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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7748 6f19259b-4bc3-4df7-8a09-765794883524
123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/** @file
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Driver implementing the Tiano Legacy 8259 Protocol
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Copyright (c) 2005, 2009, 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 _8259_H__
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#define _8259_H__
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#include <FrameworkDxe.h>
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#include <Protocol/Legacy8259.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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//
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// 8259 Hardware definitions
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//
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#define LEGACY_MODE_BASE_VECTOR_MASTER 0x08
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#define LEGACY_MODE_BASE_VECTOR_SLAVE 0x70
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#define PROTECTED_MODE_BASE_VECTOR_MASTER 0x68
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#define PROTECTED_MODE_BASE_VECTOR_SLAVE 0x70
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#define LEGACY_8259_CONTROL_REGISTER_MASTER 0x20
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#define LEGACY_8259_MASK_REGISTER_MASTER 0x21
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#define LEGACY_8259_CONTROL_REGISTER_SLAVE 0xA0
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#define LEGACY_8259_MASK_REGISTER_SLAVE 0xA1
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#define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER 0x4D0
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#define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE 0x4D1
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#define LEGACY_8259_EOI 0x20
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//
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// Protocol Function Prototypes
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//
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EFI_STATUS
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EFIAPI
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Interrupt8259SetVectorBase (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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IN UINT8 MasterBase,
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IN UINT8 SlaveBase
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);
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EFI_STATUS
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EFIAPI
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Interrupt8259GetMask (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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OUT UINT16 *LegacyMask, OPTIONAL
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OUT UINT16 *LegacyEdgeLevel, OPTIONAL
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OUT UINT16 *ProtectedMask, OPTIONAL
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OUT UINT16 *ProtectedEdgeLevel OPTIONAL
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);
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EFI_STATUS
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EFIAPI
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Interrupt8259SetMask (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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IN UINT16 *LegacyMask, OPTIONAL
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IN UINT16 *LegacyEdgeLevel, OPTIONAL
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IN UINT16 *ProtectedMask, OPTIONAL
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IN UINT16 *ProtectedEdgeLevel OPTIONAL
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);
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EFI_STATUS
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EFIAPI
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Interrupt8259SetMode (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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IN EFI_8259_MODE Mode,
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IN UINT16 *Mask, OPTIONAL
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IN UINT16 *EdgeLevel OPTIONAL
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);
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EFI_STATUS
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EFIAPI
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Interrupt8259GetVector (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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IN EFI_8259_IRQ Irq,
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OUT UINT8 *Vector
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);
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EFI_STATUS
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EFIAPI
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Interrupt8259EnableIrq (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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IN EFI_8259_IRQ Irq,
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IN BOOLEAN LevelTriggered
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);
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EFI_STATUS
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EFIAPI
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Interrupt8259DisableIrq (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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IN EFI_8259_IRQ Irq
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);
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EFI_STATUS
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EFIAPI
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Interrupt8259GetInterruptLine (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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IN EFI_HANDLE PciHandle,
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OUT UINT8 *Vector
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);
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EFI_STATUS
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EFIAPI
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Interrupt8259EndOfInterrupt (
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IN EFI_LEGACY_8259_PROTOCOL *This,
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IN EFI_8259_IRQ Irq
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);
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#endif
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