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/** @file
Copyright (c) 2016-2017, Linaro Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __HARDWARE_INTERRUPT2_H__
#define __HARDWARE_INTERRUPT2_H__
#include <Protocol/HardwareInterrupt.h>
// 22838932-1a2d-4a47-aaba-f3f7cf569470
#define EFI_HARDWARE_INTERRUPT2_PROTOCOL_GUID \
{ 0x32898322, 0x2d1a, 0x474a, \
{ 0xba, 0xaa, 0xf3, 0xf7, 0xcf, 0x56, 0x94, 0x70 } }
typedef enum {
EFI_HARDWARE_INTERRUPT2_TRIGGER_LEVEL_LOW,
EFI_HARDWARE_INTERRUPT2_TRIGGER_LEVEL_HIGH,
EFI_HARDWARE_INTERRUPT2_TRIGGER_EDGE_FALLING,
EFI_HARDWARE_INTERRUPT2_TRIGGER_EDGE_RISING,
} EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE;
typedef struct _EFI_HARDWARE_INTERRUPT2_PROTOCOL \
EFI_HARDWARE_INTERRUPT2_PROTOCOL;
/**
Register Handler for the specified interrupt source.
@param This Instance pointer for this protocol
@param Source Hardware source of the interrupt
@param Handler Callback for interrupt. NULL to unregister
@retval EFI_SUCCESS Source was updated to support Handler.
@retval EFI_DEVICE_ERROR Hardware could not be programmed.
**/
typedef
EFI_STATUS
(EFIAPI *HARDWARE_INTERRUPT2_REGISTER) (
IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
IN HARDWARE_INTERRUPT_SOURCE Source,
IN HARDWARE_INTERRUPT_HANDLER Handler
);
/**
Enable interrupt source Source.
@param This Instance pointer for this protocol
@param Source Hardware source of the interrupt
@retval EFI_SUCCESS Source interrupt enabled.
@retval EFI_DEVICE_ERROR Hardware could not be programmed.
**/
typedef
EFI_STATUS
(EFIAPI *HARDWARE_INTERRUPT2_ENABLE) (
IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
IN HARDWARE_INTERRUPT_SOURCE Source
);
/**
Disable interrupt source Source.
@param This Instance pointer for this protocol
@param Source Hardware source of the interrupt
@retval EFI_SUCCESS Source interrupt disabled.
@retval EFI_DEVICE_ERROR Hardware could not be programmed.
**/
typedef
EFI_STATUS
(EFIAPI *HARDWARE_INTERRUPT2_DISABLE) (
IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
IN HARDWARE_INTERRUPT_SOURCE Source
);
/**
Return current state of interrupt source Source.
@param This Instance pointer for this protocol
@param Source Hardware source of the interrupt
@param InterruptState TRUE: source enabled, FALSE: source disabled.
@retval EFI_SUCCESS InterruptState is valid
@retval EFI_DEVICE_ERROR InterruptState is not valid
**/
typedef
EFI_STATUS
(EFIAPI *HARDWARE_INTERRUPT2_INTERRUPT_STATE) (
IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
IN HARDWARE_INTERRUPT_SOURCE Source,
IN BOOLEAN *InterruptState
);
/**
Signal to the hardware that the End Of Interrupt state
has been reached.
@param This Instance pointer for this protocol
@param Source Hardware source of the interrupt
@retval EFI_SUCCESS Source interrupt EOI'ed.
@retval EFI_DEVICE_ERROR Hardware could not be programmed.
**/
typedef
EFI_STATUS
(EFIAPI *HARDWARE_INTERRUPT2_END_OF_INTERRUPT) (
IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
IN HARDWARE_INTERRUPT_SOURCE Source
);
/**
Return the configured trigger type for an interrupt source
@param This Instance pointer for this protocol
@param Source Hardware source of the interrupt
@param TriggerType The configured trigger type
@retval EFI_SUCCESS Operation successful
@retval EFI_DEVICE_ERROR Information could not be returned
**/
typedef
EFI_STATUS
(EFIAPI *HARDWARE_INTERRUPT2_GET_TRIGGER_TYPE) (
IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
IN HARDWARE_INTERRUPT_SOURCE Source,
OUT EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE *TriggerType
);
/**
Configure the trigger type for an interrupt source
@param This Instance pointer for this protocol
@param Source Hardware source of the interrupt
@param TriggerType The trigger type to configure
@retval EFI_SUCCESS Operation successful
@retval EFI_DEVICE_ERROR Hardware could not be programmed.
**/
typedef
EFI_STATUS
(EFIAPI *HARDWARE_INTERRUPT2_SET_TRIGGER_TYPE) (
IN EFI_HARDWARE_INTERRUPT2_PROTOCOL *This,
IN HARDWARE_INTERRUPT_SOURCE Source,
IN EFI_HARDWARE_INTERRUPT2_TRIGGER_TYPE TriggerType
);
struct _EFI_HARDWARE_INTERRUPT2_PROTOCOL {
HARDWARE_INTERRUPT2_REGISTER RegisterInterruptSource;
HARDWARE_INTERRUPT2_ENABLE EnableInterruptSource;
HARDWARE_INTERRUPT2_DISABLE DisableInterruptSource;
HARDWARE_INTERRUPT2_INTERRUPT_STATE GetInterruptSourceState;
HARDWARE_INTERRUPT2_END_OF_INTERRUPT EndOfInterrupt;
// v2 members
HARDWARE_INTERRUPT2_GET_TRIGGER_TYPE GetTriggerType;
HARDWARE_INTERRUPT2_SET_TRIGGER_TYPE SetTriggerType;
};
extern EFI_GUID gHardwareInterrupt2ProtocolGuid;
#endif
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