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1/** @file\r
2\r
3UEFI Component Name(2) protocol implementation for SD media device driver.\r
4\r
5Copyright (c) 2013-2015 Intel Corporation.\r
6\r
7This program and the accompanying materials\r
8are licensed and made available under the terms and conditions of the BSD License\r
9which accompanies this distribution. The full text of the license may be found at\r
10http://opensource.org/licenses/bsd-license.php\r
11\r
12THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
13WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
14\r
15**/\r
16\r
17#include "SDMediaDevice.h"\r
18\r
19\r
20//\r
21// EFI Component Name Protocol\r
22//\r
23\r
24GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gSDMediaDeviceName = {\r
25 SDMediaDeviceGetDriverName,\r
26 SDMediaDeviceGetControllerName,\r
27 "eng"\r
28};\r
29\r
30//\r
31// EFI Component Name 2 Protocol\r
32//\r
33GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gSDMediaDeviceName2 = {\r
34 (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) SDMediaDeviceGetDriverName,\r
35 (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) SDMediaDeviceGetControllerName,\r
36 "en"\r
37};\r
38\r
39\r
40GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mSDMediaDeviceDriverNameTable[] = {\r
41 { "eng;en", L"UEFI MMC/SD Media Device Driver" },\r
42 { NULL, NULL }\r
43};\r
44\r
45\r
46//\r
47// EFI Component Name Functions\r
48//\r
49\r
50/**\r
51 Retrieves a Unicode string that is the user readable name of the driver.\r
52\r
53 This function retrieves the user readable name of a driver in the form of a\r
54 Unicode string. If the driver specified by This has a user readable name in\r
55 the language specified by Language, then a pointer to the driver name is\r
56 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r
57 by This does not support the language specified by Language,\r
58 then EFI_UNSUPPORTED is returned.\r
59\r
60 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
61 EFI_COMPONENT_NAME_PROTOCOL instance.\r
62\r
63 @param Language[in] A pointer to a Null-terminated ASCII string\r
64 array indicating the language. This is the\r
65 language of the driver name that the caller is\r
66 requesting, and it must match one of the\r
67 languages specified in SupportedLanguages. The\r
68 number of languages supported by a driver is up\r
69 to the driver writer. Language is specified\r
70 in RFC 3066 or ISO 639-2 language code format.\r
71\r
72 @param DriverName[out] A pointer to the Unicode string to return.\r
73 This Unicode string is the name of the\r
74 driver specified by This in the language\r
75 specified by Language.\r
76\r
77 @retval EFI_SUCCESS The Unicode string for the Driver specified by\r
78 This and the language specified by Language was\r
79 returned in DriverName.\r
80\r
81 @retval EFI_INVALID_PARAMETER Language is NULL.\r
82\r
83 @retval EFI_INVALID_PARAMETER DriverName is NULL.\r
84\r
85 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
86 the language specified by Language.\r
87\r
88**/\r
89EFI_STATUS\r
90EFIAPI\r
91SDMediaDeviceGetDriverName (\r
92 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
93 IN CHAR8 *Language,\r
94 OUT CHAR16 **DriverName\r
95 )\r
96{\r
97 return LookupUnicodeString2 (\r
98 Language,\r
99 This->SupportedLanguages,\r
100 mSDMediaDeviceDriverNameTable,\r
101 DriverName,\r
102 (BOOLEAN)(This == &gSDMediaDeviceName)\r
103 );\r
104}\r
105\r
106/**\r
107 Retrieves a Unicode string that is the user readable name of the controller\r
108 that is being managed by a driver.\r
109\r
110 This function retrieves the user readable name of the controller specified by\r
111 ControllerHandle and ChildHandle in the form of a Unicode string. If the\r
112 driver specified by This has a user readable name in the language specified by\r
113 Language, then a pointer to the controller name is returned in ControllerName,\r
114 and EFI_SUCCESS is returned. If the driver specified by This is not currently\r
115 managing the controller specified by ControllerHandle and ChildHandle,\r
116 then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r
117 support the language specified by Language, then EFI_UNSUPPORTED is returned.\r
118\r
119 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r
120 EFI_COMPONENT_NAME_PROTOCOL instance.\r
121\r
122 @param ControllerHandle[in] The handle of a controller that the driver\r
123 specified by This is managing. This handle\r
124 specifies the controller whose name is to be\r
125 returned.\r
126\r
127 @param ChildHandle[in] The handle of the child controller to retrieve\r
128 the name of. This is an optional parameter that\r
129 may be NULL. It will be NULL for device\r
130 drivers. It will also be NULL for a bus drivers\r
131 that wish to retrieve the name of the bus\r
132 controller. It will not be NULL for a bus\r
133 driver that wishes to retrieve the name of a\r
134 child controller.\r
135\r
136 @param Language[in] A pointer to a Null-terminated ASCII string\r
137 array indicating the language. This is the\r
138 language of the driver name that the caller is\r
139 requesting, and it must match one of the\r
140 languages specified in SupportedLanguages. The\r
141 number of languages supported by a driver is up\r
142 to the driver writer. Language is specified in\r
143 RFC 3066 or ISO 639-2 language code format.\r
144\r
145 @param ControllerName[out] A pointer to the Unicode string to return.\r
146 This Unicode string is the name of the\r
147 controller specified by ControllerHandle and\r
148 ChildHandle in the language specified by\r
149 Language from the point of view of the driver\r
150 specified by This.\r
151\r
152 @retval EFI_SUCCESS The Unicode string for the user readable name in\r
153 the language specified by Language for the\r
154 driver specified by This was returned in\r
155 DriverName.\r
156\r
157 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r
158\r
159 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r
160 EFI_HANDLE.\r
161\r
162 @retval EFI_INVALID_PARAMETER Language is NULL.\r
163\r
164 @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r
165\r
166 @retval EFI_UNSUPPORTED The driver specified by This is not currently\r
167 managing the controller specified by\r
168 ControllerHandle and ChildHandle.\r
169\r
170 @retval EFI_UNSUPPORTED The driver specified by This does not support\r
171 the language specified by Language.\r
172\r
173**/\r
174EFI_STATUS\r
175EFIAPI\r
176SDMediaDeviceGetControllerName (\r
177 IN EFI_COMPONENT_NAME_PROTOCOL *This,\r
178 IN EFI_HANDLE ControllerHandle,\r
179 IN EFI_HANDLE ChildHandle OPTIONAL,\r
180 IN CHAR8 *Language,\r
181 OUT CHAR16 **ControllerName\r
182 )\r
183{\r
184 EFI_STATUS Status;\r
185 EFI_BLOCK_IO_PROTOCOL *BlockIo;\r
186 CARD_DATA *CardData;\r
187\r
188 //\r
189 // This is a device driver, so ChildHandle must be NULL.\r
190 //\r
191 if (ChildHandle != NULL) {\r
192 return EFI_UNSUPPORTED;\r
193 }\r
194\r
195 //\r
196 // Get the device context\r
197 //\r
198 Status = gBS->OpenProtocol (\r
199 ControllerHandle,\r
200 &gEfiBlockIoProtocolGuid,\r
201 (VOID **) &BlockIo,\r
202 gSDMediaDeviceDriverBinding.DriverBindingHandle,\r
203 ControllerHandle,\r
204 EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
205 );\r
206\r
207 if (EFI_ERROR (Status)) {\r
208 return Status;\r
209 }\r
210\r
211 CardData = CARD_DATA_FROM_THIS (BlockIo);\r
212\r
213 return LookupUnicodeString2 (\r
214 Language,\r
215 This->SupportedLanguages,\r
216 CardData->ControllerNameTable,\r
217 ControllerName,\r
218 (BOOLEAN)(This == &gSDMediaDeviceName)\r
219 );\r
220\r
221}\r