/*++

Copyright (c) 1999 - 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution.  The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.


Module Name:

  Smbus.h
    
Abstract:

  EFI SMBUS Protocol

--*/

#ifndef _EFI_SMBUS_H
#define _EFI_SMBUS_H

#include "EfiSmbus.h"

#define EFI_SMBUS_HC_PROTOCOL_GUID \
  { \
    0xe49d33ed, 0x513d, 0x4634, {0xb6, 0x98, 0x6f, 0x55, 0xaa, 0x75, 0x1c, 0x1b} \
  }

EFI_FORWARD_DECLARATION (EFI_SMBUS_HC_PROTOCOL);

typedef
EFI_STATUS
(EFIAPI *EFI_SMBUS_HC_EXECUTE_OPERATION) (
  IN EFI_SMBUS_HC_PROTOCOL              * This,
  IN      EFI_SMBUS_DEVICE_ADDRESS      SlaveAddress,
  IN      EFI_SMBUS_DEVICE_COMMAND      Command,
  IN      EFI_SMBUS_OPERATION           Operation,
  IN      BOOLEAN                       PecCheck,
  IN OUT  UINTN                         *Length,
  IN OUT  VOID                          *Buffer
  );

typedef
EFI_STATUS
(EFIAPI *EFI_SMBUS_NOTIFY_FUNCTION) (
  IN      EFI_SMBUS_DEVICE_ADDRESS      SlaveAddress,
  IN      UINTN                         Data
  );

//
// If ArpAll is TRUE, SmbusUdid/SlaveAddress is Optional.
// If FALSE, ArpDevice will enum SmbusUdid and the address will be at SlaveAddress
//
typedef
EFI_STATUS
(EFIAPI *EFI_SMBUS_HC_PROTOCOL_ARP_DEVICE) (
  IN EFI_SMBUS_HC_PROTOCOL              * This,
  IN      BOOLEAN                       ArpAll,
  IN      EFI_SMBUS_UDID                * SmbusUdid, OPTIONAL
  IN OUT  EFI_SMBUS_DEVICE_ADDRESS      * SlaveAddress OPTIONAL
  );


typedef
EFI_STATUS
(EFIAPI *EFI_SMBUS_HC_PROTOCOL_GET_ARP_MAP) (
  IN EFI_SMBUS_HC_PROTOCOL              * This,
  IN OUT  UINTN                         *Length,
  IN OUT  EFI_SMBUS_DEVICE_MAP          **SmbusDeviceMap
  );

typedef
EFI_STATUS
(EFIAPI *EFI_SMBUS_HC_PROTOCOL_NOTIFY) (
  IN EFI_SMBUS_HC_PROTOCOL              * This,
  IN      EFI_SMBUS_DEVICE_ADDRESS      SlaveAddress,
  IN      UINTN                         Data,
  IN      EFI_SMBUS_NOTIFY_FUNCTION     NotifyFunction
  );

struct _EFI_SMBUS_HC_PROTOCOL {
  EFI_SMBUS_HC_EXECUTE_OPERATION    Execute;
  EFI_SMBUS_HC_PROTOCOL_ARP_DEVICE  ArpDevice;
  EFI_SMBUS_HC_PROTOCOL_GET_ARP_MAP GetArpMap;
  EFI_SMBUS_HC_PROTOCOL_NOTIFY      Notify;
};

extern EFI_GUID gEfiSmbusProtocolGuid;
#endif
