1/* 2 * smdk_wm9713.c -- SoC audio for SMDK 3 * 4 * Copyright 2010 Samsung Electronics Co. Ltd. 5 * Author: Jaswinder Singh Brar <jassi.brar@samsung.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 <linux/device.h> 16#include <sound/soc.h> 17 18#include "../codecs/wm9713.h" 19#include "s3c-dma.h" 20#include "s3c-ac97.h" 21 22static struct snd_soc_card smdk; 23 24/* 25 * Default CFG switch settings to use this driver: 26 * 27 * SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off 28 * SMDKC100: Set CFG6 1-3 On, CFG7 1 On 29 * SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On 30 * SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On 31 */ 32 33/* 34 Playback (HeadPhone):- 35 $ amixer sset 'Headphone' unmute 36 $ amixer sset 'Right Headphone Out Mux' 'Headphone' 37 $ amixer sset 'Left Headphone Out Mux' 'Headphone' 38 $ amixer sset 'Right HP Mixer PCM' unmute 39 $ amixer sset 'Left HP Mixer PCM' unmute 40 41 Capture (LineIn):- 42 $ amixer sset 'Right Capture Source' 'Line' 43 $ amixer sset 'Left Capture Source' 'Line' 44*/ 45 46static struct snd_soc_dai_link smdk_dai = { 47 .name = "AC97", 48 .stream_name = "AC97 PCM", 49 .cpu_dai = &s3c_ac97_dai[S3C_AC97_DAI_PCM], 50 .codec_dai = &wm9713_dai[WM9713_DAI_AC97_HIFI], 51}; 52 53static struct snd_soc_card smdk = { 54 .name = "SMDK", 55 .platform = &s3c24xx_soc_platform, 56 .dai_link = &smdk_dai, 57 .num_links = 1, 58}; 59 60static struct snd_soc_device smdk_snd_ac97_devdata = { 61 .card = &smdk, 62 .codec_dev = &soc_codec_dev_wm9713, 63}; 64 65static struct platform_device *smdk_snd_ac97_device; 66 67static int __init smdk_init(void) 68{ 69 int ret; 70 71 smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1); 72 if (!smdk_snd_ac97_device) 73 return -ENOMEM; 74 75 platform_set_drvdata(smdk_snd_ac97_device, 76 &smdk_snd_ac97_devdata); 77 smdk_snd_ac97_devdata.dev = &smdk_snd_ac97_device->dev; 78 79 ret = platform_device_add(smdk_snd_ac97_device); 80 if (ret) 81 platform_device_put(smdk_snd_ac97_device); 82 83 return ret; 84} 85 86static void __exit smdk_exit(void) 87{ 88 platform_device_unregister(smdk_snd_ac97_device); 89} 90 91module_init(smdk_init); 92module_exit(smdk_exit); 93 94/* Module information */ 95MODULE_AUTHOR("Jaswinder Singh Brar, jassi.brar@samsung.com"); 96MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713"); 97MODULE_LICENSE("GPL"); 98