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Commit | Line | Data |
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4aa68cbc RN |
1 | /** @file\r |
2 | Routines that access 8042 keyboard controller\r | |
3 | \r | |
c9e6803c | 4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
4aa68cbc RN |
6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "Ps2Keyboard.h"\r | |
10 | \r | |
11 | struct {\r | |
1436aea4 MK |
12 | UINT8 ScanCode; ///< follows value defined in Scan Code Set1\r |
13 | UINT16 EfiScanCode;\r | |
14 | CHAR16 UnicodeChar;\r | |
15 | CHAR16 ShiftUnicodeChar;\r | |
16 | } ConvertKeyboardScanCodeToEfiKey[] = {\r | |
4aa68cbc RN |
17 | {\r |
18 | 0x01, // Escape\r | |
19 | SCAN_ESC,\r | |
20 | 0x0000,\r | |
21 | 0x0000\r | |
22 | },\r | |
23 | {\r | |
24 | 0x02,\r | |
25 | SCAN_NULL,\r | |
26 | L'1',\r | |
27 | L'!'\r | |
28 | },\r | |
29 | {\r | |
30 | 0x03,\r | |
31 | SCAN_NULL,\r | |
32 | L'2',\r | |
33 | L'@'\r | |
34 | },\r | |
35 | {\r | |
36 | 0x04,\r | |
37 | SCAN_NULL,\r | |
38 | L'3',\r | |
39 | L'#'\r | |
40 | },\r | |
41 | {\r | |
42 | 0x05,\r | |
43 | SCAN_NULL,\r | |
44 | L'4',\r | |
45 | L'$'\r | |
46 | },\r | |
47 | {\r | |
48 | 0x06,\r | |
49 | SCAN_NULL,\r | |
50 | L'5',\r | |
51 | L'%'\r | |
52 | },\r | |
53 | {\r | |
54 | 0x07,\r | |
55 | SCAN_NULL,\r | |
56 | L'6',\r | |
57 | L'^'\r | |
58 | },\r | |
59 | {\r | |
60 | 0x08,\r | |
61 | SCAN_NULL,\r | |
62 | L'7',\r | |
63 | L'&'\r | |
64 | },\r | |
65 | {\r | |
66 | 0x09,\r | |
67 | SCAN_NULL,\r | |
68 | L'8',\r | |
69 | L'*'\r | |
70 | },\r | |
71 | {\r | |
72 | 0x0A,\r | |
73 | SCAN_NULL,\r | |
74 | L'9',\r | |
75 | L'('\r | |
76 | },\r | |
77 | {\r | |
78 | 0x0B,\r | |
79 | SCAN_NULL,\r | |
80 | L'0',\r | |
81 | L')'\r | |
82 | },\r | |
83 | {\r | |
84 | 0x0C,\r | |
85 | SCAN_NULL,\r | |
86 | L'-',\r | |
87 | L'_'\r | |
88 | },\r | |
89 | {\r | |
90 | 0x0D,\r | |
91 | SCAN_NULL,\r | |
92 | L'=',\r | |
93 | L'+'\r | |
94 | },\r | |
95 | {\r | |
96 | 0x0E, // BackSpace\r | |
97 | SCAN_NULL,\r | |
98 | 0x0008,\r | |
99 | 0x0008\r | |
100 | },\r | |
101 | {\r | |
102 | 0x0F, // Tab\r | |
103 | SCAN_NULL,\r | |
104 | 0x0009,\r | |
105 | 0x0009\r | |
106 | },\r | |
107 | {\r | |
108 | 0x10,\r | |
109 | SCAN_NULL,\r | |
110 | L'q',\r | |
111 | L'Q'\r | |
112 | },\r | |
113 | {\r | |
114 | 0x11,\r | |
115 | SCAN_NULL,\r | |
116 | L'w',\r | |
117 | L'W'\r | |
118 | },\r | |
119 | {\r | |
120 | 0x12,\r | |
121 | SCAN_NULL,\r | |
122 | L'e',\r | |
123 | L'E'\r | |
124 | },\r | |
125 | {\r | |
126 | 0x13,\r | |
127 | SCAN_NULL,\r | |
128 | L'r',\r | |
129 | L'R'\r | |
130 | },\r | |
131 | {\r | |
132 | 0x14,\r | |
133 | SCAN_NULL,\r | |
134 | L't',\r | |
135 | L'T'\r | |
136 | },\r | |
137 | {\r | |
138 | 0x15,\r | |
139 | SCAN_NULL,\r | |
140 | L'y',\r | |
141 | L'Y'\r | |
142 | },\r | |
143 | {\r | |
144 | 0x16,\r | |
145 | SCAN_NULL,\r | |
146 | L'u',\r | |
147 | L'U'\r | |
148 | },\r | |
149 | {\r | |
150 | 0x17,\r | |
151 | SCAN_NULL,\r | |
152 | L'i',\r | |
153 | L'I'\r | |
154 | },\r | |
155 | {\r | |
156 | 0x18,\r | |
157 | SCAN_NULL,\r | |
158 | L'o',\r | |
159 | L'O'\r | |
160 | },\r | |
161 | {\r | |
162 | 0x19,\r | |
163 | SCAN_NULL,\r | |
164 | L'p',\r | |
165 | L'P'\r | |
166 | },\r | |
167 | {\r | |
168 | 0x1a,\r | |
169 | SCAN_NULL,\r | |
170 | L'[',\r | |
171 | L'{'\r | |
172 | },\r | |
173 | {\r | |
174 | 0x1b,\r | |
175 | SCAN_NULL,\r | |
176 | L']',\r | |
177 | L'}'\r | |
178 | },\r | |
179 | {\r | |
180 | 0x1c, // Enter\r | |
181 | SCAN_NULL,\r | |
182 | 0x000d,\r | |
183 | 0x000d\r | |
184 | },\r | |
185 | {\r | |
186 | 0x1d,\r | |
187 | SCAN_NULL,\r | |
188 | 0x0000,\r | |
189 | 0x0000\r | |
190 | },\r | |
191 | {\r | |
192 | 0x1e,\r | |
193 | SCAN_NULL,\r | |
194 | L'a',\r | |
195 | L'A'\r | |
196 | },\r | |
197 | {\r | |
198 | 0x1f,\r | |
199 | SCAN_NULL,\r | |
200 | L's',\r | |
201 | L'S'\r | |
202 | },\r | |
203 | {\r | |
204 | 0x20,\r | |
205 | SCAN_NULL,\r | |
206 | L'd',\r | |
207 | L'D'\r | |
208 | },\r | |
209 | {\r | |
210 | 0x21,\r | |
211 | SCAN_NULL,\r | |
212 | L'f',\r | |
213 | L'F'\r | |
214 | },\r | |
215 | {\r | |
216 | 0x22,\r | |
217 | SCAN_NULL,\r | |
218 | L'g',\r | |
219 | L'G'\r | |
220 | },\r | |
221 | {\r | |
222 | 0x23,\r | |
223 | SCAN_NULL,\r | |
224 | L'h',\r | |
225 | L'H'\r | |
226 | },\r | |
227 | {\r | |
228 | 0x24,\r | |
229 | SCAN_NULL,\r | |
230 | L'j',\r | |
231 | L'J'\r | |
232 | },\r | |
233 | {\r | |
234 | 0x25,\r | |
235 | SCAN_NULL,\r | |
236 | L'k',\r | |
237 | L'K'\r | |
238 | },\r | |
239 | {\r | |
240 | 0x26,\r | |
241 | SCAN_NULL,\r | |
242 | L'l',\r | |
243 | L'L'\r | |
244 | },\r | |
245 | {\r | |
246 | 0x27,\r | |
247 | SCAN_NULL,\r | |
248 | L';',\r | |
249 | L':'\r | |
250 | },\r | |
251 | {\r | |
252 | 0x28,\r | |
253 | SCAN_NULL,\r | |
254 | L'\'',\r | |
255 | L'"'\r | |
256 | },\r | |
257 | {\r | |
258 | 0x29,\r | |
259 | SCAN_NULL,\r | |
260 | L'`',\r | |
261 | L'~'\r | |
262 | },\r | |
263 | {\r | |
264 | 0x2a, // Left Shift\r | |
265 | SCAN_NULL,\r | |
266 | 0x0000,\r | |
267 | 0x0000\r | |
268 | },\r | |
269 | {\r | |
270 | 0x2b,\r | |
271 | SCAN_NULL,\r | |
272 | L'\\',\r | |
273 | L'|'\r | |
274 | },\r | |
275 | {\r | |
276 | 0x2c,\r | |
277 | SCAN_NULL,\r | |
278 | L'z',\r | |
279 | L'Z'\r | |
280 | },\r | |
281 | {\r | |
282 | 0x2d,\r | |
283 | SCAN_NULL,\r | |
284 | L'x',\r | |
285 | L'X'\r | |
286 | },\r | |
287 | {\r | |
288 | 0x2e,\r | |
289 | SCAN_NULL,\r | |
290 | L'c',\r | |
291 | L'C'\r | |
292 | },\r | |
293 | {\r | |
294 | 0x2f,\r | |
295 | SCAN_NULL,\r | |
296 | L'v',\r | |
297 | L'V'\r | |
298 | },\r | |
299 | {\r | |
300 | 0x30,\r | |
301 | SCAN_NULL,\r | |
302 | L'b',\r | |
303 | L'B'\r | |
304 | },\r | |
305 | {\r | |
306 | 0x31,\r | |
307 | SCAN_NULL,\r | |
308 | L'n',\r | |
309 | L'N'\r | |
310 | },\r | |
311 | {\r | |
312 | 0x32,\r | |
313 | SCAN_NULL,\r | |
314 | L'm',\r | |
315 | L'M'\r | |
316 | },\r | |
317 | {\r | |
318 | 0x33,\r | |
319 | SCAN_NULL,\r | |
320 | L',',\r | |
321 | L'<'\r | |
322 | },\r | |
323 | {\r | |
324 | 0x34,\r | |
325 | SCAN_NULL,\r | |
326 | L'.',\r | |
327 | L'>'\r | |
328 | },\r | |
329 | {\r | |
330 | 0x35,\r | |
331 | SCAN_NULL,\r | |
332 | L'/',\r | |
333 | L'?'\r | |
334 | },\r | |
335 | {\r | |
1436aea4 | 336 | 0x36, // Right Shift\r |
4aa68cbc RN |
337 | SCAN_NULL,\r |
338 | 0x0000,\r | |
339 | 0x0000\r | |
340 | },\r | |
341 | {\r | |
342 | 0x37, // Numeric Keypad *\r | |
343 | SCAN_NULL,\r | |
344 | L'*',\r | |
345 | L'*'\r | |
346 | },\r | |
347 | {\r | |
1436aea4 | 348 | 0x38, // Left Alt/Extended Right Alt\r |
4aa68cbc RN |
349 | SCAN_NULL,\r |
350 | 0x0000,\r | |
351 | 0x0000\r | |
352 | },\r | |
353 | {\r | |
354 | 0x39,\r | |
355 | SCAN_NULL,\r | |
356 | L' ',\r | |
357 | L' '\r | |
358 | },\r | |
359 | {\r | |
1436aea4 | 360 | 0x3A, // CapsLock\r |
4aa68cbc RN |
361 | SCAN_NULL,\r |
362 | 0x0000,\r | |
363 | 0x0000\r | |
364 | },\r | |
365 | {\r | |
366 | 0x3B,\r | |
367 | SCAN_F1,\r | |
368 | 0x0000,\r | |
369 | 0x0000\r | |
370 | },\r | |
371 | {\r | |
372 | 0x3C,\r | |
373 | SCAN_F2,\r | |
374 | 0x0000,\r | |
375 | 0x0000\r | |
376 | },\r | |
377 | {\r | |
378 | 0x3D,\r | |
379 | SCAN_F3,\r | |
380 | 0x0000,\r | |
381 | 0x0000\r | |
382 | },\r | |
383 | {\r | |
384 | 0x3E,\r | |
385 | SCAN_F4,\r | |
386 | 0x0000,\r | |
387 | 0x0000\r | |
388 | },\r | |
389 | {\r | |
390 | 0x3F,\r | |
391 | SCAN_F5,\r | |
392 | 0x0000,\r | |
393 | 0x0000\r | |
394 | },\r | |
395 | {\r | |
396 | 0x40,\r | |
397 | SCAN_F6,\r | |
398 | 0x0000,\r | |
399 | 0x0000\r | |
400 | },\r | |
401 | {\r | |
402 | 0x41,\r | |
403 | SCAN_F7,\r | |
404 | 0x0000,\r | |
405 | 0x0000\r | |
406 | },\r | |
407 | {\r | |
408 | 0x42,\r | |
409 | SCAN_F8,\r | |
410 | 0x0000,\r | |
411 | 0x0000\r | |
412 | },\r | |
413 | {\r | |
414 | 0x43,\r | |
415 | SCAN_F9,\r | |
416 | 0x0000,\r | |
417 | 0x0000\r | |
418 | },\r | |
419 | {\r | |
420 | 0x44,\r | |
421 | SCAN_F10,\r | |
422 | 0x0000,\r | |
423 | 0x0000\r | |
424 | },\r | |
425 | {\r | |
426 | 0x45, // NumLock\r | |
427 | SCAN_NULL,\r | |
428 | 0x0000,\r | |
429 | 0x0000\r | |
430 | },\r | |
431 | {\r | |
432 | 0x46, // ScrollLock\r | |
433 | SCAN_NULL,\r | |
434 | 0x0000,\r | |
435 | 0x0000\r | |
436 | },\r | |
437 | {\r | |
438 | 0x47,\r | |
439 | SCAN_HOME,\r | |
440 | L'7',\r | |
441 | L'7'\r | |
442 | },\r | |
443 | {\r | |
444 | 0x48,\r | |
445 | SCAN_UP,\r | |
446 | L'8',\r | |
447 | L'8'\r | |
448 | },\r | |
449 | {\r | |
450 | 0x49,\r | |
451 | SCAN_PAGE_UP,\r | |
452 | L'9',\r | |
453 | L'9'\r | |
454 | },\r | |
455 | {\r | |
456 | 0x4a,\r | |
457 | SCAN_NULL,\r | |
458 | L'-',\r | |
459 | L'-'\r | |
460 | },\r | |
461 | {\r | |
462 | 0x4b,\r | |
463 | SCAN_LEFT,\r | |
464 | L'4',\r | |
465 | L'4'\r | |
466 | },\r | |
467 | {\r | |
468 | 0x4c, // Numeric Keypad 5\r | |
469 | SCAN_NULL,\r | |
470 | L'5',\r | |
471 | L'5'\r | |
472 | },\r | |
473 | {\r | |
474 | 0x4d,\r | |
475 | SCAN_RIGHT,\r | |
476 | L'6',\r | |
477 | L'6'\r | |
478 | },\r | |
479 | {\r | |
480 | 0x4e,\r | |
481 | SCAN_NULL,\r | |
482 | L'+',\r | |
483 | L'+'\r | |
484 | },\r | |
485 | {\r | |
486 | 0x4f,\r | |
487 | SCAN_END,\r | |
488 | L'1',\r | |
489 | L'1'\r | |
490 | },\r | |
491 | {\r | |
492 | 0x50,\r | |
493 | SCAN_DOWN,\r | |
494 | L'2',\r | |
495 | L'2'\r | |
496 | },\r | |
497 | {\r | |
498 | 0x51,\r | |
499 | SCAN_PAGE_DOWN,\r | |
500 | L'3',\r | |
501 | L'3'\r | |
502 | },\r | |
503 | {\r | |
504 | 0x52,\r | |
505 | SCAN_INSERT,\r | |
506 | L'0',\r | |
507 | L'0'\r | |
508 | },\r | |
509 | {\r | |
510 | 0x53,\r | |
511 | SCAN_DELETE,\r | |
512 | L'.',\r | |
513 | L'.'\r | |
514 | },\r | |
515 | {\r | |
516 | 0x57,\r | |
517 | SCAN_F11,\r | |
518 | 0x0000,\r | |
519 | 0x0000\r | |
520 | },\r | |
521 | {\r | |
522 | 0x58,\r | |
523 | SCAN_F12,\r | |
524 | 0x0000,\r | |
525 | 0x0000\r | |
526 | },\r | |
527 | {\r | |
1436aea4 | 528 | 0x5B, // Left LOGO\r |
4aa68cbc RN |
529 | SCAN_NULL,\r |
530 | 0x0000,\r | |
531 | 0x0000\r | |
532 | },\r | |
533 | {\r | |
1436aea4 | 534 | 0x5C, // Right LOGO\r |
4aa68cbc RN |
535 | SCAN_NULL,\r |
536 | 0x0000,\r | |
537 | 0x0000\r | |
538 | },\r | |
539 | {\r | |
1436aea4 | 540 | 0x5D, // Menu key\r |
4aa68cbc RN |
541 | SCAN_NULL,\r |
542 | 0x0000,\r | |
543 | 0x0000\r | |
544 | },\r | |
545 | {\r | |
546 | TABLE_END,\r | |
547 | TABLE_END,\r | |
548 | SCAN_NULL,\r | |
549 | SCAN_NULL\r | |
550 | },\r | |
551 | };\r | |
552 | \r | |
553 | //\r | |
554 | // The WaitForValue time out\r | |
555 | //\r | |
556 | UINTN mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
557 | \r | |
1436aea4 | 558 | BOOLEAN mEnableMouseInterface;\r |
4aa68cbc RN |
559 | \r |
560 | /**\r | |
561 | Return the count of scancode in the queue.\r | |
562 | \r | |
563 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
564 | \r | |
565 | @return Count of the scancode.\r | |
566 | **/\r | |
567 | UINTN\r | |
568 | GetScancodeBufCount (\r | |
1436aea4 | 569 | IN SCAN_CODE_QUEUE *Queue\r |
4aa68cbc RN |
570 | )\r |
571 | {\r | |
572 | if (Queue->Head <= Queue->Tail) {\r | |
573 | return Queue->Tail - Queue->Head;\r | |
574 | } else {\r | |
575 | return Queue->Tail + KEYBOARD_SCAN_CODE_MAX_COUNT - Queue->Head;\r | |
576 | }\r | |
577 | }\r | |
578 | \r | |
579 | /**\r | |
580 | Read several bytes from the scancode buffer without removing them.\r | |
581 | This function is called to see if there are enough bytes of scancode\r | |
582 | representing a single key.\r | |
583 | \r | |
584 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
585 | @param Count Number of bytes to be read\r | |
586 | @param Buf Store the results\r | |
587 | \r | |
588 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
589 | @retval EFI_NOT_READY invalid parameter\r | |
590 | **/\r | |
591 | EFI_STATUS\r | |
592 | GetScancodeBufHead (\r | |
1436aea4 MK |
593 | IN SCAN_CODE_QUEUE *Queue,\r |
594 | IN UINTN Count,\r | |
595 | OUT UINT8 *Buf\r | |
4aa68cbc RN |
596 | )\r |
597 | {\r | |
1436aea4 MK |
598 | UINTN Index;\r |
599 | UINTN Pos;\r | |
4aa68cbc RN |
600 | \r |
601 | //\r | |
602 | // check the valid range of parameter 'Count'\r | |
603 | //\r | |
604 | if (GetScancodeBufCount (Queue) < Count) {\r | |
605 | return EFI_NOT_READY;\r | |
606 | }\r | |
1436aea4 | 607 | \r |
4aa68cbc RN |
608 | //\r |
609 | // retrieve the values\r | |
610 | //\r | |
611 | for (Index = 0, Pos = Queue->Head; Index < Count; Index++, Pos = (Pos + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {\r | |
612 | Buf[Index] = Queue->Buffer[Pos];\r | |
613 | }\r | |
614 | \r | |
615 | return EFI_SUCCESS;\r | |
616 | }\r | |
617 | \r | |
618 | /**\r | |
619 | \r | |
620 | Read & remove several bytes from the scancode buffer.\r | |
621 | This function is usually called after GetScancodeBufHead()\r | |
622 | \r | |
623 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
624 | @param Count Number of bytes to be read\r | |
625 | @param Buf Store the results\r | |
626 | \r | |
627 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
628 | @retval EFI_NOT_READY invalid parameter\r | |
629 | **/\r | |
630 | EFI_STATUS\r | |
631 | PopScancodeBufHead (\r | |
1436aea4 MK |
632 | IN SCAN_CODE_QUEUE *Queue,\r |
633 | IN UINTN Count,\r | |
634 | OUT UINT8 *Buf OPTIONAL\r | |
4aa68cbc RN |
635 | )\r |
636 | {\r | |
1436aea4 | 637 | UINTN Index;\r |
4aa68cbc RN |
638 | \r |
639 | //\r | |
640 | // Check the valid range of parameter 'Count'\r | |
641 | //\r | |
642 | if (GetScancodeBufCount (Queue) < Count) {\r | |
643 | return EFI_NOT_READY;\r | |
644 | }\r | |
1436aea4 | 645 | \r |
4aa68cbc RN |
646 | //\r |
647 | // Retrieve and remove the values\r | |
648 | //\r | |
649 | for (Index = 0; Index < Count; Index++, Queue->Head = (Queue->Head + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {\r | |
650 | if (Buf != NULL) {\r | |
651 | Buf[Index] = Queue->Buffer[Queue->Head];\r | |
652 | }\r | |
653 | }\r | |
654 | \r | |
655 | return EFI_SUCCESS;\r | |
656 | }\r | |
657 | \r | |
658 | /**\r | |
659 | Push one byte to the scancode buffer.\r | |
660 | \r | |
661 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
662 | @param Scancode The byte to push.\r | |
663 | **/\r | |
664 | VOID\r | |
665 | PushScancodeBufTail (\r | |
1436aea4 MK |
666 | IN SCAN_CODE_QUEUE *Queue,\r |
667 | IN UINT8 Scancode\r | |
4aa68cbc RN |
668 | )\r |
669 | {\r | |
670 | if (GetScancodeBufCount (Queue) == KEYBOARD_SCAN_CODE_MAX_COUNT - 1) {\r | |
671 | PopScancodeBufHead (Queue, 1, NULL);\r | |
672 | }\r | |
673 | \r | |
674 | Queue->Buffer[Queue->Tail] = Scancode;\r | |
1436aea4 | 675 | Queue->Tail = (Queue->Tail + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT;\r |
4aa68cbc RN |
676 | }\r |
677 | \r | |
678 | /**\r | |
679 | Read data register .\r | |
680 | \r | |
681 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
682 | \r | |
683 | @return return the value\r | |
684 | \r | |
685 | **/\r | |
686 | UINT8\r | |
687 | KeyReadDataRegister (\r | |
1436aea4 | 688 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
4aa68cbc RN |
689 | )\r |
690 | \r | |
691 | {\r | |
692 | return IoRead8 (ConsoleIn->DataRegisterAddress);\r | |
693 | }\r | |
694 | \r | |
695 | /**\r | |
696 | Write data register.\r | |
697 | \r | |
698 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
699 | @param Data value wanted to be written\r | |
700 | \r | |
701 | **/\r | |
702 | VOID\r | |
703 | KeyWriteDataRegister (\r | |
1436aea4 MK |
704 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
705 | IN UINT8 Data\r | |
4aa68cbc RN |
706 | )\r |
707 | {\r | |
708 | IoWrite8 (ConsoleIn->DataRegisterAddress, Data);\r | |
709 | }\r | |
710 | \r | |
711 | /**\r | |
712 | Read status register.\r | |
713 | \r | |
714 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
715 | \r | |
716 | @return value in status register\r | |
717 | \r | |
718 | **/\r | |
719 | UINT8\r | |
720 | KeyReadStatusRegister (\r | |
1436aea4 | 721 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
4aa68cbc RN |
722 | )\r |
723 | {\r | |
724 | return IoRead8 (ConsoleIn->StatusRegisterAddress);\r | |
725 | }\r | |
726 | \r | |
727 | /**\r | |
728 | Write command register .\r | |
729 | \r | |
730 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
731 | @param Data The value wanted to be written\r | |
732 | \r | |
733 | **/\r | |
734 | VOID\r | |
735 | KeyWriteCommandRegister (\r | |
1436aea4 MK |
736 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
737 | IN UINT8 Data\r | |
4aa68cbc RN |
738 | )\r |
739 | {\r | |
740 | IoWrite8 (ConsoleIn->CommandRegisterAddress, Data);\r | |
741 | }\r | |
742 | \r | |
743 | /**\r | |
744 | Display error message.\r | |
745 | \r | |
746 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
747 | @param ErrMsg Unicode string of error message\r | |
748 | \r | |
749 | **/\r | |
750 | VOID\r | |
751 | KeyboardError (\r | |
1436aea4 MK |
752 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
753 | IN CHAR16 *ErrMsg\r | |
4aa68cbc RN |
754 | )\r |
755 | {\r | |
756 | ConsoleIn->KeyboardErr = TRUE;\r | |
757 | }\r | |
758 | \r | |
759 | /**\r | |
760 | Timer event handler: read a series of scancodes from 8042\r | |
761 | and put them into memory scancode buffer.\r | |
762 | it read as much scancodes to either fill\r | |
763 | the memory buffer or empty the keyboard buffer.\r | |
764 | It is registered as running under TPL_NOTIFY\r | |
765 | \r | |
766 | @param Event The timer event\r | |
767 | @param Context A KEYBOARD_CONSOLE_IN_DEV pointer\r | |
768 | \r | |
769 | **/\r | |
770 | VOID\r | |
771 | EFIAPI\r | |
772 | KeyboardTimerHandler (\r | |
1436aea4 MK |
773 | IN EFI_EVENT Event,\r |
774 | IN VOID *Context\r | |
4aa68cbc RN |
775 | )\r |
776 | \r | |
777 | {\r | |
1436aea4 MK |
778 | UINT8 Data;\r |
779 | EFI_TPL OldTpl;\r | |
780 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
4aa68cbc | 781 | \r |
1436aea4 | 782 | ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *)Context;\r |
4aa68cbc RN |
783 | \r |
784 | //\r | |
785 | // Enter critical section\r | |
786 | //\r | |
787 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
788 | \r | |
1436aea4 | 789 | if (((KEYBOARD_CONSOLE_IN_DEV *)Context)->KeyboardErr) {\r |
4aa68cbc RN |
790 | //\r |
791 | // Leave critical section and return\r | |
792 | //\r | |
793 | gBS->RestoreTPL (OldTpl);\r | |
1436aea4 | 794 | return;\r |
4aa68cbc RN |
795 | }\r |
796 | \r | |
797 | //\r | |
798 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r | |
799 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r | |
1d031e75 | 800 | // error in the following code and wait for the input buffer empty, this waiting time should be short enough since\r |
4aa68cbc RN |
801 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r |
802 | // Just skip the 'resend' process simply.\r | |
803 | //\r | |
804 | \r | |
805 | while ((KeyReadStatusRegister (ConsoleIn) & (KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT|KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA)) ==\r | |
1436aea4 MK |
806 | KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA\r |
807 | )\r | |
808 | {\r | |
4aa68cbc RN |
809 | //\r |
810 | // Read one byte of the scan code and store it into the memory buffer\r | |
811 | //\r | |
812 | Data = KeyReadDataRegister (ConsoleIn);\r | |
813 | PushScancodeBufTail (&ConsoleIn->ScancodeQueue, Data);\r | |
814 | }\r | |
1436aea4 | 815 | \r |
4aa68cbc RN |
816 | KeyGetchar (ConsoleIn);\r |
817 | \r | |
818 | //\r | |
819 | // Leave critical section and return\r | |
820 | //\r | |
821 | gBS->RestoreTPL (OldTpl);\r | |
822 | }\r | |
823 | \r | |
824 | /**\r | |
825 | Read key value .\r | |
826 | \r | |
827 | @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
828 | @param Data - Pointer to outof buffer for keeping key value\r | |
829 | \r | |
1d031e75 | 830 | @retval EFI_TIMEOUT Status register time out\r |
4aa68cbc RN |
831 | @retval EFI_SUCCESS Success to read keyboard\r |
832 | \r | |
833 | **/\r | |
834 | EFI_STATUS\r | |
835 | KeyboardRead (\r | |
836 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
837 | OUT UINT8 *Data\r | |
838 | )\r | |
839 | \r | |
840 | {\r | |
841 | UINT32 TimeOut;\r | |
842 | UINT32 RegFilled;\r | |
843 | \r | |
844 | TimeOut = 0;\r | |
845 | RegFilled = 0;\r | |
846 | \r | |
847 | //\r | |
848 | // wait till output buffer full then perform the read\r | |
849 | //\r | |
850 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
851 | if (KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) {\r | |
852 | RegFilled = 1;\r | |
853 | *Data = KeyReadDataRegister (ConsoleIn);\r | |
854 | break;\r | |
855 | }\r | |
856 | \r | |
857 | MicroSecondDelay (30);\r | |
858 | }\r | |
859 | \r | |
860 | if (RegFilled == 0) {\r | |
861 | return EFI_TIMEOUT;\r | |
862 | }\r | |
863 | \r | |
864 | return EFI_SUCCESS;\r | |
865 | }\r | |
866 | \r | |
867 | /**\r | |
868 | write key to keyboard\r | |
869 | \r | |
870 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
871 | @param Data value wanted to be written\r | |
872 | \r | |
873 | @retval EFI_TIMEOUT The input buffer register is full for putting new value util timeout\r | |
1d031e75 | 874 | @retval EFI_SUCCESS The new value is success put into input buffer register.\r |
4aa68cbc RN |
875 | \r |
876 | **/\r | |
877 | EFI_STATUS\r | |
878 | KeyboardWrite (\r | |
1436aea4 MK |
879 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
880 | IN UINT8 Data\r | |
4aa68cbc RN |
881 | )\r |
882 | {\r | |
883 | UINT32 TimeOut;\r | |
884 | UINT32 RegEmptied;\r | |
885 | \r | |
1436aea4 MK |
886 | TimeOut = 0;\r |
887 | RegEmptied = 0;\r | |
4aa68cbc RN |
888 | \r |
889 | //\r | |
890 | // wait for input buffer empty\r | |
891 | //\r | |
892 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
893 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r | |
894 | RegEmptied = 1;\r | |
895 | break;\r | |
896 | }\r | |
897 | \r | |
898 | MicroSecondDelay (30);\r | |
899 | }\r | |
900 | \r | |
901 | if (RegEmptied == 0) {\r | |
902 | return EFI_TIMEOUT;\r | |
903 | }\r | |
1436aea4 | 904 | \r |
4aa68cbc RN |
905 | //\r |
906 | // Write it\r | |
907 | //\r | |
908 | KeyWriteDataRegister (ConsoleIn, Data);\r | |
909 | \r | |
910 | return EFI_SUCCESS;\r | |
911 | }\r | |
912 | \r | |
913 | /**\r | |
914 | Issue keyboard command.\r | |
915 | \r | |
916 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
917 | @param Data The buff holding the command\r | |
918 | \r | |
919 | @retval EFI_TIMEOUT Keyboard is not ready to issuing\r | |
920 | @retval EFI_SUCCESS Success to issue keyboard command\r | |
921 | \r | |
922 | **/\r | |
923 | EFI_STATUS\r | |
924 | KeyboardCommand (\r | |
1436aea4 MK |
925 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
926 | IN UINT8 Data\r | |
4aa68cbc RN |
927 | )\r |
928 | {\r | |
929 | UINT32 TimeOut;\r | |
930 | UINT32 RegEmptied;\r | |
931 | \r | |
1436aea4 MK |
932 | TimeOut = 0;\r |
933 | RegEmptied = 0;\r | |
4aa68cbc RN |
934 | \r |
935 | //\r | |
936 | // Wait For Input Buffer Empty\r | |
937 | //\r | |
938 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
939 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r | |
940 | RegEmptied = 1;\r | |
941 | break;\r | |
942 | }\r | |
943 | \r | |
944 | MicroSecondDelay (30);\r | |
945 | }\r | |
946 | \r | |
947 | if (RegEmptied == 0) {\r | |
948 | return EFI_TIMEOUT;\r | |
949 | }\r | |
1436aea4 | 950 | \r |
4aa68cbc RN |
951 | //\r |
952 | // issue the command\r | |
953 | //\r | |
954 | KeyWriteCommandRegister (ConsoleIn, Data);\r | |
955 | \r | |
956 | //\r | |
957 | // Wait For Input Buffer Empty again\r | |
958 | //\r | |
959 | RegEmptied = 0;\r | |
960 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
961 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r | |
962 | RegEmptied = 1;\r | |
963 | break;\r | |
964 | }\r | |
965 | \r | |
966 | MicroSecondDelay (30);\r | |
967 | }\r | |
968 | \r | |
969 | if (RegEmptied == 0) {\r | |
970 | return EFI_TIMEOUT;\r | |
971 | }\r | |
972 | \r | |
973 | return EFI_SUCCESS;\r | |
974 | }\r | |
975 | \r | |
976 | /**\r | |
977 | wait for a specific value to be presented on\r | |
978 | 8042 Data register by keyboard and then read it,\r | |
979 | used in keyboard commands ack\r | |
980 | \r | |
981 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
982 | @param Value the value wanted to be waited.\r | |
983 | \r | |
984 | @retval EFI_TIMEOUT Fail to get specific value in given time\r | |
985 | @retval EFI_SUCCESS Success to get specific value in given time.\r | |
986 | \r | |
987 | **/\r | |
988 | EFI_STATUS\r | |
989 | KeyboardWaitForValue (\r | |
1436aea4 MK |
990 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
991 | IN UINT8 Value\r | |
4aa68cbc RN |
992 | )\r |
993 | {\r | |
994 | UINT8 Data;\r | |
995 | UINT32 TimeOut;\r | |
996 | UINT32 SumTimeOut;\r | |
997 | UINT32 GotIt;\r | |
998 | \r | |
1436aea4 MK |
999 | GotIt = 0;\r |
1000 | TimeOut = 0;\r | |
1001 | SumTimeOut = 0;\r | |
4aa68cbc RN |
1002 | \r |
1003 | //\r | |
1004 | // Make sure the initial value of 'Data' is different from 'Value'\r | |
1005 | //\r | |
1006 | Data = 0;\r | |
1007 | if (Data == Value) {\r | |
1008 | Data = 1;\r | |
1009 | }\r | |
1436aea4 | 1010 | \r |
4aa68cbc RN |
1011 | //\r |
1012 | // Read from 8042 (multiple times if needed)\r | |
1013 | // until the expected value appears\r | |
1014 | // use SumTimeOut to control the iteration\r | |
1015 | //\r | |
1016 | while (1) {\r | |
1017 | //\r | |
1018 | // Perform a read\r | |
1019 | //\r | |
1020 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1021 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r | |
1022 | Data = KeyReadDataRegister (ConsoleIn);\r | |
1023 | break;\r | |
1024 | }\r | |
1025 | \r | |
1026 | MicroSecondDelay (30);\r | |
1027 | }\r | |
1028 | \r | |
1029 | SumTimeOut += TimeOut;\r | |
1030 | \r | |
1031 | if (Data == Value) {\r | |
1032 | GotIt = 1;\r | |
1033 | break;\r | |
1034 | }\r | |
1035 | \r | |
1036 | if (SumTimeOut >= mWaitForValueTimeOut) {\r | |
1037 | break;\r | |
1038 | }\r | |
1039 | }\r | |
1436aea4 | 1040 | \r |
4aa68cbc RN |
1041 | //\r |
1042 | // Check results\r | |
1043 | //\r | |
1044 | if (GotIt == 1) {\r | |
1045 | return EFI_SUCCESS;\r | |
1046 | } else {\r | |
1047 | return EFI_TIMEOUT;\r | |
1048 | }\r | |
4aa68cbc RN |
1049 | }\r |
1050 | \r | |
1051 | /**\r | |
1052 | Show keyboard status lights according to\r | |
1053 | indicators in ConsoleIn.\r | |
1054 | \r | |
1055 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
1056 | \r | |
1057 | @return status of updating keyboard register\r | |
1058 | \r | |
1059 | **/\r | |
1060 | EFI_STATUS\r | |
1061 | UpdateStatusLights (\r | |
1436aea4 | 1062 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
4aa68cbc RN |
1063 | )\r |
1064 | {\r | |
1065 | EFI_STATUS Status;\r | |
1066 | UINT8 Command;\r | |
1067 | \r | |
1068 | //\r | |
1069 | // Send keyboard command\r | |
1070 | //\r | |
1071 | Status = KeyboardWrite (ConsoleIn, 0xed);\r | |
1072 | if (EFI_ERROR (Status)) {\r | |
1073 | return Status;\r | |
1074 | }\r | |
1075 | \r | |
1076 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1077 | \r | |
1078 | //\r | |
1079 | // Light configuration\r | |
1080 | //\r | |
1081 | Command = 0;\r | |
1082 | if (ConsoleIn->CapsLock) {\r | |
1083 | Command |= 4;\r | |
1084 | }\r | |
1085 | \r | |
1086 | if (ConsoleIn->NumLock) {\r | |
1087 | Command |= 2;\r | |
1088 | }\r | |
1089 | \r | |
1090 | if (ConsoleIn->ScrollLock) {\r | |
1091 | Command |= 1;\r | |
1092 | }\r | |
1093 | \r | |
1094 | Status = KeyboardWrite (ConsoleIn, Command);\r | |
1095 | \r | |
1096 | if (EFI_ERROR (Status)) {\r | |
1097 | return Status;\r | |
1098 | }\r | |
1099 | \r | |
1100 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1101 | return Status;\r | |
1102 | }\r | |
1103 | \r | |
c9e6803c RN |
1104 | /**\r |
1105 | Initialize the key state.\r | |
1106 | \r | |
1107 | @param ConsoleIn The KEYBOARD_CONSOLE_IN_DEV instance.\r | |
1108 | @param KeyState A pointer to receive the key state information.\r | |
1109 | **/\r | |
1110 | VOID\r | |
1111 | InitializeKeyState (\r | |
1436aea4 MK |
1112 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
1113 | OUT EFI_KEY_STATE *KeyState\r | |
c9e6803c RN |
1114 | )\r |
1115 | {\r | |
1436aea4 MK |
1116 | KeyState->KeyShiftState = EFI_SHIFT_STATE_VALID\r |
1117 | | (ConsoleIn->LeftCtrl ? EFI_LEFT_CONTROL_PRESSED : 0)\r | |
1118 | | (ConsoleIn->RightCtrl ? EFI_RIGHT_CONTROL_PRESSED : 0)\r | |
1119 | | (ConsoleIn->LeftAlt ? EFI_LEFT_ALT_PRESSED : 0)\r | |
1120 | | (ConsoleIn->RightAlt ? EFI_RIGHT_ALT_PRESSED : 0)\r | |
1121 | | (ConsoleIn->LeftShift ? EFI_LEFT_SHIFT_PRESSED : 0)\r | |
1122 | | (ConsoleIn->RightShift ? EFI_RIGHT_SHIFT_PRESSED : 0)\r | |
1123 | | (ConsoleIn->LeftLogo ? EFI_LEFT_LOGO_PRESSED : 0)\r | |
1124 | | (ConsoleIn->RightLogo ? EFI_RIGHT_LOGO_PRESSED : 0)\r | |
1125 | | (ConsoleIn->Menu ? EFI_MENU_KEY_PRESSED : 0)\r | |
1126 | | (ConsoleIn->SysReq ? EFI_SYS_REQ_PRESSED : 0)\r | |
1127 | ;\r | |
c9e6803c | 1128 | KeyState->KeyToggleState = EFI_TOGGLE_STATE_VALID\r |
1436aea4 MK |
1129 | | (ConsoleIn->CapsLock ? EFI_CAPS_LOCK_ACTIVE : 0)\r |
1130 | | (ConsoleIn->NumLock ? EFI_NUM_LOCK_ACTIVE : 0)\r | |
1131 | | (ConsoleIn->ScrollLock ? EFI_SCROLL_LOCK_ACTIVE : 0)\r | |
1132 | | (ConsoleIn->IsSupportPartialKey ? EFI_KEY_STATE_EXPOSED : 0)\r | |
1133 | ;\r | |
c9e6803c RN |
1134 | }\r |
1135 | \r | |
4aa68cbc RN |
1136 | /**\r |
1137 | Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.\r | |
1138 | \r | |
1139 | The function is always called in TPL_NOTIFY.\r | |
1140 | \r | |
1141 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r | |
1142 | \r | |
1143 | **/\r | |
1144 | VOID\r | |
1145 | KeyGetchar (\r | |
1436aea4 | 1146 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
4aa68cbc RN |
1147 | )\r |
1148 | {\r | |
1149 | EFI_STATUS Status;\r | |
1150 | UINT16 ScanCode;\r | |
1151 | BOOLEAN Extend0;\r | |
1152 | BOOLEAN Extend1;\r | |
1153 | UINTN Index;\r | |
1154 | EFI_KEY_DATA KeyData;\r | |
1155 | LIST_ENTRY *Link;\r | |
1156 | KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
1157 | //\r | |
1158 | // 3 bytes most\r | |
1159 | //\r | |
1436aea4 MK |
1160 | UINT8 ScancodeArr[3];\r |
1161 | UINT32 ScancodeArrPos;\r | |
4aa68cbc RN |
1162 | \r |
1163 | //\r | |
1164 | // Check if there are enough bytes of scancode representing a single key\r | |
1165 | // available in the buffer\r | |
1166 | //\r | |
1167 | while (TRUE) {\r | |
1168 | Extend0 = FALSE;\r | |
1169 | Extend1 = FALSE;\r | |
1170 | ScancodeArrPos = 0;\r | |
1436aea4 | 1171 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r |
4aa68cbc | 1172 | if (EFI_ERROR (Status)) {\r |
1436aea4 | 1173 | return;\r |
4aa68cbc RN |
1174 | }\r |
1175 | \r | |
1176 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED0) {\r | |
1177 | //\r | |
1178 | // E0 to look ahead 2 bytes\r | |
1179 | //\r | |
1436aea4 | 1180 | Extend0 = TRUE;\r |
4aa68cbc RN |
1181 | ScancodeArrPos = 1;\r |
1182 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
1183 | if (EFI_ERROR (Status)) {\r | |
1436aea4 | 1184 | return;\r |
4aa68cbc RN |
1185 | }\r |
1186 | } else if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {\r | |
1187 | //\r | |
1188 | // E1 to look ahead 3 bytes\r | |
1189 | //\r | |
1436aea4 | 1190 | Extend1 = TRUE;\r |
4aa68cbc RN |
1191 | ScancodeArrPos = 2;\r |
1192 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
1193 | if (EFI_ERROR (Status)) {\r | |
1436aea4 | 1194 | return;\r |
4aa68cbc RN |
1195 | }\r |
1196 | }\r | |
1436aea4 | 1197 | \r |
4aa68cbc RN |
1198 | //\r |
1199 | // if we reach this position, scancodes for a key is in buffer now,pop them\r | |
1200 | //\r | |
1201 | Status = PopScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
1202 | ASSERT_EFI_ERROR (Status);\r | |
1203 | \r | |
1204 | //\r | |
1205 | // store the last available byte, this byte of scancode will be checked\r | |
1206 | //\r | |
1207 | ScanCode = ScancodeArr[ScancodeArrPos];\r | |
1208 | \r | |
1209 | if (!Extend1) {\r | |
1210 | //\r | |
1211 | // Check for special keys and update the driver state.\r | |
1212 | //\r | |
1213 | switch (ScanCode) {\r | |
1436aea4 MK |
1214 | case SCANCODE_CTRL_MAKE:\r |
1215 | if (Extend0) {\r | |
1216 | ConsoleIn->RightCtrl = TRUE;\r | |
1217 | } else {\r | |
1218 | ConsoleIn->LeftCtrl = TRUE;\r | |
1219 | }\r | |
4aa68cbc | 1220 | \r |
1436aea4 MK |
1221 | break;\r |
1222 | case SCANCODE_CTRL_BREAK:\r | |
1223 | if (Extend0) {\r | |
1224 | ConsoleIn->RightCtrl = FALSE;\r | |
1225 | } else {\r | |
1226 | ConsoleIn->LeftCtrl = FALSE;\r | |
1227 | }\r | |
4aa68cbc | 1228 | \r |
1436aea4 MK |
1229 | break;\r |
1230 | \r | |
1231 | case SCANCODE_ALT_MAKE:\r | |
4aa68cbc RN |
1232 | if (Extend0) {\r |
1233 | ConsoleIn->RightAlt = TRUE;\r | |
1234 | } else {\r | |
1436aea4 | 1235 | ConsoleIn->LeftAlt = TRUE;\r |
4aa68cbc | 1236 | }\r |
1436aea4 MK |
1237 | \r |
1238 | break;\r | |
1239 | case SCANCODE_ALT_BREAK:\r | |
4aa68cbc RN |
1240 | if (Extend0) {\r |
1241 | ConsoleIn->RightAlt = FALSE;\r | |
1242 | } else {\r | |
1436aea4 | 1243 | ConsoleIn->LeftAlt = FALSE;\r |
4aa68cbc | 1244 | }\r |
4aa68cbc | 1245 | \r |
4aa68cbc | 1246 | break;\r |
4aa68cbc | 1247 | \r |
1436aea4 MK |
1248 | case SCANCODE_LEFT_SHIFT_MAKE:\r |
1249 | //\r | |
1250 | // To avoid recognize PRNT_SCRN key as a L_SHIFT key\r | |
1251 | // because PRNT_SCRN key generates E0 followed by L_SHIFT scan code.\r | |
1252 | // If it the second byte of the PRNT_ScRN skip it.\r | |
1253 | //\r | |
1254 | if (!Extend0) {\r | |
1255 | ConsoleIn->LeftShift = TRUE;\r | |
1256 | break;\r | |
1257 | }\r | |
4aa68cbc | 1258 | \r |
1436aea4 | 1259 | continue;\r |
4aa68cbc | 1260 | \r |
1436aea4 MK |
1261 | case SCANCODE_LEFT_SHIFT_BREAK:\r |
1262 | if (!Extend0) {\r | |
1263 | ConsoleIn->LeftShift = FALSE;\r | |
1264 | }\r | |
4aa68cbc | 1265 | \r |
1436aea4 | 1266 | break;\r |
4aa68cbc | 1267 | \r |
1436aea4 MK |
1268 | case SCANCODE_RIGHT_SHIFT_MAKE:\r |
1269 | ConsoleIn->RightShift = TRUE;\r | |
1270 | break;\r | |
1271 | case SCANCODE_RIGHT_SHIFT_BREAK:\r | |
1272 | ConsoleIn->RightShift = FALSE;\r | |
1273 | break;\r | |
1274 | \r | |
1275 | case SCANCODE_LEFT_LOGO_MAKE:\r | |
1276 | ConsoleIn->LeftLogo = TRUE;\r | |
1277 | break;\r | |
1278 | case SCANCODE_LEFT_LOGO_BREAK:\r | |
1279 | ConsoleIn->LeftLogo = FALSE;\r | |
1280 | break;\r | |
1281 | \r | |
1282 | case SCANCODE_RIGHT_LOGO_MAKE:\r | |
1283 | ConsoleIn->RightLogo = TRUE;\r | |
1284 | break;\r | |
1285 | case SCANCODE_RIGHT_LOGO_BREAK:\r | |
1286 | ConsoleIn->RightLogo = FALSE;\r | |
1287 | break;\r | |
1288 | \r | |
1289 | case SCANCODE_MENU_MAKE:\r | |
1290 | ConsoleIn->Menu = TRUE;\r | |
1291 | break;\r | |
1292 | case SCANCODE_MENU_BREAK:\r | |
1293 | ConsoleIn->Menu = FALSE;\r | |
1294 | break;\r | |
1295 | \r | |
1296 | case SCANCODE_SYS_REQ_MAKE:\r | |
1297 | if (Extend0) {\r | |
1298 | ConsoleIn->SysReq = TRUE;\r | |
1299 | }\r | |
1300 | \r | |
1301 | break;\r | |
1302 | case SCANCODE_SYS_REQ_BREAK:\r | |
1303 | if (Extend0) {\r | |
1304 | ConsoleIn->SysReq = FALSE;\r | |
1305 | }\r | |
4aa68cbc | 1306 | \r |
1436aea4 MK |
1307 | break;\r |
1308 | \r | |
1309 | case SCANCODE_SYS_REQ_MAKE_WITH_ALT:\r | |
4aa68cbc | 1310 | ConsoleIn->SysReq = TRUE;\r |
1436aea4 MK |
1311 | break;\r |
1312 | case SCANCODE_SYS_REQ_BREAK_WITH_ALT:\r | |
4aa68cbc | 1313 | ConsoleIn->SysReq = FALSE;\r |
1436aea4 | 1314 | break;\r |
4aa68cbc | 1315 | \r |
1436aea4 MK |
1316 | case SCANCODE_CAPS_LOCK_MAKE:\r |
1317 | ConsoleIn->CapsLock = (BOOLEAN) !ConsoleIn->CapsLock;\r | |
4aa68cbc | 1318 | UpdateStatusLights (ConsoleIn);\r |
1436aea4 MK |
1319 | break;\r |
1320 | case SCANCODE_NUM_LOCK_MAKE:\r | |
1321 | ConsoleIn->NumLock = (BOOLEAN) !ConsoleIn->NumLock;\r | |
1322 | UpdateStatusLights (ConsoleIn);\r | |
1323 | break;\r | |
1324 | case SCANCODE_SCROLL_LOCK_MAKE:\r | |
1325 | if (!Extend0) {\r | |
1326 | ConsoleIn->ScrollLock = (BOOLEAN) !ConsoleIn->ScrollLock;\r | |
1327 | UpdateStatusLights (ConsoleIn);\r | |
1328 | }\r | |
1329 | \r | |
1330 | break;\r | |
4aa68cbc RN |
1331 | }\r |
1332 | }\r | |
1333 | \r | |
1334 | //\r | |
1335 | // If this is above the valid range, ignore it\r | |
1336 | //\r | |
1337 | if (ScanCode >= SCANCODE_MAX_MAKE) {\r | |
1338 | continue;\r | |
1339 | } else {\r | |
1340 | break;\r | |
1341 | }\r | |
1342 | }\r | |
1343 | \r | |
1344 | //\r | |
1345 | // Handle Ctrl+Alt+Del hotkey\r | |
1346 | //\r | |
1347 | if ((ConsoleIn->LeftCtrl || ConsoleIn->RightCtrl) &&\r | |
1436aea4 MK |
1348 | (ConsoleIn->LeftAlt || ConsoleIn->RightAlt) &&\r |
1349 | (ScanCode == SCANCODE_DELETE_MAKE)\r | |
1350 | )\r | |
1351 | {\r | |
4aa68cbc RN |
1352 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r |
1353 | }\r | |
1354 | \r | |
1355 | //\r | |
1356 | // Save the Shift/Toggle state\r | |
1357 | //\r | |
c9e6803c RN |
1358 | InitializeKeyState (ConsoleIn, &KeyData.KeyState);\r |
1359 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
1360 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
4aa68cbc RN |
1361 | \r |
1362 | //\r | |
1363 | // Key Pad "/" shares the same scancode as that of "/" except Key Pad "/" has E0 prefix\r | |
1364 | //\r | |
1436aea4 | 1365 | if (Extend0 && (ScanCode == 0x35)) {\r |
4aa68cbc RN |
1366 | KeyData.Key.UnicodeChar = L'/';\r |
1367 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
1368 | \r | |
1436aea4 MK |
1369 | //\r |
1370 | // PAUSE shares the same scancode as that of NUM except PAUSE has E1 prefix\r | |
1371 | //\r | |
1372 | } else if (Extend1 && (ScanCode == SCANCODE_NUM_LOCK_MAKE)) {\r | |
4aa68cbc RN |
1373 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
1374 | KeyData.Key.ScanCode = SCAN_PAUSE;\r | |
1375 | \r | |
1436aea4 MK |
1376 | //\r |
1377 | // PAUSE shares the same scancode as that of SCROLL except PAUSE (CTRL pressed) has E0 prefix\r | |
1378 | //\r | |
1379 | } else if (Extend0 && (ScanCode == SCANCODE_SCROLL_LOCK_MAKE)) {\r | |
4aa68cbc RN |
1380 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
1381 | KeyData.Key.ScanCode = SCAN_PAUSE;\r | |
1382 | \r | |
1436aea4 MK |
1383 | //\r |
1384 | // PRNT_SCRN shares the same scancode as that of Key Pad "*" except PRNT_SCRN has E0 prefix\r | |
1385 | //\r | |
1386 | } else if (Extend0 && (ScanCode == SCANCODE_SYS_REQ_MAKE)) {\r | |
4aa68cbc RN |
1387 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
1388 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
1389 | \r | |
1436aea4 MK |
1390 | //\r |
1391 | // Except the above special case, all others can be handled by convert table\r | |
1392 | //\r | |
4aa68cbc RN |
1393 | } else {\r |
1394 | for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index++) {\r | |
1395 | if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {\r | |
1396 | KeyData.Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;\r | |
1397 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r | |
1398 | \r | |
1399 | if ((ConsoleIn->LeftShift || ConsoleIn->RightShift) &&\r | |
1436aea4 MK |
1400 | (ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar != ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar))\r |
1401 | {\r | |
4aa68cbc RN |
1402 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r |
1403 | //\r | |
1404 | // Need not return associated shift state if a class of printable characters that\r | |
1405 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r | |
1406 | //\r | |
1407 | KeyData.KeyState.KeyShiftState &= ~(EFI_LEFT_SHIFT_PRESSED | EFI_RIGHT_SHIFT_PRESSED);\r | |
1408 | }\r | |
1436aea4 | 1409 | \r |
4aa68cbc RN |
1410 | //\r |
1411 | // alphabetic key is affected by CapsLock State\r | |
1412 | //\r | |
1413 | if (ConsoleIn->CapsLock) {\r | |
1436aea4 MK |
1414 | if ((KeyData.Key.UnicodeChar >= L'a') && (KeyData.Key.UnicodeChar <= L'z')) {\r |
1415 | KeyData.Key.UnicodeChar = (UINT16)(KeyData.Key.UnicodeChar - L'a' + L'A');\r | |
1416 | } else if ((KeyData.Key.UnicodeChar >= L'A') && (KeyData.Key.UnicodeChar <= L'Z')) {\r | |
1417 | KeyData.Key.UnicodeChar = (UINT16)(KeyData.Key.UnicodeChar - L'A' + L'a');\r | |
4aa68cbc RN |
1418 | }\r |
1419 | }\r | |
1436aea4 | 1420 | \r |
4aa68cbc RN |
1421 | break;\r |
1422 | }\r | |
1423 | }\r | |
1424 | }\r | |
1425 | \r | |
1426 | //\r | |
1427 | // distinguish numeric key pad keys' 'up symbol' and 'down symbol'\r | |
1428 | //\r | |
1436aea4 | 1429 | if ((ScanCode >= 0x47) && (ScanCode <= 0x53)) {\r |
4aa68cbc RN |
1430 | if (ConsoleIn->NumLock && !(ConsoleIn->LeftShift || ConsoleIn->RightShift) && !Extend0) {\r |
1431 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
1436aea4 | 1432 | } else if ((ScanCode != 0x4a) && (ScanCode != 0x4e)) {\r |
4aa68cbc RN |
1433 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
1434 | }\r | |
1435 | }\r | |
1436 | \r | |
1437 | //\r | |
1438 | // If the key can not be converted then just return.\r | |
1439 | //\r | |
1436aea4 | 1440 | if ((KeyData.Key.ScanCode == SCAN_NULL) && (KeyData.Key.UnicodeChar == CHAR_NULL)) {\r |
4aa68cbc | 1441 | if (!ConsoleIn->IsSupportPartialKey) {\r |
1436aea4 | 1442 | return;\r |
4aa68cbc RN |
1443 | }\r |
1444 | }\r | |
1445 | \r | |
1446 | //\r | |
35dadd7c | 1447 | // Signal KeyNotify process event if this key pressed matches any key registered.\r |
4aa68cbc RN |
1448 | //\r |
1449 | for (Link = GetFirstNode (&ConsoleIn->NotifyList); !IsNull (&ConsoleIn->NotifyList, Link); Link = GetNextNode (&ConsoleIn->NotifyList, Link)) {\r | |
1450 | CurrentNotify = CR (\r | |
1451 | Link,\r | |
1452 | KEYBOARD_CONSOLE_IN_EX_NOTIFY,\r | |
1453 | NotifyEntry,\r | |
1454 | KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
1455 | );\r | |
1456 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r | |
35dadd7c SZ |
1457 | //\r |
1458 | // The key notification function needs to run at TPL_CALLBACK\r | |
1459 | // while current TPL is TPL_NOTIFY. It will be invoked in\r | |
1460 | // KeyNotifyProcessHandler() which runs at TPL_CALLBACK.\r | |
1461 | //\r | |
1462 | PushEfikeyBufTail (&ConsoleIn->EfiKeyQueueForNotify, &KeyData);\r | |
1463 | gBS->SignalEvent (ConsoleIn->KeyNotifyProcessEvent);\r | |
f316a260 | 1464 | break;\r |
4aa68cbc RN |
1465 | }\r |
1466 | }\r | |
1467 | \r | |
1468 | PushEfikeyBufTail (&ConsoleIn->EfiKeyQueue, &KeyData);\r | |
1469 | }\r | |
1470 | \r | |
1471 | /**\r | |
1472 | Perform 8042 controller and keyboard Initialization.\r | |
1473 | If ExtendedVerification is TRUE, do additional test for\r | |
1474 | the keyboard interface\r | |
1475 | \r | |
1476 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r | |
1477 | @param ExtendedVerification - indicates a thorough initialization\r | |
1478 | \r | |
1479 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r | |
1480 | @retval EFI_SUCCESS Success to init keyboard\r | |
1481 | **/\r | |
1482 | EFI_STATUS\r | |
1483 | InitKeyboard (\r | |
1436aea4 MK |
1484 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
1485 | IN BOOLEAN ExtendedVerification\r | |
4aa68cbc RN |
1486 | )\r |
1487 | {\r | |
1436aea4 MK |
1488 | EFI_STATUS Status;\r |
1489 | EFI_STATUS Status1;\r | |
1490 | UINT8 CommandByte;\r | |
1491 | EFI_PS2_POLICY_PROTOCOL *Ps2Policy;\r | |
1492 | UINT32 TryTime;\r | |
4aa68cbc | 1493 | \r |
1436aea4 MK |
1494 | Status = EFI_SUCCESS;\r |
1495 | mEnableMouseInterface = TRUE;\r | |
1496 | TryTime = 0;\r | |
4aa68cbc RN |
1497 | \r |
1498 | //\r | |
1499 | // Get Ps2 policy to set this\r | |
1500 | //\r | |
1501 | gBS->LocateProtocol (\r | |
1436aea4 MK |
1502 | &gEfiPs2PolicyProtocolGuid,\r |
1503 | NULL,\r | |
1504 | (VOID **)&Ps2Policy\r | |
1505 | );\r | |
4aa68cbc RN |
1506 | \r |
1507 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1508 | EFI_PROGRESS_CODE,\r | |
1509 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,\r | |
1510 | ConsoleIn->DevicePath\r | |
1511 | );\r | |
1512 | \r | |
1513 | //\r | |
1514 | // Perform a read to cleanup the Status Register's\r | |
1515 | // output buffer full bits within MAX TRY times\r | |
1516 | //\r | |
1517 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) != 0) {\r | |
1518 | while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {\r | |
1519 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r | |
1436aea4 | 1520 | TryTime++;\r |
4aa68cbc | 1521 | }\r |
1436aea4 | 1522 | \r |
4aa68cbc RN |
1523 | //\r |
1524 | // Exceed the max try times. The device may be error.\r | |
1525 | //\r | |
1526 | if (TryTime == KEYBOARD_MAX_TRY) {\r | |
1527 | Status = EFI_DEVICE_ERROR;\r | |
1528 | goto Done;\r | |
1529 | }\r | |
1530 | }\r | |
1436aea4 | 1531 | \r |
4aa68cbc RN |
1532 | //\r |
1533 | // We should disable mouse interface during the initialization process\r | |
1534 | // since mouse device output could block keyboard device output in the\r | |
1535 | // 60H port of 8042 controller.\r | |
1536 | //\r | |
1537 | // So if we are not initializing 8042 controller for the\r | |
1538 | // first time, we have to remember the previous mouse interface\r | |
1539 | // enabling state\r | |
1540 | //\r | |
1541 | // Test the system flag in to determine whether this is the first\r | |
1542 | // time initialization\r | |
1543 | //\r | |
1544 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG) != 0) {\r | |
1545 | if (!PcdGetBool (PcdFastPS2Detection)) {\r | |
1546 | //\r | |
1547 | // 8042 controller is already setup (by myself or by mouse driver):\r | |
1548 | // See whether mouse interface is already enabled\r | |
1549 | // which determines whether we should enable it later\r | |
1550 | //\r | |
1551 | //\r | |
1552 | // Read the command byte of 8042 controller\r | |
1553 | //\r | |
1554 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_READ);\r | |
1555 | if (EFI_ERROR (Status)) {\r | |
1556 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1557 | goto Done;\r | |
1558 | }\r | |
1559 | \r | |
1560 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r | |
1561 | if (EFI_ERROR (Status)) {\r | |
1562 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1563 | goto Done;\r | |
1564 | }\r | |
1436aea4 | 1565 | \r |
4aa68cbc RN |
1566 | //\r |
1567 | // Test the mouse enabling bit\r | |
1568 | //\r | |
1569 | if ((CommandByte & 0x20) != 0) {\r | |
1570 | mEnableMouseInterface = FALSE;\r | |
1571 | } else {\r | |
1572 | mEnableMouseInterface = TRUE;\r | |
1573 | }\r | |
1574 | } else {\r | |
1575 | mEnableMouseInterface = FALSE;\r | |
1576 | }\r | |
1577 | } else {\r | |
1578 | //\r | |
1579 | // 8042 controller is not setup yet:\r | |
1580 | // 8042 controller selftest;\r | |
1581 | // Don't enable mouse interface later.\r | |
1582 | //\r | |
1583 | //\r | |
1584 | // Disable keyboard and mouse interfaces\r | |
1585 | //\r | |
1586 | if (!PcdGetBool (PcdFastPS2Detection)) {\r | |
1587 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r | |
1588 | if (EFI_ERROR (Status)) {\r | |
1589 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1590 | goto Done;\r | |
1591 | }\r | |
1592 | \r | |
1593 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE);\r | |
1594 | if (EFI_ERROR (Status)) {\r | |
1595 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1596 | goto Done;\r | |
1597 | }\r | |
1598 | \r | |
1599 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1600 | EFI_PROGRESS_CODE,\r | |
1601 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,\r | |
1602 | ConsoleIn->DevicePath\r | |
1603 | );\r | |
1604 | //\r | |
1605 | // 8042 Controller Self Test\r | |
1606 | //\r | |
1607 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST);\r | |
1608 | if (EFI_ERROR (Status)) {\r | |
1609 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1610 | goto Done;\r | |
1611 | }\r | |
1612 | \r | |
1613 | Status = KeyboardWaitForValue (ConsoleIn, 0x55);\r | |
1614 | if (EFI_ERROR (Status)) {\r | |
1615 | KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");\r | |
1616 | goto Done;\r | |
1617 | }\r | |
1618 | }\r | |
1436aea4 | 1619 | \r |
4aa68cbc RN |
1620 | //\r |
1621 | // Don't enable mouse interface later\r | |
1622 | //\r | |
1623 | mEnableMouseInterface = FALSE;\r | |
4aa68cbc RN |
1624 | }\r |
1625 | \r | |
1626 | if (Ps2Policy != NULL) {\r | |
1627 | Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);\r | |
1628 | }\r | |
1436aea4 | 1629 | \r |
4aa68cbc RN |
1630 | //\r |
1631 | // Write 8042 Command Byte, set System Flag\r | |
1632 | // While at the same time:\r | |
1633 | // 1. disable mouse interface,\r | |
1634 | // 2. enable kbd interface,\r | |
1635 | // 3. enable PC/XT kbd translation mode\r | |
1636 | // 4. enable mouse and kbd interrupts\r | |
1637 | //\r | |
1638 | // ( Command Byte bits:\r | |
1639 | // 7: Reserved\r | |
1640 | // 6: PC/XT translation mode\r | |
1641 | // 5: Disable Auxiliary device interface\r | |
1642 | // 4: Disable keyboard interface\r | |
1643 | // 3: Reserved\r | |
1644 | // 2: System Flag\r | |
1645 | // 1: Enable Auxiliary device interrupt\r | |
1646 | // 0: Enable Keyboard interrupt )\r | |
1647 | //\r | |
1648 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_WRITE);\r | |
1649 | if (EFI_ERROR (Status)) {\r | |
1650 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1651 | goto Done;\r | |
1652 | }\r | |
1653 | \r | |
1654 | Status = KeyboardWrite (ConsoleIn, 0x67);\r | |
1655 | if (EFI_ERROR (Status)) {\r | |
1656 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1657 | goto Done;\r | |
1658 | }\r | |
1659 | \r | |
1660 | //\r | |
1661 | // Clear Memory Scancode Buffer\r | |
1662 | //\r | |
1436aea4 MK |
1663 | ConsoleIn->ScancodeQueue.Head = 0;\r |
1664 | ConsoleIn->ScancodeQueue.Tail = 0;\r | |
1665 | ConsoleIn->EfiKeyQueue.Head = 0;\r | |
1666 | ConsoleIn->EfiKeyQueue.Tail = 0;\r | |
35dadd7c SZ |
1667 | ConsoleIn->EfiKeyQueueForNotify.Head = 0;\r |
1668 | ConsoleIn->EfiKeyQueueForNotify.Tail = 0;\r | |
4aa68cbc RN |
1669 | \r |
1670 | //\r | |
1671 | // Reset the status indicators\r | |
1672 | //\r | |
1673 | ConsoleIn->CapsLock = FALSE;\r | |
1674 | ConsoleIn->NumLock = FALSE;\r | |
1675 | ConsoleIn->ScrollLock = FALSE;\r | |
1676 | ConsoleIn->LeftCtrl = FALSE;\r | |
1677 | ConsoleIn->RightCtrl = FALSE;\r | |
1678 | ConsoleIn->LeftAlt = FALSE;\r | |
1679 | ConsoleIn->RightAlt = FALSE;\r | |
1680 | ConsoleIn->LeftShift = FALSE;\r | |
1681 | ConsoleIn->RightShift = FALSE;\r | |
1682 | ConsoleIn->LeftLogo = FALSE;\r | |
1683 | ConsoleIn->RightLogo = FALSE;\r | |
1684 | ConsoleIn->Menu = FALSE;\r | |
1685 | ConsoleIn->SysReq = FALSE;\r | |
1686 | \r | |
1687 | ConsoleIn->IsSupportPartialKey = FALSE;\r | |
1688 | //\r | |
ed356b9e | 1689 | // For resetting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,\r |
4aa68cbc | 1690 | // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected\r |
ed356b9e | 1691 | // to system. So we only do the real resetting for keyboard when user asks and there is a real KB connected t system,\r |
4aa68cbc RN |
1692 | // and normally during booting an OS, it's skipped.\r |
1693 | //\r | |
1694 | if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {\r | |
1695 | //\r | |
1696 | // Additional verifications for keyboard interface\r | |
1697 | //\r | |
1698 | //\r | |
1699 | // Keyboard Interface Test\r | |
1700 | //\r | |
1701 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST);\r | |
1702 | if (EFI_ERROR (Status)) {\r | |
1703 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1704 | goto Done;\r | |
1705 | }\r | |
1706 | \r | |
1707 | Status = KeyboardWaitForValue (ConsoleIn, 0x00);\r | |
1708 | if (EFI_ERROR (Status)) {\r | |
1709 | KeyboardError (\r | |
1710 | ConsoleIn,\r | |
1d031e75 | 1711 | L"Some specific value not acquired from 8042 controller!\n\r"\r |
4aa68cbc RN |
1712 | );\r |
1713 | goto Done;\r | |
1714 | }\r | |
1436aea4 | 1715 | \r |
4aa68cbc RN |
1716 | //\r |
1717 | // Keyboard reset with a BAT(Basic Assurance Test)\r | |
1718 | //\r | |
1719 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_RESET);\r | |
1720 | if (EFI_ERROR (Status)) {\r | |
1721 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1722 | goto Done;\r | |
1723 | }\r | |
1724 | \r | |
1725 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r | |
1726 | if (EFI_ERROR (Status)) {\r | |
1d031e75 | 1727 | KeyboardError (ConsoleIn, L"Some specific value not acquired from 8042 controller!\n\r");\r |
4aa68cbc RN |
1728 | goto Done;\r |
1729 | }\r | |
1436aea4 | 1730 | \r |
4aa68cbc RN |
1731 | //\r |
1732 | // wait for BAT completion code\r | |
1733 | //\r | |
1436aea4 | 1734 | mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;\r |
4aa68cbc | 1735 | \r |
1436aea4 | 1736 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);\r |
4aa68cbc RN |
1737 | if (EFI_ERROR (Status)) {\r |
1738 | KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");\r | |
1739 | goto Done;\r | |
1740 | }\r | |
1741 | \r | |
1742 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
1743 | \r | |
1744 | //\r | |
1745 | // Set Keyboard to use Scan Code Set 2\r | |
1746 | //\r | |
1747 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET);\r | |
1748 | if (EFI_ERROR (Status)) {\r | |
1749 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1750 | goto Done;\r | |
1751 | }\r | |
1752 | \r | |
1753 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r | |
1754 | if (EFI_ERROR (Status)) {\r | |
1d031e75 | 1755 | KeyboardError (ConsoleIn, L"Some specific value not acquired from 8042 controller!\n\r");\r |
4aa68cbc RN |
1756 | goto Done;\r |
1757 | }\r | |
1758 | \r | |
1759 | Status = KeyboardWrite (ConsoleIn, 0x02);\r | |
1760 | if (EFI_ERROR (Status)) {\r | |
1761 | KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");\r | |
1762 | goto Done;\r | |
1763 | }\r | |
1764 | \r | |
1765 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r | |
1766 | if (EFI_ERROR (Status)) {\r | |
1d031e75 | 1767 | KeyboardError (ConsoleIn, L"Some specific value not acquired from 8042 controller!\n\r");\r |
4aa68cbc RN |
1768 | goto Done;\r |
1769 | }\r | |
1770 | \r | |
1436aea4 MK |
1771 | //\r |
1772 | // Clear Keyboard Scancode Buffer\r | |
1773 | //\r | |
1774 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA);\r | |
1775 | if (EFI_ERROR (Status)) {\r | |
1776 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1777 | goto Done;\r | |
4aa68cbc RN |
1778 | }\r |
1779 | \r | |
1436aea4 MK |
1780 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
1781 | if (EFI_ERROR (Status)) {\r | |
1782 | KeyboardError (ConsoleIn, L"Some specific value not acquired from 8042 controller!\n\r");\r | |
1783 | goto Done;\r | |
4aa68cbc RN |
1784 | }\r |
1785 | \r | |
1436aea4 MK |
1786 | //\r |
1787 | if (Ps2Policy != NULL) {\r | |
1788 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {\r | |
1789 | ConsoleIn->CapsLock = TRUE;\r | |
1790 | }\r | |
1791 | \r | |
1792 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {\r | |
1793 | ConsoleIn->NumLock = TRUE;\r | |
1794 | }\r | |
1795 | \r | |
1796 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {\r | |
1797 | ConsoleIn->ScrollLock = TRUE;\r | |
1798 | }\r | |
4aa68cbc | 1799 | }\r |
1436aea4 MK |
1800 | \r |
1801 | //\r | |
1802 | // Update Keyboard Lights\r | |
1803 | //\r | |
1804 | Status = UpdateStatusLights (ConsoleIn);\r | |
1805 | if (EFI_ERROR (Status)) {\r | |
1806 | KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");\r | |
1807 | goto Done;\r | |
4aa68cbc RN |
1808 | }\r |
1809 | }\r | |
1436aea4 | 1810 | \r |
4aa68cbc RN |
1811 | //\r |
1812 | // At last, we can now enable the mouse interface if appropriate\r | |
1813 | //\r | |
1814 | Done:\r | |
1815 | \r | |
1816 | if (mEnableMouseInterface) {\r | |
1817 | //\r | |
1818 | // Enable mouse interface\r | |
1819 | //\r | |
1820 | Status1 = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE);\r | |
1821 | if (EFI_ERROR (Status1)) {\r | |
1822 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1823 | return EFI_DEVICE_ERROR;\r | |
1824 | }\r | |
1825 | }\r | |
1826 | \r | |
1827 | if (!EFI_ERROR (Status)) {\r | |
1828 | return EFI_SUCCESS;\r | |
1829 | } else {\r | |
1830 | return EFI_DEVICE_ERROR;\r | |
1831 | }\r | |
4aa68cbc RN |
1832 | }\r |
1833 | \r | |
4aa68cbc RN |
1834 | /**\r |
1835 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r | |
1836 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r | |
1837 | should not be in system.\r | |
1838 | \r | |
1839 | @param[in] ConsoleIn Keyboard Private Data Structure\r | |
1840 | \r | |
1841 | @retval TRUE Keyboard in System.\r | |
1842 | @retval FALSE Keyboard not in System.\r | |
1843 | **/\r | |
1844 | BOOLEAN\r | |
1845 | EFIAPI\r | |
1846 | CheckKeyboardConnect (\r | |
1436aea4 | 1847 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
4aa68cbc RN |
1848 | )\r |
1849 | {\r | |
1436aea4 MK |
1850 | EFI_STATUS Status;\r |
1851 | UINTN WaitForValueTimeOutBcakup;\r | |
4aa68cbc RN |
1852 | \r |
1853 | //\r | |
1854 | // enable keyboard itself and wait for its ack\r | |
1855 | // If can't receive ack, Keyboard should not be connected.\r | |
1856 | //\r | |
1857 | if (!PcdGetBool (PcdFastPS2Detection)) {\r | |
1858 | Status = KeyboardWrite (\r | |
1859 | ConsoleIn,\r | |
1860 | KEYBOARD_KBEN\r | |
1861 | );\r | |
1862 | \r | |
1863 | if (EFI_ERROR (Status)) {\r | |
1864 | return FALSE;\r | |
1865 | }\r | |
1436aea4 | 1866 | \r |
4aa68cbc RN |
1867 | //\r |
1868 | // wait for 1s\r | |
1869 | //\r | |
1870 | WaitForValueTimeOutBcakup = mWaitForValueTimeOut;\r | |
1436aea4 MK |
1871 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
1872 | Status = KeyboardWaitForValue (\r | |
1873 | ConsoleIn,\r | |
1874 | KEYBOARD_CMDECHO_ACK\r | |
1875 | );\r | |
4aa68cbc RN |
1876 | mWaitForValueTimeOut = WaitForValueTimeOutBcakup;\r |
1877 | \r | |
1878 | if (EFI_ERROR (Status)) {\r | |
1879 | return FALSE;\r | |
1880 | }\r | |
1881 | \r | |
1882 | return TRUE;\r | |
1883 | } else {\r | |
1884 | return TRUE;\r | |
1885 | }\r | |
1886 | }\r |