funcdecl.h

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PptDispatchCreateClose(
    IN  PDEVICE_OBJECT  DeviceObject,
    IN  PIRP            Irp
    );

BOOLEAN
PptSynchronizedIncrement(
    IN OUT  PVOID   SyncContext
    );

BOOLEAN
PptSynchronizedDecrement(
    IN OUT  PVOID   SyncContext
    );

BOOLEAN
PptSynchronizedRead(
    IN OUT  PVOID   SyncContext
    );

BOOLEAN
PptSynchronizedQueue(
    IN  PVOID   Context
    );

BOOLEAN
PptSynchronizedDisconnect(
    IN  PVOID   Context
    );

VOID
PptCancelRoutine(
    IN OUT  PDEVICE_OBJECT  DeviceObject,
    IN OUT  PIRP            Irp
    );

VOID
PptFreePortDpc(
    IN      PKDPC   Dpc,
    IN OUT  PVOID   Extension,
    IN      PVOID   SystemArgument1,
    IN      PVOID   SystemArgument2
    );

BOOLEAN
PptTryAllocatePortAtInterruptLevel(
    IN  PVOID   Context
    );

VOID
PptFreePortFromInterruptLevel(
    IN  PVOID   Context
    );

BOOLEAN
PptInterruptService(
    IN  PKINTERRUPT Interrupt,
    IN  PVOID       Extension
    );

BOOLEAN
PptTryAllocatePort(
    IN  PVOID   Extension
    );

BOOLEAN
PptTraversePortCheckList(
    IN  PVOID   Extension
    );

VOID
PptFreePort(
    IN  PVOID   Extension
    );

ULONG
PptQueryNumWaiters(
    IN  PVOID   Extension
    );

NTSTATUS
PptDispatchDeviceControl(
    IN  PDEVICE_OBJECT  DeviceObject,
    IN  PIRP            Irp
    );

VOID
PptCleanupDevice(
    IN  PFDO_EXTENSION   Extension
    );

NTSTATUS
PptDispatchCleanup(
    IN  PDEVICE_OBJECT  DeviceObject,
    IN  PIRP            Irp
    );

VOID
PptUnload(
    IN  PDRIVER_OBJECT  DriverObject
    );

BOOLEAN
PptIsNecR98Machine(
    void
    );

//
// parmode.c
//

NTSTATUS
PptDetectChipFilter(
    IN  PFDO_EXTENSION   Extension
    );

NTSTATUS
PptDetectPortType(
    IN  PFDO_EXTENSION   Extension
    );

NTSTATUS
PptSetChipMode (
    IN  PFDO_EXTENSION  Extension,
    IN  UCHAR              ChipMode
    );

NTSTATUS
PptClearChipMode (
    IN  PFDO_EXTENSION  Extension,
    IN  UCHAR              ChipMode
    );

//
// par12843.c
//

ULONG
PptInitiate1284_3(
    IN  PVOID   Extension
    );

NTSTATUS
PptTrySelectDevice(
    IN  PVOID   Context,
    IN  PVOID   TrySelectCommand
    );

NTSTATUS
PptDeselectDevice(
    IN  PVOID   Context,
    IN  PVOID   DeselectCommand
    );

ULONG
Ppt1284_3AssignAddress(
    IN  PFDO_EXTENSION    DeviceExtension
    );

BOOLEAN
PptSend1284_3Command(
    IN  PUCHAR  CurrentPort,
    IN  UCHAR   Command
    );

//
// Ppt RemoveLock function declarations
//
NTSTATUS
PptAcquireRemoveLock(
    IN PIO_REMOVE_LOCK RemoveLock,
    IN PVOID           Tag OPTIONAL
    );

VOID
PptReleaseRemoveLock(
    IN PIO_REMOVE_LOCK RemoveLock,
    IN PVOID           Tag OPTIONAL
    );

VOID
PptReleaseRemoveLockAndWait(
    IN PIO_REMOVE_LOCK RemoveLock,
    IN PVOID           Tag
    );

//
// power management function declarations
//
NTSTATUS
PptPowerDispatch (
    IN PDEVICE_OBJECT pDeviceObject,
    IN PIRP           pIrp
    );



//
// other function declarations
//

PWSTR
PptGetPortNameFromPhysicalDeviceObject(
  PDEVICE_OBJECT PhysicalDeviceObject
  );

NTSTATUS
PptSynchCompletionRoutine(
    IN PDEVICE_OBJECT DeviceObject,
    IN PIRP Irp,
    IN PKEVENT Event
    );

NTSTATUS
PptTrySelectLegacyZip(
    IN  PVOID   Context,
    IN  PVOID   TrySelectCommand
    );

NTSTATUS
PptDeselectLegacyZip(
    IN  PVOID   Context,
    IN  PVOID   DeselectCommand
    );

NTSTATUS
PptRegGetDeviceParameterDword(
    IN     PDEVICE_OBJECT  Pdo,
    IN     PWSTR           ParameterName,
    IN OUT PULONG          ParameterValue
    );

NTSTATUS
PptRegSetDeviceParameterDword(
    IN PDEVICE_OBJECT  Pdo,
    IN PWSTR           ParameterName,
    IN PULONG          ParameterValue
    );

NTSTATUS
PptBuildParallelPortDeviceName(
    IN  ULONG           Number,
    OUT PUNICODE_STRING DeviceName
    );

NTSTATUS
PptInitializeDeviceExtension(
    IN PDRIVER_OBJECT  pDriverObject,
    IN PDEVICE_OBJECT  pPhysicalDeviceObject,
    IN PDEVICE_OBJECT  pDeviceObject,
    IN PUNICODE_STRING uniNameString,
    IN PWSTR           portName,
    IN ULONG           portNumber
    );

NTSTATUS
PptGetPortNumberFromLptName( 
    IN  PWSTR  PortName, 
    OUT PULONG PortNumber 
    );

PDEVICE_OBJECT
PptBuildFdo( 
    IN PDRIVER_OBJECT pDriverObject, 
    IN PDEVICE_OBJECT pPhysicalDeviceObject 
    );

VOID
PptDetectEppPort(
    IN  PFDO_EXTENSION   Extension
    );

// orig pnp.h follows

NTSTATUS
PptPnpFilterResourceRequirements(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpQueryDeviceRelations(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpQueryStopDevice(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp
    );

NTSTATUS
PptPnpCancelStopDevice(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpStopDevice(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpQueryRemoveDevice(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpCancelRemoveDevice(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpRemoveDevice(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpSurpriseRemoval(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpUnhandledIrp(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpStartDevice(
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP           Irp
    );

NTSTATUS
PptPnpStartValidateResources(
    IN PDEVICE_OBJECT DeviceObject,                              
    IN BOOLEAN        FoundPort,
    IN BOOLEAN        FoundIrq,
    IN BOOLEAN        FoundDma
    );

NTSTATUS
PptPnpStartScanCmResourceList(
    IN  PFDO_EXTENSION Extension,
    IN  PIRP              Irp, 
    OUT PBOOLEAN          FoundPort,
    OUT PBOOLEAN          FoundIrq,
    OUT PBOOLEAN          FoundDma
    );

NTSTATUS
PptPnpPassThroughPnpIrpAndReleaseRemoveLock(
    IN PFDO_EXTENSION Extension,
    IN PIRP              Irp
    );

NTSTATUS
PptPnpRemoveDevice(
    IN PDEVICE_OBJECT DeviceObject,
    IN PIRP           Irp
    );

VOID
PptPnpFilterNukeIrqResourceDescriptors(
    IN OUT PIO_RESOURCE_LIST IoResourceList
    );

VOID
PptPnpFilterNukeIrqResourceDescriptorsFromAllLists(
    IN OUT PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList
    );

BOOLEAN
PptPnpFilterExistsNonIrqResourceList(
    IN PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList
    );

PVOID
PptPnpFilterGetEndOfResourceRequirementsList(
    IN PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList
    );

BOOLEAN
PptPnpListContainsIrqResourceDescriptor(
    IN PIO_RESOURCE_LIST List
    );

VOID
PptPnpFilterRemoveIrqResourceLists(
    PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList
    );

NTSTATUS
PptPnpBounceAndCatchPnpIrp(
    IN PFDO_EXTENSION Extension,
    IN PIRP              Irp
    );

PWSTR
P4MakePdoSymLinkName(
    IN PWSTR          LptName,
    IN enum _PdoType  PdoType,
    IN UCHAR          DaisyChainId, // ignored unless PdoType == PdoTypeDaisyChain
    IN UCHAR          RetryNumber
    );

PWSTR
P4MakePdoDeviceName(
    IN PWSTR          LptName,
    IN enum _PdoType  PdoType,
    IN UCHAR          DaisyChainId, // ignored unless PdoType == PdoTypeDaisyChain
    IN UCHAR          RetryNumber   // used if we had a name collision on IoCreateDevice
    );

PDEVICE_OBJECT
P4CreatePdo(
    IN PDEVICE_OBJECT  Fdo,
    IN enum _PdoType   PdoType,
    IN UCHAR           DaisyChainId, // ignored unless PdoType == PdoTypeDaisyChain
    IN PCHAR           Ieee1284Id    // NULL if device does not report IEEE 1284 Device ID
    );

VOID
P4DestroyPdo(
    IN PDEVICE_OBJECT  Pdo
    );             

NTSTATUS
PptFindNatChip(
    IN  PFDO_EXTENSION   Extension
    );

NTSTATUS
PptBuildResourceList(
    IN  PFDO_EXTENSION   Extension,
    IN  ULONG               Partial,
    IN  PUCHAR             *Addresses,
    OUT PCM_RESOURCE_LIST   Resources
    );

// parmode.h

NTSTATUS
PptDetectChipFilter(
    IN  PFDO_EXTENSION   Extension
    );

NTSTATUS
PptDetectPortType(
    IN  PFDO_EXTENSION   Extension
    );
    
NTSTATUS
PptDetectPortCapabilities(
    IN  PFDO_EXTENSION   Extension
    );
    
VOID
PptDetectEcpPort(
    IN  PFDO_EXTENSION   Extension
    );

VOID
PptDetectEppPortIfDot3DevicePresent(
    IN  PFDO_EXTENSION   Extension
    );

VOID
PptDetectEppPortIfUserRequested(
    IN  PFDO_EXTENSION   Extension
    );

VOID
PptDetectBytePort(
    IN  PFDO_EXTENSION   Extension
    );

VOID 
PptDetermineFifoDepth(
    IN PFDO_EXTENSION   Extension
    );

VOID
PptDetermineFifoWidth(
    IN PFDO_EXTENSION   Extension
    );

NTSTATUS
PptSetChipMode (
    IN  PFDO_EXTENSION  Extension,
    IN  UCHAR              ChipMode
    );

NTSTATUS
PptClearChipMode (
    IN  PFDO_EXTENSION  Extension,
    IN  UCHAR              ChipMode
    );

NTSTATUS
PptEcrSetMode(
    IN  PFDO_EXTENSION   Extension,
    IN  UCHAR               ChipMode
    );

NTSTATUS
PptCheckBidiMode(
    IN  PFDO_EXTENSION   Extension
    );

NTSTATUS
PptEcrClearMode(
    IN  PFDO_EXTENSION   Extension
    );
    
NTSTATUS
PptSetByteMode( 
    IN  PFDO_EXTENSION   Extension,
    IN  UCHAR               ChipMode
    );

NTSTATUS
PptClearByteMode( 
    IN  PFDO_EXTENSION   Extension
    );

NTSTATUS
PptCheckByteMode(
    IN  PFDO_EXTENSION   Extension
    );

NTSTATUS
P4CompleteRequest(
    IN PIRP       Irp,
    IN NTSTATUS   Status,
    IN ULONG_PTR  Information 
    );

NTSTATUS
P4CompleteRequestReleaseRemLock(
    IN PIRP             Irp,
    IN NTSTATUS         Status,
    IN ULONG_PTR        Information,
    IN PIO_REMOVE_LOCK  RemLock
    );

VOID
P4SanitizeId(
    IN OUT PWSTR DeviceId
    );

VOID
P4AcquireBus( IN PDEVICE_OBJECT Fdo ); // this call will block until bus can be acquired

VOID
P4ReleaseBus( PDEVICE_OBJECT Fdo );

PCHAR
P4ReadRawIeee1284DeviceId(
    IN  PUCHAR          Controller
    );

VOID
P4WritePortNameToDevNode( PDEVICE_OBJECT Pdo, PCHAR Location );

NTSTATUS
PptPdoCreateOpen(
    IN PDEVICE_OBJECT  Pdo,
    IN PIRP            Irp
    );


NTSTATUS PptFdoHandleBusRelations( IN PDEVICE_OBJECT Fdo, IN PIRP Irp );
NTSTATUS PptPnpStartScanPciCardCmResourceList( PFDO_EXTENSION Extension, PIRP Irp, PBOOLEAN FoundPort, PBOOLEAN FoundIrq, PBOOLEAN FoundDma );
BOOLEAN PptIsPci( PFDO_EXTENSION Extension, PIRP Irp );
NTSTATUS PptPnpStartScanCmResourceList( PFDO_EXTENSION Extension, PIRP Irp, PBOOLEAN FoundPort, PBOOLEAN FoundIrq, PBOOLEAN FoundDma );
NTSTATUS PptPnpStartValidateResources( PDEVICE_OBJECT DeviceObject, IN BOOLEAN FoundPort, IN BOOLEAN FoundIrq, IN BOOLEAN FoundDma );
BOOLEAN PptPnpFilterExistsNonIrqResourceList( IN PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList );
VOID PptPnpFilterRemoveIrqResourceLists( PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList );
PVOID PptPnpFilterGetEndOfResourceRequirementsList( IN PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList );
VOID PptPnpFilterNukeIrqResourceDescriptorsFromAllLists( PIO_RESOURCE_REQUIREMENTS_LIST ResourceRequirementsList );
VOID PptPnpFilterNukeIrqResourceDescriptors( PIO_RESOURCE_LIST IoResourceList );
BOOLEAN PptPnpListContainsIrqResourceDescriptor( IN PIO_RESOURCE_LIST List );
NTSTATUS PptPnpBounceAndCatchPnpIrp( PFDO_EXTENSION Extension, PIRP Irp );
NTSTATUS PptPnpPassThroughPnpIrpAndReleaseRemoveLock( IN PFDO_EXTENSION Extension, IN PIRP Irp );


VOID PptPdoGetPortInfoFromFdo( PDEVICE_OBJECT Pdo );


NTSTATUS
ParForwardToReverse(
    IN  PPDO_EXTENSION   Extension
    );

BOOLEAN 
ParHaveReadData(
    IN  PPDO_EXTENSION   Extension
    );

NTSTATUS 
ParPing(
    IN  PPDO_EXTENSION   Extension
    );

NTSTATUS
ParReverseToForward(
    IN  PPDO_EXTENSION   Extension
    );


NTSTATUS
ParRead(
    IN PPDO_EXTENSION    Extension,
    OUT PVOID               Buffer,
    IN  ULONG               NumBytesToRead,
    OUT PULONG              NumBytesRead
    );

VOID
ParReadIrp(
    IN  PPDO_EXTENSION   Extension
    );

NTSTATUS
ParSetFwdAddress(
    IN  PPDO_EXTENSION   Extension
    );

VOID
ParTerminate(
    IN  PPDO_EXTENSION   Extension
    );

NTSTATUS
ParWrite(
    IN PPDO_EXTENSION    Extension,
    OUT PVOID               Buffer,
    IN  ULONG               NumBytesToWrite,
    OUT PULONG              NumBytesWritten
    );

VOID
ParWriteIrp(
    IN  PPDO_EXTENSION   Extension
    );


NTSTATUS
ParWmiPdoQueryWmiDataBlock(
    IN  PDEVICE_OBJECT  DeviceObject,
    IN  PIRP            Irp,
    IN  ULONG           GuidIndex,
    IN  ULONG           InstanceIndex,
    IN  ULONG           InstanceCount,
    IN  OUT PULONG      InstanceLengthArray,
    IN  ULONG           OutBufferSize,
    OUT PUCHAR          Buffer
    );

NTSTATUS
ParWmiPdoQueryWmiRegInfo(
    IN  PDEVICE_OBJECT  PDevObj, 
    OUT PULONG          PRegFlags,
    OUT PUNICODE_STRING PInstanceName,
    OUT PUNICODE_STRING *PRegistryPath,
    OUT PUNICODE_STRING MofResourceName,
    OUT PDEVICE_OBJECT  *Pdo 
);


NTSTATUS
ParEcpEnterReversePhase(
    IN  PPDO_EXTENSION   Extension
    );

NTSTATUS
ParEcpExitReversePhase(
    IN  PPDO_EXTENSION   Extension
    );