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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
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Inline Side-by-side
Showing with 135 additions and 41 deletions
drivers/media/dvb-frontends/mn88472.c
View file @ 50489070
...@@ -28,8 +28,9 @@ static int mn88472_set_frontend(struct dvb_frontend *fe) ...@@ -28,8 +28,9 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
struct i2c_client *client = fe->demodulator_priv; struct i2c_client *client = fe->demodulator_priv;
struct mn88472_dev *dev = i2c_get_clientdata(client); struct mn88472_dev *dev = i2c_get_clientdata(client);
struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret; int ret, i;
u32 if_frequency = 0; u32 if_frequency = 0;
u8 delivery_system_val, if_val[3], bw_val[7], bw_val2;
dev_dbg(&client->dev, dev_dbg(&client->dev,
"delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n", "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) ...@@ -41,6 +42,55 @@ static int mn88472_set_frontend(struct dvb_frontend *fe)
goto err; 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 */ /* program tuner */
if (fe->ops.tuner_ops.set_params) { if (fe->ops.tuner_ops.set_params) {
ret = fe->ops.tuner_ops.set_params(fe); ret = fe->ops.tuner_ops.set_params(fe);
...@@ -56,67 +106,98 @@ static int mn88472_set_frontend(struct dvb_frontend *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); 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", dev_err(&client->dev, "IF frequency %d not supported\n",
if_frequency); if_frequency);
ret = -EINVAL; ret = -EINVAL;
goto err; goto err;
} }
ret = regmap_write(dev->regmap[2], 0x08, 0x1d); ret = regmap_write(dev->regmap[2], 0xfb, 0x13);
if (ret) ret = regmap_write(dev->regmap[2], 0xef, 0x13);
goto err; ret = regmap_write(dev->regmap[2], 0xf9, 0x13);
ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
if (ret)
goto err;
ret = regmap_write(dev->regmap[2], 0x83, 0x01);
if (ret) if (ret)
goto err; goto err;
ret = regmap_bulk_write(dev->regmap[2], 0x00, ret = regmap_write(dev->regmap[2], 0x00, 0x66);
"\x66\x00\x01\x04\x00", 5);
if (ret) if (ret)
goto err; goto err;
ret = regmap_write(dev->regmap[2], 0x01, 0x00);
ret = regmap_bulk_write(dev->regmap[2], 0x10,
"\x3f\x50\x2c\x8f\x80\x00\x08\xee\x08\xee", 10);
if (ret) if (ret)
goto err; goto err;
ret = regmap_write(dev->regmap[2], 0x02, 0x01);
ret = regmap_write(dev->regmap[0], 0x46, 0x00);
if (ret) if (ret)
goto err; goto err;
ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
ret = regmap_write(dev->regmap[0], 0xae, 0x00);
if (ret)
goto err;
ret = regmap_write(dev->regmap[0], 0xb0, 0x0b);
if (ret)
goto err;
ret = regmap_write(dev->regmap[0], 0xb4, 0x00);
if (ret) if (ret)
goto err; goto err;
ret = regmap_write(dev->regmap[2], 0x04, bw_val2);
ret = regmap_write(dev->regmap[0], 0xcd, 0x17);
if (ret) if (ret)
goto err; goto err;
ret = regmap_write(dev->regmap[0], 0xd4, 0x09); for (i = 0; i < sizeof(if_val); i++) {
if (ret) ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]);
goto err; if (ret)
goto err;
}
ret = regmap_write(dev->regmap[0], 0xd6, 0x48); for (i = 0; i < sizeof(bw_val); i++) {
if (ret) ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]);
goto err; if (ret)
goto err;
}
ret = regmap_write(dev->regmap[1], 0x00, 0xb0); switch (c->delivery_system) {
if (ret) 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;
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);
ret = regmap_write(dev->regmap[1], 0x00, 0xb0);
if (ret)
goto err;
break;
default:
ret = -EINVAL;
goto err; 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); ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
if (ret) if (ret)
goto err; goto err;
...@@ -133,6 +214,7 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status) ...@@ -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 i2c_client *client = fe->demodulator_priv;
struct mn88472_dev *dev = i2c_get_clientdata(client); struct mn88472_dev *dev = i2c_get_clientdata(client);
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret; int ret;
unsigned int utmp; unsigned int utmp;
...@@ -143,9 +225,21 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status) ...@@ -143,9 +225,21 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status)
goto err; goto err;
} }
ret = regmap_read(dev->regmap[1], 0x84, &utmp); switch (c->delivery_system) {
if (ret) 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; goto err;
}
if (utmp == 0x08) if (utmp == 0x08)
*status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
...@@ -255,7 +349,7 @@ static int mn88472_sleep(struct dvb_frontend *fe) ...@@ -255,7 +349,7 @@ static int mn88472_sleep(struct dvb_frontend *fe)
} }
static struct dvb_frontend_ops mn88472_ops = { static struct dvb_frontend_ops mn88472_ops = {
.delsys = {SYS_DVBC_ANNEX_A}, .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
.info = { .info = {
.name = "Panasonic MN88472", .name = "Panasonic MN88472",
.caps = FE_CAN_FEC_1_2 | .caps = FE_CAN_FEC_1_2 |
......
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