1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * 23 * $FreeBSD$ 24 */ 25 26 /* 27 * Ported to 386bsd Oct 17, 1992 28 * Sandi Donno, Computer Science, University of Cape Town, South Africa 29 * Please send bug reports to sandi@cs.uct.ac.za 30 * 31 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 32 * although I was only partially successful in getting the alpha release 33 * of his "driver for the Logitech and ATI Inport Bus mice for use with 34 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 35 * found his code to be an invaluable reference when porting this driver 36 * to 386bsd. 37 * 38 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 39 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 40 * 41 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 42 * Andrew Herbert - 12 June 1993 43 * 44 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 45 * - 13 June 1993 46 * 47 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 48 * - 24 October 1993 49 * 50 * Hardware access routines and probe logic rewritten by 51 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 52 * - 3, 14, 22 October 1996. 53 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 54 * - 14, 30 November 1996. Uses `kbdio.c'. 55 * - 13 December 1996. Uses queuing version of `kbdio.c'. 56 * - January/February 1997. Tweaked probe logic for 57 * HiNote UltraII/Latitude/Armada laptops. 58 * - 30 July 1997. Added APM support. 59 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 60 * Improved sync check logic. 61 * Vendor specific support routines. 62 */ 63 64 #include "psm.h" 65 #ifdef __i386__ 66 #include "apm.h" 67 #endif 68 #include "opt_psm.h" 69 70 #if NPSM > 0 71 72 #include <sys/param.h> 73 #include <sys/systm.h> 74 #include <sys/kernel.h> 75 #include <sys/module.h> 76 #include <sys/bus.h> 77 #include <sys/conf.h> 78 #include <sys/poll.h> 79 #include <sys/syslog.h> 80 #include <sys/malloc.h> 81 #include <machine/bus.h> 82 #include <sys/rman.h> 83 #include <sys/select.h> 84 #include <sys/uio.h> 85 86 #ifdef __i386__ 87 #include <machine/apm_bios.h> 88 #endif 89 #include <machine/clock.h> 90 #include <machine/limits.h> 91 #include <machine/mouse.h> 92 #include <machine/resource.h> 93 94 #include <isa/isareg.h> 95 #include <isa/isavar.h> 96 #include <dev/kbd/atkbdcreg.h> 97 98 /* 99 * Driver specific options: the following options may be set by 100 * `options' statements in the kernel configuration file. 101 */ 102 103 /* debugging */ 104 #ifndef PSM_DEBUG 105 #define PSM_DEBUG 0 /* logging: 0: none, 1: brief, 2: verbose */ 106 #endif 107 108 /* features */ 109 110 /* #define PSM_HOOKAPM hook the APM resume event */ 111 /* #define PSM_RESETAFTERSUSPEND reset the device at the resume event */ 112 113 #if NAPM <= 0 114 #undef PSM_HOOKAPM 115 #endif /* NAPM */ 116 117 #ifndef PSM_HOOKAPM 118 #undef PSM_RESETAFTERSUSPEND 119 #endif /* PSM_HOOKAPM */ 120 121 /* end of driver specific options */ 122 123 /* input queue */ 124 #define PSM_BUFSIZE 960 125 #define PSM_SMALLBUFSIZE 240 126 127 /* operation levels */ 128 #define PSM_LEVEL_BASE 0 129 #define PSM_LEVEL_STANDARD 1 130 #define PSM_LEVEL_NATIVE 2 131 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 132 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 133 134 /* Logitech PS2++ protocol */ 135 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 136 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 137 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 138 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 139 140 /* some macros */ 141 #define PSM_UNIT(dev) (minor(dev) >> 1) 142 #define PSM_NBLOCKIO(dev) (minor(dev) & 1) 143 #define PSM_MKMINOR(unit,block) (((unit) << 1) | ((block) ? 0:1)) 144 145 #ifndef max 146 #define max(x,y) ((x) > (y) ? (x) : (y)) 147 #endif 148 #ifndef min 149 #define min(x,y) ((x) < (y) ? (x) : (y)) 150 #endif 151 152 #define abs(x) (((x) < 0) ? -(x) : (x)) 153 154 /* ring buffer */ 155 typedef struct ringbuf { 156 int count; /* # of valid elements in the buffer */ 157 int head; /* head pointer */ 158 int tail; /* tail poiner */ 159 unsigned char buf[PSM_BUFSIZE]; 160 } ringbuf_t; 161 162 /* driver control block */ 163 struct psm_softc { /* Driver status information */ 164 struct selinfo rsel; /* Process selecting for Input */ 165 unsigned char state; /* Mouse driver state */ 166 int config; /* driver configuration flags */ 167 int flags; /* other flags */ 168 KBDC kbdc; /* handle to access the keyboard controller */ 169 int addr; /* I/O port address */ 170 mousehw_t hw; /* hardware information */ 171 mousemode_t mode; /* operation mode */ 172 mousemode_t dflt_mode; /* default operation mode */ 173 mousestatus_t status; /* accumulated mouse movement */ 174 ringbuf_t queue; /* mouse status queue */ 175 unsigned char ipacket[16]; /* interim input buffer */ 176 int inputbytes; /* # of bytes in the input buffer */ 177 int button; /* the latest button state */ 178 int xold; /* previous absolute X position */ 179 int yold; /* previous absolute Y position */ 180 #ifdef PSM_HOOKAPM 181 struct apmhook resumehook; 182 #endif 183 }; 184 devclass_t psm_devclass; 185 #define PSM_SOFTC(unit) ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 186 187 /* driver state flags (state) */ 188 #define PSM_VALID 0x80 189 #define PSM_OPEN 1 /* Device is open */ 190 #define PSM_ASLP 2 /* Waiting for mouse data */ 191 192 /* driver configuration flags (config) */ 193 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 194 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 195 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 196 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 197 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 198 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 199 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 200 201 #define PSM_CONFIG_FLAGS (PSM_CONFIG_RESOLUTION \ 202 | PSM_CONFIG_ACCEL \ 203 | PSM_CONFIG_NOCHECKSYNC \ 204 | PSM_CONFIG_NOIDPROBE \ 205 | PSM_CONFIG_NORESET \ 206 | PSM_CONFIG_FORCETAP \ 207 | PSM_CONFIG_IGNPORTERROR) 208 209 /* other flags (flags) */ 210 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 211 212 /* for backward compatibility */ 213 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 214 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 215 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 216 217 typedef struct old_mousehw { 218 int buttons; 219 int iftype; 220 int type; 221 int hwid; 222 } old_mousehw_t; 223 224 typedef struct old_mousemode { 225 int protocol; 226 int rate; 227 int resolution; 228 int accelfactor; 229 } old_mousemode_t; 230 231 /* packet formatting function */ 232 typedef int packetfunc_t __P((struct psm_softc *, unsigned char *, 233 int *, int, mousestatus_t *)); 234 235 /* function prototypes */ 236 static int psmprobe __P((device_t)); 237 static int psmattach __P((device_t)); 238 #ifdef PSM_HOOKAPM 239 static int psmresume __P((void *)); 240 #endif 241 242 static d_open_t psmopen; 243 static d_close_t psmclose; 244 static d_read_t psmread; 245 static d_ioctl_t psmioctl; 246 static d_poll_t psmpoll; 247 248 static int enable_aux_dev __P((KBDC)); 249 static int disable_aux_dev __P((KBDC)); 250 static int get_mouse_status __P((KBDC, int *, int, int)); 251 static int get_aux_id __P((KBDC)); 252 static int set_mouse_sampling_rate __P((KBDC, int)); 253 static int set_mouse_scaling __P((KBDC, int)); 254 static int set_mouse_resolution __P((KBDC, int)); 255 #ifdef PSM_RESETAFTERSUSPEND 256 static int set_mouse_mode __P((KBDC)); 257 #endif /* PSM_RESETAFTERSUSPEND */ 258 static int get_mouse_buttons __P((KBDC)); 259 static int is_a_mouse __P((int)); 260 static void recover_from_error __P((KBDC)); 261 static int restore_controller __P((KBDC, int)); 262 #ifdef PSM_RESETAFTERSUSPEND 263 static int reinitialize __P((int, mousemode_t *)); 264 #endif 265 static int doopen __P((int, int)); 266 static char *model_name(int); 267 static void psmintr(void*); 268 269 /* vendor specific features */ 270 typedef int probefunc_t __P((struct psm_softc *)); 271 272 static int mouse_id_proc1 __P((KBDC, int, int, int *)); 273 static probefunc_t enable_groller; 274 static probefunc_t enable_gmouse; 275 static probefunc_t enable_aglide; 276 static probefunc_t enable_kmouse; 277 static probefunc_t enable_msintelli; 278 static probefunc_t enable_mmanplus; 279 static probefunc_t enable_versapad; 280 static int tame_mouse __P((struct psm_softc *, mousestatus_t *, unsigned char *)); 281 282 static struct { 283 int model; 284 unsigned char syncmask; 285 int packetsize; 286 probefunc_t *probefunc; 287 } vendortype[] = { 288 { MOUSE_MODEL_NET, /* Genius NetMouse */ 289 0xc8, MOUSE_INTELLI_PACKETSIZE, enable_gmouse, }, 290 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 291 0xc8, 6, enable_groller, }, 292 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 293 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide, }, 294 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 295 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus, }, 296 { MOUSE_MODEL_THINK, /* Kensignton ThinkingMouse */ 297 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse, }, 298 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 299 0xc8, MOUSE_INTELLI_PACKETSIZE, enable_msintelli, }, 300 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 301 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad, }, 302 { MOUSE_MODEL_GENERIC, 303 0xc0, MOUSE_PS2_PACKETSIZE, NULL, }, 304 }; 305 #define GENERIC_MOUSE_ENTRY 7 306 307 /* device driver declarateion */ 308 static device_method_t psm_methods[] = { 309 /* Device interface */ 310 DEVMETHOD(device_probe, psmprobe), 311 DEVMETHOD(device_attach, psmattach), 312 313 { 0, 0 } 314 }; 315 316 static driver_t psm_driver = { 317 "psm", 318 psm_methods, 319 sizeof(struct psm_softc), 320 }; 321 322 #define CDEV_MAJOR 21 323 324 static struct cdevsw psm_cdevsw = { 325 /* open */ psmopen, 326 /* close */ psmclose, 327 /* read */ psmread, 328 /* write */ nowrite, 329 /* ioctl */ psmioctl, 330 /* poll */ psmpoll, 331 /* mmap */ nommap, 332 /* strategy */ nostrategy, 333 /* name */ "psm", 334 /* maj */ CDEV_MAJOR, 335 /* dump */ nodump, 336 /* psize */ nopsize, 337 /* flags */ 0, 338 /* bmaj */ -1 339 }; 340 341 /* debug message level */ 342 static int verbose = PSM_DEBUG; 343 344 /* device I/O routines */ 345 static int 346 enable_aux_dev(KBDC kbdc) 347 { 348 int res; 349 350 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 351 if (verbose >= 2) 352 log(LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res); 353 354 return (res == PSM_ACK); 355 } 356 357 static int 358 disable_aux_dev(KBDC kbdc) 359 { 360 int res; 361 362 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 363 if (verbose >= 2) 364 log(LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res); 365 366 return (res == PSM_ACK); 367 } 368 369 static int 370 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 371 { 372 int cmd; 373 int res; 374 int i; 375 376 switch (flag) { 377 case 0: 378 default: 379 cmd = PSMC_SEND_DEV_STATUS; 380 break; 381 case 1: 382 cmd = PSMC_SEND_DEV_DATA; 383 break; 384 } 385 empty_aux_buffer(kbdc, 5); 386 res = send_aux_command(kbdc, cmd); 387 if (verbose >= 2) 388 log(LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 389 (flag == 1) ? "DATA" : "STATUS", res); 390 if (res != PSM_ACK) 391 return 0; 392 393 for (i = 0; i < len; ++i) { 394 status[i] = read_aux_data(kbdc); 395 if (status[i] < 0) 396 break; 397 } 398 399 if (verbose) { 400 log(LOG_DEBUG, "psm: %s %02x %02x %02x\n", 401 (flag == 1) ? "data" : "status", status[0], status[1], status[2]); 402 } 403 404 return i; 405 } 406 407 static int 408 get_aux_id(KBDC kbdc) 409 { 410 int res; 411 int id; 412 413 empty_aux_buffer(kbdc, 5); 414 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 415 if (verbose >= 2) 416 log(LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res); 417 if (res != PSM_ACK) 418 return (-1); 419 420 /* 10ms delay */ 421 DELAY(10000); 422 423 id = read_aux_data(kbdc); 424 if (verbose >= 2) 425 log(LOG_DEBUG, "psm: device ID: %04x\n", id); 426 427 return id; 428 } 429 430 static int 431 set_mouse_sampling_rate(KBDC kbdc, int rate) 432 { 433 int res; 434 435 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 436 if (verbose >= 2) 437 log(LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res); 438 439 return ((res == PSM_ACK) ? rate : -1); 440 } 441 442 static int 443 set_mouse_scaling(KBDC kbdc, int scale) 444 { 445 int res; 446 447 switch (scale) { 448 case 1: 449 default: 450 scale = PSMC_SET_SCALING11; 451 break; 452 case 2: 453 scale = PSMC_SET_SCALING21; 454 break; 455 } 456 res = send_aux_command(kbdc, scale); 457 if (verbose >= 2) 458 log(LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 459 (scale == PSMC_SET_SCALING21) ? "21" : "11", res); 460 461 return (res == PSM_ACK); 462 } 463 464 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 465 static int 466 set_mouse_resolution(KBDC kbdc, int val) 467 { 468 int res; 469 470 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 471 if (verbose >= 2) 472 log(LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res); 473 474 return ((res == PSM_ACK) ? val : -1); 475 } 476 477 #ifdef PSM_RESETAFTERSUSPEND 478 /* 479 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 480 * re-enabled by calling `enable_aux_dev()' 481 */ 482 static int 483 set_mouse_mode(KBDC kbdc) 484 { 485 int res; 486 487 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 488 if (verbose >= 2) 489 log(LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res); 490 491 return (res == PSM_ACK); 492 } 493 #endif /* PSM_RESETAFTERSUSPEND */ 494 495 496 static int 497 get_mouse_buttons(KBDC kbdc) 498 { 499 int c = 2; /* assume two buttons by default */ 500 int status[3]; 501 502 /* 503 * NOTE: a special sequence to obtain Logitech Mouse specific 504 * information: set resolution to 25 ppi, set scaling to 1:1, set 505 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 506 * mouse status bytes is the number of available buttons. 507 * Some manufactures also support this sequence. 508 */ 509 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 510 return c; 511 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) 512 && set_mouse_scaling(kbdc, 1) 513 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) { 514 if (status[1] != 0) 515 return status[1]; 516 } 517 return c; 518 } 519 520 /* misc subroutines */ 521 /* 522 * Someday, I will get the complete list of valid pointing devices and 523 * their IDs... XXX 524 */ 525 static int 526 is_a_mouse(int id) 527 { 528 #if 0 529 static int valid_ids[] = { 530 PSM_MOUSE_ID, /* mouse */ 531 PSM_BALLPOINT_ID, /* ballpoint device */ 532 PSM_INTELLI_ID, /* Intellimouse */ 533 -1 /* end of table */ 534 }; 535 int i; 536 537 for (i = 0; valid_ids[i] >= 0; ++i) 538 if (valid_ids[i] == id) 539 return TRUE; 540 return FALSE; 541 #else 542 return TRUE; 543 #endif 544 } 545 546 static char * 547 model_name(int model) 548 { 549 static struct { 550 int model_code; 551 char *model_name; 552 } models[] = { 553 { MOUSE_MODEL_NETSCROLL, "NetScroll Mouse" }, 554 { MOUSE_MODEL_NET, "NetMouse" }, 555 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 556 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 557 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 558 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 559 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 560 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 561 { MOUSE_MODEL_UNKNOWN, NULL }, 562 }; 563 int i; 564 565 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) { 566 if (models[i].model_code == model) 567 return models[i].model_name; 568 } 569 return "Unknown"; 570 } 571 572 static void 573 recover_from_error(KBDC kbdc) 574 { 575 /* discard anything left in the output buffer */ 576 empty_both_buffers(kbdc, 10); 577 578 #if 0 579 /* 580 * NOTE: KBDC_RESET_KBD may not restore the communication between the 581 * keyboard and the controller. 582 */ 583 reset_kbd(kbdc); 584 #else 585 /* 586 * NOTE: somehow diagnostic and keyboard port test commands bring the 587 * keyboard back. 588 */ 589 if (!test_controller(kbdc)) 590 log(LOG_ERR, "psm: keyboard controller failed.\n"); 591 /* if there isn't a keyboard in the system, the following error is OK */ 592 if (test_kbd_port(kbdc) != 0) { 593 if (verbose) 594 log(LOG_ERR, "psm: keyboard port failed.\n"); 595 } 596 #endif 597 } 598 599 static int 600 restore_controller(KBDC kbdc, int command_byte) 601 { 602 empty_both_buffers(kbdc, 10); 603 604 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 605 log(LOG_ERR, "psm: failed to restore the keyboard controller " 606 "command byte.\n"); 607 return FALSE; 608 } else { 609 return TRUE; 610 } 611 } 612 613 #ifdef PSM_RESETAFTERSUSPEND 614 /* 615 * Re-initialize the aux port and device. The aux port must be enabled 616 * and its interrupt must be disabled before calling this routine. 617 * The aux device will be disabled before returning. 618 * The keyboard controller must be locked via `kbdc_lock()' before 619 * calling this routine. 620 */ 621 static int 622 reinitialize(int unit, mousemode_t *mode) 623 { 624 struct psm_softc *sc = PSM_SOFTC(unit); 625 KBDC kbdc = sc->kbdc; 626 int stat[3]; 627 int i; 628 629 switch((i = test_aux_port(kbdc))) { 630 case 1: /* ignore this error */ 631 case PSM_ACK: 632 if (verbose) 633 log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n", 634 unit, i); 635 /* fall though */ 636 case 0: /* no error */ 637 break; 638 case -1: /* time out */ 639 default: /* error */ 640 recover_from_error(kbdc); 641 if (sc->config & PSM_CONFIG_IGNPORTERROR) 642 break; 643 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 644 unit, i); 645 return FALSE; 646 } 647 648 if (sc->config & PSM_CONFIG_NORESET) { 649 /* 650 * Don't try to reset the pointing device. It may possibly be 651 * left in the unknown state, though... 652 */ 653 } else { 654 /* 655 * NOTE: some controllers appears to hang the `keyboard' when 656 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 657 */ 658 if (!reset_aux_dev(kbdc)) { 659 recover_from_error(kbdc); 660 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", unit); 661 return FALSE; 662 } 663 } 664 665 /* 666 * both the aux port and the aux device is functioning, see 667 * if the device can be enabled. 668 */ 669 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 670 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", unit); 671 return FALSE; 672 } 673 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 674 675 if (sc->config & PSM_CONFIG_NOIDPROBE) { 676 i = GENERIC_MOUSE_ENTRY; 677 } else { 678 /* FIXME: hardware ID, mouse buttons? */ 679 680 /* other parameters */ 681 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 682 if ((*vendortype[i].probefunc)(sc)) { 683 if (verbose >= 2) 684 log(LOG_ERR, "psm%d: found %s\n", 685 unit, model_name(vendortype[i].model)); 686 break; 687 } 688 } 689 } 690 691 sc->hw.model = vendortype[i].model; 692 sc->mode.packetsize = vendortype[i].packetsize; 693 694 /* set mouse parameters */ 695 if (mode != (mousemode_t *)NULL) { 696 if (mode->rate > 0) 697 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 698 if (mode->resolution >= 0) 699 mode->resolution = set_mouse_resolution(kbdc, mode->resolution); 700 set_mouse_scaling(kbdc, 1); 701 set_mouse_mode(kbdc); 702 } 703 704 /* request a data packet and extract sync. bits */ 705 if (get_mouse_status(kbdc, stat, 1, 3) < 3) { 706 log(LOG_DEBUG, "psm%d: failed to get data (reinitialize).\n", unit); 707 sc->mode.syncmask[0] = 0; 708 } else { 709 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 710 /* the NetScroll Mouse will send three more bytes... Ignore them */ 711 empty_aux_buffer(kbdc, 5); 712 } 713 714 /* just check the status of the mouse */ 715 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 716 log(LOG_DEBUG, "psm%d: failed to get status (reinitialize).\n", unit); 717 718 return TRUE; 719 } 720 #endif /* PSM_RESETAFTERSUSPEND */ 721 722 static int 723 doopen(int unit, int command_byte) 724 { 725 struct psm_softc *sc = PSM_SOFTC(unit); 726 int stat[3]; 727 728 /* enable the mouse device */ 729 if (!enable_aux_dev(sc->kbdc)) { 730 /* MOUSE ERROR: failed to enable the mouse because: 731 * 1) the mouse is faulty, 732 * 2) the mouse has been removed(!?) 733 * In the latter case, the keyboard may have hung, and need 734 * recovery procedure... 735 */ 736 recover_from_error(sc->kbdc); 737 #if 0 738 /* FIXME: we could reset the mouse here and try to enable 739 * it again. But it will take long time and it's not a good 740 * idea to disable the keyboard that long... 741 */ 742 if (!reinitialize(unit, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 743 recover_from_error(sc->kbdc); 744 #else 745 { 746 #endif 747 restore_controller(sc->kbdc, command_byte); 748 /* mark this device is no longer available */ 749 sc->state &= ~PSM_VALID; 750 log(LOG_ERR, "psm%d: failed to enable the device (doopen).\n", 751 unit); 752 return (EIO); 753 } 754 } 755 756 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 757 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", unit); 758 759 /* enable the aux port and interrupt */ 760 if (!set_controller_command_byte(sc->kbdc, 761 kbdc_get_device_mask(sc->kbdc), 762 (command_byte & KBD_KBD_CONTROL_BITS) 763 | KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 764 /* CONTROLLER ERROR */ 765 disable_aux_dev(sc->kbdc); 766 restore_controller(sc->kbdc, command_byte); 767 log(LOG_ERR, "psm%d: failed to enable the aux interrupt (doopen).\n", 768 unit); 769 return (EIO); 770 } 771 772 return (0); 773 } 774 775 /* psm driver entry points */ 776 777 #define endprobe(v) { if (bootverbose) \ 778 --verbose; \ 779 kbdc_set_device_mask(sc->kbdc, mask); \ 780 kbdc_lock(sc->kbdc, FALSE); \ 781 free(sc, M_DEVBUF); \ 782 return (v); \ 783 } 784 785 static int 786 psmprobe(device_t dev) 787 { 788 int unit = device_get_unit(dev); 789 struct psm_softc *sc = device_get_softc(dev); 790 uintptr_t port; 791 uintptr_t flags; 792 int stat[3]; 793 int command_byte; 794 int mask; 795 int i; 796 797 #if 0 798 kbdc_debug(TRUE); 799 #endif 800 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_PORT, &port); 801 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 802 803 sc->addr = port; 804 sc->kbdc = kbdc_open(sc->addr); 805 sc->config = flags & PSM_CONFIG_FLAGS; 806 sc->flags = 0; 807 if (bootverbose) 808 ++verbose; 809 810 device_set_desc(dev, "PS/2 Mouse"); 811 812 if (!kbdc_lock(sc->kbdc, TRUE)) { 813 printf("psm%d: unable to lock the controller.\n", unit); 814 if (bootverbose) 815 --verbose; 816 return (ENXIO); 817 } 818 819 /* 820 * NOTE: two bits in the command byte controls the operation of the 821 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 822 * port interrupt (IRQ 12) enable bit (bit 2). 823 */ 824 825 /* discard anything left after the keyboard initialization */ 826 empty_both_buffers(sc->kbdc, 10); 827 828 /* save the current command byte; it will be used later */ 829 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 830 command_byte = get_controller_command_byte(sc->kbdc); 831 if (verbose) 832 printf("psm%d: current command byte:%04x\n", unit, command_byte); 833 if (command_byte == -1) { 834 /* CONTROLLER ERROR */ 835 printf("psm%d: unable to get the current command byte value.\n", 836 unit); 837 endprobe(ENXIO); 838 } 839 840 /* 841 * disable the keyboard port while probing the aux port, which must be 842 * enabled during this routine 843 */ 844 if (!set_controller_command_byte(sc->kbdc, 845 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 846 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 847 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 848 /* 849 * this is CONTROLLER ERROR; I don't know how to recover 850 * from this error... 851 */ 852 restore_controller(sc->kbdc, command_byte); 853 printf("psm%d: unable to set the command byte.\n", unit); 854 endprobe(ENXIO); 855 } 856 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 857 858 /* 859 * NOTE: `test_aux_port()' is designed to return with zero if the aux 860 * port exists and is functioning. However, some controllers appears 861 * to respond with zero even when the aux port doesn't exist. (It may 862 * be that this is only the case when the controller DOES have the aux 863 * port but the port is not wired on the motherboard.) The keyboard 864 * controllers without the port, such as the original AT, are 865 * supporsed to return with an error code or simply time out. In any 866 * case, we have to continue probing the port even when the controller 867 * passes this test. 868 * 869 * XXX: some controllers erroneously return the error code 1 when 870 * it has the perfectly functional aux port. We have to ignore this 871 * error code. Even if the controller HAS error with the aux port, 872 * it will be detected later... 873 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 874 */ 875 switch ((i = test_aux_port(sc->kbdc))) { 876 case 1: /* ignore this error */ 877 case PSM_ACK: 878 if (verbose) 879 printf("psm%d: strange result for test aux port (%d).\n", 880 unit, i); 881 /* fall though */ 882 case 0: /* no error */ 883 break; 884 case -1: /* time out */ 885 default: /* error */ 886 recover_from_error(sc->kbdc); 887 if (sc->config & PSM_CONFIG_IGNPORTERROR) 888 break; 889 restore_controller(sc->kbdc, command_byte); 890 if (verbose) 891 printf("psm%d: the aux port is not functioning (%d).\n", 892 unit, i); 893 endprobe(ENXIO); 894 } 895 896 if (sc->config & PSM_CONFIG_NORESET) { 897 /* 898 * Don't try to reset the pointing device. It may possibly be 899 * left in the unknown state, though... 900 */ 901 } else { 902 /* 903 * NOTE: some controllers appears to hang the `keyboard' when the aux 904 * port doesn't exist and `PSMC_RESET_DEV' is issued. 905 */ 906 if (!reset_aux_dev(sc->kbdc)) { 907 recover_from_error(sc->kbdc); 908 restore_controller(sc->kbdc, command_byte); 909 if (verbose) 910 printf("psm%d: failed to reset the aux device.\n", unit); 911 endprobe(ENXIO); 912 } 913 } 914 915 /* 916 * both the aux port and the aux device is functioning, see if the 917 * device can be enabled. NOTE: when enabled, the device will start 918 * sending data; we shall immediately disable the device once we know 919 * the device can be enabled. 920 */ 921 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 922 /* MOUSE ERROR */ 923 recover_from_error(sc->kbdc); 924 restore_controller(sc->kbdc, command_byte); 925 if (verbose) 926 printf("psm%d: failed to enable the aux device.\n", unit); 927 endprobe(ENXIO); 928 } 929 930 /* save the default values after reset */ 931 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 932 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 933 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 934 } else { 935 sc->dflt_mode.rate = sc->mode.rate = -1; 936 sc->dflt_mode.resolution = sc->mode.resolution = -1; 937 } 938 939 /* hardware information */ 940 sc->hw.iftype = MOUSE_IF_PS2; 941 942 /* verify the device is a mouse */ 943 sc->hw.hwid = get_aux_id(sc->kbdc); 944 if (!is_a_mouse(sc->hw.hwid)) { 945 restore_controller(sc->kbdc, command_byte); 946 if (verbose) 947 printf("psm%d: unknown device type (%d).\n", unit, sc->hw.hwid); 948 endprobe(ENXIO); 949 } 950 switch (sc->hw.hwid) { 951 case PSM_BALLPOINT_ID: 952 sc->hw.type = MOUSE_TRACKBALL; 953 break; 954 case PSM_MOUSE_ID: 955 case PSM_INTELLI_ID: 956 sc->hw.type = MOUSE_MOUSE; 957 break; 958 default: 959 sc->hw.type = MOUSE_UNKNOWN; 960 break; 961 } 962 963 if (sc->config & PSM_CONFIG_NOIDPROBE) { 964 sc->hw.buttons = 2; 965 i = GENERIC_MOUSE_ENTRY; 966 } else { 967 /* # of buttons */ 968 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 969 970 /* other parameters */ 971 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 972 if ((*vendortype[i].probefunc)(sc)) { 973 if (verbose >= 2) 974 printf("psm%d: found %s\n", 975 unit, model_name(vendortype[i].model)); 976 break; 977 } 978 } 979 } 980 981 sc->hw.model = vendortype[i].model; 982 983 sc->dflt_mode.level = PSM_LEVEL_BASE; 984 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 985 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 986 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 987 sc->dflt_mode.syncmask[0] = 0; 988 else 989 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 990 if (sc->config & PSM_CONFIG_FORCETAP) 991 sc->mode.syncmask[0] &= ~MOUSE_PS2_TAP; 992 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 993 sc->mode = sc->dflt_mode; 994 sc->mode.packetsize = vendortype[i].packetsize; 995 996 /* set mouse parameters */ 997 #if 0 998 /* 999 * A version of Logitech FirstMouse+ won't report wheel movement, 1000 * if SET_DEFAULTS is sent... Don't use this command. 1001 * This fix was found by Takashi Nishida. 1002 */ 1003 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1004 if (verbose >= 2) 1005 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1006 #endif 1007 if (sc->config & PSM_CONFIG_RESOLUTION) { 1008 sc->mode.resolution 1009 = set_mouse_resolution(sc->kbdc, 1010 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1011 } else if (sc->mode.resolution >= 0) { 1012 sc->mode.resolution 1013 = set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1014 } 1015 if (sc->mode.rate > 0) { 1016 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1017 } 1018 set_mouse_scaling(sc->kbdc, 1); 1019 1020 /* request a data packet and extract sync. bits */ 1021 if (get_mouse_status(sc->kbdc, stat, 1, 3) < 3) { 1022 printf("psm%d: failed to get data.\n", unit); 1023 sc->mode.syncmask[0] = 0; 1024 } else { 1025 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 1026 /* the NetScroll Mouse will send three more bytes... Ignore them */ 1027 empty_aux_buffer(sc->kbdc, 5); 1028 } 1029 1030 /* just check the status of the mouse */ 1031 /* 1032 * NOTE: XXX there are some arcane controller/mouse combinations out 1033 * there, which hung the controller unless there is data transmission 1034 * after ACK from the mouse. 1035 */ 1036 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) { 1037 printf("psm%d: failed to get status.\n", unit); 1038 } else { 1039 /* 1040 * When in its native mode, some mice operate with different 1041 * default parameters than in the PS/2 compatible mode. 1042 */ 1043 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1044 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1045 } 1046 1047 /* disable the aux port for now... */ 1048 if (!set_controller_command_byte(sc->kbdc, 1049 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1050 (command_byte & KBD_KBD_CONTROL_BITS) 1051 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1052 /* 1053 * this is CONTROLLER ERROR; I don't know the proper way to 1054 * recover from this error... 1055 */ 1056 restore_controller(sc->kbdc, command_byte); 1057 printf("psm%d: unable to set the command byte.\n", unit); 1058 endprobe(ENXIO); 1059 } 1060 1061 /* done */ 1062 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1063 kbdc_lock(sc->kbdc, FALSE); 1064 return (0); 1065 } 1066 1067 static int 1068 psmattach(device_t dev) 1069 { 1070 int unit = device_get_unit(dev); 1071 struct psm_softc *sc = device_get_softc(dev); 1072 void *ih; 1073 struct resource *res; 1074 uintptr_t irq; 1075 int zero = 0; 1076 1077 if (sc == NULL) /* shouldn't happen */ 1078 return (ENXIO); 1079 1080 /* Setup initial state */ 1081 sc->state = PSM_VALID; 1082 1083 /* Done */ 1084 make_dev(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, "psm%d", unit); 1085 make_dev(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, "bpsm%d", unit); 1086 1087 #ifdef PSM_HOOKAPM 1088 sc->resumehook.ah_name = "PS/2 mouse"; 1089 sc->resumehook.ah_fun = psmresume; 1090 sc->resumehook.ah_arg = (void *)unit; 1091 sc->resumehook.ah_order = APM_MID_ORDER; 1092 apm_hook_establish(APM_HOOK_RESUME , &sc->resumehook); 1093 if (verbose) 1094 printf("psm%d: APM hooks installed.\n", unit); 1095 #endif /* PSM_HOOKAPM */ 1096 1097 if (!verbose) { 1098 printf("psm%d: model %s, device ID %d\n", 1099 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1100 } else { 1101 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1102 unit, model_name(sc->hw.model), 1103 sc->hw.hwid & 0x00ff, sc->hw.hwid >> 8, sc->hw.buttons); 1104 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1105 unit, sc->config, sc->flags, sc->mode.packetsize); 1106 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1107 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1108 } 1109 1110 if (bootverbose) 1111 --verbose; 1112 1113 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1114 res = bus_alloc_resource(dev, SYS_RES_IRQ, &zero, irq, irq, 1, 1115 RF_SHAREABLE | RF_ACTIVE); 1116 BUS_SETUP_INTR(device_get_parent(dev), dev, res, INTR_TYPE_TTY, 1117 psmintr, sc, &ih); 1118 1119 return (0); 1120 } 1121 1122 static int 1123 psmopen(dev_t dev, int flag, int fmt, struct proc *p) 1124 { 1125 int unit = PSM_UNIT(dev); 1126 struct psm_softc *sc; 1127 int command_byte; 1128 int err; 1129 int s; 1130 1131 /* Validate unit number */ 1132 if (unit >= NPSM) 1133 return (ENXIO); 1134 1135 /* Get device data */ 1136 sc = PSM_SOFTC(unit); 1137 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) 1138 /* the device is no longer valid/functioning */ 1139 return (ENXIO); 1140 1141 /* Disallow multiple opens */ 1142 if (sc->state & PSM_OPEN) 1143 return (EBUSY); 1144 1145 device_busy(devclass_get_device(psm_devclass, unit)); 1146 1147 /* Initialize state */ 1148 sc->rsel.si_flags = 0; 1149 sc->rsel.si_pid = 0; 1150 sc->mode.level = sc->dflt_mode.level; 1151 sc->mode.protocol = sc->dflt_mode.protocol; 1152 1153 /* flush the event queue */ 1154 sc->queue.count = 0; 1155 sc->queue.head = 0; 1156 sc->queue.tail = 0; 1157 sc->status.flags = 0; 1158 sc->status.button = 0; 1159 sc->status.obutton = 0; 1160 sc->status.dx = 0; 1161 sc->status.dy = 0; 1162 sc->status.dz = 0; 1163 sc->button = 0; 1164 1165 /* empty input buffer */ 1166 bzero(sc->ipacket, sizeof(sc->ipacket)); 1167 sc->inputbytes = 0; 1168 1169 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1170 if (!kbdc_lock(sc->kbdc, TRUE)) 1171 return (EIO); 1172 1173 /* save the current controller command byte */ 1174 s = spltty(); 1175 command_byte = get_controller_command_byte(sc->kbdc); 1176 1177 /* enable the aux port and temporalily disable the keyboard */ 1178 if ((command_byte == -1) 1179 || !set_controller_command_byte(sc->kbdc, 1180 kbdc_get_device_mask(sc->kbdc), 1181 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1182 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1183 /* CONTROLLER ERROR; do you know how to get out of this? */ 1184 kbdc_lock(sc->kbdc, FALSE); 1185 splx(s); 1186 log(LOG_ERR, "psm%d: unable to set the command byte (psmopen).\n", 1187 unit); 1188 return (EIO); 1189 } 1190 /* 1191 * Now that the keyboard controller is told not to generate 1192 * the keyboard and mouse interrupts, call `splx()' to allow 1193 * the other tty interrupts. The clock interrupt may also occur, 1194 * but timeout routines will be blocked by the poll flag set 1195 * via `kbdc_lock()' 1196 */ 1197 splx(s); 1198 1199 /* enable the mouse device */ 1200 err = doopen(unit, command_byte); 1201 1202 /* done */ 1203 if (err == 0) 1204 sc->state |= PSM_OPEN; 1205 kbdc_lock(sc->kbdc, FALSE); 1206 return (err); 1207 } 1208 1209 static int 1210 psmclose(dev_t dev, int flag, int fmt, struct proc *p) 1211 { 1212 int unit = PSM_UNIT(dev); 1213 struct psm_softc *sc = PSM_SOFTC(unit); 1214 int stat[3]; 1215 int command_byte; 1216 int s; 1217 1218 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1219 if (!kbdc_lock(sc->kbdc, TRUE)) 1220 return (EIO); 1221 1222 /* save the current controller command byte */ 1223 s = spltty(); 1224 command_byte = get_controller_command_byte(sc->kbdc); 1225 if (command_byte == -1) { 1226 kbdc_lock(sc->kbdc, FALSE); 1227 splx(s); 1228 return (EIO); 1229 } 1230 1231 /* disable the aux interrupt and temporalily disable the keyboard */ 1232 if (!set_controller_command_byte(sc->kbdc, 1233 kbdc_get_device_mask(sc->kbdc), 1234 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1235 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1236 log(LOG_ERR, "psm%d: failed to disable the aux int (psmclose).\n", 1237 PSM_UNIT(dev)); 1238 /* CONTROLLER ERROR; 1239 * NOTE: we shall force our way through. Because the only 1240 * ill effect we shall see is that we may not be able 1241 * to read ACK from the mouse, and it doesn't matter much 1242 * so long as the mouse will accept the DISABLE command. 1243 */ 1244 } 1245 splx(s); 1246 1247 /* remove anything left in the output buffer */ 1248 empty_aux_buffer(sc->kbdc, 10); 1249 1250 /* disable the aux device, port and interrupt */ 1251 if (sc->state & PSM_VALID) { 1252 if (!disable_aux_dev(sc->kbdc)) { 1253 /* MOUSE ERROR; 1254 * NOTE: we don't return error and continue, pretending 1255 * we have successfully disabled the device. It's OK because 1256 * the interrupt routine will discard any data from the mouse 1257 * hereafter. 1258 */ 1259 log(LOG_ERR, "psm%d: failed to disable the device (psmclose).\n", 1260 PSM_UNIT(dev)); 1261 } 1262 1263 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1264 log(LOG_DEBUG, "psm%d: failed to get status (psmclose).\n", 1265 PSM_UNIT(dev)); 1266 } 1267 1268 if (!set_controller_command_byte(sc->kbdc, 1269 kbdc_get_device_mask(sc->kbdc), 1270 (command_byte & KBD_KBD_CONTROL_BITS) 1271 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1272 /* CONTROLLER ERROR; 1273 * we shall ignore this error; see the above comment. 1274 */ 1275 log(LOG_ERR, "psm%d: failed to disable the aux port (psmclose).\n", 1276 PSM_UNIT(dev)); 1277 } 1278 1279 /* remove anything left in the output buffer */ 1280 empty_aux_buffer(sc->kbdc, 10); 1281 1282 /* close is almost always successful */ 1283 sc->state &= ~PSM_OPEN; 1284 kbdc_lock(sc->kbdc, FALSE); 1285 device_unbusy(devclass_get_device(psm_devclass, unit)); 1286 return (0); 1287 } 1288 1289 static int 1290 tame_mouse(struct psm_softc *sc, mousestatus_t *status, unsigned char *buf) 1291 { 1292 static unsigned char butmapps2[8] = { 1293 0, 1294 MOUSE_PS2_BUTTON1DOWN, 1295 MOUSE_PS2_BUTTON2DOWN, 1296 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1297 MOUSE_PS2_BUTTON3DOWN, 1298 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1299 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1300 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1301 }; 1302 static unsigned char butmapmsc[8] = { 1303 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1304 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1305 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1306 MOUSE_MSC_BUTTON3UP, 1307 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1308 MOUSE_MSC_BUTTON2UP, 1309 MOUSE_MSC_BUTTON1UP, 1310 0, 1311 }; 1312 int mapped; 1313 int i; 1314 1315 if (sc->mode.level == PSM_LEVEL_BASE) { 1316 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1317 if (status->button & MOUSE_BUTTON4DOWN) 1318 mapped |= MOUSE_BUTTON1DOWN; 1319 status->button = mapped; 1320 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1321 i = max(min(status->dx, 255), -256); 1322 if (i < 0) 1323 buf[0] |= MOUSE_PS2_XNEG; 1324 buf[1] = i; 1325 i = max(min(status->dy, 255), -256); 1326 if (i < 0) 1327 buf[0] |= MOUSE_PS2_YNEG; 1328 buf[2] = i; 1329 return MOUSE_PS2_PACKETSIZE; 1330 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1331 buf[0] = MOUSE_MSC_SYNC | butmapmsc[status->button & MOUSE_STDBUTTONS]; 1332 i = max(min(status->dx, 255), -256); 1333 buf[1] = i >> 1; 1334 buf[3] = i - buf[1]; 1335 i = max(min(status->dy, 255), -256); 1336 buf[2] = i >> 1; 1337 buf[4] = i - buf[2]; 1338 i = max(min(status->dz, 127), -128); 1339 buf[5] = (i >> 1) & 0x7f; 1340 buf[6] = (i - (i >> 1)) & 0x7f; 1341 buf[7] = (~status->button >> 3) & 0x7f; 1342 return MOUSE_SYS_PACKETSIZE; 1343 } 1344 return sc->inputbytes;; 1345 } 1346 1347 static int 1348 psmread(dev_t dev, struct uio *uio, int flag) 1349 { 1350 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1351 unsigned char buf[PSM_SMALLBUFSIZE]; 1352 int error = 0; 1353 int s; 1354 int l; 1355 1356 if ((sc->state & PSM_VALID) == 0) 1357 return EIO; 1358 1359 /* block until mouse activity occured */ 1360 s = spltty(); 1361 while (sc->queue.count <= 0) { 1362 if (PSM_NBLOCKIO(dev)) { 1363 splx(s); 1364 return EWOULDBLOCK; 1365 } 1366 sc->state |= PSM_ASLP; 1367 error = tsleep((caddr_t) sc, PZERO | PCATCH, "psmrea", 0); 1368 sc->state &= ~PSM_ASLP; 1369 if (error) { 1370 splx(s); 1371 return error; 1372 } else if ((sc->state & PSM_VALID) == 0) { 1373 /* the device disappeared! */ 1374 splx(s); 1375 return EIO; 1376 } 1377 } 1378 splx(s); 1379 1380 /* copy data to the user land */ 1381 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1382 s = spltty(); 1383 l = min(sc->queue.count, uio->uio_resid); 1384 if (l > sizeof(buf)) 1385 l = sizeof(buf); 1386 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1387 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1388 sizeof(sc->queue.buf) - sc->queue.head); 1389 bcopy(&sc->queue.buf[0], 1390 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1391 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1392 } else { 1393 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1394 } 1395 sc->queue.count -= l; 1396 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1397 splx(s); 1398 error = uiomove(buf, l, uio); 1399 if (error) 1400 break; 1401 } 1402 1403 return error; 1404 } 1405 1406 static int 1407 block_mouse_data(struct psm_softc *sc, int *c) 1408 { 1409 int s; 1410 1411 if (!kbdc_lock(sc->kbdc, TRUE)) 1412 return EIO; 1413 1414 s = spltty(); 1415 *c = get_controller_command_byte(sc->kbdc); 1416 if ((*c == -1) 1417 || !set_controller_command_byte(sc->kbdc, 1418 kbdc_get_device_mask(sc->kbdc), 1419 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1420 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1421 /* this is CONTROLLER ERROR */ 1422 splx(s); 1423 kbdc_lock(sc->kbdc, FALSE); 1424 return EIO; 1425 } 1426 1427 /* 1428 * The device may be in the middle of status data transmission. 1429 * The transmission will be interrupted, thus, incomplete status 1430 * data must be discarded. Although the aux interrupt is disabled 1431 * at the keyboard controller level, at most one aux interrupt 1432 * may have already been pending and a data byte is in the 1433 * output buffer; throw it away. Note that the second argument 1434 * to `empty_aux_buffer()' is zero, so that the call will just 1435 * flush the internal queue. 1436 * `psmintr()' will be invoked after `splx()' if an interrupt is 1437 * pending; it will see no data and returns immediately. 1438 */ 1439 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1440 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1441 sc->inputbytes = 0; 1442 splx(s); 1443 1444 return 0; 1445 } 1446 1447 static int 1448 unblock_mouse_data(struct psm_softc *sc, int c) 1449 { 1450 int error = 0; 1451 1452 /* 1453 * We may have seen a part of status data during `set_mouse_XXX()'. 1454 * they have been queued; flush it. 1455 */ 1456 empty_aux_buffer(sc->kbdc, 0); 1457 1458 /* restore ports and interrupt */ 1459 if (!set_controller_command_byte(sc->kbdc, 1460 kbdc_get_device_mask(sc->kbdc), 1461 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1462 /* CONTROLLER ERROR; this is serious, we may have 1463 * been left with the inaccessible keyboard and 1464 * the disabled mouse interrupt. 1465 */ 1466 error = EIO; 1467 } 1468 1469 kbdc_lock(sc->kbdc, FALSE); 1470 return error; 1471 } 1472 1473 static int 1474 psmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 1475 { 1476 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1477 mousemode_t mode; 1478 mousestatus_t status; 1479 #if (defined(MOUSE_GETVARS)) 1480 mousevar_t *var; 1481 #endif 1482 mousedata_t *data; 1483 int stat[3]; 1484 int command_byte; 1485 int error = 0; 1486 int s; 1487 1488 /* Perform IOCTL command */ 1489 switch (cmd) { 1490 1491 case OLD_MOUSE_GETHWINFO: 1492 s = spltty(); 1493 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1494 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1495 ((old_mousehw_t *)addr)->type = sc->hw.type; 1496 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1497 splx(s); 1498 break; 1499 1500 case MOUSE_GETHWINFO: 1501 s = spltty(); 1502 *(mousehw_t *)addr = sc->hw; 1503 if (sc->mode.level == PSM_LEVEL_BASE) 1504 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1505 splx(s); 1506 break; 1507 1508 case OLD_MOUSE_GETMODE: 1509 s = spltty(); 1510 switch (sc->mode.level) { 1511 case PSM_LEVEL_BASE: 1512 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1513 break; 1514 case PSM_LEVEL_STANDARD: 1515 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1516 break; 1517 case PSM_LEVEL_NATIVE: 1518 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1519 break; 1520 } 1521 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1522 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1523 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1524 splx(s); 1525 break; 1526 1527 case MOUSE_GETMODE: 1528 s = spltty(); 1529 *(mousemode_t *)addr = sc->mode; 1530 ((mousemode_t *)addr)->resolution = 1531 MOUSE_RES_LOW - sc->mode.resolution; 1532 switch (sc->mode.level) { 1533 case PSM_LEVEL_BASE: 1534 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1535 ((mousemode_t *)addr)->packetsize = MOUSE_PS2_PACKETSIZE; 1536 break; 1537 case PSM_LEVEL_STANDARD: 1538 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1539 ((mousemode_t *)addr)->packetsize = MOUSE_SYS_PACKETSIZE; 1540 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1541 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1542 break; 1543 case PSM_LEVEL_NATIVE: 1544 /* FIXME: this isn't quite correct... XXX */ 1545 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1546 break; 1547 } 1548 splx(s); 1549 break; 1550 1551 case OLD_MOUSE_SETMODE: 1552 case MOUSE_SETMODE: 1553 if (cmd == OLD_MOUSE_SETMODE) { 1554 mode.rate = ((old_mousemode_t *)addr)->rate; 1555 /* 1556 * resolution old I/F new I/F 1557 * default 0 0 1558 * low 1 -2 1559 * medium low 2 -3 1560 * medium high 3 -4 1561 * high 4 -5 1562 */ 1563 if (((old_mousemode_t *)addr)->resolution > 0) 1564 mode.resolution = -((old_mousemode_t *)addr)->resolution - 1; 1565 mode.accelfactor = ((old_mousemode_t *)addr)->accelfactor; 1566 mode.level = -1; 1567 } else { 1568 mode = *(mousemode_t *)addr; 1569 } 1570 1571 /* adjust and validate parameters. */ 1572 if (mode.rate > UCHAR_MAX) 1573 return EINVAL; 1574 if (mode.rate == 0) 1575 mode.rate = sc->dflt_mode.rate; 1576 else if (mode.rate == -1) 1577 /* don't change the current setting */ 1578 ; 1579 else if (mode.rate < 0) 1580 return EINVAL; 1581 if (mode.resolution >= UCHAR_MAX) 1582 return EINVAL; 1583 if (mode.resolution >= 200) 1584 mode.resolution = MOUSE_RES_HIGH; 1585 else if (mode.resolution >= 100) 1586 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1587 else if (mode.resolution >= 50) 1588 mode.resolution = MOUSE_RES_MEDIUMLOW; 1589 else if (mode.resolution > 0) 1590 mode.resolution = MOUSE_RES_LOW; 1591 if (mode.resolution == MOUSE_RES_DEFAULT) 1592 mode.resolution = sc->dflt_mode.resolution; 1593 else if (mode.resolution == -1) 1594 /* don't change the current setting */ 1595 ; 1596 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1597 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1598 if (mode.level == -1) 1599 /* don't change the current setting */ 1600 mode.level = sc->mode.level; 1601 else if ((mode.level < PSM_LEVEL_MIN) || (mode.level > PSM_LEVEL_MAX)) 1602 return EINVAL; 1603 if (mode.accelfactor == -1) 1604 /* don't change the current setting */ 1605 mode.accelfactor = sc->mode.accelfactor; 1606 else if (mode.accelfactor < 0) 1607 return EINVAL; 1608 1609 /* don't allow anybody to poll the keyboard controller */ 1610 error = block_mouse_data(sc, &command_byte); 1611 if (error) 1612 return error; 1613 1614 /* set mouse parameters */ 1615 if (mode.rate > 0) 1616 mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1617 if (mode.resolution >= 0) 1618 mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1619 set_mouse_scaling(sc->kbdc, 1); 1620 get_mouse_status(sc->kbdc, stat, 0, 3); 1621 1622 s = spltty(); 1623 sc->mode.rate = mode.rate; 1624 sc->mode.resolution = mode.resolution; 1625 sc->mode.accelfactor = mode.accelfactor; 1626 sc->mode.level = mode.level; 1627 splx(s); 1628 1629 unblock_mouse_data(sc, command_byte); 1630 break; 1631 1632 case MOUSE_GETLEVEL: 1633 *(int *)addr = sc->mode.level; 1634 break; 1635 1636 case MOUSE_SETLEVEL: 1637 if ((*(int *)addr < PSM_LEVEL_MIN) || (*(int *)addr > PSM_LEVEL_MAX)) 1638 return EINVAL; 1639 sc->mode.level = *(int *)addr; 1640 break; 1641 1642 case MOUSE_GETSTATUS: 1643 s = spltty(); 1644 status = sc->status; 1645 sc->status.flags = 0; 1646 sc->status.obutton = sc->status.button; 1647 sc->status.button = 0; 1648 sc->status.dx = 0; 1649 sc->status.dy = 0; 1650 sc->status.dz = 0; 1651 splx(s); 1652 *(mousestatus_t *)addr = status; 1653 break; 1654 1655 #if (defined(MOUSE_GETVARS)) 1656 case MOUSE_GETVARS: 1657 var = (mousevar_t *)addr; 1658 bzero(var, sizeof(*var)); 1659 s = spltty(); 1660 var->var[0] = MOUSE_VARS_PS2_SIG; 1661 var->var[1] = sc->config; 1662 var->var[2] = sc->flags; 1663 splx(s); 1664 break; 1665 1666 case MOUSE_SETVARS: 1667 return ENODEV; 1668 #endif /* MOUSE_GETVARS */ 1669 1670 case MOUSE_READSTATE: 1671 case MOUSE_READDATA: 1672 data = (mousedata_t *)addr; 1673 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 1674 return EINVAL; 1675 1676 error = block_mouse_data(sc, &command_byte); 1677 if (error) 1678 return error; 1679 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 1680 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 1681 error = EIO; 1682 unblock_mouse_data(sc, command_byte); 1683 break; 1684 1685 #if (defined(MOUSE_SETRESOLUTION)) 1686 case MOUSE_SETRESOLUTION: 1687 mode.resolution = *(int *)addr; 1688 if (mode.resolution >= UCHAR_MAX) 1689 return EINVAL; 1690 else if (mode.resolution >= 200) 1691 mode.resolution = MOUSE_RES_HIGH; 1692 else if (mode.resolution >= 100) 1693 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1694 else if (mode.resolution >= 50) 1695 mode.resolution = MOUSE_RES_MEDIUMLOW; 1696 else if (mode.resolution > 0) 1697 mode.resolution = MOUSE_RES_LOW; 1698 if (mode.resolution == MOUSE_RES_DEFAULT) 1699 mode.resolution = sc->dflt_mode.resolution; 1700 else if (mode.resolution == -1) 1701 mode.resolution = sc->mode.resolution; 1702 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1703 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1704 1705 error = block_mouse_data(sc, &command_byte); 1706 if (error) 1707 return error; 1708 sc->mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1709 if (sc->mode.resolution != mode.resolution) 1710 error = EIO; 1711 unblock_mouse_data(sc, command_byte); 1712 break; 1713 #endif /* MOUSE_SETRESOLUTION */ 1714 1715 #if (defined(MOUSE_SETRATE)) 1716 case MOUSE_SETRATE: 1717 mode.rate = *(int *)addr; 1718 if (mode.rate > UCHAR_MAX) 1719 return EINVAL; 1720 if (mode.rate == 0) 1721 mode.rate = sc->dflt_mode.rate; 1722 else if (mode.rate < 0) 1723 mode.rate = sc->mode.rate; 1724 1725 error = block_mouse_data(sc, &command_byte); 1726 if (error) 1727 return error; 1728 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1729 if (sc->mode.rate != mode.rate) 1730 error = EIO; 1731 unblock_mouse_data(sc, command_byte); 1732 break; 1733 #endif /* MOUSE_SETRATE */ 1734 1735 #if (defined(MOUSE_SETSCALING)) 1736 case MOUSE_SETSCALING: 1737 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 1738 return EINVAL; 1739 1740 error = block_mouse_data(sc, &command_byte); 1741 if (error) 1742 return error; 1743 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 1744 error = EIO; 1745 unblock_mouse_data(sc, command_byte); 1746 break; 1747 #endif /* MOUSE_SETSCALING */ 1748 1749 #if (defined(MOUSE_GETHWID)) 1750 case MOUSE_GETHWID: 1751 error = block_mouse_data(sc, &command_byte); 1752 if (error) 1753 return error; 1754 sc->hw.hwid &= ~0x00ff; 1755 sc->hw.hwid |= get_aux_id(sc->kbdc); 1756 *(int *)addr = sc->hw.hwid & 0x00ff; 1757 unblock_mouse_data(sc, command_byte); 1758 break; 1759 #endif /* MOUSE_GETHWID */ 1760 1761 default: 1762 return ENOTTY; 1763 } 1764 1765 return error; 1766 } 1767 1768 static void 1769 psmintr(void *arg) 1770 { 1771 /* 1772 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 1773 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 1774 */ 1775 static int butmap[8] = { 1776 0, 1777 MOUSE_BUTTON1DOWN, 1778 MOUSE_BUTTON3DOWN, 1779 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 1780 MOUSE_BUTTON2DOWN, 1781 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 1782 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 1783 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 1784 }; 1785 static int butmap_versapad[8] = { 1786 0, 1787 MOUSE_BUTTON3DOWN, 1788 0, 1789 MOUSE_BUTTON3DOWN, 1790 MOUSE_BUTTON1DOWN, 1791 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 1792 MOUSE_BUTTON1DOWN, 1793 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 1794 }; 1795 register struct psm_softc *sc = arg; 1796 mousestatus_t ms; 1797 int x, y, z; 1798 int c; 1799 int l; 1800 int x0, y0; 1801 1802 /* read until there is nothing to read */ 1803 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 1804 1805 /* discard the byte if the device is not open */ 1806 if ((sc->state & PSM_OPEN) == 0) 1807 continue; 1808 1809 /* 1810 * Check sync bits. We check for overflow bits and the bit 3 1811 * for most mice. True, the code doesn't work if overflow 1812 * condition occurs. But we expect it rarely happens... 1813 */ 1814 if ((sc->inputbytes == 0) 1815 && ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1])) { 1816 log(LOG_DEBUG, "psmintr: out of sync (%04x != %04x).\n", 1817 c & sc->mode.syncmask[0], sc->mode.syncmask[1]); 1818 continue; 1819 } 1820 1821 sc->ipacket[sc->inputbytes++] = c; 1822 if (sc->inputbytes < sc->mode.packetsize) 1823 continue; 1824 1825 #if 0 1826 log(LOG_DEBUG, "psmintr: %02x %02x %02x %02x %02x %02x\n", 1827 sc->ipacket[0], sc->ipacket[1], sc->ipacket[2], 1828 sc->ipacket[3], sc->ipacket[4], sc->ipacket[5]); 1829 #endif 1830 1831 c = sc->ipacket[0]; 1832 1833 /* 1834 * A kludge for Kensington device! 1835 * The MSB of the horizontal count appears to be stored in 1836 * a strange place. This kludge doesn't affect other mice 1837 * because the bit is the overflow bit which is, in most cases, 1838 * expected to be zero when we reach here. XXX 1839 */ 1840 if (sc->hw.model != MOUSE_MODEL_VERSAPAD) 1841 sc->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 1842 1843 /* ignore the overflow bits... */ 1844 x = (c & MOUSE_PS2_XNEG) ? sc->ipacket[1] - 256 : sc->ipacket[1]; 1845 y = (c & MOUSE_PS2_YNEG) ? sc->ipacket[2] - 256 : sc->ipacket[2]; 1846 z = 0; 1847 ms.obutton = sc->button; /* previous button state */ 1848 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 1849 /* `tapping' action */ 1850 if (sc->config & PSM_CONFIG_FORCETAP) 1851 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 1852 1853 switch (sc->hw.model) { 1854 1855 case MOUSE_MODEL_INTELLI: 1856 case MOUSE_MODEL_NET: 1857 /* wheel data is in the fourth byte */ 1858 z = (char)sc->ipacket[3]; 1859 break; 1860 1861 case MOUSE_MODEL_MOUSEMANPLUS: 1862 /* 1863 * PS2++ protocl packet 1864 * 1865 * b7 b6 b5 b4 b3 b2 b1 b0 1866 * byte 1: * 1 p3 p2 1 * * * 1867 * byte 2: c1 c2 p1 p0 d1 d0 1 0 1868 * 1869 * p3-p0: packet type 1870 * c1, c2: c1 & c2 == 1, if p2 == 0 1871 * c1 & c2 == 0, if p2 == 1 1872 * 1873 * packet type: 0 (device type) 1874 * See comments in enable_mmanplus() below. 1875 * 1876 * packet type: 1 (wheel data) 1877 * 1878 * b7 b6 b5 b4 b3 b2 b1 b0 1879 * byte 3: h * B5 B4 s d2 d1 d0 1880 * 1881 * h: 1, if horizontal roller data 1882 * 0, if vertical roller data 1883 * B4, B5: button 4 and 5 1884 * s: sign bit 1885 * d2-d0: roller data 1886 * 1887 * packet type: 2 (reserved) 1888 */ 1889 if (((c & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) 1890 && (abs(x) > 191) 1891 && MOUSE_PS2PLUS_CHECKBITS(sc->ipacket)) { 1892 /* the extended data packet encodes button and wheel events */ 1893 switch (MOUSE_PS2PLUS_PACKET_TYPE(sc->ipacket)) { 1894 case 1: 1895 /* wheel data packet */ 1896 x = y = 0; 1897 if (sc->ipacket[2] & 0x80) { 1898 /* horizontal roller count - ignore it XXX*/ 1899 } else { 1900 /* vertical roller count */ 1901 z = (sc->ipacket[2] & MOUSE_PS2PLUS_ZNEG) 1902 ? (sc->ipacket[2] & 0x0f) - 16 1903 : (sc->ipacket[2] & 0x0f); 1904 } 1905 ms.button |= (sc->ipacket[2] & MOUSE_PS2PLUS_BUTTON4DOWN) 1906 ? MOUSE_BUTTON4DOWN : 0; 1907 ms.button |= (sc->ipacket[2] & MOUSE_PS2PLUS_BUTTON5DOWN) 1908 ? MOUSE_BUTTON5DOWN : 0; 1909 break; 1910 case 2: 1911 /* this packet type is reserved, and currently ignored */ 1912 /* FALL THROUGH */ 1913 case 0: 1914 /* device type packet - shouldn't happen */ 1915 /* FALL THROUGH */ 1916 default: 1917 x = y = 0; 1918 ms.button = ms.obutton; 1919 log(LOG_DEBUG, "psmintr: unknown PS2++ packet type %d: " 1920 "0x%02x 0x%02x 0x%02x\n", 1921 MOUSE_PS2PLUS_PACKET_TYPE(sc->ipacket), 1922 sc->ipacket[0], sc->ipacket[1], sc->ipacket[2]); 1923 break; 1924 } 1925 } else { 1926 /* preserve button states */ 1927 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 1928 } 1929 break; 1930 1931 case MOUSE_MODEL_GLIDEPOINT: 1932 /* `tapping' action */ 1933 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 1934 break; 1935 1936 case MOUSE_MODEL_NETSCROLL: 1937 /* three addtional bytes encode button and wheel events */ 1938 ms.button |= (sc->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) 1939 ? MOUSE_BUTTON4DOWN : 0; 1940 z = (sc->ipacket[3] & MOUSE_PS2_XNEG) 1941 ? sc->ipacket[4] - 256 : sc->ipacket[4]; 1942 break; 1943 1944 case MOUSE_MODEL_THINK: 1945 /* the fourth button state in the first byte */ 1946 ms.button |= (c & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0; 1947 break; 1948 1949 case MOUSE_MODEL_VERSAPAD: 1950 /* VersaPad PS/2 absolute mode message format 1951 * 1952 * [packet1] 7 6 5 4 3 2 1 0(LSB) 1953 * ipacket[0]: 1 1 0 A 1 L T R 1954 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 1955 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 1956 * ipacket[3]: 1 1 1 A 1 L T R 1957 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 1958 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 1959 * 1960 * [note] 1961 * R: right physical mouse button (1=on) 1962 * T: touch pad virtual button (1=tapping) 1963 * L: left physical mouse button (1=on) 1964 * A: position data is valid (1=valid) 1965 * H: horizontal data (12bit signed integer. H11 is sign bit.) 1966 * V: vertical data (12bit signed integer. V11 is sign bit.) 1967 * P: pressure data 1968 * 1969 * Tapping is mapped to MOUSE_BUTTON4. 1970 */ 1971 ms.button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 1972 ms.button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 1973 x = y = 0; 1974 if (c & MOUSE_PS2VERSA_IN_USE) { 1975 x0 = sc->ipacket[1] | (((sc->ipacket[4]) & 0x0f) << 8); 1976 y0 = sc->ipacket[2] | (((sc->ipacket[4]) & 0xf0) << 4); 1977 if (x0 & 0x800) 1978 x0 -= 0x1000; 1979 if (y0 & 0x800) 1980 y0 -= 0x1000; 1981 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 1982 x = sc->xold - x0; 1983 y = y0 - sc->yold; 1984 if (x < 0) /* XXX */ 1985 x++; 1986 else if (x) 1987 x--; 1988 if (y < 0) 1989 y++; 1990 else if (y) 1991 y--; 1992 } else { 1993 sc->flags |= PSM_FLAGS_FINGERDOWN; 1994 } 1995 sc->xold = x0; 1996 sc->yold = y0; 1997 } else { 1998 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 1999 } 2000 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) 2001 | ((y < 0) ? MOUSE_PS2_YNEG : 0); 2002 break; 2003 2004 case MOUSE_MODEL_GENERIC: 2005 default: 2006 break; 2007 } 2008 2009 /* scale values */ 2010 if (sc->mode.accelfactor >= 1) { 2011 if (x != 0) { 2012 x = x * x / sc->mode.accelfactor; 2013 if (x == 0) 2014 x = 1; 2015 if (c & MOUSE_PS2_XNEG) 2016 x = -x; 2017 } 2018 if (y != 0) { 2019 y = y * y / sc->mode.accelfactor; 2020 if (y == 0) 2021 y = 1; 2022 if (c & MOUSE_PS2_YNEG) 2023 y = -y; 2024 } 2025 } 2026 2027 ms.dx = x; 2028 ms.dy = y; 2029 ms.dz = z; 2030 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) 2031 | (ms.obutton ^ ms.button); 2032 2033 if (sc->mode.level < PSM_LEVEL_NATIVE) 2034 sc->inputbytes = tame_mouse(sc, &ms, sc->ipacket); 2035 2036 sc->status.flags |= ms.flags; 2037 sc->status.dx += ms.dx; 2038 sc->status.dy += ms.dy; 2039 sc->status.dz += ms.dz; 2040 sc->status.button = ms.button; 2041 sc->button = ms.button; 2042 2043 /* queue data */ 2044 if (sc->queue.count + sc->inputbytes < sizeof(sc->queue.buf)) { 2045 l = min(sc->inputbytes, sizeof(sc->queue.buf) - sc->queue.tail); 2046 bcopy(&sc->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 2047 if (sc->inputbytes > l) 2048 bcopy(&sc->ipacket[l], &sc->queue.buf[0], sc->inputbytes - l); 2049 sc->queue.tail = 2050 (sc->queue.tail + sc->inputbytes) % sizeof(sc->queue.buf); 2051 sc->queue.count += sc->inputbytes; 2052 } 2053 sc->inputbytes = 0; 2054 2055 if (sc->state & PSM_ASLP) { 2056 sc->state &= ~PSM_ASLP; 2057 wakeup((caddr_t) sc); 2058 } 2059 selwakeup(&sc->rsel); 2060 } 2061 } 2062 2063 static int 2064 psmpoll(dev_t dev, int events, struct proc *p) 2065 { 2066 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 2067 int s; 2068 int revents = 0; 2069 2070 /* Return true if a mouse event available */ 2071 s = spltty(); 2072 if (events & (POLLIN | POLLRDNORM)) { 2073 if (sc->queue.count > 0) 2074 revents |= events & (POLLIN | POLLRDNORM); 2075 else 2076 selrecord(p, &sc->rsel); 2077 } 2078 splx(s); 2079 2080 return (revents); 2081 } 2082 2083 /* vendor/model specific routines */ 2084 2085 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 2086 { 2087 if (set_mouse_resolution(kbdc, res) != res) 2088 return FALSE; 2089 if (set_mouse_scaling(kbdc, scale) 2090 && set_mouse_scaling(kbdc, scale) 2091 && set_mouse_scaling(kbdc, scale) 2092 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) 2093 return TRUE; 2094 return FALSE; 2095 } 2096 2097 #if notyet 2098 /* Logitech MouseMan Cordless II */ 2099 static int 2100 enable_lcordless(struct psm_softc *sc) 2101 { 2102 int status[3]; 2103 int ch; 2104 2105 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 2106 return FALSE; 2107 if (status[1] == PSMD_RES_HIGH) 2108 return FALSE; 2109 ch = (status[0] & 0x07) - 1; /* channel # */ 2110 if ((ch <= 0) || (ch > 4)) 2111 return FALSE; 2112 /* 2113 * status[1]: always one? 2114 * status[2]: battery status? (0-100) 2115 */ 2116 return TRUE; 2117 } 2118 #endif /* notyet */ 2119 2120 /* Genius NetScroll Mouse */ 2121 static int 2122 enable_groller(struct psm_softc *sc) 2123 { 2124 int status[3]; 2125 2126 /* 2127 * The special sequence to enable the fourth button and the 2128 * roller. Immediately after this sequence check status bytes. 2129 * if the mouse is NetScroll, the second and the third bytes are 2130 * '3' and 'D'. 2131 */ 2132 2133 /* 2134 * If the mouse is an ordinary PS/2 mouse, the status bytes should 2135 * look like the following. 2136 * 2137 * byte 1 bit 7 always 0 2138 * bit 6 stream mode (0) 2139 * bit 5 disabled (0) 2140 * bit 4 1:1 scaling (0) 2141 * bit 3 always 0 2142 * bit 0-2 button status 2143 * byte 2 resolution (PSMD_RES_HIGH) 2144 * byte 3 report rate (?) 2145 */ 2146 2147 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2148 return FALSE; 2149 if ((status[1] != '3') || (status[2] != 'D')) 2150 return FALSE; 2151 /* FIXME!! */ 2152 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 2153 sc->hw.buttons = 4; 2154 return TRUE; 2155 } 2156 2157 /* Genius NetMouse/NetMouse Pro */ 2158 static int 2159 enable_gmouse(struct psm_softc *sc) 2160 { 2161 int status[3]; 2162 2163 /* 2164 * The special sequence to enable the middle, "rubber" button. 2165 * Immediately after this sequence check status bytes. 2166 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 2167 * the second and the third bytes are '3' and 'U'. 2168 * NOTE: NetMouse reports that it has three buttons although it has 2169 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 2170 * say they have three buttons too and they do have a button on the 2171 * side... 2172 */ 2173 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2174 return FALSE; 2175 if ((status[1] != '3') || (status[2] != 'U')) 2176 return FALSE; 2177 return TRUE; 2178 } 2179 2180 /* ALPS GlidePoint */ 2181 static int 2182 enable_aglide(struct psm_softc *sc) 2183 { 2184 int status[3]; 2185 2186 /* 2187 * The special sequence to obtain ALPS GlidePoint specific 2188 * information. Immediately after this sequence, status bytes will 2189 * contain something interesting. 2190 * NOTE: ALPS produces several models of GlidePoint. Some of those 2191 * do not respond to this sequence, thus, cannot be detected this way. 2192 */ 2193 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 2194 return FALSE; 2195 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 2196 return FALSE; 2197 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 2198 return FALSE; 2199 return TRUE; 2200 } 2201 2202 /* Kensington ThinkingMouse/Trackball */ 2203 static int 2204 enable_kmouse(struct psm_softc *sc) 2205 { 2206 static unsigned char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 2207 KBDC kbdc = sc->kbdc; 2208 int status[3]; 2209 int id1; 2210 int id2; 2211 int i; 2212 2213 id1 = get_aux_id(kbdc); 2214 if (set_mouse_sampling_rate(kbdc, 10) != 10) 2215 return FALSE; 2216 /* 2217 * The device is now in the native mode? It returns a different 2218 * ID value... 2219 */ 2220 id2 = get_aux_id(kbdc); 2221 if ((id1 == id2) || (id2 != 2)) 2222 return FALSE; 2223 2224 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 2225 return FALSE; 2226 #if PSM_DEBUG >= 2 2227 /* at this point, resolution is LOW, sampling rate is 10/sec */ 2228 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2229 return FALSE; 2230 #endif 2231 2232 /* 2233 * The special sequence to enable the third and fourth buttons. 2234 * Otherwise they behave like the first and second buttons. 2235 */ 2236 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2237 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2238 return FALSE; 2239 } 2240 2241 /* 2242 * At this point, the device is using default resolution and 2243 * sampling rate for the native mode. 2244 */ 2245 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2246 return FALSE; 2247 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 2248 return FALSE; 2249 2250 /* the device appears be enabled by this sequence, diable it for now */ 2251 disable_aux_dev(kbdc); 2252 empty_aux_buffer(kbdc, 5); 2253 2254 return TRUE; 2255 } 2256 2257 /* Logitech MouseMan+/FirstMouse+ */ 2258 static int 2259 enable_mmanplus(struct psm_softc *sc) 2260 { 2261 static char res[] = { 2262 -1, PSMD_RES_LOW, PSMD_RES_HIGH, PSMD_RES_MEDIUM_HIGH, 2263 PSMD_RES_MEDIUM_LOW, -1, PSMD_RES_HIGH, PSMD_RES_MEDIUM_LOW, 2264 PSMD_RES_MEDIUM_HIGH, PSMD_RES_HIGH, 2265 }; 2266 KBDC kbdc = sc->kbdc; 2267 int data[3]; 2268 int i; 2269 2270 /* the special sequence to enable the fourth button and the roller. */ 2271 for (i = 0; i < sizeof(res)/sizeof(res[0]); ++i) { 2272 if (res[i] < 0) { 2273 if (!set_mouse_scaling(kbdc, 1)) 2274 return FALSE; 2275 } else { 2276 if (set_mouse_resolution(kbdc, res[i]) != res[i]) 2277 return FALSE; 2278 } 2279 } 2280 2281 if (get_mouse_status(kbdc, data, 1, 3) < 3) 2282 return FALSE; 2283 2284 /* 2285 * PS2++ protocl, packet type 0 2286 * 2287 * b7 b6 b5 b4 b3 b2 b1 b0 2288 * byte 1: * 1 p3 p2 1 * * * 2289 * byte 2: 1 1 p1 p0 m1 m0 1 0 2290 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 2291 * 2292 * p3-p0: packet type: 0 2293 * m7-m0: model ID: MouseMan+:0x50, FirstMouse+:0x51,... 2294 */ 2295 /* check constant bits */ 2296 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 2297 return FALSE; 2298 if ((data[1] & 0xc3) != 0xc2) 2299 return FALSE; 2300 /* check d3-d0 in byte 2 */ 2301 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 2302 return FALSE; 2303 /* check p3-p0 */ 2304 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 2305 return FALSE; 2306 2307 sc->hw.hwid &= 0x00ff; 2308 sc->hw.hwid |= data[2] << 8; /* save model ID */ 2309 2310 /* 2311 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 2312 * the wheel and the fourth button events are encoded in the 2313 * special data packet. The mouse may be put in the IntelliMouse mode 2314 * if it is initialized by the IntelliMouse's method. 2315 */ 2316 return TRUE; 2317 } 2318 2319 /* MS IntelliMouse */ 2320 static int 2321 enable_msintelli(struct psm_softc *sc) 2322 { 2323 /* 2324 * Logitech MouseMan+ and FirstMouse+ will also respond to this 2325 * probe routine and act like IntelliMouse. 2326 */ 2327 2328 static unsigned char rate[] = { 200, 100, 80, }; 2329 KBDC kbdc = sc->kbdc; 2330 int id; 2331 int i; 2332 2333 /* the special sequence to enable the third button and the roller. */ 2334 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2335 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2336 return FALSE; 2337 } 2338 /* the device will give the genuine ID only after the above sequence */ 2339 id = get_aux_id(kbdc); 2340 if (id != PSM_INTELLI_ID) 2341 return FALSE; 2342 2343 sc->hw.hwid = id; 2344 sc->hw.buttons = 3; 2345 2346 return TRUE; 2347 } 2348 2349 /* Interlink electronics VersaPad */ 2350 static int 2351 enable_versapad(struct psm_softc *sc) 2352 { 2353 KBDC kbdc = sc->kbdc; 2354 int data[3]; 2355 2356 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 2357 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 2358 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2359 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2360 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2361 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2362 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 2363 return FALSE; 2364 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 2365 return FALSE; 2366 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2367 2368 return TRUE; /* PS/2 absolute mode */ 2369 } 2370 2371 #ifdef PSM_HOOKAPM 2372 static int 2373 psmresume(void *dummy) 2374 { 2375 struct psm_softc *sc = PSM_SOFTC((int)dummy); 2376 int unit = (int)dummy; 2377 int err = 0; 2378 int s; 2379 int c; 2380 2381 if (verbose >= 2) 2382 log(LOG_NOTICE, "psm%d: APM resume hook called.\n", unit); 2383 2384 /* don't let anybody mess with the aux device */ 2385 if (!kbdc_lock(sc->kbdc, TRUE)) 2386 return (EIO); 2387 s = spltty(); 2388 2389 /* save the current controller command byte */ 2390 empty_both_buffers(sc->kbdc, 10); 2391 c = get_controller_command_byte(sc->kbdc); 2392 if (verbose >= 2) 2393 log(LOG_DEBUG, "psm%d: current command byte: %04x (psmresume).\n", 2394 unit, c); 2395 2396 /* enable the aux port but disable the aux interrupt and the keyboard */ 2397 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 2398 kbdc_get_device_mask(sc->kbdc), 2399 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 2400 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2401 /* CONTROLLER ERROR */ 2402 splx(s); 2403 kbdc_lock(sc->kbdc, FALSE); 2404 log(LOG_ERR, "psm%d: unable to set the command byte (psmresume).\n", 2405 unit); 2406 return (EIO); 2407 } 2408 2409 /* flush any data */ 2410 if (sc->state & PSM_VALID) { 2411 disable_aux_dev(sc->kbdc); /* this may fail; but never mind... */ 2412 empty_aux_buffer(sc->kbdc, 10); 2413 } 2414 sc->inputbytes = 0; 2415 2416 #ifdef PSM_RESETAFTERSUSPEND 2417 /* try to detect the aux device; are you still there? */ 2418 if (reinitialize(unit, &sc->mode)) { 2419 /* yes */ 2420 sc->state |= PSM_VALID; 2421 } else { 2422 /* the device has gone! */ 2423 restore_controller(sc->kbdc, c); 2424 sc->state &= ~PSM_VALID; 2425 log(LOG_ERR, "psm%d: the aux device has gone! (psmresume).\n", 2426 unit); 2427 err = ENXIO; 2428 } 2429 #endif /* PSM_RESETAFTERSUSPEND */ 2430 splx(s); 2431 2432 /* restore the driver state */ 2433 if ((sc->state & PSM_OPEN) && (err == 0)) { 2434 /* enable the aux device and the port again */ 2435 err = doopen(unit, c); 2436 if (err != 0) 2437 log(LOG_ERR, "psm%d: failed to enable the device (psmresume).\n", 2438 unit); 2439 } else { 2440 /* restore the keyboard port and disable the aux port */ 2441 if (!set_controller_command_byte(sc->kbdc, 2442 kbdc_get_device_mask(sc->kbdc), 2443 (c & KBD_KBD_CONTROL_BITS) 2444 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2445 /* CONTROLLER ERROR */ 2446 log(LOG_ERR, "psm%d: failed to disable the aux port (psmresume).\n", 2447 unit); 2448 err = EIO; 2449 } 2450 } 2451 2452 /* done */ 2453 kbdc_lock(sc->kbdc, FALSE); 2454 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 2455 /* 2456 * Release the blocked process; it must be notified that the device 2457 * cannot be accessed anymore. 2458 */ 2459 sc->state &= ~PSM_ASLP; 2460 wakeup((caddr_t)sc); 2461 } 2462 2463 if (verbose >= 2) 2464 log(LOG_DEBUG, "psm%d: APM resume hook exiting.\n", unit); 2465 2466 return (err); 2467 } 2468 #endif /* PSM_HOOKAPM */ 2469 2470 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 2471 2472 #endif /* NPSM > 0 */ 2473