sound/soc/sh/fsi-da7210.c

   1 /*
   2  * fsi-da7210.c
   3  *
   4  * Copyright (C) 2009 Renesas Solutions Corp.
   5  * Kuninori Morimoto <morimoto.kuninori@renesas.com>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  */
  12
  13 #include <linux/platform_device.h>
  14 #include <linux/module.h>
  15 #include <sound/sh_fsi.h>
  16
  17 static int fsi_da7210_init(struct snd_soc_pcm_runtime *rtd)
  18 {
  19         struct snd_soc_dai *codec = rtd->codec_dai;
  20         struct snd_soc_dai *cpu = rtd->cpu_dai;
  21         int ret;
  22
  23         ret = snd_soc_dai_set_fmt(codec,
  24                                    SND_SOC_DAIFMT_I2S |
  25                                    SND_SOC_DAIFMT_CBM_CFM);
  26         if (ret < 0)
  27                 return ret;
  28
  29         ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_I2S |
  30                                        SND_SOC_DAIFMT_CBS_CFS);
  31
  32         return ret;
  33 }
  34
  35 static struct snd_soc_dai_link fsi_da7210_dai = {
  36         .name           = "DA7210",
  37         .stream_name    = "DA7210",
  38         .cpu_dai_name   = "fsib-dai", /* FSI B */
  39         .codec_dai_name = "da7210-hifi",
  40         .platform_name  = "sh_fsi.0",
  41         .codec_name     = "da7210-codec.0-001a",
  42         .init           = fsi_da7210_init,
  43 };
  44
  45 static struct snd_soc_card fsi_soc_card = {
  46         .name           = "FSI-DA7210",
  47         .owner          = THIS_MODULE,
  48         .dai_link       = &fsi_da7210_dai,
  49         .num_links      = 1,
  50 };
  51
  52 static struct platform_device *fsi_da7210_snd_device;
  53
  54 static int __init fsi_da7210_sound_init(void)
  55 {
  56         int ret;
  57
  58         fsi_da7210_snd_device = platform_device_alloc("soc-audio", FSI_PORT_B);
  59         if (!fsi_da7210_snd_device)
  60                 return -ENOMEM;
  61
  62         platform_set_drvdata(fsi_da7210_snd_device, &fsi_soc_card);
  63         ret = platform_device_add(fsi_da7210_snd_device);
  64         if (ret)
  65                 platform_device_put(fsi_da7210_snd_device);
  66
  67         return ret;
  68 }
  69
  70 static void __exit fsi_da7210_sound_exit(void)
  71 {
  72         platform_device_unregister(fsi_da7210_snd_device);
  73 }
  74
  75 module_init(fsi_da7210_sound_init);
  76 module_exit(fsi_da7210_sound_exit);
  77
  78 /* Module information */
  79 MODULE_DESCRIPTION("ALSA SoC FSI DA2710");
  80 MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
  81 MODULE_LICENSE("GPL");