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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef PXA2XX_LIB_H3#define PXA2XX_LIB_H4 5#include <uapi/sound/asound.h>6#include <linux/platform_device.h>7 8/* PCM */9struct snd_pcm_substream;10struct snd_pcm_hw_params;11struct snd_soc_pcm_runtime;12struct snd_pcm;13struct snd_soc_component;14 15extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,16 struct snd_pcm_hw_params *params);17extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);18extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);19extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);20extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream);21extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream);22extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm);23extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,24 struct snd_soc_pcm_runtime *rtd);25extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,26 struct snd_pcm_substream *substream);27extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,28 struct snd_pcm_substream *substream);29extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,30 struct snd_pcm_substream *substream,31 struct snd_pcm_hw_params *params);32extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,33 struct snd_pcm_substream *substream);34extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,35 struct snd_pcm_substream *substream, int cmd);36extern snd_pcm_uframes_t37pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,38 struct snd_pcm_substream *substream);39 40/* AC97 */41 42extern int pxa2xx_ac97_read(int slot, unsigned short reg);43extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);44 45extern bool pxa2xx_ac97_try_warm_reset(void);46extern bool pxa2xx_ac97_try_cold_reset(void);47extern void pxa2xx_ac97_finish_reset(void);48 49extern int pxa2xx_ac97_hw_suspend(void);50extern int pxa2xx_ac97_hw_resume(void);51 52extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);53extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);54 55/* modem registers, used by touchscreen driver */56u32 pxa2xx_ac97_read_modr(void);57u32 pxa2xx_ac97_read_misr(void);58 59#endif60