rockbox/firmware/target/arm/audio-pp.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

113 lines
3.7 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* 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"
void audio_set_output_source(int source)
{
#if INPUT_SRC_CAPS != 0
if ((unsigned)source >= AUDIO_NUM_SOURCES)
#endif
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;
#ifdef HAVE_FMRADIO_REC
bool recording = flags & SRCF_RECORDING;
static bool last_recording = false;
#endif
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();
}
#endif
break;
#ifdef HAVE_MIC_REC
case AUDIO_SRC_MIC: /* recording only */
if (source != last_source)
{
audiohw_set_monitor(false);
audiohw_enable_recording(true); /* source mic */
}
break;
#endif
#ifdef HAVE_LINE_REC
case AUDIO_SRC_LINEIN: /* recording only */
#if defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
/* Switch line in source to line-in */
GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL, 0x04);
#endif
if (source != last_source)
{
audiohw_set_monitor(false);
audiohw_enable_recording(false); /* source line */
}
break;
#endif
#ifdef HAVE_FMRADIO_REC
case AUDIO_SRC_FMRADIO: /* recording and playback */
#if defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
/* Switch line in source to tuner */
GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x04);
/* Set line-in vol to +12dB, which is proper for H10's */
if (!recording)
audiohw_set_recvol(0x1f, 0x1f, AUDIO_GAIN_LINEIN);
#else /* Set line-in vol to 0dB*/
if (!recording)
audiohw_set_recvol(0x17, 0x17, AUDIO_GAIN_LINEIN);
#endif
if (source == last_source && recording == last_recording)
break;
last_recording = recording;
if (recording)
{
audiohw_set_monitor(false); /* disable bypass mode */
audiohw_enable_recording(false); /* select line-in source */
}
else
{
audiohw_disable_recording();
audiohw_set_monitor(true); /* enable bypass mode */
}
break;
#endif
} /* end switch */
last_source = source;
} /* audio_input_mux */