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f713c4fe | 1 | /** @file\r |
05fbd06d | 2 | Routines that access 8042 keyboard controller\r |
3 | \r | |
896ae6fc | 4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
180a5a35 | 5 | This program and the accompanying materials\r |
df0dcb5e | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
05fbd06d | 12 | \r |
13 | **/\r | |
14 | \r | |
05fbd06d | 15 | #include "Ps2Keyboard.h"\r |
16 | \r | |
819d1488 | 17 | struct {\r |
0d0bbc9f | 18 | UINT8 ScanCode; ///< follows value defined in Scan Code Set1\r |
05fbd06d | 19 | UINT16 EfiScanCode;\r |
20 | CHAR16 UnicodeChar;\r | |
21 | CHAR16 ShiftUnicodeChar;\r | |
22 | }\r | |
23 | ConvertKeyboardScanCodeToEfiKey[] = {\r | |
24 | \r | |
25 | {\r | |
26 | 0x01, // Escape\r | |
27 | SCAN_ESC,\r | |
67319626 | 28 | 0x0000,\r |
29 | 0x0000\r | |
05fbd06d | 30 | },\r |
31 | {\r | |
32 | 0x02,\r | |
33 | SCAN_NULL,\r | |
67319626 | 34 | L'1',\r |
35 | L'!'\r | |
05fbd06d | 36 | },\r |
37 | {\r | |
38 | 0x03,\r | |
39 | SCAN_NULL,\r | |
67319626 | 40 | L'2',\r |
41 | L'@'\r | |
05fbd06d | 42 | },\r |
43 | {\r | |
44 | 0x04,\r | |
45 | SCAN_NULL,\r | |
67319626 | 46 | L'3',\r |
47 | L'#'\r | |
05fbd06d | 48 | },\r |
49 | {\r | |
50 | 0x05,\r | |
51 | SCAN_NULL,\r | |
67319626 | 52 | L'4',\r |
53 | L'$'\r | |
05fbd06d | 54 | },\r |
55 | {\r | |
56 | 0x06,\r | |
57 | SCAN_NULL,\r | |
67319626 | 58 | L'5',\r |
59 | L'%'\r | |
05fbd06d | 60 | },\r |
61 | {\r | |
62 | 0x07,\r | |
63 | SCAN_NULL,\r | |
67319626 | 64 | L'6',\r |
65 | L'^'\r | |
05fbd06d | 66 | },\r |
67 | {\r | |
68 | 0x08,\r | |
69 | SCAN_NULL,\r | |
67319626 | 70 | L'7',\r |
71 | L'&'\r | |
05fbd06d | 72 | },\r |
73 | {\r | |
74 | 0x09,\r | |
75 | SCAN_NULL,\r | |
67319626 | 76 | L'8',\r |
77 | L'*'\r | |
05fbd06d | 78 | },\r |
79 | {\r | |
80 | 0x0A,\r | |
81 | SCAN_NULL,\r | |
67319626 | 82 | L'9',\r |
83 | L'('\r | |
05fbd06d | 84 | },\r |
85 | {\r | |
86 | 0x0B,\r | |
87 | SCAN_NULL,\r | |
67319626 | 88 | L'0',\r |
89 | L')'\r | |
05fbd06d | 90 | },\r |
91 | {\r | |
92 | 0x0C,\r | |
93 | SCAN_NULL,\r | |
67319626 | 94 | L'-',\r |
95 | L'_'\r | |
05fbd06d | 96 | },\r |
97 | {\r | |
98 | 0x0D,\r | |
99 | SCAN_NULL,\r | |
67319626 | 100 | L'=',\r |
101 | L'+'\r | |
05fbd06d | 102 | },\r |
103 | {\r | |
104 | 0x0E, // BackSpace\r | |
105 | SCAN_NULL,\r | |
67319626 | 106 | 0x0008,\r |
107 | 0x0008\r | |
05fbd06d | 108 | },\r |
109 | {\r | |
110 | 0x0F, // Tab\r | |
111 | SCAN_NULL,\r | |
67319626 | 112 | 0x0009,\r |
113 | 0x0009\r | |
05fbd06d | 114 | },\r |
115 | {\r | |
116 | 0x10,\r | |
117 | SCAN_NULL,\r | |
67319626 | 118 | L'q',\r |
119 | L'Q'\r | |
05fbd06d | 120 | },\r |
121 | {\r | |
122 | 0x11,\r | |
123 | SCAN_NULL,\r | |
67319626 | 124 | L'w',\r |
125 | L'W'\r | |
05fbd06d | 126 | },\r |
127 | {\r | |
128 | 0x12,\r | |
129 | SCAN_NULL,\r | |
67319626 | 130 | L'e',\r |
131 | L'E'\r | |
05fbd06d | 132 | },\r |
133 | {\r | |
134 | 0x13,\r | |
135 | SCAN_NULL,\r | |
67319626 | 136 | L'r',\r |
137 | L'R'\r | |
05fbd06d | 138 | },\r |
139 | {\r | |
140 | 0x14,\r | |
141 | SCAN_NULL,\r | |
67319626 | 142 | L't',\r |
143 | L'T'\r | |
05fbd06d | 144 | },\r |
145 | {\r | |
146 | 0x15,\r | |
147 | SCAN_NULL,\r | |
67319626 | 148 | L'y',\r |
149 | L'Y'\r | |
05fbd06d | 150 | },\r |
151 | {\r | |
152 | 0x16,\r | |
153 | SCAN_NULL,\r | |
67319626 | 154 | L'u',\r |
155 | L'U'\r | |
05fbd06d | 156 | },\r |
157 | {\r | |
158 | 0x17,\r | |
159 | SCAN_NULL,\r | |
67319626 | 160 | L'i',\r |
161 | L'I'\r | |
05fbd06d | 162 | },\r |
163 | {\r | |
164 | 0x18,\r | |
165 | SCAN_NULL,\r | |
67319626 | 166 | L'o',\r |
167 | L'O'\r | |
05fbd06d | 168 | },\r |
169 | {\r | |
170 | 0x19,\r | |
171 | SCAN_NULL,\r | |
67319626 | 172 | L'p',\r |
173 | L'P'\r | |
05fbd06d | 174 | },\r |
175 | {\r | |
176 | 0x1a,\r | |
177 | SCAN_NULL,\r | |
67319626 | 178 | L'[',\r |
179 | L'{'\r | |
05fbd06d | 180 | },\r |
181 | {\r | |
182 | 0x1b,\r | |
183 | SCAN_NULL,\r | |
67319626 | 184 | L']',\r |
185 | L'}'\r | |
05fbd06d | 186 | },\r |
187 | {\r | |
188 | 0x1c, // Enter\r | |
189 | SCAN_NULL,\r | |
67319626 | 190 | 0x000d,\r |
191 | 0x000d\r | |
05fbd06d | 192 | },\r |
193 | {\r | |
194 | 0x1d,\r | |
195 | SCAN_NULL,\r | |
67319626 | 196 | 0x0000,\r |
197 | 0x0000\r | |
05fbd06d | 198 | },\r |
199 | {\r | |
200 | 0x1e,\r | |
201 | SCAN_NULL,\r | |
67319626 | 202 | L'a',\r |
203 | L'A'\r | |
05fbd06d | 204 | },\r |
205 | {\r | |
206 | 0x1f,\r | |
207 | SCAN_NULL,\r | |
67319626 | 208 | L's',\r |
209 | L'S'\r | |
05fbd06d | 210 | },\r |
211 | {\r | |
212 | 0x20,\r | |
213 | SCAN_NULL,\r | |
67319626 | 214 | L'd',\r |
215 | L'D'\r | |
05fbd06d | 216 | },\r |
217 | {\r | |
218 | 0x21,\r | |
219 | SCAN_NULL,\r | |
67319626 | 220 | L'f',\r |
221 | L'F'\r | |
05fbd06d | 222 | },\r |
223 | {\r | |
224 | 0x22,\r | |
225 | SCAN_NULL,\r | |
67319626 | 226 | L'g',\r |
227 | L'G'\r | |
05fbd06d | 228 | },\r |
229 | {\r | |
230 | 0x23,\r | |
231 | SCAN_NULL,\r | |
67319626 | 232 | L'h',\r |
233 | L'H'\r | |
05fbd06d | 234 | },\r |
235 | {\r | |
236 | 0x24,\r | |
237 | SCAN_NULL,\r | |
67319626 | 238 | L'j',\r |
239 | L'J'\r | |
05fbd06d | 240 | },\r |
241 | {\r | |
242 | 0x25,\r | |
243 | SCAN_NULL,\r | |
67319626 | 244 | L'k',\r |
245 | L'K'\r | |
05fbd06d | 246 | },\r |
247 | {\r | |
248 | 0x26,\r | |
249 | SCAN_NULL,\r | |
67319626 | 250 | L'l',\r |
251 | L'L'\r | |
05fbd06d | 252 | },\r |
253 | {\r | |
254 | 0x27,\r | |
255 | SCAN_NULL,\r | |
67319626 | 256 | L';',\r |
257 | L':'\r | |
05fbd06d | 258 | },\r |
259 | {\r | |
260 | 0x28,\r | |
261 | SCAN_NULL,\r | |
67319626 | 262 | L'\'',\r |
263 | L'"'\r | |
05fbd06d | 264 | },\r |
265 | {\r | |
266 | 0x29,\r | |
267 | SCAN_NULL,\r | |
67319626 | 268 | L'`',\r |
269 | L'~'\r | |
05fbd06d | 270 | },\r |
271 | {\r | |
272 | 0x2a, // Left Shift\r | |
273 | SCAN_NULL,\r | |
67319626 | 274 | 0x0000,\r |
275 | 0x0000\r | |
05fbd06d | 276 | },\r |
277 | {\r | |
278 | 0x2b,\r | |
279 | SCAN_NULL,\r | |
67319626 | 280 | L'\\',\r |
281 | L'|'\r | |
05fbd06d | 282 | },\r |
283 | {\r | |
284 | 0x2c,\r | |
285 | SCAN_NULL,\r | |
67319626 | 286 | L'z',\r |
287 | L'Z'\r | |
05fbd06d | 288 | },\r |
289 | {\r | |
290 | 0x2d,\r | |
291 | SCAN_NULL,\r | |
67319626 | 292 | L'x',\r |
293 | L'X'\r | |
05fbd06d | 294 | },\r |
295 | {\r | |
296 | 0x2e,\r | |
297 | SCAN_NULL,\r | |
67319626 | 298 | L'c',\r |
299 | L'C'\r | |
05fbd06d | 300 | },\r |
301 | {\r | |
302 | 0x2f,\r | |
303 | SCAN_NULL,\r | |
67319626 | 304 | L'v',\r |
305 | L'V'\r | |
05fbd06d | 306 | },\r |
307 | {\r | |
308 | 0x30,\r | |
309 | SCAN_NULL,\r | |
67319626 | 310 | L'b',\r |
311 | L'B'\r | |
05fbd06d | 312 | },\r |
313 | {\r | |
314 | 0x31,\r | |
315 | SCAN_NULL,\r | |
67319626 | 316 | L'n',\r |
317 | L'N'\r | |
05fbd06d | 318 | },\r |
319 | {\r | |
320 | 0x32,\r | |
321 | SCAN_NULL,\r | |
67319626 | 322 | L'm',\r |
323 | L'M'\r | |
05fbd06d | 324 | },\r |
325 | {\r | |
326 | 0x33,\r | |
327 | SCAN_NULL,\r | |
67319626 | 328 | L',',\r |
329 | L'<'\r | |
05fbd06d | 330 | },\r |
331 | {\r | |
332 | 0x34,\r | |
333 | SCAN_NULL,\r | |
67319626 | 334 | L'.',\r |
335 | L'>'\r | |
05fbd06d | 336 | },\r |
337 | {\r | |
338 | 0x35,\r | |
339 | SCAN_NULL,\r | |
67319626 | 340 | L'/',\r |
341 | L'?'\r | |
05fbd06d | 342 | },\r |
343 | {\r | |
344 | 0x36, //Right Shift\r | |
345 | SCAN_NULL,\r | |
67319626 | 346 | 0x0000,\r |
347 | 0x0000\r | |
05fbd06d | 348 | },\r |
349 | {\r | |
350 | 0x37, // Numeric Keypad *\r | |
351 | SCAN_NULL,\r | |
67319626 | 352 | L'*',\r |
353 | L'*'\r | |
05fbd06d | 354 | },\r |
355 | {\r | |
356 | 0x38, //Left Alt/Extended Right Alt\r | |
357 | SCAN_NULL,\r | |
67319626 | 358 | 0x0000,\r |
359 | 0x0000\r | |
05fbd06d | 360 | },\r |
361 | {\r | |
362 | 0x39,\r | |
363 | SCAN_NULL,\r | |
67319626 | 364 | L' ',\r |
365 | L' '\r | |
05fbd06d | 366 | },\r |
367 | {\r | |
368 | 0x3A, //CapsLock\r | |
369 | SCAN_NULL,\r | |
67319626 | 370 | 0x0000,\r |
371 | 0x0000\r | |
05fbd06d | 372 | },\r |
373 | {\r | |
374 | 0x3B,\r | |
375 | SCAN_F1,\r | |
67319626 | 376 | 0x0000,\r |
377 | 0x0000\r | |
05fbd06d | 378 | },\r |
379 | {\r | |
380 | 0x3C,\r | |
381 | SCAN_F2,\r | |
67319626 | 382 | 0x0000,\r |
383 | 0x0000\r | |
05fbd06d | 384 | },\r |
385 | {\r | |
386 | 0x3D,\r | |
387 | SCAN_F3,\r | |
67319626 | 388 | 0x0000,\r |
389 | 0x0000\r | |
05fbd06d | 390 | },\r |
391 | {\r | |
392 | 0x3E,\r | |
393 | SCAN_F4,\r | |
67319626 | 394 | 0x0000,\r |
395 | 0x0000\r | |
05fbd06d | 396 | },\r |
397 | {\r | |
398 | 0x3F,\r | |
399 | SCAN_F5,\r | |
67319626 | 400 | 0x0000,\r |
401 | 0x0000\r | |
05fbd06d | 402 | },\r |
403 | {\r | |
404 | 0x40,\r | |
405 | SCAN_F6,\r | |
67319626 | 406 | 0x0000,\r |
407 | 0x0000\r | |
05fbd06d | 408 | },\r |
409 | {\r | |
410 | 0x41,\r | |
411 | SCAN_F7,\r | |
67319626 | 412 | 0x0000,\r |
413 | 0x0000\r | |
05fbd06d | 414 | },\r |
415 | {\r | |
416 | 0x42,\r | |
417 | SCAN_F8,\r | |
67319626 | 418 | 0x0000,\r |
419 | 0x0000\r | |
05fbd06d | 420 | },\r |
421 | {\r | |
422 | 0x43,\r | |
423 | SCAN_F9,\r | |
67319626 | 424 | 0x0000,\r |
425 | 0x0000\r | |
05fbd06d | 426 | },\r |
427 | {\r | |
428 | 0x44,\r | |
429 | SCAN_F10,\r | |
67319626 | 430 | 0x0000,\r |
431 | 0x0000\r | |
05fbd06d | 432 | },\r |
433 | {\r | |
434 | 0x45, // NumLock\r | |
435 | SCAN_NULL,\r | |
67319626 | 436 | 0x0000,\r |
437 | 0x0000\r | |
05fbd06d | 438 | },\r |
439 | {\r | |
440 | 0x46, // ScrollLock\r | |
441 | SCAN_NULL,\r | |
67319626 | 442 | 0x0000,\r |
443 | 0x0000\r | |
05fbd06d | 444 | },\r |
445 | {\r | |
446 | 0x47,\r | |
447 | SCAN_HOME,\r | |
67319626 | 448 | L'7',\r |
449 | L'7'\r | |
05fbd06d | 450 | },\r |
451 | {\r | |
452 | 0x48,\r | |
453 | SCAN_UP,\r | |
67319626 | 454 | L'8',\r |
455 | L'8'\r | |
05fbd06d | 456 | },\r |
457 | {\r | |
458 | 0x49,\r | |
459 | SCAN_PAGE_UP,\r | |
67319626 | 460 | L'9',\r |
461 | L'9'\r | |
05fbd06d | 462 | },\r |
463 | {\r | |
464 | 0x4a,\r | |
465 | SCAN_NULL,\r | |
67319626 | 466 | L'-',\r |
467 | L'-'\r | |
05fbd06d | 468 | },\r |
469 | {\r | |
470 | 0x4b,\r | |
471 | SCAN_LEFT,\r | |
67319626 | 472 | L'4',\r |
473 | L'4'\r | |
05fbd06d | 474 | },\r |
475 | {\r | |
476 | 0x4c, // Numeric Keypad 5\r | |
477 | SCAN_NULL,\r | |
67319626 | 478 | L'5',\r |
479 | L'5'\r | |
05fbd06d | 480 | },\r |
481 | {\r | |
482 | 0x4d,\r | |
483 | SCAN_RIGHT,\r | |
67319626 | 484 | L'6',\r |
485 | L'6'\r | |
05fbd06d | 486 | },\r |
487 | {\r | |
488 | 0x4e,\r | |
489 | SCAN_NULL,\r | |
67319626 | 490 | L'+',\r |
491 | L'+'\r | |
05fbd06d | 492 | },\r |
493 | {\r | |
494 | 0x4f,\r | |
495 | SCAN_END,\r | |
67319626 | 496 | L'1',\r |
497 | L'1'\r | |
05fbd06d | 498 | },\r |
499 | {\r | |
500 | 0x50,\r | |
501 | SCAN_DOWN,\r | |
67319626 | 502 | L'2',\r |
503 | L'2'\r | |
05fbd06d | 504 | },\r |
505 | {\r | |
506 | 0x51,\r | |
507 | SCAN_PAGE_DOWN,\r | |
67319626 | 508 | L'3',\r |
509 | L'3'\r | |
05fbd06d | 510 | },\r |
511 | {\r | |
512 | 0x52,\r | |
513 | SCAN_INSERT,\r | |
67319626 | 514 | L'0',\r |
515 | L'0'\r | |
05fbd06d | 516 | },\r |
517 | {\r | |
518 | 0x53,\r | |
519 | SCAN_DELETE,\r | |
67319626 | 520 | L'.',\r |
521 | L'.'\r | |
05fbd06d | 522 | },\r |
523 | {\r | |
524 | 0x57,\r | |
525 | SCAN_F11,\r | |
67319626 | 526 | 0x0000,\r |
527 | 0x0000\r | |
05fbd06d | 528 | },\r |
529 | {\r | |
530 | 0x58,\r | |
531 | SCAN_F12,\r | |
67319626 | 532 | 0x0000,\r |
533 | 0x0000\r | |
05fbd06d | 534 | },\r |
f3d1e940 | 535 | {\r |
536 | 0x5B, //Left LOGO\r | |
537 | SCAN_NULL,\r | |
67319626 | 538 | 0x0000,\r |
539 | 0x0000\r | |
5829afe3 | 540 | },\r |
f3d1e940 | 541 | {\r |
542 | 0x5C, //Right LOGO\r | |
543 | SCAN_NULL,\r | |
67319626 | 544 | 0x0000,\r |
545 | 0x0000\r | |
5829afe3 | 546 | },\r |
f3d1e940 | 547 | {\r |
548 | 0x5D, //Menu key\r | |
549 | SCAN_NULL,\r | |
67319626 | 550 | 0x0000,\r |
551 | 0x0000\r | |
0d0bbc9f | 552 | },\r |
05fbd06d | 553 | {\r |
554 | TABLE_END,\r | |
555 | TABLE_END,\r | |
556 | SCAN_NULL,\r | |
557 | SCAN_NULL\r | |
558 | },\r | |
559 | };\r | |
560 | \r | |
05fbd06d | 561 | //\r |
562 | // The WaitForValue time out\r | |
563 | //\r | |
819d1488 | 564 | UINTN mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
05fbd06d | 565 | \r |
4fd730b3 | 566 | BOOLEAN mEnableMouseInterface;\r |
567 | \r | |
c220787b RN |
568 | \r |
569 | \r | |
570 | /**\r | |
571 | Return the count of scancode in the queue.\r | |
5829afe3 | 572 | \r |
c220787b RN |
573 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r |
574 | \r | |
575 | @return Count of the scancode.\r | |
576 | **/\r | |
577 | UINTN\r | |
578 | GetScancodeBufCount (\r | |
579 | IN SCAN_CODE_QUEUE *Queue\r | |
580 | )\r | |
581 | {\r | |
582 | if (Queue->Head <= Queue->Tail) {\r | |
583 | return Queue->Tail - Queue->Head;\r | |
584 | } else {\r | |
585 | return Queue->Tail + KEYBOARD_SCAN_CODE_MAX_COUNT - Queue->Head;\r | |
586 | }\r | |
587 | }\r | |
588 | \r | |
589 | /**\r | |
590 | Read several bytes from the scancode buffer without removing them.\r | |
591 | This function is called to see if there are enough bytes of scancode\r | |
592 | representing a single key.\r | |
5829afe3 | 593 | \r |
c220787b RN |
594 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r |
595 | @param Count Number of bytes to be read\r | |
596 | @param Buf Store the results\r | |
597 | \r | |
598 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
599 | @retval EFI_NOT_READY invalid parameter\r | |
600 | **/\r | |
601 | EFI_STATUS\r | |
602 | GetScancodeBufHead (\r | |
603 | IN SCAN_CODE_QUEUE *Queue,\r | |
604 | IN UINTN Count,\r | |
605 | OUT UINT8 *Buf\r | |
606 | )\r | |
607 | {\r | |
608 | UINTN Index;\r | |
609 | UINTN Pos;\r | |
610 | \r | |
611 | //\r | |
612 | // check the valid range of parameter 'Count'\r | |
613 | //\r | |
614 | if (GetScancodeBufCount (Queue) < Count) {\r | |
615 | return EFI_NOT_READY;\r | |
616 | }\r | |
617 | //\r | |
618 | // retrieve the values\r | |
619 | //\r | |
620 | for (Index = 0, Pos = Queue->Head; Index < Count; Index++, Pos = (Pos + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {\r | |
621 | Buf[Index] = Queue->Buffer[Pos];\r | |
622 | }\r | |
623 | \r | |
624 | return EFI_SUCCESS;\r | |
625 | }\r | |
626 | \r | |
c220787b RN |
627 | /**\r |
628 | \r | |
629 | Read & remove several bytes from the scancode buffer.\r | |
630 | This function is usually called after GetScancodeBufHead()\r | |
5829afe3 | 631 | \r |
c220787b RN |
632 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r |
633 | @param Count Number of bytes to be read\r | |
634 | @param Buf Store the results\r | |
635 | \r | |
636 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
637 | @retval EFI_NOT_READY invalid parameter\r | |
638 | **/\r | |
639 | EFI_STATUS\r | |
640 | PopScancodeBufHead (\r | |
641 | IN SCAN_CODE_QUEUE *Queue,\r | |
642 | IN UINTN Count,\r | |
5829afe3 | 643 | OUT UINT8 *Buf OPTIONAL\r |
c220787b RN |
644 | )\r |
645 | {\r | |
646 | UINTN Index;\r | |
647 | \r | |
648 | //\r | |
649 | // Check the valid range of parameter 'Count'\r | |
650 | //\r | |
651 | if (GetScancodeBufCount (Queue) < Count) {\r | |
652 | return EFI_NOT_READY;\r | |
653 | }\r | |
654 | //\r | |
655 | // Retrieve and remove the values\r | |
656 | //\r | |
657 | for (Index = 0; Index < Count; Index++, Queue->Head = (Queue->Head + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {\r | |
5829afe3 | 658 | if (Buf != NULL) {\r |
659 | Buf[Index] = Queue->Buffer[Queue->Head];\r | |
660 | }\r | |
c220787b RN |
661 | }\r |
662 | \r | |
663 | return EFI_SUCCESS;\r | |
664 | }\r | |
665 | \r | |
5829afe3 | 666 | /**\r |
667 | Push one byte to the scancode buffer.\r | |
668 | \r | |
669 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
670 | @param Scancode The byte to push.\r | |
671 | **/\r | |
672 | VOID\r | |
673 | PushScancodeBufTail (\r | |
674 | IN SCAN_CODE_QUEUE *Queue,\r | |
675 | IN UINT8 Scancode\r | |
676 | )\r | |
677 | {\r | |
678 | if (GetScancodeBufCount (Queue) == KEYBOARD_SCAN_CODE_MAX_COUNT - 1) {\r | |
679 | PopScancodeBufHead (Queue, 1, NULL);\r | |
680 | }\r | |
681 | \r | |
682 | Queue->Buffer[Queue->Tail] = Scancode;\r | |
683 | Queue->Tail = (Queue->Tail + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT;\r | |
684 | }\r | |
685 | \r | |
bcd70414 | 686 | /**\r |
f713c4fe | 687 | Read data register .\r |
bcd70414 | 688 | \r |
689 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
690 | \r | |
5829afe3 | 691 | @return return the value\r |
bcd70414 | 692 | \r |
693 | **/\r | |
05fbd06d | 694 | UINT8\r |
695 | KeyReadDataRegister (\r | |
696 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
697 | )\r | |
05fbd06d | 698 | \r |
05fbd06d | 699 | {\r |
700 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
701 | UINT8 Data;\r | |
702 | \r | |
703 | //\r | |
704 | // Use IsaIo protocol to perform IO operations\r | |
705 | //\r | |
706 | IsaIo = ConsoleIn->IsaIo;\r | |
707 | \r | |
708 | IsaIo->Io.Read (\r | |
709 | IsaIo,\r | |
710 | EfiIsaIoWidthUint8,\r | |
711 | ConsoleIn->DataRegisterAddress,\r | |
712 | 1,\r | |
713 | &Data\r | |
714 | );\r | |
715 | \r | |
716 | return Data;\r | |
717 | }\r | |
718 | \r | |
bcd70414 | 719 | /**\r |
f713c4fe | 720 | Write data register.\r |
bcd70414 | 721 | \r |
722 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
723 | @param Data value wanted to be written\r | |
724 | \r | |
725 | **/\r | |
05fbd06d | 726 | VOID\r |
727 | KeyWriteDataRegister (\r | |
728 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
729 | IN UINT8 Data\r | |
730 | )\r | |
05fbd06d | 731 | {\r |
c220787b RN |
732 | ConsoleIn->IsaIo->Io.Write (\r |
733 | ConsoleIn->IsaIo,\r | |
734 | EfiIsaIoWidthUint8,\r | |
735 | ConsoleIn->DataRegisterAddress,\r | |
736 | 1,\r | |
737 | &Data\r | |
738 | );\r | |
05fbd06d | 739 | }\r |
740 | \r | |
bcd70414 | 741 | /**\r |
f713c4fe | 742 | Read status register.\r |
bcd70414 | 743 | \r |
744 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
745 | \r | |
746 | @return value in status register\r | |
747 | \r | |
748 | **/\r | |
05fbd06d | 749 | UINT8\r |
750 | KeyReadStatusRegister (\r | |
751 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
752 | )\r | |
05fbd06d | 753 | {\r |
05fbd06d | 754 | UINT8 Data;\r |
c220787b RN |
755 | ConsoleIn->IsaIo->Io.Read (\r |
756 | ConsoleIn->IsaIo,\r | |
757 | EfiIsaIoWidthUint8,\r | |
758 | ConsoleIn->StatusRegisterAddress,\r | |
759 | 1,\r | |
760 | &Data\r | |
761 | );\r | |
05fbd06d | 762 | return Data;\r |
05fbd06d | 763 | }\r |
764 | \r | |
bcd70414 | 765 | /**\r |
f713c4fe | 766 | Write command register .\r |
bcd70414 | 767 | \r |
768 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
769 | @param Data The value wanted to be written\r | |
770 | \r | |
771 | **/\r | |
05fbd06d | 772 | VOID\r |
773 | KeyWriteCommandRegister (\r | |
774 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
775 | IN UINT8 Data\r | |
776 | )\r | |
05fbd06d | 777 | {\r |
c220787b RN |
778 | ConsoleIn->IsaIo->Io.Write (\r |
779 | ConsoleIn->IsaIo,\r | |
780 | EfiIsaIoWidthUint8,\r | |
781 | ConsoleIn->CommandRegisterAddress,\r | |
782 | 1,\r | |
783 | &Data\r | |
784 | );\r | |
05fbd06d | 785 | }\r |
786 | \r | |
bcd70414 | 787 | /**\r |
f713c4fe | 788 | Display error message.\r |
bcd70414 | 789 | \r |
790 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
791 | @param ErrMsg Unicode string of error message\r | |
5829afe3 | 792 | \r |
bcd70414 | 793 | **/\r |
05fbd06d | 794 | VOID\r |
795 | KeyboardError (\r | |
796 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
797 | IN CHAR16 *ErrMsg\r | |
798 | )\r | |
05fbd06d | 799 | {\r |
800 | ConsoleIn->KeyboardErr = TRUE;\r | |
05fbd06d | 801 | }\r |
802 | \r | |
bcd70414 | 803 | /**\r |
05fbd06d | 804 | Timer event handler: read a series of scancodes from 8042\r |
805 | and put them into memory scancode buffer.\r | |
806 | it read as much scancodes to either fill\r | |
807 | the memory buffer or empty the keyboard buffer.\r | |
808 | It is registered as running under TPL_NOTIFY\r | |
809 | \r | |
b6763e03 | 810 | @param Event The timer event\r |
811 | @param Context A KEYBOARD_CONSOLE_IN_DEV pointer\r | |
05fbd06d | 812 | \r |
bcd70414 | 813 | **/\r |
814 | VOID\r | |
815 | EFIAPI\r | |
816 | KeyboardTimerHandler (\r | |
817 | IN EFI_EVENT Event,\r | |
818 | IN VOID *Context\r | |
819 | )\r | |
05fbd06d | 820 | \r |
05fbd06d | 821 | {\r |
822 | UINT8 Data;\r | |
823 | EFI_TPL OldTpl;\r | |
824 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
825 | \r | |
c220787b | 826 | ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *) Context;\r |
05fbd06d | 827 | \r |
828 | //\r | |
829 | // Enter critical section\r | |
830 | //\r | |
831 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
832 | \r | |
833 | if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {\r | |
834 | //\r | |
835 | // Leave critical section and return\r | |
836 | //\r | |
837 | gBS->RestoreTPL (OldTpl);\r | |
838 | return ;\r | |
839 | }\r | |
b6763e03 | 840 | \r |
05fbd06d | 841 | //\r |
842 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r | |
c220787b RN |
843 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r |
844 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r | |
05fbd06d | 845 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r |
846 | // Just skip the 'resend' process simply.\r | |
847 | //\r | |
848 | \r | |
c220787b RN |
849 | while ((KeyReadStatusRegister (ConsoleIn) & (KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT|KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA)) ==\r |
850 | KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA\r | |
851 | ) {\r | |
05fbd06d | 852 | //\r |
c220787b | 853 | // Read one byte of the scan code and store it into the memory buffer\r |
05fbd06d | 854 | //\r |
c220787b RN |
855 | Data = KeyReadDataRegister (ConsoleIn);\r |
856 | PushScancodeBufTail (&ConsoleIn->ScancodeQueue, Data);\r | |
05fbd06d | 857 | }\r |
c220787b | 858 | KeyGetchar (ConsoleIn);\r |
05fbd06d | 859 | \r |
05fbd06d | 860 | //\r |
861 | // Leave critical section and return\r | |
862 | //\r | |
863 | gBS->RestoreTPL (OldTpl);\r | |
05fbd06d | 864 | }\r |
865 | \r | |
bcd70414 | 866 | /**\r |
f713c4fe | 867 | Read key value .\r |
bcd70414 | 868 | \r |
869 | @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
870 | @param Data - Pointer to outof buffer for keeping key value\r | |
871 | \r | |
872 | @retval EFI_TIMEOUT Status resigter time out\r | |
873 | @retval EFI_SUCCESS Success to read keyboard\r | |
874 | \r | |
875 | **/\r | |
05fbd06d | 876 | EFI_STATUS\r |
877 | KeyboardRead (\r | |
878 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
879 | OUT UINT8 *Data\r | |
880 | )\r | |
05fbd06d | 881 | \r |
05fbd06d | 882 | {\r |
883 | UINT32 TimeOut;\r | |
884 | UINT32 RegFilled;\r | |
885 | \r | |
886 | TimeOut = 0;\r | |
887 | RegFilled = 0;\r | |
888 | \r | |
889 | //\r | |
890 | // wait till output buffer full then perform the read\r | |
891 | //\r | |
892 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
b6763e03 | 893 | if (KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) {\r |
05fbd06d | 894 | RegFilled = 1;\r |
895 | *Data = KeyReadDataRegister (ConsoleIn);\r | |
896 | break;\r | |
897 | }\r | |
898 | \r | |
b6763e03 | 899 | MicroSecondDelay (30);\r |
05fbd06d | 900 | }\r |
901 | \r | |
f713c4fe | 902 | if (RegFilled == 0) {\r |
05fbd06d | 903 | return EFI_TIMEOUT;\r |
904 | }\r | |
905 | \r | |
906 | return EFI_SUCCESS;\r | |
907 | }\r | |
908 | \r | |
bcd70414 | 909 | /**\r |
910 | write key to keyboard\r | |
911 | \r | |
912 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
913 | @param Data value wanted to be written\r | |
914 | \r | |
b6763e03 | 915 | @retval EFI_TIMEOUT The input buffer register is full for putting new value util timeout\r |
916 | @retval EFI_SUCCESS The new value is sucess put into input buffer register.\r | |
bcd70414 | 917 | \r |
918 | **/\r | |
05fbd06d | 919 | EFI_STATUS\r |
920 | KeyboardWrite (\r | |
921 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
922 | IN UINT8 Data\r | |
923 | )\r | |
05fbd06d | 924 | {\r |
925 | UINT32 TimeOut;\r | |
926 | UINT32 RegEmptied;\r | |
927 | \r | |
928 | TimeOut = 0;\r | |
929 | RegEmptied = 0;\r | |
930 | \r | |
931 | //\r | |
932 | // wait for input buffer empty\r | |
933 | //\r | |
934 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
f713c4fe | 935 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
05fbd06d | 936 | RegEmptied = 1;\r |
937 | break;\r | |
938 | }\r | |
939 | \r | |
b6763e03 | 940 | MicroSecondDelay (30);\r |
05fbd06d | 941 | }\r |
942 | \r | |
f713c4fe | 943 | if (RegEmptied == 0) {\r |
05fbd06d | 944 | return EFI_TIMEOUT;\r |
945 | }\r | |
946 | //\r | |
947 | // Write it\r | |
948 | //\r | |
949 | KeyWriteDataRegister (ConsoleIn, Data);\r | |
950 | \r | |
951 | return EFI_SUCCESS;\r | |
952 | }\r | |
953 | \r | |
bcd70414 | 954 | /**\r |
f713c4fe | 955 | Issue keyboard command.\r |
bcd70414 | 956 | \r |
957 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
5829afe3 | 958 | @param Data The buff holding the command\r |
bcd70414 | 959 | \r |
5829afe3 | 960 | @retval EFI_TIMEOUT Keyboard is not ready to issuing\r |
bcd70414 | 961 | @retval EFI_SUCCESS Success to issue keyboard command\r |
962 | \r | |
963 | **/\r | |
05fbd06d | 964 | EFI_STATUS\r |
965 | KeyboardCommand (\r | |
966 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
967 | IN UINT8 Data\r | |
968 | )\r | |
05fbd06d | 969 | {\r |
970 | UINT32 TimeOut;\r | |
971 | UINT32 RegEmptied;\r | |
972 | \r | |
973 | TimeOut = 0;\r | |
974 | RegEmptied = 0;\r | |
975 | \r | |
976 | //\r | |
977 | // Wait For Input Buffer Empty\r | |
978 | //\r | |
979 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
f713c4fe | 980 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
05fbd06d | 981 | RegEmptied = 1;\r |
982 | break;\r | |
983 | }\r | |
984 | \r | |
b6763e03 | 985 | MicroSecondDelay (30);\r |
05fbd06d | 986 | }\r |
987 | \r | |
f713c4fe | 988 | if (RegEmptied == 0) {\r |
05fbd06d | 989 | return EFI_TIMEOUT;\r |
990 | }\r | |
991 | //\r | |
992 | // issue the command\r | |
993 | //\r | |
994 | KeyWriteCommandRegister (ConsoleIn, Data);\r | |
995 | \r | |
996 | //\r | |
997 | // Wait For Input Buffer Empty again\r | |
998 | //\r | |
999 | RegEmptied = 0;\r | |
1000 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
f713c4fe | 1001 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
05fbd06d | 1002 | RegEmptied = 1;\r |
1003 | break;\r | |
1004 | }\r | |
1005 | \r | |
b6763e03 | 1006 | MicroSecondDelay (30);\r |
05fbd06d | 1007 | }\r |
1008 | \r | |
f713c4fe | 1009 | if (RegEmptied == 0) {\r |
05fbd06d | 1010 | return EFI_TIMEOUT;\r |
1011 | }\r | |
1012 | \r | |
1013 | return EFI_SUCCESS;\r | |
1014 | }\r | |
1015 | \r | |
bcd70414 | 1016 | /**\r |
1017 | wait for a specific value to be presented on\r | |
1018 | 8042 Data register by keyboard and then read it,\r | |
1019 | used in keyboard commands ack\r | |
1020 | \r | |
1021 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
1022 | @param Value the value wanted to be waited.\r | |
1023 | \r | |
1024 | @retval EFI_TIMEOUT Fail to get specific value in given time\r | |
1025 | @retval EFI_SUCCESS Success to get specific value in given time.\r | |
5829afe3 | 1026 | \r |
bcd70414 | 1027 | **/\r |
05fbd06d | 1028 | EFI_STATUS\r |
1029 | KeyboardWaitForValue (\r | |
1030 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1031 | IN UINT8 Value\r | |
1032 | )\r | |
05fbd06d | 1033 | {\r |
1034 | UINT8 Data;\r | |
1035 | UINT32 TimeOut;\r | |
1036 | UINT32 SumTimeOut;\r | |
1037 | UINT32 GotIt;\r | |
1038 | \r | |
1039 | GotIt = 0;\r | |
1040 | TimeOut = 0;\r | |
1041 | SumTimeOut = 0;\r | |
1042 | \r | |
1043 | //\r | |
1044 | // Make sure the initial value of 'Data' is different from 'Value'\r | |
1045 | //\r | |
1046 | Data = 0;\r | |
1047 | if (Data == Value) {\r | |
1048 | Data = 1;\r | |
1049 | }\r | |
1050 | //\r | |
1051 | // Read from 8042 (multiple times if needed)\r | |
1052 | // until the expected value appears\r | |
1053 | // use SumTimeOut to control the iteration\r | |
1054 | //\r | |
1055 | while (1) {\r | |
1056 | //\r | |
1057 | // Perform a read\r | |
1058 | //\r | |
1059 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1060 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r | |
1061 | Data = KeyReadDataRegister (ConsoleIn);\r | |
1062 | break;\r | |
1063 | }\r | |
1064 | \r | |
b6763e03 | 1065 | MicroSecondDelay (30);\r |
05fbd06d | 1066 | }\r |
1067 | \r | |
1068 | SumTimeOut += TimeOut;\r | |
1069 | \r | |
1070 | if (Data == Value) {\r | |
1071 | GotIt = 1;\r | |
1072 | break;\r | |
1073 | }\r | |
1074 | \r | |
1075 | if (SumTimeOut >= mWaitForValueTimeOut) {\r | |
1076 | break;\r | |
1077 | }\r | |
1078 | }\r | |
1079 | //\r | |
1080 | // Check results\r | |
1081 | //\r | |
b6763e03 | 1082 | if (GotIt == 1) {\r |
05fbd06d | 1083 | return EFI_SUCCESS;\r |
1084 | } else {\r | |
1085 | return EFI_TIMEOUT;\r | |
1086 | }\r | |
1087 | \r | |
1088 | }\r | |
1089 | \r | |
bcd70414 | 1090 | /**\r |
05fbd06d | 1091 | Show keyboard status lights according to\r |
1092 | indicators in ConsoleIn.\r | |
1093 | \r | |
bcd70414 | 1094 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
5829afe3 | 1095 | \r |
b6763e03 | 1096 | @return status of updating keyboard register\r |
05fbd06d | 1097 | \r |
bcd70414 | 1098 | **/\r |
1099 | EFI_STATUS\r | |
1100 | UpdateStatusLights (\r | |
1101 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1102 | )\r | |
05fbd06d | 1103 | {\r |
1104 | EFI_STATUS Status;\r | |
1105 | UINT8 Command;\r | |
1106 | \r | |
1107 | //\r | |
1108 | // Send keyboard command\r | |
1109 | //\r | |
1110 | Status = KeyboardWrite (ConsoleIn, 0xed);\r | |
1111 | if (EFI_ERROR (Status)) {\r | |
1112 | return Status;\r | |
1113 | }\r | |
1114 | \r | |
1115 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1116 | \r | |
1117 | //\r | |
1118 | // Light configuration\r | |
1119 | //\r | |
1120 | Command = 0;\r | |
1121 | if (ConsoleIn->CapsLock) {\r | |
1122 | Command |= 4;\r | |
1123 | }\r | |
1124 | \r | |
1125 | if (ConsoleIn->NumLock) {\r | |
1126 | Command |= 2;\r | |
1127 | }\r | |
1128 | \r | |
1129 | if (ConsoleIn->ScrollLock) {\r | |
1130 | Command |= 1;\r | |
1131 | }\r | |
1132 | \r | |
1133 | Status = KeyboardWrite (ConsoleIn, Command);\r | |
1134 | \r | |
1135 | if (EFI_ERROR (Status)) {\r | |
1136 | return Status;\r | |
1137 | }\r | |
1138 | \r | |
1139 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1140 | return Status;\r | |
1141 | }\r | |
1142 | \r | |
896ae6fc RN |
1143 | /**\r |
1144 | Initialize the key state.\r | |
1145 | \r | |
1146 | @param ConsoleIn The KEYBOARD_CONSOLE_IN_DEV instance.\r | |
1147 | @param KeyState A pointer to receive the key state information.\r | |
1148 | **/\r | |
1149 | VOID\r | |
1150 | InitializeKeyState (\r | |
1151 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1152 | OUT EFI_KEY_STATE *KeyState\r | |
1153 | )\r | |
1154 | {\r | |
1155 | KeyState->KeyShiftState = EFI_SHIFT_STATE_VALID\r | |
1156 | | (ConsoleIn->LeftCtrl ? EFI_LEFT_CONTROL_PRESSED : 0)\r | |
1157 | | (ConsoleIn->RightCtrl ? EFI_RIGHT_CONTROL_PRESSED : 0)\r | |
1158 | | (ConsoleIn->LeftAlt ? EFI_LEFT_ALT_PRESSED : 0)\r | |
1159 | | (ConsoleIn->RightAlt ? EFI_RIGHT_ALT_PRESSED : 0)\r | |
1160 | | (ConsoleIn->LeftShift ? EFI_LEFT_SHIFT_PRESSED : 0)\r | |
1161 | | (ConsoleIn->RightShift ? EFI_RIGHT_SHIFT_PRESSED : 0)\r | |
1162 | | (ConsoleIn->LeftLogo ? EFI_LEFT_LOGO_PRESSED : 0)\r | |
1163 | | (ConsoleIn->RightLogo ? EFI_RIGHT_LOGO_PRESSED : 0)\r | |
1164 | | (ConsoleIn->Menu ? EFI_MENU_KEY_PRESSED : 0)\r | |
1165 | | (ConsoleIn->SysReq ? EFI_SYS_REQ_PRESSED : 0)\r | |
1166 | ;\r | |
1167 | KeyState->KeyToggleState = EFI_TOGGLE_STATE_VALID\r | |
1168 | | (ConsoleIn->CapsLock ? EFI_CAPS_LOCK_ACTIVE : 0)\r | |
1169 | | (ConsoleIn->NumLock ? EFI_NUM_LOCK_ACTIVE : 0)\r | |
1170 | | (ConsoleIn->ScrollLock ? EFI_SCROLL_LOCK_ACTIVE : 0)\r | |
1171 | | (ConsoleIn->IsSupportPartialKey ? EFI_KEY_STATE_EXPOSED : 0)\r | |
1172 | ;\r | |
1173 | }\r | |
1174 | \r | |
bcd70414 | 1175 | /**\r |
c220787b | 1176 | Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.\r |
05fbd06d | 1177 | \r |
c220787b | 1178 | The function is always called in TPL_NOTIFY.\r |
05fbd06d | 1179 | \r |
c220787b | 1180 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
05fbd06d | 1181 | \r |
bcd70414 | 1182 | **/\r |
c220787b | 1183 | VOID\r |
bcd70414 | 1184 | KeyGetchar (\r |
1185 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1186 | )\r | |
05fbd06d | 1187 | {\r |
c220787b | 1188 | EFI_STATUS Status;\r |
e8123186 | 1189 | UINT16 ScanCode;\r |
0d0bbc9f RN |
1190 | BOOLEAN Extend0;\r |
1191 | BOOLEAN Extend1;\r | |
c220787b RN |
1192 | UINTN Index;\r |
1193 | EFI_KEY_DATA KeyData;\r | |
1194 | LIST_ENTRY *Link;\r | |
1195 | KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
05fbd06d | 1196 | //\r |
0d0bbc9f | 1197 | // 3 bytes most\r |
05fbd06d | 1198 | //\r |
0d0bbc9f | 1199 | UINT8 ScancodeArr[3];\r |
c220787b | 1200 | UINT32 ScancodeArrPos;\r |
5829afe3 | 1201 | \r |
05fbd06d | 1202 | //\r |
1203 | // Check if there are enough bytes of scancode representing a single key\r | |
1204 | // available in the buffer\r | |
1205 | //\r | |
b6763e03 | 1206 | while (TRUE) {\r |
0d0bbc9f RN |
1207 | Extend0 = FALSE;\r |
1208 | Extend1 = FALSE;\r | |
1209 | ScancodeArrPos = 0;\r | |
1210 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
05fbd06d | 1211 | if (EFI_ERROR (Status)) {\r |
c220787b | 1212 | return ;\r |
05fbd06d | 1213 | }\r |
1214 | \r | |
0d0bbc9f RN |
1215 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED0) {\r |
1216 | //\r | |
1217 | // E0 to look ahead 2 bytes\r | |
1218 | //\r | |
1219 | Extend0 = TRUE;\r | |
1220 | ScancodeArrPos = 1;\r | |
1221 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
05fbd06d | 1222 | if (EFI_ERROR (Status)) {\r |
c220787b | 1223 | return ;\r |
05fbd06d | 1224 | }\r |
0d0bbc9f | 1225 | } else if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {\r |
8a30d785 | 1226 | //\r |
0d0bbc9f | 1227 | // E1 to look ahead 3 bytes\r |
8a30d785 | 1228 | //\r |
0d0bbc9f RN |
1229 | Extend1 = TRUE;\r |
1230 | ScancodeArrPos = 2;\r | |
1231 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
05fbd06d | 1232 | if (EFI_ERROR (Status)) {\r |
c220787b | 1233 | return ;\r |
05fbd06d | 1234 | }\r |
05fbd06d | 1235 | }\r |
1236 | //\r | |
1237 | // if we reach this position, scancodes for a key is in buffer now,pop them\r | |
1238 | //\r | |
c220787b | 1239 | Status = PopScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r |
0d0bbc9f | 1240 | ASSERT_EFI_ERROR (Status);\r |
05fbd06d | 1241 | \r |
0d0bbc9f RN |
1242 | //\r |
1243 | // store the last available byte, this byte of scancode will be checked\r | |
1244 | //\r | |
1245 | ScanCode = ScancodeArr[ScancodeArrPos];\r | |
1246 | \r | |
1247 | if (!Extend1) {\r | |
e8123186 | 1248 | //\r |
1249 | // Check for special keys and update the driver state.\r | |
1250 | //\r | |
1251 | switch (ScanCode) {\r | |
5829afe3 | 1252 | \r |
e8123186 | 1253 | case SCANCODE_CTRL_MAKE:\r |
0d0bbc9f RN |
1254 | if (Extend0) {\r |
1255 | ConsoleIn->RightCtrl = TRUE;\r | |
1256 | } else {\r | |
1257 | ConsoleIn->LeftCtrl = TRUE;\r | |
1258 | }\r | |
5829afe3 | 1259 | break;\r |
e8123186 | 1260 | case SCANCODE_CTRL_BREAK:\r |
0d0bbc9f RN |
1261 | if (Extend0) {\r |
1262 | ConsoleIn->RightCtrl = FALSE;\r | |
1263 | } else {\r | |
1264 | ConsoleIn->LeftCtrl = FALSE;\r | |
1265 | }\r | |
e8123186 | 1266 | break;\r |
0d0bbc9f | 1267 | \r |
e8123186 | 1268 | case SCANCODE_ALT_MAKE:\r |
0d0bbc9f RN |
1269 | if (Extend0) {\r |
1270 | ConsoleIn->RightAlt = TRUE;\r | |
1271 | } else {\r | |
1272 | ConsoleIn->LeftAlt = TRUE;\r | |
1273 | }\r | |
5829afe3 | 1274 | break;\r |
e8123186 | 1275 | case SCANCODE_ALT_BREAK:\r |
0d0bbc9f RN |
1276 | if (Extend0) {\r |
1277 | ConsoleIn->RightAlt = FALSE;\r | |
1278 | } else {\r | |
1279 | ConsoleIn->LeftAlt = FALSE;\r | |
1280 | }\r | |
e8123186 | 1281 | break;\r |
0d0bbc9f | 1282 | \r |
e8123186 | 1283 | case SCANCODE_LEFT_SHIFT_MAKE:\r |
0d0bbc9f RN |
1284 | //\r |
1285 | // To avoid recognize PRNT_SCRN key as a L_SHIFT key\r | |
5829afe3 | 1286 | // because PRNT_SCRN key generates E0 followed by L_SHIFT scan code.\r |
1287 | // If it the second byte of the PRNT_ScRN skip it.\r | |
0d0bbc9f RN |
1288 | //\r |
1289 | if (!Extend0) {\r | |
1290 | ConsoleIn->LeftShift = TRUE;\r | |
5829afe3 | 1291 | break;\r |
e8123186 | 1292 | }\r |
5829afe3 | 1293 | continue;\r |
1294 | \r | |
e8123186 | 1295 | case SCANCODE_LEFT_SHIFT_BREAK:\r |
0d0bbc9f | 1296 | if (!Extend0) {\r |
e8123186 | 1297 | ConsoleIn->LeftShift = FALSE;\r |
0d0bbc9f RN |
1298 | }\r |
1299 | break;\r | |
1300 | \r | |
1301 | case SCANCODE_RIGHT_SHIFT_MAKE:\r | |
1302 | ConsoleIn->RightShift = TRUE;\r | |
e8123186 | 1303 | break;\r |
1304 | case SCANCODE_RIGHT_SHIFT_BREAK:\r | |
0d0bbc9f | 1305 | ConsoleIn->RightShift = FALSE;\r |
e8123186 | 1306 | break;\r |
5829afe3 | 1307 | \r |
e8123186 | 1308 | case SCANCODE_LEFT_LOGO_MAKE:\r |
1309 | ConsoleIn->LeftLogo = TRUE;\r | |
0d0bbc9f | 1310 | break;\r |
e8123186 | 1311 | case SCANCODE_LEFT_LOGO_BREAK:\r |
1312 | ConsoleIn->LeftLogo = FALSE;\r | |
0d0bbc9f RN |
1313 | break;\r |
1314 | \r | |
e8123186 | 1315 | case SCANCODE_RIGHT_LOGO_MAKE:\r |
1316 | ConsoleIn->RightLogo = TRUE;\r | |
1317 | break;\r | |
1318 | case SCANCODE_RIGHT_LOGO_BREAK:\r | |
1319 | ConsoleIn->RightLogo = FALSE;\r | |
0d0bbc9f RN |
1320 | break;\r |
1321 | \r | |
e8123186 | 1322 | case SCANCODE_MENU_MAKE:\r |
1323 | ConsoleIn->Menu = TRUE;\r | |
1324 | break;\r | |
1325 | case SCANCODE_MENU_BREAK:\r | |
1326 | ConsoleIn->Menu = FALSE;\r | |
0d0bbc9f RN |
1327 | break;\r |
1328 | \r | |
e8123186 | 1329 | case SCANCODE_SYS_REQ_MAKE:\r |
0d0bbc9f | 1330 | if (Extend0) {\r |
e8123186 | 1331 | ConsoleIn->SysReq = TRUE;\r |
1332 | }\r | |
1333 | break;\r | |
0d0bbc9f RN |
1334 | case SCANCODE_SYS_REQ_BREAK:\r |
1335 | if (Extend0) {\r | |
1336 | ConsoleIn->SysReq = FALSE;\r | |
1337 | }\r | |
1338 | break;\r | |
1339 | \r | |
1340 | case SCANCODE_SYS_REQ_MAKE_WITH_ALT:\r | |
1341 | ConsoleIn->SysReq = TRUE;\r | |
1342 | break;\r | |
1343 | case SCANCODE_SYS_REQ_BREAK_WITH_ALT:\r | |
1344 | ConsoleIn->SysReq = FALSE;\r | |
1345 | break;\r | |
1346 | \r | |
e8123186 | 1347 | case SCANCODE_CAPS_LOCK_MAKE:\r |
1348 | ConsoleIn->CapsLock = (BOOLEAN)!ConsoleIn->CapsLock;\r | |
1349 | UpdateStatusLights (ConsoleIn);\r | |
1350 | break;\r | |
1351 | case SCANCODE_NUM_LOCK_MAKE:\r | |
1352 | ConsoleIn->NumLock = (BOOLEAN)!ConsoleIn->NumLock;\r | |
1353 | UpdateStatusLights (ConsoleIn);\r | |
1354 | break;\r | |
1355 | case SCANCODE_SCROLL_LOCK_MAKE:\r | |
0d0bbc9f RN |
1356 | if (!Extend0) {\r |
1357 | ConsoleIn->ScrollLock = (BOOLEAN)!ConsoleIn->ScrollLock;\r | |
1358 | UpdateStatusLights (ConsoleIn);\r | |
1359 | }\r | |
e8123186 | 1360 | break;\r |
f3d1e940 | 1361 | }\r |
0d0bbc9f | 1362 | }\r |
5829afe3 | 1363 | \r |
0d0bbc9f RN |
1364 | //\r |
1365 | // If this is above the valid range, ignore it\r | |
1366 | //\r | |
1367 | if (ScanCode >= SCANCODE_MAX_MAKE) {\r | |
1368 | continue;\r | |
05fbd06d | 1369 | } else {\r |
0d0bbc9f | 1370 | break;\r |
05fbd06d | 1371 | }\r |
1372 | }\r | |
c220787b | 1373 | \r |
05fbd06d | 1374 | //\r |
c220787b | 1375 | // Handle Ctrl+Alt+Del hotkey\r |
05fbd06d | 1376 | //\r |
0d0bbc9f RN |
1377 | if ((ConsoleIn->LeftCtrl || ConsoleIn->RightCtrl) &&\r |
1378 | (ConsoleIn->LeftAlt || ConsoleIn->RightAlt ) &&\r | |
1379 | ScanCode == SCANCODE_DELETE_MAKE\r | |
1380 | ) {\r | |
c220787b | 1381 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r |
05fbd06d | 1382 | }\r |
c220787b | 1383 | \r |
0d0bbc9f RN |
1384 | //\r |
1385 | // Save the Shift/Toggle state\r | |
1386 | //\r | |
896ae6fc RN |
1387 | InitializeKeyState (ConsoleIn, &KeyData.KeyState);\r |
1388 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
1389 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
c220787b | 1390 | \r |
05fbd06d | 1391 | //\r |
0d0bbc9f | 1392 | // Key Pad "/" shares the same scancode as that of "/" except Key Pad "/" has E0 prefix\r |
05fbd06d | 1393 | //\r |
0d0bbc9f | 1394 | if (Extend0 && ScanCode == 0x35) {\r |
c220787b RN |
1395 | KeyData.Key.UnicodeChar = L'/';\r |
1396 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
0d0bbc9f RN |
1397 | \r |
1398 | //\r | |
1399 | // PAUSE shares the same scancode as that of NUM except PAUSE has E1 prefix\r | |
1400 | //\r | |
1401 | } else if (Extend1 && ScanCode == SCANCODE_NUM_LOCK_MAKE) {\r | |
1402 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
1403 | KeyData.Key.ScanCode = SCAN_PAUSE;\r | |
1404 | \r | |
1405 | //\r | |
1406 | // PAUSE shares the same scancode as that of SCROLL except PAUSE (CTRL pressed) has E0 prefix\r | |
1407 | //\r | |
1408 | } else if (Extend0 && ScanCode == SCANCODE_SCROLL_LOCK_MAKE) {\r | |
1409 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
1410 | KeyData.Key.ScanCode = SCAN_PAUSE;\r | |
1411 | \r | |
1412 | //\r | |
1413 | // PRNT_SCRN shares the same scancode as that of Key Pad "*" except PRNT_SCRN has E0 prefix\r | |
1414 | //\r | |
1415 | } else if (Extend0 && ScanCode == SCANCODE_SYS_REQ_MAKE) {\r | |
1416 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
1417 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
1418 | \r | |
1419 | //\r | |
1420 | // Except the above special case, all others can be handled by convert table\r | |
1421 | //\r | |
c220787b | 1422 | } else {\r |
0d0bbc9f | 1423 | for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index++) {\r |
c220787b RN |
1424 | if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {\r |
1425 | KeyData.Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;\r | |
1426 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r | |
1427 | \r | |
5829afe3 | 1428 | if ((ConsoleIn->LeftShift || ConsoleIn->RightShift) &&\r |
c220787b RN |
1429 | (ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar != ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar)) {\r |
1430 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r | |
1431 | //\r | |
1432 | // Need not return associated shift state if a class of printable characters that\r | |
1433 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r | |
1434 | //\r | |
0d0bbc9f | 1435 | KeyData.KeyState.KeyShiftState &= ~(EFI_LEFT_SHIFT_PRESSED | EFI_RIGHT_SHIFT_PRESSED);\r |
f3d1e940 | 1436 | }\r |
c220787b RN |
1437 | //\r |
1438 | // alphabetic key is affected by CapsLock State\r | |
1439 | //\r | |
1440 | if (ConsoleIn->CapsLock) {\r | |
1441 | if (KeyData.Key.UnicodeChar >= L'a' && KeyData.Key.UnicodeChar <= L'z') {\r | |
1442 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'a' + L'A');\r | |
1443 | } else if (KeyData.Key.UnicodeChar >= L'A' && KeyData.Key.UnicodeChar <= L'Z') {\r | |
1444 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'A' + L'a');\r | |
1445 | }\r | |
1f771698 | 1446 | }\r |
c220787b | 1447 | break;\r |
1f771698 | 1448 | }\r |
05fbd06d | 1449 | }\r |
1450 | }\r | |
1451 | \r | |
1452 | //\r | |
1453 | // distinguish numeric key pad keys' 'up symbol' and 'down symbol'\r | |
1454 | //\r | |
1455 | if (ScanCode >= 0x47 && ScanCode <= 0x53) {\r | |
0d0bbc9f | 1456 | if (ConsoleIn->NumLock && !(ConsoleIn->LeftShift || ConsoleIn->RightShift) && !Extend0) {\r |
c220787b | 1457 | KeyData.Key.ScanCode = SCAN_NULL;\r |
05fbd06d | 1458 | } else if (ScanCode != 0x4a && ScanCode != 0x4e) {\r |
c220787b | 1459 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
05fbd06d | 1460 | }\r |
1461 | }\r | |
5829afe3 | 1462 | \r |
05fbd06d | 1463 | //\r |
1464 | // If the key can not be converted then just return.\r | |
1465 | //\r | |
c220787b | 1466 | if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {\r |
5829afe3 | 1467 | if (!ConsoleIn->IsSupportPartialKey) {\r |
1468 | return ;\r | |
1469 | }\r | |
05fbd06d | 1470 | }\r |
1471 | \r | |
c220787b | 1472 | //\r |
7863d11c | 1473 | // Signal KeyNotify process event if this key pressed matches any key registered.\r |
c220787b RN |
1474 | //\r |
1475 | for (Link = GetFirstNode (&ConsoleIn->NotifyList); !IsNull (&ConsoleIn->NotifyList, Link); Link = GetNextNode (&ConsoleIn->NotifyList, Link)) {\r | |
1476 | CurrentNotify = CR (\r | |
5829afe3 | 1477 | Link,\r |
1478 | KEYBOARD_CONSOLE_IN_EX_NOTIFY,\r | |
1479 | NotifyEntry,\r | |
c220787b RN |
1480 | KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
1481 | );\r | |
5829afe3 | 1482 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r |
7863d11c SZ |
1483 | //\r |
1484 | // The key notification function needs to run at TPL_CALLBACK\r | |
1485 | // while current TPL is TPL_NOTIFY. It will be invoked in\r | |
1486 | // KeyNotifyProcessHandler() which runs at TPL_CALLBACK.\r | |
1487 | //\r | |
1488 | PushEfikeyBufTail (&ConsoleIn->EfiKeyQueueForNotify, &KeyData);\r | |
1489 | gBS->SignalEvent (ConsoleIn->KeyNotifyProcessEvent);\r | |
c220787b RN |
1490 | }\r |
1491 | }\r | |
5829afe3 | 1492 | \r |
c220787b | 1493 | PushEfikeyBufTail (&ConsoleIn->EfiKeyQueue, &KeyData);\r |
05fbd06d | 1494 | }\r |
1495 | \r | |
bcd70414 | 1496 | /**\r |
5829afe3 | 1497 | Perform 8042 controller and keyboard Initialization.\r |
05fbd06d | 1498 | If ExtendedVerification is TRUE, do additional test for\r |
1499 | the keyboard interface\r | |
1500 | \r | |
bcd70414 | 1501 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
1502 | @param ExtendedVerification - indicates a thorough initialization\r | |
05fbd06d | 1503 | \r |
bcd70414 | 1504 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r |
1505 | @retval EFI_SUCCESS Success to init keyboard\r | |
1506 | **/\r | |
1507 | EFI_STATUS\r | |
1508 | InitKeyboard (\r | |
1509 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1510 | IN BOOLEAN ExtendedVerification\r | |
1511 | )\r | |
05fbd06d | 1512 | {\r |
1513 | EFI_STATUS Status;\r | |
1514 | EFI_STATUS Status1;\r | |
1515 | UINT8 CommandByte;\r | |
05fbd06d | 1516 | EFI_PS2_POLICY_PROTOCOL *Ps2Policy;\r |
05f89b17 | 1517 | UINT32 TryTime;\r |
05fbd06d | 1518 | \r |
05f89b17 | 1519 | Status = EFI_SUCCESS;\r |
4fd730b3 | 1520 | mEnableMouseInterface = TRUE;\r |
05f89b17 | 1521 | TryTime = 0;\r |
05fbd06d | 1522 | \r |
1523 | //\r | |
1524 | // Get Ps2 policy to set this\r | |
1525 | //\r | |
05f89b17 LG |
1526 | gBS->LocateProtocol (\r |
1527 | &gEfiPs2PolicyProtocolGuid,\r | |
1528 | NULL,\r | |
1529 | (VOID **) &Ps2Policy\r | |
1530 | );\r | |
05fbd06d | 1531 | \r |
1532 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1533 | EFI_PROGRESS_CODE,\r | |
1534 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,\r | |
1535 | ConsoleIn->DevicePath\r | |
1536 | );\r | |
1537 | \r | |
1538 | //\r | |
1539 | // Perform a read to cleanup the Status Register's\r | |
05f89b17 | 1540 | // output buffer full bits within MAX TRY times\r |
05fbd06d | 1541 | //\r |
616ac6f5 | 1542 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) != 0) {\r |
4ccfd305 | 1543 | while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {\r |
1544 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r | |
1545 | TryTime ++;\r | |
1546 | }\r | |
1547 | //\r | |
1548 | // Exceed the max try times. The device may be error.\r | |
1549 | //\r | |
1550 | if (TryTime == KEYBOARD_MAX_TRY) {\r | |
0a6f4824 LG |
1551 | Status = EFI_DEVICE_ERROR;\r |
1552 | goto Done;\r | |
4ccfd305 | 1553 | }\r |
05fbd06d | 1554 | }\r |
1555 | //\r | |
1556 | // We should disable mouse interface during the initialization process\r | |
1557 | // since mouse device output could block keyboard device output in the\r | |
1558 | // 60H port of 8042 controller.\r | |
1559 | //\r | |
1560 | // So if we are not initializing 8042 controller for the\r | |
1561 | // first time, we have to remember the previous mouse interface\r | |
1562 | // enabling state\r | |
1563 | //\r | |
1564 | // Test the system flag in to determine whether this is the first\r | |
1565 | // time initialization\r | |
1566 | //\r | |
f713c4fe | 1567 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG) != 0) {\r |
4ccfd305 | 1568 | if (!PcdGetBool (PcdFastPS2Detection)) {\r |
1569 | //\r | |
1570 | // 8042 controller is already setup (by myself or by mouse driver):\r | |
1571 | // See whether mouse interface is already enabled\r | |
1572 | // which determines whether we should enable it later\r | |
1573 | //\r | |
1574 | //\r | |
1575 | // Read the command byte of 8042 controller\r | |
1576 | //\r | |
1577 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_READ);\r | |
1578 | if (EFI_ERROR (Status)) {\r | |
1579 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1580 | goto Done;\r | |
1581 | }\r | |
0a6f4824 | 1582 | \r |
4ccfd305 | 1583 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r |
1584 | if (EFI_ERROR (Status)) {\r | |
1585 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1586 | goto Done;\r | |
1587 | }\r | |
1588 | //\r | |
1589 | // Test the mouse enabling bit\r | |
1590 | //\r | |
1591 | if ((CommandByte & 0x20) != 0) {\r | |
1592 | mEnableMouseInterface = FALSE;\r | |
1593 | } else {\r | |
1594 | mEnableMouseInterface = TRUE;\r | |
1595 | }\r | |
05fbd06d | 1596 | } else {\r |
4ccfd305 | 1597 | mEnableMouseInterface = FALSE;\r |
0a6f4824 | 1598 | }\r |
05fbd06d | 1599 | } else {\r |
1600 | //\r | |
1601 | // 8042 controller is not setup yet:\r | |
1602 | // 8042 controller selftest;\r | |
1603 | // Don't enable mouse interface later.\r | |
1604 | //\r | |
1605 | //\r | |
1606 | // Disable keyboard and mouse interfaces\r | |
1607 | //\r | |
4ccfd305 | 1608 | if (!PcdGetBool (PcdFastPS2Detection)) {\r |
1609 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r | |
1610 | if (EFI_ERROR (Status)) {\r | |
1611 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1612 | goto Done;\r | |
1613 | }\r | |
0a6f4824 | 1614 | \r |
4ccfd305 | 1615 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE);\r |
1616 | if (EFI_ERROR (Status)) {\r | |
1617 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1618 | goto Done;\r | |
1619 | }\r | |
0a6f4824 | 1620 | \r |
4ccfd305 | 1621 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
1622 | EFI_PROGRESS_CODE,\r | |
1623 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,\r | |
1624 | ConsoleIn->DevicePath\r | |
1625 | );\r | |
1626 | //\r | |
1627 | // 8042 Controller Self Test\r | |
1628 | //\r | |
1629 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST);\r | |
1630 | if (EFI_ERROR (Status)) {\r | |
1631 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1632 | goto Done;\r | |
1633 | }\r | |
0a6f4824 | 1634 | \r |
4ccfd305 | 1635 | Status = KeyboardWaitForValue (ConsoleIn, 0x55);\r |
1636 | if (EFI_ERROR (Status)) {\r | |
1637 | KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");\r | |
1638 | goto Done;\r | |
1639 | }\r | |
05fbd06d | 1640 | }\r |
1641 | //\r | |
1642 | // Don't enable mouse interface later\r | |
1643 | //\r | |
4fd730b3 | 1644 | mEnableMouseInterface = FALSE;\r |
05fbd06d | 1645 | \r |
1646 | }\r | |
1647 | \r | |
1648 | if (Ps2Policy != NULL) {\r | |
1649 | Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);\r | |
1650 | }\r | |
1651 | //\r | |
1652 | // Write 8042 Command Byte, set System Flag\r | |
1653 | // While at the same time:\r | |
1654 | // 1. disable mouse interface,\r | |
1655 | // 2. enable kbd interface,\r | |
1656 | // 3. enable PC/XT kbd translation mode\r | |
1657 | // 4. enable mouse and kbd interrupts\r | |
1658 | //\r | |
1659 | // ( Command Byte bits:\r | |
1660 | // 7: Reserved\r | |
1661 | // 6: PC/XT translation mode\r | |
1662 | // 5: Disable Auxiliary device interface\r | |
1663 | // 4: Disable keyboard interface\r | |
1664 | // 3: Reserved\r | |
1665 | // 2: System Flag\r | |
1666 | // 1: Enable Auxiliary device interrupt\r | |
1667 | // 0: Enable Keyboard interrupt )\r | |
1668 | //\r | |
b6763e03 | 1669 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_WRITE);\r |
05fbd06d | 1670 | if (EFI_ERROR (Status)) {\r |
1671 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1672 | goto Done;\r | |
1673 | }\r | |
1674 | \r | |
1675 | Status = KeyboardWrite (ConsoleIn, 0x67);\r | |
1676 | if (EFI_ERROR (Status)) {\r | |
1677 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1678 | goto Done;\r | |
1679 | }\r | |
1680 | \r | |
1681 | //\r | |
1682 | // Clear Memory Scancode Buffer\r | |
1683 | //\r | |
c220787b RN |
1684 | ConsoleIn->ScancodeQueue.Head = 0;\r |
1685 | ConsoleIn->ScancodeQueue.Tail = 0;\r | |
1686 | ConsoleIn->EfiKeyQueue.Head = 0;\r | |
1687 | ConsoleIn->EfiKeyQueue.Tail = 0;\r | |
7863d11c SZ |
1688 | ConsoleIn->EfiKeyQueueForNotify.Head = 0;\r |
1689 | ConsoleIn->EfiKeyQueueForNotify.Tail = 0;\r | |
05fbd06d | 1690 | \r |
1691 | //\r | |
1692 | // Reset the status indicators\r | |
1693 | //\r | |
05fbd06d | 1694 | ConsoleIn->CapsLock = FALSE;\r |
1695 | ConsoleIn->NumLock = FALSE;\r | |
1696 | ConsoleIn->ScrollLock = FALSE;\r | |
0d0bbc9f RN |
1697 | ConsoleIn->LeftCtrl = FALSE;\r |
1698 | ConsoleIn->RightCtrl = FALSE;\r | |
1699 | ConsoleIn->LeftAlt = FALSE;\r | |
5829afe3 | 1700 | ConsoleIn->RightAlt = FALSE;\r |
f3d1e940 | 1701 | ConsoleIn->LeftShift = FALSE;\r |
1702 | ConsoleIn->RightShift = FALSE;\r | |
1703 | ConsoleIn->LeftLogo = FALSE;\r | |
1704 | ConsoleIn->RightLogo = FALSE;\r | |
1705 | ConsoleIn->Menu = FALSE;\r | |
5829afe3 | 1706 | ConsoleIn->SysReq = FALSE;\r |
05fbd06d | 1707 | \r |
5829afe3 | 1708 | ConsoleIn->IsSupportPartialKey = FALSE;\r |
05fbd06d | 1709 | //\r |
70d3fe9d | 1710 | // For resetting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,\r |
05fbd06d | 1711 | // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected\r |
70d3fe9d | 1712 | // to system. So we only do the real resetting for keyboard when user asks and there is a real KB connected t system,\r |
05fbd06d | 1713 | // and normally during booting an OS, it's skipped.\r |
1714 | //\r | |
1715 | if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {\r | |
1716 | //\r | |
1717 | // Additional verifications for keyboard interface\r | |
1718 | //\r | |
1719 | //\r | |
1720 | // Keyboard Interface Test\r | |
1721 | //\r | |
b6763e03 | 1722 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST);\r |
05fbd06d | 1723 | if (EFI_ERROR (Status)) {\r |
1724 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1725 | goto Done;\r | |
1726 | }\r | |
1727 | \r | |
1728 | Status = KeyboardWaitForValue (ConsoleIn, 0x00);\r | |
1729 | if (EFI_ERROR (Status)) {\r | |
1730 | KeyboardError (\r | |
1731 | ConsoleIn,\r | |
1732 | L"Some specific value not aquired from 8042 controller!\n\r"\r | |
1733 | );\r | |
1734 | goto Done;\r | |
1735 | }\r | |
1736 | //\r | |
1737 | // Keyboard reset with a BAT(Basic Assurance Test)\r | |
1738 | //\r | |
b6763e03 | 1739 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_RESET);\r |
05fbd06d | 1740 | if (EFI_ERROR (Status)) {\r |
1741 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1742 | goto Done;\r | |
1743 | }\r | |
1744 | \r | |
b6763e03 | 1745 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1746 | if (EFI_ERROR (Status)) {\r |
1747 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1748 | goto Done;\r | |
1749 | }\r | |
1750 | //\r | |
1751 | // wait for BAT completion code\r | |
1752 | //\r | |
1753 | mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;\r | |
1754 | \r | |
b6763e03 | 1755 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);\r |
05fbd06d | 1756 | if (EFI_ERROR (Status)) {\r |
1757 | KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");\r | |
1758 | goto Done;\r | |
1759 | }\r | |
1760 | \r | |
1761 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
1762 | \r | |
1763 | //\r | |
1764 | // Set Keyboard to use Scan Code Set 2\r | |
1765 | //\r | |
b6763e03 | 1766 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET);\r |
05fbd06d | 1767 | if (EFI_ERROR (Status)) {\r |
1768 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1769 | goto Done;\r | |
1770 | }\r | |
1771 | \r | |
b6763e03 | 1772 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1773 | if (EFI_ERROR (Status)) {\r |
1774 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1775 | goto Done;\r | |
1776 | }\r | |
1777 | \r | |
1778 | Status = KeyboardWrite (ConsoleIn, 0x02);\r | |
1779 | if (EFI_ERROR (Status)) {\r | |
1780 | KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");\r | |
1781 | goto Done;\r | |
1782 | }\r | |
1783 | \r | |
b6763e03 | 1784 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1785 | if (EFI_ERROR (Status)) {\r |
1786 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1787 | goto Done;\r | |
1788 | }\r | |
1789 | \r | |
1790 | //\r | |
1791 | // Clear Keyboard Scancode Buffer\r | |
1792 | //\r | |
b6763e03 | 1793 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA);\r |
05fbd06d | 1794 | if (EFI_ERROR (Status)) {\r |
1795 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1796 | goto Done;\r | |
1797 | }\r | |
1798 | \r | |
b6763e03 | 1799 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1800 | if (EFI_ERROR (Status)) {\r |
1801 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1802 | goto Done;\r | |
1803 | }\r | |
1804 | //\r | |
1805 | if (Ps2Policy != NULL) {\r | |
1806 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {\r | |
1807 | ConsoleIn->CapsLock = TRUE;\r | |
1808 | }\r | |
1809 | \r | |
1810 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {\r | |
1811 | ConsoleIn->NumLock = TRUE;\r | |
1812 | }\r | |
1813 | \r | |
1814 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {\r | |
1815 | ConsoleIn->ScrollLock = TRUE;\r | |
1816 | }\r | |
1817 | }\r | |
1818 | //\r | |
1819 | // Update Keyboard Lights\r | |
1820 | //\r | |
1821 | Status = UpdateStatusLights (ConsoleIn);\r | |
1822 | if (EFI_ERROR (Status)) {\r | |
1823 | KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");\r | |
1824 | goto Done;\r | |
1825 | }\r | |
1826 | }\r | |
1827 | //\r | |
1828 | // At last, we can now enable the mouse interface if appropriate\r | |
1829 | //\r | |
1830 | Done:\r | |
1831 | \r | |
4fd730b3 | 1832 | if (mEnableMouseInterface) {\r |
05fbd06d | 1833 | //\r |
1834 | // Enable mouse interface\r | |
1835 | //\r | |
b6763e03 | 1836 | Status1 = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE);\r |
05fbd06d | 1837 | if (EFI_ERROR (Status1)) {\r |
1838 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1839 | return EFI_DEVICE_ERROR;\r | |
1840 | }\r | |
1841 | }\r | |
1842 | \r | |
1843 | if (!EFI_ERROR (Status)) {\r | |
1844 | return EFI_SUCCESS;\r | |
1845 | } else {\r | |
1846 | return EFI_DEVICE_ERROR;\r | |
1847 | }\r | |
1848 | \r | |
1849 | }\r | |
1850 | \r | |
05fbd06d | 1851 | \r |
05fbd06d | 1852 | \r |
1853 | /**\r | |
1854 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r | |
1855 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r | |
1856 | should not be in system.\r | |
1857 | \r | |
fdb05fa3 | 1858 | @param[in] ConsoleIn Keyboard Private Data Structure\r |
05fbd06d | 1859 | \r |
f3d1e940 | 1860 | @retval TRUE Keyboard in System.\r |
1861 | @retval FALSE Keyboard not in System.\r | |
05fbd06d | 1862 | **/\r |
1863 | BOOLEAN\r | |
1864 | EFIAPI\r | |
1865 | CheckKeyboardConnect (\r | |
1866 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1867 | )\r | |
1868 | {\r | |
1869 | EFI_STATUS Status;\r | |
1870 | UINTN WaitForValueTimeOutBcakup;\r | |
1871 | \r | |
05fbd06d | 1872 | //\r |
1873 | // enable keyboard itself and wait for its ack\r | |
1874 | // If can't receive ack, Keyboard should not be connected.\r | |
1875 | //\r | |
4ccfd305 | 1876 | if (!PcdGetBool (PcdFastPS2Detection)) {\r |
1877 | Status = KeyboardWrite (\r | |
1878 | ConsoleIn,\r | |
1879 | KEYBOARD_KBEN\r | |
1880 | );\r | |
0a6f4824 | 1881 | \r |
4ccfd305 | 1882 | if (EFI_ERROR (Status)) {\r |
1883 | return FALSE;\r | |
1884 | }\r | |
1885 | //\r | |
1886 | // wait for 1s\r | |
1887 | //\r | |
1888 | WaitForValueTimeOutBcakup = mWaitForValueTimeOut;\r | |
1889 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
1890 | Status = KeyboardWaitForValue (\r | |
1891 | ConsoleIn,\r | |
1892 | KEYBOARD_CMDECHO_ACK\r | |
1893 | );\r | |
1894 | mWaitForValueTimeOut = WaitForValueTimeOutBcakup;\r | |
0a6f4824 | 1895 | \r |
4ccfd305 | 1896 | if (EFI_ERROR (Status)) {\r |
1897 | return FALSE;\r | |
1898 | }\r | |
0a6f4824 | 1899 | \r |
4ccfd305 | 1900 | return TRUE;\r |
1901 | } else {\r | |
1902 | return TRUE;\r | |
05fbd06d | 1903 | }\r |
05fbd06d | 1904 | }\r |
bcd70414 | 1905 | \r |