sound/soc/ux500/mop500.c

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2012
   3  *
   4  * Author: Ola Lilja (ola.o.lilja@stericsson.com)
   5  *         for ST-Ericsson.
   6  *
   7  * License terms:
   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 published
  11  * by the Free Software Foundation.
  12  */
  13
  14 #include <asm/mach-types.h>
  15
  16 #include <linux/module.h>
  17 #include <linux/io.h>
  18 #include <linux/spi/spi.h>
  19
  20 #include <sound/soc.h>
  21 #include <sound/initval.h>
  22
  23 #include "ux500_pcm.h"
  24 #include "ux500_msp_dai.h"
  25
  26 #include <mop500_ab8500.h>
  27
  28 /* Define the whole MOP500 soundcard, linking platform to the codec-drivers  */
  29 struct snd_soc_dai_link mop500_dai_links[] = {
  30         {
  31                 .name = "ab8500_0",
  32                 .stream_name = "ab8500_0",
  33                 .cpu_dai_name = "ux500-msp-i2s.1",
  34                 .codec_dai_name = "ab8500-codec-dai.0",
  35                 .platform_name = "ux500-pcm.0",
  36                 .codec_name = "ab8500-codec.0",
  37                 .init = mop500_ab8500_machine_init,
  38                 .ops = mop500_ab8500_ops,
  39         },
  40         {
  41                 .name = "ab8500_1",
  42                 .stream_name = "ab8500_1",
  43                 .cpu_dai_name = "ux500-msp-i2s.3",
  44                 .codec_dai_name = "ab8500-codec-dai.1",
  45                 .platform_name = "ux500-pcm.0",
  46                 .codec_name = "ab8500-codec.0",
  47                 .init = NULL,
  48                 .ops = mop500_ab8500_ops,
  49         },
  50 };
  51
  52 static struct snd_soc_card mop500_card = {
  53         .name = "MOP500-card",
  54         .probe = NULL,
  55         .dai_link = mop500_dai_links,
  56         .num_links = ARRAY_SIZE(mop500_dai_links),
  57 };
  58
  59 static int __devinit mop500_probe(struct platform_device *pdev)
  60 {
  61         int ret;
  62
  63         pr_debug("%s: Enter.\n", __func__);
  64
  65         dev_dbg(&pdev->dev, "%s: Enter.\n", __func__);
  66
  67         mop500_card.dev = &pdev->dev;
  68
  69         dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n",
  70                 __func__, mop500_card.name);
  71         platform_set_drvdata(pdev, &mop500_card);
  72
  73         snd_soc_card_set_drvdata(&mop500_card, NULL);
  74
  75         dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n",
  76                 __func__, mop500_card.name, mop500_card.num_links);
  77         dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n",
  78                 __func__, mop500_card.name, mop500_card.dai_link[0].name);
  79         dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n",
  80                 __func__, mop500_card.name,
  81                 mop500_card.dai_link[0].stream_name);
  82
  83         ret = snd_soc_register_card(&mop500_card);
  84         if (ret)
  85                 dev_err(&pdev->dev,
  86                         "Error: snd_soc_register_card failed (%d)!\n",
  87                         ret);
  88
  89         return ret;
  90 }
  91
  92 static int __devexit mop500_remove(struct platform_device *pdev)
  93 {
  94         struct snd_soc_card *mop500_card = platform_get_drvdata(pdev);
  95
  96         pr_debug("%s: Enter.\n", __func__);
  97
  98         snd_soc_unregister_card(mop500_card);
  99         mop500_ab8500_remove(mop500_card);
 100
 101         return 0;
 102 }
 103
 104 static struct platform_driver snd_soc_mop500_driver = {
 105         .driver = {
 106                 .owner = THIS_MODULE,
 107                 .name = "snd-soc-mop500",
 108         },
 109         .probe = mop500_probe,
 110         .remove = __devexit_p(mop500_remove),
 111 };
 112
 113 module_platform_driver(snd_soc_mop500_driver);