Line data    Source code

       1            0 : /*
       2              :  * Copyright (c) 2025 Intel Corporation
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : 
       7              : #ifndef __ZEPHYR_INCLUDE_MIC_PRIVACY_H__
       8              : #define __ZEPHYR_INCLUDE_MIC_PRIVACY_H__
       9              : 
      10              : #include <stdint.h>
      11              : #include <errno.h>
      12              : #include <stdbool.h>
      13              : #include <stdint.h>
      14              : #include <zephyr/kernel.h>
      15              : #include <zephyr/spinlock.h>
      16              : #include <zephyr/devicetree.h>
      17              : 
      18            0 : enum mic_privacy_policy {
      19              :         MIC_PRIVACY_DISABLED = 0,
      20              :         MIC_PRIVACY_HW_MANAGED = 1,
      21              :         MIC_PRIVACY_FW_MANAGED = 2,
      22              :         MIC_PRIVACY_FORCE_MIC_DISABLED = 3,
      23              : };
      24              : 
      25              : /* has to match HW register definition
      26              :  * (DZLS bit field in DFMICPVCP register)
      27              :  */
      28            0 : union mic_privacy_mask {
      29            0 :         uint32_t value;
      30              :         struct {
      31            0 :                 uint32_t sndw:7;
      32            0 :                 uint32_t dmic:1;
      33            0 :         };
      34              : };
      35              : 
      36            0 : struct intel_adsp_mic_priv_data {
      37            0 :         uint8_t rsvd;
      38              : };
      39              : 
      40            0 : struct intel_adsp_mic_priv_cfg {
      41            0 :         uint32_t base;
      42            0 :         uint32_t regblock_size;
      43              : };
      44              : 
      45            0 : struct mic_privacy_api_funcs {
      46            0 :         void (*enable_fw_managed_irq)(bool enable_irq, const void *fn);
      47            0 :         void (*clear_fw_managed_irq)();
      48            0 :         void (*enable_dmic_irq)(bool enable_irq, const void *fn);
      49            0 :         bool (*get_dmic_irq_status)(void);
      50            0 :         void (*clear_dmic_irq_status)(void);
      51              :         enum mic_privacy_policy (*get_policy)();
      52            0 :         uint32_t (*get_privacy_policy_register_raw_value)();
      53            0 :         uint32_t (*get_dma_data_zeroing_wait_time)();
      54            0 :         uint32_t (*get_dma_data_zeroing_link_select)();
      55            0 :         uint32_t (*get_dmic_mic_disable_status)(void);
      56            0 :         uint32_t (*get_fw_managed_mic_disable_status)();
      57            0 :         void (*set_fw_managed_mode)(bool is_fw_managed_enabled);
      58            0 :         void (*set_fw_mic_disable_status)(bool fw_mic_disable_status);
      59            0 :         uint32_t (*get_fw_mic_disable_status)();
      60              : };
      61              : 
      62              : #endif