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V4L/DVB (5458): Tda1004x: add ts_mode option to config struct 

The struct tda1004x_config has a new entry: .ts_mode
Possible values are TDA10046_TS_PARALLEL or TDA10046_TS_SERIAL
There always is only one interface active, default is parallel.

Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Hartmut Hackmann 2007-03-18 19:23:20 -03:00 committed by Mauro Carvalho Chehab
parent d519dcf61e
commit 08cdf94c07
2 changed files with 17 additions and 2 deletions
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11
drivers/media/dvb/frontends/tda1004x.c
View File

@ -657,8 +657,16 @@ static int tda10046_init(struct dvb_frontend* fe)
tda1004x_write_mask(state, TDA10046H_CONF_POLARITY, 0xf0, 0x60); // set AGC polarities
break;
}
if (state->config->ts_mode == 0) {
tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 0xc0, 0x40);
tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7);
} else {
tda1004x_write_mask(state, TDA10046H_CONF_TRISTATE1, 0xc0, 0x80);
tda1004x_write_mask(state, TDA10046H_CONF_POLARITY, 0x10,
state->config->invert_oclk << 4);
}
tda1004x_write_byteI(state, TDA1004X_CONFADC2, 0x38);
tda1004x_write_byteI(state, TDA10046H_CONF_TRISTATE1, 0x79); // Turn IF AGC output on
tda1004x_write_mask (state, TDA10046H_CONF_TRISTATE1, 0x3e, 0x38); // Turn IF AGC output on
tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MIN, 0); // }
tda1004x_write_byteI(state, TDA10046H_AGC_TUN_MAX, 0xff); // } AGC min/max values
tda1004x_write_byteI(state, TDA10046H_AGC_IF_MIN, 0); // }
@ -668,7 +676,6 @@ static int tda10046_init(struct dvb_frontend* fe)
tda1004x_write_byteI(state, TDA1004X_CONF_TS1, 7); // MPEG2 interface config
tda1004x_write_byteI(state, TDA1004X_CONF_TS2, 0xc0); // MPEG2 interface config
// tda1004x_write_mask(state, 0x50, 0x80, 0x80); // handle out of guard echoes
tda1004x_write_mask(state, 0x3a, 0x80, state->config->invert_oclk << 7);
return 0;
}

8
drivers/media/dvb/frontends/tda1004x.h
View File

@ -61,6 +61,11 @@ enum tda10046_if {
TDA10046_FREQ_052, /* low IF, 5.1667 MHZ for tda9889 */
};
enum tda10046_tsout {
TDA10046_TS_PARALLEL = 0x00, /* parallel transport stream, default */
TDA10046_TS_SERIAL = 0x01, /* serial transport stream */
};
struct tda1004x_config
{
/* the demodulator's i2c address */
@ -72,6 +77,9 @@ struct tda1004x_config
/* Does the OCLK signal need inverted? */
u8 invert_oclk;
/* parallel or serial transport stream */
enum tda10046_tsout ts_mode;
/* Xtal frequency, 4 or 16MHz*/
enum tda10046_xtal xtal_freq;