Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / 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 "bf5xx-ac97.h"
50
51 static struct snd_soc_card bf5xx_board;
52
53 static struct snd_soc_dai_link bf5xx_board_dai[] = {
54         {
55                 .name = "AC97",
56                 .stream_name = "AC97 HiFi",
57                 .cpu_dai_name = "bfin-ac97.0",
58                 .codec_dai_name = "ad1980-hifi",
59                 .platform_name = "bfin-ac97-pcm-audio",
60                 .codec_name = "ad1980",
61         },
62         {
63                 .name = "AC97",
64                 .stream_name = "AC97 HiFi",
65                 .cpu_dai_name = "bfin-ac97.1",
66                 .codec_dai_name = "ad1980-hifi",
67                 .platform_name = "bfin-ac97-pcm-audio",
68                 .codec_name = "ad1980",
69         },
70 };
71
72 static struct snd_soc_card bf5xx_board = {
73         .name = "bfin-ad1980",
74         .owner = THIS_MODULE,
75         .dai_link = &bf5xx_board_dai[CONFIG_SND_BF5XX_SPORT_NUM],
76         .num_links = 1,
77 };
78
79 static struct platform_device *bf5xx_board_snd_device;
80
81 static int __init bf5xx_board_init(void)
82 {
83         int ret;
84
85         bf5xx_board_snd_device = platform_device_alloc("soc-audio", -1);
86         if (!bf5xx_board_snd_device)
87                 return -ENOMEM;
88
89         platform_set_drvdata(bf5xx_board_snd_device, &bf5xx_board);
90         ret = platform_device_add(bf5xx_board_snd_device);
91
92         if (ret)
93                 platform_device_put(bf5xx_board_snd_device);
94
95         return ret;
96 }
97
98 static void __exit bf5xx_board_exit(void)
99 {
100         platform_device_unregister(bf5xx_board_snd_device);
101 }
102
103 module_init(bf5xx_board_init);
104 module_exit(bf5xx_board_exit);
105
106 /* Module information */
107 MODULE_AUTHOR("Cliff Cai");
108 MODULE_DESCRIPTION("ALSA SoC AD1980/1 BF5xx board (Obsolete)");
109 MODULE_LICENSE("GPL");