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Commit | Line | Data |
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f713c4fe | 1 | /** @file\r |
f8cd287b | 2 | \r |
3 | PS/2 Keyboard driver. Routines that interacts with callers,\r | |
4 | conforming to EFI driver model\r | |
05fbd06d | 5 | \r |
0a6f4824 | 6 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
c0a00b14 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
05fbd06d | 8 | \r |
f8cd287b | 9 | **/\r |
05fbd06d | 10 | \r |
05fbd06d | 11 | #include "Ps2Keyboard.h"\r |
12 | \r | |
13 | //\r | |
14 | // Function prototypes\r | |
15 | //\r | |
f713c4fe | 16 | /**\r |
17 | Test controller is a keyboard Controller.\r | |
0a6f4824 | 18 | \r |
f713c4fe | 19 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r |
20 | @param Controller driver's controller\r | |
21 | @param RemainingDevicePath children device path\r | |
0a6f4824 | 22 | \r |
f713c4fe | 23 | @retval EFI_UNSUPPORTED controller is not floppy disk\r |
24 | @retval EFI_SUCCESS controller is floppy disk\r | |
25 | **/\r | |
05fbd06d | 26 | EFI_STATUS\r |
27 | EFIAPI\r | |
28 | KbdControllerDriverSupported (\r | |
29 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
30 | IN EFI_HANDLE Controller,\r | |
31 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
32 | );\r | |
33 | \r | |
f713c4fe | 34 | /**\r |
35 | Create KEYBOARD_CONSOLE_IN_DEV instance on controller.\r | |
0a6f4824 | 36 | \r |
f713c4fe | 37 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r |
38 | @param Controller driver controller handle\r | |
39 | @param RemainingDevicePath Children's device path\r | |
0a6f4824 | 40 | \r |
f713c4fe | 41 | @retval whether success to create floppy control instance.\r |
42 | **/\r | |
05fbd06d | 43 | EFI_STATUS\r |
44 | EFIAPI\r | |
45 | KbdControllerDriverStart (\r | |
46 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
47 | IN EFI_HANDLE Controller,\r | |
48 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
49 | );\r | |
50 | \r | |
f713c4fe | 51 | /**\r |
70d3fe9d | 52 | Stop this driver on ControllerHandle. Support stopping any child handles\r |
f713c4fe | 53 | created by this driver.\r |
54 | \r | |
55 | @param This Protocol instance pointer.\r | |
56 | @param ControllerHandle Handle of device to stop driver on\r | |
57 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
58 | children is zero stop the entire bus driver.\r | |
59 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
60 | \r | |
61 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
62 | @retval other This driver was not removed from this device\r | |
63 | \r | |
64 | **/\r | |
05fbd06d | 65 | EFI_STATUS\r |
66 | EFIAPI\r | |
67 | KbdControllerDriverStop (\r | |
68 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
69 | IN EFI_HANDLE Controller,\r | |
70 | IN UINTN NumberOfChildren,\r | |
71 | IN EFI_HANDLE *ChildHandleBuffer\r | |
72 | );\r | |
73 | \r | |
f713c4fe | 74 | /**\r |
75 | Free the waiting key notify list.\r | |
0a6f4824 | 76 | \r |
f713c4fe | 77 | @param ListHead Pointer to list head\r |
0a6f4824 | 78 | \r |
f713c4fe | 79 | @retval EFI_INVALID_PARAMETER ListHead is NULL\r |
80 | @retval EFI_SUCCESS Sucess to free NotifyList\r | |
81 | **/\r | |
f3d1e940 | 82 | EFI_STATUS\r |
83 | KbdFreeNotifyList (\r | |
84 | IN OUT LIST_ENTRY *ListHead\r | |
0a6f4824 | 85 | );\r |
f3d1e940 | 86 | \r |
05fbd06d | 87 | //\r |
88 | // DriverBinding Protocol Instance\r | |
89 | //\r | |
90 | EFI_DRIVER_BINDING_PROTOCOL gKeyboardControllerDriver = {\r | |
91 | KbdControllerDriverSupported,\r | |
92 | KbdControllerDriverStart,\r | |
93 | KbdControllerDriverStop,\r | |
94 | 0xa,\r | |
95 | NULL,\r | |
96 | NULL\r | |
97 | };\r | |
98 | \r | |
bcd70414 | 99 | /**\r |
f713c4fe | 100 | Test controller is a keyboard Controller.\r |
0a6f4824 | 101 | \r |
bcd70414 | 102 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r |
103 | @param Controller driver's controller\r | |
104 | @param RemainingDevicePath children device path\r | |
0a6f4824 | 105 | \r |
bcd70414 | 106 | @retval EFI_UNSUPPORTED controller is not floppy disk\r |
107 | @retval EFI_SUCCESS controller is floppy disk\r | |
108 | **/\r | |
05fbd06d | 109 | EFI_STATUS\r |
110 | EFIAPI\r | |
111 | KbdControllerDriverSupported (\r | |
112 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
113 | IN EFI_HANDLE Controller,\r | |
114 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
115 | )\r | |
05fbd06d | 116 | {\r |
117 | EFI_STATUS Status;\r | |
118 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
119 | \r | |
120 | //\r | |
121 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
122 | //\r | |
123 | Status = gBS->OpenProtocol (\r | |
124 | Controller,\r | |
125 | &gEfiIsaIoProtocolGuid,\r | |
126 | (VOID **) &IsaIo,\r | |
127 | This->DriverBindingHandle,\r | |
128 | Controller,\r | |
129 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
130 | );\r | |
131 | if (EFI_ERROR (Status)) {\r | |
132 | return Status;\r | |
133 | }\r | |
134 | //\r | |
135 | // Use the ISA I/O Protocol to see if Controller is the Keyboard controller\r | |
136 | //\r | |
137 | if (IsaIo->ResourceList->Device.HID != EISA_PNP_ID (0x303) || IsaIo->ResourceList->Device.UID != 0) {\r | |
138 | Status = EFI_UNSUPPORTED;\r | |
139 | }\r | |
140 | //\r | |
141 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
142 | //\r | |
143 | gBS->CloseProtocol (\r | |
144 | Controller,\r | |
145 | &gEfiIsaIoProtocolGuid,\r | |
146 | This->DriverBindingHandle,\r | |
147 | Controller\r | |
148 | );\r | |
149 | \r | |
150 | return Status;\r | |
151 | }\r | |
152 | \r | |
bcd70414 | 153 | /**\r |
154 | Create KEYBOARD_CONSOLE_IN_DEV instance on controller.\r | |
0a6f4824 | 155 | \r |
bcd70414 | 156 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r |
157 | @param Controller driver controller handle\r | |
158 | @param RemainingDevicePath Children's device path\r | |
0a6f4824 | 159 | \r |
bcd70414 | 160 | @retval whether success to create floppy control instance.\r |
161 | **/\r | |
05fbd06d | 162 | EFI_STATUS\r |
163 | EFIAPI\r | |
164 | KbdControllerDriverStart (\r | |
165 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
166 | IN EFI_HANDLE Controller,\r | |
167 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
168 | )\r | |
05fbd06d | 169 | {\r |
170 | EFI_STATUS Status;\r | |
171 | EFI_STATUS Status1;\r | |
172 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
173 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
174 | UINT8 Data;\r | |
175 | EFI_STATUS_CODE_VALUE StatusCode;\r | |
176 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
177 | \r | |
178 | StatusCode = 0;\r | |
179 | \r | |
180 | Status = gBS->OpenProtocol (\r | |
181 | Controller,\r | |
182 | &gEfiDevicePathProtocolGuid,\r | |
183 | (VOID **) &ParentDevicePath,\r | |
184 | This->DriverBindingHandle,\r | |
185 | Controller,\r | |
186 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
187 | );\r | |
188 | if (EFI_ERROR (Status)) {\r | |
189 | return Status;\r | |
190 | }\r | |
191 | //\r | |
192 | // Report that the keyboard is being enabled\r | |
193 | //\r | |
194 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
195 | EFI_PROGRESS_CODE,\r | |
196 | EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_ENABLE,\r | |
197 | ParentDevicePath\r | |
198 | );\r | |
199 | \r | |
200 | //\r | |
201 | // Get the ISA I/O Protocol on Controller's handle\r | |
202 | //\r | |
203 | Status = gBS->OpenProtocol (\r | |
204 | Controller,\r | |
205 | &gEfiIsaIoProtocolGuid,\r | |
206 | (VOID **) &IsaIo,\r | |
207 | This->DriverBindingHandle,\r | |
208 | Controller,\r | |
209 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
210 | );\r | |
211 | if (EFI_ERROR (Status)) {\r | |
212 | gBS->CloseProtocol (\r | |
213 | Controller,\r | |
214 | &gEfiDevicePathProtocolGuid,\r | |
215 | This->DriverBindingHandle,\r | |
216 | Controller\r | |
217 | );\r | |
218 | return EFI_INVALID_PARAMETER;\r | |
219 | }\r | |
220 | //\r | |
221 | // Allocate private data\r | |
222 | //\r | |
223 | ConsoleIn = AllocateZeroPool (sizeof (KEYBOARD_CONSOLE_IN_DEV));\r | |
224 | if (ConsoleIn == NULL) {\r | |
225 | Status = EFI_OUT_OF_RESOURCES;\r | |
226 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
227 | goto ErrorExit;\r | |
228 | }\r | |
229 | //\r | |
230 | // Setup the device instance\r | |
231 | //\r | |
232 | ConsoleIn->Signature = KEYBOARD_CONSOLE_IN_DEV_SIGNATURE;\r | |
233 | ConsoleIn->Handle = Controller;\r | |
234 | (ConsoleIn->ConIn).Reset = KeyboardEfiReset;\r | |
235 | (ConsoleIn->ConIn).ReadKeyStroke = KeyboardReadKeyStroke;\r | |
236 | ConsoleIn->DataRegisterAddress = KEYBOARD_8042_DATA_REGISTER;\r | |
237 | ConsoleIn->StatusRegisterAddress = KEYBOARD_8042_STATUS_REGISTER;\r | |
238 | ConsoleIn->CommandRegisterAddress = KEYBOARD_8042_COMMAND_REGISTER;\r | |
239 | ConsoleIn->IsaIo = IsaIo;\r | |
05fbd06d | 240 | ConsoleIn->DevicePath = ParentDevicePath;\r |
241 | \r | |
f3d1e940 | 242 | ConsoleIn->ConInEx.Reset = KeyboardEfiResetEx;\r |
243 | ConsoleIn->ConInEx.ReadKeyStrokeEx = KeyboardReadKeyStrokeEx;\r | |
244 | ConsoleIn->ConInEx.SetState = KeyboardSetState;\r | |
245 | ConsoleIn->ConInEx.RegisterKeyNotify = KeyboardRegisterKeyNotify;\r | |
0a6f4824 LG |
246 | ConsoleIn->ConInEx.UnregisterKeyNotify = KeyboardUnregisterKeyNotify;\r |
247 | \r | |
f3d1e940 | 248 | InitializeListHead (&ConsoleIn->NotifyList);\r |
007c18f5 | 249 | \r |
250 | //\r | |
251 | // Fix for random hangs in System waiting for the Key if no KBC is present in BIOS.\r | |
0a6f4824 | 252 | // When KBC decode (IO port 0x60/0x64 decode) is not enabled,\r |
5df0877a | 253 | // KeyboardRead will read back as 0xFF and return status is EFI_SUCCESS.\r |
254 | // So instead we read status register to detect after read if KBC decode is enabled.\r | |
255 | //\r | |
0a6f4824 | 256 | \r |
5df0877a | 257 | //\r |
258 | // Return code is ignored on purpose.\r | |
007c18f5 | 259 | //\r |
4ccfd305 | 260 | if (!PcdGetBool (PcdFastPS2Detection)) {\r |
261 | KeyboardRead (ConsoleIn, &Data);\r | |
262 | if ((KeyReadStatusRegister (ConsoleIn) & (KBC_PARE | KBC_TIM)) == (KBC_PARE | KBC_TIM)) {\r | |
263 | //\r | |
264 | // If nobody decodes KBC I/O port, it will read back as 0xFF.\r | |
265 | // Check the Time-Out and Parity bit to see if it has an active KBC in system\r | |
266 | //\r | |
267 | Status = EFI_DEVICE_ERROR;\r | |
268 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;\r | |
269 | goto ErrorExit;\r | |
270 | }\r | |
007c18f5 | 271 | }\r |
0a6f4824 | 272 | \r |
05fbd06d | 273 | //\r |
274 | // Setup the WaitForKey event\r | |
275 | //\r | |
276 | Status = gBS->CreateEvent (\r | |
277 | EVT_NOTIFY_WAIT,\r | |
278 | TPL_NOTIFY,\r | |
279 | KeyboardWaitForKey,\r | |
c220787b | 280 | ConsoleIn,\r |
05fbd06d | 281 | &((ConsoleIn->ConIn).WaitForKey)\r |
282 | );\r | |
283 | if (EFI_ERROR (Status)) {\r | |
284 | Status = EFI_OUT_OF_RESOURCES;\r | |
285 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
286 | goto ErrorExit;\r | |
287 | }\r | |
288 | //\r | |
f3d1e940 | 289 | // Setup the WaitForKeyEx event\r |
0a6f4824 | 290 | //\r |
f3d1e940 | 291 | Status = gBS->CreateEvent (\r |
292 | EVT_NOTIFY_WAIT,\r | |
293 | TPL_NOTIFY,\r | |
294 | KeyboardWaitForKeyEx,\r | |
c220787b | 295 | ConsoleIn,\r |
f3d1e940 | 296 | &(ConsoleIn->ConInEx.WaitForKeyEx)\r |
297 | );\r | |
298 | if (EFI_ERROR (Status)) {\r | |
299 | Status = EFI_OUT_OF_RESOURCES;\r | |
300 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
301 | goto ErrorExit;\r | |
302 | }\r | |
0a6f4824 | 303 | \r |
05fbd06d | 304 | // Setup a periodic timer, used for reading keystrokes at a fixed interval\r |
305 | //\r | |
306 | Status = gBS->CreateEvent (\r | |
307 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
308 | TPL_NOTIFY,\r | |
309 | KeyboardTimerHandler,\r | |
310 | ConsoleIn,\r | |
311 | &ConsoleIn->TimerEvent\r | |
312 | );\r | |
313 | if (EFI_ERROR (Status)) {\r | |
314 | Status = EFI_OUT_OF_RESOURCES;\r | |
315 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
316 | goto ErrorExit;\r | |
317 | }\r | |
318 | \r | |
319 | Status = gBS->SetTimer (\r | |
320 | ConsoleIn->TimerEvent,\r | |
321 | TimerPeriodic,\r | |
322 | KEYBOARD_TIMER_INTERVAL\r | |
323 | );\r | |
324 | if (EFI_ERROR (Status)) {\r | |
325 | Status = EFI_OUT_OF_RESOURCES;\r | |
326 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
327 | goto ErrorExit;\r | |
328 | }\r | |
329 | \r | |
7863d11c SZ |
330 | Status = gBS->CreateEvent (\r |
331 | EVT_NOTIFY_SIGNAL,\r | |
332 | TPL_CALLBACK,\r | |
333 | KeyNotifyProcessHandler,\r | |
334 | ConsoleIn,\r | |
335 | &ConsoleIn->KeyNotifyProcessEvent\r | |
336 | );\r | |
337 | if (EFI_ERROR (Status)) {\r | |
338 | Status = EFI_OUT_OF_RESOURCES;\r | |
339 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
340 | goto ErrorExit;\r | |
341 | }\r | |
342 | \r | |
05fbd06d | 343 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
344 | EFI_PROGRESS_CODE,\r | |
345 | EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_PRESENCE_DETECT,\r | |
346 | ParentDevicePath\r | |
347 | );\r | |
348 | \r | |
349 | //\r | |
350 | // Reset the keyboard device\r | |
351 | //\r | |
f6c014fb | 352 | Status = ConsoleIn->ConInEx.Reset (&ConsoleIn->ConInEx, FeaturePcdGet (PcdPs2KbdExtendedVerification));\r |
05fbd06d | 353 | if (EFI_ERROR (Status)) {\r |
354 | Status = EFI_DEVICE_ERROR;\r | |
355 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;\r | |
356 | goto ErrorExit;\r | |
357 | }\r | |
358 | \r | |
cb38c322 | 359 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
360 | EFI_PROGRESS_CODE,\r | |
361 | EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DETECTED,\r | |
362 | ParentDevicePath\r | |
363 | );\r | |
364 | \r | |
05fbd06d | 365 | ConsoleIn->ControllerNameTable = NULL;\r |
f3d08ccf | 366 | AddUnicodeString2 (\r |
05fbd06d | 367 | "eng",\r |
368 | gPs2KeyboardComponentName.SupportedLanguages,\r | |
369 | &ConsoleIn->ControllerNameTable,\r | |
f3d08ccf | 370 | L"PS/2 Keyboard Device",\r |
371 | TRUE\r | |
05fbd06d | 372 | );\r |
f3d08ccf | 373 | AddUnicodeString2 (\r |
374 | "en",\r | |
375 | gPs2KeyboardComponentName2.SupportedLanguages,\r | |
376 | &ConsoleIn->ControllerNameTable,\r | |
377 | L"PS/2 Keyboard Device",\r | |
378 | FALSE\r | |
379 | );\r | |
380 | \r | |
05fbd06d | 381 | \r |
382 | //\r | |
383 | // Install protocol interfaces for the keyboard device.\r | |
384 | //\r | |
385 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
386 | &Controller,\r | |
387 | &gEfiSimpleTextInProtocolGuid,\r | |
388 | &ConsoleIn->ConIn,\r | |
f3d1e940 | 389 | &gEfiSimpleTextInputExProtocolGuid,\r |
390 | &ConsoleIn->ConInEx,\r | |
05fbd06d | 391 | NULL\r |
392 | );\r | |
393 | if (EFI_ERROR (Status)) {\r | |
394 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
395 | goto ErrorExit;\r | |
396 | }\r | |
397 | \r | |
398 | return Status;\r | |
399 | \r | |
400 | ErrorExit:\r | |
401 | //\r | |
402 | // Report error code\r | |
403 | //\r | |
404 | if (StatusCode != 0) {\r | |
405 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
406 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
407 | StatusCode,\r | |
408 | ParentDevicePath\r | |
409 | );\r | |
410 | }\r | |
411 | \r | |
412 | if ((ConsoleIn != NULL) && (ConsoleIn->ConIn.WaitForKey != NULL)) {\r | |
413 | gBS->CloseEvent (ConsoleIn->ConIn.WaitForKey);\r | |
414 | }\r | |
415 | \r | |
416 | if ((ConsoleIn != NULL) && (ConsoleIn->TimerEvent != NULL)) {\r | |
417 | gBS->CloseEvent (ConsoleIn->TimerEvent);\r | |
418 | }\r | |
f3d1e940 | 419 | if ((ConsoleIn != NULL) && (ConsoleIn->ConInEx.WaitForKeyEx != NULL)) {\r |
420 | gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);\r | |
421 | }\r | |
7863d11c SZ |
422 | if ((ConsoleIn != NULL) && (ConsoleIn->KeyNotifyProcessEvent != NULL)) {\r |
423 | gBS->CloseEvent (ConsoleIn->KeyNotifyProcessEvent);\r | |
424 | }\r | |
f3d1e940 | 425 | KbdFreeNotifyList (&ConsoleIn->NotifyList);\r |
05fbd06d | 426 | if ((ConsoleIn != NULL) && (ConsoleIn->ControllerNameTable != NULL)) {\r |
427 | FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);\r | |
428 | }\r | |
429 | //\r | |
430 | // Since there will be no timer handler for keyboard input any more,\r | |
431 | // exhaust input data just in case there is still keyboard data left\r | |
432 | //\r | |
261136bc | 433 | if (ConsoleIn != NULL) {\r |
434 | Status1 = EFI_SUCCESS;\r | |
007c18f5 | 435 | while (!EFI_ERROR (Status1) && (Status != EFI_DEVICE_ERROR)) {\r |
261136bc | 436 | Status1 = KeyboardRead (ConsoleIn, &Data);;\r |
437 | }\r | |
05fbd06d | 438 | }\r |
0a6f4824 | 439 | \r |
05fbd06d | 440 | if (ConsoleIn != NULL) {\r |
441 | gBS->FreePool (ConsoleIn);\r | |
442 | }\r | |
443 | \r | |
444 | gBS->CloseProtocol (\r | |
445 | Controller,\r | |
446 | &gEfiDevicePathProtocolGuid,\r | |
447 | This->DriverBindingHandle,\r | |
448 | Controller\r | |
449 | );\r | |
450 | \r | |
451 | gBS->CloseProtocol (\r | |
452 | Controller,\r | |
453 | &gEfiIsaIoProtocolGuid,\r | |
454 | This->DriverBindingHandle,\r | |
455 | Controller\r | |
456 | );\r | |
457 | \r | |
458 | return Status;\r | |
459 | }\r | |
460 | \r | |
bcd70414 | 461 | /**\r |
70d3fe9d | 462 | Stop this driver on ControllerHandle. Support stopping any child handles\r |
bcd70414 | 463 | created by this driver.\r |
464 | \r | |
465 | @param This Protocol instance pointer.\r | |
466 | @param ControllerHandle Handle of device to stop driver on\r | |
467 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
468 | children is zero stop the entire bus driver.\r | |
469 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
470 | \r | |
471 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
472 | @retval other This driver was not removed from this device\r | |
473 | \r | |
474 | **/\r | |
05fbd06d | 475 | EFI_STATUS\r |
476 | EFIAPI\r | |
477 | KbdControllerDriverStop (\r | |
478 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
479 | IN EFI_HANDLE Controller,\r | |
480 | IN UINTN NumberOfChildren,\r | |
481 | IN EFI_HANDLE *ChildHandleBuffer\r | |
482 | )\r | |
05fbd06d | 483 | {\r |
484 | EFI_STATUS Status;\r | |
485 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;\r | |
486 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
487 | UINT8 Data;\r | |
488 | \r | |
489 | //\r | |
490 | // Disable Keyboard\r | |
491 | //\r | |
492 | Status = gBS->OpenProtocol (\r | |
493 | Controller,\r | |
494 | &gEfiSimpleTextInProtocolGuid,\r | |
495 | (VOID **) &ConIn,\r | |
496 | This->DriverBindingHandle,\r | |
497 | Controller,\r | |
498 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
499 | );\r | |
500 | if (EFI_ERROR (Status)) {\r | |
501 | return Status;\r | |
502 | }\r | |
f3d1e940 | 503 | Status = gBS->OpenProtocol (\r |
504 | Controller,\r | |
505 | &gEfiSimpleTextInputExProtocolGuid,\r | |
506 | NULL,\r | |
507 | This->DriverBindingHandle,\r | |
508 | Controller,\r | |
509 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
510 | );\r | |
511 | if (EFI_ERROR (Status)) {\r | |
512 | return Status;\r | |
513 | }\r | |
0a6f4824 | 514 | \r |
05fbd06d | 515 | ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);\r |
516 | \r | |
517 | //\r | |
518 | // Report that the keyboard is being disabled\r | |
519 | //\r | |
520 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
521 | EFI_PROGRESS_CODE,\r | |
522 | EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DISABLE,\r | |
523 | ConsoleIn->DevicePath\r | |
524 | );\r | |
525 | \r | |
f713c4fe | 526 | if (ConsoleIn->TimerEvent != NULL) {\r |
05fbd06d | 527 | gBS->CloseEvent (ConsoleIn->TimerEvent);\r |
528 | ConsoleIn->TimerEvent = NULL;\r | |
529 | }\r | |
05fbd06d | 530 | \r |
531 | //\r | |
532 | // Since there will be no timer handler for keyboard input any more,\r | |
533 | // exhaust input data just in case there is still keyboard data left\r | |
534 | //\r | |
535 | Status = EFI_SUCCESS;\r | |
536 | while (!EFI_ERROR (Status)) {\r | |
537 | Status = KeyboardRead (ConsoleIn, &Data);;\r | |
538 | }\r | |
539 | //\r | |
f3d1e940 | 540 | // Uninstall the SimpleTextIn and SimpleTextInEx protocols\r |
05fbd06d | 541 | //\r |
f3d1e940 | 542 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
05fbd06d | 543 | Controller,\r |
544 | &gEfiSimpleTextInProtocolGuid,\r | |
f3d1e940 | 545 | &ConsoleIn->ConIn,\r |
546 | &gEfiSimpleTextInputExProtocolGuid,\r | |
547 | &ConsoleIn->ConInEx,\r | |
548 | NULL\r | |
05fbd06d | 549 | );\r |
550 | if (EFI_ERROR (Status)) {\r | |
551 | return Status;\r | |
552 | }\r | |
553 | \r | |
554 | gBS->CloseProtocol (\r | |
555 | Controller,\r | |
556 | &gEfiDevicePathProtocolGuid,\r | |
557 | This->DriverBindingHandle,\r | |
558 | Controller\r | |
559 | );\r | |
560 | \r | |
561 | gBS->CloseProtocol (\r | |
562 | Controller,\r | |
563 | &gEfiIsaIoProtocolGuid,\r | |
564 | This->DriverBindingHandle,\r | |
565 | Controller\r | |
566 | );\r | |
567 | \r | |
568 | //\r | |
569 | // Free other resources\r | |
570 | //\r | |
7ec9caab | 571 | if ((ConsoleIn->ConIn).WaitForKey != NULL) {\r |
05fbd06d | 572 | gBS->CloseEvent ((ConsoleIn->ConIn).WaitForKey);\r |
573 | (ConsoleIn->ConIn).WaitForKey = NULL;\r | |
574 | }\r | |
f3d1e940 | 575 | if (ConsoleIn->ConInEx.WaitForKeyEx != NULL) {\r |
576 | gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);\r | |
577 | ConsoleIn->ConInEx.WaitForKeyEx = NULL;\r | |
578 | }\r | |
7863d11c SZ |
579 | if (ConsoleIn->KeyNotifyProcessEvent != NULL) {\r |
580 | gBS->CloseEvent (ConsoleIn->KeyNotifyProcessEvent);\r | |
581 | ConsoleIn->KeyNotifyProcessEvent = NULL;\r | |
582 | }\r | |
f3d1e940 | 583 | KbdFreeNotifyList (&ConsoleIn->NotifyList);\r |
05fbd06d | 584 | FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);\r |
585 | gBS->FreePool (ConsoleIn);\r | |
586 | \r | |
587 | return EFI_SUCCESS;\r | |
588 | }\r | |
c21fc3e8 | 589 | \r |
bcd70414 | 590 | /**\r |
591 | Free the waiting key notify list.\r | |
0a6f4824 | 592 | \r |
bcd70414 | 593 | @param ListHead Pointer to list head\r |
0a6f4824 | 594 | \r |
f713c4fe | 595 | @retval EFI_INVALID_PARAMETER ListHead is NULL\r |
596 | @retval EFI_SUCCESS Sucess to free NotifyList\r | |
bcd70414 | 597 | **/\r |
f3d1e940 | 598 | EFI_STATUS\r |
599 | KbdFreeNotifyList (\r | |
600 | IN OUT LIST_ENTRY *ListHead\r | |
601 | )\r | |
f3d1e940 | 602 | {\r |
603 | KEYBOARD_CONSOLE_IN_EX_NOTIFY *NotifyNode;\r | |
604 | \r | |
605 | if (ListHead == NULL) {\r | |
606 | return EFI_INVALID_PARAMETER;\r | |
607 | }\r | |
608 | while (!IsListEmpty (ListHead)) {\r | |
609 | NotifyNode = CR (\r | |
0a6f4824 LG |
610 | ListHead->ForwardLink,\r |
611 | KEYBOARD_CONSOLE_IN_EX_NOTIFY,\r | |
612 | NotifyEntry,\r | |
f3d1e940 | 613 | KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
614 | );\r | |
615 | RemoveEntryList (ListHead->ForwardLink);\r | |
616 | gBS->FreePool (NotifyNode);\r | |
617 | }\r | |
0a6f4824 | 618 | \r |
f3d1e940 | 619 | return EFI_SUCCESS;\r |
620 | }\r | |
c21fc3e8 | 621 | \r |
622 | /**\r | |
0a6f4824 | 623 | The module Entry Point for module Ps2Keyboard.\r |
c21fc3e8 | 624 | \r |
0a6f4824 | 625 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r |
c21fc3e8 | 626 | @param[in] SystemTable A pointer to the EFI System Table.\r |
0a6f4824 | 627 | \r |
c21fc3e8 | 628 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
629 | @retval other Some error occurs when executing this entry point.\r | |
630 | \r | |
631 | **/\r | |
632 | EFI_STATUS\r | |
633 | EFIAPI\r | |
634 | InitializePs2Keyboard(\r | |
635 | IN EFI_HANDLE ImageHandle,\r | |
636 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
637 | )\r | |
638 | {\r | |
639 | EFI_STATUS Status;\r | |
640 | \r | |
641 | //\r | |
642 | // Install driver model protocol(s).\r | |
643 | //\r | |
f3d08ccf | 644 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
c21fc3e8 | 645 | ImageHandle,\r |
646 | SystemTable,\r | |
647 | &gKeyboardControllerDriver,\r | |
648 | ImageHandle,\r | |
649 | &gPs2KeyboardComponentName,\r | |
f3d08ccf | 650 | &gPs2KeyboardComponentName2\r |
c21fc3e8 | 651 | );\r |
652 | ASSERT_EFI_ERROR (Status);\r | |
653 | \r | |
654 | \r | |
655 | return Status;\r | |
656 | }\r | |
bcd70414 | 657 | \r |