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_soc_pcm_runtime; |
12 | struct snd_pcm; |
13 | struct snd_soc_component; |
14 | |
15 | extern int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream, |
16 | struct snd_pcm_hw_params *params); |
17 | extern int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd); |
18 | extern snd_pcm_uframes_t pxa2xx_pcm_pointer(struct snd_pcm_substream *substream); |
19 | extern int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream); |
20 | extern int pxa2xx_pcm_open(struct snd_pcm_substream *substream); |
21 | extern int pxa2xx_pcm_close(struct snd_pcm_substream *substream); |
22 | extern int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm); |
23 | extern int pxa2xx_soc_pcm_new(struct snd_soc_component *component, |
24 | struct snd_soc_pcm_runtime *rtd); |
25 | extern int pxa2xx_soc_pcm_open(struct snd_soc_component *component, |
26 | struct snd_pcm_substream *substream); |
27 | extern int pxa2xx_soc_pcm_close(struct snd_soc_component *component, |
28 | struct snd_pcm_substream *substream); |
29 | extern int pxa2xx_soc_pcm_hw_params(struct snd_soc_component *component, |
30 | struct snd_pcm_substream *substream, |
31 | struct snd_pcm_hw_params *params); |
32 | extern int pxa2xx_soc_pcm_prepare(struct snd_soc_component *component, |
33 | struct snd_pcm_substream *substream); |
34 | extern int pxa2xx_soc_pcm_trigger(struct snd_soc_component *component, |
35 | struct snd_pcm_substream *substream, int cmd); |
36 | extern snd_pcm_uframes_t |
37 | pxa2xx_soc_pcm_pointer(struct snd_soc_component *component, |
38 | struct snd_pcm_substream *substream); |
39 | |
40 | /* AC97 */ |
41 | |
42 | extern int pxa2xx_ac97_read(int slot, unsigned short reg); |
43 | extern int pxa2xx_ac97_write(int slot, unsigned short reg, unsigned short val); |
44 | |
45 | extern bool pxa2xx_ac97_try_warm_reset(void); |
46 | extern bool pxa2xx_ac97_try_cold_reset(void); |
47 | extern void pxa2xx_ac97_finish_reset(void); |
48 | |
49 | extern int pxa2xx_ac97_hw_suspend(void); |
50 | extern int pxa2xx_ac97_hw_resume(void); |
51 | |
52 | extern int pxa2xx_ac97_hw_probe(struct platform_device *dev); |
53 | extern void pxa2xx_ac97_hw_remove(struct platform_device *dev); |
54 | |
55 | /* modem registers, used by touchscreen driver */ |
56 | u32 pxa2xx_ac97_read_modr(void); |
57 | u32 pxa2xx_ac97_read_misr(void); |
58 | |
59 | #endif |
60 | |