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6f8acad646
All pxa library functions don't use the input parameters for nothing but slot number. This simplifies their prototypes, and makes them usable by both the legacy ac97 bus and the new ac97 bus. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Mark Brown <broonie@kernel.org>
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
#ifndef PXA2XX_LIB_H
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#define PXA2XX_LIB_H
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#include <uapi/sound/asound.h>
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#include <linux/platform_device.h>
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/* PCM */
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struct snd_pcm_substream;
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struct snd_pcm_hw_params;
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struct snd_pcm;
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extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params);
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extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
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extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
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extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
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extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
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extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
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extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
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extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
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struct vm_area_struct *vma);
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extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
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extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
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/* AC97 */
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extern int pxa2xx_ac97_read(int slot, unsigned short reg);
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extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
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extern bool pxa2xx_ac97_try_warm_reset(void);
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extern bool pxa2xx_ac97_try_cold_reset(void);
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extern void pxa2xx_ac97_finish_reset(void);
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extern int pxa2xx_ac97_hw_suspend(void);
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extern int pxa2xx_ac97_hw_resume(void);
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extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
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extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
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#endif
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