projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 4aa68cbc RN |
1 | /** @file\r |
| 2 | Routines that access 8042 keyboard controller\r | |
| 3 | \r | |
| 4 | Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | 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 | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #include "Ps2Keyboard.h"\r | |
| 16 | \r | |
| 17 | struct {\r | |
| 18 | UINT8 ScanCode; ///< follows value defined in Scan Code Set1\r | |
| 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 | |
| 28 | 0x0000,\r | |
| 29 | 0x0000\r | |
| 30 | },\r | |
| 31 | {\r | |
| 32 | 0x02,\r | |
| 33 | SCAN_NULL,\r | |
| 34 | L'1',\r | |
| 35 | L'!'\r | |
| 36 | },\r | |
| 37 | {\r | |
| 38 | 0x03,\r | |
| 39 | SCAN_NULL,\r | |
| 40 | L'2',\r | |
| 41 | L'@'\r | |
| 42 | },\r | |
| 43 | {\r | |
| 44 | 0x04,\r | |
| 45 | SCAN_NULL,\r | |
| 46 | L'3',\r | |
| 47 | L'#'\r | |
| 48 | },\r | |
| 49 | {\r | |
| 50 | 0x05,\r | |
| 51 | SCAN_NULL,\r | |
| 52 | L'4',\r | |
| 53 | L'$'\r | |
| 54 | },\r | |
| 55 | {\r | |
| 56 | 0x06,\r | |
| 57 | SCAN_NULL,\r | |
| 58 | L'5',\r | |
| 59 | L'%'\r | |
| 60 | },\r | |
| 61 | {\r | |
| 62 | 0x07,\r | |
| 63 | SCAN_NULL,\r | |
| 64 | L'6',\r | |
| 65 | L'^'\r | |
| 66 | },\r | |
| 67 | {\r | |
| 68 | 0x08,\r | |
| 69 | SCAN_NULL,\r | |
| 70 | L'7',\r | |
| 71 | L'&'\r | |
| 72 | },\r | |
| 73 | {\r | |
| 74 | 0x09,\r | |
| 75 | SCAN_NULL,\r | |
| 76 | L'8',\r | |
| 77 | L'*'\r | |
| 78 | },\r | |
| 79 | {\r | |
| 80 | 0x0A,\r | |
| 81 | SCAN_NULL,\r | |
| 82 | L'9',\r | |
| 83 | L'('\r | |
| 84 | },\r | |
| 85 | {\r | |
| 86 | 0x0B,\r | |
| 87 | SCAN_NULL,\r | |
| 88 | L'0',\r | |
| 89 | L')'\r | |
| 90 | },\r | |
| 91 | {\r | |
| 92 | 0x0C,\r | |
| 93 | SCAN_NULL,\r | |
| 94 | L'-',\r | |
| 95 | L'_'\r | |
| 96 | },\r | |
| 97 | {\r | |
| 98 | 0x0D,\r | |
| 99 | SCAN_NULL,\r | |
| 100 | L'=',\r | |
| 101 | L'+'\r | |
| 102 | },\r | |
| 103 | {\r | |
| 104 | 0x0E, // BackSpace\r | |
| 105 | SCAN_NULL,\r | |
| 106 | 0x0008,\r | |
| 107 | 0x0008\r | |
| 108 | },\r | |
| 109 | {\r | |
| 110 | 0x0F, // Tab\r | |
| 111 | SCAN_NULL,\r | |
| 112 | 0x0009,\r | |
| 113 | 0x0009\r | |
| 114 | },\r | |
| 115 | {\r | |
| 116 | 0x10,\r | |
| 117 | SCAN_NULL,\r | |
| 118 | L'q',\r | |
| 119 | L'Q'\r | |
| 120 | },\r | |
| 121 | {\r | |
| 122 | 0x11,\r | |
| 123 | SCAN_NULL,\r | |
| 124 | L'w',\r | |
| 125 | L'W'\r | |
| 126 | },\r | |
| 127 | {\r | |
| 128 | 0x12,\r | |
| 129 | SCAN_NULL,\r | |
| 130 | L'e',\r | |
| 131 | L'E'\r | |
| 132 | },\r | |
| 133 | {\r | |
| 134 | 0x13,\r | |
| 135 | SCAN_NULL,\r | |
| 136 | L'r',\r | |
| 137 | L'R'\r | |
| 138 | },\r | |
| 139 | {\r | |
| 140 | 0x14,\r | |
| 141 | SCAN_NULL,\r | |
| 142 | L't',\r | |
| 143 | L'T'\r | |
| 144 | },\r | |
| 145 | {\r | |
| 146 | 0x15,\r | |
| 147 | SCAN_NULL,\r | |
| 148 | L'y',\r | |
| 149 | L'Y'\r | |
| 150 | },\r | |
| 151 | {\r | |
| 152 | 0x16,\r | |
| 153 | SCAN_NULL,\r | |
| 154 | L'u',\r | |
| 155 | L'U'\r | |
| 156 | },\r | |
| 157 | {\r | |
| 158 | 0x17,\r | |
| 159 | SCAN_NULL,\r | |
| 160 | L'i',\r | |
| 161 | L'I'\r | |
| 162 | },\r | |
| 163 | {\r | |
| 164 | 0x18,\r | |
| 165 | SCAN_NULL,\r | |
| 166 | L'o',\r | |
| 167 | L'O'\r | |
| 168 | },\r | |
| 169 | {\r | |
| 170 | 0x19,\r | |
| 171 | SCAN_NULL,\r | |
| 172 | L'p',\r | |
| 173 | L'P'\r | |
| 174 | },\r | |
| 175 | {\r | |
| 176 | 0x1a,\r | |
| 177 | SCAN_NULL,\r | |
| 178 | L'[',\r | |
| 179 | L'{'\r | |
| 180 | },\r | |
| 181 | {\r | |
| 182 | 0x1b,\r | |
| 183 | SCAN_NULL,\r | |
| 184 | L']',\r | |
| 185 | L'}'\r | |
| 186 | },\r | |
| 187 | {\r | |
| 188 | 0x1c, // Enter\r | |
| 189 | SCAN_NULL,\r | |
| 190 | 0x000d,\r | |
| 191 | 0x000d\r | |
| 192 | },\r | |
| 193 | {\r | |
| 194 | 0x1d,\r | |
| 195 | SCAN_NULL,\r | |
| 196 | 0x0000,\r | |
| 197 | 0x0000\r | |
| 198 | },\r | |
| 199 | {\r | |
| 200 | 0x1e,\r | |
| 201 | SCAN_NULL,\r | |
| 202 | L'a',\r | |
| 203 | L'A'\r | |
| 204 | },\r | |
| 205 | {\r | |
| 206 | 0x1f,\r | |
| 207 | SCAN_NULL,\r | |
| 208 | L's',\r | |
| 209 | L'S'\r | |
| 210 | },\r | |
| 211 | {\r | |
| 212 | 0x20,\r | |
| 213 | SCAN_NULL,\r | |
| 214 | L'd',\r | |
| 215 | L'D'\r | |
| 216 | },\r | |
| 217 | {\r | |
| 218 | 0x21,\r | |
| 219 | SCAN_NULL,\r | |
| 220 | L'f',\r | |
| 221 | L'F'\r | |
| 222 | },\r | |
| 223 | {\r | |
| 224 | 0x22,\r | |
| 225 | SCAN_NULL,\r | |
| 226 | L'g',\r | |
| 227 | L'G'\r | |
| 228 | },\r | |
| 229 | {\r | |
| 230 | 0x23,\r | |
| 231 | SCAN_NULL,\r | |
| 232 | L'h',\r | |
| 233 | L'H'\r | |
| 234 | },\r | |
| 235 | {\r | |
| 236 | 0x24,\r | |
| 237 | SCAN_NULL,\r | |
| 238 | L'j',\r | |
| 239 | L'J'\r | |
| 240 | },\r | |
| 241 | {\r | |
| 242 | 0x25,\r | |
| 243 | SCAN_NULL,\r | |
| 244 | L'k',\r | |
| 245 | L'K'\r | |
| 246 | },\r | |
| 247 | {\r | |
| 248 | 0x26,\r | |
| 249 | SCAN_NULL,\r | |
| 250 | L'l',\r | |
| 251 | L'L'\r | |
| 252 | },\r | |
| 253 | {\r | |
| 254 | 0x27,\r | |
| 255 | SCAN_NULL,\r | |
| 256 | L';',\r | |
| 257 | L':'\r | |
| 258 | },\r | |
| 259 | {\r | |
| 260 | 0x28,\r | |
| 261 | SCAN_NULL,\r | |
| 262 | L'\'',\r | |
| 263 | L'"'\r | |
| 264 | },\r | |
| 265 | {\r | |
| 266 | 0x29,\r | |
| 267 | SCAN_NULL,\r | |
| 268 | L'`',\r | |
| 269 | L'~'\r | |
| 270 | },\r | |
| 271 | {\r | |
| 272 | 0x2a, // Left Shift\r | |
| 273 | SCAN_NULL,\r | |
| 274 | 0x0000,\r | |
| 275 | 0x0000\r | |
| 276 | },\r | |
| 277 | {\r | |
| 278 | 0x2b,\r | |
| 279 | SCAN_NULL,\r | |
| 280 | L'\\',\r | |
| 281 | L'|'\r | |
| 282 | },\r | |
| 283 | {\r | |
| 284 | 0x2c,\r | |
| 285 | SCAN_NULL,\r | |
| 286 | L'z',\r | |
| 287 | L'Z'\r | |
| 288 | },\r | |
| 289 | {\r | |
| 290 | 0x2d,\r | |
| 291 | SCAN_NULL,\r | |
| 292 | L'x',\r | |
| 293 | L'X'\r | |
| 294 | },\r | |
| 295 | {\r | |
| 296 | 0x2e,\r | |
| 297 | SCAN_NULL,\r | |
| 298 | L'c',\r | |
| 299 | L'C'\r | |
| 300 | },\r | |
| 301 | {\r | |
| 302 | 0x2f,\r | |
| 303 | SCAN_NULL,\r | |
| 304 | L'v',\r | |
| 305 | L'V'\r | |
| 306 | },\r | |
| 307 | {\r | |
| 308 | 0x30,\r | |
| 309 | SCAN_NULL,\r | |
| 310 | L'b',\r | |
| 311 | L'B'\r | |
| 312 | },\r | |
| 313 | {\r | |
| 314 | 0x31,\r | |
| 315 | SCAN_NULL,\r | |
| 316 | L'n',\r | |
| 317 | L'N'\r | |
| 318 | },\r | |
| 319 | {\r | |
| 320 | 0x32,\r | |
| 321 | SCAN_NULL,\r | |
| 322 | L'm',\r | |
| 323 | L'M'\r | |
| 324 | },\r | |
| 325 | {\r | |
| 326 | 0x33,\r | |
| 327 | SCAN_NULL,\r | |
| 328 | L',',\r | |
| 329 | L'<'\r | |
| 330 | },\r | |
| 331 | {\r | |
| 332 | 0x34,\r | |
| 333 | SCAN_NULL,\r | |
| 334 | L'.',\r | |
| 335 | L'>'\r | |
| 336 | },\r | |
| 337 | {\r | |
| 338 | 0x35,\r | |
| 339 | SCAN_NULL,\r | |
| 340 | L'/',\r | |
| 341 | L'?'\r | |
| 342 | },\r | |
| 343 | {\r | |
| 344 | 0x36, //Right Shift\r | |
| 345 | SCAN_NULL,\r | |
| 346 | 0x0000,\r | |
| 347 | 0x0000\r | |
| 348 | },\r | |
| 349 | {\r | |
| 350 | 0x37, // Numeric Keypad *\r | |
| 351 | SCAN_NULL,\r | |
| 352 | L'*',\r | |
| 353 | L'*'\r | |
| 354 | },\r | |
| 355 | {\r | |
| 356 | 0x38, //Left Alt/Extended Right Alt\r | |
| 357 | SCAN_NULL,\r | |
| 358 | 0x0000,\r | |
| 359 | 0x0000\r | |
| 360 | },\r | |
| 361 | {\r | |
| 362 | 0x39,\r | |
| 363 | SCAN_NULL,\r | |
| 364 | L' ',\r | |
| 365 | L' '\r | |
| 366 | },\r | |
| 367 | {\r | |
| 368 | 0x3A, //CapsLock\r | |
| 369 | SCAN_NULL,\r | |
| 370 | 0x0000,\r | |
| 371 | 0x0000\r | |
| 372 | },\r | |
| 373 | {\r | |
| 374 | 0x3B,\r | |
| 375 | SCAN_F1,\r | |
| 376 | 0x0000,\r | |
| 377 | 0x0000\r | |
| 378 | },\r | |
| 379 | {\r | |
| 380 | 0x3C,\r | |
| 381 | SCAN_F2,\r | |
| 382 | 0x0000,\r | |
| 383 | 0x0000\r | |
| 384 | },\r | |
| 385 | {\r | |
| 386 | 0x3D,\r | |
| 387 | SCAN_F3,\r | |
| 388 | 0x0000,\r | |
| 389 | 0x0000\r | |
| 390 | },\r | |
| 391 | {\r | |
| 392 | 0x3E,\r | |
| 393 | SCAN_F4,\r | |
| 394 | 0x0000,\r | |
| 395 | 0x0000\r | |
| 396 | },\r | |
| 397 | {\r | |
| 398 | 0x3F,\r | |
| 399 | SCAN_F5,\r | |
| 400 | 0x0000,\r | |
| 401 | 0x0000\r | |
| 402 | },\r | |
| 403 | {\r | |
| 404 | 0x40,\r | |
| 405 | SCAN_F6,\r | |
| 406 | 0x0000,\r | |
| 407 | 0x0000\r | |
| 408 | },\r | |
| 409 | {\r | |
| 410 | 0x41,\r | |
| 411 | SCAN_F7,\r | |
| 412 | 0x0000,\r | |
| 413 | 0x0000\r | |
| 414 | },\r | |
| 415 | {\r | |
| 416 | 0x42,\r | |
| 417 | SCAN_F8,\r | |
| 418 | 0x0000,\r | |
| 419 | 0x0000\r | |
| 420 | },\r | |
| 421 | {\r | |
| 422 | 0x43,\r | |
| 423 | SCAN_F9,\r | |
| 424 | 0x0000,\r | |
| 425 | 0x0000\r | |
| 426 | },\r | |
| 427 | {\r | |
| 428 | 0x44,\r | |
| 429 | SCAN_F10,\r | |
| 430 | 0x0000,\r | |
| 431 | 0x0000\r | |
| 432 | },\r | |
| 433 | {\r | |
| 434 | 0x45, // NumLock\r | |
| 435 | SCAN_NULL,\r | |
| 436 | 0x0000,\r | |
| 437 | 0x0000\r | |
| 438 | },\r | |
| 439 | {\r | |
| 440 | 0x46, // ScrollLock\r | |
| 441 | SCAN_NULL,\r | |
| 442 | 0x0000,\r | |
| 443 | 0x0000\r | |
| 444 | },\r | |
| 445 | {\r | |
| 446 | 0x47,\r | |
| 447 | SCAN_HOME,\r | |
| 448 | L'7',\r | |
| 449 | L'7'\r | |
| 450 | },\r | |
| 451 | {\r | |
| 452 | 0x48,\r | |
| 453 | SCAN_UP,\r | |
| 454 | L'8',\r | |
| 455 | L'8'\r | |
| 456 | },\r | |
| 457 | {\r | |
| 458 | 0x49,\r | |
| 459 | SCAN_PAGE_UP,\r | |
| 460 | L'9',\r | |
| 461 | L'9'\r | |
| 462 | },\r | |
| 463 | {\r | |
| 464 | 0x4a,\r | |
| 465 | SCAN_NULL,\r | |
| 466 | L'-',\r | |
| 467 | L'-'\r | |
| 468 | },\r | |
| 469 | {\r | |
| 470 | 0x4b,\r | |
| 471 | SCAN_LEFT,\r | |
| 472 | L'4',\r | |
| 473 | L'4'\r | |
| 474 | },\r | |
| 475 | {\r | |
| 476 | 0x4c, // Numeric Keypad 5\r | |
| 477 | SCAN_NULL,\r | |
| 478 | L'5',\r | |
| 479 | L'5'\r | |
| 480 | },\r | |
| 481 | {\r | |
| 482 | 0x4d,\r | |
| 483 | SCAN_RIGHT,\r | |
| 484 | L'6',\r | |
| 485 | L'6'\r | |
| 486 | },\r | |
| 487 | {\r | |
| 488 | 0x4e,\r | |
| 489 | SCAN_NULL,\r | |
| 490 | L'+',\r | |
| 491 | L'+'\r | |
| 492 | },\r | |
| 493 | {\r | |
| 494 | 0x4f,\r | |
| 495 | SCAN_END,\r | |
| 496 | L'1',\r | |
| 497 | L'1'\r | |
| 498 | },\r | |
| 499 | {\r | |
| 500 | 0x50,\r | |
| 501 | SCAN_DOWN,\r | |
| 502 | L'2',\r | |
| 503 | L'2'\r | |
| 504 | },\r | |
| 505 | {\r | |
| 506 | 0x51,\r | |
| 507 | SCAN_PAGE_DOWN,\r | |
| 508 | L'3',\r | |
| 509 | L'3'\r | |
| 510 | },\r | |
| 511 | {\r | |
| 512 | 0x52,\r | |
| 513 | SCAN_INSERT,\r | |
| 514 | L'0',\r | |
| 515 | L'0'\r | |
| 516 | },\r | |
| 517 | {\r | |
| 518 | 0x53,\r | |
| 519 | SCAN_DELETE,\r | |
| 520 | L'.',\r | |
| 521 | L'.'\r | |
| 522 | },\r | |
| 523 | {\r | |
| 524 | 0x57,\r | |
| 525 | SCAN_F11,\r | |
| 526 | 0x0000,\r | |
| 527 | 0x0000\r | |
| 528 | },\r | |
| 529 | {\r | |
| 530 | 0x58,\r | |
| 531 | SCAN_F12,\r | |
| 532 | 0x0000,\r | |
| 533 | 0x0000\r | |
| 534 | },\r | |
| 535 | {\r | |
| 536 | 0x5B, //Left LOGO\r | |
| 537 | SCAN_NULL,\r | |
| 538 | 0x0000,\r | |
| 539 | 0x0000\r | |
| 540 | },\r | |
| 541 | {\r | |
| 542 | 0x5C, //Right LOGO\r | |
| 543 | SCAN_NULL,\r | |
| 544 | 0x0000,\r | |
| 545 | 0x0000\r | |
| 546 | },\r | |
| 547 | {\r | |
| 548 | 0x5D, //Menu key\r | |
| 549 | SCAN_NULL,\r | |
| 550 | 0x0000,\r | |
| 551 | 0x0000\r | |
| 552 | },\r | |
| 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 | // The WaitForValue time out\r | |
| 563 | //\r | |
| 564 | UINTN mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
| 565 | \r | |
| 566 | BOOLEAN mEnableMouseInterface;\r | |
| 567 | \r | |
| 568 | \r | |
| 569 | \r | |
| 570 | /**\r | |
| 571 | Return the count of scancode in the queue.\r | |
| 572 | \r | |
| 573 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
| 574 | \r | |
| 575 | @return Count of the scancode.\r | |
| 576 | **/\r | |
| 577 | UINTN\r | |
| 578 | GetScancodeBufCount (\r | |
| 579 | IN SCAN_CODE_QUEUE *Queue\r | |
| 580 | )\r | |
| 581 | {\r | |
| 582 | if (Queue->Head <= Queue->Tail) {\r | |
| 583 | return Queue->Tail - Queue->Head;\r | |
| 584 | } else {\r | |
| 585 | return Queue->Tail + KEYBOARD_SCAN_CODE_MAX_COUNT - Queue->Head;\r | |
| 586 | }\r | |
| 587 | }\r | |
| 588 | \r | |
| 589 | /**\r | |
| 590 | Read several bytes from the scancode buffer without removing them.\r | |
| 591 | This function is called to see if there are enough bytes of scancode\r | |
| 592 | representing a single key.\r | |
| 593 | \r | |
| 594 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
| 595 | @param Count Number of bytes to be read\r | |
| 596 | @param Buf Store the results\r | |
| 597 | \r | |
| 598 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
| 599 | @retval EFI_NOT_READY invalid parameter\r | |
| 600 | **/\r | |
| 601 | EFI_STATUS\r | |
| 602 | GetScancodeBufHead (\r | |
| 603 | IN SCAN_CODE_QUEUE *Queue,\r | |
| 604 | IN UINTN Count,\r | |
| 605 | OUT UINT8 *Buf\r | |
| 606 | )\r | |
| 607 | {\r | |
| 608 | UINTN Index;\r | |
| 609 | UINTN Pos;\r | |
| 610 | \r | |
| 611 | //\r | |
| 612 | // check the valid range of parameter 'Count'\r | |
| 613 | //\r | |
| 614 | if (GetScancodeBufCount (Queue) < Count) {\r | |
| 615 | return EFI_NOT_READY;\r | |
| 616 | }\r | |
| 617 | //\r | |
| 618 | // retrieve the values\r | |
| 619 | //\r | |
| 620 | for (Index = 0, Pos = Queue->Head; Index < Count; Index++, Pos = (Pos + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {\r | |
| 621 | Buf[Index] = Queue->Buffer[Pos];\r | |
| 622 | }\r | |
| 623 | \r | |
| 624 | return EFI_SUCCESS;\r | |
| 625 | }\r | |
| 626 | \r | |
| 627 | /**\r | |
| 628 | \r | |
| 629 | Read & remove several bytes from the scancode buffer.\r | |
| 630 | This function is usually called after GetScancodeBufHead()\r | |
| 631 | \r | |
| 632 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
| 633 | @param Count Number of bytes to be read\r | |
| 634 | @param Buf Store the results\r | |
| 635 | \r | |
| 636 | @retval EFI_SUCCESS success to scan the keyboard code\r | |
| 637 | @retval EFI_NOT_READY invalid parameter\r | |
| 638 | **/\r | |
| 639 | EFI_STATUS\r | |
| 640 | PopScancodeBufHead (\r | |
| 641 | IN SCAN_CODE_QUEUE *Queue,\r | |
| 642 | IN UINTN Count,\r | |
| 643 | OUT UINT8 *Buf OPTIONAL\r | |
| 644 | )\r | |
| 645 | {\r | |
| 646 | UINTN Index;\r | |
| 647 | \r | |
| 648 | //\r | |
| 649 | // Check the valid range of parameter 'Count'\r | |
| 650 | //\r | |
| 651 | if (GetScancodeBufCount (Queue) < Count) {\r | |
| 652 | return EFI_NOT_READY;\r | |
| 653 | }\r | |
| 654 | //\r | |
| 655 | // Retrieve and remove the values\r | |
| 656 | //\r | |
| 657 | for (Index = 0; Index < Count; Index++, Queue->Head = (Queue->Head + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT) {\r | |
| 658 | if (Buf != NULL) {\r | |
| 659 | Buf[Index] = Queue->Buffer[Queue->Head];\r | |
| 660 | }\r | |
| 661 | }\r | |
| 662 | \r | |
| 663 | return EFI_SUCCESS;\r | |
| 664 | }\r | |
| 665 | \r | |
| 666 | /**\r | |
| 667 | Push one byte to the scancode buffer.\r | |
| 668 | \r | |
| 669 | @param Queue Pointer to instance of SCAN_CODE_QUEUE.\r | |
| 670 | @param Scancode The byte to push.\r | |
| 671 | **/\r | |
| 672 | VOID\r | |
| 673 | PushScancodeBufTail (\r | |
| 674 | IN SCAN_CODE_QUEUE *Queue,\r | |
| 675 | IN UINT8 Scancode\r | |
| 676 | )\r | |
| 677 | {\r | |
| 678 | if (GetScancodeBufCount (Queue) == KEYBOARD_SCAN_CODE_MAX_COUNT - 1) {\r | |
| 679 | PopScancodeBufHead (Queue, 1, NULL);\r | |
| 680 | }\r | |
| 681 | \r | |
| 682 | Queue->Buffer[Queue->Tail] = Scancode;\r | |
| 683 | Queue->Tail = (Queue->Tail + 1) % KEYBOARD_SCAN_CODE_MAX_COUNT;\r | |
| 684 | }\r | |
| 685 | \r | |
| 686 | /**\r | |
| 687 | Read data register .\r | |
| 688 | \r | |
| 689 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 690 | \r | |
| 691 | @return return the value\r | |
| 692 | \r | |
| 693 | **/\r | |
| 694 | UINT8\r | |
| 695 | KeyReadDataRegister (\r | |
| 696 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
| 697 | )\r | |
| 698 | \r | |
| 699 | {\r | |
| 700 | return IoRead8 (ConsoleIn->DataRegisterAddress);\r | |
| 701 | }\r | |
| 702 | \r | |
| 703 | /**\r | |
| 704 | Write data register.\r | |
| 705 | \r | |
| 706 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 707 | @param Data value wanted to be written\r | |
| 708 | \r | |
| 709 | **/\r | |
| 710 | VOID\r | |
| 711 | KeyWriteDataRegister (\r | |
| 712 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
| 713 | IN UINT8 Data\r | |
| 714 | )\r | |
| 715 | {\r | |
| 716 | IoWrite8 (ConsoleIn->DataRegisterAddress, Data);\r | |
| 717 | }\r | |
| 718 | \r | |
| 719 | /**\r | |
| 720 | Read status register.\r | |
| 721 | \r | |
| 722 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 723 | \r | |
| 724 | @return value in status register\r | |
| 725 | \r | |
| 726 | **/\r | |
| 727 | UINT8\r | |
| 728 | KeyReadStatusRegister (\r | |
| 729 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
| 730 | )\r | |
| 731 | {\r | |
| 732 | return IoRead8 (ConsoleIn->StatusRegisterAddress);\r | |
| 733 | }\r | |
| 734 | \r | |
| 735 | /**\r | |
| 736 | Write command register .\r | |
| 737 | \r | |
| 738 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 739 | @param Data The value wanted to be written\r | |
| 740 | \r | |
| 741 | **/\r | |
| 742 | VOID\r | |
| 743 | KeyWriteCommandRegister (\r | |
| 744 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
| 745 | IN UINT8 Data\r | |
| 746 | )\r | |
| 747 | {\r | |
| 748 | IoWrite8 (ConsoleIn->CommandRegisterAddress, Data);\r | |
| 749 | }\r | |
| 750 | \r | |
| 751 | /**\r | |
| 752 | Display error message.\r | |
| 753 | \r | |
| 754 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 755 | @param ErrMsg Unicode string of error message\r | |
| 756 | \r | |
| 757 | **/\r | |
| 758 | VOID\r | |
| 759 | KeyboardError (\r | |
| 760 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
| 761 | IN CHAR16 *ErrMsg\r | |
| 762 | )\r | |
| 763 | {\r | |
| 764 | ConsoleIn->KeyboardErr = TRUE;\r | |
| 765 | }\r | |
| 766 | \r | |
| 767 | /**\r | |
| 768 | Timer event handler: read a series of scancodes from 8042\r | |
| 769 | and put them into memory scancode buffer.\r | |
| 770 | it read as much scancodes to either fill\r | |
| 771 | the memory buffer or empty the keyboard buffer.\r | |
| 772 | It is registered as running under TPL_NOTIFY\r | |
| 773 | \r | |
| 774 | @param Event The timer event\r | |
| 775 | @param Context A KEYBOARD_CONSOLE_IN_DEV pointer\r | |
| 776 | \r | |
| 777 | **/\r | |
| 778 | VOID\r | |
| 779 | EFIAPI\r | |
| 780 | KeyboardTimerHandler (\r | |
| 781 | IN EFI_EVENT Event,\r | |
| 782 | IN VOID *Context\r | |
| 783 | )\r | |
| 784 | \r | |
| 785 | {\r | |
| 786 | UINT8 Data;\r | |
| 787 | EFI_TPL OldTpl;\r | |
| 788 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r | |
| 789 | \r | |
| 790 | ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *) Context;\r | |
| 791 | \r | |
| 792 | //\r | |
| 793 | // Enter critical section\r | |
| 794 | //\r | |
| 795 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
| 796 | \r | |
| 797 | if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {\r | |
| 798 | //\r | |
| 799 | // Leave critical section and return\r | |
| 800 | //\r | |
| 801 | gBS->RestoreTPL (OldTpl);\r | |
| 802 | return ;\r | |
| 803 | }\r | |
| 804 | \r | |
| 805 | //\r | |
| 806 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r | |
| 807 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r | |
| 808 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r | |
| 809 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r | |
| 810 | // Just skip the 'resend' process simply.\r | |
| 811 | //\r | |
| 812 | \r | |
| 813 | while ((KeyReadStatusRegister (ConsoleIn) & (KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT|KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA)) ==\r | |
| 814 | KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA\r | |
| 815 | ) {\r | |
| 816 | //\r | |
| 817 | // Read one byte of the scan code and store it into the memory buffer\r | |
| 818 | //\r | |
| 819 | Data = KeyReadDataRegister (ConsoleIn);\r | |
| 820 | PushScancodeBufTail (&ConsoleIn->ScancodeQueue, Data);\r | |
| 821 | }\r | |
| 822 | KeyGetchar (ConsoleIn);\r | |
| 823 | \r | |
| 824 | //\r | |
| 825 | // Leave critical section and return\r | |
| 826 | //\r | |
| 827 | gBS->RestoreTPL (OldTpl);\r | |
| 828 | }\r | |
| 829 | \r | |
| 830 | /**\r | |
| 831 | Read key value .\r | |
| 832 | \r | |
| 833 | @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 834 | @param Data - Pointer to outof buffer for keeping key value\r | |
| 835 | \r | |
| 836 | @retval EFI_TIMEOUT Status resigter time out\r | |
| 837 | @retval EFI_SUCCESS Success to read keyboard\r | |
| 838 | \r | |
| 839 | **/\r | |
| 840 | EFI_STATUS\r | |
| 841 | KeyboardRead (\r | |
| 842 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
| 843 | OUT UINT8 *Data\r | |
| 844 | )\r | |
| 845 | \r | |
| 846 | {\r | |
| 847 | UINT32 TimeOut;\r | |
| 848 | UINT32 RegFilled;\r | |
| 849 | \r | |
| 850 | TimeOut = 0;\r | |
| 851 | RegFilled = 0;\r | |
| 852 | \r | |
| 853 | //\r | |
| 854 | // wait till output buffer full then perform the read\r | |
| 855 | //\r | |
| 856 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
| 857 | if (KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) {\r | |
| 858 | RegFilled = 1;\r | |
| 859 | *Data = KeyReadDataRegister (ConsoleIn);\r | |
| 860 | break;\r | |
| 861 | }\r | |
| 862 | \r | |
| 863 | MicroSecondDelay (30);\r | |
| 864 | }\r | |
| 865 | \r | |
| 866 | if (RegFilled == 0) {\r | |
| 867 | return EFI_TIMEOUT;\r | |
| 868 | }\r | |
| 869 | \r | |
| 870 | return EFI_SUCCESS;\r | |
| 871 | }\r | |
| 872 | \r | |
| 873 | /**\r | |
| 874 | write key to keyboard\r | |
| 875 | \r | |
| 876 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 877 | @param Data value wanted to be written\r | |
| 878 | \r | |
| 879 | @retval EFI_TIMEOUT The input buffer register is full for putting new value util timeout\r | |
| 880 | @retval EFI_SUCCESS The new value is sucess put into input buffer register.\r | |
| 881 | \r | |
| 882 | **/\r | |
| 883 | EFI_STATUS\r | |
| 884 | KeyboardWrite (\r | |
| 885 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
| 886 | IN UINT8 Data\r | |
| 887 | )\r | |
| 888 | {\r | |
| 889 | UINT32 TimeOut;\r | |
| 890 | UINT32 RegEmptied;\r | |
| 891 | \r | |
| 892 | TimeOut = 0;\r | |
| 893 | RegEmptied = 0;\r | |
| 894 | \r | |
| 895 | //\r | |
| 896 | // wait for input buffer empty\r | |
| 897 | //\r | |
| 898 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
| 899 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r | |
| 900 | RegEmptied = 1;\r | |
| 901 | break;\r | |
| 902 | }\r | |
| 903 | \r | |
| 904 | MicroSecondDelay (30);\r | |
| 905 | }\r | |
| 906 | \r | |
| 907 | if (RegEmptied == 0) {\r | |
| 908 | return EFI_TIMEOUT;\r | |
| 909 | }\r | |
| 910 | //\r | |
| 911 | // Write it\r | |
| 912 | //\r | |
| 913 | KeyWriteDataRegister (ConsoleIn, Data);\r | |
| 914 | \r | |
| 915 | return EFI_SUCCESS;\r | |
| 916 | }\r | |
| 917 | \r | |
| 918 | /**\r | |
| 919 | Issue keyboard command.\r | |
| 920 | \r | |
| 921 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 922 | @param Data The buff holding the command\r | |
| 923 | \r | |
| 924 | @retval EFI_TIMEOUT Keyboard is not ready to issuing\r | |
| 925 | @retval EFI_SUCCESS Success to issue keyboard command\r | |
| 926 | \r | |
| 927 | **/\r | |
| 928 | EFI_STATUS\r | |
| 929 | KeyboardCommand (\r | |
| 930 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
| 931 | IN UINT8 Data\r | |
| 932 | )\r | |
| 933 | {\r | |
| 934 | UINT32 TimeOut;\r | |
| 935 | UINT32 RegEmptied;\r | |
| 936 | \r | |
| 937 | TimeOut = 0;\r | |
| 938 | RegEmptied = 0;\r | |
| 939 | \r | |
| 940 | //\r | |
| 941 | // Wait For Input Buffer Empty\r | |
| 942 | //\r | |
| 943 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
| 944 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r | |
| 945 | RegEmptied = 1;\r | |
| 946 | break;\r | |
| 947 | }\r | |
| 948 | \r | |
| 949 | MicroSecondDelay (30);\r | |
| 950 | }\r | |
| 951 | \r | |
| 952 | if (RegEmptied == 0) {\r | |
| 953 | return EFI_TIMEOUT;\r | |
| 954 | }\r | |
| 955 | //\r | |
| 956 | // issue the command\r | |
| 957 | //\r | |
| 958 | KeyWriteCommandRegister (ConsoleIn, Data);\r | |
| 959 | \r | |
| 960 | //\r | |
| 961 | // Wait For Input Buffer Empty again\r | |
| 962 | //\r | |
| 963 | RegEmptied = 0;\r | |
| 964 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
| 965 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r | |
| 966 | RegEmptied = 1;\r | |
| 967 | break;\r | |
| 968 | }\r | |
| 969 | \r | |
| 970 | MicroSecondDelay (30);\r | |
| 971 | }\r | |
| 972 | \r | |
| 973 | if (RegEmptied == 0) {\r | |
| 974 | return EFI_TIMEOUT;\r | |
| 975 | }\r | |
| 976 | \r | |
| 977 | return EFI_SUCCESS;\r | |
| 978 | }\r | |
| 979 | \r | |
| 980 | /**\r | |
| 981 | wait for a specific value to be presented on\r | |
| 982 | 8042 Data register by keyboard and then read it,\r | |
| 983 | used in keyboard commands ack\r | |
| 984 | \r | |
| 985 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 986 | @param Value the value wanted to be waited.\r | |
| 987 | \r | |
| 988 | @retval EFI_TIMEOUT Fail to get specific value in given time\r | |
| 989 | @retval EFI_SUCCESS Success to get specific value in given time.\r | |
| 990 | \r | |
| 991 | **/\r | |
| 992 | EFI_STATUS\r | |
| 993 | KeyboardWaitForValue (\r | |
| 994 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
| 995 | IN UINT8 Value\r | |
| 996 | )\r | |
| 997 | {\r | |
| 998 | UINT8 Data;\r | |
| 999 | UINT32 TimeOut;\r | |
| 1000 | UINT32 SumTimeOut;\r | |
| 1001 | UINT32 GotIt;\r | |
| 1002 | \r | |
| 1003 | GotIt = 0;\r | |
| 1004 | TimeOut = 0;\r | |
| 1005 | SumTimeOut = 0;\r | |
| 1006 | \r | |
| 1007 | //\r | |
| 1008 | // Make sure the initial value of 'Data' is different from 'Value'\r | |
| 1009 | //\r | |
| 1010 | Data = 0;\r | |
| 1011 | if (Data == Value) {\r | |
| 1012 | Data = 1;\r | |
| 1013 | }\r | |
| 1014 | //\r | |
| 1015 | // Read from 8042 (multiple times if needed)\r | |
| 1016 | // until the expected value appears\r | |
| 1017 | // use SumTimeOut to control the iteration\r | |
| 1018 | //\r | |
| 1019 | while (1) {\r | |
| 1020 | //\r | |
| 1021 | // Perform a read\r | |
| 1022 | //\r | |
| 1023 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r | |
| 1024 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r | |
| 1025 | Data = KeyReadDataRegister (ConsoleIn);\r | |
| 1026 | break;\r | |
| 1027 | }\r | |
| 1028 | \r | |
| 1029 | MicroSecondDelay (30);\r | |
| 1030 | }\r | |
| 1031 | \r | |
| 1032 | SumTimeOut += TimeOut;\r | |
| 1033 | \r | |
| 1034 | if (Data == Value) {\r | |
| 1035 | GotIt = 1;\r | |
| 1036 | break;\r | |
| 1037 | }\r | |
| 1038 | \r | |
| 1039 | if (SumTimeOut >= mWaitForValueTimeOut) {\r | |
| 1040 | break;\r | |
| 1041 | }\r | |
| 1042 | }\r | |
| 1043 | //\r | |
| 1044 | // Check results\r | |
| 1045 | //\r | |
| 1046 | if (GotIt == 1) {\r | |
| 1047 | return EFI_SUCCESS;\r | |
| 1048 | } else {\r | |
| 1049 | return EFI_TIMEOUT;\r | |
| 1050 | }\r | |
| 1051 | \r | |
| 1052 | }\r | |
| 1053 | \r | |
| 1054 | /**\r | |
| 1055 | Show keyboard status lights according to\r | |
| 1056 | indicators in ConsoleIn.\r | |
| 1057 | \r | |
| 1058 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r | |
| 1059 | \r | |
| 1060 | @return status of updating keyboard register\r | |
| 1061 | \r | |
| 1062 | **/\r | |
| 1063 | EFI_STATUS\r | |
| 1064 | UpdateStatusLights (\r | |
| 1065 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
| 1066 | )\r | |
| 1067 | {\r | |
| 1068 | EFI_STATUS Status;\r | |
| 1069 | UINT8 Command;\r | |
| 1070 | \r | |
| 1071 | //\r | |
| 1072 | // Send keyboard command\r | |
| 1073 | //\r | |
| 1074 | Status = KeyboardWrite (ConsoleIn, 0xed);\r | |
| 1075 | if (EFI_ERROR (Status)) {\r | |
| 1076 | return Status;\r | |
| 1077 | }\r | |
| 1078 | \r | |
| 1079 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
| 1080 | \r | |
| 1081 | //\r | |
| 1082 | // Light configuration\r | |
| 1083 | //\r | |
| 1084 | Command = 0;\r | |
| 1085 | if (ConsoleIn->CapsLock) {\r | |
| 1086 | Command |= 4;\r | |
| 1087 | }\r | |
| 1088 | \r | |
| 1089 | if (ConsoleIn->NumLock) {\r | |
| 1090 | Command |= 2;\r | |
| 1091 | }\r | |
| 1092 | \r | |
| 1093 | if (ConsoleIn->ScrollLock) {\r | |
| 1094 | Command |= 1;\r | |
| 1095 | }\r | |
| 1096 | \r | |
| 1097 | Status = KeyboardWrite (ConsoleIn, Command);\r | |
| 1098 | \r | |
| 1099 | if (EFI_ERROR (Status)) {\r | |
| 1100 | return Status;\r | |
| 1101 | }\r | |
| 1102 | \r | |
| 1103 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r | |
| 1104 | return Status;\r | |
| 1105 | }\r | |
| 1106 | \r | |
| 1107 | /**\r | |
| 1108 | Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.\r | |
| 1109 | \r | |
| 1110 | The function is always called in TPL_NOTIFY.\r | |
| 1111 | \r | |
| 1112 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r | |
| 1113 | \r | |
| 1114 | **/\r | |
| 1115 | VOID\r | |
| 1116 | KeyGetchar (\r | |
| 1117 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
| 1118 | )\r | |
| 1119 | {\r | |
| 1120 | EFI_STATUS Status;\r | |
| 1121 | UINT16 ScanCode;\r | |
| 1122 | BOOLEAN Extend0;\r | |
| 1123 | BOOLEAN Extend1;\r | |
| 1124 | UINTN Index;\r | |
| 1125 | EFI_KEY_DATA KeyData;\r | |
| 1126 | LIST_ENTRY *Link;\r | |
| 1127 | KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
| 1128 | //\r | |
| 1129 | // 3 bytes most\r | |
| 1130 | //\r | |
| 1131 | UINT8 ScancodeArr[3];\r | |
| 1132 | UINT32 ScancodeArrPos;\r | |
| 1133 | \r | |
| 1134 | //\r | |
| 1135 | // Check if there are enough bytes of scancode representing a single key\r | |
| 1136 | // available in the buffer\r | |
| 1137 | //\r | |
| 1138 | while (TRUE) {\r | |
| 1139 | Extend0 = FALSE;\r | |
| 1140 | Extend1 = FALSE;\r | |
| 1141 | ScancodeArrPos = 0;\r | |
| 1142 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
| 1143 | if (EFI_ERROR (Status)) {\r | |
| 1144 | return ;\r | |
| 1145 | }\r | |
| 1146 | \r | |
| 1147 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED0) {\r | |
| 1148 | //\r | |
| 1149 | // E0 to look ahead 2 bytes\r | |
| 1150 | //\r | |
| 1151 | Extend0 = TRUE;\r | |
| 1152 | ScancodeArrPos = 1;\r | |
| 1153 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
| 1154 | if (EFI_ERROR (Status)) {\r | |
| 1155 | return ;\r | |
| 1156 | }\r | |
| 1157 | } else if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {\r | |
| 1158 | //\r | |
| 1159 | // E1 to look ahead 3 bytes\r | |
| 1160 | //\r | |
| 1161 | Extend1 = TRUE;\r | |
| 1162 | ScancodeArrPos = 2;\r | |
| 1163 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
| 1164 | if (EFI_ERROR (Status)) {\r | |
| 1165 | return ;\r | |
| 1166 | }\r | |
| 1167 | }\r | |
| 1168 | //\r | |
| 1169 | // if we reach this position, scancodes for a key is in buffer now,pop them\r | |
| 1170 | //\r | |
| 1171 | Status = PopScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r | |
| 1172 | ASSERT_EFI_ERROR (Status);\r | |
| 1173 | \r | |
| 1174 | //\r | |
| 1175 | // store the last available byte, this byte of scancode will be checked\r | |
| 1176 | //\r | |
| 1177 | ScanCode = ScancodeArr[ScancodeArrPos];\r | |
| 1178 | \r | |
| 1179 | if (!Extend1) {\r | |
| 1180 | //\r | |
| 1181 | // Check for special keys and update the driver state.\r | |
| 1182 | //\r | |
| 1183 | switch (ScanCode) {\r | |
| 1184 | \r | |
| 1185 | case SCANCODE_CTRL_MAKE:\r | |
| 1186 | if (Extend0) {\r | |
| 1187 | ConsoleIn->RightCtrl = TRUE;\r | |
| 1188 | } else {\r | |
| 1189 | ConsoleIn->LeftCtrl = TRUE;\r | |
| 1190 | }\r | |
| 1191 | break;\r | |
| 1192 | case SCANCODE_CTRL_BREAK:\r | |
| 1193 | if (Extend0) {\r | |
| 1194 | ConsoleIn->RightCtrl = FALSE;\r | |
| 1195 | } else {\r | |
| 1196 | ConsoleIn->LeftCtrl = FALSE;\r | |
| 1197 | }\r | |
| 1198 | break;\r | |
| 1199 | \r | |
| 1200 | case SCANCODE_ALT_MAKE:\r | |
| 1201 | if (Extend0) {\r | |
| 1202 | ConsoleIn->RightAlt = TRUE;\r | |
| 1203 | } else {\r | |
| 1204 | ConsoleIn->LeftAlt = TRUE;\r | |
| 1205 | }\r | |
| 1206 | break;\r | |
| 1207 | case SCANCODE_ALT_BREAK:\r | |
| 1208 | if (Extend0) {\r | |
| 1209 | ConsoleIn->RightAlt = FALSE;\r | |
| 1210 | } else {\r | |
| 1211 | ConsoleIn->LeftAlt = FALSE;\r | |
| 1212 | }\r | |
| 1213 | break;\r | |
| 1214 | \r | |
| 1215 | case SCANCODE_LEFT_SHIFT_MAKE:\r | |
| 1216 | //\r | |
| 1217 | // To avoid recognize PRNT_SCRN key as a L_SHIFT key\r | |
| 1218 | // because PRNT_SCRN key generates E0 followed by L_SHIFT scan code.\r | |
| 1219 | // If it the second byte of the PRNT_ScRN skip it.\r | |
| 1220 | //\r | |
| 1221 | if (!Extend0) {\r | |
| 1222 | ConsoleIn->LeftShift = TRUE;\r | |
| 1223 | break;\r | |
| 1224 | }\r | |
| 1225 | continue;\r | |
| 1226 | \r | |
| 1227 | case SCANCODE_LEFT_SHIFT_BREAK:\r | |
| 1228 | if (!Extend0) {\r | |
| 1229 | ConsoleIn->LeftShift = FALSE;\r | |
| 1230 | }\r | |
| 1231 | break;\r | |
| 1232 | \r | |
| 1233 | case SCANCODE_RIGHT_SHIFT_MAKE:\r | |
| 1234 | ConsoleIn->RightShift = TRUE;\r | |
| 1235 | break;\r | |
| 1236 | case SCANCODE_RIGHT_SHIFT_BREAK:\r | |
| 1237 | ConsoleIn->RightShift = FALSE;\r | |
| 1238 | break;\r | |
| 1239 | \r | |
| 1240 | case SCANCODE_LEFT_LOGO_MAKE:\r | |
| 1241 | ConsoleIn->LeftLogo = TRUE;\r | |
| 1242 | break;\r | |
| 1243 | case SCANCODE_LEFT_LOGO_BREAK:\r | |
| 1244 | ConsoleIn->LeftLogo = FALSE;\r | |
| 1245 | break;\r | |
| 1246 | \r | |
| 1247 | case SCANCODE_RIGHT_LOGO_MAKE:\r | |
| 1248 | ConsoleIn->RightLogo = TRUE;\r | |
| 1249 | break;\r | |
| 1250 | case SCANCODE_RIGHT_LOGO_BREAK:\r | |
| 1251 | ConsoleIn->RightLogo = FALSE;\r | |
| 1252 | break;\r | |
| 1253 | \r | |
| 1254 | case SCANCODE_MENU_MAKE:\r | |
| 1255 | ConsoleIn->Menu = TRUE;\r | |
| 1256 | break;\r | |
| 1257 | case SCANCODE_MENU_BREAK:\r | |
| 1258 | ConsoleIn->Menu = FALSE;\r | |
| 1259 | break;\r | |
| 1260 | \r | |
| 1261 | case SCANCODE_SYS_REQ_MAKE:\r | |
| 1262 | if (Extend0) {\r | |
| 1263 | ConsoleIn->SysReq = TRUE;\r | |
| 1264 | }\r | |
| 1265 | break;\r | |
| 1266 | case SCANCODE_SYS_REQ_BREAK:\r | |
| 1267 | if (Extend0) {\r | |
| 1268 | ConsoleIn->SysReq = FALSE;\r | |
| 1269 | }\r | |
| 1270 | break;\r | |
| 1271 | \r | |
| 1272 | case SCANCODE_SYS_REQ_MAKE_WITH_ALT:\r | |
| 1273 | ConsoleIn->SysReq = TRUE;\r | |
| 1274 | break;\r | |
| 1275 | case SCANCODE_SYS_REQ_BREAK_WITH_ALT:\r | |
| 1276 | ConsoleIn->SysReq = FALSE;\r | |
| 1277 | break;\r | |
| 1278 | \r | |
| 1279 | case SCANCODE_CAPS_LOCK_MAKE:\r | |
| 1280 | ConsoleIn->CapsLock = (BOOLEAN)!ConsoleIn->CapsLock;\r | |
| 1281 | UpdateStatusLights (ConsoleIn);\r | |
| 1282 | break;\r | |
| 1283 | case SCANCODE_NUM_LOCK_MAKE:\r | |
| 1284 | ConsoleIn->NumLock = (BOOLEAN)!ConsoleIn->NumLock;\r | |
| 1285 | UpdateStatusLights (ConsoleIn);\r | |
| 1286 | break;\r | |
| 1287 | case SCANCODE_SCROLL_LOCK_MAKE:\r | |
| 1288 | if (!Extend0) {\r | |
| 1289 | ConsoleIn->ScrollLock = (BOOLEAN)!ConsoleIn->ScrollLock;\r | |
| 1290 | UpdateStatusLights (ConsoleIn);\r | |
| 1291 | }\r | |
| 1292 | break;\r | |
| 1293 | }\r | |
| 1294 | }\r | |
| 1295 | \r | |
| 1296 | //\r | |
| 1297 | // If this is above the valid range, ignore it\r | |
| 1298 | //\r | |
| 1299 | if (ScanCode >= SCANCODE_MAX_MAKE) {\r | |
| 1300 | continue;\r | |
| 1301 | } else {\r | |
| 1302 | break;\r | |
| 1303 | }\r | |
| 1304 | }\r | |
| 1305 | \r | |
| 1306 | //\r | |
| 1307 | // Handle Ctrl+Alt+Del hotkey\r | |
| 1308 | //\r | |
| 1309 | if ((ConsoleIn->LeftCtrl || ConsoleIn->RightCtrl) &&\r | |
| 1310 | (ConsoleIn->LeftAlt || ConsoleIn->RightAlt ) &&\r | |
| 1311 | ScanCode == SCANCODE_DELETE_MAKE\r | |
| 1312 | ) {\r | |
| 1313 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
| 1314 | }\r | |
| 1315 | \r | |
| 1316 | //\r | |
| 1317 | // Save the Shift/Toggle state\r | |
| 1318 | //\r | |
| 1319 | KeyData.KeyState.KeyShiftState = (UINT32) (EFI_SHIFT_STATE_VALID\r | |
| 1320 | | (ConsoleIn->LeftCtrl ? EFI_LEFT_CONTROL_PRESSED : 0)\r | |
| 1321 | | (ConsoleIn->RightCtrl ? EFI_RIGHT_CONTROL_PRESSED : 0)\r | |
| 1322 | | (ConsoleIn->LeftAlt ? EFI_LEFT_ALT_PRESSED : 0)\r | |
| 1323 | | (ConsoleIn->RightAlt ? EFI_RIGHT_ALT_PRESSED : 0)\r | |
| 1324 | | (ConsoleIn->LeftShift ? EFI_LEFT_SHIFT_PRESSED : 0)\r | |
| 1325 | | (ConsoleIn->RightShift ? EFI_RIGHT_SHIFT_PRESSED : 0)\r | |
| 1326 | | (ConsoleIn->LeftLogo ? EFI_LEFT_LOGO_PRESSED : 0)\r | |
| 1327 | | (ConsoleIn->RightLogo ? EFI_RIGHT_LOGO_PRESSED : 0)\r | |
| 1328 | | (ConsoleIn->Menu ? EFI_MENU_KEY_PRESSED : 0)\r | |
| 1329 | | (ConsoleIn->SysReq ? EFI_SYS_REQ_PRESSED : 0)\r | |
| 1330 | );\r | |
| 1331 | KeyData.KeyState.KeyToggleState = (EFI_KEY_TOGGLE_STATE) (EFI_TOGGLE_STATE_VALID\r | |
| 1332 | | (ConsoleIn->CapsLock ? EFI_CAPS_LOCK_ACTIVE : 0)\r | |
| 1333 | | (ConsoleIn->NumLock ? EFI_NUM_LOCK_ACTIVE : 0)\r | |
| 1334 | | (ConsoleIn->ScrollLock ? EFI_SCROLL_LOCK_ACTIVE : 0)\r | |
| 1335 | | (ConsoleIn->IsSupportPartialKey ? EFI_KEY_STATE_EXPOSED : 0)\r | |
| 1336 | );\r | |
| 1337 | \r | |
| 1338 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
| 1339 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
| 1340 | \r | |
| 1341 | //\r | |
| 1342 | // Key Pad "/" shares the same scancode as that of "/" except Key Pad "/" has E0 prefix\r | |
| 1343 | //\r | |
| 1344 | if (Extend0 && ScanCode == 0x35) {\r | |
| 1345 | KeyData.Key.UnicodeChar = L'/';\r | |
| 1346 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
| 1347 | \r | |
| 1348 | //\r | |
| 1349 | // PAUSE shares the same scancode as that of NUM except PAUSE has E1 prefix\r | |
| 1350 | //\r | |
| 1351 | } else if (Extend1 && ScanCode == SCANCODE_NUM_LOCK_MAKE) {\r | |
| 1352 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
| 1353 | KeyData.Key.ScanCode = SCAN_PAUSE;\r | |
| 1354 | \r | |
| 1355 | //\r | |
| 1356 | // PAUSE shares the same scancode as that of SCROLL except PAUSE (CTRL pressed) has E0 prefix\r | |
| 1357 | //\r | |
| 1358 | } else if (Extend0 && ScanCode == SCANCODE_SCROLL_LOCK_MAKE) {\r | |
| 1359 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
| 1360 | KeyData.Key.ScanCode = SCAN_PAUSE;\r | |
| 1361 | \r | |
| 1362 | //\r | |
| 1363 | // PRNT_SCRN shares the same scancode as that of Key Pad "*" except PRNT_SCRN has E0 prefix\r | |
| 1364 | //\r | |
| 1365 | } else if (Extend0 && ScanCode == SCANCODE_SYS_REQ_MAKE) {\r | |
| 1366 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
| 1367 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
| 1368 | \r | |
| 1369 | //\r | |
| 1370 | // Except the above special case, all others can be handled by convert table\r | |
| 1371 | //\r | |
| 1372 | } else {\r | |
| 1373 | for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index++) {\r | |
| 1374 | if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {\r | |
| 1375 | KeyData.Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;\r | |
| 1376 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r | |
| 1377 | \r | |
| 1378 | if ((ConsoleIn->LeftShift || ConsoleIn->RightShift) &&\r | |
| 1379 | (ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar != ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar)) {\r | |
| 1380 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r | |
| 1381 | //\r | |
| 1382 | // Need not return associated shift state if a class of printable characters that\r | |
| 1383 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r | |
| 1384 | //\r | |
| 1385 | KeyData.KeyState.KeyShiftState &= ~(EFI_LEFT_SHIFT_PRESSED | EFI_RIGHT_SHIFT_PRESSED);\r | |
| 1386 | }\r | |
| 1387 | //\r | |
| 1388 | // alphabetic key is affected by CapsLock State\r | |
| 1389 | //\r | |
| 1390 | if (ConsoleIn->CapsLock) {\r | |
| 1391 | if (KeyData.Key.UnicodeChar >= L'a' && KeyData.Key.UnicodeChar <= L'z') {\r | |
| 1392 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'a' + L'A');\r | |
| 1393 | } else if (KeyData.Key.UnicodeChar >= L'A' && KeyData.Key.UnicodeChar <= L'Z') {\r | |
| 1394 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'A' + L'a');\r | |
| 1395 | }\r | |
| 1396 | }\r | |
| 1397 | break;\r | |
| 1398 | }\r | |
| 1399 | }\r | |
| 1400 | }\r | |
| 1401 | \r | |
| 1402 | //\r | |
| 1403 | // distinguish numeric key pad keys' 'up symbol' and 'down symbol'\r | |
| 1404 | //\r | |
| 1405 | if (ScanCode >= 0x47 && ScanCode <= 0x53) {\r | |
| 1406 | if (ConsoleIn->NumLock && !(ConsoleIn->LeftShift || ConsoleIn->RightShift) && !Extend0) {\r | |
| 1407 | KeyData.Key.ScanCode = SCAN_NULL;\r | |
| 1408 | } else if (ScanCode != 0x4a && ScanCode != 0x4e) {\r | |
| 1409 | KeyData.Key.UnicodeChar = CHAR_NULL;\r | |
| 1410 | }\r | |
| 1411 | }\r | |
| 1412 | \r | |
| 1413 | //\r | |
| 1414 | // If the key can not be converted then just return.\r | |
| 1415 | //\r | |
| 1416 | if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {\r | |
| 1417 | if (!ConsoleIn->IsSupportPartialKey) {\r | |
| 1418 | return ;\r | |
| 1419 | }\r | |
| 1420 | }\r | |
| 1421 | \r | |
| 1422 | //\r | |
| 1423 | // Invoke notification functions if exist\r | |
| 1424 | //\r | |
| 1425 | for (Link = GetFirstNode (&ConsoleIn->NotifyList); !IsNull (&ConsoleIn->NotifyList, Link); Link = GetNextNode (&ConsoleIn->NotifyList, Link)) {\r | |
| 1426 | CurrentNotify = CR (\r | |
| 1427 | Link,\r | |
| 1428 | KEYBOARD_CONSOLE_IN_EX_NOTIFY,\r | |
| 1429 | NotifyEntry,\r | |
| 1430 | KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
| 1431 | );\r | |
| 1432 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r | |
| 1433 | CurrentNotify->KeyNotificationFn (&KeyData);\r | |
| 1434 | }\r | |
| 1435 | }\r | |
| 1436 | \r | |
| 1437 | PushEfikeyBufTail (&ConsoleIn->EfiKeyQueue, &KeyData);\r | |
| 1438 | }\r | |
| 1439 | \r | |
| 1440 | /**\r | |
| 1441 | Perform 8042 controller and keyboard Initialization.\r | |
| 1442 | If ExtendedVerification is TRUE, do additional test for\r | |
| 1443 | the keyboard interface\r | |
| 1444 | \r | |
| 1445 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r | |
| 1446 | @param ExtendedVerification - indicates a thorough initialization\r | |
| 1447 | \r | |
| 1448 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r | |
| 1449 | @retval EFI_SUCCESS Success to init keyboard\r | |
| 1450 | **/\r | |
| 1451 | EFI_STATUS\r | |
| 1452 | InitKeyboard (\r | |
| 1453 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r | |
| 1454 | IN BOOLEAN ExtendedVerification\r | |
| 1455 | )\r | |
| 1456 | {\r | |
| 1457 | EFI_STATUS Status;\r | |
| 1458 | EFI_STATUS Status1;\r | |
| 1459 | UINT8 CommandByte;\r | |
| 1460 | EFI_PS2_POLICY_PROTOCOL *Ps2Policy;\r | |
| 1461 | UINT32 TryTime;\r | |
| 1462 | \r | |
| 1463 | Status = EFI_SUCCESS;\r | |
| 1464 | mEnableMouseInterface = TRUE;\r | |
| 1465 | TryTime = 0;\r | |
| 1466 | \r | |
| 1467 | //\r | |
| 1468 | // Get Ps2 policy to set this\r | |
| 1469 | //\r | |
| 1470 | gBS->LocateProtocol (\r | |
| 1471 | &gEfiPs2PolicyProtocolGuid,\r | |
| 1472 | NULL,\r | |
| 1473 | (VOID **) &Ps2Policy\r | |
| 1474 | );\r | |
| 1475 | \r | |
| 1476 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
| 1477 | EFI_PROGRESS_CODE,\r | |
| 1478 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,\r | |
| 1479 | ConsoleIn->DevicePath\r | |
| 1480 | );\r | |
| 1481 | \r | |
| 1482 | //\r | |
| 1483 | // Perform a read to cleanup the Status Register's\r | |
| 1484 | // output buffer full bits within MAX TRY times\r | |
| 1485 | //\r | |
| 1486 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) != 0) {\r | |
| 1487 | while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {\r | |
| 1488 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r | |
| 1489 | TryTime ++;\r | |
| 1490 | }\r | |
| 1491 | //\r | |
| 1492 | // Exceed the max try times. The device may be error.\r | |
| 1493 | //\r | |
| 1494 | if (TryTime == KEYBOARD_MAX_TRY) {\r | |
| 1495 | Status = EFI_DEVICE_ERROR;\r | |
| 1496 | goto Done;\r | |
| 1497 | }\r | |
| 1498 | }\r | |
| 1499 | //\r | |
| 1500 | // We should disable mouse interface during the initialization process\r | |
| 1501 | // since mouse device output could block keyboard device output in the\r | |
| 1502 | // 60H port of 8042 controller.\r | |
| 1503 | //\r | |
| 1504 | // So if we are not initializing 8042 controller for the\r | |
| 1505 | // first time, we have to remember the previous mouse interface\r | |
| 1506 | // enabling state\r | |
| 1507 | //\r | |
| 1508 | // Test the system flag in to determine whether this is the first\r | |
| 1509 | // time initialization\r | |
| 1510 | //\r | |
| 1511 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG) != 0) {\r | |
| 1512 | if (!PcdGetBool (PcdFastPS2Detection)) {\r | |
| 1513 | //\r | |
| 1514 | // 8042 controller is already setup (by myself or by mouse driver):\r | |
| 1515 | // See whether mouse interface is already enabled\r | |
| 1516 | // which determines whether we should enable it later\r | |
| 1517 | //\r | |
| 1518 | //\r | |
| 1519 | // Read the command byte of 8042 controller\r | |
| 1520 | //\r | |
| 1521 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_READ);\r | |
| 1522 | if (EFI_ERROR (Status)) {\r | |
| 1523 | KeyboardError (ConsoleIn, L"\n\r");\r | |
| 1524 | goto Done;\r | |
| 1525 | }\r | |
| 1526 | \r | |
| 1527 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r | |
| 1528 | if (EFI_ERROR (Status)) {\r | |
| 1529 | KeyboardError (ConsoleIn, L"\n\r");\r | |
| 1530 | goto Done;\r | |
| 1531 | }\r | |
| 1532 | //\r | |
| 1533 | // Test the mouse enabling bit\r | |
| 1534 | //\r | |
| 1535 | if ((CommandByte & 0x20) != 0) {\r | |
| 1536 | mEnableMouseInterface = FALSE;\r | |
| 1537 | } else {\r | |
| 1538 | mEnableMouseInterface = TRUE;\r | |
| 1539 | }\r | |
| 1540 | } else {\r | |
| 1541 | mEnableMouseInterface = FALSE;\r | |
| 1542 | }\r | |
| 1543 | } else {\r | |
| 1544 | //\r | |
| 1545 | // 8042 controller is not setup yet:\r | |
| 1546 | // 8042 controller selftest;\r | |
| 1547 | // Don't enable mouse interface later.\r | |
| 1548 | //\r | |
| 1549 | //\r | |
| 1550 | // Disable keyboard and mouse interfaces\r | |
| 1551 | //\r | |
| 1552 | if (!PcdGetBool (PcdFastPS2Detection)) {\r | |
| 1553 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r | |
| 1554 | if (EFI_ERROR (Status)) {\r | |
| 1555 | KeyboardError (ConsoleIn, L"\n\r");\r | |
| 1556 | goto Done;\r | |
| 1557 | }\r | |
| 1558 | \r | |
| 1559 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE);\r | |
| 1560 | if (EFI_ERROR (Status)) {\r | |
| 1561 | KeyboardError (ConsoleIn, L"\n\r");\r | |
| 1562 | goto Done;\r | |
| 1563 | }\r | |
| 1564 | \r | |
| 1565 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
| 1566 | EFI_PROGRESS_CODE,\r | |
| 1567 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,\r | |
| 1568 | ConsoleIn->DevicePath\r | |
| 1569 | );\r | |
| 1570 | //\r | |
| 1571 | // 8042 Controller Self Test\r | |
| 1572 | //\r | |
| 1573 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST);\r | |
| 1574 | if (EFI_ERROR (Status)) {\r | |
| 1575 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
| 1576 | goto Done;\r | |
| 1577 | }\r | |
| 1578 | \r | |
| 1579 | Status = KeyboardWaitForValue (ConsoleIn, 0x55);\r | |
| 1580 | if (EFI_ERROR (Status)) {\r | |
| 1581 | KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");\r | |
| 1582 | goto Done;\r | |
| 1583 | }\r | |
| 1584 | }\r | |
| 1585 | //\r | |
| 1586 | // Don't enable mouse interface later\r | |
| 1587 | //\r | |
| 1588 | mEnableMouseInterface = FALSE;\r | |
| 1589 | \r | |
| 1590 | }\r | |
| 1591 | \r | |
| 1592 | if (Ps2Policy != NULL) {\r | |
| 1593 | Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);\r | |
| 1594 | }\r | |
| 1595 | //\r | |
| 1596 | // Write 8042 Command Byte, set System Flag\r | |
| 1597 | // While at the same time:\r | |
| 1598 | // 1. disable mouse interface,\r | |
| 1599 | // 2. enable kbd interface,\r | |
| 1600 | // 3. enable PC/XT kbd translation mode\r | |
| 1601 | // 4. enable mouse and kbd interrupts\r | |
| 1602 | //\r | |
| 1603 | // ( Command Byte bits:\r | |
| 1604 | // 7: Reserved\r | |
| 1605 | // 6: PC/XT translation mode\r | |
| 1606 | // 5: Disable Auxiliary device interface\r | |
| 1607 | // 4: Disable keyboard interface\r | |
| 1608 | // 3: Reserved\r | |
| 1609 | // 2: System Flag\r | |
| 1610 | // 1: Enable Auxiliary device interrupt\r | |
| 1611 | // 0: Enable Keyboard interrupt )\r | |
| 1612 | //\r | |
| 1613 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_WRITE);\r | |
| 1614 | if (EFI_ERROR (Status)) {\r | |
| 1615 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
| 1616 | goto Done;\r | |
| 1617 | }\r | |
| 1618 | \r | |
| 1619 | Status = KeyboardWrite (ConsoleIn, 0x67);\r | |
| 1620 | if (EFI_ERROR (Status)) {\r | |
| 1621 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
| 1622 | goto Done;\r | |
| 1623 | }\r | |
| 1624 | \r | |
| 1625 | //\r | |
| 1626 | // Clear Memory Scancode Buffer\r | |
| 1627 | //\r | |
| 1628 | ConsoleIn->ScancodeQueue.Head = 0;\r | |
| 1629 | ConsoleIn->ScancodeQueue.Tail = 0;\r | |
| 1630 | ConsoleIn->EfiKeyQueue.Head = 0;\r | |
| 1631 | ConsoleIn->EfiKeyQueue.Tail = 0;\r | |
| 1632 | \r | |
| 1633 | //\r | |
| 1634 | // Reset the status indicators\r | |
| 1635 | //\r | |
| 1636 | ConsoleIn->CapsLock = FALSE;\r | |
| 1637 | ConsoleIn->NumLock = FALSE;\r | |
| 1638 | ConsoleIn->ScrollLock = FALSE;\r | |
| 1639 | ConsoleIn->LeftCtrl = FALSE;\r | |
| 1640 | ConsoleIn->RightCtrl = FALSE;\r | |
| 1641 | ConsoleIn->LeftAlt = FALSE;\r | |
| 1642 | ConsoleIn->RightAlt = FALSE;\r | |
| 1643 | ConsoleIn->LeftShift = FALSE;\r | |
| 1644 | ConsoleIn->RightShift = FALSE;\r | |
| 1645 | ConsoleIn->LeftLogo = FALSE;\r | |
| 1646 | ConsoleIn->RightLogo = FALSE;\r | |
| 1647 | ConsoleIn->Menu = FALSE;\r | |
| 1648 | ConsoleIn->SysReq = FALSE;\r | |
| 1649 | \r | |
| 1650 | ConsoleIn->IsSupportPartialKey = FALSE;\r | |
| 1651 | //\r | |
| 1652 | // For reseting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,\r | |
| 1653 | // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected\r | |
| 1654 | // to system. So we only do the real reseting for keyboard when user asks and there is a real KB connected t system,\r | |
| 1655 | // and normally during booting an OS, it's skipped.\r | |
| 1656 | //\r | |
| 1657 | if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {\r | |
| 1658 | //\r | |
| 1659 | // Additional verifications for keyboard interface\r | |
| 1660 | //\r | |
| 1661 | //\r | |
| 1662 | // Keyboard Interface Test\r | |
| 1663 | //\r | |
| 1664 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST);\r | |
| 1665 | if (EFI_ERROR (Status)) {\r | |
| 1666 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
| 1667 | goto Done;\r | |
| 1668 | }\r | |
| 1669 | \r | |
| 1670 | Status = KeyboardWaitForValue (ConsoleIn, 0x00);\r | |
| 1671 | if (EFI_ERROR (Status)) {\r | |
| 1672 | KeyboardError (\r | |
| 1673 | ConsoleIn,\r | |
| 1674 | L"Some specific value not aquired from 8042 controller!\n\r"\r | |
| 1675 | );\r | |
| 1676 | goto Done;\r | |
| 1677 | }\r | |
| 1678 | //\r | |
| 1679 | // Keyboard reset with a BAT(Basic Assurance Test)\r | |
| 1680 | //\r | |
| 1681 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_RESET);\r | |
| 1682 | if (EFI_ERROR (Status)) {\r | |
| 1683 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
| 1684 | goto Done;\r | |
| 1685 | }\r | |
| 1686 | \r | |
| 1687 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r | |
| 1688 | if (EFI_ERROR (Status)) {\r | |
| 1689 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
| 1690 | goto Done;\r | |
| 1691 | }\r | |
| 1692 | //\r | |
| 1693 | // wait for BAT completion code\r | |
| 1694 | //\r | |
| 1695 | mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;\r | |
| 1696 | \r | |
| 1697 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);\r | |
| 1698 | if (EFI_ERROR (Status)) {\r | |
| 1699 | KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");\r | |
| 1700 | goto Done;\r | |
| 1701 | }\r | |
| 1702 | \r | |
| 1703 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
| 1704 | \r | |
| 1705 | //\r | |
| 1706 | // Set Keyboard to use Scan Code Set 2\r | |
| 1707 | //\r | |
| 1708 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET);\r | |
| 1709 | if (EFI_ERROR (Status)) {\r | |
| 1710 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
| 1711 | goto Done;\r | |
| 1712 | }\r | |
| 1713 | \r | |
| 1714 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r | |
| 1715 | if (EFI_ERROR (Status)) {\r | |
| 1716 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
| 1717 | goto Done;\r | |
| 1718 | }\r | |
| 1719 | \r | |
| 1720 | Status = KeyboardWrite (ConsoleIn, 0x02);\r | |
| 1721 | if (EFI_ERROR (Status)) {\r | |
| 1722 | KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");\r | |
| 1723 | goto Done;\r | |
| 1724 | }\r | |
| 1725 | \r | |
| 1726 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r | |
| 1727 | if (EFI_ERROR (Status)) {\r | |
| 1728 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
| 1729 | goto Done;\r | |
| 1730 | }\r | |
| 1731 | \r | |
| 1732 | //\r | |
| 1733 | // Clear Keyboard Scancode Buffer\r | |
| 1734 | //\r | |
| 1735 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA);\r | |
| 1736 | if (EFI_ERROR (Status)) {\r | |
| 1737 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r | |
| 1738 | goto Done;\r | |
| 1739 | }\r | |
| 1740 | \r | |
| 1741 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r | |
| 1742 | if (EFI_ERROR (Status)) {\r | |
| 1743 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r | |
| 1744 | goto Done;\r | |
| 1745 | }\r | |
| 1746 | //\r | |
| 1747 | if (Ps2Policy != NULL) {\r | |
| 1748 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {\r | |
| 1749 | ConsoleIn->CapsLock = TRUE;\r | |
| 1750 | }\r | |
| 1751 | \r | |
| 1752 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {\r | |
| 1753 | ConsoleIn->NumLock = TRUE;\r | |
| 1754 | }\r | |
| 1755 | \r | |
| 1756 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {\r | |
| 1757 | ConsoleIn->ScrollLock = TRUE;\r | |
| 1758 | }\r | |
| 1759 | }\r | |
| 1760 | //\r | |
| 1761 | // Update Keyboard Lights\r | |
| 1762 | //\r | |
| 1763 | Status = UpdateStatusLights (ConsoleIn);\r | |
| 1764 | if (EFI_ERROR (Status)) {\r | |
| 1765 | KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");\r | |
| 1766 | goto Done;\r | |
| 1767 | }\r | |
| 1768 | }\r | |
| 1769 | //\r | |
| 1770 | // At last, we can now enable the mouse interface if appropriate\r | |
| 1771 | //\r | |
| 1772 | Done:\r | |
| 1773 | \r | |
| 1774 | if (mEnableMouseInterface) {\r | |
| 1775 | //\r | |
| 1776 | // Enable mouse interface\r | |
| 1777 | //\r | |
| 1778 | Status1 = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE);\r | |
| 1779 | if (EFI_ERROR (Status1)) {\r | |
| 1780 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r | |
| 1781 | return EFI_DEVICE_ERROR;\r | |
| 1782 | }\r | |
| 1783 | }\r | |
| 1784 | \r | |
| 1785 | if (!EFI_ERROR (Status)) {\r | |
| 1786 | return EFI_SUCCESS;\r | |
| 1787 | } else {\r | |
| 1788 | return EFI_DEVICE_ERROR;\r | |
| 1789 | }\r | |
| 1790 | \r | |
| 1791 | }\r | |
| 1792 | \r | |
| 1793 | /**\r | |
| 1794 | Disable the keyboard interface of the 8042 controller.\r | |
| 1795 | \r | |
| 1796 | @param ConsoleIn The device instance\r | |
| 1797 | \r | |
| 1798 | @return status of issuing disable command\r | |
| 1799 | \r | |
| 1800 | **/\r | |
| 1801 | EFI_STATUS\r | |
| 1802 | DisableKeyboard (\r | |
| 1803 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
| 1804 | )\r | |
| 1805 | {\r | |
| 1806 | EFI_STATUS Status;\r | |
| 1807 | \r | |
| 1808 | //\r | |
| 1809 | // Disable keyboard interface\r | |
| 1810 | //\r | |
| 1811 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r | |
| 1812 | if (EFI_ERROR (Status)) {\r | |
| 1813 | KeyboardError (ConsoleIn, L"\n\r");\r | |
| 1814 | return EFI_DEVICE_ERROR;\r | |
| 1815 | }\r | |
| 1816 | \r | |
| 1817 | return Status;\r | |
| 1818 | }\r | |
| 1819 | \r | |
| 1820 | /**\r | |
| 1821 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r | |
| 1822 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r | |
| 1823 | should not be in system.\r | |
| 1824 | \r | |
| 1825 | @param[in] ConsoleIn Keyboard Private Data Structure\r | |
| 1826 | \r | |
| 1827 | @retval TRUE Keyboard in System.\r | |
| 1828 | @retval FALSE Keyboard not in System.\r | |
| 1829 | **/\r | |
| 1830 | BOOLEAN\r | |
| 1831 | EFIAPI\r | |
| 1832 | CheckKeyboardConnect (\r | |
| 1833 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r | |
| 1834 | )\r | |
| 1835 | {\r | |
| 1836 | EFI_STATUS Status;\r | |
| 1837 | UINTN WaitForValueTimeOutBcakup;\r | |
| 1838 | \r | |
| 1839 | //\r | |
| 1840 | // enable keyboard itself and wait for its ack\r | |
| 1841 | // If can't receive ack, Keyboard should not be connected.\r | |
| 1842 | //\r | |
| 1843 | if (!PcdGetBool (PcdFastPS2Detection)) {\r | |
| 1844 | Status = KeyboardWrite (\r | |
| 1845 | ConsoleIn,\r | |
| 1846 | KEYBOARD_KBEN\r | |
| 1847 | );\r | |
| 1848 | \r | |
| 1849 | if (EFI_ERROR (Status)) {\r | |
| 1850 | return FALSE;\r | |
| 1851 | }\r | |
| 1852 | //\r | |
| 1853 | // wait for 1s\r | |
| 1854 | //\r | |
| 1855 | WaitForValueTimeOutBcakup = mWaitForValueTimeOut;\r | |
| 1856 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r | |
| 1857 | Status = KeyboardWaitForValue (\r | |
| 1858 | ConsoleIn,\r | |
| 1859 | KEYBOARD_CMDECHO_ACK\r | |
| 1860 | );\r | |
| 1861 | mWaitForValueTimeOut = WaitForValueTimeOutBcakup;\r | |
| 1862 | \r | |
| 1863 | if (EFI_ERROR (Status)) {\r | |
| 1864 | return FALSE;\r | |
| 1865 | }\r | |
| 1866 | \r | |
| 1867 | return TRUE;\r | |
| 1868 | } else {\r | |
| 1869 | return TRUE;\r | |
| 1870 | }\r | |
| 1871 | }\r | |
| 1872 | \r |