46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
|
#ifndef PXA2XX_LIB_H
|
||
|
|
#define PXA2XX_LIB_H
|
||
|
|
|
||
|
|
#include <linux/platform_device.h>
|
||
|
|
#include <sound/ac97_codec.h>
|
||
|
|
|
||
|
|
/* PCM */
|
||
|
|
|
||
|
|
struct pxa2xx_pcm_dma_params {
|
||
|
|
char *name; /* stream identifier */
|
||
|
|
u32 dcmd; /* DMA descriptor dcmd field */
|
||
|
|
volatile u32 *drcmr; /* the DMA request channel to use */
|
||
|
|
u32 dev_addr; /* device physical address for DMA */
|
||
|
|
};
|
||
|
|
|
||
|
|
extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
|
||
|
|
struct snd_pcm_hw_params *params);
|
||
|
|
extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
|
||
|
|
extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
|
||
|
|
extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
|
||
|
|
extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
|
||
|
|
extern void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id);
|
||
|
|
extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
|
||
|
|
extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
|
||
|
|
extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
|
||
|
|
struct vm_area_struct *vma);
|
||
|
|
extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
|
||
|
|
extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
|
||
|
|
|
||
|
|
/* AC97 */
|
||
|
|
|
||
|
|
extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
|
||
|
|
extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
|
||
|
|
|
||
|
|
extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
|
||
|
|
extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
|
||
|
|
extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
|
||
|
|
|
||
|
|
extern int pxa2xx_ac97_hw_suspend(void);
|
||
|
|
extern int pxa2xx_ac97_hw_resume(void);
|
||
|
|
|
||
|
|
extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
|
||
|
|
extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
|
||
|
|
|
||
|
|
#endif
|