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https://github.com/FEX-Emu/linux.git
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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: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari
Mauro Carvalho Chehab
parent
c1011fb818
commit
5048907076
@ -28,8 +28,9 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
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struct i2c_client *client = fe->demodulator_priv;
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struct mn88472_dev *dev = i2c_get_clientdata(client);
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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int ret;
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int ret, i;
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u32 if_frequency = 0;
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u8 delivery_system_val, if_val[3], bw_val[7], bw_val2;
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dev_dbg(&client->dev,
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"delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n",
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@ -41,6 +42,55 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
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goto err;
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}
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switch (c->delivery_system) {
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case SYS_DVBT:
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delivery_system_val = 0x02;
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break;
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case SYS_DVBT2:
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delivery_system_val = 0x03;
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break;
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case SYS_DVBC_ANNEX_A:
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delivery_system_val = 0x04;
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break;
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default:
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ret = -EINVAL;
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goto err;
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}
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switch (c->delivery_system) {
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case SYS_DVBT:
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case SYS_DVBT2:
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if (c->bandwidth_hz <= 6000000) {
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/* IF 3570000 Hz, BW 6000000 Hz */
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memcpy(if_val, "\x2c\x94\xdb", 3);
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memcpy(bw_val, "\xbf\x55\x55\x15\x6b\x15\x6b", 7);
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bw_val2 = 0x02;
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} else if (c->bandwidth_hz <= 7000000) {
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/* IF 4570000 Hz, BW 7000000 Hz */
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memcpy(if_val, "\x39\x11\xbc", 3);
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memcpy(bw_val, "\xa4\x00\x00\x0f\x2c\x0f\x2c", 7);
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bw_val2 = 0x01;
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} else if (c->bandwidth_hz <= 8000000) {
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/* IF 4570000 Hz, BW 8000000 Hz */
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memcpy(if_val, "\x39\x11\xbc", 3);
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memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7);
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bw_val2 = 0x00;
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} else {
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ret = -EINVAL;
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goto err;
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}
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break;
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case SYS_DVBC_ANNEX_A:
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/* IF 5070000 Hz, BW 8000000 Hz */
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memcpy(if_val, "\x3f\x50\x2c", 3);
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memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7);
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bw_val2 = 0x00;
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break;
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default:
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ret = -EINVAL;
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goto err;
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}
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/* program tuner */
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if (fe->ops.tuner_ops.set_params) {
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ret = fe->ops.tuner_ops.set_params(fe);
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@ -56,67 +106,98 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
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dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency);
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}
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if (if_frequency != 5070000) {
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switch (if_frequency) {
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case 3570000:
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case 4570000:
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case 5070000:
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break;
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default:
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dev_err(&client->dev, "IF frequency %d not supported\n",
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if_frequency);
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ret = -EINVAL;
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goto err;
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}
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ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
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ret = regmap_write(dev->regmap[2], 0xfb, 0x13);
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ret = regmap_write(dev->regmap[2], 0xef, 0x13);
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ret = regmap_write(dev->regmap[2], 0xf9, 0x13);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
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ret = regmap_write(dev->regmap[2], 0x00, 0x66);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[2], 0x01, 0x00);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[2], 0x02, 0x01);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[2], 0x04, bw_val2);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[2], 0x83, 0x01);
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for (i = 0; i < sizeof(if_val); i++) {
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ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]);
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if (ret)
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goto err;
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}
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ret = regmap_bulk_write(dev->regmap[2], 0x00,
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"\x66\x00\x01\x04\x00", 5);
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if (ret)
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goto err;
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ret = regmap_bulk_write(dev->regmap[2], 0x10,
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"\x3f\x50\x2c\x8f\x80\x00\x08\xee\x08\xee", 10);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[0], 0x46, 0x00);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[0], 0xae, 0x00);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[0], 0xb0, 0x0b);
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for (i = 0; i < sizeof(bw_val); i++) {
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ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]);
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if (ret)
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goto err;
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}
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switch (c->delivery_system) {
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case SYS_DVBT:
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ret = regmap_write(dev->regmap[0], 0x07, 0x26);
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ret = regmap_write(dev->regmap[0], 0xb0, 0x0a);
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ret = regmap_write(dev->regmap[0], 0xb4, 0x00);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[0], 0xcd, 0x17);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[0], 0xd4, 0x09);
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if (ret)
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goto err;
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ret = regmap_write(dev->regmap[0], 0xcd, 0x1f);
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ret = regmap_write(dev->regmap[0], 0xd4, 0x0a);
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ret = regmap_write(dev->regmap[0], 0xd6, 0x48);
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ret = regmap_write(dev->regmap[0], 0x00, 0xba);
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ret = regmap_write(dev->regmap[0], 0x01, 0x13);
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if (ret)
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goto err;
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break;
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case SYS_DVBT2:
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ret = regmap_write(dev->regmap[2], 0x2b, 0x13);
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ret = regmap_write(dev->regmap[2], 0x4f, 0x05);
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ret = regmap_write(dev->regmap[1], 0xf6, 0x05);
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ret = regmap_write(dev->regmap[0], 0xb0, 0x0a);
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ret = regmap_write(dev->regmap[0], 0xb4, 0xf6);
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ret = regmap_write(dev->regmap[0], 0xcd, 0x01);
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ret = regmap_write(dev->regmap[0], 0xd4, 0x09);
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ret = regmap_write(dev->regmap[0], 0xd6, 0x46);
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ret = regmap_write(dev->regmap[2], 0x30, 0x80);
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ret = regmap_write(dev->regmap[2], 0x32, 0x00);
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if (ret)
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goto err;
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break;
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case SYS_DVBC_ANNEX_A:
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ret = regmap_write(dev->regmap[0], 0xb0, 0x0b);
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ret = regmap_write(dev->regmap[0], 0xb4, 0x00);
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ret = regmap_write(dev->regmap[0], 0xcd, 0x17);
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ret = regmap_write(dev->regmap[0], 0xd4, 0x09);
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ret = regmap_write(dev->regmap[0], 0xd6, 0x48);
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ret = regmap_write(dev->regmap[1], 0x00, 0xb0);
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if (ret)
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goto err;
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break;
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default:
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ret = -EINVAL;
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goto err;
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}
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ret = regmap_write(dev->regmap[0], 0x46, 0x00);
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ret = regmap_write(dev->regmap[0], 0xae, 0x00);
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ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
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ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
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ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
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if (ret)
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goto err;
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@ -133,6 +214,7 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status)
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{
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struct i2c_client *client = fe->demodulator_priv;
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struct mn88472_dev *dev = i2c_get_clientdata(client);
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struct dtv_frontend_properties *c = &fe->dtv_property_cache;
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int ret;
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unsigned int utmp;
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@ -143,9 +225,21 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status)
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goto err;
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}
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switch (c->delivery_system) {
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case SYS_DVBT:
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case SYS_DVBT2:
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/* FIXME: implement me */
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utmp = 0x08; /* DVB-C lock value */
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break;
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case SYS_DVBC_ANNEX_A:
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ret = regmap_read(dev->regmap[1], 0x84, &utmp);
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if (ret)
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goto err;
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break;
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default:
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ret = -EINVAL;
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goto err;
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}
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if (utmp == 0x08)
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*status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
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@ -255,7 +349,7 @@ err:
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}
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static struct dvb_frontend_ops mn88472_ops = {
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.delsys = {SYS_DVBC_ANNEX_A},
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.delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
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.info = {
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.name = "Panasonic MN88472",
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.caps = FE_CAN_FEC_1_2 |
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