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https://github.com/edk2-porting/linux-next.git
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42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#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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