xref: /openbmc/linux/sound/soc/codecs/wm_adsp.h (revision 4f3db074)
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 	size_t len;
34 };
35 
36 struct wm_adsp {
37 	const char *part;
38 	int num;
39 	int type;
40 	struct device *dev;
41 	struct regmap *regmap;
42 	struct snd_soc_card *card;
43 
44 	int base;
45 	int sysclk_reg;
46 	int sysclk_mask;
47 	int sysclk_shift;
48 
49 	struct list_head alg_regions;
50 
51 	int fw_id;
52 
53 	const struct wm_adsp_region *mem;
54 	int num_mems;
55 
56 	int fw;
57 	bool running;
58 
59 	struct regulator *dvfs;
60 
61 	struct list_head ctl_list;
62 
63 	struct work_struct boot_work;
64 };
65 
66 #define WM_ADSP1(wname, num) \
67 	SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
68 		wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
69 
70 #define WM_ADSP2(wname, num) \
71 {	.id = snd_soc_dapm_dai_link, .name = wname " Preloader", \
72 	.reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_early_event, \
73 	.event_flags = SND_SOC_DAPM_PRE_PMU }, \
74 {	.id = snd_soc_dapm_out_drv, .name = wname, \
75 	.reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
76 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
77 
78 extern const struct snd_kcontrol_new wm_adsp1_fw_controls[];
79 extern const struct snd_kcontrol_new wm_adsp2_fw_controls[];
80 
81 int wm_adsp1_init(struct wm_adsp *adsp);
82 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs);
83 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
84 		   struct snd_kcontrol *kcontrol, int event);
85 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
86 			 struct snd_kcontrol *kcontrol, int event);
87 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
88 		   struct snd_kcontrol *kcontrol, int event);
89 
90 #endif
91