void si4700_dbg_info(struct si4700_dbg_info *nfo)
{
memset(nfo->regs, 0, sizeof (nfo->regs));
if (tuner_powered())
{
si4700_read(16);
memcpy(nfo->regs, cache, sizeof (nfo->regs));
}
}
/* tuner abstraction layer: read something from the tuner */
int si4700_get(int setting)
{
int val = -1; /* default for unsupported query */
if(!tuner_powered() && setting != RADIO_PRESENT)
return -1;
mutex_lock(&fmr_mutex);
switch(setting)
{
case RADIO_PRESENT:
val = tuner_present;
break;
case RADIO_TUNED:
val = si4700_tuned();
break;
case RADIO_STEREO:
val = si4700_st();
break;
case RADIO_RSSI:
val = STATUSRSSI_RSSIr(si4700_read_reg(STATUSRSSI));
break;
case RADIO_RSSI_MIN:
val = RSSI_MIN;
break;
case RADIO_RSSI_MAX:
val = RSSI_MAX;
break;
#ifdef HAVE_RDS_CAP
case RADIO_EVENT:
{
#ifdef RDS_ISR_PROCESSING
int oldlevel = disable_irq_save();
#endif
val = rds_event;
rds_event = 0;
#ifdef RDS_ISR_PROCESSING
restore_irq(oldlevel);
#endif
break;
}
#endif
}
mutex_unlock(&fmr_mutex);
return val;
}
/* tuner abstraction layer: set something to the tuner */
int si4700_set(int setting, int value)
{
int val = 1;
if(!tuner_powered() && setting != RADIO_SLEEP)
return -1;
mutex_lock(&fmr_mutex);
switch(setting)
{
case RADIO_SLEEP:
if (value != 2)
si4700_sleep(value);
/* else actually it's 'pause' */
break;
case RADIO_FREQUENCY:
#ifdef HAVE_RDS_CAP
rds_reset();
#endif
si4700_set_frequency(value);
break;
case RADIO_SCAN_FREQUENCY:
#ifdef HAVE_RDS_CAP
rds_reset();
#endif
si4700_set_frequency(value);
val = si4700_tuned();
break;
case RADIO_MUTE:
si4700_write_masked(POWERCFG, value ? 0 : POWERCFG_DMUTE,
POWERCFG_DMUTE);
break;
case RADIO_REGION:
si4700_set_region(value);
break;
case RADIO_FORCE_MONO:
si4700_write_masked(POWERCFG, value ? POWERCFG_MONO : 0,
POWERCFG_MONO);
break;
default:
val = -1;
break;
}
mutex_unlock(&fmr_mutex);
return val;
}
/* Read raw RDS info for processing */
bool si4700_rds_read_raw(uint16_t data[4])
{
bool retval = false;
mutex_lock(&fmr_mutex);
if (tuner_powered())
{
si4700_read_reg(RDSD);
memcpy(data, &cache[RDSA], 4 * sizeof (uint16_t));
retval = true;
}
mutex_unlock(&fmr_mutex);
return retval;
}