44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/***************************************************************************
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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) 2011 by Amaury Pouly
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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 "audioin-imx233.h"
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void imx233_audioin_preinit(void)
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{
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/* Enable AUDIOIN block */
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imx233_reset_block(&HW_AUDIOIN_CTRL);
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/* Enable ADC */
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__REG_CLR(HW_AUDIOIN_ANACLKCTRL) = HW_AUDIOIN_ANACLKCTRL__CLKGATE;
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/* Set word-length to 16-bit */
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__REG_SET(HW_AUDIOIN_CTRL) = HW_AUDIOIN_CTRL__WORD_LENGTH;
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}
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void imx233_audioin_postinit(void)
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{
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}
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void imx233_audioin_close(void)
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{
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/* TODO mute */
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/* Gate off ADC */
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__REG_SET(HW_AUDIOIN_ANACLKCTRL) = HW_AUDIOIN_ANACLKCTRL__CLKGATE;
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/* will also gate off the module */
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__REG_CLR(HW_AUDIOIN_CTRL) = HW_AUDIOIN_CTRL__RUN;
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}
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