| /** @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 enum _EFI_SMBUS_OPERATION | |
| { | |
| EfiSmbusQuickRead, | |
| EfiSmbusQuickWrite, | |
| EfiSmbusReceiveByte, | |
| EfiSmbusSendByte, | |
| EfiSmbusReadByte, | |
| EfiSmbusWriteByte, | |
| EfiSmbusReadWord, | |
| EfiSmbusWriteWord, | |
| EfiSmbusReadBlock, | |
| EfiSmbusWriteBlock, | |
| EfiSmbusProcessCall, | |
| EfiSmbusBWBRProcessCall | |
| } EFI_SMBUS_OPERATION; | |
| #endif | |