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| author | Kevin | 2014-11-15 09:58:27 +0800 |
|---|---|---|
| committer | Kevin | 2014-11-15 09:58:27 +0800 |
| commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
| tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/include/sound/pxa2xx-lib.h | |
| download | FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2 FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip | |
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/include/sound/pxa2xx-lib.h')
| -rw-r--r-- | ANDROID_3.4.5/include/sound/pxa2xx-lib.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/include/sound/pxa2xx-lib.h b/ANDROID_3.4.5/include/sound/pxa2xx-lib.h new file mode 100644 index 00000000..2fd3d251 --- /dev/null +++ b/ANDROID_3.4.5/include/sound/pxa2xx-lib.h @@ -0,0 +1,45 @@ +#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 |