1 /** @file
2 Routines related Component Name protocol.
3
4 Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
9
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13 **/
14
15 #include "Ps2Keyboard.h"
16
17 //
18 // EFI Component Name Functions
19 //
20 /**
21 Retrieves a Unicode string that is the user readable name of the driver.
22
23 This function retrieves the user readable name of a driver in the form of a
24 Unicode string. If the driver specified by This has a user readable name in
25 the language specified by Language, then a pointer to the driver name is
26 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
27 by This does not support the language specified by Language,
28 then EFI_UNSUPPORTED is returned.
29
30 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
31 EFI_COMPONENT_NAME_PROTOCOL instance.
32
33 @param Language[in] A pointer to a Null-terminated ASCII string
34 array indicating the language. This is the
35 language of the driver name that the caller is
36 requesting, and it must match one of the
37 languages specified in SupportedLanguages. The
38 number of languages supported by a driver is up
39 to the driver writer. Language is specified
40 in RFC 4646 or ISO 639-2 language code format.
41
42 @param DriverName[out] A pointer to the Unicode string to return.
43 This Unicode string is the name of the
44 driver specified by This in the language
45 specified by Language.
46
47 @retval EFI_SUCCESS The Unicode string for the Driver specified by
48 This and the language specified by Language was
49 returned in DriverName.
50
51 @retval EFI_INVALID_PARAMETER Language is NULL.
52
53 @retval EFI_INVALID_PARAMETER DriverName is NULL.
54
55 @retval EFI_UNSUPPORTED The driver specified by This does not support
56 the language specified by Language.
57
58 **/
59 EFI_STATUS
60 EFIAPI
61 Ps2KeyboardComponentNameGetDriverName (
62 IN EFI_COMPONENT_NAME_PROTOCOL *This,
63 IN CHAR8 *Language,
64 OUT CHAR16 **DriverName
65 );
66
67
68 /**
69 Retrieves a Unicode string that is the user readable name of the controller
70 that is being managed by a driver.
71
72 This function retrieves the user readable name of the controller specified by
73 ControllerHandle and ChildHandle in the form of a Unicode string. If the
74 driver specified by This has a user readable name in the language specified by
75 Language, then a pointer to the controller name is returned in ControllerName,
76 and EFI_SUCCESS is returned. If the driver specified by This is not currently
77 managing the controller specified by ControllerHandle and ChildHandle,
78 then EFI_UNSUPPORTED is returned. If the driver specified by This does not
79 support the language specified by Language, then EFI_UNSUPPORTED is returned.
80
81 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
82 EFI_COMPONENT_NAME_PROTOCOL instance.
83
84 @param ControllerHandle[in] The handle of a controller that the driver
85 specified by This is managing. This handle
86 specifies the controller whose name is to be
87 returned.
88
89 @param ChildHandle[in] The handle of the child controller to retrieve
90 the name of. This is an optional parameter that
91 may be NULL. It will be NULL for device
92 drivers. It will also be NULL for a bus drivers
93 that wish to retrieve the name of the bus
94 controller. It will not be NULL for a bus
95 driver that wishes to retrieve the name of a
96 child controller.
97
98 @param Language[in] A pointer to a Null-terminated ASCII string
99 array indicating the language. This is the
100 language of the driver name that the caller is
101 requesting, and it must match one of the
102 languages specified in SupportedLanguages. The
103 number of languages supported by a driver is up
104 to the driver writer. Language is specified in
105 RFC 4646 or ISO 639-2 language code format.
106
107 @param ControllerName[out] A pointer to the Unicode string to return.
108 This Unicode string is the name of the
109 controller specified by ControllerHandle and
110 ChildHandle in the language specified by
111 Language from the point of view of the driver
112 specified by This.
113
114 @retval EFI_SUCCESS The Unicode string for the user readable name in
115 the language specified by Language for the
116 driver specified by This was returned in
117 DriverName.
118
119 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
120
121 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
122 EFI_HANDLE.
123
124 @retval EFI_INVALID_PARAMETER Language is NULL.
125
126 @retval EFI_INVALID_PARAMETER ControllerName is NULL.
127
128 @retval EFI_UNSUPPORTED The driver specified by This is not currently
129 managing the controller specified by
130 ControllerHandle and ChildHandle.
131
132 @retval EFI_UNSUPPORTED The driver specified by This does not support
133 the language specified by Language.
134
135 **/
136 EFI_STATUS
137 EFIAPI
138 Ps2KeyboardComponentNameGetControllerName (
139 IN EFI_COMPONENT_NAME_PROTOCOL *This,
140 IN EFI_HANDLE ControllerHandle,
141 IN EFI_HANDLE ChildHandle OPTIONAL,
142 IN CHAR8 *Language,
143 OUT CHAR16 **ControllerName
144 );
145
146
147 //
148 // EFI Component Name Protocol
149 //
150 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gPs2KeyboardComponentName = {
151 Ps2KeyboardComponentNameGetDriverName,
152 Ps2KeyboardComponentNameGetControllerName,
153 "eng"
154 };
155
156 //
157 // EFI Component Name 2 Protocol
158 //
159 GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gPs2KeyboardComponentName2 = {
160 (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) Ps2KeyboardComponentNameGetDriverName,
161 (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) Ps2KeyboardComponentNameGetControllerName,
162 "en"
163 };
164
165
166 GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mPs2KeyboardDriverNameTable[] = {
167 {
168 "eng;en",
169 L"PS/2 Keyboard Driver"
170 },
171 {
172 NULL,
173 NULL
174 }
175 };
176
177 /**
178 Retrieves a Unicode string that is the user readable name of the driver.
179
180 This function retrieves the user readable name of a driver in the form of a
181 Unicode string. If the driver specified by This has a user readable name in
182 the language specified by Language, then a pointer to the driver name is
183 returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
184 by This does not support the language specified by Language,
185 then EFI_UNSUPPORTED is returned.
186
187 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
188 EFI_COMPONENT_NAME_PROTOCOL instance.
189
190 @param Language[in] A pointer to a Null-terminated ASCII string
191 array indicating the language. This is the
192 language of the driver name that the caller is
193 requesting, and it must match one of the
194 languages specified in SupportedLanguages. The
195 number of languages supported by a driver is up
196 to the driver writer. Language is specified
197 in RFC 4646 or ISO 639-2 language code format.
198
199 @param DriverName[out] A pointer to the Unicode string to return.
200 This Unicode string is the name of the
201 driver specified by This in the language
202 specified by Language.
203
204 @retval EFI_SUCCESS The Unicode string for the Driver specified by
205 This and the language specified by Language was
206 returned in DriverName.
207
208 @retval EFI_INVALID_PARAMETER Language is NULL.
209
210 @retval EFI_INVALID_PARAMETER DriverName is NULL.
211
212 @retval EFI_UNSUPPORTED The driver specified by This does not support
213 the language specified by Language.
214
215 **/
216 EFI_STATUS
217 EFIAPI
Ps2KeyboardComponentNameGetDriverName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN CHAR8 * Language,OUT CHAR16 ** DriverName)218 Ps2KeyboardComponentNameGetDriverName (
219 IN EFI_COMPONENT_NAME_PROTOCOL *This,
220 IN CHAR8 *Language,
221 OUT CHAR16 **DriverName
222 )
223 {
224 return LookupUnicodeString2 (
225 Language,
226 This->SupportedLanguages,
227 mPs2KeyboardDriverNameTable,
228 DriverName,
229 (BOOLEAN)(This == &gPs2KeyboardComponentName)
230 );
231 }
232
233 /**
234 Retrieves a Unicode string that is the user readable name of the controller
235 that is being managed by a driver.
236
237 This function retrieves the user readable name of the controller specified by
238 ControllerHandle and ChildHandle in the form of a Unicode string. If the
239 driver specified by This has a user readable name in the language specified by
240 Language, then a pointer to the controller name is returned in ControllerName,
241 and EFI_SUCCESS is returned. If the driver specified by This is not currently
242 managing the controller specified by ControllerHandle and ChildHandle,
243 then EFI_UNSUPPORTED is returned. If the driver specified by This does not
244 support the language specified by Language, then EFI_UNSUPPORTED is returned.
245
246 @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
247 EFI_COMPONENT_NAME_PROTOCOL instance.
248
249 @param ControllerHandle[in] The handle of a controller that the driver
250 specified by This is managing. This handle
251 specifies the controller whose name is to be
252 returned.
253
254 @param ChildHandle[in] The handle of the child controller to retrieve
255 the name of. This is an optional parameter that
256 may be NULL. It will be NULL for device
257 drivers. It will also be NULL for a bus drivers
258 that wish to retrieve the name of the bus
259 controller. It will not be NULL for a bus
260 driver that wishes to retrieve the name of a
261 child controller.
262
263 @param Language[in] A pointer to a Null-terminated ASCII string
264 array indicating the language. This is the
265 language of the driver name that the caller is
266 requesting, and it must match one of the
267 languages specified in SupportedLanguages. The
268 number of languages supported by a driver is up
269 to the driver writer. Language is specified in
270 RFC 4646 or ISO 639-2 language code format.
271
272 @param ControllerName[out] A pointer to the Unicode string to return.
273 This Unicode string is the name of the
274 controller specified by ControllerHandle and
275 ChildHandle in the language specified by
276 Language from the point of view of the driver
277 specified by This.
278
279 @retval EFI_SUCCESS The Unicode string for the user readable name in
280 the language specified by Language for the
281 driver specified by This was returned in
282 DriverName.
283
284 @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
285
286 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
287 EFI_HANDLE.
288
289 @retval EFI_INVALID_PARAMETER Language is NULL.
290
291 @retval EFI_INVALID_PARAMETER ControllerName is NULL.
292
293 @retval EFI_UNSUPPORTED The driver specified by This is not currently
294 managing the controller specified by
295 ControllerHandle and ChildHandle.
296
297 @retval EFI_UNSUPPORTED The driver specified by This does not support
298 the language specified by Language.
299
300 **/
301 EFI_STATUS
302 EFIAPI
Ps2KeyboardComponentNameGetControllerName(IN EFI_COMPONENT_NAME_PROTOCOL * This,IN EFI_HANDLE ControllerHandle,IN EFI_HANDLE ChildHandle OPTIONAL,IN CHAR8 * Language,OUT CHAR16 ** ControllerName)303 Ps2KeyboardComponentNameGetControllerName (
304 IN EFI_COMPONENT_NAME_PROTOCOL *This,
305 IN EFI_HANDLE ControllerHandle,
306 IN EFI_HANDLE ChildHandle OPTIONAL,
307 IN CHAR8 *Language,
308 OUT CHAR16 **ControllerName
309 )
310 {
311 EFI_STATUS Status;
312 EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;
313 KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;
314 //
315 // This is a device driver, so ChildHandle must be NULL.
316 //
317 if (ChildHandle != NULL) {
318 return EFI_UNSUPPORTED;
319 }
320
321 //
322 // Check Controller's handle
323 //
324 Status = EfiTestManagedDevice (ControllerHandle, gKeyboardControllerDriver.DriverBindingHandle, &gEfiSioProtocolGuid);
325 if (EFI_ERROR (Status)) {
326 return Status;
327 }
328 //
329 // Get the device context
330 //
331 Status = gBS->OpenProtocol (
332 ControllerHandle,
333 &gEfiSimpleTextInProtocolGuid,
334 (VOID **) &ConIn,
335 gKeyboardControllerDriver.DriverBindingHandle,
336 ControllerHandle,
337 EFI_OPEN_PROTOCOL_GET_PROTOCOL
338 );
339 if (EFI_ERROR (Status)) {
340 return Status;
341 }
342
343 ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);
344
345 return LookupUnicodeString2 (
346 Language,
347 This->SupportedLanguages,
348 ConsoleIn->ControllerNameTable,
349 ControllerName,
350 (BOOLEAN)(This == &gPs2KeyboardComponentName)
351 );
352 }
353