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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_pcm; | |
12 | ||
13 | extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, | |
14 | struct snd_pcm_hw_params *params); | |
15 | extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream); | |
16 | extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd); | |
17 | extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream); | |
18 | extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream); | |
19 | extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream); | |
20 | extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream); | |
21 | extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream, | |
22 | struct vm_area_struct *vma); | |
23 | extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream); | |
24 | extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm); | |
25 | ||
26 | /* AC97 */ | |
27 | ||
28 | extern int pxa2xx_ac97_read(int slot, unsigned short reg); | |
29 | extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val); | |
30 | ||
31 | extern bool pxa2xx_ac97_try_warm_reset(void); | |
32 | extern bool pxa2xx_ac97_try_cold_reset(void); | |
33 | extern void pxa2xx_ac97_finish_reset(void); | |
34 | ||
35 | extern int pxa2xx_ac97_hw_suspend(void); | |
36 | extern int pxa2xx_ac97_hw_resume(void); | |
37 | ||
38 | extern int pxa2xx_ac97_hw_probe(struct platform_device *dev); | |
39 | extern void pxa2xx_ac97_hw_remove(struct platform_device *dev); | |
40 | ||
41 | #endif |