/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

syntax = "proto2";

package android.server.display;

option java_outer_classname = "DisplayProtoEnums";
option java_multiple_files = true;

// Logging constants for DisplayService

enum HbmState {
    // Unknown state
    HBM_UNKNOWN = 0;
    // HBM is off.
    HBM_OFF = 1;
    // HBM is on for HDR playback.
    HBM_ON_HDR = 2;
    // HBM is on for sunlight visibility.
    HBM_ON_SUNLIGHT = 3;
}

enum HbmStateTransitionReason {
    HBM_TRANSITION_REASON_UNKNOWN = 0;
    // Hbm sunlight visibility is off due to ambient light drop below threshold.
    HBM_SV_OFF_LUX_DROP = 1;
    // Hbm sunlight visibility is off due to out of time budget.
    HBM_SV_OFF_TIME_LIMIT = 2;
    // Hbm sunlight visibility is off due to thermal status exceeding threshold.
    HBM_SV_OFF_THERMAL_LIMIT = 3;
    // Hbm sunlight visibility is off due to HDR playing.
    HBM_SV_OFF_HDR_PLAYING = 4;
    // Hbm sunlight visibility is off due to battery saving is on.
    HBM_SV_OFF_BATTERY_SAVE_ON = 5;
    // Hbm sunlight visibility is off due to display off.
    HBM_SV_OFF_DISPLAY_OFF = 6;
    // Hbm sunlight visibility is off due to auto brightness off.
    HBM_SV_OFF_AUTOBRIGHTNESS_OFF = 7;
    // Hbm HDR is off due to thermal status exceeding threshold.
    HBM_HDR_OFF_THERMAL_LIMIT = 8;
    // Hbm sunlight visibility is off due to requested brightness is lower than
    // HBM transition point. Note if brightness is low due to thermal cap, the
    // reason will be HBM_SV_OFF_THERMAL_LIMIT.
    HBM_SV_OFF_LOW_REQUESTED_BRIGHTNESS = 9;
}