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f713c4fe | 1 | /** @file\r |
05fbd06d | 2 | Routines that access 8042 keyboard controller\r |
3 | \r | |
df0dcb5e | 4 | Copyright (c) 2006 - 2007, Intel Corporation\r |
5 | All rights reserved. This program and the accompanying materials\r | |
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 | |
561 | \r | |
562 | //\r | |
563 | // The WaitForValue time out\r | |
564 | //\r | |
819d1488 | 565 | UINTN mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
05fbd06d | 566 | \r |
4fd730b3 | 567 | BOOLEAN mEnableMouseInterface;\r |
568 | \r | |
bcd70414 | 569 | /**\r |
f713c4fe | 570 | Read data register .\r |
bcd70414 | 571 | \r |
572 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
573 | \r | |
574 | @return return the value \r | |
575 | \r | |
576 | **/\r | |
05fbd06d | 577 | UINT8\r |
578 | KeyReadDataRegister (\r | |
579 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
580 | )\r | |
05fbd06d | 581 | \r |
05fbd06d | 582 | {\r |
583 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
584 | UINT8 Data;\r | |
585 | \r | |
586 | //\r | |
587 | // Use IsaIo protocol to perform IO operations\r | |
588 | //\r | |
589 | IsaIo = ConsoleIn->IsaIo;\r | |
590 | \r | |
591 | IsaIo->Io.Read (\r | |
592 | IsaIo,\r | |
593 | EfiIsaIoWidthUint8,\r | |
594 | ConsoleIn->DataRegisterAddress,\r | |
595 | 1,\r | |
596 | &Data\r | |
597 | );\r | |
598 | \r | |
599 | return Data;\r | |
600 | }\r | |
601 | \r | |
bcd70414 | 602 | /**\r |
f713c4fe | 603 | Write data register.\r |
bcd70414 | 604 | \r |
605 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
606 | @param Data value wanted to be written\r | |
607 | \r | |
608 | **/\r | |
05fbd06d | 609 | VOID\r |
610 | KeyWriteDataRegister (\r | |
611 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
612 | IN UINT8 Data\r | |
613 | )\r | |
05fbd06d | 614 | \r |
05fbd06d | 615 | {\r |
616 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
617 | \r | |
618 | //\r | |
619 | // Use IsaIo protocol to perform IO operations\r | |
620 | //\r | |
621 | IsaIo = ConsoleIn->IsaIo;\r | |
622 | \r | |
623 | IsaIo->Io.Write (\r | |
624 | IsaIo,\r | |
625 | EfiIsaIoWidthUint8,\r | |
626 | ConsoleIn->DataRegisterAddress,\r | |
627 | 1,\r | |
628 | &Data\r | |
629 | );\r | |
630 | \r | |
05fbd06d | 631 | }\r |
632 | \r | |
bcd70414 | 633 | /**\r |
f713c4fe | 634 | Read status register.\r |
bcd70414 | 635 | \r |
636 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
637 | \r | |
638 | @return value in status register\r | |
639 | \r | |
640 | **/\r | |
05fbd06d | 641 | UINT8\r |
642 | KeyReadStatusRegister (\r | |
643 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
644 | )\r | |
05fbd06d | 645 | {\r |
646 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
647 | UINT8 Data;\r | |
648 | \r | |
649 | //\r | |
650 | // Use IsaIo protocol to perform IO operations\r | |
651 | //\r | |
652 | IsaIo = ConsoleIn->IsaIo;\r | |
653 | \r | |
654 | IsaIo->Io.Read (\r | |
655 | IsaIo,\r | |
656 | EfiIsaIoWidthUint8,\r | |
657 | ConsoleIn->StatusRegisterAddress,\r | |
658 | 1,\r | |
659 | &Data\r | |
660 | );\r | |
661 | \r | |
662 | return Data;\r | |
663 | \r | |
664 | }\r | |
665 | \r | |
bcd70414 | 666 | /**\r |
f713c4fe | 667 | Write command register .\r |
bcd70414 | 668 | \r |
669 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
670 | @param Data The value wanted to be written\r | |
671 | \r | |
672 | **/\r | |
05fbd06d | 673 | VOID\r |
674 | KeyWriteCommandRegister (\r | |
675 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
676 | IN UINT8 Data\r | |
677 | )\r | |
05fbd06d | 678 | {\r |
679 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
680 | \r | |
681 | //\r | |
682 | // Use IsaIo protocol to perform IO operations\r | |
683 | //\r | |
684 | IsaIo = ConsoleIn->IsaIo;\r | |
685 | \r | |
686 | IsaIo->Io.Write (\r | |
687 | IsaIo,\r | |
688 | EfiIsaIoWidthUint8,\r | |
689 | ConsoleIn->CommandRegisterAddress,\r | |
690 | 1,\r | |
691 | &Data\r | |
692 | );\r | |
693 | \r | |
694 | }\r | |
695 | \r | |
bcd70414 | 696 | /**\r |
f713c4fe | 697 | Display error message.\r |
bcd70414 | 698 | \r |
699 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
700 | @param ErrMsg Unicode string of error message\r | |
701 | \r | |
702 | **/\r | |
05fbd06d | 703 | VOID\r |
704 | KeyboardError (\r | |
705 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
706 | IN CHAR16 *ErrMsg\r | |
707 | )\r | |
05fbd06d | 708 | {\r |
709 | ConsoleIn->KeyboardErr = TRUE;\r | |
05fbd06d | 710 | }\r |
711 | \r | |
bcd70414 | 712 | /**\r |
05fbd06d | 713 | Timer event handler: read a series of scancodes from 8042\r |
714 | and put them into memory scancode buffer.\r | |
715 | it read as much scancodes to either fill\r | |
716 | the memory buffer or empty the keyboard buffer.\r | |
717 | It is registered as running under TPL_NOTIFY\r | |
718 | \r | |
b6763e03 | 719 | @param Event The timer event\r |
720 | @param Context A KEYBOARD_CONSOLE_IN_DEV pointer\r | |
05fbd06d | 721 | \r |
bcd70414 | 722 | **/\r |
723 | VOID\r | |
724 | EFIAPI\r | |
725 | KeyboardTimerHandler (\r | |
726 | IN EFI_EVENT Event,\r | |
727 | IN VOID *Context\r | |
728 | )\r | |
05fbd06d | 729 | \r |
05fbd06d | 730 | {\r |
731 | UINT8 Data;\r | |
732 | EFI_TPL OldTpl;\r | |
733 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
734 | \r | |
735 | ConsoleIn = Context;\r | |
736 | \r | |
737 | //\r | |
738 | // Enter critical section\r | |
739 | //\r | |
740 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
741 | \r | |
742 | if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {\r | |
743 | //\r | |
744 | // Leave critical section and return\r | |
745 | //\r | |
746 | gBS->RestoreTPL (OldTpl);\r | |
747 | return ;\r | |
748 | }\r | |
b6763e03 | 749 | \r |
05fbd06d | 750 | //\r |
751 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r | |
752 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r | |
753 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r | |
754 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r | |
755 | // Just skip the 'resend' process simply.\r | |
756 | //\r | |
757 | \r | |
758 | Data = 0;\r | |
759 | \r | |
760 | //\r | |
761 | // if there is no key present, just return\r | |
762 | //\r | |
b6763e03 | 763 | if ((KeyReadStatusRegister (Context) & (KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT|KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA)) != KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) {\r |
05fbd06d | 764 | //\r |
765 | // Leave critical section and return\r | |
766 | //\r | |
767 | gBS->RestoreTPL (OldTpl);\r | |
768 | \r | |
769 | return ;\r | |
770 | }\r | |
771 | //\r | |
772 | // Read one byte of the scan code and store it into the memory buffer\r | |
773 | //\r | |
774 | if (ConsoleIn->ScancodeBufCount < KEYBOARD_BUFFER_MAX_COUNT) {\r | |
775 | \r | |
776 | Data = KeyReadDataRegister (Context);\r | |
777 | //\r | |
778 | // put the scancode into the memory scancode buffer\r | |
779 | //\r | |
780 | ConsoleIn->ScancodeBufCount++;\r | |
781 | ConsoleIn->ScancodeBufEndPos++;\r | |
782 | if (ConsoleIn->ScancodeBufEndPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
783 | ConsoleIn->ScancodeBufEndPos = 0;\r | |
784 | }\r | |
785 | \r | |
786 | ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufEndPos] = Data;\r | |
787 | \r | |
788 | //\r | |
789 | // Handle Alt+Ctrl+Del Key combination\r | |
790 | //\r | |
791 | switch (Data) {\r | |
792 | case SCANCODE_CTRL_MAKE:\r | |
793 | ConsoleIn->Ctrled = TRUE;\r | |
794 | break;\r | |
795 | \r | |
796 | case SCANCODE_CTRL_BREAK:\r | |
797 | ConsoleIn->Ctrled = FALSE;\r | |
798 | break;\r | |
799 | \r | |
800 | case SCANCODE_ALT_MAKE:\r | |
801 | ConsoleIn->Alted = TRUE;\r | |
802 | break;\r | |
803 | \r | |
804 | case SCANCODE_ALT_BREAK:\r | |
805 | ConsoleIn->Alted = FALSE;\r | |
806 | break;\r | |
807 | }\r | |
808 | //\r | |
809 | // if Alt+Ctrl+Del, Reboot the System\r | |
810 | //\r | |
811 | if (ConsoleIn->Ctrled && ConsoleIn->Alted && Data == 0x53) {\r | |
812 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
813 | }\r | |
814 | }\r | |
815 | //\r | |
816 | // Leave critical section and return\r | |
817 | //\r | |
818 | gBS->RestoreTPL (OldTpl);\r | |
819 | \r | |
820 | return ;\r | |
821 | }\r | |
822 | \r | |
bcd70414 | 823 | /**\r |
824 | Read several bytes from the scancode buffer without removing them.\r | |
825 | This function is called to see if there are enough bytes of scancode\r | |
826 | representing a single key.\r | |
827 | \r | |
f713c4fe | 828 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
829 | @param Count Number of bytes to be read\r | |
830 | @param Buf Store the results\r | |
bcd70414 | 831 | \r |
832 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
833 | @retval EFI_NOT_READY invalid parameter\r | |
834 | **/\r | |
05fbd06d | 835 | EFI_STATUS\r |
836 | GetScancodeBufHead (\r | |
837 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
838 | IN UINT32 Count,\r | |
839 | OUT UINT8 *Buf\r | |
840 | )\r | |
05fbd06d | 841 | {\r |
842 | UINT32 Index;\r | |
843 | UINT32 Pos;\r | |
844 | \r | |
845 | Index = 0;\r | |
846 | Pos = 0;\r | |
847 | \r | |
848 | //\r | |
849 | // check the valid range of parameter 'Count'\r | |
850 | //\r | |
851 | if (Count <= 0 || ConsoleIn->ScancodeBufCount < Count) {\r | |
852 | return EFI_NOT_READY;\r | |
853 | }\r | |
854 | //\r | |
855 | // retrieve the values\r | |
856 | //\r | |
857 | for (Index = 0; Index < Count; Index++) {\r | |
858 | \r | |
859 | if (Index == 0) {\r | |
860 | \r | |
861 | Pos = ConsoleIn->ScancodeBufStartPos;\r | |
862 | } else {\r | |
863 | \r | |
864 | Pos = Pos + 1;\r | |
865 | if (Pos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
866 | Pos = 0;\r | |
867 | }\r | |
868 | }\r | |
869 | \r | |
870 | Buf[Index] = ConsoleIn->ScancodeBuf[Pos];\r | |
871 | }\r | |
872 | \r | |
873 | return EFI_SUCCESS;\r | |
874 | }\r | |
875 | \r | |
bcd70414 | 876 | /**\r |
877 | \r | |
878 | Read & remove several bytes from the scancode buffer.\r | |
879 | This function is usually called after GetScancodeBufHead()\r | |
880 | \r | |
f713c4fe | 881 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
882 | @param Count Number of bytes to be read\r | |
883 | @param Buf Store the results\r | |
bcd70414 | 884 | \r |
885 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
886 | @retval EFI_NOT_READY invalid parameter\r | |
887 | **/\r | |
05fbd06d | 888 | EFI_STATUS\r |
889 | PopScancodeBufHead (\r | |
890 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
891 | IN UINT32 Count,\r | |
892 | OUT UINT8 *Buf\r | |
893 | )\r | |
05fbd06d | 894 | {\r |
895 | UINT32 Index;\r | |
896 | \r | |
897 | Index = 0;\r | |
898 | \r | |
899 | //\r | |
900 | // Check the valid range of parameter 'Count'\r | |
901 | //\r | |
902 | if (Count <= 0 || ConsoleIn->ScancodeBufCount < Count) {\r | |
903 | return EFI_NOT_READY;\r | |
904 | }\r | |
905 | //\r | |
906 | // Retrieve and remove the values\r | |
907 | //\r | |
908 | for (Index = 0; Index < Count; Index++) {\r | |
909 | \r | |
910 | if (Index != 0) {\r | |
911 | \r | |
912 | ConsoleIn->ScancodeBufStartPos++;\r | |
913 | if (ConsoleIn->ScancodeBufStartPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
914 | ConsoleIn->ScancodeBufStartPos = 0;\r | |
915 | }\r | |
916 | }\r | |
917 | \r | |
918 | Buf[Index] = ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufStartPos];\r | |
919 | ConsoleIn->ScancodeBufCount--;\r | |
920 | }\r | |
921 | \r | |
922 | ConsoleIn->ScancodeBufStartPos++;\r | |
923 | if (ConsoleIn->ScancodeBufStartPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
924 | ConsoleIn->ScancodeBufStartPos = 0;\r | |
925 | }\r | |
926 | \r | |
927 | return EFI_SUCCESS;\r | |
928 | }\r | |
929 | \r | |
bcd70414 | 930 | /**\r |
f713c4fe | 931 | Read key value .\r |
bcd70414 | 932 | \r |
933 | @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
934 | @param Data - Pointer to outof buffer for keeping key value\r | |
935 | \r | |
936 | @retval EFI_TIMEOUT Status resigter time out\r | |
937 | @retval EFI_SUCCESS Success to read keyboard\r | |
938 | \r | |
939 | **/\r | |
05fbd06d | 940 | EFI_STATUS\r |
941 | KeyboardRead (\r | |
942 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
943 | OUT UINT8 *Data\r | |
944 | )\r | |
05fbd06d | 945 | \r |
05fbd06d | 946 | {\r |
947 | UINT32 TimeOut;\r | |
948 | UINT32 RegFilled;\r | |
949 | \r | |
950 | TimeOut = 0;\r | |
951 | RegFilled = 0;\r | |
952 | \r | |
953 | //\r | |
954 | // wait till output buffer full then perform the read\r | |
955 | //\r | |
956 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
b6763e03 | 957 | if (KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) {\r |
05fbd06d | 958 | RegFilled = 1;\r |
959 | *Data = KeyReadDataRegister (ConsoleIn);\r | |
960 | break;\r | |
961 | }\r | |
962 | \r | |
b6763e03 | 963 | MicroSecondDelay (30);\r |
05fbd06d | 964 | }\r |
965 | \r | |
f713c4fe | 966 | if (RegFilled == 0) {\r |
05fbd06d | 967 | return EFI_TIMEOUT;\r |
968 | }\r | |
969 | \r | |
970 | return EFI_SUCCESS;\r | |
971 | }\r | |
972 | \r | |
bcd70414 | 973 | /**\r |
974 | write key to keyboard\r | |
975 | \r | |
976 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
977 | @param Data value wanted to be written\r | |
978 | \r | |
b6763e03 | 979 | @retval EFI_TIMEOUT The input buffer register is full for putting new value util timeout\r |
980 | @retval EFI_SUCCESS The new value is sucess put into input buffer register.\r | |
bcd70414 | 981 | \r |
982 | **/\r | |
05fbd06d | 983 | EFI_STATUS\r |
984 | KeyboardWrite (\r | |
985 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
986 | IN UINT8 Data\r | |
987 | )\r | |
05fbd06d | 988 | {\r |
989 | UINT32 TimeOut;\r | |
990 | UINT32 RegEmptied;\r | |
991 | \r | |
992 | TimeOut = 0;\r | |
993 | RegEmptied = 0;\r | |
994 | \r | |
995 | //\r | |
996 | // wait for input buffer empty\r | |
997 | //\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 | // Write it\r | |
1012 | //\r | |
1013 | KeyWriteDataRegister (ConsoleIn, Data);\r | |
1014 | \r | |
1015 | return EFI_SUCCESS;\r | |
1016 | }\r | |
1017 | \r | |
bcd70414 | 1018 | /**\r |
f713c4fe | 1019 | Issue keyboard command.\r |
bcd70414 | 1020 | \r |
1021 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
1022 | @param Data The buff holding the command \r | |
1023 | \r | |
1024 | @retval EFI_TIMEOUT Keyboard is not ready to issuing \r | |
1025 | @retval EFI_SUCCESS Success to issue keyboard command\r | |
1026 | \r | |
1027 | **/\r | |
05fbd06d | 1028 | EFI_STATUS\r |
1029 | KeyboardCommand (\r | |
1030 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1031 | IN UINT8 Data\r | |
1032 | )\r | |
05fbd06d | 1033 | {\r |
1034 | UINT32 TimeOut;\r | |
1035 | UINT32 RegEmptied;\r | |
1036 | \r | |
1037 | TimeOut = 0;\r | |
1038 | RegEmptied = 0;\r | |
1039 | \r | |
1040 | //\r | |
1041 | // Wait For Input Buffer Empty\r | |
1042 | //\r | |
1043 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
f713c4fe | 1044 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
05fbd06d | 1045 | RegEmptied = 1;\r |
1046 | break;\r | |
1047 | }\r | |
1048 | \r | |
b6763e03 | 1049 | MicroSecondDelay (30);\r |
05fbd06d | 1050 | }\r |
1051 | \r | |
f713c4fe | 1052 | if (RegEmptied == 0) {\r |
05fbd06d | 1053 | return EFI_TIMEOUT;\r |
1054 | }\r | |
1055 | //\r | |
1056 | // issue the command\r | |
1057 | //\r | |
1058 | KeyWriteCommandRegister (ConsoleIn, Data);\r | |
1059 | \r | |
1060 | //\r | |
1061 | // Wait For Input Buffer Empty again\r | |
1062 | //\r | |
1063 | RegEmptied = 0;\r | |
1064 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
f713c4fe | 1065 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
05fbd06d | 1066 | RegEmptied = 1;\r |
1067 | break;\r | |
1068 | }\r | |
1069 | \r | |
b6763e03 | 1070 | MicroSecondDelay (30);\r |
05fbd06d | 1071 | }\r |
1072 | \r | |
f713c4fe | 1073 | if (RegEmptied == 0) {\r |
05fbd06d | 1074 | return EFI_TIMEOUT;\r |
1075 | }\r | |
1076 | \r | |
1077 | return EFI_SUCCESS;\r | |
1078 | }\r | |
1079 | \r | |
bcd70414 | 1080 | /**\r |
1081 | wait for a specific value to be presented on\r | |
1082 | 8042 Data register by keyboard and then read it,\r | |
1083 | used in keyboard commands ack\r | |
1084 | \r | |
1085 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
1086 | @param Value the value wanted to be waited.\r | |
1087 | \r | |
1088 | @retval EFI_TIMEOUT Fail to get specific value in given time\r | |
1089 | @retval EFI_SUCCESS Success to get specific value in given time.\r | |
1090 | \r | |
1091 | **/\r | |
05fbd06d | 1092 | EFI_STATUS\r |
1093 | KeyboardWaitForValue (\r | |
1094 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1095 | IN UINT8 Value\r | |
1096 | )\r | |
05fbd06d | 1097 | {\r |
1098 | UINT8 Data;\r | |
1099 | UINT32 TimeOut;\r | |
1100 | UINT32 SumTimeOut;\r | |
1101 | UINT32 GotIt;\r | |
1102 | \r | |
1103 | GotIt = 0;\r | |
1104 | TimeOut = 0;\r | |
1105 | SumTimeOut = 0;\r | |
1106 | \r | |
1107 | //\r | |
1108 | // Make sure the initial value of 'Data' is different from 'Value'\r | |
1109 | //\r | |
1110 | Data = 0;\r | |
1111 | if (Data == Value) {\r | |
1112 | Data = 1;\r | |
1113 | }\r | |
1114 | //\r | |
1115 | // Read from 8042 (multiple times if needed)\r | |
1116 | // until the expected value appears\r | |
1117 | // use SumTimeOut to control the iteration\r | |
1118 | //\r | |
1119 | while (1) {\r | |
1120 | //\r | |
1121 | // Perform a read\r | |
1122 | //\r | |
1123 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1124 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r | |
1125 | Data = KeyReadDataRegister (ConsoleIn);\r | |
1126 | break;\r | |
1127 | }\r | |
1128 | \r | |
b6763e03 | 1129 | MicroSecondDelay (30);\r |
05fbd06d | 1130 | }\r |
1131 | \r | |
1132 | SumTimeOut += TimeOut;\r | |
1133 | \r | |
1134 | if (Data == Value) {\r | |
1135 | GotIt = 1;\r | |
1136 | break;\r | |
1137 | }\r | |
1138 | \r | |
1139 | if (SumTimeOut >= mWaitForValueTimeOut) {\r | |
1140 | break;\r | |
1141 | }\r | |
1142 | }\r | |
1143 | //\r | |
1144 | // Check results\r | |
1145 | //\r | |
b6763e03 | 1146 | if (GotIt == 1) {\r |
05fbd06d | 1147 | return EFI_SUCCESS;\r |
1148 | } else {\r | |
1149 | return EFI_TIMEOUT;\r | |
1150 | }\r | |
1151 | \r | |
1152 | }\r | |
1153 | \r | |
bcd70414 | 1154 | /**\r |
05fbd06d | 1155 | Show keyboard status lights according to\r |
1156 | indicators in ConsoleIn.\r | |
1157 | \r | |
bcd70414 | 1158 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
1159 | \r | |
b6763e03 | 1160 | @return status of updating keyboard register\r |
05fbd06d | 1161 | \r |
bcd70414 | 1162 | **/\r |
1163 | EFI_STATUS\r | |
1164 | UpdateStatusLights (\r | |
1165 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1166 | )\r | |
05fbd06d | 1167 | {\r |
1168 | EFI_STATUS Status;\r | |
1169 | UINT8 Command;\r | |
1170 | \r | |
1171 | //\r | |
1172 | // Send keyboard command\r | |
1173 | //\r | |
1174 | Status = KeyboardWrite (ConsoleIn, 0xed);\r | |
1175 | if (EFI_ERROR (Status)) {\r | |
1176 | return Status;\r | |
1177 | }\r | |
1178 | \r | |
1179 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1180 | \r | |
1181 | //\r | |
1182 | // Light configuration\r | |
1183 | //\r | |
1184 | Command = 0;\r | |
1185 | if (ConsoleIn->CapsLock) {\r | |
1186 | Command |= 4;\r | |
1187 | }\r | |
1188 | \r | |
1189 | if (ConsoleIn->NumLock) {\r | |
1190 | Command |= 2;\r | |
1191 | }\r | |
1192 | \r | |
1193 | if (ConsoleIn->ScrollLock) {\r | |
1194 | Command |= 1;\r | |
1195 | }\r | |
1196 | \r | |
1197 | Status = KeyboardWrite (ConsoleIn, Command);\r | |
1198 | \r | |
1199 | if (EFI_ERROR (Status)) {\r | |
1200 | return Status;\r | |
1201 | }\r | |
1202 | \r | |
1203 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1204 | return Status;\r | |
1205 | }\r | |
1206 | \r | |
bcd70414 | 1207 | /**\r |
05fbd06d | 1208 | Get scancode from scancode buffer\r |
1209 | and translate into EFI-scancode and unicode defined by EFI spec\r | |
1210 | The function is always called in TPL_NOTIFY\r | |
1211 | \r | |
bcd70414 | 1212 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
05fbd06d | 1213 | \r |
b6763e03 | 1214 | @retval EFI_NOT_READY Input from console not ready yet.\r |
1215 | @retval EFI_SUCCESS Function executed successfully.\r | |
05fbd06d | 1216 | \r |
bcd70414 | 1217 | **/\r |
1218 | EFI_STATUS\r | |
1219 | KeyGetchar (\r | |
1220 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1221 | )\r | |
05fbd06d | 1222 | {\r |
1223 | EFI_STATUS Status;\r | |
1224 | UINT8 ScanCode;\r | |
1225 | UINT8 Readed;\r | |
1226 | BOOLEAN Extended;\r | |
1227 | UINT8 ScancodeArr[4];\r | |
1228 | UINTN Index;\r | |
1229 | //\r | |
1230 | // 4 bytes most\r | |
1231 | //\r | |
1232 | UINT32 ScancodeArrPos;\r | |
1233 | //\r | |
1234 | // point to the current position in ScancodeArr\r | |
1235 | //\r | |
1236 | \r | |
1237 | Readed = 0;\r | |
1238 | Extended = FALSE;\r | |
1239 | ScancodeArrPos = 0;\r | |
1240 | \r | |
1241 | //\r | |
1242 | // Read one byte of the scan code and store it into the memory buffer\r | |
1243 | // This block of code is added to insert an action that is equivalent to\r | |
1244 | // the timer event handling function, so as to increase the frequency of\r | |
1245 | // detecting the availability of keys. Timer event has a max frequency of\r | |
1246 | // 18Hz which is insufficient\r | |
1247 | //\r | |
1248 | //\r | |
1249 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r | |
1250 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r | |
1251 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r | |
1252 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r | |
1253 | // Just skip the 'resend' process simply.\r | |
1254 | //\r | |
1255 | \r | |
1256 | \r | |
1257 | if (((KeyReadStatusRegister (ConsoleIn) & 0x21) == 0x1) && (ConsoleIn->ScancodeBufCount < KEYBOARD_BUFFER_MAX_COUNT)) {\r | |
1258 | \r | |
1259 | Readed = KeyReadDataRegister (ConsoleIn);\r | |
1260 | //\r | |
1261 | // put the scancode into the memory scancode buffer\r | |
1262 | //\r | |
1263 | ConsoleIn->ScancodeBufCount++;\r | |
1264 | ConsoleIn->ScancodeBufEndPos++;\r | |
1265 | if (ConsoleIn->ScancodeBufEndPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
1266 | ConsoleIn->ScancodeBufEndPos = 0;\r | |
1267 | }\r | |
1268 | \r | |
1269 | ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufEndPos] = Readed;\r | |
1270 | \r | |
1271 | //\r | |
1272 | // Handle Alt+Ctrl+Del Key combination\r | |
1273 | //\r | |
1274 | switch (Readed) {\r | |
1275 | \r | |
1276 | case SCANCODE_CTRL_MAKE:\r | |
1277 | ConsoleIn->Ctrled = TRUE;\r | |
1278 | break;\r | |
1279 | \r | |
1280 | case SCANCODE_CTRL_BREAK:\r | |
1281 | ConsoleIn->Ctrled = FALSE;\r | |
1282 | break;\r | |
1283 | \r | |
1284 | case SCANCODE_ALT_MAKE:\r | |
1285 | ConsoleIn->Alted = TRUE;\r | |
1286 | break;\r | |
1287 | \r | |
1288 | case SCANCODE_ALT_BREAK:\r | |
1289 | ConsoleIn->Alted = FALSE;\r | |
1290 | break;\r | |
1291 | }\r | |
1292 | //\r | |
1293 | // if Alt+Ctrl+Del, Reboot the System\r | |
1294 | //\r | |
1295 | if (ConsoleIn->Ctrled && ConsoleIn->Alted && Readed == 0x53) {\r | |
1296 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1297 | }\r | |
1298 | }\r | |
1299 | //\r | |
1300 | // Check if there are enough bytes of scancode representing a single key\r | |
1301 | // available in the buffer\r | |
1302 | //\r | |
b6763e03 | 1303 | while (TRUE) {\r |
05fbd06d | 1304 | \r |
1305 | Status = GetScancodeBufHead (ConsoleIn, 1, ScancodeArr);\r | |
1306 | ScancodeArrPos = 0;\r | |
1307 | if (EFI_ERROR (Status)) {\r | |
1308 | return EFI_NOT_READY;\r | |
1309 | }\r | |
1310 | \r | |
1311 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED) {\r | |
1312 | Extended = TRUE;\r | |
1313 | Status = GetScancodeBufHead (ConsoleIn, 2, ScancodeArr);\r | |
1314 | ScancodeArrPos = 1;\r | |
1315 | if (EFI_ERROR (Status)) {\r | |
1316 | return EFI_NOT_READY;\r | |
1317 | }\r | |
1318 | }\r | |
1319 | //\r | |
1320 | // Checks for key scancode for PAUSE:E1-1D/45-E1/9D-C5\r | |
1321 | // if present, ignore them\r | |
1322 | //\r | |
1323 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {\r | |
1324 | \r | |
1325 | Status = GetScancodeBufHead (ConsoleIn, 2, ScancodeArr);\r | |
1326 | ScancodeArrPos = 1;\r | |
1327 | \r | |
1328 | if (EFI_ERROR (Status)) {\r | |
1329 | return EFI_NOT_READY;\r | |
1330 | }\r | |
1331 | \r | |
1332 | Status = GetScancodeBufHead (ConsoleIn, 3, ScancodeArr);\r | |
1333 | ScancodeArrPos = 2;\r | |
1334 | \r | |
1335 | if (EFI_ERROR (Status)) {\r | |
1336 | return EFI_NOT_READY;\r | |
1337 | }\r | |
1338 | \r | |
1339 | PopScancodeBufHead (ConsoleIn, 3, ScancodeArr);\r | |
1340 | return EFI_NOT_READY;\r | |
1341 | }\r | |
1342 | //\r | |
1343 | // if we reach this position, scancodes for a key is in buffer now,pop them\r | |
1344 | //\r | |
1345 | Status = PopScancodeBufHead (ConsoleIn, ScancodeArrPos + 1, ScancodeArr);\r | |
1346 | if (EFI_ERROR (Status)) {\r | |
1347 | return EFI_NOT_READY;\r | |
1348 | }\r | |
1349 | //\r | |
1350 | // store the last available byte, this byte of scancode will be checked\r | |
1351 | //\r | |
1352 | ScanCode = ScancodeArr[ScancodeArrPos];\r | |
1353 | \r | |
1354 | //\r | |
1355 | // Check for special keys and update the driver state.\r | |
1356 | //\r | |
1357 | switch (ScanCode) {\r | |
1358 | \r | |
1359 | case SCANCODE_CTRL_MAKE:\r | |
1360 | ConsoleIn->Ctrl = TRUE;\r | |
1361 | break;\r | |
1362 | \r | |
1363 | case SCANCODE_CTRL_BREAK:\r | |
1364 | ConsoleIn->Ctrl = FALSE;\r | |
1365 | break;\r | |
1366 | \r | |
1367 | case SCANCODE_ALT_MAKE:\r | |
1368 | ConsoleIn->Alt = TRUE;\r | |
1369 | break;\r | |
1370 | \r | |
1371 | case SCANCODE_ALT_BREAK:\r | |
1372 | ConsoleIn->Alt = FALSE;\r | |
1373 | break;\r | |
1374 | \r | |
1375 | case SCANCODE_LEFT_SHIFT_MAKE:\r | |
f3d1e940 | 1376 | if (!Extended) {\r |
1377 | ConsoleIn->Shift = TRUE;\r | |
1378 | ConsoleIn->LeftShift = TRUE;\r | |
1379 | } \r | |
1380 | break;\r | |
05fbd06d | 1381 | case SCANCODE_RIGHT_SHIFT_MAKE:\r |
1382 | if (!Extended) {\r | |
1383 | ConsoleIn->Shift = TRUE;\r | |
f3d1e940 | 1384 | ConsoleIn->RightShift = TRUE;\r |
05fbd06d | 1385 | }\r |
1386 | break;\r | |
1387 | \r | |
1388 | case SCANCODE_LEFT_SHIFT_BREAK:\r | |
f3d1e940 | 1389 | if (!Extended) {\r |
1390 | ConsoleIn->Shift = FALSE;\r | |
1391 | ConsoleIn->LeftShift = FALSE;\r | |
1392 | } else {\r | |
1393 | ConsoleIn->SysReq = FALSE;\r | |
1394 | } \r | |
1395 | break;\r | |
05fbd06d | 1396 | case SCANCODE_RIGHT_SHIFT_BREAK:\r |
1397 | if (!Extended) {\r | |
1398 | ConsoleIn->Shift = FALSE;\r | |
f3d1e940 | 1399 | ConsoleIn->RightShift = FALSE;\r |
05fbd06d | 1400 | }\r |
1401 | break;\r | |
1402 | \r | |
f3d1e940 | 1403 | case SCANCODE_LEFT_LOGO_MAKE:\r |
1404 | ConsoleIn->LeftLogo = TRUE;\r | |
1405 | break; \r | |
1406 | case SCANCODE_LEFT_LOGO_BREAK:\r | |
1407 | ConsoleIn->LeftLogo = FALSE;\r | |
1408 | break; \r | |
1409 | case SCANCODE_RIGHT_LOGO_MAKE:\r | |
1410 | ConsoleIn->RightLogo = TRUE;\r | |
1411 | break;\r | |
1412 | case SCANCODE_RIGHT_LOGO_BREAK:\r | |
1413 | ConsoleIn->RightLogo = FALSE;\r | |
1414 | break; \r | |
1415 | case SCANCODE_MENU_MAKE:\r | |
1416 | ConsoleIn->Menu = TRUE;\r | |
1417 | break;\r | |
1418 | case SCANCODE_MENU_BREAK:\r | |
1419 | ConsoleIn->Menu = FALSE;\r | |
1420 | break; \r | |
1421 | case SCANCODE_SYS_REQ_MAKE:\r | |
1422 | if (Extended) {\r | |
1423 | ConsoleIn->SysReq = TRUE;\r | |
1424 | }\r | |
05fbd06d | 1425 | case SCANCODE_CAPS_LOCK_MAKE:\r |
1426 | ConsoleIn->CapsLock = (BOOLEAN)!ConsoleIn->CapsLock;\r | |
1427 | UpdateStatusLights (ConsoleIn);\r | |
1428 | break;\r | |
1429 | \r | |
1430 | case SCANCODE_NUM_LOCK_MAKE:\r | |
1431 | ConsoleIn->NumLock = (BOOLEAN)!ConsoleIn->NumLock;\r | |
1432 | UpdateStatusLights (ConsoleIn);\r | |
1433 | break;\r | |
1434 | \r | |
1435 | case SCANCODE_SCROLL_LOCK_MAKE:\r | |
1436 | ConsoleIn->ScrollLock = (BOOLEAN)!ConsoleIn->ScrollLock;\r | |
1437 | UpdateStatusLights (ConsoleIn);\r | |
1438 | break;\r | |
1439 | }\r | |
1440 | //\r | |
1441 | // If this is a BREAK Key or above the valid range, ignore it\r | |
1442 | //\r | |
1443 | if (ScanCode >= SCANCODE_MAX_MAKE) {\r | |
1444 | continue;\r | |
1445 | } else {\r | |
1446 | break;\r | |
1447 | }\r | |
1448 | }\r | |
1449 | //\r | |
05fbd06d | 1450 | // Treat Numeric Key Pad "/" specially\r |
1451 | //\r | |
1452 | if (Extended && ScanCode == 0x35) {\r | |
1453 | ConsoleIn->Key.ScanCode = SCAN_NULL;\r | |
b6763e03 | 1454 | ConsoleIn->Key.UnicodeChar = L'/';\r |
05fbd06d | 1455 | return EFI_SUCCESS;\r |
1456 | }\r | |
1457 | //\r | |
1458 | // Convert Keyboard ScanCode into an EFI Key\r | |
1459 | //\r | |
1460 | for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index += 1) {\r | |
1461 | if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {\r | |
1462 | ConsoleIn->Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;\r | |
1463 | if (ConsoleIn->Shift) {\r | |
1464 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r | |
f3d1e940 | 1465 | //\r |
1466 | // Need not return associated shift state if a class of printable characters that\r | |
1467 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r | |
1468 | //\r | |
b6763e03 | 1469 | if (ConsoleIn->Key.UnicodeChar >= L'A' && ConsoleIn->Key.UnicodeChar <= L'Z') {\r |
f3d1e940 | 1470 | ConsoleIn->LeftShift = FALSE;\r |
1471 | ConsoleIn->RightShift = FALSE;\r | |
1472 | }\r | |
05fbd06d | 1473 | } else {\r |
1474 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r | |
1475 | }\r | |
1476 | //\r | |
1477 | // alphabetic key is affected by CapsLock State\r | |
1478 | //\r | |
1479 | if (ConsoleIn->CapsLock) {\r | |
b6763e03 | 1480 | if (ConsoleIn->Key.UnicodeChar >= L'a' && ConsoleIn->Key.UnicodeChar <= L'z') {\r |
05fbd06d | 1481 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r |
b6763e03 | 1482 | } else if (ConsoleIn->Key.UnicodeChar >= L'A' && ConsoleIn->Key.UnicodeChar <= L'Z') {\r |
05fbd06d | 1483 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r |
1484 | }\r | |
1485 | }\r | |
1f771698 | 1486 | //\r |
1487 | // Translate the CTRL-Alpha characters to their corresponding control value (ctrl-a = 0x0001 through ctrl-Z = 0x001A)\r | |
1488 | //\r | |
1489 | if (ConsoleIn->Ctrled) {\r | |
b6763e03 | 1490 | if (ConsoleIn->Key.UnicodeChar >= L'a' && ConsoleIn->Key.UnicodeChar <= L'z') {\r |
1491 | ConsoleIn->Key.UnicodeChar = (UINT16) (ConsoleIn->Key.UnicodeChar - L'a' + 1);\r | |
1492 | } else if (ConsoleIn->Key.UnicodeChar >= L'A' && ConsoleIn->Key.UnicodeChar <= L'Z') {\r | |
1493 | ConsoleIn->Key.UnicodeChar = (UINT16) (ConsoleIn->Key.UnicodeChar - L'A' + 1);\r | |
1f771698 | 1494 | }\r |
1495 | }\r | |
05fbd06d | 1496 | \r |
1497 | break;\r | |
1498 | }\r | |
1499 | }\r | |
1500 | \r | |
1501 | //\r | |
1502 | // distinguish numeric key pad keys' 'up symbol' and 'down symbol'\r | |
1503 | //\r | |
1504 | if (ScanCode >= 0x47 && ScanCode <= 0x53) {\r | |
1505 | \r | |
1506 | if (ConsoleIn->NumLock && !ConsoleIn->Shift && !Extended) {\r | |
1507 | ConsoleIn->Key.ScanCode = SCAN_NULL;\r | |
1508 | } else if (ScanCode != 0x4a && ScanCode != 0x4e) {\r | |
b6763e03 | 1509 | ConsoleIn->Key.UnicodeChar = 0x0000;\r |
05fbd06d | 1510 | }\r |
1511 | }\r | |
1512 | //\r | |
1513 | // If the key can not be converted then just return.\r | |
1514 | //\r | |
b6763e03 | 1515 | if (ConsoleIn->Key.ScanCode == SCAN_NULL && ConsoleIn->Key.UnicodeChar == 0x0000) {\r |
05fbd06d | 1516 | return EFI_NOT_READY;\r |
1517 | }\r | |
1518 | \r | |
f3d1e940 | 1519 | //\r |
1520 | // Save the Shift/Toggle state\r | |
1521 | //\r | |
1522 | if (ConsoleIn->Ctrl) {\r | |
f713c4fe | 1523 | ConsoleIn->KeyState.KeyShiftState |= (Extended) ? EFI_RIGHT_CONTROL_PRESSED : EFI_LEFT_CONTROL_PRESSED;\r |
f3d1e940 | 1524 | } \r |
1525 | if (ConsoleIn->Alt) { \r | |
f713c4fe | 1526 | ConsoleIn->KeyState.KeyShiftState |= (Extended) ? EFI_RIGHT_ALT_PRESSED : EFI_LEFT_ALT_PRESSED;\r |
f3d1e940 | 1527 | } \r |
1528 | if (ConsoleIn->LeftShift) { \r | |
1529 | ConsoleIn->KeyState.KeyShiftState |= EFI_LEFT_SHIFT_PRESSED;\r | |
1530 | } \r | |
1531 | if (ConsoleIn->RightShift) { \r | |
1532 | ConsoleIn->KeyState.KeyShiftState |= EFI_RIGHT_SHIFT_PRESSED;\r | |
1533 | } \r | |
1534 | if (ConsoleIn->LeftLogo) { \r | |
1535 | ConsoleIn->KeyState.KeyShiftState |= EFI_LEFT_LOGO_PRESSED;\r | |
1536 | } \r | |
1537 | if (ConsoleIn->RightLogo) { \r | |
1538 | ConsoleIn->KeyState.KeyShiftState |= EFI_RIGHT_LOGO_PRESSED;\r | |
1539 | } \r | |
1540 | if (ConsoleIn->Menu) { \r | |
1541 | ConsoleIn->KeyState.KeyShiftState |= EFI_MENU_KEY_PRESSED;\r | |
1542 | } \r | |
1543 | if (ConsoleIn->SysReq) { \r | |
1544 | ConsoleIn->KeyState.KeyShiftState |= EFI_SYS_REQ_PRESSED;\r | |
1545 | } \r | |
1546 | if (ConsoleIn->CapsLock) {\r | |
1547 | ConsoleIn->KeyState.KeyToggleState |= EFI_CAPS_LOCK_ACTIVE;\r | |
1548 | }\r | |
1549 | if (ConsoleIn->NumLock) {\r | |
1550 | ConsoleIn->KeyState.KeyToggleState |= EFI_NUM_LOCK_ACTIVE;\r | |
1551 | }\r | |
1552 | if (ConsoleIn->ScrollLock) {\r | |
1553 | ConsoleIn->KeyState.KeyToggleState |= EFI_SCROLL_LOCK_ACTIVE;\r | |
1554 | }\r | |
1555 | \r | |
05fbd06d | 1556 | return EFI_SUCCESS;\r |
1557 | }\r | |
1558 | \r | |
bcd70414 | 1559 | /**\r |
f713c4fe | 1560 | Perform 8042 controller and keyboard Initialization. \r |
05fbd06d | 1561 | If ExtendedVerification is TRUE, do additional test for\r |
1562 | the keyboard interface\r | |
1563 | \r | |
bcd70414 | 1564 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
1565 | @param ExtendedVerification - indicates a thorough initialization\r | |
05fbd06d | 1566 | \r |
bcd70414 | 1567 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r |
1568 | @retval EFI_SUCCESS Success to init keyboard\r | |
1569 | **/\r | |
1570 | EFI_STATUS\r | |
1571 | InitKeyboard (\r | |
1572 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1573 | IN BOOLEAN ExtendedVerification\r | |
1574 | )\r | |
05fbd06d | 1575 | {\r |
1576 | EFI_STATUS Status;\r | |
1577 | EFI_STATUS Status1;\r | |
1578 | UINT8 CommandByte;\r | |
05fbd06d | 1579 | EFI_PS2_POLICY_PROTOCOL *Ps2Policy;\r |
05f89b17 | 1580 | UINT32 TryTime;\r |
05fbd06d | 1581 | \r |
05f89b17 | 1582 | Status = EFI_SUCCESS;\r |
4fd730b3 | 1583 | mEnableMouseInterface = TRUE;\r |
05f89b17 | 1584 | TryTime = 0;\r |
05fbd06d | 1585 | \r |
1586 | //\r | |
1587 | // Get Ps2 policy to set this\r | |
1588 | //\r | |
05f89b17 LG |
1589 | gBS->LocateProtocol (\r |
1590 | &gEfiPs2PolicyProtocolGuid,\r | |
1591 | NULL,\r | |
1592 | (VOID **) &Ps2Policy\r | |
1593 | );\r | |
05fbd06d | 1594 | \r |
1595 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1596 | EFI_PROGRESS_CODE,\r | |
1597 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,\r | |
1598 | ConsoleIn->DevicePath\r | |
1599 | );\r | |
1600 | \r | |
1601 | //\r | |
1602 | // Perform a read to cleanup the Status Register's\r | |
05f89b17 | 1603 | // output buffer full bits within MAX TRY times\r |
05fbd06d | 1604 | //\r |
05f89b17 | 1605 | while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {\r |
05fbd06d | 1606 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r |
05f89b17 LG |
1607 | TryTime ++;\r |
1608 | }\r | |
1609 | //\r | |
1610 | // Exceed the max try times. The device may be error.\r | |
1611 | //\r | |
1612 | if (TryTime == KEYBOARD_MAX_TRY) {\r | |
1613 | Status = EFI_DEVICE_ERROR;\r | |
1614 | goto Done;\r | |
05fbd06d | 1615 | }\r |
1616 | //\r | |
1617 | // We should disable mouse interface during the initialization process\r | |
1618 | // since mouse device output could block keyboard device output in the\r | |
1619 | // 60H port of 8042 controller.\r | |
1620 | //\r | |
1621 | // So if we are not initializing 8042 controller for the\r | |
1622 | // first time, we have to remember the previous mouse interface\r | |
1623 | // enabling state\r | |
1624 | //\r | |
1625 | // Test the system flag in to determine whether this is the first\r | |
1626 | // time initialization\r | |
1627 | //\r | |
f713c4fe | 1628 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG) != 0) {\r |
05fbd06d | 1629 | //\r |
1630 | // 8042 controller is already setup (by myself or by mouse driver):\r | |
1631 | // See whether mouse interface is already enabled\r | |
1632 | // which determines whether we should enable it later\r | |
1633 | //\r | |
1634 | //\r | |
1635 | // Read the command byte of 8042 controller\r | |
1636 | //\r | |
b6763e03 | 1637 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_READ);\r |
05fbd06d | 1638 | if (EFI_ERROR (Status)) {\r |
1639 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1640 | goto Done;\r | |
1641 | }\r | |
1642 | \r | |
1643 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r | |
1644 | if (EFI_ERROR (Status)) {\r | |
1645 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1646 | goto Done;\r | |
1647 | }\r | |
1648 | //\r | |
1649 | // Test the mouse enabling bit\r | |
1650 | //\r | |
f713c4fe | 1651 | if ((CommandByte & 0x20) != 0) {\r |
4fd730b3 | 1652 | mEnableMouseInterface = FALSE;\r |
05fbd06d | 1653 | } else {\r |
4fd730b3 | 1654 | mEnableMouseInterface = TRUE;\r |
05fbd06d | 1655 | }\r |
1656 | \r | |
1657 | } else {\r | |
1658 | //\r | |
1659 | // 8042 controller is not setup yet:\r | |
1660 | // 8042 controller selftest;\r | |
1661 | // Don't enable mouse interface later.\r | |
1662 | //\r | |
1663 | //\r | |
1664 | // Disable keyboard and mouse interfaces\r | |
1665 | //\r | |
b6763e03 | 1666 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r |
05fbd06d | 1667 | if (EFI_ERROR (Status)) {\r |
1668 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1669 | goto Done;\r | |
1670 | }\r | |
1671 | \r | |
b6763e03 | 1672 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE);\r |
05fbd06d | 1673 | if (EFI_ERROR (Status)) {\r |
1674 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1675 | goto Done;\r | |
1676 | }\r | |
1677 | \r | |
1678 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1679 | EFI_PROGRESS_CODE,\r | |
1680 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,\r | |
1681 | ConsoleIn->DevicePath\r | |
1682 | );\r | |
1683 | //\r | |
1684 | // 8042 Controller Self Test\r | |
1685 | //\r | |
b6763e03 | 1686 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST);\r |
05fbd06d | 1687 | if (EFI_ERROR (Status)) {\r |
1688 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1689 | goto Done;\r | |
1690 | }\r | |
1691 | \r | |
1692 | Status = KeyboardWaitForValue (ConsoleIn, 0x55);\r | |
1693 | if (EFI_ERROR (Status)) {\r | |
1694 | KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");\r | |
1695 | goto Done;\r | |
1696 | }\r | |
1697 | //\r | |
1698 | // Don't enable mouse interface later\r | |
1699 | //\r | |
4fd730b3 | 1700 | mEnableMouseInterface = FALSE;\r |
05fbd06d | 1701 | \r |
1702 | }\r | |
1703 | \r | |
1704 | if (Ps2Policy != NULL) {\r | |
1705 | Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);\r | |
1706 | }\r | |
1707 | //\r | |
1708 | // Write 8042 Command Byte, set System Flag\r | |
1709 | // While at the same time:\r | |
1710 | // 1. disable mouse interface,\r | |
1711 | // 2. enable kbd interface,\r | |
1712 | // 3. enable PC/XT kbd translation mode\r | |
1713 | // 4. enable mouse and kbd interrupts\r | |
1714 | //\r | |
1715 | // ( Command Byte bits:\r | |
1716 | // 7: Reserved\r | |
1717 | // 6: PC/XT translation mode\r | |
1718 | // 5: Disable Auxiliary device interface\r | |
1719 | // 4: Disable keyboard interface\r | |
1720 | // 3: Reserved\r | |
1721 | // 2: System Flag\r | |
1722 | // 1: Enable Auxiliary device interrupt\r | |
1723 | // 0: Enable Keyboard interrupt )\r | |
1724 | //\r | |
b6763e03 | 1725 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_WRITE);\r |
05fbd06d | 1726 | if (EFI_ERROR (Status)) {\r |
1727 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1728 | goto Done;\r | |
1729 | }\r | |
1730 | \r | |
1731 | Status = KeyboardWrite (ConsoleIn, 0x67);\r | |
1732 | if (EFI_ERROR (Status)) {\r | |
1733 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1734 | goto Done;\r | |
1735 | }\r | |
1736 | \r | |
1737 | //\r | |
1738 | // Clear Memory Scancode Buffer\r | |
1739 | //\r | |
1740 | ConsoleIn->ScancodeBufStartPos = 0;\r | |
1741 | ConsoleIn->ScancodeBufEndPos = KEYBOARD_BUFFER_MAX_COUNT - 1;\r | |
1742 | ConsoleIn->ScancodeBufCount = 0;\r | |
1743 | ConsoleIn->Ctrled = FALSE;\r | |
1744 | ConsoleIn->Alted = FALSE;\r | |
1745 | \r | |
1746 | //\r | |
1747 | // Reset the status indicators\r | |
1748 | //\r | |
1749 | ConsoleIn->Ctrl = FALSE;\r | |
1750 | ConsoleIn->Alt = FALSE;\r | |
1751 | ConsoleIn->Shift = FALSE;\r | |
1752 | ConsoleIn->CapsLock = FALSE;\r | |
1753 | ConsoleIn->NumLock = FALSE;\r | |
1754 | ConsoleIn->ScrollLock = FALSE;\r | |
f3d1e940 | 1755 | ConsoleIn->LeftShift = FALSE;\r |
1756 | ConsoleIn->RightShift = FALSE;\r | |
1757 | ConsoleIn->LeftLogo = FALSE;\r | |
1758 | ConsoleIn->RightLogo = FALSE;\r | |
1759 | ConsoleIn->Menu = FALSE;\r | |
1760 | ConsoleIn->SysReq = FALSE; \r | |
05fbd06d | 1761 | \r |
1762 | //\r | |
1763 | // For reseting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,\r | |
1764 | // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected\r | |
1765 | // to system. So we only do the real reseting for keyboard when user asks and there is a real KB connected t system,\r | |
1766 | // and normally during booting an OS, it's skipped.\r | |
1767 | //\r | |
1768 | if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {\r | |
1769 | //\r | |
1770 | // Additional verifications for keyboard interface\r | |
1771 | //\r | |
1772 | //\r | |
1773 | // Keyboard Interface Test\r | |
1774 | //\r | |
b6763e03 | 1775 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST);\r |
05fbd06d | 1776 | if (EFI_ERROR (Status)) {\r |
1777 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1778 | goto Done;\r | |
1779 | }\r | |
1780 | \r | |
1781 | Status = KeyboardWaitForValue (ConsoleIn, 0x00);\r | |
1782 | if (EFI_ERROR (Status)) {\r | |
1783 | KeyboardError (\r | |
1784 | ConsoleIn,\r | |
1785 | L"Some specific value not aquired from 8042 controller!\n\r"\r | |
1786 | );\r | |
1787 | goto Done;\r | |
1788 | }\r | |
1789 | //\r | |
1790 | // Keyboard reset with a BAT(Basic Assurance Test)\r | |
1791 | //\r | |
b6763e03 | 1792 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_RESET);\r |
05fbd06d | 1793 | if (EFI_ERROR (Status)) {\r |
1794 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1795 | goto Done;\r | |
1796 | }\r | |
1797 | \r | |
b6763e03 | 1798 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1799 | if (EFI_ERROR (Status)) {\r |
1800 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1801 | goto Done;\r | |
1802 | }\r | |
1803 | //\r | |
1804 | // wait for BAT completion code\r | |
1805 | //\r | |
1806 | mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;\r | |
1807 | \r | |
b6763e03 | 1808 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);\r |
05fbd06d | 1809 | if (EFI_ERROR (Status)) {\r |
1810 | KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");\r | |
1811 | goto Done;\r | |
1812 | }\r | |
1813 | \r | |
1814 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
1815 | \r | |
1816 | //\r | |
1817 | // Set Keyboard to use Scan Code Set 2\r | |
1818 | //\r | |
b6763e03 | 1819 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET);\r |
05fbd06d | 1820 | if (EFI_ERROR (Status)) {\r |
1821 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1822 | goto Done;\r | |
1823 | }\r | |
1824 | \r | |
b6763e03 | 1825 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1826 | if (EFI_ERROR (Status)) {\r |
1827 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1828 | goto Done;\r | |
1829 | }\r | |
1830 | \r | |
1831 | Status = KeyboardWrite (ConsoleIn, 0x02);\r | |
1832 | if (EFI_ERROR (Status)) {\r | |
1833 | KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");\r | |
1834 | goto Done;\r | |
1835 | }\r | |
1836 | \r | |
b6763e03 | 1837 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1838 | if (EFI_ERROR (Status)) {\r |
1839 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1840 | goto Done;\r | |
1841 | }\r | |
1842 | \r | |
1843 | //\r | |
1844 | // Clear Keyboard Scancode Buffer\r | |
1845 | //\r | |
b6763e03 | 1846 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA);\r |
05fbd06d | 1847 | if (EFI_ERROR (Status)) {\r |
1848 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1849 | goto Done;\r | |
1850 | }\r | |
1851 | \r | |
b6763e03 | 1852 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
05fbd06d | 1853 | if (EFI_ERROR (Status)) {\r |
1854 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1855 | goto Done;\r | |
1856 | }\r | |
1857 | //\r | |
1858 | if (Ps2Policy != NULL) {\r | |
1859 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {\r | |
1860 | ConsoleIn->CapsLock = TRUE;\r | |
1861 | }\r | |
1862 | \r | |
1863 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {\r | |
1864 | ConsoleIn->NumLock = TRUE;\r | |
1865 | }\r | |
1866 | \r | |
1867 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {\r | |
1868 | ConsoleIn->ScrollLock = TRUE;\r | |
1869 | }\r | |
1870 | }\r | |
1871 | //\r | |
1872 | // Update Keyboard Lights\r | |
1873 | //\r | |
1874 | Status = UpdateStatusLights (ConsoleIn);\r | |
1875 | if (EFI_ERROR (Status)) {\r | |
1876 | KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");\r | |
1877 | goto Done;\r | |
1878 | }\r | |
1879 | }\r | |
1880 | //\r | |
1881 | // At last, we can now enable the mouse interface if appropriate\r | |
1882 | //\r | |
1883 | Done:\r | |
1884 | \r | |
4fd730b3 | 1885 | if (mEnableMouseInterface) {\r |
05fbd06d | 1886 | //\r |
1887 | // Enable mouse interface\r | |
1888 | //\r | |
b6763e03 | 1889 | Status1 = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE);\r |
05fbd06d | 1890 | if (EFI_ERROR (Status1)) {\r |
1891 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1892 | return EFI_DEVICE_ERROR;\r | |
1893 | }\r | |
1894 | }\r | |
1895 | \r | |
1896 | if (!EFI_ERROR (Status)) {\r | |
1897 | return EFI_SUCCESS;\r | |
1898 | } else {\r | |
1899 | return EFI_DEVICE_ERROR;\r | |
1900 | }\r | |
1901 | \r | |
1902 | }\r | |
1903 | \r | |
bcd70414 | 1904 | /**\r |
f713c4fe | 1905 | Disable the keyboard interface of the 8042 controller.\r |
05fbd06d | 1906 | \r |
f713c4fe | 1907 | @param ConsoleIn The device instance\r |
05fbd06d | 1908 | \r |
bcd70414 | 1909 | @return status of issuing disable command\r |
05fbd06d | 1910 | \r |
bcd70414 | 1911 | **/\r |
1912 | EFI_STATUS\r | |
1913 | DisableKeyboard (\r | |
1914 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1915 | )\r | |
05fbd06d | 1916 | {\r |
1917 | EFI_STATUS Status;\r | |
1918 | \r | |
1919 | //\r | |
1920 | // Disable keyboard interface\r | |
1921 | //\r | |
b6763e03 | 1922 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r |
05fbd06d | 1923 | if (EFI_ERROR (Status)) {\r |
1924 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1925 | return EFI_DEVICE_ERROR;\r | |
1926 | }\r | |
1927 | \r | |
1928 | return Status;\r | |
1929 | }\r | |
1930 | \r | |
1931 | /**\r | |
1932 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r | |
1933 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r | |
1934 | should not be in system.\r | |
1935 | \r | |
fdb05fa3 | 1936 | @param[in] ConsoleIn Keyboard Private Data Structure\r |
05fbd06d | 1937 | \r |
f3d1e940 | 1938 | @retval TRUE Keyboard in System.\r |
1939 | @retval FALSE Keyboard not in System.\r | |
05fbd06d | 1940 | **/\r |
1941 | BOOLEAN\r | |
1942 | EFIAPI\r | |
1943 | CheckKeyboardConnect (\r | |
1944 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1945 | )\r | |
1946 | {\r | |
1947 | EFI_STATUS Status;\r | |
1948 | UINTN WaitForValueTimeOutBcakup;\r | |
1949 | \r | |
1950 | Status = EFI_SUCCESS;\r | |
1951 | //\r | |
1952 | // enable keyboard itself and wait for its ack\r | |
1953 | // If can't receive ack, Keyboard should not be connected.\r | |
1954 | //\r | |
1955 | Status = KeyboardWrite (\r | |
1956 | ConsoleIn,\r | |
1957 | KEYBOARD_KBEN\r | |
1958 | );\r | |
1959 | \r | |
1960 | if (EFI_ERROR (Status)) {\r | |
1961 | return FALSE;\r | |
1962 | }\r | |
1963 | //\r | |
1964 | // wait for 1s\r | |
1965 | //\r | |
1966 | WaitForValueTimeOutBcakup = mWaitForValueTimeOut;\r | |
1967 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
1968 | Status = KeyboardWaitForValue (\r | |
1969 | ConsoleIn,\r | |
1970 | KEYBOARD_CMDECHO_ACK\r | |
1971 | );\r | |
1972 | mWaitForValueTimeOut = WaitForValueTimeOutBcakup;\r | |
1973 | \r | |
1974 | if (EFI_ERROR (Status)) {\r | |
1975 | return FALSE;\r | |
1976 | }\r | |
1977 | \r | |
1978 | return TRUE;\r | |
1979 | }\r | |
bcd70414 | 1980 | \r |