diff options
Diffstat (limited to 'drivers/media/dvb/frontends/s5h1409.c')
| -rw-r--r-- | drivers/media/dvb/frontends/s5h1409.c | 51 |
1 files changed, 44 insertions, 7 deletions
diff --git a/drivers/media/dvb/frontends/s5h1409.c b/drivers/media/dvb/frontends/s5h1409.c index 3391777e0b2..819433485d3 100644 --- a/drivers/media/dvb/frontends/s5h1409.c +++ b/drivers/media/dvb/frontends/s5h1409.c @@ -98,7 +98,7 @@ static struct init_tab { { 0xac, 0x1003, }, { 0xad, 0x103f, }, { 0xe2, 0x0100, }, - { 0xe3, 0x0000, }, + { 0xe3, 0x1000, }, { 0x28, 0x1010, }, { 0xb1, 0x000e, }, }; @@ -441,9 +441,11 @@ static int s5h1409_set_gpio(struct dvb_frontend* fe, int enable) dprintk("%s(%d)\n", __FUNCTION__, enable); if (enable) - return s5h1409_writereg(state, 0xe3, 0x1100); + return s5h1409_writereg(state, 0xe3, + s5h1409_readreg(state, 0xe3) | 0x1100); else - return s5h1409_writereg(state, 0xe3, 0x1000); + return s5h1409_writereg(state, 0xe3, + s5h1409_readreg(state, 0xe3) & 0xeeff); } static int s5h1409_sleep(struct dvb_frontend* fe, int enable) @@ -513,13 +515,15 @@ static void s5h1409_set_qam_interleave_mode(struct dvb_frontend *fe) s5h1409_writereg(state, 0x96, 0x20); s5h1409_writereg(state, 0xad, ( ((reg1 & 0xf000) >> 4) | (reg2 & 0xf0ff)) ); - s5h1409_writereg(state, 0xab, 0x1100); + s5h1409_writereg(state, 0xab, + s5h1409_readreg(state, 0xab) & 0xeffe); } } else { if (state->qam_state != 1) { state->qam_state = 1; s5h1409_writereg(state, 0x96, 0x08); - s5h1409_writereg(state, 0xab, 0x1101); + s5h1409_writereg(state, 0xab, + s5h1409_readreg(state, 0xab) | 0x1001); } } } @@ -556,6 +560,36 @@ static int s5h1409_set_frontend (struct dvb_frontend* fe, return 0; } +static int s5h1409_set_mpeg_timing(struct dvb_frontend *fe, int mode) +{ + struct s5h1409_state *state = fe->demodulator_priv; + u16 val; + + dprintk("%s(%d)\n", __FUNCTION__, mode); + + val = s5h1409_readreg(state, 0xac) & 0xcfff; + switch (mode) { + case S5H1409_MPEGTIMING_CONTINOUS_INVERTING_CLOCK: + val |= 0x0000; + break; + case S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK: + dprintk("%s(%d) Mode1 or Defaulting\n", __FUNCTION__, mode); + val |= 0x1000; + break; + case S5H1409_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK: + val |= 0x2000; + break; + case S5H1409_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK: + val |= 0x3000; + break; + default: + return -EINVAL; + } + + /* Configure MPEG Signal Timing charactistics */ + return s5h1409_writereg(state, 0xac, val); +} + /* Reset the demod hardware and reset all of the configuration registers to a default state. */ static int s5h1409_init (struct dvb_frontend* fe) @@ -575,13 +609,16 @@ static int s5h1409_init (struct dvb_frontend* fe) state->current_modulation = VSB_8; if (state->config->output_mode == S5H1409_SERIAL_OUTPUT) - s5h1409_writereg(state, 0xab, 0x100); /* Serial */ + s5h1409_writereg(state, 0xab, + s5h1409_readreg(state, 0xab) | 0x100); /* Serial */ else - s5h1409_writereg(state, 0xab, 0x0); /* Parallel */ + s5h1409_writereg(state, 0xab, + s5h1409_readreg(state, 0xab) & 0xfeff); /* Parallel */ s5h1409_set_spectralinversion(fe, state->config->inversion); s5h1409_set_if_freq(fe, state->if_freq); s5h1409_set_gpio(fe, state->config->gpio); + s5h1409_set_mpeg_timing(fe, state->config->mpeg_timing); s5h1409_softreset(fe); /* Note: Leaving the I2C gate closed. */ |