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/filio.h> 74 #include <sys/poll.h> 75 #include <sys/sigio.h> 76 #include <sys/signalvar.h> 77 #include <sys/syslog.h> 78 #include <machine/bus.h> 79 #include <sys/rman.h> 80 #include <sys/selinfo.h> 81 #include <sys/sysctl.h> 82 #include <sys/time.h> 83 #include <sys/uio.h> 84 85 #include <sys/limits.h> 86 #include <sys/mouse.h> 87 #include <machine/resource.h> 88 89 #ifdef DEV_ISA 90 #include <isa/isavar.h> 91 #endif 92 93 #include <dev/atkbdc/atkbdcreg.h> 94 #include <dev/atkbdc/psm.h> 95 96 /* 97 * Driver specific options: the following options may be set by 98 * `options' statements in the kernel configuration file. 99 */ 100 101 /* debugging */ 102 #ifndef PSM_DEBUG 103 #define PSM_DEBUG 0 /* 104 * logging: 0: none, 1: brief, 2: verbose 105 * 3: sync errors, 4: all packets 106 */ 107 #endif 108 #define VLOG(level, args) do { \ 109 if (verbose >= level) \ 110 log args; \ 111 } while (0) 112 113 #ifndef PSM_INPUT_TIMEOUT 114 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 115 #endif 116 117 #ifndef PSM_TAP_TIMEOUT 118 #define PSM_TAP_TIMEOUT 125000 119 #endif 120 121 #ifndef PSM_TAP_THRESHOLD 122 #define PSM_TAP_THRESHOLD 25 123 #endif 124 125 /* end of driver specific options */ 126 127 #define PSMCPNP_DRIVER_NAME "psmcpnp" 128 129 /* input queue */ 130 #define PSM_BUFSIZE 960 131 #define PSM_SMALLBUFSIZE 240 132 133 /* operation levels */ 134 #define PSM_LEVEL_BASE 0 135 #define PSM_LEVEL_STANDARD 1 136 #define PSM_LEVEL_NATIVE 2 137 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 138 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 139 140 /* Logitech PS2++ protocol */ 141 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 142 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 143 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 144 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 145 146 /* ring buffer */ 147 typedef struct ringbuf { 148 int count; /* # of valid elements in the buffer */ 149 int head; /* head pointer */ 150 int tail; /* tail poiner */ 151 u_char buf[PSM_BUFSIZE]; 152 } ringbuf_t; 153 154 /* data buffer */ 155 typedef struct packetbuf { 156 u_char ipacket[16]; /* interim input buffer */ 157 int inputbytes; /* # of bytes in the input buffer */ 158 } packetbuf_t; 159 160 #ifndef PSM_PACKETQUEUE 161 #define PSM_PACKETQUEUE 128 162 #endif 163 164 enum { 165 SYNAPTICS_SYSCTL_MIN_PRESSURE, 166 SYNAPTICS_SYSCTL_MAX_PRESSURE, 167 SYNAPTICS_SYSCTL_MAX_WIDTH, 168 SYNAPTICS_SYSCTL_MARGIN_TOP, 169 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 170 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 171 SYNAPTICS_SYSCTL_MARGIN_LEFT, 172 SYNAPTICS_SYSCTL_NA_TOP, 173 SYNAPTICS_SYSCTL_NA_RIGHT, 174 SYNAPTICS_SYSCTL_NA_BOTTOM, 175 SYNAPTICS_SYSCTL_NA_LEFT, 176 SYNAPTICS_SYSCTL_WINDOW_MIN, 177 SYNAPTICS_SYSCTL_WINDOW_MAX, 178 SYNAPTICS_SYSCTL_MULTIPLICATOR, 179 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 180 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 181 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 182 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 183 SYNAPTICS_SYSCTL_DIV_MIN, 184 SYNAPTICS_SYSCTL_DIV_MAX, 185 SYNAPTICS_SYSCTL_DIV_MAX_NA, 186 SYNAPTICS_SYSCTL_DIV_LEN, 187 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 188 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 189 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 190 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 191 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 192 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 193 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 194 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 195 }; 196 197 typedef struct synapticsinfo { 198 struct sysctl_ctx_list sysctl_ctx; 199 struct sysctl_oid *sysctl_tree; 200 int directional_scrolls; 201 int min_pressure; 202 int max_pressure; 203 int max_width; 204 int margin_top; 205 int margin_right; 206 int margin_bottom; 207 int margin_left; 208 int na_top; 209 int na_right; 210 int na_bottom; 211 int na_left; 212 int window_min; 213 int window_max; 214 int multiplicator; 215 int weight_current; 216 int weight_previous; 217 int weight_previous_na; 218 int weight_len_squared; 219 int div_min; 220 int div_max; 221 int div_max_na; 222 int div_len; 223 int tap_max_delta; 224 int tap_min_queue; 225 int taphold_timeout; 226 int vscroll_ver_area; 227 int vscroll_hor_area; 228 int vscroll_min_delta; 229 int vscroll_div_min; 230 int vscroll_div_max; 231 } synapticsinfo_t; 232 233 typedef struct synapticspacket { 234 int x; 235 int y; 236 } synapticspacket_t; 237 238 #define SYNAPTICS_PACKETQUEUE 10 239 #define SYNAPTICS_QUEUE_CURSOR(x) \ 240 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 241 242 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 243 ((synhw).infoMajor > (major) || \ 244 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 245 246 typedef struct synapticsaction { 247 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 248 int queue_len; 249 int queue_cursor; 250 int window_min; 251 int start_x; 252 int start_y; 253 int avg_dx; 254 int avg_dy; 255 int squelch_x; 256 int squelch_y; 257 int fingers_nb; 258 int tap_button; 259 int in_taphold; 260 int in_vscroll; 261 } synapticsaction_t; 262 263 enum { 264 TRACKPOINT_SYSCTL_SENSITIVITY, 265 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 266 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 267 TRACKPOINT_SYSCTL_BACKUP_RANGE, 268 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 269 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 270 TRACKPOINT_SYSCTL_UP_THRESHOLD, 271 TRACKPOINT_SYSCTL_THRESHOLD, 272 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 273 TRACKPOINT_SYSCTL_Z_TIME, 274 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 275 TRACKPOINT_SYSCTL_SKIP_BACKUPS 276 }; 277 278 typedef struct trackpointinfo { 279 struct sysctl_ctx_list sysctl_ctx; 280 struct sysctl_oid *sysctl_tree; 281 int sensitivity; 282 int inertia; 283 int uplateau; 284 int reach; 285 int draghys; 286 int mindrag; 287 int upthresh; 288 int threshold; 289 int jenks; 290 int ztime; 291 int pts; 292 int skipback; 293 } trackpointinfo_t; 294 295 /* driver control block */ 296 struct psm_softc { /* Driver status information */ 297 int unit; 298 struct selinfo rsel; /* Process selecting for Input */ 299 u_char state; /* Mouse driver state */ 300 int config; /* driver configuration flags */ 301 int flags; /* other flags */ 302 KBDC kbdc; /* handle to access kbd controller */ 303 struct resource *intr; /* IRQ resource */ 304 void *ih; /* interrupt handle */ 305 mousehw_t hw; /* hardware information */ 306 synapticshw_t synhw; /* Synaptics hardware information */ 307 synapticsinfo_t syninfo; /* Synaptics configuration */ 308 synapticsaction_t synaction; /* Synaptics action context */ 309 int tphw; /* TrackPoint hardware information */ 310 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 311 mousemode_t mode; /* operation mode */ 312 mousemode_t dflt_mode; /* default operation mode */ 313 mousestatus_t status; /* accumulated mouse movement */ 314 ringbuf_t queue; /* mouse status queue */ 315 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 316 int pqueue_start; /* start of data in queue */ 317 int pqueue_end; /* end of data in queue */ 318 int button; /* the latest button state */ 319 int xold; /* previous absolute X position */ 320 int yold; /* previous absolute Y position */ 321 int xaverage; /* average X position */ 322 int yaverage; /* average Y position */ 323 int squelch; /* level to filter movement at low speed */ 324 int zmax; /* maximum pressure value for touchpads */ 325 int syncerrors; /* # of bytes discarded to synchronize */ 326 int pkterrors; /* # of packets failed during quaranteen. */ 327 struct timeval inputtimeout; 328 struct timeval lastsoftintr; /* time of last soft interrupt */ 329 struct timeval lastinputerr; /* time last sync error happened */ 330 struct timeval taptimeout; /* tap timeout for touchpads */ 331 int watchdog; /* watchdog timer flag */ 332 struct callout callout; /* watchdog timer call out */ 333 struct callout softcallout; /* buffer timer call out */ 334 struct cdev *dev; 335 struct cdev *bdev; 336 int lasterr; 337 int cmdcount; 338 struct sigio *async; /* Processes waiting for SIGIO */ 339 }; 340 static devclass_t psm_devclass; 341 342 /* driver state flags (state) */ 343 #define PSM_VALID 0x80 344 #define PSM_OPEN 1 /* Device is open */ 345 #define PSM_ASLP 2 /* Waiting for mouse data */ 346 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 347 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 348 349 /* driver configuration flags (config) */ 350 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 351 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 352 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 353 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 354 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 355 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 356 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 357 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 358 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 359 360 #define PSM_CONFIG_FLAGS \ 361 (PSM_CONFIG_RESOLUTION | \ 362 PSM_CONFIG_ACCEL | \ 363 PSM_CONFIG_NOCHECKSYNC | \ 364 PSM_CONFIG_NOIDPROBE | \ 365 PSM_CONFIG_NORESET | \ 366 PSM_CONFIG_FORCETAP | \ 367 PSM_CONFIG_IGNPORTERROR | \ 368 PSM_CONFIG_HOOKRESUME | \ 369 PSM_CONFIG_INITAFTERSUSPEND) 370 371 /* other flags (flags) */ 372 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 373 374 #define kbdcp(p) ((atkbdc_softc_t *)(p)) 375 #define ALWAYS_RESTORE_CONTROLLER(kbdc) !(kbdcp(kbdc)->quirks \ 376 & KBDC_QUIRK_KEEP_ACTIVATED) 377 378 /* Tunables */ 379 static int tap_enabled = -1; 380 TUNABLE_INT("hw.psm.tap_enabled", &tap_enabled); 381 382 static int synaptics_support = 0; 383 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 384 385 static int trackpoint_support = 0; 386 TUNABLE_INT("hw.psm.trackpoint_support", &trackpoint_support); 387 388 static int verbose = PSM_DEBUG; 389 TUNABLE_INT("debug.psm.loglevel", &verbose); 390 391 /* for backward compatibility */ 392 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 393 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 394 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 395 396 typedef struct old_mousehw { 397 int buttons; 398 int iftype; 399 int type; 400 int hwid; 401 } old_mousehw_t; 402 403 typedef struct old_mousemode { 404 int protocol; 405 int rate; 406 int resolution; 407 int accelfactor; 408 } old_mousemode_t; 409 410 /* packet formatting function */ 411 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 412 mousestatus_t *); 413 414 /* function prototypes */ 415 static void psmidentify(driver_t *, device_t); 416 static int psmprobe(device_t); 417 static int psmattach(device_t); 418 static int psmdetach(device_t); 419 static int psmresume(device_t); 420 421 static d_open_t psmopen; 422 static d_close_t psmclose; 423 static d_read_t psmread; 424 static d_write_t psmwrite; 425 static d_ioctl_t psmioctl; 426 static d_poll_t psmpoll; 427 428 static int enable_aux_dev(KBDC); 429 static int disable_aux_dev(KBDC); 430 static int get_mouse_status(KBDC, int *, int, int); 431 static int get_aux_id(KBDC); 432 static int set_mouse_sampling_rate(KBDC, int); 433 static int set_mouse_scaling(KBDC, int); 434 static int set_mouse_resolution(KBDC, int); 435 static int set_mouse_mode(KBDC); 436 static int get_mouse_buttons(KBDC); 437 static int is_a_mouse(int); 438 static void recover_from_error(KBDC); 439 static int restore_controller(KBDC, int); 440 static int doinitialize(struct psm_softc *, mousemode_t *); 441 static int doopen(struct psm_softc *, int); 442 static int reinitialize(struct psm_softc *, int); 443 static char *model_name(int); 444 static void psmsoftintr(void *); 445 static void psmintr(void *); 446 static void psmtimeout(void *); 447 static int timeelapsed(const struct timeval *, int, int, 448 const struct timeval *); 449 static void dropqueue(struct psm_softc *); 450 static void flushpackets(struct psm_softc *); 451 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 452 mousestatus_t *, int *, int *, int *); 453 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 454 mousestatus_t *, int *, int *, int *); 455 static void proc_versapad(struct psm_softc *, packetbuf_t *, 456 mousestatus_t *, int *, int *, int *); 457 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 458 u_char *); 459 460 /* vendor specific features */ 461 typedef int probefunc_t(KBDC, struct psm_softc *); 462 463 static int mouse_id_proc1(KBDC, int, int, int *); 464 static int mouse_ext_command(KBDC, int); 465 466 static probefunc_t enable_groller; 467 static probefunc_t enable_gmouse; 468 static probefunc_t enable_aglide; 469 static probefunc_t enable_kmouse; 470 static probefunc_t enable_msexplorer; 471 static probefunc_t enable_msintelli; 472 static probefunc_t enable_4dmouse; 473 static probefunc_t enable_4dplus; 474 static probefunc_t enable_mmanplus; 475 static probefunc_t enable_synaptics; 476 static probefunc_t enable_trackpoint; 477 static probefunc_t enable_versapad; 478 479 static struct { 480 int model; 481 u_char syncmask; 482 int packetsize; 483 probefunc_t *probefunc; 484 } vendortype[] = { 485 /* 486 * WARNING: the order of probe is very important. Don't mess it 487 * unless you know what you are doing. 488 */ 489 { MOUSE_MODEL_NET, /* Genius NetMouse */ 490 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 491 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 492 0xc8, 6, enable_groller }, 493 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 494 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 495 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 496 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 497 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 498 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 499 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 500 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 501 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 502 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 503 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 504 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 505 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 506 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 507 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 508 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 509 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 510 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 511 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 512 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 513 { MOUSE_MODEL_GENERIC, 514 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 515 }; 516 #define GENERIC_MOUSE_ENTRY \ 517 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 518 519 /* device driver declarateion */ 520 static device_method_t psm_methods[] = { 521 /* Device interface */ 522 DEVMETHOD(device_identify, psmidentify), 523 DEVMETHOD(device_probe, psmprobe), 524 DEVMETHOD(device_attach, psmattach), 525 DEVMETHOD(device_detach, psmdetach), 526 DEVMETHOD(device_resume, psmresume), 527 528 { 0, 0 } 529 }; 530 531 static driver_t psm_driver = { 532 PSM_DRIVER_NAME, 533 psm_methods, 534 sizeof(struct psm_softc), 535 }; 536 537 static struct cdevsw psm_cdevsw = { 538 .d_version = D_VERSION, 539 .d_flags = D_NEEDGIANT, 540 .d_open = psmopen, 541 .d_close = psmclose, 542 .d_read = psmread, 543 .d_write = psmwrite, 544 .d_ioctl = psmioctl, 545 .d_poll = psmpoll, 546 .d_name = PSM_DRIVER_NAME, 547 }; 548 549 /* device I/O routines */ 550 static int 551 enable_aux_dev(KBDC kbdc) 552 { 553 int res; 554 555 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 556 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 557 558 return (res == PSM_ACK); 559 } 560 561 static int 562 disable_aux_dev(KBDC kbdc) 563 { 564 int res; 565 566 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 567 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 568 569 return (res == PSM_ACK); 570 } 571 572 static int 573 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 574 { 575 int cmd; 576 int res; 577 int i; 578 579 switch (flag) { 580 case 0: 581 default: 582 cmd = PSMC_SEND_DEV_STATUS; 583 break; 584 case 1: 585 cmd = PSMC_SEND_DEV_DATA; 586 break; 587 } 588 empty_aux_buffer(kbdc, 5); 589 res = send_aux_command(kbdc, cmd); 590 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 591 (flag == 1) ? "DATA" : "STATUS", res)); 592 if (res != PSM_ACK) 593 return (0); 594 595 for (i = 0; i < len; ++i) { 596 status[i] = read_aux_data(kbdc); 597 if (status[i] < 0) 598 break; 599 } 600 601 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 602 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 603 604 return (i); 605 } 606 607 static int 608 get_aux_id(KBDC kbdc) 609 { 610 int res; 611 int id; 612 613 empty_aux_buffer(kbdc, 5); 614 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 615 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 616 if (res != PSM_ACK) 617 return (-1); 618 619 /* 10ms delay */ 620 DELAY(10000); 621 622 id = read_aux_data(kbdc); 623 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 624 625 return (id); 626 } 627 628 static int 629 set_mouse_sampling_rate(KBDC kbdc, int rate) 630 { 631 int res; 632 633 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 634 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 635 636 return ((res == PSM_ACK) ? rate : -1); 637 } 638 639 static int 640 set_mouse_scaling(KBDC kbdc, int scale) 641 { 642 int res; 643 644 switch (scale) { 645 case 1: 646 default: 647 scale = PSMC_SET_SCALING11; 648 break; 649 case 2: 650 scale = PSMC_SET_SCALING21; 651 break; 652 } 653 res = send_aux_command(kbdc, scale); 654 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 655 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 656 657 return (res == PSM_ACK); 658 } 659 660 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 661 static int 662 set_mouse_resolution(KBDC kbdc, int val) 663 { 664 int res; 665 666 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 667 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 668 669 return ((res == PSM_ACK) ? val : -1); 670 } 671 672 /* 673 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 674 * re-enabled by calling `enable_aux_dev()' 675 */ 676 static int 677 set_mouse_mode(KBDC kbdc) 678 { 679 int res; 680 681 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 682 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 683 684 return (res == PSM_ACK); 685 } 686 687 static int 688 get_mouse_buttons(KBDC kbdc) 689 { 690 int c = 2; /* assume two buttons by default */ 691 int status[3]; 692 693 /* 694 * NOTE: a special sequence to obtain Logitech Mouse specific 695 * information: set resolution to 25 ppi, set scaling to 1:1, set 696 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 697 * mouse status bytes is the number of available buttons. 698 * Some manufactures also support this sequence. 699 */ 700 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 701 return (c); 702 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 703 set_mouse_scaling(kbdc, 1) && 704 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 705 return (status[1]); 706 return (c); 707 } 708 709 /* misc subroutines */ 710 /* 711 * Someday, I will get the complete list of valid pointing devices and 712 * their IDs... XXX 713 */ 714 static int 715 is_a_mouse(int id) 716 { 717 #if 0 718 static int valid_ids[] = { 719 PSM_MOUSE_ID, /* mouse */ 720 PSM_BALLPOINT_ID, /* ballpoint device */ 721 PSM_INTELLI_ID, /* Intellimouse */ 722 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 723 -1 /* end of table */ 724 }; 725 int i; 726 727 for (i = 0; valid_ids[i] >= 0; ++i) 728 if (valid_ids[i] == id) 729 return (TRUE); 730 return (FALSE); 731 #else 732 return (TRUE); 733 #endif 734 } 735 736 static char * 737 model_name(int model) 738 { 739 static struct { 740 int model_code; 741 char *model_name; 742 } models[] = { 743 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 744 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 745 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 746 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 747 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 748 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 749 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 750 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 751 { MOUSE_MODEL_4D, "4D Mouse" }, 752 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 753 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 754 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 755 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 756 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 757 }; 758 int i; 759 760 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 761 if (models[i].model_code == model) 762 break; 763 return (models[i].model_name); 764 } 765 766 static void 767 recover_from_error(KBDC kbdc) 768 { 769 /* discard anything left in the output buffer */ 770 empty_both_buffers(kbdc, 10); 771 772 #if 0 773 /* 774 * NOTE: KBDC_RESET_KBD may not restore the communication between the 775 * keyboard and the controller. 776 */ 777 reset_kbd(kbdc); 778 #else 779 /* 780 * NOTE: somehow diagnostic and keyboard port test commands bring the 781 * keyboard back. 782 */ 783 if (!test_controller(kbdc)) 784 log(LOG_ERR, "psm: keyboard controller failed.\n"); 785 /* if there isn't a keyboard in the system, the following error is OK */ 786 if (test_kbd_port(kbdc) != 0) 787 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 788 #endif 789 } 790 791 static int 792 restore_controller(KBDC kbdc, int command_byte) 793 { 794 empty_both_buffers(kbdc, 10); 795 796 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 797 log(LOG_ERR, "psm: failed to restore the keyboard controller " 798 "command byte.\n"); 799 empty_both_buffers(kbdc, 10); 800 return (FALSE); 801 } else { 802 empty_both_buffers(kbdc, 10); 803 return (TRUE); 804 } 805 } 806 807 /* 808 * Re-initialize the aux port and device. The aux port must be enabled 809 * and its interrupt must be disabled before calling this routine. 810 * The aux device will be disabled before returning. 811 * The keyboard controller must be locked via `kbdc_lock()' before 812 * calling this routine. 813 */ 814 static int 815 doinitialize(struct psm_softc *sc, mousemode_t *mode) 816 { 817 KBDC kbdc = sc->kbdc; 818 int stat[3]; 819 int i; 820 821 switch((i = test_aux_port(kbdc))) { 822 case 1: /* ignore these errors */ 823 case 2: 824 case 3: 825 case PSM_ACK: 826 if (verbose) 827 log(LOG_DEBUG, 828 "psm%d: strange result for test aux port (%d).\n", 829 sc->unit, i); 830 /* FALLTHROUGH */ 831 case 0: /* no error */ 832 break; 833 case -1: /* time out */ 834 default: /* error */ 835 recover_from_error(kbdc); 836 if (sc->config & PSM_CONFIG_IGNPORTERROR) 837 break; 838 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 839 sc->unit, i); 840 return (FALSE); 841 } 842 843 if (sc->config & PSM_CONFIG_NORESET) { 844 /* 845 * Don't try to reset the pointing device. It may possibly 846 * be left in the unknown state, though... 847 */ 848 } else { 849 /* 850 * NOTE: some controllers appears to hang the `keyboard' when 851 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 852 */ 853 if (!reset_aux_dev(kbdc)) { 854 recover_from_error(kbdc); 855 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 856 sc->unit); 857 return (FALSE); 858 } 859 } 860 861 /* 862 * both the aux port and the aux device is functioning, see 863 * if the device can be enabled. 864 */ 865 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 866 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 867 sc->unit); 868 return (FALSE); 869 } 870 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 871 872 /* Re-enable the mouse. */ 873 for (i = 0; vendortype[i].probefunc != NULL; ++i) 874 if (vendortype[i].model == sc->hw.model) 875 (*vendortype[i].probefunc)(sc->kbdc, NULL); 876 877 /* set mouse parameters */ 878 if (mode != (mousemode_t *)NULL) { 879 if (mode->rate > 0) 880 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 881 if (mode->resolution >= 0) 882 mode->resolution = 883 set_mouse_resolution(kbdc, mode->resolution); 884 set_mouse_scaling(kbdc, 1); 885 set_mouse_mode(kbdc); 886 } 887 888 /* Record sync on the next data packet we see. */ 889 sc->flags |= PSM_NEED_SYNCBITS; 890 891 /* just check the status of the mouse */ 892 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 893 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 894 sc->unit); 895 896 return (TRUE); 897 } 898 899 static int 900 doopen(struct psm_softc *sc, int command_byte) 901 { 902 int stat[3]; 903 904 /* 905 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 906 * no obvious reason. Thus we check the current mode and restore the 907 * Absolute Mode if it was cleared. 908 * 909 * The previous hack at the end of psmprobe() wasn't efficient when 910 * moused(8) was restarted. 911 * 912 * A Reset (FF) or Set Defaults (F6) command would clear the 913 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 914 * doesn't show any evidence of such a command. 915 */ 916 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 917 mouse_ext_command(sc->kbdc, 1); 918 get_mouse_status(sc->kbdc, stat, 0, 3); 919 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 920 stat[1] == 0x47) && 921 stat[2] == 0x40) { 922 /* Set the mode byte -- request wmode where 923 * available */ 924 if (sc->synhw.capExtended) 925 mouse_ext_command(sc->kbdc, 0xc1); 926 else 927 mouse_ext_command(sc->kbdc, 0xc0); 928 set_mouse_sampling_rate(sc->kbdc, 20); 929 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 930 "hopefully restored\n", 931 sc->unit)); 932 } 933 } 934 935 /* 936 * A user may want to disable tap and drag gestures on a Synaptics 937 * TouchPad when it operates in Relative Mode. 938 */ 939 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 940 if (tap_enabled > 0) { 941 /* 942 * Enable tap & drag gestures. We use a Mode Byte 943 * and clear the DisGest bit (see §2.5 of Synaptics 944 * TouchPad Interfacing Guide). 945 */ 946 VLOG(2, (LOG_DEBUG, 947 "psm%d: enable tap and drag gestures\n", 948 sc->unit)); 949 mouse_ext_command(sc->kbdc, 0x00); 950 set_mouse_sampling_rate(sc->kbdc, 20); 951 } else if (tap_enabled == 0) { 952 /* 953 * Disable tap & drag gestures. We use a Mode Byte 954 * and set the DisGest bit (see §2.5 of Synaptics 955 * TouchPad Interfacing Guide). 956 */ 957 VLOG(2, (LOG_DEBUG, 958 "psm%d: disable tap and drag gestures\n", 959 sc->unit)); 960 mouse_ext_command(sc->kbdc, 0x04); 961 set_mouse_sampling_rate(sc->kbdc, 20); 962 } 963 } 964 965 /* enable the mouse device */ 966 if (!enable_aux_dev(sc->kbdc)) { 967 /* MOUSE ERROR: failed to enable the mouse because: 968 * 1) the mouse is faulty, 969 * 2) the mouse has been removed(!?) 970 * In the latter case, the keyboard may have hung, and need 971 * recovery procedure... 972 */ 973 recover_from_error(sc->kbdc); 974 #if 0 975 /* FIXME: we could reset the mouse here and try to enable 976 * it again. But it will take long time and it's not a good 977 * idea to disable the keyboard that long... 978 */ 979 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 980 recover_from_error(sc->kbdc); 981 #else 982 { 983 #endif 984 restore_controller(sc->kbdc, command_byte); 985 /* mark this device is no longer available */ 986 sc->state &= ~PSM_VALID; 987 log(LOG_ERR, 988 "psm%d: failed to enable the device (doopen).\n", 989 sc->unit); 990 return (EIO); 991 } 992 } 993 994 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 995 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 996 sc->unit); 997 998 /* enable the aux port and interrupt */ 999 if (!set_controller_command_byte(sc->kbdc, 1000 kbdc_get_device_mask(sc->kbdc), 1001 (command_byte & KBD_KBD_CONTROL_BITS) | 1002 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1003 /* CONTROLLER ERROR */ 1004 disable_aux_dev(sc->kbdc); 1005 restore_controller(sc->kbdc, command_byte); 1006 log(LOG_ERR, 1007 "psm%d: failed to enable the aux interrupt (doopen).\n", 1008 sc->unit); 1009 return (EIO); 1010 } 1011 1012 /* start the watchdog timer */ 1013 sc->watchdog = FALSE; 1014 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1015 1016 return (0); 1017 } 1018 1019 static int 1020 reinitialize(struct psm_softc *sc, int doinit) 1021 { 1022 int err; 1023 int c; 1024 int s; 1025 1026 /* don't let anybody mess with the aux device */ 1027 if (!kbdc_lock(sc->kbdc, TRUE)) 1028 return (EIO); 1029 s = spltty(); 1030 1031 /* block our watchdog timer */ 1032 sc->watchdog = FALSE; 1033 callout_stop(&sc->callout); 1034 1035 /* save the current controller command byte */ 1036 empty_both_buffers(sc->kbdc, 10); 1037 c = get_controller_command_byte(sc->kbdc); 1038 VLOG(2, (LOG_DEBUG, 1039 "psm%d: current command byte: %04x (reinitialize).\n", 1040 sc->unit, c)); 1041 1042 /* enable the aux port but disable the aux interrupt and the keyboard */ 1043 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1044 kbdc_get_device_mask(sc->kbdc), 1045 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1046 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1047 /* CONTROLLER ERROR */ 1048 splx(s); 1049 kbdc_lock(sc->kbdc, FALSE); 1050 log(LOG_ERR, 1051 "psm%d: unable to set the command byte (reinitialize).\n", 1052 sc->unit); 1053 return (EIO); 1054 } 1055 1056 /* flush any data */ 1057 if (sc->state & PSM_VALID) { 1058 /* this may fail; but never mind... */ 1059 disable_aux_dev(sc->kbdc); 1060 empty_aux_buffer(sc->kbdc, 10); 1061 } 1062 flushpackets(sc); 1063 sc->syncerrors = 0; 1064 sc->pkterrors = 0; 1065 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1066 1067 /* try to detect the aux device; are you still there? */ 1068 err = 0; 1069 if (doinit) { 1070 if (doinitialize(sc, &sc->mode)) { 1071 /* yes */ 1072 sc->state |= PSM_VALID; 1073 } else { 1074 /* the device has gone! */ 1075 restore_controller(sc->kbdc, c); 1076 sc->state &= ~PSM_VALID; 1077 log(LOG_ERR, 1078 "psm%d: the aux device has gone! (reinitialize).\n", 1079 sc->unit); 1080 err = ENXIO; 1081 } 1082 } 1083 splx(s); 1084 1085 /* restore the driver state */ 1086 if ((sc->state & PSM_OPEN) && (err == 0)) { 1087 /* enable the aux device and the port again */ 1088 err = doopen(sc, c); 1089 if (err != 0) 1090 log(LOG_ERR, "psm%d: failed to enable the device " 1091 "(reinitialize).\n", sc->unit); 1092 } else { 1093 /* restore the keyboard port and disable the aux port */ 1094 if (!set_controller_command_byte(sc->kbdc, 1095 kbdc_get_device_mask(sc->kbdc), 1096 (c & KBD_KBD_CONTROL_BITS) | 1097 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1098 /* CONTROLLER ERROR */ 1099 log(LOG_ERR, "psm%d: failed to disable the aux port " 1100 "(reinitialize).\n", sc->unit); 1101 err = EIO; 1102 } 1103 } 1104 1105 kbdc_lock(sc->kbdc, FALSE); 1106 return (err); 1107 } 1108 1109 /* psm driver entry points */ 1110 1111 static void 1112 psmidentify(driver_t *driver, device_t parent) 1113 { 1114 device_t psmc; 1115 device_t psm; 1116 u_long irq; 1117 int unit; 1118 1119 unit = device_get_unit(parent); 1120 1121 /* always add at least one child */ 1122 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1123 if (psm == NULL) 1124 return; 1125 1126 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1127 if (irq > 0) 1128 return; 1129 1130 /* 1131 * If the PS/2 mouse device has already been reported by ACPI or 1132 * PnP BIOS, obtain the IRQ resource from it. 1133 * (See psmcpnp_attach() below.) 1134 */ 1135 psmc = device_find_child(device_get_parent(parent), 1136 PSMCPNP_DRIVER_NAME, unit); 1137 if (psmc == NULL) 1138 return; 1139 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1140 if (irq <= 0) 1141 return; 1142 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1143 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1144 } 1145 1146 #define endprobe(v) do { \ 1147 if (bootverbose) \ 1148 --verbose; \ 1149 kbdc_set_device_mask(sc->kbdc, mask); \ 1150 kbdc_lock(sc->kbdc, FALSE); \ 1151 return (v); \ 1152 } while (0) 1153 1154 static int 1155 psmprobe(device_t dev) 1156 { 1157 int unit = device_get_unit(dev); 1158 struct psm_softc *sc = device_get_softc(dev); 1159 int stat[3]; 1160 int command_byte; 1161 int mask; 1162 int rid; 1163 int i; 1164 1165 #if 0 1166 kbdc_debug(TRUE); 1167 #endif 1168 1169 /* see if IRQ is available */ 1170 rid = KBDC_RID_AUX; 1171 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1172 if (sc->intr == NULL) { 1173 if (bootverbose) 1174 device_printf(dev, "unable to allocate IRQ\n"); 1175 return (ENXIO); 1176 } 1177 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1178 1179 sc->unit = unit; 1180 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1181 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1182 /* XXX: for backward compatibility */ 1183 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1184 sc->config |= 1185 #ifdef PSM_RESETAFTERSUSPEND 1186 PSM_CONFIG_INITAFTERSUSPEND; 1187 #else 1188 PSM_CONFIG_HOOKRESUME; 1189 #endif 1190 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1191 sc->flags = 0; 1192 if (bootverbose) 1193 ++verbose; 1194 1195 device_set_desc(dev, "PS/2 Mouse"); 1196 1197 if (!kbdc_lock(sc->kbdc, TRUE)) { 1198 printf("psm%d: unable to lock the controller.\n", unit); 1199 if (bootverbose) 1200 --verbose; 1201 return (ENXIO); 1202 } 1203 1204 /* 1205 * NOTE: two bits in the command byte controls the operation of the 1206 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1207 * port interrupt (IRQ 12) enable bit (bit 2). 1208 */ 1209 1210 /* discard anything left after the keyboard initialization */ 1211 empty_both_buffers(sc->kbdc, 10); 1212 1213 /* save the current command byte; it will be used later */ 1214 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1215 command_byte = get_controller_command_byte(sc->kbdc); 1216 if (verbose) 1217 printf("psm%d: current command byte:%04x\n", unit, 1218 command_byte); 1219 if (command_byte == -1) { 1220 /* CONTROLLER ERROR */ 1221 printf("psm%d: unable to get the current command byte value.\n", 1222 unit); 1223 endprobe(ENXIO); 1224 } 1225 1226 /* 1227 * disable the keyboard port while probing the aux port, which must be 1228 * enabled during this routine 1229 */ 1230 if (!set_controller_command_byte(sc->kbdc, 1231 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1232 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1233 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1234 /* 1235 * this is CONTROLLER ERROR; I don't know how to recover 1236 * from this error... 1237 */ 1238 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1239 restore_controller(sc->kbdc, command_byte); 1240 printf("psm%d: unable to set the command byte.\n", unit); 1241 endprobe(ENXIO); 1242 } 1243 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1244 1245 /* 1246 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1247 * port exists and is functioning. However, some controllers appears 1248 * to respond with zero even when the aux port doesn't exist. (It may 1249 * be that this is only the case when the controller DOES have the aux 1250 * port but the port is not wired on the motherboard.) The keyboard 1251 * controllers without the port, such as the original AT, are 1252 * supposed to return with an error code or simply time out. In any 1253 * case, we have to continue probing the port even when the controller 1254 * passes this test. 1255 * 1256 * XXX: some controllers erroneously return the error code 1, 2 or 3 1257 * when it has a perfectly functional aux port. We have to ignore 1258 * this error code. Even if the controller HAS error with the aux 1259 * port, it will be detected later... 1260 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1261 */ 1262 switch ((i = test_aux_port(sc->kbdc))) { 1263 case 1: /* ignore these errors */ 1264 case 2: 1265 case 3: 1266 case PSM_ACK: 1267 if (verbose) 1268 printf("psm%d: strange result for test aux port " 1269 "(%d).\n", unit, i); 1270 /* FALLTHROUGH */ 1271 case 0: /* no error */ 1272 break; 1273 case -1: /* time out */ 1274 default: /* error */ 1275 recover_from_error(sc->kbdc); 1276 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1277 break; 1278 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1279 restore_controller(sc->kbdc, command_byte); 1280 if (verbose) 1281 printf("psm%d: the aux port is not functioning (%d).\n", 1282 unit, i); 1283 endprobe(ENXIO); 1284 } 1285 1286 if (sc->config & PSM_CONFIG_NORESET) { 1287 /* 1288 * Don't try to reset the pointing device. It may possibly be 1289 * left in an unknown state, though... 1290 */ 1291 } else { 1292 /* 1293 * NOTE: some controllers appears to hang the `keyboard' when 1294 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1295 * 1296 * Attempt to reset the controller twice -- this helps 1297 * pierce through some KVM switches. The second reset 1298 * is non-fatal. 1299 */ 1300 if (!reset_aux_dev(sc->kbdc)) { 1301 recover_from_error(sc->kbdc); 1302 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1303 restore_controller(sc->kbdc, command_byte); 1304 if (verbose) 1305 printf("psm%d: failed to reset the aux " 1306 "device.\n", unit); 1307 endprobe(ENXIO); 1308 } else if (!reset_aux_dev(sc->kbdc)) { 1309 recover_from_error(sc->kbdc); 1310 if (verbose >= 2) 1311 printf("psm%d: failed to reset the aux device " 1312 "(2).\n", unit); 1313 } 1314 } 1315 1316 /* 1317 * both the aux port and the aux device are functioning, see if the 1318 * device can be enabled. NOTE: when enabled, the device will start 1319 * sending data; we shall immediately disable the device once we know 1320 * the device can be enabled. 1321 */ 1322 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1323 /* MOUSE ERROR */ 1324 recover_from_error(sc->kbdc); 1325 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1326 restore_controller(sc->kbdc, command_byte); 1327 if (verbose) 1328 printf("psm%d: failed to enable the aux device.\n", 1329 unit); 1330 endprobe(ENXIO); 1331 } 1332 1333 /* save the default values after reset */ 1334 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1335 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1336 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1337 } else { 1338 sc->dflt_mode.rate = sc->mode.rate = -1; 1339 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1340 } 1341 1342 /* hardware information */ 1343 sc->hw.iftype = MOUSE_IF_PS2; 1344 1345 /* verify the device is a mouse */ 1346 sc->hw.hwid = get_aux_id(sc->kbdc); 1347 if (!is_a_mouse(sc->hw.hwid)) { 1348 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1349 restore_controller(sc->kbdc, command_byte); 1350 if (verbose) 1351 printf("psm%d: unknown device type (%d).\n", unit, 1352 sc->hw.hwid); 1353 endprobe(ENXIO); 1354 } 1355 switch (sc->hw.hwid) { 1356 case PSM_BALLPOINT_ID: 1357 sc->hw.type = MOUSE_TRACKBALL; 1358 break; 1359 case PSM_MOUSE_ID: 1360 case PSM_INTELLI_ID: 1361 case PSM_EXPLORER_ID: 1362 case PSM_4DMOUSE_ID: 1363 case PSM_4DPLUS_ID: 1364 sc->hw.type = MOUSE_MOUSE; 1365 break; 1366 default: 1367 sc->hw.type = MOUSE_UNKNOWN; 1368 break; 1369 } 1370 1371 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1372 sc->hw.buttons = 2; 1373 i = GENERIC_MOUSE_ENTRY; 1374 } else { 1375 /* # of buttons */ 1376 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1377 1378 /* other parameters */ 1379 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1380 if ((*vendortype[i].probefunc)(sc->kbdc, sc)) { 1381 if (verbose >= 2) 1382 printf("psm%d: found %s\n", unit, 1383 model_name(vendortype[i].model)); 1384 break; 1385 } 1386 } 1387 1388 sc->hw.model = vendortype[i].model; 1389 1390 sc->dflt_mode.level = PSM_LEVEL_BASE; 1391 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1392 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1393 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1394 sc->dflt_mode.syncmask[0] = 0; 1395 else 1396 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1397 if (sc->config & PSM_CONFIG_FORCETAP) 1398 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1399 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1400 sc->mode = sc->dflt_mode; 1401 sc->mode.packetsize = vendortype[i].packetsize; 1402 1403 /* set mouse parameters */ 1404 #if 0 1405 /* 1406 * A version of Logitech FirstMouse+ won't report wheel movement, 1407 * if SET_DEFAULTS is sent... Don't use this command. 1408 * This fix was found by Takashi Nishida. 1409 */ 1410 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1411 if (verbose >= 2) 1412 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1413 #endif 1414 if (sc->config & PSM_CONFIG_RESOLUTION) 1415 sc->mode.resolution = 1416 set_mouse_resolution(sc->kbdc, 1417 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1418 else if (sc->mode.resolution >= 0) 1419 sc->mode.resolution = 1420 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1421 if (sc->mode.rate > 0) 1422 sc->mode.rate = 1423 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1424 set_mouse_scaling(sc->kbdc, 1); 1425 1426 /* Record sync on the next data packet we see. */ 1427 sc->flags |= PSM_NEED_SYNCBITS; 1428 1429 /* just check the status of the mouse */ 1430 /* 1431 * NOTE: XXX there are some arcane controller/mouse combinations out 1432 * there, which hung the controller unless there is data transmission 1433 * after ACK from the mouse. 1434 */ 1435 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1436 printf("psm%d: failed to get status.\n", unit); 1437 else { 1438 /* 1439 * When in its native mode, some mice operate with different 1440 * default parameters than in the PS/2 compatible mode. 1441 */ 1442 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1443 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1444 } 1445 1446 /* disable the aux port for now... */ 1447 if (!set_controller_command_byte(sc->kbdc, 1448 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1449 (command_byte & KBD_KBD_CONTROL_BITS) | 1450 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1451 /* 1452 * this is CONTROLLER ERROR; I don't know the proper way to 1453 * recover from this error... 1454 */ 1455 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1456 restore_controller(sc->kbdc, command_byte); 1457 printf("psm%d: unable to set the command byte.\n", unit); 1458 endprobe(ENXIO); 1459 } 1460 1461 /* done */ 1462 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1463 kbdc_lock(sc->kbdc, FALSE); 1464 return (0); 1465 } 1466 1467 static int 1468 psmattach(device_t dev) 1469 { 1470 int unit = device_get_unit(dev); 1471 struct psm_softc *sc = device_get_softc(dev); 1472 int error; 1473 int rid; 1474 1475 /* Setup initial state */ 1476 sc->state = PSM_VALID; 1477 callout_init(&sc->callout, 0); 1478 callout_init(&sc->softcallout, 0); 1479 1480 /* Setup our interrupt handler */ 1481 rid = KBDC_RID_AUX; 1482 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1483 if (sc->intr == NULL) 1484 return (ENXIO); 1485 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1486 &sc->ih); 1487 if (error) { 1488 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1489 return (error); 1490 } 1491 1492 /* Done */ 1493 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1494 sc->dev->si_drv1 = sc; 1495 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1496 sc->bdev->si_drv1 = sc; 1497 1498 /* Some touchpad devices need full reinitialization after suspend. */ 1499 switch (sc->hw.model) { 1500 case MOUSE_MODEL_SYNAPTICS: 1501 case MOUSE_MODEL_GLIDEPOINT: 1502 case MOUSE_MODEL_VERSAPAD: 1503 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1504 break; 1505 default: 1506 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 1507 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1508 break; 1509 } 1510 1511 if (!verbose) 1512 printf("psm%d: model %s, device ID %d\n", 1513 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1514 else { 1515 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1516 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1517 sc->hw.hwid >> 8, sc->hw.buttons); 1518 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1519 unit, sc->config, sc->flags, sc->mode.packetsize); 1520 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1521 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1522 } 1523 1524 if (bootverbose) 1525 --verbose; 1526 1527 return (0); 1528 } 1529 1530 static int 1531 psmdetach(device_t dev) 1532 { 1533 struct psm_softc *sc; 1534 int rid; 1535 1536 sc = device_get_softc(dev); 1537 if (sc->state & PSM_OPEN) 1538 return (EBUSY); 1539 1540 rid = KBDC_RID_AUX; 1541 bus_teardown_intr(dev, sc->intr, sc->ih); 1542 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1543 1544 destroy_dev(sc->dev); 1545 destroy_dev(sc->bdev); 1546 1547 callout_drain(&sc->callout); 1548 callout_drain(&sc->softcallout); 1549 1550 return (0); 1551 } 1552 1553 static int 1554 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1555 { 1556 struct psm_softc *sc; 1557 int command_byte; 1558 int err; 1559 int s; 1560 1561 /* Get device data */ 1562 sc = dev->si_drv1; 1563 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1564 /* the device is no longer valid/functioning */ 1565 return (ENXIO); 1566 } 1567 1568 /* Disallow multiple opens */ 1569 if (sc->state & PSM_OPEN) 1570 return (EBUSY); 1571 1572 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1573 1574 /* Initialize state */ 1575 sc->mode.level = sc->dflt_mode.level; 1576 sc->mode.protocol = sc->dflt_mode.protocol; 1577 sc->watchdog = FALSE; 1578 sc->async = NULL; 1579 1580 /* flush the event queue */ 1581 sc->queue.count = 0; 1582 sc->queue.head = 0; 1583 sc->queue.tail = 0; 1584 sc->status.flags = 0; 1585 sc->status.button = 0; 1586 sc->status.obutton = 0; 1587 sc->status.dx = 0; 1588 sc->status.dy = 0; 1589 sc->status.dz = 0; 1590 sc->button = 0; 1591 sc->pqueue_start = 0; 1592 sc->pqueue_end = 0; 1593 1594 /* empty input buffer */ 1595 flushpackets(sc); 1596 sc->syncerrors = 0; 1597 sc->pkterrors = 0; 1598 1599 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1600 if (!kbdc_lock(sc->kbdc, TRUE)) 1601 return (EIO); 1602 1603 /* save the current controller command byte */ 1604 s = spltty(); 1605 command_byte = get_controller_command_byte(sc->kbdc); 1606 1607 /* enable the aux port and temporalily disable the keyboard */ 1608 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1609 kbdc_get_device_mask(sc->kbdc), 1610 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1611 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1612 /* CONTROLLER ERROR; do you know how to get out of this? */ 1613 kbdc_lock(sc->kbdc, FALSE); 1614 splx(s); 1615 log(LOG_ERR, 1616 "psm%d: unable to set the command byte (psmopen).\n", 1617 sc->unit); 1618 return (EIO); 1619 } 1620 /* 1621 * Now that the keyboard controller is told not to generate 1622 * the keyboard and mouse interrupts, call `splx()' to allow 1623 * the other tty interrupts. The clock interrupt may also occur, 1624 * but timeout routines will be blocked by the poll flag set 1625 * via `kbdc_lock()' 1626 */ 1627 splx(s); 1628 1629 /* enable the mouse device */ 1630 err = doopen(sc, command_byte); 1631 1632 /* done */ 1633 if (err == 0) 1634 sc->state |= PSM_OPEN; 1635 kbdc_lock(sc->kbdc, FALSE); 1636 return (err); 1637 } 1638 1639 static int 1640 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1641 { 1642 struct psm_softc *sc = dev->si_drv1; 1643 int stat[3]; 1644 int command_byte; 1645 int s; 1646 1647 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1648 if (!kbdc_lock(sc->kbdc, TRUE)) 1649 return (EIO); 1650 1651 /* save the current controller command byte */ 1652 s = spltty(); 1653 command_byte = get_controller_command_byte(sc->kbdc); 1654 if (command_byte == -1) { 1655 kbdc_lock(sc->kbdc, FALSE); 1656 splx(s); 1657 return (EIO); 1658 } 1659 1660 /* disable the aux interrupt and temporalily disable the keyboard */ 1661 if (!set_controller_command_byte(sc->kbdc, 1662 kbdc_get_device_mask(sc->kbdc), 1663 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1664 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1665 log(LOG_ERR, 1666 "psm%d: failed to disable the aux int (psmclose).\n", 1667 sc->unit); 1668 /* CONTROLLER ERROR; 1669 * NOTE: we shall force our way through. Because the only 1670 * ill effect we shall see is that we may not be able 1671 * to read ACK from the mouse, and it doesn't matter much 1672 * so long as the mouse will accept the DISABLE command. 1673 */ 1674 } 1675 splx(s); 1676 1677 /* stop the watchdog timer */ 1678 callout_stop(&sc->callout); 1679 1680 /* remove anything left in the output buffer */ 1681 empty_aux_buffer(sc->kbdc, 10); 1682 1683 /* disable the aux device, port and interrupt */ 1684 if (sc->state & PSM_VALID) { 1685 if (!disable_aux_dev(sc->kbdc)) { 1686 /* MOUSE ERROR; 1687 * NOTE: we don't return (error) and continue, 1688 * pretending we have successfully disabled the device. 1689 * It's OK because the interrupt routine will discard 1690 * any data from the mouse hereafter. 1691 */ 1692 log(LOG_ERR, 1693 "psm%d: failed to disable the device (psmclose).\n", 1694 sc->unit); 1695 } 1696 1697 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1698 log(LOG_DEBUG, 1699 "psm%d: failed to get status (psmclose).\n", 1700 sc->unit); 1701 } 1702 1703 if (!set_controller_command_byte(sc->kbdc, 1704 kbdc_get_device_mask(sc->kbdc), 1705 (command_byte & KBD_KBD_CONTROL_BITS) | 1706 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1707 /* 1708 * CONTROLLER ERROR; 1709 * we shall ignore this error; see the above comment. 1710 */ 1711 log(LOG_ERR, 1712 "psm%d: failed to disable the aux port (psmclose).\n", 1713 sc->unit); 1714 } 1715 1716 /* remove anything left in the output buffer */ 1717 empty_aux_buffer(sc->kbdc, 10); 1718 1719 /* clean up and sigio requests */ 1720 if (sc->async != NULL) { 1721 funsetown(&sc->async); 1722 sc->async = NULL; 1723 } 1724 1725 /* close is almost always successful */ 1726 sc->state &= ~PSM_OPEN; 1727 kbdc_lock(sc->kbdc, FALSE); 1728 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1729 return (0); 1730 } 1731 1732 static int 1733 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1734 u_char *buf) 1735 { 1736 static u_char butmapps2[8] = { 1737 0, 1738 MOUSE_PS2_BUTTON1DOWN, 1739 MOUSE_PS2_BUTTON2DOWN, 1740 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1741 MOUSE_PS2_BUTTON3DOWN, 1742 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1743 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1744 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1745 MOUSE_PS2_BUTTON3DOWN, 1746 }; 1747 static u_char butmapmsc[8] = { 1748 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1749 MOUSE_MSC_BUTTON3UP, 1750 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1751 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1752 MOUSE_MSC_BUTTON3UP, 1753 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1754 MOUSE_MSC_BUTTON2UP, 1755 MOUSE_MSC_BUTTON1UP, 1756 0, 1757 }; 1758 int mapped; 1759 int i; 1760 1761 if (sc->mode.level == PSM_LEVEL_BASE) { 1762 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1763 if (status->button & MOUSE_BUTTON4DOWN) 1764 mapped |= MOUSE_BUTTON1DOWN; 1765 status->button = mapped; 1766 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1767 i = imax(imin(status->dx, 255), -256); 1768 if (i < 0) 1769 buf[0] |= MOUSE_PS2_XNEG; 1770 buf[1] = i; 1771 i = imax(imin(status->dy, 255), -256); 1772 if (i < 0) 1773 buf[0] |= MOUSE_PS2_YNEG; 1774 buf[2] = i; 1775 return (MOUSE_PS2_PACKETSIZE); 1776 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1777 buf[0] = MOUSE_MSC_SYNC | 1778 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1779 i = imax(imin(status->dx, 255), -256); 1780 buf[1] = i >> 1; 1781 buf[3] = i - buf[1]; 1782 i = imax(imin(status->dy, 255), -256); 1783 buf[2] = i >> 1; 1784 buf[4] = i - buf[2]; 1785 i = imax(imin(status->dz, 127), -128); 1786 buf[5] = (i >> 1) & 0x7f; 1787 buf[6] = (i - (i >> 1)) & 0x7f; 1788 buf[7] = (~status->button >> 3) & 0x7f; 1789 return (MOUSE_SYS_PACKETSIZE); 1790 } 1791 return (pb->inputbytes); 1792 } 1793 1794 static int 1795 psmread(struct cdev *dev, struct uio *uio, int flag) 1796 { 1797 struct psm_softc *sc = dev->si_drv1; 1798 u_char buf[PSM_SMALLBUFSIZE]; 1799 int error = 0; 1800 int s; 1801 int l; 1802 1803 if ((sc->state & PSM_VALID) == 0) 1804 return (EIO); 1805 1806 /* block until mouse activity occured */ 1807 s = spltty(); 1808 while (sc->queue.count <= 0) { 1809 if (dev != sc->bdev) { 1810 splx(s); 1811 return (EWOULDBLOCK); 1812 } 1813 sc->state |= PSM_ASLP; 1814 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1815 sc->state &= ~PSM_ASLP; 1816 if (error) { 1817 splx(s); 1818 return (error); 1819 } else if ((sc->state & PSM_VALID) == 0) { 1820 /* the device disappeared! */ 1821 splx(s); 1822 return (EIO); 1823 } 1824 } 1825 splx(s); 1826 1827 /* copy data to the user land */ 1828 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1829 s = spltty(); 1830 l = imin(sc->queue.count, uio->uio_resid); 1831 if (l > sizeof(buf)) 1832 l = sizeof(buf); 1833 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1834 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1835 sizeof(sc->queue.buf) - sc->queue.head); 1836 bcopy(&sc->queue.buf[0], 1837 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1838 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1839 } else 1840 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1841 sc->queue.count -= l; 1842 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1843 splx(s); 1844 error = uiomove(buf, l, uio); 1845 if (error) 1846 break; 1847 } 1848 1849 return (error); 1850 } 1851 1852 static int 1853 block_mouse_data(struct psm_softc *sc, int *c) 1854 { 1855 int s; 1856 1857 if (!kbdc_lock(sc->kbdc, TRUE)) 1858 return (EIO); 1859 1860 s = spltty(); 1861 *c = get_controller_command_byte(sc->kbdc); 1862 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1863 kbdc_get_device_mask(sc->kbdc), 1864 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1865 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1866 /* this is CONTROLLER ERROR */ 1867 splx(s); 1868 kbdc_lock(sc->kbdc, FALSE); 1869 return (EIO); 1870 } 1871 1872 /* 1873 * The device may be in the middle of status data transmission. 1874 * The transmission will be interrupted, thus, incomplete status 1875 * data must be discarded. Although the aux interrupt is disabled 1876 * at the keyboard controller level, at most one aux interrupt 1877 * may have already been pending and a data byte is in the 1878 * output buffer; throw it away. Note that the second argument 1879 * to `empty_aux_buffer()' is zero, so that the call will just 1880 * flush the internal queue. 1881 * `psmintr()' will be invoked after `splx()' if an interrupt is 1882 * pending; it will see no data and returns immediately. 1883 */ 1884 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1885 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1886 flushpackets(sc); 1887 splx(s); 1888 1889 return (0); 1890 } 1891 1892 static void 1893 dropqueue(struct psm_softc *sc) 1894 { 1895 1896 sc->queue.count = 0; 1897 sc->queue.head = 0; 1898 sc->queue.tail = 0; 1899 if ((sc->state & PSM_SOFTARMED) != 0) { 1900 sc->state &= ~PSM_SOFTARMED; 1901 callout_stop(&sc->softcallout); 1902 } 1903 sc->pqueue_start = sc->pqueue_end; 1904 } 1905 1906 static void 1907 flushpackets(struct psm_softc *sc) 1908 { 1909 1910 dropqueue(sc); 1911 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1912 } 1913 1914 static int 1915 unblock_mouse_data(struct psm_softc *sc, int c) 1916 { 1917 int error = 0; 1918 1919 /* 1920 * We may have seen a part of status data during `set_mouse_XXX()'. 1921 * they have been queued; flush it. 1922 */ 1923 empty_aux_buffer(sc->kbdc, 0); 1924 1925 /* restore ports and interrupt */ 1926 if (!set_controller_command_byte(sc->kbdc, 1927 kbdc_get_device_mask(sc->kbdc), 1928 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1929 /* 1930 * CONTROLLER ERROR; this is serious, we may have 1931 * been left with the inaccessible keyboard and 1932 * the disabled mouse interrupt. 1933 */ 1934 error = EIO; 1935 } 1936 1937 kbdc_lock(sc->kbdc, FALSE); 1938 return (error); 1939 } 1940 1941 static int 1942 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1943 { 1944 struct psm_softc *sc = dev->si_drv1; 1945 u_char buf[PSM_SMALLBUFSIZE]; 1946 int error = 0, i, l; 1947 1948 if ((sc->state & PSM_VALID) == 0) 1949 return (EIO); 1950 1951 if (sc->mode.level < PSM_LEVEL_NATIVE) 1952 return (ENODEV); 1953 1954 /* copy data from the user land */ 1955 while (uio->uio_resid > 0) { 1956 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1957 error = uiomove(buf, l, uio); 1958 if (error) 1959 break; 1960 for (i = 0; i < l; i++) { 1961 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1962 if (!write_aux_command(sc->kbdc, buf[i])) { 1963 VLOG(2, (LOG_DEBUG, 1964 "psm: cmd 0x%x failed.\n", buf[i])); 1965 return (reinitialize(sc, FALSE)); 1966 } 1967 } 1968 } 1969 1970 return (error); 1971 } 1972 1973 static int 1974 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1975 struct thread *td) 1976 { 1977 struct psm_softc *sc = dev->si_drv1; 1978 mousemode_t mode; 1979 mousestatus_t status; 1980 #if (defined(MOUSE_GETVARS)) 1981 mousevar_t *var; 1982 #endif 1983 mousedata_t *data; 1984 int stat[3]; 1985 int command_byte; 1986 int error = 0; 1987 int s; 1988 1989 /* Perform IOCTL command */ 1990 switch (cmd) { 1991 1992 case OLD_MOUSE_GETHWINFO: 1993 s = spltty(); 1994 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1995 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1996 ((old_mousehw_t *)addr)->type = sc->hw.type; 1997 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1998 splx(s); 1999 break; 2000 2001 case MOUSE_GETHWINFO: 2002 s = spltty(); 2003 *(mousehw_t *)addr = sc->hw; 2004 if (sc->mode.level == PSM_LEVEL_BASE) 2005 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2006 splx(s); 2007 break; 2008 2009 case MOUSE_SYN_GETHWINFO: 2010 s = spltty(); 2011 if (sc->synhw.infoMajor >= 4) 2012 *(synapticshw_t *)addr = sc->synhw; 2013 else 2014 error = EINVAL; 2015 splx(s); 2016 break; 2017 2018 case OLD_MOUSE_GETMODE: 2019 s = spltty(); 2020 switch (sc->mode.level) { 2021 case PSM_LEVEL_BASE: 2022 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2023 break; 2024 case PSM_LEVEL_STANDARD: 2025 ((old_mousemode_t *)addr)->protocol = 2026 MOUSE_PROTO_SYSMOUSE; 2027 break; 2028 case PSM_LEVEL_NATIVE: 2029 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2030 break; 2031 } 2032 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2033 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2034 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2035 splx(s); 2036 break; 2037 2038 case MOUSE_GETMODE: 2039 s = spltty(); 2040 *(mousemode_t *)addr = sc->mode; 2041 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2042 ((mousemode_t *)addr)->syncmask[0] = 0; 2043 ((mousemode_t *)addr)->syncmask[1] = 0; 2044 } 2045 ((mousemode_t *)addr)->resolution = 2046 MOUSE_RES_LOW - sc->mode.resolution; 2047 switch (sc->mode.level) { 2048 case PSM_LEVEL_BASE: 2049 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2050 ((mousemode_t *)addr)->packetsize = 2051 MOUSE_PS2_PACKETSIZE; 2052 break; 2053 case PSM_LEVEL_STANDARD: 2054 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2055 ((mousemode_t *)addr)->packetsize = 2056 MOUSE_SYS_PACKETSIZE; 2057 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2058 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2059 break; 2060 case PSM_LEVEL_NATIVE: 2061 /* FIXME: this isn't quite correct... XXX */ 2062 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2063 break; 2064 } 2065 splx(s); 2066 break; 2067 2068 case OLD_MOUSE_SETMODE: 2069 case MOUSE_SETMODE: 2070 if (cmd == OLD_MOUSE_SETMODE) { 2071 mode.rate = ((old_mousemode_t *)addr)->rate; 2072 /* 2073 * resolution old I/F new I/F 2074 * default 0 0 2075 * low 1 -2 2076 * medium low 2 -3 2077 * medium high 3 -4 2078 * high 4 -5 2079 */ 2080 if (((old_mousemode_t *)addr)->resolution > 0) 2081 mode.resolution = 2082 -((old_mousemode_t *)addr)->resolution - 1; 2083 else 2084 mode.resolution = 0; 2085 mode.accelfactor = 2086 ((old_mousemode_t *)addr)->accelfactor; 2087 mode.level = -1; 2088 } else 2089 mode = *(mousemode_t *)addr; 2090 2091 /* adjust and validate parameters. */ 2092 if (mode.rate > UCHAR_MAX) 2093 return (EINVAL); 2094 if (mode.rate == 0) 2095 mode.rate = sc->dflt_mode.rate; 2096 else if (mode.rate == -1) 2097 /* don't change the current setting */ 2098 ; 2099 else if (mode.rate < 0) 2100 return (EINVAL); 2101 if (mode.resolution >= UCHAR_MAX) 2102 return (EINVAL); 2103 if (mode.resolution >= 200) 2104 mode.resolution = MOUSE_RES_HIGH; 2105 else if (mode.resolution >= 100) 2106 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2107 else if (mode.resolution >= 50) 2108 mode.resolution = MOUSE_RES_MEDIUMLOW; 2109 else if (mode.resolution > 0) 2110 mode.resolution = MOUSE_RES_LOW; 2111 if (mode.resolution == MOUSE_RES_DEFAULT) 2112 mode.resolution = sc->dflt_mode.resolution; 2113 else if (mode.resolution == -1) 2114 /* don't change the current setting */ 2115 ; 2116 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2117 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2118 if (mode.level == -1) 2119 /* don't change the current setting */ 2120 mode.level = sc->mode.level; 2121 else if ((mode.level < PSM_LEVEL_MIN) || 2122 (mode.level > PSM_LEVEL_MAX)) 2123 return (EINVAL); 2124 if (mode.accelfactor == -1) 2125 /* don't change the current setting */ 2126 mode.accelfactor = sc->mode.accelfactor; 2127 else if (mode.accelfactor < 0) 2128 return (EINVAL); 2129 2130 /* don't allow anybody to poll the keyboard controller */ 2131 error = block_mouse_data(sc, &command_byte); 2132 if (error) 2133 return (error); 2134 2135 /* set mouse parameters */ 2136 if (mode.rate > 0) 2137 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2138 mode.rate); 2139 if (mode.resolution >= 0) 2140 mode.resolution = 2141 set_mouse_resolution(sc->kbdc, mode.resolution); 2142 set_mouse_scaling(sc->kbdc, 1); 2143 get_mouse_status(sc->kbdc, stat, 0, 3); 2144 2145 s = spltty(); 2146 sc->mode.rate = mode.rate; 2147 sc->mode.resolution = mode.resolution; 2148 sc->mode.accelfactor = mode.accelfactor; 2149 sc->mode.level = mode.level; 2150 splx(s); 2151 2152 unblock_mouse_data(sc, command_byte); 2153 break; 2154 2155 case MOUSE_GETLEVEL: 2156 *(int *)addr = sc->mode.level; 2157 break; 2158 2159 case MOUSE_SETLEVEL: 2160 if ((*(int *)addr < PSM_LEVEL_MIN) || 2161 (*(int *)addr > PSM_LEVEL_MAX)) 2162 return (EINVAL); 2163 sc->mode.level = *(int *)addr; 2164 break; 2165 2166 case MOUSE_GETSTATUS: 2167 s = spltty(); 2168 status = sc->status; 2169 sc->status.flags = 0; 2170 sc->status.obutton = sc->status.button; 2171 sc->status.button = 0; 2172 sc->status.dx = 0; 2173 sc->status.dy = 0; 2174 sc->status.dz = 0; 2175 splx(s); 2176 *(mousestatus_t *)addr = status; 2177 break; 2178 2179 #if (defined(MOUSE_GETVARS)) 2180 case MOUSE_GETVARS: 2181 var = (mousevar_t *)addr; 2182 bzero(var, sizeof(*var)); 2183 s = spltty(); 2184 var->var[0] = MOUSE_VARS_PS2_SIG; 2185 var->var[1] = sc->config; 2186 var->var[2] = sc->flags; 2187 splx(s); 2188 break; 2189 2190 case MOUSE_SETVARS: 2191 return (ENODEV); 2192 #endif /* MOUSE_GETVARS */ 2193 2194 case MOUSE_READSTATE: 2195 case MOUSE_READDATA: 2196 data = (mousedata_t *)addr; 2197 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2198 return (EINVAL); 2199 2200 error = block_mouse_data(sc, &command_byte); 2201 if (error) 2202 return (error); 2203 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2204 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2205 error = EIO; 2206 unblock_mouse_data(sc, command_byte); 2207 break; 2208 2209 #if (defined(MOUSE_SETRESOLUTION)) 2210 case MOUSE_SETRESOLUTION: 2211 mode.resolution = *(int *)addr; 2212 if (mode.resolution >= UCHAR_MAX) 2213 return (EINVAL); 2214 else if (mode.resolution >= 200) 2215 mode.resolution = MOUSE_RES_HIGH; 2216 else if (mode.resolution >= 100) 2217 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2218 else if (mode.resolution >= 50) 2219 mode.resolution = MOUSE_RES_MEDIUMLOW; 2220 else if (mode.resolution > 0) 2221 mode.resolution = MOUSE_RES_LOW; 2222 if (mode.resolution == MOUSE_RES_DEFAULT) 2223 mode.resolution = sc->dflt_mode.resolution; 2224 else if (mode.resolution == -1) 2225 mode.resolution = sc->mode.resolution; 2226 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2227 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2228 2229 error = block_mouse_data(sc, &command_byte); 2230 if (error) 2231 return (error); 2232 sc->mode.resolution = 2233 set_mouse_resolution(sc->kbdc, mode.resolution); 2234 if (sc->mode.resolution != mode.resolution) 2235 error = EIO; 2236 unblock_mouse_data(sc, command_byte); 2237 break; 2238 #endif /* MOUSE_SETRESOLUTION */ 2239 2240 #if (defined(MOUSE_SETRATE)) 2241 case MOUSE_SETRATE: 2242 mode.rate = *(int *)addr; 2243 if (mode.rate > UCHAR_MAX) 2244 return (EINVAL); 2245 if (mode.rate == 0) 2246 mode.rate = sc->dflt_mode.rate; 2247 else if (mode.rate < 0) 2248 mode.rate = sc->mode.rate; 2249 2250 error = block_mouse_data(sc, &command_byte); 2251 if (error) 2252 return (error); 2253 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2254 if (sc->mode.rate != mode.rate) 2255 error = EIO; 2256 unblock_mouse_data(sc, command_byte); 2257 break; 2258 #endif /* MOUSE_SETRATE */ 2259 2260 #if (defined(MOUSE_SETSCALING)) 2261 case MOUSE_SETSCALING: 2262 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2263 return (EINVAL); 2264 2265 error = block_mouse_data(sc, &command_byte); 2266 if (error) 2267 return (error); 2268 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2269 error = EIO; 2270 unblock_mouse_data(sc, command_byte); 2271 break; 2272 #endif /* MOUSE_SETSCALING */ 2273 2274 #if (defined(MOUSE_GETHWID)) 2275 case MOUSE_GETHWID: 2276 error = block_mouse_data(sc, &command_byte); 2277 if (error) 2278 return (error); 2279 sc->hw.hwid &= ~0x00ff; 2280 sc->hw.hwid |= get_aux_id(sc->kbdc); 2281 *(int *)addr = sc->hw.hwid & 0x00ff; 2282 unblock_mouse_data(sc, command_byte); 2283 break; 2284 #endif /* MOUSE_GETHWID */ 2285 2286 case FIONBIO: 2287 case FIOASYNC: 2288 break; 2289 case FIOSETOWN: 2290 error = fsetown(*(int *)addr, &sc->async); 2291 break; 2292 case FIOGETOWN: 2293 *(int *) addr = fgetown(&sc->async); 2294 break; 2295 default: 2296 return (ENOTTY); 2297 } 2298 2299 return (error); 2300 } 2301 2302 static void 2303 psmtimeout(void *arg) 2304 { 2305 struct psm_softc *sc; 2306 int s; 2307 2308 sc = (struct psm_softc *)arg; 2309 s = spltty(); 2310 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2311 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2312 psmintr(sc); 2313 kbdc_lock(sc->kbdc, FALSE); 2314 } 2315 sc->watchdog = TRUE; 2316 splx(s); 2317 callout_reset(&sc->callout, hz, psmtimeout, sc); 2318 } 2319 2320 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2321 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2322 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2323 2324 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2325 "Verbosity level"); 2326 2327 static int psmhz = 20; 2328 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2329 "Frequency of the softcallout (in hz)"); 2330 static int psmerrsecs = 2; 2331 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2332 "Number of seconds during which packets will dropped after a sync error"); 2333 static int psmerrusecs = 0; 2334 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2335 "Microseconds to add to psmerrsecs"); 2336 static int psmsecs = 0; 2337 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2338 "Max number of seconds between soft interrupts"); 2339 static int psmusecs = 500000; 2340 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2341 "Microseconds to add to psmsecs"); 2342 static int pkterrthresh = 2; 2343 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2344 "Number of error packets allowed before reinitializing the mouse"); 2345 2346 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2347 "Enable tap and drag gestures"); 2348 static int tap_threshold = PSM_TAP_THRESHOLD; 2349 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2350 "Button tap threshold"); 2351 static int tap_timeout = PSM_TAP_TIMEOUT; 2352 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2353 "Tap timeout for touchpads"); 2354 2355 static void 2356 psmintr(void *arg) 2357 { 2358 struct psm_softc *sc = arg; 2359 struct timeval now; 2360 int c; 2361 packetbuf_t *pb; 2362 2363 2364 /* read until there is nothing to read */ 2365 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2366 pb = &sc->pqueue[sc->pqueue_end]; 2367 2368 /* discard the byte if the device is not open */ 2369 if ((sc->state & PSM_OPEN) == 0) 2370 continue; 2371 2372 getmicrouptime(&now); 2373 if ((pb->inputbytes > 0) && 2374 timevalcmp(&now, &sc->inputtimeout, >)) { 2375 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2376 "resetting byte count\n")); 2377 pb->inputbytes = 0; 2378 sc->syncerrors = 0; 2379 sc->pkterrors = 0; 2380 } 2381 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2382 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2383 timevaladd(&sc->inputtimeout, &now); 2384 2385 pb->ipacket[pb->inputbytes++] = c; 2386 2387 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2388 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2389 sc->syncerrors = 0; 2390 sc->pkterrors = 0; 2391 goto next; 2392 } else { 2393 if (pb->inputbytes < sc->mode.packetsize) 2394 continue; 2395 2396 VLOG(4, (LOG_DEBUG, 2397 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2398 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2399 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2400 } 2401 2402 c = pb->ipacket[0]; 2403 2404 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2405 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2406 sc->flags &= ~PSM_NEED_SYNCBITS; 2407 VLOG(2, (LOG_DEBUG, 2408 "psmintr: Sync bytes now %04x,%04x\n", 2409 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2410 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2411 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2412 "(%04x != %04x) %d cmds since last error.\n", 2413 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2414 sc->cmdcount - sc->lasterr)); 2415 sc->lasterr = sc->cmdcount; 2416 /* 2417 * The sync byte test is a weak measure of packet 2418 * validity. Conservatively discard any input yet 2419 * to be seen by userland when we detect a sync 2420 * error since there is a good chance some of 2421 * the queued packets have undetected errors. 2422 */ 2423 dropqueue(sc); 2424 if (sc->syncerrors == 0) 2425 sc->pkterrors++; 2426 ++sc->syncerrors; 2427 sc->lastinputerr = now; 2428 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2429 sc->pkterrors >= pkterrthresh) { 2430 /* 2431 * If we've failed to find a single sync byte 2432 * in 2 packets worth of data, or we've seen 2433 * persistent packet errors during the 2434 * validation period, reinitialize the mouse 2435 * in hopes of returning it to the expected 2436 * mode. 2437 */ 2438 VLOG(3, (LOG_DEBUG, 2439 "psmintr: reset the mouse.\n")); 2440 reinitialize(sc, TRUE); 2441 } else if (sc->syncerrors == sc->mode.packetsize) { 2442 /* 2443 * Try a soft reset after searching for a sync 2444 * byte through a packet length of bytes. 2445 */ 2446 VLOG(3, (LOG_DEBUG, 2447 "psmintr: re-enable the mouse.\n")); 2448 pb->inputbytes = 0; 2449 disable_aux_dev(sc->kbdc); 2450 enable_aux_dev(sc->kbdc); 2451 } else { 2452 VLOG(3, (LOG_DEBUG, 2453 "psmintr: discard a byte (%d)\n", 2454 sc->syncerrors)); 2455 pb->inputbytes--; 2456 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2457 pb->inputbytes); 2458 } 2459 continue; 2460 } 2461 2462 /* 2463 * We have what appears to be a valid packet. 2464 * Reset the error counters. 2465 */ 2466 sc->syncerrors = 0; 2467 2468 /* 2469 * Drop even good packets if they occur within a timeout 2470 * period of a sync error. This allows the detection of 2471 * a change in the mouse's packet mode without exposing 2472 * erratic mouse behavior to the user. Some KVMs forget 2473 * enhanced mouse modes during switch events. 2474 */ 2475 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2476 &now)) { 2477 pb->inputbytes = 0; 2478 continue; 2479 } 2480 2481 /* 2482 * Now that we're out of the validation period, reset 2483 * the packet error count. 2484 */ 2485 sc->pkterrors = 0; 2486 2487 sc->cmdcount++; 2488 next: 2489 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2490 sc->pqueue_end = 0; 2491 /* 2492 * If we've filled the queue then call the softintr ourselves, 2493 * otherwise schedule the interrupt for later. 2494 */ 2495 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2496 (sc->pqueue_end == sc->pqueue_start)) { 2497 if ((sc->state & PSM_SOFTARMED) != 0) { 2498 sc->state &= ~PSM_SOFTARMED; 2499 callout_stop(&sc->softcallout); 2500 } 2501 psmsoftintr(arg); 2502 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2503 sc->state |= PSM_SOFTARMED; 2504 callout_reset(&sc->softcallout, 2505 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 2506 } 2507 } 2508 } 2509 2510 static void 2511 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2512 int *x, int *y, int *z) 2513 { 2514 2515 /* 2516 * PS2++ protocol packet 2517 * 2518 * b7 b6 b5 b4 b3 b2 b1 b0 2519 * byte 1: * 1 p3 p2 1 * * * 2520 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2521 * 2522 * p3-p0: packet type 2523 * c1, c2: c1 & c2 == 1, if p2 == 0 2524 * c1 & c2 == 0, if p2 == 1 2525 * 2526 * packet type: 0 (device type) 2527 * See comments in enable_mmanplus() below. 2528 * 2529 * packet type: 1 (wheel data) 2530 * 2531 * b7 b6 b5 b4 b3 b2 b1 b0 2532 * byte 3: h * B5 B4 s d2 d1 d0 2533 * 2534 * h: 1, if horizontal roller data 2535 * 0, if vertical roller data 2536 * B4, B5: button 4 and 5 2537 * s: sign bit 2538 * d2-d0: roller data 2539 * 2540 * packet type: 2 (reserved) 2541 */ 2542 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2543 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2544 /* 2545 * the extended data packet encodes button 2546 * and wheel events 2547 */ 2548 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2549 case 1: 2550 /* wheel data packet */ 2551 *x = *y = 0; 2552 if (pb->ipacket[2] & 0x80) { 2553 /* XXX horizontal roller count - ignore it */ 2554 ; 2555 } else { 2556 /* vertical roller count */ 2557 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2558 (pb->ipacket[2] & 0x0f) - 16 : 2559 (pb->ipacket[2] & 0x0f); 2560 } 2561 ms->button |= (pb->ipacket[2] & 2562 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2563 MOUSE_BUTTON4DOWN : 0; 2564 ms->button |= (pb->ipacket[2] & 2565 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2566 MOUSE_BUTTON5DOWN : 0; 2567 break; 2568 case 2: 2569 /* 2570 * this packet type is reserved by 2571 * Logitech... 2572 */ 2573 /* 2574 * IBM ScrollPoint Mouse uses this 2575 * packet type to encode both vertical 2576 * and horizontal scroll movement. 2577 */ 2578 *x = *y = 0; 2579 /* horizontal count */ 2580 if (pb->ipacket[2] & 0x0f) 2581 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2582 -2 : 2; 2583 /* vertical count */ 2584 if (pb->ipacket[2] & 0xf0) 2585 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2586 -1 : 1; 2587 break; 2588 case 0: 2589 /* device type packet - shouldn't happen */ 2590 /* FALLTHROUGH */ 2591 default: 2592 *x = *y = 0; 2593 ms->button = ms->obutton; 2594 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2595 "type %d: 0x%02x 0x%02x 0x%02x\n", 2596 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2597 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2598 break; 2599 } 2600 } else { 2601 /* preserve button states */ 2602 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2603 } 2604 } 2605 2606 static int 2607 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2608 int *x, int *y, int *z) 2609 { 2610 static int touchpad_buttons; 2611 static int guest_buttons; 2612 int w, x0, y0; 2613 2614 /* TouchPad PS/2 absolute mode message format with capFourButtons: 2615 * 2616 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2617 * ------------------------------------------------ 2618 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2619 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2620 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2621 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 2622 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2623 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2624 * 2625 * Legend: 2626 * L: left physical mouse button 2627 * R: right physical mouse button 2628 * D: down button 2629 * U: up button 2630 * W: "wrist" value 2631 * X: x position 2632 * Y: y position 2633 * Z: pressure 2634 * 2635 * Without capFourButtons but with nExtendeButtons and/or capMiddle 2636 * 2637 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2638 * ------------------------------------------------------ 2639 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 2640 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 2641 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 2642 * 2643 * Legend: 2644 * M: Middle physical mouse button 2645 * E: Extended mouse buttons reported instead of low bits of X and Y 2646 * b1-b8: Extended mouse buttons 2647 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 2648 * 4 and 5, for reading X and Y value they should be zeroed. 2649 * 2650 * Absolute reportable limits: 0 - 6143. 2651 * Typical bezel limits: 1472 - 5472. 2652 * Typical edge marings: 1632 - 5312. 2653 * 2654 * w = 3 Passthrough Packet 2655 * 2656 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2657 */ 2658 2659 if (!synaptics_support) 2660 return (0); 2661 2662 /* Sanity check for out of sync packets. */ 2663 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2664 (pb->ipacket[3] & 0xc8) != 0xc0) 2665 return (-1); 2666 2667 *x = *y = 0; 2668 2669 /* 2670 * Pressure value. 2671 * Interpretation: 2672 * z = 0 No finger contact 2673 * z = 10 Finger hovering near the pad 2674 * z = 30 Very light finger contact 2675 * z = 80 Normal finger contact 2676 * z = 110 Very heavy finger contact 2677 * z = 200 Finger lying flat on pad surface 2678 * z = 255 Maximum reportable Z 2679 */ 2680 *z = pb->ipacket[2]; 2681 2682 /* 2683 * Finger width value 2684 * Interpretation: 2685 * w = 0 Two finger on the pad (capMultiFinger needed) 2686 * w = 1 Three or more fingers (capMultiFinger needed) 2687 * w = 2 Pen (instead of finger) (capPen needed) 2688 * w = 3 Reserved (passthrough?) 2689 * w = 4-7 Finger of normal width (capPalmDetect needed) 2690 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2691 * w = 15 Maximum reportable width (capPalmDetect needed) 2692 */ 2693 /* XXX Is checking capExtended enough? */ 2694 if (sc->synhw.capExtended) 2695 w = ((pb->ipacket[0] & 0x30) >> 2) | 2696 ((pb->ipacket[0] & 0x04) >> 1) | 2697 ((pb->ipacket[3] & 0x04) >> 2); 2698 else { 2699 /* Assume a finger of regular width. */ 2700 w = 4; 2701 } 2702 2703 /* 2704 * Handle packets from the guest device. See: 2705 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 2706 */ 2707 if (w == 3 && sc->synhw.capPassthrough) { 2708 *x = ((pb->ipacket[1] & 0x10) ? 2709 pb->ipacket[4] - 256 : pb->ipacket[4]); 2710 *y = ((pb->ipacket[1] & 0x20) ? 2711 pb->ipacket[5] - 256 : pb->ipacket[5]); 2712 *z = 0; 2713 2714 guest_buttons = 0; 2715 if (pb->ipacket[1] & 0x01) 2716 guest_buttons |= MOUSE_BUTTON1DOWN; 2717 if (pb->ipacket[1] & 0x04) 2718 guest_buttons |= MOUSE_BUTTON2DOWN; 2719 if (pb->ipacket[1] & 0x02) 2720 guest_buttons |= MOUSE_BUTTON3DOWN; 2721 2722 ms->button = touchpad_buttons | guest_buttons; 2723 goto SYNAPTICS_END; 2724 } 2725 2726 /* Button presses */ 2727 touchpad_buttons = 0; 2728 if (pb->ipacket[0] & 0x01) 2729 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2730 if (pb->ipacket[0] & 0x02) 2731 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2732 2733 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2734 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 2735 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2736 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 2737 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2738 } else if (sc->synhw.capExtended && sc->synhw.capMiddle) { 2739 /* Middle Button */ 2740 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 2741 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2742 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 2743 /* Extended Buttons */ 2744 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 2745 if (sc->syninfo.directional_scrolls) { 2746 if (pb->ipacket[4] & 0x01) 2747 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2748 if (pb->ipacket[5] & 0x01) 2749 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2750 if (pb->ipacket[4] & 0x02) 2751 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2752 if (pb->ipacket[5] & 0x02) 2753 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2754 } else { 2755 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2756 } 2757 2758 /* 2759 * Zero out bits used by extended buttons to avoid 2760 * misinterpretation of the data absolute position. 2761 * 2762 * The bits represented by 2763 * 2764 * (nExtendedButtons + 1) >> 1 2765 * 2766 * will be masked out in both bytes. 2767 * The mask for n bits is computed with the formula 2768 * 2769 * (1 << n) - 1 2770 */ 2771 int maskedbits = 0; 2772 int mask = 0; 2773 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 2774 mask = (1 << maskedbits) - 1; 2775 pb->ipacket[4] &= ~(mask); 2776 pb->ipacket[5] &= ~(mask); 2777 } 2778 } 2779 2780 ms->button = touchpad_buttons | guest_buttons; 2781 2782 /* Check pressure to detect a real wanted action on the 2783 * touchpad. */ 2784 if (*z >= sc->syninfo.min_pressure) { 2785 synapticsaction_t *synaction; 2786 int cursor, peer, window; 2787 int dx, dy, dxp, dyp; 2788 int max_width, max_pressure; 2789 int margin_top, margin_right, margin_bottom, margin_left; 2790 int na_top, na_right, na_bottom, na_left; 2791 int window_min, window_max; 2792 int multiplicator; 2793 int weight_current, weight_previous, weight_len_squared; 2794 int div_min, div_max, div_len; 2795 int vscroll_hor_area, vscroll_ver_area; 2796 2797 int len, weight_prev_x, weight_prev_y; 2798 int div_max_x, div_max_y, div_x, div_y; 2799 2800 /* Read sysctl. */ 2801 /* XXX Verify values? */ 2802 max_width = sc->syninfo.max_width; 2803 max_pressure = sc->syninfo.max_pressure; 2804 margin_top = sc->syninfo.margin_top; 2805 margin_right = sc->syninfo.margin_right; 2806 margin_bottom = sc->syninfo.margin_bottom; 2807 margin_left = sc->syninfo.margin_left; 2808 na_top = sc->syninfo.na_top; 2809 na_right = sc->syninfo.na_right; 2810 na_bottom = sc->syninfo.na_bottom; 2811 na_left = sc->syninfo.na_left; 2812 window_min = sc->syninfo.window_min; 2813 window_max = sc->syninfo.window_max; 2814 multiplicator = sc->syninfo.multiplicator; 2815 weight_current = sc->syninfo.weight_current; 2816 weight_previous = sc->syninfo.weight_previous; 2817 weight_len_squared = sc->syninfo.weight_len_squared; 2818 div_min = sc->syninfo.div_min; 2819 div_max = sc->syninfo.div_max; 2820 div_len = sc->syninfo.div_len; 2821 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2822 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2823 2824 /* Palm detection. */ 2825 if (!( 2826 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2827 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2828 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2829 (sc->synhw.capPen && w == 2))) { 2830 /* 2831 * We consider the packet irrelevant for the current 2832 * action when: 2833 * - the width isn't comprised in: 2834 * [4; max_width] 2835 * - the pressure isn't comprised in: 2836 * [min_pressure; max_pressure] 2837 * - pen aren't supported but w is 2 2838 * 2839 * Note that this doesn't terminate the current action. 2840 */ 2841 VLOG(2, (LOG_DEBUG, 2842 "synaptics: palm detected! (%d)\n", w)); 2843 goto SYNAPTICS_END; 2844 } 2845 2846 /* Read current absolute position. */ 2847 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2848 ((pb->ipacket[1] & 0x0f) << 8) | 2849 pb->ipacket[4]; 2850 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2851 ((pb->ipacket[1] & 0xf0) << 4) | 2852 pb->ipacket[5]; 2853 2854 synaction = &(sc->synaction); 2855 2856 /* 2857 * If the action is just beginning, init the structure and 2858 * compute tap timeout. 2859 */ 2860 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2861 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2862 2863 /* Store the first point of this action. */ 2864 synaction->start_x = x0; 2865 synaction->start_y = y0; 2866 dx = dy = 0; 2867 2868 /* Initialize queue. */ 2869 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2870 synaction->queue_len = 0; 2871 synaction->window_min = window_min; 2872 2873 /* Reset average. */ 2874 synaction->avg_dx = 0; 2875 synaction->avg_dy = 0; 2876 2877 /* Reset squelch. */ 2878 synaction->squelch_x = 0; 2879 synaction->squelch_y = 0; 2880 2881 /* Reset pressure peak. */ 2882 sc->zmax = 0; 2883 2884 /* Reset fingers count. */ 2885 synaction->fingers_nb = 0; 2886 2887 /* Reset virtual scrolling state. */ 2888 synaction->in_vscroll = 0; 2889 2890 /* Compute tap timeout. */ 2891 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2892 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2893 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2894 2895 sc->flags |= PSM_FLAGS_FINGERDOWN; 2896 } else { 2897 /* Calculate the current delta. */ 2898 cursor = synaction->queue_cursor; 2899 dx = x0 - synaction->queue[cursor].x; 2900 dy = y0 - synaction->queue[cursor].y; 2901 } 2902 2903 /* If in tap-hold, add the recorded button. */ 2904 if (synaction->in_taphold) 2905 ms->button |= synaction->tap_button; 2906 2907 /* 2908 * From now on, we can use the SYNAPTICS_END label to skip 2909 * the current packet. 2910 */ 2911 2912 /* 2913 * Limit the coordinates to the specified margins because 2914 * this area isn't very reliable. 2915 */ 2916 if (x0 <= margin_left) 2917 x0 = margin_left; 2918 else if (x0 >= 6143 - margin_right) 2919 x0 = 6143 - margin_right; 2920 if (y0 <= margin_bottom) 2921 y0 = margin_bottom; 2922 else if (y0 >= 6143 - margin_top) 2923 y0 = 6143 - margin_top; 2924 2925 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2926 x0, y0, *z, w)); 2927 2928 /* Queue this new packet. */ 2929 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2930 synaction->queue[cursor].x = x0; 2931 synaction->queue[cursor].y = y0; 2932 synaction->queue_cursor = cursor; 2933 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2934 synaction->queue_len++; 2935 VLOG(5, (LOG_DEBUG, 2936 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2937 cursor, x0, y0, dx, dy)); 2938 2939 /* 2940 * For tap, we keep the maximum number of fingers and the 2941 * pressure peak. Also with multiple fingers, we increase 2942 * the minimum window. 2943 */ 2944 switch (w) { 2945 case 1: /* Three or more fingers. */ 2946 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2947 synaction->window_min = window_max; 2948 break; 2949 case 0: /* Two fingers. */ 2950 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2951 synaction->window_min = window_max; 2952 break; 2953 default: /* One finger or undetectable. */ 2954 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2955 } 2956 sc->zmax = imax(*z, sc->zmax); 2957 2958 /* Do we have enough packets to consider this a movement? */ 2959 if (synaction->queue_len < synaction->window_min) 2960 goto SYNAPTICS_END; 2961 2962 /* Is a scrolling action occuring? */ 2963 if (!synaction->in_taphold && !synaction->in_vscroll) { 2964 /* 2965 * A scrolling action must not conflict with a tap 2966 * action. Here are the conditions to consider a 2967 * scrolling action: 2968 * - the action in a configurable area 2969 * - one of the following: 2970 * . the distance between the last packet and the 2971 * first should be above a configurable minimum 2972 * . tap timed out 2973 */ 2974 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2975 synaction->start_x); 2976 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2977 synaction->start_y); 2978 2979 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2980 dxp >= sc->syninfo.vscroll_min_delta || 2981 dyp >= sc->syninfo.vscroll_min_delta) { 2982 /* Check for horizontal scrolling. */ 2983 if ((vscroll_hor_area > 0 && 2984 synaction->start_y <= vscroll_hor_area) || 2985 (vscroll_hor_area < 0 && 2986 synaction->start_y >= 2987 6143 + vscroll_hor_area)) 2988 synaction->in_vscroll += 2; 2989 2990 /* Check for vertical scrolling. */ 2991 if ((vscroll_ver_area > 0 && 2992 synaction->start_x <= vscroll_ver_area) || 2993 (vscroll_ver_area < 0 && 2994 synaction->start_x >= 2995 6143 + vscroll_ver_area)) 2996 synaction->in_vscroll += 1; 2997 2998 /* Avoid conflicts if area overlaps. */ 2999 if (synaction->in_vscroll == 3) 3000 synaction->in_vscroll = 3001 (dxp > dyp) ? 2 : 1; 3002 } 3003 VLOG(5, (LOG_DEBUG, 3004 "synaptics: virtual scrolling: %s " 3005 "(direction=%d, dxp=%d, dyp=%d)\n", 3006 synaction->in_vscroll ? "YES" : "NO", 3007 synaction->in_vscroll, dxp, dyp)); 3008 } 3009 3010 weight_prev_x = weight_prev_y = weight_previous; 3011 div_max_x = div_max_y = div_max; 3012 3013 if (synaction->in_vscroll) { 3014 /* Dividers are different with virtual scrolling. */ 3015 div_min = sc->syninfo.vscroll_div_min; 3016 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 3017 } else { 3018 /* 3019 * There's a lot of noise in coordinates when 3020 * the finger is on the touchpad's borders. When 3021 * using this area, we apply a special weight and 3022 * div. 3023 */ 3024 if (x0 <= na_left || x0 >= 6143 - na_right) { 3025 weight_prev_x = sc->syninfo.weight_previous_na; 3026 div_max_x = sc->syninfo.div_max_na; 3027 } 3028 3029 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 3030 weight_prev_y = sc->syninfo.weight_previous_na; 3031 div_max_y = sc->syninfo.div_max_na; 3032 } 3033 } 3034 3035 /* 3036 * Calculate weights for the average operands and 3037 * the divisor. Both depend on the distance between 3038 * the current packet and a previous one (based on the 3039 * window width). 3040 */ 3041 window = imin(synaction->queue_len, window_max); 3042 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 3043 dxp = abs(x0 - synaction->queue[peer].x) + 1; 3044 dyp = abs(y0 - synaction->queue[peer].y) + 1; 3045 len = (dxp * dxp) + (dyp * dyp); 3046 weight_prev_x = imin(weight_prev_x, 3047 weight_len_squared * weight_prev_x / len); 3048 weight_prev_y = imin(weight_prev_y, 3049 weight_len_squared * weight_prev_y / len); 3050 3051 len = (dxp + dyp) / 2; 3052 div_x = div_len * div_max_x / len; 3053 div_x = imin(div_max_x, div_x); 3054 div_x = imax(div_min, div_x); 3055 div_y = div_len * div_max_y / len; 3056 div_y = imin(div_max_y, div_y); 3057 div_y = imax(div_min, div_y); 3058 3059 VLOG(3, (LOG_DEBUG, 3060 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 3061 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 3062 3063 /* Compute averages. */ 3064 synaction->avg_dx = 3065 (weight_current * dx * multiplicator + 3066 weight_prev_x * synaction->avg_dx) / 3067 (weight_current + weight_prev_x); 3068 3069 synaction->avg_dy = 3070 (weight_current * dy * multiplicator + 3071 weight_prev_y * synaction->avg_dy) / 3072 (weight_current + weight_prev_y); 3073 3074 VLOG(5, (LOG_DEBUG, 3075 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 3076 synaction->avg_dx / multiplicator, 3077 synaction->avg_dy / multiplicator)); 3078 3079 /* Use these averages to calculate x & y. */ 3080 synaction->squelch_x += synaction->avg_dx; 3081 *x = synaction->squelch_x / (div_x * multiplicator); 3082 synaction->squelch_x = synaction->squelch_x % 3083 (div_x * multiplicator); 3084 3085 synaction->squelch_y += synaction->avg_dy; 3086 *y = synaction->squelch_y / (div_y * multiplicator); 3087 synaction->squelch_y = synaction->squelch_y % 3088 (div_y * multiplicator); 3089 3090 if (synaction->in_vscroll) { 3091 switch(synaction->in_vscroll) { 3092 case 1: /* Vertical scrolling. */ 3093 if (*y != 0) 3094 ms->button |= (*y > 0) ? 3095 MOUSE_BUTTON4DOWN : 3096 MOUSE_BUTTON5DOWN; 3097 break; 3098 case 2: /* Horizontal scrolling. */ 3099 if (*x != 0) 3100 ms->button |= (*x > 0) ? 3101 MOUSE_BUTTON7DOWN : 3102 MOUSE_BUTTON6DOWN; 3103 break; 3104 } 3105 3106 /* The pointer is not moved. */ 3107 *x = *y = 0; 3108 } else { 3109 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3110 dx, dy, *x, *y)); 3111 } 3112 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3113 /* 3114 * An action is currently taking place but the pressure 3115 * dropped under the minimum, putting an end to it. 3116 */ 3117 synapticsaction_t *synaction; 3118 int taphold_timeout, dx, dy, tap_max_delta; 3119 3120 synaction = &(sc->synaction); 3121 dx = abs(synaction->queue[synaction->queue_cursor].x - 3122 synaction->start_x); 3123 dy = abs(synaction->queue[synaction->queue_cursor].y - 3124 synaction->start_y); 3125 3126 /* Max delta is disabled for multi-fingers tap. */ 3127 if (synaction->fingers_nb > 1) 3128 tap_max_delta = imax(dx, dy); 3129 else 3130 tap_max_delta = sc->syninfo.tap_max_delta; 3131 3132 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3133 3134 /* Check for tap. */ 3135 VLOG(3, (LOG_DEBUG, 3136 "synaptics: zmax=%d, dx=%d, dy=%d, " 3137 "delta=%d, fingers=%d, queue=%d\n", 3138 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3139 synaction->queue_len)); 3140 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3141 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3142 dx <= tap_max_delta && dy <= tap_max_delta && 3143 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3144 /* 3145 * We have a tap if: 3146 * - the maximum pressure went over tap_threshold 3147 * - the action ended before tap_timeout 3148 * 3149 * To handle tap-hold, we must delay any button push to 3150 * the next action. 3151 */ 3152 if (synaction->in_taphold) { 3153 /* 3154 * This is the second and last tap of a 3155 * double tap action, not a tap-hold. 3156 */ 3157 synaction->in_taphold = 0; 3158 3159 /* 3160 * For double-tap to work: 3161 * - no button press is emitted (to 3162 * simulate a button release) 3163 * - PSM_FLAGS_FINGERDOWN is set to 3164 * force the next packet to emit a 3165 * button press) 3166 */ 3167 VLOG(2, (LOG_DEBUG, 3168 "synaptics: button RELEASE: %d\n", 3169 synaction->tap_button)); 3170 sc->flags |= PSM_FLAGS_FINGERDOWN; 3171 } else { 3172 /* 3173 * This is the first tap: we set the 3174 * tap-hold state and notify the button 3175 * down event. 3176 */ 3177 synaction->in_taphold = 1; 3178 taphold_timeout = sc->syninfo.taphold_timeout; 3179 sc->taptimeout.tv_sec = taphold_timeout / 3180 1000000; 3181 sc->taptimeout.tv_usec = taphold_timeout % 3182 1000000; 3183 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3184 3185 switch (synaction->fingers_nb) { 3186 case 3: 3187 synaction->tap_button = 3188 MOUSE_BUTTON2DOWN; 3189 break; 3190 case 2: 3191 synaction->tap_button = 3192 MOUSE_BUTTON3DOWN; 3193 break; 3194 default: 3195 synaction->tap_button = 3196 MOUSE_BUTTON1DOWN; 3197 } 3198 VLOG(2, (LOG_DEBUG, 3199 "synaptics: button PRESS: %d\n", 3200 synaction->tap_button)); 3201 ms->button |= synaction->tap_button; 3202 } 3203 } else { 3204 /* 3205 * Not enough pressure or timeout: reset 3206 * tap-hold state. 3207 */ 3208 if (synaction->in_taphold) { 3209 VLOG(2, (LOG_DEBUG, 3210 "synaptics: button RELEASE: %d\n", 3211 synaction->tap_button)); 3212 synaction->in_taphold = 0; 3213 } else { 3214 VLOG(2, (LOG_DEBUG, 3215 "synaptics: not a tap-hold\n")); 3216 } 3217 } 3218 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3219 sc->synaction.in_taphold) { 3220 /* 3221 * For a tap-hold to work, the button must remain down at 3222 * least until timeout (where the in_taphold flags will be 3223 * cleared) or during the next action. 3224 */ 3225 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3226 ms->button |= sc->synaction.tap_button; 3227 } else { 3228 VLOG(2, (LOG_DEBUG, 3229 "synaptics: button RELEASE: %d\n", 3230 sc->synaction.tap_button)); 3231 sc->synaction.in_taphold = 0; 3232 } 3233 } 3234 3235 SYNAPTICS_END: 3236 /* 3237 * Use the extra buttons as a scrollwheel 3238 * 3239 * XXX X.Org uses the Z axis for vertical wheel only, 3240 * whereas moused(8) understands special values to differ 3241 * vertical and horizontal wheels. 3242 * 3243 * xf86-input-mouse needs therefore a small patch to 3244 * understand these special values. Without it, the 3245 * horizontal wheel acts as a vertical wheel in X.Org. 3246 * 3247 * That's why the horizontal wheel is disabled by 3248 * default for now. 3249 */ 3250 if (ms->button & MOUSE_BUTTON4DOWN) { 3251 *z = -1; 3252 ms->button &= ~MOUSE_BUTTON4DOWN; 3253 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3254 *z = 1; 3255 ms->button &= ~MOUSE_BUTTON5DOWN; 3256 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3257 *z = -2; 3258 ms->button &= ~MOUSE_BUTTON6DOWN; 3259 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3260 *z = 2; 3261 ms->button &= ~MOUSE_BUTTON7DOWN; 3262 } else 3263 *z = 0; 3264 3265 return (0); 3266 } 3267 3268 static void 3269 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3270 int *x, int *y, int *z) 3271 { 3272 static int butmap_versapad[8] = { 3273 0, 3274 MOUSE_BUTTON3DOWN, 3275 0, 3276 MOUSE_BUTTON3DOWN, 3277 MOUSE_BUTTON1DOWN, 3278 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3279 MOUSE_BUTTON1DOWN, 3280 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3281 }; 3282 int c, x0, y0; 3283 3284 /* VersaPad PS/2 absolute mode message format 3285 * 3286 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3287 * ipacket[0]: 1 1 0 A 1 L T R 3288 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3289 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3290 * ipacket[3]: 1 1 1 A 1 L T R 3291 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3292 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3293 * 3294 * [note] 3295 * R: right physical mouse button (1=on) 3296 * T: touch pad virtual button (1=tapping) 3297 * L: left physical mouse button (1=on) 3298 * A: position data is valid (1=valid) 3299 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3300 * V: vertical data (12bit signed integer. V11 is sign bit.) 3301 * P: pressure data 3302 * 3303 * Tapping is mapped to MOUSE_BUTTON4. 3304 */ 3305 c = pb->ipacket[0]; 3306 *x = *y = 0; 3307 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3308 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3309 if (c & MOUSE_PS2VERSA_IN_USE) { 3310 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3311 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3312 if (x0 & 0x800) 3313 x0 -= 0x1000; 3314 if (y0 & 0x800) 3315 y0 -= 0x1000; 3316 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3317 *x = sc->xold - x0; 3318 *y = y0 - sc->yold; 3319 if (*x < 0) /* XXX */ 3320 ++*x; 3321 else if (*x) 3322 --*x; 3323 if (*y < 0) 3324 ++*y; 3325 else if (*y) 3326 --*y; 3327 } else 3328 sc->flags |= PSM_FLAGS_FINGERDOWN; 3329 sc->xold = x0; 3330 sc->yold = y0; 3331 } else 3332 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3333 } 3334 3335 static void 3336 psmsoftintr(void *arg) 3337 { 3338 /* 3339 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3340 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3341 */ 3342 static int butmap[8] = { 3343 0, 3344 MOUSE_BUTTON1DOWN, 3345 MOUSE_BUTTON3DOWN, 3346 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3347 MOUSE_BUTTON2DOWN, 3348 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3349 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3350 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3351 }; 3352 struct psm_softc *sc = arg; 3353 mousestatus_t ms; 3354 packetbuf_t *pb; 3355 int x, y, z, c, l, s; 3356 3357 getmicrouptime(&sc->lastsoftintr); 3358 3359 s = spltty(); 3360 3361 do { 3362 pb = &sc->pqueue[sc->pqueue_start]; 3363 3364 if (sc->mode.level == PSM_LEVEL_NATIVE) 3365 goto next_native; 3366 3367 c = pb->ipacket[0]; 3368 /* 3369 * A kludge for Kensington device! 3370 * The MSB of the horizontal count appears to be stored in 3371 * a strange place. 3372 */ 3373 if (sc->hw.model == MOUSE_MODEL_THINK) 3374 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3375 3376 /* ignore the overflow bits... */ 3377 x = (c & MOUSE_PS2_XNEG) ? 3378 pb->ipacket[1] - 256 : pb->ipacket[1]; 3379 y = (c & MOUSE_PS2_YNEG) ? 3380 pb->ipacket[2] - 256 : pb->ipacket[2]; 3381 z = 0; 3382 ms.obutton = sc->button; /* previous button state */ 3383 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3384 /* `tapping' action */ 3385 if (sc->config & PSM_CONFIG_FORCETAP) 3386 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3387 0 : MOUSE_BUTTON4DOWN; 3388 3389 switch (sc->hw.model) { 3390 3391 case MOUSE_MODEL_EXPLORER: 3392 /* 3393 * b7 b6 b5 b4 b3 b2 b1 b0 3394 * byte 1: oy ox sy sx 1 M R L 3395 * byte 2: x x x x x x x x 3396 * byte 3: y y y y y y y y 3397 * byte 4: * * S2 S1 s d2 d1 d0 3398 * 3399 * L, M, R, S1, S2: left, middle, right and side buttons 3400 * s: wheel data sign bit 3401 * d2-d0: wheel data 3402 */ 3403 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3404 (pb->ipacket[3] & 0x0f) - 16 : 3405 (pb->ipacket[3] & 0x0f); 3406 ms.button |= 3407 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3408 MOUSE_BUTTON4DOWN : 0; 3409 ms.button |= 3410 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3411 MOUSE_BUTTON5DOWN : 0; 3412 break; 3413 3414 case MOUSE_MODEL_INTELLI: 3415 case MOUSE_MODEL_NET: 3416 /* wheel data is in the fourth byte */ 3417 z = (char)pb->ipacket[3]; 3418 /* 3419 * XXX some mice may send 7 when there is no Z movement? */ 3420 if ((z >= 7) || (z <= -7)) 3421 z = 0; 3422 /* some compatible mice have additional buttons */ 3423 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3424 MOUSE_BUTTON4DOWN : 0; 3425 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3426 MOUSE_BUTTON5DOWN : 0; 3427 break; 3428 3429 case MOUSE_MODEL_MOUSEMANPLUS: 3430 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3431 break; 3432 3433 case MOUSE_MODEL_GLIDEPOINT: 3434 /* `tapping' action */ 3435 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3436 MOUSE_BUTTON4DOWN; 3437 break; 3438 3439 case MOUSE_MODEL_NETSCROLL: 3440 /* 3441 * three addtional bytes encode buttons and 3442 * wheel events 3443 */ 3444 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3445 MOUSE_BUTTON4DOWN : 0; 3446 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3447 MOUSE_BUTTON5DOWN : 0; 3448 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3449 pb->ipacket[4] - 256 : pb->ipacket[4]; 3450 break; 3451 3452 case MOUSE_MODEL_THINK: 3453 /* the fourth button state in the first byte */ 3454 ms.button |= (c & MOUSE_PS2_TAP) ? 3455 MOUSE_BUTTON4DOWN : 0; 3456 break; 3457 3458 case MOUSE_MODEL_VERSAPAD: 3459 proc_versapad(sc, pb, &ms, &x, &y, &z); 3460 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3461 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3462 break; 3463 3464 case MOUSE_MODEL_4D: 3465 /* 3466 * b7 b6 b5 b4 b3 b2 b1 b0 3467 * byte 1: s2 d2 s1 d1 1 M R L 3468 * byte 2: sx x x x x x x x 3469 * byte 3: sy y y y y y y y 3470 * 3471 * s1: wheel 1 direction 3472 * d1: wheel 1 data 3473 * s2: wheel 2 direction 3474 * d2: wheel 2 data 3475 */ 3476 x = (pb->ipacket[1] & 0x80) ? 3477 pb->ipacket[1] - 256 : pb->ipacket[1]; 3478 y = (pb->ipacket[2] & 0x80) ? 3479 pb->ipacket[2] - 256 : pb->ipacket[2]; 3480 switch (c & MOUSE_4D_WHEELBITS) { 3481 case 0x10: 3482 z = 1; 3483 break; 3484 case 0x30: 3485 z = -1; 3486 break; 3487 case 0x40: /* XXX 2nd wheel turning right */ 3488 z = 2; 3489 break; 3490 case 0xc0: /* XXX 2nd wheel turning left */ 3491 z = -2; 3492 break; 3493 } 3494 break; 3495 3496 case MOUSE_MODEL_4DPLUS: 3497 if ((x < 16 - 256) && (y < 16 - 256)) { 3498 /* 3499 * b7 b6 b5 b4 b3 b2 b1 b0 3500 * byte 1: 0 0 1 1 1 M R L 3501 * byte 2: 0 0 0 0 1 0 0 0 3502 * byte 3: 0 0 0 0 S s d1 d0 3503 * 3504 * L, M, R, S: left, middle, right, 3505 * and side buttons 3506 * s: wheel data sign bit 3507 * d1-d0: wheel data 3508 */ 3509 x = y = 0; 3510 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3511 ms.button |= MOUSE_BUTTON4DOWN; 3512 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3513 ((pb->ipacket[2] & 0x07) - 8) : 3514 (pb->ipacket[2] & 0x07) ; 3515 } else { 3516 /* preserve previous button states */ 3517 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3518 } 3519 break; 3520 3521 case MOUSE_MODEL_SYNAPTICS: 3522 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3523 goto next; 3524 break; 3525 3526 case MOUSE_MODEL_TRACKPOINT: 3527 case MOUSE_MODEL_GENERIC: 3528 default: 3529 break; 3530 } 3531 3532 /* scale values */ 3533 if (sc->mode.accelfactor >= 1) { 3534 if (x != 0) { 3535 x = x * x / sc->mode.accelfactor; 3536 if (x == 0) 3537 x = 1; 3538 if (c & MOUSE_PS2_XNEG) 3539 x = -x; 3540 } 3541 if (y != 0) { 3542 y = y * y / sc->mode.accelfactor; 3543 if (y == 0) 3544 y = 1; 3545 if (c & MOUSE_PS2_YNEG) 3546 y = -y; 3547 } 3548 } 3549 3550 ms.dx = x; 3551 ms.dy = y; 3552 ms.dz = z; 3553 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3554 (ms.obutton ^ ms.button); 3555 3556 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3557 3558 sc->status.flags |= ms.flags; 3559 sc->status.dx += ms.dx; 3560 sc->status.dy += ms.dy; 3561 sc->status.dz += ms.dz; 3562 sc->status.button = ms.button; 3563 sc->button = ms.button; 3564 3565 next_native: 3566 sc->watchdog = FALSE; 3567 3568 /* queue data */ 3569 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3570 l = imin(pb->inputbytes, 3571 sizeof(sc->queue.buf) - sc->queue.tail); 3572 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3573 if (pb->inputbytes > l) 3574 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3575 pb->inputbytes - l); 3576 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3577 sizeof(sc->queue.buf); 3578 sc->queue.count += pb->inputbytes; 3579 } 3580 pb->inputbytes = 0; 3581 3582 next: 3583 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3584 sc->pqueue_start = 0; 3585 } while (sc->pqueue_start != sc->pqueue_end); 3586 3587 if (sc->state & PSM_ASLP) { 3588 sc->state &= ~PSM_ASLP; 3589 wakeup(sc); 3590 } 3591 selwakeuppri(&sc->rsel, PZERO); 3592 if (sc->async != NULL) { 3593 pgsigio(&sc->async, SIGIO, 0); 3594 } 3595 sc->state &= ~PSM_SOFTARMED; 3596 splx(s); 3597 } 3598 3599 static int 3600 psmpoll(struct cdev *dev, int events, struct thread *td) 3601 { 3602 struct psm_softc *sc = dev->si_drv1; 3603 int s; 3604 int revents = 0; 3605 3606 /* Return true if a mouse event available */ 3607 s = spltty(); 3608 if (events & (POLLIN | POLLRDNORM)) { 3609 if (sc->queue.count > 0) 3610 revents |= events & (POLLIN | POLLRDNORM); 3611 else 3612 selrecord(td, &sc->rsel); 3613 } 3614 splx(s); 3615 3616 return (revents); 3617 } 3618 3619 /* vendor/model specific routines */ 3620 3621 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3622 { 3623 if (set_mouse_resolution(kbdc, res) != res) 3624 return (FALSE); 3625 if (set_mouse_scaling(kbdc, scale) && 3626 set_mouse_scaling(kbdc, scale) && 3627 set_mouse_scaling(kbdc, scale) && 3628 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3629 return (TRUE); 3630 return (FALSE); 3631 } 3632 3633 static int 3634 mouse_ext_command(KBDC kbdc, int command) 3635 { 3636 int c; 3637 3638 c = (command >> 6) & 0x03; 3639 if (set_mouse_resolution(kbdc, c) != c) 3640 return (FALSE); 3641 c = (command >> 4) & 0x03; 3642 if (set_mouse_resolution(kbdc, c) != c) 3643 return (FALSE); 3644 c = (command >> 2) & 0x03; 3645 if (set_mouse_resolution(kbdc, c) != c) 3646 return (FALSE); 3647 c = (command >> 0) & 0x03; 3648 if (set_mouse_resolution(kbdc, c) != c) 3649 return (FALSE); 3650 return (TRUE); 3651 } 3652 3653 #ifdef notyet 3654 /* Logitech MouseMan Cordless II */ 3655 static int 3656 enable_lcordless(KDBC kbdc, struct psm_softc *sc) 3657 { 3658 int status[3]; 3659 int ch; 3660 3661 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 3662 return (FALSE); 3663 if (status[1] == PSMD_RES_HIGH) 3664 return (FALSE); 3665 ch = (status[0] & 0x07) - 1; /* channel # */ 3666 if ((ch <= 0) || (ch > 4)) 3667 return (FALSE); 3668 /* 3669 * status[1]: always one? 3670 * status[2]: battery status? (0-100) 3671 */ 3672 return (TRUE); 3673 } 3674 #endif /* notyet */ 3675 3676 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3677 static int 3678 enable_groller(KBDC kbdc, struct psm_softc *sc) 3679 { 3680 int status[3]; 3681 3682 /* 3683 * The special sequence to enable the fourth button and the 3684 * roller. Immediately after this sequence check status bytes. 3685 * if the mouse is NetScroll, the second and the third bytes are 3686 * '3' and 'D'. 3687 */ 3688 3689 /* 3690 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3691 * look like the following. 3692 * 3693 * byte 1 bit 7 always 0 3694 * bit 6 stream mode (0) 3695 * bit 5 disabled (0) 3696 * bit 4 1:1 scaling (0) 3697 * bit 3 always 0 3698 * bit 0-2 button status 3699 * byte 2 resolution (PSMD_RES_HIGH) 3700 * byte 3 report rate (?) 3701 */ 3702 3703 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3704 return (FALSE); 3705 if ((status[1] != '3') || (status[2] != 'D')) 3706 return (FALSE); 3707 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3708 if (sc != NULL) 3709 sc->hw.buttons = 4; 3710 return (TRUE); 3711 } 3712 3713 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3714 static int 3715 enable_gmouse(KBDC kbdc, struct psm_softc *sc) 3716 { 3717 int status[3]; 3718 3719 /* 3720 * The special sequence to enable the middle, "rubber" button. 3721 * Immediately after this sequence check status bytes. 3722 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3723 * the second and the third bytes are '3' and 'U'. 3724 * NOTE: NetMouse reports that it has three buttons although it has 3725 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3726 * say they have three buttons too and they do have a button on the 3727 * side... 3728 */ 3729 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3730 return (FALSE); 3731 if ((status[1] != '3') || (status[2] != 'U')) 3732 return (FALSE); 3733 return (TRUE); 3734 } 3735 3736 /* ALPS GlidePoint */ 3737 static int 3738 enable_aglide(KBDC kbdc, struct psm_softc *sc) 3739 { 3740 int status[3]; 3741 3742 /* 3743 * The special sequence to obtain ALPS GlidePoint specific 3744 * information. Immediately after this sequence, status bytes will 3745 * contain something interesting. 3746 * NOTE: ALPS produces several models of GlidePoint. Some of those 3747 * do not respond to this sequence, thus, cannot be detected this way. 3748 */ 3749 if (set_mouse_sampling_rate(kbdc, 100) != 100) 3750 return (FALSE); 3751 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 3752 return (FALSE); 3753 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3754 return (FALSE); 3755 return (TRUE); 3756 } 3757 3758 /* Kensington ThinkingMouse/Trackball */ 3759 static int 3760 enable_kmouse(KBDC kbdc, struct psm_softc *sc) 3761 { 3762 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3763 int status[3]; 3764 int id1; 3765 int id2; 3766 int i; 3767 3768 id1 = get_aux_id(kbdc); 3769 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3770 return (FALSE); 3771 /* 3772 * The device is now in the native mode? It returns a different 3773 * ID value... 3774 */ 3775 id2 = get_aux_id(kbdc); 3776 if ((id1 == id2) || (id2 != 2)) 3777 return (FALSE); 3778 3779 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3780 return (FALSE); 3781 #if PSM_DEBUG >= 2 3782 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3783 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3784 return (FALSE); 3785 #endif 3786 3787 /* 3788 * The special sequence to enable the third and fourth buttons. 3789 * Otherwise they behave like the first and second buttons. 3790 */ 3791 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3792 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3793 return (FALSE); 3794 3795 /* 3796 * At this point, the device is using default resolution and 3797 * sampling rate for the native mode. 3798 */ 3799 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3800 return (FALSE); 3801 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3802 return (FALSE); 3803 3804 /* the device appears be enabled by this sequence, diable it for now */ 3805 disable_aux_dev(kbdc); 3806 empty_aux_buffer(kbdc, 5); 3807 3808 return (TRUE); 3809 } 3810 3811 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3812 static int 3813 enable_mmanplus(KBDC kbdc, struct psm_softc *sc) 3814 { 3815 int data[3]; 3816 3817 /* the special sequence to enable the fourth button and the roller. */ 3818 /* 3819 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3820 * must be called exactly three times since the last RESET command 3821 * before this sequence. XXX 3822 */ 3823 if (!set_mouse_scaling(kbdc, 1)) 3824 return (FALSE); 3825 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3826 return (FALSE); 3827 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3828 return (FALSE); 3829 3830 /* 3831 * PS2++ protocol, packet type 0 3832 * 3833 * b7 b6 b5 b4 b3 b2 b1 b0 3834 * byte 1: * 1 p3 p2 1 * * * 3835 * byte 2: 1 1 p1 p0 m1 m0 1 0 3836 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3837 * 3838 * p3-p0: packet type: 0 3839 * m7-m0: model ID: MouseMan+:0x50, 3840 * FirstMouse+:0x51, 3841 * ScrollPoint:0x58... 3842 */ 3843 /* check constant bits */ 3844 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3845 return (FALSE); 3846 if ((data[1] & 0xc3) != 0xc2) 3847 return (FALSE); 3848 /* check d3-d0 in byte 2 */ 3849 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3850 return (FALSE); 3851 /* check p3-p0 */ 3852 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3853 return (FALSE); 3854 3855 if (sc != NULL) { 3856 sc->hw.hwid &= 0x00ff; 3857 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3858 } 3859 3860 /* 3861 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3862 * the wheel and the fourth button events are encoded in the 3863 * special data packet. The mouse may be put in the IntelliMouse mode 3864 * if it is initialized by the IntelliMouse's method. 3865 */ 3866 return (TRUE); 3867 } 3868 3869 /* MS IntelliMouse Explorer */ 3870 static int 3871 enable_msexplorer(KBDC kbdc, struct psm_softc *sc) 3872 { 3873 static u_char rate0[] = { 200, 100, 80, }; 3874 static u_char rate1[] = { 200, 200, 80, }; 3875 int id; 3876 int i; 3877 3878 /* 3879 * This is needed for at least A4Tech X-7xx mice - they do not go 3880 * straight to Explorer mode, but need to be set to Intelli mode 3881 * first. 3882 */ 3883 enable_msintelli(kbdc, sc); 3884 3885 /* the special sequence to enable the extra buttons and the roller. */ 3886 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3887 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3888 return (FALSE); 3889 /* the device will give the genuine ID only after the above sequence */ 3890 id = get_aux_id(kbdc); 3891 if (id != PSM_EXPLORER_ID) 3892 return (FALSE); 3893 3894 if (sc != NULL) { 3895 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3896 sc->hw.hwid = id; 3897 } 3898 3899 /* 3900 * XXX: this is a kludge to fool some KVM switch products 3901 * which think they are clever enough to know the 4-byte IntelliMouse 3902 * protocol, and assume any other protocols use 3-byte packets. 3903 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3904 * correctly to the host computer because of this! 3905 * The following sequence is actually IntelliMouse's "wake up" 3906 * sequence; it will make the KVM think the mouse is IntelliMouse 3907 * when it is in fact IntelliMouse Explorer. 3908 */ 3909 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3910 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3911 break; 3912 get_aux_id(kbdc); 3913 3914 return (TRUE); 3915 } 3916 3917 /* MS IntelliMouse */ 3918 static int 3919 enable_msintelli(KBDC kbdc, struct psm_softc *sc) 3920 { 3921 /* 3922 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3923 * probe routine and act like IntelliMouse. 3924 */ 3925 3926 static u_char rate[] = { 200, 100, 80, }; 3927 int id; 3928 int i; 3929 3930 /* the special sequence to enable the third button and the roller. */ 3931 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3932 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3933 return (FALSE); 3934 /* the device will give the genuine ID only after the above sequence */ 3935 id = get_aux_id(kbdc); 3936 if (id != PSM_INTELLI_ID) 3937 return (FALSE); 3938 3939 if (sc != NULL) { 3940 sc->hw.buttons = 3; 3941 sc->hw.hwid = id; 3942 } 3943 3944 return (TRUE); 3945 } 3946 3947 /* A4 Tech 4D Mouse */ 3948 static int 3949 enable_4dmouse(KBDC kbdc, struct psm_softc *sc) 3950 { 3951 /* 3952 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3953 */ 3954 3955 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3956 int id; 3957 int i; 3958 3959 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3960 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3961 return (FALSE); 3962 id = get_aux_id(kbdc); 3963 /* 3964 * WinEasy 4D, 4 Way Scroll 4D: 6 3965 * Cable-Free 4D: 8 (4DPLUS) 3966 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3967 */ 3968 if (id != PSM_4DMOUSE_ID) 3969 return (FALSE); 3970 3971 if (sc != NULL) { 3972 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3973 sc->hw.hwid = id; 3974 } 3975 3976 return (TRUE); 3977 } 3978 3979 /* A4 Tech 4D+ Mouse */ 3980 static int 3981 enable_4dplus(KBDC kbdc, struct psm_softc *sc) 3982 { 3983 /* 3984 * Newer wheel mice from A4 Tech seem to use this protocol. 3985 * Older models are recognized as either 4D Mouse or IntelliMouse. 3986 */ 3987 int id; 3988 3989 /* 3990 * enable_4dmouse() already issued the following ID sequence... 3991 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3992 int i; 3993 3994 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3995 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3996 return (FALSE); 3997 */ 3998 3999 id = get_aux_id(kbdc); 4000 switch (id) { 4001 case PSM_4DPLUS_ID: 4002 break; 4003 case PSM_4DPLUS_RFSW35_ID: 4004 break; 4005 default: 4006 return (FALSE); 4007 } 4008 4009 if (sc != NULL) { 4010 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 4011 sc->hw.hwid = id; 4012 } 4013 4014 return (TRUE); 4015 } 4016 4017 /* Synaptics Touchpad */ 4018 static int 4019 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 4020 { 4021 int error, arg; 4022 4023 /* Read the current value. */ 4024 arg = *(int *)oidp->oid_arg1; 4025 error = sysctl_handle_int(oidp, &arg, 0, req); 4026 4027 /* Sanity check. */ 4028 if (error || !req->newptr) 4029 return (error); 4030 4031 /* 4032 * Check that the new value is in the concerned node's range 4033 * of values. 4034 */ 4035 switch (oidp->oid_arg2) { 4036 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 4037 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 4038 if (arg < 0 || arg > 255) 4039 return (EINVAL); 4040 break; 4041 case SYNAPTICS_SYSCTL_MAX_WIDTH: 4042 if (arg < 4 || arg > 15) 4043 return (EINVAL); 4044 break; 4045 case SYNAPTICS_SYSCTL_MARGIN_TOP: 4046 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 4047 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 4048 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 4049 case SYNAPTICS_SYSCTL_NA_TOP: 4050 case SYNAPTICS_SYSCTL_NA_RIGHT: 4051 case SYNAPTICS_SYSCTL_NA_BOTTOM: 4052 case SYNAPTICS_SYSCTL_NA_LEFT: 4053 if (arg < 0 || arg > 6143) 4054 return (EINVAL); 4055 break; 4056 case SYNAPTICS_SYSCTL_WINDOW_MIN: 4057 case SYNAPTICS_SYSCTL_WINDOW_MAX: 4058 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 4059 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 4060 return (EINVAL); 4061 break; 4062 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 4063 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 4064 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 4065 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 4066 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 4067 case SYNAPTICS_SYSCTL_DIV_MIN: 4068 case SYNAPTICS_SYSCTL_DIV_MAX: 4069 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 4070 case SYNAPTICS_SYSCTL_DIV_LEN: 4071 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 4072 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 4073 if (arg < 1) 4074 return (EINVAL); 4075 break; 4076 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 4077 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 4078 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 4079 if (arg < 0) 4080 return (EINVAL); 4081 break; 4082 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4083 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4084 if (arg < -6143 || arg > 6143) 4085 return (EINVAL); 4086 break; 4087 default: 4088 return (EINVAL); 4089 } 4090 4091 /* Update. */ 4092 *(int *)oidp->oid_arg1 = arg; 4093 4094 return (error); 4095 } 4096 4097 static void 4098 synaptics_sysctl_create_tree(struct psm_softc *sc) 4099 { 4100 4101 if (sc->syninfo.sysctl_tree != NULL) 4102 return; 4103 4104 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4105 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4106 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4107 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4108 0, "Synaptics TouchPad"); 4109 4110 /* hw.psm.synaptics.directional_scrolls. */ 4111 sc->syninfo.directional_scrolls = 1; 4112 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4113 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4114 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4115 &sc->syninfo.directional_scrolls, 0, 4116 "Enable hardware scrolling pad (if non-zero) or register it as " 4117 "a middle-click (if 0)"); 4118 4119 /* hw.psm.synaptics.min_pressure. */ 4120 sc->syninfo.min_pressure = 16; 4121 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4122 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4123 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4124 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4125 synaptics_sysctl, "I", 4126 "Minimum pressure required to start an action"); 4127 4128 /* hw.psm.synaptics.max_pressure. */ 4129 sc->syninfo.max_pressure = 220; 4130 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4131 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4132 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4133 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4134 synaptics_sysctl, "I", 4135 "Maximum pressure to detect palm"); 4136 4137 /* hw.psm.synaptics.max_width. */ 4138 sc->syninfo.max_width = 10; 4139 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4140 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4141 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4142 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4143 synaptics_sysctl, "I", 4144 "Maximum finger width to detect palm"); 4145 4146 /* hw.psm.synaptics.top_margin. */ 4147 sc->syninfo.margin_top = 200; 4148 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4149 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4150 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4151 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4152 synaptics_sysctl, "I", 4153 "Top margin"); 4154 4155 /* hw.psm.synaptics.right_margin. */ 4156 sc->syninfo.margin_right = 200; 4157 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4158 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4159 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4160 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4161 synaptics_sysctl, "I", 4162 "Right margin"); 4163 4164 /* hw.psm.synaptics.bottom_margin. */ 4165 sc->syninfo.margin_bottom = 200; 4166 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4167 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4168 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4169 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4170 synaptics_sysctl, "I", 4171 "Bottom margin"); 4172 4173 /* hw.psm.synaptics.left_margin. */ 4174 sc->syninfo.margin_left = 200; 4175 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4176 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4177 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4178 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4179 synaptics_sysctl, "I", 4180 "Left margin"); 4181 4182 /* hw.psm.synaptics.na_top. */ 4183 sc->syninfo.na_top = 1783; 4184 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4185 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4186 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4187 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4188 synaptics_sysctl, "I", 4189 "Top noisy area, where weight_previous_na is used instead " 4190 "of weight_previous"); 4191 4192 /* hw.psm.synaptics.na_right. */ 4193 sc->syninfo.na_right = 563; 4194 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4195 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4196 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4197 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4198 synaptics_sysctl, "I", 4199 "Right noisy area, where weight_previous_na is used instead " 4200 "of weight_previous"); 4201 4202 /* hw.psm.synaptics.na_bottom. */ 4203 sc->syninfo.na_bottom = 1408; 4204 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4205 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4206 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4207 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4208 synaptics_sysctl, "I", 4209 "Bottom noisy area, where weight_previous_na is used instead " 4210 "of weight_previous"); 4211 4212 /* hw.psm.synaptics.na_left. */ 4213 sc->syninfo.na_left = 1600; 4214 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4215 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4216 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4217 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4218 synaptics_sysctl, "I", 4219 "Left noisy area, where weight_previous_na is used instead " 4220 "of weight_previous"); 4221 4222 /* hw.psm.synaptics.window_min. */ 4223 sc->syninfo.window_min = 4; 4224 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4225 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4226 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4227 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4228 synaptics_sysctl, "I", 4229 "Minimum window size to start an action"); 4230 4231 /* hw.psm.synaptics.window_max. */ 4232 sc->syninfo.window_max = 10; 4233 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4234 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4235 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4236 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4237 synaptics_sysctl, "I", 4238 "Maximum window size"); 4239 4240 /* hw.psm.synaptics.multiplicator. */ 4241 sc->syninfo.multiplicator = 10000; 4242 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4243 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4244 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4245 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4246 synaptics_sysctl, "I", 4247 "Multiplicator to increase precision in averages and divisions"); 4248 4249 /* hw.psm.synaptics.weight_current. */ 4250 sc->syninfo.weight_current = 3; 4251 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4252 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4253 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4254 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4255 synaptics_sysctl, "I", 4256 "Weight of the current movement in the new average"); 4257 4258 /* hw.psm.synaptics.weight_previous. */ 4259 sc->syninfo.weight_previous = 6; 4260 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4261 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4262 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4263 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4264 synaptics_sysctl, "I", 4265 "Weight of the previous average"); 4266 4267 /* hw.psm.synaptics.weight_previous_na. */ 4268 sc->syninfo.weight_previous_na = 20; 4269 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4270 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4271 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4272 &sc->syninfo.weight_previous_na, 4273 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4274 synaptics_sysctl, "I", 4275 "Weight of the previous average (inside the noisy area)"); 4276 4277 /* hw.psm.synaptics.weight_len_squared. */ 4278 sc->syninfo.weight_len_squared = 2000; 4279 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4280 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4281 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4282 &sc->syninfo.weight_len_squared, 4283 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4284 synaptics_sysctl, "I", 4285 "Length (squared) of segments where weight_previous " 4286 "starts to decrease"); 4287 4288 /* hw.psm.synaptics.div_min. */ 4289 sc->syninfo.div_min = 9; 4290 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4291 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4292 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4293 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4294 synaptics_sysctl, "I", 4295 "Divisor for fast movements"); 4296 4297 /* hw.psm.synaptics.div_max. */ 4298 sc->syninfo.div_max = 17; 4299 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4300 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4301 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4302 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4303 synaptics_sysctl, "I", 4304 "Divisor for slow movements"); 4305 4306 /* hw.psm.synaptics.div_max_na. */ 4307 sc->syninfo.div_max_na = 30; 4308 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4309 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4310 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4311 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4312 synaptics_sysctl, "I", 4313 "Divisor with slow movements (inside the noisy area)"); 4314 4315 /* hw.psm.synaptics.div_len. */ 4316 sc->syninfo.div_len = 100; 4317 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4318 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4319 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4320 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4321 synaptics_sysctl, "I", 4322 "Length of segments where div_max starts to decrease"); 4323 4324 /* hw.psm.synaptics.tap_max_delta. */ 4325 sc->syninfo.tap_max_delta = 80; 4326 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4327 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4328 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4329 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4330 synaptics_sysctl, "I", 4331 "Length of segments above which a tap is ignored"); 4332 4333 /* hw.psm.synaptics.tap_min_queue. */ 4334 sc->syninfo.tap_min_queue = 2; 4335 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4336 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4337 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4338 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4339 synaptics_sysctl, "I", 4340 "Number of packets required to consider a tap"); 4341 4342 /* hw.psm.synaptics.taphold_timeout. */ 4343 sc->synaction.in_taphold = 0; 4344 sc->syninfo.taphold_timeout = tap_timeout; 4345 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4346 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4347 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4348 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4349 synaptics_sysctl, "I", 4350 "Maximum elapsed time between two taps to consider a tap-hold " 4351 "action"); 4352 4353 /* hw.psm.synaptics.vscroll_hor_area. */ 4354 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4355 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4356 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4357 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4358 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4359 synaptics_sysctl, "I", 4360 "Area reserved for horizontal virtual scrolling"); 4361 4362 /* hw.psm.synaptics.vscroll_ver_area. */ 4363 sc->syninfo.vscroll_ver_area = -600; 4364 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4365 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4366 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4367 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4368 synaptics_sysctl, "I", 4369 "Area reserved for vertical virtual scrolling"); 4370 4371 /* hw.psm.synaptics.vscroll_min_delta. */ 4372 sc->syninfo.vscroll_min_delta = 50; 4373 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4374 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4375 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4376 &sc->syninfo.vscroll_min_delta, 4377 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4378 synaptics_sysctl, "I", 4379 "Minimum movement to consider virtual scrolling"); 4380 4381 /* hw.psm.synaptics.vscroll_div_min. */ 4382 sc->syninfo.vscroll_div_min = 100; 4383 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4384 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4385 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4386 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4387 synaptics_sysctl, "I", 4388 "Divisor for fast scrolling"); 4389 4390 /* hw.psm.synaptics.vscroll_div_min. */ 4391 sc->syninfo.vscroll_div_max = 150; 4392 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4393 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4394 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4395 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4396 synaptics_sysctl, "I", 4397 "Divisor for slow scrolling"); 4398 } 4399 4400 static int 4401 enable_synaptics(KBDC kbdc, struct psm_softc *sc) 4402 { 4403 synapticshw_t synhw; 4404 int status[3]; 4405 int buttons; 4406 4407 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4408 4409 /* 4410 * Just to be on the safe side: this avoids troubles with 4411 * following mouse_ext_command() when the previous command 4412 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4413 * Synaptics Touchpad behaviour. 4414 */ 4415 set_mouse_scaling(kbdc, 1); 4416 4417 /* Identify the Touchpad version. */ 4418 if (mouse_ext_command(kbdc, 0) == 0) 4419 return (FALSE); 4420 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4421 return (FALSE); 4422 if (status[1] != 0x47) 4423 return (FALSE); 4424 4425 bzero(&synhw, sizeof(synhw)); 4426 synhw.infoMinor = status[0]; 4427 synhw.infoMajor = status[2] & 0x0f; 4428 4429 if (verbose >= 2) 4430 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 4431 synhw.infoMinor); 4432 4433 if (synhw.infoMajor < 4) { 4434 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4435 return (FALSE); 4436 } 4437 4438 /* Get the Touchpad model information. */ 4439 if (mouse_ext_command(kbdc, 3) == 0) 4440 return (FALSE); 4441 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4442 return (FALSE); 4443 if ((status[1] & 0x01) != 0) { 4444 printf(" Failed to read model information\n"); 4445 return (FALSE); 4446 } 4447 4448 synhw.infoRot180 = (status[0] & 0x80) != 0; 4449 synhw.infoPortrait = (status[0] & 0x40) != 0; 4450 synhw.infoSensor = status[0] & 0x3f; 4451 synhw.infoHardware = (status[1] & 0xfe) >> 1; 4452 synhw.infoNewAbs = (status[2] & 0x80) != 0; 4453 synhw.capPen = (status[2] & 0x40) != 0; 4454 synhw.infoSimplC = (status[2] & 0x20) != 0; 4455 synhw.infoGeometry = status[2] & 0x0f; 4456 4457 if (verbose >= 2) { 4458 printf(" Model information:\n"); 4459 printf(" infoRot180: %d\n", synhw.infoRot180); 4460 printf(" infoPortrait: %d\n", synhw.infoPortrait); 4461 printf(" infoSensor: %d\n", synhw.infoSensor); 4462 printf(" infoHardware: %d\n", synhw.infoHardware); 4463 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 4464 printf(" capPen: %d\n", synhw.capPen); 4465 printf(" infoSimplC: %d\n", synhw.infoSimplC); 4466 printf(" infoGeometry: %d\n", synhw.infoGeometry); 4467 } 4468 4469 /* Read the extended capability bits. */ 4470 if (mouse_ext_command(kbdc, 2) == 0) 4471 return (FALSE); 4472 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4473 return (FALSE); 4474 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4475 printf(" Failed to read extended capability bits\n"); 4476 return (FALSE); 4477 } 4478 4479 /* Set the different capabilities when they exist. */ 4480 buttons = 0; 4481 synhw.capExtended = (status[0] & 0x80) != 0; 4482 if (synhw.capExtended) { 4483 synhw.nExtendedQueries = (status[0] & 0x70) != 0; 4484 synhw.capMiddle = (status[0] & 0x04) != 0; 4485 synhw.capPassthrough = (status[2] & 0x80) != 0; 4486 synhw.capSleep = (status[2] & 0x10) != 0; 4487 synhw.capFourButtons = (status[2] & 0x08) != 0; 4488 synhw.capMultiFinger = (status[2] & 0x02) != 0; 4489 synhw.capPalmDetect = (status[2] & 0x01) != 0; 4490 4491 if (verbose >= 2) { 4492 printf(" Extended capabilities:\n"); 4493 printf(" capExtended: %d\n", synhw.capExtended); 4494 printf(" capMiddle: %d\n", synhw.capMiddle); 4495 printf(" nExtendedQueries: %d\n", 4496 synhw.nExtendedQueries); 4497 printf(" capPassthrough: %d\n", synhw.capPassthrough); 4498 printf(" capSleep: %d\n", synhw.capSleep); 4499 printf(" capFourButtons: %d\n", synhw.capFourButtons); 4500 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 4501 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 4502 } 4503 4504 /* 4505 * If nExtendedQueries is 1 or greater, then the TouchPad 4506 * supports this number of extended queries. We can load 4507 * more information about buttons using query 0x09. 4508 */ 4509 if (synhw.capExtended && synhw.nExtendedQueries) { 4510 if (mouse_ext_command(kbdc, 0x09) == 0) 4511 return (FALSE); 4512 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4513 return (FALSE); 4514 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 4515 /* 4516 * Add the number of extended buttons to the total 4517 * button support count, including the middle button 4518 * if capMiddle support bit is set. 4519 */ 4520 buttons = synhw.nExtendedButtons + synhw.capMiddle; 4521 } else 4522 /* 4523 * If the capFourButtons support bit is set, 4524 * add a fourth button to the total button count. 4525 */ 4526 buttons = synhw.capFourButtons ? 1 : 0; 4527 } 4528 if (verbose >= 2) { 4529 if (synhw.capExtended) 4530 printf(" Additional Buttons: %d\n", buttons); 4531 else 4532 printf(" No extended capabilities\n"); 4533 } 4534 4535 /* 4536 * Add the default number of 3 buttons to the total 4537 * count of supported buttons reported above. 4538 */ 4539 buttons += 3; 4540 4541 /* 4542 * Read the mode byte. 4543 * 4544 * XXX: Note the Synaptics documentation also defines the first 4545 * byte of the response to this query to be a constant 0x3b, this 4546 * does not appear to be true for Touchpads with guest devices. 4547 */ 4548 if (mouse_ext_command(kbdc, 1) == 0) 4549 return (FALSE); 4550 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4551 return (FALSE); 4552 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4553 printf(" Failed to read mode byte\n"); 4554 return (FALSE); 4555 } 4556 4557 if (sc != NULL) 4558 sc->synhw = synhw; 4559 if (!synaptics_support) 4560 return (FALSE); 4561 4562 /* Set the mode byte; request wmode where available. */ 4563 mouse_ext_command(kbdc, synhw.capExtended ? 0xc1 : 0xc0); 4564 4565 /* "Commit" the Set Mode Byte command sent above. */ 4566 set_mouse_sampling_rate(kbdc, 20); 4567 4568 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 4569 4570 if (sc != NULL) { 4571 /* Create sysctl tree. */ 4572 synaptics_sysctl_create_tree(sc); 4573 4574 sc->hw.buttons = buttons; 4575 } 4576 4577 return (TRUE); 4578 } 4579 4580 /* IBM/Lenovo TrackPoint */ 4581 static int 4582 trackpoint_command(KBDC kbdc, int cmd, int loc, int val) 4583 { 4584 const int seq[] = { 0xe2, cmd, loc, val }; 4585 int i; 4586 4587 for (i = 0; i < nitems(seq); i++) 4588 if (send_aux_command(kbdc, seq[i]) != PSM_ACK) 4589 return (EIO); 4590 return (0); 4591 } 4592 4593 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 4594 #define TPMASK 0 4595 #define TPLOC 1 4596 #define TPINFO 2 4597 4598 static int 4599 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 4600 { 4601 static const int data[][3] = { 4602 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 4603 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 4604 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 4605 { 0x00, 0x57, PSM_TPINFO(reach) }, 4606 { 0x00, 0x58, PSM_TPINFO(draghys) }, 4607 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 4608 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 4609 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 4610 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 4611 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 4612 { 0x01, 0x2c, PSM_TPINFO(pts) }, 4613 { 0x08, 0x2d, PSM_TPINFO(skipback) } 4614 }; 4615 struct psm_softc *sc; 4616 int error, newval, *oldvalp; 4617 const int *tp; 4618 4619 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 4620 return (EINVAL); 4621 sc = arg1; 4622 tp = data[arg2]; 4623 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 4624 newval = *oldvalp; 4625 error = sysctl_handle_int(oidp, &newval, 0, req); 4626 if (error != 0) 4627 return (error); 4628 if (newval == *oldvalp) 4629 return (0); 4630 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 4631 return (EINVAL); 4632 error = trackpoint_command(sc->kbdc, tp[TPMASK] == 0 ? 0x81 : 0x47, 4633 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 4634 if (error != 0) 4635 return (error); 4636 *oldvalp = newval; 4637 4638 return (0); 4639 } 4640 4641 static void 4642 trackpoint_sysctl_create_tree(struct psm_softc *sc) 4643 { 4644 4645 if (sc->tpinfo.sysctl_tree != NULL) 4646 return; 4647 4648 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 4649 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 4650 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 4651 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 4652 0, "IBM/Lenovo TrackPoint"); 4653 4654 /* hw.psm.trackpoint.sensitivity */ 4655 sc->tpinfo.sensitivity = 0x64; 4656 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4657 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4658 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4659 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 4660 trackpoint_sysctl, "I", 4661 "Sensitivity"); 4662 4663 /* hw.psm.trackpoint.negative_inertia */ 4664 sc->tpinfo.inertia = 0x06; 4665 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4666 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4667 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4668 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 4669 trackpoint_sysctl, "I", 4670 "Negative inertia factor"); 4671 4672 /* hw.psm.trackpoint.upper_plateau */ 4673 sc->tpinfo.uplateau = 0x61; 4674 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4675 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4676 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4677 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 4678 trackpoint_sysctl, "I", 4679 "Transfer function upper plateau speed"); 4680 4681 /* hw.psm.trackpoint.backup_range */ 4682 sc->tpinfo.reach = 0x0a; 4683 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4684 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4685 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4686 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 4687 trackpoint_sysctl, "I", 4688 "Backup range"); 4689 4690 /* hw.psm.trackpoint.drag_hysteresis */ 4691 sc->tpinfo.draghys = 0xff; 4692 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4693 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4694 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4695 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 4696 trackpoint_sysctl, "I", 4697 "Drag hysteresis"); 4698 4699 /* hw.psm.trackpoint.minimum_drag */ 4700 sc->tpinfo.mindrag = 0x14; 4701 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4702 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4703 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4704 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 4705 trackpoint_sysctl, "I", 4706 "Minimum drag"); 4707 4708 /* hw.psm.trackpoint.up_threshold */ 4709 sc->tpinfo.upthresh = 0xff; 4710 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4711 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4712 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4713 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 4714 trackpoint_sysctl, "I", 4715 "Up threshold for release"); 4716 4717 /* hw.psm.trackpoint.threshold */ 4718 sc->tpinfo.threshold = 0x08; 4719 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4720 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4721 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4722 sc, TRACKPOINT_SYSCTL_THRESHOLD, 4723 trackpoint_sysctl, "I", 4724 "Threshold"); 4725 4726 /* hw.psm.trackpoint.jenks_curvature */ 4727 sc->tpinfo.jenks = 0x87; 4728 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4729 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4730 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4731 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 4732 trackpoint_sysctl, "I", 4733 "Jenks curvature"); 4734 4735 /* hw.psm.trackpoint.z_time */ 4736 sc->tpinfo.ztime = 0x26; 4737 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4738 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4739 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4740 sc, TRACKPOINT_SYSCTL_Z_TIME, 4741 trackpoint_sysctl, "I", 4742 "Z time constant"); 4743 4744 /* hw.psm.trackpoint.press_to_select */ 4745 sc->tpinfo.pts = 0x00; 4746 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4747 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4748 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4749 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 4750 trackpoint_sysctl, "I", 4751 "Press to Select"); 4752 4753 /* hw.psm.trackpoint.skip_backups */ 4754 sc->tpinfo.skipback = 0x00; 4755 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4756 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4757 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4758 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 4759 trackpoint_sysctl, "I", 4760 "Skip backups from drags"); 4761 } 4762 4763 static int 4764 enable_trackpoint(KBDC kbdc, struct psm_softc *sc) 4765 { 4766 int id; 4767 4768 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 4769 read_aux_data(kbdc) != 0x01) 4770 return (FALSE); 4771 id = read_aux_data(kbdc); 4772 if (id < 0x01) 4773 return (FALSE); 4774 if (sc != NULL) 4775 sc->tphw = id; 4776 if (!trackpoint_support) 4777 return (FALSE); 4778 4779 if (sc != NULL) { 4780 /* Create sysctl tree. */ 4781 trackpoint_sysctl_create_tree(sc); 4782 4783 trackpoint_command(kbdc, 0x81, 0x4a, sc->tpinfo.sensitivity); 4784 trackpoint_command(kbdc, 0x81, 0x4d, sc->tpinfo.inertia); 4785 trackpoint_command(kbdc, 0x81, 0x60, sc->tpinfo.uplateau); 4786 trackpoint_command(kbdc, 0x81, 0x57, sc->tpinfo.reach); 4787 trackpoint_command(kbdc, 0x81, 0x58, sc->tpinfo.draghys); 4788 trackpoint_command(kbdc, 0x81, 0x59, sc->tpinfo.mindrag); 4789 trackpoint_command(kbdc, 0x81, 0x5a, sc->tpinfo.upthresh); 4790 trackpoint_command(kbdc, 0x81, 0x5c, sc->tpinfo.threshold); 4791 trackpoint_command(kbdc, 0x81, 0x5d, sc->tpinfo.jenks); 4792 trackpoint_command(kbdc, 0x81, 0x5e, sc->tpinfo.ztime); 4793 if (sc->tpinfo.pts == 0x01) 4794 trackpoint_command(kbdc, 0x47, 0x2c, 0x01); 4795 if (sc->tpinfo.skipback == 0x01) 4796 trackpoint_command(kbdc, 0x47, 0x2d, 0x08); 4797 4798 sc->hw.hwid = id; 4799 sc->hw.buttons = 3; 4800 } 4801 4802 return (TRUE); 4803 } 4804 4805 /* Interlink electronics VersaPad */ 4806 static int 4807 enable_versapad(KBDC kbdc, struct psm_softc *sc) 4808 { 4809 int data[3]; 4810 4811 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4812 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4813 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4814 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4815 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4816 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4817 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4818 return (FALSE); 4819 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4820 return (FALSE); 4821 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4822 4823 return (TRUE); /* PS/2 absolute mode */ 4824 } 4825 4826 /* 4827 * Return true if 'now' is earlier than (start + (secs.usecs)). 4828 * Now may be NULL and the function will fetch the current time from 4829 * getmicrouptime(), or a cached 'now' can be passed in. 4830 * All values should be numbers derived from getmicrouptime(). 4831 */ 4832 static int 4833 timeelapsed(start, secs, usecs, now) 4834 const struct timeval *start, *now; 4835 int secs, usecs; 4836 { 4837 struct timeval snow, tv; 4838 4839 /* if there is no 'now' passed in, the get it as a convience. */ 4840 if (now == NULL) { 4841 getmicrouptime(&snow); 4842 now = &snow; 4843 } 4844 4845 tv.tv_sec = secs; 4846 tv.tv_usec = usecs; 4847 timevaladd(&tv, start); 4848 return (timevalcmp(&tv, now, <)); 4849 } 4850 4851 static int 4852 psmresume(device_t dev) 4853 { 4854 struct psm_softc *sc = device_get_softc(dev); 4855 int unit = device_get_unit(dev); 4856 int err; 4857 4858 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4859 4860 if ((sc->config & 4861 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 4862 return (0); 4863 4864 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4865 4866 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4867 /* 4868 * Release the blocked process; it must be notified that 4869 * the device cannot be accessed anymore. 4870 */ 4871 sc->state &= ~PSM_ASLP; 4872 wakeup(sc); 4873 } 4874 4875 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4876 4877 return (err); 4878 } 4879 4880 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 4881 4882 #ifdef DEV_ISA 4883 4884 /* 4885 * This sucks up assignments from PNPBIOS and ACPI. 4886 */ 4887 4888 /* 4889 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4890 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4891 * can be probed and attached only after the AT keyboard controller is 4892 * attached, we shall quietly reserve the IRQ resource for later use. 4893 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4894 * copy the IRQ resource to the PS/2 mouse device instance hanging 4895 * under the keyboard controller, then probe and attach it. 4896 */ 4897 4898 static devclass_t psmcpnp_devclass; 4899 4900 static device_probe_t psmcpnp_probe; 4901 static device_attach_t psmcpnp_attach; 4902 4903 static device_method_t psmcpnp_methods[] = { 4904 DEVMETHOD(device_probe, psmcpnp_probe), 4905 DEVMETHOD(device_attach, psmcpnp_attach), 4906 4907 { 0, 0 } 4908 }; 4909 4910 static driver_t psmcpnp_driver = { 4911 PSMCPNP_DRIVER_NAME, 4912 psmcpnp_methods, 4913 1, /* no softc */ 4914 }; 4915 4916 static struct isa_pnp_id psmcpnp_ids[] = { 4917 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4918 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4919 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4920 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4921 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4922 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4923 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4924 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4925 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4926 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4927 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4928 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4929 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4930 { 0 } 4931 }; 4932 4933 static int 4934 create_a_copy(device_t atkbdc, device_t me) 4935 { 4936 device_t psm; 4937 u_long irq; 4938 4939 /* find the PS/2 mouse device instance under the keyboard controller */ 4940 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4941 device_get_unit(atkbdc)); 4942 if (psm == NULL) 4943 return (ENXIO); 4944 if (device_get_state(psm) != DS_NOTPRESENT) 4945 return (0); 4946 4947 /* move our resource to the found device */ 4948 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4949 bus_delete_resource(me, SYS_RES_IRQ, 0); 4950 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 4951 4952 /* ...then probe and attach it */ 4953 return (device_probe_and_attach(psm)); 4954 } 4955 4956 static int 4957 psmcpnp_probe(device_t dev) 4958 { 4959 struct resource *res; 4960 u_long irq; 4961 int rid; 4962 4963 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4964 return (ENXIO); 4965 4966 /* 4967 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4968 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4969 * declares the PS/2 mouse device node without an IRQ resource! 4970 * If this happens, we shall refer to device hints. 4971 * If we still don't find it there, use a hardcoded value... XXX 4972 */ 4973 rid = 0; 4974 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4975 if (irq <= 0) { 4976 if (resource_long_value(PSM_DRIVER_NAME, 4977 device_get_unit(dev),"irq", &irq) != 0) 4978 irq = 12; /* XXX */ 4979 device_printf(dev, "irq resource info is missing; " 4980 "assuming irq %ld\n", irq); 4981 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 4982 } 4983 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 4984 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4985 4986 /* keep quiet */ 4987 if (!bootverbose) 4988 device_quiet(dev); 4989 4990 return ((res == NULL) ? ENXIO : 0); 4991 } 4992 4993 static int 4994 psmcpnp_attach(device_t dev) 4995 { 4996 device_t atkbdc; 4997 4998 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4999 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 5000 device_get_unit(dev)); 5001 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 5002 create_a_copy(atkbdc, dev); 5003 5004 return (0); 5005 } 5006 5007 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 5008 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 5009 5010 #endif /* DEV_ISA */ 5011