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/* |
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* smbus.h |
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* |
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* System Management Bus driver interface |
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* |
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* This file is part of the w32api package. |
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* |
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* Contributors: |
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* Created by Casper S. Hornstrup <chorns@users.sourceforge.net> |
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* |
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* THIS SOFTWARE IS NOT COPYRIGHTED |
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* |
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* This source code is offered for use in the public domain. You may |
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* use, modify or distribute it freely. |
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* |
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* This code is distributed in the hope that it will be useful but |
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY |
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* DISCLAIMED. This includes but is not limited to warranties of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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*/ |
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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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#if __GNUC__ >=3 |
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#pragma GCC system_header |
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#endif |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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#if !defined(SMBCLASS) |
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#define SMBCLASSAPI DECLSPEC_IMPORT |
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#else |
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#define SMBCLASSAPI DECLSPEC_EXPORT |
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#endif |
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|
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#define SMB_BUS_REQUEST \ |
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CTL_CODE(FILE_DEVICE_UNKNOWN, 0, METHOD_NEITHER, FILE_ANY_ACCESS) |
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|
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#define SMB_DEREGISTER_ALARM_NOTIFY \ |
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CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_NEITHER, FILE_ANY_ACCESS) |
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|
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#define SMB_REGISTER_ALARM_NOTIFY \ |
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CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_NEITHER, FILE_ANY_ACCESS) |
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|
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|
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struct _SMB_CLASS; |
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|
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#define SMB_MAX_DATA_SIZE 32 |
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|
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/* SMB_REQUEST.Status constants */ |
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#define SMB_STATUS_OK 0x00 |
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#define SMB_UNKNOWN_FAILURE 0x07 |
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#define SMB_ADDRESS_NOT_ACKNOWLEDGED 0x10 |
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#define SMB_DEVICE_ERROR 0x11 |
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#define SMB_COMMAND_ACCESS_DENIED 0x12 |
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#define SMB_UNKNOWN_ERROR 0x13 |
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#define SMB_DEVICE_ACCESS_DENIED 0x17 |
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#define SMB_TIMEOUT 0x18 |
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#define SMB_UNSUPPORTED_PROTOCOL 0x19 |
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#define SMB_BUS_BUSY 0x1A |
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|
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/* SMB_REQUEST.Protocol constants */ |
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#define SMB_WRITE_QUICK 0x00 |
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#define SMB_READ_QUICK 0x01 |
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#define SMB_SEND_BYTE 0x02 |
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#define SMB_RECEIVE_BYTE 0x03 |
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#define SMB_WRITE_BYTE 0x04 |
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#define SMB_READ_BYTE 0x05 |
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#define SMB_WRITE_WORD 0x06 |
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#define SMB_READ_WORD 0x07 |
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#define SMB_WRITE_BLOCK 0x08 |
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#define SMB_READ_BLOCK 0x09 |
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#define SMB_PROCESS_CALL 0x0A |
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#define SMB_MAXIMUM_PROTOCOL 0x0A |
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|
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typedef struct _SMB_REQUEST { |
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UCHAR Status; |
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UCHAR Protocol; |
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UCHAR Address; |
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UCHAR Command; |
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UCHAR BlockLength; |
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UCHAR Data[SMB_MAX_DATA_SIZE]; |
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} SMB_REQUEST, *PSMB_REQUEST; |
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|
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typedef VOID STDCALL |
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(*SMB_ALARM_NOTIFY)( |
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PVOID Context, |
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UCHAR Address, |
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USHORT Data); |
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|
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typedef struct _SMB_REGISTER_ALARM { |
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UCHAR MinAddress; |
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UCHAR MaxAddress; |
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SMB_ALARM_NOTIFY NotifyFunction; |
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PVOID NotifyContext; |
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} SMB_REGISTER_ALARM, *PSMB_REGISTER_ALARM; |
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|
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/* SMB_CLASS.XxxVersion constants */ |
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#define SMB_CLASS_MAJOR_VERSION 0x0001 |
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#define SMB_CLASS_MINOR_VERSION 0x0000 |
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|
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typedef NTSTATUS DDKAPI |
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(*SMB_RESET_DEVICE)( |
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/*IN*/ struct _SMB_CLASS *SmbClass, |
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/*IN*/ PVOID SmbMiniport); |
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|
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typedef VOID DDKAPI |
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(*SMB_START_IO)( |
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/*IN*/ struct _SMB_CLASS *SmbClass, |
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/*IN*/ PVOID SmbMiniport); |
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|
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typedef NTSTATUS DDKAPI |
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(*SMB_STOP_DEVICE)( |
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/*IN*/ struct _SMB_CLASS *SmbClass, |
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/*IN*/ PVOID SmbMiniport); |
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|
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typedef struct _SMB_CLASS { |
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USHORT MajorVersion; |
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USHORT MinorVersion; |
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PVOID Miniport; |
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PDEVICE_OBJECT DeviceObject; |
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PDEVICE_OBJECT PDO; |
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PDEVICE_OBJECT LowerDeviceObject; |
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PIRP CurrentIrp; |
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PSMB_REQUEST CurrentSmb; |
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SMB_RESET_DEVICE ResetDevice; |
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SMB_START_IO StartIo; |
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SMB_STOP_DEVICE StopDevice; |
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} SMB_CLASS, *PSMB_CLASS; |
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|
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SMBCLASSAPI |
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VOID |
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DDKAPI |
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SmbClassAlarm( |
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/*IN*/ PSMB_CLASS SmbClass, |
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/*IN*/ UCHAR Address, |
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/*IN*/ USHORT Data); |
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|
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SMBCLASSAPI |
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VOID |
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DDKAPI |
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SmbClassCompleteRequest( |
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/*IN*/ PSMB_CLASS SmbClass); |
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|
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typedef NTSTATUS DDKAPI |
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(*PSMB_INITIALIZE_MINIPORT)( |
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/*IN*/ PSMB_CLASS SmbClass, |
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/*IN*/ PVOID MiniportExtension, |
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/*IN*/ PVOID MiniportContext); |
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|
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SMBCLASSAPI |
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NTSTATUS |
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DDKAPI |
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SmbClassCreateFdo( |
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/*IN*/ PDRIVER_OBJECT DriverObject, |
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/*IN*/ PDEVICE_OBJECT PDO, |
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/*IN*/ ULONG MiniportExtensionSize, |
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/*IN*/ PSMB_INITIALIZE_MINIPORT MiniportInitialize, |
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/*IN*/ PVOID MiniportContext, |
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/*OUT*/ PDEVICE_OBJECT *FDO); |
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|
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SMBCLASSAPI |
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NTSTATUS |
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DDKAPI |
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SmbClassInitializeDevice( |
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/*IN*/ ULONG MajorVersion, |
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/*IN*/ ULONG MinorVersion, |
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/*IN*/ PDRIVER_OBJECT DriverObject); |
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|
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SMBCLASSAPI |
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VOID |
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DDKAPI |
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SmbClassLockDevice( |
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/*IN*/ PSMB_CLASS SmbClass); |
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|
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SMBCLASSAPI |
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VOID |
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DDKAPI |
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SmbClassUnlockDevice( |
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/*IN*/ PSMB_CLASS SmbClass); |
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|
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#ifdef __cplusplus |
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} |
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#endif |
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|
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#endif /* __SMBUS_H */ |
