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05fbd06d | 1 | /**@file\r |
2 | PS/2 Keyboard driver\r | |
3 | Routines that access 8042 keyboard controller\r | |
4 | \r | |
df0dcb5e | 5 | Copyright (c) 2006 - 2007, Intel Corporation\r |
6 | All rights reserved. This program and the accompanying materials\r | |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
05fbd06d | 13 | \r |
14 | **/\r | |
15 | \r | |
05fbd06d | 16 | #include "Ps2Keyboard.h"\r |
17 | \r | |
819d1488 | 18 | struct {\r |
67319626 | 19 | UINT8 ScanCode; ///< follows value defined in Scan Code Set1\r |
05fbd06d | 20 | UINT16 EfiScanCode;\r |
21 | CHAR16 UnicodeChar;\r | |
22 | CHAR16 ShiftUnicodeChar;\r | |
23 | }\r | |
24 | ConvertKeyboardScanCodeToEfiKey[] = {\r | |
25 | \r | |
26 | {\r | |
27 | 0x01, // Escape\r | |
28 | SCAN_ESC,\r | |
67319626 | 29 | 0x0000,\r |
30 | 0x0000\r | |
05fbd06d | 31 | },\r |
32 | {\r | |
33 | 0x02,\r | |
34 | SCAN_NULL,\r | |
67319626 | 35 | L'1',\r |
36 | L'!'\r | |
05fbd06d | 37 | },\r |
38 | {\r | |
39 | 0x03,\r | |
40 | SCAN_NULL,\r | |
67319626 | 41 | L'2',\r |
42 | L'@'\r | |
05fbd06d | 43 | },\r |
44 | {\r | |
45 | 0x04,\r | |
46 | SCAN_NULL,\r | |
67319626 | 47 | L'3',\r |
48 | L'#'\r | |
05fbd06d | 49 | },\r |
50 | {\r | |
51 | 0x05,\r | |
52 | SCAN_NULL,\r | |
67319626 | 53 | L'4',\r |
54 | L'$'\r | |
05fbd06d | 55 | },\r |
56 | {\r | |
57 | 0x06,\r | |
58 | SCAN_NULL,\r | |
67319626 | 59 | L'5',\r |
60 | L'%'\r | |
05fbd06d | 61 | },\r |
62 | {\r | |
63 | 0x07,\r | |
64 | SCAN_NULL,\r | |
67319626 | 65 | L'6',\r |
66 | L'^'\r | |
05fbd06d | 67 | },\r |
68 | {\r | |
69 | 0x08,\r | |
70 | SCAN_NULL,\r | |
67319626 | 71 | L'7',\r |
72 | L'&'\r | |
05fbd06d | 73 | },\r |
74 | {\r | |
75 | 0x09,\r | |
76 | SCAN_NULL,\r | |
67319626 | 77 | L'8',\r |
78 | L'*'\r | |
05fbd06d | 79 | },\r |
80 | {\r | |
81 | 0x0A,\r | |
82 | SCAN_NULL,\r | |
67319626 | 83 | L'9',\r |
84 | L'('\r | |
05fbd06d | 85 | },\r |
86 | {\r | |
87 | 0x0B,\r | |
88 | SCAN_NULL,\r | |
67319626 | 89 | L'0',\r |
90 | L')'\r | |
05fbd06d | 91 | },\r |
92 | {\r | |
93 | 0x0C,\r | |
94 | SCAN_NULL,\r | |
67319626 | 95 | L'-',\r |
96 | L'_'\r | |
05fbd06d | 97 | },\r |
98 | {\r | |
99 | 0x0D,\r | |
100 | SCAN_NULL,\r | |
67319626 | 101 | L'=',\r |
102 | L'+'\r | |
05fbd06d | 103 | },\r |
104 | {\r | |
105 | 0x0E, // BackSpace\r | |
106 | SCAN_NULL,\r | |
67319626 | 107 | 0x0008,\r |
108 | 0x0008\r | |
05fbd06d | 109 | },\r |
110 | {\r | |
111 | 0x0F, // Tab\r | |
112 | SCAN_NULL,\r | |
67319626 | 113 | 0x0009,\r |
114 | 0x0009\r | |
05fbd06d | 115 | },\r |
116 | {\r | |
117 | 0x10,\r | |
118 | SCAN_NULL,\r | |
67319626 | 119 | L'q',\r |
120 | L'Q'\r | |
05fbd06d | 121 | },\r |
122 | {\r | |
123 | 0x11,\r | |
124 | SCAN_NULL,\r | |
67319626 | 125 | L'w',\r |
126 | L'W'\r | |
05fbd06d | 127 | },\r |
128 | {\r | |
129 | 0x12,\r | |
130 | SCAN_NULL,\r | |
67319626 | 131 | L'e',\r |
132 | L'E'\r | |
05fbd06d | 133 | },\r |
134 | {\r | |
135 | 0x13,\r | |
136 | SCAN_NULL,\r | |
67319626 | 137 | L'r',\r |
138 | L'R'\r | |
05fbd06d | 139 | },\r |
140 | {\r | |
141 | 0x14,\r | |
142 | SCAN_NULL,\r | |
67319626 | 143 | L't',\r |
144 | L'T'\r | |
05fbd06d | 145 | },\r |
146 | {\r | |
147 | 0x15,\r | |
148 | SCAN_NULL,\r | |
67319626 | 149 | L'y',\r |
150 | L'Y'\r | |
05fbd06d | 151 | },\r |
152 | {\r | |
153 | 0x16,\r | |
154 | SCAN_NULL,\r | |
67319626 | 155 | L'u',\r |
156 | L'U'\r | |
05fbd06d | 157 | },\r |
158 | {\r | |
159 | 0x17,\r | |
160 | SCAN_NULL,\r | |
67319626 | 161 | L'i',\r |
162 | L'I'\r | |
05fbd06d | 163 | },\r |
164 | {\r | |
165 | 0x18,\r | |
166 | SCAN_NULL,\r | |
67319626 | 167 | L'o',\r |
168 | L'O'\r | |
05fbd06d | 169 | },\r |
170 | {\r | |
171 | 0x19,\r | |
172 | SCAN_NULL,\r | |
67319626 | 173 | L'p',\r |
174 | L'P'\r | |
05fbd06d | 175 | },\r |
176 | {\r | |
177 | 0x1a,\r | |
178 | SCAN_NULL,\r | |
67319626 | 179 | L'[',\r |
180 | L'{'\r | |
05fbd06d | 181 | },\r |
182 | {\r | |
183 | 0x1b,\r | |
184 | SCAN_NULL,\r | |
67319626 | 185 | L']',\r |
186 | L'}'\r | |
05fbd06d | 187 | },\r |
188 | {\r | |
189 | 0x1c, // Enter\r | |
190 | SCAN_NULL,\r | |
67319626 | 191 | 0x000d,\r |
192 | 0x000d\r | |
05fbd06d | 193 | },\r |
194 | {\r | |
195 | 0x1d,\r | |
196 | SCAN_NULL,\r | |
67319626 | 197 | 0x0000,\r |
198 | 0x0000\r | |
05fbd06d | 199 | },\r |
200 | {\r | |
201 | 0x1e,\r | |
202 | SCAN_NULL,\r | |
67319626 | 203 | L'a',\r |
204 | L'A'\r | |
05fbd06d | 205 | },\r |
206 | {\r | |
207 | 0x1f,\r | |
208 | SCAN_NULL,\r | |
67319626 | 209 | L's',\r |
210 | L'S'\r | |
05fbd06d | 211 | },\r |
212 | {\r | |
213 | 0x20,\r | |
214 | SCAN_NULL,\r | |
67319626 | 215 | L'd',\r |
216 | L'D'\r | |
05fbd06d | 217 | },\r |
218 | {\r | |
219 | 0x21,\r | |
220 | SCAN_NULL,\r | |
67319626 | 221 | L'f',\r |
222 | L'F'\r | |
05fbd06d | 223 | },\r |
224 | {\r | |
225 | 0x22,\r | |
226 | SCAN_NULL,\r | |
67319626 | 227 | L'g',\r |
228 | L'G'\r | |
05fbd06d | 229 | },\r |
230 | {\r | |
231 | 0x23,\r | |
232 | SCAN_NULL,\r | |
67319626 | 233 | L'h',\r |
234 | L'H'\r | |
05fbd06d | 235 | },\r |
236 | {\r | |
237 | 0x24,\r | |
238 | SCAN_NULL,\r | |
67319626 | 239 | L'j',\r |
240 | L'J'\r | |
05fbd06d | 241 | },\r |
242 | {\r | |
243 | 0x25,\r | |
244 | SCAN_NULL,\r | |
67319626 | 245 | L'k',\r |
246 | L'K'\r | |
05fbd06d | 247 | },\r |
248 | {\r | |
249 | 0x26,\r | |
250 | SCAN_NULL,\r | |
67319626 | 251 | L'l',\r |
252 | L'L'\r | |
05fbd06d | 253 | },\r |
254 | {\r | |
255 | 0x27,\r | |
256 | SCAN_NULL,\r | |
67319626 | 257 | L';',\r |
258 | L':'\r | |
05fbd06d | 259 | },\r |
260 | {\r | |
261 | 0x28,\r | |
262 | SCAN_NULL,\r | |
67319626 | 263 | L'\'',\r |
264 | L'"'\r | |
05fbd06d | 265 | },\r |
266 | {\r | |
267 | 0x29,\r | |
268 | SCAN_NULL,\r | |
67319626 | 269 | L'`',\r |
270 | L'~'\r | |
05fbd06d | 271 | },\r |
272 | {\r | |
273 | 0x2a, // Left Shift\r | |
274 | SCAN_NULL,\r | |
67319626 | 275 | 0x0000,\r |
276 | 0x0000\r | |
05fbd06d | 277 | },\r |
278 | {\r | |
279 | 0x2b,\r | |
280 | SCAN_NULL,\r | |
67319626 | 281 | L'\\',\r |
282 | L'|'\r | |
05fbd06d | 283 | },\r |
284 | {\r | |
285 | 0x2c,\r | |
286 | SCAN_NULL,\r | |
67319626 | 287 | L'z',\r |
288 | L'Z'\r | |
05fbd06d | 289 | },\r |
290 | {\r | |
291 | 0x2d,\r | |
292 | SCAN_NULL,\r | |
67319626 | 293 | L'x',\r |
294 | L'X'\r | |
05fbd06d | 295 | },\r |
296 | {\r | |
297 | 0x2e,\r | |
298 | SCAN_NULL,\r | |
67319626 | 299 | L'c',\r |
300 | L'C'\r | |
05fbd06d | 301 | },\r |
302 | {\r | |
303 | 0x2f,\r | |
304 | SCAN_NULL,\r | |
67319626 | 305 | L'v',\r |
306 | L'V'\r | |
05fbd06d | 307 | },\r |
308 | {\r | |
309 | 0x30,\r | |
310 | SCAN_NULL,\r | |
67319626 | 311 | L'b',\r |
312 | L'B'\r | |
05fbd06d | 313 | },\r |
314 | {\r | |
315 | 0x31,\r | |
316 | SCAN_NULL,\r | |
67319626 | 317 | L'n',\r |
318 | L'N'\r | |
05fbd06d | 319 | },\r |
320 | {\r | |
321 | 0x32,\r | |
322 | SCAN_NULL,\r | |
67319626 | 323 | L'm',\r |
324 | L'M'\r | |
05fbd06d | 325 | },\r |
326 | {\r | |
327 | 0x33,\r | |
328 | SCAN_NULL,\r | |
67319626 | 329 | L',',\r |
330 | L'<'\r | |
05fbd06d | 331 | },\r |
332 | {\r | |
333 | 0x34,\r | |
334 | SCAN_NULL,\r | |
67319626 | 335 | L'.',\r |
336 | L'>'\r | |
05fbd06d | 337 | },\r |
338 | {\r | |
339 | 0x35,\r | |
340 | SCAN_NULL,\r | |
67319626 | 341 | L'/',\r |
342 | L'?'\r | |
05fbd06d | 343 | },\r |
344 | {\r | |
345 | 0x36, //Right Shift\r | |
346 | SCAN_NULL,\r | |
67319626 | 347 | 0x0000,\r |
348 | 0x0000\r | |
05fbd06d | 349 | },\r |
350 | {\r | |
351 | 0x37, // Numeric Keypad *\r | |
352 | SCAN_NULL,\r | |
67319626 | 353 | L'*',\r |
354 | L'*'\r | |
05fbd06d | 355 | },\r |
356 | {\r | |
357 | 0x38, //Left Alt/Extended Right Alt\r | |
358 | SCAN_NULL,\r | |
67319626 | 359 | 0x0000,\r |
360 | 0x0000\r | |
05fbd06d | 361 | },\r |
362 | {\r | |
363 | 0x39,\r | |
364 | SCAN_NULL,\r | |
67319626 | 365 | L' ',\r |
366 | L' '\r | |
05fbd06d | 367 | },\r |
368 | {\r | |
369 | 0x3A, //CapsLock\r | |
370 | SCAN_NULL,\r | |
67319626 | 371 | 0x0000,\r |
372 | 0x0000\r | |
05fbd06d | 373 | },\r |
374 | {\r | |
375 | 0x3B,\r | |
376 | SCAN_F1,\r | |
67319626 | 377 | 0x0000,\r |
378 | 0x0000\r | |
05fbd06d | 379 | },\r |
380 | {\r | |
381 | 0x3C,\r | |
382 | SCAN_F2,\r | |
67319626 | 383 | 0x0000,\r |
384 | 0x0000\r | |
05fbd06d | 385 | },\r |
386 | {\r | |
387 | 0x3D,\r | |
388 | SCAN_F3,\r | |
67319626 | 389 | 0x0000,\r |
390 | 0x0000\r | |
05fbd06d | 391 | },\r |
392 | {\r | |
393 | 0x3E,\r | |
394 | SCAN_F4,\r | |
67319626 | 395 | 0x0000,\r |
396 | 0x0000\r | |
05fbd06d | 397 | },\r |
398 | {\r | |
399 | 0x3F,\r | |
400 | SCAN_F5,\r | |
67319626 | 401 | 0x0000,\r |
402 | 0x0000\r | |
05fbd06d | 403 | },\r |
404 | {\r | |
405 | 0x40,\r | |
406 | SCAN_F6,\r | |
67319626 | 407 | 0x0000,\r |
408 | 0x0000\r | |
05fbd06d | 409 | },\r |
410 | {\r | |
411 | 0x41,\r | |
412 | SCAN_F7,\r | |
67319626 | 413 | 0x0000,\r |
414 | 0x0000\r | |
05fbd06d | 415 | },\r |
416 | {\r | |
417 | 0x42,\r | |
418 | SCAN_F8,\r | |
67319626 | 419 | 0x0000,\r |
420 | 0x0000\r | |
05fbd06d | 421 | },\r |
422 | {\r | |
423 | 0x43,\r | |
424 | SCAN_F9,\r | |
67319626 | 425 | 0x0000,\r |
426 | 0x0000\r | |
05fbd06d | 427 | },\r |
428 | {\r | |
429 | 0x44,\r | |
430 | SCAN_F10,\r | |
67319626 | 431 | 0x0000,\r |
432 | 0x0000\r | |
05fbd06d | 433 | },\r |
434 | {\r | |
435 | 0x45, // NumLock\r | |
436 | SCAN_NULL,\r | |
67319626 | 437 | 0x0000,\r |
438 | 0x0000\r | |
05fbd06d | 439 | },\r |
440 | {\r | |
441 | 0x46, // ScrollLock\r | |
442 | SCAN_NULL,\r | |
67319626 | 443 | 0x0000,\r |
444 | 0x0000\r | |
05fbd06d | 445 | },\r |
446 | {\r | |
447 | 0x47,\r | |
448 | SCAN_HOME,\r | |
67319626 | 449 | L'7',\r |
450 | L'7'\r | |
05fbd06d | 451 | },\r |
452 | {\r | |
453 | 0x48,\r | |
454 | SCAN_UP,\r | |
67319626 | 455 | L'8',\r |
456 | L'8'\r | |
05fbd06d | 457 | },\r |
458 | {\r | |
459 | 0x49,\r | |
460 | SCAN_PAGE_UP,\r | |
67319626 | 461 | L'9',\r |
462 | L'9'\r | |
05fbd06d | 463 | },\r |
464 | {\r | |
465 | 0x4a,\r | |
466 | SCAN_NULL,\r | |
67319626 | 467 | L'-',\r |
468 | L'-'\r | |
05fbd06d | 469 | },\r |
470 | {\r | |
471 | 0x4b,\r | |
472 | SCAN_LEFT,\r | |
67319626 | 473 | L'4',\r |
474 | L'4'\r | |
05fbd06d | 475 | },\r |
476 | {\r | |
477 | 0x4c, // Numeric Keypad 5\r | |
478 | SCAN_NULL,\r | |
67319626 | 479 | L'5',\r |
480 | L'5'\r | |
05fbd06d | 481 | },\r |
482 | {\r | |
483 | 0x4d,\r | |
484 | SCAN_RIGHT,\r | |
67319626 | 485 | L'6',\r |
486 | L'6'\r | |
05fbd06d | 487 | },\r |
488 | {\r | |
489 | 0x4e,\r | |
490 | SCAN_NULL,\r | |
67319626 | 491 | L'+',\r |
492 | L'+'\r | |
05fbd06d | 493 | },\r |
494 | {\r | |
495 | 0x4f,\r | |
496 | SCAN_END,\r | |
67319626 | 497 | L'1',\r |
498 | L'1'\r | |
05fbd06d | 499 | },\r |
500 | {\r | |
501 | 0x50,\r | |
502 | SCAN_DOWN,\r | |
67319626 | 503 | L'2',\r |
504 | L'2'\r | |
05fbd06d | 505 | },\r |
506 | {\r | |
507 | 0x51,\r | |
508 | SCAN_PAGE_DOWN,\r | |
67319626 | 509 | L'3',\r |
510 | L'3'\r | |
05fbd06d | 511 | },\r |
512 | {\r | |
513 | 0x52,\r | |
514 | SCAN_INSERT,\r | |
67319626 | 515 | L'0',\r |
516 | L'0'\r | |
05fbd06d | 517 | },\r |
518 | {\r | |
519 | 0x53,\r | |
520 | SCAN_DELETE,\r | |
67319626 | 521 | L'.',\r |
522 | L'.'\r | |
05fbd06d | 523 | },\r |
524 | {\r | |
525 | 0x57,\r | |
526 | SCAN_F11,\r | |
67319626 | 527 | 0x0000,\r |
528 | 0x0000\r | |
05fbd06d | 529 | },\r |
530 | {\r | |
531 | 0x58,\r | |
532 | SCAN_F12,\r | |
67319626 | 533 | 0x0000,\r |
534 | 0x0000\r | |
05fbd06d | 535 | },\r |
f3d1e940 | 536 | {\r |
537 | 0x5B, //Left LOGO\r | |
538 | SCAN_NULL,\r | |
67319626 | 539 | 0x0000,\r |
540 | 0x0000\r | |
f3d1e940 | 541 | }, \r |
542 | {\r | |
543 | 0x5C, //Right LOGO\r | |
544 | SCAN_NULL,\r | |
67319626 | 545 | 0x0000,\r |
546 | 0x0000\r | |
f3d1e940 | 547 | }, \r |
548 | {\r | |
549 | 0x5D, //Menu key\r | |
550 | SCAN_NULL,\r | |
67319626 | 551 | 0x0000,\r |
552 | 0x0000\r | |
f3d1e940 | 553 | }, \r |
05fbd06d | 554 | {\r |
555 | TABLE_END,\r | |
556 | TABLE_END,\r | |
557 | SCAN_NULL,\r | |
558 | SCAN_NULL\r | |
559 | },\r | |
560 | };\r | |
561 | \r | |
562 | \r | |
563 | //\r | |
564 | // The WaitForValue time out\r | |
565 | //\r | |
819d1488 | 566 | UINTN mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
05fbd06d | 567 | \r |
4fd730b3 | 568 | BOOLEAN mEnableMouseInterface;\r |
569 | \r | |
9f6531d1 | 570 | //\r |
571 | // Function declarations\r | |
572 | //\r | |
573 | UINT8\r | |
574 | KeyReadDataRegister (\r | |
575 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
576 | );\r | |
577 | \r | |
578 | VOID\r | |
579 | KeyWriteDataRegister (\r | |
580 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
581 | IN UINT8 Data\r | |
582 | );\r | |
583 | \r | |
584 | VOID\r | |
585 | KeyWriteCommandRegister (\r | |
586 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
587 | IN UINT8 Data\r | |
588 | );\r | |
589 | \r | |
590 | VOID\r | |
591 | KeyboardError (\r | |
592 | IN KEYBOARD_CONSOLE_IN_DEV*ConsoleIn,\r | |
593 | IN CHAR16 *ErrMsg // should be a unicode string\r | |
594 | );\r | |
595 | \r | |
596 | EFI_STATUS\r | |
597 | GetScancodeBufHead (\r | |
598 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
599 | IN UINT32 Count,\r | |
600 | OUT UINT8 *Buf\r | |
601 | );\r | |
602 | \r | |
603 | EFI_STATUS\r | |
604 | PopScancodeBufHead (\r | |
605 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
606 | IN UINT32 Count,\r | |
607 | OUT UINT8 *Buf\r | |
608 | );\r | |
609 | \r | |
610 | EFI_STATUS\r | |
611 | KeyboardWrite (\r | |
612 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
613 | IN UINT8 Data\r | |
614 | );\r | |
615 | \r | |
616 | EFI_STATUS\r | |
617 | KeyboardCommand (\r | |
618 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
619 | IN UINT8 Data\r | |
620 | );\r | |
621 | \r | |
622 | EFI_STATUS\r | |
623 | KeyboardWaitForValue (\r | |
624 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
625 | IN UINT8 Value\r | |
626 | );\r | |
627 | \r | |
bcd70414 | 628 | /**\r |
629 | Read data register \r | |
630 | \r | |
631 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
632 | \r | |
633 | @return return the value \r | |
634 | \r | |
635 | **/\r | |
05fbd06d | 636 | UINT8\r |
637 | KeyReadDataRegister (\r | |
638 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
639 | )\r | |
05fbd06d | 640 | \r |
05fbd06d | 641 | {\r |
642 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
643 | UINT8 Data;\r | |
644 | \r | |
645 | //\r | |
646 | // Use IsaIo protocol to perform IO operations\r | |
647 | //\r | |
648 | IsaIo = ConsoleIn->IsaIo;\r | |
649 | \r | |
650 | IsaIo->Io.Read (\r | |
651 | IsaIo,\r | |
652 | EfiIsaIoWidthUint8,\r | |
653 | ConsoleIn->DataRegisterAddress,\r | |
654 | 1,\r | |
655 | &Data\r | |
656 | );\r | |
657 | \r | |
658 | return Data;\r | |
659 | }\r | |
660 | \r | |
bcd70414 | 661 | /**\r |
662 | Write data register\r | |
663 | \r | |
664 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
665 | @param Data value wanted to be written\r | |
666 | \r | |
667 | **/\r | |
05fbd06d | 668 | VOID\r |
669 | KeyWriteDataRegister (\r | |
670 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
671 | IN UINT8 Data\r | |
672 | )\r | |
05fbd06d | 673 | \r |
05fbd06d | 674 | {\r |
675 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
676 | \r | |
677 | //\r | |
678 | // Use IsaIo protocol to perform IO operations\r | |
679 | //\r | |
680 | IsaIo = ConsoleIn->IsaIo;\r | |
681 | \r | |
682 | IsaIo->Io.Write (\r | |
683 | IsaIo,\r | |
684 | EfiIsaIoWidthUint8,\r | |
685 | ConsoleIn->DataRegisterAddress,\r | |
686 | 1,\r | |
687 | &Data\r | |
688 | );\r | |
689 | \r | |
690 | //\r | |
691 | // outp(ConsoleIn->DataRegisterAddress, Data);\r | |
692 | //\r | |
693 | }\r | |
694 | \r | |
bcd70414 | 695 | /**\r |
696 | Read status register\r | |
697 | \r | |
698 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
699 | \r | |
700 | @return value in status register\r | |
701 | \r | |
702 | **/\r | |
05fbd06d | 703 | UINT8\r |
704 | KeyReadStatusRegister (\r | |
705 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
706 | )\r | |
05fbd06d | 707 | {\r |
708 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
709 | UINT8 Data;\r | |
710 | \r | |
711 | //\r | |
712 | // Use IsaIo protocol to perform IO operations\r | |
713 | //\r | |
714 | IsaIo = ConsoleIn->IsaIo;\r | |
715 | \r | |
716 | IsaIo->Io.Read (\r | |
717 | IsaIo,\r | |
718 | EfiIsaIoWidthUint8,\r | |
719 | ConsoleIn->StatusRegisterAddress,\r | |
720 | 1,\r | |
721 | &Data\r | |
722 | );\r | |
723 | \r | |
724 | return Data;\r | |
725 | \r | |
726 | }\r | |
727 | \r | |
bcd70414 | 728 | /**\r |
729 | Write command register \r | |
730 | \r | |
731 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
732 | @param Data The value wanted to be written\r | |
733 | \r | |
734 | **/\r | |
735 | \r | |
05fbd06d | 736 | VOID\r |
737 | KeyWriteCommandRegister (\r | |
738 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
739 | IN UINT8 Data\r | |
740 | )\r | |
05fbd06d | 741 | {\r |
742 | EFI_ISA_IO_PROTOCOL *IsaIo;\r | |
743 | \r | |
744 | //\r | |
745 | // Use IsaIo protocol to perform IO operations\r | |
746 | //\r | |
747 | IsaIo = ConsoleIn->IsaIo;\r | |
748 | \r | |
749 | IsaIo->Io.Write (\r | |
750 | IsaIo,\r | |
751 | EfiIsaIoWidthUint8,\r | |
752 | ConsoleIn->CommandRegisterAddress,\r | |
753 | 1,\r | |
754 | &Data\r | |
755 | );\r | |
756 | \r | |
757 | }\r | |
758 | \r | |
bcd70414 | 759 | /**\r |
760 | Display error message\r | |
761 | \r | |
762 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
763 | @param ErrMsg Unicode string of error message\r | |
764 | \r | |
765 | **/\r | |
05fbd06d | 766 | VOID\r |
767 | KeyboardError (\r | |
768 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
769 | IN CHAR16 *ErrMsg\r | |
770 | )\r | |
05fbd06d | 771 | {\r |
772 | ConsoleIn->KeyboardErr = TRUE;\r | |
773 | \r | |
774 | //\r | |
775 | // gST -> ConOut -> OutputString (gST -> ConOut, L"Keyboard Driver: ");\r | |
776 | // gST -> ConOut -> OutputString (gST -> ConOut, ErrMsg);\r | |
777 | //\r | |
778 | }\r | |
779 | \r | |
bcd70414 | 780 | /**\r |
05fbd06d | 781 | Timer event handler: read a series of scancodes from 8042\r |
782 | and put them into memory scancode buffer.\r | |
783 | it read as much scancodes to either fill\r | |
784 | the memory buffer or empty the keyboard buffer.\r | |
785 | It is registered as running under TPL_NOTIFY\r | |
786 | \r | |
bcd70414 | 787 | @param Event - The timer event\r |
788 | @param Context - A KEYBOARD_CONSOLE_IN_DEV pointer\r | |
05fbd06d | 789 | \r |
bcd70414 | 790 | **/\r |
791 | VOID\r | |
792 | EFIAPI\r | |
793 | KeyboardTimerHandler (\r | |
794 | IN EFI_EVENT Event,\r | |
795 | IN VOID *Context\r | |
796 | )\r | |
05fbd06d | 797 | \r |
05fbd06d | 798 | {\r |
799 | UINT8 Data;\r | |
800 | EFI_TPL OldTpl;\r | |
801 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
802 | \r | |
803 | ConsoleIn = Context;\r | |
804 | \r | |
805 | //\r | |
806 | // Enter critical section\r | |
807 | //\r | |
808 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
809 | \r | |
810 | if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {\r | |
811 | //\r | |
812 | // Leave critical section and return\r | |
813 | //\r | |
814 | gBS->RestoreTPL (OldTpl);\r | |
815 | return ;\r | |
816 | }\r | |
817 | //\r | |
818 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r | |
819 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r | |
820 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r | |
821 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r | |
822 | // Just skip the 'resend' process simply.\r | |
823 | //\r | |
824 | \r | |
825 | Data = 0;\r | |
826 | \r | |
827 | //\r | |
828 | // if there is no key present, just return\r | |
829 | //\r | |
830 | if ((KeyReadStatusRegister (Context) & 0x21) != 0x1) {\r | |
831 | //\r | |
832 | // Leave critical section and return\r | |
833 | //\r | |
834 | gBS->RestoreTPL (OldTpl);\r | |
835 | \r | |
836 | return ;\r | |
837 | }\r | |
838 | //\r | |
839 | // Read one byte of the scan code and store it into the memory buffer\r | |
840 | //\r | |
841 | if (ConsoleIn->ScancodeBufCount < KEYBOARD_BUFFER_MAX_COUNT) {\r | |
842 | \r | |
843 | Data = KeyReadDataRegister (Context);\r | |
844 | //\r | |
845 | // put the scancode into the memory scancode buffer\r | |
846 | //\r | |
847 | ConsoleIn->ScancodeBufCount++;\r | |
848 | ConsoleIn->ScancodeBufEndPos++;\r | |
849 | if (ConsoleIn->ScancodeBufEndPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
850 | ConsoleIn->ScancodeBufEndPos = 0;\r | |
851 | }\r | |
852 | \r | |
853 | ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufEndPos] = Data;\r | |
854 | \r | |
855 | //\r | |
856 | // Handle Alt+Ctrl+Del Key combination\r | |
857 | //\r | |
858 | switch (Data) {\r | |
859 | case SCANCODE_CTRL_MAKE:\r | |
860 | ConsoleIn->Ctrled = TRUE;\r | |
861 | break;\r | |
862 | \r | |
863 | case SCANCODE_CTRL_BREAK:\r | |
864 | ConsoleIn->Ctrled = FALSE;\r | |
865 | break;\r | |
866 | \r | |
867 | case SCANCODE_ALT_MAKE:\r | |
868 | ConsoleIn->Alted = TRUE;\r | |
869 | break;\r | |
870 | \r | |
871 | case SCANCODE_ALT_BREAK:\r | |
872 | ConsoleIn->Alted = FALSE;\r | |
873 | break;\r | |
874 | }\r | |
875 | //\r | |
876 | // if Alt+Ctrl+Del, Reboot the System\r | |
877 | //\r | |
878 | if (ConsoleIn->Ctrled && ConsoleIn->Alted && Data == 0x53) {\r | |
879 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
880 | }\r | |
881 | }\r | |
882 | //\r | |
883 | // Leave critical section and return\r | |
884 | //\r | |
885 | gBS->RestoreTPL (OldTpl);\r | |
886 | \r | |
887 | return ;\r | |
888 | }\r | |
889 | \r | |
bcd70414 | 890 | /**\r |
891 | Read several bytes from the scancode buffer without removing them.\r | |
892 | This function is called to see if there are enough bytes of scancode\r | |
893 | representing a single key.\r | |
894 | \r | |
895 | @param Count - Number of bytes to be read\r | |
896 | @param Buf - Store the results\r | |
897 | \r | |
898 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
899 | @retval EFI_NOT_READY invalid parameter\r | |
900 | **/\r | |
05fbd06d | 901 | EFI_STATUS\r |
902 | GetScancodeBufHead (\r | |
903 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
904 | IN UINT32 Count,\r | |
905 | OUT UINT8 *Buf\r | |
906 | )\r | |
05fbd06d | 907 | {\r |
908 | UINT32 Index;\r | |
909 | UINT32 Pos;\r | |
910 | \r | |
911 | Index = 0;\r | |
912 | Pos = 0;\r | |
913 | \r | |
914 | //\r | |
915 | // check the valid range of parameter 'Count'\r | |
916 | //\r | |
917 | if (Count <= 0 || ConsoleIn->ScancodeBufCount < Count) {\r | |
918 | return EFI_NOT_READY;\r | |
919 | }\r | |
920 | //\r | |
921 | // retrieve the values\r | |
922 | //\r | |
923 | for (Index = 0; Index < Count; Index++) {\r | |
924 | \r | |
925 | if (Index == 0) {\r | |
926 | \r | |
927 | Pos = ConsoleIn->ScancodeBufStartPos;\r | |
928 | } else {\r | |
929 | \r | |
930 | Pos = Pos + 1;\r | |
931 | if (Pos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
932 | Pos = 0;\r | |
933 | }\r | |
934 | }\r | |
935 | \r | |
936 | Buf[Index] = ConsoleIn->ScancodeBuf[Pos];\r | |
937 | }\r | |
938 | \r | |
939 | return EFI_SUCCESS;\r | |
940 | }\r | |
941 | \r | |
bcd70414 | 942 | /**\r |
943 | \r | |
944 | Read & remove several bytes from the scancode buffer.\r | |
945 | This function is usually called after GetScancodeBufHead()\r | |
946 | \r | |
947 | @param Count - Number of bytes to be read\r | |
948 | @param Buf - Store the results\r | |
949 | \r | |
950 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
951 | @retval EFI_NOT_READY invalid parameter\r | |
952 | **/\r | |
05fbd06d | 953 | EFI_STATUS\r |
954 | PopScancodeBufHead (\r | |
955 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
956 | IN UINT32 Count,\r | |
957 | OUT UINT8 *Buf\r | |
958 | )\r | |
05fbd06d | 959 | {\r |
960 | UINT32 Index;\r | |
961 | \r | |
962 | Index = 0;\r | |
963 | \r | |
964 | //\r | |
965 | // Check the valid range of parameter 'Count'\r | |
966 | //\r | |
967 | if (Count <= 0 || ConsoleIn->ScancodeBufCount < Count) {\r | |
968 | return EFI_NOT_READY;\r | |
969 | }\r | |
970 | //\r | |
971 | // Retrieve and remove the values\r | |
972 | //\r | |
973 | for (Index = 0; Index < Count; Index++) {\r | |
974 | \r | |
975 | if (Index != 0) {\r | |
976 | \r | |
977 | ConsoleIn->ScancodeBufStartPos++;\r | |
978 | if (ConsoleIn->ScancodeBufStartPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
979 | ConsoleIn->ScancodeBufStartPos = 0;\r | |
980 | }\r | |
981 | }\r | |
982 | \r | |
983 | Buf[Index] = ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufStartPos];\r | |
984 | ConsoleIn->ScancodeBufCount--;\r | |
985 | }\r | |
986 | \r | |
987 | ConsoleIn->ScancodeBufStartPos++;\r | |
988 | if (ConsoleIn->ScancodeBufStartPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
989 | ConsoleIn->ScancodeBufStartPos = 0;\r | |
990 | }\r | |
991 | \r | |
992 | return EFI_SUCCESS;\r | |
993 | }\r | |
994 | \r | |
bcd70414 | 995 | /**\r |
996 | Read key value \r | |
997 | \r | |
998 | @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
999 | @param Data - Pointer to outof buffer for keeping key value\r | |
1000 | \r | |
1001 | @retval EFI_TIMEOUT Status resigter time out\r | |
1002 | @retval EFI_SUCCESS Success to read keyboard\r | |
1003 | \r | |
1004 | **/\r | |
05fbd06d | 1005 | EFI_STATUS\r |
1006 | KeyboardRead (\r | |
1007 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1008 | OUT UINT8 *Data\r | |
1009 | )\r | |
05fbd06d | 1010 | \r |
05fbd06d | 1011 | {\r |
1012 | UINT32 TimeOut;\r | |
1013 | UINT32 RegFilled;\r | |
1014 | \r | |
1015 | TimeOut = 0;\r | |
1016 | RegFilled = 0;\r | |
1017 | \r | |
1018 | //\r | |
1019 | // wait till output buffer full then perform the read\r | |
1020 | //\r | |
1021 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1022 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r | |
1023 | RegFilled = 1;\r | |
1024 | *Data = KeyReadDataRegister (ConsoleIn);\r | |
1025 | break;\r | |
1026 | }\r | |
1027 | \r | |
1028 | gBS->Stall (30);\r | |
1029 | }\r | |
1030 | \r | |
1031 | if (!RegFilled) {\r | |
1032 | return EFI_TIMEOUT;\r | |
1033 | }\r | |
1034 | \r | |
1035 | return EFI_SUCCESS;\r | |
1036 | }\r | |
1037 | \r | |
bcd70414 | 1038 | /**\r |
1039 | write key to keyboard\r | |
1040 | \r | |
1041 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
1042 | @param Data value wanted to be written\r | |
1043 | \r | |
1044 | @retval EFI_TIMEOUT - GC_TODO: Add description for return value\r | |
1045 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r | |
1046 | \r | |
1047 | **/\r | |
05fbd06d | 1048 | EFI_STATUS\r |
1049 | KeyboardWrite (\r | |
1050 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1051 | IN UINT8 Data\r | |
1052 | )\r | |
05fbd06d | 1053 | {\r |
1054 | UINT32 TimeOut;\r | |
1055 | UINT32 RegEmptied;\r | |
1056 | \r | |
1057 | TimeOut = 0;\r | |
1058 | RegEmptied = 0;\r | |
1059 | \r | |
1060 | //\r | |
1061 | // wait for input buffer empty\r | |
1062 | //\r | |
1063 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1064 | if (!(KeyReadStatusRegister (ConsoleIn) & 0x02)) {\r | |
1065 | RegEmptied = 1;\r | |
1066 | break;\r | |
1067 | }\r | |
1068 | \r | |
1069 | gBS->Stall (30);\r | |
1070 | }\r | |
1071 | \r | |
1072 | if (!RegEmptied) {\r | |
1073 | return EFI_TIMEOUT;\r | |
1074 | }\r | |
1075 | //\r | |
1076 | // Write it\r | |
1077 | //\r | |
1078 | KeyWriteDataRegister (ConsoleIn, Data);\r | |
1079 | \r | |
1080 | return EFI_SUCCESS;\r | |
1081 | }\r | |
1082 | \r | |
bcd70414 | 1083 | /**\r |
1084 | Issue keyboard command\r | |
1085 | \r | |
1086 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
1087 | @param Data The buff holding the command \r | |
1088 | \r | |
1089 | @retval EFI_TIMEOUT Keyboard is not ready to issuing \r | |
1090 | @retval EFI_SUCCESS Success to issue keyboard command\r | |
1091 | \r | |
1092 | **/\r | |
05fbd06d | 1093 | EFI_STATUS\r |
1094 | KeyboardCommand (\r | |
1095 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1096 | IN UINT8 Data\r | |
1097 | )\r | |
05fbd06d | 1098 | {\r |
1099 | UINT32 TimeOut;\r | |
1100 | UINT32 RegEmptied;\r | |
1101 | \r | |
1102 | TimeOut = 0;\r | |
1103 | RegEmptied = 0;\r | |
1104 | \r | |
1105 | //\r | |
1106 | // Wait For Input Buffer Empty\r | |
1107 | //\r | |
1108 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1109 | if (!(KeyReadStatusRegister (ConsoleIn) & 0x02)) {\r | |
1110 | RegEmptied = 1;\r | |
1111 | break;\r | |
1112 | }\r | |
1113 | \r | |
1114 | gBS->Stall (30);\r | |
1115 | }\r | |
1116 | \r | |
1117 | if (!RegEmptied) {\r | |
1118 | return EFI_TIMEOUT;\r | |
1119 | }\r | |
1120 | //\r | |
1121 | // issue the command\r | |
1122 | //\r | |
1123 | KeyWriteCommandRegister (ConsoleIn, Data);\r | |
1124 | \r | |
1125 | //\r | |
1126 | // Wait For Input Buffer Empty again\r | |
1127 | //\r | |
1128 | RegEmptied = 0;\r | |
1129 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1130 | if (!(KeyReadStatusRegister (ConsoleIn) & 0x02)) {\r | |
1131 | RegEmptied = 1;\r | |
1132 | break;\r | |
1133 | }\r | |
1134 | \r | |
1135 | gBS->Stall (30);\r | |
1136 | }\r | |
1137 | \r | |
1138 | if (!RegEmptied) {\r | |
1139 | return EFI_TIMEOUT;\r | |
1140 | }\r | |
1141 | \r | |
1142 | return EFI_SUCCESS;\r | |
1143 | }\r | |
1144 | \r | |
bcd70414 | 1145 | /**\r |
1146 | wait for a specific value to be presented on\r | |
1147 | 8042 Data register by keyboard and then read it,\r | |
1148 | used in keyboard commands ack\r | |
1149 | \r | |
1150 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
1151 | @param Value the value wanted to be waited.\r | |
1152 | \r | |
1153 | @retval EFI_TIMEOUT Fail to get specific value in given time\r | |
1154 | @retval EFI_SUCCESS Success to get specific value in given time.\r | |
1155 | \r | |
1156 | **/\r | |
05fbd06d | 1157 | EFI_STATUS\r |
1158 | KeyboardWaitForValue (\r | |
1159 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1160 | IN UINT8 Value\r | |
1161 | )\r | |
05fbd06d | 1162 | {\r |
1163 | UINT8 Data;\r | |
1164 | UINT32 TimeOut;\r | |
1165 | UINT32 SumTimeOut;\r | |
1166 | UINT32 GotIt;\r | |
1167 | \r | |
1168 | GotIt = 0;\r | |
1169 | TimeOut = 0;\r | |
1170 | SumTimeOut = 0;\r | |
1171 | \r | |
1172 | //\r | |
1173 | // Make sure the initial value of 'Data' is different from 'Value'\r | |
1174 | //\r | |
1175 | Data = 0;\r | |
1176 | if (Data == Value) {\r | |
1177 | Data = 1;\r | |
1178 | }\r | |
1179 | //\r | |
1180 | // Read from 8042 (multiple times if needed)\r | |
1181 | // until the expected value appears\r | |
1182 | // use SumTimeOut to control the iteration\r | |
1183 | //\r | |
1184 | while (1) {\r | |
1185 | //\r | |
1186 | // Perform a read\r | |
1187 | //\r | |
1188 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
1189 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r | |
1190 | Data = KeyReadDataRegister (ConsoleIn);\r | |
1191 | break;\r | |
1192 | }\r | |
1193 | \r | |
1194 | gBS->Stall (30);\r | |
1195 | }\r | |
1196 | \r | |
1197 | SumTimeOut += TimeOut;\r | |
1198 | \r | |
1199 | if (Data == Value) {\r | |
1200 | GotIt = 1;\r | |
1201 | break;\r | |
1202 | }\r | |
1203 | \r | |
1204 | if (SumTimeOut >= mWaitForValueTimeOut) {\r | |
1205 | break;\r | |
1206 | }\r | |
1207 | }\r | |
1208 | //\r | |
1209 | // Check results\r | |
1210 | //\r | |
1211 | if (GotIt) {\r | |
1212 | return EFI_SUCCESS;\r | |
1213 | } else {\r | |
1214 | return EFI_TIMEOUT;\r | |
1215 | }\r | |
1216 | \r | |
1217 | }\r | |
1218 | \r | |
bcd70414 | 1219 | /**\r |
05fbd06d | 1220 | Show keyboard status lights according to\r |
1221 | indicators in ConsoleIn.\r | |
1222 | \r | |
bcd70414 | 1223 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
1224 | \r | |
1225 | @return status\r | |
05fbd06d | 1226 | \r |
bcd70414 | 1227 | **/\r |
1228 | EFI_STATUS\r | |
1229 | UpdateStatusLights (\r | |
1230 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1231 | )\r | |
05fbd06d | 1232 | {\r |
1233 | EFI_STATUS Status;\r | |
1234 | UINT8 Command;\r | |
1235 | \r | |
1236 | //\r | |
1237 | // Send keyboard command\r | |
1238 | //\r | |
1239 | Status = KeyboardWrite (ConsoleIn, 0xed);\r | |
1240 | if (EFI_ERROR (Status)) {\r | |
1241 | return Status;\r | |
1242 | }\r | |
1243 | \r | |
1244 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1245 | \r | |
1246 | //\r | |
1247 | // Light configuration\r | |
1248 | //\r | |
1249 | Command = 0;\r | |
1250 | if (ConsoleIn->CapsLock) {\r | |
1251 | Command |= 4;\r | |
1252 | }\r | |
1253 | \r | |
1254 | if (ConsoleIn->NumLock) {\r | |
1255 | Command |= 2;\r | |
1256 | }\r | |
1257 | \r | |
1258 | if (ConsoleIn->ScrollLock) {\r | |
1259 | Command |= 1;\r | |
1260 | }\r | |
1261 | \r | |
1262 | Status = KeyboardWrite (ConsoleIn, Command);\r | |
1263 | \r | |
1264 | if (EFI_ERROR (Status)) {\r | |
1265 | return Status;\r | |
1266 | }\r | |
1267 | \r | |
1268 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1269 | return Status;\r | |
1270 | }\r | |
1271 | \r | |
bcd70414 | 1272 | /**\r |
05fbd06d | 1273 | Get scancode from scancode buffer\r |
1274 | and translate into EFI-scancode and unicode defined by EFI spec\r | |
1275 | The function is always called in TPL_NOTIFY\r | |
1276 | \r | |
bcd70414 | 1277 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
05fbd06d | 1278 | \r |
bcd70414 | 1279 | @retval EFI_NOT_READY - Input from console not ready yet.\r |
1280 | @retval EFI_SUCCESS - Function executed successfully.\r | |
05fbd06d | 1281 | \r |
bcd70414 | 1282 | **/\r |
1283 | EFI_STATUS\r | |
1284 | KeyGetchar (\r | |
1285 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1286 | )\r | |
05fbd06d | 1287 | {\r |
1288 | EFI_STATUS Status;\r | |
1289 | UINT8 ScanCode;\r | |
1290 | UINT8 Readed;\r | |
1291 | BOOLEAN Extended;\r | |
1292 | UINT8 ScancodeArr[4];\r | |
1293 | UINTN Index;\r | |
1294 | //\r | |
1295 | // 4 bytes most\r | |
1296 | //\r | |
1297 | UINT32 ScancodeArrPos;\r | |
1298 | //\r | |
1299 | // point to the current position in ScancodeArr\r | |
1300 | //\r | |
1301 | \r | |
1302 | Readed = 0;\r | |
1303 | Extended = FALSE;\r | |
1304 | ScancodeArrPos = 0;\r | |
1305 | \r | |
1306 | //\r | |
1307 | // Read one byte of the scan code and store it into the memory buffer\r | |
1308 | // This block of code is added to insert an action that is equivalent to\r | |
1309 | // the timer event handling function, so as to increase the frequency of\r | |
1310 | // detecting the availability of keys. Timer event has a max frequency of\r | |
1311 | // 18Hz which is insufficient\r | |
1312 | //\r | |
1313 | //\r | |
1314 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r | |
1315 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r | |
1316 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r | |
1317 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r | |
1318 | // Just skip the 'resend' process simply.\r | |
1319 | //\r | |
1320 | \r | |
1321 | \r | |
1322 | if (((KeyReadStatusRegister (ConsoleIn) & 0x21) == 0x1) && (ConsoleIn->ScancodeBufCount < KEYBOARD_BUFFER_MAX_COUNT)) {\r | |
1323 | \r | |
1324 | Readed = KeyReadDataRegister (ConsoleIn);\r | |
1325 | //\r | |
1326 | // put the scancode into the memory scancode buffer\r | |
1327 | //\r | |
1328 | ConsoleIn->ScancodeBufCount++;\r | |
1329 | ConsoleIn->ScancodeBufEndPos++;\r | |
1330 | if (ConsoleIn->ScancodeBufEndPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r | |
1331 | ConsoleIn->ScancodeBufEndPos = 0;\r | |
1332 | }\r | |
1333 | \r | |
1334 | ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufEndPos] = Readed;\r | |
1335 | \r | |
1336 | //\r | |
1337 | // Handle Alt+Ctrl+Del Key combination\r | |
1338 | //\r | |
1339 | switch (Readed) {\r | |
1340 | \r | |
1341 | case SCANCODE_CTRL_MAKE:\r | |
1342 | ConsoleIn->Ctrled = TRUE;\r | |
1343 | break;\r | |
1344 | \r | |
1345 | case SCANCODE_CTRL_BREAK:\r | |
1346 | ConsoleIn->Ctrled = FALSE;\r | |
1347 | break;\r | |
1348 | \r | |
1349 | case SCANCODE_ALT_MAKE:\r | |
1350 | ConsoleIn->Alted = TRUE;\r | |
1351 | break;\r | |
1352 | \r | |
1353 | case SCANCODE_ALT_BREAK:\r | |
1354 | ConsoleIn->Alted = FALSE;\r | |
1355 | break;\r | |
1356 | }\r | |
1357 | //\r | |
1358 | // if Alt+Ctrl+Del, Reboot the System\r | |
1359 | //\r | |
1360 | if (ConsoleIn->Ctrled && ConsoleIn->Alted && Readed == 0x53) {\r | |
1361 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1362 | }\r | |
1363 | }\r | |
1364 | //\r | |
1365 | // Check if there are enough bytes of scancode representing a single key\r | |
1366 | // available in the buffer\r | |
1367 | //\r | |
1368 | while (1) {\r | |
1369 | \r | |
1370 | Status = GetScancodeBufHead (ConsoleIn, 1, ScancodeArr);\r | |
1371 | ScancodeArrPos = 0;\r | |
1372 | if (EFI_ERROR (Status)) {\r | |
1373 | return EFI_NOT_READY;\r | |
1374 | }\r | |
1375 | \r | |
1376 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED) {\r | |
1377 | Extended = TRUE;\r | |
1378 | Status = GetScancodeBufHead (ConsoleIn, 2, ScancodeArr);\r | |
1379 | ScancodeArrPos = 1;\r | |
1380 | if (EFI_ERROR (Status)) {\r | |
1381 | return EFI_NOT_READY;\r | |
1382 | }\r | |
1383 | }\r | |
1384 | //\r | |
1385 | // Checks for key scancode for PAUSE:E1-1D/45-E1/9D-C5\r | |
1386 | // if present, ignore them\r | |
1387 | //\r | |
1388 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {\r | |
1389 | \r | |
1390 | Status = GetScancodeBufHead (ConsoleIn, 2, ScancodeArr);\r | |
1391 | ScancodeArrPos = 1;\r | |
1392 | \r | |
1393 | if (EFI_ERROR (Status)) {\r | |
1394 | return EFI_NOT_READY;\r | |
1395 | }\r | |
1396 | \r | |
1397 | Status = GetScancodeBufHead (ConsoleIn, 3, ScancodeArr);\r | |
1398 | ScancodeArrPos = 2;\r | |
1399 | \r | |
1400 | if (EFI_ERROR (Status)) {\r | |
1401 | return EFI_NOT_READY;\r | |
1402 | }\r | |
1403 | \r | |
1404 | PopScancodeBufHead (ConsoleIn, 3, ScancodeArr);\r | |
1405 | return EFI_NOT_READY;\r | |
1406 | }\r | |
1407 | //\r | |
1408 | // if we reach this position, scancodes for a key is in buffer now,pop them\r | |
1409 | //\r | |
1410 | Status = PopScancodeBufHead (ConsoleIn, ScancodeArrPos + 1, ScancodeArr);\r | |
1411 | if (EFI_ERROR (Status)) {\r | |
1412 | return EFI_NOT_READY;\r | |
1413 | }\r | |
1414 | //\r | |
1415 | // store the last available byte, this byte of scancode will be checked\r | |
1416 | //\r | |
1417 | ScanCode = ScancodeArr[ScancodeArrPos];\r | |
1418 | \r | |
1419 | //\r | |
1420 | // Check for special keys and update the driver state.\r | |
1421 | //\r | |
1422 | switch (ScanCode) {\r | |
1423 | \r | |
1424 | case SCANCODE_CTRL_MAKE:\r | |
1425 | ConsoleIn->Ctrl = TRUE;\r | |
1426 | break;\r | |
1427 | \r | |
1428 | case SCANCODE_CTRL_BREAK:\r | |
1429 | ConsoleIn->Ctrl = FALSE;\r | |
1430 | break;\r | |
1431 | \r | |
1432 | case SCANCODE_ALT_MAKE:\r | |
1433 | ConsoleIn->Alt = TRUE;\r | |
1434 | break;\r | |
1435 | \r | |
1436 | case SCANCODE_ALT_BREAK:\r | |
1437 | ConsoleIn->Alt = FALSE;\r | |
1438 | break;\r | |
1439 | \r | |
1440 | case SCANCODE_LEFT_SHIFT_MAKE:\r | |
f3d1e940 | 1441 | if (!Extended) {\r |
1442 | ConsoleIn->Shift = TRUE;\r | |
1443 | ConsoleIn->LeftShift = TRUE;\r | |
1444 | } \r | |
1445 | break;\r | |
05fbd06d | 1446 | case SCANCODE_RIGHT_SHIFT_MAKE:\r |
1447 | if (!Extended) {\r | |
1448 | ConsoleIn->Shift = TRUE;\r | |
f3d1e940 | 1449 | ConsoleIn->RightShift = TRUE;\r |
05fbd06d | 1450 | }\r |
1451 | break;\r | |
1452 | \r | |
1453 | case SCANCODE_LEFT_SHIFT_BREAK:\r | |
f3d1e940 | 1454 | if (!Extended) {\r |
1455 | ConsoleIn->Shift = FALSE;\r | |
1456 | ConsoleIn->LeftShift = FALSE;\r | |
1457 | } else {\r | |
1458 | ConsoleIn->SysReq = FALSE;\r | |
1459 | } \r | |
1460 | break;\r | |
05fbd06d | 1461 | case SCANCODE_RIGHT_SHIFT_BREAK:\r |
1462 | if (!Extended) {\r | |
1463 | ConsoleIn->Shift = FALSE;\r | |
f3d1e940 | 1464 | ConsoleIn->RightShift = FALSE;\r |
05fbd06d | 1465 | }\r |
1466 | break;\r | |
1467 | \r | |
f3d1e940 | 1468 | case SCANCODE_LEFT_LOGO_MAKE:\r |
1469 | ConsoleIn->LeftLogo = TRUE;\r | |
1470 | break; \r | |
1471 | case SCANCODE_LEFT_LOGO_BREAK:\r | |
1472 | ConsoleIn->LeftLogo = FALSE;\r | |
1473 | break; \r | |
1474 | case SCANCODE_RIGHT_LOGO_MAKE:\r | |
1475 | ConsoleIn->RightLogo = TRUE;\r | |
1476 | break;\r | |
1477 | case SCANCODE_RIGHT_LOGO_BREAK:\r | |
1478 | ConsoleIn->RightLogo = FALSE;\r | |
1479 | break; \r | |
1480 | case SCANCODE_MENU_MAKE:\r | |
1481 | ConsoleIn->Menu = TRUE;\r | |
1482 | break;\r | |
1483 | case SCANCODE_MENU_BREAK:\r | |
1484 | ConsoleIn->Menu = FALSE;\r | |
1485 | break; \r | |
1486 | case SCANCODE_SYS_REQ_MAKE:\r | |
1487 | if (Extended) {\r | |
1488 | ConsoleIn->SysReq = TRUE;\r | |
1489 | }\r | |
05fbd06d | 1490 | case SCANCODE_CAPS_LOCK_MAKE:\r |
1491 | ConsoleIn->CapsLock = (BOOLEAN)!ConsoleIn->CapsLock;\r | |
1492 | UpdateStatusLights (ConsoleIn);\r | |
1493 | break;\r | |
1494 | \r | |
1495 | case SCANCODE_NUM_LOCK_MAKE:\r | |
1496 | ConsoleIn->NumLock = (BOOLEAN)!ConsoleIn->NumLock;\r | |
1497 | UpdateStatusLights (ConsoleIn);\r | |
1498 | break;\r | |
1499 | \r | |
1500 | case SCANCODE_SCROLL_LOCK_MAKE:\r | |
1501 | ConsoleIn->ScrollLock = (BOOLEAN)!ConsoleIn->ScrollLock;\r | |
1502 | UpdateStatusLights (ConsoleIn);\r | |
1503 | break;\r | |
1504 | }\r | |
1505 | //\r | |
1506 | // If this is a BREAK Key or above the valid range, ignore it\r | |
1507 | //\r | |
1508 | if (ScanCode >= SCANCODE_MAX_MAKE) {\r | |
1509 | continue;\r | |
1510 | } else {\r | |
1511 | break;\r | |
1512 | }\r | |
1513 | }\r | |
1514 | //\r | |
05fbd06d | 1515 | // Treat Numeric Key Pad "/" specially\r |
1516 | //\r | |
1517 | if (Extended && ScanCode == 0x35) {\r | |
1518 | ConsoleIn->Key.ScanCode = SCAN_NULL;\r | |
1519 | ConsoleIn->Key.UnicodeChar = '/';\r | |
1520 | return EFI_SUCCESS;\r | |
1521 | }\r | |
1522 | //\r | |
1523 | // Convert Keyboard ScanCode into an EFI Key\r | |
1524 | //\r | |
1525 | for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index += 1) {\r | |
1526 | if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {\r | |
1527 | ConsoleIn->Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;\r | |
1528 | if (ConsoleIn->Shift) {\r | |
1529 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r | |
f3d1e940 | 1530 | //\r |
1531 | // Need not return associated shift state if a class of printable characters that\r | |
1532 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r | |
1533 | //\r | |
1534 | if (ConsoleIn->Key.UnicodeChar >= 'A' && ConsoleIn->Key.UnicodeChar <= 'Z') {\r | |
1535 | ConsoleIn->LeftShift = FALSE;\r | |
1536 | ConsoleIn->RightShift = FALSE;\r | |
1537 | }\r | |
05fbd06d | 1538 | } else {\r |
1539 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r | |
1540 | }\r | |
1541 | //\r | |
1542 | // alphabetic key is affected by CapsLock State\r | |
1543 | //\r | |
1544 | if (ConsoleIn->CapsLock) {\r | |
1545 | if (ConsoleIn->Key.UnicodeChar >= 'a' && ConsoleIn->Key.UnicodeChar <= 'z') {\r | |
1546 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r | |
1547 | } else if (ConsoleIn->Key.UnicodeChar >= 'A' && ConsoleIn->Key.UnicodeChar <= 'Z') {\r | |
1548 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r | |
1549 | }\r | |
1550 | }\r | |
1f771698 | 1551 | //\r |
1552 | // Translate the CTRL-Alpha characters to their corresponding control value (ctrl-a = 0x0001 through ctrl-Z = 0x001A)\r | |
1553 | //\r | |
1554 | if (ConsoleIn->Ctrled) {\r | |
1555 | if (ConsoleIn->Key.UnicodeChar >= 'a' && ConsoleIn->Key.UnicodeChar <= 'z') {\r | |
1556 | ConsoleIn->Key.UnicodeChar = (UINT16) (ConsoleIn->Key.UnicodeChar - 'a' + 1);\r | |
1557 | } else if (ConsoleIn->Key.UnicodeChar >= 'A' && ConsoleIn->Key.UnicodeChar <= 'Z') {\r | |
1558 | ConsoleIn->Key.UnicodeChar = (UINT16) (ConsoleIn->Key.UnicodeChar - 'A' + 1);\r | |
1559 | }\r | |
1560 | }\r | |
05fbd06d | 1561 | \r |
1562 | break;\r | |
1563 | }\r | |
1564 | }\r | |
1565 | \r | |
1566 | //\r | |
1567 | // distinguish numeric key pad keys' 'up symbol' and 'down symbol'\r | |
1568 | //\r | |
1569 | if (ScanCode >= 0x47 && ScanCode <= 0x53) {\r | |
1570 | \r | |
1571 | if (ConsoleIn->NumLock && !ConsoleIn->Shift && !Extended) {\r | |
1572 | ConsoleIn->Key.ScanCode = SCAN_NULL;\r | |
1573 | } else if (ScanCode != 0x4a && ScanCode != 0x4e) {\r | |
1574 | ConsoleIn->Key.UnicodeChar = 0x00;\r | |
1575 | }\r | |
1576 | }\r | |
1577 | //\r | |
1578 | // If the key can not be converted then just return.\r | |
1579 | //\r | |
1580 | if (ConsoleIn->Key.ScanCode == SCAN_NULL && ConsoleIn->Key.UnicodeChar == 0x00) {\r | |
1581 | return EFI_NOT_READY;\r | |
1582 | }\r | |
1583 | \r | |
f3d1e940 | 1584 | //\r |
1585 | // Save the Shift/Toggle state\r | |
1586 | //\r | |
1587 | if (ConsoleIn->Ctrl) {\r | |
1588 | ConsoleIn->KeyState.KeyShiftState |= (Extended == TRUE) ? EFI_RIGHT_CONTROL_PRESSED : EFI_LEFT_CONTROL_PRESSED;\r | |
1589 | } \r | |
1590 | if (ConsoleIn->Alt) { \r | |
1591 | ConsoleIn->KeyState.KeyShiftState |= (Extended == TRUE) ? EFI_RIGHT_ALT_PRESSED : EFI_LEFT_ALT_PRESSED;\r | |
1592 | } \r | |
1593 | if (ConsoleIn->LeftShift) { \r | |
1594 | ConsoleIn->KeyState.KeyShiftState |= EFI_LEFT_SHIFT_PRESSED;\r | |
1595 | } \r | |
1596 | if (ConsoleIn->RightShift) { \r | |
1597 | ConsoleIn->KeyState.KeyShiftState |= EFI_RIGHT_SHIFT_PRESSED;\r | |
1598 | } \r | |
1599 | if (ConsoleIn->LeftLogo) { \r | |
1600 | ConsoleIn->KeyState.KeyShiftState |= EFI_LEFT_LOGO_PRESSED;\r | |
1601 | } \r | |
1602 | if (ConsoleIn->RightLogo) { \r | |
1603 | ConsoleIn->KeyState.KeyShiftState |= EFI_RIGHT_LOGO_PRESSED;\r | |
1604 | } \r | |
1605 | if (ConsoleIn->Menu) { \r | |
1606 | ConsoleIn->KeyState.KeyShiftState |= EFI_MENU_KEY_PRESSED;\r | |
1607 | } \r | |
1608 | if (ConsoleIn->SysReq) { \r | |
1609 | ConsoleIn->KeyState.KeyShiftState |= EFI_SYS_REQ_PRESSED;\r | |
1610 | } \r | |
1611 | if (ConsoleIn->CapsLock) {\r | |
1612 | ConsoleIn->KeyState.KeyToggleState |= EFI_CAPS_LOCK_ACTIVE;\r | |
1613 | }\r | |
1614 | if (ConsoleIn->NumLock) {\r | |
1615 | ConsoleIn->KeyState.KeyToggleState |= EFI_NUM_LOCK_ACTIVE;\r | |
1616 | }\r | |
1617 | if (ConsoleIn->ScrollLock) {\r | |
1618 | ConsoleIn->KeyState.KeyToggleState |= EFI_SCROLL_LOCK_ACTIVE;\r | |
1619 | }\r | |
1620 | \r | |
05fbd06d | 1621 | return EFI_SUCCESS;\r |
1622 | }\r | |
1623 | \r | |
bcd70414 | 1624 | /**\r |
05fbd06d | 1625 | Perform 8042 controller and keyboard Initialization\r |
1626 | If ExtendedVerification is TRUE, do additional test for\r | |
1627 | the keyboard interface\r | |
1628 | \r | |
bcd70414 | 1629 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
1630 | @param ExtendedVerification - indicates a thorough initialization\r | |
05fbd06d | 1631 | \r |
bcd70414 | 1632 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r |
1633 | @retval EFI_SUCCESS Success to init keyboard\r | |
1634 | **/\r | |
1635 | EFI_STATUS\r | |
1636 | InitKeyboard (\r | |
1637 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
1638 | IN BOOLEAN ExtendedVerification\r | |
1639 | )\r | |
05fbd06d | 1640 | {\r |
1641 | EFI_STATUS Status;\r | |
1642 | EFI_STATUS Status1;\r | |
1643 | UINT8 CommandByte;\r | |
05fbd06d | 1644 | EFI_PS2_POLICY_PROTOCOL *Ps2Policy;\r |
05f89b17 | 1645 | UINT32 TryTime;\r |
05fbd06d | 1646 | \r |
05f89b17 | 1647 | Status = EFI_SUCCESS;\r |
4fd730b3 | 1648 | mEnableMouseInterface = TRUE;\r |
05f89b17 | 1649 | TryTime = 0;\r |
05fbd06d | 1650 | \r |
1651 | //\r | |
1652 | // Get Ps2 policy to set this\r | |
1653 | //\r | |
05f89b17 LG |
1654 | gBS->LocateProtocol (\r |
1655 | &gEfiPs2PolicyProtocolGuid,\r | |
1656 | NULL,\r | |
1657 | (VOID **) &Ps2Policy\r | |
1658 | );\r | |
05fbd06d | 1659 | \r |
1660 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1661 | EFI_PROGRESS_CODE,\r | |
1662 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,\r | |
1663 | ConsoleIn->DevicePath\r | |
1664 | );\r | |
1665 | \r | |
1666 | //\r | |
1667 | // Perform a read to cleanup the Status Register's\r | |
05f89b17 | 1668 | // output buffer full bits within MAX TRY times\r |
05fbd06d | 1669 | //\r |
05f89b17 | 1670 | while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {\r |
05fbd06d | 1671 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r |
05f89b17 LG |
1672 | TryTime ++;\r |
1673 | }\r | |
1674 | //\r | |
1675 | // Exceed the max try times. The device may be error.\r | |
1676 | //\r | |
1677 | if (TryTime == KEYBOARD_MAX_TRY) {\r | |
1678 | Status = EFI_DEVICE_ERROR;\r | |
1679 | goto Done;\r | |
05fbd06d | 1680 | }\r |
1681 | //\r | |
1682 | // We should disable mouse interface during the initialization process\r | |
1683 | // since mouse device output could block keyboard device output in the\r | |
1684 | // 60H port of 8042 controller.\r | |
1685 | //\r | |
1686 | // So if we are not initializing 8042 controller for the\r | |
1687 | // first time, we have to remember the previous mouse interface\r | |
1688 | // enabling state\r | |
1689 | //\r | |
1690 | // Test the system flag in to determine whether this is the first\r | |
1691 | // time initialization\r | |
1692 | //\r | |
1693 | if ((KeyReadStatusRegister (ConsoleIn) & 0x04)) {\r | |
1694 | //\r | |
1695 | // 8042 controller is already setup (by myself or by mouse driver):\r | |
1696 | // See whether mouse interface is already enabled\r | |
1697 | // which determines whether we should enable it later\r | |
1698 | //\r | |
1699 | //\r | |
1700 | // Read the command byte of 8042 controller\r | |
1701 | //\r | |
1702 | Status = KeyboardCommand (ConsoleIn, 0x20);\r | |
1703 | if (EFI_ERROR (Status)) {\r | |
1704 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1705 | goto Done;\r | |
1706 | }\r | |
1707 | \r | |
1708 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r | |
1709 | if (EFI_ERROR (Status)) {\r | |
1710 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1711 | goto Done;\r | |
1712 | }\r | |
1713 | //\r | |
1714 | // Test the mouse enabling bit\r | |
1715 | //\r | |
1716 | if (CommandByte & 0x20) {\r | |
4fd730b3 | 1717 | mEnableMouseInterface = FALSE;\r |
05fbd06d | 1718 | } else {\r |
4fd730b3 | 1719 | mEnableMouseInterface = TRUE;\r |
05fbd06d | 1720 | }\r |
1721 | \r | |
1722 | } else {\r | |
1723 | //\r | |
1724 | // 8042 controller is not setup yet:\r | |
1725 | // 8042 controller selftest;\r | |
1726 | // Don't enable mouse interface later.\r | |
1727 | //\r | |
1728 | //\r | |
1729 | // Disable keyboard and mouse interfaces\r | |
1730 | //\r | |
1731 | Status = KeyboardCommand (ConsoleIn, 0xad);\r | |
1732 | if (EFI_ERROR (Status)) {\r | |
1733 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1734 | goto Done;\r | |
1735 | }\r | |
1736 | \r | |
1737 | Status = KeyboardCommand (ConsoleIn, 0xa7);\r | |
1738 | if (EFI_ERROR (Status)) {\r | |
1739 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1740 | goto Done;\r | |
1741 | }\r | |
1742 | \r | |
1743 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1744 | EFI_PROGRESS_CODE,\r | |
1745 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,\r | |
1746 | ConsoleIn->DevicePath\r | |
1747 | );\r | |
1748 | //\r | |
1749 | // 8042 Controller Self Test\r | |
1750 | //\r | |
1751 | Status = KeyboardCommand (ConsoleIn, 0xaa);\r | |
1752 | if (EFI_ERROR (Status)) {\r | |
1753 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1754 | goto Done;\r | |
1755 | }\r | |
1756 | \r | |
1757 | Status = KeyboardWaitForValue (ConsoleIn, 0x55);\r | |
1758 | if (EFI_ERROR (Status)) {\r | |
1759 | KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");\r | |
1760 | goto Done;\r | |
1761 | }\r | |
1762 | //\r | |
1763 | // Don't enable mouse interface later\r | |
1764 | //\r | |
4fd730b3 | 1765 | mEnableMouseInterface = FALSE;\r |
05fbd06d | 1766 | \r |
1767 | }\r | |
1768 | \r | |
1769 | if (Ps2Policy != NULL) {\r | |
1770 | Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);\r | |
1771 | }\r | |
1772 | //\r | |
1773 | // Write 8042 Command Byte, set System Flag\r | |
1774 | // While at the same time:\r | |
1775 | // 1. disable mouse interface,\r | |
1776 | // 2. enable kbd interface,\r | |
1777 | // 3. enable PC/XT kbd translation mode\r | |
1778 | // 4. enable mouse and kbd interrupts\r | |
1779 | //\r | |
1780 | // ( Command Byte bits:\r | |
1781 | // 7: Reserved\r | |
1782 | // 6: PC/XT translation mode\r | |
1783 | // 5: Disable Auxiliary device interface\r | |
1784 | // 4: Disable keyboard interface\r | |
1785 | // 3: Reserved\r | |
1786 | // 2: System Flag\r | |
1787 | // 1: Enable Auxiliary device interrupt\r | |
1788 | // 0: Enable Keyboard interrupt )\r | |
1789 | //\r | |
1790 | Status = KeyboardCommand (ConsoleIn, 0x60);\r | |
1791 | if (EFI_ERROR (Status)) {\r | |
1792 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1793 | goto Done;\r | |
1794 | }\r | |
1795 | \r | |
1796 | Status = KeyboardWrite (ConsoleIn, 0x67);\r | |
1797 | if (EFI_ERROR (Status)) {\r | |
1798 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1799 | goto Done;\r | |
1800 | }\r | |
1801 | \r | |
1802 | //\r | |
1803 | // Clear Memory Scancode Buffer\r | |
1804 | //\r | |
1805 | ConsoleIn->ScancodeBufStartPos = 0;\r | |
1806 | ConsoleIn->ScancodeBufEndPos = KEYBOARD_BUFFER_MAX_COUNT - 1;\r | |
1807 | ConsoleIn->ScancodeBufCount = 0;\r | |
1808 | ConsoleIn->Ctrled = FALSE;\r | |
1809 | ConsoleIn->Alted = FALSE;\r | |
1810 | \r | |
1811 | //\r | |
1812 | // Reset the status indicators\r | |
1813 | //\r | |
1814 | ConsoleIn->Ctrl = FALSE;\r | |
1815 | ConsoleIn->Alt = FALSE;\r | |
1816 | ConsoleIn->Shift = FALSE;\r | |
1817 | ConsoleIn->CapsLock = FALSE;\r | |
1818 | ConsoleIn->NumLock = FALSE;\r | |
1819 | ConsoleIn->ScrollLock = FALSE;\r | |
f3d1e940 | 1820 | ConsoleIn->LeftShift = FALSE;\r |
1821 | ConsoleIn->RightShift = FALSE;\r | |
1822 | ConsoleIn->LeftLogo = FALSE;\r | |
1823 | ConsoleIn->RightLogo = FALSE;\r | |
1824 | ConsoleIn->Menu = FALSE;\r | |
1825 | ConsoleIn->SysReq = FALSE; \r | |
05fbd06d | 1826 | \r |
1827 | //\r | |
1828 | // For reseting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,\r | |
1829 | // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected\r | |
1830 | // to system. So we only do the real reseting for keyboard when user asks and there is a real KB connected t system,\r | |
1831 | // and normally during booting an OS, it's skipped.\r | |
1832 | //\r | |
1833 | if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {\r | |
1834 | //\r | |
1835 | // Additional verifications for keyboard interface\r | |
1836 | //\r | |
1837 | //\r | |
1838 | // Keyboard Interface Test\r | |
1839 | //\r | |
1840 | Status = KeyboardCommand (ConsoleIn, 0xab);\r | |
1841 | if (EFI_ERROR (Status)) {\r | |
1842 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1843 | goto Done;\r | |
1844 | }\r | |
1845 | \r | |
1846 | Status = KeyboardWaitForValue (ConsoleIn, 0x00);\r | |
1847 | if (EFI_ERROR (Status)) {\r | |
1848 | KeyboardError (\r | |
1849 | ConsoleIn,\r | |
1850 | L"Some specific value not aquired from 8042 controller!\n\r"\r | |
1851 | );\r | |
1852 | goto Done;\r | |
1853 | }\r | |
1854 | //\r | |
1855 | // Keyboard reset with a BAT(Basic Assurance Test)\r | |
1856 | //\r | |
1857 | Status = KeyboardWrite (ConsoleIn, 0xff);\r | |
1858 | if (EFI_ERROR (Status)) {\r | |
1859 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1860 | goto Done;\r | |
1861 | }\r | |
1862 | \r | |
1863 | Status = KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1864 | if (EFI_ERROR (Status)) {\r | |
1865 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1866 | goto Done;\r | |
1867 | }\r | |
1868 | //\r | |
1869 | // wait for BAT completion code\r | |
1870 | //\r | |
1871 | mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;\r | |
1872 | \r | |
1873 | Status = KeyboardWaitForValue (ConsoleIn, 0xaa);\r | |
1874 | if (EFI_ERROR (Status)) {\r | |
1875 | KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");\r | |
1876 | goto Done;\r | |
1877 | }\r | |
1878 | \r | |
1879 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
1880 | \r | |
1881 | //\r | |
1882 | // Set Keyboard to use Scan Code Set 2\r | |
1883 | //\r | |
1884 | Status = KeyboardWrite (ConsoleIn, 0xf0);\r | |
1885 | if (EFI_ERROR (Status)) {\r | |
1886 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1887 | goto Done;\r | |
1888 | }\r | |
1889 | \r | |
1890 | Status = KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1891 | if (EFI_ERROR (Status)) {\r | |
1892 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1893 | goto Done;\r | |
1894 | }\r | |
1895 | \r | |
1896 | Status = KeyboardWrite (ConsoleIn, 0x02);\r | |
1897 | if (EFI_ERROR (Status)) {\r | |
1898 | KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");\r | |
1899 | goto Done;\r | |
1900 | }\r | |
1901 | \r | |
1902 | Status = KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1903 | if (EFI_ERROR (Status)) {\r | |
1904 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1905 | goto Done;\r | |
1906 | }\r | |
1907 | \r | |
1908 | //\r | |
1909 | // Clear Keyboard Scancode Buffer\r | |
1910 | //\r | |
1911 | Status = KeyboardWrite (ConsoleIn, 0xf4);\r | |
1912 | if (EFI_ERROR (Status)) {\r | |
1913 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
1914 | goto Done;\r | |
1915 | }\r | |
1916 | \r | |
1917 | Status = KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
1918 | if (EFI_ERROR (Status)) {\r | |
1919 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
1920 | goto Done;\r | |
1921 | }\r | |
1922 | //\r | |
1923 | if (Ps2Policy != NULL) {\r | |
1924 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {\r | |
1925 | ConsoleIn->CapsLock = TRUE;\r | |
1926 | }\r | |
1927 | \r | |
1928 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {\r | |
1929 | ConsoleIn->NumLock = TRUE;\r | |
1930 | }\r | |
1931 | \r | |
1932 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {\r | |
1933 | ConsoleIn->ScrollLock = TRUE;\r | |
1934 | }\r | |
1935 | }\r | |
1936 | //\r | |
1937 | // Update Keyboard Lights\r | |
1938 | //\r | |
1939 | Status = UpdateStatusLights (ConsoleIn);\r | |
1940 | if (EFI_ERROR (Status)) {\r | |
1941 | KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");\r | |
1942 | goto Done;\r | |
1943 | }\r | |
1944 | }\r | |
1945 | //\r | |
1946 | // At last, we can now enable the mouse interface if appropriate\r | |
1947 | //\r | |
1948 | Done:\r | |
1949 | \r | |
4fd730b3 | 1950 | if (mEnableMouseInterface) {\r |
05fbd06d | 1951 | //\r |
1952 | // Enable mouse interface\r | |
1953 | //\r | |
1954 | Status1 = KeyboardCommand (ConsoleIn, 0xa8);\r | |
1955 | if (EFI_ERROR (Status1)) {\r | |
1956 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
1957 | return EFI_DEVICE_ERROR;\r | |
1958 | }\r | |
1959 | }\r | |
1960 | \r | |
1961 | if (!EFI_ERROR (Status)) {\r | |
1962 | return EFI_SUCCESS;\r | |
1963 | } else {\r | |
1964 | return EFI_DEVICE_ERROR;\r | |
1965 | }\r | |
1966 | \r | |
1967 | }\r | |
1968 | \r | |
bcd70414 | 1969 | /**\r |
05fbd06d | 1970 | Disable the keyboard interface of the 8042 controller\r |
1971 | \r | |
bcd70414 | 1972 | @param ConsoleIn - the device instance\r |
05fbd06d | 1973 | \r |
bcd70414 | 1974 | @return status of issuing disable command\r |
05fbd06d | 1975 | \r |
bcd70414 | 1976 | **/\r |
1977 | EFI_STATUS\r | |
1978 | DisableKeyboard (\r | |
1979 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
1980 | )\r | |
05fbd06d | 1981 | {\r |
1982 | EFI_STATUS Status;\r | |
1983 | \r | |
1984 | //\r | |
1985 | // Disable keyboard interface\r | |
1986 | //\r | |
1987 | Status = KeyboardCommand (ConsoleIn, 0xad);\r | |
1988 | if (EFI_ERROR (Status)) {\r | |
1989 | KeyboardError (ConsoleIn, L"\n\r");\r | |
1990 | return EFI_DEVICE_ERROR;\r | |
1991 | }\r | |
1992 | \r | |
1993 | return Status;\r | |
1994 | }\r | |
1995 | \r | |
1996 | /**\r | |
1997 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r | |
1998 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r | |
1999 | should not be in system.\r | |
2000 | \r | |
fdb05fa3 | 2001 | @param[in] ConsoleIn Keyboard Private Data Structure\r |
05fbd06d | 2002 | \r |
f3d1e940 | 2003 | @retval TRUE Keyboard in System.\r |
2004 | @retval FALSE Keyboard not in System.\r | |
05fbd06d | 2005 | **/\r |
2006 | BOOLEAN\r | |
2007 | EFIAPI\r | |
2008 | CheckKeyboardConnect (\r | |
2009 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
2010 | )\r | |
2011 | {\r | |
2012 | EFI_STATUS Status;\r | |
2013 | UINTN WaitForValueTimeOutBcakup;\r | |
2014 | \r | |
2015 | Status = EFI_SUCCESS;\r | |
2016 | //\r | |
2017 | // enable keyboard itself and wait for its ack\r | |
2018 | // If can't receive ack, Keyboard should not be connected.\r | |
2019 | //\r | |
2020 | Status = KeyboardWrite (\r | |
2021 | ConsoleIn,\r | |
2022 | KEYBOARD_KBEN\r | |
2023 | );\r | |
2024 | \r | |
2025 | if (EFI_ERROR (Status)) {\r | |
2026 | return FALSE;\r | |
2027 | }\r | |
2028 | //\r | |
2029 | // wait for 1s\r | |
2030 | //\r | |
2031 | WaitForValueTimeOutBcakup = mWaitForValueTimeOut;\r | |
2032 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
2033 | Status = KeyboardWaitForValue (\r | |
2034 | ConsoleIn,\r | |
2035 | KEYBOARD_CMDECHO_ACK\r | |
2036 | );\r | |
2037 | mWaitForValueTimeOut = WaitForValueTimeOutBcakup;\r | |
2038 | \r | |
2039 | if (EFI_ERROR (Status)) {\r | |
2040 | return FALSE;\r | |
2041 | }\r | |
2042 | \r | |
2043 | return TRUE;\r | |
2044 | }\r | |
bcd70414 | 2045 | \r |