| /* |
| * Copyright (C) 2018 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.power@1.2-service.wahoo-libperfmgr" |
| |
| #include <android-base/file.h> |
| #include <android-base/logging.h> |
| #include <android-base/properties.h> |
| #include <android-base/strings.h> |
| #include <utils/Log.h> |
| |
| #include "Power.h" |
| |
| #include "power-helper.h" |
| |
| /* RPM runs at 19.2Mhz. Divide by 19200 for msec */ |
| #define RPM_CLK 19200 |
| |
| extern struct stat_pair rpm_stat_map[]; |
| |
| namespace android { |
| namespace hardware { |
| namespace power { |
| namespace V1_2 { |
| namespace implementation { |
| |
| using ::android::hardware::power::V1_0::Feature; |
| using ::android::hardware::power::V1_0::PowerStatePlatformSleepState; |
| using ::android::hardware::power::V1_0::Status; |
| using ::android::hardware::power::V1_1::PowerStateSubsystem; |
| using ::android::hardware::power::V1_1::PowerStateSubsystemSleepState; |
| using ::android::hardware::hidl_vec; |
| using ::android::hardware::Return; |
| using ::android::hardware::Void; |
| |
| Power::Power() : |
| mHintManager(HintManager::GetFromJSON("/vendor/etc/powerhint.json")), |
| mInteractionHandler(mHintManager), |
| mVRModeOn(false), |
| mSustainedPerfModeOn(false), |
| mEncoderModeOn(false) { |
| mInteractionHandler.Init(); |
| } |
| |
| // Methods from ::android::hardware::power::V1_0::IPower follow. |
| Return<void> Power::setInteractive(bool /* interactive */) { |
| return Void(); |
| } |
| |
| Return<void> Power::powerHint(PowerHint_1_0 hint, int32_t data) { |
| if (!isSupportedGovernor()) { |
| return Void(); |
| } |
| |
| switch(hint) { |
| case PowerHint_1_0::INTERACTION: |
| if (mVRModeOn || mSustainedPerfModeOn) { |
| ALOGV("%s: ignoring due to other active perf hints", __func__); |
| } else { |
| mInteractionHandler.Acquire(data); |
| } |
| break; |
| case PowerHint_1_0::VIDEO_ENCODE: |
| if (mVRModeOn || mSustainedPerfModeOn) { |
| ALOGV("%s: ignoring due to other active perf hints", __func__); |
| } else { |
| if (data) { |
| // Hint until canceled |
| mHintManager->DoHint("VIDEO_ENCODE"); |
| ALOGD("VIDEO_ENCODE ON"); |
| mEncoderModeOn = true; |
| } else { |
| mHintManager->EndHint("VIDEO_ENCODE"); |
| ALOGD("VIDEO_ENCODE OFF"); |
| mEncoderModeOn = false; |
| } |
| } |
| break; |
| case PowerHint_1_0::SUSTAINED_PERFORMANCE: |
| if (data && !mSustainedPerfModeOn) { |
| if (!mVRModeOn) { // Sustained mode only. |
| mHintManager->DoHint("SUSTAINED_PERFORMANCE"); |
| } else { // Sustained + VR mode. |
| mHintManager->EndHint("VR_MODE"); |
| mHintManager->DoHint("VR_SUSTAINED_PERFORMANCE"); |
| } |
| mSustainedPerfModeOn = true; |
| } else if (!data && mSustainedPerfModeOn) { |
| mHintManager->EndHint("VR_SUSTAINED_PERFORMANCE"); |
| mHintManager->EndHint("SUSTAINED_PERFORMANCE"); |
| if (mVRModeOn) { // Switch back to VR Mode. |
| mHintManager->DoHint("VR_MODE"); |
| } |
| mSustainedPerfModeOn = false; |
| } |
| break; |
| case PowerHint_1_0::VR_MODE: |
| if (data && !mVRModeOn) { |
| if (!mSustainedPerfModeOn) { // VR mode only. |
| mHintManager->DoHint("VR_MODE"); |
| } else { // Sustained + VR mode. |
| mHintManager->EndHint("SUSTAINED_PERFORMANCE"); |
| mHintManager->DoHint("VR_SUSTAINED_PERFORMANCE"); |
| } |
| mVRModeOn = true; |
| } else if (!data && mVRModeOn) { |
| mHintManager->EndHint("VR_SUSTAINED_PERFORMANCE"); |
| mHintManager->EndHint("VR_MODE"); |
| if (mSustainedPerfModeOn) { // Switch back to sustained Mode. |
| mHintManager->DoHint("SUSTAINED_PERFORMANCE"); |
| } |
| mVRModeOn = false; |
| } |
| break; |
| case PowerHint_1_0::LAUNCH: |
| if (mVRModeOn || mSustainedPerfModeOn) { |
| ALOGV("%s: ignoring due to other active perf hints", __func__); |
| } else { |
| if (data) { |
| // Hint until canceled |
| mHintManager->DoHint("LAUNCH"); |
| ALOGD("LAUNCH ON"); |
| } else { |
| mHintManager->EndHint("LAUNCH"); |
| ALOGD("LAUNCH OFF"); |
| } |
| } |
| break; |
| default: |
| break; |
| |
| } |
| return Void(); |
| } |
| |
| Return<void> Power::setFeature(Feature /*feature*/, bool /*activate*/) { |
| //Nothing to do |
| return Void(); |
| } |
| |
| Return<void> Power::getPlatformLowPowerStats(getPlatformLowPowerStats_cb _hidl_cb) { |
| |
| hidl_vec<PowerStatePlatformSleepState> states; |
| uint64_t stats[MAX_PLATFORM_STATS * MAX_RPM_PARAMS] = {0}; |
| uint64_t *values; |
| struct PowerStatePlatformSleepState *state; |
| int ret; |
| |
| states.resize(PLATFORM_SLEEP_MODES_COUNT); |
| |
| ret = extract_platform_stats(stats); |
| if (ret != 0) { |
| states.resize(0); |
| goto done; |
| } |
| |
| /* Update statistics for XO_shutdown */ |
| state = &states[RPM_MODE_XO]; |
| state->name = "XO_shutdown"; |
| values = stats + (RPM_MODE_XO * MAX_RPM_PARAMS); |
| |
| state->residencyInMsecSinceBoot = values[1]; |
| state->totalTransitions = values[0]; |
| state->supportedOnlyInSuspend = false; |
| state->voters.resize(XO_VOTERS); |
| for(size_t i = 0; i < XO_VOTERS; i++) { |
| int voter = static_cast<int>(i + XO_VOTERS_START); |
| state->voters[i].name = rpm_stat_map[voter].label; |
| values = stats + (voter * MAX_RPM_PARAMS); |
| state->voters[i].totalTimeInMsecVotedForSinceBoot = values[0] / RPM_CLK; |
| state->voters[i].totalNumberOfTimesVotedSinceBoot = values[1]; |
| } |
| |
| /* Update statistics for VMIN state */ |
| state = &states[RPM_MODE_VMIN]; |
| state->name = "VMIN"; |
| values = stats + (RPM_MODE_VMIN * MAX_RPM_PARAMS); |
| |
| state->residencyInMsecSinceBoot = values[1]; |
| state->totalTransitions = values[0]; |
| state->supportedOnlyInSuspend = false; |
| state->voters.resize(VMIN_VOTERS); |
| //Note: No filling of state voters since VMIN_VOTERS = 0 |
| |
| done: |
| _hidl_cb(states, Status::SUCCESS); |
| return Void(); |
| } |
| |
| static int get_wlan_low_power_stats(struct PowerStateSubsystem &subsystem) { |
| |
| uint64_t stats[WLAN_POWER_PARAMS_COUNT] = {0}; |
| struct PowerStateSubsystemSleepState *state; |
| int ret; |
| |
| ret = extract_wlan_stats(stats); |
| if (ret) |
| return ret; |
| |
| subsystem.name = "wlan"; |
| subsystem.states.resize(WLAN_STATES_COUNT); |
| |
| /* Update statistics for Active State */ |
| state = &subsystem.states[WLAN_STATE_ACTIVE]; |
| state->name = "Active"; |
| state->residencyInMsecSinceBoot = stats[CUMULATIVE_TOTAL_ON_TIME_MS]; |
| state->totalTransitions = stats[DEEP_SLEEP_ENTER_COUNTER]; |
| state->lastEntryTimestampMs = 0; //FIXME need a new value from Qcom |
| state->supportedOnlyInSuspend = false; |
| |
| /* Update statistics for Deep-Sleep state */ |
| state = &subsystem.states[WLAN_STATE_DEEP_SLEEP]; |
| state->name = "Deep-Sleep"; |
| state->residencyInMsecSinceBoot = stats[CUMULATIVE_SLEEP_TIME_MS]; |
| state->totalTransitions = stats[DEEP_SLEEP_ENTER_COUNTER]; |
| state->lastEntryTimestampMs = stats[LAST_DEEP_SLEEP_ENTER_TSTAMP_MS]; |
| state->supportedOnlyInSuspend = false; |
| |
| return 0; |
| } |
| |
| // Methods from ::android::hardware::power::V1_1::IPower follow. |
| Return<void> Power::getSubsystemLowPowerStats(getSubsystemLowPowerStats_cb _hidl_cb) { |
| |
| hidl_vec<PowerStateSubsystem> subsystems; |
| int ret; |
| |
| subsystems.resize(SUBSYSTEM_COUNT); |
| |
| //We currently have only one Subsystem for WLAN |
| ret = get_wlan_low_power_stats(subsystems[SUBSYSTEM_WLAN]); |
| if (ret != 0) |
| goto done; |
| |
| //Add query for other subsystems here |
| |
| done: |
| _hidl_cb(subsystems, Status::SUCCESS); |
| return Void(); |
| } |
| |
| bool Power::isSupportedGovernor() { |
| std::string buf; |
| if (android::base::ReadFileToString("/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor", &buf)) { |
| buf = android::base::Trim(buf); |
| } |
| // Only support EAS 1.2, legacy EAS |
| if (buf == "schedutil" || buf == "sched") { |
| return true; |
| } else { |
| LOG(ERROR) << "Governor not supported by powerHAL, skipping"; |
| return false; |
| } |
| } |
| |
| Return<void> Power::powerHintAsync(PowerHint_1_0 hint, int32_t data) { |
| // just call the normal power hint in this oneway function |
| return powerHint(hint, data); |
| } |
| |
| // Methods from ::android::hardware::power::V1_2::IPower follow. |
| Return<void> Power::powerHintAsync_1_2(PowerHint_1_2 hint, int32_t data) { |
| if (!isSupportedGovernor()) { |
| return Void(); |
| } |
| |
| switch(hint) { |
| case PowerHint_1_2::AUDIO_LOW_LATENCY: |
| if (data) { |
| // Hint until canceled |
| mHintManager->DoHint("AUDIO_LOW_LATENCY"); |
| ALOGD("AUDIO LOW LATENCY ON"); |
| } else { |
| mHintManager->EndHint("AUDIO_LOW_LATENCY"); |
| ALOGD("AUDIO LOW LATENCY OFF"); |
| } |
| break; |
| case PowerHint_1_2::AUDIO_STREAMING: |
| if (data) { |
| // Hint until canceled |
| mHintManager->DoHint("AUDIO_STREAMING"); |
| ALOGD("AUDIO LOW LATENCY ON"); |
| } else { |
| mHintManager->EndHint("AUDIO_STREAMING"); |
| ALOGD("AUDIO LOW LATENCY OFF"); |
| } |
| break; |
| case PowerHint_1_2::CAMERA_LAUNCH: |
| if (data > 0) { |
| mHintManager->DoHint("CAMERA_LAUNCH", std::chrono::milliseconds(data)); |
| ALOGD("CAMERA LAUNCH ON: %d MS", data); |
| // boosts 2.5s for launching |
| mHintManager->DoHint("LAUNCH", std::chrono::milliseconds(2500)); |
| } else if (data == 0) { |
| mHintManager->EndHint("CAMERA_LAUNCH"); |
| ALOGD("CAMERA LAUNCH OFF"); |
| } else { |
| ALOGE("CAMERA LAUNCH INVALID DATA: %d", data); |
| } |
| break; |
| case PowerHint_1_2::CAMERA_STREAMING: |
| if (data > 0) { |
| mHintManager->DoHint("CAMERA_STREAMING", std::chrono::milliseconds(data)); |
| ALOGD("CAMERA STREAMING ON: %d MS", data); |
| } else if (data == 0) { |
| mHintManager->EndHint("CAMERA_STREAMING"); |
| ALOGD("CAMERA STREAMING OFF"); |
| } else { |
| ALOGE("CAMERA STREAMING INVALID DATA: %d", data); |
| } |
| break; |
| case PowerHint_1_2::CAMERA_SHOT: |
| if (data > 0) { |
| mHintManager->DoHint("CAMERA_SHOT", std::chrono::milliseconds(data)); |
| ALOGD("CAMERA SHOT ON: %d MS", data); |
| } else if (data == 0) { |
| mHintManager->EndHint("CAMERA_SHOT"); |
| ALOGD("CAMERA SHOT OFF"); |
| } else { |
| ALOGE("CAMERA SHOT INVALID DATA: %d", data); |
| } |
| break; |
| default: |
| return powerHint(static_cast<PowerHint_1_0>(hint), data); |
| } |
| return Void(); |
| } |
| |
| } // namespace implementation |
| } // namespace V1_2 |
| } // namespace power |
| } // namespace hardware |
| } // namespace android |