thermal/thermal-helper.h

/*
 * Copyright (c) 2017, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * *    * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 *       copyright notice, this list of conditions and the following
 *       disclaimer in the documentation and/or other materials provided
 *       with the distribution.
 *     * Neither the name of The Linux Foundation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __THERMAL_HELPER_H__
#define __THERMAL_HELPER_H__

#include <android/hardware/thermal/1.1/IThermal.h>

namespace android {
namespace hardware {
namespace thermal {
namespace V1_1 {
namespace implementation {

using ::android::hardware::thermal::V1_0::CpuUsage;
using ::android::hardware::thermal::V1_0::Temperature;

constexpr const char *kCpuUsageFile = "/proc/stat";
constexpr const char *kTemperatureFileFormat = "/sys/class/thermal/thermal_zone%d/temp";
constexpr const char *kCpuOnlineFileFormat = "/sys/devices/system/cpu/cpu%d/online";

// thermal-engine.conf
constexpr unsigned int kWalleyeSkinSensorNum = 14;
constexpr auto         kWalleyeSkinSensorType = "back_therm";
constexpr unsigned int kWalleyeTsensOffset = 16;
constexpr unsigned int kWalleyeSkinThrottlingThreshold = 40;
constexpr unsigned int kWalleyeSkinShutdownThreshold = 56;
constexpr unsigned int kWalleyeVrThrottledBelowMin = 52;

constexpr unsigned int kTaimenRabSkinSensorNum = 13;
constexpr auto         kTaimenRabSkinSensorType = "bd_therm";
constexpr unsigned int kTaimenRabTsensOffset = 14;
constexpr unsigned int kTaimenRabSkinThrottlingThreshold = 49;
constexpr unsigned int kTaimenRabSkinShutdownThreshold = 66;
constexpr unsigned int kTaimenRabVrThrottledBelowMin = 62;

constexpr unsigned int kTaimenRcSkinSensorNum = 13;
constexpr auto         kTaimenRcSkinSensorType = "bd_therm2";
constexpr unsigned int kTaimenRcTsensOffset = 14;
constexpr unsigned int kTaimenRcSkinThrottlingThreshold = 38;
constexpr unsigned int kTaimenRcSkinShutdownThreshold = 54;
constexpr unsigned int kTaimenRcVrThrottledBelowMin = 50;

constexpr unsigned int kUsbcSensorNum = 6;
constexpr unsigned int kBatterySensorNum = 5;
// The gpu thermal sensor is tsens_tz_sensor13.
constexpr unsigned int kGpuTsensOffset = 11;
constexpr unsigned int kCpuNum = 8;

constexpr const char *kGpuLabel = "GPU";
constexpr const char *kBatteryLabel = "battery";
constexpr const char *kSkinLabel = "skin";
constexpr const char *kUsbcLabel = "usbc";
constexpr const char *kCpuLabel[kCpuNum] = {"CPU0", "CPU1", "CPU2", "CPU3", "CPU4", "CPU5", "CPU6", "CPU7"};
constexpr int kCpuTsensOffset[kCpuNum] = {1, 2, 4, 3, 5, 6, 7, 8};

// Sum of kCpuNum + 4 for GPU, BATTERY, SKIN, and USB-C.
constexpr unsigned int kTemperatureNum = 4 + kCpuNum;

// qcom, therm-reset-temp
constexpr unsigned int kCpuShutdownThreshold = 115;
// qcom,freq-mitigation-temp
constexpr unsigned int kCpuThrottlingThreshold = 95;

// config_shutdownBatteryTemperature in overlay/frameworks/base/core/res/res/values/config.xml
constexpr unsigned int kBatteryShutdownThreshold = 60;


bool initThermal();
ssize_t fillTemperatures(hidl_vec<Temperature> *temperatures);
ssize_t fillCpuUsages(hidl_vec<CpuUsage> *cpuUsages);
std::string getTargetSkinSensorType();

}  // namespace implementation
}  // namespace V1_1
}  // namespace thermal
}  // namespace hardware
}  // namespace android

#endif //__THERMAL_HELPER_H__