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4aa68cbc RN |
1 | /** @file\r |
2 | \r | |
3 | PS/2 Keyboard driver. Routines that interacts with callers,\r | |
4 | conforming to EFI driver model\r | |
5 | \r | |
6 | Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r | |
9d510e61 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
4aa68cbc RN |
8 | \r |
9 | **/\r | |
10 | \r | |
11 | #include "Ps2Keyboard.h"\r | |
12 | \r | |
13 | //\r | |
14 | // Function prototypes\r | |
15 | //\r | |
16 | /**\r | |
17 | Test controller is a keyboard Controller.\r | |
18 | \r | |
19 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r | |
20 | @param Controller driver's controller\r | |
21 | @param RemainingDevicePath children device path\r | |
22 | \r | |
23 | @retval EFI_UNSUPPORTED controller is not floppy disk\r | |
24 | @retval EFI_SUCCESS controller is floppy disk\r | |
25 | **/\r | |
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 | |
34 | /**\r | |
35 | Create KEYBOARD_CONSOLE_IN_DEV instance on controller.\r | |
36 | \r | |
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 | |
40 | \r | |
41 | @retval whether success to create floppy control instance.\r | |
42 | **/\r | |
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 | |
51 | /**\r | |
ed356b9e | 52 | Stop this driver on ControllerHandle. Support stopping any child handles\r |
4aa68cbc RN |
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 | |
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 | |
74 | /**\r | |
75 | Free the waiting key notify list.\r | |
76 | \r | |
77 | @param ListHead Pointer to list head\r | |
78 | \r | |
79 | @retval EFI_INVALID_PARAMETER ListHead is NULL\r | |
80 | @retval EFI_SUCCESS Sucess to free NotifyList\r | |
81 | **/\r | |
82 | EFI_STATUS\r | |
83 | KbdFreeNotifyList (\r | |
84 | IN OUT LIST_ENTRY *ListHead\r | |
85 | );\r | |
86 | \r | |
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 | |
99 | /**\r | |
100 | Test controller is a keyboard Controller.\r | |
101 | \r | |
102 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r | |
103 | @param Controller driver's controller\r | |
104 | @param RemainingDevicePath children device path\r | |
105 | \r | |
106 | @retval EFI_UNSUPPORTED controller is not floppy disk\r | |
107 | @retval EFI_SUCCESS controller is floppy disk\r | |
108 | **/\r | |
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 | |
116 | {\r | |
117 | EFI_STATUS Status;\r | |
118 | EFI_SIO_PROTOCOL *Sio;\r | |
119 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
120 | ACPI_HID_DEVICE_PATH *Acpi;\r | |
121 | \r | |
122 | //\r | |
123 | // Check whether the controller is keyboard.\r | |
124 | //\r | |
125 | Status = gBS->OpenProtocol (\r | |
126 | Controller,\r | |
127 | &gEfiDevicePathProtocolGuid,\r | |
128 | (VOID **) &DevicePath,\r | |
129 | This->DriverBindingHandle,\r | |
130 | Controller,\r | |
131 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
132 | );\r | |
133 | if (EFI_ERROR (Status)) {\r | |
134 | return Status;\r | |
135 | }\r | |
136 | \r | |
137 | do {\r | |
138 | Acpi = (ACPI_HID_DEVICE_PATH *) DevicePath;\r | |
139 | DevicePath = NextDevicePathNode (DevicePath);\r | |
140 | } while (!IsDevicePathEnd (DevicePath));\r | |
141 | \r | |
142 | if (DevicePathType (Acpi) != ACPI_DEVICE_PATH ||\r | |
143 | (DevicePathSubType (Acpi) != ACPI_DP && DevicePathSubType (Acpi) != ACPI_EXTENDED_DP)) {\r | |
144 | return EFI_UNSUPPORTED;\r | |
145 | }\r | |
146 | \r | |
147 | if (Acpi->HID != EISA_PNP_ID (0x303) || Acpi->UID != 0) {\r | |
148 | return EFI_UNSUPPORTED;\r | |
149 | }\r | |
150 | \r | |
151 | //\r | |
152 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
153 | //\r | |
154 | Status = gBS->OpenProtocol (\r | |
155 | Controller,\r | |
156 | &gEfiSioProtocolGuid,\r | |
157 | (VOID **) &Sio,\r | |
158 | This->DriverBindingHandle,\r | |
159 | Controller,\r | |
160 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
161 | );\r | |
162 | if (EFI_ERROR (Status)) {\r | |
163 | return Status;\r | |
164 | }\r | |
165 | \r | |
166 | //\r | |
167 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
168 | //\r | |
169 | gBS->CloseProtocol (\r | |
170 | Controller,\r | |
171 | &gEfiSioProtocolGuid,\r | |
172 | This->DriverBindingHandle,\r | |
173 | Controller\r | |
174 | );\r | |
175 | \r | |
176 | return Status;\r | |
177 | }\r | |
178 | \r | |
179 | /**\r | |
180 | Create KEYBOARD_CONSOLE_IN_DEV instance on controller.\r | |
181 | \r | |
182 | @param This Pointer of EFI_DRIVER_BINDING_PROTOCOL\r | |
183 | @param Controller driver controller handle\r | |
184 | @param RemainingDevicePath Children's device path\r | |
185 | \r | |
186 | @retval whether success to create floppy control instance.\r | |
187 | **/\r | |
188 | EFI_STATUS\r | |
189 | EFIAPI\r | |
190 | KbdControllerDriverStart (\r | |
191 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
192 | IN EFI_HANDLE Controller,\r | |
193 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
194 | )\r | |
195 | {\r | |
196 | EFI_STATUS Status;\r | |
197 | EFI_STATUS Status1;\r | |
198 | EFI_SIO_PROTOCOL *Sio;\r | |
199 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
200 | UINT8 Data;\r | |
201 | EFI_STATUS_CODE_VALUE StatusCode;\r | |
202 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
203 | \r | |
204 | StatusCode = 0;\r | |
205 | \r | |
206 | Status = gBS->OpenProtocol (\r | |
207 | Controller,\r | |
208 | &gEfiDevicePathProtocolGuid,\r | |
209 | (VOID **) &DevicePath,\r | |
210 | This->DriverBindingHandle,\r | |
211 | Controller,\r | |
212 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
213 | );\r | |
214 | if (EFI_ERROR (Status)) {\r | |
215 | return Status;\r | |
216 | }\r | |
217 | //\r | |
218 | // Report that the keyboard is being enabled\r | |
219 | //\r | |
220 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
221 | EFI_PROGRESS_CODE,\r | |
222 | EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_ENABLE,\r | |
223 | DevicePath\r | |
224 | );\r | |
225 | \r | |
226 | //\r | |
227 | // Get the ISA I/O Protocol on Controller's handle\r | |
228 | //\r | |
229 | Status = gBS->OpenProtocol (\r | |
230 | Controller,\r | |
231 | &gEfiSioProtocolGuid,\r | |
232 | (VOID **) &Sio,\r | |
233 | This->DriverBindingHandle,\r | |
234 | Controller,\r | |
235 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
236 | );\r | |
237 | if (EFI_ERROR (Status)) {\r | |
238 | return Status;\r | |
239 | }\r | |
240 | //\r | |
241 | // Allocate private data\r | |
242 | //\r | |
243 | ConsoleIn = AllocateZeroPool (sizeof (KEYBOARD_CONSOLE_IN_DEV));\r | |
244 | if (ConsoleIn == NULL) {\r | |
245 | Status = EFI_OUT_OF_RESOURCES;\r | |
246 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
247 | goto ErrorExit;\r | |
248 | }\r | |
249 | //\r | |
250 | // Setup the device instance\r | |
251 | //\r | |
252 | ConsoleIn->Signature = KEYBOARD_CONSOLE_IN_DEV_SIGNATURE;\r | |
253 | ConsoleIn->Handle = Controller;\r | |
254 | (ConsoleIn->ConIn).Reset = KeyboardEfiReset;\r | |
255 | (ConsoleIn->ConIn).ReadKeyStroke = KeyboardReadKeyStroke;\r | |
256 | ConsoleIn->DataRegisterAddress = KEYBOARD_8042_DATA_REGISTER;\r | |
257 | ConsoleIn->StatusRegisterAddress = KEYBOARD_8042_STATUS_REGISTER;\r | |
258 | ConsoleIn->CommandRegisterAddress = KEYBOARD_8042_COMMAND_REGISTER;\r | |
259 | ConsoleIn->DevicePath = DevicePath;\r | |
260 | \r | |
261 | ConsoleIn->ConInEx.Reset = KeyboardEfiResetEx;\r | |
262 | ConsoleIn->ConInEx.ReadKeyStrokeEx = KeyboardReadKeyStrokeEx;\r | |
263 | ConsoleIn->ConInEx.SetState = KeyboardSetState;\r | |
264 | ConsoleIn->ConInEx.RegisterKeyNotify = KeyboardRegisterKeyNotify;\r | |
265 | ConsoleIn->ConInEx.UnregisterKeyNotify = KeyboardUnregisterKeyNotify;\r | |
266 | \r | |
267 | InitializeListHead (&ConsoleIn->NotifyList);\r | |
268 | \r | |
269 | //\r | |
270 | // Fix for random hangs in System waiting for the Key if no KBC is present in BIOS.\r | |
271 | // When KBC decode (IO port 0x60/0x64 decode) is not enabled,\r | |
272 | // KeyboardRead will read back as 0xFF and return status is EFI_SUCCESS.\r | |
273 | // So instead we read status register to detect after read if KBC decode is enabled.\r | |
274 | //\r | |
275 | \r | |
276 | //\r | |
277 | // Return code is ignored on purpose.\r | |
278 | //\r | |
279 | if (!PcdGetBool (PcdFastPS2Detection)) {\r | |
280 | KeyboardRead (ConsoleIn, &Data);\r | |
281 | if ((KeyReadStatusRegister (ConsoleIn) & (KBC_PARE | KBC_TIM)) == (KBC_PARE | KBC_TIM)) {\r | |
282 | //\r | |
283 | // If nobody decodes KBC I/O port, it will read back as 0xFF.\r | |
284 | // Check the Time-Out and Parity bit to see if it has an active KBC in system\r | |
285 | //\r | |
286 | Status = EFI_DEVICE_ERROR;\r | |
287 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;\r | |
288 | goto ErrorExit;\r | |
289 | }\r | |
290 | }\r | |
291 | \r | |
292 | //\r | |
293 | // Setup the WaitForKey event\r | |
294 | //\r | |
295 | Status = gBS->CreateEvent (\r | |
296 | EVT_NOTIFY_WAIT,\r | |
297 | TPL_NOTIFY,\r | |
298 | KeyboardWaitForKey,\r | |
299 | ConsoleIn,\r | |
300 | &((ConsoleIn->ConIn).WaitForKey)\r | |
301 | );\r | |
302 | if (EFI_ERROR (Status)) {\r | |
303 | Status = EFI_OUT_OF_RESOURCES;\r | |
304 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
305 | goto ErrorExit;\r | |
306 | }\r | |
307 | //\r | |
308 | // Setup the WaitForKeyEx event\r | |
309 | //\r | |
310 | Status = gBS->CreateEvent (\r | |
311 | EVT_NOTIFY_WAIT,\r | |
312 | TPL_NOTIFY,\r | |
313 | KeyboardWaitForKeyEx,\r | |
314 | ConsoleIn,\r | |
315 | &(ConsoleIn->ConInEx.WaitForKeyEx)\r | |
316 | );\r | |
317 | if (EFI_ERROR (Status)) {\r | |
318 | Status = EFI_OUT_OF_RESOURCES;\r | |
319 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
320 | goto ErrorExit;\r | |
321 | }\r | |
322 | // Setup a periodic timer, used for reading keystrokes at a fixed interval\r | |
323 | //\r | |
324 | Status = gBS->CreateEvent (\r | |
325 | EVT_TIMER | EVT_NOTIFY_SIGNAL,\r | |
326 | TPL_NOTIFY,\r | |
327 | KeyboardTimerHandler,\r | |
328 | ConsoleIn,\r | |
329 | &ConsoleIn->TimerEvent\r | |
330 | );\r | |
331 | if (EFI_ERROR (Status)) {\r | |
332 | Status = EFI_OUT_OF_RESOURCES;\r | |
333 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
334 | goto ErrorExit;\r | |
335 | }\r | |
336 | \r | |
337 | Status = gBS->SetTimer (\r | |
338 | ConsoleIn->TimerEvent,\r | |
339 | TimerPeriodic,\r | |
340 | KEYBOARD_TIMER_INTERVAL\r | |
341 | );\r | |
342 | if (EFI_ERROR (Status)) {\r | |
343 | Status = EFI_OUT_OF_RESOURCES;\r | |
344 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
345 | goto ErrorExit;\r | |
346 | }\r | |
347 | \r | |
35dadd7c SZ |
348 | Status = gBS->CreateEvent (\r |
349 | EVT_NOTIFY_SIGNAL,\r | |
350 | TPL_CALLBACK,\r | |
351 | KeyNotifyProcessHandler,\r | |
352 | ConsoleIn,\r | |
353 | &ConsoleIn->KeyNotifyProcessEvent\r | |
354 | );\r | |
355 | if (EFI_ERROR (Status)) {\r | |
356 | Status = EFI_OUT_OF_RESOURCES;\r | |
357 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
358 | goto ErrorExit;\r | |
359 | }\r | |
360 | \r | |
4aa68cbc RN |
361 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
362 | EFI_PROGRESS_CODE,\r | |
363 | EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_PRESENCE_DETECT,\r | |
364 | DevicePath\r | |
365 | );\r | |
366 | \r | |
367 | //\r | |
368 | // Reset the keyboard device\r | |
369 | //\r | |
370 | Status = ConsoleIn->ConInEx.Reset (&ConsoleIn->ConInEx, FeaturePcdGet (PcdPs2KbdExtendedVerification));\r | |
371 | if (EFI_ERROR (Status)) {\r | |
372 | Status = EFI_DEVICE_ERROR;\r | |
373 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_NOT_DETECTED;\r | |
374 | goto ErrorExit;\r | |
375 | }\r | |
376 | \r | |
377 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
378 | EFI_PROGRESS_CODE,\r | |
379 | EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DETECTED,\r | |
380 | DevicePath\r | |
381 | );\r | |
382 | \r | |
383 | ConsoleIn->ControllerNameTable = NULL;\r | |
384 | AddUnicodeString2 (\r | |
385 | "eng",\r | |
386 | gPs2KeyboardComponentName.SupportedLanguages,\r | |
387 | &ConsoleIn->ControllerNameTable,\r | |
388 | L"PS/2 Keyboard Device",\r | |
389 | TRUE\r | |
390 | );\r | |
391 | AddUnicodeString2 (\r | |
392 | "en",\r | |
393 | gPs2KeyboardComponentName2.SupportedLanguages,\r | |
394 | &ConsoleIn->ControllerNameTable,\r | |
395 | L"PS/2 Keyboard Device",\r | |
396 | FALSE\r | |
397 | );\r | |
398 | \r | |
399 | \r | |
400 | //\r | |
401 | // Install protocol interfaces for the keyboard device.\r | |
402 | //\r | |
403 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
404 | &Controller,\r | |
405 | &gEfiSimpleTextInProtocolGuid,\r | |
406 | &ConsoleIn->ConIn,\r | |
407 | &gEfiSimpleTextInputExProtocolGuid,\r | |
408 | &ConsoleIn->ConInEx,\r | |
409 | NULL\r | |
410 | );\r | |
411 | if (EFI_ERROR (Status)) {\r | |
412 | StatusCode = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;\r | |
413 | goto ErrorExit;\r | |
414 | }\r | |
415 | \r | |
416 | return Status;\r | |
417 | \r | |
418 | ErrorExit:\r | |
419 | //\r | |
420 | // Report error code\r | |
421 | //\r | |
422 | if (StatusCode != 0) {\r | |
423 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
424 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
425 | StatusCode,\r | |
426 | DevicePath\r | |
427 | );\r | |
428 | }\r | |
429 | \r | |
430 | if ((ConsoleIn != NULL) && (ConsoleIn->ConIn.WaitForKey != NULL)) {\r | |
431 | gBS->CloseEvent (ConsoleIn->ConIn.WaitForKey);\r | |
432 | }\r | |
433 | \r | |
434 | if ((ConsoleIn != NULL) && (ConsoleIn->TimerEvent != NULL)) {\r | |
435 | gBS->CloseEvent (ConsoleIn->TimerEvent);\r | |
436 | }\r | |
437 | if ((ConsoleIn != NULL) && (ConsoleIn->ConInEx.WaitForKeyEx != NULL)) {\r | |
438 | gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);\r | |
439 | }\r | |
35dadd7c SZ |
440 | if ((ConsoleIn != NULL) && (ConsoleIn->KeyNotifyProcessEvent != NULL)) {\r |
441 | gBS->CloseEvent (ConsoleIn->KeyNotifyProcessEvent);\r | |
442 | }\r | |
4aa68cbc RN |
443 | KbdFreeNotifyList (&ConsoleIn->NotifyList);\r |
444 | if ((ConsoleIn != NULL) && (ConsoleIn->ControllerNameTable != NULL)) {\r | |
445 | FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);\r | |
446 | }\r | |
447 | //\r | |
448 | // Since there will be no timer handler for keyboard input any more,\r | |
449 | // exhaust input data just in case there is still keyboard data left\r | |
450 | //\r | |
451 | if (ConsoleIn != NULL) {\r | |
452 | Status1 = EFI_SUCCESS;\r | |
453 | while (!EFI_ERROR (Status1) && (Status != EFI_DEVICE_ERROR)) {\r | |
454 | Status1 = KeyboardRead (ConsoleIn, &Data);;\r | |
455 | }\r | |
456 | }\r | |
457 | \r | |
458 | if (ConsoleIn != NULL) {\r | |
459 | gBS->FreePool (ConsoleIn);\r | |
460 | }\r | |
461 | \r | |
462 | gBS->CloseProtocol (\r | |
463 | Controller,\r | |
464 | &gEfiSioProtocolGuid,\r | |
465 | This->DriverBindingHandle,\r | |
466 | Controller\r | |
467 | );\r | |
468 | \r | |
469 | return Status;\r | |
470 | }\r | |
471 | \r | |
472 | /**\r | |
ed356b9e | 473 | Stop this driver on ControllerHandle. Support stopping any child handles\r |
4aa68cbc RN |
474 | created by this driver.\r |
475 | \r | |
476 | @param This Protocol instance pointer.\r | |
477 | @param ControllerHandle Handle of device to stop driver on\r | |
478 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
479 | children is zero stop the entire bus driver.\r | |
480 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
481 | \r | |
482 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
483 | @retval other This driver was not removed from this device\r | |
484 | \r | |
485 | **/\r | |
486 | EFI_STATUS\r | |
487 | EFIAPI\r | |
488 | KbdControllerDriverStop (\r | |
489 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
490 | IN EFI_HANDLE Controller,\r | |
491 | IN UINTN NumberOfChildren,\r | |
492 | IN EFI_HANDLE *ChildHandleBuffer\r | |
493 | )\r | |
494 | {\r | |
495 | EFI_STATUS Status;\r | |
496 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL *ConIn;\r | |
497 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
498 | UINT8 Data;\r | |
499 | \r | |
500 | //\r | |
501 | // Disable Keyboard\r | |
502 | //\r | |
503 | Status = gBS->OpenProtocol (\r | |
504 | Controller,\r | |
505 | &gEfiSimpleTextInProtocolGuid,\r | |
506 | (VOID **) &ConIn,\r | |
507 | This->DriverBindingHandle,\r | |
508 | Controller,\r | |
509 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
510 | );\r | |
511 | if (EFI_ERROR (Status)) {\r | |
512 | return Status;\r | |
513 | }\r | |
514 | Status = gBS->OpenProtocol (\r | |
515 | Controller,\r | |
516 | &gEfiSimpleTextInputExProtocolGuid,\r | |
517 | NULL,\r | |
518 | This->DriverBindingHandle,\r | |
519 | Controller,\r | |
520 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
521 | );\r | |
522 | if (EFI_ERROR (Status)) {\r | |
523 | return Status;\r | |
524 | }\r | |
525 | \r | |
526 | ConsoleIn = KEYBOARD_CONSOLE_IN_DEV_FROM_THIS (ConIn);\r | |
527 | \r | |
528 | //\r | |
529 | // Report that the keyboard is being disabled\r | |
530 | //\r | |
531 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
532 | EFI_PROGRESS_CODE,\r | |
533 | EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_DISABLE,\r | |
534 | ConsoleIn->DevicePath\r | |
535 | );\r | |
536 | \r | |
537 | if (ConsoleIn->TimerEvent != NULL) {\r | |
538 | gBS->CloseEvent (ConsoleIn->TimerEvent);\r | |
539 | ConsoleIn->TimerEvent = NULL;\r | |
540 | }\r | |
541 | \r | |
542 | //\r | |
543 | // Since there will be no timer handler for keyboard input any more,\r | |
544 | // exhaust input data just in case there is still keyboard data left\r | |
545 | //\r | |
546 | Status = EFI_SUCCESS;\r | |
547 | while (!EFI_ERROR (Status)) {\r | |
548 | Status = KeyboardRead (ConsoleIn, &Data);;\r | |
549 | }\r | |
550 | //\r | |
551 | // Uninstall the SimpleTextIn and SimpleTextInEx protocols\r | |
552 | //\r | |
553 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
554 | Controller,\r | |
555 | &gEfiSimpleTextInProtocolGuid,\r | |
556 | &ConsoleIn->ConIn,\r | |
557 | &gEfiSimpleTextInputExProtocolGuid,\r | |
558 | &ConsoleIn->ConInEx,\r | |
559 | NULL\r | |
560 | );\r | |
561 | if (EFI_ERROR (Status)) {\r | |
562 | return Status;\r | |
563 | }\r | |
564 | \r | |
565 | gBS->CloseProtocol (\r | |
566 | Controller,\r | |
567 | &gEfiSioProtocolGuid,\r | |
568 | This->DriverBindingHandle,\r | |
569 | Controller\r | |
570 | );\r | |
571 | \r | |
572 | //\r | |
573 | // Free other resources\r | |
574 | //\r | |
575 | if ((ConsoleIn->ConIn).WaitForKey != NULL) {\r | |
576 | gBS->CloseEvent ((ConsoleIn->ConIn).WaitForKey);\r | |
577 | (ConsoleIn->ConIn).WaitForKey = NULL;\r | |
578 | }\r | |
579 | if (ConsoleIn->ConInEx.WaitForKeyEx != NULL) {\r | |
580 | gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);\r | |
581 | ConsoleIn->ConInEx.WaitForKeyEx = NULL;\r | |
582 | }\r | |
35dadd7c SZ |
583 | if (ConsoleIn->KeyNotifyProcessEvent != NULL) {\r |
584 | gBS->CloseEvent (ConsoleIn->KeyNotifyProcessEvent);\r | |
585 | ConsoleIn->KeyNotifyProcessEvent = NULL;\r | |
586 | }\r | |
4aa68cbc RN |
587 | KbdFreeNotifyList (&ConsoleIn->NotifyList);\r |
588 | FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);\r | |
589 | gBS->FreePool (ConsoleIn);\r | |
590 | \r | |
591 | return EFI_SUCCESS;\r | |
592 | }\r | |
593 | \r | |
594 | /**\r | |
595 | Free the waiting key notify list.\r | |
596 | \r | |
597 | @param ListHead Pointer to list head\r | |
598 | \r | |
599 | @retval EFI_INVALID_PARAMETER ListHead is NULL\r | |
600 | @retval EFI_SUCCESS Sucess to free NotifyList\r | |
601 | **/\r | |
602 | EFI_STATUS\r | |
603 | KbdFreeNotifyList (\r | |
604 | IN OUT LIST_ENTRY *ListHead\r | |
605 | )\r | |
606 | {\r | |
607 | KEYBOARD_CONSOLE_IN_EX_NOTIFY *NotifyNode;\r | |
608 | \r | |
609 | if (ListHead == NULL) {\r | |
610 | return EFI_INVALID_PARAMETER;\r | |
611 | }\r | |
612 | while (!IsListEmpty (ListHead)) {\r | |
613 | NotifyNode = CR (\r | |
614 | ListHead->ForwardLink,\r | |
615 | KEYBOARD_CONSOLE_IN_EX_NOTIFY,\r | |
616 | NotifyEntry,\r | |
617 | KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
618 | );\r | |
619 | RemoveEntryList (ListHead->ForwardLink);\r | |
620 | gBS->FreePool (NotifyNode);\r | |
621 | }\r | |
622 | \r | |
623 | return EFI_SUCCESS;\r | |
624 | }\r | |
625 | \r | |
626 | /**\r | |
627 | The module Entry Point for module Ps2Keyboard.\r | |
628 | \r | |
629 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
630 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
631 | \r | |
632 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
633 | @retval other Some error occurs when executing this entry point.\r | |
634 | \r | |
635 | **/\r | |
636 | EFI_STATUS\r | |
637 | EFIAPI\r | |
638 | InitializePs2Keyboard(\r | |
639 | IN EFI_HANDLE ImageHandle,\r | |
640 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
641 | )\r | |
642 | {\r | |
643 | EFI_STATUS Status;\r | |
644 | \r | |
645 | //\r | |
646 | // Install driver model protocol(s).\r | |
647 | //\r | |
648 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
649 | ImageHandle,\r | |
650 | SystemTable,\r | |
651 | &gKeyboardControllerDriver,\r | |
652 | ImageHandle,\r | |
653 | &gPs2KeyboardComponentName,\r | |
654 | &gPs2KeyboardComponentName2\r | |
655 | );\r | |
656 | ASSERT_EFI_ERROR (Status);\r | |
657 | \r | |
658 | \r | |
659 | return Status;\r | |
660 | }\r | |
661 | \r |