287 lines
9.4 KiB
C++
287 lines
9.4 KiB
C++
/*
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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 LOG_TAG "android.hardware.power@1.3-service.xiaomi_sdm660-libperfmgr"
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#include "Power.h"
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#include <mutex>
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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/strings.h>
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#include <utils/Log.h>
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#include <utils/Trace.h>
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#include "power-helper.h"
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/* RPM runs at 19.2Mhz. Divide by 19200 for msec */
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#define RPM_CLK 19200
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#ifndef TAP_TO_WAKE_NODE
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#define TAP_TO_WAKE_NODE "/sys/touchpanel/double_tap"
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#endif
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extern struct stat_pair rpm_stat_map[];
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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::PowerStatePlatformSleepState;
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using ::android::hardware::power::V1_0::Status;
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using ::android::hardware::power::V1_1::PowerStateSubsystem;
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using ::android::hardware::power::V1_1::PowerStateSubsystemSleepState;
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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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mSustainedPerfModeOn(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 == "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 {
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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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// Methods from ::android::hardware::power::V1_0::IPower follow.
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Return<void> Power::setInteractive(bool /* interactive */) {
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return Void();
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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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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 (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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mHintManager->DoHint("SUSTAINED_PERFORMANCE");
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mSustainedPerfModeOn = true;
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} else if (!data && mSustainedPerfModeOn) {
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mHintManager->EndHint("SUSTAINED_PERFORMANCE");
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mSustainedPerfModeOn = false;
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}
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break;
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case PowerHint_1_0::LAUNCH:
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if (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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switch (feature) {
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#ifdef TAP_TO_WAKE_NODE
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case Feature::POWER_FEATURE_DOUBLE_TAP_TO_WAKE:
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::android::base::WriteStringToFile(activate ? "1" : "0", TAP_TO_WAKE_NODE, true);
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break;
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#endif
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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::getPlatformLowPowerStats(getPlatformLowPowerStats_cb _hidl_cb) {
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hidl_vec<PowerStatePlatformSleepState> states;
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uint64_t stats[MAX_PLATFORM_STATS * MAX_RPM_PARAMS] = {0};
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uint64_t *values;
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struct PowerStatePlatformSleepState *state;
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int ret;
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states.resize(PLATFORM_SLEEP_MODES_COUNT);
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ret = extract_platform_stats(stats);
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if (ret != 0) {
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states.resize(0);
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goto done;
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}
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/* Update statistics for XO_shutdown */
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state = &states[RPM_MODE_XO];
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state->name = "XO_shutdown";
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values = stats + (RPM_MODE_XO * MAX_RPM_PARAMS);
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state->residencyInMsecSinceBoot = values[1];
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state->totalTransitions = values[0];
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state->supportedOnlyInSuspend = false;
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state->voters.resize(XO_VOTERS);
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for(size_t i = 0; i < XO_VOTERS; i++) {
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int voter = static_cast<int>(i + XO_VOTERS_START);
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state->voters[i].name = rpm_stat_map[voter].label;
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values = stats + (voter * MAX_RPM_PARAMS);
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state->voters[i].totalTimeInMsecVotedForSinceBoot = values[0] / RPM_CLK;
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state->voters[i].totalNumberOfTimesVotedSinceBoot = values[1];
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}
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/* Update statistics for VMIN state */
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state = &states[RPM_MODE_VMIN];
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state->name = "VMIN";
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values = stats + (RPM_MODE_VMIN * MAX_RPM_PARAMS);
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state->residencyInMsecSinceBoot = values[1];
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state->totalTransitions = values[0];
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state->supportedOnlyInSuspend = false;
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state->voters.resize(VMIN_VOTERS);
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//Note: No filling of state voters since VMIN_VOTERS = 0
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done:
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_hidl_cb(states, 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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hidl_vec<PowerStateSubsystem> subsystems;
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subsystems.resize(0);
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_hidl_cb(subsystems, 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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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 (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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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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if (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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} // 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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