/** @file
 DXE Chipset Services Library.
	
 This file contains only one function that is DxeCsSvcSkipGetPciRom().
 The function DxeCsSvcSkipGetPciRom() use chipset services to return 
 a PCI ROM image for the device is represented or not.
	
***************************************************************************
* Copyright (c) 2013, Insyde Software Corp. All Rights Reserved.
*
* You may not reproduce, distribute, publish, display, perform, modify, adapt,
* transmit, broadcast, present, recite, release, license or otherwise exploit
* any part of this publication in any form, by any means, without the prior
* written permission of Insyde Software Corporation.
*
******************************************************************************
*/

#include <PiDxe.h>
#include <Library/DebugLib.h>
#include <Library/DxeChipsetSvcLib.h>
#include <Protocol/H2ODxeChipsetServices.h>

//
// Global Variables (This Source File Only)
//
extern H2O_CHIPSET_SERVICES_PROTOCOL *mChipsetSvc;

/**
 Provide IRQ Routing table according to platform specific information.

 @param[OUT]      VirtualBusTablePtr           A pointer to the VirtualBusTable that list all bridges in this platform 
                                               and bridges' virtual secondary bus.
 @param[OUT]      VirtualBusTableEntryNumber   A pointer to the VirtualBusTable entry number.
 @param[OUT]      IrqPoolTablePtr,             A pointer to the IRQ Pool Table.
 @param[OUT]      IrqPoolTableNumber,          A pointer to the IRQ Pool Table entry number.
 @param[OUT]      PirqPriorityTable,           A pointer to the PIRQ priority used Table.
 @param[OUT]      PirqPriorityTableEntryNumber A pointer to the PIRQ priority used Table entry number.
 @param[OUT]      IrqTablePtr                  A pointer to the IRQ routing Table.

 @retval          EFI_SUCCESS                  Get Platform specific IRQ Routing Info successfully..
 @retval          EFI_UNSUPPORTED              If the function is not implemented.
*/
EFI_STATUS
DxeCsSvcIrqRoutingInformation (
  OUT LEGACY_MODIFY_PIR_TABLE             **VirtualBusTablePtr,
  OUT UINT8                               *VirtualBusTableEntryNumber,
  OUT EFI_LEGACY_IRQ_PRIORITY_TABLE_ENTRY **IrqPoolTablePtr,
  OUT UINT8                               *IrqPoolTableNumber,
  OUT UINT8                               **PirqPriorityTablePtr,
  OUT UINT8                               *PirqPriorityTableEntryNumber,
  OUT IRQ_ROUTING_TABLE                   **IrqRoutingTableInfoPtr
)
{
  //
  // Verify that the protocol interface structure contains the function 
  // pointer and whether that function pointer is non-NULL. If not, return
  // an error.
  //
  if (mChipsetSvc == NULL ||
      mChipsetSvc->Size < (OFFSET_OF (H2O_CHIPSET_SERVICES_PROTOCOL, IrqRoutingInformation) + sizeof (VOID*)) || 
      mChipsetSvc->IrqRoutingInformation == NULL) {
    DEBUG ((EFI_D_ERROR, "H2O DXE Chipset Services can not be found or member SkipGetPciRom() isn't implement!\n"));
    return EFI_UNSUPPORTED;
  }
  return mChipsetSvc->IrqRoutingInformation (VirtualBusTablePtr, VirtualBusTableEntryNumber,
                                             IrqPoolTablePtr,    IrqPoolTableNumber,
                                             PirqPriorityTablePtr,  PirqPriorityTableEntryNumber,
                                             IrqRoutingTableInfoPtr);   
}