marvell/linux/sound/soc/pxa/pxa-es8311.c

/*
 * linux/sound/soc/pxa/pxa-es8311.c
 *
 * Copyright (C) 2013 Marvell International Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/mfd/88pm8xxx-headset.h>
#include <linux/features.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <linux/io.h>
#include <linux/uaccess.h>
#include <sound/pcm_params.h>
#include <linux/pxa2xx_ssp.h>
#include <linux/input.h>
#include "pxa-ssp.h"

#ifdef CONFIG_SND_PXA_SSP_DUMP
int ssp_playback_enable;
int ssp_capture_enable;
int gssp_playback_enable;
int gssp_capture_enable;
#endif

//extern void enable_5616_MClock(void);
//extern void codec_es8311_Enable_Headsetdetection(void);

static int pxa_es8311_hifi_startup(struct snd_pcm_substream *substream)
{
    return 0;
}

static int pxa_es8311_hw_params(struct snd_pcm_substream *substream,
        struct snd_pcm_hw_params *params)
{
    return 0;
}

static int pxa_es8311_hifi_prepare(struct snd_pcm_substream *substream)
{
    return 0;
}

static int pxa_es8311_late_probe(struct snd_soc_card *card)
{
    //enable_5616_MClock();
    //codec_rt5616_Enable_Headsetdetection();
    printk(KERN_INFO"%s/L%d.\n", __FUNCTION__, __LINE__);

    return 0;
}

static const struct snd_soc_ops pxa_es8311_machine_ops[] = {
    {
        .startup = pxa_es8311_hifi_startup,
        .hw_params = pxa_es8311_hw_params,
        .prepare = pxa_es8311_hifi_prepare,
    },
};

#ifdef CONFIG_CPU_ASR1901
SND_SOC_DAILINK_DEFS(es8311,
    DAILINK_COMP_ARRAY(COMP_CPU("pxa-ssp-dai.1")),
    DAILINK_COMP_ARRAY(COMP_CODEC("es8311.1-001b", "es8311-pcm")),
    DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-ssp-dai.1")));
#else
SND_SOC_DAILINK_DEFS(es8311,
    DAILINK_COMP_ARRAY(COMP_CPU("pxa-ssp-dai.1")),
    DAILINK_COMP_ARRAY(COMP_CODEC("es8311.0-0018", "es8311-pcm")),
    DAILINK_COMP_ARRAY(COMP_PLATFORM("pxa-ssp-dai.1")));
#endif

static struct snd_soc_dai_link pxa_es8311_dai[] = {
    {
        .name = "es8311 pcm",
        .stream_name = "mrvl-ssp",
        .ops = &pxa_es8311_machine_ops[0],
        SND_SOC_DAILINK_REG(es8311),
    },
};

static struct snd_soc_card pxa_es8311_card = {
    .name = "pxa-es8311-dkb-voice",
    .dai_link = pxa_es8311_dai,
    .num_links = ARRAY_SIZE(pxa_es8311_dai),
    .late_probe = pxa_es8311_late_probe,
};

static struct of_device_id pxa_es8311_dt_ids[] = {
    { .compatible = "ASRMICRO,asrmicro-snd-card", },
    {}
};
MODULE_DEVICE_TABLE(of, pxa_es8311_dt_ids);

static int pxa_es8311_probe(struct platform_device *pdev)
{
    int ret;
    struct snd_soc_card *card = &pxa_es8311_card;

    pr_pm_debug(KERN_INFO"[8311 card probe: begin] %s/L%d.\n", __FUNCTION__, __LINE__);
    
      printk("--->%s/L%d\n", __FUNCTION__, __LINE__);
    card->dev = &pdev->dev;

    ret = devm_snd_soc_register_card(&pdev->dev, card);
    //if (ret)
        //dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", ret);

    pr_pm_debug(KERN_INFO"[8311 card probe: end] %s/L%d.\n", __FUNCTION__, __LINE__);

    return ret;
}

static struct platform_driver pxa_es8311_driver = {
    .driver		= {
        .name	= "pxa-es8311-platform",
        .of_match_table = pxa_es8311_dt_ids,
        .pm     = &snd_soc_pm_ops,
    },
    .probe	= pxa_es8311_probe,
};

module_platform_driver(pxa_es8311_driver);

/* Module information */
MODULE_AUTHOR("wenchen@asrmicro.com");
MODULE_DESCRIPTION("ALSA SoC TTC DKB");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pxa-es8311-dkb-voice");