blob: be23fa17836388f7fb76f9b70390ac2d9d479a02 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/***************************************************************************
* __________ __ ___.
* 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.h"
#include "i2c-meg-fx.h"
int audiohw_init(void)
{
/* reset I2C */
i2c_init();
/* GPC5 controls headphone output */
GPCCON &= ~(0x3 << 10);
GPCCON |= (1 << 10);
GPCDAT |= (1 << 5);
audiohw_preinit();
return 0;
}
void wmcodec_write(int reg, int data)
{
i2c_send(0x34, (reg<<1) | ((data&0x100)>>8), data&0xff);
}
|
