mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
d7c710f9e3
Signed-off-by: SergeySlice <sergey.slice@gmail.com>
4065 lines
135 KiB
C
4065 lines
135 KiB
C
/** @file
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XHCI transfer scheduling routines.
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Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "Xhci.h"
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/**
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Create a command transfer TRB to support XHCI command interfaces.
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@param Xhc The XHCI Instance.
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@param CmdTrb The cmd TRB to be executed.
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@return Created URB or NULL.
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**/
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URB*
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XhcCreateCmdTrb (
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IN USB_XHCI_INSTANCE *Xhc,
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IN TRB_TEMPLATE *CmdTrb
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)
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{
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URB *Urb;
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Urb = AllocateZeroPool(sizeof (URB));
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if (Urb == NULL) {
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return NULL;
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}
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Urb->Signature = XHC_URB_SIG;
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Urb->Ring = &Xhc->CmdRing;
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XhcSyncTrsRing (Xhc, Urb->Ring);
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Urb->TrbNum = 1;
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Urb->TrbStart = Urb->Ring->RingEnqueue;
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CopyMem (Urb->TrbStart, CmdTrb, sizeof (TRB_TEMPLATE));
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Urb->TrbStart->CycleBit = Urb->Ring->RingPCS & BIT0;
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Urb->TrbEnd = Urb->TrbStart;
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return Urb;
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}
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/**
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Execute a XHCI cmd TRB pointed by CmdTrb.
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@param Xhc The XHCI Instance.
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@param CmdTrb The cmd TRB to be executed.
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@param Timeout Indicates the maximum time, in millisecond, which the
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transfer is allowed to complete.
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@param EvtTrb The event TRB corresponding to the cmd TRB.
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@retval EFI_SUCCESS The transfer was completed successfully.
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@retval EFI_INVALID_PARAMETER Some parameters are invalid.
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@retval EFI_TIMEOUT The transfer failed due to timeout.
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@retval EFI_DEVICE_ERROR The transfer failed due to host controller error.
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**/
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EFI_STATUS
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EFIAPI
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XhcCmdTransfer (
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IN USB_XHCI_INSTANCE *Xhc,
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IN TRB_TEMPLATE *CmdTrb,
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IN UINTN Timeout,
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OUT TRB_TEMPLATE **EvtTrb
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)
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{
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EFI_STATUS Status;
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URB *Urb;
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//
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// Validate the parameters
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//
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if ((Xhc == NULL) || (CmdTrb == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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Status = EFI_DEVICE_ERROR;
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if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {
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DEBUG ((EFI_D_ERROR, "XhcCmdTransfer: HC is halted\n"));
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goto ON_EXIT;
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}
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//
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// Create a new URB, then poll the execution status.
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//
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Urb = XhcCreateCmdTrb (Xhc, CmdTrb);
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if (Urb == NULL) {
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DEBUG ((EFI_D_ERROR, "XhcCmdTransfer: failed to create URB\n"));
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Status = EFI_OUT_OF_RESOURCES;
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goto ON_EXIT;
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}
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Status = XhcExecTransfer (Xhc, TRUE, Urb, Timeout);
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*EvtTrb = Urb->EvtTrb;
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if (Urb->Result == EFI_USB_NOERROR) {
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Status = EFI_SUCCESS;
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}
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XhcFreeUrb (Xhc, Urb);
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ON_EXIT:
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return Status;
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}
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/**
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Create a new URB for a new transaction.
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@param Xhc The XHCI Instance
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@param BusAddr The logical device address assigned by UsbBus driver
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@param EpAddr Endpoint addrress
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@param DevSpeed The device speed
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@param MaxPacket The max packet length of the endpoint
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@param Type The transaction type
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@param Request The standard USB request for control transfer
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@param Data The user data to transfer
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@param DataLen The length of data buffer
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@param Callback The function to call when data is transferred
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@param Context The context to the callback
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@return Created URB or NULL
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**/
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URB*
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XhcCreateUrb (
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IN USB_XHCI_INSTANCE *Xhc,
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IN UINT8 BusAddr,
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IN UINT8 EpAddr,
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IN UINT8 DevSpeed,
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IN UINTN MaxPacket,
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IN UINTN Type,
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IN EFI_USB_DEVICE_REQUEST *Request,
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IN VOID *Data,
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IN UINTN DataLen,
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IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,
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IN VOID *Context
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)
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{
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USB_ENDPOINT *Ep;
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EFI_STATUS Status;
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URB *Urb;
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Urb = AllocateZeroPool(sizeof (URB));
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if (Urb == NULL) {
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return NULL;
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}
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Urb->Signature = XHC_URB_SIG;
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InitializeListHead (&Urb->UrbList);
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Ep = &Urb->Ep;
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Ep->BusAddr = BusAddr;
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Ep->EpAddr = (UINT8)(EpAddr & 0x0F);
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Ep->Direction = ((EpAddr & 0x80) != 0) ? EfiUsbDataIn : EfiUsbDataOut;
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Ep->DevSpeed = DevSpeed;
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Ep->MaxPacket = MaxPacket;
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Ep->Type = Type;
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Urb->Request = Request;
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Urb->Data = Data;
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Urb->DataLen = DataLen;
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Urb->Callback = Callback;
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Urb->Context = Context;
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Status = XhcCreateTransferTrb (Xhc, Urb);
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ASSERT_EFI_ERROR(Status);
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if (EFI_ERROR(Status)) {
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DEBUG ((EFI_D_ERROR, "XhcCreateUrb: XhcCreateTransferTrb Failed, Status = %r\n", Status));
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FreePool(Urb);
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Urb = NULL;
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}
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return Urb;
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}
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/**
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Free an allocated URB.
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@param Xhc The XHCI device.
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@param Urb The URB to free.
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**/
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VOID
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XhcFreeUrb (
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IN USB_XHCI_INSTANCE *Xhc,
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IN URB *Urb
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)
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{
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if ((Xhc == NULL) || (Urb == NULL)) {
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return;
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}
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if (Urb->DataMap != NULL) {
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Xhc->PciIo->Unmap (Xhc->PciIo, Urb->DataMap);
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}
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FreePool(Urb);
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}
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/**
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Create a transfer TRB.
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@param Xhc The XHCI Instance
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@param Urb The urb used to construct the transfer TRB.
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@return Created TRB or NULL
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**/
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EFI_STATUS
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XhcCreateTransferTrb (
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IN USB_XHCI_INSTANCE *Xhc,
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IN URB *Urb
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)
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{
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VOID *OutputContext;
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TRANSFER_RING *EPRing;
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UINT8 EPType;
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UINT8 SlotId;
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UINT8 Dci;
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TRB *TrbStart;
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UINTN TotalLen;
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UINTN Len;
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UINTN TrbNum;
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EFI_PCI_IO_PROTOCOL_OPERATION MapOp;
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EFI_PHYSICAL_ADDRESS PhyAddr;
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VOID *Map;
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EFI_STATUS Status;
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SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);
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if (SlotId == 0) {
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return EFI_DEVICE_ERROR;
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}
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Urb->Finished = FALSE;
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Urb->StartDone = FALSE;
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Urb->EndDone = FALSE;
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Urb->Completed = 0;
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Urb->Result = EFI_USB_NOERROR;
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Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));
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ASSERT (Dci < 32);
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EPRing = (TRANSFER_RING *)(UINTN) Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1];
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Urb->Ring = EPRing;
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OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;
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if (Xhc->HcCParams.Data.Csz == 0) {
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EPType = (UINT8) ((DEVICE_CONTEXT *)OutputContext)->EP[Dci-1].EPType;
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} else {
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EPType = (UINT8) ((DEVICE_CONTEXT_64 *)OutputContext)->EP[Dci-1].EPType;
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}
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//
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// No need to remap.
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//
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if ((Urb->Data != NULL) && (Urb->DataMap == NULL)) {
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if (((UINT8) (Urb->Ep.Direction)) == EfiUsbDataIn) {
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MapOp = EfiPciIoOperationBusMasterWrite;
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} else {
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MapOp = EfiPciIoOperationBusMasterRead;
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}
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Len = Urb->DataLen;
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Status = Xhc->PciIo->Map (Xhc->PciIo, MapOp, Urb->Data, &Len, &PhyAddr, &Map);
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if (EFI_ERROR(Status) || (Len != Urb->DataLen)) {
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DEBUG ((EFI_D_ERROR, "XhcCreateTransferTrb: Fail to map Urb->Data.\n"));
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return EFI_OUT_OF_RESOURCES;
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}
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Urb->DataPhy = (VOID *) ((UINTN) PhyAddr);
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Urb->DataMap = Map;
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}
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//
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// Construct the TRB
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//
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XhcSyncTrsRing (Xhc, EPRing);
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Urb->TrbStart = EPRing->RingEnqueue;
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switch (EPType) {
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case ED_CONTROL_BIDIR:
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//
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// For control transfer, create SETUP_STAGE_TRB first.
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//
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TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;
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TrbStart->TrbCtrSetup.bmRequestType = Urb->Request->RequestType;
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TrbStart->TrbCtrSetup.bRequest = Urb->Request->Request;
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TrbStart->TrbCtrSetup.wValue = Urb->Request->Value;
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TrbStart->TrbCtrSetup.wIndex = Urb->Request->Index;
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TrbStart->TrbCtrSetup.wLength = Urb->Request->Length;
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TrbStart->TrbCtrSetup.Length = 8;
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TrbStart->TrbCtrSetup.IntTarget = 0;
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TrbStart->TrbCtrSetup.IOC = 1;
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TrbStart->TrbCtrSetup.IDT = 1;
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TrbStart->TrbCtrSetup.Type = TRB_TYPE_SETUP_STAGE;
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if (Urb->Ep.Direction == EfiUsbDataIn) {
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TrbStart->TrbCtrSetup.TRT = 3;
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} else if (Urb->Ep.Direction == EfiUsbDataOut) {
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TrbStart->TrbCtrSetup.TRT = 2;
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} else {
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TrbStart->TrbCtrSetup.TRT = 0;
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}
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//
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// Update the cycle bit
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//
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TrbStart->TrbCtrSetup.CycleBit = EPRing->RingPCS & BIT0;
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Urb->TrbNum++;
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//
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// For control transfer, create DATA_STAGE_TRB.
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//
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if (Urb->DataLen > 0) {
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XhcSyncTrsRing (Xhc, EPRing);
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TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;
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TrbStart->TrbCtrData.TRBPtrLo = XHC_LOW_32BIT(Urb->DataPhy);
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TrbStart->TrbCtrData.TRBPtrHi = XHC_HIGH_32BIT(Urb->DataPhy);
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TrbStart->TrbCtrData.Length = (UINT32) Urb->DataLen;
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TrbStart->TrbCtrData.TDSize = 0;
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TrbStart->TrbCtrData.IntTarget = 0;
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TrbStart->TrbCtrData.ISP = 1;
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TrbStart->TrbCtrData.IOC = 1;
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TrbStart->TrbCtrData.IDT = 0;
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TrbStart->TrbCtrData.CH = 0;
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TrbStart->TrbCtrData.Type = TRB_TYPE_DATA_STAGE;
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if (Urb->Ep.Direction == EfiUsbDataIn) {
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TrbStart->TrbCtrData.DIR = 1;
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} else if (Urb->Ep.Direction == EfiUsbDataOut) {
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TrbStart->TrbCtrData.DIR = 0;
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} else {
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TrbStart->TrbCtrData.DIR = 0;
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}
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//
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// Update the cycle bit
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//
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TrbStart->TrbCtrData.CycleBit = EPRing->RingPCS & BIT0;
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Urb->TrbNum++;
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}
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//
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// For control transfer, create STATUS_STAGE_TRB.
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// Get the pointer to next TRB for status stage use
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//
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XhcSyncTrsRing (Xhc, EPRing);
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TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;
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TrbStart->TrbCtrStatus.IntTarget = 0;
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TrbStart->TrbCtrStatus.IOC = 1;
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TrbStart->TrbCtrStatus.CH = 0;
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TrbStart->TrbCtrStatus.Type = TRB_TYPE_STATUS_STAGE;
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if (Urb->Ep.Direction == EfiUsbDataIn) {
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TrbStart->TrbCtrStatus.DIR = 0;
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} else if (Urb->Ep.Direction == EfiUsbDataOut) {
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TrbStart->TrbCtrStatus.DIR = 1;
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} else {
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TrbStart->TrbCtrStatus.DIR = 0;
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}
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//
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// Update the cycle bit
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//
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TrbStart->TrbCtrStatus.CycleBit = EPRing->RingPCS & BIT0;
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//
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// Update the enqueue pointer
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//
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XhcSyncTrsRing (Xhc, EPRing);
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Urb->TrbNum++;
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Urb->TrbEnd = (TRB_TEMPLATE *)(UINTN)TrbStart;
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break;
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case ED_BULK_OUT:
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case ED_BULK_IN:
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TotalLen = 0;
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Len = 0;
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TrbNum = 0;
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TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;
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while (TotalLen < Urb->DataLen) {
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if ((TotalLen + 0x10000) >= Urb->DataLen) {
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Len = Urb->DataLen - TotalLen;
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} else {
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Len = 0x10000;
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}
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TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;
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TrbStart->TrbNormal.TRBPtrLo = XHC_LOW_32BIT((UINT8 *) Urb->DataPhy + TotalLen);
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TrbStart->TrbNormal.TRBPtrHi = XHC_HIGH_32BIT((UINT8 *) Urb->DataPhy + TotalLen);
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TrbStart->TrbNormal.Length = (UINT32) Len;
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TrbStart->TrbNormal.TDSize = 0;
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TrbStart->TrbNormal.IntTarget = 0;
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TrbStart->TrbNormal.ISP = 1;
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TrbStart->TrbNormal.IOC = 1;
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TrbStart->TrbNormal.Type = TRB_TYPE_NORMAL;
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//
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// Update the cycle bit
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//
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TrbStart->TrbNormal.CycleBit = EPRing->RingPCS & BIT0;
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XhcSyncTrsRing (Xhc, EPRing);
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TrbNum++;
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TotalLen += Len;
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}
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Urb->TrbNum = TrbNum;
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Urb->TrbEnd = (TRB_TEMPLATE *)(UINTN)TrbStart;
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break;
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case ED_INTERRUPT_OUT:
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case ED_INTERRUPT_IN:
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TotalLen = 0;
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Len = 0;
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TrbNum = 0;
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TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;
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while (TotalLen < Urb->DataLen) {
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if ((TotalLen + 0x10000) >= Urb->DataLen) {
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Len = Urb->DataLen - TotalLen;
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} else {
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Len = 0x10000;
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}
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TrbStart = (TRB *)(UINTN)EPRing->RingEnqueue;
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TrbStart->TrbNormal.TRBPtrLo = XHC_LOW_32BIT((UINT8 *) Urb->DataPhy + TotalLen);
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TrbStart->TrbNormal.TRBPtrHi = XHC_HIGH_32BIT((UINT8 *) Urb->DataPhy + TotalLen);
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TrbStart->TrbNormal.Length = (UINT32) Len;
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TrbStart->TrbNormal.TDSize = 0;
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TrbStart->TrbNormal.IntTarget = 0;
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TrbStart->TrbNormal.ISP = 1;
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TrbStart->TrbNormal.IOC = 1;
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TrbStart->TrbNormal.Type = TRB_TYPE_NORMAL;
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//
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// Update the cycle bit
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//
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TrbStart->TrbNormal.CycleBit = EPRing->RingPCS & BIT0;
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XhcSyncTrsRing (Xhc, EPRing);
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TrbNum++;
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TotalLen += Len;
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}
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Urb->TrbNum = TrbNum;
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Urb->TrbEnd = (TRB_TEMPLATE *)(UINTN)TrbStart;
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break;
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default:
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DEBUG ((EFI_D_INFO, "Not supported EPType 0x%x!\n",EPType));
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ASSERT (FALSE);
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break;
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}
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return EFI_SUCCESS;
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}
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/**
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Initialize the XHCI host controller for schedule.
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@param Xhc The XHCI Instance to be initialized.
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**/
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VOID
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XhcInitSched (
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IN USB_XHCI_INSTANCE *Xhc
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)
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{
|
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VOID *Dcbaa;
|
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EFI_PHYSICAL_ADDRESS DcbaaPhy;
|
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UINT64 CmdRing;
|
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EFI_PHYSICAL_ADDRESS CmdRingPhy;
|
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UINTN Entries;
|
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UINT32 MaxScratchpadBufs;
|
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UINT64 *ScratchBuf;
|
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EFI_PHYSICAL_ADDRESS ScratchPhy;
|
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UINT64 *ScratchEntry;
|
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EFI_PHYSICAL_ADDRESS ScratchEntryPhy;
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UINT32 Index;
|
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UINTN *ScratchEntryMap;
|
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EFI_STATUS Status;
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|
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//
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// Initialize memory management.
|
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//
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Xhc->MemPool = UsbHcInitMemPool (Xhc->PciIo);
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ASSERT (Xhc->MemPool != NULL);
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|
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//
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|
// Program the Max Device Slots Enabled (MaxSlotsEn) field in the CONFIG register (5.4.7)
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|
// to enable the device slots that system software is going to use.
|
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//
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Xhc->MaxSlotsEn = Xhc->HcSParams1.Data.MaxSlots;
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ASSERT (Xhc->MaxSlotsEn >= 1 && Xhc->MaxSlotsEn <= 255);
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XhcWriteOpReg (Xhc, XHC_CONFIG_OFFSET, Xhc->MaxSlotsEn);
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|
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//
|
|
// The Device Context Base Address Array entry associated with each allocated Device Slot
|
|
// shall contain a 64-bit pointer to the base of the associated Device Context.
|
|
// The Device Context Base Address Array shall contain MaxSlotsEn + 1 entries.
|
|
// Software shall set Device Context Base Address Array entries for unallocated Device Slots to '0'.
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|
//
|
|
Entries = (Xhc->MaxSlotsEn + 1) * sizeof(UINT64);
|
|
Dcbaa = UsbHcAllocateMem (Xhc->MemPool, Entries);
|
|
ASSERT (Dcbaa != NULL);
|
|
ZeroMem (Dcbaa, Entries);
|
|
|
|
//
|
|
// A Scratchpad Buffer is a PAGESIZE block of system memory located on a PAGESIZE boundary.
|
|
// System software shall allocate the Scratchpad Buffer(s) before placing the xHC in to Run
|
|
// mode (Run/Stop(R/S) ='1').
|
|
//
|
|
MaxScratchpadBufs = ((Xhc->HcSParams2.Data.ScratchBufHi) << 5) | (Xhc->HcSParams2.Data.ScratchBufLo);
|
|
Xhc->MaxScratchpadBufs = MaxScratchpadBufs;
|
|
ASSERT (MaxScratchpadBufs <= 1023);
|
|
if (MaxScratchpadBufs != 0) {
|
|
//
|
|
// Allocate the buffer to record the Mapping for each scratch buffer in order to Unmap them
|
|
//
|
|
ScratchEntryMap = AllocateZeroPool(sizeof (UINTN) * MaxScratchpadBufs);
|
|
ASSERT (ScratchEntryMap != NULL);
|
|
Xhc->ScratchEntryMap = ScratchEntryMap;
|
|
|
|
//
|
|
// Allocate the buffer to record the host address for each entry
|
|
//
|
|
ScratchEntry = AllocateZeroPool(sizeof (UINT64) * MaxScratchpadBufs);
|
|
ASSERT (ScratchEntry != NULL);
|
|
Xhc->ScratchEntry = ScratchEntry;
|
|
|
|
ScratchPhy = 0;
|
|
Status = UsbHcAllocateAlignedPages (
|
|
Xhc->PciIo,
|
|
EFI_SIZE_TO_PAGES (MaxScratchpadBufs * sizeof (UINT64)),
|
|
Xhc->PageSize,
|
|
(VOID **) &ScratchBuf,
|
|
&ScratchPhy,
|
|
&Xhc->ScratchMap
|
|
);
|
|
ASSERT_EFI_ERROR(Status);
|
|
|
|
ZeroMem (ScratchBuf, MaxScratchpadBufs * sizeof (UINT64));
|
|
Xhc->ScratchBuf = ScratchBuf;
|
|
|
|
//
|
|
// Allocate each scratch buffer
|
|
//
|
|
for (Index = 0; Index < MaxScratchpadBufs; Index++) {
|
|
ScratchEntryPhy = 0;
|
|
Status = UsbHcAllocateAlignedPages (
|
|
Xhc->PciIo,
|
|
EFI_SIZE_TO_PAGES (Xhc->PageSize),
|
|
Xhc->PageSize,
|
|
(VOID **) &ScratchEntry[Index],
|
|
&ScratchEntryPhy,
|
|
(VOID **) &ScratchEntryMap[Index]
|
|
);
|
|
ASSERT_EFI_ERROR(Status);
|
|
ZeroMem ((VOID *)(UINTN)ScratchEntry[Index], Xhc->PageSize);
|
|
//
|
|
// Fill with the PCI device address
|
|
//
|
|
*ScratchBuf++ = ScratchEntryPhy;
|
|
}
|
|
//
|
|
// The Scratchpad Buffer Array contains pointers to the Scratchpad Buffers. Entry 0 of the
|
|
// Device Context Base Address Array points to the Scratchpad Buffer Array.
|
|
//
|
|
*(UINT64 *)Dcbaa = (UINT64)(UINTN) ScratchPhy;
|
|
}
|
|
|
|
//
|
|
// Program the Device Context Base Address Array Pointer (DCBAAP) register (5.4.6) with
|
|
// a 64-bit address pointing to where the Device Context Base Address Array is located.
|
|
//
|
|
Xhc->DCBAA = (UINT64 *)(UINTN)Dcbaa;
|
|
//
|
|
// Some 3rd party XHCI external cards don't support single 64-bytes width register access,
|
|
// So divide it to two 32-bytes width register access.
|
|
//
|
|
DcbaaPhy = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Dcbaa, Entries);
|
|
XhcWriteOpReg (Xhc, XHC_DCBAAP_OFFSET, XHC_LOW_32BIT(DcbaaPhy));
|
|
XhcWriteOpReg (Xhc, XHC_DCBAAP_OFFSET + 4, XHC_HIGH_32BIT (DcbaaPhy));
|
|
|
|
DEBUG ((EFI_D_INFO, "XhcInitSched:DCBAA=0x%x\n", (UINT64)(UINTN)Xhc->DCBAA));
|
|
|
|
//
|
|
// Define the Command Ring Dequeue Pointer by programming the Command Ring Control Register
|
|
// (5.4.5) with a 64-bit address pointing to the starting address of the first TRB of the Command Ring.
|
|
// Note: The Command Ring is 64 byte aligned, so the low order 6 bits of the Command Ring Pointer shall
|
|
// always be '0'.
|
|
//
|
|
CreateTransferRing (Xhc, CMD_RING_TRB_NUMBER, &Xhc->CmdRing);
|
|
//
|
|
// The xHC uses the Enqueue Pointer to determine when a Transfer Ring is empty. As it fetches TRBs from a
|
|
// Transfer Ring it checks for a Cycle bit transition. If a transition detected, the ring is empty.
|
|
// So we set RCS as inverted PCS init value to let Command Ring empty
|
|
//
|
|
CmdRing = (UINT64)(UINTN)Xhc->CmdRing.RingSeg0;
|
|
CmdRingPhy = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, (VOID *)(UINTN) CmdRing, sizeof (TRB_TEMPLATE) * CMD_RING_TRB_NUMBER);
|
|
ASSERT ((CmdRingPhy & 0x3F) == 0);
|
|
CmdRingPhy |= XHC_CRCR_RCS;
|
|
//
|
|
// Some 3rd party XHCI external cards don't support single 64-bytes width register access,
|
|
// So divide it to two 32-bytes width register access.
|
|
//
|
|
XhcWriteOpReg (Xhc, XHC_CRCR_OFFSET, XHC_LOW_32BIT(CmdRingPhy));
|
|
XhcWriteOpReg (Xhc, XHC_CRCR_OFFSET + 4, XHC_HIGH_32BIT (CmdRingPhy));
|
|
|
|
//
|
|
// Disable the 'interrupter enable' bit in USB_CMD
|
|
// and clear IE & IP bit in all Interrupter X Management Registers.
|
|
//
|
|
XhcClearOpRegBit (Xhc, XHC_USBCMD_OFFSET, XHC_USBCMD_INTE);
|
|
for (Index = 0; Index < (UINT16)(Xhc->HcSParams1.Data.MaxIntrs); Index++) {
|
|
XhcClearRuntimeRegBit (Xhc, XHC_IMAN_OFFSET + (Index * 32), XHC_IMAN_IE);
|
|
XhcSetRuntimeRegBit (Xhc, XHC_IMAN_OFFSET + (Index * 32), XHC_IMAN_IP);
|
|
}
|
|
|
|
//
|
|
// Allocate EventRing for Cmd, Ctrl, Bulk, Interrupt, AsynInterrupt transfer
|
|
//
|
|
CreateEventRing (Xhc, &Xhc->EventRing);
|
|
DEBUG ((DEBUG_INFO, "XhcInitSched: Created CMD ring [%p~%p) EVENT ring [%p~%p)\n",
|
|
Xhc->CmdRing.RingSeg0, (UINTN)Xhc->CmdRing.RingSeg0 + sizeof (TRB_TEMPLATE) * CMD_RING_TRB_NUMBER,
|
|
Xhc->EventRing.EventRingSeg0, (UINTN)Xhc->EventRing.EventRingSeg0 + sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER
|
|
));
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINT8 Dci;
|
|
UINT8 SlotId;
|
|
|
|
Status = EFI_SUCCESS;
|
|
SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);
|
|
if (SlotId == 0) {
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));
|
|
ASSERT (Dci < 32);
|
|
|
|
DEBUG ((EFI_D_INFO, "Recovery Halted Slot = %x,Dci = %x\n", SlotId, Dci));
|
|
|
|
//
|
|
// 1) Send Reset endpoint command to transit from halt to stop state
|
|
//
|
|
Status = XhcResetEndpoint(Xhc, SlotId, Dci);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcRecoverHaltedEndpoint: Reset Endpoint Failed, Status = %r\n", Status));
|
|
goto Done;
|
|
}
|
|
|
|
//
|
|
// 2)Set dequeue pointer
|
|
//
|
|
Status = XhcSetTrDequeuePointer(Xhc, SlotId, Dci, Urb);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcRecoverHaltedEndpoint: Set Transfer Ring Dequeue Pointer Failed, Status = %r\n", Status));
|
|
goto Done;
|
|
}
|
|
|
|
//
|
|
// 3)Ring the doorbell to transit from stop to active
|
|
//
|
|
XhcRingDoorBell (Xhc, SlotId, Dci);
|
|
|
|
Done:
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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 EFI_ALREADY_STARTED The Urb is finished so no deque is needed.
|
|
@retval Others Failed to stop the endpoint and dequeue the TDs.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
XhcDequeueTrbFromEndpoint (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN URB *Urb
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINT8 Dci;
|
|
UINT8 SlotId;
|
|
|
|
Status = EFI_SUCCESS;
|
|
SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);
|
|
if (SlotId == 0) {
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));
|
|
ASSERT (Dci < 32);
|
|
|
|
DEBUG ((EFI_D_INFO, "Stop Slot = %x,Dci = %x\n", SlotId, Dci));
|
|
|
|
//
|
|
// 1) Send Stop endpoint command to stop xHC from executing of the TDs on the endpoint
|
|
//
|
|
Status = XhcStopEndpoint(Xhc, SlotId, Dci, Urb);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcDequeueTrbFromEndpoint: Stop Endpoint Failed, Status = %r\n", Status));
|
|
goto Done;
|
|
}
|
|
|
|
//
|
|
// 2)Set dequeue pointer
|
|
//
|
|
if (Urb->Finished && Urb->Result == EFI_USB_NOERROR) {
|
|
//
|
|
// Return Already Started to indicate the pending URB is finished.
|
|
// This fixes BULK data loss when transfer is detected as timeout
|
|
// but finished just before stopping endpoint.
|
|
//
|
|
Status = EFI_ALREADY_STARTED;
|
|
DEBUG ((DEBUG_INFO, "XhcDequeueTrbFromEndpoint: Pending URB is finished: Length Actual/Expect = %d/%d!\n", Urb->Completed, Urb->DataLen));
|
|
} else {
|
|
Status = XhcSetTrDequeuePointer(Xhc, SlotId, Dci, Urb);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((DEBUG_ERROR, "XhcDequeueTrbFromEndpoint: Set Transfer Ring Dequeue Pointer Failed, Status = %r\n", Status));
|
|
goto Done;
|
|
}
|
|
}
|
|
|
|
//
|
|
// 3)Ring the doorbell to transit from stop to active
|
|
//
|
|
XhcRingDoorBell (Xhc, SlotId, Dci);
|
|
|
|
Done:
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
VOID *Buf;
|
|
EVENT_RING_SEG_TABLE_ENTRY *ERSTBase;
|
|
UINTN Size;
|
|
EFI_PHYSICAL_ADDRESS ERSTPhy;
|
|
EFI_PHYSICAL_ADDRESS DequeuePhy;
|
|
|
|
ASSERT (EventRing != NULL);
|
|
|
|
Size = sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER;
|
|
Buf = UsbHcAllocateMem (Xhc->MemPool, Size);
|
|
ASSERT (Buf != NULL);
|
|
ASSERT (((UINTN) Buf & 0x3F) == 0);
|
|
ZeroMem (Buf, Size);
|
|
|
|
EventRing->EventRingSeg0 = Buf;
|
|
EventRing->TrbNumber = EVENT_RING_TRB_NUMBER;
|
|
EventRing->EventRingDequeue = (TRB_TEMPLATE *) EventRing->EventRingSeg0;
|
|
EventRing->EventRingEnqueue = (TRB_TEMPLATE *) EventRing->EventRingSeg0;
|
|
|
|
DequeuePhy = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Buf, Size);
|
|
|
|
//
|
|
// Software maintains an Event Ring Consumer Cycle State (CCS) bit, initializing it to '1'
|
|
// and toggling it every time the Event Ring Dequeue Pointer wraps back to the beginning of the Event Ring.
|
|
//
|
|
EventRing->EventRingCCS = 1;
|
|
|
|
Size = sizeof (EVENT_RING_SEG_TABLE_ENTRY) * ERST_NUMBER;
|
|
Buf = UsbHcAllocateMem (Xhc->MemPool, Size);
|
|
ASSERT (Buf != NULL);
|
|
ASSERT (((UINTN) Buf & 0x3F) == 0);
|
|
ZeroMem (Buf, Size);
|
|
|
|
ERSTBase = (EVENT_RING_SEG_TABLE_ENTRY *) Buf;
|
|
EventRing->ERSTBase = ERSTBase;
|
|
ERSTBase->PtrLo = XHC_LOW_32BIT (DequeuePhy);
|
|
ERSTBase->PtrHi = XHC_HIGH_32BIT (DequeuePhy);
|
|
ERSTBase->RingTrbSize = EVENT_RING_TRB_NUMBER;
|
|
|
|
ERSTPhy = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, ERSTBase, Size);
|
|
|
|
//
|
|
// Program the Interrupter Event Ring Segment Table Size (ERSTSZ) register (5.5.2.3.1)
|
|
//
|
|
XhcWriteRuntimeReg (
|
|
Xhc,
|
|
XHC_ERSTSZ_OFFSET,
|
|
ERST_NUMBER
|
|
);
|
|
//
|
|
// Program the Interrupter Event Ring Dequeue Pointer (ERDP) register (5.5.2.3.3)
|
|
//
|
|
// Some 3rd party XHCI external cards don't support single 64-bytes width register access,
|
|
// So divide it to two 32-bytes width register access.
|
|
//
|
|
XhcWriteRuntimeReg (
|
|
Xhc,
|
|
XHC_ERDP_OFFSET,
|
|
XHC_LOW_32BIT((UINT64)(UINTN)DequeuePhy)
|
|
);
|
|
XhcWriteRuntimeReg (
|
|
Xhc,
|
|
XHC_ERDP_OFFSET + 4,
|
|
XHC_HIGH_32BIT((UINT64)(UINTN)DequeuePhy)
|
|
);
|
|
//
|
|
// Program the Interrupter Event Ring Segment Table Base Address (ERSTBA) register(5.5.2.3.2)
|
|
//
|
|
// Some 3rd party XHCI external cards don't support single 64-bytes width register access,
|
|
// So divide it to two 32-bytes width register access.
|
|
//
|
|
XhcWriteRuntimeReg (
|
|
Xhc,
|
|
XHC_ERSTBA_OFFSET,
|
|
XHC_LOW_32BIT((UINT64)(UINTN)ERSTPhy)
|
|
);
|
|
XhcWriteRuntimeReg (
|
|
Xhc,
|
|
XHC_ERSTBA_OFFSET + 4,
|
|
XHC_HIGH_32BIT((UINT64)(UINTN)ERSTPhy)
|
|
);
|
|
//
|
|
// Need set IMAN IE bit to enble the ring interrupt
|
|
//
|
|
XhcSetRuntimeRegBit (Xhc, XHC_IMAN_OFFSET, XHC_IMAN_IE);
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
VOID *Buf;
|
|
LINK_TRB *EndTrb;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
Buf = UsbHcAllocateMem (Xhc->MemPool, sizeof (TRB_TEMPLATE) * TrbNum);
|
|
ASSERT (Buf != NULL);
|
|
ASSERT (((UINTN) Buf & 0x3F) == 0);
|
|
ZeroMem (Buf, sizeof (TRB_TEMPLATE) * TrbNum);
|
|
|
|
TransferRing->RingSeg0 = Buf;
|
|
TransferRing->TrbNumber = TrbNum;
|
|
TransferRing->RingEnqueue = (TRB_TEMPLATE *) TransferRing->RingSeg0;
|
|
TransferRing->RingDequeue = (TRB_TEMPLATE *) TransferRing->RingSeg0;
|
|
TransferRing->RingPCS = 1;
|
|
//
|
|
// 4.9.2 Transfer Ring Management
|
|
// To form a ring (or circular queue) a Link TRB may be inserted at the end of a ring to
|
|
// point to the first TRB in the ring.
|
|
//
|
|
EndTrb = (LINK_TRB *) ((UINTN)Buf + sizeof (TRB_TEMPLATE) * (TrbNum - 1));
|
|
EndTrb->Type = TRB_TYPE_LINK;
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Buf, sizeof (TRB_TEMPLATE) * TrbNum);
|
|
EndTrb->PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
EndTrb->PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
//
|
|
// Toggle Cycle (TC). When set to '1', the xHC shall toggle its interpretation of the Cycle bit.
|
|
//
|
|
EndTrb->TC = 1;
|
|
//
|
|
// Set Cycle bit as other TRB PCS init value
|
|
//
|
|
EndTrb->CycleBit = 0;
|
|
}
|
|
|
|
/**
|
|
Free XHCI event ring.
|
|
|
|
@param Xhc The XHCI Instance.
|
|
@param EventRing The event ring to be freed.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
XhcFreeEventRing (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN EVENT_RING *EventRing
|
|
)
|
|
{
|
|
if(EventRing->EventRingSeg0 == NULL) {
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
//
|
|
// Free EventRing Segment 0
|
|
//
|
|
UsbHcFreeMem (Xhc->MemPool, EventRing->EventRingSeg0, sizeof (TRB_TEMPLATE) * EVENT_RING_TRB_NUMBER);
|
|
|
|
//
|
|
// Free ESRT table
|
|
//
|
|
UsbHcFreeMem (Xhc->MemPool, EventRing->ERSTBase, sizeof (EVENT_RING_SEG_TABLE_ENTRY) * ERST_NUMBER);
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Free the resouce allocated at initializing schedule.
|
|
|
|
@param Xhc The XHCI Instance.
|
|
|
|
**/
|
|
VOID
|
|
XhcFreeSched (
|
|
IN USB_XHCI_INSTANCE *Xhc
|
|
)
|
|
{
|
|
UINT32 Index;
|
|
UINT64 *ScratchEntry;
|
|
|
|
if (Xhc->ScratchBuf != NULL) {
|
|
ScratchEntry = Xhc->ScratchEntry;
|
|
for (Index = 0; Index < Xhc->MaxScratchpadBufs; Index++) {
|
|
//
|
|
// Free Scratchpad Buffers
|
|
//
|
|
UsbHcFreeAlignedPages (Xhc->PciIo, (VOID*)(UINTN)ScratchEntry[Index], EFI_SIZE_TO_PAGES (Xhc->PageSize), (VOID *) Xhc->ScratchEntryMap[Index]);
|
|
}
|
|
//
|
|
// Free Scratchpad Buffer Array
|
|
//
|
|
UsbHcFreeAlignedPages (Xhc->PciIo, Xhc->ScratchBuf, EFI_SIZE_TO_PAGES (Xhc->MaxScratchpadBufs * sizeof (UINT64)), Xhc->ScratchMap);
|
|
FreePool(Xhc->ScratchEntryMap);
|
|
FreePool(Xhc->ScratchEntry);
|
|
}
|
|
|
|
if (Xhc->CmdRing.RingSeg0 != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, Xhc->CmdRing.RingSeg0, sizeof (TRB_TEMPLATE) * CMD_RING_TRB_NUMBER);
|
|
Xhc->CmdRing.RingSeg0 = NULL;
|
|
}
|
|
|
|
XhcFreeEventRing (Xhc,&Xhc->EventRing);
|
|
|
|
if (Xhc->DCBAA != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, Xhc->DCBAA, (Xhc->MaxSlotsEn + 1) * sizeof(UINT64));
|
|
Xhc->DCBAA = NULL;
|
|
}
|
|
|
|
//
|
|
// Free memory pool at last
|
|
//
|
|
if (Xhc->MemPool != NULL) {
|
|
UsbHcFreeMemPool (Xhc->MemPool);
|
|
Xhc->MemPool = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
Check if the Trb is a transaction of the URB.
|
|
|
|
@param Xhc The XHCI Instance.
|
|
@param Trb The TRB to be checked
|
|
@param Urb The URB to be checked.
|
|
|
|
@retval TRUE It is a transaction of the URB.
|
|
@retval FALSE It is not any transaction of the URB.
|
|
|
|
**/
|
|
BOOLEAN
|
|
IsTransferRingTrb (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN TRB_TEMPLATE *Trb,
|
|
IN URB *Urb
|
|
)
|
|
{
|
|
LINK_TRB *LinkTrb;
|
|
TRB_TEMPLATE *CheckedTrb;
|
|
UINTN Index;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
CheckedTrb = Urb->TrbStart;
|
|
for (Index = 0; Index < Urb->TrbNum; Index++) {
|
|
if (Trb == CheckedTrb) {
|
|
return TRUE;
|
|
}
|
|
CheckedTrb++;
|
|
//
|
|
// If the checked TRB is the link TRB at the end of the transfer ring,
|
|
// recircle it to the head of the ring.
|
|
//
|
|
if (CheckedTrb->Type == TRB_TYPE_LINK) {
|
|
LinkTrb = (LINK_TRB *) CheckedTrb;
|
|
PhyAddr = (EFI_PHYSICAL_ADDRESS)(LinkTrb->PtrLo | LShiftU64 ((UINT64) LinkTrb->PtrHi, 32));
|
|
CheckedTrb = (TRB_TEMPLATE *)(UINTN) UsbHcGetHostAddrForPciAddr (Xhc->MemPool, (VOID *)(UINTN) PhyAddr, sizeof (TRB_TEMPLATE));
|
|
ASSERT (CheckedTrb == Urb->Ring->RingSeg0);
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
Check if the Trb is a transaction of the URBs in XHCI's asynchronous transfer list.
|
|
|
|
@param Xhc The XHCI Instance.
|
|
@param Trb The TRB to be checked.
|
|
@param Urb The pointer to the matched Urb.
|
|
|
|
@retval TRUE The Trb is matched with a transaction of the URBs in the async list.
|
|
@retval FALSE The Trb is not matched with any URBs in the async list.
|
|
|
|
**/
|
|
BOOLEAN
|
|
IsAsyncIntTrb (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN TRB_TEMPLATE *Trb,
|
|
OUT URB **Urb
|
|
)
|
|
{
|
|
LIST_ENTRY *Entry;
|
|
LIST_ENTRY *Next;
|
|
URB *CheckedUrb;
|
|
|
|
EFI_LIST_FOR_EACH_SAFE (Entry, Next, &Xhc->AsyncIntTransfers) {
|
|
CheckedUrb = EFI_LIST_CONTAINER (Entry, URB, UrbList);
|
|
if (IsTransferRingTrb (Xhc, Trb, CheckedUrb)) {
|
|
*Urb = CheckedUrb;
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
/**
|
|
Check the URB's execution result and update the URB's
|
|
result accordingly.
|
|
|
|
@param Xhc The XHCI Instance.
|
|
@param Urb The URB to check result.
|
|
|
|
@return Whether the result of URB transfer is finialized.
|
|
|
|
**/
|
|
BOOLEAN
|
|
XhcCheckUrbResult (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN URB *Urb
|
|
)
|
|
{
|
|
EVT_TRB_TRANSFER *EvtTrb;
|
|
TRB_TEMPLATE *TRBPtr;
|
|
UINTN Index;
|
|
UINT8 TRBType;
|
|
EFI_STATUS Status;
|
|
URB *AsyncUrb;
|
|
URB *CheckedUrb;
|
|
UINT64 XhcDequeue;
|
|
UINT32 High;
|
|
UINT32 Low;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
ASSERT ((Xhc != NULL) && (Urb != NULL));
|
|
|
|
Status = EFI_SUCCESS;
|
|
AsyncUrb = NULL;
|
|
|
|
if (Urb->Finished) {
|
|
goto EXIT;
|
|
}
|
|
|
|
EvtTrb = NULL;
|
|
|
|
if (XhcIsHalt (Xhc) || XhcIsSysError (Xhc)) {
|
|
Urb->Result |= EFI_USB_ERR_SYSTEM;
|
|
goto EXIT;
|
|
}
|
|
|
|
//
|
|
// Traverse the event ring to find out all new events from the previous check.
|
|
//
|
|
XhcSyncEventRing (Xhc, &Xhc->EventRing);
|
|
for (Index = 0; Index < Xhc->EventRing.TrbNumber; Index++) {
|
|
Status = XhcCheckNewEvent (Xhc, &Xhc->EventRing, ((TRB_TEMPLATE **)&EvtTrb));
|
|
if (Status == EFI_NOT_READY) {
|
|
//
|
|
// All new events are handled, return directly.
|
|
//
|
|
goto EXIT;
|
|
}
|
|
|
|
//
|
|
// Only handle COMMAND_COMPLETETION_EVENT and TRANSFER_EVENT.
|
|
//
|
|
if ((EvtTrb->Type != TRB_TYPE_COMMAND_COMPLT_EVENT) && (EvtTrb->Type != TRB_TYPE_TRANS_EVENT)) {
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// Need convert pci device address to host address
|
|
//
|
|
PhyAddr = (EFI_PHYSICAL_ADDRESS)(EvtTrb->TRBPtrLo | LShiftU64 ((UINT64) EvtTrb->TRBPtrHi, 32));
|
|
TRBPtr = (TRB_TEMPLATE *)(UINTN) UsbHcGetHostAddrForPciAddr (Xhc->MemPool, (VOID *)(UINTN) PhyAddr, sizeof (TRB_TEMPLATE));
|
|
|
|
//
|
|
// Update the status of URB including the pending URB, the URB that is currently checked,
|
|
// and URBs in the XHCI's async interrupt transfer list.
|
|
// This way is used to avoid that those completed async transfer events don't get
|
|
// handled in time and are flushed by newer coming events.
|
|
//
|
|
if (Xhc->PendingUrb != NULL && IsTransferRingTrb (Xhc, TRBPtr, Xhc->PendingUrb)) {
|
|
CheckedUrb = Xhc->PendingUrb;
|
|
} else if (IsTransferRingTrb (Xhc, TRBPtr, Urb)) {
|
|
CheckedUrb = Urb;
|
|
} else if (IsAsyncIntTrb (Xhc, TRBPtr, &AsyncUrb)) {
|
|
CheckedUrb = AsyncUrb;
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
switch (EvtTrb->Completecode) {
|
|
case TRB_COMPLETION_STALL_ERROR:
|
|
CheckedUrb->Result |= EFI_USB_ERR_STALL;
|
|
CheckedUrb->Finished = TRUE;
|
|
DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: STALL_ERROR! Completecode = %x\n",EvtTrb->Completecode));
|
|
goto EXIT;
|
|
|
|
case TRB_COMPLETION_BABBLE_ERROR:
|
|
CheckedUrb->Result |= EFI_USB_ERR_BABBLE;
|
|
CheckedUrb->Finished = TRUE;
|
|
DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: BABBLE_ERROR! Completecode = %x\n",EvtTrb->Completecode));
|
|
goto EXIT;
|
|
|
|
case TRB_COMPLETION_DATA_BUFFER_ERROR:
|
|
CheckedUrb->Result |= EFI_USB_ERR_BUFFER;
|
|
CheckedUrb->Finished = TRUE;
|
|
DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: ERR_BUFFER! Completecode = %x\n",EvtTrb->Completecode));
|
|
goto EXIT;
|
|
|
|
case TRB_COMPLETION_USB_TRANSACTION_ERROR:
|
|
CheckedUrb->Result |= EFI_USB_ERR_TIMEOUT;
|
|
CheckedUrb->Finished = TRUE;
|
|
DEBUG ((EFI_D_ERROR, "XhcCheckUrbResult: TRANSACTION_ERROR! Completecode = %x\n",EvtTrb->Completecode));
|
|
goto EXIT;
|
|
|
|
case TRB_COMPLETION_STOPPED:
|
|
case TRB_COMPLETION_STOPPED_LENGTH_INVALID:
|
|
CheckedUrb->Result |= EFI_USB_ERR_TIMEOUT;
|
|
CheckedUrb->Finished = TRUE;
|
|
//
|
|
// The pending URB is timeout and force stopped when stopping endpoint.
|
|
// Continue the loop to receive the Command Complete Event for stopping endpoint.
|
|
//
|
|
continue;
|
|
|
|
case TRB_COMPLETION_SHORT_PACKET:
|
|
case TRB_COMPLETION_SUCCESS:
|
|
if (EvtTrb->Completecode == TRB_COMPLETION_SHORT_PACKET) {
|
|
DEBUG ((EFI_D_VERBOSE, "XhcCheckUrbResult: short packet happens!\n"));
|
|
}
|
|
|
|
TRBType = (UINT8) (TRBPtr->Type);
|
|
if ((TRBType == TRB_TYPE_DATA_STAGE) ||
|
|
(TRBType == TRB_TYPE_NORMAL) ||
|
|
(TRBType == TRB_TYPE_ISOCH)) {
|
|
CheckedUrb->Completed += (((TRANSFER_TRB_NORMAL*)TRBPtr)->Length - EvtTrb->Length);
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
DEBUG ((EFI_D_ERROR, "Transfer Default Error Occur! Completecode = 0x%x!\n",EvtTrb->Completecode));
|
|
CheckedUrb->Result |= EFI_USB_ERR_TIMEOUT;
|
|
CheckedUrb->Finished = TRUE;
|
|
goto EXIT;
|
|
}
|
|
|
|
//
|
|
// Only check first and end Trb event address
|
|
//
|
|
if (TRBPtr == CheckedUrb->TrbStart) {
|
|
CheckedUrb->StartDone = TRUE;
|
|
}
|
|
|
|
if (TRBPtr == CheckedUrb->TrbEnd) {
|
|
CheckedUrb->EndDone = TRUE;
|
|
}
|
|
|
|
if (CheckedUrb->StartDone && CheckedUrb->EndDone) {
|
|
CheckedUrb->Finished = TRUE;
|
|
CheckedUrb->EvtTrb = (TRB_TEMPLATE *)EvtTrb;
|
|
}
|
|
}
|
|
|
|
EXIT:
|
|
|
|
//
|
|
// Advance event ring to last available entry
|
|
//
|
|
// Some 3rd party XHCI external cards don't support single 64-bytes width register access,
|
|
// So divide it to two 32-bytes width register access.
|
|
//
|
|
Low = XhcReadRuntimeReg (Xhc, XHC_ERDP_OFFSET);
|
|
High = XhcReadRuntimeReg (Xhc, XHC_ERDP_OFFSET + 4);
|
|
XhcDequeue = (UINT64)(LShiftU64((UINT64)High, 32) | Low);
|
|
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Xhc->EventRing.EventRingDequeue, sizeof (TRB_TEMPLATE));
|
|
|
|
if ((XhcDequeue & (~0x0F)) != (PhyAddr & (~0x0F))) {
|
|
//
|
|
// Some 3rd party XHCI external cards don't support single 64-bytes width register access,
|
|
// So divide it to two 32-bytes width register access.
|
|
//
|
|
XhcWriteRuntimeReg (Xhc, XHC_ERDP_OFFSET, XHC_LOW_32BIT (PhyAddr) | BIT3);
|
|
XhcWriteRuntimeReg (Xhc, XHC_ERDP_OFFSET + 4, XHC_HIGH_32BIT (PhyAddr));
|
|
}
|
|
|
|
return Urb->Finished;
|
|
}
|
|
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINTN Index;
|
|
UINT64 Loop;
|
|
UINT8 SlotId;
|
|
UINT8 Dci;
|
|
BOOLEAN Finished;
|
|
|
|
if (CmdTransfer) {
|
|
SlotId = 0;
|
|
Dci = 0;
|
|
} else {
|
|
SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);
|
|
if (SlotId == 0) {
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));
|
|
ASSERT (Dci < 32);
|
|
}
|
|
|
|
Status = EFI_SUCCESS;
|
|
Loop = Timeout * XHC_1_MILLISECOND;
|
|
if (Timeout == 0) {
|
|
Loop = 0xFFFFFFFF;
|
|
}
|
|
|
|
XhcRingDoorBell (Xhc, SlotId, Dci);
|
|
|
|
for (Index = 0; Index < Loop; Index++) {
|
|
Finished = XhcCheckUrbResult (Xhc, Urb);
|
|
if (Finished) {
|
|
break;
|
|
}
|
|
gBS->Stall (XHC_1_MICROSECOND);
|
|
}
|
|
|
|
if (Index == Loop) {
|
|
Urb->Result = EFI_USB_ERR_TIMEOUT;
|
|
Status = EFI_TIMEOUT;
|
|
} else if (Urb->Result != EFI_USB_NOERROR) {
|
|
Status = EFI_DEVICE_ERROR;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
LIST_ENTRY *Entry;
|
|
LIST_ENTRY *Next;
|
|
URB *Urb;
|
|
EFI_USB_DATA_DIRECTION Direction;
|
|
EFI_STATUS Status;
|
|
|
|
Direction = ((EpNum & 0x80) != 0) ? EfiUsbDataIn : EfiUsbDataOut;
|
|
EpNum &= 0x0F;
|
|
|
|
Urb = NULL;
|
|
|
|
EFI_LIST_FOR_EACH_SAFE (Entry, Next, &Xhc->AsyncIntTransfers) {
|
|
Urb = EFI_LIST_CONTAINER (Entry, URB, UrbList);
|
|
if ((Urb->Ep.BusAddr == BusAddr) &&
|
|
(Urb->Ep.EpAddr == EpNum) &&
|
|
(Urb->Ep.Direction == Direction)) {
|
|
//
|
|
// Device doesn't finish the IntTransfer until real data comes
|
|
// So the TRB should be removed as well.
|
|
//
|
|
Status = XhcDequeueTrbFromEndpoint (Xhc, Urb);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhciDelAsyncIntTransfer: XhcDequeueTrbFromEndpoint failed\n"));
|
|
}
|
|
|
|
RemoveEntryList (&Urb->UrbList);
|
|
FreePool(Urb->Data);
|
|
XhcFreeUrb (Xhc, Urb);
|
|
return EFI_SUCCESS;
|
|
}
|
|
}
|
|
|
|
return EFI_NOT_FOUND;
|
|
}
|
|
|
|
/**
|
|
Remove all the asynchronous interrutp transfers.
|
|
|
|
@param Xhc The XHCI Instance.
|
|
|
|
**/
|
|
VOID
|
|
XhciDelAllAsyncIntTransfers (
|
|
IN USB_XHCI_INSTANCE *Xhc
|
|
)
|
|
{
|
|
LIST_ENTRY *Entry;
|
|
LIST_ENTRY *Next;
|
|
URB *Urb;
|
|
EFI_STATUS Status;
|
|
|
|
EFI_LIST_FOR_EACH_SAFE (Entry, Next, &Xhc->AsyncIntTransfers) {
|
|
Urb = EFI_LIST_CONTAINER (Entry, URB, UrbList);
|
|
|
|
//
|
|
// Device doesn't finish the IntTransfer until real data comes
|
|
// So the TRB should be removed as well.
|
|
//
|
|
Status = XhcDequeueTrbFromEndpoint (Xhc, Urb);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhciDelAllAsyncIntTransfers: XhcDequeueTrbFromEndpoint failed\n"));
|
|
}
|
|
|
|
RemoveEntryList (&Urb->UrbList);
|
|
FreePool(Urb->Data);
|
|
XhcFreeUrb (Xhc, Urb);
|
|
}
|
|
}
|
|
|
|
/**
|
|
Insert 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 EpAddr Endpoint addrress
|
|
@param DevSpeed The device speed
|
|
@param MaxPacket The max packet length of the endpoint
|
|
@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 *
|
|
XhciInsertAsyncIntTransfer (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN UINT8 BusAddr,
|
|
IN UINT8 EpAddr,
|
|
IN UINT8 DevSpeed,
|
|
IN UINTN MaxPacket,
|
|
IN UINTN DataLen,
|
|
IN EFI_ASYNC_USB_TRANSFER_CALLBACK Callback,
|
|
IN VOID *Context
|
|
)
|
|
{
|
|
VOID *Data;
|
|
URB *Urb;
|
|
|
|
Data = AllocateZeroPool(DataLen);
|
|
if (Data == NULL) {
|
|
DEBUG ((DEBUG_ERROR, "%a: failed to allocate buffer\n", __FUNCTION__));
|
|
return NULL;
|
|
}
|
|
|
|
Urb = XhcCreateUrb (
|
|
Xhc,
|
|
BusAddr,
|
|
EpAddr,
|
|
DevSpeed,
|
|
MaxPacket,
|
|
XHC_INT_TRANSFER_ASYNC,
|
|
NULL,
|
|
Data,
|
|
DataLen,
|
|
Callback,
|
|
Context
|
|
);
|
|
if (Urb == NULL) {
|
|
DEBUG ((DEBUG_ERROR, "%a: failed to create URB\n", __FUNCTION__));
|
|
FreePool(Data);
|
|
return NULL;
|
|
}
|
|
|
|
//
|
|
// New asynchronous transfer must inserted to the head.
|
|
// Check the comments in XhcMoniteAsyncRequests
|
|
//
|
|
InsertHeadList (&Xhc->AsyncIntTransfers, &Urb->UrbList);
|
|
|
|
return Urb;
|
|
}
|
|
|
|
/**
|
|
Update the queue head for next round of asynchronous transfer
|
|
|
|
@param Xhc The XHCI Instance.
|
|
@param Urb The URB to update
|
|
|
|
**/
|
|
VOID
|
|
XhcUpdateAsyncRequest (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN URB *Urb
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
if (Urb->Result == EFI_USB_NOERROR) {
|
|
Status = XhcCreateTransferTrb (Xhc, Urb);
|
|
if (EFI_ERROR(Status)) {
|
|
return;
|
|
}
|
|
Status = RingIntTransferDoorBell (Xhc, Urb);
|
|
if (EFI_ERROR(Status)) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
Flush data from PCI controller specific address to mapped system
|
|
memory address.
|
|
|
|
@param Xhc The XHCI device.
|
|
@param Urb The URB to unmap.
|
|
|
|
@retval EFI_SUCCESS Success to flush data to mapped system memory.
|
|
@retval EFI_DEVICE_ERROR Fail to flush data to mapped system memory.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
XhcFlushAsyncIntMap (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN URB *Urb
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
EFI_PCI_IO_PROTOCOL_OPERATION MapOp;
|
|
EFI_PCI_IO_PROTOCOL *PciIo;
|
|
UINTN Len;
|
|
VOID *Map;
|
|
|
|
PciIo = Xhc->PciIo;
|
|
Len = Urb->DataLen;
|
|
|
|
if (Urb->Ep.Direction == EfiUsbDataIn) {
|
|
MapOp = EfiPciIoOperationBusMasterWrite;
|
|
} else {
|
|
MapOp = EfiPciIoOperationBusMasterRead;
|
|
}
|
|
|
|
if (Urb->DataMap != NULL) {
|
|
Status = PciIo->Unmap (PciIo, Urb->DataMap);
|
|
if (EFI_ERROR(Status)) {
|
|
goto ON_ERROR;
|
|
}
|
|
}
|
|
|
|
Urb->DataMap = NULL;
|
|
|
|
Status = PciIo->Map (PciIo, MapOp, Urb->Data, &Len, &PhyAddr, &Map);
|
|
if (EFI_ERROR(Status) || (Len != Urb->DataLen)) {
|
|
goto ON_ERROR;
|
|
}
|
|
|
|
Urb->DataPhy = (VOID *) ((UINTN) PhyAddr);
|
|
Urb->DataMap = Map;
|
|
return EFI_SUCCESS;
|
|
|
|
ON_ERROR:
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
USB_XHCI_INSTANCE *Xhc;
|
|
LIST_ENTRY *Entry;
|
|
LIST_ENTRY *Next;
|
|
UINT8 *ProcBuf;
|
|
URB *Urb;
|
|
UINT8 SlotId;
|
|
EFI_STATUS Status;
|
|
EFI_TPL OldTpl;
|
|
|
|
OldTpl = gBS->RaiseTPL (XHC_TPL);
|
|
|
|
Xhc = (USB_XHCI_INSTANCE*) Context;
|
|
|
|
EFI_LIST_FOR_EACH_SAFE (Entry, Next, &Xhc->AsyncIntTransfers) {
|
|
Urb = EFI_LIST_CONTAINER (Entry, URB, UrbList);
|
|
|
|
//
|
|
// Make sure that the device is available before every check.
|
|
//
|
|
SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);
|
|
if (SlotId == 0) {
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// Check the result of URB execution. If it is still
|
|
// active, check the next one.
|
|
//
|
|
XhcCheckUrbResult (Xhc, Urb);
|
|
|
|
if (!Urb->Finished) {
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// Flush any PCI posted write transactions from a PCI host
|
|
// bridge to system memory.
|
|
//
|
|
Status = XhcFlushAsyncIntMap (Xhc, Urb);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcMonitorAsyncRequests: Fail to Flush AsyncInt Mapped Memeory\n"));
|
|
}
|
|
|
|
//
|
|
// Allocate a buffer then copy the transferred data for user.
|
|
// If failed to allocate the buffer, update the URB for next
|
|
// round of transfer. Ignore the data of this round.
|
|
//
|
|
ProcBuf = NULL;
|
|
if (Urb->Result == EFI_USB_NOERROR) {
|
|
//
|
|
// Make sure the data received from HW is no more than expected.
|
|
//
|
|
if (Urb->Completed <= Urb->DataLen) {
|
|
ProcBuf = AllocateZeroPool(Urb->Completed);
|
|
}
|
|
|
|
if (ProcBuf == NULL) {
|
|
XhcUpdateAsyncRequest (Xhc, Urb);
|
|
continue;
|
|
}
|
|
|
|
CopyMem (ProcBuf, Urb->Data, Urb->Completed);
|
|
}
|
|
|
|
//
|
|
// Leave error recovery to its related device driver. A
|
|
// common case of the error recovery is to re-submit the
|
|
// interrupt transfer which is linked to the head of the
|
|
// list. This function scans from head to tail. So the
|
|
// re-submitted interrupt transfer's callback function
|
|
// will not be called again in this round. Don't touch this
|
|
// URB after the callback, it may have been removed by the
|
|
// callback.
|
|
//
|
|
if (Urb->Callback != NULL) {
|
|
//
|
|
// Restore the old TPL, USB bus maybe connect device in
|
|
// his callback. Some drivers may has a lower TPL restriction.
|
|
//
|
|
gBS->RestoreTPL (OldTpl);
|
|
(Urb->Callback) (ProcBuf, Urb->Completed, Urb->Context, Urb->Result);
|
|
OldTpl = gBS->RaiseTPL (XHC_TPL);
|
|
}
|
|
|
|
if (ProcBuf != NULL) {
|
|
gBS->FreePool(ProcBuf);
|
|
}
|
|
|
|
XhcUpdateAsyncRequest (Xhc, Urb);
|
|
}
|
|
gBS->RestoreTPL (OldTpl);
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINT8 Speed;
|
|
UINT8 SlotId;
|
|
USB_DEV_ROUTE RouteChart;
|
|
|
|
Status = EFI_SUCCESS;
|
|
|
|
if ((PortState->PortChangeStatus & (USB_PORT_STAT_C_CONNECTION | USB_PORT_STAT_C_ENABLE | USB_PORT_STAT_C_OVERCURRENT | USB_PORT_STAT_C_RESET)) == 0) {
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
if (ParentRouteChart.Dword == 0) {
|
|
RouteChart.Route.RouteString = 0;
|
|
RouteChart.Route.RootPortNum = Port + 1;
|
|
RouteChart.Route.TierNum = 1;
|
|
} else {
|
|
if(Port < 14) {
|
|
RouteChart.Route.RouteString = ParentRouteChart.Route.RouteString | (Port << (4 * (ParentRouteChart.Route.TierNum - 1)));
|
|
} else {
|
|
RouteChart.Route.RouteString = ParentRouteChart.Route.RouteString | (15 << (4 * (ParentRouteChart.Route.TierNum - 1)));
|
|
}
|
|
RouteChart.Route.RootPortNum = ParentRouteChart.Route.RootPortNum;
|
|
RouteChart.Route.TierNum = ParentRouteChart.Route.TierNum + 1;
|
|
}
|
|
|
|
SlotId = XhcRouteStringToSlotId (Xhc, RouteChart);
|
|
if (SlotId != 0) {
|
|
if (Xhc->HcCParams.Data.Csz == 0) {
|
|
Status = XhcDisableSlotCmd (Xhc, SlotId);
|
|
} else {
|
|
Status = XhcDisableSlotCmd64 (Xhc, SlotId);
|
|
}
|
|
}
|
|
|
|
if (((PortState->PortStatus & USB_PORT_STAT_ENABLE) != 0) &&
|
|
((PortState->PortStatus & USB_PORT_STAT_CONNECTION) != 0)) {
|
|
//
|
|
// Has a device attached, Identify device speed after port is enabled.
|
|
//
|
|
Speed = EFI_USB_SPEED_FULL;
|
|
if ((PortState->PortStatus & USB_PORT_STAT_LOW_SPEED) != 0) {
|
|
Speed = EFI_USB_SPEED_LOW;
|
|
} else if ((PortState->PortStatus & USB_PORT_STAT_HIGH_SPEED) != 0) {
|
|
Speed = EFI_USB_SPEED_HIGH;
|
|
} else if ((PortState->PortStatus & USB_PORT_STAT_SUPER_SPEED) != 0) {
|
|
Speed = EFI_USB_SPEED_SUPER;
|
|
}
|
|
//
|
|
// Execute Enable_Slot cmd for attached device, initialize device context and assign device address.
|
|
//
|
|
SlotId = XhcRouteStringToSlotId (Xhc, RouteChart);
|
|
if ((SlotId == 0) && ((PortState->PortChangeStatus & USB_PORT_STAT_C_RESET) != 0)) {
|
|
if (Xhc->HcCParams.Data.Csz == 0) {
|
|
Status = XhcInitializeDeviceSlot (Xhc, ParentRouteChart, Port, RouteChart, Speed);
|
|
} else {
|
|
Status = XhcInitializeDeviceSlot64 (Xhc, ParentRouteChart, Port, RouteChart, Speed);
|
|
}
|
|
}
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
UINT8 Index;
|
|
|
|
if (EpAddr == 0) {
|
|
return 1;
|
|
} else {
|
|
Index = (UINT8) (2 * EpAddr);
|
|
if (Direction == EfiUsbDataIn) {
|
|
Index += 1;
|
|
}
|
|
return Index;
|
|
}
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
UINT8 Index;
|
|
|
|
for (Index = 0; Index < 255; Index++) {
|
|
if (Xhc->UsbDevContext[Index + 1].Enabled &&
|
|
(Xhc->UsbDevContext[Index + 1].SlotId != 0) &&
|
|
(Xhc->UsbDevContext[Index + 1].BusDevAddr == BusDevAddr)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (Index == 255) {
|
|
return 0;
|
|
}
|
|
|
|
return Xhc->UsbDevContext[Index + 1].SlotId;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
UINT8 Index;
|
|
|
|
for (Index = 0; Index < 255; Index++) {
|
|
if (Xhc->UsbDevContext[Index + 1].Enabled &&
|
|
(Xhc->UsbDevContext[Index + 1].SlotId != 0) &&
|
|
(Xhc->UsbDevContext[Index + 1].RouteString.Dword == RouteString.Dword)) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (Index == 255) {
|
|
return 0;
|
|
}
|
|
|
|
return Xhc->UsbDevContext[Index + 1].SlotId;
|
|
}
|
|
|
|
/**
|
|
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,
|
|
IN EVENT_RING *EvtRing
|
|
)
|
|
{
|
|
UINTN Index;
|
|
TRB_TEMPLATE *EvtTrb1;
|
|
|
|
ASSERT (EvtRing != NULL);
|
|
|
|
//
|
|
// Calculate the EventRingEnqueue and EventRingCCS.
|
|
// Note: only support single Segment
|
|
//
|
|
EvtTrb1 = EvtRing->EventRingDequeue;
|
|
|
|
for (Index = 0; Index < EvtRing->TrbNumber; Index++) {
|
|
if (EvtTrb1->CycleBit != EvtRing->EventRingCCS) {
|
|
break;
|
|
}
|
|
|
|
EvtTrb1++;
|
|
|
|
if ((UINTN)EvtTrb1 >= ((UINTN) EvtRing->EventRingSeg0 + sizeof (TRB_TEMPLATE) * EvtRing->TrbNumber)) {
|
|
EvtTrb1 = EvtRing->EventRingSeg0;
|
|
EvtRing->EventRingCCS = (EvtRing->EventRingCCS) ? 0 : 1;
|
|
}
|
|
}
|
|
|
|
if (Index < EvtRing->TrbNumber) {
|
|
EvtRing->EventRingEnqueue = EvtTrb1;
|
|
} else {
|
|
ASSERT (FALSE);
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
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,
|
|
IN TRANSFER_RING *TrsRing
|
|
)
|
|
{
|
|
UINTN Index;
|
|
TRB_TEMPLATE *TrsTrb;
|
|
|
|
ASSERT (TrsRing != NULL);
|
|
//
|
|
// Calculate the latest RingEnqueue and RingPCS
|
|
//
|
|
TrsTrb = TrsRing->RingEnqueue;
|
|
ASSERT (TrsTrb != NULL);
|
|
|
|
for (Index = 0; Index < TrsRing->TrbNumber; Index++) {
|
|
if (TrsTrb->CycleBit != (TrsRing->RingPCS & BIT0)) {
|
|
break;
|
|
}
|
|
TrsTrb++;
|
|
if ((UINT8) TrsTrb->Type == TRB_TYPE_LINK) {
|
|
ASSERT (((LINK_TRB*)TrsTrb)->TC != 0);
|
|
//
|
|
// set cycle bit in Link TRB as normal
|
|
//
|
|
((LINK_TRB*)TrsTrb)->CycleBit = TrsRing->RingPCS & BIT0;
|
|
//
|
|
// Toggle PCS maintained by software
|
|
//
|
|
TrsRing->RingPCS = (TrsRing->RingPCS & BIT0) ? 0 : 1;
|
|
TrsTrb = (TRB_TEMPLATE *) TrsRing->RingSeg0; // Use host address
|
|
}
|
|
}
|
|
|
|
ASSERT (Index != TrsRing->TrbNumber);
|
|
|
|
if (TrsTrb != TrsRing->RingEnqueue) {
|
|
TrsRing->RingEnqueue = TrsTrb;
|
|
}
|
|
|
|
//
|
|
// Clear the Trb context for enqueue, but reserve the PCS bit
|
|
//
|
|
TrsTrb->Parameter1 = 0;
|
|
TrsTrb->Parameter2 = 0;
|
|
TrsTrb->Status = 0;
|
|
TrsTrb->RsvdZ1 = 0;
|
|
TrsTrb->Type = 0;
|
|
TrsTrb->Control = 0;
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
ASSERT (EvtRing != NULL);
|
|
|
|
*NewEvtTrb = EvtRing->EventRingDequeue;
|
|
|
|
if (EvtRing->EventRingDequeue == EvtRing->EventRingEnqueue) {
|
|
return EFI_NOT_READY;
|
|
}
|
|
|
|
EvtRing->EventRingDequeue++;
|
|
//
|
|
// If the dequeue pointer is beyond the ring, then roll-back it to the begining of the ring.
|
|
//
|
|
if ((UINTN)EvtRing->EventRingDequeue >= ((UINTN) EvtRing->EventRingSeg0 + sizeof (TRB_TEMPLATE) * EvtRing->TrbNumber)) {
|
|
EvtRing->EventRingDequeue = EvtRing->EventRingSeg0;
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
if (SlotId == 0) {
|
|
XhcWriteDoorBellReg (Xhc, 0, 0);
|
|
} else {
|
|
XhcWriteDoorBellReg (Xhc, SlotId * sizeof (UINT32), Dci);
|
|
}
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
UINT8 SlotId;
|
|
UINT8 Dci;
|
|
|
|
SlotId = XhcBusDevAddrToSlotId (Xhc, Urb->Ep.BusAddr);
|
|
Dci = XhcEndpointToDci (Urb->Ep.EpAddr, (UINT8)(Urb->Ep.Direction));
|
|
XhcRingDoorBell (Xhc, SlotId, Dci);
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
INPUT_CONTEXT *InputContext;
|
|
DEVICE_CONTEXT *OutputContext;
|
|
TRANSFER_RING *EndpointTransferRing;
|
|
CMD_TRB_ADDRESS_DEVICE CmdTrbAddr;
|
|
UINT8 DeviceAddress;
|
|
CMD_TRB_ENABLE_SLOT CmdTrb;
|
|
UINT8 SlotId;
|
|
UINT8 ParentSlotId;
|
|
DEVICE_CONTEXT *ParentDeviceContext;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
ZeroMem (&CmdTrb, sizeof (CMD_TRB_ENABLE_SLOT));
|
|
CmdTrb.CycleBit = 1;
|
|
CmdTrb.Type = TRB_TYPE_EN_SLOT;
|
|
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrb,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcInitializeDeviceSlot: Enable Slot Failed, Status = %r\n", Status));
|
|
return Status;
|
|
}
|
|
ASSERT (EvtTrb->SlotId <= Xhc->MaxSlotsEn);
|
|
DEBUG ((EFI_D_INFO, "Enable Slot Successfully, The Slot ID = 0x%x\n", EvtTrb->SlotId));
|
|
SlotId = (UINT8)EvtTrb->SlotId;
|
|
ASSERT (SlotId != 0);
|
|
|
|
ZeroMem (&Xhc->UsbDevContext[SlotId], sizeof (USB_DEV_CONTEXT));
|
|
Xhc->UsbDevContext[SlotId].Enabled = TRUE;
|
|
Xhc->UsbDevContext[SlotId].SlotId = SlotId;
|
|
Xhc->UsbDevContext[SlotId].RouteString.Dword = RouteChart.Dword;
|
|
Xhc->UsbDevContext[SlotId].ParentRouteString.Dword = ParentRouteChart.Dword;
|
|
|
|
//
|
|
// 4.3.3 Device Slot Initialization
|
|
// 1) Allocate an Input Context data structure (6.2.5) and initialize all fields to '0'.
|
|
//
|
|
InputContext = UsbHcAllocateMem (Xhc->MemPool, sizeof (INPUT_CONTEXT));
|
|
ASSERT (InputContext != NULL);
|
|
ASSERT (((UINTN) InputContext & 0x3F) == 0);
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT));
|
|
|
|
Xhc->UsbDevContext[SlotId].InputContext = (VOID *) InputContext;
|
|
|
|
//
|
|
// 2) Initialize the Input Control Context (6.2.5.1) of the Input Context by setting the A0 and A1
|
|
// flags to '1'. These flags indicate that the Slot Context and the Endpoint 0 Context of the Input
|
|
// Context are affected by the command.
|
|
//
|
|
InputContext->InputControlContext.Dword2 |= (BIT0 | BIT1);
|
|
|
|
//
|
|
// 3) Initialize the Input Slot Context data structure
|
|
//
|
|
InputContext->Slot.RouteString = RouteChart.Route.RouteString;
|
|
InputContext->Slot.Speed = DeviceSpeed + 1;
|
|
InputContext->Slot.ContextEntries = 1;
|
|
InputContext->Slot.RootHubPortNum = RouteChart.Route.RootPortNum;
|
|
|
|
if (RouteChart.Route.RouteString) {
|
|
//
|
|
// The device is behind of hub device.
|
|
//
|
|
ParentSlotId = XhcRouteStringToSlotId(Xhc, ParentRouteChart);
|
|
ASSERT (ParentSlotId != 0);
|
|
//
|
|
//if the Full/Low device attached to a High Speed Hub, Init the TTPortNum and TTHubSlotId field of slot context
|
|
//
|
|
ParentDeviceContext = (DEVICE_CONTEXT *)Xhc->UsbDevContext[ParentSlotId].OutputContext;
|
|
if ((ParentDeviceContext->Slot.TTPortNum == 0) &&
|
|
(ParentDeviceContext->Slot.TTHubSlotId == 0)) {
|
|
if ((ParentDeviceContext->Slot.Speed == (EFI_USB_SPEED_HIGH + 1)) && (DeviceSpeed < EFI_USB_SPEED_HIGH)) {
|
|
//
|
|
// Full/Low device attached to High speed hub port that isolates the high speed signaling
|
|
// environment from Full/Low speed signaling environment for a device
|
|
//
|
|
InputContext->Slot.TTPortNum = ParentPort;
|
|
InputContext->Slot.TTHubSlotId = ParentSlotId;
|
|
}
|
|
} else {
|
|
//
|
|
// Inherit the TT parameters from parent device.
|
|
//
|
|
InputContext->Slot.TTPortNum = ParentDeviceContext->Slot.TTPortNum;
|
|
InputContext->Slot.TTHubSlotId = ParentDeviceContext->Slot.TTHubSlotId;
|
|
//
|
|
// If the device is a High speed device then down the speed to be the same as its parent Hub
|
|
//
|
|
if (DeviceSpeed == EFI_USB_SPEED_HIGH) {
|
|
InputContext->Slot.Speed = ParentDeviceContext->Slot.Speed;
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// 4) Allocate and initialize the Transfer Ring for the Default Control Endpoint.
|
|
//
|
|
EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[0] = EndpointTransferRing;
|
|
CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0]);
|
|
//
|
|
// 5) Initialize the Input default control Endpoint 0 Context (6.2.3).
|
|
//
|
|
InputContext->EP[0].EPType = ED_CONTROL_BIDIR;
|
|
|
|
if (DeviceSpeed == EFI_USB_SPEED_SUPER) {
|
|
InputContext->EP[0].MaxPacketSize = 512;
|
|
} else if (DeviceSpeed == EFI_USB_SPEED_HIGH) {
|
|
InputContext->EP[0].MaxPacketSize = 64;
|
|
} else {
|
|
InputContext->EP[0].MaxPacketSize = 8;
|
|
}
|
|
//
|
|
// Initial value of Average TRB Length for Control endpoints would be 8B, Interrupt endpoints
|
|
// 1KB, and Bulk and Isoch endpoints 3KB.
|
|
//
|
|
InputContext->EP[0].AverageTRBLength = 8;
|
|
InputContext->EP[0].MaxBurstSize = 0;
|
|
InputContext->EP[0].Interval = 0;
|
|
InputContext->EP[0].MaxPStreams = 0;
|
|
InputContext->EP[0].Mult = 0;
|
|
InputContext->EP[0].CErr = 3;
|
|
|
|
//
|
|
// Init the DCS(dequeue cycle state) as the transfer ring's CCS
|
|
//
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (
|
|
Xhc->MemPool,
|
|
((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0])->RingSeg0,
|
|
sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER
|
|
);
|
|
InputContext->EP[0].PtrLo = XHC_LOW_32BIT (PhyAddr) | BIT0;
|
|
InputContext->EP[0].PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
|
|
//
|
|
// 6) Allocate the Output Device Context data structure (6.2.1) and initialize it to '0'.
|
|
//
|
|
OutputContext = UsbHcAllocateMem (Xhc->MemPool, sizeof (DEVICE_CONTEXT));
|
|
ASSERT (OutputContext != NULL);
|
|
ASSERT (((UINTN) OutputContext & 0x3F) == 0);
|
|
ZeroMem (OutputContext, sizeof (DEVICE_CONTEXT));
|
|
|
|
Xhc->UsbDevContext[SlotId].OutputContext = OutputContext;
|
|
//
|
|
// 7) Load the appropriate (Device Slot ID) entry in the Device Context Base Address Array (5.4.6) with
|
|
// a pointer to the Output Device Context data structure (6.2.1).
|
|
//
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, OutputContext, sizeof (DEVICE_CONTEXT));
|
|
//
|
|
// Fill DCBAA with PCI device address
|
|
//
|
|
Xhc->DCBAA[SlotId] = (UINT64) (UINTN) PhyAddr;
|
|
|
|
//
|
|
// 8) Issue an Address Device Command for the Device Slot, where the command points to the Input
|
|
// Context data structure described above.
|
|
//
|
|
// Delay 10ms to meet TRSTRCY delay requirement in usb 2.0 spec chapter 7.1.7.5 before sending SetAddress() request
|
|
// to device.
|
|
//
|
|
gBS->Stall (XHC_RESET_RECOVERY_DELAY);
|
|
ZeroMem (&CmdTrbAddr, sizeof (CmdTrbAddr));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Xhc->UsbDevContext[SlotId].InputContext, sizeof (INPUT_CONTEXT));
|
|
CmdTrbAddr.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbAddr.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbAddr.CycleBit = 1;
|
|
CmdTrbAddr.Type = TRB_TYPE_ADDRESS_DEV;
|
|
CmdTrbAddr.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbAddr,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (!EFI_ERROR(Status)) {
|
|
DeviceAddress = (UINT8) ((DEVICE_CONTEXT *) OutputContext)->Slot.DeviceAddress;
|
|
DEBUG ((EFI_D_INFO, " Address %d assigned successfully\n", DeviceAddress));
|
|
Xhc->UsbDevContext[SlotId].XhciDevAddr = DeviceAddress;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
INPUT_CONTEXT_64 *InputContext;
|
|
DEVICE_CONTEXT_64 *OutputContext;
|
|
TRANSFER_RING *EndpointTransferRing;
|
|
CMD_TRB_ADDRESS_DEVICE CmdTrbAddr;
|
|
UINT8 DeviceAddress;
|
|
CMD_TRB_ENABLE_SLOT CmdTrb;
|
|
UINT8 SlotId;
|
|
UINT8 ParentSlotId;
|
|
DEVICE_CONTEXT_64 *ParentDeviceContext;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
ZeroMem (&CmdTrb, sizeof (CMD_TRB_ENABLE_SLOT));
|
|
CmdTrb.CycleBit = 1;
|
|
CmdTrb.Type = TRB_TYPE_EN_SLOT;
|
|
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrb,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcInitializeDeviceSlot64: Enable Slot Failed, Status = %r\n", Status));
|
|
return Status;
|
|
}
|
|
ASSERT (EvtTrb->SlotId <= Xhc->MaxSlotsEn);
|
|
DEBUG ((EFI_D_INFO, "Enable Slot Successfully, The Slot ID = 0x%x\n", EvtTrb->SlotId));
|
|
SlotId = (UINT8)EvtTrb->SlotId;
|
|
ASSERT (SlotId != 0);
|
|
|
|
ZeroMem (&Xhc->UsbDevContext[SlotId], sizeof (USB_DEV_CONTEXT));
|
|
Xhc->UsbDevContext[SlotId].Enabled = TRUE;
|
|
Xhc->UsbDevContext[SlotId].SlotId = SlotId;
|
|
Xhc->UsbDevContext[SlotId].RouteString.Dword = RouteChart.Dword;
|
|
Xhc->UsbDevContext[SlotId].ParentRouteString.Dword = ParentRouteChart.Dword;
|
|
|
|
//
|
|
// 4.3.3 Device Slot Initialization
|
|
// 1) Allocate an Input Context data structure (6.2.5) and initialize all fields to '0'.
|
|
//
|
|
InputContext = UsbHcAllocateMem (Xhc->MemPool, sizeof (INPUT_CONTEXT_64));
|
|
ASSERT (InputContext != NULL);
|
|
ASSERT (((UINTN) InputContext & 0x3F) == 0);
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));
|
|
|
|
Xhc->UsbDevContext[SlotId].InputContext = (VOID *) InputContext;
|
|
|
|
//
|
|
// 2) Initialize the Input Control Context (6.2.5.1) of the Input Context by setting the A0 and A1
|
|
// flags to '1'. These flags indicate that the Slot Context and the Endpoint 0 Context of the Input
|
|
// Context are affected by the command.
|
|
//
|
|
InputContext->InputControlContext.Dword2 |= (BIT0 | BIT1);
|
|
|
|
//
|
|
// 3) Initialize the Input Slot Context data structure
|
|
//
|
|
InputContext->Slot.RouteString = RouteChart.Route.RouteString;
|
|
InputContext->Slot.Speed = DeviceSpeed + 1;
|
|
InputContext->Slot.ContextEntries = 1;
|
|
InputContext->Slot.RootHubPortNum = RouteChart.Route.RootPortNum;
|
|
|
|
if (RouteChart.Route.RouteString) {
|
|
//
|
|
// The device is behind of hub device.
|
|
//
|
|
ParentSlotId = XhcRouteStringToSlotId(Xhc, ParentRouteChart);
|
|
ASSERT (ParentSlotId != 0);
|
|
//
|
|
//if the Full/Low device attached to a High Speed Hub, Init the TTPortNum and TTHubSlotId field of slot context
|
|
//
|
|
ParentDeviceContext = (DEVICE_CONTEXT_64 *)Xhc->UsbDevContext[ParentSlotId].OutputContext;
|
|
if ((ParentDeviceContext->Slot.TTPortNum == 0) &&
|
|
(ParentDeviceContext->Slot.TTHubSlotId == 0)) {
|
|
if ((ParentDeviceContext->Slot.Speed == (EFI_USB_SPEED_HIGH + 1)) && (DeviceSpeed < EFI_USB_SPEED_HIGH)) {
|
|
//
|
|
// Full/Low device attached to High speed hub port that isolates the high speed signaling
|
|
// environment from Full/Low speed signaling environment for a device
|
|
//
|
|
InputContext->Slot.TTPortNum = ParentPort;
|
|
InputContext->Slot.TTHubSlotId = ParentSlotId;
|
|
}
|
|
} else {
|
|
//
|
|
// Inherit the TT parameters from parent device.
|
|
//
|
|
InputContext->Slot.TTPortNum = ParentDeviceContext->Slot.TTPortNum;
|
|
InputContext->Slot.TTHubSlotId = ParentDeviceContext->Slot.TTHubSlotId;
|
|
//
|
|
// If the device is a High speed device then down the speed to be the same as its parent Hub
|
|
//
|
|
if (DeviceSpeed == EFI_USB_SPEED_HIGH) {
|
|
InputContext->Slot.Speed = ParentDeviceContext->Slot.Speed;
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// 4) Allocate and initialize the Transfer Ring for the Default Control Endpoint.
|
|
//
|
|
EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[0] = EndpointTransferRing;
|
|
CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0]);
|
|
//
|
|
// 5) Initialize the Input default control Endpoint 0 Context (6.2.3).
|
|
//
|
|
InputContext->EP[0].EPType = ED_CONTROL_BIDIR;
|
|
|
|
if (DeviceSpeed == EFI_USB_SPEED_SUPER) {
|
|
InputContext->EP[0].MaxPacketSize = 512;
|
|
} else if (DeviceSpeed == EFI_USB_SPEED_HIGH) {
|
|
InputContext->EP[0].MaxPacketSize = 64;
|
|
} else {
|
|
InputContext->EP[0].MaxPacketSize = 8;
|
|
}
|
|
//
|
|
// Initial value of Average TRB Length for Control endpoints would be 8B, Interrupt endpoints
|
|
// 1KB, and Bulk and Isoch endpoints 3KB.
|
|
//
|
|
InputContext->EP[0].AverageTRBLength = 8;
|
|
InputContext->EP[0].MaxBurstSize = 0;
|
|
InputContext->EP[0].Interval = 0;
|
|
InputContext->EP[0].MaxPStreams = 0;
|
|
InputContext->EP[0].Mult = 0;
|
|
InputContext->EP[0].CErr = 3;
|
|
|
|
//
|
|
// Init the DCS(dequeue cycle state) as the transfer ring's CCS
|
|
//
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (
|
|
Xhc->MemPool,
|
|
((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[0])->RingSeg0,
|
|
sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER
|
|
);
|
|
InputContext->EP[0].PtrLo = XHC_LOW_32BIT (PhyAddr) | BIT0;
|
|
InputContext->EP[0].PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
|
|
//
|
|
// 6) Allocate the Output Device Context data structure (6.2.1) and initialize it to '0'.
|
|
//
|
|
OutputContext = UsbHcAllocateMem (Xhc->MemPool, sizeof (DEVICE_CONTEXT_64));
|
|
ASSERT (OutputContext != NULL);
|
|
ASSERT (((UINTN) OutputContext & 0x3F) == 0);
|
|
ZeroMem (OutputContext, sizeof (DEVICE_CONTEXT_64));
|
|
|
|
Xhc->UsbDevContext[SlotId].OutputContext = OutputContext;
|
|
//
|
|
// 7) Load the appropriate (Device Slot ID) entry in the Device Context Base Address Array (5.4.6) with
|
|
// a pointer to the Output Device Context data structure (6.2.1).
|
|
//
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, OutputContext, sizeof (DEVICE_CONTEXT_64));
|
|
//
|
|
// Fill DCBAA with PCI device address
|
|
//
|
|
Xhc->DCBAA[SlotId] = (UINT64) (UINTN) PhyAddr;
|
|
|
|
//
|
|
// 8) Issue an Address Device Command for the Device Slot, where the command points to the Input
|
|
// Context data structure described above.
|
|
//
|
|
// Delay 10ms to meet TRSTRCY delay requirement in usb 2.0 spec chapter 7.1.7.5 before sending SetAddress() request
|
|
// to device.
|
|
//
|
|
gBS->Stall (XHC_RESET_RECOVERY_DELAY);
|
|
ZeroMem (&CmdTrbAddr, sizeof (CmdTrbAddr));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Xhc->UsbDevContext[SlotId].InputContext, sizeof (INPUT_CONTEXT_64));
|
|
CmdTrbAddr.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbAddr.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbAddr.CycleBit = 1;
|
|
CmdTrbAddr.Type = TRB_TYPE_ADDRESS_DEV;
|
|
CmdTrbAddr.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbAddr,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (!EFI_ERROR(Status)) {
|
|
DeviceAddress = (UINT8) ((DEVICE_CONTEXT_64 *) OutputContext)->Slot.DeviceAddress;
|
|
DEBUG ((EFI_D_INFO, " Address %d assigned successfully\n", DeviceAddress));
|
|
Xhc->UsbDevContext[SlotId].XhciDevAddr = DeviceAddress;
|
|
}
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
TRB_TEMPLATE *EvtTrb;
|
|
CMD_TRB_DISABLE_SLOT CmdTrbDisSlot;
|
|
UINT8 Index;
|
|
VOID *RingSeg;
|
|
|
|
//
|
|
// Disable the device slots occupied by these devices on its downstream ports.
|
|
// Entry 0 is reserved.
|
|
//
|
|
for (Index = 0; Index < 255; Index++) {
|
|
if (!Xhc->UsbDevContext[Index + 1].Enabled ||
|
|
(Xhc->UsbDevContext[Index + 1].SlotId == 0) ||
|
|
(Xhc->UsbDevContext[Index + 1].ParentRouteString.Dword != Xhc->UsbDevContext[SlotId].RouteString.Dword)) {
|
|
continue;
|
|
}
|
|
|
|
Status = XhcDisableSlotCmd (Xhc, Xhc->UsbDevContext[Index + 1].SlotId);
|
|
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: failed to disable child, ignore error\n"));
|
|
Xhc->UsbDevContext[Index + 1].SlotId = 0;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Construct the disable slot command
|
|
//
|
|
DEBUG ((EFI_D_INFO, "Disable device slot %d!\n", SlotId));
|
|
|
|
ZeroMem (&CmdTrbDisSlot, sizeof (CmdTrbDisSlot));
|
|
CmdTrbDisSlot.CycleBit = 1;
|
|
CmdTrbDisSlot.Type = TRB_TYPE_DIS_SLOT;
|
|
CmdTrbDisSlot.SlotId = SlotId;
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbDisSlot,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: Disable Slot Command Failed, Status = %r\n", Status));
|
|
return Status;
|
|
}
|
|
//
|
|
// Free the slot's device context entry
|
|
//
|
|
Xhc->DCBAA[SlotId] = 0;
|
|
|
|
//
|
|
// Free the slot related data structure
|
|
//
|
|
for (Index = 0; Index < 31; Index++) {
|
|
if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] != NULL) {
|
|
RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index])->RingSeg0;
|
|
if (RingSeg != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, RingSeg, sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER);
|
|
}
|
|
FreePool(Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index]);
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] = NULL;
|
|
}
|
|
}
|
|
|
|
for (Index = 0; Index < Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations; Index++) {
|
|
if (Xhc->UsbDevContext[SlotId].ConfDesc[Index] != NULL) {
|
|
FreePool(Xhc->UsbDevContext[SlotId].ConfDesc[Index]);
|
|
}
|
|
}
|
|
|
|
if (Xhc->UsbDevContext[SlotId].ActiveAlternateSetting != NULL) {
|
|
FreePool(Xhc->UsbDevContext[SlotId].ActiveAlternateSetting);
|
|
}
|
|
|
|
if (Xhc->UsbDevContext[SlotId].InputContext != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, Xhc->UsbDevContext[SlotId].InputContext, sizeof (INPUT_CONTEXT));
|
|
}
|
|
|
|
if (Xhc->UsbDevContext[SlotId].OutputContext != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, Xhc->UsbDevContext[SlotId].OutputContext, sizeof (DEVICE_CONTEXT));
|
|
}
|
|
//
|
|
// Doesn't zero the entry because XhcAsyncInterruptTransfer() may be invoked to remove the established
|
|
// asynchronous interrupt pipe after the device is disabled. It needs the device address mapping info to
|
|
// remove urb from XHCI's asynchronous transfer list.
|
|
//
|
|
Xhc->UsbDevContext[SlotId].Enabled = FALSE;
|
|
Xhc->UsbDevContext[SlotId].SlotId = 0;
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
TRB_TEMPLATE *EvtTrb;
|
|
CMD_TRB_DISABLE_SLOT CmdTrbDisSlot;
|
|
UINT8 Index;
|
|
VOID *RingSeg;
|
|
|
|
//
|
|
// Disable the device slots occupied by these devices on its downstream ports.
|
|
// Entry 0 is reserved.
|
|
//
|
|
for (Index = 0; Index < 255; Index++) {
|
|
if (!Xhc->UsbDevContext[Index + 1].Enabled ||
|
|
(Xhc->UsbDevContext[Index + 1].SlotId == 0) ||
|
|
(Xhc->UsbDevContext[Index + 1].ParentRouteString.Dword != Xhc->UsbDevContext[SlotId].RouteString.Dword)) {
|
|
continue;
|
|
}
|
|
|
|
Status = XhcDisableSlotCmd64 (Xhc, Xhc->UsbDevContext[Index + 1].SlotId);
|
|
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: failed to disable child, ignore error\n"));
|
|
Xhc->UsbDevContext[Index + 1].SlotId = 0;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Construct the disable slot command
|
|
//
|
|
DEBUG ((EFI_D_INFO, "Disable device slot %d!\n", SlotId));
|
|
|
|
ZeroMem (&CmdTrbDisSlot, sizeof (CmdTrbDisSlot));
|
|
CmdTrbDisSlot.CycleBit = 1;
|
|
CmdTrbDisSlot.Type = TRB_TYPE_DIS_SLOT;
|
|
CmdTrbDisSlot.SlotId = SlotId;
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbDisSlot,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcDisableSlotCmd: Disable Slot Command Failed, Status = %r\n", Status));
|
|
return Status;
|
|
}
|
|
//
|
|
// Free the slot's device context entry
|
|
//
|
|
Xhc->DCBAA[SlotId] = 0;
|
|
|
|
//
|
|
// Free the slot related data structure
|
|
//
|
|
for (Index = 0; Index < 31; Index++) {
|
|
if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] != NULL) {
|
|
RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index])->RingSeg0;
|
|
if (RingSeg != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, RingSeg, sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER);
|
|
}
|
|
FreePool(Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index]);
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[Index] = NULL;
|
|
}
|
|
}
|
|
|
|
for (Index = 0; Index < Xhc->UsbDevContext[SlotId].DevDesc.NumConfigurations; Index++) {
|
|
if (Xhc->UsbDevContext[SlotId].ConfDesc[Index] != NULL) {
|
|
FreePool(Xhc->UsbDevContext[SlotId].ConfDesc[Index]);
|
|
}
|
|
}
|
|
|
|
if (Xhc->UsbDevContext[SlotId].ActiveAlternateSetting != NULL) {
|
|
FreePool(Xhc->UsbDevContext[SlotId].ActiveAlternateSetting);
|
|
}
|
|
|
|
if (Xhc->UsbDevContext[SlotId].InputContext != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, Xhc->UsbDevContext[SlotId].InputContext, sizeof (INPUT_CONTEXT_64));
|
|
}
|
|
|
|
if (Xhc->UsbDevContext[SlotId].OutputContext != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, Xhc->UsbDevContext[SlotId].OutputContext, sizeof (DEVICE_CONTEXT_64));
|
|
}
|
|
//
|
|
// Doesn't zero the entry because XhcAsyncInterruptTransfer() may be invoked to remove the established
|
|
// asynchronous interrupt pipe after the device is disabled. It needs the device address mapping info to
|
|
// remove urb from XHCI's asynchronous transfer list.
|
|
//
|
|
Xhc->UsbDevContext[SlotId].Enabled = FALSE;
|
|
Xhc->UsbDevContext[SlotId].SlotId = 0;
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Initialize endpoint context in input context.
|
|
|
|
@param Xhc The XHCI Instance.
|
|
@param SlotId The slot id to be configured.
|
|
@param DeviceSpeed The device's speed.
|
|
@param InputContext The pointer to the input context.
|
|
@param IfDesc The pointer to the usb device interface descriptor.
|
|
|
|
@return The maximum device context index of endpoint.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
XhcInitializeEndpointContext (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN UINT8 SlotId,
|
|
IN UINT8 DeviceSpeed,
|
|
IN INPUT_CONTEXT *InputContext,
|
|
IN USB_INTERFACE_DESCRIPTOR *IfDesc
|
|
)
|
|
{
|
|
USB_ENDPOINT_DESCRIPTOR *EpDesc;
|
|
UINTN NumEp;
|
|
UINTN EpIndex;
|
|
UINT8 EpAddr;
|
|
UINT8 Direction;
|
|
UINT8 Dci;
|
|
UINT8 MaxDci;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
UINT8 Interval;
|
|
TRANSFER_RING *EndpointTransferRing;
|
|
|
|
MaxDci = 0;
|
|
|
|
NumEp = IfDesc->NumEndpoints;
|
|
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);
|
|
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {
|
|
while (EpDesc->DescriptorType != USB_DESC_TYPE_ENDPOINT) {
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
}
|
|
|
|
if (EpDesc->Length < sizeof (USB_ENDPOINT_DESCRIPTOR)) {
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
continue;
|
|
}
|
|
|
|
EpAddr = (UINT8)(EpDesc->EndpointAddress & 0x0F);
|
|
Direction = (UINT8)((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);
|
|
|
|
Dci = XhcEndpointToDci (EpAddr, Direction);
|
|
ASSERT (Dci < 32);
|
|
if (Dci > MaxDci) {
|
|
MaxDci = Dci;
|
|
}
|
|
|
|
InputContext->InputControlContext.Dword2 |= (BIT0 << Dci);
|
|
InputContext->EP[Dci-1].MaxPacketSize = EpDesc->MaxPacketSize;
|
|
|
|
if (DeviceSpeed == EFI_USB_SPEED_SUPER) {
|
|
//
|
|
// 6.2.3.4, shall be set to the value defined in the bMaxBurst field of the SuperSpeed Endpoint Companion Descriptor.
|
|
//
|
|
InputContext->EP[Dci-1].MaxBurstSize = 0x0;
|
|
} else {
|
|
InputContext->EP[Dci-1].MaxBurstSize = 0x0;
|
|
}
|
|
|
|
switch (EpDesc->Attributes & USB_ENDPOINT_TYPE_MASK) {
|
|
case USB_ENDPOINT_BULK:
|
|
if (Direction == EfiUsbDataIn) {
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
InputContext->EP[Dci-1].EPType = ED_BULK_IN;
|
|
} else {
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
InputContext->EP[Dci-1].EPType = ED_BULK_OUT;
|
|
}
|
|
|
|
InputContext->EP[Dci-1].AverageTRBLength = 0x1000;
|
|
if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {
|
|
EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;
|
|
CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);
|
|
DEBUG ((DEBUG_INFO, "Endpoint[%x]: Created BULK ring [%p~%p)\n",
|
|
EpDesc->EndpointAddress,
|
|
EndpointTransferRing->RingSeg0,
|
|
(UINTN) EndpointTransferRing->RingSeg0 + TR_RING_TRB_NUMBER * sizeof (TRB_TEMPLATE)
|
|
));
|
|
}
|
|
|
|
break;
|
|
case USB_ENDPOINT_ISO:
|
|
if (Direction == EfiUsbDataIn) {
|
|
InputContext->EP[Dci-1].CErr = 0;
|
|
InputContext->EP[Dci-1].EPType = ED_ISOCH_IN;
|
|
} else {
|
|
InputContext->EP[Dci-1].CErr = 0;
|
|
InputContext->EP[Dci-1].EPType = ED_ISOCH_OUT;
|
|
}
|
|
//
|
|
// Get the bInterval from descriptor and init the the interval field of endpoint context.
|
|
// Refer to XHCI 1.1 spec section 6.2.3.6.
|
|
//
|
|
if (DeviceSpeed == EFI_USB_SPEED_FULL) {
|
|
Interval = EpDesc->Interval;
|
|
ASSERT (Interval >= 1 && Interval <= 16);
|
|
InputContext->EP[Dci-1].Interval = Interval + 2;
|
|
} else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {
|
|
Interval = EpDesc->Interval;
|
|
ASSERT (Interval >= 1 && Interval <= 16);
|
|
InputContext->EP[Dci-1].Interval = Interval - 1;
|
|
}
|
|
|
|
//
|
|
// Do not support isochronous transfer now.
|
|
//
|
|
DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext: Unsupport ISO EP found, Transfer ring is not allocated.\n"));
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
continue;
|
|
case USB_ENDPOINT_INTERRUPT:
|
|
if (Direction == EfiUsbDataIn) {
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
InputContext->EP[Dci-1].EPType = ED_INTERRUPT_IN;
|
|
} else {
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
InputContext->EP[Dci-1].EPType = ED_INTERRUPT_OUT;
|
|
}
|
|
InputContext->EP[Dci-1].AverageTRBLength = 0x1000;
|
|
InputContext->EP[Dci-1].MaxESITPayload = EpDesc->MaxPacketSize;
|
|
//
|
|
// Get the bInterval from descriptor and init the the interval field of endpoint context
|
|
//
|
|
if ((DeviceSpeed == EFI_USB_SPEED_FULL) || (DeviceSpeed == EFI_USB_SPEED_LOW)) {
|
|
Interval = EpDesc->Interval;
|
|
//
|
|
// Calculate through the bInterval field of Endpoint descriptor.
|
|
//
|
|
ASSERT (Interval != 0);
|
|
InputContext->EP[Dci-1].Interval = (UINT32)HighBitSet32((UINT32)Interval) + 3;
|
|
} else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {
|
|
Interval = EpDesc->Interval;
|
|
ASSERT (Interval >= 1 && Interval <= 16);
|
|
//
|
|
// Refer to XHCI 1.0 spec section 6.2.3.6, table 61
|
|
//
|
|
InputContext->EP[Dci-1].Interval = Interval - 1;
|
|
InputContext->EP[Dci-1].AverageTRBLength = 0x1000;
|
|
InputContext->EP[Dci-1].MaxESITPayload = 0x0002;
|
|
InputContext->EP[Dci-1].MaxBurstSize = 0x0;
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
}
|
|
|
|
if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {
|
|
EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;
|
|
CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);
|
|
DEBUG ((DEBUG_INFO, "Endpoint[%x]: Created INT ring [%p~%p)\n",
|
|
EpDesc->EndpointAddress,
|
|
EndpointTransferRing->RingSeg0,
|
|
(UINTN) EndpointTransferRing->RingSeg0 + TR_RING_TRB_NUMBER * sizeof (TRB_TEMPLATE)
|
|
));
|
|
}
|
|
break;
|
|
|
|
case USB_ENDPOINT_CONTROL:
|
|
//
|
|
// Do not support control transfer now.
|
|
//
|
|
DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext: Unsupport Control EP found, Transfer ring is not allocated.\n"));
|
|
default:
|
|
DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext: Unknown EP found, Transfer ring is not allocated.\n"));
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
continue;
|
|
}
|
|
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (
|
|
Xhc->MemPool,
|
|
((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingSeg0,
|
|
sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER
|
|
);
|
|
PhyAddr &= ~((EFI_PHYSICAL_ADDRESS)0x0F);
|
|
PhyAddr |= (EFI_PHYSICAL_ADDRESS)((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingPCS;
|
|
InputContext->EP[Dci-1].PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
InputContext->EP[Dci-1].PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
}
|
|
|
|
return MaxDci;
|
|
}
|
|
|
|
/**
|
|
Initialize endpoint context in input context.
|
|
|
|
@param Xhc The XHCI Instance.
|
|
@param SlotId The slot id to be configured.
|
|
@param DeviceSpeed The device's speed.
|
|
@param InputContext The pointer to the input context.
|
|
@param IfDesc The pointer to the usb device interface descriptor.
|
|
|
|
@return The maximum device context index of endpoint.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
XhcInitializeEndpointContext64 (
|
|
IN USB_XHCI_INSTANCE *Xhc,
|
|
IN UINT8 SlotId,
|
|
IN UINT8 DeviceSpeed,
|
|
IN INPUT_CONTEXT_64 *InputContext,
|
|
IN USB_INTERFACE_DESCRIPTOR *IfDesc
|
|
)
|
|
{
|
|
USB_ENDPOINT_DESCRIPTOR *EpDesc;
|
|
UINTN NumEp;
|
|
UINTN EpIndex;
|
|
UINT8 EpAddr;
|
|
UINT8 Direction;
|
|
UINT8 Dci;
|
|
UINT8 MaxDci;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
UINT8 Interval;
|
|
TRANSFER_RING *EndpointTransferRing;
|
|
|
|
MaxDci = 0;
|
|
|
|
NumEp = IfDesc->NumEndpoints;
|
|
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);
|
|
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {
|
|
while (EpDesc->DescriptorType != USB_DESC_TYPE_ENDPOINT) {
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
}
|
|
|
|
if (EpDesc->Length < sizeof (USB_ENDPOINT_DESCRIPTOR)) {
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
continue;
|
|
}
|
|
|
|
EpAddr = (UINT8)(EpDesc->EndpointAddress & 0x0F);
|
|
Direction = (UINT8)((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);
|
|
|
|
Dci = XhcEndpointToDci (EpAddr, Direction);
|
|
ASSERT (Dci < 32);
|
|
if (Dci > MaxDci) {
|
|
MaxDci = Dci;
|
|
}
|
|
|
|
InputContext->InputControlContext.Dword2 |= (BIT0 << Dci);
|
|
InputContext->EP[Dci-1].MaxPacketSize = EpDesc->MaxPacketSize;
|
|
|
|
if (DeviceSpeed == EFI_USB_SPEED_SUPER) {
|
|
//
|
|
// 6.2.3.4, shall be set to the value defined in the bMaxBurst field of the SuperSpeed Endpoint Companion Descriptor.
|
|
//
|
|
InputContext->EP[Dci-1].MaxBurstSize = 0x0;
|
|
} else {
|
|
InputContext->EP[Dci-1].MaxBurstSize = 0x0;
|
|
}
|
|
|
|
switch (EpDesc->Attributes & USB_ENDPOINT_TYPE_MASK) {
|
|
case USB_ENDPOINT_BULK:
|
|
if (Direction == EfiUsbDataIn) {
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
InputContext->EP[Dci-1].EPType = ED_BULK_IN;
|
|
} else {
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
InputContext->EP[Dci-1].EPType = ED_BULK_OUT;
|
|
}
|
|
|
|
InputContext->EP[Dci-1].AverageTRBLength = 0x1000;
|
|
if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {
|
|
EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;
|
|
CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);
|
|
DEBUG ((DEBUG_INFO, "Endpoint64[%x]: Created BULK ring [%p~%p)\n",
|
|
EpDesc->EndpointAddress,
|
|
EndpointTransferRing->RingSeg0,
|
|
(UINTN) EndpointTransferRing->RingSeg0 + TR_RING_TRB_NUMBER * sizeof (TRB_TEMPLATE)
|
|
));
|
|
}
|
|
|
|
break;
|
|
case USB_ENDPOINT_ISO:
|
|
if (Direction == EfiUsbDataIn) {
|
|
InputContext->EP[Dci-1].CErr = 0;
|
|
InputContext->EP[Dci-1].EPType = ED_ISOCH_IN;
|
|
} else {
|
|
InputContext->EP[Dci-1].CErr = 0;
|
|
InputContext->EP[Dci-1].EPType = ED_ISOCH_OUT;
|
|
}
|
|
//
|
|
// Get the bInterval from descriptor and init the the interval field of endpoint context.
|
|
// Refer to XHCI 1.1 spec section 6.2.3.6.
|
|
//
|
|
if (DeviceSpeed == EFI_USB_SPEED_FULL) {
|
|
Interval = EpDesc->Interval;
|
|
ASSERT (Interval >= 1 && Interval <= 16);
|
|
InputContext->EP[Dci-1].Interval = Interval + 2;
|
|
} else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {
|
|
Interval = EpDesc->Interval;
|
|
ASSERT (Interval >= 1 && Interval <= 16);
|
|
InputContext->EP[Dci-1].Interval = Interval - 1;
|
|
}
|
|
|
|
//
|
|
// Do not support isochronous transfer now.
|
|
//
|
|
DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext64: Unsupport ISO EP found, Transfer ring is not allocated.\n"));
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
continue;
|
|
case USB_ENDPOINT_INTERRUPT:
|
|
if (Direction == EfiUsbDataIn) {
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
InputContext->EP[Dci-1].EPType = ED_INTERRUPT_IN;
|
|
} else {
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
InputContext->EP[Dci-1].EPType = ED_INTERRUPT_OUT;
|
|
}
|
|
InputContext->EP[Dci-1].AverageTRBLength = 0x1000;
|
|
InputContext->EP[Dci-1].MaxESITPayload = EpDesc->MaxPacketSize;
|
|
//
|
|
// Get the bInterval from descriptor and init the the interval field of endpoint context
|
|
//
|
|
if ((DeviceSpeed == EFI_USB_SPEED_FULL) || (DeviceSpeed == EFI_USB_SPEED_LOW)) {
|
|
Interval = EpDesc->Interval;
|
|
//
|
|
// Calculate through the bInterval field of Endpoint descriptor.
|
|
//
|
|
ASSERT (Interval != 0);
|
|
InputContext->EP[Dci-1].Interval = (UINT32)HighBitSet32((UINT32)Interval) + 3;
|
|
} else if ((DeviceSpeed == EFI_USB_SPEED_HIGH) || (DeviceSpeed == EFI_USB_SPEED_SUPER)) {
|
|
Interval = EpDesc->Interval;
|
|
ASSERT (Interval >= 1 && Interval <= 16);
|
|
//
|
|
// Refer to XHCI 1.0 spec section 6.2.3.6, table 61
|
|
//
|
|
InputContext->EP[Dci-1].Interval = Interval - 1;
|
|
InputContext->EP[Dci-1].AverageTRBLength = 0x1000;
|
|
InputContext->EP[Dci-1].MaxESITPayload = 0x0002;
|
|
InputContext->EP[Dci-1].MaxBurstSize = 0x0;
|
|
InputContext->EP[Dci-1].CErr = 3;
|
|
}
|
|
|
|
if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] == NULL) {
|
|
EndpointTransferRing = AllocateZeroPool(sizeof (TRANSFER_RING));
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1] = (VOID *) EndpointTransferRing;
|
|
CreateTransferRing(Xhc, TR_RING_TRB_NUMBER, (TRANSFER_RING *)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1]);
|
|
DEBUG ((DEBUG_INFO, "Endpoint64[%x]: Created INT ring [%p~%p)\n",
|
|
EpDesc->EndpointAddress,
|
|
EndpointTransferRing->RingSeg0,
|
|
(UINTN) EndpointTransferRing->RingSeg0 + TR_RING_TRB_NUMBER * sizeof (TRB_TEMPLATE)
|
|
));
|
|
}
|
|
break;
|
|
|
|
case USB_ENDPOINT_CONTROL:
|
|
//
|
|
// Do not support control transfer now.
|
|
//
|
|
DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext64: Unsupport Control EP found, Transfer ring is not allocated.\n"));
|
|
default:
|
|
DEBUG ((EFI_D_INFO, "XhcInitializeEndpointContext64: Unknown EP found, Transfer ring is not allocated.\n"));
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
continue;
|
|
}
|
|
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (
|
|
Xhc->MemPool,
|
|
((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingSeg0,
|
|
sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER
|
|
);
|
|
PhyAddr &= ~((EFI_PHYSICAL_ADDRESS)0x0F);
|
|
PhyAddr |= (EFI_PHYSICAL_ADDRESS)((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci-1])->RingPCS;
|
|
InputContext->EP[Dci-1].PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
InputContext->EP[Dci-1].PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
}
|
|
|
|
return MaxDci;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
USB_INTERFACE_DESCRIPTOR *IfDesc;
|
|
UINT8 Index;
|
|
UINT8 Dci;
|
|
UINT8 MaxDci;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;
|
|
INPUT_CONTEXT *InputContext;
|
|
DEVICE_CONTEXT *OutputContext;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
//
|
|
// 4.6.6 Configure Endpoint
|
|
//
|
|
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
|
|
OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT));
|
|
CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT));
|
|
|
|
ASSERT (ConfigDesc != NULL);
|
|
|
|
MaxDci = 0;
|
|
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)(ConfigDesc + 1);
|
|
for (Index = 0; Index < ConfigDesc->NumInterfaces; Index++) {
|
|
while ((IfDesc->DescriptorType != USB_DESC_TYPE_INTERFACE) || (IfDesc->AlternateSetting != 0)) {
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);
|
|
}
|
|
|
|
if (IfDesc->Length < sizeof (USB_INTERFACE_DESCRIPTOR)) {
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);
|
|
continue;
|
|
}
|
|
|
|
Dci = XhcInitializeEndpointContext (Xhc, SlotId, DeviceSpeed, InputContext, IfDesc);
|
|
if (Dci > MaxDci) {
|
|
MaxDci = Dci;
|
|
}
|
|
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);
|
|
}
|
|
|
|
InputContext->InputControlContext.Dword2 |= BIT0;
|
|
InputContext->Slot.ContextEntries = MaxDci;
|
|
//
|
|
// configure endpoint
|
|
//
|
|
ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT));
|
|
CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.CycleBit = 1;
|
|
CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;
|
|
CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
DEBUG ((EFI_D_INFO, "Configure Endpoint\n"));
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcSetConfigCmd: Config Endpoint Failed, Status = %r\n", Status));
|
|
} else {
|
|
Xhc->UsbDevContext[SlotId].ActiveConfiguration = ConfigDesc->ConfigurationValue;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
USB_INTERFACE_DESCRIPTOR *IfDesc;
|
|
UINT8 Index;
|
|
UINT8 Dci;
|
|
UINT8 MaxDci;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;
|
|
INPUT_CONTEXT_64 *InputContext;
|
|
DEVICE_CONTEXT_64 *OutputContext;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
//
|
|
// 4.6.6 Configure Endpoint
|
|
//
|
|
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
|
|
OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));
|
|
CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT_64));
|
|
|
|
ASSERT (ConfigDesc != NULL);
|
|
|
|
MaxDci = 0;
|
|
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)(ConfigDesc + 1);
|
|
for (Index = 0; Index < ConfigDesc->NumInterfaces; Index++) {
|
|
while ((IfDesc->DescriptorType != USB_DESC_TYPE_INTERFACE) || (IfDesc->AlternateSetting != 0)) {
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);
|
|
}
|
|
|
|
if (IfDesc->Length < sizeof (USB_INTERFACE_DESCRIPTOR)) {
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);
|
|
continue;
|
|
}
|
|
|
|
Dci = XhcInitializeEndpointContext64 (Xhc, SlotId, DeviceSpeed, InputContext, IfDesc);
|
|
if (Dci > MaxDci) {
|
|
MaxDci = Dci;
|
|
}
|
|
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);
|
|
}
|
|
|
|
InputContext->InputControlContext.Dword2 |= BIT0;
|
|
InputContext->Slot.ContextEntries = MaxDci;
|
|
//
|
|
// configure endpoint
|
|
//
|
|
ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64));
|
|
CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.CycleBit = 1;
|
|
CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;
|
|
CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
DEBUG ((EFI_D_INFO, "Configure Endpoint\n"));
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcSetConfigCmd64: Config Endpoint Failed, Status = %r\n", Status));
|
|
} else {
|
|
Xhc->UsbDevContext[SlotId].ActiveConfiguration = ConfigDesc->ConfigurationValue;
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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.
|
|
@param PendingUrb The pending URB to check completion status when stopping the end point.
|
|
|
|
@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,
|
|
IN URB *PendingUrb OPTIONAL
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
CMD_TRB_STOP_ENDPOINT CmdTrbStopED;
|
|
|
|
DEBUG ((EFI_D_INFO, "XhcStopEndpoint: Slot = 0x%x, Dci = 0x%x\n", SlotId, Dci));
|
|
|
|
//
|
|
// When XhcCheckUrbResult waits for the Stop_Endpoint completion, it also checks
|
|
// the PendingUrb completion status, because it's possible that the PendingUrb is
|
|
// finished just before stopping the end point, but after the looping check.
|
|
//
|
|
// The PendingUrb could be passed to XhcCmdTransfer to XhcExecTransfer to XhcCheckUrbResult
|
|
// through function parameter, but That will cause every consumer of XhcCmdTransfer,
|
|
// XhcExecTransfer and XhcCheckUrbResult pass a NULL PendingUrb.
|
|
// But actually only XhcCheckUrbResult is aware of the PendingUrb.
|
|
// So we choose to save the PendingUrb into the USB_XHCI_INSTANCE and use it in XhcCheckUrbResult.
|
|
//
|
|
ASSERT (Xhc->PendingUrb == NULL);
|
|
Xhc->PendingUrb = PendingUrb;
|
|
//
|
|
// Reset the URB result from Timeout to NoError.
|
|
// The USB result will be:
|
|
// changed to Timeout when Stop/StopInvalidLength Transfer Event is received, or
|
|
// remain NoError when Success/ShortPacket Transfer Event is received.
|
|
//
|
|
if (PendingUrb != NULL) {
|
|
PendingUrb->Result = EFI_USB_NOERROR;
|
|
}
|
|
|
|
//
|
|
// Send stop endpoint command to transit Endpoint from running to stop state
|
|
//
|
|
ZeroMem (&CmdTrbStopED, sizeof (CmdTrbStopED));
|
|
CmdTrbStopED.CycleBit = 1;
|
|
CmdTrbStopED.Type = TRB_TYPE_STOP_ENDPOINT;
|
|
CmdTrbStopED.EDID = Dci;
|
|
CmdTrbStopED.SlotId = SlotId;
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbStopED,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcStopEndpoint: Stop Endpoint Failed, Status = %r\n", Status));
|
|
}
|
|
|
|
Xhc->PendingUrb = NULL;
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
CMD_TRB_RESET_ENDPOINT CmdTrbResetED;
|
|
|
|
DEBUG ((EFI_D_INFO, "XhcResetEndpoint: Slot = 0x%x, Dci = 0x%x\n", SlotId, Dci));
|
|
|
|
//
|
|
// Send stop endpoint command to transit Endpoint from running to stop state
|
|
//
|
|
ZeroMem (&CmdTrbResetED, sizeof (CmdTrbResetED));
|
|
CmdTrbResetED.CycleBit = 1;
|
|
CmdTrbResetED.Type = TRB_TYPE_RESET_ENDPOINT;
|
|
CmdTrbResetED.EDID = Dci;
|
|
CmdTrbResetED.SlotId = SlotId;
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbResetED,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcResetEndpoint: Reset Endpoint Failed, Status = %r\n", Status));
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
CMD_SET_TR_DEQ_POINTER CmdSetTRDeq;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
DEBUG ((EFI_D_INFO, "XhcSetTrDequeuePointer: Slot = 0x%x, Dci = 0x%x, Urb = 0x%x\n", SlotId, Dci, Urb));
|
|
|
|
//
|
|
// Send stop endpoint command to transit Endpoint from running to stop state
|
|
//
|
|
ZeroMem (&CmdSetTRDeq, sizeof (CmdSetTRDeq));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, Urb->Ring->RingEnqueue, sizeof (CMD_SET_TR_DEQ_POINTER));
|
|
CmdSetTRDeq.PtrLo = XHC_LOW_32BIT (PhyAddr) | Urb->Ring->RingPCS;
|
|
CmdSetTRDeq.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdSetTRDeq.CycleBit = 1;
|
|
CmdSetTRDeq.Type = TRB_TYPE_SET_TR_DEQUE;
|
|
CmdSetTRDeq.Endpoint = Dci;
|
|
CmdSetTRDeq.SlotId = SlotId;
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdSetTRDeq,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcSetTrDequeuePointer: Set TR Dequeue Pointer Failed, Status = %r\n", Status));
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
USB_INTERFACE_DESCRIPTOR *IfDescActive;
|
|
USB_INTERFACE_DESCRIPTOR *IfDescSet;
|
|
USB_INTERFACE_DESCRIPTOR *IfDesc;
|
|
USB_ENDPOINT_DESCRIPTOR *EpDesc;
|
|
UINTN NumEp;
|
|
UINTN EpIndex;
|
|
UINT8 EpAddr;
|
|
UINT8 Direction;
|
|
UINT8 Dci;
|
|
UINT8 MaxDci;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
VOID *RingSeg;
|
|
|
|
CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;
|
|
INPUT_CONTEXT *InputContext;
|
|
DEVICE_CONTEXT *OutputContext;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
|
|
Status = EFI_SUCCESS;
|
|
|
|
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
|
|
OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;
|
|
//
|
|
// XHCI 4.6.6 Configure Endpoint
|
|
// When this command is used to "Set an Alternate Interface on a device", software shall set the Drop
|
|
// Context and Add Context flags as follows:
|
|
// 1) If an endpoint is not modified by the Alternate Interface setting, then software shall set the Drop
|
|
// Context and Add Context flags to '0'.
|
|
//
|
|
// Except the interface indicated by Reqeust->Index, no impact to other interfaces.
|
|
// So the default Drop Context and Add Context flags can be '0' to cover 1).
|
|
//
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT));
|
|
CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT));
|
|
|
|
ASSERT (ConfigDesc != NULL);
|
|
|
|
MaxDci = 0;
|
|
|
|
IfDescActive = NULL;
|
|
IfDescSet = NULL;
|
|
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)(ConfigDesc + 1);
|
|
while ((UINTN) IfDesc < ((UINTN) ConfigDesc + ConfigDesc->TotalLength)) {
|
|
if ((IfDesc->DescriptorType == USB_DESC_TYPE_INTERFACE) && (IfDesc->Length >= sizeof (USB_INTERFACE_DESCRIPTOR))) {
|
|
if (IfDesc->InterfaceNumber == (UINT8) Request->Index) {
|
|
if (IfDesc->AlternateSetting == Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[IfDesc->InterfaceNumber]) {
|
|
//
|
|
// Find out the active interface descriptor.
|
|
//
|
|
IfDescActive = IfDesc;
|
|
} else if (IfDesc->AlternateSetting == (UINT8) Request->Value) {
|
|
//
|
|
// Find out the interface descriptor to set.
|
|
//
|
|
IfDescSet = IfDesc;
|
|
}
|
|
}
|
|
}
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);
|
|
}
|
|
|
|
//
|
|
// XHCI 4.6.6 Configure Endpoint
|
|
// When this command is used to "Set an Alternate Interface on a device", software shall set the Drop
|
|
// Context and Add Context flags as follows:
|
|
// 2) If an endpoint previously disabled, is enabled by the Alternate Interface setting, then software shall set
|
|
// the Drop Context flag to '0' and Add Context flag to '1', and initialize the Input Endpoint Context.
|
|
// 3) If an endpoint previously enabled, is disabled by the Alternate Interface setting, then software shall set
|
|
// the Drop Context flag to '1' and Add Context flag to '0'.
|
|
// 4) If a parameter of an enabled endpoint is modified by an Alternate Interface setting, the Drop Context
|
|
// and Add Context flags shall be set to '1'.
|
|
//
|
|
// Below codes are to cover 2), 3) and 4).
|
|
//
|
|
|
|
if ((IfDescActive != NULL) && (IfDescSet != NULL)) {
|
|
NumEp = IfDescActive->NumEndpoints;
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *) (IfDescActive + 1);
|
|
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {
|
|
while (EpDesc->DescriptorType != USB_DESC_TYPE_ENDPOINT) {
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
}
|
|
|
|
if (EpDesc->Length < sizeof (USB_ENDPOINT_DESCRIPTOR)) {
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
continue;
|
|
}
|
|
|
|
EpAddr = (UINT8) (EpDesc->EndpointAddress & 0x0F);
|
|
Direction = (UINT8) ((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);
|
|
|
|
Dci = XhcEndpointToDci (EpAddr, Direction);
|
|
ASSERT (Dci < 32);
|
|
if (Dci > MaxDci) {
|
|
MaxDci = Dci;
|
|
}
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 1) Stop any Running Transfer Rings affected by the Alternate Interface setting.
|
|
//
|
|
Status = XhcStopEndpoint (Xhc, SlotId, Dci, NULL);
|
|
if (EFI_ERROR(Status)) {
|
|
return Status;
|
|
}
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 2) Free Transfer Rings of all endpoints that will be affected by the Alternate Interface setting.
|
|
//
|
|
if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1] != NULL) {
|
|
RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1])->RingSeg0;
|
|
if (RingSeg != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, RingSeg, sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER);
|
|
}
|
|
FreePool(Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1]);
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1] = NULL;
|
|
}
|
|
|
|
//
|
|
// Set the Drop Context flag to '1'.
|
|
//
|
|
InputContext->InputControlContext.Dword1 |= (BIT0 << Dci);
|
|
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
}
|
|
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 3) Clear all the Endpoint Context fields of each endpoint that will be disabled by the Alternate
|
|
// Interface setting, to '0'.
|
|
//
|
|
// The step 3) has been covered by the ZeroMem () to InputContext at the start of the function.
|
|
//
|
|
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 4) For each endpoint enabled by the Configure Endpoint Command:
|
|
// a. Allocate a Transfer Ring.
|
|
// b. Initialize the Transfer Ring Segment(s) by clearing all fields of all TRBs to '0'.
|
|
// c. Initialize the Endpoint Context data structure.
|
|
//
|
|
Dci = XhcInitializeEndpointContext (Xhc, SlotId, DeviceSpeed, InputContext, IfDescSet);
|
|
if (Dci > MaxDci) {
|
|
MaxDci = Dci;
|
|
}
|
|
|
|
InputContext->InputControlContext.Dword2 |= BIT0;
|
|
InputContext->Slot.ContextEntries = MaxDci;
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 5) Issue and successfully complete a Configure Endpoint Command.
|
|
//
|
|
ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT));
|
|
CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.CycleBit = 1;
|
|
CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;
|
|
CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
DEBUG ((EFI_D_INFO, "SetInterface: Configure Endpoint\n"));
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "SetInterface: Config Endpoint Failed, Status = %r\n", Status));
|
|
} else {
|
|
//
|
|
// Update the active AlternateSetting.
|
|
//
|
|
Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[(UINT8) Request->Index] = (UINT8) Request->Value;
|
|
}
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
USB_INTERFACE_DESCRIPTOR *IfDescActive;
|
|
USB_INTERFACE_DESCRIPTOR *IfDescSet;
|
|
USB_INTERFACE_DESCRIPTOR *IfDesc;
|
|
USB_ENDPOINT_DESCRIPTOR *EpDesc;
|
|
UINTN NumEp;
|
|
UINTN EpIndex;
|
|
UINT8 EpAddr;
|
|
UINT8 Direction;
|
|
UINT8 Dci;
|
|
UINT8 MaxDci;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
VOID *RingSeg;
|
|
|
|
CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;
|
|
INPUT_CONTEXT_64 *InputContext;
|
|
DEVICE_CONTEXT_64 *OutputContext;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
|
|
Status = EFI_SUCCESS;
|
|
|
|
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
|
|
OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;
|
|
//
|
|
// XHCI 4.6.6 Configure Endpoint
|
|
// When this command is used to "Set an Alternate Interface on a device", software shall set the Drop
|
|
// Context and Add Context flags as follows:
|
|
// 1) If an endpoint is not modified by the Alternate Interface setting, then software shall set the Drop
|
|
// Context and Add Context flags to '0'.
|
|
//
|
|
// Except the interface indicated by Reqeust->Index, no impact to other interfaces.
|
|
// So the default Drop Context and Add Context flags can be '0' to cover 1).
|
|
//
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));
|
|
CopyMem (&InputContext->Slot, &OutputContext->Slot, sizeof (SLOT_CONTEXT_64));
|
|
|
|
ASSERT (ConfigDesc != NULL);
|
|
|
|
MaxDci = 0;
|
|
|
|
IfDescActive = NULL;
|
|
IfDescSet = NULL;
|
|
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)(ConfigDesc + 1);
|
|
while ((UINTN) IfDesc < ((UINTN) ConfigDesc + ConfigDesc->TotalLength)) {
|
|
if ((IfDesc->DescriptorType == USB_DESC_TYPE_INTERFACE) && (IfDesc->Length >= sizeof (USB_INTERFACE_DESCRIPTOR))) {
|
|
if (IfDesc->InterfaceNumber == (UINT8) Request->Index) {
|
|
if (IfDesc->AlternateSetting == Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[IfDesc->InterfaceNumber]) {
|
|
//
|
|
// Find out the active interface descriptor.
|
|
//
|
|
IfDescActive = IfDesc;
|
|
} else if (IfDesc->AlternateSetting == (UINT8) Request->Value) {
|
|
//
|
|
// Find out the interface descriptor to set.
|
|
//
|
|
IfDescSet = IfDesc;
|
|
}
|
|
}
|
|
}
|
|
IfDesc = (USB_INTERFACE_DESCRIPTOR *)((UINTN)IfDesc + IfDesc->Length);
|
|
}
|
|
|
|
//
|
|
// XHCI 4.6.6 Configure Endpoint
|
|
// When this command is used to "Set an Alternate Interface on a device", software shall set the Drop
|
|
// Context and Add Context flags as follows:
|
|
// 2) If an endpoint previously disabled, is enabled by the Alternate Interface setting, then software shall set
|
|
// the Drop Context flag to '0' and Add Context flag to '1', and initialize the Input Endpoint Context.
|
|
// 3) If an endpoint previously enabled, is disabled by the Alternate Interface setting, then software shall set
|
|
// the Drop Context flag to '1' and Add Context flag to '0'.
|
|
// 4) If a parameter of an enabled endpoint is modified by an Alternate Interface setting, the Drop Context
|
|
// and Add Context flags shall be set to '1'.
|
|
//
|
|
// Below codes are to cover 2), 3) and 4).
|
|
//
|
|
|
|
if ((IfDescActive != NULL) && (IfDescSet != NULL)) {
|
|
NumEp = IfDescActive->NumEndpoints;
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *) (IfDescActive + 1);
|
|
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {
|
|
while (EpDesc->DescriptorType != USB_DESC_TYPE_ENDPOINT) {
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
}
|
|
|
|
if (EpDesc->Length < sizeof (USB_ENDPOINT_DESCRIPTOR)) {
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
continue;
|
|
}
|
|
|
|
EpAddr = (UINT8) (EpDesc->EndpointAddress & 0x0F);
|
|
Direction = (UINT8) ((EpDesc->EndpointAddress & 0x80) ? EfiUsbDataIn : EfiUsbDataOut);
|
|
|
|
Dci = XhcEndpointToDci (EpAddr, Direction);
|
|
ASSERT (Dci < 32);
|
|
if (Dci > MaxDci) {
|
|
MaxDci = Dci;
|
|
}
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 1) Stop any Running Transfer Rings affected by the Alternate Interface setting.
|
|
//
|
|
Status = XhcStopEndpoint (Xhc, SlotId, Dci, NULL);
|
|
if (EFI_ERROR(Status)) {
|
|
return Status;
|
|
}
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 2) Free Transfer Rings of all endpoints that will be affected by the Alternate Interface setting.
|
|
//
|
|
if (Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1] != NULL) {
|
|
RingSeg = ((TRANSFER_RING *)(UINTN)Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1])->RingSeg0;
|
|
if (RingSeg != NULL) {
|
|
UsbHcFreeMem (Xhc->MemPool, RingSeg, sizeof (TRB_TEMPLATE) * TR_RING_TRB_NUMBER);
|
|
}
|
|
FreePool(Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1]);
|
|
Xhc->UsbDevContext[SlotId].EndpointTransferRing[Dci - 1] = NULL;
|
|
}
|
|
|
|
//
|
|
// Set the Drop Context flag to '1'.
|
|
//
|
|
InputContext->InputControlContext.Dword1 |= (BIT0 << Dci);
|
|
|
|
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)((UINTN)EpDesc + EpDesc->Length);
|
|
}
|
|
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 3) Clear all the Endpoint Context fields of each endpoint that will be disabled by the Alternate
|
|
// Interface setting, to '0'.
|
|
//
|
|
// The step 3) has been covered by the ZeroMem () to InputContext at the start of the function.
|
|
//
|
|
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 4) For each endpoint enabled by the Configure Endpoint Command:
|
|
// a. Allocate a Transfer Ring.
|
|
// b. Initialize the Transfer Ring Segment(s) by clearing all fields of all TRBs to '0'.
|
|
// c. Initialize the Endpoint Context data structure.
|
|
//
|
|
Dci = XhcInitializeEndpointContext64 (Xhc, SlotId, DeviceSpeed, InputContext, IfDescSet);
|
|
if (Dci > MaxDci) {
|
|
MaxDci = Dci;
|
|
}
|
|
|
|
InputContext->InputControlContext.Dword2 |= BIT0;
|
|
InputContext->Slot.ContextEntries = MaxDci;
|
|
//
|
|
// XHCI 4.3.6 - Setting Alternate Interfaces
|
|
// 5) Issue and successfully complete a Configure Endpoint Command.
|
|
//
|
|
ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64));
|
|
CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.CycleBit = 1;
|
|
CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;
|
|
CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
DEBUG ((EFI_D_INFO, "SetInterface64: Configure Endpoint\n"));
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "SetInterface64: Config Endpoint Failed, Status = %r\n", Status));
|
|
} else {
|
|
//
|
|
// Update the active AlternateSetting.
|
|
//
|
|
Xhc->UsbDevContext[SlotId].ActiveAlternateSetting[(UINT8) Request->Index] = (UINT8) Request->Value;
|
|
}
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
CMD_TRB_EVALUATE_CONTEXT CmdTrbEvalu;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
INPUT_CONTEXT *InputContext;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0);
|
|
|
|
//
|
|
// 4.6.7 Evaluate Context
|
|
//
|
|
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT));
|
|
|
|
InputContext->InputControlContext.Dword2 |= BIT1;
|
|
InputContext->EP[0].MaxPacketSize = MaxPacketSize;
|
|
|
|
ZeroMem (&CmdTrbEvalu, sizeof (CmdTrbEvalu));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT));
|
|
CmdTrbEvalu.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbEvalu.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbEvalu.CycleBit = 1;
|
|
CmdTrbEvalu.Type = TRB_TYPE_EVALU_CONTXT;
|
|
CmdTrbEvalu.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
DEBUG ((EFI_D_INFO, "Evaluate context\n"));
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbEvalu,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcEvaluateContext: Evaluate Context Failed, Status = %r\n", Status));
|
|
}
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
CMD_TRB_EVALUATE_CONTEXT CmdTrbEvalu;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
INPUT_CONTEXT_64 *InputContext;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0);
|
|
|
|
//
|
|
// 4.6.7 Evaluate Context
|
|
//
|
|
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));
|
|
|
|
InputContext->InputControlContext.Dword2 |= BIT1;
|
|
InputContext->EP[0].MaxPacketSize = MaxPacketSize;
|
|
|
|
ZeroMem (&CmdTrbEvalu, sizeof (CmdTrbEvalu));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64));
|
|
CmdTrbEvalu.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbEvalu.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbEvalu.CycleBit = 1;
|
|
CmdTrbEvalu.Type = TRB_TYPE_EVALU_CONTXT;
|
|
CmdTrbEvalu.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
DEBUG ((EFI_D_INFO, "Evaluate context\n"));
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbEvalu,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcEvaluateContext64: Evaluate Context Failed, Status = %r\n", Status));
|
|
}
|
|
return Status;
|
|
}
|
|
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
INPUT_CONTEXT *InputContext;
|
|
DEVICE_CONTEXT *OutputContext;
|
|
CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0);
|
|
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
|
|
OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;
|
|
|
|
//
|
|
// 4.6.7 Evaluate Context
|
|
//
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT));
|
|
|
|
InputContext->InputControlContext.Dword2 |= BIT0;
|
|
|
|
//
|
|
// Copy the slot context from OutputContext to Input context
|
|
//
|
|
CopyMem(&(InputContext->Slot), &(OutputContext->Slot), sizeof (SLOT_CONTEXT));
|
|
InputContext->Slot.Hub = 1;
|
|
InputContext->Slot.PortNum = PortNum;
|
|
InputContext->Slot.TTT = TTT;
|
|
InputContext->Slot.MTT = MTT;
|
|
|
|
ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT));
|
|
CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.CycleBit = 1;
|
|
CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;
|
|
CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
DEBUG ((EFI_D_INFO, "Configure Hub Slot Context\n"));
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcConfigHubContext: Config Endpoint Failed, Status = %r\n", Status));
|
|
}
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
EVT_TRB_COMMAND_COMPLETION *EvtTrb;
|
|
INPUT_CONTEXT_64 *InputContext;
|
|
DEVICE_CONTEXT_64 *OutputContext;
|
|
CMD_TRB_CONFIG_ENDPOINT CmdTrbCfgEP;
|
|
EFI_PHYSICAL_ADDRESS PhyAddr;
|
|
|
|
ASSERT (Xhc->UsbDevContext[SlotId].SlotId != 0);
|
|
InputContext = Xhc->UsbDevContext[SlotId].InputContext;
|
|
OutputContext = Xhc->UsbDevContext[SlotId].OutputContext;
|
|
|
|
//
|
|
// 4.6.7 Evaluate Context
|
|
//
|
|
ZeroMem (InputContext, sizeof (INPUT_CONTEXT_64));
|
|
|
|
InputContext->InputControlContext.Dword2 |= BIT0;
|
|
|
|
//
|
|
// Copy the slot context from OutputContext to Input context
|
|
//
|
|
CopyMem(&(InputContext->Slot), &(OutputContext->Slot), sizeof (SLOT_CONTEXT_64));
|
|
InputContext->Slot.Hub = 1;
|
|
InputContext->Slot.PortNum = PortNum;
|
|
InputContext->Slot.TTT = TTT;
|
|
InputContext->Slot.MTT = MTT;
|
|
|
|
ZeroMem (&CmdTrbCfgEP, sizeof (CmdTrbCfgEP));
|
|
PhyAddr = UsbHcGetPciAddrForHostAddr (Xhc->MemPool, InputContext, sizeof (INPUT_CONTEXT_64));
|
|
CmdTrbCfgEP.PtrLo = XHC_LOW_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.PtrHi = XHC_HIGH_32BIT (PhyAddr);
|
|
CmdTrbCfgEP.CycleBit = 1;
|
|
CmdTrbCfgEP.Type = TRB_TYPE_CON_ENDPOINT;
|
|
CmdTrbCfgEP.SlotId = Xhc->UsbDevContext[SlotId].SlotId;
|
|
DEBUG ((EFI_D_INFO, "Configure Hub Slot Context\n"));
|
|
Status = XhcCmdTransfer (
|
|
Xhc,
|
|
(TRB_TEMPLATE *) (UINTN) &CmdTrbCfgEP,
|
|
XHC_GENERIC_TIMEOUT,
|
|
(TRB_TEMPLATE **) (UINTN) &EvtTrb
|
|
);
|
|
if (EFI_ERROR(Status)) {
|
|
DEBUG ((EFI_D_ERROR, "XhcConfigHubContext64: Config Endpoint Failed, Status = %r\n", Status));
|
|
}
|
|
return Status;
|
|
}
|
|
|
|
|