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https://github.com/CloverHackyColor/CloverBootloader.git
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76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
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/** @file
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This file declares the SMBus definitions defined in SmBus Specifciation V2.0
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and defined in PI1.0 specification volume 5.
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Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef _SMBUS_H_
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#define _SMBUS_H_
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///
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/// UDID of SMBUS device.
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///
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typedef struct {
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UINT32 VendorSpecificId;
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UINT16 SubsystemDeviceId;
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UINT16 SubsystemVendorId;
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UINT16 Interface;
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UINT16 DeviceId;
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UINT16 VendorId;
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UINT8 VendorRevision;
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UINT8 DeviceCapabilities;
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} EFI_SMBUS_UDID;
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///
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/// Smbus Device Address
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///
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typedef struct {
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///
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/// The SMBUS hardware address to which the SMBUS device is preassigned or allocated.
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///
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UINTN SmbusDeviceAddress : 7;
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} EFI_SMBUS_DEVICE_ADDRESS;
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typedef struct {
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///
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/// The SMBUS hardware address to which the SMBUS device is preassigned or
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/// allocated. Type EFI_SMBUS_DEVICE_ADDRESS is defined in EFI_PEI_SMBUS2_PPI.Execute().
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///
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EFI_SMBUS_DEVICE_ADDRESS SmbusDeviceAddress;
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///
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/// The SMBUS Unique Device Identifier (UDID) as defined in EFI_SMBUS_UDID.
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/// Type EFI_SMBUS_UDID is defined in EFI_PEI_SMBUS2_PPI.ArpDevice().
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///
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EFI_SMBUS_UDID SmbusDeviceUdid;
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} EFI_SMBUS_DEVICE_MAP;
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///
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/// Smbus Operations
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///
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typedef enum _EFI_SMBUS_OPERATION {
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EfiSmbusQuickRead,
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EfiSmbusQuickWrite,
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EfiSmbusReceiveByte,
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EfiSmbusSendByte,
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EfiSmbusReadByte,
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EfiSmbusWriteByte,
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EfiSmbusReadWord,
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EfiSmbusWriteWord,
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EfiSmbusReadBlock,
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EfiSmbusWriteBlock,
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EfiSmbusProcessCall,
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EfiSmbusBWBRProcessCall
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} EFI_SMBUS_OPERATION;
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///
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/// EFI_SMBUS_DEVICE_COMMAND
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///
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typedef UINTN EFI_SMBUS_DEVICE_COMMAND;
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#endif
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