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Commit 8214a64a authored by Ruchi Kandoi's avatar Ruchi Kandoi
Browse files

power: Add android.hardware.power@1.0-impl 



Bug: 31177288
Change-Id: I410768ef422ec11c2c9d955e7d3aec9a50cb361e
Signed-off-by: default avatarRuchi <Kandoi&lt;kandoiruchi@google.com>
parent 3becdbb8

Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ subdirs = [ 
    "nfc/1.0/default",

    "radio/1.0",

    "power/1.0",

    "power/1.0/default",

    "tests/bar/1.0",

    "tests/baz/1.0",

    "tests/expression/1.0",

power/1.0/default/Android.bp

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+29 −0
Original line number Diff line number Diff line 
// 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",

    ],



}

power/1.0/default/Power.cpp

0 → 100644
+159 −0
Original line number Diff line number Diff line 
/*

 * 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), &param);

    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

power/1.0/default/Power.h

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Original line number Diff line number Diff line 
/*

 * 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_