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_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_preallocate_dma_buffer(struct snd_pcm *pcm);
  23extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
  24                              struct snd_soc_pcm_runtime *rtd);
  25extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
  26                               struct snd_pcm_substream *substream);
  27extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
  28                                struct snd_pcm_substream *substream);
  29extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
  30                                    struct snd_pcm_substream *substream,
  31                                    struct snd_pcm_hw_params *params);
  32extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
  33                                  struct snd_pcm_substream *substream);
  34extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
  35                                  struct snd_pcm_substream *substream, int cmd);
  36extern snd_pcm_uframes_t
  37pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
  38                       struct snd_pcm_substream *substream);
  39
  40/* AC97 */
  41
  42extern int pxa2xx_ac97_read(int slot, unsigned short reg);
  43extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
  44
  45extern bool pxa2xx_ac97_try_warm_reset(void);
  46extern bool pxa2xx_ac97_try_cold_reset(void);
  47extern void pxa2xx_ac97_finish_reset(void);
  48
  49extern int pxa2xx_ac97_hw_suspend(void);
  50extern int pxa2xx_ac97_hw_resume(void);
  51
  52extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
  53extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
  54
  55#endif
  56