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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * wm_adsp.h -- Wolfson ADSP support4 *5 * Copyright 2012 Wolfson Microelectronics plc6 *7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>8 */9 10#ifndef __WM_ADSP_H11#define __WM_ADSP_H12 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 022#define WM_ADSP_COMPR_VOICE_TRIGGER 123 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 toggled51 * on state change rather than held on for the duration of the52 * preload, useful for devices that can retain firmware memory53 * 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#endif144