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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>
This commit is contained in:
Manu Abraham 2006-06-21 10:27:26 -03:00 committed by Mauro Carvalho Chehab
parent 2e506a0faf
commit 8cfba6301c
1 changed files with 47 additions and 5 deletions
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52
drivers/media/dvb/bt8xx/dst.c
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@ -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,