diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/rtl28xxu.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/rtl28xxu.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c index c0cd0848631..8c600b70d20 100644 --- a/drivers/media/usb/dvb-usb-v2/rtl28xxu.c +++ b/drivers/media/usb/dvb-usb-v2/rtl28xxu.c @@ -377,6 +377,7 @@ static int rtl2832u_read_config(struct dvb_usb_device *d) 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}; + struct rtl28xxu_req req_r828d = {0x0074, CMD_I2C_RD, 1, buf}; dev_dbg(&d->udev->dev, "%s:\n", __func__); @@ -489,6 +490,15 @@ static int rtl2832u_read_config(struct dvb_usb_device *d) goto found; } + /* check R828D ID register; reg=00 val=69 */ + ret = rtl28xxu_ctrl_msg(d, &req_r828d); + if (ret == 0 && buf[0] == 0x69) { + priv->tuner = TUNER_RTL2832_R828D; + priv->tuner_name = "R828D"; + goto found; + } + + found: dev_dbg(&d->udev->dev, "%s: tuner=%s\n", __func__, priv->tuner_name); @@ -745,6 +755,7 @@ static int rtl2832u_frontend_attach(struct dvb_usb_adapter *adap) rtl2832_config = &rtl28xxu_rtl2832_e4000_config; break; case TUNER_RTL2832_R820T: + case TUNER_RTL2832_R828D: rtl2832_config = &rtl28xxu_rtl2832_r820t_config; break; default: @@ -866,6 +877,13 @@ static const struct r820t_config rtl2832u_r820t_config = { .rafael_chip = CHIP_R820T, }; +static const struct r820t_config rtl2832u_r828d_config = { + .i2c_addr = 0x3a, + .xtal = 16000000, + .max_i2c_msg_len = 2, + .rafael_chip = CHIP_R828D, +}; + static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) { int ret; @@ -923,6 +941,27 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) adap->fe[0]->ops.read_signal_strength = adap->fe[0]->ops.tuner_ops.get_rf_strength; break; + case TUNER_RTL2832_R828D: + /* power off mn88472 demod on GPIO0 */ + ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_VAL, 0x00, 0x01); + if (ret) + goto err; + + ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_DIR, 0x00, 0x01); + if (ret) + goto err; + + ret = rtl28xx_wr_reg_mask(d, SYS_GPIO_OUT_EN, 0x01, 0x01); + if (ret) + goto err; + + fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap, + &rtl2832u_r828d_config); + + /* Use tuner to get the signal strength */ + adap->fe[0]->ops.read_signal_strength = + adap->fe[0]->ops.tuner_ops.get_rf_strength; + break; default: fe = NULL; dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME, |