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1 | /* |
2 | * phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode | |
3 | * | |
4 | * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2 of the License, or (at your | |
9 | * option) any later version. | |
10 | * | |
11 | */ | |
12 | ||
13 | #include <linux/module.h> | |
14 | #include <linux/moduleparam.h> | |
15 | #include <linux/device.h> | |
16 | #include <linux/i2c.h> | |
17 | #include <sound/core.h> | |
18 | #include <sound/pcm.h> | |
19 | #include <sound/soc.h> | |
22313eaf MB |
20 | #include <asm/mach-types.h> |
21 | ||
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22 | static struct snd_soc_card imx_phycore; |
23 | ||
24 | static struct snd_soc_ops imx_phycore_hifi_ops = { | |
25 | }; | |
26 | ||
27 | static struct snd_soc_dai_link imx_phycore_dai_ac97[] = { | |
28 | { | |
29 | .name = "HiFi", | |
30 | .stream_name = "HiFi", | |
f0fba2ad LG |
31 | .codec_dai_name = "wm9712-hifi", |
32 | .codec_name = "wm9712-codec", | |
205d231b | 33 | .cpu_dai_name = "imx-ssi.0", |
f0fba2ad | 34 | .platform_name = "imx-fiq-pcm-audio.0", |
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35 | .ops = &imx_phycore_hifi_ops, |
36 | }, | |
37 | }; | |
38 | ||
39 | static struct snd_soc_card imx_phycore = { | |
6424dca2 | 40 | .name = "PhyCORE-ac97-audio", |
22313eaf MB |
41 | .dai_link = imx_phycore_dai_ac97, |
42 | .num_links = ARRAY_SIZE(imx_phycore_dai_ac97), | |
43 | }; | |
44 | ||
09de9533 | 45 | static struct platform_device *imx_phycore_snd_ac97_device; |
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46 | static struct platform_device *imx_phycore_snd_device; |
47 | ||
48 | static int __init imx_phycore_init(void) | |
49 | { | |
50 | int ret; | |
51 | ||
52 | if (!machine_is_pcm043() && !machine_is_pca100()) | |
53 | /* return happy. We might run on a totally different machine */ | |
54 | return 0; | |
55 | ||
09de9533 AL |
56 | imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1); |
57 | if (!imx_phycore_snd_ac97_device) | |
22313eaf MB |
58 | return -ENOMEM; |
59 | ||
09de9533 AL |
60 | platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore); |
61 | ret = platform_device_add(imx_phycore_snd_ac97_device); | |
62 | if (ret) | |
63 | goto fail1; | |
22313eaf | 64 | |
f0fba2ad | 65 | imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1); |
09de9533 AL |
66 | if (!imx_phycore_snd_device) { |
67 | ret = -ENOMEM; | |
68 | goto fail2; | |
69 | } | |
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70 | ret = platform_device_add(imx_phycore_snd_device); |
71 | ||
72 | if (ret) { | |
73 | printk(KERN_ERR "ASoC: Platform device allocation failed\n"); | |
09de9533 | 74 | goto fail3; |
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75 | } |
76 | ||
09de9533 AL |
77 | return 0; |
78 | ||
79 | fail3: | |
80 | platform_device_put(imx_phycore_snd_device); | |
81 | fail2: | |
82 | platform_device_del(imx_phycore_snd_ac97_device); | |
83 | fail1: | |
84 | platform_device_put(imx_phycore_snd_ac97_device); | |
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85 | return ret; |
86 | } | |
87 | ||
88 | static void __exit imx_phycore_exit(void) | |
89 | { | |
90 | platform_device_unregister(imx_phycore_snd_device); | |
09de9533 | 91 | platform_device_unregister(imx_phycore_snd_ac97_device); |
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92 | } |
93 | ||
94 | late_initcall(imx_phycore_init); | |
95 | module_exit(imx_phycore_exit); | |
96 | ||
97 | MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); | |
98 | MODULE_DESCRIPTION("PhyCORE ALSA SoC driver"); | |
99 | MODULE_LICENSE("GPL"); |