| a7ed1e2e |
1 | /** @file\r |
| 2 | This file declares the SMBus definitions defined in SmBus Specifciation\r |
| 3 | V2.0.\r |
| 4 | \r |
| 5 | Copyright (c) 2007, Intel Corporation \r |
| 6 | All rights reserved. This program and the accompanying materials \r |
| 7 | are licensed and made available under the terms and conditions of the BSD License \r |
| 8 | which accompanies this distribution. The full text of the license may be found at \r |
| 9 | http://opensource.org/licenses/bsd-license.php \r |
| 10 | \r |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
| 13 | \r |
| 14 | @par Revision Reference:\r |
| 15 | These definitions are defined in System Management Bus (SmBus) Specification V2.0.\r |
| 16 | \r |
| 17 | **/\r |
| 18 | \r |
| 19 | #ifndef _SMBUS_H_\r |
| 20 | #define _SMBUS_H_\r |
| 21 | \r |
| 22 | \r |
| 23 | //\r |
| 24 | // UDID of SMBUS device.\r |
| 25 | //\r |
| 26 | typedef struct {\r |
| 27 | UINT32 VendorSpecificId;\r |
| 28 | UINT16 SubsystemDeviceId;\r |
| 29 | UINT16 SubsystemVendorId;\r |
| 30 | UINT16 Interface;\r |
| 31 | UINT16 DeviceId;\r |
| 32 | UINT16 VendorId;\r |
| 33 | UINT8 VendorRevision;\r |
| 34 | UINT8 DeviceCapabilities;\r |
| 35 | } EFI_SMBUS_UDID;\r |
| 36 | \r |
| 37 | //\r |
| 38 | // Smbus Device Address, Smbus Device Command, Smbus Operations\r |
| 39 | //\r |
| 40 | typedef struct {\r |
| 41 | UINTN SmbusDeviceAddress : 7;\r |
| 42 | } EFI_SMBUS_DEVICE_ADDRESS;\r |
| 43 | \r |
| 44 | typedef UINTN EFI_SMBUS_DEVICE_COMMAND;\r |
| 45 | \r |
| 46 | typedef enum _EFI_SMBUS_OPERATION\r |
| 47 | {\r |
| 48 | EfiSmbusQuickRead,\r |
| 49 | EfiSmbusQuickWrite,\r |
| 50 | EfiSmbusReceiveByte,\r |
| 51 | EfiSmbusSendByte,\r |
| 52 | EfiSmbusReadByte,\r |
| 53 | EfiSmbusWriteByte,\r |
| 54 | EfiSmbusReadWord,\r |
| 55 | EfiSmbusWriteWord,\r |
| 56 | EfiSmbusReadBlock,\r |
| 57 | EfiSmbusWriteBlock,\r |
| 58 | EfiSmbusProcessCall,\r |
| 59 | EfiSmbusBWBRProcessCall\r |
| 60 | } EFI_SMBUS_OPERATION;\r |
| 61 | \r |
| 62 | #endif\r |
| 63 | \r |
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