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ab40d4f1 IM |
1 | /* |
2 | * e800-wm9712.c -- SoC audio for e800 | |
3 | * | |
4 | * Based on tosa.c | |
5 | * | |
6 | * Copyright 2007 (c) Ian Molton <spyro@f2s.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; version 2 ONLY. | |
11 | * | |
12 | */ | |
13 | ||
14 | #include <linux/module.h> | |
15 | #include <linux/moduleparam.h> | |
16 | #include <linux/device.h> | |
17 | ||
18 | #include <sound/core.h> | |
19 | #include <sound/pcm.h> | |
20 | #include <sound/soc.h> | |
21 | #include <sound/soc-dapm.h> | |
22 | ||
23 | #include <asm/mach-types.h> | |
24 | #include <asm/arch/pxa-regs.h> | |
25 | #include <asm/arch/hardware.h> | |
26 | #include <asm/arch/audio.h> | |
27 | ||
28 | #include "../codecs/wm9712.h" | |
29 | #include "pxa2xx-pcm.h" | |
30 | #include "pxa2xx-ac97.h" | |
31 | ||
32 | static struct snd_soc_machine e800; | |
33 | ||
34 | static struct snd_soc_dai_link e800_dai[] = { | |
35 | { | |
36 | .name = "AC97 Aux", | |
37 | .stream_name = "AC97 Aux", | |
38 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], | |
39 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], | |
40 | }, | |
41 | }; | |
42 | ||
43 | static struct snd_soc_machine e800 = { | |
44 | .name = "Toshiba e800", | |
45 | .dai_link = e800_dai, | |
46 | .num_links = ARRAY_SIZE(e800_dai), | |
47 | }; | |
48 | ||
49 | static struct snd_soc_device e800_snd_devdata = { | |
50 | .machine = &e800, | |
51 | .platform = &pxa2xx_soc_platform, | |
52 | .codec_dev = &soc_codec_dev_wm9712, | |
53 | }; | |
54 | ||
55 | static struct platform_device *e800_snd_device; | |
56 | ||
57 | static int __init e800_init(void) | |
58 | { | |
59 | int ret; | |
60 | ||
61 | if (!machine_is_e800()) | |
62 | return -ENODEV; | |
63 | ||
64 | e800_snd_device = platform_device_alloc("soc-audio", -1); | |
65 | if (!e800_snd_device) | |
66 | return -ENOMEM; | |
67 | ||
68 | platform_set_drvdata(e800_snd_device, &e800_snd_devdata); | |
69 | e800_snd_devdata.dev = &e800_snd_device->dev; | |
70 | ret = platform_device_add(e800_snd_device); | |
71 | ||
72 | if (ret) | |
73 | platform_device_put(e800_snd_device); | |
74 | ||
75 | return ret; | |
76 | } | |
77 | ||
78 | static void __exit e800_exit(void) | |
79 | { | |
80 | platform_device_unregister(e800_snd_device); | |
81 | } | |
82 | ||
83 | module_init(e800_init); | |
84 | module_exit(e800_exit); | |
85 | ||
86 | /* Module information */ | |
87 | MODULE_AUTHOR("Ian Molton <spyro@f2s.com>"); | |
88 | MODULE_DESCRIPTION("ALSA SoC driver for e800"); | |
89 | MODULE_LICENSE("GPL"); |