diff options
| author | Antti Palosaari <crope@iki.fi> | 2014-04-12 03:35:27 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-04-23 16:52:22 +0400 |
| commit | bffab93c46434c99fcb27eb4e65af90a142f205c (patch) | |
| tree | e1dad0a107e79284a990ae6d9b1170ce398c186f /drivers/media/dvb-frontends | |
| parent | 192292403147877c7d5f737a3cc751ded397aef7 (diff) | |
| download | linux-bffab93c46434c99fcb27eb4e65af90a142f205c.tar.xz | |
[media] si2168: add support for DVB-T2
Add support for DVB-T2.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
| -rw-r--r-- | drivers/media/dvb-frontends/si2168.c | 55 |
1 files changed, 43 insertions, 12 deletions
diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index eef4e456548d..4f3efbef123e 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -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 | |