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[media] tda18212: add DVB-T2 support 

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Antti Palosaari 2011-08-12 18:29:10 -03:00 committed by Mauro Carvalho Chehab
parent 33cdf5b0e7
commit b682ad1d17
2 changed files with 44 additions and 9 deletions
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49
drivers/media/common/tuners/tda18212.c
View File

@ -136,12 +136,24 @@ static int tda18212_set_params(struct dvb_frontend *fe,
int ret, i;
u32 if_khz;
u8 buf[9];
#define DVBT_6 0
#define DVBT_7 1
#define DVBT_8 2
#define DVBT2_6 3
#define DVBT2_7 4
#define DVBT2_8 5
#define DVBC_6 6
#define DVBC_8 7
static const u8 bw_params[][3] = {
/* 0f 13 23 */
{ 0xb3, 0x20, 0x03 }, /* DVB-T 6 MHz */
{ 0xb3, 0x31, 0x01 }, /* DVB-T 7 MHz */
{ 0xb3, 0x22, 0x01 }, /* DVB-T 8 MHz */
{ 0x92, 0x53, 0x03 }, /* DVB-C */
/* reg: 0f 13 23 */
[DVBT_6] = { 0xb3, 0x20, 0x03 },
[DVBT_7] = { 0xb3, 0x31, 0x01 },
[DVBT_8] = { 0xb3, 0x22, 0x01 },
[DVBT2_6] = { 0xbc, 0x20, 0x03 },
[DVBT2_7] = { 0xbc, 0x72, 0x03 },
[DVBT2_8] = { 0xbc, 0x22, 0x01 },
[DVBC_6] = { 0x92, 0x50, 0x03 },
[DVBC_8] = { 0x92, 0x53, 0x03 },
};
dbg("delsys=%d RF=%d BW=%d\n",
@ -155,15 +167,34 @@ static int tda18212_set_params(struct dvb_frontend *fe,
switch (c->bandwidth_hz) {
case 6000000:
if_khz = priv->cfg->if_dvbt_6;
i = 0;
i = DVBT_6;
break;
case 7000000:
if_khz = priv->cfg->if_dvbt_7;
i = 1;
i = DVBT_7;
break;
case 8000000:
if_khz = priv->cfg->if_dvbt_8;
i = 2;
i = DVBT_8;
break;
default:
ret = -EINVAL;
goto error;
}
break;
case SYS_DVBT2:
switch (c->bandwidth_hz) {
case 6000000:
if_khz = priv->cfg->if_dvbt2_6;
i = DVBT2_6;
break;
case 7000000:
if_khz = priv->cfg->if_dvbt2_7;
i = DVBT2_7;
break;
case 8000000:
if_khz = priv->cfg->if_dvbt2_8;
i = DVBT2_8;
break;
default:
ret = -EINVAL;
@ -172,7 +203,7 @@ static int tda18212_set_params(struct dvb_frontend *fe,
break;
case SYS_DVBC_ANNEX_AC:
if_khz = priv->cfg->if_dvbc;
i = 3;
i = DVBC_8;
break;
default:
ret = -EINVAL;

4
drivers/media/common/tuners/tda18212.h
View File

@ -29,6 +29,10 @@ struct tda18212_config {
u16 if_dvbt_6;
u16 if_dvbt_7;
u16 if_dvbt_8;
u16 if_dvbt2_5;
u16 if_dvbt2_6;
u16 if_dvbt2_7;
u16 if_dvbt2_8;
u16 if_dvbc;
};