mirror of https://github.com/acidanthera/audk.git
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
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/*++
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Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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Speaker.h
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Abstract:
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EFI Speaker Interface Protocol
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--*/
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#ifndef _PEI_SPEAKER_IF_H
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#define _PEI_SPEAKER_IF_H
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//
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// Global ID Speaker Interface
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//
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#define PEI_SPEAKER_INTERFACE_PPI_GUID \
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{ \
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0x30ac275e, 0xbb30, 0x4b84, 0xa1, 0xcd, 0x0a, 0xf1, 0x32, 0x2c, 0x89, 0xc0 \
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}
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typedef struct _PEI_SPEAKER_IF_PPI PEI_SPEAKER_IF_PPI;
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//
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// Beep Code
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//
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SPEAKER_GENERATE_BEEP) (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN UINTN NumberOfBeep,
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IN UINTN BeepDuration,
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IN UINTN TimeInterval
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);
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//
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// Set Frequency
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//
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typedef
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EFI_STATUS
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(EFIAPI *EFI_SPEAKER_SET_FREQUENCY) (
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IN CONST EFI_PEI_SERVICES **PeiServices,
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IN UINT16 Frequency
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);
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//
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// Protocol definition
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//
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typedef struct _PEI_SPEAKER_IF_PPI {
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EFI_SPEAKER_SET_FREQUENCY SetSpeakerToneFrequency;
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EFI_SPEAKER_GENERATE_BEEP GenerateBeep;
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} PEI_SPEAKER_IF_PPI;
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extern EFI_GUID gPeiSpeakerInterfacePpiGuid;
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#endif
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