| /* 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 |