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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.c252
1 files changed, 159 insertions, 93 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index b638fc1cd57..7b9b75f6077 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -21,6 +21,9 @@
#include "af9035.h"
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE 64
+
DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
static u16 af9035_checksum(const u8 *buf, size_t len)
@@ -55,7 +58,7 @@ 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 +94,10 @@ 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;
}
@@ -125,9 +129,15 @@ exit:
/* write multiple registers */
static int af9035_wr_regs(struct dvb_usb_device *d, u32 reg, u8 *val, int len)
{
- u8 wbuf[6 + len];
+ u8 wbuf[MAX_XFER_SIZE];
u8 mbox = (reg >> 16) & 0xff;
- struct usb_req req = { CMD_MEM_WR, mbox, sizeof(wbuf), wbuf, 0, NULL };
+ struct usb_req req = { CMD_MEM_WR, mbox, 6 + len, wbuf, 0, NULL };
+
+ if (6 + len > sizeof(wbuf)) {
+ dev_warn(&d->udev->dev, "%s: i2c wr: len=%d is too big!\n",
+ KBUILD_MODNAME, len);
+ return -EOPNOTSUPP;
+ }
wbuf[0] = len;
wbuf[1] = 2;
@@ -227,9 +237,17 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
msg[1].len);
} else {
/* I2C */
- u8 buf[5 + msg[0].len];
- struct usb_req req = { CMD_I2C_RD, 0, sizeof(buf),
+ u8 buf[MAX_XFER_SIZE];
+ struct usb_req req = { CMD_I2C_RD, 0, 5 + msg[0].len,
buf, msg[1].len, msg[1].buf };
+
+ if (5 + msg[0].len > sizeof(buf)) {
+ dev_warn(&d->udev->dev,
+ "%s: i2c xfer: len=%d is too big!\n",
+ KBUILD_MODNAME, msg[0].len);
+ ret = -EOPNOTSUPP;
+ goto unlock;
+ }
req.mbox |= ((msg[0].addr & 0x80) >> 3);
buf[0] = msg[1].len;
buf[1] = msg[0].addr << 1;
@@ -256,9 +274,17 @@ static int af9035_i2c_master_xfer(struct i2c_adapter *adap,
msg[0].len - 3);
} else {
/* I2C */
- u8 buf[5 + msg[0].len];
- struct usb_req req = { CMD_I2C_WR, 0, sizeof(buf), buf,
- 0, NULL };
+ u8 buf[MAX_XFER_SIZE];
+ struct usb_req req = { CMD_I2C_WR, 0, 5 + msg[0].len,
+ buf, 0, NULL };
+
+ if (5 + msg[0].len > sizeof(buf)) {
+ dev_warn(&d->udev->dev,
+ "%s: i2c xfer: len=%d is too big!\n",
+ KBUILD_MODNAME, msg[0].len);
+ ret = -EOPNOTSUPP;
+ goto unlock;
+ }
req.mbox |= ((msg[0].addr & 0x80) >> 3);
buf[0] = msg[0].len;
buf[1] = msg[0].addr << 1;
@@ -268,15 +294,34 @@ 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;
}
+unlock:
mutex_unlock(&d->i2c_mutex);
if (ret < 0)
@@ -317,8 +362,8 @@ 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 +427,10 @@ 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 +535,7 @@ 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 +544,11 @@ 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)
@@ -529,6 +575,10 @@ static int af9035_download_firmware(struct dvb_usb_device *d,
if (ret < 0)
goto err;
+ /* use default I2C address if eeprom has no address set */
+ if (!tmp)
+ tmp = 0x3a;
+
if (state->chip_type == 0x9135) {
ret = af9035_wr_reg(d, 0x004bfb, tmp);
if (ret < 0)
@@ -591,6 +641,7 @@ static int af9035_read_config(struct dvb_usb_device *d)
/* demod I2C "address" */
state->af9033_config[0].i2c_addr = 0x38;
+ state->af9033_config[1].i2c_addr = 0x3a;
state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
@@ -620,13 +671,15 @@ 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 */
@@ -636,7 +689,9 @@ static int af9035_read_config(struct dvb_usb_device *d)
if (ret < 0)
goto err;
- state->af9033_config[1].i2c_addr = tmp;
+ if (tmp)
+ state->af9033_config[1].i2c_addr = tmp;
+
dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
__func__, tmp);
}
@@ -649,15 +704,41 @@ static int af9035_read_config(struct dvb_usb_device *d)
if (ret < 0)
goto err;
- if (tmp == 0x00)
- dev_dbg(&d->udev->dev,
- "%s: [%d]tuner not set, using default\n",
- __func__, i);
- else
+ dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
+ __func__, i, tmp);
+
+ /* tuner sanity check */
+ if (state->chip_type == 0x9135) {
+ if (state->chip_version == 0x02) {
+ /* IT9135 BX (v2) */
+ switch (tmp) {
+ case AF9033_TUNER_IT9135_60:
+ case AF9033_TUNER_IT9135_61:
+ case AF9033_TUNER_IT9135_62:
+ state->af9033_config[i].tuner = tmp;
+ break;
+ }
+ } else {
+ /* IT9135 AX (v1) */
+ switch (tmp) {
+ case AF9033_TUNER_IT9135_38:
+ case AF9033_TUNER_IT9135_51:
+ case AF9033_TUNER_IT9135_52:
+ state->af9033_config[i].tuner = tmp;
+ break;
+ }
+ }
+ } else {
+ /* AF9035 */
state->af9033_config[i].tuner = tmp;
+ }
- dev_dbg(&d->udev->dev, "%s: [%d]tuner=%02x\n",
- __func__, i, state->af9033_config[i].tuner);
+ if (state->af9033_config[i].tuner != tmp) {
+ dev_info(&d->udev->dev,
+ "%s: [%d] overriding tuner from %02x to %02x\n",
+ KBUILD_MODNAME, i, tmp,
+ state->af9033_config[i].tuner);
+ }
switch (state->af9033_config[i].tuner) {
case AF9033_TUNER_TUA9001:
@@ -890,12 +971,7 @@ static int af9035_frontend_callback(void *adapter_priv, int component,
static int af9035_get_adapter_count(struct dvb_usb_device *d)
{
struct state *state = d_to_priv(d);
-
- /* disable 2nd adapter as we don't have PID filters implemented */
- if (d->udev->speed == USB_SPEED_FULL)
- return 1;
- else
- return state->dual_mode + 1;
+ return state->dual_mode + 1;
}
static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
@@ -913,7 +989,7 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
/* attach demodulator */
adap->fe[0] = dvb_attach(af9033_attach, &state->af9033_config[adap->id],
- &d->i2c_adap);
+ &d->i2c_adap, &state->ops);
if (adap->fe[0] == NULL) {
ret = -ENODEV;
goto err;
@@ -1200,9 +1276,9 @@ 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++) {
@@ -1321,58 +1397,19 @@ static int af9035_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
return 0;
}
-/*
- * FIXME: PID filter is property of demodulator and should be moved to the
- * correct driver. Also we support only adapter #0 PID filter and will
- * disable adapter #1 if USB1.1 is used.
- */
static int af9035_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
- struct dvb_usb_device *d = adap_to_d(adap);
- int ret;
-
- dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff);
-
- ret = af9035_wr_reg_mask(d, 0x80f993, onoff, 0x01);
- if (ret < 0)
- goto err;
-
- return 0;
-
-err:
- dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ struct state *state = adap_to_priv(adap);
- return ret;
+ return state->ops.pid_filter_ctrl(adap->fe[0], onoff);
}
static int af9035_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
int onoff)
{
- struct dvb_usb_device *d = adap_to_d(adap);
- int ret;
- u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff};
-
- dev_dbg(&d->udev->dev, "%s: index=%d pid=%04x onoff=%d\n",
- __func__, index, pid, onoff);
-
- ret = af9035_wr_regs(d, 0x80f996, wbuf, 2);
- if (ret < 0)
- goto err;
-
- ret = af9035_wr_reg(d, 0x80f994, onoff);
- if (ret < 0)
- goto err;
-
- ret = af9035_wr_reg(d, 0x80f995, index);
- if (ret < 0)
- goto err;
-
- return 0;
-
-err:
- dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+ struct state *state = adap_to_priv(adap);
- return ret;
+ return state->ops.pid_filter(adap->fe[0], index, pid, onoff);
}
static int af9035_probe(struct usb_interface *intf,
@@ -1446,6 +1483,13 @@ static const struct dvb_usb_device_properties af9035_props = {
.stream = DVB_USB_STREAM_BULK(0x84, 6, 87 * 188),
}, {
+ .caps = DVB_USB_ADAP_HAS_PID_FILTER |
+ DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
+
+ .pid_filter_count = 32,
+ .pid_filter_ctrl = af9035_pid_filter_ctrl,
+ .pid_filter = af9035_pid_filter,
+
.stream = DVB_USB_STREAM_BULK(0x85, 6, 87 * 188),
},
},
@@ -1477,18 +1521,40 @@ 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
- { DVB_USB_DEVICE(0x048d, 0x9135,
- &af9035_props, "IT9135 reference design", NULL) },
- { DVB_USB_DEVICE(0x048d, 0x9006,
- &af9035_props, "IT9135 reference design", NULL) },
-#endif
+ { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135,
+ &af9035_props, "ITE 9135 Generic", RC_MAP_IT913X_V1) },
+ { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9005,
+ &af9035_props, "ITE 9135(9005) Generic", RC_MAP_IT913X_V2) },
+ { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135_9006,
+ &af9035_props, "ITE 9135(9006) Generic", RC_MAP_IT913X_V1) },
+ { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_1835,
+ &af9035_props, "Avermedia A835B(1835)", RC_MAP_IT913X_V2) },
+ { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_2835,
+ &af9035_props, "Avermedia A835B(2835)", RC_MAP_IT913X_V2) },
+ { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_3835,
+ &af9035_props, "Avermedia A835B(3835)", RC_MAP_IT913X_V2) },
+ { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A835B_4835,
+ &af9035_props, "Avermedia A835B(4835)", RC_MAP_IT913X_V2) },
+ { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_H335,
+ &af9035_props, "Avermedia H335", RC_MAP_IT913X_V2) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09,
+ &af9035_props, "Kworld UB499-2T T09", RC_MAP_IT913X_V1) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_SVEON_STV22_IT9137,
+ &af9035_props, "Sveon STV22 Dual DVB-T HDTV",
+ RC_MAP_IT913X_V1) },
+ { DVB_USB_DEVICE(USB_VID_KWORLD_2, USB_PID_CTVDIGDUAL_V2,
+ &af9035_props, "Digital Dual TV Receiver CTVDIGDUAL_V2",
+ RC_MAP_IT913X_V1) },
/* XXX: that same ID [0ccd:0099] is used by af9015 driver too */
{ DVB_USB_DEVICE(USB_VID_TERRATEC, 0x0099,
&af9035_props, "TerraTec Cinergy T Stick Dual RC (rev. 2)", NULL) },
+ { DVB_USB_DEVICE(USB_VID_LEADTEK, 0x6a05,
+ &af9035_props, "Leadtek WinFast DTV Dongle Dual", NULL) },
+ { DVB_USB_DEVICE(USB_VID_HAUPPAUGE, 0xf900,
+ &af9035_props, "Hauppauge WinTV-MiniStick 2", NULL) },
{ }
};
MODULE_DEVICE_TABLE(usb, af9035_id_table);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-11 07:51:50 +0000