mirror of
https://github.com/nefarius/ViGEmBus.git
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162 lines
4.9 KiB
C++
162 lines
4.9 KiB
C++
/*
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* Virtual Gamepad Emulation Framework - Windows kernel-mode bus driver
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*
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* BSD 3-Clause License
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*
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* Copyright (c) 2018-2020, Nefarius Software Solutions e.U. and Contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "EmulationTargetPDO.hpp"
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namespace ViGEm::Bus::Targets
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{
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constexpr auto XUSB_POOL_TAG = 'XUiV';
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typedef struct _XUSB_INTERRUPT_IN_PACKET
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{
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UCHAR Id;
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UCHAR Size;
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XUSB_REPORT Report;
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} XUSB_INTERRUPT_IN_PACKET, *PXUSB_INTERRUPT_IN_PACKET;
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constexpr bool xusb_is_data_pipe(_URB_BULK_OR_INTERRUPT_TRANSFER* pTransfer)
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{
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return (pTransfer->PipeHandle == reinterpret_cast<USBD_PIPE_HANDLE>(0xFFFF0081));
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}
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constexpr bool xusb_is_control_pipe(_URB_BULK_OR_INTERRUPT_TRANSFER* pTransfer)
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{
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return (pTransfer->PipeHandle == reinterpret_cast<USBD_PIPE_HANDLE>(0xFFFF0083));
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}
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class EmulationTargetXUSB : public Core::EmulationTargetPDO
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{
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public:
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EmulationTargetXUSB(ULONG Serial, LONG SessionId, USHORT VendorId = 0x045E, USHORT ProductId = 0x028E);
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NTSTATUS PdoPrepareDevice(PWDFDEVICE_INIT DeviceInit,
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PUNICODE_STRING DeviceId,
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PUNICODE_STRING DeviceDescription) override;
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NTSTATUS PdoPrepareHardware() override;
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NTSTATUS PdoInitContext() override;
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VOID GetConfigurationDescriptorType(PUCHAR Buffer, ULONG Length) override;
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NTSTATUS UsbGetDeviceDescriptorType(PUSB_DEVICE_DESCRIPTOR pDescriptor) override;
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NTSTATUS SelectConfiguration(PURB Urb) override;
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void AbortPipe() override;
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NTSTATUS UsbClassInterface(PURB Urb) override;
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NTSTATUS UsbGetDescriptorFromInterface(PURB Urb) override;
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NTSTATUS UsbSelectInterface(PURB Urb) override;
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NTSTATUS UsbGetStringDescriptorType(PURB Urb) override;
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NTSTATUS UsbBulkOrInterruptTransfer(_URB_BULK_OR_INTERRUPT_TRANSFER* pTransfer, WDFREQUEST Request) override;
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NTSTATUS UsbControlTransfer(PURB Urb) override;
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NTSTATUS SubmitReportImpl(PVOID NewReport) override;
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NTSTATUS GetUserIndex(PULONG UserIndex) const;
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protected:
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void ProcessPendingNotification(WDFQUEUE Queue) override;
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private:
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static PCWSTR _deviceDescription;
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#if defined(_X86_)
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static const int XUSB_CONFIGURATION_SIZE = 0x00E4;
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#else
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static const int XUSB_CONFIGURATION_SIZE = 0x0130;
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#endif
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static const int XUSB_DESCRIPTOR_SIZE = 0x0099;
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static const int XUSB_RUMBLE_SIZE = 0x08;
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static const int XUSB_LEDSET_SIZE = 0x03;
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static const int XUSB_LEDNUM_SIZE = 0x01;
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static const int XUSB_INIT_STAGE_SIZE = 0x03;
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static const int XUSB_BLOB_STORAGE_SIZE = 0x2A;
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static const int XUSB_BLOB_00_OFFSET = 0x00;
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static const int XUSB_BLOB_01_OFFSET = 0x03;
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static const int XUSB_BLOB_02_OFFSET = 0x06;
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static const int XUSB_BLOB_03_OFFSET = 0x09;
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static const int XUSB_BLOB_04_OFFSET = 0x0C;
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static const int XUSB_BLOB_05_OFFSET = 0x20;
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static const int XUSB_BLOB_06_OFFSET = 0x23;
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static const int XUSB_BLOB_07_OFFSET = 0x26;
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//
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// Rumble buffer
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//
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UCHAR _Rumble[XUSB_RUMBLE_SIZE];
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//
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// LED number (represents XInput slot index)
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//
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CHAR _LedNumber;
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//
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// Report packet
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//
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XUSB_INTERRUPT_IN_PACKET _Packet;
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//
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// Queue for incoming control interrupt transfer
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//
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WDFQUEUE _HoldingUsbInRequests;
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//
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// Required for XInputGetCapabilities to work
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//
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BOOLEAN _ReportedCapabilities;
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//
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// Required for XInputGetCapabilities to work
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//
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ULONG _InterruptInitStage;
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//
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// Storage of binary blobs (packets) for PDO initialization
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//
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WDFMEMORY _InterruptBlobStorage;
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};
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}
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