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 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD$"); 63 64 #include "opt_psm.h" 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #include <sys/kernel.h> 69 #include <sys/module.h> 70 #include <sys/bus.h> 71 #include <sys/conf.h> 72 #include <sys/poll.h> 73 #include <sys/syslog.h> 74 #include <machine/bus.h> 75 #include <sys/rman.h> 76 #include <sys/selinfo.h> 77 #include <sys/sysctl.h> 78 #include <sys/time.h> 79 #include <sys/uio.h> 80 81 #include <sys/limits.h> 82 #include <sys/mouse.h> 83 #include <machine/resource.h> 84 85 #include <isa/isavar.h> 86 #include <dev/kbd/atkbdcreg.h> 87 88 /* 89 * Driver specific options: the following options may be set by 90 * `options' statements in the kernel configuration file. 91 */ 92 93 /* debugging */ 94 #ifndef PSM_DEBUG 95 #define PSM_DEBUG 0 /* logging: 0: none, 1: brief, 2: verbose */ 96 #endif 97 98 #ifndef PSM_SYNCERR_THRESHOLD1 99 #define PSM_SYNCERR_THRESHOLD1 20 100 #endif 101 102 #ifndef PSM_INPUT_TIMEOUT 103 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 104 #endif 105 106 /* end of driver specific options */ 107 108 #define PSM_DRIVER_NAME "psm" 109 #define PSMCPNP_DRIVER_NAME "psmcpnp" 110 111 /* input queue */ 112 #define PSM_BUFSIZE 960 113 #define PSM_SMALLBUFSIZE 240 114 115 /* operation levels */ 116 #define PSM_LEVEL_BASE 0 117 #define PSM_LEVEL_STANDARD 1 118 #define PSM_LEVEL_NATIVE 2 119 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 120 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 121 122 /* Logitech PS2++ protocol */ 123 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 124 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 125 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 126 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 127 128 /* some macros */ 129 #define PSM_UNIT(dev) (minor(dev) >> 1) 130 #define PSM_NBLOCKIO(dev) (minor(dev) & 1) 131 #define PSM_MKMINOR(unit,block) (((unit) << 1) | ((block) ? 0:1)) 132 133 /* ring buffer */ 134 typedef struct ringbuf { 135 int count; /* # of valid elements in the buffer */ 136 int head; /* head pointer */ 137 int tail; /* tail poiner */ 138 unsigned char buf[PSM_BUFSIZE]; 139 } ringbuf_t; 140 141 /* data buffer */ 142 typedef struct packetbuf { 143 unsigned char ipacket[16]; /* interim input buffer */ 144 int inputbytes; /* # of bytes in the input buffer */ 145 } packetbuf_t; 146 147 #ifndef PSM_PACKETQUEUE 148 #define PSM_PACKETQUEUE 128 149 #endif 150 151 /* driver control block */ 152 struct psm_softc { /* Driver status information */ 153 int unit; 154 struct selinfo rsel; /* Process selecting for Input */ 155 unsigned char state; /* Mouse driver state */ 156 int config; /* driver configuration flags */ 157 int flags; /* other flags */ 158 KBDC kbdc; /* handle to access the keyboard controller */ 159 struct resource *intr; /* IRQ resource */ 160 void *ih; /* interrupt handle */ 161 mousehw_t hw; /* hardware information */ 162 mousemode_t mode; /* operation mode */ 163 mousemode_t dflt_mode; /* default operation mode */ 164 mousestatus_t status; /* accumulated mouse movement */ 165 ringbuf_t queue; /* mouse status queue */ 166 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 167 int pqueue_start; /* start of data in queue */ 168 int pqueue_end; /* end of data in queue */ 169 int button; /* the latest button state */ 170 int xold; /* previous absolute X position */ 171 int yold; /* previous absolute Y position */ 172 int syncerrors; /* XXX: KILL ME! */ 173 struct timeval inputtimeout; 174 struct timeval lastsoftintr; /* time of last soft interrupt */ 175 struct timeval lastinputerr; /* time last sync error happened */ 176 int watchdog; /* watchdog timer flag */ 177 struct callout_handle callout; /* watchdog timer call out */ 178 struct callout_handle softcallout; /* buffer timer call out */ 179 dev_t dev; 180 dev_t bdev; 181 int lasterr; 182 int cmdcount; 183 }; 184 static 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 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 192 193 /* driver configuration flags (config) */ 194 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 195 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 196 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 197 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 198 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 199 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 200 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 201 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 202 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 203 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 204 205 #define PSM_CONFIG_FLAGS (PSM_CONFIG_RESOLUTION \ 206 | PSM_CONFIG_ACCEL \ 207 | PSM_CONFIG_NOCHECKSYNC \ 208 | PSM_CONFIG_SYNCHACK \ 209 | PSM_CONFIG_NOIDPROBE \ 210 | PSM_CONFIG_NORESET \ 211 | PSM_CONFIG_FORCETAP \ 212 | PSM_CONFIG_IGNPORTERROR \ 213 | PSM_CONFIG_HOOKRESUME \ 214 | PSM_CONFIG_INITAFTERSUSPEND) 215 216 /* other flags (flags) */ 217 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 218 219 /* for backward compatibility */ 220 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 221 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 222 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 223 224 typedef struct old_mousehw { 225 int buttons; 226 int iftype; 227 int type; 228 int hwid; 229 } old_mousehw_t; 230 231 typedef struct old_mousemode { 232 int protocol; 233 int rate; 234 int resolution; 235 int accelfactor; 236 } old_mousemode_t; 237 238 /* packet formatting function */ 239 typedef int packetfunc_t(struct psm_softc *, unsigned char *, 240 int *, int, mousestatus_t *); 241 242 /* function prototypes */ 243 static void psmidentify(driver_t *, device_t); 244 static int psmprobe(device_t); 245 static int psmattach(device_t); 246 static int psmdetach(device_t); 247 static int psmresume(device_t); 248 249 static d_open_t psmopen; 250 static d_close_t psmclose; 251 static d_read_t psmread; 252 static d_ioctl_t psmioctl; 253 static d_poll_t psmpoll; 254 255 static int enable_aux_dev(KBDC); 256 static int disable_aux_dev(KBDC); 257 static int get_mouse_status(KBDC, int *, int, int); 258 static int get_aux_id(KBDC); 259 static int set_mouse_sampling_rate(KBDC, int); 260 static int set_mouse_scaling(KBDC, int); 261 static int set_mouse_resolution(KBDC, int); 262 static int set_mouse_mode(KBDC); 263 static int get_mouse_buttons(KBDC); 264 static int is_a_mouse(int); 265 static void recover_from_error(KBDC); 266 static int restore_controller(KBDC, int); 267 static int doinitialize(struct psm_softc *, mousemode_t *); 268 static int doopen(struct psm_softc *, int); 269 static int reinitialize(struct psm_softc *, int); 270 static char *model_name(int); 271 static void psmsoftintr(void *); 272 static void psmintr(void *); 273 static void psmtimeout(void *); 274 static int timeelapsed(const struct timeval *, 275 int, int, const struct timeval *); 276 static void dropqueue(struct psm_softc *); 277 static void flushpackets(struct psm_softc *); 278 279 /* vendor specific features */ 280 typedef int probefunc_t(struct psm_softc *); 281 282 static int mouse_id_proc1(KBDC, int, int, int *); 283 static int mouse_ext_command(KBDC, int); 284 static probefunc_t enable_groller; 285 static probefunc_t enable_gmouse; 286 static probefunc_t enable_aglide; 287 static probefunc_t enable_kmouse; 288 static probefunc_t enable_msexplorer; 289 static probefunc_t enable_msintelli; 290 static probefunc_t enable_4dmouse; 291 static probefunc_t enable_4dplus; 292 static probefunc_t enable_mmanplus; 293 static probefunc_t enable_versapad; 294 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, unsigned char *); 295 296 static struct { 297 int model; 298 unsigned char syncmask; 299 int packetsize; 300 probefunc_t *probefunc; 301 } vendortype[] = { 302 /* 303 * WARNING: the order of probe is very important. Don't mess it 304 * unless you know what you are doing. 305 */ 306 { MOUSE_MODEL_NET, /* Genius NetMouse */ 307 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse, }, 308 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 309 0xc8, 6, enable_groller, }, 310 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 311 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus, }, 312 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 313 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer, }, 314 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 315 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse, }, 316 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 317 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus, }, 318 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 319 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli, }, 320 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 321 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide, }, 322 { MOUSE_MODEL_THINK, /* Kensignton ThinkingMouse */ 323 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse, }, 324 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 325 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad, }, 326 { MOUSE_MODEL_GENERIC, 327 0xc0, MOUSE_PS2_PACKETSIZE, NULL, }, 328 }; 329 #define GENERIC_MOUSE_ENTRY ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 330 331 /* device driver declarateion */ 332 static device_method_t psm_methods[] = { 333 /* Device interface */ 334 DEVMETHOD(device_identify, psmidentify), 335 DEVMETHOD(device_probe, psmprobe), 336 DEVMETHOD(device_attach, psmattach), 337 DEVMETHOD(device_detach, psmdetach), 338 DEVMETHOD(device_resume, psmresume), 339 340 { 0, 0 } 341 }; 342 343 static driver_t psm_driver = { 344 PSM_DRIVER_NAME, 345 psm_methods, 346 sizeof(struct psm_softc), 347 }; 348 349 #define CDEV_MAJOR 21 350 351 static struct cdevsw psm_cdevsw = { 352 .d_open = psmopen, 353 .d_close = psmclose, 354 .d_read = psmread, 355 .d_ioctl = psmioctl, 356 .d_poll = psmpoll, 357 .d_name = PSM_DRIVER_NAME, 358 .d_maj = CDEV_MAJOR, 359 }; 360 361 /* debug message level */ 362 static int verbose = PSM_DEBUG; 363 364 /* device I/O routines */ 365 static int 366 enable_aux_dev(KBDC kbdc) 367 { 368 int res; 369 370 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 371 if (verbose >= 2) 372 log(LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res); 373 374 return (res == PSM_ACK); 375 } 376 377 static int 378 disable_aux_dev(KBDC kbdc) 379 { 380 int res; 381 382 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 383 if (verbose >= 2) 384 log(LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res); 385 386 return (res == PSM_ACK); 387 } 388 389 static int 390 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 391 { 392 int cmd; 393 int res; 394 int i; 395 396 switch (flag) { 397 case 0: 398 default: 399 cmd = PSMC_SEND_DEV_STATUS; 400 break; 401 case 1: 402 cmd = PSMC_SEND_DEV_DATA; 403 break; 404 } 405 empty_aux_buffer(kbdc, 5); 406 res = send_aux_command(kbdc, cmd); 407 if (verbose >= 2) 408 log(LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 409 (flag == 1) ? "DATA" : "STATUS", res); 410 if (res != PSM_ACK) 411 return 0; 412 413 for (i = 0; i < len; ++i) { 414 status[i] = read_aux_data(kbdc); 415 if (status[i] < 0) 416 break; 417 } 418 419 if (verbose) { 420 log(LOG_DEBUG, "psm: %s %02x %02x %02x\n", 421 (flag == 1) ? "data" : "status", status[0], status[1], status[2]); 422 } 423 424 return i; 425 } 426 427 static int 428 get_aux_id(KBDC kbdc) 429 { 430 int res; 431 int id; 432 433 empty_aux_buffer(kbdc, 5); 434 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 435 if (verbose >= 2) 436 log(LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res); 437 if (res != PSM_ACK) 438 return (-1); 439 440 /* 10ms delay */ 441 DELAY(10000); 442 443 id = read_aux_data(kbdc); 444 if (verbose >= 2) 445 log(LOG_DEBUG, "psm: device ID: %04x\n", id); 446 447 return id; 448 } 449 450 static int 451 set_mouse_sampling_rate(KBDC kbdc, int rate) 452 { 453 int res; 454 455 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 456 if (verbose >= 2) 457 log(LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res); 458 459 return ((res == PSM_ACK) ? rate : -1); 460 } 461 462 static int 463 set_mouse_scaling(KBDC kbdc, int scale) 464 { 465 int res; 466 467 switch (scale) { 468 case 1: 469 default: 470 scale = PSMC_SET_SCALING11; 471 break; 472 case 2: 473 scale = PSMC_SET_SCALING21; 474 break; 475 } 476 res = send_aux_command(kbdc, scale); 477 if (verbose >= 2) 478 log(LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 479 (scale == PSMC_SET_SCALING21) ? "21" : "11", res); 480 481 return (res == PSM_ACK); 482 } 483 484 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 485 static int 486 set_mouse_resolution(KBDC kbdc, int val) 487 { 488 int res; 489 490 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 491 if (verbose >= 2) 492 log(LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res); 493 494 return ((res == PSM_ACK) ? val : -1); 495 } 496 497 /* 498 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 499 * re-enabled by calling `enable_aux_dev()' 500 */ 501 static int 502 set_mouse_mode(KBDC kbdc) 503 { 504 int res; 505 506 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 507 if (verbose >= 2) 508 log(LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res); 509 510 return (res == PSM_ACK); 511 } 512 513 static int 514 get_mouse_buttons(KBDC kbdc) 515 { 516 int c = 2; /* assume two buttons by default */ 517 int status[3]; 518 519 /* 520 * NOTE: a special sequence to obtain Logitech Mouse specific 521 * information: set resolution to 25 ppi, set scaling to 1:1, set 522 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 523 * mouse status bytes is the number of available buttons. 524 * Some manufactures also support this sequence. 525 */ 526 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 527 return c; 528 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) 529 && set_mouse_scaling(kbdc, 1) 530 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) { 531 if (status[1] != 0) 532 return status[1]; 533 } 534 return c; 535 } 536 537 /* misc subroutines */ 538 /* 539 * Someday, I will get the complete list of valid pointing devices and 540 * their IDs... XXX 541 */ 542 static int 543 is_a_mouse(int id) 544 { 545 #if 0 546 static int valid_ids[] = { 547 PSM_MOUSE_ID, /* mouse */ 548 PSM_BALLPOINT_ID, /* ballpoint device */ 549 PSM_INTELLI_ID, /* Intellimouse */ 550 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 551 -1 /* end of table */ 552 }; 553 int i; 554 555 for (i = 0; valid_ids[i] >= 0; ++i) 556 if (valid_ids[i] == id) 557 return TRUE; 558 return FALSE; 559 #else 560 return TRUE; 561 #endif 562 } 563 564 static char * 565 model_name(int model) 566 { 567 static struct { 568 int model_code; 569 char *model_name; 570 } models[] = { 571 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 572 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 573 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 574 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 575 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 576 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 577 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 578 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 579 { MOUSE_MODEL_4D, "4D Mouse" }, 580 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 581 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 582 { MOUSE_MODEL_UNKNOWN, NULL }, 583 }; 584 int i; 585 586 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) { 587 if (models[i].model_code == model) 588 return models[i].model_name; 589 } 590 return "Unknown"; 591 } 592 593 static void 594 recover_from_error(KBDC kbdc) 595 { 596 /* discard anything left in the output buffer */ 597 empty_both_buffers(kbdc, 10); 598 599 #if 0 600 /* 601 * NOTE: KBDC_RESET_KBD may not restore the communication between the 602 * keyboard and the controller. 603 */ 604 reset_kbd(kbdc); 605 #else 606 /* 607 * NOTE: somehow diagnostic and keyboard port test commands bring the 608 * keyboard back. 609 */ 610 if (!test_controller(kbdc)) 611 log(LOG_ERR, "psm: keyboard controller failed.\n"); 612 /* if there isn't a keyboard in the system, the following error is OK */ 613 if (test_kbd_port(kbdc) != 0) { 614 if (verbose) 615 log(LOG_ERR, "psm: keyboard port failed.\n"); 616 } 617 #endif 618 } 619 620 static int 621 restore_controller(KBDC kbdc, int command_byte) 622 { 623 empty_both_buffers(kbdc, 10); 624 625 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 626 log(LOG_ERR, "psm: failed to restore the keyboard controller " 627 "command byte.\n"); 628 empty_both_buffers(kbdc, 10); 629 return FALSE; 630 } else { 631 empty_both_buffers(kbdc, 10); 632 return TRUE; 633 } 634 } 635 636 /* 637 * Re-initialize the aux port and device. The aux port must be enabled 638 * and its interrupt must be disabled before calling this routine. 639 * The aux device will be disabled before returning. 640 * The keyboard controller must be locked via `kbdc_lock()' before 641 * calling this routine. 642 */ 643 static int 644 doinitialize(struct psm_softc *sc, mousemode_t *mode) 645 { 646 KBDC kbdc = sc->kbdc; 647 int stat[3]; 648 int i; 649 650 switch((i = test_aux_port(kbdc))) { 651 case 1: /* ignore this error */ 652 case PSM_ACK: 653 if (verbose) 654 log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n", 655 sc->unit, i); 656 /* FALLTHROUGH */ 657 case 0: /* no error */ 658 break; 659 case -1: /* time out */ 660 default: /* error */ 661 recover_from_error(kbdc); 662 if (sc->config & PSM_CONFIG_IGNPORTERROR) 663 break; 664 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 665 sc->unit, i); 666 return FALSE; 667 } 668 669 if (sc->config & PSM_CONFIG_NORESET) { 670 /* 671 * Don't try to reset the pointing device. It may possibly be 672 * left in the unknown state, though... 673 */ 674 } else { 675 /* 676 * NOTE: some controllers appears to hang the `keyboard' when 677 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 678 */ 679 if (!reset_aux_dev(kbdc)) { 680 recover_from_error(kbdc); 681 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", sc->unit); 682 return FALSE; 683 } 684 } 685 686 /* 687 * both the aux port and the aux device is functioning, see 688 * if the device can be enabled. 689 */ 690 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 691 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", sc->unit); 692 return FALSE; 693 } 694 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 695 696 if (sc->config & PSM_CONFIG_NOIDPROBE) { 697 i = GENERIC_MOUSE_ENTRY; 698 } else { 699 /* FIXME: hardware ID, mouse buttons? */ 700 701 /* other parameters */ 702 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 703 if ((*vendortype[i].probefunc)(sc)) { 704 if (verbose >= 2) 705 log(LOG_ERR, "psm%d: found %s\n", 706 sc->unit, model_name(vendortype[i].model)); 707 break; 708 } 709 } 710 } 711 712 sc->hw.model = vendortype[i].model; 713 sc->mode.packetsize = vendortype[i].packetsize; 714 715 /* set mouse parameters */ 716 if (mode != (mousemode_t *)NULL) { 717 if (mode->rate > 0) 718 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 719 if (mode->resolution >= 0) 720 mode->resolution = set_mouse_resolution(kbdc, mode->resolution); 721 set_mouse_scaling(kbdc, 1); 722 set_mouse_mode(kbdc); 723 } 724 725 /* request a data packet and extract sync. bits */ 726 if (get_mouse_status(kbdc, stat, 1, 3) < 3) { 727 log(LOG_DEBUG, "psm%d: failed to get data (doinitialize).\n", 728 sc->unit); 729 sc->mode.syncmask[0] = 0; 730 } else { 731 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 732 /* the NetScroll Mouse will send three more bytes... Ignore them */ 733 empty_aux_buffer(kbdc, 5); 734 } 735 736 /* just check the status of the mouse */ 737 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 738 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 739 sc->unit); 740 741 return TRUE; 742 } 743 744 static int 745 doopen(struct psm_softc *sc, int command_byte) 746 { 747 int stat[3]; 748 749 /* enable the mouse device */ 750 if (!enable_aux_dev(sc->kbdc)) { 751 /* MOUSE ERROR: failed to enable the mouse because: 752 * 1) the mouse is faulty, 753 * 2) the mouse has been removed(!?) 754 * In the latter case, the keyboard may have hung, and need 755 * recovery procedure... 756 */ 757 recover_from_error(sc->kbdc); 758 #if 0 759 /* FIXME: we could reset the mouse here and try to enable 760 * it again. But it will take long time and it's not a good 761 * idea to disable the keyboard that long... 762 */ 763 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 764 recover_from_error(sc->kbdc); 765 #else 766 { 767 #endif 768 restore_controller(sc->kbdc, command_byte); 769 /* mark this device is no longer available */ 770 sc->state &= ~PSM_VALID; 771 log(LOG_ERR, "psm%d: failed to enable the device (doopen).\n", 772 sc->unit); 773 return (EIO); 774 } 775 } 776 777 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 778 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", sc->unit); 779 780 /* enable the aux port and interrupt */ 781 if (!set_controller_command_byte(sc->kbdc, 782 kbdc_get_device_mask(sc->kbdc), 783 (command_byte & KBD_KBD_CONTROL_BITS) 784 | KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 785 /* CONTROLLER ERROR */ 786 disable_aux_dev(sc->kbdc); 787 restore_controller(sc->kbdc, command_byte); 788 log(LOG_ERR, "psm%d: failed to enable the aux interrupt (doopen).\n", 789 sc->unit); 790 return (EIO); 791 } 792 793 /* start the watchdog timer */ 794 sc->watchdog = FALSE; 795 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz*2); 796 797 return (0); 798 } 799 800 static int 801 reinitialize(struct psm_softc *sc, int doinit) 802 { 803 int err; 804 int c; 805 int s; 806 807 /* don't let anybody mess with the aux device */ 808 if (!kbdc_lock(sc->kbdc, TRUE)) 809 return (EIO); 810 s = spltty(); 811 812 /* block our watchdog timer */ 813 sc->watchdog = FALSE; 814 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 815 callout_handle_init(&sc->callout); 816 817 /* save the current controller command byte */ 818 empty_both_buffers(sc->kbdc, 10); 819 c = get_controller_command_byte(sc->kbdc); 820 if (verbose >= 2) 821 log(LOG_DEBUG, "psm%d: current command byte: %04x (reinitialize).\n", 822 sc->unit, c); 823 824 /* enable the aux port but disable the aux interrupt and the keyboard */ 825 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 826 kbdc_get_device_mask(sc->kbdc), 827 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 828 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 829 /* CONTROLLER ERROR */ 830 splx(s); 831 kbdc_lock(sc->kbdc, FALSE); 832 log(LOG_ERR, "psm%d: unable to set the command byte (reinitialize).\n", 833 sc->unit); 834 return (EIO); 835 } 836 837 /* flush any data */ 838 if (sc->state & PSM_VALID) { 839 disable_aux_dev(sc->kbdc); /* this may fail; but never mind... */ 840 empty_aux_buffer(sc->kbdc, 10); 841 } 842 flushpackets(sc); 843 sc->syncerrors = 0; 844 845 /* try to detect the aux device; are you still there? */ 846 err = 0; 847 if (doinit) { 848 if (doinitialize(sc, &sc->mode)) { 849 /* yes */ 850 sc->state |= PSM_VALID; 851 } else { 852 /* the device has gone! */ 853 restore_controller(sc->kbdc, c); 854 sc->state &= ~PSM_VALID; 855 log(LOG_ERR, "psm%d: the aux device has gone! (reinitialize).\n", 856 sc->unit); 857 err = ENXIO; 858 } 859 } 860 splx(s); 861 862 /* restore the driver state */ 863 if ((sc->state & PSM_OPEN) && (err == 0)) { 864 /* enable the aux device and the port again */ 865 err = doopen(sc, c); 866 if (err != 0) 867 log(LOG_ERR, "psm%d: failed to enable the device (reinitialize).\n", 868 sc->unit); 869 } else { 870 /* restore the keyboard port and disable the aux port */ 871 if (!set_controller_command_byte(sc->kbdc, 872 kbdc_get_device_mask(sc->kbdc), 873 (c & KBD_KBD_CONTROL_BITS) 874 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 875 /* CONTROLLER ERROR */ 876 log(LOG_ERR, "psm%d: failed to disable the aux port (reinitialize).\n", 877 sc->unit); 878 err = EIO; 879 } 880 } 881 882 kbdc_lock(sc->kbdc, FALSE); 883 return (err); 884 } 885 886 /* psm driver entry points */ 887 888 static void 889 psmidentify(driver_t *driver, device_t parent) 890 { 891 device_t psmc; 892 device_t psm; 893 u_long irq; 894 int unit; 895 896 unit = device_get_unit(parent); 897 898 /* always add at least one child */ 899 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 900 if (psm == NULL) 901 return; 902 903 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 904 if (irq > 0) 905 return; 906 907 /* 908 * If the PS/2 mouse device has already been reported by ACPI or 909 * PnP BIOS, obtain the IRQ resource from it. 910 * (See psmcpnp_attach() below.) 911 */ 912 psmc = device_find_child(device_get_parent(parent), 913 PSMCPNP_DRIVER_NAME, unit); 914 if (psmc == NULL) 915 return; 916 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 917 if (irq <= 0) 918 return; 919 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 920 } 921 922 #define endprobe(v) do { if (bootverbose) \ 923 --verbose; \ 924 kbdc_set_device_mask(sc->kbdc, mask); \ 925 kbdc_lock(sc->kbdc, FALSE); \ 926 return (v); \ 927 } while (0) 928 929 static int 930 psmprobe(device_t dev) 931 { 932 int unit = device_get_unit(dev); 933 struct psm_softc *sc = device_get_softc(dev); 934 int stat[3]; 935 int command_byte; 936 int mask; 937 int rid; 938 int i; 939 940 #if 0 941 kbdc_debug(TRUE); 942 #endif 943 944 /* see if IRQ is available */ 945 rid = KBDC_RID_AUX; 946 sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 947 RF_SHAREABLE | RF_ACTIVE); 948 if (sc->intr == NULL) { 949 if (bootverbose) 950 device_printf(dev, "unable to allocate IRQ\n"); 951 return (ENXIO); 952 } 953 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 954 955 sc->unit = unit; 956 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 957 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 958 /* XXX: for backward compatibility */ 959 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 960 sc->config |= 961 #ifdef PSM_RESETAFTERSUSPEND 962 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 963 #else 964 PSM_CONFIG_HOOKRESUME; 965 #endif 966 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 967 sc->flags = 0; 968 if (bootverbose) 969 ++verbose; 970 971 device_set_desc(dev, "PS/2 Mouse"); 972 973 if (!kbdc_lock(sc->kbdc, TRUE)) { 974 printf("psm%d: unable to lock the controller.\n", unit); 975 if (bootverbose) 976 --verbose; 977 return (ENXIO); 978 } 979 980 /* 981 * NOTE: two bits in the command byte controls the operation of the 982 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 983 * port interrupt (IRQ 12) enable bit (bit 2). 984 */ 985 986 /* discard anything left after the keyboard initialization */ 987 empty_both_buffers(sc->kbdc, 10); 988 989 /* save the current command byte; it will be used later */ 990 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 991 command_byte = get_controller_command_byte(sc->kbdc); 992 if (verbose) 993 printf("psm%d: current command byte:%04x\n", unit, command_byte); 994 if (command_byte == -1) { 995 /* CONTROLLER ERROR */ 996 printf("psm%d: unable to get the current command byte value.\n", 997 unit); 998 endprobe(ENXIO); 999 } 1000 1001 /* 1002 * disable the keyboard port while probing the aux port, which must be 1003 * enabled during this routine 1004 */ 1005 if (!set_controller_command_byte(sc->kbdc, 1006 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1007 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1008 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1009 /* 1010 * this is CONTROLLER ERROR; I don't know how to recover 1011 * from this error... 1012 */ 1013 restore_controller(sc->kbdc, command_byte); 1014 printf("psm%d: unable to set the command byte.\n", unit); 1015 endprobe(ENXIO); 1016 } 1017 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1018 1019 /* 1020 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1021 * port exists and is functioning. However, some controllers appears 1022 * to respond with zero even when the aux port doesn't exist. (It may 1023 * be that this is only the case when the controller DOES have the aux 1024 * port but the port is not wired on the motherboard.) The keyboard 1025 * controllers without the port, such as the original AT, are 1026 * supporsed to return with an error code or simply time out. In any 1027 * case, we have to continue probing the port even when the controller 1028 * passes this test. 1029 * 1030 * XXX: some controllers erroneously return the error code 1 when 1031 * it has the perfectly functional aux port. We have to ignore this 1032 * error code. Even if the controller HAS error with the aux port, 1033 * it will be detected later... 1034 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1035 */ 1036 switch ((i = test_aux_port(sc->kbdc))) { 1037 case 1: /* ignore this error */ 1038 case PSM_ACK: 1039 if (verbose) 1040 printf("psm%d: strange result for test aux port (%d).\n", 1041 unit, i); 1042 /* FALLTHROUGH */ 1043 case 0: /* no error */ 1044 break; 1045 case -1: /* time out */ 1046 default: /* error */ 1047 recover_from_error(sc->kbdc); 1048 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1049 break; 1050 restore_controller(sc->kbdc, command_byte); 1051 if (verbose) 1052 printf("psm%d: the aux port is not functioning (%d).\n", 1053 unit, i); 1054 endprobe(ENXIO); 1055 } 1056 1057 if (sc->config & PSM_CONFIG_NORESET) { 1058 /* 1059 * Don't try to reset the pointing device. It may possibly be 1060 * left in the unknown state, though... 1061 */ 1062 } else { 1063 /* 1064 * NOTE: some controllers appears to hang the `keyboard' when the aux 1065 * port doesn't exist and `PSMC_RESET_DEV' is issued. 1066 * 1067 * Attempt to reset the controller twice -- this helps 1068 * pierce through some KVM switches. The second reset 1069 * is non-fatal. 1070 */ 1071 if (!reset_aux_dev(sc->kbdc)) { 1072 recover_from_error(sc->kbdc); 1073 restore_controller(sc->kbdc, command_byte); 1074 if (verbose) 1075 printf("psm%d: failed to reset the aux device.\n", unit); 1076 endprobe(ENXIO); 1077 } else if (!reset_aux_dev(sc->kbdc)) { 1078 recover_from_error(sc->kbdc); 1079 if (verbose >= 2) 1080 printf("psm%d: failed to reset the aux device (2).\n", 1081 unit); 1082 } 1083 } 1084 1085 /* 1086 * both the aux port and the aux device is functioning, see if the 1087 * device can be enabled. NOTE: when enabled, the device will start 1088 * sending data; we shall immediately disable the device once we know 1089 * the device can be enabled. 1090 */ 1091 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1092 /* MOUSE ERROR */ 1093 recover_from_error(sc->kbdc); 1094 restore_controller(sc->kbdc, command_byte); 1095 if (verbose) 1096 printf("psm%d: failed to enable the aux device.\n", unit); 1097 endprobe(ENXIO); 1098 } 1099 1100 /* save the default values after reset */ 1101 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1102 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1103 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1104 } else { 1105 sc->dflt_mode.rate = sc->mode.rate = -1; 1106 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1107 } 1108 1109 /* hardware information */ 1110 sc->hw.iftype = MOUSE_IF_PS2; 1111 1112 /* verify the device is a mouse */ 1113 sc->hw.hwid = get_aux_id(sc->kbdc); 1114 if (!is_a_mouse(sc->hw.hwid)) { 1115 restore_controller(sc->kbdc, command_byte); 1116 if (verbose) 1117 printf("psm%d: unknown device type (%d).\n", unit, sc->hw.hwid); 1118 endprobe(ENXIO); 1119 } 1120 switch (sc->hw.hwid) { 1121 case PSM_BALLPOINT_ID: 1122 sc->hw.type = MOUSE_TRACKBALL; 1123 break; 1124 case PSM_MOUSE_ID: 1125 case PSM_INTELLI_ID: 1126 case PSM_EXPLORER_ID: 1127 case PSM_4DMOUSE_ID: 1128 case PSM_4DPLUS_ID: 1129 sc->hw.type = MOUSE_MOUSE; 1130 break; 1131 default: 1132 sc->hw.type = MOUSE_UNKNOWN; 1133 break; 1134 } 1135 1136 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1137 sc->hw.buttons = 2; 1138 i = GENERIC_MOUSE_ENTRY; 1139 } else { 1140 /* # of buttons */ 1141 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1142 1143 /* other parameters */ 1144 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 1145 if ((*vendortype[i].probefunc)(sc)) { 1146 if (verbose >= 2) 1147 printf("psm%d: found %s\n", 1148 unit, model_name(vendortype[i].model)); 1149 break; 1150 } 1151 } 1152 } 1153 1154 sc->hw.model = vendortype[i].model; 1155 1156 sc->dflt_mode.level = PSM_LEVEL_BASE; 1157 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1158 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1159 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1160 sc->dflt_mode.syncmask[0] = 0; 1161 else 1162 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1163 if (sc->config & PSM_CONFIG_FORCETAP) 1164 sc->mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1165 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1166 sc->mode = sc->dflt_mode; 1167 sc->mode.packetsize = vendortype[i].packetsize; 1168 1169 /* set mouse parameters */ 1170 #if 0 1171 /* 1172 * A version of Logitech FirstMouse+ won't report wheel movement, 1173 * if SET_DEFAULTS is sent... Don't use this command. 1174 * This fix was found by Takashi Nishida. 1175 */ 1176 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1177 if (verbose >= 2) 1178 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1179 #endif 1180 if (sc->config & PSM_CONFIG_RESOLUTION) { 1181 sc->mode.resolution 1182 = set_mouse_resolution(sc->kbdc, 1183 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1184 } else if (sc->mode.resolution >= 0) { 1185 sc->mode.resolution 1186 = set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1187 } 1188 if (sc->mode.rate > 0) { 1189 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1190 } 1191 set_mouse_scaling(sc->kbdc, 1); 1192 1193 /* request a data packet and extract sync. bits */ 1194 if (get_mouse_status(sc->kbdc, stat, 1, 3) < 3) { 1195 printf("psm%d: failed to get data.\n", unit); 1196 sc->mode.syncmask[0] = 0; 1197 } else { 1198 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 1199 /* the NetScroll Mouse will send three more bytes... Ignore them */ 1200 empty_aux_buffer(sc->kbdc, 5); 1201 } 1202 1203 /* just check the status of the mouse */ 1204 /* 1205 * NOTE: XXX there are some arcane controller/mouse combinations out 1206 * there, which hung the controller unless there is data transmission 1207 * after ACK from the mouse. 1208 */ 1209 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) { 1210 printf("psm%d: failed to get status.\n", unit); 1211 } else { 1212 /* 1213 * When in its native mode, some mice operate with different 1214 * default parameters than in the PS/2 compatible mode. 1215 */ 1216 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1217 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1218 } 1219 1220 /* disable the aux port for now... */ 1221 if (!set_controller_command_byte(sc->kbdc, 1222 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1223 (command_byte & KBD_KBD_CONTROL_BITS) 1224 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1225 /* 1226 * this is CONTROLLER ERROR; I don't know the proper way to 1227 * recover from this error... 1228 */ 1229 restore_controller(sc->kbdc, command_byte); 1230 printf("psm%d: unable to set the command byte.\n", unit); 1231 endprobe(ENXIO); 1232 } 1233 1234 /* done */ 1235 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1236 kbdc_lock(sc->kbdc, FALSE); 1237 return (0); 1238 } 1239 1240 static int 1241 psmattach(device_t dev) 1242 { 1243 int unit = device_get_unit(dev); 1244 struct psm_softc *sc = device_get_softc(dev); 1245 int error; 1246 int rid; 1247 1248 if (sc == NULL) /* shouldn't happen */ 1249 return (ENXIO); 1250 1251 /* Setup initial state */ 1252 sc->state = PSM_VALID; 1253 callout_handle_init(&sc->callout); 1254 1255 /* Setup our interrupt handler */ 1256 rid = KBDC_RID_AUX; 1257 sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 1258 RF_SHAREABLE | RF_ACTIVE); 1259 if (sc->intr == NULL) 1260 return (ENXIO); 1261 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, psmintr, sc, &sc->ih); 1262 if (error) { 1263 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1264 return (error); 1265 } 1266 1267 /* Done */ 1268 sc->dev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, 1269 "psm%d", unit); 1270 sc->bdev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, 1271 "bpsm%d", unit); 1272 1273 if (!verbose) { 1274 printf("psm%d: model %s, device ID %d\n", 1275 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1276 } else { 1277 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1278 unit, model_name(sc->hw.model), 1279 sc->hw.hwid & 0x00ff, sc->hw.hwid >> 8, sc->hw.buttons); 1280 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1281 unit, sc->config, sc->flags, sc->mode.packetsize); 1282 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1283 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1284 } 1285 1286 if (bootverbose) 1287 --verbose; 1288 1289 return (0); 1290 } 1291 1292 static int 1293 psmdetach(device_t dev) 1294 { 1295 struct psm_softc *sc; 1296 int rid; 1297 1298 sc = device_get_softc(dev); 1299 if (sc->state & PSM_OPEN) 1300 return EBUSY; 1301 1302 rid = KBDC_RID_AUX; 1303 bus_teardown_intr(dev, sc->intr, sc->ih); 1304 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1305 1306 destroy_dev(sc->dev); 1307 destroy_dev(sc->bdev); 1308 1309 return 0; 1310 } 1311 1312 static int 1313 psmopen(dev_t dev, int flag, int fmt, struct thread *td) 1314 { 1315 int unit = PSM_UNIT(dev); 1316 struct psm_softc *sc; 1317 int command_byte; 1318 int err; 1319 int s; 1320 1321 /* Get device data */ 1322 sc = PSM_SOFTC(unit); 1323 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) 1324 /* the device is no longer valid/functioning */ 1325 return (ENXIO); 1326 1327 /* Disallow multiple opens */ 1328 if (sc->state & PSM_OPEN) 1329 return (EBUSY); 1330 1331 device_busy(devclass_get_device(psm_devclass, unit)); 1332 1333 /* Initialize state */ 1334 sc->mode.level = sc->dflt_mode.level; 1335 sc->mode.protocol = sc->dflt_mode.protocol; 1336 sc->watchdog = FALSE; 1337 1338 /* flush the event queue */ 1339 sc->queue.count = 0; 1340 sc->queue.head = 0; 1341 sc->queue.tail = 0; 1342 sc->status.flags = 0; 1343 sc->status.button = 0; 1344 sc->status.obutton = 0; 1345 sc->status.dx = 0; 1346 sc->status.dy = 0; 1347 sc->status.dz = 0; 1348 sc->button = 0; 1349 sc->pqueue_start = 0; 1350 sc->pqueue_end = 0; 1351 1352 /* empty input buffer */ 1353 flushpackets(sc); 1354 sc->syncerrors = 0; 1355 1356 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1357 if (!kbdc_lock(sc->kbdc, TRUE)) 1358 return (EIO); 1359 1360 /* save the current controller command byte */ 1361 s = spltty(); 1362 command_byte = get_controller_command_byte(sc->kbdc); 1363 1364 /* enable the aux port and temporalily disable the keyboard */ 1365 if ((command_byte == -1) 1366 || !set_controller_command_byte(sc->kbdc, 1367 kbdc_get_device_mask(sc->kbdc), 1368 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1369 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1370 /* CONTROLLER ERROR; do you know how to get out of this? */ 1371 kbdc_lock(sc->kbdc, FALSE); 1372 splx(s); 1373 log(LOG_ERR, "psm%d: unable to set the command byte (psmopen).\n", 1374 unit); 1375 return (EIO); 1376 } 1377 /* 1378 * Now that the keyboard controller is told not to generate 1379 * the keyboard and mouse interrupts, call `splx()' to allow 1380 * the other tty interrupts. The clock interrupt may also occur, 1381 * but timeout routines will be blocked by the poll flag set 1382 * via `kbdc_lock()' 1383 */ 1384 splx(s); 1385 1386 /* enable the mouse device */ 1387 err = doopen(sc, command_byte); 1388 1389 /* done */ 1390 if (err == 0) 1391 sc->state |= PSM_OPEN; 1392 kbdc_lock(sc->kbdc, FALSE); 1393 return (err); 1394 } 1395 1396 static int 1397 psmclose(dev_t dev, int flag, int fmt, struct thread *td) 1398 { 1399 int unit = PSM_UNIT(dev); 1400 struct psm_softc *sc = PSM_SOFTC(unit); 1401 int stat[3]; 1402 int command_byte; 1403 int s; 1404 1405 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1406 if (!kbdc_lock(sc->kbdc, TRUE)) 1407 return (EIO); 1408 1409 /* save the current controller command byte */ 1410 s = spltty(); 1411 command_byte = get_controller_command_byte(sc->kbdc); 1412 if (command_byte == -1) { 1413 kbdc_lock(sc->kbdc, FALSE); 1414 splx(s); 1415 return (EIO); 1416 } 1417 1418 /* disable the aux interrupt and temporalily disable the keyboard */ 1419 if (!set_controller_command_byte(sc->kbdc, 1420 kbdc_get_device_mask(sc->kbdc), 1421 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1422 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1423 log(LOG_ERR, "psm%d: failed to disable the aux int (psmclose).\n", 1424 unit); 1425 /* CONTROLLER ERROR; 1426 * NOTE: we shall force our way through. Because the only 1427 * ill effect we shall see is that we may not be able 1428 * to read ACK from the mouse, and it doesn't matter much 1429 * so long as the mouse will accept the DISABLE command. 1430 */ 1431 } 1432 splx(s); 1433 1434 /* stop the watchdog timer */ 1435 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 1436 callout_handle_init(&sc->callout); 1437 1438 /* remove anything left in the output buffer */ 1439 empty_aux_buffer(sc->kbdc, 10); 1440 1441 /* disable the aux device, port and interrupt */ 1442 if (sc->state & PSM_VALID) { 1443 if (!disable_aux_dev(sc->kbdc)) { 1444 /* MOUSE ERROR; 1445 * NOTE: we don't return error and continue, pretending 1446 * we have successfully disabled the device. It's OK because 1447 * the interrupt routine will discard any data from the mouse 1448 * hereafter. 1449 */ 1450 log(LOG_ERR, "psm%d: failed to disable the device (psmclose).\n", 1451 unit); 1452 } 1453 1454 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1455 log(LOG_DEBUG, "psm%d: failed to get status (psmclose).\n", 1456 unit); 1457 } 1458 1459 if (!set_controller_command_byte(sc->kbdc, 1460 kbdc_get_device_mask(sc->kbdc), 1461 (command_byte & KBD_KBD_CONTROL_BITS) 1462 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1463 /* CONTROLLER ERROR; 1464 * we shall ignore this error; see the above comment. 1465 */ 1466 log(LOG_ERR, "psm%d: failed to disable the aux port (psmclose).\n", 1467 unit); 1468 } 1469 1470 /* remove anything left in the output buffer */ 1471 empty_aux_buffer(sc->kbdc, 10); 1472 1473 /* close is almost always successful */ 1474 sc->state &= ~PSM_OPEN; 1475 kbdc_lock(sc->kbdc, FALSE); 1476 device_unbusy(devclass_get_device(psm_devclass, unit)); 1477 return (0); 1478 } 1479 1480 static int 1481 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, unsigned char *buf) 1482 { 1483 static unsigned char butmapps2[8] = { 1484 0, 1485 MOUSE_PS2_BUTTON1DOWN, 1486 MOUSE_PS2_BUTTON2DOWN, 1487 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1488 MOUSE_PS2_BUTTON3DOWN, 1489 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1490 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1491 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1492 }; 1493 static unsigned char butmapmsc[8] = { 1494 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1495 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1496 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1497 MOUSE_MSC_BUTTON3UP, 1498 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1499 MOUSE_MSC_BUTTON2UP, 1500 MOUSE_MSC_BUTTON1UP, 1501 0, 1502 }; 1503 int mapped; 1504 int i; 1505 1506 if (sc->mode.level == PSM_LEVEL_BASE) { 1507 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1508 if (status->button & MOUSE_BUTTON4DOWN) 1509 mapped |= MOUSE_BUTTON1DOWN; 1510 status->button = mapped; 1511 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1512 i = imax(imin(status->dx, 255), -256); 1513 if (i < 0) 1514 buf[0] |= MOUSE_PS2_XNEG; 1515 buf[1] = i; 1516 i = imax(imin(status->dy, 255), -256); 1517 if (i < 0) 1518 buf[0] |= MOUSE_PS2_YNEG; 1519 buf[2] = i; 1520 return MOUSE_PS2_PACKETSIZE; 1521 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1522 buf[0] = MOUSE_MSC_SYNC | butmapmsc[status->button & MOUSE_STDBUTTONS]; 1523 i = imax(imin(status->dx, 255), -256); 1524 buf[1] = i >> 1; 1525 buf[3] = i - buf[1]; 1526 i = imax(imin(status->dy, 255), -256); 1527 buf[2] = i >> 1; 1528 buf[4] = i - buf[2]; 1529 i = imax(imin(status->dz, 127), -128); 1530 buf[5] = (i >> 1) & 0x7f; 1531 buf[6] = (i - (i >> 1)) & 0x7f; 1532 buf[7] = (~status->button >> 3) & 0x7f; 1533 return MOUSE_SYS_PACKETSIZE; 1534 } 1535 return pb->inputbytes; 1536 } 1537 1538 static int 1539 psmread(dev_t dev, struct uio *uio, int flag) 1540 { 1541 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1542 unsigned char buf[PSM_SMALLBUFSIZE]; 1543 int error = 0; 1544 int s; 1545 int l; 1546 1547 if ((sc->state & PSM_VALID) == 0) 1548 return EIO; 1549 1550 /* block until mouse activity occured */ 1551 s = spltty(); 1552 while (sc->queue.count <= 0) { 1553 if (PSM_NBLOCKIO(dev)) { 1554 splx(s); 1555 return EWOULDBLOCK; 1556 } 1557 sc->state |= PSM_ASLP; 1558 error = tsleep( sc, PZERO | PCATCH, "psmrea", 0); 1559 sc->state &= ~PSM_ASLP; 1560 if (error) { 1561 splx(s); 1562 return error; 1563 } else if ((sc->state & PSM_VALID) == 0) { 1564 /* the device disappeared! */ 1565 splx(s); 1566 return EIO; 1567 } 1568 } 1569 splx(s); 1570 1571 /* copy data to the user land */ 1572 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1573 s = spltty(); 1574 l = imin(sc->queue.count, uio->uio_resid); 1575 if (l > sizeof(buf)) 1576 l = sizeof(buf); 1577 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1578 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1579 sizeof(sc->queue.buf) - sc->queue.head); 1580 bcopy(&sc->queue.buf[0], 1581 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1582 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1583 } else { 1584 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1585 } 1586 sc->queue.count -= l; 1587 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1588 splx(s); 1589 error = uiomove(buf, l, uio); 1590 if (error) 1591 break; 1592 } 1593 1594 return error; 1595 } 1596 1597 static int 1598 block_mouse_data(struct psm_softc *sc, int *c) 1599 { 1600 int s; 1601 1602 if (!kbdc_lock(sc->kbdc, TRUE)) 1603 return EIO; 1604 1605 s = spltty(); 1606 *c = get_controller_command_byte(sc->kbdc); 1607 if ((*c == -1) 1608 || !set_controller_command_byte(sc->kbdc, 1609 kbdc_get_device_mask(sc->kbdc), 1610 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1611 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1612 /* this is CONTROLLER ERROR */ 1613 splx(s); 1614 kbdc_lock(sc->kbdc, FALSE); 1615 return EIO; 1616 } 1617 1618 /* 1619 * The device may be in the middle of status data transmission. 1620 * The transmission will be interrupted, thus, incomplete status 1621 * data must be discarded. Although the aux interrupt is disabled 1622 * at the keyboard controller level, at most one aux interrupt 1623 * may have already been pending and a data byte is in the 1624 * output buffer; throw it away. Note that the second argument 1625 * to `empty_aux_buffer()' is zero, so that the call will just 1626 * flush the internal queue. 1627 * `psmintr()' will be invoked after `splx()' if an interrupt is 1628 * pending; it will see no data and returns immediately. 1629 */ 1630 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1631 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1632 flushpackets(sc); 1633 splx(s); 1634 1635 return 0; 1636 } 1637 1638 static void 1639 dropqueue(struct psm_softc *sc) 1640 { 1641 1642 sc->queue.count = 0; 1643 sc->queue.head = 0; 1644 sc->queue.tail = 0; 1645 if ((sc->state & PSM_SOFTARMED) != 0) { 1646 sc->state &= ~PSM_SOFTARMED; 1647 untimeout(psmsoftintr, (void *)(uintptr_t)sc, sc->softcallout); 1648 } 1649 sc->pqueue_start = sc->pqueue_end; 1650 } 1651 1652 static void 1653 flushpackets(struct psm_softc *sc) 1654 { 1655 1656 dropqueue(sc); 1657 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1658 } 1659 1660 static int 1661 unblock_mouse_data(struct psm_softc *sc, int c) 1662 { 1663 int error = 0; 1664 1665 /* 1666 * We may have seen a part of status data during `set_mouse_XXX()'. 1667 * they have been queued; flush it. 1668 */ 1669 empty_aux_buffer(sc->kbdc, 0); 1670 1671 /* restore ports and interrupt */ 1672 if (!set_controller_command_byte(sc->kbdc, 1673 kbdc_get_device_mask(sc->kbdc), 1674 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1675 /* CONTROLLER ERROR; this is serious, we may have 1676 * been left with the inaccessible keyboard and 1677 * the disabled mouse interrupt. 1678 */ 1679 error = EIO; 1680 } 1681 1682 kbdc_lock(sc->kbdc, FALSE); 1683 return error; 1684 } 1685 1686 static int 1687 psmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1688 { 1689 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1690 mousemode_t mode; 1691 mousestatus_t status; 1692 #if (defined(MOUSE_GETVARS)) 1693 mousevar_t *var; 1694 #endif 1695 mousedata_t *data; 1696 int stat[3]; 1697 int command_byte; 1698 int error = 0; 1699 int s; 1700 1701 /* Perform IOCTL command */ 1702 switch (cmd) { 1703 1704 case OLD_MOUSE_GETHWINFO: 1705 s = spltty(); 1706 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1707 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1708 ((old_mousehw_t *)addr)->type = sc->hw.type; 1709 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1710 splx(s); 1711 break; 1712 1713 case MOUSE_GETHWINFO: 1714 s = spltty(); 1715 *(mousehw_t *)addr = sc->hw; 1716 if (sc->mode.level == PSM_LEVEL_BASE) 1717 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1718 splx(s); 1719 break; 1720 1721 case OLD_MOUSE_GETMODE: 1722 s = spltty(); 1723 switch (sc->mode.level) { 1724 case PSM_LEVEL_BASE: 1725 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1726 break; 1727 case PSM_LEVEL_STANDARD: 1728 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1729 break; 1730 case PSM_LEVEL_NATIVE: 1731 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1732 break; 1733 } 1734 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1735 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1736 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1737 splx(s); 1738 break; 1739 1740 case MOUSE_GETMODE: 1741 s = spltty(); 1742 *(mousemode_t *)addr = sc->mode; 1743 ((mousemode_t *)addr)->resolution = 1744 MOUSE_RES_LOW - sc->mode.resolution; 1745 switch (sc->mode.level) { 1746 case PSM_LEVEL_BASE: 1747 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1748 ((mousemode_t *)addr)->packetsize = MOUSE_PS2_PACKETSIZE; 1749 break; 1750 case PSM_LEVEL_STANDARD: 1751 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1752 ((mousemode_t *)addr)->packetsize = MOUSE_SYS_PACKETSIZE; 1753 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1754 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1755 break; 1756 case PSM_LEVEL_NATIVE: 1757 /* FIXME: this isn't quite correct... XXX */ 1758 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1759 break; 1760 } 1761 splx(s); 1762 break; 1763 1764 case OLD_MOUSE_SETMODE: 1765 case MOUSE_SETMODE: 1766 if (cmd == OLD_MOUSE_SETMODE) { 1767 mode.rate = ((old_mousemode_t *)addr)->rate; 1768 /* 1769 * resolution old I/F new I/F 1770 * default 0 0 1771 * low 1 -2 1772 * medium low 2 -3 1773 * medium high 3 -4 1774 * high 4 -5 1775 */ 1776 if (((old_mousemode_t *)addr)->resolution > 0) 1777 mode.resolution = -((old_mousemode_t *)addr)->resolution - 1; 1778 mode.accelfactor = ((old_mousemode_t *)addr)->accelfactor; 1779 mode.level = -1; 1780 } else { 1781 mode = *(mousemode_t *)addr; 1782 } 1783 1784 /* adjust and validate parameters. */ 1785 if (mode.rate > UCHAR_MAX) 1786 return EINVAL; 1787 if (mode.rate == 0) 1788 mode.rate = sc->dflt_mode.rate; 1789 else if (mode.rate == -1) 1790 /* don't change the current setting */ 1791 ; 1792 else if (mode.rate < 0) 1793 return EINVAL; 1794 if (mode.resolution >= UCHAR_MAX) 1795 return EINVAL; 1796 if (mode.resolution >= 200) 1797 mode.resolution = MOUSE_RES_HIGH; 1798 else if (mode.resolution >= 100) 1799 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1800 else if (mode.resolution >= 50) 1801 mode.resolution = MOUSE_RES_MEDIUMLOW; 1802 else if (mode.resolution > 0) 1803 mode.resolution = MOUSE_RES_LOW; 1804 if (mode.resolution == MOUSE_RES_DEFAULT) 1805 mode.resolution = sc->dflt_mode.resolution; 1806 else if (mode.resolution == -1) 1807 /* don't change the current setting */ 1808 ; 1809 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1810 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1811 if (mode.level == -1) 1812 /* don't change the current setting */ 1813 mode.level = sc->mode.level; 1814 else if ((mode.level < PSM_LEVEL_MIN) || (mode.level > PSM_LEVEL_MAX)) 1815 return EINVAL; 1816 if (mode.accelfactor == -1) 1817 /* don't change the current setting */ 1818 mode.accelfactor = sc->mode.accelfactor; 1819 else if (mode.accelfactor < 0) 1820 return EINVAL; 1821 1822 /* don't allow anybody to poll the keyboard controller */ 1823 error = block_mouse_data(sc, &command_byte); 1824 if (error) 1825 return error; 1826 1827 /* set mouse parameters */ 1828 if (mode.rate > 0) 1829 mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1830 if (mode.resolution >= 0) 1831 mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1832 set_mouse_scaling(sc->kbdc, 1); 1833 get_mouse_status(sc->kbdc, stat, 0, 3); 1834 1835 s = spltty(); 1836 sc->mode.rate = mode.rate; 1837 sc->mode.resolution = mode.resolution; 1838 sc->mode.accelfactor = mode.accelfactor; 1839 sc->mode.level = mode.level; 1840 splx(s); 1841 1842 unblock_mouse_data(sc, command_byte); 1843 break; 1844 1845 case MOUSE_GETLEVEL: 1846 *(int *)addr = sc->mode.level; 1847 break; 1848 1849 case MOUSE_SETLEVEL: 1850 if ((*(int *)addr < PSM_LEVEL_MIN) || (*(int *)addr > PSM_LEVEL_MAX)) 1851 return EINVAL; 1852 sc->mode.level = *(int *)addr; 1853 break; 1854 1855 case MOUSE_GETSTATUS: 1856 s = spltty(); 1857 status = sc->status; 1858 sc->status.flags = 0; 1859 sc->status.obutton = sc->status.button; 1860 sc->status.button = 0; 1861 sc->status.dx = 0; 1862 sc->status.dy = 0; 1863 sc->status.dz = 0; 1864 splx(s); 1865 *(mousestatus_t *)addr = status; 1866 break; 1867 1868 #if (defined(MOUSE_GETVARS)) 1869 case MOUSE_GETVARS: 1870 var = (mousevar_t *)addr; 1871 bzero(var, sizeof(*var)); 1872 s = spltty(); 1873 var->var[0] = MOUSE_VARS_PS2_SIG; 1874 var->var[1] = sc->config; 1875 var->var[2] = sc->flags; 1876 splx(s); 1877 break; 1878 1879 case MOUSE_SETVARS: 1880 return ENODEV; 1881 #endif /* MOUSE_GETVARS */ 1882 1883 case MOUSE_READSTATE: 1884 case MOUSE_READDATA: 1885 data = (mousedata_t *)addr; 1886 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 1887 return EINVAL; 1888 1889 error = block_mouse_data(sc, &command_byte); 1890 if (error) 1891 return error; 1892 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 1893 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 1894 error = EIO; 1895 unblock_mouse_data(sc, command_byte); 1896 break; 1897 1898 #if (defined(MOUSE_SETRESOLUTION)) 1899 case MOUSE_SETRESOLUTION: 1900 mode.resolution = *(int *)addr; 1901 if (mode.resolution >= UCHAR_MAX) 1902 return EINVAL; 1903 else if (mode.resolution >= 200) 1904 mode.resolution = MOUSE_RES_HIGH; 1905 else if (mode.resolution >= 100) 1906 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1907 else if (mode.resolution >= 50) 1908 mode.resolution = MOUSE_RES_MEDIUMLOW; 1909 else if (mode.resolution > 0) 1910 mode.resolution = MOUSE_RES_LOW; 1911 if (mode.resolution == MOUSE_RES_DEFAULT) 1912 mode.resolution = sc->dflt_mode.resolution; 1913 else if (mode.resolution == -1) 1914 mode.resolution = sc->mode.resolution; 1915 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1916 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1917 1918 error = block_mouse_data(sc, &command_byte); 1919 if (error) 1920 return error; 1921 sc->mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1922 if (sc->mode.resolution != mode.resolution) 1923 error = EIO; 1924 unblock_mouse_data(sc, command_byte); 1925 break; 1926 #endif /* MOUSE_SETRESOLUTION */ 1927 1928 #if (defined(MOUSE_SETRATE)) 1929 case MOUSE_SETRATE: 1930 mode.rate = *(int *)addr; 1931 if (mode.rate > UCHAR_MAX) 1932 return EINVAL; 1933 if (mode.rate == 0) 1934 mode.rate = sc->dflt_mode.rate; 1935 else if (mode.rate < 0) 1936 mode.rate = sc->mode.rate; 1937 1938 error = block_mouse_data(sc, &command_byte); 1939 if (error) 1940 return error; 1941 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1942 if (sc->mode.rate != mode.rate) 1943 error = EIO; 1944 unblock_mouse_data(sc, command_byte); 1945 break; 1946 #endif /* MOUSE_SETRATE */ 1947 1948 #if (defined(MOUSE_SETSCALING)) 1949 case MOUSE_SETSCALING: 1950 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 1951 return EINVAL; 1952 1953 error = block_mouse_data(sc, &command_byte); 1954 if (error) 1955 return error; 1956 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 1957 error = EIO; 1958 unblock_mouse_data(sc, command_byte); 1959 break; 1960 #endif /* MOUSE_SETSCALING */ 1961 1962 #if (defined(MOUSE_GETHWID)) 1963 case MOUSE_GETHWID: 1964 error = block_mouse_data(sc, &command_byte); 1965 if (error) 1966 return error; 1967 sc->hw.hwid &= ~0x00ff; 1968 sc->hw.hwid |= get_aux_id(sc->kbdc); 1969 *(int *)addr = sc->hw.hwid & 0x00ff; 1970 unblock_mouse_data(sc, command_byte); 1971 break; 1972 #endif /* MOUSE_GETHWID */ 1973 1974 default: 1975 return ENOTTY; 1976 } 1977 1978 return error; 1979 } 1980 1981 static void 1982 psmtimeout(void *arg) 1983 { 1984 struct psm_softc *sc; 1985 int s; 1986 1987 sc = (struct psm_softc *)arg; 1988 s = spltty(); 1989 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 1990 if (verbose >= 4) 1991 log(LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit); 1992 psmintr(sc); 1993 kbdc_lock(sc->kbdc, FALSE); 1994 } 1995 sc->watchdog = TRUE; 1996 splx(s); 1997 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz); 1998 } 1999 2000 static int psmhz = 20; 2001 SYSCTL_INT(_debug, OID_AUTO, psmhz, CTLFLAG_RW, &psmhz, 0, ""); 2002 2003 static int psm_soft_timeout = 500000; /* 0.5 sec */ 2004 SYSCTL_INT(_debug, OID_AUTO, psm_soft_timeout, CTLFLAG_RW, 2005 &psm_soft_timeout, 0, ""); 2006 2007 static int psmerrsecs = 2; 2008 SYSCTL_INT(_debug, OID_AUTO, psmerrsecs, CTLFLAG_RW, &psmerrsecs, 0, ""); 2009 static int psmerrusecs = 0; 2010 SYSCTL_INT(_debug, OID_AUTO, psmerrusecs, CTLFLAG_RW, &psmerrusecs, 0, ""); 2011 static int psmsecs = 0; 2012 SYSCTL_INT(_debug, OID_AUTO, psmsecs, CTLFLAG_RW, &psmsecs, 0, ""); 2013 static int psmusecs = 500000; 2014 SYSCTL_INT(_debug, OID_AUTO, psmusecs, CTLFLAG_RW, &psmusecs, 0, ""); 2015 2016 static void 2017 psmintr(void *arg) 2018 { 2019 struct psm_softc *sc = arg; 2020 struct timeval now; 2021 int c; 2022 packetbuf_t *pb; 2023 int haderror = 0; 2024 2025 2026 /* read until there is nothing to read */ 2027 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2028 2029 pb = &sc->pqueue[sc->pqueue_end]; 2030 /* discard the byte if the device is not open */ 2031 if ((sc->state & PSM_OPEN) == 0) 2032 continue; 2033 2034 getmicrouptime(&now); 2035 if ((pb->inputbytes > 0) && timevalcmp(&now, &sc->inputtimeout, >)) { 2036 log(LOG_DEBUG, "psmintr: delay too long; resetting byte count\n"); 2037 pb->inputbytes = 0; 2038 sc->syncerrors = 0; 2039 } 2040 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT/1000000; 2041 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT%1000000; 2042 timevaladd(&sc->inputtimeout, &now); 2043 2044 pb->ipacket[pb->inputbytes++] = c; 2045 if (pb->inputbytes < sc->mode.packetsize) 2046 continue; 2047 2048 #if 0 2049 log(LOG_DEBUG, "psmintr: %02x %02x %02x %02x %02x %02x\n", 2050 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2051 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5]); 2052 #endif 2053 2054 c = pb->ipacket[0]; 2055 2056 if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2057 log(LOG_DEBUG, "psmintr: out of sync (%04x != %04x) %d" 2058 " cmds since last error.\n", 2059 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2060 sc->cmdcount - sc->lasterr); 2061 haderror = 1; 2062 sc->lasterr = sc->cmdcount; 2063 dropqueue(sc); 2064 ++sc->syncerrors; 2065 sc->lastinputerr = now; 2066 if (sc->syncerrors < sc->mode.packetsize) { 2067 log(LOG_DEBUG, "psmintr: discard a byte (%d).\n", sc->syncerrors); 2068 --pb->inputbytes; 2069 bcopy(&pb->ipacket[1], &pb->ipacket[0], pb->inputbytes); 2070 } else if (sc->syncerrors == sc->mode.packetsize) { 2071 log(LOG_DEBUG, "psmintr: re-enable the mouse.\n"); 2072 pb->inputbytes = 0; 2073 disable_aux_dev(sc->kbdc); 2074 enable_aux_dev(sc->kbdc); 2075 } else if (sc->syncerrors < PSM_SYNCERR_THRESHOLD1) { 2076 log(LOG_DEBUG, "psmintr: discard a byte (%d).\n", sc->syncerrors); 2077 --pb->inputbytes; 2078 bcopy(&pb->ipacket[1], &pb->ipacket[0], pb->inputbytes); 2079 } else if (sc->syncerrors >= PSM_SYNCERR_THRESHOLD1) { 2080 log(LOG_DEBUG, "psmintr: reset the mouse.\n"); 2081 reinitialize(sc, TRUE); 2082 } 2083 continue; 2084 } 2085 /* if this packet is at all bogus then drop the packet. */ 2086 if (haderror || 2087 !timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, &now)) { 2088 pb->inputbytes = 0; 2089 haderror = 0; 2090 continue; 2091 } 2092 2093 sc->cmdcount++; 2094 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2095 sc->pqueue_end = 0; 2096 /* 2097 * If we've filled the queue then call the softintr ourselves, 2098 * otherwise schedule the interrupt for later. 2099 */ 2100 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2101 (sc->pqueue_end == sc->pqueue_start)) { 2102 if ((sc->state & PSM_SOFTARMED) != 0) { 2103 sc->state &= ~PSM_SOFTARMED; 2104 untimeout(psmsoftintr, arg, sc->softcallout); 2105 } 2106 psmsoftintr(arg); 2107 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2108 sc->state |= PSM_SOFTARMED; 2109 sc->softcallout = timeout(psmsoftintr, arg, 2110 psmhz < 1 ? 1 : (hz/psmhz)); 2111 } 2112 } 2113 } 2114 2115 static void 2116 psmsoftintr(void *arg) 2117 { 2118 /* 2119 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 2120 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 2121 */ 2122 static int butmap[8] = { 2123 0, 2124 MOUSE_BUTTON1DOWN, 2125 MOUSE_BUTTON3DOWN, 2126 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 2127 MOUSE_BUTTON2DOWN, 2128 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 2129 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 2130 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 2131 }; 2132 static int butmap_versapad[8] = { 2133 0, 2134 MOUSE_BUTTON3DOWN, 2135 0, 2136 MOUSE_BUTTON3DOWN, 2137 MOUSE_BUTTON1DOWN, 2138 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 2139 MOUSE_BUTTON1DOWN, 2140 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 2141 }; 2142 register struct psm_softc *sc = arg; 2143 mousestatus_t ms; 2144 int x, y, z; 2145 int c; 2146 int l; 2147 int x0, y0; 2148 int s; 2149 packetbuf_t *pb; 2150 2151 getmicrouptime(&sc->lastsoftintr); 2152 2153 s = spltty(); 2154 2155 do { 2156 2157 pb = &sc->pqueue[sc->pqueue_start]; 2158 c = pb->ipacket[0]; 2159 /* 2160 * A kludge for Kensington device! 2161 * The MSB of the horizontal count appears to be stored in 2162 * a strange place. 2163 */ 2164 if (sc->hw.model == MOUSE_MODEL_THINK) 2165 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 2166 2167 /* ignore the overflow bits... */ 2168 x = (c & MOUSE_PS2_XNEG) ? pb->ipacket[1] - 256 : pb->ipacket[1]; 2169 y = (c & MOUSE_PS2_YNEG) ? pb->ipacket[2] - 256 : pb->ipacket[2]; 2170 z = 0; 2171 ms.obutton = sc->button; /* previous button state */ 2172 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 2173 /* `tapping' action */ 2174 if (sc->config & PSM_CONFIG_FORCETAP) 2175 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 2176 2177 switch (sc->hw.model) { 2178 2179 case MOUSE_MODEL_EXPLORER: 2180 /* 2181 * b7 b6 b5 b4 b3 b2 b1 b0 2182 * byte 1: oy ox sy sx 1 M R L 2183 * byte 2: x x x x x x x x 2184 * byte 3: y y y y y y y y 2185 * byte 4: * * S2 S1 s d2 d1 d0 2186 * 2187 * L, M, R, S1, S2: left, middle, right and side buttons 2188 * s: wheel data sign bit 2189 * d2-d0: wheel data 2190 */ 2191 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) 2192 ? (pb->ipacket[3] & 0x0f) - 16 : (pb->ipacket[3] & 0x0f); 2193 ms.button |= (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) 2194 ? MOUSE_BUTTON4DOWN : 0; 2195 ms.button |= (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) 2196 ? MOUSE_BUTTON5DOWN : 0; 2197 break; 2198 2199 case MOUSE_MODEL_INTELLI: 2200 case MOUSE_MODEL_NET: 2201 /* wheel data is in the fourth byte */ 2202 z = (char)pb->ipacket[3]; 2203 /* some mice may send 7 when there is no Z movement?! XXX */ 2204 if ((z >= 7) || (z <= -7)) 2205 z = 0; 2206 /* some compatible mice have additional buttons */ 2207 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) 2208 ? MOUSE_BUTTON4DOWN : 0; 2209 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) 2210 ? MOUSE_BUTTON5DOWN : 0; 2211 break; 2212 2213 case MOUSE_MODEL_MOUSEMANPLUS: 2214 /* 2215 * PS2++ protocl packet 2216 * 2217 * b7 b6 b5 b4 b3 b2 b1 b0 2218 * byte 1: * 1 p3 p2 1 * * * 2219 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2220 * 2221 * p3-p0: packet type 2222 * c1, c2: c1 & c2 == 1, if p2 == 0 2223 * c1 & c2 == 0, if p2 == 1 2224 * 2225 * packet type: 0 (device type) 2226 * See comments in enable_mmanplus() below. 2227 * 2228 * packet type: 1 (wheel data) 2229 * 2230 * b7 b6 b5 b4 b3 b2 b1 b0 2231 * byte 3: h * B5 B4 s d2 d1 d0 2232 * 2233 * h: 1, if horizontal roller data 2234 * 0, if vertical roller data 2235 * B4, B5: button 4 and 5 2236 * s: sign bit 2237 * d2-d0: roller data 2238 * 2239 * packet type: 2 (reserved) 2240 */ 2241 if (((c & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) 2242 && (abs(x) > 191) 2243 && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2244 /* the extended data packet encodes button and wheel events */ 2245 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2246 case 1: 2247 /* wheel data packet */ 2248 x = y = 0; 2249 if (pb->ipacket[2] & 0x80) { 2250 /* horizontal roller count - ignore it XXX*/ 2251 } else { 2252 /* vertical roller count */ 2253 z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) 2254 ? (pb->ipacket[2] & 0x0f) - 16 2255 : (pb->ipacket[2] & 0x0f); 2256 } 2257 ms.button |= (pb->ipacket[2] & MOUSE_PS2PLUS_BUTTON4DOWN) 2258 ? MOUSE_BUTTON4DOWN : 0; 2259 ms.button |= (pb->ipacket[2] & MOUSE_PS2PLUS_BUTTON5DOWN) 2260 ? MOUSE_BUTTON5DOWN : 0; 2261 break; 2262 case 2: 2263 /* this packet type is reserved by Logitech... */ 2264 /* 2265 * IBM ScrollPoint Mouse uses this packet type to 2266 * encode both vertical and horizontal scroll movement. 2267 */ 2268 x = y = 0; 2269 /* horizontal count */ 2270 if (pb->ipacket[2] & 0x0f) 2271 z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? -2 : 2; 2272 /* vertical count */ 2273 if (pb->ipacket[2] & 0xf0) 2274 z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? -1 : 1; 2275 #if 0 2276 /* vertical count */ 2277 z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) 2278 ? ((pb->ipacket[2] >> 4) & 0x0f) - 16 2279 : ((pb->ipacket[2] >> 4) & 0x0f); 2280 /* horizontal count */ 2281 w = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) 2282 ? (pb->ipacket[2] & 0x0f) - 16 2283 : (pb->ipacket[2] & 0x0f); 2284 #endif 2285 break; 2286 case 0: 2287 /* device type packet - shouldn't happen */ 2288 /* FALLTHROUGH */ 2289 default: 2290 x = y = 0; 2291 ms.button = ms.obutton; 2292 if (bootverbose) 2293 log(LOG_DEBUG, "psmintr: unknown PS2++ packet type %d: " 2294 "0x%02x 0x%02x 0x%02x\n", 2295 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2296 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2]); 2297 break; 2298 } 2299 } else { 2300 /* preserve button states */ 2301 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2302 } 2303 break; 2304 2305 case MOUSE_MODEL_GLIDEPOINT: 2306 /* `tapping' action */ 2307 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 2308 break; 2309 2310 case MOUSE_MODEL_NETSCROLL: 2311 /* three addtional bytes encode buttons and wheel events */ 2312 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) 2313 ? MOUSE_BUTTON4DOWN : 0; 2314 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) 2315 ? MOUSE_BUTTON5DOWN : 0; 2316 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) 2317 ? pb->ipacket[4] - 256 : pb->ipacket[4]; 2318 break; 2319 2320 case MOUSE_MODEL_THINK: 2321 /* the fourth button state in the first byte */ 2322 ms.button |= (c & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0; 2323 break; 2324 2325 case MOUSE_MODEL_VERSAPAD: 2326 /* VersaPad PS/2 absolute mode message format 2327 * 2328 * [packet1] 7 6 5 4 3 2 1 0(LSB) 2329 * ipacket[0]: 1 1 0 A 1 L T R 2330 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 2331 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 2332 * ipacket[3]: 1 1 1 A 1 L T R 2333 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 2334 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 2335 * 2336 * [note] 2337 * R: right physical mouse button (1=on) 2338 * T: touch pad virtual button (1=tapping) 2339 * L: left physical mouse button (1=on) 2340 * A: position data is valid (1=valid) 2341 * H: horizontal data (12bit signed integer. H11 is sign bit.) 2342 * V: vertical data (12bit signed integer. V11 is sign bit.) 2343 * P: pressure data 2344 * 2345 * Tapping is mapped to MOUSE_BUTTON4. 2346 */ 2347 ms.button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 2348 ms.button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 2349 x = y = 0; 2350 if (c & MOUSE_PS2VERSA_IN_USE) { 2351 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 2352 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 2353 if (x0 & 0x800) 2354 x0 -= 0x1000; 2355 if (y0 & 0x800) 2356 y0 -= 0x1000; 2357 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2358 x = sc->xold - x0; 2359 y = y0 - sc->yold; 2360 if (x < 0) /* XXX */ 2361 x++; 2362 else if (x) 2363 x--; 2364 if (y < 0) 2365 y++; 2366 else if (y) 2367 y--; 2368 } else { 2369 sc->flags |= PSM_FLAGS_FINGERDOWN; 2370 } 2371 sc->xold = x0; 2372 sc->yold = y0; 2373 } else { 2374 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2375 } 2376 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) 2377 | ((y < 0) ? MOUSE_PS2_YNEG : 0); 2378 break; 2379 2380 case MOUSE_MODEL_4D: 2381 /* 2382 * b7 b6 b5 b4 b3 b2 b1 b0 2383 * byte 1: s2 d2 s1 d1 1 M R L 2384 * byte 2: sx x x x x x x x 2385 * byte 3: sy y y y y y y y 2386 * 2387 * s1: wheel 1 direction 2388 * d1: wheel 1 data 2389 * s2: wheel 2 direction 2390 * d2: wheel 2 data 2391 */ 2392 x = (pb->ipacket[1] & 0x80) ? pb->ipacket[1] - 256 : pb->ipacket[1]; 2393 y = (pb->ipacket[2] & 0x80) ? pb->ipacket[2] - 256 : pb->ipacket[2]; 2394 switch (c & MOUSE_4D_WHEELBITS) { 2395 case 0x10: 2396 z = 1; 2397 break; 2398 case 0x30: 2399 z = -1; 2400 break; 2401 case 0x40: /* 2nd wheel turning right XXX */ 2402 z = 2; 2403 break; 2404 case 0xc0: /* 2nd wheel turning left XXX */ 2405 z = -2; 2406 break; 2407 } 2408 break; 2409 2410 case MOUSE_MODEL_4DPLUS: 2411 if ((x < 16 - 256) && (y < 16 - 256)) { 2412 /* 2413 * b7 b6 b5 b4 b3 b2 b1 b0 2414 * byte 1: 0 0 1 1 1 M R L 2415 * byte 2: 0 0 0 0 1 0 0 0 2416 * byte 3: 0 0 0 0 S s d1 d0 2417 * 2418 * L, M, R, S: left, middle, right and side buttons 2419 * s: wheel data sign bit 2420 * d1-d0: wheel data 2421 */ 2422 x = y = 0; 2423 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 2424 ms.button |= MOUSE_BUTTON4DOWN; 2425 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) 2426 ? ((pb->ipacket[2] & 0x07) - 8) 2427 : (pb->ipacket[2] & 0x07) ; 2428 } else { 2429 /* preserve previous button states */ 2430 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2431 } 2432 break; 2433 2434 case MOUSE_MODEL_GENERIC: 2435 default: 2436 break; 2437 } 2438 2439 /* scale values */ 2440 if (sc->mode.accelfactor >= 1) { 2441 if (x != 0) { 2442 x = x * x / sc->mode.accelfactor; 2443 if (x == 0) 2444 x = 1; 2445 if (c & MOUSE_PS2_XNEG) 2446 x = -x; 2447 } 2448 if (y != 0) { 2449 y = y * y / sc->mode.accelfactor; 2450 if (y == 0) 2451 y = 1; 2452 if (c & MOUSE_PS2_YNEG) 2453 y = -y; 2454 } 2455 } 2456 2457 ms.dx = x; 2458 ms.dy = y; 2459 ms.dz = z; 2460 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) 2461 | (ms.obutton ^ ms.button); 2462 2463 if (sc->mode.level < PSM_LEVEL_NATIVE) 2464 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 2465 2466 sc->status.flags |= ms.flags; 2467 sc->status.dx += ms.dx; 2468 sc->status.dy += ms.dy; 2469 sc->status.dz += ms.dz; 2470 sc->status.button = ms.button; 2471 sc->button = ms.button; 2472 2473 sc->watchdog = FALSE; 2474 2475 /* queue data */ 2476 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 2477 l = imin(pb->inputbytes, sizeof(sc->queue.buf) - sc->queue.tail); 2478 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 2479 if (pb->inputbytes > l) 2480 bcopy(&pb->ipacket[l], &sc->queue.buf[0], pb->inputbytes - l); 2481 sc->queue.tail = 2482 (sc->queue.tail + pb->inputbytes) % sizeof(sc->queue.buf); 2483 sc->queue.count += pb->inputbytes; 2484 } 2485 pb->inputbytes = 0; 2486 2487 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 2488 sc->pqueue_start = 0; 2489 } while (sc->pqueue_start != sc->pqueue_end); 2490 if (sc->state & PSM_ASLP) { 2491 sc->state &= ~PSM_ASLP; 2492 wakeup( sc); 2493 } 2494 selwakeuppri(&sc->rsel, PZERO); 2495 sc->state &= ~PSM_SOFTARMED; 2496 splx(s); 2497 } 2498 2499 static int 2500 psmpoll(dev_t dev, int events, struct thread *td) 2501 { 2502 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 2503 int s; 2504 int revents = 0; 2505 2506 /* Return true if a mouse event available */ 2507 s = spltty(); 2508 if (events & (POLLIN | POLLRDNORM)) { 2509 if (sc->queue.count > 0) 2510 revents |= events & (POLLIN | POLLRDNORM); 2511 else 2512 selrecord(td, &sc->rsel); 2513 } 2514 splx(s); 2515 2516 return (revents); 2517 } 2518 2519 /* vendor/model specific routines */ 2520 2521 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 2522 { 2523 if (set_mouse_resolution(kbdc, res) != res) 2524 return FALSE; 2525 if (set_mouse_scaling(kbdc, scale) 2526 && set_mouse_scaling(kbdc, scale) 2527 && set_mouse_scaling(kbdc, scale) 2528 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) 2529 return TRUE; 2530 return FALSE; 2531 } 2532 2533 static int 2534 mouse_ext_command(KBDC kbdc, int command) 2535 { 2536 int c; 2537 2538 c = (command >> 6) & 0x03; 2539 if (set_mouse_resolution(kbdc, c) != c) 2540 return FALSE; 2541 c = (command >> 4) & 0x03; 2542 if (set_mouse_resolution(kbdc, c) != c) 2543 return FALSE; 2544 c = (command >> 2) & 0x03; 2545 if (set_mouse_resolution(kbdc, c) != c) 2546 return FALSE; 2547 c = (command >> 0) & 0x03; 2548 if (set_mouse_resolution(kbdc, c) != c) 2549 return FALSE; 2550 return TRUE; 2551 } 2552 2553 #if notyet 2554 /* Logitech MouseMan Cordless II */ 2555 static int 2556 enable_lcordless(struct psm_softc *sc) 2557 { 2558 int status[3]; 2559 int ch; 2560 2561 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 2562 return FALSE; 2563 if (status[1] == PSMD_RES_HIGH) 2564 return FALSE; 2565 ch = (status[0] & 0x07) - 1; /* channel # */ 2566 if ((ch <= 0) || (ch > 4)) 2567 return FALSE; 2568 /* 2569 * status[1]: always one? 2570 * status[2]: battery status? (0-100) 2571 */ 2572 return TRUE; 2573 } 2574 #endif /* notyet */ 2575 2576 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 2577 static int 2578 enable_groller(struct psm_softc *sc) 2579 { 2580 int status[3]; 2581 2582 /* 2583 * The special sequence to enable the fourth button and the 2584 * roller. Immediately after this sequence check status bytes. 2585 * if the mouse is NetScroll, the second and the third bytes are 2586 * '3' and 'D'. 2587 */ 2588 2589 /* 2590 * If the mouse is an ordinary PS/2 mouse, the status bytes should 2591 * look like the following. 2592 * 2593 * byte 1 bit 7 always 0 2594 * bit 6 stream mode (0) 2595 * bit 5 disabled (0) 2596 * bit 4 1:1 scaling (0) 2597 * bit 3 always 0 2598 * bit 0-2 button status 2599 * byte 2 resolution (PSMD_RES_HIGH) 2600 * byte 3 report rate (?) 2601 */ 2602 2603 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2604 return FALSE; 2605 if ((status[1] != '3') || (status[2] != 'D')) 2606 return FALSE; 2607 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 2608 sc->hw.buttons = 4; 2609 return TRUE; 2610 } 2611 2612 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 2613 static int 2614 enable_gmouse(struct psm_softc *sc) 2615 { 2616 int status[3]; 2617 2618 /* 2619 * The special sequence to enable the middle, "rubber" button. 2620 * Immediately after this sequence check status bytes. 2621 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 2622 * the second and the third bytes are '3' and 'U'. 2623 * NOTE: NetMouse reports that it has three buttons although it has 2624 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 2625 * say they have three buttons too and they do have a button on the 2626 * side... 2627 */ 2628 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2629 return FALSE; 2630 if ((status[1] != '3') || (status[2] != 'U')) 2631 return FALSE; 2632 return TRUE; 2633 } 2634 2635 /* ALPS GlidePoint */ 2636 static int 2637 enable_aglide(struct psm_softc *sc) 2638 { 2639 int status[3]; 2640 2641 /* 2642 * The special sequence to obtain ALPS GlidePoint specific 2643 * information. Immediately after this sequence, status bytes will 2644 * contain something interesting. 2645 * NOTE: ALPS produces several models of GlidePoint. Some of those 2646 * do not respond to this sequence, thus, cannot be detected this way. 2647 */ 2648 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 2649 return FALSE; 2650 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 2651 return FALSE; 2652 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 2653 return FALSE; 2654 return TRUE; 2655 } 2656 2657 /* Kensington ThinkingMouse/Trackball */ 2658 static int 2659 enable_kmouse(struct psm_softc *sc) 2660 { 2661 static unsigned char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 2662 KBDC kbdc = sc->kbdc; 2663 int status[3]; 2664 int id1; 2665 int id2; 2666 int i; 2667 2668 id1 = get_aux_id(kbdc); 2669 if (set_mouse_sampling_rate(kbdc, 10) != 10) 2670 return FALSE; 2671 /* 2672 * The device is now in the native mode? It returns a different 2673 * ID value... 2674 */ 2675 id2 = get_aux_id(kbdc); 2676 if ((id1 == id2) || (id2 != 2)) 2677 return FALSE; 2678 2679 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 2680 return FALSE; 2681 #if PSM_DEBUG >= 2 2682 /* at this point, resolution is LOW, sampling rate is 10/sec */ 2683 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2684 return FALSE; 2685 #endif 2686 2687 /* 2688 * The special sequence to enable the third and fourth buttons. 2689 * Otherwise they behave like the first and second buttons. 2690 */ 2691 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2692 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2693 return FALSE; 2694 } 2695 2696 /* 2697 * At this point, the device is using default resolution and 2698 * sampling rate for the native mode. 2699 */ 2700 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2701 return FALSE; 2702 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 2703 return FALSE; 2704 2705 /* the device appears be enabled by this sequence, diable it for now */ 2706 disable_aux_dev(kbdc); 2707 empty_aux_buffer(kbdc, 5); 2708 2709 return TRUE; 2710 } 2711 2712 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 2713 static int 2714 enable_mmanplus(struct psm_softc *sc) 2715 { 2716 KBDC kbdc = sc->kbdc; 2717 int data[3]; 2718 2719 /* the special sequence to enable the fourth button and the roller. */ 2720 /* 2721 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 2722 * must be called exactly three times since the last RESET command 2723 * before this sequence. XXX 2724 */ 2725 if (!set_mouse_scaling(kbdc, 1)) 2726 return FALSE; 2727 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 2728 return FALSE; 2729 if (get_mouse_status(kbdc, data, 1, 3) < 3) 2730 return FALSE; 2731 2732 /* 2733 * PS2++ protocl, packet type 0 2734 * 2735 * b7 b6 b5 b4 b3 b2 b1 b0 2736 * byte 1: * 1 p3 p2 1 * * * 2737 * byte 2: 1 1 p1 p0 m1 m0 1 0 2738 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 2739 * 2740 * p3-p0: packet type: 0 2741 * m7-m0: model ID: MouseMan+:0x50, FirstMouse+:0x51, ScrollPoint:0x58... 2742 */ 2743 /* check constant bits */ 2744 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 2745 return FALSE; 2746 if ((data[1] & 0xc3) != 0xc2) 2747 return FALSE; 2748 /* check d3-d0 in byte 2 */ 2749 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 2750 return FALSE; 2751 /* check p3-p0 */ 2752 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 2753 return FALSE; 2754 2755 sc->hw.hwid &= 0x00ff; 2756 sc->hw.hwid |= data[2] << 8; /* save model ID */ 2757 2758 /* 2759 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 2760 * the wheel and the fourth button events are encoded in the 2761 * special data packet. The mouse may be put in the IntelliMouse mode 2762 * if it is initialized by the IntelliMouse's method. 2763 */ 2764 return TRUE; 2765 } 2766 2767 /* MS IntelliMouse Explorer */ 2768 static int 2769 enable_msexplorer(struct psm_softc *sc) 2770 { 2771 static unsigned char rate0[] = { 200, 100, 80, }; 2772 static unsigned char rate1[] = { 200, 200, 80, }; 2773 KBDC kbdc = sc->kbdc; 2774 int id; 2775 int i; 2776 2777 /* the special sequence to enable the extra buttons and the roller. */ 2778 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) { 2779 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 2780 return FALSE; 2781 } 2782 /* the device will give the genuine ID only after the above sequence */ 2783 id = get_aux_id(kbdc); 2784 if (id != PSM_EXPLORER_ID) 2785 return FALSE; 2786 2787 sc->hw.hwid = id; 2788 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 2789 2790 /* 2791 * XXX: this is a kludge to fool some KVM switch products 2792 * which think they are clever enough to know the 4-byte IntelliMouse 2793 * protocol, and assume any other protocols use 3-byte packets. 2794 * They don't convey 4-byte data packets from the IntelliMouse Explorer 2795 * correctly to the host computer because of this! 2796 * The following sequence is actually IntelliMouse's "wake up" 2797 * sequence; it will make the KVM think the mouse is IntelliMouse 2798 * when it is in fact IntelliMouse Explorer. 2799 */ 2800 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) { 2801 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 2802 break; 2803 } 2804 id = get_aux_id(kbdc); 2805 2806 return TRUE; 2807 } 2808 2809 /* MS IntelliMouse */ 2810 static int 2811 enable_msintelli(struct psm_softc *sc) 2812 { 2813 /* 2814 * Logitech MouseMan+ and FirstMouse+ will also respond to this 2815 * probe routine and act like IntelliMouse. 2816 */ 2817 2818 static unsigned char rate[] = { 200, 100, 80, }; 2819 KBDC kbdc = sc->kbdc; 2820 int id; 2821 int i; 2822 2823 /* the special sequence to enable the third button and the roller. */ 2824 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2825 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2826 return FALSE; 2827 } 2828 /* the device will give the genuine ID only after the above sequence */ 2829 id = get_aux_id(kbdc); 2830 if (id != PSM_INTELLI_ID) 2831 return FALSE; 2832 2833 sc->hw.hwid = id; 2834 sc->hw.buttons = 3; 2835 2836 return TRUE; 2837 } 2838 2839 /* A4 Tech 4D Mouse */ 2840 static int 2841 enable_4dmouse(struct psm_softc *sc) 2842 { 2843 /* 2844 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 2845 */ 2846 2847 static unsigned char rate[] = { 200, 100, 80, 60, 40, 20 }; 2848 KBDC kbdc = sc->kbdc; 2849 int id; 2850 int i; 2851 2852 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2853 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2854 return FALSE; 2855 } 2856 id = get_aux_id(kbdc); 2857 /* 2858 * WinEasy 4D, 4 Way Scroll 4D: 6 2859 * Cable-Free 4D: 8 (4DPLUS) 2860 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 2861 */ 2862 if (id != PSM_4DMOUSE_ID) 2863 return FALSE; 2864 2865 sc->hw.hwid = id; 2866 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 2867 2868 return TRUE; 2869 } 2870 2871 /* A4 Tech 4D+ Mouse */ 2872 static int 2873 enable_4dplus(struct psm_softc *sc) 2874 { 2875 /* 2876 * Newer wheel mice from A4 Tech seem to use this protocol. 2877 * Older models are recognized as either 4D Mouse or IntelliMouse. 2878 */ 2879 KBDC kbdc = sc->kbdc; 2880 int id; 2881 2882 /* 2883 * enable_4dmouse() already issued the following ID sequence... 2884 static unsigned char rate[] = { 200, 100, 80, 60, 40, 20 }; 2885 int i; 2886 2887 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2888 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2889 return FALSE; 2890 } 2891 */ 2892 2893 id = get_aux_id(kbdc); 2894 switch (id) { 2895 case PSM_4DPLUS_ID: 2896 sc->hw.buttons = 4; 2897 break; 2898 case PSM_4DPLUS_RFSW35_ID: 2899 sc->hw.buttons = 3; 2900 break; 2901 default: 2902 return FALSE; 2903 } 2904 2905 sc->hw.hwid = id; 2906 2907 return TRUE; 2908 } 2909 2910 /* Interlink electronics VersaPad */ 2911 static int 2912 enable_versapad(struct psm_softc *sc) 2913 { 2914 KBDC kbdc = sc->kbdc; 2915 int data[3]; 2916 2917 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 2918 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 2919 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2920 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2921 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2922 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2923 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 2924 return FALSE; 2925 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 2926 return FALSE; 2927 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2928 2929 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 2930 2931 return TRUE; /* PS/2 absolute mode */ 2932 } 2933 2934 static int 2935 psmresume(device_t dev) 2936 { 2937 struct psm_softc *sc = device_get_softc(dev); 2938 int unit = device_get_unit(dev); 2939 int err; 2940 2941 if (verbose >= 2) 2942 log(LOG_NOTICE, "psm%d: system resume hook called.\n", unit); 2943 2944 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 2945 return (0); 2946 2947 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 2948 2949 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 2950 /* 2951 * Release the blocked process; it must be notified that the device 2952 * cannot be accessed anymore. 2953 */ 2954 sc->state &= ~PSM_ASLP; 2955 wakeup(sc); 2956 } 2957 2958 if (verbose >= 2) 2959 log(LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit); 2960 2961 return (err); 2962 } 2963 2964 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 2965 2966 /* 2967 * This sucks up assignments from PNPBIOS and ACPI. 2968 */ 2969 2970 /* 2971 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 2972 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 2973 * can be probed and attached only after the AT keyboard controller is 2974 * attached, we shall quietly reserve the IRQ resource for later use. 2975 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 2976 * copy the IRQ resource to the PS/2 mouse device instance hanging 2977 * under the keyboard controller, then probe and attach it. 2978 */ 2979 2980 static devclass_t psmcpnp_devclass; 2981 2982 static device_probe_t psmcpnp_probe; 2983 static device_attach_t psmcpnp_attach; 2984 2985 static device_method_t psmcpnp_methods[] = { 2986 DEVMETHOD(device_probe, psmcpnp_probe), 2987 DEVMETHOD(device_attach, psmcpnp_attach), 2988 2989 { 0, 0 } 2990 }; 2991 2992 static driver_t psmcpnp_driver = { 2993 PSMCPNP_DRIVER_NAME, 2994 psmcpnp_methods, 2995 1, /* no softc */ 2996 }; 2997 2998 static struct isa_pnp_id psmcpnp_ids[] = { 2999 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 3000 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 3001 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 3002 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 3003 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 3004 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 3005 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 3006 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 3007 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 3008 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 3009 { 0 } 3010 }; 3011 3012 static int 3013 create_a_copy(device_t atkbdc, device_t me) 3014 { 3015 device_t psm; 3016 u_long irq; 3017 3018 /* find the PS/2 mouse device instance under the keyboard controller */ 3019 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 3020 device_get_unit(atkbdc)); 3021 if (psm == NULL) 3022 return ENXIO; 3023 if (device_get_state(psm) != DS_NOTPRESENT) 3024 return 0; 3025 3026 /* move our resource to the found device */ 3027 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 3028 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 3029 3030 /* ...then probe and attach it */ 3031 return device_probe_and_attach(psm); 3032 } 3033 3034 static int 3035 psmcpnp_probe(device_t dev) 3036 { 3037 struct resource *res; 3038 u_long irq; 3039 int rid; 3040 3041 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 3042 return ENXIO; 3043 3044 /* 3045 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 3046 * to the PS/2 mouse device node. But, some buggy PnP BIOS 3047 * declares the PS/2 mouse device node without an IRQ resource! 3048 * If this happens, we shall refer to device hints. 3049 * If we still don't find it there, use a hardcoded value... XXX 3050 */ 3051 rid = 0; 3052 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 3053 if (irq <= 0) { 3054 if (resource_long_value(PSM_DRIVER_NAME, 3055 device_get_unit(dev), "irq", &irq) != 0) 3056 irq = 12; /* XXX */ 3057 device_printf(dev, "irq resource info is missing; " 3058 "assuming irq %ld\n", irq); 3059 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 3060 } 3061 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 3062 RF_SHAREABLE); 3063 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 3064 3065 /* keep quiet */ 3066 if (!bootverbose) 3067 device_quiet(dev); 3068 3069 return ((res == NULL) ? ENXIO : 0); 3070 } 3071 3072 static int 3073 psmcpnp_attach(device_t dev) 3074 { 3075 device_t atkbdc; 3076 int rid; 3077 3078 /* find the keyboard controller, which may be on acpi* or isa* bus */ 3079 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 3080 device_get_unit(dev)); 3081 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) { 3082 create_a_copy(atkbdc, dev); 3083 } else { 3084 /* 3085 * If we don't have the AT keyboard controller yet, 3086 * just reserve the IRQ for later use... 3087 * (See psmidentify() above.) 3088 */ 3089 rid = 0; 3090 bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 3091 RF_SHAREABLE); 3092 } 3093 3094 return 0; 3095 } 3096 3097 /* 3098 * Return true if 'now' is earlier than (start + (secs.usecs)). 3099 * Now may be NULL and the function will fetch the current time from 3100 * getmicrouptime(), or a cached 'now' can be passed in. 3101 * All values should be numbers derived from getmicrouptime(). 3102 */ 3103 static int 3104 timeelapsed(start, secs, usecs, now) 3105 const struct timeval *start, *now; 3106 int secs, usecs; 3107 { 3108 struct timeval snow, tv; 3109 3110 /* if there is no 'now' passed in, the get it as a convience. */ 3111 if (now == NULL) { 3112 getmicrouptime(&snow); 3113 now = &snow; 3114 } 3115 3116 tv.tv_sec = secs; 3117 tv.tv_usec = usecs; 3118 timevaladd(&tv, start); 3119 return (timevalcmp(&tv, now, <)); 3120 } 3121 3122 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 3123 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 3124