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 <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
  24 #include "../codecs/tlv320aic23.h"
  25
  26 /* supported machines:
  27  *
  28  * Machine      Connections             AMP
  29  * -------      -----------             ---
  30  * BAST         MIC, HPOUT, LOUT, LIN   TPA2001D1 (HPOUTL,R) (gain hardwired)
  31  * VR1000       HPOUT, LIN              None
  32  * VR2000       LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
  33  * DePicture    LIN, LOUT, MIC, HP      LM4871 (HPOUTL,R)
  34  * Anubis       LIN, LOUT, MIC, HP      TPA2001D1 (HPOUTL,R)
  35  */
  36
  37 static const struct snd_soc_dapm_widget dapm_widgets[] = {
  38         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  39         SND_SOC_DAPM_LINE("Line In", NULL),
  40         SND_SOC_DAPM_LINE("Line Out", NULL),
  41         SND_SOC_DAPM_MIC("Mic Jack", NULL),
  42 };
  43
  44 static const struct snd_soc_dapm_route base_map[] = {
  45         { "Headphone Jack", NULL, "LHPOUT"},
  46         { "Headphone Jack", NULL, "RHPOUT"},
  47
  48         { "Line Out", NULL, "LOUT" },
  49         { "Line Out", NULL, "ROUT" },
  50
  51         { "LLINEIN", NULL, "Line In"},
  52         { "RLINEIN", NULL, "Line In"},
  53
  54         { "MICIN", NULL, "Mic Jack"},
  55 };
  56
  57 /**
  58  * simtec_tlv320aic23_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_tlv320aic23_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_new_controls(dapm, dapm_widgets,
  70                                   ARRAY_SIZE(dapm_widgets));
  71
  72         snd_soc_dapm_add_routes(dapm, base_map, ARRAY_SIZE(base_map));
  73
  74         snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
  75         snd_soc_dapm_enable_pin(dapm, "Line In");
  76         snd_soc_dapm_enable_pin(dapm, "Line Out");
  77         snd_soc_dapm_enable_pin(dapm, "Mic Jack");
  78
  79         simtec_audio_init(rtd);
  80         snd_soc_dapm_sync(dapm);
  81
  82         return 0;
  83 }
  84
  85 static struct snd_soc_dai_link simtec_dai_aic23 = {
  86         .name           = "tlv320aic23",
  87         .stream_name    = "TLV320AIC23",
  88         .codec_name     = "tlv320aic3x-codec.0-0x1a",
  89         .cpu_dai_name   = "s3c24xx-i2s",
  90         .codec_dai_name = "tlv320aic3x-hifi",
  91         .platform_name  = "samsung-audio",
  92         .init           = simtec_tlv320aic23_init,
  93 };
  94
  95 /* simtec audio machine driver */
  96 static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
  97         .name           = "Simtec",
  98         .dai_link       = &simtec_dai_aic23,
  99         .num_links      = 1,
 100 };
 101
 102 static int __devinit simtec_audio_tlv320aic23_probe(struct platform_device *pd)
 103 {
 104         return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
 105 }
 106
 107 static struct platform_driver simtec_audio_tlv320aic23_platdrv = {
 108         .driver = {
 109                 .owner  = THIS_MODULE,
 110                 .name   = "s3c24xx-simtec-tlv320aic23",
 111                 .pm     = simtec_audio_pm,
 112         },
 113         .probe  = simtec_audio_tlv320aic23_probe,
 114         .remove = __devexit_p(simtec_audio_remove),
 115 };
 116
 117 MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
 118
 119 static int __init simtec_tlv320aic23_modinit(void)
 120 {
 121         return platform_driver_register(&simtec_audio_tlv320aic23_platdrv);
 122 }
 123
 124 static void __exit simtec_tlv320aic23_modexit(void)
 125 {
 126         platform_driver_unregister(&simtec_audio_tlv320aic23_platdrv);
 127 }
 128
 129 module_init(simtec_tlv320aic23_modinit);
 130 module_exit(simtec_tlv320aic23_modexit);
 131
 132 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 133 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 134 MODULE_LICENSE("GPL");