smdk2443_wm9710.c 2.1 KB

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  1. /*
  2. * smdk2443_wm9710.c -- SoC audio for smdk2443
  3. *
  4. * Copyright 2007 Wolfson Microelectronics PLC.
  5. * Author: Graeme Gregory
  6. * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
  7. *
  8. * This program is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License as published by the
  10. * Free Software Foundation; either version 2 of the License, or (at your
  11. * option) any later version.
  12. *
  13. * Revision history
  14. * 8th Mar 2007 Initial version.
  15. *
  16. */
  17. #include <linux/module.h>
  18. #include <linux/device.h>
  19. #include <sound/driver.h>
  20. #include <sound/core.h>
  21. #include <sound/pcm.h>
  22. #include <sound/soc.h>
  23. #include <sound/soc-dapm.h>
  24. #include "../codecs/ac97.h"
  25. #include "s3c24xx-pcm.h"
  26. #include "s3c24xx-ac97.h"
  27. static struct snd_soc_machine smdk2443;
  28. static struct snd_soc_dai_link smdk2443_dai[] = {
  29. {
  30. .name = "AC97",
  31. .stream_name = "AC97 HiFi",
  32. .cpu_dai = &s3c2443_ac97_dai[0],
  33. .codec_dai = &ac97_dai,
  34. },
  35. };
  36. static struct snd_soc_machine smdk2443 = {
  37. .name = "SMDK2443",
  38. .dai_link = smdk2443_dai,
  39. .num_links = ARRAY_SIZE(smdk2443_dai),
  40. };
  41. static struct snd_soc_device smdk2443_snd_ac97_devdata = {
  42. .machine = &smdk2443,
  43. .platform = &s3c24xx_soc_platform,
  44. .codec_dev = &soc_codec_dev_ac97,
  45. };
  46. static struct platform_device *smdk2443_snd_ac97_device;
  47. static int __init smdk2443_init(void)
  48. {
  49. int ret;
  50. smdk2443_snd_ac97_device = platform_device_alloc("soc-audio", -1);
  51. if (!smdk2443_snd_ac97_device)
  52. return -ENOMEM;
  53. platform_set_drvdata(smdk2443_snd_ac97_device,
  54. &smdk2443_snd_ac97_devdata);
  55. smdk2443_snd_ac97_devdata.dev = &smdk2443_snd_ac97_device->dev;
  56. ret = platform_device_add(smdk2443_snd_ac97_device);
  57. if (ret)
  58. platform_device_put(smdk2443_snd_ac97_device);
  59. return ret;
  60. }
  61. static void __exit smdk2443_exit(void)
  62. {
  63. platform_device_unregister(smdk2443_snd_ac97_device);
  64. }
  65. module_init(smdk2443_init);
  66. module_exit(smdk2443_exit);
  67. /* Module information */
  68. MODULE_AUTHOR("Graeme Gregory, graeme.gregory@wolfsonmicro.com, www.wolfsonmicro.com");
  69. MODULE_DESCRIPTION("ALSA SoC WM9710 SMDK2443");
  70. MODULE_LICENSE("GPL");