1 files changed, 180 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Pci/EhciPei/EhciSched.h b/MdeModulePkg/Bus/Pci/EhciPei/EhciSched.h
new file mode 100644
index 0000000000..0eb90f86d1
--- /dev/null
+++ b/MdeModulePkg/Bus/Pci/EhciPei/EhciSched.h
@@ -0,0 +1,180 @@
+/** @file
+Private Header file for Usb Host Controller PEIM
+
+Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+  
+This program and the accompanying materials
+are licensed and made available under the terms and conditions
+of the BSD License which accompanies this distribution.  The
+full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _EFI_EHCI_SCHED_H_
+#define _EFI_EHCI_SCHED_H_
+
+/**
+  Initialize the schedule data structure such as frame list.
+  
+  @param  Ehc   The EHCI device to init schedule data for.
+
+  @retval EFI_OUT_OF_RESOURCES  Failed to allocate resource to init schedule data.
+  @retval EFI_SUCCESS           The schedule data is initialized.
+
+**/
+EFI_STATUS
+EhcInitSched (
+  IN PEI_USB2_HC_DEV          *Ehc
+  )
+;
+
+/**
+  Free the schedule data. It may be partially initialized.
+  
+  @param  Ehc   The EHCI device.
+
+**/
+VOID
+EhcFreeSched (
+  IN PEI_USB2_HC_DEV          *Ehc
+  )
+;
+
+/**
+  Link the queue head to the asynchronous schedule list.
+  UEFI only supports one CTRL/BULK transfer at a time
+  due to its interfaces. This simplifies the AsynList
+  management: A reclamation header is always linked to
+  the AsyncListAddr, the only active QH is appended to it.
+  
+  @param  Ehc   The EHCI device.
+  @param  Qh    The queue head to link.
+
+**/
+VOID
+EhcLinkQhToAsync (
+  IN PEI_USB2_HC_DEV      *Ehc,
+  IN PEI_EHC_QH           *Qh
+  )
+;
+
+/**
+  Unlink a queue head from the asynchronous schedule list.
+  Need to synchronize with hardware.
+  
+  @param  Ehc   The EHCI device.
+  @param  Qh    The queue head to unlink.
+
+**/
+VOID
+EhcUnlinkQhFromAsync (
+  IN PEI_USB2_HC_DEV      *Ehc,
+  IN PEI_EHC_QH           *Qh
+  )
+;
+
+/**
+  Link a queue head for interrupt transfer to the periodic
+  schedule frame list. This code is very much the same as
+  that in UHCI.
+  
+  @param  Ehc   The EHCI device.
+  @param  Qh    The queue head to link.
+
+**/
+VOID
+EhcLinkQhToPeriod (
+  IN PEI_USB2_HC_DEV      *Ehc,
+  IN PEI_EHC_QH           *Qh
+  )
+;
+
+/**
+  Unlink an interrupt queue head from the periodic 
+  schedule frame list.
+  
+  @param  Ehc   The EHCI device.
+  @param  Qh    The queue head to unlink.
+
+**/
+VOID
+EhcUnlinkQhFromPeriod (
+  IN PEI_USB2_HC_DEV      *Ehc,
+  IN PEI_EHC_QH           *Qh
+  )
+;
+
+/**
+  Execute the transfer by polling the URB. This is a synchronous operation.
+  
+  @param  Ehc               The EHCI device.
+  @param  Urb               The URB to execute.
+  @param  TimeOut           The time to wait before abort, in millisecond.
+
+  @retval EFI_DEVICE_ERROR  The transfer failed due to transfer error.
+  @retval EFI_TIMEOUT       The transfer failed due to time out.
+  @retval EFI_SUCCESS       The transfer finished OK.
+
+**/
+EFI_STATUS
+EhcExecTransfer (
+  IN  PEI_USB2_HC_DEV     *Ehc,
+  IN  PEI_URB             *Urb,
+  IN  UINTN               TimeOut
+  )
+;
+
+/**
+  Delete a single asynchronous interrupt transfer for
+  the device and endpoint.
+  
+  @param  Ehc               The EHCI device.
+  @param  DevAddr           The address of the target device.
+  @param  EpNum             The endpoint of the target.
+  @param  DataToggle        Return the next data toggle to use.
+
+  @retval EFI_NOT_FOUND     No transfer for the device is found.
+  @retval EFI_SUCCESS       An asynchronous transfer is removed.
+
+**/
+EFI_STATUS
+EhciDelAsyncIntTransfer (
+  IN  PEI_USB2_HC_DEV     *Ehc,
+  IN  UINT8               DevAddr,
+  IN  UINT8               EpNum,  
+  OUT UINT8               *DataToggle
+  )
+;
+
+/**
+  Remove all the asynchronous interrutp transfers.
+  
+  @param  Ehc         The EHCI device.
+
+**/
+VOID
+EhciDelAllAsyncIntTransfers (
+  IN PEI_USB2_HC_DEV          *Ehc
+  )
+;
+
+/**
+  Remove all the asynchronous interrutp transfers.
+  
+  @param  Event         Interrupt event.
+  @param  Context       Pointer to PEI_USB2_HC_DEV.
+
+**/
+VOID
+EFIAPI
+EhcMoniteAsyncRequests (
+  IN EFI_EVENT            Event,
+  IN VOID                 *Context
+  )
+;
+
+#endif