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Diffstat (limited to 'firmware/target/coldfire/iriver/udacodec-iriver.c')
-rw-r--r--firmware/target/coldfire/iriver/udacodec-iriver.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iriver/udacodec-iriver.c b/firmware/target/coldfire/iriver/udacodec-iriver.c
new file mode 100644
index 0000000000..6c41964ffa
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+++ b/firmware/target/coldfire/iriver/udacodec-iriver.c
@@ -0,0 +1,76 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2009 by Bertrik Sikken
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22#include "config.h"
23#include "kernel.h"
24#include "i2c-coldfire.h"
25#include "pcf50606.h"
26#include "uda1380.h"
27#include "udacodec.h"
28
29void udacodec_reset(void)
30{
31#ifdef IRIVER_H300_SERIES
32 int mask = disable_irq_save();
33 pcf50606_write(0x3b, 0x00); /* GPOOD2 high Z */
34 pcf50606_write(0x3b, 0x07); /* GPOOD2 low */
35 restore_irq(mask);
36#else
37 /* RESET signal */
38 or_l(1<<29, &GPIO_OUT);
39 or_l(1<<29, &GPIO_ENABLE);
40 or_l(1<<29, &GPIO_FUNCTION);
41 sleep(HZ/100);
42 and_l(~(1<<29), &GPIO_OUT);
43#endif
44}
45
46int udacodec_write(unsigned char reg, unsigned short value)
47{
48 unsigned char data[3];
49
50 data[0] = reg;
51 data[1] = value >> 8;
52 data[2] = value & 0xff;
53
54 if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 3) != 3) {
55 return -1;
56 }
57 return 0;
58}
59
60int udacodec_write2(unsigned char reg,
61 unsigned short value1, unsigned short value2)
62{
63 unsigned char data[5];
64
65 data[0] = reg;
66 data[1] = value1 >> 8;
67 data[2] = value1 & 0xFF;
68 data[3] = value2 >> 8;
69 data[4] = value2 & 0xFF;
70
71 if (i2c_write(I2C_IFACE_0, UDA1380_ADDR, data, 5) != 5) {
72 return -1;
73 }
74 return 0;
75}
76