LXR linux/sound/soc/s3c24xx/smdk

   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 */
  29
  30/*
  31 Playback (HeadPhone):-
  32        $ amixer sset 'Headphone' unmute
  33        $ amixer sset 'Right Headphone Out Mux' 'Headphone'
  34        $ amixer sset 'Left Headphone Out Mux' 'Headphone'
  35        $ amixer sset 'Right HP Mixer PCM' unmute
  36        $ amixer sset 'Left HP Mixer PCM' unmute
  37
  38 Capture (LineIn):-
  39        $ amixer sset 'Right Capture Source' 'Line'
  40        $ amixer sset 'Left Capture Source' 'Line'
  41*/
  42
  43static struct snd_soc_dai_link smdk_dai = {
  44        .name = "AC97",
  45        .stream_name = "AC97 PCM",
  46        .cpu_dai = &s3c_ac97_dai[S3C_AC97_DAI_PCM],
  47        .codec_dai = &wm9713_dai[WM9713_DAI_AC97_HIFI],
  48};
  49
  50static struct snd_soc_card smdk = {
  51        .name = "SMDK",
  52        .platform = &s3c24xx_soc_platform,
  53        .dai_link = &smdk_dai,
  54        .num_links = 1,
  55};
  56
  57static struct snd_soc_device smdk_snd_ac97_devdata = {
  58        .card = &smdk,
  59        .codec_dev = &soc_codec_dev_wm9713,
  60};
  61
  62static struct platform_device *smdk_snd_ac97_device;
  63
  64static int __init smdk_init(void)
  65{
  66        int ret;
  67
  68        smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1);
  69        if (!smdk_snd_ac97_device)
  70                return -ENOMEM;
  71
  72        platform_set_drvdata(smdk_snd_ac97_device,
  73                             &smdk_snd_ac97_devdata);
  74        smdk_snd_ac97_devdata.dev = &smdk_snd_ac97_device->dev;
  75
  76        ret = platform_device_add(smdk_snd_ac97_device);
  77        if (ret)
  78                platform_device_put(smdk_snd_ac97_device);
  79
  80        return ret;
  81}
  82
  83static void __exit smdk_exit(void)
  84{
  85        platform_device_unregister(smdk_snd_ac97_device);
  86}
  87
  88module_init(smdk_init);
  89module_exit(smdk_exit);
  90
  91/* Module information */
  92MODULE_AUTHOR("Jaswinder Singh Brar, jassi.brar@samsung.com");
  93MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713");
  94MODULE_LICENSE("GPL");
  95