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 SYNAPTICS_SYSCTL_TOUCHPAD_OFF 196 }; 197 198 typedef struct synapticsinfo { 199 struct sysctl_ctx_list sysctl_ctx; 200 struct sysctl_oid *sysctl_tree; 201 int directional_scrolls; 202 int two_finger_scroll; 203 int min_pressure; 204 int max_pressure; 205 int max_width; 206 int margin_top; 207 int margin_right; 208 int margin_bottom; 209 int margin_left; 210 int na_top; 211 int na_right; 212 int na_bottom; 213 int na_left; 214 int window_min; 215 int window_max; 216 int multiplicator; 217 int weight_current; 218 int weight_previous; 219 int weight_previous_na; 220 int weight_len_squared; 221 int div_min; 222 int div_max; 223 int div_max_na; 224 int div_len; 225 int tap_max_delta; 226 int tap_min_queue; 227 int taphold_timeout; 228 int vscroll_ver_area; 229 int vscroll_hor_area; 230 int vscroll_min_delta; 231 int vscroll_div_min; 232 int vscroll_div_max; 233 int touchpad_off; 234 } synapticsinfo_t; 235 236 typedef struct synapticspacket { 237 int x; 238 int y; 239 } synapticspacket_t; 240 241 #define SYNAPTICS_PACKETQUEUE 10 242 #define SYNAPTICS_QUEUE_CURSOR(x) \ 243 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 244 245 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 246 ((synhw).infoMajor > (major) || \ 247 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 248 249 typedef struct synapticsaction { 250 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 251 int queue_len; 252 int queue_cursor; 253 int window_min; 254 int start_x; 255 int start_y; 256 int avg_dx; 257 int avg_dy; 258 int squelch_x; 259 int squelch_y; 260 int fingers_nb; 261 int tap_button; 262 int in_taphold; 263 int in_vscroll; 264 } synapticsaction_t; 265 266 enum { 267 TRACKPOINT_SYSCTL_SENSITIVITY, 268 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 269 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 270 TRACKPOINT_SYSCTL_BACKUP_RANGE, 271 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 272 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 273 TRACKPOINT_SYSCTL_UP_THRESHOLD, 274 TRACKPOINT_SYSCTL_THRESHOLD, 275 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 276 TRACKPOINT_SYSCTL_Z_TIME, 277 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 278 TRACKPOINT_SYSCTL_SKIP_BACKUPS 279 }; 280 281 typedef struct trackpointinfo { 282 struct sysctl_ctx_list sysctl_ctx; 283 struct sysctl_oid *sysctl_tree; 284 int sensitivity; 285 int inertia; 286 int uplateau; 287 int reach; 288 int draghys; 289 int mindrag; 290 int upthresh; 291 int threshold; 292 int jenks; 293 int ztime; 294 int pts; 295 int skipback; 296 } trackpointinfo_t; 297 298 /* driver control block */ 299 struct psm_softc { /* Driver status information */ 300 int unit; 301 struct selinfo rsel; /* Process selecting for Input */ 302 u_char state; /* Mouse driver state */ 303 int config; /* driver configuration flags */ 304 int flags; /* other flags */ 305 KBDC kbdc; /* handle to access kbd controller */ 306 struct resource *intr; /* IRQ resource */ 307 void *ih; /* interrupt handle */ 308 mousehw_t hw; /* hardware information */ 309 synapticshw_t synhw; /* Synaptics hardware information */ 310 synapticsinfo_t syninfo; /* Synaptics configuration */ 311 synapticsaction_t synaction; /* Synaptics action context */ 312 int tphw; /* TrackPoint hardware information */ 313 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 314 mousemode_t mode; /* operation mode */ 315 mousemode_t dflt_mode; /* default operation mode */ 316 mousestatus_t status; /* accumulated mouse movement */ 317 ringbuf_t queue; /* mouse status queue */ 318 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 319 int pqueue_start; /* start of data in queue */ 320 int pqueue_end; /* end of data in queue */ 321 int button; /* the latest button state */ 322 int xold; /* previous absolute X position */ 323 int yold; /* previous absolute Y position */ 324 int xaverage; /* average X position */ 325 int yaverage; /* average Y position */ 326 int squelch; /* level to filter movement at low speed */ 327 int zmax; /* maximum pressure value for touchpads */ 328 int syncerrors; /* # of bytes discarded to synchronize */ 329 int pkterrors; /* # of packets failed during quaranteen. */ 330 struct timeval inputtimeout; 331 struct timeval lastsoftintr; /* time of last soft interrupt */ 332 struct timeval lastinputerr; /* time last sync error happened */ 333 struct timeval taptimeout; /* tap timeout for touchpads */ 334 int watchdog; /* watchdog timer flag */ 335 struct callout callout; /* watchdog timer call out */ 336 struct callout softcallout; /* buffer timer call out */ 337 struct cdev *dev; 338 struct cdev *bdev; 339 int lasterr; 340 int cmdcount; 341 struct sigio *async; /* Processes waiting for SIGIO */ 342 int extended_buttons; 343 }; 344 static devclass_t psm_devclass; 345 346 /* driver state flags (state) */ 347 #define PSM_VALID 0x80 348 #define PSM_OPEN 1 /* Device is open */ 349 #define PSM_ASLP 2 /* Waiting for mouse data */ 350 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 351 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 352 353 /* driver configuration flags (config) */ 354 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 355 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 356 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 357 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 358 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 359 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 360 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 361 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 362 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 363 364 #define PSM_CONFIG_FLAGS \ 365 (PSM_CONFIG_RESOLUTION | \ 366 PSM_CONFIG_ACCEL | \ 367 PSM_CONFIG_NOCHECKSYNC | \ 368 PSM_CONFIG_NOIDPROBE | \ 369 PSM_CONFIG_NORESET | \ 370 PSM_CONFIG_FORCETAP | \ 371 PSM_CONFIG_IGNPORTERROR | \ 372 PSM_CONFIG_HOOKRESUME | \ 373 PSM_CONFIG_INITAFTERSUSPEND) 374 375 /* other flags (flags) */ 376 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 377 378 #define kbdcp(p) ((atkbdc_softc_t *)(p)) 379 #define ALWAYS_RESTORE_CONTROLLER(kbdc) !(kbdcp(kbdc)->quirks \ 380 & KBDC_QUIRK_KEEP_ACTIVATED) 381 382 /* Tunables */ 383 static int tap_enabled = -1; 384 TUNABLE_INT("hw.psm.tap_enabled", &tap_enabled); 385 386 static int synaptics_support = 0; 387 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 388 389 static int trackpoint_support = 0; 390 TUNABLE_INT("hw.psm.trackpoint_support", &trackpoint_support); 391 392 static int verbose = PSM_DEBUG; 393 TUNABLE_INT("debug.psm.loglevel", &verbose); 394 395 /* for backward compatibility */ 396 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 397 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 398 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 399 400 typedef struct old_mousehw { 401 int buttons; 402 int iftype; 403 int type; 404 int hwid; 405 } old_mousehw_t; 406 407 typedef struct old_mousemode { 408 int protocol; 409 int rate; 410 int resolution; 411 int accelfactor; 412 } old_mousemode_t; 413 414 /* packet formatting function */ 415 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 416 mousestatus_t *); 417 418 /* function prototypes */ 419 static void psmidentify(driver_t *, device_t); 420 static int psmprobe(device_t); 421 static int psmattach(device_t); 422 static int psmdetach(device_t); 423 static int psmresume(device_t); 424 425 static d_open_t psmopen; 426 static d_close_t psmclose; 427 static d_read_t psmread; 428 static d_write_t psmwrite; 429 static d_ioctl_t psmioctl; 430 static d_poll_t psmpoll; 431 432 static int enable_aux_dev(KBDC); 433 static int disable_aux_dev(KBDC); 434 static int get_mouse_status(KBDC, int *, int, int); 435 static int get_aux_id(KBDC); 436 static int set_mouse_sampling_rate(KBDC, int); 437 static int set_mouse_scaling(KBDC, int); 438 static int set_mouse_resolution(KBDC, int); 439 static int set_mouse_mode(KBDC); 440 static int get_mouse_buttons(KBDC); 441 static int is_a_mouse(int); 442 static void recover_from_error(KBDC); 443 static int restore_controller(KBDC, int); 444 static int doinitialize(struct psm_softc *, mousemode_t *); 445 static int doopen(struct psm_softc *, int); 446 static int reinitialize(struct psm_softc *, int); 447 static char *model_name(int); 448 static void psmsoftintr(void *); 449 static void psmintr(void *); 450 static void psmtimeout(void *); 451 static int timeelapsed(const struct timeval *, int, int, 452 const struct timeval *); 453 static void dropqueue(struct psm_softc *); 454 static void flushpackets(struct psm_softc *); 455 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 456 mousestatus_t *, int *, int *, int *); 457 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 458 mousestatus_t *, int *, int *, int *); 459 static void proc_versapad(struct psm_softc *, packetbuf_t *, 460 mousestatus_t *, int *, int *, int *); 461 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 462 u_char *); 463 464 /* vendor specific features */ 465 enum probearg { PROBE, REINIT }; 466 typedef int probefunc_t(struct psm_softc *, enum probearg); 467 468 static int mouse_id_proc1(KBDC, int, int, int *); 469 static int mouse_ext_command(KBDC, int); 470 471 static probefunc_t enable_groller; 472 static probefunc_t enable_gmouse; 473 static probefunc_t enable_aglide; 474 static probefunc_t enable_kmouse; 475 static probefunc_t enable_msexplorer; 476 static probefunc_t enable_msintelli; 477 static probefunc_t enable_4dmouse; 478 static probefunc_t enable_4dplus; 479 static probefunc_t enable_mmanplus; 480 static probefunc_t enable_synaptics; 481 static probefunc_t enable_trackpoint; 482 static probefunc_t enable_versapad; 483 484 static void set_trackpoint_parameters(struct psm_softc *sc); 485 static void synaptics_passthrough_on(struct psm_softc *sc); 486 static void synaptics_passthrough_off(struct psm_softc *sc); 487 static int synaptics_preferred_mode(struct psm_softc *sc); 488 static void synaptics_set_mode(struct psm_softc *sc, int mode_byte); 489 490 static struct { 491 int model; 492 u_char syncmask; 493 int packetsize; 494 probefunc_t *probefunc; 495 } vendortype[] = { 496 /* 497 * WARNING: the order of probe is very important. Don't mess it 498 * unless you know what you are doing. 499 */ 500 { MOUSE_MODEL_NET, /* Genius NetMouse */ 501 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 502 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 503 0xc8, 6, enable_groller }, 504 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 505 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 506 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 507 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 508 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 509 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 510 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 511 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 512 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 513 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 514 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 515 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 516 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 517 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 518 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 519 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 520 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 521 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 522 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 523 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 524 { MOUSE_MODEL_GENERIC, 525 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 526 }; 527 #define GENERIC_MOUSE_ENTRY \ 528 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 529 530 /* device driver declarateion */ 531 static device_method_t psm_methods[] = { 532 /* Device interface */ 533 DEVMETHOD(device_identify, psmidentify), 534 DEVMETHOD(device_probe, psmprobe), 535 DEVMETHOD(device_attach, psmattach), 536 DEVMETHOD(device_detach, psmdetach), 537 DEVMETHOD(device_resume, psmresume), 538 539 { 0, 0 } 540 }; 541 542 static driver_t psm_driver = { 543 PSM_DRIVER_NAME, 544 psm_methods, 545 sizeof(struct psm_softc), 546 }; 547 548 static struct cdevsw psm_cdevsw = { 549 .d_version = D_VERSION, 550 .d_flags = D_NEEDGIANT, 551 .d_open = psmopen, 552 .d_close = psmclose, 553 .d_read = psmread, 554 .d_write = psmwrite, 555 .d_ioctl = psmioctl, 556 .d_poll = psmpoll, 557 .d_name = PSM_DRIVER_NAME, 558 }; 559 560 /* device I/O routines */ 561 static int 562 enable_aux_dev(KBDC kbdc) 563 { 564 int res; 565 566 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 567 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 568 569 return (res == PSM_ACK); 570 } 571 572 static int 573 disable_aux_dev(KBDC kbdc) 574 { 575 int res; 576 577 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 578 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 579 580 return (res == PSM_ACK); 581 } 582 583 static int 584 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 585 { 586 int cmd; 587 int res; 588 int i; 589 590 switch (flag) { 591 case 0: 592 default: 593 cmd = PSMC_SEND_DEV_STATUS; 594 break; 595 case 1: 596 cmd = PSMC_SEND_DEV_DATA; 597 break; 598 } 599 empty_aux_buffer(kbdc, 5); 600 res = send_aux_command(kbdc, cmd); 601 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 602 (flag == 1) ? "DATA" : "STATUS", res)); 603 if (res != PSM_ACK) 604 return (0); 605 606 for (i = 0; i < len; ++i) { 607 status[i] = read_aux_data(kbdc); 608 if (status[i] < 0) 609 break; 610 } 611 612 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 613 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 614 615 return (i); 616 } 617 618 static int 619 get_aux_id(KBDC kbdc) 620 { 621 int res; 622 int id; 623 624 empty_aux_buffer(kbdc, 5); 625 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 626 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 627 if (res != PSM_ACK) 628 return (-1); 629 630 /* 10ms delay */ 631 DELAY(10000); 632 633 id = read_aux_data(kbdc); 634 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 635 636 return (id); 637 } 638 639 static int 640 set_mouse_sampling_rate(KBDC kbdc, int rate) 641 { 642 int res; 643 644 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 645 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 646 647 return ((res == PSM_ACK) ? rate : -1); 648 } 649 650 static int 651 set_mouse_scaling(KBDC kbdc, int scale) 652 { 653 int res; 654 655 switch (scale) { 656 case 1: 657 default: 658 scale = PSMC_SET_SCALING11; 659 break; 660 case 2: 661 scale = PSMC_SET_SCALING21; 662 break; 663 } 664 res = send_aux_command(kbdc, scale); 665 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 666 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 667 668 return (res == PSM_ACK); 669 } 670 671 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 672 static int 673 set_mouse_resolution(KBDC kbdc, int val) 674 { 675 int res; 676 677 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 678 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 679 680 return ((res == PSM_ACK) ? val : -1); 681 } 682 683 /* 684 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 685 * re-enabled by calling `enable_aux_dev()' 686 */ 687 static int 688 set_mouse_mode(KBDC kbdc) 689 { 690 int res; 691 692 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 693 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 694 695 return (res == PSM_ACK); 696 } 697 698 static int 699 get_mouse_buttons(KBDC kbdc) 700 { 701 int c = 2; /* assume two buttons by default */ 702 int status[3]; 703 704 /* 705 * NOTE: a special sequence to obtain Logitech Mouse specific 706 * information: set resolution to 25 ppi, set scaling to 1:1, set 707 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 708 * mouse status bytes is the number of available buttons. 709 * Some manufactures also support this sequence. 710 */ 711 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 712 return (c); 713 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 714 set_mouse_scaling(kbdc, 1) && 715 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 716 return (status[1]); 717 return (c); 718 } 719 720 /* misc subroutines */ 721 /* 722 * Someday, I will get the complete list of valid pointing devices and 723 * their IDs... XXX 724 */ 725 static int 726 is_a_mouse(int id) 727 { 728 #if 0 729 static int valid_ids[] = { 730 PSM_MOUSE_ID, /* mouse */ 731 PSM_BALLPOINT_ID, /* ballpoint device */ 732 PSM_INTELLI_ID, /* Intellimouse */ 733 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 734 -1 /* end of table */ 735 }; 736 int i; 737 738 for (i = 0; valid_ids[i] >= 0; ++i) 739 if (valid_ids[i] == id) 740 return (TRUE); 741 return (FALSE); 742 #else 743 return (TRUE); 744 #endif 745 } 746 747 static char * 748 model_name(int model) 749 { 750 static struct { 751 int model_code; 752 char *model_name; 753 } models[] = { 754 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 755 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 756 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 757 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 758 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 759 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 760 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 761 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 762 { MOUSE_MODEL_4D, "4D Mouse" }, 763 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 764 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 765 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 766 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 767 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 768 }; 769 int i; 770 771 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 772 if (models[i].model_code == model) 773 break; 774 return (models[i].model_name); 775 } 776 777 static void 778 recover_from_error(KBDC kbdc) 779 { 780 /* discard anything left in the output buffer */ 781 empty_both_buffers(kbdc, 10); 782 783 #if 0 784 /* 785 * NOTE: KBDC_RESET_KBD may not restore the communication between the 786 * keyboard and the controller. 787 */ 788 reset_kbd(kbdc); 789 #else 790 /* 791 * NOTE: somehow diagnostic and keyboard port test commands bring the 792 * keyboard back. 793 */ 794 if (!test_controller(kbdc)) 795 log(LOG_ERR, "psm: keyboard controller failed.\n"); 796 /* if there isn't a keyboard in the system, the following error is OK */ 797 if (test_kbd_port(kbdc) != 0) 798 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 799 #endif 800 } 801 802 static int 803 restore_controller(KBDC kbdc, int command_byte) 804 { 805 empty_both_buffers(kbdc, 10); 806 807 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 808 log(LOG_ERR, "psm: failed to restore the keyboard controller " 809 "command byte.\n"); 810 empty_both_buffers(kbdc, 10); 811 return (FALSE); 812 } else { 813 empty_both_buffers(kbdc, 10); 814 return (TRUE); 815 } 816 } 817 818 /* 819 * Re-initialize the aux port and device. The aux port must be enabled 820 * and its interrupt must be disabled before calling this routine. 821 * The aux device will be disabled before returning. 822 * The keyboard controller must be locked via `kbdc_lock()' before 823 * calling this routine. 824 */ 825 static int 826 doinitialize(struct psm_softc *sc, mousemode_t *mode) 827 { 828 KBDC kbdc = sc->kbdc; 829 int stat[3]; 830 int i; 831 832 switch((i = test_aux_port(kbdc))) { 833 case 1: /* ignore these errors */ 834 case 2: 835 case 3: 836 case PSM_ACK: 837 if (verbose) 838 log(LOG_DEBUG, 839 "psm%d: strange result for test aux port (%d).\n", 840 sc->unit, i); 841 /* FALLTHROUGH */ 842 case 0: /* no error */ 843 break; 844 case -1: /* time out */ 845 default: /* error */ 846 recover_from_error(kbdc); 847 if (sc->config & PSM_CONFIG_IGNPORTERROR) 848 break; 849 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 850 sc->unit, i); 851 return (FALSE); 852 } 853 854 if (sc->config & PSM_CONFIG_NORESET) { 855 /* 856 * Don't try to reset the pointing device. It may possibly 857 * be left in the unknown state, though... 858 */ 859 } else { 860 /* 861 * NOTE: some controllers appears to hang the `keyboard' when 862 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 863 */ 864 if (!reset_aux_dev(kbdc)) { 865 recover_from_error(kbdc); 866 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 867 sc->unit); 868 return (FALSE); 869 } 870 } 871 872 /* 873 * both the aux port and the aux device is functioning, see 874 * if the device can be enabled. 875 */ 876 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 877 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 878 sc->unit); 879 return (FALSE); 880 } 881 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 882 883 /* Re-enable the mouse. */ 884 for (i = 0; vendortype[i].probefunc != NULL; ++i) 885 if (vendortype[i].model == sc->hw.model) 886 (*vendortype[i].probefunc)(sc, REINIT); 887 888 /* set mouse parameters */ 889 if (mode != (mousemode_t *)NULL) { 890 if (mode->rate > 0) 891 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 892 if (mode->resolution >= 0) 893 mode->resolution = 894 set_mouse_resolution(kbdc, mode->resolution); 895 set_mouse_scaling(kbdc, 1); 896 set_mouse_mode(kbdc); 897 } 898 899 /* Record sync on the next data packet we see. */ 900 sc->flags |= PSM_NEED_SYNCBITS; 901 902 /* just check the status of the mouse */ 903 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 904 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 905 sc->unit); 906 907 return (TRUE); 908 } 909 910 static int 911 doopen(struct psm_softc *sc, int command_byte) 912 { 913 int stat[3]; 914 915 /* 916 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 917 * no obvious reason. Thus we check the current mode and restore the 918 * Absolute Mode if it was cleared. 919 * 920 * The previous hack at the end of psmprobe() wasn't efficient when 921 * moused(8) was restarted. 922 * 923 * A Reset (FF) or Set Defaults (F6) command would clear the 924 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 925 * doesn't show any evidence of such a command. 926 */ 927 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 928 mouse_ext_command(sc->kbdc, 1); 929 get_mouse_status(sc->kbdc, stat, 0, 3); 930 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 931 stat[1] == 0x47) && 932 stat[2] == 0x40) { 933 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 934 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 935 "hopefully restored\n", 936 sc->unit)); 937 } 938 } 939 940 /* 941 * A user may want to disable tap and drag gestures on a Synaptics 942 * TouchPad when it operates in Relative Mode. 943 */ 944 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 945 if (tap_enabled > 0) { 946 /* 947 * Enable tap & drag gestures. We use a Mode Byte 948 * and clear the DisGest bit (see §2.5 of Synaptics 949 * TouchPad Interfacing Guide). 950 */ 951 VLOG(2, (LOG_DEBUG, 952 "psm%d: enable tap and drag gestures\n", 953 sc->unit)); 954 mouse_ext_command(sc->kbdc, 0x00); 955 set_mouse_sampling_rate(sc->kbdc, 20); 956 } else if (tap_enabled == 0) { 957 /* 958 * Disable tap & drag gestures. We use a Mode Byte 959 * and set the DisGest bit (see §2.5 of Synaptics 960 * TouchPad Interfacing Guide). 961 */ 962 VLOG(2, (LOG_DEBUG, 963 "psm%d: disable tap and drag gestures\n", 964 sc->unit)); 965 mouse_ext_command(sc->kbdc, 0x04); 966 set_mouse_sampling_rate(sc->kbdc, 20); 967 } 968 } 969 970 /* enable the mouse device */ 971 if (!enable_aux_dev(sc->kbdc)) { 972 /* MOUSE ERROR: failed to enable the mouse because: 973 * 1) the mouse is faulty, 974 * 2) the mouse has been removed(!?) 975 * In the latter case, the keyboard may have hung, and need 976 * recovery procedure... 977 */ 978 recover_from_error(sc->kbdc); 979 #if 0 980 /* FIXME: we could reset the mouse here and try to enable 981 * it again. But it will take long time and it's not a good 982 * idea to disable the keyboard that long... 983 */ 984 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 985 recover_from_error(sc->kbdc); 986 #else 987 { 988 #endif 989 restore_controller(sc->kbdc, command_byte); 990 /* mark this device is no longer available */ 991 sc->state &= ~PSM_VALID; 992 log(LOG_ERR, 993 "psm%d: failed to enable the device (doopen).\n", 994 sc->unit); 995 return (EIO); 996 } 997 } 998 999 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1000 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 1001 sc->unit); 1002 1003 /* enable the aux port and interrupt */ 1004 if (!set_controller_command_byte(sc->kbdc, 1005 kbdc_get_device_mask(sc->kbdc), 1006 (command_byte & KBD_KBD_CONTROL_BITS) | 1007 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1008 /* CONTROLLER ERROR */ 1009 disable_aux_dev(sc->kbdc); 1010 restore_controller(sc->kbdc, command_byte); 1011 log(LOG_ERR, 1012 "psm%d: failed to enable the aux interrupt (doopen).\n", 1013 sc->unit); 1014 return (EIO); 1015 } 1016 1017 /* start the watchdog timer */ 1018 sc->watchdog = FALSE; 1019 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1020 1021 return (0); 1022 } 1023 1024 static int 1025 reinitialize(struct psm_softc *sc, int doinit) 1026 { 1027 int err; 1028 int c; 1029 int s; 1030 1031 /* don't let anybody mess with the aux device */ 1032 if (!kbdc_lock(sc->kbdc, TRUE)) 1033 return (EIO); 1034 s = spltty(); 1035 1036 /* block our watchdog timer */ 1037 sc->watchdog = FALSE; 1038 callout_stop(&sc->callout); 1039 1040 /* save the current controller command byte */ 1041 empty_both_buffers(sc->kbdc, 10); 1042 c = get_controller_command_byte(sc->kbdc); 1043 VLOG(2, (LOG_DEBUG, 1044 "psm%d: current command byte: %04x (reinitialize).\n", 1045 sc->unit, c)); 1046 1047 /* enable the aux port but disable the aux interrupt and the keyboard */ 1048 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1049 kbdc_get_device_mask(sc->kbdc), 1050 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1051 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1052 /* CONTROLLER ERROR */ 1053 splx(s); 1054 kbdc_lock(sc->kbdc, FALSE); 1055 log(LOG_ERR, 1056 "psm%d: unable to set the command byte (reinitialize).\n", 1057 sc->unit); 1058 return (EIO); 1059 } 1060 1061 /* flush any data */ 1062 if (sc->state & PSM_VALID) { 1063 /* this may fail; but never mind... */ 1064 disable_aux_dev(sc->kbdc); 1065 empty_aux_buffer(sc->kbdc, 10); 1066 } 1067 flushpackets(sc); 1068 sc->syncerrors = 0; 1069 sc->pkterrors = 0; 1070 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1071 1072 /* try to detect the aux device; are you still there? */ 1073 err = 0; 1074 if (doinit) { 1075 if (doinitialize(sc, &sc->mode)) { 1076 /* yes */ 1077 sc->state |= PSM_VALID; 1078 } else { 1079 /* the device has gone! */ 1080 restore_controller(sc->kbdc, c); 1081 sc->state &= ~PSM_VALID; 1082 log(LOG_ERR, 1083 "psm%d: the aux device has gone! (reinitialize).\n", 1084 sc->unit); 1085 err = ENXIO; 1086 } 1087 } 1088 splx(s); 1089 1090 /* restore the driver state */ 1091 if ((sc->state & PSM_OPEN) && (err == 0)) { 1092 /* enable the aux device and the port again */ 1093 err = doopen(sc, c); 1094 if (err != 0) 1095 log(LOG_ERR, "psm%d: failed to enable the device " 1096 "(reinitialize).\n", sc->unit); 1097 } else { 1098 /* restore the keyboard port and disable the aux port */ 1099 if (!set_controller_command_byte(sc->kbdc, 1100 kbdc_get_device_mask(sc->kbdc), 1101 (c & KBD_KBD_CONTROL_BITS) | 1102 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1103 /* CONTROLLER ERROR */ 1104 log(LOG_ERR, "psm%d: failed to disable the aux port " 1105 "(reinitialize).\n", sc->unit); 1106 err = EIO; 1107 } 1108 } 1109 1110 kbdc_lock(sc->kbdc, FALSE); 1111 return (err); 1112 } 1113 1114 /* psm driver entry points */ 1115 1116 static void 1117 psmidentify(driver_t *driver, device_t parent) 1118 { 1119 device_t psmc; 1120 device_t psm; 1121 u_long irq; 1122 int unit; 1123 1124 unit = device_get_unit(parent); 1125 1126 /* always add at least one child */ 1127 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1128 if (psm == NULL) 1129 return; 1130 1131 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1132 if (irq > 0) 1133 return; 1134 1135 /* 1136 * If the PS/2 mouse device has already been reported by ACPI or 1137 * PnP BIOS, obtain the IRQ resource from it. 1138 * (See psmcpnp_attach() below.) 1139 */ 1140 psmc = device_find_child(device_get_parent(parent), 1141 PSMCPNP_DRIVER_NAME, unit); 1142 if (psmc == NULL) 1143 return; 1144 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1145 if (irq <= 0) 1146 return; 1147 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1148 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1149 } 1150 1151 #define endprobe(v) do { \ 1152 if (bootverbose) \ 1153 --verbose; \ 1154 kbdc_set_device_mask(sc->kbdc, mask); \ 1155 kbdc_lock(sc->kbdc, FALSE); \ 1156 return (v); \ 1157 } while (0) 1158 1159 static int 1160 psmprobe(device_t dev) 1161 { 1162 int unit = device_get_unit(dev); 1163 struct psm_softc *sc = device_get_softc(dev); 1164 int stat[3]; 1165 int command_byte; 1166 int mask; 1167 int rid; 1168 int i; 1169 1170 #if 0 1171 kbdc_debug(TRUE); 1172 #endif 1173 1174 /* see if IRQ is available */ 1175 rid = KBDC_RID_AUX; 1176 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1177 if (sc->intr == NULL) { 1178 if (bootverbose) 1179 device_printf(dev, "unable to allocate IRQ\n"); 1180 return (ENXIO); 1181 } 1182 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1183 1184 sc->unit = unit; 1185 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1186 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1187 /* XXX: for backward compatibility */ 1188 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1189 sc->config |= 1190 #ifdef PSM_RESETAFTERSUSPEND 1191 PSM_CONFIG_INITAFTERSUSPEND; 1192 #else 1193 PSM_CONFIG_HOOKRESUME; 1194 #endif 1195 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1196 sc->flags = 0; 1197 if (bootverbose) 1198 ++verbose; 1199 1200 device_set_desc(dev, "PS/2 Mouse"); 1201 1202 if (!kbdc_lock(sc->kbdc, TRUE)) { 1203 printf("psm%d: unable to lock the controller.\n", unit); 1204 if (bootverbose) 1205 --verbose; 1206 return (ENXIO); 1207 } 1208 1209 /* 1210 * NOTE: two bits in the command byte controls the operation of the 1211 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1212 * port interrupt (IRQ 12) enable bit (bit 2). 1213 */ 1214 1215 /* discard anything left after the keyboard initialization */ 1216 empty_both_buffers(sc->kbdc, 10); 1217 1218 /* save the current command byte; it will be used later */ 1219 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1220 command_byte = get_controller_command_byte(sc->kbdc); 1221 if (verbose) 1222 printf("psm%d: current command byte:%04x\n", unit, 1223 command_byte); 1224 if (command_byte == -1) { 1225 /* CONTROLLER ERROR */ 1226 printf("psm%d: unable to get the current command byte value.\n", 1227 unit); 1228 endprobe(ENXIO); 1229 } 1230 1231 /* 1232 * disable the keyboard port while probing the aux port, which must be 1233 * enabled during this routine 1234 */ 1235 if (!set_controller_command_byte(sc->kbdc, 1236 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1237 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1238 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1239 /* 1240 * this is CONTROLLER ERROR; I don't know how to recover 1241 * from this error... 1242 */ 1243 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1244 restore_controller(sc->kbdc, command_byte); 1245 printf("psm%d: unable to set the command byte.\n", unit); 1246 endprobe(ENXIO); 1247 } 1248 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1249 1250 /* 1251 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1252 * port exists and is functioning. However, some controllers appears 1253 * to respond with zero even when the aux port doesn't exist. (It may 1254 * be that this is only the case when the controller DOES have the aux 1255 * port but the port is not wired on the motherboard.) The keyboard 1256 * controllers without the port, such as the original AT, are 1257 * supposed to return with an error code or simply time out. In any 1258 * case, we have to continue probing the port even when the controller 1259 * passes this test. 1260 * 1261 * XXX: some controllers erroneously return the error code 1, 2 or 3 1262 * when it has a perfectly functional aux port. We have to ignore 1263 * this error code. Even if the controller HAS error with the aux 1264 * port, it will be detected later... 1265 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1266 */ 1267 switch ((i = test_aux_port(sc->kbdc))) { 1268 case 1: /* ignore these errors */ 1269 case 2: 1270 case 3: 1271 case PSM_ACK: 1272 if (verbose) 1273 printf("psm%d: strange result for test aux port " 1274 "(%d).\n", unit, i); 1275 /* FALLTHROUGH */ 1276 case 0: /* no error */ 1277 break; 1278 case -1: /* time out */ 1279 default: /* error */ 1280 recover_from_error(sc->kbdc); 1281 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1282 break; 1283 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1284 restore_controller(sc->kbdc, command_byte); 1285 if (verbose) 1286 printf("psm%d: the aux port is not functioning (%d).\n", 1287 unit, i); 1288 endprobe(ENXIO); 1289 } 1290 1291 if (sc->config & PSM_CONFIG_NORESET) { 1292 /* 1293 * Don't try to reset the pointing device. It may possibly be 1294 * left in an unknown state, though... 1295 */ 1296 } else { 1297 /* 1298 * NOTE: some controllers appears to hang the `keyboard' when 1299 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1300 * 1301 * Attempt to reset the controller twice -- this helps 1302 * pierce through some KVM switches. The second reset 1303 * is non-fatal. 1304 */ 1305 if (!reset_aux_dev(sc->kbdc)) { 1306 recover_from_error(sc->kbdc); 1307 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1308 restore_controller(sc->kbdc, command_byte); 1309 if (verbose) 1310 printf("psm%d: failed to reset the aux " 1311 "device.\n", unit); 1312 endprobe(ENXIO); 1313 } else if (!reset_aux_dev(sc->kbdc)) { 1314 recover_from_error(sc->kbdc); 1315 if (verbose >= 2) 1316 printf("psm%d: failed to reset the aux device " 1317 "(2).\n", unit); 1318 } 1319 } 1320 1321 /* 1322 * both the aux port and the aux device are functioning, see if the 1323 * device can be enabled. NOTE: when enabled, the device will start 1324 * sending data; we shall immediately disable the device once we know 1325 * the device can be enabled. 1326 */ 1327 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1328 /* MOUSE ERROR */ 1329 recover_from_error(sc->kbdc); 1330 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1331 restore_controller(sc->kbdc, command_byte); 1332 if (verbose) 1333 printf("psm%d: failed to enable the aux device.\n", 1334 unit); 1335 endprobe(ENXIO); 1336 } 1337 1338 /* save the default values after reset */ 1339 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1340 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1341 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1342 } else { 1343 sc->dflt_mode.rate = sc->mode.rate = -1; 1344 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1345 } 1346 1347 /* hardware information */ 1348 sc->hw.iftype = MOUSE_IF_PS2; 1349 1350 /* verify the device is a mouse */ 1351 sc->hw.hwid = get_aux_id(sc->kbdc); 1352 if (!is_a_mouse(sc->hw.hwid)) { 1353 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1354 restore_controller(sc->kbdc, command_byte); 1355 if (verbose) 1356 printf("psm%d: unknown device type (%d).\n", unit, 1357 sc->hw.hwid); 1358 endprobe(ENXIO); 1359 } 1360 switch (sc->hw.hwid) { 1361 case PSM_BALLPOINT_ID: 1362 sc->hw.type = MOUSE_TRACKBALL; 1363 break; 1364 case PSM_MOUSE_ID: 1365 case PSM_INTELLI_ID: 1366 case PSM_EXPLORER_ID: 1367 case PSM_4DMOUSE_ID: 1368 case PSM_4DPLUS_ID: 1369 sc->hw.type = MOUSE_MOUSE; 1370 break; 1371 default: 1372 sc->hw.type = MOUSE_UNKNOWN; 1373 break; 1374 } 1375 1376 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1377 sc->hw.buttons = 2; 1378 i = GENERIC_MOUSE_ENTRY; 1379 } else { 1380 /* # of buttons */ 1381 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1382 1383 /* other parameters */ 1384 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1385 if ((*vendortype[i].probefunc)(sc, PROBE)) { 1386 if (verbose >= 2) 1387 printf("psm%d: found %s\n", unit, 1388 model_name(vendortype[i].model)); 1389 break; 1390 } 1391 } 1392 1393 sc->hw.model = vendortype[i].model; 1394 1395 sc->dflt_mode.level = PSM_LEVEL_BASE; 1396 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1397 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1398 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1399 sc->dflt_mode.syncmask[0] = 0; 1400 else 1401 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1402 if (sc->config & PSM_CONFIG_FORCETAP) 1403 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1404 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1405 sc->mode = sc->dflt_mode; 1406 sc->mode.packetsize = vendortype[i].packetsize; 1407 1408 /* set mouse parameters */ 1409 #if 0 1410 /* 1411 * A version of Logitech FirstMouse+ won't report wheel movement, 1412 * if SET_DEFAULTS is sent... Don't use this command. 1413 * This fix was found by Takashi Nishida. 1414 */ 1415 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1416 if (verbose >= 2) 1417 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1418 #endif 1419 if (sc->config & PSM_CONFIG_RESOLUTION) 1420 sc->mode.resolution = 1421 set_mouse_resolution(sc->kbdc, 1422 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1423 else if (sc->mode.resolution >= 0) 1424 sc->mode.resolution = 1425 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1426 if (sc->mode.rate > 0) 1427 sc->mode.rate = 1428 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1429 set_mouse_scaling(sc->kbdc, 1); 1430 1431 /* Record sync on the next data packet we see. */ 1432 sc->flags |= PSM_NEED_SYNCBITS; 1433 1434 /* just check the status of the mouse */ 1435 /* 1436 * NOTE: XXX there are some arcane controller/mouse combinations out 1437 * there, which hung the controller unless there is data transmission 1438 * after ACK from the mouse. 1439 */ 1440 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1441 printf("psm%d: failed to get status.\n", unit); 1442 else { 1443 /* 1444 * When in its native mode, some mice operate with different 1445 * default parameters than in the PS/2 compatible mode. 1446 */ 1447 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1448 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1449 } 1450 1451 /* disable the aux port for now... */ 1452 if (!set_controller_command_byte(sc->kbdc, 1453 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1454 (command_byte & KBD_KBD_CONTROL_BITS) | 1455 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1456 /* 1457 * this is CONTROLLER ERROR; I don't know the proper way to 1458 * recover from this error... 1459 */ 1460 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1461 restore_controller(sc->kbdc, command_byte); 1462 printf("psm%d: unable to set the command byte.\n", unit); 1463 endprobe(ENXIO); 1464 } 1465 1466 /* done */ 1467 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1468 kbdc_lock(sc->kbdc, FALSE); 1469 return (0); 1470 } 1471 1472 static int 1473 psmattach(device_t dev) 1474 { 1475 int unit = device_get_unit(dev); 1476 struct psm_softc *sc = device_get_softc(dev); 1477 int error; 1478 int rid; 1479 1480 /* Setup initial state */ 1481 sc->state = PSM_VALID; 1482 callout_init(&sc->callout, 0); 1483 callout_init(&sc->softcallout, 0); 1484 1485 /* Setup our interrupt handler */ 1486 rid = KBDC_RID_AUX; 1487 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1488 if (sc->intr == NULL) 1489 return (ENXIO); 1490 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1491 &sc->ih); 1492 if (error) { 1493 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1494 return (error); 1495 } 1496 1497 /* Done */ 1498 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1499 sc->dev->si_drv1 = sc; 1500 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1501 sc->bdev->si_drv1 = sc; 1502 1503 /* Some touchpad devices need full reinitialization after suspend. */ 1504 switch (sc->hw.model) { 1505 case MOUSE_MODEL_SYNAPTICS: 1506 case MOUSE_MODEL_GLIDEPOINT: 1507 case MOUSE_MODEL_VERSAPAD: 1508 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1509 break; 1510 default: 1511 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 1512 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1513 break; 1514 } 1515 1516 if (!verbose) 1517 printf("psm%d: model %s, device ID %d\n", 1518 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1519 else { 1520 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1521 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1522 sc->hw.hwid >> 8, sc->hw.buttons); 1523 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1524 unit, sc->config, sc->flags, sc->mode.packetsize); 1525 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1526 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1527 } 1528 1529 if (bootverbose) 1530 --verbose; 1531 1532 return (0); 1533 } 1534 1535 static int 1536 psmdetach(device_t dev) 1537 { 1538 struct psm_softc *sc; 1539 int rid; 1540 1541 sc = device_get_softc(dev); 1542 if (sc->state & PSM_OPEN) 1543 return (EBUSY); 1544 1545 rid = KBDC_RID_AUX; 1546 bus_teardown_intr(dev, sc->intr, sc->ih); 1547 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1548 1549 destroy_dev(sc->dev); 1550 destroy_dev(sc->bdev); 1551 1552 callout_drain(&sc->callout); 1553 callout_drain(&sc->softcallout); 1554 1555 return (0); 1556 } 1557 1558 static int 1559 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1560 { 1561 struct psm_softc *sc; 1562 int command_byte; 1563 int err; 1564 int s; 1565 1566 /* Get device data */ 1567 sc = dev->si_drv1; 1568 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1569 /* the device is no longer valid/functioning */ 1570 return (ENXIO); 1571 } 1572 1573 /* Disallow multiple opens */ 1574 if (sc->state & PSM_OPEN) 1575 return (EBUSY); 1576 1577 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1578 1579 /* Initialize state */ 1580 sc->mode.level = sc->dflt_mode.level; 1581 sc->mode.protocol = sc->dflt_mode.protocol; 1582 sc->watchdog = FALSE; 1583 sc->async = NULL; 1584 1585 /* flush the event queue */ 1586 sc->queue.count = 0; 1587 sc->queue.head = 0; 1588 sc->queue.tail = 0; 1589 sc->status.flags = 0; 1590 sc->status.button = 0; 1591 sc->status.obutton = 0; 1592 sc->status.dx = 0; 1593 sc->status.dy = 0; 1594 sc->status.dz = 0; 1595 sc->button = 0; 1596 sc->pqueue_start = 0; 1597 sc->pqueue_end = 0; 1598 1599 /* empty input buffer */ 1600 flushpackets(sc); 1601 sc->syncerrors = 0; 1602 sc->pkterrors = 0; 1603 1604 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1605 if (!kbdc_lock(sc->kbdc, TRUE)) 1606 return (EIO); 1607 1608 /* save the current controller command byte */ 1609 s = spltty(); 1610 command_byte = get_controller_command_byte(sc->kbdc); 1611 1612 /* enable the aux port and temporalily disable the keyboard */ 1613 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1614 kbdc_get_device_mask(sc->kbdc), 1615 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1616 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1617 /* CONTROLLER ERROR; do you know how to get out of this? */ 1618 kbdc_lock(sc->kbdc, FALSE); 1619 splx(s); 1620 log(LOG_ERR, 1621 "psm%d: unable to set the command byte (psmopen).\n", 1622 sc->unit); 1623 return (EIO); 1624 } 1625 /* 1626 * Now that the keyboard controller is told not to generate 1627 * the keyboard and mouse interrupts, call `splx()' to allow 1628 * the other tty interrupts. The clock interrupt may also occur, 1629 * but timeout routines will be blocked by the poll flag set 1630 * via `kbdc_lock()' 1631 */ 1632 splx(s); 1633 1634 /* enable the mouse device */ 1635 err = doopen(sc, command_byte); 1636 1637 /* done */ 1638 if (err == 0) 1639 sc->state |= PSM_OPEN; 1640 kbdc_lock(sc->kbdc, FALSE); 1641 return (err); 1642 } 1643 1644 static int 1645 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1646 { 1647 struct psm_softc *sc = dev->si_drv1; 1648 int stat[3]; 1649 int command_byte; 1650 int s; 1651 1652 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1653 if (!kbdc_lock(sc->kbdc, TRUE)) 1654 return (EIO); 1655 1656 /* save the current controller command byte */ 1657 s = spltty(); 1658 command_byte = get_controller_command_byte(sc->kbdc); 1659 if (command_byte == -1) { 1660 kbdc_lock(sc->kbdc, FALSE); 1661 splx(s); 1662 return (EIO); 1663 } 1664 1665 /* disable the aux interrupt and temporalily disable the keyboard */ 1666 if (!set_controller_command_byte(sc->kbdc, 1667 kbdc_get_device_mask(sc->kbdc), 1668 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1669 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1670 log(LOG_ERR, 1671 "psm%d: failed to disable the aux int (psmclose).\n", 1672 sc->unit); 1673 /* CONTROLLER ERROR; 1674 * NOTE: we shall force our way through. Because the only 1675 * ill effect we shall see is that we may not be able 1676 * to read ACK from the mouse, and it doesn't matter much 1677 * so long as the mouse will accept the DISABLE command. 1678 */ 1679 } 1680 splx(s); 1681 1682 /* stop the watchdog timer */ 1683 callout_stop(&sc->callout); 1684 1685 /* remove anything left in the output buffer */ 1686 empty_aux_buffer(sc->kbdc, 10); 1687 1688 /* disable the aux device, port and interrupt */ 1689 if (sc->state & PSM_VALID) { 1690 if (!disable_aux_dev(sc->kbdc)) { 1691 /* MOUSE ERROR; 1692 * NOTE: we don't return (error) and continue, 1693 * pretending we have successfully disabled the device. 1694 * It's OK because the interrupt routine will discard 1695 * any data from the mouse hereafter. 1696 */ 1697 log(LOG_ERR, 1698 "psm%d: failed to disable the device (psmclose).\n", 1699 sc->unit); 1700 } 1701 1702 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1703 log(LOG_DEBUG, 1704 "psm%d: failed to get status (psmclose).\n", 1705 sc->unit); 1706 } 1707 1708 if (!set_controller_command_byte(sc->kbdc, 1709 kbdc_get_device_mask(sc->kbdc), 1710 (command_byte & KBD_KBD_CONTROL_BITS) | 1711 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1712 /* 1713 * CONTROLLER ERROR; 1714 * we shall ignore this error; see the above comment. 1715 */ 1716 log(LOG_ERR, 1717 "psm%d: failed to disable the aux port (psmclose).\n", 1718 sc->unit); 1719 } 1720 1721 /* remove anything left in the output buffer */ 1722 empty_aux_buffer(sc->kbdc, 10); 1723 1724 /* clean up and sigio requests */ 1725 if (sc->async != NULL) { 1726 funsetown(&sc->async); 1727 sc->async = NULL; 1728 } 1729 1730 /* close is almost always successful */ 1731 sc->state &= ~PSM_OPEN; 1732 kbdc_lock(sc->kbdc, FALSE); 1733 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1734 return (0); 1735 } 1736 1737 static int 1738 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1739 u_char *buf) 1740 { 1741 static u_char butmapps2[8] = { 1742 0, 1743 MOUSE_PS2_BUTTON1DOWN, 1744 MOUSE_PS2_BUTTON2DOWN, 1745 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1746 MOUSE_PS2_BUTTON3DOWN, 1747 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1748 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1749 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1750 MOUSE_PS2_BUTTON3DOWN, 1751 }; 1752 static u_char butmapmsc[8] = { 1753 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1754 MOUSE_MSC_BUTTON3UP, 1755 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1756 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1757 MOUSE_MSC_BUTTON3UP, 1758 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1759 MOUSE_MSC_BUTTON2UP, 1760 MOUSE_MSC_BUTTON1UP, 1761 0, 1762 }; 1763 int mapped; 1764 int i; 1765 1766 if (sc->mode.level == PSM_LEVEL_BASE) { 1767 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1768 if (status->button & MOUSE_BUTTON4DOWN) 1769 mapped |= MOUSE_BUTTON1DOWN; 1770 status->button = mapped; 1771 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1772 i = imax(imin(status->dx, 255), -256); 1773 if (i < 0) 1774 buf[0] |= MOUSE_PS2_XNEG; 1775 buf[1] = i; 1776 i = imax(imin(status->dy, 255), -256); 1777 if (i < 0) 1778 buf[0] |= MOUSE_PS2_YNEG; 1779 buf[2] = i; 1780 return (MOUSE_PS2_PACKETSIZE); 1781 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1782 buf[0] = MOUSE_MSC_SYNC | 1783 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1784 i = imax(imin(status->dx, 255), -256); 1785 buf[1] = i >> 1; 1786 buf[3] = i - buf[1]; 1787 i = imax(imin(status->dy, 255), -256); 1788 buf[2] = i >> 1; 1789 buf[4] = i - buf[2]; 1790 i = imax(imin(status->dz, 127), -128); 1791 buf[5] = (i >> 1) & 0x7f; 1792 buf[6] = (i - (i >> 1)) & 0x7f; 1793 buf[7] = (~status->button >> 3) & 0x7f; 1794 return (MOUSE_SYS_PACKETSIZE); 1795 } 1796 return (pb->inputbytes); 1797 } 1798 1799 static int 1800 psmread(struct cdev *dev, struct uio *uio, int flag) 1801 { 1802 struct psm_softc *sc = dev->si_drv1; 1803 u_char buf[PSM_SMALLBUFSIZE]; 1804 int error = 0; 1805 int s; 1806 int l; 1807 1808 if ((sc->state & PSM_VALID) == 0) 1809 return (EIO); 1810 1811 /* block until mouse activity occured */ 1812 s = spltty(); 1813 while (sc->queue.count <= 0) { 1814 if (dev != sc->bdev) { 1815 splx(s); 1816 return (EWOULDBLOCK); 1817 } 1818 sc->state |= PSM_ASLP; 1819 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1820 sc->state &= ~PSM_ASLP; 1821 if (error) { 1822 splx(s); 1823 return (error); 1824 } else if ((sc->state & PSM_VALID) == 0) { 1825 /* the device disappeared! */ 1826 splx(s); 1827 return (EIO); 1828 } 1829 } 1830 splx(s); 1831 1832 /* copy data to the user land */ 1833 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1834 s = spltty(); 1835 l = imin(sc->queue.count, uio->uio_resid); 1836 if (l > sizeof(buf)) 1837 l = sizeof(buf); 1838 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1839 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1840 sizeof(sc->queue.buf) - sc->queue.head); 1841 bcopy(&sc->queue.buf[0], 1842 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1843 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1844 } else 1845 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1846 sc->queue.count -= l; 1847 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1848 splx(s); 1849 error = uiomove(buf, l, uio); 1850 if (error) 1851 break; 1852 } 1853 1854 return (error); 1855 } 1856 1857 static int 1858 block_mouse_data(struct psm_softc *sc, int *c) 1859 { 1860 int s; 1861 1862 if (!kbdc_lock(sc->kbdc, TRUE)) 1863 return (EIO); 1864 1865 s = spltty(); 1866 *c = get_controller_command_byte(sc->kbdc); 1867 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1868 kbdc_get_device_mask(sc->kbdc), 1869 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1870 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1871 /* this is CONTROLLER ERROR */ 1872 splx(s); 1873 kbdc_lock(sc->kbdc, FALSE); 1874 return (EIO); 1875 } 1876 1877 /* 1878 * The device may be in the middle of status data transmission. 1879 * The transmission will be interrupted, thus, incomplete status 1880 * data must be discarded. Although the aux interrupt is disabled 1881 * at the keyboard controller level, at most one aux interrupt 1882 * may have already been pending and a data byte is in the 1883 * output buffer; throw it away. Note that the second argument 1884 * to `empty_aux_buffer()' is zero, so that the call will just 1885 * flush the internal queue. 1886 * `psmintr()' will be invoked after `splx()' if an interrupt is 1887 * pending; it will see no data and returns immediately. 1888 */ 1889 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1890 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1891 flushpackets(sc); 1892 splx(s); 1893 1894 return (0); 1895 } 1896 1897 static void 1898 dropqueue(struct psm_softc *sc) 1899 { 1900 1901 sc->queue.count = 0; 1902 sc->queue.head = 0; 1903 sc->queue.tail = 0; 1904 if ((sc->state & PSM_SOFTARMED) != 0) { 1905 sc->state &= ~PSM_SOFTARMED; 1906 callout_stop(&sc->softcallout); 1907 } 1908 sc->pqueue_start = sc->pqueue_end; 1909 } 1910 1911 static void 1912 flushpackets(struct psm_softc *sc) 1913 { 1914 1915 dropqueue(sc); 1916 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1917 } 1918 1919 static int 1920 unblock_mouse_data(struct psm_softc *sc, int c) 1921 { 1922 int error = 0; 1923 1924 /* 1925 * We may have seen a part of status data during `set_mouse_XXX()'. 1926 * they have been queued; flush it. 1927 */ 1928 empty_aux_buffer(sc->kbdc, 0); 1929 1930 /* restore ports and interrupt */ 1931 if (!set_controller_command_byte(sc->kbdc, 1932 kbdc_get_device_mask(sc->kbdc), 1933 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1934 /* 1935 * CONTROLLER ERROR; this is serious, we may have 1936 * been left with the inaccessible keyboard and 1937 * the disabled mouse interrupt. 1938 */ 1939 error = EIO; 1940 } 1941 1942 kbdc_lock(sc->kbdc, FALSE); 1943 return (error); 1944 } 1945 1946 static int 1947 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1948 { 1949 struct psm_softc *sc = dev->si_drv1; 1950 u_char buf[PSM_SMALLBUFSIZE]; 1951 int error = 0, i, l; 1952 1953 if ((sc->state & PSM_VALID) == 0) 1954 return (EIO); 1955 1956 if (sc->mode.level < PSM_LEVEL_NATIVE) 1957 return (ENODEV); 1958 1959 /* copy data from the user land */ 1960 while (uio->uio_resid > 0) { 1961 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1962 error = uiomove(buf, l, uio); 1963 if (error) 1964 break; 1965 for (i = 0; i < l; i++) { 1966 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1967 if (!write_aux_command(sc->kbdc, buf[i])) { 1968 VLOG(2, (LOG_DEBUG, 1969 "psm: cmd 0x%x failed.\n", buf[i])); 1970 return (reinitialize(sc, FALSE)); 1971 } 1972 } 1973 } 1974 1975 return (error); 1976 } 1977 1978 static int 1979 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1980 struct thread *td) 1981 { 1982 struct psm_softc *sc = dev->si_drv1; 1983 mousemode_t mode; 1984 mousestatus_t status; 1985 #if (defined(MOUSE_GETVARS)) 1986 mousevar_t *var; 1987 #endif 1988 mousedata_t *data; 1989 int stat[3]; 1990 int command_byte; 1991 int error = 0; 1992 int s; 1993 1994 /* Perform IOCTL command */ 1995 switch (cmd) { 1996 1997 case OLD_MOUSE_GETHWINFO: 1998 s = spltty(); 1999 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2000 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2001 ((old_mousehw_t *)addr)->type = sc->hw.type; 2002 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2003 splx(s); 2004 break; 2005 2006 case MOUSE_GETHWINFO: 2007 s = spltty(); 2008 *(mousehw_t *)addr = sc->hw; 2009 if (sc->mode.level == PSM_LEVEL_BASE) 2010 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2011 splx(s); 2012 break; 2013 2014 case MOUSE_SYN_GETHWINFO: 2015 s = spltty(); 2016 if (sc->synhw.infoMajor >= 4) 2017 *(synapticshw_t *)addr = sc->synhw; 2018 else 2019 error = EINVAL; 2020 splx(s); 2021 break; 2022 2023 case OLD_MOUSE_GETMODE: 2024 s = spltty(); 2025 switch (sc->mode.level) { 2026 case PSM_LEVEL_BASE: 2027 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2028 break; 2029 case PSM_LEVEL_STANDARD: 2030 ((old_mousemode_t *)addr)->protocol = 2031 MOUSE_PROTO_SYSMOUSE; 2032 break; 2033 case PSM_LEVEL_NATIVE: 2034 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2035 break; 2036 } 2037 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2038 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2039 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2040 splx(s); 2041 break; 2042 2043 case MOUSE_GETMODE: 2044 s = spltty(); 2045 *(mousemode_t *)addr = sc->mode; 2046 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2047 ((mousemode_t *)addr)->syncmask[0] = 0; 2048 ((mousemode_t *)addr)->syncmask[1] = 0; 2049 } 2050 ((mousemode_t *)addr)->resolution = 2051 MOUSE_RES_LOW - sc->mode.resolution; 2052 switch (sc->mode.level) { 2053 case PSM_LEVEL_BASE: 2054 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2055 ((mousemode_t *)addr)->packetsize = 2056 MOUSE_PS2_PACKETSIZE; 2057 break; 2058 case PSM_LEVEL_STANDARD: 2059 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2060 ((mousemode_t *)addr)->packetsize = 2061 MOUSE_SYS_PACKETSIZE; 2062 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2063 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2064 break; 2065 case PSM_LEVEL_NATIVE: 2066 /* FIXME: this isn't quite correct... XXX */ 2067 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2068 break; 2069 } 2070 splx(s); 2071 break; 2072 2073 case OLD_MOUSE_SETMODE: 2074 case MOUSE_SETMODE: 2075 if (cmd == OLD_MOUSE_SETMODE) { 2076 mode.rate = ((old_mousemode_t *)addr)->rate; 2077 /* 2078 * resolution old I/F new I/F 2079 * default 0 0 2080 * low 1 -2 2081 * medium low 2 -3 2082 * medium high 3 -4 2083 * high 4 -5 2084 */ 2085 if (((old_mousemode_t *)addr)->resolution > 0) 2086 mode.resolution = 2087 -((old_mousemode_t *)addr)->resolution - 1; 2088 else 2089 mode.resolution = 0; 2090 mode.accelfactor = 2091 ((old_mousemode_t *)addr)->accelfactor; 2092 mode.level = -1; 2093 } else 2094 mode = *(mousemode_t *)addr; 2095 2096 /* adjust and validate parameters. */ 2097 if (mode.rate > UCHAR_MAX) 2098 return (EINVAL); 2099 if (mode.rate == 0) 2100 mode.rate = sc->dflt_mode.rate; 2101 else if (mode.rate == -1) 2102 /* don't change the current setting */ 2103 ; 2104 else if (mode.rate < 0) 2105 return (EINVAL); 2106 if (mode.resolution >= UCHAR_MAX) 2107 return (EINVAL); 2108 if (mode.resolution >= 200) 2109 mode.resolution = MOUSE_RES_HIGH; 2110 else if (mode.resolution >= 100) 2111 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2112 else if (mode.resolution >= 50) 2113 mode.resolution = MOUSE_RES_MEDIUMLOW; 2114 else if (mode.resolution > 0) 2115 mode.resolution = MOUSE_RES_LOW; 2116 if (mode.resolution == MOUSE_RES_DEFAULT) 2117 mode.resolution = sc->dflt_mode.resolution; 2118 else if (mode.resolution == -1) 2119 /* don't change the current setting */ 2120 ; 2121 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2122 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2123 if (mode.level == -1) 2124 /* don't change the current setting */ 2125 mode.level = sc->mode.level; 2126 else if ((mode.level < PSM_LEVEL_MIN) || 2127 (mode.level > PSM_LEVEL_MAX)) 2128 return (EINVAL); 2129 if (mode.accelfactor == -1) 2130 /* don't change the current setting */ 2131 mode.accelfactor = sc->mode.accelfactor; 2132 else if (mode.accelfactor < 0) 2133 return (EINVAL); 2134 2135 /* don't allow anybody to poll the keyboard controller */ 2136 error = block_mouse_data(sc, &command_byte); 2137 if (error) 2138 return (error); 2139 2140 /* set mouse parameters */ 2141 if (mode.rate > 0) 2142 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2143 mode.rate); 2144 if (mode.resolution >= 0) 2145 mode.resolution = 2146 set_mouse_resolution(sc->kbdc, mode.resolution); 2147 set_mouse_scaling(sc->kbdc, 1); 2148 get_mouse_status(sc->kbdc, stat, 0, 3); 2149 2150 s = spltty(); 2151 sc->mode.rate = mode.rate; 2152 sc->mode.resolution = mode.resolution; 2153 sc->mode.accelfactor = mode.accelfactor; 2154 sc->mode.level = mode.level; 2155 splx(s); 2156 2157 unblock_mouse_data(sc, command_byte); 2158 break; 2159 2160 case MOUSE_GETLEVEL: 2161 *(int *)addr = sc->mode.level; 2162 break; 2163 2164 case MOUSE_SETLEVEL: 2165 if ((*(int *)addr < PSM_LEVEL_MIN) || 2166 (*(int *)addr > PSM_LEVEL_MAX)) 2167 return (EINVAL); 2168 sc->mode.level = *(int *)addr; 2169 2170 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 2171 /* 2172 * If we are entering PSM_LEVEL_NATIVE, we want to 2173 * enable sending of "extended W mode" packets to 2174 * userland. Reset the mode of the touchpad so that the 2175 * change in the level is picked up. 2176 */ 2177 error = block_mouse_data(sc, &command_byte); 2178 if (error) 2179 return (error); 2180 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 2181 unblock_mouse_data(sc, command_byte); 2182 } 2183 break; 2184 2185 case MOUSE_GETSTATUS: 2186 s = spltty(); 2187 status = sc->status; 2188 sc->status.flags = 0; 2189 sc->status.obutton = sc->status.button; 2190 sc->status.button = 0; 2191 sc->status.dx = 0; 2192 sc->status.dy = 0; 2193 sc->status.dz = 0; 2194 splx(s); 2195 *(mousestatus_t *)addr = status; 2196 break; 2197 2198 #if (defined(MOUSE_GETVARS)) 2199 case MOUSE_GETVARS: 2200 var = (mousevar_t *)addr; 2201 bzero(var, sizeof(*var)); 2202 s = spltty(); 2203 var->var[0] = MOUSE_VARS_PS2_SIG; 2204 var->var[1] = sc->config; 2205 var->var[2] = sc->flags; 2206 splx(s); 2207 break; 2208 2209 case MOUSE_SETVARS: 2210 return (ENODEV); 2211 #endif /* MOUSE_GETVARS */ 2212 2213 case MOUSE_READSTATE: 2214 case MOUSE_READDATA: 2215 data = (mousedata_t *)addr; 2216 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2217 return (EINVAL); 2218 2219 error = block_mouse_data(sc, &command_byte); 2220 if (error) 2221 return (error); 2222 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2223 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2224 error = EIO; 2225 unblock_mouse_data(sc, command_byte); 2226 break; 2227 2228 #if (defined(MOUSE_SETRESOLUTION)) 2229 case MOUSE_SETRESOLUTION: 2230 mode.resolution = *(int *)addr; 2231 if (mode.resolution >= UCHAR_MAX) 2232 return (EINVAL); 2233 else if (mode.resolution >= 200) 2234 mode.resolution = MOUSE_RES_HIGH; 2235 else if (mode.resolution >= 100) 2236 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2237 else if (mode.resolution >= 50) 2238 mode.resolution = MOUSE_RES_MEDIUMLOW; 2239 else if (mode.resolution > 0) 2240 mode.resolution = MOUSE_RES_LOW; 2241 if (mode.resolution == MOUSE_RES_DEFAULT) 2242 mode.resolution = sc->dflt_mode.resolution; 2243 else if (mode.resolution == -1) 2244 mode.resolution = sc->mode.resolution; 2245 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2246 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2247 2248 error = block_mouse_data(sc, &command_byte); 2249 if (error) 2250 return (error); 2251 sc->mode.resolution = 2252 set_mouse_resolution(sc->kbdc, mode.resolution); 2253 if (sc->mode.resolution != mode.resolution) 2254 error = EIO; 2255 unblock_mouse_data(sc, command_byte); 2256 break; 2257 #endif /* MOUSE_SETRESOLUTION */ 2258 2259 #if (defined(MOUSE_SETRATE)) 2260 case MOUSE_SETRATE: 2261 mode.rate = *(int *)addr; 2262 if (mode.rate > UCHAR_MAX) 2263 return (EINVAL); 2264 if (mode.rate == 0) 2265 mode.rate = sc->dflt_mode.rate; 2266 else if (mode.rate < 0) 2267 mode.rate = sc->mode.rate; 2268 2269 error = block_mouse_data(sc, &command_byte); 2270 if (error) 2271 return (error); 2272 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2273 if (sc->mode.rate != mode.rate) 2274 error = EIO; 2275 unblock_mouse_data(sc, command_byte); 2276 break; 2277 #endif /* MOUSE_SETRATE */ 2278 2279 #if (defined(MOUSE_SETSCALING)) 2280 case MOUSE_SETSCALING: 2281 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2282 return (EINVAL); 2283 2284 error = block_mouse_data(sc, &command_byte); 2285 if (error) 2286 return (error); 2287 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2288 error = EIO; 2289 unblock_mouse_data(sc, command_byte); 2290 break; 2291 #endif /* MOUSE_SETSCALING */ 2292 2293 #if (defined(MOUSE_GETHWID)) 2294 case MOUSE_GETHWID: 2295 error = block_mouse_data(sc, &command_byte); 2296 if (error) 2297 return (error); 2298 sc->hw.hwid &= ~0x00ff; 2299 sc->hw.hwid |= get_aux_id(sc->kbdc); 2300 *(int *)addr = sc->hw.hwid & 0x00ff; 2301 unblock_mouse_data(sc, command_byte); 2302 break; 2303 #endif /* MOUSE_GETHWID */ 2304 2305 case FIONBIO: 2306 case FIOASYNC: 2307 break; 2308 case FIOSETOWN: 2309 error = fsetown(*(int *)addr, &sc->async); 2310 break; 2311 case FIOGETOWN: 2312 *(int *) addr = fgetown(&sc->async); 2313 break; 2314 default: 2315 return (ENOTTY); 2316 } 2317 2318 return (error); 2319 } 2320 2321 static void 2322 psmtimeout(void *arg) 2323 { 2324 struct psm_softc *sc; 2325 int s; 2326 2327 sc = (struct psm_softc *)arg; 2328 s = spltty(); 2329 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2330 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2331 psmintr(sc); 2332 kbdc_lock(sc->kbdc, FALSE); 2333 } 2334 sc->watchdog = TRUE; 2335 splx(s); 2336 callout_reset(&sc->callout, hz, psmtimeout, sc); 2337 } 2338 2339 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2340 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2341 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2342 2343 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2344 "Verbosity level"); 2345 2346 static int psmhz = 20; 2347 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2348 "Frequency of the softcallout (in hz)"); 2349 static int psmerrsecs = 2; 2350 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2351 "Number of seconds during which packets will dropped after a sync error"); 2352 static int psmerrusecs = 0; 2353 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2354 "Microseconds to add to psmerrsecs"); 2355 static int psmsecs = 0; 2356 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2357 "Max number of seconds between soft interrupts"); 2358 static int psmusecs = 500000; 2359 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2360 "Microseconds to add to psmsecs"); 2361 static int pkterrthresh = 2; 2362 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2363 "Number of error packets allowed before reinitializing the mouse"); 2364 2365 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2366 "Enable tap and drag gestures"); 2367 static int tap_threshold = PSM_TAP_THRESHOLD; 2368 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2369 "Button tap threshold"); 2370 static int tap_timeout = PSM_TAP_TIMEOUT; 2371 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2372 "Tap timeout for touchpads"); 2373 2374 static void 2375 psmintr(void *arg) 2376 { 2377 struct psm_softc *sc = arg; 2378 struct timeval now; 2379 int c; 2380 packetbuf_t *pb; 2381 2382 2383 /* read until there is nothing to read */ 2384 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2385 pb = &sc->pqueue[sc->pqueue_end]; 2386 2387 /* discard the byte if the device is not open */ 2388 if ((sc->state & PSM_OPEN) == 0) 2389 continue; 2390 2391 getmicrouptime(&now); 2392 if ((pb->inputbytes > 0) && 2393 timevalcmp(&now, &sc->inputtimeout, >)) { 2394 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2395 "resetting byte count\n")); 2396 pb->inputbytes = 0; 2397 sc->syncerrors = 0; 2398 sc->pkterrors = 0; 2399 } 2400 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2401 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2402 timevaladd(&sc->inputtimeout, &now); 2403 2404 pb->ipacket[pb->inputbytes++] = c; 2405 2406 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2407 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2408 sc->syncerrors = 0; 2409 sc->pkterrors = 0; 2410 goto next; 2411 } else { 2412 if (pb->inputbytes < sc->mode.packetsize) 2413 continue; 2414 2415 VLOG(4, (LOG_DEBUG, 2416 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2417 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2418 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2419 } 2420 2421 c = pb->ipacket[0]; 2422 2423 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2424 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2425 sc->flags &= ~PSM_NEED_SYNCBITS; 2426 VLOG(2, (LOG_DEBUG, 2427 "psmintr: Sync bytes now %04x,%04x\n", 2428 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2429 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2430 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2431 "(%04x != %04x) %d cmds since last error.\n", 2432 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2433 sc->cmdcount - sc->lasterr)); 2434 sc->lasterr = sc->cmdcount; 2435 /* 2436 * The sync byte test is a weak measure of packet 2437 * validity. Conservatively discard any input yet 2438 * to be seen by userland when we detect a sync 2439 * error since there is a good chance some of 2440 * the queued packets have undetected errors. 2441 */ 2442 dropqueue(sc); 2443 if (sc->syncerrors == 0) 2444 sc->pkterrors++; 2445 ++sc->syncerrors; 2446 sc->lastinputerr = now; 2447 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2448 sc->pkterrors >= pkterrthresh) { 2449 /* 2450 * If we've failed to find a single sync byte 2451 * in 2 packets worth of data, or we've seen 2452 * persistent packet errors during the 2453 * validation period, reinitialize the mouse 2454 * in hopes of returning it to the expected 2455 * mode. 2456 */ 2457 VLOG(3, (LOG_DEBUG, 2458 "psmintr: reset the mouse.\n")); 2459 reinitialize(sc, TRUE); 2460 } else if (sc->syncerrors == sc->mode.packetsize) { 2461 /* 2462 * Try a soft reset after searching for a sync 2463 * byte through a packet length of bytes. 2464 */ 2465 VLOG(3, (LOG_DEBUG, 2466 "psmintr: re-enable the mouse.\n")); 2467 pb->inputbytes = 0; 2468 disable_aux_dev(sc->kbdc); 2469 enable_aux_dev(sc->kbdc); 2470 } else { 2471 VLOG(3, (LOG_DEBUG, 2472 "psmintr: discard a byte (%d)\n", 2473 sc->syncerrors)); 2474 pb->inputbytes--; 2475 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2476 pb->inputbytes); 2477 } 2478 continue; 2479 } 2480 2481 /* 2482 * We have what appears to be a valid packet. 2483 * Reset the error counters. 2484 */ 2485 sc->syncerrors = 0; 2486 2487 /* 2488 * Drop even good packets if they occur within a timeout 2489 * period of a sync error. This allows the detection of 2490 * a change in the mouse's packet mode without exposing 2491 * erratic mouse behavior to the user. Some KVMs forget 2492 * enhanced mouse modes during switch events. 2493 */ 2494 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2495 &now)) { 2496 pb->inputbytes = 0; 2497 continue; 2498 } 2499 2500 /* 2501 * Now that we're out of the validation period, reset 2502 * the packet error count. 2503 */ 2504 sc->pkterrors = 0; 2505 2506 sc->cmdcount++; 2507 next: 2508 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2509 sc->pqueue_end = 0; 2510 /* 2511 * If we've filled the queue then call the softintr ourselves, 2512 * otherwise schedule the interrupt for later. 2513 */ 2514 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2515 (sc->pqueue_end == sc->pqueue_start)) { 2516 if ((sc->state & PSM_SOFTARMED) != 0) { 2517 sc->state &= ~PSM_SOFTARMED; 2518 callout_stop(&sc->softcallout); 2519 } 2520 psmsoftintr(arg); 2521 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2522 sc->state |= PSM_SOFTARMED; 2523 callout_reset(&sc->softcallout, 2524 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 2525 } 2526 } 2527 } 2528 2529 static void 2530 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2531 int *x, int *y, int *z) 2532 { 2533 2534 /* 2535 * PS2++ protocol packet 2536 * 2537 * b7 b6 b5 b4 b3 b2 b1 b0 2538 * byte 1: * 1 p3 p2 1 * * * 2539 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2540 * 2541 * p3-p0: packet type 2542 * c1, c2: c1 & c2 == 1, if p2 == 0 2543 * c1 & c2 == 0, if p2 == 1 2544 * 2545 * packet type: 0 (device type) 2546 * See comments in enable_mmanplus() below. 2547 * 2548 * packet type: 1 (wheel data) 2549 * 2550 * b7 b6 b5 b4 b3 b2 b1 b0 2551 * byte 3: h * B5 B4 s d2 d1 d0 2552 * 2553 * h: 1, if horizontal roller data 2554 * 0, if vertical roller data 2555 * B4, B5: button 4 and 5 2556 * s: sign bit 2557 * d2-d0: roller data 2558 * 2559 * packet type: 2 (reserved) 2560 */ 2561 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2562 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2563 /* 2564 * the extended data packet encodes button 2565 * and wheel events 2566 */ 2567 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2568 case 1: 2569 /* wheel data packet */ 2570 *x = *y = 0; 2571 if (pb->ipacket[2] & 0x80) { 2572 /* XXX horizontal roller count - ignore it */ 2573 ; 2574 } else { 2575 /* vertical roller count */ 2576 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2577 (pb->ipacket[2] & 0x0f) - 16 : 2578 (pb->ipacket[2] & 0x0f); 2579 } 2580 ms->button |= (pb->ipacket[2] & 2581 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2582 MOUSE_BUTTON4DOWN : 0; 2583 ms->button |= (pb->ipacket[2] & 2584 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2585 MOUSE_BUTTON5DOWN : 0; 2586 break; 2587 case 2: 2588 /* 2589 * this packet type is reserved by 2590 * Logitech... 2591 */ 2592 /* 2593 * IBM ScrollPoint Mouse uses this 2594 * packet type to encode both vertical 2595 * and horizontal scroll movement. 2596 */ 2597 *x = *y = 0; 2598 /* horizontal count */ 2599 if (pb->ipacket[2] & 0x0f) 2600 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2601 -2 : 2; 2602 /* vertical count */ 2603 if (pb->ipacket[2] & 0xf0) 2604 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2605 -1 : 1; 2606 break; 2607 case 0: 2608 /* device type packet - shouldn't happen */ 2609 /* FALLTHROUGH */ 2610 default: 2611 *x = *y = 0; 2612 ms->button = ms->obutton; 2613 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2614 "type %d: 0x%02x 0x%02x 0x%02x\n", 2615 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2616 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2617 break; 2618 } 2619 } else { 2620 /* preserve button states */ 2621 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2622 } 2623 } 2624 2625 static int 2626 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2627 int *x, int *y, int *z) 2628 { 2629 static int touchpad_buttons; 2630 static int guest_buttons; 2631 int w, x0, y0; 2632 2633 /* TouchPad PS/2 absolute mode message format with capFourButtons: 2634 * 2635 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2636 * ------------------------------------------------ 2637 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2638 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2639 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2640 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 2641 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2642 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2643 * 2644 * Legend: 2645 * L: left physical mouse button 2646 * R: right physical mouse button 2647 * D: down button 2648 * U: up button 2649 * W: "wrist" value 2650 * X: x position 2651 * Y: y position 2652 * Z: pressure 2653 * 2654 * Without capFourButtons but with nExtendeButtons and/or capMiddle 2655 * 2656 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2657 * ------------------------------------------------------ 2658 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 2659 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 2660 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 2661 * 2662 * Legend: 2663 * M: Middle physical mouse button 2664 * E: Extended mouse buttons reported instead of low bits of X and Y 2665 * b1-b8: Extended mouse buttons 2666 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 2667 * 4 and 5, for reading X and Y value they should be zeroed. 2668 * 2669 * Absolute reportable limits: 0 - 6143. 2670 * Typical bezel limits: 1472 - 5472. 2671 * Typical edge marings: 1632 - 5312. 2672 * 2673 * w = 3 Passthrough Packet 2674 * 2675 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2676 */ 2677 2678 if (!synaptics_support) 2679 return (0); 2680 2681 /* Sanity check for out of sync packets. */ 2682 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2683 (pb->ipacket[3] & 0xc8) != 0xc0) 2684 return (-1); 2685 2686 *x = *y = 0; 2687 2688 /* 2689 * Pressure value. 2690 * Interpretation: 2691 * z = 0 No finger contact 2692 * z = 10 Finger hovering near the pad 2693 * z = 30 Very light finger contact 2694 * z = 80 Normal finger contact 2695 * z = 110 Very heavy finger contact 2696 * z = 200 Finger lying flat on pad surface 2697 * z = 255 Maximum reportable Z 2698 */ 2699 *z = pb->ipacket[2]; 2700 2701 /* 2702 * Finger width value 2703 * Interpretation: 2704 * w = 0 Two finger on the pad (capMultiFinger needed) 2705 * w = 1 Three or more fingers (capMultiFinger needed) 2706 * w = 2 Pen (instead of finger) (capPen needed) 2707 * w = 3 Reserved (passthrough?) 2708 * w = 4-7 Finger of normal width (capPalmDetect needed) 2709 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2710 * w = 15 Maximum reportable width (capPalmDetect needed) 2711 */ 2712 /* XXX Is checking capExtended enough? */ 2713 if (sc->synhw.capExtended) 2714 w = ((pb->ipacket[0] & 0x30) >> 2) | 2715 ((pb->ipacket[0] & 0x04) >> 1) | 2716 ((pb->ipacket[3] & 0x04) >> 2); 2717 else { 2718 /* Assume a finger of regular width. */ 2719 w = 4; 2720 } 2721 2722 /* 2723 * Handle packets from the guest device. See: 2724 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 2725 */ 2726 if (w == 3 && sc->synhw.capPassthrough) { 2727 *x = ((pb->ipacket[1] & 0x10) ? 2728 pb->ipacket[4] - 256 : pb->ipacket[4]); 2729 *y = ((pb->ipacket[1] & 0x20) ? 2730 pb->ipacket[5] - 256 : pb->ipacket[5]); 2731 *z = 0; 2732 2733 guest_buttons = 0; 2734 if (pb->ipacket[1] & 0x01) 2735 guest_buttons |= MOUSE_BUTTON1DOWN; 2736 if (pb->ipacket[1] & 0x04) 2737 guest_buttons |= MOUSE_BUTTON2DOWN; 2738 if (pb->ipacket[1] & 0x02) 2739 guest_buttons |= MOUSE_BUTTON3DOWN; 2740 2741 ms->button = touchpad_buttons | guest_buttons; 2742 goto SYNAPTICS_END; 2743 } 2744 2745 if (sc->syninfo.touchpad_off) { 2746 *x = *y = *z = 0; 2747 ms->button = ms->obutton; 2748 goto SYNAPTICS_END; 2749 } 2750 2751 /* Button presses */ 2752 touchpad_buttons = 0; 2753 if (pb->ipacket[0] & 0x01) 2754 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2755 if (pb->ipacket[0] & 0x02) 2756 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2757 2758 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2759 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 2760 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2761 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 2762 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2763 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 2764 !sc->synhw.capClickPad) { 2765 /* Middle Button */ 2766 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 2767 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2768 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 2769 /* Extended Buttons */ 2770 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 2771 if (sc->syninfo.directional_scrolls) { 2772 if (pb->ipacket[4] & 0x01) 2773 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2774 if (pb->ipacket[5] & 0x01) 2775 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2776 if (pb->ipacket[4] & 0x02) 2777 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2778 if (pb->ipacket[5] & 0x02) 2779 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2780 } else { 2781 if (pb->ipacket[4] & 0x01) 2782 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2783 if (pb->ipacket[5] & 0x01) 2784 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2785 if (pb->ipacket[4] & 0x02) 2786 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2787 sc->extended_buttons = touchpad_buttons; 2788 } 2789 2790 /* 2791 * Zero out bits used by extended buttons to avoid 2792 * misinterpretation of the data absolute position. 2793 * 2794 * The bits represented by 2795 * 2796 * (nExtendedButtons + 1) >> 1 2797 * 2798 * will be masked out in both bytes. 2799 * The mask for n bits is computed with the formula 2800 * 2801 * (1 << n) - 1 2802 */ 2803 int maskedbits = 0; 2804 int mask = 0; 2805 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 2806 mask = (1 << maskedbits) - 1; 2807 pb->ipacket[4] &= ~(mask); 2808 pb->ipacket[5] &= ~(mask); 2809 } else if (!sc->syninfo.directional_scrolls && 2810 !sc->synaction.in_vscroll) { 2811 /* 2812 * Keep reporting MOUSE DOWN until we get a new packet 2813 * indicating otherwise. 2814 */ 2815 touchpad_buttons |= sc->extended_buttons; 2816 } 2817 } 2818 /* Handle ClickPad. */ 2819 if (sc->synhw.capClickPad && 2820 ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01)) 2821 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2822 2823 ms->button = touchpad_buttons | guest_buttons; 2824 2825 /* 2826 * Check pressure to detect a real wanted action on the 2827 * touchpad. 2828 */ 2829 if (*z >= sc->syninfo.min_pressure) { 2830 synapticsaction_t *synaction; 2831 int cursor, peer, window; 2832 int dx, dy, dxp, dyp; 2833 int max_width, max_pressure; 2834 int margin_top, margin_right, margin_bottom, margin_left; 2835 int na_top, na_right, na_bottom, na_left; 2836 int window_min, window_max; 2837 int multiplicator; 2838 int weight_current, weight_previous, weight_len_squared; 2839 int div_min, div_max, div_len; 2840 int vscroll_hor_area, vscroll_ver_area; 2841 int two_finger_scroll; 2842 int len, weight_prev_x, weight_prev_y; 2843 int div_max_x, div_max_y, div_x, div_y; 2844 2845 /* Read sysctl. */ 2846 /* XXX Verify values? */ 2847 max_width = sc->syninfo.max_width; 2848 max_pressure = sc->syninfo.max_pressure; 2849 margin_top = sc->syninfo.margin_top; 2850 margin_right = sc->syninfo.margin_right; 2851 margin_bottom = sc->syninfo.margin_bottom; 2852 margin_left = sc->syninfo.margin_left; 2853 na_top = sc->syninfo.na_top; 2854 na_right = sc->syninfo.na_right; 2855 na_bottom = sc->syninfo.na_bottom; 2856 na_left = sc->syninfo.na_left; 2857 window_min = sc->syninfo.window_min; 2858 window_max = sc->syninfo.window_max; 2859 multiplicator = sc->syninfo.multiplicator; 2860 weight_current = sc->syninfo.weight_current; 2861 weight_previous = sc->syninfo.weight_previous; 2862 weight_len_squared = sc->syninfo.weight_len_squared; 2863 div_min = sc->syninfo.div_min; 2864 div_max = sc->syninfo.div_max; 2865 div_len = sc->syninfo.div_len; 2866 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2867 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2868 two_finger_scroll = sc->syninfo.two_finger_scroll; 2869 2870 /* Palm detection. */ 2871 if (!( 2872 ((sc->synhw.capMultiFinger || 2873 sc->synhw.capAdvancedGestures) && (w == 0 || w == 1)) || 2874 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2875 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2876 (sc->synhw.capPen && w == 2))) { 2877 /* 2878 * We consider the packet irrelevant for the current 2879 * action when: 2880 * - the width isn't comprised in: 2881 * [4; max_width] 2882 * - the pressure isn't comprised in: 2883 * [min_pressure; max_pressure] 2884 * - pen aren't supported but w is 2 2885 * 2886 * Note that this doesn't terminate the current action. 2887 */ 2888 VLOG(2, (LOG_DEBUG, 2889 "synaptics: palm detected! (%d)\n", w)); 2890 goto SYNAPTICS_END; 2891 } 2892 2893 /* Read current absolute position. */ 2894 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2895 ((pb->ipacket[1] & 0x0f) << 8) | 2896 pb->ipacket[4]; 2897 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2898 ((pb->ipacket[1] & 0xf0) << 4) | 2899 pb->ipacket[5]; 2900 2901 synaction = &(sc->synaction); 2902 2903 /* 2904 * If the action is just beginning, init the structure and 2905 * compute tap timeout. 2906 */ 2907 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2908 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2909 2910 /* Store the first point of this action. */ 2911 synaction->start_x = x0; 2912 synaction->start_y = y0; 2913 dx = dy = 0; 2914 2915 /* Initialize queue. */ 2916 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2917 synaction->queue_len = 0; 2918 synaction->window_min = window_min; 2919 2920 /* Reset average. */ 2921 synaction->avg_dx = 0; 2922 synaction->avg_dy = 0; 2923 2924 /* Reset squelch. */ 2925 synaction->squelch_x = 0; 2926 synaction->squelch_y = 0; 2927 2928 /* Reset pressure peak. */ 2929 sc->zmax = 0; 2930 2931 /* Reset fingers count. */ 2932 synaction->fingers_nb = 0; 2933 2934 /* Reset virtual scrolling state. */ 2935 synaction->in_vscroll = 0; 2936 2937 /* Compute tap timeout. */ 2938 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2939 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2940 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2941 2942 sc->flags |= PSM_FLAGS_FINGERDOWN; 2943 } else { 2944 /* Calculate the current delta. */ 2945 cursor = synaction->queue_cursor; 2946 dx = x0 - synaction->queue[cursor].x; 2947 dy = y0 - synaction->queue[cursor].y; 2948 } 2949 2950 /* If in tap-hold, add the recorded button. */ 2951 if (synaction->in_taphold) 2952 ms->button |= synaction->tap_button; 2953 2954 /* 2955 * From now on, we can use the SYNAPTICS_END label to skip 2956 * the current packet. 2957 */ 2958 2959 /* 2960 * Limit the coordinates to the specified margins because 2961 * this area isn't very reliable. 2962 */ 2963 if (x0 <= margin_left) 2964 x0 = margin_left; 2965 else if (x0 >= 6143 - margin_right) 2966 x0 = 6143 - margin_right; 2967 if (y0 <= margin_bottom) 2968 y0 = margin_bottom; 2969 else if (y0 >= 6143 - margin_top) 2970 y0 = 6143 - margin_top; 2971 2972 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2973 x0, y0, *z, w)); 2974 2975 /* Queue this new packet. */ 2976 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2977 synaction->queue[cursor].x = x0; 2978 synaction->queue[cursor].y = y0; 2979 synaction->queue_cursor = cursor; 2980 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2981 synaction->queue_len++; 2982 VLOG(5, (LOG_DEBUG, 2983 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2984 cursor, x0, y0, dx, dy)); 2985 2986 /* 2987 * For tap, we keep the maximum number of fingers and the 2988 * pressure peak. Also with multiple fingers, we increase 2989 * the minimum window. 2990 */ 2991 switch (w) { 2992 case 1: /* Three or more fingers. */ 2993 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2994 synaction->window_min = window_max; 2995 break; 2996 case 0: /* Two fingers. */ 2997 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2998 synaction->window_min = window_max; 2999 break; 3000 default: /* One finger or undetectable. */ 3001 synaction->fingers_nb = imax(1, synaction->fingers_nb); 3002 } 3003 sc->zmax = imax(*z, sc->zmax); 3004 3005 /* Do we have enough packets to consider this a movement? */ 3006 if (synaction->queue_len < synaction->window_min) 3007 goto SYNAPTICS_END; 3008 3009 /* Is a scrolling action occuring? */ 3010 if (!synaction->in_taphold && !synaction->in_vscroll) { 3011 /* 3012 * A scrolling action must not conflict with a tap 3013 * action. Here are the conditions to consider a 3014 * scrolling action: 3015 * - the action in a configurable area 3016 * - one of the following: 3017 * . the distance between the last packet and the 3018 * first should be above a configurable minimum 3019 * . tap timed out 3020 */ 3021 dxp = abs(synaction->queue[synaction->queue_cursor].x - 3022 synaction->start_x); 3023 dyp = abs(synaction->queue[synaction->queue_cursor].y - 3024 synaction->start_y); 3025 3026 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 3027 dxp >= sc->syninfo.vscroll_min_delta || 3028 dyp >= sc->syninfo.vscroll_min_delta) { 3029 /* 3030 * Handle two finger scrolling. 3031 * Note that we don't rely on fingers_nb 3032 * as that keeps the maximum number of fingers. 3033 */ 3034 if (two_finger_scroll) { 3035 if (w == 0) { 3036 synaction->in_vscroll += 3037 dyp ? 2 : 0; 3038 synaction->in_vscroll += 3039 dxp ? 1 : 0; 3040 } 3041 } else { 3042 /* Check for horizontal scrolling. */ 3043 if ((vscroll_hor_area > 0 && 3044 synaction->start_y <= 3045 vscroll_hor_area) || 3046 (vscroll_hor_area < 0 && 3047 synaction->start_y >= 3048 6143 + vscroll_hor_area)) 3049 synaction->in_vscroll += 2; 3050 3051 /* Check for vertical scrolling. */ 3052 if ((vscroll_ver_area > 0 && 3053 synaction->start_x <= 3054 vscroll_ver_area) || 3055 (vscroll_ver_area < 0 && 3056 synaction->start_x >= 3057 6143 + vscroll_ver_area)) 3058 synaction->in_vscroll += 1; 3059 } 3060 3061 /* Avoid conflicts if area overlaps. */ 3062 if (synaction->in_vscroll >= 3) 3063 synaction->in_vscroll = 3064 (dxp > dyp) ? 2 : 1; 3065 } 3066 } 3067 /* 3068 * Reset two finger scrolling when the number of fingers 3069 * is different from two. 3070 */ 3071 if (two_finger_scroll && w != 0) 3072 synaction->in_vscroll = 0; 3073 3074 VLOG(5, (LOG_DEBUG, 3075 "synaptics: virtual scrolling: %s " 3076 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3077 synaction->in_vscroll ? "YES" : "NO", 3078 synaction->in_vscroll, dxp, dyp, 3079 synaction->fingers_nb)); 3080 3081 weight_prev_x = weight_prev_y = weight_previous; 3082 div_max_x = div_max_y = div_max; 3083 3084 if (synaction->in_vscroll) { 3085 /* Dividers are different with virtual scrolling. */ 3086 div_min = sc->syninfo.vscroll_div_min; 3087 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 3088 } else { 3089 /* 3090 * There's a lot of noise in coordinates when 3091 * the finger is on the touchpad's borders. When 3092 * using this area, we apply a special weight and 3093 * div. 3094 */ 3095 if (x0 <= na_left || x0 >= 6143 - na_right) { 3096 weight_prev_x = sc->syninfo.weight_previous_na; 3097 div_max_x = sc->syninfo.div_max_na; 3098 } 3099 3100 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 3101 weight_prev_y = sc->syninfo.weight_previous_na; 3102 div_max_y = sc->syninfo.div_max_na; 3103 } 3104 } 3105 3106 /* 3107 * Calculate weights for the average operands and 3108 * the divisor. Both depend on the distance between 3109 * the current packet and a previous one (based on the 3110 * window width). 3111 */ 3112 window = imin(synaction->queue_len, window_max); 3113 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 3114 dxp = abs(x0 - synaction->queue[peer].x) + 1; 3115 dyp = abs(y0 - synaction->queue[peer].y) + 1; 3116 len = (dxp * dxp) + (dyp * dyp); 3117 weight_prev_x = imin(weight_prev_x, 3118 weight_len_squared * weight_prev_x / len); 3119 weight_prev_y = imin(weight_prev_y, 3120 weight_len_squared * weight_prev_y / len); 3121 3122 len = (dxp + dyp) / 2; 3123 div_x = div_len * div_max_x / len; 3124 div_x = imin(div_max_x, div_x); 3125 div_x = imax(div_min, div_x); 3126 div_y = div_len * div_max_y / len; 3127 div_y = imin(div_max_y, div_y); 3128 div_y = imax(div_min, div_y); 3129 3130 VLOG(3, (LOG_DEBUG, 3131 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 3132 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 3133 3134 /* Compute averages. */ 3135 synaction->avg_dx = 3136 (weight_current * dx * multiplicator + 3137 weight_prev_x * synaction->avg_dx) / 3138 (weight_current + weight_prev_x); 3139 3140 synaction->avg_dy = 3141 (weight_current * dy * multiplicator + 3142 weight_prev_y * synaction->avg_dy) / 3143 (weight_current + weight_prev_y); 3144 3145 VLOG(5, (LOG_DEBUG, 3146 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 3147 synaction->avg_dx / multiplicator, 3148 synaction->avg_dy / multiplicator)); 3149 3150 /* Use these averages to calculate x & y. */ 3151 synaction->squelch_x += synaction->avg_dx; 3152 *x = synaction->squelch_x / (div_x * multiplicator); 3153 synaction->squelch_x = synaction->squelch_x % 3154 (div_x * multiplicator); 3155 3156 synaction->squelch_y += synaction->avg_dy; 3157 *y = synaction->squelch_y / (div_y * multiplicator); 3158 synaction->squelch_y = synaction->squelch_y % 3159 (div_y * multiplicator); 3160 3161 if (synaction->in_vscroll) { 3162 switch(synaction->in_vscroll) { 3163 case 1: /* Vertical scrolling. */ 3164 if (*y != 0) 3165 ms->button |= (*y > 0) ? 3166 MOUSE_BUTTON4DOWN : 3167 MOUSE_BUTTON5DOWN; 3168 break; 3169 case 2: /* Horizontal scrolling. */ 3170 if (*x != 0) 3171 ms->button |= (*x > 0) ? 3172 MOUSE_BUTTON7DOWN : 3173 MOUSE_BUTTON6DOWN; 3174 break; 3175 } 3176 3177 /* The pointer is not moved. */ 3178 *x = *y = 0; 3179 } else { 3180 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3181 dx, dy, *x, *y)); 3182 } 3183 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3184 /* 3185 * An action is currently taking place but the pressure 3186 * dropped under the minimum, putting an end to it. 3187 */ 3188 synapticsaction_t *synaction; 3189 int taphold_timeout, dx, dy, tap_max_delta; 3190 3191 synaction = &(sc->synaction); 3192 dx = abs(synaction->queue[synaction->queue_cursor].x - 3193 synaction->start_x); 3194 dy = abs(synaction->queue[synaction->queue_cursor].y - 3195 synaction->start_y); 3196 3197 /* Max delta is disabled for multi-fingers tap. */ 3198 if (synaction->fingers_nb > 1) 3199 tap_max_delta = imax(dx, dy); 3200 else 3201 tap_max_delta = sc->syninfo.tap_max_delta; 3202 3203 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3204 3205 /* Check for tap. */ 3206 VLOG(3, (LOG_DEBUG, 3207 "synaptics: zmax=%d, dx=%d, dy=%d, " 3208 "delta=%d, fingers=%d, queue=%d\n", 3209 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3210 synaction->queue_len)); 3211 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3212 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3213 dx <= tap_max_delta && dy <= tap_max_delta && 3214 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3215 /* 3216 * We have a tap if: 3217 * - the maximum pressure went over tap_threshold 3218 * - the action ended before tap_timeout 3219 * 3220 * To handle tap-hold, we must delay any button push to 3221 * the next action. 3222 */ 3223 if (synaction->in_taphold) { 3224 /* 3225 * This is the second and last tap of a 3226 * double tap action, not a tap-hold. 3227 */ 3228 synaction->in_taphold = 0; 3229 3230 /* 3231 * For double-tap to work: 3232 * - no button press is emitted (to 3233 * simulate a button release) 3234 * - PSM_FLAGS_FINGERDOWN is set to 3235 * force the next packet to emit a 3236 * button press) 3237 */ 3238 VLOG(2, (LOG_DEBUG, 3239 "synaptics: button RELEASE: %d\n", 3240 synaction->tap_button)); 3241 sc->flags |= PSM_FLAGS_FINGERDOWN; 3242 } else { 3243 /* 3244 * This is the first tap: we set the 3245 * tap-hold state and notify the button 3246 * down event. 3247 */ 3248 synaction->in_taphold = 1; 3249 taphold_timeout = sc->syninfo.taphold_timeout; 3250 sc->taptimeout.tv_sec = taphold_timeout / 3251 1000000; 3252 sc->taptimeout.tv_usec = taphold_timeout % 3253 1000000; 3254 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3255 3256 switch (synaction->fingers_nb) { 3257 case 3: 3258 synaction->tap_button = 3259 MOUSE_BUTTON2DOWN; 3260 break; 3261 case 2: 3262 synaction->tap_button = 3263 MOUSE_BUTTON3DOWN; 3264 break; 3265 default: 3266 synaction->tap_button = 3267 MOUSE_BUTTON1DOWN; 3268 } 3269 VLOG(2, (LOG_DEBUG, 3270 "synaptics: button PRESS: %d\n", 3271 synaction->tap_button)); 3272 ms->button |= synaction->tap_button; 3273 } 3274 } else { 3275 /* 3276 * Not enough pressure or timeout: reset 3277 * tap-hold state. 3278 */ 3279 if (synaction->in_taphold) { 3280 VLOG(2, (LOG_DEBUG, 3281 "synaptics: button RELEASE: %d\n", 3282 synaction->tap_button)); 3283 synaction->in_taphold = 0; 3284 } else { 3285 VLOG(2, (LOG_DEBUG, 3286 "synaptics: not a tap-hold\n")); 3287 } 3288 } 3289 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3290 sc->synaction.in_taphold) { 3291 /* 3292 * For a tap-hold to work, the button must remain down at 3293 * least until timeout (where the in_taphold flags will be 3294 * cleared) or during the next action. 3295 */ 3296 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3297 ms->button |= sc->synaction.tap_button; 3298 } else { 3299 VLOG(2, (LOG_DEBUG, 3300 "synaptics: button RELEASE: %d\n", 3301 sc->synaction.tap_button)); 3302 sc->synaction.in_taphold = 0; 3303 } 3304 } 3305 3306 SYNAPTICS_END: 3307 /* 3308 * Use the extra buttons as a scrollwheel 3309 * 3310 * XXX X.Org uses the Z axis for vertical wheel only, 3311 * whereas moused(8) understands special values to differ 3312 * vertical and horizontal wheels. 3313 * 3314 * xf86-input-mouse needs therefore a small patch to 3315 * understand these special values. Without it, the 3316 * horizontal wheel acts as a vertical wheel in X.Org. 3317 * 3318 * That's why the horizontal wheel is disabled by 3319 * default for now. 3320 */ 3321 3322 if (ms->button & MOUSE_BUTTON4DOWN) { 3323 *z = -1; 3324 ms->button &= ~MOUSE_BUTTON4DOWN; 3325 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3326 *z = 1; 3327 ms->button &= ~MOUSE_BUTTON5DOWN; 3328 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3329 *z = -2; 3330 ms->button &= ~MOUSE_BUTTON6DOWN; 3331 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3332 *z = 2; 3333 ms->button &= ~MOUSE_BUTTON7DOWN; 3334 } else 3335 *z = 0; 3336 3337 return (0); 3338 } 3339 3340 static void 3341 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3342 int *x, int *y, int *z) 3343 { 3344 static int butmap_versapad[8] = { 3345 0, 3346 MOUSE_BUTTON3DOWN, 3347 0, 3348 MOUSE_BUTTON3DOWN, 3349 MOUSE_BUTTON1DOWN, 3350 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3351 MOUSE_BUTTON1DOWN, 3352 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3353 }; 3354 int c, x0, y0; 3355 3356 /* VersaPad PS/2 absolute mode message format 3357 * 3358 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3359 * ipacket[0]: 1 1 0 A 1 L T R 3360 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3361 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3362 * ipacket[3]: 1 1 1 A 1 L T R 3363 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3364 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3365 * 3366 * [note] 3367 * R: right physical mouse button (1=on) 3368 * T: touch pad virtual button (1=tapping) 3369 * L: left physical mouse button (1=on) 3370 * A: position data is valid (1=valid) 3371 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3372 * V: vertical data (12bit signed integer. V11 is sign bit.) 3373 * P: pressure data 3374 * 3375 * Tapping is mapped to MOUSE_BUTTON4. 3376 */ 3377 c = pb->ipacket[0]; 3378 *x = *y = 0; 3379 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3380 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3381 if (c & MOUSE_PS2VERSA_IN_USE) { 3382 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3383 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3384 if (x0 & 0x800) 3385 x0 -= 0x1000; 3386 if (y0 & 0x800) 3387 y0 -= 0x1000; 3388 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3389 *x = sc->xold - x0; 3390 *y = y0 - sc->yold; 3391 if (*x < 0) /* XXX */ 3392 ++*x; 3393 else if (*x) 3394 --*x; 3395 if (*y < 0) 3396 ++*y; 3397 else if (*y) 3398 --*y; 3399 } else 3400 sc->flags |= PSM_FLAGS_FINGERDOWN; 3401 sc->xold = x0; 3402 sc->yold = y0; 3403 } else 3404 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3405 } 3406 3407 static void 3408 psmsoftintr(void *arg) 3409 { 3410 /* 3411 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3412 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3413 */ 3414 static int butmap[8] = { 3415 0, 3416 MOUSE_BUTTON1DOWN, 3417 MOUSE_BUTTON3DOWN, 3418 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3419 MOUSE_BUTTON2DOWN, 3420 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3421 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3422 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3423 }; 3424 struct psm_softc *sc = arg; 3425 mousestatus_t ms; 3426 packetbuf_t *pb; 3427 int x, y, z, c, l, s; 3428 3429 getmicrouptime(&sc->lastsoftintr); 3430 3431 s = spltty(); 3432 3433 do { 3434 pb = &sc->pqueue[sc->pqueue_start]; 3435 3436 if (sc->mode.level == PSM_LEVEL_NATIVE) 3437 goto next_native; 3438 3439 c = pb->ipacket[0]; 3440 /* 3441 * A kludge for Kensington device! 3442 * The MSB of the horizontal count appears to be stored in 3443 * a strange place. 3444 */ 3445 if (sc->hw.model == MOUSE_MODEL_THINK) 3446 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3447 3448 /* ignore the overflow bits... */ 3449 x = (c & MOUSE_PS2_XNEG) ? 3450 pb->ipacket[1] - 256 : pb->ipacket[1]; 3451 y = (c & MOUSE_PS2_YNEG) ? 3452 pb->ipacket[2] - 256 : pb->ipacket[2]; 3453 z = 0; 3454 ms.obutton = sc->button; /* previous button state */ 3455 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3456 /* `tapping' action */ 3457 if (sc->config & PSM_CONFIG_FORCETAP) 3458 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3459 0 : MOUSE_BUTTON4DOWN; 3460 3461 switch (sc->hw.model) { 3462 3463 case MOUSE_MODEL_EXPLORER: 3464 /* 3465 * b7 b6 b5 b4 b3 b2 b1 b0 3466 * byte 1: oy ox sy sx 1 M R L 3467 * byte 2: x x x x x x x x 3468 * byte 3: y y y y y y y y 3469 * byte 4: * * S2 S1 s d2 d1 d0 3470 * 3471 * L, M, R, S1, S2: left, middle, right and side buttons 3472 * s: wheel data sign bit 3473 * d2-d0: wheel data 3474 */ 3475 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3476 (pb->ipacket[3] & 0x0f) - 16 : 3477 (pb->ipacket[3] & 0x0f); 3478 ms.button |= 3479 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3480 MOUSE_BUTTON4DOWN : 0; 3481 ms.button |= 3482 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3483 MOUSE_BUTTON5DOWN : 0; 3484 break; 3485 3486 case MOUSE_MODEL_INTELLI: 3487 case MOUSE_MODEL_NET: 3488 /* wheel data is in the fourth byte */ 3489 z = (char)pb->ipacket[3]; 3490 /* 3491 * XXX some mice may send 7 when there is no Z movement? */ 3492 if ((z >= 7) || (z <= -7)) 3493 z = 0; 3494 /* some compatible mice have additional buttons */ 3495 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3496 MOUSE_BUTTON4DOWN : 0; 3497 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3498 MOUSE_BUTTON5DOWN : 0; 3499 break; 3500 3501 case MOUSE_MODEL_MOUSEMANPLUS: 3502 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3503 break; 3504 3505 case MOUSE_MODEL_GLIDEPOINT: 3506 /* `tapping' action */ 3507 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3508 MOUSE_BUTTON4DOWN; 3509 break; 3510 3511 case MOUSE_MODEL_NETSCROLL: 3512 /* 3513 * three addtional bytes encode buttons and 3514 * wheel events 3515 */ 3516 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3517 MOUSE_BUTTON4DOWN : 0; 3518 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3519 MOUSE_BUTTON5DOWN : 0; 3520 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3521 pb->ipacket[4] - 256 : pb->ipacket[4]; 3522 break; 3523 3524 case MOUSE_MODEL_THINK: 3525 /* the fourth button state in the first byte */ 3526 ms.button |= (c & MOUSE_PS2_TAP) ? 3527 MOUSE_BUTTON4DOWN : 0; 3528 break; 3529 3530 case MOUSE_MODEL_VERSAPAD: 3531 proc_versapad(sc, pb, &ms, &x, &y, &z); 3532 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3533 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3534 break; 3535 3536 case MOUSE_MODEL_4D: 3537 /* 3538 * b7 b6 b5 b4 b3 b2 b1 b0 3539 * byte 1: s2 d2 s1 d1 1 M R L 3540 * byte 2: sx x x x x x x x 3541 * byte 3: sy y y y y y y y 3542 * 3543 * s1: wheel 1 direction 3544 * d1: wheel 1 data 3545 * s2: wheel 2 direction 3546 * d2: wheel 2 data 3547 */ 3548 x = (pb->ipacket[1] & 0x80) ? 3549 pb->ipacket[1] - 256 : pb->ipacket[1]; 3550 y = (pb->ipacket[2] & 0x80) ? 3551 pb->ipacket[2] - 256 : pb->ipacket[2]; 3552 switch (c & MOUSE_4D_WHEELBITS) { 3553 case 0x10: 3554 z = 1; 3555 break; 3556 case 0x30: 3557 z = -1; 3558 break; 3559 case 0x40: /* XXX 2nd wheel turning right */ 3560 z = 2; 3561 break; 3562 case 0xc0: /* XXX 2nd wheel turning left */ 3563 z = -2; 3564 break; 3565 } 3566 break; 3567 3568 case MOUSE_MODEL_4DPLUS: 3569 if ((x < 16 - 256) && (y < 16 - 256)) { 3570 /* 3571 * b7 b6 b5 b4 b3 b2 b1 b0 3572 * byte 1: 0 0 1 1 1 M R L 3573 * byte 2: 0 0 0 0 1 0 0 0 3574 * byte 3: 0 0 0 0 S s d1 d0 3575 * 3576 * L, M, R, S: left, middle, right, 3577 * and side buttons 3578 * s: wheel data sign bit 3579 * d1-d0: wheel data 3580 */ 3581 x = y = 0; 3582 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3583 ms.button |= MOUSE_BUTTON4DOWN; 3584 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3585 ((pb->ipacket[2] & 0x07) - 8) : 3586 (pb->ipacket[2] & 0x07) ; 3587 } else { 3588 /* preserve previous button states */ 3589 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3590 } 3591 break; 3592 3593 case MOUSE_MODEL_SYNAPTICS: 3594 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3595 goto next; 3596 break; 3597 3598 case MOUSE_MODEL_TRACKPOINT: 3599 case MOUSE_MODEL_GENERIC: 3600 default: 3601 break; 3602 } 3603 3604 /* scale values */ 3605 if (sc->mode.accelfactor >= 1) { 3606 if (x != 0) { 3607 x = x * x / sc->mode.accelfactor; 3608 if (x == 0) 3609 x = 1; 3610 if (c & MOUSE_PS2_XNEG) 3611 x = -x; 3612 } 3613 if (y != 0) { 3614 y = y * y / sc->mode.accelfactor; 3615 if (y == 0) 3616 y = 1; 3617 if (c & MOUSE_PS2_YNEG) 3618 y = -y; 3619 } 3620 } 3621 3622 ms.dx = x; 3623 ms.dy = y; 3624 ms.dz = z; 3625 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3626 (ms.obutton ^ ms.button); 3627 3628 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3629 3630 sc->status.flags |= ms.flags; 3631 sc->status.dx += ms.dx; 3632 sc->status.dy += ms.dy; 3633 sc->status.dz += ms.dz; 3634 sc->status.button = ms.button; 3635 sc->button = ms.button; 3636 3637 next_native: 3638 sc->watchdog = FALSE; 3639 3640 /* queue data */ 3641 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3642 l = imin(pb->inputbytes, 3643 sizeof(sc->queue.buf) - sc->queue.tail); 3644 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3645 if (pb->inputbytes > l) 3646 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3647 pb->inputbytes - l); 3648 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3649 sizeof(sc->queue.buf); 3650 sc->queue.count += pb->inputbytes; 3651 } 3652 pb->inputbytes = 0; 3653 3654 next: 3655 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3656 sc->pqueue_start = 0; 3657 } while (sc->pqueue_start != sc->pqueue_end); 3658 3659 if (sc->state & PSM_ASLP) { 3660 sc->state &= ~PSM_ASLP; 3661 wakeup(sc); 3662 } 3663 selwakeuppri(&sc->rsel, PZERO); 3664 if (sc->async != NULL) { 3665 pgsigio(&sc->async, SIGIO, 0); 3666 } 3667 sc->state &= ~PSM_SOFTARMED; 3668 splx(s); 3669 } 3670 3671 static int 3672 psmpoll(struct cdev *dev, int events, struct thread *td) 3673 { 3674 struct psm_softc *sc = dev->si_drv1; 3675 int s; 3676 int revents = 0; 3677 3678 /* Return true if a mouse event available */ 3679 s = spltty(); 3680 if (events & (POLLIN | POLLRDNORM)) { 3681 if (sc->queue.count > 0) 3682 revents |= events & (POLLIN | POLLRDNORM); 3683 else 3684 selrecord(td, &sc->rsel); 3685 } 3686 splx(s); 3687 3688 return (revents); 3689 } 3690 3691 /* vendor/model specific routines */ 3692 3693 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3694 { 3695 if (set_mouse_resolution(kbdc, res) != res) 3696 return (FALSE); 3697 if (set_mouse_scaling(kbdc, scale) && 3698 set_mouse_scaling(kbdc, scale) && 3699 set_mouse_scaling(kbdc, scale) && 3700 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3701 return (TRUE); 3702 return (FALSE); 3703 } 3704 3705 static int 3706 mouse_ext_command(KBDC kbdc, int command) 3707 { 3708 int c; 3709 3710 c = (command >> 6) & 0x03; 3711 if (set_mouse_resolution(kbdc, c) != c) 3712 return (FALSE); 3713 c = (command >> 4) & 0x03; 3714 if (set_mouse_resolution(kbdc, c) != c) 3715 return (FALSE); 3716 c = (command >> 2) & 0x03; 3717 if (set_mouse_resolution(kbdc, c) != c) 3718 return (FALSE); 3719 c = (command >> 0) & 0x03; 3720 if (set_mouse_resolution(kbdc, c) != c) 3721 return (FALSE); 3722 return (TRUE); 3723 } 3724 3725 #ifdef notyet 3726 /* Logitech MouseMan Cordless II */ 3727 static int 3728 enable_lcordless(struct psm_softc *sc, enum probearg arg) 3729 { 3730 KBDC kbdc = sc->kbdc; 3731 int status[3]; 3732 int ch; 3733 3734 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 3735 return (FALSE); 3736 if (status[1] == PSMD_RES_HIGH) 3737 return (FALSE); 3738 ch = (status[0] & 0x07) - 1; /* channel # */ 3739 if ((ch <= 0) || (ch > 4)) 3740 return (FALSE); 3741 /* 3742 * status[1]: always one? 3743 * status[2]: battery status? (0-100) 3744 */ 3745 return (TRUE); 3746 } 3747 #endif /* notyet */ 3748 3749 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3750 static int 3751 enable_groller(struct psm_softc *sc, enum probearg arg) 3752 { 3753 KBDC kbdc = sc->kbdc; 3754 int status[3]; 3755 3756 /* 3757 * The special sequence to enable the fourth button and the 3758 * roller. Immediately after this sequence check status bytes. 3759 * if the mouse is NetScroll, the second and the third bytes are 3760 * '3' and 'D'. 3761 */ 3762 3763 /* 3764 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3765 * look like the following. 3766 * 3767 * byte 1 bit 7 always 0 3768 * bit 6 stream mode (0) 3769 * bit 5 disabled (0) 3770 * bit 4 1:1 scaling (0) 3771 * bit 3 always 0 3772 * bit 0-2 button status 3773 * byte 2 resolution (PSMD_RES_HIGH) 3774 * byte 3 report rate (?) 3775 */ 3776 3777 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3778 return (FALSE); 3779 if ((status[1] != '3') || (status[2] != 'D')) 3780 return (FALSE); 3781 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3782 if (arg == PROBE) 3783 sc->hw.buttons = 4; 3784 return (TRUE); 3785 } 3786 3787 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3788 static int 3789 enable_gmouse(struct psm_softc *sc, enum probearg arg) 3790 { 3791 KBDC kbdc = sc->kbdc; 3792 int status[3]; 3793 3794 /* 3795 * The special sequence to enable the middle, "rubber" button. 3796 * Immediately after this sequence check status bytes. 3797 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3798 * the second and the third bytes are '3' and 'U'. 3799 * NOTE: NetMouse reports that it has three buttons although it has 3800 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3801 * say they have three buttons too and they do have a button on the 3802 * side... 3803 */ 3804 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3805 return (FALSE); 3806 if ((status[1] != '3') || (status[2] != 'U')) 3807 return (FALSE); 3808 return (TRUE); 3809 } 3810 3811 /* ALPS GlidePoint */ 3812 static int 3813 enable_aglide(struct psm_softc *sc, enum probearg arg) 3814 { 3815 KBDC kbdc = sc->kbdc; 3816 int status[3]; 3817 3818 /* 3819 * The special sequence to obtain ALPS GlidePoint specific 3820 * information. Immediately after this sequence, status bytes will 3821 * contain something interesting. 3822 * NOTE: ALPS produces several models of GlidePoint. Some of those 3823 * do not respond to this sequence, thus, cannot be detected this way. 3824 */ 3825 if (set_mouse_sampling_rate(kbdc, 100) != 100) 3826 return (FALSE); 3827 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 3828 return (FALSE); 3829 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3830 return (FALSE); 3831 return (TRUE); 3832 } 3833 3834 /* Kensington ThinkingMouse/Trackball */ 3835 static int 3836 enable_kmouse(struct psm_softc *sc, enum probearg arg) 3837 { 3838 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3839 KBDC kbdc = sc->kbdc; 3840 int status[3]; 3841 int id1; 3842 int id2; 3843 int i; 3844 3845 id1 = get_aux_id(kbdc); 3846 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3847 return (FALSE); 3848 /* 3849 * The device is now in the native mode? It returns a different 3850 * ID value... 3851 */ 3852 id2 = get_aux_id(kbdc); 3853 if ((id1 == id2) || (id2 != 2)) 3854 return (FALSE); 3855 3856 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3857 return (FALSE); 3858 #if PSM_DEBUG >= 2 3859 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3860 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3861 return (FALSE); 3862 #endif 3863 3864 /* 3865 * The special sequence to enable the third and fourth buttons. 3866 * Otherwise they behave like the first and second buttons. 3867 */ 3868 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3869 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3870 return (FALSE); 3871 3872 /* 3873 * At this point, the device is using default resolution and 3874 * sampling rate for the native mode. 3875 */ 3876 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3877 return (FALSE); 3878 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3879 return (FALSE); 3880 3881 /* the device appears be enabled by this sequence, diable it for now */ 3882 disable_aux_dev(kbdc); 3883 empty_aux_buffer(kbdc, 5); 3884 3885 return (TRUE); 3886 } 3887 3888 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3889 static int 3890 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 3891 { 3892 KBDC kbdc = sc->kbdc; 3893 int data[3]; 3894 3895 /* the special sequence to enable the fourth button and the roller. */ 3896 /* 3897 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3898 * must be called exactly three times since the last RESET command 3899 * before this sequence. XXX 3900 */ 3901 if (!set_mouse_scaling(kbdc, 1)) 3902 return (FALSE); 3903 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3904 return (FALSE); 3905 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3906 return (FALSE); 3907 3908 /* 3909 * PS2++ protocol, packet type 0 3910 * 3911 * b7 b6 b5 b4 b3 b2 b1 b0 3912 * byte 1: * 1 p3 p2 1 * * * 3913 * byte 2: 1 1 p1 p0 m1 m0 1 0 3914 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3915 * 3916 * p3-p0: packet type: 0 3917 * m7-m0: model ID: MouseMan+:0x50, 3918 * FirstMouse+:0x51, 3919 * ScrollPoint:0x58... 3920 */ 3921 /* check constant bits */ 3922 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3923 return (FALSE); 3924 if ((data[1] & 0xc3) != 0xc2) 3925 return (FALSE); 3926 /* check d3-d0 in byte 2 */ 3927 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3928 return (FALSE); 3929 /* check p3-p0 */ 3930 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3931 return (FALSE); 3932 3933 if (arg == PROBE) { 3934 sc->hw.hwid &= 0x00ff; 3935 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3936 } 3937 3938 /* 3939 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3940 * the wheel and the fourth button events are encoded in the 3941 * special data packet. The mouse may be put in the IntelliMouse mode 3942 * if it is initialized by the IntelliMouse's method. 3943 */ 3944 return (TRUE); 3945 } 3946 3947 /* MS IntelliMouse Explorer */ 3948 static int 3949 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 3950 { 3951 KBDC kbdc = sc->kbdc; 3952 static u_char rate0[] = { 200, 100, 80, }; 3953 static u_char rate1[] = { 200, 200, 80, }; 3954 int id; 3955 int i; 3956 3957 /* 3958 * This is needed for at least A4Tech X-7xx mice - they do not go 3959 * straight to Explorer mode, but need to be set to Intelli mode 3960 * first. 3961 */ 3962 enable_msintelli(sc, arg); 3963 3964 /* the special sequence to enable the extra buttons and the roller. */ 3965 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3966 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3967 return (FALSE); 3968 /* the device will give the genuine ID only after the above sequence */ 3969 id = get_aux_id(kbdc); 3970 if (id != PSM_EXPLORER_ID) 3971 return (FALSE); 3972 3973 if (arg == PROBE) { 3974 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3975 sc->hw.hwid = id; 3976 } 3977 3978 /* 3979 * XXX: this is a kludge to fool some KVM switch products 3980 * which think they are clever enough to know the 4-byte IntelliMouse 3981 * protocol, and assume any other protocols use 3-byte packets. 3982 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3983 * correctly to the host computer because of this! 3984 * The following sequence is actually IntelliMouse's "wake up" 3985 * sequence; it will make the KVM think the mouse is IntelliMouse 3986 * when it is in fact IntelliMouse Explorer. 3987 */ 3988 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3989 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3990 break; 3991 get_aux_id(kbdc); 3992 3993 return (TRUE); 3994 } 3995 3996 /* 3997 * MS IntelliMouse 3998 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3999 * probe routine and act like IntelliMouse. 4000 */ 4001 static int 4002 enable_msintelli(struct psm_softc *sc, enum probearg arg) 4003 { 4004 KBDC kbdc = sc->kbdc; 4005 static u_char rate[] = { 200, 100, 80, }; 4006 int id; 4007 int i; 4008 4009 /* the special sequence to enable the third button and the roller. */ 4010 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 4011 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 4012 return (FALSE); 4013 /* the device will give the genuine ID only after the above sequence */ 4014 id = get_aux_id(kbdc); 4015 if (id != PSM_INTELLI_ID) 4016 return (FALSE); 4017 4018 if (arg == PROBE) { 4019 sc->hw.buttons = 3; 4020 sc->hw.hwid = id; 4021 } 4022 4023 return (TRUE); 4024 } 4025 4026 /* 4027 * A4 Tech 4D Mouse 4028 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 4029 */ 4030 static int 4031 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 4032 { 4033 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 4034 KBDC kbdc = sc->kbdc; 4035 int id; 4036 int i; 4037 4038 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 4039 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 4040 return (FALSE); 4041 id = get_aux_id(kbdc); 4042 /* 4043 * WinEasy 4D, 4 Way Scroll 4D: 6 4044 * Cable-Free 4D: 8 (4DPLUS) 4045 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 4046 */ 4047 if (id != PSM_4DMOUSE_ID) 4048 return (FALSE); 4049 4050 if (arg == PROBE) { 4051 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 4052 sc->hw.hwid = id; 4053 } 4054 4055 return (TRUE); 4056 } 4057 4058 /* 4059 * A4 Tech 4D+ Mouse 4060 * Newer wheel mice from A4 Tech seem to use this protocol. 4061 * Older models are recognized as either 4D Mouse or IntelliMouse. 4062 */ 4063 static int 4064 enable_4dplus(struct psm_softc *sc, enum probearg arg) 4065 { 4066 KBDC kbdc = sc->kbdc; 4067 int id; 4068 4069 /* 4070 * enable_4dmouse() already issued the following ID sequence... 4071 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 4072 int i; 4073 4074 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 4075 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 4076 return (FALSE); 4077 */ 4078 4079 id = get_aux_id(kbdc); 4080 switch (id) { 4081 case PSM_4DPLUS_ID: 4082 break; 4083 case PSM_4DPLUS_RFSW35_ID: 4084 break; 4085 default: 4086 return (FALSE); 4087 } 4088 4089 if (arg == PROBE) { 4090 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 4091 sc->hw.hwid = id; 4092 } 4093 4094 return (TRUE); 4095 } 4096 4097 /* Synaptics Touchpad */ 4098 static int 4099 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 4100 { 4101 int error, arg; 4102 4103 /* Read the current value. */ 4104 arg = *(int *)oidp->oid_arg1; 4105 error = sysctl_handle_int(oidp, &arg, 0, req); 4106 4107 /* Sanity check. */ 4108 if (error || !req->newptr) 4109 return (error); 4110 4111 /* 4112 * Check that the new value is in the concerned node's range 4113 * of values. 4114 */ 4115 switch (oidp->oid_arg2) { 4116 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 4117 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 4118 if (arg < 0 || arg > 255) 4119 return (EINVAL); 4120 break; 4121 case SYNAPTICS_SYSCTL_MAX_WIDTH: 4122 if (arg < 4 || arg > 15) 4123 return (EINVAL); 4124 break; 4125 case SYNAPTICS_SYSCTL_MARGIN_TOP: 4126 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 4127 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 4128 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 4129 case SYNAPTICS_SYSCTL_NA_TOP: 4130 case SYNAPTICS_SYSCTL_NA_RIGHT: 4131 case SYNAPTICS_SYSCTL_NA_BOTTOM: 4132 case SYNAPTICS_SYSCTL_NA_LEFT: 4133 if (arg < 0 || arg > 6143) 4134 return (EINVAL); 4135 break; 4136 case SYNAPTICS_SYSCTL_WINDOW_MIN: 4137 case SYNAPTICS_SYSCTL_WINDOW_MAX: 4138 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 4139 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 4140 return (EINVAL); 4141 break; 4142 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 4143 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 4144 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 4145 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 4146 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 4147 case SYNAPTICS_SYSCTL_DIV_MIN: 4148 case SYNAPTICS_SYSCTL_DIV_MAX: 4149 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 4150 case SYNAPTICS_SYSCTL_DIV_LEN: 4151 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 4152 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 4153 if (arg < 1) 4154 return (EINVAL); 4155 break; 4156 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 4157 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 4158 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 4159 if (arg < 0) 4160 return (EINVAL); 4161 break; 4162 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4163 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4164 if (arg < -6143 || arg > 6143) 4165 return (EINVAL); 4166 break; 4167 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 4168 if (arg < 0 || arg > 1) 4169 return (EINVAL); 4170 break; 4171 default: 4172 return (EINVAL); 4173 } 4174 4175 /* Update. */ 4176 *(int *)oidp->oid_arg1 = arg; 4177 4178 return (error); 4179 } 4180 4181 static void 4182 synaptics_sysctl_create_tree(struct psm_softc *sc) 4183 { 4184 4185 if (sc->syninfo.sysctl_tree != NULL) 4186 return; 4187 4188 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4189 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4190 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4191 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4192 0, "Synaptics TouchPad"); 4193 4194 /* hw.psm.synaptics.directional_scrolls. */ 4195 sc->syninfo.directional_scrolls = 0; 4196 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4197 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4198 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4199 &sc->syninfo.directional_scrolls, 0, 4200 "Enable hardware scrolling pad (if non-zero) or register it as " 4201 "extended buttons (if 0)"); 4202 4203 /* 4204 * Turn off two finger scroll if we have a 4205 * physical area reserved for scrolling or when 4206 * there's no multi finger support. 4207 */ 4208 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 4209 sc->synhw.capAdvancedGestures == 0)) 4210 sc->syninfo.two_finger_scroll = 0; 4211 else 4212 sc->syninfo.two_finger_scroll = 1; 4213 /* hw.psm.synaptics.two_finger_scroll. */ 4214 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4215 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4216 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 4217 &sc->syninfo.two_finger_scroll, 0, 4218 "Enable two finger scrolling"); 4219 4220 /* hw.psm.synaptics.min_pressure. */ 4221 sc->syninfo.min_pressure = 16; 4222 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4223 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4224 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4225 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4226 synaptics_sysctl, "I", 4227 "Minimum pressure required to start an action"); 4228 4229 /* hw.psm.synaptics.max_pressure. */ 4230 sc->syninfo.max_pressure = 220; 4231 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4232 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4233 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4234 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4235 synaptics_sysctl, "I", 4236 "Maximum pressure to detect palm"); 4237 4238 /* hw.psm.synaptics.max_width. */ 4239 sc->syninfo.max_width = 10; 4240 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4241 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4242 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4243 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4244 synaptics_sysctl, "I", 4245 "Maximum finger width to detect palm"); 4246 4247 /* hw.psm.synaptics.top_margin. */ 4248 sc->syninfo.margin_top = 200; 4249 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4250 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4251 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4252 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4253 synaptics_sysctl, "I", 4254 "Top margin"); 4255 4256 /* hw.psm.synaptics.right_margin. */ 4257 sc->syninfo.margin_right = 200; 4258 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4259 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4260 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4261 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4262 synaptics_sysctl, "I", 4263 "Right margin"); 4264 4265 /* hw.psm.synaptics.bottom_margin. */ 4266 sc->syninfo.margin_bottom = 200; 4267 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4268 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4269 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4270 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4271 synaptics_sysctl, "I", 4272 "Bottom margin"); 4273 4274 /* hw.psm.synaptics.left_margin. */ 4275 sc->syninfo.margin_left = 200; 4276 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4277 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4278 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4279 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4280 synaptics_sysctl, "I", 4281 "Left margin"); 4282 4283 /* hw.psm.synaptics.na_top. */ 4284 sc->syninfo.na_top = 1783; 4285 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4286 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4287 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4288 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4289 synaptics_sysctl, "I", 4290 "Top noisy area, where weight_previous_na is used instead " 4291 "of weight_previous"); 4292 4293 /* hw.psm.synaptics.na_right. */ 4294 sc->syninfo.na_right = 563; 4295 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4296 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4297 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4298 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4299 synaptics_sysctl, "I", 4300 "Right noisy area, where weight_previous_na is used instead " 4301 "of weight_previous"); 4302 4303 /* hw.psm.synaptics.na_bottom. */ 4304 sc->syninfo.na_bottom = 1408; 4305 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4306 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4307 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4308 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4309 synaptics_sysctl, "I", 4310 "Bottom noisy area, where weight_previous_na is used instead " 4311 "of weight_previous"); 4312 4313 /* hw.psm.synaptics.na_left. */ 4314 sc->syninfo.na_left = 1600; 4315 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4316 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4317 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4318 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4319 synaptics_sysctl, "I", 4320 "Left noisy area, where weight_previous_na is used instead " 4321 "of weight_previous"); 4322 4323 /* hw.psm.synaptics.window_min. */ 4324 sc->syninfo.window_min = 4; 4325 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4326 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4327 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4328 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4329 synaptics_sysctl, "I", 4330 "Minimum window size to start an action"); 4331 4332 /* hw.psm.synaptics.window_max. */ 4333 sc->syninfo.window_max = 10; 4334 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4335 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4336 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4337 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4338 synaptics_sysctl, "I", 4339 "Maximum window size"); 4340 4341 /* hw.psm.synaptics.multiplicator. */ 4342 sc->syninfo.multiplicator = 10000; 4343 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4344 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4345 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4346 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4347 synaptics_sysctl, "I", 4348 "Multiplicator to increase precision in averages and divisions"); 4349 4350 /* hw.psm.synaptics.weight_current. */ 4351 sc->syninfo.weight_current = 3; 4352 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4353 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4354 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4355 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4356 synaptics_sysctl, "I", 4357 "Weight of the current movement in the new average"); 4358 4359 /* hw.psm.synaptics.weight_previous. */ 4360 sc->syninfo.weight_previous = 6; 4361 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4362 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4363 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4364 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4365 synaptics_sysctl, "I", 4366 "Weight of the previous average"); 4367 4368 /* hw.psm.synaptics.weight_previous_na. */ 4369 sc->syninfo.weight_previous_na = 20; 4370 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4371 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4372 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4373 &sc->syninfo.weight_previous_na, 4374 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4375 synaptics_sysctl, "I", 4376 "Weight of the previous average (inside the noisy area)"); 4377 4378 /* hw.psm.synaptics.weight_len_squared. */ 4379 sc->syninfo.weight_len_squared = 2000; 4380 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4381 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4382 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4383 &sc->syninfo.weight_len_squared, 4384 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4385 synaptics_sysctl, "I", 4386 "Length (squared) of segments where weight_previous " 4387 "starts to decrease"); 4388 4389 /* hw.psm.synaptics.div_min. */ 4390 sc->syninfo.div_min = 9; 4391 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4392 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4393 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4394 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4395 synaptics_sysctl, "I", 4396 "Divisor for fast movements"); 4397 4398 /* hw.psm.synaptics.div_max. */ 4399 sc->syninfo.div_max = 17; 4400 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4401 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4402 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4403 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4404 synaptics_sysctl, "I", 4405 "Divisor for slow movements"); 4406 4407 /* hw.psm.synaptics.div_max_na. */ 4408 sc->syninfo.div_max_na = 30; 4409 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4410 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4411 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4412 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4413 synaptics_sysctl, "I", 4414 "Divisor with slow movements (inside the noisy area)"); 4415 4416 /* hw.psm.synaptics.div_len. */ 4417 sc->syninfo.div_len = 100; 4418 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4419 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4420 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4421 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4422 synaptics_sysctl, "I", 4423 "Length of segments where div_max starts to decrease"); 4424 4425 /* hw.psm.synaptics.tap_max_delta. */ 4426 sc->syninfo.tap_max_delta = 80; 4427 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4428 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4429 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4430 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4431 synaptics_sysctl, "I", 4432 "Length of segments above which a tap is ignored"); 4433 4434 /* hw.psm.synaptics.tap_min_queue. */ 4435 sc->syninfo.tap_min_queue = 2; 4436 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4437 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4438 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4439 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4440 synaptics_sysctl, "I", 4441 "Number of packets required to consider a tap"); 4442 4443 /* hw.psm.synaptics.taphold_timeout. */ 4444 sc->synaction.in_taphold = 0; 4445 sc->syninfo.taphold_timeout = tap_timeout; 4446 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4447 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4448 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4449 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4450 synaptics_sysctl, "I", 4451 "Maximum elapsed time between two taps to consider a tap-hold " 4452 "action"); 4453 4454 /* hw.psm.synaptics.vscroll_hor_area. */ 4455 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4456 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4457 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4458 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4459 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4460 synaptics_sysctl, "I", 4461 "Area reserved for horizontal virtual scrolling"); 4462 4463 /* hw.psm.synaptics.vscroll_ver_area. */ 4464 sc->syninfo.vscroll_ver_area = -600; 4465 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4466 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4467 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4468 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4469 synaptics_sysctl, "I", 4470 "Area reserved for vertical virtual scrolling"); 4471 4472 /* hw.psm.synaptics.vscroll_min_delta. */ 4473 sc->syninfo.vscroll_min_delta = 50; 4474 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4475 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4476 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4477 &sc->syninfo.vscroll_min_delta, 4478 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4479 synaptics_sysctl, "I", 4480 "Minimum movement to consider virtual scrolling"); 4481 4482 /* hw.psm.synaptics.vscroll_div_min. */ 4483 sc->syninfo.vscroll_div_min = 100; 4484 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4485 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4486 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4487 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4488 synaptics_sysctl, "I", 4489 "Divisor for fast scrolling"); 4490 4491 /* hw.psm.synaptics.vscroll_div_min. */ 4492 sc->syninfo.vscroll_div_max = 150; 4493 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4494 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4495 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4496 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4497 synaptics_sysctl, "I", 4498 "Divisor for slow scrolling"); 4499 4500 /* hw.psm.synaptics.touchpad_off. */ 4501 sc->syninfo.touchpad_off = 0; 4502 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4503 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4504 "touchpad_off", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4505 &sc->syninfo.touchpad_off, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 4506 synaptics_sysctl, "I", 4507 "Turn off touchpad"); 4508 } 4509 4510 static int 4511 synaptics_preferred_mode(struct psm_softc *sc) { 4512 int mode_byte; 4513 4514 mode_byte = 0xc0; 4515 4516 /* request wmode where available */ 4517 if (sc->synhw.capExtended) 4518 mode_byte |= 1; 4519 4520 /* 4521 * Disable gesture processing when native packets are requested. This 4522 * enables sending of encapsulated "extended W mode" packets. 4523 */ 4524 if (sc->mode.level == PSM_LEVEL_NATIVE) 4525 mode_byte |= (1 << 2); 4526 4527 return mode_byte; 4528 } 4529 4530 static void 4531 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 4532 mouse_ext_command(sc->kbdc, mode_byte); 4533 4534 /* "Commit" the Set Mode Byte command sent above. */ 4535 set_mouse_sampling_rate(sc->kbdc, 20); 4536 4537 /* 4538 * Enable advanced gestures mode if supported and we are not entering 4539 * passthrough mode. 4540 */ 4541 if (sc->synhw.capAdvancedGestures && !(mode_byte & (1 << 5))) { 4542 mouse_ext_command(sc->kbdc, 3); 4543 set_mouse_sampling_rate(sc->kbdc, 0xc8); 4544 } 4545 } 4546 4547 static int 4548 enable_synaptics(struct psm_softc *sc, enum probearg arg) 4549 { 4550 KBDC kbdc = sc->kbdc; 4551 synapticshw_t synhw; 4552 int status[3]; 4553 int buttons; 4554 4555 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4556 4557 /* 4558 * Just to be on the safe side: this avoids troubles with 4559 * following mouse_ext_command() when the previous command 4560 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4561 * Synaptics Touchpad behaviour. 4562 */ 4563 set_mouse_scaling(kbdc, 1); 4564 4565 /* Identify the Touchpad version. */ 4566 if (mouse_ext_command(kbdc, 0) == 0) 4567 return (FALSE); 4568 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4569 return (FALSE); 4570 if (status[1] != 0x47) 4571 return (FALSE); 4572 4573 bzero(&synhw, sizeof(synhw)); 4574 synhw.infoMinor = status[0]; 4575 synhw.infoMajor = status[2] & 0x0f; 4576 4577 if (verbose >= 2) 4578 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 4579 synhw.infoMinor); 4580 4581 if (synhw.infoMajor < 4) { 4582 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4583 return (FALSE); 4584 } 4585 4586 /* Get the Touchpad model information. */ 4587 if (mouse_ext_command(kbdc, 3) == 0) 4588 return (FALSE); 4589 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4590 return (FALSE); 4591 if ((status[1] & 0x01) != 0) { 4592 printf(" Failed to read model information\n"); 4593 return (FALSE); 4594 } 4595 4596 synhw.infoRot180 = (status[0] & 0x80) != 0; 4597 synhw.infoPortrait = (status[0] & 0x40) != 0; 4598 synhw.infoSensor = status[0] & 0x3f; 4599 synhw.infoHardware = (status[1] & 0xfe) >> 1; 4600 synhw.infoNewAbs = (status[2] & 0x80) != 0; 4601 synhw.capPen = (status[2] & 0x40) != 0; 4602 synhw.infoSimplC = (status[2] & 0x20) != 0; 4603 synhw.infoGeometry = status[2] & 0x0f; 4604 4605 if (verbose >= 2) { 4606 printf(" Model information:\n"); 4607 printf(" infoRot180: %d\n", synhw.infoRot180); 4608 printf(" infoPortrait: %d\n", synhw.infoPortrait); 4609 printf(" infoSensor: %d\n", synhw.infoSensor); 4610 printf(" infoHardware: %d\n", synhw.infoHardware); 4611 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 4612 printf(" capPen: %d\n", synhw.capPen); 4613 printf(" infoSimplC: %d\n", synhw.infoSimplC); 4614 printf(" infoGeometry: %d\n", synhw.infoGeometry); 4615 } 4616 4617 /* Read the extended capability bits. */ 4618 if (mouse_ext_command(kbdc, 2) == 0) 4619 return (FALSE); 4620 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4621 return (FALSE); 4622 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4623 printf(" Failed to read extended capability bits\n"); 4624 return (FALSE); 4625 } 4626 4627 /* Set the different capabilities when they exist. */ 4628 buttons = 0; 4629 synhw.capExtended = (status[0] & 0x80) != 0; 4630 if (synhw.capExtended) { 4631 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 4632 synhw.capMiddle = (status[0] & 0x04) != 0; 4633 synhw.capPassthrough = (status[2] & 0x80) != 0; 4634 synhw.capLowPower = (status[2] & 0x40) != 0; 4635 synhw.capMultiFingerReport = 4636 (status[2] & 0x20) != 0; 4637 synhw.capSleep = (status[2] & 0x10) != 0; 4638 synhw.capFourButtons = (status[2] & 0x08) != 0; 4639 synhw.capBallistics = (status[2] & 0x04) != 0; 4640 synhw.capMultiFinger = (status[2] & 0x02) != 0; 4641 synhw.capPalmDetect = (status[2] & 0x01) != 0; 4642 4643 if (!set_mouse_scaling(kbdc, 1)) 4644 return (FALSE); 4645 if (mouse_ext_command(kbdc, 0x08) == 0) 4646 return (FALSE); 4647 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4648 return (FALSE); 4649 4650 synhw.infoXupmm = status[0]; 4651 synhw.infoYupmm = status[2]; 4652 4653 if (verbose >= 2) { 4654 printf(" Extended capabilities:\n"); 4655 printf(" capExtended: %d\n", synhw.capExtended); 4656 printf(" capMiddle: %d\n", synhw.capMiddle); 4657 printf(" nExtendedQueries: %d\n", 4658 synhw.nExtendedQueries); 4659 printf(" capPassthrough: %d\n", synhw.capPassthrough); 4660 printf(" capLowPower: %d\n", synhw.capLowPower); 4661 printf(" capMultiFingerReport: %d\n", 4662 synhw.capMultiFingerReport); 4663 printf(" capSleep: %d\n", synhw.capSleep); 4664 printf(" capFourButtons: %d\n", synhw.capFourButtons); 4665 printf(" capBallistics: %d\n", synhw.capBallistics); 4666 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 4667 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 4668 printf(" infoXupmm: %d\n", synhw.infoXupmm); 4669 printf(" infoYupmm: %d\n", synhw.infoYupmm); 4670 } 4671 4672 /* 4673 * If nExtendedQueries is 1 or greater, then the TouchPad 4674 * supports this number of extended queries. We can load 4675 * more information about buttons using query 0x09. 4676 */ 4677 if (synhw.nExtendedQueries >= 1) { 4678 if (!set_mouse_scaling(kbdc, 1)) 4679 return (FALSE); 4680 if (mouse_ext_command(kbdc, 0x09) == 0) 4681 return (FALSE); 4682 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4683 return (FALSE); 4684 synhw.verticalScroll = (status[0] & 0x01) != 0; 4685 synhw.horizontalScroll = (status[0] & 0x02) != 0; 4686 synhw.verticalWheel = (status[0] & 0x08) != 0; 4687 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 4688 synhw.capEWmode = (status[0] & 0x04) != 0; 4689 if (verbose >= 2) { 4690 printf(" Extended model ID:\n"); 4691 printf(" verticalScroll: %d\n", 4692 synhw.verticalScroll); 4693 printf(" horizontalScroll: %d\n", 4694 synhw.horizontalScroll); 4695 printf(" verticalWheel: %d\n", 4696 synhw.verticalWheel); 4697 printf(" nExtendedButtons: %d\n", 4698 synhw.nExtendedButtons); 4699 printf(" capEWmode: %d\n", 4700 synhw.capEWmode); 4701 } 4702 /* 4703 * Add the number of extended buttons to the total 4704 * button support count, including the middle button 4705 * if capMiddle support bit is set. 4706 */ 4707 buttons = synhw.nExtendedButtons + synhw.capMiddle; 4708 } else 4709 /* 4710 * If the capFourButtons support bit is set, 4711 * add a fourth button to the total button count. 4712 */ 4713 buttons = synhw.capFourButtons ? 1 : 0; 4714 4715 /* Read the continued capabilities bits. */ 4716 if (synhw.nExtendedQueries >= 4) { 4717 if (!set_mouse_scaling(kbdc, 1)) 4718 return (FALSE); 4719 if (mouse_ext_command(kbdc, 0x0c) == 0) 4720 return (FALSE); 4721 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4722 return (FALSE); 4723 4724 synhw.capClickPad = (status[1] & 0x01) << 1; 4725 synhw.capClickPad |= (status[0] & 0x10) != 0; 4726 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 4727 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 4728 synhw.capReportsV = (status[1] & 0x08) != 0; 4729 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 4730 synhw.capReportsMin = (status[1] & 0x20) != 0; 4731 synhw.capInterTouch = (status[1] & 0x40) != 0; 4732 synhw.capReportsMax = (status[0] & 0x02) != 0; 4733 synhw.capClearPad = (status[0] & 0x04) != 0; 4734 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 4735 synhw.capCoveredPad = (status[0] & 0x80) != 0; 4736 4737 if (synhw.capReportsMax) { 4738 if (!set_mouse_scaling(kbdc, 1)) 4739 return (FALSE); 4740 if (mouse_ext_command(kbdc, 0x0d) == 0) 4741 return (FALSE); 4742 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4743 return (FALSE); 4744 4745 synhw.maximumXCoord = (status[0] << 5) | 4746 ((status[1] & 0x0f) << 1); 4747 synhw.maximumYCoord = (status[2] << 5) | 4748 ((status[1] & 0xf0) >> 3); 4749 } 4750 if (synhw.capReportsMin) { 4751 if (!set_mouse_scaling(kbdc, 1)) 4752 return (FALSE); 4753 if (mouse_ext_command(kbdc, 0x0f) == 0) 4754 return (FALSE); 4755 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4756 return (FALSE); 4757 4758 synhw.minimumXCoord = (status[0] << 5) | 4759 ((status[1] & 0x0f) << 1); 4760 synhw.minimumYCoord = (status[2] << 5) | 4761 ((status[1] & 0xf0) >> 3); 4762 } 4763 4764 if (verbose >= 2) { 4765 printf(" Continued capabilities:\n"); 4766 printf(" capClickPad: %d\n", 4767 synhw.capClickPad); 4768 printf(" capDeluxeLEDs: %d\n", 4769 synhw.capDeluxeLEDs); 4770 printf(" noAbsoluteFilter: %d\n", 4771 synhw.noAbsoluteFilter); 4772 printf(" capReportsV: %d\n", 4773 synhw.capReportsV); 4774 printf(" capUniformClickPad: %d\n", 4775 synhw.capUniformClickPad); 4776 printf(" capReportsMin: %d\n", 4777 synhw.capReportsMin); 4778 printf(" capInterTouch: %d\n", 4779 synhw.capInterTouch); 4780 printf(" capReportsMax: %d\n", 4781 synhw.capReportsMax); 4782 printf(" capClearPad: %d\n", 4783 synhw.capClearPad); 4784 printf(" capAdvancedGestures: %d\n", 4785 synhw.capAdvancedGestures); 4786 printf(" capCoveredPad: %d\n", 4787 synhw.capCoveredPad); 4788 if (synhw.capReportsMax) { 4789 printf(" maximumXCoord: %d\n", 4790 synhw.maximumXCoord); 4791 printf(" maximumYCoord: %d\n", 4792 synhw.maximumYCoord); 4793 } 4794 if (synhw.capReportsMin) { 4795 printf(" minimumXCoord: %d\n", 4796 synhw.minimumXCoord); 4797 printf(" minimumYCoord: %d\n", 4798 synhw.minimumYCoord); 4799 } 4800 } 4801 buttons += synhw.capClickPad; 4802 } 4803 } 4804 4805 if (verbose >= 2) { 4806 if (synhw.capExtended) 4807 printf(" Additional Buttons: %d\n", buttons); 4808 else 4809 printf(" No extended capabilities\n"); 4810 } 4811 4812 /* 4813 * Add the default number of 3 buttons to the total 4814 * count of supported buttons reported above. 4815 */ 4816 buttons += 3; 4817 4818 /* 4819 * Read the mode byte. 4820 * 4821 * XXX: Note the Synaptics documentation also defines the first 4822 * byte of the response to this query to be a constant 0x3b, this 4823 * does not appear to be true for Touchpads with guest devices. 4824 */ 4825 if (mouse_ext_command(kbdc, 1) == 0) 4826 return (FALSE); 4827 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4828 return (FALSE); 4829 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4830 printf(" Failed to read mode byte\n"); 4831 return (FALSE); 4832 } 4833 4834 if (arg == PROBE) 4835 sc->synhw = synhw; 4836 if (!synaptics_support) 4837 return (FALSE); 4838 4839 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 4840 4841 if (trackpoint_support && synhw.capPassthrough) { 4842 enable_trackpoint(sc, arg); 4843 } 4844 4845 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 4846 4847 if (arg == PROBE) { 4848 /* Create sysctl tree. */ 4849 synaptics_sysctl_create_tree(sc); 4850 sc->hw.buttons = buttons; 4851 } 4852 4853 return (TRUE); 4854 } 4855 4856 static void 4857 synaptics_passthrough_on(struct psm_softc *sc) 4858 { 4859 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 4860 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 4861 } 4862 4863 static void 4864 synaptics_passthrough_off(struct psm_softc *sc) 4865 { 4866 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 4867 set_mouse_scaling(sc->kbdc, 2); 4868 set_mouse_scaling(sc->kbdc, 1); 4869 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 4870 } 4871 4872 /* IBM/Lenovo TrackPoint */ 4873 static int 4874 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 4875 { 4876 const int seq[] = { 0xe2, cmd, loc, val }; 4877 int i; 4878 4879 if (sc->synhw.capPassthrough) 4880 synaptics_passthrough_on(sc); 4881 4882 for (i = 0; i < nitems(seq); i++) { 4883 if (sc->synhw.capPassthrough && 4884 (seq[i] == 0xff || seq[i] == 0xe7)) 4885 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 4886 synaptics_passthrough_off(sc); 4887 return (EIO); 4888 } 4889 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 4890 if (sc->synhw.capPassthrough) 4891 synaptics_passthrough_off(sc); 4892 return (EIO); 4893 } 4894 } 4895 4896 if (sc->synhw.capPassthrough) 4897 synaptics_passthrough_off(sc); 4898 4899 return (0); 4900 } 4901 4902 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 4903 #define TPMASK 0 4904 #define TPLOC 1 4905 #define TPINFO 2 4906 4907 static int 4908 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 4909 { 4910 static const int data[][3] = { 4911 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 4912 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 4913 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 4914 { 0x00, 0x57, PSM_TPINFO(reach) }, 4915 { 0x00, 0x58, PSM_TPINFO(draghys) }, 4916 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 4917 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 4918 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 4919 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 4920 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 4921 { 0x01, 0x2c, PSM_TPINFO(pts) }, 4922 { 0x08, 0x2d, PSM_TPINFO(skipback) } 4923 }; 4924 struct psm_softc *sc; 4925 int error, newval, *oldvalp; 4926 const int *tp; 4927 4928 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 4929 return (EINVAL); 4930 sc = arg1; 4931 tp = data[arg2]; 4932 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 4933 newval = *oldvalp; 4934 error = sysctl_handle_int(oidp, &newval, 0, req); 4935 if (error != 0) 4936 return (error); 4937 if (newval == *oldvalp) 4938 return (0); 4939 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 4940 return (EINVAL); 4941 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 4942 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 4943 if (error != 0) 4944 return (error); 4945 *oldvalp = newval; 4946 4947 return (0); 4948 } 4949 4950 static void 4951 trackpoint_sysctl_create_tree(struct psm_softc *sc) 4952 { 4953 4954 if (sc->tpinfo.sysctl_tree != NULL) 4955 return; 4956 4957 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 4958 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 4959 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 4960 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 4961 0, "IBM/Lenovo TrackPoint"); 4962 4963 /* hw.psm.trackpoint.sensitivity */ 4964 sc->tpinfo.sensitivity = 0x80; 4965 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4966 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4967 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4968 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 4969 trackpoint_sysctl, "I", 4970 "Sensitivity"); 4971 4972 /* hw.psm.trackpoint.negative_inertia */ 4973 sc->tpinfo.inertia = 0x06; 4974 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4975 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4976 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4977 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 4978 trackpoint_sysctl, "I", 4979 "Negative inertia factor"); 4980 4981 /* hw.psm.trackpoint.upper_plateau */ 4982 sc->tpinfo.uplateau = 0x61; 4983 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4984 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4985 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4986 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 4987 trackpoint_sysctl, "I", 4988 "Transfer function upper plateau speed"); 4989 4990 /* hw.psm.trackpoint.backup_range */ 4991 sc->tpinfo.reach = 0x0a; 4992 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4993 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4994 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4995 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 4996 trackpoint_sysctl, "I", 4997 "Backup range"); 4998 4999 /* hw.psm.trackpoint.drag_hysteresis */ 5000 sc->tpinfo.draghys = 0xff; 5001 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5002 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5003 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5004 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 5005 trackpoint_sysctl, "I", 5006 "Drag hysteresis"); 5007 5008 /* hw.psm.trackpoint.minimum_drag */ 5009 sc->tpinfo.mindrag = 0x14; 5010 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5011 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5012 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5013 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 5014 trackpoint_sysctl, "I", 5015 "Minimum drag"); 5016 5017 /* hw.psm.trackpoint.up_threshold */ 5018 sc->tpinfo.upthresh = 0xff; 5019 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5020 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5021 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5022 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 5023 trackpoint_sysctl, "I", 5024 "Up threshold for release"); 5025 5026 /* hw.psm.trackpoint.threshold */ 5027 sc->tpinfo.threshold = 0x08; 5028 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5029 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5030 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5031 sc, TRACKPOINT_SYSCTL_THRESHOLD, 5032 trackpoint_sysctl, "I", 5033 "Threshold"); 5034 5035 /* hw.psm.trackpoint.jenks_curvature */ 5036 sc->tpinfo.jenks = 0x87; 5037 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5038 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5039 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5040 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 5041 trackpoint_sysctl, "I", 5042 "Jenks curvature"); 5043 5044 /* hw.psm.trackpoint.z_time */ 5045 sc->tpinfo.ztime = 0x26; 5046 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5047 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5048 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5049 sc, TRACKPOINT_SYSCTL_Z_TIME, 5050 trackpoint_sysctl, "I", 5051 "Z time constant"); 5052 5053 /* hw.psm.trackpoint.press_to_select */ 5054 sc->tpinfo.pts = 0x00; 5055 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5056 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5057 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5058 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 5059 trackpoint_sysctl, "I", 5060 "Press to Select"); 5061 5062 /* hw.psm.trackpoint.skip_backups */ 5063 sc->tpinfo.skipback = 0x00; 5064 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5065 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5066 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5067 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 5068 trackpoint_sysctl, "I", 5069 "Skip backups from drags"); 5070 } 5071 5072 static void 5073 set_trackpoint_parameters(struct psm_softc *sc) 5074 { 5075 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 5076 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 5077 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 5078 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 5079 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 5080 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 5081 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 5082 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 5083 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 5084 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 5085 if (sc->tpinfo.pts == 0x01) 5086 trackpoint_command(sc, 0x47, 0x2c, 0x01); 5087 if (sc->tpinfo.skipback == 0x01) 5088 trackpoint_command(sc, 0x47, 0x2d, 0x08); 5089 } 5090 5091 static int 5092 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 5093 { 5094 KBDC kbdc = sc->kbdc; 5095 int id; 5096 5097 /* 5098 * If called from enable_synaptics(), make sure that passthrough 5099 * mode is enabled so we can reach the trackpoint. 5100 * However, passthrough mode must be disabled before setting the 5101 * trackpoint parameters, as rackpoint_command() enables and disables 5102 * passthrough mode on its own. 5103 */ 5104 if (sc->synhw.capPassthrough) 5105 synaptics_passthrough_on(sc); 5106 5107 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 5108 read_aux_data(kbdc) != 0x01) 5109 goto no_trackpoint; 5110 id = read_aux_data(kbdc); 5111 if (id < 0x01) 5112 goto no_trackpoint; 5113 if (arg == PROBE) 5114 sc->tphw = id; 5115 if (!trackpoint_support) 5116 goto no_trackpoint; 5117 5118 if (sc->synhw.capPassthrough) 5119 synaptics_passthrough_off(sc); 5120 5121 if (arg == PROBE) { 5122 trackpoint_sysctl_create_tree(sc); 5123 /* 5124 * Don't overwrite hwid and buttons when we are 5125 * a guest device. 5126 */ 5127 if (!sc->synhw.capPassthrough) { 5128 sc->hw.hwid = id; 5129 sc->hw.buttons = 3; 5130 } 5131 } 5132 5133 set_trackpoint_parameters(sc); 5134 5135 return (TRUE); 5136 5137 no_trackpoint: 5138 if (sc->synhw.capPassthrough) 5139 synaptics_passthrough_off(sc); 5140 5141 return (FALSE); 5142 } 5143 5144 /* Interlink electronics VersaPad */ 5145 static int 5146 enable_versapad(struct psm_softc *sc, enum probearg arg) 5147 { 5148 KBDC kbdc = sc->kbdc; 5149 int data[3]; 5150 5151 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 5152 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 5153 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5154 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5155 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5156 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5157 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 5158 return (FALSE); 5159 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 5160 return (FALSE); 5161 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5162 5163 return (TRUE); /* PS/2 absolute mode */ 5164 } 5165 5166 /* 5167 * Return true if 'now' is earlier than (start + (secs.usecs)). 5168 * Now may be NULL and the function will fetch the current time from 5169 * getmicrouptime(), or a cached 'now' can be passed in. 5170 * All values should be numbers derived from getmicrouptime(). 5171 */ 5172 static int 5173 timeelapsed(start, secs, usecs, now) 5174 const struct timeval *start, *now; 5175 int secs, usecs; 5176 { 5177 struct timeval snow, tv; 5178 5179 /* if there is no 'now' passed in, the get it as a convience. */ 5180 if (now == NULL) { 5181 getmicrouptime(&snow); 5182 now = &snow; 5183 } 5184 5185 tv.tv_sec = secs; 5186 tv.tv_usec = usecs; 5187 timevaladd(&tv, start); 5188 return (timevalcmp(&tv, now, <)); 5189 } 5190 5191 static int 5192 psmresume(device_t dev) 5193 { 5194 struct psm_softc *sc = device_get_softc(dev); 5195 int unit = device_get_unit(dev); 5196 int err; 5197 5198 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 5199 5200 if ((sc->config & 5201 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 5202 return (0); 5203 5204 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 5205 5206 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 5207 /* 5208 * Release the blocked process; it must be notified that 5209 * the device cannot be accessed anymore. 5210 */ 5211 sc->state &= ~PSM_ASLP; 5212 wakeup(sc); 5213 } 5214 5215 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 5216 5217 return (err); 5218 } 5219 5220 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 5221 5222 #ifdef DEV_ISA 5223 5224 /* 5225 * This sucks up assignments from PNPBIOS and ACPI. 5226 */ 5227 5228 /* 5229 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 5230 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 5231 * can be probed and attached only after the AT keyboard controller is 5232 * attached, we shall quietly reserve the IRQ resource for later use. 5233 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 5234 * copy the IRQ resource to the PS/2 mouse device instance hanging 5235 * under the keyboard controller, then probe and attach it. 5236 */ 5237 5238 static devclass_t psmcpnp_devclass; 5239 5240 static device_probe_t psmcpnp_probe; 5241 static device_attach_t psmcpnp_attach; 5242 5243 static device_method_t psmcpnp_methods[] = { 5244 DEVMETHOD(device_probe, psmcpnp_probe), 5245 DEVMETHOD(device_attach, psmcpnp_attach), 5246 5247 { 0, 0 } 5248 }; 5249 5250 static driver_t psmcpnp_driver = { 5251 PSMCPNP_DRIVER_NAME, 5252 psmcpnp_methods, 5253 1, /* no softc */ 5254 }; 5255 5256 static struct isa_pnp_id psmcpnp_ids[] = { 5257 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 5258 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 5259 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 5260 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 5261 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 5262 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 5263 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 5264 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 5265 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 5266 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 5267 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 5268 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 5269 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 5270 { 0 } 5271 }; 5272 5273 static int 5274 create_a_copy(device_t atkbdc, device_t me) 5275 { 5276 device_t psm; 5277 u_long irq; 5278 5279 /* find the PS/2 mouse device instance under the keyboard controller */ 5280 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 5281 device_get_unit(atkbdc)); 5282 if (psm == NULL) 5283 return (ENXIO); 5284 if (device_get_state(psm) != DS_NOTPRESENT) 5285 return (0); 5286 5287 /* move our resource to the found device */ 5288 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 5289 bus_delete_resource(me, SYS_RES_IRQ, 0); 5290 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 5291 5292 /* ...then probe and attach it */ 5293 return (device_probe_and_attach(psm)); 5294 } 5295 5296 static int 5297 psmcpnp_probe(device_t dev) 5298 { 5299 struct resource *res; 5300 u_long irq; 5301 int rid; 5302 5303 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 5304 return (ENXIO); 5305 5306 /* 5307 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 5308 * to the PS/2 mouse device node. But, some buggy PnP BIOS 5309 * declares the PS/2 mouse device node without an IRQ resource! 5310 * If this happens, we shall refer to device hints. 5311 * If we still don't find it there, use a hardcoded value... XXX 5312 */ 5313 rid = 0; 5314 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 5315 if (irq <= 0) { 5316 if (resource_long_value(PSM_DRIVER_NAME, 5317 device_get_unit(dev),"irq", &irq) != 0) 5318 irq = 12; /* XXX */ 5319 device_printf(dev, "irq resource info is missing; " 5320 "assuming irq %ld\n", irq); 5321 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 5322 } 5323 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 5324 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 5325 5326 /* keep quiet */ 5327 if (!bootverbose) 5328 device_quiet(dev); 5329 5330 return ((res == NULL) ? ENXIO : 0); 5331 } 5332 5333 static int 5334 psmcpnp_attach(device_t dev) 5335 { 5336 device_t atkbdc; 5337 5338 /* find the keyboard controller, which may be on acpi* or isa* bus */ 5339 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 5340 device_get_unit(dev)); 5341 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 5342 create_a_copy(atkbdc, dev); 5343 5344 return (0); 5345 } 5346 5347 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 5348 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 5349 5350 #endif /* DEV_ISA */ 5351