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[media] af9035: IT9135 dual tuner related changes
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Now it supports IT9135 based dual tuner devices.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Antti Palosaari authored and Mauro Carvalho Chehab committed Mar 21, 2013
1 parent fe8eece commit df8f1be
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Showing 2 changed files with 102 additions and 102 deletions.
201 changes: 100 additions & 101 deletions drivers/media/usb/dvb-usb-v2/af9035.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -320,8 +320,10 @@ static int af9035_identify_state(struct dvb_usb_device *d, const char **name)
*name = AF9035_FIRMWARE_IT9135_V2;
else
*name = AF9035_FIRMWARE_IT9135_V1;
state->eeprom_addr = EEPROM_BASE_IT9135;
} else {
*name = AF9035_FIRMWARE_AF9035;
state->eeprom_addr = EEPROM_BASE_AF9035;
}

ret = af9035_ctrl_msg(d, &req);
Expand All @@ -347,62 +349,13 @@ static int af9035_download_firmware_af9035(struct dvb_usb_device *d,
{
int ret, i, j, len;
u8 wbuf[1];
u8 rbuf[4];
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 } ;
u8 hdr_core, tmp;
u8 hdr_core;
u16 hdr_addr, hdr_data_len, hdr_checksum;
#define MAX_DATA 58
#define HDR_SIZE 7

/*
* In case of dual tuner configuration we need to do some extra
* initialization in order to download firmware to slave demod too,
* which is done by master demod.
* Master feeds also clock and controls power via GPIO.
*/
ret = af9035_rd_reg(d, EEPROM_BASE_AF9035 + EEPROM_DUAL_MODE, &tmp);
if (ret < 0)
goto err;

if (tmp) {
/* configure gpioh1, reset & power slave demod */
ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
if (ret < 0)
goto err;

ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);
if (ret < 0)
goto err;

ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);
if (ret < 0)
goto err;

usleep_range(10000, 50000);

ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);
if (ret < 0)
goto err;

/* tell the slave I2C address */
ret = af9035_rd_reg(d,
EEPROM_BASE_AF9035 + EEPROM_2ND_DEMOD_ADDR,
&tmp);
if (ret < 0)
goto err;

ret = af9035_wr_reg(d, 0x00417f, tmp);
if (ret < 0)
goto err;

/* enable clock out */
ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
if (ret < 0)
goto err;
}

/*
* Thanks to Daniel Glöckner <daniel-gl@gmx.net> about that info!
*
Expand Down Expand Up @@ -469,28 +422,6 @@ static int af9035_download_firmware_af9035(struct dvb_usb_device *d,
if (i)
dev_warn(&d->udev->dev, "%s: bad firmware\n", KBUILD_MODNAME);

/* firmware loaded, request boot */
req.cmd = CMD_FW_BOOT;
ret = af9035_ctrl_msg(d, &req);
if (ret < 0)
goto err;

/* ensure firmware starts */
wbuf[0] = 1;
ret = af9035_ctrl_msg(d, &req_fw_ver);
if (ret < 0)
goto err;

if (!(rbuf[0] || rbuf[1] || rbuf[2] || rbuf[3])) {
dev_err(&d->udev->dev, "%s: firmware did not run\n",
KBUILD_MODNAME);
ret = -ENODEV;
goto err;
}

dev_info(&d->udev->dev, "%s: firmware version=%d.%d.%d.%d",
KBUILD_MODNAME, rbuf[0], rbuf[1], rbuf[2], rbuf[3]);

return 0;

err:
Expand All @@ -503,11 +434,7 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d,
const struct firmware *fw)
{
int ret, i, i_prev;
u8 wbuf[1];
u8 rbuf[4];
struct usb_req req = { 0, 0, 0, NULL, 0, NULL };
struct usb_req req_fw_dl = { CMD_FW_SCATTER_WR, 0, 0, NULL, 0, NULL };
struct usb_req req_fw_ver = { CMD_FW_QUERYINFO, 0, 1, wbuf, 4, rbuf } ;
#define HDR_SIZE 7

/*
Expand All @@ -522,7 +449,6 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d,
* 5: addr LSB
* 6: count of data bytes ?
*/

for (i = HDR_SIZE, i_prev = 0; i <= fw->size; i++) {
if (i == fw->size ||
(fw->data[i + 0] == 0x03 &&
Expand All @@ -541,6 +467,86 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d,
}
}

return 0;

err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);

return ret;
}

static int af9035_download_firmware(struct dvb_usb_device *d,
const struct firmware *fw)
{
struct state *state = d_to_priv(d);
int ret;
u8 wbuf[1];
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 } ;
dev_dbg(&d->udev->dev, "%s:\n", __func__);

/*
* In case of dual tuner configuration we need to do some extra
* initialization in order to download firmware to slave demod too,
* 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);
if (ret < 0)
goto err;

if (tmp) {
/* configure gpioh1, reset & power slave demod */
ret = af9035_wr_reg_mask(d, 0x00d8b0, 0x01, 0x01);
if (ret < 0)
goto err;

ret = af9035_wr_reg_mask(d, 0x00d8b1, 0x01, 0x01);
if (ret < 0)
goto err;

ret = af9035_wr_reg_mask(d, 0x00d8af, 0x00, 0x01);
if (ret < 0)
goto err;

usleep_range(10000, 50000);

ret = af9035_wr_reg_mask(d, 0x00d8af, 0x01, 0x01);
if (ret < 0)
goto err;

/* tell the slave I2C address */
ret = af9035_rd_reg(d,
state->eeprom_addr + EEPROM_2ND_DEMOD_ADDR,
&tmp);
if (ret < 0)
goto err;

if (state->chip_type == 0x9135) {
ret = af9035_wr_reg(d, 0x004bfb, tmp);
if (ret < 0)
goto err;
} else {
ret = af9035_wr_reg(d, 0x00417f, tmp);
if (ret < 0)
goto err;

/* enable clock out */
ret = af9035_wr_reg_mask(d, 0x00d81a, 0x01, 0x01);
if (ret < 0)
goto err;
}
}

if (state->chip_type == 0x9135)
ret = af9035_download_firmware_it9135(d, fw);
else
ret = af9035_download_firmware_af9035(d, fw);
if (ret < 0)
goto err;

/* firmware loaded, request boot */
req.cmd = CMD_FW_BOOT;
ret = af9035_ctrl_msg(d, &req);
Expand Down Expand Up @@ -571,17 +577,6 @@ static int af9035_download_firmware_it9135(struct dvb_usb_device *d,
return ret;
}

static int af9035_download_firmware(struct dvb_usb_device *d,
const struct firmware *fw)
{
struct state *state = d_to_priv(d);

if (state->chip_type == 0x9135)
return af9035_download_firmware_it9135(d, fw);
else
return af9035_download_firmware_af9035(d, fw);
}

static int af9035_read_config(struct dvb_usb_device *d)
{
struct state *state = d_to_priv(d);
Expand All @@ -592,14 +587,17 @@ static int af9035_read_config(struct dvb_usb_device *d)
/* demod I2C "address" */
state->af9033_config[0].i2c_addr = 0x38;
state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;

/* eeprom memory mapped location */
if (state->chip_type == 0x9135) {
if (state->chip_version == 0x02) {
state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
tmp16 = 0x00461d;
} else {
state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
tmp16 = 0x00461b;
}

Expand Down Expand Up @@ -678,8 +676,14 @@ static int af9035_read_config(struct dvb_usb_device *d)

/* disable dual mode if driver does not support it */
if (i == 1)
switch (tmp) {
switch (state->af9033_config[i].tuner) {
case AF9033_TUNER_FC0012:
case AF9033_TUNER_IT9135_38:
case AF9033_TUNER_IT9135_51:
case AF9033_TUNER_IT9135_52:
case AF9033_TUNER_IT9135_60:
case AF9033_TUNER_IT9135_61:
case AF9033_TUNER_IT9135_62:
break;
default:
state->dual_mode = false;
Expand Down Expand Up @@ -891,6 +895,7 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
struct state *state = adap_to_priv(adap);
struct dvb_usb_device *d = adap_to_d(adap);
int ret;
dev_dbg(&d->udev->dev, "%s:\n", __func__);

if (!state->af9033_config[adap->id].tuner) {
/* unsupported tuner */
Expand All @@ -901,15 +906,6 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap)
if (adap->id == 0) {
state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;

ret = af9035_wr_reg(d, 0x00417f,
state->af9033_config[1].i2c_addr);
if (ret < 0)
goto err;

ret = af9035_wr_reg(d, 0x00d81a, state->dual_mode);
if (ret < 0)
goto err;
}

/* attach demodulator */
Expand Down Expand Up @@ -1004,6 +1000,8 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
struct dvb_frontend *fe;
struct i2c_msg msg[1];
u8 tuner_addr;
dev_dbg(&d->udev->dev, "%s:\n", __func__);

/*
* XXX: Hack used in that function: we abuse unused I2C address bit [7]
* to carry info about used I2C bus for dual tuner configuration.
Expand Down Expand Up @@ -1165,10 +1163,11 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
case AF9033_TUNER_IT9135_60:
case AF9033_TUNER_IT9135_61:
case AF9033_TUNER_IT9135_62:
/* attach tuner */
af9035_it913x_config.tuner_id_0 = state->af9033_config[0].tuner;
fe = dvb_attach(it913x_attach, adap->fe[0],
&d->i2c_adap, 0x38, &af9035_it913x_config);
/* attach tuner */
fe = dvb_attach(it913x_attach, adap->fe[0], &d->i2c_adap,
state->af9033_config[adap->id].i2c_addr,
&af9035_it913x_config);
break;
default:
fe = NULL;
Expand Down
3 changes: 2 additions & 1 deletion drivers/media/usb/dvb-usb-v2/af9035.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -56,10 +56,11 @@ struct state {
#define BUF_LEN 64
u8 buf[BUF_LEN];
u8 seq; /* packet sequence number */
bool dual_mode;
u8 prechip_version;
u8 chip_version;
u16 chip_type;
bool dual_mode;
u16 eeprom_addr;
struct af9033_config af9033_config[2];
};

Expand Down

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