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hardware_samsung/hidl/power-libperfmgr/Power.cpp

341 lines
12 KiB

/*
* 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 ATRACE_TAG (ATRACE_TAG_POWER | ATRACE_TAG_HAL)
#define LOG_TAG "android.hardware.power@1.3-service.samsung-libperfmgr"
#include <android-base/file.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <android-base/strings.h>
#include <mutex>
#include <utils/Log.h>
#include <utils/Trace.h>
#include "Power.h"
namespace android {
namespace hardware {
namespace power {
namespace V1_3 {
namespace implementation {
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::hardware::power::V1_0::Feature;
using ::android::hardware::power::V1_0::Status;
constexpr char kPowerHalStateProp[] = "vendor.powerhal.state";
constexpr char kPowerHalAudioProp[] = "vendor.powerhal.audio";
constexpr char kPowerHalInitProp[] = "vendor.powerhal.init";
constexpr char kPowerHalRenderingProp[] = "vendor.powerhal.rendering";
constexpr char kPowerHalConfigPath[] = "/vendor/etc/powerhint.json";
Power::Power()
: mHintManager(nullptr),
mInteractionHandler(nullptr),
mVRModeOn(false),
mSustainedPerfModeOn(false),
mCameraStreamingMode(false),
mReady(false) {
mInitThread = std::thread([this]() {
android::base::WaitForProperty(kPowerHalInitProp, "1");
mHintManager = HintManager::GetFromJSON(kPowerHalConfigPath);
if (!mHintManager) {
LOG(FATAL) << "Invalid config: " << kPowerHalConfigPath;
}
mInteractionHandler = std::make_unique<InteractionHandler>(mHintManager);
mInteractionHandler->Init();
std::string state = android::base::GetProperty(kPowerHalStateProp, "");
if (state == "CAMERA_STREAMING") {
ALOGI("Initialize with CAMERA_STREAMING on");
mHintManager->DoHint("CAMERA_STREAMING");
mCameraStreamingMode = true;
} else if (state == "SUSTAINED_PERFORMANCE") {
ALOGI("Initialize with SUSTAINED_PERFORMANCE on");
mHintManager->DoHint("SUSTAINED_PERFORMANCE");
mSustainedPerfModeOn = true;
} else if (state == "VR_MODE") {
ALOGI("Initialize with VR_MODE on");
mHintManager->DoHint("VR_MODE");
mVRModeOn = true;
} else if (state == "VR_SUSTAINED_PERFORMANCE") {
ALOGI("Initialize with SUSTAINED_PERFORMANCE and VR_MODE on");
mHintManager->DoHint("VR_SUSTAINED_PERFORMANCE");
mSustainedPerfModeOn = true;
mVRModeOn = true;
} else {
ALOGI("Initialize PowerHAL");
}
state = android::base::GetProperty(kPowerHalAudioProp, "");
if (state == "AUDIO_LOW_LATENCY") {
ALOGI("Initialize with AUDIO_LOW_LATENCY on");
mHintManager->DoHint("AUDIO_LOW_LATENCY");
}
state = android::base::GetProperty(kPowerHalRenderingProp, "");
if (state == "EXPENSIVE_RENDERING") {
ALOGI("Initialize with EXPENSIVE_RENDERING on");
mHintManager->DoHint("EXPENSIVE_RENDERING");
}
// Now start to take powerhint
mReady.store(true);
ALOGI("PowerHAL ready to process hints");
});
mInitThread.detach();
}
Return<void> Power::updateHint(const char *hint, bool enable) {
if (!mReady) {
return Void();
}
if (enable) {
mHintManager->DoHint(hint);
} else {
mHintManager->EndHint(hint);
}
return Void();
}
// Methods from ::android::hardware::power::V1_0::IPower follow.
Return<void> Power::setInteractive(bool interactive) {
return updateHint("NOT_INTERACTIVE", !interactive);
}
Return<void> Power::powerHint(PowerHint_1_0 hint, int32_t data) {
if (!mReady) {
return Void();
}
ATRACE_INT(android::hardware::power::V1_0::toString(hint).c_str(), data);
ALOGD_IF(hint != PowerHint_1_0::INTERACTION, "%s: %d",
android::hardware::power::V1_0::toString(hint).c_str(), static_cast<int>(data));
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::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");
} else {
mHintManager->EndHint("LAUNCH");
}
}
break;
case PowerHint_1_0::LOW_POWER:
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) {
LOG(ERROR) << "getPlatformLowPowerStats not supported. Use IPowerStats HAL.";
_hidl_cb({}, Status::SUCCESS);
return Void();
}
// Methods from ::android::hardware::power::V1_1::IPower follow.
Return<void> Power::getSubsystemLowPowerStats(getSubsystemLowPowerStats_cb _hidl_cb) {
LOG(ERROR) << "getSubsystemLowPowerStats not supported. Use IPowerStats HAL.";
_hidl_cb({}, Status::SUCCESS);
return Void();
}
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 (!mReady) {
return Void();
}
ATRACE_INT(android::hardware::power::V1_2::toString(hint).c_str(), data);
ALOGD_IF(hint >= PowerHint_1_2::AUDIO_STREAMING, "%s: %d",
android::hardware::power::V1_2::toString(hint).c_str(), static_cast<int>(data));
switch (hint) {
case PowerHint_1_2::AUDIO_LOW_LATENCY:
if (data) {
// Hint until canceled
mHintManager->DoHint("AUDIO_LOW_LATENCY");
} else {
mHintManager->EndHint("AUDIO_LOW_LATENCY");
}
break;
case PowerHint_1_2::AUDIO_STREAMING:
if (mVRModeOn || mSustainedPerfModeOn) {
ALOGV("%s: ignoring due to other active perf hints", __func__);
} else {
if (data) {
mHintManager->DoHint("AUDIO_STREAMING");
} else {
mHintManager->EndHint("AUDIO_STREAMING");
}
}
break;
case PowerHint_1_2::CAMERA_LAUNCH:
if (data > 0) {
mHintManager->DoHint("CAMERA_LAUNCH");
} else if (data == 0) {
mHintManager->EndHint("CAMERA_LAUNCH");
} else {
ALOGE("CAMERA LAUNCH INVALID DATA: %d", data);
}
break;
case PowerHint_1_2::CAMERA_STREAMING: {
if (data > 0) {
mHintManager->DoHint("CAMERA_STREAMING");
mCameraStreamingMode = true;
} else {
mHintManager->EndHint("CAMERA_STREAMING");
mCameraStreamingMode = false;
}
const auto prop = mCameraStreamingMode
? "CAMERA_STREAMING"
: "";
if (!android::base::SetProperty(kPowerHalStateProp, prop)) {
ALOGE("%s: could set powerHAL state %s property", __func__, prop);
}
break;
}
case PowerHint_1_2::CAMERA_SHOT:
if (data > 0) {
mHintManager->DoHint("CAMERA_SHOT", std::chrono::milliseconds(data));
} else if (data == 0) {
mHintManager->EndHint("CAMERA_SHOT");
} else {
ALOGE("CAMERA SHOT INVALID DATA: %d", data);
}
break;
default:
return powerHint(static_cast<PowerHint_1_0>(hint), data);
}
return Void();
}
// Methods from ::android::hardware::power::V1_3::IPower follow.
Return<void> Power::powerHintAsync_1_3(PowerHint_1_3 hint, int32_t data) {
if (!mReady) {
return Void();
}
if (hint == PowerHint_1_3::EXPENSIVE_RENDERING) {
ATRACE_INT(android::hardware::power::V1_3::toString(hint).c_str(), data);
if (mVRModeOn || mSustainedPerfModeOn) {
ALOGV("%s: ignoring due to other active perf hints", __func__);
} else {
if (data > 0) {
mHintManager->DoHint("EXPENSIVE_RENDERING");
} else {
mHintManager->EndHint("EXPENSIVE_RENDERING");
}
}
} else {
return powerHintAsync_1_2(static_cast<PowerHint_1_2>(hint), data);
}
return Void();
}
constexpr const char *boolToString(bool b) {
return b ? "true" : "false";
}
Return<void> Power::debug(const hidl_handle &handle, const hidl_vec<hidl_string> &) {
if (handle != nullptr && handle->numFds >= 1 && mReady) {
int fd = handle->data[0];
std::string buf(android::base::StringPrintf(
"HintManager Running: %s\n"
"VRMode: %s\n"
"CameraStreamingMode: %s\n"
"SustainedPerformanceMode: %s\n",
boolToString(mHintManager->IsRunning()), boolToString(mVRModeOn),
boolToString(mCameraStreamingMode),
boolToString(mSustainedPerfModeOn)));
// Dump nodes through libperfmgr
mHintManager->DumpToFd(fd);
if (!android::base::WriteStringToFd(buf, fd)) {
PLOG(ERROR) << "Failed to dump state to fd";
}
fsync(fd);
}
return Void();
}
} // namespace implementation
} // namespace V1_3
} // namespace power
} // namespace hardware
} // namespace android