LXR linux/include/sound/pxa2xx-lib.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef PXA2XX_LIB_H
   3#define PXA2XX_LIB_H
   4
   5#include <uapi/sound/asound.h>
   6#include <linux/platform_device.h>
   7
   8/* PCM */
   9struct snd_pcm_substream;
  10struct snd_pcm_hw_params;
  11struct snd_soc_pcm_runtime;
  12struct snd_pcm;
  13struct snd_soc_component;
  14
  15extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
  16                                struct snd_pcm_hw_params *params);
  17extern int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
  18extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
  19extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
  20extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
  21extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream);
  22extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream);
  23extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
  24        struct vm_area_struct *vma);
  25extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
  26extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
  27extern void pxa2xx_soc_pcm_free(struct snd_soc_component *component,
  28                                struct snd_pcm *pcm);
  29extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
  30                              struct snd_soc_pcm_runtime *rtd);
  31extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
  32                               struct snd_pcm_substream *substream);
  33extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
  34                                struct snd_pcm_substream *substream);
  35extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
  36                                    struct snd_pcm_substream *substream,
  37                                    struct snd_pcm_hw_params *params);
  38extern int pxa2xx_soc_pcm_hw_free(struct snd_soc_component *component,
  39                                  struct snd_pcm_substream *substream);
  40extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
  41                                  struct snd_pcm_substream *substream);
  42extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
  43                                  struct snd_pcm_substream *substream, int cmd);
  44extern snd_pcm_uframes_t
  45pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
  46                       struct snd_pcm_substream *substream);
  47extern int pxa2xx_soc_pcm_mmap(struct snd_soc_component *component,
  48                               struct snd_pcm_substream *substream,
  49                               struct vm_area_struct *vma);
  50
  51/* AC97 */
  52
  53extern int pxa2xx_ac97_read(int slot, unsigned short reg);
  54extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
  55
  56extern bool pxa2xx_ac97_try_warm_reset(void);
  57extern bool pxa2xx_ac97_try_cold_reset(void);
  58extern void pxa2xx_ac97_finish_reset(void);
  59
  60extern int pxa2xx_ac97_hw_suspend(void);
  61extern int pxa2xx_ac97_hw_resume(void);
  62
  63extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
  64extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
  65
  66#endif
  67