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 #include "opt_evdev.h" 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/kernel.h> 71 #include <sys/module.h> 72 #include <sys/bus.h> 73 #include <sys/conf.h> 74 #include <sys/filio.h> 75 #include <sys/mutex.h> 76 #include <sys/poll.h> 77 #include <sys/sigio.h> 78 #include <sys/signalvar.h> 79 #include <sys/syslog.h> 80 #include <machine/bus.h> 81 #include <sys/rman.h> 82 #include <sys/selinfo.h> 83 #include <sys/sysctl.h> 84 #include <sys/time.h> 85 #include <sys/uio.h> 86 87 #include <sys/limits.h> 88 #include <sys/mouse.h> 89 #include <machine/resource.h> 90 91 #ifdef DEV_ISA 92 #include <isa/isavar.h> 93 #endif 94 95 #ifdef EVDEV_SUPPORT 96 #include <dev/evdev/evdev.h> 97 #include <dev/evdev/input.h> 98 #endif 99 100 #include <dev/atkbdc/atkbdcreg.h> 101 #include <dev/atkbdc/psm.h> 102 103 /* 104 * Driver specific options: the following options may be set by 105 * `options' statements in the kernel configuration file. 106 */ 107 108 /* debugging */ 109 #ifndef PSM_DEBUG 110 #define PSM_DEBUG 0 /* 111 * logging: 0: none, 1: brief, 2: verbose 112 * 3: sync errors, 4: all packets 113 */ 114 #endif 115 #define VLOG(level, args) do { \ 116 if (verbose >= level) \ 117 log args; \ 118 } while (0) 119 #define VDLOG(level, ...) do { \ 120 if (verbose >= level) \ 121 device_log(__VA_ARGS__); \ 122 } while (0) 123 124 #ifndef PSM_INPUT_TIMEOUT 125 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 126 #endif 127 128 #ifndef PSM_TAP_TIMEOUT 129 #define PSM_TAP_TIMEOUT 125000 130 #endif 131 132 #ifndef PSM_TAP_THRESHOLD 133 #define PSM_TAP_THRESHOLD 25 134 #endif 135 136 /* end of driver specific options */ 137 138 #define PSMCPNP_DRIVER_NAME "psmcpnp" 139 140 struct psmcpnp_softc { 141 enum { 142 PSMCPNP_GENERIC, 143 PSMCPNP_FORCEPAD, 144 PSMCPNP_TOPBUTTONPAD, 145 } type; /* Based on PnP ID */ 146 }; 147 148 /* input queue */ 149 #define PSM_BUFSIZE 960 150 #define PSM_SMALLBUFSIZE 240 151 152 /* operation levels */ 153 #define PSM_LEVEL_BASE 0 154 #define PSM_LEVEL_STANDARD 1 155 #define PSM_LEVEL_NATIVE 2 156 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 157 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 158 159 /* Active PS/2 multiplexing */ 160 #define PSM_NOMUX (-1) 161 162 /* Logitech PS2++ protocol */ 163 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 164 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 165 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 166 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 167 168 /* ring buffer */ 169 typedef struct ringbuf { 170 int count; /* # of valid elements in the buffer */ 171 int head; /* head pointer */ 172 int tail; /* tail poiner */ 173 u_char buf[PSM_BUFSIZE]; 174 } ringbuf_t; 175 176 /* data buffer */ 177 typedef struct packetbuf { 178 u_char ipacket[16]; /* interim input buffer */ 179 int inputbytes; /* # of bytes in the input buffer */ 180 } packetbuf_t; 181 182 #ifndef PSM_PACKETQUEUE 183 #define PSM_PACKETQUEUE 128 184 #endif 185 186 /* 187 * Synaptics command definitions. 188 */ 189 #define SYNAPTICS_READ_IDENTITY 0x00 190 #define SYNAPTICS_READ_MODES 0x01 191 #define SYNAPTICS_READ_CAPABILITIES 0x02 192 #define SYNAPTICS_READ_MODEL_ID 0x03 193 #define SYNAPTICS_READ_SERIAL_PREFIX 0x06 194 #define SYNAPTICS_READ_SERIAL_SUFFIX 0x07 195 #define SYNAPTICS_READ_RESOLUTIONS 0x08 196 #define SYNAPTICS_READ_EXTENDED 0x09 197 #define SYNAPTICS_READ_CAPABILITIES_CONT 0x0c 198 #define SYNAPTICS_READ_MAX_COORDS 0x0d 199 #define SYNAPTICS_READ_DELUXE_LED 0x0e 200 #define SYNAPTICS_READ_MIN_COORDS 0x0f 201 202 typedef struct synapticsinfo { 203 struct sysctl_ctx_list sysctl_ctx; 204 struct sysctl_oid *sysctl_tree; 205 int directional_scrolls; 206 int two_finger_scroll; 207 int min_pressure; 208 int max_pressure; 209 int max_width; 210 int margin_top; 211 int margin_right; 212 int margin_bottom; 213 int margin_left; 214 int na_top; 215 int na_right; 216 int na_bottom; 217 int na_left; 218 int window_min; 219 int window_max; 220 int multiplicator; 221 int weight_current; 222 int weight_previous; 223 int weight_previous_na; 224 int weight_len_squared; 225 int div_min; 226 int div_max; 227 int div_max_na; 228 int div_len; 229 int tap_max_delta; 230 int tap_min_queue; 231 int taphold_timeout; 232 int vscroll_ver_area; 233 int vscroll_hor_area; 234 int vscroll_min_delta; 235 int vscroll_div_min; 236 int vscroll_div_max; 237 int touchpad_off; 238 int softbuttons_y; 239 int softbutton2_x; 240 int softbutton3_x; 241 int max_x; 242 int max_y; 243 int three_finger_drag; 244 int natural_scroll; 245 } synapticsinfo_t; 246 247 typedef struct synapticspacket { 248 int x; 249 int y; 250 } synapticspacket_t; 251 252 #define SYNAPTICS_PACKETQUEUE 10 253 #define SYNAPTICS_QUEUE_CURSOR(x) \ 254 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 255 256 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 257 ((synhw).infoMajor > (major) || \ 258 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 259 260 typedef struct smoother { 261 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 262 int queue_len; 263 int queue_cursor; 264 int start_x; 265 int start_y; 266 int avg_dx; 267 int avg_dy; 268 int squelch_x; 269 int squelch_y; 270 int is_fuzzy; 271 int active; 272 } smoother_t; 273 274 typedef struct gesture { 275 int window_min; 276 int fingers_nb; 277 int tap_button; 278 int in_taphold; 279 int in_vscroll; 280 int zmax; /* maximum pressure value */ 281 struct timeval taptimeout; /* tap timeout for touchpads */ 282 } gesture_t; 283 284 enum { 285 TRACKPOINT_SYSCTL_SENSITIVITY, 286 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 287 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 288 TRACKPOINT_SYSCTL_BACKUP_RANGE, 289 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 290 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 291 TRACKPOINT_SYSCTL_UP_THRESHOLD, 292 TRACKPOINT_SYSCTL_THRESHOLD, 293 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 294 TRACKPOINT_SYSCTL_Z_TIME, 295 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 296 TRACKPOINT_SYSCTL_SKIP_BACKUPS 297 }; 298 299 typedef struct trackpointinfo { 300 struct sysctl_ctx_list sysctl_ctx; 301 struct sysctl_oid *sysctl_tree; 302 int sensitivity; 303 int inertia; 304 int uplateau; 305 int reach; 306 int draghys; 307 int mindrag; 308 int upthresh; 309 int threshold; 310 int jenks; 311 int ztime; 312 int pts; 313 int skipback; 314 } trackpointinfo_t; 315 316 typedef struct finger { 317 int x; 318 int y; 319 int p; 320 int w; 321 int flags; 322 } finger_t; 323 #define PSM_FINGERS 2 /* # of processed fingers */ 324 #define PSM_FINGER_IS_PEN (1<<0) 325 #define PSM_FINGER_FUZZY (1<<1) 326 #define PSM_FINGER_DEFAULT_P tap_threshold 327 #define PSM_FINGER_DEFAULT_W 1 328 #define PSM_FINGER_IS_SET(f) ((f).x != -1 && (f).y != -1 && (f).p != 0) 329 #define PSM_FINGER_RESET(f) do { \ 330 (f) = (finger_t) { .x = -1, .y = -1, .p = 0, .w = 0, .flags = 0 }; \ 331 } while (0) 332 333 typedef struct elantechhw { 334 int hwversion; 335 int fwversion; 336 int sizex; 337 int sizey; 338 int dpmmx; 339 int dpmmy; 340 int ntracesx; 341 int ntracesy; 342 int dptracex; 343 int dptracey; 344 int issemimt; 345 int isclickpad; 346 int hascrc; 347 int hastrackpoint; 348 int haspressure; 349 } elantechhw_t; 350 351 /* minimum versions supported by this driver */ 352 #define ELANTECH_HW_IS_V1(fwver) ((fwver) < 0x020030 || (fwver) == 0x020600) 353 354 #define ELANTECH_MAGIC(magic) \ 355 ((magic)[0] == 0x3c && (magic)[1] == 0x03 && \ 356 ((magic)[2] == 0xc8 || (magic)[2] == 0x00)) 357 358 #define ELANTECH_FW_ID 0x00 359 #define ELANTECH_FW_VERSION 0x01 360 #define ELANTECH_CAPABILITIES 0x02 361 #define ELANTECH_SAMPLE 0x03 362 #define ELANTECH_RESOLUTION 0x04 363 #define ELANTECH_REG_READ 0x10 364 #define ELANTECH_REG_WRITE 0x11 365 #define ELANTECH_REG_RDWR 0x00 366 #define ELANTECH_CUSTOM_CMD 0xf8 367 368 #ifdef EVDEV_SUPPORT 369 #define ELANTECH_MAX_FINGERS 5 370 #else 371 #define ELANTECH_MAX_FINGERS PSM_FINGERS 372 #endif 373 374 #define ELANTECH_FINGER_MAX_P 255 375 #define ELANTECH_FINGER_MAX_W 15 376 #define ELANTECH_FINGER_SET_XYP(pb) (finger_t) { \ 377 .x = (((pb)->ipacket[1] & 0x0f) << 8) | (pb)->ipacket[2], \ 378 .y = (((pb)->ipacket[4] & 0x0f) << 8) | (pb)->ipacket[5], \ 379 .p = ((pb)->ipacket[1] & 0xf0) | (((pb)->ipacket[4] >> 4) & 0x0f), \ 380 .w = PSM_FINGER_DEFAULT_W, \ 381 .flags = 0 \ 382 } 383 384 enum { 385 ELANTECH_PKT_NOP, 386 ELANTECH_PKT_TRACKPOINT, 387 ELANTECH_PKT_V2_COMMON, 388 ELANTECH_PKT_V2_2FINGER, 389 ELANTECH_PKT_V3, 390 ELANTECH_PKT_V4_STATUS, 391 ELANTECH_PKT_V4_HEAD, 392 ELANTECH_PKT_V4_MOTION 393 }; 394 395 #define ELANTECH_PKT_IS_TRACKPOINT(pb) (((pb)->ipacket[3] & 0x0f) == 0x06) 396 #define ELANTECH_PKT_IS_DEBOUNCE(pb, hwversion) ((hwversion) == 4 ? 0 : \ 397 (pb)->ipacket[0] == ((hwversion) == 2 ? 0x84 : 0xc4) && \ 398 (pb)->ipacket[1] == 0xff && (pb)->ipacket[2] == 0xff && \ 399 (pb)->ipacket[3] == 0x02 && (pb)->ipacket[4] == 0xff && \ 400 (pb)->ipacket[5] == 0xff) 401 #define ELANTECH_PKT_IS_V2(pb) \ 402 (((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x0f) == 0x02) 403 #define ELANTECH_PKT_IS_V3_HEAD(pb, hascrc) ((hascrc) ? \ 404 ((pb)->ipacket[3] & 0x09) == 0x08 : \ 405 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0xcf) == 0x02) 406 #define ELANTECH_PKT_IS_V3_TAIL(pb, hascrc) ((hascrc) ? \ 407 ((pb)->ipacket[3] & 0x09) == 0x09 : \ 408 ((pb)->ipacket[0] & 0x0c) == 0x0c && ((pb)->ipacket[3] & 0xce) == 0x0c) 409 #define ELANTECH_PKT_IS_V4(pb, hascrc) ((hascrc) ? \ 410 ((pb)->ipacket[3] & 0x08) == 0x00 : \ 411 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x1c) == 0x10) 412 413 typedef struct elantechaction { 414 finger_t fingers[ELANTECH_MAX_FINGERS]; 415 int mask; 416 int mask_v4wait; 417 } elantechaction_t; 418 419 /* driver control block */ 420 struct psm_softc { /* Driver status information */ 421 device_t dev; 422 struct selinfo rsel; /* Process selecting for Input */ 423 u_char state; /* Mouse driver state */ 424 int config; /* driver configuration flags */ 425 int flags; /* other flags */ 426 KBDC kbdc; /* handle to access kbd controller */ 427 struct resource *intr; /* IRQ resource */ 428 void *ih; /* interrupt handle */ 429 mousehw_t hw; /* hardware information */ 430 synapticshw_t synhw; /* Synaptics hardware information */ 431 synapticsinfo_t syninfo; /* Synaptics configuration */ 432 smoother_t smoother[PSM_FINGERS]; /* Motion smoothing */ 433 gesture_t gesture; /* Gesture context */ 434 elantechhw_t elanhw; /* Elantech hardware information */ 435 elantechaction_t elanaction; /* Elantech action context */ 436 int tphw; /* TrackPoint hardware information */ 437 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 438 mousemode_t mode; /* operation mode */ 439 mousemode_t dflt_mode; /* default operation mode */ 440 mousestatus_t status; /* accumulated mouse movement */ 441 ringbuf_t queue; /* mouse status queue */ 442 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 443 int pqueue_start; /* start of data in queue */ 444 int pqueue_end; /* end of data in queue */ 445 int button; /* the latest button state */ 446 int xold; /* previous absolute X position */ 447 int yold; /* previous absolute Y position */ 448 int xaverage; /* average X position */ 449 int yaverage; /* average Y position */ 450 int squelch; /* level to filter movement at low speed */ 451 int syncerrors; /* # of bytes discarded to synchronize */ 452 int pkterrors; /* # of packets failed during quaranteen. */ 453 int fpcount; /* forcePad valid packet counter */ 454 struct timeval inputtimeout; 455 struct timeval lastsoftintr; /* time of last soft interrupt */ 456 struct timeval lastinputerr; /* time last sync error happened */ 457 struct timeval idletimeout; 458 packetbuf_t idlepacket; /* packet to send after idle timeout */ 459 int watchdog; /* watchdog timer flag */ 460 struct callout callout; /* watchdog timer call out */ 461 struct callout softcallout; /* buffer timer call out */ 462 struct cdev *cdev; 463 struct cdev *bdev; 464 int lasterr; 465 int cmdcount; 466 struct sigio *async; /* Processes waiting for SIGIO */ 467 int extended_buttons; 468 int muxport; /* MUX port with attached Synaptics */ 469 u_char muxsave[3]; /* 3->6 byte proto conversion buffer */ 470 int muxtpbuttons; /* Touchpad button state */ 471 int muxmsbuttons; /* Mouse (trackpoint) button state */ 472 struct timeval muxmidtimeout; /* middle button supression timeout */ 473 int muxsinglesyna; /* Probe result of single Synaptics */ 474 #ifdef EVDEV_SUPPORT 475 struct evdev_dev *evdev_a; /* Absolute reporting device */ 476 struct evdev_dev *evdev_r; /* Relative reporting device */ 477 #endif 478 }; 479 static devclass_t psm_devclass; 480 481 /* driver state flags (state) */ 482 #define PSM_VALID 0x80 483 #define PSM_OPEN 1 /* Device is open */ 484 #define PSM_ASLP 2 /* Waiting for mouse data */ 485 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 486 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 487 #define PSM_EV_OPEN_R 0x10 /* Relative evdev device is open */ 488 #define PSM_EV_OPEN_A 0x20 /* Absolute evdev device is open */ 489 490 /* driver configuration flags (config) */ 491 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 492 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 493 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 494 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 495 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 496 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 497 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 498 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 499 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 500 501 #define PSM_CONFIG_FLAGS \ 502 (PSM_CONFIG_RESOLUTION | \ 503 PSM_CONFIG_ACCEL | \ 504 PSM_CONFIG_NOCHECKSYNC | \ 505 PSM_CONFIG_NOIDPROBE | \ 506 PSM_CONFIG_NORESET | \ 507 PSM_CONFIG_FORCETAP | \ 508 PSM_CONFIG_IGNPORTERROR | \ 509 PSM_CONFIG_HOOKRESUME | \ 510 PSM_CONFIG_INITAFTERSUSPEND) 511 512 /* other flags (flags) */ 513 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 514 515 #define kbdcp(p) ((atkbdc_softc_t *)(p)) 516 #define ALWAYS_RESTORE_CONTROLLER(kbdc) !(kbdcp(kbdc)->quirks \ 517 & KBDC_QUIRK_KEEP_ACTIVATED) 518 519 /* Tunables */ 520 static int tap_enabled = -1; 521 static int verbose = PSM_DEBUG; 522 static int synaptics_support = 1; 523 static int trackpoint_support = 1; 524 static int elantech_support = 1; 525 static int mux_disabled = -1; 526 527 /* for backward compatibility */ 528 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 529 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 530 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 531 532 typedef struct old_mousehw { 533 int buttons; 534 int iftype; 535 int type; 536 int hwid; 537 } old_mousehw_t; 538 539 typedef struct old_mousemode { 540 int protocol; 541 int rate; 542 int resolution; 543 int accelfactor; 544 } old_mousemode_t; 545 546 #define SYN_OFFSET(field) offsetof(struct psm_softc, syninfo.field) 547 enum { 548 SYNAPTICS_SYSCTL_MIN_PRESSURE = SYN_OFFSET(min_pressure), 549 SYNAPTICS_SYSCTL_MAX_PRESSURE = SYN_OFFSET(max_pressure), 550 SYNAPTICS_SYSCTL_MAX_WIDTH = SYN_OFFSET(max_width), 551 SYNAPTICS_SYSCTL_MARGIN_TOP = SYN_OFFSET(margin_top), 552 SYNAPTICS_SYSCTL_MARGIN_RIGHT = SYN_OFFSET(margin_right), 553 SYNAPTICS_SYSCTL_MARGIN_BOTTOM = SYN_OFFSET(margin_bottom), 554 SYNAPTICS_SYSCTL_MARGIN_LEFT = SYN_OFFSET(margin_left), 555 SYNAPTICS_SYSCTL_NA_TOP = SYN_OFFSET(na_top), 556 SYNAPTICS_SYSCTL_NA_RIGHT = SYN_OFFSET(na_right), 557 SYNAPTICS_SYSCTL_NA_BOTTOM = SYN_OFFSET(na_bottom), 558 SYNAPTICS_SYSCTL_NA_LEFT = SYN_OFFSET(na_left), 559 SYNAPTICS_SYSCTL_WINDOW_MIN = SYN_OFFSET(window_min), 560 SYNAPTICS_SYSCTL_WINDOW_MAX = SYN_OFFSET(window_max), 561 SYNAPTICS_SYSCTL_MULTIPLICATOR = SYN_OFFSET(multiplicator), 562 SYNAPTICS_SYSCTL_WEIGHT_CURRENT = SYN_OFFSET(weight_current), 563 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS = SYN_OFFSET(weight_previous), 564 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA = SYN_OFFSET(weight_previous_na), 565 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED = SYN_OFFSET(weight_len_squared), 566 SYNAPTICS_SYSCTL_DIV_MIN = SYN_OFFSET(div_min), 567 SYNAPTICS_SYSCTL_DIV_MAX = SYN_OFFSET(div_max), 568 SYNAPTICS_SYSCTL_DIV_MAX_NA = SYN_OFFSET(div_max_na), 569 SYNAPTICS_SYSCTL_DIV_LEN = SYN_OFFSET(div_len), 570 SYNAPTICS_SYSCTL_TAP_MAX_DELTA = SYN_OFFSET(tap_max_delta), 571 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE = SYN_OFFSET(tap_min_queue), 572 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT = SYN_OFFSET(taphold_timeout), 573 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA = SYN_OFFSET(vscroll_hor_area), 574 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA = SYN_OFFSET(vscroll_ver_area), 575 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA = SYN_OFFSET(vscroll_min_delta), 576 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN = SYN_OFFSET(vscroll_div_min), 577 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX = SYN_OFFSET(vscroll_div_max), 578 SYNAPTICS_SYSCTL_TOUCHPAD_OFF = SYN_OFFSET(touchpad_off), 579 SYNAPTICS_SYSCTL_SOFTBUTTONS_Y = SYN_OFFSET(softbuttons_y), 580 SYNAPTICS_SYSCTL_SOFTBUTTON2_X = SYN_OFFSET(softbutton2_x), 581 SYNAPTICS_SYSCTL_SOFTBUTTON3_X = SYN_OFFSET(softbutton3_x), 582 SYNAPTICS_SYSCTL_THREE_FINGER_DRAG = SYN_OFFSET(three_finger_drag), 583 SYNAPTICS_SYSCTL_NATURAL_SCROLL = SYN_OFFSET(natural_scroll), 584 #define SYNAPTICS_SYSCTL_LAST SYNAPTICS_SYSCTL_NATURAL_SCROLL 585 }; 586 587 /* packet formatting function */ 588 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 589 mousestatus_t *); 590 591 /* function prototypes */ 592 static void psmidentify(driver_t *, device_t); 593 static int psmprobe(device_t); 594 static int psmattach(device_t); 595 static int psmdetach(device_t); 596 static int psmresume(device_t); 597 598 static d_open_t psm_cdev_open; 599 static d_close_t psm_cdev_close; 600 static d_read_t psmread; 601 static d_write_t psmwrite; 602 static d_ioctl_t psmioctl; 603 static d_poll_t psmpoll; 604 605 static int psmopen(struct psm_softc *); 606 static int psmclose(struct psm_softc *); 607 608 #ifdef EVDEV_SUPPORT 609 static evdev_open_t psm_ev_open_r; 610 static evdev_close_t psm_ev_close_r; 611 static evdev_open_t psm_ev_open_a; 612 static evdev_close_t psm_ev_close_a; 613 #endif 614 615 static int enable_aux_dev(KBDC); 616 static int disable_aux_dev(KBDC); 617 static int get_mouse_status(KBDC, int *, int, int); 618 static int get_aux_id(KBDC); 619 static int set_mouse_sampling_rate(KBDC, int); 620 static int set_mouse_scaling(KBDC, int); 621 static int set_mouse_resolution(KBDC, int); 622 static int set_mouse_mode(KBDC); 623 static int get_mouse_buttons(KBDC); 624 static int is_a_mouse(int); 625 static void recover_from_error(KBDC); 626 static int restore_controller(KBDC, int); 627 static int doinitialize(struct psm_softc *, mousemode_t *); 628 static int doopen(struct psm_softc *, int); 629 static int reinitialize(struct psm_softc *, int); 630 static char *model_name(int); 631 static void psmsoftintr(void *); 632 static void psmsoftintridle(void *); 633 static void psmintr(void *); 634 static void psmtimeout(void *); 635 static int timeelapsed(const struct timeval *, int, int, 636 const struct timeval *); 637 static void dropqueue(struct psm_softc *); 638 static void flushpackets(struct psm_softc *); 639 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 640 mousestatus_t *, int *, int *, int *); 641 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 642 mousestatus_t *, int *, int *, int *); 643 static int proc_synaptics_mux(struct psm_softc *, packetbuf_t *); 644 static void proc_versapad(struct psm_softc *, packetbuf_t *, 645 mousestatus_t *, int *, int *, int *); 646 static int proc_elantech(struct psm_softc *, packetbuf_t *, 647 mousestatus_t *, int *, int *, int *); 648 static int psmpalmdetect(struct psm_softc *, finger_t *, int); 649 static void psmgestures(struct psm_softc *, finger_t *, int, 650 mousestatus_t *); 651 static void psmsmoother(struct psm_softc *, finger_t *, int, 652 mousestatus_t *, int *, int *); 653 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 654 u_char *); 655 656 /* vendor specific features */ 657 enum probearg { PROBE, REINIT }; 658 typedef int probefunc_t(struct psm_softc *, enum probearg); 659 660 static int mouse_id_proc1(KBDC, int, int, int *); 661 static int mouse_ext_command(KBDC, int); 662 663 static probefunc_t enable_groller; 664 static probefunc_t enable_gmouse; 665 static probefunc_t enable_aglide; 666 static probefunc_t enable_kmouse; 667 static probefunc_t enable_msexplorer; 668 static probefunc_t enable_msintelli; 669 static probefunc_t enable_4dmouse; 670 static probefunc_t enable_4dplus; 671 static probefunc_t enable_mmanplus; 672 static probefunc_t enable_synaptics; 673 static probefunc_t enable_synaptics_mux; 674 static probefunc_t enable_single_synaptics_mux; 675 static probefunc_t enable_trackpoint; 676 static probefunc_t enable_versapad; 677 static probefunc_t enable_elantech; 678 679 static void set_trackpoint_parameters(struct psm_softc *sc); 680 static void synaptics_passthrough_on(struct psm_softc *sc); 681 static void synaptics_passthrough_off(struct psm_softc *sc); 682 static int synaptics_preferred_mode(struct psm_softc *sc); 683 static void synaptics_set_mode(struct psm_softc *sc, int mode_byte); 684 685 static struct { 686 int model; 687 u_char syncmask; 688 int packetsize; 689 probefunc_t *probefunc; 690 } vendortype[] = { 691 /* 692 * WARNING: the order of probe is very important. Don't mess it 693 * unless you know what you are doing. 694 */ 695 { MOUSE_MODEL_SYNAPTICS, /* Synaptics + mouse on Active Mux */ 696 0x00, MOUSE_PS2_PACKETSIZE, enable_synaptics_mux }, 697 { MOUSE_MODEL_SYNAPTICS, /* Single Synaptics on Active Mux */ 698 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_single_synaptics_mux }, 699 { MOUSE_MODEL_NET, /* Genius NetMouse */ 700 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 701 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 702 0xc8, 6, enable_groller }, 703 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 704 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 705 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 706 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 707 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 708 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 709 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 710 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 711 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 712 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 713 { MOUSE_MODEL_ELANTECH, /* Elantech Touchpad */ 714 0x04, MOUSE_ELANTECH_PACKETSIZE, enable_elantech }, 715 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 716 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 717 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 718 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 719 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 720 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 721 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 722 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 723 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 724 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 725 { MOUSE_MODEL_GENERIC, 726 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 727 }; 728 #define GENERIC_MOUSE_ENTRY (nitems(vendortype) - 1) 729 730 /* device driver declarateion */ 731 static device_method_t psm_methods[] = { 732 /* Device interface */ 733 DEVMETHOD(device_identify, psmidentify), 734 DEVMETHOD(device_probe, psmprobe), 735 DEVMETHOD(device_attach, psmattach), 736 DEVMETHOD(device_detach, psmdetach), 737 DEVMETHOD(device_resume, psmresume), 738 { 0, 0 } 739 }; 740 741 static driver_t psm_driver = { 742 PSM_DRIVER_NAME, 743 psm_methods, 744 sizeof(struct psm_softc), 745 }; 746 747 static struct cdevsw psm_cdevsw = { 748 .d_version = D_VERSION, 749 .d_flags = D_NEEDGIANT, 750 .d_open = psm_cdev_open, 751 .d_close = psm_cdev_close, 752 .d_read = psmread, 753 .d_write = psmwrite, 754 .d_ioctl = psmioctl, 755 .d_poll = psmpoll, 756 .d_name = PSM_DRIVER_NAME, 757 }; 758 759 #ifdef EVDEV_SUPPORT 760 static const struct evdev_methods psm_ev_methods_r = { 761 .ev_open = psm_ev_open_r, 762 .ev_close = psm_ev_close_r, 763 }; 764 static const struct evdev_methods psm_ev_methods_a = { 765 .ev_open = psm_ev_open_a, 766 .ev_close = psm_ev_close_a, 767 }; 768 #endif 769 770 /* device I/O routines */ 771 static int 772 enable_aux_dev(KBDC kbdc) 773 { 774 int res; 775 776 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 777 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 778 779 return (res == PSM_ACK); 780 } 781 782 static int 783 disable_aux_dev(KBDC kbdc) 784 { 785 int res; 786 787 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 788 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 789 790 return (res == PSM_ACK); 791 } 792 793 static int 794 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 795 { 796 int cmd; 797 int res; 798 int i; 799 800 switch (flag) { 801 case 0: 802 default: 803 cmd = PSMC_SEND_DEV_STATUS; 804 break; 805 case 1: 806 cmd = PSMC_SEND_DEV_DATA; 807 break; 808 } 809 empty_aux_buffer(kbdc, 5); 810 res = send_aux_command(kbdc, cmd); 811 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 812 (flag == 1) ? "DATA" : "STATUS", res)); 813 if (res != PSM_ACK) 814 return (0); 815 816 for (i = 0; i < len; ++i) { 817 status[i] = read_aux_data(kbdc); 818 if (status[i] < 0) 819 break; 820 } 821 if (len >= 3) { 822 for (; i < 3; ++i) 823 status[i] = 0; 824 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 825 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 826 } 827 828 return (i); 829 } 830 831 static int 832 get_aux_id(KBDC kbdc) 833 { 834 int res; 835 int id; 836 837 empty_aux_buffer(kbdc, 5); 838 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 839 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 840 if (res != PSM_ACK) 841 return (-1); 842 843 /* 10ms delay */ 844 DELAY(10000); 845 846 id = read_aux_data(kbdc); 847 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 848 849 return (id); 850 } 851 852 static int 853 set_mouse_sampling_rate(KBDC kbdc, int rate) 854 { 855 int res; 856 857 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 858 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 859 860 return ((res == PSM_ACK) ? rate : -1); 861 } 862 863 static int 864 set_mouse_scaling(KBDC kbdc, int scale) 865 { 866 int res; 867 868 switch (scale) { 869 case 1: 870 default: 871 scale = PSMC_SET_SCALING11; 872 break; 873 case 2: 874 scale = PSMC_SET_SCALING21; 875 break; 876 } 877 res = send_aux_command(kbdc, scale); 878 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 879 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 880 881 return (res == PSM_ACK); 882 } 883 884 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 885 static int 886 set_mouse_resolution(KBDC kbdc, int val) 887 { 888 int res; 889 890 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 891 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 892 893 return ((res == PSM_ACK) ? val : -1); 894 } 895 896 /* 897 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 898 * re-enabled by calling `enable_aux_dev()' 899 */ 900 static int 901 set_mouse_mode(KBDC kbdc) 902 { 903 int res; 904 905 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 906 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 907 908 return (res == PSM_ACK); 909 } 910 911 static int 912 get_mouse_buttons(KBDC kbdc) 913 { 914 int c = 2; /* assume two buttons by default */ 915 int status[3]; 916 917 /* 918 * NOTE: a special sequence to obtain Logitech Mouse specific 919 * information: set resolution to 25 ppi, set scaling to 1:1, set 920 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 921 * mouse status bytes is the number of available buttons. 922 * Some manufactures also support this sequence. 923 */ 924 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 925 return (c); 926 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 927 set_mouse_scaling(kbdc, 1) && 928 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 929 return (status[1]); 930 return (c); 931 } 932 933 /* misc subroutines */ 934 /* 935 * Someday, I will get the complete list of valid pointing devices and 936 * their IDs... XXX 937 */ 938 static int 939 is_a_mouse(int id) 940 { 941 #if 0 942 static int valid_ids[] = { 943 PSM_MOUSE_ID, /* mouse */ 944 PSM_BALLPOINT_ID, /* ballpoint device */ 945 PSM_INTELLI_ID, /* Intellimouse */ 946 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 947 -1 /* end of table */ 948 }; 949 int i; 950 951 for (i = 0; valid_ids[i] >= 0; ++i) 952 if (valid_ids[i] == id) 953 return (TRUE); 954 return (FALSE); 955 #else 956 return (TRUE); 957 #endif 958 } 959 960 static char * 961 model_name(int model) 962 { 963 static struct { 964 int model_code; 965 char *model_name; 966 } models[] = { 967 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 968 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 969 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 970 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 971 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 972 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 973 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 974 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 975 { MOUSE_MODEL_4D, "4D Mouse" }, 976 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 977 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 978 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 979 { MOUSE_MODEL_ELANTECH, "Elantech Touchpad" }, 980 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 981 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 982 }; 983 int i; 984 985 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 986 if (models[i].model_code == model) 987 break; 988 return (models[i].model_name); 989 } 990 991 static void 992 recover_from_error(KBDC kbdc) 993 { 994 /* discard anything left in the output buffer */ 995 empty_both_buffers(kbdc, 10); 996 997 #if 0 998 /* 999 * NOTE: KBDC_RESET_KBD may not restore the communication between the 1000 * keyboard and the controller. 1001 */ 1002 reset_kbd(kbdc); 1003 #else 1004 /* 1005 * NOTE: somehow diagnostic and keyboard port test commands bring the 1006 * keyboard back. 1007 */ 1008 if (!test_controller(kbdc)) 1009 log(LOG_ERR, "psm: keyboard controller failed.\n"); 1010 /* if there isn't a keyboard in the system, the following error is OK */ 1011 if (test_kbd_port(kbdc) != 0) 1012 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 1013 #endif 1014 } 1015 1016 static int 1017 restore_controller(KBDC kbdc, int command_byte) 1018 { 1019 empty_both_buffers(kbdc, 10); 1020 1021 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 1022 log(LOG_ERR, "psm: failed to restore the keyboard controller " 1023 "command byte.\n"); 1024 empty_both_buffers(kbdc, 10); 1025 return (FALSE); 1026 } else { 1027 empty_both_buffers(kbdc, 10); 1028 return (TRUE); 1029 } 1030 } 1031 1032 /* 1033 * Re-initialize the aux port and device. The aux port must be enabled 1034 * and its interrupt must be disabled before calling this routine. 1035 * The aux device will be disabled before returning. 1036 * The keyboard controller must be locked via `kbdc_lock()' before 1037 * calling this routine. 1038 */ 1039 static int 1040 doinitialize(struct psm_softc *sc, mousemode_t *mode) 1041 { 1042 KBDC kbdc = sc->kbdc; 1043 int stat[3]; 1044 int i; 1045 1046 switch((i = test_aux_port(kbdc))) { 1047 case 1: /* ignore these errors */ 1048 case 2: 1049 case 3: 1050 case PSM_ACK: 1051 if (verbose) 1052 device_log(sc->dev, LOG_DEBUG, 1053 "strange result for test aux port (%d).\n", i); 1054 /* FALLTHROUGH */ 1055 case 0: /* no error */ 1056 break; 1057 case -1: /* time out */ 1058 default: /* error */ 1059 recover_from_error(kbdc); 1060 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1061 break; 1062 device_log(sc->dev, LOG_ERR, 1063 "the aux port is not functioning (%d).\n", i); 1064 return (FALSE); 1065 } 1066 1067 if (sc->config & PSM_CONFIG_NORESET) { 1068 /* 1069 * Don't try to reset the pointing device. It may possibly 1070 * be left in the unknown state, though... 1071 */ 1072 } else { 1073 /* 1074 * NOTE: some controllers appears to hang the `keyboard' when 1075 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1076 */ 1077 if (!reset_aux_dev(kbdc)) { 1078 recover_from_error(kbdc); 1079 device_log(sc->dev, LOG_ERR, 1080 "failed to reset the aux device.\n"); 1081 return (FALSE); 1082 } 1083 } 1084 1085 /* 1086 * both the aux port and the aux device is functioning, see 1087 * if the device can be enabled. 1088 */ 1089 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 1090 device_log(sc->dev, LOG_ERR, 1091 "failed to enable the aux device.\n"); 1092 return (FALSE); 1093 } 1094 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 1095 1096 /* Re-enable the mouse. */ 1097 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1098 if (vendortype[i].model == sc->hw.model) 1099 (*vendortype[i].probefunc)(sc, REINIT); 1100 1101 /* set mouse parameters */ 1102 if (mode != (mousemode_t *)NULL) { 1103 if (mode->rate > 0) 1104 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 1105 if (mode->resolution >= 0) 1106 mode->resolution = 1107 set_mouse_resolution(kbdc, mode->resolution); 1108 set_mouse_scaling(kbdc, 1); 1109 set_mouse_mode(kbdc); 1110 } 1111 1112 /* Record sync on the next data packet we see. */ 1113 sc->flags |= PSM_NEED_SYNCBITS; 1114 1115 /* just check the status of the mouse */ 1116 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 1117 device_log(sc->dev, LOG_DEBUG, 1118 "failed to get status (doinitialize).\n"); 1119 1120 return (TRUE); 1121 } 1122 1123 static int 1124 doopen(struct psm_softc *sc, int command_byte) 1125 { 1126 int stat[3]; 1127 int mux_enabled = FALSE; 1128 1129 /* 1130 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 1131 * no obvious reason. Thus we check the current mode and restore the 1132 * Absolute Mode if it was cleared. 1133 * 1134 * The previous hack at the end of psmprobe() wasn't efficient when 1135 * moused(8) was restarted. 1136 * 1137 * A Reset (FF) or Set Defaults (F6) command would clear the 1138 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 1139 * doesn't show any evidence of such a command. 1140 */ 1141 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 1142 if (sc->muxport != PSM_NOMUX) { 1143 mux_enabled = enable_aux_mux(sc->kbdc) >= 0; 1144 if (mux_enabled) 1145 set_active_aux_mux_port(sc->kbdc, sc->muxport); 1146 else 1147 device_log(sc->dev, LOG_ERR, "failed to enable " 1148 "active multiplexing mode.\n"); 1149 } 1150 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODES); 1151 get_mouse_status(sc->kbdc, stat, 0, 3); 1152 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 1153 stat[1] == 0x47) && 1154 stat[2] == 0x40) { 1155 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1156 VDLOG(5, sc->dev, LOG_DEBUG, "Synaptis Absolute Mode " 1157 "hopefully restored\n"); 1158 } 1159 if (mux_enabled) 1160 disable_aux_mux(sc->kbdc); 1161 } 1162 1163 /* 1164 * A user may want to disable tap and drag gestures on a Synaptics 1165 * TouchPad when it operates in Relative Mode. 1166 */ 1167 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 1168 if (tap_enabled > 0) { 1169 VDLOG(2, sc->dev, LOG_DEBUG, 1170 "enable tap and drag gestures\n"); 1171 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1172 } else if (tap_enabled == 0) { 1173 VDLOG(2, sc->dev, LOG_DEBUG, 1174 "disable tap and drag gestures\n"); 1175 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1176 } 1177 } 1178 1179 /* enable the mouse device */ 1180 if (!enable_aux_dev(sc->kbdc)) { 1181 /* MOUSE ERROR: failed to enable the mouse because: 1182 * 1) the mouse is faulty, 1183 * 2) the mouse has been removed(!?) 1184 * In the latter case, the keyboard may have hung, and need 1185 * recovery procedure... 1186 */ 1187 recover_from_error(sc->kbdc); 1188 #if 0 1189 /* FIXME: we could reset the mouse here and try to enable 1190 * it again. But it will take long time and it's not a good 1191 * idea to disable the keyboard that long... 1192 */ 1193 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 1194 recover_from_error(sc->kbdc); 1195 #else 1196 { 1197 #endif 1198 restore_controller(sc->kbdc, command_byte); 1199 /* mark this device is no longer available */ 1200 sc->state &= ~PSM_VALID; 1201 device_log(sc->dev, LOG_ERR, 1202 "failed to enable the device (doopen).\n"); 1203 return (EIO); 1204 } 1205 } 1206 1207 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1208 device_log(sc->dev, LOG_DEBUG, 1209 "failed to get status (doopen).\n"); 1210 1211 /* enable the aux port and interrupt */ 1212 if (!set_controller_command_byte(sc->kbdc, 1213 kbdc_get_device_mask(sc->kbdc), 1214 (command_byte & KBD_KBD_CONTROL_BITS) | 1215 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1216 /* CONTROLLER ERROR */ 1217 disable_aux_dev(sc->kbdc); 1218 restore_controller(sc->kbdc, command_byte); 1219 device_log(sc->dev, LOG_ERR, 1220 "failed to enable the aux interrupt (doopen).\n"); 1221 return (EIO); 1222 } 1223 1224 /* start the watchdog timer */ 1225 sc->watchdog = FALSE; 1226 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1227 1228 return (0); 1229 } 1230 1231 static int 1232 reinitialize(struct psm_softc *sc, int doinit) 1233 { 1234 int err; 1235 int c; 1236 int s; 1237 1238 /* don't let anybody mess with the aux device */ 1239 if (!kbdc_lock(sc->kbdc, TRUE)) 1240 return (EIO); 1241 s = spltty(); 1242 1243 /* block our watchdog timer */ 1244 sc->watchdog = FALSE; 1245 callout_stop(&sc->callout); 1246 1247 /* save the current controller command byte */ 1248 empty_both_buffers(sc->kbdc, 10); 1249 c = get_controller_command_byte(sc->kbdc); 1250 VDLOG(2, sc->dev, LOG_DEBUG, 1251 "current command byte: %04x (reinitialize).\n", c); 1252 1253 /* enable the aux port but disable the aux interrupt and the keyboard */ 1254 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1255 kbdc_get_device_mask(sc->kbdc), 1256 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1257 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1258 /* CONTROLLER ERROR */ 1259 splx(s); 1260 kbdc_lock(sc->kbdc, FALSE); 1261 device_log(sc->dev, LOG_ERR, 1262 "unable to set the command byte (reinitialize).\n"); 1263 return (EIO); 1264 } 1265 1266 /* flush any data */ 1267 if (sc->state & PSM_VALID) { 1268 /* this may fail; but never mind... */ 1269 disable_aux_dev(sc->kbdc); 1270 empty_aux_buffer(sc->kbdc, 10); 1271 } 1272 flushpackets(sc); 1273 sc->syncerrors = 0; 1274 sc->pkterrors = 0; 1275 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1276 1277 /* try to detect the aux device; are you still there? */ 1278 err = 0; 1279 if (doinit) { 1280 if (doinitialize(sc, &sc->mode)) { 1281 /* yes */ 1282 sc->state |= PSM_VALID; 1283 } else { 1284 /* the device has gone! */ 1285 restore_controller(sc->kbdc, c); 1286 sc->state &= ~PSM_VALID; 1287 device_log(sc->dev, LOG_ERR, 1288 "the aux device has gone! (reinitialize).\n"); 1289 err = ENXIO; 1290 } 1291 } 1292 splx(s); 1293 1294 /* restore the driver state */ 1295 if ((sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A)) && 1296 (err == 0)) { 1297 /* enable the aux device and the port again */ 1298 err = doopen(sc, c); 1299 if (err != 0) 1300 device_log(sc->dev, LOG_ERR, 1301 "failed to enable the device (reinitialize).\n"); 1302 } else { 1303 /* restore the keyboard port and disable the aux port */ 1304 if (!set_controller_command_byte(sc->kbdc, 1305 kbdc_get_device_mask(sc->kbdc), 1306 (c & KBD_KBD_CONTROL_BITS) | 1307 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1308 /* CONTROLLER ERROR */ 1309 device_log(sc->dev, LOG_ERR, 1310 "failed to disable the aux port (reinitialize).\n"); 1311 err = EIO; 1312 } 1313 } 1314 1315 kbdc_lock(sc->kbdc, FALSE); 1316 return (err); 1317 } 1318 1319 /* psm driver entry points */ 1320 1321 static void 1322 psmidentify(driver_t *driver, device_t parent) 1323 { 1324 device_t psmc; 1325 device_t psm; 1326 u_long irq; 1327 int unit; 1328 1329 unit = device_get_unit(parent); 1330 1331 /* always add at least one child */ 1332 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1333 if (psm == NULL) 1334 return; 1335 1336 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1337 if (irq > 0) 1338 return; 1339 1340 /* 1341 * If the PS/2 mouse device has already been reported by ACPI or 1342 * PnP BIOS, obtain the IRQ resource from it. 1343 * (See psmcpnp_attach() below.) 1344 */ 1345 psmc = device_find_child(device_get_parent(parent), 1346 PSMCPNP_DRIVER_NAME, unit); 1347 if (psmc == NULL) 1348 return; 1349 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1350 if (irq <= 0) 1351 return; 1352 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1353 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1354 } 1355 1356 #define endprobe(v) do { \ 1357 if (bootverbose) \ 1358 --verbose; \ 1359 kbdc_set_device_mask(sc->kbdc, mask); \ 1360 kbdc_lock(sc->kbdc, FALSE); \ 1361 return (v); \ 1362 } while (0) 1363 1364 static int 1365 psmprobe(device_t dev) 1366 { 1367 struct psm_softc *sc = device_get_softc(dev); 1368 int stat[3]; 1369 int command_byte; 1370 int mask; 1371 int rid; 1372 int i; 1373 1374 #if 0 1375 kbdc_debug(TRUE); 1376 #endif 1377 1378 /* see if IRQ is available */ 1379 rid = KBDC_RID_AUX; 1380 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1381 if (sc->intr == NULL) { 1382 if (bootverbose) 1383 device_printf(dev, "unable to allocate IRQ\n"); 1384 return (ENXIO); 1385 } 1386 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1387 1388 sc->dev = dev; 1389 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1390 if (sc->kbdc == NULL) 1391 return (ENXIO); 1392 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1393 /* XXX: for backward compatibility */ 1394 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1395 sc->config |= 1396 #ifdef PSM_RESETAFTERSUSPEND 1397 PSM_CONFIG_INITAFTERSUSPEND; 1398 #else 1399 PSM_CONFIG_HOOKRESUME; 1400 #endif 1401 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1402 sc->flags = 0; 1403 sc->muxport = PSM_NOMUX; 1404 if (bootverbose) 1405 ++verbose; 1406 1407 device_set_desc(dev, "PS/2 Mouse"); 1408 1409 if (!kbdc_lock(sc->kbdc, TRUE)) { 1410 device_printf(dev, "unable to lock the controller.\n"); 1411 if (bootverbose) 1412 --verbose; 1413 return (ENXIO); 1414 } 1415 1416 /* 1417 * NOTE: two bits in the command byte controls the operation of the 1418 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1419 * port interrupt (IRQ 12) enable bit (bit 2). 1420 */ 1421 1422 /* discard anything left after the keyboard initialization */ 1423 empty_both_buffers(sc->kbdc, 10); 1424 1425 /* save the current command byte; it will be used later */ 1426 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1427 command_byte = get_controller_command_byte(sc->kbdc); 1428 if (verbose) 1429 device_printf(dev, "current command byte:%04x\n", command_byte); 1430 if (command_byte == -1) { 1431 /* CONTROLLER ERROR */ 1432 device_printf(dev, 1433 "unable to get the current command byte value.\n"); 1434 endprobe(ENXIO); 1435 } 1436 1437 /* 1438 * disable the keyboard port while probing the aux port, which must be 1439 * enabled during this routine 1440 */ 1441 if (!set_controller_command_byte(sc->kbdc, 1442 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1443 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1444 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1445 /* 1446 * this is CONTROLLER ERROR; I don't know how to recover 1447 * from this error... 1448 */ 1449 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1450 restore_controller(sc->kbdc, command_byte); 1451 device_printf(dev, "unable to set the command byte.\n"); 1452 endprobe(ENXIO); 1453 } 1454 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1455 1456 /* 1457 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1458 * port exists and is functioning. However, some controllers appears 1459 * to respond with zero even when the aux port doesn't exist. (It may 1460 * be that this is only the case when the controller DOES have the aux 1461 * port but the port is not wired on the motherboard.) The keyboard 1462 * controllers without the port, such as the original AT, are 1463 * supposed to return with an error code or simply time out. In any 1464 * case, we have to continue probing the port even when the controller 1465 * passes this test. 1466 * 1467 * XXX: some controllers erroneously return the error code 1, 2 or 3 1468 * when it has a perfectly functional aux port. We have to ignore 1469 * this error code. Even if the controller HAS error with the aux 1470 * port, it will be detected later... 1471 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1472 */ 1473 switch ((i = test_aux_port(sc->kbdc))) { 1474 case 1: /* ignore these errors */ 1475 case 2: 1476 case 3: 1477 case PSM_ACK: 1478 if (verbose) 1479 device_printf(dev, "strange result for test aux port " 1480 "(%d).\n", i); 1481 /* FALLTHROUGH */ 1482 case 0: /* no error */ 1483 break; 1484 case -1: /* time out */ 1485 default: /* error */ 1486 recover_from_error(sc->kbdc); 1487 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1488 break; 1489 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1490 restore_controller(sc->kbdc, command_byte); 1491 if (verbose) 1492 device_printf(dev, 1493 "the aux port is not functioning (%d).\n", i); 1494 endprobe(ENXIO); 1495 } 1496 1497 if (sc->config & PSM_CONFIG_NORESET) { 1498 /* 1499 * Don't try to reset the pointing device. It may possibly be 1500 * left in an unknown state, though... 1501 */ 1502 } else { 1503 /* 1504 * NOTE: some controllers appears to hang the `keyboard' when 1505 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1506 * 1507 * Attempt to reset the controller twice -- this helps 1508 * pierce through some KVM switches. The second reset 1509 * is non-fatal. 1510 */ 1511 if (!reset_aux_dev(sc->kbdc)) { 1512 recover_from_error(sc->kbdc); 1513 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1514 restore_controller(sc->kbdc, command_byte); 1515 if (verbose) 1516 device_printf(dev, "failed to reset the aux " 1517 "device.\n"); 1518 endprobe(ENXIO); 1519 } else if (!reset_aux_dev(sc->kbdc)) { 1520 recover_from_error(sc->kbdc); 1521 if (verbose >= 2) 1522 device_printf(dev, "failed to reset the aux " 1523 "device (2).\n"); 1524 } 1525 } 1526 1527 /* 1528 * both the aux port and the aux device are functioning, see if the 1529 * device can be enabled. NOTE: when enabled, the device will start 1530 * sending data; we shall immediately disable the device once we know 1531 * the device can be enabled. 1532 */ 1533 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1534 /* MOUSE ERROR */ 1535 recover_from_error(sc->kbdc); 1536 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1537 restore_controller(sc->kbdc, command_byte); 1538 if (verbose) 1539 device_printf(dev, "failed to enable the aux device.\n"); 1540 endprobe(ENXIO); 1541 } 1542 1543 /* save the default values after reset */ 1544 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1545 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1546 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1547 } else { 1548 sc->dflt_mode.rate = sc->mode.rate = -1; 1549 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1550 } 1551 1552 /* hardware information */ 1553 sc->hw.iftype = MOUSE_IF_PS2; 1554 1555 /* verify the device is a mouse */ 1556 sc->hw.hwid = get_aux_id(sc->kbdc); 1557 if (!is_a_mouse(sc->hw.hwid)) { 1558 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1559 restore_controller(sc->kbdc, command_byte); 1560 if (verbose) 1561 device_printf(dev, "unknown device type (%d).\n", 1562 sc->hw.hwid); 1563 endprobe(ENXIO); 1564 } 1565 switch (sc->hw.hwid) { 1566 case PSM_BALLPOINT_ID: 1567 sc->hw.type = MOUSE_TRACKBALL; 1568 break; 1569 case PSM_MOUSE_ID: 1570 case PSM_INTELLI_ID: 1571 case PSM_EXPLORER_ID: 1572 case PSM_4DMOUSE_ID: 1573 case PSM_4DPLUS_ID: 1574 sc->hw.type = MOUSE_MOUSE; 1575 break; 1576 default: 1577 sc->hw.type = MOUSE_UNKNOWN; 1578 break; 1579 } 1580 1581 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1582 sc->hw.buttons = 2; 1583 i = GENERIC_MOUSE_ENTRY; 1584 } else { 1585 /* # of buttons */ 1586 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1587 1588 /* other parameters */ 1589 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1590 if ((*vendortype[i].probefunc)(sc, PROBE)) { 1591 if (verbose >= 2) 1592 device_printf(dev, "found %s\n", 1593 model_name(vendortype[i].model)); 1594 break; 1595 } 1596 } 1597 1598 sc->hw.model = vendortype[i].model; 1599 1600 sc->dflt_mode.level = PSM_LEVEL_BASE; 1601 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1602 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1603 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1604 sc->dflt_mode.syncmask[0] = 0; 1605 else 1606 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1607 if (sc->config & PSM_CONFIG_FORCETAP) 1608 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1609 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1610 sc->mode = sc->dflt_mode; 1611 sc->mode.packetsize = vendortype[i].packetsize; 1612 1613 /* set mouse parameters */ 1614 #if 0 1615 /* 1616 * A version of Logitech FirstMouse+ won't report wheel movement, 1617 * if SET_DEFAULTS is sent... Don't use this command. 1618 * This fix was found by Takashi Nishida. 1619 */ 1620 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1621 if (verbose >= 2) 1622 device_printf(dev, "SET_DEFAULTS return code:%04x\n", i); 1623 #endif 1624 if (sc->config & PSM_CONFIG_RESOLUTION) 1625 sc->mode.resolution = 1626 set_mouse_resolution(sc->kbdc, 1627 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1628 else if (sc->mode.resolution >= 0) 1629 sc->mode.resolution = 1630 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1631 if (sc->mode.rate > 0) 1632 sc->mode.rate = 1633 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1634 set_mouse_scaling(sc->kbdc, 1); 1635 1636 /* Record sync on the next data packet we see. */ 1637 sc->flags |= PSM_NEED_SYNCBITS; 1638 1639 /* just check the status of the mouse */ 1640 /* 1641 * NOTE: XXX there are some arcane controller/mouse combinations out 1642 * there, which hung the controller unless there is data transmission 1643 * after ACK from the mouse. 1644 */ 1645 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1646 device_printf(dev, "failed to get status.\n"); 1647 else { 1648 /* 1649 * When in its native mode, some mice operate with different 1650 * default parameters than in the PS/2 compatible mode. 1651 */ 1652 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1653 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1654 } 1655 1656 /* disable the aux port for now... */ 1657 if (!set_controller_command_byte(sc->kbdc, 1658 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1659 (command_byte & KBD_KBD_CONTROL_BITS) | 1660 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1661 /* 1662 * this is CONTROLLER ERROR; I don't know the proper way to 1663 * recover from this error... 1664 */ 1665 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1666 restore_controller(sc->kbdc, command_byte); 1667 device_printf(dev, "unable to set the command byte.\n"); 1668 endprobe(ENXIO); 1669 } 1670 1671 /* done */ 1672 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1673 kbdc_lock(sc->kbdc, FALSE); 1674 return (0); 1675 } 1676 1677 #ifdef EVDEV_SUPPORT 1678 /* Values are taken from Linux drivers for userland software compatibility */ 1679 #define PS2_MOUSE_VENDOR 0x0002 1680 #define PS2_MOUSE_GENERIC_PRODUCT 0x0001 1681 #define PS2_MOUSE_SYNAPTICS_NAME "SynPS/2 Synaptics TouchPad" 1682 #define PS2_MOUSE_SYNAPTICS_PRODUCT 0x0007 1683 #define PS2_MOUSE_TRACKPOINT_NAME "TPPS/2 IBM TrackPoint" 1684 #define PS2_MOUSE_TRACKPOINT_PRODUCT 0x000A 1685 #define PS2_MOUSE_ELANTECH_NAME "ETPS/2 Elantech Touchpad" 1686 #define PS2_MOUSE_ELANTECH_ST_NAME "ETPS/2 Elantech TrackPoint" 1687 #define PS2_MOUSE_ELANTECH_PRODUCT 0x000E 1688 #define ABSINFO_END { ABS_CNT, 0, 0, 0 } 1689 1690 static void 1691 psm_support_abs_bulk(struct evdev_dev *evdev, const uint16_t info[][4]) 1692 { 1693 size_t i; 1694 1695 for (i = 0; info[i][0] != ABS_CNT; i++) 1696 evdev_support_abs(evdev, info[i][0], info[i][1], info[i][2], 1697 0, 0, info[i][3]); 1698 } 1699 1700 static void 1701 psm_push_mt_finger(struct psm_softc *sc, int id, const finger_t *f) 1702 { 1703 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1704 1705 evdev_push_abs(sc->evdev_a, ABS_MT_SLOT, id); 1706 evdev_push_abs(sc->evdev_a, ABS_MT_TRACKING_ID, id); 1707 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_X, f->x); 1708 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_Y, y); 1709 evdev_push_abs(sc->evdev_a, ABS_MT_PRESSURE, f->p); 1710 } 1711 1712 static void 1713 psm_push_st_finger(struct psm_softc *sc, const finger_t *f) 1714 { 1715 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1716 1717 evdev_push_abs(sc->evdev_a, ABS_X, f->x); 1718 evdev_push_abs(sc->evdev_a, ABS_Y, y); 1719 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, f->p); 1720 if (sc->synhw.capPalmDetect) 1721 evdev_push_abs(sc->evdev_a, ABS_TOOL_WIDTH, f->w); 1722 } 1723 1724 static int 1725 psm_register(device_t dev, int model_code) 1726 { 1727 struct psm_softc *sc = device_get_softc(dev); 1728 struct evdev_dev *evdev_r; 1729 int error, i, nbuttons, nwheels, product; 1730 bool is_pointing_stick; 1731 const char *name; 1732 1733 name = model_name(model_code); 1734 nbuttons = sc->hw.buttons; 1735 product = PS2_MOUSE_GENERIC_PRODUCT; 1736 nwheels = 0; 1737 is_pointing_stick = false; 1738 1739 switch (model_code) { 1740 case MOUSE_MODEL_TRACKPOINT: 1741 name = PS2_MOUSE_TRACKPOINT_NAME; 1742 product = PS2_MOUSE_TRACKPOINT_PRODUCT; 1743 nbuttons = 3; 1744 is_pointing_stick = true; 1745 break; 1746 1747 case MOUSE_MODEL_ELANTECH: 1748 name = PS2_MOUSE_ELANTECH_ST_NAME; 1749 product = PS2_MOUSE_ELANTECH_PRODUCT; 1750 nbuttons = 3; 1751 is_pointing_stick = true; 1752 break; 1753 1754 case MOUSE_MODEL_MOUSEMANPLUS: 1755 case MOUSE_MODEL_4D: 1756 nwheels = 2; 1757 break; 1758 1759 case MOUSE_MODEL_EXPLORER: 1760 case MOUSE_MODEL_INTELLI: 1761 case MOUSE_MODEL_NET: 1762 case MOUSE_MODEL_NETSCROLL: 1763 case MOUSE_MODEL_4DPLUS: 1764 nwheels = 1; 1765 break; 1766 } 1767 1768 evdev_r = evdev_alloc(); 1769 evdev_set_name(evdev_r, name); 1770 evdev_set_phys(evdev_r, device_get_nameunit(dev)); 1771 evdev_set_id(evdev_r, BUS_I8042, PS2_MOUSE_VENDOR, product, 0); 1772 evdev_set_methods(evdev_r, sc, &psm_ev_methods_r); 1773 1774 evdev_support_prop(evdev_r, INPUT_PROP_POINTER); 1775 if (is_pointing_stick) 1776 evdev_support_prop(evdev_r, INPUT_PROP_POINTING_STICK); 1777 evdev_support_event(evdev_r, EV_SYN); 1778 evdev_support_event(evdev_r, EV_KEY); 1779 evdev_support_event(evdev_r, EV_REL); 1780 evdev_support_rel(evdev_r, REL_X); 1781 evdev_support_rel(evdev_r, REL_Y); 1782 switch (nwheels) { 1783 case 2: 1784 evdev_support_rel(evdev_r, REL_HWHEEL); 1785 /* FALLTHROUGH */ 1786 case 1: 1787 evdev_support_rel(evdev_r, REL_WHEEL); 1788 } 1789 for (i = 0; i < nbuttons; i++) 1790 evdev_support_key(evdev_r, BTN_MOUSE + i); 1791 1792 error = evdev_register_mtx(evdev_r, &Giant); 1793 if (error) 1794 evdev_free(evdev_r); 1795 else 1796 sc->evdev_r = evdev_r; 1797 return (error); 1798 } 1799 1800 static int 1801 psm_register_synaptics(device_t dev) 1802 { 1803 struct psm_softc *sc = device_get_softc(dev); 1804 const uint16_t synaptics_absinfo_st[][4] = { 1805 { ABS_X, sc->synhw.minimumXCoord, 1806 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1807 { ABS_Y, sc->synhw.minimumYCoord, 1808 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1809 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1810 ABSINFO_END, 1811 }; 1812 const uint16_t synaptics_absinfo_mt[][4] = { 1813 { ABS_MT_SLOT, 0, PSM_FINGERS-1, 0}, 1814 { ABS_MT_TRACKING_ID, -1, PSM_FINGERS-1, 0}, 1815 { ABS_MT_POSITION_X, sc->synhw.minimumXCoord, 1816 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1817 { ABS_MT_POSITION_Y, sc->synhw.minimumYCoord, 1818 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1819 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1820 ABSINFO_END, 1821 }; 1822 struct evdev_dev *evdev_a; 1823 int error, i, guest_model; 1824 1825 evdev_a = evdev_alloc(); 1826 evdev_set_name(evdev_a, PS2_MOUSE_SYNAPTICS_NAME); 1827 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1828 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1829 PS2_MOUSE_SYNAPTICS_PRODUCT, 0); 1830 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1831 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1832 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_AUTOREL); 1833 if (sc->synhw.capReportsV) 1834 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_TRACK); 1835 1836 evdev_support_event(evdev_a, EV_SYN); 1837 evdev_support_event(evdev_a, EV_KEY); 1838 evdev_support_event(evdev_a, EV_ABS); 1839 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1840 if (sc->synhw.capAdvancedGestures) 1841 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1842 if (sc->synhw.capClickPad) 1843 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1844 if (sc->synhw.capClickPad && sc->synhw.topButtonPad) 1845 evdev_support_prop(evdev_a, INPUT_PROP_TOPBUTTONPAD); 1846 evdev_support_key(evdev_a, BTN_TOUCH); 1847 evdev_support_nfingers(evdev_a, sc->synhw.capReportsV ? 5 : 3); 1848 psm_support_abs_bulk(evdev_a, synaptics_absinfo_st); 1849 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1850 psm_support_abs_bulk(evdev_a, synaptics_absinfo_mt); 1851 if (sc->synhw.capPalmDetect) 1852 evdev_support_abs(evdev_a, ABS_TOOL_WIDTH, 0, 15, 0, 0, 0); 1853 evdev_support_key(evdev_a, BTN_LEFT); 1854 if (!sc->synhw.capClickPad) { 1855 evdev_support_key(evdev_a, BTN_RIGHT); 1856 if (sc->synhw.capExtended && sc->synhw.capMiddle) 1857 evdev_support_key(evdev_a, BTN_MIDDLE); 1858 } 1859 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 1860 evdev_support_key(evdev_a, BTN_BACK); 1861 evdev_support_key(evdev_a, BTN_FORWARD); 1862 } 1863 if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) 1864 for (i = 0; i < sc->synhw.nExtendedButtons; i++) 1865 evdev_support_key(evdev_a, BTN_0 + i); 1866 1867 error = evdev_register_mtx(evdev_a, &Giant); 1868 if (!error && (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX)) { 1869 guest_model = sc->tpinfo.sysctl_tree != NULL ? 1870 MOUSE_MODEL_TRACKPOINT : MOUSE_MODEL_GENERIC; 1871 error = psm_register(dev, guest_model); 1872 } 1873 if (error) 1874 evdev_free(evdev_a); 1875 else 1876 sc->evdev_a = evdev_a; 1877 return (error); 1878 } 1879 1880 static int 1881 psm_register_elantech(device_t dev) 1882 { 1883 struct psm_softc *sc = device_get_softc(dev); 1884 const uint16_t elantech_absinfo[][4] = { 1885 { ABS_X, 0, sc->elanhw.sizex, 1886 sc->elanhw.dpmmx }, 1887 { ABS_Y, 0, sc->elanhw.sizey, 1888 sc->elanhw.dpmmy }, 1889 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1890 { ABS_TOOL_WIDTH, 0, ELANTECH_FINGER_MAX_W, 0 }, 1891 { ABS_MT_SLOT, 0, ELANTECH_MAX_FINGERS - 1, 0 }, 1892 { ABS_MT_TRACKING_ID, -1, ELANTECH_MAX_FINGERS - 1, 0 }, 1893 { ABS_MT_POSITION_X, 0, sc->elanhw.sizex, 1894 sc->elanhw.dpmmx }, 1895 { ABS_MT_POSITION_Y, 0, sc->elanhw.sizey, 1896 sc->elanhw.dpmmy }, 1897 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1898 { ABS_MT_TOUCH_MAJOR, 0, ELANTECH_FINGER_MAX_W * 1899 sc->elanhw.dptracex, 0 }, 1900 ABSINFO_END, 1901 }; 1902 struct evdev_dev *evdev_a; 1903 int error; 1904 1905 evdev_a = evdev_alloc(); 1906 evdev_set_name(evdev_a, PS2_MOUSE_ELANTECH_NAME); 1907 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1908 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1909 PS2_MOUSE_ELANTECH_PRODUCT, 0); 1910 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1911 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_AUTOREL); 1912 1913 evdev_support_event(evdev_a, EV_SYN); 1914 evdev_support_event(evdev_a, EV_KEY); 1915 evdev_support_event(evdev_a, EV_ABS); 1916 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1917 if (sc->elanhw.issemimt) 1918 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1919 if (sc->elanhw.isclickpad) 1920 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1921 evdev_support_key(evdev_a, BTN_TOUCH); 1922 evdev_support_nfingers(evdev_a, ELANTECH_MAX_FINGERS); 1923 evdev_support_key(evdev_a, BTN_LEFT); 1924 if (!sc->elanhw.isclickpad) 1925 evdev_support_key(evdev_a, BTN_RIGHT); 1926 psm_support_abs_bulk(evdev_a, elantech_absinfo); 1927 1928 error = evdev_register_mtx(evdev_a, &Giant); 1929 if (!error && sc->elanhw.hastrackpoint) 1930 error = psm_register(dev, MOUSE_MODEL_ELANTECH); 1931 if (error) 1932 evdev_free(evdev_a); 1933 else 1934 sc->evdev_a = evdev_a; 1935 return (error); 1936 } 1937 #endif 1938 1939 static int 1940 psmattach(device_t dev) 1941 { 1942 struct make_dev_args mda; 1943 int unit = device_get_unit(dev); 1944 struct psm_softc *sc = device_get_softc(dev); 1945 int error; 1946 int rid; 1947 1948 /* Setup initial state */ 1949 sc->state = PSM_VALID; 1950 callout_init(&sc->callout, 0); 1951 callout_init(&sc->softcallout, 0); 1952 1953 /* Setup our interrupt handler */ 1954 rid = KBDC_RID_AUX; 1955 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1956 if (sc->intr == NULL) 1957 return (ENXIO); 1958 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1959 &sc->ih); 1960 if (error) 1961 goto out; 1962 1963 /* Done */ 1964 make_dev_args_init(&mda); 1965 mda.mda_devsw = &psm_cdevsw; 1966 mda.mda_mode = 0666; 1967 mda.mda_si_drv1 = sc; 1968 1969 if ((error = make_dev_s(&mda, &sc->cdev, "psm%d", unit)) != 0) 1970 goto out; 1971 if ((error = make_dev_s(&mda, &sc->bdev, "bpsm%d", unit)) != 0) 1972 goto out; 1973 1974 #ifdef EVDEV_SUPPORT 1975 switch (sc->hw.model) { 1976 case MOUSE_MODEL_SYNAPTICS: 1977 error = psm_register_synaptics(dev); 1978 break; 1979 1980 case MOUSE_MODEL_ELANTECH: 1981 error = psm_register_elantech(dev); 1982 break; 1983 1984 default: 1985 error = psm_register(dev, sc->hw.model); 1986 } 1987 1988 if (error) 1989 goto out; 1990 #endif 1991 1992 /* Some touchpad devices need full reinitialization after suspend. */ 1993 switch (sc->hw.model) { 1994 case MOUSE_MODEL_SYNAPTICS: 1995 case MOUSE_MODEL_GLIDEPOINT: 1996 case MOUSE_MODEL_VERSAPAD: 1997 case MOUSE_MODEL_ELANTECH: 1998 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1999 break; 2000 default: 2001 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 2002 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2003 break; 2004 } 2005 2006 /* Elantech trackpad`s sync bit differs from touchpad`s one */ 2007 if (sc->hw.model == MOUSE_MODEL_ELANTECH && 2008 (sc->elanhw.hascrc || sc->elanhw.hastrackpoint)) { 2009 sc->config |= PSM_CONFIG_NOCHECKSYNC; 2010 sc->flags &= ~PSM_NEED_SYNCBITS; 2011 } 2012 2013 if (!verbose) 2014 device_printf(dev, "model %s, device ID %d\n", 2015 model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 2016 else { 2017 device_printf(dev, "model %s, device ID %d-%02x, %d buttons\n", 2018 model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 2019 sc->hw.hwid >> 8, sc->hw.buttons); 2020 device_printf(dev, "config:%08x, flags:%08x, packet size:%d\n", 2021 sc->config, sc->flags, sc->mode.packetsize); 2022 device_printf(dev, "syncmask:%02x, syncbits:%02x%s\n", 2023 sc->mode.syncmask[0], sc->mode.syncmask[1], 2024 sc->config & PSM_CONFIG_NOCHECKSYNC ? " (sync not checked)" : ""); 2025 } 2026 2027 if (bootverbose) 2028 --verbose; 2029 2030 out: 2031 if (error != 0) { 2032 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2033 if (sc->dev != NULL) 2034 destroy_dev(sc->cdev); 2035 if (sc->bdev != NULL) 2036 destroy_dev(sc->bdev); 2037 } 2038 return (error); 2039 } 2040 2041 static int 2042 psmdetach(device_t dev) 2043 { 2044 struct psm_softc *sc; 2045 int rid; 2046 2047 sc = device_get_softc(dev); 2048 if (sc->state & PSM_OPEN) 2049 return (EBUSY); 2050 2051 #ifdef EVDEV_SUPPORT 2052 evdev_free(sc->evdev_r); 2053 evdev_free(sc->evdev_a); 2054 #endif 2055 2056 rid = KBDC_RID_AUX; 2057 bus_teardown_intr(dev, sc->intr, sc->ih); 2058 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2059 2060 destroy_dev(sc->cdev); 2061 destroy_dev(sc->bdev); 2062 2063 callout_drain(&sc->callout); 2064 callout_drain(&sc->softcallout); 2065 2066 return (0); 2067 } 2068 2069 #ifdef EVDEV_SUPPORT 2070 static int 2071 psm_ev_open_r(struct evdev_dev *evdev) 2072 { 2073 struct psm_softc *sc = evdev_get_softc(evdev); 2074 int err = 0; 2075 2076 /* Get device data */ 2077 if ((sc->state & PSM_VALID) == 0) { 2078 /* the device is no longer valid/functioning */ 2079 return (ENXIO); 2080 } 2081 2082 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2083 err = psmopen(sc); 2084 2085 if (err == 0) 2086 sc->state |= PSM_EV_OPEN_R; 2087 2088 return (err); 2089 } 2090 2091 static int 2092 psm_ev_close_r(struct evdev_dev *evdev) 2093 { 2094 struct psm_softc *sc = evdev_get_softc(evdev); 2095 int err = 0; 2096 2097 sc->state &= ~PSM_EV_OPEN_R; 2098 2099 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2100 return (0); 2101 2102 if (sc->state & PSM_VALID) 2103 err = psmclose(sc); 2104 2105 return (err); 2106 } 2107 2108 static int 2109 psm_ev_open_a(struct evdev_dev *evdev) 2110 { 2111 struct psm_softc *sc = evdev_get_softc(evdev); 2112 int err = 0; 2113 2114 /* Get device data */ 2115 if ((sc->state & PSM_VALID) == 0) { 2116 /* the device is no longer valid/functioning */ 2117 return (ENXIO); 2118 } 2119 2120 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2121 err = psmopen(sc); 2122 2123 if (err == 0) 2124 sc->state |= PSM_EV_OPEN_A; 2125 2126 return (err); 2127 } 2128 2129 static int 2130 psm_ev_close_a(struct evdev_dev *evdev) 2131 { 2132 struct psm_softc *sc = evdev_get_softc(evdev); 2133 int err = 0; 2134 2135 sc->state &= ~PSM_EV_OPEN_A; 2136 2137 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2138 return (0); 2139 2140 if (sc->state & PSM_VALID) 2141 err = psmclose(sc); 2142 2143 return (err); 2144 } 2145 #endif 2146 2147 static int 2148 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2149 { 2150 struct psm_softc *sc; 2151 int err = 0; 2152 2153 /* Get device data */ 2154 sc = dev->si_drv1; 2155 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2156 /* the device is no longer valid/functioning */ 2157 return (ENXIO); 2158 } 2159 2160 /* Disallow multiple opens */ 2161 if (sc->state & PSM_OPEN) 2162 return (EBUSY); 2163 2164 device_busy(sc->dev); 2165 2166 #ifdef EVDEV_SUPPORT 2167 /* Already opened by evdev */ 2168 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2169 #endif 2170 err = psmopen(sc); 2171 2172 if (err == 0) 2173 sc->state |= PSM_OPEN; 2174 else 2175 device_unbusy(sc->dev); 2176 2177 return (err); 2178 } 2179 2180 static int 2181 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2182 { 2183 struct psm_softc *sc; 2184 int err = 0; 2185 2186 /* Get device data */ 2187 sc = dev->si_drv1; 2188 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2189 /* the device is no longer valid/functioning */ 2190 return (ENXIO); 2191 } 2192 2193 #ifdef EVDEV_SUPPORT 2194 /* Still opened by evdev */ 2195 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2196 #endif 2197 err = psmclose(sc); 2198 2199 if (err == 0) { 2200 sc->state &= ~PSM_OPEN; 2201 /* clean up and sigio requests */ 2202 if (sc->async != NULL) { 2203 funsetown(&sc->async); 2204 sc->async = NULL; 2205 } 2206 device_unbusy(sc->dev); 2207 } 2208 2209 return (err); 2210 } 2211 2212 static int 2213 psmopen(struct psm_softc *sc) 2214 { 2215 int command_byte; 2216 int err; 2217 int s; 2218 2219 /* Initialize state */ 2220 sc->mode.level = sc->dflt_mode.level; 2221 sc->mode.protocol = sc->dflt_mode.protocol; 2222 sc->watchdog = FALSE; 2223 sc->async = NULL; 2224 2225 /* flush the event queue */ 2226 sc->queue.count = 0; 2227 sc->queue.head = 0; 2228 sc->queue.tail = 0; 2229 sc->status.flags = 0; 2230 sc->status.button = 0; 2231 sc->status.obutton = 0; 2232 sc->status.dx = 0; 2233 sc->status.dy = 0; 2234 sc->status.dz = 0; 2235 sc->button = 0; 2236 sc->pqueue_start = 0; 2237 sc->pqueue_end = 0; 2238 2239 /* empty input buffer */ 2240 flushpackets(sc); 2241 sc->syncerrors = 0; 2242 sc->pkterrors = 0; 2243 2244 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2245 if (!kbdc_lock(sc->kbdc, TRUE)) 2246 return (EIO); 2247 2248 /* save the current controller command byte */ 2249 s = spltty(); 2250 command_byte = get_controller_command_byte(sc->kbdc); 2251 2252 /* enable the aux port and temporalily disable the keyboard */ 2253 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2254 kbdc_get_device_mask(sc->kbdc), 2255 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2256 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2257 /* CONTROLLER ERROR; do you know how to get out of this? */ 2258 kbdc_lock(sc->kbdc, FALSE); 2259 splx(s); 2260 device_log(sc->dev, LOG_ERR, 2261 "unable to set the command byte (psmopen).\n"); 2262 return (EIO); 2263 } 2264 /* 2265 * Now that the keyboard controller is told not to generate 2266 * the keyboard and mouse interrupts, call `splx()' to allow 2267 * the other tty interrupts. The clock interrupt may also occur, 2268 * but timeout routines will be blocked by the poll flag set 2269 * via `kbdc_lock()' 2270 */ 2271 splx(s); 2272 2273 /* enable the mouse device */ 2274 err = doopen(sc, command_byte); 2275 2276 /* done */ 2277 kbdc_lock(sc->kbdc, FALSE); 2278 return (err); 2279 } 2280 2281 static int 2282 psmclose(struct psm_softc *sc) 2283 { 2284 int stat[3]; 2285 int command_byte; 2286 int s; 2287 2288 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2289 if (!kbdc_lock(sc->kbdc, TRUE)) 2290 return (EIO); 2291 2292 /* save the current controller command byte */ 2293 s = spltty(); 2294 command_byte = get_controller_command_byte(sc->kbdc); 2295 if (command_byte == -1) { 2296 kbdc_lock(sc->kbdc, FALSE); 2297 splx(s); 2298 return (EIO); 2299 } 2300 2301 /* disable the aux interrupt and temporalily disable the keyboard */ 2302 if (!set_controller_command_byte(sc->kbdc, 2303 kbdc_get_device_mask(sc->kbdc), 2304 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2305 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2306 device_log(sc->dev, LOG_ERR, 2307 "failed to disable the aux int (psmclose).\n"); 2308 /* CONTROLLER ERROR; 2309 * NOTE: we shall force our way through. Because the only 2310 * ill effect we shall see is that we may not be able 2311 * to read ACK from the mouse, and it doesn't matter much 2312 * so long as the mouse will accept the DISABLE command. 2313 */ 2314 } 2315 splx(s); 2316 2317 /* stop the watchdog timer */ 2318 callout_stop(&sc->callout); 2319 2320 /* remove anything left in the output buffer */ 2321 empty_aux_buffer(sc->kbdc, 10); 2322 2323 /* disable the aux device, port and interrupt */ 2324 if (sc->state & PSM_VALID) { 2325 if (!disable_aux_dev(sc->kbdc)) { 2326 /* MOUSE ERROR; 2327 * NOTE: we don't return (error) and continue, 2328 * pretending we have successfully disabled the device. 2329 * It's OK because the interrupt routine will discard 2330 * any data from the mouse hereafter. 2331 */ 2332 device_log(sc->dev, LOG_ERR, 2333 "failed to disable the device (psmclose).\n"); 2334 } 2335 2336 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2337 device_log(sc->dev, LOG_DEBUG, 2338 "failed to get status (psmclose).\n"); 2339 } 2340 2341 if (!set_controller_command_byte(sc->kbdc, 2342 kbdc_get_device_mask(sc->kbdc), 2343 (command_byte & KBD_KBD_CONTROL_BITS) | 2344 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2345 /* 2346 * CONTROLLER ERROR; 2347 * we shall ignore this error; see the above comment. 2348 */ 2349 device_log(sc->dev, LOG_ERR, 2350 "failed to disable the aux port (psmclose).\n"); 2351 } 2352 2353 /* remove anything left in the output buffer */ 2354 empty_aux_buffer(sc->kbdc, 10); 2355 2356 /* close is almost always successful */ 2357 kbdc_lock(sc->kbdc, FALSE); 2358 return (0); 2359 } 2360 2361 static int 2362 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2363 u_char *buf) 2364 { 2365 static u_char butmapps2[8] = { 2366 0, 2367 MOUSE_PS2_BUTTON1DOWN, 2368 MOUSE_PS2_BUTTON2DOWN, 2369 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2370 MOUSE_PS2_BUTTON3DOWN, 2371 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2372 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2373 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2374 MOUSE_PS2_BUTTON3DOWN, 2375 }; 2376 static u_char butmapmsc[8] = { 2377 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2378 MOUSE_MSC_BUTTON3UP, 2379 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2380 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2381 MOUSE_MSC_BUTTON3UP, 2382 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2383 MOUSE_MSC_BUTTON2UP, 2384 MOUSE_MSC_BUTTON1UP, 2385 0, 2386 }; 2387 int mapped; 2388 int i; 2389 2390 if (sc->mode.level == PSM_LEVEL_BASE) { 2391 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2392 if (status->button & MOUSE_BUTTON4DOWN) 2393 mapped |= MOUSE_BUTTON1DOWN; 2394 status->button = mapped; 2395 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2396 i = imax(imin(status->dx, 255), -256); 2397 if (i < 0) 2398 buf[0] |= MOUSE_PS2_XNEG; 2399 buf[1] = i; 2400 i = imax(imin(status->dy, 255), -256); 2401 if (i < 0) 2402 buf[0] |= MOUSE_PS2_YNEG; 2403 buf[2] = i; 2404 return (MOUSE_PS2_PACKETSIZE); 2405 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2406 buf[0] = MOUSE_MSC_SYNC | 2407 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2408 i = imax(imin(status->dx, 255), -256); 2409 buf[1] = i >> 1; 2410 buf[3] = i - buf[1]; 2411 i = imax(imin(status->dy, 255), -256); 2412 buf[2] = i >> 1; 2413 buf[4] = i - buf[2]; 2414 i = imax(imin(status->dz, 127), -128); 2415 buf[5] = (i >> 1) & 0x7f; 2416 buf[6] = (i - (i >> 1)) & 0x7f; 2417 buf[7] = (~status->button >> 3) & 0x7f; 2418 return (MOUSE_SYS_PACKETSIZE); 2419 } 2420 return (pb->inputbytes); 2421 } 2422 2423 static int 2424 psmread(struct cdev *dev, struct uio *uio, int flag) 2425 { 2426 struct psm_softc *sc = dev->si_drv1; 2427 u_char buf[PSM_SMALLBUFSIZE]; 2428 int error = 0; 2429 int s; 2430 int l; 2431 2432 if ((sc->state & PSM_VALID) == 0) 2433 return (EIO); 2434 2435 /* block until mouse activity occurred */ 2436 s = spltty(); 2437 while (sc->queue.count <= 0) { 2438 if (dev != sc->bdev) { 2439 splx(s); 2440 return (EWOULDBLOCK); 2441 } 2442 sc->state |= PSM_ASLP; 2443 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2444 sc->state &= ~PSM_ASLP; 2445 if (error) { 2446 splx(s); 2447 return (error); 2448 } else if ((sc->state & PSM_VALID) == 0) { 2449 /* the device disappeared! */ 2450 splx(s); 2451 return (EIO); 2452 } 2453 } 2454 splx(s); 2455 2456 /* copy data to the user land */ 2457 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2458 s = spltty(); 2459 l = imin(sc->queue.count, uio->uio_resid); 2460 if (l > sizeof(buf)) 2461 l = sizeof(buf); 2462 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2463 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2464 sizeof(sc->queue.buf) - sc->queue.head); 2465 bcopy(&sc->queue.buf[0], 2466 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2467 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2468 } else 2469 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2470 sc->queue.count -= l; 2471 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2472 splx(s); 2473 error = uiomove(buf, l, uio); 2474 if (error) 2475 break; 2476 } 2477 2478 return (error); 2479 } 2480 2481 static int 2482 block_mouse_data(struct psm_softc *sc, int *c) 2483 { 2484 int s; 2485 2486 if (!kbdc_lock(sc->kbdc, TRUE)) 2487 return (EIO); 2488 2489 s = spltty(); 2490 *c = get_controller_command_byte(sc->kbdc); 2491 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2492 kbdc_get_device_mask(sc->kbdc), 2493 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2494 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2495 /* this is CONTROLLER ERROR */ 2496 splx(s); 2497 kbdc_lock(sc->kbdc, FALSE); 2498 return (EIO); 2499 } 2500 2501 /* 2502 * The device may be in the middle of status data transmission. 2503 * The transmission will be interrupted, thus, incomplete status 2504 * data must be discarded. Although the aux interrupt is disabled 2505 * at the keyboard controller level, at most one aux interrupt 2506 * may have already been pending and a data byte is in the 2507 * output buffer; throw it away. Note that the second argument 2508 * to `empty_aux_buffer()' is zero, so that the call will just 2509 * flush the internal queue. 2510 * `psmintr()' will be invoked after `splx()' if an interrupt is 2511 * pending; it will see no data and returns immediately. 2512 */ 2513 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2514 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2515 flushpackets(sc); 2516 splx(s); 2517 2518 return (0); 2519 } 2520 2521 static void 2522 dropqueue(struct psm_softc *sc) 2523 { 2524 2525 sc->queue.count = 0; 2526 sc->queue.head = 0; 2527 sc->queue.tail = 0; 2528 if ((sc->state & PSM_SOFTARMED) != 0) { 2529 sc->state &= ~PSM_SOFTARMED; 2530 callout_stop(&sc->softcallout); 2531 } 2532 sc->pqueue_start = sc->pqueue_end; 2533 } 2534 2535 static void 2536 flushpackets(struct psm_softc *sc) 2537 { 2538 2539 dropqueue(sc); 2540 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2541 } 2542 2543 static int 2544 unblock_mouse_data(struct psm_softc *sc, int c) 2545 { 2546 int error = 0; 2547 2548 /* 2549 * We may have seen a part of status data during `set_mouse_XXX()'. 2550 * they have been queued; flush it. 2551 */ 2552 empty_aux_buffer(sc->kbdc, 0); 2553 2554 /* restore ports and interrupt */ 2555 if (!set_controller_command_byte(sc->kbdc, 2556 kbdc_get_device_mask(sc->kbdc), 2557 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2558 /* 2559 * CONTROLLER ERROR; this is serious, we may have 2560 * been left with the inaccessible keyboard and 2561 * the disabled mouse interrupt. 2562 */ 2563 error = EIO; 2564 } 2565 2566 kbdc_lock(sc->kbdc, FALSE); 2567 return (error); 2568 } 2569 2570 static int 2571 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2572 { 2573 struct psm_softc *sc = dev->si_drv1; 2574 u_char buf[PSM_SMALLBUFSIZE]; 2575 int error = 0, i, l; 2576 2577 if ((sc->state & PSM_VALID) == 0) 2578 return (EIO); 2579 2580 if (sc->mode.level < PSM_LEVEL_NATIVE) 2581 return (ENODEV); 2582 2583 /* copy data from the user land */ 2584 while (uio->uio_resid > 0) { 2585 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2586 error = uiomove(buf, l, uio); 2587 if (error) 2588 break; 2589 for (i = 0; i < l; i++) { 2590 VDLOG(4, sc->dev, LOG_DEBUG, "cmd 0x%x\n", buf[i]); 2591 if (!write_aux_command(sc->kbdc, buf[i])) { 2592 VDLOG(2, sc->dev, LOG_DEBUG, 2593 "cmd 0x%x failed.\n", buf[i]); 2594 return (reinitialize(sc, FALSE)); 2595 } 2596 } 2597 } 2598 2599 return (error); 2600 } 2601 2602 static int 2603 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2604 struct thread *td) 2605 { 2606 struct psm_softc *sc = dev->si_drv1; 2607 mousemode_t mode; 2608 mousestatus_t status; 2609 mousedata_t *data; 2610 int stat[3]; 2611 int command_byte; 2612 int error = 0; 2613 int s; 2614 2615 /* Perform IOCTL command */ 2616 switch (cmd) { 2617 case OLD_MOUSE_GETHWINFO: 2618 s = spltty(); 2619 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2620 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2621 ((old_mousehw_t *)addr)->type = sc->hw.type; 2622 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2623 splx(s); 2624 break; 2625 2626 case MOUSE_GETHWINFO: 2627 s = spltty(); 2628 *(mousehw_t *)addr = sc->hw; 2629 if (sc->mode.level == PSM_LEVEL_BASE) 2630 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2631 splx(s); 2632 break; 2633 2634 case MOUSE_SYN_GETHWINFO: 2635 s = spltty(); 2636 if (sc->synhw.infoMajor >= 4) 2637 *(synapticshw_t *)addr = sc->synhw; 2638 else 2639 error = EINVAL; 2640 splx(s); 2641 break; 2642 2643 case OLD_MOUSE_GETMODE: 2644 s = spltty(); 2645 switch (sc->mode.level) { 2646 case PSM_LEVEL_BASE: 2647 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2648 break; 2649 case PSM_LEVEL_STANDARD: 2650 ((old_mousemode_t *)addr)->protocol = 2651 MOUSE_PROTO_SYSMOUSE; 2652 break; 2653 case PSM_LEVEL_NATIVE: 2654 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2655 break; 2656 } 2657 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2658 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2659 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2660 splx(s); 2661 break; 2662 2663 case MOUSE_GETMODE: 2664 s = spltty(); 2665 *(mousemode_t *)addr = sc->mode; 2666 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2667 ((mousemode_t *)addr)->syncmask[0] = 0; 2668 ((mousemode_t *)addr)->syncmask[1] = 0; 2669 } 2670 ((mousemode_t *)addr)->resolution = 2671 MOUSE_RES_LOW - sc->mode.resolution; 2672 switch (sc->mode.level) { 2673 case PSM_LEVEL_BASE: 2674 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2675 ((mousemode_t *)addr)->packetsize = 2676 MOUSE_PS2_PACKETSIZE; 2677 break; 2678 case PSM_LEVEL_STANDARD: 2679 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2680 ((mousemode_t *)addr)->packetsize = 2681 MOUSE_SYS_PACKETSIZE; 2682 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2683 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2684 break; 2685 case PSM_LEVEL_NATIVE: 2686 /* FIXME: this isn't quite correct... XXX */ 2687 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2688 break; 2689 } 2690 splx(s); 2691 break; 2692 2693 case OLD_MOUSE_SETMODE: 2694 case MOUSE_SETMODE: 2695 if (cmd == OLD_MOUSE_SETMODE) { 2696 mode.rate = ((old_mousemode_t *)addr)->rate; 2697 /* 2698 * resolution old I/F new I/F 2699 * default 0 0 2700 * low 1 -2 2701 * medium low 2 -3 2702 * medium high 3 -4 2703 * high 4 -5 2704 */ 2705 if (((old_mousemode_t *)addr)->resolution > 0) 2706 mode.resolution = 2707 -((old_mousemode_t *)addr)->resolution - 1; 2708 else 2709 mode.resolution = 0; 2710 mode.accelfactor = 2711 ((old_mousemode_t *)addr)->accelfactor; 2712 mode.level = -1; 2713 } else 2714 mode = *(mousemode_t *)addr; 2715 2716 /* adjust and validate parameters. */ 2717 if (mode.rate > UCHAR_MAX) 2718 return (EINVAL); 2719 if (mode.rate == 0) 2720 mode.rate = sc->dflt_mode.rate; 2721 else if (mode.rate == -1) 2722 /* don't change the current setting */ 2723 ; 2724 else if (mode.rate < 0) 2725 return (EINVAL); 2726 if (mode.resolution >= UCHAR_MAX) 2727 return (EINVAL); 2728 if (mode.resolution >= 200) 2729 mode.resolution = MOUSE_RES_HIGH; 2730 else if (mode.resolution >= 100) 2731 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2732 else if (mode.resolution >= 50) 2733 mode.resolution = MOUSE_RES_MEDIUMLOW; 2734 else if (mode.resolution > 0) 2735 mode.resolution = MOUSE_RES_LOW; 2736 if (mode.resolution == MOUSE_RES_DEFAULT) 2737 mode.resolution = sc->dflt_mode.resolution; 2738 else if (mode.resolution == -1) 2739 /* don't change the current setting */ 2740 ; 2741 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2742 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2743 if (mode.level == -1) 2744 /* don't change the current setting */ 2745 mode.level = sc->mode.level; 2746 else if ((mode.level < PSM_LEVEL_MIN) || 2747 (mode.level > PSM_LEVEL_MAX)) 2748 return (EINVAL); 2749 if (mode.accelfactor == -1) 2750 /* don't change the current setting */ 2751 mode.accelfactor = sc->mode.accelfactor; 2752 else if (mode.accelfactor < 0) 2753 return (EINVAL); 2754 2755 /* don't allow anybody to poll the keyboard controller */ 2756 error = block_mouse_data(sc, &command_byte); 2757 if (error) 2758 return (error); 2759 2760 /* set mouse parameters */ 2761 if (mode.rate > 0) 2762 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2763 mode.rate); 2764 if (mode.resolution >= 0) 2765 mode.resolution = 2766 set_mouse_resolution(sc->kbdc, mode.resolution); 2767 set_mouse_scaling(sc->kbdc, 1); 2768 get_mouse_status(sc->kbdc, stat, 0, 3); 2769 2770 s = spltty(); 2771 sc->mode.rate = mode.rate; 2772 sc->mode.resolution = mode.resolution; 2773 sc->mode.accelfactor = mode.accelfactor; 2774 sc->mode.level = mode.level; 2775 splx(s); 2776 2777 unblock_mouse_data(sc, command_byte); 2778 break; 2779 2780 case MOUSE_GETLEVEL: 2781 *(int *)addr = sc->mode.level; 2782 break; 2783 2784 case MOUSE_SETLEVEL: 2785 if ((*(int *)addr < PSM_LEVEL_MIN) || 2786 (*(int *)addr > PSM_LEVEL_MAX)) 2787 return (EINVAL); 2788 sc->mode.level = *(int *)addr; 2789 break; 2790 2791 case MOUSE_GETSTATUS: 2792 s = spltty(); 2793 status = sc->status; 2794 sc->status.flags = 0; 2795 sc->status.obutton = sc->status.button; 2796 sc->status.button = 0; 2797 sc->status.dx = 0; 2798 sc->status.dy = 0; 2799 sc->status.dz = 0; 2800 splx(s); 2801 *(mousestatus_t *)addr = status; 2802 break; 2803 2804 case MOUSE_READSTATE: 2805 case MOUSE_READDATA: 2806 data = (mousedata_t *)addr; 2807 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2808 return (EINVAL); 2809 2810 error = block_mouse_data(sc, &command_byte); 2811 if (error) 2812 return (error); 2813 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2814 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2815 error = EIO; 2816 unblock_mouse_data(sc, command_byte); 2817 break; 2818 2819 #if (defined(MOUSE_SETRESOLUTION)) 2820 case MOUSE_SETRESOLUTION: 2821 mode.resolution = *(int *)addr; 2822 if (mode.resolution >= UCHAR_MAX) 2823 return (EINVAL); 2824 else if (mode.resolution >= 200) 2825 mode.resolution = MOUSE_RES_HIGH; 2826 else if (mode.resolution >= 100) 2827 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2828 else if (mode.resolution >= 50) 2829 mode.resolution = MOUSE_RES_MEDIUMLOW; 2830 else if (mode.resolution > 0) 2831 mode.resolution = MOUSE_RES_LOW; 2832 if (mode.resolution == MOUSE_RES_DEFAULT) 2833 mode.resolution = sc->dflt_mode.resolution; 2834 else if (mode.resolution == -1) 2835 mode.resolution = sc->mode.resolution; 2836 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2837 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2838 2839 error = block_mouse_data(sc, &command_byte); 2840 if (error) 2841 return (error); 2842 sc->mode.resolution = 2843 set_mouse_resolution(sc->kbdc, mode.resolution); 2844 if (sc->mode.resolution != mode.resolution) 2845 error = EIO; 2846 unblock_mouse_data(sc, command_byte); 2847 break; 2848 #endif /* MOUSE_SETRESOLUTION */ 2849 2850 #if (defined(MOUSE_SETRATE)) 2851 case MOUSE_SETRATE: 2852 mode.rate = *(int *)addr; 2853 if (mode.rate > UCHAR_MAX) 2854 return (EINVAL); 2855 if (mode.rate == 0) 2856 mode.rate = sc->dflt_mode.rate; 2857 else if (mode.rate < 0) 2858 mode.rate = sc->mode.rate; 2859 2860 error = block_mouse_data(sc, &command_byte); 2861 if (error) 2862 return (error); 2863 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2864 if (sc->mode.rate != mode.rate) 2865 error = EIO; 2866 unblock_mouse_data(sc, command_byte); 2867 break; 2868 #endif /* MOUSE_SETRATE */ 2869 2870 #if (defined(MOUSE_SETSCALING)) 2871 case MOUSE_SETSCALING: 2872 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2873 return (EINVAL); 2874 2875 error = block_mouse_data(sc, &command_byte); 2876 if (error) 2877 return (error); 2878 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2879 error = EIO; 2880 unblock_mouse_data(sc, command_byte); 2881 break; 2882 #endif /* MOUSE_SETSCALING */ 2883 2884 #if (defined(MOUSE_GETHWID)) 2885 case MOUSE_GETHWID: 2886 error = block_mouse_data(sc, &command_byte); 2887 if (error) 2888 return (error); 2889 sc->hw.hwid &= ~0x00ff; 2890 sc->hw.hwid |= get_aux_id(sc->kbdc); 2891 *(int *)addr = sc->hw.hwid & 0x00ff; 2892 unblock_mouse_data(sc, command_byte); 2893 break; 2894 #endif /* MOUSE_GETHWID */ 2895 2896 case FIONBIO: 2897 case FIOASYNC: 2898 break; 2899 case FIOSETOWN: 2900 error = fsetown(*(int *)addr, &sc->async); 2901 break; 2902 case FIOGETOWN: 2903 *(int *) addr = fgetown(&sc->async); 2904 break; 2905 default: 2906 return (ENOTTY); 2907 } 2908 2909 return (error); 2910 } 2911 2912 static void 2913 psmtimeout(void *arg) 2914 { 2915 struct psm_softc *sc; 2916 int s; 2917 2918 sc = (struct psm_softc *)arg; 2919 s = spltty(); 2920 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2921 VDLOG(6, sc->dev, LOG_DEBUG, "lost interrupt?\n"); 2922 psmintr(sc); 2923 kbdc_lock(sc->kbdc, FALSE); 2924 } 2925 sc->watchdog = TRUE; 2926 splx(s); 2927 callout_reset(&sc->callout, hz, psmtimeout, sc); 2928 } 2929 2930 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2931 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2932 "ps/2 mouse"); 2933 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2934 "ps/2 mouse"); 2935 2936 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RWTUN, &verbose, 0, 2937 "Verbosity level"); 2938 2939 static int psmhz = 20; 2940 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2941 "Frequency of the softcallout (in hz)"); 2942 static int psmerrsecs = 2; 2943 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2944 "Number of seconds during which packets will dropped after a sync error"); 2945 static int psmerrusecs = 0; 2946 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2947 "Microseconds to add to psmerrsecs"); 2948 static int psmsecs = 0; 2949 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2950 "Max number of seconds between soft interrupts"); 2951 static int psmusecs = 500000; 2952 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2953 "Microseconds to add to psmsecs"); 2954 static int pkterrthresh = 2; 2955 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2956 "Number of error packets allowed before reinitializing the mouse"); 2957 2958 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RWTUN, &tap_enabled, 0, 2959 "Enable tap and drag gestures"); 2960 static int tap_threshold = PSM_TAP_THRESHOLD; 2961 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2962 "Button tap threshold"); 2963 static int tap_timeout = PSM_TAP_TIMEOUT; 2964 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2965 "Tap timeout for touchpads"); 2966 2967 /* Tunables */ 2968 SYSCTL_INT(_hw_psm, OID_AUTO, synaptics_support, CTLFLAG_RDTUN, 2969 &synaptics_support, 0, "Enable support for Synaptics touchpads"); 2970 2971 SYSCTL_INT(_hw_psm, OID_AUTO, trackpoint_support, CTLFLAG_RDTUN, 2972 &trackpoint_support, 0, "Enable support for IBM/Lenovo TrackPoint"); 2973 2974 SYSCTL_INT(_hw_psm, OID_AUTO, elantech_support, CTLFLAG_RDTUN, 2975 &elantech_support, 0, "Enable support for Elantech touchpads"); 2976 2977 SYSCTL_INT(_hw_psm, OID_AUTO, mux_disabled, CTLFLAG_RDTUN, 2978 &mux_disabled, 0, "Disable active multiplexing"); 2979 2980 static void 2981 psmintr(void *arg) 2982 { 2983 struct psm_softc *sc = arg; 2984 struct timeval now; 2985 int c; 2986 packetbuf_t *pb; 2987 2988 if (aux_mux_is_enabled(sc->kbdc)) 2989 VLOG(2, (LOG_DEBUG, "psmintr: active multiplexing mode is not " 2990 "supported!\n")); 2991 2992 /* read until there is nothing to read */ 2993 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2994 pb = &sc->pqueue[sc->pqueue_end]; 2995 2996 /* discard the byte if the device is not open */ 2997 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2998 continue; 2999 3000 getmicrouptime(&now); 3001 if ((pb->inputbytes > 0) && 3002 timevalcmp(&now, &sc->inputtimeout, >)) { 3003 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 3004 "resetting byte count\n")); 3005 pb->inputbytes = 0; 3006 sc->syncerrors = 0; 3007 sc->pkterrors = 0; 3008 } 3009 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 3010 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 3011 timevaladd(&sc->inputtimeout, &now); 3012 3013 pb->ipacket[pb->inputbytes++] = c; 3014 3015 if (sc->mode.level == PSM_LEVEL_NATIVE) { 3016 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 3017 sc->syncerrors = 0; 3018 sc->pkterrors = 0; 3019 goto next; 3020 } else { 3021 if (pb->inputbytes < sc->mode.packetsize) 3022 continue; 3023 3024 VLOG(4, (LOG_DEBUG, 3025 "psmintr: %02x %02x %02x %02x %02x %02x\n", 3026 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3027 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3028 } 3029 3030 c = pb->ipacket[0]; 3031 3032 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 3033 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 3034 sc->flags &= ~PSM_NEED_SYNCBITS; 3035 VLOG(2, (LOG_DEBUG, 3036 "psmintr: Sync bytes now %04x,%04x\n", 3037 sc->mode.syncmask[0], sc->mode.syncmask[1])); 3038 } else if ((sc->config & PSM_CONFIG_NOCHECKSYNC) == 0 && 3039 (c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 3040 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 3041 "(%04x != %04x) %d cmds since last error.\n", 3042 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 3043 sc->cmdcount - sc->lasterr)); 3044 sc->lasterr = sc->cmdcount; 3045 /* 3046 * The sync byte test is a weak measure of packet 3047 * validity. Conservatively discard any input yet 3048 * to be seen by userland when we detect a sync 3049 * error since there is a good chance some of 3050 * the queued packets have undetected errors. 3051 */ 3052 dropqueue(sc); 3053 if (sc->syncerrors == 0) 3054 sc->pkterrors++; 3055 ++sc->syncerrors; 3056 sc->lastinputerr = now; 3057 if (sc->syncerrors >= sc->mode.packetsize * 2 || 3058 sc->pkterrors >= pkterrthresh) { 3059 /* 3060 * If we've failed to find a single sync byte 3061 * in 2 packets worth of data, or we've seen 3062 * persistent packet errors during the 3063 * validation period, reinitialize the mouse 3064 * in hopes of returning it to the expected 3065 * mode. 3066 */ 3067 VLOG(3, (LOG_DEBUG, 3068 "psmintr: reset the mouse.\n")); 3069 reinitialize(sc, TRUE); 3070 } else if (sc->syncerrors == sc->mode.packetsize) { 3071 /* 3072 * Try a soft reset after searching for a sync 3073 * byte through a packet length of bytes. 3074 */ 3075 VLOG(3, (LOG_DEBUG, 3076 "psmintr: re-enable the mouse.\n")); 3077 pb->inputbytes = 0; 3078 disable_aux_dev(sc->kbdc); 3079 enable_aux_dev(sc->kbdc); 3080 } else { 3081 VLOG(3, (LOG_DEBUG, 3082 "psmintr: discard a byte (%d)\n", 3083 sc->syncerrors)); 3084 pb->inputbytes--; 3085 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3086 pb->inputbytes); 3087 } 3088 continue; 3089 } 3090 3091 /* 3092 * We have what appears to be a valid packet. 3093 * Reset the error counters. 3094 */ 3095 sc->syncerrors = 0; 3096 3097 /* 3098 * Drop even good packets if they occur within a timeout 3099 * period of a sync error. This allows the detection of 3100 * a change in the mouse's packet mode without exposing 3101 * erratic mouse behavior to the user. Some KVMs forget 3102 * enhanced mouse modes during switch events. 3103 */ 3104 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3105 &now)) { 3106 pb->inputbytes = 0; 3107 continue; 3108 } 3109 3110 /* 3111 * Now that we're out of the validation period, reset 3112 * the packet error count. 3113 */ 3114 sc->pkterrors = 0; 3115 3116 sc->cmdcount++; 3117 next: 3118 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3119 sc->pqueue_end = 0; 3120 /* 3121 * If we've filled the queue then call the softintr ourselves, 3122 * otherwise schedule the interrupt for later. 3123 * Do not postpone interrupts for absolute devices as it 3124 * affects tap detection timings. 3125 */ 3126 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS || 3127 sc->hw.model == MOUSE_MODEL_ELANTECH || 3128 !timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3129 (sc->pqueue_end == sc->pqueue_start)) { 3130 if ((sc->state & PSM_SOFTARMED) != 0) { 3131 sc->state &= ~PSM_SOFTARMED; 3132 callout_stop(&sc->softcallout); 3133 } 3134 psmsoftintr(arg); 3135 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3136 sc->state |= PSM_SOFTARMED; 3137 callout_reset(&sc->softcallout, 3138 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3139 } 3140 } 3141 } 3142 3143 static void 3144 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3145 int *x, int *y, int *z) 3146 { 3147 3148 /* 3149 * PS2++ protocol packet 3150 * 3151 * b7 b6 b5 b4 b3 b2 b1 b0 3152 * byte 1: * 1 p3 p2 1 * * * 3153 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3154 * 3155 * p3-p0: packet type 3156 * c1, c2: c1 & c2 == 1, if p2 == 0 3157 * c1 & c2 == 0, if p2 == 1 3158 * 3159 * packet type: 0 (device type) 3160 * See comments in enable_mmanplus() below. 3161 * 3162 * packet type: 1 (wheel data) 3163 * 3164 * b7 b6 b5 b4 b3 b2 b1 b0 3165 * byte 3: h * B5 B4 s d2 d1 d0 3166 * 3167 * h: 1, if horizontal roller data 3168 * 0, if vertical roller data 3169 * B4, B5: button 4 and 5 3170 * s: sign bit 3171 * d2-d0: roller data 3172 * 3173 * packet type: 2 (reserved) 3174 */ 3175 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3176 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3177 /* 3178 * the extended data packet encodes button 3179 * and wheel events 3180 */ 3181 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3182 case 1: 3183 /* wheel data packet */ 3184 *x = *y = 0; 3185 if (pb->ipacket[2] & 0x80) { 3186 /* XXX horizontal roller count - ignore it */ 3187 ; 3188 } else { 3189 /* vertical roller count */ 3190 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3191 (pb->ipacket[2] & 0x0f) - 16 : 3192 (pb->ipacket[2] & 0x0f); 3193 } 3194 ms->button |= (pb->ipacket[2] & 3195 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3196 MOUSE_BUTTON4DOWN : 0; 3197 ms->button |= (pb->ipacket[2] & 3198 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3199 MOUSE_BUTTON5DOWN : 0; 3200 break; 3201 case 2: 3202 /* 3203 * this packet type is reserved by 3204 * Logitech... 3205 */ 3206 /* 3207 * IBM ScrollPoint Mouse uses this 3208 * packet type to encode both vertical 3209 * and horizontal scroll movement. 3210 */ 3211 *x = *y = 0; 3212 /* horizontal count */ 3213 if (pb->ipacket[2] & 0x0f) 3214 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3215 -2 : 2; 3216 /* vertical count */ 3217 if (pb->ipacket[2] & 0xf0) 3218 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3219 -1 : 1; 3220 break; 3221 case 0: 3222 /* device type packet - shouldn't happen */ 3223 /* FALLTHROUGH */ 3224 default: 3225 *x = *y = 0; 3226 ms->button = ms->obutton; 3227 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3228 "type %d: 0x%02x 0x%02x 0x%02x\n", 3229 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3230 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3231 break; 3232 } 3233 } else { 3234 /* preserve button states */ 3235 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3236 } 3237 } 3238 3239 static int 3240 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3241 int *x, int *y, int *z) 3242 { 3243 static int touchpad_buttons; 3244 static int guest_buttons; 3245 static int ew_finger_count; 3246 static finger_t f[PSM_FINGERS]; 3247 int w, id, nfingers, palm, ewcode, extended_buttons, clickpad_pressed; 3248 3249 extended_buttons = 0; 3250 3251 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3252 * 3253 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3254 * ------------------------------------------------ 3255 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3256 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3257 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3258 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3259 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3260 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3261 * 3262 * Legend: 3263 * L: left physical mouse button 3264 * R: right physical mouse button 3265 * D: down button 3266 * U: up button 3267 * W: "wrist" value 3268 * X: x position 3269 * Y: y position 3270 * Z: pressure 3271 * 3272 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3273 * 3274 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3275 * ------------------------------------------------------ 3276 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3277 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3278 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3279 * 3280 * Legend: 3281 * M: Middle physical mouse button 3282 * E: Extended mouse buttons reported instead of low bits of X and Y 3283 * b1-b8: Extended mouse buttons 3284 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3285 * 4 and 5, for reading X and Y value they should be zeroed. 3286 * 3287 * Absolute reportable limits: 0 - 6143. 3288 * Typical bezel limits: 1472 - 5472. 3289 * Typical edge marings: 1632 - 5312. 3290 * 3291 * w = 3 Passthrough Packet 3292 * 3293 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3294 */ 3295 3296 if (!synaptics_support) 3297 return (0); 3298 3299 /* Sanity check for out of sync packets. */ 3300 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3301 (pb->ipacket[3] & 0xc8) != 0xc0) 3302 return (-1); 3303 3304 *x = *y = 0; 3305 ms->button = ms->obutton; 3306 3307 /* 3308 * Pressure value. 3309 * Interpretation: 3310 * z = 0 No finger contact 3311 * z = 10 Finger hovering near the pad 3312 * z = 30 Very light finger contact 3313 * z = 80 Normal finger contact 3314 * z = 110 Very heavy finger contact 3315 * z = 200 Finger lying flat on pad surface 3316 * z = 255 Maximum reportable Z 3317 */ 3318 *z = pb->ipacket[2]; 3319 3320 /* 3321 * Finger width value 3322 * Interpretation: 3323 * w = 0 Two finger on the pad (capMultiFinger needed) 3324 * w = 1 Three or more fingers (capMultiFinger needed) 3325 * w = 2 Pen (instead of finger) (capPen needed) 3326 * w = 3 Reserved (passthrough?) 3327 * w = 4-7 Finger of normal width (capPalmDetect needed) 3328 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3329 * w = 15 Maximum reportable width (capPalmDetect needed) 3330 */ 3331 /* XXX Is checking capExtended enough? */ 3332 if (sc->synhw.capExtended) 3333 w = ((pb->ipacket[0] & 0x30) >> 2) | 3334 ((pb->ipacket[0] & 0x04) >> 1) | 3335 ((pb->ipacket[3] & 0x04) >> 2); 3336 else { 3337 /* Assume a finger of regular width. */ 3338 w = 4; 3339 } 3340 3341 switch (w) { 3342 case 3: 3343 /* 3344 * Handle packets from the guest device. See: 3345 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3346 */ 3347 if (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX) { 3348 *x = ((pb->ipacket[1] & 0x10) ? 3349 pb->ipacket[4] - 256 : pb->ipacket[4]); 3350 *y = ((pb->ipacket[1] & 0x20) ? 3351 pb->ipacket[5] - 256 : pb->ipacket[5]); 3352 *z = 0; 3353 3354 guest_buttons = 0; 3355 if (pb->ipacket[1] & 0x01) 3356 guest_buttons |= MOUSE_BUTTON1DOWN; 3357 if (pb->ipacket[1] & 0x04) 3358 guest_buttons |= MOUSE_BUTTON2DOWN; 3359 if (pb->ipacket[1] & 0x02) 3360 guest_buttons |= MOUSE_BUTTON3DOWN; 3361 #ifdef EVDEV_SUPPORT 3362 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3363 evdev_push_rel(sc->evdev_r, REL_X, *x); 3364 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3365 evdev_push_mouse_btn(sc->evdev_r, 3366 guest_buttons | sc->extended_buttons); 3367 evdev_sync(sc->evdev_r); 3368 } 3369 #endif 3370 ms->button = touchpad_buttons | guest_buttons | 3371 sc->extended_buttons; 3372 } 3373 goto SYNAPTICS_END; 3374 3375 case 2: 3376 /* Handle Extended W mode packets */ 3377 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3378 #if PSM_FINGERS > 1 3379 switch (ewcode) { 3380 case 1: 3381 /* Secondary finger */ 3382 if (sc->synhw.capAdvancedGestures) 3383 f[1] = (finger_t) { 3384 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3385 pb->ipacket[1]) << 1, 3386 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3387 pb->ipacket[2]) << 1, 3388 .p = ((pb->ipacket[3] & 0x30) | 3389 (pb->ipacket[5] & 0x0f)) << 1, 3390 .w = PSM_FINGER_DEFAULT_W, 3391 .flags = PSM_FINGER_FUZZY, 3392 }; 3393 else if (sc->synhw.capReportsV) 3394 f[1] = (finger_t) { 3395 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3396 (pb->ipacket[1] & 0xfe)) << 1, 3397 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3398 (pb->ipacket[2] & 0xfe)) << 1, 3399 .p = ((pb->ipacket[3] & 0x30) | 3400 (pb->ipacket[5] & 0x0e)) << 1, 3401 .w = (((pb->ipacket[5] & 0x01) << 2) | 3402 ((pb->ipacket[2] & 0x01) << 1) | 3403 (pb->ipacket[1] & 0x01)) + 8, 3404 .flags = PSM_FINGER_FUZZY, 3405 }; 3406 break; 3407 case 2: 3408 ew_finger_count = pb->ipacket[1] & 0x0f; 3409 default: 3410 break; 3411 } 3412 #endif 3413 goto SYNAPTICS_END; 3414 3415 case 1: 3416 if (sc->synhw.capReportsV && ew_finger_count > 3) { 3417 nfingers = ew_finger_count; 3418 break; 3419 } 3420 /* FALLTHROUGH */ 3421 case 0: 3422 nfingers = w + 2; 3423 break; 3424 3425 default: 3426 nfingers = 1; 3427 } 3428 3429 if (sc->syninfo.touchpad_off) 3430 goto SYNAPTICS_END; 3431 3432 /* Button presses */ 3433 touchpad_buttons = 0; 3434 if (pb->ipacket[0] & 0x01) 3435 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3436 if (pb->ipacket[0] & 0x02) 3437 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3438 3439 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3440 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3441 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3442 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3443 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3444 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3445 !sc->synhw.capClickPad) { 3446 /* Middle Button */ 3447 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3448 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3449 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3450 /* Extended Buttons */ 3451 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3452 if (sc->syninfo.directional_scrolls) { 3453 if (pb->ipacket[4] & 0x01) 3454 extended_buttons |= MOUSE_BUTTON4DOWN; 3455 if (pb->ipacket[5] & 0x01) 3456 extended_buttons |= MOUSE_BUTTON5DOWN; 3457 if (pb->ipacket[4] & 0x02) 3458 extended_buttons |= MOUSE_BUTTON6DOWN; 3459 if (pb->ipacket[5] & 0x02) 3460 extended_buttons |= MOUSE_BUTTON7DOWN; 3461 } else { 3462 if (pb->ipacket[4] & 0x01) 3463 extended_buttons |= MOUSE_BUTTON1DOWN; 3464 if (pb->ipacket[5] & 0x01) 3465 extended_buttons |= MOUSE_BUTTON3DOWN; 3466 if (pb->ipacket[4] & 0x02) 3467 extended_buttons |= MOUSE_BUTTON2DOWN; 3468 sc->extended_buttons = extended_buttons; 3469 } 3470 3471 /* 3472 * Zero out bits used by extended buttons to avoid 3473 * misinterpretation of the data absolute position. 3474 * 3475 * The bits represented by 3476 * 3477 * (nExtendedButtons + 1) >> 1 3478 * 3479 * will be masked out in both bytes. 3480 * The mask for n bits is computed with the formula 3481 * 3482 * (1 << n) - 1 3483 */ 3484 int maskedbits = 0; 3485 int mask = 0; 3486 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3487 mask = (1 << maskedbits) - 1; 3488 #ifdef EVDEV_SUPPORT 3489 int i; 3490 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3491 if (sc->synhw.capPassthrough) { 3492 evdev_push_mouse_btn(sc->evdev_r, 3493 extended_buttons); 3494 evdev_sync(sc->evdev_r); 3495 } 3496 for (i = 0; i < maskedbits; i++) { 3497 evdev_push_key(sc->evdev_a, 3498 BTN_0 + i * 2, 3499 pb->ipacket[4] & (1 << i)); 3500 evdev_push_key(sc->evdev_a, 3501 BTN_0 + i * 2 + 1, 3502 pb->ipacket[5] & (1 << i)); 3503 } 3504 } 3505 #endif 3506 pb->ipacket[4] &= ~(mask); 3507 pb->ipacket[5] &= ~(mask); 3508 } else if (!sc->syninfo.directional_scrolls && 3509 !sc->gesture.in_vscroll) { 3510 /* 3511 * Keep reporting MOUSE DOWN until we get a new packet 3512 * indicating otherwise. 3513 */ 3514 extended_buttons |= sc->extended_buttons; 3515 } 3516 } 3517 3518 if (sc->synhw.capReportsV && nfingers > 1) 3519 f[0] = (finger_t) { 3520 .x = ((pb->ipacket[3] & 0x10) << 8) | 3521 ((pb->ipacket[1] & 0x0f) << 8) | 3522 (pb->ipacket[4] & 0xfd), 3523 .y = ((pb->ipacket[3] & 0x20) << 7) | 3524 ((pb->ipacket[1] & 0xf0) << 4) | 3525 (pb->ipacket[5] & 0xfd), 3526 .p = *z & 0xfe, 3527 .w = (((pb->ipacket[2] & 0x01) << 2) | 3528 (pb->ipacket[5] & 0x02) | 3529 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3530 .flags = PSM_FINGER_FUZZY, 3531 }; 3532 else 3533 f[0] = (finger_t) { 3534 .x = ((pb->ipacket[3] & 0x10) << 8) | 3535 ((pb->ipacket[1] & 0x0f) << 8) | 3536 pb->ipacket[4], 3537 .y = ((pb->ipacket[3] & 0x20) << 7) | 3538 ((pb->ipacket[1] & 0xf0) << 4) | 3539 pb->ipacket[5], 3540 .p = *z, 3541 .w = w, 3542 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3543 }; 3544 3545 /* Ignore hovering and unmeasurable touches */ 3546 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3547 nfingers = 0; 3548 3549 /* Handle ClickPad */ 3550 if (sc->synhw.capClickPad) { 3551 clickpad_pressed = (pb->ipacket[0] ^ pb->ipacket[3]) & 0x01; 3552 if (sc->synhw.forcePad) { 3553 /* 3554 * Forcepads erroneously report button click if there 3555 * are 2 or more fingers on the touchpad breaking 3556 * multifinger gestures. To workaround this start 3557 * reporting a click only after 4 consecutive single 3558 * touch packets has been received. 3559 * Skip these packets in case more contacts appear. 3560 */ 3561 switch (nfingers) { 3562 case 0: 3563 sc->fpcount = 0; 3564 break; 3565 case 1: 3566 if (clickpad_pressed && sc->fpcount < INT_MAX) 3567 ++sc->fpcount; 3568 /* FALLTHROUGH */ 3569 default: 3570 if (!clickpad_pressed) 3571 sc->fpcount = 0; 3572 if (sc->fpcount >= sc->syninfo.window_min) 3573 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3574 } 3575 } else if (clickpad_pressed) 3576 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3577 } 3578 3579 for (id = 0; id < PSM_FINGERS; id++) 3580 if (id >= nfingers) 3581 PSM_FINGER_RESET(f[id]); 3582 3583 #ifdef EVDEV_SUPPORT 3584 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3585 for (id = 0; id < PSM_FINGERS; id++) 3586 if (PSM_FINGER_IS_SET(f[id])) 3587 psm_push_mt_finger(sc, id, &f[id]); 3588 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3589 evdev_push_nfingers(sc->evdev_a, nfingers); 3590 if (nfingers > 0) 3591 psm_push_st_finger(sc, &f[0]); 3592 else 3593 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3594 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3595 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3596 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3597 touchpad_buttons & MOUSE_BUTTON4DOWN); 3598 evdev_push_key(sc->evdev_a, BTN_BACK, 3599 touchpad_buttons & MOUSE_BUTTON5DOWN); 3600 } 3601 evdev_sync(sc->evdev_a); 3602 } 3603 #endif 3604 3605 ms->button = touchpad_buttons; 3606 3607 palm = psmpalmdetect(sc, &f[0], nfingers); 3608 3609 /* Palm detection doesn't terminate the current action. */ 3610 if (!palm) 3611 psmgestures(sc, &f[0], nfingers, ms); 3612 3613 for (id = 0; id < PSM_FINGERS; id++) 3614 psmsmoother(sc, &f[id], id, ms, x, y); 3615 3616 if (palm) { 3617 *x = *y = *z = 0; 3618 ms->button = ms->obutton; 3619 return (0); 3620 } 3621 3622 ms->button |= extended_buttons | guest_buttons; 3623 3624 SYNAPTICS_END: 3625 /* 3626 * Use the extra buttons as a scrollwheel 3627 * 3628 * XXX X.Org uses the Z axis for vertical wheel only, 3629 * whereas moused(8) understands special values to differ 3630 * vertical and horizontal wheels. 3631 * 3632 * xf86-input-mouse needs therefore a small patch to 3633 * understand these special values. Without it, the 3634 * horizontal wheel acts as a vertical wheel in X.Org. 3635 * 3636 * That's why the horizontal wheel is disabled by 3637 * default for now. 3638 */ 3639 if (ms->button & MOUSE_BUTTON4DOWN) 3640 *z = -1; 3641 else if (ms->button & MOUSE_BUTTON5DOWN) 3642 *z = 1; 3643 else if (ms->button & MOUSE_BUTTON6DOWN) 3644 *z = -2; 3645 else if (ms->button & MOUSE_BUTTON7DOWN) 3646 *z = 2; 3647 else 3648 *z = 0; 3649 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3650 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3651 3652 return (0); 3653 } 3654 3655 static int 3656 proc_synaptics_mux(struct psm_softc *sc, packetbuf_t *pb) 3657 { 3658 int butt; 3659 3660 /* 3661 * Convert 3-byte interleaved mixture of Synaptics and generic mouse 3662 * packets into plain 6-byte Synaptics packet protocol. 3663 * While in hidden multiplexing mode KBC does some editing of the 3664 * packet stream. It remembers the button bits from the last packet 3665 * received from each device, and replaces the button bits of every 3666 * packet with the logical OR of all devices’ most recent button bits. 3667 * This button crosstalk should be filtered out as Synaptics and 3668 * generic mouse encode middle button presses in a different way. 3669 */ 3670 switch (pb->ipacket[0] & 0xc0) { 3671 case 0x80: /* First 3 bytes of Synaptics packet */ 3672 bcopy(pb->ipacket, sc->muxsave, 3); 3673 /* Compute middle mouse button supression timeout. */ 3674 sc->muxmidtimeout.tv_sec = 0; 3675 sc->muxmidtimeout.tv_usec = 50000; /* ~2-3 ints */ 3676 timevaladd(&sc->muxmidtimeout, &sc->lastsoftintr); 3677 return (1); 3678 3679 case 0xc0: /* Second 3 bytes of Synaptics packet */ 3680 /* Join two 3-bytes absolute packets */ 3681 bcopy(pb->ipacket, pb->ipacket + 3, 3); 3682 bcopy(sc->muxsave, pb->ipacket, 3); 3683 /* Prefer trackpoint buttons over touchpad's */ 3684 pb->ipacket[0] &= ~(0x08 | sc->muxmsbuttons); 3685 pb->ipacket[3] &= ~(0x08 | sc->muxmsbuttons); 3686 butt = (pb->ipacket[3] & 0x03) << 2 | (pb->ipacket[0] & 0x03); 3687 /* Add hysteresis to remove spurious middle button events */ 3688 if (butt != sc->muxtpbuttons && sc->fpcount < 1) { 3689 pb->ipacket[0] &= 0xfc; 3690 pb->ipacket[0] |= sc->muxtpbuttons & 0x03; 3691 pb->ipacket[3] &= 0xfc; 3692 pb->ipacket[3] |= sc->muxtpbuttons >> 2 & 0x03; 3693 ++sc->fpcount; 3694 } else { 3695 sc->fpcount = 0; 3696 sc->muxtpbuttons = butt; 3697 } 3698 /* Filter out impossible w induced by middle trackpoint btn */ 3699 if (sc->synhw.capExtended && !sc->synhw.capPassthrough && 3700 (pb->ipacket[0] & 0x34) == 0x04 && 3701 (pb->ipacket[3] & 0x04) == 0x04) { 3702 pb->ipacket[0] &= 0xfb; 3703 pb->ipacket[3] &= 0xfb; 3704 } 3705 sc->muxsave[0] &= 0x30; 3706 break; 3707 3708 default: /* Generic mouse (Trackpoint) packet */ 3709 /* Filter out middle button events induced by some w values */ 3710 if (sc->muxmsbuttons & 0x03 || pb->ipacket[0] & 0x03 || 3711 (timevalcmp(&sc->lastsoftintr, &sc->muxmidtimeout, <=) && 3712 (sc->muxsave[0] & 0x30 || sc->muxsave[2] > 8))) 3713 pb->ipacket[0] &= 0xfb; 3714 sc->muxmsbuttons = pb->ipacket[0] & 0x07; 3715 /* Convert to Synaptics pass-through protocol */ 3716 pb->ipacket[4] = pb->ipacket[1]; 3717 pb->ipacket[5] = pb->ipacket[2]; 3718 pb->ipacket[1] = pb->ipacket[0]; 3719 pb->ipacket[2] = 0; 3720 pb->ipacket[0] = 0x84 | (sc->muxtpbuttons & 0x03); 3721 pb->ipacket[3] = 0xc4 | (sc->muxtpbuttons >> 2 & 0x03); 3722 } 3723 3724 VLOG(4, (LOG_DEBUG, "synaptics: %02x %02x %02x %02x %02x %02x\n", 3725 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3726 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3727 3728 pb->inputbytes = MOUSE_SYNAPTICS_PACKETSIZE; 3729 return (0); 3730 } 3731 3732 static int 3733 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3734 { 3735 if (!( 3736 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3737 !sc->synhw.capReportsV && nfingers > 1) || 3738 (sc->synhw.capReportsV && nfingers > 2) || 3739 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3740 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3741 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3742 /* 3743 * We consider the packet irrelevant for the current 3744 * action when: 3745 * - the width isn't comprised in: 3746 * [1; max_width] 3747 * - the pressure isn't comprised in: 3748 * [min_pressure; max_pressure] 3749 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3750 */ 3751 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3752 return (1); 3753 } 3754 return (0); 3755 } 3756 3757 static void 3758 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3759 mousestatus_t *ms) 3760 { 3761 smoother_t *smoother; 3762 gesture_t *gest; 3763 finger_t *f; 3764 int y_ok, center_button, center_x, right_button, right_x, i; 3765 3766 f = &fingers[0]; 3767 smoother = &sc->smoother[0]; 3768 gest = &sc->gesture; 3769 3770 /* Find first active finger. */ 3771 if (nfingers > 0) { 3772 for (i = 0; i < PSM_FINGERS; i++) { 3773 if (PSM_FINGER_IS_SET(fingers[i])) { 3774 f = &fingers[i]; 3775 smoother = &sc->smoother[i]; 3776 break; 3777 } 3778 } 3779 } 3780 3781 /* 3782 * Check pressure to detect a real wanted action on the 3783 * touchpad. 3784 */ 3785 if (f->p >= sc->syninfo.min_pressure) { 3786 int x0, y0; 3787 int dxp, dyp; 3788 int start_x, start_y; 3789 int queue_len; 3790 int margin_top, margin_right, margin_bottom, margin_left; 3791 int window_min, window_max; 3792 int vscroll_hor_area, vscroll_ver_area; 3793 int two_finger_scroll; 3794 int max_x, max_y; 3795 int three_finger_drag; 3796 3797 /* Read sysctl. */ 3798 /* XXX Verify values? */ 3799 margin_top = sc->syninfo.margin_top; 3800 margin_right = sc->syninfo.margin_right; 3801 margin_bottom = sc->syninfo.margin_bottom; 3802 margin_left = sc->syninfo.margin_left; 3803 window_min = sc->syninfo.window_min; 3804 window_max = sc->syninfo.window_max; 3805 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3806 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3807 two_finger_scroll = sc->syninfo.two_finger_scroll; 3808 max_x = sc->syninfo.max_x; 3809 max_y = sc->syninfo.max_y; 3810 three_finger_drag = sc->syninfo.three_finger_drag; 3811 /* Read current absolute position. */ 3812 x0 = f->x; 3813 y0 = f->y; 3814 3815 /* 3816 * Limit the coordinates to the specified margins because 3817 * this area isn't very reliable. 3818 */ 3819 if (x0 <= margin_left) 3820 x0 = margin_left; 3821 else if (x0 >= max_x - margin_right) 3822 x0 = max_x - margin_right; 3823 if (y0 <= margin_bottom) 3824 y0 = margin_bottom; 3825 else if (y0 >= max_y - margin_top) 3826 y0 = max_y - margin_top; 3827 3828 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3829 x0, y0, f->p, f->w)); 3830 3831 /* 3832 * If the action is just beginning, init the structure and 3833 * compute tap timeout. 3834 */ 3835 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3836 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3837 3838 /* Initialize queue. */ 3839 gest->window_min = window_min; 3840 3841 /* Reset pressure peak. */ 3842 gest->zmax = 0; 3843 3844 /* Reset fingers count. */ 3845 gest->fingers_nb = 0; 3846 3847 /* Reset virtual scrolling state. */ 3848 gest->in_vscroll = 0; 3849 3850 /* Compute tap timeout. */ 3851 if (tap_enabled != 0) { 3852 gest->taptimeout = (struct timeval) { 3853 .tv_sec = tap_timeout / 1000000, 3854 .tv_usec = tap_timeout % 1000000, 3855 }; 3856 timevaladd( 3857 &gest->taptimeout, &sc->lastsoftintr); 3858 } else 3859 timevalclear(&gest->taptimeout); 3860 3861 sc->flags |= PSM_FLAGS_FINGERDOWN; 3862 3863 /* Smoother has not been reset yet */ 3864 queue_len = 1; 3865 start_x = x0; 3866 start_y = y0; 3867 } else { 3868 queue_len = smoother->queue_len + 1; 3869 start_x = smoother->start_x; 3870 start_y = smoother->start_y; 3871 } 3872 3873 /* Process ClickPad softbuttons */ 3874 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3875 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3876 start_y < sc->syninfo.softbuttons_y : 3877 start_y > max_y + sc->syninfo.softbuttons_y; 3878 3879 center_button = MOUSE_BUTTON2DOWN; 3880 center_x = sc->syninfo.softbutton2_x; 3881 right_button = MOUSE_BUTTON3DOWN; 3882 right_x = sc->syninfo.softbutton3_x; 3883 3884 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3885 center_button = MOUSE_BUTTON3DOWN; 3886 center_x = sc->syninfo.softbutton3_x; 3887 right_button = MOUSE_BUTTON2DOWN; 3888 right_x = sc->syninfo.softbutton2_x; 3889 } 3890 3891 if (right_x > 0 && start_x > right_x && y_ok) 3892 ms->button = (ms->button & 3893 ~MOUSE_BUTTON1DOWN) | right_button; 3894 else if (center_x > 0 && start_x > center_x && y_ok) 3895 ms->button = (ms->button & 3896 ~MOUSE_BUTTON1DOWN) | center_button; 3897 } 3898 3899 /* If in tap-hold or three fingers, add the recorded button. */ 3900 if (gest->in_taphold || (nfingers == 3 && three_finger_drag)) 3901 ms->button |= gest->tap_button; 3902 3903 /* 3904 * For tap, we keep the maximum number of fingers and the 3905 * pressure peak. Also with multiple fingers, we increase 3906 * the minimum window. 3907 */ 3908 if (nfingers > 1) 3909 gest->window_min = window_max; 3910 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3911 gest->zmax = imax(f->p, gest->zmax); 3912 3913 /* Do we have enough packets to consider this a gesture? */ 3914 if (queue_len < gest->window_min) 3915 return; 3916 3917 dyp = -1; 3918 dxp = -1; 3919 3920 /* Is a scrolling action occurring? */ 3921 if (!gest->in_taphold && !ms->button && 3922 (!gest->in_vscroll || two_finger_scroll)) { 3923 /* 3924 * A scrolling action must not conflict with a tap 3925 * action. Here are the conditions to consider a 3926 * scrolling action: 3927 * - the action in a configurable area 3928 * - one of the following: 3929 * . the distance between the last packet and the 3930 * first should be above a configurable minimum 3931 * . tap timed out 3932 */ 3933 dxp = abs(x0 - start_x); 3934 dyp = abs(y0 - start_y); 3935 3936 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3937 dxp >= sc->syninfo.vscroll_min_delta || 3938 dyp >= sc->syninfo.vscroll_min_delta) { 3939 /* 3940 * Handle two finger scrolling. 3941 * Note that we don't rely on fingers_nb 3942 * as that keeps the maximum number of fingers. 3943 */ 3944 if (two_finger_scroll) { 3945 if (nfingers == 2) { 3946 gest->in_vscroll += 3947 dyp ? 2 : 0; 3948 gest->in_vscroll += 3949 dxp ? 1 : 0; 3950 } 3951 } else { 3952 /* Check for horizontal scrolling. */ 3953 if ((vscroll_hor_area > 0 && 3954 start_y <= vscroll_hor_area) || 3955 (vscroll_hor_area < 0 && 3956 start_y >= 3957 max_y + vscroll_hor_area)) 3958 gest->in_vscroll += 2; 3959 3960 /* Check for vertical scrolling. */ 3961 if ((vscroll_ver_area > 0 && 3962 start_x <= vscroll_ver_area) || 3963 (vscroll_ver_area < 0 && 3964 start_x >= 3965 max_x + vscroll_ver_area)) 3966 gest->in_vscroll += 1; 3967 } 3968 3969 /* Avoid conflicts if area overlaps. */ 3970 if (gest->in_vscroll >= 3) 3971 gest->in_vscroll = 3972 (dxp > dyp) ? 2 : 1; 3973 } 3974 } 3975 /* 3976 * Reset two finger scrolling when the number of fingers 3977 * is different from two or any button is pressed. 3978 */ 3979 if (two_finger_scroll && gest->in_vscroll != 0 && 3980 (nfingers != 2 || ms->button)) 3981 gest->in_vscroll = 0; 3982 3983 VLOG(5, (LOG_DEBUG, 3984 "synaptics: virtual scrolling: %s " 3985 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3986 gest->in_vscroll ? "YES" : "NO", 3987 gest->in_vscroll, dxp, dyp, 3988 gest->fingers_nb)); 3989 3990 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3991 /* 3992 * An action is currently taking place but the pressure 3993 * dropped under the minimum, putting an end to it. 3994 */ 3995 int taphold_timeout, dx, dy, tap_max_delta; 3996 3997 dx = abs(smoother->queue[smoother->queue_cursor].x - 3998 smoother->start_x); 3999 dy = abs(smoother->queue[smoother->queue_cursor].y - 4000 smoother->start_y); 4001 4002 /* Max delta is disabled for multi-fingers tap. */ 4003 if (gest->fingers_nb > 1) 4004 tap_max_delta = imax(dx, dy); 4005 else 4006 tap_max_delta = sc->syninfo.tap_max_delta; 4007 4008 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4009 4010 /* Check for tap. */ 4011 VLOG(3, (LOG_DEBUG, 4012 "synaptics: zmax=%d, dx=%d, dy=%d, " 4013 "delta=%d, fingers=%d, queue=%d\n", 4014 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 4015 smoother->queue_len)); 4016 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 4017 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 4018 dx <= tap_max_delta && dy <= tap_max_delta && 4019 smoother->queue_len >= sc->syninfo.tap_min_queue) { 4020 /* 4021 * We have a tap if: 4022 * - the maximum pressure went over tap_threshold 4023 * - the action ended before tap_timeout 4024 * 4025 * To handle tap-hold, we must delay any button push to 4026 * the next action. 4027 */ 4028 if (gest->in_taphold) { 4029 /* 4030 * This is the second and last tap of a 4031 * double tap action, not a tap-hold. 4032 */ 4033 gest->in_taphold = 0; 4034 4035 /* 4036 * For double-tap to work: 4037 * - no button press is emitted (to 4038 * simulate a button release) 4039 * - PSM_FLAGS_FINGERDOWN is set to 4040 * force the next packet to emit a 4041 * button press) 4042 */ 4043 VLOG(2, (LOG_DEBUG, 4044 "synaptics: button RELEASE: %d\n", 4045 gest->tap_button)); 4046 sc->flags |= PSM_FLAGS_FINGERDOWN; 4047 4048 /* Schedule button press on next interrupt */ 4049 sc->idletimeout.tv_sec = psmhz > 1 ? 4050 0 : 1; 4051 sc->idletimeout.tv_usec = psmhz > 1 ? 4052 1000000 / psmhz : 0; 4053 } else { 4054 /* 4055 * This is the first tap: we set the 4056 * tap-hold state and notify the button 4057 * down event. 4058 */ 4059 gest->in_taphold = 1; 4060 taphold_timeout = sc->syninfo.taphold_timeout; 4061 gest->taptimeout.tv_sec = taphold_timeout / 4062 1000000; 4063 gest->taptimeout.tv_usec = taphold_timeout % 4064 1000000; 4065 sc->idletimeout = gest->taptimeout; 4066 timevaladd(&gest->taptimeout, 4067 &sc->lastsoftintr); 4068 4069 switch (gest->fingers_nb) { 4070 case 3: 4071 gest->tap_button = 4072 MOUSE_BUTTON2DOWN; 4073 break; 4074 case 2: 4075 gest->tap_button = 4076 MOUSE_BUTTON3DOWN; 4077 break; 4078 default: 4079 gest->tap_button = 4080 MOUSE_BUTTON1DOWN; 4081 } 4082 VLOG(2, (LOG_DEBUG, 4083 "synaptics: button PRESS: %d\n", 4084 gest->tap_button)); 4085 ms->button |= gest->tap_button; 4086 } 4087 } else { 4088 /* 4089 * Not enough pressure or timeout: reset 4090 * tap-hold state. 4091 */ 4092 if (gest->in_taphold) { 4093 VLOG(2, (LOG_DEBUG, 4094 "synaptics: button RELEASE: %d\n", 4095 gest->tap_button)); 4096 gest->in_taphold = 0; 4097 } else { 4098 VLOG(2, (LOG_DEBUG, 4099 "synaptics: not a tap-hold\n")); 4100 } 4101 } 4102 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 4103 /* 4104 * For a tap-hold to work, the button must remain down at 4105 * least until timeout (where the in_taphold flags will be 4106 * cleared) or during the next action. 4107 */ 4108 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 4109 ms->button |= gest->tap_button; 4110 } else { 4111 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 4112 gest->tap_button)); 4113 gest->in_taphold = 0; 4114 } 4115 } 4116 4117 return; 4118 } 4119 4120 static void 4121 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 4122 mousestatus_t *ms, int *x, int *y) 4123 { 4124 smoother_t *smoother = &sc->smoother[smoother_id]; 4125 gesture_t *gest = &(sc->gesture); 4126 4127 /* 4128 * Check pressure to detect a real wanted action on the 4129 * touchpad. 4130 */ 4131 if (f->p >= sc->syninfo.min_pressure) { 4132 int x0, y0; 4133 int cursor, peer, window; 4134 int dx, dy, dxp, dyp; 4135 int margin_top, margin_right, margin_bottom, margin_left; 4136 int na_top, na_right, na_bottom, na_left; 4137 int window_max; 4138 int multiplicator; 4139 int weight_current, weight_previous, weight_len_squared; 4140 int div_min, div_max, div_len; 4141 int two_finger_scroll; 4142 int max_x, max_y; 4143 int len, weight_prev_x, weight_prev_y; 4144 int div_max_x, div_max_y, div_x, div_y; 4145 int is_fuzzy; 4146 int natural_scroll; 4147 4148 /* Read sysctl. */ 4149 /* XXX Verify values? */ 4150 margin_top = sc->syninfo.margin_top; 4151 margin_right = sc->syninfo.margin_right; 4152 margin_bottom = sc->syninfo.margin_bottom; 4153 margin_left = sc->syninfo.margin_left; 4154 na_top = sc->syninfo.na_top; 4155 na_right = sc->syninfo.na_right; 4156 na_bottom = sc->syninfo.na_bottom; 4157 na_left = sc->syninfo.na_left; 4158 window_max = sc->syninfo.window_max; 4159 multiplicator = sc->syninfo.multiplicator; 4160 weight_current = sc->syninfo.weight_current; 4161 weight_previous = sc->syninfo.weight_previous; 4162 weight_len_squared = sc->syninfo.weight_len_squared; 4163 div_min = sc->syninfo.div_min; 4164 div_max = sc->syninfo.div_max; 4165 div_len = sc->syninfo.div_len; 4166 two_finger_scroll = sc->syninfo.two_finger_scroll; 4167 max_x = sc->syninfo.max_x; 4168 max_y = sc->syninfo.max_y; 4169 natural_scroll = sc->syninfo.natural_scroll; 4170 4171 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 4172 4173 /* Read current absolute position. */ 4174 x0 = f->x; 4175 y0 = f->y; 4176 4177 /* 4178 * Limit the coordinates to the specified margins because 4179 * this area isn't very reliable. 4180 */ 4181 if (x0 <= margin_left) 4182 x0 = margin_left; 4183 else if (x0 >= max_x - margin_right) 4184 x0 = max_x - margin_right; 4185 if (y0 <= margin_bottom) 4186 y0 = margin_bottom; 4187 else if (y0 >= max_y - margin_top) 4188 y0 = max_y - margin_top; 4189 4190 /* If the action is just beginning, init the structure. */ 4191 if (smoother->active == 0) { 4192 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4193 4194 /* Store the first point of this action. */ 4195 smoother->start_x = x0; 4196 smoother->start_y = y0; 4197 dx = dy = 0; 4198 4199 /* Initialize queue. */ 4200 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4201 smoother->queue_len = 0; 4202 4203 /* Reset average. */ 4204 smoother->avg_dx = 0; 4205 smoother->avg_dy = 0; 4206 4207 /* Reset squelch. */ 4208 smoother->squelch_x = 0; 4209 smoother->squelch_y = 0; 4210 4211 /* Activate queue */ 4212 smoother->active = 1; 4213 } else { 4214 /* Calculate the current delta. */ 4215 cursor = smoother->queue_cursor; 4216 dx = x0 - smoother->queue[cursor].x; 4217 dy = y0 - smoother->queue[cursor].y; 4218 } 4219 4220 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4221 smoother_id, x0, y0, f->p, f->w)); 4222 4223 /* Queue this new packet. */ 4224 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4225 smoother->queue[cursor].x = x0; 4226 smoother->queue[cursor].y = y0; 4227 smoother->queue_cursor = cursor; 4228 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4229 smoother->queue_len++; 4230 VLOG(5, (LOG_DEBUG, 4231 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4232 smoother_id, cursor, x0, y0, dx, dy)); 4233 4234 /* Do we have enough packets to consider this a movement? */ 4235 if (smoother->queue_len < gest->window_min) 4236 return; 4237 4238 weight_prev_x = weight_prev_y = weight_previous; 4239 div_max_x = div_max_y = div_max; 4240 4241 if (gest->in_vscroll) { 4242 /* Dividers are different with virtual scrolling. */ 4243 div_min = sc->syninfo.vscroll_div_min; 4244 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4245 } else { 4246 /* 4247 * There's a lot of noise in coordinates when 4248 * the finger is on the touchpad's borders. When 4249 * using this area, we apply a special weight and 4250 * div. 4251 */ 4252 if (x0 <= na_left || x0 >= max_x - na_right) { 4253 weight_prev_x = sc->syninfo.weight_previous_na; 4254 div_max_x = sc->syninfo.div_max_na; 4255 } 4256 4257 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4258 weight_prev_y = sc->syninfo.weight_previous_na; 4259 div_max_y = sc->syninfo.div_max_na; 4260 } 4261 } 4262 4263 /* 4264 * Calculate weights for the average operands and 4265 * the divisor. Both depend on the distance between 4266 * the current packet and a previous one (based on the 4267 * window width). 4268 */ 4269 window = imin(smoother->queue_len, window_max); 4270 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4271 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4272 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4273 len = (dxp * dxp) + (dyp * dyp); 4274 weight_prev_x = imin(weight_prev_x, 4275 weight_len_squared * weight_prev_x / len); 4276 weight_prev_y = imin(weight_prev_y, 4277 weight_len_squared * weight_prev_y / len); 4278 4279 len = (dxp + dyp) / 2; 4280 div_x = div_len * div_max_x / len; 4281 div_x = imin(div_max_x, div_x); 4282 div_x = imax(div_min, div_x); 4283 div_y = div_len * div_max_y / len; 4284 div_y = imin(div_max_y, div_y); 4285 div_y = imax(div_min, div_y); 4286 4287 VLOG(3, (LOG_DEBUG, 4288 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4289 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4290 div_x, div_y)); 4291 4292 /* Compute averages. */ 4293 smoother->avg_dx = 4294 (weight_current * dx * multiplicator + 4295 weight_prev_x * smoother->avg_dx) / 4296 (weight_current + weight_prev_x); 4297 4298 smoother->avg_dy = 4299 (weight_current * dy * multiplicator + 4300 weight_prev_y * smoother->avg_dy) / 4301 (weight_current + weight_prev_y); 4302 4303 VLOG(5, (LOG_DEBUG, 4304 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4305 smoother->avg_dx / multiplicator, 4306 smoother->avg_dy / multiplicator)); 4307 4308 /* Use these averages to calculate x & y. */ 4309 smoother->squelch_x += smoother->avg_dx; 4310 dxp = smoother->squelch_x / (div_x * multiplicator); 4311 smoother->squelch_x = smoother->squelch_x % 4312 (div_x * multiplicator); 4313 4314 smoother->squelch_y += smoother->avg_dy; 4315 dyp = smoother->squelch_y / (div_y * multiplicator); 4316 smoother->squelch_y = smoother->squelch_y % 4317 (div_y * multiplicator); 4318 4319 switch(gest->in_vscroll) { 4320 case 0: /* Pointer movement. */ 4321 /* On real<->fuzzy finger switch the x/y pos jumps */ 4322 if (is_fuzzy == smoother->is_fuzzy) { 4323 *x += dxp; 4324 *y += dyp; 4325 } 4326 4327 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4328 smoother_id, dx, dy, dxp, dyp)); 4329 break; 4330 case 1: /* Vertical scrolling. */ 4331 if (dyp != 0) { 4332 if (two_finger_scroll && natural_scroll) 4333 ms->button |= (dyp > 0) ? 4334 MOUSE_BUTTON5DOWN : MOUSE_BUTTON4DOWN; 4335 else 4336 ms->button |= (dyp > 0) ? 4337 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4338 } 4339 break; 4340 case 2: /* Horizontal scrolling. */ 4341 if (dxp != 0) { 4342 if (two_finger_scroll && natural_scroll) 4343 ms->button |= (dxp > 0) ? 4344 MOUSE_BUTTON6DOWN : MOUSE_BUTTON7DOWN; 4345 else 4346 ms->button |= (dxp > 0) ? 4347 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4348 } 4349 break; 4350 } 4351 4352 smoother->is_fuzzy = is_fuzzy; 4353 4354 } else { 4355 /* 4356 * Deactivate queue. Note: We can not just reset queue here 4357 * as these values are still used by gesture processor. 4358 * So postpone reset till next touch. 4359 */ 4360 smoother->active = 0; 4361 } 4362 } 4363 4364 static int 4365 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4366 int *x, int *y, int *z) 4367 { 4368 static int touchpad_button, trackpoint_button; 4369 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4370 int pkt, id, scale, i, nfingers, mask, palm; 4371 4372 if (!elantech_support) 4373 return (0); 4374 4375 /* Determine packet format and do a sanity check for out of sync packets. */ 4376 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4377 pkt = ELANTECH_PKT_NOP; 4378 else if (sc->elanhw.hastrackpoint && ELANTECH_PKT_IS_TRACKPOINT(pb)) 4379 pkt = ELANTECH_PKT_TRACKPOINT; 4380 else 4381 switch (sc->elanhw.hwversion) { 4382 case 2: 4383 if (!ELANTECH_PKT_IS_V2(pb)) 4384 return (-1); 4385 4386 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4387 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4388 break; 4389 case 3: 4390 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4391 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4392 return (-1); 4393 4394 pkt = ELANTECH_PKT_V3; 4395 break; 4396 case 4: 4397 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4398 return (-1); 4399 4400 switch (pb->ipacket[3] & 0x03) { 4401 case 0x00: 4402 pkt = ELANTECH_PKT_V4_STATUS; 4403 break; 4404 case 0x01: 4405 pkt = ELANTECH_PKT_V4_HEAD; 4406 break; 4407 case 0x02: 4408 pkt = ELANTECH_PKT_V4_MOTION; 4409 break; 4410 default: 4411 return (-1); 4412 } 4413 break; 4414 default: 4415 return (-1); 4416 } 4417 4418 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4419 4420 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4421 PSM_FINGER_RESET(f[id]); 4422 4423 *x = *y = *z = 0; 4424 ms->button = ms->obutton; 4425 4426 if (sc->syninfo.touchpad_off && pkt != ELANTECH_PKT_TRACKPOINT) 4427 return (0); 4428 4429 /* Common legend 4430 * L: Left mouse button pressed 4431 * R: Right mouse button pressed 4432 * N: number of fingers on touchpad 4433 * X: absolute x value (horizontal) 4434 * Y: absolute y value (vertical) 4435 * W; width of the finger touch 4436 * P: pressure 4437 */ 4438 switch (pkt) { 4439 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4440 /* 7 6 5 4 3 2 1 0 (LSB) 4441 * ------------------------------------------- 4442 * ipacket[0]: N1 N0 W3 W2 . . R L 4443 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4444 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4445 * ipacket[3]: N4 VF W1 W0 . . . B2 4446 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4447 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4448 * ------------------------------------------- 4449 * N4: set if more than 3 fingers (only in 3 fingers mode) 4450 * VF: a kind of flag? (only on EF123, 0 when finger 4451 * is over one of the buttons, 1 otherwise) 4452 * B2: (on EF113 only, 0 otherwise), one button pressed 4453 * P & W is not reported on EF113 touchpads 4454 */ 4455 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4456 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4457 nfingers = 4; 4458 4459 if (nfingers == 0) { 4460 mask = (1 << nfingers) - 1; /* = 0x00 */ 4461 break; 4462 } 4463 4464 /* Map 3-rd and 4-th fingers to first finger */ 4465 mask = (1 << 1) - 1; /* = 0x01 */ 4466 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4467 if (sc->elanhw.haspressure) { 4468 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4469 ((pb->ipacket[3] & 0x30) >> 4); 4470 } else { 4471 f[0].p = PSM_FINGER_DEFAULT_P; 4472 f[0].w = PSM_FINGER_DEFAULT_W; 4473 } 4474 4475 /* 4476 * HW v2 dont report exact finger positions when 3 or more 4477 * fingers are on touchpad. 4478 */ 4479 if (nfingers > 2) 4480 f[0].flags = PSM_FINGER_FUZZY; 4481 4482 break; 4483 4484 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4485 /* 7 6 5 4 3 2 1 0 (LSB) 4486 * ------------------------------------------- 4487 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4488 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4489 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4490 * ipacket[3]: . . BY8 BX8 . . . . 4491 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4492 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4493 * ------------------------------------------- 4494 * AX: lower-left finger absolute x value 4495 * AY: lower-left finger absolute y value 4496 * BX: upper-right finger absolute x value 4497 * BY: upper-right finger absolute y value 4498 */ 4499 nfingers = 2; 4500 mask = (1 << nfingers) - 1; 4501 4502 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4503 f[id] = (finger_t) { 4504 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4505 pb->ipacket[id * 3 + 1]) << 2, 4506 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4507 pb->ipacket[id * 3 + 2]) << 2, 4508 .p = PSM_FINGER_DEFAULT_P, 4509 .w = PSM_FINGER_DEFAULT_W, 4510 /* HW ver.2 sends bounding box */ 4511 .flags = PSM_FINGER_FUZZY 4512 }; 4513 break; 4514 4515 case ELANTECH_PKT_V3: /* HW Version 3 */ 4516 /* 7 6 5 4 3 2 1 0 (LSB) 4517 * ------------------------------------------- 4518 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4519 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4520 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4521 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4522 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4523 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4524 * ------------------------------------------- 4525 */ 4526 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4527 /* Map 3-rd finger to first finger */ 4528 id = nfingers > 2 ? 0 : nfingers - 1; 4529 mask = (1 << (id + 1)) - 1; 4530 4531 if (nfingers == 0) 4532 break; 4533 4534 fn = ELANTECH_FINGER_SET_XYP(pb); 4535 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4536 ((pb->ipacket[3] & 0x30) >> 4); 4537 4538 /* 4539 * HW v3 dont report exact finger positions when 3 or more 4540 * fingers are on touchpad. 4541 */ 4542 if (nfingers > 1) 4543 fn.flags = PSM_FINGER_FUZZY; 4544 4545 if (nfingers == 2) { 4546 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4547 sc->elanaction.fingers[0] = fn; 4548 return (0); 4549 } else 4550 f[0] = sc->elanaction.fingers[0]; 4551 } 4552 f[id] = fn; 4553 break; 4554 4555 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4556 /* 7 6 5 4 3 2 1 0 (LSB) 4557 * ------------------------------------------- 4558 * ipacket[0]: . . . . 0 1 R L 4559 * ipacket[1]: . . . F4 F3 F2 F1 F0 4560 * ipacket[2]: . . . . . . . . 4561 * ipacket[3]: . . . 1 0 0 0 0 4562 * ipacket[4]: PL . . . . . . . 4563 * ipacket[5]: . . . . . . . . 4564 * ------------------------------------------- 4565 * Fn: finger n is on touchpad 4566 * PL: palm 4567 * HV ver4 sends a status packet to indicate that the numbers 4568 * or identities of the fingers has been changed 4569 */ 4570 4571 mask = pb->ipacket[1] & 0x1f; 4572 nfingers = bitcount(mask); 4573 4574 if (sc->elanaction.mask_v4wait != 0) 4575 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4576 " when not all previous head packets received\n")); 4577 4578 /* Bitmap of fingers to receive before gesture processing */ 4579 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4580 4581 /* Skip "new finger is on touchpad" packets */ 4582 if (sc->elanaction.mask_v4wait) { 4583 sc->elanaction.mask = mask; 4584 return (0); 4585 } 4586 4587 break; 4588 4589 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4590 /* 7 6 5 4 3 2 1 0 (LSB) 4591 * ------------------------------------------- 4592 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4593 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4594 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4595 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4596 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4597 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4598 * ------------------------------------------- 4599 * ID: finger id 4600 * HW ver 4 sends head packets in two cases: 4601 * 1. One finger touch and movement. 4602 * 2. Next after status packet to tell new finger positions. 4603 */ 4604 mask = sc->elanaction.mask; 4605 nfingers = bitcount(mask); 4606 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4607 fn = ELANTECH_FINGER_SET_XYP(pb); 4608 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4609 4610 if (id < 0) 4611 return (0); 4612 4613 /* Packet is finger position update. Report it */ 4614 if (sc->elanaction.mask_v4wait == 0) { 4615 if (id < ELANTECH_MAX_FINGERS) 4616 f[id] = fn; 4617 break; 4618 } 4619 4620 /* Remove finger from waiting bitmap and store into context */ 4621 sc->elanaction.mask_v4wait &= ~(1 << id); 4622 if (id < ELANTECH_MAX_FINGERS) 4623 sc->elanaction.fingers[id] = fn; 4624 4625 /* Wait for other fingers if needed */ 4626 if (sc->elanaction.mask_v4wait != 0) 4627 return (0); 4628 4629 /* All new fingers are received. Report them from context */ 4630 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4631 if (sc->elanaction.mask & (1 << id)) 4632 f[id] = sc->elanaction.fingers[id]; 4633 4634 break; 4635 4636 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4637 /* 7 6 5 4 3 2 1 0 (LSB) 4638 * ------------------------------------------- 4639 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4640 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4641 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4642 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4643 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4644 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4645 * ------------------------------------------- 4646 * OF: delta overflows (> 127 or < -128), in this case 4647 * firmware sends us (delta x / 5) and (delta y / 5) 4648 * ID: finger id 4649 * DX: delta x (two's complement) 4650 * XY: delta y (two's complement) 4651 * byte 0 ~ 2 for one finger 4652 * byte 3 ~ 5 for another finger 4653 */ 4654 mask = sc->elanaction.mask; 4655 nfingers = bitcount(mask); 4656 4657 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4658 for (i = 0; i <= 3; i += 3) { 4659 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4660 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4661 continue; 4662 4663 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4664 f[id] = sc->elanaction.fingers[id]; 4665 f[id].x += imax(-f[id].x, 4666 (signed char)pb->ipacket[i+1] * scale); 4667 f[id].y += imax(-f[id].y, 4668 (signed char)pb->ipacket[i+2] * scale); 4669 } else { 4670 VLOG(3, (LOG_DEBUG, "elantech: " 4671 "HW v4 motion packet skipped\n")); 4672 } 4673 } 4674 4675 break; 4676 4677 case ELANTECH_PKT_TRACKPOINT: 4678 /* 7 6 5 4 3 2 1 0 (LSB) 4679 * ------------------------------------------- 4680 * ipacket[0]: 0 0 SY SX 0 M R L 4681 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4682 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4683 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4684 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4685 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4686 * ------------------------------------------- 4687 * X and Y are written in two's complement spread 4688 * over 9 bits with SX/SY the relative top bit and 4689 * X7..X0 and Y7..Y0 the lower bits. 4690 */ 4691 if (!(pb->ipacket[0] & 0xC8) && !(pb->ipacket[1] & 0x7F) && 4692 !(pb->ipacket[2] & 0x7F) && !(pb->ipacket[3] & 0xC9) && 4693 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[1] & 0x80) && 4694 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[3] & 0x10) && 4695 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[2] & 0x80) && 4696 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[3] & 0x20)) { 4697 *x = (pb->ipacket[0] & MOUSE_PS2_XNEG) ? 4698 pb->ipacket[4] - 256 : pb->ipacket[4]; 4699 *y = (pb->ipacket[0] & MOUSE_PS2_YNEG) ? 4700 pb->ipacket[5] - 256 : pb->ipacket[5]; 4701 4702 trackpoint_button = 4703 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4704 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0) | 4705 ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); 4706 #ifdef EVDEV_SUPPORT 4707 evdev_push_rel(sc->evdev_r, REL_X, *x); 4708 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 4709 evdev_push_mouse_btn(sc->evdev_r, trackpoint_button); 4710 evdev_sync(sc->evdev_r); 4711 #endif 4712 ms->button = touchpad_button | trackpoint_button; 4713 } else 4714 VLOG(3, (LOG_DEBUG, "elantech: " 4715 "unexpected trackpoint packet skipped\n")); 4716 return (0); 4717 4718 case ELANTECH_PKT_NOP: 4719 return (0); 4720 4721 default: 4722 return (-1); 4723 } 4724 4725 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4726 if (PSM_FINGER_IS_SET(f[id])) 4727 VLOG(2, (LOG_DEBUG, "elantech: " 4728 "finger %d: down [%d, %d], %d, %d, %d\n", id + 1, 4729 f[id].x, f[id].y, f[id].p, f[id].w, f[id].flags)); 4730 4731 /* Touchpad button presses */ 4732 if (sc->elanhw.isclickpad) { 4733 touchpad_button = 4734 ((pb->ipacket[0] & 0x03) ? MOUSE_BUTTON1DOWN : 0); 4735 } else { 4736 touchpad_button = 4737 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4738 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); 4739 } 4740 4741 #ifdef EVDEV_SUPPORT 4742 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 4743 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4744 if (PSM_FINGER_IS_SET(f[id])) { 4745 psm_push_mt_finger(sc, id, &f[id]); 4746 /* Convert touch width to surface units */ 4747 evdev_push_abs(sc->evdev_a, ABS_MT_TOUCH_MAJOR, 4748 f[id].w * sc->elanhw.dptracex); 4749 } 4750 } 4751 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 4752 evdev_push_nfingers(sc->evdev_a, nfingers); 4753 if (nfingers > 0) { 4754 if (PSM_FINGER_IS_SET(f[0])) 4755 psm_push_st_finger(sc, &f[0]); 4756 } else 4757 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 4758 evdev_push_mouse_btn(sc->evdev_a, touchpad_button); 4759 evdev_sync(sc->evdev_a); 4760 } 4761 #endif 4762 4763 ms->button = touchpad_button | trackpoint_button; 4764 4765 /* Palm detection doesn't terminate the current action. */ 4766 palm = psmpalmdetect(sc, &f[0], nfingers); 4767 4768 /* Send finger 1 position to gesture processor */ 4769 if ((PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) || 4770 nfingers == 0) && !palm) 4771 psmgestures(sc, &f[0], imin(nfingers, 3), ms); 4772 4773 /* Send fingers positions to movement smoothers */ 4774 for (id = 0; id < PSM_FINGERS; id++) 4775 if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id))) 4776 psmsmoother(sc, &f[id], id, ms, x, y); 4777 4778 /* Store current finger positions in action context */ 4779 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4780 if (PSM_FINGER_IS_SET(f[id])) 4781 sc->elanaction.fingers[id] = f[id]; 4782 if ((sc->elanaction.mask & (1 << id)) && !(mask & (1 << id))) 4783 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 4784 } 4785 sc->elanaction.mask = mask; 4786 4787 if (palm) { 4788 *x = *y = *z = 0; 4789 ms->button = ms->obutton; 4790 return (0); 4791 } 4792 4793 /* Use the extra buttons as a scrollwheel */ 4794 if (ms->button & MOUSE_BUTTON4DOWN) 4795 *z = -1; 4796 else if (ms->button & MOUSE_BUTTON5DOWN) 4797 *z = 1; 4798 else if (ms->button & MOUSE_BUTTON6DOWN) 4799 *z = -2; 4800 else if (ms->button & MOUSE_BUTTON7DOWN) 4801 *z = 2; 4802 else 4803 *z = 0; 4804 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 4805 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 4806 4807 return (0); 4808 } 4809 4810 static void 4811 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4812 int *x, int *y, int *z) 4813 { 4814 static int butmap_versapad[8] = { 4815 0, 4816 MOUSE_BUTTON3DOWN, 4817 0, 4818 MOUSE_BUTTON3DOWN, 4819 MOUSE_BUTTON1DOWN, 4820 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4821 MOUSE_BUTTON1DOWN, 4822 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 4823 }; 4824 int c, x0, y0; 4825 4826 /* VersaPad PS/2 absolute mode message format 4827 * 4828 * [packet1] 7 6 5 4 3 2 1 0(LSB) 4829 * ipacket[0]: 1 1 0 A 1 L T R 4830 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 4831 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 4832 * ipacket[3]: 1 1 1 A 1 L T R 4833 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 4834 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 4835 * 4836 * [note] 4837 * R: right physical mouse button (1=on) 4838 * T: touch pad virtual button (1=tapping) 4839 * L: left physical mouse button (1=on) 4840 * A: position data is valid (1=valid) 4841 * H: horizontal data (12bit signed integer. H11 is sign bit.) 4842 * V: vertical data (12bit signed integer. V11 is sign bit.) 4843 * P: pressure data 4844 * 4845 * Tapping is mapped to MOUSE_BUTTON4. 4846 */ 4847 c = pb->ipacket[0]; 4848 *x = *y = 0; 4849 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 4850 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 4851 if (c & MOUSE_PS2VERSA_IN_USE) { 4852 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 4853 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 4854 if (x0 & 0x800) 4855 x0 -= 0x1000; 4856 if (y0 & 0x800) 4857 y0 -= 0x1000; 4858 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4859 *x = sc->xold - x0; 4860 *y = y0 - sc->yold; 4861 if (*x < 0) /* XXX */ 4862 ++*x; 4863 else if (*x) 4864 --*x; 4865 if (*y < 0) 4866 ++*y; 4867 else if (*y) 4868 --*y; 4869 } else 4870 sc->flags |= PSM_FLAGS_FINGERDOWN; 4871 sc->xold = x0; 4872 sc->yold = y0; 4873 } else 4874 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4875 } 4876 4877 static void 4878 psmsoftintridle(void *arg) 4879 { 4880 struct psm_softc *sc = arg; 4881 packetbuf_t *pb; 4882 4883 /* Invoke soft handler only when pqueue is empty. Otherwise it will be 4884 * invoked from psmintr soon with pqueue filled with real data */ 4885 if (sc->pqueue_start == sc->pqueue_end && 4886 sc->idlepacket.inputbytes > 0) { 4887 /* Grow circular queue backwards to avoid race with psmintr */ 4888 if (--sc->pqueue_start < 0) 4889 sc->pqueue_start = PSM_PACKETQUEUE - 1; 4890 4891 pb = &sc->pqueue[sc->pqueue_start]; 4892 memcpy(pb, &sc->idlepacket, sizeof(packetbuf_t)); 4893 VLOG(4, (LOG_DEBUG, 4894 "psmsoftintridle: %02x %02x %02x %02x %02x %02x\n", 4895 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 4896 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 4897 4898 psmsoftintr(arg); 4899 } 4900 } 4901 4902 static void 4903 psmsoftintr(void *arg) 4904 { 4905 /* 4906 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 4907 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 4908 */ 4909 static int butmap[8] = { 4910 0, 4911 MOUSE_BUTTON1DOWN, 4912 MOUSE_BUTTON3DOWN, 4913 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4914 MOUSE_BUTTON2DOWN, 4915 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 4916 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 4917 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 4918 }; 4919 struct psm_softc *sc = arg; 4920 mousestatus_t ms; 4921 packetbuf_t *pb; 4922 int x, y, z, c, l, s; 4923 4924 getmicrouptime(&sc->lastsoftintr); 4925 4926 s = spltty(); 4927 4928 do { 4929 pb = &sc->pqueue[sc->pqueue_start]; 4930 4931 if (sc->mode.level == PSM_LEVEL_NATIVE) 4932 goto next_native; 4933 4934 c = pb->ipacket[0]; 4935 /* 4936 * A kludge for Kensington device! 4937 * The MSB of the horizontal count appears to be stored in 4938 * a strange place. 4939 */ 4940 if (sc->hw.model == MOUSE_MODEL_THINK) 4941 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 4942 4943 /* ignore the overflow bits... */ 4944 x = (c & MOUSE_PS2_XNEG) ? 4945 pb->ipacket[1] - 256 : pb->ipacket[1]; 4946 y = (c & MOUSE_PS2_YNEG) ? 4947 pb->ipacket[2] - 256 : pb->ipacket[2]; 4948 z = 0; 4949 ms.obutton = sc->button; /* previous button state */ 4950 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 4951 /* `tapping' action */ 4952 if (sc->config & PSM_CONFIG_FORCETAP) 4953 ms.button |= ((c & MOUSE_PS2_TAP)) ? 4954 0 : MOUSE_BUTTON4DOWN; 4955 timevalclear(&sc->idletimeout); 4956 sc->idlepacket.inputbytes = 0; 4957 4958 switch (sc->hw.model) { 4959 case MOUSE_MODEL_EXPLORER: 4960 /* 4961 * b7 b6 b5 b4 b3 b2 b1 b0 4962 * byte 1: oy ox sy sx 1 M R L 4963 * byte 2: x x x x x x x x 4964 * byte 3: y y y y y y y y 4965 * byte 4: * * S2 S1 s d2 d1 d0 4966 * 4967 * L, M, R, S1, S2: left, middle, right and side buttons 4968 * s: wheel data sign bit 4969 * d2-d0: wheel data 4970 */ 4971 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4972 (pb->ipacket[3] & 0x0f) - 16 : 4973 (pb->ipacket[3] & 0x0f); 4974 ms.button |= 4975 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4976 MOUSE_BUTTON4DOWN : 0; 4977 ms.button |= 4978 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 4979 MOUSE_BUTTON5DOWN : 0; 4980 break; 4981 4982 case MOUSE_MODEL_INTELLI: 4983 case MOUSE_MODEL_NET: 4984 /* wheel data is in the fourth byte */ 4985 z = (char)pb->ipacket[3]; 4986 /* 4987 * XXX some mice may send 7 when there is no Z movement? */ 4988 if ((z >= 7) || (z <= -7)) 4989 z = 0; 4990 /* some compatible mice have additional buttons */ 4991 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 4992 MOUSE_BUTTON4DOWN : 0; 4993 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 4994 MOUSE_BUTTON5DOWN : 0; 4995 break; 4996 4997 case MOUSE_MODEL_MOUSEMANPLUS: 4998 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 4999 break; 5000 5001 case MOUSE_MODEL_GLIDEPOINT: 5002 /* `tapping' action */ 5003 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 5004 MOUSE_BUTTON4DOWN; 5005 break; 5006 5007 case MOUSE_MODEL_NETSCROLL: 5008 /* 5009 * three additional bytes encode buttons and 5010 * wheel events 5011 */ 5012 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 5013 MOUSE_BUTTON4DOWN : 0; 5014 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 5015 MOUSE_BUTTON5DOWN : 0; 5016 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 5017 pb->ipacket[4] - 256 : pb->ipacket[4]; 5018 break; 5019 5020 case MOUSE_MODEL_THINK: 5021 /* the fourth button state in the first byte */ 5022 ms.button |= (c & MOUSE_PS2_TAP) ? 5023 MOUSE_BUTTON4DOWN : 0; 5024 break; 5025 5026 case MOUSE_MODEL_VERSAPAD: 5027 proc_versapad(sc, pb, &ms, &x, &y, &z); 5028 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 5029 ((y < 0) ? MOUSE_PS2_YNEG : 0); 5030 break; 5031 5032 case MOUSE_MODEL_4D: 5033 /* 5034 * b7 b6 b5 b4 b3 b2 b1 b0 5035 * byte 1: s2 d2 s1 d1 1 M R L 5036 * byte 2: sx x x x x x x x 5037 * byte 3: sy y y y y y y y 5038 * 5039 * s1: wheel 1 direction 5040 * d1: wheel 1 data 5041 * s2: wheel 2 direction 5042 * d2: wheel 2 data 5043 */ 5044 x = (pb->ipacket[1] & 0x80) ? 5045 pb->ipacket[1] - 256 : pb->ipacket[1]; 5046 y = (pb->ipacket[2] & 0x80) ? 5047 pb->ipacket[2] - 256 : pb->ipacket[2]; 5048 switch (c & MOUSE_4D_WHEELBITS) { 5049 case 0x10: 5050 z = 1; 5051 break; 5052 case 0x30: 5053 z = -1; 5054 break; 5055 case 0x40: /* XXX 2nd wheel turning right */ 5056 z = 2; 5057 break; 5058 case 0xc0: /* XXX 2nd wheel turning left */ 5059 z = -2; 5060 break; 5061 } 5062 break; 5063 5064 case MOUSE_MODEL_4DPLUS: 5065 if ((x < 16 - 256) && (y < 16 - 256)) { 5066 /* 5067 * b7 b6 b5 b4 b3 b2 b1 b0 5068 * byte 1: 0 0 1 1 1 M R L 5069 * byte 2: 0 0 0 0 1 0 0 0 5070 * byte 3: 0 0 0 0 S s d1 d0 5071 * 5072 * L, M, R, S: left, middle, right, 5073 * and side buttons 5074 * s: wheel data sign bit 5075 * d1-d0: wheel data 5076 */ 5077 x = y = 0; 5078 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 5079 ms.button |= MOUSE_BUTTON4DOWN; 5080 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 5081 ((pb->ipacket[2] & 0x07) - 8) : 5082 (pb->ipacket[2] & 0x07) ; 5083 } else { 5084 /* preserve previous button states */ 5085 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 5086 } 5087 break; 5088 5089 case MOUSE_MODEL_SYNAPTICS: 5090 if (pb->inputbytes == MOUSE_PS2_PACKETSIZE) 5091 if (proc_synaptics_mux(sc, pb)) 5092 goto next; 5093 5094 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) { 5095 VLOG(3, (LOG_DEBUG, "synaptics: " 5096 "packet rejected\n")); 5097 goto next; 5098 } 5099 break; 5100 5101 case MOUSE_MODEL_ELANTECH: 5102 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) { 5103 VLOG(3, (LOG_DEBUG, "elantech: " 5104 "packet rejected\n")); 5105 goto next; 5106 } 5107 break; 5108 5109 case MOUSE_MODEL_TRACKPOINT: 5110 case MOUSE_MODEL_GENERIC: 5111 default: 5112 break; 5113 } 5114 5115 #ifdef EVDEV_SUPPORT 5116 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 5117 sc->hw.model != MOUSE_MODEL_ELANTECH && 5118 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5119 evdev_push_rel(sc->evdev_r, REL_X, x); 5120 evdev_push_rel(sc->evdev_r, REL_Y, -y); 5121 5122 switch (sc->hw.model) { 5123 case MOUSE_MODEL_EXPLORER: 5124 case MOUSE_MODEL_INTELLI: 5125 case MOUSE_MODEL_NET: 5126 case MOUSE_MODEL_NETSCROLL: 5127 case MOUSE_MODEL_4DPLUS: 5128 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5129 break; 5130 case MOUSE_MODEL_MOUSEMANPLUS: 5131 case MOUSE_MODEL_4D: 5132 switch (z) { 5133 case 1: 5134 case -1: 5135 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5136 break; 5137 case 2: 5138 case -2: 5139 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 5140 break; 5141 } 5142 break; 5143 } 5144 5145 evdev_push_mouse_btn(sc->evdev_r, ms.button); 5146 evdev_sync(sc->evdev_r); 5147 } 5148 #endif 5149 5150 /* scale values */ 5151 if (sc->mode.accelfactor >= 1) { 5152 if (x != 0) { 5153 x = x * x / sc->mode.accelfactor; 5154 if (x == 0) 5155 x = 1; 5156 if (c & MOUSE_PS2_XNEG) 5157 x = -x; 5158 } 5159 if (y != 0) { 5160 y = y * y / sc->mode.accelfactor; 5161 if (y == 0) 5162 y = 1; 5163 if (c & MOUSE_PS2_YNEG) 5164 y = -y; 5165 } 5166 } 5167 5168 /* Store last packet for reinjection if it has not been set already */ 5169 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 5170 sc->idlepacket = *pb; 5171 5172 ms.dx = x; 5173 ms.dy = y; 5174 ms.dz = z; 5175 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 5176 (ms.obutton ^ ms.button); 5177 5178 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 5179 5180 sc->status.flags |= ms.flags; 5181 sc->status.dx += ms.dx; 5182 sc->status.dy += ms.dy; 5183 sc->status.dz += ms.dz; 5184 sc->status.button = ms.button; 5185 sc->button = ms.button; 5186 5187 next_native: 5188 sc->watchdog = FALSE; 5189 5190 /* queue data */ 5191 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 5192 l = imin(pb->inputbytes, 5193 sizeof(sc->queue.buf) - sc->queue.tail); 5194 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 5195 if (pb->inputbytes > l) 5196 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 5197 pb->inputbytes - l); 5198 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 5199 sizeof(sc->queue.buf); 5200 sc->queue.count += pb->inputbytes; 5201 } 5202 5203 next: 5204 pb->inputbytes = 0; 5205 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 5206 sc->pqueue_start = 0; 5207 } while (sc->pqueue_start != sc->pqueue_end); 5208 5209 if (sc->state & PSM_ASLP) { 5210 sc->state &= ~PSM_ASLP; 5211 wakeup(sc); 5212 } 5213 selwakeuppri(&sc->rsel, PZERO); 5214 if (sc->async != NULL) { 5215 pgsigio(&sc->async, SIGIO, 0); 5216 } 5217 sc->state &= ~PSM_SOFTARMED; 5218 5219 /* schedule injection of predefined packet after idletimeout 5220 * if no data packets have been received from psmintr */ 5221 if (timevalisset(&sc->idletimeout)) { 5222 sc->state |= PSM_SOFTARMED; 5223 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5224 psmsoftintridle, sc); 5225 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5226 tvtohz(&sc->idletimeout))); 5227 } 5228 splx(s); 5229 } 5230 5231 static int 5232 psmpoll(struct cdev *dev, int events, struct thread *td) 5233 { 5234 struct psm_softc *sc = dev->si_drv1; 5235 int s; 5236 int revents = 0; 5237 5238 /* Return true if a mouse event available */ 5239 s = spltty(); 5240 if (events & (POLLIN | POLLRDNORM)) { 5241 if (sc->queue.count > 0) 5242 revents |= events & (POLLIN | POLLRDNORM); 5243 else 5244 selrecord(td, &sc->rsel); 5245 } 5246 splx(s); 5247 5248 return (revents); 5249 } 5250 5251 /* vendor/model specific routines */ 5252 5253 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5254 { 5255 if (set_mouse_resolution(kbdc, res) != res) 5256 return (FALSE); 5257 if (set_mouse_scaling(kbdc, scale) && 5258 set_mouse_scaling(kbdc, scale) && 5259 set_mouse_scaling(kbdc, scale) && 5260 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5261 return (TRUE); 5262 return (FALSE); 5263 } 5264 5265 static int 5266 mouse_ext_command(KBDC kbdc, int command) 5267 { 5268 int c; 5269 5270 c = (command >> 6) & 0x03; 5271 if (set_mouse_resolution(kbdc, c) != c) 5272 return (FALSE); 5273 c = (command >> 4) & 0x03; 5274 if (set_mouse_resolution(kbdc, c) != c) 5275 return (FALSE); 5276 c = (command >> 2) & 0x03; 5277 if (set_mouse_resolution(kbdc, c) != c) 5278 return (FALSE); 5279 c = (command >> 0) & 0x03; 5280 if (set_mouse_resolution(kbdc, c) != c) 5281 return (FALSE); 5282 return (TRUE); 5283 } 5284 5285 #ifdef notyet 5286 /* Logitech MouseMan Cordless II */ 5287 static int 5288 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5289 { 5290 KBDC kbdc = sc->kbdc; 5291 int status[3]; 5292 int ch; 5293 5294 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5295 return (FALSE); 5296 if (status[1] == PSMD_RES_HIGH) 5297 return (FALSE); 5298 ch = (status[0] & 0x07) - 1; /* channel # */ 5299 if ((ch <= 0) || (ch > 4)) 5300 return (FALSE); 5301 /* 5302 * status[1]: always one? 5303 * status[2]: battery status? (0-100) 5304 */ 5305 return (TRUE); 5306 } 5307 #endif /* notyet */ 5308 5309 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5310 static int 5311 enable_groller(struct psm_softc *sc, enum probearg arg) 5312 { 5313 KBDC kbdc = sc->kbdc; 5314 int status[3]; 5315 5316 /* 5317 * The special sequence to enable the fourth button and the 5318 * roller. Immediately after this sequence check status bytes. 5319 * if the mouse is NetScroll, the second and the third bytes are 5320 * '3' and 'D'. 5321 */ 5322 5323 /* 5324 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5325 * look like the following. 5326 * 5327 * byte 1 bit 7 always 0 5328 * bit 6 stream mode (0) 5329 * bit 5 disabled (0) 5330 * bit 4 1:1 scaling (0) 5331 * bit 3 always 0 5332 * bit 0-2 button status 5333 * byte 2 resolution (PSMD_RES_HIGH) 5334 * byte 3 report rate (?) 5335 */ 5336 5337 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5338 return (FALSE); 5339 if ((status[1] != '3') || (status[2] != 'D')) 5340 return (FALSE); 5341 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5342 if (arg == PROBE) 5343 sc->hw.buttons = 4; 5344 return (TRUE); 5345 } 5346 5347 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5348 static int 5349 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5350 { 5351 KBDC kbdc = sc->kbdc; 5352 int status[3]; 5353 5354 /* 5355 * The special sequence to enable the middle, "rubber" button. 5356 * Immediately after this sequence check status bytes. 5357 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5358 * the second and the third bytes are '3' and 'U'. 5359 * NOTE: NetMouse reports that it has three buttons although it has 5360 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5361 * say they have three buttons too and they do have a button on the 5362 * side... 5363 */ 5364 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5365 return (FALSE); 5366 if ((status[1] != '3') || (status[2] != 'U')) 5367 return (FALSE); 5368 return (TRUE); 5369 } 5370 5371 /* ALPS GlidePoint */ 5372 static int 5373 enable_aglide(struct psm_softc *sc, enum probearg arg) 5374 { 5375 KBDC kbdc = sc->kbdc; 5376 int status[3]; 5377 5378 /* 5379 * The special sequence to obtain ALPS GlidePoint specific 5380 * information. Immediately after this sequence, status bytes will 5381 * contain something interesting. 5382 * NOTE: ALPS produces several models of GlidePoint. Some of those 5383 * do not respond to this sequence, thus, cannot be detected this way. 5384 */ 5385 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5386 return (FALSE); 5387 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5388 return (FALSE); 5389 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5390 return (FALSE); 5391 return (TRUE); 5392 } 5393 5394 /* Kensington ThinkingMouse/Trackball */ 5395 static int 5396 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5397 { 5398 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5399 KBDC kbdc = sc->kbdc; 5400 int status[3]; 5401 int id1; 5402 int id2; 5403 int i; 5404 5405 id1 = get_aux_id(kbdc); 5406 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5407 return (FALSE); 5408 /* 5409 * The device is now in the native mode? It returns a different 5410 * ID value... 5411 */ 5412 id2 = get_aux_id(kbdc); 5413 if ((id1 == id2) || (id2 != 2)) 5414 return (FALSE); 5415 5416 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5417 return (FALSE); 5418 #if PSM_DEBUG >= 2 5419 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5420 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5421 return (FALSE); 5422 #endif 5423 5424 /* 5425 * The special sequence to enable the third and fourth buttons. 5426 * Otherwise they behave like the first and second buttons. 5427 */ 5428 for (i = 0; i < nitems(rate); ++i) 5429 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5430 return (FALSE); 5431 5432 /* 5433 * At this point, the device is using default resolution and 5434 * sampling rate for the native mode. 5435 */ 5436 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5437 return (FALSE); 5438 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5439 return (FALSE); 5440 5441 /* the device appears be enabled by this sequence, diable it for now */ 5442 disable_aux_dev(kbdc); 5443 empty_aux_buffer(kbdc, 5); 5444 5445 return (TRUE); 5446 } 5447 5448 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5449 static int 5450 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5451 { 5452 KBDC kbdc = sc->kbdc; 5453 int data[3]; 5454 5455 /* the special sequence to enable the fourth button and the roller. */ 5456 /* 5457 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5458 * must be called exactly three times since the last RESET command 5459 * before this sequence. XXX 5460 */ 5461 if (!set_mouse_scaling(kbdc, 1)) 5462 return (FALSE); 5463 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5464 return (FALSE); 5465 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5466 return (FALSE); 5467 5468 /* 5469 * PS2++ protocol, packet type 0 5470 * 5471 * b7 b6 b5 b4 b3 b2 b1 b0 5472 * byte 1: * 1 p3 p2 1 * * * 5473 * byte 2: 1 1 p1 p0 m1 m0 1 0 5474 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5475 * 5476 * p3-p0: packet type: 0 5477 * m7-m0: model ID: MouseMan+:0x50, 5478 * FirstMouse+:0x51, 5479 * ScrollPoint:0x58... 5480 */ 5481 /* check constant bits */ 5482 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5483 return (FALSE); 5484 if ((data[1] & 0xc3) != 0xc2) 5485 return (FALSE); 5486 /* check d3-d0 in byte 2 */ 5487 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5488 return (FALSE); 5489 /* check p3-p0 */ 5490 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5491 return (FALSE); 5492 5493 if (arg == PROBE) { 5494 sc->hw.hwid &= 0x00ff; 5495 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5496 } 5497 5498 /* 5499 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5500 * the wheel and the fourth button events are encoded in the 5501 * special data packet. The mouse may be put in the IntelliMouse mode 5502 * if it is initialized by the IntelliMouse's method. 5503 */ 5504 return (TRUE); 5505 } 5506 5507 /* MS IntelliMouse Explorer */ 5508 static int 5509 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5510 { 5511 KBDC kbdc = sc->kbdc; 5512 static u_char rate0[] = { 200, 100, 80, }; 5513 static u_char rate1[] = { 200, 200, 80, }; 5514 int id; 5515 int i; 5516 5517 /* 5518 * This is needed for at least A4Tech X-7xx mice - they do not go 5519 * straight to Explorer mode, but need to be set to Intelli mode 5520 * first. 5521 */ 5522 enable_msintelli(sc, arg); 5523 5524 /* the special sequence to enable the extra buttons and the roller. */ 5525 for (i = 0; i < nitems(rate1); ++i) 5526 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5527 return (FALSE); 5528 /* the device will give the genuine ID only after the above sequence */ 5529 id = get_aux_id(kbdc); 5530 if (id != PSM_EXPLORER_ID) 5531 return (FALSE); 5532 5533 if (arg == PROBE) { 5534 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5535 sc->hw.hwid = id; 5536 } 5537 5538 /* 5539 * XXX: this is a kludge to fool some KVM switch products 5540 * which think they are clever enough to know the 4-byte IntelliMouse 5541 * protocol, and assume any other protocols use 3-byte packets. 5542 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5543 * correctly to the host computer because of this! 5544 * The following sequence is actually IntelliMouse's "wake up" 5545 * sequence; it will make the KVM think the mouse is IntelliMouse 5546 * when it is in fact IntelliMouse Explorer. 5547 */ 5548 for (i = 0; i < nitems(rate0); ++i) 5549 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5550 break; 5551 get_aux_id(kbdc); 5552 5553 return (TRUE); 5554 } 5555 5556 /* 5557 * MS IntelliMouse 5558 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5559 * probe routine and act like IntelliMouse. 5560 */ 5561 static int 5562 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5563 { 5564 KBDC kbdc = sc->kbdc; 5565 static u_char rate[] = { 200, 100, 80, }; 5566 int id; 5567 int i; 5568 5569 /* the special sequence to enable the third button and the roller. */ 5570 for (i = 0; i < nitems(rate); ++i) 5571 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5572 return (FALSE); 5573 /* the device will give the genuine ID only after the above sequence */ 5574 id = get_aux_id(kbdc); 5575 if (id != PSM_INTELLI_ID) 5576 return (FALSE); 5577 5578 if (arg == PROBE) { 5579 sc->hw.buttons = 3; 5580 sc->hw.hwid = id; 5581 } 5582 5583 return (TRUE); 5584 } 5585 5586 /* 5587 * A4 Tech 4D Mouse 5588 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5589 */ 5590 static int 5591 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5592 { 5593 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5594 KBDC kbdc = sc->kbdc; 5595 int id; 5596 int i; 5597 5598 for (i = 0; i < nitems(rate); ++i) 5599 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5600 return (FALSE); 5601 id = get_aux_id(kbdc); 5602 /* 5603 * WinEasy 4D, 4 Way Scroll 4D: 6 5604 * Cable-Free 4D: 8 (4DPLUS) 5605 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5606 */ 5607 if (id != PSM_4DMOUSE_ID) 5608 return (FALSE); 5609 5610 if (arg == PROBE) { 5611 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5612 sc->hw.hwid = id; 5613 } 5614 5615 return (TRUE); 5616 } 5617 5618 /* 5619 * A4 Tech 4D+ Mouse 5620 * Newer wheel mice from A4 Tech seem to use this protocol. 5621 * Older models are recognized as either 4D Mouse or IntelliMouse. 5622 */ 5623 static int 5624 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5625 { 5626 KBDC kbdc = sc->kbdc; 5627 int id; 5628 5629 /* 5630 * enable_4dmouse() already issued the following ID sequence... 5631 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5632 int i; 5633 5634 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5635 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5636 return (FALSE); 5637 */ 5638 5639 id = get_aux_id(kbdc); 5640 switch (id) { 5641 case PSM_4DPLUS_ID: 5642 break; 5643 case PSM_4DPLUS_RFSW35_ID: 5644 break; 5645 default: 5646 return (FALSE); 5647 } 5648 5649 if (arg == PROBE) { 5650 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5651 sc->hw.hwid = id; 5652 } 5653 5654 return (TRUE); 5655 } 5656 5657 /* Synaptics Touchpad */ 5658 static int 5659 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5660 { 5661 struct psm_softc *sc; 5662 int error, arg; 5663 5664 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5665 oidp->oid_arg2 > SYNAPTICS_SYSCTL_LAST) 5666 return (EINVAL); 5667 5668 sc = oidp->oid_arg1; 5669 5670 /* Read the current value. */ 5671 arg = *(int *)((char *)sc + oidp->oid_arg2); 5672 error = sysctl_handle_int(oidp, &arg, 0, req); 5673 5674 /* Sanity check. */ 5675 if (error || !req->newptr) 5676 return (error); 5677 5678 /* 5679 * Check that the new value is in the concerned node's range 5680 * of values. 5681 */ 5682 switch (oidp->oid_arg2) { 5683 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5684 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5685 if (arg < 0 || arg > 255) 5686 return (EINVAL); 5687 break; 5688 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5689 if (arg < 4 || arg > 15) 5690 return (EINVAL); 5691 break; 5692 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5693 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5694 case SYNAPTICS_SYSCTL_NA_TOP: 5695 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5696 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5697 return (EINVAL); 5698 break; 5699 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5700 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5701 /* Softbuttons is clickpad only feature */ 5702 if (!sc->synhw.capClickPad && arg != 0) 5703 return (EINVAL); 5704 /* FALLTHROUGH */ 5705 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5706 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5707 case SYNAPTICS_SYSCTL_NA_RIGHT: 5708 case SYNAPTICS_SYSCTL_NA_LEFT: 5709 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5710 return (EINVAL); 5711 break; 5712 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5713 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5714 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5715 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5716 return (EINVAL); 5717 break; 5718 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5719 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5720 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5721 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5722 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5723 case SYNAPTICS_SYSCTL_DIV_MIN: 5724 case SYNAPTICS_SYSCTL_DIV_MAX: 5725 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5726 case SYNAPTICS_SYSCTL_DIV_LEN: 5727 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5728 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5729 if (arg < 1) 5730 return (EINVAL); 5731 break; 5732 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5733 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5734 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5735 if (arg < 0) 5736 return (EINVAL); 5737 break; 5738 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5739 if (arg < -sc->synhw.maximumXCoord || 5740 arg > sc->synhw.maximumXCoord) 5741 return (EINVAL); 5742 break; 5743 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5744 /* Softbuttons is clickpad only feature */ 5745 if (!sc->synhw.capClickPad && arg != 0) 5746 return (EINVAL); 5747 /* FALLTHROUGH */ 5748 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5749 if (arg < -sc->synhw.maximumYCoord || 5750 arg > sc->synhw.maximumYCoord) 5751 return (EINVAL); 5752 break; 5753 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5754 case SYNAPTICS_SYSCTL_THREE_FINGER_DRAG: 5755 case SYNAPTICS_SYSCTL_NATURAL_SCROLL: 5756 if (arg < 0 || arg > 1) 5757 return (EINVAL); 5758 break; 5759 default: 5760 return (EINVAL); 5761 } 5762 5763 /* Update. */ 5764 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5765 5766 return (error); 5767 } 5768 5769 static void 5770 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5771 { 5772 /* 5773 * Set predefined sizes for softbuttons. 5774 * Values are taken to match HP Pavilion dv6 clickpad drawings 5775 * with thin middle softbutton placed on separator 5776 */ 5777 5778 /* hw.psm.synaptics.softbuttons_y */ 5779 sc->syninfo.softbuttons_y = sc->synhw.topButtonPad ? -1700 : 1700; 5780 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5781 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5782 "softbuttons_y", 5783 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5784 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5785 synaptics_sysctl, "I", 5786 "Vertical size of softbuttons area"); 5787 5788 /* hw.psm.synaptics.softbutton2_x */ 5789 sc->syninfo.softbutton2_x = 3100; 5790 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5791 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5792 "softbutton2_x", 5793 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5794 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5795 synaptics_sysctl, "I", 5796 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5797 5798 /* hw.psm.synaptics.softbutton3_x */ 5799 sc->syninfo.softbutton3_x = 3900; 5800 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5801 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5802 "softbutton3_x", 5803 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5804 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5805 synaptics_sysctl, "I", 5806 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5807 } 5808 5809 static void 5810 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5811 const char *descr) 5812 { 5813 5814 if (sc->syninfo.sysctl_tree != NULL) 5815 return; 5816 5817 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5818 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5819 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5820 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, 5821 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, descr); 5822 5823 /* hw.psm.synaptics.directional_scrolls. */ 5824 sc->syninfo.directional_scrolls = 0; 5825 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5826 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5827 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5828 &sc->syninfo.directional_scrolls, 0, 5829 "Enable hardware scrolling pad (if non-zero) or register it as " 5830 "extended buttons (if 0)"); 5831 5832 /* hw.psm.synaptics.max_x. */ 5833 sc->syninfo.max_x = 6143; 5834 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5835 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5836 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5837 &sc->syninfo.max_x, 0, 5838 "Horizontal reporting range"); 5839 5840 /* hw.psm.synaptics.max_y. */ 5841 sc->syninfo.max_y = 6143; 5842 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5843 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5844 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5845 &sc->syninfo.max_y, 0, 5846 "Vertical reporting range"); 5847 5848 /* 5849 * Turn off two finger scroll if we have a 5850 * physical area reserved for scrolling or when 5851 * there's no multi finger support. 5852 */ 5853 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5854 sc->synhw.capAdvancedGestures == 0)) 5855 sc->syninfo.two_finger_scroll = 0; 5856 else 5857 sc->syninfo.two_finger_scroll = 1; 5858 /* hw.psm.synaptics.two_finger_scroll. */ 5859 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5860 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5861 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5862 &sc->syninfo.two_finger_scroll, 0, 5863 "Enable two finger scrolling"); 5864 5865 /* hw.psm.synaptics.min_pressure. */ 5866 sc->syninfo.min_pressure = 32; 5867 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5868 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5869 "min_pressure", 5870 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5871 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5872 synaptics_sysctl, "I", 5873 "Minimum pressure required to start an action"); 5874 5875 /* hw.psm.synaptics.max_pressure. */ 5876 sc->syninfo.max_pressure = 220; 5877 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5878 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5879 "max_pressure", 5880 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5881 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5882 synaptics_sysctl, "I", 5883 "Maximum pressure to detect palm"); 5884 5885 /* hw.psm.synaptics.max_width. */ 5886 sc->syninfo.max_width = 10; 5887 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5888 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5889 "max_width", 5890 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5891 sc, SYNAPTICS_SYSCTL_MAX_WIDTH, 5892 synaptics_sysctl, "I", 5893 "Maximum finger width to detect palm"); 5894 5895 /* hw.psm.synaptics.top_margin. */ 5896 sc->syninfo.margin_top = 200; 5897 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5898 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5899 "margin_top", 5900 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5901 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5902 synaptics_sysctl, "I", 5903 "Top margin"); 5904 5905 /* hw.psm.synaptics.right_margin. */ 5906 sc->syninfo.margin_right = 200; 5907 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5908 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5909 "margin_right", 5910 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5911 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5912 synaptics_sysctl, "I", 5913 "Right margin"); 5914 5915 /* hw.psm.synaptics.bottom_margin. */ 5916 sc->syninfo.margin_bottom = 200; 5917 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5918 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5919 "margin_bottom", 5920 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5921 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5922 synaptics_sysctl, "I", 5923 "Bottom margin"); 5924 5925 /* hw.psm.synaptics.left_margin. */ 5926 sc->syninfo.margin_left = 200; 5927 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5928 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5929 "margin_left", 5930 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5931 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5932 synaptics_sysctl, "I", 5933 "Left margin"); 5934 5935 /* hw.psm.synaptics.na_top. */ 5936 sc->syninfo.na_top = 1783; 5937 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5938 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5939 "na_top", 5940 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5941 sc, SYNAPTICS_SYSCTL_NA_TOP, 5942 synaptics_sysctl, "I", 5943 "Top noisy area, where weight_previous_na is used instead " 5944 "of weight_previous"); 5945 5946 /* hw.psm.synaptics.na_right. */ 5947 sc->syninfo.na_right = 563; 5948 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5949 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5950 "na_right", 5951 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5952 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 5953 synaptics_sysctl, "I", 5954 "Right noisy area, where weight_previous_na is used instead " 5955 "of weight_previous"); 5956 5957 /* hw.psm.synaptics.na_bottom. */ 5958 sc->syninfo.na_bottom = 1408; 5959 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5960 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5961 "na_bottom", 5962 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5963 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 5964 synaptics_sysctl, "I", 5965 "Bottom noisy area, where weight_previous_na is used instead " 5966 "of weight_previous"); 5967 5968 /* hw.psm.synaptics.na_left. */ 5969 sc->syninfo.na_left = 1600; 5970 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5971 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5972 "na_left", 5973 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5974 sc, SYNAPTICS_SYSCTL_NA_LEFT, 5975 synaptics_sysctl, "I", 5976 "Left noisy area, where weight_previous_na is used instead " 5977 "of weight_previous"); 5978 5979 /* hw.psm.synaptics.window_min. */ 5980 sc->syninfo.window_min = 4; 5981 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5982 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5983 "window_min", 5984 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5985 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 5986 synaptics_sysctl, "I", 5987 "Minimum window size to start an action"); 5988 5989 /* hw.psm.synaptics.window_max. */ 5990 sc->syninfo.window_max = 10; 5991 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5992 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5993 "window_max", 5994 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5995 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 5996 synaptics_sysctl, "I", 5997 "Maximum window size"); 5998 5999 /* hw.psm.synaptics.multiplicator. */ 6000 sc->syninfo.multiplicator = 10000; 6001 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6002 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6003 "multiplicator", 6004 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6005 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 6006 synaptics_sysctl, "I", 6007 "Multiplicator to increase precision in averages and divisions"); 6008 6009 /* hw.psm.synaptics.weight_current. */ 6010 sc->syninfo.weight_current = 3; 6011 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6012 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6013 "weight_current", 6014 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6015 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 6016 synaptics_sysctl, "I", 6017 "Weight of the current movement in the new average"); 6018 6019 /* hw.psm.synaptics.weight_previous. */ 6020 sc->syninfo.weight_previous = 6; 6021 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6022 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6023 "weight_previous", 6024 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6025 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 6026 synaptics_sysctl, "I", 6027 "Weight of the previous average"); 6028 6029 /* hw.psm.synaptics.weight_previous_na. */ 6030 sc->syninfo.weight_previous_na = 20; 6031 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6032 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6033 "weight_previous_na", 6034 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6035 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 6036 synaptics_sysctl, "I", 6037 "Weight of the previous average (inside the noisy area)"); 6038 6039 /* hw.psm.synaptics.weight_len_squared. */ 6040 sc->syninfo.weight_len_squared = 2000; 6041 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6042 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6043 "weight_len_squared", 6044 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6045 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 6046 synaptics_sysctl, "I", 6047 "Length (squared) of segments where weight_previous " 6048 "starts to decrease"); 6049 6050 /* hw.psm.synaptics.div_min. */ 6051 sc->syninfo.div_min = 9; 6052 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6053 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6054 "div_min", 6055 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6056 sc, SYNAPTICS_SYSCTL_DIV_MIN, 6057 synaptics_sysctl, "I", 6058 "Divisor for fast movements"); 6059 6060 /* hw.psm.synaptics.div_max. */ 6061 sc->syninfo.div_max = 17; 6062 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6063 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6064 "div_max", 6065 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6066 sc, SYNAPTICS_SYSCTL_DIV_MAX, 6067 synaptics_sysctl, "I", 6068 "Divisor for slow movements"); 6069 6070 /* hw.psm.synaptics.div_max_na. */ 6071 sc->syninfo.div_max_na = 30; 6072 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6073 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6074 "div_max_na", 6075 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6076 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 6077 synaptics_sysctl, "I", 6078 "Divisor with slow movements (inside the noisy area)"); 6079 6080 /* hw.psm.synaptics.div_len. */ 6081 sc->syninfo.div_len = 100; 6082 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6083 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6084 "div_len", 6085 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6086 sc, SYNAPTICS_SYSCTL_DIV_LEN, 6087 synaptics_sysctl, "I", 6088 "Length of segments where div_max starts to decrease"); 6089 6090 /* hw.psm.synaptics.tap_max_delta. */ 6091 sc->syninfo.tap_max_delta = 80; 6092 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6093 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6094 "tap_max_delta", 6095 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6096 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 6097 synaptics_sysctl, "I", 6098 "Length of segments above which a tap is ignored"); 6099 6100 /* hw.psm.synaptics.tap_min_queue. */ 6101 sc->syninfo.tap_min_queue = 2; 6102 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6103 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6104 "tap_min_queue", 6105 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6106 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 6107 synaptics_sysctl, "I", 6108 "Number of packets required to consider a tap"); 6109 6110 /* hw.psm.synaptics.taphold_timeout. */ 6111 sc->gesture.in_taphold = 0; 6112 sc->syninfo.taphold_timeout = tap_timeout; 6113 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6114 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6115 "taphold_timeout", 6116 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6117 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 6118 synaptics_sysctl, "I", 6119 "Maximum elapsed time between two taps to consider a tap-hold " 6120 "action"); 6121 6122 /* hw.psm.synaptics.vscroll_hor_area. */ 6123 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 6124 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6125 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6126 "vscroll_hor_area", 6127 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6128 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 6129 synaptics_sysctl, "I", 6130 "Area reserved for horizontal virtual scrolling"); 6131 6132 /* hw.psm.synaptics.vscroll_ver_area. */ 6133 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 6134 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6135 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6136 "vscroll_ver_area", 6137 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6138 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 6139 synaptics_sysctl, "I", 6140 "Area reserved for vertical virtual scrolling"); 6141 6142 /* hw.psm.synaptics.vscroll_min_delta. */ 6143 sc->syninfo.vscroll_min_delta = 50; 6144 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6145 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6146 "vscroll_min_delta", 6147 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6148 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 6149 synaptics_sysctl, "I", 6150 "Minimum movement to consider virtual scrolling"); 6151 6152 /* hw.psm.synaptics.vscroll_div_min. */ 6153 sc->syninfo.vscroll_div_min = 100; 6154 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6155 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6156 "vscroll_div_min", 6157 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6158 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 6159 synaptics_sysctl, "I", 6160 "Divisor for fast scrolling"); 6161 6162 /* hw.psm.synaptics.vscroll_div_min. */ 6163 sc->syninfo.vscroll_div_max = 150; 6164 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6165 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6166 "vscroll_div_max", 6167 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6168 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 6169 synaptics_sysctl, "I", 6170 "Divisor for slow scrolling"); 6171 6172 /* hw.psm.synaptics.touchpad_off. */ 6173 sc->syninfo.touchpad_off = 0; 6174 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6175 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6176 "touchpad_off", 6177 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6178 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 6179 synaptics_sysctl, "I", 6180 "Turn off touchpad"); 6181 6182 sc->syninfo.three_finger_drag = 0; 6183 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6184 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6185 "three_finger_drag", 6186 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6187 sc, SYNAPTICS_SYSCTL_THREE_FINGER_DRAG, 6188 synaptics_sysctl, "I", 6189 "Enable dragging with three fingers"); 6190 6191 /* hw.psm.synaptics.natural_scroll. */ 6192 sc->syninfo.natural_scroll = 0; 6193 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6194 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6195 "natural_scroll", 6196 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6197 sc, SYNAPTICS_SYSCTL_NATURAL_SCROLL, 6198 synaptics_sysctl, "I", 6199 "Enable natural scrolling"); 6200 6201 sc->syninfo.softbuttons_y = 0; 6202 sc->syninfo.softbutton2_x = 0; 6203 sc->syninfo.softbutton3_x = 0; 6204 6205 /* skip softbuttons sysctl on not clickpads */ 6206 if (sc->synhw.capClickPad) 6207 synaptics_sysctl_create_softbuttons_tree(sc); 6208 } 6209 6210 static int 6211 synaptics_preferred_mode(struct psm_softc *sc) { 6212 int mode_byte; 6213 6214 /* Check if we are in relative mode */ 6215 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 6216 if (tap_enabled == 0) 6217 /* 6218 * Disable tap & drag gestures. We use a Mode Byte 6219 * and set the DisGest bit (see §2.5 of Synaptics 6220 * TouchPad Interfacing Guide). 6221 */ 6222 return (0x04); 6223 else 6224 /* 6225 * Enable tap & drag gestures. We use a Mode Byte 6226 * and clear the DisGest bit (see §2.5 of Synaptics 6227 * TouchPad Interfacing Guide). 6228 */ 6229 return (0x00); 6230 } 6231 6232 mode_byte = 0xc4; 6233 6234 /* request wmode where available */ 6235 if (sc->synhw.capExtended) 6236 mode_byte |= 1; 6237 6238 return mode_byte; 6239 } 6240 6241 static void 6242 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 6243 mouse_ext_command(sc->kbdc, mode_byte); 6244 6245 /* "Commit" the Set Mode Byte command sent above. */ 6246 set_mouse_sampling_rate(sc->kbdc, 20); 6247 6248 /* 6249 * Enable advanced gestures mode if supported and we are not entering 6250 * passthrough or relative mode. 6251 */ 6252 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 6253 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 6254 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODEL_ID); 6255 set_mouse_sampling_rate(sc->kbdc, 0xc8); 6256 } 6257 } 6258 6259 /* 6260 * AUX MUX detection code should be placed at very beginning of probe sequence 6261 * at least before 4-byte protocol mouse probes e.g. MS IntelliMouse probe as 6262 * latter can trigger switching the MUX to incompatible state. 6263 */ 6264 static int 6265 enable_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6266 { 6267 KBDC kbdc = sc->kbdc; 6268 int port, version; 6269 int probe = FALSE; 6270 int active_ports_count = 0; 6271 int active_ports_mask = 0; 6272 6273 sc->muxsinglesyna = FALSE; 6274 6275 if (mux_disabled == 1 || (mux_disabled == -1 && 6276 (kbdc->quirks & KBDC_QUIRK_DISABLE_MUX_PROBE) != 0)) 6277 return (FALSE); 6278 6279 version = enable_aux_mux(kbdc); 6280 if (version == -1) 6281 return (FALSE); 6282 6283 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6284 VLOG(3, (LOG_DEBUG, "aux_mux: ping port %d\n", port)); 6285 set_active_aux_mux_port(kbdc, port); 6286 if (enable_aux_dev(kbdc) && disable_aux_dev(kbdc)) { 6287 active_ports_count++; 6288 active_ports_mask |= 1 << port; 6289 } 6290 } 6291 6292 if (verbose >= 2) 6293 printf("Active Multiplexing PS/2 controller v%d.%d with %d " 6294 "active port(s)\n", version >> 4 & 0x0f, version & 0x0f, 6295 active_ports_count); 6296 6297 /* psm has a special support for GenMouse + SynTouchpad combination */ 6298 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6299 if ((active_ports_mask & 1 << port) == 0) 6300 continue; 6301 VLOG(3, (LOG_DEBUG, "aux_mux: probe port %d\n", port)); 6302 set_active_aux_mux_port(kbdc, port); 6303 probe = enable_synaptics(sc, arg); 6304 if (probe) { 6305 if (arg == PROBE) 6306 sc->muxport = port; 6307 break; 6308 } 6309 } 6310 6311 /* IRQ handler does not support active multiplexing mode */ 6312 disable_aux_mux(kbdc); 6313 6314 /* Is MUX still alive after switching back to legacy mode? */ 6315 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 6316 /* 6317 * On some laptops e.g. Lenovo X121e dead AUX MUX can be 6318 * brought back to life with resetting of keyboard. 6319 */ 6320 reset_kbd(kbdc); 6321 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 6322 device_printf(sc->dev, "AUX MUX hang detected!\n"); 6323 printf("Consider adding hw.psm.mux_disabled=1 to " 6324 "loader tunables\n"); 6325 } 6326 } 6327 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 6328 6329 /* Don't disable syncbit checks if Synaptics is only device on MUX */ 6330 if (active_ports_count == 1) 6331 sc->muxsinglesyna = probe; 6332 return (active_ports_count != 1 ? probe : FALSE); 6333 } 6334 6335 static int 6336 enable_single_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6337 { 6338 /* Synaptics device is already initialized in enable_synaptics_mux */ 6339 return (sc->muxsinglesyna); 6340 } 6341 6342 static int 6343 enable_synaptics(struct psm_softc *sc, enum probearg arg) 6344 { 6345 device_t psmcpnp; 6346 struct psmcpnp_softc *psmcpnp_sc; 6347 KBDC kbdc = sc->kbdc; 6348 synapticshw_t synhw; 6349 int status[3]; 6350 int buttons; 6351 6352 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6353 6354 /* 6355 * Just to be on the safe side: this avoids troubles with 6356 * following mouse_ext_command() when the previous command 6357 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6358 * Synaptics Touchpad behaviour. 6359 */ 6360 set_mouse_scaling(kbdc, 1); 6361 6362 /* Identify the Touchpad version. */ 6363 if (mouse_ext_command(kbdc, SYNAPTICS_READ_IDENTITY) == 0) 6364 return (FALSE); 6365 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6366 return (FALSE); 6367 if (status[1] != 0x47) 6368 return (FALSE); 6369 6370 bzero(&synhw, sizeof(synhw)); 6371 synhw.infoMinor = status[0]; 6372 synhw.infoMajor = status[2] & 0x0f; 6373 6374 if (verbose >= 2) 6375 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6376 synhw.infoMinor); 6377 6378 if (synhw.infoMajor < 4) { 6379 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6380 return (FALSE); 6381 } 6382 6383 /* Get the Touchpad model information. */ 6384 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODEL_ID) == 0) 6385 return (FALSE); 6386 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6387 return (FALSE); 6388 if ((status[1] & 0x01) != 0) { 6389 printf(" Failed to read model information\n"); 6390 return (FALSE); 6391 } 6392 6393 synhw.infoRot180 = (status[0] & 0x80) != 0; 6394 synhw.infoPortrait = (status[0] & 0x40) != 0; 6395 synhw.infoSensor = status[0] & 0x3f; 6396 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6397 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6398 synhw.capPen = (status[2] & 0x40) != 0; 6399 synhw.infoSimplC = (status[2] & 0x20) != 0; 6400 synhw.infoGeometry = status[2] & 0x0f; 6401 6402 if (verbose >= 2) { 6403 printf(" Model information:\n"); 6404 printf(" infoRot180: %d\n", synhw.infoRot180); 6405 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6406 printf(" infoSensor: %d\n", synhw.infoSensor); 6407 printf(" infoHardware: %d\n", synhw.infoHardware); 6408 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6409 printf(" capPen: %d\n", synhw.capPen); 6410 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6411 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6412 } 6413 6414 /* 6415 * Typical bezel limits. Taken from 'Synaptics 6416 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6417 */ 6418 synhw.maximumXCoord = 5472; 6419 synhw.maximumYCoord = 4448; 6420 synhw.minimumXCoord = 1472; 6421 synhw.minimumYCoord = 1408; 6422 6423 /* Read the extended capability bits. */ 6424 if (mouse_ext_command(kbdc, SYNAPTICS_READ_CAPABILITIES) == 0) 6425 return (FALSE); 6426 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6427 return (FALSE); 6428 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6429 printf(" Failed to read extended capability bits\n"); 6430 return (FALSE); 6431 } 6432 6433 psmcpnp = devclass_get_device(devclass_find(PSMCPNP_DRIVER_NAME), 6434 device_get_unit(sc->dev)); 6435 psmcpnp_sc = (psmcpnp != NULL) ? device_get_softc(psmcpnp) : NULL; 6436 6437 /* Set the different capabilities when they exist. */ 6438 buttons = 0; 6439 synhw.capExtended = (status[0] & 0x80) != 0; 6440 if (synhw.capExtended) { 6441 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6442 synhw.capMiddle = (status[0] & 0x04) != 0; 6443 synhw.capPassthrough = (status[2] & 0x80) != 0; 6444 synhw.capLowPower = (status[2] & 0x40) != 0; 6445 synhw.capMultiFingerReport = 6446 (status[2] & 0x20) != 0; 6447 synhw.capSleep = (status[2] & 0x10) != 0; 6448 synhw.capFourButtons = (status[2] & 0x08) != 0; 6449 synhw.capBallistics = (status[2] & 0x04) != 0; 6450 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6451 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6452 6453 if (!set_mouse_scaling(kbdc, 1)) 6454 return (FALSE); 6455 if (mouse_ext_command(kbdc, SYNAPTICS_READ_RESOLUTIONS) == 0) 6456 return (FALSE); 6457 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6458 return (FALSE); 6459 6460 if (status[0] != 0 && (status[1] & 0x80) && status[2] != 0) { 6461 synhw.infoXupmm = status[0]; 6462 synhw.infoYupmm = status[2]; 6463 } 6464 6465 if (verbose >= 2) { 6466 printf(" Extended capabilities:\n"); 6467 printf(" capExtended: %d\n", synhw.capExtended); 6468 printf(" capMiddle: %d\n", synhw.capMiddle); 6469 printf(" nExtendedQueries: %d\n", 6470 synhw.nExtendedQueries); 6471 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6472 printf(" capLowPower: %d\n", synhw.capLowPower); 6473 printf(" capMultiFingerReport: %d\n", 6474 synhw.capMultiFingerReport); 6475 printf(" capSleep: %d\n", synhw.capSleep); 6476 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6477 printf(" capBallistics: %d\n", synhw.capBallistics); 6478 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6479 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6480 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6481 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6482 } 6483 6484 /* 6485 * If nExtendedQueries is 1 or greater, then the TouchPad 6486 * supports this number of extended queries. We can load 6487 * more information about buttons using query 0x09. 6488 */ 6489 if (synhw.nExtendedQueries >= 1) { 6490 if (!set_mouse_scaling(kbdc, 1)) 6491 return (FALSE); 6492 if (mouse_ext_command(kbdc, 6493 SYNAPTICS_READ_EXTENDED) == 0) 6494 return (FALSE); 6495 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6496 return (FALSE); 6497 synhw.verticalScroll = (status[0] & 0x01) != 0; 6498 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6499 synhw.verticalWheel = (status[0] & 0x08) != 0; 6500 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6501 synhw.capEWmode = (status[0] & 0x04) != 0; 6502 if (verbose >= 2) { 6503 printf(" Extended model ID:\n"); 6504 printf(" verticalScroll: %d\n", 6505 synhw.verticalScroll); 6506 printf(" horizontalScroll: %d\n", 6507 synhw.horizontalScroll); 6508 printf(" verticalWheel: %d\n", 6509 synhw.verticalWheel); 6510 printf(" nExtendedButtons: %d\n", 6511 synhw.nExtendedButtons); 6512 printf(" capEWmode: %d\n", 6513 synhw.capEWmode); 6514 } 6515 /* 6516 * Add the number of extended buttons to the total 6517 * button support count, including the middle button 6518 * if capMiddle support bit is set. 6519 */ 6520 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6521 } else 6522 /* 6523 * If the capFourButtons support bit is set, 6524 * add a fourth button to the total button count. 6525 */ 6526 buttons = synhw.capFourButtons ? 1 : 0; 6527 6528 /* Read the continued capabilities bits. */ 6529 if (synhw.nExtendedQueries >= 4) { 6530 if (!set_mouse_scaling(kbdc, 1)) 6531 return (FALSE); 6532 if (mouse_ext_command(kbdc, 6533 SYNAPTICS_READ_CAPABILITIES_CONT) == 0) 6534 return (FALSE); 6535 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6536 return (FALSE); 6537 6538 synhw.capClickPad = (status[1] & 0x01) << 1; 6539 synhw.capClickPad |= (status[0] & 0x10) != 0; 6540 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6541 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6542 synhw.capReportsV = (status[1] & 0x08) != 0; 6543 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6544 synhw.capReportsMin = (status[1] & 0x20) != 0; 6545 synhw.capInterTouch = (status[1] & 0x40) != 0; 6546 synhw.capReportsMax = (status[0] & 0x02) != 0; 6547 synhw.capClearPad = (status[0] & 0x04) != 0; 6548 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6549 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6550 6551 if (synhw.capReportsMax) { 6552 if (!set_mouse_scaling(kbdc, 1)) 6553 return (FALSE); 6554 if (mouse_ext_command(kbdc, 6555 SYNAPTICS_READ_MAX_COORDS) == 0) 6556 return (FALSE); 6557 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6558 return (FALSE); 6559 6560 synhw.maximumXCoord = (status[0] << 5) | 6561 ((status[1] & 0x0f) << 1); 6562 synhw.maximumYCoord = (status[2] << 5) | 6563 ((status[1] & 0xf0) >> 3); 6564 } 6565 6566 if (synhw.capReportsMin) { 6567 if (!set_mouse_scaling(kbdc, 1)) 6568 return (FALSE); 6569 if (mouse_ext_command(kbdc, 6570 SYNAPTICS_READ_MIN_COORDS) == 0) 6571 return (FALSE); 6572 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6573 return (FALSE); 6574 6575 synhw.minimumXCoord = (status[0] << 5) | 6576 ((status[1] & 0x0f) << 1); 6577 synhw.minimumYCoord = (status[2] << 5) | 6578 ((status[1] & 0xf0) >> 3); 6579 } 6580 6581 /* 6582 * ClickPad properties are not exported through PS/2 6583 * protocol. Detection is based on controller's PnP ID. 6584 */ 6585 if (synhw.capClickPad && psmcpnp_sc != NULL) { 6586 switch (psmcpnp_sc->type) { 6587 case PSMCPNP_FORCEPAD: 6588 synhw.forcePad = 1; 6589 break; 6590 case PSMCPNP_TOPBUTTONPAD: 6591 synhw.topButtonPad = 1; 6592 break; 6593 default: 6594 break; 6595 } 6596 } 6597 6598 if (verbose >= 2) { 6599 printf(" Continued capabilities:\n"); 6600 printf(" capClickPad: %d\n", 6601 synhw.capClickPad); 6602 printf(" capDeluxeLEDs: %d\n", 6603 synhw.capDeluxeLEDs); 6604 printf(" noAbsoluteFilter: %d\n", 6605 synhw.noAbsoluteFilter); 6606 printf(" capReportsV: %d\n", 6607 synhw.capReportsV); 6608 printf(" capUniformClickPad: %d\n", 6609 synhw.capUniformClickPad); 6610 printf(" capReportsMin: %d\n", 6611 synhw.capReportsMin); 6612 printf(" capInterTouch: %d\n", 6613 synhw.capInterTouch); 6614 printf(" capReportsMax: %d\n", 6615 synhw.capReportsMax); 6616 printf(" capClearPad: %d\n", 6617 synhw.capClearPad); 6618 printf(" capAdvancedGestures: %d\n", 6619 synhw.capAdvancedGestures); 6620 printf(" capCoveredPad: %d\n", 6621 synhw.capCoveredPad); 6622 if (synhw.capReportsMax) { 6623 printf(" maximumXCoord: %d\n", 6624 synhw.maximumXCoord); 6625 printf(" maximumYCoord: %d\n", 6626 synhw.maximumYCoord); 6627 } 6628 if (synhw.capReportsMin) { 6629 printf(" minimumXCoord: %d\n", 6630 synhw.minimumXCoord); 6631 printf(" minimumYCoord: %d\n", 6632 synhw.minimumYCoord); 6633 } 6634 if (synhw.capClickPad) { 6635 printf(" Clickpad capabilities:\n"); 6636 printf(" forcePad: %d\n", 6637 synhw.forcePad); 6638 printf(" topButtonPad: %d\n", 6639 synhw.topButtonPad); 6640 } 6641 } 6642 buttons += synhw.capClickPad; 6643 } 6644 } 6645 6646 if (verbose >= 2) { 6647 if (synhw.capExtended) 6648 printf(" Additional Buttons: %d\n", buttons); 6649 else 6650 printf(" No extended capabilities\n"); 6651 } 6652 6653 /* 6654 * Add the default number of 3 buttons to the total 6655 * count of supported buttons reported above. 6656 */ 6657 buttons += 3; 6658 6659 /* 6660 * Read the mode byte. 6661 * 6662 * XXX: Note the Synaptics documentation also defines the first 6663 * byte of the response to this query to be a constant 0x3b, this 6664 * does not appear to be true for Touchpads with guest devices. 6665 */ 6666 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODES) == 0) 6667 return (FALSE); 6668 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6669 return (FALSE); 6670 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6671 printf(" Failed to read mode byte\n"); 6672 return (FALSE); 6673 } 6674 6675 if (arg == PROBE) 6676 sc->synhw = synhw; 6677 if (!synaptics_support) 6678 return (FALSE); 6679 6680 /* Set mouse type just now for synaptics_set_mode() */ 6681 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6682 6683 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6684 6685 if (trackpoint_support && synhw.capPassthrough) { 6686 enable_trackpoint(sc, arg); 6687 } 6688 6689 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6690 6691 if (arg == PROBE) { 6692 /* Create sysctl tree. */ 6693 synaptics_sysctl_create_tree(sc, "synaptics", 6694 "Synaptics TouchPad"); 6695 sc->hw.buttons = buttons; 6696 } 6697 6698 return (TRUE); 6699 } 6700 6701 static void 6702 synaptics_passthrough_on(struct psm_softc *sc) 6703 { 6704 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6705 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6706 } 6707 6708 static void 6709 synaptics_passthrough_off(struct psm_softc *sc) 6710 { 6711 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6712 set_mouse_scaling(sc->kbdc, 2); 6713 set_mouse_scaling(sc->kbdc, 1); 6714 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6715 } 6716 6717 /* IBM/Lenovo TrackPoint */ 6718 static int 6719 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6720 { 6721 const int seq[] = { 0xe2, cmd, loc, val }; 6722 int i; 6723 6724 if (sc->synhw.capPassthrough) 6725 synaptics_passthrough_on(sc); 6726 6727 for (i = 0; i < nitems(seq); i++) { 6728 if (sc->synhw.capPassthrough && 6729 (seq[i] == 0xff || seq[i] == 0xe7)) 6730 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6731 synaptics_passthrough_off(sc); 6732 return (EIO); 6733 } 6734 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6735 if (sc->synhw.capPassthrough) 6736 synaptics_passthrough_off(sc); 6737 return (EIO); 6738 } 6739 } 6740 6741 if (sc->synhw.capPassthrough) 6742 synaptics_passthrough_off(sc); 6743 6744 return (0); 6745 } 6746 6747 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6748 #define TPMASK 0 6749 #define TPLOC 1 6750 #define TPINFO 2 6751 6752 static int 6753 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6754 { 6755 static const int data[][3] = { 6756 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6757 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6758 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6759 { 0x00, 0x57, PSM_TPINFO(reach) }, 6760 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6761 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6762 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6763 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6764 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6765 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6766 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6767 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6768 }; 6769 struct psm_softc *sc; 6770 int error, newval, *oldvalp; 6771 const int *tp; 6772 6773 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6774 return (EINVAL); 6775 sc = arg1; 6776 tp = data[arg2]; 6777 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6778 newval = *oldvalp; 6779 error = sysctl_handle_int(oidp, &newval, 0, req); 6780 if (error != 0) 6781 return (error); 6782 if (newval == *oldvalp) 6783 return (0); 6784 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6785 return (EINVAL); 6786 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6787 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6788 if (error != 0) 6789 return (error); 6790 *oldvalp = newval; 6791 6792 return (0); 6793 } 6794 6795 static void 6796 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6797 { 6798 6799 if (sc->tpinfo.sysctl_tree != NULL) 6800 return; 6801 6802 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6803 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6804 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6805 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", 6806 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "IBM/Lenovo TrackPoint"); 6807 6808 /* hw.psm.trackpoint.sensitivity */ 6809 sc->tpinfo.sensitivity = 0x80; 6810 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6811 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6812 "sensitivity", 6813 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6814 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6815 trackpoint_sysctl, "I", 6816 "Sensitivity"); 6817 6818 /* hw.psm.trackpoint.negative_inertia */ 6819 sc->tpinfo.inertia = 0x06; 6820 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6821 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6822 "negative_inertia", 6823 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6824 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6825 trackpoint_sysctl, "I", 6826 "Negative inertia factor"); 6827 6828 /* hw.psm.trackpoint.upper_plateau */ 6829 sc->tpinfo.uplateau = 0x61; 6830 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6831 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6832 "upper_plateau", 6833 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6834 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6835 trackpoint_sysctl, "I", 6836 "Transfer function upper plateau speed"); 6837 6838 /* hw.psm.trackpoint.backup_range */ 6839 sc->tpinfo.reach = 0x0a; 6840 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6841 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6842 "backup_range", 6843 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6844 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6845 trackpoint_sysctl, "I", 6846 "Backup range"); 6847 6848 /* hw.psm.trackpoint.drag_hysteresis */ 6849 sc->tpinfo.draghys = 0xff; 6850 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6851 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6852 "drag_hysteresis", 6853 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6854 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6855 trackpoint_sysctl, "I", 6856 "Drag hysteresis"); 6857 6858 /* hw.psm.trackpoint.minimum_drag */ 6859 sc->tpinfo.mindrag = 0x14; 6860 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6861 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6862 "minimum_drag", 6863 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6864 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6865 trackpoint_sysctl, "I", 6866 "Minimum drag"); 6867 6868 /* hw.psm.trackpoint.up_threshold */ 6869 sc->tpinfo.upthresh = 0xff; 6870 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6871 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6872 "up_threshold", 6873 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6874 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6875 trackpoint_sysctl, "I", 6876 "Up threshold for release"); 6877 6878 /* hw.psm.trackpoint.threshold */ 6879 sc->tpinfo.threshold = 0x08; 6880 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6881 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6882 "threshold", 6883 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6884 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6885 trackpoint_sysctl, "I", 6886 "Threshold"); 6887 6888 /* hw.psm.trackpoint.jenks_curvature */ 6889 sc->tpinfo.jenks = 0x87; 6890 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6891 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6892 "jenks_curvature", 6893 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6894 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6895 trackpoint_sysctl, "I", 6896 "Jenks curvature"); 6897 6898 /* hw.psm.trackpoint.z_time */ 6899 sc->tpinfo.ztime = 0x26; 6900 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6901 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6902 "z_time", 6903 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6904 sc, TRACKPOINT_SYSCTL_Z_TIME, 6905 trackpoint_sysctl, "I", 6906 "Z time constant"); 6907 6908 /* hw.psm.trackpoint.press_to_select */ 6909 sc->tpinfo.pts = 0x00; 6910 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6911 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6912 "press_to_select", 6913 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6914 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6915 trackpoint_sysctl, "I", 6916 "Press to Select"); 6917 6918 /* hw.psm.trackpoint.skip_backups */ 6919 sc->tpinfo.skipback = 0x00; 6920 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6921 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6922 "skip_backups", 6923 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6924 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6925 trackpoint_sysctl, "I", 6926 "Skip backups from drags"); 6927 } 6928 6929 static void 6930 set_trackpoint_parameters(struct psm_softc *sc) 6931 { 6932 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6933 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6934 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6935 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6936 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6937 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6938 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6939 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6940 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6941 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6942 if (sc->tpinfo.pts == 0x01) 6943 trackpoint_command(sc, 0x47, 0x2c, 0x01); 6944 if (sc->tpinfo.skipback == 0x01) 6945 trackpoint_command(sc, 0x47, 0x2d, 0x08); 6946 } 6947 6948 static int 6949 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 6950 { 6951 KBDC kbdc = sc->kbdc; 6952 int id; 6953 6954 /* 6955 * If called from enable_synaptics(), make sure that passthrough 6956 * mode is enabled so we can reach the trackpoint. 6957 * However, passthrough mode must be disabled before setting the 6958 * trackpoint parameters, as rackpoint_command() enables and disables 6959 * passthrough mode on its own. 6960 */ 6961 if (sc->synhw.capPassthrough) 6962 synaptics_passthrough_on(sc); 6963 6964 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 6965 read_aux_data(kbdc) != 0x01) 6966 goto no_trackpoint; 6967 id = read_aux_data(kbdc); 6968 if (id < 0x01) 6969 goto no_trackpoint; 6970 if (arg == PROBE) 6971 sc->tphw = id; 6972 if (!trackpoint_support) 6973 goto no_trackpoint; 6974 6975 if (sc->synhw.capPassthrough) 6976 synaptics_passthrough_off(sc); 6977 6978 if (arg == PROBE) { 6979 trackpoint_sysctl_create_tree(sc); 6980 /* 6981 * Don't overwrite hwid and buttons when we are 6982 * a guest device. 6983 */ 6984 if (!sc->synhw.capPassthrough) { 6985 sc->hw.hwid = id; 6986 sc->hw.buttons = 3; 6987 } 6988 } 6989 6990 set_trackpoint_parameters(sc); 6991 6992 return (TRUE); 6993 6994 no_trackpoint: 6995 if (sc->synhw.capPassthrough) 6996 synaptics_passthrough_off(sc); 6997 6998 return (FALSE); 6999 } 7000 7001 /* Interlink electronics VersaPad */ 7002 static int 7003 enable_versapad(struct psm_softc *sc, enum probearg arg) 7004 { 7005 KBDC kbdc = sc->kbdc; 7006 int data[3]; 7007 7008 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 7009 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 7010 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7011 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7012 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7013 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7014 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 7015 return (FALSE); 7016 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 7017 return (FALSE); 7018 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7019 7020 return (TRUE); /* PS/2 absolute mode */ 7021 } 7022 7023 /* Elantech Touchpad */ 7024 static int 7025 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 7026 { 7027 int res, readcmd, retidx; 7028 int resp[3]; 7029 7030 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 7031 retidx = hwversion == 4 ? 1 : 0; 7032 7033 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7034 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 7035 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7036 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7037 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7038 7039 if (res == 0) 7040 *val = resp[retidx]; 7041 7042 return (res); 7043 } 7044 7045 static int 7046 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 7047 { 7048 int res, writecmd; 7049 7050 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 7051 7052 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7053 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7054 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7055 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7056 if (hwversion == 4) { 7057 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7058 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7059 } 7060 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7061 res |= send_aux_command(kbdc, val) != PSM_ACK; 7062 res |= set_mouse_scaling(kbdc, 1) == 0; 7063 7064 return (res); 7065 } 7066 7067 static int 7068 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 7069 { 7070 int res; 7071 7072 if (hwversion == 2) { 7073 res = set_mouse_scaling(kbdc, 1) == 0; 7074 res |= mouse_ext_command(kbdc, cmd) == 0; 7075 } else { 7076 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7077 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 7078 } 7079 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7080 7081 return (res); 7082 } 7083 7084 static int 7085 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 7086 { 7087 int i, val, res, hwversion, reg10; 7088 7089 /* set absolute mode */ 7090 hwversion = elanhw->hwversion; 7091 reg10 = -1; 7092 switch (hwversion) { 7093 case 2: 7094 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 7095 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7096 if (res) 7097 break; 7098 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 7099 break; 7100 case 3: 7101 reg10 = 0x0b; 7102 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7103 break; 7104 case 4: 7105 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 7106 break; 7107 default: 7108 res = 1; 7109 } 7110 7111 /* Read back reg 0x10 to ensure hardware is ready. */ 7112 if (res == 0 && reg10 >= 0) { 7113 for (i = 0; i < 5; i++) { 7114 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 7115 break; 7116 DELAY(2000); 7117 } 7118 if (i == 5) 7119 res = 1; 7120 } 7121 7122 if (res) 7123 printf("couldn't set absolute mode\n"); 7124 7125 return (res); 7126 } 7127 7128 static void 7129 elantech_init_synaptics(struct psm_softc *sc) 7130 { 7131 7132 /* Set capabilites required by movement smother */ 7133 sc->synhw.infoMajor = sc->elanhw.hwversion; 7134 sc->synhw.infoMinor = sc->elanhw.fwversion; 7135 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 7136 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 7137 sc->synhw.verticalScroll = 0; 7138 sc->synhw.nExtendedQueries = 4; 7139 sc->synhw.capExtended = 1; 7140 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 7141 sc->synhw.capClickPad = sc->elanhw.isclickpad; 7142 sc->synhw.capMultiFinger = 1; 7143 if (sc->elanhw.issemimt) 7144 sc->synhw.capAdvancedGestures = 1; 7145 else 7146 sc->synhw.capReportsV = 1; 7147 sc->synhw.capPalmDetect = 1; 7148 sc->synhw.capPen = 0; 7149 sc->synhw.capReportsMax = 1; 7150 sc->synhw.maximumXCoord = sc->elanhw.sizex; 7151 sc->synhw.maximumYCoord = sc->elanhw.sizey; 7152 sc->synhw.capReportsMin = 1; 7153 sc->synhw.minimumXCoord = 0; 7154 sc->synhw.minimumYCoord = 0; 7155 7156 if (sc->syninfo.sysctl_tree == NULL) { 7157 synaptics_sysctl_create_tree(sc, "elantech", 7158 "Elantech Touchpad"); 7159 7160 /* 7161 * Adjust synaptic smoother tunables 7162 * 1. Disable finger detection pressure threshold. Unlike 7163 * synaptics we assume the finger is acting when packet with 7164 * its X&Y arrives not when pressure exceedes some threshold 7165 * 2. Disable unrelated features like margins and noisy areas 7166 * 3. Disable virtual scroll areas as 2nd finger is preferable 7167 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 7168 * softbuttons 7169 * 5. Scale down divisors and movement lengths by a factor of 3 7170 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 7171 */ 7172 7173 /* Set reporting range to be equal touchpad size */ 7174 sc->syninfo.max_x = sc->elanhw.sizex; 7175 sc->syninfo.max_y = sc->elanhw.sizey; 7176 7177 /* Disable finger detection pressure threshold */ 7178 sc->syninfo.min_pressure = 1; 7179 7180 /* Adjust palm width to nearly match synaptics w=10 */ 7181 sc->syninfo.max_width = 7; 7182 7183 /* Elans often report double & triple taps as single event */ 7184 sc->syninfo.tap_min_queue = 1; 7185 7186 /* Use full area of touchpad */ 7187 sc->syninfo.margin_top = 0; 7188 sc->syninfo.margin_right = 0; 7189 sc->syninfo.margin_bottom = 0; 7190 sc->syninfo.margin_left = 0; 7191 7192 /* Disable noisy area */ 7193 sc->syninfo.na_top = 0; 7194 sc->syninfo.na_right = 0; 7195 sc->syninfo.na_bottom = 0; 7196 sc->syninfo.na_left = 0; 7197 7198 /* Tune divisors and movement lengths */ 7199 sc->syninfo.weight_len_squared = 200; 7200 sc->syninfo.div_min = 3; 7201 sc->syninfo.div_max = 6; 7202 sc->syninfo.div_max_na = 10; 7203 sc->syninfo.div_len = 30; 7204 sc->syninfo.tap_max_delta = 25; 7205 7206 /* Disable virtual scrolling areas and tune its divisors */ 7207 sc->syninfo.vscroll_hor_area = 0; 7208 sc->syninfo.vscroll_ver_area = 0; 7209 sc->syninfo.vscroll_min_delta = 15; 7210 sc->syninfo.vscroll_div_min = 30; 7211 sc->syninfo.vscroll_div_max = 50; 7212 7213 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 7214 if (sc->elanhw.isclickpad) { 7215 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 7216 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 7217 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 7218 } 7219 } 7220 7221 return; 7222 } 7223 7224 static int 7225 enable_elantech(struct psm_softc *sc, enum probearg arg) 7226 { 7227 static const int ic2hw[] = 7228 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 7229 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }; 7230 static const int fw_sizes[][3] = { 7231 /* FW.vers MaxX MaxY */ 7232 { 0x020030, 1152, 768 }, 7233 { 0x020800, 1152, 768 }, 7234 { 0x020b00, 1152, 768 }, 7235 { 0x040215, 900, 500 }, 7236 { 0x040216, 819, 405 }, 7237 { 0x040219, 900, 500 }, 7238 }; 7239 elantechhw_t elanhw; 7240 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 7241 KBDC kbdc = sc->kbdc; 7242 7243 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 7244 7245 set_mouse_scaling(kbdc, 1); 7246 set_mouse_scaling(kbdc, 1); 7247 set_mouse_scaling(kbdc, 1); 7248 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 7249 return (FALSE); 7250 7251 if (!ELANTECH_MAGIC(resp)) 7252 return (FALSE); 7253 7254 /* Identify the Touchpad version. */ 7255 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 7256 return (FALSE); 7257 7258 bzero(&elanhw, sizeof(elanhw)); 7259 7260 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 7261 icversion = resp[0] & 0x0f; 7262 hwversion = ic2hw[icversion]; 7263 7264 if (verbose >= 2) 7265 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 7266 hwversion, elanhw.fwversion); 7267 7268 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 7269 printf (" Unsupported touchpad hardware (v1)\n"); 7270 return (FALSE); 7271 } 7272 if (hwversion == 0) { 7273 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 7274 elanhw.fwversion); 7275 return (FALSE); 7276 } 7277 7278 /* Get the Touchpad model information. */ 7279 elanhw.hwversion = hwversion; 7280 elanhw.issemimt = hwversion == 2; 7281 elanhw.isclickpad = (resp[1] & 0x10) != 0; 7282 elanhw.hascrc = (resp[1] & 0x40) != 0; 7283 elanhw.haspressure = elanhw.fwversion >= 0x020800; 7284 7285 /* Read the capability bits. */ 7286 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 7287 printf(" Failed to read capability bits\n"); 7288 return (FALSE); 7289 } 7290 7291 elanhw.ntracesx = imax(resp[1], 3); 7292 elanhw.ntracesy = imax(resp[2], 3); 7293 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 7294 7295 /* Get the touchpad resolution */ 7296 switch (hwversion) { 7297 case 4: 7298 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 7299 == 0) { 7300 dpix = (resp[1] & 0x0f) * 10 + 790; 7301 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 7302 elanhw.dpmmx = (dpix * 10 + 5) / 254; 7303 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 7304 break; 7305 } 7306 /* FALLTHROUGH */ 7307 case 2: 7308 case 3: 7309 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 7310 break; 7311 } 7312 7313 if (!elantech_support) 7314 return (FALSE); 7315 7316 if (elantech_init(kbdc, &elanhw)) { 7317 printf("couldn't initialize elantech touchpad\n"); 7318 return (FALSE); 7319 } 7320 7321 /* 7322 * Get the touchpad reporting range. 7323 * On HW v.3 touchpads it should be done after switching hardware 7324 * to real resolution mode (by setting bit 3 of reg10) 7325 */ 7326 elanhw.dptracex = elanhw.dptracey = 64; 7327 for (i = 0; i < nitems(fw_sizes); i++) { 7328 if (elanhw.fwversion == fw_sizes[i][0]) { 7329 elanhw.sizex = fw_sizes[i][1]; 7330 elanhw.sizey = fw_sizes[i][2]; 7331 goto found; 7332 } 7333 } 7334 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 7335 printf(" Failed to read touchpad size\n"); 7336 elanhw.sizex = 10000; /* Arbitrary high values to */ 7337 elanhw.sizey = 10000; /* prevent clipping in smoother */ 7338 } else if (hwversion == 2) { 7339 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 7340 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 7341 elanhw.dptracex = resp[1] / 2; 7342 elanhw.dptracey = resp[2] / 2; 7343 } 7344 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 7345 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 7346 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 7347 } else { 7348 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 7349 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 7350 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 7351 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 7352 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 7353 } 7354 found: 7355 if (verbose >= 2) { 7356 printf(" Model information:\n"); 7357 printf(" MaxX: %d\n", elanhw.sizex); 7358 printf(" MaxY: %d\n", elanhw.sizey); 7359 printf(" DpmmX: %d\n", elanhw.dpmmx); 7360 printf(" DpmmY: %d\n", elanhw.dpmmy); 7361 printf(" TracesX: %d\n", elanhw.ntracesx); 7362 printf(" TracesY: %d\n", elanhw.ntracesy); 7363 printf(" DptraceX: %d\n", elanhw.dptracex); 7364 printf(" DptraceY: %d\n", elanhw.dptracey); 7365 printf(" SemiMT: %d\n", elanhw.issemimt); 7366 printf(" Clickpad: %d\n", elanhw.isclickpad); 7367 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 7368 printf(" CRC: %d\n", elanhw.hascrc); 7369 printf(" Pressure: %d\n", elanhw.haspressure); 7370 } 7371 7372 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 7373 7374 if (arg == PROBE) { 7375 sc->elanhw = elanhw; 7376 sc->hw.buttons = 3; 7377 7378 /* Initialize synaptics movement smoother */ 7379 elantech_init_synaptics(sc); 7380 7381 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 7382 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 7383 } 7384 7385 return (TRUE); 7386 } 7387 7388 /* 7389 * Return true if 'now' is earlier than (start + (secs.usecs)). 7390 * Now may be NULL and the function will fetch the current time from 7391 * getmicrouptime(), or a cached 'now' can be passed in. 7392 * All values should be numbers derived from getmicrouptime(). 7393 */ 7394 static int 7395 timeelapsed(start, secs, usecs, now) 7396 const struct timeval *start, *now; 7397 int secs, usecs; 7398 { 7399 struct timeval snow, tv; 7400 7401 /* if there is no 'now' passed in, the get it as a convience. */ 7402 if (now == NULL) { 7403 getmicrouptime(&snow); 7404 now = &snow; 7405 } 7406 7407 tv.tv_sec = secs; 7408 tv.tv_usec = usecs; 7409 timevaladd(&tv, start); 7410 return (timevalcmp(&tv, now, <)); 7411 } 7412 7413 static int 7414 psmresume(device_t dev) 7415 { 7416 struct psm_softc *sc = device_get_softc(dev); 7417 int err; 7418 7419 VDLOG(2, dev, LOG_NOTICE, "system resume hook called.\n"); 7420 7421 if ((sc->config & 7422 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 7423 return (0); 7424 7425 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 7426 7427 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 7428 /* 7429 * Release the blocked process; it must be notified that 7430 * the device cannot be accessed anymore. 7431 */ 7432 sc->state &= ~PSM_ASLP; 7433 wakeup(sc); 7434 } 7435 7436 VDLOG(2, dev, LOG_DEBUG, "system resume hook exiting.\n"); 7437 7438 return (err); 7439 } 7440 7441 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 7442 #ifdef EVDEV_SUPPORT 7443 MODULE_DEPEND(psm, evdev, 1, 1, 1); 7444 #endif 7445 7446 #ifdef DEV_ISA 7447 7448 /* 7449 * This sucks up assignments from PNPBIOS and ACPI. 7450 */ 7451 7452 /* 7453 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 7454 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 7455 * can be probed and attached only after the AT keyboard controller is 7456 * attached, we shall quietly reserve the IRQ resource for later use. 7457 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 7458 * copy the IRQ resource to the PS/2 mouse device instance hanging 7459 * under the keyboard controller, then probe and attach it. 7460 */ 7461 7462 static devclass_t psmcpnp_devclass; 7463 7464 static device_probe_t psmcpnp_probe; 7465 static device_attach_t psmcpnp_attach; 7466 7467 static device_method_t psmcpnp_methods[] = { 7468 DEVMETHOD(device_probe, psmcpnp_probe), 7469 DEVMETHOD(device_attach, psmcpnp_attach), 7470 { 0, 0 } 7471 }; 7472 7473 static driver_t psmcpnp_driver = { 7474 PSMCPNP_DRIVER_NAME, 7475 psmcpnp_methods, 7476 sizeof(struct psmcpnp_softc), 7477 }; 7478 7479 static struct isa_pnp_id psmcpnp_ids[] = { 7480 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7481 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7482 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7483 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7484 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7485 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7486 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7487 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7488 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7489 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7490 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7491 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7492 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7493 { 0 } 7494 }; 7495 7496 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7497 static struct isa_pnp_id topbtpad_ids[] = { 7498 { 0x1700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0017, ThinkPad */ 7499 { 0x1800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0018, ThinkPad */ 7500 { 0x1900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0019, ThinkPad */ 7501 { 0x2300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0023, ThinkPad */ 7502 { 0x2a00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002a, ThinkPad */ 7503 { 0x2b00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002b, ThinkPad */ 7504 { 0x2c00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002c, ThinkPad */ 7505 { 0x2d00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002d, ThinkPad */ 7506 { 0x2e00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002e, ThinkPad */ 7507 { 0x3300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0033, ThinkPad */ 7508 { 0x3400ae30, "Lenovo PS/2 clickpad port" }, /* LEN0034, ThinkPad */ 7509 { 0x3500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0035, ThinkPad */ 7510 { 0x3600ae30, "Lenovo PS/2 clickpad port" }, /* LEN0036, ThinkPad */ 7511 { 0x3700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0037, ThinkPad */ 7512 { 0x3800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0038, ThinkPad */ 7513 { 0x3900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0039, ThinkPad */ 7514 { 0x4100ae30, "Lenovo PS/2 clickpad port" }, /* LEN0041, ThinkPad */ 7515 { 0x4200ae30, "Lenovo PS/2 clickpad port" }, /* LEN0042, ThinkPad */ 7516 { 0x4500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0045, ThinkPad */ 7517 { 0x4700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0047, ThinkPad */ 7518 { 0x4900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0049, ThinkPad */ 7519 { 0x0020ae30, "Lenovo PS/2 clickpad port" }, /* LEN2000, ThinkPad */ 7520 { 0x0120ae30, "Lenovo PS/2 clickpad port" }, /* LEN2001, ThinkPad */ 7521 { 0x0220ae30, "Lenovo PS/2 clickpad port" }, /* LEN2002, ThinkPad */ 7522 { 0x0320ae30, "Lenovo PS/2 clickpad port" }, /* LEN2003, ThinkPad */ 7523 { 0x0420ae30, "Lenovo PS/2 clickpad port" }, /* LEN2004, ThinkPad */ 7524 { 0x0520ae30, "Lenovo PS/2 clickpad port" }, /* LEN2005, ThinkPad */ 7525 { 0x0620ae30, "Lenovo PS/2 clickpad port" }, /* LEN2006, ThinkPad */ 7526 { 0x0720ae30, "Lenovo PS/2 clickpad port" }, /* LEN2007, ThinkPad */ 7527 { 0x0820ae30, "Lenovo PS/2 clickpad port" }, /* LEN2008, ThinkPad */ 7528 { 0x0920ae30, "Lenovo PS/2 clickpad port" }, /* LEN2009, ThinkPad */ 7529 { 0x0a20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200a, ThinkPad */ 7530 { 0x0b20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200b, ThinkPad */ 7531 { 0 } 7532 }; 7533 7534 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7535 static struct isa_pnp_id forcepad_ids[] = { 7536 { 0x0d302e4f, "HP PS/2 forcepad port" }, /* SYN300D, EB 1040 */ 7537 { 0x14302e4f, "HP PS/2 forcepad port" }, /* SYN3014, EB 1040 */ 7538 { 0 } 7539 }; 7540 7541 static int 7542 create_a_copy(device_t atkbdc, device_t me) 7543 { 7544 device_t psm; 7545 u_long irq; 7546 7547 /* find the PS/2 mouse device instance under the keyboard controller */ 7548 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7549 device_get_unit(atkbdc)); 7550 if (psm == NULL) 7551 return (ENXIO); 7552 if (device_get_state(psm) != DS_NOTPRESENT) 7553 return (0); 7554 7555 /* move our resource to the found device */ 7556 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7557 bus_delete_resource(me, SYS_RES_IRQ, 0); 7558 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7559 7560 /* ...then probe and attach it */ 7561 return (device_probe_and_attach(psm)); 7562 } 7563 7564 static int 7565 psmcpnp_probe(device_t dev) 7566 { 7567 struct psmcpnp_softc *sc = device_get_softc(dev); 7568 struct resource *res; 7569 u_long irq; 7570 int rid; 7571 7572 if (ISA_PNP_PROBE(device_get_parent(dev), dev, forcepad_ids) == 0) 7573 sc->type = PSMCPNP_FORCEPAD; 7574 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, topbtpad_ids) == 0) 7575 sc->type = PSMCPNP_TOPBUTTONPAD; 7576 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids) == 0) 7577 sc->type = PSMCPNP_GENERIC; 7578 else 7579 return (ENXIO); 7580 7581 /* 7582 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7583 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7584 * declares the PS/2 mouse device node without an IRQ resource! 7585 * If this happens, we shall refer to device hints. 7586 * If we still don't find it there, use a hardcoded value... XXX 7587 */ 7588 rid = 0; 7589 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7590 if (irq <= 0) { 7591 if (resource_long_value(PSM_DRIVER_NAME, 7592 device_get_unit(dev),"irq", &irq) != 0) 7593 irq = 12; /* XXX */ 7594 device_printf(dev, "irq resource info is missing; " 7595 "assuming irq %ld\n", irq); 7596 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7597 } 7598 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7599 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7600 7601 /* keep quiet */ 7602 if (!bootverbose) 7603 device_quiet(dev); 7604 7605 return ((res == NULL) ? ENXIO : 0); 7606 } 7607 7608 static int 7609 psmcpnp_attach(device_t dev) 7610 { 7611 device_t atkbdc; 7612 7613 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7614 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7615 device_get_unit(dev)); 7616 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7617 create_a_copy(atkbdc, dev); 7618 7619 return (0); 7620 } 7621 7622 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7623 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7624 ISA_PNP_INFO(psmcpnp_ids); 7625 #endif /* DEV_ISA */ 7626