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path: root/drivers/media/usb/dvb-usb-v2/af9035.c
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Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/af9035.c')
-rw-r--r--drivers/media/usb/dvb-usb-v2/af9035.c66
1 files changed, 44 insertions, 22 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index b638fc1cd57..1ea17dc2a76 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -55,7 +55,7 @@ static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
if (req->wlen > (BUF_LEN - REQ_HDR_LEN - CHECKSUM_LEN) ||
req->rlen > (BUF_LEN - ACK_HDR_LEN - CHECKSUM_LEN)) {
dev_err(&d->udev->dev, "%s: too much data wlen=%d rlen=%d\n",
- __func__, req->wlen, req->rlen);
+ KBUILD_MODNAME, req->wlen, req->rlen);
ret = -EINVAL;
goto exit;
}
@@ -91,9 +91,10 @@ static int af9035_ctrl_msg(struct dvb_usb_device *d, struct usb_req *req)
checksum = af9035_checksum(state->buf, rlen - 2);
tmp_checksum = (state->buf[rlen - 2] << 8) | state->buf[rlen - 1];
if (tmp_checksum != checksum) {
- dev_err(&d->udev->dev, "%s: command=%02x checksum mismatch " \
- "(%04x != %04x)\n", KBUILD_MODNAME, req->cmd,
- tmp_checksum, checksum);
+ dev_err(&d->udev->dev,
+ "%s: command=%02x checksum mismatch (%04x != %04x)\n",
+ KBUILD_MODNAME, req->cmd, tmp_checksum,
+ checksum);
ret = -EIO;
goto exit;
}
@@ -268,11 +269,29 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
memcpy(&buf[5], msg[0].buf, msg[0].len);
ret = af9035_ctrl_msg(d, &req);
}
+ } else if (num == 1 && (msg[0].flags & I2C_M_RD)) {
+ if (msg[0].len > 40) {
+ /* TODO: correct limits > 40 */
+ ret = -EOPNOTSUPP;
+ } else {
+ /* I2C */
+ u8 buf[5];
+ struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
+ buf, msg[0].len, msg[0].buf };
+ req.mbox |= ((msg[0].addr & 0x80) >> 3);
+ buf[0] = msg[0].len;
+ buf[1] = msg[0].addr << 1;
+ buf[2] = 0x00; /* reg addr len */
+ buf[3] = 0x00; /* reg addr MSB */
+ buf[4] = 0x00; /* reg addr LSB */
+ ret = af9035_ctrl_msg(d, &req);
+ }
} else {
/*
- * We support only two kind of I2C transactions:
- * 1) 1 x read + 1 x write
+ * We support only three kind of I2C transactions:
+ * 1) 1 x read + 1 x write (repeated start)
* 2) 1 x write
+ * 3) 1 x read
*/
ret = -EOPNOTSUPP;
}
@@ -317,8 +336,8 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
dev_info(&d->udev->dev,
"%s: prechip_version=%02x chip_version=%02x chip_type=%04x\n",
- __func__, state->prechip_version, state->chip_version,
- state->chip_type);
+ KBUILD_MODNAME, state->prechip_version,
+ state->chip_version, state->chip_type);
if (state->chip_type == 0x9135) {
if (state->chip_version == 0x02)
@@ -382,9 +401,10 @@ static int af9035_download_firmware_old(struct dvb_usb_device *d,
hdr_checksum = fw->data[fw->size - i + 5] << 8;
hdr_checksum |= fw->data[fw->size - i + 6] << 0;
- dev_dbg(&d->udev->dev, "%s: core=%d addr=%04x data_len=%d " \
- "checksum=%04x\n", __func__, hdr_core, hdr_addr,
- hdr_data_len, hdr_checksum);
+ dev_dbg(&d->udev->dev,
+ "%s: core=%d addr=%04x data_len=%d checksum=%04x\n",
+ __func__, hdr_core, hdr_addr, hdr_data_len,
+ hdr_checksum);
if (((hdr_core != 1) && (hdr_core != 2)) ||
(hdr_data_len > i)) {
@@ -489,7 +509,7 @@ static int af9035_download_firmware(struct dvb_usb_device *d,
u8 rbuf[4];
u8 tmp;
struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
- struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;
+ struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf };
dev_dbg(&d->udev->dev, "%s:\n", __func__);
/*
@@ -498,11 +518,11 @@ static int af9035_download_firmware(struct dvb_usb_device *d,
* which is done by master demod.
* Master feeds also clock and controls power via GPIO.
*/
- ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_DUAL_MODE, &tmp);
+ ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
if (ret < 0)
goto err;
- if (tmp) {
+ if (tmp == 1 || tmp == 3) {
/* configure gpioh1, reset & power slave demod */
ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
if (ret < 0)
@@ -620,13 +640,15 @@ static int af9035_read_config(struct dvb_usb_device *d)
}
/* check if there is dual tuners */
- ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_DUAL_MODE, &tmp);
+ ret = af9035_rd_reg(d, state->eeprom_addr + EEPROM_TS_MODE, &tmp);
if (ret < 0)
goto err;
- state->dual_mode = tmp;
- dev_dbg(&d->udev->dev, "%s: dual mode=%d\n", __func__,
- state->dual_mode);
+ if (tmp == 1 || tmp == 3)
+ state->dual_mode = true;
+
+ dev_dbg(&d->udev->dev, "%s: ts mode=%d dual mode=%d\n", __func__,
+ tmp, state->dual_mode);
if (state->dual_mode) {
/* read 2nd demodulator I2C address */
@@ -1200,9 +1222,9 @@ static int af9035_init(struct dvb_usb_device *d)
{ 0x80f9a4, 0x00, 0x01 },
};
- dev_dbg(&d->udev->dev, "%s: USB speed=%d frame_size=%04x " \
- "packet_size=%02x\n", __func__,
- d->udev->speed, frame_size, packet_size);
+ dev_dbg(&d->udev->dev,
+ "%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++) {
@@ -1477,7 +1499,7 @@ static const struct usb_device_id af9035_id_table[] = {
&af9035_props, "AVerMedia Twinstar (A825)", NULL) },
{ DVB_USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3100MINI_PLUS,
&af9035_props, "Asus U3100Mini Plus", NULL) },
- { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
+ { DVB_USB_DEVICE(USB_VID_TERRATEC, 0x00aa,
&af9035_props, "TerraTec Cinergy T Stick (rev. 2)", NULL) },
/* IT9135 devices */
#if 0
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-26 06:31:37 +0000