rockbox/firmware/target/arm/pp/audio-pp.c
Solomon Peachy 2d57bfba36 portalplayer: Fix three set-but-not-used warnings.
(They show up when building with gcc494)

Change-Id: Id5e2bccf18114ed78a557ac1b369f46b4f07d042
2020-07-05 17:15:57 +00:00

160 lines
5 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"
#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 */
#ifdef HAVE_AK4537
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;
if ((source == AUDIO_SRC_FMRADIO) && (!recording))
audiohw_set_recvol(0, 0, AUDIO_GAIN_LINEIN); /* Set line-in vol to 0dB*/
#endif
if (source != last_source)
audiohw_set_recsrc(source);
last_source = source;
}
#else
void audio_input_mux(int source, unsigned flags)
{
(void)flags;
/* Prevent pops from unneeded switching */
#ifdef HAVE_RECORDING
static int last_source = AUDIO_SRC_PLAYBACK;
#endif
#ifdef HAVE_FMRADIO_REC
bool recording = flags & SRCF_RECORDING;
static bool last_recording = false;
#endif
#if defined(IPOD_COLOR) || defined (IPOD_4G)
/* The usual magic from IPL - I'm guessing this configures the headphone
socket to be input or output. */
if ((flags & SRCF_RECORDING) && source != AUDIO_SRC_PLAYBACK)
{
/* input */
GPIO_CLEAR_BITWISE(GPIOI_OUTPUT_VAL, 0x40);
GPIO_CLEAR_BITWISE(GPIOA_OUTPUT_VAL, 0x04);
}
else
{
/* output */
GPIO_SET_BITWISE(GPIOI_OUTPUT_VAL, 0x40);
GPIO_SET_BITWISE(GPIOA_OUTPUT_VAL, 0x04);
}
#endif /* IPOD_COLOR || IPOD_4G */
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 CONFIG_TUNER & IPOD_REMOTE_TUNER
/* Ipod FM tuner is in the remote connected to line-in */
audiohw_enable_recording(false); /* source line */
audiohw_set_monitor(true); /* enable bypass mode */
#else
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 */
}
#endif
break;
#endif
} /* end switch */
#ifdef HAVE_RECORDING
last_source = source;
#endif
} /* audio_input_mux */
#endif
#endif /* INPUT_SRC_CAPS != 0 */