Files
ViGEmBus/sys/XusbPdo.hpp
Benjamin Höglinger-Stelzer 15a9b2c896 Minor clean-up
2020-05-13 21:58:37 +02:00

152 lines
4.4 KiB
C++

/*
* Virtual Gamepad Emulation Framework - Windows kernel-mode bus driver
*
* MIT License
*
* Copyright (c) 2016-2020 Nefarius Software Solutions e.U. and Contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include "EmulationTargetPDO.hpp"
namespace ViGEm::Bus::Targets
{
constexpr auto XUSB_POOL_TAG = 'EGiV';
typedef struct _XUSB_INTERRUPT_IN_PACKET
{
UCHAR Id;
UCHAR Size;
XUSB_REPORT Report;
} XUSB_INTERRUPT_IN_PACKET, *PXUSB_INTERRUPT_IN_PACKET;
constexpr bool xusb_is_data_pipe(_URB_BULK_OR_INTERRUPT_TRANSFER* pTransfer)
{
return (pTransfer->PipeHandle == reinterpret_cast<USBD_PIPE_HANDLE>(0xFFFF0081));
}
constexpr bool xusb_is_control_pipe(_URB_BULK_OR_INTERRUPT_TRANSFER* pTransfer)
{
return (pTransfer->PipeHandle == reinterpret_cast<USBD_PIPE_HANDLE>(0xFFFF0083));
}
class EmulationTargetXUSB : public Core::EmulationTargetPDO
{
public:
EmulationTargetXUSB(ULONG Serial, LONG SessionId, USHORT VendorId = 0x045E, USHORT ProductId = 0x028E);
~EmulationTargetXUSB() = default;
NTSTATUS PdoPrepareDevice(PWDFDEVICE_INIT DeviceInit,
PUNICODE_STRING DeviceId,
PUNICODE_STRING DeviceDescription) override;
NTSTATUS PdoPrepareHardware() override;
NTSTATUS PdoInitContext() override;
VOID GetConfigurationDescriptorType(PUCHAR Buffer, ULONG Length) override;
NTSTATUS UsbGetDeviceDescriptorType(PUSB_DEVICE_DESCRIPTOR pDescriptor) override;
NTSTATUS SelectConfiguration(PURB Urb) override;
void AbortPipe() override;
NTSTATUS UsbClassInterface(PURB Urb) override;
NTSTATUS UsbGetDescriptorFromInterface(PURB Urb) override;
NTSTATUS UsbSelectInterface(PURB Urb) override;
NTSTATUS UsbGetStringDescriptorType(PURB Urb) override;
NTSTATUS UsbBulkOrInterruptTransfer(_URB_BULK_OR_INTERRUPT_TRANSFER* pTransfer, WDFREQUEST Request) override;
NTSTATUS UsbControlTransfer(PURB Urb) override;
NTSTATUS SubmitReportImpl(PVOID NewReport) override;
NTSTATUS GetUserIndex(PULONG UserIndex) const;
private:
static PCWSTR _deviceDescription;
#if defined(_X86_)
static const int XUSB_CONFIGURATION_SIZE = 0x00E4;
#else
static const int XUSB_CONFIGURATION_SIZE = 0x0130;
#endif
static const int XUSB_DESCRIPTOR_SIZE = 0x0099;
static const int XUSB_RUMBLE_SIZE = 0x08;
static const int XUSB_LEDSET_SIZE = 0x03;
static const int XUSB_LEDNUM_SIZE = 0x01;
static const int XUSB_INIT_STAGE_SIZE = 0x03;
static const int XUSB_BLOB_STORAGE_SIZE = 0x2A;
static const int XUSB_BLOB_00_OFFSET = 0x00;
static const int XUSB_BLOB_01_OFFSET = 0x03;
static const int XUSB_BLOB_02_OFFSET = 0x06;
static const int XUSB_BLOB_03_OFFSET = 0x09;
static const int XUSB_BLOB_04_OFFSET = 0x0C;
static const int XUSB_BLOB_05_OFFSET = 0x20;
static const int XUSB_BLOB_06_OFFSET = 0x23;
static const int XUSB_BLOB_07_OFFSET = 0x26;
//
// Rumble buffer
//
UCHAR _Rumble[XUSB_RUMBLE_SIZE];
//
// LED number (represents XInput slot index)
//
CHAR _LedNumber;
//
// Report packet
//
XUSB_INTERRUPT_IN_PACKET _Packet;
//
// Queue for incoming control interrupt transfer
//
WDFQUEUE _HoldingUsbInRequests;
//
// Required for XInputGetCapabilities to work
//
BOOLEAN _ReportedCapabilities;
//
// Required for XInputGetCapabilities to work
//
ULONG _InterruptInitStage;
//
// Storage of binary blobs (packets) for PDO initialization
//
WDFMEMORY _InterruptBlobStorage;
};
}