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/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
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* modification, are permitted provided that the following conditions are
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* with the distribution.
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* from this software without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <hidl/HidlTransportSupport.h>
#include "thermalConfig.h"
#include "thermalUtils.h"
namespace android {
namespace hardware {
namespace thermal {
namespace V2_0 {
namespace implementation {
ThermalUtils::ThermalUtils(const ueventCB &inp_cb):
cfg(),
cmnInst(),
monitor(std::bind(&ThermalUtils::ueventParse, this,
std::placeholders::_1,
std::placeholders::_2)),
cb(inp_cb)
{
int ret = 0;
std::vector<struct therm_sensor> sensorList;
std::vector<struct therm_sensor>::iterator it;
is_sensor_init = false;
is_cdev_init = false;
ret = cmnInst.initThermalZones(cfg.fetchConfig());
if (ret > 0) {
is_sensor_init = true;
sensorList = cmnInst.fetch_sensor_list();
std::lock_guard<std::mutex> _lock(sens_cb_mutex);
for (it = sensorList.begin(); it != sensorList.end(); it++) {
thermalConfig[it->sensor_name] = *it;
cmnInst.read_temperature(&(*it));
cmnInst.initThreshold(*it);
}
monitor.start();
}
ret = cmnInst.initCdev();
if (ret > 0) {
is_cdev_init = true;
cdevList = cmnInst.fetch_cdev_list();
}
}
void ThermalUtils::ueventParse(std::string sensor_name, int temp)
{
std::unordered_map<std::string, struct therm_sensor>::iterator it;
struct therm_sensor sens;
LOG(INFO) << "uevent triggered for sensor: " << sensor_name
<< std::endl;
it = thermalConfig.find(sensor_name);
if (it == thermalConfig.end()) {
LOG(DEBUG) << "sensor is not monitored:" << sensor_name
<< std::endl;
return;
}
sens = it->second;
std::lock_guard<std::mutex> _lock(sens_cb_mutex);
sens.t.value = (float)temp / (float)sens.mulFactor;
cmnInst.estimateSeverity(&sens);
if (sens.lastThrottleStatus != sens.t.throttlingStatus) {
LOG(INFO) << "sensor: " << sensor_name <<" old: " <<
(int)sens.lastThrottleStatus << " new: " <<
(int)sens.t.throttlingStatus << std::endl;
cb(sens.t);
cmnInst.initThreshold(sens);
}
}
int ThermalUtils::readTemperatures(hidl_vec<Temperature_1_0>& temp)
{
std::unordered_map<std::string, struct therm_sensor>::iterator it;
int ret = 0, idx = 0;
std::vector<Temperature_1_0> _temp_v;
if (!is_sensor_init)
return 0;
for (it = thermalConfig.begin(); it != thermalConfig.end();
it++, idx++) {
struct therm_sensor sens = it->second;
Temperature_1_0 _temp;
/* v1 supports only CPU, GPU, Battery and SKIN */
if (sens.t.type > TemperatureType::SKIN)
continue;
ret = cmnInst.read_temperature(&sens);
if (ret < 0)
return ret;
_temp.currentValue = sens.t.value;
_temp.name = sens.t.name;
_temp.type = (TemperatureType_1_0)sens.t.type;
_temp.throttlingThreshold = sens.thresh.hotThrottlingThresholds[
(size_t)ThrottlingSeverity::SEVERE];
_temp.shutdownThreshold = sens.thresh.hotThrottlingThresholds[
(size_t)ThrottlingSeverity::SHUTDOWN];
_temp.vrThrottlingThreshold = sens.thresh.vrThrottlingThreshold;
_temp_v.push_back(_temp);
}
temp = _temp_v;
return temp.size();
}
int ThermalUtils::readTemperatures(bool filterType, TemperatureType type,
hidl_vec<Temperature>& temp)
{
std::unordered_map<std::string, struct therm_sensor>::iterator it;
int ret = 0;
std::vector<Temperature> _temp;
for (it = thermalConfig.begin(); it != thermalConfig.end(); it++) {
struct therm_sensor sens = it->second;
if (filterType && sens.t.type != type)
continue;
ret = cmnInst.read_temperature(&sens);
if (ret < 0)
return ret;
_temp.push_back(sens.t);
}
temp = _temp;
return temp.size();
}
int ThermalUtils::readTemperatureThreshold(bool filterType, TemperatureType type,
hidl_vec<TemperatureThreshold>& thresh)
{
std::unordered_map<std::string, struct therm_sensor>::iterator it;
std::vector<TemperatureThreshold> _thresh;
for (it = thermalConfig.begin(); it != thermalConfig.end(); it++) {
struct therm_sensor sens = it->second;
if (filterType && sens.t.type != type)
continue;
_thresh.push_back(sens.thresh);
}
thresh = _thresh;
return thresh.size();
}
int ThermalUtils::readCdevStates(bool filterType, cdevType type,
hidl_vec<CoolingDevice>& cdev_out)
{
int ret = 0;
std::vector<CoolingDevice> _cdev;
for (struct therm_cdev cdev: cdevList) {
if (filterType && cdev.c.type != type)
continue;
ret = cmnInst.read_cdev_state(&cdev);
if (ret < 0)
return ret;
_cdev.push_back(cdev.c);
}
cdev_out = _cdev;
return cdev_out.size();
}
int ThermalUtils::fetchCpuUsages(hidl_vec<CpuUsage>& cpu_usages)
{
return cmnInst.get_cpu_usages(cpu_usages);
}
} // namespace implementation
} // namespace V2_0
} // namespace thermal
} // namespace hardware
} // namespace android