134 lines
4.5 KiB
C
134 lines
4.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* wm_adsp.h -- Wolfson ADSP support
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*
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* Copyright 2012 Wolfson Microelectronics plc
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*
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* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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*/
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#ifndef __WM_ADSP_H
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#define __WM_ADSP_H
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#include <linux/firmware/cirrus/cs_dsp.h>
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#include <linux/firmware/cirrus/wmfw.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <sound/compress_driver.h>
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/* Return values for wm_adsp_compr_handle_irq */
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#define WM_ADSP_COMPR_OK 0
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#define WM_ADSP_COMPR_VOICE_TRIGGER 1
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struct wm_adsp_compr;
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struct wm_adsp_compr_buf;
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struct wm_adsp {
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struct cs_dsp cs_dsp;
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const char *part;
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const char *fwf_name;
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const char *system_name;
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struct snd_soc_component *component;
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unsigned int sys_config_size;
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int fw;
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struct work_struct boot_work;
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bool preloaded;
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bool fatal_error;
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struct list_head compr_list;
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struct list_head buffer_list;
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/*
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* Flag indicating the preloader widget only needs power toggled
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* on state change rather than held on for the duration of the
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* preload, useful for devices that can retain firmware memory
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* across power down.
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*/
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bool toggle_preload;
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};
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#define WM_ADSP1(wname, num) \
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SND_SOC_DAPM_PGA_E(wname, SND_SOC_NOPM, num, 0, NULL, 0, \
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wm_adsp1_event, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD)
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#define WM_ADSP2_PRELOAD_SWITCH(wname, num) \
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SOC_SINGLE_EXT(wname " Preload Switch", SND_SOC_NOPM, num, 1, 0, \
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wm_adsp2_preloader_get, wm_adsp2_preloader_put)
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#define WM_ADSP2(wname, num, event_fn) \
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SND_SOC_DAPM_SPK(wname " Preload", NULL), \
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{ .id = snd_soc_dapm_supply, .name = wname " Preloader", \
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.reg = SND_SOC_NOPM, .shift = num, .event = event_fn, \
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.event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD, \
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.subseq = 100, /* Ensure we run after SYSCLK supply widget */ }, \
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{ .id = snd_soc_dapm_out_drv, .name = wname, \
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.reg = SND_SOC_NOPM, .shift = num, .event = wm_adsp_event, \
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.event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD }
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#define WM_ADSP_FW_CONTROL(dspname, num) \
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SOC_ENUM_EXT(dspname " Firmware", wm_adsp_fw_enum[num], \
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wm_adsp_fw_get, wm_adsp_fw_put)
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extern const struct soc_enum wm_adsp_fw_enum[];
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int wm_adsp1_init(struct wm_adsp *dsp);
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int wm_adsp2_init(struct wm_adsp *dsp);
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void wm_adsp2_remove(struct wm_adsp *dsp);
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int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component);
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int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component);
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int wm_halo_init(struct wm_adsp *dsp);
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int wm_adsp1_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event);
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int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event);
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irqreturn_t wm_adsp2_bus_error(int irq, void *data);
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irqreturn_t wm_halo_bus_error(int irq, void *data);
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irqreturn_t wm_halo_wdt_expire(int irq, void *data);
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int wm_adsp_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event);
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int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq);
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int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol);
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int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream);
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int wm_adsp_compr_free(struct snd_soc_component *component,
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struct snd_compr_stream *stream);
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int wm_adsp_compr_set_params(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_params *params);
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int wm_adsp_compr_get_caps(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_caps *caps);
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int wm_adsp_compr_trigger(struct snd_soc_component *component,
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struct snd_compr_stream *stream, int cmd);
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int wm_adsp_compr_handle_irq(struct wm_adsp *dsp);
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int wm_adsp_compr_pointer(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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struct snd_compr_tstamp *tstamp);
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int wm_adsp_compr_copy(struct snd_soc_component *component,
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struct snd_compr_stream *stream,
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char __user *buf, size_t count);
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int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type,
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unsigned int alg, void *buf, size_t len);
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int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type,
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unsigned int alg, void *buf, size_t len);
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#endif
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