summaryrefslogtreecommitdiff
path: root/sound/soc/codecs/wm_adsp.h
blob: 067d807a7ca82d262685591226620abd75de64bd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * wm_adsp.h  --  Wolfson ADSP support
 *
 * Copyright 2012 Wolfson Microelectronics plc
 *
 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
 */

#ifndef __WM_ADSP_H
#define __WM_ADSP_H

#include <linux/firmware/cirrus/cs_dsp.h>
#include <linux/firmware/cirrus/wmfw.h>

#include <sound/soc.h>
#include <sound/soc-dapm.h>
#include <sound/compress_driver.h>

/* Return values for wm_adsp_compr_handle_irq */
#define WM_ADSP_COMPR_OK                 0
#define WM_ADSP_COMPR_VOICE_TRIGGER      1

struct wm_adsp_compr;
struct wm_adsp_compr_buf;

struct wm_adsp {
	struct cs_dsp cs_dsp;
	const char *part;
	const char *fwf_name;
	const char *system_name;
	struct snd_soc_component *component;

	unsigned int sys_config_size;

	int fw;
	bool wmfw_optional;

	struct work_struct boot_work;
	int (*pre_run)(struct wm_adsp *dsp);

	bool preloaded;
	bool fatal_error;

	struct list_head compr_list;
	struct list_head buffer_list;

	/*
	 * Flag indicating the preloader widget only needs power toggled
	 * on state change rather than held on for the duration of the
	 * preload, useful for devices that can retain firmware memory
	 * across power down.
	 */
	bool toggle_preload;
};

#define WM_ADSP1(wname, num) \
	SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
		wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)

#define WM_ADSP2_PRELOAD_SWITCH(wname, num) \
	SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \
		wm_adsp2_preloader_get, wm_adsp2_preloader_put)

#define WM_ADSP2(wname, num, event_fn) \
	SND_SOC_DAPM_SPK(wname " Preload", NULL), \
{	.id = snd_soc_dapm_supply, .name = wname " Preloader", \
	.reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
	.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \
	.subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \
{	.id = snd_soc_dapm_out_drv, .name = wname, \
	.reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \
	.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }

#define WM_ADSP_FW_CONTROL(dspname, num) \
	SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \
		     wm_adsp_fw_get, wm_adsp_fw_put)

extern const struct soc_enum wm_adsp_fw_enum[];

int wm_adsp1_init(struct wm_adsp *dsp);
int wm_adsp2_init(struct wm_adsp *dsp);
void wm_adsp2_remove(struct wm_adsp *dsp);
int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component);
int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component);
int wm_halo_init(struct wm_adsp *dsp);

int wm_adsp1_event(struct snd_soc_dapm_widget *w,
		   struct snd_kcontrol *kcontrol, int event);

int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
			struct snd_kcontrol *kcontrol, int event);

int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware);
void wm_adsp_power_down(struct wm_adsp *dsp);

irqreturn_t wm_adsp2_bus_error(int irq, void *data);
irqreturn_t wm_halo_bus_error(int irq, void *data);
irqreturn_t wm_halo_wdt_expire(int irq, void *data);

int wm_adsp_event(struct snd_soc_dapm_widget *w,
		  struct snd_kcontrol *kcontrol, int event);

int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq);

int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol);
int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
			   struct snd_ctl_elem_value *ucontrol);
int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
		   struct snd_ctl_elem_value *ucontrol);
int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
		   struct snd_ctl_elem_value *ucontrol);

int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream);
int wm_adsp_compr_free(struct snd_soc_component *component,
		       struct snd_compr_stream *stream);
int wm_adsp_compr_set_params(struct snd_soc_component *component,
			     struct snd_compr_stream *stream,
			     struct snd_compr_params *params);
int wm_adsp_compr_get_caps(struct snd_soc_component *component,
			   struct snd_compr_stream *stream,
			   struct snd_compr_caps *caps);
int wm_adsp_compr_trigger(struct snd_soc_component *component,
			  struct snd_compr_stream *stream, int cmd);
int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
int wm_adsp_compr_pointer(struct snd_soc_component *component,
			  struct snd_compr_stream *stream,
			  struct snd_compr_tstamp *tstamp);
int wm_adsp_compr_copy(struct snd_soc_component *component,
		       struct snd_compr_stream *stream,
		       char __user *buf, size_t count);
int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name,  int type,
		      unsigned int alg, void *buf, size_t len);
int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name,  int type,
		      unsigned int alg, void *buf, size_t len);

#endif