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pxa2xx-lib.h

pxa2xx-lib.h 2.3 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 */
    2. 

  2. #ifndef PXA2XX_LIB_H
    3. 

  3. #define PXA2XX_LIB_H
    4. 

  4. 

  5. #include <uapi/sound/asound.h>
    6. 

  6. #include <linux/platform_device.h>
    7. 

  7. 

  8. /* PCM */
    9. 

  9. struct snd_pcm_substream;
    10. 

  10. struct snd_pcm_hw_params;
    11. 

  11. struct snd_soc_pcm_runtime;
    12. 

  12. struct snd_pcm;
    13. 

  13. struct snd_soc_component;
    14. 

  14. 

  15. extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
    16. 

  16. 				struct snd_pcm_hw_params *params);
    17. 

  17. extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
    18. 

  18. extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
    19. 

  19. extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
    20. 

  20. extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream);
    21. 

  21. extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream);
    22. 

  22. extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm);
    23. 

  23. extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
    24. 

  24. 			      struct snd_soc_pcm_runtime *rtd);
    25. 

  25. extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
    26. 

  26. 			       struct snd_pcm_substream *substream);
    27. 

  27. extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
    28. 

  28. 				struct snd_pcm_substream *substream);
    29. 

  29. extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
    30. 

  30. 				    struct snd_pcm_substream *substream,
    31. 

  31. 				    struct snd_pcm_hw_params *params);
    32. 

  32. extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
    33. 

  33. 				  struct snd_pcm_substream *substream);
    34. 

  34. extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
    35. 

  35. 				  struct snd_pcm_substream *substream, int cmd);
    36. 

  36. extern snd_pcm_uframes_t
    37. 

  37. pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
    38. 

  38. 		       struct snd_pcm_substream *substream);
    39. 

  39. 

  40. /* AC97 */
    41. 

  41. 

  42. extern int pxa2xx_ac97_read(int slot, unsigned short reg);
    43. 

  43. extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
    44. 

  44. 

  45. extern bool pxa2xx_ac97_try_warm_reset(void);
    46. 

  46. extern bool pxa2xx_ac97_try_cold_reset(void);
    47. 

  47. extern void pxa2xx_ac97_finish_reset(void);
    48. 

  48. 

  49. extern int pxa2xx_ac97_hw_suspend(void);
    50. 

  50. extern int pxa2xx_ac97_hw_resume(void);
    51. 

  51. 

  52. extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
    53. 

  53. extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
    54. 

  54. 

  55. /* modem registers, used by touchscreen driver */
    56. 

  56. u32 pxa2xx_ac97_read_modr(void);
    57. 

  57. u32 pxa2xx_ac97_read_misr(void);
    58. 

  58. 

  59. #endif
    60.