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 */
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_hw_free(struct snd_pcm_substream *substream);
18extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
19extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
20extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
21extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream);
22extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream);
23extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
24	struct vm_area_struct *vma);
25extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
26extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
27extern void pxa2xx_soc_pcm_free(struct snd_soc_component *component,
28				struct snd_pcm *pcm);
29extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
30			      struct snd_soc_pcm_runtime *rtd);
31extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
32			       struct snd_pcm_substream *substream);
33extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
34				struct snd_pcm_substream *substream);
35extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
36				    struct snd_pcm_substream *substream,
37				    struct snd_pcm_hw_params *params);
38extern int pxa2xx_soc_pcm_hw_free(struct snd_soc_component *component,
39				  struct snd_pcm_substream *substream);
40extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
41				  struct snd_pcm_substream *substream);
42extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
43				  struct snd_pcm_substream *substream, int cmd);
44extern snd_pcm_uframes_t
45pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
46		       struct snd_pcm_substream *substream);
47extern 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
53extern int pxa2xx_ac97_read(int slot, unsigned short reg);
54extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
55
56extern bool pxa2xx_ac97_try_warm_reset(void);
57extern bool pxa2xx_ac97_try_cold_reset(void);
58extern void pxa2xx_ac97_finish_reset(void);
59
60extern int pxa2xx_ac97_hw_suspend(void);
61extern int pxa2xx_ac97_hw_resume(void);
62
63extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
64extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
65
66#endif
67