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/*++
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
Module Name:
Speaker.h
Abstract:
EFI Speaker Interface Protocol
--*/
#ifndef _PEI_SPEAKER_IF_H
#define _PEI_SPEAKER_IF_H
//
// Global ID Speaker Interface
//
#define PEI_SPEAKER_INTERFACE_PPI_GUID \
{ \
0x30ac275e, 0xbb30, 0x4b84, 0xa1, 0xcd, 0x0a, 0xf1, 0x32, 0x2c, 0x89, 0xc0 \
}
typedef struct _PEI_SPEAKER_IF_PPI PEI_SPEAKER_IF_PPI;
//
// Beep Code
//
typedef
EFI_STATUS
(EFIAPI *EFI_SPEAKER_GENERATE_BEEP) (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN UINTN NumberOfBeep,
IN UINTN BeepDuration,
IN UINTN TimeInterval
);
//
// Set Frequency
//
typedef
EFI_STATUS
(EFIAPI *EFI_SPEAKER_SET_FREQUENCY) (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN UINT16 Frequency
);
//
// Protocol definition
//
typedef struct _PEI_SPEAKER_IF_PPI {
EFI_SPEAKER_SET_FREQUENCY SetSpeakerToneFrequency;
EFI_SPEAKER_GENERATE_BEEP GenerateBeep;
} PEI_SPEAKER_IF_PPI;
extern EFI_GUID gPeiSpeakerInterfacePpiGuid;
#endif
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