1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef PXA2XX_LIB_H 3 #define PXA2XX_LIB_H 4 5 #include <uapi/sound/asound.h> 6 #include <linux/platform_device.h> 7 8 /* PCM */ 9 struct snd_pcm_substream; 10 struct snd_pcm_hw_params; 11 struct snd_soc_pcm_runtime; 12 struct snd_pcm; 13 struct snd_soc_component; 14 15 extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, 16 struct snd_pcm_hw_params *params); 17 extern int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream); 18 extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd); 19 extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream); 20 extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream); 21 extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream); 22 extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream); 23 extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream, 24 struct vm_area_struct *vma); 25 extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream); 26 extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm); 27 extern void pxa2xx_soc_pcm_free(struct snd_soc_component *component, 28 struct snd_pcm *pcm); 29 extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component, 30 struct snd_soc_pcm_runtime *rtd); 31 extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component, 32 struct snd_pcm_substream *substream); 33 extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component, 34 struct snd_pcm_substream *substream); 35 extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component, 36 struct snd_pcm_substream *substream, 37 struct snd_pcm_hw_params *params); 38 extern int pxa2xx_soc_pcm_hw_free(struct snd_soc_component *component, 39 struct snd_pcm_substream *substream); 40 extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component, 41 struct snd_pcm_substream *substream); 42 extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component, 43 struct snd_pcm_substream *substream, int cmd); 44 extern snd_pcm_uframes_t 45 pxa2xx_soc_pcm_pointer(struct snd_soc_component *component, 46 struct snd_pcm_substream *substream); 47 extern int pxa2xx_soc_pcm_mmap(struct snd_soc_component *component, 48 struct snd_pcm_substream *substream, 49 struct vm_area_struct *vma); 50 51 /* AC97 */ 52 53 extern int pxa2xx_ac97_read(int slot, unsigned short reg); 54 extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val); 55 56 extern bool pxa2xx_ac97_try_warm_reset(void); 57 extern bool pxa2xx_ac97_try_cold_reset(void); 58 extern void pxa2xx_ac97_finish_reset(void); 59 60 extern int pxa2xx_ac97_hw_suspend(void); 61 extern int pxa2xx_ac97_hw_resume(void); 62 63 extern int pxa2xx_ac97_hw_probe(struct platform_device *dev); 64 extern void pxa2xx_ac97_hw_remove(struct platform_device *dev); 65 66 #endif 67