191 lines
4.4 KiB
C
191 lines
4.4 KiB
C
/*
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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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#ifndef __SMBUS_H
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#define __SMBUS_H
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#if __GNUC__ >=3
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#pragma GCC system_header
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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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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#define SMB_BUS_REQUEST \
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CTL_CODE(FILE_DEVICE_UNKNOWN, 0, METHOD_NEITHER, FILE_ANY_ACCESS)
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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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#define SMB_REGISTER_ALARM_NOTIFY \
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CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_NEITHER, FILE_ANY_ACCESS)
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struct _SMB_CLASS;
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#define SMB_MAX_DATA_SIZE 32
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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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/* 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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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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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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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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/* 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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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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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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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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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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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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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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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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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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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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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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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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#ifdef __cplusplus
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}
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#endif
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#endif /* __SMBUS_H */
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