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f713c4fe | 1 | /** @file\r |
05fbd06d | 2 | Routines that access 8042 keyboard controller\r |
3 | \r | |
c220787b | 4 | Copyright (c) 2006 - 2011, 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 |
67319626 | 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 | |
f3d1e940 | 540 | }, \r |
541 | {\r | |
542 | 0x5C, //Right LOGO\r | |
543 | SCAN_NULL,\r | |
67319626 | 544 | 0x0000,\r |
545 | 0x0000\r | |
f3d1e940 | 546 | }, \r |
547 | {\r | |
548 | 0x5D, //Menu key\r | |
549 | SCAN_NULL,\r | |
67319626 | 550 | 0x0000,\r |
551 | 0x0000\r | |
f3d1e940 | 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 | |
572 | \r | |
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 | |
593 | \r | |
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 | |
627 | /**\r | |
628 | Push one byte to the scancode buffer.\r | |
629 | \r | |
630 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
631 | @param Scancode The byte to push.\r | |
632 | **/\r | |
633 | VOID\r | |
634 | PushScancodeBufTail (\r | |
635 | IN SCAN_CODE_QUEUE *Queue,\r | |
636 | IN UINT8 Scancode\r | |
637 | )\r | |
638 | {\r | |
639 | if (GetScancodeBufCount (Queue) == KEYBOARD_SCAN_CODE_MAX_COUNT - 1) {\r | |
640 | return;\r | |
641 | }\r | |
642 | \r | |
643 | Queue->Buffer[Queue->Tail] = Scancode;\r | |
644 | Queue->Tail = (Queue->Tail + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT;\r | |
645 | }\r | |
646 | \r | |
647 | /**\r | |
648 | \r | |
649 | Read & remove several bytes from the scancode buffer.\r | |
650 | This function is usually called after GetScancodeBufHead()\r | |
651 | \r | |
652 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
653 | @param Count Number of bytes to be read\r | |
654 | @param Buf Store the results\r | |
655 | \r | |
656 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
657 | @retval EFI_NOT_READY invalid parameter\r | |
658 | **/\r | |
659 | EFI_STATUS\r | |
660 | PopScancodeBufHead (\r | |
661 | IN SCAN_CODE_QUEUE *Queue,\r | |
662 | IN UINTN Count,\r | |
663 | OUT UINT8 *Buf\r | |
664 | )\r | |
665 | {\r | |
666 | UINTN Index;\r | |
667 | \r | |
668 | //\r | |
669 | // Check the valid range of parameter 'Count'\r | |
670 | //\r | |
671 | if (GetScancodeBufCount (Queue) < Count) {\r | |
672 | return EFI_NOT_READY;\r | |
673 | }\r | |
674 | //\r | |
675 | // Retrieve and remove the values\r | |
676 | //\r | |
677 | for (Index = 0; Index < Count; Index++, Queue->Head = (Queue->Head + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {\r | |
678 | Buf[Index] = Queue->Buffer[Queue->Head];\r | |
679 | }\r | |
680 | \r | |
681 | return EFI_SUCCESS;\r | |
682 | }\r | |
683 | \r | |
bcd70414 | 684 | /**\r |
f713c4fe | 685 | Read data register .\r |
bcd70414 | 686 | \r |
687 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
688 | \r | |
689 | @return return the value \r | |
690 | \r | |
691 | **/\r | |
05fbd06d | 692 | UINT8\r |
693 | KeyReadDataRegister (\r | |
694 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
695 | )\r | |
05fbd06d | 696 | \r |
05fbd06d | 697 | {\r |
698 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
699 | UINT8 Data;\r | |
700 | \r | |
701 | //\r | |
702 | // Use IsaIo protocol to perform IO operations\r | |
703 | //\r | |
704 | IsaIo = ConsoleIn->IsaIo;\r | |
705 | \r | |
706 | IsaIo->Io.Read (\r | |
707 | IsaIo,\r | |
708 | EfiIsaIoWidthUint8,\r | |
709 | ConsoleIn->DataRegisterAddress,\r | |
710 | 1,\r | |
711 | &Data\r | |
712 | );\r | |
713 | \r | |
714 | return Data;\r | |
715 | }\r | |
716 | \r | |
bcd70414 | 717 | /**\r |
f713c4fe | 718 | Write data register.\r |
bcd70414 | 719 | \r |
720 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
721 | @param Data value wanted to be written\r | |
722 | \r | |
723 | **/\r | |
05fbd06d | 724 | VOID\r |
725 | KeyWriteDataRegister (\r | |
726 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
727 | IN UINT8 Data\r | |
728 | )\r | |
05fbd06d | 729 | {\r |
c220787b RN |
730 | ConsoleIn->IsaIo->Io.Write (\r |
731 | ConsoleIn->IsaIo,\r | |
732 | EfiIsaIoWidthUint8,\r | |
733 | ConsoleIn->DataRegisterAddress,\r | |
734 | 1,\r | |
735 | &Data\r | |
736 | );\r | |
05fbd06d | 737 | }\r |
738 | \r | |
bcd70414 | 739 | /**\r |
f713c4fe | 740 | Read status register.\r |
bcd70414 | 741 | \r |
742 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
743 | \r | |
744 | @return value in status register\r | |
745 | \r | |
746 | **/\r | |
05fbd06d | 747 | UINT8\r |
748 | KeyReadStatusRegister (\r | |
749 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
750 | )\r | |
05fbd06d | 751 | {\r |
05fbd06d | 752 | UINT8 Data;\r |
c220787b RN |
753 | ConsoleIn->IsaIo->Io.Read (\r |
754 | ConsoleIn->IsaIo,\r | |
755 | EfiIsaIoWidthUint8,\r | |
756 | ConsoleIn->StatusRegisterAddress,\r | |
757 | 1,\r | |
758 | &Data\r | |
759 | );\r | |
05fbd06d | 760 | return Data;\r |
05fbd06d | 761 | }\r |
762 | \r | |
bcd70414 | 763 | /**\r |
f713c4fe | 764 | Write command register .\r |
bcd70414 | 765 | \r |
766 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
767 | @param Data The value wanted to be written\r | |
768 | \r | |
769 | **/\r | |
05fbd06d | 770 | VOID\r |
771 | KeyWriteCommandRegister (\r | |
772 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
773 | IN UINT8 Data\r | |
774 | )\r | |
05fbd06d | 775 | {\r |
c220787b RN |
776 | ConsoleIn->IsaIo->Io.Write (\r |
777 | ConsoleIn->IsaIo,\r | |
778 | EfiIsaIoWidthUint8,\r | |
779 | ConsoleIn->CommandRegisterAddress,\r | |
780 | 1,\r | |
781 | &Data\r | |
782 | );\r | |
05fbd06d | 783 | }\r |
784 | \r | |
bcd70414 | 785 | /**\r |
f713c4fe | 786 | Display error message.\r |
bcd70414 | 787 | \r |
788 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
789 | @param ErrMsg Unicode string of error message\r | |
790 | \r | |
791 | **/\r | |
05fbd06d | 792 | VOID\r |
793 | KeyboardError (\r | |
794 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
795 | IN CHAR16 *ErrMsg\r | |
796 | )\r | |
05fbd06d | 797 | {\r |
798 | ConsoleIn->KeyboardErr = TRUE;\r | |
05fbd06d | 799 | }\r |
800 | \r | |
bcd70414 | 801 | /**\r |
05fbd06d | 802 | Timer event handler: read a series of scancodes from 8042\r |
803 | and put them into memory scancode buffer.\r | |
804 | it read as much scancodes to either fill\r | |
805 | the memory buffer or empty the keyboard buffer.\r | |
806 | It is registered as running under TPL_NOTIFY\r | |
807 | \r | |
b6763e03 | 808 | @param Event The timer event\r |
809 | @param Context A KEYBOARD_CONSOLE_IN_DEV pointer\r | |
05fbd06d | 810 | \r |
bcd70414 | 811 | **/\r |
812 | VOID\r | |
813 | EFIAPI\r | |
814 | KeyboardTimerHandler (\r | |
815 | IN EFI_EVENT Event,\r | |
816 | IN VOID *Context\r | |
817 | )\r | |
05fbd06d | 818 | \r |
05fbd06d | 819 | {\r |
820 | UINT8 Data;\r | |
821 | EFI_TPL OldTpl;\r | |
822 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
823 | \r | |
c220787b | 824 | ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *) Context;\r |
05fbd06d | 825 | \r |
826 | //\r | |
827 | // Enter critical section\r | |
828 | //\r | |
829 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
830 | \r | |
831 | if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {\r | |
832 | //\r | |
833 | // Leave critical section and return\r | |
834 | //\r | |
835 | gBS->RestoreTPL (OldTpl);\r | |
836 | return ;\r | |
837 | }\r | |
b6763e03 | 838 | \r |
05fbd06d | 839 | //\r |
840 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r | |
c220787b RN |
841 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r |
842 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r | |
05fbd06d | 843 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r |
844 | // Just skip the 'resend' process simply.\r | |
845 | //\r | |
846 | \r | |
c220787b RN |
847 | while ((KeyReadStatusRegister (ConsoleIn) & (KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT|KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA)) ==\r |
848 | KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA\r | |
849 | ) {\r | |
05fbd06d | 850 | //\r |
c220787b | 851 | // Read one byte of the scan code and store it into the memory buffer\r |
05fbd06d | 852 | //\r |
c220787b RN |
853 | Data = KeyReadDataRegister (ConsoleIn);\r |
854 | PushScancodeBufTail (&ConsoleIn->ScancodeQueue, Data);\r | |
05fbd06d | 855 | }\r |
c220787b | 856 | KeyGetchar (ConsoleIn);\r |
05fbd06d | 857 | \r |
05fbd06d | 858 | //\r |
859 | // Leave critical section and return\r | |
860 | //\r | |
861 | gBS->RestoreTPL (OldTpl);\r | |
05fbd06d | 862 | }\r |
863 | \r | |
bcd70414 | 864 | /**\r |
f713c4fe | 865 | Read key value .\r |
bcd70414 | 866 | \r |
867 | @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
868 | @param Data - Pointer to outof buffer for keeping key value\r | |
869 | \r | |
870 | @retval EFI_TIMEOUT Status resigter time out\r | |
871 | @retval EFI_SUCCESS Success to read keyboard\r | |
872 | \r | |
873 | **/\r | |
05fbd06d | 874 | EFI_STATUS\r |
875 | KeyboardRead (\r | |
876 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
877 | OUT UINT8 *Data\r | |
878 | )\r | |
05fbd06d | 879 | \r |
05fbd06d | 880 | {\r |
881 | UINT32 TimeOut;\r | |
882 | UINT32 RegFilled;\r | |
883 | \r | |
884 | TimeOut = 0;\r | |
885 | RegFilled = 0;\r | |
886 | \r | |
887 | //\r | |
888 | // wait till output buffer full then perform the read\r | |
889 | //\r | |
890 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
b6763e03 | 891 | if (KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) {\r |
05fbd06d | 892 | RegFilled = 1;\r |
893 | *Data = KeyReadDataRegister (ConsoleIn);\r | |
894 | break;\r | |
895 | }\r | |
896 | \r | |
b6763e03 | 897 | MicroSecondDelay (30);\r |
05fbd06d | 898 | }\r |
899 | \r | |
f713c4fe | 900 | if (RegFilled == 0) {\r |
05fbd06d | 901 | return EFI_TIMEOUT;\r |
902 | }\r | |
903 | \r | |
904 | return EFI_SUCCESS;\r | |
905 | }\r | |
906 | \r | |
bcd70414 | 907 | /**\r |
908 | write key to keyboard\r | |
909 | \r | |
910 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
911 | @param Data value wanted to be written\r | |
912 | \r | |
b6763e03 | 913 | @retval EFI_TIMEOUT The input buffer register is full for putting new value util timeout\r |
914 | @retval EFI_SUCCESS The new value is sucess put into input buffer register.\r | |
bcd70414 | 915 | \r |
916 | **/\r | |
05fbd06d | 917 | EFI_STATUS\r |
918 | KeyboardWrite (\r | |
919 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
920 | IN UINT8 Data\r | |
921 | )\r | |
05fbd06d | 922 | {\r |
923 | UINT32 TimeOut;\r | |
924 | UINT32 RegEmptied;\r | |
925 | \r | |
926 | TimeOut = 0;\r | |
927 | RegEmptied = 0;\r | |
928 | \r | |
929 | //\r | |
930 | // wait for input buffer empty\r | |
931 | //\r | |
932 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
f713c4fe | 933 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
05fbd06d | 934 | RegEmptied = 1;\r |
935 | break;\r | |
936 | }\r | |
937 | \r | |
b6763e03 | 938 | MicroSecondDelay (30);\r |
05fbd06d | 939 | }\r |
940 | \r | |
f713c4fe | 941 | if (RegEmptied == 0) {\r |
05fbd06d | 942 | return EFI_TIMEOUT;\r |
943 | }\r | |
944 | //\r | |
945 | // Write it\r | |
946 | //\r | |
947 | KeyWriteDataRegister (ConsoleIn, Data);\r | |
948 | \r | |
949 | return EFI_SUCCESS;\r | |
950 | }\r | |
951 | \r | |
bcd70414 | 952 | /**\r |
f713c4fe | 953 | Issue keyboard command.\r |
bcd70414 | 954 | \r |
955 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
956 | @param Data The buff holding the command \r | |
957 | \r | |
958 | @retval EFI_TIMEOUT Keyboard is not ready to issuing \r | |
959 | @retval EFI_SUCCESS Success to issue keyboard command\r | |
960 | \r | |
961 | **/\r | |
05fbd06d | 962 | EFI_STATUS\r |
963 | KeyboardCommand (\r | |
964 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
965 | IN UINT8 Data\r | |
966 | )\r | |
05fbd06d | 967 | {\r |
968 | UINT32 TimeOut;\r | |
969 | UINT32 RegEmptied;\r | |
970 | \r | |
971 | TimeOut = 0;\r | |
972 | RegEmptied = 0;\r | |
973 | \r | |
974 | //\r | |
975 | // Wait For Input Buffer Empty\r | |
976 | //\r | |
977 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
f713c4fe | 978 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
05fbd06d | 979 | RegEmptied = 1;\r |
980 | break;\r | |
981 | }\r | |
982 | \r | |
b6763e03 | 983 | MicroSecondDelay (30);\r |
05fbd06d | 984 | }\r |
985 | \r | |
f713c4fe | 986 | if (RegEmptied == 0) {\r |
05fbd06d | 987 | return EFI_TIMEOUT;\r |
988 | }\r | |
989 | //\r | |
990 | // issue the command\r | |
991 | //\r | |
992 | KeyWriteCommandRegister (ConsoleIn, Data);\r | |
993 | \r | |
994 | //\r | |
995 | // Wait For Input Buffer Empty again\r | |
996 | //\r | |
997 | RegEmptied = 0;\r | |
998 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
f713c4fe | 999 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
05fbd06d | 1000 | RegEmptied = 1;\r |
1001 | break;\r | |
1002 | }\r | |
1003 | \r | |
b6763e03 | 1004 | MicroSecondDelay (30);\r |
05fbd06d | 1005 | }\r |
1006 | \r | |
f713c4fe | 1007 | if (RegEmptied == 0) {\r |
05fbd06d | 1008 | return EFI_TIMEOUT;\r |
1009 | }\r | |
1010 | \r | |
1011 | return EFI_SUCCESS;\r | |
1012 | }\r | |
1013 | \r | |
bcd70414 | 1014 | /**\r |
1015 | wait for a specific value to be presented on\r | |
1016 | 8042 Data register by keyboard and then read it,\r | |
1017 | used in keyboard commands ack\r | |
1018 | \r | |
1019 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
1020 | @param Value the value wanted to be waited.\r | |
1021 | \r | |
1022 | @retval EFI_TIMEOUT Fail to get specific value in given time\r | |
1023 | @retval EFI_SUCCESS Success to get specific value in given time.\r | |
1024 | \r | |
1025 | **/\r | |
05fbd06d | 1026 | EFI_STATUS\r |
1027 | KeyboardWaitForValue (\r | |
1028 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1029 | IN UINT8 Value\r | |
1030 | )\r | |
05fbd06d | 1031 | {\r |
1032 | UINT8 Data;\r | |
1033 | UINT32 TimeOut;\r | |
1034 | UINT32 SumTimeOut;\r | |
1035 | UINT32 GotIt;\r | |
1036 | \r | |
1037 | GotIt = 0;\r | |
1038 | TimeOut = 0;\r | |
1039 | SumTimeOut = 0;\r | |
1040 | \r | |
1041 | //\r | |
1042 | // Make sure the initial value of 'Data' is different from 'Value'\r | |
1043 | //\r | |
1044 | Data = 0;\r | |
1045 | if (Data == Value) {\r | |
1046 | Data = 1;\r | |
1047 | }\r | |
1048 | //\r | |
1049 | // Read from 8042 (multiple times if needed)\r | |
1050 | // until the expected value appears\r | |
1051 | // use SumTimeOut to control the iteration\r | |
1052 | //\r | |
1053 | while (1) {\r | |
1054 | //\r | |
1055 | // Perform a read\r | |
1056 | //\r | |
1057 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1058 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r | |
1059 | Data = KeyReadDataRegister (ConsoleIn);\r | |
1060 | break;\r | |
1061 | }\r | |
1062 | \r | |
b6763e03 | 1063 | MicroSecondDelay (30);\r |
05fbd06d | 1064 | }\r |
1065 | \r | |
1066 | SumTimeOut += TimeOut;\r | |
1067 | \r | |
1068 | if (Data == Value) {\r | |
1069 | GotIt = 1;\r | |
1070 | break;\r | |
1071 | }\r | |
1072 | \r | |
1073 | if (SumTimeOut >= mWaitForValueTimeOut) {\r | |
1074 | break;\r | |
1075 | }\r | |
1076 | }\r | |
1077 | //\r | |
1078 | // Check results\r | |
1079 | //\r | |
b6763e03 | 1080 | if (GotIt == 1) {\r |
05fbd06d | 1081 | return EFI_SUCCESS;\r |
1082 | } else {\r | |
1083 | return EFI_TIMEOUT;\r | |
1084 | }\r | |
1085 | \r | |
1086 | }\r | |
1087 | \r | |
bcd70414 | 1088 | /**\r |
05fbd06d | 1089 | Show keyboard status lights according to\r |
1090 | indicators in ConsoleIn.\r | |
1091 | \r | |
bcd70414 | 1092 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
1093 | \r | |
b6763e03 | 1094 | @return status of updating keyboard register\r |
05fbd06d | 1095 | \r |
bcd70414 | 1096 | **/\r |
1097 | EFI_STATUS\r | |
1098 | UpdateStatusLights (\r | |
1099 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1100 | )\r | |
05fbd06d | 1101 | {\r |
1102 | EFI_STATUS Status;\r | |
1103 | UINT8 Command;\r | |
1104 | \r | |
1105 | //\r | |
1106 | // Send keyboard command\r | |
1107 | //\r | |
1108 | Status = KeyboardWrite (ConsoleIn, 0xed);\r | |
1109 | if (EFI_ERROR (Status)) {\r | |
1110 | return Status;\r | |
1111 | }\r | |
1112 | \r | |
1113 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1114 | \r | |
1115 | //\r | |
1116 | // Light configuration\r | |
1117 | //\r | |
1118 | Command = 0;\r | |
1119 | if (ConsoleIn->CapsLock) {\r | |
1120 | Command |= 4;\r | |
1121 | }\r | |
1122 | \r | |
1123 | if (ConsoleIn->NumLock) {\r | |
1124 | Command |= 2;\r | |
1125 | }\r | |
1126 | \r | |
1127 | if (ConsoleIn->ScrollLock) {\r | |
1128 | Command |= 1;\r | |
1129 | }\r | |
1130 | \r | |
1131 | Status = KeyboardWrite (ConsoleIn, Command);\r | |
1132 | \r | |
1133 | if (EFI_ERROR (Status)) {\r | |
1134 | return Status;\r | |
1135 | }\r | |
1136 | \r | |
1137 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1138 | return Status;\r | |
1139 | }\r | |
1140 | \r | |
bcd70414 | 1141 | /**\r |
c220787b | 1142 | Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.\r |
05fbd06d | 1143 | \r |
c220787b | 1144 | The function is always called in TPL_NOTIFY.\r |
05fbd06d | 1145 | \r |
c220787b | 1146 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
05fbd06d | 1147 | \r |
bcd70414 | 1148 | **/\r |
c220787b | 1149 | VOID\r |
bcd70414 | 1150 | KeyGetchar (\r |
1151 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1152 | )\r | |
05fbd06d | 1153 | {\r |
c220787b RN |
1154 | EFI_STATUS Status;\r |
1155 | UINT8 ScanCode;\r | |
1156 | BOOLEAN Extended;\r | |
1157 | UINTN Index;\r | |
1158 | EFI_KEY_DATA KeyData;\r | |
1159 | LIST_ENTRY *Link;\r | |
1160 | KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
05fbd06d | 1161 | //\r |
1162 | // 4 bytes most\r | |
1163 | //\r | |
c220787b RN |
1164 | UINT8 ScancodeArr[4];\r |
1165 | UINT32 ScancodeArrPos;\r | |
05fbd06d | 1166 | //\r |
1167 | // point to the current position in ScancodeArr\r | |
1168 | //\r | |
1169 | \r | |
05fbd06d | 1170 | Extended = FALSE;\r |
1171 | ScancodeArrPos = 0;\r | |
c220787b | 1172 | \r |
05fbd06d | 1173 | //\r |
1174 | // Check if there are enough bytes of scancode representing a single key\r | |
1175 | // available in the buffer\r | |
1176 | //\r | |
b6763e03 | 1177 | while (TRUE) {\r |
05fbd06d | 1178 | \r |
c220787b RN |
1179 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, 1, ScancodeArr);\r |
1180 | ScancodeArrPos = 0;\r | |
05fbd06d | 1181 | if (EFI_ERROR (Status)) {\r |
c220787b | 1182 | return ;\r |
05fbd06d | 1183 | }\r |
1184 | \r | |
1185 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED) {\r | |
1186 | Extended = TRUE;\r | |
c220787b | 1187 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, 2, ScancodeArr);\r |
05fbd06d | 1188 | ScancodeArrPos = 1;\r |
1189 | if (EFI_ERROR (Status)) {\r | |
c220787b | 1190 | return ;\r |
05fbd06d | 1191 | }\r |
1192 | }\r | |
1193 | //\r | |
1194 | // Checks for key scancode for PAUSE:E1-1D/45-E1/9D-C5\r | |
1195 | // if present, ignore them\r | |
1196 | //\r | |
1197 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {\r | |
1198 | \r | |
c220787b | 1199 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, 2, ScancodeArr);\r |
05fbd06d | 1200 | ScancodeArrPos = 1;\r |
1201 | \r | |
1202 | if (EFI_ERROR (Status)) {\r | |
c220787b | 1203 | return ;\r |
05fbd06d | 1204 | }\r |
1205 | \r | |
c220787b | 1206 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, 3, ScancodeArr);\r |
05fbd06d | 1207 | ScancodeArrPos = 2;\r |
1208 | \r | |
1209 | if (EFI_ERROR (Status)) {\r | |
c220787b | 1210 | return ;\r |
05fbd06d | 1211 | }\r |
1212 | \r | |
c220787b RN |
1213 | PopScancodeBufHead (&ConsoleIn->ScancodeQueue, 3, ScancodeArr);\r |
1214 | return ;\r | |
05fbd06d | 1215 | }\r |
1216 | //\r | |
1217 | // if we reach this position, scancodes for a key is in buffer now,pop them\r | |
1218 | //\r | |
c220787b | 1219 | Status = PopScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r |
05fbd06d | 1220 | if (EFI_ERROR (Status)) {\r |
c220787b | 1221 | return ;\r |
05fbd06d | 1222 | }\r |
1223 | //\r | |
1224 | // store the last available byte, this byte of scancode will be checked\r | |
1225 | //\r | |
1226 | ScanCode = ScancodeArr[ScancodeArrPos];\r | |
1227 | \r | |
1228 | //\r | |
1229 | // Check for special keys and update the driver state.\r | |
1230 | //\r | |
1231 | switch (ScanCode) {\r | |
1232 | \r | |
1233 | case SCANCODE_CTRL_MAKE:\r | |
1234 | ConsoleIn->Ctrl = TRUE;\r | |
1235 | break;\r | |
1236 | \r | |
1237 | case SCANCODE_CTRL_BREAK:\r | |
1238 | ConsoleIn->Ctrl = FALSE;\r | |
1239 | break;\r | |
1240 | \r | |
1241 | case SCANCODE_ALT_MAKE:\r | |
1242 | ConsoleIn->Alt = TRUE;\r | |
1243 | break;\r | |
1244 | \r | |
1245 | case SCANCODE_ALT_BREAK:\r | |
1246 | ConsoleIn->Alt = FALSE;\r | |
1247 | break;\r | |
1248 | \r | |
1249 | case SCANCODE_LEFT_SHIFT_MAKE:\r | |
f3d1e940 | 1250 | if (!Extended) {\r |
1251 | ConsoleIn->Shift = TRUE;\r | |
1252 | ConsoleIn->LeftShift = TRUE;\r | |
1253 | } \r | |
1254 | break;\r | |
05fbd06d | 1255 | case SCANCODE_RIGHT_SHIFT_MAKE:\r |
1256 | if (!Extended) {\r | |
1257 | ConsoleIn->Shift = TRUE;\r | |
f3d1e940 | 1258 | ConsoleIn->RightShift = TRUE;\r |
05fbd06d | 1259 | }\r |
1260 | break;\r | |
1261 | \r | |
1262 | case SCANCODE_LEFT_SHIFT_BREAK:\r | |
f3d1e940 | 1263 | if (!Extended) {\r |
1264 | ConsoleIn->Shift = FALSE;\r | |
1265 | ConsoleIn->LeftShift = FALSE;\r | |
1266 | } else {\r | |
1267 | ConsoleIn->SysReq = FALSE;\r | |
1268 | } \r | |
1269 | break;\r | |
05fbd06d | 1270 | case SCANCODE_RIGHT_SHIFT_BREAK:\r |
1271 | if (!Extended) {\r | |
1272 | ConsoleIn->Shift = FALSE;\r | |
f3d1e940 | 1273 | ConsoleIn->RightShift = FALSE;\r |
05fbd06d | 1274 | }\r |
1275 | break;\r | |
1276 | \r | |
f3d1e940 | 1277 | case SCANCODE_LEFT_LOGO_MAKE:\r |
1278 | ConsoleIn->LeftLogo = TRUE;\r | |
1279 | break; \r | |
1280 | case SCANCODE_LEFT_LOGO_BREAK:\r | |
1281 | ConsoleIn->LeftLogo = FALSE;\r | |
1282 | break; \r | |
1283 | case SCANCODE_RIGHT_LOGO_MAKE:\r | |
1284 | ConsoleIn->RightLogo = TRUE;\r | |
1285 | break;\r | |
1286 | case SCANCODE_RIGHT_LOGO_BREAK:\r | |
1287 | ConsoleIn->RightLogo = FALSE;\r | |
1288 | break; \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 | case SCANCODE_SYS_REQ_MAKE:\r | |
1296 | if (Extended) {\r | |
1297 | ConsoleIn->SysReq = TRUE;\r | |
1298 | }\r | |
05fbd06d | 1299 | case SCANCODE_CAPS_LOCK_MAKE:\r |
1300 | ConsoleIn->CapsLock = (BOOLEAN)!ConsoleIn->CapsLock;\r | |
1301 | UpdateStatusLights (ConsoleIn);\r | |
1302 | break;\r | |
1303 | \r | |
1304 | case SCANCODE_NUM_LOCK_MAKE:\r | |
1305 | ConsoleIn->NumLock = (BOOLEAN)!ConsoleIn->NumLock;\r | |
1306 | UpdateStatusLights (ConsoleIn);\r | |
1307 | break;\r | |
1308 | \r | |
1309 | case SCANCODE_SCROLL_LOCK_MAKE:\r | |
1310 | ConsoleIn->ScrollLock = (BOOLEAN)!ConsoleIn->ScrollLock;\r | |
1311 | UpdateStatusLights (ConsoleIn);\r | |
1312 | break;\r | |
1313 | }\r | |
1314 | //\r | |
1315 | // If this is a BREAK Key or above the valid range, ignore it\r | |
1316 | //\r | |
1317 | if (ScanCode >= SCANCODE_MAX_MAKE) {\r | |
1318 | continue;\r | |
1319 | } else {\r | |
1320 | break;\r | |
1321 | }\r | |
1322 | }\r | |
c220787b | 1323 | \r |
05fbd06d | 1324 | //\r |
c220787b | 1325 | // Handle Ctrl+Alt+Del hotkey\r |
05fbd06d | 1326 | //\r |
c220787b RN |
1327 | if (ConsoleIn->Alt && ConsoleIn->Ctrl && ScanCode == SCANCODE_DELETE_MAKE) {\r |
1328 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
05fbd06d | 1329 | }\r |
c220787b RN |
1330 | \r |
1331 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
1332 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
1333 | KeyData.KeyState.KeyShiftState = EFI_SHIFT_STATE_VALID;\r | |
1334 | KeyData.KeyState.KeyToggleState = EFI_TOGGLE_STATE_VALID;\r | |
1335 | \r | |
05fbd06d | 1336 | //\r |
c220787b | 1337 | // Treat Numeric Key Pad "/" specially\r |
05fbd06d | 1338 | //\r |
c220787b RN |
1339 | if (Extended && ScanCode == 0x35) {\r |
1340 | KeyData.Key.UnicodeChar = L'/';\r | |
1341 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
1342 | } else {\r | |
1343 | //\r | |
1344 | // Convert Keyboard ScanCode into an EFI Key\r | |
1345 | //\r | |
1346 | for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index += 1) {\r | |
1347 | if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {\r | |
1348 | KeyData.Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;\r | |
1349 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r | |
1350 | \r | |
1351 | if (ConsoleIn->Shift && \r | |
1352 | (ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar != ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar)) {\r | |
1353 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r | |
1354 | //\r | |
1355 | // Need not return associated shift state if a class of printable characters that\r | |
1356 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r | |
1357 | //\r | |
f3d1e940 | 1358 | ConsoleIn->LeftShift = FALSE;\r |
1359 | ConsoleIn->RightShift = FALSE;\r | |
1360 | }\r | |
c220787b RN |
1361 | //\r |
1362 | // alphabetic key is affected by CapsLock State\r | |
1363 | //\r | |
1364 | if (ConsoleIn->CapsLock) {\r | |
1365 | if (KeyData.Key.UnicodeChar >= L'a' && KeyData.Key.UnicodeChar <= L'z') {\r | |
1366 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'a' + L'A');\r | |
1367 | } else if (KeyData.Key.UnicodeChar >= L'A' && KeyData.Key.UnicodeChar <= L'Z') {\r | |
1368 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'A' + L'a');\r | |
1369 | }\r | |
1f771698 | 1370 | }\r |
c220787b | 1371 | break;\r |
1f771698 | 1372 | }\r |
05fbd06d | 1373 | }\r |
1374 | }\r | |
1375 | \r | |
1376 | //\r | |
1377 | // distinguish numeric key pad keys' 'up symbol' and 'down symbol'\r | |
1378 | //\r | |
1379 | if (ScanCode >= 0x47 && ScanCode <= 0x53) {\r | |
05fbd06d | 1380 | if (ConsoleIn->NumLock && !ConsoleIn->Shift && !Extended) {\r |
c220787b | 1381 | KeyData.Key.ScanCode = SCAN_NULL;\r |
05fbd06d | 1382 | } else if (ScanCode != 0x4a && ScanCode != 0x4e) {\r |
c220787b | 1383 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
05fbd06d | 1384 | }\r |
1385 | }\r | |
1386 | //\r | |
1387 | // If the key can not be converted then just return.\r | |
1388 | //\r | |
c220787b RN |
1389 | if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {\r |
1390 | return ;\r | |
05fbd06d | 1391 | }\r |
1392 | \r | |
f3d1e940 | 1393 | //\r |
1394 | // Save the Shift/Toggle state\r | |
1395 | //\r | |
1396 | if (ConsoleIn->Ctrl) {\r | |
c220787b | 1397 | KeyData.KeyState.KeyShiftState |= (Extended) ? EFI_RIGHT_CONTROL_PRESSED : EFI_LEFT_CONTROL_PRESSED;\r |
f3d1e940 | 1398 | } \r |
1399 | if (ConsoleIn->Alt) { \r | |
c220787b | 1400 | KeyData.KeyState.KeyShiftState |= (Extended) ? EFI_RIGHT_ALT_PRESSED : EFI_LEFT_ALT_PRESSED;\r |
f3d1e940 | 1401 | } \r |
1402 | if (ConsoleIn->LeftShift) { \r | |
c220787b | 1403 | KeyData.KeyState.KeyShiftState |= EFI_LEFT_SHIFT_PRESSED;\r |
f3d1e940 | 1404 | } \r |
1405 | if (ConsoleIn->RightShift) { \r | |
c220787b | 1406 | KeyData.KeyState.KeyShiftState |= EFI_RIGHT_SHIFT_PRESSED;\r |
f3d1e940 | 1407 | } \r |
1408 | if (ConsoleIn->LeftLogo) { \r | |
c220787b | 1409 | KeyData.KeyState.KeyShiftState |= EFI_LEFT_LOGO_PRESSED;\r |
f3d1e940 | 1410 | } \r |
1411 | if (ConsoleIn->RightLogo) { \r | |
c220787b | 1412 | KeyData.KeyState.KeyShiftState |= EFI_RIGHT_LOGO_PRESSED;\r |
f3d1e940 | 1413 | } \r |
1414 | if (ConsoleIn->Menu) { \r | |
c220787b | 1415 | KeyData.KeyState.KeyShiftState |= EFI_MENU_KEY_PRESSED;\r |
f3d1e940 | 1416 | } \r |
1417 | if (ConsoleIn->SysReq) { \r | |
c220787b | 1418 | KeyData.KeyState.KeyShiftState |= EFI_SYS_REQ_PRESSED;\r |
f3d1e940 | 1419 | } \r |
1420 | if (ConsoleIn->CapsLock) {\r | |
c220787b | 1421 | KeyData.KeyState.KeyToggleState |= EFI_CAPS_LOCK_ACTIVE;\r |
f3d1e940 | 1422 | }\r |
1423 | if (ConsoleIn->NumLock) {\r | |
c220787b | 1424 | KeyData.KeyState.KeyToggleState |= EFI_NUM_LOCK_ACTIVE;\r |
f3d1e940 | 1425 | }\r |
1426 | if (ConsoleIn->ScrollLock) {\r | |
c220787b | 1427 | KeyData.KeyState.KeyToggleState |= EFI_SCROLL_LOCK_ACTIVE;\r |
f3d1e940 | 1428 | }\r |
1429 | \r | |
c220787b RN |
1430 | //\r |
1431 | // Invoke notification functions if exist\r | |
1432 | //\r | |
1433 | for (Link = GetFirstNode (&ConsoleIn->NotifyList); !IsNull (&ConsoleIn->NotifyList, Link); Link = GetNextNode (&ConsoleIn->NotifyList, Link)) {\r | |
1434 | CurrentNotify = CR (\r | |
1435 | Link, \r | |
1436 | KEYBOARD_CONSOLE_IN_EX_NOTIFY, \r | |
1437 | NotifyEntry, \r | |
1438 | KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
1439 | );\r | |
1440 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) { \r | |
1441 | CurrentNotify->KeyNotificationFn (&KeyData);\r | |
1442 | }\r | |
1443 | }\r | |
1444 | \r | |
1445 | //\r | |
1446 | // Translate the CTRL-Alpha characters to their corresponding control value (ctrl-a = 0x0001 through ctrl-Z = 0x001A)\r | |
1447 | //\r | |
1448 | if (ConsoleIn->Ctrl) {\r | |
1449 | if (KeyData.Key.UnicodeChar >= L'a' && KeyData.Key.UnicodeChar <= L'z') {\r | |
1450 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'a' + 1);\r | |
1451 | } else if (KeyData.Key.UnicodeChar >= L'A' && KeyData.Key.UnicodeChar <= L'Z') {\r | |
1452 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'A' + 1);\r | |
1453 | }\r | |
1454 | }\r | |
1455 | \r | |
1456 | PushEfikeyBufTail (&ConsoleIn->EfiKeyQueue, &KeyData);\r | |
05fbd06d | 1457 | }\r |
1458 | \r | |
bcd70414 | 1459 | /**\r |
f713c4fe | 1460 | Perform 8042 controller and keyboard Initialization. \r |
05fbd06d | 1461 | If ExtendedVerification is TRUE, do additional test for\r |
1462 | the keyboard interface\r | |
1463 | \r | |
bcd70414 | 1464 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
1465 | @param ExtendedVerification - indicates a thorough initialization\r | |
05fbd06d | 1466 | \r |
bcd70414 | 1467 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r |
1468 | @retval EFI_SUCCESS Success to init keyboard\r | |
1469 | **/\r | |
1470 | EFI_STATUS\r | |
1471 | InitKeyboard (\r | |
1472 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1473 | IN BOOLEAN ExtendedVerification\r | |
1474 | )\r | |
05fbd06d | 1475 | {\r |
1476 | EFI_STATUS Status;\r | |
1477 | EFI_STATUS Status1;\r | |
1478 | UINT8 CommandByte;\r | |
05fbd06d | 1479 | EFI_PS2_POLICY_PROTOCOL *Ps2Policy;\r |
05f89b17 | 1480 | UINT32 TryTime;\r |
05fbd06d | 1481 | \r |
05f89b17 | 1482 | Status = EFI_SUCCESS;\r |
4fd730b3 | 1483 | mEnableMouseInterface = TRUE;\r |
05f89b17 | 1484 | TryTime = 0;\r |
05fbd06d | 1485 | \r |
1486 | //\r | |
1487 | // Get Ps2 policy to set this\r | |
1488 | //\r | |
05f89b17 LG |
1489 | gBS->LocateProtocol (\r |
1490 | &gEfiPs2PolicyProtocolGuid,\r | |
1491 | NULL,\r | |
1492 | (VOID **) &Ps2Policy\r | |
1493 | );\r | |
05fbd06d | 1494 | \r |
1495 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1496 | EFI_PROGRESS_CODE,\r | |
1497 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,\r | |
1498 | ConsoleIn->DevicePath\r | |
1499 | );\r | |
1500 | \r | |
1501 | //\r | |
1502 | // Perform a read to cleanup the Status Register's\r | |
05f89b17 | 1503 | // output buffer full bits within MAX TRY times\r |
05fbd06d | 1504 | //\r |
05f89b17 | 1505 | while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {\r |
05fbd06d | 1506 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r |
05f89b17 LG |
1507 | TryTime ++;\r |
1508 | }\r | |
1509 | //\r | |
1510 | // Exceed the max try times. The device may be error.\r | |
1511 | //\r | |
1512 | if (TryTime == KEYBOARD_MAX_TRY) {\r | |
1513 | Status = EFI_DEVICE_ERROR;\r | |
1514 | goto Done;\r | |
05fbd06d | 1515 | }\r |
1516 | //\r | |
1517 | // We should disable mouse interface during the initialization process\r | |
1518 | // since mouse device output could block keyboard device output in the\r | |
1519 | // 60H port of 8042 controller.\r | |
1520 | //\r | |
1521 | // So if we are not initializing 8042 controller for the\r | |
1522 | // first time, we have to remember the previous mouse interface\r | |
1523 | // enabling state\r | |
1524 | //\r | |
1525 | // Test the system flag in to determine whether this is the first\r | |
1526 | // time initialization\r | |
1527 | //\r | |
f713c4fe | 1528 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG) != 0) {\r |
05fbd06d | 1529 | //\r |
1530 | // 8042 controller is already setup (by myself or by mouse driver):\r | |
1531 | // See whether mouse interface is already enabled\r | |
1532 | // which determines whether we should enable it later\r | |
1533 | //\r | |
1534 | //\r | |
1535 | // Read the command byte of 8042 controller\r | |
1536 | //\r | |
b6763e03 | 1537 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_READ);\r |
05fbd06d | 1538 | if (EFI_ERROR (Status)) {\r |
1539 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1540 | goto Done;\r | |
1541 | }\r | |
1542 | \r | |
1543 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r | |
1544 | if (EFI_ERROR (Status)) {\r | |
1545 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1546 | goto Done;\r | |
1547 | }\r | |
1548 | //\r | |
1549 | // Test the mouse enabling bit\r | |
1550 | //\r | |
f713c4fe | 1551 | if ((CommandByte & 0x20) != 0) {\r |
4fd730b3 | 1552 | mEnableMouseInterface = FALSE;\r |
05fbd06d | 1553 | } else {\r |
4fd730b3 | 1554 | mEnableMouseInterface = TRUE;\r |
05fbd06d | 1555 | }\r |
1556 | \r | |
1557 | } else {\r | |
1558 | //\r | |
1559 | // 8042 controller is not setup yet:\r | |
1560 | // 8042 controller selftest;\r | |
1561 | // Don't enable mouse interface later.\r | |
1562 | //\r | |
1563 | //\r | |
1564 | // Disable keyboard and mouse interfaces\r | |
1565 | //\r | |
b6763e03 | 1566 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r |
05fbd06d | 1567 | if (EFI_ERROR (Status)) {\r |
1568 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1569 | goto Done;\r | |
1570 | }\r | |
1571 | \r | |
b6763e03 | 1572 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE);\r |
05fbd06d | 1573 | if (EFI_ERROR (Status)) {\r |
1574 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1575 | goto Done;\r | |
1576 | }\r | |
1577 | \r | |
1578 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1579 | EFI_PROGRESS_CODE,\r | |
1580 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,\r | |
1581 | ConsoleIn->DevicePath\r | |
1582 | );\r | |
1583 | //\r | |
1584 | // 8042 Controller Self Test\r | |
1585 | //\r | |
b6763e03 | 1586 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST);\r |
05fbd06d | 1587 | if (EFI_ERROR (Status)) {\r |
1588 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1589 | goto Done;\r | |
1590 | }\r | |
1591 | \r | |
1592 | Status = KeyboardWaitForValue (ConsoleIn, 0x55);\r | |
1593 | if (EFI_ERROR (Status)) {\r | |
1594 | KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");\r | |
1595 | goto Done;\r | |
1596 | }\r | |
1597 | //\r | |
1598 | // Don't enable mouse interface later\r | |
1599 | //\r | |
4fd730b3 | 1600 | mEnableMouseInterface = FALSE;\r |
05fbd06d | 1601 | \r |
1602 | }\r | |
1603 | \r | |
1604 | if (Ps2Policy != NULL) {\r | |
1605 | Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);\r | |
1606 | }\r | |
1607 | //\r | |
1608 | // Write 8042 Command Byte, set System Flag\r | |
1609 | // While at the same time:\r | |
1610 | // 1. disable mouse interface,\r | |
1611 | // 2. enable kbd interface,\r | |
1612 | // 3. enable PC/XT kbd translation mode\r | |
1613 | // 4. enable mouse and kbd interrupts\r | |
1614 | //\r | |
1615 | // ( Command Byte bits:\r | |
1616 | // 7: Reserved\r | |
1617 | // 6: PC/XT translation mode\r | |
1618 | // 5: Disable Auxiliary device interface\r | |
1619 | // 4: Disable keyboard interface\r | |
1620 | // 3: Reserved\r | |
1621 | // 2: System Flag\r | |
1622 | // 1: Enable Auxiliary device interrupt\r | |
1623 | // 0: Enable Keyboard interrupt )\r | |
1624 | //\r | |
b6763e03 | 1625 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_WRITE);\r |
05fbd06d | 1626 | if (EFI_ERROR (Status)) {\r |
1627 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1628 | goto Done;\r | |
1629 | }\r | |
1630 | \r | |
1631 | Status = KeyboardWrite (ConsoleIn, 0x67);\r | |
1632 | if (EFI_ERROR (Status)) {\r | |
1633 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1634 | goto Done;\r | |
1635 | }\r | |
1636 | \r | |
1637 | //\r | |
1638 | // Clear Memory Scancode Buffer\r | |
1639 | //\r | |
c220787b RN |
1640 | ConsoleIn->ScancodeQueue.Head = 0;\r |
1641 | ConsoleIn->ScancodeQueue.Tail = 0;\r | |
1642 | ConsoleIn->EfiKeyQueue.Head = 0;\r | |
1643 | ConsoleIn->EfiKeyQueue.Tail = 0;\r | |
05fbd06d | 1644 | \r |
1645 | //\r | |
1646 | // Reset the status indicators\r | |
1647 | //\r | |
1648 | ConsoleIn->Ctrl = FALSE;\r | |
1649 | ConsoleIn->Alt = FALSE;\r | |
1650 | ConsoleIn->Shift = FALSE;\r | |
1651 | ConsoleIn->CapsLock = FALSE;\r | |
1652 | ConsoleIn->NumLock = FALSE;\r | |
1653 | ConsoleIn->ScrollLock = FALSE;\r | |
f3d1e940 | 1654 | ConsoleIn->LeftShift = FALSE;\r |
1655 | ConsoleIn->RightShift = FALSE;\r | |
1656 | ConsoleIn->LeftLogo = FALSE;\r | |
1657 | ConsoleIn->RightLogo = FALSE;\r | |
1658 | ConsoleIn->Menu = FALSE;\r | |
1659 | ConsoleIn->SysReq = FALSE; \r | |
05fbd06d | 1660 | \r |
1661 | //\r | |
1662 | // For reseting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,\r | |
1663 | // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected\r | |
1664 | // to system. So we only do the real reseting for keyboard when user asks and there is a real KB connected t system,\r | |
1665 | // and normally during booting an OS, it's skipped.\r | |
1666 | //\r | |
1667 | if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {\r | |
1668 | //\r | |
1669 | // Additional verifications for keyboard interface\r | |
1670 | //\r | |
1671 | //\r | |
1672 | // Keyboard Interface Test\r | |
1673 | //\r | |
b6763e03 | 1674 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST);\r |
05fbd06d | 1675 | if (EFI_ERROR (Status)) {\r |
1676 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1677 | goto Done;\r | |
1678 | }\r | |
1679 | \r | |
1680 | Status = KeyboardWaitForValue (ConsoleIn, 0x00);\r | |
1681 | if (EFI_ERROR (Status)) {\r | |
1682 | KeyboardError (\r | |
1683 | ConsoleIn,\r | |
1684 | L"Some specific value not aquired from 8042 controller!\n\r"\r | |
1685 | );\r | |
1686 | goto Done;\r | |
1687 | }\r | |
1688 | //\r | |
1689 | // Keyboard reset with a BAT(Basic Assurance Test)\r | |
1690 | //\r | |
b6763e03 | 1691 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_RESET);\r |
05fbd06d | 1692 | if (EFI_ERROR (Status)) {\r |
1693 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1694 | goto Done;\r | |
1695 | }\r | |
1696 | \r | |
b6763e03 | 1697 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1698 | if (EFI_ERROR (Status)) {\r |
1699 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1700 | goto Done;\r | |
1701 | }\r | |
1702 | //\r | |
1703 | // wait for BAT completion code\r | |
1704 | //\r | |
1705 | mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;\r | |
1706 | \r | |
b6763e03 | 1707 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);\r |
05fbd06d | 1708 | if (EFI_ERROR (Status)) {\r |
1709 | KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");\r | |
1710 | goto Done;\r | |
1711 | }\r | |
1712 | \r | |
1713 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
1714 | \r | |
1715 | //\r | |
1716 | // Set Keyboard to use Scan Code Set 2\r | |
1717 | //\r | |
b6763e03 | 1718 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET);\r |
05fbd06d | 1719 | if (EFI_ERROR (Status)) {\r |
1720 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1721 | goto Done;\r | |
1722 | }\r | |
1723 | \r | |
b6763e03 | 1724 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1725 | if (EFI_ERROR (Status)) {\r |
1726 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1727 | goto Done;\r | |
1728 | }\r | |
1729 | \r | |
1730 | Status = KeyboardWrite (ConsoleIn, 0x02);\r | |
1731 | if (EFI_ERROR (Status)) {\r | |
1732 | KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");\r | |
1733 | goto Done;\r | |
1734 | }\r | |
1735 | \r | |
b6763e03 | 1736 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1737 | if (EFI_ERROR (Status)) {\r |
1738 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1739 | goto Done;\r | |
1740 | }\r | |
1741 | \r | |
1742 | //\r | |
1743 | // Clear Keyboard Scancode Buffer\r | |
1744 | //\r | |
b6763e03 | 1745 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA);\r |
05fbd06d | 1746 | if (EFI_ERROR (Status)) {\r |
1747 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1748 | goto Done;\r | |
1749 | }\r | |
1750 | \r | |
b6763e03 | 1751 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1752 | if (EFI_ERROR (Status)) {\r |
1753 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1754 | goto Done;\r | |
1755 | }\r | |
1756 | //\r | |
1757 | if (Ps2Policy != NULL) {\r | |
1758 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {\r | |
1759 | ConsoleIn->CapsLock = TRUE;\r | |
1760 | }\r | |
1761 | \r | |
1762 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {\r | |
1763 | ConsoleIn->NumLock = TRUE;\r | |
1764 | }\r | |
1765 | \r | |
1766 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {\r | |
1767 | ConsoleIn->ScrollLock = TRUE;\r | |
1768 | }\r | |
1769 | }\r | |
1770 | //\r | |
1771 | // Update Keyboard Lights\r | |
1772 | //\r | |
1773 | Status = UpdateStatusLights (ConsoleIn);\r | |
1774 | if (EFI_ERROR (Status)) {\r | |
1775 | KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");\r | |
1776 | goto Done;\r | |
1777 | }\r | |
1778 | }\r | |
1779 | //\r | |
1780 | // At last, we can now enable the mouse interface if appropriate\r | |
1781 | //\r | |
1782 | Done:\r | |
1783 | \r | |
4fd730b3 | 1784 | if (mEnableMouseInterface) {\r |
05fbd06d | 1785 | //\r |
1786 | // Enable mouse interface\r | |
1787 | //\r | |
b6763e03 | 1788 | Status1 = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE);\r |
05fbd06d | 1789 | if (EFI_ERROR (Status1)) {\r |
1790 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1791 | return EFI_DEVICE_ERROR;\r | |
1792 | }\r | |
1793 | }\r | |
1794 | \r | |
1795 | if (!EFI_ERROR (Status)) {\r | |
1796 | return EFI_SUCCESS;\r | |
1797 | } else {\r | |
1798 | return EFI_DEVICE_ERROR;\r | |
1799 | }\r | |
1800 | \r | |
1801 | }\r | |
1802 | \r | |
bcd70414 | 1803 | /**\r |
f713c4fe | 1804 | Disable the keyboard interface of the 8042 controller.\r |
05fbd06d | 1805 | \r |
f713c4fe | 1806 | @param ConsoleIn The device instance\r |
05fbd06d | 1807 | \r |
bcd70414 | 1808 | @return status of issuing disable command\r |
05fbd06d | 1809 | \r |
bcd70414 | 1810 | **/\r |
1811 | EFI_STATUS\r | |
1812 | DisableKeyboard (\r | |
1813 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1814 | )\r | |
05fbd06d | 1815 | {\r |
1816 | EFI_STATUS Status;\r | |
1817 | \r | |
1818 | //\r | |
1819 | // Disable keyboard interface\r | |
1820 | //\r | |
b6763e03 | 1821 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r |
05fbd06d | 1822 | if (EFI_ERROR (Status)) {\r |
1823 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1824 | return EFI_DEVICE_ERROR;\r | |
1825 | }\r | |
1826 | \r | |
1827 | return Status;\r | |
1828 | }\r | |
1829 | \r | |
1830 | /**\r | |
1831 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r | |
1832 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r | |
1833 | should not be in system.\r | |
1834 | \r | |
fdb05fa3 | 1835 | @param[in] ConsoleIn Keyboard Private Data Structure\r |
05fbd06d | 1836 | \r |
f3d1e940 | 1837 | @retval TRUE Keyboard in System.\r |
1838 | @retval FALSE Keyboard not in System.\r | |
05fbd06d | 1839 | **/\r |
1840 | BOOLEAN\r | |
1841 | EFIAPI\r | |
1842 | CheckKeyboardConnect (\r | |
1843 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1844 | )\r | |
1845 | {\r | |
1846 | EFI_STATUS Status;\r | |
1847 | UINTN WaitForValueTimeOutBcakup;\r | |
1848 | \r | |
1849 | Status = EFI_SUCCESS;\r | |
1850 | //\r | |
1851 | // enable keyboard itself and wait for its ack\r | |
1852 | // If can't receive ack, Keyboard should not be connected.\r | |
1853 | //\r | |
1854 | Status = KeyboardWrite (\r | |
1855 | ConsoleIn,\r | |
1856 | KEYBOARD_KBEN\r | |
1857 | );\r | |
1858 | \r | |
1859 | if (EFI_ERROR (Status)) {\r | |
1860 | return FALSE;\r | |
1861 | }\r | |
1862 | //\r | |
1863 | // wait for 1s\r | |
1864 | //\r | |
1865 | WaitForValueTimeOutBcakup = mWaitForValueTimeOut;\r | |
1866 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
1867 | Status = KeyboardWaitForValue (\r | |
1868 | ConsoleIn,\r | |
1869 | KEYBOARD_CMDECHO_ACK\r | |
1870 | );\r | |
1871 | mWaitForValueTimeOut = WaitForValueTimeOutBcakup;\r | |
1872 | \r | |
1873 | if (EFI_ERROR (Status)) {\r | |
1874 | return FALSE;\r | |
1875 | }\r | |
1876 | \r | |
1877 | return TRUE;\r | |
1878 | }\r | |
bcd70414 | 1879 | \r |