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device_samsung_sm7125-common/fod/FingerprintInscreen.cpp

178 lines
4.8 KiB

/*
* Copyright (C) 2019 The LineageOS 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 "FingerprintInscreenService"
#include "FingerprintInscreen.h"
#include <android-base/logging.h>
#include <hidl/HidlTransportSupport.h>
#include <fstream>
#include <cmath>
#include <thread>
#define FINGERPRINT_ACQUIRED_VENDOR 6
#define TSP_CMD_PATH "/sys/class/sec/tsp/cmd"
#define MASK_BRIGHTNESS_PATH "/sys/class/lcd/panel/mask_brightness"
#define SEM_FINGER_STATE 22
#define SEM_PARAM_PRESSED 2
#define SEM_PARAM_RELEASED 1
#define SEM_AOSP_FQNAME "android.hardware.biometrics.fingerprint@2.1::IBiometricsFingerprint"
namespace vendor {
namespace lineage {
namespace biometrics {
namespace fingerprint {
namespace inscreen {
namespace V1_0 {
namespace implementation {
/*
* Write value to path and close file.
*/
template <typename T>
static void set(const std::string& path, const T& value) {
std::ofstream file(path);
file << value;
}
template <typename T>
static T get(const std::string& path, const T& def) {
std::ifstream file(path);
T result;
file >> result;
return file.fail() ? def : result;
}
static hidl_vec<int8_t> stringToVec(const std::string& str) {
auto vec = hidl_vec<int8_t>();
vec.resize(str.size() + 1);
for (size_t i = 0; i < str.size(); ++i) {
vec[i] = (int8_t) str[i];
}
vec[str.size()] = '\0';
return vec;
}
FingerprintInscreen::FingerprintInscreen() {
mSehBiometricsFingerprintService = ISehBiometricsFingerprint::getService();
set(TSP_CMD_PATH, "set_fod_rect,421,2018,659,2256");
set(MASK_BRIGHTNESS_PATH, "319");
set(TSP_CMD_PATH, "fod_enable,1,1,0");
}
void FingerprintInscreen::requestResult(int, const hidl_vec<int8_t>&) {
// Ignore all results
}
Return<void> FingerprintInscreen::onStartEnroll() {
return Void();
}
Return<void> FingerprintInscreen::onFinishEnroll() {
return Void();
}
Return<void> FingerprintInscreen::onPress() {
mSehBiometricsFingerprintService->sehRequest(SEM_FINGER_STATE,
SEM_PARAM_PRESSED, stringToVec(SEM_AOSP_FQNAME), FingerprintInscreen::requestResult);
return Void();
}
Return<void> FingerprintInscreen::onRelease() {
mSehBiometricsFingerprintService->sehRequest(SEM_FINGER_STATE,
SEM_PARAM_RELEASED, stringToVec(SEM_AOSP_FQNAME), FingerprintInscreen::requestResult);
return Void();
}
Return<void> FingerprintInscreen::onShowFODView() {
return Void();
}
Return<void> FingerprintInscreen::onHideFODView() {
return Void();
}
Return<bool> FingerprintInscreen::handleAcquired(int32_t acquiredInfo, int32_t vendorCode) {
std::lock_guard<std::mutex> _lock(mCallbackLock);
if (mCallback == nullptr) {
return false;
}
if (acquiredInfo == FINGERPRINT_ACQUIRED_VENDOR) {
if (vendorCode == 10002) {
Return<void> ret = mCallback->onFingerDown();
if (!ret.isOk()) {
LOG(ERROR) << "FingerDown() error: " << ret.description();
}
return true;
} else if (vendorCode == 10001) {
Return<void> ret = mCallback->onFingerUp();
if (!ret.isOk()) {
LOG(ERROR) << "FingerUp() error: " << ret.description();
}
return true;
}
}
LOG(ERROR) << "acquiredInfo: " << acquiredInfo << ", vendorCode: " << vendorCode << "\n";
return false;
}
Return<bool> FingerprintInscreen::handleError(int32_t, int32_t) {
return false;
}
Return<void> FingerprintInscreen::setLongPressEnabled(bool) {
return Void();
}
Return<int32_t> FingerprintInscreen::getDimAmount(int32_t cur_brightness) {
return (int32_t)(255 + ( -40.9291 * pow((double) cur_brightness, 0.3)));
}
Return<bool> FingerprintInscreen::shouldBoostBrightness() {
return false;
}
Return<void> FingerprintInscreen::setCallback(const sp<IFingerprintInscreenCallback>& callback) {
{
std::lock_guard<std::mutex> _lock(mCallbackLock);
mCallback = callback;
}
return Void();
}
Return<int32_t> FingerprintInscreen::getPositionX() {
return 440;
}
Return<int32_t> FingerprintInscreen::getPositionY() {
return 2020;
}
Return<int32_t> FingerprintInscreen::getSize() {
return 200;
}
} // namespace implementation
} // namespace V1_0
} // namespace inscreen
} // namespace fingerprint
} // namespace biometrics
} // namespace lineage
} // namespace vendor