| /* 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_run(struct wm_adsp *dsp); |
| void wm_adsp_stop(struct wm_adsp *dsp); |
| 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 |