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
  25 static 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
  32 static 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
  39 static 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
  46 static 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
  66 static 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
  74 static struct platform_driver txx9aclc_generic_driver = {
  75         .remove = txx9aclc_generic_remove,
  76         .driver = {
  77                 .name = "txx9aclc-generic",
  78                 .owner = THIS_MODULE,
  79         },
  80 };
  81
  82 static int __init txx9aclc_generic_init(void)
  83 {
  84         return platform_driver_probe(&txx9aclc_generic_driver,
  85                                      txx9aclc_generic_probe);
  86 }
  87
  88 static void __exit txx9aclc_generic_exit(void)
  89 {
  90         platform_driver_unregister(&txx9aclc_generic_driver);
  91 }
  92
  93 module_init(txx9aclc_generic_init);
  94 module_exit(txx9aclc_generic_exit);
  95
  96 MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
  97 MODULE_DESCRIPTION("Generic TXx9 ACLC ALSA SoC audio driver");
  98 MODULE_LICENSE("GPL");