| | 1 | /** @file\r |
| | 2 | Routines that access 8042 keyboard controller\r |
| | 3 | \r |
| | 4 | Copyright (c) 2006 - 2018, 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 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
| | 701 | UINT8 Data;\r |
| | 702 | \r |
| | 703 | //\r |
| | 704 | // Use IsaIo protocol to perform IO operations\r |
| | 705 | //\r |
| | 706 | IsaIo = ConsoleIn->IsaIo;\r |
| | 707 | \r |
| | 708 | IsaIo->Io.Read (\r |
| | 709 | IsaIo,\r |
| | 710 | EfiIsaIoWidthUint8,\r |
| | 711 | ConsoleIn->DataRegisterAddress,\r |
| | 712 | 1,\r |
| | 713 | &Data\r |
| | 714 | );\r |
| | 715 | \r |
| | 716 | return Data;\r |
| | 717 | }\r |
| | 718 | \r |
| | 719 | /**\r |
| | 720 | Write data register.\r |
| | 721 | \r |
| | 722 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 723 | @param Data value wanted to be written\r |
| | 724 | \r |
| | 725 | **/\r |
| | 726 | VOID\r |
| | 727 | KeyWriteDataRegister (\r |
| | 728 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 729 | IN UINT8 Data\r |
| | 730 | )\r |
| | 731 | {\r |
| | 732 | ConsoleIn->IsaIo->Io.Write (\r |
| | 733 | ConsoleIn->IsaIo,\r |
| | 734 | EfiIsaIoWidthUint8,\r |
| | 735 | ConsoleIn->DataRegisterAddress,\r |
| | 736 | 1,\r |
| | 737 | &Data\r |
| | 738 | );\r |
| | 739 | }\r |
| | 740 | \r |
| | 741 | /**\r |
| | 742 | Read status register.\r |
| | 743 | \r |
| | 744 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 745 | \r |
| | 746 | @return value in status register\r |
| | 747 | \r |
| | 748 | **/\r |
| | 749 | UINT8\r |
| | 750 | KeyReadStatusRegister (\r |
| | 751 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| | 752 | )\r |
| | 753 | {\r |
| | 754 | UINT8 Data;\r |
| | 755 | ConsoleIn->IsaIo->Io.Read (\r |
| | 756 | ConsoleIn->IsaIo,\r |
| | 757 | EfiIsaIoWidthUint8,\r |
| | 758 | ConsoleIn->StatusRegisterAddress,\r |
| | 759 | 1,\r |
| | 760 | &Data\r |
| | 761 | );\r |
| | 762 | return Data;\r |
| | 763 | }\r |
| | 764 | \r |
| | 765 | /**\r |
| | 766 | Write command register .\r |
| | 767 | \r |
| | 768 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 769 | @param Data The value wanted to be written\r |
| | 770 | \r |
| | 771 | **/\r |
| | 772 | VOID\r |
| | 773 | KeyWriteCommandRegister (\r |
| | 774 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 775 | IN UINT8 Data\r |
| | 776 | )\r |
| | 777 | {\r |
| | 778 | ConsoleIn->IsaIo->Io.Write (\r |
| | 779 | ConsoleIn->IsaIo,\r |
| | 780 | EfiIsaIoWidthUint8,\r |
| | 781 | ConsoleIn->CommandRegisterAddress,\r |
| | 782 | 1,\r |
| | 783 | &Data\r |
| | 784 | );\r |
| | 785 | }\r |
| | 786 | \r |
| | 787 | /**\r |
| | 788 | Display error message.\r |
| | 789 | \r |
| | 790 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 791 | @param ErrMsg Unicode string of error message\r |
| | 792 | \r |
| | 793 | **/\r |
| | 794 | VOID\r |
| | 795 | KeyboardError (\r |
| | 796 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 797 | IN CHAR16 *ErrMsg\r |
| | 798 | )\r |
| | 799 | {\r |
| | 800 | ConsoleIn->KeyboardErr = TRUE;\r |
| | 801 | }\r |
| | 802 | \r |
| | 803 | /**\r |
| | 804 | Timer event handler: read a series of scancodes from 8042\r |
| | 805 | and put them into memory scancode buffer.\r |
| | 806 | it read as much scancodes to either fill\r |
| | 807 | the memory buffer or empty the keyboard buffer.\r |
| | 808 | It is registered as running under TPL_NOTIFY\r |
| | 809 | \r |
| | 810 | @param Event The timer event\r |
| | 811 | @param Context A KEYBOARD_CONSOLE_IN_DEV pointer\r |
| | 812 | \r |
| | 813 | **/\r |
| | 814 | VOID\r |
| | 815 | EFIAPI\r |
| | 816 | KeyboardTimerHandler (\r |
| | 817 | IN EFI_EVENT Event,\r |
| | 818 | IN VOID *Context\r |
| | 819 | )\r |
| | 820 | \r |
| | 821 | {\r |
| | 822 | UINT8 Data;\r |
| | 823 | EFI_TPL OldTpl;\r |
| | 824 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r |
| | 825 | \r |
| | 826 | ConsoleIn = (KEYBOARD_CONSOLE_IN_DEV *) Context;\r |
| | 827 | \r |
| | 828 | //\r |
| | 829 | // Enter critical section\r |
| | 830 | //\r |
| | 831 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
| | 832 | \r |
| | 833 | if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {\r |
| | 834 | //\r |
| | 835 | // Leave critical section and return\r |
| | 836 | //\r |
| | 837 | gBS->RestoreTPL (OldTpl);\r |
| | 838 | return ;\r |
| | 839 | }\r |
| | 840 | \r |
| | 841 | //\r |
| | 842 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r |
| | 843 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r |
| | 844 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r |
| | 845 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r |
| | 846 | // Just skip the 'resend' process simply.\r |
| | 847 | //\r |
| | 848 | \r |
| | 849 | while ((KeyReadStatusRegister (ConsoleIn) & (KEYBOARD_STATUS_REGISTER_TRANSMIT_TIMEOUT|KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA)) ==\r |
| | 850 | KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA\r |
| | 851 | ) {\r |
| | 852 | //\r |
| | 853 | // Read one byte of the scan code and store it into the memory buffer\r |
| | 854 | //\r |
| | 855 | Data = KeyReadDataRegister (ConsoleIn);\r |
| | 856 | PushScancodeBufTail (&ConsoleIn->ScancodeQueue, Data);\r |
| | 857 | }\r |
| | 858 | KeyGetchar (ConsoleIn);\r |
| | 859 | \r |
| | 860 | //\r |
| | 861 | // Leave critical section and return\r |
| | 862 | //\r |
| | 863 | gBS->RestoreTPL (OldTpl);\r |
| | 864 | }\r |
| | 865 | \r |
| | 866 | /**\r |
| | 867 | Read key value .\r |
| | 868 | \r |
| | 869 | @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 870 | @param Data - Pointer to outof buffer for keeping key value\r |
| | 871 | \r |
| | 872 | @retval EFI_TIMEOUT Status resigter time out\r |
| | 873 | @retval EFI_SUCCESS Success to read keyboard\r |
| | 874 | \r |
| | 875 | **/\r |
| | 876 | EFI_STATUS\r |
| | 877 | KeyboardRead (\r |
| | 878 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 879 | OUT UINT8 *Data\r |
| | 880 | )\r |
| | 881 | \r |
| | 882 | {\r |
| | 883 | UINT32 TimeOut;\r |
| | 884 | UINT32 RegFilled;\r |
| | 885 | \r |
| | 886 | TimeOut = 0;\r |
| | 887 | RegFilled = 0;\r |
| | 888 | \r |
| | 889 | //\r |
| | 890 | // wait till output buffer full then perform the read\r |
| | 891 | //\r |
| | 892 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| | 893 | if (KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) {\r |
| | 894 | RegFilled = 1;\r |
| | 895 | *Data = KeyReadDataRegister (ConsoleIn);\r |
| | 896 | break;\r |
| | 897 | }\r |
| | 898 | \r |
| | 899 | MicroSecondDelay (30);\r |
| | 900 | }\r |
| | 901 | \r |
| | 902 | if (RegFilled == 0) {\r |
| | 903 | return EFI_TIMEOUT;\r |
| | 904 | }\r |
| | 905 | \r |
| | 906 | return EFI_SUCCESS;\r |
| | 907 | }\r |
| | 908 | \r |
| | 909 | /**\r |
| | 910 | write key to keyboard\r |
| | 911 | \r |
| | 912 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 913 | @param Data value wanted to be written\r |
| | 914 | \r |
| | 915 | @retval EFI_TIMEOUT The input buffer register is full for putting new value util timeout\r |
| | 916 | @retval EFI_SUCCESS The new value is sucess put into input buffer register.\r |
| | 917 | \r |
| | 918 | **/\r |
| | 919 | EFI_STATUS\r |
| | 920 | KeyboardWrite (\r |
| | 921 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 922 | IN UINT8 Data\r |
| | 923 | )\r |
| | 924 | {\r |
| | 925 | UINT32 TimeOut;\r |
| | 926 | UINT32 RegEmptied;\r |
| | 927 | \r |
| | 928 | TimeOut = 0;\r |
| | 929 | RegEmptied = 0;\r |
| | 930 | \r |
| | 931 | //\r |
| | 932 | // wait for input buffer empty\r |
| | 933 | //\r |
| | 934 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| | 935 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
| | 936 | RegEmptied = 1;\r |
| | 937 | break;\r |
| | 938 | }\r |
| | 939 | \r |
| | 940 | MicroSecondDelay (30);\r |
| | 941 | }\r |
| | 942 | \r |
| | 943 | if (RegEmptied == 0) {\r |
| | 944 | return EFI_TIMEOUT;\r |
| | 945 | }\r |
| | 946 | //\r |
| | 947 | // Write it\r |
| | 948 | //\r |
| | 949 | KeyWriteDataRegister (ConsoleIn, Data);\r |
| | 950 | \r |
| | 951 | return EFI_SUCCESS;\r |
| | 952 | }\r |
| | 953 | \r |
| | 954 | /**\r |
| | 955 | Issue keyboard command.\r |
| | 956 | \r |
| | 957 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 958 | @param Data The buff holding the command\r |
| | 959 | \r |
| | 960 | @retval EFI_TIMEOUT Keyboard is not ready to issuing\r |
| | 961 | @retval EFI_SUCCESS Success to issue keyboard command\r |
| | 962 | \r |
| | 963 | **/\r |
| | 964 | EFI_STATUS\r |
| | 965 | KeyboardCommand (\r |
| | 966 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 967 | IN UINT8 Data\r |
| | 968 | )\r |
| | 969 | {\r |
| | 970 | UINT32 TimeOut;\r |
| | 971 | UINT32 RegEmptied;\r |
| | 972 | \r |
| | 973 | TimeOut = 0;\r |
| | 974 | RegEmptied = 0;\r |
| | 975 | \r |
| | 976 | //\r |
| | 977 | // Wait For Input Buffer Empty\r |
| | 978 | //\r |
| | 979 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| | 980 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
| | 981 | RegEmptied = 1;\r |
| | 982 | break;\r |
| | 983 | }\r |
| | 984 | \r |
| | 985 | MicroSecondDelay (30);\r |
| | 986 | }\r |
| | 987 | \r |
| | 988 | if (RegEmptied == 0) {\r |
| | 989 | return EFI_TIMEOUT;\r |
| | 990 | }\r |
| | 991 | //\r |
| | 992 | // issue the command\r |
| | 993 | //\r |
| | 994 | KeyWriteCommandRegister (ConsoleIn, Data);\r |
| | 995 | \r |
| | 996 | //\r |
| | 997 | // Wait For Input Buffer Empty again\r |
| | 998 | //\r |
| | 999 | RegEmptied = 0;\r |
| | 1000 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| | 1001 | if ((KeyReadStatusRegister (ConsoleIn) & 0x02) == 0) {\r |
| | 1002 | RegEmptied = 1;\r |
| | 1003 | break;\r |
| | 1004 | }\r |
| | 1005 | \r |
| | 1006 | MicroSecondDelay (30);\r |
| | 1007 | }\r |
| | 1008 | \r |
| | 1009 | if (RegEmptied == 0) {\r |
| | 1010 | return EFI_TIMEOUT;\r |
| | 1011 | }\r |
| | 1012 | \r |
| | 1013 | return EFI_SUCCESS;\r |
| | 1014 | }\r |
| | 1015 | \r |
| | 1016 | /**\r |
| | 1017 | wait for a specific value to be presented on\r |
| | 1018 | 8042 Data register by keyboard and then read it,\r |
| | 1019 | used in keyboard commands ack\r |
| | 1020 | \r |
| | 1021 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 1022 | @param Value the value wanted to be waited.\r |
| | 1023 | \r |
| | 1024 | @retval EFI_TIMEOUT Fail to get specific value in given time\r |
| | 1025 | @retval EFI_SUCCESS Success to get specific value in given time.\r |
| | 1026 | \r |
| | 1027 | **/\r |
| | 1028 | EFI_STATUS\r |
| | 1029 | KeyboardWaitForValue (\r |
| | 1030 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 1031 | IN UINT8 Value\r |
| | 1032 | )\r |
| | 1033 | {\r |
| | 1034 | UINT8 Data;\r |
| | 1035 | UINT32 TimeOut;\r |
| | 1036 | UINT32 SumTimeOut;\r |
| | 1037 | UINT32 GotIt;\r |
| | 1038 | \r |
| | 1039 | GotIt = 0;\r |
| | 1040 | TimeOut = 0;\r |
| | 1041 | SumTimeOut = 0;\r |
| | 1042 | \r |
| | 1043 | //\r |
| | 1044 | // Make sure the initial value of 'Data' is different from 'Value'\r |
| | 1045 | //\r |
| | 1046 | Data = 0;\r |
| | 1047 | if (Data == Value) {\r |
| | 1048 | Data = 1;\r |
| | 1049 | }\r |
| | 1050 | //\r |
| | 1051 | // Read from 8042 (multiple times if needed)\r |
| | 1052 | // until the expected value appears\r |
| | 1053 | // use SumTimeOut to control the iteration\r |
| | 1054 | //\r |
| | 1055 | while (1) {\r |
| | 1056 | //\r |
| | 1057 | // Perform a read\r |
| | 1058 | //\r |
| | 1059 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| | 1060 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r |
| | 1061 | Data = KeyReadDataRegister (ConsoleIn);\r |
| | 1062 | break;\r |
| | 1063 | }\r |
| | 1064 | \r |
| | 1065 | MicroSecondDelay (30);\r |
| | 1066 | }\r |
| | 1067 | \r |
| | 1068 | SumTimeOut += TimeOut;\r |
| | 1069 | \r |
| | 1070 | if (Data == Value) {\r |
| | 1071 | GotIt = 1;\r |
| | 1072 | break;\r |
| | 1073 | }\r |
| | 1074 | \r |
| | 1075 | if (SumTimeOut >= mWaitForValueTimeOut) {\r |
| | 1076 | break;\r |
| | 1077 | }\r |
| | 1078 | }\r |
| | 1079 | //\r |
| | 1080 | // Check results\r |
| | 1081 | //\r |
| | 1082 | if (GotIt == 1) {\r |
| | 1083 | return EFI_SUCCESS;\r |
| | 1084 | } else {\r |
| | 1085 | return EFI_TIMEOUT;\r |
| | 1086 | }\r |
| | 1087 | \r |
| | 1088 | }\r |
| | 1089 | \r |
| | 1090 | /**\r |
| | 1091 | Show keyboard status lights according to\r |
| | 1092 | indicators in ConsoleIn.\r |
| | 1093 | \r |
| | 1094 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| | 1095 | \r |
| | 1096 | @return status of updating keyboard register\r |
| | 1097 | \r |
| | 1098 | **/\r |
| | 1099 | EFI_STATUS\r |
| | 1100 | UpdateStatusLights (\r |
| | 1101 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| | 1102 | )\r |
| | 1103 | {\r |
| | 1104 | EFI_STATUS Status;\r |
| | 1105 | UINT8 Command;\r |
| | 1106 | \r |
| | 1107 | //\r |
| | 1108 | // Send keyboard command\r |
| | 1109 | //\r |
| | 1110 | Status = KeyboardWrite (ConsoleIn, 0xed);\r |
| | 1111 | if (EFI_ERROR (Status)) {\r |
| | 1112 | return Status;\r |
| | 1113 | }\r |
| | 1114 | \r |
| | 1115 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r |
| | 1116 | \r |
| | 1117 | //\r |
| | 1118 | // Light configuration\r |
| | 1119 | //\r |
| | 1120 | Command = 0;\r |
| | 1121 | if (ConsoleIn->CapsLock) {\r |
| | 1122 | Command |= 4;\r |
| | 1123 | }\r |
| | 1124 | \r |
| | 1125 | if (ConsoleIn->NumLock) {\r |
| | 1126 | Command |= 2;\r |
| | 1127 | }\r |
| | 1128 | \r |
| | 1129 | if (ConsoleIn->ScrollLock) {\r |
| | 1130 | Command |= 1;\r |
| | 1131 | }\r |
| | 1132 | \r |
| | 1133 | Status = KeyboardWrite (ConsoleIn, Command);\r |
| | 1134 | \r |
| | 1135 | if (EFI_ERROR (Status)) {\r |
| | 1136 | return Status;\r |
| | 1137 | }\r |
| | 1138 | \r |
| | 1139 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r |
| | 1140 | return Status;\r |
| | 1141 | }\r |
| | 1142 | \r |
| | 1143 | /**\r |
| | 1144 | Initialize the key state.\r |
| | 1145 | \r |
| | 1146 | @param ConsoleIn The KEYBOARD_CONSOLE_IN_DEV instance.\r |
| | 1147 | @param KeyState A pointer to receive the key state information.\r |
| | 1148 | **/\r |
| | 1149 | VOID\r |
| | 1150 | InitializeKeyState (\r |
| | 1151 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 1152 | OUT EFI_KEY_STATE *KeyState\r |
| | 1153 | )\r |
| | 1154 | {\r |
| | 1155 | KeyState->KeyShiftState = EFI_SHIFT_STATE_VALID\r |
| | 1156 | | (ConsoleIn->LeftCtrl ? EFI_LEFT_CONTROL_PRESSED : 0)\r |
| | 1157 | | (ConsoleIn->RightCtrl ? EFI_RIGHT_CONTROL_PRESSED : 0)\r |
| | 1158 | | (ConsoleIn->LeftAlt ? EFI_LEFT_ALT_PRESSED : 0)\r |
| | 1159 | | (ConsoleIn->RightAlt ? EFI_RIGHT_ALT_PRESSED : 0)\r |
| | 1160 | | (ConsoleIn->LeftShift ? EFI_LEFT_SHIFT_PRESSED : 0)\r |
| | 1161 | | (ConsoleIn->RightShift ? EFI_RIGHT_SHIFT_PRESSED : 0)\r |
| | 1162 | | (ConsoleIn->LeftLogo ? EFI_LEFT_LOGO_PRESSED : 0)\r |
| | 1163 | | (ConsoleIn->RightLogo ? EFI_RIGHT_LOGO_PRESSED : 0)\r |
| | 1164 | | (ConsoleIn->Menu ? EFI_MENU_KEY_PRESSED : 0)\r |
| | 1165 | | (ConsoleIn->SysReq ? EFI_SYS_REQ_PRESSED : 0)\r |
| | 1166 | ;\r |
| | 1167 | KeyState->KeyToggleState = EFI_TOGGLE_STATE_VALID\r |
| | 1168 | | (ConsoleIn->CapsLock ? EFI_CAPS_LOCK_ACTIVE : 0)\r |
| | 1169 | | (ConsoleIn->NumLock ? EFI_NUM_LOCK_ACTIVE : 0)\r |
| | 1170 | | (ConsoleIn->ScrollLock ? EFI_SCROLL_LOCK_ACTIVE : 0)\r |
| | 1171 | | (ConsoleIn->IsSupportPartialKey ? EFI_KEY_STATE_EXPOSED : 0)\r |
| | 1172 | ;\r |
| | 1173 | }\r |
| | 1174 | \r |
| | 1175 | /**\r |
| | 1176 | Get scancode from scancode buffer and translate into EFI-scancode and unicode defined by EFI spec.\r |
| | 1177 | \r |
| | 1178 | The function is always called in TPL_NOTIFY.\r |
| | 1179 | \r |
| | 1180 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
| | 1181 | \r |
| | 1182 | **/\r |
| | 1183 | VOID\r |
| | 1184 | KeyGetchar (\r |
| | 1185 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| | 1186 | )\r |
| | 1187 | {\r |
| | 1188 | EFI_STATUS Status;\r |
| | 1189 | UINT16 ScanCode;\r |
| | 1190 | BOOLEAN Extend0;\r |
| | 1191 | BOOLEAN Extend1;\r |
| | 1192 | UINTN Index;\r |
| | 1193 | EFI_KEY_DATA KeyData;\r |
| | 1194 | LIST_ENTRY *Link;\r |
| | 1195 | KEYBOARD_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
| | 1196 | //\r |
| | 1197 | // 3 bytes most\r |
| | 1198 | //\r |
| | 1199 | UINT8 ScancodeArr[3];\r |
| | 1200 | UINT32 ScancodeArrPos;\r |
| | 1201 | \r |
| | 1202 | //\r |
| | 1203 | // Check if there are enough bytes of scancode representing a single key\r |
| | 1204 | // available in the buffer\r |
| | 1205 | //\r |
| | 1206 | while (TRUE) {\r |
| | 1207 | Extend0 = FALSE;\r |
| | 1208 | Extend1 = FALSE;\r |
| | 1209 | ScancodeArrPos = 0;\r |
| | 1210 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r |
| | 1211 | if (EFI_ERROR (Status)) {\r |
| | 1212 | return ;\r |
| | 1213 | }\r |
| | 1214 | \r |
| | 1215 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED0) {\r |
| | 1216 | //\r |
| | 1217 | // E0 to look ahead 2 bytes\r |
| | 1218 | //\r |
| | 1219 | Extend0 = TRUE;\r |
| | 1220 | ScancodeArrPos = 1;\r |
| | 1221 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r |
| | 1222 | if (EFI_ERROR (Status)) {\r |
| | 1223 | return ;\r |
| | 1224 | }\r |
| | 1225 | } else if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {\r |
| | 1226 | //\r |
| | 1227 | // E1 to look ahead 3 bytes\r |
| | 1228 | //\r |
| | 1229 | Extend1 = TRUE;\r |
| | 1230 | ScancodeArrPos = 2;\r |
| | 1231 | Status = GetScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r |
| | 1232 | if (EFI_ERROR (Status)) {\r |
| | 1233 | return ;\r |
| | 1234 | }\r |
| | 1235 | }\r |
| | 1236 | //\r |
| | 1237 | // if we reach this position, scancodes for a key is in buffer now,pop them\r |
| | 1238 | //\r |
| | 1239 | Status = PopScancodeBufHead (&ConsoleIn->ScancodeQueue, ScancodeArrPos + 1, ScancodeArr);\r |
| | 1240 | ASSERT_EFI_ERROR (Status);\r |
| | 1241 | \r |
| | 1242 | //\r |
| | 1243 | // store the last available byte, this byte of scancode will be checked\r |
| | 1244 | //\r |
| | 1245 | ScanCode = ScancodeArr[ScancodeArrPos];\r |
| | 1246 | \r |
| | 1247 | if (!Extend1) {\r |
| | 1248 | //\r |
| | 1249 | // Check for special keys and update the driver state.\r |
| | 1250 | //\r |
| | 1251 | switch (ScanCode) {\r |
| | 1252 | \r |
| | 1253 | case SCANCODE_CTRL_MAKE:\r |
| | 1254 | if (Extend0) {\r |
| | 1255 | ConsoleIn->RightCtrl = TRUE;\r |
| | 1256 | } else {\r |
| | 1257 | ConsoleIn->LeftCtrl = TRUE;\r |
| | 1258 | }\r |
| | 1259 | break;\r |
| | 1260 | case SCANCODE_CTRL_BREAK:\r |
| | 1261 | if (Extend0) {\r |
| | 1262 | ConsoleIn->RightCtrl = FALSE;\r |
| | 1263 | } else {\r |
| | 1264 | ConsoleIn->LeftCtrl = FALSE;\r |
| | 1265 | }\r |
| | 1266 | break;\r |
| | 1267 | \r |
| | 1268 | case SCANCODE_ALT_MAKE:\r |
| | 1269 | if (Extend0) {\r |
| | 1270 | ConsoleIn->RightAlt = TRUE;\r |
| | 1271 | } else {\r |
| | 1272 | ConsoleIn->LeftAlt = TRUE;\r |
| | 1273 | }\r |
| | 1274 | break;\r |
| | 1275 | case SCANCODE_ALT_BREAK:\r |
| | 1276 | if (Extend0) {\r |
| | 1277 | ConsoleIn->RightAlt = FALSE;\r |
| | 1278 | } else {\r |
| | 1279 | ConsoleIn->LeftAlt = FALSE;\r |
| | 1280 | }\r |
| | 1281 | break;\r |
| | 1282 | \r |
| | 1283 | case SCANCODE_LEFT_SHIFT_MAKE:\r |
| | 1284 | //\r |
| | 1285 | // To avoid recognize PRNT_SCRN key as a L_SHIFT key\r |
| | 1286 | // because PRNT_SCRN key generates E0 followed by L_SHIFT scan code.\r |
| | 1287 | // If it the second byte of the PRNT_ScRN skip it.\r |
| | 1288 | //\r |
| | 1289 | if (!Extend0) {\r |
| | 1290 | ConsoleIn->LeftShift = TRUE;\r |
| | 1291 | break;\r |
| | 1292 | }\r |
| | 1293 | continue;\r |
| | 1294 | \r |
| | 1295 | case SCANCODE_LEFT_SHIFT_BREAK:\r |
| | 1296 | if (!Extend0) {\r |
| | 1297 | ConsoleIn->LeftShift = FALSE;\r |
| | 1298 | }\r |
| | 1299 | break;\r |
| | 1300 | \r |
| | 1301 | case SCANCODE_RIGHT_SHIFT_MAKE:\r |
| | 1302 | ConsoleIn->RightShift = TRUE;\r |
| | 1303 | break;\r |
| | 1304 | case SCANCODE_RIGHT_SHIFT_BREAK:\r |
| | 1305 | ConsoleIn->RightShift = FALSE;\r |
| | 1306 | break;\r |
| | 1307 | \r |
| | 1308 | case SCANCODE_LEFT_LOGO_MAKE:\r |
| | 1309 | ConsoleIn->LeftLogo = TRUE;\r |
| | 1310 | break;\r |
| | 1311 | case SCANCODE_LEFT_LOGO_BREAK:\r |
| | 1312 | ConsoleIn->LeftLogo = FALSE;\r |
| | 1313 | break;\r |
| | 1314 | \r |
| | 1315 | case SCANCODE_RIGHT_LOGO_MAKE:\r |
| | 1316 | ConsoleIn->RightLogo = TRUE;\r |
| | 1317 | break;\r |
| | 1318 | case SCANCODE_RIGHT_LOGO_BREAK:\r |
| | 1319 | ConsoleIn->RightLogo = FALSE;\r |
| | 1320 | break;\r |
| | 1321 | \r |
| | 1322 | case SCANCODE_MENU_MAKE:\r |
| | 1323 | ConsoleIn->Menu = TRUE;\r |
| | 1324 | break;\r |
| | 1325 | case SCANCODE_MENU_BREAK:\r |
| | 1326 | ConsoleIn->Menu = FALSE;\r |
| | 1327 | break;\r |
| | 1328 | \r |
| | 1329 | case SCANCODE_SYS_REQ_MAKE:\r |
| | 1330 | if (Extend0) {\r |
| | 1331 | ConsoleIn->SysReq = TRUE;\r |
| | 1332 | }\r |
| | 1333 | break;\r |
| | 1334 | case SCANCODE_SYS_REQ_BREAK:\r |
| | 1335 | if (Extend0) {\r |
| | 1336 | ConsoleIn->SysReq = FALSE;\r |
| | 1337 | }\r |
| | 1338 | break;\r |
| | 1339 | \r |
| | 1340 | case SCANCODE_SYS_REQ_MAKE_WITH_ALT:\r |
| | 1341 | ConsoleIn->SysReq = TRUE;\r |
| | 1342 | break;\r |
| | 1343 | case SCANCODE_SYS_REQ_BREAK_WITH_ALT:\r |
| | 1344 | ConsoleIn->SysReq = FALSE;\r |
| | 1345 | break;\r |
| | 1346 | \r |
| | 1347 | case SCANCODE_CAPS_LOCK_MAKE:\r |
| | 1348 | ConsoleIn->CapsLock = (BOOLEAN)!ConsoleIn->CapsLock;\r |
| | 1349 | UpdateStatusLights (ConsoleIn);\r |
| | 1350 | break;\r |
| | 1351 | case SCANCODE_NUM_LOCK_MAKE:\r |
| | 1352 | ConsoleIn->NumLock = (BOOLEAN)!ConsoleIn->NumLock;\r |
| | 1353 | UpdateStatusLights (ConsoleIn);\r |
| | 1354 | break;\r |
| | 1355 | case SCANCODE_SCROLL_LOCK_MAKE:\r |
| | 1356 | if (!Extend0) {\r |
| | 1357 | ConsoleIn->ScrollLock = (BOOLEAN)!ConsoleIn->ScrollLock;\r |
| | 1358 | UpdateStatusLights (ConsoleIn);\r |
| | 1359 | }\r |
| | 1360 | break;\r |
| | 1361 | }\r |
| | 1362 | }\r |
| | 1363 | \r |
| | 1364 | //\r |
| | 1365 | // If this is above the valid range, ignore it\r |
| | 1366 | //\r |
| | 1367 | if (ScanCode >= SCANCODE_MAX_MAKE) {\r |
| | 1368 | continue;\r |
| | 1369 | } else {\r |
| | 1370 | break;\r |
| | 1371 | }\r |
| | 1372 | }\r |
| | 1373 | \r |
| | 1374 | //\r |
| | 1375 | // Handle Ctrl+Alt+Del hotkey\r |
| | 1376 | //\r |
| | 1377 | if ((ConsoleIn->LeftCtrl || ConsoleIn->RightCtrl) &&\r |
| | 1378 | (ConsoleIn->LeftAlt || ConsoleIn->RightAlt ) &&\r |
| | 1379 | ScanCode == SCANCODE_DELETE_MAKE\r |
| | 1380 | ) {\r |
| | 1381 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r |
| | 1382 | }\r |
| | 1383 | \r |
| | 1384 | //\r |
| | 1385 | // Save the Shift/Toggle state\r |
| | 1386 | //\r |
| | 1387 | InitializeKeyState (ConsoleIn, &KeyData.KeyState);\r |
| | 1388 | KeyData.Key.ScanCode = SCAN_NULL;\r |
| | 1389 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
| | 1390 | \r |
| | 1391 | //\r |
| | 1392 | // Key Pad "/" shares the same scancode as that of "/" except Key Pad "/" has E0 prefix\r |
| | 1393 | //\r |
| | 1394 | if (Extend0 && ScanCode == 0x35) {\r |
| | 1395 | KeyData.Key.UnicodeChar = L'/';\r |
| | 1396 | KeyData.Key.ScanCode = SCAN_NULL;\r |
| | 1397 | \r |
| | 1398 | //\r |
| | 1399 | // PAUSE shares the same scancode as that of NUM except PAUSE has E1 prefix\r |
| | 1400 | //\r |
| | 1401 | } else if (Extend1 && ScanCode == SCANCODE_NUM_LOCK_MAKE) {\r |
| | 1402 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
| | 1403 | KeyData.Key.ScanCode = SCAN_PAUSE;\r |
| | 1404 | \r |
| | 1405 | //\r |
| | 1406 | // PAUSE shares the same scancode as that of SCROLL except PAUSE (CTRL pressed) has E0 prefix\r |
| | 1407 | //\r |
| | 1408 | } else if (Extend0 && ScanCode == SCANCODE_SCROLL_LOCK_MAKE) {\r |
| | 1409 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
| | 1410 | KeyData.Key.ScanCode = SCAN_PAUSE;\r |
| | 1411 | \r |
| | 1412 | //\r |
| | 1413 | // PRNT_SCRN shares the same scancode as that of Key Pad "*" except PRNT_SCRN has E0 prefix\r |
| | 1414 | //\r |
| | 1415 | } else if (Extend0 && ScanCode == SCANCODE_SYS_REQ_MAKE) {\r |
| | 1416 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
| | 1417 | KeyData.Key.ScanCode = SCAN_NULL;\r |
| | 1418 | \r |
| | 1419 | //\r |
| | 1420 | // Except the above special case, all others can be handled by convert table\r |
| | 1421 | //\r |
| | 1422 | } else {\r |
| | 1423 | for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index++) {\r |
| | 1424 | if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {\r |
| | 1425 | KeyData.Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;\r |
| | 1426 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r |
| | 1427 | \r |
| | 1428 | if ((ConsoleIn->LeftShift || ConsoleIn->RightShift) &&\r |
| | 1429 | (ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar != ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar)) {\r |
| | 1430 | KeyData.Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r |
| | 1431 | //\r |
| | 1432 | // Need not return associated shift state if a class of printable characters that\r |
| | 1433 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r |
| | 1434 | //\r |
| | 1435 | KeyData.KeyState.KeyShiftState &= ~(EFI_LEFT_SHIFT_PRESSED | EFI_RIGHT_SHIFT_PRESSED);\r |
| | 1436 | }\r |
| | 1437 | //\r |
| | 1438 | // alphabetic key is affected by CapsLock State\r |
| | 1439 | //\r |
| | 1440 | if (ConsoleIn->CapsLock) {\r |
| | 1441 | if (KeyData.Key.UnicodeChar >= L'a' && KeyData.Key.UnicodeChar <= L'z') {\r |
| | 1442 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'a' + L'A');\r |
| | 1443 | } else if (KeyData.Key.UnicodeChar >= L'A' && KeyData.Key.UnicodeChar <= L'Z') {\r |
| | 1444 | KeyData.Key.UnicodeChar = (UINT16) (KeyData.Key.UnicodeChar - L'A' + L'a');\r |
| | 1445 | }\r |
| | 1446 | }\r |
| | 1447 | break;\r |
| | 1448 | }\r |
| | 1449 | }\r |
| | 1450 | }\r |
| | 1451 | \r |
| | 1452 | //\r |
| | 1453 | // distinguish numeric key pad keys' 'up symbol' and 'down symbol'\r |
| | 1454 | //\r |
| | 1455 | if (ScanCode >= 0x47 && ScanCode <= 0x53) {\r |
| | 1456 | if (ConsoleIn->NumLock && !(ConsoleIn->LeftShift || ConsoleIn->RightShift) && !Extend0) {\r |
| | 1457 | KeyData.Key.ScanCode = SCAN_NULL;\r |
| | 1458 | } else if (ScanCode != 0x4a && ScanCode != 0x4e) {\r |
| | 1459 | KeyData.Key.UnicodeChar = CHAR_NULL;\r |
| | 1460 | }\r |
| | 1461 | }\r |
| | 1462 | \r |
| | 1463 | //\r |
| | 1464 | // If the key can not be converted then just return.\r |
| | 1465 | //\r |
| | 1466 | if (KeyData.Key.ScanCode == SCAN_NULL && KeyData.Key.UnicodeChar == CHAR_NULL) {\r |
| | 1467 | if (!ConsoleIn->IsSupportPartialKey) {\r |
| | 1468 | return ;\r |
| | 1469 | }\r |
| | 1470 | }\r |
| | 1471 | \r |
| | 1472 | //\r |
| | 1473 | // Signal KeyNotify process event if this key pressed matches any key registered.\r |
| | 1474 | //\r |
| | 1475 | for (Link = GetFirstNode (&ConsoleIn->NotifyList); !IsNull (&ConsoleIn->NotifyList, Link); Link = GetNextNode (&ConsoleIn->NotifyList, Link)) {\r |
| | 1476 | CurrentNotify = CR (\r |
| | 1477 | Link,\r |
| | 1478 | KEYBOARD_CONSOLE_IN_EX_NOTIFY,\r |
| | 1479 | NotifyEntry,\r |
| | 1480 | KEYBOARD_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
| | 1481 | );\r |
| | 1482 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r |
| | 1483 | //\r |
| | 1484 | // The key notification function needs to run at TPL_CALLBACK\r |
| | 1485 | // while current TPL is TPL_NOTIFY. It will be invoked in\r |
| | 1486 | // KeyNotifyProcessHandler() which runs at TPL_CALLBACK.\r |
| | 1487 | //\r |
| | 1488 | PushEfikeyBufTail (&ConsoleIn->EfiKeyQueueForNotify, &KeyData);\r |
| | 1489 | gBS->SignalEvent (ConsoleIn->KeyNotifyProcessEvent);\r |
| | 1490 | }\r |
| | 1491 | }\r |
| | 1492 | \r |
| | 1493 | PushEfikeyBufTail (&ConsoleIn->EfiKeyQueue, &KeyData);\r |
| | 1494 | }\r |
| | 1495 | \r |
| | 1496 | /**\r |
| | 1497 | Perform 8042 controller and keyboard Initialization.\r |
| | 1498 | If ExtendedVerification is TRUE, do additional test for\r |
| | 1499 | the keyboard interface\r |
| | 1500 | \r |
| | 1501 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
| | 1502 | @param ExtendedVerification - indicates a thorough initialization\r |
| | 1503 | \r |
| | 1504 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r |
| | 1505 | @retval EFI_SUCCESS Success to init keyboard\r |
| | 1506 | **/\r |
| | 1507 | EFI_STATUS\r |
| | 1508 | InitKeyboard (\r |
| | 1509 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| | 1510 | IN BOOLEAN ExtendedVerification\r |
| | 1511 | )\r |
| | 1512 | {\r |
| | 1513 | EFI_STATUS Status;\r |
| | 1514 | EFI_STATUS Status1;\r |
| | 1515 | UINT8 CommandByte;\r |
| | 1516 | EFI_PS2_POLICY_PROTOCOL *Ps2Policy;\r |
| | 1517 | UINT32 TryTime;\r |
| | 1518 | \r |
| | 1519 | Status = EFI_SUCCESS;\r |
| | 1520 | mEnableMouseInterface = TRUE;\r |
| | 1521 | TryTime = 0;\r |
| | 1522 | \r |
| | 1523 | //\r |
| | 1524 | // Get Ps2 policy to set this\r |
| | 1525 | //\r |
| | 1526 | gBS->LocateProtocol (\r |
| | 1527 | &gEfiPs2PolicyProtocolGuid,\r |
| | 1528 | NULL,\r |
| | 1529 | (VOID **) &Ps2Policy\r |
| | 1530 | );\r |
| | 1531 | \r |
| | 1532 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
| | 1533 | EFI_PROGRESS_CODE,\r |
| | 1534 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,\r |
| | 1535 | ConsoleIn->DevicePath\r |
| | 1536 | );\r |
| | 1537 | \r |
| | 1538 | //\r |
| | 1539 | // Perform a read to cleanup the Status Register's\r |
| | 1540 | // output buffer full bits within MAX TRY times\r |
| | 1541 | //\r |
| | 1542 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_HAS_OUTPUT_DATA) != 0) {\r |
| | 1543 | while (!EFI_ERROR (Status) && TryTime < KEYBOARD_MAX_TRY) {\r |
| | 1544 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r |
| | 1545 | TryTime ++;\r |
| | 1546 | }\r |
| | 1547 | //\r |
| | 1548 | // Exceed the max try times. The device may be error.\r |
| | 1549 | //\r |
| | 1550 | if (TryTime == KEYBOARD_MAX_TRY) {\r |
| | 1551 | Status = EFI_DEVICE_ERROR;\r |
| | 1552 | goto Done;\r |
| | 1553 | }\r |
| | 1554 | }\r |
| | 1555 | //\r |
| | 1556 | // We should disable mouse interface during the initialization process\r |
| | 1557 | // since mouse device output could block keyboard device output in the\r |
| | 1558 | // 60H port of 8042 controller.\r |
| | 1559 | //\r |
| | 1560 | // So if we are not initializing 8042 controller for the\r |
| | 1561 | // first time, we have to remember the previous mouse interface\r |
| | 1562 | // enabling state\r |
| | 1563 | //\r |
| | 1564 | // Test the system flag in to determine whether this is the first\r |
| | 1565 | // time initialization\r |
| | 1566 | //\r |
| | 1567 | if ((KeyReadStatusRegister (ConsoleIn) & KEYBOARD_STATUS_REGISTER_SYSTEM_FLAG) != 0) {\r |
| | 1568 | if (!PcdGetBool (PcdFastPS2Detection)) {\r |
| | 1569 | //\r |
| | 1570 | // 8042 controller is already setup (by myself or by mouse driver):\r |
| | 1571 | // See whether mouse interface is already enabled\r |
| | 1572 | // which determines whether we should enable it later\r |
| | 1573 | //\r |
| | 1574 | //\r |
| | 1575 | // Read the command byte of 8042 controller\r |
| | 1576 | //\r |
| | 1577 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_READ);\r |
| | 1578 | if (EFI_ERROR (Status)) {\r |
| | 1579 | KeyboardError (ConsoleIn, L"\n\r");\r |
| | 1580 | goto Done;\r |
| | 1581 | }\r |
| | 1582 | \r |
| | 1583 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r |
| | 1584 | if (EFI_ERROR (Status)) {\r |
| | 1585 | KeyboardError (ConsoleIn, L"\n\r");\r |
| | 1586 | goto Done;\r |
| | 1587 | }\r |
| | 1588 | //\r |
| | 1589 | // Test the mouse enabling bit\r |
| | 1590 | //\r |
| | 1591 | if ((CommandByte & 0x20) != 0) {\r |
| | 1592 | mEnableMouseInterface = FALSE;\r |
| | 1593 | } else {\r |
| | 1594 | mEnableMouseInterface = TRUE;\r |
| | 1595 | }\r |
| | 1596 | } else {\r |
| | 1597 | mEnableMouseInterface = FALSE;\r |
| | 1598 | } \r |
| | 1599 | } else {\r |
| | 1600 | //\r |
| | 1601 | // 8042 controller is not setup yet:\r |
| | 1602 | // 8042 controller selftest;\r |
| | 1603 | // Don't enable mouse interface later.\r |
| | 1604 | //\r |
| | 1605 | //\r |
| | 1606 | // Disable keyboard and mouse interfaces\r |
| | 1607 | //\r |
| | 1608 | if (!PcdGetBool (PcdFastPS2Detection)) {\r |
| | 1609 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r |
| | 1610 | if (EFI_ERROR (Status)) {\r |
| | 1611 | KeyboardError (ConsoleIn, L"\n\r");\r |
| | 1612 | goto Done;\r |
| | 1613 | }\r |
| | 1614 | \r |
| | 1615 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_MOUSE_INTERFACE);\r |
| | 1616 | if (EFI_ERROR (Status)) {\r |
| | 1617 | KeyboardError (ConsoleIn, L"\n\r");\r |
| | 1618 | goto Done;\r |
| | 1619 | }\r |
| | 1620 | \r |
| | 1621 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
| | 1622 | EFI_PROGRESS_CODE,\r |
| | 1623 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,\r |
| | 1624 | ConsoleIn->DevicePath\r |
| | 1625 | );\r |
| | 1626 | //\r |
| | 1627 | // 8042 Controller Self Test\r |
| | 1628 | //\r |
| | 1629 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_CONTROLLER_SELF_TEST);\r |
| | 1630 | if (EFI_ERROR (Status)) {\r |
| | 1631 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r |
| | 1632 | goto Done;\r |
| | 1633 | }\r |
| | 1634 | \r |
| | 1635 | Status = KeyboardWaitForValue (ConsoleIn, 0x55);\r |
| | 1636 | if (EFI_ERROR (Status)) {\r |
| | 1637 | KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");\r |
| | 1638 | goto Done;\r |
| | 1639 | }\r |
| | 1640 | }\r |
| | 1641 | //\r |
| | 1642 | // Don't enable mouse interface later\r |
| | 1643 | //\r |
| | 1644 | mEnableMouseInterface = FALSE;\r |
| | 1645 | \r |
| | 1646 | }\r |
| | 1647 | \r |
| | 1648 | if (Ps2Policy != NULL) {\r |
| | 1649 | Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);\r |
| | 1650 | }\r |
| | 1651 | //\r |
| | 1652 | // Write 8042 Command Byte, set System Flag\r |
| | 1653 | // While at the same time:\r |
| | 1654 | // 1. disable mouse interface,\r |
| | 1655 | // 2. enable kbd interface,\r |
| | 1656 | // 3. enable PC/XT kbd translation mode\r |
| | 1657 | // 4. enable mouse and kbd interrupts\r |
| | 1658 | //\r |
| | 1659 | // ( Command Byte bits:\r |
| | 1660 | // 7: Reserved\r |
| | 1661 | // 6: PC/XT translation mode\r |
| | 1662 | // 5: Disable Auxiliary device interface\r |
| | 1663 | // 4: Disable keyboard interface\r |
| | 1664 | // 3: Reserved\r |
| | 1665 | // 2: System Flag\r |
| | 1666 | // 1: Enable Auxiliary device interrupt\r |
| | 1667 | // 0: Enable Keyboard interrupt )\r |
| | 1668 | //\r |
| | 1669 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_WRITE);\r |
| | 1670 | if (EFI_ERROR (Status)) {\r |
| | 1671 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r |
| | 1672 | goto Done;\r |
| | 1673 | }\r |
| | 1674 | \r |
| | 1675 | Status = KeyboardWrite (ConsoleIn, 0x67);\r |
| | 1676 | if (EFI_ERROR (Status)) {\r |
| | 1677 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r |
| | 1678 | goto Done;\r |
| | 1679 | }\r |
| | 1680 | \r |
| | 1681 | //\r |
| | 1682 | // Clear Memory Scancode Buffer\r |
| | 1683 | //\r |
| | 1684 | ConsoleIn->ScancodeQueue.Head = 0;\r |
| | 1685 | ConsoleIn->ScancodeQueue.Tail = 0;\r |
| | 1686 | ConsoleIn->EfiKeyQueue.Head = 0;\r |
| | 1687 | ConsoleIn->EfiKeyQueue.Tail = 0;\r |
| | 1688 | ConsoleIn->EfiKeyQueueForNotify.Head = 0;\r |
| | 1689 | ConsoleIn->EfiKeyQueueForNotify.Tail = 0;\r |
| | 1690 | \r |
| | 1691 | //\r |
| | 1692 | // Reset the status indicators\r |
| | 1693 | //\r |
| | 1694 | ConsoleIn->CapsLock = FALSE;\r |
| | 1695 | ConsoleIn->NumLock = FALSE;\r |
| | 1696 | ConsoleIn->ScrollLock = FALSE;\r |
| | 1697 | ConsoleIn->LeftCtrl = FALSE;\r |
| | 1698 | ConsoleIn->RightCtrl = FALSE;\r |
| | 1699 | ConsoleIn->LeftAlt = FALSE;\r |
| | 1700 | ConsoleIn->RightAlt = FALSE;\r |
| | 1701 | ConsoleIn->LeftShift = FALSE;\r |
| | 1702 | ConsoleIn->RightShift = FALSE;\r |
| | 1703 | ConsoleIn->LeftLogo = FALSE;\r |
| | 1704 | ConsoleIn->RightLogo = FALSE;\r |
| | 1705 | ConsoleIn->Menu = FALSE;\r |
| | 1706 | ConsoleIn->SysReq = FALSE;\r |
| | 1707 | \r |
| | 1708 | ConsoleIn->IsSupportPartialKey = FALSE;\r |
| | 1709 | //\r |
| | 1710 | // For resetting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,\r |
| | 1711 | // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected\r |
| | 1712 | // to system. So we only do the real resetting for keyboard when user asks and there is a real KB connected t system,\r |
| | 1713 | // and normally during booting an OS, it's skipped.\r |
| | 1714 | //\r |
| | 1715 | if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {\r |
| | 1716 | //\r |
| | 1717 | // Additional verifications for keyboard interface\r |
| | 1718 | //\r |
| | 1719 | //\r |
| | 1720 | // Keyboard Interface Test\r |
| | 1721 | //\r |
| | 1722 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_KEYBOARD_INTERFACE_SELF_TEST);\r |
| | 1723 | if (EFI_ERROR (Status)) {\r |
| | 1724 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r |
| | 1725 | goto Done;\r |
| | 1726 | }\r |
| | 1727 | \r |
| | 1728 | Status = KeyboardWaitForValue (ConsoleIn, 0x00);\r |
| | 1729 | if (EFI_ERROR (Status)) {\r |
| | 1730 | KeyboardError (\r |
| | 1731 | ConsoleIn,\r |
| | 1732 | L"Some specific value not aquired from 8042 controller!\n\r"\r |
| | 1733 | );\r |
| | 1734 | goto Done;\r |
| | 1735 | }\r |
| | 1736 | //\r |
| | 1737 | // Keyboard reset with a BAT(Basic Assurance Test)\r |
| | 1738 | //\r |
| | 1739 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_RESET);\r |
| | 1740 | if (EFI_ERROR (Status)) {\r |
| | 1741 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r |
| | 1742 | goto Done;\r |
| | 1743 | }\r |
| | 1744 | \r |
| | 1745 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
| | 1746 | if (EFI_ERROR (Status)) {\r |
| | 1747 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r |
| | 1748 | goto Done;\r |
| | 1749 | }\r |
| | 1750 | //\r |
| | 1751 | // wait for BAT completion code\r |
| | 1752 | //\r |
| | 1753 | mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;\r |
| | 1754 | \r |
| | 1755 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_BAT_SUCCESS);\r |
| | 1756 | if (EFI_ERROR (Status)) {\r |
| | 1757 | KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");\r |
| | 1758 | goto Done;\r |
| | 1759 | }\r |
| | 1760 | \r |
| | 1761 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
| | 1762 | \r |
| | 1763 | //\r |
| | 1764 | // Set Keyboard to use Scan Code Set 2\r |
| | 1765 | //\r |
| | 1766 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_SELECT_SCAN_CODE_SET);\r |
| | 1767 | if (EFI_ERROR (Status)) {\r |
| | 1768 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r |
| | 1769 | goto Done;\r |
| | 1770 | }\r |
| | 1771 | \r |
| | 1772 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
| | 1773 | if (EFI_ERROR (Status)) {\r |
| | 1774 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r |
| | 1775 | goto Done;\r |
| | 1776 | }\r |
| | 1777 | \r |
| | 1778 | Status = KeyboardWrite (ConsoleIn, 0x02);\r |
| | 1779 | if (EFI_ERROR (Status)) {\r |
| | 1780 | KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");\r |
| | 1781 | goto Done;\r |
| | 1782 | }\r |
| | 1783 | \r |
| | 1784 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
| | 1785 | if (EFI_ERROR (Status)) {\r |
| | 1786 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r |
| | 1787 | goto Done;\r |
| | 1788 | }\r |
| | 1789 | \r |
| | 1790 | //\r |
| | 1791 | // Clear Keyboard Scancode Buffer\r |
| | 1792 | //\r |
| | 1793 | Status = KeyboardWrite (ConsoleIn, KEYBOARD_8048_COMMAND_CLEAR_OUTPUT_DATA);\r |
| | 1794 | if (EFI_ERROR (Status)) {\r |
| | 1795 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r |
| | 1796 | goto Done;\r |
| | 1797 | }\r |
| | 1798 | \r |
| | 1799 | Status = KeyboardWaitForValue (ConsoleIn, KEYBOARD_8048_RETURN_8042_ACK);\r |
| | 1800 | if (EFI_ERROR (Status)) {\r |
| | 1801 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r |
| | 1802 | goto Done;\r |
| | 1803 | }\r |
| | 1804 | //\r |
| | 1805 | if (Ps2Policy != NULL) {\r |
| | 1806 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {\r |
| | 1807 | ConsoleIn->CapsLock = TRUE;\r |
| | 1808 | }\r |
| | 1809 | \r |
| | 1810 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {\r |
| | 1811 | ConsoleIn->NumLock = TRUE;\r |
| | 1812 | }\r |
| | 1813 | \r |
| | 1814 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {\r |
| | 1815 | ConsoleIn->ScrollLock = TRUE;\r |
| | 1816 | }\r |
| | 1817 | }\r |
| | 1818 | //\r |
| | 1819 | // Update Keyboard Lights\r |
| | 1820 | //\r |
| | 1821 | Status = UpdateStatusLights (ConsoleIn);\r |
| | 1822 | if (EFI_ERROR (Status)) {\r |
| | 1823 | KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");\r |
| | 1824 | goto Done;\r |
| | 1825 | }\r |
| | 1826 | }\r |
| | 1827 | //\r |
| | 1828 | // At last, we can now enable the mouse interface if appropriate\r |
| | 1829 | //\r |
| | 1830 | Done:\r |
| | 1831 | \r |
| | 1832 | if (mEnableMouseInterface) {\r |
| | 1833 | //\r |
| | 1834 | // Enable mouse interface\r |
| | 1835 | //\r |
| | 1836 | Status1 = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_ENABLE_MOUSE_INTERFACE);\r |
| | 1837 | if (EFI_ERROR (Status1)) {\r |
| | 1838 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r |
| | 1839 | return EFI_DEVICE_ERROR;\r |
| | 1840 | }\r |
| | 1841 | }\r |
| | 1842 | \r |
| | 1843 | if (!EFI_ERROR (Status)) {\r |
| | 1844 | return EFI_SUCCESS;\r |
| | 1845 | } else {\r |
| | 1846 | return EFI_DEVICE_ERROR;\r |
| | 1847 | }\r |
| | 1848 | \r |
| | 1849 | }\r |
| | 1850 | \r |
| | 1851 | /**\r |
| | 1852 | Disable the keyboard interface of the 8042 controller.\r |
| | 1853 | \r |
| | 1854 | @param ConsoleIn The device instance\r |
| | 1855 | \r |
| | 1856 | @return status of issuing disable command\r |
| | 1857 | \r |
| | 1858 | **/\r |
| | 1859 | EFI_STATUS\r |
| | 1860 | DisableKeyboard (\r |
| | 1861 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| | 1862 | )\r |
| | 1863 | {\r |
| | 1864 | EFI_STATUS Status;\r |
| | 1865 | \r |
| | 1866 | //\r |
| | 1867 | // Disable keyboard interface\r |
| | 1868 | //\r |
| | 1869 | Status = KeyboardCommand (ConsoleIn, KEYBOARD_8042_COMMAND_DISABLE_KEYBOARD_INTERFACE);\r |
| | 1870 | if (EFI_ERROR (Status)) {\r |
| | 1871 | KeyboardError (ConsoleIn, L"\n\r");\r |
| | 1872 | return EFI_DEVICE_ERROR;\r |
| | 1873 | }\r |
| | 1874 | \r |
| | 1875 | return Status;\r |
| | 1876 | }\r |
| | 1877 | \r |
| | 1878 | /**\r |
| | 1879 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r |
| | 1880 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r |
| | 1881 | should not be in system.\r |
| | 1882 | \r |
| | 1883 | @param[in] ConsoleIn Keyboard Private Data Structure\r |
| | 1884 | \r |
| | 1885 | @retval TRUE Keyboard in System.\r |
| | 1886 | @retval FALSE Keyboard not in System.\r |
| | 1887 | **/\r |
| | 1888 | BOOLEAN\r |
| | 1889 | EFIAPI\r |
| | 1890 | CheckKeyboardConnect (\r |
| | 1891 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| | 1892 | )\r |
| | 1893 | {\r |
| | 1894 | EFI_STATUS Status;\r |
| | 1895 | UINTN WaitForValueTimeOutBcakup;\r |
| | 1896 | \r |
| | 1897 | //\r |
| | 1898 | // enable keyboard itself and wait for its ack\r |
| | 1899 | // If can't receive ack, Keyboard should not be connected.\r |
| | 1900 | //\r |
| | 1901 | if (!PcdGetBool (PcdFastPS2Detection)) {\r |
| | 1902 | Status = KeyboardWrite (\r |
| | 1903 | ConsoleIn,\r |
| | 1904 | KEYBOARD_KBEN\r |
| | 1905 | );\r |
| | 1906 | \r |
| | 1907 | if (EFI_ERROR (Status)) {\r |
| | 1908 | return FALSE;\r |
| | 1909 | }\r |
| | 1910 | //\r |
| | 1911 | // wait for 1s\r |
| | 1912 | //\r |
| | 1913 | WaitForValueTimeOutBcakup = mWaitForValueTimeOut;\r |
| | 1914 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
| | 1915 | Status = KeyboardWaitForValue (\r |
| | 1916 | ConsoleIn,\r |
| | 1917 | KEYBOARD_CMDECHO_ACK\r |
| | 1918 | );\r |
| | 1919 | mWaitForValueTimeOut = WaitForValueTimeOutBcakup;\r |
| | 1920 | \r |
| | 1921 | if (EFI_ERROR (Status)) {\r |
| | 1922 | return FALSE;\r |
| | 1923 | }\r |
| | 1924 | \r |
| | 1925 | return TRUE;\r |
| | 1926 | } else {\r |
| | 1927 | return TRUE;\r |
| | 1928 | }\r |
| | 1929 | }\r |
| | 1930 | \r |
projects / mirror_edk2.git / blame_incremental