s3c24xx_simtec_hermes.c

Go to the documentation of this file.

/* sound/soc/samsung/s3c24xx_simtec_hermes.c
 *
 * Copyright 2009 Simtec Electronics
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/module.h>
#include <sound/soc.h>

#include "s3c24xx_simtec.h"

static const struct snd_soc_dapm_widget dapm_widgets[] = {
    SND_SOC_DAPM_LINE("GSM Out", NULL),
    SND_SOC_DAPM_LINE("GSM In", NULL),
    SND_SOC_DAPM_LINE("Line In", NULL),
    SND_SOC_DAPM_LINE("Line Out", NULL),
    SND_SOC_DAPM_LINE("ZV", NULL),
    SND_SOC_DAPM_MIC("Mic Jack", NULL),
    SND_SOC_DAPM_HP("Headphone Jack", NULL),
};

static const struct snd_soc_dapm_route base_map[] = {
    /* Headphone connected to HP{L,R}OUT and HP{L,R}COM */

    { "Headphone Jack", NULL, "HPLOUT" },
    { "Headphone Jack", NULL, "HPLCOM" },
    { "Headphone Jack", NULL, "HPROUT" },
    { "Headphone Jack", NULL, "HPRCOM" },

    /* ZV connected to Line1 */

    { "LINE1L", NULL, "ZV" },
    { "LINE1R", NULL, "ZV" },

    /* Line In connected to Line2 */

    { "LINE2L", NULL, "Line In" },
    { "LINE2R", NULL, "Line In" },

    /* Microphone connected to MIC3R and MIC_BIAS */

    { "MIC3L", NULL, "Mic Jack" },

    /* GSM connected to MONO_LOUT and MIC3L (in) */

    { "GSM Out", NULL, "MONO_LOUT" },
    { "MIC3L", NULL, "GSM In" },

    /* Speaker is connected to LINEOUT{LN,LP,RN,RP}, however we are
     * not using the DAPM to power it up and down as there it makes
     * a click when powering up. */
};

static int simtec_hermes_init(struct snd_soc_pcm_runtime *rtd)
{
    struct snd_soc_codec *codec = rtd->codec;
    struct snd_soc_dapm_context *dapm = &codec->dapm;

    snd_soc_dapm_enable_pin(dapm, "Headphone Jack");
    snd_soc_dapm_enable_pin(dapm, "Line In");
    snd_soc_dapm_enable_pin(dapm, "Line Out");
    snd_soc_dapm_enable_pin(dapm, "Mic Jack");

    simtec_audio_init(rtd);

    return 0;
}

static struct snd_soc_dai_link simtec_dai_aic33 = {
    .name       = "tlv320aic33",
    .stream_name    = "TLV320AIC33",
    .codec_name = "tlv320aic3x-codec.0-001a",
    .cpu_dai_name   = "s3c24xx-iis",
    .codec_dai_name = "tlv320aic3x-hifi",
    .platform_name  = "samsung-audio",
    .init       = simtec_hermes_init,
};

/* simtec audio machine driver */
static struct snd_soc_card snd_soc_machine_simtec_aic33 = {
    .name       = "Simtec-Hermes",
    .owner      = THIS_MODULE,
    .dai_link   = &simtec_dai_aic33,
    .num_links  = 1,

    .dapm_widgets   = dapm_widgets,
    .num_dapm_widgets = ARRAY_SIZE(dapm_widgets),
    .dapm_routes    = base_map,
    .num_dapm_routes = ARRAY_SIZE(base_map),
};

static int __devinit simtec_audio_hermes_probe(struct platform_device *pd)
{
    dev_info(&pd->dev, "probing....\n");
    return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic33);
}

static struct platform_driver simtec_audio_hermes_platdrv = {
    .driver = {
        .owner  = THIS_MODULE,
        .name   = "s3c24xx-simtec-hermes-snd",
        .pm = simtec_audio_pm,
    },
    .probe  = simtec_audio_hermes_probe,
    .remove = __devexit_p(simtec_audio_remove),
};

module_platform_driver(simtec_audio_hermes_platdrv);

MODULE_ALIAS("platform:s3c24xx-simtec-hermes-snd");
MODULE_AUTHOR("Ben Dooks <[email protected]>");
MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
MODULE_LICENSE("GPL");