mirror of https://github.com/acidanthera/audk.git
239 lines
7.5 KiB
C
239 lines
7.5 KiB
C
/**
|
|
|
|
Copyright (c) 2006 - 2007, Intel Corporation
|
|
All rights reserved. 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 __PCICFGPPI_INTERLNAL_H_
|
|
#define __PCICFGPPI_INTERLNAL_H_
|
|
|
|
#include <PiPei.h>
|
|
#include <FrameworkPei.h>
|
|
|
|
#include <Ppi/PciCfg2.h>
|
|
#include <Ppi/PciCfg.h>
|
|
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/PcdLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/PciLib.h>
|
|
#include <Library/PeimEntryPoint.h>
|
|
|
|
#include <IndustryStandard/Pci.h>
|
|
|
|
|
|
/**
|
|
Convert EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS to PCI_LIB_ADDRESS.
|
|
|
|
@param Address PCI address with
|
|
EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS format.
|
|
|
|
@return The PCI address with PCI_LIB_ADDRESS format.
|
|
|
|
**/
|
|
UINTN
|
|
PciCfgAddressConvert (
|
|
EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS *Address
|
|
);
|
|
|
|
|
|
/**
|
|
Reads from a given location in the PCI configuration space.
|
|
|
|
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
|
|
|
|
@param This Pointer to local data for the interface.
|
|
|
|
@param Width The width of the access. Enumerated in bytes.
|
|
See EFI_PEI_PCI_CFG_PPI_WIDTH above.
|
|
|
|
@param Address The physical address of the access. The format of
|
|
the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.
|
|
|
|
@param Buffer A pointer to the buffer of data..
|
|
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
|
|
@retval EFI_DEVICE_ERROR There was a problem with the transaction.
|
|
|
|
@retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this
|
|
time.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PciCfg2Read (
|
|
IN CONST EFI_PEI_SERVICES **PeiServices,
|
|
IN CONST EFI_PEI_PCI_CFG2_PPI *This,
|
|
IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
|
|
IN UINT64 Address,
|
|
IN OUT VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
Write to a given location in the PCI configuration space.
|
|
|
|
@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
|
|
|
|
@param This Pointer to local data for the interface.
|
|
|
|
@param Width The width of the access. Enumerated in bytes.
|
|
See EFI_PEI_PCI_CFG_PPI_WIDTH above.
|
|
|
|
@param Address The physical address of the access. The format of
|
|
the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.
|
|
|
|
@param Buffer A pointer to the buffer of data..
|
|
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
|
|
@retval EFI_DEVICE_ERROR There was a problem with the transaction.
|
|
|
|
@retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this
|
|
time.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PciCfg2Write (
|
|
IN CONST EFI_PEI_SERVICES **PeiServices,
|
|
IN CONST EFI_PEI_PCI_CFG2_PPI *This,
|
|
IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
|
|
IN UINT64 Address,
|
|
IN OUT VOID *Buffer
|
|
);
|
|
|
|
|
|
/**
|
|
PCI read-modify-write operation.
|
|
|
|
@param PeiServices An indirect pointer to the PEI Services Table
|
|
published by the PEI Foundation.
|
|
|
|
@param This Pointer to local data for the interface.
|
|
|
|
@param Width The width of the access. Enumerated in bytes. Type
|
|
EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read().
|
|
|
|
@param Address The physical address of the access.
|
|
|
|
@param SetBits Points to value to bitwise-OR with the read configuration value.
|
|
|
|
The size of the value is determined by Width.
|
|
|
|
@param ClearBits Points to the value to negate and bitwise-AND with the read configuration value.
|
|
The size of the value is determined by Width.
|
|
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
|
|
@retval EFI_DEVICE_ERROR There was a problem with the transaction.
|
|
|
|
@retval EFI_DEVICE_NOT_READY The device is not capable of supporting
|
|
the operation at this time.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PciCfg2Modify (
|
|
IN CONST EFI_PEI_SERVICES **PeiServices,
|
|
IN CONST EFI_PEI_PCI_CFG2_PPI *This,
|
|
IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
|
|
IN UINT64 Address,
|
|
IN VOID *SetBits,
|
|
IN VOID *ClearBits
|
|
);
|
|
|
|
|
|
|
|
/**
|
|
PCI read operation.
|
|
|
|
@param PeiServices An indirect pointer to the PEI Services Table
|
|
published by the PEI Foundation.
|
|
@param This Pointer to local data for the interface.
|
|
@param Width The width of the access. Enumerated in bytes.
|
|
@param Address The physical address of the access.
|
|
@param Buffer A pointer to the buffer of data.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PciCfgRead (
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
|
IN EFI_PEI_PCI_CFG_PPI *This,
|
|
IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
|
|
IN UINT64 Address,
|
|
IN OUT VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
PCI write operation.
|
|
|
|
@param PeiServices An indirect pointer to the PEI Services Table
|
|
published by the PEI Foundation.
|
|
@param This Pointer to local data for the interface.
|
|
@param Width The width of the access. Enumerated in bytes.
|
|
@param Address The physical address of the access.
|
|
@param Buffer A pointer to the buffer of data.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PciCfgWrite (
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
|
IN EFI_PEI_PCI_CFG_PPI *This,
|
|
IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
|
|
IN UINT64 Address,
|
|
IN OUT VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
PCI read-modify-write operation.
|
|
|
|
@param PeiServices An indirect pointer to the PEI Services Table
|
|
published by the PEI Foundation.
|
|
@param This Pointer to local data for the interface.
|
|
@param Width The width of the access. Enumerated in bytes.
|
|
@param Address The physical address of the access.
|
|
@param SetBits Value of the bits to set.
|
|
@param ClearBits Value of the bits to clear.
|
|
|
|
@retval EFI_SUCCESS The function completed successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
PciCfgModify (
|
|
IN EFI_PEI_SERVICES **PeiServices,
|
|
IN EFI_PEI_PCI_CFG_PPI *This,
|
|
IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
|
|
IN UINT64 Address,
|
|
IN UINTN SetBits,
|
|
IN UINTN ClearBits
|
|
);
|
|
|
|
//
|
|
// Global Variables
|
|
//
|
|
extern EFI_PEI_PCI_CFG_PPI gPciCfgPpi;
|
|
extern EFI_PEI_PPI_DESCRIPTOR gPciCfgPpiList;
|
|
|
|
|
|
#endif
|