1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 23 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 24 /* All Rights Reserved */ 25 26 /* 27 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #include <sys/types.h> 34 #include <sys/errno.h> 35 #include <sys/inline.h> 36 #include <sys/termio.h> 37 #include <sys/stropts.h> 38 #include <sys/termios.h> 39 #include <sys/stream.h> 40 #include <sys/strtty.h> 41 #include <sys/strsubr.h> 42 #include <sys/strsun.h> 43 #include <sys/ddi.h> 44 #include <sys/sunddi.h> 45 #include <sys/note.h> 46 #include "sys/consdev.h" 47 #include <sys/kbd.h> 48 #include <sys/kbtrans.h> 49 #include "kb8042.h" 50 51 #include <sys/i8042.h> 52 53 #include "sys/kbio.h" /* for KIOCSLAYOUT */ 54 #include "sys/stat.h" 55 #include "sys/reboot.h" 56 #include <sys/promif.h> 57 #include <sys/beep.h> 58 59 /* 60 * For any keyboard, there is a unique code describing the position 61 * of the key on a keyboard. We refer to the code as "station number". 62 * The following table is used to map the station numbers from ps2 63 * AT/XT keyboards to that of a USB one. 64 * 65 * A mapping was added for entry K8042_STOP, to map to USB key code 120 (which 66 * maps to the STOP key) when in KB_USB mode, and maps to a HOLE entry 67 * when in KB_PC mode. Note that this does not need to be made conditional 68 * on the architecture for which this module is complied because there are no 69 * keys that map to K8042_STOP on non-SPARC platforms. 70 */ 71 static kbtrans_key_t keytab_pc2usb[KBTRANS_KEYNUMS_MAX] = { 72 /* 0 */ 0, 53, 30, 31, 32, 33, 34, 35, 73 /* 8 */ 36, 37, 38, 39, 45, 46, 137, 42, 74 /* 16 */ 43, 20, 26, 8, 21, 23, 28, 24, 75 /* 24 */ 12, 18, 19, 47, 48, 49, 57, 4, 76 /* 32 */ 22, 7, 9, 10, 11, 13, 14, 15, 77 /* 40 */ 51, 52, 50, 40, 225, 100, 29, 27, 78 /* 48 */ 6, 25, 5, 17, 16, 54, 55, 56, 79 /* 56 */ 135, 229, 224, 227, 226, 44, 230, 231, 80 /* 64 */ 228, 101, 0, 0, 0, 0, 0, 0, 81 /* 72 */ 0, 0, 0, 73, 76, 0, 0, 80, 82 /* 80 */ 74, 77, 0, 82, 81, 75, 78, 0, 83 /* 88 */ 0, 79, 83, 95, 92, 89, 0, 84, 84 /* 96 */ 96, 93, 90, 98, 85, 97, 94, 91, 85 /* 104 */ 99, 86, 87, 133, 88, 0, 41, 0, 86 /* 112 */ 58, 59, 60, 61, 62, 63, 64, 65, 87 /* 120 */ 66, 67, 68, 69, 70, 71, 72, 0, 88 /* 128 */ 0, 0, 0, 139, 138, 136, 0, 0, 89 /* 136 */ 0, 0, 0, 0, 0, 0, 0, 0, 90 /* 144 */ 0, 0, 0, 0, 0, 0, 0, 0, 91 /* 152 */ 0, 0, 0, 0, 0, 0, 0, 0, 92 /* 160 */ 120, 0, 0, 0, 0, 0, 0, 0, 93 /* 168 */ 0, 0, 0, 0, 0, 0, 0, 0, 94 /* 176 */ 0, 0, 0, 0, 0, 0, 0, 0, 95 /* 184 */ 0, 0, 0, 0, 0, 0, 0, 0, 96 /* 192 */ 0, 0, 0, 0, 0, 0, 0, 0, 97 /* 200 */ 0, 0, 0, 0, 0, 0, 0, 0, 98 /* 208 */ 0, 0, 0, 0, 0, 0, 0, 0, 99 /* 216 */ 0, 0, 0, 0, 0, 0, 0, 0, 100 /* 224 */ 0, 0, 0, 0, 0, 0, 0, 0, 101 /* 232 */ 0, 0, 0, 0, 0, 0, 0, 0, 102 /* 240 */ 0, 0, 0, 0, 0, 0, 0, 0, 103 /* 248 */ 0, 0, 0, 0 104 }; 105 106 /* 107 * DEBUG (or KD_DEBUG for just this module) turns on a flag called 108 * kb8042_enable_debug_hotkey. If kb8042_enable_debug_hotkey is true, 109 * then the following hotkeys are enabled: 110 * F10 - turn on debugging "normal" translations 111 * F9 - turn on debugging "getchar" translations 112 * F8 - turn on "low level" debugging 113 * F7 - turn on terse press/release debugging 114 * F1 - turn off all debugging 115 * The default value for kb8042_enable_debug_hotkey is false, disabling 116 * these hotkeys. 117 */ 118 119 #if defined(DEBUG) || defined(lint) 120 #define KD_DEBUG 121 #endif 122 123 #ifdef KD_DEBUG 124 boolean_t kb8042_enable_debug_hotkey = B_FALSE; 125 boolean_t kb8042_debug = B_FALSE; 126 boolean_t kb8042_getchar_debug = B_FALSE; 127 boolean_t kb8042_low_level_debug = B_FALSE; 128 boolean_t kb8042_pressrelease_debug = B_FALSE; 129 static void kb8042_debug_hotkey(int scancode); 130 #endif 131 132 #ifdef __sparc 133 #define USECS_PER_WAIT 100 134 #define MAX_WAIT_USECS 100000 /* in usecs = 100 ms */ 135 #define MIN_DELAY_USECS USECS_PER_WAIT 136 137 boolean_t kb8042_warn_unknown_scanset = B_TRUE; 138 int kb8042_default_scanset = 2; 139 140 #endif 141 142 enum state_return { STATE_NORMAL, STATE_INTERNAL }; 143 144 static void kb8042_init(struct kb8042 *kb8042, boolean_t from_resume); 145 static uint_t kb8042_intr(caddr_t arg); 146 static void kb8042_wait_poweron(struct kb8042 *kb8042); 147 static void kb8042_start_state_machine(struct kb8042 *, boolean_t); 148 static enum state_return kb8042_state_machine(struct kb8042 *, int, boolean_t); 149 static void kb8042_send_to_keyboard(struct kb8042 *, int, boolean_t); 150 static int kb8042_xlate_leds(int); 151 static void kb8042_setled(struct kb8042 *, int led_state, boolean_t polled); 152 static void kb8042_streams_setled(struct kbtrans_hardware *hw, int led_state); 153 static void kb8042_polled_setled(struct kbtrans_hardware *hw, int led_state); 154 static boolean_t kb8042_polled_keycheck( 155 struct kbtrans_hardware *hw, int *key, 156 enum keystate *state); 157 static void kb8042_get_initial_leds(struct kb8042 *, int *, int *); 158 static boolean_t kb8042_autorepeat_detect(struct kb8042 *kb8042, int key_pos, 159 enum keystate state); 160 static void kb8042_type4_cmd(struct kb8042 *kb8042, int cmd); 161 static void kb8042_ioctlmsg(struct kb8042 *kb8042, queue_t *, mblk_t *); 162 static void kb8042_iocdatamsg(queue_t *, mblk_t *); 163 static void kb8042_process_key(struct kb8042 *, kbtrans_key_t, enum keystate); 164 static int kb8042_polled_ischar(struct cons_polledio_arg *arg); 165 static int kb8042_polled_getchar(struct cons_polledio_arg *arg); 166 static void kb8042_cleanup(struct kb8042 *kb8042); 167 168 static struct kbtrans_callbacks kb8042_callbacks = { 169 kb8042_streams_setled, 170 kb8042_polled_setled, 171 kb8042_polled_keycheck, 172 }; 173 174 extern struct keyboard keyindex_pc; 175 176 #define DRIVER_NAME(dip) ddi_driver_name(dip) 177 178 static char module_name[] = "kb8042"; 179 180 static int kb8042_open(queue_t *qp, dev_t *devp, int flag, int sflag, 181 cred_t *credp); 182 static int kb8042_close(queue_t *qp, int flag, cred_t *credp); 183 static int kb8042_wsrv(); 184 185 struct module_info kb8042_sinfo = { 186 42, /* Module ID */ 187 module_name, 188 0, 32, /* Minimum and maximum packet sizes */ 189 256, 128 /* High and low water marks */ 190 }; 191 192 static struct qinit kb8042_rinit = { 193 NULL, NULL, kb8042_open, kb8042_close, NULL, &kb8042_sinfo, NULL 194 }; 195 196 static struct qinit kb8042_winit = { 197 putq, kb8042_wsrv, kb8042_open, kb8042_close, NULL, &kb8042_sinfo, NULL 198 }; 199 200 struct streamtab 201 kb8042_str_info = { &kb8042_rinit, &kb8042_winit, NULL, NULL }; 202 203 struct kb8042 Kdws = {0}; 204 static dev_info_t *kb8042_dip = NULL; 205 206 static int kb8042_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, 207 void **result); 208 static int kb8042_attach(dev_info_t *, ddi_attach_cmd_t); 209 static int kb8042_detach(dev_info_t *, ddi_detach_cmd_t); 210 211 static struct cb_ops cb_kb8042_ops = { 212 nulldev, /* cb_open */ 213 nulldev, /* cb_close */ 214 nodev, /* cb_strategy */ 215 nodev, /* cb_print */ 216 nodev, /* cb_dump */ 217 nodev, /* cb_read */ 218 nodev, /* cb_write */ 219 nodev, /* cb_ioctl */ 220 nodev, /* cb_devmap */ 221 nodev, /* cb_mmap */ 222 nodev, /* cb_segmap */ 223 nochpoll, /* cb_chpoll */ 224 ddi_prop_op, /* cb_prop_op */ 225 &kb8042_str_info, /* cb_stream */ 226 D_MP 227 }; 228 229 struct dev_ops kb8042_ops = { 230 DEVO_REV, /* devo_rev */ 231 0, /* devo_refcnt */ 232 kb8042_getinfo, /* devo_getinfo */ 233 nulldev, /* devo_identify */ 234 nulldev, /* devo_probe */ 235 kb8042_attach, /* devo_attach */ 236 kb8042_detach, /* devo_detach */ 237 nodev, /* devo_reset */ 238 &cb_kb8042_ops, /* devo_cb_ops */ 239 (struct bus_ops *)NULL /* devo_bus_ops */ 240 }; 241 242 243 /* 244 * This is the loadable module wrapper. 245 */ 246 #include <sys/modctl.h> 247 248 /* 249 * Module linkage information for the kernel. 250 */ 251 static struct modldrv modldrv = { 252 &mod_driverops, /* Type of module. This one is a driver */ 253 "PS/2 Keyboard %I%, %E%", 254 &kb8042_ops, /* driver ops */ 255 }; 256 257 static struct modlinkage modlinkage = { 258 MODREV_1, 259 (void *) &modldrv, 260 NULL 261 }; 262 263 int 264 _init(void) 265 { 266 int rv; 267 268 rv = mod_install(&modlinkage); 269 return (rv); 270 } 271 272 273 int 274 _fini(void) 275 { 276 return (mod_remove(&modlinkage)); 277 } 278 279 int 280 _info(struct modinfo *modinfop) 281 { 282 return (mod_info(&modlinkage, modinfop)); 283 } 284 285 #ifdef __sparc 286 static boolean_t 287 kb8042_is_input_avail(struct kb8042 *kb8042, int timeout_usec, boolean_t polled) 288 { 289 int i; 290 int port = (polled == B_TRUE) ? I8042_POLL_INPUT_AVAIL : 291 I8042_INT_INPUT_AVAIL; 292 int reps = timeout_usec / USECS_PER_WAIT; 293 294 for (i = 0; i < reps; i++) { 295 if (ddi_get8(kb8042->handle, kb8042->addr + port) != 0) 296 return (B_TRUE); 297 298 if (i < (reps - 1)) 299 drv_usecwait(USECS_PER_WAIT); 300 } 301 return (B_FALSE); 302 } 303 304 static void 305 kb8042_clear_input_buffer(struct kb8042 *kb8042, boolean_t polled) 306 { 307 int port = (polled == B_TRUE) ? I8042_POLL_INPUT_DATA : 308 I8042_INT_INPUT_DATA; 309 310 while (kb8042_is_input_avail(kb8042, MIN_DELAY_USECS, polled)) { 311 (void) ddi_get8(kb8042->handle, kb8042->addr + port); 312 } 313 } 314 315 static boolean_t 316 kb8042_send_and_expect(struct kb8042 *kb8042, uint8_t send, uint8_t expect, 317 boolean_t polled, int timeout, int *error, uint8_t *got) 318 { 319 int port = (polled == B_TRUE) ? I8042_POLL_INPUT_DATA : 320 I8042_INT_INPUT_DATA; 321 uint8_t datab; 322 int err; 323 boolean_t rval; 324 325 kb8042_send_to_keyboard(kb8042, send, polled); 326 327 if (kb8042_is_input_avail(kb8042, timeout, polled)) { 328 err = 0; 329 datab = ddi_get8(kb8042->handle, kb8042->addr + port); 330 rval = ((datab == expect) ? B_TRUE : B_FALSE); 331 } else { 332 err = EAGAIN; 333 rval = B_FALSE; 334 } 335 336 if (error != NULL) 337 *error = err; 338 if (got != NULL) 339 *got = datab; 340 return (rval); 341 } 342 343 static const char * 344 kb8042_error_string(int errcode) 345 { 346 switch (errcode) { 347 case EAGAIN: 348 return ("Timed out"); 349 default: 350 return ("Unknown error"); 351 } 352 } 353 354 static int 355 kb8042_read_scanset(struct kb8042 *kb8042, boolean_t polled) 356 { 357 int scanset = -1; 358 int port = (polled == B_TRUE) ? I8042_POLL_INPUT_DATA : 359 I8042_INT_INPUT_DATA; 360 int err; 361 uint8_t got; 362 363 kb8042_clear_input_buffer(kb8042, B_TRUE); 364 365 /* 366 * Send a "change scan code set" command to the keyboard. 367 * It should respond with an ACK. 368 */ 369 if (kb8042_send_and_expect(kb8042, KB_SET_SCAN, KB_ACK, polled, 370 MAX_WAIT_USECS, &err, &got) != B_TRUE) { 371 goto fail_read_scanset; 372 } 373 374 /* 375 * Send a 0. The keyboard should ACK the 0, then it send the scan code 376 * set in use. 377 */ 378 if (kb8042_send_and_expect(kb8042, 0, KB_ACK, polled, 379 MAX_WAIT_USECS, &err, &got) != B_TRUE) { 380 goto fail_read_scanset; 381 } 382 383 /* 384 * The next input byte from the keyboard should be the scan code 385 * set in use, though some keyboards like to send a few more acks 386 * just for fun, so blow past those to get the keyboard scan code. 387 */ 388 while (kb8042_is_input_avail(kb8042, MAX_WAIT_USECS, B_TRUE) && 389 (scanset = ddi_get8(kb8042->handle, kb8042->addr + port)) 390 == KB_ACK) 391 ; 392 393 #ifdef KD_DEBUG 394 cmn_err(CE_NOTE, "!Scan code set from keyboard is `%d'.", 395 scanset); 396 #endif 397 398 return (scanset); 399 400 fail_read_scanset: 401 #ifdef KD_DEBUG 402 if (err == 0) 403 cmn_err(CE_NOTE, "Could not read current scan set from " 404 "keyboard: %s. (Expected 0x%x, but got 0x%x).", 405 kb8042_error_string(err), KB_ACK, got); 406 else 407 cmn_err(CE_NOTE, "Could not read current scan set from " 408 "keyboard: %s.", kb8042_error_string(err)); 409 #endif 410 return (-1); 411 } 412 #endif 413 414 static int 415 kb8042_attach(dev_info_t *devi, ddi_attach_cmd_t cmd) 416 { 417 int rc; 418 int scanset; 419 int leds; 420 421 struct kb8042 *kb8042 = &Kdws; 422 static ddi_device_acc_attr_t attr = { 423 DDI_DEVICE_ATTR_V0, 424 DDI_NEVERSWAP_ACC, 425 DDI_STRICTORDER_ACC, 426 }; 427 428 switch (cmd) { 429 case DDI_RESUME: 430 leds = kb8042->leds.commanded; 431 kb8042->w_init = 0; 432 kb8042_init(kb8042, B_TRUE); 433 kb8042_setled(kb8042, leds, B_FALSE); 434 return (DDI_SUCCESS); 435 436 case DDI_ATTACH: 437 if (kb8042_dip != NULL) 438 return (DDI_FAILURE); 439 /* The rest of the function is for attach */ 440 break; 441 442 default: 443 return (DDI_FAILURE); 444 } 445 446 kb8042->debugger.mod1 = 58; /* Left Ctrl */ 447 kb8042->debugger.mod2 = 60; /* Left Alt */ 448 kb8042->debugger.trigger = 33; /* D */ 449 kb8042->debugger.mod1_down = B_FALSE; 450 kb8042->debugger.mod2_down = B_FALSE; 451 kb8042->debugger.enabled = B_FALSE; 452 453 kb8042_dip = devi; 454 kb8042->init_state = KB8042_UNINITIALIZED; 455 456 kb8042->polled_synthetic_release_pending = B_FALSE; 457 458 if (ddi_create_minor_node(devi, module_name, S_IFCHR, 0, 459 DDI_NT_KEYBOARD, 0) == DDI_FAILURE) { 460 goto failure; 461 } 462 463 kb8042->init_state |= KB8042_MINOR_NODE_CREATED; 464 465 rc = ddi_regs_map_setup(devi, 0, (caddr_t *)&kb8042->addr, 466 (offset_t)0, (offset_t)0, &attr, &kb8042->handle); 467 if (rc != DDI_SUCCESS) { 468 #if defined(KD_DEBUG) 469 cmn_err(CE_WARN, "kb8042_attach: can't map registers"); 470 #endif 471 goto failure; 472 } 473 474 kb8042->init_state |= KB8042_REGS_MAPPED; 475 476 if (ddi_get_iblock_cookie(devi, 0, &kb8042->w_iblock) != 477 DDI_SUCCESS) { 478 cmn_err(CE_WARN, "kb8042_attach: Can't get iblock cookie"); 479 goto failure; 480 } 481 482 mutex_init(&kb8042->w_hw_mutex, NULL, MUTEX_DRIVER, kb8042->w_iblock); 483 484 kb8042->init_state |= KB8042_HW_MUTEX_INITTED; 485 486 kb8042_init(kb8042, B_FALSE); 487 488 #ifdef __sparc 489 /* Detect the scan code set currently in use */ 490 scanset = kb8042_read_scanset(kb8042, B_TRUE); 491 492 if (scanset < 0 && kb8042_warn_unknown_scanset) { 493 494 cmn_err(CE_WARN, "Cannot determine keyboard scan code set "); 495 cmn_err(CE_CONT, "(is the keyboard plugged in?). "); 496 cmn_err(CE_CONT, "Defaulting to scan code set %d. If the " 497 "keyboard does not ", kb8042_default_scanset); 498 cmn_err(CE_CONT, "work properly, add " 499 "`set kb8042:kb8042_default_scanset=%d' to /etc/system ", 500 (kb8042_default_scanset == 1) ? 2 : 1); 501 cmn_err(CE_CONT, "(via network or with a USB keyboard) and " 502 "restart the system. If you "); 503 cmn_err(CE_CONT, "do not want to see this message in the " 504 "future, add "); 505 cmn_err(CE_CONT, "`set kb8042:kb8042_warn_unknown_scanset=0' " 506 "to /etc/system.\n"); 507 508 /* Use the default scan code set. */ 509 scanset = kb8042_default_scanset; 510 } 511 #else 512 /* x86 systems use scan code set 1 -- no detection required */ 513 scanset = 1; 514 #endif 515 if (KeyboardConvertScan_init(kb8042, scanset) != DDI_SUCCESS) { 516 cmn_err(CE_WARN, "Cannot initialize keyboard scan converter: " 517 "Unknown scan code set `%d'.", scanset); 518 /* Scan code set is not supported */ 519 goto failure; 520 } 521 522 /* 523 * Turn on interrupts... 524 */ 525 if (ddi_add_intr(devi, 0, 526 &kb8042->w_iblock, (ddi_idevice_cookie_t *)NULL, 527 kb8042_intr, (caddr_t)kb8042) != DDI_SUCCESS) { 528 cmn_err(CE_WARN, "kb8042_attach: cannot add interrupt"); 529 goto failure; 530 } 531 532 kb8042->init_state |= KB8042_INTR_ADDED; 533 534 ddi_report_dev(devi); 535 536 #ifdef KD_DEBUG 537 cmn_err(CE_CONT, "?%s #%d: version %s\n", 538 DRIVER_NAME(devi), ddi_get_instance(devi), "%I% (%E%)"); 539 #endif 540 541 return (DDI_SUCCESS); 542 543 failure: 544 kb8042_cleanup(kb8042); 545 return (DDI_FAILURE); 546 } 547 548 static int 549 kb8042_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 550 { 551 struct kb8042 *kb8042 = &Kdws; 552 553 switch (cmd) { 554 case DDI_SUSPEND: 555 return (DDI_SUCCESS); 556 557 case DDI_DETACH: 558 /* If someone has a stream open, fail to detach */ 559 if (kb8042->w_qp != NULL) 560 return (DDI_FAILURE); 561 562 ASSERT(kb8042_dip == dip); 563 564 kb8042_cleanup(kb8042); 565 566 return (DDI_SUCCESS); 567 568 default: 569 return (DDI_FAILURE); 570 } 571 } 572 573 574 /*ARGSUSED*/ 575 static int 576 kb8042_getinfo( 577 dev_info_t *dip, 578 ddi_info_cmd_t infocmd, 579 void *arg, 580 void **result) 581 { 582 register int error; 583 584 switch (infocmd) { 585 case DDI_INFO_DEVT2DEVINFO: 586 if (kb8042_dip == NULL) { 587 error = DDI_FAILURE; 588 } else { 589 *result = (void *) kb8042_dip; 590 error = DDI_SUCCESS; 591 } 592 break; 593 case DDI_INFO_DEVT2INSTANCE: 594 *result = (void *)0; 595 error = DDI_SUCCESS; 596 break; 597 default: 598 error = DDI_FAILURE; 599 break; 600 } 601 return (error); 602 } 603 604 static void 605 kb8042_cleanup(struct kb8042 *kb8042) 606 { 607 608 if (kb8042->init_state & KB8042_HW_MUTEX_INITTED) 609 mutex_destroy(&kb8042->w_hw_mutex); 610 611 if (kb8042->init_state & KB8042_INTR_ADDED) 612 ddi_remove_intr(kb8042_dip, 0, kb8042->w_iblock); 613 614 if (kb8042->init_state & KB8042_REGS_MAPPED) 615 ddi_regs_map_free(&kb8042->handle); 616 617 if (kb8042->init_state & KB8042_MINOR_NODE_CREATED) 618 ddi_remove_minor_node(kb8042_dip, NULL); 619 620 kb8042->init_state = KB8042_UNINITIALIZED; 621 } 622 623 static void 624 kb8042_init(struct kb8042 *kb8042, boolean_t from_resume) 625 { 626 if (kb8042->w_init) 627 return; 628 629 if (!from_resume) { 630 kb8042->w_kblayout = 0; /* Default to US */ 631 kb8042->w_qp = (queue_t *)NULL; 632 kb8042->simulated_kbd_type = KB_PC; 633 kb8042->leds.commanded = -1; /* Unknown initial state */ 634 kb8042->leds.desired = -1; /* Unknown initial state */ 635 } 636 637 kb8042_wait_poweron(kb8042); 638 639 kb8042->kb_old_key_pos = 0; 640 641 /* Set up the command state machine and start it running. */ 642 kb8042->command_state = KB_COMMAND_STATE_WAIT; 643 kb8042_send_to_keyboard(kb8042, KB_ENABLE, B_FALSE); 644 645 kb8042->w_init++; 646 647 (void) drv_setparm(SYSRINT, 1); /* reset keyboard interrupts */ 648 } 649 650 /*ARGSUSED2*/ 651 static int 652 kb8042_open(queue_t *qp, dev_t *devp, int flag, int sflag, cred_t *credp) 653 { 654 struct kb8042 *kb8042; 655 int err; 656 int initial_leds; 657 int initial_led_mask; 658 659 kb8042 = &Kdws; 660 661 kb8042->w_dev = *devp; 662 663 if (qp->q_ptr) { 664 return (0); 665 } 666 qp->q_ptr = (caddr_t)kb8042; 667 WR(qp)->q_ptr = qp->q_ptr; 668 if (!kb8042->w_qp) 669 kb8042->w_qp = qp; 670 671 kb8042_get_initial_leds(kb8042, &initial_leds, &initial_led_mask); 672 err = kbtrans_streams_init(qp, sflag, credp, 673 (struct kbtrans_hardware *)kb8042, &kb8042_callbacks, 674 &kb8042->hw_kbtrans, 675 initial_leds, initial_led_mask); 676 if (err != 0) 677 return (err); 678 679 kbtrans_streams_set_keyboard(kb8042->hw_kbtrans, KB_PC, &keyindex_pc); 680 681 kb8042->polledio.cons_polledio_version = CONSPOLLEDIO_V1; 682 kb8042->polledio.cons_polledio_argument = 683 (struct cons_polledio_arg *)kb8042; 684 kb8042->polledio.cons_polledio_putchar = NULL; 685 kb8042->polledio.cons_polledio_getchar = 686 (int (*)(struct cons_polledio_arg *))kb8042_polled_getchar; 687 kb8042->polledio.cons_polledio_ischar = 688 (boolean_t (*)(struct cons_polledio_arg *))kb8042_polled_ischar; 689 kb8042->polledio.cons_polledio_enter = NULL; 690 kb8042->polledio.cons_polledio_exit = NULL; 691 kb8042->polledio.cons_polledio_setled = 692 (void (*)(struct cons_polledio_arg *, int))kb8042_polled_setled; 693 kb8042->polledio.cons_polledio_keycheck = 694 (boolean_t (*)(struct cons_polledio_arg *, int *, 695 enum keystate *))kb8042_polled_keycheck; 696 697 qprocson(qp); 698 699 kbtrans_streams_enable(kb8042->hw_kbtrans); 700 701 return (0); 702 } 703 704 /*ARGSUSED1*/ 705 static int 706 kb8042_close(queue_t *qp, int flag, cred_t *credp) 707 { 708 struct kb8042 *kb8042; 709 710 kb8042 = (struct kb8042 *)qp->q_ptr; 711 712 (void) kbtrans_streams_fini(kb8042->hw_kbtrans); 713 714 kb8042->w_qp = (queue_t *)NULL; 715 qprocsoff(qp); 716 717 return (0); 718 } 719 720 static int 721 kb8042_wsrv(queue_t *qp) 722 { 723 struct kb8042 *kb8042; 724 725 mblk_t *mp; 726 727 kb8042 = (struct kb8042 *)qp->q_ptr; 728 729 while ((mp = getq(qp))) { 730 switch (kbtrans_streams_message(kb8042->hw_kbtrans, mp)) { 731 case KBTRANS_MESSAGE_HANDLED: 732 continue; 733 case KBTRANS_MESSAGE_NOT_HANDLED: 734 break; 735 } 736 switch (mp->b_datap->db_type) { 737 case M_IOCTL: 738 kb8042_ioctlmsg(kb8042, qp, mp); 739 continue; 740 case M_IOCDATA: 741 kb8042_iocdatamsg(qp, mp); 742 continue; 743 case M_DELAY: 744 case M_STARTI: 745 case M_STOPI: 746 case M_READ: /* ignore, no buffered data */ 747 freemsg(mp); 748 continue; 749 case M_FLUSH: 750 *mp->b_rptr &= ~FLUSHW; 751 if (*mp->b_rptr & FLUSHR) 752 qreply(qp, mp); 753 else 754 freemsg(mp); 755 continue; 756 default: 757 cmn_err(CE_NOTE, "kb8042_wsrv: bad msg %x", 758 mp->b_datap->db_type); 759 freemsg(mp); 760 continue; 761 } 762 } 763 return (0); 764 } 765 766 static void 767 kb8042_ioctlmsg(struct kb8042 *kb8042, queue_t *qp, mblk_t *mp) 768 { 769 struct iocblk *iocp; 770 mblk_t *datap; 771 int error; 772 int tmp; 773 774 iocp = (struct iocblk *)mp->b_rptr; 775 776 switch (iocp->ioc_cmd) { 777 778 case CONSOPENPOLLEDIO: 779 error = miocpullup(mp, sizeof (struct cons_polledio *)); 780 if (error != 0) { 781 miocnak(qp, mp, 0, error); 782 return; 783 } 784 785 /* 786 * We are given an appropriate-sized data block, 787 * and return a pointer to our structure in it. 788 */ 789 *(struct cons_polledio **)mp->b_cont->b_rptr = 790 &kb8042->polledio; 791 mp->b_datap->db_type = M_IOCACK; 792 iocp->ioc_error = 0; 793 qreply(qp, mp); 794 break; 795 796 case CONSCLOSEPOLLEDIO: 797 miocack(qp, mp, 0, 0); 798 break; 799 800 case CONSSETABORTENABLE: 801 if (iocp->ioc_count != TRANSPARENT) { 802 miocnak(qp, mp, 0, EINVAL); 803 return; 804 } 805 806 kb8042->debugger.enabled = *(intptr_t *)mp->b_cont->b_rptr; 807 miocack(qp, mp, 0, 0); 808 break; 809 810 /* 811 * Valid only in TR_UNTRANS_MODE mode. 812 */ 813 case CONSSETKBDTYPE: 814 error = miocpullup(mp, sizeof (int)); 815 if (error != 0) { 816 miocnak(qp, mp, 0, error); 817 return; 818 } 819 tmp = *(int *)mp->b_cont->b_rptr; 820 if (tmp != KB_PC && tmp != KB_USB) { 821 miocnak(qp, mp, 0, EINVAL); 822 break; 823 } 824 kb8042->simulated_kbd_type = tmp; 825 miocack(qp, mp, 0, 0); 826 break; 827 828 case KIOCLAYOUT: 829 if (kb8042->w_kblayout == -1) { 830 miocnak(qp, mp, 0, EINVAL); 831 return; 832 } 833 834 if ((datap = allocb(sizeof (int), BPRI_HI)) == NULL) { 835 miocnak(qp, mp, 0, ENOMEM); 836 return; 837 } 838 839 if (kb8042->simulated_kbd_type == KB_USB) 840 *(int *)datap->b_wptr = KBTRANS_USBKB_DEFAULT_LAYOUT; 841 else 842 *(int *)datap->b_wptr = kb8042->w_kblayout; 843 844 datap->b_wptr += sizeof (int); 845 if (mp->b_cont) 846 freemsg(mp->b_cont); 847 mp->b_cont = datap; 848 iocp->ioc_count = sizeof (int); 849 mp->b_datap->db_type = M_IOCACK; 850 iocp->ioc_error = 0; 851 qreply(qp, mp); 852 break; 853 854 case KIOCSLAYOUT: 855 if (iocp->ioc_count != TRANSPARENT) { 856 miocnak(qp, mp, 0, EINVAL); 857 return; 858 } 859 860 kb8042->w_kblayout = *(intptr_t *)mp->b_cont->b_rptr; 861 miocack(qp, mp, 0, 0); 862 break; 863 864 case KIOCCMD: 865 error = miocpullup(mp, sizeof (int)); 866 if (error != 0) { 867 miocnak(qp, mp, 0, error); 868 return; 869 } 870 871 kb8042_type4_cmd(kb8042, *(int *)mp->b_cont->b_rptr); 872 miocack(qp, mp, 0, 0); 873 break; 874 875 default: 876 #ifdef DEBUG1 877 cmn_err(CE_NOTE, "!kb8042_ioctlmsg %x", iocp->ioc_cmd); 878 #endif 879 miocnak(qp, mp, 0, EINVAL); 880 return; 881 } 882 } 883 884 /* 885 * Process a byte received from the keyboard 886 */ 887 static void 888 kb8042_received_byte( 889 struct kb8042 *kb8042, 890 int scancode) /* raw scan code */ 891 { 892 boolean_t legit; /* is this a legit key pos'n? */ 893 int key_pos = -1; 894 enum keystate state; 895 boolean_t synthetic_release_needed; 896 897 #ifdef KD_DEBUG 898 kb8042_debug_hotkey(scancode); 899 #endif 900 901 if (!kb8042->w_init) /* can't do anything anyway */ 902 return; 903 904 legit = KeyboardConvertScan(kb8042, scancode, &key_pos, &state, 905 &synthetic_release_needed); 906 907 if (legit == 0) { 908 /* Eaten by translation */ 909 #ifdef KD_DEBUG 910 if (kb8042_debug) 911 prom_printf("kb8042_intr: 0x%x -> ignored\n", scancode); 912 #endif 913 return; 914 } 915 916 #ifdef KD_DEBUG 917 if (kb8042_debug) { 918 prom_printf("kb8042_intr: 0x%x -> %s %d", 919 scancode, 920 state == KEY_RELEASED ? "released" : "pressed", 921 key_pos); 922 } 923 #endif 924 925 /* 926 * Don't know if we want this permanently, but it seems interesting 927 * for the moment. 928 */ 929 if (key_pos == kb8042->debugger.mod1) { 930 #ifdef KD_DEBUG 931 if (kb8042_debug) 932 prom_printf(" -> debug mod1"); 933 #endif 934 kb8042->debugger.mod1_down = (state == KEY_PRESSED); 935 } 936 if (key_pos == kb8042->debugger.mod2) { 937 #ifdef KD_DEBUG 938 if (kb8042_debug) 939 prom_printf(" -> debug mod2"); 940 #endif 941 kb8042->debugger.mod2_down = (state == KEY_PRESSED); 942 } 943 if (kb8042->debugger.enabled && 944 key_pos == kb8042->debugger.trigger && 945 kb8042->debugger.mod1_down && 946 kb8042->debugger.mod2_down) { 947 #ifdef KD_DEBUG 948 if (kb8042_debug) 949 prom_printf(" -> debugger\n"); 950 #endif 951 /* 952 * Require new presses of the modifiers. 953 */ 954 kb8042->debugger.mod1_down = B_FALSE; 955 kb8042->debugger.mod2_down = B_FALSE; 956 abort_sequence_enter(NULL); 957 return; 958 } 959 960 /* 961 * If there's no queue above us - as can happen if we've been 962 * attached but not opened - drop the keystroke. 963 * Note that we do this here instead of above so that 964 * Ctrl-Alt-D still works. 965 */ 966 if (kb8042->w_qp == NULL) { 967 #ifdef KD_DEBUG 968 if (kb8042_debug) 969 prom_printf(" -> nobody home\n"); 970 #endif 971 return; 972 } 973 974 /* 975 * This is to filter out auto repeat since it can't be 976 * turned off at the hardware. (Yeah, yeah, PS/2 keyboards 977 * can. Don't know whether they've taken over the world. 978 * Don't think so.) 979 */ 980 if (kb8042_autorepeat_detect(kb8042, key_pos, state)) { 981 #ifdef KD_DEBUG 982 if (kb8042_debug) 983 prom_printf(" -> autorepeat ignored\n"); 984 #endif 985 return; 986 } 987 988 #ifdef KD_DEBUG 989 if (kb8042_debug) 990 prom_printf(" -> OK\n"); 991 #endif 992 993 #if defined(KD_DEBUG) 994 if (kb8042_pressrelease_debug) { 995 prom_printf(" %s%d ", 996 state == KEY_PRESSED ? "+" : "-", 997 key_pos); 998 } 999 #endif 1000 1001 kb8042_process_key(kb8042, key_pos, state); 1002 1003 /* 1004 * This is a total hack. For some stupid reason, the two additional 1005 * keys on Korean keyboards (Hangul and Hangul/Hanja) report press 1006 * only. We synthesize a release immediately. 1007 */ 1008 if (synthetic_release_needed) { 1009 #if defined(KD_DEBUG) 1010 if (kb8042_debug) 1011 prom_printf("synthetic release %d\n", key_pos); 1012 if (kb8042_pressrelease_debug) 1013 prom_printf(" -%d(s) ", key_pos); 1014 #endif 1015 (void) kb8042_autorepeat_detect(kb8042, key_pos, KEY_RELEASED); 1016 kb8042_process_key(kb8042, key_pos, state); 1017 } 1018 } 1019 1020 1021 static void 1022 kb8042_process_key(struct kb8042 *kb8042, kbtrans_key_t key_pos, 1023 enum keystate state) 1024 { 1025 kbtrans_key_t key; 1026 1027 ASSERT(key_pos >= 0 && key_pos <= 255); 1028 if (kb8042->simulated_kbd_type == KB_PC) { 1029 kbtrans_streams_key(kb8042->hw_kbtrans, key_pos, state); 1030 } else if (kb8042->simulated_kbd_type == KB_USB) { 1031 key = keytab_pc2usb[key_pos]; 1032 if (key != 0) { 1033 kbtrans_streams_key(kb8042->hw_kbtrans, key, state); 1034 } 1035 } 1036 } 1037 1038 /* 1039 * Called from interrupt handler when keyboard interrupt occurs. 1040 */ 1041 static uint_t 1042 kb8042_intr(caddr_t arg) 1043 { 1044 uchar_t scancode; /* raw scan code */ 1045 int rc; 1046 struct kb8042 *kb8042 = (struct kb8042 *)arg; 1047 1048 rc = DDI_INTR_UNCLAIMED; 1049 1050 if (kb8042->init_state == KB8042_UNINITIALIZED) 1051 return (DDI_INTR_UNCLAIMED); 1052 1053 /* don't care if drv_setparm succeeds */ 1054 (void) drv_setparm(SYSRINT, 1); 1055 1056 while (ddi_get8(kb8042->handle, kb8042->addr + I8042_INT_INPUT_AVAIL) 1057 != 0) { 1058 rc = DDI_INTR_CLAIMED; 1059 1060 scancode = ddi_get8(kb8042->handle, 1061 kb8042->addr + I8042_INT_INPUT_DATA); 1062 1063 #if defined(KD_DEBUG) 1064 if (kb8042_low_level_debug) 1065 prom_printf(" <K:%x ", scancode); 1066 #endif 1067 1068 mutex_enter(&kb8042->w_hw_mutex); 1069 1070 if (kb8042_state_machine(kb8042, scancode, B_FALSE) != 1071 STATE_NORMAL) { 1072 mutex_exit(&kb8042->w_hw_mutex); 1073 continue; 1074 } 1075 1076 1077 mutex_exit(&kb8042->w_hw_mutex); 1078 1079 kb8042_received_byte(kb8042, scancode); 1080 } 1081 1082 return (rc); 1083 } 1084 1085 static void 1086 kb8042_iocdatamsg(queue_t *qp, mblk_t *mp) 1087 { 1088 struct copyresp *csp; 1089 1090 csp = (struct copyresp *)mp->b_rptr; 1091 if (csp->cp_rval) { 1092 freemsg(mp); 1093 return; 1094 } 1095 1096 switch (csp->cp_cmd) { 1097 default: 1098 miocack(qp, mp, 0, 0); 1099 break; 1100 } 1101 } 1102 1103 static boolean_t 1104 kb8042_polled_keycheck( 1105 struct kbtrans_hardware *hw, 1106 int *key, 1107 enum keystate *state) 1108 { 1109 struct kb8042 *kb8042 = (struct kb8042 *)hw; 1110 int scancode; 1111 boolean_t legit; 1112 boolean_t synthetic_release_needed; 1113 1114 if (kb8042->polled_synthetic_release_pending) { 1115 *key = kb8042->polled_synthetic_release_key; 1116 *state = KEY_RELEASED; 1117 kb8042->polled_synthetic_release_pending = B_FALSE; 1118 #if defined(KD_DEBUG) 1119 if (kb8042_getchar_debug) 1120 prom_printf("synthetic release 0x%x\n", *key); 1121 #endif 1122 (void) kb8042_autorepeat_detect(kb8042, *key, *state); 1123 return (B_TRUE); 1124 } 1125 1126 for (;;) { 1127 if (ddi_get8(kb8042->handle, 1128 kb8042->addr + I8042_POLL_INPUT_AVAIL) == 0) { 1129 return (B_FALSE); 1130 } 1131 1132 scancode = ddi_get8(kb8042->handle, 1133 kb8042->addr + I8042_POLL_INPUT_DATA); 1134 1135 #if defined(KD_DEBUG) 1136 if (kb8042_low_level_debug) 1137 prom_printf(" g<%x ", scancode); 1138 #endif 1139 1140 if (kb8042_state_machine(kb8042, scancode, B_FALSE) != 1141 STATE_NORMAL) { 1142 continue; 1143 } 1144 1145 #ifdef KD_DEBUG 1146 kb8042_debug_hotkey(scancode); 1147 if (kb8042_getchar_debug) 1148 prom_printf("polled 0x%x", scancode); 1149 #endif 1150 1151 legit = KeyboardConvertScan(kb8042, scancode, key, state, 1152 &synthetic_release_needed); 1153 if (!legit) { 1154 #ifdef KD_DEBUG 1155 if (kb8042_getchar_debug) 1156 prom_printf(" -> ignored\n"); 1157 #endif 1158 continue; 1159 } 1160 #ifdef KD_DEBUG 1161 if (kb8042_getchar_debug) { 1162 prom_printf(" -> %s %d\n", 1163 *state == KEY_PRESSED ? "pressed" : "released", 1164 *key); 1165 } 1166 #endif 1167 /* 1168 * For the moment at least, we rely on hardware autorepeat 1169 * for polled I/O autorepeat. However, for coordination 1170 * with the interrupt-driven code, maintain the last key 1171 * pressed. 1172 */ 1173 (void) kb8042_autorepeat_detect(kb8042, *key, *state); 1174 1175 /* 1176 * This is a total hack to support two additional keys 1177 * on Korean keyboards. They report only on press, and 1178 * so we synthesize a release. Most likely this will 1179 * never be important to polled I/O, but if I do it 1180 * "right" the first time it _won't_ be an issue. 1181 */ 1182 if (synthetic_release_needed) { 1183 kb8042->polled_synthetic_release_pending = B_TRUE; 1184 kb8042->polled_synthetic_release_key = *key; 1185 } 1186 1187 if (kb8042->simulated_kbd_type == KB_USB) { 1188 *key = keytab_pc2usb[*key]; 1189 } 1190 return (B_TRUE); 1191 } 1192 } 1193 1194 static void 1195 kb8042_setled(struct kb8042 *kb8042, int led_state, boolean_t polled) 1196 { 1197 kb8042->leds.desired = led_state; 1198 1199 if (!polled) 1200 mutex_enter(&kb8042->w_hw_mutex); 1201 1202 kb8042_start_state_machine(kb8042, polled); 1203 1204 if (!polled) 1205 mutex_exit(&kb8042->w_hw_mutex); 1206 } 1207 1208 static void 1209 kb8042_polled_setled(struct kbtrans_hardware *hw, int led_state) 1210 { 1211 struct kb8042 *kb8042 = (struct kb8042 *)hw; 1212 kb8042_setled(kb8042, led_state, B_TRUE); 1213 } 1214 1215 static void 1216 kb8042_streams_setled(struct kbtrans_hardware *hw, int led_state) 1217 { 1218 struct kb8042 *kb8042 = (struct kb8042 *)hw; 1219 kb8042_setled(kb8042, led_state, B_FALSE); 1220 } 1221 1222 static void 1223 kb8042_send_to_keyboard(struct kb8042 *kb8042, int byte, boolean_t polled) 1224 { 1225 if (polled) { 1226 ddi_put8(kb8042->handle, 1227 kb8042->addr + I8042_POLL_OUTPUT_DATA, byte); 1228 } else { 1229 ddi_put8(kb8042->handle, 1230 kb8042->addr + I8042_INT_OUTPUT_DATA, byte); 1231 } 1232 1233 #if defined(KD_DEBUG) 1234 if (kb8042_low_level_debug) 1235 prom_printf(" >K:%x ", byte); 1236 #endif 1237 } 1238 1239 /* 1240 * Wait until the keyboard is fully up, maybe. 1241 * We may be the first person to talk to the keyboard, in which case 1242 * it's patiently waiting to say "AA" to us to tell us it's up. 1243 * In theory it sends the AA in 300ms < n < 9s, but it's a pretty 1244 * good bet that we've already spent that long getting to that point, 1245 * so we'll only wait long enough for the communications electronics to 1246 * run. 1247 */ 1248 static void 1249 kb8042_wait_poweron(struct kb8042 *kb8042) 1250 { 1251 int cnt; 1252 int ready; 1253 unsigned char byt; 1254 1255 /* wait for up to 250 ms for a response */ 1256 for (cnt = 0; cnt < 250; cnt++) { 1257 ready = ddi_get8(kb8042->handle, 1258 kb8042->addr + I8042_INT_INPUT_AVAIL); 1259 if (ready != 0) 1260 break; 1261 drv_usecwait(1000); 1262 } 1263 1264 /* 1265 * If there's something pending, read and discard it. If not, 1266 * assume things are OK anyway - maybe somebody else ate it 1267 * already. (On a PC, the BIOS almost certainly did.) 1268 */ 1269 if (ready != 0) { 1270 byt = ddi_get8(kb8042->handle, 1271 kb8042->addr + I8042_INT_INPUT_DATA); 1272 #if defined(KD_DEBUG) 1273 if (kb8042_low_level_debug) 1274 prom_printf(" <K:%x ", byt); 1275 #endif 1276 } 1277 } 1278 1279 static void 1280 kb8042_start_state_machine(struct kb8042 *kb8042, boolean_t polled) 1281 { 1282 if (kb8042->command_state == KB_COMMAND_STATE_IDLE) { 1283 if (kb8042->leds.desired != kb8042->leds.commanded) { 1284 kb8042_send_to_keyboard(kb8042, KB_SET_LED, polled); 1285 kb8042->command_state = KB_COMMAND_STATE_LED; 1286 } 1287 } 1288 } 1289 1290 enum state_return 1291 kb8042_state_machine(struct kb8042 *kb8042, int scancode, boolean_t polled) 1292 { 1293 switch (kb8042->command_state) { 1294 case KB_COMMAND_STATE_IDLE: 1295 break; 1296 1297 case KB_COMMAND_STATE_LED: 1298 if (scancode == KB_ACK) { 1299 kb8042_send_to_keyboard(kb8042, 1300 kb8042_xlate_leds(kb8042->leds.desired), 1301 polled); 1302 kb8042->leds.commanded = kb8042->leds.desired; 1303 kb8042->command_state = KB_COMMAND_STATE_WAIT; 1304 return (STATE_INTERNAL); 1305 } 1306 /* Drop normal scan codes through. */ 1307 break; 1308 1309 case KB_COMMAND_STATE_WAIT: 1310 if (scancode == KB_ACK) { 1311 kb8042->command_state = KB_COMMAND_STATE_IDLE; 1312 kb8042_start_state_machine(kb8042, polled); 1313 return (STATE_INTERNAL); 1314 } 1315 /* Drop normal scan codes through. */ 1316 break; 1317 } 1318 return (STATE_NORMAL); 1319 } 1320 1321 static int 1322 kb8042_xlate_leds(int led) 1323 { 1324 int res; 1325 1326 res = 0; 1327 1328 if (led & LED_NUM_LOCK) 1329 res |= LED_NUM; 1330 if (led & LED_SCROLL_LOCK) 1331 res |= LED_SCR; 1332 if (led & LED_CAPS_LOCK) 1333 res |= LED_CAP; 1334 1335 return (res); 1336 } 1337 1338 /*ARGSUSED*/ 1339 static void 1340 kb8042_get_initial_leds( 1341 struct kb8042 *kb8042, 1342 int *initial_leds, 1343 int *initial_led_mask) 1344 { 1345 #if defined(i86pc) 1346 extern caddr_t p0_va; 1347 uint8_t bios_kb_flag; 1348 1349 bios_kb_flag = p0_va[BIOS_KB_FLAG]; 1350 1351 *initial_led_mask = LED_CAPS_LOCK | LED_NUM_LOCK | LED_SCROLL_LOCK; 1352 *initial_leds = 0; 1353 if (bios_kb_flag & BIOS_CAPS_STATE) 1354 *initial_leds |= LED_CAPS_LOCK; 1355 if (bios_kb_flag & BIOS_NUM_STATE) 1356 *initial_leds |= LED_NUM_LOCK; 1357 if (bios_kb_flag & BIOS_SCROLL_STATE) 1358 *initial_leds |= LED_SCROLL_LOCK; 1359 #else 1360 *initial_leds = 0; 1361 *initial_led_mask = 0; 1362 #endif 1363 } 1364 1365 #if defined(KD_DEBUG) 1366 static void 1367 kb8042_debug_hotkey(int scancode) 1368 { 1369 if (!kb8042_enable_debug_hotkey) 1370 return; 1371 1372 switch (scancode) { 1373 case 0x44: /* F10 in Scan Set 1 code. (Set 2 code is 0x09) */ 1374 if (!kb8042_debug) { 1375 prom_printf("\nKeyboard: normal debugging on\n"); 1376 kb8042_debug = B_TRUE; 1377 } 1378 break; 1379 case 0x43: /* F9 in Scan Set 1 code. (Set 2 code is 0x01) */ 1380 if (!kb8042_getchar_debug) { 1381 prom_printf("\nKeyboard: getchar debugging on\n"); 1382 kb8042_getchar_debug = B_TRUE; 1383 } 1384 break; 1385 case 0x42: /* F8 in Scan Set 1 code. (Set 2 code is 0x0a) */ 1386 if (!kb8042_low_level_debug) { 1387 prom_printf("\nKeyboard: low-level debugging on\n"); 1388 kb8042_low_level_debug = B_TRUE; 1389 } 1390 break; 1391 case 0x41: /* F7 in Scan Set 1 code. (Set 2 code is 0x83) */ 1392 if (!kb8042_pressrelease_debug) { 1393 prom_printf( 1394 "\nKeyboard: press/release debugging on\n"); 1395 kb8042_pressrelease_debug = B_TRUE; 1396 } 1397 break; 1398 case 0x3b: /* F1 in Scan Set 1 code. (Set 2 code is 0x05) */ 1399 if (kb8042_debug || 1400 kb8042_getchar_debug || 1401 kb8042_low_level_debug || 1402 kb8042_pressrelease_debug) { 1403 prom_printf("\nKeyboard: all debugging off\n"); 1404 kb8042_debug = B_FALSE; 1405 kb8042_getchar_debug = B_FALSE; 1406 kb8042_low_level_debug = B_FALSE; 1407 kb8042_pressrelease_debug = B_FALSE; 1408 } 1409 break; 1410 } 1411 } 1412 #endif 1413 1414 static boolean_t 1415 kb8042_autorepeat_detect( 1416 struct kb8042 *kb8042, 1417 int key_pos, 1418 enum keystate state) 1419 { 1420 if (state == KEY_RELEASED) { 1421 if (kb8042->kb_old_key_pos == key_pos) 1422 kb8042->kb_old_key_pos = 0; 1423 } else { 1424 if (kb8042->kb_old_key_pos == key_pos) { 1425 return (B_TRUE); 1426 } 1427 kb8042->kb_old_key_pos = key_pos; 1428 } 1429 return (B_FALSE); 1430 } 1431 1432 /* ARGSUSED */ 1433 static void 1434 kb8042_type4_cmd(struct kb8042 *kb8042, int cmd) 1435 { 1436 switch (cmd) { 1437 case KBD_CMD_BELL: 1438 beeper_on(BEEP_TYPE4); 1439 break; 1440 case KBD_CMD_NOBELL: 1441 beeper_off(); 1442 break; 1443 } 1444 } 1445 1446 1447 /* 1448 * This is a pass-thru routine to get a character at poll time. 1449 */ 1450 static int 1451 kb8042_polled_getchar(struct cons_polledio_arg *arg) 1452 { 1453 struct kb8042 *kb8042; 1454 1455 kb8042 = (struct kb8042 *)arg; 1456 1457 return (kbtrans_getchar(kb8042->hw_kbtrans)); 1458 } 1459 1460 /* 1461 * This is a pass-thru routine to get a character at poll time. 1462 */ 1463 static int 1464 kb8042_polled_ischar(struct cons_polledio_arg *arg) 1465 { 1466 struct kb8042 *kb8042; 1467 1468 kb8042 = (struct kb8042 *)arg; 1469 1470 return (kbtrans_ischar(kb8042->hw_kbtrans)); 1471 } 1472