--- /dev/null
+// 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.
+
+cc_library_shared {
+ name: "android.hardware.power@1.0-impl",
+ relative_install_path: "hw",
+ srcs: ["Power.cpp"],
+
+ shared_libs: [
+ "liblog",
+ "libhardware",
+ "libhidl",
+ "libhwbinder",
+ "libutils",
+ "android.hardware.power@1.0",
+ ],
+
+}
--- /dev/null
+/*
+ * 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.power@1.0-impl"
+#include <hardware/hardware.h>
+#include <hardware/power.h>
+#include "Power.h"
+
+namespace android {
+namespace hardware {
+namespace power {
+namespace V1_0 {
+namespace implementation {
+
+Power::Power(power_module_t *module) : mModule(module) {
+ if (mModule)
+ mModule->init(mModule);
+}
+
+Power::~Power() {
+ delete(mModule);
+}
+
+// Methods from ::android::hardware::power::V1_0::IPower follow.
+Return<void> Power::setInteractive(bool interactive) {
+ if (mModule->setInteractive > 0)
+ mModule->setInteractive(mModule, interactive ? 1 : 0);
+ return Void();
+}
+
+Return<void> Power::powerHint(PowerHint hint, int32_t data) {
+ int32_t param = data;
+ if (mModule->powerHint > 0)
+ mModule->powerHint(mModule, static_cast<power_hint_t>(hint), ¶m);
+ return Void();
+}
+
+Return<void> Power::setFeature(Feature feature, bool activate) {
+ if (mModule->setFeature > 0)
+ mModule->setFeature(mModule, static_cast<feature_t>(feature),
+ activate ? 1 : 0);
+ return Void();
+}
+
+Return<void> Power::getPlatformLowPowerStats(getPlatformLowPowerStats_cb _hidl_cb) {
+ hidl_vec<PowerStatePlatformSleepState> states;
+ ssize_t number_platform_modes;
+ size_t *voters = nullptr;
+ power_state_platform_sleep_state_t *legacy_states = nullptr;
+ int ret;
+
+ if (mModule->get_number_of_platform_modes == nullptr ||
+ mModule->get_voter_list == nullptr ||
+ mModule->get_platform_low_power_stats == nullptr)
+ {
+ _hidl_cb(states, Status::SUCCESS);
+ return Void();
+ }
+
+ number_platform_modes = mModule->get_number_of_platform_modes(mModule);
+ if (number_platform_modes > 0)
+ {
+ voters = new size_t [number_platform_modes];
+ if (voters == nullptr)
+ goto done;
+
+ ret = mModule->get_voter_list(mModule, voters);
+ if (ret != 0)
+ goto done;
+
+ legacy_states = new power_state_platform_sleep_state_t [number_platform_modes];
+ if (legacy_states == nullptr)
+ goto done;
+
+ for (int i = 0; i < number_platform_modes; i++)
+ {
+ legacy_states[i].voters = nullptr;
+ legacy_states[i].voters = new power_state_voter_t [voters[i]];
+ if (legacy_states[i].voters == nullptr)
+ goto done;
+ }
+
+ ret = mModule->get_platform_low_power_stats(mModule, legacy_states);
+ if (ret != 0)
+ goto done;
+
+ states.resize(number_platform_modes);
+ for (int i = 0; i < number_platform_modes; i++)
+ {
+ power_state_platform_sleep_state_t& legacy_state = legacy_states[i];
+ PowerStatePlatformSleepState& state = states[i];
+ state.name = legacy_state.name;
+ state.residencyInMsecSinceBoot = legacy_state.residency_in_msec_since_boot;
+ state.totalTransitions = legacy_state.total_transitions;
+ state.supportedOnlyInSuspend = legacy_state.supported_only_in_suspend;
+ state.voters.resize(voters[i]);
+ for(size_t j = 0; j < voters[i]; j++)
+ {
+ state.voters[j].name = legacy_state.voters[j].name;
+ state.voters[j].totalTimeInMsecVotedForSinceBoot = legacy_state.voters[j].total_time_in_msec_voted_for_since_boot;
+ state.voters[j].totalNumberOfTimesVotedSinceBoot = legacy_state.voters[j].total_number_of_times_voted_since_boot;
+ }
+ }
+ }
+done:
+ if (legacy_states)
+ {
+ for (int i = 0; i < number_platform_modes; i++)
+ {
+ if(legacy_states[i].voters)
+ delete(legacy_states[i].voters);
+ }
+ }
+ delete[] legacy_states;
+ delete[] voters;
+ _hidl_cb(states, Status::SUCCESS);
+ return Void();
+}
+
+IPower* HIDL_FETCH_IPower(const char* name) {
+ int ret = 0;
+ const hw_module_t* hw_module = NULL;
+ power_module_t *power_module;
+ ret = hw_get_module(name, &hw_module);
+ if (ret == 0 && hw_module->methods->open > 0) {
+ ret = hw_module->methods->open(hw_module, name,
+ reinterpret_cast<hw_device_t**>(&power_module));
+ if (ret == 0) {
+ return new Power(power_module);
+ }
+ else {
+ ALOGE("Passthrough failed to load legacy HAL.");
+ return nullptr;
+ }
+ }
+ else {
+ ALOGE ("hw_get_module %s failed: %d", name, ret);
+ return nullptr;
+ }
+}
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace power
+} // namespace hardware
+} // namespace android
--- /dev/null
+/*
+ * 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.
+ */
+
+#ifndef HIDL_GENERATED_android_hardware_power_V1_0_Power_H_
+#define HIDL_GENERATED_android_hardware_power_V1_0_Power_H_
+
+#include <android/hardware/power/1.0/IPower.h>
+#include <hidl/Status.h>
+
+#include <hidl/MQDescriptor.h>
+namespace android {
+namespace hardware {
+namespace power {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::power::V1_0::Feature;
+using ::android::hardware::power::V1_0::IPower;
+using ::android::hardware::power::V1_0::PowerHint;
+using ::android::hardware::power::V1_0::PowerStatePlatformSleepState;
+using ::android::hardware::power::V1_0::Status;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+
+struct Power : public IPower {
+ Power(power_module_t* module);
+ ~Power();
+ Return<void> setInteractive(bool interactive) override;
+ Return<void> powerHint(PowerHint hint, int32_t data) override;
+ Return<void> setFeature(Feature feature, bool activate) override;
+ Return<void> getPlatformLowPowerStats(getPlatformLowPowerStats_cb _hidl_cb) override;
+
+ private:
+ power_module_t* mModule;
+};
+
+extern "C" IPower* HIDL_FETCH_IPower(const char* name);
+
+} // namespace implementation
+} // namespace V1_0
+} // namespace power
+} // namespace hardware
+} // namespace android
+
+#endif // HIDL_GENERATED_android_hardware_power_V1_0_Power_H_
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