Inheritance diagram for CMiniportDMusUARTStream:

Collaboration diagram for CMiniportDMusUARTStream:

[legend]

Public Member Functions
STDMETHODIMP	QueryInterface (REFIID InterfaceId, PVOID *Interface)

virtual	~CMiniportDMusUARTStream ()

	STDMETHODIMP_ (NTSTATUS) Init(IN CMiniportDMusUART *pMiniport

NTSTATUS	HandlePortParams (IN PPCPROPERTY_REQUEST Request)

	STDMETHODIMP_ (NTSTATUS) Write(IN PVOID BufferAddress

friend	STDMETHODIMP_ (NTSTATUS) SnapTimeStamp(PINTERRUPTSYNC InterruptSync

Public Member Functions inherited from CUnknownImpl< IMXF >
	STDMETHODIMP_ (ULONG) AddRef()

	STDMETHODIMP_ (ULONG) Release()

Public Attributes
IN PUCHAR	pPortBase

IN PUCHAR IN BOOLEAN	fCapture

IN PUCHAR IN BOOLEAN IN PAllocatorMXF	allocatorMXF

IN PUCHAR IN BOOLEAN IN PAllocatorMXF IN PMASTERCLOCK	masterClock

	IMP_IMXF

IN ULONG	BytesToWrite

IN ULONG OUT PULONG	BytesWritten

Private Member Functions
	STDMETHODIMP_ (NTSTATUS) SourceEvtsToPort()

	STDMETHODIMP_ (NTSTATUS) ConsumeEvents()

	STDMETHODIMP_ (NTSTATUS) PutMessageLocked(PDMUS_KERNEL_EVENT pDMKEvt)

Additional Inherited Members
Protected Member Functions inherited from CUnknownImpl< IMXF >
	CUnknownImpl ()

virtual	~CUnknownImpl ()

Detailed Description

Definition at line 183 of file miniport_dmus.cpp.

Constructor & Destructor Documentation

◆ ~CMiniportDMusUARTStream()

CMiniportDMusUARTStream::~CMiniportDMusUARTStream ( void )

virtual

Definition at line 1849 of file miniport_dmus.cpp.

{
    PAGED_CODE();
 
    DPRINT("~CMiniportDMusUARTStream");
 
    KeCancelTimer(&m_TimerEvent);
 
    if (m_DMKEvtQueue)
    {
        if (m_AllocatorMXF)
        {
            m_AllocatorMXF->PutMessage(m_DMKEvtQueue);
        }
        else
        {
            DPRINT("~CMiniportDMusUARTStream, no allocator, can't flush DMKEvts");
        }
        m_DMKEvtQueue = NULL;
    }
    if (m_AllocatorMXF)
    {
        m_AllocatorMXF->Release();
        m_AllocatorMXF = NULL;
    }
 
    if (m_pMiniport)
    {
        if (m_fCapture)
        {
            m_pMiniport->m_NumCaptureStreams--;
        }
        else
        {
            m_pMiniport->m_NumRenderStreams--;
        }
 
        m_pMiniport->Release();
    }
}

Member Function Documentation

◆ HandlePortParams()

NTSTATUS CMiniportDMusUARTStream::HandlePortParams ( IN PPCPROPERTY_REQUEST Request )

Definition at line 2335 of file miniport_dmus.cpp.

{
    PAGED_CODE();
 
    NTSTATUS ntStatus;
 
    if (pRequest->Verb & KSPROPERTY_TYPE_SET)
    {
        return STATUS_INVALID_DEVICE_REQUEST;
    }
 
    ntStatus = ValidatePropertyRequest(pRequest, sizeof(SYNTH_PORTPARAMS), TRUE);
    if (NT_SUCCESS(ntStatus))
    {
        RtlCopyMemory(pRequest->Value, pRequest->Instance, sizeof(SYNTH_PORTPARAMS));
 
        PSYNTH_PORTPARAMS Params = (PSYNTH_PORTPARAMS)pRequest->Value;
 
        if (Params->ValidParams & ~SYNTH_PORTPARAMS_CHANNELGROUPS)
        {
            Params->ValidParams &= SYNTH_PORTPARAMS_CHANNELGROUPS;
        }
 
        if (!(Params->ValidParams & SYNTH_PORTPARAMS_CHANNELGROUPS))
        {
            Params->ChannelGroups = 1;
        }
        else if (Params->ChannelGroups != 1)
        {
            Params->ChannelGroups = 1;
        }
 
        pRequest->ValueSize = sizeof(SYNTH_PORTPARAMS);
    }
 
    return ntStatus;
}

◆ QueryInterface()

CMiniportDMusUARTStream::QueryInterface	(	REFIID	InterfaceId,
		PVOID *	Interface
	)

Definition at line 1804 of file miniport_dmus.cpp.

{
    PAGED_CODE();
 
    DPRINT("Stream::NonDelegatingQueryInterface");
    ASSERT(Object);
 
    if (IsEqualGUIDAligned(Interface,IID_IUnknown))
    {
        *Object = PVOID(PUNKNOWN(this));
    }
    else
    if (IsEqualGUIDAligned(Interface,IID_IMXF))
    {
        *Object = PVOID(PMXF(this));
    }
    else
    {
        *Object = NULL;
    }
 
    if (*Object)
    {
        //
        // We reference the interface for the caller.
        //
        PUNKNOWN(*Object)->AddRef();
        return STATUS_SUCCESS;
    }
 
    return STATUS_INVALID_PARAMETER;
}