/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * TCC specific code for Wolfson audio codecs * * 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) * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. * * 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.h" #if defined(COWON_D2) /* The D2's audio codec uses an I2C address of 0x34 */ #define I2C_AUDIO_ADDRESS 0x34 #else #error wmcodec not implemented for this target! #endif void audiohw_init(void) { } void wmcodec_write(int reg, int data) { unsigned char d[2]; d[0] = (reg << 1) | ((data & 0x100) >> 8); d[1] = data; i2c_write(I2C_AUDIO_ADDRESS, d, 2); }