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Commit 8b4cac1a authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] rtl28xxu: add RTL2832P + R828D support 



RTL2832P is version of RTL2832U with extra TS interface.
As for now, we support only integrated RTL2832 demod.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent a26758ed

drivers/media/usb/dvb-usb-v2/rtl28xxu.c

+39 −0
Original line number Diff line number Diff line
@@ -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;
@@ -919,6 +937,27 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap) 
		fe = dvb_attach(r820t_attach, adap->fe[0], &d->i2c_adap,

				&rtl2832u_r820t_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;

	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;

drivers/media/usb/dvb-usb-v2/rtl28xxu.h

+1 −0
Original line number Diff line number Diff line
@@ -83,6 +83,7 @@ enum rtl28xxu_tuner { 
	TUNER_RTL2832_TDA18272,

	TUNER_RTL2832_FC0013,

	TUNER_RTL2832_R820T,

	TUNER_RTL2832_R828D,

};



struct rtl28xxu_req {