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Diffstat (limited to 'EDK/Foundation/Protocol/IsaIo/IsaIo.h')
| -rw-r--r-- | EDK/Foundation/Protocol/IsaIo/IsaIo.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/EDK/Foundation/Protocol/IsaIo/IsaIo.h b/EDK/Foundation/Protocol/IsaIo/IsaIo.h new file mode 100644 index 0000000..5ddd9eb --- /dev/null +++ b/EDK/Foundation/Protocol/IsaIo/IsaIo.h @@ -0,0 +1,176 @@ +/*++ + +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 |