57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2008 by Nils Wallménius
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "wm8978.h"
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#include "audio.h"
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void audio_set_output_source(int source)
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{
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(void)source; /* TODO */
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}
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void audio_input_mux(int source, unsigned int flags)
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{
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(void)flags;
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switch (source)
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{
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case AUDIO_SRC_PLAYBACK:
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/* deselect bypass patths and set volume to -15dB */
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wmc_clear(WMC_LEFT_MIXER_CTRL, (WMC_BYPL2LMIX) | (7<<2));
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wmc_clear(WMC_RIGHT_MIXER_CTRL, (WMC_BYPR2RMIX) | (7<<2));
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/* disable L2/R2 inputs and boost stage */
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wmc_clear(WMC_POWER_MANAGEMENT2,
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WMC_INPPGAENR | WMC_INPPGAENL | WMC_BOOSTENL | WMC_BOOSTENR);
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break;
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case AUDIO_SRC_FMRADIO:
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/* enable L2/R2 inputs and boost stage */
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wmc_set(WMC_POWER_MANAGEMENT2,
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WMC_INPPGAENR | WMC_INPPGAENL | WMC_BOOSTENL | WMC_BOOSTENR);
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/* select bypass patths and set volume to 0dB */
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wmc_set(WMC_LEFT_MIXER_CTRL, (WMC_BYPL2LMIX) | (5<<2));
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wmc_set(WMC_RIGHT_MIXER_CTRL, (WMC_BYPR2RMIX) | (5<<2));
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break;
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default:
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source = AUDIO_SRC_PLAYBACK;
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}
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}
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