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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * wm_adsp.h -- Wolfson ADSP support
4 *
5 * Copyright 2012 Wolfson Microelectronics plc
6 *
7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
8 */
9
10#ifndef __WM_ADSP_H
11#define __WM_ADSP_H
12
13#include <linux/firmware/cirrus/cs_dsp.h>
14#include <linux/firmware/cirrus/wmfw.h>
15
16#include <sound/soc.h>
17#include <sound/soc-dapm.h>
18#include <sound/compress_driver.h>
19
20/* Return values for wm_adsp_compr_handle_irq */
21#define WM_ADSP_COMPR_OK 0
22#define WM_ADSP_COMPR_VOICE_TRIGGER 1
23
24struct wm_adsp_compr;
25struct wm_adsp_compr_buf;
26
27struct wm_adsp {
28 struct cs_dsp cs_dsp;
29 const char *part;
30 const char *fwf_name;
31 const char *system_name;
32 struct snd_soc_component *component;
33
34 unsigned int sys_config_size;
35
36 int fw;
37 bool wmfw_optional;
38
39 struct work_struct boot_work;
40 int (*control_add)(struct wm_adsp *dsp, struct cs_dsp_coeff_ctl *cs_ctl);
41 int (*pre_run)(struct wm_adsp *dsp);
42
43 bool preloaded;
44 bool fatal_error;
45
46 struct list_head compr_list;
47 struct list_head buffer_list;
48
49 /*
50 * Flag indicating the preloader widget only needs power toggled
51 * on state change rather than held on for the duration of the
52 * preload, useful for devices that can retain firmware memory
53 * across power down.
54 */
55 bool toggle_preload;
56};
57
58#define WM_ADSP1(wname, num) \
59 SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
60 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
61
62#define WM_ADSP2_PRELOAD_SWITCH(wname, num) \
63 SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \
64 wm_adsp2_preloader_get, wm_adsp2_preloader_put)
65
66#define WM_ADSP2(wname, num, event_fn) \
67 SND_SOC_DAPM_SPK(wname " Preload", NULL), \
68{ .id = snd_soc_dapm_supply, .name = wname " Preloader", \
69 .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
70 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \
71 .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \
72{ .id = snd_soc_dapm_out_drv, .name = wname, \
73 .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \
74 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
75
76#define WM_ADSP_FW_CONTROL(dspname, num) \
77 SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \
78 wm_adsp_fw_get, wm_adsp_fw_put)
79
80extern const struct soc_enum wm_adsp_fw_enum[];
81
82int wm_adsp1_init(struct wm_adsp *dsp);
83int wm_adsp2_init(struct wm_adsp *dsp);
84void wm_adsp2_remove(struct wm_adsp *dsp);
85int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component);
86int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component);
87int wm_halo_init(struct wm_adsp *dsp);
88
89int wm_adsp1_event(struct snd_soc_dapm_widget *w,
90 struct snd_kcontrol *kcontrol, int event);
91
92int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
93 struct snd_kcontrol *kcontrol, int event);
94
95int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware);
96void wm_adsp_power_down(struct wm_adsp *dsp);
97
98irqreturn_t wm_adsp2_bus_error(int irq, void *data);
99irqreturn_t wm_halo_bus_error(int irq, void *data);
100irqreturn_t wm_halo_wdt_expire(int irq, void *data);
101
102int wm_adsp_run(struct wm_adsp *dsp);
103void wm_adsp_stop(struct wm_adsp *dsp);
104int wm_adsp_event(struct snd_soc_dapm_widget *w,
105 struct snd_kcontrol *kcontrol, int event);
106
107int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq);
108
109int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
110 struct snd_ctl_elem_value *ucontrol);
111int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
112 struct snd_ctl_elem_value *ucontrol);
113int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
114 struct snd_ctl_elem_value *ucontrol);
115int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
116 struct snd_ctl_elem_value *ucontrol);
117
118int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream);
119int wm_adsp_compr_free(struct snd_soc_component *component,
120 struct snd_compr_stream *stream);
121int wm_adsp_compr_set_params(struct snd_soc_component *component,
122 struct snd_compr_stream *stream,
123 struct snd_compr_params *params);
124int wm_adsp_compr_get_caps(struct snd_soc_component *component,
125 struct snd_compr_stream *stream,
126 struct snd_compr_caps *caps);
127int wm_adsp_compr_trigger(struct snd_soc_component *component,
128 struct snd_compr_stream *stream, int cmd);
129int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
130int wm_adsp_compr_pointer(struct snd_soc_component *component,
131 struct snd_compr_stream *stream,
132 struct snd_compr_tstamp *tstamp);
133int wm_adsp_compr_copy(struct snd_soc_component *component,
134 struct snd_compr_stream *stream,
135 char __user *buf, size_t count);
136
137int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl);
138int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type,
139 unsigned int alg, void *buf, size_t len);
140int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type,
141 unsigned int alg, void *buf, size_t len);
142
143#endif
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
21struct regulator;
22
23struct wm_adsp_region {
24 int type;
25 unsigned int base;
26};
27
28struct 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
36struct 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
78extern const struct snd_kcontrol_new wm_adsp1_fw_controls[];
79extern const struct snd_kcontrol_new wm_adsp2_fw_controls[];
80
81int wm_adsp1_init(struct wm_adsp *adsp);
82int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs);
83int wm_adsp1_event(struct snd_soc_dapm_widget *w,
84 struct snd_kcontrol *kcontrol, int event);
85int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
86 struct snd_kcontrol *kcontrol, int event);
87int wm_adsp2_event(struct snd_soc_dapm_widget *w,
88 struct snd_kcontrol *kcontrol, int event);
89
90#endif