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9c636342 DB |
1 | #ifndef PXA2XX_LIB_H |
2 | #define PXA2XX_LIB_H | |
3 | ||
4 | #include <linux/platform_device.h> | |
5 | #include <sound/ac97_codec.h> | |
6 | ||
a6d77317 DB |
7 | /* PCM */ |
8 | ||
9 | struct 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 | ||
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); | |
20 | extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream); | |
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 | ||
9c636342 DB |
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 |