0fe7b8becf
None of the Sony up to A15 seem to support RDS (they use either Si4702 or Si4708), thus I did not add any code to support RDS. Change-Id: I64838993b9705b36b94665f8470c7a89c772c961
180 lines
5 KiB
C
180 lines
5 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Audio signal path management APIs
|
|
*
|
|
* Copyright (C) 2007 by Michael Sevakis
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#include "system.h"
|
|
#include "cpu.h"
|
|
#include "audio.h"
|
|
#include "general.h"
|
|
#include "settings.h"
|
|
#if defined(HAVE_SPDIF_IN) || defined(HAVE_SPDIF_OUT)
|
|
#ifdef HAVE_SPDIF_POWER
|
|
#include "power.h"
|
|
#endif
|
|
#include "spdif.h"
|
|
#endif
|
|
#if CONFIG_TUNER
|
|
#include "radio.h"
|
|
#endif
|
|
#if defined(IPOD_ACCESSORY_PROTOCOL) && defined(HAVE_LINE_REC)
|
|
#include "iap.h"
|
|
#endif
|
|
|
|
/* Some audio sources may require a boosted CPU */
|
|
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
|
|
#ifdef HAVE_SPDIF_REC
|
|
#define AUDIO_CPU_BOOST
|
|
#endif
|
|
#endif
|
|
|
|
#if ((CONFIG_PLATFORM & PLATFORM_NATIVE) || defined(SAMSUNG_YPR0) || defined(SAMSUNG_YPR1) \
|
|
|| defined(SONY_NWZ_LINUX))
|
|
|
|
#ifdef AUDIO_CPU_BOOST
|
|
static void audio_cpu_boost(bool state)
|
|
{
|
|
static bool cpu_boosted = false;
|
|
|
|
if (state != cpu_boosted)
|
|
{
|
|
cpu_boost(state);
|
|
cpu_boosted = state;
|
|
}
|
|
} /* audio_cpu_boost */
|
|
#endif /* AUDIO_CPU_BOOST */
|
|
|
|
/**
|
|
* Selects an audio source for recording or playback
|
|
* powers/unpowers related devices and sets up monitoring.
|
|
*/
|
|
void audio_set_input_source(int source, unsigned flags)
|
|
{
|
|
/** Do power up/down of associated device(s) **/
|
|
|
|
/** SPDIF **/
|
|
#ifdef AUDIO_CPU_BOOST
|
|
/* Always boost for SPDIF */
|
|
audio_cpu_boost(source == AUDIO_SRC_SPDIF);
|
|
#endif /* AUDIO_CPU_BOOST */
|
|
|
|
#ifdef HAVE_SPDIF_POWER
|
|
/* Check if S/PDIF output power should be switched off or on. NOTE: assumes
|
|
both optical in and out is controlled by the same power source, which is
|
|
the case on H1x0. */
|
|
spdif_power_enable((source == AUDIO_SRC_SPDIF) ||
|
|
global_settings.spdif_enable);
|
|
#endif /* HAVE_SPDIF_POWER */
|
|
/* Set the appropriate feed for spdif output */
|
|
#ifdef HAVE_SPDIF_OUT
|
|
spdif_set_output_source(source
|
|
IF_SPDIF_POWER_(, global_settings.spdif_enable));
|
|
#endif /* HAVE_SPDIF_OUT */
|
|
|
|
/** Tuner **/
|
|
#if CONFIG_TUNER
|
|
/* Switch radio off or on per source and flags. */
|
|
if (source != AUDIO_SRC_FMRADIO)
|
|
radio_stop();
|
|
else if (flags & SRCF_FMRADIO_PAUSED)
|
|
radio_pause();
|
|
else
|
|
radio_start();
|
|
#endif
|
|
|
|
#if defined(IPOD_ACCESSORY_PROTOCOL) && defined(HAVE_LINE_REC)
|
|
static bool last_rec_onoff = false;
|
|
bool onoff = (source == AUDIO_SRC_LINEIN) ? true : false;
|
|
if (last_rec_onoff != onoff)
|
|
last_rec_onoff = iap_record(onoff);
|
|
#endif
|
|
|
|
/* set hardware inputs */
|
|
audio_input_mux(source, flags);
|
|
} /* audio_set_source */
|
|
|
|
#ifdef HAVE_SPDIF_IN
|
|
/**
|
|
* Return SPDIF sample rate index in audio_master_sampr_list. Since we base
|
|
* our reading on the actual SPDIF sample rate (which might be a bit
|
|
* inaccurate), we round off to the closest sample rate that is supported by
|
|
* SPDIF.
|
|
*/
|
|
int audio_get_spdif_sample_rate(void)
|
|
{
|
|
unsigned long measured_rate = spdif_measure_frequency();
|
|
/* Find which SPDIF sample rate we're closest to. */
|
|
return round_value_to_list32(measured_rate, audio_master_sampr_list,
|
|
SAMPR_NUM_FREQ, false);
|
|
} /* audio_get_spdif_sample_rate */
|
|
#endif /* HAVE_SPDIF_IN */
|
|
|
|
#else /* PLATFORM_HOSTED */
|
|
|
|
/** Sim stubs **/
|
|
|
|
#ifdef AUDIO_CPU_BOOST
|
|
static void audio_cpu_boost(bool state)
|
|
{
|
|
(void)state;
|
|
} /* audio_cpu_boost */
|
|
#endif /* AUDIO_CPU_BOOST */
|
|
|
|
void audio_set_output_source(int source)
|
|
{
|
|
(void)source;
|
|
} /* audio_set_output_source */
|
|
|
|
void audio_set_input_source(int source, unsigned flags)
|
|
{
|
|
(void)source;
|
|
(void)flags;
|
|
#if CONFIG_TUNER
|
|
/* Switch radio off or on per source and flags. */
|
|
if (source != AUDIO_SRC_FMRADIO)
|
|
radio_stop();
|
|
else if (flags & SRCF_FMRADIO_PAUSED)
|
|
radio_pause();
|
|
else
|
|
radio_start();
|
|
#endif
|
|
} /* audio_set_input_source */
|
|
|
|
#ifdef HAVE_SPDIF_IN
|
|
int audio_get_spdif_sample_rate(void)
|
|
{
|
|
return FREQ_44;
|
|
} /* audio_get_spdif_sample_rate */
|
|
#endif /* HAVE_SPDIF_IN */
|
|
|
|
#endif /* PLATFORM_NATIVE */
|
|
|
|
#ifdef HAVE_SPEAKER
|
|
void audio_enable_speaker(int mode)
|
|
{
|
|
#ifdef HAVE_HEADPHONE_DETECTION
|
|
/* if needed, query jack state */
|
|
if(mode == 2)
|
|
mode = !headphones_inserted();
|
|
#endif
|
|
/* treat any nonzero value as enable */
|
|
audiohw_enable_speaker(mode);
|
|
}
|
|
#endif
|