tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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