/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * $Id$ * * Gigabeat specific code for the Wolfson codec * * 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 "cpu.h" #include "kernel.h" #include "sound.h" #include "i2c-meg-fx.h" void audiohw_init(void) { /* reset I2C */ i2c_init(); /* GPC5 controls headphone output */ GPCCON &= ~(0x3 << 10); GPCCON |= (1 << 10); GPCDAT |= (1 << 5); audiohw_preinit(); } void wmcodec_write(int reg, int data) { unsigned char d[2]; d[0] = (reg << 1) | ((data & 0x100) >> 8); d[1] = data; i2c_write(0x34, d, 2); }