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341 lines
12 KiB
341 lines
12 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define ATRACE_TAG (ATRACE_TAG_POWER | ATRACE_TAG_HAL)
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#define LOG_TAG "android.hardware.power@1.3-service.samsung-libperfmgr"
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/properties.h>
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#include <android-base/stringprintf.h>
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#include <android-base/strings.h>
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#include <mutex>
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#include <utils/Log.h>
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#include <utils/Trace.h>
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#include "Power.h"
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namespace android {
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namespace hardware {
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namespace power {
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namespace V1_3 {
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namespace implementation {
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::power::V1_0::Feature;
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using ::android::hardware::power::V1_0::Status;
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constexpr char kPowerHalStateProp[] = "vendor.powerhal.state";
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constexpr char kPowerHalAudioProp[] = "vendor.powerhal.audio";
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constexpr char kPowerHalInitProp[] = "vendor.powerhal.init";
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constexpr char kPowerHalRenderingProp[] = "vendor.powerhal.rendering";
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constexpr char kPowerHalConfigPath[] = "/vendor/etc/powerhint.json";
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Power::Power()
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: mHintManager(nullptr),
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mInteractionHandler(nullptr),
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mVRModeOn(false),
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mSustainedPerfModeOn(false),
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mCameraStreamingMode(false),
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mReady(false) {
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mInitThread = std::thread([this]() {
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android::base::WaitForProperty(kPowerHalInitProp, "1");
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mHintManager = HintManager::GetFromJSON(kPowerHalConfigPath);
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if (!mHintManager) {
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LOG(FATAL) << "Invalid config: " << kPowerHalConfigPath;
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}
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mInteractionHandler = std::make_unique<InteractionHandler>(mHintManager);
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mInteractionHandler->Init();
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std::string state = android::base::GetProperty(kPowerHalStateProp, "");
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if (state == "CAMERA_STREAMING") {
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ALOGI("Initialize with CAMERA_STREAMING on");
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mHintManager->DoHint("CAMERA_STREAMING");
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mCameraStreamingMode = true;
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} else if (state == "SUSTAINED_PERFORMANCE") {
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ALOGI("Initialize with SUSTAINED_PERFORMANCE on");
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mHintManager->DoHint("SUSTAINED_PERFORMANCE");
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mSustainedPerfModeOn = true;
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} else if (state == "VR_MODE") {
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ALOGI("Initialize with VR_MODE on");
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mHintManager->DoHint("VR_MODE");
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mVRModeOn = true;
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} else if (state == "VR_SUSTAINED_PERFORMANCE") {
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ALOGI("Initialize with SUSTAINED_PERFORMANCE and VR_MODE on");
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mHintManager->DoHint("VR_SUSTAINED_PERFORMANCE");
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mSustainedPerfModeOn = true;
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mVRModeOn = true;
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} else {
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ALOGI("Initialize PowerHAL");
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}
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state = android::base::GetProperty(kPowerHalAudioProp, "");
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if (state == "AUDIO_LOW_LATENCY") {
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ALOGI("Initialize with AUDIO_LOW_LATENCY on");
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mHintManager->DoHint("AUDIO_LOW_LATENCY");
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}
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state = android::base::GetProperty(kPowerHalRenderingProp, "");
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if (state == "EXPENSIVE_RENDERING") {
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ALOGI("Initialize with EXPENSIVE_RENDERING on");
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mHintManager->DoHint("EXPENSIVE_RENDERING");
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}
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// Now start to take powerhint
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mReady.store(true);
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ALOGI("PowerHAL ready to process hints");
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});
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mInitThread.detach();
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}
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Return<void> Power::updateHint(const char *hint, bool enable) {
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if (!mReady) {
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return Void();
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}
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if (enable) {
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mHintManager->DoHint(hint);
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} else {
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mHintManager->EndHint(hint);
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}
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return Void();
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}
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// Methods from ::android::hardware::power::V1_0::IPower follow.
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Return<void> Power::setInteractive(bool interactive) {
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return updateHint("NOT_INTERACTIVE", !interactive);
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}
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Return<void> Power::powerHint(PowerHint_1_0 hint, int32_t data) {
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if (!mReady) {
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return Void();
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}
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ATRACE_INT(android::hardware::power::V1_0::toString(hint).c_str(), data);
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ALOGD_IF(hint != PowerHint_1_0::INTERACTION, "%s: %d",
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android::hardware::power::V1_0::toString(hint).c_str(), static_cast<int>(data));
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switch (hint) {
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case PowerHint_1_0::INTERACTION:
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if (mVRModeOn || mSustainedPerfModeOn) {
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ALOGV("%s: ignoring due to other active perf hints", __func__);
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} else {
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mInteractionHandler->Acquire(data);
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}
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break;
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case PowerHint_1_0::SUSTAINED_PERFORMANCE:
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if (data && !mSustainedPerfModeOn) {
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if (!mVRModeOn) { // Sustained mode only.
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mHintManager->DoHint("SUSTAINED_PERFORMANCE");
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} else { // Sustained + VR mode.
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mHintManager->EndHint("VR_MODE");
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mHintManager->DoHint("VR_SUSTAINED_PERFORMANCE");
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}
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mSustainedPerfModeOn = true;
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} else if (!data && mSustainedPerfModeOn) {
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mHintManager->EndHint("VR_SUSTAINED_PERFORMANCE");
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mHintManager->EndHint("SUSTAINED_PERFORMANCE");
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if (mVRModeOn) { // Switch back to VR Mode.
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mHintManager->DoHint("VR_MODE");
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}
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mSustainedPerfModeOn = false;
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}
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break;
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case PowerHint_1_0::VR_MODE:
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if (data && !mVRModeOn) {
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if (!mSustainedPerfModeOn) { // VR mode only.
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mHintManager->DoHint("VR_MODE");
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} else { // Sustained + VR mode.
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mHintManager->EndHint("SUSTAINED_PERFORMANCE");
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mHintManager->DoHint("VR_SUSTAINED_PERFORMANCE");
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}
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mVRModeOn = true;
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} else if (!data && mVRModeOn) {
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mHintManager->EndHint("VR_SUSTAINED_PERFORMANCE");
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mHintManager->EndHint("VR_MODE");
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if (mSustainedPerfModeOn) { // Switch back to sustained Mode.
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mHintManager->DoHint("SUSTAINED_PERFORMANCE");
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}
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mVRModeOn = false;
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}
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break;
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case PowerHint_1_0::LAUNCH:
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if (mVRModeOn || mSustainedPerfModeOn) {
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ALOGV("%s: ignoring due to other active perf hints", __func__);
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} else {
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if (data) {
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// Hint until canceled
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mHintManager->DoHint("LAUNCH");
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} else {
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mHintManager->EndHint("LAUNCH");
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}
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}
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break;
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case PowerHint_1_0::LOW_POWER:
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break;
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default:
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break;
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}
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return Void();
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}
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Return<void> Power::setFeature(Feature /*feature*/, bool /*activate*/) {
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// Nothing to do
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return Void();
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}
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Return<void> Power::getPlatformLowPowerStats(getPlatformLowPowerStats_cb _hidl_cb) {
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LOG(ERROR) << "getPlatformLowPowerStats not supported. Use IPowerStats HAL.";
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_hidl_cb({}, Status::SUCCESS);
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return Void();
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}
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// Methods from ::android::hardware::power::V1_1::IPower follow.
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Return<void> Power::getSubsystemLowPowerStats(getSubsystemLowPowerStats_cb _hidl_cb) {
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LOG(ERROR) << "getSubsystemLowPowerStats not supported. Use IPowerStats HAL.";
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_hidl_cb({}, Status::SUCCESS);
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return Void();
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}
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Return<void> Power::powerHintAsync(PowerHint_1_0 hint, int32_t data) {
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// just call the normal power hint in this oneway function
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return powerHint(hint, data);
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}
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// Methods from ::android::hardware::power::V1_2::IPower follow.
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Return<void> Power::powerHintAsync_1_2(PowerHint_1_2 hint, int32_t data) {
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if (!mReady) {
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return Void();
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}
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ATRACE_INT(android::hardware::power::V1_2::toString(hint).c_str(), data);
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ALOGD_IF(hint >= PowerHint_1_2::AUDIO_STREAMING, "%s: %d",
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android::hardware::power::V1_2::toString(hint).c_str(), static_cast<int>(data));
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switch (hint) {
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case PowerHint_1_2::AUDIO_LOW_LATENCY:
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if (data) {
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// Hint until canceled
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mHintManager->DoHint("AUDIO_LOW_LATENCY");
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} else {
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mHintManager->EndHint("AUDIO_LOW_LATENCY");
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}
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break;
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case PowerHint_1_2::AUDIO_STREAMING:
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if (mVRModeOn || mSustainedPerfModeOn) {
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ALOGV("%s: ignoring due to other active perf hints", __func__);
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} else {
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if (data) {
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mHintManager->DoHint("AUDIO_STREAMING");
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} else {
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mHintManager->EndHint("AUDIO_STREAMING");
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}
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}
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break;
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case PowerHint_1_2::CAMERA_LAUNCH:
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if (data > 0) {
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mHintManager->DoHint("CAMERA_LAUNCH");
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} else if (data == 0) {
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mHintManager->EndHint("CAMERA_LAUNCH");
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} else {
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ALOGE("CAMERA LAUNCH INVALID DATA: %d", data);
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}
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break;
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case PowerHint_1_2::CAMERA_STREAMING: {
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if (data > 0) {
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mHintManager->DoHint("CAMERA_STREAMING");
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mCameraStreamingMode = true;
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} else {
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mHintManager->EndHint("CAMERA_STREAMING");
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mCameraStreamingMode = false;
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}
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const auto prop = mCameraStreamingMode
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? "CAMERA_STREAMING"
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: "";
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if (!android::base::SetProperty(kPowerHalStateProp, prop)) {
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ALOGE("%s: could set powerHAL state %s property", __func__, prop);
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}
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break;
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}
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case PowerHint_1_2::CAMERA_SHOT:
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if (data > 0) {
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mHintManager->DoHint("CAMERA_SHOT", std::chrono::milliseconds(data));
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} else if (data == 0) {
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mHintManager->EndHint("CAMERA_SHOT");
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} else {
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ALOGE("CAMERA SHOT INVALID DATA: %d", data);
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}
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break;
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default:
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return powerHint(static_cast<PowerHint_1_0>(hint), data);
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}
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return Void();
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}
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// Methods from ::android::hardware::power::V1_3::IPower follow.
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Return<void> Power::powerHintAsync_1_3(PowerHint_1_3 hint, int32_t data) {
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if (!mReady) {
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return Void();
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}
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if (hint == PowerHint_1_3::EXPENSIVE_RENDERING) {
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ATRACE_INT(android::hardware::power::V1_3::toString(hint).c_str(), data);
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if (mVRModeOn || mSustainedPerfModeOn) {
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ALOGV("%s: ignoring due to other active perf hints", __func__);
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} else {
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if (data > 0) {
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mHintManager->DoHint("EXPENSIVE_RENDERING");
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} else {
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mHintManager->EndHint("EXPENSIVE_RENDERING");
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}
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}
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} else {
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return powerHintAsync_1_2(static_cast<PowerHint_1_2>(hint), data);
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}
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return Void();
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}
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constexpr const char *boolToString(bool b) {
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return b ? "true" : "false";
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}
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Return<void> Power::debug(const hidl_handle &handle, const hidl_vec<hidl_string> &) {
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if (handle != nullptr && handle->numFds >= 1 && mReady) {
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int fd = handle->data[0];
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std::string buf(android::base::StringPrintf(
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"HintManager Running: %s\n"
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"VRMode: %s\n"
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"CameraStreamingMode: %s\n"
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"SustainedPerformanceMode: %s\n",
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boolToString(mHintManager->IsRunning()), boolToString(mVRModeOn),
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boolToString(mCameraStreamingMode),
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boolToString(mSustainedPerfModeOn)));
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// Dump nodes through libperfmgr
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mHintManager->DumpToFd(fd);
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if (!android::base::WriteStringToFd(buf, fd)) {
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PLOG(ERROR) << "Failed to dump state to fd";
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}
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fsync(fd);
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}
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return Void();
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}
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} // namespace implementation
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} // namespace V1_3
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} // namespace power
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} // namespace hardware
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} // namespace android
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