sound/soc/samsung/s3c24xx_simtec_hermes.c

   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
  15 static 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
  25 static 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 */
  64 static int simtec_hermes_init(struct snd_soc_pcm_runtime *rtd)
  65 {
  66         struct snd_soc_codec *codec = rtd->codec;
  67         struct snd_soc_dapm_context *dapm = &codec->dapm;
  68
  69         snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
  70         snd_soc_dapm_enable_pin(dapm, "Line In");
  71         snd_soc_dapm_enable_pin(dapm, "Line Out");
  72         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
  73
  74         simtec_audio_init(rtd);
  75
  76         return 0;
  77 }
  78
  79 static struct snd_soc_dai_link simtec_dai_aic33 = {
  80         .name           = "tlv320aic33",
  81         .stream_name    = "TLV320AIC33",
  82         .codec_name     = "tlv320aic3x-codec.0-001a",
  83         .cpu_dai_name   = "s3c24xx-iis",
  84         .codec_dai_name = "tlv320aic3x-hifi",
  85         .platform_name  = "s3c24xx-iis",
  86         .init           = simtec_hermes_init,
  87 };
  88
  89 /* simtec audio machine driver */
  90 static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
  91         .name           = "Simtec-Hermes",
  92         .owner          = THIS_MODULE,
  93         .dai_link       = &simtec_dai_aic33,
  94         .num_links      = 1,
  95
  96         .dapm_widgets   = dapm_widgets,
  97         .num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
  98         .dapm_routes    = base_map,
  99         .num_dapm_routes = ARRAY_SIZE(base_map),
 100 };
 101
 102 static int simtec_audio_hermes_probe(struct platform_device *pd)
 103 {
 104         dev_info(&pd->dev, "probing....\n");
 105         return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic33);
 106 }
 107
 108 static struct platform_driver simtec_audio_hermes_platdrv = {
 109         .driver = {
 110                 .owner  = THIS_MODULE,
 111                 .name   = "s3c24xx-simtec-hermes-snd",
 112                 .pm     = simtec_audio_pm,
 113         },
 114         .probe  = simtec_audio_hermes_probe,
 115         .remove = simtec_audio_remove,
 116 };
 117
 118 module_platform_driver(simtec_audio_hermes_platdrv);
 119
 120 MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
 121 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 122 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 123 MODULE_LICENSE("GPL");