LXR linux/sound/soc/txx9/txx9aclc-generic.c

   1/*
   2 * Generic TXx9 ACLC machine driver
   3 *
   4 * Copyright (C) 2009 Atsushi Nemoto
   5 *
   6 * Based on RBTX49xx patch from CELF patch archive.
   7 * (C) Copyright TOSHIBA CORPORATION 2004-2006
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License version 2 as
  11 * published by the Free Software Foundation.
  12 *
  13 * This is a very generic AC97 sound machine driver for boards which
  14 * have (AC97) audio at ACLC (e.g. RBTX49XX boards).
  15 */
  16
  17#include <linux/module.h>
  18#include <linux/platform_device.h>
  19#include <sound/core.h>
  20#include <sound/pcm.h>
  21#include <sound/soc.h>
  22#include "../codecs/ac97.h"
  23#include "txx9aclc.h"
  24
  25static struct snd_soc_dai_link txx9aclc_generic_dai = {
  26        .name = "AC97",
  27        .stream_name = "AC97 HiFi",
  28        .cpu_dai = &txx9aclc_ac97_dai,
  29        .codec_dai = &ac97_dai,
  30};
  31
  32static struct snd_soc_card txx9aclc_generic_card = {
  33        .name           = "Generic TXx9 ACLC Audio",
  34        .platform       = &txx9aclc_soc_platform,
  35        .dai_link       = &txx9aclc_generic_dai,
  36        .num_links      = 1,
  37};
  38
  39static struct txx9aclc_soc_device txx9aclc_generic_soc_device = {
  40        .soc_dev = {
  41                .card           = &txx9aclc_generic_card,
  42                .codec_dev      = &soc_codec_dev_ac97,
  43        },
  44};
  45
  46static int __init txx9aclc_generic_probe(struct platform_device *pdev)
  47{
  48        struct txx9aclc_soc_device *dev = &txx9aclc_generic_soc_device;
  49        struct platform_device *soc_pdev;
  50        int ret;
  51
  52        soc_pdev = platform_device_alloc("soc-audio", -1);
  53        if (!soc_pdev)
  54                return -ENOMEM;
  55        platform_set_drvdata(soc_pdev, &dev->soc_dev);
  56        dev->soc_dev.dev = &soc_pdev->dev;
  57        ret = platform_device_add(soc_pdev);
  58        if (ret) {
  59                platform_device_put(soc_pdev);
  60                return ret;
  61        }
  62        platform_set_drvdata(pdev, soc_pdev);
  63        return 0;
  64}
  65
  66static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
  67{
  68        struct platform_device *soc_pdev = platform_get_drvdata(pdev);
  69
  70        platform_device_unregister(soc_pdev);
  71        return 0;
  72}
  73
  74static struct platform_driver txx9aclc_generic_driver = {
  75        .remove = txx9aclc_generic_remove,
  76        .driver = {
  77                .name = "txx9aclc-generic",
  78                .owner = THIS_MODULE,
  79        },
  80};
  81
  82static int __init txx9aclc_generic_init(void)
  83{
  84        return platform_driver_probe(&txx9aclc_generic_driver,
  85                                     txx9aclc_generic_probe);
  86}
  87
  88static void __exit txx9aclc_generic_exit(void)
  89{
  90        platform_driver_unregister(&txx9aclc_generic_driver);
  91}
  92
  93module_init(txx9aclc_generic_init);
  94module_exit(txx9aclc_generic_exit);
  95
  96MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
  97MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
  98MODULE_LICENSE("GPL");
  99