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txx9aclc-generic.c

/*
 * Generic TXx9 ACLC machine driver
 *
 * Copyright (C) 2009 Atsushi Nemoto
 *
 * Based on RBTX49xx patch from CELF patch archive.
 * (C) Copyright TOSHIBA CORPORATION 2004-2006
 *
 * 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.
 *
 * This is a very generic AC97 sound machine driver for boards which
 * have (AC97) audio at ACLC (e.g. RBTX49XX boards).
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include "../codecs/ac97.h"
#include "txx9aclc.h"

static struct snd_soc_dai_link txx9aclc_generic_dai = {
      .name = "AC97",
      .stream_name = "AC97 HiFi",
      .cpu_dai = &txx9aclc_ac97_dai,
      .codec_dai = &ac97_dai,
};

static struct snd_soc_card txx9aclc_generic_card = {
      .name       = "Generic TXx9 ACLC Audio",
      .platform   = &txx9aclc_soc_platform,
      .dai_link   = &txx9aclc_generic_dai,
      .num_links  = 1,
};

static struct txx9aclc_soc_device txx9aclc_generic_soc_device = {
      .soc_dev = {
            .card       = &txx9aclc_generic_card,
            .codec_dev  = &soc_codec_dev_ac97,
      },
};

static int __init txx9aclc_generic_probe(struct platform_device *pdev)
{
      struct txx9aclc_soc_device *dev = &txx9aclc_generic_soc_device;
      struct platform_device *soc_pdev;
      int ret;

      soc_pdev = platform_device_alloc("soc-audio", -1);
      if (!soc_pdev)
            return -ENOMEM;
      platform_set_drvdata(soc_pdev, &dev->soc_dev);
      dev->soc_dev.dev = &soc_pdev->dev;
      ret = platform_device_add(soc_pdev);
      if (ret) {
            platform_device_put(soc_pdev);
            return ret;
      }
      platform_set_drvdata(pdev, soc_pdev);
      return 0;
}

static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
{
      struct platform_device *soc_pdev = platform_get_drvdata(pdev);

      platform_device_unregister(soc_pdev);
      return 0;
}

static struct platform_driver txx9aclc_generic_driver = {
      .remove = txx9aclc_generic_remove,
      .driver = {
            .name = "txx9aclc-generic",
            .owner = THIS_MODULE,
      },
};

static int __init txx9aclc_generic_init(void)
{
      return platform_driver_probe(&txx9aclc_generic_driver,
                             txx9aclc_generic_probe);
}

static void __exit txx9aclc_generic_exit(void)
{
      platform_driver_unregister(&txx9aclc_generic_driver);
}

module_init(txx9aclc_generic_init);
module_exit(txx9aclc_generic_exit);

MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
MODULE_LICENSE("GPL");

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