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pxa2xx-lib.h
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1 #ifndef PXA2XX_LIB_H
2 #define PXA2XX_LIB_H
3 
5 #include <sound/ac97_codec.h>
6 
7 /* PCM */
8 
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 
16 extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
17  struct snd_pcm_hw_params *params);
18 extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
19 extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
21 extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
22 extern void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id);
23 extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
24 extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
25 extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
26  struct vm_area_struct *vma);
27 extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
28 extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
29 
30 /* AC97 */
31 
32 extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
33 extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
34 
35 extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
36 extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
37 extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
38 
39 extern int pxa2xx_ac97_hw_suspend(void);
40 extern int pxa2xx_ac97_hw_resume(void);
41 
42 extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
43 extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
44 
45 #endif