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 | |
24 | struct wm_adsp_compr; |
25 | struct wm_adsp_compr_buf; |
26 | |
27 | struct 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 (*pre_run)(struct wm_adsp *dsp); |
41 | |
42 | bool preloaded; |
43 | bool fatal_error; |
44 | |
45 | struct list_head compr_list; |
46 | struct list_head buffer_list; |
47 | |
48 | /* |
49 | * Flag indicating the preloader widget only needs power toggled |
50 | * on state change rather than held on for the duration of the |
51 | * preload, useful for devices that can retain firmware memory |
52 | * across power down. |
53 | */ |
54 | bool toggle_preload; |
55 | }; |
56 | |
57 | #define WM_ADSP1(wname, num) \ |
58 | SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \ |
59 | wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD) |
60 | |
61 | #define WM_ADSP2_PRELOAD_SWITCH(wname, num) \ |
62 | SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \ |
63 | wm_adsp2_preloader_get, wm_adsp2_preloader_put) |
64 | |
65 | #define WM_ADSP2(wname, num, event_fn) \ |
66 | SND_SOC_DAPM_SPK(wname " Preload", NULL), \ |
67 | { .id = snd_soc_dapm_supply, .name = wname " Preloader", \ |
68 | .reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \ |
69 | .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \ |
70 | .subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \ |
71 | { .id = snd_soc_dapm_out_drv, .name = wname, \ |
72 | .reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \ |
73 | .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD } |
74 | |
75 | #define WM_ADSP_FW_CONTROL(dspname, num) \ |
76 | SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \ |
77 | wm_adsp_fw_get, wm_adsp_fw_put) |
78 | |
79 | extern const struct soc_enum wm_adsp_fw_enum[]; |
80 | |
81 | int wm_adsp1_init(struct wm_adsp *dsp); |
82 | int wm_adsp2_init(struct wm_adsp *dsp); |
83 | void wm_adsp2_remove(struct wm_adsp *dsp); |
84 | int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component); |
85 | int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component); |
86 | int wm_halo_init(struct wm_adsp *dsp); |
87 | |
88 | int wm_adsp1_event(struct snd_soc_dapm_widget *w, |
89 | struct snd_kcontrol *kcontrol, int event); |
90 | |
91 | int wm_adsp_early_event(struct snd_soc_dapm_widget *w, |
92 | struct snd_kcontrol *kcontrol, int event); |
93 | |
94 | int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware); |
95 | void wm_adsp_power_down(struct wm_adsp *dsp); |
96 | |
97 | irqreturn_t wm_adsp2_bus_error(int irq, void *data); |
98 | irqreturn_t wm_halo_bus_error(int irq, void *data); |
99 | irqreturn_t wm_halo_wdt_expire(int irq, void *data); |
100 | |
101 | int wm_adsp_run(struct wm_adsp *dsp); |
102 | void wm_adsp_stop(struct wm_adsp *dsp); |
103 | int wm_adsp_event(struct snd_soc_dapm_widget *w, |
104 | struct snd_kcontrol *kcontrol, int event); |
105 | |
106 | int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq); |
107 | |
108 | int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, |
109 | struct snd_ctl_elem_value *ucontrol); |
110 | int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, |
111 | struct snd_ctl_elem_value *ucontrol); |
112 | int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, |
113 | struct snd_ctl_elem_value *ucontrol); |
114 | int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, |
115 | struct snd_ctl_elem_value *ucontrol); |
116 | |
117 | int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream); |
118 | int wm_adsp_compr_free(struct snd_soc_component *component, |
119 | struct snd_compr_stream *stream); |
120 | int wm_adsp_compr_set_params(struct snd_soc_component *component, |
121 | struct snd_compr_stream *stream, |
122 | struct snd_compr_params *params); |
123 | int wm_adsp_compr_get_caps(struct snd_soc_component *component, |
124 | struct snd_compr_stream *stream, |
125 | struct snd_compr_caps *caps); |
126 | int wm_adsp_compr_trigger(struct snd_soc_component *component, |
127 | struct snd_compr_stream *stream, int cmd); |
128 | int wm_adsp_compr_handle_irq(struct wm_adsp *dsp); |
129 | int wm_adsp_compr_pointer(struct snd_soc_component *component, |
130 | struct snd_compr_stream *stream, |
131 | struct snd_compr_tstamp *tstamp); |
132 | int wm_adsp_compr_copy(struct snd_soc_component *component, |
133 | struct snd_compr_stream *stream, |
134 | char __user *buf, size_t count); |
135 | int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, |
136 | unsigned int alg, void *buf, size_t len); |
137 | int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, |
138 | unsigned int alg, void *buf, size_t len); |
139 | |
140 | #endif |
141 | |