- // Flow through, same behavior as Host Controller Reset
- //
- case EFI_USB_HC_RESET_HOST_CONTROLLER:
- //
- // Host Controller must be Halt when Reset it
- //
- if (!XhcIsHalt (Xhc)) {
- Status = XhcHaltHC (Xhc, XHC_GENERIC_TIMEOUT);
-
- if (EFI_ERROR (Status)) {
- Status = EFI_DEVICE_ERROR;
- goto ON_EXIT;
- }
- }
-
- Status = XhcResetHC (Xhc, XHC_RESET_TIMEOUT);
- ASSERT (!(XHC_REG_BIT_IS_SET (Xhc, XHC_USBSTS_OFFSET, XHC_USBSTS_CNR)));
-
- if (EFI_ERROR (Status)) {
- goto ON_EXIT;
- }
- //
- // Clean up the asynchronous transfers, currently only
- // interrupt supports asynchronous operation.
- //
- XhciDelAllAsyncIntTransfers (Xhc);
- XhcFreeSched (Xhc);
-
- XhcInitSched (Xhc);
- break;
-
- case EFI_USB_HC_RESET_GLOBAL_WITH_DEBUG:
- case EFI_USB_HC_RESET_HOST_WITH_DEBUG:
- Status = EFI_UNSUPPORTED;
- break;
-
- default:
- Status = EFI_INVALID_PARAMETER;
- }
-
-ON_EXIT:
- DEBUG ((EFI_D_INFO, "XhcReset: status %r\n", Status));
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-
-/**
- Retrieve the current state of the USB host controller.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param State Variable to return the current host controller
- state.
-
- @retval EFI_SUCCESS Host controller state was returned in State.
- @retval EFI_INVALID_PARAMETER State is NULL.
- @retval EFI_DEVICE_ERROR An error was encountered while attempting to
- retrieve the host controller's current state.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcGetState (
- IN EFI_USB2_HC_PROTOCOL *This,
- OUT EFI_USB_HC_STATE *State
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- EFI_TPL OldTpl;
-
- if (State == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
-
- if (XHC_REG_BIT_IS_SET (Xhc, XHC_USBSTS_OFFSET, XHC_USBSTS_HALT)) {
- *State = EfiUsbHcStateHalt;
- } else {
- *State = EfiUsbHcStateOperational;
- }
-
- DEBUG ((EFI_D_INFO, "XhcGetState: current state %d\n", *State));
- gBS->RestoreTPL (OldTpl);
-
- return EFI_SUCCESS;
-}
-
-/**
- Sets the USB host controller to a specific state.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param State The state of the host controller that will be set.
-
- @retval EFI_SUCCESS The USB host controller was successfully placed
- in the state specified by State.
- @retval EFI_INVALID_PARAMETER State is invalid.
- @retval EFI_DEVICE_ERROR Failed to set the state due to device error.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcSetState (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN EFI_USB_HC_STATE State
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- EFI_STATUS Status;
- EFI_USB_HC_STATE CurState;
- EFI_TPL OldTpl;
-
- Status = XhcGetState (This, &CurState);
-
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
-
- if (CurState == State) {
- return EFI_SUCCESS;
- }
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
-
- switch (State) {
- case EfiUsbHcStateHalt:
- Status = XhcHaltHC (Xhc, XHC_GENERIC_TIMEOUT);
- break;
-
- case EfiUsbHcStateOperational:
- if (XHC_REG_BIT_IS_SET (Xhc, XHC_USBSTS_OFFSET, XHC_USBSTS_HSE)) {
- Status = EFI_DEVICE_ERROR;
- break;
- }
-
- //
- // Software must not write a one to this field unless the host controller
- // is in the Halted state. Doing so will yield undefined results.
- // refers to Spec[XHCI1.0-2.3.1]
- //
- if (!XHC_REG_BIT_IS_SET (Xhc, XHC_USBSTS_OFFSET, XHC_USBSTS_HALT)) {
- Status = EFI_DEVICE_ERROR;
- break;
- }
-
- Status = XhcRunHC (Xhc, XHC_GENERIC_TIMEOUT);
- break;
-
- case EfiUsbHcStateSuspend:
- Status = EFI_UNSUPPORTED;
- break;
-
- default:
- Status = EFI_INVALID_PARAMETER;
- }
-
- DEBUG ((EFI_D_INFO, "XhcSetState: status %r\n", Status));
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-/**
- Retrieves the current status of a USB root hub port.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param PortNumber The root hub port to retrieve the state from.
- This value is zero-based.
- @param PortStatus Variable to receive the port state.
-
- @retval EFI_SUCCESS The status of the USB root hub port specified.
- by PortNumber was returned in PortStatus.
- @retval EFI_INVALID_PARAMETER PortNumber is invalid.
- @retval EFI_DEVICE_ERROR Can't read register.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcGetRootHubPortStatus (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 PortNumber,
- OUT EFI_USB_PORT_STATUS *PortStatus
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- UINT32 Offset;
- UINT32 State;
- UINT32 TotalPort;
- UINTN Index;
- UINTN MapSize;
- EFI_STATUS Status;
- USB_DEV_ROUTE ParentRouteChart;
- EFI_TPL OldTpl;
-
- if (PortStatus == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
- Status = EFI_SUCCESS;
-
- TotalPort = Xhc->HcSParams1.Data.MaxPorts;
-
- if (PortNumber >= TotalPort) {
- Status = EFI_INVALID_PARAMETER;
- goto ON_EXIT;
- }
-
- Offset = (UINT32) (XHC_PORTSC_OFFSET + (0x10 * PortNumber));
- PortStatus->PortStatus = 0;
- PortStatus->PortChangeStatus = 0;
-
- State = XhcReadOpReg (Xhc, Offset);
-
- //
- // According to XHCI 1.0 spec, bit 10~13 of the root port status register identifies the speed of the attached device.
- //
- switch ((State & XHC_PORTSC_PS) >> 10) {
- case 2:
- PortStatus->PortStatus |= USB_PORT_STAT_LOW_SPEED;
- break;
-
- case 3:
- PortStatus->PortStatus |= USB_PORT_STAT_HIGH_SPEED;
- break;
-
- case 4:
- PortStatus->PortStatus |= USB_PORT_STAT_SUPER_SPEED;
- break;
-
- default:
- break;
- }
-
- //
- // Convert the XHCI port/port change state to UEFI status
- //
- MapSize = sizeof (mUsbPortStateMap) / sizeof (USB_PORT_STATE_MAP);
-
- for (Index = 0; Index < MapSize; Index++) {
- if (XHC_BIT_IS_SET (State, mUsbPortStateMap[Index].HwState)) {
- PortStatus->PortStatus = (UINT16) (PortStatus->PortStatus | mUsbPortStateMap[Index].UefiState);
- }
- }
- //
- // Bit5~8 reflects its current link state.
- //
- if ((State & XHC_PORTSC_PLS) >> 5 == 3) {
- PortStatus->PortStatus |= USB_PORT_STAT_SUSPEND;
- }
-
- MapSize = sizeof (mUsbPortChangeMap) / sizeof (USB_PORT_STATE_MAP);
-
- for (Index = 0; Index < MapSize; Index++) {
- if (XHC_BIT_IS_SET (State, mUsbPortChangeMap[Index].HwState)) {
- PortStatus->PortChangeStatus = (UINT16) (PortStatus->PortChangeStatus | mUsbPortChangeMap[Index].UefiState);
- }
- }
-
- //
- // Poll the root port status register to enable/disable corresponding device slot if there is a device attached/detached.
- // For those devices behind hub, we get its attach/detach event by hooking Get_Port_Status request at control transfer for those hub.
- //
- ParentRouteChart.Dword = 0;
- XhcPollPortStatusChange (Xhc, ParentRouteChart, PortNumber, PortStatus);
-
-ON_EXIT:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-
-/**
- Sets a feature for the specified root hub port.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param PortNumber Root hub port to set.
- @param PortFeature Feature to set.
-
- @retval EFI_SUCCESS The feature specified by PortFeature was set.
- @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.
- @retval EFI_DEVICE_ERROR Can't read register.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcSetRootHubPortFeature (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 PortNumber,
- IN EFI_USB_PORT_FEATURE PortFeature
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- UINT32 Offset;
- UINT32 State;
- UINT32 TotalPort;
- UINT8 SlotId;
- USB_DEV_ROUTE RouteChart;
- EFI_STATUS Status;
- EFI_TPL OldTpl;
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
- Status = EFI_SUCCESS;
-
- TotalPort = (Xhc->HcSParams1.Data.MaxPorts);
-
- if (PortNumber >= TotalPort) {
- Status = EFI_INVALID_PARAMETER;
- goto ON_EXIT;
- }
-
- Offset = (UINT32) (XHC_PORTSC_OFFSET + (0x10 * PortNumber));
- State = XhcReadOpReg (Xhc, Offset);
-
- //
- // Mask off the port status change bits, these bits are
- // write clean bit
- //
- State &= ~ (BIT1 | BIT17 | BIT18 | BIT19 | BIT20 | BIT21 | BIT22 | BIT23);
-
- switch (PortFeature) {
- case EfiUsbPortEnable:
- //
- // Ports may only be enabled by the xHC. Software cannot enable a port by writing a '1' to this flag.
- // A port may be disabled by software writing a '1' to this flag.
- //
- Status = EFI_SUCCESS;
- break;
-
- case EfiUsbPortSuspend:
- State |= XHC_PORTSC_LWS;
- XhcWriteOpReg (Xhc, Offset, State);
- State &= ~XHC_PORTSC_PLS;
- State |= (3 << 5) ;
- XhcWriteOpReg (Xhc, Offset, State);
- break;
-
- case EfiUsbPortReset:
- DEBUG ((EFI_D_INFO, "XhcUsbPortReset!\n"));
- //
- // Make sure Host Controller not halt before reset it
- //
- if (XhcIsHalt (Xhc)) {
- Status = XhcRunHC (Xhc, XHC_GENERIC_TIMEOUT);
-
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_INFO, "XhcSetRootHubPortFeature :failed to start HC - %r\n", Status));
- break;
- }
- }
-
- RouteChart.Route.RouteString = 0;
- RouteChart.Route.RootPortNum = PortNumber + 1;
- RouteChart.Route.TierNum = 1;
- //
- // If the port reset operation happens after the usb super speed device is enabled,
- // The subsequent configuration, such as getting device descriptor, will fail.
- // So here a workaround is introduced to skip the reset operation if the device is enabled.
- //
- SlotId = XhcRouteStringToSlotId (Xhc, RouteChart);
- if (SlotId == 0) {
- //
- // 4.3.1 Resetting a Root Hub Port
- // 1) Write the PORTSC register with the Port Reset (PR) bit set to '1'.
- //
- State |= XHC_PORTSC_RESET;
- XhcWriteOpReg (Xhc, Offset, State);
- XhcWaitOpRegBit(Xhc, Offset, XHC_PORTSC_PRC, TRUE, XHC_GENERIC_TIMEOUT);
- }
- break;
-
- case EfiUsbPortPower:
- //
- // Not supported, ignore the operation
- //
- Status = EFI_SUCCESS;
- break;
-
- case EfiUsbPortOwner:
- //
- // XHCI root hub port don't has the owner bit, ignore the operation
- //
- Status = EFI_SUCCESS;
- break;
-
- default:
- Status = EFI_INVALID_PARAMETER;
- }
-
-ON_EXIT:
- DEBUG ((EFI_D_INFO, "XhcSetRootHubPortFeature: status %r\n", Status));
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-
-/**
- Clears a feature for the specified root hub port.
-
- @param This A pointer to the EFI_USB2_HC_PROTOCOL instance.
- @param PortNumber Specifies the root hub port whose feature is
- requested to be cleared.
- @param PortFeature Indicates the feature selector associated with the
- feature clear request.
-
- @retval EFI_SUCCESS The feature specified by PortFeature was cleared
- for the USB root hub port specified by PortNumber.
- @retval EFI_INVALID_PARAMETER PortNumber is invalid or PortFeature is invalid.
- @retval EFI_DEVICE_ERROR Can't read register.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcClearRootHubPortFeature (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 PortNumber,
- IN EFI_USB_PORT_FEATURE PortFeature
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- UINT32 Offset;
- UINT32 State;
- UINT32 TotalPort;
- EFI_STATUS Status;
- EFI_TPL OldTpl;
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
- Status = EFI_SUCCESS;
-
- TotalPort = (Xhc->HcSParams1.Data.MaxPorts);
-
- if (PortNumber >= TotalPort) {
- Status = EFI_INVALID_PARAMETER;
- goto ON_EXIT;
- }
-
- Offset = XHC_PORTSC_OFFSET + (0x10 * PortNumber);
-
- //
- // Mask off the port status change bits, these bits are
- // write clean bit
- //
- State = XhcReadOpReg (Xhc, Offset);
- State &= ~ (BIT1 | BIT17 | BIT18 | BIT19 | BIT20 | BIT21 | BIT22 | BIT23);
-
- switch (PortFeature) {
- case EfiUsbPortEnable:
- //
- // Ports may only be enabled by the xHC. Software cannot enable a port by writing a '1' to this flag.
- // A port may be disabled by software writing a '1' to this flag.
- //
- State |= XHC_PORTSC_PED;
- State &= ~XHC_PORTSC_RESET;
- XhcWriteOpReg (Xhc, Offset, State);
- break;
-
- case EfiUsbPortSuspend:
- State |= XHC_PORTSC_LWS;
- XhcWriteOpReg (Xhc, Offset, State);
- State &= ~XHC_PORTSC_PLS;
- XhcWriteOpReg (Xhc, Offset, State);
- break;
-
- case EfiUsbPortReset:
- //
- // PORTSC_RESET BIT(4) bit is RW1S attribute, which means Write-1-to-set status:
- // Register bits indicate status when read, a clear bit may be set by
- // writing a '1'. Writing a '0' to RW1S bits has no effect.
- //
- break;
-
- case EfiUsbPortOwner:
- //
- // XHCI root hub port don't has the owner bit, ignore the operation
- //
- break;
-
- case EfiUsbPortConnectChange:
- //
- // Clear connect status change
- //
- State |= XHC_PORTSC_CSC;
- XhcWriteOpReg (Xhc, Offset, State);
- break;
-
- case EfiUsbPortEnableChange:
- //
- // Clear enable status change
- //
- State |= XHC_PORTSC_PEC;
- XhcWriteOpReg (Xhc, Offset, State);
- break;
-
- case EfiUsbPortOverCurrentChange:
- //
- // Clear PortOverCurrent change
- //
- State |= XHC_PORTSC_OCC;
- XhcWriteOpReg (Xhc, Offset, State);
- break;
-
- case EfiUsbPortResetChange:
- //
- // Clear Port Reset change
- //
- State |= XHC_PORTSC_PRC;
- XhcWriteOpReg (Xhc, Offset, State);
- break;
-
- case EfiUsbPortPower:
- case EfiUsbPortSuspendChange:
- //
- // Not supported or not related operation
- //
- break;
-
- default:
- Status = EFI_INVALID_PARAMETER;
- break;
- }
-
-ON_EXIT:
- DEBUG ((EFI_D_INFO, "XhcClearRootHubPortFeature: status %r\n", Status));
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-
-/**
- Submits control transfer to a target USB device.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param DeviceAddress The target device address.
- @param DeviceSpeed Target device speed.
- @param MaximumPacketLength Maximum packet size the default control transfer
- endpoint is capable of sending or receiving.
- @param Request USB device request to send.
- @param TransferDirection Specifies the data direction for the data stage
- @param Data Data buffer to be transmitted or received from USB
- device.
- @param DataLength The size (in bytes) of the data buffer.
- @param Timeout Indicates the maximum timeout, in millisecond.
- @param Translator Transaction translator to be used by this device.
- @param TransferResult Return the result of this control transfer.
-
- @retval EFI_SUCCESS Transfer was completed successfully.
- @retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resources.
- @retval EFI_INVALID_PARAMETER Some parameters are invalid.
- @retval EFI_TIMEOUT Transfer failed due to timeout.
- @retval EFI_DEVICE_ERROR Transfer failed due to host controller or device error.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcControlTransfer (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 DeviceAddress,
- IN UINT8 DeviceSpeed,
- IN UINTN MaximumPacketLength,
- IN EFI_USB_DEVICE_REQUEST *Request,
- IN EFI_USB_DATA_DIRECTION TransferDirection,
- IN OUT VOID *Data,
- IN OUT UINTN *DataLength,
- IN UINTN Timeout,
- IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
- OUT UINT32 *TransferResult
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- URB *Urb;
- UINT8 Endpoint;
- UINT8 Index;
- UINT8 DescriptorType;
- UINT8 SlotId;
- UINT8 TTT;
- UINT8 MTT;
- UINT32 MaxPacket0;
- EFI_USB_HUB_DESCRIPTOR *HubDesc;
- EFI_TPL OldTpl;
- EFI_STATUS Status;
- EFI_STATUS RecoveryStatus;
- UINTN MapSize;
- EFI_USB_PORT_STATUS PortStatus;
- UINT32 State;
-
- //
- // Validate parameters
- //
- if ((Request == NULL) || (TransferResult == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((TransferDirection != EfiUsbDataIn) &&
- (TransferDirection != EfiUsbDataOut) &&
- (TransferDirection != EfiUsbNoData)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((TransferDirection == EfiUsbNoData) &&
- ((Data != NULL) || (*DataLength != 0))) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((TransferDirection != EfiUsbNoData) &&
- ((Data == NULL) || (*DataLength == 0))) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((MaximumPacketLength != 8) && (MaximumPacketLength != 16) &&
- (MaximumPacketLength != 32) && (MaximumPacketLength != 64) &&
- (MaximumPacketLength != 512)
- ) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((DeviceSpeed == EFI_USB_SPEED_LOW) && (MaximumPacketLength != 8)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((DeviceSpeed == EFI_USB_SPEED_SUPER) && (MaximumPacketLength != 512)) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
-
- Status = EFI_DEVICE_ERROR;
- *TransferResult = EFI_USB_ERR_SYSTEM;
-
- if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {
- DEBUG ((EFI_D_ERROR, "XhcControlTransfer: HC halted at entrance\n"));
- goto ON_EXIT;
- }
-
- //
- // Check if the device is still enabled before every transaction.
- //
- SlotId = XhcBusDevAddrToSlotId (Xhc, DeviceAddress);
- if (SlotId == 0) {
- goto ON_EXIT;
- }
-
- //
- // Hook the Set_Address request from UsbBus.
- // According to XHCI 1.0 spec, the Set_Address request is replaced by XHCI's Address_Device cmd.
- //
- if ((Request->Request == USB_REQ_SET_ADDRESS) &&
- (Request->RequestType == USB_REQUEST_TYPE (EfiUsbNoData, USB_REQ_TYPE_STANDARD, USB_TARGET_DEVICE))) {
- //
- // Reset the BusDevAddr field of all disabled entries in UsbDevContext array firstly.
- // This way is used to clean the history to avoid using wrong device address by XhcAsyncInterruptTransfer().
- //
- for (Index = 0; Index < 255; Index++) {
- if (!Xhc->UsbDevContext[Index + 1].Enabled &&
- (Xhc->UsbDevContext[Index + 1].SlotId == 0) &&
- (Xhc->UsbDevContext[Index + 1].BusDevAddr == (UINT8)Request->Value)) {
- Xhc->UsbDevContext[Index + 1].BusDevAddr = 0;
- }
- }
- //
- // The actual device address has been assigned by XHCI during initializing the device slot.
- // So we just need establish the mapping relationship between the device address requested from UsbBus
- // and the actual device address assigned by XHCI. The the following invocations through EFI_USB2_HC_PROTOCOL interface
- // can find out the actual device address by it.
- //
- Xhc->UsbDevContext[SlotId].BusDevAddr = (UINT8)Request->Value;
- Status = EFI_SUCCESS;
- goto ON_EXIT;
- }
-
- //
- // If the port reset operation happens after the usb super speed device is enabled,
- // The subsequent configuration, such as getting device descriptor, will fail.
- // So here a workaround is introduced to skip the reset operation if the device is enabled.
- //
- if ((Request->Request == USB_REQ_SET_FEATURE) &&
- (Request->RequestType == USB_REQUEST_TYPE (EfiUsbNoData, USB_REQ_TYPE_CLASS, USB_TARGET_OTHER)) &&
- (Request->Value == EfiUsbPortReset)) {
- if (DeviceSpeed == EFI_USB_SPEED_SUPER) {
- Status = EFI_SUCCESS;
- goto ON_EXIT;
- }
- }
-
- //
- // Create a new URB, insert it into the asynchronous
- // schedule list, then poll the execution status.
- // Note that we encode the direction in address although default control
- // endpoint is bidirectional. XhcCreateUrb expects this
- // combination of Ep addr and its direction.
- //
- Endpoint = (UINT8) (0 | ((TransferDirection == EfiUsbDataIn) ? 0x80 : 0));
- Urb = XhcCreateUrb (
- Xhc,
- DeviceAddress,
- Endpoint,
- DeviceSpeed,
- MaximumPacketLength,
- XHC_CTRL_TRANSFER,
- Request,
- Data,
- *DataLength,
- NULL,
- NULL
- );
-
- if (Urb == NULL) {
- DEBUG ((EFI_D_ERROR, "XhcControlTransfer: failed to create URB"));
- Status = EFI_OUT_OF_RESOURCES;
- goto ON_EXIT;
- }
-
- Status = XhcExecTransfer (Xhc, FALSE, Urb, Timeout);
-
- //
- // Get the status from URB. The result is updated in XhcCheckUrbResult
- // which is called by XhcExecTransfer
- //
- *TransferResult = Urb->Result;
- *DataLength = Urb->Completed;
-
- if (*TransferResult == EFI_USB_NOERROR) {
- Status = EFI_SUCCESS;
- } else if (*TransferResult == EFI_USB_ERR_STALL) {
- RecoveryStatus = XhcRecoverHaltedEndpoint(Xhc, Urb);
- ASSERT_EFI_ERROR (RecoveryStatus);
- Status = EFI_DEVICE_ERROR;
- goto FREE_URB;
- } else {
- goto FREE_URB;
- }
-
- //
- // Hook Get_Descriptor request from UsbBus as we need evaluate context and configure endpoint.
- // Hook Get_Status request form UsbBus as we need trace device attach/detach event happened at hub.
- // Hook Set_Config request from UsbBus as we need configure device endpoint.
- //
- if ((Request->Request == USB_REQ_GET_DESCRIPTOR) &&
- ((Request->RequestType == USB_REQUEST_TYPE (EfiUsbDataIn, USB_REQ_TYPE_STANDARD, USB_TARGET_DEVICE)) ||
- ((Request->RequestType == USB_REQUEST_TYPE (EfiUsbDataIn, USB_REQ_TYPE_CLASS, USB_TARGET_DEVICE))))) {
- DescriptorType = (UINT8)(Request->Value >> 8);
- if ((DescriptorType == USB_DESC_TYPE_DEVICE) && (*DataLength == sizeof (EFI_USB_DEVICE_DESCRIPTOR))) {
- ASSERT (Data != NULL);
- //
- // Store a copy of device scriptor as hub device need this info to configure endpoint.
- //
- CopyMem (&Xhc->UsbDevContext[SlotId].DevDesc, Data, *DataLength);
- if (Xhc->UsbDevContext[SlotId].DevDesc.BcdUSB == 0x0300) {
- //
- // If it's a usb3.0 device, then its max packet size is a 2^n.
- //
- MaxPacket0 = 1 << Xhc->UsbDevContext[SlotId].DevDesc.MaxPacketSize0;
- } else {
- MaxPacket0 = Xhc->UsbDevContext[SlotId].DevDesc.MaxPacketSize0;
- }
- Xhc->UsbDevContext[SlotId].ConfDesc = AllocateZeroPool (Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations * sizeof (EFI_USB_CONFIG_DESCRIPTOR *));
- if (Xhc->HcCParams.Data.Csz == 0) {
- Status = XhcEvaluateContext (Xhc, SlotId, MaxPacket0);
- } else {
- Status = XhcEvaluateContext64 (Xhc, SlotId, MaxPacket0);
- }
- ASSERT_EFI_ERROR (Status);
- } else if (DescriptorType == USB_DESC_TYPE_CONFIG) {
- ASSERT (Data != NULL);
- if (*DataLength == ((UINT16 *)Data)[1]) {
- //
- // Get configuration value from request, Store the configuration descriptor for Configure_Endpoint cmd.
- //
- Index = (UINT8)Request->Value;
- ASSERT (Index < Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations);
- Xhc->UsbDevContext[SlotId].ConfDesc[Index] = AllocateZeroPool(*DataLength);
- CopyMem (Xhc->UsbDevContext[SlotId].ConfDesc[Index], Data, *DataLength);
- }
- } else if (((DescriptorType == USB_DESC_TYPE_HUB) ||
- (DescriptorType == USB_DESC_TYPE_HUB_SUPER_SPEED)) && (*DataLength > 2)) {
- ASSERT (Data != NULL);
- HubDesc = (EFI_USB_HUB_DESCRIPTOR *)Data;
- ASSERT (HubDesc->NumPorts <= 15);
- //
- // The bit 5,6 of HubCharacter field of Hub Descriptor is TTT.
- //
- TTT = (UINT8)((HubDesc->HubCharacter & (BIT5 | BIT6)) >> 5);
- if (Xhc->UsbDevContext[SlotId].DevDesc.DeviceProtocol == 2) {
- //
- // Don't support multi-TT feature for super speed hub now.
- //
- MTT = 0;
- DEBUG ((EFI_D_ERROR, "XHCI: Don't support multi-TT feature for Hub now. (force to disable MTT)\n"));
- } else {
- MTT = 0;
- }
-
- if (Xhc->HcCParams.Data.Csz == 0) {
- Status = XhcConfigHubContext (Xhc, SlotId, HubDesc->NumPorts, TTT, MTT);
- } else {
- Status = XhcConfigHubContext64 (Xhc, SlotId, HubDesc->NumPorts, TTT, MTT);
- }
- ASSERT_EFI_ERROR (Status);
- }
- } else if ((Request->Request == USB_REQ_SET_CONFIG) &&
- (Request->RequestType == USB_REQUEST_TYPE (EfiUsbNoData, USB_REQ_TYPE_STANDARD, USB_TARGET_DEVICE))) {
- //
- // Hook Set_Config request from UsbBus as we need configure device endpoint.
- //
- for (Index = 0; Index < Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations; Index++) {
- if (Xhc->UsbDevContext[SlotId].ConfDesc[Index]->ConfigurationValue == (UINT8)Request->Value) {
- if (Xhc->HcCParams.Data.Csz == 0) {
- Status = XhcSetConfigCmd (Xhc, SlotId, DeviceSpeed, Xhc->UsbDevContext[SlotId].ConfDesc[Index]);
- } else {
- Status = XhcSetConfigCmd64 (Xhc, SlotId, DeviceSpeed, Xhc->UsbDevContext[SlotId].ConfDesc[Index]);
- }
- ASSERT_EFI_ERROR (Status);
- break;
- }
- }
- } else if ((Request->Request == USB_REQ_GET_STATUS) &&
- (Request->RequestType == USB_REQUEST_TYPE (EfiUsbDataIn, USB_REQ_TYPE_CLASS, USB_TARGET_OTHER))) {
- ASSERT (Data != NULL);
- //
- // Hook Get_Status request from UsbBus to keep track of the port status change.
- //
- State = *(UINT32 *)Data;
- PortStatus.PortStatus = 0;
- PortStatus.PortChangeStatus = 0;
-
- if (DeviceSpeed == EFI_USB_SPEED_SUPER) {
- //
- // For super speed hub, its bit10~12 presents the attached device speed.
- //
- if ((State & XHC_PORTSC_PS) >> 10 == 0) {
- PortStatus.PortStatus |= USB_PORT_STAT_SUPER_SPEED;
- }
- } else if (DeviceSpeed == EFI_USB_SPEED_HIGH) {
- //
- // For high speed hub, its bit9~10 presents the attached device speed.
- //
- if (XHC_BIT_IS_SET (State, BIT9)) {
- PortStatus.PortStatus |= USB_PORT_STAT_LOW_SPEED;
- } else if (XHC_BIT_IS_SET (State, BIT10)) {
- PortStatus.PortStatus |= USB_PORT_STAT_HIGH_SPEED;
- }
- } else {
- ASSERT (0);
- }
-
- //
- // Convert the XHCI port/port change state to UEFI status
- //
- MapSize = sizeof (mUsbHubPortStateMap) / sizeof (USB_PORT_STATE_MAP);
- for (Index = 0; Index < MapSize; Index++) {
- if (XHC_BIT_IS_SET (State, mUsbHubPortStateMap[Index].HwState)) {
- PortStatus.PortStatus = (UINT16) (PortStatus.PortStatus | mUsbHubPortStateMap[Index].UefiState);
- }
- }
-
- MapSize = sizeof (mUsbHubPortChangeMap) / sizeof (USB_PORT_STATE_MAP);
- for (Index = 0; Index < MapSize; Index++) {
- if (XHC_BIT_IS_SET (State, mUsbHubPortChangeMap[Index].HwState)) {
- PortStatus.PortChangeStatus = (UINT16) (PortStatus.PortChangeStatus | mUsbHubPortChangeMap[Index].UefiState);
- }
- }
-
- XhcPollPortStatusChange (Xhc, Xhc->UsbDevContext[SlotId].RouteString, (UINT8)Request->Index, &PortStatus);
-
- *(UINT32 *)Data = *(UINT32*)&PortStatus;
- }
-
-FREE_URB:
- FreePool (Urb);
-
-ON_EXIT:
-
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "XhcControlTransfer: error - %r, transfer - %x\n", Status, *TransferResult));
- }
-
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-
-/**
- Submits bulk transfer to a bulk endpoint of a USB device.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param DeviceAddress Target device address.
- @param EndPointAddress Endpoint number and its direction in bit 7.
- @param DeviceSpeed Device speed, Low speed device doesn't support bulk
- transfer.
- @param MaximumPacketLength Maximum packet size the endpoint is capable of
- sending or receiving.
- @param DataBuffersNumber Number of data buffers prepared for the transfer.
- @param Data Array of pointers to the buffers of data to transmit
- from or receive into.
- @param DataLength The lenght of the data buffer.
- @param 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.
- @param Timeout Indicates the maximum time, in millisecond, which
- the transfer is allowed to complete.
- @param Translator A pointr to the transaction translator data.
- @param TransferResult A pointer to the detailed result information of the
- bulk transfer.
-
- @retval EFI_SUCCESS The transfer was completed successfully.
- @retval EFI_OUT_OF_RESOURCES The transfer failed due to lack of resource.
- @retval EFI_INVALID_PARAMETER Some parameters are invalid.
- @retval EFI_TIMEOUT The transfer failed due to timeout.
- @retval EFI_DEVICE_ERROR The transfer failed due to host controller error.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcBulkTransfer (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 DeviceAddress,
- IN UINT8 EndPointAddress,
- IN UINT8 DeviceSpeed,
- IN UINTN MaximumPacketLength,
- IN UINT8 DataBuffersNumber,
- IN OUT VOID *Data[EFI_USB_MAX_BULK_BUFFER_NUM],
- IN OUT UINTN *DataLength,
- IN OUT UINT8 *DataToggle,
- IN UINTN Timeout,
- IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
- OUT UINT32 *TransferResult
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- URB *Urb;
- UINT8 SlotId;
- EFI_STATUS Status;
- EFI_STATUS RecoveryStatus;
- EFI_TPL OldTpl;
-
- //
- // Validate the parameters
- //
- if ((DataLength == NULL) || (*DataLength == 0) ||
- (Data == NULL) || (Data[0] == NULL) || (TransferResult == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((*DataToggle != 0) && (*DataToggle != 1)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((DeviceSpeed == EFI_USB_SPEED_LOW) ||
- ((DeviceSpeed == EFI_USB_SPEED_FULL) && (MaximumPacketLength > 64)) ||
- ((EFI_USB_SPEED_HIGH == DeviceSpeed) && (MaximumPacketLength > 512)) ||
- ((EFI_USB_SPEED_SUPER == DeviceSpeed) && (MaximumPacketLength > 1024))) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
-
- *TransferResult = EFI_USB_ERR_SYSTEM;
- Status = EFI_DEVICE_ERROR;
-
- if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {
- DEBUG ((EFI_D_ERROR, "XhcBulkTransfer: HC is halted\n"));
- goto ON_EXIT;
- }
-
- //
- // Check if the device is still enabled before every transaction.
- //
- SlotId = XhcBusDevAddrToSlotId (Xhc, DeviceAddress);
- if (SlotId == 0) {
- goto ON_EXIT;
- }
-
- //
- // Create a new URB, insert it into the asynchronous
- // schedule list, then poll the execution status.
- //
- Urb = XhcCreateUrb (
- Xhc,
- DeviceAddress,
- EndPointAddress,
- DeviceSpeed,
- MaximumPacketLength,
- XHC_BULK_TRANSFER,
- NULL,
- Data[0],
- *DataLength,
- NULL,
- NULL
- );
-
- if (Urb == NULL) {
- DEBUG ((EFI_D_ERROR, "XhcBulkTransfer: failed to create URB\n"));
- Status = EFI_OUT_OF_RESOURCES;
- goto ON_EXIT;
- }
-
- Status = XhcExecTransfer (Xhc, FALSE, Urb, Timeout);
-
- *TransferResult = Urb->Result;
- *DataLength = Urb->Completed;
-
- if (*TransferResult == EFI_USB_NOERROR) {
- Status = EFI_SUCCESS;
- } else if (*TransferResult == EFI_USB_ERR_STALL) {
- RecoveryStatus = XhcRecoverHaltedEndpoint(Xhc, Urb);
- ASSERT_EFI_ERROR (RecoveryStatus);
- Status = EFI_DEVICE_ERROR;
- }
-
- FreePool (Urb);
-
-ON_EXIT:
-
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "XhcBulkTransfer: error - %r, transfer - %x\n", Status, *TransferResult));
- }
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-/**
- Submits an asynchronous interrupt transfer to an
- interrupt endpoint of a USB device.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param DeviceAddress Target device address.
- @param EndPointAddress Endpoint number and its direction encoded in bit 7
- @param DeviceSpeed Indicates device speed.
- @param MaximumPacketLength Maximum packet size the target endpoint is capable
- @param IsNewTransfer If TRUE, to submit an new asynchronous interrupt
- transfer If FALSE, to remove the specified
- asynchronous interrupt.
- @param DataToggle On input, the initial data toggle to use; on output,
- it is updated to indicate the next data toggle.
- @param PollingInterval The he interval, in milliseconds, that the transfer
- is polled.
- @param DataLength The length of data to receive at the rate specified
- by PollingInterval.
- @param Translator Transaction translator to use.
- @param CallBackFunction Function to call at the rate specified by
- PollingInterval.
- @param Context Context to CallBackFunction.
-
- @retval EFI_SUCCESS The request has been successfully submitted or canceled.
- @retval EFI_INVALID_PARAMETER Some parameters are invalid.
- @retval EFI_OUT_OF_RESOURCES The request failed due to a lack of resources.
- @retval EFI_DEVICE_ERROR The transfer failed due to host controller error.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcAsyncInterruptTransfer (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 DeviceAddress,
- IN UINT8 EndPointAddress,
- IN UINT8 DeviceSpeed,
- IN UINTN MaximumPacketLength,
- IN BOOLEAN IsNewTransfer,
- IN OUT UINT8 *DataToggle,
- IN UINTN PollingInterval,
- IN UINTN DataLength,
- IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
- IN EFI_ASYNC_USB_TRANSFER_CALLBACK CallBackFunction,
- IN VOID *Context OPTIONAL
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- URB *Urb;
- EFI_STATUS Status;
- UINT8 SlotId;
- UINT8 Index;
- UINT8 *Data;
- EFI_TPL OldTpl;
-
- //
- // Validate parameters
- //
- if (!XHCI_IS_DATAIN (EndPointAddress)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (IsNewTransfer) {
- if (DataLength == 0) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((*DataToggle != 1) && (*DataToggle != 0)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((PollingInterval > 255) || (PollingInterval < 1)) {
- return EFI_INVALID_PARAMETER;
- }
- }
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
-
- //
- // Delete Async interrupt transfer request.
- //
- if (!IsNewTransfer) {
- //
- // The delete request may happen after device is detached.
- //
- for (Index = 0; Index < 255; Index++) {
- if (Xhc->UsbDevContext[Index + 1].BusDevAddr == DeviceAddress) {
- break;
- }
- }
-
- if (Index == 255) {
- Status = EFI_INVALID_PARAMETER;
- goto ON_EXIT;
- }
-
- Status = XhciDelAsyncIntTransfer (Xhc, DeviceAddress, EndPointAddress);
- DEBUG ((EFI_D_INFO, "XhcAsyncInterruptTransfer: remove old transfer for addr %d, Status = %r\n", DeviceAddress, Status));
- goto ON_EXIT;
- }
-
- Status = EFI_SUCCESS;
-
- if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {
- DEBUG ((EFI_D_ERROR, "XhcAsyncInterruptTransfer: HC is halt\n"));
- Status = EFI_DEVICE_ERROR;
- goto ON_EXIT;
- }
-
- //
- // Check if the device is still enabled before every transaction.
- //
- SlotId = XhcBusDevAddrToSlotId (Xhc, DeviceAddress);
- if (SlotId == 0) {
- goto ON_EXIT;
- }
-
- Data = AllocateZeroPool (DataLength);
-
- if (Data == NULL) {
- DEBUG ((EFI_D_ERROR, "XhcAsyncInterruptTransfer: failed to allocate buffer\n"));
- Status = EFI_OUT_OF_RESOURCES;
- goto ON_EXIT;
- }
-
- Urb = XhcCreateUrb (
- Xhc,
- DeviceAddress,
- EndPointAddress,
- DeviceSpeed,
- MaximumPacketLength,
- XHC_INT_TRANSFER_ASYNC,
- NULL,
- Data,
- DataLength,
- CallBackFunction,
- Context
- );
-
- if (Urb == NULL) {
- DEBUG ((EFI_D_ERROR, "XhcAsyncInterruptTransfer: failed to create URB\n"));
- FreePool (Data);
- Status = EFI_OUT_OF_RESOURCES;
- goto ON_EXIT;
- }
-
- InsertHeadList (&Xhc->AsyncIntTransfers, &Urb->UrbList);
- //
- // Ring the doorbell
- //
- Status = RingIntTransferDoorBell (Xhc, Urb);
-
-ON_EXIT:
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-
-/**
- Submits synchronous interrupt transfer to an interrupt endpoint
- of a USB device.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param DeviceAddress Target device address.
- @param EndPointAddress Endpoint number and its direction encoded in bit 7
- @param DeviceSpeed Indicates device speed.
- @param MaximumPacketLength Maximum packet size the target endpoint is capable
- of sending or receiving.
- @param Data Buffer of data that will be transmitted to USB
- device or received from USB device.
- @param DataLength On input, the size, in bytes, of the data buffer; On
- output, the number of bytes transferred.
- @param DataToggle On input, the initial data toggle to use; on output,
- it is updated to indicate the next data toggle.
- @param Timeout Maximum time, in second, to complete.
- @param Translator Transaction translator to use.
- @param TransferResult Variable to receive the transfer result.
-
- @return EFI_SUCCESS The transfer was completed successfully.
- @return EFI_OUT_OF_RESOURCES The transfer failed due to lack of resource.
- @return EFI_INVALID_PARAMETER Some parameters are invalid.
- @return EFI_TIMEOUT The transfer failed due to timeout.
- @return EFI_DEVICE_ERROR The failed due to host controller or device error
-
-**/
-EFI_STATUS
-EFIAPI
-XhcSyncInterruptTransfer (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 DeviceAddress,
- IN UINT8 EndPointAddress,
- IN UINT8 DeviceSpeed,
- IN UINTN MaximumPacketLength,
- IN OUT VOID *Data,
- IN OUT UINTN *DataLength,
- IN OUT UINT8 *DataToggle,
- IN UINTN Timeout,
- IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
- OUT UINT32 *TransferResult
- )
-{
- USB_XHCI_INSTANCE *Xhc;
- URB *Urb;
- UINT8 SlotId;
- EFI_STATUS Status;
- EFI_STATUS RecoveryStatus;
- EFI_TPL OldTpl;
-
- //
- // Validates parameters
- //
- if ((DataLength == NULL) || (*DataLength == 0) ||
- (Data == NULL) || (TransferResult == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (!XHCI_IS_DATAIN (EndPointAddress)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if ((*DataToggle != 1) && (*DataToggle != 0)) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (((DeviceSpeed == EFI_USB_SPEED_LOW) && (MaximumPacketLength != 8)) ||
- ((DeviceSpeed == EFI_USB_SPEED_FULL) && (MaximumPacketLength > 64)) ||
- ((DeviceSpeed == EFI_USB_SPEED_HIGH) && (MaximumPacketLength > 3072))) {
- return EFI_INVALID_PARAMETER;
- }
-
- OldTpl = gBS->RaiseTPL (XHC_TPL);
-
- Xhc = XHC_FROM_THIS (This);
-
- *TransferResult = EFI_USB_ERR_SYSTEM;
- Status = EFI_DEVICE_ERROR;
-
- if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {
- DEBUG ((EFI_D_ERROR, "EhcSyncInterruptTransfer: HC is halt\n"));
- goto ON_EXIT;
- }
-
- //
- // Check if the device is still enabled before every transaction.
- //
- SlotId = XhcBusDevAddrToSlotId (Xhc, DeviceAddress);
- if (SlotId == 0) {
- goto ON_EXIT;
- }
-
- Urb = XhcCreateUrb (
- Xhc,
- DeviceAddress,
- EndPointAddress,
- DeviceSpeed,
- MaximumPacketLength,
- XHC_INT_TRANSFER_SYNC,
- NULL,
- Data,
- *DataLength,
- NULL,
- NULL
- );
-
- if (Urb == NULL) {
- DEBUG ((EFI_D_ERROR, "XhcSyncInterruptTransfer: failed to create URB\n"));
- Status = EFI_OUT_OF_RESOURCES;
- goto ON_EXIT;
- }
-
- Status = XhcExecTransfer (Xhc, FALSE, Urb, Timeout);
-
- *TransferResult = Urb->Result;
- *DataLength = Urb->Completed;
-
- if (*TransferResult == EFI_USB_NOERROR) {
- Status = EFI_SUCCESS;
- } else if (*TransferResult == EFI_USB_ERR_STALL) {
- RecoveryStatus = XhcRecoverHaltedEndpoint(Xhc, Urb);
- ASSERT_EFI_ERROR (RecoveryStatus);
- Status = EFI_DEVICE_ERROR;
- }
-
- FreePool (Urb);
-
-ON_EXIT:
- if (EFI_ERROR (Status)) {
- DEBUG ((EFI_D_ERROR, "XhcSyncInterruptTransfer: error - %r, transfer - %x\n", Status, *TransferResult));
- }
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-
-/**
- Submits isochronous transfer to a target USB device.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param DeviceAddress Target device address.
- @param EndPointAddress End point address with its direction.
- @param DeviceSpeed Device speed, Low speed device doesn't support this
- type.
- @param MaximumPacketLength Maximum packet size that the endpoint is capable of
- sending or receiving.
- @param DataBuffersNumber Number of data buffers prepared for the transfer.
- @param Data Array of pointers to the buffers of data that will
- be transmitted to USB device or received from USB
- device.
- @param DataLength The size, in bytes, of the data buffer.
- @param Translator Transaction translator to use.
- @param TransferResult Variable to receive the transfer result.
-
- @return EFI_UNSUPPORTED Isochronous transfer is unsupported.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcIsochronousTransfer (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 DeviceAddress,
- IN UINT8 EndPointAddress,
- IN UINT8 DeviceSpeed,
- IN UINTN MaximumPacketLength,
- IN UINT8 DataBuffersNumber,
- IN OUT VOID *Data[EFI_USB_MAX_ISO_BUFFER_NUM],
- IN UINTN DataLength,
- IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
- OUT UINT32 *TransferResult
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-
-/**
- Submits Async isochronous transfer to a target USB device.
-
- @param This This EFI_USB2_HC_PROTOCOL instance.
- @param DeviceAddress Target device address.
- @param EndPointAddress End point address with its direction.
- @param DeviceSpeed Device speed, Low speed device doesn't support this
- type.
- @param MaximumPacketLength Maximum packet size that the endpoint is capable of
- sending or receiving.
- @param DataBuffersNumber Number of data buffers prepared for the transfer.
- @param Data Array of pointers to the buffers of data that will
- be transmitted to USB device or received from USB
- device.
- @param DataLength The size, in bytes, of the data buffer.
- @param Translator Transaction translator to use.
- @param IsochronousCallBack Function to be called when the transfer complete.
- @param Context Context passed to the call back function as
- parameter.
-
- @return EFI_UNSUPPORTED Isochronous transfer isn't supported.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcAsyncIsochronousTransfer (
- IN EFI_USB2_HC_PROTOCOL *This,
- IN UINT8 DeviceAddress,
- IN UINT8 EndPointAddress,
- IN UINT8 DeviceSpeed,
- IN UINTN MaximumPacketLength,
- IN UINT8 DataBuffersNumber,
- IN OUT VOID *Data[EFI_USB_MAX_ISO_BUFFER_NUM],
- IN UINTN DataLength,
- IN EFI_USB2_HC_TRANSACTION_TRANSLATOR *Translator,
- IN EFI_ASYNC_USB_TRANSFER_CALLBACK IsochronousCallBack,
- IN VOID *Context
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-/**
- Entry point for EFI drivers.
-
- @param ImageHandle EFI_HANDLE.
- @param SystemTable EFI_SYSTEM_TABLE.
-
- @retval EFI_SUCCESS Success.
- @retval Others Fail.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcDriverEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- return EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gXhciDriverBinding,
- ImageHandle,
- &gXhciComponentName,
- &gXhciComponentName2
- );
-}
-
-
-/**
- Test to see if this driver supports ControllerHandle. Any
- ControllerHandle that has Usb2HcProtocol installed will
- be supported.
-
- @param This Protocol instance pointer.
- @param Controller Handle of device to test.
- @param RemainingDevicePath Not used.
-
- @return EFI_SUCCESS This driver supports this device.
- @return EFI_UNSUPPORTED This driver does not support this device.
-
-**/
-EFI_STATUS
-EFIAPI
-XhcDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- USB_CLASSC UsbClassCReg;
-
- //
- // Test whether there is PCI IO Protocol attached on the controller handle.
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
-
- if (EFI_ERROR (Status)) {
- return EFI_UNSUPPORTED;
- }
-
- Status = PciIo->Pci.Read (
- PciIo,
- EfiPciIoWidthUint8,
- PCI_CLASSCODE_OFFSET,
- sizeof (USB_CLASSC) / sizeof (UINT8),
- &UsbClassCReg
- );
-
- if (EFI_ERROR (Status)) {
- Status = EFI_UNSUPPORTED;
- goto ON_EXIT;
- }
-
- //
- // Test whether the controller belongs to Xhci type
- //
- if ((UsbClassCReg.BaseCode != PCI_CLASS_SERIAL) ||
- (UsbClassCReg.SubClassCode != PCI_CLASS_SERIAL_USB) ||
- (UsbClassCReg.ProgInterface != PCI_IF_XHCI)) {
- Status = EFI_UNSUPPORTED;
- }
-
-ON_EXIT:
- gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- return Status;
-}
-
-/**
- Create and initialize a USB_XHCI_INSTANCE structure.
-
- @param PciIo The PciIo on this device.
- @param DevicePath The device path of host controller.
- @param OriginalPciAttributes Original PCI attributes.
-
- @return The allocated and initialized USB_XHCI_INSTANCE structure if created,
- otherwise NULL.
-