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/** @file
PCH Smbus PEIM. This file is used when we do not want ARP support.
@copyright
Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and uniquely
identified as "Intel Reference Module" and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
#include "PchSmbus.h"
/**
Set Slave address for an Smbus device with a known UDID or perform a general
ARP of all devices.
@param[in] PeiServices Pointer to the PEI Services table.
@param[in] This Pointer to the instance of the PEI_SMBUS_PPI.
@param[in] ArpAll If TRUE, do a full ARP. Otherwise, just ARP the specified UDID.
@param[in] SmbusUdid When doing a directed ARP, ARP the device with this UDID.
@param[in, out] SlaveAddress Buffer to store new Slave Address during directed ARP.
@exception EFI_UNSUPPORTED This functionality is not supported
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
EFIAPI
SmbusArpDevice (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_SMBUS_PPI * This,
IN BOOLEAN ArpAll,
IN EFI_SMBUS_UDID * SmbusUdid OPTIONAL,
IN OUT EFI_SMBUS_DEVICE_ADDRESS * SlaveAddress OPTIONAL
)
{
return EFI_UNSUPPORTED;
}
/**
Get a pointer to the assigned mappings of UDID's to Slave Addresses.
@param[in] PeiServices Pointer to the PEI Services table.
@param[in] This Pointer to the instance of the PEI_SMBUS_PPI.
@param[in, out] Length Buffer to contain the lenght of the Device Map.
@param[in, out] SmbusDeviceMap Buffer to contian a pointer to the Device Map.
@exception EFI_UNSUPPORTED This functionality is not supported
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
EFIAPI
SmbusGetArpMap (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_SMBUS_PPI *This,
IN OUT UINTN *Length,
IN OUT EFI_SMBUS_DEVICE_MAP **SmbusDeviceMap
)
{
return EFI_UNSUPPORTED;
}
/**
Register a callback in the event of a Host Notify command being sent by a
specified Slave Device.
@param[in] PeiServices The general PEI Services
@param[in] This The PPI instance
@param[in] SlaveAddress Address of the device whose Host Notify command we want to trap.
@param[in] Data Data of the Host Notify command we want to trap.
@param[in] NotifyFunction Function to be called in the event the desired Host Notify command occurs.
@exception EFI_UNSUPPORTED This functionality is not supported
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
EFIAPI
SmbusNotify (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_SMBUS_PPI *This,
IN EFI_SMBUS_DEVICE_ADDRESS SlaveAddress,
IN UINTN Data,
IN EFI_PEI_SMBUS_NOTIFY_FUNCTION NotifyFunction
)
{
///
/// Requires a periodic event, not supported in PEI
///
return EFI_UNSUPPORTED;
}
/**
Function to be called when SMBus.Execute happens. This will check if
the SMBus Host Controller has received a Host Notify command. If so, it will
see if a notification has been reqested on that event and make any callbacks
that may be necessary.
@param[in] Private Pointer to the SMBUS_INSTANCE
@retval None
**/
VOID
CheckNotification (
IN SMBUS_INSTANCE *Private
)
{
return;
}
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