| /*************************************************************************** |
| * __________ __ ___. |
| * 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) |
| * |
| * 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.h" |
| #include "wmcodec.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); |
| } |