5d63776a24
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12714 a1c6a512-1295-4272-9138-f99709370657
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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 "lcd.h"
|
|
#include "cpu.h"
|
|
#include "kernel.h"
|
|
#include "thread.h"
|
|
#include "power.h"
|
|
#include "debug.h"
|
|
#include "system.h"
|
|
#include "sprintf.h"
|
|
#include "button.h"
|
|
#include "string.h"
|
|
#include "file.h"
|
|
#include "buffer.h"
|
|
#include "audio.h"
|
|
#include "i2c.h"
|
|
#include "i2c-meg-fx.h"
|
|
/*
|
|
* Reset the I2S BIT.FORMAT I2S, 16bit, FIFO.FORMAT 32bit
|
|
*/
|
|
void i2s_reset(void)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* Initialise the WM8975 for playback via headphone and line out.
|
|
* Note, I'm using the WM8750 datasheet as its apparently close.
|
|
*/
|
|
int audiohw_init(void) {
|
|
/* reset I2C */
|
|
i2c_init();
|
|
|
|
/* GPC5 controls headphone output */
|
|
GPCCON &= ~(0x3 << 10);
|
|
GPCCON |= (1 << 10);
|
|
GPCDAT |= (1 << 5);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void audiohw_postinit(void)
|
|
{
|
|
}
|
|
|
|
void wmcodec_write(int reg, int data)
|
|
{
|
|
i2c_send(0x34, (reg<<1) | ((data&0x100)>>8), data&0xff);
|
|
}
|