usbuhci.c File Reference

#include "usbuhci.h"
#include <debug.h>
#include "dbg_uhci.h"

Include dependency graph for usbuhci.c:

Go to the source code of this file.

Macros
#define	NDEBUG
#define	NDEBUG_UHCI_TRACE
#define	NDEBUG_UHCI_IMPLEMENT

Functions
VOID NTAPI	UhciDumpHcdQH (PUHCI_HCD_QH QH)
VOID NTAPI	UhciDumpHcdTD (PUHCI_HCD_TD TD)
VOID NTAPI	UhciFixDataToggle (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint, IN PUHCI_HCD_TD TD, IN BOOL DataToggle)
VOID NTAPI	UhciCleanupFrameListEntry (IN PUHCI_EXTENSION UhciExtension, IN ULONG Index)
VOID NTAPI	UhciCleanupFrameList (IN PUHCI_EXTENSION UhciExtension, IN BOOLEAN IsAllEntries)
VOID NTAPI	UhciUpdateCounter (IN PUHCI_EXTENSION UhciExtension)
VOID NTAPI	UhciSetNextQH (IN PUHCI_HCD_QH QH, IN PUHCI_HCD_QH NextQH)
MPSTATUS NTAPI	UhciOpenEndpoint (IN PVOID uhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PVOID uhciEndpoint)
MPSTATUS NTAPI	UhciReopenEndpoint (IN PVOID uhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PVOID uhciEndpoint)
VOID NTAPI	UhciQueryEndpointRequirements (IN PVOID uhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PUSBPORT_ENDPOINT_REQUIREMENTS EndpointRequirements)
VOID NTAPI	UhciCloseEndpoint (IN PVOID uhciExtension, IN PVOID uhciEndpoint, IN BOOLEAN IsDoDisablePeriodic)
MPSTATUS NTAPI	UhciTakeControlHC (IN PUHCI_EXTENSION UhciExtension, IN PUSBPORT_RESOURCES Resources)
MPSTATUS NTAPI	UhciInitializeHardware (IN PUHCI_EXTENSION UhciExtension)
MPSTATUS NTAPI	UhciInitializeSchedule (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_HC_RESOURCES HcResourcesVA, IN ULONG hcResourcesPA)
MPSTATUS NTAPI	UhciStartController (IN PVOID uhciExtension, IN PUSBPORT_RESOURCES Resources)
VOID NTAPI	UhciStopController (IN PVOID uhciExtension, IN BOOLEAN IsDoDisableInterrupts)
VOID NTAPI	UhciSuspendController (IN PVOID uhciExtension)
MPSTATUS NTAPI	UhciResumeController (IN PVOID uhciExtension)
BOOLEAN NTAPI	UhciHardwarePresent (IN PUHCI_EXTENSION UhciExtension)
BOOLEAN NTAPI	UhciInterruptService (IN PVOID uhciExtension)
VOID NTAPI	UhciInterruptDpc (IN PVOID uhciExtension, IN BOOLEAN IsDoEnableInterrupts)
VOID NTAPI	UhciQueueTransfer (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint, IN PUHCI_HCD_TD FirstTD, IN PUHCI_HCD_TD LastTD)
PUHCI_HCD_TD NTAPI	UhciAllocateTD (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint)
VOID NTAPI	UhciMapAsyncTransferToTDs (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint, IN PUHCI_TRANSFER UhciTransfer, OUT PUHCI_HCD_TD *OutFirstTD, OUT PUHCI_HCD_TD *OutLastTD, IN PUSBPORT_SCATTER_GATHER_LIST SgList)
MPSTATUS NTAPI	UhciControlTransfer (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN PUHCI_TRANSFER UhciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SgList)
MPSTATUS NTAPI	UhciBulkOrInterruptTransfer (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN PUHCI_TRANSFER UhciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SgList)
MPSTATUS NTAPI	UhciSubmitTransfer (IN PVOID uhciExtension, IN PVOID uhciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN PVOID uhciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SgList)
USBD_STATUS NTAPI	UhciGetErrorFromTD (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_HCD_TD TD)
VOID NTAPI	UhciProcessDoneNonIsoTD (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_HCD_TD TD)
MPSTATUS NTAPI	UhciIsochTransfer (IN PVOID ehciExtension, IN PVOID ehciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN PVOID ehciTransfer, IN PVOID isoParameters)
VOID NTAPI	UhciAbortIsoTransfer (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint, IN PUHCI_TRANSFER UhciTransfer)
VOID NTAPI	UhciAbortNonIsoTransfer (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint, IN PUHCI_TRANSFER UhciTransfer, IN PULONG CompletedLength)
VOID NTAPI	UhciAbortTransfer (IN PVOID uhciExtension, IN PVOID uhciEndpoint, IN PVOID uhciTransfer, IN PULONG CompletedLength)
ULONG NTAPI	UhciGetEndpointState (IN PVOID uhciExtension, IN PVOID uhciEndpoint)
VOID NTAPI	UhciInsertQH (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_HCD_QH StaticQH, IN PUHCI_HCD_QH QH)
VOID NTAPI	UhciUnlinkQH (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_HCD_QH QH)
VOID NTAPI	UhciSetEndpointState (IN PVOID uhciExtension, IN PVOID uhciEndpoint, IN ULONG EndpointState)
ULONG NTAPI	UhciGetEndpointStatus (IN PVOID uhciExtension, IN PVOID uhciEndpoint)
VOID NTAPI	UhciSetEndpointStatus (IN PVOID uhciExtension, IN PVOID uhciEndpoint, IN ULONG EndpointStatus)
VOID NTAPI	UhciPollIsoEndpoint (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint)
VOID NTAPI	UhciPollNonIsoEndpoint (IN PUHCI_EXTENSION UhciExtension, IN PUHCI_ENDPOINT UhciEndpoint)
VOID NTAPI	UhciPollEndpoint (IN PVOID uhciExtension, IN PVOID uhciEndpoint)
VOID NTAPI	UhciCheckController (IN PVOID uhciExtension)
ULONG NTAPI	UhciGet32BitFrameNumber (IN PVOID uhciExtension)
VOID NTAPI	UhciInterruptNextSOF (IN PVOID uhciExtension)
VOID NTAPI	UhciEnableInterrupts (IN PVOID uhciExtension)
VOID NTAPI	UhciDisableInterrupts (IN PVOID uhciExtension)
VOID NTAPI	UhciPollController (IN PVOID uhciExtension)
VOID NTAPI	UhciSetEndpointDataToggle (IN PVOID uhciExtension, IN PVOID uhciEndpoint, IN ULONG DataToggle)
VOID NTAPI	UhciResetController (IN PVOID uhciExtension)
MPSTATUS NTAPI	UhciStartSendOnePacket (IN PVOID uhciExtension, IN PVOID PacketParameters, IN PVOID Data, IN PULONG pDataLength, IN PVOID BufferVA, IN PVOID BufferPA, IN ULONG BufferLength, IN USBD_STATUS *pUSBDStatus)
MPSTATUS NTAPI	UhciEndSendOnePacket (IN PVOID uhciExtension, IN PVOID PacketParameters, IN PVOID Data, IN PULONG pDataLength, IN PVOID BufferVA, IN PVOID BufferPA, IN ULONG BufferLength, IN USBD_STATUS *pUSBDStatus)
MPSTATUS NTAPI	UhciPassThru (IN PVOID uhciExtension, IN PVOID passThruParameters, IN ULONG ParameterLength, IN PVOID pParameters)
VOID NTAPI	UhciFlushInterrupts (IN PVOID uhciExtension)
MPSTATUS NTAPI	UhciUnload (IN PVOID uhciExtension)
NTSTATUS NTAPI	DriverEntry (IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath)

Variables
USBPORT_REGISTRATION_PACKET	RegPacket

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 10 of file usbuhci.c.

NDEBUG_UHCI_IMPLEMENT

#define NDEBUG_UHCI_IMPLEMENT

Definition at line 14 of file usbuhci.c.

NDEBUG_UHCI_TRACE

#define NDEBUG_UHCI_TRACE

Definition at line 13 of file usbuhci.c.

Function Documentation

DriverEntry()

NTSTATUS NTAPI DriverEntry	(	IN PDRIVER_OBJECT	DriverObject,
		IN PUNICODE_STRING	RegistryPath
	)

Definition at line 2689 of file usbuhci.c.

{
    DPRINT("DriverEntry: DriverObject - %p, RegistryPath - %p\n", DriverObject, RegistryPath);
 
    RtlZeroMemory(&RegPacket, sizeof(USBPORT_REGISTRATION_PACKET));
 
    RegPacket.MiniPortVersion = USB_MINIPORT_VERSION_UHCI;
 
    RegPacket.MiniPortFlags = USB_MINIPORT_FLAGS_INTERRUPT |
                              USB_MINIPORT_FLAGS_PORT_IO |
                              USB_MINIPORT_FLAGS_NOT_LOCK_INT |
                              USB_MINIPORT_FLAGS_POLLING |
                              USB_MINIPORT_FLAGS_WAKE_SUPPORT;
 
    RegPacket.MiniPortBusBandwidth = TOTAL_USB11_BUS_BANDWIDTH;
 
    RegPacket.MiniPortExtensionSize = sizeof(UHCI_EXTENSION);
    RegPacket.MiniPortEndpointSize = sizeof(UHCI_ENDPOINT);
    RegPacket.MiniPortTransferSize = sizeof(UHCI_TRANSFER);
    RegPacket.MiniPortResourcesSize = sizeof(UHCI_HC_RESOURCES);
 
    RegPacket.OpenEndpoint = UhciOpenEndpoint;
    RegPacket.ReopenEndpoint = UhciReopenEndpoint;
    RegPacket.QueryEndpointRequirements = UhciQueryEndpointRequirements;
    RegPacket.CloseEndpoint = UhciCloseEndpoint;
    RegPacket.StartController = UhciStartController;
    RegPacket.StopController = UhciStopController;
    RegPacket.SuspendController = UhciSuspendController;
    RegPacket.ResumeController = UhciResumeController;
    RegPacket.InterruptService = UhciInterruptService;
    RegPacket.InterruptDpc = UhciInterruptDpc;
    RegPacket.SubmitTransfer = UhciSubmitTransfer;
    RegPacket.SubmitIsoTransfer = UhciIsochTransfer;
    RegPacket.AbortTransfer = UhciAbortTransfer;
    RegPacket.GetEndpointState = UhciGetEndpointState;
    RegPacket.SetEndpointState = UhciSetEndpointState;
    RegPacket.PollEndpoint = UhciPollEndpoint;
    RegPacket.CheckController = UhciCheckController;
    RegPacket.Get32BitFrameNumber = UhciGet32BitFrameNumber;
    RegPacket.InterruptNextSOF = UhciInterruptNextSOF;
    RegPacket.EnableInterrupts = UhciEnableInterrupts;
    RegPacket.DisableInterrupts = UhciDisableInterrupts;
    RegPacket.PollController = UhciPollController;
    RegPacket.SetEndpointDataToggle = UhciSetEndpointDataToggle;
    RegPacket.GetEndpointStatus = UhciGetEndpointStatus;
    RegPacket.SetEndpointStatus = UhciSetEndpointStatus;
    RegPacket.RH_GetRootHubData = UhciRHGetRootHubData;
    RegPacket.RH_GetStatus = UhciRHGetStatus;
    RegPacket.RH_GetPortStatus = UhciRHGetPortStatus;
    RegPacket.RH_GetHubStatus = UhciRHGetHubStatus;
    RegPacket.RH_SetFeaturePortReset = UhciRHSetFeaturePortReset;
    RegPacket.RH_SetFeaturePortPower = UhciRHSetFeaturePortPower;
    RegPacket.RH_SetFeaturePortEnable = UhciRHSetFeaturePortEnable;
    RegPacket.RH_SetFeaturePortSuspend = UhciRHSetFeaturePortSuspend;
    RegPacket.RH_ClearFeaturePortEnable = UhciRHClearFeaturePortEnable;
    RegPacket.RH_ClearFeaturePortPower = UhciRHClearFeaturePortPower;
    RegPacket.RH_ClearFeaturePortSuspend = UhciRHClearFeaturePortSuspend;
    RegPacket.RH_ClearFeaturePortEnableChange = UhciRHClearFeaturePortEnableChange;
    RegPacket.RH_ClearFeaturePortConnectChange = UhciRHClearFeaturePortConnectChange;
    RegPacket.RH_ClearFeaturePortResetChange = UhciRHClearFeaturePortResetChange;
    RegPacket.RH_ClearFeaturePortSuspendChange = UhciRHClearFeaturePortSuspendChange;
    RegPacket.RH_ClearFeaturePortOvercurrentChange = UhciRHClearFeaturePortOvercurrentChange;
    RegPacket.RH_DisableIrq = UhciRHDisableIrq;
    RegPacket.RH_EnableIrq = UhciRHEnableIrq;
    RegPacket.StartSendOnePacket = UhciStartSendOnePacket;
    RegPacket.EndSendOnePacket = UhciEndSendOnePacket;
    RegPacket.PassThru = UhciPassThru;
    RegPacket.FlushInterrupts = UhciFlushInterrupts;
 
    DriverObject->DriverUnload = NULL;
 
    return USBPORT_RegisterUSBPortDriver(DriverObject,
                                         USB10_MINIPORT_INTERFACE_VERSION,
                                         &RegPacket);
}

UhciAbortIsoTransfer()

VOID NTAPI UhciAbortIsoTransfer	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint,
		IN PUHCI_TRANSFER	UhciTransfer
	)

Definition at line 1690 of file usbuhci.c.

{
    DPRINT_IMPL("UhciAbortIsoTransfer: UNIMPLEMENTED. FIXME\n");
}

Referenced by UhciAbortTransfer().

UhciAbortNonIsoTransfer()

VOID NTAPI UhciAbortNonIsoTransfer	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint,
		IN PUHCI_TRANSFER	UhciTransfer,
		IN PULONG	CompletedLength
	)

Definition at line 1699 of file usbuhci.c.

{
    PUHCI_HCD_TD TD;
    PUHCI_HCD_TD PrevTD = NULL;
    ULONG PhysicalAddress;
    BOOL DataToggle;
    BOOLEAN IsHeadTD = FALSE;
 
    DPRINT("UhciAbortNonIsoTransfer: UhciExtension - %p, QH - %p, UhciTransfer - %p\n",
           UhciExtension,
           UhciEndpoint->QH,
           UhciTransfer);
 
    for (TD = UhciEndpoint->HeadTD;
         TD && TD->UhciTransfer != UhciTransfer;
         TD = TD->NextHcdTD)
    {
        PrevTD = TD;
    }
 
    DataToggle = TD->HwTD.Token.DataToggle;
 
    if (TD == UhciEndpoint->HeadTD)
        IsHeadTD = TRUE;
 
    while (TD && TD->UhciTransfer == UhciTransfer)
    {
        DPRINT_UHCI("UhciAbortNonIsoTransfer: TD - %p\n", TD);
 
        if (TD->HwTD.ControlStatus.Status & UHCI_TD_STS_ACTIVE)
        {
            if (TD->Flags & UHCI_HCD_TD_FLAG_DATA_BUFFER)
                DPRINT_IMPL("UhciAbortNonIsoTransfer: UNIMPLEMENTED. FIXME\n");
 
            UhciEndpoint->AllocatedTDs--;
 
            DPRINT_UHCI("UhciAbortNonIsoTransfer: Active TD - %p\n", TD);
 
            TD->HwTD.NextElement = 0;
            TD->Flags = 0;
            TD->UhciTransfer = NULL;
        }
        else
        {
            UhciProcessDoneNonIsoTD(UhciExtension, TD);
        }
 
        TD = TD->NextHcdTD;
    }
 
    UhciFixDataToggle(UhciExtension,
                      UhciEndpoint,
                      TD,
                      DataToggle);
 
    if (IsHeadTD)
    {
        if (TD)
        {
            UhciEndpoint->HeadTD = TD;
        }
        else
        {
            UhciEndpoint->HeadTD = NULL;
            UhciEndpoint->TailTD = NULL;
        }
 
        if (TD == NULL || UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_HALTED)
        {
            PhysicalAddress = UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
        }
        else
        {
            PhysicalAddress = TD->PhysicalAddress;
            PhysicalAddress &= ~UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
        }
 
        DPRINT_UHCI("UhciAbortNonIsoTransfer: TD - %p\n", TD);
 
        UhciEndpoint->QH->HwQH.NextElement = PhysicalAddress;
        UhciEndpoint->QH->HwQH.NextElement &= ~UHCI_QH_ELEMENT_LINK_PTR_QH;
    }
    else if (TD)
    {
        PrevTD->HwTD.NextElement = TD->PhysicalAddress & UHCI_TD_LINK_POINTER_MASK;
        PrevTD->NextHcdTD = TD;
    }
    else
    {
        PrevTD->NextHcdTD = NULL;
        PrevTD->HwTD.NextElement = UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
 
        UhciEndpoint->TailTD = PrevTD;
    }
 
    *CompletedLength = UhciTransfer->TransferLen;
}

Referenced by UhciAbortTransfer().

UhciAbortTransfer()

VOID NTAPI UhciAbortTransfer	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint,
		IN PVOID	uhciTransfer,
		IN PULONG	CompletedLength
	)

Definition at line 1802 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_ENDPOINT UhciEndpoint = uhciEndpoint;
    PUHCI_TRANSFER UhciTransfer = uhciTransfer;
    ULONG TransferType;
 
    DPRINT("UhciAbortTransfer: ...\n");
 
    InterlockedDecrement(&UhciEndpoint->EndpointLock);
 
    TransferType = UhciEndpoint->EndpointProperties.TransferType;
 
    if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
    {
        InterlockedDecrement(&UhciExtension->ExtensionLock);
 
        UhciAbortIsoTransfer(UhciExtension,
                             UhciEndpoint,
                             UhciTransfer);
    }
 
    if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL ||
        TransferType == USBPORT_TRANSFER_TYPE_BULK ||
        TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
    {
        UhciAbortNonIsoTransfer(UhciExtension,
                                UhciEndpoint,
                                UhciTransfer,
                                CompletedLength);
    }
}

Referenced by DriverEntry().

UhciAllocateTD()

PUHCI_HCD_TD NTAPI UhciAllocateTD	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint
	)

Definition at line 1046 of file usbuhci.c.

{
    PUHCI_HCD_TD TD;
    ULONG AllocTdCounter;
    ULONG ix;
 
    DPRINT_UHCI("UhciAllocateTD: ...\n");
 
    AllocTdCounter = UhciEndpoint->AllocTdCounter;
 
    for (ix = 0; ix < UhciEndpoint->MaxTDs; ++ix)
    {
        TD = &UhciEndpoint->FirstTD[AllocTdCounter];
 
        if (!(TD->Flags & UHCI_HCD_TD_FLAG_ALLOCATED))
        {
            TD->Flags |= UHCI_HCD_TD_FLAG_ALLOCATED;
 
            UhciEndpoint->AllocatedTDs++;
            UhciEndpoint->AllocTdCounter = AllocTdCounter;
 
            return TD;
        }
 
        if (AllocTdCounter < UhciEndpoint->MaxTDs - 1)
            AllocTdCounter++;
        else
            AllocTdCounter = 0;
    }
 
    return NULL;
}

Referenced by UhciControlTransfer(), and UhciMapAsyncTransferToTDs().

UhciBulkOrInterruptTransfer()

MPSTATUS NTAPI UhciBulkOrInterruptTransfer	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint,
		IN PUSBPORT_TRANSFER_PARAMETERS	TransferParameters,
		IN PUHCI_TRANSFER	UhciTransfer,
		IN PUSBPORT_SCATTER_GATHER_LIST	SgList
	)

Definition at line 1389 of file usbuhci.c.

{
    PUHCI_HCD_TD DataFirstTD;
    PUHCI_HCD_TD DataLastTD;
    ULONG TotalMaxPacketSize;
    ULONG SgCount;
    ULONG TransferLength;
    ULONG TDs;
    ULONG ix;
 
    DPRINT_UHCI("UhciBulkOrInterruptTransfer: ...\n");
 
    TotalMaxPacketSize = UhciEndpoint->EndpointProperties.TotalMaxPacketSize;
 
    SgCount = SgList->SgElementCount;
 
    if (SgCount == 0)
    {
        DPRINT("UhciBulkOrInterruptTransfer: SgCount == 0 \n");
        TDs = 1;
    }
    else
    {
        TransferLength = 0;
 
        for (ix = 0; ix < SgCount; ++ix)
        {
            TransferLength += SgList->SgElement[ix].SgTransferLength;
        }
 
        DPRINT("UhciBulkOrInterruptTransfer: SgCount - %X, TransferLength - %X\n",
               SgList->SgElementCount,
               TransferLength);
 
        if (TransferLength)
        {
            TDs = TransferLength + (TotalMaxPacketSize - 1);
            TDs /= TotalMaxPacketSize;
        }
        else
        {
            TDs = 1;
        }
    }
 
    if ((UhciEndpoint->MaxTDs - UhciEndpoint->AllocatedTDs) < TDs)
    {
        DPRINT1("UhciBulkOrInterruptTransfer: Not enough TDs \n");
        return MP_STATUS_FAILURE;
    }
 
    DataFirstTD = NULL;
    DataLastTD = NULL;
 
    UhciMapAsyncTransferToTDs(UhciExtension,
                              UhciEndpoint,
                              UhciTransfer,
                              &DataFirstTD,
                              &DataLastTD,
                              SgList);
 
    if (DataLastTD == NULL || DataFirstTD == NULL)
    {
        DPRINT1("UhciBulkOrInterruptTransfer: !DataLastTD || !DataFirstTD\n");
        return MP_STATUS_FAILURE;
    }
 
    DataLastTD->HwTD.NextElement = UHCI_TD_LINK_PTR_TERMINATE;
    DataLastTD->HwTD.ControlStatus.InterruptOnComplete = 1;
    DataLastTD->NextHcdTD = NULL;
 
    UhciQueueTransfer(UhciExtension,
                      UhciEndpoint,
                      DataFirstTD,
                      DataLastTD);
 
    return MP_STATUS_SUCCESS;
}

Referenced by UhciSubmitTransfer().

UhciCheckController()

VOID NTAPI UhciCheckController

(

IN PVOID

uhciExtension

)

Definition at line 2424 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
 
    if (!UhciHardwarePresent(UhciExtension) ||
        UhciExtension->HcScheduleError >= UHCI_MAX_HC_SCHEDULE_ERRORS)
    {
       DPRINT1("UhciCheckController: INVALIDATE_CONTROLLER_SURPRISE_REMOVE !!!\n");
 
       RegPacket.UsbPortInvalidateController(UhciExtension,
                                             USBPORT_INVALIDATE_CONTROLLER_SURPRISE_REMOVE);
    }
}

Referenced by DriverEntry().

UhciCleanupFrameList()

VOID NTAPI UhciCleanupFrameList	(	IN PUHCI_EXTENSION	UhciExtension,
		IN BOOLEAN	IsAllEntries
	)

Definition at line 117 of file usbuhci.c.

{
    ULONG NewFrameNumber;
    ULONG OldFrameNumber;
    ULONG ix;
 
    DPRINT_UHCI("UhciCleanupFrameList: [%p] All - %x\n",
                UhciExtension, IsAllEntries);
 
    // FIXME: using UhciExtension->LockFrameList after supporting ISOs.
 
    NewFrameNumber = UhciGet32BitFrameNumber(UhciExtension);
    OldFrameNumber = UhciExtension->FrameNumber;
 
    if ((NewFrameNumber - OldFrameNumber) < UHCI_FRAME_LIST_MAX_ENTRIES &&
        IsAllEntries == FALSE)
    {
        for (ix = OldFrameNumber & UHCI_FRAME_LIST_INDEX_MASK;
             ix != (NewFrameNumber & UHCI_FRAME_LIST_INDEX_MASK);
             ix = (ix + 1) & UHCI_FRAME_LIST_INDEX_MASK)
        {
            UhciCleanupFrameListEntry(UhciExtension, ix);
        }
    }
    else
    {
        for (ix = 0; ix < UHCI_FRAME_LIST_MAX_ENTRIES; ++ix)
        {
            UhciCleanupFrameListEntry(UhciExtension, ix);
        }
    }
 
    UhciExtension->FrameNumber = NewFrameNumber;
}

Referenced by UhciInterruptService(), and UhciPollController().

UhciCleanupFrameListEntry()

VOID NTAPI UhciCleanupFrameListEntry	(	IN PUHCI_EXTENSION	UhciExtension,
		IN ULONG	Index
	)

Definition at line 87 of file usbuhci.c.

{
    PUHCI_HC_RESOURCES UhciResources;
    ULONG PhysicalAddress;
    ULONG HeadIdx;
 
    UhciResources = UhciExtension->HcResourcesVA;
 
    if (Index == 0)
    {
        PhysicalAddress = UhciExtension->StaticTD->PhysicalAddress;
 
        UhciResources->FrameList[0] = PhysicalAddress |
                                      UHCI_FRAME_LIST_POINTER_TD;
    }
    else
    {
        HeadIdx = (INTERRUPT_ENDPOINTs - ENDPOINT_INTERRUPT_32ms) +
                  (Index & (ENDPOINT_INTERRUPT_32ms - 1));
 
        PhysicalAddress = UhciExtension->IntQH[HeadIdx]->PhysicalAddress;
 
        UhciResources->FrameList[Index] = PhysicalAddress |
                                          UHCI_FRAME_LIST_POINTER_QH;
    }
}

Referenced by UhciCleanupFrameList().

UhciCloseEndpoint()

VOID NTAPI UhciCloseEndpoint	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint,
		IN BOOLEAN	IsDoDisablePeriodic
	)

Definition at line 351 of file usbuhci.c.

{
    DPRINT_IMPL("UhciCloseEndpoint: UNIMPLEMENTED. FIXME\n");
}

Referenced by DriverEntry().

UhciControlTransfer()

MPSTATUS NTAPI UhciControlTransfer	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint,
		IN PUSBPORT_TRANSFER_PARAMETERS	TransferParameters,
		IN PUHCI_TRANSFER	UhciTransfer,
		IN PUSBPORT_SCATTER_GATHER_LIST	SgList
	)

Definition at line 1240 of file usbuhci.c.

{
    PUHCI_HCD_TD FirstTD;
    PUHCI_HCD_TD LastTD;
    PUHCI_HCD_TD DataFirstTD;
    PUHCI_HCD_TD DataLastTD;
    UHCI_CONTROL_STATUS ControlStatus;
    USB_DEVICE_SPEED DeviceSpeed;
    USHORT EndpointAddress;
    USHORT DeviceAddress;
    ULONG PhysicalAddress;
 
    DPRINT_UHCI("UhciControlTransfer: UhciTransfer - %p\n", UhciTransfer);
 
    if (UhciEndpoint->EndpointLock > 1)
    {
        InterlockedDecrement(&UhciEndpoint->EndpointLock);
 
        if (UhciEndpoint->EndpointProperties.TransferType ==
            USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
        {
            InterlockedDecrement(&UhciExtension->ExtensionLock);
        }
 
        DPRINT("UhciControlTransfer: end MP_STATUS_FAILURE\n");
        return MP_STATUS_FAILURE;
    }
 
    DeviceSpeed = UhciEndpoint->EndpointProperties.DeviceSpeed;
    EndpointAddress = UhciEndpoint->EndpointProperties.EndpointAddress;
    DeviceAddress = UhciEndpoint->EndpointProperties.DeviceAddress;
 
    /* Allocate and setup first TD */
    UhciTransfer->PendingTds++;
    FirstTD = UhciAllocateTD(UhciExtension, UhciEndpoint);
    FirstTD->Flags |= UHCI_HCD_TD_FLAG_PROCESSED;
    DPRINT_UHCI("UhciControlTransfer: FirstTD - %p\n", FirstTD);
 
    FirstTD->HwTD.NextElement = 0;
 
    ControlStatus.AsULONG = 0;
    ControlStatus.LowSpeedDevice = (DeviceSpeed == UsbLowSpeed);
    ControlStatus.Status |= UHCI_TD_STS_ACTIVE;
    ControlStatus.ErrorCounter = 3;
    FirstTD->HwTD.ControlStatus = ControlStatus;
 
    FirstTD->HwTD.Token.AsULONG = 0;
    FirstTD->HwTD.Token.Endpoint = EndpointAddress;
    FirstTD->HwTD.Token.DeviceAddress = DeviceAddress;
 
    FirstTD->HwTD.Token.MaximumLength = sizeof(USB_DEFAULT_PIPE_SETUP_PACKET);
    FirstTD->HwTD.Token.MaximumLength--;
    FirstTD->HwTD.Token.PIDCode = UHCI_TD_PID_SETUP;
    FirstTD->HwTD.Token.DataToggle = UHCI_TD_PID_DATA0;
 
    RtlCopyMemory(&FirstTD->SetupPacket,
                  &TransferParameters->SetupPacket,
                  sizeof(USB_DEFAULT_PIPE_SETUP_PACKET));
 
    FirstTD->HwTD.Buffer = FirstTD->PhysicalAddress + FIELD_OFFSET(UHCI_HCD_TD, SetupPacket);
 
    FirstTD->NextHcdTD = NULL;
    FirstTD->UhciTransfer = UhciTransfer;
 
    /* Allocate and setup last TD */
    UhciTransfer->PendingTds++;
    LastTD = UhciAllocateTD(UhciExtension, UhciEndpoint);
    LastTD->Flags |= UHCI_HCD_TD_FLAG_PROCESSED;
    DPRINT_UHCI("UhciControlTransfer: LastTD - %p\n", LastTD);
 
    LastTD->HwTD.NextElement = 0;
 
    LastTD->HwTD.ControlStatus.AsULONG = 0;
    LastTD->HwTD.ControlStatus.LowSpeedDevice = (DeviceSpeed == UsbLowSpeed);
    LastTD->HwTD.ControlStatus.Status |= UHCI_TD_STS_ACTIVE;
    LastTD->HwTD.ControlStatus.ErrorCounter = 3;
 
    LastTD->HwTD.Token.AsULONG = 0;
    LastTD->HwTD.Token.Endpoint = EndpointAddress;
    LastTD->HwTD.Token.DeviceAddress = DeviceAddress;
 
    LastTD->UhciTransfer = UhciTransfer;
    LastTD->NextHcdTD = NULL;
 
    /* Allocate and setup TDs for data */
    DataFirstTD = NULL;
    DataLastTD = NULL;
 
    UhciMapAsyncTransferToTDs(UhciExtension,
                              UhciEndpoint,
                              UhciTransfer,
                              &DataFirstTD,
                              &DataLastTD,
                              SgList);
 
    if (DataFirstTD)
    {
        PhysicalAddress = DataFirstTD->PhysicalAddress;
        PhysicalAddress &= UHCI_TD_LINK_POINTER_MASK;
        FirstTD->HwTD.NextElement = PhysicalAddress;
        FirstTD->NextHcdTD = DataFirstTD;
 
        PhysicalAddress = LastTD->PhysicalAddress;
        PhysicalAddress &= UHCI_TD_LINK_POINTER_MASK;
        DataLastTD->HwTD.NextElement = PhysicalAddress;
        DataLastTD->NextHcdTD = LastTD;
    }
    else
    {
        PhysicalAddress = LastTD->PhysicalAddress;
        PhysicalAddress &= UHCI_TD_LINK_POINTER_MASK;
        FirstTD->HwTD.NextElement = PhysicalAddress;
        FirstTD->NextHcdTD = LastTD;
    }
 
    LastTD->HwTD.Buffer = 0;
    LastTD->HwTD.ControlStatus.InterruptOnComplete = 1;
 
    LastTD->HwTD.Token.DataToggle = UHCI_TD_PID_DATA1;
    LastTD->HwTD.Token.MaximumLength = UHCI_TD_LENGTH_NULL;
 
    if (UhciTransfer->TransferParameters->TransferFlags &
        USBD_TRANSFER_DIRECTION_IN)
    {
        LastTD->HwTD.Token.PIDCode = UHCI_TD_PID_OUT;
    }
    else
    {
        LastTD->HwTD.Token.PIDCode = UHCI_TD_PID_IN;
    }
 
    LastTD->HwTD.NextElement = UHCI_TD_LINK_PTR_TERMINATE;
 
    LastTD->Flags |= UHCI_HCD_TD_FLAG_CONTROLL;
    LastTD->NextHcdTD = NULL;
 
    /* Link this transfer to queue */
    UhciQueueTransfer(UhciExtension, UhciEndpoint, FirstTD, LastTD);
 
    DPRINT_UHCI("UhciControlTransfer: end MP_STATUS_SUCCESS\n");
    return MP_STATUS_SUCCESS;
}

Referenced by UhciSubmitTransfer().

UhciDisableInterrupts()

VOID NTAPI UhciDisableInterrupts

(

IN PVOID

uhciExtension

)

Definition at line 2553 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_HW_REGISTERS BaseRegister;
    USB_CONTROLLER_FLAVOR HcFlavor;
    UHCI_PCI_LEGSUP LegacySupport;
 
    DPRINT("UhciDisableInterrupts: UhciExtension - %p\n", UhciExtension);
 
    BaseRegister = UhciExtension->BaseRegister;
    WRITE_PORT_USHORT(&BaseRegister->HcInterruptEnable.AsUSHORT, 0);
 
    HcFlavor = UhciExtension->HcFlavor;
    DPRINT("UhciDisableInterrupts: FIXME HcFlavor - %lx\n", HcFlavor);
 
    RegPacket.UsbPortReadWriteConfigSpace(UhciExtension,
                                          TRUE,
                                          &LegacySupport.AsUSHORT,
                                          PCI_LEGSUP,
                                          sizeof(USHORT));
 
    LegacySupport.UsbPIRQ = 0;
 
    RegPacket.UsbPortReadWriteConfigSpace(UhciExtension,
                                          FALSE,
                                          &LegacySupport.AsUSHORT,
                                          PCI_LEGSUP,
                                          sizeof(USHORT));
}

Referenced by DriverEntry(), and UhciTakeControlHC().

UhciDumpHcdQH()

VOID NTAPI UhciDumpHcdQH

(

PUHCI_HCD_QH

QH

)

Definition at line 21 of file usbuhci.c.

{
    DPRINT("QH              - %p\n", QH);
    DPRINT("NextQH          - %p\n", QH->HwQH.NextQH);
    DPRINT("NextElement     - %p\n", QH->HwQH.NextElement);
 
    DPRINT("PhysicalAddress - %p\n", QH->PhysicalAddress);
    DPRINT("QhFlags         - %X\n", QH->QhFlags);
    DPRINT("NextHcdQH       - %X\n", QH->NextHcdQH);
    DPRINT("PrevHcdQH       - %X\n", QH->PrevHcdQH);
    DPRINT("UhciEndpoint    - %X\n", QH->UhciEndpoint);
}

UhciDumpHcdTD()

VOID NTAPI UhciDumpHcdTD

(

PUHCI_HCD_TD

TD

)

Definition at line 36 of file usbuhci.c.

{
    DPRINT("TD              - %p\n", TD);
    DPRINT("NextElement     - %p\n", TD->HwTD.NextElement);
    DPRINT("ControlStatus   - %08X\n", TD->HwTD.ControlStatus.AsULONG);
    DPRINT("Token           - %p\n", TD->HwTD.Token.AsULONG);
if (TD->HwTD.Buffer)
    DPRINT("Buffer          - %p\n", TD->HwTD.Buffer);
 
if (TD->SetupPacket.bmRequestType.B)
    DPRINT("bmRequestType   - %02X\n", TD->SetupPacket.bmRequestType.B);
if (TD->SetupPacket.bRequest)
    DPRINT("bRequest        - %02X\n", TD->SetupPacket.bRequest);
if (TD->SetupPacket.wValue.W)
    DPRINT("wValue          - %04X\n", TD->SetupPacket.wValue.W);
if (TD->SetupPacket.wIndex.W)
    DPRINT("wIndex          - %04X\n", TD->SetupPacket.wIndex.W);
if (TD->SetupPacket.wLength)
    DPRINT("wLength         - %04X\n", TD->SetupPacket.wLength);
 
    DPRINT("PhysicalAddress - %p\n", TD->PhysicalAddress);
    DPRINT("Flags           - %X\n", TD->Flags);
    DPRINT("NextHcdTD       - %p\n", TD->NextHcdTD);
    DPRINT("UhciTransfer    - %p\n", TD->UhciTransfer);
}

Referenced by UhciPollNonIsoEndpoint().

UhciEnableInterrupts()

VOID NTAPI UhciEnableInterrupts

(

IN PVOID

uhciExtension

)

Definition at line 2523 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_HW_REGISTERS BaseRegister;
    UHCI_PCI_LEGSUP LegacySupport;
 
    DPRINT("UhciEnableInterrupts: UhciExtension - %p\n", UhciExtension);
 
    BaseRegister = UhciExtension->BaseRegister;
 
    RegPacket.UsbPortReadWriteConfigSpace(UhciExtension,
                                          TRUE,
                                          &LegacySupport.AsUSHORT,
                                          PCI_LEGSUP,
                                          sizeof(USHORT));
 
    LegacySupport.UsbPIRQ = 1;
 
    RegPacket.UsbPortReadWriteConfigSpace(UhciExtension,
                                          FALSE,
                                          &LegacySupport.AsUSHORT,
                                          PCI_LEGSUP,
                                          sizeof(USHORT));
 
    WRITE_PORT_USHORT(&BaseRegister->HcInterruptEnable.AsUSHORT,
                      UhciExtension->StatusMask.AsUSHORT);
}

Referenced by DriverEntry().

UhciEndSendOnePacket()

MPSTATUS NTAPI UhciEndSendOnePacket	(	IN PVOID	uhciExtension,
		IN PVOID	PacketParameters,
		IN PVOID	Data,
		IN PULONG	pDataLength,
		IN PVOID	BufferVA,
		IN PVOID	BufferPA,
		IN ULONG	BufferLength,
		IN USBD_STATUS *	pUSBDStatus
	)

Definition at line 2648 of file usbuhci.c.

{
    DPRINT_IMPL("UhciEndSendOnePacket: UNIMPLEMENTED. FIXME\n");
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciFixDataToggle()

VOID NTAPI UhciFixDataToggle	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint,
		IN PUHCI_HCD_TD	TD,
		IN BOOL	DataToggle
	)

Definition at line 64 of file usbuhci.c.

{
    DPRINT_UHCI("UhciFixDataToggle: UhciExtension - %p, UhciEndpoint - %p, DataToggle - %X\n",
                UhciExtension,
                UhciEndpoint,
                DataToggle);
 
    while (TD)
    {
        TD->HwTD.Token.DataToggle = !TD->HwTD.Token.DataToggle;
        DataToggle = !DataToggle;
 
        TD = TD->NextHcdTD;
    }
 
    UhciEndpoint->DataToggle = DataToggle;
}

Referenced by UhciAbortNonIsoTransfer(), and UhciPollNonIsoEndpoint().

UhciFlushInterrupts()

VOID NTAPI UhciFlushInterrupts

(

IN PVOID

uhciExtension

)

Definition at line 2674 of file usbuhci.c.

{
    DPRINT_IMPL("UhciFlushInterrupts: UNIMPLEMENTED. FIXME\n");
}

Referenced by DriverEntry().

UhciGet32BitFrameNumber()

ULONG NTAPI UhciGet32BitFrameNumber

(

IN PVOID

uhciExtension

)

Definition at line 2440 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    ULONG Uhci32BitFrame;
    USHORT Fn; // FrameNumber
    ULONG Hp; // FrameHighPart
 
    Fn = READ_PORT_USHORT(&UhciExtension->BaseRegister->FrameNumber);
    Fn &= UHCI_FRNUM_FRAME_MASK;
    Hp = UhciExtension->FrameHighPart;
 
    Uhci32BitFrame = Hp;
    Uhci32BitFrame += ((USHORT)Hp ^ Fn) & UHCI_FRNUM_OVERFLOW_LIST;
    Uhci32BitFrame |= Fn;
 
    DPRINT_UHCI("UhciGet32BitFrameNumber: Uhci32BitFrame - %lX\n",
                Uhci32BitFrame);
 
    return Uhci32BitFrame;
}

Referenced by DriverEntry(), UhciCleanupFrameList(), UhciInterruptNextSOF(), and UhciSubmitTransfer().

UhciGetEndpointState()

ULONG NTAPI UhciGetEndpointState	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint
	)

Definition at line 1840 of file usbuhci.c.

{
    DPRINT_IMPL("UhciGetEndpointState: UNIMPLEMENTED. FIXME\n");
    return 0;
}

Referenced by DriverEntry().

UhciGetEndpointStatus()

ULONG NTAPI UhciGetEndpointStatus	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint
	)

Definition at line 2014 of file usbuhci.c.

{
    PUHCI_ENDPOINT UhciEndpoint = uhciEndpoint;
    ULONG EndpointStatus;
 
    DPRINT_UHCI("UhciGetEndpointStatus: ...\n");
 
    if (UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_HALTED)
        EndpointStatus = USBPORT_ENDPOINT_HALT;
    else
        EndpointStatus = USBPORT_ENDPOINT_RUN;
 
    return EndpointStatus;
}

Referenced by DriverEntry().

UhciGetErrorFromTD()

USBD_STATUS NTAPI UhciGetErrorFromTD	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_HCD_TD	TD
	)

Definition at line 1529 of file usbuhci.c.

{
    USBD_STATUS USBDStatus;
    UCHAR TdStatus;
 
    //DPRINT("UhciGetErrorFromTD: ...\n");
 
    TdStatus = TD->HwTD.ControlStatus.Status;
 
    if (TdStatus == UHCI_TD_STS_ACTIVE)
    {
        if (TD->HwTD.Token.MaximumLength == UHCI_TD_LENGTH_NULL)
            return USBD_STATUS_SUCCESS;
 
        if (TD->HwTD.ControlStatus.ActualLength + 1 >=
            TD->HwTD.Token.MaximumLength + 1)
        {
            return USBD_STATUS_SUCCESS;
        }
 
        if (TD->HwTD.ControlStatus.InterruptOnComplete == 1)
            return USBD_STATUS_SUCCESS;
 
        return USBD_STATUS_ERROR_SHORT_TRANSFER;
    }
 
    if (TdStatus & UHCI_TD_STS_BABBLE_DETECTED &&
        TdStatus & UHCI_TD_STS_STALLED)
    {
        DPRINT1("UhciGetErrorFromTD: USBD_STATUS_BUFFER_OVERRUN, TD - %p\n", TD);
        return USBD_STATUS_BUFFER_OVERRUN;
    }
 
    if (TdStatus & UHCI_TD_STS_TIMEOUT_CRC_ERROR &&
        TdStatus & UHCI_TD_STS_STALLED)
    {
        DPRINT1("UhciGetErrorFromTD: USBD_STATUS_DEV_NOT_RESPONDING, TD - %p\n", TD);
        return USBD_STATUS_DEV_NOT_RESPONDING;
    }
 
    if (TdStatus & UHCI_TD_STS_TIMEOUT_CRC_ERROR)
    {
        if (TD->HwTD.ControlStatus.ActualLength == UHCI_TD_LENGTH_NULL)
        {
            DPRINT1("UhciGetErrorFromTD: USBD_STATUS_DEV_NOT_RESPONDING, TD - %p\n", TD);
            return USBD_STATUS_DEV_NOT_RESPONDING;
        }
        else
        {
            DPRINT1("UhciGetErrorFromTD: USBD_STATUS_CRC, TD - %p\n", TD);
            return USBD_STATUS_CRC;
        }
    }
    else if (TdStatus & UHCI_TD_STS_DATA_BUFFER_ERROR)
    {
        DPRINT1("UhciGetErrorFromTD: USBD_STATUS_DATA_OVERRUN, TD - %p\n", TD);
        USBDStatus = USBD_STATUS_DATA_OVERRUN;
    }
    else if (TdStatus & UHCI_TD_STS_STALLED)
    {
        DPRINT1("UhciGetErrorFromTD: USBD_STATUS_STALL_PID, TD - %p\n", TD);
        USBDStatus = USBD_STATUS_STALL_PID;
    }
    else
    {
        DPRINT1("UhciGetErrorFromTD: USBD_STATUS_INTERNAL_HC_ERROR, TD - %p\n", TD);
        USBDStatus = USBD_STATUS_INTERNAL_HC_ERROR;
    }
 
    return USBDStatus;
}

Referenced by UhciProcessDoneNonIsoTD().

UhciHardwarePresent()

BOOLEAN NTAPI UhciHardwarePresent

(

IN PUHCI_EXTENSION

UhciExtension

)

Definition at line 792 of file usbuhci.c.

{
    UHCI_USB_STATUS UhciStatus;
    PUSHORT StatusReg;
 
    StatusReg = &UhciExtension->BaseRegister->HcStatus.AsUSHORT;
    UhciStatus.AsUSHORT = READ_PORT_USHORT(StatusReg);
 
    if (UhciStatus.AsUSHORT == MAXUSHORT)
        DPRINT_UHCI("UhciHardwarePresent: HW not present\n");
 
    return UhciStatus.AsUSHORT != MAXUSHORT;
}

Referenced by UhciCheckController(), UhciInterruptService(), and UhciRHPortResetComplete().

UhciInitializeHardware()

MPSTATUS NTAPI UhciInitializeHardware

(

IN PUHCI_EXTENSION

UhciExtension

)

Definition at line 457 of file usbuhci.c.

{
    PUHCI_HW_REGISTERS BaseRegister;
    UHCI_USB_COMMAND Command;
    UHCI_USB_STATUS StatusMask;
 
    DPRINT("UhciInitializeHardware: UhciExtension - %p\n", UhciExtension);
    DPRINT("UhciInitializeHardware: VIA HW FIXME\n"); // after supporting HcFlavor in usbport
 
    BaseRegister = UhciExtension->BaseRegister;
 
    /* Save SOF Timing Value */
    UhciExtension->SOF_Modify = READ_PORT_UCHAR(&BaseRegister->SOF_Modify);
 
    RegPacket.UsbPortWait(UhciExtension, 20);
 
    Command.AsUSHORT = READ_PORT_USHORT(&BaseRegister->HcCommand.AsUSHORT);
 
    /* Global Reset */
    Command.AsUSHORT = 0;
    Command.GlobalReset = 1;
    WRITE_PORT_USHORT(&BaseRegister->HcCommand.AsUSHORT, Command.AsUSHORT);
 
    RegPacket.UsbPortWait(UhciExtension, 20);
 
    Command.AsUSHORT = 0;
    WRITE_PORT_USHORT(&BaseRegister->HcCommand.AsUSHORT, Command.AsUSHORT);
 
    /* Set MaxPacket for full speed bandwidth reclamation */
    Command.AsUSHORT = 0;
    Command.MaxPacket = 1; // 64 bytes
    WRITE_PORT_USHORT(&BaseRegister->HcCommand.AsUSHORT, Command.AsUSHORT);
 
    /* Restore SOF Timing Value */
    WRITE_PORT_UCHAR(&BaseRegister->SOF_Modify, UhciExtension->SOF_Modify);
 
    StatusMask = UhciExtension->StatusMask;
 
    StatusMask.Interrupt = 1;
    StatusMask.ErrorInterrupt = 1;
    StatusMask.ResumeDetect = 1;
    StatusMask.HostSystemError = 1;
 
    UhciExtension->StatusMask = StatusMask;
 
    return MP_STATUS_SUCCESS;
}

Referenced by UhciStartController().

UhciInitializeSchedule()

MPSTATUS NTAPI UhciInitializeSchedule	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_HC_RESOURCES	HcResourcesVA,
		IN ULONG	hcResourcesPA
	)

Definition at line 507 of file usbuhci.c.

{
    PUHCI_HCD_QH IntQH;
    ULONG IntQhPA;
    PUHCI_HCD_QH StaticControlHead;
    ULONG StaticControlHeadPA;
    PUHCI_HCD_QH StaticBulkHead;
    ULONG StaticBulkHeadPA;
    PUHCI_HCD_TD StaticBulkTD;
    ULONG StaticBulkTdPA;
    PUHCI_HCD_TD StaticTD;
    ULONG StaticTdPA;
    PUHCI_HCD_TD StaticSofTD;
    ULONG StaticSofTdPA;
    ULONG PhysicalAddress;
    ULONG Idx;
    ULONG HeadIdx;
    UCHAR FrameIdx;
 
    DPRINT("UhciInitializeSchedule: Ext[%p], VA - %p, PA - %lx\n",
           UhciExtension,
           HcResourcesVA,
           hcResourcesPA);
 
    /* Build structure (tree) of static QHs
       for interrupt and isochronous transfers */
    for (FrameIdx = 0; FrameIdx < INTERRUPT_ENDPOINTs; FrameIdx++)
    {
        IntQH = &HcResourcesVA->StaticIntHead[FrameIdx];
        IntQhPA = hcResourcesPA + FIELD_OFFSET(UHCI_HC_RESOURCES, StaticIntHead[FrameIdx]);
 
        RtlZeroMemory(IntQH, sizeof(UHCI_HCD_QH));
 
        IntQH->HwQH.NextElement |= UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
        IntQH->PhysicalAddress = IntQhPA;
 
        UhciExtension->IntQH[FrameIdx] = IntQH;
 
        if (FrameIdx == 0)
            UhciSetNextQH(IntQH, UhciExtension->IntQH[0]);
        else
            UhciSetNextQH(IntQH, UhciExtension->IntQH[(FrameIdx - 1) / 2]);
    }
 
    /* Initialize static QH for control transfers */
    StaticControlHead = &HcResourcesVA->StaticControlHead;
    StaticControlHeadPA = hcResourcesPA + FIELD_OFFSET(UHCI_HC_RESOURCES, StaticControlHead);
 
    RtlZeroMemory(StaticControlHead, sizeof(UHCI_HCD_QH));
 
    StaticControlHead->HwQH.NextElement |= UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
    StaticControlHead->PhysicalAddress = StaticControlHeadPA;
 
    UhciSetNextQH(UhciExtension->IntQH[0],StaticControlHead);
 
    UhciExtension->ControlQH = StaticControlHead;
 
    /* Initialize static QH for bulk transfers */
    StaticBulkHead = &HcResourcesVA->StaticBulkHead;
    StaticBulkHeadPA = hcResourcesPA + FIELD_OFFSET(UHCI_HC_RESOURCES, StaticBulkHead);
 
    RtlZeroMemory(StaticBulkHead, sizeof(UHCI_HCD_QH));
 
    StaticBulkHead->PhysicalAddress = StaticBulkHeadPA;
    PhysicalAddress = StaticBulkHeadPA | UHCI_QH_ELEMENT_LINK_PTR_QH;
    PhysicalAddress |= UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
    StaticBulkHead->HwQH.NextQH = PhysicalAddress;
 
    UhciSetNextQH(StaticControlHead, StaticBulkHead);
 
    UhciExtension->BulkQH = StaticBulkHead;
    UhciExtension->BulkTailQH = StaticBulkHead;
 
    /* Initialize static TD for bulk transfers */
    StaticBulkTD = &HcResourcesVA->StaticBulkTD;
    StaticBulkTdPA = hcResourcesPA + FIELD_OFFSET(UHCI_HC_RESOURCES, StaticBulkTD);
 
    StaticBulkTD->HwTD.NextElement = StaticBulkTdPA | UHCI_TD_LINK_PTR_TD;
 
    StaticBulkTD->HwTD.ControlStatus.AsULONG = 0;
    StaticBulkTD->HwTD.ControlStatus.IsochronousType = 1;
 
    StaticBulkTD->HwTD.Token.AsULONG = 0;
    StaticBulkTD->HwTD.Token.Endpoint = 1;
    StaticBulkTD->HwTD.Token.MaximumLength = UHCI_TD_LENGTH_NULL;
    StaticBulkTD->HwTD.Token.PIDCode = UHCI_TD_PID_OUT;
 
    StaticBulkTD->HwTD.Buffer = 0;
 
    StaticBulkTD->PhysicalAddress = StaticBulkTdPA;
    StaticBulkTD->NextHcdTD = NULL;
    StaticBulkTD->Flags = UHCI_HCD_TD_FLAG_PROCESSED;
 
    PhysicalAddress = StaticBulkTdPA | UHCI_QH_ELEMENT_LINK_PTR_TD;
    UhciExtension->BulkQH->HwQH.NextElement = PhysicalAddress;
 
    /* Set Frame List pointers */
    for (Idx = 0; Idx < UHCI_FRAME_LIST_MAX_ENTRIES; Idx++)
    {
        HeadIdx = (INTERRUPT_ENDPOINTs - ENDPOINT_INTERRUPT_32ms) +
                  (Idx & (ENDPOINT_INTERRUPT_32ms - 1));
 
        PhysicalAddress = UhciExtension->IntQH[HeadIdx]->PhysicalAddress;
        PhysicalAddress |= UHCI_FRAME_LIST_POINTER_QH;
        HcResourcesVA->FrameList[Idx] = PhysicalAddress;
    }
 
    /* Initialize static TD for first frame */
    StaticTD = &HcResourcesVA->StaticTD;
    StaticTdPA = hcResourcesPA + FIELD_OFFSET(UHCI_HC_RESOURCES, StaticTD);
 
    RtlZeroMemory(StaticTD, sizeof(UHCI_HCD_TD));
 
    StaticTD->PhysicalAddress = StaticTdPA;
 
    HeadIdx = (INTERRUPT_ENDPOINTs - ENDPOINT_INTERRUPT_32ms);
    PhysicalAddress = UhciExtension->IntQH[HeadIdx]->PhysicalAddress;
    StaticTD->HwTD.NextElement = PhysicalAddress | UHCI_TD_LINK_PTR_QH;
 
    StaticTD->HwTD.ControlStatus.InterruptOnComplete = 1;
    StaticTD->HwTD.Token.PIDCode = UHCI_TD_PID_IN;
 
    UhciExtension->StaticTD = StaticTD;
 
    /* Initialize StaticSofTDs for UhciInterruptNextSOF() */
    UhciExtension->SOF_HcdTDs = &HcResourcesVA->StaticSofTD[0];
    StaticSofTdPA = hcResourcesPA + FIELD_OFFSET(UHCI_HC_RESOURCES, StaticSofTD[0]);
 
    for (Idx = 0; Idx < UHCI_MAX_STATIC_SOF_TDS; Idx++)
    {
        StaticSofTD = UhciExtension->SOF_HcdTDs + Idx;
 
        RtlZeroMemory(StaticSofTD, sizeof(UHCI_HCD_TD));
 
        PhysicalAddress = UhciExtension->IntQH[HeadIdx]->PhysicalAddress;
        StaticSofTD->HwTD.NextElement = PhysicalAddress | UHCI_TD_LINK_PTR_QH;
 
        StaticSofTD->HwTD.ControlStatus.InterruptOnComplete = 1;
        StaticSofTD->PhysicalAddress = StaticSofTdPA;
 
        StaticSofTdPA += sizeof(UHCI_HCD_TD);
    }
 
    return MP_STATUS_SUCCESS;
}

Referenced by UhciStartController().

UhciInsertQH()

VOID NTAPI UhciInsertQH	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_HCD_QH	StaticQH,
		IN PUHCI_HCD_QH	QH
	)

Definition at line 1849 of file usbuhci.c.

{
    PUHCI_HCD_QH NextHcdQH;
 
    DPRINT("UhciInsertQH: UhciExtension - %p, StaticQH - %p, QH - %p\n", UhciExtension, StaticQH, QH);
 
    QH->HwQH.NextQH = StaticQH->HwQH.NextQH;
    NextHcdQH = StaticQH->NextHcdQH;
 
    QH->PrevHcdQH = StaticQH;
    QH->NextHcdQH = NextHcdQH;
 
    if (NextHcdQH)
        NextHcdQH->PrevHcdQH = QH;
    else
        UhciExtension->BulkTailQH = QH;
 
    StaticQH->HwQH.NextQH = QH->PhysicalAddress | UHCI_QH_HEAD_LINK_PTR_QH;
    StaticQH->NextHcdQH = QH;
 
    QH->QhFlags |= UHCI_HCD_QH_FLAG_ACTIVE;
}

Referenced by UhciSetEndpointState().

UhciInterruptDpc()

VOID NTAPI UhciInterruptDpc	(	IN PVOID	uhciExtension,
		IN BOOLEAN	IsDoEnableInterrupts
	)

Definition at line 943 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_HW_REGISTERS BaseRegister;
    UHCI_USB_STATUS HcStatus;
 
    DPRINT_UHCI("UhciInterruptDpc: [%p] EnableInt %x, HcStatus %X\n",
                uhciExtension, IsDoEnableInterrupts, UhciExtension->HcStatus);
 
    BaseRegister = UhciExtension->BaseRegister;
 
    HcStatus = UhciExtension->HcStatus;
    UhciExtension->HcStatus.AsUSHORT = 0;
 
    if ((HcStatus.Interrupt | HcStatus.ErrorInterrupt) != 0)
        RegPacket.UsbPortInvalidateEndpoint(UhciExtension, 0);
 
    if (IsDoEnableInterrupts)
    {
        WRITE_PORT_USHORT(&BaseRegister->HcInterruptEnable.AsUSHORT,
                          UhciExtension->StatusMask.AsUSHORT);
    }
}

Referenced by DriverEntry().

UhciInterruptNextSOF()

VOID NTAPI UhciInterruptNextSOF

(

IN PVOID

uhciExtension

)

Definition at line 2463 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_HC_RESOURCES UhciResources;
    ULONG CurrentFrame;
    PUHCI_HCD_TD SOF_HcdTDs;
    ULONG ix;
    ULONG NextFrame;
    ULONG SofFrame;
    ULONG Idx;
 
    DPRINT_UHCI("UhciInterruptNextSOF: ...\n");
 
    CurrentFrame = UhciGet32BitFrameNumber(UhciExtension);
 
    SOF_HcdTDs = UhciExtension->SOF_HcdTDs;
    NextFrame = CurrentFrame + 2;
 
    for (ix = 0; ix < UHCI_MAX_STATIC_SOF_TDS; ++ix)
    {
        SofFrame = SOF_HcdTDs->Frame;
 
        if (SofFrame == NextFrame)
            break;
 
        if (SofFrame < CurrentFrame)
        {
            SOF_HcdTDs->Frame = NextFrame;
            SOF_HcdTDs->Flags |= UHCI_HCD_TD_FLAG_GOOD_FRAME;
 
            /* Insert SOF_HcdTD (InterruptOnComplete = TRUE) in Frame List */
            UhciResources = UhciExtension->HcResourcesVA;
            Idx = SOF_HcdTDs->Frame & UHCI_FRAME_LIST_INDEX_MASK;
 
            InterlockedExchange((PLONG)&SOF_HcdTDs->HwTD.NextElement,
                                UhciResources->FrameList[Idx]);
 
            UhciResources->FrameList[Idx] = SOF_HcdTDs->PhysicalAddress;
            break;
        }
 
        /* Go to next SOF_HcdTD */
        SOF_HcdTDs += 1;
    }
 
    for (ix = 0; ix < UHCI_MAX_STATIC_SOF_TDS; ++ix)
    {
        SOF_HcdTDs = &UhciExtension->SOF_HcdTDs[ix];
 
        if (SOF_HcdTDs->Frame &&
            (SOF_HcdTDs->Frame < CurrentFrame ||
             (SOF_HcdTDs->Frame - CurrentFrame) > UHCI_FRAME_LIST_MAX_ENTRIES))
        {
            SOF_HcdTDs->Frame = 0;
        }
    }
}

Referenced by DriverEntry().

UhciInterruptService()

BOOLEAN NTAPI UhciInterruptService

(

IN PVOID

uhciExtension

)

Definition at line 808 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_HW_REGISTERS BaseRegister;
    PUSHORT CommandReg;
    UHCI_USB_COMMAND Command;
    PUSHORT StatusReg;
    UHCI_USB_STATUS HcStatus;
    PUSHORT InterruptEnableReg;
    PUHCI_HCD_QH QH;
    PUHCI_HCD_QH BulkTailQH;
    ULONG ScheduleError;
    BOOLEAN Result = FALSE;
 
    BaseRegister = UhciExtension->BaseRegister;
    StatusReg = &BaseRegister->HcStatus.AsUSHORT;
    InterruptEnableReg = &BaseRegister->HcInterruptEnable.AsUSHORT;
    CommandReg = &BaseRegister->HcCommand.AsUSHORT;
 
    if (!UhciHardwarePresent(UhciExtension))
    {
        DPRINT1("UhciInterruptService: return FALSE\n");
        return FALSE;
    }
 
    HcStatus.AsUSHORT = READ_PORT_USHORT(StatusReg) & UHCI_USB_STATUS_MASK;
 
    if (HcStatus.HostSystemError || HcStatus.HcProcessError)
    {
        DPRINT1("UhciInterruptService: Error [%p] HcStatus %X\n",
                UhciExtension,
                HcStatus.AsUSHORT);
    }
    else if (HcStatus.AsUSHORT)
    {
        UhciExtension->HcScheduleError = 0;
    }
 
    if (HcStatus.HcProcessError)
    {
        USHORT fn = READ_PORT_USHORT(&BaseRegister->FrameNumber);
        USHORT intr = READ_PORT_USHORT(InterruptEnableReg);
        USHORT cmd = READ_PORT_USHORT(CommandReg);
 
        DPRINT1("UhciInterruptService: HC ProcessError!\n");
        DPRINT1("UhciExtension %p, frame %X\n", UhciExtension, fn);
        DPRINT1("HcCommand %X\n", cmd);
        DPRINT1("HcStatus %X\n", HcStatus.AsUSHORT);
        DPRINT1("HcInterruptEnable %X\n", intr);
 
        DbgBreakPoint();
    }
 
    if (HcStatus.HcHalted)
    {
        DPRINT_UHCI("UhciInterruptService: Hc Halted [%p] HcStatus %X\n",
                    UhciExtension,
                    HcStatus.AsUSHORT);
    }
    else if (HcStatus.AsUSHORT)
    {
        UhciExtension->HcStatus.AsUSHORT = HcStatus.AsUSHORT;
 
        WRITE_PORT_USHORT(StatusReg, HcStatus.AsUSHORT);
        WRITE_PORT_USHORT(InterruptEnableReg, 0);
 
        if (HcStatus.HostSystemError)
        {
            DPRINT1("UhciInterruptService: HostSystemError! HcStatus - %X\n",
                    HcStatus.AsUSHORT);
 
            DbgBreakPoint();
        }
 
        Result = TRUE;
    }
 
    if (!HcStatus.Interrupt)
        goto NextProcess;
 
    UhciUpdateCounter(UhciExtension);
 
    BulkTailQH = UhciExtension->BulkTailQH;
 
    if (BulkTailQH->HwQH.NextQH & UHCI_QH_HEAD_LINK_PTR_TERMINATE)
        goto NextProcess;
 
    QH = UhciExtension->BulkQH;
 
    do
    {
        QH = QH->NextHcdQH;
 
        if (!QH)
        {
            BulkTailQH->HwQH.NextQH |= UHCI_QH_HEAD_LINK_PTR_TERMINATE;
            goto NextProcess;
        }
    }
    while (QH->HwQH.NextElement & UHCI_QH_ELEMENT_LINK_PTR_TERMINATE);
 
NextProcess:
 
    if (HcStatus.HcProcessError)
    {
        UhciCleanupFrameList(UhciExtension, TRUE);
 
        ScheduleError = UhciExtension->HcScheduleError;
        UhciExtension->HcScheduleError = ScheduleError + 1;
 
        DPRINT1("UhciInterruptService: [%p] ScheduleError %X\n",
                UhciExtension,
                ScheduleError);
 
        if (ScheduleError < UHCI_MAX_HC_SCHEDULE_ERRORS)
        {
            Command.AsUSHORT = READ_PORT_USHORT(CommandReg);
            Command.Run = 1;
            WRITE_PORT_USHORT(CommandReg, Command.AsUSHORT);
        }
    }
    else if (HcStatus.Interrupt && UhciExtension->ExtensionLock)
    {
        DPRINT1("UhciInterruptService: [%p] HcStatus %X\n",
                UhciExtension,
                HcStatus.AsUSHORT);
 
        UhciCleanupFrameList(UhciExtension, FALSE);
    }
 
    return Result;
}

Referenced by DriverEntry().

UhciIsochTransfer()

MPSTATUS NTAPI UhciIsochTransfer	(	IN PVOID	ehciExtension,
		IN PVOID	ehciEndpoint,
		IN PUSBPORT_TRANSFER_PARAMETERS	TransferParameters,
		IN PVOID	ehciTransfer,
		IN PVOID	isoParameters
	)

Definition at line 1678 of file usbuhci.c.

{
    DPRINT_IMPL("UhciIsochTransfer: UNIMPLEMENTED. FIXME\n");
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciMapAsyncTransferToTDs()

VOID NTAPI UhciMapAsyncTransferToTDs	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint,
		IN PUHCI_TRANSFER	UhciTransfer,
		OUT PUHCI_HCD_TD *	OutFirstTD,
		OUT PUHCI_HCD_TD *	OutLastTD,
		IN PUSBPORT_SCATTER_GATHER_LIST	SgList
	)

Definition at line 1082 of file usbuhci.c.

{
    PUHCI_HCD_TD TD;
    PUHCI_HCD_TD LastTD = NULL;
    ULONG PhysicalAddress;
    USHORT TotalMaxPacketSize;
    USHORT DeviceSpeed;
    USHORT EndpointAddress;
    USHORT DeviceAddress;
    ULONG TransferType;
    SIZE_T TransferLength = 0;
    SIZE_T LengthMapped = 0;
    SIZE_T BytesRemaining;
    SIZE_T LengthThisTD;
    ULONG ix;
    BOOL DataToggle;
    UCHAR PIDCode;
    BOOLEAN IsLastTd = TRUE;
    BOOLEAN ZeroLengthTransfer = TRUE;
 
    DPRINT_UHCI("UhciMapAsyncTransferToTDs: ...\n");
 
    TotalMaxPacketSize = UhciEndpoint->EndpointProperties.TotalMaxPacketSize;
    DeviceSpeed = UhciEndpoint->EndpointProperties.DeviceSpeed;
    EndpointAddress = UhciEndpoint->EndpointProperties.EndpointAddress;
    DeviceAddress = UhciEndpoint->EndpointProperties.DeviceAddress;
    TransferType = UhciEndpoint->EndpointProperties.TransferType;
 
    if (SgList->SgElementCount || TransferType == USBPORT_TRANSFER_TYPE_CONTROL)
        ZeroLengthTransfer = FALSE;
 
    if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL)
    {
        if (UhciTransfer->TransferParameters->TransferFlags &
            USBD_TRANSFER_DIRECTION_IN)
        {
            PIDCode = UHCI_TD_PID_IN;
        }
        else
        {
            PIDCode = UHCI_TD_PID_OUT;
        }
 
        DataToggle = UHCI_TD_PID_DATA1;
    }
    else
    {
        if (USB_ENDPOINT_DIRECTION_OUT(EndpointAddress))
            PIDCode = UHCI_TD_PID_OUT;
        else
            PIDCode = UHCI_TD_PID_IN;
 
        DataToggle = UhciEndpoint->DataToggle;
    }
 
    for (ix = 0; ix < SgList->SgElementCount || ZeroLengthTransfer; ix++)
    {
        BytesRemaining = SgList->SgElement[ix].SgTransferLength;
        PhysicalAddress = SgList->SgElement[ix].SgPhysicalAddress.LowPart;
 
        if (!IsLastTd)
        {
            PhysicalAddress += TransferLength;
            BytesRemaining -= TransferLength;
        }
 
        IsLastTd = TRUE;
        TransferLength = 0;
 
        while (BytesRemaining || ZeroLengthTransfer)
        {
            ZeroLengthTransfer = FALSE;
 
            if (BytesRemaining >= TotalMaxPacketSize)
            {
                LengthThisTD = TotalMaxPacketSize;
                BytesRemaining -= TotalMaxPacketSize;
            }
            else
            {
                if (ix >= SgList->SgElementCount - 1)
                {
                    LengthThisTD = BytesRemaining;
                }
                else
                {
                    IsLastTd = FALSE;
 
                    DPRINT1("UhciMapAsyncTransferToTds: IsLastTd = FALSE. FIXME\n");
                    ASSERT(FALSE);
                }
 
                BytesRemaining = 0;
            }
 
            UhciTransfer->PendingTds++;
            TD = UhciAllocateTD(UhciExtension, UhciEndpoint);
            TD->Flags |= UHCI_HCD_TD_FLAG_PROCESSED;
 
            TD->HwTD.NextElement = 0;
            TD->HwTD.Buffer = PhysicalAddress;
 
            TD->HwTD.ControlStatus.AsULONG = 0;
            TD->HwTD.ControlStatus.LowSpeedDevice = (DeviceSpeed == UsbLowSpeed);
            TD->HwTD.ControlStatus.Status = UHCI_TD_STS_ACTIVE;
            TD->HwTD.ControlStatus.ErrorCounter = 3;
            TD->HwTD.ControlStatus.ActualLength = UHCI_TD_LENGTH_NULL;
            TD->HwTD.ControlStatus.ShortPacketDetect = 1;
 
            TD->HwTD.Token.AsULONG = 0;
            TD->HwTD.Token.Endpoint = EndpointAddress;
            TD->HwTD.Token.DeviceAddress = DeviceAddress;
            TD->HwTD.Token.PIDCode = PIDCode;
 
            if (LengthThisTD == 0)
                TD->HwTD.Token.MaximumLength = UHCI_TD_LENGTH_NULL;
            else
                TD->HwTD.Token.MaximumLength = LengthThisTD - 1;
 
            TD->HwTD.Token.DataToggle = (DataToggle == UHCI_TD_PID_DATA1);
 
            TD->NextHcdTD = 0;
            TD->UhciTransfer = UhciTransfer;
 
            if (!IsLastTd)
                ASSERT(FALSE);
 
            PhysicalAddress += LengthThisTD;
            LengthMapped += LengthThisTD;
 
            if (LastTD)
            {
                LastTD->HwTD.NextElement = TD->PhysicalAddress &
                                           UHCI_TD_LINK_POINTER_MASK;
                LastTD->NextHcdTD = TD;
            }
            else
            {
                *OutFirstTD = TD;
            }
 
            LastTD = TD;
            DataToggle = DataToggle == UHCI_TD_PID_DATA0;
        }
    }
 
    UhciEndpoint->DataToggle = DataToggle;
 
    *OutLastTD = LastTD;
}

Referenced by UhciBulkOrInterruptTransfer(), and UhciControlTransfer().

UhciOpenEndpoint()

MPSTATUS NTAPI UhciOpenEndpoint	(	IN PVOID	uhciExtension,
		IN PUSBPORT_ENDPOINT_PROPERTIES	EndpointProperties,
		IN PVOID	uhciEndpoint
	)

Definition at line 187 of file usbuhci.c.

{
    PUHCI_ENDPOINT UhciEndpoint = uhciEndpoint;
    ULONG TransferType;
    ULONG_PTR BufferVA;
    ULONG BufferPA;
    ULONG ix;
    ULONG TdCount;
    PUHCI_HCD_TD TD;
    SIZE_T BufferLength;
    PUHCI_HCD_QH QH;
 
    RtlCopyMemory(&UhciEndpoint->EndpointProperties,
                  EndpointProperties,
                  sizeof(UhciEndpoint->EndpointProperties));
 
    InitializeListHead(&UhciEndpoint->ListTDs);
 
    UhciEndpoint->EndpointLock = 0;
    UhciEndpoint->DataToggle = UHCI_TD_PID_DATA0;
    UhciEndpoint->Flags = 0;
 
    TransferType = EndpointProperties->TransferType;
 
    DPRINT("UhciOpenEndpoint: UhciEndpoint - %p, TransferType - %x\n",
           UhciEndpoint,
           TransferType);
 
    if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL ||
        TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
    {
        UhciEndpoint->Flags |= UHCI_ENDPOINT_FLAG_CONTROL_OR_ISO;
    }
 
    BufferVA = EndpointProperties->BufferVA;
    BufferPA = EndpointProperties->BufferPA;
 
    BufferLength = EndpointProperties->BufferLength;
 
    /* For Isochronous transfers not used QHs (only TDs) */
    if (EndpointProperties->TransferType != USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
    {
        /* Initialize HCD Queue Head */
        UhciEndpoint->QH = (PUHCI_HCD_QH)BufferVA;
 
        QH = UhciEndpoint->QH;
 
        QH->HwQH.NextElement |= UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
        QH->PhysicalAddress = BufferPA;
 
        QH->NextHcdQH = QH;
        QH->PrevHcdQH = QH;
        QH->UhciEndpoint = UhciEndpoint;
 
        BufferVA += sizeof(UHCI_HCD_QH);
        BufferPA += sizeof(UHCI_HCD_QH);
 
        BufferLength -= sizeof(UHCI_HCD_QH);
    }
 
    /* Initialize HCD Transfer Descriptors */
    TdCount = BufferLength / sizeof(UHCI_HCD_TD);
    UhciEndpoint->MaxTDs = TdCount;
 
    UhciEndpoint->FirstTD = (PUHCI_HCD_TD)BufferVA;
    UhciEndpoint->AllocatedTDs = 0;
 
    RtlZeroMemory(UhciEndpoint->FirstTD, TdCount * sizeof(UHCI_HCD_TD));
 
    for (ix = 0; ix < UhciEndpoint->MaxTDs; ix++)
    {
        TD = &UhciEndpoint->FirstTD[ix];
        TD->PhysicalAddress = BufferPA;
        BufferPA += sizeof(UHCI_HCD_TD);
    }
 
    UhciEndpoint->TailTD = NULL;
    UhciEndpoint->HeadTD = NULL;
 
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciPassThru()

MPSTATUS NTAPI UhciPassThru	(	IN PVOID	uhciExtension,
		IN PVOID	passThruParameters,
		IN ULONG	ParameterLength,
		IN PVOID	pParameters
	)

Definition at line 2663 of file usbuhci.c.

{
    DPRINT_IMPL("UhciPassThru: UNIMPLEMENTED. FIXME\n");
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciPollController()

VOID NTAPI UhciPollController

(

IN PVOID

uhciExtension

)

Definition at line 2585 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_HW_REGISTERS BaseRegister;
    PUSHORT PortRegister;
    UHCI_PORT_STATUS_CONTROL PortControl;
    USHORT Port;
 
    DPRINT_UHCI("UhciPollController: UhciExtension - %p\n", UhciExtension);
 
    BaseRegister = UhciExtension->BaseRegister;
 
    if (!(UhciExtension->Flags & UHCI_EXTENSION_FLAG_SUSPENDED))
    {
        UhciCleanupFrameList(UhciExtension, FALSE);
        UhciUpdateCounter(UhciExtension);
        RegPacket.UsbPortInvalidateRootHub(UhciExtension);
        return;
    }
 
    for (Port = 0; Port < UHCI_NUM_ROOT_HUB_PORTS; Port++)
    {
        PortRegister = (PUSHORT)&BaseRegister->PortControl[Port];
        PortControl.AsUSHORT = READ_PORT_USHORT(PortRegister);
 
        if (PortControl.ConnectStatusChange == 1)
            RegPacket.UsbPortInvalidateRootHub(UhciExtension);
    }
}

Referenced by DriverEntry().

UhciPollEndpoint()

VOID NTAPI UhciPollEndpoint	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint
	)

Definition at line 2397 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_ENDPOINT UhciEndpoint = uhciEndpoint;
    ULONG TransferType;
 
    DPRINT_UHCI("UhciPollEndpoint: ...\n");
 
    TransferType = UhciEndpoint->EndpointProperties.TransferType;
 
    if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
    {
        UhciPollIsoEndpoint(UhciExtension, UhciEndpoint);
        return;
    }
 
    if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL ||
        TransferType == USBPORT_TRANSFER_TYPE_BULK ||
        TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
    {
        UhciPollNonIsoEndpoint(UhciExtension, UhciEndpoint);
    }
}

Referenced by DriverEntry().

UhciPollIsoEndpoint()

VOID NTAPI UhciPollIsoEndpoint	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint
	)

Definition at line 2069 of file usbuhci.c.

{
    DPRINT_IMPL("UhciPollIsoEndpoint: UNIMPLEMENTED. FIXME\n");
}

Referenced by UhciPollEndpoint().

UhciPollNonIsoEndpoint()

VOID NTAPI UhciPollNonIsoEndpoint	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint
	)

Definition at line 2077 of file usbuhci.c.

{
    PUHCI_HCD_QH QH;
    PUHCI_HCD_TD NextTD;
    PUHCI_HCD_TD TD;
    ULONG NextTdPA;
    ULONG PhysicalAddress;
    SIZE_T TransferedLen;
    PLIST_ENTRY ListTDs;
    UCHAR TdStatus;
 
    DPRINT_UHCI("UhciPollNonIsoEndpoint: UhciExtension - %p, UhciEndpoint - %p\n",
                UhciExtension,
                UhciEndpoint);
 
    if (UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_HALTED)
    {
        DPRINT("UhciPollNonIsoEndpoint: Ep->Flags & UHCI_ENDPOINT_FLAG_HALTED \n");
        return;
    }
 
    QH = UhciEndpoint->QH;
 
    NextTdPA = QH->HwQH.NextElement & UHCI_QH_ELEMENT_LINK_POINTER_MASK;
 
    if (NextTdPA)
    {
        NextTD = RegPacket.UsbPortGetMappedVirtualAddress(NextTdPA,
                                                          UhciExtension,
                                                          UhciEndpoint);
    }
    else
    {
        NextTD = NULL;
    }
 
    DPRINT_UHCI("UhciPollNonIsoEndpoint: NextTD - %p, NextTdPA - %p\n",
                NextTD,
                NextTdPA);
 
    for (TD = UhciEndpoint->HeadTD; TD != NextTD && TD != NULL; TD = TD->NextHcdTD)
    {
        DPRINT_UHCI("UhciPollNonIsoEndpoint: TD - %p, TD->NextHcdTD - %p\n",
                    TD,
                    TD->NextHcdTD);
 
        TD->Flags |= UHCI_HCD_TD_FLAG_DONE;
        InsertTailList(&UhciEndpoint->ListTDs, &TD->TdLink);
 
        if (TD->NextHcdTD &&
            TD->NextHcdTD->HwTD.ControlStatus.Status & UHCI_TD_STS_ACTIVE)
        {
            if (NextTdPA == 0)
            {
                TD = TD->NextHcdTD;
                goto EnqueueTD;
            }
 
            if (NextTdPA != TD->NextHcdTD->PhysicalAddress)
            {
                DPRINT("UhciPollNonIsoEndpoint: TD->NextHcdTD->PhysicalAddress - %p\n",
                       TD->NextHcdTD->PhysicalAddress);
                ASSERT(FALSE);
            }
        }
        else
        {
            if (TD->NextHcdTD == NULL)
            {
                DPRINT_UHCI("UhciPollNonIsoEndpoint: TD->NextHcdTD == NULL\n");
            }
            else
            {
                DPRINT_UHCI("UhciPollNonIsoEndpoint: ControlStatus - %X\n",
                            TD->NextHcdTD->HwTD.ControlStatus.AsULONG);
            }
        }
    }
 
    UhciEndpoint->HeadTD = NextTD;
 
    if (NextTD == NULL)
    {
        DPRINT_UHCI("UhciPollNonIsoEndpoint: NextTD == NULL\n");
 
        UhciEndpoint->HeadTD = NULL;
        UhciEndpoint->TailTD = NULL;
 
        QH->HwQH.NextElement = UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
 
        goto ProcessListTDs;
    }
 
    DPRINT_UHCI("UhciPollNonIsoEndpoint: NextTD - %p, NextTdPA - %p\n",
                NextTD,
                NextTdPA);
 
    TdStatus = NextTD->HwTD.ControlStatus.Status;
 
    if (TdStatus & UHCI_TD_STS_ACTIVE)
    {
        DPRINT_UHCI("UhciPollNonIsoEndpoint: UHCI_TD_STS_ACTIVE \n");
        goto ProcessListTDs;
    }
 
    if (NextTD->HwTD.Token.PIDCode == UHCI_TD_PID_IN &&
        TdStatus & UHCI_TD_STS_STALLED &&
        TdStatus & UHCI_TD_STS_TIMEOUT_CRC_ERROR &&
        !(TdStatus & UHCI_TD_STS_NAK_RECEIVED) &&
        !(TdStatus & UHCI_TD_STS_BABBLE_DETECTED) &&
        !(TdStatus & UHCI_TD_STS_BITSTUFF_ERROR))
    {
        DPRINT("UhciPollNonIsoEndpoint: USBD_STATUS_DEV_NOT_RESPONDING\n");
 
        UhciDumpHcdTD(NextTD);
 
        if (!(NextTD->Flags & UHCI_HCD_TD_FLAG_STALLED_SETUP))
        {
            NextTD->HwTD.ControlStatus.ErrorCounter = 3;
 
            NextTD->HwTD.ControlStatus.Status &= ~(UHCI_TD_STS_STALLED |
                                                   UHCI_TD_STS_TIMEOUT_CRC_ERROR);
 
            NextTD->HwTD.ControlStatus.Status |= UHCI_TD_STS_ACTIVE;
 
            NextTD->Flags = NextTD->Flags | UHCI_HCD_TD_FLAG_STALLED_SETUP;
 
            goto ProcessListTDs;
        }
    }
 
    if (TdStatus & (UHCI_TD_STS_STALLED |
                    UHCI_TD_STS_DATA_BUFFER_ERROR |
                    UHCI_TD_STS_BABBLE_DETECTED |
                    UHCI_TD_STS_TIMEOUT_CRC_ERROR |
                    UHCI_TD_STS_BITSTUFF_ERROR))
    {
        DPRINT("UhciPollNonIsoEndpoint: NextTD UHCI_TD_STS_ - %02X, PIDCode - %02X\n",
               NextTD->HwTD.ControlStatus.Status,
               NextTD->HwTD.Token.PIDCode);
 
        UhciDumpHcdTD(NextTD);
 
        UhciEndpoint->Flags |= UHCI_ENDPOINT_FLAG_HALTED;
        NextTD->Flags |= UHCI_HCD_TD_FLAG_DONE;
 
        InsertTailList(&UhciEndpoint->ListTDs, &NextTD->TdLink);
 
        if (TD->UhciTransfer != NextTD->UhciTransfer)
            ASSERT(TD->UhciTransfer == NextTD->UhciTransfer);
 
        while (TD &&
               TD->UhciTransfer->TransferParameters->TransferCounter ==
               NextTD->UhciTransfer->TransferParameters->TransferCounter)
        {
            DPRINT("UhciPollNonIsoEndpoint: Bad TD - %p\n", TD);
 
            if (!(TD->Flags & UHCI_HCD_TD_FLAG_DONE))
            {
                TD->Flags |= UHCI_HCD_TD_FLAG_DONE;
                TD->Flags |= UHCI_HCD_TD_FLAG_NOT_ACCESSED;
 
                InsertTailList(&UhciEndpoint->ListTDs, &TD->TdLink);
            }
 
            TD = TD->NextHcdTD;
        }
 
        if (UhciEndpoint->EndpointProperties.TransferType !=
            USBPORT_TRANSFER_TYPE_CONTROL)
        {
            UhciFixDataToggle(UhciExtension,
                              UhciEndpoint,
                              TD,
                              NextTD->HwTD.Token.DataToggle);
        }
    }
    else
    {
        TransferedLen = NextTD->HwTD.ControlStatus.ActualLength;
 
        if (TransferedLen == UHCI_TD_LENGTH_NULL)
            TransferedLen = 0;
        else
            TransferedLen += 1;
 
        if (NextTD->HwTD.Token.MaximumLength == UHCI_TD_LENGTH_NULL ||
            TransferedLen >= (NextTD->HwTD.Token.MaximumLength + 1))
        {
            DPRINT_UHCI("UhciPollNonIsoEndpoint: NextTD - %p, TransferedLen - %X\n",
                        NextTD,
                        TransferedLen);
 
            if (NextTdPA ==
                (QH->HwQH.NextElement & UHCI_QH_ELEMENT_LINK_POINTER_MASK))
            {
                NextTD->Flags |= UHCI_HCD_TD_FLAG_DONE;
                InsertTailList(&UhciEndpoint->ListTDs, &NextTD->TdLink);
 
                UhciEndpoint->HeadTD = NextTD->NextHcdTD;
 
                QH->HwQH.NextElement = NextTD->HwTD.NextElement;
                QH->HwQH.NextElement |= UHCI_QH_ELEMENT_LINK_PTR_TD;
 
                DPRINT_UHCI("UhciPollNonIsoEndpoint: NextTD - %p, TD - %p\n",
                            NextTD,
                            TD);
            }
 
            goto ProcessListTDs;
        }
 
        DPRINT_UHCI("UhciPollNonIsoEndpoint: ShortPacket. ControlStatus - %X\n",
                    NextTD->HwTD.ControlStatus.AsULONG);
 
        NextTD->Flags |= UHCI_HCD_TD_FLAG_DONE;
        InsertTailList(&UhciEndpoint->ListTDs, &NextTD->TdLink);
 
        while (TD &&
               TD->UhciTransfer->TransferParameters->TransferCounter ==
               NextTD->UhciTransfer->TransferParameters->TransferCounter)
        {
            if (TD->Flags & UHCI_HCD_TD_FLAG_CONTROLL &&
                NextTD->UhciTransfer->TransferParameters->TransferFlags &
                USBD_SHORT_TRANSFER_OK)
            {
                break;
            }
 
            if (!(TD->Flags & UHCI_HCD_TD_FLAG_DONE))
            {
                DPRINT_UHCI("UhciPollNonIsoEndpoint: TD - %p\n", TD);
 
                TD->Flags |= (UHCI_HCD_TD_FLAG_DONE |
                              UHCI_HCD_TD_FLAG_NOT_ACCESSED);
 
                InsertTailList(&UhciEndpoint->ListTDs, &TD->TdLink);
            }
 
            TD = TD->NextHcdTD;
        }
 
        if (NextTD->NextHcdTD &&
            (UhciEndpoint->EndpointProperties.TransferType !=
             USBPORT_TRANSFER_TYPE_CONTROL))
        {
            UhciFixDataToggle(UhciExtension,
                              UhciEndpoint,
                              TD,
                              NextTD->NextHcdTD->HwTD.Token.DataToggle);
        }
 
        if (!(NextTD->UhciTransfer->TransferParameters->TransferFlags &
              USBD_SHORT_TRANSFER_OK))
        {
            UhciEndpoint->Flags |= UHCI_ENDPOINT_FLAG_HALTED;
        }
    }
 
EnqueueTD:
 
    if (TD)
    {
        UhciEndpoint->HeadTD = TD;
    }
    else
    {
        UhciEndpoint->HeadTD = NULL;
        UhciEndpoint->TailTD = NULL;
    }
 
    if (TD == NULL || UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_HALTED)
    {
        PhysicalAddress = UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
    }
    else
    {
        PhysicalAddress = TD->PhysicalAddress;
        PhysicalAddress &= ~UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
    }
 
    DPRINT_UHCI("UhciPollNonIsoEndpoint: TD - %p\n", TD);
 
    QH->HwQH.NextElement = PhysicalAddress;
    QH->HwQH.NextElement &= ~UHCI_QH_ELEMENT_LINK_PTR_QH;
 
ProcessListTDs:
 
    ListTDs = &UhciEndpoint->ListTDs;
 
    while (!IsListEmpty(ListTDs))
    {
        TD = CONTAINING_RECORD(ListTDs->Flink,
                               UHCI_HCD_TD,
                               TdLink.Flink);
 
        RemoveHeadList(ListTDs);
 
        if ((TD->Flags & (UHCI_HCD_TD_FLAG_PROCESSED | UHCI_HCD_TD_FLAG_DONE)) ==
                         (UHCI_HCD_TD_FLAG_PROCESSED | UHCI_HCD_TD_FLAG_DONE))
        {
            UhciProcessDoneNonIsoTD(UhciExtension, TD);
        }
    }
 
    if (UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_CONTROL_OR_ISO &&
        UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_HALTED)
    {
        DPRINT_UHCI("UhciPollNonIsoEndpoint: Halted periodic EP - %p\n",
                    UhciEndpoint);
 
        UhciSetEndpointStatus(UhciExtension,
                              UhciEndpoint,
                              USBPORT_ENDPOINT_RUN);
    }
}

Referenced by UhciPollEndpoint().

UhciProcessDoneNonIsoTD()

VOID NTAPI UhciProcessDoneNonIsoTD	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_HCD_TD	TD
	)

Definition at line 1604 of file usbuhci.c.

{
    PUSBPORT_TRANSFER_PARAMETERS TransferParameters;
    PUHCI_ENDPOINT UhciEndpoint;
    PUHCI_TRANSFER UhciTransfer;
    USBD_STATUS USBDStatus = USBD_STATUS_SUCCESS;
    SIZE_T TransferedLen;
 
    DPRINT_UHCI("UhciProcessDoneNonIsoTD: TD - %p\n", TD);
 
    UhciTransfer = TD->UhciTransfer;
    UhciTransfer->PendingTds--;
 
    TransferParameters = UhciTransfer->TransferParameters;
    UhciEndpoint = UhciTransfer->UhciEndpoint;
 
    if (!(TD->Flags & UHCI_HCD_TD_FLAG_NOT_ACCESSED))
    {
        if (UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_HALTED)
            USBDStatus = UhciGetErrorFromTD(UhciExtension, TD);
 
        if (USBDStatus != USBD_STATUS_SUCCESS ||
            (TD->HwTD.ControlStatus.ActualLength == UHCI_TD_LENGTH_NULL))
        {
            TransferedLen = 0;
        }
        else
        {
            TransferedLen = TD->HwTD.ControlStatus.ActualLength + 1;
        }
 
        if (TD->HwTD.Token.PIDCode != UHCI_TD_PID_SETUP)
            UhciTransfer->TransferLen += TransferedLen;
 
        if (TD->HwTD.Token.PIDCode == UHCI_TD_PID_IN &&
            TD->Flags & UHCI_HCD_TD_FLAG_DATA_BUFFER)
        {
            DPRINT_IMPL("UhciProcessDoneNonIsoTD: UNIMPLEMENTED. FIXME\n");
        }
 
        if (USBDStatus != USBD_STATUS_SUCCESS)
            UhciTransfer->USBDStatus = USBDStatus;
    }
 
    if (TD->Flags & UHCI_HCD_TD_FLAG_DATA_BUFFER)
        DPRINT_IMPL("UhciProcessDoneNonIsoTD: UNIMPLEMENTED. FIXME\n");
 
    UhciEndpoint->AllocatedTDs--;
 
    TD->HwTD.NextElement = 0;
    TD->UhciTransfer = NULL;
    TD->Flags = 0;
 
    if (UhciTransfer->PendingTds == 0)
    {
        InterlockedDecrement(&UhciEndpoint->EndpointLock);
 
        if (UhciEndpoint->EndpointProperties.TransferType ==
            USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
        {
            InterlockedDecrement(&UhciExtension->ExtensionLock);
        }
 
        RegPacket.UsbPortCompleteTransfer(UhciExtension,
                                          UhciEndpoint,
                                          TransferParameters,
                                          UhciTransfer->USBDStatus,
                                          UhciTransfer->TransferLen);
    }
}

Referenced by UhciAbortNonIsoTransfer(), and UhciPollNonIsoEndpoint().

UhciQueryEndpointRequirements()

VOID NTAPI UhciQueryEndpointRequirements	(	IN PVOID	uhciExtension,
		IN PUSBPORT_ENDPOINT_PROPERTIES	EndpointProperties,
		IN PUSBPORT_ENDPOINT_REQUIREMENTS	EndpointRequirements
	)

Definition at line 283 of file usbuhci.c.

{
    ULONG TransferType;
    ULONG TdCount;
 
    DPRINT("UhciQueryEndpointRequirements: ... \n");
 
    TransferType = EndpointProperties->TransferType;
 
    switch (TransferType)
    {
        case USBPORT_TRANSFER_TYPE_ISOCHRONOUS:
            DPRINT("UhciQueryEndpointRequirements: IsoTransfer\n");
            TdCount = 2 * UHCI_MAX_ISO_TD_COUNT;
 
            EndpointRequirements->HeaderBufferSize = 0 + // Iso queue is have not Queue Heads
                                                     TdCount * sizeof(UHCI_HCD_TD);
 
            EndpointRequirements->MaxTransferSize = UHCI_MAX_ISO_TRANSFER_SIZE;
            break;
 
        case USBPORT_TRANSFER_TYPE_CONTROL:
            DPRINT("UhciQueryEndpointRequirements: ControlTransfer\n");
            TdCount = EndpointProperties->MaxTransferSize /
                      EndpointProperties->TotalMaxPacketSize;
 
            TdCount += 2; // First + Last TDs
 
            EndpointRequirements->HeaderBufferSize = sizeof(UHCI_HCD_QH) +
                                                     TdCount * sizeof(UHCI_HCD_TD);
 
            EndpointRequirements->MaxTransferSize = EndpointProperties->MaxTransferSize;
            break;
 
        case USBPORT_TRANSFER_TYPE_BULK:
            DPRINT("UhciQueryEndpointRequirements: BulkTransfer\n");
            TdCount = 2 * UHCI_MAX_BULK_TRANSFER_SIZE /
                      EndpointProperties->TotalMaxPacketSize;
 
            EndpointRequirements->HeaderBufferSize = sizeof(UHCI_HCD_QH) +
                                                     TdCount * sizeof(UHCI_HCD_TD);
 
            EndpointRequirements->MaxTransferSize = UHCI_MAX_BULK_TRANSFER_SIZE;
            break;
 
        case USBPORT_TRANSFER_TYPE_INTERRUPT:
            DPRINT("UhciQueryEndpointRequirements: InterruptTransfer\n");
            TdCount = 2 * UHCI_MAX_INTERRUPT_TD_COUNT;
 
            EndpointRequirements->HeaderBufferSize = sizeof(UHCI_HCD_QH) +
                                                     TdCount * sizeof(UHCI_HCD_TD);
 
            EndpointRequirements->MaxTransferSize = UHCI_MAX_INTERRUPT_TD_COUNT *
                                                    EndpointProperties->TotalMaxPacketSize;
            break;
 
        default:
            DPRINT1("UhciQueryEndpointRequirements: Unknown TransferType - %x\n",
                    TransferType);
            DbgBreakPoint();
            break;
    }
}

Referenced by DriverEntry().

UhciQueueTransfer()

VOID NTAPI UhciQueueTransfer	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_ENDPOINT	UhciEndpoint,
		IN PUHCI_HCD_TD	FirstTD,
		IN PUHCI_HCD_TD	LastTD
	)

Definition at line 970 of file usbuhci.c.

{
    PUHCI_HCD_QH QH;
    PUHCI_HCD_QH BulkTailQH;
    PUHCI_HCD_TD TailTD;
    ULONG PhysicalAddress;
 
    DPRINT("UhciQueueTransfer: FirstTD - %p, LastTD - %p\n", FirstTD, LastTD);
 
    TailTD = UhciEndpoint->TailTD;
    QH = UhciEndpoint->QH;
 
    if (UhciEndpoint->HeadTD)
    {
        TailTD->NextHcdTD = FirstTD;
 
        TailTD->HwTD.NextElement = FirstTD->PhysicalAddress;
        TailTD->HwTD.NextElement |= UHCI_TD_LINK_PTR_TD;
 
        PhysicalAddress = QH->HwQH.NextElement;
 
        PhysicalAddress &= ~(UHCI_TD_LINK_PTR_TERMINATE |
                             UHCI_TD_LINK_PTR_QH |
                             UHCI_TD_LINK_PTR_DEPTH_FIRST);
 
        if (FirstTD->HwTD.ControlStatus.Status & UHCI_TD_STS_ACTIVE)
        {
            if (PhysicalAddress == TailTD->PhysicalAddress &&
                !(TailTD->HwTD.ControlStatus.Status & UHCI_TD_STS_ACTIVE))
            {
                QH->HwQH.NextElement = FirstTD->PhysicalAddress;
 
                QH->HwQH.NextElement &= ~(UHCI_QH_ELEMENT_LINK_PTR_TERMINATE |
                                          UHCI_QH_ELEMENT_LINK_PTR_QH);
            }
        }
    }
    else
    {
        if (FirstTD)
        {
            UhciEndpoint->HeadTD = FirstTD;
        }
        else
        {
            UhciEndpoint->TailTD = NULL;
            UhciEndpoint->HeadTD = NULL;
        }
 
        if (FirstTD == NULL || UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_HALTED)
        {
            PhysicalAddress = UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
        }
        else
        {
            PhysicalAddress = FirstTD->PhysicalAddress;
            PhysicalAddress &= ~UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
        }
 
        QH->HwQH.NextElement = PhysicalAddress & ~UHCI_QH_ELEMENT_LINK_PTR_QH;
    }
 
    if (UhciEndpoint->EndpointProperties.TransferType == USBPORT_TRANSFER_TYPE_BULK)
    {
        BulkTailQH = UhciExtension->BulkTailQH;
        BulkTailQH->HwQH.NextQH &= ~UHCI_QH_HEAD_LINK_PTR_TERMINATE;
    }
 
    UhciEndpoint->TailTD = LastTD;
}

Referenced by UhciBulkOrInterruptTransfer(), and UhciControlTransfer().

UhciReopenEndpoint()

MPSTATUS NTAPI UhciReopenEndpoint	(	IN PVOID	uhciExtension,
		IN PUSBPORT_ENDPOINT_PROPERTIES	EndpointProperties,
		IN PVOID	uhciEndpoint
	)

Definition at line 273 of file usbuhci.c.

{
    DPRINT_IMPL("Uhci: UNIMPLEMENTED. FIXME\n");
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciResetController()

VOID NTAPI UhciResetController

(

IN PVOID

uhciExtension

)

Definition at line 2626 of file usbuhci.c.

{
    DPRINT_IMPL("UhciResetController: UNIMPLEMENTED. FIXME\n");
}

UhciResumeController()

MPSTATUS NTAPI UhciResumeController

(

IN PVOID

uhciExtension

)

Definition at line 784 of file usbuhci.c.

{
    DPRINT_IMPL("UhciResumeController: UNIMPLEMENTED. FIXME\n");
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciSetEndpointDataToggle()

VOID NTAPI UhciSetEndpointDataToggle	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint,
		IN ULONG	DataToggle
	)

Definition at line 2617 of file usbuhci.c.

{
    DPRINT_IMPL("UhciSetEndpointDataToggle: UNIMPLEMENTED. FIXME\n");
}

Referenced by DriverEntry().

UhciSetEndpointState()

VOID NTAPI UhciSetEndpointState	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint,
		IN ULONG	EndpointState
	)

Definition at line 1937 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_ENDPOINT UhciEndpoint = uhciEndpoint;
    ULONG TransferType;
    PUHCI_HCD_QH QH;
    ULONG Idx;
 
    TransferType = UhciEndpoint->EndpointProperties.TransferType;
    QH = UhciEndpoint->QH;
 
    DPRINT("UhciSetEndpointState: EndpointState - %x, TransferType - %x\n",
           EndpointState,
           TransferType);
 
    if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
        return;
 
    if (TransferType != USBPORT_TRANSFER_TYPE_CONTROL &&
        TransferType != USBPORT_TRANSFER_TYPE_BULK &&
        TransferType != USBPORT_TRANSFER_TYPE_INTERRUPT)
    {
        DPRINT("UhciSetEndpointState: Unknown TransferType - %x\n",
               TransferType);
    }
 
    switch (EndpointState)
    {
        case USBPORT_ENDPOINT_PAUSED:
            UhciUnlinkQH(UhciExtension, QH);
            return;
 
        case USBPORT_ENDPOINT_ACTIVE:
            switch (TransferType)
            {
                case USBPORT_TRANSFER_TYPE_CONTROL:
                    UhciInsertQH(UhciExtension,
                                 UhciExtension->ControlQH,
                                 UhciEndpoint->QH);
                    break;
 
                case USBPORT_TRANSFER_TYPE_BULK:
                    UhciInsertQH(UhciExtension,
                                 UhciExtension->BulkQH,
                                 UhciEndpoint->QH);
                    break;
 
                case USBPORT_TRANSFER_TYPE_INTERRUPT:
                    Idx = UhciEndpoint->EndpointProperties.Period +
                          UhciEndpoint->EndpointProperties.ScheduleOffset;
 
                    UhciInsertQH(UhciExtension,
                                 UhciExtension->IntQH[Idx - 1],
                                 UhciEndpoint->QH);
                    break;
                default:
                    ASSERT(FALSE);
                    break;
            }
 
            break;
 
        case USBPORT_ENDPOINT_REMOVE:
            QH->QhFlags |= UHCI_HCD_QH_FLAG_REMOVE;
            UhciUnlinkQH(UhciExtension, QH);
            break;
 
        default:
            ASSERT(FALSE);
            break;
    }
}

Referenced by DriverEntry().

UhciSetEndpointStatus()

VOID NTAPI UhciSetEndpointStatus	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint,
		IN ULONG	EndpointStatus
	)

Definition at line 2032 of file usbuhci.c.

{
    PUHCI_ENDPOINT UhciEndpoint = uhciEndpoint;
    ULONG PhysicalAddress;
 
    DPRINT("UhciSetEndpointStatus: uhciEndpoint - %p, EndpointStatus - %X\n",
           uhciEndpoint,
           EndpointStatus);
 
    if (EndpointStatus != USBPORT_ENDPOINT_RUN)
        return;
 
    if (!(UhciEndpoint->Flags & UHCI_ENDPOINT_FLAG_HALTED))
        return;
 
    UhciEndpoint->Flags &= ~UHCI_ENDPOINT_FLAG_HALTED;
 
    if (UhciEndpoint->HeadTD == NULL)
        UhciEndpoint->TailTD = NULL;
 
    if (UhciEndpoint->HeadTD)
    {
        PhysicalAddress = UhciEndpoint->HeadTD->PhysicalAddress;
        PhysicalAddress &= ~UHCI_TD_LINK_PTR_TERMINATE;
        UhciEndpoint->QH->HwQH.NextElement = PhysicalAddress;
        UhciEndpoint->QH->HwQH.NextElement &= ~UHCI_QH_ELEMENT_LINK_PTR_QH;
    }
    else
    {
        UhciEndpoint->QH->HwQH.NextElement = UHCI_QH_ELEMENT_LINK_PTR_TERMINATE;
    }
}

Referenced by DriverEntry(), and UhciPollNonIsoEndpoint().

UhciSetNextQH()

VOID NTAPI UhciSetNextQH	(	IN PUHCI_HCD_QH	QH,
		IN PUHCI_HCD_QH	NextQH
	)

Definition at line 173 of file usbuhci.c.

{
    DPRINT_UHCI("UhciSetNextQH: QH - %p, NextQH - %p\n", QH, NextQH);
 
    QH->HwQH.NextQH = NextQH->PhysicalAddress | UHCI_QH_HEAD_LINK_PTR_QH;
    QH->NextHcdQH = NextQH;
 
    NextQH->PrevHcdQH = QH;
    NextQH->QhFlags |= UHCI_HCD_QH_FLAG_ACTIVE;
}

Referenced by UhciInitializeSchedule().

UhciStartController()

MPSTATUS NTAPI UhciStartController	(	IN PVOID	uhciExtension,
		IN PUSBPORT_RESOURCES	Resources
	)

Definition at line 657 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_HW_REGISTERS BaseRegister;
    MPSTATUS MpStatus;
    PUSHORT PortControlRegister;
    UHCI_PORT_STATUS_CONTROL PortControl;
    UHCI_USB_COMMAND Command;
    USHORT Port;
 
    UhciExtension->Flags &= ~UHCI_EXTENSION_FLAG_SUSPENDED;
    UhciExtension->BaseRegister = Resources->ResourceBase;
    BaseRegister = UhciExtension->BaseRegister;
    DPRINT("UhciStartController: UhciExtension - %p, BaseRegister - %p\n", UhciExtension, BaseRegister);
 
    UhciExtension->HcFlavor = Resources->HcFlavor;
 
    MpStatus = UhciTakeControlHC(UhciExtension, Resources);
 
    if (MpStatus == MP_STATUS_SUCCESS)
    {
        MpStatus = UhciInitializeHardware(UhciExtension);
 
        if (MpStatus == MP_STATUS_SUCCESS)
        {
            UhciExtension->HcResourcesVA = (PUHCI_HC_RESOURCES)Resources->StartVA;
            UhciExtension->HcResourcesPA = Resources->StartPA;
 
            MpStatus = UhciInitializeSchedule(UhciExtension,
                                              UhciExtension->HcResourcesVA,
                                              UhciExtension->HcResourcesPA);
 
            UhciExtension->LockFrameList = 0;
        }
    }
 
    WRITE_PORT_ULONG(&BaseRegister->FrameAddress,
                     UhciExtension->HcResourcesPA + FIELD_OFFSET(UHCI_HC_RESOURCES, FrameList));
 
    if (MpStatus == MP_STATUS_SUCCESS)
    {
        Command.AsUSHORT = READ_PORT_USHORT(&BaseRegister->HcCommand.AsUSHORT);
        Command.Run = 1;
        WRITE_PORT_USHORT(&BaseRegister->HcCommand.AsUSHORT, Command.AsUSHORT);
 
        for (Port = 0; Port < UHCI_NUM_ROOT_HUB_PORTS; Port++)
        {
            PortControlRegister = &BaseRegister->PortControl[Port].AsUSHORT;
            PortControl.AsUSHORT = READ_PORT_USHORT(PortControlRegister);
 
            PortControl.ConnectStatusChange = 0;
            PortControl.Suspend = 0;
 
            WRITE_PORT_USHORT(PortControlRegister, PortControl.AsUSHORT);
        }
 
        UhciExtension->HcResourcesVA->FrameList[0] =
            UhciExtension->StaticTD->PhysicalAddress;
    }
 
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciStartSendOnePacket()

MPSTATUS NTAPI UhciStartSendOnePacket	(	IN PVOID	uhciExtension,
		IN PVOID	PacketParameters,
		IN PVOID	Data,
		IN PULONG	pDataLength,
		IN PVOID	BufferVA,
		IN PVOID	BufferPA,
		IN ULONG	BufferLength,
		IN USBD_STATUS *	pUSBDStatus
	)

Definition at line 2633 of file usbuhci.c.

{
    DPRINT_IMPL("UhciStartSendOnePacket: UNIMPLEMENTED. FIXME\n");
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciStopController()

VOID NTAPI UhciStopController	(	IN PVOID	uhciExtension,
		IN BOOLEAN	IsDoDisableInterrupts
	)

Definition at line 723 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_HW_REGISTERS BaseRegister;
    PUSHORT CommandReg;
    UHCI_USB_COMMAND Command;
    LARGE_INTEGER EndTime;
    LARGE_INTEGER CurrentTime;
 
    DPRINT("UhciStopController: UhciExtension - %p\n", UhciExtension);
 
    BaseRegister = UhciExtension->BaseRegister;
    CommandReg = &BaseRegister->HcCommand.AsUSHORT;
 
    Command.AsUSHORT = READ_PORT_USHORT(CommandReg);
 
    if (Command.AsUSHORT == 0xFFFF)
    {
        DPRINT("UhciStopController: Command == -1\n");
        return;
    }
 
    DPRINT("UhciStopController: Command.AsUSHORT - %p\n", Command.AsUSHORT);
 
    if (Command.GlobalReset)
    {
        Command.GlobalReset = 0;
        WRITE_PORT_USHORT(CommandReg, Command.AsUSHORT);
    }
 
    Command.HcReset = 1;
 
    WRITE_PORT_USHORT(CommandReg, Command.AsUSHORT);
 
    KeQuerySystemTime(&EndTime);
    EndTime.QuadPart += 100 * 1000;
 
    while (Command.AsUSHORT = READ_PORT_USHORT(CommandReg),
           Command.HcReset == 1)
    {
        KeQuerySystemTime(&CurrentTime);
 
        if (CurrentTime.QuadPart >= EndTime.QuadPart)
        {
            DPRINT1("UhciStopController: Failed to reset\n");
            DbgBreakPoint();
            break;
        }
    }
}

Referenced by DriverEntry().

UhciSubmitTransfer()

MPSTATUS NTAPI UhciSubmitTransfer	(	IN PVOID	uhciExtension,
		IN PVOID	uhciEndpoint,
		IN PUSBPORT_TRANSFER_PARAMETERS	TransferParameters,
		IN PVOID	uhciTransfer,
		IN PUSBPORT_SCATTER_GATHER_LIST	SgList
	)

Definition at line 1474 of file usbuhci.c.

{
    PUHCI_EXTENSION UhciExtension = uhciExtension;
    PUHCI_ENDPOINT UhciEndpoint = uhciEndpoint;
    PUHCI_TRANSFER UhciTransfer = uhciTransfer;
    ULONG TransferType;
 
    DPRINT_UHCI("UhciSubmitTransfer: ...\n");
 
    InterlockedIncrement(&UhciEndpoint->EndpointLock);
 
    TransferType = UhciEndpoint->EndpointProperties.TransferType;
 
    if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS &&
        InterlockedIncrement(&UhciExtension->ExtensionLock) == 1)
    {
        UhciExtension->FrameNumber = UhciGet32BitFrameNumber(UhciExtension);
    }
 
    RtlZeroMemory(UhciTransfer, sizeof(UHCI_TRANSFER));
 
    UhciTransfer->TransferParameters = TransferParameters;
    UhciTransfer->UhciEndpoint = UhciEndpoint;
    UhciTransfer->USBDStatus = USBD_STATUS_SUCCESS;
 
    if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL)
    {
        return UhciControlTransfer(UhciExtension,
                                   UhciEndpoint,
                                   TransferParameters,
                                   UhciTransfer,
                                   SgList);
    }
 
    if (TransferType == USBPORT_TRANSFER_TYPE_BULK ||
        TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
    {
        return UhciBulkOrInterruptTransfer(UhciExtension,
                                           UhciEndpoint,
                                           TransferParameters,
                                           UhciTransfer,
                                           SgList);
    }
 
    DPRINT1("UhciSubmitTransfer: Error TransferType - %x\n", TransferType);
 
    return MP_STATUS_SUCCESS;
}

Referenced by DriverEntry().

UhciSuspendController()

VOID NTAPI UhciSuspendController

(

IN PVOID

uhciExtension

)

Definition at line 777 of file usbuhci.c.

{
    DPRINT_IMPL("UhciSuspendController: UNIMPLEMENTED. FIXME\n");
}

Referenced by DriverEntry().

UhciTakeControlHC()

MPSTATUS NTAPI UhciTakeControlHC	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUSBPORT_RESOURCES	Resources
	)

Definition at line 360 of file usbuhci.c.

{
    LARGE_INTEGER EndTime;
    LARGE_INTEGER CurrentTime;
    ULONG ResourcesTypes;
    PUHCI_HW_REGISTERS BaseRegister;
    PUSHORT StatusRegister;
    UHCI_PCI_LEGSUP LegacySupport;
    UHCI_PCI_LEGSUP LegacyMask;
    UHCI_USB_COMMAND Command;
    UHCI_USB_STATUS HcStatus;
    MPSTATUS MpStatus = MP_STATUS_SUCCESS;
 
    DPRINT("UhciTakeControlHC: Resources->ResourcesTypes - %x\n",
           Resources->ResourcesTypes);
 
    ResourcesTypes = Resources->ResourcesTypes;
 
    if ((ResourcesTypes & (USBPORT_RESOURCES_PORT | USBPORT_RESOURCES_INTERRUPT)) !=
                          (USBPORT_RESOURCES_PORT | USBPORT_RESOURCES_INTERRUPT))
    {
        DPRINT1("UhciTakeControlHC: MP_STATUS_ERROR\n");
        MpStatus = MP_STATUS_ERROR;
    }
 
    BaseRegister = UhciExtension->BaseRegister;
    StatusRegister = &BaseRegister->HcStatus.AsUSHORT;
 
    RegPacket.UsbPortReadWriteConfigSpace(UhciExtension,
                                          TRUE,
                                          &LegacySupport.AsUSHORT,
                                          PCI_LEGSUP,
                                          sizeof(USHORT));
 
    UhciDisableInterrupts(UhciExtension);
 
    Command.AsUSHORT = READ_PORT_USHORT(&BaseRegister->HcCommand.AsUSHORT);
 
    Command.Run = 0;
    Command.GlobalReset = 0;
    Command.ConfigureFlag = 0;
 
    WRITE_PORT_USHORT(&BaseRegister->HcCommand.AsUSHORT, Command.AsUSHORT);
 
    KeQuerySystemTime(&EndTime);
    EndTime.QuadPart += 100 * 10000; // 100 ms
 
    HcStatus.AsUSHORT = READ_PORT_USHORT(StatusRegister);
    DPRINT("UhciTakeControlHC: HcStatus.AsUSHORT - %04X\n", HcStatus.AsUSHORT);
 
    while (HcStatus.HcHalted == 0)
    {
        HcStatus.AsUSHORT = READ_PORT_USHORT(StatusRegister);
        KeQuerySystemTime(&CurrentTime);
 
        if (CurrentTime.QuadPart >= EndTime.QuadPart)
            break;
    }
 
    WRITE_PORT_USHORT(StatusRegister, UHCI_USB_STATUS_MASK);
 
    LegacyMask.AsUSHORT = 0;
    LegacyMask.Smi60Read = 1;
    LegacyMask.Smi60Write = 1;
    LegacyMask.Smi64Read = 1;
    LegacyMask.Smi64Write = 1;
    LegacyMask.SmiIrq = 1;
    LegacyMask.A20Gate = 1;
    LegacyMask.SmiEndPassThrough = 1;
 
    if (LegacySupport.AsUSHORT & LegacyMask.AsUSHORT)
    {
        DPRINT("UhciTakeControlHC: LegacySupport.AsUSHORT - %04X\n",
               LegacySupport.AsUSHORT);
 
        Resources->LegacySupport = 1;
 
        RegPacket.UsbPortReadWriteConfigSpace(UhciExtension,
                                              TRUE,
                                              &LegacySupport.AsUSHORT,
                                              PCI_LEGSUP,
                                              sizeof(USHORT));
        LegacySupport.AsUSHORT = 0;
 
        RegPacket.UsbPortReadWriteConfigSpace(UhciExtension,
                                              FALSE,
                                              &LegacySupport.AsUSHORT,
                                              PCI_LEGSUP,
                                              sizeof(USHORT));
    }
 
    return MpStatus;
}

Referenced by UhciStartController().

UhciUnlinkQH()

VOID NTAPI UhciUnlinkQH	(	IN PUHCI_EXTENSION	UhciExtension,
		IN PUHCI_HCD_QH	QH
	)

Definition at line 1876 of file usbuhci.c.

{
    PUHCI_HCD_QH NextHcdQH;
    PUHCI_HCD_QH PrevHcdQH;
    PUHCI_HCD_QH BulkQH;
 
    DPRINT("UhciUnlinkQH: ... \n");
 
    NextHcdQH = QH->NextHcdQH;
    PrevHcdQH = QH->PrevHcdQH;
 
    if (UhciExtension->BulkTailQH == QH)
        UhciExtension->BulkTailQH = PrevHcdQH;
 
    PrevHcdQH->HwQH.NextQH = QH->HwQH.NextQH;
    PrevHcdQH->NextHcdQH = NextHcdQH;
 
    if (NextHcdQH)
        NextHcdQH->PrevHcdQH = PrevHcdQH;
 
    QH->PrevHcdQH = QH;
    QH->NextHcdQH = QH;
 
    if (!(QH->UhciEndpoint->EndpointProperties.TransferType ==
          USBPORT_TRANSFER_TYPE_BULK))
    {
        QH->QhFlags &= ~UHCI_HCD_QH_FLAG_ACTIVE;
        return;
    }
 
    if ((UhciExtension->BulkTailQH->HwQH.NextQH & UHCI_QH_HEAD_LINK_PTR_TERMINATE)
                                               == UHCI_QH_HEAD_LINK_PTR_TERMINATE)
    {
        QH->QhFlags &= ~UHCI_HCD_QH_FLAG_ACTIVE;
        return;
    }
 
    BulkQH = UhciExtension->BulkQH;
 
    while (TRUE)
    {
        BulkQH = BulkQH->NextHcdQH;
 
        if (!BulkQH)
            break;
 
        if (!(BulkQH->HwQH.NextElement & UHCI_QH_ELEMENT_LINK_PTR_TERMINATE))
        {
            QH->QhFlags &= ~UHCI_HCD_QH_FLAG_ACTIVE;
            return;
        }
    }
 
    UhciExtension->BulkTailQH->HwQH.NextQH |= UHCI_QH_HEAD_LINK_PTR_TERMINATE;
 
    QH->QhFlags &= ~UHCI_HCD_QH_FLAG_ACTIVE;
}

Referenced by UhciSetEndpointState().

UhciUnload()

MPSTATUS NTAPI UhciUnload

(

IN PVOID

uhciExtension

)

Definition at line 2681 of file usbuhci.c.

{
    DPRINT_IMPL("UhciUnload: UNIMPLEMENTED. FIXME\n");
    return MP_STATUS_SUCCESS;
}

UhciUpdateCounter()

VOID NTAPI UhciUpdateCounter

(

IN PUHCI_EXTENSION

UhciExtension

)

Definition at line 155 of file usbuhci.c.

{
    ULONG FrameNumber;
 
    FrameNumber = READ_PORT_USHORT(&UhciExtension->BaseRegister->FrameNumber);
    FrameNumber &= UHCI_FRNUM_FRAME_MASK;
 
    if ((FrameNumber ^ UhciExtension->FrameHighPart) & UHCI_FRNUM_OVERFLOW_LIST)
    {
        UhciExtension->FrameHighPart += UHCI_FRAME_LIST_MAX_ENTRIES;
 
        DPRINT_UHCI("UhciUpdateCounter: UhciExtension->FrameHighPart - %lX\n",
                    UhciExtension->FrameHighPart);
    }
}

Referenced by UhciInterruptService(), and UhciPollController().

Variable Documentation

RegPacket

USBPORT_REGISTRATION_PACKET RegPacket

Definition at line 17 of file usbuhci.c.

Referenced by DriverEntry(), UhciCheckController(), UhciDisableInterrupts(), UhciEnableInterrupts(), UhciInitializeHardware(), UhciInterruptDpc(), UhciPollController(), UhciPollNonIsoEndpoint(), UhciProcessDoneNonIsoTD(), and UhciTakeControlHC().