#ifndef PXA2XX_LIB_H
#define PXA2XX_LIB_H

#include <linux/platform_device.h>
#include <sound/ac97_codec.h>

/* PCM */

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 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
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