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 (nitems(vendortype) - 1) 528 529 /* device driver declarateion */ 530 static device_method_t psm_methods[] = { 531 /* Device interface */ 532 DEVMETHOD(device_identify, psmidentify), 533 DEVMETHOD(device_probe, psmprobe), 534 DEVMETHOD(device_attach, psmattach), 535 DEVMETHOD(device_detach, psmdetach), 536 DEVMETHOD(device_resume, psmresume), 537 538 { 0, 0 } 539 }; 540 541 static driver_t psm_driver = { 542 PSM_DRIVER_NAME, 543 psm_methods, 544 sizeof(struct psm_softc), 545 }; 546 547 static struct cdevsw psm_cdevsw = { 548 .d_version = D_VERSION, 549 .d_flags = D_NEEDGIANT, 550 .d_open = psmopen, 551 .d_close = psmclose, 552 .d_read = psmread, 553 .d_write = psmwrite, 554 .d_ioctl = psmioctl, 555 .d_poll = psmpoll, 556 .d_name = PSM_DRIVER_NAME, 557 }; 558 559 /* device I/O routines */ 560 static int 561 enable_aux_dev(KBDC kbdc) 562 { 563 int res; 564 565 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 566 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 567 568 return (res == PSM_ACK); 569 } 570 571 static int 572 disable_aux_dev(KBDC kbdc) 573 { 574 int res; 575 576 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 577 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 578 579 return (res == PSM_ACK); 580 } 581 582 static int 583 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 584 { 585 int cmd; 586 int res; 587 int i; 588 589 switch (flag) { 590 case 0: 591 default: 592 cmd = PSMC_SEND_DEV_STATUS; 593 break; 594 case 1: 595 cmd = PSMC_SEND_DEV_DATA; 596 break; 597 } 598 empty_aux_buffer(kbdc, 5); 599 res = send_aux_command(kbdc, cmd); 600 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 601 (flag == 1) ? "DATA" : "STATUS", res)); 602 if (res != PSM_ACK) 603 return (0); 604 605 for (i = 0; i < len; ++i) { 606 status[i] = read_aux_data(kbdc); 607 if (status[i] < 0) 608 break; 609 } 610 611 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 612 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 613 614 return (i); 615 } 616 617 static int 618 get_aux_id(KBDC kbdc) 619 { 620 int res; 621 int id; 622 623 empty_aux_buffer(kbdc, 5); 624 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 625 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 626 if (res != PSM_ACK) 627 return (-1); 628 629 /* 10ms delay */ 630 DELAY(10000); 631 632 id = read_aux_data(kbdc); 633 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 634 635 return (id); 636 } 637 638 static int 639 set_mouse_sampling_rate(KBDC kbdc, int rate) 640 { 641 int res; 642 643 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 644 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 645 646 return ((res == PSM_ACK) ? rate : -1); 647 } 648 649 static int 650 set_mouse_scaling(KBDC kbdc, int scale) 651 { 652 int res; 653 654 switch (scale) { 655 case 1: 656 default: 657 scale = PSMC_SET_SCALING11; 658 break; 659 case 2: 660 scale = PSMC_SET_SCALING21; 661 break; 662 } 663 res = send_aux_command(kbdc, scale); 664 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 665 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 666 667 return (res == PSM_ACK); 668 } 669 670 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 671 static int 672 set_mouse_resolution(KBDC kbdc, int val) 673 { 674 int res; 675 676 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 677 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 678 679 return ((res == PSM_ACK) ? val : -1); 680 } 681 682 /* 683 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 684 * re-enabled by calling `enable_aux_dev()' 685 */ 686 static int 687 set_mouse_mode(KBDC kbdc) 688 { 689 int res; 690 691 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 692 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 693 694 return (res == PSM_ACK); 695 } 696 697 static int 698 get_mouse_buttons(KBDC kbdc) 699 { 700 int c = 2; /* assume two buttons by default */ 701 int status[3]; 702 703 /* 704 * NOTE: a special sequence to obtain Logitech Mouse specific 705 * information: set resolution to 25 ppi, set scaling to 1:1, set 706 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 707 * mouse status bytes is the number of available buttons. 708 * Some manufactures also support this sequence. 709 */ 710 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 711 return (c); 712 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 713 set_mouse_scaling(kbdc, 1) && 714 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 715 return (status[1]); 716 return (c); 717 } 718 719 /* misc subroutines */ 720 /* 721 * Someday, I will get the complete list of valid pointing devices and 722 * their IDs... XXX 723 */ 724 static int 725 is_a_mouse(int id) 726 { 727 #if 0 728 static int valid_ids[] = { 729 PSM_MOUSE_ID, /* mouse */ 730 PSM_BALLPOINT_ID, /* ballpoint device */ 731 PSM_INTELLI_ID, /* Intellimouse */ 732 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 733 -1 /* end of table */ 734 }; 735 int i; 736 737 for (i = 0; valid_ids[i] >= 0; ++i) 738 if (valid_ids[i] == id) 739 return (TRUE); 740 return (FALSE); 741 #else 742 return (TRUE); 743 #endif 744 } 745 746 static char * 747 model_name(int model) 748 { 749 static struct { 750 int model_code; 751 char *model_name; 752 } models[] = { 753 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 754 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 755 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 756 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 757 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 758 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 759 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 760 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 761 { MOUSE_MODEL_4D, "4D Mouse" }, 762 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 763 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 764 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 765 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 766 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 767 }; 768 int i; 769 770 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 771 if (models[i].model_code == model) 772 break; 773 return (models[i].model_name); 774 } 775 776 static void 777 recover_from_error(KBDC kbdc) 778 { 779 /* discard anything left in the output buffer */ 780 empty_both_buffers(kbdc, 10); 781 782 #if 0 783 /* 784 * NOTE: KBDC_RESET_KBD may not restore the communication between the 785 * keyboard and the controller. 786 */ 787 reset_kbd(kbdc); 788 #else 789 /* 790 * NOTE: somehow diagnostic and keyboard port test commands bring the 791 * keyboard back. 792 */ 793 if (!test_controller(kbdc)) 794 log(LOG_ERR, "psm: keyboard controller failed.\n"); 795 /* if there isn't a keyboard in the system, the following error is OK */ 796 if (test_kbd_port(kbdc) != 0) 797 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 798 #endif 799 } 800 801 static int 802 restore_controller(KBDC kbdc, int command_byte) 803 { 804 empty_both_buffers(kbdc, 10); 805 806 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 807 log(LOG_ERR, "psm: failed to restore the keyboard controller " 808 "command byte.\n"); 809 empty_both_buffers(kbdc, 10); 810 return (FALSE); 811 } else { 812 empty_both_buffers(kbdc, 10); 813 return (TRUE); 814 } 815 } 816 817 /* 818 * Re-initialize the aux port and device. The aux port must be enabled 819 * and its interrupt must be disabled before calling this routine. 820 * The aux device will be disabled before returning. 821 * The keyboard controller must be locked via `kbdc_lock()' before 822 * calling this routine. 823 */ 824 static int 825 doinitialize(struct psm_softc *sc, mousemode_t *mode) 826 { 827 KBDC kbdc = sc->kbdc; 828 int stat[3]; 829 int i; 830 831 switch((i = test_aux_port(kbdc))) { 832 case 1: /* ignore these errors */ 833 case 2: 834 case 3: 835 case PSM_ACK: 836 if (verbose) 837 log(LOG_DEBUG, 838 "psm%d: strange result for test aux port (%d).\n", 839 sc->unit, i); 840 /* FALLTHROUGH */ 841 case 0: /* no error */ 842 break; 843 case -1: /* time out */ 844 default: /* error */ 845 recover_from_error(kbdc); 846 if (sc->config & PSM_CONFIG_IGNPORTERROR) 847 break; 848 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 849 sc->unit, i); 850 return (FALSE); 851 } 852 853 if (sc->config & PSM_CONFIG_NORESET) { 854 /* 855 * Don't try to reset the pointing device. It may possibly 856 * be left in the unknown state, though... 857 */ 858 } else { 859 /* 860 * NOTE: some controllers appears to hang the `keyboard' when 861 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 862 */ 863 if (!reset_aux_dev(kbdc)) { 864 recover_from_error(kbdc); 865 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 866 sc->unit); 867 return (FALSE); 868 } 869 } 870 871 /* 872 * both the aux port and the aux device is functioning, see 873 * if the device can be enabled. 874 */ 875 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 876 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 877 sc->unit); 878 return (FALSE); 879 } 880 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 881 882 /* Re-enable the mouse. */ 883 for (i = 0; vendortype[i].probefunc != NULL; ++i) 884 if (vendortype[i].model == sc->hw.model) 885 (*vendortype[i].probefunc)(sc, REINIT); 886 887 /* set mouse parameters */ 888 if (mode != (mousemode_t *)NULL) { 889 if (mode->rate > 0) 890 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 891 if (mode->resolution >= 0) 892 mode->resolution = 893 set_mouse_resolution(kbdc, mode->resolution); 894 set_mouse_scaling(kbdc, 1); 895 set_mouse_mode(kbdc); 896 } 897 898 /* Record sync on the next data packet we see. */ 899 sc->flags |= PSM_NEED_SYNCBITS; 900 901 /* just check the status of the mouse */ 902 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 903 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 904 sc->unit); 905 906 return (TRUE); 907 } 908 909 static int 910 doopen(struct psm_softc *sc, int command_byte) 911 { 912 int stat[3]; 913 914 /* 915 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 916 * no obvious reason. Thus we check the current mode and restore the 917 * Absolute Mode if it was cleared. 918 * 919 * The previous hack at the end of psmprobe() wasn't efficient when 920 * moused(8) was restarted. 921 * 922 * A Reset (FF) or Set Defaults (F6) command would clear the 923 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 924 * doesn't show any evidence of such a command. 925 */ 926 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 927 mouse_ext_command(sc->kbdc, 1); 928 get_mouse_status(sc->kbdc, stat, 0, 3); 929 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 930 stat[1] == 0x47) && 931 stat[2] == 0x40) { 932 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 933 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 934 "hopefully restored\n", 935 sc->unit)); 936 } 937 } 938 939 /* 940 * A user may want to disable tap and drag gestures on a Synaptics 941 * TouchPad when it operates in Relative Mode. 942 */ 943 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 944 if (tap_enabled > 0) { 945 /* 946 * Enable tap & drag gestures. We use a Mode Byte 947 * and clear the DisGest bit (see §2.5 of Synaptics 948 * TouchPad Interfacing Guide). 949 */ 950 VLOG(2, (LOG_DEBUG, 951 "psm%d: enable tap and drag gestures\n", 952 sc->unit)); 953 mouse_ext_command(sc->kbdc, 0x00); 954 set_mouse_sampling_rate(sc->kbdc, 20); 955 } else if (tap_enabled == 0) { 956 /* 957 * Disable tap & drag gestures. We use a Mode Byte 958 * and set the DisGest bit (see §2.5 of Synaptics 959 * TouchPad Interfacing Guide). 960 */ 961 VLOG(2, (LOG_DEBUG, 962 "psm%d: disable tap and drag gestures\n", 963 sc->unit)); 964 mouse_ext_command(sc->kbdc, 0x04); 965 set_mouse_sampling_rate(sc->kbdc, 20); 966 } 967 } 968 969 /* enable the mouse device */ 970 if (!enable_aux_dev(sc->kbdc)) { 971 /* MOUSE ERROR: failed to enable the mouse because: 972 * 1) the mouse is faulty, 973 * 2) the mouse has been removed(!?) 974 * In the latter case, the keyboard may have hung, and need 975 * recovery procedure... 976 */ 977 recover_from_error(sc->kbdc); 978 #if 0 979 /* FIXME: we could reset the mouse here and try to enable 980 * it again. But it will take long time and it's not a good 981 * idea to disable the keyboard that long... 982 */ 983 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 984 recover_from_error(sc->kbdc); 985 #else 986 { 987 #endif 988 restore_controller(sc->kbdc, command_byte); 989 /* mark this device is no longer available */ 990 sc->state &= ~PSM_VALID; 991 log(LOG_ERR, 992 "psm%d: failed to enable the device (doopen).\n", 993 sc->unit); 994 return (EIO); 995 } 996 } 997 998 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 999 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 1000 sc->unit); 1001 1002 /* enable the aux port and interrupt */ 1003 if (!set_controller_command_byte(sc->kbdc, 1004 kbdc_get_device_mask(sc->kbdc), 1005 (command_byte & KBD_KBD_CONTROL_BITS) | 1006 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1007 /* CONTROLLER ERROR */ 1008 disable_aux_dev(sc->kbdc); 1009 restore_controller(sc->kbdc, command_byte); 1010 log(LOG_ERR, 1011 "psm%d: failed to enable the aux interrupt (doopen).\n", 1012 sc->unit); 1013 return (EIO); 1014 } 1015 1016 /* start the watchdog timer */ 1017 sc->watchdog = FALSE; 1018 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1019 1020 return (0); 1021 } 1022 1023 static int 1024 reinitialize(struct psm_softc *sc, int doinit) 1025 { 1026 int err; 1027 int c; 1028 int s; 1029 1030 /* don't let anybody mess with the aux device */ 1031 if (!kbdc_lock(sc->kbdc, TRUE)) 1032 return (EIO); 1033 s = spltty(); 1034 1035 /* block our watchdog timer */ 1036 sc->watchdog = FALSE; 1037 callout_stop(&sc->callout); 1038 1039 /* save the current controller command byte */ 1040 empty_both_buffers(sc->kbdc, 10); 1041 c = get_controller_command_byte(sc->kbdc); 1042 VLOG(2, (LOG_DEBUG, 1043 "psm%d: current command byte: %04x (reinitialize).\n", 1044 sc->unit, c)); 1045 1046 /* enable the aux port but disable the aux interrupt and the keyboard */ 1047 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1048 kbdc_get_device_mask(sc->kbdc), 1049 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1050 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1051 /* CONTROLLER ERROR */ 1052 splx(s); 1053 kbdc_lock(sc->kbdc, FALSE); 1054 log(LOG_ERR, 1055 "psm%d: unable to set the command byte (reinitialize).\n", 1056 sc->unit); 1057 return (EIO); 1058 } 1059 1060 /* flush any data */ 1061 if (sc->state & PSM_VALID) { 1062 /* this may fail; but never mind... */ 1063 disable_aux_dev(sc->kbdc); 1064 empty_aux_buffer(sc->kbdc, 10); 1065 } 1066 flushpackets(sc); 1067 sc->syncerrors = 0; 1068 sc->pkterrors = 0; 1069 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1070 1071 /* try to detect the aux device; are you still there? */ 1072 err = 0; 1073 if (doinit) { 1074 if (doinitialize(sc, &sc->mode)) { 1075 /* yes */ 1076 sc->state |= PSM_VALID; 1077 } else { 1078 /* the device has gone! */ 1079 restore_controller(sc->kbdc, c); 1080 sc->state &= ~PSM_VALID; 1081 log(LOG_ERR, 1082 "psm%d: the aux device has gone! (reinitialize).\n", 1083 sc->unit); 1084 err = ENXIO; 1085 } 1086 } 1087 splx(s); 1088 1089 /* restore the driver state */ 1090 if ((sc->state & PSM_OPEN) && (err == 0)) { 1091 /* enable the aux device and the port again */ 1092 err = doopen(sc, c); 1093 if (err != 0) 1094 log(LOG_ERR, "psm%d: failed to enable the device " 1095 "(reinitialize).\n", sc->unit); 1096 } else { 1097 /* restore the keyboard port and disable the aux port */ 1098 if (!set_controller_command_byte(sc->kbdc, 1099 kbdc_get_device_mask(sc->kbdc), 1100 (c & KBD_KBD_CONTROL_BITS) | 1101 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1102 /* CONTROLLER ERROR */ 1103 log(LOG_ERR, "psm%d: failed to disable the aux port " 1104 "(reinitialize).\n", sc->unit); 1105 err = EIO; 1106 } 1107 } 1108 1109 kbdc_lock(sc->kbdc, FALSE); 1110 return (err); 1111 } 1112 1113 /* psm driver entry points */ 1114 1115 static void 1116 psmidentify(driver_t *driver, device_t parent) 1117 { 1118 device_t psmc; 1119 device_t psm; 1120 u_long irq; 1121 int unit; 1122 1123 unit = device_get_unit(parent); 1124 1125 /* always add at least one child */ 1126 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1127 if (psm == NULL) 1128 return; 1129 1130 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1131 if (irq > 0) 1132 return; 1133 1134 /* 1135 * If the PS/2 mouse device has already been reported by ACPI or 1136 * PnP BIOS, obtain the IRQ resource from it. 1137 * (See psmcpnp_attach() below.) 1138 */ 1139 psmc = device_find_child(device_get_parent(parent), 1140 PSMCPNP_DRIVER_NAME, unit); 1141 if (psmc == NULL) 1142 return; 1143 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1144 if (irq <= 0) 1145 return; 1146 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1147 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1148 } 1149 1150 #define endprobe(v) do { \ 1151 if (bootverbose) \ 1152 --verbose; \ 1153 kbdc_set_device_mask(sc->kbdc, mask); \ 1154 kbdc_lock(sc->kbdc, FALSE); \ 1155 return (v); \ 1156 } while (0) 1157 1158 static int 1159 psmprobe(device_t dev) 1160 { 1161 int unit = device_get_unit(dev); 1162 struct psm_softc *sc = device_get_softc(dev); 1163 int stat[3]; 1164 int command_byte; 1165 int mask; 1166 int rid; 1167 int i; 1168 1169 #if 0 1170 kbdc_debug(TRUE); 1171 #endif 1172 1173 /* see if IRQ is available */ 1174 rid = KBDC_RID_AUX; 1175 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1176 if (sc->intr == NULL) { 1177 if (bootverbose) 1178 device_printf(dev, "unable to allocate IRQ\n"); 1179 return (ENXIO); 1180 } 1181 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1182 1183 sc->unit = unit; 1184 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1185 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1186 /* XXX: for backward compatibility */ 1187 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1188 sc->config |= 1189 #ifdef PSM_RESETAFTERSUSPEND 1190 PSM_CONFIG_INITAFTERSUSPEND; 1191 #else 1192 PSM_CONFIG_HOOKRESUME; 1193 #endif 1194 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1195 sc->flags = 0; 1196 if (bootverbose) 1197 ++verbose; 1198 1199 device_set_desc(dev, "PS/2 Mouse"); 1200 1201 if (!kbdc_lock(sc->kbdc, TRUE)) { 1202 printf("psm%d: unable to lock the controller.\n", unit); 1203 if (bootverbose) 1204 --verbose; 1205 return (ENXIO); 1206 } 1207 1208 /* 1209 * NOTE: two bits in the command byte controls the operation of the 1210 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1211 * port interrupt (IRQ 12) enable bit (bit 2). 1212 */ 1213 1214 /* discard anything left after the keyboard initialization */ 1215 empty_both_buffers(sc->kbdc, 10); 1216 1217 /* save the current command byte; it will be used later */ 1218 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1219 command_byte = get_controller_command_byte(sc->kbdc); 1220 if (verbose) 1221 printf("psm%d: current command byte:%04x\n", unit, 1222 command_byte); 1223 if (command_byte == -1) { 1224 /* CONTROLLER ERROR */ 1225 printf("psm%d: unable to get the current command byte value.\n", 1226 unit); 1227 endprobe(ENXIO); 1228 } 1229 1230 /* 1231 * disable the keyboard port while probing the aux port, which must be 1232 * enabled during this routine 1233 */ 1234 if (!set_controller_command_byte(sc->kbdc, 1235 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1236 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1237 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1238 /* 1239 * this is CONTROLLER ERROR; I don't know how to recover 1240 * from this error... 1241 */ 1242 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1243 restore_controller(sc->kbdc, command_byte); 1244 printf("psm%d: unable to set the command byte.\n", unit); 1245 endprobe(ENXIO); 1246 } 1247 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1248 1249 /* 1250 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1251 * port exists and is functioning. However, some controllers appears 1252 * to respond with zero even when the aux port doesn't exist. (It may 1253 * be that this is only the case when the controller DOES have the aux 1254 * port but the port is not wired on the motherboard.) The keyboard 1255 * controllers without the port, such as the original AT, are 1256 * supposed to return with an error code or simply time out. In any 1257 * case, we have to continue probing the port even when the controller 1258 * passes this test. 1259 * 1260 * XXX: some controllers erroneously return the error code 1, 2 or 3 1261 * when it has a perfectly functional aux port. We have to ignore 1262 * this error code. Even if the controller HAS error with the aux 1263 * port, it will be detected later... 1264 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1265 */ 1266 switch ((i = test_aux_port(sc->kbdc))) { 1267 case 1: /* ignore these errors */ 1268 case 2: 1269 case 3: 1270 case PSM_ACK: 1271 if (verbose) 1272 printf("psm%d: strange result for test aux port " 1273 "(%d).\n", unit, i); 1274 /* FALLTHROUGH */ 1275 case 0: /* no error */ 1276 break; 1277 case -1: /* time out */ 1278 default: /* error */ 1279 recover_from_error(sc->kbdc); 1280 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1281 break; 1282 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1283 restore_controller(sc->kbdc, command_byte); 1284 if (verbose) 1285 printf("psm%d: the aux port is not functioning (%d).\n", 1286 unit, i); 1287 endprobe(ENXIO); 1288 } 1289 1290 if (sc->config & PSM_CONFIG_NORESET) { 1291 /* 1292 * Don't try to reset the pointing device. It may possibly be 1293 * left in an unknown state, though... 1294 */ 1295 } else { 1296 /* 1297 * NOTE: some controllers appears to hang the `keyboard' when 1298 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1299 * 1300 * Attempt to reset the controller twice -- this helps 1301 * pierce through some KVM switches. The second reset 1302 * is non-fatal. 1303 */ 1304 if (!reset_aux_dev(sc->kbdc)) { 1305 recover_from_error(sc->kbdc); 1306 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1307 restore_controller(sc->kbdc, command_byte); 1308 if (verbose) 1309 printf("psm%d: failed to reset the aux " 1310 "device.\n", unit); 1311 endprobe(ENXIO); 1312 } else if (!reset_aux_dev(sc->kbdc)) { 1313 recover_from_error(sc->kbdc); 1314 if (verbose >= 2) 1315 printf("psm%d: failed to reset the aux device " 1316 "(2).\n", unit); 1317 } 1318 } 1319 1320 /* 1321 * both the aux port and the aux device are functioning, see if the 1322 * device can be enabled. NOTE: when enabled, the device will start 1323 * sending data; we shall immediately disable the device once we know 1324 * the device can be enabled. 1325 */ 1326 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1327 /* MOUSE ERROR */ 1328 recover_from_error(sc->kbdc); 1329 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1330 restore_controller(sc->kbdc, command_byte); 1331 if (verbose) 1332 printf("psm%d: failed to enable the aux device.\n", 1333 unit); 1334 endprobe(ENXIO); 1335 } 1336 1337 /* save the default values after reset */ 1338 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1339 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1340 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1341 } else { 1342 sc->dflt_mode.rate = sc->mode.rate = -1; 1343 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1344 } 1345 1346 /* hardware information */ 1347 sc->hw.iftype = MOUSE_IF_PS2; 1348 1349 /* verify the device is a mouse */ 1350 sc->hw.hwid = get_aux_id(sc->kbdc); 1351 if (!is_a_mouse(sc->hw.hwid)) { 1352 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1353 restore_controller(sc->kbdc, command_byte); 1354 if (verbose) 1355 printf("psm%d: unknown device type (%d).\n", unit, 1356 sc->hw.hwid); 1357 endprobe(ENXIO); 1358 } 1359 switch (sc->hw.hwid) { 1360 case PSM_BALLPOINT_ID: 1361 sc->hw.type = MOUSE_TRACKBALL; 1362 break; 1363 case PSM_MOUSE_ID: 1364 case PSM_INTELLI_ID: 1365 case PSM_EXPLORER_ID: 1366 case PSM_4DMOUSE_ID: 1367 case PSM_4DPLUS_ID: 1368 sc->hw.type = MOUSE_MOUSE; 1369 break; 1370 default: 1371 sc->hw.type = MOUSE_UNKNOWN; 1372 break; 1373 } 1374 1375 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1376 sc->hw.buttons = 2; 1377 i = GENERIC_MOUSE_ENTRY; 1378 } else { 1379 /* # of buttons */ 1380 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1381 1382 /* other parameters */ 1383 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1384 if ((*vendortype[i].probefunc)(sc, PROBE)) { 1385 if (verbose >= 2) 1386 printf("psm%d: found %s\n", unit, 1387 model_name(vendortype[i].model)); 1388 break; 1389 } 1390 } 1391 1392 sc->hw.model = vendortype[i].model; 1393 1394 sc->dflt_mode.level = PSM_LEVEL_BASE; 1395 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1396 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1397 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1398 sc->dflt_mode.syncmask[0] = 0; 1399 else 1400 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1401 if (sc->config & PSM_CONFIG_FORCETAP) 1402 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1403 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1404 sc->mode = sc->dflt_mode; 1405 sc->mode.packetsize = vendortype[i].packetsize; 1406 1407 /* set mouse parameters */ 1408 #if 0 1409 /* 1410 * A version of Logitech FirstMouse+ won't report wheel movement, 1411 * if SET_DEFAULTS is sent... Don't use this command. 1412 * This fix was found by Takashi Nishida. 1413 */ 1414 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1415 if (verbose >= 2) 1416 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1417 #endif 1418 if (sc->config & PSM_CONFIG_RESOLUTION) 1419 sc->mode.resolution = 1420 set_mouse_resolution(sc->kbdc, 1421 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1422 else if (sc->mode.resolution >= 0) 1423 sc->mode.resolution = 1424 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1425 if (sc->mode.rate > 0) 1426 sc->mode.rate = 1427 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1428 set_mouse_scaling(sc->kbdc, 1); 1429 1430 /* Record sync on the next data packet we see. */ 1431 sc->flags |= PSM_NEED_SYNCBITS; 1432 1433 /* just check the status of the mouse */ 1434 /* 1435 * NOTE: XXX there are some arcane controller/mouse combinations out 1436 * there, which hung the controller unless there is data transmission 1437 * after ACK from the mouse. 1438 */ 1439 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1440 printf("psm%d: failed to get status.\n", unit); 1441 else { 1442 /* 1443 * When in its native mode, some mice operate with different 1444 * default parameters than in the PS/2 compatible mode. 1445 */ 1446 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1447 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1448 } 1449 1450 /* disable the aux port for now... */ 1451 if (!set_controller_command_byte(sc->kbdc, 1452 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1453 (command_byte & KBD_KBD_CONTROL_BITS) | 1454 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1455 /* 1456 * this is CONTROLLER ERROR; I don't know the proper way to 1457 * recover from this error... 1458 */ 1459 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1460 restore_controller(sc->kbdc, command_byte); 1461 printf("psm%d: unable to set the command byte.\n", unit); 1462 endprobe(ENXIO); 1463 } 1464 1465 /* done */ 1466 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1467 kbdc_lock(sc->kbdc, FALSE); 1468 return (0); 1469 } 1470 1471 static int 1472 psmattach(device_t dev) 1473 { 1474 int unit = device_get_unit(dev); 1475 struct psm_softc *sc = device_get_softc(dev); 1476 int error; 1477 int rid; 1478 1479 /* Setup initial state */ 1480 sc->state = PSM_VALID; 1481 callout_init(&sc->callout, 0); 1482 callout_init(&sc->softcallout, 0); 1483 1484 /* Setup our interrupt handler */ 1485 rid = KBDC_RID_AUX; 1486 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1487 if (sc->intr == NULL) 1488 return (ENXIO); 1489 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1490 &sc->ih); 1491 if (error) { 1492 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1493 return (error); 1494 } 1495 1496 /* Done */ 1497 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1498 sc->dev->si_drv1 = sc; 1499 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1500 sc->bdev->si_drv1 = sc; 1501 1502 /* Some touchpad devices need full reinitialization after suspend. */ 1503 switch (sc->hw.model) { 1504 case MOUSE_MODEL_SYNAPTICS: 1505 case MOUSE_MODEL_GLIDEPOINT: 1506 case MOUSE_MODEL_VERSAPAD: 1507 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1508 break; 1509 default: 1510 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 1511 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1512 break; 1513 } 1514 1515 if (!verbose) 1516 printf("psm%d: model %s, device ID %d\n", 1517 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1518 else { 1519 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1520 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1521 sc->hw.hwid >> 8, sc->hw.buttons); 1522 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1523 unit, sc->config, sc->flags, sc->mode.packetsize); 1524 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1525 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1526 } 1527 1528 if (bootverbose) 1529 --verbose; 1530 1531 return (0); 1532 } 1533 1534 static int 1535 psmdetach(device_t dev) 1536 { 1537 struct psm_softc *sc; 1538 int rid; 1539 1540 sc = device_get_softc(dev); 1541 if (sc->state & PSM_OPEN) 1542 return (EBUSY); 1543 1544 rid = KBDC_RID_AUX; 1545 bus_teardown_intr(dev, sc->intr, sc->ih); 1546 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1547 1548 destroy_dev(sc->dev); 1549 destroy_dev(sc->bdev); 1550 1551 callout_drain(&sc->callout); 1552 callout_drain(&sc->softcallout); 1553 1554 return (0); 1555 } 1556 1557 static int 1558 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1559 { 1560 struct psm_softc *sc; 1561 int command_byte; 1562 int err; 1563 int s; 1564 1565 /* Get device data */ 1566 sc = dev->si_drv1; 1567 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1568 /* the device is no longer valid/functioning */ 1569 return (ENXIO); 1570 } 1571 1572 /* Disallow multiple opens */ 1573 if (sc->state & PSM_OPEN) 1574 return (EBUSY); 1575 1576 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1577 1578 /* Initialize state */ 1579 sc->mode.level = sc->dflt_mode.level; 1580 sc->mode.protocol = sc->dflt_mode.protocol; 1581 sc->watchdog = FALSE; 1582 sc->async = NULL; 1583 1584 /* flush the event queue */ 1585 sc->queue.count = 0; 1586 sc->queue.head = 0; 1587 sc->queue.tail = 0; 1588 sc->status.flags = 0; 1589 sc->status.button = 0; 1590 sc->status.obutton = 0; 1591 sc->status.dx = 0; 1592 sc->status.dy = 0; 1593 sc->status.dz = 0; 1594 sc->button = 0; 1595 sc->pqueue_start = 0; 1596 sc->pqueue_end = 0; 1597 1598 /* empty input buffer */ 1599 flushpackets(sc); 1600 sc->syncerrors = 0; 1601 sc->pkterrors = 0; 1602 1603 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1604 if (!kbdc_lock(sc->kbdc, TRUE)) 1605 return (EIO); 1606 1607 /* save the current controller command byte */ 1608 s = spltty(); 1609 command_byte = get_controller_command_byte(sc->kbdc); 1610 1611 /* enable the aux port and temporalily disable the keyboard */ 1612 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1613 kbdc_get_device_mask(sc->kbdc), 1614 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1615 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1616 /* CONTROLLER ERROR; do you know how to get out of this? */ 1617 kbdc_lock(sc->kbdc, FALSE); 1618 splx(s); 1619 log(LOG_ERR, 1620 "psm%d: unable to set the command byte (psmopen).\n", 1621 sc->unit); 1622 return (EIO); 1623 } 1624 /* 1625 * Now that the keyboard controller is told not to generate 1626 * the keyboard and mouse interrupts, call `splx()' to allow 1627 * the other tty interrupts. The clock interrupt may also occur, 1628 * but timeout routines will be blocked by the poll flag set 1629 * via `kbdc_lock()' 1630 */ 1631 splx(s); 1632 1633 /* enable the mouse device */ 1634 err = doopen(sc, command_byte); 1635 1636 /* done */ 1637 if (err == 0) 1638 sc->state |= PSM_OPEN; 1639 kbdc_lock(sc->kbdc, FALSE); 1640 return (err); 1641 } 1642 1643 static int 1644 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1645 { 1646 struct psm_softc *sc = dev->si_drv1; 1647 int stat[3]; 1648 int command_byte; 1649 int s; 1650 1651 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1652 if (!kbdc_lock(sc->kbdc, TRUE)) 1653 return (EIO); 1654 1655 /* save the current controller command byte */ 1656 s = spltty(); 1657 command_byte = get_controller_command_byte(sc->kbdc); 1658 if (command_byte == -1) { 1659 kbdc_lock(sc->kbdc, FALSE); 1660 splx(s); 1661 return (EIO); 1662 } 1663 1664 /* disable the aux interrupt and temporalily disable the keyboard */ 1665 if (!set_controller_command_byte(sc->kbdc, 1666 kbdc_get_device_mask(sc->kbdc), 1667 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1668 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1669 log(LOG_ERR, 1670 "psm%d: failed to disable the aux int (psmclose).\n", 1671 sc->unit); 1672 /* CONTROLLER ERROR; 1673 * NOTE: we shall force our way through. Because the only 1674 * ill effect we shall see is that we may not be able 1675 * to read ACK from the mouse, and it doesn't matter much 1676 * so long as the mouse will accept the DISABLE command. 1677 */ 1678 } 1679 splx(s); 1680 1681 /* stop the watchdog timer */ 1682 callout_stop(&sc->callout); 1683 1684 /* remove anything left in the output buffer */ 1685 empty_aux_buffer(sc->kbdc, 10); 1686 1687 /* disable the aux device, port and interrupt */ 1688 if (sc->state & PSM_VALID) { 1689 if (!disable_aux_dev(sc->kbdc)) { 1690 /* MOUSE ERROR; 1691 * NOTE: we don't return (error) and continue, 1692 * pretending we have successfully disabled the device. 1693 * It's OK because the interrupt routine will discard 1694 * any data from the mouse hereafter. 1695 */ 1696 log(LOG_ERR, 1697 "psm%d: failed to disable the device (psmclose).\n", 1698 sc->unit); 1699 } 1700 1701 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1702 log(LOG_DEBUG, 1703 "psm%d: failed to get status (psmclose).\n", 1704 sc->unit); 1705 } 1706 1707 if (!set_controller_command_byte(sc->kbdc, 1708 kbdc_get_device_mask(sc->kbdc), 1709 (command_byte & KBD_KBD_CONTROL_BITS) | 1710 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1711 /* 1712 * CONTROLLER ERROR; 1713 * we shall ignore this error; see the above comment. 1714 */ 1715 log(LOG_ERR, 1716 "psm%d: failed to disable the aux port (psmclose).\n", 1717 sc->unit); 1718 } 1719 1720 /* remove anything left in the output buffer */ 1721 empty_aux_buffer(sc->kbdc, 10); 1722 1723 /* clean up and sigio requests */ 1724 if (sc->async != NULL) { 1725 funsetown(&sc->async); 1726 sc->async = NULL; 1727 } 1728 1729 /* close is almost always successful */ 1730 sc->state &= ~PSM_OPEN; 1731 kbdc_lock(sc->kbdc, FALSE); 1732 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1733 return (0); 1734 } 1735 1736 static int 1737 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1738 u_char *buf) 1739 { 1740 static u_char butmapps2[8] = { 1741 0, 1742 MOUSE_PS2_BUTTON1DOWN, 1743 MOUSE_PS2_BUTTON2DOWN, 1744 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1745 MOUSE_PS2_BUTTON3DOWN, 1746 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1747 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1748 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1749 MOUSE_PS2_BUTTON3DOWN, 1750 }; 1751 static u_char butmapmsc[8] = { 1752 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1753 MOUSE_MSC_BUTTON3UP, 1754 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1755 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1756 MOUSE_MSC_BUTTON3UP, 1757 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1758 MOUSE_MSC_BUTTON2UP, 1759 MOUSE_MSC_BUTTON1UP, 1760 0, 1761 }; 1762 int mapped; 1763 int i; 1764 1765 if (sc->mode.level == PSM_LEVEL_BASE) { 1766 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1767 if (status->button & MOUSE_BUTTON4DOWN) 1768 mapped |= MOUSE_BUTTON1DOWN; 1769 status->button = mapped; 1770 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1771 i = imax(imin(status->dx, 255), -256); 1772 if (i < 0) 1773 buf[0] |= MOUSE_PS2_XNEG; 1774 buf[1] = i; 1775 i = imax(imin(status->dy, 255), -256); 1776 if (i < 0) 1777 buf[0] |= MOUSE_PS2_YNEG; 1778 buf[2] = i; 1779 return (MOUSE_PS2_PACKETSIZE); 1780 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1781 buf[0] = MOUSE_MSC_SYNC | 1782 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1783 i = imax(imin(status->dx, 255), -256); 1784 buf[1] = i >> 1; 1785 buf[3] = i - buf[1]; 1786 i = imax(imin(status->dy, 255), -256); 1787 buf[2] = i >> 1; 1788 buf[4] = i - buf[2]; 1789 i = imax(imin(status->dz, 127), -128); 1790 buf[5] = (i >> 1) & 0x7f; 1791 buf[6] = (i - (i >> 1)) & 0x7f; 1792 buf[7] = (~status->button >> 3) & 0x7f; 1793 return (MOUSE_SYS_PACKETSIZE); 1794 } 1795 return (pb->inputbytes); 1796 } 1797 1798 static int 1799 psmread(struct cdev *dev, struct uio *uio, int flag) 1800 { 1801 struct psm_softc *sc = dev->si_drv1; 1802 u_char buf[PSM_SMALLBUFSIZE]; 1803 int error = 0; 1804 int s; 1805 int l; 1806 1807 if ((sc->state & PSM_VALID) == 0) 1808 return (EIO); 1809 1810 /* block until mouse activity occurred */ 1811 s = spltty(); 1812 while (sc->queue.count <= 0) { 1813 if (dev != sc->bdev) { 1814 splx(s); 1815 return (EWOULDBLOCK); 1816 } 1817 sc->state |= PSM_ASLP; 1818 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1819 sc->state &= ~PSM_ASLP; 1820 if (error) { 1821 splx(s); 1822 return (error); 1823 } else if ((sc->state & PSM_VALID) == 0) { 1824 /* the device disappeared! */ 1825 splx(s); 1826 return (EIO); 1827 } 1828 } 1829 splx(s); 1830 1831 /* copy data to the user land */ 1832 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1833 s = spltty(); 1834 l = imin(sc->queue.count, uio->uio_resid); 1835 if (l > sizeof(buf)) 1836 l = sizeof(buf); 1837 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1838 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1839 sizeof(sc->queue.buf) - sc->queue.head); 1840 bcopy(&sc->queue.buf[0], 1841 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1842 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1843 } else 1844 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1845 sc->queue.count -= l; 1846 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1847 splx(s); 1848 error = uiomove(buf, l, uio); 1849 if (error) 1850 break; 1851 } 1852 1853 return (error); 1854 } 1855 1856 static int 1857 block_mouse_data(struct psm_softc *sc, int *c) 1858 { 1859 int s; 1860 1861 if (!kbdc_lock(sc->kbdc, TRUE)) 1862 return (EIO); 1863 1864 s = spltty(); 1865 *c = get_controller_command_byte(sc->kbdc); 1866 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1867 kbdc_get_device_mask(sc->kbdc), 1868 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1869 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1870 /* this is CONTROLLER ERROR */ 1871 splx(s); 1872 kbdc_lock(sc->kbdc, FALSE); 1873 return (EIO); 1874 } 1875 1876 /* 1877 * The device may be in the middle of status data transmission. 1878 * The transmission will be interrupted, thus, incomplete status 1879 * data must be discarded. Although the aux interrupt is disabled 1880 * at the keyboard controller level, at most one aux interrupt 1881 * may have already been pending and a data byte is in the 1882 * output buffer; throw it away. Note that the second argument 1883 * to `empty_aux_buffer()' is zero, so that the call will just 1884 * flush the internal queue. 1885 * `psmintr()' will be invoked after `splx()' if an interrupt is 1886 * pending; it will see no data and returns immediately. 1887 */ 1888 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1889 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1890 flushpackets(sc); 1891 splx(s); 1892 1893 return (0); 1894 } 1895 1896 static void 1897 dropqueue(struct psm_softc *sc) 1898 { 1899 1900 sc->queue.count = 0; 1901 sc->queue.head = 0; 1902 sc->queue.tail = 0; 1903 if ((sc->state & PSM_SOFTARMED) != 0) { 1904 sc->state &= ~PSM_SOFTARMED; 1905 callout_stop(&sc->softcallout); 1906 } 1907 sc->pqueue_start = sc->pqueue_end; 1908 } 1909 1910 static void 1911 flushpackets(struct psm_softc *sc) 1912 { 1913 1914 dropqueue(sc); 1915 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1916 } 1917 1918 static int 1919 unblock_mouse_data(struct psm_softc *sc, int c) 1920 { 1921 int error = 0; 1922 1923 /* 1924 * We may have seen a part of status data during `set_mouse_XXX()'. 1925 * they have been queued; flush it. 1926 */ 1927 empty_aux_buffer(sc->kbdc, 0); 1928 1929 /* restore ports and interrupt */ 1930 if (!set_controller_command_byte(sc->kbdc, 1931 kbdc_get_device_mask(sc->kbdc), 1932 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1933 /* 1934 * CONTROLLER ERROR; this is serious, we may have 1935 * been left with the inaccessible keyboard and 1936 * the disabled mouse interrupt. 1937 */ 1938 error = EIO; 1939 } 1940 1941 kbdc_lock(sc->kbdc, FALSE); 1942 return (error); 1943 } 1944 1945 static int 1946 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1947 { 1948 struct psm_softc *sc = dev->si_drv1; 1949 u_char buf[PSM_SMALLBUFSIZE]; 1950 int error = 0, i, l; 1951 1952 if ((sc->state & PSM_VALID) == 0) 1953 return (EIO); 1954 1955 if (sc->mode.level < PSM_LEVEL_NATIVE) 1956 return (ENODEV); 1957 1958 /* copy data from the user land */ 1959 while (uio->uio_resid > 0) { 1960 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1961 error = uiomove(buf, l, uio); 1962 if (error) 1963 break; 1964 for (i = 0; i < l; i++) { 1965 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1966 if (!write_aux_command(sc->kbdc, buf[i])) { 1967 VLOG(2, (LOG_DEBUG, 1968 "psm: cmd 0x%x failed.\n", buf[i])); 1969 return (reinitialize(sc, FALSE)); 1970 } 1971 } 1972 } 1973 1974 return (error); 1975 } 1976 1977 static int 1978 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1979 struct thread *td) 1980 { 1981 struct psm_softc *sc = dev->si_drv1; 1982 mousemode_t mode; 1983 mousestatus_t status; 1984 #if (defined(MOUSE_GETVARS)) 1985 mousevar_t *var; 1986 #endif 1987 mousedata_t *data; 1988 int stat[3]; 1989 int command_byte; 1990 int error = 0; 1991 int s; 1992 1993 /* Perform IOCTL command */ 1994 switch (cmd) { 1995 1996 case OLD_MOUSE_GETHWINFO: 1997 s = spltty(); 1998 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1999 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2000 ((old_mousehw_t *)addr)->type = sc->hw.type; 2001 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2002 splx(s); 2003 break; 2004 2005 case MOUSE_GETHWINFO: 2006 s = spltty(); 2007 *(mousehw_t *)addr = sc->hw; 2008 if (sc->mode.level == PSM_LEVEL_BASE) 2009 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2010 splx(s); 2011 break; 2012 2013 case MOUSE_SYN_GETHWINFO: 2014 s = spltty(); 2015 if (sc->synhw.infoMajor >= 4) 2016 *(synapticshw_t *)addr = sc->synhw; 2017 else 2018 error = EINVAL; 2019 splx(s); 2020 break; 2021 2022 case OLD_MOUSE_GETMODE: 2023 s = spltty(); 2024 switch (sc->mode.level) { 2025 case PSM_LEVEL_BASE: 2026 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2027 break; 2028 case PSM_LEVEL_STANDARD: 2029 ((old_mousemode_t *)addr)->protocol = 2030 MOUSE_PROTO_SYSMOUSE; 2031 break; 2032 case PSM_LEVEL_NATIVE: 2033 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2034 break; 2035 } 2036 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2037 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2038 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2039 splx(s); 2040 break; 2041 2042 case MOUSE_GETMODE: 2043 s = spltty(); 2044 *(mousemode_t *)addr = sc->mode; 2045 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2046 ((mousemode_t *)addr)->syncmask[0] = 0; 2047 ((mousemode_t *)addr)->syncmask[1] = 0; 2048 } 2049 ((mousemode_t *)addr)->resolution = 2050 MOUSE_RES_LOW - sc->mode.resolution; 2051 switch (sc->mode.level) { 2052 case PSM_LEVEL_BASE: 2053 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2054 ((mousemode_t *)addr)->packetsize = 2055 MOUSE_PS2_PACKETSIZE; 2056 break; 2057 case PSM_LEVEL_STANDARD: 2058 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2059 ((mousemode_t *)addr)->packetsize = 2060 MOUSE_SYS_PACKETSIZE; 2061 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2062 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2063 break; 2064 case PSM_LEVEL_NATIVE: 2065 /* FIXME: this isn't quite correct... XXX */ 2066 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2067 break; 2068 } 2069 splx(s); 2070 break; 2071 2072 case OLD_MOUSE_SETMODE: 2073 case MOUSE_SETMODE: 2074 if (cmd == OLD_MOUSE_SETMODE) { 2075 mode.rate = ((old_mousemode_t *)addr)->rate; 2076 /* 2077 * resolution old I/F new I/F 2078 * default 0 0 2079 * low 1 -2 2080 * medium low 2 -3 2081 * medium high 3 -4 2082 * high 4 -5 2083 */ 2084 if (((old_mousemode_t *)addr)->resolution > 0) 2085 mode.resolution = 2086 -((old_mousemode_t *)addr)->resolution - 1; 2087 else 2088 mode.resolution = 0; 2089 mode.accelfactor = 2090 ((old_mousemode_t *)addr)->accelfactor; 2091 mode.level = -1; 2092 } else 2093 mode = *(mousemode_t *)addr; 2094 2095 /* adjust and validate parameters. */ 2096 if (mode.rate > UCHAR_MAX) 2097 return (EINVAL); 2098 if (mode.rate == 0) 2099 mode.rate = sc->dflt_mode.rate; 2100 else if (mode.rate == -1) 2101 /* don't change the current setting */ 2102 ; 2103 else if (mode.rate < 0) 2104 return (EINVAL); 2105 if (mode.resolution >= UCHAR_MAX) 2106 return (EINVAL); 2107 if (mode.resolution >= 200) 2108 mode.resolution = MOUSE_RES_HIGH; 2109 else if (mode.resolution >= 100) 2110 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2111 else if (mode.resolution >= 50) 2112 mode.resolution = MOUSE_RES_MEDIUMLOW; 2113 else if (mode.resolution > 0) 2114 mode.resolution = MOUSE_RES_LOW; 2115 if (mode.resolution == MOUSE_RES_DEFAULT) 2116 mode.resolution = sc->dflt_mode.resolution; 2117 else if (mode.resolution == -1) 2118 /* don't change the current setting */ 2119 ; 2120 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2121 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2122 if (mode.level == -1) 2123 /* don't change the current setting */ 2124 mode.level = sc->mode.level; 2125 else if ((mode.level < PSM_LEVEL_MIN) || 2126 (mode.level > PSM_LEVEL_MAX)) 2127 return (EINVAL); 2128 if (mode.accelfactor == -1) 2129 /* don't change the current setting */ 2130 mode.accelfactor = sc->mode.accelfactor; 2131 else if (mode.accelfactor < 0) 2132 return (EINVAL); 2133 2134 /* don't allow anybody to poll the keyboard controller */ 2135 error = block_mouse_data(sc, &command_byte); 2136 if (error) 2137 return (error); 2138 2139 /* set mouse parameters */ 2140 if (mode.rate > 0) 2141 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2142 mode.rate); 2143 if (mode.resolution >= 0) 2144 mode.resolution = 2145 set_mouse_resolution(sc->kbdc, mode.resolution); 2146 set_mouse_scaling(sc->kbdc, 1); 2147 get_mouse_status(sc->kbdc, stat, 0, 3); 2148 2149 s = spltty(); 2150 sc->mode.rate = mode.rate; 2151 sc->mode.resolution = mode.resolution; 2152 sc->mode.accelfactor = mode.accelfactor; 2153 sc->mode.level = mode.level; 2154 splx(s); 2155 2156 unblock_mouse_data(sc, command_byte); 2157 break; 2158 2159 case MOUSE_GETLEVEL: 2160 *(int *)addr = sc->mode.level; 2161 break; 2162 2163 case MOUSE_SETLEVEL: 2164 if ((*(int *)addr < PSM_LEVEL_MIN) || 2165 (*(int *)addr > PSM_LEVEL_MAX)) 2166 return (EINVAL); 2167 sc->mode.level = *(int *)addr; 2168 2169 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 2170 /* 2171 * If we are entering PSM_LEVEL_NATIVE, we want to 2172 * enable sending of "extended W mode" packets to 2173 * userland. Reset the mode of the touchpad so that the 2174 * change in the level is picked up. 2175 */ 2176 error = block_mouse_data(sc, &command_byte); 2177 if (error) 2178 return (error); 2179 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 2180 unblock_mouse_data(sc, command_byte); 2181 } 2182 break; 2183 2184 case MOUSE_GETSTATUS: 2185 s = spltty(); 2186 status = sc->status; 2187 sc->status.flags = 0; 2188 sc->status.obutton = sc->status.button; 2189 sc->status.button = 0; 2190 sc->status.dx = 0; 2191 sc->status.dy = 0; 2192 sc->status.dz = 0; 2193 splx(s); 2194 *(mousestatus_t *)addr = status; 2195 break; 2196 2197 #if (defined(MOUSE_GETVARS)) 2198 case MOUSE_GETVARS: 2199 var = (mousevar_t *)addr; 2200 bzero(var, sizeof(*var)); 2201 s = spltty(); 2202 var->var[0] = MOUSE_VARS_PS2_SIG; 2203 var->var[1] = sc->config; 2204 var->var[2] = sc->flags; 2205 splx(s); 2206 break; 2207 2208 case MOUSE_SETVARS: 2209 return (ENODEV); 2210 #endif /* MOUSE_GETVARS */ 2211 2212 case MOUSE_READSTATE: 2213 case MOUSE_READDATA: 2214 data = (mousedata_t *)addr; 2215 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2216 return (EINVAL); 2217 2218 error = block_mouse_data(sc, &command_byte); 2219 if (error) 2220 return (error); 2221 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2222 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2223 error = EIO; 2224 unblock_mouse_data(sc, command_byte); 2225 break; 2226 2227 #if (defined(MOUSE_SETRESOLUTION)) 2228 case MOUSE_SETRESOLUTION: 2229 mode.resolution = *(int *)addr; 2230 if (mode.resolution >= UCHAR_MAX) 2231 return (EINVAL); 2232 else if (mode.resolution >= 200) 2233 mode.resolution = MOUSE_RES_HIGH; 2234 else if (mode.resolution >= 100) 2235 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2236 else if (mode.resolution >= 50) 2237 mode.resolution = MOUSE_RES_MEDIUMLOW; 2238 else if (mode.resolution > 0) 2239 mode.resolution = MOUSE_RES_LOW; 2240 if (mode.resolution == MOUSE_RES_DEFAULT) 2241 mode.resolution = sc->dflt_mode.resolution; 2242 else if (mode.resolution == -1) 2243 mode.resolution = sc->mode.resolution; 2244 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2245 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2246 2247 error = block_mouse_data(sc, &command_byte); 2248 if (error) 2249 return (error); 2250 sc->mode.resolution = 2251 set_mouse_resolution(sc->kbdc, mode.resolution); 2252 if (sc->mode.resolution != mode.resolution) 2253 error = EIO; 2254 unblock_mouse_data(sc, command_byte); 2255 break; 2256 #endif /* MOUSE_SETRESOLUTION */ 2257 2258 #if (defined(MOUSE_SETRATE)) 2259 case MOUSE_SETRATE: 2260 mode.rate = *(int *)addr; 2261 if (mode.rate > UCHAR_MAX) 2262 return (EINVAL); 2263 if (mode.rate == 0) 2264 mode.rate = sc->dflt_mode.rate; 2265 else if (mode.rate < 0) 2266 mode.rate = sc->mode.rate; 2267 2268 error = block_mouse_data(sc, &command_byte); 2269 if (error) 2270 return (error); 2271 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2272 if (sc->mode.rate != mode.rate) 2273 error = EIO; 2274 unblock_mouse_data(sc, command_byte); 2275 break; 2276 #endif /* MOUSE_SETRATE */ 2277 2278 #if (defined(MOUSE_SETSCALING)) 2279 case MOUSE_SETSCALING: 2280 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2281 return (EINVAL); 2282 2283 error = block_mouse_data(sc, &command_byte); 2284 if (error) 2285 return (error); 2286 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2287 error = EIO; 2288 unblock_mouse_data(sc, command_byte); 2289 break; 2290 #endif /* MOUSE_SETSCALING */ 2291 2292 #if (defined(MOUSE_GETHWID)) 2293 case MOUSE_GETHWID: 2294 error = block_mouse_data(sc, &command_byte); 2295 if (error) 2296 return (error); 2297 sc->hw.hwid &= ~0x00ff; 2298 sc->hw.hwid |= get_aux_id(sc->kbdc); 2299 *(int *)addr = sc->hw.hwid & 0x00ff; 2300 unblock_mouse_data(sc, command_byte); 2301 break; 2302 #endif /* MOUSE_GETHWID */ 2303 2304 case FIONBIO: 2305 case FIOASYNC: 2306 break; 2307 case FIOSETOWN: 2308 error = fsetown(*(int *)addr, &sc->async); 2309 break; 2310 case FIOGETOWN: 2311 *(int *) addr = fgetown(&sc->async); 2312 break; 2313 default: 2314 return (ENOTTY); 2315 } 2316 2317 return (error); 2318 } 2319 2320 static void 2321 psmtimeout(void *arg) 2322 { 2323 struct psm_softc *sc; 2324 int s; 2325 2326 sc = (struct psm_softc *)arg; 2327 s = spltty(); 2328 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2329 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2330 psmintr(sc); 2331 kbdc_lock(sc->kbdc, FALSE); 2332 } 2333 sc->watchdog = TRUE; 2334 splx(s); 2335 callout_reset(&sc->callout, hz, psmtimeout, sc); 2336 } 2337 2338 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2339 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2340 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2341 2342 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2343 "Verbosity level"); 2344 2345 static int psmhz = 20; 2346 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2347 "Frequency of the softcallout (in hz)"); 2348 static int psmerrsecs = 2; 2349 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2350 "Number of seconds during which packets will dropped after a sync error"); 2351 static int psmerrusecs = 0; 2352 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2353 "Microseconds to add to psmerrsecs"); 2354 static int psmsecs = 0; 2355 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2356 "Max number of seconds between soft interrupts"); 2357 static int psmusecs = 500000; 2358 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2359 "Microseconds to add to psmsecs"); 2360 static int pkterrthresh = 2; 2361 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2362 "Number of error packets allowed before reinitializing the mouse"); 2363 2364 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2365 "Enable tap and drag gestures"); 2366 static int tap_threshold = PSM_TAP_THRESHOLD; 2367 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2368 "Button tap threshold"); 2369 static int tap_timeout = PSM_TAP_TIMEOUT; 2370 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2371 "Tap timeout for touchpads"); 2372 2373 static void 2374 psmintr(void *arg) 2375 { 2376 struct psm_softc *sc = arg; 2377 struct timeval now; 2378 int c; 2379 packetbuf_t *pb; 2380 2381 2382 /* read until there is nothing to read */ 2383 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2384 pb = &sc->pqueue[sc->pqueue_end]; 2385 2386 /* discard the byte if the device is not open */ 2387 if ((sc->state & PSM_OPEN) == 0) 2388 continue; 2389 2390 getmicrouptime(&now); 2391 if ((pb->inputbytes > 0) && 2392 timevalcmp(&now, &sc->inputtimeout, >)) { 2393 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2394 "resetting byte count\n")); 2395 pb->inputbytes = 0; 2396 sc->syncerrors = 0; 2397 sc->pkterrors = 0; 2398 } 2399 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2400 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2401 timevaladd(&sc->inputtimeout, &now); 2402 2403 pb->ipacket[pb->inputbytes++] = c; 2404 2405 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2406 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2407 sc->syncerrors = 0; 2408 sc->pkterrors = 0; 2409 goto next; 2410 } else { 2411 if (pb->inputbytes < sc->mode.packetsize) 2412 continue; 2413 2414 VLOG(4, (LOG_DEBUG, 2415 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2416 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2417 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2418 } 2419 2420 c = pb->ipacket[0]; 2421 2422 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2423 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2424 sc->flags &= ~PSM_NEED_SYNCBITS; 2425 VLOG(2, (LOG_DEBUG, 2426 "psmintr: Sync bytes now %04x,%04x\n", 2427 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2428 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2429 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2430 "(%04x != %04x) %d cmds since last error.\n", 2431 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2432 sc->cmdcount - sc->lasterr)); 2433 sc->lasterr = sc->cmdcount; 2434 /* 2435 * The sync byte test is a weak measure of packet 2436 * validity. Conservatively discard any input yet 2437 * to be seen by userland when we detect a sync 2438 * error since there is a good chance some of 2439 * the queued packets have undetected errors. 2440 */ 2441 dropqueue(sc); 2442 if (sc->syncerrors == 0) 2443 sc->pkterrors++; 2444 ++sc->syncerrors; 2445 sc->lastinputerr = now; 2446 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2447 sc->pkterrors >= pkterrthresh) { 2448 /* 2449 * If we've failed to find a single sync byte 2450 * in 2 packets worth of data, or we've seen 2451 * persistent packet errors during the 2452 * validation period, reinitialize the mouse 2453 * in hopes of returning it to the expected 2454 * mode. 2455 */ 2456 VLOG(3, (LOG_DEBUG, 2457 "psmintr: reset the mouse.\n")); 2458 reinitialize(sc, TRUE); 2459 } else if (sc->syncerrors == sc->mode.packetsize) { 2460 /* 2461 * Try a soft reset after searching for a sync 2462 * byte through a packet length of bytes. 2463 */ 2464 VLOG(3, (LOG_DEBUG, 2465 "psmintr: re-enable the mouse.\n")); 2466 pb->inputbytes = 0; 2467 disable_aux_dev(sc->kbdc); 2468 enable_aux_dev(sc->kbdc); 2469 } else { 2470 VLOG(3, (LOG_DEBUG, 2471 "psmintr: discard a byte (%d)\n", 2472 sc->syncerrors)); 2473 pb->inputbytes--; 2474 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2475 pb->inputbytes); 2476 } 2477 continue; 2478 } 2479 2480 /* 2481 * We have what appears to be a valid packet. 2482 * Reset the error counters. 2483 */ 2484 sc->syncerrors = 0; 2485 2486 /* 2487 * Drop even good packets if they occur within a timeout 2488 * period of a sync error. This allows the detection of 2489 * a change in the mouse's packet mode without exposing 2490 * erratic mouse behavior to the user. Some KVMs forget 2491 * enhanced mouse modes during switch events. 2492 */ 2493 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2494 &now)) { 2495 pb->inputbytes = 0; 2496 continue; 2497 } 2498 2499 /* 2500 * Now that we're out of the validation period, reset 2501 * the packet error count. 2502 */ 2503 sc->pkterrors = 0; 2504 2505 sc->cmdcount++; 2506 next: 2507 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2508 sc->pqueue_end = 0; 2509 /* 2510 * If we've filled the queue then call the softintr ourselves, 2511 * otherwise schedule the interrupt for later. 2512 */ 2513 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2514 (sc->pqueue_end == sc->pqueue_start)) { 2515 if ((sc->state & PSM_SOFTARMED) != 0) { 2516 sc->state &= ~PSM_SOFTARMED; 2517 callout_stop(&sc->softcallout); 2518 } 2519 psmsoftintr(arg); 2520 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2521 sc->state |= PSM_SOFTARMED; 2522 callout_reset(&sc->softcallout, 2523 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 2524 } 2525 } 2526 } 2527 2528 static void 2529 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2530 int *x, int *y, int *z) 2531 { 2532 2533 /* 2534 * PS2++ protocol packet 2535 * 2536 * b7 b6 b5 b4 b3 b2 b1 b0 2537 * byte 1: * 1 p3 p2 1 * * * 2538 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2539 * 2540 * p3-p0: packet type 2541 * c1, c2: c1 & c2 == 1, if p2 == 0 2542 * c1 & c2 == 0, if p2 == 1 2543 * 2544 * packet type: 0 (device type) 2545 * See comments in enable_mmanplus() below. 2546 * 2547 * packet type: 1 (wheel data) 2548 * 2549 * b7 b6 b5 b4 b3 b2 b1 b0 2550 * byte 3: h * B5 B4 s d2 d1 d0 2551 * 2552 * h: 1, if horizontal roller data 2553 * 0, if vertical roller data 2554 * B4, B5: button 4 and 5 2555 * s: sign bit 2556 * d2-d0: roller data 2557 * 2558 * packet type: 2 (reserved) 2559 */ 2560 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2561 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2562 /* 2563 * the extended data packet encodes button 2564 * and wheel events 2565 */ 2566 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2567 case 1: 2568 /* wheel data packet */ 2569 *x = *y = 0; 2570 if (pb->ipacket[2] & 0x80) { 2571 /* XXX horizontal roller count - ignore it */ 2572 ; 2573 } else { 2574 /* vertical roller count */ 2575 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2576 (pb->ipacket[2] & 0x0f) - 16 : 2577 (pb->ipacket[2] & 0x0f); 2578 } 2579 ms->button |= (pb->ipacket[2] & 2580 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2581 MOUSE_BUTTON4DOWN : 0; 2582 ms->button |= (pb->ipacket[2] & 2583 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2584 MOUSE_BUTTON5DOWN : 0; 2585 break; 2586 case 2: 2587 /* 2588 * this packet type is reserved by 2589 * Logitech... 2590 */ 2591 /* 2592 * IBM ScrollPoint Mouse uses this 2593 * packet type to encode both vertical 2594 * and horizontal scroll movement. 2595 */ 2596 *x = *y = 0; 2597 /* horizontal count */ 2598 if (pb->ipacket[2] & 0x0f) 2599 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2600 -2 : 2; 2601 /* vertical count */ 2602 if (pb->ipacket[2] & 0xf0) 2603 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2604 -1 : 1; 2605 break; 2606 case 0: 2607 /* device type packet - shouldn't happen */ 2608 /* FALLTHROUGH */ 2609 default: 2610 *x = *y = 0; 2611 ms->button = ms->obutton; 2612 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2613 "type %d: 0x%02x 0x%02x 0x%02x\n", 2614 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2615 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2616 break; 2617 } 2618 } else { 2619 /* preserve button states */ 2620 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2621 } 2622 } 2623 2624 static int 2625 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2626 int *x, int *y, int *z) 2627 { 2628 static int touchpad_buttons; 2629 static int guest_buttons; 2630 int w, x0, y0; 2631 2632 /* TouchPad PS/2 absolute mode message format with capFourButtons: 2633 * 2634 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2635 * ------------------------------------------------ 2636 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2637 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2638 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2639 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 2640 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2641 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2642 * 2643 * Legend: 2644 * L: left physical mouse button 2645 * R: right physical mouse button 2646 * D: down button 2647 * U: up button 2648 * W: "wrist" value 2649 * X: x position 2650 * Y: y position 2651 * Z: pressure 2652 * 2653 * Without capFourButtons but with nExtendeButtons and/or capMiddle 2654 * 2655 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2656 * ------------------------------------------------------ 2657 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 2658 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 2659 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 2660 * 2661 * Legend: 2662 * M: Middle physical mouse button 2663 * E: Extended mouse buttons reported instead of low bits of X and Y 2664 * b1-b8: Extended mouse buttons 2665 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 2666 * 4 and 5, for reading X and Y value they should be zeroed. 2667 * 2668 * Absolute reportable limits: 0 - 6143. 2669 * Typical bezel limits: 1472 - 5472. 2670 * Typical edge marings: 1632 - 5312. 2671 * 2672 * w = 3 Passthrough Packet 2673 * 2674 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2675 */ 2676 2677 if (!synaptics_support) 2678 return (0); 2679 2680 /* Sanity check for out of sync packets. */ 2681 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2682 (pb->ipacket[3] & 0xc8) != 0xc0) 2683 return (-1); 2684 2685 *x = *y = 0; 2686 2687 /* 2688 * Pressure value. 2689 * Interpretation: 2690 * z = 0 No finger contact 2691 * z = 10 Finger hovering near the pad 2692 * z = 30 Very light finger contact 2693 * z = 80 Normal finger contact 2694 * z = 110 Very heavy finger contact 2695 * z = 200 Finger lying flat on pad surface 2696 * z = 255 Maximum reportable Z 2697 */ 2698 *z = pb->ipacket[2]; 2699 2700 /* 2701 * Finger width value 2702 * Interpretation: 2703 * w = 0 Two finger on the pad (capMultiFinger needed) 2704 * w = 1 Three or more fingers (capMultiFinger needed) 2705 * w = 2 Pen (instead of finger) (capPen needed) 2706 * w = 3 Reserved (passthrough?) 2707 * w = 4-7 Finger of normal width (capPalmDetect needed) 2708 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2709 * w = 15 Maximum reportable width (capPalmDetect needed) 2710 */ 2711 /* XXX Is checking capExtended enough? */ 2712 if (sc->synhw.capExtended) 2713 w = ((pb->ipacket[0] & 0x30) >> 2) | 2714 ((pb->ipacket[0] & 0x04) >> 1) | 2715 ((pb->ipacket[3] & 0x04) >> 2); 2716 else { 2717 /* Assume a finger of regular width. */ 2718 w = 4; 2719 } 2720 2721 /* 2722 * Handle packets from the guest device. See: 2723 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 2724 */ 2725 if (w == 3 && sc->synhw.capPassthrough) { 2726 *x = ((pb->ipacket[1] & 0x10) ? 2727 pb->ipacket[4] - 256 : pb->ipacket[4]); 2728 *y = ((pb->ipacket[1] & 0x20) ? 2729 pb->ipacket[5] - 256 : pb->ipacket[5]); 2730 *z = 0; 2731 2732 guest_buttons = 0; 2733 if (pb->ipacket[1] & 0x01) 2734 guest_buttons |= MOUSE_BUTTON1DOWN; 2735 if (pb->ipacket[1] & 0x04) 2736 guest_buttons |= MOUSE_BUTTON2DOWN; 2737 if (pb->ipacket[1] & 0x02) 2738 guest_buttons |= MOUSE_BUTTON3DOWN; 2739 2740 ms->button = touchpad_buttons | guest_buttons; 2741 goto SYNAPTICS_END; 2742 } 2743 2744 if (sc->syninfo.touchpad_off) { 2745 *x = *y = *z = 0; 2746 ms->button = ms->obutton; 2747 goto SYNAPTICS_END; 2748 } 2749 2750 /* Button presses */ 2751 touchpad_buttons = 0; 2752 if (pb->ipacket[0] & 0x01) 2753 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2754 if (pb->ipacket[0] & 0x02) 2755 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2756 2757 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2758 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 2759 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2760 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 2761 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2762 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 2763 !sc->synhw.capClickPad) { 2764 /* Middle Button */ 2765 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 2766 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2767 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 2768 /* Extended Buttons */ 2769 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 2770 if (sc->syninfo.directional_scrolls) { 2771 if (pb->ipacket[4] & 0x01) 2772 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2773 if (pb->ipacket[5] & 0x01) 2774 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2775 if (pb->ipacket[4] & 0x02) 2776 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2777 if (pb->ipacket[5] & 0x02) 2778 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2779 } else { 2780 if (pb->ipacket[4] & 0x01) 2781 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2782 if (pb->ipacket[5] & 0x01) 2783 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2784 if (pb->ipacket[4] & 0x02) 2785 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2786 sc->extended_buttons = touchpad_buttons; 2787 } 2788 2789 /* 2790 * Zero out bits used by extended buttons to avoid 2791 * misinterpretation of the data absolute position. 2792 * 2793 * The bits represented by 2794 * 2795 * (nExtendedButtons + 1) >> 1 2796 * 2797 * will be masked out in both bytes. 2798 * The mask for n bits is computed with the formula 2799 * 2800 * (1 << n) - 1 2801 */ 2802 int maskedbits = 0; 2803 int mask = 0; 2804 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 2805 mask = (1 << maskedbits) - 1; 2806 pb->ipacket[4] &= ~(mask); 2807 pb->ipacket[5] &= ~(mask); 2808 } else if (!sc->syninfo.directional_scrolls && 2809 !sc->synaction.in_vscroll) { 2810 /* 2811 * Keep reporting MOUSE DOWN until we get a new packet 2812 * indicating otherwise. 2813 */ 2814 touchpad_buttons |= sc->extended_buttons; 2815 } 2816 } 2817 /* Handle ClickPad. */ 2818 if (sc->synhw.capClickPad && 2819 ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01)) 2820 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2821 2822 ms->button = touchpad_buttons | guest_buttons; 2823 2824 /* 2825 * Check pressure to detect a real wanted action on the 2826 * touchpad. 2827 */ 2828 if (*z >= sc->syninfo.min_pressure) { 2829 synapticsaction_t *synaction; 2830 int cursor, peer, window; 2831 int dx, dy, dxp, dyp; 2832 int max_width, max_pressure; 2833 int margin_top, margin_right, margin_bottom, margin_left; 2834 int na_top, na_right, na_bottom, na_left; 2835 int window_min, window_max; 2836 int multiplicator; 2837 int weight_current, weight_previous, weight_len_squared; 2838 int div_min, div_max, div_len; 2839 int vscroll_hor_area, vscroll_ver_area; 2840 int two_finger_scroll; 2841 int len, weight_prev_x, weight_prev_y; 2842 int div_max_x, div_max_y, div_x, div_y; 2843 int exiting_scroll; 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 exiting_scroll = 0; 2871 2872 /* Palm detection. */ 2873 if (!( 2874 ((sc->synhw.capMultiFinger || 2875 sc->synhw.capAdvancedGestures) && (w == 0 || w == 1)) || 2876 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2877 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2878 (sc->synhw.capPen && w == 2))) { 2879 /* 2880 * We consider the packet irrelevant for the current 2881 * action when: 2882 * - the width isn't comprised in: 2883 * [4; max_width] 2884 * - the pressure isn't comprised in: 2885 * [min_pressure; max_pressure] 2886 * - pen aren't supported but w is 2 2887 * 2888 * Note that this doesn't terminate the current action. 2889 */ 2890 VLOG(2, (LOG_DEBUG, 2891 "synaptics: palm detected! (%d)\n", w)); 2892 goto SYNAPTICS_END; 2893 } 2894 2895 /* Read current absolute position. */ 2896 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2897 ((pb->ipacket[1] & 0x0f) << 8) | 2898 pb->ipacket[4]; 2899 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2900 ((pb->ipacket[1] & 0xf0) << 4) | 2901 pb->ipacket[5]; 2902 2903 synaction = &(sc->synaction); 2904 2905 /* 2906 * If the action is just beginning, init the structure and 2907 * compute tap timeout. 2908 */ 2909 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2910 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2911 2912 /* Store the first point of this action. */ 2913 synaction->start_x = x0; 2914 synaction->start_y = y0; 2915 dx = dy = 0; 2916 2917 /* Initialize queue. */ 2918 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2919 synaction->queue_len = 0; 2920 synaction->window_min = window_min; 2921 2922 /* Reset average. */ 2923 synaction->avg_dx = 0; 2924 synaction->avg_dy = 0; 2925 2926 /* Reset squelch. */ 2927 synaction->squelch_x = 0; 2928 synaction->squelch_y = 0; 2929 2930 /* Reset pressure peak. */ 2931 sc->zmax = 0; 2932 2933 /* Reset fingers count. */ 2934 synaction->fingers_nb = 0; 2935 2936 /* Reset virtual scrolling state. */ 2937 synaction->in_vscroll = 0; 2938 2939 /* Compute tap timeout. */ 2940 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2941 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2942 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2943 2944 sc->flags |= PSM_FLAGS_FINGERDOWN; 2945 } else { 2946 /* Calculate the current delta. */ 2947 cursor = synaction->queue_cursor; 2948 dx = x0 - synaction->queue[cursor].x; 2949 dy = y0 - synaction->queue[cursor].y; 2950 } 2951 2952 /* If in tap-hold, add the recorded button. */ 2953 if (synaction->in_taphold) 2954 ms->button |= synaction->tap_button; 2955 2956 /* 2957 * From now on, we can use the SYNAPTICS_END label to skip 2958 * the current packet. 2959 */ 2960 2961 /* 2962 * Limit the coordinates to the specified margins because 2963 * this area isn't very reliable. 2964 */ 2965 if (x0 <= margin_left) 2966 x0 = margin_left; 2967 else if (x0 >= 6143 - margin_right) 2968 x0 = 6143 - margin_right; 2969 if (y0 <= margin_bottom) 2970 y0 = margin_bottom; 2971 else if (y0 >= 6143 - margin_top) 2972 y0 = 6143 - margin_top; 2973 2974 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2975 x0, y0, *z, w)); 2976 2977 /* Queue this new packet. */ 2978 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2979 synaction->queue[cursor].x = x0; 2980 synaction->queue[cursor].y = y0; 2981 synaction->queue_cursor = cursor; 2982 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2983 synaction->queue_len++; 2984 VLOG(5, (LOG_DEBUG, 2985 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2986 cursor, x0, y0, dx, dy)); 2987 2988 /* 2989 * For tap, we keep the maximum number of fingers and the 2990 * pressure peak. Also with multiple fingers, we increase 2991 * the minimum window. 2992 */ 2993 switch (w) { 2994 case 1: /* Three or more fingers. */ 2995 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2996 synaction->window_min = window_max; 2997 break; 2998 case 0: /* Two fingers. */ 2999 synaction->fingers_nb = imax(2, synaction->fingers_nb); 3000 synaction->window_min = window_max; 3001 break; 3002 default: /* One finger or undetectable. */ 3003 synaction->fingers_nb = imax(1, synaction->fingers_nb); 3004 } 3005 sc->zmax = imax(*z, sc->zmax); 3006 3007 /* Do we have enough packets to consider this a movement? */ 3008 if (synaction->queue_len < synaction->window_min) 3009 goto SYNAPTICS_END; 3010 3011 /* Is a scrolling action occurring? */ 3012 if (!synaction->in_taphold && !synaction->in_vscroll) { 3013 /* 3014 * A scrolling action must not conflict with a tap 3015 * action. Here are the conditions to consider a 3016 * scrolling action: 3017 * - the action in a configurable area 3018 * - one of the following: 3019 * . the distance between the last packet and the 3020 * first should be above a configurable minimum 3021 * . tap timed out 3022 */ 3023 dxp = abs(synaction->queue[synaction->queue_cursor].x - 3024 synaction->start_x); 3025 dyp = abs(synaction->queue[synaction->queue_cursor].y - 3026 synaction->start_y); 3027 3028 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 3029 dxp >= sc->syninfo.vscroll_min_delta || 3030 dyp >= sc->syninfo.vscroll_min_delta) { 3031 /* 3032 * Handle two finger scrolling. 3033 * Note that we don't rely on fingers_nb 3034 * as that keeps the maximum number of fingers. 3035 */ 3036 if (two_finger_scroll) { 3037 if (w == 0) { 3038 synaction->in_vscroll += 3039 dyp ? 2 : 0; 3040 synaction->in_vscroll += 3041 dxp ? 1 : 0; 3042 } 3043 } else { 3044 /* Check for horizontal scrolling. */ 3045 if ((vscroll_hor_area > 0 && 3046 synaction->start_y <= 3047 vscroll_hor_area) || 3048 (vscroll_hor_area < 0 && 3049 synaction->start_y >= 3050 6143 + vscroll_hor_area)) 3051 synaction->in_vscroll += 2; 3052 3053 /* Check for vertical scrolling. */ 3054 if ((vscroll_ver_area > 0 && 3055 synaction->start_x <= 3056 vscroll_ver_area) || 3057 (vscroll_ver_area < 0 && 3058 synaction->start_x >= 3059 6143 + vscroll_ver_area)) 3060 synaction->in_vscroll += 1; 3061 } 3062 3063 /* Avoid conflicts if area overlaps. */ 3064 if (synaction->in_vscroll >= 3) 3065 synaction->in_vscroll = 3066 (dxp > dyp) ? 2 : 1; 3067 } 3068 } 3069 /* 3070 * Reset two finger scrolling when the number of fingers 3071 * is different from two. 3072 */ 3073 if (two_finger_scroll && w != 0 && synaction->in_vscroll != 0) { 3074 synaction->in_vscroll = 0; 3075 exiting_scroll = 1; 3076 } 3077 3078 VLOG(5, (LOG_DEBUG, 3079 "synaptics: virtual scrolling: %s " 3080 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3081 synaction->in_vscroll ? "YES" : "NO", 3082 synaction->in_vscroll, dxp, dyp, 3083 synaction->fingers_nb)); 3084 3085 weight_prev_x = weight_prev_y = weight_previous; 3086 div_max_x = div_max_y = div_max; 3087 3088 if (synaction->in_vscroll) { 3089 /* Dividers are different with virtual scrolling. */ 3090 div_min = sc->syninfo.vscroll_div_min; 3091 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 3092 } else { 3093 /* 3094 * There's a lot of noise in coordinates when 3095 * the finger is on the touchpad's borders. When 3096 * using this area, we apply a special weight and 3097 * div. 3098 */ 3099 if (x0 <= na_left || x0 >= 6143 - na_right) { 3100 weight_prev_x = sc->syninfo.weight_previous_na; 3101 div_max_x = sc->syninfo.div_max_na; 3102 } 3103 3104 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 3105 weight_prev_y = sc->syninfo.weight_previous_na; 3106 div_max_y = sc->syninfo.div_max_na; 3107 } 3108 } 3109 3110 /* 3111 * Calculate weights for the average operands and 3112 * the divisor. Both depend on the distance between 3113 * the current packet and a previous one (based on the 3114 * window width). 3115 */ 3116 window = imin(synaction->queue_len, window_max); 3117 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 3118 dxp = abs(x0 - synaction->queue[peer].x) + 1; 3119 dyp = abs(y0 - synaction->queue[peer].y) + 1; 3120 len = (dxp * dxp) + (dyp * dyp); 3121 weight_prev_x = imin(weight_prev_x, 3122 weight_len_squared * weight_prev_x / len); 3123 weight_prev_y = imin(weight_prev_y, 3124 weight_len_squared * weight_prev_y / len); 3125 3126 len = (dxp + dyp) / 2; 3127 div_x = div_len * div_max_x / len; 3128 div_x = imin(div_max_x, div_x); 3129 div_x = imax(div_min, div_x); 3130 div_y = div_len * div_max_y / len; 3131 div_y = imin(div_max_y, div_y); 3132 div_y = imax(div_min, div_y); 3133 3134 VLOG(3, (LOG_DEBUG, 3135 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 3136 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 3137 3138 /* Compute averages. */ 3139 synaction->avg_dx = 3140 (weight_current * dx * multiplicator + 3141 weight_prev_x * synaction->avg_dx) / 3142 (weight_current + weight_prev_x); 3143 3144 synaction->avg_dy = 3145 (weight_current * dy * multiplicator + 3146 weight_prev_y * synaction->avg_dy) / 3147 (weight_current + weight_prev_y); 3148 3149 VLOG(5, (LOG_DEBUG, 3150 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 3151 synaction->avg_dx / multiplicator, 3152 synaction->avg_dy / multiplicator)); 3153 3154 /* Use these averages to calculate x & y. */ 3155 synaction->squelch_x += synaction->avg_dx; 3156 *x = synaction->squelch_x / (div_x * multiplicator); 3157 synaction->squelch_x = synaction->squelch_x % 3158 (div_x * multiplicator); 3159 3160 synaction->squelch_y += synaction->avg_dy; 3161 *y = synaction->squelch_y / (div_y * multiplicator); 3162 synaction->squelch_y = synaction->squelch_y % 3163 (div_y * multiplicator); 3164 3165 if (synaction->in_vscroll) { 3166 switch(synaction->in_vscroll) { 3167 case 1: /* Vertical scrolling. */ 3168 if (*y != 0) 3169 ms->button |= (*y > 0) ? 3170 MOUSE_BUTTON4DOWN : 3171 MOUSE_BUTTON5DOWN; 3172 break; 3173 case 2: /* Horizontal scrolling. */ 3174 if (*x != 0) 3175 ms->button |= (*x > 0) ? 3176 MOUSE_BUTTON7DOWN : 3177 MOUSE_BUTTON6DOWN; 3178 break; 3179 } 3180 3181 /* The pointer is not moved. */ 3182 *x = *y = 0; 3183 } else { 3184 /* On exit the x/y pos may jump, ignore this */ 3185 if (exiting_scroll) 3186 *x = *y = 0; 3187 3188 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3189 dx, dy, *x, *y)); 3190 } 3191 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3192 /* 3193 * An action is currently taking place but the pressure 3194 * dropped under the minimum, putting an end to it. 3195 */ 3196 synapticsaction_t *synaction; 3197 int taphold_timeout, dx, dy, tap_max_delta; 3198 3199 synaction = &(sc->synaction); 3200 dx = abs(synaction->queue[synaction->queue_cursor].x - 3201 synaction->start_x); 3202 dy = abs(synaction->queue[synaction->queue_cursor].y - 3203 synaction->start_y); 3204 3205 /* Max delta is disabled for multi-fingers tap. */ 3206 if (synaction->fingers_nb > 1) 3207 tap_max_delta = imax(dx, dy); 3208 else 3209 tap_max_delta = sc->syninfo.tap_max_delta; 3210 3211 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3212 3213 /* Check for tap. */ 3214 VLOG(3, (LOG_DEBUG, 3215 "synaptics: zmax=%d, dx=%d, dy=%d, " 3216 "delta=%d, fingers=%d, queue=%d\n", 3217 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3218 synaction->queue_len)); 3219 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3220 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3221 dx <= tap_max_delta && dy <= tap_max_delta && 3222 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3223 /* 3224 * We have a tap if: 3225 * - the maximum pressure went over tap_threshold 3226 * - the action ended before tap_timeout 3227 * 3228 * To handle tap-hold, we must delay any button push to 3229 * the next action. 3230 */ 3231 if (synaction->in_taphold) { 3232 /* 3233 * This is the second and last tap of a 3234 * double tap action, not a tap-hold. 3235 */ 3236 synaction->in_taphold = 0; 3237 3238 /* 3239 * For double-tap to work: 3240 * - no button press is emitted (to 3241 * simulate a button release) 3242 * - PSM_FLAGS_FINGERDOWN is set to 3243 * force the next packet to emit a 3244 * button press) 3245 */ 3246 VLOG(2, (LOG_DEBUG, 3247 "synaptics: button RELEASE: %d\n", 3248 synaction->tap_button)); 3249 sc->flags |= PSM_FLAGS_FINGERDOWN; 3250 } else { 3251 /* 3252 * This is the first tap: we set the 3253 * tap-hold state and notify the button 3254 * down event. 3255 */ 3256 synaction->in_taphold = 1; 3257 taphold_timeout = sc->syninfo.taphold_timeout; 3258 sc->taptimeout.tv_sec = taphold_timeout / 3259 1000000; 3260 sc->taptimeout.tv_usec = taphold_timeout % 3261 1000000; 3262 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3263 3264 switch (synaction->fingers_nb) { 3265 case 3: 3266 synaction->tap_button = 3267 MOUSE_BUTTON2DOWN; 3268 break; 3269 case 2: 3270 synaction->tap_button = 3271 MOUSE_BUTTON3DOWN; 3272 break; 3273 default: 3274 synaction->tap_button = 3275 MOUSE_BUTTON1DOWN; 3276 } 3277 VLOG(2, (LOG_DEBUG, 3278 "synaptics: button PRESS: %d\n", 3279 synaction->tap_button)); 3280 ms->button |= synaction->tap_button; 3281 } 3282 } else { 3283 /* 3284 * Not enough pressure or timeout: reset 3285 * tap-hold state. 3286 */ 3287 if (synaction->in_taphold) { 3288 VLOG(2, (LOG_DEBUG, 3289 "synaptics: button RELEASE: %d\n", 3290 synaction->tap_button)); 3291 synaction->in_taphold = 0; 3292 } else { 3293 VLOG(2, (LOG_DEBUG, 3294 "synaptics: not a tap-hold\n")); 3295 } 3296 } 3297 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3298 sc->synaction.in_taphold) { 3299 /* 3300 * For a tap-hold to work, the button must remain down at 3301 * least until timeout (where the in_taphold flags will be 3302 * cleared) or during the next action. 3303 */ 3304 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3305 ms->button |= sc->synaction.tap_button; 3306 } else { 3307 VLOG(2, (LOG_DEBUG, 3308 "synaptics: button RELEASE: %d\n", 3309 sc->synaction.tap_button)); 3310 sc->synaction.in_taphold = 0; 3311 } 3312 } 3313 3314 SYNAPTICS_END: 3315 /* 3316 * Use the extra buttons as a scrollwheel 3317 * 3318 * XXX X.Org uses the Z axis for vertical wheel only, 3319 * whereas moused(8) understands special values to differ 3320 * vertical and horizontal wheels. 3321 * 3322 * xf86-input-mouse needs therefore a small patch to 3323 * understand these special values. Without it, the 3324 * horizontal wheel acts as a vertical wheel in X.Org. 3325 * 3326 * That's why the horizontal wheel is disabled by 3327 * default for now. 3328 */ 3329 3330 if (ms->button & MOUSE_BUTTON4DOWN) { 3331 *z = -1; 3332 ms->button &= ~MOUSE_BUTTON4DOWN; 3333 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3334 *z = 1; 3335 ms->button &= ~MOUSE_BUTTON5DOWN; 3336 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3337 *z = -2; 3338 ms->button &= ~MOUSE_BUTTON6DOWN; 3339 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3340 *z = 2; 3341 ms->button &= ~MOUSE_BUTTON7DOWN; 3342 } else 3343 *z = 0; 3344 3345 return (0); 3346 } 3347 3348 static void 3349 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3350 int *x, int *y, int *z) 3351 { 3352 static int butmap_versapad[8] = { 3353 0, 3354 MOUSE_BUTTON3DOWN, 3355 0, 3356 MOUSE_BUTTON3DOWN, 3357 MOUSE_BUTTON1DOWN, 3358 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3359 MOUSE_BUTTON1DOWN, 3360 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3361 }; 3362 int c, x0, y0; 3363 3364 /* VersaPad PS/2 absolute mode message format 3365 * 3366 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3367 * ipacket[0]: 1 1 0 A 1 L T R 3368 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3369 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3370 * ipacket[3]: 1 1 1 A 1 L T R 3371 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3372 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3373 * 3374 * [note] 3375 * R: right physical mouse button (1=on) 3376 * T: touch pad virtual button (1=tapping) 3377 * L: left physical mouse button (1=on) 3378 * A: position data is valid (1=valid) 3379 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3380 * V: vertical data (12bit signed integer. V11 is sign bit.) 3381 * P: pressure data 3382 * 3383 * Tapping is mapped to MOUSE_BUTTON4. 3384 */ 3385 c = pb->ipacket[0]; 3386 *x = *y = 0; 3387 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3388 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3389 if (c & MOUSE_PS2VERSA_IN_USE) { 3390 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3391 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3392 if (x0 & 0x800) 3393 x0 -= 0x1000; 3394 if (y0 & 0x800) 3395 y0 -= 0x1000; 3396 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3397 *x = sc->xold - x0; 3398 *y = y0 - sc->yold; 3399 if (*x < 0) /* XXX */ 3400 ++*x; 3401 else if (*x) 3402 --*x; 3403 if (*y < 0) 3404 ++*y; 3405 else if (*y) 3406 --*y; 3407 } else 3408 sc->flags |= PSM_FLAGS_FINGERDOWN; 3409 sc->xold = x0; 3410 sc->yold = y0; 3411 } else 3412 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3413 } 3414 3415 static void 3416 psmsoftintr(void *arg) 3417 { 3418 /* 3419 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3420 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3421 */ 3422 static int butmap[8] = { 3423 0, 3424 MOUSE_BUTTON1DOWN, 3425 MOUSE_BUTTON3DOWN, 3426 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3427 MOUSE_BUTTON2DOWN, 3428 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3429 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3430 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3431 }; 3432 struct psm_softc *sc = arg; 3433 mousestatus_t ms; 3434 packetbuf_t *pb; 3435 int x, y, z, c, l, s; 3436 3437 getmicrouptime(&sc->lastsoftintr); 3438 3439 s = spltty(); 3440 3441 do { 3442 pb = &sc->pqueue[sc->pqueue_start]; 3443 3444 if (sc->mode.level == PSM_LEVEL_NATIVE) 3445 goto next_native; 3446 3447 c = pb->ipacket[0]; 3448 /* 3449 * A kludge for Kensington device! 3450 * The MSB of the horizontal count appears to be stored in 3451 * a strange place. 3452 */ 3453 if (sc->hw.model == MOUSE_MODEL_THINK) 3454 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3455 3456 /* ignore the overflow bits... */ 3457 x = (c & MOUSE_PS2_XNEG) ? 3458 pb->ipacket[1] - 256 : pb->ipacket[1]; 3459 y = (c & MOUSE_PS2_YNEG) ? 3460 pb->ipacket[2] - 256 : pb->ipacket[2]; 3461 z = 0; 3462 ms.obutton = sc->button; /* previous button state */ 3463 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3464 /* `tapping' action */ 3465 if (sc->config & PSM_CONFIG_FORCETAP) 3466 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3467 0 : MOUSE_BUTTON4DOWN; 3468 3469 switch (sc->hw.model) { 3470 3471 case MOUSE_MODEL_EXPLORER: 3472 /* 3473 * b7 b6 b5 b4 b3 b2 b1 b0 3474 * byte 1: oy ox sy sx 1 M R L 3475 * byte 2: x x x x x x x x 3476 * byte 3: y y y y y y y y 3477 * byte 4: * * S2 S1 s d2 d1 d0 3478 * 3479 * L, M, R, S1, S2: left, middle, right and side buttons 3480 * s: wheel data sign bit 3481 * d2-d0: wheel data 3482 */ 3483 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3484 (pb->ipacket[3] & 0x0f) - 16 : 3485 (pb->ipacket[3] & 0x0f); 3486 ms.button |= 3487 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3488 MOUSE_BUTTON4DOWN : 0; 3489 ms.button |= 3490 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3491 MOUSE_BUTTON5DOWN : 0; 3492 break; 3493 3494 case MOUSE_MODEL_INTELLI: 3495 case MOUSE_MODEL_NET: 3496 /* wheel data is in the fourth byte */ 3497 z = (char)pb->ipacket[3]; 3498 /* 3499 * XXX some mice may send 7 when there is no Z movement? */ 3500 if ((z >= 7) || (z <= -7)) 3501 z = 0; 3502 /* some compatible mice have additional buttons */ 3503 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3504 MOUSE_BUTTON4DOWN : 0; 3505 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3506 MOUSE_BUTTON5DOWN : 0; 3507 break; 3508 3509 case MOUSE_MODEL_MOUSEMANPLUS: 3510 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3511 break; 3512 3513 case MOUSE_MODEL_GLIDEPOINT: 3514 /* `tapping' action */ 3515 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3516 MOUSE_BUTTON4DOWN; 3517 break; 3518 3519 case MOUSE_MODEL_NETSCROLL: 3520 /* 3521 * three additional bytes encode buttons and 3522 * wheel events 3523 */ 3524 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3525 MOUSE_BUTTON4DOWN : 0; 3526 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3527 MOUSE_BUTTON5DOWN : 0; 3528 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3529 pb->ipacket[4] - 256 : pb->ipacket[4]; 3530 break; 3531 3532 case MOUSE_MODEL_THINK: 3533 /* the fourth button state in the first byte */ 3534 ms.button |= (c & MOUSE_PS2_TAP) ? 3535 MOUSE_BUTTON4DOWN : 0; 3536 break; 3537 3538 case MOUSE_MODEL_VERSAPAD: 3539 proc_versapad(sc, pb, &ms, &x, &y, &z); 3540 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3541 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3542 break; 3543 3544 case MOUSE_MODEL_4D: 3545 /* 3546 * b7 b6 b5 b4 b3 b2 b1 b0 3547 * byte 1: s2 d2 s1 d1 1 M R L 3548 * byte 2: sx x x x x x x x 3549 * byte 3: sy y y y y y y y 3550 * 3551 * s1: wheel 1 direction 3552 * d1: wheel 1 data 3553 * s2: wheel 2 direction 3554 * d2: wheel 2 data 3555 */ 3556 x = (pb->ipacket[1] & 0x80) ? 3557 pb->ipacket[1] - 256 : pb->ipacket[1]; 3558 y = (pb->ipacket[2] & 0x80) ? 3559 pb->ipacket[2] - 256 : pb->ipacket[2]; 3560 switch (c & MOUSE_4D_WHEELBITS) { 3561 case 0x10: 3562 z = 1; 3563 break; 3564 case 0x30: 3565 z = -1; 3566 break; 3567 case 0x40: /* XXX 2nd wheel turning right */ 3568 z = 2; 3569 break; 3570 case 0xc0: /* XXX 2nd wheel turning left */ 3571 z = -2; 3572 break; 3573 } 3574 break; 3575 3576 case MOUSE_MODEL_4DPLUS: 3577 if ((x < 16 - 256) && (y < 16 - 256)) { 3578 /* 3579 * b7 b6 b5 b4 b3 b2 b1 b0 3580 * byte 1: 0 0 1 1 1 M R L 3581 * byte 2: 0 0 0 0 1 0 0 0 3582 * byte 3: 0 0 0 0 S s d1 d0 3583 * 3584 * L, M, R, S: left, middle, right, 3585 * and side buttons 3586 * s: wheel data sign bit 3587 * d1-d0: wheel data 3588 */ 3589 x = y = 0; 3590 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3591 ms.button |= MOUSE_BUTTON4DOWN; 3592 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3593 ((pb->ipacket[2] & 0x07) - 8) : 3594 (pb->ipacket[2] & 0x07) ; 3595 } else { 3596 /* preserve previous button states */ 3597 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3598 } 3599 break; 3600 3601 case MOUSE_MODEL_SYNAPTICS: 3602 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3603 goto next; 3604 break; 3605 3606 case MOUSE_MODEL_TRACKPOINT: 3607 case MOUSE_MODEL_GENERIC: 3608 default: 3609 break; 3610 } 3611 3612 /* scale values */ 3613 if (sc->mode.accelfactor >= 1) { 3614 if (x != 0) { 3615 x = x * x / sc->mode.accelfactor; 3616 if (x == 0) 3617 x = 1; 3618 if (c & MOUSE_PS2_XNEG) 3619 x = -x; 3620 } 3621 if (y != 0) { 3622 y = y * y / sc->mode.accelfactor; 3623 if (y == 0) 3624 y = 1; 3625 if (c & MOUSE_PS2_YNEG) 3626 y = -y; 3627 } 3628 } 3629 3630 ms.dx = x; 3631 ms.dy = y; 3632 ms.dz = z; 3633 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3634 (ms.obutton ^ ms.button); 3635 3636 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3637 3638 sc->status.flags |= ms.flags; 3639 sc->status.dx += ms.dx; 3640 sc->status.dy += ms.dy; 3641 sc->status.dz += ms.dz; 3642 sc->status.button = ms.button; 3643 sc->button = ms.button; 3644 3645 next_native: 3646 sc->watchdog = FALSE; 3647 3648 /* queue data */ 3649 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3650 l = imin(pb->inputbytes, 3651 sizeof(sc->queue.buf) - sc->queue.tail); 3652 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3653 if (pb->inputbytes > l) 3654 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3655 pb->inputbytes - l); 3656 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3657 sizeof(sc->queue.buf); 3658 sc->queue.count += pb->inputbytes; 3659 } 3660 pb->inputbytes = 0; 3661 3662 next: 3663 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3664 sc->pqueue_start = 0; 3665 } while (sc->pqueue_start != sc->pqueue_end); 3666 3667 if (sc->state & PSM_ASLP) { 3668 sc->state &= ~PSM_ASLP; 3669 wakeup(sc); 3670 } 3671 selwakeuppri(&sc->rsel, PZERO); 3672 if (sc->async != NULL) { 3673 pgsigio(&sc->async, SIGIO, 0); 3674 } 3675 sc->state &= ~PSM_SOFTARMED; 3676 splx(s); 3677 } 3678 3679 static int 3680 psmpoll(struct cdev *dev, int events, struct thread *td) 3681 { 3682 struct psm_softc *sc = dev->si_drv1; 3683 int s; 3684 int revents = 0; 3685 3686 /* Return true if a mouse event available */ 3687 s = spltty(); 3688 if (events & (POLLIN | POLLRDNORM)) { 3689 if (sc->queue.count > 0) 3690 revents |= events & (POLLIN | POLLRDNORM); 3691 else 3692 selrecord(td, &sc->rsel); 3693 } 3694 splx(s); 3695 3696 return (revents); 3697 } 3698 3699 /* vendor/model specific routines */ 3700 3701 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3702 { 3703 if (set_mouse_resolution(kbdc, res) != res) 3704 return (FALSE); 3705 if (set_mouse_scaling(kbdc, scale) && 3706 set_mouse_scaling(kbdc, scale) && 3707 set_mouse_scaling(kbdc, scale) && 3708 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3709 return (TRUE); 3710 return (FALSE); 3711 } 3712 3713 static int 3714 mouse_ext_command(KBDC kbdc, int command) 3715 { 3716 int c; 3717 3718 c = (command >> 6) & 0x03; 3719 if (set_mouse_resolution(kbdc, c) != c) 3720 return (FALSE); 3721 c = (command >> 4) & 0x03; 3722 if (set_mouse_resolution(kbdc, c) != c) 3723 return (FALSE); 3724 c = (command >> 2) & 0x03; 3725 if (set_mouse_resolution(kbdc, c) != c) 3726 return (FALSE); 3727 c = (command >> 0) & 0x03; 3728 if (set_mouse_resolution(kbdc, c) != c) 3729 return (FALSE); 3730 return (TRUE); 3731 } 3732 3733 #ifdef notyet 3734 /* Logitech MouseMan Cordless II */ 3735 static int 3736 enable_lcordless(struct psm_softc *sc, enum probearg arg) 3737 { 3738 KBDC kbdc = sc->kbdc; 3739 int status[3]; 3740 int ch; 3741 3742 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 3743 return (FALSE); 3744 if (status[1] == PSMD_RES_HIGH) 3745 return (FALSE); 3746 ch = (status[0] & 0x07) - 1; /* channel # */ 3747 if ((ch <= 0) || (ch > 4)) 3748 return (FALSE); 3749 /* 3750 * status[1]: always one? 3751 * status[2]: battery status? (0-100) 3752 */ 3753 return (TRUE); 3754 } 3755 #endif /* notyet */ 3756 3757 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3758 static int 3759 enable_groller(struct psm_softc *sc, enum probearg arg) 3760 { 3761 KBDC kbdc = sc->kbdc; 3762 int status[3]; 3763 3764 /* 3765 * The special sequence to enable the fourth button and the 3766 * roller. Immediately after this sequence check status bytes. 3767 * if the mouse is NetScroll, the second and the third bytes are 3768 * '3' and 'D'. 3769 */ 3770 3771 /* 3772 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3773 * look like the following. 3774 * 3775 * byte 1 bit 7 always 0 3776 * bit 6 stream mode (0) 3777 * bit 5 disabled (0) 3778 * bit 4 1:1 scaling (0) 3779 * bit 3 always 0 3780 * bit 0-2 button status 3781 * byte 2 resolution (PSMD_RES_HIGH) 3782 * byte 3 report rate (?) 3783 */ 3784 3785 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3786 return (FALSE); 3787 if ((status[1] != '3') || (status[2] != 'D')) 3788 return (FALSE); 3789 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3790 if (arg == PROBE) 3791 sc->hw.buttons = 4; 3792 return (TRUE); 3793 } 3794 3795 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3796 static int 3797 enable_gmouse(struct psm_softc *sc, enum probearg arg) 3798 { 3799 KBDC kbdc = sc->kbdc; 3800 int status[3]; 3801 3802 /* 3803 * The special sequence to enable the middle, "rubber" button. 3804 * Immediately after this sequence check status bytes. 3805 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3806 * the second and the third bytes are '3' and 'U'. 3807 * NOTE: NetMouse reports that it has three buttons although it has 3808 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3809 * say they have three buttons too and they do have a button on the 3810 * side... 3811 */ 3812 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3813 return (FALSE); 3814 if ((status[1] != '3') || (status[2] != 'U')) 3815 return (FALSE); 3816 return (TRUE); 3817 } 3818 3819 /* ALPS GlidePoint */ 3820 static int 3821 enable_aglide(struct psm_softc *sc, enum probearg arg) 3822 { 3823 KBDC kbdc = sc->kbdc; 3824 int status[3]; 3825 3826 /* 3827 * The special sequence to obtain ALPS GlidePoint specific 3828 * information. Immediately after this sequence, status bytes will 3829 * contain something interesting. 3830 * NOTE: ALPS produces several models of GlidePoint. Some of those 3831 * do not respond to this sequence, thus, cannot be detected this way. 3832 */ 3833 if (set_mouse_sampling_rate(kbdc, 100) != 100) 3834 return (FALSE); 3835 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 3836 return (FALSE); 3837 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3838 return (FALSE); 3839 return (TRUE); 3840 } 3841 3842 /* Kensington ThinkingMouse/Trackball */ 3843 static int 3844 enable_kmouse(struct psm_softc *sc, enum probearg arg) 3845 { 3846 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3847 KBDC kbdc = sc->kbdc; 3848 int status[3]; 3849 int id1; 3850 int id2; 3851 int i; 3852 3853 id1 = get_aux_id(kbdc); 3854 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3855 return (FALSE); 3856 /* 3857 * The device is now in the native mode? It returns a different 3858 * ID value... 3859 */ 3860 id2 = get_aux_id(kbdc); 3861 if ((id1 == id2) || (id2 != 2)) 3862 return (FALSE); 3863 3864 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3865 return (FALSE); 3866 #if PSM_DEBUG >= 2 3867 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3868 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3869 return (FALSE); 3870 #endif 3871 3872 /* 3873 * The special sequence to enable the third and fourth buttons. 3874 * Otherwise they behave like the first and second buttons. 3875 */ 3876 for (i = 0; i < nitems(rate); ++i) 3877 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3878 return (FALSE); 3879 3880 /* 3881 * At this point, the device is using default resolution and 3882 * sampling rate for the native mode. 3883 */ 3884 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3885 return (FALSE); 3886 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3887 return (FALSE); 3888 3889 /* the device appears be enabled by this sequence, diable it for now */ 3890 disable_aux_dev(kbdc); 3891 empty_aux_buffer(kbdc, 5); 3892 3893 return (TRUE); 3894 } 3895 3896 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3897 static int 3898 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 3899 { 3900 KBDC kbdc = sc->kbdc; 3901 int data[3]; 3902 3903 /* the special sequence to enable the fourth button and the roller. */ 3904 /* 3905 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3906 * must be called exactly three times since the last RESET command 3907 * before this sequence. XXX 3908 */ 3909 if (!set_mouse_scaling(kbdc, 1)) 3910 return (FALSE); 3911 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3912 return (FALSE); 3913 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3914 return (FALSE); 3915 3916 /* 3917 * PS2++ protocol, packet type 0 3918 * 3919 * b7 b6 b5 b4 b3 b2 b1 b0 3920 * byte 1: * 1 p3 p2 1 * * * 3921 * byte 2: 1 1 p1 p0 m1 m0 1 0 3922 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3923 * 3924 * p3-p0: packet type: 0 3925 * m7-m0: model ID: MouseMan+:0x50, 3926 * FirstMouse+:0x51, 3927 * ScrollPoint:0x58... 3928 */ 3929 /* check constant bits */ 3930 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3931 return (FALSE); 3932 if ((data[1] & 0xc3) != 0xc2) 3933 return (FALSE); 3934 /* check d3-d0 in byte 2 */ 3935 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3936 return (FALSE); 3937 /* check p3-p0 */ 3938 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3939 return (FALSE); 3940 3941 if (arg == PROBE) { 3942 sc->hw.hwid &= 0x00ff; 3943 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3944 } 3945 3946 /* 3947 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3948 * the wheel and the fourth button events are encoded in the 3949 * special data packet. The mouse may be put in the IntelliMouse mode 3950 * if it is initialized by the IntelliMouse's method. 3951 */ 3952 return (TRUE); 3953 } 3954 3955 /* MS IntelliMouse Explorer */ 3956 static int 3957 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 3958 { 3959 KBDC kbdc = sc->kbdc; 3960 static u_char rate0[] = { 200, 100, 80, }; 3961 static u_char rate1[] = { 200, 200, 80, }; 3962 int id; 3963 int i; 3964 3965 /* 3966 * This is needed for at least A4Tech X-7xx mice - they do not go 3967 * straight to Explorer mode, but need to be set to Intelli mode 3968 * first. 3969 */ 3970 enable_msintelli(sc, arg); 3971 3972 /* the special sequence to enable the extra buttons and the roller. */ 3973 for (i = 0; i < nitems(rate1); ++i) 3974 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3975 return (FALSE); 3976 /* the device will give the genuine ID only after the above sequence */ 3977 id = get_aux_id(kbdc); 3978 if (id != PSM_EXPLORER_ID) 3979 return (FALSE); 3980 3981 if (arg == PROBE) { 3982 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3983 sc->hw.hwid = id; 3984 } 3985 3986 /* 3987 * XXX: this is a kludge to fool some KVM switch products 3988 * which think they are clever enough to know the 4-byte IntelliMouse 3989 * protocol, and assume any other protocols use 3-byte packets. 3990 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3991 * correctly to the host computer because of this! 3992 * The following sequence is actually IntelliMouse's "wake up" 3993 * sequence; it will make the KVM think the mouse is IntelliMouse 3994 * when it is in fact IntelliMouse Explorer. 3995 */ 3996 for (i = 0; i < nitems(rate0); ++i) 3997 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3998 break; 3999 get_aux_id(kbdc); 4000 4001 return (TRUE); 4002 } 4003 4004 /* 4005 * MS IntelliMouse 4006 * Logitech MouseMan+ and FirstMouse+ will also respond to this 4007 * probe routine and act like IntelliMouse. 4008 */ 4009 static int 4010 enable_msintelli(struct psm_softc *sc, enum probearg arg) 4011 { 4012 KBDC kbdc = sc->kbdc; 4013 static u_char rate[] = { 200, 100, 80, }; 4014 int id; 4015 int i; 4016 4017 /* the special sequence to enable the third button and the roller. */ 4018 for (i = 0; i < nitems(rate); ++i) 4019 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 4020 return (FALSE); 4021 /* the device will give the genuine ID only after the above sequence */ 4022 id = get_aux_id(kbdc); 4023 if (id != PSM_INTELLI_ID) 4024 return (FALSE); 4025 4026 if (arg == PROBE) { 4027 sc->hw.buttons = 3; 4028 sc->hw.hwid = id; 4029 } 4030 4031 return (TRUE); 4032 } 4033 4034 /* 4035 * A4 Tech 4D Mouse 4036 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 4037 */ 4038 static int 4039 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 4040 { 4041 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 4042 KBDC kbdc = sc->kbdc; 4043 int id; 4044 int i; 4045 4046 for (i = 0; i < nitems(rate); ++i) 4047 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 4048 return (FALSE); 4049 id = get_aux_id(kbdc); 4050 /* 4051 * WinEasy 4D, 4 Way Scroll 4D: 6 4052 * Cable-Free 4D: 8 (4DPLUS) 4053 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 4054 */ 4055 if (id != PSM_4DMOUSE_ID) 4056 return (FALSE); 4057 4058 if (arg == PROBE) { 4059 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 4060 sc->hw.hwid = id; 4061 } 4062 4063 return (TRUE); 4064 } 4065 4066 /* 4067 * A4 Tech 4D+ Mouse 4068 * Newer wheel mice from A4 Tech seem to use this protocol. 4069 * Older models are recognized as either 4D Mouse or IntelliMouse. 4070 */ 4071 static int 4072 enable_4dplus(struct psm_softc *sc, enum probearg arg) 4073 { 4074 KBDC kbdc = sc->kbdc; 4075 int id; 4076 4077 /* 4078 * enable_4dmouse() already issued the following ID sequence... 4079 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 4080 int i; 4081 4082 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 4083 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 4084 return (FALSE); 4085 */ 4086 4087 id = get_aux_id(kbdc); 4088 switch (id) { 4089 case PSM_4DPLUS_ID: 4090 break; 4091 case PSM_4DPLUS_RFSW35_ID: 4092 break; 4093 default: 4094 return (FALSE); 4095 } 4096 4097 if (arg == PROBE) { 4098 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 4099 sc->hw.hwid = id; 4100 } 4101 4102 return (TRUE); 4103 } 4104 4105 /* Synaptics Touchpad */ 4106 static int 4107 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 4108 { 4109 int error, arg; 4110 4111 /* Read the current value. */ 4112 arg = *(int *)oidp->oid_arg1; 4113 error = sysctl_handle_int(oidp, &arg, 0, req); 4114 4115 /* Sanity check. */ 4116 if (error || !req->newptr) 4117 return (error); 4118 4119 /* 4120 * Check that the new value is in the concerned node's range 4121 * of values. 4122 */ 4123 switch (oidp->oid_arg2) { 4124 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 4125 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 4126 if (arg < 0 || arg > 255) 4127 return (EINVAL); 4128 break; 4129 case SYNAPTICS_SYSCTL_MAX_WIDTH: 4130 if (arg < 4 || arg > 15) 4131 return (EINVAL); 4132 break; 4133 case SYNAPTICS_SYSCTL_MARGIN_TOP: 4134 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 4135 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 4136 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 4137 case SYNAPTICS_SYSCTL_NA_TOP: 4138 case SYNAPTICS_SYSCTL_NA_RIGHT: 4139 case SYNAPTICS_SYSCTL_NA_BOTTOM: 4140 case SYNAPTICS_SYSCTL_NA_LEFT: 4141 if (arg < 0 || arg > 6143) 4142 return (EINVAL); 4143 break; 4144 case SYNAPTICS_SYSCTL_WINDOW_MIN: 4145 case SYNAPTICS_SYSCTL_WINDOW_MAX: 4146 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 4147 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 4148 return (EINVAL); 4149 break; 4150 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 4151 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 4152 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 4153 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 4154 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 4155 case SYNAPTICS_SYSCTL_DIV_MIN: 4156 case SYNAPTICS_SYSCTL_DIV_MAX: 4157 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 4158 case SYNAPTICS_SYSCTL_DIV_LEN: 4159 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 4160 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 4161 if (arg < 1) 4162 return (EINVAL); 4163 break; 4164 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 4165 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 4166 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 4167 if (arg < 0) 4168 return (EINVAL); 4169 break; 4170 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4171 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4172 if (arg < -6143 || arg > 6143) 4173 return (EINVAL); 4174 break; 4175 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 4176 if (arg < 0 || arg > 1) 4177 return (EINVAL); 4178 break; 4179 default: 4180 return (EINVAL); 4181 } 4182 4183 /* Update. */ 4184 *(int *)oidp->oid_arg1 = arg; 4185 4186 return (error); 4187 } 4188 4189 static void 4190 synaptics_sysctl_create_tree(struct psm_softc *sc) 4191 { 4192 4193 if (sc->syninfo.sysctl_tree != NULL) 4194 return; 4195 4196 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4197 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4198 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4199 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4200 0, "Synaptics TouchPad"); 4201 4202 /* hw.psm.synaptics.directional_scrolls. */ 4203 sc->syninfo.directional_scrolls = 0; 4204 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4205 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4206 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4207 &sc->syninfo.directional_scrolls, 0, 4208 "Enable hardware scrolling pad (if non-zero) or register it as " 4209 "extended buttons (if 0)"); 4210 4211 /* 4212 * Turn off two finger scroll if we have a 4213 * physical area reserved for scrolling or when 4214 * there's no multi finger support. 4215 */ 4216 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 4217 sc->synhw.capAdvancedGestures == 0)) 4218 sc->syninfo.two_finger_scroll = 0; 4219 else 4220 sc->syninfo.two_finger_scroll = 1; 4221 /* hw.psm.synaptics.two_finger_scroll. */ 4222 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4223 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4224 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 4225 &sc->syninfo.two_finger_scroll, 0, 4226 "Enable two finger scrolling"); 4227 4228 /* hw.psm.synaptics.min_pressure. */ 4229 sc->syninfo.min_pressure = 16; 4230 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4231 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4232 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4233 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4234 synaptics_sysctl, "I", 4235 "Minimum pressure required to start an action"); 4236 4237 /* hw.psm.synaptics.max_pressure. */ 4238 sc->syninfo.max_pressure = 220; 4239 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4240 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4241 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4242 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4243 synaptics_sysctl, "I", 4244 "Maximum pressure to detect palm"); 4245 4246 /* hw.psm.synaptics.max_width. */ 4247 sc->syninfo.max_width = 10; 4248 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4249 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4250 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4251 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4252 synaptics_sysctl, "I", 4253 "Maximum finger width to detect palm"); 4254 4255 /* hw.psm.synaptics.top_margin. */ 4256 sc->syninfo.margin_top = 200; 4257 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4258 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4259 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4260 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4261 synaptics_sysctl, "I", 4262 "Top margin"); 4263 4264 /* hw.psm.synaptics.right_margin. */ 4265 sc->syninfo.margin_right = 200; 4266 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4267 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4268 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4269 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4270 synaptics_sysctl, "I", 4271 "Right margin"); 4272 4273 /* hw.psm.synaptics.bottom_margin. */ 4274 sc->syninfo.margin_bottom = 200; 4275 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4276 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4277 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4278 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4279 synaptics_sysctl, "I", 4280 "Bottom margin"); 4281 4282 /* hw.psm.synaptics.left_margin. */ 4283 sc->syninfo.margin_left = 200; 4284 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4285 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4286 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4287 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4288 synaptics_sysctl, "I", 4289 "Left margin"); 4290 4291 /* hw.psm.synaptics.na_top. */ 4292 sc->syninfo.na_top = 1783; 4293 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4294 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4295 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4296 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4297 synaptics_sysctl, "I", 4298 "Top noisy area, where weight_previous_na is used instead " 4299 "of weight_previous"); 4300 4301 /* hw.psm.synaptics.na_right. */ 4302 sc->syninfo.na_right = 563; 4303 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4304 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4305 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4306 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4307 synaptics_sysctl, "I", 4308 "Right noisy area, where weight_previous_na is used instead " 4309 "of weight_previous"); 4310 4311 /* hw.psm.synaptics.na_bottom. */ 4312 sc->syninfo.na_bottom = 1408; 4313 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4314 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4315 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4316 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4317 synaptics_sysctl, "I", 4318 "Bottom noisy area, where weight_previous_na is used instead " 4319 "of weight_previous"); 4320 4321 /* hw.psm.synaptics.na_left. */ 4322 sc->syninfo.na_left = 1600; 4323 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4324 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4325 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4326 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4327 synaptics_sysctl, "I", 4328 "Left noisy area, where weight_previous_na is used instead " 4329 "of weight_previous"); 4330 4331 /* hw.psm.synaptics.window_min. */ 4332 sc->syninfo.window_min = 4; 4333 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4334 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4335 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4336 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4337 synaptics_sysctl, "I", 4338 "Minimum window size to start an action"); 4339 4340 /* hw.psm.synaptics.window_max. */ 4341 sc->syninfo.window_max = 10; 4342 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4343 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4344 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4345 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4346 synaptics_sysctl, "I", 4347 "Maximum window size"); 4348 4349 /* hw.psm.synaptics.multiplicator. */ 4350 sc->syninfo.multiplicator = 10000; 4351 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4352 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4353 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4354 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4355 synaptics_sysctl, "I", 4356 "Multiplicator to increase precision in averages and divisions"); 4357 4358 /* hw.psm.synaptics.weight_current. */ 4359 sc->syninfo.weight_current = 3; 4360 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4361 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4362 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4363 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4364 synaptics_sysctl, "I", 4365 "Weight of the current movement in the new average"); 4366 4367 /* hw.psm.synaptics.weight_previous. */ 4368 sc->syninfo.weight_previous = 6; 4369 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4370 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4371 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4372 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4373 synaptics_sysctl, "I", 4374 "Weight of the previous average"); 4375 4376 /* hw.psm.synaptics.weight_previous_na. */ 4377 sc->syninfo.weight_previous_na = 20; 4378 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4379 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4380 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4381 &sc->syninfo.weight_previous_na, 4382 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4383 synaptics_sysctl, "I", 4384 "Weight of the previous average (inside the noisy area)"); 4385 4386 /* hw.psm.synaptics.weight_len_squared. */ 4387 sc->syninfo.weight_len_squared = 2000; 4388 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4389 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4390 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4391 &sc->syninfo.weight_len_squared, 4392 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4393 synaptics_sysctl, "I", 4394 "Length (squared) of segments where weight_previous " 4395 "starts to decrease"); 4396 4397 /* hw.psm.synaptics.div_min. */ 4398 sc->syninfo.div_min = 9; 4399 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4400 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4401 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4402 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4403 synaptics_sysctl, "I", 4404 "Divisor for fast movements"); 4405 4406 /* hw.psm.synaptics.div_max. */ 4407 sc->syninfo.div_max = 17; 4408 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4409 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4410 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4411 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4412 synaptics_sysctl, "I", 4413 "Divisor for slow movements"); 4414 4415 /* hw.psm.synaptics.div_max_na. */ 4416 sc->syninfo.div_max_na = 30; 4417 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4418 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4419 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4420 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4421 synaptics_sysctl, "I", 4422 "Divisor with slow movements (inside the noisy area)"); 4423 4424 /* hw.psm.synaptics.div_len. */ 4425 sc->syninfo.div_len = 100; 4426 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4427 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4428 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4429 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4430 synaptics_sysctl, "I", 4431 "Length of segments where div_max starts to decrease"); 4432 4433 /* hw.psm.synaptics.tap_max_delta. */ 4434 sc->syninfo.tap_max_delta = 80; 4435 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4436 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4437 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4438 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4439 synaptics_sysctl, "I", 4440 "Length of segments above which a tap is ignored"); 4441 4442 /* hw.psm.synaptics.tap_min_queue. */ 4443 sc->syninfo.tap_min_queue = 2; 4444 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4445 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4446 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4447 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4448 synaptics_sysctl, "I", 4449 "Number of packets required to consider a tap"); 4450 4451 /* hw.psm.synaptics.taphold_timeout. */ 4452 sc->synaction.in_taphold = 0; 4453 sc->syninfo.taphold_timeout = tap_timeout; 4454 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4455 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4456 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4457 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4458 synaptics_sysctl, "I", 4459 "Maximum elapsed time between two taps to consider a tap-hold " 4460 "action"); 4461 4462 /* hw.psm.synaptics.vscroll_hor_area. */ 4463 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4464 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4465 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4466 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4467 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4468 synaptics_sysctl, "I", 4469 "Area reserved for horizontal virtual scrolling"); 4470 4471 /* hw.psm.synaptics.vscroll_ver_area. */ 4472 sc->syninfo.vscroll_ver_area = -600; 4473 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4474 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4475 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4476 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4477 synaptics_sysctl, "I", 4478 "Area reserved for vertical virtual scrolling"); 4479 4480 /* hw.psm.synaptics.vscroll_min_delta. */ 4481 sc->syninfo.vscroll_min_delta = 50; 4482 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4483 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4484 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4485 &sc->syninfo.vscroll_min_delta, 4486 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4487 synaptics_sysctl, "I", 4488 "Minimum movement to consider virtual scrolling"); 4489 4490 /* hw.psm.synaptics.vscroll_div_min. */ 4491 sc->syninfo.vscroll_div_min = 100; 4492 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4493 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4494 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4495 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4496 synaptics_sysctl, "I", 4497 "Divisor for fast scrolling"); 4498 4499 /* hw.psm.synaptics.vscroll_div_min. */ 4500 sc->syninfo.vscroll_div_max = 150; 4501 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4502 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4503 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4504 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4505 synaptics_sysctl, "I", 4506 "Divisor for slow scrolling"); 4507 4508 /* hw.psm.synaptics.touchpad_off. */ 4509 sc->syninfo.touchpad_off = 0; 4510 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4511 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4512 "touchpad_off", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4513 &sc->syninfo.touchpad_off, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 4514 synaptics_sysctl, "I", 4515 "Turn off touchpad"); 4516 } 4517 4518 static int 4519 synaptics_preferred_mode(struct psm_softc *sc) { 4520 int mode_byte; 4521 4522 mode_byte = 0xc0; 4523 4524 /* request wmode where available */ 4525 if (sc->synhw.capExtended) 4526 mode_byte |= 1; 4527 4528 /* 4529 * Disable gesture processing when native packets are requested. This 4530 * enables sending of encapsulated "extended W mode" packets. 4531 */ 4532 if (sc->mode.level == PSM_LEVEL_NATIVE) 4533 mode_byte |= (1 << 2); 4534 4535 return mode_byte; 4536 } 4537 4538 static void 4539 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 4540 mouse_ext_command(sc->kbdc, mode_byte); 4541 4542 /* "Commit" the Set Mode Byte command sent above. */ 4543 set_mouse_sampling_rate(sc->kbdc, 20); 4544 4545 /* 4546 * Enable advanced gestures mode if supported and we are not entering 4547 * passthrough mode. 4548 */ 4549 if (sc->synhw.capAdvancedGestures && !(mode_byte & (1 << 5))) { 4550 mouse_ext_command(sc->kbdc, 3); 4551 set_mouse_sampling_rate(sc->kbdc, 0xc8); 4552 } 4553 } 4554 4555 static int 4556 enable_synaptics(struct psm_softc *sc, enum probearg arg) 4557 { 4558 KBDC kbdc = sc->kbdc; 4559 synapticshw_t synhw; 4560 int status[3]; 4561 int buttons; 4562 4563 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4564 4565 /* 4566 * Just to be on the safe side: this avoids troubles with 4567 * following mouse_ext_command() when the previous command 4568 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4569 * Synaptics Touchpad behaviour. 4570 */ 4571 set_mouse_scaling(kbdc, 1); 4572 4573 /* Identify the Touchpad version. */ 4574 if (mouse_ext_command(kbdc, 0) == 0) 4575 return (FALSE); 4576 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4577 return (FALSE); 4578 if (status[1] != 0x47) 4579 return (FALSE); 4580 4581 bzero(&synhw, sizeof(synhw)); 4582 synhw.infoMinor = status[0]; 4583 synhw.infoMajor = status[2] & 0x0f; 4584 4585 if (verbose >= 2) 4586 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 4587 synhw.infoMinor); 4588 4589 if (synhw.infoMajor < 4) { 4590 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4591 return (FALSE); 4592 } 4593 4594 /* Get the Touchpad model information. */ 4595 if (mouse_ext_command(kbdc, 3) == 0) 4596 return (FALSE); 4597 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4598 return (FALSE); 4599 if ((status[1] & 0x01) != 0) { 4600 printf(" Failed to read model information\n"); 4601 return (FALSE); 4602 } 4603 4604 synhw.infoRot180 = (status[0] & 0x80) != 0; 4605 synhw.infoPortrait = (status[0] & 0x40) != 0; 4606 synhw.infoSensor = status[0] & 0x3f; 4607 synhw.infoHardware = (status[1] & 0xfe) >> 1; 4608 synhw.infoNewAbs = (status[2] & 0x80) != 0; 4609 synhw.capPen = (status[2] & 0x40) != 0; 4610 synhw.infoSimplC = (status[2] & 0x20) != 0; 4611 synhw.infoGeometry = status[2] & 0x0f; 4612 4613 if (verbose >= 2) { 4614 printf(" Model information:\n"); 4615 printf(" infoRot180: %d\n", synhw.infoRot180); 4616 printf(" infoPortrait: %d\n", synhw.infoPortrait); 4617 printf(" infoSensor: %d\n", synhw.infoSensor); 4618 printf(" infoHardware: %d\n", synhw.infoHardware); 4619 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 4620 printf(" capPen: %d\n", synhw.capPen); 4621 printf(" infoSimplC: %d\n", synhw.infoSimplC); 4622 printf(" infoGeometry: %d\n", synhw.infoGeometry); 4623 } 4624 4625 /* Read the extended capability bits. */ 4626 if (mouse_ext_command(kbdc, 2) == 0) 4627 return (FALSE); 4628 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4629 return (FALSE); 4630 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4631 printf(" Failed to read extended capability bits\n"); 4632 return (FALSE); 4633 } 4634 4635 /* Set the different capabilities when they exist. */ 4636 buttons = 0; 4637 synhw.capExtended = (status[0] & 0x80) != 0; 4638 if (synhw.capExtended) { 4639 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 4640 synhw.capMiddle = (status[0] & 0x04) != 0; 4641 synhw.capPassthrough = (status[2] & 0x80) != 0; 4642 synhw.capLowPower = (status[2] & 0x40) != 0; 4643 synhw.capMultiFingerReport = 4644 (status[2] & 0x20) != 0; 4645 synhw.capSleep = (status[2] & 0x10) != 0; 4646 synhw.capFourButtons = (status[2] & 0x08) != 0; 4647 synhw.capBallistics = (status[2] & 0x04) != 0; 4648 synhw.capMultiFinger = (status[2] & 0x02) != 0; 4649 synhw.capPalmDetect = (status[2] & 0x01) != 0; 4650 4651 if (!set_mouse_scaling(kbdc, 1)) 4652 return (FALSE); 4653 if (mouse_ext_command(kbdc, 0x08) == 0) 4654 return (FALSE); 4655 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4656 return (FALSE); 4657 4658 synhw.infoXupmm = status[0]; 4659 synhw.infoYupmm = status[2]; 4660 4661 if (verbose >= 2) { 4662 printf(" Extended capabilities:\n"); 4663 printf(" capExtended: %d\n", synhw.capExtended); 4664 printf(" capMiddle: %d\n", synhw.capMiddle); 4665 printf(" nExtendedQueries: %d\n", 4666 synhw.nExtendedQueries); 4667 printf(" capPassthrough: %d\n", synhw.capPassthrough); 4668 printf(" capLowPower: %d\n", synhw.capLowPower); 4669 printf(" capMultiFingerReport: %d\n", 4670 synhw.capMultiFingerReport); 4671 printf(" capSleep: %d\n", synhw.capSleep); 4672 printf(" capFourButtons: %d\n", synhw.capFourButtons); 4673 printf(" capBallistics: %d\n", synhw.capBallistics); 4674 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 4675 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 4676 printf(" infoXupmm: %d\n", synhw.infoXupmm); 4677 printf(" infoYupmm: %d\n", synhw.infoYupmm); 4678 } 4679 4680 /* 4681 * If nExtendedQueries is 1 or greater, then the TouchPad 4682 * supports this number of extended queries. We can load 4683 * more information about buttons using query 0x09. 4684 */ 4685 if (synhw.nExtendedQueries >= 1) { 4686 if (!set_mouse_scaling(kbdc, 1)) 4687 return (FALSE); 4688 if (mouse_ext_command(kbdc, 0x09) == 0) 4689 return (FALSE); 4690 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4691 return (FALSE); 4692 synhw.verticalScroll = (status[0] & 0x01) != 0; 4693 synhw.horizontalScroll = (status[0] & 0x02) != 0; 4694 synhw.verticalWheel = (status[0] & 0x08) != 0; 4695 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 4696 synhw.capEWmode = (status[0] & 0x04) != 0; 4697 if (verbose >= 2) { 4698 printf(" Extended model ID:\n"); 4699 printf(" verticalScroll: %d\n", 4700 synhw.verticalScroll); 4701 printf(" horizontalScroll: %d\n", 4702 synhw.horizontalScroll); 4703 printf(" verticalWheel: %d\n", 4704 synhw.verticalWheel); 4705 printf(" nExtendedButtons: %d\n", 4706 synhw.nExtendedButtons); 4707 printf(" capEWmode: %d\n", 4708 synhw.capEWmode); 4709 } 4710 /* 4711 * Add the number of extended buttons to the total 4712 * button support count, including the middle button 4713 * if capMiddle support bit is set. 4714 */ 4715 buttons = synhw.nExtendedButtons + synhw.capMiddle; 4716 } else 4717 /* 4718 * If the capFourButtons support bit is set, 4719 * add a fourth button to the total button count. 4720 */ 4721 buttons = synhw.capFourButtons ? 1 : 0; 4722 4723 /* Read the continued capabilities bits. */ 4724 if (synhw.nExtendedQueries >= 4) { 4725 if (!set_mouse_scaling(kbdc, 1)) 4726 return (FALSE); 4727 if (mouse_ext_command(kbdc, 0x0c) == 0) 4728 return (FALSE); 4729 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4730 return (FALSE); 4731 4732 synhw.capClickPad = (status[1] & 0x01) << 1; 4733 synhw.capClickPad |= (status[0] & 0x10) != 0; 4734 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 4735 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 4736 synhw.capReportsV = (status[1] & 0x08) != 0; 4737 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 4738 synhw.capReportsMin = (status[1] & 0x20) != 0; 4739 synhw.capInterTouch = (status[1] & 0x40) != 0; 4740 synhw.capReportsMax = (status[0] & 0x02) != 0; 4741 synhw.capClearPad = (status[0] & 0x04) != 0; 4742 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 4743 synhw.capCoveredPad = (status[0] & 0x80) != 0; 4744 4745 if (synhw.capReportsMax) { 4746 if (!set_mouse_scaling(kbdc, 1)) 4747 return (FALSE); 4748 if (mouse_ext_command(kbdc, 0x0d) == 0) 4749 return (FALSE); 4750 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4751 return (FALSE); 4752 4753 synhw.maximumXCoord = (status[0] << 5) | 4754 ((status[1] & 0x0f) << 1); 4755 synhw.maximumYCoord = (status[2] << 5) | 4756 ((status[1] & 0xf0) >> 3); 4757 } 4758 if (synhw.capReportsMin) { 4759 if (!set_mouse_scaling(kbdc, 1)) 4760 return (FALSE); 4761 if (mouse_ext_command(kbdc, 0x0f) == 0) 4762 return (FALSE); 4763 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4764 return (FALSE); 4765 4766 synhw.minimumXCoord = (status[0] << 5) | 4767 ((status[1] & 0x0f) << 1); 4768 synhw.minimumYCoord = (status[2] << 5) | 4769 ((status[1] & 0xf0) >> 3); 4770 } 4771 4772 if (verbose >= 2) { 4773 printf(" Continued capabilities:\n"); 4774 printf(" capClickPad: %d\n", 4775 synhw.capClickPad); 4776 printf(" capDeluxeLEDs: %d\n", 4777 synhw.capDeluxeLEDs); 4778 printf(" noAbsoluteFilter: %d\n", 4779 synhw.noAbsoluteFilter); 4780 printf(" capReportsV: %d\n", 4781 synhw.capReportsV); 4782 printf(" capUniformClickPad: %d\n", 4783 synhw.capUniformClickPad); 4784 printf(" capReportsMin: %d\n", 4785 synhw.capReportsMin); 4786 printf(" capInterTouch: %d\n", 4787 synhw.capInterTouch); 4788 printf(" capReportsMax: %d\n", 4789 synhw.capReportsMax); 4790 printf(" capClearPad: %d\n", 4791 synhw.capClearPad); 4792 printf(" capAdvancedGestures: %d\n", 4793 synhw.capAdvancedGestures); 4794 printf(" capCoveredPad: %d\n", 4795 synhw.capCoveredPad); 4796 if (synhw.capReportsMax) { 4797 printf(" maximumXCoord: %d\n", 4798 synhw.maximumXCoord); 4799 printf(" maximumYCoord: %d\n", 4800 synhw.maximumYCoord); 4801 } 4802 if (synhw.capReportsMin) { 4803 printf(" minimumXCoord: %d\n", 4804 synhw.minimumXCoord); 4805 printf(" minimumYCoord: %d\n", 4806 synhw.minimumYCoord); 4807 } 4808 } 4809 buttons += synhw.capClickPad; 4810 } 4811 } 4812 4813 if (verbose >= 2) { 4814 if (synhw.capExtended) 4815 printf(" Additional Buttons: %d\n", buttons); 4816 else 4817 printf(" No extended capabilities\n"); 4818 } 4819 4820 /* 4821 * Add the default number of 3 buttons to the total 4822 * count of supported buttons reported above. 4823 */ 4824 buttons += 3; 4825 4826 /* 4827 * Read the mode byte. 4828 * 4829 * XXX: Note the Synaptics documentation also defines the first 4830 * byte of the response to this query to be a constant 0x3b, this 4831 * does not appear to be true for Touchpads with guest devices. 4832 */ 4833 if (mouse_ext_command(kbdc, 1) == 0) 4834 return (FALSE); 4835 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4836 return (FALSE); 4837 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4838 printf(" Failed to read mode byte\n"); 4839 return (FALSE); 4840 } 4841 4842 if (arg == PROBE) 4843 sc->synhw = synhw; 4844 if (!synaptics_support) 4845 return (FALSE); 4846 4847 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 4848 4849 if (trackpoint_support && synhw.capPassthrough) { 4850 enable_trackpoint(sc, arg); 4851 } 4852 4853 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 4854 4855 if (arg == PROBE) { 4856 /* Create sysctl tree. */ 4857 synaptics_sysctl_create_tree(sc); 4858 sc->hw.buttons = buttons; 4859 } 4860 4861 return (TRUE); 4862 } 4863 4864 static void 4865 synaptics_passthrough_on(struct psm_softc *sc) 4866 { 4867 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 4868 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 4869 } 4870 4871 static void 4872 synaptics_passthrough_off(struct psm_softc *sc) 4873 { 4874 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 4875 set_mouse_scaling(sc->kbdc, 2); 4876 set_mouse_scaling(sc->kbdc, 1); 4877 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 4878 } 4879 4880 /* IBM/Lenovo TrackPoint */ 4881 static int 4882 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 4883 { 4884 const int seq[] = { 0xe2, cmd, loc, val }; 4885 int i; 4886 4887 if (sc->synhw.capPassthrough) 4888 synaptics_passthrough_on(sc); 4889 4890 for (i = 0; i < nitems(seq); i++) { 4891 if (sc->synhw.capPassthrough && 4892 (seq[i] == 0xff || seq[i] == 0xe7)) 4893 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 4894 synaptics_passthrough_off(sc); 4895 return (EIO); 4896 } 4897 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 4898 if (sc->synhw.capPassthrough) 4899 synaptics_passthrough_off(sc); 4900 return (EIO); 4901 } 4902 } 4903 4904 if (sc->synhw.capPassthrough) 4905 synaptics_passthrough_off(sc); 4906 4907 return (0); 4908 } 4909 4910 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 4911 #define TPMASK 0 4912 #define TPLOC 1 4913 #define TPINFO 2 4914 4915 static int 4916 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 4917 { 4918 static const int data[][3] = { 4919 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 4920 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 4921 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 4922 { 0x00, 0x57, PSM_TPINFO(reach) }, 4923 { 0x00, 0x58, PSM_TPINFO(draghys) }, 4924 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 4925 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 4926 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 4927 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 4928 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 4929 { 0x01, 0x2c, PSM_TPINFO(pts) }, 4930 { 0x08, 0x2d, PSM_TPINFO(skipback) } 4931 }; 4932 struct psm_softc *sc; 4933 int error, newval, *oldvalp; 4934 const int *tp; 4935 4936 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 4937 return (EINVAL); 4938 sc = arg1; 4939 tp = data[arg2]; 4940 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 4941 newval = *oldvalp; 4942 error = sysctl_handle_int(oidp, &newval, 0, req); 4943 if (error != 0) 4944 return (error); 4945 if (newval == *oldvalp) 4946 return (0); 4947 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 4948 return (EINVAL); 4949 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 4950 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 4951 if (error != 0) 4952 return (error); 4953 *oldvalp = newval; 4954 4955 return (0); 4956 } 4957 4958 static void 4959 trackpoint_sysctl_create_tree(struct psm_softc *sc) 4960 { 4961 4962 if (sc->tpinfo.sysctl_tree != NULL) 4963 return; 4964 4965 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 4966 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 4967 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 4968 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 4969 0, "IBM/Lenovo TrackPoint"); 4970 4971 /* hw.psm.trackpoint.sensitivity */ 4972 sc->tpinfo.sensitivity = 0x80; 4973 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4974 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4975 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4976 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 4977 trackpoint_sysctl, "I", 4978 "Sensitivity"); 4979 4980 /* hw.psm.trackpoint.negative_inertia */ 4981 sc->tpinfo.inertia = 0x06; 4982 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4983 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4984 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4985 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 4986 trackpoint_sysctl, "I", 4987 "Negative inertia factor"); 4988 4989 /* hw.psm.trackpoint.upper_plateau */ 4990 sc->tpinfo.uplateau = 0x61; 4991 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4992 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4993 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4994 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 4995 trackpoint_sysctl, "I", 4996 "Transfer function upper plateau speed"); 4997 4998 /* hw.psm.trackpoint.backup_range */ 4999 sc->tpinfo.reach = 0x0a; 5000 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5001 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5002 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5003 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 5004 trackpoint_sysctl, "I", 5005 "Backup range"); 5006 5007 /* hw.psm.trackpoint.drag_hysteresis */ 5008 sc->tpinfo.draghys = 0xff; 5009 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5010 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5011 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5012 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 5013 trackpoint_sysctl, "I", 5014 "Drag hysteresis"); 5015 5016 /* hw.psm.trackpoint.minimum_drag */ 5017 sc->tpinfo.mindrag = 0x14; 5018 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5019 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5020 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5021 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 5022 trackpoint_sysctl, "I", 5023 "Minimum drag"); 5024 5025 /* hw.psm.trackpoint.up_threshold */ 5026 sc->tpinfo.upthresh = 0xff; 5027 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5028 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5029 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5030 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 5031 trackpoint_sysctl, "I", 5032 "Up threshold for release"); 5033 5034 /* hw.psm.trackpoint.threshold */ 5035 sc->tpinfo.threshold = 0x08; 5036 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5037 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5038 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5039 sc, TRACKPOINT_SYSCTL_THRESHOLD, 5040 trackpoint_sysctl, "I", 5041 "Threshold"); 5042 5043 /* hw.psm.trackpoint.jenks_curvature */ 5044 sc->tpinfo.jenks = 0x87; 5045 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5046 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5047 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5048 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 5049 trackpoint_sysctl, "I", 5050 "Jenks curvature"); 5051 5052 /* hw.psm.trackpoint.z_time */ 5053 sc->tpinfo.ztime = 0x26; 5054 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5055 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5056 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5057 sc, TRACKPOINT_SYSCTL_Z_TIME, 5058 trackpoint_sysctl, "I", 5059 "Z time constant"); 5060 5061 /* hw.psm.trackpoint.press_to_select */ 5062 sc->tpinfo.pts = 0x00; 5063 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5064 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5065 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5066 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 5067 trackpoint_sysctl, "I", 5068 "Press to Select"); 5069 5070 /* hw.psm.trackpoint.skip_backups */ 5071 sc->tpinfo.skipback = 0x00; 5072 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 5073 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 5074 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5075 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 5076 trackpoint_sysctl, "I", 5077 "Skip backups from drags"); 5078 } 5079 5080 static void 5081 set_trackpoint_parameters(struct psm_softc *sc) 5082 { 5083 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 5084 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 5085 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 5086 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 5087 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 5088 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 5089 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 5090 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 5091 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 5092 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 5093 if (sc->tpinfo.pts == 0x01) 5094 trackpoint_command(sc, 0x47, 0x2c, 0x01); 5095 if (sc->tpinfo.skipback == 0x01) 5096 trackpoint_command(sc, 0x47, 0x2d, 0x08); 5097 } 5098 5099 static int 5100 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 5101 { 5102 KBDC kbdc = sc->kbdc; 5103 int id; 5104 5105 /* 5106 * If called from enable_synaptics(), make sure that passthrough 5107 * mode is enabled so we can reach the trackpoint. 5108 * However, passthrough mode must be disabled before setting the 5109 * trackpoint parameters, as rackpoint_command() enables and disables 5110 * passthrough mode on its own. 5111 */ 5112 if (sc->synhw.capPassthrough) 5113 synaptics_passthrough_on(sc); 5114 5115 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 5116 read_aux_data(kbdc) != 0x01) 5117 goto no_trackpoint; 5118 id = read_aux_data(kbdc); 5119 if (id < 0x01) 5120 goto no_trackpoint; 5121 if (arg == PROBE) 5122 sc->tphw = id; 5123 if (!trackpoint_support) 5124 goto no_trackpoint; 5125 5126 if (sc->synhw.capPassthrough) 5127 synaptics_passthrough_off(sc); 5128 5129 if (arg == PROBE) { 5130 trackpoint_sysctl_create_tree(sc); 5131 /* 5132 * Don't overwrite hwid and buttons when we are 5133 * a guest device. 5134 */ 5135 if (!sc->synhw.capPassthrough) { 5136 sc->hw.hwid = id; 5137 sc->hw.buttons = 3; 5138 } 5139 } 5140 5141 set_trackpoint_parameters(sc); 5142 5143 return (TRUE); 5144 5145 no_trackpoint: 5146 if (sc->synhw.capPassthrough) 5147 synaptics_passthrough_off(sc); 5148 5149 return (FALSE); 5150 } 5151 5152 /* Interlink electronics VersaPad */ 5153 static int 5154 enable_versapad(struct psm_softc *sc, enum probearg arg) 5155 { 5156 KBDC kbdc = sc->kbdc; 5157 int data[3]; 5158 5159 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 5160 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 5161 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5162 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5163 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5164 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5165 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 5166 return (FALSE); 5167 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 5168 return (FALSE); 5169 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5170 5171 return (TRUE); /* PS/2 absolute mode */ 5172 } 5173 5174 /* 5175 * Return true if 'now' is earlier than (start + (secs.usecs)). 5176 * Now may be NULL and the function will fetch the current time from 5177 * getmicrouptime(), or a cached 'now' can be passed in. 5178 * All values should be numbers derived from getmicrouptime(). 5179 */ 5180 static int 5181 timeelapsed(start, secs, usecs, now) 5182 const struct timeval *start, *now; 5183 int secs, usecs; 5184 { 5185 struct timeval snow, tv; 5186 5187 /* if there is no 'now' passed in, the get it as a convience. */ 5188 if (now == NULL) { 5189 getmicrouptime(&snow); 5190 now = &snow; 5191 } 5192 5193 tv.tv_sec = secs; 5194 tv.tv_usec = usecs; 5195 timevaladd(&tv, start); 5196 return (timevalcmp(&tv, now, <)); 5197 } 5198 5199 static int 5200 psmresume(device_t dev) 5201 { 5202 struct psm_softc *sc = device_get_softc(dev); 5203 int unit = device_get_unit(dev); 5204 int err; 5205 5206 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 5207 5208 if ((sc->config & 5209 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 5210 return (0); 5211 5212 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 5213 5214 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 5215 /* 5216 * Release the blocked process; it must be notified that 5217 * the device cannot be accessed anymore. 5218 */ 5219 sc->state &= ~PSM_ASLP; 5220 wakeup(sc); 5221 } 5222 5223 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 5224 5225 return (err); 5226 } 5227 5228 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 5229 5230 #ifdef DEV_ISA 5231 5232 /* 5233 * This sucks up assignments from PNPBIOS and ACPI. 5234 */ 5235 5236 /* 5237 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 5238 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 5239 * can be probed and attached only after the AT keyboard controller is 5240 * attached, we shall quietly reserve the IRQ resource for later use. 5241 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 5242 * copy the IRQ resource to the PS/2 mouse device instance hanging 5243 * under the keyboard controller, then probe and attach it. 5244 */ 5245 5246 static devclass_t psmcpnp_devclass; 5247 5248 static device_probe_t psmcpnp_probe; 5249 static device_attach_t psmcpnp_attach; 5250 5251 static device_method_t psmcpnp_methods[] = { 5252 DEVMETHOD(device_probe, psmcpnp_probe), 5253 DEVMETHOD(device_attach, psmcpnp_attach), 5254 5255 { 0, 0 } 5256 }; 5257 5258 static driver_t psmcpnp_driver = { 5259 PSMCPNP_DRIVER_NAME, 5260 psmcpnp_methods, 5261 1, /* no softc */ 5262 }; 5263 5264 static struct isa_pnp_id psmcpnp_ids[] = { 5265 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 5266 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 5267 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 5268 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 5269 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 5270 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 5271 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 5272 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 5273 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 5274 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 5275 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 5276 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 5277 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 5278 { 0 } 5279 }; 5280 5281 static int 5282 create_a_copy(device_t atkbdc, device_t me) 5283 { 5284 device_t psm; 5285 u_long irq; 5286 5287 /* find the PS/2 mouse device instance under the keyboard controller */ 5288 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 5289 device_get_unit(atkbdc)); 5290 if (psm == NULL) 5291 return (ENXIO); 5292 if (device_get_state(psm) != DS_NOTPRESENT) 5293 return (0); 5294 5295 /* move our resource to the found device */ 5296 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 5297 bus_delete_resource(me, SYS_RES_IRQ, 0); 5298 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 5299 5300 /* ...then probe and attach it */ 5301 return (device_probe_and_attach(psm)); 5302 } 5303 5304 static int 5305 psmcpnp_probe(device_t dev) 5306 { 5307 struct resource *res; 5308 u_long irq; 5309 int rid; 5310 5311 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 5312 return (ENXIO); 5313 5314 /* 5315 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 5316 * to the PS/2 mouse device node. But, some buggy PnP BIOS 5317 * declares the PS/2 mouse device node without an IRQ resource! 5318 * If this happens, we shall refer to device hints. 5319 * If we still don't find it there, use a hardcoded value... XXX 5320 */ 5321 rid = 0; 5322 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 5323 if (irq <= 0) { 5324 if (resource_long_value(PSM_DRIVER_NAME, 5325 device_get_unit(dev),"irq", &irq) != 0) 5326 irq = 12; /* XXX */ 5327 device_printf(dev, "irq resource info is missing; " 5328 "assuming irq %ld\n", irq); 5329 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 5330 } 5331 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 5332 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 5333 5334 /* keep quiet */ 5335 if (!bootverbose) 5336 device_quiet(dev); 5337 5338 return ((res == NULL) ? ENXIO : 0); 5339 } 5340 5341 static int 5342 psmcpnp_attach(device_t dev) 5343 { 5344 device_t atkbdc; 5345 5346 /* find the keyboard controller, which may be on acpi* or isa* bus */ 5347 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 5348 device_get_unit(dev)); 5349 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 5350 create_a_copy(atkbdc, dev); 5351 5352 return (0); 5353 } 5354 5355 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 5356 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 5357 5358 #endif /* DEV_ISA */ 5359