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android_kernel_...
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sound
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soc
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meson
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aiu-fifo.h

aiu-fifo.h 1.5 KB
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  1. /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
    2. 

  2. /*
    3. 

  3.  * Copyright (c) 2020 BayLibre, SAS.
    4. 

  4.  * Author: Jerome Brunet <[email protected]>
    5. 

  5.  */
    6. 

  6. 

  7. #ifndef _MESON_AIU_FIFO_H
    8. 

  8. #define _MESON_AIU_FIFO_H
    9. 

  9. 

  10. struct snd_pcm_hardware;
    11. 

  11. struct snd_soc_component_driver;
    12. 

  12. struct snd_soc_dai_driver;
    13. 

  13. struct clk;
    14. 

  14. struct snd_pcm_ops;
    15. 

  15. struct snd_pcm_substream;
    16. 

  16. struct snd_soc_dai;
    17. 

  17. struct snd_pcm_hw_params;
    18. 

  18. struct platform_device;
    19. 

  19. 

  20. struct aiu_fifo {
    21. 

  21. 	struct snd_pcm_hardware *pcm;
    22. 

  22. 	unsigned int mem_offset;
    23. 

  23. 	unsigned int fifo_block;
    24. 

  24. 	struct clk *pclk;
    25. 

  25. 	int irq;
    26. 

  26. };
    27. 

  27. 

  28. int aiu_fifo_dai_probe(struct snd_soc_dai *dai);
    29. 

  29. int aiu_fifo_dai_remove(struct snd_soc_dai *dai);
    30. 

  30. 

  31. snd_pcm_uframes_t aiu_fifo_pointer(struct snd_soc_component *component,
    32. 

  32. 				   struct snd_pcm_substream *substream);
    33. 

  33. 

  34. int aiu_fifo_trigger(struct snd_pcm_substream *substream, int cmd,
    35. 

  35. 		     struct snd_soc_dai *dai);
    36. 

  36. int aiu_fifo_prepare(struct snd_pcm_substream *substream,
    37. 

  37. 		     struct snd_soc_dai *dai);
    38. 

  38. int aiu_fifo_hw_params(struct snd_pcm_substream *substream,
    39. 

  39. 		       struct snd_pcm_hw_params *params,
    40. 

  40. 		       struct snd_soc_dai *dai);
    41. 

  41. int aiu_fifo_hw_free(struct snd_pcm_substream *substream,
    42. 

  42. 		     struct snd_soc_dai *dai);
    43. 

  43. int aiu_fifo_startup(struct snd_pcm_substream *substream,
    44. 

  44. 		     struct snd_soc_dai *dai);
    45. 

  45. void aiu_fifo_shutdown(struct snd_pcm_substream *substream,
    46. 

  46. 		       struct snd_soc_dai *dai);
    47. 

  47. int aiu_fifo_pcm_new(struct snd_soc_pcm_runtime *rtd,
    48. 

  48. 		     struct snd_soc_dai *dai);
    49. 

  49. 

  50. #endif /* _MESON_AIU_FIFO_H */
    51.