1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * 23 * $FreeBSD: src/sys/isa/psm.c,v 1.23.2.7 2003/11/12 04:26:26 mikeh Exp $ 24 * $DragonFly: src/sys/dev/misc/psm/psm.c,v 1.25 2007/06/13 17:15:25 dillon Exp $ 25 */ 26 27 /* 28 * Ported to 386bsd Oct 17, 1992 29 * Sandi Donno, Computer Science, University of Cape Town, South Africa 30 * Please send bug reports to sandi@cs.uct.ac.za 31 * 32 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 33 * although I was only partially successful in getting the alpha release 34 * of his "driver for the Logitech and ATI Inport Bus mice for use with 35 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 36 * found his code to be an invaluable reference when porting this driver 37 * to 386bsd. 38 * 39 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 40 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 41 * 42 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 43 * Andrew Herbert - 12 June 1993 44 * 45 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 46 * - 13 June 1993 47 * 48 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 49 * - 24 October 1993 50 * 51 * Hardware access routines and probe logic rewritten by 52 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 53 * - 3, 14, 22 October 1996. 54 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 55 * - 14, 30 November 1996. Uses `kbdio.c'. 56 * - 13 December 1996. Uses queuing version of `kbdio.c'. 57 * - January/February 1997. Tweaked probe logic for 58 * HiNote UltraII/Latitude/Armada laptops. 59 * - 30 July 1997. Added APM support. 60 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 61 * Improved sync check logic. 62 * Vendor specific support routines. 63 */ 64 65 #include "opt_psm.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/kernel.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/conf.h> 73 #include <sys/device.h> 74 #include <sys/event.h> 75 #include <sys/syslog.h> 76 #include <sys/malloc.h> 77 #include <sys/rman.h> 78 #include <sys/selinfo.h> 79 #include <sys/thread2.h> 80 #include <sys/time.h> 81 #include <sys/uio.h> 82 83 #include <machine/clock.h> 84 #include <machine/limits.h> 85 #include <machine/mouse.h> 86 87 #include <bus/isa/isavar.h> 88 #include <dev/misc/kbd/atkbdcreg.h> 89 90 /* 91 * Driver specific options: the following options may be set by 92 * `options' statements in the kernel configuration file. 93 */ 94 95 /* debugging */ 96 #ifndef PSM_DEBUG 97 #define PSM_DEBUG 0 /* logging: 0: none, 1: brief, 2: verbose */ 98 #endif 99 100 #ifndef PSM_SYNCERR_THRESHOLD1 101 #define PSM_SYNCERR_THRESHOLD1 20 102 #endif 103 104 #ifndef PSM_INPUT_TIMEOUT 105 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 106 #endif 107 108 /* end of driver specific options */ 109 110 #define PSM_DRIVER_NAME "psm" 111 #define PSMCPNP_DRIVER_NAME "psmcpnp" 112 113 /* input queue */ 114 #define PSM_BUFSIZE 960 115 #define PSM_SMALLBUFSIZE 240 116 117 /* operation levels */ 118 #define PSM_LEVEL_BASE 0 119 #define PSM_LEVEL_STANDARD 1 120 #define PSM_LEVEL_NATIVE 2 121 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 122 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 123 124 /* Logitech PS2++ protocol */ 125 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 126 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 127 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 128 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 129 130 /* some macros */ 131 #define PSM_UNIT(dev) (minor(dev) >> 1) 132 #define PSM_NBLOCKIO(dev) (minor(dev) & 1) 133 #define PSM_MKMINOR(unit,block) ((((unit) & 0xff) << 1) | ((block) ? 0:1)) 134 135 #ifndef max 136 #define max(x,y) ((x) > (y) ? (x) : (y)) 137 #endif 138 #ifndef min 139 #define min(x,y) ((x) < (y) ? (x) : (y)) 140 #endif 141 142 #define abs(x) (((x) < 0) ? -(x) : (x)) 143 144 /* ring buffer */ 145 typedef struct ringbuf { 146 int count; /* # of valid elements in the buffer */ 147 int head; /* head pointer */ 148 int tail; /* tail poiner */ 149 unsigned char buf[PSM_BUFSIZE]; 150 } ringbuf_t; 151 152 /* driver control block */ 153 struct psm_softc { /* Driver status information */ 154 int unit; 155 struct selinfo rsel; /* Process selecting for Input */ 156 unsigned char state; /* Mouse driver state */ 157 int config; /* driver configuration flags */ 158 int flags; /* other flags */ 159 KBDC kbdc; /* handle to access the keyboard controller */ 160 struct resource *intr; /* IRQ resource */ 161 void *ih; /* interrupt handle */ 162 mousehw_t hw; /* hardware information */ 163 mousemode_t mode; /* operation mode */ 164 mousemode_t dflt_mode; /* default operation mode */ 165 mousestatus_t status; /* accumulated mouse movement */ 166 ringbuf_t queue; /* mouse status queue */ 167 unsigned char ipacket[16]; /* interim input buffer */ 168 int inputbytes; /* # of bytes in the input buffer */ 169 int button; /* the latest button state */ 170 int xold; /* previous absolute X position */ 171 int yold; /* previous absolute Y position */ 172 int syncerrors; 173 struct timeval inputtimeout; 174 int watchdog; /* watchdog timer flag */ 175 struct callout callout; /* watchdog timer call out */ 176 }; 177 devclass_t psm_devclass; 178 #define PSM_SOFTC(unit) ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 179 180 /* driver state flags (state) */ 181 #define PSM_VALID 0x80 182 #define PSM_OPEN 1 /* Device is open */ 183 #define PSM_ASLP 2 /* Waiting for mouse data */ 184 185 /* driver configuration flags (config) */ 186 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 187 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 188 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 189 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 190 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 191 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 192 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 193 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 194 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 195 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 196 197 #define PSM_CONFIG_FLAGS (PSM_CONFIG_RESOLUTION \ 198 | PSM_CONFIG_ACCEL \ 199 | PSM_CONFIG_NOCHECKSYNC \ 200 | PSM_CONFIG_SYNCHACK \ 201 | PSM_CONFIG_NOIDPROBE \ 202 | PSM_CONFIG_NORESET \ 203 | PSM_CONFIG_FORCETAP \ 204 | PSM_CONFIG_IGNPORTERROR \ 205 | PSM_CONFIG_HOOKRESUME \ 206 | PSM_CONFIG_INITAFTERSUSPEND) 207 208 /* other flags (flags) */ 209 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 210 211 /* for backward compatibility */ 212 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 213 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 214 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 215 216 typedef struct old_mousehw { 217 int buttons; 218 int iftype; 219 int type; 220 int hwid; 221 } old_mousehw_t; 222 223 typedef struct old_mousemode { 224 int protocol; 225 int rate; 226 int resolution; 227 int accelfactor; 228 } old_mousemode_t; 229 230 /* packet formatting function */ 231 typedef int packetfunc_t (struct psm_softc *, unsigned char *, 232 int *, int, mousestatus_t *); 233 234 /* function prototypes */ 235 static int psmprobe (device_t); 236 static int psmattach (device_t); 237 static int psmdetach (device_t); 238 static int psmresume (device_t); 239 240 static d_open_t psmopen; 241 static d_close_t psmclose; 242 static d_read_t psmread; 243 static d_ioctl_t psmioctl; 244 static d_kqfilter_t psmkqfilter; 245 246 static int enable_aux_dev (KBDC); 247 static int disable_aux_dev (KBDC); 248 static int get_mouse_status (KBDC, int *, int, int); 249 static int get_aux_id (KBDC); 250 static int set_mouse_sampling_rate (KBDC, int); 251 static int set_mouse_scaling (KBDC, int); 252 static int set_mouse_resolution (KBDC, int); 253 static int set_mouse_mode (KBDC); 254 static int get_mouse_buttons (KBDC); 255 static int is_a_mouse (int); 256 static void recover_from_error (KBDC); 257 static int restore_controller (KBDC, int); 258 static int doinitialize (struct psm_softc *, mousemode_t *); 259 static int doopen (struct psm_softc *, int); 260 static int reinitialize (struct psm_softc *, int); 261 static char *model_name (int); 262 static void psmintr (void *); 263 static void psmtimeout (void *); 264 static void psmfilter_detach(struct knote *); 265 static int psmfilter(struct knote *, long); 266 267 /* vendor specific features */ 268 typedef int probefunc_t (struct psm_softc *); 269 270 static int mouse_id_proc1 (KBDC, int, int, int *); 271 static int mouse_ext_command (KBDC, int); 272 static probefunc_t enable_groller; 273 static probefunc_t enable_gmouse; 274 static probefunc_t enable_aglide; 275 static probefunc_t enable_kmouse; 276 static probefunc_t enable_msexplorer; 277 static probefunc_t enable_msintelli; 278 static probefunc_t enable_4dmouse; 279 static probefunc_t enable_4dplus; 280 static probefunc_t enable_mmanplus; 281 static probefunc_t enable_versapad; 282 static int tame_mouse (struct psm_softc *, mousestatus_t *, unsigned char *); 283 284 static struct { 285 int model; 286 unsigned char syncmask; 287 int packetsize; 288 probefunc_t *probefunc; 289 } vendortype[] = { 290 /* 291 * WARNING: the order of probe is very important. Don't mess it 292 * unless you know what you are doing. 293 */ 294 { MOUSE_MODEL_NET, /* Genius NetMouse */ 295 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse, }, 296 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 297 0xc8, 6, enable_groller, }, 298 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 299 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus, }, 300 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 301 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer, }, 302 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 303 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse, }, 304 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 305 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus, }, 306 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 307 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli, }, 308 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 309 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide, }, 310 { MOUSE_MODEL_THINK, /* Kensignton ThinkingMouse */ 311 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse, }, 312 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 313 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad, }, 314 { MOUSE_MODEL_GENERIC, 315 0xc0, MOUSE_PS2_PACKETSIZE, NULL, }, 316 }; 317 #define GENERIC_MOUSE_ENTRY ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 318 319 /* device driver declarateion */ 320 static device_method_t psm_methods[] = { 321 /* Device interface */ 322 DEVMETHOD(device_probe, psmprobe), 323 DEVMETHOD(device_attach, psmattach), 324 DEVMETHOD(device_detach, psmdetach), 325 DEVMETHOD(device_resume, psmresume), 326 327 { 0, 0 } 328 }; 329 330 static driver_t psm_driver = { 331 PSM_DRIVER_NAME, 332 psm_methods, 333 sizeof(struct psm_softc), 334 }; 335 336 #if notyet 337 static struct isa_pnp_id psm_ids[] = { 338 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 339 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 340 { 0 } 341 }; 342 #endif 343 344 #define CDEV_MAJOR 21 345 346 static struct dev_ops psm_ops = { 347 { PSM_DRIVER_NAME, CDEV_MAJOR, D_KQFILTER }, 348 .d_open = psmopen, 349 .d_close = psmclose, 350 .d_read = psmread, 351 .d_ioctl = psmioctl, 352 .d_kqfilter = psmkqfilter 353 }; 354 355 /* debug message level */ 356 static int verbose = PSM_DEBUG; 357 358 /* device I/O routines */ 359 static int 360 enable_aux_dev(KBDC kbdc) 361 { 362 int res; 363 364 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 365 if (verbose >= 2) 366 log(LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res); 367 368 return (res == PSM_ACK); 369 } 370 371 static int 372 disable_aux_dev(KBDC kbdc) 373 { 374 int res; 375 376 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 377 if (verbose >= 2) 378 log(LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res); 379 380 return (res == PSM_ACK); 381 } 382 383 static int 384 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 385 { 386 int cmd; 387 int res; 388 int i; 389 390 switch (flag) { 391 case 0: 392 default: 393 cmd = PSMC_SEND_DEV_STATUS; 394 break; 395 case 1: 396 cmd = PSMC_SEND_DEV_DATA; 397 break; 398 } 399 empty_aux_buffer(kbdc, 5); 400 res = send_aux_command(kbdc, cmd); 401 if (verbose >= 2) 402 log(LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 403 (flag == 1) ? "DATA" : "STATUS", res); 404 if (res != PSM_ACK) 405 return 0; 406 407 for (i = 0; i < len; ++i) { 408 status[i] = read_aux_data(kbdc); 409 if (status[i] < 0) 410 break; 411 } 412 413 if (verbose) { 414 log(LOG_DEBUG, "psm: %s %02x %02x %02x\n", 415 (flag == 1) ? "data" : "status", status[0], status[1], status[2]); 416 } 417 418 return i; 419 } 420 421 static int 422 get_aux_id(KBDC kbdc) 423 { 424 int res; 425 int id; 426 427 empty_aux_buffer(kbdc, 5); 428 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 429 if (verbose >= 2) 430 log(LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res); 431 if (res != PSM_ACK) 432 return (-1); 433 434 /* 10ms delay */ 435 DRIVERSLEEP(10000); 436 437 id = read_aux_data(kbdc); 438 if (verbose >= 2) 439 log(LOG_DEBUG, "psm: device ID: %04x\n", id); 440 441 return id; 442 } 443 444 static int 445 set_mouse_sampling_rate(KBDC kbdc, int rate) 446 { 447 int res; 448 449 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 450 if (verbose >= 2) 451 log(LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res); 452 453 return ((res == PSM_ACK) ? rate : -1); 454 } 455 456 static int 457 set_mouse_scaling(KBDC kbdc, int scale) 458 { 459 int res; 460 461 switch (scale) { 462 case 1: 463 default: 464 scale = PSMC_SET_SCALING11; 465 break; 466 case 2: 467 scale = PSMC_SET_SCALING21; 468 break; 469 } 470 res = send_aux_command(kbdc, scale); 471 if (verbose >= 2) 472 log(LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 473 (scale == PSMC_SET_SCALING21) ? "21" : "11", res); 474 475 return (res == PSM_ACK); 476 } 477 478 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 479 static int 480 set_mouse_resolution(KBDC kbdc, int val) 481 { 482 int res; 483 484 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 485 if (verbose >= 2) 486 log(LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res); 487 488 return ((res == PSM_ACK) ? val : -1); 489 } 490 491 /* 492 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 493 * re-enabled by calling `enable_aux_dev()' 494 */ 495 static int 496 set_mouse_mode(KBDC kbdc) 497 { 498 int res; 499 500 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 501 if (verbose >= 2) 502 log(LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res); 503 504 return (res == PSM_ACK); 505 } 506 507 static int 508 get_mouse_buttons(KBDC kbdc) 509 { 510 int c = 2; /* assume two buttons by default */ 511 int status[3]; 512 513 /* 514 * NOTE: a special sequence to obtain Logitech Mouse specific 515 * information: set resolution to 25 ppi, set scaling to 1:1, set 516 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 517 * mouse status bytes is the number of available buttons. 518 * Some manufactures also support this sequence. 519 */ 520 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 521 return c; 522 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) 523 && set_mouse_scaling(kbdc, 1) 524 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) { 525 if (status[1] != 0) 526 return status[1]; 527 } 528 return c; 529 } 530 531 /* misc subroutines */ 532 /* 533 * Someday, I will get the complete list of valid pointing devices and 534 * their IDs... XXX 535 */ 536 static int 537 is_a_mouse(int id) 538 { 539 #if 0 540 static int valid_ids[] = { 541 PSM_MOUSE_ID, /* mouse */ 542 PSM_BALLPOINT_ID, /* ballpoint device */ 543 PSM_INTELLI_ID, /* Intellimouse */ 544 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 545 -1 /* end of table */ 546 }; 547 int i; 548 549 for (i = 0; valid_ids[i] >= 0; ++i) 550 if (valid_ids[i] == id) 551 return TRUE; 552 return FALSE; 553 #else 554 return TRUE; 555 #endif 556 } 557 558 static char * 559 model_name(int model) 560 { 561 static struct { 562 int model_code; 563 char *model_name; 564 } models[] = { 565 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 566 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 567 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 568 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 569 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 570 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 571 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 572 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 573 { MOUSE_MODEL_4D, "4D Mouse" }, 574 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 575 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 576 { MOUSE_MODEL_UNKNOWN, NULL }, 577 }; 578 int i; 579 580 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) { 581 if (models[i].model_code == model) 582 return models[i].model_name; 583 } 584 return "Unknown"; 585 } 586 587 static void 588 recover_from_error(KBDC kbdc) 589 { 590 /* discard anything left in the output buffer */ 591 empty_both_buffers(kbdc, 10); 592 593 #if 0 594 /* 595 * NOTE: KBDC_RESET_KBD may not restore the communication between the 596 * keyboard and the controller. 597 */ 598 reset_kbd(kbdc); 599 #else 600 /* 601 * NOTE: somehow diagnostic and keyboard port test commands bring the 602 * keyboard back. 603 */ 604 if (!test_controller(kbdc)) 605 log(LOG_ERR, "psm: keyboard controller failed.\n"); 606 /* if there isn't a keyboard in the system, the following error is OK */ 607 if (test_kbd_port(kbdc) != 0) { 608 if (verbose) 609 log(LOG_ERR, "psm: keyboard port failed.\n"); 610 } 611 #endif 612 } 613 614 static int 615 restore_controller(KBDC kbdc, int command_byte) 616 { 617 empty_both_buffers(kbdc, 10); 618 619 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 620 log(LOG_ERR, "psm: failed to restore the keyboard controller " 621 "command byte.\n"); 622 empty_both_buffers(kbdc, 10); 623 return FALSE; 624 } else { 625 empty_both_buffers(kbdc, 10); 626 return TRUE; 627 } 628 } 629 630 /* 631 * Re-initialize the aux port and device. The aux port must be enabled 632 * and its interrupt must be disabled before calling this routine. 633 * The aux device will be disabled before returning. 634 * The keyboard controller must be locked via `kbdc_lock()' before 635 * calling this routine. 636 */ 637 static int 638 doinitialize(struct psm_softc *sc, mousemode_t *mode) 639 { 640 KBDC kbdc = sc->kbdc; 641 int stat[3]; 642 int i; 643 644 switch((i = test_aux_port(kbdc))) { 645 case 1: /* ignore this error */ 646 case 2: /* Ignore 2 and 3 for use with some acer and compal laptops */ 647 case 3: 648 case PSM_ACK: 649 if (verbose) 650 log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n", 651 sc->unit, i); 652 /* fall though */ 653 case 0: /* no error */ 654 break; 655 case -1: /* time out */ 656 default: /* error */ 657 recover_from_error(kbdc); 658 if (sc->config & PSM_CONFIG_IGNPORTERROR) 659 break; 660 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 661 sc->unit, i); 662 return FALSE; 663 } 664 665 if (sc->config & PSM_CONFIG_NORESET) { 666 /* 667 * Don't try to reset the pointing device. It may possibly be 668 * left in the unknown state, though... 669 */ 670 } else { 671 /* 672 * NOTE: some controllers appears to hang the `keyboard' when 673 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 674 */ 675 if (!reset_aux_dev(kbdc)) { 676 recover_from_error(kbdc); 677 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", sc->unit); 678 return FALSE; 679 } 680 } 681 682 /* 683 * both the aux port and the aux device is functioning, see 684 * if the device can be enabled. 685 */ 686 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 687 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", sc->unit); 688 return FALSE; 689 } 690 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 691 692 if (sc->config & PSM_CONFIG_NOIDPROBE) { 693 i = GENERIC_MOUSE_ENTRY; 694 } else { 695 /* FIXME: hardware ID, mouse buttons? */ 696 697 /* other parameters */ 698 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 699 if ((*vendortype[i].probefunc)(sc)) { 700 if (verbose >= 2) 701 log(LOG_ERR, "psm%d: found %s\n", 702 sc->unit, model_name(vendortype[i].model)); 703 break; 704 } 705 } 706 } 707 708 sc->hw.model = vendortype[i].model; 709 sc->mode.packetsize = vendortype[i].packetsize; 710 711 /* set mouse parameters */ 712 if (mode != NULL) { 713 if (mode->rate > 0) 714 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 715 if (mode->resolution >= 0) 716 mode->resolution = set_mouse_resolution(kbdc, mode->resolution); 717 set_mouse_scaling(kbdc, 1); 718 set_mouse_mode(kbdc); 719 } 720 721 /* request a data packet and extract sync. bits */ 722 if (get_mouse_status(kbdc, stat, 1, 3) < 3) { 723 log(LOG_DEBUG, "psm%d: failed to get data (doinitialize).\n", 724 sc->unit); 725 sc->mode.syncmask[0] = 0; 726 } else { 727 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 728 /* the NetScroll Mouse will send three more bytes... Ignore them */ 729 empty_aux_buffer(kbdc, 5); 730 } 731 732 /* just check the status of the mouse */ 733 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 734 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 735 sc->unit); 736 737 return TRUE; 738 } 739 740 static int 741 doopen(struct psm_softc *sc, int command_byte) 742 { 743 int stat[3]; 744 745 /* enable the mouse device */ 746 if (!enable_aux_dev(sc->kbdc)) { 747 /* MOUSE ERROR: failed to enable the mouse because: 748 * 1) the mouse is faulty, 749 * 2) the mouse has been removed(!?) 750 * In the latter case, the keyboard may have hung, and need 751 * recovery procedure... 752 */ 753 recover_from_error(sc->kbdc); 754 #if 0 755 /* FIXME: we could reset the mouse here and try to enable 756 * it again. But it will take long time and it's not a good 757 * idea to disable the keyboard that long... 758 */ 759 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 760 recover_from_error(sc->kbdc); 761 #else 762 { 763 #endif 764 restore_controller(sc->kbdc, command_byte); 765 /* mark this device is no longer available */ 766 sc->state &= ~PSM_VALID; 767 log(LOG_ERR, "psm%d: failed to enable the device (doopen).\n", 768 sc->unit); 769 return (EIO); 770 } 771 } 772 773 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 774 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", sc->unit); 775 776 /* enable the aux port and interrupt */ 777 if (!set_controller_command_byte(sc->kbdc, 778 kbdc_get_device_mask(sc->kbdc), 779 (command_byte & KBD_KBD_CONTROL_BITS) 780 | KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 781 /* CONTROLLER ERROR */ 782 disable_aux_dev(sc->kbdc); 783 restore_controller(sc->kbdc, command_byte); 784 log(LOG_ERR, "psm%d: failed to enable the aux interrupt (doopen).\n", 785 sc->unit); 786 return (EIO); 787 } 788 789 /* start the watchdog timer */ 790 sc->watchdog = FALSE; 791 callout_reset(&sc->callout, hz * 2, psmtimeout, (void *)(uintptr_t)sc); 792 793 return (0); 794 } 795 796 static int 797 reinitialize(struct psm_softc *sc, int doinit) 798 { 799 int err; 800 int c; 801 802 /* don't let anybody mess with the aux device */ 803 if (!kbdc_lock(sc->kbdc, TRUE)) 804 return (EIO); 805 crit_enter(); 806 807 /* block our watchdog timer */ 808 sc->watchdog = FALSE; 809 callout_stop(&sc->callout); 810 811 /* save the current controller command byte */ 812 empty_both_buffers(sc->kbdc, 10); 813 c = get_controller_command_byte(sc->kbdc); 814 if (verbose >= 2) 815 log(LOG_DEBUG, "psm%d: current command byte: %04x (reinitialize).\n", 816 sc->unit, c); 817 818 /* enable the aux port but disable the aux interrupt and the keyboard */ 819 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 820 kbdc_get_device_mask(sc->kbdc), 821 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 822 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 823 /* CONTROLLER ERROR */ 824 crit_exit(); 825 kbdc_lock(sc->kbdc, FALSE); 826 log(LOG_ERR, "psm%d: unable to set the command byte (reinitialize).\n", 827 sc->unit); 828 return (EIO); 829 } 830 831 /* flush any data */ 832 if (sc->state & PSM_VALID) { 833 disable_aux_dev(sc->kbdc); /* this may fail; but never mind... */ 834 empty_aux_buffer(sc->kbdc, 10); 835 } 836 sc->inputbytes = 0; 837 sc->syncerrors = 0; 838 839 /* try to detect the aux device; are you still there? */ 840 err = 0; 841 if (doinit) { 842 if (doinitialize(sc, &sc->mode)) { 843 /* yes */ 844 sc->state |= PSM_VALID; 845 } else { 846 /* the device has gone! */ 847 restore_controller(sc->kbdc, c); 848 sc->state &= ~PSM_VALID; 849 log(LOG_ERR, "psm%d: the aux device has gone! (reinitialize).\n", 850 sc->unit); 851 err = ENXIO; 852 } 853 } 854 crit_exit(); 855 856 /* restore the driver state */ 857 if ((sc->state & PSM_OPEN) && (err == 0)) { 858 /* enable the aux device and the port again */ 859 err = doopen(sc, c); 860 if (err != 0) 861 log(LOG_ERR, "psm%d: failed to enable the device (reinitialize).\n", 862 sc->unit); 863 } else { 864 /* restore the keyboard port and disable the aux port */ 865 if (!set_controller_command_byte(sc->kbdc, 866 kbdc_get_device_mask(sc->kbdc), 867 (c & KBD_KBD_CONTROL_BITS) 868 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 869 /* CONTROLLER ERROR */ 870 log(LOG_ERR, "psm%d: failed to disable the aux port (reinitialize).\n", 871 sc->unit); 872 err = EIO; 873 } 874 } 875 876 kbdc_lock(sc->kbdc, FALSE); 877 return (err); 878 } 879 880 /* psm driver entry points */ 881 882 #define endprobe(v) { if (bootverbose) \ 883 --verbose; \ 884 kbdc_set_device_mask(sc->kbdc, mask); \ 885 kbdc_lock(sc->kbdc, FALSE); \ 886 return (v); \ 887 } 888 889 static int 890 psmprobe(device_t dev) 891 { 892 int unit = device_get_unit(dev); 893 struct psm_softc *sc = device_get_softc(dev); 894 uintptr_t irq; 895 uintptr_t flags; 896 int stat[3]; 897 int command_byte; 898 int mask; 899 int rid; 900 int i; 901 902 #if 0 903 kbdc_debug(TRUE); 904 #endif 905 906 #if notyet 907 /* check PnP IDs */ 908 if (XXX_PNP_PROBE(device_get_parent(dev), dev, psm_ids) == ENXIO) 909 return ENXIO; 910 #endif 911 912 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 913 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 914 915 sc->unit = unit; 916 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 917 sc->config = flags & PSM_CONFIG_FLAGS; 918 /* XXX: for backward compatibility */ 919 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 920 sc->config |= 921 #ifdef PSM_RESETAFTERSUSPEND 922 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 923 #else 924 PSM_CONFIG_HOOKRESUME; 925 #endif 926 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 927 sc->flags = 0; 928 if (bootverbose) 929 ++verbose; 930 931 device_set_desc(dev, "PS/2 Mouse"); 932 933 if (!kbdc_lock(sc->kbdc, TRUE)) { 934 kprintf("psm%d: unable to lock the controller.\n", unit); 935 if (bootverbose) 936 --verbose; 937 return (ENXIO); 938 } 939 940 /* 941 * NOTE: two bits in the command byte controls the operation of the 942 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 943 * port interrupt (IRQ 12) enable bit (bit 2). 944 */ 945 946 /* discard anything left after the keyboard initialization */ 947 empty_both_buffers(sc->kbdc, 10); 948 949 /* save the current command byte; it will be used later */ 950 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 951 command_byte = get_controller_command_byte(sc->kbdc); 952 if (verbose) 953 kprintf("psm%d: current command byte:%04x\n", unit, command_byte); 954 if (command_byte == -1) { 955 /* CONTROLLER ERROR */ 956 kprintf("psm%d: unable to get the current command byte value.\n", 957 unit); 958 endprobe(ENXIO); 959 } 960 961 /* 962 * disable the keyboard port while probing the aux port, which must be 963 * enabled during this routine 964 */ 965 if (!set_controller_command_byte(sc->kbdc, 966 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 967 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 968 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 969 /* 970 * this is CONTROLLER ERROR; I don't know how to recover 971 * from this error... 972 */ 973 restore_controller(sc->kbdc, command_byte); 974 kprintf("psm%d: unable to set the command byte.\n", unit); 975 endprobe(ENXIO); 976 } 977 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 978 979 /* 980 * NOTE: `test_aux_port()' is designed to return with zero if the aux 981 * port exists and is functioning. However, some controllers appears 982 * to respond with zero even when the aux port doesn't exist. (It may 983 * be that this is only the case when the controller DOES have the aux 984 * port but the port is not wired on the motherboard.) The keyboard 985 * controllers without the port, such as the original AT, are 986 * supporsed to return with an error code or simply time out. In any 987 * case, we have to continue probing the port even when the controller 988 * passes this test. 989 * 990 * XXX: some controllers erroneously return the error code 1 when 991 * it has the perfectly functional aux port. We have to ignore this 992 * error code. Even if the controller HAS error with the aux port, 993 * it will be detected later... 994 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 995 */ 996 switch ((i = test_aux_port(sc->kbdc))) { 997 case 1: /* ignore this error */ 998 case 2: /* Ignore 2 and 3 for use with some acer and compal laptops */ 999 case 3: 1000 case PSM_ACK: 1001 if (verbose) 1002 kprintf("psm%d: strange result for test aux port (%d).\n", 1003 unit, i); 1004 /* fall though */ 1005 case 0: /* no error */ 1006 break; 1007 case -1: /* time out */ 1008 default: /* error */ 1009 recover_from_error(sc->kbdc); 1010 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1011 break; 1012 restore_controller(sc->kbdc, command_byte); 1013 if (verbose) 1014 kprintf("psm%d: the aux port is not functioning (%d).\n", 1015 unit, i); 1016 endprobe(ENXIO); 1017 } 1018 1019 if (sc->config & PSM_CONFIG_NORESET) { 1020 /* 1021 * Don't try to reset the pointing device. It may possibly be 1022 * left in the unknown state, though... 1023 */ 1024 } else { 1025 /* 1026 * NOTE: some controllers appears to hang the `keyboard' when the aux 1027 * port doesn't exist and `PSMC_RESET_DEV' is issued. 1028 * 1029 * Attempt to reset the controller twice -- this helps 1030 * pierce through some KVM switches. The second reset 1031 * is non-fatal. 1032 */ 1033 if (!reset_aux_dev(sc->kbdc)) { 1034 recover_from_error(sc->kbdc); 1035 restore_controller(sc->kbdc, command_byte); 1036 if (verbose) 1037 kprintf("psm%d: failed to reset the aux device.\n", unit); 1038 endprobe(ENXIO); 1039 } else if (!reset_aux_dev(sc->kbdc)) { 1040 recover_from_error(sc->kbdc); 1041 if (verbose >= 2) 1042 kprintf("psm%d: failed to reset the aux device (2).\n", 1043 unit); 1044 } 1045 } 1046 1047 /* 1048 * both the aux port and the aux device is functioning, see if the 1049 * device can be enabled. NOTE: when enabled, the device will start 1050 * sending data; we shall immediately disable the device once we know 1051 * the device can be enabled. 1052 */ 1053 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1054 /* MOUSE ERROR */ 1055 recover_from_error(sc->kbdc); 1056 restore_controller(sc->kbdc, command_byte); 1057 if (verbose) 1058 kprintf("psm%d: failed to enable the aux device.\n", unit); 1059 endprobe(ENXIO); 1060 } 1061 1062 /* save the default values after reset */ 1063 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1064 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1065 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1066 } else { 1067 sc->dflt_mode.rate = sc->mode.rate = -1; 1068 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1069 } 1070 1071 /* hardware information */ 1072 sc->hw.iftype = MOUSE_IF_PS2; 1073 1074 /* verify the device is a mouse */ 1075 sc->hw.hwid = get_aux_id(sc->kbdc); 1076 if (!is_a_mouse(sc->hw.hwid)) { 1077 restore_controller(sc->kbdc, command_byte); 1078 if (verbose) 1079 kprintf("psm%d: unknown device type (%d).\n", unit, sc->hw.hwid); 1080 endprobe(ENXIO); 1081 } 1082 switch (sc->hw.hwid) { 1083 case PSM_BALLPOINT_ID: 1084 sc->hw.type = MOUSE_TRACKBALL; 1085 break; 1086 case PSM_MOUSE_ID: 1087 case PSM_INTELLI_ID: 1088 case PSM_EXPLORER_ID: 1089 case PSM_4DMOUSE_ID: 1090 case PSM_4DPLUS_ID: 1091 sc->hw.type = MOUSE_MOUSE; 1092 break; 1093 default: 1094 sc->hw.type = MOUSE_UNKNOWN; 1095 break; 1096 } 1097 1098 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1099 sc->hw.buttons = 2; 1100 i = GENERIC_MOUSE_ENTRY; 1101 } else { 1102 /* # of buttons */ 1103 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1104 1105 /* other parameters */ 1106 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 1107 if ((*vendortype[i].probefunc)(sc)) { 1108 if (verbose >= 2) 1109 kprintf("psm%d: found %s\n", 1110 unit, model_name(vendortype[i].model)); 1111 break; 1112 } 1113 } 1114 } 1115 1116 sc->hw.model = vendortype[i].model; 1117 1118 sc->dflt_mode.level = PSM_LEVEL_BASE; 1119 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1120 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1121 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1122 sc->dflt_mode.syncmask[0] = 0; 1123 else 1124 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1125 if (sc->config & PSM_CONFIG_FORCETAP) 1126 sc->mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1127 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1128 sc->mode = sc->dflt_mode; 1129 sc->mode.packetsize = vendortype[i].packetsize; 1130 1131 /* set mouse parameters */ 1132 #if 0 1133 /* 1134 * A version of Logitech FirstMouse+ won't report wheel movement, 1135 * if SET_DEFAULTS is sent... Don't use this command. 1136 * This fix was found by Takashi Nishida. 1137 */ 1138 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1139 if (verbose >= 2) 1140 kprintf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1141 #endif 1142 if (sc->config & PSM_CONFIG_RESOLUTION) { 1143 sc->mode.resolution 1144 = set_mouse_resolution(sc->kbdc, 1145 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1146 } else if (sc->mode.resolution >= 0) { 1147 sc->mode.resolution 1148 = set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1149 } 1150 if (sc->mode.rate > 0) { 1151 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1152 } 1153 set_mouse_scaling(sc->kbdc, 1); 1154 1155 /* request a data packet and extract sync. bits */ 1156 if (get_mouse_status(sc->kbdc, stat, 1, 3) < 3) { 1157 kprintf("psm%d: failed to get data.\n", unit); 1158 sc->mode.syncmask[0] = 0; 1159 } else { 1160 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 1161 /* the NetScroll Mouse will send three more bytes... Ignore them */ 1162 empty_aux_buffer(sc->kbdc, 5); 1163 } 1164 1165 /* just check the status of the mouse */ 1166 /* 1167 * NOTE: XXX there are some arcane controller/mouse combinations out 1168 * there, which hung the controller unless there is data transmission 1169 * after ACK from the mouse. 1170 */ 1171 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) { 1172 kprintf("psm%d: failed to get status.\n", unit); 1173 } else { 1174 /* 1175 * When in its native mode, some mice operate with different 1176 * default parameters than in the PS/2 compatible mode. 1177 */ 1178 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1179 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1180 } 1181 1182 /* disable the aux port for now... */ 1183 if (!set_controller_command_byte(sc->kbdc, 1184 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1185 (command_byte & KBD_KBD_CONTROL_BITS) 1186 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1187 /* 1188 * this is CONTROLLER ERROR; I don't know the proper way to 1189 * recover from this error... 1190 */ 1191 restore_controller(sc->kbdc, command_byte); 1192 kprintf("psm%d: unable to set the command byte.\n", unit); 1193 endprobe(ENXIO); 1194 } 1195 1196 /* see if IRQ is available */ 1197 rid = 0; 1198 sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq, irq, 1, 1199 RF_ACTIVE); 1200 if (sc->intr == NULL) { 1201 kprintf("psm%d: unable to allocate the IRQ resource (%d).\n", 1202 unit, (int)irq); 1203 endprobe(ENXIO); 1204 } else { 1205 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1206 } 1207 1208 /* done */ 1209 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1210 kbdc_lock(sc->kbdc, FALSE); 1211 return (0); 1212 } 1213 1214 static int 1215 psmattach(device_t dev) 1216 { 1217 int unit = device_get_unit(dev); 1218 struct psm_softc *sc = device_get_softc(dev); 1219 uintptr_t irq; 1220 int error; 1221 int rid; 1222 1223 if (sc == NULL) /* shouldn't happen */ 1224 return (ENXIO); 1225 1226 /* Setup initial state */ 1227 sc->state = PSM_VALID; 1228 callout_init(&sc->callout); 1229 1230 /* Setup our interrupt handler */ 1231 rid = 0; 1232 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1233 sc->intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, irq, irq, 1, 1234 RF_ACTIVE); 1235 if (sc->intr == NULL) 1236 return (ENXIO); 1237 error = BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, 1238 INTR_NOPOLL, psmintr, sc, &sc->ih, NULL); 1239 if (error) { 1240 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1241 return (error); 1242 } 1243 1244 /* Done */ 1245 make_dev(&psm_ops, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, "psm%d", unit); 1246 make_dev(&psm_ops, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, "bpsm%d", unit); 1247 1248 if (!verbose) { 1249 kprintf("psm%d: model %s, device ID %d\n", 1250 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1251 } else { 1252 kprintf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1253 unit, model_name(sc->hw.model), 1254 sc->hw.hwid & 0x00ff, sc->hw.hwid >> 8, sc->hw.buttons); 1255 kprintf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1256 unit, sc->config, sc->flags, sc->mode.packetsize); 1257 kprintf("psm%d: syncmask:%02x, syncbits:%02x\n", 1258 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1259 } 1260 1261 if (bootverbose) 1262 --verbose; 1263 1264 return (0); 1265 } 1266 1267 static int 1268 psmdetach(device_t dev) 1269 { 1270 struct psm_softc *sc; 1271 int rid; 1272 int unit; 1273 1274 sc = device_get_softc(dev); 1275 if (sc->state & PSM_OPEN) 1276 return EBUSY; 1277 1278 unit = device_get_unit(dev); 1279 1280 rid = 0; 1281 BUS_TEARDOWN_INTR(device_get_parent(dev), dev, sc->intr, sc->ih); 1282 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1283 kprintf("devfs: Please make sure that only the right psm device was removed!!!!\n"); 1284 dev_ops_remove_minor(&psm_ops, /*PSM_MKMINOR(-1, 0), */PSM_MKMINOR(unit, 0)); 1285 1286 return 0; 1287 } 1288 1289 static int 1290 psmopen(struct dev_open_args *ap) 1291 { 1292 cdev_t dev = ap->a_head.a_dev; 1293 int unit = PSM_UNIT(dev); 1294 struct psm_softc *sc; 1295 int command_byte; 1296 int err; 1297 1298 /* Get device data */ 1299 sc = PSM_SOFTC(unit); 1300 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) 1301 /* the device is no longer valid/functioning */ 1302 return (ENXIO); 1303 1304 /* Disallow multiple opens */ 1305 if (sc->state & PSM_OPEN) 1306 return (EBUSY); 1307 1308 #if 0 1309 device_busy(devclass_get_device(psm_devclass, unit)); 1310 #endif 1311 1312 /* Initialize state */ 1313 sc->rsel.si_flags = 0; 1314 sc->rsel.si_pid = 0; 1315 sc->mode.level = sc->dflt_mode.level; 1316 sc->mode.protocol = sc->dflt_mode.protocol; 1317 sc->watchdog = FALSE; 1318 1319 /* flush the event queue */ 1320 sc->queue.count = 0; 1321 sc->queue.head = 0; 1322 sc->queue.tail = 0; 1323 sc->status.flags = 0; 1324 sc->status.button = 0; 1325 sc->status.obutton = 0; 1326 sc->status.dx = 0; 1327 sc->status.dy = 0; 1328 sc->status.dz = 0; 1329 sc->button = 0; 1330 1331 /* empty input buffer */ 1332 bzero(sc->ipacket, sizeof(sc->ipacket)); 1333 sc->inputbytes = 0; 1334 sc->syncerrors = 0; 1335 1336 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1337 if (!kbdc_lock(sc->kbdc, TRUE)) 1338 return (EIO); 1339 1340 /* save the current controller command byte */ 1341 crit_enter(); 1342 command_byte = get_controller_command_byte(sc->kbdc); 1343 1344 /* enable the aux port and temporalily disable the keyboard */ 1345 if ((command_byte == -1) 1346 || !set_controller_command_byte(sc->kbdc, 1347 kbdc_get_device_mask(sc->kbdc), 1348 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1349 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1350 /* CONTROLLER ERROR; do you know how to get out of this? */ 1351 kbdc_lock(sc->kbdc, FALSE); 1352 crit_exit(); 1353 log(LOG_ERR, "psm%d: unable to set the command byte (psmopen).\n", 1354 unit); 1355 return (EIO); 1356 } 1357 /* 1358 * Now that the keyboard controller is told not to generate 1359 * the keyboard and mouse interrupts, call `splx()' to allow 1360 * the other tty interrupts. The clock interrupt may also occur, 1361 * but timeout routines will be blocked by the poll flag set 1362 * via `kbdc_lock()' 1363 */ 1364 crit_exit(); 1365 1366 /* enable the mouse device */ 1367 err = doopen(sc, command_byte); 1368 1369 /* done */ 1370 if (err == 0) 1371 sc->state |= PSM_OPEN; 1372 kbdc_lock(sc->kbdc, FALSE); 1373 return (err); 1374 } 1375 1376 static int 1377 psmclose(struct dev_close_args *ap) 1378 { 1379 cdev_t dev = ap->a_head.a_dev; 1380 int unit = PSM_UNIT(dev); 1381 struct psm_softc *sc = PSM_SOFTC(unit); 1382 int stat[3]; 1383 int command_byte; 1384 1385 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1386 if (!kbdc_lock(sc->kbdc, TRUE)) 1387 return (EIO); 1388 1389 /* save the current controller command byte */ 1390 crit_enter(); 1391 command_byte = get_controller_command_byte(sc->kbdc); 1392 if (command_byte == -1) { 1393 kbdc_lock(sc->kbdc, FALSE); 1394 crit_exit(); 1395 return (EIO); 1396 } 1397 1398 /* disable the aux interrupt and temporalily disable the keyboard */ 1399 if (!set_controller_command_byte(sc->kbdc, 1400 kbdc_get_device_mask(sc->kbdc), 1401 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1402 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1403 log(LOG_ERR, "psm%d: failed to disable the aux int (psmclose).\n", 1404 unit); 1405 /* CONTROLLER ERROR; 1406 * NOTE: we shall force our way through. Because the only 1407 * ill effect we shall see is that we may not be able 1408 * to read ACK from the mouse, and it doesn't matter much 1409 * so long as the mouse will accept the DISABLE command. 1410 */ 1411 } 1412 crit_exit(); 1413 1414 /* stop the watchdog timer */ 1415 callout_stop(&sc->callout); 1416 1417 /* remove anything left in the output buffer */ 1418 empty_aux_buffer(sc->kbdc, 10); 1419 1420 /* disable the aux device, port and interrupt */ 1421 if (sc->state & PSM_VALID) { 1422 if (!disable_aux_dev(sc->kbdc)) { 1423 /* MOUSE ERROR; 1424 * NOTE: we don't return error and continue, pretending 1425 * we have successfully disabled the device. It's OK because 1426 * the interrupt routine will discard any data from the mouse 1427 * hereafter. 1428 */ 1429 log(LOG_ERR, "psm%d: failed to disable the device (psmclose).\n", 1430 unit); 1431 } 1432 1433 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1434 log(LOG_DEBUG, "psm%d: failed to get status (psmclose).\n", 1435 unit); 1436 } 1437 1438 if (!set_controller_command_byte(sc->kbdc, 1439 kbdc_get_device_mask(sc->kbdc), 1440 (command_byte & KBD_KBD_CONTROL_BITS) 1441 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1442 /* CONTROLLER ERROR; 1443 * we shall ignore this error; see the above comment. 1444 */ 1445 log(LOG_ERR, "psm%d: failed to disable the aux port (psmclose).\n", 1446 unit); 1447 } 1448 1449 /* remove anything left in the output buffer */ 1450 empty_aux_buffer(sc->kbdc, 10); 1451 1452 /* close is almost always successful */ 1453 sc->state &= ~PSM_OPEN; 1454 kbdc_lock(sc->kbdc, FALSE); 1455 #if 0 1456 device_unbusy(devclass_get_device(psm_devclass, unit)); 1457 #endif 1458 return (0); 1459 } 1460 1461 static int 1462 tame_mouse(struct psm_softc *sc, mousestatus_t *status, unsigned char *buf) 1463 { 1464 static unsigned char butmapps2[8] = { 1465 0, 1466 MOUSE_PS2_BUTTON1DOWN, 1467 MOUSE_PS2_BUTTON2DOWN, 1468 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1469 MOUSE_PS2_BUTTON3DOWN, 1470 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1471 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1472 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1473 }; 1474 static unsigned char butmapmsc[8] = { 1475 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1476 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1477 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1478 MOUSE_MSC_BUTTON3UP, 1479 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1480 MOUSE_MSC_BUTTON2UP, 1481 MOUSE_MSC_BUTTON1UP, 1482 0, 1483 }; 1484 int mapped; 1485 int i; 1486 1487 if (sc->mode.level == PSM_LEVEL_BASE) { 1488 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1489 if (status->button & MOUSE_BUTTON4DOWN) 1490 mapped |= MOUSE_BUTTON1DOWN; 1491 status->button = mapped; 1492 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1493 i = max(min(status->dx, 255), -256); 1494 if (i < 0) 1495 buf[0] |= MOUSE_PS2_XNEG; 1496 buf[1] = i; 1497 i = max(min(status->dy, 255), -256); 1498 if (i < 0) 1499 buf[0] |= MOUSE_PS2_YNEG; 1500 buf[2] = i; 1501 return MOUSE_PS2_PACKETSIZE; 1502 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1503 buf[0] = MOUSE_MSC_SYNC | butmapmsc[status->button & MOUSE_STDBUTTONS]; 1504 i = max(min(status->dx, 255), -256); 1505 buf[1] = i >> 1; 1506 buf[3] = i - buf[1]; 1507 i = max(min(status->dy, 255), -256); 1508 buf[2] = i >> 1; 1509 buf[4] = i - buf[2]; 1510 i = max(min(status->dz, 127), -128); 1511 buf[5] = (i >> 1) & 0x7f; 1512 buf[6] = (i - (i >> 1)) & 0x7f; 1513 buf[7] = (~status->button >> 3) & 0x7f; 1514 return MOUSE_SYS_PACKETSIZE; 1515 } 1516 return sc->inputbytes; 1517 } 1518 1519 static int 1520 psmread(struct dev_read_args *ap) 1521 { 1522 cdev_t dev = ap->a_head.a_dev; 1523 struct uio *uio = ap->a_uio; 1524 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1525 unsigned char buf[PSM_SMALLBUFSIZE]; 1526 int error = 0; 1527 int l; 1528 1529 if ((sc->state & PSM_VALID) == 0) 1530 return EIO; 1531 1532 /* block until mouse activity occured */ 1533 crit_enter(); 1534 while (sc->queue.count <= 0) { 1535 if (PSM_NBLOCKIO(dev)) { 1536 crit_exit(); 1537 return EWOULDBLOCK; 1538 } 1539 sc->state |= PSM_ASLP; 1540 error = tsleep((caddr_t) sc, PCATCH, "psmrea", 0); 1541 sc->state &= ~PSM_ASLP; 1542 if (error) { 1543 crit_exit(); 1544 return error; 1545 } else if ((sc->state & PSM_VALID) == 0) { 1546 /* the device disappeared! */ 1547 crit_exit(); 1548 return EIO; 1549 } 1550 } 1551 crit_exit(); 1552 1553 /* copy data to the user land */ 1554 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1555 crit_enter(); 1556 l = (int)szmin(sc->queue.count, uio->uio_resid); 1557 if (l > sizeof(buf)) 1558 l = sizeof(buf); 1559 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1560 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1561 sizeof(sc->queue.buf) - sc->queue.head); 1562 bcopy(&sc->queue.buf[0], 1563 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1564 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1565 } else { 1566 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1567 } 1568 sc->queue.count -= l; 1569 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1570 crit_exit(); 1571 error = uiomove(buf, (size_t)l, uio); 1572 if (error) 1573 break; 1574 } 1575 1576 return error; 1577 } 1578 1579 static int 1580 block_mouse_data(struct psm_softc *sc, int *c) 1581 { 1582 if (!kbdc_lock(sc->kbdc, TRUE)) 1583 return EIO; 1584 1585 crit_enter(); 1586 *c = get_controller_command_byte(sc->kbdc); 1587 if ((*c == -1) 1588 || !set_controller_command_byte(sc->kbdc, 1589 kbdc_get_device_mask(sc->kbdc), 1590 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1591 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1592 /* this is CONTROLLER ERROR */ 1593 crit_exit(); 1594 kbdc_lock(sc->kbdc, FALSE); 1595 return EIO; 1596 } 1597 1598 /* 1599 * The device may be in the middle of status data transmission. 1600 * The transmission will be interrupted, thus, incomplete status 1601 * data must be discarded. Although the aux interrupt is disabled 1602 * at the keyboard controller level, at most one aux interrupt 1603 * may have already been pending and a data byte is in the 1604 * output buffer; throw it away. Note that the second argument 1605 * to `empty_aux_buffer()' is zero, so that the call will just 1606 * flush the internal queue. 1607 * `psmintr()' will be invoked after `splx()' if an interrupt is 1608 * pending; it will see no data and returns immediately. 1609 */ 1610 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1611 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1612 sc->inputbytes = 0; 1613 crit_exit(); 1614 1615 return 0; 1616 } 1617 1618 static int 1619 unblock_mouse_data(struct psm_softc *sc, int c) 1620 { 1621 int error = 0; 1622 1623 /* 1624 * We may have seen a part of status data during `set_mouse_XXX()'. 1625 * they have been queued; flush it. 1626 */ 1627 empty_aux_buffer(sc->kbdc, 0); 1628 1629 /* restore ports and interrupt */ 1630 if (!set_controller_command_byte(sc->kbdc, 1631 kbdc_get_device_mask(sc->kbdc), 1632 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1633 /* CONTROLLER ERROR; this is serious, we may have 1634 * been left with the inaccessible keyboard and 1635 * the disabled mouse interrupt. 1636 */ 1637 error = EIO; 1638 } 1639 1640 kbdc_lock(sc->kbdc, FALSE); 1641 return error; 1642 } 1643 1644 static int 1645 psmioctl(struct dev_ioctl_args *ap) 1646 { 1647 cdev_t dev = ap->a_head.a_dev; 1648 caddr_t addr= ap->a_data; 1649 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1650 mousemode_t mode; 1651 mousestatus_t status; 1652 #if (defined(MOUSE_GETVARS)) 1653 mousevar_t *var; 1654 #endif 1655 mousedata_t *data; 1656 int stat[3]; 1657 int command_byte; 1658 int error = 0; 1659 1660 mode.resolution = -1; 1661 1662 /* Perform IOCTL command */ 1663 1664 switch (ap->a_cmd) { 1665 case OLD_MOUSE_GETHWINFO: 1666 crit_enter(); 1667 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1668 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1669 ((old_mousehw_t *)addr)->type = sc->hw.type; 1670 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1671 crit_exit(); 1672 break; 1673 1674 case MOUSE_GETHWINFO: 1675 crit_enter(); 1676 *(mousehw_t *)addr = sc->hw; 1677 if (sc->mode.level == PSM_LEVEL_BASE) 1678 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1679 crit_exit(); 1680 break; 1681 1682 case OLD_MOUSE_GETMODE: 1683 crit_enter(); 1684 switch (sc->mode.level) { 1685 case PSM_LEVEL_BASE: 1686 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1687 break; 1688 case PSM_LEVEL_STANDARD: 1689 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1690 break; 1691 case PSM_LEVEL_NATIVE: 1692 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1693 break; 1694 } 1695 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1696 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1697 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1698 crit_exit(); 1699 break; 1700 1701 case MOUSE_GETMODE: 1702 crit_enter(); 1703 *(mousemode_t *)addr = sc->mode; 1704 ((mousemode_t *)addr)->resolution = 1705 MOUSE_RES_LOW - sc->mode.resolution; 1706 switch (sc->mode.level) { 1707 case PSM_LEVEL_BASE: 1708 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1709 ((mousemode_t *)addr)->packetsize = MOUSE_PS2_PACKETSIZE; 1710 break; 1711 case PSM_LEVEL_STANDARD: 1712 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1713 ((mousemode_t *)addr)->packetsize = MOUSE_SYS_PACKETSIZE; 1714 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1715 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1716 break; 1717 case PSM_LEVEL_NATIVE: 1718 /* FIXME: this isn't quite correct... XXX */ 1719 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1720 break; 1721 } 1722 crit_exit(); 1723 break; 1724 1725 case OLD_MOUSE_SETMODE: 1726 case MOUSE_SETMODE: 1727 if (ap->a_cmd == OLD_MOUSE_SETMODE) { 1728 mode.rate = ((old_mousemode_t *)addr)->rate; 1729 /* 1730 * resolution old I/F new I/F 1731 * default 0 0 1732 * low 1 -2 1733 * medium low 2 -3 1734 * medium high 3 -4 1735 * high 4 -5 1736 */ 1737 if (((old_mousemode_t *)addr)->resolution > 0) 1738 mode.resolution = -((old_mousemode_t *)addr)->resolution - 1; 1739 mode.accelfactor = ((old_mousemode_t *)addr)->accelfactor; 1740 mode.level = -1; 1741 } else { 1742 mode = *(mousemode_t *)addr; 1743 } 1744 1745 /* adjust and validate parameters. */ 1746 if (mode.rate > UCHAR_MAX) 1747 return EINVAL; 1748 if (mode.rate == 0) 1749 mode.rate = sc->dflt_mode.rate; 1750 else if (mode.rate == -1) 1751 /* don't change the current setting */ 1752 ; 1753 else if (mode.rate < 0) 1754 return EINVAL; 1755 if (mode.resolution >= UCHAR_MAX) 1756 return EINVAL; 1757 if (mode.resolution >= 200) 1758 mode.resolution = MOUSE_RES_HIGH; 1759 else if (mode.resolution >= 100) 1760 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1761 else if (mode.resolution >= 50) 1762 mode.resolution = MOUSE_RES_MEDIUMLOW; 1763 else if (mode.resolution > 0) 1764 mode.resolution = MOUSE_RES_LOW; 1765 if (mode.resolution == MOUSE_RES_DEFAULT) 1766 mode.resolution = sc->dflt_mode.resolution; 1767 else if (mode.resolution == -1) 1768 /* don't change the current setting */ 1769 ; 1770 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1771 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1772 if (mode.level == -1) 1773 /* don't change the current setting */ 1774 mode.level = sc->mode.level; 1775 else if ((mode.level < PSM_LEVEL_MIN) || (mode.level > PSM_LEVEL_MAX)) 1776 return EINVAL; 1777 if (mode.accelfactor == -1) 1778 /* don't change the current setting */ 1779 mode.accelfactor = sc->mode.accelfactor; 1780 else if (mode.accelfactor < 0) 1781 return EINVAL; 1782 1783 /* don't allow anybody to poll the keyboard controller */ 1784 error = block_mouse_data(sc, &command_byte); 1785 if (error) 1786 return error; 1787 1788 /* set mouse parameters */ 1789 if (mode.rate > 0) 1790 mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1791 if (mode.resolution >= 0) 1792 mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1793 set_mouse_scaling(sc->kbdc, 1); 1794 get_mouse_status(sc->kbdc, stat, 0, 3); 1795 1796 crit_enter(); 1797 sc->mode.rate = mode.rate; 1798 sc->mode.resolution = mode.resolution; 1799 sc->mode.accelfactor = mode.accelfactor; 1800 sc->mode.level = mode.level; 1801 crit_exit(); 1802 1803 unblock_mouse_data(sc, command_byte); 1804 break; 1805 1806 case MOUSE_GETLEVEL: 1807 *(int *)addr = sc->mode.level; 1808 break; 1809 1810 case MOUSE_SETLEVEL: 1811 if ((*(int *)addr < PSM_LEVEL_MIN) || (*(int *)addr > PSM_LEVEL_MAX)) 1812 return EINVAL; 1813 sc->mode.level = *(int *)addr; 1814 break; 1815 1816 case MOUSE_GETSTATUS: 1817 crit_enter(); 1818 status = sc->status; 1819 sc->status.flags = 0; 1820 sc->status.obutton = sc->status.button; 1821 sc->status.button = 0; 1822 sc->status.dx = 0; 1823 sc->status.dy = 0; 1824 sc->status.dz = 0; 1825 crit_exit(); 1826 *(mousestatus_t *)addr = status; 1827 break; 1828 1829 #if (defined(MOUSE_GETVARS)) 1830 case MOUSE_GETVARS: 1831 var = (mousevar_t *)addr; 1832 bzero(var, sizeof(*var)); 1833 crit_enter(); 1834 var->var[0] = MOUSE_VARS_PS2_SIG; 1835 var->var[1] = sc->config; 1836 var->var[2] = sc->flags; 1837 crit_exit(); 1838 break; 1839 1840 case MOUSE_SETVARS: 1841 return ENODEV; 1842 #endif /* MOUSE_GETVARS */ 1843 1844 case MOUSE_READSTATE: 1845 case MOUSE_READDATA: 1846 data = (mousedata_t *)addr; 1847 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 1848 return EINVAL; 1849 1850 error = block_mouse_data(sc, &command_byte); 1851 if (error) 1852 return error; 1853 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 1854 (ap->a_cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 1855 error = EIO; 1856 unblock_mouse_data(sc, command_byte); 1857 break; 1858 1859 #if (defined(MOUSE_SETRESOLUTION)) 1860 case MOUSE_SETRESOLUTION: 1861 mode.resolution = *(int *)addr; 1862 if (mode.resolution >= UCHAR_MAX) 1863 return EINVAL; 1864 else if (mode.resolution >= 200) 1865 mode.resolution = MOUSE_RES_HIGH; 1866 else if (mode.resolution >= 100) 1867 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1868 else if (mode.resolution >= 50) 1869 mode.resolution = MOUSE_RES_MEDIUMLOW; 1870 else if (mode.resolution > 0) 1871 mode.resolution = MOUSE_RES_LOW; 1872 if (mode.resolution == MOUSE_RES_DEFAULT) 1873 mode.resolution = sc->dflt_mode.resolution; 1874 else if (mode.resolution == -1) 1875 mode.resolution = sc->mode.resolution; 1876 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1877 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1878 1879 error = block_mouse_data(sc, &command_byte); 1880 if (error) 1881 return error; 1882 sc->mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1883 if (sc->mode.resolution != mode.resolution) 1884 error = EIO; 1885 unblock_mouse_data(sc, command_byte); 1886 break; 1887 #endif /* MOUSE_SETRESOLUTION */ 1888 1889 #if (defined(MOUSE_SETRATE)) 1890 case MOUSE_SETRATE: 1891 mode.rate = *(int *)addr; 1892 if (mode.rate > UCHAR_MAX) 1893 return EINVAL; 1894 if (mode.rate == 0) 1895 mode.rate = sc->dflt_mode.rate; 1896 else if (mode.rate < 0) 1897 mode.rate = sc->mode.rate; 1898 1899 error = block_mouse_data(sc, &command_byte); 1900 if (error) 1901 return error; 1902 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1903 if (sc->mode.rate != mode.rate) 1904 error = EIO; 1905 unblock_mouse_data(sc, command_byte); 1906 break; 1907 #endif /* MOUSE_SETRATE */ 1908 1909 #if (defined(MOUSE_SETSCALING)) 1910 case MOUSE_SETSCALING: 1911 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 1912 return EINVAL; 1913 1914 error = block_mouse_data(sc, &command_byte); 1915 if (error) 1916 return error; 1917 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 1918 error = EIO; 1919 unblock_mouse_data(sc, command_byte); 1920 break; 1921 #endif /* MOUSE_SETSCALING */ 1922 1923 #if (defined(MOUSE_GETHWID)) 1924 case MOUSE_GETHWID: 1925 error = block_mouse_data(sc, &command_byte); 1926 if (error) 1927 return error; 1928 sc->hw.hwid &= ~0x00ff; 1929 sc->hw.hwid |= get_aux_id(sc->kbdc); 1930 *(int *)addr = sc->hw.hwid & 0x00ff; 1931 unblock_mouse_data(sc, command_byte); 1932 break; 1933 #endif /* MOUSE_GETHWID */ 1934 1935 default: 1936 return ENOTTY; 1937 } 1938 1939 return error; 1940 } 1941 1942 static void 1943 psmtimeout(void *arg) 1944 { 1945 struct psm_softc *sc; 1946 1947 sc = (struct psm_softc *)arg; 1948 crit_enter(); 1949 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 1950 if (verbose >= 4) 1951 log(LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit); 1952 psmintr(sc); 1953 kbdc_lock(sc->kbdc, FALSE); 1954 } 1955 sc->watchdog = TRUE; 1956 callout_reset(&sc->callout, hz, psmtimeout, (void *)(uintptr_t)sc); 1957 crit_exit(); 1958 } 1959 1960 static void 1961 psmintr(void *arg) 1962 { 1963 /* 1964 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 1965 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 1966 */ 1967 static int butmap[8] = { 1968 0, 1969 MOUSE_BUTTON1DOWN, 1970 MOUSE_BUTTON3DOWN, 1971 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 1972 MOUSE_BUTTON2DOWN, 1973 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 1974 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 1975 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 1976 }; 1977 static int butmap_versapad[8] = { 1978 0, 1979 MOUSE_BUTTON3DOWN, 1980 0, 1981 MOUSE_BUTTON3DOWN, 1982 MOUSE_BUTTON1DOWN, 1983 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 1984 MOUSE_BUTTON1DOWN, 1985 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 1986 }; 1987 struct psm_softc *sc = arg; 1988 mousestatus_t ms; 1989 struct timeval tv; 1990 int x, y, z; 1991 int c; 1992 int l; 1993 int x0, y0; 1994 1995 /* read until there is nothing to read */ 1996 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 1997 1998 /* discard the byte if the device is not open */ 1999 if ((sc->state & PSM_OPEN) == 0) 2000 continue; 2001 2002 getmicrouptime(&tv); 2003 if ((sc->inputbytes > 0) && timevalcmp(&tv, &sc->inputtimeout, >)) { 2004 log(LOG_DEBUG, "psmintr: delay too long; resetting byte count\n"); 2005 sc->inputbytes = 0; 2006 sc->syncerrors = 0; 2007 } 2008 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT/1000000; 2009 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT%1000000; 2010 timevaladd(&sc->inputtimeout, &tv); 2011 2012 sc->ipacket[sc->inputbytes++] = c; 2013 if (sc->inputbytes < sc->mode.packetsize) 2014 continue; 2015 2016 #if 0 2017 log(LOG_DEBUG, "psmintr: %02x %02x %02x %02x %02x %02x\n", 2018 sc->ipacket[0], sc->ipacket[1], sc->ipacket[2], 2019 sc->ipacket[3], sc->ipacket[4], sc->ipacket[5]); 2020 #endif 2021 2022 c = sc->ipacket[0]; 2023 2024 if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2025 log(LOG_DEBUG, "psmintr: out of sync (%04x != %04x).\n", 2026 c & sc->mode.syncmask[0], sc->mode.syncmask[1]); 2027 ++sc->syncerrors; 2028 if (sc->syncerrors < sc->mode.packetsize) { 2029 log(LOG_DEBUG, "psmintr: discard a byte (%d).\n", sc->syncerrors); 2030 --sc->inputbytes; 2031 bcopy(&sc->ipacket[1], &sc->ipacket[0], sc->inputbytes); 2032 } else if (sc->syncerrors == sc->mode.packetsize) { 2033 log(LOG_DEBUG, "psmintr: re-enable the mouse.\n"); 2034 sc->inputbytes = 0; 2035 disable_aux_dev(sc->kbdc); 2036 enable_aux_dev(sc->kbdc); 2037 } else if (sc->syncerrors < PSM_SYNCERR_THRESHOLD1) { 2038 log(LOG_DEBUG, "psmintr: discard a byte (%d).\n", sc->syncerrors); 2039 --sc->inputbytes; 2040 bcopy(&sc->ipacket[1], &sc->ipacket[0], sc->inputbytes); 2041 } else if (sc->syncerrors >= PSM_SYNCERR_THRESHOLD1) { 2042 log(LOG_DEBUG, "psmintr: reset the mouse.\n"); 2043 reinitialize(sc, TRUE); 2044 } 2045 continue; 2046 } 2047 2048 /* 2049 * A kludge for Kensington device! 2050 * The MSB of the horizontal count appears to be stored in 2051 * a strange place. 2052 */ 2053 if (sc->hw.model == MOUSE_MODEL_THINK) 2054 sc->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 2055 2056 /* ignore the overflow bits... */ 2057 x = (c & MOUSE_PS2_XNEG) ? sc->ipacket[1] - 256 : sc->ipacket[1]; 2058 y = (c & MOUSE_PS2_YNEG) ? sc->ipacket[2] - 256 : sc->ipacket[2]; 2059 z = 0; 2060 ms.obutton = sc->button; /* previous button state */ 2061 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 2062 /* `tapping' action */ 2063 if (sc->config & PSM_CONFIG_FORCETAP) 2064 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 2065 2066 switch (sc->hw.model) { 2067 2068 case MOUSE_MODEL_EXPLORER: 2069 /* 2070 * b7 b6 b5 b4 b3 b2 b1 b0 2071 * byte 1: oy ox sy sx 1 M R L 2072 * byte 2: x x x x x x x x 2073 * byte 3: y y y y y y y y 2074 * byte 4: * * S2 S1 s d2 d1 d0 2075 * 2076 * L, M, R, S1, S2: left, middle, right and side buttons 2077 * s: wheel data sign bit 2078 * d2-d0: wheel data 2079 */ 2080 z = (sc->ipacket[3] & MOUSE_EXPLORER_ZNEG) 2081 ? (sc->ipacket[3] & 0x0f) - 16 : (sc->ipacket[3] & 0x0f); 2082 ms.button |= (sc->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) 2083 ? MOUSE_BUTTON4DOWN : 0; 2084 ms.button |= (sc->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) 2085 ? MOUSE_BUTTON5DOWN : 0; 2086 break; 2087 2088 case MOUSE_MODEL_INTELLI: 2089 case MOUSE_MODEL_NET: 2090 /* wheel data is in the fourth byte */ 2091 z = (char)sc->ipacket[3]; 2092 /* some mice may send 7 when there is no Z movement?! XXX */ 2093 if ((z >= 7) || (z <= -7)) 2094 z = 0; 2095 /* some compatible mice have additional buttons */ 2096 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) 2097 ? MOUSE_BUTTON4DOWN : 0; 2098 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) 2099 ? MOUSE_BUTTON5DOWN : 0; 2100 break; 2101 2102 case MOUSE_MODEL_MOUSEMANPLUS: 2103 /* 2104 * PS2++ protocl packet 2105 * 2106 * b7 b6 b5 b4 b3 b2 b1 b0 2107 * byte 1: * 1 p3 p2 1 * * * 2108 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2109 * 2110 * p3-p0: packet type 2111 * c1, c2: c1 & c2 == 1, if p2 == 0 2112 * c1 & c2 == 0, if p2 == 1 2113 * 2114 * packet type: 0 (device type) 2115 * See comments in enable_mmanplus() below. 2116 * 2117 * packet type: 1 (wheel data) 2118 * 2119 * b7 b6 b5 b4 b3 b2 b1 b0 2120 * byte 3: h * B5 B4 s d2 d1 d0 2121 * 2122 * h: 1, if horizontal roller data 2123 * 0, if vertical roller data 2124 * B4, B5: button 4 and 5 2125 * s: sign bit 2126 * d2-d0: roller data 2127 * 2128 * packet type: 2 (reserved) 2129 */ 2130 if (((c & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) 2131 && (abs(x) > 191) 2132 && MOUSE_PS2PLUS_CHECKBITS(sc->ipacket)) { 2133 /* the extended data packet encodes button and wheel events */ 2134 switch (MOUSE_PS2PLUS_PACKET_TYPE(sc->ipacket)) { 2135 case 1: 2136 /* wheel data packet */ 2137 x = y = 0; 2138 if (sc->ipacket[2] & 0x80) { 2139 /* horizontal roller count - ignore it XXX*/ 2140 } else { 2141 /* vertical roller count */ 2142 z = (sc->ipacket[2] & MOUSE_PS2PLUS_ZNEG) 2143 ? (sc->ipacket[2] & 0x0f) - 16 2144 : (sc->ipacket[2] & 0x0f); 2145 } 2146 ms.button |= (sc->ipacket[2] & MOUSE_PS2PLUS_BUTTON4DOWN) 2147 ? MOUSE_BUTTON4DOWN : 0; 2148 ms.button |= (sc->ipacket[2] & MOUSE_PS2PLUS_BUTTON5DOWN) 2149 ? MOUSE_BUTTON5DOWN : 0; 2150 break; 2151 case 2: 2152 /* this packet type is reserved by Logitech... */ 2153 /* 2154 * IBM ScrollPoint Mouse uses this packet type to 2155 * encode both vertical and horizontal scroll movement. 2156 */ 2157 x = y = 0; 2158 /* horizontal count */ 2159 if (sc->ipacket[2] & 0x0f) 2160 z = (sc->ipacket[2] & MOUSE_SPOINT_WNEG) ? -2 : 2; 2161 /* vertical count */ 2162 if (sc->ipacket[2] & 0xf0) 2163 z = (sc->ipacket[2] & MOUSE_SPOINT_ZNEG) ? -1 : 1; 2164 #if 0 2165 /* vertical count */ 2166 z = (sc->ipacket[2] & MOUSE_SPOINT_ZNEG) 2167 ? ((sc->ipacket[2] >> 4) & 0x0f) - 16 2168 : ((sc->ipacket[2] >> 4) & 0x0f); 2169 /* horizontal count */ 2170 w = (sc->ipacket[2] & MOUSE_SPOINT_WNEG) 2171 ? (sc->ipacket[2] & 0x0f) - 16 2172 : (sc->ipacket[2] & 0x0f); 2173 #endif 2174 break; 2175 case 0: 2176 /* device type packet - shouldn't happen */ 2177 /* FALL THROUGH */ 2178 default: 2179 x = y = 0; 2180 ms.button = ms.obutton; 2181 if (bootverbose) 2182 log(LOG_DEBUG, "psmintr: unknown PS2++ packet type %d: " 2183 "0x%02x 0x%02x 0x%02x\n", 2184 MOUSE_PS2PLUS_PACKET_TYPE(sc->ipacket), 2185 sc->ipacket[0], sc->ipacket[1], sc->ipacket[2]); 2186 break; 2187 } 2188 } else { 2189 /* preserve button states */ 2190 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2191 } 2192 break; 2193 2194 case MOUSE_MODEL_GLIDEPOINT: 2195 /* `tapping' action */ 2196 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 2197 break; 2198 2199 case MOUSE_MODEL_NETSCROLL: 2200 /* three addtional bytes encode buttons and wheel events */ 2201 ms.button |= (sc->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) 2202 ? MOUSE_BUTTON4DOWN : 0; 2203 ms.button |= (sc->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) 2204 ? MOUSE_BUTTON5DOWN : 0; 2205 z = (sc->ipacket[3] & MOUSE_PS2_XNEG) 2206 ? sc->ipacket[4] - 256 : sc->ipacket[4]; 2207 break; 2208 2209 case MOUSE_MODEL_THINK: 2210 /* the fourth button state in the first byte */ 2211 ms.button |= (c & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0; 2212 break; 2213 2214 case MOUSE_MODEL_VERSAPAD: 2215 /* VersaPad PS/2 absolute mode message format 2216 * 2217 * [packet1] 7 6 5 4 3 2 1 0(LSB) 2218 * ipacket[0]: 1 1 0 A 1 L T R 2219 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 2220 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 2221 * ipacket[3]: 1 1 1 A 1 L T R 2222 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 2223 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 2224 * 2225 * [note] 2226 * R: right physical mouse button (1=on) 2227 * T: touch pad virtual button (1=tapping) 2228 * L: left physical mouse button (1=on) 2229 * A: position data is valid (1=valid) 2230 * H: horizontal data (12bit signed integer. H11 is sign bit.) 2231 * V: vertical data (12bit signed integer. V11 is sign bit.) 2232 * P: pressure data 2233 * 2234 * Tapping is mapped to MOUSE_BUTTON4. 2235 */ 2236 ms.button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 2237 ms.button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 2238 x = y = 0; 2239 if (c & MOUSE_PS2VERSA_IN_USE) { 2240 x0 = sc->ipacket[1] | (((sc->ipacket[4]) & 0x0f) << 8); 2241 y0 = sc->ipacket[2] | (((sc->ipacket[4]) & 0xf0) << 4); 2242 if (x0 & 0x800) 2243 x0 -= 0x1000; 2244 if (y0 & 0x800) 2245 y0 -= 0x1000; 2246 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2247 x = sc->xold - x0; 2248 y = y0 - sc->yold; 2249 if (x < 0) /* XXX */ 2250 x++; 2251 else if (x) 2252 x--; 2253 if (y < 0) 2254 y++; 2255 else if (y) 2256 y--; 2257 } else { 2258 sc->flags |= PSM_FLAGS_FINGERDOWN; 2259 } 2260 sc->xold = x0; 2261 sc->yold = y0; 2262 } else { 2263 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2264 } 2265 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) 2266 | ((y < 0) ? MOUSE_PS2_YNEG : 0); 2267 break; 2268 2269 case MOUSE_MODEL_4D: 2270 /* 2271 * b7 b6 b5 b4 b3 b2 b1 b0 2272 * byte 1: s2 d2 s1 d1 1 M R L 2273 * byte 2: sx x x x x x x x 2274 * byte 3: sy y y y y y y y 2275 * 2276 * s1: wheel 1 direction 2277 * d1: wheel 1 data 2278 * s2: wheel 2 direction 2279 * d2: wheel 2 data 2280 */ 2281 x = (sc->ipacket[1] & 0x80) ? sc->ipacket[1] - 256 : sc->ipacket[1]; 2282 y = (sc->ipacket[2] & 0x80) ? sc->ipacket[2] - 256 : sc->ipacket[2]; 2283 switch (c & MOUSE_4D_WHEELBITS) { 2284 case 0x10: 2285 z = 1; 2286 break; 2287 case 0x30: 2288 z = -1; 2289 break; 2290 case 0x40: /* 2nd wheel turning right XXX */ 2291 z = 2; 2292 break; 2293 case 0xc0: /* 2nd wheel turning left XXX */ 2294 z = -2; 2295 break; 2296 } 2297 break; 2298 2299 case MOUSE_MODEL_4DPLUS: 2300 if ((x < 16 - 256) && (y < 16 - 256)) { 2301 /* 2302 * b7 b6 b5 b4 b3 b2 b1 b0 2303 * byte 1: 0 0 1 1 1 M R L 2304 * byte 2: 0 0 0 0 1 0 0 0 2305 * byte 3: 0 0 0 0 S s d1 d0 2306 * 2307 * L, M, R, S: left, middle, right and side buttons 2308 * s: wheel data sign bit 2309 * d1-d0: wheel data 2310 */ 2311 x = y = 0; 2312 if (sc->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 2313 ms.button |= MOUSE_BUTTON4DOWN; 2314 z = (sc->ipacket[2] & MOUSE_4DPLUS_ZNEG) 2315 ? ((sc->ipacket[2] & 0x07) - 8) 2316 : (sc->ipacket[2] & 0x07) ; 2317 } else { 2318 /* preserve previous button states */ 2319 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2320 } 2321 break; 2322 2323 case MOUSE_MODEL_GENERIC: 2324 default: 2325 break; 2326 } 2327 2328 /* scale values */ 2329 if (sc->mode.accelfactor >= 1) { 2330 if (x != 0) { 2331 x = x * x / sc->mode.accelfactor; 2332 if (x == 0) 2333 x = 1; 2334 if (c & MOUSE_PS2_XNEG) 2335 x = -x; 2336 } 2337 if (y != 0) { 2338 y = y * y / sc->mode.accelfactor; 2339 if (y == 0) 2340 y = 1; 2341 if (c & MOUSE_PS2_YNEG) 2342 y = -y; 2343 } 2344 } 2345 2346 ms.dx = x; 2347 ms.dy = y; 2348 ms.dz = z; 2349 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) 2350 | (ms.obutton ^ ms.button); 2351 2352 if (sc->mode.level < PSM_LEVEL_NATIVE) 2353 sc->inputbytes = tame_mouse(sc, &ms, sc->ipacket); 2354 2355 sc->status.flags |= ms.flags; 2356 sc->status.dx += ms.dx; 2357 sc->status.dy += ms.dy; 2358 sc->status.dz += ms.dz; 2359 sc->status.button = ms.button; 2360 sc->button = ms.button; 2361 2362 sc->watchdog = FALSE; 2363 2364 /* queue data */ 2365 if (sc->queue.count + sc->inputbytes < sizeof(sc->queue.buf)) { 2366 l = min(sc->inputbytes, sizeof(sc->queue.buf) - sc->queue.tail); 2367 bcopy(&sc->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 2368 if (sc->inputbytes > l) 2369 bcopy(&sc->ipacket[l], &sc->queue.buf[0], sc->inputbytes - l); 2370 sc->queue.tail = 2371 (sc->queue.tail + sc->inputbytes) % sizeof(sc->queue.buf); 2372 sc->queue.count += sc->inputbytes; 2373 } 2374 sc->inputbytes = 0; 2375 2376 if (sc->state & PSM_ASLP) { 2377 sc->state &= ~PSM_ASLP; 2378 wakeup((caddr_t) sc); 2379 } 2380 KNOTE(&sc->rsel.si_note, 0); 2381 } 2382 } 2383 2384 static struct filterops psmfiltops = 2385 { 1, NULL, psmfilter_detach, psmfilter }; 2386 2387 static int 2388 psmkqfilter(struct dev_kqfilter_args *ap) 2389 { 2390 cdev_t dev = ap->a_head.a_dev; 2391 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 2392 struct knote *kn = ap->a_kn; 2393 struct klist *klist; 2394 2395 ap->a_result = 0; 2396 2397 switch (kn->kn_filter) { 2398 case EVFILT_READ: 2399 kn->kn_fop = &psmfiltops; 2400 kn->kn_hook = (caddr_t)sc; 2401 break; 2402 default: 2403 ap->a_result = EOPNOTSUPP; 2404 return (0); 2405 } 2406 2407 crit_enter(); 2408 klist = &sc->rsel.si_note; 2409 SLIST_INSERT_HEAD(klist, kn, kn_selnext); 2410 crit_exit(); 2411 2412 return (0); 2413 } 2414 2415 static void 2416 psmfilter_detach(struct knote *kn) 2417 { 2418 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 2419 struct klist *klist; 2420 2421 crit_enter(); 2422 klist = &sc->rsel.si_note; 2423 SLIST_REMOVE(klist, kn, knote, kn_selnext); 2424 crit_exit(); 2425 } 2426 2427 static int 2428 psmfilter(struct knote *kn, long hint) 2429 { 2430 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 2431 int ready = 0; 2432 2433 crit_enter(); 2434 if (sc->queue.count > 0) 2435 ready = 1; 2436 crit_exit(); 2437 2438 return (ready); 2439 } 2440 2441 /* vendor/model specific routines */ 2442 2443 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 2444 { 2445 if (set_mouse_resolution(kbdc, res) != res) 2446 return FALSE; 2447 if (set_mouse_scaling(kbdc, scale) 2448 && set_mouse_scaling(kbdc, scale) 2449 && set_mouse_scaling(kbdc, scale) 2450 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) 2451 return TRUE; 2452 return FALSE; 2453 } 2454 2455 static int 2456 mouse_ext_command(KBDC kbdc, int command) 2457 { 2458 int c; 2459 2460 c = (command >> 6) & 0x03; 2461 if (set_mouse_resolution(kbdc, c) != c) 2462 return FALSE; 2463 c = (command >> 4) & 0x03; 2464 if (set_mouse_resolution(kbdc, c) != c) 2465 return FALSE; 2466 c = (command >> 2) & 0x03; 2467 if (set_mouse_resolution(kbdc, c) != c) 2468 return FALSE; 2469 c = (command >> 0) & 0x03; 2470 if (set_mouse_resolution(kbdc, c) != c) 2471 return FALSE; 2472 return TRUE; 2473 } 2474 2475 #if notyet 2476 /* Logitech MouseMan Cordless II */ 2477 static int 2478 enable_lcordless(struct psm_softc *sc) 2479 { 2480 int status[3]; 2481 int ch; 2482 2483 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 2484 return FALSE; 2485 if (status[1] == PSMD_RES_HIGH) 2486 return FALSE; 2487 ch = (status[0] & 0x07) - 1; /* channel # */ 2488 if ((ch <= 0) || (ch > 4)) 2489 return FALSE; 2490 /* 2491 * status[1]: always one? 2492 * status[2]: battery status? (0-100) 2493 */ 2494 return TRUE; 2495 } 2496 #endif /* notyet */ 2497 2498 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 2499 static int 2500 enable_groller(struct psm_softc *sc) 2501 { 2502 int status[3]; 2503 2504 /* 2505 * The special sequence to enable the fourth button and the 2506 * roller. Immediately after this sequence check status bytes. 2507 * if the mouse is NetScroll, the second and the third bytes are 2508 * '3' and 'D'. 2509 */ 2510 2511 /* 2512 * If the mouse is an ordinary PS/2 mouse, the status bytes should 2513 * look like the following. 2514 * 2515 * byte 1 bit 7 always 0 2516 * bit 6 stream mode (0) 2517 * bit 5 disabled (0) 2518 * bit 4 1:1 scaling (0) 2519 * bit 3 always 0 2520 * bit 0-2 button status 2521 * byte 2 resolution (PSMD_RES_HIGH) 2522 * byte 3 report rate (?) 2523 */ 2524 2525 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2526 return FALSE; 2527 if ((status[1] != '3') || (status[2] != 'D')) 2528 return FALSE; 2529 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 2530 sc->hw.buttons = 4; 2531 return TRUE; 2532 } 2533 2534 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 2535 static int 2536 enable_gmouse(struct psm_softc *sc) 2537 { 2538 int status[3]; 2539 2540 /* 2541 * The special sequence to enable the middle, "rubber" button. 2542 * Immediately after this sequence check status bytes. 2543 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 2544 * the second and the third bytes are '3' and 'U'. 2545 * NOTE: NetMouse reports that it has three buttons although it has 2546 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 2547 * say they have three buttons too and they do have a button on the 2548 * side... 2549 */ 2550 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2551 return FALSE; 2552 if ((status[1] != '3') || (status[2] != 'U')) 2553 return FALSE; 2554 return TRUE; 2555 } 2556 2557 /* ALPS GlidePoint */ 2558 static int 2559 enable_aglide(struct psm_softc *sc) 2560 { 2561 int status[3]; 2562 2563 /* 2564 * The special sequence to obtain ALPS GlidePoint specific 2565 * information. Immediately after this sequence, status bytes will 2566 * contain something interesting. 2567 * NOTE: ALPS produces several models of GlidePoint. Some of those 2568 * do not respond to this sequence, thus, cannot be detected this way. 2569 */ 2570 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 2571 return FALSE; 2572 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 2573 return FALSE; 2574 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 2575 return FALSE; 2576 return TRUE; 2577 } 2578 2579 /* Kensington ThinkingMouse/Trackball */ 2580 static int 2581 enable_kmouse(struct psm_softc *sc) 2582 { 2583 static unsigned char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 2584 KBDC kbdc = sc->kbdc; 2585 int status[3]; 2586 int id1; 2587 int id2; 2588 int i; 2589 2590 id1 = get_aux_id(kbdc); 2591 if (set_mouse_sampling_rate(kbdc, 10) != 10) 2592 return FALSE; 2593 /* 2594 * The device is now in the native mode? It returns a different 2595 * ID value... 2596 */ 2597 id2 = get_aux_id(kbdc); 2598 if ((id1 == id2) || (id2 != 2)) 2599 return FALSE; 2600 2601 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 2602 return FALSE; 2603 #if PSM_DEBUG >= 2 2604 /* at this point, resolution is LOW, sampling rate is 10/sec */ 2605 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2606 return FALSE; 2607 #endif 2608 2609 /* 2610 * The special sequence to enable the third and fourth buttons. 2611 * Otherwise they behave like the first and second buttons. 2612 */ 2613 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2614 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2615 return FALSE; 2616 } 2617 2618 /* 2619 * At this point, the device is using default resolution and 2620 * sampling rate for the native mode. 2621 */ 2622 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2623 return FALSE; 2624 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 2625 return FALSE; 2626 2627 /* the device appears be enabled by this sequence, diable it for now */ 2628 disable_aux_dev(kbdc); 2629 empty_aux_buffer(kbdc, 5); 2630 2631 return TRUE; 2632 } 2633 2634 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 2635 static int 2636 enable_mmanplus(struct psm_softc *sc) 2637 { 2638 KBDC kbdc = sc->kbdc; 2639 int data[3]; 2640 2641 /* the special sequence to enable the fourth button and the roller. */ 2642 /* 2643 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 2644 * must be called exactly three times since the last RESET command 2645 * before this sequence. XXX 2646 */ 2647 if (!set_mouse_scaling(kbdc, 1)) 2648 return FALSE; 2649 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 2650 return FALSE; 2651 if (get_mouse_status(kbdc, data, 1, 3) < 3) 2652 return FALSE; 2653 2654 /* 2655 * PS2++ protocl, packet type 0 2656 * 2657 * b7 b6 b5 b4 b3 b2 b1 b0 2658 * byte 1: * 1 p3 p2 1 * * * 2659 * byte 2: 1 1 p1 p0 m1 m0 1 0 2660 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 2661 * 2662 * p3-p0: packet type: 0 2663 * m7-m0: model ID: MouseMan+:0x50, FirstMouse+:0x51, ScrollPoint:0x58... 2664 */ 2665 /* check constant bits */ 2666 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 2667 return FALSE; 2668 if ((data[1] & 0xc3) != 0xc2) 2669 return FALSE; 2670 /* check d3-d0 in byte 2 */ 2671 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 2672 return FALSE; 2673 /* check p3-p0 */ 2674 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 2675 return FALSE; 2676 2677 sc->hw.hwid &= 0x00ff; 2678 sc->hw.hwid |= data[2] << 8; /* save model ID */ 2679 2680 /* 2681 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 2682 * the wheel and the fourth button events are encoded in the 2683 * special data packet. The mouse may be put in the IntelliMouse mode 2684 * if it is initialized by the IntelliMouse's method. 2685 */ 2686 return TRUE; 2687 } 2688 2689 /* MS IntelliMouse Explorer */ 2690 static int 2691 enable_msexplorer(struct psm_softc *sc) 2692 { 2693 static unsigned char rate0[] = { 200, 100, 80, }; 2694 static unsigned char rate1[] = { 200, 200, 80, }; 2695 KBDC kbdc = sc->kbdc; 2696 int id; 2697 int i; 2698 2699 /* the special sequence to enable the extra buttons and the roller. */ 2700 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) { 2701 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 2702 return FALSE; 2703 } 2704 /* the device will give the genuine ID only after the above sequence */ 2705 id = get_aux_id(kbdc); 2706 if (id != PSM_EXPLORER_ID) 2707 return FALSE; 2708 2709 sc->hw.hwid = id; 2710 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 2711 2712 /* 2713 * XXX: this is a kludge to fool some KVM switch products 2714 * which think they are clever enough to know the 4-byte IntelliMouse 2715 * protocol, and assume any other protocols use 3-byte packets. 2716 * They don't convey 4-byte data packets from the IntelliMouse Explorer 2717 * correctly to the host computer because of this! 2718 * The following sequence is actually IntelliMouse's "wake up" 2719 * sequence; it will make the KVM think the mouse is IntelliMouse 2720 * when it is in fact IntelliMouse Explorer. 2721 */ 2722 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) { 2723 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 2724 break; 2725 } 2726 id = get_aux_id(kbdc); 2727 2728 return TRUE; 2729 } 2730 2731 /* MS IntelliMouse */ 2732 static int 2733 enable_msintelli(struct psm_softc *sc) 2734 { 2735 /* 2736 * Logitech MouseMan+ and FirstMouse+ will also respond to this 2737 * probe routine and act like IntelliMouse. 2738 */ 2739 2740 static unsigned char rate[] = { 200, 100, 80, }; 2741 KBDC kbdc = sc->kbdc; 2742 int id; 2743 int i; 2744 2745 /* the special sequence to enable the third button and the roller. */ 2746 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2747 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2748 return FALSE; 2749 } 2750 /* the device will give the genuine ID only after the above sequence */ 2751 id = get_aux_id(kbdc); 2752 if (id != PSM_INTELLI_ID) 2753 return FALSE; 2754 2755 sc->hw.hwid = id; 2756 sc->hw.buttons = 3; 2757 2758 return TRUE; 2759 } 2760 2761 /* A4 Tech 4D Mouse */ 2762 static int 2763 enable_4dmouse(struct psm_softc *sc) 2764 { 2765 /* 2766 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 2767 */ 2768 2769 static unsigned char rate[] = { 200, 100, 80, 60, 40, 20 }; 2770 KBDC kbdc = sc->kbdc; 2771 int id; 2772 int i; 2773 2774 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2775 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2776 return FALSE; 2777 } 2778 id = get_aux_id(kbdc); 2779 /* 2780 * WinEasy 4D, 4 Way Scroll 4D: 6 2781 * Cable-Free 4D: 8 (4DPLUS) 2782 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 2783 */ 2784 if (id != PSM_4DMOUSE_ID) 2785 return FALSE; 2786 2787 sc->hw.hwid = id; 2788 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 2789 2790 return TRUE; 2791 } 2792 2793 /* A4 Tech 4D+ Mouse */ 2794 static int 2795 enable_4dplus(struct psm_softc *sc) 2796 { 2797 /* 2798 * Newer wheel mice from A4 Tech seem to use this protocol. 2799 * Older models are recognized as either 4D Mouse or IntelliMouse. 2800 */ 2801 KBDC kbdc = sc->kbdc; 2802 int id; 2803 2804 /* 2805 * enable_4dmouse() already issued the following ID sequence... 2806 static unsigned char rate[] = { 200, 100, 80, 60, 40, 20 }; 2807 int i; 2808 2809 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2810 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2811 return FALSE; 2812 } 2813 */ 2814 2815 id = get_aux_id(kbdc); 2816 if (id != PSM_4DPLUS_ID) 2817 return FALSE; 2818 2819 sc->hw.hwid = id; 2820 sc->hw.buttons = 4; /* XXX */ 2821 2822 return TRUE; 2823 } 2824 2825 /* Interlink electronics VersaPad */ 2826 static int 2827 enable_versapad(struct psm_softc *sc) 2828 { 2829 KBDC kbdc = sc->kbdc; 2830 int data[3]; 2831 2832 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 2833 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 2834 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2835 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2836 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2837 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2838 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 2839 return FALSE; 2840 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 2841 return FALSE; 2842 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 2843 2844 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 2845 2846 return TRUE; /* PS/2 absolute mode */ 2847 } 2848 2849 static int 2850 psmresume(device_t dev) 2851 { 2852 struct psm_softc *sc = device_get_softc(dev); 2853 int unit = device_get_unit(dev); 2854 int err; 2855 2856 if (verbose >= 2) 2857 log(LOG_NOTICE, "psm%d: system resume hook called.\n", unit); 2858 2859 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 2860 return (0); 2861 2862 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 2863 2864 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 2865 /* 2866 * Release the blocked process; it must be notified that the device 2867 * cannot be accessed anymore. 2868 */ 2869 sc->state &= ~PSM_ASLP; 2870 wakeup((caddr_t)sc); 2871 } 2872 2873 if (verbose >= 2) 2874 log(LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit); 2875 2876 return (err); 2877 } 2878 2879 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 2880