xref: /openbmc/linux/sound/soc/codecs/wm_adsp.h (revision 2c684d89)
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 wm_adsp_region {
22 	int type;
23 	unsigned int base;
24 };
25 
26 struct wm_adsp_alg_region {
27 	struct list_head list;
28 	unsigned int alg;
29 	int type;
30 	unsigned int base;
31 };
32 
33 struct wm_adsp {
34 	const char *part;
35 	int num;
36 	int type;
37 	struct device *dev;
38 	struct regmap *regmap;
39 	struct snd_soc_card *card;
40 
41 	int base;
42 	int sysclk_reg;
43 	int sysclk_mask;
44 	int sysclk_shift;
45 
46 	struct list_head alg_regions;
47 
48 	int fw_id;
49 	int fw_id_version;
50 
51 	const struct wm_adsp_region *mem;
52 	int num_mems;
53 
54 	int fw;
55 	int fw_ver;
56 	bool running;
57 
58 	struct list_head ctl_list;
59 
60 	struct work_struct boot_work;
61 
62 #ifdef CONFIG_DEBUG_FS
63 	struct dentry *debugfs_root;
64 	struct mutex debugfs_lock;
65 	char *wmfw_file_name;
66 	char *bin_file_name;
67 #endif
68 
69 };
70 
71 #define WM_ADSP1(wname, num) \
72 	SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
73 		wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
74 
75 #define WM_ADSP2_E(wname, num, event_fn) \
76 {	.id = snd_soc_dapm_dai_link, .name = wname " Preloader", \
77 	.reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
78 	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }, \
79 {	.id = snd_soc_dapm_out_drv, .name = wname, \
80 	.reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
81 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
82 
83 #define WM_ADSP2(wname, num) \
84 	WM_ADSP2_E(wname, num, wm_adsp2_early_event)
85 
86 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
87 
88 int wm_adsp1_init(struct wm_adsp *dsp);
89 int wm_adsp2_init(struct wm_adsp *dsp);
90 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec);
91 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec);
92 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
93 		   struct snd_kcontrol *kcontrol, int event);
94 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
95 			 struct snd_kcontrol *kcontrol, int event);
96 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
97 		   struct snd_kcontrol *kcontrol, int event);
98 
99 #endif
100