/*
 * Copyright (C) 2018 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";

// C++ namespace: android::hardware::google::pixel::PixelAtoms
package android.hardware.google.pixel.PixelAtoms;

option java_package = "android.hardware.google.pixel";
option java_outer_classname = "PixelAtoms";

/*
 * Please note that the following features are not currently supported by
 * the IStats->reportVendorAtom implementation:
 *   - types outside of int, long, float, and string (ex. uint)
 *   - submessages within an atom
 *   - repeated fields - arrays must be unrolled
 *   - field # 1 - this will be occupied by the vendor namespace
 */

/* Allocated Westworld atom IDs. */
enum Ids {
    // AOSP atom ID range starts at 105000
    CHARGE_STATS = 105000;
    VOLTAGE_TIER_STATS = 105001;
    BATTERY_CAPACITY = 105002;
    // AOSP atom ID range ends at 109999
}

/* Westworld-supported reverse domain names. */
message ReverseDomainNames {
    optional string pixel = 1 [default = "com.google.pixel"];
}

/* A message containing detailed statistics and debug information about a charge session. */
message ChargeStats {
    /* Charge Adapter stats. */
    enum AdapterType {
        ADAPTER_TYPE_UNKNOWN = 0;
        ADAPTER_TYPE_USB = 1;
        ADAPTER_TYPE_USB_SDP = 2;
        ADAPTER_TYPE_USB_DCP = 3;
        ADAPTER_TYPE_USB_CDP = 4;
        ADAPTER_TYPE_USB_ACA = 5;
        ADAPTER_TYPE_USB_C = 6;
        ADAPTER_TYPE_USB_PD = 7;
        ADAPTER_TYPE_USB_PD_DRP = 8;
        ADAPTER_TYPE_USB_PD_PPS = 9;
        ADAPTER_TYPE_USB_PD_BRICKID = 10;
        ADAPTER_TYPE_HVDCP = 11;
        ADAPTER_TYPE_HVDCP3 = 12;
        ADAPTER_TYPE_WLC  = 13;
        ADAPTER_TYPE_WLC_EPP = 14;
        ADAPTER_TYPE_WLC_SPP = 15;
        ADAPTER_TYPE_FLOAT = 16;
    }
    /* Type of charge adapter, enumerated above. */
    optional AdapterType adapter_type = 2;
    /* Max negotiated voltage by charge adapter, in mV. */
    optional int32 adapter_voltage = 3;
    /* Max negotiated current by charge adapter current, in mA. */
    optional int32 adapter_amperage = 4;

    /* Stats at beginning of charge session. */
    /* System State of Charge, in percent. */
    optional int32 ssoc_in = 5;
    /* Voltage in mV. */
    optional int32 voltage_in = 6;

    /* Stats at end of charge session. */
    /* System State of Charge, in percent. */
    optional int32 ssoc_out = 7;
    /* Voltage in mV. */
    optional int32 voltage_out = 8;
}

/* A message containing stats from each charge voltage tier. */
message VoltageTierStats {
    /* Voltage tier number, custom to implementation, should be <= 3. */
    optional int32 voltage_tier = 2;

    /* Stats when entering voltage tier. */
    /* State of charge, in percent. */
    optional float soc_in = 3;
    /* Coulomb count, in mAh. */
    optional int32 cc_in = 4;
    /* Battery temperature, in deciC. */
    optional int32 temp_in = 5;

    /* Time spent at various charge speeds, in seconds. */
    optional int32 time_fast_secs = 6;
    optional int32 time_taper_secs = 7;
    optional int32 time_other_secs = 8;

    /* Battery temperature stats, in deciC. */
    optional int32 temp_min = 9;
    optional int32 temp_avg = 10;
    optional int32 temp_max = 11;

    /* Battery current stats, in mA. */
    optional int32 ibatt_min = 12;
    optional int32 ibatt_avg = 13;
    optional int32 ibatt_max = 14;

    /* Input current limit stats, in mA. */
    optional int32 icl_min = 15;
    optional int32 icl_avg = 16;
    optional int32 icl_max = 17;
}

/* A message containing an alternate proprietary full battery capacity estimate. */
message BatteryCapacity {
    /* Sum of the change in coulomb count. */
    optional int32 delta_cc_sum = 2;
    /* Sum of the change in state of charge (battery level). */
    optional int32 delta_vfsoc_sum = 3;
}