| | 1 | /* |
| | 2 | * smdk_wm9713.c -- SoC audio for SMDK |
| | 3 | * |
| | 4 | * Copyright 2010 Samsung Electronics Co. Ltd. |
| | 5 | * Author: Jaswinder Singh Brar <jassisinghbrar@gmail.com> |
| | 6 | * |
| | 7 | * This program is free software; you can redistribute it and/or |
| | 8 | * modify it under the terms of the GNU General Public License as |
| | 9 | * published by the Free Software Foundation; either version 2 of the |
| | 10 | * License, or (at your option) any later version. |
| | 11 | * |
| | 12 | */ |
| | 13 | |
| | 14 | #include <linux/module.h> |
| | 15 | #include <sound/soc.h> |
| | 16 | |
| | 17 | static struct snd_soc_card smdk; |
| | 18 | |
| | 19 | /* |
| | 20 | * Default CFG switch settings to use this driver: |
| | 21 | * |
| | 22 | * SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off |
| | 23 | * SMDKC100: Set CFG6 1-3 On, CFG7 1 On |
| | 24 | * SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On |
| | 25 | * SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On |
| | 26 | * SMDKV310: Set CFG2 1-2 Off, CFG4 All On, CFG7 All Off, CFG8 1-On |
| | 27 | */ |
| | 28 | |
| | 29 | /* |
| | 30 | Playback (HeadPhone):- |
| | 31 | $ amixer sset 'Headphone' unmute |
| | 32 | $ amixer sset 'Right Headphone Out Mux' 'Headphone' |
| | 33 | $ amixer sset 'Left Headphone Out Mux' 'Headphone' |
| | 34 | $ amixer sset 'Right HP Mixer PCM' unmute |
| | 35 | $ amixer sset 'Left HP Mixer PCM' unmute |
| | 36 | |
| | 37 | Capture (LineIn):- |
| | 38 | $ amixer sset 'Right Capture Source' 'Line' |
| | 39 | $ amixer sset 'Left Capture Source' 'Line' |
| | 40 | */ |
| | 41 | |
| | 42 | static struct snd_soc_dai_link smdk_dai = { |
| | 43 | .name = "AC97", |
| | 44 | .stream_name = "AC97 PCM", |
| | 45 | .platform_name = "samsung-ac97", |
| | 46 | .cpu_dai_name = "samsung-ac97", |
| | 47 | .codec_dai_name = "wm9713-hifi", |
| | 48 | .codec_name = "wm9713-codec", |
| | 49 | }; |
| | 50 | |
| | 51 | static struct snd_soc_card smdk = { |
| | 52 | .name = "SMDK WM9713", |
| | 53 | .owner = THIS_MODULE, |
| | 54 | .dai_link = &smdk_dai, |
| | 55 | .num_links = 1, |
| | 56 | }; |
| | 57 | |
| | 58 | static struct platform_device *smdk_snd_wm9713_device; |
| | 59 | static struct platform_device *smdk_snd_ac97_device; |
| | 60 | |
| | 61 | static int __init smdk_init(void) |
| | 62 | { |
| | 63 | int ret; |
| | 64 | |
| | 65 | smdk_snd_wm9713_device = platform_device_alloc("wm9713-codec", -1); |
| | 66 | if (!smdk_snd_wm9713_device) |
| | 67 | return -ENOMEM; |
| | 68 | |
| | 69 | ret = platform_device_add(smdk_snd_wm9713_device); |
| | 70 | if (ret) |
| | 71 | goto err1; |
| | 72 | |
| | 73 | smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1); |
| | 74 | if (!smdk_snd_ac97_device) { |
| | 75 | ret = -ENOMEM; |
| | 76 | goto err2; |
| | 77 | } |
| | 78 | |
| | 79 | platform_set_drvdata(smdk_snd_ac97_device, &smdk); |
| | 80 | |
| | 81 | ret = platform_device_add(smdk_snd_ac97_device); |
| | 82 | if (ret) |
| | 83 | goto err3; |
| | 84 | |
| | 85 | return 0; |
| | 86 | |
| | 87 | err3: |
| | 88 | platform_device_put(smdk_snd_ac97_device); |
| | 89 | err2: |
| | 90 | platform_device_del(smdk_snd_wm9713_device); |
| | 91 | err1: |
| | 92 | platform_device_put(smdk_snd_wm9713_device); |
| | 93 | return ret; |
| | 94 | } |
| | 95 | |
| | 96 | static void __exit smdk_exit(void) |
| | 97 | { |
| | 98 | platform_device_unregister(smdk_snd_ac97_device); |
| | 99 | platform_device_unregister(smdk_snd_wm9713_device); |
| | 100 | } |
| | 101 | |
| | 102 | module_init(smdk_init); |
| | 103 | module_exit(smdk_exit); |
| | 104 | |
| | 105 | /* Module information */ |
| | 106 | MODULE_AUTHOR("Jaswinder Singh Brar, jassisinghbrar@gmail.com"); |
| | 107 | MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713"); |
| | 108 | MODULE_LICENSE("GPL"); |
projects / linux-2.6-block.git / blame_incremental