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Porting over common USB logic

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This commit is contained in:
Benjamin Höglinger-Stelzer
2020-05-10 22:57:05 +02:00
parent 027ff95b78
commit 6f228df7b2
7 changed files with 461 additions and 80 deletions
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47
sys/Ds4Pdo.cpp
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@@ -5,12 +5,14 @@
#include <ntstrsafe.h>
#include <hidclass.h>
#include "Ds4.h"
PCWSTR ViGEm::Bus::Targets::EmulationTargetDS4::_deviceDescription = L"Virtual DualShock 4 Controller";
ViGEm::Bus::Targets::EmulationTargetDS4::EmulationTargetDS4() : EmulationTargetPDO(0x054C, 0x05C4)
{
TargetType = DualShock4Wired;
}
NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::PrepareDevice(PWDFDEVICE_INIT DeviceInit,
@@ -97,14 +99,14 @@ NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::PrepareDevice(PWDFDEVICE_INIT
return STATUS_SUCCESS;
}
NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::PrepareHardware(WDFDEVICE Device)
NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::PrepareHardware()
{
WDF_QUERY_INTERFACE_CONFIG ifaceCfg;
INTERFACE devinterfaceHid;
devinterfaceHid.Size = sizeof(INTERFACE);
devinterfaceHid.Version = 1;
devinterfaceHid.Context = (PVOID)Device;
devinterfaceHid.Context = static_cast<PVOID>(this->PdoDevice);
devinterfaceHid.InterfaceReference = WdfDeviceInterfaceReferenceNoOp;
devinterfaceHid.InterfaceDereference = WdfDeviceInterfaceDereferenceNoOp;
@@ -117,7 +119,7 @@ NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::PrepareHardware(WDFDEVICE Devi
NULL
);
NTSTATUS status = WdfDeviceAddQueryInterface(Device, &ifaceCfg);
NTSTATUS status = WdfDeviceAddQueryInterface(this->PdoDevice, &ifaceCfg);
if (!NT_SUCCESS(status))
{
TraceEvents(TRACE_LEVEL_ERROR,
@@ -150,7 +152,7 @@ NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::PrepareHardware(WDFDEVICE Devi
return STATUS_SUCCESS;
}
NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::InitContext(WDFDEVICE Device)
NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::InitContext()
{
NTSTATUS status;
@@ -167,7 +169,7 @@ NTSTATUS ViGEm::Bus::Targets::EmulationTargetDS4::InitContext(WDFDEVICE Device)
WDF_OBJECT_ATTRIBUTES_INIT(&timerAttribs);
// PDO is parent
timerAttribs.ParentObject = Device;
timerAttribs.ParentObject = this->PdoDevice;
// Create timer
status = WdfTimerCreate(
@@ -433,5 +435,38 @@ VOID ViGEm::Bus::Targets::EmulationTargetDS4::PendingUsbRequestsTimerFunc(
_In_ WDFTIMER Timer
)
{
UNREFERENCED_PARAMETER(Timer);
auto ctx = reinterpret_cast<EmulationTargetDS4*>(Core::EmulationTargetPdoGetContext(WdfTimerGetParentObject(Timer)));
WDFREQUEST usbRequest;
PIRP pendingIrp;
PIO_STACK_LOCATION irpStack;
TraceEvents(TRACE_LEVEL_VERBOSE, TRACE_DS4, "%!FUNC! Entry");
// Get pending USB request
NTSTATUS status = WdfIoQueueRetrieveNextRequest(ctx->PendingUsbInRequests, &usbRequest);
if (NT_SUCCESS(status))
{
// Get pending IRP
pendingIrp = WdfRequestWdmGetIrp(usbRequest);
irpStack = IoGetCurrentIrpStackLocation(pendingIrp);
// Get USB request block
PURB urb = (PURB)irpStack->Parameters.Others.Argument1;
// Get transfer buffer
PUCHAR Buffer = (PUCHAR)urb->UrbBulkOrInterruptTransfer.TransferBuffer;
// Set buffer length to report size
urb->UrbBulkOrInterruptTransfer.TransferBufferLength = DS4_REPORT_SIZE;
// Copy cached report to transfer buffer
if (Buffer)
RtlCopyBytes(Buffer, ctx->Report, DS4_REPORT_SIZE);
// Complete pending request
WdfRequestComplete(usbRequest, status);
}
TraceEvents(TRACE_LEVEL_INFORMATION, TRACE_DS4, "%!FUNC! Exit with status %!STATUS!", status);
}