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- /*++
- Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
- Module Name:
- LegacySpeaker.h
- Abstract:
- Speaker enabling related data
- --*/
- #ifndef _DXE_LEGACY_SPEAKER_H
- #define _DXE_LEGACY_SPEAKER_H
- #include "PlatformDxe.h"
- //
- // Speaker Related Port Information
- //
- #define EFI_TIMER_COUNTER_PORT 0x40
- #define EFI_TIMER_CONTROL_PORT 0x43
- #define EFI_TIMER_2_PORT 0x42
- #define EFI_SPEAKER_CONTROL_PORT 0x61
- #define EFI_SPEAKER_OFF_MASK 0xFC
- #define EFI_DEFAULT_BEEP_FREQUENCY 0x500
- //
- // Default Intervals/Beep Duration
- //
- #define EFI_DEFAULT_LONG_BEEP_DURATION 0x70000
- #define EFI_DEFAULT_SHORT_BEEP_DURATION 0x50000
- #define EFI_DEFAULT_BEEP_TIME_INTERVAL 0x20000
- EFI_STATUS
- EFIAPI
- ProgramToneFrequency (
- IN EFI_SPEAKER_IF_PROTOCOL * This,
- IN UINT16 Frequency
- );
- EFI_STATUS
- EFIAPI
- GenerateBeepTone (
- IN EFI_SPEAKER_IF_PROTOCOL * This,
- IN UINTN NumberOfBeeps,
- IN UINTN BeepDuration,
- IN UINTN TimeInterval
- );
- EFI_STATUS
- TurnOnSpeaker (
- );
- EFI_STATUS
- TurnOffSpeaker (
- );
- #endif
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