Merge branch 'linus' into oprofile-v2
[linux-2.6] / sound / soc / blackfin / bf5xx-ad1980.c
1 /*
2  * File:         sound/soc/blackfin/bf5xx-ad1980.c
3  * Author:       Cliff Cai <Cliff.Cai@analog.com>
4  *
5  * Created:      Tue June 06 2008
6  * Description:  Board driver for AD1980/1 audio codec
7  *
8  * Modified:
9  *               Copyright 2008 Analog Devices Inc.
10  *
11  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
12  *
13  * This program is free software; you can redistribute it and/or modify
14  * it under the terms of the GNU General Public License as published by
15  * the Free Software Foundation; either version 2 of the License, or
16  * (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, see the file COPYING, or write
25  * to the Free Software Foundation, Inc.,
26  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
27  */
28
29 #include <linux/module.h>
30 #include <linux/moduleparam.h>
31 #include <linux/device.h>
32 #include <asm/dma.h>
33
34 #include <sound/core.h>
35 #include <sound/pcm.h>
36 #include <sound/soc.h>
37
38 #include <linux/gpio.h>
39 #include <asm/portmux.h>
40
41 #include "../codecs/ad1980.h"
42 #include "bf5xx-sport.h"
43 #include "bf5xx-ac97-pcm.h"
44 #include "bf5xx-ac97.h"
45
46 static struct snd_soc_machine bf5xx_board;
47
48 static int bf5xx_board_startup(struct snd_pcm_substream *substream)
49 {
50         struct snd_soc_pcm_runtime *rtd = substream->private_data;
51         struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
52
53         pr_debug("%s enter\n", __func__);
54         cpu_dai->private_data = sport_handle;
55         return 0;
56 }
57
58 static struct snd_soc_ops bf5xx_board_ops = {
59         .startup = bf5xx_board_startup,
60 };
61
62 static struct snd_soc_dai_link bf5xx_board_dai = {
63         .name = "AC97",
64         .stream_name = "AC97 HiFi",
65         .cpu_dai = &bfin_ac97_dai,
66         .codec_dai = &ad1980_dai,
67         .ops = &bf5xx_board_ops,
68 };
69
70 static struct snd_soc_machine bf5xx_board = {
71         .name = "bf5xx-board",
72         .dai_link = &bf5xx_board_dai,
73         .num_links = 1,
74 };
75
76 static struct snd_soc_device bf5xx_board_snd_devdata = {
77         .machine = &bf5xx_board,
78         .platform = &bf5xx_ac97_soc_platform,
79         .codec_dev = &soc_codec_dev_ad1980,
80 };
81
82 static struct platform_device *bf5xx_board_snd_device;
83
84 static int __init bf5xx_board_init(void)
85 {
86         int ret;
87
88         bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
89         if (!bf5xx_board_snd_device)
90                 return -ENOMEM;
91
92         platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board_snd_devdata);
93         bf5xx_board_snd_devdata.dev = &bf5xx_board_snd_device->dev;
94         ret = platform_device_add(bf5xx_board_snd_device);
95
96         if (ret)
97                 platform_device_put(bf5xx_board_snd_device);
98
99         return ret;
100 }
101
102 static void __exit bf5xx_board_exit(void)
103 {
104         platform_device_unregister(bf5xx_board_snd_device);
105 }
106
107 module_init(bf5xx_board_init);
108 module_exit(bf5xx_board_exit);
109
110 /* Module information */
111 MODULE_AUTHOR("Cliff Cai");
112 MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board");
113 MODULE_LICENSE("GPL");