sound/soc/samsung/s3c24xx_simtec_tlv320aic23.c

   1 /* sound/soc/samsung/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 <sound/soc.h>
  12
  13 #include "s3c24xx_simtec.h"
  14
  15 /* supported machines:
  16  *
  17  * Machine      Connections             AMP
  18  * -------      -----------             ---
  19  * BAST         MIC, HPOUT, LOUT, LIN   TPA2001D1 (HPOUTL,R) (gain hardwired)
  20  * VR1000       HPOUT, LIN              None
  21  * VR2000       LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
  22  * DePicture    LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
  23  * Anubis       LIN, LOUT, MIC, HP      TPA2001D1 (HPOUTL,R)
  24  */
  25
  26 static const struct snd_soc_dapm_widget dapm_widgets[] = {
  27         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  28         SND_SOC_DAPM_LINE("Line In", NULL),
  29         SND_SOC_DAPM_LINE("Line Out", NULL),
  30         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  31 };
  32
  33 static const struct snd_soc_dapm_route base_map[] = {
  34         { "Headphone Jack", NULL, "LHPOUT"},
  35         { "Headphone Jack", NULL, "RHPOUT"},
  36
  37         { "Line Out", NULL, "LOUT" },
  38         { "Line Out", NULL, "ROUT" },
  39
  40         { "LLINEIN", NULL, "Line In"},
  41         { "RLINEIN", NULL, "Line In"},
  42
  43         { "MICIN", NULL, "Mic Jack"},
  44 };
  45
  46 /**
  47  * simtec_tlv320aic23_init - initialise and add controls
  48  * @codec; The codec instance to attach to.
  49  *
  50  * Attach our controls and configure the necessary codec
  51  * mappings for our sound card instance.
  52 */
  53 static int simtec_tlv320aic23_init(struct snd_soc_pcm_runtime *rtd)
  54 {
  55         struct snd_soc_codec *codec = rtd->codec;
  56         struct snd_soc_dapm_context *dapm = &codec->dapm;
  57
  58         snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
  59         snd_soc_dapm_enable_pin(dapm, "Line In");
  60         snd_soc_dapm_enable_pin(dapm, "Line Out");
  61         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
  62
  63         simtec_audio_init(rtd);
  64
  65         return 0;
  66 }
  67
  68 static struct snd_soc_dai_link simtec_dai_aic23 = {
  69         .name           = "tlv320aic23",
  70         .stream_name    = "TLV320AIC23",
  71         .codec_name     = "tlv320aic3x-codec.0-001a",
  72         .cpu_dai_name   = "s3c24xx-iis",
  73         .codec_dai_name = "tlv320aic3x-hifi",
  74         .platform_name  = "samsung-audio",
  75         .init           = simtec_tlv320aic23_init,
  76 };
  77
  78 /* simtec audio machine driver */
  79 static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
  80         .name           = "Simtec",
  81         .dai_link       = &simtec_dai_aic23,
  82         .num_links      = 1,
  83
  84         .dapm_widgets   = dapm_widgets,
  85         .num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
  86         .dapm_routes    = base_map,
  87         .num_dapm_routes = ARRAY_SIZE(base_map),
  88 };
  89
  90 static int __devinit simtec_audio_tlv320aic23_probe(struct platform_device *pd)
  91 {
  92         return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
  93 }
  94
  95 static struct platform_driver simtec_audio_tlv320aic23_platdrv = {
  96         .driver = {
  97                 .owner  = THIS_MODULE,
  98                 .name   = "s3c24xx-simtec-tlv320aic23",
  99                 .pm     = simtec_audio_pm,
 100         },
 101         .probe  = simtec_audio_tlv320aic23_probe,
 102         .remove = __devexit_p(simtec_audio_remove),
 103 };
 104
 105 MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
 106
 107 static int __init simtec_tlv320aic23_modinit(void)
 108 {
 109         return platform_driver_register(&simtec_audio_tlv320aic23_platdrv);
 110 }
 111
 112 static void __exit simtec_tlv320aic23_modexit(void)
 113 {
 114         platform_driver_unregister(&simtec_audio_tlv320aic23_platdrv);
 115 }
 116
 117 module_init(simtec_tlv320aic23_modinit);
 118 module_exit(simtec_tlv320aic23_modexit);
 119
 120 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 121 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 122 MODULE_LICENSE("GPL");