static int rtl28xxu_identify_state(struct dvb_usb_device *d, const char **name)
{
struct rtl28xxu_dev *dev = d_to_priv(d);
int ret;
struct rtl28xxu_req req_demod_i2c = {0x0020, CMD_I2C_DA_RD, 0, NULL};
dev_dbg(&d->intf->dev, "\n");
/*
* Detect chip type using I2C command that is not supported
* by old RTL2831U.
*/
ret = rtl28xxu_ctrl_msg(d, &req_demod_i2c);
if (ret == -EPIPE) {
dev->chip_id = CHIP_ID_RTL2831U;
} else if (ret == 0) {
dev->chip_id = CHIP_ID_RTL2832U;
} else {
dev_err(&d->intf->dev, "chip type detection failed %d\n", ret);
goto err;
}
dev_dbg(&d->intf->dev, "chip_id=%u\n", dev->chip_id);
return WARM;
err:
dev_dbg(&d->intf->dev, "failed=%d\n", ret);
return ret;
}
static int rtl28xx_wr_regs(struct dvb_usb_device *d, u16 reg, u8 *val, int len)
{
struct rtl28xxu_req req;
if (reg < 0x3000)
req.index = CMD_USB_WR;
else if (reg < 0x4000)
req.index = CMD_SYS_WR;
else
req.index = CMD_IR_WR;
req.value = reg;
req.size = len;
req.data = val;
return rtl28xxu_ctrl_msg(d, &req);
}
static int rtl2832u_read_config(struct dvb_usb_device *d)
{
struct rtl28xxu_priv *priv = d_to_priv(d);
int ret;
u8 buf[2];
/* open RTL2832U/RTL2832 I2C gate */
struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
/* close RTL2832U/RTL2832 I2C gate */
struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
/* tuner probes */
struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
struct rtl28xxu_req req_r820t = {0x0034, CMD_I2C_RD, 1, buf};
dev_dbg(&d->udev->dev, "%s:\n", __func__);
/* enable GPIO3 and GPIO6 as output */
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x40);
if (ret)
goto err;
ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x48, 0x48);
if (ret)
goto err;
/*
* Probe used tuner. We need to know used tuner before demod attach
* since there is some demod params needed to set according to tuner.
*/
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
if (ret)
goto err;
priv->tuner_name = "NONE";
/* check FC0012 ID register; reg=00 val=a1 */
ret = rtl28xxu_ctrl_msg(d, &req_fc0012);
if (ret == 0 && buf[0] == 0xa1) {
priv->tuner = TUNER_RTL2832_FC0012;
priv->tuner_name = "FC0012";
goto found;
}
/* check FC0013 ID register; reg=00 val=a3 */
ret = rtl28xxu_ctrl_msg(d, &req_fc0013);
if (ret == 0 && buf[0] == 0xa3) {
priv->tuner = TUNER_RTL2832_FC0013;
priv->tuner_name = "FC0013";
goto found;
}
/* check MT2266 ID register; reg=00 val=85 */
ret = rtl28xxu_ctrl_msg(d, &req_mt2266);
if (ret == 0 && buf[0] == 0x85) {
priv->tuner = TUNER_RTL2832_MT2266;
priv->tuner_name = "MT2266";
goto found;
}
/* check FC2580 ID register; reg=01 val=56 */
ret = rtl28xxu_ctrl_msg(d, &req_fc2580);
if (ret == 0 && buf[0] == 0x56) {
priv->tuner = TUNER_RTL2832_FC2580;
priv->tuner_name = "FC2580";
goto found;
}
/* check MT2063 ID register; reg=00 val=9e || 9c */
ret = rtl28xxu_ctrl_msg(d, &req_mt2063);
if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
priv->tuner = TUNER_RTL2832_MT2063;
priv->tuner_name = "MT2063";
goto found;
}
/* check MAX3543 ID register; reg=00 val=38 */
ret = rtl28xxu_ctrl_msg(d, &req_max3543);
if (ret == 0 && buf[0] == 0x38) {
priv->tuner = TUNER_RTL2832_MAX3543;
priv->tuner_name = "MAX3543";
goto found;
}
/* check TUA9001 ID register; reg=7e val=2328 */
ret = rtl28xxu_ctrl_msg(d, &req_tua9001);
if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
priv->tuner = TUNER_RTL2832_TUA9001;
priv->tuner_name = "TUA9001";
goto found;
}
/* check MXL5007R ID register; reg=d9 val=14 */
ret = rtl28xxu_ctrl_msg(d, &req_mxl5007t);
if (ret == 0 && buf[0] == 0x14) {
priv->tuner = TUNER_RTL2832_MXL5007T;
priv->tuner_name = "MXL5007T";
goto found;
}
/* check E4000 ID register; reg=02 val=40 */
ret = rtl28xxu_ctrl_msg(d, &req_e4000);
if (ret == 0 && buf[0] == 0x40) {
priv->tuner = TUNER_RTL2832_E4000;
priv->tuner_name = "E4000";
goto found;
}
/* check TDA18272 ID register; reg=00 val=c760 */
ret = rtl28xxu_ctrl_msg(d, &req_tda18272);
if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
priv->tuner = TUNER_RTL2832_TDA18272;
priv->tuner_name = "TDA18272";
goto found;
}
/* check R820T ID register; reg=00 val=69 */
ret = rtl28xxu_ctrl_msg(d, &req_r820t);
if (ret == 0 && buf[0] == 0x69) {
priv->tuner = TUNER_RTL2832_R820T;
priv->tuner_name = "R820T";
goto found;
}
found:
dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
/* close demod I2C gate */
ret = rtl28xxu_ctrl_msg(d, &req_gate_close);
if (ret < 0)
goto err;
return 0;
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
static int rtl2831u_read_config(struct dvb_usb_device *d)
{
struct rtl28xxu_priv *priv = d_to_priv(d);
int ret;
u8 buf[1];
/* open RTL2831U/RTL2830 I2C gate */
struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x08"};
/* tuner probes */
struct rtl28xxu_req req_mt2060 = {0x00c0, CMD_I2C_RD, 1, buf};
struct rtl28xxu_req req_qt1010 = {0x0fc4, CMD_I2C_RD, 1, buf};
dev_dbg(&d->udev->dev, "%s:\n", __func__);
/*
* RTL2831U GPIOs
* =========================================================
* GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
* GPIO2 | LED | 0 off | 1 on |
* GPIO4 | tuner#1 | 0 on | 1 off | MT2060
*/
/* GPIO direction */
ret = rtl28xx_wr_reg(d, SYS_GPIO_DIR, 0x0a);
if (ret)
goto err;
/* enable as output GPIO0, GPIO2, GPIO4 */
ret = rtl28xx_wr_reg(d, SYS_GPIO_OUT_EN, 0x15);
if (ret)
goto err;
/*
* Probe used tuner. We need to know used tuner before demod attach
* since there is some demod params needed to set according to tuner.
*/
/* demod needs some time to wake up */
msleep(20);
priv->tuner_name = "NONE";
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
if (ret)
goto err;
/* check QT1010 ID(?) register; reg=0f val=2c */
ret = rtl28xxu_ctrl_msg(d, &req_qt1010);
if (ret == 0 && buf[0] == 0x2c) {
priv->tuner = TUNER_RTL2830_QT1010;
priv->tuner_name = "QT1010";
goto found;
}
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(d, &req_gate_open);
if (ret)
goto err;
/* check MT2060 ID register; reg=00 val=63 */
ret = rtl28xxu_ctrl_msg(d, &req_mt2060);
if (ret == 0 && buf[0] == 0x63) {
priv->tuner = TUNER_RTL2830_MT2060;
priv->tuner_name = "MT2060";
goto found;
}
/* assume MXL5005S */
priv->tuner = TUNER_RTL2830_MXL5005S;
priv->tuner_name = "MXL5005S";
goto found;
found:
dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name);
return 0;
err:
dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
return ret;
}
/* I2C */
static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
int num)
{
int ret;
struct dvb_usb_device *d = i2c_get_adapdata(adap);
struct rtl28xxu_priv *priv = d->priv;
struct rtl28xxu_req req;
/*
* It is not known which are real I2C bus xfer limits, but testing
* with RTL2831U + MT2060 gives max RD 24 and max WR 22 bytes.
* TODO: find out RTL2832U lens
*/
/*
* I2C adapter logic looks rather complicated due to fact it handles
* three different access methods. Those methods are;
* 1) integrated demod access
* 2) old I2C access
* 3) new I2C access
*
* Used method is selected in order 1, 2, 3. Method 3 can handle all
* requests but there is two reasons why not use it always;
* 1) It is most expensive, usually two USB messages are needed
* 2) At least RTL2831U does not support it
*
* Method 3 is needed in case of I2C write+read (typical register read)
* where write is more than one byte.
*/
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 > 24 || msg[1].len > 24) {
/* TODO: check msg[0].len max */
ret = -EOPNOTSUPP;
goto err_mutex_unlock;
} else if (msg[0].addr == 0x10) {
/* method 1 - integrated demod */
req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
req.index = CMD_DEMOD_RD | priv->page;
req.size = msg[1].len;
req.data = &msg[1].buf[0];
ret = rtl28xxu_ctrl_msg(d, &req);
} else if (msg[0].len < 2) {
/* method 2 - old I2C */
req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
req.index = CMD_I2C_RD;
req.size = msg[1].len;
req.data = &msg[1].buf[0];
ret = rtl28xxu_ctrl_msg(d, &req);
} else {
/* method 3 - new I2C */
req.value = (msg[0].addr << 1);
req.index = CMD_I2C_DA_WR;
req.size = msg[0].len;
req.data = msg[0].buf;
ret = rtl28xxu_ctrl_msg(d, &req);
if (ret)
goto err_mutex_unlock;
req.value = (msg[0].addr << 1);
req.index = CMD_I2C_DA_RD;
req.size = msg[1].len;
req.data = msg[1].buf;
ret = rtl28xxu_ctrl_msg(d, &req);
}
} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
if (msg[0].len > 22) {
/* TODO: check msg[0].len max */
ret = -EOPNOTSUPP;
goto err_mutex_unlock;
} else if (msg[0].addr == 0x10) {
/* method 1 - integrated demod */
if (msg[0].buf[0] == 0x00) {
/* save demod page for later demod access */
priv->page = msg[0].buf[1];
ret = 0;
} else {
req.value = (msg[0].buf[0] << 8) |
(msg[0].addr << 1);
req.index = CMD_DEMOD_WR | priv->page;
req.size = msg[0].len-1;
req.data = &msg[0].buf[1];
ret = rtl28xxu_ctrl_msg(d, &req);
}
} else if (msg[0].len < 23) {
/* method 2 - old I2C */
req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
req.index = CMD_I2C_WR;
req.size = msg[0].len-1;
req.data = &msg[0].buf[1];
ret = rtl28xxu_ctrl_msg(d, &req);
} else {
/* method 3 - new I2C */
req.value = (msg[0].addr << 1);
req.index = CMD_I2C_DA_WR;
req.size = msg[0].len;
req.data = msg[0].buf;
ret = rtl28xxu_ctrl_msg(d, &req);
}
} else {
ret = -EINVAL;
}
err_mutex_unlock:
mutex_unlock(&d->i2c_mutex);
return ret ? ret : num;
}
static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct rtl28xxu_priv *priv = adap->dev->priv;
struct rtl2832_config *rtl2832_config;
u8 buf[2], val;
/* open RTL2832U/RTL2832 I2C gate */
struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
/* close RTL2832U/RTL2832 I2C gate */
struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
/* for FC0012 tuner probe */
struct rtl28xxu_req req_fc0012 = {0x00c6, CMD_I2C_RD, 1, buf};
/* for FC0013 tuner probe */
struct rtl28xxu_req req_fc0013 = {0x00c6, CMD_I2C_RD, 1, buf};
/* for MT2266 tuner probe */
struct rtl28xxu_req req_mt2266 = {0x00c0, CMD_I2C_RD, 1, buf};
/* for FC2580 tuner probe */
struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
/* for MT2063 tuner probe */
struct rtl28xxu_req req_mt2063 = {0x00c0, CMD_I2C_RD, 1, buf};
/* for MAX3543 tuner probe */
struct rtl28xxu_req req_max3543 = {0x00c0, CMD_I2C_RD, 1, buf};
/* for TUA9001 tuner probe */
struct rtl28xxu_req req_tua9001 = {0x7ec0, CMD_I2C_RD, 2, buf};
/* for MXL5007T tuner probe */
struct rtl28xxu_req req_mxl5007t = {0xd9c0, CMD_I2C_RD, 1, buf};
/* for E4000 tuner probe */
struct rtl28xxu_req req_e4000 = {0x02c8, CMD_I2C_RD, 1, buf};
/* for TDA18272 tuner probe */
struct rtl28xxu_req req_tda18272 = {0x00c0, CMD_I2C_RD, 2, buf};
deb_info("%s:\n", __func__);
ret = rtl28xx_rd_reg(adap->dev, SYS_GPIO_DIR, &val);
if (ret)
goto err;
val &= 0xbf;
ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_DIR, val);
if (ret)
goto err;
/* enable as output GPIO3 and GPIO6*/
ret = rtl28xx_rd_reg(adap->dev, SYS_GPIO_OUT_EN, &val);
if (ret)
goto err;
val |= 0x48;
ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_OUT_EN, val);
if (ret)
goto err;
/*
* Probe used tuner. We need to know used tuner before demod attach
* since there is some demod params needed to set according to tuner.
*/
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_open);
if (ret)
goto err;
priv->tuner = TUNER_NONE;
/* check FC0012 ID register; reg=00 val=a1 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_fc0012);
if (ret == 0 && buf[0] == 0xa1) {
priv->tuner = TUNER_RTL2832_FC0012;
rtl2832_config = &rtl28xxu_rtl2832_fc0012_config;
info("%s: FC0012 tuner found", __func__);
goto found;
}
/* check FC0013 ID register; reg=00 val=a3 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_fc0013);
if (ret == 0 && buf[0] == 0xa3) {
priv->tuner = TUNER_RTL2832_FC0013;
rtl2832_config = &rtl28xxu_rtl2832_fc0013_config;
info("%s: FC0013 tuner found", __func__);
goto found;
}
/* check MT2266 ID register; reg=00 val=85 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_mt2266);
if (ret == 0 && buf[0] == 0x85) {
priv->tuner = TUNER_RTL2832_MT2266;
/* TODO implement tuner */
info("%s: MT2266 tuner found", __func__);
goto unsupported;
}
/* check FC2580 ID register; reg=01 val=56 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_fc2580);
if (ret == 0 && buf[0] == 0x56) {
priv->tuner = TUNER_RTL2832_FC2580;
/* TODO implement tuner */
info("%s: FC2580 tuner found", __func__);
goto unsupported;
}
/* check MT2063 ID register; reg=00 val=9e || 9c */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_mt2063);
if (ret == 0 && (buf[0] == 0x9e || buf[0] == 0x9c)) {
priv->tuner = TUNER_RTL2832_MT2063;
/* TODO implement tuner */
info("%s: MT2063 tuner found", __func__);
goto unsupported;
}
/* check MAX3543 ID register; reg=00 val=38 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_max3543);
if (ret == 0 && buf[0] == 0x38) {
priv->tuner = TUNER_RTL2832_MAX3543;
/* TODO implement tuner */
info("%s: MAX3534 tuner found", __func__);
goto unsupported;
}
/* check TUA9001 ID register; reg=7e val=2328 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_tua9001);
if (ret == 0 && buf[0] == 0x23 && buf[1] == 0x28) {
priv->tuner = TUNER_RTL2832_TUA9001;
/* TODO implement tuner */
info("%s: TUA9001 tuner found", __func__);
goto unsupported;
}
/* check MXL5007R ID register; reg=d9 val=14 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_mxl5007t);
if (ret == 0 && buf[0] == 0x14) {
priv->tuner = TUNER_RTL2832_MXL5007T;
/* TODO implement tuner */
info("%s: MXL5007T tuner found", __func__);
goto unsupported;
}
/* check E4000 ID register; reg=02 val=40 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_e4000);
if (ret == 0 && buf[0] == 0x40) {
priv->tuner = TUNER_RTL2832_E4000;
/* TODO implement tuner */
info("%s: E4000 tuner found", __func__);
goto unsupported;
}
/* check TDA18272 ID register; reg=00 val=c760 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_tda18272);
if (ret == 0 && (buf[0] == 0xc7 || buf[1] == 0x60)) {
priv->tuner = TUNER_RTL2832_TDA18272;
/* TODO implement tuner */
info("%s: TDA18272 tuner found", __func__);
goto unsupported;
}
unsupported:
/* close demod I2C gate */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close);
if (ret)
goto err;
/* tuner not found */
deb_info("No compatible tuner found");
ret = -ENODEV;
return ret;
found:
/* close demod I2C gate */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close);
if (ret)
goto err;
/* attach demodulator */
adap->fe_adap[0].fe = dvb_attach(rtl2832_attach, rtl2832_config,
&adap->dev->i2c_adap);
if (adap->fe_adap[0].fe == NULL) {
ret = -ENODEV;
goto err;
}
/* set fe callbacks */
adap->fe_adap[0].fe->callback = rtl2832u_frontend_callback;
return ret;
err:
deb_info("%s: failed=%d\n", __func__, ret);
return ret;
}
static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct rtl28xxu_priv *priv = adap->dev->priv;
u8 buf[1];
struct rtl2830_config *rtl2830_config;
/* open RTL2831U/RTL2830 I2C gate */
struct rtl28xxu_req req_gate = { 0x0120, 0x0011, 0x0001, "\x08" };
/* for MT2060 tuner probe */
struct rtl28xxu_req req_mt2060 = { 0x00c0, CMD_I2C_RD, 1, buf };
/* for QT1010 tuner probe */
struct rtl28xxu_req req_qt1010 = { 0x0fc4, CMD_I2C_RD, 1, buf };
deb_info("%s:\n", __func__);
/*
* RTL2831U GPIOs
* =========================================================
* GPIO0 | tuner#0 | 0 off | 1 on | MXL5005S (?)
* GPIO2 | LED | 0 off | 1 on |
* GPIO4 | tuner#1 | 0 on | 1 off | MT2060
*/
/* GPIO direction */
ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a);
if (ret)
goto err;
/* enable as output GPIO0, GPIO2, GPIO4 */
ret = rtl28xx_wr_reg(adap->dev, SYS_GPIO_OUT_EN, 0x15);
if (ret)
goto err;
/*
* Probe used tuner. We need to know used tuner before demod attach
* since there is some demod params needed to set according to tuner.
*/
/* demod needs some time to wake up */
msleep(20);
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate);
if (ret)
goto err;
/* check QT1010 ID(?) register; reg=0f val=2c */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_qt1010);
if (ret == 0 && buf[0] == 0x2c) {
priv->tuner = TUNER_RTL2830_QT1010;
rtl2830_config = &rtl28xxu_rtl2830_qt1010_config;
deb_info("%s: QT1010\n", __func__);
goto found;
} else {
deb_info("%s: QT1010 probe failed=%d - %02x\n",
__func__, ret, buf[0]);
}
/* open demod I2C gate */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate);
if (ret)
goto err;
/* check MT2060 ID register; reg=00 val=63 */
ret = rtl28xxu_ctrl_msg(adap->dev, &req_mt2060);
if (ret == 0 && buf[0] == 0x63) {
priv->tuner = TUNER_RTL2830_MT2060;
rtl2830_config = &rtl28xxu_rtl2830_mt2060_config;
deb_info("%s: MT2060\n", __func__);
goto found;
} else {
deb_info("%s: MT2060 probe failed=%d - %02x\n",
__func__, ret, buf[0]);
}
/* assume MXL5005S */
ret = 0;
priv->tuner = TUNER_RTL2830_MXL5005S;
rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
deb_info("%s: MXL5005S\n", __func__);
goto found;
found:
/* attach demodulator */
adap->fe_adap[0].fe = dvb_attach(rtl2830_attach, rtl2830_config,
&adap->dev->i2c_adap);
if (adap->fe_adap[0].fe == NULL) {
ret = -ENODEV;
goto err;
}
return ret;
err:
deb_info("%s: failed=%d\n", __func__, ret);
return ret;
}
static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct rtl28xxu_priv *priv = adap->dev->priv;
u8 buf[1];
struct rtl28xxu_req req_gate_open = {0x0120, 0x0011, 0x0001, "\x18"};
struct rtl28xxu_req req_gate_close = {0x0120, 0x0011, 0x0001, "\x10"};
struct rtl28xxu_req req_fc2580 = {0x01ac, CMD_I2C_RD, 1, buf};
deb_info("%s:\n", __func__);
ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a);
if (ret)
goto err;
ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_OUT_EN, 0x15);
if (ret)
goto err;
ret = rtl2831_wr_reg(adap->dev, SYS_DEMOD_CTL, 0xe8);
if (ret)
goto err;
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_open);
if (ret)
goto err;
ret = rtl28xxu_ctrl_msg(adap->dev, &req_fc2580);
if (ret == 0 && buf[0] == 0x56) {
priv->tuner = TUNER_RTL2832_FC2580;
deb_info("%s: FC2580\n", __func__);
goto found;
} else {
deb_info("%s: FC2580 probe failed=%d - %02x\n",
__func__, ret, buf[0]);
}
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close);
if (ret)
goto err;
ret = -ENODEV;
goto err;
found:
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate_close);
if (ret)
goto err;
return ret;
err:
deb_info("%s: failed=%d\n", __func__, ret);
return ret;
}
static int rtl2831u_frontend_attach(struct dvb_usb_adapter *adap)
{
int ret;
struct rtl28xxu_priv *priv = adap->dev->priv;
u8 buf[1];
struct rtl2830_config *rtl2830_config;
struct rtl28xxu_req req_gate = { 0x0120, 0x0011, 0x0001, "\x08" };
struct rtl28xxu_req req_mt2060 = { 0x00c0, CMD_I2C_RD, 1, buf };
struct rtl28xxu_req req_qt1010 = { 0x0fc4, CMD_I2C_RD, 1, buf };
deb_info("%s:\n", __func__);
ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_DIR, 0x0a);
if (ret)
goto err;
ret = rtl2831_wr_reg(adap->dev, SYS_GPIO_OUT_EN, 0x15);
if (ret)
goto err;
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate);
if (ret)
goto err;
ret = rtl28xxu_ctrl_msg(adap->dev, &req_qt1010);
if (ret == 0 && buf[0] == 0x2c) {
priv->tuner = TUNER_RTL2830_QT1010;
rtl2830_config = &rtl28xxu_rtl2830_qt1010_config;
deb_info("%s: QT1010\n", __func__);
goto found;
} else {
deb_info("%s: QT1010 probe failed=%d - %02x\n",
__func__, ret, buf[0]);
}
ret = rtl28xxu_ctrl_msg(adap->dev, &req_gate);
if (ret)
goto err;
ret = rtl28xxu_ctrl_msg(adap->dev, &req_mt2060);
if (ret == 0 && buf[0] == 0x63) {
priv->tuner = TUNER_RTL2830_MT2060;
rtl2830_config = &rtl28xxu_rtl2830_mt2060_config;
deb_info("%s: MT2060\n", __func__);
goto found;
} else {
deb_info("%s: MT2060 probe failed=%d - %02x\n",
__func__, ret, buf[0]);
}
ret = 0;
priv->tuner = TUNER_RTL2830_MXL5005S;
rtl2830_config = &rtl28xxu_rtl2830_mxl5005s_config;
deb_info("%s: MXL5005S\n", __func__);
goto found;
found:
adap->fe_adap[0].fe = dvb_attach(rtl2830_attach, rtl2830_config,
&adap->dev->i2c_adap);
if (adap->fe_adap[0].fe == NULL) {
ret = -ENODEV;
goto err;
}
return ret;
err:
deb_info("%s: failed=%d\n", __func__, ret);
return ret;
}
static int rtl28xxu_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
int num)
{
int ret;
struct dvb_usb_device *d = i2c_get_adapdata(adap);
struct rtl28xxu_priv *priv = d->priv;
struct rtl28xxu_req req;
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 > 24 || msg[1].len > 24) {
ret = -EOPNOTSUPP;
goto err_mutex_unlock;
} else if (msg[0].addr == 0x10) {
req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
req.index = CMD_DEMOD_RD | priv->page;
req.size = msg[1].len;
req.data = &msg[1].buf[0];
ret = rtl28xxu_ctrl_msg(d, &req);
} else if (msg[0].len < 2) {
req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
req.index = CMD_I2C_RD;
req.size = msg[1].len;
req.data = &msg[1].buf[0];
ret = rtl28xxu_ctrl_msg(d, &req);
} else {
req.value = (msg[0].addr << 1);
req.index = CMD_I2C_DA_WR;
req.size = msg[0].len;
req.data = msg[0].buf;
ret = rtl28xxu_ctrl_msg(d, &req);
if (ret)
goto err_mutex_unlock;
req.value = (msg[0].addr << 1);
req.index = CMD_I2C_DA_RD;
req.size = msg[1].len;
req.data = msg[1].buf;
ret = rtl28xxu_ctrl_msg(d, &req);
}
} else if (num == 1 && !(msg[0].flags & I2C_M_RD)) {
if (msg[0].len > 22) {
ret = -EOPNOTSUPP;
goto err_mutex_unlock;
} else if (msg[0].addr == 0x10) {
if (msg[0].buf[0] == 0x00) {
priv->page = msg[0].buf[1];
ret = 0;
} else {
req.value = (msg[0].buf[0] << 8) |
(msg[0].addr << 1);
req.index = CMD_DEMOD_WR | priv->page;
req.size = msg[0].len-1;
req.data = &msg[0].buf[1];
ret = rtl28xxu_ctrl_msg(d, &req);
}
} else if (msg[0].len < 23) {
req.value = (msg[0].buf[0] << 8) | (msg[0].addr << 1);
req.index = CMD_I2C_WR;
req.size = msg[0].len-1;
req.data = &msg[0].buf[1];
ret = rtl28xxu_ctrl_msg(d, &req);
} else {
req.value = (msg[0].addr << 1);
req.index = CMD_I2C_DA_WR;
req.size = msg[0].len;
req.data = msg[0].buf;
ret = rtl28xxu_ctrl_msg(d, &req);
}
} else {
ret = -EINVAL;
}
err_mutex_unlock:
mutex_unlock(&d->i2c_mutex);
return ret ? ret : num;
}