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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 | ||
26 | static 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 | ||
35 | static struct snd_soc_card snd_soc_simone = { | |
36 | .name = "Sim.One", | |
37 | .dai_link = &simone_dai, | |
38 | .num_links = 1, | |
39 | }; | |
40 | ||
41 | static struct platform_device *simone_snd_ac97_device; | |
42 | static struct platform_device *simone_snd_device; | |
43 | ||
44 | static 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) | |
14abca3d | 57 | goto fail1; |
d42a280d MW |
58 | |
59 | simone_snd_device = platform_device_alloc("soc-audio", -1); | |
60 | if (!simone_snd_device) { | |
61 | ret = -ENOMEM; | |
14abca3d | 62 | goto fail2; |
d42a280d MW |
63 | } |
64 | ||
65 | platform_set_drvdata(simone_snd_device, &snd_soc_simone); | |
66 | ret = platform_device_add(simone_snd_device); | |
14abca3d AL |
67 | if (ret) |
68 | goto fail3; | |
d42a280d | 69 | |
14abca3d | 70 | return 0; |
d42a280d | 71 | |
14abca3d AL |
72 | fail3: |
73 | platform_device_put(simone_snd_device); | |
74 | fail2: | |
75 | platform_device_del(simone_snd_ac97_device); | |
76 | fail1: | |
d42a280d MW |
77 | platform_device_put(simone_snd_ac97_device); |
78 | return ret; | |
79 | } | |
80 | module_init(simone_init); | |
81 | ||
82 | static void __exit simone_exit(void) | |
83 | { | |
84 | platform_device_unregister(simone_snd_device); | |
85 | platform_device_unregister(simone_snd_ac97_device); | |
86 | } | |
87 | module_exit(simone_exit); | |
88 | ||
89 | MODULE_DESCRIPTION("ALSA SoC Simplemachines Sim.One"); | |
90 | MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>"); | |
91 | MODULE_LICENSE("GPL"); |