LXR linux/sound/soc/s3c24xx/s3c24xx_simtec

   1/* sound/soc/s3c24xx/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 <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 "s3c24xx-pcm.h"
  22#include "s3c24xx-i2s.h"
  23#include "s3c24xx_simtec.h"
  24
  25#include "../codecs/tlv320aic3x.h"
  26
  27static const struct snd_soc_dapm_widget dapm_widgets[] = {
  28        SND_SOC_DAPM_LINE("GSM Out", NULL),
  29        SND_SOC_DAPM_LINE("GSM In", NULL),
  30        SND_SOC_DAPM_LINE("Line In", NULL),
  31        SND_SOC_DAPM_LINE("Line Out", NULL),
  32        SND_SOC_DAPM_LINE("ZV", NULL),
  33        SND_SOC_DAPM_MIC("Mic Jack", NULL),
  34        SND_SOC_DAPM_HP("Headphone Jack", NULL),
  35};
  36
  37static const struct snd_soc_dapm_route base_map[] = {
  38        /* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
  39
  40        { "Headphone Jack", NULL, "HPLOUT" },
  41        { "Headphone Jack", NULL, "HPLCOM" },
  42        { "Headphone Jack", NULL, "HPROUT" },
  43        { "Headphone Jack", NULL, "HPRCOM" },
  44
  45        /* ZV connected to Line1 */
  46
  47        { "LINE1L", NULL, "ZV" },
  48        { "LINE1R", NULL, "ZV" },
  49
  50        /* Line In connected to Line2 */
  51
  52        { "LINE2L", NULL, "Line In" },
  53        { "LINE2R", NULL, "Line In" },
  54
  55        /* Microphone connected to MIC3R and MIC_BIAS */
  56
  57        { "MIC3L", NULL, "Mic Jack" },
  58
  59        /* GSM connected to MONO_LOUT and MIC3L (in) */
  60
  61        { "GSM Out", NULL, "MONO_LOUT" },
  62        { "MIC3L", NULL, "GSM In" },
  63
  64        /* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
  65         * not using the DAPM to power it up and down as there it makes
  66         * a click when powering up. */
  67};
  68
  69/**
  70 * simtec_hermes_init - initialise and add controls
  71 * @codec; The codec instance to attach to.
  72 *
  73 * Attach our controls and configure the necessary codec
  74 * mappings for our sound card instance.
  75*/
  76static int simtec_hermes_init(struct snd_soc_codec *codec)
  77{
  78        snd_soc_dapm_new_controls(codec, dapm_widgets,
  79                                  ARRAY_SIZE(dapm_widgets));
  80
  81        snd_soc_dapm_add_routes(codec, base_map, ARRAY_SIZE(base_map));
  82
  83        snd_soc_dapm_enable_pin(codec, "Headphone Jack");
  84        snd_soc_dapm_enable_pin(codec, "Line In");
  85        snd_soc_dapm_enable_pin(codec, "Line Out");
  86        snd_soc_dapm_enable_pin(codec, "Mic Jack");
  87
  88        simtec_audio_init(codec);
  89        snd_soc_dapm_sync(codec);
  90
  91        return 0;
  92}
  93
  94static struct aic3x_setup_data codec_setup = {
  95};
  96
  97static struct snd_soc_dai_link simtec_dai_aic33 = {
  98        .name           = "tlv320aic33",
  99        .stream_name    = "TLV320AIC33",
 100        .cpu_dai        = &s3c24xx_i2s_dai,
 101        .codec_dai      = &aic3x_dai,
 102        .init           = simtec_hermes_init,
 103};
 104
 105/* simtec audio machine driver */
 106static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
 107        .name           = "Simtec-Hermes",
 108        .platform       = &s3c24xx_soc_platform,
 109        .dai_link       = &simtec_dai_aic33,
 110        .num_links      = 1,
 111};
 112
 113/* simtec audio subsystem */
 114static struct snd_soc_device simtec_snd_devdata_aic33 = {
 115        .card           = &snd_soc_machine_simtec_aic33,
 116        .codec_dev      = &soc_codec_dev_aic3x,
 117        .codec_data     = &codec_setup,
 118};
 119
 120static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
 121{
 122        dev_info(&pd->dev, "probing....\n");
 123        return simtec_audio_core_probe(pd, &simtec_snd_devdata_aic33);
 124}
 125
 126static struct platform_driver simtec_audio_hermes_platdrv = {
 127        .driver = {
 128                .owner  = THIS_MODULE,
 129                .name   = "s3c24xx-simtec-hermes-snd",
 130                .pm     = simtec_audio_pm,
 131        },
 132        .probe  = simtec_audio_hermes_probe,
 133        .remove = __devexit_p(simtec_audio_remove),
 134};
 135
 136MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
 137
 138static int __init simtec_hermes_modinit(void)
 139{
 140        return platform_driver_register(&simtec_audio_hermes_platdrv);
 141}
 142
 143static void __exit simtec_hermes_modexit(void)
 144{
 145        platform_driver_unregister(&simtec_audio_hermes_platdrv);
 146}
 147
 148module_init(simtec_hermes_modinit);
 149module_exit(simtec_hermes_modexit);
 150
 151MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 152MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 153MODULE_LICENSE("GPL");
 154