#include "UhcPeim.h"

Functions
EFI_STATUS	UhciStopHc (IN USB_UHC_DEV *Uhc, IN UINTN Timeout)

EFI_STATUS EFIAPI	UhcEndOfPei (IN EFI_PEI_SERVICES *PeiServices, IN EFI_PEI_NOTIFY_DESCRIPTOR NotifyDescriptor, IN VOID *Ppi)

EFI_STATUS EFIAPI	UhcPeimEntry (IN EFI_PEI_FILE_HANDLE FileHandle, IN CONST EFI_PEI_SERVICES **PeiServices)

EFI_STATUS EFIAPI	UhcControlTransfer (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB_HOST_CONTROLLER_PPI This, IN UINT8 DeviceAddress, IN UINT8 DeviceSpeed, IN UINT8 MaximumPacketLength, IN EFI_USB_DEVICE_REQUEST Request, IN EFI_USB_DATA_DIRECTION TransferDirection, IN OUT VOID Data OPTIONAL, IN OUT UINTN DataLength OPTIONAL, IN UINTN TimeOut, OUT UINT32 TransferResult)

EFI_STATUS EFIAPI	UhcBulkTransfer (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB_HOST_CONTROLLER_PPI This, IN UINT8 DeviceAddress, IN UINT8 EndPointAddress, IN UINT8 MaximumPacketLength, IN OUT VOID Data, IN OUT UINTN DataLength, IN OUT UINT8 DataToggle, IN UINTN TimeOut, OUT UINT32 TransferResult)

EFI_STATUS EFIAPI	UhcGetRootHubPortNumber (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB_HOST_CONTROLLER_PPI This, OUT UINT8 *PortNumber)

EFI_STATUS EFIAPI	UhcGetRootHubPortStatus (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB_HOST_CONTROLLER_PPI This, IN UINT8 PortNumber, OUT EFI_USB_PORT_STATUS *PortStatus)

EFI_STATUS EFIAPI	UhcSetRootHubPortFeature (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB_HOST_CONTROLLER_PPI This, IN UINT8 PortNumber, IN EFI_USB_PORT_FEATURE PortFeature)

EFI_STATUS EFIAPI	UhcClearRootHubPortFeature (IN EFI_PEI_SERVICES *PeiServices, IN PEI_USB_HOST_CONTROLLER_PPI This, IN UINT8 PortNumber, IN EFI_USB_PORT_FEATURE PortFeature)

EFI_STATUS	InitializeUsbHC (IN USB_UHC_DEV *UhcDev)

EFI_STATUS	CreateFrameList (USB_UHC_DEV *UhcDev)

UINT16	USBReadPortW (IN USB_UHC_DEV *UhcDev, IN UINT32 Port)

VOID	USBWritePortW (IN USB_UHC_DEV *UhcDev, IN UINT32 Port, IN UINT16 Data)

VOID	USBWritePortDW (IN USB_UHC_DEV *UhcDev, IN UINT32 Port, IN UINT32 Data)

VOID	ClearStatusReg (IN USB_UHC_DEV *UhcDev, IN UINT32 StatusAddr)

BOOLEAN	IsStatusOK (IN USB_UHC_DEV *UhcDev, IN UINT32 StatusRegAddr)

VOID	SetFrameListBaseAddress (IN USB_UHC_DEV *UhcDev, IN UINT32 FrameListRegAddr, IN UINT32 Addr)

EFI_STATUS	CreateQH (IN USB_UHC_DEV UhcDev, OUT QH_STRUCT *PtrQH)

VOID	SetQHHorizontalLinkPtr (IN QH_STRUCT PtrQH, IN VOID PtrNext)

VOID	SetQHHorizontalQHorTDSelect (IN QH_STRUCT *PtrQH, IN BOOLEAN IsQH)

VOID	SetQHHorizontalValidorInvalid (IN QH_STRUCT *PtrQH, IN BOOLEAN IsValid)

VOID	SetQHVerticalLinkPtr (IN QH_STRUCT PtrQH, IN VOID PtrNext)

VOID	SetQHVerticalQHorTDSelect (IN QH_STRUCT *PtrQH, IN BOOLEAN IsQH)

VOID	SetQHVerticalValidorInvalid (IN QH_STRUCT *PtrQH, IN BOOLEAN IsValid)

EFI_STATUS	AllocateTDorQHStruct (IN USB_UHC_DEV UhcDev, IN UINT32 Size, OUT VOID *PtrStruct)

EFI_STATUS	CreateTD (IN USB_UHC_DEV UhcDev, OUT TD_STRUCT *PtrTD)

EFI_STATUS	GenSetupStageTD (IN USB_UHC_DEV UhcDev, IN UINT8 DevAddr, IN UINT8 Endpoint, IN UINT8 DeviceSpeed, IN UINT8 DevRequest, IN UINT8 RequestPhy, IN UINT8 RequestLen, OUT TD_STRUCT *PtrTD)

EFI_STATUS	GenDataTD (IN USB_UHC_DEV UhcDev, IN UINT8 DevAddr, IN UINT8 Endpoint, IN UINT8 PtrData, IN UINT8 DataPhy, IN UINT8 Len, IN UINT8 PktID, IN UINT8 Toggle, IN UINT8 DeviceSpeed, OUT TD_STRUCT *PtrTD)

EFI_STATUS	CreateStatusTD (IN USB_UHC_DEV UhcDev, IN UINT8 DevAddr, IN UINT8 Endpoint, IN UINT8 PktID, IN UINT8 DeviceSpeed, OUT TD_STRUCT *PtrTD)

VOID	SetTDLinkPtrValidorInvalid (IN TD_STRUCT *PtrTDStruct, IN BOOLEAN IsValid)

VOID	SetTDLinkPtrQHorTDSelect (IN TD_STRUCT *PtrTDStruct, IN BOOLEAN IsQH)

VOID	SetTDLinkPtrDepthorBreadth (IN TD_STRUCT *PtrTDStruct, IN BOOLEAN IsDepth)

VOID	SetTDLinkPtr (IN TD_STRUCT PtrTDStruct, IN VOID PtrNext)

VOID *	GetTDLinkPtr (IN TD_STRUCT *PtrTDStruct)

VOID	EnableorDisableTDShortPacket (IN TD_STRUCT *PtrTDStruct, IN BOOLEAN IsEnable)

VOID	SetTDControlErrorCounter (IN TD_STRUCT *PtrTDStruct, IN UINT8 MaxErrors)

VOID	SetTDLoworFullSpeedDevice (IN TD_STRUCT *PtrTDStruct, IN BOOLEAN IsLowSpeedDevice)

VOID	SetTDControlIsochronousorNot (IN TD_STRUCT *PtrTDStruct, IN BOOLEAN IsIsochronous)

VOID	SetorClearTDControlIOC (IN TD_STRUCT *PtrTDStruct, IN BOOLEAN IsSet)

VOID	SetTDStatusActiveorInactive (IN TD_STRUCT *PtrTDStruct, IN BOOLEAN IsActive)

UINT16	SetTDTokenMaxLength (IN TD_STRUCT *PtrTDStruct, IN UINT16 MaxLen)

VOID	SetTDTokenDataToggle1 (IN TD_STRUCT *PtrTDStruct)

VOID	SetTDTokenDataToggle0 (IN TD_STRUCT *PtrTDStruct)

VOID	SetTDTokenEndPoint (IN TD_STRUCT *PtrTDStruct, IN UINTN EndPoint)

VOID	SetTDTokenDeviceAddress (IN TD_STRUCT *PtrTDStruct, IN UINTN DevAddr)

VOID	SetTDTokenPacketID (IN TD_STRUCT *PtrTDStruct, IN UINT8 PacketID)

BOOLEAN	IsTDStatusActive (IN TD_STRUCT *PtrTDStruct)

BOOLEAN	IsTDStatusStalled (IN TD_STRUCT *PtrTDStruct)

BOOLEAN	IsTDStatusBufferError (IN TD_STRUCT *PtrTDStruct)

BOOLEAN	IsTDStatusBabbleError (IN TD_STRUCT *PtrTDStruct)

BOOLEAN	IsTDStatusNAKReceived (IN TD_STRUCT *PtrTDStruct)

BOOLEAN	IsTDStatusCRCTimeOutError (IN TD_STRUCT *PtrTDStruct)

BOOLEAN	IsTDStatusBitStuffError (IN TD_STRUCT *PtrTDStruct)

UINT16	GetTDStatusActualLength (IN TD_STRUCT *PtrTDStruct)

BOOLEAN	GetTDLinkPtrValidorInvalid (IN TD_STRUCT *PtrTDStruct)

UINTN	CountTDsNumber (IN TD_STRUCT *PtrFirstTD)

VOID	LinkTDToQH (IN QH_STRUCT PtrQH, IN TD_STRUCT PtrTD)

VOID	LinkTDToTD (IN TD_STRUCT PtrPreTD, IN TD_STRUCT PtrTD)

EFI_STATUS	ExecuteControlTransfer (IN USB_UHC_DEV UhcDev, IN TD_STRUCT PtrTD, OUT UINTN ActualLen, IN UINTN TimeOut, OUT UINT32 TransferResult)

EFI_STATUS	ExecBulkTransfer (IN USB_UHC_DEV UhcDev, IN TD_STRUCT PtrTD, IN OUT UINTN ActualLen, IN UINT8 DataToggle, IN UINTN TimeOut, OUT UINT32 *TransferResult)

VOID	DeleteQueuedTDs (IN USB_UHC_DEV UhcDev, IN TD_STRUCT PtrFirstTD)

BOOLEAN	CheckTDsResults (IN TD_STRUCT PtrTD, OUT UINT32 Result, OUT UINTN ErrTDPos, OUT UINTN ActualTransferSize)

EFI_STATUS	CreateMemoryBlock (IN USB_UHC_DEV UhcDev, OUT MEMORY_MANAGE_HEADER *MemoryHeader, IN UINTN MemoryBlockSizeInPages)

EFI_STATUS	InitializeMemoryManagement (IN USB_UHC_DEV *UhcDev)

EFI_STATUS	UhcAllocatePool (IN USB_UHC_DEV UhcDev, OUT UINT8 *Pool, IN UINTN AllocSize)

EFI_STATUS	AllocMemInMemoryBlock (IN MEMORY_MANAGE_HEADER MemoryHeader, OUT VOID *Pool, IN UINTN NumberOfMemoryUnit)

VOID	UhcFreePool (IN USB_UHC_DEV UhcDev, IN UINT8 Pool, IN UINTN AllocSize)

VOID	InsertMemoryHeaderToList (IN MEMORY_MANAGE_HEADER MemoryHeader, IN MEMORY_MANAGE_HEADER NewMemoryHeader)

EFI_STATUS	UhciMapUserRequest (IN USB_UHC_DEV Uhc, IN OUT VOID Request, OUT UINT8 MappedAddr, OUT VOID Map)

EFI_STATUS	UhciMapUserData (IN USB_UHC_DEV Uhc, IN EFI_USB_DATA_DIRECTION Direction, IN VOID Data, IN OUT UINTN Len, OUT UINT8 PktId, OUT UINT8 MappedAddr, OUT VOID Map)

Detailed Description

PEIM to produce gPeiUsbHostControllerPpiGuid based on gPeiUsbControllerPpiGuid which is used to enable recovery function from USB Drivers.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file UhcPeim.c.

Function Documentation

◆ AllocateTDorQHStruct()

EFI_STATUS AllocateTDorQHStruct	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT32	Size,
		OUT VOID **	PtrStruct
	)

Allocate TD or QH Struct.

Parameters

UhcDev	The UHCI device.
Size	The size of allocation.
PtrStruct	Place to store TD_STRUCT pointer.

Returns: EFI_SUCCESS Allocate successfully.

Return values

EFI_OUT_OF_RESOURCES Can't allocate memory resource.

Definition at line 1453 of file UhcPeim.c.

◆ AllocMemInMemoryBlock()

EFI_STATUS AllocMemInMemoryBlock	(	IN MEMORY_MANAGE_HEADER *	MemoryHeader,
		OUT VOID **	Pool,
		IN UINTN	NumberOfMemoryUnit
	)

Alloc Memory In MemoryBlock.

Parameters

MemoryHeader	The pointer to memory manage header.
Pool	Buffer pointer to store the buffer pointer.
NumberOfMemoryUnit	The size of the pool to be allocated.

Return values

EFI_OUT_OF_RESOURCES	Can't allocate memory resources.
EFI_SUCCESS	Success.

Definition at line 2956 of file UhcPeim.c.

◆ CheckTDsResults()

BOOLEAN CheckTDsResults	(	IN TD_STRUCT *	PtrTD,
		OUT UINT32 *	Result,
		OUT UINTN *	ErrTDPos,
		OUT UINTN *	ActualTransferSize
	)

Check TDs Results.

Parameters

PtrTD	A pointer to TD_STRUCT data.
Result	The result to return.
ErrTDPos	The Error TD position.
ActualTransferSize	Actual transfer size.

Return values

The	TD is executed successfully or not.

Definition at line 2688 of file UhcPeim.c.

◆ ClearStatusReg()

VOID ClearStatusReg	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT32	StatusAddr
	)

Clear the content of UHCI's Status Register.

Parameters

UhcDev	The UHCI device.
StatusAddr	The IO space address of the register.

Definition at line 1225 of file UhcPeim.c.

◆ CountTDsNumber()

UINTN CountTDsNumber ( IN TD_STRUCT * PtrFirstTD )

Count TD Number from PtrFirstTD.

Parameters

PtrFirstTD Place to store TD_STRUCT pointer.

Return values

The	queued TDs number.

Definition at line 2405 of file UhcPeim.c.

◆ CreateFrameList()

EFI_STATUS CreateFrameList ( USB_UHC_DEV * UhcDev )

Create Frame List Structure.

Parameters

UhcDev UHCI device.

Return values

EFI_OUT_OF_RESOURCES	Can't allocate memory resources.
EFI_SUCCESS	Success.

Definition at line 1101 of file UhcPeim.c.

◆ CreateMemoryBlock()

EFI_STATUS CreateMemoryBlock	(	IN USB_UHC_DEV *	UhcDev,
		OUT MEMORY_MANAGE_HEADER **	MemoryHeader,
		IN UINTN	MemoryBlockSizeInPages
	)

Create Memory Block.

Parameters

UhcDev	The UCHI device.
MemoryHeader	The Pointer to allocated memory block.
MemoryBlockSizeInPages	The page size of memory block to be allocated.

Return values

EFI_OUT_OF_RESOURCES	Can't allocate memory resources.
EFI_SUCCESS	Success.

Definition at line 2770 of file UhcPeim.c.

◆ CreateQH()

EFI_STATUS CreateQH	(	IN USB_UHC_DEV *	UhcDev,
		OUT QH_STRUCT **	PtrQH
	)

Create QH and initialize.

Parameters

UhcDev	The UHCI device.
PtrQH	Place to store QH_STRUCT pointer.

Return values

EFI_OUT_OF_RESOURCES	Can't allocate memory resources.
EFI_SUCCESS	Success.

Definition at line 1295 of file UhcPeim.c.

◆ CreateStatusTD()

EFI_STATUS CreateStatusTD	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT8	DevAddr,
		IN UINT8	Endpoint,
		IN UINT8	PktID,
		IN UINT8	DeviceSpeed,
		OUT TD_STRUCT **	PtrTD
	)

Generate Status Stage TD.

Parameters

UhcDev	The UHCI device.
DevAddr	Device address.
Endpoint	Endpoint number.
PktID	PacketID.
DeviceSpeed	Device Speed.
PtrTD	TD_STRUCT generated.

Returns: EFI_SUCCESS Generate status stage TD successfully.

Return values

EFI_OUT_OF_RESOURCES Can't allocate memory resource.

Definition at line 1763 of file UhcPeim.c.

◆ CreateTD()

EFI_STATUS CreateTD	(	IN USB_UHC_DEV *	UhcDev,
		OUT TD_STRUCT **	PtrTD
	)

Create a TD Struct.

Parameters

UhcDev	The UHCI device.
PtrTD	Place to store TD_STRUCT pointer.

Returns: EFI_SUCCESS Allocate successfully.

Return values

EFI_OUT_OF_RESOURCES Can't allocate memory resource.

Definition at line 1489 of file UhcPeim.c.

◆ DeleteQueuedTDs()

VOID DeleteQueuedTDs	(	IN USB_UHC_DEV *	UhcDev,
		IN TD_STRUCT *	PtrFirstTD
	)

Delete Queued TDs.

Parameters

UhcDev	The UCHI device.
PtrFirstTD	Place to store TD_STRUCT pointer.

Definition at line 2645 of file UhcPeim.c.

◆ EnableorDisableTDShortPacket()

VOID EnableorDisableTDShortPacket	(	IN TD_STRUCT *	PtrTDStruct,
		IN BOOLEAN	IsEnable
	)

Enable/Disable short packet detection mechanism.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
IsEnable	Enable or disable short packet detection mechanism.

Definition at line 1963 of file UhcPeim.c.

◆ ExecBulkTransfer()

EFI_STATUS ExecBulkTransfer	(	IN USB_UHC_DEV *	UhcDev,
		IN TD_STRUCT *	PtrTD,
		IN OUT UINTN *	ActualLen,
		IN UINT8 *	DataToggle,
		IN UINTN	TimeOut,
		OUT UINT32 *	TransferResult
	)

Execute Bulk Transfer.

Parameters

UhcDev	The UCHI device.
PtrTD	A pointer to TD_STRUCT data.
ActualLen	Actual transfer Length.
DataToggle	DataToggle value.
TimeOut	TimeOut value.
TransferResult	Transfer Result.

Returns: EFI_DEVICE_ERROR The transfer failed due to transfer error.; EFI_TIMEOUT The transfer failed due to time out.; EFI_SUCCESS The transfer finished OK.

Definition at line 2574 of file UhcPeim.c.

◆ ExecuteControlTransfer()

EFI_STATUS ExecuteControlTransfer	(	IN USB_UHC_DEV *	UhcDev,
		IN TD_STRUCT *	PtrTD,
		OUT UINTN *	ActualLen,
		IN UINTN	TimeOut,
		OUT UINT32 *	TransferResult
	)

Execute Control Transfer.

Parameters

UhcDev	The UCHI device.
PtrTD	A pointer to TD_STRUCT data.
ActualLen	Actual transfer Length.
TimeOut	TimeOut value.
TransferResult	Transfer Result.

Returns: EFI_DEVICE_ERROR The transfer failed due to transfer error.; EFI_TIMEOUT The transfer failed due to time out.; EFI_SUCCESS The transfer finished OK.

Definition at line 2511 of file UhcPeim.c.

◆ GenDataTD()

EFI_STATUS GenDataTD	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT8	DevAddr,
		IN UINT8	Endpoint,
		IN UINT8 *	PtrData,
		IN UINT8 *	DataPhy,
		IN UINT8	Len,
		IN UINT8	PktID,
		IN UINT8	Toggle,
		IN UINT8	DeviceSpeed,
		OUT TD_STRUCT **	PtrTD
	)

Generate Data Stage TD.

Parameters

UhcDev	The UHCI device.
DevAddr	Device address.
Endpoint	Endpoint number.
PtrData	CPU memory address of user data buffer to transfer.
DataPhy	PCI memory address of user data buffer to transfer.
Len	Data length.
PktID	PacketID.
Toggle	Data toggle value.
DeviceSpeed	Device Speed.
PtrTD	TD_STRUCT generated.

Returns: EFI_SUCCESS Generate data stage TD successfully.

Return values

EFI_OUT_OF_RESOURCES Can't allocate memory resource.

Definition at line 1643 of file UhcPeim.c.

◆ GenSetupStageTD()

EFI_STATUS GenSetupStageTD	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT8	DevAddr,
		IN UINT8	Endpoint,
		IN UINT8	DeviceSpeed,
		IN UINT8 *	DevRequest,
		IN UINT8 *	RequestPhy,
		IN UINT8	RequestLen,
		OUT TD_STRUCT **	PtrTD
	)

Generate Setup Stage TD.

Parameters

UhcDev	The UHCI device.
DevAddr	Device address.
Endpoint	Endpoint number.
DeviceSpeed	Device Speed.
DevRequest	CPU memory address of request structure buffer to transfer.
RequestPhy	PCI memory address of request structure buffer to transfer.
RequestLen	Request length.
PtrTD	TD_STRUCT generated.

Returns: EFI_SUCCESS Generate setup stage TD successfully.

Return values

EFI_OUT_OF_RESOURCES Can't allocate memory resource.

Definition at line 1529 of file UhcPeim.c.

◆ GetTDLinkPtr()

VOID * GetTDLinkPtr ( IN TD_STRUCT * PtrTDStruct )

Get TD Link Pointer.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

Get	TD Link Pointer in TD.

Definition at line 1944 of file UhcPeim.c.

◆ GetTDLinkPtrValidorInvalid()

BOOLEAN GetTDLinkPtrValidorInvalid ( IN TD_STRUCT * PtrTDStruct )

Retrieve the information of whether the Link Pointer field is valid or not.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	linker pointer field is valid or not.

Definition at line 2381 of file UhcPeim.c.

◆ GetTDStatusActualLength()

UINT16 GetTDStatusActualLength ( IN TD_STRUCT * PtrTDStruct )

Retrieve the actual number of bytes that were tansferred.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	actual number of bytes that were tansferred.

Definition at line 2361 of file UhcPeim.c.

◆ InitializeMemoryManagement()

EFI_STATUS InitializeMemoryManagement ( IN USB_UHC_DEV * UhcDev )

Initialize UHCI memory management.

Parameters

UhcDev The UCHI device.

Return values

EFI_OUT_OF_RESOURCES	Can't allocate memory resources.
EFI_SUCCESS	Success.

Definition at line 2843 of file UhcPeim.c.

◆ InitializeUsbHC()

EFI_STATUS InitializeUsbHC ( IN USB_UHC_DEV * UhcDev )

Initialize UHCI.

Parameters

UhcDev UHCI Device.

Return values

EFI_SUCCESS	UHCI successfully initialized.
EFI_OUT_OF_RESOURCES	Resource can not be allocated.

Definition at line 1041 of file UhcPeim.c.

◆ InsertMemoryHeaderToList()

VOID InsertMemoryHeaderToList	(	IN MEMORY_MANAGE_HEADER *	MemoryHeader,
		IN MEMORY_MANAGE_HEADER *	NewMemoryHeader
	)

Insert a new memory header into list.

Parameters

MemoryHeader	A pointer to the memory header list.
NewMemoryHeader	A new memory header to be inserted into the list.

Definition at line 3159 of file UhcPeim.c.

◆ IsStatusOK()

BOOLEAN IsStatusOK	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT32	StatusRegAddr
	)

Check whether the host controller operates well.

Parameters

UhcDev	The UHCI device.
StatusRegAddr	The io address of status register.

Return values

TRUE	Host controller is working.
FALSE	Host controller is halted or system error.

Definition at line 1247 of file UhcPeim.c.

◆ IsTDStatusActive()

BOOLEAN IsTDStatusActive ( IN TD_STRUCT * PtrTDStruct )

Detect whether the TD is active.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	TD is active or not.

Definition at line 2207 of file UhcPeim.c.

◆ IsTDStatusBabbleError()

BOOLEAN IsTDStatusBabbleError ( IN TD_STRUCT * PtrTDStruct )

Detect whether Babble Error is happened.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	Babble Error is happened or not.

Definition at line 2273 of file UhcPeim.c.

◆ IsTDStatusBitStuffError()

BOOLEAN IsTDStatusBitStuffError ( IN TD_STRUCT * PtrTDStruct )

Detect whether Bitstuff Error is received.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	Bitstuff Error is received or not.

Definition at line 2339 of file UhcPeim.c.

◆ IsTDStatusBufferError()

BOOLEAN IsTDStatusBufferError ( IN TD_STRUCT * PtrTDStruct )

Detect whether Data Buffer Error is happened.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	Data Buffer Error is happened or not.

Definition at line 2251 of file UhcPeim.c.

◆ IsTDStatusCRCTimeOutError()

BOOLEAN IsTDStatusCRCTimeOutError ( IN TD_STRUCT * PtrTDStruct )

Detect whether CRC/Time Out Error is encountered.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	CRC/Time Out Error is encountered or not.

Definition at line 2317 of file UhcPeim.c.

◆ IsTDStatusNAKReceived()

BOOLEAN IsTDStatusNAKReceived ( IN TD_STRUCT * PtrTDStruct )

Detect whether NAK is received.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	NAK is received or not.

Definition at line 2295 of file UhcPeim.c.

◆ IsTDStatusStalled()

BOOLEAN IsTDStatusStalled ( IN TD_STRUCT * PtrTDStruct )

Detect whether the TD is stalled.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Return values

The	TD is stalled or not.

Definition at line 2229 of file UhcPeim.c.

◆ LinkTDToQH()

VOID LinkTDToQH	(	IN QH_STRUCT *	PtrQH,
		IN TD_STRUCT *	PtrTD
	)

Link TD To QH.

Parameters

PtrQH	Place to store QH_STRUCT pointer.
PtrTD	Place to store TD_STRUCT pointer.

Definition at line 2433 of file UhcPeim.c.

◆ LinkTDToTD()

VOID LinkTDToTD	(	IN TD_STRUCT *	PtrPreTD,
		IN TD_STRUCT *	PtrTD
	)

Link TD To TD.

Parameters

PtrPreTD	Place to store TD_STRUCT pointer.
PtrTD	Place to store TD_STRUCT pointer.

Definition at line 2465 of file UhcPeim.c.

◆ SetFrameListBaseAddress()

VOID SetFrameListBaseAddress	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT32	FrameListRegAddr,
		IN UINT32	Addr
	)

Set Frame List Base Address.

Parameters

UhcDev	The UHCI device.
FrameListRegAddr	The address of frame list register.
Addr	The address of frame list table.

Definition at line 1272 of file UhcPeim.c.

◆ SetorClearTDControlIOC()

VOID SetorClearTDControlIOC	(	IN TD_STRUCT *	PtrTDStruct,
		IN BOOLEAN	IsSet
	)

Set if UCHI should issue an interrupt on completion of the frame in which this TD is executed

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
IsSet	Whether HC should issue an interrupt on completion.

Definition at line 2044 of file UhcPeim.c.

◆ SetQHHorizontalLinkPtr()

VOID SetQHHorizontalLinkPtr	(	IN QH_STRUCT *	PtrQH,
		IN VOID *	PtrNext
	)

Set the horizontal link pointer in QH.

Parameters

PtrQH	Place to store QH_STRUCT pointer.
PtrNext	Place to the next QH_STRUCT.

Definition at line 1327 of file UhcPeim.c.

◆ SetQHHorizontalQHorTDSelect()

VOID SetQHHorizontalQHorTDSelect	(	IN QH_STRUCT *	PtrQH,
		IN BOOLEAN	IsQH
	)

Set a QH or TD horizontally to be connected with a specific QH.

Parameters

PtrQH	Place to store QH_STRUCT pointer.
IsQH	Specify QH or TD is connected.

Definition at line 1348 of file UhcPeim.c.

◆ SetQHHorizontalValidorInvalid()

VOID SetQHHorizontalValidorInvalid	(	IN QH_STRUCT *	PtrQH,
		IN BOOLEAN	IsValid
	)

Set the horizontal validor bit in QH.

Parameters

PtrQH	Place to store QH_STRUCT pointer.
IsValid	Specify the horizontal linker is valid or not.

Definition at line 1368 of file UhcPeim.c.

◆ SetQHVerticalLinkPtr()

VOID SetQHVerticalLinkPtr	(	IN QH_STRUCT *	PtrQH,
		IN VOID *	PtrNext
	)

Set the vertical link pointer in QH.

Parameters

PtrQH	Place to store QH_STRUCT pointer.
PtrNext	Place to the next QH_STRUCT.

Definition at line 1388 of file UhcPeim.c.

◆ SetQHVerticalQHorTDSelect()

VOID SetQHVerticalQHorTDSelect	(	IN QH_STRUCT *	PtrQH,
		IN BOOLEAN	IsQH
	)

Set a QH or TD vertically to be connected with a specific QH.

Parameters

PtrQH	Place to store QH_STRUCT pointer.
IsQH	Specify QH or TD is connected.

Definition at line 1409 of file UhcPeim.c.

◆ SetQHVerticalValidorInvalid()

VOID SetQHVerticalValidorInvalid	(	IN QH_STRUCT *	PtrQH,
		IN BOOLEAN	IsValid
	)

Set the vertical validor bit in QH.

Parameters

PtrQH	Place to store QH_STRUCT pointer.
IsValid	Specify the vertical linker is valid or not.

Definition at line 1429 of file UhcPeim.c.

◆ SetTDControlErrorCounter()

VOID SetTDControlErrorCounter	(	IN TD_STRUCT *	PtrTDStruct,
		IN UINT8	MaxErrors
	)

Set the max error counter in TD.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
MaxErrors	The number of allowable error.

Definition at line 1982 of file UhcPeim.c.

◆ SetTDControlIsochronousorNot()

VOID SetTDControlIsochronousorNot	(	IN TD_STRUCT *	PtrTDStruct,
		IN BOOLEAN	IsIsochronous
	)

Set the TD is isochronous transfer type or not.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
IsIsochronous	Whether the transaction isochronous transfer type.

Definition at line 2024 of file UhcPeim.c.

◆ SetTDLinkPtr()

VOID SetTDLinkPtr	(	IN TD_STRUCT *	PtrTDStruct,
		IN VOID *	PtrNext
	)

Set TD Link Pointer in TD.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
PtrNext	Place to the next TD_STRUCT.

Definition at line 1923 of file UhcPeim.c.

◆ SetTDLinkPtrDepthorBreadth()

VOID SetTDLinkPtrDepthorBreadth	(	IN TD_STRUCT *	PtrTDStruct,
		IN BOOLEAN	IsDepth
	)

Set the traverse is depth-first or breadth-first.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
IsDepth	Specify the traverse is depth-first or breadth-first.

Definition at line 1903 of file UhcPeim.c.

◆ SetTDLinkPtrQHorTDSelect()

VOID SetTDLinkPtrQHorTDSelect	(	IN TD_STRUCT *	PtrTDStruct,
		IN BOOLEAN	IsQH
	)

Set the Link Pointer pointing to a QH or TD.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
IsQH	Specify QH or TD is connected.

Definition at line 1884 of file UhcPeim.c.

◆ SetTDLinkPtrValidorInvalid()

VOID SetTDLinkPtrValidorInvalid	(	IN TD_STRUCT *	PtrTDStruct,
		IN BOOLEAN	IsValid
	)

Set the link pointer validor bit in TD.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
IsValid	Specify the linker pointer is valid or not.

Definition at line 1864 of file UhcPeim.c.

◆ SetTDLoworFullSpeedDevice()

VOID SetTDLoworFullSpeedDevice	(	IN TD_STRUCT *	PtrTDStruct,
		IN BOOLEAN	IsLowSpeedDevice
	)

Set the TD is targeting a low-speed device or not.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
IsLowSpeedDevice	Whether The device is low-speed.

Definition at line 2005 of file UhcPeim.c.

◆ SetTDStatusActiveorInactive()

VOID SetTDStatusActiveorInactive	(	IN TD_STRUCT *	PtrTDStruct,
		IN BOOLEAN	IsActive
	)

Set if the TD is active and can be executed.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
IsActive	Whether the TD is active and can be executed.

Definition at line 2064 of file UhcPeim.c.

◆ SetTDTokenDataToggle0()

VOID SetTDTokenDataToggle0 ( IN TD_STRUCT * PtrTDStruct )

Set the data toggle bit to DATA0.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Definition at line 2131 of file UhcPeim.c.

◆ SetTDTokenDataToggle1()

VOID SetTDTokenDataToggle1 ( IN TD_STRUCT * PtrTDStruct )

Set the data toggle bit to DATA1.

Parameters

PtrTDStruct Place to store TD_STRUCT pointer.

Definition at line 2114 of file UhcPeim.c.

◆ SetTDTokenDeviceAddress()

VOID SetTDTokenDeviceAddress	(	IN TD_STRUCT *	PtrTDStruct,
		IN UINTN	DevAddr
	)

Set Device Address the TD is targeting at.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
DevAddr	The Device Address of the target.

Definition at line 2168 of file UhcPeim.c.

◆ SetTDTokenEndPoint()

VOID SetTDTokenEndPoint	(	IN TD_STRUCT *	PtrTDStruct,
		IN UINTN	EndPoint
	)

Set EndPoint Number the TD is targeting at.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
EndPoint	The Endport number of the target.

Definition at line 2149 of file UhcPeim.c.

◆ SetTDTokenMaxLength()

UINT16 SetTDTokenMaxLength	(	IN TD_STRUCT *	PtrTDStruct,
		IN UINT16	MaxLen
	)

Specifies the maximum number of data bytes allowed for the transfer.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
MaxLen	The maximum number of data bytes allowed.

Return values

The	allowed maximum number of data.

Definition at line 2089 of file UhcPeim.c.

◆ SetTDTokenPacketID()

VOID SetTDTokenPacketID	(	IN TD_STRUCT *	PtrTDStruct,
		IN UINT8	PacketID
	)

Set Packet Identification the TD is targeting at.

Parameters

PtrTDStruct	Place to store TD_STRUCT pointer.
PacketID	The Packet Identification of the target.

Definition at line 2187 of file UhcPeim.c.

◆ UhcAllocatePool()

EFI_STATUS UhcAllocatePool	(	IN USB_UHC_DEV *	UhcDev,
		OUT UINT8 **	Pool,
		IN UINTN	AllocSize
	)

Initialize UHCI memory management.

Parameters

UhcDev	The UCHI device.
Pool	Buffer pointer to store the buffer pointer.
AllocSize	The size of the pool to be allocated.

Return values

EFI_OUT_OF_RESOURCES	Can't allocate memory resources.
EFI_SUCCESS	Success.

Definition at line 2874 of file UhcPeim.c.

◆ UhcBulkTransfer()

EFI_STATUS EFIAPI UhcBulkTransfer	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB_HOST_CONTROLLER_PPI *	This,
		IN UINT8	DeviceAddress,
		IN UINT8	EndPointAddress,
		IN UINT8	MaximumPacketLength,
		IN OUT VOID *	Data,
		IN OUT UINTN *	DataLength,
		IN OUT UINT8 *	DataToggle,
		IN UINTN	TimeOut,
		OUT UINT32 *	TransferResult
	)

Submits bulk transfer to a bulk endpoint of a USB device.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES.
This	The pointer of PEI_USB_HOST_CONTROLLER_PPI.
DeviceAddress	Target device address.
EndPointAddress	Endpoint number and its direction in bit 7.
MaximumPacketLength	Maximum packet size the endpoint is capable of sending or receiving.
Data	Array of pointers to the buffers of data to transmit from or receive into.
DataLength	The lenght of the data buffer.
DataToggle	On input, the initial data toggle for the transfer; On output, it is updated to to next data toggle to use of the subsequent bulk transfer.
TimeOut	Indicates the maximum time, in millisecond, which the transfer is allowed to complete. If Timeout is 0, then the caller must wait for the function to be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
TransferResult	A pointer to the detailed result information of the bulk transfer.

Return values

EFI_SUCCESS	The transfer was completed successfully.
EFI_OUT_OF_RESOURCES	The transfer failed due to lack of resource.
EFI_INVALID_PARAMETER	Parameters are invalid.
EFI_TIMEOUT	The transfer failed due to timeout.
EFI_DEVICE_ERROR	The transfer failed due to host controller error.

Definition at line 489 of file UhcPeim.c.

◆ UhcClearRootHubPortFeature()

EFI_STATUS EFIAPI UhcClearRootHubPortFeature	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB_HOST_CONTROLLER_PPI *	This,
		IN UINT8	PortNumber,
		IN EFI_USB_PORT_FEATURE	PortFeature
	)

Clears a feature for the specified root hub port.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES.
This	The pointer of PEI_USB_HOST_CONTROLLER_PPI.
PortNumber	Specifies the root hub port whose feature is requested to be cleared.
PortFeature	Indicates the feature selector associated with the feature clear request.

Return values

EFI_SUCCESS	The feature specified by PortFeature was cleared for the USB root hub port specified by PortNumber.
EFI_INVALID_PARAMETER	PortNumber is invalid or PortFeature is invalid.

Definition at line 933 of file UhcPeim.c.

◆ UhcControlTransfer()

EFI_STATUS EFIAPI UhcControlTransfer	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB_HOST_CONTROLLER_PPI *	This,
		IN UINT8	DeviceAddress,
		IN UINT8	DeviceSpeed,
		IN UINT8	MaximumPacketLength,
		IN EFI_USB_DEVICE_REQUEST *	Request,
		IN EFI_USB_DATA_DIRECTION	TransferDirection,
		IN OUT VOID *Data	OPTIONAL,
		IN OUT UINTN *DataLength	OPTIONAL,
		IN UINTN	TimeOut,
		OUT UINT32 *	TransferResult
	)

Submits control transfer to a target USB device.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES.
This	The pointer of PEI_USB_HOST_CONTROLLER_PPI.
DeviceAddress	The target device address.
DeviceSpeed	Target device speed.
MaximumPacketLength	Maximum packet size the default control transfer endpoint is capable of sending or receiving.
Request	USB device request to send.
TransferDirection	Specifies the data direction for the data stage.
Data	Data buffer to be transmitted or received from USB device.
DataLength	The size (in bytes) of the data buffer.
TimeOut	Indicates the maximum timeout, in millisecond. If Timeout is 0, then the caller must wait for the function to be completed until EFI_SUCCESS or EFI_DEVICE_ERROR is returned.
TransferResult	Return the result of this control transfer.

Return values

EFI_SUCCESS	Transfer was completed successfully.
EFI_OUT_OF_RESOURCES	The transfer failed due to lack of resources.
EFI_INVALID_PARAMETER	Some parameters are invalid.
EFI_TIMEOUT	Transfer failed due to timeout.
EFI_DEVICE_ERROR	Transfer failed due to host controller or device error.

Definition at line 241 of file UhcPeim.c.

◆ UhcEndOfPei()

EFI_STATUS EFIAPI UhcEndOfPei	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN EFI_PEI_NOTIFY_DESCRIPTOR *	NotifyDescriptor,
		IN VOID *	Ppi
	)

One notified function to stop the Host Controller at the end of PEI

Parameters

[in]	PeiServices	Pointer to PEI Services Table.
[in]	NotifyDescriptor	Pointer to the descriptor for the Notification event that caused this function to execute.
[in]	Ppi	Pointer to the PPI data associated with this function.

Return values

EFI_SUCCESS	The function completes successfully
others

Definition at line 67 of file UhcPeim.c.

◆ UhcFreePool()

VOID UhcFreePool	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT8 *	Pool,
		IN UINTN	AllocSize
	)

Uhci Free Pool.

Parameters

UhcDev	The UHCI device.
Pool	A pointer to store the buffer address.
AllocSize	The size of the pool to be freed.

Definition at line 3091 of file UhcPeim.c.

◆ UhcGetRootHubPortNumber()

EFI_STATUS EFIAPI UhcGetRootHubPortNumber	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB_HOST_CONTROLLER_PPI *	This,
		OUT UINT8 *	PortNumber
	)

Retrieves the number of root hub ports.

Parameters

[in]	PeiServices	The pointer to the PEI Services Table.
[in]	This	The pointer to this instance of the PEI_USB_HOST_CONTROLLER_PPI.
[out]	PortNumber	The pointer to the number of the root hub ports.

Return values

EFI_SUCCESS	The port number was retrieved successfully.
EFI_INVALID_PARAMETER	PortNumber is NULL.

Definition at line 708 of file UhcPeim.c.

◆ UhcGetRootHubPortStatus()

EFI_STATUS EFIAPI UhcGetRootHubPortStatus	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB_HOST_CONTROLLER_PPI *	This,
		IN UINT8	PortNumber,
		OUT EFI_USB_PORT_STATUS *	PortStatus
	)

Retrieves the current status of a USB root hub port.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES.
This	The pointer of PEI_USB_HOST_CONTROLLER_PPI.
PortNumber	The root hub port to retrieve the state from.
PortStatus	Variable to receive the port state.

Return values

EFI_SUCCESS	The status of the USB root hub port specified. by PortNumber was returned in PortStatus.
EFI_INVALID_PARAMETER	PortNumber is invalid.

Definition at line 756 of file UhcPeim.c.

◆ UhciMapUserData()

EFI_STATUS UhciMapUserData	(	IN USB_UHC_DEV *	Uhc,
		IN EFI_USB_DATA_DIRECTION	Direction,
		IN VOID *	Data,
		IN OUT UINTN *	Len,
		OUT UINT8 *	PktId,
		OUT UINT8 **	MappedAddr,
		OUT VOID **	Map
	)

Map address of user data buffer.

Parameters

Uhc	The UHCI device.
Direction	Direction of the data transfer.
Data	The user data buffer.
Len	Length of the user data.
PktId	Packet identificaion.
MappedAddr	Mapped address to return.
Map	Identificaion of this mapping to return.

Returns: EFI_SUCCESS Success.; EFI_DEVICE_ERROR Fail to map the user data.

Definition at line 3231 of file UhcPeim.c.

◆ UhciMapUserRequest()

EFI_STATUS UhciMapUserRequest	(	IN USB_UHC_DEV *	Uhc,
		IN OUT VOID *	Request,
		OUT UINT8 **	MappedAddr,
		OUT VOID **	Map
	)

Map address of request structure buffer.

Parameters

Uhc	The UHCI device.
Request	The user request buffer.
MappedAddr	Mapped address of request.
Map	Identificaion of this mapping to return.

Returns: EFI_SUCCESS Success.; EFI_DEVICE_ERROR Fail to map the user request.

Definition at line 3187 of file UhcPeim.c.

◆ UhciStopHc()

EFI_STATUS UhciStopHc	(	IN USB_UHC_DEV *	Uhc,
		IN UINTN	Timeout
	)

Stop the host controller.

Parameters

Uhc	The UHCI device.
Timeout	Max time allowed.

Return values

EFI_SUCCESS	The host controller is stopped.
EFI_TIMEOUT	Failed to stop the host controller.

Definition at line 24 of file UhcPeim.c.

◆ UhcPeimEntry()

EFI_STATUS EFIAPI UhcPeimEntry	(	IN EFI_PEI_FILE_HANDLE	FileHandle,
		IN CONST EFI_PEI_SERVICES **	PeiServices
	)

Initializes Usb Host Controller.

Parameters

FileHandle	Handle of the file being invoked.
PeiServices	Describes the list of possible PEI Services.

Return values

EFI_SUCCESS	PPI successfully installed.
EFI_OUT_OF_RESOURCES	Can't allocate memory resource.

Definition at line 97 of file UhcPeim.c.

◆ UhcSetRootHubPortFeature()

EFI_STATUS EFIAPI UhcSetRootHubPortFeature	(	IN EFI_PEI_SERVICES **	PeiServices,
		IN PEI_USB_HOST_CONTROLLER_PPI *	This,
		IN UINT8	PortNumber,
		IN EFI_USB_PORT_FEATURE	PortFeature
	)

Sets a feature for the specified root hub port.

Parameters

PeiServices	The pointer of EFI_PEI_SERVICES
This	The pointer of PEI_USB_HOST_CONTROLLER_PPI
PortNumber	Root hub port to set.
PortFeature	Feature to set.

Return values

EFI_SUCCESS	The feature specified by PortFeature was set.
EFI_INVALID_PARAMETER	PortNumber is invalid or PortFeature is invalid.
EFI_TIMEOUT	The time out occurred.

Definition at line 855 of file UhcPeim.c.

◆ USBReadPortW()

UINT16 USBReadPortW	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT32	Port
	)

Read a 16bit width data from Uhc HC IO space register.

Parameters

UhcDev	The UHCI device.
Port	The IO space address of the register.

Return values

the	register content read.

Definition at line 1173 of file UhcPeim.c.

◆ USBWritePortDW()

VOID USBWritePortDW	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT32	Port,
		IN UINT32	Data
	)

Write a 32bit width data into Uhc HC IO space register.

Parameters

UhcDev	The UHCI device.
Port	The IO space address of the register.
Data	The data written into the register.

Definition at line 1208 of file UhcPeim.c.

◆ USBWritePortW()

VOID USBWritePortW	(	IN USB_UHC_DEV *	UhcDev,
		IN UINT32	Port,
		IN UINT16	Data
	)

Write a 16bit width data into Uhc HC IO space register.

Parameters

UhcDev	The UHCI device.
Port	The IO space address of the register.
Data	The data written into the register.

Definition at line 1190 of file UhcPeim.c.

Functions

Detailed Description

Function Documentation

◆ AllocateTDorQHStruct()

◆ AllocMemInMemoryBlock()

◆ CheckTDsResults()

◆ ClearStatusReg()

◆ CountTDsNumber()

◆ CreateFrameList()

◆ CreateMemoryBlock()

◆ CreateQH()

◆ CreateStatusTD()

◆ CreateTD()

◆ DeleteQueuedTDs()

◆ EnableorDisableTDShortPacket()

◆ ExecBulkTransfer()

◆ ExecuteControlTransfer()

◆ GenDataTD()

◆ GenSetupStageTD()

◆ GetTDLinkPtr()

◆ GetTDLinkPtrValidorInvalid()

◆ GetTDStatusActualLength()

◆ InitializeMemoryManagement()

◆ InitializeUsbHC()

◆ InsertMemoryHeaderToList()

◆ IsStatusOK()

◆ IsTDStatusActive()

◆ IsTDStatusBabbleError()

◆ IsTDStatusBitStuffError()

◆ IsTDStatusBufferError()

◆ IsTDStatusCRCTimeOutError()

◆ IsTDStatusNAKReceived()

◆ IsTDStatusStalled()

◆ LinkTDToQH()

◆ LinkTDToTD()

◆ SetFrameListBaseAddress()

◆ SetorClearTDControlIOC()

◆ SetQHHorizontalLinkPtr()

◆ SetQHHorizontalQHorTDSelect()

◆ SetQHHorizontalValidorInvalid()

◆ SetQHVerticalLinkPtr()

◆ SetQHVerticalQHorTDSelect()

◆ SetQHVerticalValidorInvalid()

◆ SetTDControlErrorCounter()

◆ SetTDControlIsochronousorNot()

◆ SetTDLinkPtr()

◆ SetTDLinkPtrDepthorBreadth()

◆ SetTDLinkPtrQHorTDSelect()

◆ SetTDLinkPtrValidorInvalid()

◆ SetTDLoworFullSpeedDevice()

◆ SetTDStatusActiveorInactive()

◆ SetTDTokenDataToggle0()

◆ SetTDTokenDataToggle1()

◆ SetTDTokenDeviceAddress()

◆ SetTDTokenEndPoint()

◆ SetTDTokenMaxLength()

◆ SetTDTokenPacketID()

◆ UhcAllocatePool()

◆ UhcBulkTransfer()

◆ UhcClearRootHubPortFeature()

◆ UhcControlTransfer()

◆ UhcEndOfPei()

◆ UhcFreePool()

◆ UhcGetRootHubPortNumber()

◆ UhcGetRootHubPortStatus()

◆ UhciMapUserData()

◆ UhciMapUserRequest()

◆ UhciStopHc()

◆ UhcPeimEntry()

◆ UhcSetRootHubPortFeature()

◆ USBReadPortW()

◆ USBWritePortDW()

◆ USBWritePortW()