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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id:$
*
* Coldfire specific code for Wolfson audio codecs based on
* wmcodec-pp.c
*
* Based on code from the ipodlinux project - http://ipodlinux.org/
* Adapted for Rockbox in December 2005
*
* Original file: linux/arch/armnommu/mach-ipod/audio.c
*
* Copyright (c) 2003-2005 Bernard Leach (leachbj@bouncycastle.org)
*
* 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 "audiohw.h"
#include "i2c-coldfire.h"
#include "i2s.h"
#include "wmcodec.h"
#if defined(MPIO_HD200)
#define I2C_CODEC_ADDRESS 0x34
#define I2C_IFACE I2C_IFACE_1
#endif
void audiohw_init(void)
{
audiohw_preinit();
}
void wmcodec_write(int reg, int data)
{
unsigned char wmdata[2];
wmdata[0] = (reg << 1) | ((data & 0x100)>>8);
wmdata[1] = data & 0xff;
i2c_write(I2C_IFACE,I2C_CODEC_ADDRESS,wmdata,2);
return;
}
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