mirror of https://github.com/acidanthera/audk.git
118 lines
4.6 KiB
C
118 lines
4.6 KiB
C
/** @file
|
|
SMM Power Button Dispatch2 Protocol as defined in PI 1.1 Specification
|
|
Volume 4 System Management Mode Core Interface.
|
|
|
|
This protocol provides the parent dispatch service for the power button SMI source generator.
|
|
|
|
Copyright (c) 2009, 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.
|
|
|
|
@par Revision Reference:
|
|
This protocol is from PI Version 1.1.
|
|
|
|
**/
|
|
|
|
#ifndef _SMM_POWER_BUTTON_DISPATCH2_H_
|
|
#define _SMM_POWER_BUTTON_DISPATCH2_H_
|
|
|
|
#include <Pi/PiSmmCis.h>
|
|
|
|
#define EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL_GUID \
|
|
{ \
|
|
0x1b1183fa, 0x1823, 0x46a7, {0x88, 0x72, 0x9c, 0x57, 0x87, 0x55, 0x40, 0x9d } \
|
|
}
|
|
|
|
///
|
|
/// Power Button phases.
|
|
///
|
|
typedef enum {
|
|
EfiPowerButtonEntry,
|
|
EfiPowerButtonExit,
|
|
EfiPowerButtonMax
|
|
} EFI_POWER_BUTTON_PHASE;
|
|
|
|
///
|
|
/// The dispatch function's context.
|
|
///
|
|
typedef struct {
|
|
///
|
|
/// Designates whether this handler should be invoked upon entry or exit.
|
|
///
|
|
EFI_POWER_BUTTON_PHASE Phase;
|
|
} EFI_SMM_POWER_BUTTON_REGISTER_CONTEXT;
|
|
|
|
typedef struct _EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL;
|
|
|
|
/**
|
|
Provides the parent dispatch service for a power button event.
|
|
|
|
This service registers a function (DispatchFunction) which will be called when an SMI is
|
|
generated because the power button was pressed or released, as specified by RegisterContext.
|
|
On return, DispatchHandle contains a unique handle which may be used later to unregister the
|
|
function using UnRegister().
|
|
The DispatchFunction will be called with Context set to the same value as was passed into
|
|
this function in RegisterContext and with CommBuffer and CommBufferSize set to NULL.
|
|
|
|
@param[in] This Pointer to the EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL instance.
|
|
@param[in] DispatchFunction Function to register for handler when power button is pressed or released.
|
|
@param[in] RegisterContext Pointer to the dispatch function's context. The caller fills in this context
|
|
before calling the Register() function to indicate to the Register() function
|
|
the power button SMI phase for which the dispatch function should be invoked.
|
|
@param[out] DispatchHandle Handle generated by the dispatcher to track the function instance.
|
|
|
|
@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_INVALID_PARAMETER RegisterContext is invalid. The power button input value
|
|
is not within valid range.
|
|
@retval EFI_OUT_OF_RESOURCES There is not enough memory (system or SMM) to manage this child.
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_SMM_POWER_BUTTON_REGISTER)(
|
|
IN CONST EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL *This,
|
|
IN EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction,
|
|
IN EFI_SMM_POWER_BUTTON_REGISTER_CONTEXT *RegisterContext,
|
|
OUT EFI_HANDLE *DispatchHandle
|
|
);
|
|
|
|
/**
|
|
Unregisters a power-button service.
|
|
|
|
This service removes the handler associated with DispatchHandle so that it will no longer be
|
|
called when the standby button is pressed or released.
|
|
|
|
@param[in] This Pointer to the EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL instance.
|
|
@param[in] DispatchHandle Handle of the service to remove.
|
|
|
|
@retval EFI_SUCCESS The service has been successfully removed.
|
|
@retval EFI_INVALID_PARAMETER The DispatchHandle was not valid.
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_SMM_POWER_BUTTON_UNREGISTER)(
|
|
IN CONST EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL *This,
|
|
IN EFI_HANDLE DispatchHandle
|
|
);
|
|
|
|
///
|
|
/// Interface structure for the SMM Power Button Dispatch2 Protocol.
|
|
///
|
|
/// This protocol provides the parent dispatch service for the power button SMI source generator.
|
|
///
|
|
struct _EFI_SMM_POWER_BUTTON_DISPATCH2_PROTOCOL {
|
|
EFI_SMM_POWER_BUTTON_REGISTER Register;
|
|
EFI_SMM_POWER_BUTTON_UNREGISTER UnRegister;
|
|
};
|
|
|
|
extern EFI_GUID gEfiSmmPowerButtonDispatch2ProtocolGuid;
|
|
|
|
#endif
|
|
|