/*
 * Copyright (C) 2020 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.stats.hdmi;
option java_multiple_files = true;
option java_outer_classname = "HdmiStatsEnums";

// HDMI CEC logical addresses.
// Values correspond to "CEC Table 5 Logical Addresses" in the HDMI CEC 1.4b spec.
enum LogicalAddress {
    LOGICAL_ADDRESS_UNKNOWN = -1;
    TV = 0;
    RECORDING_DEVICE_1 = 1;
    RECORDING_DEVICE_2 = 2;
    TUNER_1 = 3;
    PLAYBACK_DEVICE_1 = 4;
    AUDIO_SYSTEM = 5;
    TUNER_2 = 6;
    TUNER_3 = 7;
    PLAYBACK_DEVICE_2 = 8;
    RECORDING_DEVICE_3 = 9;
    TUNER_4 = 10;
    PLAYBACK_DEVICE_3 = 11;
    RESERVED_1 = 12;
    RESERVED_2 = 13;
    SPECIFIC_USE = 14;
    UNREGISTERED_OR_BROADCAST = 15;
}

// The relationship between two paths.
// Values correspond exactly to PathRelationship in com.android.server.hdmi.Constants.
enum PathRelationship {
    RELATIONSHIP_TO_ACTIVE_SOURCE_UNKNOWN = 0;
    DIFFERENT_BRANCH = 1;
    ANCESTOR = 2;
    DESCENDANT = 3;
    SIBLING = 4;
    SAME = 5;
}

// The result of attempting to send a HDMI CEC message.
// Values correspond to the constants in android.hardware.tv.cec.V1_0.SendMessageResult,
// offset by 10.
enum SendMessageResult {
    SEND_MESSAGE_RESULT_UNKNOWN = 0;
    SUCCESS = 10;
    NACK = 11;
    BUSY = 12;
    FAIL = 13;
}

// Whether a HDMI CEC message is sent from this device, to this device, or neither.
enum MessageDirection {
    MESSAGE_DIRECTION_UNKNOWN = 0;
    MESSAGE_DIRECTION_OTHER = 1;    // None of the other options.
    OUTGOING = 2;                   // Sent from this device.
    INCOMING = 3;                   // Sent to this device.
    TO_SELF = 4;                    // Sent from this device, to this device. Indicates a bug.
}

// User control commands. Each value can represent an individual command, or a set of commands.
// Values correspond to "CEC Table 30 UI Command Codes" in the HDMI CEC 1.4b spec, offset by 0x100.
enum UserControlPressedCommand {
    USER_CONTROL_PRESSED_COMMAND_UNKNOWN = 0;

    // Represents all codes that are not represented by another value.
    USER_CONTROL_PRESSED_COMMAND_OTHER = 1;

    // Represents all number codes (codes 0x1E through 0x29).
    NUMBER = 2;

    // Navigation
    SELECT = 0x100;
    UP = 0x101;
    DOWN = 0x102;
    LEFT = 0x103;
    RIGHT = 0x104;
    RIGHT_UP = 0x105;
    RIGHT_DOWN = 0x106;
    LEFT_UP = 0x107;
    LEFT_DOWN = 0x108;
    EXIT = 0x10D;

    // Volume
    VOLUME_UP = 0x141;
    VOLUME_DOWN = 0x142;
    VOLUME_MUTE = 0x143;

    // Power
    POWER = 0x140;
    POWER_TOGGLE = 0x16B;
    POWER_OFF = 0x16C;
    POWER_ON = 0x16D;

    // TV Functions
    INPUT_SELECT = 0x134;
}

// Reason parameter of the <Feature Abort> message.
// Values correspond to "CEC Table 29 Operand Descriptions" in the HDMI CEC 1.4b spec,
// offset by 10.
enum FeatureAbortReason {
    FEATURE_ABORT_REASON_UNKNOWN = 0;
    UNRECOGNIZED_OPCODE = 10;
    NOT_IN_CORRECT_MODE_TO_RESPOND = 11;
    CANNOT_PROVIDE_SOURCE = 12;
    INVALID_OPERAND = 13;
    REFUSED = 14;
    UNABLE_TO_DETERMINE = 15;
}

// State of the eARC connection.
// Values correspond to EarcStatus in com.android.server.hdmi.Constants, offset by 1.
enum ConnectionState {
    HDMI_EARC_STATUS_UNKNOWN = 0;
    HDMI_EARC_STATUS_IDLE = 1;
    HDMI_EARC_STATUS_EARC_PENDING = 2;
    HDMI_EARC_STATUS_ARC_PENDING = 3;
    HDMI_EARC_STATUS_EARC_CONNECTED = 4;

}

// Reason parameter of the eARC connection state logging.
enum LogReason {
    LOG_REASON_UNKNOWN = 0;
    LOG_REASON_WAKE = 1;
    LOG_REASON_EARC_STATUS_CHANGED = 2;
    LOG_REASON_EARC_STATUS_CHANGED_UNSUPPORTED_PORT = 3;
    LOG_REASON_EARC_STATUS_CHANGED_WRONG_STATE = 4;
}

// Reason parameter of the Dynamic soundbar mode state logging.
enum DynamicSoundbarModeLogReason {
    LOG_REASON_DSM_UNKNOWN = 0;
    LOG_REASON_DSM_WAKE = 1;
    LOG_REASON_DSM_SETTING_TOGGLED = 2;
}