forked from Minki/linux
eb65ccdb08
Expose mixer control API for reading and writing controls from the kernel. This API can be used by ALSA kernel drivers with ADSP support to read and write firmware-defined memory regions. Signed-off-by: Li Xu <li.xu@cirrus.com> Signed-off-by: David Rhodes <david.rhodes@cirrus.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/1573847653-17094-2-git-send-email-david.rhodes@cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
210 lines
6.1 KiB
C
210 lines
6.1 KiB
C
/* 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 <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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#include "wmfw.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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#define WM_ADSP2_REGION_0 BIT(0)
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#define WM_ADSP2_REGION_1 BIT(1)
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#define WM_ADSP2_REGION_2 BIT(2)
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#define WM_ADSP2_REGION_3 BIT(3)
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#define WM_ADSP2_REGION_4 BIT(4)
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#define WM_ADSP2_REGION_5 BIT(5)
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#define WM_ADSP2_REGION_6 BIT(6)
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#define WM_ADSP2_REGION_7 BIT(7)
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#define WM_ADSP2_REGION_8 BIT(8)
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#define WM_ADSP2_REGION_9 BIT(9)
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#define WM_ADSP2_REGION_1_9 (WM_ADSP2_REGION_1 | \
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WM_ADSP2_REGION_2 | WM_ADSP2_REGION_3 | \
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WM_ADSP2_REGION_4 | WM_ADSP2_REGION_5 | \
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WM_ADSP2_REGION_6 | WM_ADSP2_REGION_7 | \
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WM_ADSP2_REGION_8 | WM_ADSP2_REGION_9)
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#define WM_ADSP2_REGION_ALL (WM_ADSP2_REGION_0 | WM_ADSP2_REGION_1_9)
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struct wm_adsp_region {
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int type;
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unsigned int base;
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};
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struct wm_adsp_alg_region {
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struct list_head list;
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unsigned int alg;
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int type;
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unsigned int base;
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};
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struct wm_adsp_compr;
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struct wm_adsp_compr_buf;
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struct wm_adsp_ops;
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struct wm_adsp {
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const char *part;
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const char *name;
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const char *fwf_name;
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int rev;
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int num;
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int type;
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struct device *dev;
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struct regmap *regmap;
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struct snd_soc_component *component;
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struct wm_adsp_ops *ops;
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unsigned int base;
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unsigned int base_sysinfo;
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unsigned int sysclk_reg;
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unsigned int sysclk_mask;
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unsigned int sysclk_shift;
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struct list_head alg_regions;
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unsigned int fw_id;
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unsigned int fw_id_version;
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unsigned int fw_vendor_id;
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const struct wm_adsp_region *mem;
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int num_mems;
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int fw;
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int fw_ver;
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bool preloaded;
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bool booted;
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bool running;
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bool fatal_error;
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struct list_head ctl_list;
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struct work_struct boot_work;
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struct list_head compr_list;
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struct list_head buffer_list;
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struct mutex pwr_lock;
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unsigned int lock_regions;
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#ifdef CONFIG_DEBUG_FS
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struct dentry *debugfs_root;
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char *wmfw_file_name;
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char *bin_file_name;
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#endif
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};
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struct wm_adsp_ops {
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unsigned int sys_config_size;
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bool (*validate_version)(struct wm_adsp *dsp, unsigned int version);
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unsigned int (*parse_sizes)(struct wm_adsp *dsp,
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const char * const file,
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unsigned int pos,
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const struct firmware *firmware);
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int (*setup_algs)(struct wm_adsp *dsp);
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unsigned int (*region_to_reg)(struct wm_adsp_region const *mem,
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unsigned int offset);
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void (*show_fw_status)(struct wm_adsp *dsp);
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void (*stop_watchdog)(struct wm_adsp *dsp);
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int (*enable_memory)(struct wm_adsp *dsp);
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void (*disable_memory)(struct wm_adsp *dsp);
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int (*lock_memory)(struct wm_adsp *dsp, unsigned int lock_regions);
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int (*enable_core)(struct wm_adsp *dsp);
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void (*disable_core)(struct wm_adsp *dsp);
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int (*start_core)(struct wm_adsp *dsp);
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void (*stop_core)(struct wm_adsp *dsp);
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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_compr_stream *stream);
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int wm_adsp_compr_set_params(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_compr_stream *stream,
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struct snd_compr_caps *caps);
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int wm_adsp_compr_trigger(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_compr_stream *stream,
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struct snd_compr_tstamp *tstamp);
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int wm_adsp_compr_copy(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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