Linux Audio

Check our new training course

Loading...
v5.4
 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;
13
14extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
15				struct snd_pcm_hw_params *params);
16extern int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
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_mmap(struct snd_pcm_substream *substream,
23	struct vm_area_struct *vma);
24extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
25extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
26extern int pxa2xx_soc_pcm_new(struct snd_soc_pcm_runtime *rtd);
27extern const struct snd_pcm_ops pxa2xx_pcm_ops;
28
29/* AC97 */
30
31extern int pxa2xx_ac97_read(int slot, unsigned short reg);
32extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
33
34extern bool pxa2xx_ac97_try_warm_reset(void);
35extern bool pxa2xx_ac97_try_cold_reset(void);
36extern void pxa2xx_ac97_finish_reset(void);
37
38extern int pxa2xx_ac97_hw_suspend(void);
39extern int pxa2xx_ac97_hw_resume(void);
40
41extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
42extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
43
44#endif
v4.17
 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_pcm;
12
13extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
14				struct snd_pcm_hw_params *params);
15extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
16extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
17extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
18extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
19extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
20extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
21extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
22	struct vm_area_struct *vma);
23extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
24extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
 
 
25
26/* AC97 */
27
28extern int pxa2xx_ac97_read(int slot, unsigned short reg);
29extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
30
31extern bool pxa2xx_ac97_try_warm_reset(void);
32extern bool pxa2xx_ac97_try_cold_reset(void);
33extern void pxa2xx_ac97_finish_reset(void);
34
35extern int pxa2xx_ac97_hw_suspend(void);
36extern int pxa2xx_ac97_hw_resume(void);
37
38extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
39extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
40
41#endif