90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
/** @file
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PCI Io Protocol
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;******************************************************************************
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;* Copyright (c) 2015, Insyde Software Corporation. All Rights Reserved.
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;*
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;* You may not reproduce, distribute, publish, display, perform, modify, adapt,
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;* transmit, broadcast, present, recite, release, license or otherwise exploit
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;* any part of this publication in any form, by any means, without the prior
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;* written permission of Insyde Software Corporation.
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;*
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;******************************************************************************
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*/
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#ifndef _PCI_H
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#define _PCI_H
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typedef enum {
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EfiWidthUint8,
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EfiWidthUint16,
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EfiWidthUint32,
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EfiWidthUint64,
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EfiWidthFifoUint8,
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EfiWidthFifoUint16,
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EfiWidthFifoUint32,
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EfiWidthFifoUint64,
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EfiWidthFillUint8,
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EfiWidthFillUint16,
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EfiWidthFillUint32,
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EfiWidthFillUint64,
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EfiWidthMaximum
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} EFI_WIDTH;
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#define EFI_PCI_ADDRESS(bus,dev,func,reg) \
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((UINT32)(0x80000000 + (((UINT32)bus) << 16) + (((UINT32)dev) << 11) + (((UINT32)func) << 8) + ((UINT32)reg)))
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EFI_STATUS
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PciRead (
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IN EFI_WIDTH Width,
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IN UINT32 Address,
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IN OUT VOID *Buffer
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);
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EFI_STATUS
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PciWrite (
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IN EFI_WIDTH Width,
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IN UINT32 Address,
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IN OUT VOID *Buffer
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);
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UINT8
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EFIAPI
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CpuIoRead8 (
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IN UINT16 Port
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);
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UINT16
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EFIAPI
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CpuIoRead16 (
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IN UINT16 Port
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);
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UINT32
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EFIAPI
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CpuIoRead32 (
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IN UINT16 Port
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);
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VOID
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EFIAPI
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CpuIoWrite8 (
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IN UINT16 Port,
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IN UINT8 Data
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);
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VOID
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EFIAPI
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CpuIoWrite16 (
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IN UINT16 Port,
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IN UINT16 Data
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);
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VOID
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EFIAPI
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CpuIoWrite32 (
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IN UINT16 Port,
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IN UINT32 Data
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);
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#endif |