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 synapticshw_t synhw; /* Synaptics-specific 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 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 168 int pqueue_start; /* start of data in queue */ 169 int pqueue_end; /* end of data in queue */ 170 int button; /* the latest button state */ 171 int xold; /* previous absolute X position */ 172 int yold; /* previous absolute Y position */ 173 int syncerrors; /* XXX: KILL ME! */ 174 struct timeval inputtimeout; 175 struct timeval lastsoftintr; /* time of last soft interrupt */ 176 struct timeval lastinputerr; /* time last sync error happened */ 177 int watchdog; /* watchdog timer flag */ 178 struct callout_handle callout; /* watchdog timer call out */ 179 struct callout_handle softcallout; /* buffer timer call out */ 180 struct cdev *dev; 181 struct cdev *bdev; 182 int lasterr; 183 int cmdcount; 184 }; 185 static devclass_t psm_devclass; 186 #define PSM_SOFTC(unit) ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 187 188 /* driver state flags (state) */ 189 #define PSM_VALID 0x80 190 #define PSM_OPEN 1 /* Device is open */ 191 #define PSM_ASLP 2 /* Waiting for mouse data */ 192 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 193 194 /* driver configuration flags (config) */ 195 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 196 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 197 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 198 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 199 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 200 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 201 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 202 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 203 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 204 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 205 206 #define PSM_CONFIG_FLAGS (PSM_CONFIG_RESOLUTION \ 207 | PSM_CONFIG_ACCEL \ 208 | PSM_CONFIG_NOCHECKSYNC \ 209 | PSM_CONFIG_SYNCHACK \ 210 | PSM_CONFIG_NOIDPROBE \ 211 | PSM_CONFIG_NORESET \ 212 | PSM_CONFIG_FORCETAP \ 213 | PSM_CONFIG_IGNPORTERROR \ 214 | PSM_CONFIG_HOOKRESUME \ 215 | PSM_CONFIG_INITAFTERSUSPEND) 216 217 /* other flags (flags) */ 218 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 219 220 /* for backward compatibility */ 221 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 222 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 223 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 224 225 typedef struct old_mousehw { 226 int buttons; 227 int iftype; 228 int type; 229 int hwid; 230 } old_mousehw_t; 231 232 typedef struct old_mousemode { 233 int protocol; 234 int rate; 235 int resolution; 236 int accelfactor; 237 } old_mousemode_t; 238 239 /* packet formatting function */ 240 typedef int packetfunc_t(struct psm_softc *, unsigned char *, 241 int *, int, mousestatus_t *); 242 243 /* function prototypes */ 244 static void psmidentify(driver_t *, device_t); 245 static int psmprobe(device_t); 246 static int psmattach(device_t); 247 static int psmdetach(device_t); 248 static int psmresume(device_t); 249 250 static d_open_t psmopen; 251 static d_close_t psmclose; 252 static d_read_t psmread; 253 static d_ioctl_t psmioctl; 254 static d_poll_t psmpoll; 255 256 static int enable_aux_dev(KBDC); 257 static int disable_aux_dev(KBDC); 258 static int get_mouse_status(KBDC, int *, int, int); 259 static int get_aux_id(KBDC); 260 static int set_mouse_sampling_rate(KBDC, int); 261 static int set_mouse_scaling(KBDC, int); 262 static int set_mouse_resolution(KBDC, int); 263 static int set_mouse_mode(KBDC); 264 static int get_mouse_buttons(KBDC); 265 static int is_a_mouse(int); 266 static void recover_from_error(KBDC); 267 static int restore_controller(KBDC, int); 268 static int doinitialize(struct psm_softc *, mousemode_t *); 269 static int doopen(struct psm_softc *, int); 270 static int reinitialize(struct psm_softc *, int); 271 static char *model_name(int); 272 static void psmsoftintr(void *); 273 static void psmintr(void *); 274 static void psmtimeout(void *); 275 static int timeelapsed(const struct timeval *, 276 int, int, const struct timeval *); 277 static void dropqueue(struct psm_softc *); 278 static void flushpackets(struct psm_softc *); 279 280 /* vendor specific features */ 281 typedef int probefunc_t(struct psm_softc *); 282 283 static int mouse_id_proc1(KBDC, int, int, int *); 284 static int mouse_ext_command(KBDC, int); 285 static probefunc_t enable_groller; 286 static probefunc_t enable_gmouse; 287 static probefunc_t enable_aglide; 288 static probefunc_t enable_kmouse; 289 static probefunc_t enable_msexplorer; 290 static probefunc_t enable_msintelli; 291 static probefunc_t enable_4dmouse; 292 static probefunc_t enable_4dplus; 293 static probefunc_t enable_mmanplus; 294 static probefunc_t enable_synaptics; 295 static probefunc_t enable_versapad; 296 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, unsigned char *); 297 298 static struct { 299 int model; 300 unsigned char syncmask; 301 int packetsize; 302 probefunc_t *probefunc; 303 } vendortype[] = { 304 /* 305 * WARNING: the order of probe is very important. Don't mess it 306 * unless you know what you are doing. 307 */ 308 { MOUSE_MODEL_NET, /* Genius NetMouse */ 309 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse, }, 310 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 311 0xc8, 6, enable_groller, }, 312 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 313 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus, }, 314 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 315 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer, }, 316 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 317 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse, }, 318 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 319 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus, }, 320 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 321 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli, }, 322 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 323 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide, }, 324 { MOUSE_MODEL_THINK, /* Kensignton ThinkingMouse */ 325 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse, }, 326 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 327 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad, }, 328 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 329 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics, }, 330 { MOUSE_MODEL_GENERIC, 331 0xc0, MOUSE_PS2_PACKETSIZE, NULL, }, 332 }; 333 #define GENERIC_MOUSE_ENTRY ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 334 335 /* device driver declarateion */ 336 static device_method_t psm_methods[] = { 337 /* Device interface */ 338 DEVMETHOD(device_identify, psmidentify), 339 DEVMETHOD(device_probe, psmprobe), 340 DEVMETHOD(device_attach, psmattach), 341 DEVMETHOD(device_detach, psmdetach), 342 DEVMETHOD(device_resume, psmresume), 343 344 { 0, 0 } 345 }; 346 347 static driver_t psm_driver = { 348 PSM_DRIVER_NAME, 349 psm_methods, 350 sizeof(struct psm_softc), 351 }; 352 353 354 static struct cdevsw psm_cdevsw = { 355 .d_version = D_VERSION, 356 .d_flags = D_NEEDGIANT, 357 .d_open = psmopen, 358 .d_close = psmclose, 359 .d_read = psmread, 360 .d_ioctl = psmioctl, 361 .d_poll = psmpoll, 362 .d_name = PSM_DRIVER_NAME, 363 }; 364 365 /* debug message level */ 366 static int verbose = PSM_DEBUG; 367 368 /* device I/O routines */ 369 static int 370 enable_aux_dev(KBDC kbdc) 371 { 372 int res; 373 374 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 375 if (verbose >= 2) 376 log(LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res); 377 378 return (res == PSM_ACK); 379 } 380 381 static int 382 disable_aux_dev(KBDC kbdc) 383 { 384 int res; 385 386 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 387 if (verbose >= 2) 388 log(LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res); 389 390 return (res == PSM_ACK); 391 } 392 393 static int 394 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 395 { 396 int cmd; 397 int res; 398 int i; 399 400 switch (flag) { 401 case 0: 402 default: 403 cmd = PSMC_SEND_DEV_STATUS; 404 break; 405 case 1: 406 cmd = PSMC_SEND_DEV_DATA; 407 break; 408 } 409 empty_aux_buffer(kbdc, 5); 410 res = send_aux_command(kbdc, cmd); 411 if (verbose >= 2) 412 log(LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 413 (flag == 1) ? "DATA" : "STATUS", res); 414 if (res != PSM_ACK) 415 return 0; 416 417 for (i = 0; i < len; ++i) { 418 status[i] = read_aux_data(kbdc); 419 if (status[i] < 0) 420 break; 421 } 422 423 if (verbose) { 424 log(LOG_DEBUG, "psm: %s %02x %02x %02x\n", 425 (flag == 1) ? "data" : "status", status[0], status[1], status[2]); 426 } 427 428 return i; 429 } 430 431 static int 432 get_aux_id(KBDC kbdc) 433 { 434 int res; 435 int id; 436 437 empty_aux_buffer(kbdc, 5); 438 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 439 if (verbose >= 2) 440 log(LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res); 441 if (res != PSM_ACK) 442 return (-1); 443 444 /* 10ms delay */ 445 DELAY(10000); 446 447 id = read_aux_data(kbdc); 448 if (verbose >= 2) 449 log(LOG_DEBUG, "psm: device ID: %04x\n", id); 450 451 return id; 452 } 453 454 static int 455 set_mouse_sampling_rate(KBDC kbdc, int rate) 456 { 457 int res; 458 459 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 460 if (verbose >= 2) 461 log(LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res); 462 463 return ((res == PSM_ACK) ? rate : -1); 464 } 465 466 static int 467 set_mouse_scaling(KBDC kbdc, int scale) 468 { 469 int res; 470 471 switch (scale) { 472 case 1: 473 default: 474 scale = PSMC_SET_SCALING11; 475 break; 476 case 2: 477 scale = PSMC_SET_SCALING21; 478 break; 479 } 480 res = send_aux_command(kbdc, scale); 481 if (verbose >= 2) 482 log(LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 483 (scale == PSMC_SET_SCALING21) ? "21" : "11", res); 484 485 return (res == PSM_ACK); 486 } 487 488 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 489 static int 490 set_mouse_resolution(KBDC kbdc, int val) 491 { 492 int res; 493 494 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 495 if (verbose >= 2) 496 log(LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res); 497 498 return ((res == PSM_ACK) ? val : -1); 499 } 500 501 /* 502 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 503 * re-enabled by calling `enable_aux_dev()' 504 */ 505 static int 506 set_mouse_mode(KBDC kbdc) 507 { 508 int res; 509 510 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 511 if (verbose >= 2) 512 log(LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res); 513 514 return (res == PSM_ACK); 515 } 516 517 static int 518 get_mouse_buttons(KBDC kbdc) 519 { 520 int c = 2; /* assume two buttons by default */ 521 int status[3]; 522 523 /* 524 * NOTE: a special sequence to obtain Logitech Mouse specific 525 * information: set resolution to 25 ppi, set scaling to 1:1, set 526 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 527 * mouse status bytes is the number of available buttons. 528 * Some manufactures also support this sequence. 529 */ 530 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 531 return c; 532 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) 533 && set_mouse_scaling(kbdc, 1) 534 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) { 535 if (status[1] != 0) 536 return status[1]; 537 } 538 return c; 539 } 540 541 /* misc subroutines */ 542 /* 543 * Someday, I will get the complete list of valid pointing devices and 544 * their IDs... XXX 545 */ 546 static int 547 is_a_mouse(int id) 548 { 549 #if 0 550 static int valid_ids[] = { 551 PSM_MOUSE_ID, /* mouse */ 552 PSM_BALLPOINT_ID, /* ballpoint device */ 553 PSM_INTELLI_ID, /* Intellimouse */ 554 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 555 -1 /* end of table */ 556 }; 557 int i; 558 559 for (i = 0; valid_ids[i] >= 0; ++i) 560 if (valid_ids[i] == id) 561 return TRUE; 562 return FALSE; 563 #else 564 return TRUE; 565 #endif 566 } 567 568 static char * 569 model_name(int model) 570 { 571 static struct { 572 int model_code; 573 char *model_name; 574 } models[] = { 575 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 576 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 577 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 578 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 579 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 580 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 581 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 582 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 583 { MOUSE_MODEL_4D, "4D Mouse" }, 584 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 585 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 586 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 587 { MOUSE_MODEL_UNKNOWN, NULL }, 588 }; 589 int i; 590 591 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) { 592 if (models[i].model_code == model) 593 return models[i].model_name; 594 } 595 return "Unknown"; 596 } 597 598 static void 599 recover_from_error(KBDC kbdc) 600 { 601 /* discard anything left in the output buffer */ 602 empty_both_buffers(kbdc, 10); 603 604 #if 0 605 /* 606 * NOTE: KBDC_RESET_KBD may not restore the communication between the 607 * keyboard and the controller. 608 */ 609 reset_kbd(kbdc); 610 #else 611 /* 612 * NOTE: somehow diagnostic and keyboard port test commands bring the 613 * keyboard back. 614 */ 615 if (!test_controller(kbdc)) 616 log(LOG_ERR, "psm: keyboard controller failed.\n"); 617 /* if there isn't a keyboard in the system, the following error is OK */ 618 if (test_kbd_port(kbdc) != 0) { 619 if (verbose) 620 log(LOG_ERR, "psm: keyboard port failed.\n"); 621 } 622 #endif 623 } 624 625 static int 626 restore_controller(KBDC kbdc, int command_byte) 627 { 628 empty_both_buffers(kbdc, 10); 629 630 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 631 log(LOG_ERR, "psm: failed to restore the keyboard controller " 632 "command byte.\n"); 633 empty_both_buffers(kbdc, 10); 634 return FALSE; 635 } else { 636 empty_both_buffers(kbdc, 10); 637 return TRUE; 638 } 639 } 640 641 /* 642 * Re-initialize the aux port and device. The aux port must be enabled 643 * and its interrupt must be disabled before calling this routine. 644 * The aux device will be disabled before returning. 645 * The keyboard controller must be locked via `kbdc_lock()' before 646 * calling this routine. 647 */ 648 static int 649 doinitialize(struct psm_softc *sc, mousemode_t *mode) 650 { 651 KBDC kbdc = sc->kbdc; 652 int stat[3]; 653 int i; 654 655 switch((i = test_aux_port(kbdc))) { 656 case 1: /* ignore these errors */ 657 case 2: 658 case 3: 659 case PSM_ACK: 660 if (verbose) 661 log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n", 662 sc->unit, i); 663 /* FALLTHROUGH */ 664 case 0: /* no error */ 665 break; 666 case -1: /* time out */ 667 default: /* error */ 668 recover_from_error(kbdc); 669 if (sc->config & PSM_CONFIG_IGNPORTERROR) 670 break; 671 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 672 sc->unit, i); 673 return FALSE; 674 } 675 676 if (sc->config & PSM_CONFIG_NORESET) { 677 /* 678 * Don't try to reset the pointing device. It may possibly be 679 * left in the unknown state, though... 680 */ 681 } else { 682 /* 683 * NOTE: some controllers appears to hang the `keyboard' when 684 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 685 */ 686 if (!reset_aux_dev(kbdc)) { 687 recover_from_error(kbdc); 688 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", sc->unit); 689 return FALSE; 690 } 691 } 692 693 /* 694 * both the aux port and the aux device is functioning, see 695 * if the device can be enabled. 696 */ 697 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 698 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", sc->unit); 699 return FALSE; 700 } 701 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 702 703 if (sc->config & PSM_CONFIG_NOIDPROBE) { 704 i = GENERIC_MOUSE_ENTRY; 705 } else { 706 /* FIXME: hardware ID, mouse buttons? */ 707 708 /* other parameters */ 709 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 710 if ((*vendortype[i].probefunc)(sc)) { 711 if (verbose >= 2) 712 log(LOG_ERR, "psm%d: found %s\n", 713 sc->unit, model_name(vendortype[i].model)); 714 break; 715 } 716 } 717 } 718 719 sc->hw.model = vendortype[i].model; 720 sc->mode.packetsize = vendortype[i].packetsize; 721 722 /* set mouse parameters */ 723 if (mode != (mousemode_t *)NULL) { 724 if (mode->rate > 0) 725 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 726 if (mode->resolution >= 0) 727 mode->resolution = set_mouse_resolution(kbdc, mode->resolution); 728 set_mouse_scaling(kbdc, 1); 729 set_mouse_mode(kbdc); 730 } 731 732 /* request a data packet and extract sync. bits */ 733 if (get_mouse_status(kbdc, stat, 1, 3) < 3) { 734 log(LOG_DEBUG, "psm%d: failed to get data (doinitialize).\n", 735 sc->unit); 736 sc->mode.syncmask[0] = 0; 737 } else { 738 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 739 /* the NetScroll Mouse will send three more bytes... Ignore them */ 740 empty_aux_buffer(kbdc, 5); 741 } 742 743 /* just check the status of the mouse */ 744 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 745 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 746 sc->unit); 747 748 return TRUE; 749 } 750 751 static int 752 doopen(struct psm_softc *sc, int command_byte) 753 { 754 int stat[3]; 755 756 /* enable the mouse device */ 757 if (!enable_aux_dev(sc->kbdc)) { 758 /* MOUSE ERROR: failed to enable the mouse because: 759 * 1) the mouse is faulty, 760 * 2) the mouse has been removed(!?) 761 * In the latter case, the keyboard may have hung, and need 762 * recovery procedure... 763 */ 764 recover_from_error(sc->kbdc); 765 #if 0 766 /* FIXME: we could reset the mouse here and try to enable 767 * it again. But it will take long time and it's not a good 768 * idea to disable the keyboard that long... 769 */ 770 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 771 recover_from_error(sc->kbdc); 772 #else 773 { 774 #endif 775 restore_controller(sc->kbdc, command_byte); 776 /* mark this device is no longer available */ 777 sc->state &= ~PSM_VALID; 778 log(LOG_ERR, "psm%d: failed to enable the device (doopen).\n", 779 sc->unit); 780 return (EIO); 781 } 782 } 783 784 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 785 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", sc->unit); 786 787 /* enable the aux port and interrupt */ 788 if (!set_controller_command_byte(sc->kbdc, 789 kbdc_get_device_mask(sc->kbdc), 790 (command_byte & KBD_KBD_CONTROL_BITS) 791 | KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 792 /* CONTROLLER ERROR */ 793 disable_aux_dev(sc->kbdc); 794 restore_controller(sc->kbdc, command_byte); 795 log(LOG_ERR, "psm%d: failed to enable the aux interrupt (doopen).\n", 796 sc->unit); 797 return (EIO); 798 } 799 800 /* start the watchdog timer */ 801 sc->watchdog = FALSE; 802 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz*2); 803 804 return (0); 805 } 806 807 static int 808 reinitialize(struct psm_softc *sc, int doinit) 809 { 810 int err; 811 int c; 812 int s; 813 814 /* don't let anybody mess with the aux device */ 815 if (!kbdc_lock(sc->kbdc, TRUE)) 816 return (EIO); 817 s = spltty(); 818 819 /* block our watchdog timer */ 820 sc->watchdog = FALSE; 821 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 822 callout_handle_init(&sc->callout); 823 824 /* save the current controller command byte */ 825 empty_both_buffers(sc->kbdc, 10); 826 c = get_controller_command_byte(sc->kbdc); 827 if (verbose >= 2) 828 log(LOG_DEBUG, "psm%d: current command byte: %04x (reinitialize).\n", 829 sc->unit, c); 830 831 /* enable the aux port but disable the aux interrupt and the keyboard */ 832 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 833 kbdc_get_device_mask(sc->kbdc), 834 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 835 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 836 /* CONTROLLER ERROR */ 837 splx(s); 838 kbdc_lock(sc->kbdc, FALSE); 839 log(LOG_ERR, "psm%d: unable to set the command byte (reinitialize).\n", 840 sc->unit); 841 return (EIO); 842 } 843 844 /* flush any data */ 845 if (sc->state & PSM_VALID) { 846 disable_aux_dev(sc->kbdc); /* this may fail; but never mind... */ 847 empty_aux_buffer(sc->kbdc, 10); 848 } 849 flushpackets(sc); 850 sc->syncerrors = 0; 851 852 /* try to detect the aux device; are you still there? */ 853 err = 0; 854 if (doinit) { 855 if (doinitialize(sc, &sc->mode)) { 856 /* yes */ 857 sc->state |= PSM_VALID; 858 } else { 859 /* the device has gone! */ 860 restore_controller(sc->kbdc, c); 861 sc->state &= ~PSM_VALID; 862 log(LOG_ERR, "psm%d: the aux device has gone! (reinitialize).\n", 863 sc->unit); 864 err = ENXIO; 865 } 866 } 867 splx(s); 868 869 /* restore the driver state */ 870 if ((sc->state & PSM_OPEN) && (err == 0)) { 871 /* enable the aux device and the port again */ 872 err = doopen(sc, c); 873 if (err != 0) 874 log(LOG_ERR, "psm%d: failed to enable the device (reinitialize).\n", 875 sc->unit); 876 } else { 877 /* restore the keyboard port and disable the aux port */ 878 if (!set_controller_command_byte(sc->kbdc, 879 kbdc_get_device_mask(sc->kbdc), 880 (c & KBD_KBD_CONTROL_BITS) 881 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 882 /* CONTROLLER ERROR */ 883 log(LOG_ERR, "psm%d: failed to disable the aux port (reinitialize).\n", 884 sc->unit); 885 err = EIO; 886 } 887 } 888 889 kbdc_lock(sc->kbdc, FALSE); 890 return (err); 891 } 892 893 /* psm driver entry points */ 894 895 static void 896 psmidentify(driver_t *driver, device_t parent) 897 { 898 device_t psmc; 899 device_t psm; 900 u_long irq; 901 int unit; 902 903 unit = device_get_unit(parent); 904 905 /* always add at least one child */ 906 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 907 if (psm == NULL) 908 return; 909 910 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 911 if (irq > 0) 912 return; 913 914 /* 915 * If the PS/2 mouse device has already been reported by ACPI or 916 * PnP BIOS, obtain the IRQ resource from it. 917 * (See psmcpnp_attach() below.) 918 */ 919 psmc = device_find_child(device_get_parent(parent), 920 PSMCPNP_DRIVER_NAME, unit); 921 if (psmc == NULL) 922 return; 923 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 924 if (irq <= 0) 925 return; 926 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 927 } 928 929 #define endprobe(v) do { if (bootverbose) \ 930 --verbose; \ 931 kbdc_set_device_mask(sc->kbdc, mask); \ 932 kbdc_lock(sc->kbdc, FALSE); \ 933 return (v); \ 934 } while (0) 935 936 static int 937 psmprobe(device_t dev) 938 { 939 int unit = device_get_unit(dev); 940 struct psm_softc *sc = device_get_softc(dev); 941 int stat[3]; 942 int command_byte; 943 int mask; 944 int rid; 945 int i; 946 947 #if 0 948 kbdc_debug(TRUE); 949 #endif 950 951 /* see if IRQ is available */ 952 rid = KBDC_RID_AUX; 953 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 954 RF_SHAREABLE | RF_ACTIVE); 955 if (sc->intr == NULL) { 956 if (bootverbose) 957 device_printf(dev, "unable to allocate IRQ\n"); 958 return (ENXIO); 959 } 960 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 961 962 sc->unit = unit; 963 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 964 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 965 /* XXX: for backward compatibility */ 966 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 967 sc->config |= 968 #ifdef PSM_RESETAFTERSUSPEND 969 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 970 #else 971 PSM_CONFIG_HOOKRESUME; 972 #endif 973 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 974 sc->flags = 0; 975 if (bootverbose) 976 ++verbose; 977 978 device_set_desc(dev, "PS/2 Mouse"); 979 980 if (!kbdc_lock(sc->kbdc, TRUE)) { 981 printf("psm%d: unable to lock the controller.\n", unit); 982 if (bootverbose) 983 --verbose; 984 return (ENXIO); 985 } 986 987 /* 988 * NOTE: two bits in the command byte controls the operation of the 989 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 990 * port interrupt (IRQ 12) enable bit (bit 2). 991 */ 992 993 /* discard anything left after the keyboard initialization */ 994 empty_both_buffers(sc->kbdc, 10); 995 996 /* save the current command byte; it will be used later */ 997 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 998 command_byte = get_controller_command_byte(sc->kbdc); 999 if (verbose) 1000 printf("psm%d: current command byte:%04x\n", unit, command_byte); 1001 if (command_byte == -1) { 1002 /* CONTROLLER ERROR */ 1003 printf("psm%d: unable to get the current command byte value.\n", 1004 unit); 1005 endprobe(ENXIO); 1006 } 1007 1008 /* 1009 * disable the keyboard port while probing the aux port, which must be 1010 * enabled during this routine 1011 */ 1012 if (!set_controller_command_byte(sc->kbdc, 1013 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1014 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1015 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1016 /* 1017 * this is CONTROLLER ERROR; I don't know how to recover 1018 * from this error... 1019 */ 1020 restore_controller(sc->kbdc, command_byte); 1021 printf("psm%d: unable to set the command byte.\n", unit); 1022 endprobe(ENXIO); 1023 } 1024 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1025 1026 /* 1027 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1028 * port exists and is functioning. However, some controllers appears 1029 * to respond with zero even when the aux port doesn't exist. (It may 1030 * be that this is only the case when the controller DOES have the aux 1031 * port but the port is not wired on the motherboard.) The keyboard 1032 * controllers without the port, such as the original AT, are 1033 * supporsed to return with an error code or simply time out. In any 1034 * case, we have to continue probing the port even when the controller 1035 * passes this test. 1036 * 1037 * XXX: some controllers erroneously return the error code 1, 2 or 3 1038 * when it has the perfectly functional aux port. We have to ignore 1039 * this error code. Even if the controller HAS error with the aux 1040 * port, it will be detected later... 1041 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1042 */ 1043 switch ((i = test_aux_port(sc->kbdc))) { 1044 case 1: /* ignore these errors */ 1045 case 2: 1046 case 3: 1047 case PSM_ACK: 1048 if (verbose) 1049 printf("psm%d: strange result for test aux port (%d).\n", 1050 unit, i); 1051 /* FALLTHROUGH */ 1052 case 0: /* no error */ 1053 break; 1054 case -1: /* time out */ 1055 default: /* error */ 1056 recover_from_error(sc->kbdc); 1057 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1058 break; 1059 restore_controller(sc->kbdc, command_byte); 1060 if (verbose) 1061 printf("psm%d: the aux port is not functioning (%d).\n", 1062 unit, i); 1063 endprobe(ENXIO); 1064 } 1065 1066 if (sc->config & PSM_CONFIG_NORESET) { 1067 /* 1068 * Don't try to reset the pointing device. It may possibly be 1069 * left in the unknown state, though... 1070 */ 1071 } else { 1072 /* 1073 * NOTE: some controllers appears to hang the `keyboard' when the aux 1074 * port doesn't exist and `PSMC_RESET_DEV' is issued. 1075 * 1076 * Attempt to reset the controller twice -- this helps 1077 * pierce through some KVM switches. The second reset 1078 * is non-fatal. 1079 */ 1080 if (!reset_aux_dev(sc->kbdc)) { 1081 recover_from_error(sc->kbdc); 1082 restore_controller(sc->kbdc, command_byte); 1083 if (verbose) 1084 printf("psm%d: failed to reset the aux device.\n", unit); 1085 endprobe(ENXIO); 1086 } else if (!reset_aux_dev(sc->kbdc)) { 1087 recover_from_error(sc->kbdc); 1088 if (verbose >= 2) 1089 printf("psm%d: failed to reset the aux device (2).\n", 1090 unit); 1091 } 1092 } 1093 1094 /* 1095 * both the aux port and the aux device is functioning, see if the 1096 * device can be enabled. NOTE: when enabled, the device will start 1097 * sending data; we shall immediately disable the device once we know 1098 * the device can be enabled. 1099 */ 1100 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1101 /* MOUSE ERROR */ 1102 recover_from_error(sc->kbdc); 1103 restore_controller(sc->kbdc, command_byte); 1104 if (verbose) 1105 printf("psm%d: failed to enable the aux device.\n", unit); 1106 endprobe(ENXIO); 1107 } 1108 1109 /* save the default values after reset */ 1110 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1111 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1112 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1113 } else { 1114 sc->dflt_mode.rate = sc->mode.rate = -1; 1115 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1116 } 1117 1118 /* hardware information */ 1119 sc->hw.iftype = MOUSE_IF_PS2; 1120 1121 /* verify the device is a mouse */ 1122 sc->hw.hwid = get_aux_id(sc->kbdc); 1123 if (!is_a_mouse(sc->hw.hwid)) { 1124 restore_controller(sc->kbdc, command_byte); 1125 if (verbose) 1126 printf("psm%d: unknown device type (%d).\n", unit, sc->hw.hwid); 1127 endprobe(ENXIO); 1128 } 1129 switch (sc->hw.hwid) { 1130 case PSM_BALLPOINT_ID: 1131 sc->hw.type = MOUSE_TRACKBALL; 1132 break; 1133 case PSM_MOUSE_ID: 1134 case PSM_INTELLI_ID: 1135 case PSM_EXPLORER_ID: 1136 case PSM_4DMOUSE_ID: 1137 case PSM_4DPLUS_ID: 1138 sc->hw.type = MOUSE_MOUSE; 1139 break; 1140 default: 1141 sc->hw.type = MOUSE_UNKNOWN; 1142 break; 1143 } 1144 1145 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1146 sc->hw.buttons = 2; 1147 i = GENERIC_MOUSE_ENTRY; 1148 } else { 1149 /* # of buttons */ 1150 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1151 1152 /* other parameters */ 1153 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 1154 if ((*vendortype[i].probefunc)(sc)) { 1155 if (verbose >= 2) 1156 printf("psm%d: found %s\n", 1157 unit, model_name(vendortype[i].model)); 1158 break; 1159 } 1160 } 1161 } 1162 1163 sc->hw.model = vendortype[i].model; 1164 1165 sc->dflt_mode.level = PSM_LEVEL_BASE; 1166 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1167 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1168 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1169 sc->dflt_mode.syncmask[0] = 0; 1170 else 1171 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1172 if (sc->config & PSM_CONFIG_FORCETAP) 1173 sc->mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1174 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1175 sc->mode = sc->dflt_mode; 1176 sc->mode.packetsize = vendortype[i].packetsize; 1177 1178 /* set mouse parameters */ 1179 #if 0 1180 /* 1181 * A version of Logitech FirstMouse+ won't report wheel movement, 1182 * if SET_DEFAULTS is sent... Don't use this command. 1183 * This fix was found by Takashi Nishida. 1184 */ 1185 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1186 if (verbose >= 2) 1187 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1188 #endif 1189 if (sc->config & PSM_CONFIG_RESOLUTION) { 1190 sc->mode.resolution 1191 = set_mouse_resolution(sc->kbdc, 1192 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1193 } else if (sc->mode.resolution >= 0) { 1194 sc->mode.resolution 1195 = set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1196 } 1197 if (sc->mode.rate > 0) { 1198 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1199 } 1200 set_mouse_scaling(sc->kbdc, 1); 1201 1202 /* request a data packet and extract sync. bits */ 1203 if (get_mouse_status(sc->kbdc, stat, 1, 3) < 3) { 1204 printf("psm%d: failed to get data.\n", unit); 1205 sc->mode.syncmask[0] = 0; 1206 } else { 1207 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 1208 /* the NetScroll Mouse will send three more bytes... Ignore them */ 1209 empty_aux_buffer(sc->kbdc, 5); 1210 } 1211 1212 /* just check the status of the mouse */ 1213 /* 1214 * NOTE: XXX there are some arcane controller/mouse combinations out 1215 * there, which hung the controller unless there is data transmission 1216 * after ACK from the mouse. 1217 */ 1218 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) { 1219 printf("psm%d: failed to get status.\n", unit); 1220 } else { 1221 /* 1222 * When in its native mode, some mice operate with different 1223 * default parameters than in the PS/2 compatible mode. 1224 */ 1225 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1226 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1227 } 1228 1229 /* disable the aux port for now... */ 1230 if (!set_controller_command_byte(sc->kbdc, 1231 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1232 (command_byte & KBD_KBD_CONTROL_BITS) 1233 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1234 /* 1235 * this is CONTROLLER ERROR; I don't know the proper way to 1236 * recover from this error... 1237 */ 1238 restore_controller(sc->kbdc, command_byte); 1239 printf("psm%d: unable to set the command byte.\n", unit); 1240 endprobe(ENXIO); 1241 } 1242 1243 /* done */ 1244 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1245 kbdc_lock(sc->kbdc, FALSE); 1246 return (0); 1247 } 1248 1249 static int 1250 psmattach(device_t dev) 1251 { 1252 int unit = device_get_unit(dev); 1253 struct psm_softc *sc = device_get_softc(dev); 1254 int error; 1255 int rid; 1256 1257 /* Setup initial state */ 1258 sc->state = PSM_VALID; 1259 callout_handle_init(&sc->callout); 1260 1261 /* Setup our interrupt handler */ 1262 rid = KBDC_RID_AUX; 1263 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1264 RF_SHAREABLE | RF_ACTIVE); 1265 if (sc->intr == NULL) 1266 return (ENXIO); 1267 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, psmintr, sc, &sc->ih); 1268 if (error) { 1269 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1270 return (error); 1271 } 1272 1273 /* Done */ 1274 sc->dev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, 1275 "psm%d", unit); 1276 sc->bdev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, 1277 "bpsm%d", unit); 1278 1279 if (!verbose) { 1280 printf("psm%d: model %s, device ID %d\n", 1281 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1282 } else { 1283 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1284 unit, model_name(sc->hw.model), 1285 sc->hw.hwid & 0x00ff, sc->hw.hwid >> 8, sc->hw.buttons); 1286 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1287 unit, sc->config, sc->flags, sc->mode.packetsize); 1288 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1289 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1290 } 1291 1292 if (bootverbose) 1293 --verbose; 1294 1295 return (0); 1296 } 1297 1298 static int 1299 psmdetach(device_t dev) 1300 { 1301 struct psm_softc *sc; 1302 int rid; 1303 1304 sc = device_get_softc(dev); 1305 if (sc->state & PSM_OPEN) 1306 return EBUSY; 1307 1308 rid = KBDC_RID_AUX; 1309 bus_teardown_intr(dev, sc->intr, sc->ih); 1310 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1311 1312 destroy_dev(sc->dev); 1313 destroy_dev(sc->bdev); 1314 1315 return 0; 1316 } 1317 1318 static int 1319 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1320 { 1321 int unit = PSM_UNIT(dev); 1322 struct psm_softc *sc; 1323 int command_byte; 1324 int err; 1325 int s; 1326 1327 /* Get device data */ 1328 sc = PSM_SOFTC(unit); 1329 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) 1330 /* the device is no longer valid/functioning */ 1331 return (ENXIO); 1332 1333 /* Disallow multiple opens */ 1334 if (sc->state & PSM_OPEN) 1335 return (EBUSY); 1336 1337 device_busy(devclass_get_device(psm_devclass, unit)); 1338 1339 /* Initialize state */ 1340 sc->mode.level = sc->dflt_mode.level; 1341 sc->mode.protocol = sc->dflt_mode.protocol; 1342 sc->watchdog = FALSE; 1343 1344 /* flush the event queue */ 1345 sc->queue.count = 0; 1346 sc->queue.head = 0; 1347 sc->queue.tail = 0; 1348 sc->status.flags = 0; 1349 sc->status.button = 0; 1350 sc->status.obutton = 0; 1351 sc->status.dx = 0; 1352 sc->status.dy = 0; 1353 sc->status.dz = 0; 1354 sc->button = 0; 1355 sc->pqueue_start = 0; 1356 sc->pqueue_end = 0; 1357 1358 /* empty input buffer */ 1359 flushpackets(sc); 1360 sc->syncerrors = 0; 1361 1362 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1363 if (!kbdc_lock(sc->kbdc, TRUE)) 1364 return (EIO); 1365 1366 /* save the current controller command byte */ 1367 s = spltty(); 1368 command_byte = get_controller_command_byte(sc->kbdc); 1369 1370 /* enable the aux port and temporalily disable the keyboard */ 1371 if ((command_byte == -1) 1372 || !set_controller_command_byte(sc->kbdc, 1373 kbdc_get_device_mask(sc->kbdc), 1374 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1375 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1376 /* CONTROLLER ERROR; do you know how to get out of this? */ 1377 kbdc_lock(sc->kbdc, FALSE); 1378 splx(s); 1379 log(LOG_ERR, "psm%d: unable to set the command byte (psmopen).\n", 1380 unit); 1381 return (EIO); 1382 } 1383 /* 1384 * Now that the keyboard controller is told not to generate 1385 * the keyboard and mouse interrupts, call `splx()' to allow 1386 * the other tty interrupts. The clock interrupt may also occur, 1387 * but timeout routines will be blocked by the poll flag set 1388 * via `kbdc_lock()' 1389 */ 1390 splx(s); 1391 1392 /* enable the mouse device */ 1393 err = doopen(sc, command_byte); 1394 1395 /* done */ 1396 if (err == 0) 1397 sc->state |= PSM_OPEN; 1398 kbdc_lock(sc->kbdc, FALSE); 1399 return (err); 1400 } 1401 1402 static int 1403 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1404 { 1405 int unit = PSM_UNIT(dev); 1406 struct psm_softc *sc = PSM_SOFTC(unit); 1407 int stat[3]; 1408 int command_byte; 1409 int s; 1410 1411 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1412 if (!kbdc_lock(sc->kbdc, TRUE)) 1413 return (EIO); 1414 1415 /* save the current controller command byte */ 1416 s = spltty(); 1417 command_byte = get_controller_command_byte(sc->kbdc); 1418 if (command_byte == -1) { 1419 kbdc_lock(sc->kbdc, FALSE); 1420 splx(s); 1421 return (EIO); 1422 } 1423 1424 /* disable the aux interrupt and temporalily disable the keyboard */ 1425 if (!set_controller_command_byte(sc->kbdc, 1426 kbdc_get_device_mask(sc->kbdc), 1427 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1428 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1429 log(LOG_ERR, "psm%d: failed to disable the aux int (psmclose).\n", 1430 unit); 1431 /* CONTROLLER ERROR; 1432 * NOTE: we shall force our way through. Because the only 1433 * ill effect we shall see is that we may not be able 1434 * to read ACK from the mouse, and it doesn't matter much 1435 * so long as the mouse will accept the DISABLE command. 1436 */ 1437 } 1438 splx(s); 1439 1440 /* stop the watchdog timer */ 1441 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 1442 callout_handle_init(&sc->callout); 1443 1444 /* remove anything left in the output buffer */ 1445 empty_aux_buffer(sc->kbdc, 10); 1446 1447 /* disable the aux device, port and interrupt */ 1448 if (sc->state & PSM_VALID) { 1449 if (!disable_aux_dev(sc->kbdc)) { 1450 /* MOUSE ERROR; 1451 * NOTE: we don't return error and continue, pretending 1452 * we have successfully disabled the device. It's OK because 1453 * the interrupt routine will discard any data from the mouse 1454 * hereafter. 1455 */ 1456 log(LOG_ERR, "psm%d: failed to disable the device (psmclose).\n", 1457 unit); 1458 } 1459 1460 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1461 log(LOG_DEBUG, "psm%d: failed to get status (psmclose).\n", 1462 unit); 1463 } 1464 1465 if (!set_controller_command_byte(sc->kbdc, 1466 kbdc_get_device_mask(sc->kbdc), 1467 (command_byte & KBD_KBD_CONTROL_BITS) 1468 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1469 /* CONTROLLER ERROR; 1470 * we shall ignore this error; see the above comment. 1471 */ 1472 log(LOG_ERR, "psm%d: failed to disable the aux port (psmclose).\n", 1473 unit); 1474 } 1475 1476 /* remove anything left in the output buffer */ 1477 empty_aux_buffer(sc->kbdc, 10); 1478 1479 /* close is almost always successful */ 1480 sc->state &= ~PSM_OPEN; 1481 kbdc_lock(sc->kbdc, FALSE); 1482 device_unbusy(devclass_get_device(psm_devclass, unit)); 1483 return (0); 1484 } 1485 1486 static int 1487 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, unsigned char *buf) 1488 { 1489 static unsigned char butmapps2[8] = { 1490 0, 1491 MOUSE_PS2_BUTTON1DOWN, 1492 MOUSE_PS2_BUTTON2DOWN, 1493 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1494 MOUSE_PS2_BUTTON3DOWN, 1495 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1496 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1497 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1498 }; 1499 static unsigned char butmapmsc[8] = { 1500 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1501 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1502 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1503 MOUSE_MSC_BUTTON3UP, 1504 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1505 MOUSE_MSC_BUTTON2UP, 1506 MOUSE_MSC_BUTTON1UP, 1507 0, 1508 }; 1509 int mapped; 1510 int i; 1511 1512 if (sc->mode.level == PSM_LEVEL_BASE) { 1513 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1514 if (status->button & MOUSE_BUTTON4DOWN) 1515 mapped |= MOUSE_BUTTON1DOWN; 1516 status->button = mapped; 1517 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1518 i = imax(imin(status->dx, 255), -256); 1519 if (i < 0) 1520 buf[0] |= MOUSE_PS2_XNEG; 1521 buf[1] = i; 1522 i = imax(imin(status->dy, 255), -256); 1523 if (i < 0) 1524 buf[0] |= MOUSE_PS2_YNEG; 1525 buf[2] = i; 1526 return MOUSE_PS2_PACKETSIZE; 1527 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1528 buf[0] = MOUSE_MSC_SYNC | butmapmsc[status->button & MOUSE_STDBUTTONS]; 1529 i = imax(imin(status->dx, 255), -256); 1530 buf[1] = i >> 1; 1531 buf[3] = i - buf[1]; 1532 i = imax(imin(status->dy, 255), -256); 1533 buf[2] = i >> 1; 1534 buf[4] = i - buf[2]; 1535 i = imax(imin(status->dz, 127), -128); 1536 buf[5] = (i >> 1) & 0x7f; 1537 buf[6] = (i - (i >> 1)) & 0x7f; 1538 buf[7] = (~status->button >> 3) & 0x7f; 1539 return MOUSE_SYS_PACKETSIZE; 1540 } 1541 return pb->inputbytes; 1542 } 1543 1544 static int 1545 psmread(struct cdev *dev, struct uio *uio, int flag) 1546 { 1547 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1548 unsigned char buf[PSM_SMALLBUFSIZE]; 1549 int error = 0; 1550 int s; 1551 int l; 1552 1553 if ((sc->state & PSM_VALID) == 0) 1554 return EIO; 1555 1556 /* block until mouse activity occured */ 1557 s = spltty(); 1558 while (sc->queue.count <= 0) { 1559 if (PSM_NBLOCKIO(dev)) { 1560 splx(s); 1561 return EWOULDBLOCK; 1562 } 1563 sc->state |= PSM_ASLP; 1564 error = tsleep( sc, PZERO | PCATCH, "psmrea", 0); 1565 sc->state &= ~PSM_ASLP; 1566 if (error) { 1567 splx(s); 1568 return error; 1569 } else if ((sc->state & PSM_VALID) == 0) { 1570 /* the device disappeared! */ 1571 splx(s); 1572 return EIO; 1573 } 1574 } 1575 splx(s); 1576 1577 /* copy data to the user land */ 1578 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1579 s = spltty(); 1580 l = imin(sc->queue.count, uio->uio_resid); 1581 if (l > sizeof(buf)) 1582 l = sizeof(buf); 1583 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1584 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1585 sizeof(sc->queue.buf) - sc->queue.head); 1586 bcopy(&sc->queue.buf[0], 1587 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1588 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1589 } else { 1590 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1591 } 1592 sc->queue.count -= l; 1593 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1594 splx(s); 1595 error = uiomove(buf, l, uio); 1596 if (error) 1597 break; 1598 } 1599 1600 return error; 1601 } 1602 1603 static int 1604 block_mouse_data(struct psm_softc *sc, int *c) 1605 { 1606 int s; 1607 1608 if (!kbdc_lock(sc->kbdc, TRUE)) 1609 return EIO; 1610 1611 s = spltty(); 1612 *c = get_controller_command_byte(sc->kbdc); 1613 if ((*c == -1) 1614 || !set_controller_command_byte(sc->kbdc, 1615 kbdc_get_device_mask(sc->kbdc), 1616 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1617 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1618 /* this is CONTROLLER ERROR */ 1619 splx(s); 1620 kbdc_lock(sc->kbdc, FALSE); 1621 return EIO; 1622 } 1623 1624 /* 1625 * The device may be in the middle of status data transmission. 1626 * The transmission will be interrupted, thus, incomplete status 1627 * data must be discarded. Although the aux interrupt is disabled 1628 * at the keyboard controller level, at most one aux interrupt 1629 * may have already been pending and a data byte is in the 1630 * output buffer; throw it away. Note that the second argument 1631 * to `empty_aux_buffer()' is zero, so that the call will just 1632 * flush the internal queue. 1633 * `psmintr()' will be invoked after `splx()' if an interrupt is 1634 * pending; it will see no data and returns immediately. 1635 */ 1636 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1637 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1638 flushpackets(sc); 1639 splx(s); 1640 1641 return 0; 1642 } 1643 1644 static void 1645 dropqueue(struct psm_softc *sc) 1646 { 1647 1648 sc->queue.count = 0; 1649 sc->queue.head = 0; 1650 sc->queue.tail = 0; 1651 if ((sc->state & PSM_SOFTARMED) != 0) { 1652 sc->state &= ~PSM_SOFTARMED; 1653 untimeout(psmsoftintr, (void *)(uintptr_t)sc, sc->softcallout); 1654 } 1655 sc->pqueue_start = sc->pqueue_end; 1656 } 1657 1658 static void 1659 flushpackets(struct psm_softc *sc) 1660 { 1661 1662 dropqueue(sc); 1663 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1664 } 1665 1666 static int 1667 unblock_mouse_data(struct psm_softc *sc, int c) 1668 { 1669 int error = 0; 1670 1671 /* 1672 * We may have seen a part of status data during `set_mouse_XXX()'. 1673 * they have been queued; flush it. 1674 */ 1675 empty_aux_buffer(sc->kbdc, 0); 1676 1677 /* restore ports and interrupt */ 1678 if (!set_controller_command_byte(sc->kbdc, 1679 kbdc_get_device_mask(sc->kbdc), 1680 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1681 /* CONTROLLER ERROR; this is serious, we may have 1682 * been left with the inaccessible keyboard and 1683 * the disabled mouse interrupt. 1684 */ 1685 error = EIO; 1686 } 1687 1688 kbdc_lock(sc->kbdc, FALSE); 1689 return error; 1690 } 1691 1692 static int 1693 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1694 { 1695 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1696 mousemode_t mode; 1697 mousestatus_t status; 1698 #if (defined(MOUSE_GETVARS)) 1699 mousevar_t *var; 1700 #endif 1701 mousedata_t *data; 1702 int stat[3]; 1703 int command_byte; 1704 int error = 0; 1705 int s; 1706 1707 /* Perform IOCTL command */ 1708 switch (cmd) { 1709 1710 case OLD_MOUSE_GETHWINFO: 1711 s = spltty(); 1712 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1713 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1714 ((old_mousehw_t *)addr)->type = sc->hw.type; 1715 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1716 splx(s); 1717 break; 1718 1719 case MOUSE_GETHWINFO: 1720 s = spltty(); 1721 *(mousehw_t *)addr = sc->hw; 1722 if (sc->mode.level == PSM_LEVEL_BASE) 1723 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1724 splx(s); 1725 break; 1726 1727 case MOUSE_SYN_GETHWINFO: 1728 s = spltty(); 1729 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1730 *(synapticshw_t *)addr = sc->synhw; 1731 else 1732 error = EINVAL; 1733 splx(s); 1734 break; 1735 1736 case OLD_MOUSE_GETMODE: 1737 s = spltty(); 1738 switch (sc->mode.level) { 1739 case PSM_LEVEL_BASE: 1740 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1741 break; 1742 case PSM_LEVEL_STANDARD: 1743 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1744 break; 1745 case PSM_LEVEL_NATIVE: 1746 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1747 break; 1748 } 1749 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1750 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1751 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1752 splx(s); 1753 break; 1754 1755 case MOUSE_GETMODE: 1756 s = spltty(); 1757 *(mousemode_t *)addr = sc->mode; 1758 ((mousemode_t *)addr)->resolution = 1759 MOUSE_RES_LOW - sc->mode.resolution; 1760 switch (sc->mode.level) { 1761 case PSM_LEVEL_BASE: 1762 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1763 ((mousemode_t *)addr)->packetsize = MOUSE_PS2_PACKETSIZE; 1764 break; 1765 case PSM_LEVEL_STANDARD: 1766 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1767 ((mousemode_t *)addr)->packetsize = MOUSE_SYS_PACKETSIZE; 1768 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1769 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1770 break; 1771 case PSM_LEVEL_NATIVE: 1772 /* FIXME: this isn't quite correct... XXX */ 1773 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1774 break; 1775 } 1776 splx(s); 1777 break; 1778 1779 case OLD_MOUSE_SETMODE: 1780 case MOUSE_SETMODE: 1781 if (cmd == OLD_MOUSE_SETMODE) { 1782 mode.rate = ((old_mousemode_t *)addr)->rate; 1783 /* 1784 * resolution old I/F new I/F 1785 * default 0 0 1786 * low 1 -2 1787 * medium low 2 -3 1788 * medium high 3 -4 1789 * high 4 -5 1790 */ 1791 if (((old_mousemode_t *)addr)->resolution > 0) 1792 mode.resolution = -((old_mousemode_t *)addr)->resolution - 1; 1793 mode.accelfactor = ((old_mousemode_t *)addr)->accelfactor; 1794 mode.level = -1; 1795 } else { 1796 mode = *(mousemode_t *)addr; 1797 } 1798 1799 /* adjust and validate parameters. */ 1800 if (mode.rate > UCHAR_MAX) 1801 return EINVAL; 1802 if (mode.rate == 0) 1803 mode.rate = sc->dflt_mode.rate; 1804 else if (mode.rate == -1) 1805 /* don't change the current setting */ 1806 ; 1807 else if (mode.rate < 0) 1808 return EINVAL; 1809 if (mode.resolution >= UCHAR_MAX) 1810 return EINVAL; 1811 if (mode.resolution >= 200) 1812 mode.resolution = MOUSE_RES_HIGH; 1813 else if (mode.resolution >= 100) 1814 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1815 else if (mode.resolution >= 50) 1816 mode.resolution = MOUSE_RES_MEDIUMLOW; 1817 else if (mode.resolution > 0) 1818 mode.resolution = MOUSE_RES_LOW; 1819 if (mode.resolution == MOUSE_RES_DEFAULT) 1820 mode.resolution = sc->dflt_mode.resolution; 1821 else if (mode.resolution == -1) 1822 /* don't change the current setting */ 1823 ; 1824 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1825 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1826 if (mode.level == -1) 1827 /* don't change the current setting */ 1828 mode.level = sc->mode.level; 1829 else if ((mode.level < PSM_LEVEL_MIN) || (mode.level > PSM_LEVEL_MAX)) 1830 return EINVAL; 1831 if (mode.accelfactor == -1) 1832 /* don't change the current setting */ 1833 mode.accelfactor = sc->mode.accelfactor; 1834 else if (mode.accelfactor < 0) 1835 return EINVAL; 1836 1837 /* don't allow anybody to poll the keyboard controller */ 1838 error = block_mouse_data(sc, &command_byte); 1839 if (error) 1840 return error; 1841 1842 /* set mouse parameters */ 1843 if (mode.rate > 0) 1844 mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1845 if (mode.resolution >= 0) 1846 mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1847 set_mouse_scaling(sc->kbdc, 1); 1848 get_mouse_status(sc->kbdc, stat, 0, 3); 1849 1850 s = spltty(); 1851 sc->mode.rate = mode.rate; 1852 sc->mode.resolution = mode.resolution; 1853 sc->mode.accelfactor = mode.accelfactor; 1854 sc->mode.level = mode.level; 1855 splx(s); 1856 1857 unblock_mouse_data(sc, command_byte); 1858 break; 1859 1860 case MOUSE_GETLEVEL: 1861 *(int *)addr = sc->mode.level; 1862 break; 1863 1864 case MOUSE_SETLEVEL: 1865 if ((*(int *)addr < PSM_LEVEL_MIN) || (*(int *)addr > PSM_LEVEL_MAX)) 1866 return EINVAL; 1867 sc->mode.level = *(int *)addr; 1868 break; 1869 1870 case MOUSE_GETSTATUS: 1871 s = spltty(); 1872 status = sc->status; 1873 sc->status.flags = 0; 1874 sc->status.obutton = sc->status.button; 1875 sc->status.button = 0; 1876 sc->status.dx = 0; 1877 sc->status.dy = 0; 1878 sc->status.dz = 0; 1879 splx(s); 1880 *(mousestatus_t *)addr = status; 1881 break; 1882 1883 #if (defined(MOUSE_GETVARS)) 1884 case MOUSE_GETVARS: 1885 var = (mousevar_t *)addr; 1886 bzero(var, sizeof(*var)); 1887 s = spltty(); 1888 var->var[0] = MOUSE_VARS_PS2_SIG; 1889 var->var[1] = sc->config; 1890 var->var[2] = sc->flags; 1891 splx(s); 1892 break; 1893 1894 case MOUSE_SETVARS: 1895 return ENODEV; 1896 #endif /* MOUSE_GETVARS */ 1897 1898 case MOUSE_READSTATE: 1899 case MOUSE_READDATA: 1900 data = (mousedata_t *)addr; 1901 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 1902 return EINVAL; 1903 1904 error = block_mouse_data(sc, &command_byte); 1905 if (error) 1906 return error; 1907 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 1908 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 1909 error = EIO; 1910 unblock_mouse_data(sc, command_byte); 1911 break; 1912 1913 #if (defined(MOUSE_SETRESOLUTION)) 1914 case MOUSE_SETRESOLUTION: 1915 mode.resolution = *(int *)addr; 1916 if (mode.resolution >= UCHAR_MAX) 1917 return EINVAL; 1918 else if (mode.resolution >= 200) 1919 mode.resolution = MOUSE_RES_HIGH; 1920 else if (mode.resolution >= 100) 1921 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1922 else if (mode.resolution >= 50) 1923 mode.resolution = MOUSE_RES_MEDIUMLOW; 1924 else if (mode.resolution > 0) 1925 mode.resolution = MOUSE_RES_LOW; 1926 if (mode.resolution == MOUSE_RES_DEFAULT) 1927 mode.resolution = sc->dflt_mode.resolution; 1928 else if (mode.resolution == -1) 1929 mode.resolution = sc->mode.resolution; 1930 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1931 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1932 1933 error = block_mouse_data(sc, &command_byte); 1934 if (error) 1935 return error; 1936 sc->mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1937 if (sc->mode.resolution != mode.resolution) 1938 error = EIO; 1939 unblock_mouse_data(sc, command_byte); 1940 break; 1941 #endif /* MOUSE_SETRESOLUTION */ 1942 1943 #if (defined(MOUSE_SETRATE)) 1944 case MOUSE_SETRATE: 1945 mode.rate = *(int *)addr; 1946 if (mode.rate > UCHAR_MAX) 1947 return EINVAL; 1948 if (mode.rate == 0) 1949 mode.rate = sc->dflt_mode.rate; 1950 else if (mode.rate < 0) 1951 mode.rate = sc->mode.rate; 1952 1953 error = block_mouse_data(sc, &command_byte); 1954 if (error) 1955 return error; 1956 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1957 if (sc->mode.rate != mode.rate) 1958 error = EIO; 1959 unblock_mouse_data(sc, command_byte); 1960 break; 1961 #endif /* MOUSE_SETRATE */ 1962 1963 #if (defined(MOUSE_SETSCALING)) 1964 case MOUSE_SETSCALING: 1965 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 1966 return EINVAL; 1967 1968 error = block_mouse_data(sc, &command_byte); 1969 if (error) 1970 return error; 1971 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 1972 error = EIO; 1973 unblock_mouse_data(sc, command_byte); 1974 break; 1975 #endif /* MOUSE_SETSCALING */ 1976 1977 #if (defined(MOUSE_GETHWID)) 1978 case MOUSE_GETHWID: 1979 error = block_mouse_data(sc, &command_byte); 1980 if (error) 1981 return error; 1982 sc->hw.hwid &= ~0x00ff; 1983 sc->hw.hwid |= get_aux_id(sc->kbdc); 1984 *(int *)addr = sc->hw.hwid & 0x00ff; 1985 unblock_mouse_data(sc, command_byte); 1986 break; 1987 #endif /* MOUSE_GETHWID */ 1988 1989 default: 1990 return ENOTTY; 1991 } 1992 1993 return error; 1994 } 1995 1996 static void 1997 psmtimeout(void *arg) 1998 { 1999 struct psm_softc *sc; 2000 int s; 2001 2002 sc = (struct psm_softc *)arg; 2003 s = spltty(); 2004 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2005 if (verbose >= 4) 2006 log(LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit); 2007 psmintr(sc); 2008 kbdc_lock(sc->kbdc, FALSE); 2009 } 2010 sc->watchdog = TRUE; 2011 splx(s); 2012 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz); 2013 } 2014 2015 static int psmhz = 20; 2016 SYSCTL_INT(_debug, OID_AUTO, psmhz, CTLFLAG_RW, &psmhz, 0, ""); 2017 2018 static int psm_soft_timeout = 500000; /* 0.5 sec */ 2019 SYSCTL_INT(_debug, OID_AUTO, psm_soft_timeout, CTLFLAG_RW, 2020 &psm_soft_timeout, 0, ""); 2021 2022 static int psmerrsecs = 2; 2023 SYSCTL_INT(_debug, OID_AUTO, psmerrsecs, CTLFLAG_RW, &psmerrsecs, 0, ""); 2024 static int psmerrusecs = 0; 2025 SYSCTL_INT(_debug, OID_AUTO, psmerrusecs, CTLFLAG_RW, &psmerrusecs, 0, ""); 2026 static int psmsecs = 0; 2027 SYSCTL_INT(_debug, OID_AUTO, psmsecs, CTLFLAG_RW, &psmsecs, 0, ""); 2028 static int psmusecs = 500000; 2029 SYSCTL_INT(_debug, OID_AUTO, psmusecs, CTLFLAG_RW, &psmusecs, 0, ""); 2030 2031 static void 2032 psmintr(void *arg) 2033 { 2034 struct psm_softc *sc = arg; 2035 struct timeval now; 2036 int c; 2037 packetbuf_t *pb; 2038 int haderror = 0; 2039 2040 2041 /* read until there is nothing to read */ 2042 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2043 2044 pb = &sc->pqueue[sc->pqueue_end]; 2045 /* discard the byte if the device is not open */ 2046 if ((sc->state & PSM_OPEN) == 0) 2047 continue; 2048 2049 getmicrouptime(&now); 2050 if ((pb->inputbytes > 0) && timevalcmp(&now, &sc->inputtimeout, >)) { 2051 #if DEBUG 2052 log(LOG_DEBUG, "psmintr: delay too long; resetting byte count\n"); 2053 #endif 2054 pb->inputbytes = 0; 2055 sc->syncerrors = 0; 2056 } 2057 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT/1000000; 2058 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT%1000000; 2059 timevaladd(&sc->inputtimeout, &now); 2060 2061 pb->ipacket[pb->inputbytes++] = c; 2062 if (pb->inputbytes < sc->mode.packetsize) 2063 continue; 2064 2065 #if DEBUG 2066 log(LOG_DEBUG, "psmintr: %02x %02x %02x %02x %02x %02x\n", 2067 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2068 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5]); 2069 #endif 2070 2071 c = pb->ipacket[0]; 2072 2073 if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2074 #if DEBUG 2075 log(LOG_DEBUG, "psmintr: out of sync (%04x != %04x) %d" 2076 " cmds since last error.\n", 2077 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2078 sc->cmdcount - sc->lasterr); 2079 #endif 2080 haderror = 1; 2081 sc->lasterr = sc->cmdcount; 2082 dropqueue(sc); 2083 ++sc->syncerrors; 2084 sc->lastinputerr = now; 2085 if (sc->syncerrors < sc->mode.packetsize) { 2086 #if DEBUG 2087 log(LOG_DEBUG, "psmintr: discard a byte (%d).\n", sc->syncerrors); 2088 #endif 2089 --pb->inputbytes; 2090 bcopy(&pb->ipacket[1], &pb->ipacket[0], pb->inputbytes); 2091 } else if (sc->syncerrors == sc->mode.packetsize) { 2092 #if DEBUG 2093 log(LOG_DEBUG, "psmintr: re-enable the mouse.\n"); 2094 #endif 2095 pb->inputbytes = 0; 2096 disable_aux_dev(sc->kbdc); 2097 enable_aux_dev(sc->kbdc); 2098 } else if (sc->syncerrors < PSM_SYNCERR_THRESHOLD1) { 2099 #if DEBUG 2100 log(LOG_DEBUG, "psmintr: discard a byte (%d).\n", sc->syncerrors); 2101 #endif 2102 --pb->inputbytes; 2103 bcopy(&pb->ipacket[1], &pb->ipacket[0], pb->inputbytes); 2104 } else if (sc->syncerrors >= PSM_SYNCERR_THRESHOLD1) { 2105 #if DEBUG 2106 log(LOG_DEBUG, "psmintr: reset the mouse.\n"); 2107 #endif 2108 reinitialize(sc, TRUE); 2109 } 2110 continue; 2111 } 2112 /* if this packet is at all bogus then drop the packet. */ 2113 if (haderror || 2114 !timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, &now)) { 2115 pb->inputbytes = 0; 2116 haderror = 0; 2117 continue; 2118 } 2119 2120 sc->cmdcount++; 2121 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2122 sc->pqueue_end = 0; 2123 /* 2124 * If we've filled the queue then call the softintr ourselves, 2125 * otherwise schedule the interrupt for later. 2126 */ 2127 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2128 (sc->pqueue_end == sc->pqueue_start)) { 2129 if ((sc->state & PSM_SOFTARMED) != 0) { 2130 sc->state &= ~PSM_SOFTARMED; 2131 untimeout(psmsoftintr, arg, sc->softcallout); 2132 } 2133 psmsoftintr(arg); 2134 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2135 sc->state |= PSM_SOFTARMED; 2136 sc->softcallout = timeout(psmsoftintr, arg, 2137 psmhz < 1 ? 1 : (hz/psmhz)); 2138 } 2139 } 2140 } 2141 2142 static void 2143 psmsoftintr(void *arg) 2144 { 2145 /* 2146 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 2147 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 2148 */ 2149 static int butmap[8] = { 2150 0, 2151 MOUSE_BUTTON1DOWN, 2152 MOUSE_BUTTON3DOWN, 2153 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 2154 MOUSE_BUTTON2DOWN, 2155 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 2156 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 2157 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 2158 }; 2159 static int butmap_versapad[8] = { 2160 0, 2161 MOUSE_BUTTON3DOWN, 2162 0, 2163 MOUSE_BUTTON3DOWN, 2164 MOUSE_BUTTON1DOWN, 2165 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 2166 MOUSE_BUTTON1DOWN, 2167 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 2168 }; 2169 register struct psm_softc *sc = arg; 2170 mousestatus_t ms; 2171 int w, x, y, z; 2172 int c; 2173 int l; 2174 int x0, y0; 2175 int s; 2176 packetbuf_t *pb; 2177 2178 getmicrouptime(&sc->lastsoftintr); 2179 2180 s = spltty(); 2181 2182 do { 2183 2184 pb = &sc->pqueue[sc->pqueue_start]; 2185 c = pb->ipacket[0]; 2186 /* 2187 * A kludge for Kensington device! 2188 * The MSB of the horizontal count appears to be stored in 2189 * a strange place. 2190 */ 2191 if (sc->hw.model == MOUSE_MODEL_THINK) 2192 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 2193 2194 /* ignore the overflow bits... */ 2195 x = (c & MOUSE_PS2_XNEG) ? pb->ipacket[1] - 256 : pb->ipacket[1]; 2196 y = (c & MOUSE_PS2_YNEG) ? pb->ipacket[2] - 256 : pb->ipacket[2]; 2197 z = 0; 2198 ms.obutton = sc->button; /* previous button state */ 2199 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 2200 /* `tapping' action */ 2201 if (sc->config & PSM_CONFIG_FORCETAP) 2202 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 2203 2204 switch (sc->hw.model) { 2205 2206 case MOUSE_MODEL_EXPLORER: 2207 /* 2208 * b7 b6 b5 b4 b3 b2 b1 b0 2209 * byte 1: oy ox sy sx 1 M R L 2210 * byte 2: x x x x x x x x 2211 * byte 3: y y y y y y y y 2212 * byte 4: * * S2 S1 s d2 d1 d0 2213 * 2214 * L, M, R, S1, S2: left, middle, right and side buttons 2215 * s: wheel data sign bit 2216 * d2-d0: wheel data 2217 */ 2218 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) 2219 ? (pb->ipacket[3] & 0x0f) - 16 : (pb->ipacket[3] & 0x0f); 2220 ms.button |= (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) 2221 ? MOUSE_BUTTON4DOWN : 0; 2222 ms.button |= (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) 2223 ? MOUSE_BUTTON5DOWN : 0; 2224 break; 2225 2226 case MOUSE_MODEL_INTELLI: 2227 case MOUSE_MODEL_NET: 2228 /* wheel data is in the fourth byte */ 2229 z = (char)pb->ipacket[3]; 2230 /* some mice may send 7 when there is no Z movement?! XXX */ 2231 if ((z >= 7) || (z <= -7)) 2232 z = 0; 2233 /* some compatible mice have additional buttons */ 2234 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) 2235 ? MOUSE_BUTTON4DOWN : 0; 2236 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) 2237 ? MOUSE_BUTTON5DOWN : 0; 2238 break; 2239 2240 case MOUSE_MODEL_MOUSEMANPLUS: 2241 /* 2242 * PS2++ protocl packet 2243 * 2244 * b7 b6 b5 b4 b3 b2 b1 b0 2245 * byte 1: * 1 p3 p2 1 * * * 2246 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2247 * 2248 * p3-p0: packet type 2249 * c1, c2: c1 & c2 == 1, if p2 == 0 2250 * c1 & c2 == 0, if p2 == 1 2251 * 2252 * packet type: 0 (device type) 2253 * See comments in enable_mmanplus() below. 2254 * 2255 * packet type: 1 (wheel data) 2256 * 2257 * b7 b6 b5 b4 b3 b2 b1 b0 2258 * byte 3: h * B5 B4 s d2 d1 d0 2259 * 2260 * h: 1, if horizontal roller data 2261 * 0, if vertical roller data 2262 * B4, B5: button 4 and 5 2263 * s: sign bit 2264 * d2-d0: roller data 2265 * 2266 * packet type: 2 (reserved) 2267 */ 2268 if (((c & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) 2269 && (abs(x) > 191) 2270 && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2271 /* the extended data packet encodes button and wheel events */ 2272 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2273 case 1: 2274 /* wheel data packet */ 2275 x = y = 0; 2276 if (pb->ipacket[2] & 0x80) { 2277 /* horizontal roller count - ignore it XXX*/ 2278 } else { 2279 /* vertical roller count */ 2280 z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) 2281 ? (pb->ipacket[2] & 0x0f) - 16 2282 : (pb->ipacket[2] & 0x0f); 2283 } 2284 ms.button |= (pb->ipacket[2] & MOUSE_PS2PLUS_BUTTON4DOWN) 2285 ? MOUSE_BUTTON4DOWN : 0; 2286 ms.button |= (pb->ipacket[2] & MOUSE_PS2PLUS_BUTTON5DOWN) 2287 ? MOUSE_BUTTON5DOWN : 0; 2288 break; 2289 case 2: 2290 /* this packet type is reserved by Logitech... */ 2291 /* 2292 * IBM ScrollPoint Mouse uses this packet type to 2293 * encode both vertical and horizontal scroll movement. 2294 */ 2295 x = y = 0; 2296 /* horizontal count */ 2297 if (pb->ipacket[2] & 0x0f) 2298 z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? -2 : 2; 2299 /* vertical count */ 2300 if (pb->ipacket[2] & 0xf0) 2301 z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? -1 : 1; 2302 #if 0 2303 /* vertical count */ 2304 z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) 2305 ? ((pb->ipacket[2] >> 4) & 0x0f) - 16 2306 : ((pb->ipacket[2] >> 4) & 0x0f); 2307 /* horizontal count */ 2308 w = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) 2309 ? (pb->ipacket[2] & 0x0f) - 16 2310 : (pb->ipacket[2] & 0x0f); 2311 #endif 2312 break; 2313 case 0: 2314 /* device type packet - shouldn't happen */ 2315 /* FALLTHROUGH */ 2316 default: 2317 x = y = 0; 2318 ms.button = ms.obutton; 2319 if (bootverbose) 2320 log(LOG_DEBUG, "psmintr: unknown PS2++ packet type %d: " 2321 "0x%02x 0x%02x 0x%02x\n", 2322 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2323 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2]); 2324 break; 2325 } 2326 } else { 2327 /* preserve button states */ 2328 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2329 } 2330 break; 2331 2332 case MOUSE_MODEL_GLIDEPOINT: 2333 /* `tapping' action */ 2334 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 2335 break; 2336 2337 case MOUSE_MODEL_NETSCROLL: 2338 /* three addtional bytes encode buttons and wheel events */ 2339 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) 2340 ? MOUSE_BUTTON4DOWN : 0; 2341 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) 2342 ? MOUSE_BUTTON5DOWN : 0; 2343 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) 2344 ? pb->ipacket[4] - 256 : pb->ipacket[4]; 2345 break; 2346 2347 case MOUSE_MODEL_THINK: 2348 /* the fourth button state in the first byte */ 2349 ms.button |= (c & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0; 2350 break; 2351 2352 case MOUSE_MODEL_VERSAPAD: 2353 /* VersaPad PS/2 absolute mode message format 2354 * 2355 * [packet1] 7 6 5 4 3 2 1 0(LSB) 2356 * ipacket[0]: 1 1 0 A 1 L T R 2357 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 2358 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 2359 * ipacket[3]: 1 1 1 A 1 L T R 2360 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 2361 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 2362 * 2363 * [note] 2364 * R: right physical mouse button (1=on) 2365 * T: touch pad virtual button (1=tapping) 2366 * L: left physical mouse button (1=on) 2367 * A: position data is valid (1=valid) 2368 * H: horizontal data (12bit signed integer. H11 is sign bit.) 2369 * V: vertical data (12bit signed integer. V11 is sign bit.) 2370 * P: pressure data 2371 * 2372 * Tapping is mapped to MOUSE_BUTTON4. 2373 */ 2374 ms.button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 2375 ms.button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 2376 x = y = 0; 2377 if (c & MOUSE_PS2VERSA_IN_USE) { 2378 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 2379 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 2380 if (x0 & 0x800) 2381 x0 -= 0x1000; 2382 if (y0 & 0x800) 2383 y0 -= 0x1000; 2384 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2385 x = sc->xold - x0; 2386 y = y0 - sc->yold; 2387 if (x < 0) /* XXX */ 2388 x++; 2389 else if (x) 2390 x--; 2391 if (y < 0) 2392 y++; 2393 else if (y) 2394 y--; 2395 } else { 2396 sc->flags |= PSM_FLAGS_FINGERDOWN; 2397 } 2398 sc->xold = x0; 2399 sc->yold = y0; 2400 } else { 2401 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2402 } 2403 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) 2404 | ((y < 0) ? MOUSE_PS2_YNEG : 0); 2405 break; 2406 2407 case MOUSE_MODEL_4D: 2408 /* 2409 * b7 b6 b5 b4 b3 b2 b1 b0 2410 * byte 1: s2 d2 s1 d1 1 M R L 2411 * byte 2: sx x x x x x x x 2412 * byte 3: sy y y y y y y y 2413 * 2414 * s1: wheel 1 direction 2415 * d1: wheel 1 data 2416 * s2: wheel 2 direction 2417 * d2: wheel 2 data 2418 */ 2419 x = (pb->ipacket[1] & 0x80) ? pb->ipacket[1] - 256 : pb->ipacket[1]; 2420 y = (pb->ipacket[2] & 0x80) ? pb->ipacket[2] - 256 : pb->ipacket[2]; 2421 switch (c & MOUSE_4D_WHEELBITS) { 2422 case 0x10: 2423 z = 1; 2424 break; 2425 case 0x30: 2426 z = -1; 2427 break; 2428 case 0x40: /* 2nd wheel turning right XXX */ 2429 z = 2; 2430 break; 2431 case 0xc0: /* 2nd wheel turning left XXX */ 2432 z = -2; 2433 break; 2434 } 2435 break; 2436 2437 case MOUSE_MODEL_4DPLUS: 2438 if ((x < 16 - 256) && (y < 16 - 256)) { 2439 /* 2440 * b7 b6 b5 b4 b3 b2 b1 b0 2441 * byte 1: 0 0 1 1 1 M R L 2442 * byte 2: 0 0 0 0 1 0 0 0 2443 * byte 3: 0 0 0 0 S s d1 d0 2444 * 2445 * L, M, R, S: left, middle, right and side buttons 2446 * s: wheel data sign bit 2447 * d1-d0: wheel data 2448 */ 2449 x = y = 0; 2450 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 2451 ms.button |= MOUSE_BUTTON4DOWN; 2452 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) 2453 ? ((pb->ipacket[2] & 0x07) - 8) 2454 : (pb->ipacket[2] & 0x07) ; 2455 } else { 2456 /* preserve previous button states */ 2457 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2458 } 2459 break; 2460 2461 case MOUSE_MODEL_SYNAPTICS: 2462 /* TouchPad PS/2 absolute mode message format 2463 * 2464 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2465 * ------------------------------------------------ 2466 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2467 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2468 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2469 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2470 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2471 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2472 * 2473 * Legend: 2474 * L: left physical mouse button 2475 * R: right physical mouse button 2476 * D: down button 2477 * U: up button 2478 * W: "wrist" value 2479 * X: x position 2480 * Y: x position 2481 * Z: pressure 2482 * 2483 * Absolute reportable limits: 0 - 6143. 2484 * Typical bezel limits: 1472 - 5472. 2485 * Typical edge marings: 1632 - 5312. 2486 * 2487 * w = 3 Passthrough Packet 2488 * 2489 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2490 */ 2491 2492 /* Sanity check for out of sync packets. */ 2493 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2494 (pb->ipacket[3] & 0xc8) != 0xc0) 2495 continue; 2496 2497 x = y = x0 = y0 = 0; 2498 2499 /* Pressure value. */ 2500 z = pb->ipacket[2]; 2501 w = ((pb->ipacket[0] & 0x30) >> 2) | 2502 ((pb->ipacket[0] & 0x04) >> 1) | 2503 ((pb->ipacket[3] & 0x04) >> 2); 2504 2505 ms.button = 0; 2506 if (pb->ipacket[0] & 0x01) 2507 ms.button |= MOUSE_BUTTON1DOWN; 2508 if (pb->ipacket[0] & 0x02) 2509 ms.button |= MOUSE_BUTTON3DOWN; 2510 2511 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2512 ms.button |= MOUSE_BUTTON2DOWN; 2513 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2514 ms.button |= MOUSE_BUTTON4DOWN; 2515 2516 /* There is a finger on the pad. */ 2517 if ((w >= 4 && w <= 7) && (z >= 16 && z < 200)) { 2518 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2519 ((pb->ipacket[1] & 0x0f) << 8) | 2520 pb->ipacket[4]; 2521 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2522 ((pb->ipacket[1] & 0xf0) << 4) | 2523 pb->ipacket[5]; 2524 2525 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2526 x0 = (x0 + sc->xold * 3) / 4; 2527 y0 = (y0 + sc->yold * 3) / 4; 2528 2529 x = (x0 - sc->xold) / 4; 2530 y = (y0 - sc->yold) / 4; 2531 } else { 2532 sc->flags |= PSM_FLAGS_FINGERDOWN; 2533 } 2534 2535 sc->xold = x0; 2536 sc->yold = y0; 2537 } else { 2538 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2539 } 2540 z = 0; 2541 break; 2542 2543 case MOUSE_MODEL_GENERIC: 2544 default: 2545 break; 2546 } 2547 2548 /* scale values */ 2549 if (sc->mode.accelfactor >= 1) { 2550 if (x != 0) { 2551 x = x * x / sc->mode.accelfactor; 2552 if (x == 0) 2553 x = 1; 2554 if (c & MOUSE_PS2_XNEG) 2555 x = -x; 2556 } 2557 if (y != 0) { 2558 y = y * y / sc->mode.accelfactor; 2559 if (y == 0) 2560 y = 1; 2561 if (c & MOUSE_PS2_YNEG) 2562 y = -y; 2563 } 2564 } 2565 2566 ms.dx = x; 2567 ms.dy = y; 2568 ms.dz = z; 2569 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) 2570 | (ms.obutton ^ ms.button); 2571 2572 if (sc->mode.level < PSM_LEVEL_NATIVE) 2573 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 2574 2575 sc->status.flags |= ms.flags; 2576 sc->status.dx += ms.dx; 2577 sc->status.dy += ms.dy; 2578 sc->status.dz += ms.dz; 2579 sc->status.button = ms.button; 2580 sc->button = ms.button; 2581 2582 sc->watchdog = FALSE; 2583 2584 /* queue data */ 2585 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 2586 l = imin(pb->inputbytes, sizeof(sc->queue.buf) - sc->queue.tail); 2587 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 2588 if (pb->inputbytes > l) 2589 bcopy(&pb->ipacket[l], &sc->queue.buf[0], pb->inputbytes - l); 2590 sc->queue.tail = 2591 (sc->queue.tail + pb->inputbytes) % sizeof(sc->queue.buf); 2592 sc->queue.count += pb->inputbytes; 2593 } 2594 pb->inputbytes = 0; 2595 2596 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 2597 sc->pqueue_start = 0; 2598 } while (sc->pqueue_start != sc->pqueue_end); 2599 if (sc->state & PSM_ASLP) { 2600 sc->state &= ~PSM_ASLP; 2601 wakeup( sc); 2602 } 2603 selwakeuppri(&sc->rsel, PZERO); 2604 sc->state &= ~PSM_SOFTARMED; 2605 splx(s); 2606 } 2607 2608 static int 2609 psmpoll(struct cdev *dev, int events, struct thread *td) 2610 { 2611 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 2612 int s; 2613 int revents = 0; 2614 2615 /* Return true if a mouse event available */ 2616 s = spltty(); 2617 if (events & (POLLIN | POLLRDNORM)) { 2618 if (sc->queue.count > 0) 2619 revents |= events & (POLLIN | POLLRDNORM); 2620 else 2621 selrecord(td, &sc->rsel); 2622 } 2623 splx(s); 2624 2625 return (revents); 2626 } 2627 2628 /* vendor/model specific routines */ 2629 2630 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 2631 { 2632 if (set_mouse_resolution(kbdc, res) != res) 2633 return FALSE; 2634 if (set_mouse_scaling(kbdc, scale) 2635 && set_mouse_scaling(kbdc, scale) 2636 && set_mouse_scaling(kbdc, scale) 2637 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) 2638 return TRUE; 2639 return FALSE; 2640 } 2641 2642 static int 2643 mouse_ext_command(KBDC kbdc, int command) 2644 { 2645 int c; 2646 2647 c = (command >> 6) & 0x03; 2648 if (set_mouse_resolution(kbdc, c) != c) 2649 return FALSE; 2650 c = (command >> 4) & 0x03; 2651 if (set_mouse_resolution(kbdc, c) != c) 2652 return FALSE; 2653 c = (command >> 2) & 0x03; 2654 if (set_mouse_resolution(kbdc, c) != c) 2655 return FALSE; 2656 c = (command >> 0) & 0x03; 2657 if (set_mouse_resolution(kbdc, c) != c) 2658 return FALSE; 2659 return TRUE; 2660 } 2661 2662 #if notyet 2663 /* Logitech MouseMan Cordless II */ 2664 static int 2665 enable_lcordless(struct psm_softc *sc) 2666 { 2667 int status[3]; 2668 int ch; 2669 2670 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 2671 return FALSE; 2672 if (status[1] == PSMD_RES_HIGH) 2673 return FALSE; 2674 ch = (status[0] & 0x07) - 1; /* channel # */ 2675 if ((ch <= 0) || (ch > 4)) 2676 return FALSE; 2677 /* 2678 * status[1]: always one? 2679 * status[2]: battery status? (0-100) 2680 */ 2681 return TRUE; 2682 } 2683 #endif /* notyet */ 2684 2685 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 2686 static int 2687 enable_groller(struct psm_softc *sc) 2688 { 2689 int status[3]; 2690 2691 /* 2692 * The special sequence to enable the fourth button and the 2693 * roller. Immediately after this sequence check status bytes. 2694 * if the mouse is NetScroll, the second and the third bytes are 2695 * '3' and 'D'. 2696 */ 2697 2698 /* 2699 * If the mouse is an ordinary PS/2 mouse, the status bytes should 2700 * look like the following. 2701 * 2702 * byte 1 bit 7 always 0 2703 * bit 6 stream mode (0) 2704 * bit 5 disabled (0) 2705 * bit 4 1:1 scaling (0) 2706 * bit 3 always 0 2707 * bit 0-2 button status 2708 * byte 2 resolution (PSMD_RES_HIGH) 2709 * byte 3 report rate (?) 2710 */ 2711 2712 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2713 return FALSE; 2714 if ((status[1] != '3') || (status[2] != 'D')) 2715 return FALSE; 2716 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 2717 sc->hw.buttons = 4; 2718 return TRUE; 2719 } 2720 2721 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 2722 static int 2723 enable_gmouse(struct psm_softc *sc) 2724 { 2725 int status[3]; 2726 2727 /* 2728 * The special sequence to enable the middle, "rubber" button. 2729 * Immediately after this sequence check status bytes. 2730 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 2731 * the second and the third bytes are '3' and 'U'. 2732 * NOTE: NetMouse reports that it has three buttons although it has 2733 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 2734 * say they have three buttons too and they do have a button on the 2735 * side... 2736 */ 2737 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2738 return FALSE; 2739 if ((status[1] != '3') || (status[2] != 'U')) 2740 return FALSE; 2741 return TRUE; 2742 } 2743 2744 /* ALPS GlidePoint */ 2745 static int 2746 enable_aglide(struct psm_softc *sc) 2747 { 2748 int status[3]; 2749 2750 /* 2751 * The special sequence to obtain ALPS GlidePoint specific 2752 * information. Immediately after this sequence, status bytes will 2753 * contain something interesting. 2754 * NOTE: ALPS produces several models of GlidePoint. Some of those 2755 * do not respond to this sequence, thus, cannot be detected this way. 2756 */ 2757 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 2758 return FALSE; 2759 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 2760 return FALSE; 2761 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 2762 return FALSE; 2763 return TRUE; 2764 } 2765 2766 /* Kensington ThinkingMouse/Trackball */ 2767 static int 2768 enable_kmouse(struct psm_softc *sc) 2769 { 2770 static unsigned char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 2771 KBDC kbdc = sc->kbdc; 2772 int status[3]; 2773 int id1; 2774 int id2; 2775 int i; 2776 2777 id1 = get_aux_id(kbdc); 2778 if (set_mouse_sampling_rate(kbdc, 10) != 10) 2779 return FALSE; 2780 /* 2781 * The device is now in the native mode? It returns a different 2782 * ID value... 2783 */ 2784 id2 = get_aux_id(kbdc); 2785 if ((id1 == id2) || (id2 != 2)) 2786 return FALSE; 2787 2788 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 2789 return FALSE; 2790 #if PSM_DEBUG >= 2 2791 /* at this point, resolution is LOW, sampling rate is 10/sec */ 2792 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2793 return FALSE; 2794 #endif 2795 2796 /* 2797 * The special sequence to enable the third and fourth buttons. 2798 * Otherwise they behave like the first and second buttons. 2799 */ 2800 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2801 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2802 return FALSE; 2803 } 2804 2805 /* 2806 * At this point, the device is using default resolution and 2807 * sampling rate for the native mode. 2808 */ 2809 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2810 return FALSE; 2811 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 2812 return FALSE; 2813 2814 /* the device appears be enabled by this sequence, diable it for now */ 2815 disable_aux_dev(kbdc); 2816 empty_aux_buffer(kbdc, 5); 2817 2818 return TRUE; 2819 } 2820 2821 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 2822 static int 2823 enable_mmanplus(struct psm_softc *sc) 2824 { 2825 KBDC kbdc = sc->kbdc; 2826 int data[3]; 2827 2828 /* the special sequence to enable the fourth button and the roller. */ 2829 /* 2830 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 2831 * must be called exactly three times since the last RESET command 2832 * before this sequence. XXX 2833 */ 2834 if (!set_mouse_scaling(kbdc, 1)) 2835 return FALSE; 2836 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 2837 return FALSE; 2838 if (get_mouse_status(kbdc, data, 1, 3) < 3) 2839 return FALSE; 2840 2841 /* 2842 * PS2++ protocl, packet type 0 2843 * 2844 * b7 b6 b5 b4 b3 b2 b1 b0 2845 * byte 1: * 1 p3 p2 1 * * * 2846 * byte 2: 1 1 p1 p0 m1 m0 1 0 2847 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 2848 * 2849 * p3-p0: packet type: 0 2850 * m7-m0: model ID: MouseMan+:0x50, FirstMouse+:0x51, ScrollPoint:0x58... 2851 */ 2852 /* check constant bits */ 2853 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 2854 return FALSE; 2855 if ((data[1] & 0xc3) != 0xc2) 2856 return FALSE; 2857 /* check d3-d0 in byte 2 */ 2858 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 2859 return FALSE; 2860 /* check p3-p0 */ 2861 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 2862 return FALSE; 2863 2864 sc->hw.hwid &= 0x00ff; 2865 sc->hw.hwid |= data[2] << 8; /* save model ID */ 2866 2867 /* 2868 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 2869 * the wheel and the fourth button events are encoded in the 2870 * special data packet. The mouse may be put in the IntelliMouse mode 2871 * if it is initialized by the IntelliMouse's method. 2872 */ 2873 return TRUE; 2874 } 2875 2876 /* MS IntelliMouse Explorer */ 2877 static int 2878 enable_msexplorer(struct psm_softc *sc) 2879 { 2880 static unsigned char rate0[] = { 200, 100, 80, }; 2881 static unsigned char rate1[] = { 200, 200, 80, }; 2882 KBDC kbdc = sc->kbdc; 2883 int id; 2884 int i; 2885 2886 /* the special sequence to enable the extra buttons and the roller. */ 2887 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) { 2888 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 2889 return FALSE; 2890 } 2891 /* the device will give the genuine ID only after the above sequence */ 2892 id = get_aux_id(kbdc); 2893 if (id != PSM_EXPLORER_ID) 2894 return FALSE; 2895 2896 sc->hw.hwid = id; 2897 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 2898 2899 /* 2900 * XXX: this is a kludge to fool some KVM switch products 2901 * which think they are clever enough to know the 4-byte IntelliMouse 2902 * protocol, and assume any other protocols use 3-byte packets. 2903 * They don't convey 4-byte data packets from the IntelliMouse Explorer 2904 * correctly to the host computer because of this! 2905 * The following sequence is actually IntelliMouse's "wake up" 2906 * sequence; it will make the KVM think the mouse is IntelliMouse 2907 * when it is in fact IntelliMouse Explorer. 2908 */ 2909 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) { 2910 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 2911 break; 2912 } 2913 id = get_aux_id(kbdc); 2914 2915 return TRUE; 2916 } 2917 2918 /* MS IntelliMouse */ 2919 static int 2920 enable_msintelli(struct psm_softc *sc) 2921 { 2922 /* 2923 * Logitech MouseMan+ and FirstMouse+ will also respond to this 2924 * probe routine and act like IntelliMouse. 2925 */ 2926 2927 static unsigned char rate[] = { 200, 100, 80, }; 2928 KBDC kbdc = sc->kbdc; 2929 int id; 2930 int i; 2931 2932 /* the special sequence to enable the third button and the roller. */ 2933 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2934 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2935 return FALSE; 2936 } 2937 /* the device will give the genuine ID only after the above sequence */ 2938 id = get_aux_id(kbdc); 2939 if (id != PSM_INTELLI_ID) 2940 return FALSE; 2941 2942 sc->hw.hwid = id; 2943 sc->hw.buttons = 3; 2944 2945 return TRUE; 2946 } 2947 2948 /* A4 Tech 4D Mouse */ 2949 static int 2950 enable_4dmouse(struct psm_softc *sc) 2951 { 2952 /* 2953 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 2954 */ 2955 2956 static unsigned char rate[] = { 200, 100, 80, 60, 40, 20 }; 2957 KBDC kbdc = sc->kbdc; 2958 int id; 2959 int i; 2960 2961 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2962 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2963 return FALSE; 2964 } 2965 id = get_aux_id(kbdc); 2966 /* 2967 * WinEasy 4D, 4 Way Scroll 4D: 6 2968 * Cable-Free 4D: 8 (4DPLUS) 2969 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 2970 */ 2971 if (id != PSM_4DMOUSE_ID) 2972 return FALSE; 2973 2974 sc->hw.hwid = id; 2975 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 2976 2977 return TRUE; 2978 } 2979 2980 /* A4 Tech 4D+ Mouse */ 2981 static int 2982 enable_4dplus(struct psm_softc *sc) 2983 { 2984 /* 2985 * Newer wheel mice from A4 Tech seem to use this protocol. 2986 * Older models are recognized as either 4D Mouse or IntelliMouse. 2987 */ 2988 KBDC kbdc = sc->kbdc; 2989 int id; 2990 2991 /* 2992 * enable_4dmouse() already issued the following ID sequence... 2993 static unsigned char rate[] = { 200, 100, 80, 60, 40, 20 }; 2994 int i; 2995 2996 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2997 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2998 return FALSE; 2999 } 3000 */ 3001 3002 id = get_aux_id(kbdc); 3003 switch (id) { 3004 case PSM_4DPLUS_ID: 3005 sc->hw.buttons = 4; 3006 break; 3007 case PSM_4DPLUS_RFSW35_ID: 3008 sc->hw.buttons = 3; 3009 break; 3010 default: 3011 return FALSE; 3012 } 3013 3014 sc->hw.hwid = id; 3015 3016 return TRUE; 3017 } 3018 3019 /* Synaptics Touchpad */ 3020 static int 3021 enable_synaptics(struct psm_softc *sc) 3022 { 3023 int status[3]; 3024 KBDC kbdc; 3025 3026 kbdc = sc->kbdc; 3027 disable_aux_dev(kbdc); 3028 3029 /* Just to be on the safe side */ 3030 set_mouse_scaling(kbdc, 1); 3031 3032 if (mouse_ext_command(kbdc, 0) == 0) 3033 return (FALSE); 3034 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3035 return (FALSE); 3036 3037 /* If it is a Synaptics, byte 2 is 0x47. */ 3038 if (status[1] != 0x47) 3039 return (FALSE); 3040 3041 /* 3042 * Identify the Touchpad version. The first byte contains the minor 3043 * version number, the lower 4 bits of the third byte contain infoMajor, 3044 * and the upper 4 bits contain the (obsolete) infoModelCode. 3045 */ 3046 sc->synhw.infoMinor = status[0]; 3047 sc->synhw.infoMajor = status[2] & 0x0f; 3048 if (verbose >= 2) { 3049 printf("Synaptics Touchpad:\n"); 3050 printf(" Version: %d.%d\n", sc->synhw.infoMajor, sc->synhw.infoMinor); 3051 } 3052 if (sc->synhw.infoMajor < 4) { 3053 printf("Synaptics Version less than 4 detected, not yet supported\n"); 3054 return (FALSE); 3055 } 3056 3057 if (mouse_ext_command(kbdc, 3) == 0) 3058 return (FALSE); 3059 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3060 return (FALSE); 3061 if ((status[1] & 0x01) != 0) { 3062 printf(" Could not read model id bytes from the Touchpad\n"); 3063 return (FALSE); 3064 } 3065 3066 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 3067 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 3068 sc->synhw.infoSensor = status[0] & 0x3f; 3069 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 3070 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 3071 sc->synhw.capPen = (status[2] & 0x40) >> 6; 3072 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 3073 sc->synhw.infoGeometry = status[2] & 0x0f; 3074 if (verbose >= 2) { 3075 printf(" Model id: %02x %02x %02x\n", status[0] , status[1] , 3076 status[2]); 3077 printf(" infoRot180: %d\n",sc->synhw.infoRot180); 3078 printf(" infoPortrait: %d\n",sc->synhw.infoPortrait); 3079 printf(" infoSensor: %d\n",sc->synhw.infoSensor); 3080 printf(" infoHardware: %d\n",sc->synhw.infoHardware); 3081 printf(" infoNewAbs: %d\n",sc->synhw.infoNewAbs); 3082 printf(" capPen: %d\n",sc->synhw.capPen); 3083 printf(" infoSimplC: %d\n",sc->synhw.infoSimplC); 3084 printf(" infoGeometry: %d\n",sc->synhw.infoGeometry); 3085 } 3086 3087 if (mouse_ext_command(kbdc, 2) == 0) 3088 return (FALSE); 3089 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3090 return (FALSE); 3091 if (status[1] != 0x47) { 3092 printf(" Could not read capabilities from the Touchpad\n"); 3093 return (FALSE); 3094 } 3095 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 3096 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 3097 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 3098 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 3099 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 3100 sc->synhw.capPalmDetect = (status[2] & 0x01); 3101 if (verbose >= 2) 3102 printf(" Capability Bytes: %02x %02x %02x\n", status[0], status[1], 3103 status[2]); 3104 3105 if (mouse_ext_command(kbdc, 1) == 0) 3106 return (FALSE); 3107 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3108 return (FALSE); 3109 if (status[0] != 0x3b || status[1] != 0x47) { 3110 printf(" Could not read mode byte from the Touchpad\n"); 3111 return (FALSE); 3112 } 3113 if (verbose >= 2) 3114 printf(" Mode byte set by BIOS: %02x\n", status[2]); 3115 3116 /* 3117 * Mode byte values: 3118 * 1 (absolute) 3119 * 1 rate (0 = 40/1 = 80) 3120 * 0 3121 * 0 (reserved) 3122 * 0 (Sleep (Only buttons)) 3123 * 0 DisGest (not for absolute Mode) 3124 * 0 pktsize (0 for ps2) 3125 * 1 wmode 3126 */ 3127 sc->hw.buttons = 3; 3128 3129 /* Set encode mode byte and sampling rate. */ 3130 mouse_ext_command(kbdc, 0xc1); 3131 set_mouse_sampling_rate(kbdc, 20); 3132 3133 return (TRUE); 3134 } 3135 /* Interlink electronics VersaPad */ 3136 static int 3137 enable_versapad(struct psm_softc *sc) 3138 { 3139 KBDC kbdc = sc->kbdc; 3140 int data[3]; 3141 3142 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 3143 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 3144 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3145 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3146 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3147 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3148 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 3149 return FALSE; 3150 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 3151 return FALSE; 3152 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3153 3154 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 3155 3156 return TRUE; /* PS/2 absolute mode */ 3157 } 3158 3159 static int 3160 psmresume(device_t dev) 3161 { 3162 struct psm_softc *sc = device_get_softc(dev); 3163 int unit = device_get_unit(dev); 3164 int err; 3165 3166 if (verbose >= 2) 3167 log(LOG_NOTICE, "psm%d: system resume hook called.\n", unit); 3168 3169 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 3170 return (0); 3171 3172 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 3173 3174 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 3175 /* 3176 * Release the blocked process; it must be notified that the device 3177 * cannot be accessed anymore. 3178 */ 3179 sc->state &= ~PSM_ASLP; 3180 wakeup(sc); 3181 } 3182 3183 if (verbose >= 2) 3184 log(LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit); 3185 3186 return (err); 3187 } 3188 3189 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 3190 3191 /* 3192 * This sucks up assignments from PNPBIOS and ACPI. 3193 */ 3194 3195 /* 3196 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 3197 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 3198 * can be probed and attached only after the AT keyboard controller is 3199 * attached, we shall quietly reserve the IRQ resource for later use. 3200 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 3201 * copy the IRQ resource to the PS/2 mouse device instance hanging 3202 * under the keyboard controller, then probe and attach it. 3203 */ 3204 3205 static devclass_t psmcpnp_devclass; 3206 3207 static device_probe_t psmcpnp_probe; 3208 static device_attach_t psmcpnp_attach; 3209 3210 static device_method_t psmcpnp_methods[] = { 3211 DEVMETHOD(device_probe, psmcpnp_probe), 3212 DEVMETHOD(device_attach, psmcpnp_attach), 3213 3214 { 0, 0 } 3215 }; 3216 3217 static driver_t psmcpnp_driver = { 3218 PSMCPNP_DRIVER_NAME, 3219 psmcpnp_methods, 3220 1, /* no softc */ 3221 }; 3222 3223 static struct isa_pnp_id psmcpnp_ids[] = { 3224 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 3225 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 3226 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 3227 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 3228 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 3229 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 3230 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 3231 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 3232 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 3233 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 3234 { 0 } 3235 }; 3236 3237 static int 3238 create_a_copy(device_t atkbdc, device_t me) 3239 { 3240 device_t psm; 3241 u_long irq; 3242 3243 /* find the PS/2 mouse device instance under the keyboard controller */ 3244 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 3245 device_get_unit(atkbdc)); 3246 if (psm == NULL) 3247 return ENXIO; 3248 if (device_get_state(psm) != DS_NOTPRESENT) 3249 return 0; 3250 3251 /* move our resource to the found device */ 3252 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 3253 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 3254 3255 /* ...then probe and attach it */ 3256 return device_probe_and_attach(psm); 3257 } 3258 3259 static int 3260 psmcpnp_probe(device_t dev) 3261 { 3262 struct resource *res; 3263 u_long irq; 3264 int rid; 3265 3266 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 3267 return ENXIO; 3268 3269 /* 3270 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 3271 * to the PS/2 mouse device node. But, some buggy PnP BIOS 3272 * declares the PS/2 mouse device node without an IRQ resource! 3273 * If this happens, we shall refer to device hints. 3274 * If we still don't find it there, use a hardcoded value... XXX 3275 */ 3276 rid = 0; 3277 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 3278 if (irq <= 0) { 3279 if (resource_long_value(PSM_DRIVER_NAME, 3280 device_get_unit(dev), "irq", &irq) != 0) 3281 irq = 12; /* XXX */ 3282 device_printf(dev, "irq resource info is missing; " 3283 "assuming irq %ld\n", irq); 3284 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 3285 } 3286 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 3287 RF_SHAREABLE); 3288 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 3289 3290 /* keep quiet */ 3291 if (!bootverbose) 3292 device_quiet(dev); 3293 3294 return ((res == NULL) ? ENXIO : 0); 3295 } 3296 3297 static int 3298 psmcpnp_attach(device_t dev) 3299 { 3300 device_t atkbdc; 3301 int rid; 3302 3303 /* find the keyboard controller, which may be on acpi* or isa* bus */ 3304 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 3305 device_get_unit(dev)); 3306 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) { 3307 create_a_copy(atkbdc, dev); 3308 } else { 3309 /* 3310 * If we don't have the AT keyboard controller yet, 3311 * just reserve the IRQ for later use... 3312 * (See psmidentify() above.) 3313 */ 3314 rid = 0; 3315 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 3316 } 3317 3318 return 0; 3319 } 3320 3321 /* 3322 * Return true if 'now' is earlier than (start + (secs.usecs)). 3323 * Now may be NULL and the function will fetch the current time from 3324 * getmicrouptime(), or a cached 'now' can be passed in. 3325 * All values should be numbers derived from getmicrouptime(). 3326 */ 3327 static int 3328 timeelapsed(start, secs, usecs, now) 3329 const struct timeval *start, *now; 3330 int secs, usecs; 3331 { 3332 struct timeval snow, tv; 3333 3334 /* if there is no 'now' passed in, the get it as a convience. */ 3335 if (now == NULL) { 3336 getmicrouptime(&snow); 3337 now = &snow; 3338 } 3339 3340 tv.tv_sec = secs; 3341 tv.tv_usec = usecs; 3342 timevaladd(&tv, start); 3343 return (timevalcmp(&tv, now, <)); 3344 } 3345 3346 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 3347 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 3348