85807cd44e
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18566 a1c6a512-1295-4272-9138-f99709370657
58 lines
1.8 KiB
C
58 lines
1.8 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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* TCC specific code for Wolfson audio codecs
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*
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* Based on code from the ipodlinux project - http://ipodlinux.org/
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* Adapted for Rockbox in December 2005
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*
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* Original file: linux/arch/armnommu/mach-ipod/audio.c
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*
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* Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org)
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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 "system.h"
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#include "audiohw.h"
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#include "i2c.h"
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#include "wmcodec.h"
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#if defined(COWON_D2)
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/* The D2's audio codec uses an I2C address of 0x34 */
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#define I2C_AUDIO_ADDRESS 0x34
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#elif defined (IAUDIO_7) || defined(LOGIK_DAX) || defined(SANSA_M200)
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#define I2C_AUDIO_ADDRESS 0x34
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#else
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#error wmcodec not implemented for this target!
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#endif
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void audiohw_init(void)
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{
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#if defined(HAVE_WM8731) || defined(HAVE_WM8751)
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audiohw_preinit();
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#endif
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}
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void wmcodec_write(int reg, int data)
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{
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unsigned char d[2];
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d[0] = (reg << 1) | ((data & 0x100) >> 8);
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d[1] = data;
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i2c_write(I2C_AUDIO_ADDRESS, d, 2);
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}
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