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[media] si2168: add support for DVB-T2

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Add support for DVB-T2.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari 2014-04-11 20:35:27 -03:00 committed by Mauro Carvalho Chehab
parent 1922924031
commit bffab93c46
1 changed files with 43 additions and 12 deletions
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55
drivers/media/dvb-frontends/si2168.c
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@ -66,6 +66,7 @@ err:
static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct si2168 *s = fe->demodulator_priv;
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
struct si2168_cmd cmd;
@ -76,10 +77,24 @@ static int si2168_read_status(struct dvb_frontend *fe, fe_status_t *status)
goto err;
}
cmd.args[0] = 0xa0;
cmd.args[1] = 0x01;
cmd.wlen = 2;
cmd.rlen = 13;
switch (c->delivery_system) {
case SYS_DVBT:
cmd.args[0] = 0xa0;
cmd.args[1] = 0x01;
cmd.wlen = 2;
cmd.rlen = 13;
break;
case SYS_DVBT2:
cmd.args[0] = 0x50;
cmd.args[1] = 0x01;
cmd.wlen = 2;
cmd.rlen = 14;
break;
default:
ret = -EINVAL;
goto err;
}
ret = si2168_cmd_execute(s, &cmd);
if (ret)
goto err;
@ -125,7 +140,7 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
struct si2168_cmd cmd;
u8 bandwidth;
u8 bandwidth, delivery_system;
dev_dbg(&s->client->dev,
"%s: delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u\n",
@ -138,18 +153,30 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
goto err;
}
switch (c->delivery_system) {
case SYS_DVBT:
delivery_system = 0x20;
break;
case SYS_DVBT2:
delivery_system = 0x70;
break;
default:
ret = -EINVAL;
goto err;
}
switch (c->bandwidth_hz) {
case 5000000:
bandwidth = 0x25;
bandwidth = 0x05;
break;
case 6000000:
bandwidth = 0x26;
bandwidth = 0x06;
break;
case 7000000:
bandwidth = 0x27;
bandwidth = 0x07;
break;
case 8000000:
bandwidth = 0x28;
bandwidth = 0x08;
break;
default:
ret = -EINVAL;
@ -170,7 +197,11 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
memcpy(cmd.args, "\x89\x21\x06\x11\xff\x98", 6);
/* that has no big effect */
if (c->delivery_system == SYS_DVBT)
memcpy(cmd.args, "\x89\x21\x06\x11\xff\x98", 6);
else if (c->delivery_system == SYS_DVBT2)
memcpy(cmd.args, "\x89\x21\x06\x11\x89\x20", 6);
cmd.wlen = 6;
cmd.rlen = 3;
ret = si2168_cmd_execute(s, &cmd);
@ -241,7 +272,7 @@ static int si2168_set_frontend(struct dvb_frontend *fe)
goto err;
memcpy(cmd.args, "\x14\x00\x0a\x10\x00\x00", 6);
cmd.args[4] = bandwidth;
cmd.args[4] = delivery_system | bandwidth;
cmd.wlen = 6;
cmd.rlen = 1;
ret = si2168_cmd_execute(s, &cmd);
@ -583,7 +614,7 @@ static int si2168_deselect(struct i2c_adapter *adap, void *mux_priv, u32 chan)
}
static const struct dvb_frontend_ops si2168_ops = {
.delsys = {SYS_DVBT},
.delsys = {SYS_DVBT, SYS_DVBT2},
.info = {
.name = "Silicon Labs Si2168",
.caps = FE_CAN_FEC_1_2 |