LXR linux/sound/soc/samsung/s3c24xx_simtec

   1/* sound/soc/samsung/s3c24xx_simtec_hermes.c
   2 *
   3 * Copyright 2009 Simtec Electronics
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License version 2 as
   7 * published by the Free Software Foundation.
   8*/
   9
  10#include <linux/module.h>
  11#include <sound/soc.h>
  12
  13#include "s3c24xx_simtec.h"
  14
  15static const struct snd_soc_dapm_widget dapm_widgets[] = {
  16        SND_SOC_DAPM_LINE("GSM Out", NULL),
  17        SND_SOC_DAPM_LINE("GSM In", NULL),
  18        SND_SOC_DAPM_LINE("Line In", NULL),
  19        SND_SOC_DAPM_LINE("Line Out", NULL),
  20        SND_SOC_DAPM_LINE("ZV", NULL),
  21        SND_SOC_DAPM_MIC("Mic Jack", NULL),
  22        SND_SOC_DAPM_HP("Headphone Jack", NULL),
  23};
  24
  25static const struct snd_soc_dapm_route base_map[] = {
  26        /* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
  27
  28        { "Headphone Jack", NULL, "HPLOUT" },
  29        { "Headphone Jack", NULL, "HPLCOM" },
  30        { "Headphone Jack", NULL, "HPROUT" },
  31        { "Headphone Jack", NULL, "HPRCOM" },
  32
  33        /* ZV connected to Line1 */
  34
  35        { "LINE1L", NULL, "ZV" },
  36        { "LINE1R", NULL, "ZV" },
  37
  38        /* Line In connected to Line2 */
  39
  40        { "LINE2L", NULL, "Line In" },
  41        { "LINE2R", NULL, "Line In" },
  42
  43        /* Microphone connected to MIC3R and MIC_BIAS */
  44
  45        { "MIC3L", NULL, "Mic Jack" },
  46
  47        /* GSM connected to MONO_LOUT and MIC3L (in) */
  48
  49        { "GSM Out", NULL, "MONO_LOUT" },
  50        { "MIC3L", NULL, "GSM In" },
  51
  52        /* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
  53         * not using the DAPM to power it up and down as there it makes
  54         * a click when powering up. */
  55};
  56
  57/**
  58 * simtec_hermes_init - initialise and add controls
  59 * @codec; The codec instance to attach to.
  60 *
  61 * Attach our controls and configure the necessary codec
  62 * mappings for our sound card instance.
  63*/
  64static int simtec_hermes_init(struct snd_soc_pcm_runtime *rtd)
  65{
  66        simtec_audio_init(rtd);
  67
  68        return 0;
  69}
  70
  71static struct snd_soc_dai_link simtec_dai_aic33 = {
  72        .name           = "tlv320aic33",
  73        .stream_name    = "TLV320AIC33",
  74        .codec_name     = "tlv320aic3x-codec.0-001a",
  75        .cpu_dai_name   = "s3c24xx-iis",
  76        .codec_dai_name = "tlv320aic3x-hifi",
  77        .platform_name  = "s3c24xx-iis",
  78        .init           = simtec_hermes_init,
  79};
  80
  81/* simtec audio machine driver */
  82static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
  83        .name           = "Simtec-Hermes",
  84        .owner          = THIS_MODULE,
  85        .dai_link       = &simtec_dai_aic33,
  86        .num_links      = 1,
  87
  88        .dapm_widgets   = dapm_widgets,
  89        .num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
  90        .dapm_routes    = base_map,
  91        .num_dapm_routes = ARRAY_SIZE(base_map),
  92};
  93
  94static int simtec_audio_hermes_probe(struct platform_device *pd)
  95{
  96        dev_info(&pd->dev, "probing....\n");
  97        return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic33);
  98}
  99
 100static struct platform_driver simtec_audio_hermes_platdrv = {
 101        .driver = {
 102                .name   = "s3c24xx-simtec-hermes-snd",
 103                .pm     = simtec_audio_pm,
 104        },
 105        .probe  = simtec_audio_hermes_probe,
 106        .remove = simtec_audio_remove,
 107};
 108
 109module_platform_driver(simtec_audio_hermes_platdrv);
 110
 111MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
 112MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 113MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 114MODULE_LICENSE("GPL");
 115