From 3822c7cef7b422833f1b58949a01bd87b822d280 Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Sun, 6 Nov 2011 10:24:30 -0300 Subject: [PATCH] [media] it913x ver 1.09 support for USB 1 devices (IT9135) IT9135 devices do support USB 1. Support added with restricton on pid count to 5. IT9137 devices wil not connect in USB 1 mode. Signed-off-by: Malcolm Priestley Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/it913x.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/it913x.c b/drivers/media/dvb/dvb-usb/it913x.c index a541904851f..9f582411e7d 100644 --- a/drivers/media/dvb/dvb-usb/it913x.c +++ b/drivers/media/dvb/dvb-usb/it913x.c @@ -350,6 +350,19 @@ static int it913x_identify_state(struct usb_device *udev, /* checnk for dual mode */ it913x_config.dual_mode = it913x_read_reg(udev, 0x49c5); + if (udev->speed != USB_SPEED_HIGH) { + props->adapter[0].fe[0].pid_filter_count = 5; + info("USB 1 low speed mode - connect to USB 2 port"); + if (pid_filter > 0) + pid_filter = 0; + if (it913x_config.dual_mode) { + it913x_config.dual_mode = 0; + info("Dual mode not supported in USB 1"); + } + } else /* For replugging */ + if(props->adapter[0].fe[0].pid_filter_count == 5) + props->adapter[0].fe[0].pid_filter_count = 31; + /* TODO different remotes */ remote = it913x_read_reg(udev, 0x49ac); /* Remote */ if (remote == 0) @@ -499,6 +512,10 @@ static int it913x_frontend_attach(struct dvb_usb_adapter *adap) int ret = 0; u8 adap_addr = I2C_BASE_ADDR + (adap->id << 5); u16 ep_size = adap->props.fe[0].stream.u.bulk.buffersize; + u8 pkt_size = 0x80; + + if (adap->dev->udev->speed != USB_SPEED_HIGH) + pkt_size = 0x10; it913x_config.adf = it913x_read_reg(udev, IO_MUX_POWER_CLK); @@ -514,13 +531,13 @@ static int it913x_frontend_attach(struct dvb_usb_adapter *adap) ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_LSB, ep_size & 0xff); ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_MSB, ep_size >> 8); - ret = it913x_wr_reg(udev, DEV_0, EP4_MAX_PKT, 0x80); + ret = it913x_wr_reg(udev, DEV_0, EP4_MAX_PKT, pkt_size); } else if (adap->id == 1 && adap->fe_adap[0].fe) { ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x6f); ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_LSB, ep_size & 0xff); ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_MSB, ep_size >> 8); - ret = it913x_wr_reg(udev, DEV_0, EP5_MAX_PKT, 0x80); + ret = it913x_wr_reg(udev, DEV_0, EP5_MAX_PKT, pkt_size); ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_EN, 0x1); ret = it913x_wr_reg(udev, DEV_1_DMOD, MP2IF_SERIAL, 0x1); ret = it913x_wr_reg(udev, DEV_1, TOP_HOSTB_SER_MODE, 0x1); @@ -676,5 +693,5 @@ module_exit(it913x_module_exit); MODULE_AUTHOR("Malcolm Priestley "); MODULE_DESCRIPTION("it913x USB 2 Driver"); -MODULE_VERSION("1.08"); +MODULE_VERSION("1.09"); MODULE_LICENSE("GPL"); -- 2.41.0