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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef PXA2XX_LIB_H #define PXA2XX_LIB_H #include <uapi/sound/asound.h> #include <linux/platform_device.h> /* PCM */ struct snd_pcm_substream; struct snd_pcm_hw_params; struct snd_soc_pcm_runtime; struct snd_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); extern int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd); extern const struct snd_pcm_ops pxa2xx_pcm_ops; /* AC97 */ extern int pxa2xx_ac97_read(int slot, unsigned short reg); extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val); extern bool pxa2xx_ac97_try_warm_reset(void); extern bool pxa2xx_ac97_try_cold_reset(void); extern void pxa2xx_ac97_finish_reset(void); 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