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 <sound/soc.h>
  11
  12 #include "s3c24xx_simtec.h"
  13
  14 static const struct snd_soc_dapm_widget dapm_widgets[] = {
  15         SND_SOC_DAPM_LINE("GSM Out", NULL),
  16         SND_SOC_DAPM_LINE("GSM In", NULL),
  17         SND_SOC_DAPM_LINE("Line In", NULL),
  18         SND_SOC_DAPM_LINE("Line Out", NULL),
  19         SND_SOC_DAPM_LINE("ZV", NULL),
  20         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  21         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  22 };
  23
  24 static const struct snd_soc_dapm_route base_map[] = {
  25         /* Headphone connected to HP{L,R}OUT and HP{L,R}COM */
  26
  27         { "Headphone Jack", NULL, "HPLOUT" },
  28         { "Headphone Jack", NULL, "HPLCOM" },
  29         { "Headphone Jack", NULL, "HPROUT" },
  30         { "Headphone Jack", NULL, "HPRCOM" },
  31
  32         /* ZV connected to Line1 */
  33
  34         { "LINE1L", NULL, "ZV" },
  35         { "LINE1R", NULL, "ZV" },
  36
  37         /* Line In connected to Line2 */
  38
  39         { "LINE2L", NULL, "Line In" },
  40         { "LINE2R", NULL, "Line In" },
  41
  42         /* Microphone connected to MIC3R and MIC_BIAS */
  43
  44         { "MIC3L", NULL, "Mic Jack" },
  45
  46         /* GSM connected to MONO_LOUT and MIC3L (in) */
  47
  48         { "GSM Out", NULL, "MONO_LOUT" },
  49         { "MIC3L", NULL, "GSM In" },
  50
  51         /* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
  52          * not using the DAPM to power it up and down as there it makes
  53          * a click when powering up. */
  54 };
  55
  56 /**
  57  * simtec_hermes_init - initialise and add controls
  58  * @codec; The codec instance to attach to.
  59  *
  60  * Attach our controls and configure the necessary codec
  61  * mappings for our sound card instance.
  62 */
  63 static int simtec_hermes_init(struct snd_soc_pcm_runtime *rtd)
  64 {
  65         struct snd_soc_codec *codec = rtd->codec;
  66         struct snd_soc_dapm_context *dapm = &codec->dapm;
  67
  68         snd_soc_dapm_new_controls(dapm, dapm_widgets,
  69                                   ARRAY_SIZE(dapm_widgets));
  70
  71         snd_soc_dapm_add_routes(dapm, base_map, ARRAY_SIZE(base_map));
  72
  73         snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
  74         snd_soc_dapm_enable_pin(dapm, "Line In");
  75         snd_soc_dapm_enable_pin(dapm, "Line Out");
  76         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
  77
  78         simtec_audio_init(rtd);
  79         snd_soc_dapm_sync(dapm);
  80
  81         return 0;
  82 }
  83
  84 static struct snd_soc_dai_link simtec_dai_aic33 = {
  85         .name           = "tlv320aic33",
  86         .stream_name    = "TLV320AIC33",
  87         .codec_name     = "tlv320aic3x-codec.0-001a",
  88         .cpu_dai_name   = "s3c24xx-iis",
  89         .codec_dai_name = "tlv320aic3x-hifi",
  90         .platform_name  = "samsung-audio",
  91         .init           = simtec_hermes_init,
  92 };
  93
  94 /* simtec audio machine driver */
  95 static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
  96         .name           = "Simtec-Hermes",
  97         .dai_link       = &simtec_dai_aic33,
  98         .num_links      = 1,
  99 };
 100
 101 static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
 102 {
 103         dev_info(&pd->dev, "probing....\n");
 104         return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic33);
 105 }
 106
 107 static struct platform_driver simtec_audio_hermes_platdrv = {
 108         .driver = {
 109                 .owner  = THIS_MODULE,
 110                 .name   = "s3c24xx-simtec-hermes-snd",
 111                 .pm     = simtec_audio_pm,
 112         },
 113         .probe  = simtec_audio_hermes_probe,
 114         .remove = __devexit_p(simtec_audio_remove),
 115 };
 116
 117 MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
 118
 119 static int __init simtec_hermes_modinit(void)
 120 {
 121         return platform_driver_register(&simtec_audio_hermes_platdrv);
 122 }
 123
 124 static void __exit simtec_hermes_modexit(void)
 125 {
 126         platform_driver_unregister(&simtec_audio_hermes_platdrv);
 127 }
 128
 129 module_init(simtec_hermes_modinit);
 130 module_exit(simtec_hermes_modexit);
 131
 132 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 133 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 134 MODULE_LICENSE("GPL");