sound/soc/fsl/pcm030-audio-fabric.c

   1 /*
   2  * Phytec pcm030 driver for the PSC of the Freescale MPC52xx
   3  * configured as AC97 interface
   4  *
   5  * Copyright 2008 Jon Smirl, Digispeaker
   6  * Author: Jon Smirl <jonsmirl@gmail.com>
   7  *
   8  * This file is licensed under the terms of the GNU General Public License
   9  * version 2. This program is licensed "as is" without any warranty of any
  10  * kind, whether express or implied.
  11  */
  12
  13 #include <linux/init.h>
  14 #include <linux/module.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/device.h>
  17 #include <linux/delay.h>
  18 #include <linux/of_device.h>
  19 #include <linux/of_platform.h>
  20 #include <linux/dma-mapping.h>
  21
  22 #include <sound/core.h>
  23 #include <sound/pcm.h>
  24 #include <sound/pcm_params.h>
  25 #include <sound/initval.h>
  26 #include <sound/soc.h>
  27 #include <sound/soc-of-simple.h>
  28
  29 #include "mpc5200_dma.h"
  30 #include "mpc5200_psc_ac97.h"
  31 #include "../codecs/wm9712.h"
  32
  33 #define DRV_NAME "pcm030-audio-fabric"
  34
  35 static struct snd_soc_card card;
  36
  37 static struct snd_soc_dai_link pcm030_fabric_dai[] = {
  38 {
  39         .name = "AC97",
  40         .stream_name = "AC97 Analog",
  41         .codec_dai_name = "wm9712-hifi",
  42         .cpu_dai_name = "mpc5200-psc-ac97.0",
  43         .platform_name = "mpc5200-pcm-audio",
  44         .codec_name = "wm9712-codec",
  45 },
  46 {
  47         .name = "AC97",
  48         .stream_name = "AC97 IEC958",
  49         .codec_dai_name = "wm9712-aux",
  50         .cpu_dai_name = "mpc5200-psc-ac97.1",
  51         .platform_name = "mpc5200-pcm-audio",
  52         ..codec_name = "wm9712-codec",
  53 },
  54 };
  55
  56 static __init int pcm030_fabric_init(void)
  57 {
  58         struct platform_device *pdev;
  59         int rc;
  60
  61         if (!of_machine_is_compatible("phytec,pcm030"))
  62                 return -ENODEV;
  63
  64
  65         card.name = "pcm030";
  66         card.dai_link = pcm030_fabric_dai;
  67         card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
  68
  69         pdev = platform_device_alloc("soc-audio", 1);
  70         if (!pdev) {
  71                 pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");
  72                 return -ENODEV;
  73         }
  74
  75         platform_set_drvdata(pdev, &card);
  76
  77         rc = platform_device_add(pdev);
  78         if (rc) {
  79                 pr_err("pcm030_fabric_init: platform_device_add() failed\n");
  80                 return -ENODEV;
  81         }
  82         return 0;
  83 }
  84
  85 module_init(pcm030_fabric_init);
  86
  87
  88 MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
  89 MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
  90 MODULE_LICENSE("GPL");
  91