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 <linux/platform_device.h>
   6 #include <sound/ac97_codec.h>
   7
   8 /* PCM */
   9
  10 extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
  11                                 struct snd_pcm_hw_params *params);
  12 extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
  13 extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
  14 extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
  15 extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
  16 extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
  17 extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
  18 extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
  19         struct vm_area_struct *vma);
  20 extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
  21 extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
  22
  23 /* AC97 */
  24
  25 extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
  26 extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
  27
  28 extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
  29 extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
  30 extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
  31
  32 extern int pxa2xx_ac97_hw_suspend(void);
  33 extern int pxa2xx_ac97_hw_resume(void);
  34
  35 extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
  36 extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
  37
  38 #endif