LXR linux/sound/soc/samsung/s3c24xx_simtec

   1/* sound/soc/samsung/s3c24xx_simtec_tlv320aic23.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
  15/* supported machines:
  16 *
  17 * Machine      Connections             AMP
  18 * -------      -----------             ---
  19 * BAST         MIC, HPOUT, LOUT, LIN   TPA2001D1 (HPOUTL,R) (gain hardwired)
  20 * VR1000       HPOUT, LIN              None
  21 * VR2000       LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
  22 * DePicture    LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
  23 * Anubis       LIN, LOUT, MIC, HP      TPA2001D1 (HPOUTL,R)
  24 */
  25
  26static const struct snd_soc_dapm_widget dapm_widgets[] = {
  27        SND_SOC_DAPM_HP("Headphone Jack", NULL),
  28        SND_SOC_DAPM_LINE("Line In", NULL),
  29        SND_SOC_DAPM_LINE("Line Out", NULL),
  30        SND_SOC_DAPM_MIC("Mic Jack", NULL),
  31};
  32
  33static const struct snd_soc_dapm_route base_map[] = {
  34        { "Headphone Jack", NULL, "LHPOUT"},
  35        { "Headphone Jack", NULL, "RHPOUT"},
  36
  37        { "Line Out", NULL, "LOUT" },
  38        { "Line Out", NULL, "ROUT" },
  39
  40        { "LLINEIN", NULL, "Line In"},
  41        { "RLINEIN", NULL, "Line In"},
  42
  43        { "MICIN", NULL, "Mic Jack"},
  44};
  45
  46/**
  47 * simtec_tlv320aic23_init - initialise and add controls
  48 * @codec; The codec instance to attach to.
  49 *
  50 * Attach our controls and configure the necessary codec
  51 * mappings for our sound card instance.
  52*/
  53static int simtec_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
  54{
  55        struct snd_soc_codec *codec = rtd->codec;
  56        struct snd_soc_dapm_context *dapm = &codec->dapm;
  57
  58        snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
  59        snd_soc_dapm_enable_pin(dapm, "Line In");
  60        snd_soc_dapm_enable_pin(dapm, "Line Out");
  61        snd_soc_dapm_enable_pin(dapm, "Mic Jack");
  62
  63        simtec_audio_init(rtd);
  64
  65        return 0;
  66}
  67
  68static struct snd_soc_dai_link simtec_dai_aic23 = {
  69        .name           = "tlv320aic23",
  70        .stream_name    = "TLV320AIC23",
  71        .codec_name     = "tlv320aic3x-codec.0-001a",
  72        .cpu_dai_name   = "s3c24xx-iis",
  73        .codec_dai_name = "tlv320aic3x-hifi",
  74        .platform_name  = "s3c24xx-iis",
  75        .init           = simtec_tlv320aic23_init,
  76};
  77
  78/* simtec audio machine driver */
  79static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
  80        .name           = "Simtec",
  81        .owner          = THIS_MODULE,
  82        .dai_link       = &simtec_dai_aic23,
  83        .num_links      = 1,
  84
  85        .dapm_widgets   = dapm_widgets,
  86        .num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
  87        .dapm_routes    = base_map,
  88        .num_dapm_routes = ARRAY_SIZE(base_map),
  89};
  90
  91static int simtec_audio_tlv320aic23_probe(struct platform_device *pd)
  92{
  93        return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
  94}
  95
  96static struct platform_driver simtec_audio_tlv320aic23_driver = {
  97        .driver = {
  98                .owner  = THIS_MODULE,
  99                .name   = "s3c24xx-simtec-tlv320aic23",
 100                .pm     = simtec_audio_pm,
 101        },
 102        .probe  = simtec_audio_tlv320aic23_probe,
 103        .remove = simtec_audio_remove,
 104};
 105
 106module_platform_driver(simtec_audio_tlv320aic23_driver);
 107
 108MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
 109MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 110MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 111MODULE_LICENSE("GPL");
 112