linux/include/sound/pxa2xx-lib.h
<<
>>
Prefs
   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
   9struct pxa2xx_pcm_dma_params {
  10        char *name;                     /* stream identifier */
  11        u32 dcmd;                       /* DMA descriptor dcmd field */
  12        volatile u32 *drcmr;            /* the DMA request channel to use */
  13        u32 dev_addr;                   /* device physical address for DMA */
  14};
  15
  16extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
  17                                struct snd_pcm_hw_params *params);
  18extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
  19extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
  20extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
  21extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
  22extern void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id);
  23extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
  24extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
  25extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
  26        struct vm_area_struct *vma);
  27extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
  28extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
  29
  30/* AC97 */
  31
  32extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
  33extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
  34
  35extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
  36extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
  37extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
  38
  39extern int pxa2xx_ac97_hw_suspend(void);
  40extern int pxa2xx_ac97_hw_resume(void);
  41
  42extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
  43extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
  44
  45#endif
  46
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.