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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id: audio-nano2g.c 23095 2009-10-11 09:17:12Z dave $
*
* Copyright (C) 2006 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 "sound.h"
#include "pmu-target.h"
extern int rec_hw_ver;
#if INPUT_SRC_CAPS != 0
void audio_set_output_source(int source)
{
if ((unsigned)source >= AUDIO_NUM_SOURCES)
source = AUDIO_SRC_PLAYBACK;
} /* audio_set_output_source */
void audio_input_mux(int source, unsigned flags)
{
(void)flags;
/* Prevent pops from unneeded switching */
static int last_source = AUDIO_SRC_PLAYBACK;
switch (source)
{
default: /* playback - no recording */
source = AUDIO_SRC_PLAYBACK;
case AUDIO_SRC_PLAYBACK:
#ifdef HAVE_RECORDING
if (source != last_source)
{
audiohw_set_monitor(false);
audiohw_disable_recording();
/* Vcodec = 1800mV (900mV + value*100mV) */
pmu_ldo_set_voltage(3, 0x9);
if (rec_hw_ver == 1)
GPIOCMD = 0xe070e;
}
#endif
break;
#ifdef HAVE_MIC_REC
case AUDIO_SRC_MIC: /* recording only */
if (source != last_source)
{
if (rec_hw_ver == 1)
GPIOCMD = 0xe070f;
/* Vcodec = 2400mV (900mV + value*100mV) */
pmu_ldo_set_voltage(3, 0xf);
audiohw_set_monitor(false);
audiohw_enable_recording(true); /* source mic */
}
break;
#endif
#ifdef HAVE_LINE_REC
case AUDIO_SRC_LINEIN: /* recording only */
if (source != last_source)
{
if (rec_hw_ver == 1)
GPIOCMD = 0xe070e;
/* Vcodec = 2400mV (900mV + value*100mV) */
pmu_ldo_set_voltage(3, 0xf);
audiohw_set_monitor(false);
audiohw_enable_recording(false); /* source line */
}
break;
#endif
} /* end switch */
last_source = source;
} /* audio_input_mux */
#endif /* INPUT_SRC_CAPS != 0 */
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