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android_kernel_samsung_sm87…/qcom/opensource/usb/hal/UsbGadget.h
2025-08-12 22:13:00 +02:00

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/*
* Copyright (C) 2018,2020-2021, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* 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.
*
* Changes from Qualcomm Innovation Center are provided under the following license:
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
* SPDX-License-Identifier: BSD-3-Clause-Clear
*/
#ifndef ANDROID_HARDWARE_USB_GADGET_QTI_USBGADGET_H
#define ANDROID_HARDWARE_USB_GADGET_QTI_USBGADGET_H
#include <aidl/android/hardware/usb/gadget/BnUsbGadget.h>
#include <aidl/android/hardware/usb/gadget/BnUsbGadgetCallback.h>
#include <aidl/android/hardware/usb/gadget/GadgetFunction.h>
#include <aidl/android/hardware/usb/gadget/IUsbGadget.h>
#include <aidl/android/hardware/usb/gadget/IUsbGadgetCallback.h>
#include <mutex>
namespace aidl {
namespace android {
namespace hardware {
namespace usb {
namespace gadget {
using ::aidl::android::hardware::usb::gadget::GadgetFunction;
using ::aidl::android::hardware::usb::gadget::IUsbGadgetCallback;
using ::aidl::android::hardware::usb::gadget::IUsbGadget;
using ::aidl::android::hardware::usb::gadget::Status;
using ::aidl::android::hardware::usb::gadget::UsbSpeed;
using ::android::hardware::Return;
using ::android::hardware::usb::gadget::MonitorFfs;
using ::ndk::ScopedAStatus;
using ::std::shared_ptr;
struct UsbGadget : public BnUsbGadget {
UsbGadget(const char* const gadget);
ScopedAStatus setCurrentUsbFunctions(int64_t functions,
const shared_ptr<IUsbGadgetCallback> &callback,
int64_t timeoutMs, int64_t in_transactionId) override;
ScopedAStatus getCurrentUsbFunctions(const shared_ptr<IUsbGadgetCallback> &callback,
int64_t in_transactionId) override;
ScopedAStatus reset(const shared_ptr<IUsbGadgetCallback> &callback,
int64_t in_transactionId) override;
ScopedAStatus getUsbSpeed(const shared_ptr<IUsbGadgetCallback> &callback,
int64_t in_transactionId) override;
private:
Status tearDownGadget();
Status setupFunctions(int64_t functions,
const shared_ptr<IUsbGadgetCallback> &callback,
int64_t timeout, int64_t in_transactionId);
int addFunctionsFromPropString(std::string prop, bool &ffsEnabled, int &i);
MonitorFfs mMonitorFfs;
// Makes sure that only one request is processed at a time.
std::mutex mLockSetCurrentFunction;
uint64_t mCurrentUsbFunctions;
bool mCurrentUsbFunctionsApplied;
};
} // namespace gadget
} // namespace usb
} // namespace hardware
} // namespace android
} // namespace aidl
#endif // ANDROID_HARDWARE_USB_GADGET_QTI_USBGADGET_H