Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

[media] mn88473: add support for DVB-T2

Browse source 
Add support for DVB-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 2014-09-30 17:52:03 -03:00 committed by Mauro Carvalho Chehab
parent dadb5bb473
commit c00a6b9f9f
1 changed files with 38 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

45
drivers/media/dvb-frontends/mn88473.c
View file

@ -116,19 +116,38 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
{
struct mn88473_dev *dev = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
int ret, i;
u32 if_frequency = 0;
u8 params[10], delivery_system;
dev_dbg(&dev->i2c->dev,
"%s: delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n",
"%s: delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%d stream_id=%d\n",
__func__, c->delivery_system, c->modulation,
c->frequency, c->symbol_rate, c->inversion);
c->frequency, c->bandwidth_hz, c->symbol_rate,
c->inversion, c->stream_id);
if (!dev->warm) {
ret = -EAGAIN;
goto err;
}
switch (c->delivery_system) {
case SYS_DVBT2:
delivery_system = 0x03;
if (c->bandwidth_hz <= 7000000)
memcpy(params, "\x2e\xcb\xfb\xc8\x00\x00\x17\x0a\x17\x0a", 10);
else if (c->bandwidth_hz <= 8000000)
memcpy(params, "\x2e\xcb\xfb\xaf\x00\x00\x11\xec\x11\xec", 10);
break;
case SYS_DVBC_ANNEX_A:
delivery_system = 0x04;
memcpy(params, "\x33\xea\xb3\xaf\x00\x00\x11\xec\x11\xec", 10);
break;
default:
ret = -EINVAL;
goto err;
}
/* program tuner */
if (fe->ops.tuner_ops.set_params) {
ret = fe->ops.tuner_ops.set_params(fe);
@ -145,7 +164,11 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
__func__, if_frequency);
}
if (if_frequency != 5070000) {
switch (if_frequency) {
case 4570000:
case 5070000:
break;
default:
dev_err(&dev->i2c->dev, "%s: IF frequency %d not supported\n",
KBUILD_MODNAME, if_frequency);
ret = -EINVAL;
@ -159,9 +182,15 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
ret = mn88473_wregs(dev, 0x1c00, "\x18", 1);
ret = mn88473_wregs(dev, 0x1c01, "\x01", 1);
ret = mn88473_wregs(dev, 0x1c02, "\x21", 1);
ret = mn88473_wregs(dev, 0x1c03, "\x04", 1);
ret = mn88473_wreg(dev, 0x1c03, delivery_system);
ret = mn88473_wregs(dev, 0x1c0b, "\x00", 1);
ret = mn88473_wregs(dev, 0x1c10, "\x33\xea\xb3\xaf\x00\x00\x11\xec\x11\xec", 10);
for (i = 0; i < 10; i++) {
ret = mn88473_wreg(dev, 0x1c10 + i, params[i]);
if (ret)
goto err;
}
ret = mn88473_wregs(dev, 0x1c2d, "\x3b", 1);
ret = mn88473_wregs(dev, 0x1c2e, "\x00", 1);
ret = mn88473_wregs(dev, 0x1c56, "\x0d", 1);
@ -193,6 +222,8 @@ static int mn88473_set_frontend(struct dvb_frontend *fe)
ret = mn88473_wregs(dev, 0x1c08, "\x1d", 1);
ret = mn88473_wregs(dev, 0x18b2, "\x37", 1);
ret = mn88473_wregs(dev, 0x18d7, "\x04", 1);
ret = mn88473_wregs(dev, 0x1c32, "\x80", 1);
ret = mn88473_wregs(dev, 0x1c36, "\x00", 1);
ret = mn88473_wregs(dev, 0x1cf8, "\x9f", 1);
if (ret)
goto err;
@ -351,7 +382,7 @@ struct dvb_frontend *mn88473_attach(const struct mn88473_config *cfg,
EXPORT_SYMBOL(mn88473_attach);
static struct dvb_frontend_ops mn88473_ops = {
.delsys = {SYS_DVBC_ANNEX_AC},
.delsys = {SYS_DVBT2, SYS_DVBC_ANNEX_AC},
.info = {
.name = "Panasonic MN88473",
.caps = FE_CAN_FEC_1_2 |