LXR linux/sound/soc/s3c24xx/s3c24xx_simtec

   1/* sound/soc/s3c24xx/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 <linux/clk.h>
  12#include <linux/platform_device.h>
  13
  14#include <sound/core.h>
  15#include <sound/pcm.h>
  16#include <sound/soc.h>
  17#include <sound/soc-dapm.h>
  18
  19#include <plat/audio-simtec.h>
  20
  21#include "s3c-dma.h"
  22#include "s3c24xx-i2s.h"
  23#include "s3c24xx_simtec.h"
  24
  25#include "../codecs/tlv320aic23.h"
  26
  27/* supported machines:
  28 *
  29 * Machine      Connections             AMP
  30 * -------      -----------             ---
  31 * BAST         MIC, HPOUT, LOUT, LIN   TPA2001D1 (HPOUTL,R) (gain hardwired)
  32 * VR1000       HPOUT, LIN              None
  33 * VR2000       LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
  34 * DePicture    LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
  35 * Anubis       LIN, LOUT, MIC, HP      TPA2001D1 (HPOUTL,R)
  36 */
  37
  38static const struct snd_soc_dapm_widget dapm_widgets[] = {
  39        SND_SOC_DAPM_HP("Headphone Jack", NULL),
  40        SND_SOC_DAPM_LINE("Line In", NULL),
  41        SND_SOC_DAPM_LINE("Line Out", NULL),
  42        SND_SOC_DAPM_MIC("Mic Jack", NULL),
  43};
  44
  45static const struct snd_soc_dapm_route base_map[] = {
  46        { "Headphone Jack", NULL, "LHPOUT"},
  47        { "Headphone Jack", NULL, "RHPOUT"},
  48
  49        { "Line Out", NULL, "LOUT" },
  50        { "Line Out", NULL, "ROUT" },
  51
  52        { "LLINEIN", NULL, "Line In"},
  53        { "RLINEIN", NULL, "Line In"},
  54
  55        { "MICIN", NULL, "Mic Jack"},
  56};
  57
  58/**
  59 * simtec_tlv320aic23_init - initialise and add controls
  60 * @codec; The codec instance to attach to.
  61 *
  62 * Attach our controls and configure the necessary codec
  63 * mappings for our sound card instance.
  64*/
  65static int simtec_tlv320aic23_init(struct snd_soc_codec *codec)
  66{
  67        snd_soc_dapm_new_controls(codec, dapm_widgets,
  68                                  ARRAY_SIZE(dapm_widgets));
  69
  70        snd_soc_dapm_add_routes(codec, base_map, ARRAY_SIZE(base_map));
  71
  72        snd_soc_dapm_enable_pin(codec, "Headphone Jack");
  73        snd_soc_dapm_enable_pin(codec, "Line In");
  74        snd_soc_dapm_enable_pin(codec, "Line Out");
  75        snd_soc_dapm_enable_pin(codec, "Mic Jack");
  76
  77        simtec_audio_init(codec);
  78        snd_soc_dapm_sync(codec);
  79
  80        return 0;
  81}
  82
  83static struct snd_soc_dai_link simtec_dai_aic23 = {
  84        .name           = "tlv320aic23",
  85        .stream_name    = "TLV320AIC23",
  86        .cpu_dai        = &s3c24xx_i2s_dai,
  87        .codec_dai      = &tlv320aic23_dai,
  88        .init           = simtec_tlv320aic23_init,
  89};
  90
  91/* simtec audio machine driver */
  92static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
  93        .name           = "Simtec",
  94        .platform       = &s3c24xx_soc_platform,
  95        .dai_link       = &simtec_dai_aic23,
  96        .num_links      = 1,
  97};
  98
  99/* simtec audio subsystem */
 100static struct snd_soc_device simtec_snd_devdata_aic23 = {
 101        .card           = &snd_soc_machine_simtec_aic23,
 102        .codec_dev      = &soc_codec_dev_tlv320aic23,
 103};
 104
 105static int __devinit simtec_audio_tlv320aic23_probe(struct platform_device *pd)
 106{
 107        return simtec_audio_core_probe(pd, &simtec_snd_devdata_aic23);
 108}
 109
 110static struct platform_driver simtec_audio_tlv320aic23_platdrv = {
 111        .driver = {
 112                .owner  = THIS_MODULE,
 113                .name   = "s3c24xx-simtec-tlv320aic23",
 114                .pm     = simtec_audio_pm,
 115        },
 116        .probe  = simtec_audio_tlv320aic23_probe,
 117        .remove = __devexit_p(simtec_audio_remove),
 118};
 119
 120MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
 121
 122static int __init simtec_tlv320aic23_modinit(void)
 123{
 124        return platform_driver_register(&simtec_audio_tlv320aic23_platdrv);
 125}
 126
 127static void __exit simtec_tlv320aic23_modexit(void)
 128{
 129        platform_driver_unregister(&simtec_audio_tlv320aic23_platdrv);
 130}
 131
 132module_init(simtec_tlv320aic23_modinit);
 133module_exit(simtec_tlv320aic23_modexit);
 134
 135MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 136MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 137MODULE_LICENSE("GPL");
 138