--- /dev/null
+/*
+ * Afatech AF9035 DVB USB driver
+ *
+ * Copyright (C) 2009 Antti Palosaari <crope@iki.fi>
+ * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
+ *
+ * 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 of the License, 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "af9035.h"
+#include "af9033.h"
+#include "tua9001.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+static DEFINE_MUTEX(af9035_usb_mutex);
+static struct config af9035_config;
+static struct dvb_usb_device_properties af9035_properties[1];
+static int af9035_properties_count = ARRAY_SIZE(af9035_properties);
+static struct af9033_config af9035_af9033_config[] = {
+ {
+ .ts_mode = AF9033_TS_MODE_USB,
+ }, {
+ .ts_mode = AF9033_TS_MODE_SERIAL,
+ }
+};
+
+static int af9035_ctrl_msg(struct usb_device *udev, struct usb_req *req)
+{
+#define BUF_LEN 63
+#define REQ_HDR_LEN 4 /* send header size */
+#define ACK_HDR_LEN 3 /* rece header size */
+#define CHECKSUM_LEN 2
+#define USB_TIMEOUT 2000
+
+ int ret, i, act_len;
+ u8 buf[BUF_LEN];
+ u32 msg_len;
+ static u8 seq; /* packet sequence number */
+ u16 checksum = 0;
+
+ /* buffer overflow check */
+ if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) ||
+ req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) {
+ pr_debug("%s: too much data wlen=%d rlen=%d\n", __func__,
+ req->wlen, req->rlen);
+ return -EINVAL;
+ }
+
+ if (mutex_lock_interruptible(&af9035_usb_mutex) < 0)
+ return -EAGAIN;
+
+ buf[0] = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN - 1;
+ buf[1] = req->mbox;
+ buf[2] = req->cmd;
+ buf[3] = seq++;
+ if (req->wlen)
+ memcpy(&buf[4], req->wbuf, req->wlen);
+
+ /* calc and add checksum */
+ for (i = 1; i < buf[0]-1; i++) {
+ if (i % 2)
+ checksum += buf[i] << 8;
+ else
+ checksum += buf[i];
+ }
+ checksum = ~checksum;
+
+ buf[buf[0]-1] = (checksum >> 8);
+ buf[buf[0]-0] = (checksum & 0xff);
+
+ msg_len = REQ_HDR_LEN + req->wlen + CHECKSUM_LEN ;
+
+ /* send req */
+ ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x02), buf, msg_len,
+ &act_len, USB_TIMEOUT);
+ if (ret < 0)
+ err("bulk message failed=%d (%d/%d)", ret, msg_len, act_len);
+ else
+ if (act_len != msg_len)
+ ret = -EIO; /* all data is not send */
+ if (ret < 0)
+ goto err_mutex_unlock;
+
+ /* no ack for those packets */
+ if (req->cmd == CMD_FW_DL)
+ goto exit_mutex_unlock;
+
+ /* receive ack and data if read req */
+ msg_len = ACK_HDR_LEN + req->rlen + CHECKSUM_LEN;
+ ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, 0x81), buf, msg_len,
+ &act_len, USB_TIMEOUT);
+ if (ret < 0) {
+ err("recv bulk message failed=%d", ret);
+ ret = -EIO;
+ goto err_mutex_unlock;
+ }
+
+ /* check status */
+ if (buf[2]) {
+ pr_debug("%s: command=%02x failed fw error=%d\n", __func__,
+ req->cmd, buf[2]);
+ ret = -EIO;
+ goto err_mutex_unlock;
+ }
+
+ /* read request, copy returned data to return buf */
+ if (req->rlen)
+ memcpy(req->rbuf, &buf[ACK_HDR_LEN], req->rlen);
+
+err_mutex_unlock:
+exit_mutex_unlock:
+ mutex_unlock(&af9035_usb_mutex);
+
+ return ret;
+}
+
+/* write multiple registers */
+static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
+{
+ u8 wbuf[6 + len];
+ u8 mbox = (reg >> 16) & 0xff;
+ struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL };
+
+ wbuf[0] = len;
+ wbuf[1] = 2;
+ wbuf[2] = 0;
+ wbuf[3] = 0;
+ wbuf[4] = (reg >> 8) & 0xff;
+ wbuf[5] = (reg >> 0) & 0xff;
+ memcpy(&wbuf[6], val, len);
+
+ return af9035_ctrl_msg(d->udev, &req);
+}
+
+/* read multiple registers */
+static int af9035_rd_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
+{
+ u8 wbuf[] = { len, 2, 0, 0, (reg >> 8) & 0xff, reg & 0xff };
+ u8 mbox = (reg >> 16) & 0xff;
+ struct usb_req req = { CMD_MEM_RD, mbox, sizeof(wbuf), wbuf, len, val };
+
+ return af9035_ctrl_msg(d->udev, &req);
+}
+
+/* write single register */
+static int af9035_wr_reg(struct dvb_usb_device *d, u32 reg, u8 val)
+{
+ return af9035_wr_regs(d, reg, &val, 1);
+}
+
+/* read single register */
+static int af9035_rd_reg(struct dvb_usb_device *d, u32 reg, u8 *val)
+{
+ return af9035_rd_regs(d, reg, val, 1);
+}
+
+/* write single register with mask */
+static int af9035_wr_reg_mask(struct dvb_usb_device *d, u32 reg, u8 val,
+ u8 mask)
+{
+ int ret;
+ u8 tmp;
+
+ /* no need for read if whole reg is written */
+ if (mask != 0xff) {
+ ret = af9035_rd_regs(d, reg, &tmp, 1);
+ if (ret)
+ return ret;
+
+ val &= mask;
+ tmp &= ~mask;
+ val |= tmp;
+ }
+
+ return af9035_wr_regs(d, reg, &val, 1);
+}
+
+static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
+ struct i2c_msg msg[], int num)
+{
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ int ret;
+
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+ return -EAGAIN;
+
+ if (num == 2 && !(msg[0].flags & I2C_M_RD) &&
+ (msg[1].flags & I2C_M_RD)) {
+ if (msg[0].len > 40 || msg[1].len > 40) {
+ /* TODO: correct limits > 40 */
+ ret = -EOPNOTSUPP;
+ } else if (msg[0].addr == af9035_af9033_config[0].i2c_addr) {
+ /* integrated demod */
+ u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
+ msg[0].buf[2];
+ ret = af9035_rd_regs(d, reg, &msg[1].buf[0],
+ msg[1].len);
+ } else {
+ /* I2C */
+#if 0
+ /*
+ * FIXME: Keep that code. It should work but as it is
+ * not tested I left it disabled and return -EOPNOTSUPP
+ * for the sure.
+ */
+ u8 buf[4 + msg[0].len];
+ struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
+ buf, msg[1].len, msg[1].buf };
+ buf[0] = msg[0].len;
+ buf[1] = msg[0].addr << 1;
+ buf[2] = 0x01;
+ buf[3] = 0x00;
+ memcpy(&buf[4], msg[0].buf, msg[0].len);
+ ret = af9035_ctrl_msg(d->udev, &req);
+#endif
+ pr_debug("%s: I2C operation not supported\n", __func__);
+ ret = -EOPNOTSUPP;
+ }
+ } else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
+ if (msg[0].len > 40) {
+ /* TODO: correct limits > 40 */
+ ret = -EOPNOTSUPP;
+ } else if (msg[0].addr == af9035_af9033_config[0].i2c_addr) {
+ /* integrated demod */
+ u32 reg = msg[0].buf[0] << 16 | msg[0].buf[1] << 8 |
+ msg[0].buf[2];
+ ret = af9035_wr_regs(d, reg, &msg[0].buf[3],
+ msg[0].len - 3);
+ } else {
+ /* I2C */
+ u8 buf[4 + msg[0].len];
+ struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf,
+ 0, NULL };
+ buf[0] = msg[0].len;
+ buf[1] = msg[0].addr << 1;
+ buf[2] = 0x01;
+ buf[3] = 0x00;
+ memcpy(&buf[4], msg[0].buf, msg[0].len);
+ ret = af9035_ctrl_msg(d->udev, &req);
+ }
+ } else {
+ /*
+ * We support only two kind of I2C transactions:
+ * 1) 1 x read + 1 x write
+ * 2) 1 x write
+ */
+ ret = -EOPNOTSUPP;
+ }
+
+ mutex_unlock(&d->i2c_mutex);
+
+ if (ret < 0)
+ return ret;
+ else
+ return num;
+}
+
+static u32 af9035_i2c_functionality(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm af9035_i2c_algo = {
+ .master_xfer = af9035_i2c_master_xfer,
+ .functionality = af9035_i2c_functionality,
+};
+
+static int af9035_init(struct dvb_usb_device *d)
+{
+ int ret, i;
+ u16 frame_size = 87 * 188 / 4;
+ u8 packet_size = 512 / 4;
+ struct reg_val_mask tab[] = {
+ { 0x80f99d, 0x01, 0x01 },
+ { 0x80f9a4, 0x01, 0x01 },
+ { 0x00dd11, 0x00, 0x20 },
+ { 0x00dd11, 0x00, 0x40 },
+ { 0x00dd13, 0x00, 0x20 },
+ { 0x00dd13, 0x00, 0x40 },
+ { 0x00dd11, 0x20, 0x20 },
+ { 0x00dd88, (frame_size >> 0) & 0xff, 0xff},
+ { 0x00dd89, (frame_size >> 8) & 0xff, 0xff},
+ { 0x00dd0c, packet_size, 0xff},
+ { 0x00dd11, af9035_config.dual_mode << 6, 0x40 },
+ { 0x00dd8a, (frame_size >> 0) & 0xff, 0xff},
+ { 0x00dd8b, (frame_size >> 8) & 0xff, 0xff},
+ { 0x00dd0d, packet_size, 0xff },
+ { 0x80f9a3, 0x00, 0x01 },
+ { 0x80f9cd, 0x00, 0x01 },
+ { 0x80f99d, 0x00, 0x01 },
+ { 0x80f9a4, 0x00, 0x01 },
+ };
+
+ pr_debug("%s: USB speed=%d frame_size=%04x packet_size=%02x\n",
+ __func__, d->udev->speed, frame_size, packet_size);
+
+ /* init endpoints */
+ for (i = 0; i < ARRAY_SIZE(tab); i++) {
+ ret = af9035_wr_reg_mask(d, tab[i].reg, tab[i].val,
+ tab[i].mask);
+ if (ret < 0)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+static int af9035_identify_state(struct usb_device *udev,
+ struct dvb_usb_device_properties *props,
+ struct dvb_usb_device_description **desc,
+ int *cold)
+{
+ int ret;
+ u8 wbuf[1] = { 1 };
+ u8 rbuf[4];
+ struct usb_req req = { CMD_FW_QUERYINFO, 0, sizeof(wbuf), wbuf,
+ sizeof(rbuf), rbuf };
+
+ ret = af9035_ctrl_msg(udev, &req);
+ if (ret < 0)
+ goto err;
+
+ pr_debug("%s: reply=%02x %02x %02x %02x\n", __func__,
+ rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
+ if (rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])
+ *cold = 0;
+ else
+ *cold = 1;
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+static int af9035_download_firmware(struct usb_device *udev,
+ const struct firmware *fw)
+{
+ u8 *fw_data_ptr = (u8 *) fw->data;
+ int i, j, len, packets, remainder, ret;
+ u8 wbuf[1];
+ u8 rbuf[4];
+ struct fw_header fw_hdr;
+ struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
+ struct usb_req req_fw_dl = { CMD_FW_DL, 0, 0, wbuf, 0, NULL };
+ struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;
+
+ /* read firmware segment info from beginning of the firmware file */
+ fw_hdr.segment_count = *fw_data_ptr++;
+ pr_debug("%s: fw segment count=%d\n", __func__, fw_hdr.segment_count);
+ if (fw_hdr.segment_count > SEGMENT_MAX_COUNT) {
+ pr_debug("%s: too big fw segmen count=%d\n", __func__,
+ fw_hdr.segment_count);
+ fw_hdr.segment_count = SEGMENT_MAX_COUNT;
+ }
+ for (i = 0; i < fw_hdr.segment_count; i++) {
+ fw_hdr.segment[i].type = (*fw_data_ptr++);
+ fw_hdr.segment[i].len = (*fw_data_ptr++) << 24;
+ fw_hdr.segment[i].len += (*fw_data_ptr++) << 16;
+ fw_hdr.segment[i].len += (*fw_data_ptr++) << 8;
+ fw_hdr.segment[i].len += (*fw_data_ptr++) << 0;
+ pr_debug("%s: fw segment type=%d len=%d\n", __func__,
+ fw_hdr.segment[i].type, fw_hdr.segment[i].len);
+ }
+
+ #define FW_PACKET_MAX_DATA 57 /* 63-4-2, packet_size-header-checksum */
+
+ /* download all segments */
+ for (i = 0; i < fw_hdr.segment_count; i++) {
+ pr_debug("%s: segment type=%d\n", __func__,
+ fw_hdr.segment[i].type);
+ if (fw_hdr.segment[i].type == SEGMENT_FW_DL) {
+ /* download begin packet */
+ req.cmd = CMD_FW_DL_BEGIN;
+ ret = af9035_ctrl_msg(udev, &req);
+ if (ret < 0) {
+ pr_debug("%s: fw dl failed=%d\n", __func__,
+ ret);
+ goto err;
+ }
+
+ packets = fw_hdr.segment[i].len / FW_PACKET_MAX_DATA;
+ remainder = fw_hdr.segment[i].len % FW_PACKET_MAX_DATA;
+ len = FW_PACKET_MAX_DATA;
+ for (j = 0; j <= packets; j++) {
+ if (j == packets) /* size of the last packet */
+ len = remainder;
+
+ req_fw_dl.wlen = len;
+ req_fw_dl.wbuf = fw_data_ptr;
+ ret = af9035_ctrl_msg(udev, &req_fw_dl);
+ if (ret < 0) {
+ pr_debug("%s: fw dl failed=%d " \
+ "segment=%d " \
+ "packet=%d\n",
+ __func__, ret, i, j);
+ goto err;
+ }
+ fw_data_ptr += len;
+ }
+ /* download end packet */
+ req.cmd = CMD_FW_DL_END;
+ ret = af9035_ctrl_msg(udev, &req);
+ if (ret < 0) {
+ pr_debug("%s: fw dl failed=%d\n", __func__,
+ ret);
+ goto err;
+ }
+ } else {
+ pr_debug("%s: segment type=%d not implemented\n",
+ __func__, fw_hdr.segment[i].type);
+ }
+ }
+
+ /* firmware loaded, request boot */
+ req.cmd = CMD_FW_BOOT;
+ ret = af9035_ctrl_msg(udev, &req);
+ if (ret < 0)
+ goto err;
+
+ /* ensure firmware starts */
+ wbuf[0] = 1;
+ ret = af9035_ctrl_msg(udev, &req_fw_ver);
+ if (ret < 0)
+ goto err;
+
+ pr_debug("%s: reply=%02x %02x %02x %02x\n", __func__,
+ rbuf[0], rbuf[1], rbuf[2], rbuf[3]);
+
+ if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
+ pr_debug("%s: fw did not run\n", __func__);
+ ret = -ENODEV;
+ goto err;
+ }
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+/* abuse that callback as there is no better one for reading eeprom */
+static int af9035_read_mac_address(struct dvb_usb_device *d, u8 mac[6])
+{
+ int ret, i, eeprom_shift = 0;
+ u8 tmp;
+ u16 tmp16;
+
+ /* check if there is dual tuners */
+ ret = af9035_rd_reg(d, EEPROM_DUAL_MODE, &tmp);
+ if (ret < 0)
+ goto err;
+
+ af9035_config.dual_mode = tmp;
+ pr_debug("%s: dual mode=%d\n", __func__, af9035_config.dual_mode);
+
+ for (i = 0; i < af9035_properties[0].num_adapters; i++) {
+ /* tuner */
+ ret = af9035_rd_reg(d, EEPROM_1_TUNER_ID + eeprom_shift, &tmp);
+ if (ret < 0)
+ goto err;
+
+ af9035_af9033_config[i].tuner = tmp;
+ pr_debug("%s: [%d]tuner=%02x\n", __func__, i, tmp);
+
+ switch (tmp) {
+ case AF9033_TUNER_TUA9001:
+ af9035_af9033_config[i].spec_inv = 1;
+ break;
+ default:
+ warn("tuner ID=%20x not supported, please report!",
+ tmp);
+ ret = -ENODEV;
+ goto err;
+ };
+
+ /* tuner IF frequency */
+ ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_L + eeprom_shift, &tmp);
+ if (ret < 0)
+ goto err;
+
+ tmp16 = tmp;
+
+ ret = af9035_rd_reg(d, EEPROM_1_IFFREQ_H + eeprom_shift, &tmp);
+ if (ret < 0)
+ goto err;
+
+ tmp16 |= tmp << 8;
+
+ pr_debug("%s: [%d]IF=%d\n", __func__, i, tmp16);
+
+ eeprom_shift = 0x10; /* shift for the 2nd tuner params */
+ }
+
+ /* get demod clock */
+ ret = af9035_rd_reg(d, 0x00d800, &tmp);
+ if (ret < 0)
+ goto err;
+
+ tmp = (tmp >> 0) & 0x0f;
+
+ for (i = 0; i < af9035_properties[0].num_adapters; i++)
+ af9035_af9033_config[i].clock = clock_lut[tmp];
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ int ret;
+
+ if (adap->id == 0) {
+ ret = af9035_wr_reg(adap->dev, 0x00417f,
+ af9035_af9033_config[1].i2c_addr);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg(adap->dev, 0x00d81a,
+ af9035_config.dual_mode);
+ if (ret < 0)
+ goto err;
+ }
+
+ /* attach demodulator */
+ adap->fe_adap[0].fe = dvb_attach(af9033_attach,
+ &af9035_af9033_config[adap->id], &adap->dev->i2c_adap);
+ if (adap->fe_adap[0].fe == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+static struct tua9001_config af9035_tua9001_config = {
+ .i2c_addr = 0x60,
+};
+
+static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ int ret;
+ struct dvb_frontend *fe;
+
+ switch (af9035_af9033_config[adap->id].tuner) {
+ case AF9033_TUNER_TUA9001:
+ /* AF9035 gpiot3 = TUA9001 RESETN
+ AF9035 gpiot2 = TUA9001 RXEN */
+
+ /* configure gpiot2 and gpiot2 as output */
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8ec, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8ed, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8e8, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8e9, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ /* reset tuner */
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8e7, 0x00, 0x01);
+ if (ret < 0)
+ goto err;
+
+ usleep_range(2000, 20000);
+
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8e7, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ /* activate tuner RX */
+ /* TODO: use callback for TUA9001 RXEN */
+ ret = af9035_wr_reg_mask(adap->dev, 0x00d8eb, 0x01, 0x01);
+ if (ret < 0)
+ goto err;
+
+ /* attach tuner */
+ fe = dvb_attach(tua9001_attach, adap->fe_adap[0].fe,
+ &adap->dev->i2c_adap, &af9035_tua9001_config);
+ break;
+ default:
+ fe = NULL;
+ }
+
+ if (fe == NULL) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+enum af9035_id_entry {
+ AF9035_0CCD_0093,
+};
+
+static struct usb_device_id af9035_id[] = {
+ [AF9035_0CCD_0093] = {
+ USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_STICK)},
+ {},
+};
+
+MODULE_DEVICE_TABLE(usb, af9035_id);
+
+static struct dvb_usb_device_properties af9035_properties[] = {
+ {
+ .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+ .usb_ctrl = DEVICE_SPECIFIC,
+ .download_firmware = af9035_download_firmware,
+ .firmware = "dvb-usb-af9035-01.fw",
+ .no_reconnect = 1,
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .num_frontends = 1,
+ .fe = {
+ {
+ .frontend_attach = af9035_frontend_attach,
+ .tuner_attach = af9035_tuner_attach,
+ .stream = {
+ .type = USB_BULK,
+ .count = 6,
+ .endpoint = 0x84,
+ .u = {
+ .bulk = {
+ .buffersize = (87 * 188),
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+
+ .identify_state = af9035_identify_state,
+ .read_mac_address = af9035_read_mac_address,
+
+ .i2c_algo = &af9035_i2c_algo,
+
+ .num_device_descs = 1,
+ .devices = {
+ {
+ .name = "TerraTec Cinergy T Stick",
+ .cold_ids = {
+ &af9035_id[AF9035_0CCD_0093],
+ },
+ },
+ }
+ },
+};
+
+static int af9035_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ int ret, i;
+ struct dvb_usb_device *d = NULL;
+ struct usb_device *udev;
+ bool found;
+
+ pr_debug("%s: interface=%d\n", __func__,
+ intf->cur_altsetting->desc.bInterfaceNumber);
+
+ /* interface 0 is used by DVB-T receiver and
+ interface 1 is for remote controller (HID) */
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return 0;
+
+ /* Dynamic USB ID support. Replaces first device ID with current one. */
+ udev = interface_to_usbdev(intf);
+
+ for (i = 0, found = false; i < ARRAY_SIZE(af9035_id) - 1; i++) {
+ if (af9035_id[i].idVendor ==
+ le16_to_cpu(udev->descriptor.idVendor) &&
+ af9035_id[i].idProduct ==
+ le16_to_cpu(udev->descriptor.idProduct)) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ pr_debug("%s: using dynamic ID %04x:%04x\n", __func__,
+ le16_to_cpu(udev->descriptor.idVendor),
+ le16_to_cpu(udev->descriptor.idProduct));
+ af9035_properties[0].devices[0].cold_ids[0]->idVendor =
+ le16_to_cpu(udev->descriptor.idVendor);
+ af9035_properties[0].devices[0].cold_ids[0]->idProduct =
+ le16_to_cpu(udev->descriptor.idProduct);
+ }
+
+
+ for (i = 0; i < af9035_properties_count; i++) {
+ ret = dvb_usb_device_init(intf, &af9035_properties[i],
+ THIS_MODULE, &d, adapter_nr);
+
+ if (ret == -ENODEV)
+ continue;
+ else
+ break;
+ }
+
+ if (ret < 0)
+ goto err;
+
+ if (d) {
+ ret = af9035_init(d);
+ if (ret < 0)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver af9035_usb_driver = {
+ .name = "dvb_usb_af9035",
+ .probe = af9035_usb_probe,
+ .disconnect = dvb_usb_device_exit,
+ .id_table = af9035_id,
+};
+
+/* module stuff */
+static int __init af9035_usb_module_init(void)
+{
+ int ret;
+
+ ret = usb_register(&af9035_usb_driver);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+
+err:
+ pr_debug("%s: failed=%d\n", __func__, ret);
+
+ return ret;
+}
+
+static void __exit af9035_usb_module_exit(void)
+{
+ /* deregister this driver from the USB subsystem */
+ usb_deregister(&af9035_usb_driver);
+}
+
+module_init(af9035_usb_module_init);
+module_exit(af9035_usb_module_exit);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Afatech AF9035 driver");
+MODULE_LICENSE("GPL");
projects / ~shefty / rdma-dev.git / commitdiff