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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Bertrik Sikken
*
* 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 "config.h"
#include "system.h"
#include "cpu.h"
#include "audio.h"
#include "audiohw.h"
#include "sound.h"
int audio_channels = 2;
void audio_set_output_source(int source)
{
CGU_PERI |= CGU_I2SOUT_APB_CLOCK_ENABLE;
if (source == AUDIO_SRC_PLAYBACK)
I2SOUT_CONTROL &= ~(1<<5);
else
I2SOUT_CONTROL |= 1<<5; /* source = loopback from i2sin fifo */
}
void audio_input_mux(int source, unsigned flags)
{
static int last_source = AUDIO_SRC_PLAYBACK;
#if defined(HAVE_RECORDING) && (INPUT_SRC_CAPS & SRC_CAP_FMRADIO)
static bool last_recording = false;
const bool recording = flags & SRCF_RECORDING;
#else
(void) flags;
#endif
switch (source)
{
default: /* playback - no recording */
source = AUDIO_SRC_PLAYBACK;
case AUDIO_SRC_PLAYBACK:
if (source != last_source)
{
audio_channels = 2;
#if defined(HAVE_RECORDING) || defined(HAVE_FMRADIO_IN)
audiohw_set_monitor(false);
#endif
#ifdef HAVE_RECORDING
audiohw_disable_recording();
#endif
}
break;
#if defined(HAVE_RECORDING) && (INPUT_SRC_CAPS & SRC_CAP_MIC)
case AUDIO_SRC_MIC: /* recording only */
if (source != last_source)
{
audio_channels = 1;
audiohw_set_monitor(false);
audiohw_enable_recording(true); /* source mic */
}
break;
#endif
#if (INPUT_SRC_CAPS & SRC_CAP_FMRADIO)
case AUDIO_SRC_FMRADIO: /* recording and playback */
if (source == last_source
#ifdef HAVE_RECORDING
&& recording == last_recording
#endif
)
break;
audio_channels = 2;
#ifdef HAVE_RECORDING
last_recording = recording;
if (recording)
{
audiohw_set_monitor(false);
audiohw_enable_recording(false);
}
else
#endif
{
#ifdef HAVE_RECORDING
audiohw_disable_recording();
#endif
#if defined(HAVE_RECORDING) || defined(HAVE_FMRADIO_IN)
audiohw_set_monitor(true); /* line 2 analog audio path */
#endif
}
break;
#endif /* (INPUT_SRC_CAPS & SRC_CAP_FMRADIO) */
}
last_source = source;
}
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