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Linux/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");
124 

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