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Merge "thermal: add hal objects."

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TreeHugger Robot 2016-10-17 13:45:47 +00:00 committed by Android (Google) Code Review
commit ca586fbd90
11 changed files with 922 additions and 0 deletions
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2
Android.bp
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@ -30,6 +30,8 @@ subdirs = [
"tests/libhwbinder/1.0",
"tests/msgq/1.0",
"tests/pointer/1.0",
"thermal/1.0",
"thermal/1.0/default",
"vehicle/2.0",
"vibrator/1.0",
"wifi/1.0",

46
thermal/1.0/Android.bp Normal file
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// This file is autogenerated by hidl-gen. Do not edit manually.
genrule {
name: "android.hardware.thermal@1.0_genc++",
tool: "hidl-gen",
cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.thermal@1.0",
srcs: [
"types.hal",
"IThermal.hal",
],
out: [
"android/hardware/thermal/1.0/types.cpp",
"android/hardware/thermal/1.0/ThermalAll.cpp",
],
}
genrule {
name: "android.hardware.thermal@1.0_genc++_headers",
tool: "hidl-gen",
cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.thermal@1.0",
srcs: [
"types.hal",
"IThermal.hal",
],
out: [
"android/hardware/thermal/1.0/types.h",
"android/hardware/thermal/1.0/IThermal.h",
"android/hardware/thermal/1.0/IHwThermal.h",
"android/hardware/thermal/1.0/BnThermal.h",
"android/hardware/thermal/1.0/BpThermal.h",
"android/hardware/thermal/1.0/BsThermal.h",
],
}
cc_library_shared {
name: "android.hardware.thermal@1.0",
generated_sources: ["android.hardware.thermal@1.0_genc++"],
generated_headers: ["android.hardware.thermal@1.0_genc++_headers"],
export_generated_headers: ["android.hardware.thermal@1.0_genc++_headers"],
shared_libs: [
"libhidl",
"libhwbinder",
"libutils",
"libcutils",
],
}

306
thermal/1.0/Android.mk Normal file
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# This file is autogenerated by hidl-gen. Do not edit manually.
LOCAL_PATH := $(call my-dir)
################################################################################
include $(CLEAR_VARS)
LOCAL_MODULE := android.hardware.thermal@1.0-java
LOCAL_MODULE_CLASS := JAVA_LIBRARIES
intermediates := $(local-generated-sources-dir)
HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
#
# Build types.hal (CoolingDevice)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/CoolingDevice.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.CoolingDevice
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (CoolingType)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/CoolingType.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.CoolingType
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (CpuUsage)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/CpuUsage.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.CpuUsage
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (Temperature)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/Temperature.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.Temperature
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (TemperatureType)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/TemperatureType.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.TemperatureType
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (ThermalStatus)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/ThermalStatus.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.ThermalStatus
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (ThermalStatusCode)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/ThermalStatusCode.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.ThermalStatusCode
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build IThermal.hal
#
GEN := $(intermediates)/android/hardware/thermal/1.0/IThermal.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IThermal.hal
$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
$(GEN): $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::IThermal
$(GEN): $(LOCAL_PATH)/IThermal.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
include $(BUILD_JAVA_LIBRARY)
################################################################################
include $(CLEAR_VARS)
LOCAL_MODULE := android.hardware.thermal@1.0-java-static
LOCAL_MODULE_CLASS := JAVA_LIBRARIES
intermediates := $(local-generated-sources-dir)
HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
#
# Build types.hal (CoolingDevice)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/CoolingDevice.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.CoolingDevice
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (CoolingType)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/CoolingType.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.CoolingType
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (CpuUsage)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/CpuUsage.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.CpuUsage
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (Temperature)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/Temperature.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.Temperature
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (TemperatureType)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/TemperatureType.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.TemperatureType
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (ThermalStatus)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/ThermalStatus.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.ThermalStatus
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build types.hal (ThermalStatusCode)
#
GEN := $(intermediates)/android/hardware/thermal/1.0/ThermalStatusCode.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::types.ThermalStatusCode
$(GEN): $(LOCAL_PATH)/types.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
#
# Build IThermal.hal
#
GEN := $(intermediates)/android/hardware/thermal/1.0/IThermal.java
$(GEN): $(HIDL)
$(GEN): PRIVATE_HIDL := $(HIDL)
$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IThermal.hal
$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
$(GEN): $(LOCAL_PATH)/types.hal
$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
$(GEN): PRIVATE_CUSTOM_TOOL = \
$(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-Ljava -randroid.hardware:hardware/interfaces \
android.hardware.thermal@1.0::IThermal
$(GEN): $(LOCAL_PATH)/IThermal.hal
$(transform-generated-source)
LOCAL_GENERATED_SOURCES += $(GEN)
include $(BUILD_STATIC_JAVA_LIBRARY)
include $(call all-makefiles-under,$(LOCAL_PATH))

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thermal/1.0/IThermal.hal Normal file
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/*
* Copyright (C) 2016 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.
*/
package android.hardware.thermal@1.0;
interface IThermal {
/*
* Retrieves temperatures in Celsius.
*
* @return status Status of the operation. If status code is FAILURE,
* the status.debugMessage must be populated with the human-readable
* error message.
* @return temperatures If status code is SUCCESS, it's filled with the
* current temperatures. The order of temperatures of built-in
* devices (such as CPUs, GPUs and etc.) in the list must be kept
* the same regardless the number of calls to this method even if
* they go offline, if these devices exist on boot. The method
* always returns and never removes such temperatures.
*
*/
getTemperatures()
generates (ThermalStatus status, vec<Temperature> temperatures);
/*
* Retrieves CPU usage information of each core: active and total times
* in ms since first boot.
*
* @return status Status of the operation. If status code is FAILURE,
* the status.debugMessage must be populated with the human-readable
* error message.
* @return cpuUsages If status code is SUCCESS, it's filled with the current
* CPU usages. The order and number of CPUs in the list must be kept
* the same regardless the number of calls to this method.
*
*/
getCpuUsages() generates (ThermalStatus status, vec<CpuUsage> cpuUsages);
/*
* Retrieves the cooling devices information.
*
* @return status Status of the operation. If status code is FAILURE,
* the status.debugMessage must be populated with the human-readable
* error message.
* @return devices If status code is SUCCESS, it's filled with the current
* cooling device information. The order of built-in coolling
* devices in the list must be kept the same regardless the number
* of calls to this method even if they go offline, if these devices
* exist on boot. The method always returns and never removes from
* the list such coolling devices.
*
*/
getCoolingDevices()
generates (ThermalStatus status, vec<CoolingDevice> devices);
};

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cc_library_shared {
name: "android.hardware.thermal@1.0-impl",
relative_install_path: "hw",
srcs: ["Thermal.cpp"],
shared_libs: [
"liblog",
"libcutils",
"libhardware",
"libhwbinder",
"libbase",
"libcutils",
"libutils",
"libhidl",
"android.hardware.thermal@1.0",
],
}

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thermal/1.0/default/Android.mk Normal file
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#
# Copyright (C) 2016 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.
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE_RELATIVE_PATH := hw
LOCAL_MODULE := android.hardware.thermal@1.0-service
LOCAL_INIT_RC := android.hardware.thermal@1.0-service.rc
LOCAL_SRC_FILES := \
service.cpp \
LOCAL_SHARED_LIBRARIES := \
liblog \
libcutils \
libdl \
libbase \
libutils \
libhardware_legacy \
libhardware \
LOCAL_SHARED_LIBRARIES += \
libhwbinder \
libhidl \
android.hardware.thermal@1.0 \
include $(BUILD_EXECUTABLE)

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thermal/1.0/default/Thermal.cpp Normal file
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/*
* Copyright (C) 2016 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.
*/
#define LOG_TAG "android.hardware.thermal@1.0-impl"
#include <utils/Log.h>
#include <errno.h>
#include <hardware/hardware.h>
#include <hardware/thermal.h>
#include "Thermal.h"
namespace android {
namespace hardware {
namespace thermal {
namespace V1_0 {
namespace implementation {
Thermal::Thermal(thermal_module_t* module) : mModule(module) {
}
// Methods from ::android::hardware::thermal::V1_0::IThermal follow.
Return<void> Thermal::getTemperatures(getTemperatures_cb _hidl_cb) {
ThermalStatus status;
status.code = ThermalStatusCode::SUCCESS;
hidl_vec<Temperature> temperatures;
if (!mModule || !mModule->getTemperatures) {
ALOGI("getTemperatures is not implemented in Thermal HAL.");
_hidl_cb(status, temperatures);
return Void();
}
ssize_t list_size = mModule->getTemperatures(mModule, nullptr, 0);
if (list_size >= 0) {
temperature_t *list = new temperature_t[list_size];
ssize_t size = mModule->getTemperatures(mModule, list, list_size);
if (size >= 0) {
if (list_size > size) {
list_size = size;
}
temperatures.resize(list_size);
for (ssize_t i = 0; i < list_size; ++i) {
switch (list[i].type) {
case DEVICE_TEMPERATURE_UNKNOWN:
temperatures[i].type = TemperatureType::UNKNOWN;
break;
case DEVICE_TEMPERATURE_CPU:
temperatures[i].type = TemperatureType::CPU;
break;
case DEVICE_TEMPERATURE_GPU:
temperatures[i].type = TemperatureType::GPU;
break;
case DEVICE_TEMPERATURE_BATTERY:
temperatures[i].type = TemperatureType::BATTERY;
break;
case DEVICE_TEMPERATURE_SKIN:
temperatures[i].type = TemperatureType::SKIN;
break;
default:
ALOGE("Unknown temperature %s type", list[i].name);;
}
temperatures[i].name = list[i].name;
temperatures[i].currentValue = list[i].current_value;
temperatures[i].throttlingThreshold = list[i].throttling_threshold;
temperatures[i].shutdownThreshold = list[i].shutdown_threshold;
temperatures[i].vrThrottlingThreshold = list[i].vr_throttling_threshold;
}
} else {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = strerror(-size);
}
delete[] list;
} else {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = strerror(-list_size);
}
_hidl_cb(status, temperatures);
return Void();
}
Return<void> Thermal::getCpuUsages(getCpuUsages_cb _hidl_cb) {
ThermalStatus status;
hidl_vec<CpuUsage> cpuUsages;
status.code = ThermalStatusCode::SUCCESS;
if (!mModule || !mModule->getCpuUsages) {
ALOGI("getCpuUsages is not implemented in Thermal HAL");
_hidl_cb(status, cpuUsages);
return Void();
}
ssize_t size = mModule->getCpuUsages(mModule, nullptr);
if (size >= 0) {
cpu_usage_t *list = new cpu_usage_t[size];
size = mModule->getCpuUsages(mModule, list);
if (size >= 0) {
cpuUsages.resize(size);
for (ssize_t i = 0; i < size; ++i) {
cpuUsages[i].name = list[i].name;
cpuUsages[i].active = list[i].active;
cpuUsages[i].total = list[i].total;
cpuUsages[i].isOnline = list[i].is_online;
}
} else {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = strerror(-size);
}
delete[] list;
} else {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = strerror(-size);
}
_hidl_cb(status, cpuUsages);
return Void();
}
Return<void> Thermal::getCoolingDevices(getCoolingDevices_cb _hidl_cb) {
ThermalStatus status;
status.code = ThermalStatusCode::SUCCESS;
hidl_vec<CoolingDevice> coolingDevices;
if (!mModule || !mModule->getCoolingDevices) {
ALOGI("getCoolingDevices is not implemented in Thermal HAL.");
_hidl_cb(status, coolingDevices);
return Void();
}
ssize_t list_size = mModule->getCoolingDevices(mModule, nullptr, 0);
if (list_size >= 0) {
cooling_device_t *list = new cooling_device_t[list_size];
ssize_t size = mModule->getCoolingDevices(mModule, list, list_size);
if (size >= 0) {
if (list_size > size) {
list_size = size;
}
coolingDevices.resize(list_size);
for (ssize_t i = 0; i < list_size; ++i) {
switch (list[i].type) {
case FAN_RPM:
coolingDevices[i].type = CoolingType::FAN_RPM;
break;
default:
ALOGE("Unknown cooling device %s type", list[i].name);
}
coolingDevices[i].name = list[i].name;
coolingDevices[i].currentValue = list[i].current_value;
}
} else {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = strerror(-size);
}
delete[] list;
} else {
status.code = ThermalStatusCode::FAILURE;
status.debugMessage = strerror(-list_size);
}
_hidl_cb(status, coolingDevices);
return Void();
}
IThermal* HIDL_FETCH_IThermal(const char* /* name */) {
thermal_module_t* module;
status_t err = hw_get_module(THERMAL_HARDWARE_MODULE_ID,
const_cast<hw_module_t const**>(reinterpret_cast<hw_module_t**>(&module)));
if (err || !module) {
ALOGE("Couldn't load %s module (%s)", THERMAL_HARDWARE_MODULE_ID,
strerror(-err));
}
if (err == 0 && module->common.methods->open) {
struct hw_device_t* device;
err = module->common.methods->open(&module->common, THERMAL_HARDWARE_MODULE_ID, &device);
if (err) {
ALOGE("Couldn't open %s module (%s)", THERMAL_HARDWARE_MODULE_ID, strerror(-err));
} else {
return new Thermal(reinterpret_cast<thermal_module_t*>(device));
}
}
return new Thermal(module);
}
} // namespace implementation
} // namespace V1_0
} // namespace thermal
} // namespace hardware
} // namespace android

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#ifndef HIDL_GENERATED_android_hardware_thermal_V1_0_Thermal_H_
#define HIDL_GENERATED_android_hardware_thermal_V1_0_Thermal_H_
#include <android/hardware/thermal/1.0/IThermal.h>
#include <hidl/Status.h>
#include <hardware/thermal.h>
#include <hidl/MQDescriptor.h>
namespace android {
namespace hardware {
namespace thermal {
namespace V1_0 {
namespace implementation {
using ::android::hardware::thermal::V1_0::CoolingDevice;
using ::android::hardware::thermal::V1_0::CpuUsage;
using ::android::hardware::thermal::V1_0::IThermal;
using ::android::hardware::thermal::V1_0::Temperature;
using ::android::hardware::thermal::V1_0::ThermalStatus;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::hidl_vec;
using ::android::hardware::hidl_string;
using ::android::sp;
struct Thermal : public IThermal {
Thermal(thermal_module_t* module);
// Methods from ::android::hardware::thermal::V1_0::IThermal follow.
Return<void> getTemperatures(getTemperatures_cb _hidl_cb) override;
Return<void> getCpuUsages(getCpuUsages_cb _hidl_cb) override;
Return<void> getCoolingDevices(getCoolingDevices_cb _hidl_cb) override;
private:
thermal_module_t* mModule;
};
extern "C" IThermal* HIDL_FETCH_IThermal(const char* name);
} // namespace implementation
} // namespace V1_0
} // namespace thermal
} // namespace hardware
} // namespace android
#endif // HIDL_GENERATED_android_hardware_thermal_V1_0_Thermal_H_

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service thermal-hal-1-0 /system/bin/hw/android.hardware.thermal@1.0-service
class hal
user system
group system readproc

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/*
* Copyright (C) 2016 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.
*/
#include <iostream>
#include <unistd.h>
#include <android/hardware/thermal/1.0/IThermal.h>
#include <hidl/IServiceManager.h>
#include <hwbinder/IPCThreadState.h>
#include <hwbinder/ProcessState.h>
#include <utils/Errors.h>
#define LOG_TAG "android.hardware.thermal@1.0-service"
#include <utils/Log.h>
#include <utils/StrongPointer.h>
using android::sp;
// libhwbinder:
using android::hardware::IPCThreadState;
using android::hardware::ProcessState;
// Generated HIDL files
using android::hardware::thermal::V1_0::IThermal;
int main() {
const char instance[] = "thermal";
sp<IThermal> service = IThermal::getService(instance, true /* getStub */);
if (service.get() == nullptr) {
ALOGE("IThermal::getService returned NULL, exiting");
return EXIT_FAILURE;
}
LOG_FATAL_IF(service->isRemote(), "Implementation is REMOTE!");
service->registerAsService(instance);
ProcessState::self()->setThreadPoolMaxThreadCount(0);
ProcessState::self()->startThreadPool();
IPCThreadState::self()->joinThreadPool();
}

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thermal/1.0/types.hal Normal file
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/*
* Copyright (C) 2016 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.
*/
package android.hardware.thermal@1.0;
/** Device temperature types */
enum TemperatureType : int32_t {
UNKNOWN = -1,
CPU = 0,
GPU = 1,
BATTERY = 2,
SKIN = 3,
};
enum CoolingType : int32_t {
/** Fan cooling device speed in RPM. */
FAN_RPM = 0,
};
struct Temperature {
/**
* This temperature's type.
*/
TemperatureType type;
/**
* Name of this temperature.
* All temperatures of the same "type" must have a different "name",
* e.g., cpu0, battery.
*/
string name;
/**
* Current temperature in Celsius. If not available set by HAL to
* UNKNOWN_TEMPERATURE.
* Current temperature can be in any units if type=UNKNOWN.
*/
float currentValue;
/**
* Throttling temperature constant for this temperature.
* If not available, set by HAL to UNKNOWN_TEMPERATURE.
*/
float throttlingThreshold;
/**
* Shutdown temperature constant for this temperature.
* If not available, set by HAL to UNKNOWN_TEMPERATURE.
*/
float shutdownThreshold;
/**
* Threshold temperature above which the VR mode clockrate minimums cannot
* be maintained for this device.
* If not available, set by HAL to UNKNOWN_TEMPERATURE.
*/
float vrThrottlingThreshold;
};
struct CoolingDevice {
/**
* This cooling device type.
*/
CoolingType type;
/**
* Name of this cooling device.
* All cooling devices of the same "type" must have a different "name".
*/
string name;
/**
* Current cooling device value. Units depend on cooling device "type".
*/
float currentValue;
};
struct CpuUsage {
/**
* Name of this CPU.
* All CPUs must have a different "name".
*/
string name;
/**
* Active time since the last boot in ms.
*/
uint64_t active;
/**
* Total time since the last boot in ms.
*/
uint64_t total;
/**
* Is set to true when a core is online.
* If the core is offline, all other members except |name| should be ignored.
*/
bool isOnline;
};
enum ThermalStatusCode : uint32_t {
/** No errors. */
SUCCESS,
/** Unknown failure occured. */
FAILURE
};
/**
* Generic structure to return the status of any thermal operation.
*/
struct ThermalStatus {
ThermalStatusCode code;
/**
* A specific error message to provide more information.
* This can be used for debugging purposes only.
*/
string debugMessage;
};
/**
* TODO(pbond): add float constant UNDEFINED_TEMPERATURE.
*/