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;
  13
  14extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
  15                                struct snd_pcm_hw_params *params);
  16extern int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
  17extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
  18extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
  19extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
  20extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream);
  21extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream);
  22extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
  23        struct vm_area_struct *vma);
  24extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
  25extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
  26extern int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd);
  27extern const struct snd_pcm_ops pxa2xx_pcm_ops;
  28
  29/* AC97 */
  30
  31extern int pxa2xx_ac97_read(int slot, unsigned short reg);
  32extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
  33
  34extern bool pxa2xx_ac97_try_warm_reset(void);
  35extern bool pxa2xx_ac97_try_cold_reset(void);
  36extern void pxa2xx_ac97_finish_reset(void);
  37
  38extern int pxa2xx_ac97_hw_suspend(void);
  39extern int pxa2xx_ac97_hw_resume(void);
  40
  41extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
  42extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
  43
  44#endif
  45