mirror of
https://github.com/nefarius/ViGEmBus.git
synced 2025-08-10 00:52:17 +00:00
171 lines
4.0 KiB
C
171 lines
4.0 KiB
C
/*
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* Virtual Gamepad Emulation Framework - Windows kernel-mode bus driver
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* Copyright (C) 2016-2018 Benjamin Höglinger-Stelzer
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "trace.h"
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#include <ntddk.h>
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#include <wdf.h>
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#define NTSTRSAFE_LIB
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#include <ntstrsafe.h>
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#include <ntintsafe.h>
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#include <initguid.h>
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#include "ViGEmBusDriver.h"
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#include <km/ViGEmBusShared.h>
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#include "Queue.h"
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#include <usb.h>
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#include <usbbusif.h>
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#include "Context.h"
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#include "Util.h"
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#include "UsbPdo.h"
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#include "Xusb.h"
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#include "Ds4.h"
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#include "Xgip.h"
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#pragma region Macros
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#define MAX_INSTANCE_ID_LEN 80
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#define HID_LANGUAGE_ID_LENGTH 0x04
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#define HID_REQUEST_GET_REPORT 0x01
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#define HID_REQUEST_SET_REPORT 0x09
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#define HID_REPORT_TYPE_FEATURE 0x03
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#define VIGEM_POOL_TAG 0x45476956 // "EGiV"
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#define DRIVERNAME "ViGEm: "
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#define MAX_HARDWARE_ID_LENGTH 0xFF
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#define ORC_PC_FREQUENCY_DIVIDER 1000
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#define ORC_TIMER_START_DELAY 500 // ms
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#define ORC_TIMER_PERIODIC_DUE_TIME 500 // ms
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#define ORC_REQUEST_MAX_AGE 500 // ms
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#pragma endregion
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#pragma region Helpers
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//
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// Extracts the HID Report ID from the supplied class request.
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//
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#define HID_GET_REPORT_ID(_req_) ((_req_->Value) & 0xFF)
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//
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// Extracts the HID Report type from the supplied class request.
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//
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#define HID_GET_REPORT_TYPE(_req_) ((_req_->Value >> 8) & 0xFF)
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//
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// Some insane macro-magic =3
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//
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#define P99_PROTECT(...) __VA_ARGS__
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#define COPY_BYTE_ARRAY(_dst_, _bytes_) do {BYTE b[] = _bytes_; \
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RtlCopyMemory(_dst_, b, RTL_NUMBER_OF_V1(b)); } while (0)
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#pragma endregion
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#pragma region WDF callback prototypes
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DRIVER_INITIALIZE DriverEntry;
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EVT_WDF_DRIVER_DEVICE_ADD Bus_EvtDeviceAdd;
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EVT_WDF_DEVICE_FILE_CREATE Bus_DeviceFileCreate;
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EVT_WDF_FILE_CLOSE Bus_FileClose;
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EVT_WDF_CHILD_LIST_CREATE_DEVICE Bus_EvtDeviceListCreatePdo;
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EVT_WDF_CHILD_LIST_IDENTIFICATION_DESCRIPTION_COMPARE Bus_EvtChildListIdentificationDescriptionCompare;
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EVT_WDF_DEVICE_PREPARE_HARDWARE Bus_EvtDevicePrepareHardware;
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EVT_WDF_IO_QUEUE_IO_INTERNAL_DEVICE_CONTROL Pdo_EvtIoInternalDeviceControl;
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EVT_WDF_TIMER Xgip_SysInitTimerFunc;
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EVT_WDF_OBJECT_CONTEXT_CLEANUP Bus_EvtDriverContextCleanup;
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EVT_WDF_TIMER Bus_PlugInRequestCleanUpEvtTimerFunc;
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#pragma endregion
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#pragma region Bus enumeration-specific functions
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NTSTATUS
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Bus_PlugInDevice(
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_In_ WDFDEVICE Device,
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_In_ WDFREQUEST Request,
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_In_ BOOLEAN IsInternal,
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_Out_ size_t* Transferred
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);
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NTSTATUS
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Bus_UnPlugDevice(
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_In_ WDFDEVICE Device,
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_In_ WDFREQUEST Request,
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_In_ BOOLEAN IsInternal,
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_Out_ size_t* Transferred
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);
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NTSTATUS
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Bus_CreatePdo(
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_In_ WDFDEVICE Device,
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_In_ PWDFDEVICE_INIT ChildInit,
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_In_ PPDO_IDENTIFICATION_DESCRIPTION Description
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);
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NTSTATUS
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Bus_QueueNotification(
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WDFDEVICE Device,
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ULONG SerialNo,
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WDFREQUEST Request
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);
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NTSTATUS
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Bus_XgipSubmitReport(
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WDFDEVICE Device,
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ULONG SerialNo,
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PXGIP_SUBMIT_REPORT Report,
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_In_ BOOLEAN FromInterface
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);
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NTSTATUS
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Bus_SubmitReport(
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WDFDEVICE Device,
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ULONG SerialNo,
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PVOID Report,
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_In_ BOOLEAN FromInterface
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);
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WDFDEVICE
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Bus_GetPdo(
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IN WDFDEVICE Device,
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IN ULONG SerialNo);
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VOID
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Bus_PdoStageResult(
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_In_ PINTERFACE InterfaceHeader,
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_In_ VIGEM_PDO_STAGE Stage,
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_In_ ULONG Serial,
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_In_ NTSTATUS Status
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);
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#pragma endregion
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