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1 /** @file
2 
3 Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
4 
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions
7 of the BSD License which accompanies this distribution.  The
8 full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10 
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 
14 **/
15 
16 #include "BiosVideo.h"
17 
18 //
19 // EFI Component Name Functions
20 //
21 /**
22   Retrieves a Unicode string that is the user readable name of the driver.
23 
24   This function retrieves the user readable name of a driver in the form of a
25   Unicode string. If the driver specified by This has a user readable name in
26   the language specified by Language, then a pointer to the driver name is
27   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
28   by This does not support the language specified by Language,
29   then EFI_UNSUPPORTED is returned.
30 
31   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
32                                 EFI_COMPONENT_NAME_PROTOCOL instance.
33 
34   @param  Language[in]          A pointer to a Null-terminated ASCII string
35                                 array indicating the language. This is the
36                                 language of the driver name that the caller is
37                                 requesting, and it must match one of the
38                                 languages specified in SupportedLanguages. The
39                                 number of languages supported by a driver is up
40                                 to the driver writer. Language is specified
41                                 in RFC 4646 or ISO 639-2 language code format.
42 
43   @param  DriverName[out]       A pointer to the Unicode string to return.
44                                 This Unicode string is the name of the
45                                 driver specified by This in the language
46                                 specified by Language.
47 
48   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
49                                 This and the language specified by Language was
50                                 returned in DriverName.
51 
52   @retval EFI_INVALID_PARAMETER Language is NULL.
53 
54   @retval EFI_INVALID_PARAMETER DriverName is NULL.
55 
56   @retval EFI_UNSUPPORTED       The driver specified by This does not support
57                                 the language specified by Language.
58 
59 **/
60 EFI_STATUS
61 EFIAPI
62 BiosVideoComponentNameGetDriverName (
63   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
64   IN  CHAR8                        *Language,
65   OUT CHAR16                       **DriverName
66   );
67 
68 
69 /**
70   Retrieves a Unicode string that is the user readable name of the controller
71   that is being managed by a driver.
72 
73   This function retrieves the user readable name of the controller specified by
74   ControllerHandle and ChildHandle in the form of a Unicode string. If the
75   driver specified by This has a user readable name in the language specified by
76   Language, then a pointer to the controller name is returned in ControllerName,
77   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
78   managing the controller specified by ControllerHandle and ChildHandle,
79   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
80   support the language specified by Language, then EFI_UNSUPPORTED is returned.
81 
82   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
83                                 EFI_COMPONENT_NAME_PROTOCOL instance.
84 
85   @param  ControllerHandle[in]  The handle of a controller that the driver
86                                 specified by This is managing.  This handle
87                                 specifies the controller whose name is to be
88                                 returned.
89 
90   @param  ChildHandle[in]       The handle of the child controller to retrieve
91                                 the name of.  This is an optional parameter that
92                                 may be NULL.  It will be NULL for device
93                                 drivers.  It will also be NULL for a bus drivers
94                                 that wish to retrieve the name of the bus
95                                 controller.  It will not be NULL for a bus
96                                 driver that wishes to retrieve the name of a
97                                 child controller.
98 
99   @param  Language[in]          A pointer to a Null-terminated ASCII string
100                                 array indicating the language.  This is the
101                                 language of the driver name that the caller is
102                                 requesting, and it must match one of the
103                                 languages specified in SupportedLanguages. The
104                                 number of languages supported by a driver is up
105                                 to the driver writer. Language is specified in
106                                 RFC 4646 or ISO 639-2 language code format.
107 
108   @param  ControllerName[out]   A pointer to the Unicode string to return.
109                                 This Unicode string is the name of the
110                                 controller specified by ControllerHandle and
111                                 ChildHandle in the language specified by
112                                 Language from the point of view of the driver
113                                 specified by This.
114 
115   @retval EFI_SUCCESS           The Unicode string for the user readable name in
116                                 the language specified by Language for the
117                                 driver specified by This was returned in
118                                 DriverName.
119 
120   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
121 
122   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
123                                 EFI_HANDLE.
124 
125   @retval EFI_INVALID_PARAMETER Language is NULL.
126 
127   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
128 
129   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
130                                 managing the controller specified by
131                                 ControllerHandle and ChildHandle.
132 
133   @retval EFI_UNSUPPORTED       The driver specified by This does not support
134                                 the language specified by Language.
135 
136 **/
137 EFI_STATUS
138 EFIAPI
139 BiosVideoComponentNameGetControllerName (
140   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
141   IN  EFI_HANDLE                                      ControllerHandle,
142   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
143   IN  CHAR8                                           *Language,
144   OUT CHAR16                                          **ControllerName
145   );
146 
147 
148 //
149 // EFI Component Name Protocol
150 //
151 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  gBiosVideoComponentName = {
152   BiosVideoComponentNameGetDriverName,
153   BiosVideoComponentNameGetControllerName,
154   "eng"
155 };
156 
157 //
158 // EFI Component Name 2 Protocol
159 //
160 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2 = {
161   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) BiosVideoComponentNameGetDriverName,
162   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) BiosVideoComponentNameGetControllerName,
163   "en"
164 };
165 
166 
167 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mBiosVideoDriverNameTable[] = {
168   {
169     "eng;en",
170     L"BIOS[INT10] Video Driver"
171   },
172   {
173     NULL,
174     NULL
175   }
176 };
177 
178 /**
179   Retrieves a Unicode string that is the user readable name of the driver.
180 
181   This function retrieves the user readable name of a driver in the form of a
182   Unicode string. If the driver specified by This has a user readable name in
183   the language specified by Language, then a pointer to the driver name is
184   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
185   by This does not support the language specified by Language,
186   then EFI_UNSUPPORTED is returned.
187 
188   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
189                                 EFI_COMPONENT_NAME_PROTOCOL instance.
190 
191   @param  Language[in]          A pointer to a Null-terminated ASCII string
192                                 array indicating the language. This is the
193                                 language of the driver name that the caller is
194                                 requesting, and it must match one of the
195                                 languages specified in SupportedLanguages. The
196                                 number of languages supported by a driver is up
197                                 to the driver writer. Language is specified
198                                 in RFC 4646 or ISO 639-2 language code format.
199 
200   @param  DriverName[out]       A pointer to the Unicode string to return.
201                                 This Unicode string is the name of the
202                                 driver specified by This in the language
203                                 specified by Language.
204 
205   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
206                                 This and the language specified by Language was
207                                 returned in DriverName.
208 
209   @retval EFI_INVALID_PARAMETER Language is NULL.
210 
211   @retval EFI_INVALID_PARAMETER DriverName is NULL.
212 
213   @retval EFI_UNSUPPORTED       The driver specified by This does not support
214                                 the language specified by Language.
215 
216 **/
217 EFI_STATUS
218 EFIAPI
BiosVideoComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)219 BiosVideoComponentNameGetDriverName (
220   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
221   IN  CHAR8                        *Language,
222   OUT CHAR16                       **DriverName
223   )
224 {
225   return LookupUnicodeString2 (
226            Language,
227            This->SupportedLanguages,
228            mBiosVideoDriverNameTable,
229            DriverName,
230            (BOOLEAN)(This == &gBiosVideoComponentName)
231            );
232 }
233 
234 /**
235   Retrieves a Unicode string that is the user readable name of the controller
236   that is being managed by a driver.
237 
238   This function retrieves the user readable name of the controller specified by
239   ControllerHandle and ChildHandle in the form of a Unicode string. If the
240   driver specified by This has a user readable name in the language specified by
241   Language, then a pointer to the controller name is returned in ControllerName,
242   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
243   managing the controller specified by ControllerHandle and ChildHandle,
244   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
245   support the language specified by Language, then EFI_UNSUPPORTED is returned.
246 
247   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
248                                 EFI_COMPONENT_NAME_PROTOCOL instance.
249 
250   @param  ControllerHandle[in]  The handle of a controller that the driver
251                                 specified by This is managing.  This handle
252                                 specifies the controller whose name is to be
253                                 returned.
254 
255   @param  ChildHandle[in]       The handle of the child controller to retrieve
256                                 the name of.  This is an optional parameter that
257                                 may be NULL.  It will be NULL for device
258                                 drivers.  It will also be NULL for a bus drivers
259                                 that wish to retrieve the name of the bus
260                                 controller.  It will not be NULL for a bus
261                                 driver that wishes to retrieve the name of a
262                                 child controller.
263 
264   @param  Language[in]          A pointer to a Null-terminated ASCII string
265                                 array indicating the language.  This is the
266                                 language of the driver name that the caller is
267                                 requesting, and it must match one of the
268                                 languages specified in SupportedLanguages. The
269                                 number of languages supported by a driver is up
270                                 to the driver writer. Language is specified in
271                                 RFC 4646 or ISO 639-2 language code format.
272 
273   @param  ControllerName[out]   A pointer to the Unicode string to return.
274                                 This Unicode string is the name of the
275                                 controller specified by ControllerHandle and
276                                 ChildHandle in the language specified by
277                                 Language from the point of view of the driver
278                                 specified by This.
279 
280   @retval EFI_SUCCESS           The Unicode string for the user readable name in
281                                 the language specified by Language for the
282                                 driver specified by This was returned in
283                                 DriverName.
284 
285   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
286 
287   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
288                                 EFI_HANDLE.
289 
290   @retval EFI_INVALID_PARAMETER Language is NULL.
291 
292   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
293 
294   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
295                                 managing the controller specified by
296                                 ControllerHandle and ChildHandle.
297 
298   @retval EFI_UNSUPPORTED       The driver specified by This does not support
299                                 the language specified by Language.
300 
301 **/
302 EFI_STATUS
303 EFIAPI
BiosVideoComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)304 BiosVideoComponentNameGetControllerName (
305   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
306   IN  EFI_HANDLE                                      ControllerHandle,
307   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
308   IN  CHAR8                                           *Language,
309   OUT CHAR16                                          **ControllerName
310   )
311 {
312   return EFI_UNSUPPORTED;
313 }
314