xref: /openbmc/linux/sound/soc/codecs/wm_adsp.h (revision 0edbfea5)
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 #include <sound/compress_driver.h>
19 
20 #include "wmfw.h"
21 
22 struct wm_adsp_region {
23 	int type;
24 	unsigned int base;
25 };
26 
27 struct wm_adsp_alg_region {
28 	struct list_head list;
29 	unsigned int alg;
30 	int type;
31 	unsigned int base;
32 };
33 
34 struct wm_adsp_compr;
35 struct wm_adsp_compr_buf;
36 
37 struct wm_adsp {
38 	const char *part;
39 	int num;
40 	int type;
41 	struct device *dev;
42 	struct regmap *regmap;
43 	struct snd_soc_card *card;
44 
45 	int base;
46 	int sysclk_reg;
47 	int sysclk_mask;
48 	int sysclk_shift;
49 
50 	struct list_head alg_regions;
51 
52 	unsigned int fw_id;
53 	unsigned int fw_id_version;
54 
55 	const struct wm_adsp_region *mem;
56 	int num_mems;
57 
58 	int fw;
59 	int fw_ver;
60 	bool running;
61 
62 	struct list_head ctl_list;
63 
64 	struct work_struct boot_work;
65 
66 	struct wm_adsp_compr *compr;
67 	struct wm_adsp_compr_buf *buffer;
68 
69 	struct mutex pwr_lock;
70 
71 #ifdef CONFIG_DEBUG_FS
72 	struct dentry *debugfs_root;
73 	char *wmfw_file_name;
74 	char *bin_file_name;
75 #endif
76 
77 };
78 
79 #define WM_ADSP1(wname, num) \
80 	SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
81 		wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
82 
83 #define WM_ADSP2(wname, num, event_fn) \
84 {	.id = snd_soc_dapm_dai_link, .name = wname " Preloader", \
85 	.reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
86 	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }, \
87 {	.id = snd_soc_dapm_out_drv, .name = wname, \
88 	.reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp2_event, \
89 	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
90 
91 extern const struct snd_kcontrol_new wm_adsp_fw_controls[];
92 
93 int wm_adsp1_init(struct wm_adsp *dsp);
94 int wm_adsp2_init(struct wm_adsp *dsp);
95 void wm_adsp2_remove(struct wm_adsp *dsp);
96 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec);
97 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec);
98 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
99 		   struct snd_kcontrol *kcontrol, int event);
100 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
101 			 struct snd_kcontrol *kcontrol, int event,
102 			 unsigned int freq);
103 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
104 		   struct snd_kcontrol *kcontrol, int event);
105 
106 extern int wm_adsp_compr_open(struct wm_adsp *dsp,
107 			      struct snd_compr_stream *stream);
108 extern int wm_adsp_compr_free(struct snd_compr_stream *stream);
109 extern int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
110 				    struct snd_compr_params *params);
111 extern int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
112 				  struct snd_compr_caps *caps);
113 extern int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd);
114 extern int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
115 extern int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
116 				 struct snd_compr_tstamp *tstamp);
117 extern int wm_adsp_compr_copy(struct snd_compr_stream *stream,
118 			      char __user *buf, size_t count);
119 
120 #endif
121