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/** @file
This file declares the SMBus definitions defined in SmBus Specifciation
V2.0.
Copyright (c) 2007, 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.
@par Revision Reference:
These definitions are defined in System Management Bus (SmBus) Specification V2.0.
**/
#ifndef _SMBUS_H_
#define _SMBUS_H_
//
// UDID of SMBUS device.
//
typedef struct {
UINT32 VendorSpecificId;
UINT16 SubsystemDeviceId;
UINT16 SubsystemVendorId;
UINT16 Interface;
UINT16 DeviceId;
UINT16 VendorId;
UINT8 VendorRevision;
UINT8 DeviceCapabilities;
} EFI_SMBUS_UDID;
//
// Smbus Device Address, Smbus Device Command, Smbus Operations
//
typedef struct {
UINTN SmbusDeviceAddress : 7;
} EFI_SMBUS_DEVICE_ADDRESS;
typedef UINTN EFI_SMBUS_DEVICE_COMMAND;
typedef enum _EFI_SMBUS_OPERATION
{
EfiSmbusQuickRead,
EfiSmbusQuickWrite,
EfiSmbusReceiveByte,
EfiSmbusSendByte,
EfiSmbusReadByte,
EfiSmbusWriteByte,
EfiSmbusReadWord,
EfiSmbusWriteWord,
EfiSmbusReadBlock,
EfiSmbusWriteBlock,
EfiSmbusProcessCall,
EfiSmbusBWBRProcessCall
} EFI_SMBUS_OPERATION;
#endif
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