Commit 50489070 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] mn88472: implement DVB-T and DVB-T2 



Implement initial support for DVB-T and DVB-T2 modes. Now driver has
basic support for all the modes, DVB-C/T/T2.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent c1011fb8

drivers/media/dvb-frontends/mn88472.c

+135 −41
Original line number Diff line number Diff line
@@ -28,8 +28,9 @@ static int mn88472_set_frontend(struct dvb_frontend *fe) 
	struct i2c_client *client = fe->demodulator_priv;

	struct mn88472_dev *dev = i2c_get_clientdata(client);

	struct dtv_frontend_properties *c = &fe->dtv_property_cache;

	int ret;

	int ret, i;

	u32 if_frequency = 0;

	u8 delivery_system_val, if_val[3], bw_val[7], bw_val2;



	dev_dbg(&client->dev,

			"delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n",
@@ -41,6 +42,55 @@ static int mn88472_set_frontend(struct dvb_frontend *fe) 
		goto err;

	}



	switch (c->delivery_system) {

	case SYS_DVBT:

		delivery_system_val = 0x02;

		break;

	case SYS_DVBT2:

		delivery_system_val = 0x03;

		break;

	case SYS_DVBC_ANNEX_A:

		delivery_system_val = 0x04;

		break;

	default:

		ret = -EINVAL;

		goto err;

	}



	switch (c->delivery_system) {

	case SYS_DVBT:

	case SYS_DVBT2:

		if (c->bandwidth_hz <= 6000000) {

			/* IF 3570000 Hz, BW 6000000 Hz */

			memcpy(if_val, "\x2c\x94\xdb", 3);

			memcpy(bw_val, "\xbf\x55\x55\x15\x6b\x15\x6b", 7);

			bw_val2 = 0x02;

		} else if (c->bandwidth_hz <= 7000000) {

			/* IF 4570000 Hz, BW 7000000 Hz */

			memcpy(if_val, "\x39\x11\xbc", 3);

			memcpy(bw_val, "\xa4\x00\x00\x0f\x2c\x0f\x2c", 7);

			bw_val2 = 0x01;

		} else if (c->bandwidth_hz <= 8000000) {

			/* IF 4570000 Hz, BW 8000000 Hz */

			memcpy(if_val, "\x39\x11\xbc", 3);

			memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7);

			bw_val2 = 0x00;

		} else {

			ret = -EINVAL;

			goto err;

		}

		break;

	case SYS_DVBC_ANNEX_A:

		/* IF 5070000 Hz, BW 8000000 Hz */

		memcpy(if_val, "\x3f\x50\x2c", 3);

		memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7);

		bw_val2 = 0x00;

		break;

	default:

		ret = -EINVAL;

		goto err;

	}



	/* program tuner */

	if (fe->ops.tuner_ops.set_params) {

		ret = fe->ops.tuner_ops.set_params(fe);
@@ -56,67 +106,98 @@ static int mn88472_set_frontend(struct dvb_frontend *fe) 
		dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency);

	}



	if (if_frequency != 5070000) {

	switch (if_frequency) {

	case 3570000:

	case 4570000:

	case 5070000:

		break;

	default:

		dev_err(&client->dev, "IF frequency %d not supported\n",

				if_frequency);

		ret = -EINVAL;

		goto err;

	}



	ret = regmap_write(dev->regmap[2], 0x08, 0x1d);

	ret = regmap_write(dev->regmap[2], 0xfb, 0x13);

	ret = regmap_write(dev->regmap[2], 0xef, 0x13);

	ret = regmap_write(dev->regmap[2], 0xf9, 0x13);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);

	ret = regmap_write(dev->regmap[2], 0x00, 0x66);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap[2], 0x83, 0x01);

	ret = regmap_write(dev->regmap[2], 0x01, 0x00);

	if (ret)

		goto err;



	ret = regmap_bulk_write(dev->regmap[2], 0x00,

			"\x66\x00\x01\x04\x00", 5);

	ret = regmap_write(dev->regmap[2], 0x02, 0x01);

	if (ret)

		goto err;



	ret = regmap_bulk_write(dev->regmap[2], 0x10,

			"\x3f\x50\x2c\x8f\x80\x00\x08\xee\x08\xee", 10);

	ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap[0], 0x46, 0x00);

	ret = regmap_write(dev->regmap[2], 0x04, bw_val2);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap[0], 0xae, 0x00);

	for (i = 0; i < sizeof(if_val); i++) {

		ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]);

		if (ret)

			goto err;

	}



	ret = regmap_write(dev->regmap[0], 0xb0, 0x0b);

	for (i = 0; i < sizeof(bw_val); i++) {

		ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]);

		if (ret)

			goto err;

	}



	switch (c->delivery_system) {

	case SYS_DVBT:

		ret = regmap_write(dev->regmap[0], 0x07, 0x26);

		ret = regmap_write(dev->regmap[0], 0xb0, 0x0a);

		ret = regmap_write(dev->regmap[0], 0xb4, 0x00);

		ret = regmap_write(dev->regmap[0], 0xcd, 0x1f);

		ret = regmap_write(dev->regmap[0], 0xd4, 0x0a);

		ret = regmap_write(dev->regmap[0], 0xd6, 0x48);

		ret = regmap_write(dev->regmap[0], 0x00, 0xba);

		ret = regmap_write(dev->regmap[0], 0x01, 0x13);

		if (ret)

			goto err;



	ret = regmap_write(dev->regmap[0], 0xcd, 0x17);

	if (ret)

		goto err;



		break;

	case SYS_DVBT2:

		ret = regmap_write(dev->regmap[2], 0x2b, 0x13);

		ret = regmap_write(dev->regmap[2], 0x4f, 0x05);

		ret = regmap_write(dev->regmap[1], 0xf6, 0x05);

		ret = regmap_write(dev->regmap[0], 0xb0, 0x0a);

		ret = regmap_write(dev->regmap[0], 0xb4, 0xf6);

		ret = regmap_write(dev->regmap[0], 0xcd, 0x01);

		ret = regmap_write(dev->regmap[0], 0xd4, 0x09);

		ret = regmap_write(dev->regmap[0], 0xd6, 0x46);

		ret = regmap_write(dev->regmap[2], 0x30, 0x80);

		ret = regmap_write(dev->regmap[2], 0x32, 0x00);

		if (ret)

			goto err;



		break;

	case SYS_DVBC_ANNEX_A:

		ret = regmap_write(dev->regmap[0], 0xb0, 0x0b);

		ret = regmap_write(dev->regmap[0], 0xb4, 0x00);

		ret = regmap_write(dev->regmap[0], 0xcd, 0x17);

		ret = regmap_write(dev->regmap[0], 0xd4, 0x09);

		ret = regmap_write(dev->regmap[0], 0xd6, 0x48);

	if (ret)

		goto err;



		ret = regmap_write(dev->regmap[1], 0x00, 0xb0);

		if (ret)

			goto err;

		break;

	default:

		ret = -EINVAL;

		goto err;

	}



	ret = regmap_write(dev->regmap[0], 0x46, 0x00);

	ret = regmap_write(dev->regmap[0], 0xae, 0x00);

	ret = regmap_write(dev->regmap[2], 0x08, 0x1d);

	ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);

	ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);

	if (ret)

		goto err;
@@ -133,6 +214,7 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status) 
{

	struct i2c_client *client = fe->demodulator_priv;

	struct mn88472_dev *dev = i2c_get_clientdata(client);

	struct dtv_frontend_properties *c = &fe->dtv_property_cache;

	int ret;

	unsigned int utmp;
@@ -143,9 +225,21 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status) 
		goto err;

	}



	switch (c->delivery_system) {

	case SYS_DVBT:

	case SYS_DVBT2:

		/* FIXME: implement me */

		utmp = 0x08; /* DVB-C lock value */

		break;

	case SYS_DVBC_ANNEX_A:

		ret = regmap_read(dev->regmap[1], 0x84, &utmp);

		if (ret)

			goto err;

		break;

	default:

		ret = -EINVAL;

		goto err;

	}



	if (utmp == 0x08)

		*status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
@@ -255,7 +349,7 @@ err: 
}



static struct dvb_frontend_ops mn88472_ops = {

	.delsys = {SYS_DVBC_ANNEX_A},

	.delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},

	.info = {

		.name = "Panasonic MN88472",

		.caps =	FE_CAN_FEC_1_2                 |

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