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_isa.h" 65 #include "opt_psm.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/kernel.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/conf.h> 73 #include <sys/poll.h> 74 #include <sys/syslog.h> 75 #include <machine/bus.h> 76 #include <sys/rman.h> 77 #include <sys/selinfo.h> 78 #include <sys/sysctl.h> 79 #include <sys/time.h> 80 #include <sys/uio.h> 81 82 #include <sys/limits.h> 83 #include <sys/mouse.h> 84 #include <machine/resource.h> 85 86 #ifdef DEV_ISA 87 #include <isa/isavar.h> 88 #endif 89 90 #include <dev/atkbdc/atkbdcreg.h> 91 #include <dev/atkbdc/psm.h> 92 93 /* 94 * Driver specific options: the following options may be set by 95 * `options' statements in the kernel configuration file. 96 */ 97 98 /* debugging */ 99 #ifndef PSM_DEBUG 100 #define PSM_DEBUG 0 /* 101 * logging: 0: none, 1: brief, 2: verbose 102 * 3: sync errors, 4: all packets 103 */ 104 #endif 105 #define VLOG(level, args) \ 106 do { \ 107 if (verbose >= level) \ 108 log args; \ 109 } while (0) 110 111 #ifndef PSM_INPUT_TIMEOUT 112 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 113 #endif 114 115 #ifndef PSM_TAP_TIMEOUT 116 #define PSM_TAP_TIMEOUT 125000 117 #endif 118 119 #ifndef PSM_TAP_THRESHOLD 120 #define PSM_TAP_THRESHOLD 25 121 #endif 122 123 /* end of driver specific options */ 124 125 #define PSMCPNP_DRIVER_NAME "psmcpnp" 126 127 /* input queue */ 128 #define PSM_BUFSIZE 960 129 #define PSM_SMALLBUFSIZE 240 130 131 /* operation levels */ 132 #define PSM_LEVEL_BASE 0 133 #define PSM_LEVEL_STANDARD 1 134 #define PSM_LEVEL_NATIVE 2 135 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 136 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 137 138 /* Logitech PS2++ protocol */ 139 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 140 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 141 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 142 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 143 144 /* some macros */ 145 #define PSM_UNIT(dev) (minor(dev) >> 1) 146 #define PSM_NBLOCKIO(dev) (minor(dev) & 1) 147 #define PSM_MKMINOR(unit,block) (((unit) << 1) | ((block) ? 0:1)) 148 149 /* ring buffer */ 150 typedef struct ringbuf { 151 int count; /* # of valid elements in the buffer */ 152 int head; /* head pointer */ 153 int tail; /* tail poiner */ 154 unsigned char buf[PSM_BUFSIZE]; 155 } ringbuf_t; 156 157 /* data buffer */ 158 typedef struct packetbuf { 159 unsigned char ipacket[16]; /* interim input buffer */ 160 int inputbytes; /* # of bytes in the input buffer */ 161 } packetbuf_t; 162 163 #ifndef PSM_PACKETQUEUE 164 #define PSM_PACKETQUEUE 128 165 #endif 166 167 typedef struct synapticsinfo { 168 struct sysctl_ctx_list sysctl_ctx; 169 struct sysctl_oid *sysctl_tree; 170 int directional_scrolls; 171 int low_speed_threshold; 172 int min_movement; 173 int squelch_level; 174 } synapticsinfo_t; 175 176 /* driver control block */ 177 struct psm_softc { /* Driver status information */ 178 int unit; 179 struct selinfo rsel; /* Process selecting for Input */ 180 unsigned char state; /* Mouse driver state */ 181 int config; /* driver configuration flags */ 182 int flags; /* other flags */ 183 KBDC kbdc; /* handle to access the keyboard controller */ 184 struct resource *intr; /* IRQ resource */ 185 void *ih; /* interrupt handle */ 186 mousehw_t hw; /* hardware information */ 187 synapticshw_t synhw; /* Synaptics-specific hardware information */ 188 synapticsinfo_t syninfo; /* Synaptics-specific configuration */ 189 mousemode_t mode; /* operation mode */ 190 mousemode_t dflt_mode; /* default operation mode */ 191 mousestatus_t status; /* accumulated mouse movement */ 192 ringbuf_t queue; /* mouse status queue */ 193 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 194 int pqueue_start; /* start of data in queue */ 195 int pqueue_end; /* end of data in queue */ 196 int button; /* the latest button state */ 197 int xold; /* previous absolute X position */ 198 int yold; /* previous absolute Y position */ 199 int xaverage; /* average X position */ 200 int yaverage; /* average Y position */ 201 int squelch; /* level to filter movement data at low speed */ 202 int zmax; /* maximum pressure value for touchpads */ 203 int syncerrors; /* # of bytes discarded searching for sync */ 204 int pkterrors; /* # of packets failed during quaranteen. */ 205 struct timeval inputtimeout; 206 struct timeval lastsoftintr; /* time of last soft interrupt */ 207 struct timeval lastinputerr; /* time last sync error happened */ 208 struct timeval taptimeout; /* tap timeout for touchpads */ 209 int watchdog; /* watchdog timer flag */ 210 struct callout_handle callout; /* watchdog timer call out */ 211 struct callout_handle softcallout; /* buffer timer call out */ 212 struct cdev *dev; 213 struct cdev *bdev; 214 int lasterr; 215 int cmdcount; 216 }; 217 static devclass_t psm_devclass; 218 #define PSM_SOFTC(unit) ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 219 220 /* driver state flags (state) */ 221 #define PSM_VALID 0x80 222 #define PSM_OPEN 1 /* Device is open */ 223 #define PSM_ASLP 2 /* Waiting for mouse data */ 224 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 225 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 226 227 /* driver configuration flags (config) */ 228 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 229 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 230 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 231 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 232 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 233 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 234 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 235 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 236 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 237 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 238 239 #define PSM_CONFIG_FLAGS (PSM_CONFIG_RESOLUTION \ 240 | PSM_CONFIG_ACCEL \ 241 | PSM_CONFIG_NOCHECKSYNC \ 242 | PSM_CONFIG_SYNCHACK \ 243 | PSM_CONFIG_NOIDPROBE \ 244 | PSM_CONFIG_NORESET \ 245 | PSM_CONFIG_FORCETAP \ 246 | PSM_CONFIG_IGNPORTERROR \ 247 | PSM_CONFIG_HOOKRESUME \ 248 | PSM_CONFIG_INITAFTERSUSPEND) 249 250 /* other flags (flags) */ 251 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 252 253 /* Tunables */ 254 static int synaptics_support = 0; 255 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 256 257 static int verbose = PSM_DEBUG; 258 TUNABLE_INT("debug.psm.loglevel", &verbose); 259 260 /* for backward compatibility */ 261 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 262 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 263 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 264 265 typedef struct old_mousehw { 266 int buttons; 267 int iftype; 268 int type; 269 int hwid; 270 } old_mousehw_t; 271 272 typedef struct old_mousemode { 273 int protocol; 274 int rate; 275 int resolution; 276 int accelfactor; 277 } old_mousemode_t; 278 279 /* packet formatting function */ 280 typedef int packetfunc_t(struct psm_softc *, unsigned char *, 281 int *, int, mousestatus_t *); 282 283 /* function prototypes */ 284 static void psmidentify(driver_t *, device_t); 285 static int psmprobe(device_t); 286 static int psmattach(device_t); 287 static int psmdetach(device_t); 288 static int psmresume(device_t); 289 290 static d_open_t psmopen; 291 static d_close_t psmclose; 292 static d_read_t psmread; 293 static d_ioctl_t psmioctl; 294 static d_poll_t psmpoll; 295 296 static int enable_aux_dev(KBDC); 297 static int disable_aux_dev(KBDC); 298 static int get_mouse_status(KBDC, int *, int, int); 299 static int get_aux_id(KBDC); 300 static int set_mouse_sampling_rate(KBDC, int); 301 static int set_mouse_scaling(KBDC, int); 302 static int set_mouse_resolution(KBDC, int); 303 static int set_mouse_mode(KBDC); 304 static int get_mouse_buttons(KBDC); 305 static int is_a_mouse(int); 306 static void recover_from_error(KBDC); 307 static int restore_controller(KBDC, int); 308 static int doinitialize(struct psm_softc *, mousemode_t *); 309 static int doopen(struct psm_softc *, int); 310 static int reinitialize(struct psm_softc *, int); 311 static char *model_name(int); 312 static void psmsoftintr(void *); 313 static void psmintr(void *); 314 static void psmtimeout(void *); 315 static int timeelapsed(const struct timeval *, 316 int, int, const struct timeval *); 317 static void dropqueue(struct psm_softc *); 318 static void flushpackets(struct psm_softc *); 319 320 /* vendor specific features */ 321 typedef int probefunc_t(struct psm_softc *); 322 323 static int mouse_id_proc1(KBDC, int, int, int *); 324 static int mouse_ext_command(KBDC, int); 325 static probefunc_t enable_groller; 326 static probefunc_t enable_gmouse; 327 static probefunc_t enable_aglide; 328 static probefunc_t enable_kmouse; 329 static probefunc_t enable_msexplorer; 330 static probefunc_t enable_msintelli; 331 static probefunc_t enable_4dmouse; 332 static probefunc_t enable_4dplus; 333 static probefunc_t enable_mmanplus; 334 static probefunc_t enable_synaptics; 335 static probefunc_t enable_versapad; 336 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, unsigned char *); 337 338 static struct { 339 int model; 340 unsigned char syncmask; 341 int packetsize; 342 probefunc_t *probefunc; 343 } vendortype[] = { 344 /* 345 * WARNING: the order of probe is very important. Don't mess it 346 * unless you know what you are doing. 347 */ 348 { MOUSE_MODEL_NET, /* Genius NetMouse */ 349 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse, }, 350 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 351 0xc8, 6, enable_groller, }, 352 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 353 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus, }, 354 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 355 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer, }, 356 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 357 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse, }, 358 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 359 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus, }, 360 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 361 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli, }, 362 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 363 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide, }, 364 { MOUSE_MODEL_THINK, /* Kensignton ThinkingMouse */ 365 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse, }, 366 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 367 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad, }, 368 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 369 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics, }, 370 { MOUSE_MODEL_GENERIC, 371 0xc0, MOUSE_PS2_PACKETSIZE, NULL, }, 372 }; 373 #define GENERIC_MOUSE_ENTRY ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 374 375 /* device driver declarateion */ 376 static device_method_t psm_methods[] = { 377 /* Device interface */ 378 DEVMETHOD(device_identify, psmidentify), 379 DEVMETHOD(device_probe, psmprobe), 380 DEVMETHOD(device_attach, psmattach), 381 DEVMETHOD(device_detach, psmdetach), 382 DEVMETHOD(device_resume, psmresume), 383 384 { 0, 0 } 385 }; 386 387 static driver_t psm_driver = { 388 PSM_DRIVER_NAME, 389 psm_methods, 390 sizeof(struct psm_softc), 391 }; 392 393 394 static struct cdevsw psm_cdevsw = { 395 .d_version = D_VERSION, 396 .d_flags = D_NEEDGIANT, 397 .d_open = psmopen, 398 .d_close = psmclose, 399 .d_read = psmread, 400 .d_ioctl = psmioctl, 401 .d_poll = psmpoll, 402 .d_name = PSM_DRIVER_NAME, 403 }; 404 405 /* device I/O routines */ 406 static int 407 enable_aux_dev(KBDC kbdc) 408 { 409 int res; 410 411 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 412 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 413 414 return (res == PSM_ACK); 415 } 416 417 static int 418 disable_aux_dev(KBDC kbdc) 419 { 420 int res; 421 422 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 423 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 424 425 return (res == PSM_ACK); 426 } 427 428 static int 429 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 430 { 431 int cmd; 432 int res; 433 int i; 434 435 switch (flag) { 436 case 0: 437 default: 438 cmd = PSMC_SEND_DEV_STATUS; 439 break; 440 case 1: 441 cmd = PSMC_SEND_DEV_DATA; 442 break; 443 } 444 empty_aux_buffer(kbdc, 5); 445 res = send_aux_command(kbdc, cmd); 446 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 447 (flag == 1) ? "DATA" : "STATUS", res)); 448 if (res != PSM_ACK) 449 return 0; 450 451 for (i = 0; i < len; ++i) { 452 status[i] = read_aux_data(kbdc); 453 if (status[i] < 0) 454 break; 455 } 456 457 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 458 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 459 460 return i; 461 } 462 463 static int 464 get_aux_id(KBDC kbdc) 465 { 466 int res; 467 int id; 468 469 empty_aux_buffer(kbdc, 5); 470 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 471 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 472 if (res != PSM_ACK) 473 return (-1); 474 475 /* 10ms delay */ 476 DELAY(10000); 477 478 id = read_aux_data(kbdc); 479 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 480 481 return id; 482 } 483 484 static int 485 set_mouse_sampling_rate(KBDC kbdc, int rate) 486 { 487 int res; 488 489 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 490 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 491 492 return ((res == PSM_ACK) ? rate : -1); 493 } 494 495 static int 496 set_mouse_scaling(KBDC kbdc, int scale) 497 { 498 int res; 499 500 switch (scale) { 501 case 1: 502 default: 503 scale = PSMC_SET_SCALING11; 504 break; 505 case 2: 506 scale = PSMC_SET_SCALING21; 507 break; 508 } 509 res = send_aux_command(kbdc, scale); 510 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 511 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 512 513 return (res == PSM_ACK); 514 } 515 516 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 517 static int 518 set_mouse_resolution(KBDC kbdc, int val) 519 { 520 int res; 521 522 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 523 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 524 525 return ((res == PSM_ACK) ? val : -1); 526 } 527 528 /* 529 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 530 * re-enabled by calling `enable_aux_dev()' 531 */ 532 static int 533 set_mouse_mode(KBDC kbdc) 534 { 535 int res; 536 537 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 538 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 539 540 return (res == PSM_ACK); 541 } 542 543 static int 544 get_mouse_buttons(KBDC kbdc) 545 { 546 int c = 2; /* assume two buttons by default */ 547 int status[3]; 548 549 /* 550 * NOTE: a special sequence to obtain Logitech Mouse specific 551 * information: set resolution to 25 ppi, set scaling to 1:1, set 552 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 553 * mouse status bytes is the number of available buttons. 554 * Some manufactures also support this sequence. 555 */ 556 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 557 return c; 558 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) 559 && set_mouse_scaling(kbdc, 1) 560 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) { 561 if (status[1] != 0) 562 return status[1]; 563 } 564 return c; 565 } 566 567 /* misc subroutines */ 568 /* 569 * Someday, I will get the complete list of valid pointing devices and 570 * their IDs... XXX 571 */ 572 static int 573 is_a_mouse(int id) 574 { 575 #if 0 576 static int valid_ids[] = { 577 PSM_MOUSE_ID, /* mouse */ 578 PSM_BALLPOINT_ID, /* ballpoint device */ 579 PSM_INTELLI_ID, /* Intellimouse */ 580 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 581 -1 /* end of table */ 582 }; 583 int i; 584 585 for (i = 0; valid_ids[i] >= 0; ++i) 586 if (valid_ids[i] == id) 587 return TRUE; 588 return FALSE; 589 #else 590 return TRUE; 591 #endif 592 } 593 594 static char * 595 model_name(int model) 596 { 597 static struct { 598 int model_code; 599 char *model_name; 600 } models[] = { 601 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 602 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 603 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 604 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 605 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 606 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 607 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 608 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 609 { MOUSE_MODEL_4D, "4D Mouse" }, 610 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 611 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 612 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 613 { MOUSE_MODEL_UNKNOWN, NULL }, 614 }; 615 int i; 616 617 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) { 618 if (models[i].model_code == model) 619 return models[i].model_name; 620 } 621 return "Unknown"; 622 } 623 624 static void 625 recover_from_error(KBDC kbdc) 626 { 627 /* discard anything left in the output buffer */ 628 empty_both_buffers(kbdc, 10); 629 630 #if 0 631 /* 632 * NOTE: KBDC_RESET_KBD may not restore the communication between the 633 * keyboard and the controller. 634 */ 635 reset_kbd(kbdc); 636 #else 637 /* 638 * NOTE: somehow diagnostic and keyboard port test commands bring the 639 * keyboard back. 640 */ 641 if (!test_controller(kbdc)) 642 log(LOG_ERR, "psm: keyboard controller failed.\n"); 643 /* if there isn't a keyboard in the system, the following error is OK */ 644 if (test_kbd_port(kbdc) != 0) 645 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 646 #endif 647 } 648 649 static int 650 restore_controller(KBDC kbdc, int command_byte) 651 { 652 empty_both_buffers(kbdc, 10); 653 654 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 655 log(LOG_ERR, "psm: failed to restore the keyboard controller " 656 "command byte.\n"); 657 empty_both_buffers(kbdc, 10); 658 return FALSE; 659 } else { 660 empty_both_buffers(kbdc, 10); 661 return TRUE; 662 } 663 } 664 665 /* 666 * Re-initialize the aux port and device. The aux port must be enabled 667 * and its interrupt must be disabled before calling this routine. 668 * The aux device will be disabled before returning. 669 * The keyboard controller must be locked via `kbdc_lock()' before 670 * calling this routine. 671 */ 672 static int 673 doinitialize(struct psm_softc *sc, mousemode_t *mode) 674 { 675 KBDC kbdc = sc->kbdc; 676 int stat[3]; 677 int i; 678 679 switch((i = test_aux_port(kbdc))) { 680 case 1: /* ignore these errors */ 681 case 2: 682 case 3: 683 case PSM_ACK: 684 if (verbose) 685 log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n", 686 sc->unit, i); 687 /* FALLTHROUGH */ 688 case 0: /* no error */ 689 break; 690 case -1: /* time out */ 691 default: /* error */ 692 recover_from_error(kbdc); 693 if (sc->config & PSM_CONFIG_IGNPORTERROR) 694 break; 695 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 696 sc->unit, i); 697 return FALSE; 698 } 699 700 if (sc->config & PSM_CONFIG_NORESET) { 701 /* 702 * Don't try to reset the pointing device. It may possibly be 703 * left in the unknown state, though... 704 */ 705 } else { 706 /* 707 * NOTE: some controllers appears to hang the `keyboard' when 708 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 709 */ 710 if (!reset_aux_dev(kbdc)) { 711 recover_from_error(kbdc); 712 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", sc->unit); 713 return FALSE; 714 } 715 } 716 717 /* 718 * both the aux port and the aux device is functioning, see 719 * if the device can be enabled. 720 */ 721 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 722 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", sc->unit); 723 return FALSE; 724 } 725 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 726 727 if (sc->config & PSM_CONFIG_NOIDPROBE) { 728 i = GENERIC_MOUSE_ENTRY; 729 } else { 730 /* FIXME: hardware ID, mouse buttons? */ 731 732 /* other parameters */ 733 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 734 if ((*vendortype[i].probefunc)(sc)) { 735 if (verbose >= 2) 736 log(LOG_ERR, "psm%d: found %s\n", 737 sc->unit, model_name(vendortype[i].model)); 738 break; 739 } 740 } 741 } 742 743 sc->hw.model = vendortype[i].model; 744 sc->mode.packetsize = vendortype[i].packetsize; 745 746 /* set mouse parameters */ 747 if (mode != (mousemode_t *)NULL) { 748 if (mode->rate > 0) 749 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 750 if (mode->resolution >= 0) 751 mode->resolution = set_mouse_resolution(kbdc, mode->resolution); 752 set_mouse_scaling(kbdc, 1); 753 set_mouse_mode(kbdc); 754 } 755 756 /* Record sync on the next data packet we see. */ 757 sc->flags |= PSM_NEED_SYNCBITS; 758 759 /* just check the status of the mouse */ 760 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 761 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 762 sc->unit); 763 764 return TRUE; 765 } 766 767 static int 768 doopen(struct psm_softc *sc, int command_byte) 769 { 770 int stat[3]; 771 772 /* enable the mouse device */ 773 if (!enable_aux_dev(sc->kbdc)) { 774 /* MOUSE ERROR: failed to enable the mouse because: 775 * 1) the mouse is faulty, 776 * 2) the mouse has been removed(!?) 777 * In the latter case, the keyboard may have hung, and need 778 * recovery procedure... 779 */ 780 recover_from_error(sc->kbdc); 781 #if 0 782 /* FIXME: we could reset the mouse here and try to enable 783 * it again. But it will take long time and it's not a good 784 * idea to disable the keyboard that long... 785 */ 786 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 787 recover_from_error(sc->kbdc); 788 #else 789 { 790 #endif 791 restore_controller(sc->kbdc, command_byte); 792 /* mark this device is no longer available */ 793 sc->state &= ~PSM_VALID; 794 log(LOG_ERR, "psm%d: failed to enable the device (doopen).\n", 795 sc->unit); 796 return (EIO); 797 } 798 } 799 800 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 801 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", sc->unit); 802 803 /* enable the aux port and interrupt */ 804 if (!set_controller_command_byte(sc->kbdc, 805 kbdc_get_device_mask(sc->kbdc), 806 (command_byte & KBD_KBD_CONTROL_BITS) 807 | KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 808 /* CONTROLLER ERROR */ 809 disable_aux_dev(sc->kbdc); 810 restore_controller(sc->kbdc, command_byte); 811 log(LOG_ERR, "psm%d: failed to enable the aux interrupt (doopen).\n", 812 sc->unit); 813 return (EIO); 814 } 815 816 /* start the watchdog timer */ 817 sc->watchdog = FALSE; 818 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz*2); 819 820 return (0); 821 } 822 823 static int 824 reinitialize(struct psm_softc *sc, int doinit) 825 { 826 int err; 827 int c; 828 int s; 829 830 /* don't let anybody mess with the aux device */ 831 if (!kbdc_lock(sc->kbdc, TRUE)) 832 return (EIO); 833 s = spltty(); 834 835 /* block our watchdog timer */ 836 sc->watchdog = FALSE; 837 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 838 callout_handle_init(&sc->callout); 839 840 /* save the current controller command byte */ 841 empty_both_buffers(sc->kbdc, 10); 842 c = get_controller_command_byte(sc->kbdc); 843 VLOG(2, (LOG_DEBUG, "psm%d: current command byte: %04x (reinitialize).\n", 844 sc->unit, c)); 845 846 /* enable the aux port but disable the aux interrupt and the keyboard */ 847 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 848 kbdc_get_device_mask(sc->kbdc), 849 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 850 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 851 /* CONTROLLER ERROR */ 852 splx(s); 853 kbdc_lock(sc->kbdc, FALSE); 854 log(LOG_ERR, "psm%d: unable to set the command byte (reinitialize).\n", 855 sc->unit); 856 return (EIO); 857 } 858 859 /* flush any data */ 860 if (sc->state & PSM_VALID) { 861 disable_aux_dev(sc->kbdc); /* this may fail; but never mind... */ 862 empty_aux_buffer(sc->kbdc, 10); 863 } 864 flushpackets(sc); 865 sc->syncerrors = 0; 866 sc->pkterrors = 0; 867 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 868 869 /* try to detect the aux device; are you still there? */ 870 err = 0; 871 if (doinit) { 872 if (doinitialize(sc, &sc->mode)) { 873 /* yes */ 874 sc->state |= PSM_VALID; 875 } else { 876 /* the device has gone! */ 877 restore_controller(sc->kbdc, c); 878 sc->state &= ~PSM_VALID; 879 log(LOG_ERR, "psm%d: the aux device has gone! (reinitialize).\n", 880 sc->unit); 881 err = ENXIO; 882 } 883 } 884 splx(s); 885 886 /* restore the driver state */ 887 if ((sc->state & PSM_OPEN) && (err == 0)) { 888 /* enable the aux device and the port again */ 889 err = doopen(sc, c); 890 if (err != 0) 891 log(LOG_ERR, "psm%d: failed to enable the device (reinitialize).\n", 892 sc->unit); 893 } else { 894 /* restore the keyboard port and disable the aux port */ 895 if (!set_controller_command_byte(sc->kbdc, 896 kbdc_get_device_mask(sc->kbdc), 897 (c & KBD_KBD_CONTROL_BITS) 898 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 899 /* CONTROLLER ERROR */ 900 log(LOG_ERR, 901 "psm%d: failed to disable the aux port (reinitialize).\n", 902 sc->unit); 903 err = EIO; 904 } 905 } 906 907 kbdc_lock(sc->kbdc, FALSE); 908 return (err); 909 } 910 911 /* psm driver entry points */ 912 913 static void 914 psmidentify(driver_t *driver, device_t parent) 915 { 916 device_t psmc; 917 device_t psm; 918 u_long irq; 919 int unit; 920 921 unit = device_get_unit(parent); 922 923 /* always add at least one child */ 924 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 925 if (psm == NULL) 926 return; 927 928 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 929 if (irq > 0) 930 return; 931 932 /* 933 * If the PS/2 mouse device has already been reported by ACPI or 934 * PnP BIOS, obtain the IRQ resource from it. 935 * (See psmcpnp_attach() below.) 936 */ 937 psmc = device_find_child(device_get_parent(parent), 938 PSMCPNP_DRIVER_NAME, unit); 939 if (psmc == NULL) 940 return; 941 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 942 if (irq <= 0) 943 return; 944 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 945 } 946 947 #define endprobe(v) do { if (bootverbose) \ 948 --verbose; \ 949 kbdc_set_device_mask(sc->kbdc, mask); \ 950 kbdc_lock(sc->kbdc, FALSE); \ 951 return (v); \ 952 } while (0) 953 954 static int 955 psmprobe(device_t dev) 956 { 957 int unit = device_get_unit(dev); 958 struct psm_softc *sc = device_get_softc(dev); 959 int stat[3]; 960 int command_byte; 961 int mask; 962 int rid; 963 int i; 964 965 #if 0 966 kbdc_debug(TRUE); 967 #endif 968 969 /* see if IRQ is available */ 970 rid = KBDC_RID_AUX; 971 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 972 RF_SHAREABLE | RF_ACTIVE); 973 if (sc->intr == NULL) { 974 if (bootverbose) 975 device_printf(dev, "unable to allocate IRQ\n"); 976 return (ENXIO); 977 } 978 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 979 980 sc->unit = unit; 981 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 982 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 983 /* XXX: for backward compatibility */ 984 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 985 sc->config |= 986 #ifdef PSM_RESETAFTERSUSPEND 987 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 988 #else 989 PSM_CONFIG_HOOKRESUME; 990 #endif 991 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 992 sc->flags = 0; 993 if (bootverbose) 994 ++verbose; 995 996 device_set_desc(dev, "PS/2 Mouse"); 997 998 if (!kbdc_lock(sc->kbdc, TRUE)) { 999 printf("psm%d: unable to lock the controller.\n", unit); 1000 if (bootverbose) 1001 --verbose; 1002 return (ENXIO); 1003 } 1004 1005 /* 1006 * NOTE: two bits in the command byte controls the operation of the 1007 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1008 * port interrupt (IRQ 12) enable bit (bit 2). 1009 */ 1010 1011 /* discard anything left after the keyboard initialization */ 1012 empty_both_buffers(sc->kbdc, 10); 1013 1014 /* save the current command byte; it will be used later */ 1015 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1016 command_byte = get_controller_command_byte(sc->kbdc); 1017 if (verbose) 1018 printf("psm%d: current command byte:%04x\n", unit, command_byte); 1019 if (command_byte == -1) { 1020 /* CONTROLLER ERROR */ 1021 printf("psm%d: unable to get the current command byte value.\n", 1022 unit); 1023 endprobe(ENXIO); 1024 } 1025 1026 /* 1027 * disable the keyboard port while probing the aux port, which must be 1028 * enabled during this routine 1029 */ 1030 if (!set_controller_command_byte(sc->kbdc, 1031 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1032 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1033 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1034 /* 1035 * this is CONTROLLER ERROR; I don't know how to recover 1036 * from this error... 1037 */ 1038 restore_controller(sc->kbdc, command_byte); 1039 printf("psm%d: unable to set the command byte.\n", unit); 1040 endprobe(ENXIO); 1041 } 1042 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1043 1044 /* 1045 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1046 * port exists and is functioning. However, some controllers appears 1047 * to respond with zero even when the aux port doesn't exist. (It may 1048 * be that this is only the case when the controller DOES have the aux 1049 * port but the port is not wired on the motherboard.) The keyboard 1050 * controllers without the port, such as the original AT, are 1051 * supporsed to return with an error code or simply time out. In any 1052 * case, we have to continue probing the port even when the controller 1053 * passes this test. 1054 * 1055 * XXX: some controllers erroneously return the error code 1, 2 or 3 1056 * when it has the perfectly functional aux port. We have to ignore 1057 * this error code. Even if the controller HAS error with the aux 1058 * port, it will be detected later... 1059 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1060 */ 1061 switch ((i = test_aux_port(sc->kbdc))) { 1062 case 1: /* ignore these errors */ 1063 case 2: 1064 case 3: 1065 case PSM_ACK: 1066 if (verbose) 1067 printf("psm%d: strange result for test aux port (%d).\n", 1068 unit, i); 1069 /* FALLTHROUGH */ 1070 case 0: /* no error */ 1071 break; 1072 case -1: /* time out */ 1073 default: /* error */ 1074 recover_from_error(sc->kbdc); 1075 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1076 break; 1077 restore_controller(sc->kbdc, command_byte); 1078 if (verbose) 1079 printf("psm%d: the aux port is not functioning (%d).\n", 1080 unit, i); 1081 endprobe(ENXIO); 1082 } 1083 1084 if (sc->config & PSM_CONFIG_NORESET) { 1085 /* 1086 * Don't try to reset the pointing device. It may possibly be 1087 * left in the unknown state, though... 1088 */ 1089 } else { 1090 /* 1091 * NOTE: some controllers appears to hang the `keyboard' when the aux 1092 * port doesn't exist and `PSMC_RESET_DEV' is issued. 1093 * 1094 * Attempt to reset the controller twice -- this helps 1095 * pierce through some KVM switches. The second reset 1096 * is non-fatal. 1097 */ 1098 if (!reset_aux_dev(sc->kbdc)) { 1099 recover_from_error(sc->kbdc); 1100 restore_controller(sc->kbdc, command_byte); 1101 if (verbose) 1102 printf("psm%d: failed to reset the aux device.\n", unit); 1103 endprobe(ENXIO); 1104 } else if (!reset_aux_dev(sc->kbdc)) { 1105 recover_from_error(sc->kbdc); 1106 if (verbose >= 2) 1107 printf("psm%d: failed to reset the aux device (2).\n", 1108 unit); 1109 } 1110 } 1111 1112 /* 1113 * both the aux port and the aux device is functioning, see if the 1114 * device can be enabled. NOTE: when enabled, the device will start 1115 * sending data; we shall immediately disable the device once we know 1116 * the device can be enabled. 1117 */ 1118 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1119 /* MOUSE ERROR */ 1120 recover_from_error(sc->kbdc); 1121 restore_controller(sc->kbdc, command_byte); 1122 if (verbose) 1123 printf("psm%d: failed to enable the aux device.\n", unit); 1124 endprobe(ENXIO); 1125 } 1126 1127 /* save the default values after reset */ 1128 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1129 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1130 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1131 } else { 1132 sc->dflt_mode.rate = sc->mode.rate = -1; 1133 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1134 } 1135 1136 /* hardware information */ 1137 sc->hw.iftype = MOUSE_IF_PS2; 1138 1139 /* verify the device is a mouse */ 1140 sc->hw.hwid = get_aux_id(sc->kbdc); 1141 if (!is_a_mouse(sc->hw.hwid)) { 1142 restore_controller(sc->kbdc, command_byte); 1143 if (verbose) 1144 printf("psm%d: unknown device type (%d).\n", unit, sc->hw.hwid); 1145 endprobe(ENXIO); 1146 } 1147 switch (sc->hw.hwid) { 1148 case PSM_BALLPOINT_ID: 1149 sc->hw.type = MOUSE_TRACKBALL; 1150 break; 1151 case PSM_MOUSE_ID: 1152 case PSM_INTELLI_ID: 1153 case PSM_EXPLORER_ID: 1154 case PSM_4DMOUSE_ID: 1155 case PSM_4DPLUS_ID: 1156 sc->hw.type = MOUSE_MOUSE; 1157 break; 1158 default: 1159 sc->hw.type = MOUSE_UNKNOWN; 1160 break; 1161 } 1162 1163 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1164 sc->hw.buttons = 2; 1165 i = GENERIC_MOUSE_ENTRY; 1166 } else { 1167 /* # of buttons */ 1168 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1169 1170 /* other parameters */ 1171 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 1172 if ((*vendortype[i].probefunc)(sc)) { 1173 if (verbose >= 2) 1174 printf("psm%d: found %s\n", 1175 unit, model_name(vendortype[i].model)); 1176 break; 1177 } 1178 } 1179 } 1180 1181 sc->hw.model = vendortype[i].model; 1182 1183 sc->dflt_mode.level = PSM_LEVEL_BASE; 1184 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1185 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1186 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1187 sc->dflt_mode.syncmask[0] = 0; 1188 else 1189 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1190 if (sc->config & PSM_CONFIG_FORCETAP) 1191 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1192 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1193 sc->mode = sc->dflt_mode; 1194 sc->mode.packetsize = vendortype[i].packetsize; 1195 1196 /* set mouse parameters */ 1197 #if 0 1198 /* 1199 * A version of Logitech FirstMouse+ won't report wheel movement, 1200 * if SET_DEFAULTS is sent... Don't use this command. 1201 * This fix was found by Takashi Nishida. 1202 */ 1203 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1204 if (verbose >= 2) 1205 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1206 #endif 1207 if (sc->config & PSM_CONFIG_RESOLUTION) { 1208 sc->mode.resolution 1209 = set_mouse_resolution(sc->kbdc, 1210 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1211 } else if (sc->mode.resolution >= 0) { 1212 sc->mode.resolution 1213 = set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1214 } 1215 if (sc->mode.rate > 0) { 1216 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1217 } 1218 set_mouse_scaling(sc->kbdc, 1); 1219 1220 /* Record sync on the next data packet we see. */ 1221 sc->flags |= PSM_NEED_SYNCBITS; 1222 1223 /* just check the status of the mouse */ 1224 /* 1225 * NOTE: XXX there are some arcane controller/mouse combinations out 1226 * there, which hung the controller unless there is data transmission 1227 * after ACK from the mouse. 1228 */ 1229 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) { 1230 printf("psm%d: failed to get status.\n", unit); 1231 } else { 1232 /* 1233 * When in its native mode, some mice operate with different 1234 * default parameters than in the PS/2 compatible mode. 1235 */ 1236 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1237 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1238 } 1239 1240 /* disable the aux port for now... */ 1241 if (!set_controller_command_byte(sc->kbdc, 1242 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1243 (command_byte & KBD_KBD_CONTROL_BITS) 1244 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1245 /* 1246 * this is CONTROLLER ERROR; I don't know the proper way to 1247 * recover from this error... 1248 */ 1249 restore_controller(sc->kbdc, command_byte); 1250 printf("psm%d: unable to set the command byte.\n", unit); 1251 endprobe(ENXIO); 1252 } 1253 1254 /* done */ 1255 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1256 kbdc_lock(sc->kbdc, FALSE); 1257 return (0); 1258 } 1259 1260 static int 1261 psmattach(device_t dev) 1262 { 1263 int unit = device_get_unit(dev); 1264 struct psm_softc *sc = device_get_softc(dev); 1265 int error; 1266 int rid; 1267 1268 /* Setup initial state */ 1269 sc->state = PSM_VALID; 1270 callout_handle_init(&sc->callout); 1271 1272 /* Setup our interrupt handler */ 1273 rid = KBDC_RID_AUX; 1274 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1275 RF_SHAREABLE | RF_ACTIVE); 1276 if (sc->intr == NULL) 1277 return (ENXIO); 1278 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, psmintr, sc, &sc->ih); 1279 if (error) { 1280 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1281 return (error); 1282 } 1283 1284 /* Done */ 1285 sc->dev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, 1286 "psm%d", unit); 1287 sc->bdev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, 1288 "bpsm%d", unit); 1289 1290 if (!verbose) { 1291 printf("psm%d: model %s, device ID %d\n", 1292 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1293 } else { 1294 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1295 unit, model_name(sc->hw.model), 1296 sc->hw.hwid & 0x00ff, sc->hw.hwid >> 8, sc->hw.buttons); 1297 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1298 unit, sc->config, sc->flags, sc->mode.packetsize); 1299 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1300 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1301 } 1302 1303 if (bootverbose) 1304 --verbose; 1305 1306 return (0); 1307 } 1308 1309 static int 1310 psmdetach(device_t dev) 1311 { 1312 struct psm_softc *sc; 1313 int rid; 1314 1315 sc = device_get_softc(dev); 1316 if (sc->state & PSM_OPEN) 1317 return EBUSY; 1318 1319 rid = KBDC_RID_AUX; 1320 bus_teardown_intr(dev, sc->intr, sc->ih); 1321 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1322 1323 destroy_dev(sc->dev); 1324 destroy_dev(sc->bdev); 1325 1326 return 0; 1327 } 1328 1329 static int 1330 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1331 { 1332 int unit = PSM_UNIT(dev); 1333 struct psm_softc *sc; 1334 int command_byte; 1335 int err; 1336 int s; 1337 1338 /* Get device data */ 1339 sc = PSM_SOFTC(unit); 1340 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) 1341 /* the device is no longer valid/functioning */ 1342 return (ENXIO); 1343 1344 /* Disallow multiple opens */ 1345 if (sc->state & PSM_OPEN) 1346 return (EBUSY); 1347 1348 device_busy(devclass_get_device(psm_devclass, unit)); 1349 1350 /* Initialize state */ 1351 sc->mode.level = sc->dflt_mode.level; 1352 sc->mode.protocol = sc->dflt_mode.protocol; 1353 sc->watchdog = FALSE; 1354 1355 /* flush the event queue */ 1356 sc->queue.count = 0; 1357 sc->queue.head = 0; 1358 sc->queue.tail = 0; 1359 sc->status.flags = 0; 1360 sc->status.button = 0; 1361 sc->status.obutton = 0; 1362 sc->status.dx = 0; 1363 sc->status.dy = 0; 1364 sc->status.dz = 0; 1365 sc->button = 0; 1366 sc->pqueue_start = 0; 1367 sc->pqueue_end = 0; 1368 1369 /* empty input buffer */ 1370 flushpackets(sc); 1371 sc->syncerrors = 0; 1372 sc->pkterrors = 0; 1373 1374 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1375 if (!kbdc_lock(sc->kbdc, TRUE)) 1376 return (EIO); 1377 1378 /* save the current controller command byte */ 1379 s = spltty(); 1380 command_byte = get_controller_command_byte(sc->kbdc); 1381 1382 /* enable the aux port and temporalily disable the keyboard */ 1383 if ((command_byte == -1) 1384 || !set_controller_command_byte(sc->kbdc, 1385 kbdc_get_device_mask(sc->kbdc), 1386 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1387 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1388 /* CONTROLLER ERROR; do you know how to get out of this? */ 1389 kbdc_lock(sc->kbdc, FALSE); 1390 splx(s); 1391 log(LOG_ERR, "psm%d: unable to set the command byte (psmopen).\n", 1392 unit); 1393 return (EIO); 1394 } 1395 /* 1396 * Now that the keyboard controller is told not to generate 1397 * the keyboard and mouse interrupts, call `splx()' to allow 1398 * the other tty interrupts. The clock interrupt may also occur, 1399 * but timeout routines will be blocked by the poll flag set 1400 * via `kbdc_lock()' 1401 */ 1402 splx(s); 1403 1404 /* enable the mouse device */ 1405 err = doopen(sc, command_byte); 1406 1407 /* done */ 1408 if (err == 0) 1409 sc->state |= PSM_OPEN; 1410 kbdc_lock(sc->kbdc, FALSE); 1411 return (err); 1412 } 1413 1414 static int 1415 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1416 { 1417 int unit = PSM_UNIT(dev); 1418 struct psm_softc *sc = PSM_SOFTC(unit); 1419 int stat[3]; 1420 int command_byte; 1421 int s; 1422 1423 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1424 if (!kbdc_lock(sc->kbdc, TRUE)) 1425 return (EIO); 1426 1427 /* save the current controller command byte */ 1428 s = spltty(); 1429 command_byte = get_controller_command_byte(sc->kbdc); 1430 if (command_byte == -1) { 1431 kbdc_lock(sc->kbdc, FALSE); 1432 splx(s); 1433 return (EIO); 1434 } 1435 1436 /* disable the aux interrupt and temporalily disable the keyboard */ 1437 if (!set_controller_command_byte(sc->kbdc, 1438 kbdc_get_device_mask(sc->kbdc), 1439 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1440 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1441 log(LOG_ERR, "psm%d: failed to disable the aux int (psmclose).\n", 1442 unit); 1443 /* CONTROLLER ERROR; 1444 * NOTE: we shall force our way through. Because the only 1445 * ill effect we shall see is that we may not be able 1446 * to read ACK from the mouse, and it doesn't matter much 1447 * so long as the mouse will accept the DISABLE command. 1448 */ 1449 } 1450 splx(s); 1451 1452 /* stop the watchdog timer */ 1453 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 1454 callout_handle_init(&sc->callout); 1455 1456 /* remove anything left in the output buffer */ 1457 empty_aux_buffer(sc->kbdc, 10); 1458 1459 /* disable the aux device, port and interrupt */ 1460 if (sc->state & PSM_VALID) { 1461 if (!disable_aux_dev(sc->kbdc)) { 1462 /* MOUSE ERROR; 1463 * NOTE: we don't return error and continue, pretending 1464 * we have successfully disabled the device. It's OK because 1465 * the interrupt routine will discard any data from the mouse 1466 * hereafter. 1467 */ 1468 log(LOG_ERR, "psm%d: failed to disable the device (psmclose).\n", 1469 unit); 1470 } 1471 1472 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1473 log(LOG_DEBUG, "psm%d: failed to get status (psmclose).\n", unit); 1474 } 1475 1476 if (!set_controller_command_byte(sc->kbdc, 1477 kbdc_get_device_mask(sc->kbdc), 1478 (command_byte & KBD_KBD_CONTROL_BITS) 1479 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1480 /* CONTROLLER ERROR; 1481 * we shall ignore this error; see the above comment. 1482 */ 1483 log(LOG_ERR, "psm%d: failed to disable the aux port (psmclose).\n", 1484 unit); 1485 } 1486 1487 /* remove anything left in the output buffer */ 1488 empty_aux_buffer(sc->kbdc, 10); 1489 1490 /* close is almost always successful */ 1491 sc->state &= ~PSM_OPEN; 1492 kbdc_lock(sc->kbdc, FALSE); 1493 device_unbusy(devclass_get_device(psm_devclass, unit)); 1494 return (0); 1495 } 1496 1497 static int 1498 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, unsigned char *buf) 1499 { 1500 static unsigned char butmapps2[8] = { 1501 0, 1502 MOUSE_PS2_BUTTON1DOWN, 1503 MOUSE_PS2_BUTTON2DOWN, 1504 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1505 MOUSE_PS2_BUTTON3DOWN, 1506 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1507 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1508 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1509 }; 1510 static unsigned char butmapmsc[8] = { 1511 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1512 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1513 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1514 MOUSE_MSC_BUTTON3UP, 1515 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1516 MOUSE_MSC_BUTTON2UP, 1517 MOUSE_MSC_BUTTON1UP, 1518 0, 1519 }; 1520 int mapped; 1521 int i; 1522 1523 if (sc->mode.level == PSM_LEVEL_BASE) { 1524 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1525 if (status->button & MOUSE_BUTTON4DOWN) 1526 mapped |= MOUSE_BUTTON1DOWN; 1527 status->button = mapped; 1528 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1529 i = imax(imin(status->dx, 255), -256); 1530 if (i < 0) 1531 buf[0] |= MOUSE_PS2_XNEG; 1532 buf[1] = i; 1533 i = imax(imin(status->dy, 255), -256); 1534 if (i < 0) 1535 buf[0] |= MOUSE_PS2_YNEG; 1536 buf[2] = i; 1537 return MOUSE_PS2_PACKETSIZE; 1538 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1539 buf[0] = MOUSE_MSC_SYNC | butmapmsc[status->button & MOUSE_STDBUTTONS]; 1540 i = imax(imin(status->dx, 255), -256); 1541 buf[1] = i >> 1; 1542 buf[3] = i - buf[1]; 1543 i = imax(imin(status->dy, 255), -256); 1544 buf[2] = i >> 1; 1545 buf[4] = i - buf[2]; 1546 i = imax(imin(status->dz, 127), -128); 1547 buf[5] = (i >> 1) & 0x7f; 1548 buf[6] = (i - (i >> 1)) & 0x7f; 1549 buf[7] = (~status->button >> 3) & 0x7f; 1550 return MOUSE_SYS_PACKETSIZE; 1551 } 1552 return pb->inputbytes; 1553 } 1554 1555 static int 1556 psmread(struct cdev *dev, struct uio *uio, int flag) 1557 { 1558 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1559 unsigned char buf[PSM_SMALLBUFSIZE]; 1560 int error = 0; 1561 int s; 1562 int l; 1563 1564 if ((sc->state & PSM_VALID) == 0) 1565 return EIO; 1566 1567 /* block until mouse activity occured */ 1568 s = spltty(); 1569 while (sc->queue.count <= 0) { 1570 if (PSM_NBLOCKIO(dev)) { 1571 splx(s); 1572 return EWOULDBLOCK; 1573 } 1574 sc->state |= PSM_ASLP; 1575 error = tsleep( sc, PZERO | PCATCH, "psmrea", 0); 1576 sc->state &= ~PSM_ASLP; 1577 if (error) { 1578 splx(s); 1579 return error; 1580 } else if ((sc->state & PSM_VALID) == 0) { 1581 /* the device disappeared! */ 1582 splx(s); 1583 return EIO; 1584 } 1585 } 1586 splx(s); 1587 1588 /* copy data to the user land */ 1589 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1590 s = spltty(); 1591 l = imin(sc->queue.count, uio->uio_resid); 1592 if (l > sizeof(buf)) 1593 l = sizeof(buf); 1594 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1595 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1596 sizeof(sc->queue.buf) - sc->queue.head); 1597 bcopy(&sc->queue.buf[0], 1598 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1599 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1600 } else { 1601 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1602 } 1603 sc->queue.count -= l; 1604 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1605 splx(s); 1606 error = uiomove(buf, l, uio); 1607 if (error) 1608 break; 1609 } 1610 1611 return error; 1612 } 1613 1614 static int 1615 block_mouse_data(struct psm_softc *sc, int *c) 1616 { 1617 int s; 1618 1619 if (!kbdc_lock(sc->kbdc, TRUE)) 1620 return EIO; 1621 1622 s = spltty(); 1623 *c = get_controller_command_byte(sc->kbdc); 1624 if ((*c == -1) 1625 || !set_controller_command_byte(sc->kbdc, 1626 kbdc_get_device_mask(sc->kbdc), 1627 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1628 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1629 /* this is CONTROLLER ERROR */ 1630 splx(s); 1631 kbdc_lock(sc->kbdc, FALSE); 1632 return EIO; 1633 } 1634 1635 /* 1636 * The device may be in the middle of status data transmission. 1637 * The transmission will be interrupted, thus, incomplete status 1638 * data must be discarded. Although the aux interrupt is disabled 1639 * at the keyboard controller level, at most one aux interrupt 1640 * may have already been pending and a data byte is in the 1641 * output buffer; throw it away. Note that the second argument 1642 * to `empty_aux_buffer()' is zero, so that the call will just 1643 * flush the internal queue. 1644 * `psmintr()' will be invoked after `splx()' if an interrupt is 1645 * pending; it will see no data and returns immediately. 1646 */ 1647 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1648 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1649 flushpackets(sc); 1650 splx(s); 1651 1652 return 0; 1653 } 1654 1655 static void 1656 dropqueue(struct psm_softc *sc) 1657 { 1658 1659 sc->queue.count = 0; 1660 sc->queue.head = 0; 1661 sc->queue.tail = 0; 1662 if ((sc->state & PSM_SOFTARMED) != 0) { 1663 sc->state &= ~PSM_SOFTARMED; 1664 untimeout(psmsoftintr, (void *)(uintptr_t)sc, sc->softcallout); 1665 } 1666 sc->pqueue_start = sc->pqueue_end; 1667 } 1668 1669 static void 1670 flushpackets(struct psm_softc *sc) 1671 { 1672 1673 dropqueue(sc); 1674 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1675 } 1676 1677 static int 1678 unblock_mouse_data(struct psm_softc *sc, int c) 1679 { 1680 int error = 0; 1681 1682 /* 1683 * We may have seen a part of status data during `set_mouse_XXX()'. 1684 * they have been queued; flush it. 1685 */ 1686 empty_aux_buffer(sc->kbdc, 0); 1687 1688 /* restore ports and interrupt */ 1689 if (!set_controller_command_byte(sc->kbdc, 1690 kbdc_get_device_mask(sc->kbdc), 1691 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1692 /* CONTROLLER ERROR; this is serious, we may have 1693 * been left with the inaccessible keyboard and 1694 * the disabled mouse interrupt. 1695 */ 1696 error = EIO; 1697 } 1698 1699 kbdc_lock(sc->kbdc, FALSE); 1700 return error; 1701 } 1702 1703 static int 1704 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td) 1705 { 1706 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1707 mousemode_t mode; 1708 mousestatus_t status; 1709 #if (defined(MOUSE_GETVARS)) 1710 mousevar_t *var; 1711 #endif 1712 mousedata_t *data; 1713 int stat[3]; 1714 int command_byte; 1715 int error = 0; 1716 int s; 1717 1718 /* Perform IOCTL command */ 1719 switch (cmd) { 1720 1721 case OLD_MOUSE_GETHWINFO: 1722 s = spltty(); 1723 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1724 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1725 ((old_mousehw_t *)addr)->type = sc->hw.type; 1726 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1727 splx(s); 1728 break; 1729 1730 case MOUSE_GETHWINFO: 1731 s = spltty(); 1732 *(mousehw_t *)addr = sc->hw; 1733 if (sc->mode.level == PSM_LEVEL_BASE) 1734 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1735 splx(s); 1736 break; 1737 1738 case MOUSE_SYN_GETHWINFO: 1739 s = spltty(); 1740 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1741 *(synapticshw_t *)addr = sc->synhw; 1742 else 1743 error = EINVAL; 1744 splx(s); 1745 break; 1746 1747 case OLD_MOUSE_GETMODE: 1748 s = spltty(); 1749 switch (sc->mode.level) { 1750 case PSM_LEVEL_BASE: 1751 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1752 break; 1753 case PSM_LEVEL_STANDARD: 1754 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1755 break; 1756 case PSM_LEVEL_NATIVE: 1757 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1758 break; 1759 } 1760 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1761 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1762 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1763 splx(s); 1764 break; 1765 1766 case MOUSE_GETMODE: 1767 s = spltty(); 1768 *(mousemode_t *)addr = sc->mode; 1769 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1770 ((mousemode_t *)addr)->syncmask[0] = 0; 1771 ((mousemode_t *)addr)->syncmask[1] = 0; 1772 } 1773 ((mousemode_t *)addr)->resolution = 1774 MOUSE_RES_LOW - sc->mode.resolution; 1775 switch (sc->mode.level) { 1776 case PSM_LEVEL_BASE: 1777 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1778 ((mousemode_t *)addr)->packetsize = MOUSE_PS2_PACKETSIZE; 1779 break; 1780 case PSM_LEVEL_STANDARD: 1781 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1782 ((mousemode_t *)addr)->packetsize = MOUSE_SYS_PACKETSIZE; 1783 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1784 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1785 break; 1786 case PSM_LEVEL_NATIVE: 1787 /* FIXME: this isn't quite correct... XXX */ 1788 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1789 break; 1790 } 1791 splx(s); 1792 break; 1793 1794 case OLD_MOUSE_SETMODE: 1795 case MOUSE_SETMODE: 1796 if (cmd == OLD_MOUSE_SETMODE) { 1797 mode.rate = ((old_mousemode_t *)addr)->rate; 1798 /* 1799 * resolution old I/F new I/F 1800 * default 0 0 1801 * low 1 -2 1802 * medium low 2 -3 1803 * medium high 3 -4 1804 * high 4 -5 1805 */ 1806 if (((old_mousemode_t *)addr)->resolution > 0) 1807 mode.resolution = -((old_mousemode_t *)addr)->resolution - 1; 1808 mode.accelfactor = ((old_mousemode_t *)addr)->accelfactor; 1809 mode.level = -1; 1810 } else { 1811 mode = *(mousemode_t *)addr; 1812 } 1813 1814 /* adjust and validate parameters. */ 1815 if (mode.rate > UCHAR_MAX) 1816 return EINVAL; 1817 if (mode.rate == 0) 1818 mode.rate = sc->dflt_mode.rate; 1819 else if (mode.rate == -1) 1820 /* don't change the current setting */ 1821 ; 1822 else if (mode.rate < 0) 1823 return EINVAL; 1824 if (mode.resolution >= UCHAR_MAX) 1825 return EINVAL; 1826 if (mode.resolution >= 200) 1827 mode.resolution = MOUSE_RES_HIGH; 1828 else if (mode.resolution >= 100) 1829 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1830 else if (mode.resolution >= 50) 1831 mode.resolution = MOUSE_RES_MEDIUMLOW; 1832 else if (mode.resolution > 0) 1833 mode.resolution = MOUSE_RES_LOW; 1834 if (mode.resolution == MOUSE_RES_DEFAULT) 1835 mode.resolution = sc->dflt_mode.resolution; 1836 else if (mode.resolution == -1) 1837 /* don't change the current setting */ 1838 ; 1839 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1840 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1841 if (mode.level == -1) 1842 /* don't change the current setting */ 1843 mode.level = sc->mode.level; 1844 else if ((mode.level < PSM_LEVEL_MIN) || (mode.level > PSM_LEVEL_MAX)) 1845 return EINVAL; 1846 if (mode.accelfactor == -1) 1847 /* don't change the current setting */ 1848 mode.accelfactor = sc->mode.accelfactor; 1849 else if (mode.accelfactor < 0) 1850 return EINVAL; 1851 1852 /* don't allow anybody to poll the keyboard controller */ 1853 error = block_mouse_data(sc, &command_byte); 1854 if (error) 1855 return error; 1856 1857 /* set mouse parameters */ 1858 if (mode.rate > 0) 1859 mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1860 if (mode.resolution >= 0) 1861 mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1862 set_mouse_scaling(sc->kbdc, 1); 1863 get_mouse_status(sc->kbdc, stat, 0, 3); 1864 1865 s = spltty(); 1866 sc->mode.rate = mode.rate; 1867 sc->mode.resolution = mode.resolution; 1868 sc->mode.accelfactor = mode.accelfactor; 1869 sc->mode.level = mode.level; 1870 splx(s); 1871 1872 unblock_mouse_data(sc, command_byte); 1873 break; 1874 1875 case MOUSE_GETLEVEL: 1876 *(int *)addr = sc->mode.level; 1877 break; 1878 1879 case MOUSE_SETLEVEL: 1880 if ((*(int *)addr < PSM_LEVEL_MIN) || (*(int *)addr > PSM_LEVEL_MAX)) 1881 return EINVAL; 1882 sc->mode.level = *(int *)addr; 1883 break; 1884 1885 case MOUSE_GETSTATUS: 1886 s = spltty(); 1887 status = sc->status; 1888 sc->status.flags = 0; 1889 sc->status.obutton = sc->status.button; 1890 sc->status.button = 0; 1891 sc->status.dx = 0; 1892 sc->status.dy = 0; 1893 sc->status.dz = 0; 1894 splx(s); 1895 *(mousestatus_t *)addr = status; 1896 break; 1897 1898 #if (defined(MOUSE_GETVARS)) 1899 case MOUSE_GETVARS: 1900 var = (mousevar_t *)addr; 1901 bzero(var, sizeof(*var)); 1902 s = spltty(); 1903 var->var[0] = MOUSE_VARS_PS2_SIG; 1904 var->var[1] = sc->config; 1905 var->var[2] = sc->flags; 1906 splx(s); 1907 break; 1908 1909 case MOUSE_SETVARS: 1910 return ENODEV; 1911 #endif /* MOUSE_GETVARS */ 1912 1913 case MOUSE_READSTATE: 1914 case MOUSE_READDATA: 1915 data = (mousedata_t *)addr; 1916 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 1917 return EINVAL; 1918 1919 error = block_mouse_data(sc, &command_byte); 1920 if (error) 1921 return error; 1922 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 1923 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 1924 error = EIO; 1925 unblock_mouse_data(sc, command_byte); 1926 break; 1927 1928 #if (defined(MOUSE_SETRESOLUTION)) 1929 case MOUSE_SETRESOLUTION: 1930 mode.resolution = *(int *)addr; 1931 if (mode.resolution >= UCHAR_MAX) 1932 return EINVAL; 1933 else if (mode.resolution >= 200) 1934 mode.resolution = MOUSE_RES_HIGH; 1935 else if (mode.resolution >= 100) 1936 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1937 else if (mode.resolution >= 50) 1938 mode.resolution = MOUSE_RES_MEDIUMLOW; 1939 else if (mode.resolution > 0) 1940 mode.resolution = MOUSE_RES_LOW; 1941 if (mode.resolution == MOUSE_RES_DEFAULT) 1942 mode.resolution = sc->dflt_mode.resolution; 1943 else if (mode.resolution == -1) 1944 mode.resolution = sc->mode.resolution; 1945 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1946 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1947 1948 error = block_mouse_data(sc, &command_byte); 1949 if (error) 1950 return error; 1951 sc->mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1952 if (sc->mode.resolution != mode.resolution) 1953 error = EIO; 1954 unblock_mouse_data(sc, command_byte); 1955 break; 1956 #endif /* MOUSE_SETRESOLUTION */ 1957 1958 #if (defined(MOUSE_SETRATE)) 1959 case MOUSE_SETRATE: 1960 mode.rate = *(int *)addr; 1961 if (mode.rate > UCHAR_MAX) 1962 return EINVAL; 1963 if (mode.rate == 0) 1964 mode.rate = sc->dflt_mode.rate; 1965 else if (mode.rate < 0) 1966 mode.rate = sc->mode.rate; 1967 1968 error = block_mouse_data(sc, &command_byte); 1969 if (error) 1970 return error; 1971 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1972 if (sc->mode.rate != mode.rate) 1973 error = EIO; 1974 unblock_mouse_data(sc, command_byte); 1975 break; 1976 #endif /* MOUSE_SETRATE */ 1977 1978 #if (defined(MOUSE_SETSCALING)) 1979 case MOUSE_SETSCALING: 1980 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 1981 return EINVAL; 1982 1983 error = block_mouse_data(sc, &command_byte); 1984 if (error) 1985 return error; 1986 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 1987 error = EIO; 1988 unblock_mouse_data(sc, command_byte); 1989 break; 1990 #endif /* MOUSE_SETSCALING */ 1991 1992 #if (defined(MOUSE_GETHWID)) 1993 case MOUSE_GETHWID: 1994 error = block_mouse_data(sc, &command_byte); 1995 if (error) 1996 return error; 1997 sc->hw.hwid &= ~0x00ff; 1998 sc->hw.hwid |= get_aux_id(sc->kbdc); 1999 *(int *)addr = sc->hw.hwid & 0x00ff; 2000 unblock_mouse_data(sc, command_byte); 2001 break; 2002 #endif /* MOUSE_GETHWID */ 2003 2004 default: 2005 return ENOTTY; 2006 } 2007 2008 return error; 2009 } 2010 2011 static void 2012 psmtimeout(void *arg) 2013 { 2014 struct psm_softc *sc; 2015 int s; 2016 2017 sc = (struct psm_softc *)arg; 2018 s = spltty(); 2019 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2020 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2021 psmintr(sc); 2022 kbdc_lock(sc->kbdc, FALSE); 2023 } 2024 sc->watchdog = TRUE; 2025 splx(s); 2026 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz); 2027 } 2028 2029 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2030 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2031 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2032 2033 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, ""); 2034 2035 static int psmhz = 20; 2036 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, ""); 2037 static int psmerrsecs = 2; 2038 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, ""); 2039 static int psmerrusecs = 0; 2040 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, ""); 2041 static int psmsecs = 0; 2042 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, ""); 2043 static int psmusecs = 500000; 2044 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, ""); 2045 static int pkterrthresh = 2; 2046 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, ""); 2047 2048 static int tap_threshold = PSM_TAP_THRESHOLD; 2049 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, ""); 2050 static int tap_timeout = PSM_TAP_TIMEOUT; 2051 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, ""); 2052 2053 static void 2054 psmintr(void *arg) 2055 { 2056 struct psm_softc *sc = arg; 2057 struct timeval now; 2058 int c; 2059 packetbuf_t *pb; 2060 2061 2062 /* read until there is nothing to read */ 2063 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2064 2065 pb = &sc->pqueue[sc->pqueue_end]; 2066 /* discard the byte if the device is not open */ 2067 if ((sc->state & PSM_OPEN) == 0) 2068 continue; 2069 2070 getmicrouptime(&now); 2071 if ((pb->inputbytes > 0) && timevalcmp(&now, &sc->inputtimeout, >)) { 2072 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2073 "resetting byte count\n")); 2074 pb->inputbytes = 0; 2075 sc->syncerrors = 0; 2076 sc->pkterrors = 0; 2077 } 2078 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT/1000000; 2079 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT%1000000; 2080 timevaladd(&sc->inputtimeout, &now); 2081 2082 pb->ipacket[pb->inputbytes++] = c; 2083 if (pb->inputbytes < sc->mode.packetsize) 2084 continue; 2085 2086 VLOG(4, (LOG_DEBUG, "psmintr: %02x %02x %02x %02x %02x %02x\n", 2087 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2088 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2089 2090 c = pb->ipacket[0]; 2091 2092 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2093 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2094 sc->flags &= ~PSM_NEED_SYNCBITS; 2095 VLOG(2, (LOG_DEBUG, "psmintr: Sync bytes now %04x,%04x\n", 2096 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2097 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2098 VLOG(3, (LOG_DEBUG, "psmintr: out of sync (%04x != %04x) %d" 2099 " cmds since last error.\n", 2100 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2101 sc->cmdcount - sc->lasterr)); 2102 sc->lasterr = sc->cmdcount; 2103 /* 2104 * The sync byte test is a weak measure of packet 2105 * validity. Conservatively discard any input yet 2106 * to be seen by userland when we detect a sync 2107 * error since there is a good chance some of 2108 * the queued packets have undetected errors. 2109 */ 2110 dropqueue(sc); 2111 if (sc->syncerrors == 0) 2112 sc->pkterrors++; 2113 ++sc->syncerrors; 2114 sc->lastinputerr = now; 2115 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2116 sc->pkterrors >= pkterrthresh) { 2117 2118 /* 2119 * If we've failed to find a single sync byte in 2 2120 * packets worth of data, or we've seen persistent 2121 * packet errors during the validation period, 2122 * reinitialize the mouse in hopes of returning it 2123 * to the expected mode. 2124 */ 2125 VLOG(3, (LOG_DEBUG, "psmintr: reset the mouse.\n")); 2126 reinitialize(sc, TRUE); 2127 } else if (sc->syncerrors == sc->mode.packetsize) { 2128 2129 /* 2130 * Try a soft reset after searching for a sync 2131 * byte through a packet length of bytes. 2132 */ 2133 VLOG(3, (LOG_DEBUG, "psmintr: re-enable the mouse.\n")); 2134 pb->inputbytes = 0; 2135 disable_aux_dev(sc->kbdc); 2136 enable_aux_dev(sc->kbdc); 2137 } else { 2138 VLOG(3, (LOG_DEBUG, "psmintr: discard a byte (%d)\n", 2139 sc->syncerrors)); 2140 pb->inputbytes--; 2141 bcopy(&pb->ipacket[1], &pb->ipacket[0], pb->inputbytes); 2142 } 2143 continue; 2144 } 2145 2146 /* 2147 * We have what appears to be a valid packet. 2148 * Reset the error counters. 2149 */ 2150 sc->syncerrors = 0; 2151 2152 /* 2153 * Drop even good packets if they occur within a timeout 2154 * period of a sync error. This allows the detection of 2155 * a change in the mouse's packet mode without exposing 2156 * erratic mouse behavior to the user. Some KVMs forget 2157 * enhanced mouse modes during switch events. 2158 */ 2159 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, &now)) { 2160 pb->inputbytes = 0; 2161 continue; 2162 } 2163 2164 /* 2165 * Now that we're out of the validation period, reset 2166 * the packet error count. 2167 */ 2168 sc->pkterrors = 0; 2169 2170 sc->cmdcount++; 2171 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2172 sc->pqueue_end = 0; 2173 /* 2174 * If we've filled the queue then call the softintr ourselves, 2175 * otherwise schedule the interrupt for later. 2176 */ 2177 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2178 (sc->pqueue_end == sc->pqueue_start)) { 2179 if ((sc->state & PSM_SOFTARMED) != 0) { 2180 sc->state &= ~PSM_SOFTARMED; 2181 untimeout(psmsoftintr, arg, sc->softcallout); 2182 } 2183 psmsoftintr(arg); 2184 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2185 sc->state |= PSM_SOFTARMED; 2186 sc->softcallout = timeout(psmsoftintr, arg, 2187 psmhz < 1 ? 1 : (hz/psmhz)); 2188 } 2189 } 2190 } 2191 2192 static void 2193 psmsoftintr(void *arg) 2194 { 2195 /* 2196 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 2197 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 2198 */ 2199 static int butmap[8] = { 2200 0, 2201 MOUSE_BUTTON1DOWN, 2202 MOUSE_BUTTON3DOWN, 2203 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 2204 MOUSE_BUTTON2DOWN, 2205 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 2206 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 2207 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 2208 }; 2209 static int butmap_versapad[8] = { 2210 0, 2211 MOUSE_BUTTON3DOWN, 2212 0, 2213 MOUSE_BUTTON3DOWN, 2214 MOUSE_BUTTON1DOWN, 2215 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 2216 MOUSE_BUTTON1DOWN, 2217 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 2218 }; 2219 static int touchpad_buttons; 2220 static int guest_buttons; 2221 register struct psm_softc *sc = arg; 2222 mousestatus_t ms; 2223 int w, x, y, z; 2224 int c; 2225 int l; 2226 int x0, y0, xavg, yavg, xsensitivity, ysensitivity, sensitivity = 0; 2227 int s; 2228 packetbuf_t *pb; 2229 2230 getmicrouptime(&sc->lastsoftintr); 2231 2232 s = spltty(); 2233 2234 do { 2235 2236 pb = &sc->pqueue[sc->pqueue_start]; 2237 c = pb->ipacket[0]; 2238 /* 2239 * A kludge for Kensington device! 2240 * The MSB of the horizontal count appears to be stored in 2241 * a strange place. 2242 */ 2243 if (sc->hw.model == MOUSE_MODEL_THINK) 2244 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 2245 2246 /* ignore the overflow bits... */ 2247 x = (c & MOUSE_PS2_XNEG) ? pb->ipacket[1] - 256 : pb->ipacket[1]; 2248 y = (c & MOUSE_PS2_YNEG) ? pb->ipacket[2] - 256 : pb->ipacket[2]; 2249 z = 0; 2250 ms.obutton = sc->button; /* previous button state */ 2251 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 2252 /* `tapping' action */ 2253 if (sc->config & PSM_CONFIG_FORCETAP) 2254 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 2255 2256 switch (sc->hw.model) { 2257 2258 case MOUSE_MODEL_EXPLORER: 2259 /* 2260 * b7 b6 b5 b4 b3 b2 b1 b0 2261 * byte 1: oy ox sy sx 1 M R L 2262 * byte 2: x x x x x x x x 2263 * byte 3: y y y y y y y y 2264 * byte 4: * * S2 S1 s d2 d1 d0 2265 * 2266 * L, M, R, S1, S2: left, middle, right and side buttons 2267 * s: wheel data sign bit 2268 * d2-d0: wheel data 2269 */ 2270 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) 2271 ? (pb->ipacket[3] & 0x0f) - 16 : (pb->ipacket[3] & 0x0f); 2272 ms.button |= (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) 2273 ? MOUSE_BUTTON4DOWN : 0; 2274 ms.button |= (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) 2275 ? MOUSE_BUTTON5DOWN : 0; 2276 break; 2277 2278 case MOUSE_MODEL_INTELLI: 2279 case MOUSE_MODEL_NET: 2280 /* wheel data is in the fourth byte */ 2281 z = (char)pb->ipacket[3]; 2282 /* some mice may send 7 when there is no Z movement?! XXX */ 2283 if ((z >= 7) || (z <= -7)) 2284 z = 0; 2285 /* some compatible mice have additional buttons */ 2286 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) 2287 ? MOUSE_BUTTON4DOWN : 0; 2288 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) 2289 ? MOUSE_BUTTON5DOWN : 0; 2290 break; 2291 2292 case MOUSE_MODEL_MOUSEMANPLUS: 2293 /* 2294 * PS2++ protocl packet 2295 * 2296 * b7 b6 b5 b4 b3 b2 b1 b0 2297 * byte 1: * 1 p3 p2 1 * * * 2298 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2299 * 2300 * p3-p0: packet type 2301 * c1, c2: c1 & c2 == 1, if p2 == 0 2302 * c1 & c2 == 0, if p2 == 1 2303 * 2304 * packet type: 0 (device type) 2305 * See comments in enable_mmanplus() below. 2306 * 2307 * packet type: 1 (wheel data) 2308 * 2309 * b7 b6 b5 b4 b3 b2 b1 b0 2310 * byte 3: h * B5 B4 s d2 d1 d0 2311 * 2312 * h: 1, if horizontal roller data 2313 * 0, if vertical roller data 2314 * B4, B5: button 4 and 5 2315 * s: sign bit 2316 * d2-d0: roller data 2317 * 2318 * packet type: 2 (reserved) 2319 */ 2320 if (((c & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) 2321 && (abs(x) > 191) 2322 && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2323 /* the extended data packet encodes button and wheel events */ 2324 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2325 case 1: 2326 /* wheel data packet */ 2327 x = y = 0; 2328 if (pb->ipacket[2] & 0x80) { 2329 /* horizontal roller count - ignore it XXX*/ 2330 } else { 2331 /* vertical roller count */ 2332 z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) 2333 ? (pb->ipacket[2] & 0x0f) - 16 2334 : (pb->ipacket[2] & 0x0f); 2335 } 2336 ms.button |= (pb->ipacket[2] & MOUSE_PS2PLUS_BUTTON4DOWN) 2337 ? MOUSE_BUTTON4DOWN : 0; 2338 ms.button |= (pb->ipacket[2] & MOUSE_PS2PLUS_BUTTON5DOWN) 2339 ? MOUSE_BUTTON5DOWN : 0; 2340 break; 2341 case 2: 2342 /* this packet type is reserved by Logitech... */ 2343 /* 2344 * IBM ScrollPoint Mouse uses this packet type to 2345 * encode both vertical and horizontal scroll movement. 2346 */ 2347 x = y = 0; 2348 /* horizontal count */ 2349 if (pb->ipacket[2] & 0x0f) 2350 z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? -2 : 2; 2351 /* vertical count */ 2352 if (pb->ipacket[2] & 0xf0) 2353 z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? -1 : 1; 2354 #if 0 2355 /* vertical count */ 2356 z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) 2357 ? ((pb->ipacket[2] >> 4) & 0x0f) - 16 2358 : ((pb->ipacket[2] >> 4) & 0x0f); 2359 /* horizontal count */ 2360 w = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) 2361 ? (pb->ipacket[2] & 0x0f) - 16 2362 : (pb->ipacket[2] & 0x0f); 2363 #endif 2364 break; 2365 case 0: 2366 /* device type packet - shouldn't happen */ 2367 /* FALLTHROUGH */ 2368 default: 2369 x = y = 0; 2370 ms.button = ms.obutton; 2371 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet type %d:" 2372 " 0x%02x 0x%02x 0x%02x\n", 2373 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2374 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2375 break; 2376 } 2377 } else { 2378 /* preserve button states */ 2379 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2380 } 2381 break; 2382 2383 case MOUSE_MODEL_GLIDEPOINT: 2384 /* `tapping' action */ 2385 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 2386 break; 2387 2388 case MOUSE_MODEL_NETSCROLL: 2389 /* three addtional bytes encode buttons and wheel events */ 2390 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) 2391 ? MOUSE_BUTTON4DOWN : 0; 2392 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) 2393 ? MOUSE_BUTTON5DOWN : 0; 2394 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) 2395 ? pb->ipacket[4] - 256 : pb->ipacket[4]; 2396 break; 2397 2398 case MOUSE_MODEL_THINK: 2399 /* the fourth button state in the first byte */ 2400 ms.button |= (c & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0; 2401 break; 2402 2403 case MOUSE_MODEL_VERSAPAD: 2404 /* VersaPad PS/2 absolute mode message format 2405 * 2406 * [packet1] 7 6 5 4 3 2 1 0(LSB) 2407 * ipacket[0]: 1 1 0 A 1 L T R 2408 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 2409 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 2410 * ipacket[3]: 1 1 1 A 1 L T R 2411 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 2412 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 2413 * 2414 * [note] 2415 * R: right physical mouse button (1=on) 2416 * T: touch pad virtual button (1=tapping) 2417 * L: left physical mouse button (1=on) 2418 * A: position data is valid (1=valid) 2419 * H: horizontal data (12bit signed integer. H11 is sign bit.) 2420 * V: vertical data (12bit signed integer. V11 is sign bit.) 2421 * P: pressure data 2422 * 2423 * Tapping is mapped to MOUSE_BUTTON4. 2424 */ 2425 ms.button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 2426 ms.button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 2427 x = y = 0; 2428 if (c & MOUSE_PS2VERSA_IN_USE) { 2429 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 2430 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 2431 if (x0 & 0x800) 2432 x0 -= 0x1000; 2433 if (y0 & 0x800) 2434 y0 -= 0x1000; 2435 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2436 x = sc->xold - x0; 2437 y = y0 - sc->yold; 2438 if (x < 0) /* XXX */ 2439 x++; 2440 else if (x) 2441 x--; 2442 if (y < 0) 2443 y++; 2444 else if (y) 2445 y--; 2446 } else { 2447 sc->flags |= PSM_FLAGS_FINGERDOWN; 2448 } 2449 sc->xold = x0; 2450 sc->yold = y0; 2451 } else { 2452 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2453 } 2454 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) 2455 | ((y < 0) ? MOUSE_PS2_YNEG : 0); 2456 break; 2457 2458 case MOUSE_MODEL_4D: 2459 /* 2460 * b7 b6 b5 b4 b3 b2 b1 b0 2461 * byte 1: s2 d2 s1 d1 1 M R L 2462 * byte 2: sx x x x x x x x 2463 * byte 3: sy y y y y y y y 2464 * 2465 * s1: wheel 1 direction 2466 * d1: wheel 1 data 2467 * s2: wheel 2 direction 2468 * d2: wheel 2 data 2469 */ 2470 x = (pb->ipacket[1] & 0x80) ? pb->ipacket[1] - 256 : pb->ipacket[1]; 2471 y = (pb->ipacket[2] & 0x80) ? pb->ipacket[2] - 256 : pb->ipacket[2]; 2472 switch (c & MOUSE_4D_WHEELBITS) { 2473 case 0x10: 2474 z = 1; 2475 break; 2476 case 0x30: 2477 z = -1; 2478 break; 2479 case 0x40: /* 2nd wheel turning right XXX */ 2480 z = 2; 2481 break; 2482 case 0xc0: /* 2nd wheel turning left XXX */ 2483 z = -2; 2484 break; 2485 } 2486 break; 2487 2488 case MOUSE_MODEL_4DPLUS: 2489 if ((x < 16 - 256) && (y < 16 - 256)) { 2490 /* 2491 * b7 b6 b5 b4 b3 b2 b1 b0 2492 * byte 1: 0 0 1 1 1 M R L 2493 * byte 2: 0 0 0 0 1 0 0 0 2494 * byte 3: 0 0 0 0 S s d1 d0 2495 * 2496 * L, M, R, S: left, middle, right and side buttons 2497 * s: wheel data sign bit 2498 * d1-d0: wheel data 2499 */ 2500 x = y = 0; 2501 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 2502 ms.button |= MOUSE_BUTTON4DOWN; 2503 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) 2504 ? ((pb->ipacket[2] & 0x07) - 8) 2505 : (pb->ipacket[2] & 0x07) ; 2506 } else { 2507 /* preserve previous button states */ 2508 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2509 } 2510 break; 2511 2512 case MOUSE_MODEL_SYNAPTICS: 2513 /* TouchPad PS/2 absolute mode message format 2514 * 2515 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2516 * ------------------------------------------------ 2517 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2518 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2519 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2520 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2521 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2522 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2523 * 2524 * Legend: 2525 * L: left physical mouse button 2526 * R: right physical mouse button 2527 * D: down button 2528 * U: up button 2529 * W: "wrist" value 2530 * X: x position 2531 * Y: x position 2532 * Z: pressure 2533 * 2534 * Absolute reportable limits: 0 - 6143. 2535 * Typical bezel limits: 1472 - 5472. 2536 * Typical edge marings: 1632 - 5312. 2537 * 2538 * w = 3 Passthrough Packet 2539 * 2540 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2541 */ 2542 2543 if (!synaptics_support) 2544 break; 2545 2546 /* Sanity check for out of sync packets. */ 2547 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2548 (pb->ipacket[3] & 0xc8) != 0xc0) 2549 goto NEXT; 2550 2551 x = y = x0 = y0 = 0; 2552 2553 /* Pressure value. */ 2554 z = pb->ipacket[2]; 2555 2556 /* Finger width value */ 2557 if (sc->synhw.capExtended) { 2558 w = ((pb->ipacket[0] & 0x30) >> 2) | 2559 ((pb->ipacket[0] & 0x04) >> 1) | 2560 ((pb->ipacket[3] & 0x04) >> 2); 2561 } else { 2562 /* Assume a finger of regular width */ 2563 w = 4; 2564 } 2565 2566 /* Handle packets from the guest device */ 2567 if (w == 3 && sc->synhw.capPassthrough) { 2568 x = ((pb->ipacket[1] & 0x10) ? 2569 pb->ipacket[4] - 256 : pb->ipacket[4]); 2570 y = ((pb->ipacket[1] & 0x20) ? 2571 pb->ipacket[5] - 256 : pb->ipacket[5]); 2572 z = 0; 2573 2574 guest_buttons = 0; 2575 if (pb->ipacket[1] & 0x01) 2576 guest_buttons |= MOUSE_BUTTON1DOWN; 2577 if (pb->ipacket[1] & 0x04) 2578 guest_buttons |= MOUSE_BUTTON2DOWN; 2579 if (pb->ipacket[1] & 0x02) 2580 guest_buttons |= MOUSE_BUTTON3DOWN; 2581 2582 ms.button = touchpad_buttons | guest_buttons; 2583 break; 2584 } 2585 2586 /* Button presses */ 2587 touchpad_buttons = 0; 2588 if (pb->ipacket[0] & 0x01) 2589 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2590 if (pb->ipacket[0] & 0x02) 2591 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2592 2593 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2594 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2595 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2596 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2597 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2598 } 2599 2600 /* 2601 * In newer pads - bit 0x02 in the third byte of 2602 * the packet indicates that we have an extended 2603 * button press. 2604 */ 2605 if (pb->ipacket[3] & 0x02) { 2606 /* 2607 * if directional_scrolls is not 1, we treat 2608 * any of the scrolling directions as middle-click. 2609 */ 2610 if (sc->syninfo.directional_scrolls) { 2611 if (pb->ipacket[4] & 0x01) 2612 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2613 if (pb->ipacket[5] & 0x01) 2614 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2615 if (pb->ipacket[4] & 0x02) 2616 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2617 if (pb->ipacket[5] & 0x02) 2618 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2619 } else { 2620 if ((pb->ipacket[4] & 0x0F) || (pb->ipacket[5] & 0x0F)) 2621 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2622 } 2623 2624 } 2625 2626 ms.button = touchpad_buttons | guest_buttons; 2627 2628 /* There is a finger on the pad. */ 2629 if ((w >= 4 && w <= 7) && (z >= 16 && z < 200)) { 2630 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2631 ((pb->ipacket[1] & 0x0f) << 8) | 2632 pb->ipacket[4]; 2633 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2634 ((pb->ipacket[1] & 0xf0) << 4) | 2635 pb->ipacket[5]; 2636 2637 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2638 x = x0 - sc->xold; 2639 y = y0 - sc->yold; 2640 2641 /* we compute averages of x and y movement */ 2642 if (sc->xaverage == 0) 2643 sc->xaverage=x; 2644 2645 if (sc->yaverage == 0) 2646 sc->yaverage=y; 2647 2648 xavg = sc->xaverage; 2649 yavg = sc->yaverage; 2650 2651 sc->xaverage = (xavg + x) >> 1; 2652 sc->yaverage = (yavg + y) >> 1; 2653 2654 /* 2655 * then use the averages to compute a sensitivity level 2656 * in each dimension 2657 */ 2658 xsensitivity = (sc->xaverage - xavg); 2659 if (xsensitivity < 0) 2660 xsensitivity = -xsensitivity; 2661 2662 ysensitivity = (sc->yaverage - yavg); 2663 if (ysensitivity < 0) 2664 ysensitivity = -ysensitivity; 2665 2666 /* 2667 * The sensitivity level is higher the faster the finger 2668 * is moving. It also tends to be higher in the middle 2669 * of a touchpad motion than on either end 2670 * 2671 * Note - sensitivity gets to 0 when moving slowly - so 2672 * we add 1 to it to give it a meaningful value in that case. 2673 */ 2674 sensitivity = (xsensitivity & ysensitivity)+1; 2675 2676 /* 2677 * If either our x or y change is greater than our 2678 * hi/low speed threshold - we do the high-speed 2679 * absolute to relative calculation otherwise we 2680 * do the low-speed calculation. 2681 */ 2682 if ((x>sc->syninfo.low_speed_threshold || 2683 x<-sc->syninfo.low_speed_threshold) || 2684 (y>sc->syninfo.low_speed_threshold || 2685 y<-sc->syninfo.low_speed_threshold)) { 2686 x0 = (x0 + sc->xold * 3) / 4; 2687 y0 = (y0 + sc->yold * 3) / 4; 2688 x = (x0 - sc->xold) * 10 / 85; 2689 y = (y0 - sc->yold) * 10 / 85; 2690 } else { 2691 /* 2692 * This is the low speed calculation. 2693 * We simply check to see if our movement 2694 * is more than our minimum movement threshold 2695 * and if it is - set the movement to 1 in the 2696 * correct direction. 2697 * NOTE - Normally this would result in pointer 2698 * movement that was WAY too fast. This works 2699 * due to the movement squelch we do later. 2700 */ 2701 if (x < -sc->syninfo.min_movement) 2702 x = -1; 2703 else if (x > sc->syninfo.min_movement) 2704 x = 1; 2705 else 2706 x = 0; 2707 if (y < -sc->syninfo.min_movement) 2708 y = -1; 2709 else if (y > sc->syninfo.min_movement) 2710 y = 1; 2711 else 2712 y = 0; 2713 2714 } 2715 } else { 2716 sc->flags |= PSM_FLAGS_FINGERDOWN; 2717 } 2718 2719 /* 2720 * ok - the squelch process. Take our sensitivity value 2721 * and add it to the current squelch value - if squelch 2722 * is less than our squelch threshold we kill the movement, 2723 * otherwise we reset squelch and pass the movement through. 2724 * Since squelch is cumulative - when mouse movement is slow 2725 * (around sensitivity 1) the net result is that only 2726 * 1 out of every squelch_level packets is 2727 * delivered, effectively slowing down the movement. 2728 */ 2729 sc->squelch += sensitivity; 2730 if (sc->squelch < sc->syninfo.squelch_level) { 2731 x = 0; 2732 y = 0; 2733 } else 2734 sc->squelch = 0; 2735 2736 sc->xold = x0; 2737 sc->yold = y0; 2738 sc->zmax = imax(z, sc->zmax); 2739 } else { 2740 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2741 2742 if (sc->zmax > tap_threshold && 2743 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 2744 if (w == 0) 2745 ms.button |= MOUSE_BUTTON3DOWN; 2746 else if (w == 1) 2747 ms.button |= MOUSE_BUTTON2DOWN; 2748 else 2749 ms.button |= MOUSE_BUTTON1DOWN; 2750 } 2751 2752 sc->zmax = 0; 2753 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2754 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2755 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2756 } 2757 2758 /* Use the extra buttons as a scrollwheel */ 2759 if (ms.button & MOUSE_BUTTON4DOWN) 2760 z = -1; 2761 else if (ms.button & MOUSE_BUTTON5DOWN) 2762 z = 1; 2763 else 2764 z = 0; 2765 2766 break; 2767 2768 case MOUSE_MODEL_GENERIC: 2769 default: 2770 break; 2771 } 2772 2773 /* scale values */ 2774 if (sc->mode.accelfactor >= 1) { 2775 if (x != 0) { 2776 x = x * x / sc->mode.accelfactor; 2777 if (x == 0) 2778 x = 1; 2779 if (c & MOUSE_PS2_XNEG) 2780 x = -x; 2781 } 2782 if (y != 0) { 2783 y = y * y / sc->mode.accelfactor; 2784 if (y == 0) 2785 y = 1; 2786 if (c & MOUSE_PS2_YNEG) 2787 y = -y; 2788 } 2789 } 2790 2791 ms.dx = x; 2792 ms.dy = y; 2793 ms.dz = z; 2794 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) 2795 | (ms.obutton ^ ms.button); 2796 2797 if (sc->mode.level < PSM_LEVEL_NATIVE) 2798 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 2799 2800 sc->status.flags |= ms.flags; 2801 sc->status.dx += ms.dx; 2802 sc->status.dy += ms.dy; 2803 sc->status.dz += ms.dz; 2804 sc->status.button = ms.button; 2805 sc->button = ms.button; 2806 2807 sc->watchdog = FALSE; 2808 2809 /* queue data */ 2810 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 2811 l = imin(pb->inputbytes, sizeof(sc->queue.buf) - sc->queue.tail); 2812 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 2813 if (pb->inputbytes > l) 2814 bcopy(&pb->ipacket[l], &sc->queue.buf[0], pb->inputbytes - l); 2815 sc->queue.tail = 2816 (sc->queue.tail + pb->inputbytes) % sizeof(sc->queue.buf); 2817 sc->queue.count += pb->inputbytes; 2818 } 2819 pb->inputbytes = 0; 2820 2821 NEXT: 2822 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 2823 sc->pqueue_start = 0; 2824 } while (sc->pqueue_start != sc->pqueue_end); 2825 if (sc->state & PSM_ASLP) { 2826 sc->state &= ~PSM_ASLP; 2827 wakeup( sc); 2828 } 2829 selwakeuppri(&sc->rsel, PZERO); 2830 sc->state &= ~PSM_SOFTARMED; 2831 splx(s); 2832 } 2833 2834 static int 2835 psmpoll(struct cdev *dev, int events, struct thread *td) 2836 { 2837 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 2838 int s; 2839 int revents = 0; 2840 2841 /* Return true if a mouse event available */ 2842 s = spltty(); 2843 if (events & (POLLIN | POLLRDNORM)) { 2844 if (sc->queue.count > 0) 2845 revents |= events & (POLLIN | POLLRDNORM); 2846 else 2847 selrecord(td, &sc->rsel); 2848 } 2849 splx(s); 2850 2851 return (revents); 2852 } 2853 2854 /* vendor/model specific routines */ 2855 2856 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 2857 { 2858 if (set_mouse_resolution(kbdc, res) != res) 2859 return FALSE; 2860 if (set_mouse_scaling(kbdc, scale) 2861 && set_mouse_scaling(kbdc, scale) 2862 && set_mouse_scaling(kbdc, scale) 2863 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) 2864 return TRUE; 2865 return FALSE; 2866 } 2867 2868 static int 2869 mouse_ext_command(KBDC kbdc, int command) 2870 { 2871 int c; 2872 2873 c = (command >> 6) & 0x03; 2874 if (set_mouse_resolution(kbdc, c) != c) 2875 return FALSE; 2876 c = (command >> 4) & 0x03; 2877 if (set_mouse_resolution(kbdc, c) != c) 2878 return FALSE; 2879 c = (command >> 2) & 0x03; 2880 if (set_mouse_resolution(kbdc, c) != c) 2881 return FALSE; 2882 c = (command >> 0) & 0x03; 2883 if (set_mouse_resolution(kbdc, c) != c) 2884 return FALSE; 2885 return TRUE; 2886 } 2887 2888 #ifdef notyet 2889 /* Logitech MouseMan Cordless II */ 2890 static int 2891 enable_lcordless(struct psm_softc *sc) 2892 { 2893 int status[3]; 2894 int ch; 2895 2896 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 2897 return FALSE; 2898 if (status[1] == PSMD_RES_HIGH) 2899 return FALSE; 2900 ch = (status[0] & 0x07) - 1; /* channel # */ 2901 if ((ch <= 0) || (ch > 4)) 2902 return FALSE; 2903 /* 2904 * status[1]: always one? 2905 * status[2]: battery status? (0-100) 2906 */ 2907 return TRUE; 2908 } 2909 #endif /* notyet */ 2910 2911 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 2912 static int 2913 enable_groller(struct psm_softc *sc) 2914 { 2915 int status[3]; 2916 2917 /* 2918 * The special sequence to enable the fourth button and the 2919 * roller. Immediately after this sequence check status bytes. 2920 * if the mouse is NetScroll, the second and the third bytes are 2921 * '3' and 'D'. 2922 */ 2923 2924 /* 2925 * If the mouse is an ordinary PS/2 mouse, the status bytes should 2926 * look like the following. 2927 * 2928 * byte 1 bit 7 always 0 2929 * bit 6 stream mode (0) 2930 * bit 5 disabled (0) 2931 * bit 4 1:1 scaling (0) 2932 * bit 3 always 0 2933 * bit 0-2 button status 2934 * byte 2 resolution (PSMD_RES_HIGH) 2935 * byte 3 report rate (?) 2936 */ 2937 2938 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2939 return FALSE; 2940 if ((status[1] != '3') || (status[2] != 'D')) 2941 return FALSE; 2942 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 2943 sc->hw.buttons = 4; 2944 return TRUE; 2945 } 2946 2947 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 2948 static int 2949 enable_gmouse(struct psm_softc *sc) 2950 { 2951 int status[3]; 2952 2953 /* 2954 * The special sequence to enable the middle, "rubber" button. 2955 * Immediately after this sequence check status bytes. 2956 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 2957 * the second and the third bytes are '3' and 'U'. 2958 * NOTE: NetMouse reports that it has three buttons although it has 2959 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 2960 * say they have three buttons too and they do have a button on the 2961 * side... 2962 */ 2963 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 2964 return FALSE; 2965 if ((status[1] != '3') || (status[2] != 'U')) 2966 return FALSE; 2967 return TRUE; 2968 } 2969 2970 /* ALPS GlidePoint */ 2971 static int 2972 enable_aglide(struct psm_softc *sc) 2973 { 2974 int status[3]; 2975 2976 /* 2977 * The special sequence to obtain ALPS GlidePoint specific 2978 * information. Immediately after this sequence, status bytes will 2979 * contain something interesting. 2980 * NOTE: ALPS produces several models of GlidePoint. Some of those 2981 * do not respond to this sequence, thus, cannot be detected this way. 2982 */ 2983 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 2984 return FALSE; 2985 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 2986 return FALSE; 2987 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 2988 return FALSE; 2989 return TRUE; 2990 } 2991 2992 /* Kensington ThinkingMouse/Trackball */ 2993 static int 2994 enable_kmouse(struct psm_softc *sc) 2995 { 2996 static unsigned char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 2997 KBDC kbdc = sc->kbdc; 2998 int status[3]; 2999 int id1; 3000 int id2; 3001 int i; 3002 3003 id1 = get_aux_id(kbdc); 3004 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3005 return FALSE; 3006 /* 3007 * The device is now in the native mode? It returns a different 3008 * ID value... 3009 */ 3010 id2 = get_aux_id(kbdc); 3011 if ((id1 == id2) || (id2 != 2)) 3012 return FALSE; 3013 3014 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3015 return FALSE; 3016 #if PSM_DEBUG >= 2 3017 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3018 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3019 return FALSE; 3020 #endif 3021 3022 /* 3023 * The special sequence to enable the third and fourth buttons. 3024 * Otherwise they behave like the first and second buttons. 3025 */ 3026 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 3027 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3028 return FALSE; 3029 } 3030 3031 /* 3032 * At this point, the device is using default resolution and 3033 * sampling rate for the native mode. 3034 */ 3035 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3036 return FALSE; 3037 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3038 return FALSE; 3039 3040 /* the device appears be enabled by this sequence, diable it for now */ 3041 disable_aux_dev(kbdc); 3042 empty_aux_buffer(kbdc, 5); 3043 3044 return TRUE; 3045 } 3046 3047 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3048 static int 3049 enable_mmanplus(struct psm_softc *sc) 3050 { 3051 KBDC kbdc = sc->kbdc; 3052 int data[3]; 3053 3054 /* the special sequence to enable the fourth button and the roller. */ 3055 /* 3056 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3057 * must be called exactly three times since the last RESET command 3058 * before this sequence. XXX 3059 */ 3060 if (!set_mouse_scaling(kbdc, 1)) 3061 return FALSE; 3062 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3063 return FALSE; 3064 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3065 return FALSE; 3066 3067 /* 3068 * PS2++ protocl, packet type 0 3069 * 3070 * b7 b6 b5 b4 b3 b2 b1 b0 3071 * byte 1: * 1 p3 p2 1 * * * 3072 * byte 2: 1 1 p1 p0 m1 m0 1 0 3073 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3074 * 3075 * p3-p0: packet type: 0 3076 * m7-m0: model ID: MouseMan+:0x50, FirstMouse+:0x51, ScrollPoint:0x58... 3077 */ 3078 /* check constant bits */ 3079 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3080 return FALSE; 3081 if ((data[1] & 0xc3) != 0xc2) 3082 return FALSE; 3083 /* check d3-d0 in byte 2 */ 3084 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3085 return FALSE; 3086 /* check p3-p0 */ 3087 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3088 return FALSE; 3089 3090 sc->hw.hwid &= 0x00ff; 3091 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3092 3093 /* 3094 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3095 * the wheel and the fourth button events are encoded in the 3096 * special data packet. The mouse may be put in the IntelliMouse mode 3097 * if it is initialized by the IntelliMouse's method. 3098 */ 3099 return TRUE; 3100 } 3101 3102 /* MS IntelliMouse Explorer */ 3103 static int 3104 enable_msexplorer(struct psm_softc *sc) 3105 { 3106 static unsigned char rate0[] = { 200, 100, 80, }; 3107 static unsigned char rate1[] = { 200, 200, 80, }; 3108 KBDC kbdc = sc->kbdc; 3109 int id; 3110 int i; 3111 3112 /* the special sequence to enable the extra buttons and the roller. */ 3113 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) { 3114 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3115 return FALSE; 3116 } 3117 /* the device will give the genuine ID only after the above sequence */ 3118 id = get_aux_id(kbdc); 3119 if (id != PSM_EXPLORER_ID) 3120 return FALSE; 3121 3122 sc->hw.hwid = id; 3123 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3124 3125 /* 3126 * XXX: this is a kludge to fool some KVM switch products 3127 * which think they are clever enough to know the 4-byte IntelliMouse 3128 * protocol, and assume any other protocols use 3-byte packets. 3129 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3130 * correctly to the host computer because of this! 3131 * The following sequence is actually IntelliMouse's "wake up" 3132 * sequence; it will make the KVM think the mouse is IntelliMouse 3133 * when it is in fact IntelliMouse Explorer. 3134 */ 3135 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) { 3136 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3137 break; 3138 } 3139 id = get_aux_id(kbdc); 3140 3141 return TRUE; 3142 } 3143 3144 /* MS IntelliMouse */ 3145 static int 3146 enable_msintelli(struct psm_softc *sc) 3147 { 3148 /* 3149 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3150 * probe routine and act like IntelliMouse. 3151 */ 3152 3153 static unsigned char rate[] = { 200, 100, 80, }; 3154 KBDC kbdc = sc->kbdc; 3155 int id; 3156 int i; 3157 3158 /* the special sequence to enable the third button and the roller. */ 3159 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 3160 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3161 return FALSE; 3162 } 3163 /* the device will give the genuine ID only after the above sequence */ 3164 id = get_aux_id(kbdc); 3165 if (id != PSM_INTELLI_ID) 3166 return FALSE; 3167 3168 sc->hw.hwid = id; 3169 sc->hw.buttons = 3; 3170 3171 return TRUE; 3172 } 3173 3174 /* A4 Tech 4D Mouse */ 3175 static int 3176 enable_4dmouse(struct psm_softc *sc) 3177 { 3178 /* 3179 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3180 */ 3181 3182 static unsigned char rate[] = { 200, 100, 80, 60, 40, 20 }; 3183 KBDC kbdc = sc->kbdc; 3184 int id; 3185 int i; 3186 3187 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 3188 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3189 return FALSE; 3190 } 3191 id = get_aux_id(kbdc); 3192 /* 3193 * WinEasy 4D, 4 Way Scroll 4D: 6 3194 * Cable-Free 4D: 8 (4DPLUS) 3195 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3196 */ 3197 if (id != PSM_4DMOUSE_ID) 3198 return FALSE; 3199 3200 sc->hw.hwid = id; 3201 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3202 3203 return TRUE; 3204 } 3205 3206 /* A4 Tech 4D+ Mouse */ 3207 static int 3208 enable_4dplus(struct psm_softc *sc) 3209 { 3210 /* 3211 * Newer wheel mice from A4 Tech seem to use this protocol. 3212 * Older models are recognized as either 4D Mouse or IntelliMouse. 3213 */ 3214 KBDC kbdc = sc->kbdc; 3215 int id; 3216 3217 /* 3218 * enable_4dmouse() already issued the following ID sequence... 3219 static unsigned char rate[] = { 200, 100, 80, 60, 40, 20 }; 3220 int i; 3221 3222 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 3223 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3224 return FALSE; 3225 } 3226 */ 3227 3228 id = get_aux_id(kbdc); 3229 switch (id) { 3230 case PSM_4DPLUS_ID: 3231 sc->hw.buttons = 4; 3232 break; 3233 case PSM_4DPLUS_RFSW35_ID: 3234 sc->hw.buttons = 3; 3235 break; 3236 default: 3237 return FALSE; 3238 } 3239 3240 sc->hw.hwid = id; 3241 3242 return TRUE; 3243 } 3244 3245 /* Synaptics Touchpad */ 3246 static int 3247 enable_synaptics(struct psm_softc *sc) 3248 { 3249 int status[3]; 3250 KBDC kbdc; 3251 3252 if (!synaptics_support) 3253 return (FALSE); 3254 3255 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 3256 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 3257 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 3258 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", 3259 CTLFLAG_RD, 0, "Synaptics TouchPad"); 3260 3261 /* 3262 * synaptics_directional_scrolls - if non-zero, the directional 3263 * pad scrolls, otherwise it registers as a middle-click. 3264 */ 3265 sc->syninfo.directional_scrolls = 1; 3266 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3267 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), 3268 OID_AUTO, "directional_scrolls", CTLFLAG_RW, 3269 &sc->syninfo.directional_scrolls, 0, 3270 "directional pad scrolls (1=yes 0=3rd button)"); 3271 3272 /* 3273 * Synaptics_low_speed_threshold - the number of touchpad units 3274 * below-which we go into low-speed tracking mode. 3275 */ 3276 sc->syninfo.low_speed_threshold = 20; 3277 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3278 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), 3279 OID_AUTO, "low_speed_threshold", CTLFLAG_RW, 3280 &sc->syninfo.low_speed_threshold, 0, 3281 "threshold between low and hi speed positioning"); 3282 3283 /* 3284 * Synaptics_min_movement - the number of touchpad units below 3285 * which we ignore altogether. 3286 */ 3287 sc->syninfo.min_movement = 2; 3288 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3289 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), 3290 OID_AUTO, "min_movement", CTLFLAG_RW, 3291 &sc->syninfo.min_movement, 0, 3292 "ignore touchpad movements less than this"); 3293 3294 /* 3295 * Synaptics_squelch_level - level at which we squelch movement 3296 * packets. 3297 * 3298 * This effectively sends 1 out of every synaptics_squelch_level 3299 * packets when * running in low-speed mode. 3300 */ 3301 sc->syninfo.squelch_level=3; 3302 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3303 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), 3304 OID_AUTO, "squelch_level", CTLFLAG_RW, 3305 &sc->syninfo.squelch_level, 0, 3306 "squelch level for synaptics touchpads"); 3307 3308 kbdc = sc->kbdc; 3309 disable_aux_dev(kbdc); 3310 sc->hw.buttons = 3; 3311 sc->squelch = 0; 3312 3313 /* Just to be on the safe side */ 3314 set_mouse_scaling(kbdc, 1); 3315 3316 /* Identify the Touchpad version */ 3317 if (mouse_ext_command(kbdc, 0) == 0) 3318 return (FALSE); 3319 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3320 return (FALSE); 3321 if (status[1] != 0x47) 3322 return (FALSE); 3323 3324 sc->synhw.infoMinor = status[0]; 3325 sc->synhw.infoMajor = status[2] & 0x0f; 3326 3327 if (verbose >= 2) 3328 printf("Synaptics Touchpad v%d.%d\n", 3329 sc->synhw.infoMajor, sc->synhw.infoMinor); 3330 3331 if (sc->synhw.infoMajor < 4) { 3332 printf(" Unsupported (pre-v4) Touchpad detected\n"); 3333 return (FALSE); 3334 } 3335 3336 /* Get the Touchpad model information */ 3337 if (mouse_ext_command(kbdc, 3) == 0) 3338 return (FALSE); 3339 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3340 return (FALSE); 3341 if ((status[1] & 0x01) != 0) { 3342 printf(" Failed to read model information\n"); 3343 return (FALSE); 3344 } 3345 3346 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 3347 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 3348 sc->synhw.infoSensor = status[0] & 0x3f; 3349 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 3350 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 3351 sc->synhw.capPen = (status[2] & 0x40) >> 6; 3352 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 3353 sc->synhw.infoGeometry = status[2] & 0x0f; 3354 3355 if (verbose >= 2) { 3356 printf(" Model information:\n"); 3357 printf(" infoRot180: %d\n", sc->synhw.infoRot180); 3358 printf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 3359 printf(" infoSensor: %d\n", sc->synhw.infoSensor); 3360 printf(" infoHardware: %d\n", sc->synhw.infoHardware); 3361 printf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 3362 printf(" capPen: %d\n", sc->synhw.capPen); 3363 printf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 3364 printf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 3365 } 3366 3367 /* Read the extended capability bits */ 3368 if (mouse_ext_command(kbdc, 2) == 0) 3369 return (FALSE); 3370 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3371 return (FALSE); 3372 if (status[1] != 0x47) { 3373 printf(" Failed to read extended capability bits\n"); 3374 return (FALSE); 3375 } 3376 3377 /* Set the different capabilities when they exist */ 3378 if ((status[0] & 0x80) >> 7) { 3379 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 3380 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 3381 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 3382 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 3383 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 3384 sc->synhw.capPalmDetect = (status[2] & 0x01); 3385 3386 if (verbose >= 2) { 3387 printf(" Extended capabilities:\n"); 3388 printf(" capExtended: %d\n", sc->synhw.capExtended); 3389 printf(" capPassthrough: %d\n", sc->synhw.capPassthrough); 3390 printf(" capSleep: %d\n", sc->synhw.capSleep); 3391 printf(" capFourButtons: %d\n", sc->synhw.capFourButtons); 3392 printf(" capMultiFinger: %d\n", sc->synhw.capMultiFinger); 3393 printf(" capPalmDetect: %d\n", sc->synhw.capPalmDetect); 3394 } 3395 3396 /* 3397 * if we have bits set in status[0] & 0x70 - then we can load 3398 * more information about buttons using query 0x09 3399 */ 3400 if (status[0] & 0x70) { 3401 if (mouse_ext_command(kbdc, 0x09) == 0) 3402 return (FALSE); 3403 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3404 return (FALSE); 3405 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 3406 if (verbose >= 2) 3407 printf(" Additional Buttons: %d\n", sc->hw.buttons -3); 3408 } 3409 3410 } else { 3411 sc->synhw.capExtended = 0; 3412 3413 if (verbose >= 2) 3414 printf(" No extended capabilities\n"); 3415 } 3416 3417 /* 3418 * Read the mode byte 3419 * 3420 * XXX: Note the Synaptics documentation also defines the first 3421 * byte of the response to this query to be a constant 0x3b, this 3422 * does not appear to be true for Touchpads with guest devices. 3423 */ 3424 if (mouse_ext_command(kbdc, 1) == 0) 3425 return (FALSE); 3426 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3427 return (FALSE); 3428 if (status[1] != 0x47) { 3429 printf(" Failed to read mode byte\n"); 3430 return (FALSE); 3431 } 3432 3433 /* Set the mode byte -- request wmode where available */ 3434 if (sc->synhw.capExtended) 3435 mouse_ext_command(kbdc, 0xc1); 3436 else 3437 mouse_ext_command(kbdc, 0xc0); 3438 3439 /* Reset the sampling rate */ 3440 set_mouse_sampling_rate(kbdc, 20); 3441 3442 /* 3443 * Report the correct number of buttons 3444 * 3445 * XXX: I'm not sure this is used anywhere. 3446 */ 3447 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 3448 sc->hw.buttons = 4; 3449 3450 return (TRUE); 3451 } 3452 3453 /* Interlink electronics VersaPad */ 3454 static int 3455 enable_versapad(struct psm_softc *sc) 3456 { 3457 KBDC kbdc = sc->kbdc; 3458 int data[3]; 3459 3460 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 3461 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 3462 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3463 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3464 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3465 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3466 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 3467 return FALSE; 3468 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 3469 return FALSE; 3470 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3471 3472 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 3473 3474 return TRUE; /* PS/2 absolute mode */ 3475 } 3476 3477 /* 3478 * Return true if 'now' is earlier than (start + (secs.usecs)). 3479 * Now may be NULL and the function will fetch the current time from 3480 * getmicrouptime(), or a cached 'now' can be passed in. 3481 * All values should be numbers derived from getmicrouptime(). 3482 */ 3483 static int 3484 timeelapsed(start, secs, usecs, now) 3485 const struct timeval *start, *now; 3486 int secs, usecs; 3487 { 3488 struct timeval snow, tv; 3489 3490 /* if there is no 'now' passed in, the get it as a convience. */ 3491 if (now == NULL) { 3492 getmicrouptime(&snow); 3493 now = &snow; 3494 } 3495 3496 tv.tv_sec = secs; 3497 tv.tv_usec = usecs; 3498 timevaladd(&tv, start); 3499 return (timevalcmp(&tv, now, <)); 3500 } 3501 3502 static int 3503 psmresume(device_t dev) 3504 { 3505 struct psm_softc *sc = device_get_softc(dev); 3506 int unit = device_get_unit(dev); 3507 int err; 3508 3509 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 3510 3511 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 3512 return (0); 3513 3514 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 3515 3516 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 3517 /* 3518 * Release the blocked process; it must be notified that the device 3519 * cannot be accessed anymore. 3520 */ 3521 sc->state &= ~PSM_ASLP; 3522 wakeup(sc); 3523 } 3524 3525 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 3526 3527 return (err); 3528 } 3529 3530 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 3531 3532 #ifdef DEV_ISA 3533 3534 /* 3535 * This sucks up assignments from PNPBIOS and ACPI. 3536 */ 3537 3538 /* 3539 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 3540 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 3541 * can be probed and attached only after the AT keyboard controller is 3542 * attached, we shall quietly reserve the IRQ resource for later use. 3543 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 3544 * copy the IRQ resource to the PS/2 mouse device instance hanging 3545 * under the keyboard controller, then probe and attach it. 3546 */ 3547 3548 static devclass_t psmcpnp_devclass; 3549 3550 static device_probe_t psmcpnp_probe; 3551 static device_attach_t psmcpnp_attach; 3552 3553 static device_method_t psmcpnp_methods[] = { 3554 DEVMETHOD(device_probe, psmcpnp_probe), 3555 DEVMETHOD(device_attach, psmcpnp_attach), 3556 3557 { 0, 0 } 3558 }; 3559 3560 static driver_t psmcpnp_driver = { 3561 PSMCPNP_DRIVER_NAME, 3562 psmcpnp_methods, 3563 1, /* no softc */ 3564 }; 3565 3566 static struct isa_pnp_id psmcpnp_ids[] = { 3567 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 3568 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 3569 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 3570 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 3571 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 3572 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 3573 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 3574 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 3575 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 3576 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 3577 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 3578 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 3579 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 3580 { 0 } 3581 }; 3582 3583 static int 3584 create_a_copy(device_t atkbdc, device_t me) 3585 { 3586 device_t psm; 3587 u_long irq; 3588 3589 /* find the PS/2 mouse device instance under the keyboard controller */ 3590 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 3591 device_get_unit(atkbdc)); 3592 if (psm == NULL) 3593 return ENXIO; 3594 if (device_get_state(psm) != DS_NOTPRESENT) 3595 return 0; 3596 3597 /* move our resource to the found device */ 3598 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 3599 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 3600 3601 /* ...then probe and attach it */ 3602 return device_probe_and_attach(psm); 3603 } 3604 3605 static int 3606 psmcpnp_probe(device_t dev) 3607 { 3608 struct resource *res; 3609 u_long irq; 3610 int rid; 3611 3612 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 3613 return ENXIO; 3614 3615 /* 3616 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 3617 * to the PS/2 mouse device node. But, some buggy PnP BIOS 3618 * declares the PS/2 mouse device node without an IRQ resource! 3619 * If this happens, we shall refer to device hints. 3620 * If we still don't find it there, use a hardcoded value... XXX 3621 */ 3622 rid = 0; 3623 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 3624 if (irq <= 0) { 3625 if (resource_long_value(PSM_DRIVER_NAME, 3626 device_get_unit(dev), "irq", &irq) != 0) 3627 irq = 12; /* XXX */ 3628 device_printf(dev, "irq resource info is missing; " 3629 "assuming irq %ld\n", irq); 3630 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 3631 } 3632 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 3633 RF_SHAREABLE); 3634 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 3635 3636 /* keep quiet */ 3637 if (!bootverbose) 3638 device_quiet(dev); 3639 3640 return ((res == NULL) ? ENXIO : 0); 3641 } 3642 3643 static int 3644 psmcpnp_attach(device_t dev) 3645 { 3646 device_t atkbdc; 3647 int rid; 3648 3649 /* find the keyboard controller, which may be on acpi* or isa* bus */ 3650 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 3651 device_get_unit(dev)); 3652 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) { 3653 create_a_copy(atkbdc, dev); 3654 } else { 3655 /* 3656 * If we don't have the AT keyboard controller yet, 3657 * just reserve the IRQ for later use... 3658 * (See psmidentify() above.) 3659 */ 3660 rid = 0; 3661 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 3662 } 3663 3664 return 0; 3665 } 3666 3667 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 3668 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 3669 3670 #endif /* DEV_ISA */ 3671