blob: 286817946c5674c6a4536d4afda7507316e99883 [file] [log] [blame]
Mika Westerbergd42a2802010-10-14 17:49:08 +03001/*
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)
Axel Lin14abca32010-11-25 15:12:30 +080057 goto fail1;
Mika Westerbergd42a2802010-10-14 17:49:08 +030058
59 simone_snd_device = platform_device_alloc("soc-audio", -1);
60 if (!simone_snd_device) {
61 ret = -ENOMEM;
Axel Lin14abca32010-11-25 15:12:30 +080062 goto fail2;
Mika Westerbergd42a2802010-10-14 17:49:08 +030063 }
64
65 platform_set_drvdata(simone_snd_device, &snd_soc_simone);
66 ret = platform_device_add(simone_snd_device);
Axel Lin14abca32010-11-25 15:12:30 +080067 if (ret)
68 goto fail3;
Mika Westerbergd42a2802010-10-14 17:49:08 +030069
Axel Lin14abca32010-11-25 15:12:30 +080070 return 0;
Mika Westerbergd42a2802010-10-14 17:49:08 +030071
Axel Lin14abca32010-11-25 15:12:30 +080072fail3:
73 platform_device_put(simone_snd_device);
74fail2:
75 platform_device_del(simone_snd_ac97_device);
76fail1:
Mika Westerbergd42a2802010-10-14 17:49:08 +030077 platform_device_put(simone_snd_ac97_device);
78 return ret;
79}
80module_init(simone_init);
81
82static void __exit simone_exit(void)
83{
84 platform_device_unregister(simone_snd_device);
85 platform_device_unregister(simone_snd_ac97_device);
86}
87module_exit(simone_exit);
88
89MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One");
90MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
91MODULE_LICENSE("GPL");