//-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- DtaGenlockClose -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
//
void DtaGenlockClose(DtaDeviceData* pDvcData, DtFileObject* pFile)
{
if (pDvcData->m_Genlock.m_GenlArch != GENLOCK_ARCH_2154)
return;
if (pDvcData->m_Genlock.m_pVcxoOwner != DtFileGetHandle(pFile))
return;
DtaGenlockResetVcxo(pDvcData);
}
//-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- DtaGenlockResetVcxo -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
//
void DtaGenlockSetVcxo(DtaDeviceData* pDvcData, DtFileObject* pFile, Int VcxoValue)
{
Bool SetDevCtrl = (pDvcData->m_Genlock.m_VcxoValue == -1);
pDvcData->m_Genlock.m_VcxoValue = VcxoValue;
pDvcData->m_Genlock.m_pVcxoOwner = DtFileGetHandle(pFile);
DtaLmh1983SetVcxoValue(&pDvcData->m_Genlock.m_Lmh1983,
pDvcData->m_Genlock.m_VcxoValue);
if (SetDevCtrl)
DtaLmh1983SetDevCtrl(&pDvcData->m_Genlock.m_Lmh1983);
}
//-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- DtaEventsDequeue -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
//
DtStatus DtaEventsDequeue(
DtaDeviceData* pDvcData,
DtFileObject* pFile,
DtaEvents* pEvents) // If not NULL, we don't need the file object
{
WDF_REQUEST_PARAMETERS Params;
WDFREQUEST Request;
WDFREQUEST Request2;
NTSTATUS NtStatus = STATUS_SUCCESS;
size_t BufSize;
DtaIoctlOutputData* pOutBuf;
// Get all pending requests from queue for this file object
while (NtStatus == STATUS_SUCCESS)
{
WDF_REQUEST_PARAMETERS_INIT(&Params);
NtStatus = WdfIoQueueFindRequest(pDvcData->m_IalData.m_EventQueue, NULL,
DtFileGetHandle(pFile), &Params, &Request);
if (NtStatus != STATUS_SUCCESS) // Don't use the NT_SUCCESS macro here
break;
NtStatus = WdfIoQueueRetrieveFoundRequest(pDvcData->m_IalData.m_EventQueue,
Request, &Request2);
WdfObjectDereference(Request);
if (!NT_SUCCESS(NtStatus))
continue;
if (NT_SUCCESS(NtStatus))
{
NtStatus = WdfRequestRetrieveOutputBuffer(Request2,
Params.Parameters.DeviceIoControl.OutputBufferLength,
&pOutBuf, &BufSize);
}
if (NT_SUCCESS(NtStatus))
{ DtStatus Status;
BufSize = sizeof(DtaIoctlGetEventOutput);
Status = DtaEventsGet(pDvcData, pFile, pEvents,
&pOutBuf->m_GetEvent.m_EventType,
&pOutBuf->m_GetEvent.m_Value1,
&pOutBuf->m_GetEvent.m_Value2);
}
if (!NT_SUCCESS(NtStatus))
BufSize = 0;
// Complete request, use DtStatus in the driver-defined information field
WdfRequestCompleteWithInformation(Request2, NtStatus, (ULONG_PTR)BufSize);
}
return DT_STATUS_OK;
}
