xref: /openbmc/linux/sound/soc/codecs/wm_adsp.h (revision 97da55fc)
1 /*
2  * wm_adsp.h  --  Wolfson ADSP support
3  *
4  * Copyright 2012 Wolfson Microelectronics plc
5  *
6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 
13 #ifndef __WM_ADSP_H
14 #define __WM_ADSP_H
15 
16 #include <sound/soc.h>
17 #include <sound/soc-dapm.h>
18 
19 #include "wmfw.h"
20 
21 struct regulator;
22 
23 struct wm_adsp_region {
24 	int type;
25 	unsigned int base;
26 };
27 
28 struct wm_adsp_alg_region {
29 	struct list_head list;
30 	unsigned int alg;
31 	int type;
32 	unsigned int base;
33 };
34 
35 struct wm_adsp {
36 	const char *part;
37 	int num;
38 	int type;
39 	struct device *dev;
40 	struct regmap *regmap;
41 
42 	int base;
43 	int sysclk_reg;
44 	int sysclk_mask;
45 	int sysclk_shift;
46 
47 	struct list_head alg_regions;
48 
49 	const struct wm_adsp_region *mem;
50 	int num_mems;
51 
52 	int fw;
53 	bool running;
54 
55 	struct regulator *dvfs;
56 };
57 
58 #define WM_ADSP1(wname, num) \
59 	{ .id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \
60 	.shift = num, .event = wm_adsp1_event, \
61 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
62 
63 #define WM_ADSP2(wname, num) \
64 {	.id = snd_soc_dapm_pga, .name = wname, .reg = SND_SOC_NOPM, \
65 	.shift = num, .event = wm_adsp2_event, \
66 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
67 
68 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
69 
70 int wm_adsp1_init(struct wm_adsp *adsp);
71 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs);
72 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
73 		   struct snd_kcontrol *kcontrol, int event);
74 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
75 		   struct snd_kcontrol *kcontrol, int event);
76 
77 #endif
78