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_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_preallocate_dma_buffer(struct snd_pcm *pcm);
23extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component,
24			      struct snd_soc_pcm_runtime *rtd);
25extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component,
26			       struct snd_pcm_substream *substream);
27extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component,
28				struct snd_pcm_substream *substream);
29extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component,
30				    struct snd_pcm_substream *substream,
31				    struct snd_pcm_hw_params *params);
32extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component,
33				  struct snd_pcm_substream *substream);
34extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component,
35				  struct snd_pcm_substream *substream, int cmd);
36extern snd_pcm_uframes_t
37pxa2xx_soc_pcm_pointer(struct snd_soc_component *component,
38		       struct snd_pcm_substream *substream);
39
40/* AC97 */
41
42extern int pxa2xx_ac97_read(int slot, unsigned short reg);
43extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val);
44
45extern bool pxa2xx_ac97_try_warm_reset(void);
46extern bool pxa2xx_ac97_try_cold_reset(void);
47extern void pxa2xx_ac97_finish_reset(void);
48
49extern int pxa2xx_ac97_hw_suspend(void);
50extern int pxa2xx_ac97_hw_resume(void);
51
52extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
53extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
54
55/* modem registers, used by touchscreen driver */
56u32 pxa2xx_ac97_read_modr(void);
57u32 pxa2xx_ac97_read_misr(void);
58
59#endif

 
 1#ifndef PXA2XX_LIB_H
 2#define PXA2XX_LIB_H
 3
 
 4#include <linux/platform_device.h>
 5#include <sound/ac97_codec.h>
 6
 7/* PCM */
 
 
 
 
 
 8
 9extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
10				struct snd_pcm_hw_params *params);
11extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);
12extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd);
13extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream);
14extern int __pxa2xx_pcm_prepare(struct snd_pcm_substream *substream);
15extern void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id);
16extern int __pxa2xx_pcm_open(struct snd_pcm_substream *substream);
17extern int __pxa2xx_pcm_close(struct snd_pcm_substream *substream);
18extern int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
19	struct vm_area_struct *vma);
20extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream);
21extern void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm);
 
 
 
 
 
 
 
 
 
 
 
 
22
23/* AC97 */
24
25extern unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
26extern void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short val);
27
28extern bool pxa2xx_ac97_try_warm_reset(struct snd_ac97 *ac97);
29extern bool pxa2xx_ac97_try_cold_reset(struct snd_ac97 *ac97);
30extern void pxa2xx_ac97_finish_reset(struct snd_ac97 *ac97);
31
32extern int pxa2xx_ac97_hw_suspend(void);
33extern int pxa2xx_ac97_hw_resume(void);
34
35extern int pxa2xx_ac97_hw_probe(struct platform_device *dev);
36extern void pxa2xx_ac97_hw_remove(struct platform_device *dev);
 
 
 
 
37
38#endif