163 lines
6.3 KiB
C
163 lines
6.3 KiB
C
/** @file
|
|
APIs of PCH ACPI SMI Dispatch Protocol.
|
|
|
|
@copyright
|
|
INTEL CONFIDENTIAL
|
|
Copyright 2014 - 2016 Intel Corporation.
|
|
|
|
The source code contained or described herein and all documents related to the
|
|
source code ("Material") are owned by Intel Corporation or its suppliers or
|
|
licensors. Title to the Material remains with Intel Corporation or its suppliers
|
|
and licensors. The Material may contain trade secrets and proprietary and
|
|
confidential information of Intel Corporation and its suppliers and licensors,
|
|
and is protected by worldwide copyright and trade secret laws and treaty
|
|
provisions. No part of the Material may be used, copied, reproduced, modified,
|
|
published, uploaded, posted, transmitted, distributed, or disclosed in any way
|
|
without Intel's prior express written permission.
|
|
|
|
No license under any patent, copyright, trade secret or other intellectual
|
|
property right is granted to or conferred upon you by disclosure or delivery
|
|
of the Materials, either expressly, by implication, inducement, estoppel or
|
|
otherwise. Any license under such intellectual property rights must be
|
|
express and approved by Intel in writing.
|
|
|
|
Unless otherwise agreed by Intel in writing, you may not remove or alter
|
|
this notice or any other notice embedded in Materials by Intel or
|
|
Intel's suppliers or licensors in any way.
|
|
|
|
This file contains an 'Intel Peripheral Driver' and is 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.
|
|
|
|
@par Specification Reference:
|
|
**/
|
|
#ifndef _PCH_ACPI_SMI_DISPATCH_PROTOCOL_H_
|
|
#define _PCH_ACPI_SMI_DISPATCH_PROTOCOL_H_
|
|
|
|
//
|
|
// Extern the GUID for protocol users.
|
|
//
|
|
extern EFI_GUID gPchAcpiSmiDispatchProtocolGuid;
|
|
|
|
//
|
|
// Forward reference for ANSI C compatibility
|
|
//
|
|
typedef struct _PCH_ACPI_SMI_DISPATCH_PROTOCOL PCH_ACPI_SMI_DISPATCH_PROTOCOL;
|
|
|
|
//
|
|
// Member functions
|
|
//
|
|
|
|
/**
|
|
Callback function for an PCH ACPI SMI handler dispatch.
|
|
|
|
@param[in] DispatchHandle The unique handle assigned to this handler by register function.
|
|
|
|
**/
|
|
typedef
|
|
VOID
|
|
(EFIAPI *PCH_ACPI_SMI_DISPATCH_CALLBACK) (
|
|
IN EFI_HANDLE DispatchHandle
|
|
);
|
|
|
|
/**
|
|
Register a child SMI source dispatch function for PCH ACPI SMI events.
|
|
|
|
@param[in] This Protocol instance pointer.
|
|
@param[in] DispatchFunction Pointer to dispatch function to be invoked for
|
|
this SMI source
|
|
@param[out] DispatchHandle Handle of dispatch function, for when interfacing
|
|
with the parent SMM driver.
|
|
|
|
@retval EFI_SUCCESS The dispatch function has been successfully
|
|
registered and the SMI source has been enabled.
|
|
@retval EFI_DEVICE_ERROR The driver was unable to enable the SMI source.
|
|
@retval EFI_OUT_OF_RESOURCES Not enough memory (system or SMM) to manage this child.
|
|
@retval EFI_ACCESS_DENIED Return access denied if the EndOfDxe event has been triggered
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *PCH_ACPI_SMI_DISPATCH_REGISTER) (
|
|
IN PCH_ACPI_SMI_DISPATCH_PROTOCOL *This,
|
|
IN PCH_ACPI_SMI_DISPATCH_CALLBACK DispatchFunction,
|
|
OUT EFI_HANDLE *DispatchHandle
|
|
);
|
|
|
|
/**
|
|
Unregister a child SMI source dispatch function with a parent ACPI SMM driver
|
|
|
|
@param[in] This Protocol instance pointer.
|
|
@param[in] DispatchHandle Handle of dispatch function to deregister.
|
|
|
|
@retval EFI_SUCCESS The dispatch function has been successfully
|
|
unregistered and the SMI source has been disabled
|
|
if there are no other registered child dispatch
|
|
functions for this SMI source.
|
|
@retval EFI_INVALID_PARAMETER Handle is invalid.
|
|
@retval EFI_ACCESS_DENIED Return access denied if the EndOfDxe event has been triggered
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *PCH_ACPI_SMI_DISPATCH_UNREGISTER) (
|
|
IN PCH_ACPI_SMI_DISPATCH_PROTOCOL *This,
|
|
IN EFI_HANDLE DispatchHandle
|
|
);
|
|
|
|
/**
|
|
Interface structure for PCH ACPI SMIs Dispatch Protocol
|
|
The PCH ACPI SMI DISPATCH PROTOCOL provides the ability to dispatch function for PCH ACPI related SMIs.
|
|
It contains SMI types of Pme, RtcAlarm, PmeB0, and Time overflow.
|
|
**/
|
|
struct _PCH_ACPI_SMI_DISPATCH_PROTOCOL {
|
|
/**
|
|
This member specifies the revision of this structure. This field is used to
|
|
indicate backwards compatible changes to the protocol.
|
|
**/
|
|
UINT8 Revision;
|
|
/**
|
|
Smi unregister function for PCH ACPI SMI DISPATCH PROTOCOL.
|
|
**/
|
|
PCH_ACPI_SMI_DISPATCH_UNREGISTER UnRegister;
|
|
/**
|
|
Pme
|
|
The event is triggered by hardware when the PME# signal goes active.
|
|
Additionally, the event is only triggered when SCI_EN is not set.
|
|
**/
|
|
PCH_ACPI_SMI_DISPATCH_REGISTER PmeRegister;
|
|
/**
|
|
PmeB0
|
|
The event is triggered PCH when any internal device with PCI Power Management
|
|
capabilities on bus 0 asserts the equivalent of the PME# signal.
|
|
Additionally, the event is only triggered when SCI_EN is not set.
|
|
The following are internal devices which can set this bit:
|
|
Intel HD Audio, Intel Management Engine "maskable" wake events, Integrated LAN,
|
|
SATA, xHCI, Intel SST
|
|
**/
|
|
PCH_ACPI_SMI_DISPATCH_REGISTER PmeB0Register;
|
|
/**
|
|
RtcAlarm
|
|
The event is triggered by hardware when the RTC generates an alarm
|
|
(assertion of the IRQ8# signal).
|
|
**/
|
|
PCH_ACPI_SMI_DISPATCH_REGISTER RtcAlarmRegister;
|
|
/**
|
|
TmrOverflow
|
|
The event is triggered any time bit 22 of the 24-bit timer goes high
|
|
(bits are numbered from 0 to 23).
|
|
This will occur every 2.3435 seconds. When the TMROF_EN bit (ABASE + 02h, bit 0) is set,
|
|
then the setting of the TMROF_STS bit will additionally generate an SMI#
|
|
Additionally, the event is only triggered when SCI_EN is not set.
|
|
**/
|
|
PCH_ACPI_SMI_DISPATCH_REGISTER TmrOverflowRegister;
|
|
};
|
|
|
|
/**
|
|
PCH ACPI SMI dispatch revision number
|
|
|
|
Revision 1: Initial version
|
|
**/
|
|
#define PCH_ACPI_SMI_DISPATCH_REVISION 1
|
|
|
|
#endif
|