Add USB Gadget Hal v1.1 default implementation

Bug: 147645728
Test: Build pass and service running
Change-Id: I5648b569dc470deba14a4fc8a0c841e76a0f1b86
diff --git a/usb/gadget/1.1/default/UsbGadget.h b/usb/gadget/1.1/default/UsbGadget.h
new file mode 100644
index 0000000..b278071
--- /dev/null
+++ b/usb/gadget/1.1/default/UsbGadget.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2020 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 ANDROID_HARDWARE_USB_GADGET_V1_1_USBGADGET_H
+#define ANDROID_HARDWARE_USB_GADGET_V1_1_USBGADGET_H
+
+#include <UsbGadgetCommon.h>
+#include <android-base/file.h>
+#include <android-base/properties.h>
+#include <android-base/unique_fd.h>
+#include <android/hardware/usb/gadget/1.1/IUsbGadget.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+#include <sys/epoll.h>
+#include <sys/eventfd.h>
+#include <utils/Log.h>
+#include <chrono>
+#include <condition_variable>
+#include <mutex>
+#include <string>
+#include <thread>
+
+namespace android {
+namespace hardware {
+namespace usb {
+namespace gadget {
+namespace V1_1 {
+namespace implementation {
+
+using ::android::sp;
+using ::android::base::GetProperty;
+using ::android::base::SetProperty;
+using ::android::base::unique_fd;
+using ::android::base::WriteStringToFile;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::usb::gadget::addAdb;
+using ::android::hardware::usb::gadget::addEpollFd;
+using ::android::hardware::usb::gadget::getVendorFunctions;
+using ::android::hardware::usb::gadget::kDebug;
+using ::android::hardware::usb::gadget::kDisconnectWaitUs;
+using ::android::hardware::usb::gadget::linkFunction;
+using ::android::hardware::usb::gadget::MonitorFfs;
+using ::android::hardware::usb::gadget::resetGadget;
+using ::android::hardware::usb::gadget::setVidPid;
+using ::android::hardware::usb::gadget::unlinkFunctions;
+using ::std::string;
+
+constexpr char kGadgetName[] = "a600000.dwc3";
+static MonitorFfs monitorFfs(kGadgetName);
+
+struct UsbGadget : public IUsbGadget {
+    UsbGadget();
+
+    // Makes sure that only one request is processed at a time.
+    std::mutex mLockSetCurrentFunction;
+    uint64_t mCurrentUsbFunctions;
+    bool mCurrentUsbFunctionsApplied;
+
+    Return<void> setCurrentUsbFunctions(uint64_t functions,
+                                        const sp<V1_0::IUsbGadgetCallback>& callback,
+                                        uint64_t timeout) override;
+
+    Return<void> getCurrentUsbFunctions(const sp<V1_0::IUsbGadgetCallback>& callback) override;
+
+    Return<Status> reset() override;
+
+  private:
+    V1_0::Status tearDownGadget();
+    V1_0::Status setupFunctions(uint64_t functions, const sp<V1_0::IUsbGadgetCallback>& callback,
+                                uint64_t timeout);
+};
+
+}  // namespace implementation
+}  // namespace V1_1
+}  // namespace gadget
+}  // namespace usb
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_USB_V1_1_USBGADGET_H