static void frontend_set_bw(struct dibFrontend *fe, struct dibChannel *ch)
{
if (fe->current_bw != ch->bandwidth_kHz) {
tuner_set_bandwidth_ex(fe, ch);
fe->current_bw = ch->bandwidth_kHz;
//demod_set_bandwidth_and_update_timf(TIMF_SET_BANDWIDTH);
}
}
int tune_single_tuner_and_demod_channel(struct dibTuner *tuner, struct dibDemod *demod, struct dibChannel *ch)
{
int time, ret;
if (demod_init(demod) != 0) {
DibDbgPrint("-E- Demod init failed\n");
return 1;
}
if (tuner_init(tuner) != 0) {
DibDbgPrint("-E- Tuner init failed\n");
return 1;
}
if (tuner_set_bandwidth_ex(tuner, ch) != 0) {
DibDbgPrint("-E- Tuner set_bandwidth failed\n");
return 1;
}
if (tuner_tune(tuner, ch) != 0) {
DibDbgPrint("-E- Tuner tune_digital failed\n");
return 1;
}
/* prepare the agc startup loop */
demod_agc_restart(demod);
do {
time = -1;
ret = demod_agc_startup_ex(demod, ch);
if (ret > time)
time = ret;
if (time != -1)
DibMSleep(time);
} while (time != -1);
if ((ch->type == STANDARD_DVBT && (ch->u.dvbt.nfft == FFT_AUTO || ch->u.dvbt.guard == GUARD_INTERVAL_AUTO || ch->u.dvbt.constellation == QAM_AUTO ||
ch->u.dvbt.intlv_native == INTLV_NATIVE_AUTO || ch->u.dvbt.hrch == VIT_HRCH_AUTO || ch->u.dvbt.select_hp == VIT_PRIORITY_AUTO ||
ch->u.dvbt.alpha == VIT_ALPHA_AUTO || ch->u.dvbt.code_rate_hp == VIT_CODERATE_AUTO ||
((ch->u.dvbt.hrch == VIT_HRCH_ON && ch->u.dvbt.code_rate_lp == VIT_CODERATE_AUTO)))) ||
((ch->type == STANDARD_ISDBT) && (ch->u.isdbt.nfft == FFT_AUTO || ch->u.isdbt.guard == GUARD_INTERVAL_AUTO)))
if (single_do_autosearch(demod, ch) != 0) {
DibDbgPrint("-W- autosearching parameters failed.\n");
return 1;
}
dump_dvb_channel_params(ch);
if (demod_tune_ex(demod,ch) != 0){
DibDbgPrint("-W- tuning failed for demod - this is just a warning could be normal in diversity.\n");
return 1;
}
return 0;
}
/* tune (do autosearch in case of unknown parameters) */
void tune_diversity_tuner_and_demod_channel(struct dibTuner *tuner[], struct dibDemod *demod[], int num, struct dibChannel *ch)
{
int i, time, ret;
for (i = 0; i < num; i++) {
if (demod_init(demod[i]) != 0) {
DibDbgPrint("-E- Tuner init failed\n");
return;
}
if (tuner_init(tuner[i]) != 0) {
DibDbgPrint("-E- Tuner init failed\n");
return;
}
}
for (i = 0; i < num; i++) {
if (tuner_set_bandwidth_ex(tuner[i], ch) != 0) {
DibDbgPrint("-E- Tuner set_bandwidth failed\n");
return;
}
if (tuner_tune(tuner[i], ch) != 0) {
DibDbgPrint("-E- Tuner tune_digital failed\n");
return;
}
/* prepare the agc startup loop */
demod_agc_restart(demod[i]);
}
do {
time = -1;
for (i = 0; i < num; i++) {
ret = demod_agc_startup_ex(demod[i], ch);
if (ret > time)
time = ret;
}
if (time != -1)
DibMSleep(time);
} while (time != -1);
if ((ch->type == STANDARD_DVBT && (ch->u.dvbt.nfft == FFT_AUTO || ch->u.dvbt.guard == GUARD_INTERVAL_AUTO || ch->u.dvbt.constellation == QAM_AUTO ||
ch->u.dvbt.intlv_native == INTLV_NATIVE_AUTO || ch->u.dvbt.hrch == VIT_HRCH_AUTO || ch->u.dvbt.select_hp == VIT_PRIORITY_AUTO ||
ch->u.dvbt.alpha == VIT_ALPHA_AUTO || ch->u.dvbt.code_rate_hp == VIT_CODERATE_AUTO ||
((ch->u.dvbt.hrch == VIT_HRCH_ON && ch->u.dvbt.code_rate_lp == VIT_CODERATE_AUTO)))))
if (do_autosearch(demod, num, ch) != 0) {
DibDbgPrint("-W- autosearching parameters failed.\n");
return;
}
dump_dvb_channel_params(ch);
for (i = 0; i < num; i++) {
if (demod_tune_ex(demod[i],ch) != 0)
DibDbgPrint("-W- tuning failed for demod - this is just a warning could be normal in diversity.\n");
}
for (i = 0; i < num; i++) {
if (i == num-1) { // last demod in a diversity chain - turn off div-in combination
DibDbgPrint("-D- setting diversity in off for demod %d\n",i);
demod_set_diversity_in(demod[i], 0);
} else {
DibDbgPrint("-D- setting diversity in on for demod %d\n",i);
demod_set_diversity_in(demod[i], 1);
}
if (i == 0) { // first demod in a diversity chain - no diversity output
DibDbgPrint("-D- setting normal output for demod %d\n",i);
demod_set_output_mode(demod[i], OUTMODE_MPEG2_PAR_GATED_CLK);
} else {
DibDbgPrint("-D- setting diversity out on for demod %d\n",i);
demod_set_output_mode(demod[i], OUTMODE_DIVERSITY);
}
}
return;
}
