ptr = buf;
+
+       for (i = 0; i < ((buf_len) / 16); i++) {
+               RTS51X_DEBUGP("%02x %02x %02x %02x %02x %02x %02x %02x "
+                              "%02x %02x %02x %02x %02x %02x %02x %02x\n",
+                              _ptr[0], _ptr[1], _ptr[2], _ptr[3], _ptr[4],
+                              _ptr[5], _ptr[6], _ptr[7], _ptr[8], _ptr[9],
+                              _ptr[10], _ptr[11], _ptr[12], _ptr[13], _ptr[14],
+                              _ptr[15]);
+               _ptr += 16;
+       }
+       if ((buf_len) % 16) {
+               memcpy(tmp, _ptr, (buf_len) % 16);
+               _ptr = tmp;
+               RTS51X_DEBUGP("%02x %02x %02x %02x %02x %02x %02x %02x "
+                              "%02x %02x %02x %02x %02x %02x %02x %02x\n",
+                              _ptr[0], _ptr[1], _ptr[2], _ptr[3], _ptr[4],
+                              _ptr[5], _ptr[6], _ptr[7], _ptr[8], _ptr[9],
+                              _ptr[10], _ptr[11], _ptr[12], _ptr[13], _ptr[14],
+                              _ptr[15]);
+       }
+}
+
+#define RTS51X_DUMP(buf, buf_len)      \
+               rts51x_dump((u8 *)(buf), (buf_len))
+
+#define CATCH_TRIGGER(chip)                                    \
+do {                                                           \
+       rts51x_ep0_write_register((chip), 0xFC31, 0x01, 0x01);  \
+       RTS51X_DEBUGP("Catch trigger!\n");                      \
+} while (0)
+
+#else
+#define RTS51X_DUMP(buf, buf_len)
+#define CATCH_TRIGGER(chip)
+#endif
+
+#endif /* __RTS51X_TRACE_H */
diff --git a/drivers/staging/rts5139/xd.c b/drivers/staging/rts5139/xd.c
new file mode 100644 (file)
index 0000000..39c4524
--- /dev/null
@@ -0,0 +1,2254 @@
+/* Driver for Realtek RTS51xx USB card reader
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#include <linux/blkdev.h>
+#include <linux/kthread.h>
+#include <linux/sched.h>
+
+#include "debug.h"
+#include "trace.h"
+#include "rts51x.h"
+#include "rts51x_transport.h"
+#include "rts51x_scsi.h"
+#include "rts51x_card.h"
+#include "xd.h"
+
+static int xd_build_l2p_tbl(struct rts51x_chip *chip, int zone_no);
+static int xd_init_page(struct rts51x_chip *chip, u32 phy_blk, u16 logoff,
+                       u8 start_page, u8 end_page);
+
+static inline void xd_set_err_code(struct rts51x_chip *chip, u8 err_code)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+
+       xd_card->err_code = err_code;
+}
+
+static inline int xd_check_err_code(struct rts51x_chip *chip, u8 err_code)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+
+       return (xd_card->err_code == err_code);
+}
+
+static int xd_set_init_para(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int retval;
+
+       if (chip->asic_code)
+               xd_card->xd_clock = 47;
+       else
+               xd_card->xd_clock = CLK_50;
+
+       retval = switch_clock(chip, xd_card->xd_clock);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_switch_clock(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int retval;
+
+       retval = rts51x_select_card(chip, XD_CARD);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = switch_clock(chip, xd_card->xd_clock);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_read_id(struct rts51x_chip *chip, u8 id_cmd, u8 *id_buf,
+                     u8 buf_len)
+{
+       int retval, i;
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, id_cmd);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_READ_ID);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
+                      XD_TRANSFER_END);
+
+       for (i = 0; i < 4; i++) {
+               rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_ADDRESS1 + i), 0,
+                              0);
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 20);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 5, 20);
+
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       if (id_buf && buf_len) {
+               if (buf_len > 4)
+                       buf_len = 4;
+               rts51x_read_rsp_buf(chip, 1, id_buf, buf_len);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static void xd_assign_phy_addr(struct rts51x_chip *chip, u32 addr, u8 mode)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+
+       switch (mode) {
+       case XD_RW_ADDR:
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF,
+                              (u8) addr);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF,
+                              (u8) (addr >> 8));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS3, 0xFF,
+                              (u8) (addr >> 16));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
+                              xd_card->addr_cycle | XD_CALC_ECC |
+                              XD_BA_NO_TRANSFORM);
+               break;
+
+       case XD_ERASE_ADDR:
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS0, 0xFF,
+                              (u8) addr);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS1, 0xFF,
+                              (u8) (addr >> 8));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_ADDRESS2, 0xFF,
+                              (u8) (addr >> 16));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, 0xFF,
+                              (xd_card->addr_cycle - 1) |
+                              XD_CALC_ECC | XD_BA_NO_TRANSFORM);
+               break;
+
+       default:
+               break;
+       }
+}
+
+static int xd_read_redundant(struct rts51x_chip *chip, u32 page_addr, u8 *buf,
+                            int buf_len)
+{
+       int retval, i;
+
+       rts51x_init_cmd(chip);
+
+       xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_READ_REDUNDANT);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
+                      XD_TRANSFER_END);
+
+       for (i = 0; i < 6; i++) {
+               rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_PAGE_STATUS + i),
+                              0, 0);
+       }
+       for (i = 0; i < 4; i++) {
+               rts51x_add_cmd(chip, READ_REG_CMD, (u16) (XD_RESERVED0 + i), 0,
+                              0);
+       }
+       rts51x_add_cmd(chip, READ_REG_CMD, XD_PARITY, 0, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 11, 500);
+
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       if (buf && buf_len) {
+               if (buf_len > 11)
+                       buf_len = 11;
+               rts51x_read_rsp_buf(chip, 1, buf, buf_len);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_read_data_from_ppb(struct rts51x_chip *chip, int offset, u8 *buf,
+                                int buf_len)
+{
+       int retval, i;
+
+       if (!buf || (buf_len <= 0))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       rts51x_init_cmd(chip);
+
+       for (i = 0; i < buf_len; i++) {
+               rts51x_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + offset + i, 0,
+                              0);
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, buf_len, 200);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       rts51x_read_rsp_buf(chip, 0, buf, buf_len);
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_read_cis(struct rts51x_chip *chip, u32 page_addr, u8 *buf,
+                      int buf_len)
+{
+       int retval;
+       u8 reg;
+
+       if (!buf || (buf_len < 10))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       rts51x_init_cmd(chip);
+
+       xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
+                      XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_READ_PAGES);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
+                      XD_TRANSFER_END | XD_PPB_EMPTY,
+                      XD_TRANSFER_END | XD_PPB_EMPTY);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 1, 500);
+       if (retval == STATUS_TIMEDOUT) {
+               rts51x_clear_xd_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       RTS51X_READ_REG(chip, XD_PAGE_STATUS, &reg);
+       if (reg != XD_GPG) {
+               rts51x_clear_xd_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       RTS51X_READ_REG(chip, XD_CTL, &reg);
+
+       if (!(reg & XD_ECC1_ERROR) || !(reg & XD_ECC1_UNCORRECTABLE)) {
+               retval = xd_read_data_from_ppb(chip, 0, buf, buf_len);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               if (reg & XD_ECC1_ERROR) {      /* correctable error */
+                       u8 ecc_bit, ecc_byte;
+
+                       RTS51X_READ_REG(chip, XD_ECC_BIT1, &ecc_bit);
+                       RTS51X_READ_REG(chip, XD_ECC_BYTE1, &ecc_byte);
+
+                       RTS51X_DEBUGP("ECC_BIT1 = 0x%x, ECC_BYTE1 = 0x%x\n",
+                                      ecc_bit, ecc_byte);
+                       if (ecc_byte < buf_len) {
+                               RTS51X_DEBUGP("Before correct: 0x%x\n",
+                                              buf[ecc_byte]);
+                               buf[ecc_byte] ^= (1 << ecc_bit);
+                               RTS51X_DEBUGP("After correct: 0x%x\n",
+                                              buf[ecc_byte]);
+                       }
+               }
+       } else if (!(reg & XD_ECC2_ERROR) || !(reg & XD_ECC2_UNCORRECTABLE)) {
+               RTS51X_WRITE_REG(chip, CARD_STOP, XD_STOP | XD_CLR_ERR,
+                                XD_STOP | XD_CLR_ERR);
+
+               retval = xd_read_data_from_ppb(chip, 256, buf, buf_len);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+               if (reg & XD_ECC2_ERROR) {
+                       u8 ecc_bit, ecc_byte;
+
+                       RTS51X_READ_REG(chip, XD_ECC_BIT2, &ecc_bit);
+                       RTS51X_READ_REG(chip, XD_ECC_BYTE2, &ecc_byte);
+
+                       RTS51X_DEBUGP("ECC_BIT2 = 0x%x, ECC_BYTE2 = 0x%x\n",
+                                      ecc_bit, ecc_byte);
+                       if (ecc_byte < buf_len) {
+                               RTS51X_DEBUGP("Before correct: 0x%x\n",
+                                              buf[ecc_byte]);
+                               buf[ecc_byte] ^= (1 << ecc_bit);
+                               RTS51X_DEBUGP("After correct: 0x%x\n",
+                                              buf[ecc_byte]);
+                       }
+               }
+       } else {
+               rts51x_clear_xd_error(chip);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static void xd_pull_ctl_disable(struct rts51x_chip *chip)
+{
+       if (CHECK_PKG(chip, LQFP48)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0x65);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x56);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
+       }
+}
+
+static void xd_pull_ctl_enable(struct rts51x_chip *chip)
+{
+       if (CHECK_PKG(chip, LQFP48)) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xAA);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0xA5);
+       } else {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, 0xA5);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, 0x59);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, 0x95);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, 0x55);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, 0x59);
+       }
+}
+
+static int reset_xd(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int retval, i, j;
+       u8 id_buf[4], redunt[11];
+
+       retval = rts51x_select_card(chip, XD_CARD);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS, 0xFF,
+                      XD_PGSTS_NOT_FF);
+       if (chip->asic_code)
+               xd_pull_ctl_disable(chip);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
+                              (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN3));
+
+       if (!chip->option.FT2_fast_mode) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_INIT, XD_NO_AUTO_PWR_OFF,
+                              0);
+               if (CHECK_PKG(chip, LQFP48) ||
+                               chip->option.rts5129_D3318_off_enable) {
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL,
+                                      DV3318_AUTO_PWR_OFF,
+                                      DV3318_AUTO_PWR_OFF);
+               }
+       }
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0);
+       if (!chip->option.FT2_fast_mode) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       if (!chip->option.FT2_fast_mode) {
+#ifdef SD_XD_IO_FOLLOW_PWR
+               if (CHECK_PKG(chip, LQFP48)
+                   || chip->option.rts5129_D3318_off_enable) {
+                       rts51x_write_register(chip, CARD_PWR_CTL,
+                                       LDO_OFF, LDO_OFF);
+               }
+#endif
+
+               wait_timeout(250);
+
+#ifdef SD_XD_IO_FOLLOW_PWR
+               if (CHECK_PKG(chip, LQFP48)
+                   || chip->option.rts5129_D3318_off_enable) {
+                       rts51x_init_cmd(chip);
+                       if (chip->asic_code) {
+                               xd_pull_ctl_enable(chip);
+                       } else {
+                               rts51x_add_cmd(chip, WRITE_REG_CMD,
+                                       FPGA_PULL_CTL, 0xFF,
+                                       (FPGA_XD_PULL_CTL_EN1 &
+                                               FPGA_XD_PULL_CTL_EN2));
+                       }
+                       retval = rts51x_send_cmd(chip, MODE_C, 100);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, STATUS_FAIL);
+               }
+#endif
+
+               retval = card_power_on(chip, XD_CARD);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+#ifdef SUPPORT_OCP
+               wait_timeout(50);
+               rts51x_get_card_status(chip, &(chip->card_status));
+               chip->ocp_stat = (chip->card_status >> 4) & 0x03;
+
+               if (chip->ocp_stat & (MS_OCP_NOW | MS_OCP_EVER)) {
+                       RTS51X_DEBUGP("Over current, OCPSTAT is 0x%x\n",
+                                      chip->ocp_stat);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+#endif
+       }
+
+       rts51x_init_cmd(chip);
+
+       if (chip->asic_code)
+               xd_pull_ctl_enable(chip);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF,
+                              (FPGA_XD_PULL_CTL_EN1 & FPGA_XD_PULL_CTL_EN2));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN,
+                      XD_OUTPUT_EN);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CTL, XD_CE_DISEN, XD_CE_DISEN);
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if (!chip->option.FT2_fast_mode)
+               wait_timeout(200);
+
+       retval = xd_set_init_para(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+       /* Read ID to check if the timing setting is right */
+       for (i = 0; i < 4; i++) {
+               u8 xd_dat, xd_ctl;
+
+               if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               rts51x_init_cmd(chip);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DTCTL, 0xFF,
+                       XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP *
+                       (2 + i + chip->option.xd_rw_step)
+                       + XD_TIME_RWN_STEP * (i + chip->option.xd_rwn_step));
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CATCTL, 0xFF,
+                       XD_TIME_SETUP_STEP * 3 + XD_TIME_RW_STEP * (4 +
+                       i) + XD_TIME_RWN_STEP * (3 + i));
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                              XD_TRANSFER_START | XD_RESET);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
+                              XD_TRANSFER_END, XD_TRANSFER_END);
+
+               rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
+               rts51x_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
+
+               retval = rts51x_send_cmd(chip, MODE_CR, 100);
+               if (retval != STATUS_SUCCESS) {
+                       rts51x_clear_xd_error(chip);
+                       TRACE_RET(chip, retval);
+               }
+
+               retval = rts51x_get_rsp(chip, 3, 100);
+               if (retval != STATUS_SUCCESS) {
+                       rts51x_clear_xd_error(chip);
+                       TRACE_RET(chip, retval);
+               }
+
+               xd_dat = chip->rsp_buf[1];
+               xd_ctl = chip->rsp_buf[2];
+               RTS51X_DEBUGP("XD_DAT: 0x%x, XD_CTL: 0x%x\n", xd_dat, xd_ctl);
+
+               if (((xd_dat & READY_FLAG) != READY_STATE)
+                   || !(xd_ctl & XD_RDY))
+                       continue;
+
+               retval = xd_read_id(chip, READ_ID, id_buf, 4);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               RTS51X_DEBUGP("READ_ID: 0x%x 0x%x 0x%x 0x%x\n",
+                              id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
+
+               xd_card->device_code = id_buf[1];
+
+               switch (xd_card->device_code) {
+               case XD_4M_X8_512_1:
+               case XD_4M_X8_512_2:
+                       xd_card->block_shift = 4;       /* 16 pages per block */
+                       xd_card->page_off = 0x0F;
+                       xd_card->addr_cycle = 3;
+                       xd_card->zone_cnt = 1;
+                       xd_card->capacity = 8000;       /* 500 * 2 ^ 4 */
+                       XD_SET_4MB(xd_card);
+                       break;
+               case XD_8M_X8_512:
+                       xd_card->block_shift = 4;
+                       xd_card->page_off = 0x0F;
+                       xd_card->addr_cycle = 3;
+                       xd_card->zone_cnt = 1;
+                       xd_card->capacity = 16000;      /* 1000 * 2 ^ 4 */
+                       break;
+               case XD_16M_X8_512:
+                       XD_PAGE_512(xd_card);   /* 32 pages per block */
+                       xd_card->addr_cycle = 3;
+                       xd_card->zone_cnt = 1;
+                       xd_card->capacity = 32000;      /* 1000 * 2 ^ 5 */
+                       break;
+               case XD_32M_X8_512:
+                       XD_PAGE_512(xd_card);
+                       xd_card->addr_cycle = 3;
+                       xd_card->zone_cnt = 2;
+                       xd_card->capacity = 64000;      /* 2000 * 2 ^ 5 */
+                       break;
+               case XD_64M_X8_512:
+                       XD_PAGE_512(xd_card);
+                       xd_card->addr_cycle = 4;
+                       xd_card->zone_cnt = 4;
+                       xd_card->capacity = 128000;     /* 4000 * 2 ^ 5 */
+                       break;
+               case XD_128M_X8_512:
+                       XD_PAGE_512(xd_card);
+                       xd_card->addr_cycle = 4;
+                       xd_card->zone_cnt = 8;
+                       xd_card->capacity = 256000;     /* 8000 * 2 ^ 5 */
+                       break;
+               case XD_256M_X8_512:
+                       XD_PAGE_512(xd_card);
+                       xd_card->addr_cycle = 4;
+                       xd_card->zone_cnt = 16;
+                       xd_card->capacity = 512000;     /* 16000 * 2 ^ 5 */
+                       break;
+               case XD_512M_X8:
+                       XD_PAGE_512(xd_card);
+                       xd_card->addr_cycle = 4;
+                       xd_card->zone_cnt = 32;
+                       xd_card->capacity = 1024000;    /* 32000 * 2 ^ 5 */
+                       break;
+               case xD_1G_X8_512:
+                       XD_PAGE_512(xd_card);
+                       xd_card->addr_cycle = 4;
+                       xd_card->zone_cnt = 64;
+                       xd_card->capacity = 2048000;    /* 64000 * 2 ^ 5 */
+                       break;
+               case xD_2G_X8_512:
+                       XD_PAGE_512(xd_card);
+                       xd_card->addr_cycle = 4;
+                       xd_card->zone_cnt = 128;
+                       xd_card->capacity = 4096000;    /* 128000 * 2 ^ 5 */
+                       break;
+               default:
+                       continue;
+               }
+
+               /* Confirm timing setting */
+               for (j = 0; j < 10; j++) {
+                       retval = xd_read_id(chip, READ_ID, id_buf, 4);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+
+                       if (id_buf[1] != xd_card->device_code)
+                               break;
+               }
+
+               /* Current timing pass */
+               if (j == 10)
+                       break;
+       }
+
+       if (i == 4) {
+               xd_card->block_shift = 0;
+               xd_card->page_off = 0;
+               xd_card->addr_cycle = 0;
+               xd_card->capacity = 0;
+
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       retval = xd_read_id(chip, READ_xD_ID, id_buf, 4);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+       RTS51X_DEBUGP("READ_xD_ID: 0x%x 0x%x 0x%x 0x%x\n",
+                      id_buf[0], id_buf[1], id_buf[2], id_buf[3]);
+       if (id_buf[2] != XD_ID_CODE)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       /* Search CIS block */
+       for (i = 0; i < 24; i++) {
+               u32 page_addr;
+
+               if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST)
+                       TRACE_RET(chip, STATUS_FAIL);
+
+               page_addr = (u32) i << xd_card->block_shift;
+
+               for (j = 0; j < 3; j++) {
+                       retval = xd_read_redundant(chip, page_addr, redunt, 11);
+                       if (retval == STATUS_SUCCESS)
+                               break;
+               }
+               if (j == 3)
+                       continue;
+
+               if (redunt[BLOCK_STATUS] != XD_GBLK)
+                       continue;
+
+               j = 0;
+               /* Check page status */
+               if (redunt[PAGE_STATUS] != XD_GPG) {
+                       for (j = 1; j <= 8; j++) {
+                               retval =
+                                   xd_read_redundant(chip, page_addr + j,
+                                                     redunt, 11);
+                               if (retval == STATUS_SUCCESS) {
+                                       if (redunt[PAGE_STATUS] == XD_GPG)
+                                               break;
+                               }
+                       }
+
+                       if (j == 9)
+                               break;
+               }
+
+               if ((redunt[BLOCK_STATUS] == XD_GBLK)
+                   && (redunt[PARITY] & XD_BA1_ALL0)) {
+                       u8 buf[10];
+
+                       page_addr += j;
+
+                       retval = xd_read_cis(chip, page_addr, buf, 10);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+
+                       if ((buf[0] == 0x01) && (buf[1] == 0x03)
+                           && (buf[2] == 0xD9)
+                           && (buf[3] == 0x01) && (buf[4] == 0xFF)
+                           && (buf[5] == 0x18) && (buf[6] == 0x02)
+                           && (buf[7] == 0xDF) && (buf[8] == 0x01)
+                           && (buf[9] == 0x20)) {
+                               xd_card->cis_block = (u16) i;
+                       }
+               }
+
+               break;
+       }
+
+       RTS51X_DEBUGP("CIS block: 0x%x\n", xd_card->cis_block);
+       if (xd_card->cis_block == 0xFFFF)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       chip->capacity[chip->card2lun[XD_CARD]] = xd_card->capacity;
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_check_data_blank(u8 *redunt)
+{
+       int i;
+
+       for (i = 0; i < 6; i++) {
+               if (redunt[PAGE_STATUS + i] != 0xFF)
+                       return 0;
+       }
+
+       if ((redunt[PARITY] & (XD_ECC1_ALL1 | XD_ECC2_ALL1)) !=
+           (XD_ECC1_ALL1 | XD_ECC2_ALL1))
+               return 0;
+
+       for (i = 0; i < 4; i++) {
+               if (redunt[RESERVED0 + i] != 0xFF)
+                       return 0;
+       }
+
+       return 1;
+}
+
+static u16 xd_load_log_block_addr(u8 *redunt)
+{
+       u16 addr = 0xFFFF;
+
+       if (redunt[PARITY] & XD_BA1_BA2_EQL)
+               addr =
+                   ((u16) redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L];
+       else if (redunt[PARITY] & XD_BA1_VALID)
+               addr =
+                   ((u16) redunt[BLOCK_ADDR1_H] << 8) | redunt[BLOCK_ADDR1_L];
+       else if (redunt[PARITY] & XD_BA2_VALID)
+               addr =
+                   ((u16) redunt[BLOCK_ADDR2_H] << 8) | redunt[BLOCK_ADDR2_L];
+
+       return addr;
+}
+
+static int xd_init_l2p_tbl(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int size, i;
+
+       RTS51X_DEBUGP("xd_init_l2p_tbl: zone_cnt = %d\n", xd_card->zone_cnt);
+
+       if (xd_card->zone_cnt < 1)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       size = xd_card->zone_cnt * sizeof(struct zone_entry);
+       RTS51X_DEBUGP("Buffer size for l2p table is %d\n", size);
+
+       xd_card->zone = vmalloc(size);
+       if (!xd_card->zone)
+               TRACE_RET(chip, STATUS_NOMEM);
+
+       for (i = 0; i < xd_card->zone_cnt; i++) {
+               xd_card->zone[i].build_flag = 0;
+               xd_card->zone[i].l2p_table = NULL;
+               xd_card->zone[i].free_table = NULL;
+               xd_card->zone[i].get_index = 0;
+               xd_card->zone[i].set_index = 0;
+               xd_card->zone[i].unused_blk_cnt = 0;
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static inline void free_zone(struct zone_entry *zone)
+{
+       RTS51X_DEBUGP("free_zone\n");
+       if (!zone)
+               return;
+       zone->build_flag = 0;
+       zone->set_index = 0;
+       zone->get_index = 0;
+       zone->unused_blk_cnt = 0;
+       if (zone->l2p_table) {
+               vfree(zone->l2p_table);
+               zone->l2p_table = NULL;
+       }
+       if (zone->free_table) {
+               vfree(zone->free_table);
+               zone->free_table = NULL;
+       }
+}
+
+static void xd_set_unused_block(struct rts51x_chip *chip, u32 phy_blk)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       struct zone_entry *zone;
+       int zone_no;
+
+       zone_no = (int)phy_blk >> 10;
+       if (zone_no >= xd_card->zone_cnt) {
+               RTS51X_DEBUGP("Set unused block to invalid zone"
+                                       "(zone_no = %d, zone_cnt = %d)\n",
+                                       zone_no, xd_card->zone_cnt);
+               return;
+       }
+       zone = &(xd_card->zone[zone_no]);
+
+       if (zone->free_table == NULL) {
+               if (xd_build_l2p_tbl(chip, zone_no) != STATUS_SUCCESS)
+                       return;
+       }
+
+       if ((zone->set_index >= XD_FREE_TABLE_CNT)
+           || (zone->set_index < 0)) {
+               free_zone(zone);
+               RTS51X_DEBUGP("Set unused block fail, invalid set_index\n");
+               return;
+       }
+
+       RTS51X_DEBUGP("Set unused block to index %d\n", zone->set_index);
+
+       zone->free_table[zone->set_index++] = (u16) (phy_blk & 0x3ff);
+       if (zone->set_index >= XD_FREE_TABLE_CNT)
+               zone->set_index = 0;
+       zone->unused_blk_cnt++;
+}
+
+static u32 xd_get_unused_block(struct rts51x_chip *chip, int zone_no)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       struct zone_entry *zone;
+       u32 phy_blk;
+
+       if (zone_no >= xd_card->zone_cnt) {
+               RTS51X_DEBUGP("Get unused block from invalid zone"
+                                       "(zone_no = %d, zone_cnt = %d)\n",
+                                       zone_no, xd_card->zone_cnt);
+               TRACE_RET(chip, BLK_NOT_FOUND);
+       }
+       zone = &(xd_card->zone[zone_no]);
+
+       if ((zone->unused_blk_cnt == 0) ||
+                       (zone->set_index == zone->get_index)) {
+               free_zone(zone);
+               RTS51X_DEBUGP("Get unused block fail,"
+                                       "no unused block available\n");
+               TRACE_RET(chip, BLK_NOT_FOUND);
+       }
+       if ((zone->get_index >= XD_FREE_TABLE_CNT) || (zone->get_index < 0)) {
+               free_zone(zone);
+               RTS51X_DEBUGP("Get unused block fail, invalid get_index\n");
+               TRACE_RET(chip, BLK_NOT_FOUND);
+       }
+
+       RTS51X_DEBUGP("Get unused block from index %d\n", zone->get_index);
+
+       phy_blk = zone->free_table[zone->get_index];
+       zone->free_table[zone->get_index++] = 0xFFFF;
+       if (zone->get_index >= XD_FREE_TABLE_CNT)
+               zone->get_index = 0;
+       zone->unused_blk_cnt--;
+
+       phy_blk += ((u32) (zone_no) << 10);
+       return phy_blk;
+}
+
+static void xd_set_l2p_tbl(struct rts51x_chip *chip, int zone_no, u16 log_off,
+                          u16 phy_off)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       struct zone_entry *zone;
+
+       zone = &(xd_card->zone[zone_no]);
+       zone->l2p_table[log_off] = phy_off;
+}
+
+static u32 xd_get_l2p_tbl(struct rts51x_chip *chip, int zone_no, u16 log_off)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       struct zone_entry *zone;
+       int retval;
+
+       zone = &(xd_card->zone[zone_no]);
+       if (zone->l2p_table[log_off] == 0xFFFF) {
+               u32 phy_blk = 0;
+               int i;
+
+               retval = xd_delay_write(chip);
+               if (retval != STATUS_SUCCESS) {
+                       RTS51X_DEBUGP("In xd_get_l2p_tbl,"
+                                               "delay write fail!\n");
+                       TRACE_RET(chip, BLK_NOT_FOUND);
+               }
+
+               if (zone->unused_blk_cnt <= 0) {
+                       RTS51X_DEBUGP("No unused block!\n");
+                       TRACE_RET(chip, BLK_NOT_FOUND);
+               }
+
+               for (i = 0; i < zone->unused_blk_cnt; i++) {
+                       phy_blk = xd_get_unused_block(chip, zone_no);
+                       if (phy_blk == BLK_NOT_FOUND) {
+                               RTS51X_DEBUGP("No unused block available!\n");
+                               TRACE_RET(chip, BLK_NOT_FOUND);
+                       }
+
+                       retval =
+                           xd_init_page(chip, phy_blk, log_off, 0,
+                                        xd_card->page_off + 1);
+                       if (retval == STATUS_SUCCESS)
+                               break;
+               }
+               if (i >= zone->unused_blk_cnt) {
+                       RTS51X_DEBUGP("No good unused block available!\n");
+                       TRACE_RET(chip, BLK_NOT_FOUND);
+               }
+
+               xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (phy_blk & 0x3FF));
+               return phy_blk;
+       }
+
+       return (u32) zone->l2p_table[log_off] + ((u32) (zone_no) << 10);
+}
+
+int reset_xd_card(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int retval;
+
+       memset(xd_card, 0, sizeof(struct xd_info));
+
+       xd_card->block_shift = 0;
+       xd_card->page_off = 0;
+       xd_card->addr_cycle = 0;
+       xd_card->capacity = 0;
+       xd_card->zone_cnt = 0;
+       xd_card->cis_block = 0xFFFF;
+       xd_card->delay_write.delay_write_flag = 0;
+
+       enable_card_clock(chip, XD_CARD);
+
+       retval = reset_xd(chip);
+       if (retval != STATUS_SUCCESS) {
+               if (chip->option.reset_or_rw_fail_set_pad_drive) {
+                       rts51x_write_register(chip, CARD_DRIVE_SEL,
+                                             SD20_DRIVE_MASK, DRIVE_8mA);
+               }
+               TRACE_RET(chip, retval);
+       }
+
+       retval = xd_init_l2p_tbl(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_mark_bad_block(struct rts51x_chip *chip, u32 phy_blk)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int retval;
+       u32 page_addr;
+       u8 reg = 0;
+
+       RTS51X_DEBUGP("mark block 0x%x as bad block\n", phy_blk);
+
+       if (phy_blk == BLK_NOT_FOUND)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF,
+                      XD_LATER_BBLK);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_H, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR2_L, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED0, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED1, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED2, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_RESERVED3, 0xFF, 0xFF);
+
+       page_addr = phy_blk << xd_card->block_shift;
+
+       xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
+
+       /* Specify page count */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF,
+                      xd_card->page_off + 1);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_WRITE_REDUNDANT);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
+                      XD_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       retval = rts51x_get_rsp(chip, 1, 100);
+
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+               rts51x_ep0_read_register(chip, XD_DAT, &reg);
+               if (reg & PROGRAM_ERROR)
+                       xd_set_err_code(chip, XD_PRG_ERROR);
+               else
+                       xd_set_err_code(chip, XD_TO_ERROR);
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_init_page(struct rts51x_chip *chip, u32 phy_blk, u16 logoff,
+                       u8 start_page, u8 end_page)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int retval;
+       u32 page_addr;
+       u8 reg = 0;
+
+       RTS51X_DEBUGP("Init block 0x%x\n", phy_blk);
+
+       if (start_page > end_page)
+               TRACE_RET(chip, STATUS_FAIL);
+       if (phy_blk == BLK_NOT_FOUND)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, 0xFF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF,
+                      (u8) (logoff >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF,
+                      (u8) logoff);
+
+       page_addr = (phy_blk << xd_card->block_shift) + start_page;
+
+       xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM,
+                      XD_BA_TRANSFORM);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF,
+                      (end_page - start_page));
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_WRITE_REDUNDANT);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
+                      XD_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       retval = rts51x_get_rsp(chip, 1, 500);
+
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+               rts51x_ep0_read_register(chip, XD_DAT, &reg);
+               if (reg & PROGRAM_ERROR) {
+                       xd_mark_bad_block(chip, phy_blk);
+                       xd_set_err_code(chip, XD_PRG_ERROR);
+               } else {
+                       xd_set_err_code(chip, XD_TO_ERROR);
+               }
+               TRACE_RET(chip, STATUS_FAIL);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_copy_page(struct rts51x_chip *chip,
+                       u32 old_blk, u32 new_blk, u8 start_page, u8 end_page)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       u32 old_page, new_page;
+       u8 i, reg = 0;
+       int retval;
+
+       RTS51X_DEBUGP("Copy page from block 0x%x to block 0x%x\n", old_blk,
+                      new_blk);
+
+       if (start_page > end_page)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       old_page = (old_blk << xd_card->block_shift) + start_page;
+       new_page = (new_blk << xd_card->block_shift) + start_page;
+
+       XD_CLR_BAD_NEWBLK(xd_card);
+
+       RTS51X_WRITE_REG(chip, CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
+
+       for (i = start_page; i < end_page; i++) {
+               if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) {
+                       RTS51X_WRITE_REG(chip, CARD_STOP, XD_STOP | XD_CLR_ERR,
+                                        XD_STOP | XD_CLR_ERR);
+                       xd_set_err_code(chip, XD_NO_CARD);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               rts51x_init_cmd(chip);
+
+               xd_assign_phy_addr(chip, old_page, XD_RW_ADDR);
+
+               /* Single page read */
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
+                              XD_AUTO_CHK_DATA_STATUS, 0);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                              XD_TRANSFER_START | XD_READ_PAGES);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
+                              XD_TRANSFER_END, XD_TRANSFER_END);
+
+               retval = rts51x_send_cmd(chip, MODE_CR | STAGE_XD_STATUS, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = rts51x_get_rsp(chip, 4, 500);
+               if ((retval != STATUS_SUCCESS) ||
+                   (chip->rsp_buf[2] & (XD_ECC1_ERROR | XD_ECC2_ERROR))) {
+                       rts51x_clear_xd_error(chip);
+                       reg = 0;
+                       rts51x_ep0_read_register(chip, XD_CTL, &reg);
+                       if (reg & (XD_ECC1_ERROR | XD_ECC2_ERROR)) {
+                               wait_timeout(100);
+
+                               if (monitor_card_cd(chip, XD_CARD) ==
+                                   CD_NOT_EXIST) {
+                                       xd_set_err_code(chip, XD_NO_CARD);
+                                       TRACE_RET(chip, STATUS_FAIL);
+                               }
+
+                               if (((reg &
+                                     (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
+                                    == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
+                                   || ((reg & (XD_ECC2_ERROR |
+                                       XD_ECC2_UNCORRECTABLE)) ==
+                                    (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
+                                       RTS51X_WRITE_REG(chip, XD_PAGE_STATUS,
+                                                        0xFF, XD_BPG);
+                                       RTS51X_WRITE_REG(chip, XD_BLOCK_STATUS,
+                                                        0xFF, XD_GBLK);
+                                       XD_SET_BAD_OLDBLK(xd_card);
+                                       RTS51X_DEBUGP("old block 0x%x"
+                                               "ecc error\n", old_blk);
+                               }
+                       } else {
+                               xd_set_err_code(chip, XD_TO_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+               if (XD_CHK_BAD_OLDBLK(xd_card))
+                       rts51x_clear_xd_error(chip);
+
+               rts51x_init_cmd(chip);
+
+               xd_assign_phy_addr(chip, new_page, XD_RW_ADDR);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, 1);
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                              XD_TRANSFER_START | XD_WRITE_PAGES);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
+                              XD_TRANSFER_END, XD_TRANSFER_END);
+
+               retval = rts51x_send_cmd(chip, MODE_CR, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = rts51x_get_rsp(chip, 1, 300);
+               if (retval != STATUS_SUCCESS) {
+                       rts51x_clear_xd_error(chip);
+                       reg = 0;
+                       rts51x_ep0_read_register(chip, XD_DAT, &reg);
+                       if (reg & PROGRAM_ERROR) {
+                               xd_mark_bad_block(chip, new_blk);
+                               xd_set_err_code(chip, XD_PRG_ERROR);
+                               XD_SET_BAD_NEWBLK(xd_card);
+                       } else {
+                               xd_set_err_code(chip, XD_TO_ERROR);
+                       }
+                       TRACE_RET(chip, retval);
+               }
+
+               old_page++;
+               new_page++;
+       }
+
+       return STATUS_SUCCESS;
+}
+
+#ifdef XD_SPEEDUP
+static int xd_auto_copy_page(struct rts51x_chip *chip,
+                            u32 old_blk, u32 new_blk,
+                            u8 start_page, u8 end_page)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       u32 old_page, new_page;
+       int retval;
+       u8 page_count;
+
+       RTS51X_DEBUGP("Auto copy page from block 0x%x to block 0x%x\n",
+                      old_blk, new_blk);
+
+       if (start_page > end_page)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       page_count = end_page - start_page;
+
+       if ((old_blk == BLK_NOT_FOUND) || (new_blk == BLK_NOT_FOUND))
+               TRACE_RET(chip, STATUS_FAIL);
+
+       old_page = (old_blk << xd_card->block_shift) + start_page;
+       new_page = (new_blk << xd_card->block_shift) + start_page;
+
+       XD_CLR_BAD_NEWBLK(xd_card);
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WAITTIME, 0x03, WAIT_FF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_PAGELEN, 0xFF, page_count);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR0, 0xFF, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR1, 0xFF,
+                      (u8) old_page);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR2, 0xFF,
+                      (u8) (old_page >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR3, 0xFF,
+                      (u8) (old_page >> 16));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_READADDR4, 0xFF, 0);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR0, 0xFF, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR1, 0xFF,
+                      (u8) new_page);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR2, 0xFF,
+                      (u8) (new_page >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR3, 0xFF,
+                      (u8) (new_page >> 16));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CP_WRITEADDR4, 0xFF, 0);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      PINGPONG_BUFFER);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG,
+                      XD_BA_TRANSFORM | XD_ADDR_MASK, 0 | xd_card->addr_cycle);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
+                      XD_AUTO_CHK_DATA_STATUS, 0);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_COPY_PAGES);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
+                      XD_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+               TRACE_GOTO(chip, Copy_Fail);
+       }
+
+       retval = rts51x_get_rsp(chip, 1, 800);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+               TRACE_GOTO(chip, Copy_Fail);
+       }
+
+       return STATUS_SUCCESS;
+
+Copy_Fail:
+       retval = xd_copy_page(chip, old_blk, new_blk, start_page, end_page);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+#endif
+
+static int xd_reset_cmd(struct rts51x_chip *chip)
+{
+       int retval;
+       u8 xd_dat, xd_ctl;
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_RESET);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
+                      XD_TRANSFER_END);
+       rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
+       rts51x_add_cmd(chip, READ_REG_CMD, XD_CTL, 0, 0);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 3, 100);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       xd_dat = chip->rsp_buf[1];
+       xd_ctl = chip->rsp_buf[2];
+       if (((xd_dat & READY_FLAG) == READY_STATE) && (xd_ctl & XD_RDY))
+               return STATUS_SUCCESS;
+
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+static int xd_erase_block(struct rts51x_chip *chip, u32 phy_blk)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       u32 page_addr;
+       u8 reg = 0, xd_dat;
+       int i, retval;
+
+       if (phy_blk == BLK_NOT_FOUND)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       page_addr = phy_blk << xd_card->block_shift;
+
+       for (i = 0; i < 3; i++) {
+               rts51x_init_cmd(chip);
+
+               xd_assign_phy_addr(chip, page_addr, XD_ERASE_ADDR);
+
+               rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                              XD_TRANSFER_START | XD_ERASE);
+               rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
+                              XD_TRANSFER_END, XD_TRANSFER_END);
+               rts51x_add_cmd(chip, READ_REG_CMD, XD_DAT, 0, 0);
+
+               retval = rts51x_send_cmd(chip, MODE_CR, 100);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               retval = rts51x_get_rsp(chip, 2, 300);
+               if (retval != STATUS_SUCCESS) {
+                       rts51x_clear_xd_error(chip);
+                       rts51x_ep0_read_register(chip, XD_DAT, &reg);
+                       if (reg & PROGRAM_ERROR) {
+                               xd_mark_bad_block(chip, phy_blk);
+                               xd_set_err_code(chip, XD_PRG_ERROR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       } else {
+                               xd_set_err_code(chip, XD_ERASE_FAIL);
+                       }
+                       retval = xd_reset_cmd(chip);
+                       if (retval != STATUS_SUCCESS)
+                               TRACE_RET(chip, retval);
+                       continue;
+               }
+               xd_dat = chip->rsp_buf[1];
+               if (xd_dat & PROGRAM_ERROR) {
+                       xd_mark_bad_block(chip, phy_blk);
+                       xd_set_err_code(chip, XD_PRG_ERROR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               return STATUS_SUCCESS;
+       }
+
+       xd_mark_bad_block(chip, phy_blk);
+       xd_set_err_code(chip, XD_ERASE_FAIL);
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+static int xd_build_l2p_tbl(struct rts51x_chip *chip, int zone_no)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       struct zone_entry *zone;
+       int retval;
+       u32 start, end, i;
+       u16 max_logoff, cur_fst_page_logoff, cur_lst_page_logoff,
+           ent_lst_page_logoff;
+       u8 redunt[11];
+
+       RTS51X_DEBUGP("xd_build_l2p_tbl: %d\n", zone_no);
+
+       if (xd_card->zone == NULL) {
+               retval = xd_init_l2p_tbl(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       if (xd_card->zone[zone_no].build_flag) {
+               RTS51X_DEBUGP("l2p table of zone %d has been built\n",
+                              zone_no);
+               return STATUS_SUCCESS;
+       }
+
+       zone = &(xd_card->zone[zone_no]);
+
+       if (zone->l2p_table == NULL) {
+               zone->l2p_table = vmalloc(2000);
+               if (zone->l2p_table == NULL)
+                       TRACE_GOTO(chip, Build_Fail);
+       }
+       memset((u8 *) (zone->l2p_table), 0xff, 2000);
+
+       if (zone->free_table == NULL) {
+               zone->free_table = vmalloc(XD_FREE_TABLE_CNT * 2);
+               if (zone->free_table == NULL)
+                       TRACE_GOTO(chip, Build_Fail);
+       }
+       memset((u8 *) (zone->free_table), 0xff, XD_FREE_TABLE_CNT * 2);
+
+       if (zone_no == 0) {
+               if (xd_card->cis_block == 0xFFFF)
+                       start = 0;
+               else
+                       start = xd_card->cis_block + 1;
+               if (XD_CHK_4MB(xd_card)) {
+                       end = 0x200;
+                       max_logoff = 499;
+               } else {
+                       end = 0x400;
+                       max_logoff = 999;
+               }
+       } else {
+               start = (u32) (zone_no) << 10;
+               end = (u32) (zone_no + 1) << 10;
+               max_logoff = 999;
+       }
+
+       RTS51X_DEBUGP("start block 0x%x, end block 0x%x\n", start, end);
+
+       zone->set_index = zone->get_index = 0;
+       zone->unused_blk_cnt = 0;
+
+       for (i = start; i < end; i++) {
+               u32 page_addr = i << xd_card->block_shift;
+               u32 phy_block;
+
+               retval = xd_read_redundant(chip, page_addr, redunt, 11);
+               if (retval != STATUS_SUCCESS)
+                       continue;
+
+               if (redunt[BLOCK_STATUS] != 0xFF) {
+                       RTS51X_DEBUGP("bad block\n");
+                       continue;
+               }
+
+               if (xd_check_data_blank(redunt)) {
+                       RTS51X_DEBUGP("blank block\n");
+                       xd_set_unused_block(chip, i);
+                       continue;
+               }
+
+               cur_fst_page_logoff = xd_load_log_block_addr(redunt);
+               if ((cur_fst_page_logoff == 0xFFFF)
+                   || (cur_fst_page_logoff > max_logoff)) {
+                       retval = xd_erase_block(chip, i);
+                       if (retval == STATUS_SUCCESS)
+                               xd_set_unused_block(chip, i);
+                       continue;
+               }
+               if ((zone_no == 0) && (cur_fst_page_logoff == 0)
+                   && (redunt[PAGE_STATUS] != XD_GPG))
+                       XD_SET_MBR_FAIL(xd_card);
+
+               if (zone->l2p_table[cur_fst_page_logoff] == 0xFFFF) {
+                       zone->l2p_table[cur_fst_page_logoff] =
+                           (u16) (i & 0x3FF);
+                       continue;
+               }
+
+               phy_block =
+                   zone->l2p_table[cur_fst_page_logoff] +
+                   ((u32) ((zone_no) << 10));
+
+               page_addr = ((i + 1) << xd_card->block_shift) - 1;
+
+               retval = xd_read_redundant(chip, page_addr, redunt, 11);
+               if (retval != STATUS_SUCCESS)
+                       continue;
+
+               cur_lst_page_logoff = xd_load_log_block_addr(redunt);
+               if (cur_lst_page_logoff == cur_fst_page_logoff) {
+                       int m;
+
+                       page_addr =
+                           ((phy_block + 1) << xd_card->block_shift) - 1;
+
+                       for (m = 0; m < 3; m++) {
+                               retval =
+                                   xd_read_redundant(chip, page_addr, redunt,
+                                                     11);
+                               if (retval == STATUS_SUCCESS)
+                                       break;
+                       }
+
+                       if (m == 3) {
+                               zone->l2p_table[cur_fst_page_logoff] =
+                                   (u16) (i & 0x3FF);
+                               retval = xd_erase_block(chip, phy_block);
+                               if (retval == STATUS_SUCCESS)
+                                       xd_set_unused_block(chip, phy_block);
+                               continue;
+                       }
+
+                       ent_lst_page_logoff = xd_load_log_block_addr(redunt);
+                       if (ent_lst_page_logoff != cur_fst_page_logoff) {
+                               zone->l2p_table[cur_fst_page_logoff] =
+                                   (u16) (i & 0x3FF);
+                               retval = xd_erase_block(chip, phy_block);
+                               if (retval == STATUS_SUCCESS)
+                                       xd_set_unused_block(chip, phy_block);
+                               continue;
+                       } else {
+                               retval = xd_erase_block(chip, i);
+                               if (retval == STATUS_SUCCESS)
+                                       xd_set_unused_block(chip, i);
+                       }
+               } else {
+                       retval = xd_erase_block(chip, i);
+                       if (retval == STATUS_SUCCESS)
+                               xd_set_unused_block(chip, i);
+               }
+       }
+
+       if (XD_CHK_4MB(xd_card))
+               end = 500;
+       else
+               end = 1000;
+
+       i = 0;
+       for (start = 0; start < end; start++) {
+               if (zone->l2p_table[start] == 0xFFFF)
+                       i++;
+       }
+
+       RTS51X_DEBUGP("Block count %d, invalid L2P entry %d\n", end, i);
+       RTS51X_DEBUGP("Total unused block: %d\n", zone->unused_blk_cnt);
+
+       if ((zone->unused_blk_cnt - i) < 1)
+               chip->card_wp |= XD_CARD;
+
+       zone->build_flag = 1;
+
+       return STATUS_SUCCESS;
+
+Build_Fail:
+       if (zone->l2p_table) {
+               vfree(zone->l2p_table);
+               zone->l2p_table = NULL;
+       }
+       if (zone->free_table) {
+               vfree(zone->free_table);
+               zone->free_table = NULL;
+       }
+
+       return STATUS_FAIL;
+}
+
+static int xd_send_cmd(struct rts51x_chip *chip, u8 cmd)
+{
+       int retval;
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_DAT, 0xFF, cmd);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_SET_CMD);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
+                      XD_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval = rts51x_get_rsp(chip, 1, 200);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+               TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_read_multiple_pages(struct rts51x_chip *chip, u32 phy_blk,
+                                 u32 log_blk, u8 start_page, u8 end_page,
+                                 u8 *buf, void **ptr, unsigned int *offset)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       u32 page_addr, new_blk;
+       u16 log_off;
+       u8 reg_val, page_cnt;
+       int zone_no, retval, i;
+
+       if (start_page > end_page)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       page_cnt = end_page - start_page;
+       zone_no = (int)(log_blk / 1000);
+       log_off = (u16) (log_blk % 1000);
+
+       if ((phy_blk & 0x3FF) == 0x3FF) {
+               for (i = 0; i < 256; i++) {
+                       page_addr = ((u32) i) << xd_card->block_shift;
+
+                       retval = xd_read_redundant(chip, page_addr, NULL, 0);
+                       if (retval == STATUS_SUCCESS)
+                               break;
+
+                       if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) {
+                               xd_set_err_code(chip, XD_NO_CARD);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+       }
+
+       page_addr = (phy_blk << xd_card->block_shift) + start_page;
+
+       rts51x_init_cmd(chip);
+
+       xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_PPB_TO_SIE,
+                      XD_PPB_TO_SIE);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      RING_BUFFER);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CHK_DATA_STATUS,
+                      XD_AUTO_CHK_DATA_STATUS, XD_AUTO_CHK_DATA_STATUS);
+
+       trans_dma_enable(chip->srb->sc_data_direction, chip, page_cnt * 512,
+                        DMA_512);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_READ_PAGES);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER,
+                      XD_TRANSFER_END | XD_PPB_EMPTY,
+                      XD_TRANSFER_END | XD_PPB_EMPTY);
+
+       retval = rts51x_send_cmd(chip, MODE_CDIR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval =
+           rts51x_transfer_data_partial(chip, RCV_BULK_PIPE(chip), (void *)buf,
+                                        ptr, offset, page_cnt * 512,
+                                        scsi_sg_count(chip->srb), NULL, 2000);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+
+               if (retval == STATUS_TIMEDOUT) {
+                       xd_set_err_code(chip, XD_TO_ERROR);
+                       TRACE_RET(chip, retval);
+               } else {
+                       TRACE_GOTO(chip, Fail);
+               }
+       }
+       retval = rts51x_get_rsp(chip, 1, 200);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+
+               if (retval == STATUS_TIMEDOUT) {
+                       xd_set_err_code(chip, XD_TO_ERROR);
+                       TRACE_RET(chip, retval);
+               } else {
+                       TRACE_GOTO(chip, Fail);
+               }
+       }
+
+       return STATUS_SUCCESS;
+
+Fail:
+       rts51x_ep0_read_register(chip, XD_PAGE_STATUS, &reg_val);
+       RTS51X_DEBUGP("XD_PAGE_STATUS: 0x%x\n", reg_val);
+
+       if (reg_val != XD_GPG)
+               xd_set_err_code(chip, XD_PRG_ERROR);
+
+       rts51x_ep0_read_register(chip, XD_CTL, &reg_val);
+       RTS51X_DEBUGP("XD_CTL: 0x%x\n", reg_val);
+
+       /* Handle uncorrectable ECC error */
+       if (((reg_val & (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
+            == (XD_ECC1_ERROR | XD_ECC1_UNCORRECTABLE))
+           || ((reg_val & (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))
+               == (XD_ECC2_ERROR | XD_ECC2_UNCORRECTABLE))) {
+               wait_timeout(100);
+
+               if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) {
+                       xd_set_err_code(chip, XD_NO_CARD);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               xd_set_err_code(chip, XD_ECC_ERROR);
+
+               new_blk = xd_get_unused_block(chip, zone_no);
+               if (new_blk == NO_NEW_BLK) {
+                       XD_CLR_BAD_OLDBLK(xd_card);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+#ifdef XD_SPEEDUP
+               retval =
+                   xd_auto_copy_page(chip, phy_blk, new_blk, 0,
+                                     xd_card->page_off + 1);
+#else
+               retval =
+                   xd_copy_page(chip, phy_blk, new_blk, 0,
+                                xd_card->page_off + 1);
+#endif
+               if (retval != STATUS_SUCCESS) {
+                       if (!XD_CHK_BAD_NEWBLK(xd_card)) {
+                               retval = xd_erase_block(chip, new_blk);
+                               if (retval == STATUS_SUCCESS)
+                                       xd_set_unused_block(chip, new_blk);
+                       } else {
+                               XD_CLR_BAD_NEWBLK(xd_card);
+                       }
+                       XD_CLR_BAD_OLDBLK(xd_card);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+               xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF));
+               xd_erase_block(chip, phy_blk);
+               xd_mark_bad_block(chip, phy_blk);
+               XD_CLR_BAD_OLDBLK(xd_card);
+       }
+
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+static int xd_finish_write(struct rts51x_chip *chip,
+                          u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int retval, zone_no;
+       u16 log_off;
+
+       RTS51X_DEBUGP("xd_finish_write, old_blk = 0x%x, new_blk = 0x%x,"
+                               "log_blk = 0x%x\n", old_blk, new_blk, log_blk);
+
+       if (page_off > xd_card->page_off)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       zone_no = (int)(log_blk / 1000);
+       log_off = (u16) (log_blk % 1000);
+
+       if (old_blk == BLK_NOT_FOUND) {
+               retval = xd_init_page(chip, new_blk, log_off,
+                                     page_off, xd_card->page_off + 1);
+               if (retval != STATUS_SUCCESS) {
+                       retval = xd_erase_block(chip, new_blk);
+                       if (retval == STATUS_SUCCESS)
+                               xd_set_unused_block(chip, new_blk);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       } else {
+#ifdef XD_SPEEDUP
+               retval = xd_auto_copy_page(chip, old_blk, new_blk,
+                                          page_off, xd_card->page_off + 1);
+#else
+               retval = xd_copy_page(chip, old_blk, new_blk,
+                                     page_off, xd_card->page_off + 1);
+#endif
+               if (retval != STATUS_SUCCESS) {
+                       if (!XD_CHK_BAD_NEWBLK(xd_card)) {
+                               retval = xd_erase_block(chip, new_blk);
+                               if (retval == STATUS_SUCCESS)
+                                       xd_set_unused_block(chip, new_blk);
+                       }
+                       XD_CLR_BAD_NEWBLK(xd_card);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               retval = xd_erase_block(chip, old_blk);
+               if (retval == STATUS_SUCCESS) {
+                       if (XD_CHK_BAD_OLDBLK(xd_card)) {
+                               xd_mark_bad_block(chip, old_blk);
+                               XD_CLR_BAD_OLDBLK(xd_card);
+                       } else {
+                               /* Add source block to unused block */
+                               xd_set_unused_block(chip, old_blk);
+                       }
+               } else {
+                       xd_set_err_code(chip, XD_NO_ERROR);
+                       XD_CLR_BAD_OLDBLK(xd_card);
+               }
+       }
+
+       /* Add target block to L2P table */
+       xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF));
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_prepare_write(struct rts51x_chip *chip,
+                           u32 old_blk, u32 new_blk, u32 log_blk, u8 page_off)
+{
+       int retval;
+
+       RTS51X_DEBUGP("xd_prepare_write, old_blk = 0x%x, new_blk = 0x%x,"
+                               "log_blk = 0x%x, page_off = %d\n",
+                               old_blk, new_blk, log_blk, (int)page_off);
+
+       if (page_off) {
+#ifdef XD_SPEEDUP
+               retval = xd_auto_copy_page(chip, old_blk, new_blk, 0, page_off);
+#else
+               retval = xd_copy_page(chip, old_blk, new_blk, 0, page_off);
+#endif
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+static int xd_write_multiple_pages(struct rts51x_chip *chip, u32 old_blk,
+                                  u32 new_blk, u32 log_blk, u8 start_page,
+                                  u8 end_page, u8 *buf, void **ptr,
+                                  unsigned int *offset)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       u32 page_addr;
+       int zone_no, retval;
+       u16 log_off;
+       u8 page_cnt, reg_val;
+
+       RTS51X_DEBUGP("xd_write_multiple_pages, old_blk = 0x%x,"
+                               "new_blk = 0x%x, log_blk = 0x%x\n",
+                               old_blk, new_blk, log_blk);
+
+       if (start_page > end_page)
+               TRACE_RET(chip, STATUS_FAIL);
+
+       page_cnt = end_page - start_page;
+       zone_no = (int)(log_blk / 1000);
+       log_off = (u16) (log_blk % 1000);
+
+       page_addr = (new_blk << xd_card->block_shift) + start_page;
+
+       /* Send index command */
+       retval = xd_send_cmd(chip, READ1_1);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       rts51x_init_cmd(chip);
+
+       /* Prepare redundant field */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_H, 0xFF,
+                      (u8) (log_off >> 8));
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_ADDR1_L, 0xFF,
+                      (u8) log_off);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_BLOCK_STATUS, 0xFF, XD_GBLK);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_STATUS, 0xFF, XD_GPG);
+
+       xd_assign_phy_addr(chip, page_addr, XD_RW_ADDR);
+
+       /* Transform the block address by hardware */
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_CFG, XD_BA_TRANSFORM,
+                      XD_BA_TRANSFORM);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_PAGE_CNT, 0xFF, page_cnt);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
+                      RING_BUFFER);
+
+       trans_dma_enable(chip->srb->sc_data_direction, chip, page_cnt * 512,
+                        DMA_512);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, XD_TRANSFER, 0xFF,
+                      XD_TRANSFER_START | XD_WRITE_PAGES);
+       rts51x_add_cmd(chip, CHECK_REG_CMD, XD_TRANSFER, XD_TRANSFER_END,
+                      XD_TRANSFER_END);
+
+       retval = rts51x_send_cmd(chip, MODE_CDOR, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       retval =
+           rts51x_transfer_data_partial(chip, SND_BULK_PIPE(chip), (void *)buf,
+                                        ptr, offset, page_cnt * 512,
+                                        scsi_sg_count(chip->srb), NULL, 2000);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+
+               if (retval == STATUS_TIMEDOUT) {
+                       xd_set_err_code(chip, XD_TO_ERROR);
+                       TRACE_RET(chip, retval);
+               } else {
+                       TRACE_GOTO(chip, Fail);
+               }
+       }
+       retval = rts51x_get_rsp(chip, 1, 200);
+       if (retval != STATUS_SUCCESS) {
+               rts51x_clear_xd_error(chip);
+
+               if (retval == STATUS_TIMEDOUT) {
+                       xd_set_err_code(chip, XD_TO_ERROR);
+                       TRACE_RET(chip, retval);
+               } else {
+                       TRACE_GOTO(chip, Fail);
+               }
+       }
+
+       if (end_page == (xd_card->page_off + 1)) {
+               xd_card->delay_write.delay_write_flag = 0;
+
+               if (old_blk != BLK_NOT_FOUND) {
+                       retval = xd_erase_block(chip, old_blk);
+                       if (retval == STATUS_SUCCESS) {
+                               if (XD_CHK_BAD_OLDBLK(xd_card)) {
+                                       xd_mark_bad_block(chip, old_blk);
+                                       XD_CLR_BAD_OLDBLK(xd_card);
+                               } else {
+                                       xd_set_unused_block(chip, old_blk);
+                               }
+                       } else {
+                               xd_set_err_code(chip, XD_NO_ERROR);
+                               XD_CLR_BAD_OLDBLK(xd_card);
+                       }
+               }
+               xd_set_l2p_tbl(chip, zone_no, log_off, (u16) (new_blk & 0x3FF));
+       }
+
+       return STATUS_SUCCESS;
+
+Fail:
+       rts51x_ep0_read_register(chip, XD_DAT, &reg_val);
+       RTS51X_DEBUGP("XD_DAT: 0x%x\n", reg_val);
+
+       if (reg_val & PROGRAM_ERROR) {
+               xd_set_err_code(chip, XD_PRG_ERROR);
+               xd_mark_bad_block(chip, new_blk);
+       }
+
+       TRACE_RET(chip, STATUS_FAIL);
+}
+
+int xd_delay_write(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
+       int retval;
+
+       if (delay_write->delay_write_flag) {
+               RTS51X_DEBUGP("xd_delay_write\n");
+               retval = xd_switch_clock(chip);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+
+               delay_write->delay_write_flag = 0;
+               retval = xd_finish_write(chip,
+                                        delay_write->old_phyblock,
+                                        delay_write->new_phyblock,
+                                        delay_write->logblock,
+                                        delay_write->pageoff);
+               if (retval != STATUS_SUCCESS)
+                       TRACE_RET(chip, retval);
+       }
+
+       return STATUS_SUCCESS;
+}
+
+int xd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
+         u16 sector_cnt)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       unsigned int lun = SCSI_LUN(srb);
+       struct xd_delay_write_tag *delay_write = &(xd_card->delay_write);
+       int retval, zone_no;
+       u32 log_blk, old_blk = 0, new_blk = 0;
+       u16 log_off, total_sec_cnt = sector_cnt;
+       u8 start_page, end_page = 0, page_cnt;
+       u8 *buf;
+       void *ptr = NULL;
+       unsigned int offset = 0;
+
+       xd_set_err_code(chip, XD_NO_ERROR);
+
+       xd_card->counter = 0;
+
+       RTS51X_DEBUGP("xd_rw: scsi_bufflen = %d, scsi_sg_count = %d\n",
+                      scsi_bufflen(srb), scsi_sg_count(srb));
+       RTS51X_DEBUGP("Data direction: %s\n",
+                      (srb->sc_data_direction ==
+                       DMA_TO_DEVICE) ? "write" : "read");
+
+       buf = (u8 *) scsi_sglist(srb);
+
+       retval = xd_switch_clock(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       log_blk = start_sector >> xd_card->block_shift;
+       start_page = (u8) start_sector & xd_card->page_off;
+       zone_no = (int)(log_blk / 1000);
+       log_off = (u16) (log_blk % 1000);
+
+       RTS51X_DEBUGP("log_blk = 0x%x\n", log_blk);
+
+       if (xd_card->zone[zone_no].build_flag == 0) {
+               retval = xd_build_l2p_tbl(chip, zone_no);
+               if (retval != STATUS_SUCCESS) {
+                       chip->card_fail |= XD_CARD;
+                       set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
+                       TRACE_RET(chip, retval);
+               }
+       }
+
+       if (srb->sc_data_direction == DMA_TO_DEVICE) {
+               if (delay_write->delay_write_flag &&
+                   (delay_write->logblock == log_blk) &&
+                   (start_page > delay_write->pageoff)) {
+                       delay_write->delay_write_flag = 0;
+                       if (delay_write->old_phyblock != BLK_NOT_FOUND) {
+#ifdef XD_SPEEDUP
+                               retval = xd_auto_copy_page(chip,
+                                       delay_write->old_phyblock,
+                                       delay_write->new_phyblock,
+                                       delay_write->pageoff, start_page);
+#else
+                               retval = xd_copy_page(chip,
+                                                     delay_write->old_phyblock,
+                                                     delay_write->new_phyblock,
+                                                     delay_write->pageoff,
+                                                     start_page);
+#endif
+                               if (retval != STATUS_SUCCESS) {
+                                       set_sense_type(chip, lun,
+                                               SENSE_TYPE_MEDIA_WRITE_ERR);
+                                       TRACE_RET(chip, retval);
+                               }
+                       }
+                       old_blk = delay_write->old_phyblock;
+                       new_blk = delay_write->new_phyblock;
+               } else if (delay_write->delay_write_flag &&
+                          (delay_write->logblock == log_blk) &&
+                          (start_page == delay_write->pageoff)) {
+                       delay_write->delay_write_flag = 0;
+                       old_blk = delay_write->old_phyblock;
+                       new_blk = delay_write->new_phyblock;
+               } else {
+                       retval = xd_delay_write(chip);
+                       if (retval != STATUS_SUCCESS) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, retval);
+                       }
+                       old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
+                       new_blk = xd_get_unused_block(chip, zone_no);
+                       if ((old_blk == BLK_NOT_FOUND)
+                           || (new_blk == BLK_NOT_FOUND)) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, retval);
+                       }
+
+                       retval =
+                           xd_prepare_write(chip, old_blk, new_blk, log_blk,
+                                            start_page);
+                       if (retval != STATUS_SUCCESS) {
+                               if (monitor_card_cd(chip, XD_CARD) ==
+                                   CD_NOT_EXIST) {
+                                       set_sense_type(chip, lun,
+                                               SENSE_TYPE_MEDIA_NOT_PRESENT);
+                                       TRACE_RET(chip, STATUS_FAIL);
+                               }
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, retval);
+                       }
+               }
+       } else {
+               retval = xd_delay_write(chip);
+               if (retval != STATUS_SUCCESS) {
+                       if (monitor_card_cd(chip, XD_CARD) == CD_NOT_EXIST) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_NOT_PRESENT);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                       TRACE_RET(chip, retval);
+               }
+
+               old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
+               if (old_blk == BLK_NOT_FOUND) {
+                       set_sense_type(chip, lun,
+                                      SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+       }
+
+       RTS51X_DEBUGP("old_blk = 0x%x\n", old_blk);
+       if (srb->sc_data_direction == DMA_TO_DEVICE)
+               RTS51X_DEBUGP("new_blk = 0x%x\n", new_blk);
+
+       while (total_sec_cnt) {
+               if ((start_page + total_sec_cnt) > (xd_card->page_off + 1))
+                       end_page = xd_card->page_off + 1;
+               else
+                       end_page = start_page + (u8) total_sec_cnt;
+               page_cnt = end_page - start_page;
+               if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+                       retval = xd_read_multiple_pages(chip, old_blk, log_blk,
+                                                       start_page, end_page,
+                                                       buf, &ptr, &offset);
+                       if (retval != STATUS_SUCCESS) {
+                               set_sense_type(chip, lun,
+                                       SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               } else {
+                       retval =
+                           xd_write_multiple_pages(chip, old_blk, new_blk,
+                                                   log_blk, start_page,
+                                                   end_page, buf, &ptr,
+                                                   &offset);
+                       if (retval != STATUS_SUCCESS) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               total_sec_cnt -= page_cnt;
+
+               if (total_sec_cnt == 0)
+                       break;
+
+               log_blk++;
+               zone_no = (int)(log_blk / 1000);
+               log_off = (u16) (log_blk % 1000);
+
+               if (xd_card->zone[zone_no].build_flag == 0) {
+                       retval = xd_build_l2p_tbl(chip, zone_no);
+                       if (retval != STATUS_SUCCESS) {
+                               chip->card_fail |= XD_CARD;
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_NOT_PRESENT);
+                               TRACE_RET(chip, retval);
+                       }
+               }
+
+               old_blk = xd_get_l2p_tbl(chip, zone_no, log_off);
+               if (old_blk == BLK_NOT_FOUND) {
+                       if (srb->sc_data_direction == DMA_FROM_DEVICE) {
+                               set_sense_type(chip, lun,
+                                       SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
+                       } else {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                       }
+                       TRACE_RET(chip, STATUS_FAIL);
+               }
+
+               if (srb->sc_data_direction == DMA_TO_DEVICE) {
+                       new_blk = xd_get_unused_block(chip, zone_no);
+                       if (new_blk == BLK_NOT_FOUND) {
+                               set_sense_type(chip, lun,
+                                              SENSE_TYPE_MEDIA_WRITE_ERR);
+                               TRACE_RET(chip, STATUS_FAIL);
+                       }
+               }
+
+               start_page = 0;
+       }
+
+       if ((srb->sc_data_direction == DMA_TO_DEVICE) &&
+           (end_page != (xd_card->page_off + 1))) {
+               delay_write->delay_write_flag = 1;
+               delay_write->old_phyblock = old_blk;
+               delay_write->new_phyblock = new_blk;
+               delay_write->logblock = log_blk;
+               delay_write->pageoff = end_page;
+       }
+
+       scsi_set_resid(srb, 0);
+
+       return STATUS_SUCCESS;
+}
+
+void xd_free_l2p_tbl(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int i = 0;
+
+       if (xd_card->zone != NULL) {
+               for (i = 0; i < xd_card->zone_cnt; i++) {
+                       if (xd_card->zone[i].l2p_table != NULL) {
+                               vfree(xd_card->zone[i].l2p_table);
+                               xd_card->zone[i].l2p_table = NULL;
+                       }
+                       if (xd_card->zone[i].free_table != NULL) {
+                               vfree(xd_card->zone[i].free_table);
+                               xd_card->zone[i].free_table = NULL;
+                       }
+               }
+               vfree(xd_card->zone);
+               xd_card->zone = NULL;
+       }
+}
+
+void xd_cleanup_work(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+
+       if (xd_card->delay_write.delay_write_flag) {
+               RTS51X_DEBUGP("xD: delay write\n");
+               xd_delay_write(chip);
+               xd_card->counter = 0;
+       }
+}
+
+int xd_power_off_card3v3(struct rts51x_chip *chip)
+{
+       int retval;
+
+       rts51x_init_cmd(chip);
+
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_CLK_EN, XD_CLK_EN, 0);
+
+       if (chip->asic_code)
+               xd_pull_ctl_disable(chip);
+       else
+               rts51x_add_cmd(chip, WRITE_REG_CMD, FPGA_PULL_CTL, 0xFF, 0xDF);
+       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_OE, XD_OUTPUT_EN, 0);
+       if (!chip->option.FT2_fast_mode) {
+               rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL, POWER_MASK,
+                              POWER_OFF);
+               if (CHECK_PKG(chip, LQFP48)
+                   || chip->option.rts5129_D3318_off_enable)
+                       rts51x_add_cmd(chip, WRITE_REG_CMD, CARD_PWR_CTL,
+                                      DV3318_AUTO_PWR_OFF, 0);
+       }
+
+       retval = rts51x_send_cmd(chip, MODE_C, 100);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       return STATUS_SUCCESS;
+}
+
+int release_xd_card(struct rts51x_chip *chip)
+{
+       struct xd_info *xd_card = &(chip->xd_card);
+       int retval;
+
+       RTS51X_DEBUGP("elease_xd_card\n");
+
+       chip->card_ready &= ~XD_CARD;
+       chip->card_fail &= ~XD_CARD;
+       chip->card_wp &= ~XD_CARD;
+
+       xd_card->delay_write.delay_write_flag = 0;
+
+       xd_free_l2p_tbl(chip);
+
+       rts51x_write_register(chip, SFSM_ED, HW_CMD_STOP, HW_CMD_STOP);
+
+       retval = xd_power_off_card3v3(chip);
+       if (retval != STATUS_SUCCESS)
+               TRACE_RET(chip, retval);
+
+       if (chip->asic_code && CHECK_PKG(chip, QFN24))
+               wait_timeout(20);
+
+       return STATUS_SUCCESS;
+}
diff --git a/drivers/staging/rts5139/xd.h b/drivers/staging/rts5139/xd.h
new file mode 100644 (file)
index 0000000..fa69590
--- /dev/null
@@ -0,0 +1,193 @@
+/* Driver for Realtek RTS51xx USB card reader
+ * Header file
+ *
+ * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author:
+ *   wwang (wei_wang@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ * Maintainer:
+ *   Edwin Rong (edwin_rong@realsil.com.cn)
+ *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
+ */
+
+#ifndef __RTS51X_XD_H
+#define __RTS51X_XD_H
+
+/* Error Codes */
+#define        XD_NO_ERROR                     0x00
+#define        XD_NO_MEMORY                    0x80
+#define        XD_PRG_ERROR                    0x40
+#define        XD_NO_CARD                      0x20
+#define        XD_READ_FAIL                    0x10
+#define        XD_ERASE_FAIL                   0x08
+#define        XD_WRITE_FAIL                   0x04
+#define        XD_ECC_ERROR                    0x02
+#define        XD_TO_ERROR                     0x01
+
+/* XD Commands */
+#define        READ1_1                         0x00
+#define        READ1_2                         0x01
+#define        READ2                           0x50
+#define READ_ID                                0x90
+#define RESET                          0xff
+#define PAGE_PRG_1                     0x80
+#define PAGE_PRG_2                     0x10
+#define        BLK_ERASE_1                     0x60
+#define        BLK_ERASE_2                     0xD0
+#define READ_STS                       0x70
+#define READ_xD_ID                     0x9A
+#define        COPY_BACK_512                   0x8A
+#define        COPY_BACK_2K                    0x85
+#define        READ1_1_2                       0x30
+#define        READ1_1_3                       0x35
+#define        CHG_DAT_OUT_1                   0x05
+#define RDM_DAT_OUT_1                  0x05
+#define        CHG_DAT_OUT_2                   0xE0
+#define RDM_DAT_OUT_2                  0xE0
+#define        CHG_DAT_OUT_2                   0xE0
+#define        CHG_DAT_IN_1                    0x85
+#define        CACHE_PRG                       0x15
+
+/* Redundant Area Related */
+#define XD_EXTRA_SIZE                  0x10
+#define XD_2K_EXTRA_SIZE               0x40
+
+/* Define for XD Status  */
+#define        NOT_WRITE_PROTECTED             0x80
+#define        READY_STATE                     0x40
+#define        PROGRAM_ERROR                   0x01
+#define        PROGRAM_ERROR_N_1               0x02
+#define        INTERNAL_READY                  0x20
+#define        READY_FLAG                      0x5F
+
+/* Define for device code */
+#define        XD_8M_X8_512                    0xE6
+#define        XD_16M_X8_512                   0x73
+#define        XD_32M_X8_512                   0x75
+#define        XD_64M_X8_512                   0x76
+#define        XD_128M_X8_512                  0x79
+#define        XD_256M_X8_512                  0x71
+#define        XD_128M_X8_2048                 0xF1
+#define        XD_256M_X8_2048                 0xDA
+#define        XD_512M_X8                      0xDC
+#define        XD_128M_X16_2048                0xC1
+#define        XD_4M_X8_512_1                  0xE3
+#define        XD_4M_X8_512_2                  0xE5
+#define        xD_1G_X8_512                    0xD3
+#define        xD_2G_X8_512                    0xD5
+
+#define        XD_ID_CODE                      0xB5
+
+#define        VENDOR_BLOCK                    0xEFFF
+#define        CIS_BLOCK                       0xDFFF
+
+#define        BLK_NOT_FOUND                   0xFFFFFFFF
+
+#define        NO_NEW_BLK                      0xFFFFFFFF
+
+#define        PAGE_CORRECTABLE                0x0
+#define        PAGE_NOTCORRECTABLE             0x1
+
+#define        NO_OFFSET                       0x0
+#define        WITH_OFFSET                     0x1
+
+#define        Sect_Per_Page                   4
+#define        XD_ADDR_MODE_2C                 XD_ADDR_MODE_2A
+
+#define ZONE0_BAD_BLOCK                        23
+#define NOT_ZONE0_BAD_BLOCK            24
+
+/* Assign address mode */
+#define        XD_RW_ADDR                      0x01
+#define        XD_ERASE_ADDR                   0x02
+
+/* Macro Definition */
+#define        XD_PAGE_512(xd_card)            \
+       do {    \
+               (xd_card)->block_shift = 5;     \
+               (xd_card)->page_off = 0x1F;     \
+       } while (0)
+
+#define        XD_SET_BAD_NEWBLK(xd_card)      ((xd_card)->multi_flag |= 0x01)
+#define        XD_CLR_BAD_NEWBLK(xd_card)      ((xd_card)->multi_flag &= ~0x01)
+#define        XD_CHK_BAD_NEWBLK(xd_card)      ((xd_card)->multi_flag & 0x01)
+
+#define        XD_SET_BAD_OLDBLK(xd_card)      ((xd_card)->multi_flag |= 0x02)
+#define        XD_CLR_BAD_OLDBLK(xd_card)      ((xd_card)->multi_flag &= ~0x02)
+#define        XD_CHK_BAD_OLDBLK(xd_card)      ((xd_card)->multi_flag & 0x02)
+
+#define        XD_SET_MBR_FAIL(xd_card)        ((xd_card)->multi_flag |= 0x04)
+#define        XD_CLR_MBR_FAIL(xd_card)        ((xd_card)->multi_flag &= ~0x04)
+#define        XD_CHK_MBR_FAIL(xd_card)        ((xd_card)->multi_flag & 0x04)
+
+#define        XD_SET_ECC_FLD_ERR(xd_card)     ((xd_card)->multi_flag |= 0x08)
+#define        XD_CLR_ECC_FLD_ERR(xd_card)     ((xd_card)->multi_flag &= ~0x08)
+#define        XD_CHK_ECC_FLD_ERR(xd_card)     ((xd_card)->multi_flag & 0x08)
+
+#define        XD_SET_4MB(xd_card)             ((xd_card)->multi_flag |= 0x10)
+#define        XD_CLR_4MB(xd_card)             ((xd_card)->multi_flag &= ~0x10)
+#define        XD_CHK_4MB(xd_card)             ((xd_card)->multi_flag & 0x10)
+
+#define        XD_SET_ECC_ERR(xd_card)         ((xd_card)->multi_flag |= 0x40)
+#define        XD_CLR_ECC_ERR(xd_card)         ((xd_card)->multi_flag &= ~0x40)
+#define        XD_CHK_ECC_ERR(xd_card)         ((xd_card)->multi_flag & 0x40)
+
+/* Offset in xD redundant buffer */
+#define PAGE_STATUS            0
+#define BLOCK_STATUS           1
+#define BLOCK_ADDR1_L          2
+#define BLOCK_ADDR1_H          3
+#define BLOCK_ADDR2_L          4
+#define BLOCK_ADDR2_H          5
+#define RESERVED0              6
+#define RESERVED1              7
+#define RESERVED2              8
+#define RESERVED3              9
+#define PARITY                 10
+
+/* For CIS block */
+#define        CIS0_0                  0
+#define        CIS0_1                  1
+#define        CIS0_2                  2
+#define        CIS0_3                  3
+#define        CIS0_4                  4
+#define        CIS0_5                  5
+#define        CIS0_6                  6
+#define        CIS0_7                  7
+#define        CIS0_8                  8
+#define        CIS0_9                  9
+#define        CIS1_0                  256
+#define        CIS1_1                  (256 + 1)
+#define        CIS1_2                  (256 + 2)
+#define        CIS1_3                  (256 + 3)
+#define        CIS1_4                  (256 + 4)
+#define        CIS1_5                  (256 + 5)
+#define        CIS1_6                  (256 + 6)
+#define        CIS1_7                  (256 + 7)
+#define        CIS1_8                  (256 + 8)
+#define        CIS1_9                  (256 + 9)
+
+int reset_xd_card(struct rts51x_chip *chip);
+int xd_delay_write(struct rts51x_chip *chip);
+int xd_rw(struct scsi_cmnd *srb, struct rts51x_chip *chip, u32 start_sector,
+         u16 sector_cnt);
+void xd_free_l2p_tbl(struct rts51x_chip *chip);
+void xd_cleanup_work(struct rts51x_chip *chip);
+int xd_power_off_card3v3(struct rts51x_chip *chip);
+int release_xd_card(struct rts51x_chip *chip);
+
+#endif /* __RTS51X_XD_H */