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-rw-r--r--biometrics/Android.bp21
-rw-r--r--biometrics/BiometricsFingerprint.cpp383
-rw-r--r--biometrics/BiometricsFingerprint.h90
-rw-r--r--biometrics/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.rc36
-rw-r--r--biometrics/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.xml42
-rw-r--r--biometrics/service.cpp59
-rw-r--r--biometrics/xiaomi_fingerprint.h172
7 files changed, 803 insertions, 0 deletions
diff --git a/biometrics/Android.bp b/biometrics/Android.bp
new file mode 100644
index 0000000..f5f26c7
--- /dev/null
+++ b/biometrics/Android.bp
@@ -0,0 +1,21 @@
+cc_binary {
+ name: "android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi",
+ defaults: ["hidl_defaults"],
+ relative_install_path: "hw",
+ init_rc: ["android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.rc"],
+ vintf_fragments: ["android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.xml"],
+ srcs: [
+ "BiometricsFingerprint.cpp",
+ "service.cpp",
+ ],
+ shared_libs: [
+ "libcutils",
+ "liblog",
+ "libhidlbase",
+ "libhardware",
+ "libutils",
+ "android.hardware.biometrics.fingerprint@2.1",
+ "//hardware/xiaomi:vendor.xiaomi.hardware.fingerprintextension@1.0",
+ ],
+ vendor: true,
+}
diff --git a/biometrics/BiometricsFingerprint.cpp b/biometrics/BiometricsFingerprint.cpp
new file mode 100644
index 0000000..668c220
--- /dev/null
+++ b/biometrics/BiometricsFingerprint.cpp
@@ -0,0 +1,383 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2021 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 "android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi"
+#define LOG_VERBOSE "android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi"
+
+#include <hardware/hw_auth_token.h>
+
+#include "xiaomi_fingerprint.h"
+#include "BiometricsFingerprint.h"
+
+#include <cutils/properties.h>
+#include <inttypes.h>
+#include <unistd.h>
+
+namespace android {
+namespace hardware {
+namespace biometrics {
+namespace fingerprint {
+namespace V2_1 {
+namespace implementation {
+
+// Supported fingerprint HAL version
+static const uint16_t kVersion = HARDWARE_MODULE_API_VERSION(2, 1);
+
+// List of fingerprint HALs
+static const char *kHALClasses[] = {
+ "fpc",
+ "goodix",
+ "silead",
+};
+
+using RequestStatus =
+ android::hardware::biometrics::fingerprint::V2_1::RequestStatus;
+
+BiometricsFingerprint *BiometricsFingerprint::sInstance = nullptr;
+
+BiometricsFingerprint::BiometricsFingerprint() : mClientCallback(nullptr), mDevice(nullptr) {
+ sInstance = this; // keep track of the most recent instance
+ for (const auto& class_name : kHALClasses) {
+ mDevice = openHal(class_name);
+ if (!mDevice) {
+ ALOGE("Can't open HAL module, class %s", class_name);
+ } else {
+ ALOGI("Opened fingerprint HAL, class %s", class_name);
+ property_set("persist.vendor.sys.fp.vendor", class_name); // fix AliPay TouchID
+ break;
+ }
+ }
+}
+
+BiometricsFingerprint::~BiometricsFingerprint() {
+ ALOGV("~BiometricsFingerprint()");
+ if (mDevice == nullptr) {
+ ALOGE("No valid device");
+ return;
+ }
+ int err;
+ if (0 != (err = mDevice->common.close(
+ reinterpret_cast<hw_device_t*>(mDevice)))) {
+ ALOGE("Can't close fingerprint module, error: %d", err);
+ return;
+ }
+ mDevice = nullptr;
+}
+
+Return<RequestStatus> BiometricsFingerprint::ErrorFilter(int32_t error) {
+ switch(error) {
+ case 0: return RequestStatus::SYS_OK;
+ case -2: return RequestStatus::SYS_ENOENT;
+ case -4: return RequestStatus::SYS_EINTR;
+ case -5: return RequestStatus::SYS_EIO;
+ case -11: return RequestStatus::SYS_EAGAIN;
+ case -12: return RequestStatus::SYS_ENOMEM;
+ case -13: return RequestStatus::SYS_EACCES;
+ case -14: return RequestStatus::SYS_EFAULT;
+ case -16: return RequestStatus::SYS_EBUSY;
+ case -22: return RequestStatus::SYS_EINVAL;
+ case -28: return RequestStatus::SYS_ENOSPC;
+ case -110: return RequestStatus::SYS_ETIMEDOUT;
+ default:
+ ALOGE("An unknown error returned from fingerprint vendor library: %d", error);
+ return RequestStatus::SYS_UNKNOWN;
+ }
+}
+
+// Translate from errors returned by traditional HAL (see fingerprint.h) to
+// HIDL-compliant FingerprintError.
+FingerprintError BiometricsFingerprint::VendorErrorFilter(int32_t error,
+ int32_t* vendorCode) {
+ *vendorCode = 0;
+ switch(error) {
+ case FINGERPRINT_ERROR_HW_UNAVAILABLE:
+ return FingerprintError::ERROR_HW_UNAVAILABLE;
+ case FINGERPRINT_ERROR_UNABLE_TO_PROCESS:
+ return FingerprintError::ERROR_UNABLE_TO_PROCESS;
+ case FINGERPRINT_ERROR_TIMEOUT:
+ return FingerprintError::ERROR_TIMEOUT;
+ case FINGERPRINT_ERROR_NO_SPACE:
+ return FingerprintError::ERROR_NO_SPACE;
+ case FINGERPRINT_ERROR_CANCELED:
+ return FingerprintError::ERROR_CANCELED;
+ case FINGERPRINT_ERROR_UNABLE_TO_REMOVE:
+ return FingerprintError::ERROR_UNABLE_TO_REMOVE;
+ case FINGERPRINT_ERROR_LOCKOUT:
+ return FingerprintError::ERROR_LOCKOUT;
+ default:
+ if (error >= FINGERPRINT_ERROR_VENDOR_BASE) {
+ // vendor specific code.
+ *vendorCode = error - FINGERPRINT_ERROR_VENDOR_BASE;
+ return FingerprintError::ERROR_VENDOR;
+ }
+ }
+ ALOGE("Unknown error from fingerprint vendor library: %d", error);
+ return FingerprintError::ERROR_UNABLE_TO_PROCESS;
+}
+
+// Translate acquired messages returned by traditional HAL (see fingerprint.h)
+// to HIDL-compliant FingerprintAcquiredInfo.
+FingerprintAcquiredInfo BiometricsFingerprint::VendorAcquiredFilter(
+ int32_t info, int32_t* vendorCode) {
+ *vendorCode = 0;
+ switch(info) {
+ case FINGERPRINT_ACQUIRED_GOOD:
+ return FingerprintAcquiredInfo::ACQUIRED_GOOD;
+ case FINGERPRINT_ACQUIRED_PARTIAL:
+ return FingerprintAcquiredInfo::ACQUIRED_PARTIAL;
+ case FINGERPRINT_ACQUIRED_INSUFFICIENT:
+ return FingerprintAcquiredInfo::ACQUIRED_INSUFFICIENT;
+ case FINGERPRINT_ACQUIRED_IMAGER_DIRTY:
+ return FingerprintAcquiredInfo::ACQUIRED_IMAGER_DIRTY;
+ case FINGERPRINT_ACQUIRED_TOO_SLOW:
+ return FingerprintAcquiredInfo::ACQUIRED_TOO_SLOW;
+ case FINGERPRINT_ACQUIRED_TOO_FAST:
+ return FingerprintAcquiredInfo::ACQUIRED_TOO_FAST;
+ default:
+ if (info >= FINGERPRINT_ACQUIRED_VENDOR_BASE) {
+ // vendor specific code.
+ *vendorCode = info - FINGERPRINT_ACQUIRED_VENDOR_BASE;
+ return FingerprintAcquiredInfo::ACQUIRED_VENDOR;
+ }
+ }
+ ALOGE("Unknown acquiredmsg from fingerprint vendor library: %d", info);
+ return FingerprintAcquiredInfo::ACQUIRED_INSUFFICIENT;
+}
+
+Return<uint64_t> BiometricsFingerprint::setNotify(
+ const sp<IBiometricsFingerprintClientCallback>& clientCallback) {
+ std::lock_guard<std::mutex> lock(mClientCallbackMutex);
+ mClientCallback = clientCallback;
+ // This is here because HAL 2.1 doesn't have a way to propagate a
+ // unique token for its driver. Subsequent versions should send a unique
+ // token for each call to setNotify(). This is fine as long as there's only
+ // one fingerprint device on the platform.
+ return reinterpret_cast<uint64_t>(mDevice);
+}
+
+Return<uint64_t> BiometricsFingerprint::preEnroll() {
+ return mDevice->pre_enroll(mDevice);
+}
+
+Return<RequestStatus> BiometricsFingerprint::enroll(const hidl_array<uint8_t, 69>& hat,
+ uint32_t gid, uint32_t timeoutSec) {
+ const hw_auth_token_t* authToken =
+ reinterpret_cast<const hw_auth_token_t*>(hat.data());
+ return ErrorFilter(mDevice->enroll(mDevice, authToken, gid, timeoutSec));
+}
+
+Return<RequestStatus> BiometricsFingerprint::postEnroll() {
+ return ErrorFilter(mDevice->post_enroll(mDevice));
+}
+
+Return<uint64_t> BiometricsFingerprint::getAuthenticatorId() {
+ return mDevice->get_authenticator_id(mDevice);
+}
+
+Return<RequestStatus> BiometricsFingerprint::cancel() {
+ return ErrorFilter(mDevice->cancel(mDevice));
+}
+
+Return<RequestStatus> BiometricsFingerprint::enumerate() {
+ return ErrorFilter(mDevice->enumerate(mDevice));
+}
+
+Return<RequestStatus> BiometricsFingerprint::remove(uint32_t gid, uint32_t fid) {
+ return ErrorFilter(mDevice->remove(mDevice, gid, fid));
+}
+
+Return<RequestStatus> BiometricsFingerprint::setActiveGroup(uint32_t gid,
+ const hidl_string& storePath) {
+ if (storePath.size() >= PATH_MAX || storePath.size() <= 0) {
+ ALOGE("Bad path length: %zd", storePath.size());
+ return RequestStatus::SYS_EINVAL;
+ }
+ if (access(storePath.c_str(), W_OK)) {
+ return RequestStatus::SYS_EINVAL;
+ }
+
+ return ErrorFilter(mDevice->set_active_group(mDevice, gid,
+ storePath.c_str()));
+}
+
+Return<RequestStatus> BiometricsFingerprint::authenticate(uint64_t operationId,
+ uint32_t gid) {
+ return ErrorFilter(mDevice->authenticate(mDevice, operationId, gid));
+}
+
+IBiometricsFingerprint* BiometricsFingerprint::getInstance() {
+ if (!sInstance) {
+ sInstance = new BiometricsFingerprint();
+ }
+ return sInstance;
+}
+
+IXiaomiFingerprint* BiometricsFingerprint::getXiaomiInstance() {
+ if (!sInstance) {
+ sInstance = new BiometricsFingerprint();
+ }
+ return sInstance;
+}
+
+xiaomi_fingerprint_device_t* BiometricsFingerprint::openHal(const char *class_name) {
+ int err;
+ const hw_module_t *hw_mdl = nullptr;
+ ALOGD("Opening fingerprint hal library...");
+ if (0 != (err = hw_get_module_by_class(FINGERPRINT_HARDWARE_MODULE_ID, class_name, &hw_mdl))) {
+ ALOGE("Can't open fingerprint HW Module, class %s, error: %d", class_name, err);
+ return nullptr;
+ }
+
+ if (hw_mdl == nullptr) {
+ ALOGE("No valid fingerprint module, class %s", class_name);
+ return nullptr;
+ }
+
+ fingerprint_module_t const *module =
+ reinterpret_cast<const fingerprint_module_t*>(hw_mdl);
+ if (module->common.methods->open == nullptr) {
+ ALOGE("No valid open method, class %s", class_name);
+ return nullptr;
+ }
+
+ hw_device_t *device = nullptr;
+
+ if (0 != (err = module->common.methods->open(hw_mdl, nullptr, &device))) {
+ ALOGE("Can't open fingerprint methods, class %s, error: %d", class_name, err);
+ return nullptr;
+ }
+
+ if (kVersion != device->version) {
+ // enforce version on new devices because of HIDL@2.1 translation layer
+ ALOGE("Wrong fp version, class %s. Expected %d, got %d", class_name, kVersion, device->version);
+ return nullptr;
+ }
+
+ xiaomi_fingerprint_device_t* fp_device =
+ reinterpret_cast<xiaomi_fingerprint_device_t*>(device);
+
+ if (0 != (err =
+ fp_device->set_notify(fp_device, BiometricsFingerprint::notify))) {
+ ALOGE("Can't register fingerprint module callback, class %s, error: %d", class_name, err);
+ return nullptr;
+ }
+
+ return fp_device;
+}
+
+void BiometricsFingerprint::notify(const fingerprint_msg_t *msg) {
+ BiometricsFingerprint* thisPtr = static_cast<BiometricsFingerprint*>(
+ BiometricsFingerprint::getInstance());
+ std::lock_guard<std::mutex> lock(thisPtr->mClientCallbackMutex);
+ if (thisPtr == nullptr || thisPtr->mClientCallback == nullptr) {
+ ALOGE("Receiving callbacks before the client callback is registered.");
+ return;
+ }
+ const uint64_t devId = reinterpret_cast<uint64_t>(thisPtr->mDevice);
+ switch (msg->type) {
+ case FINGERPRINT_ERROR: {
+ int32_t vendorCode = 0;
+ FingerprintError result = VendorErrorFilter(msg->data.error, &vendorCode);
+ ALOGD("onError(%d)", result);
+ if (!thisPtr->mClientCallback->onError(devId, result, vendorCode).isOk()) {
+ ALOGE("failed to invoke fingerprint onError callback");
+ }
+ }
+ break;
+ case FINGERPRINT_ACQUIRED: {
+ int32_t vendorCode = 0;
+ FingerprintAcquiredInfo result =
+ VendorAcquiredFilter(msg->data.acquired.acquired_info, &vendorCode);
+ ALOGD("onAcquired(%d)", result);
+ if (!thisPtr->mClientCallback->onAcquired(devId, result, vendorCode).isOk()) {
+ ALOGE("failed to invoke fingerprint onAcquired callback");
+ }
+ }
+ break;
+ case FINGERPRINT_TEMPLATE_ENROLLING:
+ ALOGD("onEnrollResult(fid=%d, gid=%d, rem=%d)",
+ msg->data.enroll.finger.fid,
+ msg->data.enroll.finger.gid,
+ msg->data.enroll.samples_remaining);
+ if (!thisPtr->mClientCallback->onEnrollResult(devId,
+ msg->data.enroll.finger.fid,
+ msg->data.enroll.finger.gid,
+ msg->data.enroll.samples_remaining).isOk()) {
+ ALOGE("failed to invoke fingerprint onEnrollResult callback");
+ }
+ break;
+ case FINGERPRINT_TEMPLATE_REMOVED:
+ ALOGD("onRemove(fid=%d, gid=%d, rem=%d)",
+ msg->data.removed.finger.fid,
+ msg->data.removed.finger.gid,
+ msg->data.removed.remaining_templates);
+ if (!thisPtr->mClientCallback->onRemoved(devId,
+ msg->data.removed.finger.fid,
+ msg->data.removed.finger.gid,
+ msg->data.removed.remaining_templates).isOk()) {
+ ALOGE("failed to invoke fingerprint onRemoved callback");
+ }
+ break;
+ case FINGERPRINT_AUTHENTICATED:
+ if (msg->data.authenticated.finger.fid != 0) {
+ ALOGD("onAuthenticated(fid=%d, gid=%d)",
+ msg->data.authenticated.finger.fid,
+ msg->data.authenticated.finger.gid);
+ const uint8_t* hat =
+ reinterpret_cast<const uint8_t *>(&msg->data.authenticated.hat);
+ const hidl_vec<uint8_t> token(
+ std::vector<uint8_t>(hat, hat + sizeof(msg->data.authenticated.hat)));
+ if (!thisPtr->mClientCallback->onAuthenticated(devId,
+ msg->data.authenticated.finger.fid,
+ msg->data.authenticated.finger.gid,
+ token).isOk()) {
+ ALOGE("failed to invoke fingerprint onAuthenticated callback");
+ }
+ } else {
+ // Not a recognized fingerprint
+ if (!thisPtr->mClientCallback->onAuthenticated(devId,
+ msg->data.authenticated.finger.fid,
+ msg->data.authenticated.finger.gid,
+ hidl_vec<uint8_t>()).isOk()) {
+ ALOGE("failed to invoke fingerprint onAuthenticated callback");
+ }
+ }
+ break;
+ case FINGERPRINT_TEMPLATE_ENUMERATING:
+ ALOGD("onEnumerate(fid=%d, gid=%d, rem=%d)",
+ msg->data.enumerated.finger.fid,
+ msg->data.enumerated.finger.gid,
+ msg->data.enumerated.remaining_templates);
+ if (!thisPtr->mClientCallback->onEnumerate(devId,
+ msg->data.enumerated.finger.fid,
+ msg->data.enumerated.finger.gid,
+ msg->data.enumerated.remaining_templates).isOk()) {
+ ALOGE("failed to invoke fingerprint onEnumerate callback");
+ }
+ break;
+ }
+}
+
+Return<int32_t> BiometricsFingerprint::extCmd(int32_t cmd, int32_t param) {
+ return mDevice->extCmd(mDevice, cmd, param);
+}
+
+} // namespace implementation
+} // namespace V2_1
+} // namespace fingerprint
+} // namespace biometrics
+} // namespace hardware
+} // namespace android
diff --git a/biometrics/BiometricsFingerprint.h b/biometrics/BiometricsFingerprint.h
new file mode 100644
index 0000000..84e3080
--- /dev/null
+++ b/biometrics/BiometricsFingerprint.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ * Copyright (C) 2021 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.
+ */
+
+#ifndef ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
+#define ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
+
+#include <log/log.h>
+#include <android/log.h>
+#include "xiaomi_fingerprint.h"
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprint.h>
+#include <vendor/xiaomi/hardware/fingerprintextension/1.0/IXiaomiFingerprint.h>
+
+namespace android {
+namespace hardware {
+namespace biometrics {
+namespace fingerprint {
+namespace V2_1 {
+namespace implementation {
+
+using ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint;
+using ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprintClientCallback;
+using ::android::hardware::biometrics::fingerprint::V2_1::RequestStatus;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::hidl_string;
+using ::android::sp;
+using ::vendor::xiaomi::hardware::fingerprintextension::V1_0::IXiaomiFingerprint;
+
+struct BiometricsFingerprint : public IBiometricsFingerprint, public IXiaomiFingerprint {
+public:
+ BiometricsFingerprint();
+ ~BiometricsFingerprint();
+
+ // Method to wrap legacy HAL with BiometricsFingerprint class
+ static IBiometricsFingerprint* getInstance();
+ static IXiaomiFingerprint* getXiaomiInstance();
+
+ // Methods from ::android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint follow.
+ Return<uint64_t> setNotify(const sp<IBiometricsFingerprintClientCallback>& clientCallback) override;
+ Return<uint64_t> preEnroll() override;
+ Return<RequestStatus> enroll(const hidl_array<uint8_t, 69>& hat, uint32_t gid, uint32_t timeoutSec) override;
+ Return<RequestStatus> postEnroll() override;
+ Return<uint64_t> getAuthenticatorId() override;
+ Return<RequestStatus> cancel() override;
+ Return<RequestStatus> enumerate() override;
+ Return<RequestStatus> remove(uint32_t gid, uint32_t fid) override;
+ Return<RequestStatus> setActiveGroup(uint32_t gid, const hidl_string& storePath) override;
+ Return<RequestStatus> authenticate(uint64_t operationId, uint32_t gid) override;
+
+ // Methods from ::vendor::xiaomi::hardware::fingerprintextension::V1_0::IXiaomiFingerprint follow.
+ Return<int32_t> extCmd(int32_t cmd, int32_t param) override;
+
+private:
+ static xiaomi_fingerprint_device_t* openHal(const char *class_name);
+ static void notify(const fingerprint_msg_t *msg); /* Static callback for legacy HAL implementation */
+ static Return<RequestStatus> ErrorFilter(int32_t error);
+ static FingerprintError VendorErrorFilter(int32_t error, int32_t* vendorCode);
+ static FingerprintAcquiredInfo VendorAcquiredFilter(int32_t error, int32_t* vendorCode);
+ static BiometricsFingerprint* sInstance;
+
+ std::mutex mClientCallbackMutex;
+ sp<IBiometricsFingerprintClientCallback> mClientCallback;
+ xiaomi_fingerprint_device_t *mDevice;
+};
+
+} // namespace implementation
+} // namespace V2_1
+} // namespace fingerprint
+} // namespace biometrics
+} // namespace hardware
+} // namespace android
+
+#endif // ANDROID_HARDWARE_BIOMETRICS_FINGERPRINT_V2_1_BIOMETRICSFINGERPRINT_H
diff --git a/biometrics/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.rc b/biometrics/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.rc
new file mode 100644
index 0000000..2fed25b
--- /dev/null
+++ b/biometrics/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.rc
@@ -0,0 +1,36 @@
+service vendor.fps_hal /vendor/bin/hw/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi
+ # "class hal" causes a race condition on some devices due to files created
+ # in /data. As a workaround, postpone startup until later in boot once
+ # /data is mounted.
+ class late_start
+ user system
+ group system input uhid
+
+on boot
+ #for silead fingeprint
+ mkdir /data/vendor/silead 0777 system system
+ chown system system /dev/silead_fp
+ chmod 0660 /dev/silead_fp
+ chown system system /dev/spidev1.0
+ chmod 0660 /dev/spidev1.0
+ chown system system /dev/silead_stub
+ chmod 0660 /dev/silead_stub
+
+ #for goodix dump
+ mkdir /data/vendor/goodix 0777 system system
+ mkdir /data/vendor_de/0/goodix 0770 system system
+
+ #fpc fingerprint
+ chown system system /sys/bus/platform/devices/soc:fpc1020/hw_reset
+ chown system system /sys/bus/platform/devices/soc:fpc1020/irq
+ chown system system /sys/bus/platform/devices/soc:fpc1020/wakeup_enable
+ chown system system /sys/bus/platform/devices/soc:fpc1020/regulator_enable
+ chown system system /sys/bus/platform/devices/soc:fpc1020/compatible_all
+ chown system system /sys/bus/platform/devices/soc:fpc1020/fingerdown_wait
+
+ chmod 0644 /sys/bus/platform/devices/soc:fpc1020/hw_reset
+ chmod 0644 /sys/bus/platform/devices/soc:fpc1020/irq
+ chmod 0644 /sys/bus/platform/devices/soc:fpc1020/wakeup_enable
+ chmod 0644 /sys/bus/platform/devices/soc:fpc1020/regulator_enable
+ chmod 0644 /sys/bus/platform/devices/soc:fpc1020/compatible_all
+ chmod 0644 /sys/bus/platform/devices/soc:fpc1020/fingerdown_wait
diff --git a/biometrics/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.xml b/biometrics/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.xml
new file mode 100644
index 0000000..66a77d9
--- /dev/null
+++ b/biometrics/android.hardware.biometrics.fingerprint@2.1-service.xiaomi_holi.xml
@@ -0,0 +1,42 @@
+<manifest version="1.0" type="device">
+ <hal format="hidl">
+ <name>android.hardware.biometrics.fingerprint</name>
+ <transport>hwbinder</transport>
+ <version>2.1</version>
+ <interface>
+ <name>IBiometricsFingerprint</name>
+ <instance>default</instance>
+ </interface>
+ </hal>
+ <hal format="hidl">
+ <name>vendor.goodix.hardware.biometrics.fingerprint</name>
+ <transport>hwbinder</transport>
+ <version>2.1</version>
+ <interface>
+ <name>IGoodixFingerprintDaemon</name>
+ <instance>default</instance>
+ </interface>
+ <interface>
+ <name>IGoodixFingerprintDaemonExt</name>
+ <instance>default</instance>
+ </interface>
+ </hal>
+ <hal format="hidl">
+ <name>vendor.xiaomi.hardware.fingerprintextension</name>
+ <transport>hwbinder</transport>
+ <version>1.0</version>
+ <interface>
+ <name>IXiaomiFingerprint</name>
+ <instance>default</instance>
+ </interface>
+ </hal>
+ <hal format="hidl">
+ <name>vendor.silead.hardware.fingerprintext</name>
+ <transport>hwbinder</transport>
+ <version>1.0</version>
+ <interface>
+ <name>ISileadFingerprint</name>
+ <instance>default</instance>
+ </interface>
+ </hal>
+</manifest>
diff --git a/biometrics/service.cpp b/biometrics/service.cpp
new file mode 100644
index 0000000..0f6f70e
--- /dev/null
+++ b/biometrics/service.cpp
@@ -0,0 +1,59 @@
+/*
+ * 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.biometrics.fingerprint@2.1-service.xiaomi_holi"
+
+#include <android/log.h>
+#include <hidl/HidlSupport.h>
+#include <hidl/HidlTransportSupport.h>
+#include <android/hardware/biometrics/fingerprint/2.1/IBiometricsFingerprint.h>
+#include <android/hardware/biometrics/fingerprint/2.1/types.h>
+#include <vendor/xiaomi/hardware/fingerprintextension/1.0/IXiaomiFingerprint.h>
+#include "BiometricsFingerprint.h"
+
+using android::hardware::biometrics::fingerprint::V2_1::IBiometricsFingerprint;
+using android::hardware::biometrics::fingerprint::V2_1::implementation::BiometricsFingerprint;
+using android::hardware::configureRpcThreadpool;
+using android::hardware::joinRpcThreadpool;
+using android::sp;
+using vendor::xiaomi::hardware::fingerprintextension::V1_0::IXiaomiFingerprint;
+
+int main() {
+ android::sp<IBiometricsFingerprint> bio = BiometricsFingerprint::getInstance();
+ android::sp<IXiaomiFingerprint> xfe = BiometricsFingerprint::getXiaomiInstance();
+
+ configureRpcThreadpool(1, true /*callerWillJoin*/);
+
+ if (bio != nullptr) {
+ if (::android::OK != bio->registerAsService()) {
+ return 1;
+ }
+ } else {
+ ALOGE("Can't create instance of BiometricsFingerprint, nullptr");
+ }
+
+ if (xfe != nullptr) {
+ if (::android::OK != xfe->registerAsService()) {
+ return 1;
+ }
+ } else {
+ ALOGE("Can't create instance of XiaomiFingerprint, nullptr");
+ }
+
+ joinRpcThreadpool();
+
+ return 0; // should never get here
+}
diff --git a/biometrics/xiaomi_fingerprint.h b/biometrics/xiaomi_fingerprint.h
new file mode 100644
index 0000000..7d6d14f
--- /dev/null
+++ b/biometrics/xiaomi_fingerprint.h
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#ifndef XIAOMI_FINGERPRINT_H
+#define XIAOMI_FINGERPRINT_H
+
+#include <hardware/hardware.h>
+#include <hardware/fingerprint.h>
+
+typedef struct xiaomi_fingerprint_device {
+ /**
+ * Common methods of the fingerprint device. This *must* be the first member
+ * of fingerprint_device as users of this structure will cast a hw_device_t
+ * to fingerprint_device pointer in contexts where it's known
+ * the hw_device_t references a fingerprint_device.
+ */
+ struct hw_device_t common;
+
+ /*
+ * Client provided callback function to receive notifications.
+ * Do not set by hand, use the function above instead.
+ */
+ fingerprint_notify_t notify;
+
+ /*
+ * Set notification callback:
+ * Registers a user function that would receive notifications from the HAL
+ * The call will block if the HAL state machine is in busy state until HAL
+ * leaves the busy state.
+ *
+ * Function return: 0 if callback function is successfuly registered
+ * or a negative number in case of error, generally from the errno.h set.
+ */
+ int (*set_notify)(struct xiaomi_fingerprint_device *dev, fingerprint_notify_t notify);
+
+ /*
+ * Fingerprint pre-enroll enroll request:
+ * Generates a unique token to upper layers to indicate the start of an enrollment transaction.
+ * This token will be wrapped by security for verification and passed to enroll() for
+ * verification before enrollment will be allowed. This is to ensure adding a new fingerprint
+ * template was preceded by some kind of credential confirmation (e.g. device password).
+ *
+ * Function return: 0 if function failed
+ * otherwise, a uint64_t of token
+ */
+ uint64_t (*pre_enroll)(struct xiaomi_fingerprint_device *dev);
+
+ /*
+ * Fingerprint enroll request:
+ * Switches the HAL state machine to collect and store a new fingerprint
+ * template. Switches back as soon as enroll is complete
+ * (fingerprint_msg.type == FINGERPRINT_TEMPLATE_ENROLLING &&
+ * fingerprint_msg.data.enroll.samples_remaining == 0)
+ * or after timeout_sec seconds.
+ * The fingerprint template will be assigned to the group gid. User has a choice
+ * to supply the gid or set it to 0 in which case a unique group id will be generated.
+ *
+ * Function return: 0 if enrollment process can be successfully started
+ * or a negative number in case of error, generally from the errno.h set.
+ * A notify() function may be called indicating the error condition.
+ */
+ int (*enroll)(struct xiaomi_fingerprint_device *dev, const hw_auth_token_t *hat,
+ uint32_t gid, uint32_t timeout_sec);
+
+ /*
+ * Finishes the enroll operation and invalidates the pre_enroll() generated challenge.
+ * This will be called at the end of a multi-finger enrollment session to indicate
+ * that no more fingers will be added.
+ *
+ * Function return: 0 if the request is accepted
+ * or a negative number in case of error, generally from the errno.h set.
+ */
+ int (*post_enroll)(struct xiaomi_fingerprint_device *dev);
+
+ /*
+ * get_authenticator_id:
+ * Returns a token associated with the current fingerprint set. This value will
+ * change whenever a new fingerprint is enrolled, thus creating a new fingerprint
+ * set.
+ *
+ * Function return: current authenticator id or 0 if function failed.
+ */
+ uint64_t (*get_authenticator_id)(struct xiaomi_fingerprint_device *dev);
+
+ /*
+ * Cancel pending enroll or authenticate, sending FINGERPRINT_ERROR_CANCELED
+ * to all running clients. Switches the HAL state machine back to the idle state.
+ * Unlike enroll_done() doesn't invalidate the pre_enroll() challenge.
+ *
+ * Function return: 0 if cancel request is accepted
+ * or a negative number in case of error, generally from the errno.h set.
+ */
+ int (*cancel)(struct xiaomi_fingerprint_device *dev);
+
+ /*
+ * Enumerate all the fingerprint templates found in the directory set by
+ * set_active_group()
+ * For each template found a notify() will be called with:
+ * fingerprint_msg.type == FINGERPRINT_TEMPLATE_ENUMERATED
+ * fingerprint_msg.data.enumerated.finger indicating a template id
+ * fingerprint_msg.data.enumerated.remaining_templates indicating how many more
+ * enumeration messages to expect.
+ * Note: If there are no fingerprints, then this should return 0 and the first fingerprint
+ * enumerated should have fingerid=0 and remaining=0
+ * Function return: 0 if enumerate request is accepted
+ * or a negative number in case of error, generally from the errno.h set.
+ */
+ int (*enumerate)(struct xiaomi_fingerprint_device *dev);
+
+ /*
+ * Fingerprint remove request:
+ * Deletes a fingerprint template.
+ * Works only within the path set by set_active_group().
+ * The fid parameter can be used as a widcard:
+ * * fid == 0 -- delete all the templates in the group.
+ * * fid != 0 -- delete this specific template from the group.
+ * For each template found a notify() will be called with:
+ * fingerprint_msg.type == FINGERPRINT_TEMPLATE_REMOVED
+ * fingerprint_msg.data.removed.finger indicating a template id deleted
+ * fingerprint_msg.data.removed.remaining_templates indicating how many more
+ * templates will be deleted by this operation.
+ *
+ * Function return: 0 if fingerprint template(s) can be successfully deleted
+ * or a negative number in case of error, generally from the errno.h set.
+ */
+ int (*remove)(struct xiaomi_fingerprint_device *dev, uint32_t gid, uint32_t fid);
+
+ /*
+ * Restricts the HAL operation to a set of fingerprints belonging to a
+ * group provided.
+ * The caller must provide a path to a storage location within the user's
+ * data directory.
+ *
+ * Function return: 0 on success
+ * or a negative number in case of error, generally from the errno.h set.
+ */
+ int (*set_active_group)(struct xiaomi_fingerprint_device *dev, uint32_t gid,
+ const char *store_path);
+
+ /*
+ * Authenticates an operation identifed by operation_id
+ *
+ * Function return: 0 on success
+ * or a negative number in case of error, generally from the errno.h set.
+ */
+ int (*authenticate)(struct xiaomi_fingerprint_device *dev, uint64_t operation_id, uint32_t gid);
+
+ /*
+ * Call a Xiaomi fingerprint extension command.
+ */
+ int (*extCmd)(struct xiaomi_fingerprint_device *dev, int32_t cmd, int32_t param);
+
+ /*
+ * Reserved for backward binary compatibility
+ */
+ void *reserved[4];
+} xiaomi_fingerprint_device_t;
+
+#endif // XIAOMI_FINGERPRINT_H