mirror of https://github.com/acidanthera/audk.git
239 lines
7.5 KiB
C
239 lines
7.5 KiB
C
/**
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Copyright (c) 2006 - 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef __PCICFGPPI_INTERLNAL_H_
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#define __PCICFGPPI_INTERLNAL_H_
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#include <PiPei.h>
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#include <FrameworkPei.h>
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#include <Ppi/PciCfg2.h>
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#include <Ppi/PciCfg.h>
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#include <Library/BaseLib.h>
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#include <Library/PcdLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PciLib.h>
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#include <Library/PeimEntryPoint.h>
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#include <IndustryStandard/Pci.h>
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/**
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Convert EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS to PCI_LIB_ADDRESS.
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@param Address PCI address with
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EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS format.
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@return The PCI address with PCI_LIB_ADDRESS format.
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**/
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UINTN
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PciCfgAddressConvert (
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EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS *Address
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);
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/**
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Reads from a given location in the PCI configuration space.
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@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes.
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See EFI_PEI_PCI_CFG_PPI_WIDTH above.
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@param Address The physical address of the access. The format of
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the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.
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@param Buffer A pointer to the buffer of data..
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_DEVICE_ERROR There was a problem with the transaction.
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@retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this
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time.
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**/
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EFI_STATUS
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EFIAPI
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PciCfg2Read (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_PCI_CFG2_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN OUT VOID *Buffer
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);
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/**
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Write to a given location in the PCI configuration space.
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@param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes.
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See EFI_PEI_PCI_CFG_PPI_WIDTH above.
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@param Address The physical address of the access. The format of
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the address is described by EFI_PEI_PCI_CFG_PPI_PCI_ADDRESS.
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@param Buffer A pointer to the buffer of data..
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_DEVICE_ERROR There was a problem with the transaction.
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@retval EFI_DEVICE_NOT_READY The device is not capable of supporting the operation at this
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time.
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**/
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EFI_STATUS
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EFIAPI
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PciCfg2Write (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_PCI_CFG2_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN OUT VOID *Buffer
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);
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/**
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PCI read-modify-write operation.
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@param PeiServices An indirect pointer to the PEI Services Table
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published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes. Type
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EFI_PEI_PCI_CFG_PPI_WIDTH is defined in Read().
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@param Address The physical address of the access.
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@param SetBits Points to value to bitwise-OR with the read configuration value.
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The size of the value is determined by Width.
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@param ClearBits Points to the value to negate and bitwise-AND with the read configuration value.
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The size of the value is determined by Width.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_DEVICE_ERROR There was a problem with the transaction.
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@retval EFI_DEVICE_NOT_READY The device is not capable of supporting
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the operation at this time.
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**/
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EFI_STATUS
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EFIAPI
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PciCfg2Modify (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN CONST EFI_PEI_PCI_CFG2_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN CONST VOID *SetBits,
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IN CONST VOID *ClearBits
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);
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/**
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PCI read operation.
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@param PeiServices An indirect pointer to the PEI Services Table
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published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes.
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@param Address The physical address of the access.
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@param Buffer A pointer to the buffer of data.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
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**/
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EFI_STATUS
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EFIAPI
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PciCfgRead (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_PCI_CFG_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN OUT VOID *Buffer
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);
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/**
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PCI write operation.
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@param PeiServices An indirect pointer to the PEI Services Table
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published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes.
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@param Address The physical address of the access.
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@param Buffer A pointer to the buffer of data.
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@retval EFI_SUCCESS The function completed successfully.
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@retval EFI_NOT_YET_AVAILABLE The service has not been installed.
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**/
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EFI_STATUS
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EFIAPI
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PciCfgWrite (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_PCI_CFG_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN OUT VOID *Buffer
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);
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/**
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PCI read-modify-write operation.
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@param PeiServices An indirect pointer to the PEI Services Table
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published by the PEI Foundation.
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@param This Pointer to local data for the interface.
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@param Width The width of the access. Enumerated in bytes.
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@param Address The physical address of the access.
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@param SetBits Value of the bits to set.
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@param ClearBits Value of the bits to clear.
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@retval EFI_SUCCESS The function completed successfully.
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**/
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EFI_STATUS
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EFIAPI
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PciCfgModify (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_PCI_CFG_PPI *This,
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IN EFI_PEI_PCI_CFG_PPI_WIDTH Width,
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IN UINT64 Address,
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IN UINTN SetBits,
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IN UINTN ClearBits
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);
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//
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// Global Variables
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//
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extern EFI_PEI_PCI_CFG_PPI gPciCfgPpi;
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extern EFI_PEI_PPI_DESCRIPTOR gPciCfgPpiList;
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#endif
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