LXR linux/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
  28#include "mpc5200_dma.h"
  29#include "mpc5200_psc_ac97.h"
  30#include "../codecs/wm9712.h"
  31
  32#define DRV_NAME "pcm030-audio-fabric"
  33
  34static struct snd_soc_card card;
  35
  36static struct snd_soc_dai_link pcm030_fabric_dai[] = {
  37{
  38        .name = "AC97",
  39        .stream_name = "AC97 Analog",
  40        .codec_dai_name = "wm9712-hifi",
  41        .cpu_dai_name = "mpc5200-psc-ac97.0",
  42        .platform_name = "mpc5200-pcm-audio",
  43        .codec_name = "wm9712-codec",
  44},
  45{
  46        .name = "AC97",
  47        .stream_name = "AC97 IEC958",
  48        .codec_dai_name = "wm9712-aux",
  49        .cpu_dai_name = "mpc5200-psc-ac97.1",
  50        .platform_name = "mpc5200-pcm-audio",
  51        .codec_name = "wm9712-codec",
  52},
  53};
  54
  55static __init int pcm030_fabric_init(void)
  56{
  57        struct platform_device *pdev;
  58        int rc;
  59
  60        if (!of_machine_is_compatible("phytec,pcm030"))
  61                return -ENODEV;
  62
  63
  64        card.name = "pcm030";
  65        card.dai_link = pcm030_fabric_dai;
  66        card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
  67
  68        pdev = platform_device_alloc("soc-audio", 1);
  69        if (!pdev) {
  70                pr_err("pcm030_fabric_init: platform_device_alloc() failed\n");
  71                return -ENODEV;
  72        }
  73
  74        platform_set_drvdata(pdev, &card);
  75
  76        rc = platform_device_add(pdev);
  77        if (rc) {
  78                pr_err("pcm030_fabric_init: platform_device_add() failed\n");
  79                platform_device_put(pdev);
  80                return -ENODEV;
  81        }
  82        return 0;
  83}
  84
  85module_init(pcm030_fabric_init);
  86
  87
  88MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
  89MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
  90MODULE_LICENSE("GPL");
  91
  92