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 "txx9aclc.h"
  23
  24static struct snd_soc_dai_link txx9aclc_generic_dai = {
  25        .name = "AC97",
  26        .stream_name = "AC97 HiFi",
  27        .cpu_dai_name = "txx9aclc-ac97",
  28        .codec_dai_name = "ac97-hifi",
  29        .platform_name  = "txx9aclc-pcm-audio",
  30        .codec_name     = "ac97-codec",
  31};
  32
  33static struct snd_soc_card txx9aclc_generic_card = {
  34        .name           = "Generic TXx9 ACLC Audio",
  35        .owner          = THIS_MODULE,
  36        .dai_link       = &txx9aclc_generic_dai,
  37        .num_links      = 1,
  38};
  39
  40static struct platform_device *soc_pdev;
  41
  42static int __init txx9aclc_generic_probe(struct platform_device *pdev)
  43{
  44        int ret;
  45
  46        soc_pdev = platform_device_alloc("soc-audio", -1);
  47        if (!soc_pdev)
  48                return -ENOMEM;
  49        platform_set_drvdata(soc_pdev, &txx9aclc_generic_card);
  50        ret = platform_device_add(soc_pdev);
  51        if (ret) {
  52                platform_device_put(soc_pdev);
  53                return ret;
  54        }
  55
  56        return 0;
  57}
  58
  59static int __exit txx9aclc_generic_remove(struct platform_device *pdev)
  60{
  61        platform_device_unregister(soc_pdev);
  62        return 0;
  63}
  64
  65static struct platform_driver txx9aclc_generic_driver = {
  66        .remove = __exit_p(txx9aclc_generic_remove),
  67        .driver = {
  68                .name = "txx9aclc-generic",
  69                .owner = THIS_MODULE,
  70        },
  71};
  72
  73static int __init txx9aclc_generic_init(void)
  74{
  75        return platform_driver_probe(&txx9aclc_generic_driver,
  76                                     txx9aclc_generic_probe);
  77}
  78
  79static void __exit txx9aclc_generic_exit(void)
  80{
  81        platform_driver_unregister(&txx9aclc_generic_driver);
  82}
  83
  84module_init(txx9aclc_generic_init);
  85module_exit(txx9aclc_generic_exit);
  86
  87MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
  88MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
  89MODULE_LICENSE("GPL");
  90MODULE_ALIAS("platform:txx9aclc-generic");
  91