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Merge branch 'nohz/printk-v8' into irq/core
[karo-tx-linux.git] / 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 /*
30  * WARNING:
31  *
32  * Because Analog Devices Inc. discontinued the ad1980 sound chip since
33  * Sep. 2009, this ad1980 driver is not maintained, tested and supported
34  * by ADI now.
35  */
36
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/device.h>
40 #include <asm/dma.h>
41
42 #include <sound/core.h>
43 #include <sound/pcm.h>
44 #include <sound/soc.h>
45
46 #include <linux/gpio.h>
47 #include <asm/portmux.h>
48
49 #include "../codecs/ad1980.h"
50
51 #include "bf5xx-ac97-pcm.h"
52 #include "bf5xx-ac97.h"
53
54 static struct snd_soc_card bf5xx_board;
55
56 static struct snd_soc_dai_link bf5xx_board_dai[] = {
57         {
58                 .name = "AC97",
59                 .stream_name = "AC97 HiFi",
60                 .cpu_dai_name = "bfin-ac97.0",
61                 .codec_dai_name = "ad1980-hifi",
62                 .platform_name = "bfin-ac97-pcm-audio",
63                 .codec_name = "ad1980",
64         },
65         {
66                 .name = "AC97",
67                 .stream_name = "AC97 HiFi",
68                 .cpu_dai_name = "bfin-ac97.1",
69                 .codec_dai_name = "ad1980-hifi",
70                 .platform_name = "bfin-ac97-pcm-audio",
71                 .codec_name = "ad1980",
72         },
73 };
74
75 static struct snd_soc_card bf5xx_board = {
76         .name = "bfin-ad1980",
77         .owner = THIS_MODULE,
78         .dai_link = &bf5xx_board_dai[CONFIG_SND_BF5XX_SPORT_NUM],
79         .num_links = 1,
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);
93         ret = platform_device_add(bf5xx_board_snd_device);
94
95         if (ret)
96                 platform_device_put(bf5xx_board_snd_device);
97
98         return ret;
99 }
100
101 static void __exit bf5xx_board_exit(void)
102 {
103         platform_device_unregister(bf5xx_board_snd_device);
104 }
105
106 module_init(bf5xx_board_init);
107 module_exit(bf5xx_board_exit);
108
109 /* Module information */
110 MODULE_AUTHOR("Cliff Cai");
111 MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)");
112 MODULE_LICENSE("GPL");