ReactOS 0.4.15-dev-8102-g108db8f
usbohci.c File Reference
#include "usbohci.h"
#include <debug.h>
#include "dbg_ohci.h"
Include dependency graph for usbohci.c:

Go to the source code of this file.

Macros

#define NDEBUG
 
#define NDEBUG_OHCI_TRACE
 

Functions

VOID NTAPI OHCI_DumpHcdED (POHCI_HCD_ED ED)
 
VOID NTAPI OHCI_DumpHcdTD (POHCI_HCD_TD TD)
 
VOID NTAPI OHCI_EnableList (IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
 
VOID NTAPI OHCI_InsertEndpointInSchedule (IN POHCI_ENDPOINT OhciEndpoint)
 
POHCI_HCD_ED NTAPI OHCI_InitializeED (IN POHCI_ENDPOINT OhciEndpoint, IN POHCI_HCD_ED ED, IN POHCI_HCD_TD FirstTD, IN ULONG_PTR EdPA)
 
VOID NTAPI OHCI_InitializeTDs (IN POHCI_ENDPOINT OhciEndpoint, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties)
 
MPSTATUS NTAPI OHCI_OpenControlEndpoint (IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN POHCI_ENDPOINT OhciEndpoint)
 
MPSTATUS NTAPI OHCI_OpenBulkEndpoint (IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN POHCI_ENDPOINT OhciEndpoint)
 
MPSTATUS NTAPI OHCI_OpenInterruptEndpoint (IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN POHCI_ENDPOINT OhciEndpoint)
 
MPSTATUS NTAPI OHCI_OpenIsoEndpoint (IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN POHCI_ENDPOINT OhciEndpoint)
 
MPSTATUS NTAPI OHCI_OpenEndpoint (IN PVOID ohciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PVOID ohciEndpoint)
 
MPSTATUS NTAPI OHCI_ReopenEndpoint (IN PVOID ohciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PVOID ohciEndpoint)
 
VOID NTAPI OHCI_QueryEndpointRequirements (IN PVOID ohciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PUSBPORT_ENDPOINT_REQUIREMENTS EndpointRequirements)
 
VOID NTAPI OHCI_CloseEndpoint (IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN BOOLEAN IsDoDisablePeriodic)
 
MPSTATUS NTAPI OHCI_TakeControlHC (IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_RESOURCES Resources)
 
MPSTATUS NTAPI OHCI_StartController (IN PVOID ohciExtension, IN PUSBPORT_RESOURCES Resources)
 
VOID NTAPI OHCI_StopController (IN PVOID ohciExtension, IN BOOLEAN IsDoDisableInterrupts)
 
VOID NTAPI OHCI_SuspendController (IN PVOID ohciExtension)
 
MPSTATUS NTAPI OHCI_ResumeController (IN PVOID ohciExtension)
 
BOOLEAN NTAPI OHCI_HardwarePresent (IN POHCI_EXTENSION OhciExtension, IN BOOLEAN IsInvalidateController)
 
BOOLEAN NTAPI OHCI_InterruptService (IN PVOID ohciExtension)
 
VOID NTAPI OHCI_InterruptDpc (IN PVOID ohciExtension, IN BOOLEAN IsDoEnableInterrupts)
 
static ULONG OHCI_MapTransferToTD (IN POHCI_EXTENSION OhciExtension, IN ULONG TransferedLen, IN POHCI_TRANSFER OhciTransfer, OUT POHCI_HCD_TD TD, IN PUSBPORT_SCATTER_GATHER_LIST SGList)
 Forms the next General Transfer Descriptor for the current transfer.
 
POHCI_HCD_TD NTAPI OHCI_AllocateTD (IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
 
ULONG NTAPI OHCI_RemainTDs (IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
 
static MPSTATUS OHCI_ControlTransfer (IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN POHCI_TRANSFER OhciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SGList)
 
static MPSTATUS OHCI_BulkOrInterruptTransfer (IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN POHCI_TRANSFER OhciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SGList)
 
MPSTATUS NTAPI OHCI_SubmitTransfer (IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN PVOID ohciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SGList)
 Creates the transfer descriptor chain for the given transfer's buffer and attaches it to a given endpoint (for control, bulk or interrupt transfers)
 
MPSTATUS NTAPI OHCI_SubmitIsoTransfer (IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN PVOID ohciTransfer, IN PVOID isoParameters)
 
VOID NTAPI OHCI_ProcessDoneTD (IN POHCI_EXTENSION OhciExtension, IN POHCI_HCD_TD TD, IN BOOLEAN IsPortComplete)
 
VOID NTAPI OHCI_ProcessDoneIsoTD (IN POHCI_EXTENSION OhciExtension, IN POHCI_HCD_TD TD, IN BOOLEAN IsPortComplete)
 
VOID NTAPI OHCI_AbortTransfer (IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN PVOID ohciTransfer, IN OUT PULONG CompletedLength)
 Aborts the transfer descriptor chain in a given endpoint.
 
ULONG NTAPI OHCI_GetEndpointState (IN PVOID ohciExtension, IN PVOID ohciEndpoint)
 
VOID NTAPI OHCI_RemoveEndpointFromSchedule (IN POHCI_ENDPOINT OhciEndpoint)
 
VOID NTAPI OHCI_SetEndpointState (IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN ULONG EndpointState)
 
VOID NTAPI OHCI_PollAsyncEndpoint (IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
 
VOID NTAPI OHCI_PollIsoEndpoint (IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
 
VOID NTAPI OHCI_PollEndpoint (IN PVOID ohciExtension, IN PVOID ohciEndpoint)
 
VOID NTAPI OHCI_CheckController (IN PVOID ohciExtension)
 
ULONG NTAPI OHCI_Get32BitFrameNumber (IN PVOID ohciExtension)
 
VOID NTAPI OHCI_InterruptNextSOF (IN PVOID ohciExtension)
 
VOID NTAPI OHCI_EnableInterrupts (IN PVOID ohciExtension)
 
VOID NTAPI OHCI_DisableInterrupts (IN PVOID ohciExtension)
 
VOID NTAPI OHCI_PollController (IN PVOID ohciExtension)
 
VOID NTAPI OHCI_SetEndpointDataToggle (IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN ULONG DataToggle)
 
ULONG NTAPI OHCI_GetEndpointStatus (IN PVOID ohciExtension, IN PVOID ohciEndpoint)
 
VOID NTAPI OHCI_SetEndpointStatus (IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN ULONG EndpointStatus)
 
VOID NTAPI OHCI_ResetController (IN PVOID ohciExtension)
 
MPSTATUS NTAPI OHCI_StartSendOnePacket (IN PVOID ohciExtension, IN PVOID PacketParameters, IN PVOID Data, IN PULONG pDataLength, IN PVOID BufferVA, IN PVOID BufferPA, IN ULONG BufferLength, IN USBD_STATUS *pUSBDStatus)
 
MPSTATUS NTAPI OHCI_EndSendOnePacket (IN PVOID ohciExtension, IN PVOID PacketParameters, IN PVOID Data, IN PULONG pDataLength, IN PVOID BufferVA, IN PVOID BufferPA, IN ULONG BufferLength, IN USBD_STATUS *pUSBDStatus)
 
MPSTATUS NTAPI OHCI_PassThru (IN PVOID ohciExtension, IN PVOID passThruParameters, IN ULONG ParameterLength, IN PVOID pParameters)
 
VOID NTAPI OHCI_Unload (IN PDRIVER_OBJECT DriverObject)
 
VOID NTAPI OHCI_FlushInterrupts (IN PVOID uhciExtension)
 
NTSTATUS NTAPI DriverEntry (IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath)
 

Variables

USBPORT_REGISTRATION_PACKET RegPacket
 
static const UCHAR Index [8]
 
static const UCHAR Balance [OHCI_NUMBER_OF_INTERRUPTS]
 

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 10 of file usbohci.c.

◆ NDEBUG_OHCI_TRACE

#define NDEBUG_OHCI_TRACE

Definition at line 13 of file usbohci.c.

Function Documentation

◆ DriverEntry()

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

Definition at line 2503 of file usbohci.c.

2505{
2507
2508 DPRINT_OHCI("DriverEntry: DriverObject - %p, RegistryPath - %wZ\n",
2510 RegistryPath);
2511
2513
2515
2518
2520
2525
2574
2575 DriverObject->DriverUnload = OHCI_Unload;
2576
2579 &RegPacket);
2580
2581 DPRINT_OHCI("DriverEntry: USBPORT_RegisterUSBPortDriver return Status - %x\n",
2582 Status);
2583
2584 return Status;
2585}
LONG NTSTATUS
Definition: precomp.h:26
#define DPRINT_OHCI(...)
Definition: dbg_ohci.h:31
Status
Definition: gdiplustypes.h:25
PHCI_STOP_CONTROLLER StopController
Definition: usbmport.h:562
PHCI_SUBMIT_ISO_TRANSFER SubmitIsoTransfer
Definition: usbmport.h:568
PHCI_RH_CLEAR_FEATURE_PORT_POWER RH_ClearFeaturePortPower
Definition: usbmport.h:594
PHCI_SUBMIT_TRANSFER SubmitTransfer
Definition: usbmport.h:567
PHCI_SET_ENDPOINT_STATUS SetEndpointStatus
Definition: usbmport.h:581
PHCI_RH_GET_HUB_STATUS RH_GetHubStatus
Definition: usbmport.h:588
PHCI_ENABLE_INTERRUPTS EnableInterrupts
Definition: usbmport.h:576
PHCI_GET_ENDPOINT_STATUS GetEndpointStatus
Definition: usbmport.h:580
PHCI_RH_ENABLE_IRQ RH_EnableIrq
Definition: usbmport.h:602
PHCI_RH_CLEAR_FEATURE_PORT_OVERCURRENT_CHANGE RH_ClearFeaturePortOvercurrentChange
Definition: usbmport.h:600
PHCI_RH_DISABLE_IRQ RH_DisableIrq
Definition: usbmport.h:601
PHCI_DISABLE_INTERRUPTS DisableInterrupts
Definition: usbmport.h:577
PHCI_INTERRUPT_NEXT_SOF InterruptNextSOF
Definition: usbmport.h:575
PHCI_ABORT_TRANSFER AbortTransfer
Definition: usbmport.h:569
PHCI_FLUSH_INTERRUPTS FlushInterrupts
Definition: usbmport.h:629
PHCI_RH_CLEAR_FEATURE_PORT_ENABLE_CHANGE RH_ClearFeaturePortEnableChange
Definition: usbmport.h:596
PHCI_RH_GET_ROOT_HUB_DATA RH_GetRootHubData
Definition: usbmport.h:585
PHCI_PASS_THRU PassThru
Definition: usbmport.h:607
PHCI_RH_SET_FEATURE_PORT_SUSPEND RH_SetFeaturePortSuspend
Definition: usbmport.h:592
PHCI_RH_CLEAR_FEATURE_PORT_RESET_CHANGE RH_ClearFeaturePortResetChange
Definition: usbmport.h:598
PHCI_RH_GET_PORT_STATUS RH_GetPortStatus
Definition: usbmport.h:587
PHCI_OPEN_ENDPOINT OpenEndpoint
Definition: usbmport.h:557
PHCI_RH_CLEAR_FEATURE_PORT_ENABLE RH_ClearFeaturePortEnable
Definition: usbmport.h:593
PHCI_CHECK_CONTROLLER CheckController
Definition: usbmport.h:573
PHCI_SET_ENDPOINT_DATA_TOGGLE SetEndpointDataToggle
Definition: usbmport.h:579
PHCI_POLL_CONTROLLER PollController
Definition: usbmport.h:578
PHCI_SUSPEND_CONTROLLER SuspendController
Definition: usbmport.h:563
PHCI_GET_32BIT_FRAME_NUMBER Get32BitFrameNumber
Definition: usbmport.h:574
PHCI_RESET_CONTROLLER ResetController
Definition: usbmport.h:582
PHCI_RESUME_CONTROLLER ResumeController
Definition: usbmport.h:564
PHCI_SET_ENDPOINT_STATE SetEndpointState
Definition: usbmport.h:571
PHCI_START_SEND_ONE_PACKET StartSendOnePacket
Definition: usbmport.h:605
PHCI_QUERY_ENDPOINT_REQUIREMENTS QueryEndpointRequirements
Definition: usbmport.h:559
PHCI_CLOSE_ENDPOINT CloseEndpoint
Definition: usbmport.h:560
PHCI_RH_CLEAR_FEATURE_PORT_SUSPEND_CHANGE RH_ClearFeaturePortSuspendChange
Definition: usbmport.h:599
PHCI_END_SEND_ONE_PACKET EndSendOnePacket
Definition: usbmport.h:606
PHCI_RH_SET_FEATURE_PORT_RESET RH_SetFeaturePortReset
Definition: usbmport.h:589
PHCI_INTERRUPT_SERVICE InterruptService
Definition: usbmport.h:565
PHCI_START_CONTROLLER StartController
Definition: usbmport.h:561
PHCI_REOPEN_ENDPOINT ReopenEndpoint
Definition: usbmport.h:558
PHCI_INTERRUPT_DPC InterruptDpc
Definition: usbmport.h:566
PHCI_RH_CLEAR_FEATURE_PORT_CONNECT_CHANGE RH_ClearFeaturePortConnectChange
Definition: usbmport.h:597
PHCI_POLL_ENDPOINT PollEndpoint
Definition: usbmport.h:572
PHCI_GET_ENDPOINT_STATE GetEndpointState
Definition: usbmport.h:570
PHCI_RH_SET_FEATURE_PORT_ENABLE RH_SetFeaturePortEnable
Definition: usbmport.h:591
PHCI_RH_SET_FEATURE_PORT_POWER RH_SetFeaturePortPower
Definition: usbmport.h:590
PHCI_RH_GET_STATUS RH_GetStatus
Definition: usbmport.h:586
PHCI_RH_CLEAR_FEATURE_PORT_SUSPEND RH_ClearFeaturePortSuspend
Definition: usbmport.h:595
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
#define USB_MINIPORT_FLAGS_MEMORY_IO
Definition: usbmport.h:533
#define USB_MINIPORT_FLAGS_INTERRUPT
Definition: usbmport.h:531
#define TOTAL_USB11_BUS_BANDWIDTH
Definition: usbmport.h:541
#define USB_MINIPORT_VERSION_OHCI
Definition: usbmport.h:526
#define USB10_MINIPORT_INTERFACE_VERSION
Definition: usbmport.h:636
MPSTATUS NTAPI OHCI_RH_ClearFeaturePortSuspendChange(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:479
MPSTATUS NTAPI OHCI_RH_SetFeaturePortPower(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:218
MPSTATUS NTAPI OHCI_RH_ClearFeaturePortConnectChange(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:421
MPSTATUS NTAPI OHCI_RH_GetHubStatus(IN PVOID ohciExtension, IN PUSB_HUB_STATUS_AND_CHANGE HubStatus)
Definition: roothub.c:159
MPSTATUS NTAPI OHCI_RH_ClearFeaturePortOvercurrentChange(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:508
VOID NTAPI OHCI_RH_GetRootHubData(IN PVOID ohciExtension, IN PVOID rootHubData)
Definition: roothub.c:49
MPSTATUS NTAPI OHCI_RH_ClearFeaturePortResetChange(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:450
MPSTATUS NTAPI OHCI_RH_ClearFeaturePortPower(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:334
VOID NTAPI OHCI_RH_DisableIrq(IN PVOID ohciExtension)
Definition: roothub.c:550
MPSTATUS NTAPI OHCI_RH_ClearFeaturePortEnableChange(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:392
MPSTATUS NTAPI OHCI_RH_ClearFeaturePortEnable(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:305
MPSTATUS NTAPI OHCI_RH_SetFeaturePortReset(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:189
MPSTATUS NTAPI OHCI_RH_GetStatus(IN PVOID ohciExtension, IN PUSHORT Status)
Definition: roothub.c:103
MPSTATUS NTAPI OHCI_RH_SetFeaturePortEnable(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:247
MPSTATUS NTAPI OHCI_RH_GetPortStatus(IN PVOID ohciExtension, IN USHORT Port, IN PUSB_PORT_STATUS_AND_CHANGE PortStatus)
Definition: roothub.c:113
VOID NTAPI OHCI_RH_EnableIrq(IN PVOID ohciExtension)
Definition: roothub.c:570
MPSTATUS NTAPI OHCI_RH_ClearFeaturePortSuspend(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:363
MPSTATUS NTAPI OHCI_RH_SetFeaturePortSuspend(IN PVOID ohciExtension, IN USHORT Port)
Definition: roothub.c:276
ULONG NTAPI OHCI_GetEndpointStatus(IN PVOID ohciExtension, IN PVOID ohciEndpoint)
Definition: usbohci.c:2287
VOID NTAPI OHCI_SetEndpointDataToggle(IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN ULONG DataToggle)
Definition: usbohci.c:2266
BOOLEAN NTAPI OHCI_InterruptService(IN PVOID ohciExtension)
Definition: usbohci.c:1020
MPSTATUS NTAPI OHCI_EndSendOnePacket(IN PVOID ohciExtension, IN PVOID PacketParameters, IN PVOID Data, IN PULONG pDataLength, IN PVOID BufferVA, IN PVOID BufferPA, IN ULONG BufferLength, IN USBD_STATUS *pUSBDStatus)
Definition: usbohci.c:2457
VOID NTAPI OHCI_CloseEndpoint(IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN BOOLEAN IsDoDisablePeriodic)
Definition: usbohci.c:517
VOID NTAPI OHCI_PollController(IN PVOID ohciExtension)
Definition: usbohci.c:2259
VOID NTAPI OHCI_StopController(IN PVOID ohciExtension, IN BOOLEAN IsDoDisableInterrupts)
Definition: usbohci.c:865
VOID NTAPI OHCI_SuspendController(IN PVOID ohciExtension)
Definition: usbohci.c:908
VOID NTAPI OHCI_PollEndpoint(IN PVOID ohciExtension, IN PVOID ohciEndpoint)
Definition: usbohci.c:2089
VOID NTAPI OHCI_DisableInterrupts(IN PVOID ohciExtension)
Definition: usbohci.c:2238
VOID NTAPI OHCI_QueryEndpointRequirements(IN PVOID ohciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PUSBPORT_ENDPOINT_REQUIREMENTS EndpointRequirements)
Definition: usbohci.c:467
MPSTATUS NTAPI OHCI_ResumeController(IN PVOID ohciExtension)
Definition: usbohci.c:950
VOID NTAPI OHCI_FlushInterrupts(IN PVOID uhciExtension)
Definition: usbohci.c:2493
VOID NTAPI OHCI_InterruptNextSOF(IN PVOID ohciExtension)
Definition: usbohci.c:2194
MPSTATUS NTAPI OHCI_SubmitTransfer(IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN PVOID ohciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SGList)
Creates the transfer descriptor chain for the given transfer's buffer and attaches it to a given endp...
Definition: usbohci.c:1529
USBPORT_REGISTRATION_PACKET RegPacket
Definition: usbohci.c:16
MPSTATUS NTAPI OHCI_StartSendOnePacket(IN PVOID ohciExtension, IN PVOID PacketParameters, IN PVOID Data, IN PULONG pDataLength, IN PVOID BufferVA, IN PVOID BufferPA, IN ULONG BufferLength, IN USBD_STATUS *pUSBDStatus)
Definition: usbohci.c:2442
VOID NTAPI OHCI_AbortTransfer(IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN PVOID ohciTransfer, IN OUT PULONG CompletedLength)
Aborts the transfer descriptor chain in a given endpoint.
Definition: usbohci.c:1673
MPSTATUS NTAPI OHCI_SubmitIsoTransfer(IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN PVOID ohciTransfer, IN PVOID isoParameters)
Definition: usbohci.c:1573
VOID NTAPI OHCI_CheckController(IN PVOID ohciExtension)
Definition: usbohci.c:2118
VOID NTAPI OHCI_SetEndpointStatus(IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN ULONG EndpointStatus)
Definition: usbohci.c:2309
VOID NTAPI OHCI_ResetController(IN PVOID ohciExtension)
Definition: usbohci.c:2336
MPSTATUS NTAPI OHCI_StartController(IN PVOID ohciExtension, IN PUSBPORT_RESOURCES Resources)
Definition: usbohci.c:630
ULONG NTAPI OHCI_Get32BitFrameNumber(IN PVOID ohciExtension)
Definition: usbohci.c:2173
MPSTATUS NTAPI OHCI_PassThru(IN PVOID ohciExtension, IN PVOID passThruParameters, IN ULONG ParameterLength, IN PVOID pParameters)
Definition: usbohci.c:2472
VOID NTAPI OHCI_EnableInterrupts(IN PVOID ohciExtension)
Definition: usbohci.c:2216
MPSTATUS NTAPI OHCI_OpenEndpoint(IN PVOID ohciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PVOID ohciEndpoint)
Definition: usbohci.c:386
VOID NTAPI OHCI_InterruptDpc(IN PVOID ohciExtension, IN BOOLEAN IsDoEnableInterrupts)
Definition: usbohci.c:1075
VOID NTAPI OHCI_SetEndpointState(IN PVOID ohciExtension, IN PVOID ohciEndpoint, IN ULONG EndpointState)
Definition: usbohci.c:1847
ULONG NTAPI OHCI_GetEndpointState(IN PVOID ohciExtension, IN PVOID ohciEndpoint)
Definition: usbohci.c:1781
MPSTATUS NTAPI OHCI_ReopenEndpoint(IN PVOID ohciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN PVOID ohciEndpoint)
Definition: usbohci.c:441
VOID NTAPI OHCI_Unload(IN PDRIVER_OBJECT DriverObject)
Definition: usbohci.c:2483
struct _OHCI_HC_RESOURCES OHCI_HC_RESOURCES
struct _OHCI_EXTENSION OHCI_EXTENSION
struct _OHCI_TRANSFER OHCI_TRANSFER
struct _OHCI_ENDPOINT OHCI_ENDPOINT
NTSTATUS NTAPI USBPORT_RegisterUSBPortDriver(IN PDRIVER_OBJECT DriverObject, IN ULONG Version, IN PUSBPORT_REGISTRATION_PACKET RegPacket)
Definition: usbport.c:2811
_Must_inspect_result_ _In_ PDRIVER_OBJECT _In_ PCUNICODE_STRING RegistryPath
Definition: wdfdriver.h:215
_Must_inspect_result_ _In_ PDRIVER_OBJECT DriverObject
Definition: wdfdriver.h:213

◆ OHCI_AbortTransfer()

VOID NTAPI OHCI_AbortTransfer ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint,
IN PVOID  ohciTransfer,
IN OUT PULONG  CompletedLength 
)

Aborts the transfer descriptor chain in a given endpoint.

Parameters
[in]ohciExtensionThe ohci extension
[in]ohciEndpointThe ohci endpoint
[in]ohciTransferThe ohci transfer
[out]CompletedLength

Definition at line 1673 of file usbohci.c.

1677{
1678 POHCI_EXTENSION OhciExtension = ohciExtension;
1679 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
1680 POHCI_TRANSFER OhciTransfer = ohciTransfer;
1681 POHCI_HCD_ED ED = OhciEndpoint->HcdED;
1682 POHCI_HCD_TD TD, NextTD, LastTD;
1683 ULONG ix;
1684 BOOLEAN IsIsoEndpoint;
1685 BOOLEAN IsProcessed = FALSE;
1686
1687 DPRINT("OHCI_AbortTransfer: ohciEndpoint - %p, ohciTransfer - %p\n",
1688 OhciEndpoint,
1689 OhciTransfer);
1690
1691 IsIsoEndpoint = (OhciEndpoint->EndpointProperties.TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS);
1693 OhciExtension,
1694 OhciEndpoint);
1695
1696 if (NextTD->OhciTransfer == OhciTransfer)
1697 {
1698 LastTD = OhciTransfer->NextTD;
1699
1700 /* Keeping the carry bit from previous pointer value */
1701 ED->HwED.HeadPointer = LastTD->PhysicalAddress |
1703
1704 OhciEndpoint->HcdHeadP = LastTD;
1705
1706 for (ix = 0; ix < OhciEndpoint->MaxTransferDescriptors; ix++)
1707 {
1708 TD = &OhciEndpoint->FirstTD[ix];
1709
1710 if (TD->OhciTransfer != OhciTransfer)
1711 continue;
1712
1713 if (IsIsoEndpoint)
1714 OHCI_ProcessDoneIsoTD(OhciExtension, TD, FALSE);
1715 else
1716 OHCI_ProcessDoneTD(OhciExtension, TD, FALSE);
1717 }
1718
1719 *CompletedLength = OhciTransfer->TransferLen;
1720 return;
1721 }
1722
1723 if (NextTD == OhciEndpoint->HcdHeadP)
1724 IsProcessed = TRUE;
1725
1726 for (TD = OhciEndpoint->HcdHeadP; TD != NextTD; TD = TD->NextTDVa)
1727 {
1728 if (TD->OhciTransfer != OhciTransfer)
1729 continue;
1730
1731 if (OhciEndpoint->HcdHeadP == TD)
1732 OhciEndpoint->HcdHeadP = TD->NextTDVa;
1733
1734 if (IsIsoEndpoint)
1735 OHCI_ProcessDoneIsoTD(OhciExtension, TD, FALSE);
1736 else
1737 OHCI_ProcessDoneTD(OhciExtension, TD, FALSE);
1738
1739 IsProcessed = TRUE;
1740 }
1741
1742 if (!IsProcessed)
1743 {
1744 for (TD = OhciEndpoint->HcdHeadP; TD->OhciTransfer != OhciTransfer; TD = TD->NextTDVa)
1745 {
1746 if (TD == OhciEndpoint->HcdTailP)
1747 {
1748 TD = NULL;
1749 break;
1750 }
1751 LastTD = TD;
1752 }
1753
1754 for (; TD->OhciTransfer == OhciTransfer; TD = TD->NextTDVa)
1755 {
1756 if (TD == OhciEndpoint->HcdTailP)
1757 break;
1758
1759 if (IsIsoEndpoint)
1760 OHCI_ProcessDoneIsoTD(OhciExtension, TD, FALSE);
1761 else
1762 OHCI_ProcessDoneTD(OhciExtension, TD, FALSE);
1763 }
1764
1765 LastTD->OhciTransfer->NextTD = TD;
1766
1767 LastTD->NextTDVa = TD;
1768 LastTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
1769 }
1770
1771 *CompletedLength = OhciTransfer->TransferLen;
1772
1773 if (OhciTransfer->TransferLen)
1774 {
1775 DPRINT("OHCI_AbortTransfer: *CompletedLength - %x\n", *CompletedLength);
1776 }
1777}
unsigned char BOOLEAN
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
#define OHCI_ED_HEAD_POINTER_MASK
Definition: hardware.h:126
#define OHCI_ED_HEAD_POINTER_CARRY
Definition: hardware.h:125
#define DPRINT
Definition: sndvol32.h:73
POHCI_HCD_TD HcdHeadP
Definition: usbohci.h:128
POHCI_HCD_TD HcdTailP
Definition: usbohci.h:129
USBPORT_ENDPOINT_PROPERTIES EndpointProperties
Definition: usbohci.h:123
POHCI_HCD_TD FirstTD
Definition: usbohci.h:125
POHCI_HCD_ED HcdED
Definition: usbohci.h:126
ULONG MaxTransferDescriptors
Definition: usbohci.h:127
OHCI_ENDPOINT_DESCRIPTOR HwED
Definition: usbohci.h:83
ULONG PhysicalAddress
Definition: usbohci.h:66
struct _OHCI_HCD_TD * NextTDVa
Definition: usbohci.h:69
POHCI_TRANSFER OhciTransfer
Definition: usbohci.h:68
OHCI_HW_TRANSFER_DESCRIPTOR HwTD
Definition: usbohci.h:64
ULONG TransferLen
Definition: usbohci.h:136
POHCI_HCD_TD NextTD
Definition: usbohci.h:142
PUSBPORT_GET_MAPPED_VIRTUAL_ADDRESS UsbPortGetMappedVirtualAddress
Definition: usbmport.h:619
uint32_t ULONG
Definition: typedefs.h:59
#define USBPORT_TRANSFER_TYPE_ISOCHRONOUS
Definition: usbmport.h:7
VOID NTAPI OHCI_ProcessDoneIsoTD(IN POHCI_EXTENSION OhciExtension, IN POHCI_HCD_TD TD, IN BOOLEAN IsPortComplete)
Definition: usbohci.c:1656
VOID NTAPI OHCI_ProcessDoneTD(IN POHCI_EXTENSION OhciExtension, IN POHCI_HCD_TD TD, IN BOOLEAN IsPortComplete)
Definition: usbohci.c:1585

Referenced by DriverEntry().

◆ OHCI_AllocateTD()

POHCI_HCD_TD NTAPI OHCI_AllocateTD ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 1233 of file usbohci.c.

1235{
1236 POHCI_HCD_TD TD;
1237
1238 DPRINT_OHCI("OHCI_AllocateTD: ... \n");
1239
1240 TD = OhciEndpoint->FirstTD;
1241
1242 while (TD->Flags & OHCI_HCD_TD_FLAG_ALLOCATED)
1243 {
1244 TD += 1;
1245 }
1246
1248
1249 RtlSecureZeroMemory(&TD->HwTD, sizeof(TD->HwTD));
1250
1251 return TD;
1252}
ULONG Flags
Definition: usbohci.h:67
#define OHCI_HCD_TD_FLAG_ALLOCATED
Definition: usbohci.h:26
FORCEINLINE PVOID RtlSecureZeroMemory(_Out_writes_bytes_all_(Size) PVOID Pointer, _In_ SIZE_T Size)
Definition: rtlfuncs.h:3125

Referenced by OHCI_BulkOrInterruptTransfer(), and OHCI_ControlTransfer().

◆ OHCI_BulkOrInterruptTransfer()

static MPSTATUS OHCI_BulkOrInterruptTransfer ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_ENDPOINT  OhciEndpoint,
IN PUSBPORT_TRANSFER_PARAMETERS  TransferParameters,
IN POHCI_TRANSFER  OhciTransfer,
IN PUSBPORT_SCATTER_GATHER_LIST  SGList 
)
static

Definition at line 1425 of file usbohci.c.

1430{
1431 POHCI_HCD_TD TD;
1432 POHCI_HCD_TD PrevTD;
1433 ULONG TransferedLen;
1434 ULONG MaxTDs;
1435
1436 DPRINT_OHCI("OHCI_BulkOrInterruptTransfer: ... \n");
1437
1438 MaxTDs = OHCI_RemainTDs(OhciExtension, OhciEndpoint);
1439
1440 if (SGList->SgElementCount > MaxTDs)
1441 return MP_STATUS_FAILURE;
1442
1443 TD = OhciEndpoint->HcdTailP;
1444
1445 TransferedLen = 0;
1446
1447 do
1448 {
1449 TD->HwTD.gTD.Control.DelayInterrupt = OHCI_TD_INTERRUPT_NONE;
1450 TD->HwTD.gTD.Control.ConditionCode = OHCI_TD_CONDITION_NOT_ACCESSED;
1451
1452 if (TransferParameters->TransferFlags & USBD_TRANSFER_DIRECTION_IN)
1453 {
1454 TD->HwTD.gTD.Control.BufferRounding = FALSE;
1455 TD->HwTD.gTD.Control.DirectionPID = OHCI_TD_DIRECTION_PID_IN;
1456 }
1457 else
1458 {
1459 TD->HwTD.gTD.Control.BufferRounding = TRUE;
1460 TD->HwTD.gTD.Control.DirectionPID = OHCI_TD_DIRECTION_PID_OUT;
1461 }
1462
1464 TD->OhciTransfer = OhciTransfer;
1465
1466 if (TransferParameters->TransferBufferLength)
1467 {
1468 TransferedLen = OHCI_MapTransferToTD(OhciExtension,
1469 TransferedLen,
1470 OhciTransfer,
1471 TD,
1472 SGList);
1473 }
1474 else
1475 {
1476 ASSERT(SGList->SgElementCount == 0);
1477 TD->TransferLen = 0;
1478 }
1479
1480 PrevTD = TD;
1481
1482 TD = OHCI_AllocateTD(OhciExtension, OhciEndpoint);
1483 OhciTransfer->PendingTDs++;
1484
1485 PrevTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
1486 PrevTD->NextTDVa = TD;
1487 }
1488 while (TransferedLen < TransferParameters->TransferBufferLength);
1489
1490 if (TransferParameters->TransferFlags & USBD_SHORT_TRANSFER_OK)
1491 {
1492 PrevTD->HwTD.gTD.Control.BufferRounding = TRUE;
1493 OhciTransfer->Flags |= OHCI_TRANSFER_FLAGS_SHORT_TRANSFER_OK;
1494 }
1495
1496 PrevTD->HwTD.gTD.Control.DelayInterrupt = OHCI_TD_INTERRUPT_IMMEDIATE;
1497
1498 /* The last TD in a chain is not used in a transfer. The controller does not access it
1499 * so it will be used for chaining a next transfer to it (OpenHCI spec, 4.6)
1500 */
1501 /* TD->HwTD.gTD.NextTD = 0; */
1502 TD->NextTDVa = NULL;
1503
1504 OhciTransfer->NextTD = TD;
1505 OhciEndpoint->HcdTailP = TD;
1506
1507 OhciEndpoint->HcdED->HwED.TailPointer = TD->PhysicalAddress;
1508
1509 OHCI_EnableList(OhciExtension, OhciEndpoint);
1510
1511 return MP_STATUS_SUCCESS;
1512}
#define OHCI_TD_DIRECTION_PID_IN
Definition: hardware.h:38
#define OHCI_TD_DIRECTION_PID_OUT
Definition: hardware.h:37
#define OHCI_TD_INTERRUPT_NONE
Definition: hardware.h:34
#define OHCI_TD_INTERRUPT_IMMEDIATE
Definition: hardware.h:33
#define OHCI_TD_CONDITION_NOT_ACCESSED
Definition: hardware.h:57
#define ASSERT(a)
Definition: mode.c:44
ULONG TransferLen
Definition: usbohci.h:70
#define USBD_TRANSFER_DIRECTION_IN
Definition: usb.h:160
#define USBD_SHORT_TRANSFER_OK
Definition: usb.h:154
#define MP_STATUS_FAILURE
Definition: usbmport.h:135
#define MP_STATUS_SUCCESS
Definition: usbmport.h:134
ULONG NTAPI OHCI_RemainTDs(IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:1256
static ULONG OHCI_MapTransferToTD(IN POHCI_EXTENSION OhciExtension, IN ULONG TransferedLen, IN POHCI_TRANSFER OhciTransfer, OUT POHCI_HCD_TD TD, IN PUSBPORT_SCATTER_GATHER_LIST SGList)
Forms the next General Transfer Descriptor for the current transfer.
Definition: usbohci.c:1157
VOID NTAPI OHCI_EnableList(IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:81
POHCI_HCD_TD NTAPI OHCI_AllocateTD(IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:1233
#define OHCI_HCD_TD_FLAG_PROCESSED
Definition: usbohci.h:27
#define OHCI_TRANSFER_FLAGS_SHORT_TRANSFER_OK
Definition: usbohci.h:44

Referenced by OHCI_SubmitTransfer().

◆ OHCI_CheckController()

VOID NTAPI OHCI_CheckController ( IN PVOID  ohciExtension)

Definition at line 2118 of file usbohci.c.

2119{
2120 POHCI_EXTENSION OhciExtension = ohciExtension;
2121 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
2122 PULONG HcControlReg;
2123 OHCI_REG_CONTROL HcControl;
2124 ULONG FmNumber;
2125 USHORT FmDiff;
2126 POHCI_HCCA HcHCCA;
2127
2128 //DPRINT_OHCI("OHCI_CheckController: ...\n");
2129
2130 OperationalRegs = OhciExtension->OperationalRegs;
2131
2132 if (!OHCI_HardwarePresent(OhciExtension, TRUE))
2133 return;
2134
2135 HcControlReg = (PULONG)&OperationalRegs->HcControl;
2136 HcControl.AsULONG = READ_REGISTER_ULONG(HcControlReg);
2137
2139 return;
2140
2141 FmNumber = READ_REGISTER_ULONG(&OperationalRegs->HcFmNumber);
2142 FmDiff = (USHORT)(FmNumber - OhciExtension->HcdFmNumber);
2143
2144 if (FmNumber == 0 || FmDiff < 5)
2145 return;
2146
2147 HcHCCA = &OhciExtension->HcResourcesVA->HcHCCA;
2148 OhciExtension->HcdFmNumber = FmNumber;
2149
2150 if (HcHCCA->Pad1 == 0)
2151 {
2152 HcHCCA->Pad1 = 0xBAD1;
2153 return;
2154 }
2155
2156 DPRINT1("OHCI_CheckController: HcHCCA->Pad1 - %x\n", HcHCCA->Pad1);
2157
2158 if (HcHCCA->Pad1 == 0xBAD1)
2159 {
2160 HcHCCA->Pad1 = 0xBAD2;
2161 }
2162 else if (HcHCCA->Pad1 == 0xBAD2)
2163 {
2164 HcHCCA->Pad1 = 0xBAD3;
2165
2168 }
2169}
#define READ_REGISTER_ULONG(r)
Definition: arm.h:26
#define DPRINT1
Definition: precomp.h:8
#define OHCI_HC_STATE_OPERATIONAL
Definition: hardware.h:18
unsigned short USHORT
Definition: pedump.c:61
POHCI_HC_RESOURCES HcResourcesVA
Definition: usbohci.h:153
ULONG HcdFmNumber
Definition: usbohci.h:152
POHCI_OPERATIONAL_REGISTERS OperationalRegs
Definition: usbohci.h:149
USHORT Pad1
Definition: hardware.h:141
OHCI_HCCA HcHCCA
Definition: usbohci.h:114
OHCI_REG_CONTROL HcControl
Definition: hardware.h:312
PUSBPORT_INVALIDATE_CONTROLLER UsbPortInvalidateController
Definition: usbmport.h:623
uint32_t * PULONG
Definition: typedefs.h:59
ULONG HostControllerFunctionalState
Definition: hardware.h:156
#define USBPORT_INVALIDATE_CONTROLLER_RESET
Definition: usbmport.h:489
BOOLEAN NTAPI OHCI_HardwarePresent(IN POHCI_EXTENSION OhciExtension, IN BOOLEAN IsInvalidateController)
Definition: usbohci.c:994

Referenced by DriverEntry().

◆ OHCI_CloseEndpoint()

VOID NTAPI OHCI_CloseEndpoint ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint,
IN BOOLEAN  IsDoDisablePeriodic 
)

Definition at line 517 of file usbohci.c.

520{
521#if DBG
522 DPRINT1("OHCI_CloseEndpoint: Not supported\n");
523#endif
524 return;
525}

Referenced by DriverEntry().

◆ OHCI_ControlTransfer()

static MPSTATUS OHCI_ControlTransfer ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_ENDPOINT  OhciEndpoint,
IN PUSBPORT_TRANSFER_PARAMETERS  TransferParameters,
IN POHCI_TRANSFER  OhciTransfer,
IN PUSBPORT_SCATTER_GATHER_LIST  SGList 
)
static

Definition at line 1284 of file usbohci.c.

1289{
1290 POHCI_HCD_TD SetupTD;
1291 POHCI_HCD_TD TD;
1292 POHCI_HCD_TD PrevTD;
1293 ULONG MaxTDs;
1294 ULONG TransferedLen;
1295 UCHAR DataToggle;
1296
1297 DPRINT_OHCI("OHCI_ControlTransfer: Ext %p, Endpoint %p\n",
1298 OhciExtension,
1299 OhciEndpoint);
1300
1301 MaxTDs = OHCI_RemainTDs(OhciExtension, OhciEndpoint);
1302
1303 if ((SGList->SgElementCount + OHCI_NON_DATA_CONTROL_TDS) > MaxTDs)
1304 return MP_STATUS_FAILURE;
1305
1306 /* Form a setup packet first */
1307 SetupTD = OhciEndpoint->HcdTailP;
1308 RtlSecureZeroMemory(&SetupTD->HwTD, sizeof(SetupTD->HwTD));
1309
1311 SetupTD->OhciTransfer = OhciTransfer;
1312
1313 OhciTransfer->PendingTDs++;
1314
1315 RtlCopyMemory(&SetupTD->HwTD.SetupPacket,
1316 &TransferParameters->SetupPacket,
1317 sizeof(SetupTD->HwTD.SetupPacket));
1318
1319 SetupTD->HwTD.gTD.CurrentBuffer = SetupTD->PhysicalAddress + FIELD_OFFSET(OHCI_HCD_TD, HwTD.SetupPacket);
1320 SetupTD->HwTD.gTD.BufferEnd = SetupTD->PhysicalAddress + FIELD_OFFSET(OHCI_HCD_TD, HwTD.SetupPacket) +
1322 SetupTD->HwTD.gTD.Control.DelayInterrupt = OHCI_TD_INTERRUPT_NONE;
1323 SetupTD->HwTD.gTD.Control.ConditionCode = OHCI_TD_CONDITION_NOT_ACCESSED;
1324 SetupTD->HwTD.gTD.Control.DataToggle = OHCI_TD_DATA_TOGGLE_DATA0;
1325
1326 PrevTD = SetupTD;
1327
1328 /* Data packets follow a setup packet (if any) */
1329 TD = OHCI_AllocateTD(OhciExtension, OhciEndpoint);
1331 TD->OhciTransfer = OhciTransfer;
1332
1333 PrevTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
1334 PrevTD->NextTDVa = TD;
1335
1336 /* The first data packet should use DATA1, subsequent ones use DATA0 (OpenHCI spec, 4.3.1.3.4) */
1337 DataToggle = OHCI_TD_DATA_TOGGLE_DATA1;
1338 TransferedLen = 0;
1339
1340 while (TransferedLen < TransferParameters->TransferBufferLength)
1341 {
1342 OhciTransfer->PendingTDs++;
1343
1344 if (TransferParameters->TransferFlags & USBD_TRANSFER_DIRECTION_IN)
1345 TD->HwTD.gTD.Control.DirectionPID = OHCI_TD_DIRECTION_PID_IN;
1346 else
1347 TD->HwTD.gTD.Control.DirectionPID = OHCI_TD_DIRECTION_PID_OUT;
1348
1349 TD->HwTD.gTD.Control.DelayInterrupt = OHCI_TD_INTERRUPT_NONE;
1350 TD->HwTD.gTD.Control.ConditionCode = OHCI_TD_CONDITION_NOT_ACCESSED;
1351 TD->HwTD.gTD.Control.DataToggle = DataToggle;
1352
1353 TransferedLen = OHCI_MapTransferToTD(OhciExtension,
1354 TransferedLen,
1355 OhciTransfer,
1356 TD,
1357 SGList);
1358
1359 PrevTD = TD;
1360
1361 TD = OHCI_AllocateTD(OhciExtension, OhciEndpoint);
1362 TD->HwTD.gTD.Control.DelayInterrupt = OHCI_TD_INTERRUPT_NONE;
1364 TD->OhciTransfer = OhciTransfer;
1365
1366 PrevTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
1367 PrevTD->NextTDVa = TD;
1368
1369 DataToggle = OHCI_TD_DATA_TOGGLE_DATA0;
1370 }
1371
1372 if (TransferParameters->TransferFlags & USBD_SHORT_TRANSFER_OK)
1373 {
1374 PrevTD->HwTD.gTD.Control.BufferRounding = TRUE;
1375 OhciTransfer->Flags |= OHCI_TRANSFER_FLAGS_SHORT_TRANSFER_OK;
1376 }
1377
1378 /* After data packets, goes a status packet */
1379
1381 TD->TransferLen = 0;
1382
1383 if ((TransferParameters->TransferFlags & USBD_TRANSFER_DIRECTION_IN) != 0)
1384 {
1385 TD->HwTD.gTD.Control.BufferRounding = FALSE;
1386 TD->HwTD.gTD.Control.DirectionPID = OHCI_TD_DIRECTION_PID_OUT;
1387 }
1388 else
1389 {
1390 TD->HwTD.gTD.Control.BufferRounding = TRUE;
1391 TD->HwTD.gTD.Control.DirectionPID = OHCI_TD_DIRECTION_PID_IN;
1392 }
1393
1394 /* OpenHCI spec, 4.3.1.3.4 */
1395 TD->HwTD.gTD.Control.DataToggle = OHCI_TD_DATA_TOGGLE_DATA1;
1396 TD->HwTD.gTD.Control.ConditionCode = OHCI_TD_CONDITION_NOT_ACCESSED;
1397 TD->HwTD.gTD.Control.DelayInterrupt = OHCI_TD_INTERRUPT_IMMEDIATE;
1398
1399 OhciTransfer->PendingTDs++;
1400 OhciTransfer->ControlStatusTD = TD;
1401
1402 PrevTD = TD;
1403
1404 /* And the last descriptor, which is not used in the current transfer (OpenHCI spec, 4.6) */
1405 TD = OHCI_AllocateTD(OhciExtension, OhciEndpoint);
1406
1407 PrevTD->HwTD.gTD.NextTD = TD->PhysicalAddress;
1408 PrevTD->NextTDVa = TD;
1409
1410 TD->NextTDVa = NULL;
1411 /* TD->HwTD.gTD.NextTD = 0; */
1412
1413 OhciTransfer->NextTD = TD;
1414 OhciEndpoint->HcdTailP = TD;
1415
1416 OhciEndpoint->HcdED->HwED.TailPointer = TD->PhysicalAddress;
1417
1418 OHCI_EnableList(OhciExtension, OhciEndpoint);
1419
1420 return MP_STATUS_SUCCESS;
1421}
#define OHCI_TD_DATA_TOGGLE_DATA0
Definition: hardware.h:42
#define OHCI_TD_DATA_TOGGLE_DATA1
Definition: hardware.h:43
ULONG PendingTDs
Definition: usbohci.h:138
#define FIELD_OFFSET(t, f)
Definition: typedefs.h:255
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
struct _USB_DEFAULT_PIPE_SETUP_PACKET USB_DEFAULT_PIPE_SETUP_PACKET
#define OHCI_HCD_TD_FLAG_CONTROL_STATUS
Definition: usbohci.h:28
#define OHCI_NON_DATA_CONTROL_TDS
Definition: usbohci.h:42
unsigned char UCHAR
Definition: xmlstorage.h:181

Referenced by OHCI_SubmitTransfer().

◆ OHCI_DisableInterrupts()

VOID NTAPI OHCI_DisableInterrupts ( IN PVOID  ohciExtension)

Definition at line 2238 of file usbohci.c.

2239{
2240 POHCI_EXTENSION OhciExtension = ohciExtension;
2241 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
2242 PULONG InterruptDisableReg;
2244
2245 DPRINT_OHCI("OHCI_DisableInterrupts\n");
2246
2247 OperationalRegs = OhciExtension->OperationalRegs;
2248 InterruptDisableReg = (PULONG)&OperationalRegs->HcInterruptDisable;
2249
2250 /* Disable interrupt generation */
2251 IntDisable.AsULONG = 0;
2252 IntDisable.MasterInterruptEnable = 1;
2253
2254 WRITE_REGISTER_ULONG(InterruptDisableReg, IntDisable.AsULONG);
2255}
#define WRITE_REGISTER_ULONG(r, v)
Definition: arm.h:27
OHCI_REG_INTERRUPT_ENABLE_DISABLE HcInterruptDisable
Definition: hardware.h:316

Referenced by DriverEntry().

◆ OHCI_DumpHcdED()

VOID NTAPI OHCI_DumpHcdED ( POHCI_HCD_ED  ED)

Definition at line 38 of file usbohci.c.

39{
40 DPRINT("ED - %p\n", ED);
41 DPRINT("EndpointControl - %X\n", ED->HwED.EndpointControl.AsULONG);
42 DPRINT("TailPointer - %08X\n", ED->HwED.TailPointer);
43 DPRINT("HeadPointer - %08X\n", ED->HwED.HeadPointer);
44 DPRINT("NextED - %08X\n", ED->HwED.NextED);
45}
OHCI_ENDPOINT_CONTROL EndpointControl
Definition: hardware.h:130

Referenced by OHCI_PollAsyncEndpoint().

◆ OHCI_DumpHcdTD()

VOID NTAPI OHCI_DumpHcdTD ( POHCI_HCD_TD  TD)

Definition at line 49 of file usbohci.c.

50{
51 DPRINT("TD - %p\n", TD);
52 DPRINT("gTD.Control - %08X\n", TD->HwTD.gTD.Control.AsULONG);
53 if (TD->HwTD.gTD.CurrentBuffer)
54 DPRINT("gTD.CurrentBuffer - %08X\n", TD->HwTD.gTD.CurrentBuffer);
55 if (TD->HwTD.gTD.NextTD)
56 DPRINT("gTD.NextTD - %08X\n", TD->HwTD.gTD.NextTD);
57 if (TD->HwTD.gTD.BufferEnd)
58 DPRINT("gTD.BufferEnd - %08X\n", TD->HwTD.gTD.BufferEnd);
59
60 if (TD->HwTD.SetupPacket.bmRequestType.B)
61 DPRINT("bmRequestType - %02X\n", TD->HwTD.SetupPacket.bmRequestType.B);
62 if (TD->HwTD.SetupPacket.bRequest)
63 DPRINT("bRequest - %02X\n", TD->HwTD.SetupPacket.bRequest);
64 if (TD->HwTD.SetupPacket.wValue.W)
65 DPRINT("wValue - %04X\n", TD->HwTD.SetupPacket.wValue.W);
66 if (TD->HwTD.SetupPacket.wIndex.W)
67 DPRINT("wIndex - %04X\n", TD->HwTD.SetupPacket.wIndex.W);
68 if (TD->HwTD.SetupPacket.wLength)
69 DPRINT("wLength - %04X\n", TD->HwTD.SetupPacket.wLength);
70
71 DPRINT("PhysicalAddress - %p\n", TD->PhysicalAddress);
72 DPRINT("Flags - %X\n", TD->Flags);
73 DPRINT("OhciTransfer - %08X\n", TD->OhciTransfer);
74 DPRINT("NextTDVa - %08X\n", TD->NextTDVa);
75 if (TD->TransferLen)
76 DPRINT("TransferLen - %X\n", TD->TransferLen);
77}

Referenced by OHCI_PollAsyncEndpoint().

◆ OHCI_EnableInterrupts()

VOID NTAPI OHCI_EnableInterrupts ( IN PVOID  ohciExtension)

Definition at line 2216 of file usbohci.c.

2217{
2218 POHCI_EXTENSION OhciExtension = ohciExtension;
2219 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
2220 PULONG InterruptEnableReg;
2222
2223 DPRINT_OHCI("OHCI_EnableInterrupts: OhciExtension - %p\n",
2224 OhciExtension);
2225
2226 OperationalRegs = OhciExtension->OperationalRegs;
2227 InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
2228
2229 /* Enable interrupt generation */
2230 IntEnable.AsULONG = 0;
2231 IntEnable.MasterInterruptEnable = 1;
2232
2233 WRITE_REGISTER_ULONG(InterruptEnableReg, IntEnable.AsULONG);
2234}
OHCI_REG_INTERRUPT_ENABLE_DISABLE HcInterruptEnable
Definition: hardware.h:315

Referenced by DriverEntry().

◆ OHCI_EnableList()

VOID NTAPI OHCI_EnableList ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 81 of file usbohci.c.

83{
84 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
85 PULONG CommandStatusReg;
86 ULONG TransferType;
87 OHCI_REG_COMMAND_STATUS CommandStatus;
88
89 DPRINT_OHCI("OHCI_EnableList: ... \n");
90
91 OperationalRegs = OhciExtension->OperationalRegs;
92 CommandStatusReg = (PULONG)&OperationalRegs->HcCommandStatus;
93
94 CommandStatus.AsULONG = 0;
95
96 if (READ_REGISTER_ULONG((PULONG)&OperationalRegs->HcControlHeadED))
97 CommandStatus.ControlListFilled = 1;
98
99 if (READ_REGISTER_ULONG((PULONG)&OperationalRegs->HcBulkHeadED))
100 CommandStatus.BulkListFilled = 1;
101
102 TransferType = OhciEndpoint->EndpointProperties.TransferType;
103
104 if (TransferType == USBPORT_TRANSFER_TYPE_BULK)
105 CommandStatus.BulkListFilled = 1;
106 else if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL)
107 CommandStatus.ControlListFilled = 1;
108
109 WRITE_REGISTER_ULONG(CommandStatusReg, CommandStatus.AsULONG);
110}
if(dx< 0)
Definition: linetemp.h:194
OHCI_REG_COMMAND_STATUS HcCommandStatus
Definition: hardware.h:313
#define USBPORT_TRANSFER_TYPE_CONTROL
Definition: usbmport.h:8
#define USBPORT_TRANSFER_TYPE_BULK
Definition: usbmport.h:9

Referenced by OHCI_BulkOrInterruptTransfer(), OHCI_ControlTransfer(), OHCI_SetEndpointState(), and OHCI_SetEndpointStatus().

◆ OHCI_EndSendOnePacket()

MPSTATUS NTAPI OHCI_EndSendOnePacket ( IN PVOID  ohciExtension,
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 2457 of file usbohci.c.

2465{
2466 DPRINT1("OHCI_EndSendOnePacket: UNIMPLEMENTED. FIXME\n");
2467 return MP_STATUS_SUCCESS;
2468}

Referenced by DriverEntry().

◆ OHCI_FlushInterrupts()

VOID NTAPI OHCI_FlushInterrupts ( IN PVOID  uhciExtension)

Definition at line 2493 of file usbohci.c.

2494{
2495#if DBG
2496 DPRINT1("OHCI_FlushInterrupts: Not supported\n");
2497#endif
2498 return;
2499}

Referenced by DriverEntry().

◆ OHCI_Get32BitFrameNumber()

ULONG NTAPI OHCI_Get32BitFrameNumber ( IN PVOID  ohciExtension)

Definition at line 2173 of file usbohci.c.

2174{
2175 POHCI_EXTENSION OhciExtension = ohciExtension;
2176 POHCI_HCCA HcHCCA;
2177 ULONG fm;
2178 ULONG hp;
2179
2180 HcHCCA = &OhciExtension->HcResourcesVA->HcHCCA;
2181
2182 /* 5.4 FrameInterval Counter: Get32BitFrameNumber() */
2183
2184 hp = OhciExtension->FrameHighPart;
2185 fm = HcHCCA->FrameNumber;
2186
2187 DPRINT_OHCI("OHCI_Get32BitFrameNumber: hp - %lX, fm - %lX\n", hp, fm);
2188
2189 return ((fm & 0x7FFF) | hp) + ((fm ^ hp) & 0x8000);
2190}
ULONG FrameHighPart
Definition: usbohci.h:151
USHORT FrameNumber
Definition: hardware.h:140

Referenced by DriverEntry().

◆ OHCI_GetEndpointState()

ULONG NTAPI OHCI_GetEndpointState ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint 
)

Definition at line 1781 of file usbohci.c.

1783{
1784 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
1785 POHCI_HCD_ED ED;
1786
1787 DPRINT_OHCI("OHCI_GetEndpointState: ... \n");
1788
1789 ED = OhciEndpoint->HcdED;
1790
1793
1794 if (ED->HwED.EndpointControl.sKip)
1796
1798}
ULONG Flags
Definition: usbohci.h:86
#define USBPORT_ENDPOINT_REMOVE
Definition: usbmport.h:16
#define USBPORT_ENDPOINT_ACTIVE
Definition: usbmport.h:15
#define USBPORT_ENDPOINT_PAUSED
Definition: usbmport.h:14
#define OHCI_HCD_TD_FLAG_NOT_ACCESSED
Definition: usbohci.h:30

Referenced by DriverEntry().

◆ OHCI_GetEndpointStatus()

ULONG NTAPI OHCI_GetEndpointStatus ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint 
)

Definition at line 2287 of file usbohci.c.

2289{
2290 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
2291 POHCI_HCD_ED ED;
2292 ULONG EndpointStatus = USBPORT_ENDPOINT_RUN;
2293
2294 DPRINT_OHCI("OHCI_GetEndpointStatus: ... \n");
2295
2296 ED = OhciEndpoint->HcdED;
2297
2300 {
2301 EndpointStatus = USBPORT_ENDPOINT_HALT;
2302 }
2303
2304 return EndpointStatus;
2305}
#define OHCI_ED_HEAD_POINTER_HALT
Definition: hardware.h:124
#define USBPORT_ENDPOINT_RUN
Definition: usbmport.h:20
#define USBPORT_ENDPOINT_HALT
Definition: usbmport.h:21
#define OHCI_HCD_ED_FLAG_RESET_ON_HALT
Definition: usbohci.h:23

Referenced by DriverEntry().

◆ OHCI_HardwarePresent()

BOOLEAN NTAPI OHCI_HardwarePresent ( IN POHCI_EXTENSION  OhciExtension,
IN BOOLEAN  IsInvalidateController 
)

Definition at line 994 of file usbohci.c.

996{
997 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
998 PULONG CommandStatusReg;
999
1000 OperationalRegs = OhciExtension->OperationalRegs;
1001 CommandStatusReg = (PULONG)&OperationalRegs->HcCommandStatus;
1002
1003 if (READ_REGISTER_ULONG(CommandStatusReg) != 0xFFFFFFFF)
1004 return TRUE;
1005
1006 DPRINT1("OHCI_HardwarePresent: IsInvalidateController - %x\n",
1007 IsInvalidateController);
1008
1009 if (IsInvalidateController)
1010 {
1013 }
1014
1015 return FALSE;
1016}
#define USBPORT_INVALIDATE_CONTROLLER_SURPRISE_REMOVE
Definition: usbmport.h:490

Referenced by OHCI_CheckController(), and OHCI_InterruptService().

◆ OHCI_InitializeED()

POHCI_HCD_ED NTAPI OHCI_InitializeED ( IN POHCI_ENDPOINT  OhciEndpoint,
IN POHCI_HCD_ED  ED,
IN POHCI_HCD_TD  FirstTD,
IN ULONG_PTR  EdPA 
)

Definition at line 166 of file usbohci.c.

170{
171 OHCI_ENDPOINT_CONTROL EndpointControl;
172 PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties;
173
174 DPRINT_OHCI("OHCI_InitializeED: OhciEndpoint - %p, ED - %p, FirstTD - %p, EdPA - %p\n",
175 OhciEndpoint,
176 ED,
177 FirstTD,
178 EdPA);
179
180 RtlZeroMemory(ED, sizeof(OHCI_HCD_ED));
181
182 ED->PhysicalAddress = EdPA;
183
184 EndpointProperties = &OhciEndpoint->EndpointProperties;
185
186 EndpointControl = ED->HwED.EndpointControl;
187
188 EndpointControl.FunctionAddress = EndpointProperties->DeviceAddress;
189 EndpointControl.EndpointNumber = EndpointProperties->EndpointAddress;
190 EndpointControl.MaximumPacketSize = EndpointProperties->TotalMaxPacketSize;
191
192 if (EndpointProperties->TransferType == USBPORT_TRANSFER_TYPE_CONTROL)
193 {
195 }
196 else if (EndpointProperties->Direction)
197 {
199 }
200 else
201 {
203 }
204
205 if (EndpointProperties->DeviceSpeed == UsbLowSpeed)
206 EndpointControl.Speed = OHCI_ENDPOINT_LOW_SPEED;
207
208 if (EndpointProperties->TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
210 else
211 EndpointControl.sKip = 1;
212
213 ED->HwED.EndpointControl = EndpointControl;
214
215 ED->HwED.TailPointer = FirstTD->PhysicalAddress;
216 ED->HwED.HeadPointer = FirstTD->PhysicalAddress;
217
218 FirstTD->Flags |= OHCI_HCD_TD_FLAG_ALLOCATED;
219
220 OhciEndpoint->HcdTailP = FirstTD;
221 OhciEndpoint->HcdHeadP = FirstTD;
222
223 return ED;
224}
#define OHCI_ED_DATA_FLOW_DIRECTION_OUT
Definition: hardware.h:23
#define OHCI_ED_DATA_FLOW_DIRECTION_FROM_TD
Definition: hardware.h:22
#define OHCI_ENDPOINT_LOW_SPEED
Definition: hardware.h:27
#define OHCI_ENDPOINT_ISOCHRONOUS_FORMAT
Definition: hardware.h:30
#define OHCI_ED_DATA_FLOW_DIRECTION_IN
Definition: hardware.h:24
USB_DEVICE_SPEED DeviceSpeed
Definition: usbmport.h:73
@ UsbLowSpeed
Definition: usb200.h:42

Referenced by OHCI_OpenBulkEndpoint(), OHCI_OpenControlEndpoint(), and OHCI_OpenInterruptEndpoint().

◆ OHCI_InitializeTDs()

VOID NTAPI OHCI_InitializeTDs ( IN POHCI_ENDPOINT  OhciEndpoint,
IN PUSBPORT_ENDPOINT_PROPERTIES  EndpointProperties 
)

Definition at line 228 of file usbohci.c.

230{
231 POHCI_HCD_TD TdVA;
232 ULONG TdPA;
233 ULONG TdCount;
234 ULONG ix;
235
236 ASSERT(EndpointProperties->BufferLength > sizeof(OHCI_HCD_ED));
237
238 TdCount = (EndpointProperties->BufferLength - sizeof(OHCI_HCD_ED)) /
239 sizeof(OHCI_HCD_TD);
240
241 OhciEndpoint->MaxTransferDescriptors = TdCount;
242
243 DPRINT_OHCI("OHCI_InitializeTDs: TdCount - %x\n", TdCount);
244
245 ASSERT(TdCount > 0);
246
247 TdVA = OhciEndpoint->FirstTD;
248
249 TdPA = EndpointProperties->BufferPA + sizeof(OHCI_HCD_ED);
250
251 for (ix = 0; ix < TdCount; ix++)
252 {
253 DPRINT_OHCI("OHCI_InitializeTDs: TdVA - %p, TdPA - %08X\n", TdVA, TdPA);
254
255 RtlZeroMemory(TdVA, sizeof(OHCI_HCD_TD));
256
257 TdVA->PhysicalAddress = TdPA;
258 TdVA->Flags = 0;
259 TdVA->OhciTransfer = 0;
260
261 TdVA++;
262 TdPA += sizeof(OHCI_HCD_TD);
263 }
264}
struct _OHCI_HCD_ED OHCI_HCD_ED
struct _OHCI_HCD_TD OHCI_HCD_TD

Referenced by OHCI_OpenBulkEndpoint(), OHCI_OpenControlEndpoint(), and OHCI_OpenInterruptEndpoint().

◆ OHCI_InsertEndpointInSchedule()

VOID NTAPI OHCI_InsertEndpointInSchedule ( IN POHCI_ENDPOINT  OhciEndpoint)

Definition at line 114 of file usbohci.c.

115{
116 POHCI_STATIC_ED HeadED;
117 POHCI_HCD_ED ED;
118 POHCI_HCD_ED PrevED;
119 PLIST_ENTRY HeadLink;
120
121 DPRINT_OHCI("OHCI_InsertEndpointInSchedule: OhciEndpoint - %p\n",
122 OhciEndpoint);
123
124 ED = OhciEndpoint->HcdED;
125
126 HeadED = OhciEndpoint->HeadED;
127 HeadLink = &HeadED->Link;
128
129 if (IsListEmpty(HeadLink))
130 {
131 InsertHeadList(HeadLink, &ED->HcdEDLink);
132
133 if (HeadED->Type == OHCI_STATIC_ED_TYPE_CONTROL ||
135 {
136 ED->HwED.NextED = READ_REGISTER_ULONG(HeadED->pNextED);
138 }
139 else if (HeadED->Type == OHCI_STATIC_ED_TYPE_INTERRUPT)
140 {
141 ED->HwED.NextED = *HeadED->pNextED;
142 *HeadED->pNextED = ED->PhysicalAddress;
143 }
144 else
145 {
146 DPRINT1("OHCI_InsertEndpointInSchedule: Unknown HeadED->Type - %x\n",
147 HeadED->Type);
149 }
150 }
151 else
152 {
153 PrevED = CONTAINING_RECORD(HeadLink->Blink,
155 HcdEDLink);
156
157 InsertTailList(HeadLink, &ED->HcdEDLink);
158
159 ED->HwED.NextED = 0;
160 PrevED->HwED.NextED = ED->PhysicalAddress;
161 }
162}
#define InsertTailList(ListHead, Entry)
#define InsertHeadList(ListHead, Entry)
#define IsListEmpty(ListHead)
Definition: env_spec_w32.h:954
NTSYSAPI void WINAPI DbgBreakPoint(void)
Definition: typedefs.h:120
struct _LIST_ENTRY * Blink
Definition: typedefs.h:122
ULONG PhysicalAddress
Definition: usbohci.h:85
LIST_ENTRY HcdEDLink
Definition: usbohci.h:87
LIST_ENTRY Link
Definition: usbohci.h:107
PULONG pNextED
Definition: usbohci.h:109
#define CONTAINING_RECORD(address, type, field)
Definition: typedefs.h:260
#define OHCI_STATIC_ED_TYPE_INTERRUPT
Definition: usbohci.h:97
#define OHCI_STATIC_ED_TYPE_BULK
Definition: usbohci.h:99
#define OHCI_STATIC_ED_TYPE_CONTROL
Definition: usbohci.h:98

Referenced by OHCI_OpenBulkEndpoint(), OHCI_OpenControlEndpoint(), and OHCI_OpenInterruptEndpoint().

◆ OHCI_InterruptDpc()

VOID NTAPI OHCI_InterruptDpc ( IN PVOID  ohciExtension,
IN BOOLEAN  IsDoEnableInterrupts 
)

Definition at line 1075 of file usbohci.c.

1077{
1078 POHCI_EXTENSION OhciExtension = ohciExtension;
1079 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
1080 PULONG InterruptDisableReg;
1081 PULONG InterruptEnableReg;
1082 PULONG InterruptStatusReg;
1083 OHCI_REG_INTERRUPT_STATUS IntStatus;
1085 POHCI_HCCA HcHCCA;
1086
1087 OperationalRegs = OhciExtension->OperationalRegs;
1088
1089 InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
1090 InterruptDisableReg = (PULONG)&OperationalRegs->HcInterruptDisable;
1091 InterruptStatusReg = (PULONG)&OperationalRegs->HcInterruptStatus;
1092
1093 DPRINT_OHCI("OHCI_InterruptDpc: OhciExtension - %p, IsDoEnableInterrupts - %x\n",
1094 OhciExtension,
1095 IsDoEnableInterrupts);
1096
1097 IntStatus.AsULONG = READ_REGISTER_ULONG(InterruptStatusReg);
1098
1099 if (IntStatus.RootHubStatusChange)
1100 {
1101 DPRINT_OHCI("OHCI_InterruptDpc: RootHubStatusChange\n");
1102 RegPacket.UsbPortInvalidateRootHub(OhciExtension);
1103 }
1104
1105 if (IntStatus.WritebackDoneHead)
1106 {
1107 DPRINT_OHCI("OHCI_InterruptDpc: WritebackDoneHead\n");
1108
1109 HcHCCA = &OhciExtension->HcResourcesVA->HcHCCA;
1110 HcHCCA->DoneHead = 0;
1111
1113 }
1114
1115 if (IntStatus.StartofFrame)
1116 {
1117 /* Disable interrupt generation due to Start of Frame */
1118 InterruptBits.AsULONG = 0;
1119 InterruptBits.StartofFrame = 1;
1120
1121 WRITE_REGISTER_ULONG(InterruptDisableReg, InterruptBits.AsULONG);
1122 }
1123
1124 if (IntStatus.ResumeDetected)
1125 DPRINT1("OHCI_IntDpc: ResumeDetected\n");
1126
1127 if (IntStatus.UnrecoverableError)
1128 {
1129 DPRINT1("OHCI_IntDpc: UnrecoverableError\n");
1130 }
1131
1132 WRITE_REGISTER_ULONG(InterruptStatusReg, IntStatus.AsULONG);
1133
1134 if (IsDoEnableInterrupts)
1135 {
1136 /* Enable interrupt generation */
1137 InterruptBits.AsULONG = 0;
1138 InterruptBits.MasterInterruptEnable = 1;
1139
1140 WRITE_REGISTER_ULONG(InterruptEnableReg, InterruptBits.AsULONG);
1141 }
1142}
ULONG DoneHead
Definition: hardware.h:142
OHCI_REG_INTERRUPT_STATUS HcInterruptStatus
Definition: hardware.h:314
PUSBPORT_INVALIDATE_ROOT_HUB UsbPortInvalidateRootHub
Definition: usbmport.h:614
PUSBPORT_INVALIDATE_ENDPOINT UsbPortInvalidateEndpoint
Definition: usbmport.h:615

Referenced by DriverEntry().

◆ OHCI_InterruptNextSOF()

VOID NTAPI OHCI_InterruptNextSOF ( IN PVOID  ohciExtension)

Definition at line 2194 of file usbohci.c.

2195{
2196 POHCI_EXTENSION OhciExtension = ohciExtension;
2197 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
2198 PULONG InterruptEnableReg;
2200
2201 DPRINT_OHCI("OHCI_InterruptNextSOF: OhciExtension - %p\n",
2202 OhciExtension);
2203
2204 OperationalRegs = OhciExtension->OperationalRegs;
2205 InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
2206
2207 /* Enable interrupt generation due to Start of Frame */
2208 IntEnable.AsULONG = 0;
2209 IntEnable.StartofFrame = 1;
2210
2211 WRITE_REGISTER_ULONG(InterruptEnableReg, IntEnable.AsULONG);
2212}

Referenced by DriverEntry().

◆ OHCI_InterruptService()

BOOLEAN NTAPI OHCI_InterruptService ( IN PVOID  ohciExtension)

Definition at line 1020 of file usbohci.c.

1021{
1022 POHCI_EXTENSION OhciExtension = ohciExtension;
1023 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
1024 OHCI_REG_INTERRUPT_STATUS IntStatus;
1027 BOOLEAN HardwarePresent = FALSE;
1028
1029 DPRINT_OHCI("OHCI_Interrupt: Ext %p\n", OhciExtension);
1030
1031 OperationalRegs = OhciExtension->OperationalRegs;
1032
1033 HardwarePresent = OHCI_HardwarePresent(OhciExtension, FALSE);
1034
1035 if (!HardwarePresent)
1036 return FALSE;
1037
1038 IntEnable.AsULONG = READ_REGISTER_ULONG((PULONG)&OperationalRegs->HcInterruptEnable);
1039 IntStatus.AsULONG = READ_REGISTER_ULONG((PULONG)&OperationalRegs->HcInterruptStatus) & IntEnable.AsULONG;
1040
1041 if ((IntStatus.AsULONG == 0) || (IntEnable.MasterInterruptEnable == 0))
1042 return FALSE;
1043
1044 if (IntStatus.UnrecoverableError)
1045 DPRINT1("OHCI_InterruptService: IntStatus.UnrecoverableError\n");
1046
1047 if (IntStatus.FrameNumberOverflow)
1048 {
1049 POHCI_HCCA HcHCCA;
1050 ULONG fm;
1051 ULONG hp;
1052
1053 HcHCCA = &OhciExtension->HcResourcesVA->HcHCCA;
1054
1055 DPRINT("FrameNumberOverflow %lX\n", HcHCCA->FrameNumber);
1056
1057 hp = OhciExtension->FrameHighPart;
1058 fm = HcHCCA->FrameNumber;
1059
1060 /* Increment value of FrameHighPart */
1061 OhciExtension->FrameHighPart += 1 * (1 << 16) - ((hp ^ fm) & 0x8000);
1062 }
1063
1064 /* Disable interrupt generation */
1065 IntDisable.AsULONG = 0;
1066 IntDisable.MasterInterruptEnable = 1;
1068 IntDisable.AsULONG);
1069
1070 return TRUE;
1071}

Referenced by DriverEntry().

◆ OHCI_MapTransferToTD()

static ULONG OHCI_MapTransferToTD ( IN POHCI_EXTENSION  OhciExtension,
IN ULONG  TransferedLen,
IN POHCI_TRANSFER  OhciTransfer,
OUT POHCI_HCD_TD  TD,
IN PUSBPORT_SCATTER_GATHER_LIST  SGList 
)
static

Forms the next General Transfer Descriptor for the current transfer.

Parameters
[in]OhciExtensionThe ohci extension
[in]TransferedLenThe consolidated length of all previous descriptors' buffers
[in]OhciTransferThe ohci transfer
[out]TDThe transfer descriptor we are forming
[in]SGListThe scatter/gather list
Returns
The length of all previous buffers summed with the length of the current buffer

Definition at line 1157 of file usbohci.c.

1162{
1164 ULONG SgIdx, CurrentTransferLen, BufferEnd, CurrentBuffer;
1165 ULONG TransferDataLeft = OhciTransfer->TransferParameters->TransferBufferLength - TransferedLen;
1166
1167 DPRINT_OHCI("OHCI_MapTransferToTD: TransferedLen - %x\n", TransferedLen);
1168
1169 for (SgIdx = 0; SgIdx < SGList->SgElementCount; SgIdx++)
1170 {
1171 SgElement = &SGList->SgElement[SgIdx];
1172
1173 if (TransferedLen >= SgElement->SgOffset &&
1174 TransferedLen < SgElement->SgOffset + SgElement->SgTransferLength)
1175 {
1176 break;
1177 }
1178 }
1179
1180 DPRINT_OHCI("OHCI_MapTransferToTD: SgIdx - %x, SgCount - %x\n",
1181 SgIdx,
1182 SGList->SgElementCount);
1183
1184 ASSERT(SgIdx < SGList->SgElementCount);
1185 ASSERT(TransferedLen == SgElement->SgOffset);
1186
1187 /* The buffer for a TD can be 0 to 8192 bytes long,
1188 * and can span within mo more than two 4k pages (see OpenHCI spec 3.3.2)
1189 * CurrentBuffer - the (physical) address of the first byte in the buffer
1190 * BufferEnd - the address of the last byte in the buffer. It can be on a different physical 4k page
1191 * when a controller will reach the end of a page from CurrentBuffer, it will take the first 20 bits
1192 * of the BufferEnd as a next address (OpenHCI spec, 4.3.1.3.1)
1193 */
1194
1196
1197 if (TransferDataLeft <= SgElement->SgTransferLength)
1198 {
1199 CurrentTransferLen = TransferDataLeft;
1200 BufferEnd = SgElement->SgPhysicalAddress.LowPart + CurrentTransferLen - 1;
1201 }
1202 else
1203 {
1204 PUSBPORT_SCATTER_GATHER_ELEMENT SgNextElement;
1205 ASSERT(SGList->SgElementCount - SgIdx > 1);
1206
1207 SgNextElement = &SGList->SgElement[SgIdx + 1];
1208
1209 TransferDataLeft -= SgElement->SgTransferLength;
1210 CurrentTransferLen = SgElement->SgTransferLength;
1211
1212 if (TransferDataLeft <= SgNextElement->SgTransferLength)
1213 {
1214 CurrentTransferLen += TransferDataLeft;
1215 BufferEnd = SgNextElement->SgPhysicalAddress.LowPart + TransferDataLeft - 1;
1216 }
1217 else
1218 {
1219 CurrentTransferLen += SgNextElement->SgTransferLength;
1220 BufferEnd = SgNextElement->SgPhysicalAddress.LowPart + SgNextElement->SgTransferLength - 1;
1221 }
1222 }
1223
1224 TD->HwTD.gTD.CurrentBuffer = CurrentBuffer;
1225 TD->HwTD.gTD.BufferEnd = BufferEnd;
1226 TD->TransferLen = CurrentTransferLen;
1227
1228 return TransferedLen + CurrentTransferLen;
1229}
static ACPI_BUFFER CurrentBuffer
PHYSICAL_ADDRESS SgPhysicalAddress
Definition: usbmport.h:107
ULONG LowPart
Definition: typedefs.h:106
_In_ PUCHAR BufferEnd
Definition: usbdlib.h:189

Referenced by OHCI_BulkOrInterruptTransfer(), and OHCI_ControlTransfer().

◆ OHCI_OpenBulkEndpoint()

MPSTATUS NTAPI OHCI_OpenBulkEndpoint ( IN POHCI_EXTENSION  OhciExtension,
IN PUSBPORT_ENDPOINT_PROPERTIES  EndpointProperties,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 298 of file usbohci.c.

301{
302 POHCI_HCD_ED ED;
303
304 DPRINT_OHCI("OHCI_OpenBulkEndpoint: ... \n");
305
306 ED = (POHCI_HCD_ED)EndpointProperties->BufferVA;
307
308 OhciEndpoint->FirstTD = (POHCI_HCD_TD)((ULONG_PTR)ED + sizeof(OHCI_HCD_ED));
309 OhciEndpoint->HeadED = &OhciExtension->BulkStaticED;
310
311 OHCI_InitializeTDs(OhciEndpoint, EndpointProperties);
312
313 OhciEndpoint->HcdED = OHCI_InitializeED(OhciEndpoint,
314 ED,
315 OhciEndpoint->FirstTD,
316 EndpointProperties->BufferPA);
317
318 OHCI_InsertEndpointInSchedule(OhciEndpoint);
319
320 return MP_STATUS_SUCCESS;
321}
#define ULONG_PTR
Definition: config.h:101
VOID NTAPI OHCI_InitializeTDs(IN POHCI_ENDPOINT OhciEndpoint, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties)
Definition: usbohci.c:228
VOID NTAPI OHCI_InsertEndpointInSchedule(IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:114
POHCI_HCD_ED NTAPI OHCI_InitializeED(IN POHCI_ENDPOINT OhciEndpoint, IN POHCI_HCD_ED ED, IN POHCI_HCD_TD FirstTD, IN ULONG_PTR EdPA)
Definition: usbohci.c:166
struct _OHCI_HCD_ED * POHCI_HCD_ED

Referenced by OHCI_OpenEndpoint().

◆ OHCI_OpenControlEndpoint()

MPSTATUS NTAPI OHCI_OpenControlEndpoint ( IN POHCI_EXTENSION  OhciExtension,
IN PUSBPORT_ENDPOINT_PROPERTIES  EndpointProperties,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 268 of file usbohci.c.

271{
272 POHCI_HCD_ED ED;
273
274 DPRINT_OHCI("OHCI_OpenControlEndpoint: ... \n");
275
276 ED = (POHCI_HCD_ED)EndpointProperties->BufferVA;
277
278 OhciEndpoint->FirstTD = (POHCI_HCD_TD)((ULONG_PTR)ED + sizeof(OHCI_HCD_ED));
279 OhciEndpoint->HeadED = &OhciExtension->ControlStaticED;
280
281 OHCI_InitializeTDs(OhciEndpoint, EndpointProperties);
282
283 OhciEndpoint->HcdED = OHCI_InitializeED(OhciEndpoint,
284 ED,
285 OhciEndpoint->FirstTD,
286 EndpointProperties->BufferPA);
287
288 OhciEndpoint->HcdED->Flags = OHCI_HCD_ED_FLAG_CONTROL |
290
291 OHCI_InsertEndpointInSchedule(OhciEndpoint);
292
293 return MP_STATUS_SUCCESS;
294}
#define OHCI_HCD_ED_FLAG_CONTROL
Definition: usbohci.h:22

Referenced by OHCI_OpenEndpoint().

◆ OHCI_OpenEndpoint()

MPSTATUS NTAPI OHCI_OpenEndpoint ( IN PVOID  ohciExtension,
IN PUSBPORT_ENDPOINT_PROPERTIES  EndpointProperties,
IN PVOID  ohciEndpoint 
)

Definition at line 386 of file usbohci.c.

389{
390 POHCI_EXTENSION OhciExtension = ohciExtension;
391 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
392 ULONG TransferType;
393 MPSTATUS MPStatus;
394
395 DPRINT_OHCI("OHCI_OpenEndpoint: ... \n");
396
397 RtlCopyMemory(&OhciEndpoint->EndpointProperties,
398 EndpointProperties,
399 sizeof(OhciEndpoint->EndpointProperties));
400
401 InitializeListHead(&OhciEndpoint->TDList);
402
403 TransferType = EndpointProperties->TransferType;
404
405 switch (TransferType)
406 {
408 MPStatus = OHCI_OpenIsoEndpoint(OhciExtension,
409 EndpointProperties,
410 OhciEndpoint);
411 break;
412
414 MPStatus = OHCI_OpenControlEndpoint(OhciExtension,
415 EndpointProperties,
416 OhciEndpoint);
417 break;
418
420 MPStatus = OHCI_OpenBulkEndpoint(OhciExtension,
421 EndpointProperties,
422 OhciEndpoint);
423 break;
424
426 MPStatus = OHCI_OpenInterruptEndpoint(OhciExtension,
427 EndpointProperties,
428 OhciEndpoint);
429 break;
430
431 default:
432 MPStatus = MP_STATUS_NOT_SUPPORTED;
433 break;
434 }
435
436 return MPStatus;
437}
#define InitializeListHead(ListHead)
Definition: env_spec_w32.h:944
LIST_ENTRY TDList
Definition: usbohci.h:130
ULONG MPSTATUS
Definition: usbmport.h:131
#define USBPORT_TRANSFER_TYPE_INTERRUPT
Definition: usbmport.h:10
#define MP_STATUS_NOT_SUPPORTED
Definition: usbmport.h:140
MPSTATUS NTAPI OHCI_OpenBulkEndpoint(IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:298
MPSTATUS NTAPI OHCI_OpenControlEndpoint(IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:268
MPSTATUS NTAPI OHCI_OpenInterruptEndpoint(IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:325
MPSTATUS NTAPI OHCI_OpenIsoEndpoint(IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:376

Referenced by DriverEntry().

◆ OHCI_OpenInterruptEndpoint()

MPSTATUS NTAPI OHCI_OpenInterruptEndpoint ( IN POHCI_EXTENSION  OhciExtension,
IN PUSBPORT_ENDPOINT_PROPERTIES  EndpointProperties,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 325 of file usbohci.c.

328{
330 ULONG PeriodIdx = 0;
331 POHCI_HCD_ED ED;
332 ULONG ScheduleOffset;
333
334 DPRINT_OHCI("OHCI_OpenInterruptEndpoint: ... \n");
335
336 ED = (POHCI_HCD_ED)EndpointProperties->BufferVA;
337
338 OhciEndpoint->FirstTD = (POHCI_HCD_TD)((ULONG_PTR)ED + sizeof(OHCI_HCD_ED));
339
340 Period = EndpointProperties->Period;
341
342 ASSERT(Period != 0);
343
344 while (!(Period & 1))
345 {
346 PeriodIdx++;
347 Period >>= 1;
348 }
349
350 ASSERT(PeriodIdx < ARRAYSIZE(Index));
351
352 ScheduleOffset = EndpointProperties->ScheduleOffset;
353 DPRINT_OHCI("OHCI_OpenInterruptEndpoint: InitTD. Index[PeriodIdx] - %x, ScheduleOffset - %x\n",
354 Index[PeriodIdx],
355 ScheduleOffset);
356
357 OhciEndpoint->HeadED = &OhciExtension->IntStaticED[Index[PeriodIdx] +
358 ScheduleOffset];
359
360 //OhciEndpoint->HeadED->UsbBandwidth += EndpointProperties->UsbBandwidth;
361
362 OHCI_InitializeTDs(OhciEndpoint, EndpointProperties);
363
364 OhciEndpoint->HcdED = OHCI_InitializeED(OhciEndpoint,
365 ED,
366 OhciEndpoint->FirstTD,
367 EndpointProperties->BufferPA);
368
369 OHCI_InsertEndpointInSchedule(OhciEndpoint);
370
371 return MP_STATUS_SUCCESS;
372}
#define ARRAYSIZE(array)
Definition: filtermapper.c:47
_In_ WDFCOLLECTION _In_ ULONG Index
_In_ LARGE_INTEGER _In_ ULONG Period
Definition: kefuncs.h:1313

Referenced by OHCI_OpenEndpoint().

◆ OHCI_OpenIsoEndpoint()

MPSTATUS NTAPI OHCI_OpenIsoEndpoint ( IN POHCI_EXTENSION  OhciExtension,
IN PUSBPORT_ENDPOINT_PROPERTIES  EndpointProperties,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 376 of file usbohci.c.

379{
380 DPRINT1("OHCI_OpenIsoEndpoint: UNIMPLEMENTED. FIXME\n");
382}

Referenced by OHCI_OpenEndpoint().

◆ OHCI_PassThru()

MPSTATUS NTAPI OHCI_PassThru ( IN PVOID  ohciExtension,
IN PVOID  passThruParameters,
IN ULONG  ParameterLength,
IN PVOID  pParameters 
)

Definition at line 2472 of file usbohci.c.

2476{
2477 DPRINT1("OHCI_PassThru: UNIMPLEMENTED. FIXME\n");
2478 return MP_STATUS_SUCCESS;
2479}

Referenced by DriverEntry().

◆ OHCI_PollAsyncEndpoint()

VOID NTAPI OHCI_PollAsyncEndpoint ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 1885 of file usbohci.c.

1887{
1888 PUSBPORT_TRANSFER_PARAMETERS TransferParameters;
1889 POHCI_HCD_ED ED;
1890 ULONG_PTR NextTdPA;
1891 POHCI_HCD_TD NextTD;
1892 POHCI_HCD_TD TD;
1893 PLIST_ENTRY DoneList;
1894 POHCI_TRANSFER OhciTransfer;
1895 POHCI_HCD_TD ControlStatusTD;
1897 ULONG TransferNumber;
1898 POHCI_TRANSFER transfer;
1899 UCHAR ConditionCode;
1900 BOOLEAN IsResetOnHalt = FALSE;
1901
1902 //DPRINT_OHCI("OHCI_PollAsyncEndpoint: Endpoint - %p\n", OhciEndpoint);
1903
1904 ED = OhciEndpoint->HcdED;
1906
1907 if (!NextTdPA)
1908 {
1909 OHCI_DumpHcdED(ED);
1910 DbgBreakPoint();
1911 }
1912
1913 NextTD = RegPacket.UsbPortGetMappedVirtualAddress(NextTdPA,
1914 OhciExtension,
1915 OhciEndpoint);
1916 DPRINT_OHCI("NextTD - %p\n", NextTD);
1917
1919 goto ProcessListTDs;
1920
1921 OHCI_DumpHcdED(ED);
1922
1923 IsResetOnHalt = (ED->Flags & OHCI_HCD_ED_FLAG_RESET_ON_HALT) != 0;
1924 DPRINT1("PollAsyncEndpoint: IsResetOnHalt %x\n", IsResetOnHalt);
1925
1926 for (TD = OhciEndpoint->HcdHeadP; ; TD = TD->NextTDVa)
1927 {
1928 if (!TD)
1929 {
1930 OHCI_DumpHcdED(ED);
1931 DbgBreakPoint();
1932 }
1933
1934 if (TD == NextTD)
1935 {
1936 DPRINT("TD == NextTD - %p\n", TD);
1937 goto HandleDoneList;
1938 }
1939
1940 OhciTransfer = TD->OhciTransfer;
1941 ConditionCode = TD->HwTD.gTD.Control.ConditionCode;
1942
1943 DPRINT("TD - %p, ConditionCode - %X\n", TD, ConditionCode);
1944 OHCI_DumpHcdTD(TD);
1945
1946 switch (ConditionCode)
1947 {
1950 InsertTailList(&OhciEndpoint->TDList, &TD->DoneLink);
1951 continue;
1952
1955 InsertTailList(&OhciEndpoint->TDList, &TD->DoneLink);
1956 continue;
1957
1959 DPRINT1("DATA_UNDERRUN. Transfer->Flags - %X\n", OhciTransfer->Flags);
1960
1961 if (OhciTransfer->Flags & OHCI_TRANSFER_FLAGS_SHORT_TRANSFER_OK)
1962 {
1963 IsResetOnHalt = TRUE;
1964 TD->HwTD.gTD.Control.ConditionCode = OHCI_TD_CONDITION_NO_ERROR;
1965
1966 ControlStatusTD = OhciTransfer->ControlStatusTD;
1967
1968 if ((TD->Flags & OHCI_HCD_TD_FLAG_CONTROL_STATUS) == 0 &&
1969 ControlStatusTD)
1970 {
1971 PhysicalAddress = ControlStatusTD->PhysicalAddress;
1974
1976
1977 NextTD = OhciTransfer->ControlStatusTD;
1978 DPRINT("PhysicalAddress - %p, NextTD - %p\n", PhysicalAddress, NextTD);
1979 }
1980 else
1981 {
1982 TransferParameters = OhciTransfer->TransferParameters;
1983
1984 if (TransferParameters->IsTransferSplited)
1985 {
1986 TransferNumber = TransferParameters->TransferCounter;
1987 transfer = OhciTransfer;
1988
1989 do
1990 {
1991 transfer = transfer->NextTD->OhciTransfer;
1992 NextTD = transfer->NextTD;
1993 }
1994 while (transfer && TransferNumber ==
1996
2000
2002 DPRINT("PhysicalAddress - %p, NextTD - %p\n", PhysicalAddress, NextTD);
2003 }
2004 else
2005 {
2006 PhysicalAddress = OhciTransfer->NextTD->PhysicalAddress;
2009
2011
2012 NextTD = OhciTransfer->NextTD;
2013 DPRINT("PhysicalAddress - %p, NextTD - %p\n", PhysicalAddress, NextTD);
2014 }
2015 }
2016
2018 InsertTailList(&OhciEndpoint->TDList, &TD->DoneLink);
2019 continue;
2020 }
2021
2022 /* fall through */
2023
2024 default:
2026 InsertTailList(&OhciEndpoint->TDList, &TD->DoneLink);
2027
2028 ED->HwED.HeadPointer = OhciTransfer->NextTD->PhysicalAddress |
2029 (ED->HwED.HeadPointer &
2031
2032 NextTD = OhciTransfer->NextTD;
2033 break;
2034 }
2035 }
2036
2037ProcessListTDs:
2038
2039 TD = OhciEndpoint->HcdHeadP;
2040
2041 while (TD != NextTD)
2042 {
2043 OHCI_DumpHcdTD(TD);
2045 InsertTailList(&OhciEndpoint->TDList, &TD->DoneLink);
2046 TD = TD->NextTDVa;
2047 }
2048
2049HandleDoneList:
2050
2051 TD = NextTD;
2052 OhciEndpoint->HcdHeadP = NextTD;
2053
2054 DoneList = &OhciEndpoint->TDList;
2055
2056 while (!IsListEmpty(DoneList))
2057 {
2058 TD = CONTAINING_RECORD(DoneList->Flink,
2060 DoneLink);
2061
2062 RemoveHeadList(DoneList);
2063
2064 if (TD->Flags & OHCI_HCD_TD_FLAG_DONE &&
2066 {
2067 OHCI_ProcessDoneTD(OhciExtension, TD, TRUE);
2068 }
2069 }
2070
2071 if (IsResetOnHalt)
2072 {
2073 ED->HwED.HeadPointer &= ~OHCI_ED_HEAD_POINTER_HALT;
2074 DPRINT("ED->HwED.HeadPointer - %p\n", ED->HwED.HeadPointer);
2075 }
2076}
#define OHCI_TD_CONDITION_NO_ERROR
Definition: hardware.h:45
#define OHCI_TD_CONDITION_DATA_UNDERRUN
Definition: hardware.h:54
#define OHCI_ED_HEAD_POINTER_FLAGS_MASK
Definition: hardware.h:127
#define RemoveHeadList(ListHead)
Definition: env_spec_w32.h:964
struct _LIST_ENTRY * Flink
Definition: typedefs.h:121
LIST_ENTRY DoneLink
Definition: usbohci.h:71
ULONG Flags
Definition: usbohci.h:139
POHCI_HCD_TD ControlStatusTD
Definition: usbohci.h:143
PUSBPORT_TRANSFER_PARAMETERS TransferParameters
Definition: usbohci.h:137
uint32_t ULONG_PTR
Definition: typedefs.h:65
VOID NTAPI OHCI_DumpHcdTD(POHCI_HCD_TD TD)
Definition: usbohci.c:49
VOID NTAPI OHCI_DumpHcdED(POHCI_HCD_ED ED)
Definition: usbohci.c:38
#define OHCI_HCD_TD_FLAG_DONE
Definition: usbohci.h:29
_Must_inspect_result_ typedef _In_ PHYSICAL_ADDRESS PhysicalAddress
Definition: iotypes.h:1098

Referenced by OHCI_PollEndpoint().

◆ OHCI_PollController()

VOID NTAPI OHCI_PollController ( IN PVOID  ohciExtension)

Definition at line 2259 of file usbohci.c.

2260{
2261 DPRINT1("OHCI_PollController: UNIMPLEMENTED. FIXME\n");
2262}

Referenced by DriverEntry().

◆ OHCI_PollEndpoint()

VOID NTAPI OHCI_PollEndpoint ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint 
)

Definition at line 2089 of file usbohci.c.

2091{
2092 POHCI_EXTENSION OhciExtension = ohciExtension;
2093 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
2094 ULONG TransferType;
2095
2096 DPRINT_OHCI("OHCI_PollEndpoint: OhciExtension - %p, Endpoint - %p\n",
2097 OhciExtension,
2098 OhciEndpoint);
2099
2100 TransferType = OhciEndpoint->EndpointProperties.TransferType;
2101
2102 if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
2103 {
2104 OHCI_PollIsoEndpoint(OhciExtension, OhciEndpoint);
2105 return;
2106 }
2107
2108 if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL ||
2109 TransferType == USBPORT_TRANSFER_TYPE_BULK ||
2110 TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
2111 {
2112 OHCI_PollAsyncEndpoint(OhciExtension, OhciEndpoint);
2113 }
2114}
VOID NTAPI OHCI_PollAsyncEndpoint(IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:1885
VOID NTAPI OHCI_PollIsoEndpoint(IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:2080

Referenced by DriverEntry().

◆ OHCI_PollIsoEndpoint()

VOID NTAPI OHCI_PollIsoEndpoint ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 2080 of file usbohci.c.

2082{
2083 DPRINT1("OHCI_PollAsyncEndpoint: UNIMPLEMENTED. FIXME \n");
2084 ASSERT(FALSE);
2085}

Referenced by OHCI_PollEndpoint().

◆ OHCI_ProcessDoneIsoTD()

VOID NTAPI OHCI_ProcessDoneIsoTD ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_HCD_TD  TD,
IN BOOLEAN  IsPortComplete 
)

Definition at line 1656 of file usbohci.c.

1659{
1660 DPRINT1("OHCI_ProcessDoneIsoTD: UNIMPLEMENTED. FIXME\n");
1661}

Referenced by OHCI_AbortTransfer().

◆ OHCI_ProcessDoneTD()

VOID NTAPI OHCI_ProcessDoneTD ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_HCD_TD  TD,
IN BOOLEAN  IsPortComplete 
)

Definition at line 1585 of file usbohci.c.

1588{
1589 POHCI_TRANSFER OhciTransfer;
1590 POHCI_ENDPOINT OhciEndpoint;
1591 ULONG Buffer;
1593 ULONG Length;
1594
1595 DPRINT_OHCI("OHCI_ProcessDoneTD: ... \n");
1596
1597 OhciTransfer = TD->OhciTransfer;
1598 OhciEndpoint = OhciTransfer->OhciEndpoint;
1599
1600 OhciTransfer->PendingTDs--;
1601
1602 Buffer = TD->HwTD.gTD.CurrentBuffer;
1603 BufferEnd = TD->HwTD.gTD.BufferEnd;
1604
1605 if (TD->Flags & OHCI_HCD_TD_FLAG_NOT_ACCESSED)
1606 {
1607 TD->HwTD.gTD.Control.ConditionCode = OHCI_TD_CONDITION_NO_ERROR;
1608 }
1609 else
1610 {
1611 if (TD->HwTD.gTD.CurrentBuffer)
1612 {
1613 if (TD->TransferLen)
1614 {
1615 Length = (BufferEnd & (PAGE_SIZE - 1)) -
1616 (Buffer & (PAGE_SIZE - 1));
1617
1618 Length++;
1619
1621 Length += PAGE_SIZE;
1622
1623 TD->TransferLen -= Length;
1624 }
1625 }
1626
1627 if (TD->HwTD.gTD.Control.DirectionPID != OHCI_TD_DIRECTION_PID_SETUP)
1628 OhciTransfer->TransferLen += TD->TransferLen;
1629
1630 if (TD->HwTD.gTD.Control.ConditionCode)
1631 {
1632 OhciTransfer->USBDStatus = USBD_STATUS_HALTED |
1633 TD->HwTD.gTD.Control.ConditionCode;
1634 }
1635 }
1636
1637 TD->Flags = 0;
1638 TD->HwTD.gTD.NextTD = 0;
1639 TD->OhciTransfer = 0;
1640
1641 TD->DoneLink.Flink = NULL;
1642 TD->DoneLink.Blink = NULL;
1643
1644 if (IsPortComplete && (OhciTransfer->PendingTDs == 0))
1645 {
1646 RegPacket.UsbPortCompleteTransfer(OhciExtension,
1647 OhciEndpoint,
1648 OhciTransfer->TransferParameters,
1649 OhciTransfer->USBDStatus,
1650 OhciTransfer->TransferLen);
1651 }
1652}
Definition: bufpool.h:45
#define OHCI_TD_DIRECTION_PID_SETUP
Definition: hardware.h:36
#define PAGE_SIZE
Definition: env_spec_w32.h:49
#define PAGE_SHIFT
Definition: env_spec_w32.h:45
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
POHCI_ENDPOINT OhciEndpoint
Definition: usbohci.h:141
USBD_STATUS USBDStatus
Definition: usbohci.h:140
PUSBPORT_COMPLETE_TRANSFER UsbPortCompleteTransfer
Definition: usbmport.h:616
#define USBD_STATUS_HALTED
Definition: usbdi.h:48

Referenced by OHCI_AbortTransfer(), and OHCI_PollAsyncEndpoint().

◆ OHCI_QueryEndpointRequirements()

VOID NTAPI OHCI_QueryEndpointRequirements ( IN PVOID  ohciExtension,
IN PUSBPORT_ENDPOINT_PROPERTIES  EndpointProperties,
IN PUSBPORT_ENDPOINT_REQUIREMENTS  EndpointRequirements 
)

Definition at line 467 of file usbohci.c.

470{
471 ULONG TransferType;
472
473 DPRINT_OHCI("OHCI_QueryEndpointRequirements: ... \n");
474
475 TransferType = EndpointProperties->TransferType;
476
477 switch (TransferType)
478 {
480 DPRINT_OHCI("OHCI_QueryEndpointRequirements: IsoTransfer\n");
481 EndpointRequirements->MaxTransferSize = OHCI_MAX_ISO_TRANSFER_SIZE;
482 EndpointRequirements->HeaderBufferSize =
484 break;
485
487 DPRINT_OHCI("OHCI_QueryEndpointRequirements: ControlTransfer\n");
488 EndpointRequirements->MaxTransferSize = OHCI_MAX_CONTROL_TRANSFER_SIZE;
489 EndpointRequirements->HeaderBufferSize =
491 break;
492
494 DPRINT_OHCI("OHCI_QueryEndpointRequirements: BulkTransfer\n");
495 EndpointRequirements->MaxTransferSize = OHCI_MAX_BULK_TRANSFER_SIZE;
496 EndpointRequirements->HeaderBufferSize =
498 break;
499
501 DPRINT_OHCI("OHCI_QueryEndpointRequirements: InterruptTransfer\n");
502 EndpointRequirements->MaxTransferSize = OHCI_MAX_INTERRUPT_TRANSFER_SIZE;
503 EndpointRequirements->HeaderBufferSize =
505 break;
506
507 default:
508 DPRINT1("OHCI_QueryEndpointRequirements: Unknown TransferType - %x\n",
509 TransferType);
511 break;
512 }
513}
#define OHCI_MAX_INTERRUPT_TRANSFER_SIZE
Definition: usbohci.h:35
#define OHCI_MAX_ISO_TD_COUNT
Definition: usbohci.h:37
#define OHCI_MAX_BULK_TRANSFER_SIZE
Definition: usbohci.h:34
#define OHCI_MAX_CONTROL_TRANSFER_SIZE
Definition: usbohci.h:33
#define OHCI_MAX_ISO_TRANSFER_SIZE
Definition: usbohci.h:32
#define OHCI_MAX_INTERRUPT_TD_COUNT
Definition: usbohci.h:40
#define OHCI_MAX_CONTROL_TD_COUNT
Definition: usbohci.h:38
#define OHCI_MAX_BULK_TD_COUNT
Definition: usbohci.h:39

Referenced by DriverEntry().

◆ OHCI_RemainTDs()

ULONG NTAPI OHCI_RemainTDs ( IN POHCI_EXTENSION  OhciExtension,
IN POHCI_ENDPOINT  OhciEndpoint 
)

Definition at line 1256 of file usbohci.c.

1258{
1259 POHCI_HCD_TD TD;
1260 ULONG MaxTDs;
1261 ULONG RemainTDs;
1262 ULONG ix;
1263
1264 DPRINT_OHCI("OHCI_RemainTDs: ... \n");
1265
1266 MaxTDs = OhciEndpoint->MaxTransferDescriptors;
1267 TD = OhciEndpoint->FirstTD;
1268
1269 RemainTDs = 0;
1270
1271 for (ix = 0; ix < MaxTDs; ix++)
1272 {
1273 if (!(TD->Flags & OHCI_HCD_TD_FLAG_ALLOCATED))
1274 RemainTDs++;
1275
1276 TD += 1;
1277 }
1278
1279 return RemainTDs;
1280}

Referenced by OHCI_BulkOrInterruptTransfer(), and OHCI_ControlTransfer().

◆ OHCI_RemoveEndpointFromSchedule()

VOID NTAPI OHCI_RemoveEndpointFromSchedule ( IN POHCI_ENDPOINT  OhciEndpoint)

Definition at line 1802 of file usbohci.c.

1803{
1804 POHCI_HCD_ED ED;
1805 POHCI_HCD_ED PreviousED;
1806 POHCI_STATIC_ED HeadED;
1807
1808 DPRINT_OHCI("OHCI_RemoveEndpointFromSchedule \n");
1809
1810 ED = OhciEndpoint->HcdED;
1811 HeadED = OhciEndpoint->HeadED;
1812
1813 if (&HeadED->Link == ED->HcdEDLink.Blink)
1814 {
1815 if (HeadED->Type == OHCI_STATIC_ED_TYPE_CONTROL ||
1816 HeadED->Type == OHCI_STATIC_ED_TYPE_BULK)
1817 {
1819 }
1820 else if (HeadED->Type == OHCI_STATIC_ED_TYPE_INTERRUPT)
1821 {
1822 *HeadED->pNextED = ED->HwED.NextED;
1823 }
1824 else
1825 {
1826 DPRINT1("OHCI_RemoveEndpointFromSchedule: Unknown HeadED->Type - %x\n",
1827 HeadED->Type);
1828 DbgBreakPoint();
1829 }
1830 }
1831 else
1832 {
1833 PreviousED = CONTAINING_RECORD(ED->HcdEDLink.Blink,
1835 HcdEDLink);
1836
1837 PreviousED->HwED.NextED = ED->HwED.NextED;
1838 }
1839
1841
1842 OhciEndpoint->HeadED = NULL;
1843}
#define RemoveEntryList(Entry)
Definition: env_spec_w32.h:986

Referenced by OHCI_SetEndpointState().

◆ OHCI_ReopenEndpoint()

MPSTATUS NTAPI OHCI_ReopenEndpoint ( IN PVOID  ohciExtension,
IN PUSBPORT_ENDPOINT_PROPERTIES  EndpointProperties,
IN PVOID  ohciEndpoint 
)

Definition at line 441 of file usbohci.c.

444{
445 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
446 POHCI_HCD_ED ED;
447
448 DPRINT_OHCI("OHCI_ReopenEndpoint: ... \n");
449
450 ED = OhciEndpoint->HcdED;
451
452 RtlCopyMemory(&OhciEndpoint->EndpointProperties,
453 EndpointProperties,
454 sizeof(OhciEndpoint->EndpointProperties));
455
457 OhciEndpoint->EndpointProperties.DeviceAddress;
458
461
462 return MP_STATUS_SUCCESS;
463}

Referenced by DriverEntry().

◆ OHCI_ResetController()

VOID NTAPI OHCI_ResetController ( IN PVOID  ohciExtension)

Definition at line 2336 of file usbohci.c.

2337{
2338 POHCI_EXTENSION OhciExtension = ohciExtension;
2339 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
2340 ULONG FrameNumber;
2341 PULONG ControlReg;
2342 PULONG CommandStatusReg;
2343 PULONG InterruptEnableReg;
2344 PULONG FmIntervalReg;
2345 PULONG RhStatusReg;
2346 PULONG PortStatusReg;
2347 OHCI_REG_CONTROL ControlBak;
2349 OHCI_REG_COMMAND_STATUS CommandStatus;
2351 ULONG_PTR HCCA;
2352 ULONG_PTR ControlHeadED;
2353 ULONG_PTR BulkHeadED;
2354 OHCI_REG_FRAME_INTERVAL FrameInterval;
2355 ULONG_PTR PeriodicStart;
2356 ULONG_PTR LSThreshold;
2357 OHCI_REG_RH_STATUS RhStatus;
2358 OHCI_REG_RH_DESCRIPTORA RhDescriptorA;
2360 ULONG NumPorts;
2361 ULONG ix;
2362
2363 DPRINT("OHCI_ResetController: ... \n");
2364
2365 OperationalRegs = OhciExtension->OperationalRegs;
2366
2367 ControlReg = (PULONG)&OperationalRegs->HcControl;
2368 CommandStatusReg = (PULONG)&OperationalRegs->HcCommandStatus;
2369 InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
2370 FmIntervalReg = (PULONG)&OperationalRegs->HcFmInterval;
2371 RhStatusReg = (PULONG)&OperationalRegs->HcRhStatus;
2372
2373 /* Backup FrameNumber from HcHCCA */
2374 FrameNumber = OhciExtension->HcResourcesVA->HcHCCA.FrameNumber;
2375
2376 /* Backup registers */
2377 ControlBak.AsULONG = READ_REGISTER_ULONG(ControlReg);
2378 HCCA = READ_REGISTER_ULONG(&OperationalRegs->HcHCCA);
2379 ControlHeadED = READ_REGISTER_ULONG(&OperationalRegs->HcControlHeadED);
2380 BulkHeadED = READ_REGISTER_ULONG(&OperationalRegs->HcBulkHeadED);
2381 FrameInterval.AsULONG = READ_REGISTER_ULONG(FmIntervalReg);
2382 PeriodicStart = READ_REGISTER_ULONG(&OperationalRegs->HcPeriodicStart);
2383 LSThreshold = READ_REGISTER_ULONG(&OperationalRegs->HcLSThreshold);
2384
2385 /* Reset HostController */
2386 CommandStatus.AsULONG = 0;
2387 CommandStatus.HostControllerReset = 1;
2388 WRITE_REGISTER_ULONG(CommandStatusReg, CommandStatus.AsULONG);
2389
2391
2392 /* Restore registers */
2393 WRITE_REGISTER_ULONG(&OperationalRegs->HcHCCA, HCCA);
2394 WRITE_REGISTER_ULONG(&OperationalRegs->HcControlHeadED, ControlHeadED);
2395 WRITE_REGISTER_ULONG(&OperationalRegs->HcBulkHeadED, BulkHeadED);
2396
2397 /* Set OPERATIONAL state for HC */
2398 Control.AsULONG = 0;
2399 Control.HostControllerFunctionalState = OHCI_HC_STATE_OPERATIONAL;
2400 WRITE_REGISTER_ULONG(ControlReg, Control.AsULONG);
2401
2402 /* Set Toggle bit for FmInterval register */
2403 FrameInterval.FrameIntervalToggle = 1;
2404 WRITE_REGISTER_ULONG(FmIntervalReg, FrameInterval.AsULONG);
2405
2406 /* Restore registers */
2407 WRITE_REGISTER_ULONG(&OperationalRegs->HcFmNumber, FrameNumber);
2408 WRITE_REGISTER_ULONG(&OperationalRegs->HcPeriodicStart, PeriodicStart);
2409 WRITE_REGISTER_ULONG(&OperationalRegs->HcLSThreshold, LSThreshold);
2410
2411 /* Setup RhStatus register */
2412 RhStatus.AsULONG = 0;
2413 RhStatus.SetRemoteWakeupEnable = 1;
2414 RhStatus.SetGlobalPower = 1;
2415 WRITE_REGISTER_ULONG(RhStatusReg, RhStatus.AsULONG);
2416
2417 /* Setup RH PortStatus registers */
2418 RhDescriptorA = OHCI_ReadRhDescriptorA(OhciExtension);
2419 NumPorts = RhDescriptorA.NumberDownstreamPorts;
2420
2421 PortStatus.AsULONG = 0;
2422 PortStatus.SetPortPower = 1;
2423
2424 for (ix = 0; ix < NumPorts; ix++)
2425 {
2426 PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[ix];
2427 WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
2428 }
2429
2430 /* Restore HcControl register */
2432 WRITE_REGISTER_ULONG(ControlReg, ControlBak.AsULONG);
2433
2434 /* Setup HcInterruptEnable register */
2435 IntEnable.AsULONG = 0xFFFFFFFF;
2436 IntEnable.Reserved1 = 0;
2437 WRITE_REGISTER_ULONG(InterruptEnableReg, IntEnable.AsULONG);
2438}
VOID NTAPI KeStallExecutionProcessor(IN ULONG MicroSeconds)
Definition: ntoskrnl.c:81
_Outptr_ PUSB_DEVICE_HANDLE _In_ PUSB_DEVICE_HANDLE _In_ USHORT PortStatus
Definition: hubbusif.h:42
OHCI_REG_RH_STATUS HcRhStatus
Definition: hardware.h:331
OHCI_REG_RH_PORT_STATUS HcRhPortStatus[OHCI_MAX_PORT_COUNT]
Definition: hardware.h:332
OHCI_REG_FRAME_INTERVAL HcFmInterval
Definition: hardware.h:324
ULONG SetRemoteWakeupEnable
Definition: hardware.h:260
OHCI_REG_RH_DESCRIPTORA NTAPI OHCI_ReadRhDescriptorA(IN POHCI_EXTENSION OhciExtension)
Definition: roothub.c:15
_In_ WDF_WMI_PROVIDER_CONTROL Control
Definition: wdfwmi.h:166

Referenced by DriverEntry().

◆ OHCI_ResumeController()

MPSTATUS NTAPI OHCI_ResumeController ( IN PVOID  ohciExtension)

Definition at line 950 of file usbohci.c.

951{
952 POHCI_EXTENSION OhciExtension = ohciExtension;
953 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
954 PULONG ControlReg;
955 PULONG InterruptEnableReg;
956 POHCI_HCCA HcHCCA;
957 OHCI_REG_CONTROL control;
959
960 DPRINT("OHCI_ResumeController \n");
961
962 OperationalRegs = OhciExtension->OperationalRegs;
963 ControlReg = (PULONG)&OperationalRegs->HcControl;
964 InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
965
966 control.AsULONG = READ_REGISTER_ULONG(ControlReg);
967
969 return MP_STATUS_HW_ERROR;
970
971 HcHCCA = &OhciExtension->HcResourcesVA->HcHCCA;
972 HcHCCA->Pad1 = 0;
973
974 /* Setup HcControl register */
976 WRITE_REGISTER_ULONG(ControlReg, control.AsULONG);
977
978 /* Setup HcInterruptEnable register */
979 InterruptReg.AsULONG = 0;
980 InterruptReg.SchedulingOverrun = 1;
981 InterruptReg.WritebackDoneHead = 1;
982 InterruptReg.UnrecoverableError = 1;
983 InterruptReg.FrameNumberOverflow = 1;
984 InterruptReg.OwnershipChange = 1;
985
986 WRITE_REGISTER_ULONG(InterruptEnableReg, InterruptReg.AsULONG);
987 WRITE_REGISTER_ULONG(ControlReg, control.AsULONG);
988
989 return MP_STATUS_SUCCESS;
990}
#define OHCI_HC_STATE_SUSPEND
Definition: hardware.h:19
#define MP_STATUS_HW_ERROR
Definition: usbmport.h:141

Referenced by DriverEntry().

◆ OHCI_SetEndpointDataToggle()

VOID NTAPI OHCI_SetEndpointDataToggle ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint,
IN ULONG  DataToggle 
)

Definition at line 2266 of file usbohci.c.

2269{
2270 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
2271 POHCI_HCD_ED ED;
2272
2273 DPRINT_OHCI("OHCI_SetEndpointDataToggle: Endpoint - %p, DataToggle - %x\n",
2274 OhciEndpoint,
2275 DataToggle);
2276
2277 ED = OhciEndpoint->HcdED;
2278
2279 if (DataToggle)
2281 else
2282 ED->HwED.HeadPointer &= ~OHCI_ED_HEAD_POINTER_CARRY;
2283}

Referenced by DriverEntry().

◆ OHCI_SetEndpointState()

VOID NTAPI OHCI_SetEndpointState ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint,
IN ULONG  EndpointState 
)

Definition at line 1847 of file usbohci.c.

1850{
1851 POHCI_EXTENSION OhciExtension = ohciExtension;
1852 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
1853 POHCI_HCD_ED ED;
1854
1855 DPRINT_OHCI("OHCI_SetEndpointState: EndpointState - %x\n",
1856 EndpointState);
1857
1858 ED = OhciEndpoint->HcdED;
1859
1860 switch (EndpointState)
1861 {
1863 ED->HwED.EndpointControl.sKip = 1;
1864 break;
1865
1867 ED->HwED.EndpointControl.sKip = 0;
1868 OHCI_EnableList(OhciExtension, OhciEndpoint);
1869 break;
1870
1872 ED->HwED.EndpointControl.sKip = 1;
1874 OHCI_RemoveEndpointFromSchedule(OhciEndpoint);
1875 break;
1876
1877 default:
1878 ASSERT(FALSE);
1879 break;
1880 }
1881}
VOID NTAPI OHCI_RemoveEndpointFromSchedule(IN POHCI_ENDPOINT OhciEndpoint)
Definition: usbohci.c:1802
#define OHCI_HCD_ED_FLAG_NOT_ACCESSED
Definition: usbohci.h:24

Referenced by DriverEntry().

◆ OHCI_SetEndpointStatus()

VOID NTAPI OHCI_SetEndpointStatus ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint,
IN ULONG  EndpointStatus 
)

Definition at line 2309 of file usbohci.c.

2312{
2313 POHCI_EXTENSION OhciExtension = ohciExtension;
2314 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
2315 POHCI_HCD_ED ED;
2316
2317 DPRINT_OHCI("OHCI_SetEndpointStatus: Endpoint - %p, EndpointStatus - %lX\n",
2318 OhciEndpoint,
2319 EndpointStatus);
2320
2321 if (EndpointStatus == USBPORT_ENDPOINT_RUN)
2322 {
2323 ED = OhciEndpoint->HcdED;
2324 ED->HwED.HeadPointer &= ~OHCI_ED_HEAD_POINTER_HALT;
2325
2326 OHCI_EnableList(OhciExtension, OhciEndpoint);
2327 }
2328 else if (EndpointStatus == USBPORT_ENDPOINT_HALT)
2329 {
2330 ASSERT(FALSE);
2331 }
2332}

Referenced by DriverEntry().

◆ OHCI_StartController()

MPSTATUS NTAPI OHCI_StartController ( IN PVOID  ohciExtension,
IN PUSBPORT_RESOURCES  Resources 
)

Definition at line 630 of file usbohci.c.

632{
633 POHCI_EXTENSION OhciExtension = ohciExtension;
634 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
635 PULONG CommandStatusReg;
636 PULONG FmIntervalReg;
637 PULONG ControlReg;
638 PULONG InterruptEnableReg;
639 PULONG RhStatusReg;
640 OHCI_REG_COMMAND_STATUS CommandStatus;
642 OHCI_REG_RH_STATUS RhStatus;
643 OHCI_REG_FRAME_INTERVAL FrameInterval;
644 ULONG MaxFrameIntervalAdjusting;
646 UCHAR HeadIndex;
648 ULONG_PTR IntEdPA;
649 POHCI_HCCA OhciHCCA;
650 LARGE_INTEGER StartTicks, CurrentTicks;
651 UINT32 TicksDiff;
652 ULONG ix;
653 ULONG jx;
654 MPSTATUS MPStatus = MP_STATUS_SUCCESS;
655
656 DPRINT_OHCI("OHCI_StartController: ohciExtension - %p, Resources - %p\n",
657 ohciExtension,
658 Resources);
659
660 /* HC on-chip operational registers */
661 OperationalRegs = (POHCI_OPERATIONAL_REGISTERS)Resources->ResourceBase;
662 OhciExtension->OperationalRegs = OperationalRegs;
663
664 CommandStatusReg = (PULONG)&OperationalRegs->HcCommandStatus;
665 FmIntervalReg = (PULONG)&OperationalRegs->HcFmInterval;
666 ControlReg = (PULONG)&OperationalRegs->HcControl;
667 InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
668 RhStatusReg = (PULONG)&OperationalRegs->HcRhStatus;
669
670 /* 5.1.1 Initialization */
671
672 MPStatus = OHCI_TakeControlHC(OhciExtension, Resources);
673
674 if (MPStatus != MP_STATUS_SUCCESS)
675 {
676 DPRINT1("OHCI_StartController: OHCI_TakeControlHC return MPStatus - %x\n",
677 MPStatus);
678
679 return MPStatus;
680 }
681
682 OhciExtension->HcResourcesVA = (POHCI_HC_RESOURCES)Resources->StartVA;
683 OhciExtension->HcResourcesPA = Resources->StartPA;
684
685 DPRINT_OHCI("OHCI_StartController: HcResourcesVA - %p, HcResourcesPA - %lx\n",
686 OhciExtension->HcResourcesVA,
687 OhciExtension->HcResourcesPA);
688
689 /* 5.2.7.2 Interrupt */
690
691 /* Build structure of interrupt static EDs */
692 for (ix = 0; ix < INTERRUPT_ENDPOINTs; ix++)
693 {
694 IntED = &OhciExtension->HcResourcesVA->InterrruptHeadED[ix];
695 IntEdPA = OhciExtension->HcResourcesPA + FIELD_OFFSET(OHCI_HC_RESOURCES, InterrruptHeadED[ix]);
696
697 if (ix == (ENDPOINT_INTERRUPT_1ms - 1))
698 {
699 HeadIndex = ED_EOF;
700 IntED->NextED = 0;
701 }
702 else
703 {
704 HeadIndex = ((ix - 1) / 2);
705
706 ASSERT(HeadIndex >= (ENDPOINT_INTERRUPT_1ms - 1) &&
708
709 IntED->NextED = OhciExtension->IntStaticED[HeadIndex].PhysicalAddress;
710 }
711
712 IntED->EndpointControl.sKip = 1;
713
714 IntED->TailPointer = 0;
715 IntED->HeadPointer = 0;
716
717 OhciExtension->IntStaticED[ix].HwED = IntED;
718 OhciExtension->IntStaticED[ix].PhysicalAddress = IntEdPA;
719 OhciExtension->IntStaticED[ix].HeadIndex = HeadIndex;
720 OhciExtension->IntStaticED[ix].pNextED = &IntED->NextED;
722
723 InitializeListHead(&OhciExtension->IntStaticED[ix].Link);
724 }
725
726 OhciHCCA = &OhciExtension->HcResourcesVA->HcHCCA;
727 DPRINT_OHCI("OHCI_InitializeSchedule: OhciHCCA - %p\n", OhciHCCA);
728
729 /* Set head pointers which start from HCCA */
730 for (ix = 0, jx = (INTERRUPT_ENDPOINTs - ENDPOINT_INTERRUPT_32ms);
732 ix++, jx++)
733 {
734 OhciHCCA->InterrruptTable[Balance[ix]] =
735 OhciExtension->IntStaticED[jx].PhysicalAddress;
736
737 OhciExtension->IntStaticED[jx].pNextED =
738 (PULONG)&OhciHCCA->InterrruptTable[Balance[ix]];
739
740 OhciExtension->IntStaticED[jx].HccaIndex = Balance[ix];
741 }
742
743 DPRINT_OHCI("OHCI_InitializeSchedule: ix - %x\n", ix);
744
745 /* Init static Control and Bulk EDs head pointers which start from HCCA */
746 InitializeListHead(&OhciExtension->ControlStaticED.Link);
747
748 OhciExtension->ControlStaticED.HeadIndex = ED_EOF;
750 OhciExtension->ControlStaticED.pNextED = &OperationalRegs->HcControlHeadED;
751
752 InitializeListHead(&OhciExtension->BulkStaticED.Link);
753
754 OhciExtension->BulkStaticED.HeadIndex = ED_EOF;
756 OhciExtension->BulkStaticED.pNextED = &OperationalRegs->HcBulkHeadED;
757
758 /* 6.3.1 Frame Timing */
759 FrameInterval.AsULONG = READ_REGISTER_ULONG(FmIntervalReg);
760
761 MaxFrameIntervalAdjusting = OHCI_DEFAULT_FRAME_INTERVAL / 10; // 10%
762
763 if ((FrameInterval.FrameInterval) < (OHCI_DEFAULT_FRAME_INTERVAL - MaxFrameIntervalAdjusting) ||
764 (FrameInterval.FrameInterval) > (OHCI_DEFAULT_FRAME_INTERVAL + MaxFrameIntervalAdjusting))
765 {
767 }
768
769 /* 5.4 FrameInterval Counter */
770 FrameInterval.FrameIntervalToggle = 1;
771
772 /* OHCI_MAXIMUM_OVERHEAD is the maximum overhead per frame */
773 FrameInterval.FSLargestDataPacket =
774 ((FrameInterval.FrameInterval - OHCI_MAXIMUM_OVERHEAD) * 6) / 7;
775
776 OhciExtension->FrameInterval = FrameInterval;
777
778 DPRINT_OHCI("OHCI_StartController: FrameInterval - %lX\n",
779 FrameInterval.AsULONG);
780
781 /* Reset HostController */
782 CommandStatus.AsULONG = 0;
783 CommandStatus.HostControllerReset = 1;
784
785 WRITE_REGISTER_ULONG(CommandStatusReg, CommandStatus.AsULONG);
786
788
789 Control.AsULONG = READ_REGISTER_ULONG(ControlReg);
790 Control.HostControllerFunctionalState = OHCI_HC_STATE_RESET;
791
792 WRITE_REGISTER_ULONG(ControlReg, Control.AsULONG);
793
794 TicksDiff = (500 * 10000) / KeQueryTimeIncrement(); // 500 ms
795 KeQueryTickCount(&StartTicks);
796
797 while (TRUE)
798 {
799 WRITE_REGISTER_ULONG(FmIntervalReg, OhciExtension->FrameInterval.AsULONG);
800 FrameInterval.AsULONG = READ_REGISTER_ULONG(FmIntervalReg);
801
802 KeQueryTickCount(&CurrentTicks);
803
804 if (CurrentTicks.QuadPart - StartTicks.QuadPart >= TicksDiff)
805 {
806 MPStatus = MP_STATUS_HW_ERROR;
807 break;
808 }
809
810 if (FrameInterval.AsULONG == OhciExtension->FrameInterval.AsULONG)
811 {
812 MPStatus = MP_STATUS_SUCCESS;
813 break;
814 }
815 }
816
817 if (MPStatus != MP_STATUS_SUCCESS)
818 {
819 DPRINT_OHCI("OHCI_StartController: frame interval not set\n");
820 return MPStatus;
821 }
822
823 /* Setup HcPeriodicStart register */
824 WRITE_REGISTER_ULONG(&OperationalRegs->HcPeriodicStart,
825 (OhciExtension->FrameInterval.FrameInterval * 9) / 10); //90%
826
827 /* Setup HcHCCA register */
828 WRITE_REGISTER_ULONG(&OperationalRegs->HcHCCA,
829 OhciExtension->HcResourcesPA + FIELD_OFFSET(OHCI_HC_RESOURCES, HcHCCA));
830
831 /* Setup HcInterruptEnable register */
832 Interrupts.AsULONG = 0;
833
834 Interrupts.SchedulingOverrun = 1;
835 Interrupts.WritebackDoneHead = 1;
836 Interrupts.UnrecoverableError = 1;
837 Interrupts.FrameNumberOverflow = 1;
838 Interrupts.OwnershipChange = 1;
839
840 WRITE_REGISTER_ULONG(InterruptEnableReg, Interrupts.AsULONG);
841
842 /* Setup HcControl register */
843 Control.AsULONG = READ_REGISTER_ULONG(ControlReg);
844
845 Control.ControlBulkServiceRatio = 0; // FIXME (1 : 1)
846 Control.PeriodicListEnable = 1;
847 Control.IsochronousEnable = 1;
848 Control.ControlListEnable = 1;
849 Control.BulkListEnable = 1;
850 Control.HostControllerFunctionalState = OHCI_HC_STATE_OPERATIONAL;
851
852 WRITE_REGISTER_ULONG(ControlReg, Control.AsULONG);
853
854 /* Setup HcRhStatus register */
855 RhStatus.AsULONG = 0;
856 RhStatus.SetGlobalPower = 1;
857
858 WRITE_REGISTER_ULONG(RhStatusReg, RhStatus.AsULONG);
859
860 return MP_STATUS_SUCCESS;
861}
unsigned int UINT32
#define OHCI_HC_STATE_RESET
Definition: hardware.h:16
struct _OHCI_OPERATIONAL_REGISTERS * POHCI_OPERATIONAL_REGISTERS
#define ED_EOF
Definition: hardware.h:10
#define OHCI_NUMBER_OF_INTERRUPTS
Definition: hardware.h:8
#define OHCI_DEFAULT_FRAME_INTERVAL
Definition: hardware.h:12
#define OHCI_MAXIMUM_OVERHEAD
Definition: hardware.h:11
ULONG NTAPI KeQueryTimeIncrement(VOID)
Definition: clock.c:153
#define KeQueryTickCount(CurrentCount)
Definition: ke.h:43
OHCI_STATIC_ED ControlStaticED
Definition: usbohci.h:156
OHCI_STATIC_ED IntStaticED[63]
Definition: usbohci.h:155
OHCI_REG_FRAME_INTERVAL FrameInterval
Definition: usbohci.h:150
OHCI_STATIC_ED BulkStaticED
Definition: usbohci.h:157
ULONG HcResourcesPA
Definition: usbohci.h:154
ULONG InterrruptTable[OHCI_NUMBER_OF_INTERRUPTS]
Definition: hardware.h:139
OHCI_ENDPOINT_DESCRIPTOR InterrruptHeadED[63]
Definition: usbohci.h:115
ULONG PhysicalAddress
Definition: usbohci.h:104
ULONG HccaIndex
Definition: usbohci.h:110
POHCI_ENDPOINT_DESCRIPTOR HwED
Definition: usbohci.h:103
UCHAR HeadIndex
Definition: usbohci.h:105
LONGLONG QuadPart
Definition: typedefs.h:114
#define INTERRUPT_ENDPOINTs
Definition: usbmport.h:32
#define ENDPOINT_INTERRUPT_32ms
Definition: usbmport.h:30
#define ENDPOINT_INTERRUPT_1ms
Definition: usbmport.h:25
static const UCHAR Balance[OHCI_NUMBER_OF_INTERRUPTS]
Definition: usbohci.c:30
MPSTATUS NTAPI OHCI_TakeControlHC(IN POHCI_EXTENSION OhciExtension, IN PUSBPORT_RESOURCES Resources)
Definition: usbohci.c:529
struct _OHCI_HC_RESOURCES * POHCI_HC_RESOURCES

Referenced by DriverEntry().

◆ OHCI_StartSendOnePacket()

MPSTATUS NTAPI OHCI_StartSendOnePacket ( IN PVOID  ohciExtension,
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 2442 of file usbohci.c.

2450{
2451 DPRINT1("OHCI_StartSendOnePacket: UNIMPLEMENTED. FIXME\n");
2452 return MP_STATUS_SUCCESS;
2453}

Referenced by DriverEntry().

◆ OHCI_StopController()

VOID NTAPI OHCI_StopController ( IN PVOID  ohciExtension,
IN BOOLEAN  IsDoDisableInterrupts 
)

Definition at line 865 of file usbohci.c.

867{
868 POHCI_EXTENSION OhciExtension = ohciExtension;
869 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
870 PULONG ControlReg;
871 PULONG InterruptDisableReg;
872 PULONG InterruptStatusReg;
876
877 DPRINT("OHCI_StopController: ... \n");
878
879 OperationalRegs = OhciExtension->OperationalRegs;
880
881 ControlReg = (PULONG)&OperationalRegs->HcControl;
882 InterruptDisableReg = (PULONG)&OperationalRegs->HcInterruptDisable;
883 InterruptStatusReg = (PULONG)&OperationalRegs->HcInterruptStatus;
884
885 /* Setup HcControl register */
886 Control.AsULONG = READ_REGISTER_ULONG(ControlReg);
887
888 Control.PeriodicListEnable = 0;
889 Control.IsochronousEnable = 0;
890 Control.ControlListEnable = 0;
891 Control.BulkListEnable = 0;
892 Control.HostControllerFunctionalState = OHCI_HC_STATE_SUSPEND;
893 Control.RemoteWakeupEnable = 0;
894
895 WRITE_REGISTER_ULONG(ControlReg, Control.AsULONG);
896
897 /* Disable interrupt generations */
898 IntDisable.AsULONG = 0xFFFFFFFF;
899 WRITE_REGISTER_ULONG(InterruptDisableReg, IntDisable.AsULONG);
900
901 /* Clear all bits in HcInterruptStatus register */
902 IntStatus.AsULONG = 0xFFFFFFFF;
903 WRITE_REGISTER_ULONG(InterruptStatusReg, IntStatus.AsULONG);
904}

Referenced by DriverEntry().

◆ OHCI_SubmitIsoTransfer()

MPSTATUS NTAPI OHCI_SubmitIsoTransfer ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint,
IN PUSBPORT_TRANSFER_PARAMETERS  TransferParameters,
IN PVOID  ohciTransfer,
IN PVOID  isoParameters 
)

Definition at line 1573 of file usbohci.c.

1578{
1579 DPRINT1("OHCI_SubmitIsoTransfer: UNIMPLEMENTED. FIXME\n");
1580 return MP_STATUS_SUCCESS;
1581}

Referenced by DriverEntry().

◆ OHCI_SubmitTransfer()

MPSTATUS NTAPI OHCI_SubmitTransfer ( IN PVOID  ohciExtension,
IN PVOID  ohciEndpoint,
IN PUSBPORT_TRANSFER_PARAMETERS  TransferParameters,
IN PVOID  ohciTransfer,
IN PUSBPORT_SCATTER_GATHER_LIST  SGList 
)

Creates the transfer descriptor chain for the given transfer's buffer and attaches it to a given endpoint (for control, bulk or interrupt transfers)

Parameters
[in]OhciExtensionThe ohci extension
[in]OhciEndpointThe ohci endpoint
[in]TransferParametersThe transfer parameters
[in]OhciTransferThe ohci transfer
[in]SGListThe scatter/gather list
Returns
MP_STATUS_SUCCESS or MP_STATUS_FAILURE if there are not enough TDs left or wrong transfer type given

Definition at line 1529 of file usbohci.c.

1534{
1535 POHCI_EXTENSION OhciExtension = ohciExtension;
1536 POHCI_ENDPOINT OhciEndpoint = ohciEndpoint;
1537 POHCI_TRANSFER OhciTransfer = ohciTransfer;
1538 ULONG TransferType;
1539
1540 DPRINT_OHCI("OHCI_SubmitTransfer: ... \n");
1541
1542 RtlZeroMemory(OhciTransfer, sizeof(OHCI_TRANSFER));
1543
1544 OhciTransfer->TransferParameters = TransferParameters;
1545 OhciTransfer->OhciEndpoint = OhciEndpoint;
1546
1547 TransferType = OhciEndpoint->EndpointProperties.TransferType;
1548
1549 if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL)
1550 {
1551 return OHCI_ControlTransfer(OhciExtension,
1552 OhciEndpoint,
1553 TransferParameters,
1554 OhciTransfer,
1555 SGList);
1556 }
1557
1558 if (TransferType == USBPORT_TRANSFER_TYPE_BULK ||
1559 TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
1560 {
1561 return OHCI_BulkOrInterruptTransfer(OhciExtension,
1562 OhciEndpoint,
1563 TransferParameters,
1564 OhciTransfer,
1565 SGList);
1566 }
1567
1568 return MP_STATUS_FAILURE;
1569}
static MPSTATUS OHCI_ControlTransfer(IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN POHCI_TRANSFER OhciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SGList)
Definition: usbohci.c:1284
static MPSTATUS OHCI_BulkOrInterruptTransfer(IN POHCI_EXTENSION OhciExtension, IN POHCI_ENDPOINT OhciEndpoint, IN PUSBPORT_TRANSFER_PARAMETERS TransferParameters, IN POHCI_TRANSFER OhciTransfer, IN PUSBPORT_SCATTER_GATHER_LIST SGList)
Definition: usbohci.c:1425

Referenced by DriverEntry().

◆ OHCI_SuspendController()

VOID NTAPI OHCI_SuspendController ( IN PVOID  ohciExtension)

Definition at line 908 of file usbohci.c.

909{
910 POHCI_EXTENSION OhciExtension = ohciExtension;
911 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
912 PULONG ControlReg;
913 PULONG InterruptEnableReg;
916
917 DPRINT("OHCI_SuspendController: ... \n");
918
919 OperationalRegs = OhciExtension->OperationalRegs;
920 ControlReg = (PULONG)&OperationalRegs->HcControl;
921 InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
922
923 /* Disable all interrupt generations */
925 0xFFFFFFFF);
926
927 /* Clear all bits in HcInterruptStatus register */
929 0xFFFFFFFF);
930
931 /* Setup HcControl register */
932 Control.AsULONG = READ_REGISTER_ULONG(ControlReg);
933 Control.HostControllerFunctionalState = OHCI_HC_STATE_SUSPEND;
934 Control.RemoteWakeupEnable = 1;
935
936 WRITE_REGISTER_ULONG(ControlReg, Control.AsULONG);
937
938 /* Setup HcInterruptEnable register */
939 InterruptReg.AsULONG = 0;
940 InterruptReg.ResumeDetected = 1;
941 InterruptReg.UnrecoverableError = 1;
942 InterruptReg.RootHubStatusChange = 1;
943 InterruptReg.MasterInterruptEnable = 1;
944
945 WRITE_REGISTER_ULONG(InterruptEnableReg, InterruptReg.AsULONG);
946}

Referenced by DriverEntry().

◆ OHCI_TakeControlHC()

MPSTATUS NTAPI OHCI_TakeControlHC ( IN POHCI_EXTENSION  OhciExtension,
IN PUSBPORT_RESOURCES  Resources 
)

Definition at line 529 of file usbohci.c.

531{
532 POHCI_OPERATIONAL_REGISTERS OperationalRegs;
533 PULONG ControlReg;
534 PULONG InterruptEnableReg;
535 PULONG InterruptDisableReg;
536 PULONG CommandStatusReg;
537 PULONG InterruptStatusReg;
541 OHCI_REG_COMMAND_STATUS CommandStatus;
543 LARGE_INTEGER StartTicks, CurrentTicks;
544 UINT32 TicksDiff;
545
546 DPRINT("OHCI_TakeControlHC: ...\n");
547
548 OperationalRegs = OhciExtension->OperationalRegs;
549
550 ControlReg = (PULONG)&OperationalRegs->HcControl;
551 InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
552 InterruptDisableReg = (PULONG)&OperationalRegs->HcInterruptDisable;
553 CommandStatusReg = (PULONG)&OperationalRegs->HcCommandStatus;
554 InterruptStatusReg = (PULONG)&OperationalRegs->HcInterruptStatus;
555
556 /* 5.1.1.3 Take Control of Host Controller */
557 Control.AsULONG = READ_REGISTER_ULONG(ControlReg);
558
559 if (Control.InterruptRouting == 0)
560 return MP_STATUS_SUCCESS;
561
562 DPRINT1("OHCI_TakeControlHC: detected Legacy BIOS\n");
563
564 IntEnable.AsULONG = READ_REGISTER_ULONG(InterruptEnableReg);
565
566 DPRINT("OHCI_TakeControlHC: Control - %lX, IntEnable - %lX\n",
567 Control.AsULONG,
568 IntEnable.AsULONG);
569
570 if (Control.HostControllerFunctionalState == OHCI_HC_STATE_RESET &&
571 IntEnable.AsULONG == 0)
572 {
573 Control.AsULONG = 0;
574 WRITE_REGISTER_ULONG(ControlReg, Control.AsULONG);
575 return MP_STATUS_SUCCESS;
576 }
577
578 /* Enable interrupt generations */
579 IntEnable.AsULONG = 0;
580 IntEnable.MasterInterruptEnable = 1;
581
582 WRITE_REGISTER_ULONG(InterruptEnableReg, IntEnable.AsULONG);
583
584 /* Request a change of control of the HC */
585 CommandStatus.AsULONG = 0;
586 CommandStatus.OwnershipChangeRequest = 1;
587
588 WRITE_REGISTER_ULONG(CommandStatusReg, CommandStatus.AsULONG);
589
590 /* Disable interrupt generation due to Root Hub Status Change */
591 IntDisable.AsULONG = 0;
592 IntDisable.RootHubStatusChange = 1;
593
594 WRITE_REGISTER_ULONG(InterruptDisableReg, IntDisable.AsULONG);
595
596 /* Monitoring the InterruptRouting bit
597 to determine when the ownership change has taken effect. */
598
599 TicksDiff = (500 * 10000) / KeQueryTimeIncrement(); // 500 ms
600 KeQueryTickCount(&StartTicks);
601
602 do
603 {
604 Control.AsULONG = READ_REGISTER_ULONG(ControlReg);
605
606 if (Control.InterruptRouting == 0)
607 {
608 /* Clear all bits in register */
609 IntStatus.AsULONG = 0xFFFFFFFF;
610 WRITE_REGISTER_ULONG(InterruptStatusReg, IntStatus.AsULONG);
611
612 /* Disable interrupt generations */
613 IntDisable.AsULONG = 0;
614 IntDisable.MasterInterruptEnable = 1;
615
616 WRITE_REGISTER_ULONG(InterruptDisableReg, IntDisable.AsULONG);
617
618 return MP_STATUS_SUCCESS;
619 }
620
621 KeQueryTickCount(&CurrentTicks);
622 }
623 while (CurrentTicks.QuadPart - StartTicks.QuadPart < TicksDiff);
624
625 return MP_STATUS_HW_ERROR;
626}

Referenced by OHCI_StartController().

◆ OHCI_Unload()

VOID NTAPI OHCI_Unload ( IN PDRIVER_OBJECT  DriverObject)

Definition at line 2483 of file usbohci.c.

2484{
2485#if DBG
2486 DPRINT1("OHCI_Unload: Not supported\n");
2487#endif
2488 return;
2489}

Referenced by DriverEntry().

Variable Documentation

◆ Balance

Initial value:
=
{
0, 16, 8, 24, 4, 20, 12, 28, 2, 18, 10, 26, 6, 22, 14, 30,
1, 17, 9, 25, 5, 21, 13, 29, 3, 19, 11, 27, 7, 23, 15, 31
}

Definition at line 30 of file usbohci.c.

Referenced by OHCI_StartController().

◆ Index

const UCHAR Index[8]
static
Initial value:
=
{
}
#define ENDPOINT_INTERRUPT_16ms
Definition: usbmport.h:29
#define ENDPOINT_INTERRUPT_8ms
Definition: usbmport.h:28
#define ENDPOINT_INTERRUPT_4ms
Definition: usbmport.h:27
#define ENDPOINT_INTERRUPT_2ms
Definition: usbmport.h:26

Definition at line 18 of file usbohci.c.

◆ RegPacket