pxa2xx-lib.h 2.3 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859
  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef PXA2XX_LIB_H
  3. #define PXA2XX_LIB_H
  4. #include <uapi/sound/asound.h>
  5. #include <linux/platform_device.h>
  6. /* PCM */
  7. struct snd_pcm_substream;
  8. struct snd_pcm_hw_params;
  9. struct snd_soc_pcm_runtime;
  10. struct snd_pcm;
  11. struct snd_soc_component;
  12. extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
  13. struct snd_pcm_hw_params *params);
  14. extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
  15. extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
  16. extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
  17. extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream);
  18. extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream);
  19. extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm);
  20. extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
  21. struct snd_soc_pcm_runtime *rtd);
  22. extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
  23. struct snd_pcm_substream *substream);
  24. extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
  25. struct snd_pcm_substream *substream);
  26. extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
  27. struct snd_pcm_substream *substream,
  28. struct snd_pcm_hw_params *params);
  29. extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
  30. struct snd_pcm_substream *substream);
  31. extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
  32. struct snd_pcm_substream *substream, int cmd);
  33. extern snd_pcm_uframes_t
  34. pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
  35. struct snd_pcm_substream *substream);
  36. /* AC97 */
  37. extern int pxa2xx_ac97_read(int slot, unsigned short reg);
  38. extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
  39. extern bool pxa2xx_ac97_try_warm_reset(void);
  40. extern bool pxa2xx_ac97_try_cold_reset(void);
  41. extern void pxa2xx_ac97_finish_reset(void);
  42. extern int pxa2xx_ac97_hw_suspend(void);
  43. extern int pxa2xx_ac97_hw_resume(void);
  44. extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
  45. extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
  46. /* modem registers, used by touchscreen driver */
  47. u32 pxa2xx_ac97_read_modr(void);
  48. u32 pxa2xx_ac97_read_misr(void);
  49. #endif