/*

   * DB1200/DB1300/DB1550 ASoC audio fabric support code.

   *

   * (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>

   *
   */
  
  #include <linux/module.h>
  #include <linux/moduleparam.h>
  #include <linux/timer.h>
  #include <linux/interrupt.h>
  #include <linux/platform_device.h>
  #include <sound/core.h>
  #include <sound/pcm.h>
  #include <sound/soc.h>

  #include <asm/mach-au1x00/au1000.h>
  #include <asm/mach-au1x00/au1xxx_psc.h>
  #include <asm/mach-au1x00/au1xxx_dbdma.h>
  #include <asm/mach-db1x00/bcsr.h>

  #include "../codecs/wm8731.h"
  #include "psc.h"

  static struct platform_device_id db1200_pids[] = {
  	{
  		.name		= "db1200-ac97",
  		.driver_data	= 0,
  	}, {
  		.name		= "db1200-i2s",
  		.driver_data	= 1,

  	}, {
  		.name		= "db1300-ac97",
  		.driver_data	= 2,
  	}, {
  		.name		= "db1300-i2s",
  		.driver_data	= 3,

  	}, {
  		.name		= "db1550-ac97",
  		.driver_data	= 4,
  	}, {
  		.name		= "db1550-i2s",
  		.driver_data	= 5,

  	},
  	{},
  };

  /*-------------------------  AC97 PART  ---------------------------*/
  
  static struct snd_soc_dai_link db1200_ac97_dai = {
  	.name		= "AC97",
  	.stream_name	= "AC97 HiFi",

  	.codec_dai_name	= "ac97-hifi",

  	.cpu_dai_name	= "au1xpsc_ac97.1",
  	.platform_name	= "au1xpsc-pcm.1",
  	.codec_name	= "ac97-codec.1",

  };
  
  static struct snd_soc_card db1200_ac97_machine = {
  	.name		= "DB1200_AC97",

  	.owner		= THIS_MODULE,

  	.dai_link	= &db1200_ac97_dai,
  	.num_links	= 1,

  };

  static struct snd_soc_dai_link db1300_ac97_dai = {
  	.name		= "AC97",
  	.stream_name	= "AC97 HiFi",
  	.codec_dai_name	= "wm9712-hifi",
  	.cpu_dai_name	= "au1xpsc_ac97.1",
  	.platform_name	= "au1xpsc-pcm.1",
  	.codec_name	= "wm9712-codec.1",
  };
  
  static struct snd_soc_card db1300_ac97_machine = {
  	.name		= "DB1300_AC97",
  	.dai_link	= &db1300_ac97_dai,
  	.num_links	= 1,
  };

  static struct snd_soc_card db1550_ac97_machine = {
  	.name		= "DB1550_AC97",
  	.dai_link	= &db1200_ac97_dai,
  	.num_links	= 1,
  };

  /*-------------------------  I2S PART  ---------------------------*/
  
  static int db1200_i2s_startup(struct snd_pcm_substream *substream)
  {
  	struct snd_soc_pcm_runtime *rtd = substream->private_data;

  	struct snd_soc_dai *codec_dai = rtd->codec_dai;
  	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;

  	int ret;
  
  	/* WM8731 has its own 12MHz crystal */

  	snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,

  				12000000, SND_SOC_CLOCK_IN);
  
  	/* codec is bitclock and lrclk master */
  	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_LEFT_J |
  			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
  	if (ret < 0)
  		goto out;
  
  	ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_LEFT_J |
  			SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBM_CFM);
  	if (ret < 0)
  		goto out;
  
  	ret = 0;
  out:
  	return ret;
  }
  
  static struct snd_soc_ops db1200_i2s_wm8731_ops = {
  	.startup	= db1200_i2s_startup,
  };
  
  static struct snd_soc_dai_link db1200_i2s_dai = {
  	.name		= "WM8731",
  	.stream_name	= "WM8731 PCM",

  	.codec_dai_name	= "wm8731-hifi",
  	.cpu_dai_name	= "au1xpsc_i2s.1",
  	.platform_name	= "au1xpsc-pcm.1",

  	.codec_name	= "wm8731.0-001b",

  	.ops		= &db1200_i2s_wm8731_ops,
  };
  
  static struct snd_soc_card db1200_i2s_machine = {
  	.name		= "DB1200_I2S",

  	.owner		= THIS_MODULE,

  	.dai_link	= &db1200_i2s_dai,
  	.num_links	= 1,

  };

  static struct snd_soc_dai_link db1300_i2s_dai = {
  	.name		= "WM8731",
  	.stream_name	= "WM8731 PCM",
  	.codec_dai_name	= "wm8731-hifi",
  	.cpu_dai_name	= "au1xpsc_i2s.2",
  	.platform_name	= "au1xpsc-pcm.2",
  	.codec_name	= "wm8731.0-001b",
  	.ops		= &db1200_i2s_wm8731_ops,
  };
  
  static struct snd_soc_card db1300_i2s_machine = {
  	.name		= "DB1300_I2S",
  	.dai_link	= &db1300_i2s_dai,
  	.num_links	= 1,
  };

  static struct snd_soc_dai_link db1550_i2s_dai = {
  	.name		= "WM8731",
  	.stream_name	= "WM8731 PCM",
  	.codec_dai_name	= "wm8731-hifi",
  	.cpu_dai_name	= "au1xpsc_i2s.3",
  	.platform_name	= "au1xpsc-pcm.3",
  	.codec_name	= "wm8731.0-001b",
  	.ops		= &db1200_i2s_wm8731_ops,
  };
  
  static struct snd_soc_card db1550_i2s_machine = {
  	.name		= "DB1550_I2S",
  	.dai_link	= &db1550_i2s_dai,
  	.num_links	= 1,
  };

  /*-------------------------  COMMON PART  ---------------------------*/

  static struct snd_soc_card *db1200_cards[] __devinitdata = {
  	&db1200_ac97_machine,
  	&db1200_i2s_machine,

  	&db1300_ac97_machine,
  	&db1300_i2s_machine,

  	&db1550_ac97_machine,
  	&db1550_i2s_machine,

  };

  static int __devinit db1200_audio_probe(struct platform_device *pdev)

  {

  	const struct platform_device_id *pid = platform_get_device_id(pdev);
  	struct snd_soc_card *card;

  	card = db1200_cards[pid->driver_data];
  	card->dev = &pdev->dev;
  	return snd_soc_register_card(card);
  }

  static int __devexit db1200_audio_remove(struct platform_device *pdev)
  {
  	struct snd_soc_card *card = platform_get_drvdata(pdev);
  	snd_soc_unregister_card(card);
  	return 0;
  }

  static struct platform_driver db1200_audio_driver = {
  	.driver	= {
  		.name	= "db1200-ac97",
  		.owner	= THIS_MODULE,
  		.pm	= &snd_soc_pm_ops,
  	},
  	.id_table	= db1200_pids,
  	.probe		= db1200_audio_probe,
  	.remove		= __devexit_p(db1200_audio_remove),
  };

  module_platform_driver(db1200_audio_driver);

  
  MODULE_LICENSE("GPL");

  MODULE_DESCRIPTION("DB1200/DB1300/DB1550 ASoC audio support");

  MODULE_AUTHOR("Manuel Lauss");