s3c24xx_simtec_tlv320aic23.c

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/* sound/soc/samsung/s3c24xx_simtec_tlv320aic23.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"

/* supported machines:
 *
 * Machine  Connections     AMP
 * -------  -----------     ---
 * BAST     MIC, HPOUT, LOUT, LIN   TPA2001D1 (HPOUTL,R) (gain hardwired)
 * VR1000   HPOUT, LIN      None
 * VR2000   LIN, LOUT, MIC, HP  LM4871 (HPOUTL,R)
 * DePicture    LIN, LOUT, MIC, HP  LM4871 (HPOUTL,R)
 * Anubis   LIN, LOUT, MIC, HP  TPA2001D1 (HPOUTL,R)
 */

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

static const struct snd_soc_dapm_route base_map[] = {
    { "Headphone Jack", NULL, "LHPOUT"},
    { "Headphone Jack", NULL, "RHPOUT"},

    { "Line Out", NULL, "LOUT" },
    { "Line Out", NULL, "ROUT" },

    { "LLINEIN", NULL, "Line In"},
    { "RLINEIN", NULL, "Line In"},

    { "MICIN", NULL, "Mic Jack"},
};

static int simtec_tlv320aic23_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_aic23 = {
    .name       = "tlv320aic23",
    .stream_name    = "TLV320AIC23",
    .codec_name = "tlv320aic3x-codec.0-001a",
    .cpu_dai_name   = "s3c24xx-iis",
    .codec_dai_name = "tlv320aic3x-hifi",
    .platform_name  = "samsung-audio",
    .init       = simtec_tlv320aic23_init,
};

/* simtec audio machine driver */
static struct snd_soc_card snd_soc_machine_simtec_aic23 = {
    .name       = "Simtec",
    .owner      = THIS_MODULE,
    .dai_link   = &simtec_dai_aic23,
    .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_tlv320aic23_probe(struct platform_device *pd)
{
    return simtec_audio_core_probe(pd, &snd_soc_machine_simtec_aic23);
}

static struct platform_driver simtec_audio_tlv320aic23_driver = {
    .driver = {
        .owner  = THIS_MODULE,
        .name   = "s3c24xx-simtec-tlv320aic23",
        .pm = simtec_audio_pm,
    },
    .probe  = simtec_audio_tlv320aic23_probe,
    .remove = __devexit_p(simtec_audio_remove),
};

module_platform_driver(simtec_audio_tlv320aic23_driver);

MODULE_ALIAS("platform:s3c24xx-simtec-tlv320aic23");
MODULE_AUTHOR("Ben Dooks <[email protected]>");
MODULE_DESCRIPTION("ALSA SoC Simtec Audio support");
MODULE_LICENSE("GPL");