| | 1 | /** @file\r |
| | 2 | This file declares the SMBus definitions defined in SmBus Specification V2.0\r |
| | 3 | and defined in PI1.0 specification volume 5.\r |
| | 4 | \r |
| | 5 | Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| | 7 | \r |
| | 8 | **/\r |
| | 9 | \r |
| | 10 | #ifndef _SMBUS_H_\r |
| | 11 | #define _SMBUS_H_\r |
| | 12 | \r |
| | 13 | ///\r |
| | 14 | /// UDID of SMBUS device.\r |
| | 15 | ///\r |
| | 16 | typedef struct {\r |
| | 17 | UINT32 VendorSpecificId;\r |
| | 18 | UINT16 SubsystemDeviceId;\r |
| | 19 | UINT16 SubsystemVendorId;\r |
| | 20 | UINT16 Interface;\r |
| | 21 | UINT16 DeviceId;\r |
| | 22 | UINT16 VendorId;\r |
| | 23 | UINT8 VendorRevision;\r |
| | 24 | UINT8 DeviceCapabilities;\r |
| | 25 | } EFI_SMBUS_UDID;\r |
| | 26 | \r |
| | 27 | ///\r |
| | 28 | /// Smbus Device Address\r |
| | 29 | ///\r |
| | 30 | typedef struct {\r |
| | 31 | ///\r |
| | 32 | /// The SMBUS hardware address to which the SMBUS device is preassigned or allocated.\r |
| | 33 | ///\r |
| | 34 | UINTN SmbusDeviceAddress : 7;\r |
| | 35 | } EFI_SMBUS_DEVICE_ADDRESS;\r |
| | 36 | \r |
| | 37 | typedef struct {\r |
| | 38 | ///\r |
| | 39 | /// The SMBUS hardware address to which the SMBUS device is preassigned or\r |
| | 40 | /// allocated. Type EFI_SMBUS_DEVICE_ADDRESS is defined in EFI_PEI_SMBUS2_PPI.Execute().\r |
| | 41 | ///\r |
| | 42 | EFI_SMBUS_DEVICE_ADDRESS SmbusDeviceAddress;\r |
| | 43 | ///\r |
| | 44 | /// The SMBUS Unique Device Identifier (UDID) as defined in EFI_SMBUS_UDID.\r |
| | 45 | /// Type EFI_SMBUS_UDID is defined in EFI_PEI_SMBUS2_PPI.ArpDevice().\r |
| | 46 | ///\r |
| | 47 | EFI_SMBUS_UDID SmbusDeviceUdid;\r |
| | 48 | } EFI_SMBUS_DEVICE_MAP;\r |
| | 49 | \r |
| | 50 | ///\r |
| | 51 | /// Smbus Operations\r |
| | 52 | ///\r |
| | 53 | typedef enum _EFI_SMBUS_OPERATION {\r |
| | 54 | EfiSmbusQuickRead,\r |
| | 55 | EfiSmbusQuickWrite,\r |
| | 56 | EfiSmbusReceiveByte,\r |
| | 57 | EfiSmbusSendByte,\r |
| | 58 | EfiSmbusReadByte,\r |
| | 59 | EfiSmbusWriteByte,\r |
| | 60 | EfiSmbusReadWord,\r |
| | 61 | EfiSmbusWriteWord,\r |
| | 62 | EfiSmbusReadBlock,\r |
| | 63 | EfiSmbusWriteBlock,\r |
| | 64 | EfiSmbusProcessCall,\r |
| | 65 | EfiSmbusBWBRProcessCall\r |
| | 66 | } EFI_SMBUS_OPERATION;\r |
| | 67 | \r |
| | 68 | ///\r |
| | 69 | /// EFI_SMBUS_DEVICE_COMMAND\r |
| | 70 | ///\r |
| | 71 | typedef UINTN EFI_SMBUS_DEVICE_COMMAND;\r |
| | 72 | \r |
| | 73 | #endif\r |
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