release/src-rt-6.x.4708/linux/linux-2.6.36/sound/soc/s3c24xx/smdk2443_wm9710.c

   1 /*
   2  * smdk2443_wm9710.c  --  SoC audio for smdk2443
   3  *
   4  * Copyright 2007 Wolfson Microelectronics PLC.
   5  * Author: Graeme Gregory
   6  *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.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;  either version 2 of the  License, or (at your
  11  *  option) any later version.
  12  *
  13  */
  14
  15 #include <linux/module.h>
  16 #include <linux/device.h>
  17 #include <sound/core.h>
  18 #include <sound/pcm.h>
  19 #include <sound/soc.h>
  20 #include <sound/soc-dapm.h>
  21
  22 #include "../codecs/ac97.h"
  23 #include "s3c-dma.h"
  24 #include "s3c-ac97.h"
  25
  26 static struct snd_soc_card smdk2443;
  27
  28 static struct snd_soc_dai_link smdk2443_dai[] = {
  29 {
  30         .name = "AC97",
  31         .stream_name = "AC97 HiFi",
  32         .cpu_dai = &s3c_ac97_dai[S3C_AC97_DAI_PCM],
  33         .codec_dai = &ac97_dai,
  34 },
  35 };
  36
  37 static struct snd_soc_card smdk2443 = {
  38         .name = "SMDK2443",
  39         .platform = &s3c24xx_soc_platform,
  40         .dai_link = smdk2443_dai,
  41         .num_links = ARRAY_SIZE(smdk2443_dai),
  42 };
  43
  44 static struct snd_soc_device smdk2443_snd_ac97_devdata = {
  45         .card = &smdk2443,
  46         .codec_dev = &soc_codec_dev_ac97,
  47 };
  48
  49 static struct platform_device *smdk2443_snd_ac97_device;
  50
  51 static int __init smdk2443_init(void)
  52 {
  53         int ret;
  54
  55         smdk2443_snd_ac97_device = platform_device_alloc("soc-audio", -1);
  56         if (!smdk2443_snd_ac97_device)
  57                 return -ENOMEM;
  58
  59         platform_set_drvdata(smdk2443_snd_ac97_device,
  60                                 &smdk2443_snd_ac97_devdata);
  61         smdk2443_snd_ac97_devdata.dev = &smdk2443_snd_ac97_device->dev;
  62         ret = platform_device_add(smdk2443_snd_ac97_device);
  63
  64         if (ret)
  65                 platform_device_put(smdk2443_snd_ac97_device);
  66
  67         return ret;
  68 }
  69
  70 static void __exit smdk2443_exit(void)
  71 {
  72         platform_device_unregister(smdk2443_snd_ac97_device);
  73 }
  74
  75 module_init(smdk2443_init);
  76 module_exit(smdk2443_exit);
  77
  78 /* Module information */
  79 MODULE_AUTHOR("Graeme Gregory, graeme.gregory@wolfsonmicro.com, www.wolfsonmicro.com");
  80 MODULE_DESCRIPTION("ALSA SoC WM9710 SMDK2443");
  81 MODULE_LICENSE("GPL");