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

 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
 
 
 
 
 
 
 
 9extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
10				struct snd_pcm_hw_params *params);
11extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
12extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
13extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
14extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
15extern void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id);
16extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
17extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
18extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
19	struct vm_area_struct *vma);
20extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
21extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
22
23/* AC97 */
24
25extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
26extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
27
28extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
29extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
30extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
31
32extern int pxa2xx_ac97_hw_suspend(void);
33extern int pxa2xx_ac97_hw_resume(void);
34
35extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
36extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
37
38#endif