| 05fbd06d |
1 | /**@file\r |
| 2 | PS/2 Keyboard driver\r |
| 3 | Routines that access 8042 keyboard controller\r |
| 4 | \r |
| df0dcb5e |
5 | Copyright (c) 2006 - 2007, Intel Corporation\r |
| 6 | All rights reserved. This program and the accompanying materials\r |
| 7 | are licensed and made available under the terms and conditions of the BSD License\r |
| 8 | which accompanies this distribution. The full text of the license may be found at\r |
| 9 | http://opensource.org/licenses/bsd-license.php\r |
| 10 | \r |
| 11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 05fbd06d |
13 | \r |
| 14 | **/\r |
| 15 | \r |
| 16 | //\r |
| 17 | // Include common header file for this module.\r |
| 18 | //\r |
| 05fbd06d |
19 | #include "Ps2Keyboard.h"\r |
| 20 | \r |
| 21 | //\r |
| 22 | // Function declarations\r |
| 23 | //\r |
| 24 | STATIC\r |
| 25 | UINT8\r |
| 26 | KeyReadDataRegister (\r |
| 27 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| 28 | );\r |
| 29 | \r |
| 30 | STATIC\r |
| 31 | VOID\r |
| 32 | KeyWriteDataRegister (\r |
| 33 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 34 | IN UINT8 Data\r |
| 35 | );\r |
| 36 | \r |
| 37 | STATIC\r |
| 38 | VOID\r |
| 39 | KeyWriteCommandRegister (\r |
| 40 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 41 | IN UINT8 Data\r |
| 42 | );\r |
| 43 | \r |
| 44 | STATIC\r |
| 45 | VOID\r |
| 46 | KeyboardError (\r |
| 47 | IN KEYBOARD_CONSOLE_IN_DEV*ConsoleIn,\r |
| 48 | IN CHAR16 *ErrMsg // should be a unicode string\r |
| 49 | );\r |
| 50 | \r |
| 51 | STATIC\r |
| 52 | EFI_STATUS\r |
| 53 | GetScancodeBufHead (\r |
| 54 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 55 | IN UINT32 Count,\r |
| 56 | OUT UINT8 *Buf\r |
| 57 | );\r |
| 58 | \r |
| 59 | STATIC\r |
| 60 | EFI_STATUS\r |
| 61 | PopScancodeBufHead (\r |
| 62 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 63 | IN UINT32 Count,\r |
| 64 | OUT UINT8 *Buf\r |
| 65 | );\r |
| 66 | \r |
| 67 | STATIC\r |
| 68 | EFI_STATUS\r |
| 69 | KeyboardWrite (\r |
| 70 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 71 | IN UINT8 Data\r |
| 72 | );\r |
| 73 | \r |
| 74 | STATIC\r |
| 75 | EFI_STATUS\r |
| 76 | KeyboardCommand (\r |
| 77 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 78 | IN UINT8 Data\r |
| 79 | );\r |
| 80 | \r |
| 81 | STATIC\r |
| 82 | EFI_STATUS\r |
| 83 | KeyboardWaitForValue (\r |
| 84 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 85 | IN UINT8 Value\r |
| 86 | );\r |
| 87 | \r |
| 05fbd06d |
88 | STATIC struct {\r |
| 89 | UINT8 ScanCode;\r |
| 90 | UINT16 EfiScanCode;\r |
| 91 | CHAR16 UnicodeChar;\r |
| 92 | CHAR16 ShiftUnicodeChar;\r |
| 93 | }\r |
| 94 | ConvertKeyboardScanCodeToEfiKey[] = {\r |
| 95 | \r |
| 96 | {\r |
| 97 | 0x01, // Escape\r |
| 98 | SCAN_ESC,\r |
| 99 | 0x00,\r |
| 100 | 0x00\r |
| 101 | },\r |
| 102 | {\r |
| 103 | 0x02,\r |
| 104 | SCAN_NULL,\r |
| 105 | '1',\r |
| 106 | '!'\r |
| 107 | },\r |
| 108 | {\r |
| 109 | 0x03,\r |
| 110 | SCAN_NULL,\r |
| 111 | '2',\r |
| 112 | '@'\r |
| 113 | },\r |
| 114 | {\r |
| 115 | 0x04,\r |
| 116 | SCAN_NULL,\r |
| 117 | '3',\r |
| 118 | '#'\r |
| 119 | },\r |
| 120 | {\r |
| 121 | 0x05,\r |
| 122 | SCAN_NULL,\r |
| 123 | '4',\r |
| 124 | '$'\r |
| 125 | },\r |
| 126 | {\r |
| 127 | 0x06,\r |
| 128 | SCAN_NULL,\r |
| 129 | '5',\r |
| 130 | '%'\r |
| 131 | },\r |
| 132 | {\r |
| 133 | 0x07,\r |
| 134 | SCAN_NULL,\r |
| 135 | '6',\r |
| 136 | '^'\r |
| 137 | },\r |
| 138 | {\r |
| 139 | 0x08,\r |
| 140 | SCAN_NULL,\r |
| 141 | '7',\r |
| 142 | '&'\r |
| 143 | },\r |
| 144 | {\r |
| 145 | 0x09,\r |
| 146 | SCAN_NULL,\r |
| 147 | '8',\r |
| 148 | '*'\r |
| 149 | },\r |
| 150 | {\r |
| 151 | 0x0A,\r |
| 152 | SCAN_NULL,\r |
| 153 | '9',\r |
| 154 | '('\r |
| 155 | },\r |
| 156 | {\r |
| 157 | 0x0B,\r |
| 158 | SCAN_NULL,\r |
| 159 | '0',\r |
| 160 | ')'\r |
| 161 | },\r |
| 162 | {\r |
| 163 | 0x0C,\r |
| 164 | SCAN_NULL,\r |
| 165 | '-',\r |
| 166 | '_'\r |
| 167 | },\r |
| 168 | {\r |
| 169 | 0x0D,\r |
| 170 | SCAN_NULL,\r |
| 171 | '=',\r |
| 172 | '+'\r |
| 173 | },\r |
| 174 | {\r |
| 175 | 0x0E, // BackSpace\r |
| 176 | SCAN_NULL,\r |
| 177 | 0x08,\r |
| 178 | 0x08\r |
| 179 | },\r |
| 180 | {\r |
| 181 | 0x0F, // Tab\r |
| 182 | SCAN_NULL,\r |
| 183 | 0x09,\r |
| 184 | 0x09\r |
| 185 | },\r |
| 186 | {\r |
| 187 | 0x10,\r |
| 188 | SCAN_NULL,\r |
| 189 | 'q',\r |
| 190 | 'Q'\r |
| 191 | },\r |
| 192 | {\r |
| 193 | 0x11,\r |
| 194 | SCAN_NULL,\r |
| 195 | 'w',\r |
| 196 | 'W'\r |
| 197 | },\r |
| 198 | {\r |
| 199 | 0x12,\r |
| 200 | SCAN_NULL,\r |
| 201 | 'e',\r |
| 202 | 'E'\r |
| 203 | },\r |
| 204 | {\r |
| 205 | 0x13,\r |
| 206 | SCAN_NULL,\r |
| 207 | 'r',\r |
| 208 | 'R'\r |
| 209 | },\r |
| 210 | {\r |
| 211 | 0x14,\r |
| 212 | SCAN_NULL,\r |
| 213 | 't',\r |
| 214 | 'T'\r |
| 215 | },\r |
| 216 | {\r |
| 217 | 0x15,\r |
| 218 | SCAN_NULL,\r |
| 219 | 'y',\r |
| 220 | 'Y'\r |
| 221 | },\r |
| 222 | {\r |
| 223 | 0x16,\r |
| 224 | SCAN_NULL,\r |
| 225 | 'u',\r |
| 226 | 'U'\r |
| 227 | },\r |
| 228 | {\r |
| 229 | 0x17,\r |
| 230 | SCAN_NULL,\r |
| 231 | 'i',\r |
| 232 | 'I'\r |
| 233 | },\r |
| 234 | {\r |
| 235 | 0x18,\r |
| 236 | SCAN_NULL,\r |
| 237 | 'o',\r |
| 238 | 'O'\r |
| 239 | },\r |
| 240 | {\r |
| 241 | 0x19,\r |
| 242 | SCAN_NULL,\r |
| 243 | 'p',\r |
| 244 | 'P'\r |
| 245 | },\r |
| 246 | {\r |
| 247 | 0x1a,\r |
| 248 | SCAN_NULL,\r |
| 249 | '[',\r |
| 250 | '{'\r |
| 251 | },\r |
| 252 | {\r |
| 253 | 0x1b,\r |
| 254 | SCAN_NULL,\r |
| 255 | ']',\r |
| 256 | '}'\r |
| 257 | },\r |
| 258 | {\r |
| 259 | 0x1c, // Enter\r |
| 260 | SCAN_NULL,\r |
| 261 | 0x0d,\r |
| 262 | 0x0d\r |
| 263 | },\r |
| 264 | {\r |
| 265 | 0x1d,\r |
| 266 | SCAN_NULL,\r |
| 267 | 0x00,\r |
| 268 | 0x00\r |
| 269 | },\r |
| 270 | {\r |
| 271 | 0x1e,\r |
| 272 | SCAN_NULL,\r |
| 273 | 'a',\r |
| 274 | 'A'\r |
| 275 | },\r |
| 276 | {\r |
| 277 | 0x1f,\r |
| 278 | SCAN_NULL,\r |
| 279 | 's',\r |
| 280 | 'S'\r |
| 281 | },\r |
| 282 | {\r |
| 283 | 0x20,\r |
| 284 | SCAN_NULL,\r |
| 285 | 'd',\r |
| 286 | 'D'\r |
| 287 | },\r |
| 288 | {\r |
| 289 | 0x21,\r |
| 290 | SCAN_NULL,\r |
| 291 | 'f',\r |
| 292 | 'F'\r |
| 293 | },\r |
| 294 | {\r |
| 295 | 0x22,\r |
| 296 | SCAN_NULL,\r |
| 297 | 'g',\r |
| 298 | 'G'\r |
| 299 | },\r |
| 300 | {\r |
| 301 | 0x23,\r |
| 302 | SCAN_NULL,\r |
| 303 | 'h',\r |
| 304 | 'H'\r |
| 305 | },\r |
| 306 | {\r |
| 307 | 0x24,\r |
| 308 | SCAN_NULL,\r |
| 309 | 'j',\r |
| 310 | 'J'\r |
| 311 | },\r |
| 312 | {\r |
| 313 | 0x25,\r |
| 314 | SCAN_NULL,\r |
| 315 | 'k',\r |
| 316 | 'K'\r |
| 317 | },\r |
| 318 | {\r |
| 319 | 0x26,\r |
| 320 | SCAN_NULL,\r |
| 321 | 'l',\r |
| 322 | 'L'\r |
| 323 | },\r |
| 324 | {\r |
| 325 | 0x27,\r |
| 326 | SCAN_NULL,\r |
| 327 | ';',\r |
| 328 | ':'\r |
| 329 | },\r |
| 330 | {\r |
| 331 | 0x28,\r |
| 332 | SCAN_NULL,\r |
| 333 | '\'',\r |
| 334 | '"'\r |
| 335 | },\r |
| 336 | {\r |
| 337 | 0x29,\r |
| 338 | SCAN_NULL,\r |
| 339 | '`',\r |
| 340 | '~'\r |
| 341 | },\r |
| 342 | {\r |
| 343 | 0x2a, // Left Shift\r |
| 344 | SCAN_NULL,\r |
| 345 | 0x00,\r |
| 346 | 0x00\r |
| 347 | },\r |
| 348 | {\r |
| 349 | 0x2b,\r |
| 350 | SCAN_NULL,\r |
| 351 | '\\',\r |
| 352 | '|'\r |
| 353 | },\r |
| 354 | {\r |
| 355 | 0x2c,\r |
| 356 | SCAN_NULL,\r |
| 357 | 'z',\r |
| 358 | 'Z'\r |
| 359 | },\r |
| 360 | {\r |
| 361 | 0x2d,\r |
| 362 | SCAN_NULL,\r |
| 363 | 'x',\r |
| 364 | 'X'\r |
| 365 | },\r |
| 366 | {\r |
| 367 | 0x2e,\r |
| 368 | SCAN_NULL,\r |
| 369 | 'c',\r |
| 370 | 'C'\r |
| 371 | },\r |
| 372 | {\r |
| 373 | 0x2f,\r |
| 374 | SCAN_NULL,\r |
| 375 | 'v',\r |
| 376 | 'V'\r |
| 377 | },\r |
| 378 | {\r |
| 379 | 0x30,\r |
| 380 | SCAN_NULL,\r |
| 381 | 'b',\r |
| 382 | 'B'\r |
| 383 | },\r |
| 384 | {\r |
| 385 | 0x31,\r |
| 386 | SCAN_NULL,\r |
| 387 | 'n',\r |
| 388 | 'N'\r |
| 389 | },\r |
| 390 | {\r |
| 391 | 0x32,\r |
| 392 | SCAN_NULL,\r |
| 393 | 'm',\r |
| 394 | 'M'\r |
| 395 | },\r |
| 396 | {\r |
| 397 | 0x33,\r |
| 398 | SCAN_NULL,\r |
| 399 | ',',\r |
| 400 | '<'\r |
| 401 | },\r |
| 402 | {\r |
| 403 | 0x34,\r |
| 404 | SCAN_NULL,\r |
| 405 | '.',\r |
| 406 | '>'\r |
| 407 | },\r |
| 408 | {\r |
| 409 | 0x35,\r |
| 410 | SCAN_NULL,\r |
| 411 | '/',\r |
| 412 | '?'\r |
| 413 | },\r |
| 414 | {\r |
| 415 | 0x36, //Right Shift\r |
| 416 | SCAN_NULL,\r |
| 417 | 0x00,\r |
| 418 | 0x00\r |
| 419 | },\r |
| 420 | {\r |
| 421 | 0x37, // Numeric Keypad *\r |
| 422 | SCAN_NULL,\r |
| 423 | '*',\r |
| 424 | '*'\r |
| 425 | },\r |
| 426 | {\r |
| 427 | 0x38, //Left Alt/Extended Right Alt\r |
| 428 | SCAN_NULL,\r |
| 429 | 0x00,\r |
| 430 | 0x00\r |
| 431 | },\r |
| 432 | {\r |
| 433 | 0x39,\r |
| 434 | SCAN_NULL,\r |
| 435 | ' ',\r |
| 436 | ' '\r |
| 437 | },\r |
| 438 | {\r |
| 439 | 0x3A, //CapsLock\r |
| 440 | SCAN_NULL,\r |
| 441 | 0x00,\r |
| 442 | 0x00\r |
| 443 | },\r |
| 444 | {\r |
| 445 | 0x3B,\r |
| 446 | SCAN_F1,\r |
| 447 | 0x00,\r |
| 448 | 0x00\r |
| 449 | },\r |
| 450 | {\r |
| 451 | 0x3C,\r |
| 452 | SCAN_F2,\r |
| 453 | 0x00,\r |
| 454 | 0x00\r |
| 455 | },\r |
| 456 | {\r |
| 457 | 0x3D,\r |
| 458 | SCAN_F3,\r |
| 459 | 0x00,\r |
| 460 | 0x00\r |
| 461 | },\r |
| 462 | {\r |
| 463 | 0x3E,\r |
| 464 | SCAN_F4,\r |
| 465 | 0x00,\r |
| 466 | 0x00\r |
| 467 | },\r |
| 468 | {\r |
| 469 | 0x3F,\r |
| 470 | SCAN_F5,\r |
| 471 | 0x00,\r |
| 472 | 0x00\r |
| 473 | },\r |
| 474 | {\r |
| 475 | 0x40,\r |
| 476 | SCAN_F6,\r |
| 477 | 0x00,\r |
| 478 | 0x00\r |
| 479 | },\r |
| 480 | {\r |
| 481 | 0x41,\r |
| 482 | SCAN_F7,\r |
| 483 | 0x00,\r |
| 484 | 0x00\r |
| 485 | },\r |
| 486 | {\r |
| 487 | 0x42,\r |
| 488 | SCAN_F8,\r |
| 489 | 0x00,\r |
| 490 | 0x00\r |
| 491 | },\r |
| 492 | {\r |
| 493 | 0x43,\r |
| 494 | SCAN_F9,\r |
| 495 | 0x00,\r |
| 496 | 0x00\r |
| 497 | },\r |
| 498 | {\r |
| 499 | 0x44,\r |
| 500 | SCAN_F10,\r |
| 501 | 0x00,\r |
| 502 | 0x00\r |
| 503 | },\r |
| 504 | {\r |
| 505 | 0x45, // NumLock\r |
| 506 | SCAN_NULL,\r |
| 507 | 0x00,\r |
| 508 | 0x00\r |
| 509 | },\r |
| 510 | {\r |
| 511 | 0x46, // ScrollLock\r |
| 512 | SCAN_NULL,\r |
| 513 | 0x00,\r |
| 514 | 0x00\r |
| 515 | },\r |
| 516 | {\r |
| 517 | 0x47,\r |
| 518 | SCAN_HOME,\r |
| 519 | '7',\r |
| 520 | '7'\r |
| 521 | },\r |
| 522 | {\r |
| 523 | 0x48,\r |
| 524 | SCAN_UP,\r |
| 525 | '8',\r |
| 526 | '8'\r |
| 527 | },\r |
| 528 | {\r |
| 529 | 0x49,\r |
| 530 | SCAN_PAGE_UP,\r |
| 531 | '9',\r |
| 532 | '9'\r |
| 533 | },\r |
| 534 | {\r |
| 535 | 0x4a,\r |
| 536 | SCAN_NULL,\r |
| 537 | '-',\r |
| 538 | '-'\r |
| 539 | },\r |
| 540 | {\r |
| 541 | 0x4b,\r |
| 542 | SCAN_LEFT,\r |
| 543 | '4',\r |
| 544 | '4'\r |
| 545 | },\r |
| 546 | {\r |
| 547 | 0x4c, // Numeric Keypad 5\r |
| 548 | SCAN_NULL,\r |
| 549 | '5',\r |
| 550 | '5'\r |
| 551 | },\r |
| 552 | {\r |
| 553 | 0x4d,\r |
| 554 | SCAN_RIGHT,\r |
| 555 | '6',\r |
| 556 | '6'\r |
| 557 | },\r |
| 558 | {\r |
| 559 | 0x4e,\r |
| 560 | SCAN_NULL,\r |
| 561 | '+',\r |
| 562 | '+'\r |
| 563 | },\r |
| 564 | {\r |
| 565 | 0x4f,\r |
| 566 | SCAN_END,\r |
| 567 | '1',\r |
| 568 | '1'\r |
| 569 | },\r |
| 570 | {\r |
| 571 | 0x50,\r |
| 572 | SCAN_DOWN,\r |
| 573 | '2',\r |
| 574 | '2'\r |
| 575 | },\r |
| 576 | {\r |
| 577 | 0x51,\r |
| 578 | SCAN_PAGE_DOWN,\r |
| 579 | '3',\r |
| 580 | '3'\r |
| 581 | },\r |
| 582 | {\r |
| 583 | 0x52,\r |
| 584 | SCAN_INSERT,\r |
| 585 | '0',\r |
| 586 | '0'\r |
| 587 | },\r |
| 588 | {\r |
| 589 | 0x53,\r |
| 590 | SCAN_DELETE,\r |
| 591 | '.',\r |
| 592 | '.'\r |
| 593 | },\r |
| 594 | {\r |
| 595 | 0x57,\r |
| 596 | SCAN_F11,\r |
| 597 | 0x00,\r |
| 598 | 0x00\r |
| 599 | },\r |
| 600 | {\r |
| 601 | 0x58,\r |
| 602 | SCAN_F12,\r |
| 603 | 0x00,\r |
| 604 | 0x00\r |
| 605 | },\r |
| f3d1e940 |
606 | {\r |
| 607 | 0x5B, //Left LOGO\r |
| 608 | SCAN_NULL,\r |
| 609 | 0x00,\r |
| 610 | 0x00\r |
| 611 | }, \r |
| 612 | {\r |
| 613 | 0x5C, //Right LOGO\r |
| 614 | SCAN_NULL,\r |
| 615 | 0x00,\r |
| 616 | 0x00\r |
| 617 | }, \r |
| 618 | {\r |
| 619 | 0x5D, //Menu key\r |
| 620 | SCAN_NULL,\r |
| 621 | 0x00,\r |
| 622 | 0x00\r |
| 623 | }, \r |
| 05fbd06d |
624 | {\r |
| 625 | TABLE_END,\r |
| 626 | TABLE_END,\r |
| 627 | SCAN_NULL,\r |
| 628 | SCAN_NULL\r |
| 629 | },\r |
| 630 | };\r |
| 631 | \r |
| 632 | \r |
| 633 | //\r |
| 634 | // The WaitForValue time out\r |
| 635 | //\r |
| 636 | STATIC UINTN mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
| 637 | \r |
| bcd70414 |
638 | /**\r |
| 639 | Read data register \r |
| 640 | \r |
| 641 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 642 | \r |
| 643 | @return return the value \r |
| 644 | \r |
| 645 | **/\r |
| 05fbd06d |
646 | STATIC\r |
| 647 | UINT8\r |
| 648 | KeyReadDataRegister (\r |
| 649 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| 650 | )\r |
| 05fbd06d |
651 | \r |
| 05fbd06d |
652 | {\r |
| 653 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
| 654 | UINT8 Data;\r |
| 655 | \r |
| 656 | //\r |
| 657 | // Use IsaIo protocol to perform IO operations\r |
| 658 | //\r |
| 659 | IsaIo = ConsoleIn->IsaIo;\r |
| 660 | \r |
| 661 | IsaIo->Io.Read (\r |
| 662 | IsaIo,\r |
| 663 | EfiIsaIoWidthUint8,\r |
| 664 | ConsoleIn->DataRegisterAddress,\r |
| 665 | 1,\r |
| 666 | &Data\r |
| 667 | );\r |
| 668 | \r |
| 669 | return Data;\r |
| 670 | }\r |
| 671 | \r |
| bcd70414 |
672 | /**\r |
| 673 | Write data register\r |
| 674 | \r |
| 675 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 676 | @param Data value wanted to be written\r |
| 677 | \r |
| 678 | **/\r |
| 05fbd06d |
679 | STATIC\r |
| 680 | VOID\r |
| 681 | KeyWriteDataRegister (\r |
| 682 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 683 | IN UINT8 Data\r |
| 684 | )\r |
| 05fbd06d |
685 | \r |
| 05fbd06d |
686 | {\r |
| 687 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
| 688 | \r |
| 689 | //\r |
| 690 | // Use IsaIo protocol to perform IO operations\r |
| 691 | //\r |
| 692 | IsaIo = ConsoleIn->IsaIo;\r |
| 693 | \r |
| 694 | IsaIo->Io.Write (\r |
| 695 | IsaIo,\r |
| 696 | EfiIsaIoWidthUint8,\r |
| 697 | ConsoleIn->DataRegisterAddress,\r |
| 698 | 1,\r |
| 699 | &Data\r |
| 700 | );\r |
| 701 | \r |
| 702 | //\r |
| 703 | // outp(ConsoleIn->DataRegisterAddress, Data);\r |
| 704 | //\r |
| 705 | }\r |
| 706 | \r |
| bcd70414 |
707 | /**\r |
| 708 | Read status register\r |
| 709 | \r |
| 710 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 711 | \r |
| 712 | @return value in status register\r |
| 713 | \r |
| 714 | **/\r |
| 05fbd06d |
715 | UINT8\r |
| 716 | KeyReadStatusRegister (\r |
| 717 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| 718 | )\r |
| 05fbd06d |
719 | {\r |
| 720 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
| 721 | UINT8 Data;\r |
| 722 | \r |
| 723 | //\r |
| 724 | // Use IsaIo protocol to perform IO operations\r |
| 725 | //\r |
| 726 | IsaIo = ConsoleIn->IsaIo;\r |
| 727 | \r |
| 728 | IsaIo->Io.Read (\r |
| 729 | IsaIo,\r |
| 730 | EfiIsaIoWidthUint8,\r |
| 731 | ConsoleIn->StatusRegisterAddress,\r |
| 732 | 1,\r |
| 733 | &Data\r |
| 734 | );\r |
| 735 | \r |
| 736 | return Data;\r |
| 737 | \r |
| 738 | }\r |
| 739 | \r |
| bcd70414 |
740 | /**\r |
| 741 | Write command register \r |
| 742 | \r |
| 743 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 744 | @param Data The value wanted to be written\r |
| 745 | \r |
| 746 | **/\r |
| 747 | \r |
| 05fbd06d |
748 | STATIC\r |
| 749 | VOID\r |
| 750 | KeyWriteCommandRegister (\r |
| 751 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 752 | IN UINT8 Data\r |
| 753 | )\r |
| 05fbd06d |
754 | {\r |
| 755 | EFI_ISA_IO_PROTOCOL *IsaIo;\r |
| 756 | \r |
| 757 | //\r |
| 758 | // Use IsaIo protocol to perform IO operations\r |
| 759 | //\r |
| 760 | IsaIo = ConsoleIn->IsaIo;\r |
| 761 | \r |
| 762 | IsaIo->Io.Write (\r |
| 763 | IsaIo,\r |
| 764 | EfiIsaIoWidthUint8,\r |
| 765 | ConsoleIn->CommandRegisterAddress,\r |
| 766 | 1,\r |
| 767 | &Data\r |
| 768 | );\r |
| 769 | \r |
| 770 | }\r |
| 771 | \r |
| bcd70414 |
772 | /**\r |
| 773 | Display error message\r |
| 774 | \r |
| 775 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 776 | @param ErrMsg Unicode string of error message\r |
| 777 | \r |
| 778 | **/\r |
| 05fbd06d |
779 | STATIC\r |
| 780 | VOID\r |
| 781 | KeyboardError (\r |
| 782 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 783 | IN CHAR16 *ErrMsg\r |
| 784 | )\r |
| 05fbd06d |
785 | {\r |
| 786 | ConsoleIn->KeyboardErr = TRUE;\r |
| 787 | \r |
| 788 | //\r |
| 789 | // gST -> ConOut -> OutputString (gST -> ConOut, L"Keyboard Driver: ");\r |
| 790 | // gST -> ConOut -> OutputString (gST -> ConOut, ErrMsg);\r |
| 791 | //\r |
| 792 | }\r |
| 793 | \r |
| bcd70414 |
794 | /**\r |
| 05fbd06d |
795 | Timer event handler: read a series of scancodes from 8042\r |
| 796 | and put them into memory scancode buffer.\r |
| 797 | it read as much scancodes to either fill\r |
| 798 | the memory buffer or empty the keyboard buffer.\r |
| 799 | It is registered as running under TPL_NOTIFY\r |
| 800 | \r |
| bcd70414 |
801 | @param Event - The timer event\r |
| 802 | @param Context - A KEYBOARD_CONSOLE_IN_DEV pointer\r |
| 05fbd06d |
803 | \r |
| bcd70414 |
804 | **/\r |
| 805 | VOID\r |
| 806 | EFIAPI\r |
| 807 | KeyboardTimerHandler (\r |
| 808 | IN EFI_EVENT Event,\r |
| 809 | IN VOID *Context\r |
| 810 | )\r |
| 05fbd06d |
811 | \r |
| 05fbd06d |
812 | {\r |
| 813 | UINT8 Data;\r |
| 814 | EFI_TPL OldTpl;\r |
| 815 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn;\r |
| 816 | \r |
| 817 | ConsoleIn = Context;\r |
| 818 | \r |
| 819 | //\r |
| 820 | // Enter critical section\r |
| 821 | //\r |
| 822 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
| 823 | \r |
| 824 | if (((KEYBOARD_CONSOLE_IN_DEV *) Context)->KeyboardErr) {\r |
| 825 | //\r |
| 826 | // Leave critical section and return\r |
| 827 | //\r |
| 828 | gBS->RestoreTPL (OldTpl);\r |
| 829 | return ;\r |
| 830 | }\r |
| 831 | //\r |
| 832 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r |
| 833 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r |
| 834 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r |
| 835 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r |
| 836 | // Just skip the 'resend' process simply.\r |
| 837 | //\r |
| 838 | \r |
| 839 | Data = 0;\r |
| 840 | \r |
| 841 | //\r |
| 842 | // if there is no key present, just return\r |
| 843 | //\r |
| 844 | if ((KeyReadStatusRegister (Context) & 0x21) != 0x1) {\r |
| 845 | //\r |
| 846 | // Leave critical section and return\r |
| 847 | //\r |
| 848 | gBS->RestoreTPL (OldTpl);\r |
| 849 | \r |
| 850 | return ;\r |
| 851 | }\r |
| 852 | //\r |
| 853 | // Read one byte of the scan code and store it into the memory buffer\r |
| 854 | //\r |
| 855 | if (ConsoleIn->ScancodeBufCount < KEYBOARD_BUFFER_MAX_COUNT) {\r |
| 856 | \r |
| 857 | Data = KeyReadDataRegister (Context);\r |
| 858 | //\r |
| 859 | // put the scancode into the memory scancode buffer\r |
| 860 | //\r |
| 861 | ConsoleIn->ScancodeBufCount++;\r |
| 862 | ConsoleIn->ScancodeBufEndPos++;\r |
| 863 | if (ConsoleIn->ScancodeBufEndPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r |
| 864 | ConsoleIn->ScancodeBufEndPos = 0;\r |
| 865 | }\r |
| 866 | \r |
| 867 | ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufEndPos] = Data;\r |
| 868 | \r |
| 869 | //\r |
| 870 | // Handle Alt+Ctrl+Del Key combination\r |
| 871 | //\r |
| 872 | switch (Data) {\r |
| 873 | case SCANCODE_CTRL_MAKE:\r |
| 874 | ConsoleIn->Ctrled = TRUE;\r |
| 875 | break;\r |
| 876 | \r |
| 877 | case SCANCODE_CTRL_BREAK:\r |
| 878 | ConsoleIn->Ctrled = FALSE;\r |
| 879 | break;\r |
| 880 | \r |
| 881 | case SCANCODE_ALT_MAKE:\r |
| 882 | ConsoleIn->Alted = TRUE;\r |
| 883 | break;\r |
| 884 | \r |
| 885 | case SCANCODE_ALT_BREAK:\r |
| 886 | ConsoleIn->Alted = FALSE;\r |
| 887 | break;\r |
| 888 | }\r |
| 889 | //\r |
| 890 | // if Alt+Ctrl+Del, Reboot the System\r |
| 891 | //\r |
| 892 | if (ConsoleIn->Ctrled && ConsoleIn->Alted && Data == 0x53) {\r |
| 893 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r |
| 894 | }\r |
| 895 | }\r |
| 896 | //\r |
| 897 | // Leave critical section and return\r |
| 898 | //\r |
| 899 | gBS->RestoreTPL (OldTpl);\r |
| 900 | \r |
| 901 | return ;\r |
| 902 | }\r |
| 903 | \r |
| bcd70414 |
904 | /**\r |
| 905 | Read several bytes from the scancode buffer without removing them.\r |
| 906 | This function is called to see if there are enough bytes of scancode\r |
| 907 | representing a single key.\r |
| 908 | \r |
| 909 | @param Count - Number of bytes to be read\r |
| 910 | @param Buf - Store the results\r |
| 911 | \r |
| 912 | @retval EFI_SUCCESS success to scan the keyboard code\r |
| 913 | @retval EFI_NOT_READY invalid parameter\r |
| 914 | **/\r |
| 05fbd06d |
915 | STATIC\r |
| 916 | EFI_STATUS\r |
| 917 | GetScancodeBufHead (\r |
| 918 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 919 | IN UINT32 Count,\r |
| 920 | OUT UINT8 *Buf\r |
| 921 | )\r |
| 05fbd06d |
922 | {\r |
| 923 | UINT32 Index;\r |
| 924 | UINT32 Pos;\r |
| 925 | \r |
| 926 | Index = 0;\r |
| 927 | Pos = 0;\r |
| 928 | \r |
| 929 | //\r |
| 930 | // check the valid range of parameter 'Count'\r |
| 931 | //\r |
| 932 | if (Count <= 0 || ConsoleIn->ScancodeBufCount < Count) {\r |
| 933 | return EFI_NOT_READY;\r |
| 934 | }\r |
| 935 | //\r |
| 936 | // retrieve the values\r |
| 937 | //\r |
| 938 | for (Index = 0; Index < Count; Index++) {\r |
| 939 | \r |
| 940 | if (Index == 0) {\r |
| 941 | \r |
| 942 | Pos = ConsoleIn->ScancodeBufStartPos;\r |
| 943 | } else {\r |
| 944 | \r |
| 945 | Pos = Pos + 1;\r |
| 946 | if (Pos >= KEYBOARD_BUFFER_MAX_COUNT) {\r |
| 947 | Pos = 0;\r |
| 948 | }\r |
| 949 | }\r |
| 950 | \r |
| 951 | Buf[Index] = ConsoleIn->ScancodeBuf[Pos];\r |
| 952 | }\r |
| 953 | \r |
| 954 | return EFI_SUCCESS;\r |
| 955 | }\r |
| 956 | \r |
| bcd70414 |
957 | /**\r |
| 958 | \r |
| 959 | Read & remove several bytes from the scancode buffer.\r |
| 960 | This function is usually called after GetScancodeBufHead()\r |
| 961 | \r |
| 962 | @param Count - Number of bytes to be read\r |
| 963 | @param Buf - Store the results\r |
| 964 | \r |
| 965 | @retval EFI_SUCCESS success to scan the keyboard code\r |
| 966 | @retval EFI_NOT_READY invalid parameter\r |
| 967 | **/\r |
| 05fbd06d |
968 | STATIC\r |
| 969 | EFI_STATUS\r |
| 970 | PopScancodeBufHead (\r |
| 971 | KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 972 | IN UINT32 Count,\r |
| 973 | OUT UINT8 *Buf\r |
| 974 | )\r |
| 05fbd06d |
975 | {\r |
| 976 | UINT32 Index;\r |
| 977 | \r |
| 978 | Index = 0;\r |
| 979 | \r |
| 980 | //\r |
| 981 | // Check the valid range of parameter 'Count'\r |
| 982 | //\r |
| 983 | if (Count <= 0 || ConsoleIn->ScancodeBufCount < Count) {\r |
| 984 | return EFI_NOT_READY;\r |
| 985 | }\r |
| 986 | //\r |
| 987 | // Retrieve and remove the values\r |
| 988 | //\r |
| 989 | for (Index = 0; Index < Count; Index++) {\r |
| 990 | \r |
| 991 | if (Index != 0) {\r |
| 992 | \r |
| 993 | ConsoleIn->ScancodeBufStartPos++;\r |
| 994 | if (ConsoleIn->ScancodeBufStartPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r |
| 995 | ConsoleIn->ScancodeBufStartPos = 0;\r |
| 996 | }\r |
| 997 | }\r |
| 998 | \r |
| 999 | Buf[Index] = ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufStartPos];\r |
| 1000 | ConsoleIn->ScancodeBufCount--;\r |
| 1001 | }\r |
| 1002 | \r |
| 1003 | ConsoleIn->ScancodeBufStartPos++;\r |
| 1004 | if (ConsoleIn->ScancodeBufStartPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r |
| 1005 | ConsoleIn->ScancodeBufStartPos = 0;\r |
| 1006 | }\r |
| 1007 | \r |
| 1008 | return EFI_SUCCESS;\r |
| 1009 | }\r |
| 1010 | \r |
| bcd70414 |
1011 | /**\r |
| 1012 | Read key value \r |
| 1013 | \r |
| 1014 | @param ConsoleIn - Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 1015 | @param Data - Pointer to outof buffer for keeping key value\r |
| 1016 | \r |
| 1017 | @retval EFI_TIMEOUT Status resigter time out\r |
| 1018 | @retval EFI_SUCCESS Success to read keyboard\r |
| 1019 | \r |
| 1020 | **/\r |
| 05fbd06d |
1021 | EFI_STATUS\r |
| 1022 | KeyboardRead (\r |
| 1023 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 1024 | OUT UINT8 *Data\r |
| 1025 | )\r |
| 05fbd06d |
1026 | \r |
| 05fbd06d |
1027 | {\r |
| 1028 | UINT32 TimeOut;\r |
| 1029 | UINT32 RegFilled;\r |
| 1030 | \r |
| 1031 | TimeOut = 0;\r |
| 1032 | RegFilled = 0;\r |
| 1033 | \r |
| 1034 | //\r |
| 1035 | // wait till output buffer full then perform the read\r |
| 1036 | //\r |
| 1037 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| 1038 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r |
| 1039 | RegFilled = 1;\r |
| 1040 | *Data = KeyReadDataRegister (ConsoleIn);\r |
| 1041 | break;\r |
| 1042 | }\r |
| 1043 | \r |
| 1044 | gBS->Stall (30);\r |
| 1045 | }\r |
| 1046 | \r |
| 1047 | if (!RegFilled) {\r |
| 1048 | return EFI_TIMEOUT;\r |
| 1049 | }\r |
| 1050 | \r |
| 1051 | return EFI_SUCCESS;\r |
| 1052 | }\r |
| 1053 | \r |
| bcd70414 |
1054 | /**\r |
| 1055 | write key to keyboard\r |
| 1056 | \r |
| 1057 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 1058 | @param Data value wanted to be written\r |
| 1059 | \r |
| 1060 | @retval EFI_TIMEOUT - GC_TODO: Add description for return value\r |
| 1061 | @retval EFI_SUCCESS - GC_TODO: Add description for return value\r |
| 1062 | \r |
| 1063 | **/\r |
| 05fbd06d |
1064 | STATIC\r |
| 1065 | EFI_STATUS\r |
| 1066 | KeyboardWrite (\r |
| 1067 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 1068 | IN UINT8 Data\r |
| 1069 | )\r |
| 05fbd06d |
1070 | {\r |
| 1071 | UINT32 TimeOut;\r |
| 1072 | UINT32 RegEmptied;\r |
| 1073 | \r |
| 1074 | TimeOut = 0;\r |
| 1075 | RegEmptied = 0;\r |
| 1076 | \r |
| 1077 | //\r |
| 1078 | // wait for input buffer empty\r |
| 1079 | //\r |
| 1080 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| 1081 | if (!(KeyReadStatusRegister (ConsoleIn) & 0x02)) {\r |
| 1082 | RegEmptied = 1;\r |
| 1083 | break;\r |
| 1084 | }\r |
| 1085 | \r |
| 1086 | gBS->Stall (30);\r |
| 1087 | }\r |
| 1088 | \r |
| 1089 | if (!RegEmptied) {\r |
| 1090 | return EFI_TIMEOUT;\r |
| 1091 | }\r |
| 1092 | //\r |
| 1093 | // Write it\r |
| 1094 | //\r |
| 1095 | KeyWriteDataRegister (ConsoleIn, Data);\r |
| 1096 | \r |
| 1097 | return EFI_SUCCESS;\r |
| 1098 | }\r |
| 1099 | \r |
| bcd70414 |
1100 | /**\r |
| 1101 | Issue keyboard command\r |
| 1102 | \r |
| 1103 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 1104 | @param Data The buff holding the command \r |
| 1105 | \r |
| 1106 | @retval EFI_TIMEOUT Keyboard is not ready to issuing \r |
| 1107 | @retval EFI_SUCCESS Success to issue keyboard command\r |
| 1108 | \r |
| 1109 | **/\r |
| 05fbd06d |
1110 | STATIC\r |
| 1111 | EFI_STATUS\r |
| 1112 | KeyboardCommand (\r |
| 1113 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 1114 | IN UINT8 Data\r |
| 1115 | )\r |
| 05fbd06d |
1116 | {\r |
| 1117 | UINT32 TimeOut;\r |
| 1118 | UINT32 RegEmptied;\r |
| 1119 | \r |
| 1120 | TimeOut = 0;\r |
| 1121 | RegEmptied = 0;\r |
| 1122 | \r |
| 1123 | //\r |
| 1124 | // Wait For Input Buffer Empty\r |
| 1125 | //\r |
| 1126 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| 1127 | if (!(KeyReadStatusRegister (ConsoleIn) & 0x02)) {\r |
| 1128 | RegEmptied = 1;\r |
| 1129 | break;\r |
| 1130 | }\r |
| 1131 | \r |
| 1132 | gBS->Stall (30);\r |
| 1133 | }\r |
| 1134 | \r |
| 1135 | if (!RegEmptied) {\r |
| 1136 | return EFI_TIMEOUT;\r |
| 1137 | }\r |
| 1138 | //\r |
| 1139 | // issue the command\r |
| 1140 | //\r |
| 1141 | KeyWriteCommandRegister (ConsoleIn, Data);\r |
| 1142 | \r |
| 1143 | //\r |
| 1144 | // Wait For Input Buffer Empty again\r |
| 1145 | //\r |
| 1146 | RegEmptied = 0;\r |
| 1147 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| 1148 | if (!(KeyReadStatusRegister (ConsoleIn) & 0x02)) {\r |
| 1149 | RegEmptied = 1;\r |
| 1150 | break;\r |
| 1151 | }\r |
| 1152 | \r |
| 1153 | gBS->Stall (30);\r |
| 1154 | }\r |
| 1155 | \r |
| 1156 | if (!RegEmptied) {\r |
| 1157 | return EFI_TIMEOUT;\r |
| 1158 | }\r |
| 1159 | \r |
| 1160 | return EFI_SUCCESS;\r |
| 1161 | }\r |
| 1162 | \r |
| bcd70414 |
1163 | /**\r |
| 1164 | wait for a specific value to be presented on\r |
| 1165 | 8042 Data register by keyboard and then read it,\r |
| 1166 | used in keyboard commands ack\r |
| 1167 | \r |
| 1168 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 1169 | @param Value the value wanted to be waited.\r |
| 1170 | \r |
| 1171 | @retval EFI_TIMEOUT Fail to get specific value in given time\r |
| 1172 | @retval EFI_SUCCESS Success to get specific value in given time.\r |
| 1173 | \r |
| 1174 | **/\r |
| 05fbd06d |
1175 | STATIC\r |
| 1176 | EFI_STATUS\r |
| 1177 | KeyboardWaitForValue (\r |
| 1178 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 1179 | IN UINT8 Value\r |
| 1180 | )\r |
| 05fbd06d |
1181 | {\r |
| 1182 | UINT8 Data;\r |
| 1183 | UINT32 TimeOut;\r |
| 1184 | UINT32 SumTimeOut;\r |
| 1185 | UINT32 GotIt;\r |
| 1186 | \r |
| 1187 | GotIt = 0;\r |
| 1188 | TimeOut = 0;\r |
| 1189 | SumTimeOut = 0;\r |
| 1190 | \r |
| 1191 | //\r |
| 1192 | // Make sure the initial value of 'Data' is different from 'Value'\r |
| 1193 | //\r |
| 1194 | Data = 0;\r |
| 1195 | if (Data == Value) {\r |
| 1196 | Data = 1;\r |
| 1197 | }\r |
| 1198 | //\r |
| 1199 | // Read from 8042 (multiple times if needed)\r |
| 1200 | // until the expected value appears\r |
| 1201 | // use SumTimeOut to control the iteration\r |
| 1202 | //\r |
| 1203 | while (1) {\r |
| 1204 | //\r |
| 1205 | // Perform a read\r |
| 1206 | //\r |
| 1207 | for (TimeOut = 0; TimeOut < KEYBOARD_TIMEOUT; TimeOut += 30) {\r |
| 1208 | if (KeyReadStatusRegister (ConsoleIn) & 0x01) {\r |
| 1209 | Data = KeyReadDataRegister (ConsoleIn);\r |
| 1210 | break;\r |
| 1211 | }\r |
| 1212 | \r |
| 1213 | gBS->Stall (30);\r |
| 1214 | }\r |
| 1215 | \r |
| 1216 | SumTimeOut += TimeOut;\r |
| 1217 | \r |
| 1218 | if (Data == Value) {\r |
| 1219 | GotIt = 1;\r |
| 1220 | break;\r |
| 1221 | }\r |
| 1222 | \r |
| 1223 | if (SumTimeOut >= mWaitForValueTimeOut) {\r |
| 1224 | break;\r |
| 1225 | }\r |
| 1226 | }\r |
| 1227 | //\r |
| 1228 | // Check results\r |
| 1229 | //\r |
| 1230 | if (GotIt) {\r |
| 1231 | return EFI_SUCCESS;\r |
| 1232 | } else {\r |
| 1233 | return EFI_TIMEOUT;\r |
| 1234 | }\r |
| 1235 | \r |
| 1236 | }\r |
| 1237 | \r |
| bcd70414 |
1238 | /**\r |
| 05fbd06d |
1239 | Show keyboard status lights according to\r |
| 1240 | indicators in ConsoleIn.\r |
| 1241 | \r |
| bcd70414 |
1242 | @param ConsoleIn Pointer to instance of KEYBOARD_CONSOLE_IN_DEV\r |
| 1243 | \r |
| 1244 | @return status\r |
| 05fbd06d |
1245 | \r |
| bcd70414 |
1246 | **/\r |
| 1247 | EFI_STATUS\r |
| 1248 | UpdateStatusLights (\r |
| 1249 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| 1250 | )\r |
| 05fbd06d |
1251 | {\r |
| 1252 | EFI_STATUS Status;\r |
| 1253 | UINT8 Command;\r |
| 1254 | \r |
| 1255 | //\r |
| 1256 | // Send keyboard command\r |
| 1257 | //\r |
| 1258 | Status = KeyboardWrite (ConsoleIn, 0xed);\r |
| 1259 | if (EFI_ERROR (Status)) {\r |
| 1260 | return Status;\r |
| 1261 | }\r |
| 1262 | \r |
| 1263 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r |
| 1264 | \r |
| 1265 | //\r |
| 1266 | // Light configuration\r |
| 1267 | //\r |
| 1268 | Command = 0;\r |
| 1269 | if (ConsoleIn->CapsLock) {\r |
| 1270 | Command |= 4;\r |
| 1271 | }\r |
| 1272 | \r |
| 1273 | if (ConsoleIn->NumLock) {\r |
| 1274 | Command |= 2;\r |
| 1275 | }\r |
| 1276 | \r |
| 1277 | if (ConsoleIn->ScrollLock) {\r |
| 1278 | Command |= 1;\r |
| 1279 | }\r |
| 1280 | \r |
| 1281 | Status = KeyboardWrite (ConsoleIn, Command);\r |
| 1282 | \r |
| 1283 | if (EFI_ERROR (Status)) {\r |
| 1284 | return Status;\r |
| 1285 | }\r |
| 1286 | \r |
| 1287 | KeyboardWaitForValue (ConsoleIn, 0xfa);\r |
| 1288 | return Status;\r |
| 1289 | }\r |
| 1290 | \r |
| bcd70414 |
1291 | /**\r |
| 05fbd06d |
1292 | Get scancode from scancode buffer\r |
| 1293 | and translate into EFI-scancode and unicode defined by EFI spec\r |
| 1294 | The function is always called in TPL_NOTIFY\r |
| 1295 | \r |
| bcd70414 |
1296 | @param ConsoleIn KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
| 05fbd06d |
1297 | \r |
| bcd70414 |
1298 | @retval EFI_NOT_READY - Input from console not ready yet.\r |
| 1299 | @retval EFI_SUCCESS - Function executed successfully.\r |
| 05fbd06d |
1300 | \r |
| bcd70414 |
1301 | **/\r |
| 1302 | EFI_STATUS\r |
| 1303 | KeyGetchar (\r |
| 1304 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| 1305 | )\r |
| 05fbd06d |
1306 | {\r |
| 1307 | EFI_STATUS Status;\r |
| 1308 | UINT8 ScanCode;\r |
| 1309 | UINT8 Readed;\r |
| 1310 | BOOLEAN Extended;\r |
| 1311 | UINT8 ScancodeArr[4];\r |
| 1312 | UINTN Index;\r |
| 1313 | //\r |
| 1314 | // 4 bytes most\r |
| 1315 | //\r |
| 1316 | UINT32 ScancodeArrPos;\r |
| 1317 | //\r |
| 1318 | // point to the current position in ScancodeArr\r |
| 1319 | //\r |
| 1320 | \r |
| 1321 | Readed = 0;\r |
| 1322 | Extended = FALSE;\r |
| 1323 | ScancodeArrPos = 0;\r |
| 1324 | \r |
| 1325 | //\r |
| 1326 | // Read one byte of the scan code and store it into the memory buffer\r |
| 1327 | // This block of code is added to insert an action that is equivalent to\r |
| 1328 | // the timer event handling function, so as to increase the frequency of\r |
| 1329 | // detecting the availability of keys. Timer event has a max frequency of\r |
| 1330 | // 18Hz which is insufficient\r |
| 1331 | //\r |
| 1332 | //\r |
| 1333 | // To let KB driver support Hot plug, here should skip the 'resend' command for the case that\r |
| 1334 | // KB is not connected to system. If KB is not connected to system, driver will find there's something\r |
| 1335 | // error in the following code and wait for the input buffer empty, this waiting time shoulb be short enough since\r |
| 1336 | // this is a NOTIFY TPL period function, or the system performance will degrade hardly when KB is not connected.\r |
| 1337 | // Just skip the 'resend' process simply.\r |
| 1338 | //\r |
| 1339 | \r |
| 1340 | \r |
| 1341 | if (((KeyReadStatusRegister (ConsoleIn) & 0x21) == 0x1) && (ConsoleIn->ScancodeBufCount < KEYBOARD_BUFFER_MAX_COUNT)) {\r |
| 1342 | \r |
| 1343 | Readed = KeyReadDataRegister (ConsoleIn);\r |
| 1344 | //\r |
| 1345 | // put the scancode into the memory scancode buffer\r |
| 1346 | //\r |
| 1347 | ConsoleIn->ScancodeBufCount++;\r |
| 1348 | ConsoleIn->ScancodeBufEndPos++;\r |
| 1349 | if (ConsoleIn->ScancodeBufEndPos >= KEYBOARD_BUFFER_MAX_COUNT) {\r |
| 1350 | ConsoleIn->ScancodeBufEndPos = 0;\r |
| 1351 | }\r |
| 1352 | \r |
| 1353 | ConsoleIn->ScancodeBuf[ConsoleIn->ScancodeBufEndPos] = Readed;\r |
| 1354 | \r |
| 1355 | //\r |
| 1356 | // Handle Alt+Ctrl+Del Key combination\r |
| 1357 | //\r |
| 1358 | switch (Readed) {\r |
| 1359 | \r |
| 1360 | case SCANCODE_CTRL_MAKE:\r |
| 1361 | ConsoleIn->Ctrled = TRUE;\r |
| 1362 | break;\r |
| 1363 | \r |
| 1364 | case SCANCODE_CTRL_BREAK:\r |
| 1365 | ConsoleIn->Ctrled = FALSE;\r |
| 1366 | break;\r |
| 1367 | \r |
| 1368 | case SCANCODE_ALT_MAKE:\r |
| 1369 | ConsoleIn->Alted = TRUE;\r |
| 1370 | break;\r |
| 1371 | \r |
| 1372 | case SCANCODE_ALT_BREAK:\r |
| 1373 | ConsoleIn->Alted = FALSE;\r |
| 1374 | break;\r |
| 1375 | }\r |
| 1376 | //\r |
| 1377 | // if Alt+Ctrl+Del, Reboot the System\r |
| 1378 | //\r |
| 1379 | if (ConsoleIn->Ctrled && ConsoleIn->Alted && Readed == 0x53) {\r |
| 1380 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r |
| 1381 | }\r |
| 1382 | }\r |
| 1383 | //\r |
| 1384 | // Check if there are enough bytes of scancode representing a single key\r |
| 1385 | // available in the buffer\r |
| 1386 | //\r |
| 1387 | while (1) {\r |
| 1388 | \r |
| 1389 | Status = GetScancodeBufHead (ConsoleIn, 1, ScancodeArr);\r |
| 1390 | ScancodeArrPos = 0;\r |
| 1391 | if (EFI_ERROR (Status)) {\r |
| 1392 | return EFI_NOT_READY;\r |
| 1393 | }\r |
| 1394 | \r |
| 1395 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED) {\r |
| 1396 | Extended = TRUE;\r |
| 1397 | Status = GetScancodeBufHead (ConsoleIn, 2, ScancodeArr);\r |
| 1398 | ScancodeArrPos = 1;\r |
| 1399 | if (EFI_ERROR (Status)) {\r |
| 1400 | return EFI_NOT_READY;\r |
| 1401 | }\r |
| 1402 | }\r |
| 1403 | //\r |
| 1404 | // Checks for key scancode for PAUSE:E1-1D/45-E1/9D-C5\r |
| 1405 | // if present, ignore them\r |
| 1406 | //\r |
| 1407 | if (ScancodeArr[ScancodeArrPos] == SCANCODE_EXTENDED1) {\r |
| 1408 | \r |
| 1409 | Status = GetScancodeBufHead (ConsoleIn, 2, ScancodeArr);\r |
| 1410 | ScancodeArrPos = 1;\r |
| 1411 | \r |
| 1412 | if (EFI_ERROR (Status)) {\r |
| 1413 | return EFI_NOT_READY;\r |
| 1414 | }\r |
| 1415 | \r |
| 1416 | Status = GetScancodeBufHead (ConsoleIn, 3, ScancodeArr);\r |
| 1417 | ScancodeArrPos = 2;\r |
| 1418 | \r |
| 1419 | if (EFI_ERROR (Status)) {\r |
| 1420 | return EFI_NOT_READY;\r |
| 1421 | }\r |
| 1422 | \r |
| 1423 | PopScancodeBufHead (ConsoleIn, 3, ScancodeArr);\r |
| 1424 | return EFI_NOT_READY;\r |
| 1425 | }\r |
| 1426 | //\r |
| 1427 | // if we reach this position, scancodes for a key is in buffer now,pop them\r |
| 1428 | //\r |
| 1429 | Status = PopScancodeBufHead (ConsoleIn, ScancodeArrPos + 1, ScancodeArr);\r |
| 1430 | if (EFI_ERROR (Status)) {\r |
| 1431 | return EFI_NOT_READY;\r |
| 1432 | }\r |
| 1433 | //\r |
| 1434 | // store the last available byte, this byte of scancode will be checked\r |
| 1435 | //\r |
| 1436 | ScanCode = ScancodeArr[ScancodeArrPos];\r |
| 1437 | \r |
| 1438 | //\r |
| 1439 | // Check for special keys and update the driver state.\r |
| 1440 | //\r |
| 1441 | switch (ScanCode) {\r |
| 1442 | \r |
| 1443 | case SCANCODE_CTRL_MAKE:\r |
| 1444 | ConsoleIn->Ctrl = TRUE;\r |
| 1445 | break;\r |
| 1446 | \r |
| 1447 | case SCANCODE_CTRL_BREAK:\r |
| 1448 | ConsoleIn->Ctrl = FALSE;\r |
| 1449 | break;\r |
| 1450 | \r |
| 1451 | case SCANCODE_ALT_MAKE:\r |
| 1452 | ConsoleIn->Alt = TRUE;\r |
| 1453 | break;\r |
| 1454 | \r |
| 1455 | case SCANCODE_ALT_BREAK:\r |
| 1456 | ConsoleIn->Alt = FALSE;\r |
| 1457 | break;\r |
| 1458 | \r |
| 1459 | case SCANCODE_LEFT_SHIFT_MAKE:\r |
| f3d1e940 |
1460 | if (!Extended) {\r |
| 1461 | ConsoleIn->Shift = TRUE;\r |
| 1462 | ConsoleIn->LeftShift = TRUE;\r |
| 1463 | } \r |
| 1464 | break;\r |
| 05fbd06d |
1465 | case SCANCODE_RIGHT_SHIFT_MAKE:\r |
| 1466 | if (!Extended) {\r |
| 1467 | ConsoleIn->Shift = TRUE;\r |
| f3d1e940 |
1468 | ConsoleIn->RightShift = TRUE;\r |
| 05fbd06d |
1469 | }\r |
| 1470 | break;\r |
| 1471 | \r |
| 1472 | case SCANCODE_LEFT_SHIFT_BREAK:\r |
| f3d1e940 |
1473 | if (!Extended) {\r |
| 1474 | ConsoleIn->Shift = FALSE;\r |
| 1475 | ConsoleIn->LeftShift = FALSE;\r |
| 1476 | } else {\r |
| 1477 | ConsoleIn->SysReq = FALSE;\r |
| 1478 | } \r |
| 1479 | break;\r |
| 05fbd06d |
1480 | case SCANCODE_RIGHT_SHIFT_BREAK:\r |
| 1481 | if (!Extended) {\r |
| 1482 | ConsoleIn->Shift = FALSE;\r |
| f3d1e940 |
1483 | ConsoleIn->RightShift = FALSE;\r |
| 05fbd06d |
1484 | }\r |
| 1485 | break;\r |
| 1486 | \r |
| f3d1e940 |
1487 | case SCANCODE_LEFT_LOGO_MAKE:\r |
| 1488 | ConsoleIn->LeftLogo = TRUE;\r |
| 1489 | break; \r |
| 1490 | case SCANCODE_LEFT_LOGO_BREAK:\r |
| 1491 | ConsoleIn->LeftLogo = FALSE;\r |
| 1492 | break; \r |
| 1493 | case SCANCODE_RIGHT_LOGO_MAKE:\r |
| 1494 | ConsoleIn->RightLogo = TRUE;\r |
| 1495 | break;\r |
| 1496 | case SCANCODE_RIGHT_LOGO_BREAK:\r |
| 1497 | ConsoleIn->RightLogo = FALSE;\r |
| 1498 | break; \r |
| 1499 | case SCANCODE_MENU_MAKE:\r |
| 1500 | ConsoleIn->Menu = TRUE;\r |
| 1501 | break;\r |
| 1502 | case SCANCODE_MENU_BREAK:\r |
| 1503 | ConsoleIn->Menu = FALSE;\r |
| 1504 | break; \r |
| 1505 | case SCANCODE_SYS_REQ_MAKE:\r |
| 1506 | if (Extended) {\r |
| 1507 | ConsoleIn->SysReq = TRUE;\r |
| 1508 | }\r |
| 05fbd06d |
1509 | case SCANCODE_CAPS_LOCK_MAKE:\r |
| 1510 | ConsoleIn->CapsLock = (BOOLEAN)!ConsoleIn->CapsLock;\r |
| 1511 | UpdateStatusLights (ConsoleIn);\r |
| 1512 | break;\r |
| 1513 | \r |
| 1514 | case SCANCODE_NUM_LOCK_MAKE:\r |
| 1515 | ConsoleIn->NumLock = (BOOLEAN)!ConsoleIn->NumLock;\r |
| 1516 | UpdateStatusLights (ConsoleIn);\r |
| 1517 | break;\r |
| 1518 | \r |
| 1519 | case SCANCODE_SCROLL_LOCK_MAKE:\r |
| 1520 | ConsoleIn->ScrollLock = (BOOLEAN)!ConsoleIn->ScrollLock;\r |
| 1521 | UpdateStatusLights (ConsoleIn);\r |
| 1522 | break;\r |
| 1523 | }\r |
| 1524 | //\r |
| 1525 | // If this is a BREAK Key or above the valid range, ignore it\r |
| 1526 | //\r |
| 1527 | if (ScanCode >= SCANCODE_MAX_MAKE) {\r |
| 1528 | continue;\r |
| 1529 | } else {\r |
| 1530 | break;\r |
| 1531 | }\r |
| 1532 | }\r |
| 1533 | //\r |
| 05fbd06d |
1534 | // Treat Numeric Key Pad "/" specially\r |
| 1535 | //\r |
| 1536 | if (Extended && ScanCode == 0x35) {\r |
| 1537 | ConsoleIn->Key.ScanCode = SCAN_NULL;\r |
| 1538 | ConsoleIn->Key.UnicodeChar = '/';\r |
| 1539 | return EFI_SUCCESS;\r |
| 1540 | }\r |
| 1541 | //\r |
| 1542 | // Convert Keyboard ScanCode into an EFI Key\r |
| 1543 | //\r |
| 1544 | for (Index = 0; ConvertKeyboardScanCodeToEfiKey[Index].ScanCode != TABLE_END; Index += 1) {\r |
| 1545 | if (ScanCode == ConvertKeyboardScanCodeToEfiKey[Index].ScanCode) {\r |
| 1546 | ConsoleIn->Key.ScanCode = ConvertKeyboardScanCodeToEfiKey[Index].EfiScanCode;\r |
| 1547 | if (ConsoleIn->Shift) {\r |
| 1548 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r |
| f3d1e940 |
1549 | //\r |
| 1550 | // Need not return associated shift state if a class of printable characters that\r |
| 1551 | // are normally adjusted by shift modifiers. e.g. Shift Key + 'f' key = 'F'\r |
| 1552 | //\r |
| 1553 | if (ConsoleIn->Key.UnicodeChar >= 'A' && ConsoleIn->Key.UnicodeChar <= 'Z') {\r |
| 1554 | ConsoleIn->LeftShift = FALSE;\r |
| 1555 | ConsoleIn->RightShift = FALSE;\r |
| 1556 | }\r |
| 05fbd06d |
1557 | } else {\r |
| 1558 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r |
| 1559 | }\r |
| 1560 | //\r |
| 1561 | // alphabetic key is affected by CapsLock State\r |
| 1562 | //\r |
| 1563 | if (ConsoleIn->CapsLock) {\r |
| 1564 | if (ConsoleIn->Key.UnicodeChar >= 'a' && ConsoleIn->Key.UnicodeChar <= 'z') {\r |
| 1565 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].ShiftUnicodeChar;\r |
| 1566 | } else if (ConsoleIn->Key.UnicodeChar >= 'A' && ConsoleIn->Key.UnicodeChar <= 'Z') {\r |
| 1567 | ConsoleIn->Key.UnicodeChar = ConvertKeyboardScanCodeToEfiKey[Index].UnicodeChar;\r |
| 1568 | }\r |
| 1569 | }\r |
| 1f771698 |
1570 | //\r |
| 1571 | // Translate the CTRL-Alpha characters to their corresponding control value (ctrl-a = 0x0001 through ctrl-Z = 0x001A)\r |
| 1572 | //\r |
| 1573 | if (ConsoleIn->Ctrled) {\r |
| 1574 | if (ConsoleIn->Key.UnicodeChar >= 'a' && ConsoleIn->Key.UnicodeChar <= 'z') {\r |
| 1575 | ConsoleIn->Key.UnicodeChar = (UINT16) (ConsoleIn->Key.UnicodeChar - 'a' + 1);\r |
| 1576 | } else if (ConsoleIn->Key.UnicodeChar >= 'A' && ConsoleIn->Key.UnicodeChar <= 'Z') {\r |
| 1577 | ConsoleIn->Key.UnicodeChar = (UINT16) (ConsoleIn->Key.UnicodeChar - 'A' + 1);\r |
| 1578 | }\r |
| 1579 | }\r |
| 05fbd06d |
1580 | \r |
| 1581 | break;\r |
| 1582 | }\r |
| 1583 | }\r |
| 1584 | \r |
| 1585 | //\r |
| 1586 | // distinguish numeric key pad keys' 'up symbol' and 'down symbol'\r |
| 1587 | //\r |
| 1588 | if (ScanCode >= 0x47 && ScanCode <= 0x53) {\r |
| 1589 | \r |
| 1590 | if (ConsoleIn->NumLock && !ConsoleIn->Shift && !Extended) {\r |
| 1591 | ConsoleIn->Key.ScanCode = SCAN_NULL;\r |
| 1592 | } else if (ScanCode != 0x4a && ScanCode != 0x4e) {\r |
| 1593 | ConsoleIn->Key.UnicodeChar = 0x00;\r |
| 1594 | }\r |
| 1595 | }\r |
| 1596 | //\r |
| 1597 | // If the key can not be converted then just return.\r |
| 1598 | //\r |
| 1599 | if (ConsoleIn->Key.ScanCode == SCAN_NULL && ConsoleIn->Key.UnicodeChar == 0x00) {\r |
| 1600 | return EFI_NOT_READY;\r |
| 1601 | }\r |
| 1602 | \r |
| f3d1e940 |
1603 | //\r |
| 1604 | // Save the Shift/Toggle state\r |
| 1605 | //\r |
| 1606 | if (ConsoleIn->Ctrl) {\r |
| 1607 | ConsoleIn->KeyState.KeyShiftState |= (Extended == TRUE) ? EFI_RIGHT_CONTROL_PRESSED : EFI_LEFT_CONTROL_PRESSED;\r |
| 1608 | } \r |
| 1609 | if (ConsoleIn->Alt) { \r |
| 1610 | ConsoleIn->KeyState.KeyShiftState |= (Extended == TRUE) ? EFI_RIGHT_ALT_PRESSED : EFI_LEFT_ALT_PRESSED;\r |
| 1611 | } \r |
| 1612 | if (ConsoleIn->LeftShift) { \r |
| 1613 | ConsoleIn->KeyState.KeyShiftState |= EFI_LEFT_SHIFT_PRESSED;\r |
| 1614 | } \r |
| 1615 | if (ConsoleIn->RightShift) { \r |
| 1616 | ConsoleIn->KeyState.KeyShiftState |= EFI_RIGHT_SHIFT_PRESSED;\r |
| 1617 | } \r |
| 1618 | if (ConsoleIn->LeftLogo) { \r |
| 1619 | ConsoleIn->KeyState.KeyShiftState |= EFI_LEFT_LOGO_PRESSED;\r |
| 1620 | } \r |
| 1621 | if (ConsoleIn->RightLogo) { \r |
| 1622 | ConsoleIn->KeyState.KeyShiftState |= EFI_RIGHT_LOGO_PRESSED;\r |
| 1623 | } \r |
| 1624 | if (ConsoleIn->Menu) { \r |
| 1625 | ConsoleIn->KeyState.KeyShiftState |= EFI_MENU_KEY_PRESSED;\r |
| 1626 | } \r |
| 1627 | if (ConsoleIn->SysReq) { \r |
| 1628 | ConsoleIn->KeyState.KeyShiftState |= EFI_SYS_REQ_PRESSED;\r |
| 1629 | } \r |
| 1630 | if (ConsoleIn->CapsLock) {\r |
| 1631 | ConsoleIn->KeyState.KeyToggleState |= EFI_CAPS_LOCK_ACTIVE;\r |
| 1632 | }\r |
| 1633 | if (ConsoleIn->NumLock) {\r |
| 1634 | ConsoleIn->KeyState.KeyToggleState |= EFI_NUM_LOCK_ACTIVE;\r |
| 1635 | }\r |
| 1636 | if (ConsoleIn->ScrollLock) {\r |
| 1637 | ConsoleIn->KeyState.KeyToggleState |= EFI_SCROLL_LOCK_ACTIVE;\r |
| 1638 | }\r |
| 1639 | \r |
| 05fbd06d |
1640 | return EFI_SUCCESS;\r |
| 1641 | }\r |
| 1642 | \r |
| bcd70414 |
1643 | /**\r |
| 05fbd06d |
1644 | Perform 8042 controller and keyboard Initialization\r |
| 1645 | If ExtendedVerification is TRUE, do additional test for\r |
| 1646 | the keyboard interface\r |
| 1647 | \r |
| bcd70414 |
1648 | @param ConsoleIn - KEYBOARD_CONSOLE_IN_DEV instance pointer\r |
| 1649 | @param ExtendedVerification - indicates a thorough initialization\r |
| 05fbd06d |
1650 | \r |
| bcd70414 |
1651 | @retval EFI_DEVICE_ERROR Fail to init keyboard\r |
| 1652 | @retval EFI_SUCCESS Success to init keyboard\r |
| 1653 | **/\r |
| 1654 | EFI_STATUS\r |
| 1655 | InitKeyboard (\r |
| 1656 | IN OUT KEYBOARD_CONSOLE_IN_DEV *ConsoleIn,\r |
| 1657 | IN BOOLEAN ExtendedVerification\r |
| 1658 | )\r |
| 05fbd06d |
1659 | {\r |
| 1660 | EFI_STATUS Status;\r |
| 1661 | EFI_STATUS Status1;\r |
| 1662 | UINT8 CommandByte;\r |
| 1663 | STATIC BOOLEAN EnableMouseInterface;\r |
| 1664 | EFI_PS2_POLICY_PROTOCOL *Ps2Policy;\r |
| 1665 | \r |
| 1666 | Status = EFI_SUCCESS;\r |
| 1667 | EnableMouseInterface = TRUE;\r |
| 1668 | \r |
| 1669 | //\r |
| 1670 | // Get Ps2 policy to set this\r |
| 1671 | //\r |
| 1672 | Status = gBS->LocateProtocol (\r |
| 1673 | &gEfiPs2PolicyProtocolGuid,\r |
| 1674 | NULL,\r |
| 1675 | (VOID **) &Ps2Policy\r |
| 1676 | );\r |
| 1677 | \r |
| 1678 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
| 1679 | EFI_PROGRESS_CODE,\r |
| 1680 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_CLEAR_BUFFER,\r |
| 1681 | ConsoleIn->DevicePath\r |
| 1682 | );\r |
| 1683 | \r |
| 1684 | //\r |
| 1685 | // Perform a read to cleanup the Status Register's\r |
| 1686 | // output buffer full bits\r |
| 1687 | //\r |
| 1688 | while (!EFI_ERROR (Status)) {\r |
| 1689 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r |
| 1690 | }\r |
| 1691 | //\r |
| 1692 | // We should disable mouse interface during the initialization process\r |
| 1693 | // since mouse device output could block keyboard device output in the\r |
| 1694 | // 60H port of 8042 controller.\r |
| 1695 | //\r |
| 1696 | // So if we are not initializing 8042 controller for the\r |
| 1697 | // first time, we have to remember the previous mouse interface\r |
| 1698 | // enabling state\r |
| 1699 | //\r |
| 1700 | // Test the system flag in to determine whether this is the first\r |
| 1701 | // time initialization\r |
| 1702 | //\r |
| 1703 | if ((KeyReadStatusRegister (ConsoleIn) & 0x04)) {\r |
| 1704 | //\r |
| 1705 | // 8042 controller is already setup (by myself or by mouse driver):\r |
| 1706 | // See whether mouse interface is already enabled\r |
| 1707 | // which determines whether we should enable it later\r |
| 1708 | //\r |
| 1709 | //\r |
| 1710 | // Read the command byte of 8042 controller\r |
| 1711 | //\r |
| 1712 | Status = KeyboardCommand (ConsoleIn, 0x20);\r |
| 1713 | if (EFI_ERROR (Status)) {\r |
| 1714 | KeyboardError (ConsoleIn, L"\n\r");\r |
| 1715 | goto Done;\r |
| 1716 | }\r |
| 1717 | \r |
| 1718 | Status = KeyboardRead (ConsoleIn, &CommandByte);\r |
| 1719 | if (EFI_ERROR (Status)) {\r |
| 1720 | KeyboardError (ConsoleIn, L"\n\r");\r |
| 1721 | goto Done;\r |
| 1722 | }\r |
| 1723 | //\r |
| 1724 | // Test the mouse enabling bit\r |
| 1725 | //\r |
| 1726 | if (CommandByte & 0x20) {\r |
| 1727 | EnableMouseInterface = FALSE;\r |
| 1728 | } else {\r |
| 1729 | EnableMouseInterface = TRUE;\r |
| 1730 | }\r |
| 1731 | \r |
| 1732 | } else {\r |
| 1733 | //\r |
| 1734 | // 8042 controller is not setup yet:\r |
| 1735 | // 8042 controller selftest;\r |
| 1736 | // Don't enable mouse interface later.\r |
| 1737 | //\r |
| 1738 | //\r |
| 1739 | // Disable keyboard and mouse interfaces\r |
| 1740 | //\r |
| 1741 | Status = KeyboardCommand (ConsoleIn, 0xad);\r |
| 1742 | if (EFI_ERROR (Status)) {\r |
| 1743 | KeyboardError (ConsoleIn, L"\n\r");\r |
| 1744 | goto Done;\r |
| 1745 | }\r |
| 1746 | \r |
| 1747 | Status = KeyboardCommand (ConsoleIn, 0xa7);\r |
| 1748 | if (EFI_ERROR (Status)) {\r |
| 1749 | KeyboardError (ConsoleIn, L"\n\r");\r |
| 1750 | goto Done;\r |
| 1751 | }\r |
| 1752 | \r |
| 1753 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
| 1754 | EFI_PROGRESS_CODE,\r |
| 1755 | EFI_PERIPHERAL_KEYBOARD | EFI_P_KEYBOARD_PC_SELF_TEST,\r |
| 1756 | ConsoleIn->DevicePath\r |
| 1757 | );\r |
| 1758 | //\r |
| 1759 | // 8042 Controller Self Test\r |
| 1760 | //\r |
| 1761 | Status = KeyboardCommand (ConsoleIn, 0xaa);\r |
| 1762 | if (EFI_ERROR (Status)) {\r |
| 1763 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r |
| 1764 | goto Done;\r |
| 1765 | }\r |
| 1766 | \r |
| 1767 | Status = KeyboardWaitForValue (ConsoleIn, 0x55);\r |
| 1768 | if (EFI_ERROR (Status)) {\r |
| 1769 | KeyboardError (ConsoleIn, L"8042 controller self test failed!\n\r");\r |
| 1770 | goto Done;\r |
| 1771 | }\r |
| 1772 | //\r |
| 1773 | // Don't enable mouse interface later\r |
| 1774 | //\r |
| 1775 | EnableMouseInterface = FALSE;\r |
| 1776 | \r |
| 1777 | }\r |
| 1778 | \r |
| 1779 | if (Ps2Policy != NULL) {\r |
| 1780 | Ps2Policy->Ps2InitHardware (ConsoleIn->Handle);\r |
| 1781 | }\r |
| 1782 | //\r |
| 1783 | // Write 8042 Command Byte, set System Flag\r |
| 1784 | // While at the same time:\r |
| 1785 | // 1. disable mouse interface,\r |
| 1786 | // 2. enable kbd interface,\r |
| 1787 | // 3. enable PC/XT kbd translation mode\r |
| 1788 | // 4. enable mouse and kbd interrupts\r |
| 1789 | //\r |
| 1790 | // ( Command Byte bits:\r |
| 1791 | // 7: Reserved\r |
| 1792 | // 6: PC/XT translation mode\r |
| 1793 | // 5: Disable Auxiliary device interface\r |
| 1794 | // 4: Disable keyboard interface\r |
| 1795 | // 3: Reserved\r |
| 1796 | // 2: System Flag\r |
| 1797 | // 1: Enable Auxiliary device interrupt\r |
| 1798 | // 0: Enable Keyboard interrupt )\r |
| 1799 | //\r |
| 1800 | Status = KeyboardCommand (ConsoleIn, 0x60);\r |
| 1801 | if (EFI_ERROR (Status)) {\r |
| 1802 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r |
| 1803 | goto Done;\r |
| 1804 | }\r |
| 1805 | \r |
| 1806 | Status = KeyboardWrite (ConsoleIn, 0x67);\r |
| 1807 | if (EFI_ERROR (Status)) {\r |
| 1808 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r |
| 1809 | goto Done;\r |
| 1810 | }\r |
| 1811 | \r |
| 1812 | //\r |
| 1813 | // Clear Memory Scancode Buffer\r |
| 1814 | //\r |
| 1815 | ConsoleIn->ScancodeBufStartPos = 0;\r |
| 1816 | ConsoleIn->ScancodeBufEndPos = KEYBOARD_BUFFER_MAX_COUNT - 1;\r |
| 1817 | ConsoleIn->ScancodeBufCount = 0;\r |
| 1818 | ConsoleIn->Ctrled = FALSE;\r |
| 1819 | ConsoleIn->Alted = FALSE;\r |
| 1820 | \r |
| 1821 | //\r |
| 1822 | // Reset the status indicators\r |
| 1823 | //\r |
| 1824 | ConsoleIn->Ctrl = FALSE;\r |
| 1825 | ConsoleIn->Alt = FALSE;\r |
| 1826 | ConsoleIn->Shift = FALSE;\r |
| 1827 | ConsoleIn->CapsLock = FALSE;\r |
| 1828 | ConsoleIn->NumLock = FALSE;\r |
| 1829 | ConsoleIn->ScrollLock = FALSE;\r |
| f3d1e940 |
1830 | ConsoleIn->LeftShift = FALSE;\r |
| 1831 | ConsoleIn->RightShift = FALSE;\r |
| 1832 | ConsoleIn->LeftLogo = FALSE;\r |
| 1833 | ConsoleIn->RightLogo = FALSE;\r |
| 1834 | ConsoleIn->Menu = FALSE;\r |
| 1835 | ConsoleIn->SysReq = FALSE; \r |
| 05fbd06d |
1836 | \r |
| 1837 | //\r |
| 1838 | // For reseting keyboard is not mandatory before booting OS and sometimes keyboard responses very slow,\r |
| 1839 | // and to support KB hot plug, we need to let the InitKB succeed no matter whether there is a KB device connected\r |
| 1840 | // to system. So we only do the real reseting for keyboard when user asks and there is a real KB connected t system,\r |
| 1841 | // and normally during booting an OS, it's skipped.\r |
| 1842 | //\r |
| 1843 | if (ExtendedVerification && CheckKeyboardConnect (ConsoleIn)) {\r |
| 1844 | //\r |
| 1845 | // Additional verifications for keyboard interface\r |
| 1846 | //\r |
| 1847 | //\r |
| 1848 | // Keyboard Interface Test\r |
| 1849 | //\r |
| 1850 | Status = KeyboardCommand (ConsoleIn, 0xab);\r |
| 1851 | if (EFI_ERROR (Status)) {\r |
| 1852 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r |
| 1853 | goto Done;\r |
| 1854 | }\r |
| 1855 | \r |
| 1856 | Status = KeyboardWaitForValue (ConsoleIn, 0x00);\r |
| 1857 | if (EFI_ERROR (Status)) {\r |
| 1858 | KeyboardError (\r |
| 1859 | ConsoleIn,\r |
| 1860 | L"Some specific value not aquired from 8042 controller!\n\r"\r |
| 1861 | );\r |
| 1862 | goto Done;\r |
| 1863 | }\r |
| 1864 | //\r |
| 1865 | // Keyboard reset with a BAT(Basic Assurance Test)\r |
| 1866 | //\r |
| 1867 | Status = KeyboardWrite (ConsoleIn, 0xff);\r |
| 1868 | if (EFI_ERROR (Status)) {\r |
| 1869 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r |
| 1870 | goto Done;\r |
| 1871 | }\r |
| 1872 | \r |
| 1873 | Status = KeyboardWaitForValue (ConsoleIn, 0xfa);\r |
| 1874 | if (EFI_ERROR (Status)) {\r |
| 1875 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r |
| 1876 | goto Done;\r |
| 1877 | }\r |
| 1878 | //\r |
| 1879 | // wait for BAT completion code\r |
| 1880 | //\r |
| 1881 | mWaitForValueTimeOut = KEYBOARD_BAT_TIMEOUT;\r |
| 1882 | \r |
| 1883 | Status = KeyboardWaitForValue (ConsoleIn, 0xaa);\r |
| 1884 | if (EFI_ERROR (Status)) {\r |
| 1885 | KeyboardError (ConsoleIn, L"Keyboard self test failed!\n\r");\r |
| 1886 | goto Done;\r |
| 1887 | }\r |
| 1888 | \r |
| 1889 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
| 1890 | \r |
| 1891 | //\r |
| 1892 | // Set Keyboard to use Scan Code Set 2\r |
| 1893 | //\r |
| 1894 | Status = KeyboardWrite (ConsoleIn, 0xf0);\r |
| 1895 | if (EFI_ERROR (Status)) {\r |
| 1896 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r |
| 1897 | goto Done;\r |
| 1898 | }\r |
| 1899 | \r |
| 1900 | Status = KeyboardWaitForValue (ConsoleIn, 0xfa);\r |
| 1901 | if (EFI_ERROR (Status)) {\r |
| 1902 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r |
| 1903 | goto Done;\r |
| 1904 | }\r |
| 1905 | \r |
| 1906 | Status = KeyboardWrite (ConsoleIn, 0x02);\r |
| 1907 | if (EFI_ERROR (Status)) {\r |
| 1908 | KeyboardError (ConsoleIn, L"8042 controller data write error!!\n\r");\r |
| 1909 | goto Done;\r |
| 1910 | }\r |
| 1911 | \r |
| 1912 | Status = KeyboardWaitForValue (ConsoleIn, 0xfa);\r |
| 1913 | if (EFI_ERROR (Status)) {\r |
| 1914 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r |
| 1915 | goto Done;\r |
| 1916 | }\r |
| 1917 | \r |
| 1918 | //\r |
| 1919 | // Clear Keyboard Scancode Buffer\r |
| 1920 | //\r |
| 1921 | Status = KeyboardWrite (ConsoleIn, 0xf4);\r |
| 1922 | if (EFI_ERROR (Status)) {\r |
| 1923 | KeyboardError (ConsoleIn, L"8042 controller data write error!\n\r");\r |
| 1924 | goto Done;\r |
| 1925 | }\r |
| 1926 | \r |
| 1927 | Status = KeyboardWaitForValue (ConsoleIn, 0xfa);\r |
| 1928 | if (EFI_ERROR (Status)) {\r |
| 1929 | KeyboardError (ConsoleIn, L"Some specific value not aquired from 8042 controller!\n\r");\r |
| 1930 | goto Done;\r |
| 1931 | }\r |
| 1932 | //\r |
| 1933 | if (Ps2Policy != NULL) {\r |
| 1934 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_CAPSLOCK) == EFI_KEYBOARD_CAPSLOCK) {\r |
| 1935 | ConsoleIn->CapsLock = TRUE;\r |
| 1936 | }\r |
| 1937 | \r |
| 1938 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_NUMLOCK) == EFI_KEYBOARD_NUMLOCK) {\r |
| 1939 | ConsoleIn->NumLock = TRUE;\r |
| 1940 | }\r |
| 1941 | \r |
| 1942 | if ((Ps2Policy->KeyboardLight & EFI_KEYBOARD_SCROLLLOCK) == EFI_KEYBOARD_SCROLLLOCK) {\r |
| 1943 | ConsoleIn->ScrollLock = TRUE;\r |
| 1944 | }\r |
| 1945 | }\r |
| 1946 | //\r |
| 1947 | // Update Keyboard Lights\r |
| 1948 | //\r |
| 1949 | Status = UpdateStatusLights (ConsoleIn);\r |
| 1950 | if (EFI_ERROR (Status)) {\r |
| 1951 | KeyboardError (ConsoleIn, L"Update keyboard status lights error!\n\r");\r |
| 1952 | goto Done;\r |
| 1953 | }\r |
| 1954 | }\r |
| 1955 | //\r |
| 1956 | // At last, we can now enable the mouse interface if appropriate\r |
| 1957 | //\r |
| 1958 | Done:\r |
| 1959 | \r |
| 1960 | if (EnableMouseInterface) {\r |
| 1961 | //\r |
| 1962 | // Enable mouse interface\r |
| 1963 | //\r |
| 1964 | Status1 = KeyboardCommand (ConsoleIn, 0xa8);\r |
| 1965 | if (EFI_ERROR (Status1)) {\r |
| 1966 | KeyboardError (ConsoleIn, L"8042 controller command write error!\n\r");\r |
| 1967 | return EFI_DEVICE_ERROR;\r |
| 1968 | }\r |
| 1969 | }\r |
| 1970 | \r |
| 1971 | if (!EFI_ERROR (Status)) {\r |
| 1972 | return EFI_SUCCESS;\r |
| 1973 | } else {\r |
| 1974 | return EFI_DEVICE_ERROR;\r |
| 1975 | }\r |
| 1976 | \r |
| 1977 | }\r |
| 1978 | \r |
| bcd70414 |
1979 | /**\r |
| 05fbd06d |
1980 | Disable the keyboard interface of the 8042 controller\r |
| 1981 | \r |
| bcd70414 |
1982 | @param ConsoleIn - the device instance\r |
| 05fbd06d |
1983 | \r |
| bcd70414 |
1984 | @return status of issuing disable command\r |
| 05fbd06d |
1985 | \r |
| bcd70414 |
1986 | **/\r |
| 1987 | EFI_STATUS\r |
| 1988 | DisableKeyboard (\r |
| 1989 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| 1990 | )\r |
| 05fbd06d |
1991 | {\r |
| 1992 | EFI_STATUS Status;\r |
| 1993 | \r |
| 1994 | //\r |
| 1995 | // Disable keyboard interface\r |
| 1996 | //\r |
| 1997 | Status = KeyboardCommand (ConsoleIn, 0xad);\r |
| 1998 | if (EFI_ERROR (Status)) {\r |
| 1999 | KeyboardError (ConsoleIn, L"\n\r");\r |
| 2000 | return EFI_DEVICE_ERROR;\r |
| 2001 | }\r |
| 2002 | \r |
| 2003 | return Status;\r |
| 2004 | }\r |
| 2005 | \r |
| 2006 | /**\r |
| 2007 | Check whether there is Ps/2 Keyboard device in system by 0xF4 Keyboard Command\r |
| 2008 | If Keyboard receives 0xF4, it will respond with 'ACK'. If it doesn't respond, the device\r |
| 2009 | should not be in system.\r |
| 2010 | \r |
| fdb05fa3 |
2011 | @param[in] ConsoleIn Keyboard Private Data Structure\r |
| 05fbd06d |
2012 | \r |
| f3d1e940 |
2013 | @retval TRUE Keyboard in System.\r |
| 2014 | @retval FALSE Keyboard not in System.\r |
| 05fbd06d |
2015 | **/\r |
| 2016 | BOOLEAN\r |
| 2017 | EFIAPI\r |
| 2018 | CheckKeyboardConnect (\r |
| 2019 | IN KEYBOARD_CONSOLE_IN_DEV *ConsoleIn\r |
| 2020 | )\r |
| 2021 | {\r |
| 2022 | EFI_STATUS Status;\r |
| 2023 | UINTN WaitForValueTimeOutBcakup;\r |
| 2024 | \r |
| 2025 | Status = EFI_SUCCESS;\r |
| 2026 | //\r |
| 2027 | // enable keyboard itself and wait for its ack\r |
| 2028 | // If can't receive ack, Keyboard should not be connected.\r |
| 2029 | //\r |
| 2030 | Status = KeyboardWrite (\r |
| 2031 | ConsoleIn,\r |
| 2032 | KEYBOARD_KBEN\r |
| 2033 | );\r |
| 2034 | \r |
| 2035 | if (EFI_ERROR (Status)) {\r |
| 2036 | return FALSE;\r |
| 2037 | }\r |
| 2038 | //\r |
| 2039 | // wait for 1s\r |
| 2040 | //\r |
| 2041 | WaitForValueTimeOutBcakup = mWaitForValueTimeOut;\r |
| 2042 | mWaitForValueTimeOut = KEYBOARD_WAITFORVALUE_TIMEOUT;\r |
| 2043 | Status = KeyboardWaitForValue (\r |
| 2044 | ConsoleIn,\r |
| 2045 | KEYBOARD_CMDECHO_ACK\r |
| 2046 | );\r |
| 2047 | mWaitForValueTimeOut = WaitForValueTimeOutBcakup;\r |
| 2048 | \r |
| 2049 | if (EFI_ERROR (Status)) {\r |
| 2050 | return FALSE;\r |
| 2051 | }\r |
| 2052 | \r |
| 2053 | return TRUE;\r |
| 2054 | }\r |
| bcd70414 |
2055 | \r |
projects / mirror_edk2.git / blame