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 <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
  18#include <plat/audio-simtec.h>
  19
  20#include "dma.h"
  21#include "s3c24xx-i2s.h"
  22#include "s3c24xx_simtec.h"
  23
  24static const struct snd_soc_dapm_widget dapm_widgets[] = {
  25        SND_SOC_DAPM_LINE("GSM Out", NULL),
  26        SND_SOC_DAPM_LINE("GSM In", NULL),
  27        SND_SOC_DAPM_LINE("Line In", NULL),
  28        SND_SOC_DAPM_LINE("Line Out", NULL),
  29        SND_SOC_DAPM_LINE("ZV", NULL),
  30        SND_SOC_DAPM_MIC("Mic Jack", NULL),
  31        SND_SOC_DAPM_HP("Headphone Jack", NULL),
  32};
  33
  34static const struct snd_soc_dapm_route base_map[] = {
  35        /* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
  36
  37        { "Headphone Jack", NULL, "HPLOUT" },
  38        { "Headphone Jack", NULL, "HPLCOM" },
  39        { "Headphone Jack", NULL, "HPROUT" },
  40        { "Headphone Jack", NULL, "HPRCOM" },
  41
  42        /* ZV connected to Line1 */
  43
  44        { "LINE1L", NULL, "ZV" },
  45        { "LINE1R", NULL, "ZV" },
  46
  47        /* Line In connected to Line2 */
  48
  49        { "LINE2L", NULL, "Line In" },
  50        { "LINE2R", NULL, "Line In" },
  51
  52        /* Microphone connected to MIC3R and MIC_BIAS */
  53
  54        { "MIC3L", NULL, "Mic Jack" },
  55
  56        /* GSM connected to MONO_LOUT and MIC3L (in) */
  57
  58        { "GSM Out", NULL, "MONO_LOUT" },
  59        { "MIC3L", NULL, "GSM In" },
  60
  61        /* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
  62         * not using the DAPM to power it up and down as there it makes
  63         * a click when powering up. */
  64};
  65
  66/**
  67 * simtec_hermes_init - initialise and add controls
  68 * @codec; The codec instance to attach to.
  69 *
  70 * Attach our controls and configure the necessary codec
  71 * mappings for our sound card instance.
  72*/
  73static int simtec_hermes_init(struct snd_soc_pcm_runtime *rtd)
  74{
  75        struct snd_soc_codec *codec = rtd->codec;
  76        struct snd_soc_dapm_context *dapm = &codec->dapm;
  77
  78        snd_soc_dapm_new_controls(dapm, dapm_widgets,
  79                                  ARRAY_SIZE(dapm_widgets));
  80
  81        snd_soc_dapm_add_routes(dapm, base_map, ARRAY_SIZE(base_map));
  82
  83        snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
  84        snd_soc_dapm_enable_pin(dapm, "Line In");
  85        snd_soc_dapm_enable_pin(dapm, "Line Out");
  86        snd_soc_dapm_enable_pin(dapm, "Mic Jack");
  87
  88        simtec_audio_init(rtd);
  89        snd_soc_dapm_sync(dapm);
  90
  91        return 0;
  92}
  93
  94static struct snd_soc_dai_link simtec_dai_aic33 = {
  95        .name           = "tlv320aic33",
  96        .stream_name    = "TLV320AIC33",
  97        .codec_name     = "tlv320aic3x-codec.0-001a",
  98        .cpu_dai_name   = "s3c24xx-iis",
  99        .codec_dai_name = "tlv320aic3x-hifi",
 100        .platform_name  = "samsung-audio",
 101        .init           = simtec_hermes_init,
 102};
 103
 104/* simtec audio machine driver */
 105static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
 106        .name           = "Simtec-Hermes",
 107        .dai_link       = &simtec_dai_aic33,
 108        .num_links      = 1,
 109};
 110
 111static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
 112{
 113        dev_info(&pd->dev, "probing....\n");
 114        return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic33);
 115}
 116
 117static struct platform_driver simtec_audio_hermes_platdrv = {
 118        .driver = {
 119                .owner  = THIS_MODULE,
 120                .name   = "s3c24xx-simtec-hermes-snd",
 121                .pm     = simtec_audio_pm,
 122        },
 123        .probe  = simtec_audio_hermes_probe,
 124        .remove = __devexit_p(simtec_audio_remove),
 125};
 126
 127MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
 128
 129static int __init simtec_hermes_modinit(void)
 130{
 131        return platform_driver_register(&simtec_audio_hermes_platdrv);
 132}
 133
 134static void __exit simtec_hermes_modexit(void)
 135{
 136        platform_driver_unregister(&simtec_audio_hermes_platdrv);
 137}
 138
 139module_init(simtec_hermes_modinit);
 140module_exit(simtec_hermes_modexit);
 141
 142MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 143MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 144MODULE_LICENSE("GPL");
 145