mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-26 16:47:40 +01:00
221 lines
6.9 KiB
C
221 lines
6.9 KiB
C
/** @file
|
|
Driver implementing the Tiano Legacy 8259 Protocol
|
|
|
|
Copyright (c) 2005 - 2009, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef _8259_H__
|
|
#define _8259_H__
|
|
|
|
#include <FrameworkDxe.h>
|
|
|
|
#include <Protocol/Legacy8259.h>
|
|
#include <Protocol/PciIo.h>
|
|
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/IoLib.h>
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/PcdLib.h>
|
|
|
|
#include <IndustryStandard/Pci.h>
|
|
|
|
// 8259 Hardware definitions
|
|
|
|
#define LEGACY_MODE_BASE_VECTOR_MASTER 0x08
|
|
#define LEGACY_MODE_BASE_VECTOR_SLAVE 0x70
|
|
|
|
#define PROTECTED_MODE_BASE_VECTOR_MASTER 0x68
|
|
#define PROTECTED_MODE_BASE_VECTOR_SLAVE 0x70
|
|
|
|
#define LEGACY_8259_CONTROL_REGISTER_MASTER 0x20
|
|
#define LEGACY_8259_MASK_REGISTER_MASTER 0x21
|
|
#define LEGACY_8259_CONTROL_REGISTER_SLAVE 0xA0
|
|
#define LEGACY_8259_MASK_REGISTER_SLAVE 0xA1
|
|
#define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_MASTER 0x4D0
|
|
#define LEGACY_8259_EDGE_LEVEL_TRIGGERED_REGISTER_SLAVE 0x4D1
|
|
|
|
#define LEGACY_8259_EOI 0x20
|
|
|
|
// Protocol Function Prototypes
|
|
|
|
/**
|
|
Sets the base address for the 8259 master and slave PICs.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[in] MasterBase Interrupt vectors for IRQ0-IRQ7.
|
|
@param[in] SlaveBase Interrupt vectors for IRQ8-IRQ15.
|
|
|
|
@retval EFI_SUCCESS The 8259 PIC was programmed successfully.
|
|
@retval EFI_DEVICE_ERROR There was an error while writing to the 8259 PIC.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259SetVectorBase (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
IN UINT8 MasterBase,
|
|
IN UINT8 SlaveBase
|
|
);
|
|
|
|
/**
|
|
Gets the current 16-bit real mode and 32-bit protected-mode IRQ masks.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[out] LegacyMask 16-bit mode interrupt mask for IRQ0-IRQ15.
|
|
@param[out] LegacyEdgeLevel 16-bit mode edge/level mask for IRQ-IRQ15.
|
|
@param[out] ProtectedMask 32-bit mode interrupt mask for IRQ0-IRQ15.
|
|
@param[out] ProtectedEdgeLevel 32-bit mode edge/level mask for IRQ0-IRQ15.
|
|
|
|
@retval EFI_SUCCESS The 8259 PIC was programmed successfully.
|
|
@retval EFI_DEVICE_ERROR There was an error while reading the 8259 PIC.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259GetMask (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
OUT UINT16 *LegacyMask, OPTIONAL
|
|
OUT UINT16 *LegacyEdgeLevel, OPTIONAL
|
|
OUT UINT16 *ProtectedMask, OPTIONAL
|
|
OUT UINT16 *ProtectedEdgeLevel OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Sets the current 16-bit real mode and 32-bit protected-mode IRQ masks.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[in] LegacyMask 16-bit mode interrupt mask for IRQ0-IRQ15.
|
|
@param[in] LegacyEdgeLevel 16-bit mode edge/level mask for IRQ-IRQ15.
|
|
@param[in] ProtectedMask 32-bit mode interrupt mask for IRQ0-IRQ15.
|
|
@param[in] ProtectedEdgeLevel 32-bit mode edge/level mask for IRQ0-IRQ15.
|
|
|
|
@retval EFI_SUCCESS The 8259 PIC was programmed successfully.
|
|
@retval EFI_DEVICE_ERROR There was an error while writing the 8259 PIC.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259SetMask (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
IN UINT16 *LegacyMask, OPTIONAL
|
|
IN UINT16 *LegacyEdgeLevel, OPTIONAL
|
|
IN UINT16 *ProtectedMask, OPTIONAL
|
|
IN UINT16 *ProtectedEdgeLevel OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Sets the mode of the PICs.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[in] Mode 16-bit real or 32-bit protected mode.
|
|
@param[in] Mask The value with which to set the interrupt mask.
|
|
@param[in] EdgeLevel The value with which to set the edge/level mask.
|
|
|
|
@retval EFI_SUCCESS The mode was set successfully.
|
|
@retval EFI_INVALID_PARAMETER The mode was not set.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259SetMode (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
IN EFI_8259_MODE Mode,
|
|
IN UINT16 *Mask, OPTIONAL
|
|
IN UINT16 *EdgeLevel OPTIONAL
|
|
);
|
|
|
|
/**
|
|
Translates the IRQ into a vector.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[in] Irq IRQ0-IRQ15.
|
|
@param[out] Vector The vector that is assigned to the IRQ.
|
|
|
|
@retval EFI_SUCCESS The Vector that matches Irq was returned.
|
|
@retval EFI_INVALID_PARAMETER Irq is not valid.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259GetVector (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
IN EFI_8259_IRQ Irq,
|
|
OUT UINT8 *Vector
|
|
);
|
|
|
|
/**
|
|
Enables the specified IRQ.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[in] Irq IRQ0-IRQ15.
|
|
@param[in] LevelTriggered 0 = Edge triggered; 1 = Level triggered.
|
|
|
|
@retval EFI_SUCCESS The Irq was enabled on the 8259 PIC.
|
|
@retval EFI_INVALID_PARAMETER The Irq is not valid.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259EnableIrq (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
IN EFI_8259_IRQ Irq,
|
|
IN BOOLEAN LevelTriggered
|
|
);
|
|
|
|
/**
|
|
Disables the specified IRQ.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[in] Irq IRQ0-IRQ15.
|
|
|
|
@retval EFI_SUCCESS The Irq was disabled on the 8259 PIC.
|
|
@retval EFI_INVALID_PARAMETER The Irq is not valid.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259DisableIrq (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
IN EFI_8259_IRQ Irq
|
|
);
|
|
|
|
/**
|
|
Reads the PCI configuration space to get the interrupt number that is assigned to the card.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[in] PciHandle PCI function for which to return the vector.
|
|
@param[out] Vector IRQ number that corresponds to the interrupt line.
|
|
|
|
@retval EFI_SUCCESS The interrupt line value was read successfully.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259GetInterruptLine (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
IN EFI_HANDLE PciHandle,
|
|
OUT UINT8 *Vector
|
|
);
|
|
|
|
/**
|
|
Issues the End of Interrupt (EOI) commands to PICs.
|
|
|
|
@param[in] This Indicates the EFI_LEGACY_8259_PROTOCOL instance.
|
|
@param[in] Irq The interrupt for which to issue the EOI command.
|
|
|
|
@retval EFI_SUCCESS The EOI command was issued.
|
|
@retval EFI_INVALID_PARAMETER The Irq is not valid.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
Interrupt8259EndOfInterrupt (
|
|
IN EFI_LEGACY_8259_PROTOCOL *This,
|
|
IN EFI_8259_IRQ Irq
|
|
);
|
|
|
|
#endif
|