pxa2xx-pcm.c 1.2 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
  4. *
  5. * Author: Nicolas Pitre
  6. * Created: Nov 30, 2004
  7. * Copyright: (C) 2004 MontaVista Software, Inc.
  8. */
  9. #include <linux/dma-mapping.h>
  10. #include <linux/module.h>
  11. #include <linux/dmaengine.h>
  12. #include <linux/of.h>
  13. #include <sound/core.h>
  14. #include <sound/soc.h>
  15. #include <sound/pxa2xx-lib.h>
  16. #include <sound/dmaengine_pcm.h>
  17. static const struct snd_soc_component_driver pxa2xx_soc_platform = {
  18. .pcm_construct = pxa2xx_soc_pcm_new,
  19. .open = pxa2xx_soc_pcm_open,
  20. .close = pxa2xx_soc_pcm_close,
  21. .hw_params = pxa2xx_soc_pcm_hw_params,
  22. .prepare = pxa2xx_soc_pcm_prepare,
  23. .trigger = pxa2xx_soc_pcm_trigger,
  24. .pointer = pxa2xx_soc_pcm_pointer,
  25. };
  26. static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
  27. {
  28. return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
  29. NULL, 0);
  30. }
  31. static struct platform_driver pxa_pcm_driver = {
  32. .driver = {
  33. .name = "pxa-pcm-audio",
  34. },
  35. .probe = pxa2xx_soc_platform_probe,
  36. };
  37. module_platform_driver(pxa_pcm_driver);
  38. MODULE_AUTHOR("Nicolas Pitre");
  39. MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
  40. MODULE_LICENSE("GPL");
  41. MODULE_ALIAS("platform:pxa-pcm-audio");