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 <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 static 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
  34 static 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 */
  73 static 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
  94 static struct snd_soc_dai_link simtec_dai_aic33 = {
  95         .name           = "tlv320aic33",
  96         .stream_name    = "TLV320AIC33",
  97         .codec_name     = "tlv320aic3x-codec.0-0x1a",
  98         .cpu_dai_name   = "s3c24xx-i2s",
  99         .codec_dai_name = "tlv320aic3x-hifi",
 100         .platform_name  = "samsung-audio",
 101         .init           = simtec_hermes_init,
 102 };
 103
 104 /* simtec audio machine driver */
 105 static 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
 111 static 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
 117 static 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
 127 MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
 128
 129 static int __init simtec_hermes_modinit(void)
 130 {
 131         return platform_driver_register(&simtec_audio_hermes_platdrv);
 132 }
 133
 134 static void __exit simtec_hermes_modexit(void)
 135 {
 136         platform_driver_unregister(&simtec_audio_hermes_platdrv);
 137 }
 138
 139 module_init(simtec_hermes_modinit);
 140 module_exit(simtec_hermes_modexit);
 141
 142 MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
 143 MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
 144 MODULE_LICENSE("GPL");