1 /** @file
2 
3   UEFI Component Name(2) protocol implementation for Usb Bus driver.
4 
5 Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution.  The 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 
17 #include <Uefi.h>
18 
19 
20 #include <Library/UefiLib.h>
21 
22 
23 /**
24   Retrieves a Unicode string that is the user readable name of the driver.
25 
26   This function retrieves the user readable name of a driver in the form of a
27   Unicode string. If the driver specified by This has a user readable name in
28   the language specified by Language, then a pointer to the driver name is
29   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
30   by This does not support the language specified by Language,
31   then EFI_UNSUPPORTED is returned.
32 
33   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
34                                 EFI_COMPONENT_NAME_PROTOCOL instance.
35 
36   @param  Language[in]          A pointer to a Null-terminated ASCII string
37                                 array indicating the language. This is the
38                                 language of the driver name that the caller is
39                                 requesting, and it must match one of the
40                                 languages specified in SupportedLanguages. The
41                                 number of languages supported by a driver is up
42                                 to the driver writer. Language is specified
43                                 in RFC 4646 or ISO 639-2 language code format.
44 
45   @param  DriverName[out]       A pointer to the Unicode string to return.
46                                 This Unicode string is the name of the
47                                 driver specified by This in the language
48                                 specified by Language.
49 
50   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
51                                 This and the language specified by Language was
52                                 returned in DriverName.
53 
54   @retval EFI_INVALID_PARAMETER Language is NULL.
55 
56   @retval EFI_INVALID_PARAMETER DriverName is NULL.
57 
58   @retval EFI_UNSUPPORTED       The driver specified by This does not support
59                                 the language specified by Language.
60 
61 **/
62 EFI_STATUS
63 EFIAPI
64 UsbBusComponentNameGetDriverName (
65   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
66   IN  CHAR8                        *Language,
67   OUT CHAR16                       **DriverName
68   );
69 
70 
71 /**
72   Retrieves a Unicode string that is the user readable name of the controller
73   that is being managed by a driver.
74 
75   This function retrieves the user readable name of the controller specified by
76   ControllerHandle and ChildHandle in the form of a Unicode string. If the
77   driver specified by This has a user readable name in the language specified by
78   Language, then a pointer to the controller name is returned in ControllerName,
79   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
80   managing the controller specified by ControllerHandle and ChildHandle,
81   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
82   support the language specified by Language, then EFI_UNSUPPORTED is returned.
83 
84   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
85                                 EFI_COMPONENT_NAME_PROTOCOL instance.
86 
87   @param  ControllerHandle[in]  The handle of a controller that the driver
88                                 specified by This is managing.  This handle
89                                 specifies the controller whose name is to be
90                                 returned.
91 
92   @param  ChildHandle[in]       The handle of the child controller to retrieve
93                                 the name of.  This is an optional parameter that
94                                 may be NULL.  It will be NULL for device
95                                 drivers.  It will also be NULL for a bus drivers
96                                 that wish to retrieve the name of the bus
97                                 controller.  It will not be NULL for a bus
98                                 driver that wishes to retrieve the name of a
99                                 child controller.
100 
101   @param  Language[in]          A pointer to a Null-terminated ASCII string
102                                 array indicating the language.  This is the
103                                 language of the driver name that the caller is
104                                 requesting, and it must match one of the
105                                 languages specified in SupportedLanguages. The
106                                 number of languages supported by a driver is up
107                                 to the driver writer. Language is specified in
108                                 RFC 4646 or ISO 639-2 language code format.
109 
110   @param  ControllerName[out]   A pointer to the Unicode string to return.
111                                 This Unicode string is the name of the
112                                 controller specified by ControllerHandle and
113                                 ChildHandle in the language specified by
114                                 Language from the point of view of the driver
115                                 specified by This.
116 
117   @retval EFI_SUCCESS           The Unicode string for the user readable name in
118                                 the language specified by Language for the
119                                 driver specified by This was returned in
120                                 DriverName.
121 
122   @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
123 
124   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
125                                 EFI_HANDLE.
126 
127   @retval EFI_INVALID_PARAMETER Language is NULL.
128 
129   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
130 
131   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
132                                 managing the controller specified by
133                                 ControllerHandle and ChildHandle.
134 
135   @retval EFI_UNSUPPORTED       The driver specified by This does not support
136                                 the language specified by Language.
137 
138 **/
139 EFI_STATUS
140 EFIAPI
141 UsbBusComponentNameGetControllerName (
142   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
143   IN  EFI_HANDLE                                      ControllerHandle,
144   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
145   IN  CHAR8                                           *Language,
146   OUT CHAR16                                          **ControllerName
147   );
148 
149 
150 //
151 // EFI Component Name Protocol
152 //
153 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL  mUsbBusComponentName = {
154   UsbBusComponentNameGetDriverName,
155   UsbBusComponentNameGetControllerName,
156   "eng"
157 };
158 
159 //
160 // EFI Component Name 2 Protocol
161 //
162 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL mUsbBusComponentName2 = {
163   (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) UsbBusComponentNameGetDriverName,
164   (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) UsbBusComponentNameGetControllerName,
165   "en"
166 };
167 
168 
169 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mUsbBusDriverNameTable[] = {
170   { "eng;en", L"Usb Bus Driver" },
171   { NULL , NULL }
172 };
173 
174 /**
175   Retrieves a Unicode string that is the user readable name of the driver.
176 
177   This function retrieves the user readable name of a driver in the form of a
178   Unicode string. If the driver specified by This has a user readable name in
179   the language specified by Language, then a pointer to the driver name is
180   returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
181   by This does not support the language specified by Language,
182   then EFI_UNSUPPORTED is returned.
183 
184   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
185                                 EFI_COMPONENT_NAME_PROTOCOL instance.
186 
187   @param  Language[in]          A pointer to a Null-terminated ASCII string
188                                 array indicating the language. This is the
189                                 language of the driver name that the caller is
190                                 requesting, and it must match one of the
191                                 languages specified in SupportedLanguages. The
192                                 number of languages supported by a driver is up
193                                 to the driver writer. Language is specified
194                                 in RFC 4646 or ISO 639-2 language code format.
195 
196   @param  DriverName[out]       A pointer to the Unicode string to return.
197                                 This Unicode string is the name of the
198                                 driver specified by This in the language
199                                 specified by Language.
200 
201   @retval EFI_SUCCESS           The Unicode string for the Driver specified by
202                                 This and the language specified by Language was
203                                 returned in DriverName.
204 
205   @retval EFI_INVALID_PARAMETER Language is NULL.
206 
207   @retval EFI_INVALID_PARAMETER DriverName is NULL.
208 
209   @retval EFI_UNSUPPORTED       The driver specified by This does not support
210                                 the language specified by Language.
211 
212 **/
213 EFI_STATUS
214 EFIAPI
UsbBusComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)215 UsbBusComponentNameGetDriverName (
216   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
217   IN  CHAR8                        *Language,
218   OUT CHAR16                       **DriverName
219   )
220 {
221   return LookupUnicodeString2 (
222            Language,
223            This->SupportedLanguages,
224            mUsbBusDriverNameTable,
225            DriverName,
226            (BOOLEAN)(This == &mUsbBusComponentName)
227            );
228 }
229 
230 /**
231   Retrieves a Unicode string that is the user readable name of the controller
232   that is being managed by a driver.
233 
234   This function retrieves the user readable name of the controller specified by
235   ControllerHandle and ChildHandle in the form of a Unicode string. If the
236   driver specified by This has a user readable name in the language specified by
237   Language, then a pointer to the controller name is returned in ControllerName,
238   and EFI_SUCCESS is returned.  If the driver specified by This is not currently
239   managing the controller specified by ControllerHandle and ChildHandle,
240   then EFI_UNSUPPORTED is returned.  If the driver specified by This does not
241   support the language specified by Language, then EFI_UNSUPPORTED is returned.
242 
243   @param  This[in]              A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
244                                 EFI_COMPONENT_NAME_PROTOCOL instance.
245 
246   @param  ControllerHandle[in]  The handle of a controller that the driver
247                                 specified by This is managing.  This handle
248                                 specifies the controller whose name is to be
249                                 returned.
250 
251   @param  ChildHandle[in]       The handle of the child controller to retrieve
252                                 the name of.  This is an optional parameter that
253                                 may be NULL.  It will be NULL for device
254                                 drivers.  It will also be NULL for a bus drivers
255                                 that wish to retrieve the name of the bus
256                                 controller.  It will not be NULL for a bus
257                                 driver that wishes to retrieve the name of a
258                                 child controller.
259 
260   @param  Language[in]          A pointer to a Null-terminated ASCII string
261                                 array indicating the language.  This is the
262                                 language of the driver name that the caller is
263                                 requesting, and it must match one of the
264                                 languages specified in SupportedLanguages. The
265                                 number of languages supported by a driver is up
266                                 to the driver writer. Language is specified in
267                                 RFC 4646 or ISO 639-2 language code format.
268 
269   @param  ControllerName[out]   A pointer to the Unicode string to return.
270                                 This Unicode string is the name of the
271                                 controller specified by ControllerHandle and
272                                 ChildHandle in the language specified by
273                                 Language from the point of view of the driver
274                                 specified by This.
275 
276   @retval EFI_SUCCESS           The Unicode string for the user readable name in
277                                 the language specified by Language for the
278                                 driver specified by This was returned in
279                                 DriverName.
280 
281   @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
282 
283   @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
284                                 EFI_HANDLE.
285 
286   @retval EFI_INVALID_PARAMETER Language is NULL.
287 
288   @retval EFI_INVALID_PARAMETER ControllerName is NULL.
289 
290   @retval EFI_UNSUPPORTED       The driver specified by This is not currently
291                                 managing the controller specified by
292                                 ControllerHandle and ChildHandle.
293 
294   @retval EFI_UNSUPPORTED       The driver specified by This does not support
295                                 the language specified by Language.
296 
297 **/
298 EFI_STATUS
299 EFIAPI
UsbBusComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)300 UsbBusComponentNameGetControllerName (
301   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
302   IN  EFI_HANDLE                                      ControllerHandle,
303   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
304   IN  CHAR8                                           *Language,
305   OUT CHAR16                                          **ControllerName
306   )
307 {
308   return EFI_UNSUPPORTED;
309 }
310