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| author | Manu Abraham <abraham.manu@gmail.com> | 2006-06-21 17:27:26 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-06-25 09:05:15 +0400 |
| commit | 8cfba6301c3c7e0d3332e237b99fefc0db001163 (patch) | |
| tree | 4c04d234e7c232a2ca8a0a9bf46f0a7f7afbb4e0 /drivers/media/dvb/bt8xx/dst.c | |
| parent | 2e506a0faff0caa62e4c9531611684ff61cf1ca4 (diff) | |
| download | linux-8cfba6301c3c7e0d3332e237b99fefc0db001163.tar.xz | |
V4L/DVB (4159): Implement tuning algorithm as a module parameter
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/dvb/bt8xx/dst.c')
| -rw-r--r-- | drivers/media/dvb/bt8xx/dst.c | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/drivers/media/dvb/bt8xx/dst.c b/drivers/media/dvb/bt8xx/dst.c index 2346667721bc..df97210b6b5a 100644 --- a/drivers/media/dvb/bt8xx/dst.c +++ b/drivers/media/dvb/bt8xx/dst.c @@ -38,6 +38,10 @@ static unsigned int dst_addons; module_param(dst_addons, int, 0644); MODULE_PARM_DESC(dst_addons, "CA daughterboard, default is 0 (No addons)"); +static unsigned int dst_algo; +module_param(dst_algo, int, 0644); +MODULE_PARM_DESC(dst_algo, "tuning algo: default is 0=(SW), 1=(HW)"); + #define HAS_LOCK 1 #define ATTEMPT_TUNE 2 #define HAS_POWER 4 @@ -1360,7 +1364,36 @@ static int dst_read_snr(struct dvb_frontend *fe, u16 *snr) return 0; } -static int dst_set_frontend(struct dvb_frontend* fe, +static int dst_set_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p) +{ + struct dst_state *state = fe->demodulator_priv; + + if (p != NULL) { + dst_set_freq(state, p->frequency); + dprintk(verbose, DST_DEBUG, 1, "Set Frequency=[%d]", p->frequency); + + if (state->dst_type == DST_TYPE_IS_SAT) { + if (state->type_flags & DST_TYPE_HAS_OBS_REGS) + dst_set_inversion(state, p->inversion); + dst_set_fec(state, p->u.qpsk.fec_inner); + dst_set_symbolrate(state, p->u.qpsk.symbol_rate); + dst_set_polarization(state); + dprintk(verbose, DST_DEBUG, 1, "Set Symbolrate=[%d]", p->u.qpsk.symbol_rate); + + } else if (state->dst_type == DST_TYPE_IS_TERR) + dst_set_bandwidth(state, p->u.ofdm.bandwidth); + else if (state->dst_type == DST_TYPE_IS_CABLE) { + dst_set_fec(state, p->u.qam.fec_inner); + dst_set_symbolrate(state, p->u.qam.symbol_rate); + dst_set_modulation(state, p->u.qam.modulation); + } + dst_write_tuna(fe); + } + + return 0; +} + +static int dst_tune_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters* p, unsigned int mode_flags, int *delay, @@ -1397,6 +1430,11 @@ static int dst_set_frontend(struct dvb_frontend* fe, return 0; } +static int dst_get_tuning_algo(struct dvb_frontend *fe) +{ + return dst_algo; +} + static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_parameters *p) { struct dst_state *state = fe->demodulator_priv; @@ -1476,7 +1514,8 @@ static struct dvb_frontend_ops dst_dvbt_ops = { .release = dst_release, .init = dst_init, - .tune = dst_set_frontend, + .tune = dst_tune_frontend, + .set_frontend = dst_set_frontend, .get_frontend = dst_get_frontend, .read_status = dst_read_status, .read_signal_strength = dst_read_signal_strength, @@ -1500,7 +1539,8 @@ static struct dvb_frontend_ops dst_dvbs_ops = { .release = dst_release, .init = dst_init, - .tune = dst_set_frontend, + .tune = dst_tune_frontend, + .set_frontend = dst_set_frontend, .get_frontend = dst_get_frontend, .read_status = dst_read_status, .read_signal_strength = dst_read_signal_strength, @@ -1527,7 +1567,8 @@ static struct dvb_frontend_ops dst_dvbc_ops = { .release = dst_release, .init = dst_init, - .tune = dst_set_frontend, + .tune = dst_tune_frontend, + .set_frontend = dst_set_frontend, .get_frontend = dst_get_frontend, .read_status = dst_read_status, .read_signal_strength = dst_read_signal_strength, @@ -1548,7 +1589,8 @@ static struct dvb_frontend_ops dst_atsc_ops = { .release = dst_release, .init = dst_init, - .tune = dst_set_frontend, + .tune = dst_tune_frontend, + .set_frontend = dst_set_frontend, .get_frontend = dst_get_frontend, .read_status = dst_read_status, .read_signal_strength = dst_read_signal_strength, |