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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* File: sound/soc/blackfin/bf5xx-ad1980.c
* Author: Cliff Cai <Cliff.Cai@analog.com>
*
* Created: Tue June 06 2008
* Description: Board driver for AD1980/1 audio codec
*
* Modified:
* Copyright 2008 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see the file COPYING, or write
* to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* WARNING:
*
* Because Analog Devices Inc. discontinued the ad1980 sound chip since
* Sep. 2009, this ad1980 driver is not maintained, tested and supported
* by ADI now.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <linux/gpio.h>
#include <asm/portmux.h>
#include "../codecs/ad1980.h"
#include "bf5xx-sport.h"
#include "bf5xx-ac97-pcm.h"
#include "bf5xx-ac97.h"
static struct snd_soc_card bf5xx_board;
static int bf5xx_board_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
pr_debug("%s enter\n", __func__);
snd_soc_dai_set_drvdata(cpu_dai, sport_handle);
return 0;
}
static struct snd_soc_ops bf5xx_board_ops = {
.startup = bf5xx_board_startup,
};
static struct snd_soc_dai_link bf5xx_board_dai = {
.name = "AC97",
.stream_name = "AC97 HiFi",
.cpu_dai_name = "bfin-ac97",
.codec_dai_name = "ad1980-hifi",
.platform_name = "bfin-pcm-audio",
.codec_name = "ad1980-codec",
.ops = &bf5xx_board_ops,
};
static struct snd_soc_card bf5xx_board = {
.name = "bf5xx-board",
.dai_link = &bf5xx_board_dai,
.num_links = 1,
};
static struct platform_device *bf5xx_board_snd_device;
static int __init bf5xx_board_init(void)
{
int ret;
bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
if (!bf5xx_board_snd_device)
return -ENOMEM;
platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board);
ret = platform_device_add(bf5xx_board_snd_device);
if (ret)
platform_device_put(bf5xx_board_snd_device);
return ret;
}
static void __exit bf5xx_board_exit(void)
{
platform_device_unregister(bf5xx_board_snd_device);
}
module_init(bf5xx_board_init);
module_exit(bf5xx_board_exit);
/* Module information */
MODULE_AUTHOR("Cliff Cai");
MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)");
MODULE_LICENSE("GPL");
|
