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 ASSERT(kb8042_dip != NULL); 608 609 if (kb8042->init_state & KB8042_HW_MUTEX_INITTED) 610 mutex_destroy(&kb8042->w_hw_mutex); 611 612 if (kb8042->init_state & KB8042_INTR_ADDED) 613 ddi_remove_intr(kb8042_dip, 0, kb8042->w_iblock); 614 615 if (kb8042->init_state & KB8042_REGS_MAPPED) 616 ddi_regs_map_free(&kb8042->handle); 617 618 if (kb8042->init_state & KB8042_MINOR_NODE_CREATED) 619 ddi_remove_minor_node(kb8042_dip, NULL); 620 621 kb8042->init_state = KB8042_UNINITIALIZED; 622 kb8042_dip = NULL; 623 } 624 625 static void 626 kb8042_init(struct kb8042 *kb8042, boolean_t from_resume) 627 { 628 if (kb8042->w_init) 629 return; 630 631 if (!from_resume) { 632 kb8042->w_kblayout = 0; /* Default to US */ 633 kb8042->w_qp = (queue_t *)NULL; 634 kb8042->simulated_kbd_type = KB_PC; 635 kb8042->leds.commanded = -1; /* Unknown initial state */ 636 kb8042->leds.desired = -1; /* Unknown initial state */ 637 } 638 639 kb8042_wait_poweron(kb8042); 640 641 kb8042->kb_old_key_pos = 0; 642 643 /* Set up the command state machine and start it running. */ 644 kb8042->command_state = KB_COMMAND_STATE_WAIT; 645 kb8042_send_to_keyboard(kb8042, KB_ENABLE, B_FALSE); 646 647 kb8042->w_init++; 648 649 (void) drv_setparm(SYSRINT, 1); /* reset keyboard interrupts */ 650 } 651 652 /*ARGSUSED2*/ 653 static int 654 kb8042_open(queue_t *qp, dev_t *devp, int flag, int sflag, cred_t *credp) 655 { 656 struct kb8042 *kb8042; 657 int err; 658 int initial_leds; 659 int initial_led_mask; 660 661 kb8042 = &Kdws; 662 663 kb8042->w_dev = *devp; 664 665 if (qp->q_ptr) { 666 return (0); 667 } 668 qp->q_ptr = (caddr_t)kb8042; 669 WR(qp)->q_ptr = qp->q_ptr; 670 if (!kb8042->w_qp) 671 kb8042->w_qp = qp; 672 673 kb8042_get_initial_leds(kb8042, &initial_leds, &initial_led_mask); 674 err = kbtrans_streams_init(qp, sflag, credp, 675 (struct kbtrans_hardware *)kb8042, &kb8042_callbacks, 676 &kb8042->hw_kbtrans, 677 initial_leds, initial_led_mask); 678 if (err != 0) 679 return (err); 680 681 kbtrans_streams_set_keyboard(kb8042->hw_kbtrans, KB_PC, &keyindex_pc); 682 683 kb8042->polledio.cons_polledio_version = CONSPOLLEDIO_V1; 684 kb8042->polledio.cons_polledio_argument = 685 (struct cons_polledio_arg *)kb8042; 686 kb8042->polledio.cons_polledio_putchar = NULL; 687 kb8042->polledio.cons_polledio_getchar = 688 (int (*)(struct cons_polledio_arg *))kb8042_polled_getchar; 689 kb8042->polledio.cons_polledio_ischar = 690 (boolean_t (*)(struct cons_polledio_arg *))kb8042_polled_ischar; 691 kb8042->polledio.cons_polledio_enter = NULL; 692 kb8042->polledio.cons_polledio_exit = NULL; 693 kb8042->polledio.cons_polledio_setled = 694 (void (*)(struct cons_polledio_arg *, int))kb8042_polled_setled; 695 kb8042->polledio.cons_polledio_keycheck = 696 (boolean_t (*)(struct cons_polledio_arg *, int *, 697 enum keystate *))kb8042_polled_keycheck; 698 699 qprocson(qp); 700 701 kbtrans_streams_enable(kb8042->hw_kbtrans); 702 703 return (0); 704 } 705 706 /*ARGSUSED1*/ 707 static int 708 kb8042_close(queue_t *qp, int flag, cred_t *credp) 709 { 710 struct kb8042 *kb8042; 711 712 kb8042 = (struct kb8042 *)qp->q_ptr; 713 714 (void) kbtrans_streams_fini(kb8042->hw_kbtrans); 715 716 kb8042->w_qp = (queue_t *)NULL; 717 qprocsoff(qp); 718 719 return (0); 720 } 721 722 static int 723 kb8042_wsrv(queue_t *qp) 724 { 725 struct kb8042 *kb8042; 726 727 mblk_t *mp; 728 729 kb8042 = (struct kb8042 *)qp->q_ptr; 730 731 while ((mp = getq(qp))) { 732 switch (kbtrans_streams_message(kb8042->hw_kbtrans, mp)) { 733 case KBTRANS_MESSAGE_HANDLED: 734 continue; 735 case KBTRANS_MESSAGE_NOT_HANDLED: 736 break; 737 } 738 switch (mp->b_datap->db_type) { 739 case M_IOCTL: 740 kb8042_ioctlmsg(kb8042, qp, mp); 741 continue; 742 case M_IOCDATA: 743 kb8042_iocdatamsg(qp, mp); 744 continue; 745 case M_DELAY: 746 case M_STARTI: 747 case M_STOPI: 748 case M_READ: /* ignore, no buffered data */ 749 freemsg(mp); 750 continue; 751 case M_FLUSH: 752 *mp->b_rptr &= ~FLUSHW; 753 if (*mp->b_rptr & FLUSHR) 754 qreply(qp, mp); 755 else 756 freemsg(mp); 757 continue; 758 default: 759 cmn_err(CE_NOTE, "kb8042_wsrv: bad msg %x", 760 mp->b_datap->db_type); 761 freemsg(mp); 762 continue; 763 } 764 } 765 return (0); 766 } 767 768 static void 769 kb8042_ioctlmsg(struct kb8042 *kb8042, queue_t *qp, mblk_t *mp) 770 { 771 struct iocblk *iocp; 772 mblk_t *datap; 773 int error; 774 int tmp; 775 776 iocp = (struct iocblk *)mp->b_rptr; 777 778 switch (iocp->ioc_cmd) { 779 780 case CONSOPENPOLLEDIO: 781 error = miocpullup(mp, sizeof (struct cons_polledio *)); 782 if (error != 0) { 783 miocnak(qp, mp, 0, error); 784 return; 785 } 786 787 /* 788 * We are given an appropriate-sized data block, 789 * and return a pointer to our structure in it. 790 */ 791 *(struct cons_polledio **)mp->b_cont->b_rptr = 792 &kb8042->polledio; 793 mp->b_datap->db_type = M_IOCACK; 794 iocp->ioc_error = 0; 795 qreply(qp, mp); 796 break; 797 798 case CONSCLOSEPOLLEDIO: 799 miocack(qp, mp, 0, 0); 800 break; 801 802 case CONSSETABORTENABLE: 803 if (iocp->ioc_count != TRANSPARENT) { 804 miocnak(qp, mp, 0, EINVAL); 805 return; 806 } 807 808 kb8042->debugger.enabled = *(intptr_t *)mp->b_cont->b_rptr; 809 miocack(qp, mp, 0, 0); 810 break; 811 812 /* 813 * Valid only in TR_UNTRANS_MODE mode. 814 */ 815 case CONSSETKBDTYPE: 816 error = miocpullup(mp, sizeof (int)); 817 if (error != 0) { 818 miocnak(qp, mp, 0, error); 819 return; 820 } 821 tmp = *(int *)mp->b_cont->b_rptr; 822 if (tmp != KB_PC && tmp != KB_USB) { 823 miocnak(qp, mp, 0, EINVAL); 824 break; 825 } 826 kb8042->simulated_kbd_type = tmp; 827 miocack(qp, mp, 0, 0); 828 break; 829 830 case KIOCLAYOUT: 831 if (kb8042->w_kblayout == -1) { 832 miocnak(qp, mp, 0, EINVAL); 833 return; 834 } 835 836 if ((datap = allocb(sizeof (int), BPRI_HI)) == NULL) { 837 miocnak(qp, mp, 0, ENOMEM); 838 return; 839 } 840 841 if (kb8042->simulated_kbd_type == KB_USB) 842 *(int *)datap->b_wptr = KBTRANS_USBKB_DEFAULT_LAYOUT; 843 else 844 *(int *)datap->b_wptr = kb8042->w_kblayout; 845 846 datap->b_wptr += sizeof (int); 847 if (mp->b_cont) 848 freemsg(mp->b_cont); 849 mp->b_cont = datap; 850 iocp->ioc_count = sizeof (int); 851 mp->b_datap->db_type = M_IOCACK; 852 iocp->ioc_error = 0; 853 qreply(qp, mp); 854 break; 855 856 case KIOCSLAYOUT: 857 if (iocp->ioc_count != TRANSPARENT) { 858 miocnak(qp, mp, 0, EINVAL); 859 return; 860 } 861 862 kb8042->w_kblayout = *(intptr_t *)mp->b_cont->b_rptr; 863 miocack(qp, mp, 0, 0); 864 break; 865 866 case KIOCCMD: 867 error = miocpullup(mp, sizeof (int)); 868 if (error != 0) { 869 miocnak(qp, mp, 0, error); 870 return; 871 } 872 873 kb8042_type4_cmd(kb8042, *(int *)mp->b_cont->b_rptr); 874 miocack(qp, mp, 0, 0); 875 break; 876 877 default: 878 #ifdef DEBUG1 879 cmn_err(CE_NOTE, "!kb8042_ioctlmsg %x", iocp->ioc_cmd); 880 #endif 881 miocnak(qp, mp, 0, EINVAL); 882 return; 883 } 884 } 885 886 /* 887 * Process a byte received from the keyboard 888 */ 889 static void 890 kb8042_received_byte( 891 struct kb8042 *kb8042, 892 int scancode) /* raw scan code */ 893 { 894 boolean_t legit; /* is this a legit key pos'n? */ 895 int key_pos = -1; 896 enum keystate state; 897 boolean_t synthetic_release_needed; 898 899 #ifdef KD_DEBUG 900 kb8042_debug_hotkey(scancode); 901 #endif 902 903 if (!kb8042->w_init) /* can't do anything anyway */ 904 return; 905 906 legit = KeyboardConvertScan(kb8042, scancode, &key_pos, &state, 907 &synthetic_release_needed); 908 909 if (legit == 0) { 910 /* Eaten by translation */ 911 #ifdef KD_DEBUG 912 if (kb8042_debug) 913 prom_printf("kb8042_intr: 0x%x -> ignored\n", scancode); 914 #endif 915 return; 916 } 917 918 #ifdef KD_DEBUG 919 if (kb8042_debug) { 920 prom_printf("kb8042_intr: 0x%x -> %s %d", 921 scancode, 922 state == KEY_RELEASED ? "released" : "pressed", 923 key_pos); 924 } 925 #endif 926 927 /* 928 * Don't know if we want this permanently, but it seems interesting 929 * for the moment. 930 */ 931 if (key_pos == kb8042->debugger.mod1) { 932 #ifdef KD_DEBUG 933 if (kb8042_debug) 934 prom_printf(" -> debug mod1"); 935 #endif 936 kb8042->debugger.mod1_down = (state == KEY_PRESSED); 937 } 938 if (key_pos == kb8042->debugger.mod2) { 939 #ifdef KD_DEBUG 940 if (kb8042_debug) 941 prom_printf(" -> debug mod2"); 942 #endif 943 kb8042->debugger.mod2_down = (state == KEY_PRESSED); 944 } 945 if (kb8042->debugger.enabled && 946 key_pos == kb8042->debugger.trigger && 947 kb8042->debugger.mod1_down && 948 kb8042->debugger.mod2_down) { 949 #ifdef KD_DEBUG 950 if (kb8042_debug) 951 prom_printf(" -> debugger\n"); 952 #endif 953 /* 954 * Require new presses of the modifiers. 955 */ 956 kb8042->debugger.mod1_down = B_FALSE; 957 kb8042->debugger.mod2_down = B_FALSE; 958 abort_sequence_enter(NULL); 959 return; 960 } 961 962 /* 963 * If there's no queue above us - as can happen if we've been 964 * attached but not opened - drop the keystroke. 965 * Note that we do this here instead of above so that 966 * Ctrl-Alt-D still works. 967 */ 968 if (kb8042->w_qp == NULL) { 969 #ifdef KD_DEBUG 970 if (kb8042_debug) 971 prom_printf(" -> nobody home\n"); 972 #endif 973 return; 974 } 975 976 /* 977 * This is to filter out auto repeat since it can't be 978 * turned off at the hardware. (Yeah, yeah, PS/2 keyboards 979 * can. Don't know whether they've taken over the world. 980 * Don't think so.) 981 */ 982 if (kb8042_autorepeat_detect(kb8042, key_pos, state)) { 983 #ifdef KD_DEBUG 984 if (kb8042_debug) 985 prom_printf(" -> autorepeat ignored\n"); 986 #endif 987 return; 988 } 989 990 #ifdef KD_DEBUG 991 if (kb8042_debug) 992 prom_printf(" -> OK\n"); 993 #endif 994 995 #if defined(KD_DEBUG) 996 if (kb8042_pressrelease_debug) { 997 prom_printf(" %s%d ", 998 state == KEY_PRESSED ? "+" : "-", 999 key_pos); 1000 } 1001 #endif 1002 1003 kb8042_process_key(kb8042, key_pos, state); 1004 1005 /* 1006 * This is a total hack. For some stupid reason, the two additional 1007 * keys on Korean keyboards (Hangul and Hangul/Hanja) report press 1008 * only. We synthesize a release immediately. 1009 */ 1010 if (synthetic_release_needed) { 1011 #if defined(KD_DEBUG) 1012 if (kb8042_debug) 1013 prom_printf("synthetic release %d\n", key_pos); 1014 if (kb8042_pressrelease_debug) 1015 prom_printf(" -%d(s) ", key_pos); 1016 #endif 1017 (void) kb8042_autorepeat_detect(kb8042, key_pos, KEY_RELEASED); 1018 kb8042_process_key(kb8042, key_pos, state); 1019 } 1020 } 1021 1022 1023 static void 1024 kb8042_process_key(struct kb8042 *kb8042, kbtrans_key_t key_pos, 1025 enum keystate state) 1026 { 1027 kbtrans_key_t key; 1028 1029 ASSERT(key_pos >= 0 && key_pos <= 255); 1030 if (kb8042->simulated_kbd_type == KB_PC) { 1031 kbtrans_streams_key(kb8042->hw_kbtrans, key_pos, state); 1032 } else if (kb8042->simulated_kbd_type == KB_USB) { 1033 key = keytab_pc2usb[key_pos]; 1034 if (key != 0) { 1035 kbtrans_streams_key(kb8042->hw_kbtrans, key, state); 1036 } 1037 } 1038 } 1039 1040 /* 1041 * Called from interrupt handler when keyboard interrupt occurs. 1042 */ 1043 static uint_t 1044 kb8042_intr(caddr_t arg) 1045 { 1046 uchar_t scancode; /* raw scan code */ 1047 int rc; 1048 struct kb8042 *kb8042 = (struct kb8042 *)arg; 1049 1050 rc = DDI_INTR_UNCLAIMED; 1051 1052 if (kb8042->init_state == KB8042_UNINITIALIZED) 1053 return (DDI_INTR_UNCLAIMED); 1054 1055 /* don't care if drv_setparm succeeds */ 1056 (void) drv_setparm(SYSRINT, 1); 1057 1058 while (ddi_get8(kb8042->handle, kb8042->addr + I8042_INT_INPUT_AVAIL) 1059 != 0) { 1060 rc = DDI_INTR_CLAIMED; 1061 1062 scancode = ddi_get8(kb8042->handle, 1063 kb8042->addr + I8042_INT_INPUT_DATA); 1064 1065 #if defined(KD_DEBUG) 1066 if (kb8042_low_level_debug) 1067 prom_printf(" <K:%x ", scancode); 1068 #endif 1069 1070 mutex_enter(&kb8042->w_hw_mutex); 1071 1072 if (kb8042_state_machine(kb8042, scancode, B_FALSE) != 1073 STATE_NORMAL) { 1074 mutex_exit(&kb8042->w_hw_mutex); 1075 continue; 1076 } 1077 1078 1079 mutex_exit(&kb8042->w_hw_mutex); 1080 1081 kb8042_received_byte(kb8042, scancode); 1082 } 1083 1084 return (rc); 1085 } 1086 1087 static void 1088 kb8042_iocdatamsg(queue_t *qp, mblk_t *mp) 1089 { 1090 struct copyresp *csp; 1091 1092 csp = (struct copyresp *)mp->b_rptr; 1093 if (csp->cp_rval) { 1094 freemsg(mp); 1095 return; 1096 } 1097 1098 switch (csp->cp_cmd) { 1099 default: 1100 miocack(qp, mp, 0, 0); 1101 break; 1102 } 1103 } 1104 1105 static boolean_t 1106 kb8042_polled_keycheck( 1107 struct kbtrans_hardware *hw, 1108 int *key, 1109 enum keystate *state) 1110 { 1111 struct kb8042 *kb8042 = (struct kb8042 *)hw; 1112 int scancode; 1113 boolean_t legit; 1114 boolean_t synthetic_release_needed; 1115 1116 if (kb8042->polled_synthetic_release_pending) { 1117 *key = kb8042->polled_synthetic_release_key; 1118 *state = KEY_RELEASED; 1119 kb8042->polled_synthetic_release_pending = B_FALSE; 1120 #if defined(KD_DEBUG) 1121 if (kb8042_getchar_debug) 1122 prom_printf("synthetic release 0x%x\n", *key); 1123 #endif 1124 (void) kb8042_autorepeat_detect(kb8042, *key, *state); 1125 return (B_TRUE); 1126 } 1127 1128 for (;;) { 1129 if (ddi_get8(kb8042->handle, 1130 kb8042->addr + I8042_POLL_INPUT_AVAIL) == 0) { 1131 return (B_FALSE); 1132 } 1133 1134 scancode = ddi_get8(kb8042->handle, 1135 kb8042->addr + I8042_POLL_INPUT_DATA); 1136 1137 #if defined(KD_DEBUG) 1138 if (kb8042_low_level_debug) 1139 prom_printf(" g<%x ", scancode); 1140 #endif 1141 1142 if (kb8042_state_machine(kb8042, scancode, B_FALSE) != 1143 STATE_NORMAL) { 1144 continue; 1145 } 1146 1147 #ifdef KD_DEBUG 1148 kb8042_debug_hotkey(scancode); 1149 if (kb8042_getchar_debug) 1150 prom_printf("polled 0x%x", scancode); 1151 #endif 1152 1153 legit = KeyboardConvertScan(kb8042, scancode, key, state, 1154 &synthetic_release_needed); 1155 if (!legit) { 1156 #ifdef KD_DEBUG 1157 if (kb8042_getchar_debug) 1158 prom_printf(" -> ignored\n"); 1159 #endif 1160 continue; 1161 } 1162 #ifdef KD_DEBUG 1163 if (kb8042_getchar_debug) { 1164 prom_printf(" -> %s %d\n", 1165 *state == KEY_PRESSED ? "pressed" : "released", 1166 *key); 1167 } 1168 #endif 1169 /* 1170 * For the moment at least, we rely on hardware autorepeat 1171 * for polled I/O autorepeat. However, for coordination 1172 * with the interrupt-driven code, maintain the last key 1173 * pressed. 1174 */ 1175 (void) kb8042_autorepeat_detect(kb8042, *key, *state); 1176 1177 /* 1178 * This is a total hack to support two additional keys 1179 * on Korean keyboards. They report only on press, and 1180 * so we synthesize a release. Most likely this will 1181 * never be important to polled I/O, but if I do it 1182 * "right" the first time it _won't_ be an issue. 1183 */ 1184 if (synthetic_release_needed) { 1185 kb8042->polled_synthetic_release_pending = B_TRUE; 1186 kb8042->polled_synthetic_release_key = *key; 1187 } 1188 1189 if (kb8042->simulated_kbd_type == KB_USB) { 1190 *key = keytab_pc2usb[*key]; 1191 } 1192 return (B_TRUE); 1193 } 1194 } 1195 1196 static void 1197 kb8042_setled(struct kb8042 *kb8042, int led_state, boolean_t polled) 1198 { 1199 kb8042->leds.desired = led_state; 1200 1201 if (!polled) 1202 mutex_enter(&kb8042->w_hw_mutex); 1203 1204 kb8042_start_state_machine(kb8042, polled); 1205 1206 if (!polled) 1207 mutex_exit(&kb8042->w_hw_mutex); 1208 } 1209 1210 static void 1211 kb8042_polled_setled(struct kbtrans_hardware *hw, int led_state) 1212 { 1213 struct kb8042 *kb8042 = (struct kb8042 *)hw; 1214 kb8042_setled(kb8042, led_state, B_TRUE); 1215 } 1216 1217 static void 1218 kb8042_streams_setled(struct kbtrans_hardware *hw, int led_state) 1219 { 1220 struct kb8042 *kb8042 = (struct kb8042 *)hw; 1221 kb8042_setled(kb8042, led_state, B_FALSE); 1222 } 1223 1224 static void 1225 kb8042_send_to_keyboard(struct kb8042 *kb8042, int byte, boolean_t polled) 1226 { 1227 if (polled) { 1228 ddi_put8(kb8042->handle, 1229 kb8042->addr + I8042_POLL_OUTPUT_DATA, byte); 1230 } else { 1231 ddi_put8(kb8042->handle, 1232 kb8042->addr + I8042_INT_OUTPUT_DATA, byte); 1233 } 1234 1235 #if defined(KD_DEBUG) 1236 if (kb8042_low_level_debug) 1237 prom_printf(" >K:%x ", byte); 1238 #endif 1239 } 1240 1241 /* 1242 * Wait until the keyboard is fully up, maybe. 1243 * We may be the first person to talk to the keyboard, in which case 1244 * it's patiently waiting to say "AA" to us to tell us it's up. 1245 * In theory it sends the AA in 300ms < n < 9s, but it's a pretty 1246 * good bet that we've already spent that long getting to that point, 1247 * so we'll only wait long enough for the communications electronics to 1248 * run. 1249 */ 1250 static void 1251 kb8042_wait_poweron(struct kb8042 *kb8042) 1252 { 1253 int cnt; 1254 int ready; 1255 unsigned char byt; 1256 1257 /* wait for up to 250 ms for a response */ 1258 for (cnt = 0; cnt < 250; cnt++) { 1259 ready = ddi_get8(kb8042->handle, 1260 kb8042->addr + I8042_INT_INPUT_AVAIL); 1261 if (ready != 0) 1262 break; 1263 drv_usecwait(1000); 1264 } 1265 1266 /* 1267 * If there's something pending, read and discard it. If not, 1268 * assume things are OK anyway - maybe somebody else ate it 1269 * already. (On a PC, the BIOS almost certainly did.) 1270 */ 1271 if (ready != 0) { 1272 byt = ddi_get8(kb8042->handle, 1273 kb8042->addr + I8042_INT_INPUT_DATA); 1274 #if defined(KD_DEBUG) 1275 if (kb8042_low_level_debug) 1276 prom_printf(" <K:%x ", byt); 1277 #endif 1278 } 1279 } 1280 1281 static void 1282 kb8042_start_state_machine(struct kb8042 *kb8042, boolean_t polled) 1283 { 1284 if (kb8042->command_state == KB_COMMAND_STATE_IDLE) { 1285 if (kb8042->leds.desired != kb8042->leds.commanded) { 1286 kb8042_send_to_keyboard(kb8042, KB_SET_LED, polled); 1287 kb8042->command_state = KB_COMMAND_STATE_LED; 1288 } 1289 } 1290 } 1291 1292 enum state_return 1293 kb8042_state_machine(struct kb8042 *kb8042, int scancode, boolean_t polled) 1294 { 1295 switch (kb8042->command_state) { 1296 case KB_COMMAND_STATE_IDLE: 1297 break; 1298 1299 case KB_COMMAND_STATE_LED: 1300 if (scancode == KB_ACK) { 1301 kb8042_send_to_keyboard(kb8042, 1302 kb8042_xlate_leds(kb8042->leds.desired), 1303 polled); 1304 kb8042->leds.commanded = kb8042->leds.desired; 1305 kb8042->command_state = KB_COMMAND_STATE_WAIT; 1306 return (STATE_INTERNAL); 1307 } 1308 /* Drop normal scan codes through. */ 1309 break; 1310 1311 case KB_COMMAND_STATE_WAIT: 1312 if (scancode == KB_ACK) { 1313 kb8042->command_state = KB_COMMAND_STATE_IDLE; 1314 kb8042_start_state_machine(kb8042, polled); 1315 return (STATE_INTERNAL); 1316 } 1317 /* Drop normal scan codes through. */ 1318 break; 1319 } 1320 return (STATE_NORMAL); 1321 } 1322 1323 static int 1324 kb8042_xlate_leds(int led) 1325 { 1326 int res; 1327 1328 res = 0; 1329 1330 if (led & LED_NUM_LOCK) 1331 res |= LED_NUM; 1332 if (led & LED_SCROLL_LOCK) 1333 res |= LED_SCR; 1334 if (led & LED_CAPS_LOCK) 1335 res |= LED_CAP; 1336 1337 return (res); 1338 } 1339 1340 /*ARGSUSED*/ 1341 static void 1342 kb8042_get_initial_leds( 1343 struct kb8042 *kb8042, 1344 int *initial_leds, 1345 int *initial_led_mask) 1346 { 1347 #if defined(i86pc) 1348 extern caddr_t p0_va; 1349 uint8_t bios_kb_flag; 1350 1351 bios_kb_flag = p0_va[BIOS_KB_FLAG]; 1352 1353 *initial_led_mask = LED_CAPS_LOCK | LED_NUM_LOCK | LED_SCROLL_LOCK; 1354 *initial_leds = 0; 1355 if (bios_kb_flag & BIOS_CAPS_STATE) 1356 *initial_leds |= LED_CAPS_LOCK; 1357 if (bios_kb_flag & BIOS_NUM_STATE) 1358 *initial_leds |= LED_NUM_LOCK; 1359 if (bios_kb_flag & BIOS_SCROLL_STATE) 1360 *initial_leds |= LED_SCROLL_LOCK; 1361 #else 1362 *initial_leds = 0; 1363 *initial_led_mask = 0; 1364 #endif 1365 } 1366 1367 #if defined(KD_DEBUG) 1368 static void 1369 kb8042_debug_hotkey(int scancode) 1370 { 1371 if (!kb8042_enable_debug_hotkey) 1372 return; 1373 1374 switch (scancode) { 1375 case 0x44: /* F10 in Scan Set 1 code. (Set 2 code is 0x09) */ 1376 if (!kb8042_debug) { 1377 prom_printf("\nKeyboard: normal debugging on\n"); 1378 kb8042_debug = B_TRUE; 1379 } 1380 break; 1381 case 0x43: /* F9 in Scan Set 1 code. (Set 2 code is 0x01) */ 1382 if (!kb8042_getchar_debug) { 1383 prom_printf("\nKeyboard: getchar debugging on\n"); 1384 kb8042_getchar_debug = B_TRUE; 1385 } 1386 break; 1387 case 0x42: /* F8 in Scan Set 1 code. (Set 2 code is 0x0a) */ 1388 if (!kb8042_low_level_debug) { 1389 prom_printf("\nKeyboard: low-level debugging on\n"); 1390 kb8042_low_level_debug = B_TRUE; 1391 } 1392 break; 1393 case 0x41: /* F7 in Scan Set 1 code. (Set 2 code is 0x83) */ 1394 if (!kb8042_pressrelease_debug) { 1395 prom_printf( 1396 "\nKeyboard: press/release debugging on\n"); 1397 kb8042_pressrelease_debug = B_TRUE; 1398 } 1399 break; 1400 case 0x3b: /* F1 in Scan Set 1 code. (Set 2 code is 0x05) */ 1401 if (kb8042_debug || 1402 kb8042_getchar_debug || 1403 kb8042_low_level_debug || 1404 kb8042_pressrelease_debug) { 1405 prom_printf("\nKeyboard: all debugging off\n"); 1406 kb8042_debug = B_FALSE; 1407 kb8042_getchar_debug = B_FALSE; 1408 kb8042_low_level_debug = B_FALSE; 1409 kb8042_pressrelease_debug = B_FALSE; 1410 } 1411 break; 1412 } 1413 } 1414 #endif 1415 1416 static boolean_t 1417 kb8042_autorepeat_detect( 1418 struct kb8042 *kb8042, 1419 int key_pos, 1420 enum keystate state) 1421 { 1422 if (state == KEY_RELEASED) { 1423 if (kb8042->kb_old_key_pos == key_pos) 1424 kb8042->kb_old_key_pos = 0; 1425 } else { 1426 if (kb8042->kb_old_key_pos == key_pos) { 1427 return (B_TRUE); 1428 } 1429 kb8042->kb_old_key_pos = key_pos; 1430 } 1431 return (B_FALSE); 1432 } 1433 1434 /* ARGSUSED */ 1435 static void 1436 kb8042_type4_cmd(struct kb8042 *kb8042, int cmd) 1437 { 1438 switch (cmd) { 1439 case KBD_CMD_BELL: 1440 beeper_on(BEEP_TYPE4); 1441 break; 1442 case KBD_CMD_NOBELL: 1443 beeper_off(); 1444 break; 1445 } 1446 } 1447 1448 1449 /* 1450 * This is a pass-thru routine to get a character at poll time. 1451 */ 1452 static int 1453 kb8042_polled_getchar(struct cons_polledio_arg *arg) 1454 { 1455 struct kb8042 *kb8042; 1456 1457 kb8042 = (struct kb8042 *)arg; 1458 1459 return (kbtrans_getchar(kb8042->hw_kbtrans)); 1460 } 1461 1462 /* 1463 * This is a pass-thru routine to get a character at poll time. 1464 */ 1465 static int 1466 kb8042_polled_ischar(struct cons_polledio_arg *arg) 1467 { 1468 struct kb8042 *kb8042; 1469 1470 kb8042 = (struct kb8042 *)arg; 1471 1472 return (kbtrans_ischar(kb8042->hw_kbtrans)); 1473 } 1474