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1/** @file\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\r
17 LegacySpeaker.c\r
18\r
19Abstract:\r
20\r
21 This file implements PEIM for Legacy Speaker. This file is valid for platforms both\r
22 on IA32 and Itanium Product Family\r
23\r
24--*/\r
25\r
26#include "PlatformEarlyInit.h"\r
27\r
28EFI_STATUS\r
29OutputBeep (\r
30 IN CONST EFI_PEI_SERVICES **PeiServices,\r
31 IN UINTN NumberOfBeep,\r
32 IN UINTN BeepDuration,\r
33 IN UINTN TimerInterval\r
34 );\r
35\r
36/**\r
37 This function will enable the speaker to generate beep\r
38\r
39 @param PeiServices PeiServices to locate PPI\r
40\r
41 @retval EFI_STATUS\r
42\r
43**/\r
44EFI_STATUS\r
45TurnOnSpeaker (\r
46 IN CONST EFI_PEI_SERVICES **PeiServices\r
47 )\r
48{\r
49 UINT8 Data;\r
50 Data = IoRead8 (EFI_SPEAKER_CONTROL_PORT);\r
51 Data |= 0x03;\r
52 IoWrite8(EFI_SPEAKER_CONTROL_PORT, Data);\r
53 return EFI_SUCCESS;\r
54}\r
55\r
56/**\r
57 This function will stop beep from speaker.\r
58\r
59 @param PeiServices PeiServices to locate PPI\r
60\r
61 @retval Status\r
62\r
63**/\r
64EFI_STATUS\r
65TurnOffSpeaker (\r
66 IN CONST EFI_PEI_SERVICES **PeiServices\r
67 )\r
68{\r
69 UINT8 Data;\r
70\r
71 Data = IoRead8 (EFI_SPEAKER_CONTROL_PORT);\r
72 Data &= 0xFC;\r
73 IoWrite8(EFI_SPEAKER_CONTROL_PORT, Data);\r
74 return EFI_SUCCESS;\r
75}\r
76\r
77\r
78EFI_STATUS\r
79OutputBeep (\r
80 IN CONST EFI_PEI_SERVICES **PeiServices,\r
81 IN UINTN NumberOfBeep,\r
82 IN UINTN BeepDuration,\r
83 IN UINTN TimeInterval\r
84 )\r
85{\r
86 UINTN Num;\r
87 EFI_PEI_STALL_PPI* StallPpi;\r
88\r
89 (**PeiServices).LocatePpi (PeiServices, &gEfiPeiStallPpiGuid, 0, NULL, (void **)&StallPpi);\r
90\r
91 for (Num=0; Num < NumberOfBeep; Num++) {\r
92 TurnOnSpeaker (PeiServices);\r
93 StallPpi->Stall(PeiServices, StallPpi, BeepDuration);\r
94 TurnOffSpeaker(PeiServices);\r
95 StallPpi->Stall(PeiServices, StallPpi, TimeInterval);\r
96 }\r
97\r
98 return EFI_SUCCESS;\r
99}\r
100\r
101/**\r
102 This function will program the speaker tone frequency. The value should be with 64k\r
103 boundary since it takes only 16 bit value which gets programmed in two step IO opearattion\r
104\r
105 Frequency - A value which should be 16 bit only.\r
106\r
107 EFI_SUCESS\r
108\r
109**/\r
110EFI_STATUS\r
111EFIAPI\r
112ProgramToneFrequency (\r
113 IN CONST EFI_PEI_SERVICES **PeiServices,\r
114 IN UINT16 Frequency\r
115 )\r
116{\r
117 UINT8 Data;\r
118\r
119 Data = 0xB6;\r
120 IoWrite8(EFI_TIMER_CONTROL_PORT, Data);\r
121\r
122 Data = (UINT8)(Frequency & 0x00FF);\r
123 IoWrite8(EFI_TIMER_2_PORT, Data);\r
124 Data = (UINT8)((Frequency & 0xFF00) >> 8);\r
125 IoWrite8(EFI_TIMER_2_PORT, Data);\r
126 return EFI_SUCCESS;\r
127}\r
128\r
129/**\r
130 This function will generate the beep for specified duration.\r
131\r
132 @param PeiServices PeiServices to locate various PPIs\r
133 @param NumberOfBeeps Number of beeps which user want to produce\r
134 @param BeepDuration Duration for speaker gate need to be enabled\r
135 @param TimeInterval Interval between each beep\r
136\r
137 @retval EFI_STATUS\r
138\r
139**/\r
140EFI_STATUS\r
141EFIAPI\r
142GenerateBeepTone (\r
143 IN CONST EFI_PEI_SERVICES **PeiServices,\r
144 IN UINTN NumberOfBeeps,\r
145 IN UINTN BeepDuration,\r
146 IN UINTN TimeInterval\r
147 )\r
148{\r
149\r
150 if ((NumberOfBeeps == 1) && (BeepDuration == 0) && (TimeInterval == 0)) {\r
151 TurnOnSpeaker (PeiServices);\r
152 return EFI_SUCCESS;\r
153 }\r
154\r
155 if ((NumberOfBeeps == 0) && (BeepDuration == 0) && (TimeInterval == 0)) {\r
156 TurnOffSpeaker (PeiServices);\r
157 return EFI_SUCCESS;\r
158 }\r
159\r
160 if (BeepDuration == 0) {\r
161 BeepDuration = EFI_DEFAULT_SHORT_BEEP_DURATION;\r
162 }\r
163\r
164 if (TimeInterval == 0) {\r
165 TimeInterval = EFI_DEFAULT_BEEP_TIME_INTERVAL;\r
166 }\r
167\r
168 OutputBeep (PeiServices, NumberOfBeeps, BeepDuration, TimeInterval);\r
169 return EFI_SUCCESS;\r
170\r
171\r
172}\r
173\r