| /* |
| * Copyright (C) 2017 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@1.1-service.wahoo" |
| |
| #include <android/log.h> |
| #include <android-base/file.h> |
| #include <android-base/properties.h> |
| #include <android-base/strings.h> |
| #include <utils/Log.h> |
| #include "Power.h" |
| #include "power-common.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_1 { |
| namespace implementation { |
| |
| using ::android::hardware::power::V1_0::Feature; |
| using ::android::hardware::power::V1_0::PowerHint; |
| using ::android::hardware::power::V1_0::PowerStatePlatformSleepState; |
| using ::android::hardware::power::V1_0::Status; |
| using ::android::hardware::power::V1_1::PowerStateSubsystem; |
| using ::android::hardware::hidl_vec; |
| using ::android::hardware::Return; |
| using ::android::hardware::Void; |
| |
| Power::Power() { |
| power_init(); |
| mInteractionHandler.Init(); |
| } |
| |
| // Methods from ::android::hardware::power::V1_0::IPower follow. |
| Return<void> Power::setInteractive(bool interactive) { |
| if (!isSupportedGovernor()) { |
| return Void(); |
| } |
| power_set_interactive(interactive ? 1 : 0); |
| return Void(); |
| } |
| |
| Return<void> Power::powerHint(PowerHint hint, int32_t data) { |
| if (android::base::GetProperty("init.svc.perfd", "") != "running") { |
| ALOGW("perfd is not started"); |
| return Void(); |
| } |
| |
| power_hint_t h = static_cast<power_hint_t>(hint); |
| if (!isSupportedGovernor()) { |
| return Void(); |
| } |
| if (h == POWER_HINT_INTERACTION) { |
| mInteractionHandler.Acquire(data); |
| return Void(); |
| } |
| power_hint(h, data ? &data : NULL); |
| 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(SCALING_GOVERNOR_PATH, &buf)) { |
| buf = android::base::Trim(buf); |
| } |
| // Only support EAS 1.2, legacy EAS and HMP |
| if (buf == SCHEDUTIL_GOVERNOR || buf == SCHED_GOVERNOR || buf == INTERACTIVE_GOVERNOR) { |
| return true; |
| } else { |
| ALOGE("Governor not supported by powerHAL, skipping"); |
| return false; |
| } |
| } |
| |
| Return<void> Power::powerHintAsync(PowerHint hint, int32_t data) { |
| // just call the normal power hint in this oneway function |
| return powerHint(hint, data); |
| } |
| |
| } // namespace implementation |
| } // namespace V1_1 |
| } // namespace power |
| } // namespace hardware |
| } // namespace android |