git://bbs.cooldavid.org / net-next-2.6.git / blame
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|---|---|---|
| 142054a3 MR |
1 | /* |
| 2 | * em-x270.c -- SoC audio for EM-X270 | |
| 3 | * | |
| 4 | * Copyright 2007 CompuLab, Ltd. | |
| 5 | * | |
| 6 | * Author: Mike Rapoport <mike@compulab.co.il> | |
| 7 | * | |
| 8 | * Copied from tosa.c: | |
| 9 | * Copyright 2005 Wolfson Microelectronics PLC. | |
| 10 | * Copyright 2005 Openedhand Ltd. | |
| 11 | * | |
| d331124d | 12 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> |
| 142054a3 MR |
13 | * Richard Purdie <richard@openedhand.com> |
| 14 | * | |
| 15 | * This program is free software; you can redistribute it and/or modify it | |
| 16 | * under the terms of the GNU General Public License as published by the | |
| 17 | * Free Software Foundation; either version 2 of the License, or (at your | |
| 18 | * option) any later version. | |
| 19 | * | |
| 20 | */ | |
| 21 | ||
| 22 | #include <linux/module.h> | |
| 23 | #include <linux/moduleparam.h> | |
| 24 | #include <linux/device.h> | |
| 25 | ||
| 142054a3 MR |
26 | #include <sound/core.h> |
| 27 | #include <sound/pcm.h> | |
| 28 | #include <sound/soc.h> | |
| 29 | #include <sound/soc-dapm.h> | |
| 30 | ||
| 31 | #include <asm/mach-types.h> | |
| a09e64fb | 32 | #include <mach/audio.h> |
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33 | |
| 34 | #include "../codecs/wm9712.h" | |
| 35 | #include "pxa2xx-pcm.h" | |
| 36 | #include "pxa2xx-ac97.h" | |
| 37 | ||
| 38 | static struct snd_soc_dai_link em_x270_dai[] = { | |
| 39 | { | |
| 40 | .name = "AC97", | |
| 41 | .stream_name = "AC97 HiFi", | |
| 42 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI], | |
| 43 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], | |
| 44 | }, | |
| 45 | { | |
| 46 | .name = "AC97 Aux", | |
| 47 | .stream_name = "AC97 Aux", | |
| 48 | .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX], | |
| 49 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX], | |
| 50 | }, | |
| 51 | }; | |
| 52 | ||
| 87506549 | 53 | static struct snd_soc_card em_x270 = { |
| 142054a3 | 54 | .name = "EM-X270", |
| 87689d56 | 55 | .platform = &pxa2xx_soc_platform, |
| 142054a3 MR |
56 | .dai_link = em_x270_dai, |
| 57 | .num_links = ARRAY_SIZE(em_x270_dai), | |
| 58 | }; | |
| 59 | ||
| 60 | static struct snd_soc_device em_x270_snd_devdata = { | |
| 87506549 | 61 | .card = &em_x270, |
| 142054a3 MR |
62 | .codec_dev = &soc_codec_dev_wm9712, |
| 63 | }; | |
| 64 | ||
| 65 | static struct platform_device *em_x270_snd_device; | |
| 66 | ||
| 67 | static int __init em_x270_init(void) | |
| 68 | { | |
| 69 | int ret; | |
| 70 | ||
| 71 | if (!machine_is_em_x270()) | |
| 72 | return -ENODEV; | |
| 73 | ||
| 74 | em_x270_snd_device = platform_device_alloc("soc-audio", -1); | |
| 75 | if (!em_x270_snd_device) | |
| 76 | return -ENOMEM; | |
| 77 | ||
| 78 | platform_set_drvdata(em_x270_snd_device, &em_x270_snd_devdata); | |
| 79 | em_x270_snd_devdata.dev = &em_x270_snd_device->dev; | |
| 80 | ret = platform_device_add(em_x270_snd_device); | |
| 81 | ||
| 82 | if (ret) | |
| 83 | platform_device_put(em_x270_snd_device); | |
| 84 | ||
| 85 | return ret; | |
| 86 | } | |
| 87 | ||
| 88 | static void __exit em_x270_exit(void) | |
| 89 | { | |
| 90 | platform_device_unregister(em_x270_snd_device); | |
| 91 | } | |
| 92 | ||
| 93 | module_init(em_x270_init); | |
| 94 | module_exit(em_x270_exit); | |
| 95 | ||
| 96 | /* Module information */ | |
| 97 | MODULE_AUTHOR("Mike Rapoport"); | |
| 98 | MODULE_DESCRIPTION("ALSA SoC EM-X270"); | |
| 99 | MODULE_LICENSE("GPL"); |