mic_privacy.h

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/*
 * Copyright (c) 2025 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef __ZEPHYR_INCLUDE_MIC_PRIVACY_H__
#define __ZEPHYR_INCLUDE_MIC_PRIVACY_H__
 
#include <stdint.h>
#include <errno.h>
#include <stdbool.h>
#include <stdint.h>
#include <zephyr/kernel.h>
#include <zephyr/spinlock.h>
#include <zephyr/devicetree.h>
 
enum mic_privacy_policy {
        MIC_PRIVACY_DISABLED = 0,
        MIC_PRIVACY_HW_MANAGED = 1,
        MIC_PRIVACY_FW_MANAGED = 2,
        MIC_PRIVACY_FORCE_MIC_DISABLED = 3,
};
enum mic_privacy_policy {…};
 
/* has to match HW register definition
 * (DZLS bit field in DFMICPVCP register)
 */
union mic_privacy_mask {
        uint32_t value;
        struct {
                uint32_t sndw:7;
                uint32_t dmic:1;
        };
};
union mic_privacy_mask {…};
 
struct intel_adsp_mic_priv_data {
        uint8_t rsvd;
};
struct intel_adsp_mic_priv_data {…};
 
struct intel_adsp_mic_priv_cfg {
        uint32_t base;
        uint32_t regblock_size;
};
struct intel_adsp_mic_priv_cfg {…};
 
struct mic_privacy_api_funcs {
        void (*enable_fw_managed_irq)(bool enable_irq, const void *fn);
        void (*clear_fw_managed_irq)();
        void (*enable_dmic_irq)(bool enable_irq, const void *fn);
        bool (*get_dmic_irq_status)(void);
        void (*clear_dmic_irq_status)(void);
        enum mic_privacy_policy (*get_policy)();
        uint32_t (*get_privacy_policy_register_raw_value)();
        uint32_t (*get_dma_data_zeroing_wait_time)();
        uint32_t (*get_dma_data_zeroing_link_select)();
        uint32_t (*get_dmic_mic_disable_status)(void);
        uint32_t (*get_fw_managed_mic_disable_status)();
        void (*set_fw_managed_mode)(bool is_fw_managed_enabled);
        void (*set_fw_mic_disable_status)(bool fw_mic_disable_status);
        uint32_t (*get_fw_mic_disable_status)();
};
struct mic_privacy_api_funcs {…};
 
#endif