/** @file
This file contains the definition for XHCI host controller schedule routines.
Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _EFI_XHCI_SCHED_H_
#define _EFI_XHCI_SCHED_H_
#define XHC_URB_SIG SIGNATURE_32 ('U', 'S', 'B', 'R')
//
// Transfer types, used in URB to identify the transfer type
//
#define XHC_CTRL_TRANSFER 0x01
#define XHC_BULK_TRANSFER 0x02
#define XHC_INT_TRANSFER_SYNC 0x04
#define XHC_INT_TRANSFER_ASYNC 0x08
#define XHC_INT_ONLY_TRANSFER_ASYNC 0x10
//
// 6.4.6 TRB Types
//
#define TRB_TYPE_NORMAL 1
#define TRB_TYPE_SETUP_STAGE 2
#define TRB_TYPE_DATA_STAGE 3
#define TRB_TYPE_STATUS_STAGE 4
#define TRB_TYPE_ISOCH 5
#define TRB_TYPE_LINK 6
#define TRB_TYPE_EVENT_DATA 7
#define TRB_TYPE_NO_OP 8
#define TRB_TYPE_EN_SLOT 9
#define TRB_TYPE_DIS_SLOT 10
#define TRB_TYPE_ADDRESS_DEV 11
#define TRB_TYPE_CON_ENDPOINT 12
#define TRB_TYPE_EVALU_CONTXT 13
#define TRB_TYPE_RESET_ENDPOINT 14
#define TRB_TYPE_STOP_ENDPOINT 15
#define TRB_TYPE_SET_TR_DEQUE 16
#define TRB_TYPE_RESET_DEV 17
#define TRB_TYPE_GET_PORT_BANW 21
#define TRB_TYPE_FORCE_HEADER 22
#define TRB_TYPE_NO_OP_COMMAND 23
#define TRB_TYPE_TRANS_EVENT 32
#define TRB_TYPE_COMMAND_COMPLT_EVENT 33
#define TRB_TYPE_PORT_STATUS_CHANGE_EVENT 34
#define TRB_TYPE_HOST_CONTROLLER_EVENT 37
#define TRB_TYPE_DEVICE_NOTIFI_EVENT 38
#define TRB_TYPE_MFINDEX_WRAP_EVENT 39
//
// Endpoint Type (EP Type).
//
#define ED_NOT_VALID 0
#define ED_ISOCH_OUT 1
#define ED_BULK_OUT 2
#define ED_INTERRUPT_OUT 3
#define ED_CONTROL_BIDIR 4
#define ED_ISOCH_IN 5
#define ED_BULK_IN 6
#define ED_INTERRUPT_IN 7
//
// 6.4.5 TRB Completion Codes
//
#define TRB_COMPLETION_INVALID 0
#define TRB_COMPLETION_SUCCESS 1
#define TRB_COMPLETION_DATA_BUFFER_ERROR 2
#define TRB_COMPLETION_BABBLE_ERROR 3
#define TRB_COMPLETION_USB_TRANSACTION_ERROR 4
#define TRB_COMPLETION_TRB_ERROR 5
#define TRB_COMPLETION_STALL_ERROR 6
#define TRB_COMPLETION_SHORT_PACKET 13
//
// The topology string used to present usb device location
//
typedef struct _USB_DEV_TOPOLOGY {
//
// The tier concatenation of down stream port.
//
UINT32 RouteString:20;
//
// The root port number of the chain.
//
UINT32 RootPortNum:8;
//
// The Tier the device reside.
//
UINT32 TierNum:4;
} USB_DEV_TOPOLOGY;
//
// USB Device's RouteChart
//
typedef union _USB_DEV_ROUTE {
UINT32 Dword;
USB_DEV_TOPOLOGY Route;
} USB_DEV_ROUTE;
//
// Endpoint address and its capabilities
//
typedef struct _USB_ENDPOINT {
//
// Store logical device address assigned by UsbBus
// It's because some XHCI host controllers may assign the same physcial device
// address for those devices inserted at different root port.
//
UINT8 BusAddr;
UINT8 DevAddr;
UINT8 EpAddr;
EFI_USB_DATA_DIRECTION Direction;
UINT8 DevSpeed;
UINTN MaxPacket;
UINTN Type;
} USB_ENDPOINT;
//
// TRB Template
//
typedef struct _TRB_TEMPLATE {
UINT32 Parameter1;
UINT32 Parameter2;
UINT32 Status;
UINT32 CycleBit:1;
UINT32 RsvdZ1:9;
UINT32 Type:6;
UINT32 Control:16;
} TRB_TEMPLATE;
typedef struct _TRANSFER_RING {
VOID *RingSeg0;
UINTN TrbNumber;
TRB_TEMPLATE *RingEnqueue;
TRB_TEMPLATE *RingDequeue;
UINT32 RingPCS;
} TRANSFER_RING;
typedef struct _EVENT_RING {
VOID *ERSTBase;
VOID *EventRingSeg0;
UINTN TrbNumber;
TRB_TEMPLATE *EventRingEnqueue;
TRB_TEMPLATE *EventRingDequeue;
UINT32 EventRingCCS;
} EVENT_RING;
//
// URB (Usb Request Block) contains information for all kinds of
// usb requests.
//
typedef struct _URB {
UINT32 Signature;
LIST_ENTRY UrbList;
//
// Usb Device URB related information
//
USB_ENDPOINT Ep;
EFI_USB_DEVICE_REQUEST *Request;
VOID *Data;
UINTN DataLen;
VOID *DataPhy;
VOID *DataMap;
EFI_ASYNC_USB_TRANSFER_CALLBACK Callback;
VOID *Context;
//
// Execute result
//
UINT32 Result;
//
// completed data length
//
UINTN Completed;
//
// Command/Tranfer Ring info
//
TRANSFER_RING *Ring;
TRB_TEMPLATE *TrbStart;
TRB_TEMPLATE *TrbEnd;
UINTN TrbNum;
BOOLEAN StartDone;
BOOLEAN EndDone;
BOOLEAN Finished;
TRB_TEMPLATE *EvtTrb;
} URB;
//
// 6.5 Event Ring Segment Table
// The Event Ring Segment Table is used to define multi-segment Event Rings and to enable runtime
// expansion and shrinking of the Event Ring. The location of the Event Ring Segment Table is defined by the
// Event Ring Segment Table Base Address Register (5.5.2.3.2). The size of the Event Ring Segment Table
// is defined by the Event Ring Segment Table Base Size Register (5.5.2.3.1).
//
typedef struct _EVENT_RING_SEG_TABLE_ENTRY {
UINT32 PtrLo;
UINT32 PtrHi;
UINT32 RingTrbSize:16;
UINT32 RsvdZ1:16;
UINT32 RsvdZ2;
} EVENT_RING_SEG_TABLE_ENTRY;
//
// 6.4.1.1 Normal TRB
// A Normal TRB is used in several ways; exclusively on Bulk and Interrupt Transfer Rings for normal and
// Scatter/Gather operations, to define additional data buffers for Scatter/Gather operations on Isoch Transfer
// Rings, and to define the Data stage information for Control Transfer Rings.
//
typedef struct _TRANSFER_TRB_NORMAL {
UINT32 TRBPtrLo;
UINT32 TRBPtrHi;
UINT32 Length:17;
UINT32 TDSize:5;
UINT32 IntTarget:10;
UINT32 CycleBit:1;
UINT32 ENT:1;
UINT32 ISP:1;
UINT32 NS:1;
UINT32 CH:1;
UINT32 IOC:1;
UINT32 IDT:1;
UINT32 RsvdZ1:2;
UINT32 BEI:1;
UINT32 Type:6;
UINT32 RsvdZ2:16;
} TRANSFER_TRB_NORMAL;
//
// 6.4.1.2.1 Setup Stage TRB
// A Setup Stage TRB is created by system software to initiate a USB Setup packet on a control endpoint.
//
typedef struct _TRANSFER_TRB_CONTROL_SETUP {
UINT32 bmRequestType:8;
UINT32 bRequest:8;
UINT32 wValue:16;
UINT32 wIndex:16;
UINT32 wLength:16;
UINT32 Length:17;
UINT32 RsvdZ1:5;
UINT32 IntTarget:10;
UINT32 CycleBit:1;
UINT32 RsvdZ2:4;
UINT32 IOC:1;
UINT32 IDT:1;
UINT32 RsvdZ3:3;
UINT32 Type:6;
UINT32 TRT:2;
UINT32 RsvdZ4:14;
} TRANSFER_TRB_CONTROL_SETUP;
//
// 6.4.1.2.2 Data Stage TRB
// A Data Stage TRB is used generate the Data stage transaction of a USB Control transfer.
//
typedef struct _TRANSFER_TRB_CONTROL_DATA {
UINT32 TRBPtrLo;
UINT32 TRBPtrHi;
UINT32 Length:17;
UINT32 TDSize:5;
UINT32 IntTarget:10;
UINT32 CycleBit:1;
UINT32 ENT:1;
UINT32 ISP:1;
UINT32 NS:1;
UINT32 CH:1;
UINT32 IOC:1;
UINT32 IDT:1;
UINT32 RsvdZ1:3;
UINT32 Type:6;
UINT32 DIR:1;
UINT32 RsvdZ2:15;
} TRANSFER_TRB_CONTROL_DATA;
//
// 6.4.1.2.2 Data Stage TRB
// A Data Stage TRB is used generate the Data stage transaction of a USB Control transfer.
//
typedef struct _TRANSFER_TRB_CONTROL_STATUS {
UINT32 RsvdZ1;
UINT32 RsvdZ2;
UINT32 RsvdZ3:22;
UINT32 IntTarget:10;
UINT32 CycleBit:1;
UINT32 ENT:1;
UINT32 RsvdZ4:2;
UINT32 CH:1;
UINT32 IOC:1;
UINT32 RsvdZ5:4;
UINT32 Type:6;
UINT32 DIR:1;
UINT32 RsvdZ6:15;
} TRANSFER_TRB_CONTROL_STATUS;
//
// 6.4.2.1 Transfer Event TRB
// A Transfer Event provides the completion status associated with a Transfer TRB. Refer to section 4.11.3.1
// for more information on the use and operation of Transfer Events.
//
typedef struct _EVT_TRB_TRANSFER {
UINT32 TRBPtrLo;
UINT32 TRBPtrHi;
UINT32 Length:24;
UINT32 Completecode:8;
UINT32 CycleBit:1;
UINT32 RsvdZ1:1;
UINT32 ED:1;
UINT32 RsvdZ2:7;
UINT32 Type:6;
UINT32 EndpointId:5;
UINT32 RsvdZ3:3;
UINT32 SlotId:8;
} EVT_TRB_TRANSFER;
//
// 6.4.2.2 Command Completion Event TRB
// A Command Completion Event TRB shall be generated by the xHC when a command completes on the
// Command Ring. Refer to section 4.11.4 for more information on the use of Command Completion Events.
//
typedef struct _EVT_TRB_COMMAND_COMPLETION {
UINT32 TRBPtrLo;
UINT32 TRBPtrHi;
UINT32 RsvdZ2:24;
UINT32 Completecode:8;
UINT32 CycleBit:1;
UINT32 RsvdZ3:9;
UINT32 Type:6;
UINT32 VFID:8;
UINT32 SlotId:8;
} EVT_TRB_COMMAND_COMPLETION;
typedef union _TRB {
TRB_TEMPLATE TrbTemplate;
TRANSFER_TRB_NORMAL TrbNormal;
TRANSFER_TRB_CONTROL_SETUP TrbCtrSetup;
TRANSFER_TRB_CONTROL_DATA TrbCtrData;
TRANSFER_TRB_CONTROL_STATUS TrbCtrStatus;
} TRB;
//
// 6.4.3.1 No Op Command TRB
// The No Op Command TRB provides a simple means for verifying the operation of the Command Ring
// mechanisms offered by the xHCI.
//
typedef struct _CMD_TRB_NO_OP {
UINT32 RsvdZ0;
UINT32 RsvdZ1;
UINT32 RsvdZ2;
UINT32 CycleBit:1;
UINT32 RsvdZ3:9;
UINT32 Type:6;
UINT32 RsvdZ4:16;
} CMD_TRB_NO_OP;
//
// 6.4.3.2 Enable Slot Command TRB
// The Enable Slot Command TRB causes the xHC to select an available Device Slot and return the ID of the
// selected slot to the host in a Command Completion Event.
//
typedef struct _CMD_TRB_ENABLE_SLOT {
UINT32 RsvdZ0;
UINT32 RsvdZ1;
UINT32 RsvdZ2;
UINT32 CycleBit:1;
UINT32 RsvdZ3:9;
UINT32 Type:6;
UINT32 RsvdZ4:16;
} CMD_TRB_ENABLE_SLOT;
//
// 6.4.3.3 Disable Slot Command TRB
// The Disable Slot Command TRB releases any bandwidth assigned to the disabled slot and frees any
// internal xHC resources assigned to the slot.
//
typedef struct _CMD_TRB_DISABLE_SLOT {
UINT32 RsvdZ0;
UINT32 RsvdZ1;
UINT32 RsvdZ2;
UINT32 CycleBit:1;
UINT32 RsvdZ3:9;
UINT32 Type:6;
UINT32 RsvdZ4:8;
UINT32 SlotId:8;
} CMD_TRB_DISABLE_SLOT;
//
// 6.4.3.4 Address Device Command TRB
// The Address Device Command TRB transitions the selected Device Context from the Default to the
// Addressed state and causes the xHC to select an address for the USB device in the Default State and
// issue a SET_ADDRESS request to the USB device.
//
typedef struct _CMD_TRB_ADDRESS_DEVICE {
UINT32 PtrLo;
UINT32 PtrHi;
UINT32 RsvdZ1;
UINT32 CycleBit:1;
UINT32 RsvdZ2:8;
UINT32 BSR:1;
UINT32 Type:6;
UINT32 RsvdZ3:8;
UINT32 SlotId:8;
} CMD_TRB_ADDRESS_DEVICE;
//
// 6.4.3.5 Configure Endpoint Command TRB
// The Configure Endpoint Command TRB evaluates the bandwidth and resource requirements of the
// endpoints selected by the command.
//
typedef struct _CMD_TRB_CONFIG_ENDPOINT {
UINT32 PtrLo;
UINT32 PtrHi;
UINT32 RsvdZ1;
UINT32 CycleBit:1;
UINT32 RsvdZ2:8;
UINT32 DC:1;
UINT32 Type:6;
UINT32 RsvdZ3:8;
UINT32 SlotId:8;
} CMD_TRB_CONFIG_ENDPOINT;
//
// 6.4.3.6 Evaluate Context Command TRB
// The Evaluate Context Command TRB is used by system software to inform the xHC that the selected
// Context data structures in the Device Context have been modified by system software and that the xHC
// shall evaluate any changes
//
typedef struct _CMD_TRB_EVALUATE_CONTEXT {
UINT32 PtrLo;
UINT32 PtrHi;
UINT32 RsvdZ1;
UINT32 CycleBit:1;
UINT32 RsvdZ2:9;
UINT32 Type:6;
UINT32 RsvdZ3:8;
UINT32 SlotId:8;
} CMD_TRB_EVALUATE_CONTEXT;
//
// 6.4.3.7 Reset Endpoint Command TRB
// The Reset Endpoint Command TRB is used by system software to reset a specified Transfer Ring
//
typedef struct _CMD_TRB_RESET_ENDPOINT {
UINT32 RsvdZ0;
UINT32 RsvdZ1;
UINT32 RsvdZ2;
UINT32 CycleBit:1;
UINT32 RsvdZ3:8;
UINT32 TSP:1;
UINT32 Type:6;
UINT32 EDID:5;
UINT32 RsvdZ4:3;
UINT32 SlotId:8;
} CMD_TRB_RESET_ENDPOINT;
//
// 6.4.3.8 Stop Endpoint Command TRB
// The Stop Endpoint Command TRB command allows software to stop the xHC execution of the TDs on a
// Transfer Ring and temporarily take ownership of TDs that had previously been passed to the xHC.
//
typedef struct _CMD_TRB_STOP_ENDPOINT {
UINT32 RsvdZ0;
UINT32 RsvdZ1;
UINT32 RsvdZ2;
UINT32 CycleBit:1;
UINT32 RsvdZ3:9;
UINT32 Type:6;
UINT32 EDID:5;
UINT32 RsvdZ4:2;
UINT32 SP:1;
UINT32 SlotId:8;
} CMD_TRB_STOP_ENDPOINT;
//
// 6.4.3.9 Set TR Dequeue Pointer Command TRB
// The Set TR Dequeue Pointer Command TRB is used by system software to modify the TR Dequeue
// Pointer and DCS fields of an Endpoint or Stream Context.
//
typedef struct _CMD_SET_TR_DEQ_POINTER {
UINT32 PtrLo;
UINT32 PtrHi;
UINT32 RsvdZ1:16;
UINT32 StreamID:16;
UINT32 CycleBit:1;
UINT32 RsvdZ2:9;
UINT32 Type:6;
UINT32 Endpoint:5;
UINT32 RsvdZ3:3;
UINT32 SlotId:8;
} CMD_SET_TR_DEQ_POINTER;
//
// 6.4.4.1 Link TRB
// A Link TRB provides support for non-contiguous TRB Rings.
//
typedef struct _LINK_TRB {
UINT32 PtrLo;
UINT32 PtrHi;
UINT32 RsvdZ1:22;
UINT32 InterTarget:10;
UINT32 CycleBit:1;
UINT32 TC:1;
UINT32 RsvdZ2:2;
UINT32 CH:1;
UINT32 IOC:1;
UINT32 RsvdZ3:4;
UINT32 Type:6;
UINT32 RsvdZ4:16;
} LINK_TRB;
//
// 6.2.2 Slot Context
//
typedef struct _SLOT_CONTEXT {
UINT32 RouteString:20;
UINT32 Speed:4;
UINT32 RsvdZ1:1;
UINT32 MTT:1;
UINT32 Hub:1;
UINT32 ContextEntries:5;
UINT32 MaxExitLatency:16;
UINT32 RootHubPortNum:8;
UINT32 PortNum:8;
UINT32 TTHubSlotId:8;
UINT32 TTPortNum:8;
UINT32 TTT:2;
UINT32 RsvdZ2:4;
UINT32 InterTarget:10;
UINT32 DeviceAddress:8;
UINT32 RsvdZ3:19;
UINT32 SlotState:5;
UINT32 RsvdZ4;
UINT32 RsvdZ5;
UINT32 RsvdZ6;
UINT32 RsvdZ7;
} SLOT_CONTEXT;
typedef struct _SLOT_CONTEXT_64 {
UINT32 RouteString:20;
UINT32 Speed:4;
UINT32 RsvdZ1:1;
UINT32 MTT:1;
UINT32 Hub:1;
UINT32 ContextEntries:5;
UINT32 MaxExitLatency:16;
UINT32 RootHubPortNum:8;
UINT32 PortNum:8;
UINT32 TTHubSlotId:8;
UINT32 TTPortNum:8;
UINT32 TTT:2;
UINT32 RsvdZ2:4;
UINT32 InterTarget:10;
UINT32 DeviceAddress:8;
UINT32 RsvdZ3:19;
UINT32 SlotState:5;
UINT32 RsvdZ4;
UINT32 RsvdZ5;
UINT32 RsvdZ6;
UINT32 RsvdZ7;
UINT32 RsvdZ8;
UINT32 RsvdZ9;
UINT32 RsvdZ10;
UINT32 RsvdZ11;
UINT32 RsvdZ12;
UINT32 RsvdZ13;
UINT32 RsvdZ14;
UINT32 RsvdZ15;
} SLOT_CONTEXT_64;
//
// 6.2.3 Endpoint Context
//
typedef struct _ENDPOINT_CONTEXT {
UINT32 EPState:3;
UINT32 RsvdZ1:5;
UINT32 Mult:2;
UINT32 MaxPStreams:5;
UINT32 LSA:1;
UINT32 Interval:8;
UINT32 RsvdZ2:8;
UINT32 RsvdZ3:1;
UINT32 CErr:2;
UINT32 EPType:3;
UINT32 RsvdZ4:1;
UINT32 HID:1;
UINT32 MaxBurstSize:8;
UINT32 MaxPacketSize:16;
UINT32 PtrLo;
UINT32 PtrHi;
UINT32 AverageTRBLength:16;
UINT32 MaxESITPayload:16;
UINT32 RsvdZ5;
UINT32 RsvdZ6;
UINT32 RsvdZ7;
} ENDPOINT_CONTEXT;
typedef struct _ENDPOINT_CONTEXT_64 {
UINT32 EPState:3;
UINT32 RsvdZ1:5;
UINT32 Mult:2;
UINT32 MaxPStreams:5;
UINT32 LSA:1;
UINT32 Interval:8;
UINT32 RsvdZ2:8;
UINT32 RsvdZ3:1;
UINT32 CErr:2;
UINT32 EPType:3;
UINT32 RsvdZ4:1;
UINT32 HID:1;
UINT32 MaxBurstSize:8;
UINT32 MaxPacketSize:16;
UINT32 PtrLo;
UINT32 PtrHi;
UINT32 AverageTRBLength:16;
UINT32 MaxESITPayload:16;
UINT32 RsvdZ5;
UINT32 RsvdZ6;
UINT32 RsvdZ7;
UINT32 RsvdZ8;
UINT32 RsvdZ9;
UINT32 RsvdZ10;
UINT32 RsvdZ11;
UINT32 RsvdZ12;
UINT32 RsvdZ13;
UINT32 RsvdZ14;
UINT32 RsvdZ15;
} ENDPOINT_CONTEXT_64;
//
// 6.2.5.1 Input Control Context
//
typedef struct _INPUT_CONTRL_CONTEXT {
UINT32 Dword1;
UINT32 Dword2;
UINT32 RsvdZ1;
UINT32 RsvdZ2;
UINT32 RsvdZ3;
UINT32 RsvdZ4;
UINT32 RsvdZ5;
UINT32 RsvdZ6;
} INPUT_CONTRL_CONTEXT;
typedef struct _INPUT_CONTRL_CONTEXT_64 {
UINT32 Dword1;
UINT32 Dword2;
UINT32 RsvdZ1;
UINT32 RsvdZ2;
UINT32 RsvdZ3;
UINT32 RsvdZ4;
UINT32 RsvdZ5;
UINT32 RsvdZ6;
UINT32 RsvdZ7;
UINT32 RsvdZ8;
UINT32 RsvdZ9;
UINT32 RsvdZ10;
UINT32 RsvdZ11;
UINT32 RsvdZ12;
UINT32 RsvdZ13;
UINT32 RsvdZ14;
} INPUT_CONTRL_CONTEXT_64;
//
// 6.2.1 Device Context
//
typedef struct _DEVICE_CONTEXT {
SLOT_CONTEXT Slot;
ENDPOINT_CONTEXT EP[31];
} DEVICE_CONTEXT;
typedef struct _DEVICE_CONTEXT_64 {
SLOT_CONTEXT_64 Slot;
ENDPOINT_CONTEXT_64 EP[31];
} DEVICE_CONTEXT_64;
//
// 6.2.5 Input Context
//
typedef struct _INPUT_CONTEXT {
INPUT_CONTRL_CONTEXT InputControlContext;
SLOT_CONTEXT Slot;
ENDPOINT_CONTEXT EP[31];
} INPUT_CONTEXT;
typedef struct _INPUT_CONTEXT_64 {
INPUT_CONTRL_CONTEXT_64 InputControlContext;
SLOT_CONTEXT_64 Slot;
ENDPOINT_CONTEXT_64 EP[31];
} INPUT_CONTEXT_64;
/**
Initialize the XHCI host controller for schedule.
@param Xhc The XHCI Instance to be initialized.
**/
VOID
XhcInitSched (
IN USB_XHCI_INSTANCE *Xhc
);
/**
Free the resouce allocated at initializing schedule.
@param Xhc The XHCI Instance.
**/
VOID
XhcFreeSched (
IN USB_XHCI_INSTANCE *Xhc
);
/**
Ring the door bell to notify XHCI there is a transaction to be executed through URB.
@param Xhc The XHCI Instance.
@param Urb The URB to be rung.
@retval EFI_SUCCESS Successfully ring the door bell.
**/
EFI_STATUS
RingIntTransferDoorBell (
IN USB_XHCI_INSTANCE *Xhc,
IN URB *Urb
);
/**
Execute the transfer by polling the URB. This is a synchronous operation.
@param Xhc The XHCI Instance.
@param CmdTransfer The executed URB is for cmd transfer or not.
@param Urb The URB to execute.
@param Timeout The time to wait before abort, in millisecond.
@return EFI_DEVICE_ERROR The transfer failed due to transfer error.
@return EFI_TIMEOUT The transfer failed due to time out.
@return EFI_SUCCESS The transfer finished OK.
**/
EFI_STATUS
XhcExecTransfer (
IN USB_XHCI_INSTANCE *Xhc,
IN BOOLEAN CmdTransfer,
IN URB *Urb,
IN UINTN Timeout
);
/**
Delete a single asynchronous interrupt transfer for
the device and endpoint.
@param Xhc The XHCI Instance.
@param BusAddr The logical device address assigned by UsbBus driver.
@param EpNum The endpoint of the target.
@retval EFI_SUCCESS An asynchronous transfer is removed.
@retval EFI_NOT_FOUND No transfer for the device is found.
**/
EFI_STATUS
XhciDelAsyncIntTransfer (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 BusAddr,
IN UINT8 EpNum
);
/**
Remove all the asynchronous interrupt transfers.
@param Xhc The XHCI Instance.
**/
VOID
XhciDelAllAsyncIntTransfers (
IN USB_XHCI_INSTANCE *Xhc
);
/**
Set Bios Ownership
@param Xhc The XHCI Instance.
**/
VOID
XhcSetBiosOwnership (
IN USB_XHCI_INSTANCE *Xhc
);
/**
Clear Bios Ownership
@param Xhc The XHCI Instance.
**/
VOID
XhcClearBiosOwnership (
IN USB_XHCI_INSTANCE *Xhc
);
/**
Find out the slot id according to the device's route string.
@param Xhc The XHCI Instance.
@param RouteString The route string described the device location.
@return The slot id used by the device.
**/
UINT8
EFIAPI
XhcRouteStringToSlotId (
IN USB_XHCI_INSTANCE *Xhc,
IN USB_DEV_ROUTE RouteString
);
/**
Calculate the device context index by endpoint address and direction.
@param EpAddr The target endpoint number.
@param Direction The direction of the target endpoint.
@return The device context index of endpoint.
**/
UINT8
XhcEndpointToDci (
IN UINT8 EpAddr,
IN UINT8 Direction
);
/**
Ring the door bell to notify XHCI there is a transaction to be executed.
@param Xhc The XHCI Instance.
@param SlotId The slot id of the target device.
@param Dci The device context index of the target slot or endpoint.
@retval EFI_SUCCESS Successfully ring the door bell.
**/
EFI_STATUS
EFIAPI
XhcRingDoorBell (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 Dci
);
/**
Interrupt transfer periodic check handler.
@param Event Interrupt event.
@param Context Pointer to USB_XHCI_INSTANCE.
**/
VOID
EFIAPI
XhcMonitorAsyncRequests (
IN EFI_EVENT Event,
IN VOID *Context
);
/**
Monitor the port status change. Enable/Disable device slot if there is a device attached/detached.
@param Xhc The XHCI Instance.
@param ParentRouteChart The route string pointed to the parent device if it exists.
@param Port The port to be polled.
@param PortState The port state.
@retval EFI_SUCCESS Successfully enable/disable device slot according to port state.
@retval Others Should not appear.
**/
EFI_STATUS
EFIAPI
XhcPollPortStatusChange (
IN USB_XHCI_INSTANCE *Xhc,
IN USB_DEV_ROUTE ParentRouteChart,
IN UINT8 Port,
IN EFI_USB_PORT_STATUS *PortState
);
/**
Evaluate the slot context for hub device through XHCI's Configure_Endpoint cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param PortNum The total number of downstream port supported by the hub.
@param TTT The TT think time of the hub device.
@param MTT The multi-TT of the hub device.
@retval EFI_SUCCESS Successfully configure the hub device's slot context.
**/
EFI_STATUS
XhcConfigHubContext (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 PortNum,
IN UINT8 TTT,
IN UINT8 MTT
);
/**
Evaluate the slot context for hub device through XHCI's Configure_Endpoint cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param PortNum The total number of downstream port supported by the hub.
@param TTT The TT think time of the hub device.
@param MTT The multi-TT of the hub device.
@retval EFI_SUCCESS Successfully configure the hub device's slot context.
**/
EFI_STATUS
XhcConfigHubContext64 (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 PortNum,
IN UINT8 TTT,
IN UINT8 MTT
);
/**
Configure all the device endpoints through XHCI's Configure_Endpoint cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param DeviceSpeed The device's speed.
@param ConfigDesc The pointer to the usb device configuration descriptor.
@retval EFI_SUCCESS Successfully configure all the device endpoints.
**/
EFI_STATUS
EFIAPI
XhcSetConfigCmd (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 DeviceSpeed,
IN USB_CONFIG_DESCRIPTOR *ConfigDesc
);
/**
Configure all the device endpoints through XHCI's Configure_Endpoint cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param DeviceSpeed The device's speed.
@param ConfigDesc The pointer to the usb device configuration descriptor.
@retval EFI_SUCCESS Successfully configure all the device endpoints.
**/
EFI_STATUS
EFIAPI
XhcSetConfigCmd64 (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 DeviceSpeed,
IN USB_CONFIG_DESCRIPTOR *ConfigDesc
);
/**
Set interface through XHCI's Configure_Endpoint cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param DeviceSpeed The device's speed.
@param ConfigDesc The pointer to the usb device configuration descriptor.
@param Request USB device request to send.
@retval EFI_SUCCESS Successfully set interface.
**/
EFI_STATUS
EFIAPI
XhcSetInterface (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 DeviceSpeed,
IN USB_CONFIG_DESCRIPTOR *ConfigDesc,
IN EFI_USB_DEVICE_REQUEST *Request
);
/**
Set interface through XHCI's Configure_Endpoint cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param DeviceSpeed The device's speed.
@param ConfigDesc The pointer to the usb device configuration descriptor.
@param Request USB device request to send.
@retval EFI_SUCCESS Successfully set interface.
**/
EFI_STATUS
EFIAPI
XhcSetInterface64 (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 DeviceSpeed,
IN USB_CONFIG_DESCRIPTOR *ConfigDesc,
IN EFI_USB_DEVICE_REQUEST *Request
);
/**
Find out the actual device address according to the requested device address from UsbBus.
@param Xhc The XHCI Instance.
@param BusDevAddr The requested device address by UsbBus upper driver.
@return The actual device address assigned to the device.
**/
UINT8
EFIAPI
XhcBusDevAddrToSlotId (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 BusDevAddr
);
/**
Assign and initialize the device slot for a new device.
@param Xhc The XHCI Instance.
@param ParentRouteChart The route string pointed to the parent device.
@param ParentPort The port at which the device is located.
@param RouteChart The route string pointed to the device.
@param DeviceSpeed The device speed.
@retval EFI_SUCCESS Successfully assign a slot to the device and assign an address to it.
**/
EFI_STATUS
EFIAPI
XhcInitializeDeviceSlot (
IN USB_XHCI_INSTANCE *Xhc,
IN USB_DEV_ROUTE ParentRouteChart,
IN UINT16 ParentPort,
IN USB_DEV_ROUTE RouteChart,
IN UINT8 DeviceSpeed
);
/**
Assign and initialize the device slot for a new device.
@param Xhc The XHCI Instance.
@param ParentRouteChart The route string pointed to the parent device.
@param ParentPort The port at which the device is located.
@param RouteChart The route string pointed to the device.
@param DeviceSpeed The device speed.
@retval EFI_SUCCESS Successfully assign a slot to the device and assign an address to it.
**/
EFI_STATUS
EFIAPI
XhcInitializeDeviceSlot64 (
IN USB_XHCI_INSTANCE *Xhc,
IN USB_DEV_ROUTE ParentRouteChart,
IN UINT16 ParentPort,
IN USB_DEV_ROUTE RouteChart,
IN UINT8 DeviceSpeed
);
/**
Evaluate the endpoint 0 context through XHCI's Evaluate_Context cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be evaluated.
@param MaxPacketSize The max packet size supported by the device control transfer.
@retval EFI_SUCCESS Successfully evaluate the device endpoint 0.
**/
EFI_STATUS
EFIAPI
XhcEvaluateContext (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT32 MaxPacketSize
);
/**
Evaluate the endpoint 0 context through XHCI's Evaluate_Context cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be evaluated.
@param MaxPacketSize The max packet size supported by the device control transfer.
@retval EFI_SUCCESS Successfully evaluate the device endpoint 0.
**/
EFI_STATUS
EFIAPI
XhcEvaluateContext64 (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT32 MaxPacketSize
);
/**
Disable the specified device slot.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be disabled.
@retval EFI_SUCCESS Successfully disable the device slot.
**/
EFI_STATUS
EFIAPI
XhcDisableSlotCmd (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId
);
/**
Disable the specified device slot.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be disabled.
@retval EFI_SUCCESS Successfully disable the device slot.
**/
EFI_STATUS
EFIAPI
XhcDisableSlotCmd64 (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId
);
/**
Synchronize the specified transfer ring to update the enqueue and dequeue pointer.
@param Xhc The XHCI Instance.
@param TrsRing The transfer ring to sync.
@retval EFI_SUCCESS The transfer ring is synchronized successfully.
**/
EFI_STATUS
EFIAPI
XhcSyncTrsRing (
IN USB_XHCI_INSTANCE *Xhc,
TRANSFER_RING *TrsRing
);
/**
Synchronize the specified event ring to update the enqueue and dequeue pointer.
@param Xhc The XHCI Instance.
@param EvtRing The event ring to sync.
@retval EFI_SUCCESS The event ring is synchronized successfully.
**/
EFI_STATUS
EFIAPI
XhcSyncEventRing (
IN USB_XHCI_INSTANCE *Xhc,
EVENT_RING *EvtRing
);
/**
Check if there is a new generated event.
@param Xhc The XHCI Instance.
@param EvtRing The event ring to check.
@param NewEvtTrb The new event TRB found.
@retval EFI_SUCCESS Found a new event TRB at the event ring.
@retval EFI_NOT_READY The event ring has no new event.
**/
EFI_STATUS
EFIAPI
XhcCheckNewEvent (
IN USB_XHCI_INSTANCE *Xhc,
IN EVENT_RING *EvtRing,
OUT TRB_TEMPLATE **NewEvtTrb
);
/**
Create XHCI transfer ring.
@param Xhc The XHCI Instance.
@param TrbNum The number of TRB in the ring.
@param TransferRing The created transfer ring.
**/
VOID
CreateTransferRing (
IN USB_XHCI_INSTANCE *Xhc,
IN UINTN TrbNum,
OUT TRANSFER_RING *TransferRing
);
/**
Create XHCI event ring.
@param Xhc The XHCI Instance.
@param EventRing The created event ring.
**/
VOID
CreateEventRing (
IN USB_XHCI_INSTANCE *Xhc,
OUT EVENT_RING *EventRing
);
/**
System software shall use a Reset Endpoint Command (section 4.11.4.7) to remove the Halted
condition in the xHC. After the successful completion of the Reset Endpoint Command, the Endpoint
Context is transitioned from the Halted to the Stopped state and the Transfer Ring of the endpoint is
reenabled. The next write to the Doorbell of the Endpoint will transition the Endpoint Context from the
Stopped to the Running state.
@param Xhc The XHCI Instance.
@param Urb The urb which makes the endpoint halted.
@retval EFI_SUCCESS The recovery is successful.
@retval Others Failed to recovery halted endpoint.
**/
EFI_STATUS
EFIAPI
XhcRecoverHaltedEndpoint (
IN USB_XHCI_INSTANCE *Xhc,
IN URB *Urb
);
/**
System software shall use a Stop Endpoint Command (section 4.6.9) and the Set TR Dequeue Pointer
Command (section 4.6.10) to remove the timed-out TDs from the xHC transfer ring. The next write to
the Doorbell of the Endpoint will transition the Endpoint Context from the Stopped to the Running
state.
@param Xhc The XHCI Instance.
@param Urb The urb which doesn't get completed in a specified timeout range.
@retval EFI_SUCCESS The dequeuing of the TDs is successful.
@retval Others Failed to stop the endpoint and dequeue the TDs.
**/
EFI_STATUS
EFIAPI
XhcDequeueTrbFromEndpoint (
IN USB_XHCI_INSTANCE *Xhc,
IN URB *Urb
);
/**
Stop endpoint through XHCI's Stop_Endpoint cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param Dci The device context index of endpoint.
@retval EFI_SUCCESS Stop endpoint successfully.
@retval Others Failed to stop endpoint.
**/
EFI_STATUS
EFIAPI
XhcStopEndpoint (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 Dci
);
/**
Reset endpoint through XHCI's Reset_Endpoint cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param Dci The device context index of endpoint.
@retval EFI_SUCCESS Reset endpoint successfully.
@retval Others Failed to reset endpoint.
**/
EFI_STATUS
EFIAPI
XhcResetEndpoint (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 Dci
);
/**
Set transfer ring dequeue pointer through XHCI's Set_Tr_Dequeue_Pointer cmd.
@param Xhc The XHCI Instance.
@param SlotId The slot id to be configured.
@param Dci The device context index of endpoint.
@param Urb The dequeue pointer of the transfer ring specified
by the urb to be updated.
@retval EFI_SUCCESS Set transfer ring dequeue pointer succeeds.
@retval Others Failed to set transfer ring dequeue pointer.
**/
EFI_STATUS
EFIAPI
XhcSetTrDequeuePointer (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 SlotId,
IN UINT8 Dci,
IN URB *Urb
);
/**
Create a new URB for a new transaction.
@param Xhc The XHCI Instance
@param DevAddr The device address
@param EpAddr Endpoint addrress
@param DevSpeed The device speed
@param MaxPacket The max packet length of the endpoint
@param Type The transaction type
@param Request The standard USB request for control transfer
@param Data The user data to transfer
@param DataLen The length of data buffer
@param Callback The function to call when data is transferred
@param Context The context to the callback
@return Created URB or NULL
**/
URB*
XhcCreateUrb (
IN USB_XHCI_INSTANCE *Xhc,
IN UINT8 DevAddr,
IN UINT8 EpAddr,
IN UINT8 DevSpeed,
IN UINTN MaxPacket,
IN UINTN Type,
IN EFI_USB_DEVICE_REQUEST *Request,
IN VOID *Data,
IN UINTN DataLen,
IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,
IN VOID *Context
);
/**
Free an allocated URB.
@param Xhc The XHCI device.
@param Urb The URB to free.
**/
VOID
XhcFreeUrb (
IN USB_XHCI_INSTANCE *Xhc,
IN URB *Urb
);
/**
Create a transfer TRB.
@param Xhc The XHCI Instance
@param Urb The urb used to construct the transfer TRB.
@return Created TRB or NULL
**/
EFI_STATUS
XhcCreateTransferTrb (
IN USB_XHCI_INSTANCE *Xhc,
IN URB *Urb
);
#endif