include/sound/pxa2xx-lib.h

   1 #ifndef PXA2XX_LIB_H
   2 #define PXA2XX_LIB_H
   3
   4 #include <linux/platform_device.h>
   5 #include <sound/ac97_codec.h>
   6
   7 /* PCM */
   8
   9 extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
  10                                 struct snd_pcm_hw_params *params);
  11 extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
  12 extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
  13 extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
  14 extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
  15 extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
  16 extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
  17 extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
  18         struct vm_area_struct *vma);
  19 extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
  20 extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
  21
  22 /* AC97 */
  23
  24 extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
  25 extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
  26
  27 extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
  28 extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
  29 extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
  30
  31 extern int pxa2xx_ac97_hw_suspend(void);
  32 extern int pxa2xx_ac97_hw_resume(void);
  33
  34 extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
  35 extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
  36
  37 #endif