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[mirror_edk2.git] / MdeModulePkg / Bus / Isa / Ps2MouseDxe / ComponentName.c
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1/** @file\r
2 UEFI Component Name(2) protocol implementation for Ps2MouseDxe driver.\r
3\r
4Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
9d510e61 5SPDX-License-Identifier: BSD-2-Clause-Patent\r
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6\r
7**/\r
8\r
9#include "Ps2Mouse.h"\r
10\r
11//\r
12// EFI Component Name Protocol\r
13//\r
14GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gPs2MouseComponentName = {\r
15 Ps2MouseComponentNameGetDriverName,\r
16 Ps2MouseComponentNameGetControllerName,\r
17 "eng"\r
18};\r
19\r
20//\r
21// EFI Component Name 2 Protocol\r
22//\r
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23GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gPs2MouseComponentName2 = {\r
24 (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)Ps2MouseComponentNameGetDriverName,\r
25 (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)Ps2MouseComponentNameGetControllerName,\r
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26 "en"\r
27};\r
28\r
1436aea4 29GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mPs2MouseDriverNameTable[] = {\r
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30 {\r
31 "eng;en",\r
32 L"PS/2 Mouse Driver"\r
33 },\r
34 {\r
35 NULL,\r
36 NULL\r
37 }\r
38};\r
39\r
40/**\r
41 Retrieves a Unicode string that is the user readable name of the driver.\r
42\r
43 This function retrieves the user readable name of a driver in the form of a\r
44 Unicode string. If the driver specified by This has a user readable name in\r
45 the language specified by Language, then a pointer to the driver name is\r
46 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
47 by This does not support the language specified by Language,\r
48 then EFI_UNSUPPORTED is returned.\r
49\r
50 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
51 EFI_COMPONENT_NAME_PROTOCOL instance.\r
52\r
53 @param Language[in] A pointer to a Null-terminated ASCII string\r
54 array indicating the language. This is the\r
55 language of the driver name that the caller is\r
56 requesting, and it must match one of the\r
57 languages specified in SupportedLanguages. The\r
58 number of languages supported by a driver is up\r
59 to the driver writer. Language is specified\r
60 in RFC 4646 or ISO 639-2 language code format.\r
61\r
62 @param DriverName[out] A pointer to the Unicode string to return.\r
63 This Unicode string is the name of the\r
64 driver specified by This in the language\r
65 specified by Language.\r
66\r
67 @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
68 This and the language specified by Language was\r
69 returned in DriverName.\r
70\r
71 @retval EFI_INVALID_PARAMETER Language is NULL.\r
72\r
73 @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
74\r
75 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
76 the language specified by Language.\r
77\r
78**/\r
79EFI_STATUS\r
80EFIAPI\r
81Ps2MouseComponentNameGetDriverName (\r
82 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
83 IN CHAR8 *Language,\r
84 OUT CHAR16 **DriverName\r
85 )\r
86{\r
87 return LookupUnicodeString2 (\r
88 Language,\r
89 This->SupportedLanguages,\r
90 mPs2MouseDriverNameTable,\r
91 DriverName,\r
92 (BOOLEAN)(This == &gPs2MouseComponentName)\r
93 );\r
94}\r
95\r
96/**\r
97 Retrieves a Unicode string that is the user readable name of the controller\r
98 that is being managed by a driver.\r
99\r
100 This function retrieves the user readable name of the controller specified by\r
101 ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
102 driver specified by This has a user readable name in the language specified by\r
103 Language, then a pointer to the controller name is returned in ControllerName,\r
104 and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
105 managing the controller specified by ControllerHandle and ChildHandle,\r
106 then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
107 support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
108\r
109 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
110 EFI_COMPONENT_NAME_PROTOCOL instance.\r
111\r
112 @param ControllerHandle[in] The handle of a controller that the driver\r
113 specified by This is managing. This handle\r
114 specifies the controller whose name is to be\r
115 returned.\r
116\r
117 @param ChildHandle[in] The handle of the child controller to retrieve\r
118 the name of. This is an optional parameter that\r
119 may be NULL. It will be NULL for device\r
120 drivers. It will also be NULL for a bus drivers\r
121 that wish to retrieve the name of the bus\r
122 controller. It will not be NULL for a bus\r
123 driver that wishes to retrieve the name of a\r
124 child controller.\r
125\r
126 @param Language[in] A pointer to a Null-terminated ASCII string\r
127 array indicating the language. This is the\r
128 language of the driver name that the caller is\r
129 requesting, and it must match one of the\r
130 languages specified in SupportedLanguages. The\r
131 number of languages supported by a driver is up\r
132 to the driver writer. Language is specified in\r
133 RFC 4646 or ISO 639-2 language code format.\r
134\r
135 @param ControllerName[out] A pointer to the Unicode string to return.\r
136 This Unicode string is the name of the\r
137 controller specified by ControllerHandle and\r
138 ChildHandle in the language specified by\r
139 Language from the point of view of the driver\r
140 specified by This.\r
141\r
142 @retval EFI_SUCCESS The Unicode string for the user readable name in\r
143 the language specified by Language for the\r
144 driver specified by This was returned in\r
145 DriverName.\r
146\r
147 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
148\r
149 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
150 EFI_HANDLE.\r
151\r
152 @retval EFI_INVALID_PARAMETER Language is NULL.\r
153\r
154 @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
155\r
156 @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
157 managing the controller specified by\r
158 ControllerHandle and ChildHandle.\r
159\r
160 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
161 the language specified by Language.\r
162\r
163**/\r
164EFI_STATUS\r
165EFIAPI\r
166Ps2MouseComponentNameGetControllerName (\r
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167 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
168 IN EFI_HANDLE ControllerHandle,\r
169 IN EFI_HANDLE ChildHandle OPTIONAL,\r
170 IN CHAR8 *Language,\r
171 OUT CHAR16 **ControllerName\r
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172 )\r
173{\r
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174 EFI_STATUS Status;\r
175 EFI_SIMPLE_POINTER_PROTOCOL *SimplePointerProtocol;\r
176 PS2_MOUSE_DEV *MouseDev;\r
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177\r
178 //\r
179 // This is a device driver, so ChildHandle must be NULL.\r
180 //\r
181 if (ChildHandle != NULL) {\r
182 return EFI_UNSUPPORTED;\r
183 }\r
1436aea4 184\r
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185 //\r
186 // Check Controller's handle\r
187 //\r
188 Status = EfiTestManagedDevice (ControllerHandle, gPS2MouseDriver.DriverBindingHandle, &gEfiSioProtocolGuid);\r
189\r
190 if (EFI_ERROR (Status)) {\r
191 return Status;\r
192 }\r
1436aea4 193\r
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194 //\r
195 // Get the device context\r
196 //\r
197 Status = gBS->OpenProtocol (\r
198 ControllerHandle,\r
199 &gEfiSimplePointerProtocolGuid,\r
1436aea4 200 (VOID **)&SimplePointerProtocol,\r
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201 gPS2MouseDriver.DriverBindingHandle,\r
202 ControllerHandle,\r
203 EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
204 );\r
205 if (EFI_ERROR (Status)) {\r
206 return Status;\r
207 }\r
208\r
209 MouseDev = PS2_MOUSE_DEV_FROM_THIS (SimplePointerProtocol);\r
210\r
211 return LookupUnicodeString2 (\r
212 Language,\r
213 This->SupportedLanguages,\r
214 MouseDev->ControllerNameTable,\r
215 ControllerName,\r
216 (BOOLEAN)(This == &gPs2MouseComponentName)\r
217 );\r
218}\r