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1/*++\r
2\r
3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r
4 \r\r
5 This program and the accompanying materials are licensed and made available under\r\r
6 the terms and conditions of the BSD License that accompanies this distribution. \r\r
7 The full text of the license may be found at \r\r
8 http://opensource.org/licenses/bsd-license.php. \r\r
9 \r\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r\r
12 \r\r
13\r
14Module Name:\r
15\r
16 Speaker.h\r
17\r
18Abstract:\r
19\r
20 EFI Speaker Interface Protocol\r
21\r
22Revision History\r
23\r
24**/\r
25\r
26#ifndef _EFI_SPEAKER_H\r
27#define _EFI_SPEAKER_H\r
28\r
29//\r
30// Global Id for Speaker Interface\r
31//\r
32#define EFI_SPEAKER_INTERFACE_PROTOCOL_GUID \\r
33 { \\r
34 0x400b4476, 0x3081, 0x11d6, 0x87, 0xed, 0x00, 0x06, 0x29, 0x45, 0xc3, 0xb9 \\r
35 }\r
36\r
37typedef struct _EFI_SPEAKER_IF_PROTOCOL EFI_SPEAKER_IF_PROTOCOL;\r
38\r
39//\r
40// Beep Code\r
41//\r
42typedef\r
43EFI_STATUS\r
44(EFIAPI *EFI_GENERATE_BEEP) (\r
45 IN EFI_SPEAKER_IF_PROTOCOL * This,\r
46 IN UINTN NumberOfBeep,\r
47 IN UINTN BeepDuration,\r
48 IN UINTN TimeInterval\r
49 );\r
50\r
51//\r
52// Set Frequency\r
53//\r
54typedef\r
55EFI_STATUS\r
56(EFIAPI *EFI_SPEAKER_SET_FREQUENCY) (\r
57 IN EFI_SPEAKER_IF_PROTOCOL * This,\r
58 IN UINT16 Frequency\r
59 );\r
60\r
61//\r
62// Protocol definition\r
63//\r
64struct _EFI_SPEAKER_IF_PROTOCOL {\r
65 EFI_SPEAKER_SET_FREQUENCY SetSpeakerToneFrequency;\r
66 EFI_GENERATE_BEEP GenerateBeep;\r
67} ;\r
68\r
69extern EFI_GUID gEfiSpeakerInterfaceProtocolGuid;\r
70#endif\r