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/*
* 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.
*/
#pragma once
#include <android/hardware/thermal/2.0/IThermal.h>
#include <string>
#include <unordered_map>
namespace android {
namespace hardware {
namespace thermal {
namespace V2_0 {
namespace implementation {
using ::android::hardware::hidl_enum_range;
using CoolingType_2_0 = ::android::hardware::thermal::V2_0::CoolingType;
using TemperatureType_2_0 = ::android::hardware::thermal::V2_0::TemperatureType;
using ::android::hardware::thermal::V2_0::ThrottlingSeverity;
constexpr size_t kThrottlingSeverityCount = std::distance(
hidl_enum_range<ThrottlingSeverity>().begin(), hidl_enum_range<ThrottlingSeverity>().end());
using ThrottlingArray = std::array<float, static_cast<size_t>(kThrottlingSeverityCount)>;
using CdevArray = std::array<int, static_cast<size_t>(kThrottlingSeverityCount)>;
constexpr std::chrono::milliseconds kMinPollIntervalMs = std::chrono::milliseconds(2000);
constexpr std::chrono::milliseconds kUeventPollTimeoutMs = std::chrono::milliseconds(300000);
enum FormulaOption : uint32_t {
COUNT_THRESHOLD = 0,
WEIGHTED_AVG,
MAXIMUM,
MINIMUM,
};
struct VirtualSensorInfo {
std::vector<std::string> linked_sensors;
std::vector<float> coefficients;
float offset;
std::string trigger_sensor;
FormulaOption formula;
};
struct VirtualPowerRailInfo {
std::vector<std::string> linked_power_rails;
std::vector<float> coefficients;
float offset;
FormulaOption formula;
};
// The method when the ODPM power is lower than threshold
enum ReleaseLogic : uint32_t {
INCREASE = 0, // Increase throttling by step
DECREASE, // Decrease throttling by step
STEPWISE, // Support both increase and decrease logix
RELEASE_TO_FLOOR, // Release throttling to floor directly
NONE,
};
struct BindedCdevInfo {
CdevArray limit_info;
ThrottlingArray power_thresholds;
ReleaseLogic release_logic;
ThrottlingArray cdev_weight_for_pid;
CdevArray cdev_ceiling;
int max_release_step;
int max_throttle_step;
CdevArray cdev_floor_with_power_link;
std::string power_rail;
// The flag for activate release logic when power is higher than power threshold
bool high_power_check;
// The flag for only triggering throttling until all power samples are collected
bool throttling_with_power_link;
};
struct ThrottlingInfo {
ThrottlingArray k_po;
ThrottlingArray k_pu;
ThrottlingArray k_i;
ThrottlingArray k_d;
ThrottlingArray i_max;
ThrottlingArray max_alloc_power;
ThrottlingArray min_alloc_power;
ThrottlingArray s_power;
ThrottlingArray i_cutoff;
float i_default;
int tran_cycle;
std::unordered_map<std::string, BindedCdevInfo> binded_cdev_info_map;
};
struct SensorInfo {
TemperatureType_2_0 type;
ThrottlingArray hot_thresholds;
ThrottlingArray cold_thresholds;
ThrottlingArray hot_hysteresis;
ThrottlingArray cold_hysteresis;
std::string temp_path;
float vr_threshold;
float multiplier;
std::chrono::milliseconds polling_delay;
std::chrono::milliseconds passive_delay;
std::chrono::milliseconds time_resolution;
bool send_cb;
bool send_powerhint;
bool is_watch;
bool is_hidden;
std::unique_ptr<VirtualSensorInfo> virtual_sensor_info;
std::shared_ptr<ThrottlingInfo> throttling_info;
};
struct CdevInfo {
CoolingType_2_0 type;
std::string read_path;
std::string write_path;
std::vector<float> state2power;
int max_state;
};
struct PowerRailInfo {
std::string rail;
int power_sample_count;
std::chrono::milliseconds power_sample_delay;
std::unique_ptr<VirtualPowerRailInfo> virtual_power_rail_info;
};
bool ParseSensorInfo(std::string_view config_path,
std::unordered_map<std::string, SensorInfo> *sensors_parsed);
bool ParseCoolingDevice(std::string_view config_path,
std::unordered_map<std::string, CdevInfo> *cooling_device_parsed);
bool ParsePowerRailInfo(std::string_view config_path,
std::unordered_map<std::string, PowerRailInfo> *power_rail_parsed);
} // namespace implementation
} // namespace V2_0
} // namespace thermal
} // namespace hardware
} // namespace android
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