ASoC: ep93xx: add Simplemachines Sim.One AC97 audio support
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / sound / soc / ep93xx / simone.c
CommitLineData
d42a280d
MW
1/*
2 * simone.c -- ASoC audio for Simplemachines Sim.One board
3 *
4 * Copyright (c) 2010 Mika Westerberg
5 *
6 * Based on snappercl15 machine driver by Ryan Mallon.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/init.h>
14#include <linux/module.h>
15#include <linux/platform_device.h>
16
17#include <sound/core.h>
18#include <sound/pcm.h>
19#include <sound/soc.h>
20
21#include <asm/mach-types.h>
22#include <mach/hardware.h>
23
24#include "ep93xx-pcm.h"
25
26static struct snd_soc_dai_link simone_dai = {
27 .name = "AC97",
28 .stream_name = "AC97 HiFi",
29 .cpu_dai_name = "ep93xx-ac97",
30 .codec_dai_name = "ac97-hifi",
31 .codec_name = "ac97-codec",
32 .platform_name = "ep93xx-pcm-audio",
33};
34
35static struct snd_soc_card snd_soc_simone = {
36 .name = "Sim.One",
37 .dai_link = &simone_dai,
38 .num_links = 1,
39};
40
41static struct platform_device *simone_snd_ac97_device;
42static struct platform_device *simone_snd_device;
43
44static int __init simone_init(void)
45{
46 int ret;
47
48 if (!machine_is_sim_one())
49 return -ENODEV;
50
51 simone_snd_ac97_device = platform_device_alloc("ac97-codec", -1);
52 if (!simone_snd_ac97_device)
53 return -ENOMEM;
54
55 ret = platform_device_add(simone_snd_ac97_device);
56 if (ret)
57 goto fail;
58
59 simone_snd_device = platform_device_alloc("soc-audio", -1);
60 if (!simone_snd_device) {
61 ret = -ENOMEM;
62 goto fail;
63 }
64
65 platform_set_drvdata(simone_snd_device, &snd_soc_simone);
66 ret = platform_device_add(simone_snd_device);
67 if (ret) {
68 platform_device_put(simone_snd_device);
69 goto fail;
70 }
71
72 return ret;
73
74fail:
75 platform_device_put(simone_snd_ac97_device);
76 return ret;
77}
78module_init(simone_init);
79
80static void __exit simone_exit(void)
81{
82 platform_device_unregister(simone_snd_device);
83 platform_device_unregister(simone_snd_ac97_device);
84}
85module_exit(simone_exit);
86
87MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
88MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
89MODULE_LICENSE("GPL");