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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
38 struct work_struct boot_work;
39
40 bool preloaded;
41 bool fatal_error;
42
43 struct list_head compr_list;
44 struct list_head buffer_list;
45
46 /*
47 * Flag indicating the preloader widget only needs power toggled
48 * on state change rather than held on for the duration of the
49 * preload, useful for devices that can retain firmware memory
50 * across power down.
51 */
52 bool toggle_preload;
53};
54
55#define WM_ADSP1(wname, num) \
56 SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
57 wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
58
59#define WM_ADSP2_PRELOAD_SWITCH(wname, num) \
60 SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \
61 wm_adsp2_preloader_get, wm_adsp2_preloader_put)
62
63#define WM_ADSP2(wname, num, event_fn) \
64 SND_SOC_DAPM_SPK(wname " Preload", NULL), \
65{ .id = snd_soc_dapm_supply, .name = wname " Preloader", \
66 .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
67 .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \
68 .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \
69{ .id = snd_soc_dapm_out_drv, .name = wname, \
70 .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \
71 .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
72
73#define WM_ADSP_FW_CONTROL(dspname, num) \
74 SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \
75 wm_adsp_fw_get, wm_adsp_fw_put)
76
77extern const struct soc_enum wm_adsp_fw_enum[];
78
79int wm_adsp1_init(struct wm_adsp *dsp);
80int wm_adsp2_init(struct wm_adsp *dsp);
81void wm_adsp2_remove(struct wm_adsp *dsp);
82int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component);
83int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component);
84int wm_halo_init(struct wm_adsp *dsp);
85
86int wm_adsp1_event(struct snd_soc_dapm_widget *w,
87 struct snd_kcontrol *kcontrol, int event);
88
89int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
90 struct snd_kcontrol *kcontrol, int event);
91
92irqreturn_t wm_adsp2_bus_error(int irq, void *data);
93irqreturn_t wm_halo_bus_error(int irq, void *data);
94irqreturn_t wm_halo_wdt_expire(int irq, void *data);
95
96int wm_adsp_event(struct snd_soc_dapm_widget *w,
97 struct snd_kcontrol *kcontrol, int event);
98
99int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq);
100
101int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
102 struct snd_ctl_elem_value *ucontrol);
103int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
104 struct snd_ctl_elem_value *ucontrol);
105int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
106 struct snd_ctl_elem_value *ucontrol);
107int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
108 struct snd_ctl_elem_value *ucontrol);
109
110int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream);
111int wm_adsp_compr_free(struct snd_soc_component *component,
112 struct snd_compr_stream *stream);
113int wm_adsp_compr_set_params(struct snd_soc_component *component,
114 struct snd_compr_stream *stream,
115 struct snd_compr_params *params);
116int wm_adsp_compr_get_caps(struct snd_soc_component *component,
117 struct snd_compr_stream *stream,
118 struct snd_compr_caps *caps);
119int wm_adsp_compr_trigger(struct snd_soc_component *component,
120 struct snd_compr_stream *stream, int cmd);
121int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
122int wm_adsp_compr_pointer(struct snd_soc_component *component,
123 struct snd_compr_stream *stream,
124 struct snd_compr_tstamp *tstamp);
125int wm_adsp_compr_copy(struct snd_soc_component *component,
126 struct snd_compr_stream *stream,
127 char __user *buf, size_t count);
128int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type,
129 unsigned int alg, void *buf, size_t len);
130int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type,
131 unsigned int alg, void *buf, size_t len);
132
133#endif