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/*++
Copyright (c) 2004, 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.
Module Name:
IsaIo.h
Abstract:
EFI ISA I/O Protocol
Revision History
--*/
#ifndef _EFI_ISA_IO_H
#define _EFI_ISA_IO_H
#include EFI_PROTOCOL_DEFINITION(IsaAcpi)
//
// Global ID for the ISA I/O Protocol
//
#define EFI_ISA_IO_PROTOCOL_GUID \
{ 0x7ee2bd44, 0x3da0, 0x11d4, 0x9a, 0x38, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }
EFI_FORWARD_DECLARATION (EFI_ISA_IO_PROTOCOL);
//
// Prototypes for the ISA I/O Protocol
//
typedef enum {
EfiIsaIoWidthUint8,
EfiIsaIoWidthUint16,
EfiIsaIoWidthUint32,
EfiIsaIoWidthReserved,
EfiIsaIoWidthFifoUint8,
EfiIsaIoWidthFifoUint16,
EfiIsaIoWidthFifoUint32,
EfiIsaIoWidthFifoReserved,
EfiIsaIoWidthFillUint8,
EfiIsaIoWidthFillUint16,
EfiIsaIoWidthFillUint32,
EfiIsaIoWidthFillReserved,
EfiIsaIoWidthMaximum
} EFI_ISA_IO_PROTOCOL_WIDTH;
//
// Attributes for common buffer allocations
//
#define EFI_ISA_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x080 // Map a memory range so write are combined
#define EFI_ISA_IO_ATTRIBUTE_MEMORY_CACHED 0x800 // Map a memory range so all r/w accesses are cached
#define EFI_ISA_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 // Disable a memory range
//
// Channel attribute for DMA operations
//
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_COMPATIBLE 0x001
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_A 0x002
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_B 0x004
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SPEED_C 0x008
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_8 0x010
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_WIDTH_16 0x020
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_SINGLE_MODE 0x040
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_DEMAND_MODE 0x080
#define EFI_ISA_IO_SLAVE_DMA_ATTRIBUTE_AUTO_INITIALIZE 0x100
typedef enum {
EfiIsaIoOperationBusMasterRead,
EfiIsaIoOperationBusMasterWrite,
EfiIsaIoOperationBusMasterCommonBuffer,
EfiIsaIoOperationSlaveRead,
EfiIsaIoOperationSlaveWrite,
EfiIsaIoOperationMaximum
} EFI_ISA_IO_PROTOCOL_OPERATION;
typedef
EFI_STATUS
(EFIAPI *EFI_ISA_IO_PROTOCOL_IO_MEM) (
IN EFI_ISA_IO_PROTOCOL *This,
IN EFI_ISA_IO_PROTOCOL_WIDTH Width,
IN UINT32 Offset,
IN UINTN Count,
IN OUT VOID *Buffer
);
typedef struct {
EFI_ISA_IO_PROTOCOL_IO_MEM Read;
EFI_ISA_IO_PROTOCOL_IO_MEM Write;
} EFI_ISA_IO_PROTOCOL_ACCESS;
typedef
EFI_STATUS
(EFIAPI *EFI_ISA_IO_PROTOCOL_COPY_MEM) (
IN EFI_ISA_IO_PROTOCOL *This,
IN EFI_ISA_IO_PROTOCOL_WIDTH Width,
IN UINT32 DestOffset,
IN UINT32 SrcOffset,
IN UINTN Count
);
typedef
EFI_STATUS
(EFIAPI *EFI_ISA_IO_PROTOCOL_MAP) (
IN EFI_ISA_IO_PROTOCOL *This,
IN EFI_ISA_IO_PROTOCOL_OPERATION Operation,
IN UINT8 ChannelNumber OPTIONAL,
IN UINT32 ChannelAttributes,
IN VOID *HostAddress,
IN OUT UINTN *NumberOfBytes,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
);
typedef
EFI_STATUS
(EFIAPI *EFI_ISA_IO_PROTOCOL_UNMAP) (
IN EFI_ISA_IO_PROTOCOL *This,
IN VOID *Mapping
);
typedef
EFI_STATUS
(EFIAPI *EFI_ISA_IO_PROTOCOL_ALLOCATE_BUFFER) (
IN EFI_ISA_IO_PROTOCOL *This,
IN EFI_ALLOCATE_TYPE Type,
IN EFI_MEMORY_TYPE MemoryType,
IN UINTN Pages,
OUT VOID **HostAddress,
IN UINT64 Attributes
);
typedef
EFI_STATUS
(EFIAPI *EFI_ISA_IO_PROTOCOL_FREE_BUFFER) (
IN EFI_ISA_IO_PROTOCOL *This,
IN UINTN Pages,
IN VOID *HostAddress
);
typedef
EFI_STATUS
(EFIAPI *EFI_ISA_IO_PROTOCOL_FLUSH) (
IN EFI_ISA_IO_PROTOCOL *This
);
//
// Interface structure for the ISA I/O Protocol
//
typedef struct _EFI_ISA_IO_PROTOCOL {
EFI_ISA_IO_PROTOCOL_ACCESS Mem;
EFI_ISA_IO_PROTOCOL_ACCESS Io;
EFI_ISA_IO_PROTOCOL_COPY_MEM CopyMem;
EFI_ISA_IO_PROTOCOL_MAP Map;
EFI_ISA_IO_PROTOCOL_UNMAP Unmap;
EFI_ISA_IO_PROTOCOL_ALLOCATE_BUFFER AllocateBuffer;
EFI_ISA_IO_PROTOCOL_FREE_BUFFER FreeBuffer;
EFI_ISA_IO_PROTOCOL_FLUSH Flush;
EFI_ISA_ACPI_RESOURCE_LIST *ResourceList;
UINT32 RomSize;
VOID *RomImage;
} EFI_ISA_IO_PROTOCOL;
extern EFI_GUID gEfiIsaIoProtocolGuid;
#endif
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