Root/include/sound/pxa2xx-lib.h

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
39

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