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#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
  35static struct snd_soc_device device;
  36static struct snd_soc_card card;
  37
  38static struct snd_soc_dai_link pcm030_fabric_dai[] = {
  39{
  40        .name = "AC97",
  41        .stream_name = "AC97 Analog",
  42        .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
  43        .cpu_dai = &psc_ac97_dai[MPC5200_AC97_NORMAL],
  44},
  45{
  46        .name = "AC97",
  47        .stream_name = "AC97 IEC958",
  48        .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
  49        .cpu_dai = &psc_ac97_dai[MPC5200_AC97_SPDIF],
  50},
  51};
  52
  53static __init int pcm030_fabric_init(void)
  54{
  55        struct platform_device *pdev;
  56        int rc;
  57
  58        if (!machine_is_compatible("phytec,pcm030"))
  59                return -ENODEV;
  60
  61        card.platform = &mpc5200_audio_dma_platform;
  62        card.name = "pcm030";
  63        card.dai_link = pcm030_fabric_dai;
  64        card.num_links = ARRAY_SIZE(pcm030_fabric_dai);
  65
  66        device.card = &card;
  67        device.codec_dev = &soc_codec_dev_wm9712;
  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, &device);
  76        device.dev = &pdev->dev;
  77
  78        rc = platform_device_add(pdev);
  79        if (rc) {
  80                pr_err("pcm030_fabric_init: platform_device_add() failed\n");
  81                return -ENODEV;
  82        }
  83        return 0;
  84}
  85
  86module_init(pcm030_fabric_init);
  87
  88
  89MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
  90MODULE_DESCRIPTION(DRV_NAME ": mpc5200 pcm030 fabric driver");
  91MODULE_LICENSE("GPL");
  92
  93