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) 119 120 #ifndef PSM_INPUT_TIMEOUT 121 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 122 #endif 123 124 #ifndef PSM_TAP_TIMEOUT 125 #define PSM_TAP_TIMEOUT 125000 126 #endif 127 128 #ifndef PSM_TAP_THRESHOLD 129 #define PSM_TAP_THRESHOLD 25 130 #endif 131 132 /* end of driver specific options */ 133 134 #define PSMCPNP_DRIVER_NAME "psmcpnp" 135 136 struct psmcpnp_softc { 137 enum { 138 PSMCPNP_GENERIC, 139 PSMCPNP_FORCEPAD, 140 PSMCPNP_TOPBUTTONPAD, 141 } type; /* Based on PnP ID */ 142 }; 143 144 /* input queue */ 145 #define PSM_BUFSIZE 960 146 #define PSM_SMALLBUFSIZE 240 147 148 /* operation levels */ 149 #define PSM_LEVEL_BASE 0 150 #define PSM_LEVEL_STANDARD 1 151 #define PSM_LEVEL_NATIVE 2 152 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 153 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 154 155 /* Active PS/2 multiplexing */ 156 #define PSM_NOMUX (-1) 157 158 /* Logitech PS2++ protocol */ 159 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 160 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 161 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 162 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 163 164 /* ring buffer */ 165 typedef struct ringbuf { 166 int count; /* # of valid elements in the buffer */ 167 int head; /* head pointer */ 168 int tail; /* tail poiner */ 169 u_char buf[PSM_BUFSIZE]; 170 } ringbuf_t; 171 172 /* data buffer */ 173 typedef struct packetbuf { 174 u_char ipacket[16]; /* interim input buffer */ 175 int inputbytes; /* # of bytes in the input buffer */ 176 } packetbuf_t; 177 178 #ifndef PSM_PACKETQUEUE 179 #define PSM_PACKETQUEUE 128 180 #endif 181 182 /* 183 * Synaptics command definitions. 184 */ 185 #define SYNAPTICS_READ_IDENTITY 0x00 186 #define SYNAPTICS_READ_MODES 0x01 187 #define SYNAPTICS_READ_CAPABILITIES 0x02 188 #define SYNAPTICS_READ_MODEL_ID 0x03 189 #define SYNAPTICS_READ_SERIAL_PREFIX 0x06 190 #define SYNAPTICS_READ_SERIAL_SUFFIX 0x07 191 #define SYNAPTICS_READ_RESOLUTIONS 0x08 192 #define SYNAPTICS_READ_EXTENDED 0x09 193 #define SYNAPTICS_READ_CAPABILITIES_CONT 0x0c 194 #define SYNAPTICS_READ_MAX_COORDS 0x0d 195 #define SYNAPTICS_READ_DELUXE_LED 0x0e 196 #define SYNAPTICS_READ_MIN_COORDS 0x0f 197 198 typedef struct synapticsinfo { 199 struct sysctl_ctx_list sysctl_ctx; 200 struct sysctl_oid *sysctl_tree; 201 int directional_scrolls; 202 int two_finger_scroll; 203 int min_pressure; 204 int max_pressure; 205 int max_width; 206 int margin_top; 207 int margin_right; 208 int margin_bottom; 209 int margin_left; 210 int na_top; 211 int na_right; 212 int na_bottom; 213 int na_left; 214 int window_min; 215 int window_max; 216 int multiplicator; 217 int weight_current; 218 int weight_previous; 219 int weight_previous_na; 220 int weight_len_squared; 221 int div_min; 222 int div_max; 223 int div_max_na; 224 int div_len; 225 int tap_max_delta; 226 int tap_min_queue; 227 int taphold_timeout; 228 int vscroll_ver_area; 229 int vscroll_hor_area; 230 int vscroll_min_delta; 231 int vscroll_div_min; 232 int vscroll_div_max; 233 int touchpad_off; 234 int softbuttons_y; 235 int softbutton2_x; 236 int softbutton3_x; 237 int max_x; 238 int max_y; 239 int three_finger_drag; 240 int natural_scroll; 241 } synapticsinfo_t; 242 243 typedef struct synapticspacket { 244 int x; 245 int y; 246 } synapticspacket_t; 247 248 #define SYNAPTICS_PACKETQUEUE 10 249 #define SYNAPTICS_QUEUE_CURSOR(x) \ 250 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 251 252 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 253 ((synhw).infoMajor > (major) || \ 254 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 255 256 typedef struct smoother { 257 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 258 int queue_len; 259 int queue_cursor; 260 int start_x; 261 int start_y; 262 int avg_dx; 263 int avg_dy; 264 int squelch_x; 265 int squelch_y; 266 int is_fuzzy; 267 int active; 268 } smoother_t; 269 270 typedef struct gesture { 271 int window_min; 272 int fingers_nb; 273 int tap_button; 274 int in_taphold; 275 int in_vscroll; 276 int zmax; /* maximum pressure value */ 277 struct timeval taptimeout; /* tap timeout for touchpads */ 278 } gesture_t; 279 280 enum { 281 TRACKPOINT_SYSCTL_SENSITIVITY, 282 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 283 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 284 TRACKPOINT_SYSCTL_BACKUP_RANGE, 285 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 286 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 287 TRACKPOINT_SYSCTL_UP_THRESHOLD, 288 TRACKPOINT_SYSCTL_THRESHOLD, 289 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 290 TRACKPOINT_SYSCTL_Z_TIME, 291 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 292 TRACKPOINT_SYSCTL_SKIP_BACKUPS 293 }; 294 295 typedef struct trackpointinfo { 296 struct sysctl_ctx_list sysctl_ctx; 297 struct sysctl_oid *sysctl_tree; 298 int sensitivity; 299 int inertia; 300 int uplateau; 301 int reach; 302 int draghys; 303 int mindrag; 304 int upthresh; 305 int threshold; 306 int jenks; 307 int ztime; 308 int pts; 309 int skipback; 310 } trackpointinfo_t; 311 312 typedef struct finger { 313 int x; 314 int y; 315 int p; 316 int w; 317 int flags; 318 } finger_t; 319 #define PSM_FINGERS 2 /* # of processed fingers */ 320 #define PSM_FINGER_IS_PEN (1<<0) 321 #define PSM_FINGER_FUZZY (1<<1) 322 #define PSM_FINGER_DEFAULT_P tap_threshold 323 #define PSM_FINGER_DEFAULT_W 1 324 #define PSM_FINGER_IS_SET(f) ((f).x != -1 && (f).y != -1 && (f).p != 0) 325 #define PSM_FINGER_RESET(f) do { \ 326 (f) = (finger_t) { .x = -1, .y = -1, .p = 0, .w = 0, .flags = 0 }; \ 327 } while (0) 328 329 typedef struct elantechhw { 330 int hwversion; 331 int fwversion; 332 int sizex; 333 int sizey; 334 int dpmmx; 335 int dpmmy; 336 int ntracesx; 337 int ntracesy; 338 int dptracex; 339 int dptracey; 340 int issemimt; 341 int isclickpad; 342 int hascrc; 343 int hastrackpoint; 344 int haspressure; 345 } elantechhw_t; 346 347 /* minimum versions supported by this driver */ 348 #define ELANTECH_HW_IS_V1(fwver) ((fwver) < 0x020030 || (fwver) == 0x020600) 349 350 #define ELANTECH_MAGIC(magic) \ 351 ((magic)[0] == 0x3c && (magic)[1] == 0x03 && \ 352 ((magic)[2] == 0xc8 || (magic)[2] == 0x00)) 353 354 #define ELANTECH_FW_ID 0x00 355 #define ELANTECH_FW_VERSION 0x01 356 #define ELANTECH_CAPABILITIES 0x02 357 #define ELANTECH_SAMPLE 0x03 358 #define ELANTECH_RESOLUTION 0x04 359 #define ELANTECH_REG_READ 0x10 360 #define ELANTECH_REG_WRITE 0x11 361 #define ELANTECH_REG_RDWR 0x00 362 #define ELANTECH_CUSTOM_CMD 0xf8 363 364 #ifdef EVDEV_SUPPORT 365 #define ELANTECH_MAX_FINGERS 5 366 #else 367 #define ELANTECH_MAX_FINGERS PSM_FINGERS 368 #endif 369 370 #define ELANTECH_FINGER_MAX_P 255 371 #define ELANTECH_FINGER_MAX_W 15 372 #define ELANTECH_FINGER_SET_XYP(pb) (finger_t) { \ 373 .x = (((pb)->ipacket[1] & 0x0f) << 8) | (pb)->ipacket[2], \ 374 .y = (((pb)->ipacket[4] & 0x0f) << 8) | (pb)->ipacket[5], \ 375 .p = ((pb)->ipacket[1] & 0xf0) | (((pb)->ipacket[4] >> 4) & 0x0f), \ 376 .w = PSM_FINGER_DEFAULT_W, \ 377 .flags = 0 \ 378 } 379 380 enum { 381 ELANTECH_PKT_NOP, 382 ELANTECH_PKT_TRACKPOINT, 383 ELANTECH_PKT_V2_COMMON, 384 ELANTECH_PKT_V2_2FINGER, 385 ELANTECH_PKT_V3, 386 ELANTECH_PKT_V4_STATUS, 387 ELANTECH_PKT_V4_HEAD, 388 ELANTECH_PKT_V4_MOTION 389 }; 390 391 #define ELANTECH_PKT_IS_TRACKPOINT(pb) (((pb)->ipacket[3] & 0x0f) == 0x06) 392 #define ELANTECH_PKT_IS_DEBOUNCE(pb, hwversion) ((hwversion) == 4 ? 0 : \ 393 (pb)->ipacket[0] == ((hwversion) == 2 ? 0x84 : 0xc4) && \ 394 (pb)->ipacket[1] == 0xff && (pb)->ipacket[2] == 0xff && \ 395 (pb)->ipacket[3] == 0x02 && (pb)->ipacket[4] == 0xff && \ 396 (pb)->ipacket[5] == 0xff) 397 #define ELANTECH_PKT_IS_V2(pb) \ 398 (((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x0f) == 0x02) 399 #define ELANTECH_PKT_IS_V3_HEAD(pb, hascrc) ((hascrc) ? \ 400 ((pb)->ipacket[3] & 0x09) == 0x08 : \ 401 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0xcf) == 0x02) 402 #define ELANTECH_PKT_IS_V3_TAIL(pb, hascrc) ((hascrc) ? \ 403 ((pb)->ipacket[3] & 0x09) == 0x09 : \ 404 ((pb)->ipacket[0] & 0x0c) == 0x0c && ((pb)->ipacket[3] & 0xce) == 0x0c) 405 #define ELANTECH_PKT_IS_V4(pb, hascrc) ((hascrc) ? \ 406 ((pb)->ipacket[3] & 0x08) == 0x00 : \ 407 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x1c) == 0x10) 408 409 typedef struct elantechaction { 410 finger_t fingers[ELANTECH_MAX_FINGERS]; 411 int mask; 412 int mask_v4wait; 413 } elantechaction_t; 414 415 /* driver control block */ 416 struct psm_softc { /* Driver status information */ 417 int unit; 418 struct selinfo rsel; /* Process selecting for Input */ 419 u_char state; /* Mouse driver state */ 420 int config; /* driver configuration flags */ 421 int flags; /* other flags */ 422 KBDC kbdc; /* handle to access kbd controller */ 423 struct resource *intr; /* IRQ resource */ 424 void *ih; /* interrupt handle */ 425 mousehw_t hw; /* hardware information */ 426 synapticshw_t synhw; /* Synaptics hardware information */ 427 synapticsinfo_t syninfo; /* Synaptics configuration */ 428 smoother_t smoother[PSM_FINGERS]; /* Motion smoothing */ 429 gesture_t gesture; /* Gesture context */ 430 elantechhw_t elanhw; /* Elantech hardware information */ 431 elantechaction_t elanaction; /* Elantech action context */ 432 int tphw; /* TrackPoint hardware information */ 433 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 434 mousemode_t mode; /* operation mode */ 435 mousemode_t dflt_mode; /* default operation mode */ 436 mousestatus_t status; /* accumulated mouse movement */ 437 ringbuf_t queue; /* mouse status queue */ 438 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 439 int pqueue_start; /* start of data in queue */ 440 int pqueue_end; /* end of data in queue */ 441 int button; /* the latest button state */ 442 int xold; /* previous absolute X position */ 443 int yold; /* previous absolute Y position */ 444 int xaverage; /* average X position */ 445 int yaverage; /* average Y position */ 446 int squelch; /* level to filter movement at low speed */ 447 int syncerrors; /* # of bytes discarded to synchronize */ 448 int pkterrors; /* # of packets failed during quaranteen. */ 449 int fpcount; /* forcePad valid packet counter */ 450 struct timeval inputtimeout; 451 struct timeval lastsoftintr; /* time of last soft interrupt */ 452 struct timeval lastinputerr; /* time last sync error happened */ 453 struct timeval idletimeout; 454 packetbuf_t idlepacket; /* packet to send after idle timeout */ 455 int watchdog; /* watchdog timer flag */ 456 struct callout callout; /* watchdog timer call out */ 457 struct callout softcallout; /* buffer timer call out */ 458 struct cdev *dev; 459 struct cdev *bdev; 460 int lasterr; 461 int cmdcount; 462 struct sigio *async; /* Processes waiting for SIGIO */ 463 int extended_buttons; 464 int muxport; /* MUX port with attached Synaptics */ 465 u_char muxsave[3]; /* 3->6 byte proto conversion buffer */ 466 int muxtpbuttons; /* Touchpad button state */ 467 int muxmsbuttons; /* Mouse (trackpoint) button state */ 468 struct timeval muxmidtimeout; /* middle button supression timeout */ 469 #ifdef EVDEV_SUPPORT 470 struct evdev_dev *evdev_a; /* Absolute reporting device */ 471 struct evdev_dev *evdev_r; /* Relative reporting device */ 472 #endif 473 }; 474 static devclass_t psm_devclass; 475 476 /* driver state flags (state) */ 477 #define PSM_VALID 0x80 478 #define PSM_OPEN 1 /* Device is open */ 479 #define PSM_ASLP 2 /* Waiting for mouse data */ 480 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 481 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 482 #define PSM_EV_OPEN_R 0x10 /* Relative evdev device is open */ 483 #define PSM_EV_OPEN_A 0x20 /* Absolute evdev device is open */ 484 485 /* driver configuration flags (config) */ 486 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 487 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 488 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 489 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 490 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 491 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 492 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 493 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 494 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 495 496 #define PSM_CONFIG_FLAGS \ 497 (PSM_CONFIG_RESOLUTION | \ 498 PSM_CONFIG_ACCEL | \ 499 PSM_CONFIG_NOCHECKSYNC | \ 500 PSM_CONFIG_NOIDPROBE | \ 501 PSM_CONFIG_NORESET | \ 502 PSM_CONFIG_FORCETAP | \ 503 PSM_CONFIG_IGNPORTERROR | \ 504 PSM_CONFIG_HOOKRESUME | \ 505 PSM_CONFIG_INITAFTERSUSPEND) 506 507 /* other flags (flags) */ 508 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 509 510 #define kbdcp(p) ((atkbdc_softc_t *)(p)) 511 #define ALWAYS_RESTORE_CONTROLLER(kbdc) !(kbdcp(kbdc)->quirks \ 512 & KBDC_QUIRK_KEEP_ACTIVATED) 513 514 /* Tunables */ 515 static int tap_enabled = -1; 516 static int verbose = PSM_DEBUG; 517 static int synaptics_support = 1; 518 static int trackpoint_support = 1; 519 static int elantech_support = 1; 520 521 /* for backward compatibility */ 522 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 523 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 524 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 525 526 typedef struct old_mousehw { 527 int buttons; 528 int iftype; 529 int type; 530 int hwid; 531 } old_mousehw_t; 532 533 typedef struct old_mousemode { 534 int protocol; 535 int rate; 536 int resolution; 537 int accelfactor; 538 } old_mousemode_t; 539 540 #define SYN_OFFSET(field) offsetof(struct psm_softc, syninfo.field) 541 enum { 542 SYNAPTICS_SYSCTL_MIN_PRESSURE = SYN_OFFSET(min_pressure), 543 SYNAPTICS_SYSCTL_MAX_PRESSURE = SYN_OFFSET(max_pressure), 544 SYNAPTICS_SYSCTL_MAX_WIDTH = SYN_OFFSET(max_width), 545 SYNAPTICS_SYSCTL_MARGIN_TOP = SYN_OFFSET(margin_top), 546 SYNAPTICS_SYSCTL_MARGIN_RIGHT = SYN_OFFSET(margin_right), 547 SYNAPTICS_SYSCTL_MARGIN_BOTTOM = SYN_OFFSET(margin_bottom), 548 SYNAPTICS_SYSCTL_MARGIN_LEFT = SYN_OFFSET(margin_left), 549 SYNAPTICS_SYSCTL_NA_TOP = SYN_OFFSET(na_top), 550 SYNAPTICS_SYSCTL_NA_RIGHT = SYN_OFFSET(na_right), 551 SYNAPTICS_SYSCTL_NA_BOTTOM = SYN_OFFSET(na_bottom), 552 SYNAPTICS_SYSCTL_NA_LEFT = SYN_OFFSET(na_left), 553 SYNAPTICS_SYSCTL_WINDOW_MIN = SYN_OFFSET(window_min), 554 SYNAPTICS_SYSCTL_WINDOW_MAX = SYN_OFFSET(window_max), 555 SYNAPTICS_SYSCTL_MULTIPLICATOR = SYN_OFFSET(multiplicator), 556 SYNAPTICS_SYSCTL_WEIGHT_CURRENT = SYN_OFFSET(weight_current), 557 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS = SYN_OFFSET(weight_previous), 558 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA = SYN_OFFSET(weight_previous_na), 559 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED = SYN_OFFSET(weight_len_squared), 560 SYNAPTICS_SYSCTL_DIV_MIN = SYN_OFFSET(div_min), 561 SYNAPTICS_SYSCTL_DIV_MAX = SYN_OFFSET(div_max), 562 SYNAPTICS_SYSCTL_DIV_MAX_NA = SYN_OFFSET(div_max_na), 563 SYNAPTICS_SYSCTL_DIV_LEN = SYN_OFFSET(div_len), 564 SYNAPTICS_SYSCTL_TAP_MAX_DELTA = SYN_OFFSET(tap_max_delta), 565 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE = SYN_OFFSET(tap_min_queue), 566 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT = SYN_OFFSET(taphold_timeout), 567 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA = SYN_OFFSET(vscroll_hor_area), 568 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA = SYN_OFFSET(vscroll_ver_area), 569 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA = SYN_OFFSET(vscroll_min_delta), 570 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN = SYN_OFFSET(vscroll_div_min), 571 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX = SYN_OFFSET(vscroll_div_max), 572 SYNAPTICS_SYSCTL_TOUCHPAD_OFF = SYN_OFFSET(touchpad_off), 573 SYNAPTICS_SYSCTL_SOFTBUTTONS_Y = SYN_OFFSET(softbuttons_y), 574 SYNAPTICS_SYSCTL_SOFTBUTTON2_X = SYN_OFFSET(softbutton2_x), 575 SYNAPTICS_SYSCTL_SOFTBUTTON3_X = SYN_OFFSET(softbutton3_x), 576 SYNAPTICS_SYSCTL_THREE_FINGER_DRAG = SYN_OFFSET(three_finger_drag), 577 SYNAPTICS_SYSCTL_NATURAL_SCROLL = SYN_OFFSET(natural_scroll), 578 #define SYNAPTICS_SYSCTL_LAST SYNAPTICS_SYSCTL_NATURAL_SCROLL 579 }; 580 581 /* packet formatting function */ 582 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 583 mousestatus_t *); 584 585 /* function prototypes */ 586 static void psmidentify(driver_t *, device_t); 587 static int psmprobe(device_t); 588 static int psmattach(device_t); 589 static int psmdetach(device_t); 590 static int psmresume(device_t); 591 592 static d_open_t psm_cdev_open; 593 static d_close_t psm_cdev_close; 594 static d_read_t psmread; 595 static d_write_t psmwrite; 596 static d_ioctl_t psmioctl; 597 static d_poll_t psmpoll; 598 599 static int psmopen(struct psm_softc *); 600 static int psmclose(struct psm_softc *); 601 602 #ifdef EVDEV_SUPPORT 603 static evdev_open_t psm_ev_open_r; 604 static evdev_close_t psm_ev_close_r; 605 static evdev_open_t psm_ev_open_a; 606 static evdev_close_t psm_ev_close_a; 607 #endif 608 609 static int enable_aux_dev(KBDC); 610 static int disable_aux_dev(KBDC); 611 static int get_mouse_status(KBDC, int *, int, int); 612 static int get_aux_id(KBDC); 613 static int set_mouse_sampling_rate(KBDC, int); 614 static int set_mouse_scaling(KBDC, int); 615 static int set_mouse_resolution(KBDC, int); 616 static int set_mouse_mode(KBDC); 617 static int get_mouse_buttons(KBDC); 618 static int is_a_mouse(int); 619 static void recover_from_error(KBDC); 620 static int restore_controller(KBDC, int); 621 static int doinitialize(struct psm_softc *, mousemode_t *); 622 static int doopen(struct psm_softc *, int); 623 static int reinitialize(struct psm_softc *, int); 624 static char *model_name(int); 625 static void psmsoftintr(void *); 626 static void psmsoftintridle(void *); 627 static void psmintr(void *); 628 static void psmtimeout(void *); 629 static int timeelapsed(const struct timeval *, int, int, 630 const struct timeval *); 631 static void dropqueue(struct psm_softc *); 632 static void flushpackets(struct psm_softc *); 633 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 634 mousestatus_t *, int *, int *, int *); 635 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 636 mousestatus_t *, int *, int *, int *); 637 static int proc_synaptics_mux(struct psm_softc *, packetbuf_t *); 638 static void proc_versapad(struct psm_softc *, packetbuf_t *, 639 mousestatus_t *, int *, int *, int *); 640 static int proc_elantech(struct psm_softc *, packetbuf_t *, 641 mousestatus_t *, int *, int *, int *); 642 static int psmpalmdetect(struct psm_softc *, finger_t *, int); 643 static void psmgestures(struct psm_softc *, finger_t *, int, 644 mousestatus_t *); 645 static void psmsmoother(struct psm_softc *, finger_t *, int, 646 mousestatus_t *, int *, int *); 647 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 648 u_char *); 649 650 /* vendor specific features */ 651 enum probearg { PROBE, REINIT }; 652 typedef int probefunc_t(struct psm_softc *, enum probearg); 653 654 static int mouse_id_proc1(KBDC, int, int, int *); 655 static int mouse_ext_command(KBDC, int); 656 657 static probefunc_t enable_groller; 658 static probefunc_t enable_gmouse; 659 static probefunc_t enable_aglide; 660 static probefunc_t enable_kmouse; 661 static probefunc_t enable_msexplorer; 662 static probefunc_t enable_msintelli; 663 static probefunc_t enable_4dmouse; 664 static probefunc_t enable_4dplus; 665 static probefunc_t enable_mmanplus; 666 static probefunc_t enable_synaptics; 667 static probefunc_t enable_synaptics_mux; 668 static probefunc_t enable_trackpoint; 669 static probefunc_t enable_versapad; 670 static probefunc_t enable_elantech; 671 672 static void set_trackpoint_parameters(struct psm_softc *sc); 673 static void synaptics_passthrough_on(struct psm_softc *sc); 674 static void synaptics_passthrough_off(struct psm_softc *sc); 675 static int synaptics_preferred_mode(struct psm_softc *sc); 676 static void synaptics_set_mode(struct psm_softc *sc, int mode_byte); 677 678 static struct { 679 int model; 680 u_char syncmask; 681 int packetsize; 682 probefunc_t *probefunc; 683 } vendortype[] = { 684 /* 685 * WARNING: the order of probe is very important. Don't mess it 686 * unless you know what you are doing. 687 */ 688 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad on Active Mux */ 689 0x00, MOUSE_PS2_PACKETSIZE, enable_synaptics_mux }, 690 { MOUSE_MODEL_NET, /* Genius NetMouse */ 691 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 692 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 693 0xc8, 6, enable_groller }, 694 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 695 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 696 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 697 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 698 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 699 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 700 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 701 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 702 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 703 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 704 { MOUSE_MODEL_ELANTECH, /* Elantech Touchpad */ 705 0x04, MOUSE_ELANTECH_PACKETSIZE, enable_elantech }, 706 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 707 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 708 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 709 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 710 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 711 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 712 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 713 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 714 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 715 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 716 { MOUSE_MODEL_GENERIC, 717 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 718 }; 719 #define GENERIC_MOUSE_ENTRY (nitems(vendortype) - 1) 720 721 /* device driver declarateion */ 722 static device_method_t psm_methods[] = { 723 /* Device interface */ 724 DEVMETHOD(device_identify, psmidentify), 725 DEVMETHOD(device_probe, psmprobe), 726 DEVMETHOD(device_attach, psmattach), 727 DEVMETHOD(device_detach, psmdetach), 728 DEVMETHOD(device_resume, psmresume), 729 730 { 0, 0 } 731 }; 732 733 static driver_t psm_driver = { 734 PSM_DRIVER_NAME, 735 psm_methods, 736 sizeof(struct psm_softc), 737 }; 738 739 static struct cdevsw psm_cdevsw = { 740 .d_version = D_VERSION, 741 .d_flags = D_NEEDGIANT, 742 .d_open = psm_cdev_open, 743 .d_close = psm_cdev_close, 744 .d_read = psmread, 745 .d_write = psmwrite, 746 .d_ioctl = psmioctl, 747 .d_poll = psmpoll, 748 .d_name = PSM_DRIVER_NAME, 749 }; 750 751 #ifdef EVDEV_SUPPORT 752 static const struct evdev_methods psm_ev_methods_r = { 753 .ev_open = psm_ev_open_r, 754 .ev_close = psm_ev_close_r, 755 }; 756 static const struct evdev_methods psm_ev_methods_a = { 757 .ev_open = psm_ev_open_a, 758 .ev_close = psm_ev_close_a, 759 }; 760 #endif 761 762 /* device I/O routines */ 763 static int 764 enable_aux_dev(KBDC kbdc) 765 { 766 int res; 767 768 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 769 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 770 771 return (res == PSM_ACK); 772 } 773 774 static int 775 disable_aux_dev(KBDC kbdc) 776 { 777 int res; 778 779 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 780 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 781 782 return (res == PSM_ACK); 783 } 784 785 static int 786 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 787 { 788 int cmd; 789 int res; 790 int i; 791 792 switch (flag) { 793 case 0: 794 default: 795 cmd = PSMC_SEND_DEV_STATUS; 796 break; 797 case 1: 798 cmd = PSMC_SEND_DEV_DATA; 799 break; 800 } 801 empty_aux_buffer(kbdc, 5); 802 res = send_aux_command(kbdc, cmd); 803 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 804 (flag == 1) ? "DATA" : "STATUS", res)); 805 if (res != PSM_ACK) 806 return (0); 807 808 for (i = 0; i < len; ++i) { 809 status[i] = read_aux_data(kbdc); 810 if (status[i] < 0) 811 break; 812 } 813 if (len >= 3) { 814 for (; i < 3; ++i) 815 status[i] = 0; 816 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 817 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 818 } 819 820 return (i); 821 } 822 823 static int 824 get_aux_id(KBDC kbdc) 825 { 826 int res; 827 int id; 828 829 empty_aux_buffer(kbdc, 5); 830 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 831 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 832 if (res != PSM_ACK) 833 return (-1); 834 835 /* 10ms delay */ 836 DELAY(10000); 837 838 id = read_aux_data(kbdc); 839 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 840 841 return (id); 842 } 843 844 static int 845 set_mouse_sampling_rate(KBDC kbdc, int rate) 846 { 847 int res; 848 849 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 850 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 851 852 return ((res == PSM_ACK) ? rate : -1); 853 } 854 855 static int 856 set_mouse_scaling(KBDC kbdc, int scale) 857 { 858 int res; 859 860 switch (scale) { 861 case 1: 862 default: 863 scale = PSMC_SET_SCALING11; 864 break; 865 case 2: 866 scale = PSMC_SET_SCALING21; 867 break; 868 } 869 res = send_aux_command(kbdc, scale); 870 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 871 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 872 873 return (res == PSM_ACK); 874 } 875 876 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 877 static int 878 set_mouse_resolution(KBDC kbdc, int val) 879 { 880 int res; 881 882 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 883 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 884 885 return ((res == PSM_ACK) ? val : -1); 886 } 887 888 /* 889 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 890 * re-enabled by calling `enable_aux_dev()' 891 */ 892 static int 893 set_mouse_mode(KBDC kbdc) 894 { 895 int res; 896 897 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 898 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 899 900 return (res == PSM_ACK); 901 } 902 903 static int 904 get_mouse_buttons(KBDC kbdc) 905 { 906 int c = 2; /* assume two buttons by default */ 907 int status[3]; 908 909 /* 910 * NOTE: a special sequence to obtain Logitech Mouse specific 911 * information: set resolution to 25 ppi, set scaling to 1:1, set 912 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 913 * mouse status bytes is the number of available buttons. 914 * Some manufactures also support this sequence. 915 */ 916 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 917 return (c); 918 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 919 set_mouse_scaling(kbdc, 1) && 920 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 921 return (status[1]); 922 return (c); 923 } 924 925 /* misc subroutines */ 926 /* 927 * Someday, I will get the complete list of valid pointing devices and 928 * their IDs... XXX 929 */ 930 static int 931 is_a_mouse(int id) 932 { 933 #if 0 934 static int valid_ids[] = { 935 PSM_MOUSE_ID, /* mouse */ 936 PSM_BALLPOINT_ID, /* ballpoint device */ 937 PSM_INTELLI_ID, /* Intellimouse */ 938 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 939 -1 /* end of table */ 940 }; 941 int i; 942 943 for (i = 0; valid_ids[i] >= 0; ++i) 944 if (valid_ids[i] == id) 945 return (TRUE); 946 return (FALSE); 947 #else 948 return (TRUE); 949 #endif 950 } 951 952 static char * 953 model_name(int model) 954 { 955 static struct { 956 int model_code; 957 char *model_name; 958 } models[] = { 959 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 960 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 961 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 962 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 963 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 964 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 965 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 966 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 967 { MOUSE_MODEL_4D, "4D Mouse" }, 968 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 969 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 970 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 971 { MOUSE_MODEL_ELANTECH, "Elantech Touchpad" }, 972 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 973 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 974 }; 975 int i; 976 977 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 978 if (models[i].model_code == model) 979 break; 980 return (models[i].model_name); 981 } 982 983 static void 984 recover_from_error(KBDC kbdc) 985 { 986 /* discard anything left in the output buffer */ 987 empty_both_buffers(kbdc, 10); 988 989 #if 0 990 /* 991 * NOTE: KBDC_RESET_KBD may not restore the communication between the 992 * keyboard and the controller. 993 */ 994 reset_kbd(kbdc); 995 #else 996 /* 997 * NOTE: somehow diagnostic and keyboard port test commands bring the 998 * keyboard back. 999 */ 1000 if (!test_controller(kbdc)) 1001 log(LOG_ERR, "psm: keyboard controller failed.\n"); 1002 /* if there isn't a keyboard in the system, the following error is OK */ 1003 if (test_kbd_port(kbdc) != 0) 1004 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 1005 #endif 1006 } 1007 1008 static int 1009 restore_controller(KBDC kbdc, int command_byte) 1010 { 1011 empty_both_buffers(kbdc, 10); 1012 1013 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 1014 log(LOG_ERR, "psm: failed to restore the keyboard controller " 1015 "command byte.\n"); 1016 empty_both_buffers(kbdc, 10); 1017 return (FALSE); 1018 } else { 1019 empty_both_buffers(kbdc, 10); 1020 return (TRUE); 1021 } 1022 } 1023 1024 /* 1025 * Re-initialize the aux port and device. The aux port must be enabled 1026 * and its interrupt must be disabled before calling this routine. 1027 * The aux device will be disabled before returning. 1028 * The keyboard controller must be locked via `kbdc_lock()' before 1029 * calling this routine. 1030 */ 1031 static int 1032 doinitialize(struct psm_softc *sc, mousemode_t *mode) 1033 { 1034 KBDC kbdc = sc->kbdc; 1035 int stat[3]; 1036 int i; 1037 1038 switch((i = test_aux_port(kbdc))) { 1039 case 1: /* ignore these errors */ 1040 case 2: 1041 case 3: 1042 case PSM_ACK: 1043 if (verbose) 1044 log(LOG_DEBUG, 1045 "psm%d: strange result for test aux port (%d).\n", 1046 sc->unit, i); 1047 /* FALLTHROUGH */ 1048 case 0: /* no error */ 1049 break; 1050 case -1: /* time out */ 1051 default: /* error */ 1052 recover_from_error(kbdc); 1053 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1054 break; 1055 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 1056 sc->unit, i); 1057 return (FALSE); 1058 } 1059 1060 if (sc->config & PSM_CONFIG_NORESET) { 1061 /* 1062 * Don't try to reset the pointing device. It may possibly 1063 * be left in the unknown state, though... 1064 */ 1065 } else { 1066 /* 1067 * NOTE: some controllers appears to hang the `keyboard' when 1068 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1069 */ 1070 if (!reset_aux_dev(kbdc)) { 1071 recover_from_error(kbdc); 1072 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 1073 sc->unit); 1074 return (FALSE); 1075 } 1076 } 1077 1078 /* 1079 * both the aux port and the aux device is functioning, see 1080 * if the device can be enabled. 1081 */ 1082 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 1083 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 1084 sc->unit); 1085 return (FALSE); 1086 } 1087 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 1088 1089 /* Re-enable the mouse. */ 1090 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1091 if (vendortype[i].model == sc->hw.model) 1092 (*vendortype[i].probefunc)(sc, REINIT); 1093 1094 /* set mouse parameters */ 1095 if (mode != (mousemode_t *)NULL) { 1096 if (mode->rate > 0) 1097 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 1098 if (mode->resolution >= 0) 1099 mode->resolution = 1100 set_mouse_resolution(kbdc, mode->resolution); 1101 set_mouse_scaling(kbdc, 1); 1102 set_mouse_mode(kbdc); 1103 } 1104 1105 /* Record sync on the next data packet we see. */ 1106 sc->flags |= PSM_NEED_SYNCBITS; 1107 1108 /* just check the status of the mouse */ 1109 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 1110 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 1111 sc->unit); 1112 1113 return (TRUE); 1114 } 1115 1116 static int 1117 doopen(struct psm_softc *sc, int command_byte) 1118 { 1119 int stat[3]; 1120 int mux_enabled = FALSE; 1121 1122 /* 1123 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 1124 * no obvious reason. Thus we check the current mode and restore the 1125 * Absolute Mode if it was cleared. 1126 * 1127 * The previous hack at the end of psmprobe() wasn't efficient when 1128 * moused(8) was restarted. 1129 * 1130 * A Reset (FF) or Set Defaults (F6) command would clear the 1131 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 1132 * doesn't show any evidence of such a command. 1133 */ 1134 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 1135 if (sc->muxport != PSM_NOMUX) { 1136 mux_enabled = enable_aux_mux(sc->kbdc) >= 0; 1137 if (mux_enabled) 1138 set_active_aux_mux_port(sc->kbdc, sc->muxport); 1139 else 1140 log(LOG_ERR, "psm%d: failed to enable " 1141 "active multiplexing mode.\n", 1142 sc->unit); 1143 } 1144 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODES); 1145 get_mouse_status(sc->kbdc, stat, 0, 3); 1146 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 1147 stat[1] == 0x47) && 1148 stat[2] == 0x40) { 1149 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1150 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 1151 "hopefully restored\n", 1152 sc->unit)); 1153 } 1154 if (mux_enabled) 1155 disable_aux_mux(sc->kbdc); 1156 } 1157 1158 /* 1159 * A user may want to disable tap and drag gestures on a Synaptics 1160 * TouchPad when it operates in Relative Mode. 1161 */ 1162 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 1163 if (tap_enabled > 0) { 1164 VLOG(2, (LOG_DEBUG, 1165 "psm%d: enable tap and drag gestures\n", 1166 sc->unit)); 1167 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1168 } else if (tap_enabled == 0) { 1169 VLOG(2, (LOG_DEBUG, 1170 "psm%d: disable tap and drag gestures\n", 1171 sc->unit)); 1172 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1173 } 1174 } 1175 1176 /* enable the mouse device */ 1177 if (!enable_aux_dev(sc->kbdc)) { 1178 /* MOUSE ERROR: failed to enable the mouse because: 1179 * 1) the mouse is faulty, 1180 * 2) the mouse has been removed(!?) 1181 * In the latter case, the keyboard may have hung, and need 1182 * recovery procedure... 1183 */ 1184 recover_from_error(sc->kbdc); 1185 #if 0 1186 /* FIXME: we could reset the mouse here and try to enable 1187 * it again. But it will take long time and it's not a good 1188 * idea to disable the keyboard that long... 1189 */ 1190 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 1191 recover_from_error(sc->kbdc); 1192 #else 1193 { 1194 #endif 1195 restore_controller(sc->kbdc, command_byte); 1196 /* mark this device is no longer available */ 1197 sc->state &= ~PSM_VALID; 1198 log(LOG_ERR, 1199 "psm%d: failed to enable the device (doopen).\n", 1200 sc->unit); 1201 return (EIO); 1202 } 1203 } 1204 1205 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1206 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 1207 sc->unit); 1208 1209 /* enable the aux port and interrupt */ 1210 if (!set_controller_command_byte(sc->kbdc, 1211 kbdc_get_device_mask(sc->kbdc), 1212 (command_byte & KBD_KBD_CONTROL_BITS) | 1213 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1214 /* CONTROLLER ERROR */ 1215 disable_aux_dev(sc->kbdc); 1216 restore_controller(sc->kbdc, command_byte); 1217 log(LOG_ERR, 1218 "psm%d: failed to enable the aux interrupt (doopen).\n", 1219 sc->unit); 1220 return (EIO); 1221 } 1222 1223 /* start the watchdog timer */ 1224 sc->watchdog = FALSE; 1225 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1226 1227 return (0); 1228 } 1229 1230 static int 1231 reinitialize(struct psm_softc *sc, int doinit) 1232 { 1233 int err; 1234 int c; 1235 int s; 1236 1237 /* don't let anybody mess with the aux device */ 1238 if (!kbdc_lock(sc->kbdc, TRUE)) 1239 return (EIO); 1240 s = spltty(); 1241 1242 /* block our watchdog timer */ 1243 sc->watchdog = FALSE; 1244 callout_stop(&sc->callout); 1245 1246 /* save the current controller command byte */ 1247 empty_both_buffers(sc->kbdc, 10); 1248 c = get_controller_command_byte(sc->kbdc); 1249 VLOG(2, (LOG_DEBUG, 1250 "psm%d: current command byte: %04x (reinitialize).\n", 1251 sc->unit, 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 log(LOG_ERR, 1262 "psm%d: unable to set the command byte (reinitialize).\n", 1263 sc->unit); 1264 return (EIO); 1265 } 1266 1267 /* flush any data */ 1268 if (sc->state & PSM_VALID) { 1269 /* this may fail; but never mind... */ 1270 disable_aux_dev(sc->kbdc); 1271 empty_aux_buffer(sc->kbdc, 10); 1272 } 1273 flushpackets(sc); 1274 sc->syncerrors = 0; 1275 sc->pkterrors = 0; 1276 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1277 1278 /* try to detect the aux device; are you still there? */ 1279 err = 0; 1280 if (doinit) { 1281 if (doinitialize(sc, &sc->mode)) { 1282 /* yes */ 1283 sc->state |= PSM_VALID; 1284 } else { 1285 /* the device has gone! */ 1286 restore_controller(sc->kbdc, c); 1287 sc->state &= ~PSM_VALID; 1288 log(LOG_ERR, 1289 "psm%d: the aux device has gone! (reinitialize).\n", 1290 sc->unit); 1291 err = ENXIO; 1292 } 1293 } 1294 splx(s); 1295 1296 /* restore the driver state */ 1297 if ((sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A)) && 1298 (err == 0)) { 1299 /* enable the aux device and the port again */ 1300 err = doopen(sc, c); 1301 if (err != 0) 1302 log(LOG_ERR, "psm%d: failed to enable the device " 1303 "(reinitialize).\n", sc->unit); 1304 } else { 1305 /* restore the keyboard port and disable the aux port */ 1306 if (!set_controller_command_byte(sc->kbdc, 1307 kbdc_get_device_mask(sc->kbdc), 1308 (c & KBD_KBD_CONTROL_BITS) | 1309 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1310 /* CONTROLLER ERROR */ 1311 log(LOG_ERR, "psm%d: failed to disable the aux port " 1312 "(reinitialize).\n", sc->unit); 1313 err = EIO; 1314 } 1315 } 1316 1317 kbdc_lock(sc->kbdc, FALSE); 1318 return (err); 1319 } 1320 1321 /* psm driver entry points */ 1322 1323 static void 1324 psmidentify(driver_t *driver, device_t parent) 1325 { 1326 device_t psmc; 1327 device_t psm; 1328 u_long irq; 1329 int unit; 1330 1331 unit = device_get_unit(parent); 1332 1333 /* always add at least one child */ 1334 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1335 if (psm == NULL) 1336 return; 1337 1338 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1339 if (irq > 0) 1340 return; 1341 1342 /* 1343 * If the PS/2 mouse device has already been reported by ACPI or 1344 * PnP BIOS, obtain the IRQ resource from it. 1345 * (See psmcpnp_attach() below.) 1346 */ 1347 psmc = device_find_child(device_get_parent(parent), 1348 PSMCPNP_DRIVER_NAME, unit); 1349 if (psmc == NULL) 1350 return; 1351 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1352 if (irq <= 0) 1353 return; 1354 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1355 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1356 } 1357 1358 #define endprobe(v) do { \ 1359 if (bootverbose) \ 1360 --verbose; \ 1361 kbdc_set_device_mask(sc->kbdc, mask); \ 1362 kbdc_lock(sc->kbdc, FALSE); \ 1363 return (v); \ 1364 } while (0) 1365 1366 static int 1367 psmprobe(device_t dev) 1368 { 1369 int unit = device_get_unit(dev); 1370 struct psm_softc *sc = device_get_softc(dev); 1371 int stat[3]; 1372 int command_byte; 1373 int mask; 1374 int rid; 1375 int i; 1376 1377 #if 0 1378 kbdc_debug(TRUE); 1379 #endif 1380 1381 /* see if IRQ is available */ 1382 rid = KBDC_RID_AUX; 1383 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1384 if (sc->intr == NULL) { 1385 if (bootverbose) 1386 device_printf(dev, "unable to allocate IRQ\n"); 1387 return (ENXIO); 1388 } 1389 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1390 1391 sc->unit = unit; 1392 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1393 if (sc->kbdc == NULL) 1394 return (ENXIO); 1395 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1396 /* XXX: for backward compatibility */ 1397 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1398 sc->config |= 1399 #ifdef PSM_RESETAFTERSUSPEND 1400 PSM_CONFIG_INITAFTERSUSPEND; 1401 #else 1402 PSM_CONFIG_HOOKRESUME; 1403 #endif 1404 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1405 sc->flags = 0; 1406 sc->muxport = PSM_NOMUX; 1407 if (bootverbose) 1408 ++verbose; 1409 1410 device_set_desc(dev, "PS/2 Mouse"); 1411 1412 if (!kbdc_lock(sc->kbdc, TRUE)) { 1413 printf("psm%d: unable to lock the controller.\n", unit); 1414 if (bootverbose) 1415 --verbose; 1416 return (ENXIO); 1417 } 1418 1419 /* 1420 * NOTE: two bits in the command byte controls the operation of the 1421 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1422 * port interrupt (IRQ 12) enable bit (bit 2). 1423 */ 1424 1425 /* discard anything left after the keyboard initialization */ 1426 empty_both_buffers(sc->kbdc, 10); 1427 1428 /* save the current command byte; it will be used later */ 1429 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1430 command_byte = get_controller_command_byte(sc->kbdc); 1431 if (verbose) 1432 printf("psm%d: current command byte:%04x\n", unit, 1433 command_byte); 1434 if (command_byte == -1) { 1435 /* CONTROLLER ERROR */ 1436 printf("psm%d: unable to get the current command byte value.\n", 1437 unit); 1438 endprobe(ENXIO); 1439 } 1440 1441 /* 1442 * disable the keyboard port while probing the aux port, which must be 1443 * enabled during this routine 1444 */ 1445 if (!set_controller_command_byte(sc->kbdc, 1446 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1447 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1448 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1449 /* 1450 * this is CONTROLLER ERROR; I don't know how to recover 1451 * from this error... 1452 */ 1453 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1454 restore_controller(sc->kbdc, command_byte); 1455 printf("psm%d: unable to set the command byte.\n", unit); 1456 endprobe(ENXIO); 1457 } 1458 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1459 1460 /* 1461 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1462 * port exists and is functioning. However, some controllers appears 1463 * to respond with zero even when the aux port doesn't exist. (It may 1464 * be that this is only the case when the controller DOES have the aux 1465 * port but the port is not wired on the motherboard.) The keyboard 1466 * controllers without the port, such as the original AT, are 1467 * supposed to return with an error code or simply time out. In any 1468 * case, we have to continue probing the port even when the controller 1469 * passes this test. 1470 * 1471 * XXX: some controllers erroneously return the error code 1, 2 or 3 1472 * when it has a perfectly functional aux port. We have to ignore 1473 * this error code. Even if the controller HAS error with the aux 1474 * port, it will be detected later... 1475 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1476 */ 1477 switch ((i = test_aux_port(sc->kbdc))) { 1478 case 1: /* ignore these errors */ 1479 case 2: 1480 case 3: 1481 case PSM_ACK: 1482 if (verbose) 1483 printf("psm%d: strange result for test aux port " 1484 "(%d).\n", unit, i); 1485 /* FALLTHROUGH */ 1486 case 0: /* no error */ 1487 break; 1488 case -1: /* time out */ 1489 default: /* error */ 1490 recover_from_error(sc->kbdc); 1491 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1492 break; 1493 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1494 restore_controller(sc->kbdc, command_byte); 1495 if (verbose) 1496 printf("psm%d: the aux port is not functioning (%d).\n", 1497 unit, i); 1498 endprobe(ENXIO); 1499 } 1500 1501 if (sc->config & PSM_CONFIG_NORESET) { 1502 /* 1503 * Don't try to reset the pointing device. It may possibly be 1504 * left in an unknown state, though... 1505 */ 1506 } else { 1507 /* 1508 * NOTE: some controllers appears to hang the `keyboard' when 1509 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1510 * 1511 * Attempt to reset the controller twice -- this helps 1512 * pierce through some KVM switches. The second reset 1513 * is non-fatal. 1514 */ 1515 if (!reset_aux_dev(sc->kbdc)) { 1516 recover_from_error(sc->kbdc); 1517 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1518 restore_controller(sc->kbdc, command_byte); 1519 if (verbose) 1520 printf("psm%d: failed to reset the aux " 1521 "device.\n", unit); 1522 endprobe(ENXIO); 1523 } else if (!reset_aux_dev(sc->kbdc)) { 1524 recover_from_error(sc->kbdc); 1525 if (verbose >= 2) 1526 printf("psm%d: failed to reset the aux device " 1527 "(2).\n", unit); 1528 } 1529 } 1530 1531 /* 1532 * both the aux port and the aux device are functioning, see if the 1533 * device can be enabled. NOTE: when enabled, the device will start 1534 * sending data; we shall immediately disable the device once we know 1535 * the device can be enabled. 1536 */ 1537 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1538 /* MOUSE ERROR */ 1539 recover_from_error(sc->kbdc); 1540 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1541 restore_controller(sc->kbdc, command_byte); 1542 if (verbose) 1543 printf("psm%d: failed to enable the aux device.\n", 1544 unit); 1545 endprobe(ENXIO); 1546 } 1547 1548 /* save the default values after reset */ 1549 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1550 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1551 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1552 } else { 1553 sc->dflt_mode.rate = sc->mode.rate = -1; 1554 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1555 } 1556 1557 /* hardware information */ 1558 sc->hw.iftype = MOUSE_IF_PS2; 1559 1560 /* verify the device is a mouse */ 1561 sc->hw.hwid = get_aux_id(sc->kbdc); 1562 if (!is_a_mouse(sc->hw.hwid)) { 1563 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1564 restore_controller(sc->kbdc, command_byte); 1565 if (verbose) 1566 printf("psm%d: unknown device type (%d).\n", unit, 1567 sc->hw.hwid); 1568 endprobe(ENXIO); 1569 } 1570 switch (sc->hw.hwid) { 1571 case PSM_BALLPOINT_ID: 1572 sc->hw.type = MOUSE_TRACKBALL; 1573 break; 1574 case PSM_MOUSE_ID: 1575 case PSM_INTELLI_ID: 1576 case PSM_EXPLORER_ID: 1577 case PSM_4DMOUSE_ID: 1578 case PSM_4DPLUS_ID: 1579 sc->hw.type = MOUSE_MOUSE; 1580 break; 1581 default: 1582 sc->hw.type = MOUSE_UNKNOWN; 1583 break; 1584 } 1585 1586 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1587 sc->hw.buttons = 2; 1588 i = GENERIC_MOUSE_ENTRY; 1589 } else { 1590 /* # of buttons */ 1591 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1592 1593 /* other parameters */ 1594 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1595 if ((*vendortype[i].probefunc)(sc, PROBE)) { 1596 if (verbose >= 2) 1597 printf("psm%d: found %s\n", unit, 1598 model_name(vendortype[i].model)); 1599 break; 1600 } 1601 } 1602 1603 sc->hw.model = vendortype[i].model; 1604 1605 sc->dflt_mode.level = PSM_LEVEL_BASE; 1606 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1607 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1608 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1609 sc->dflt_mode.syncmask[0] = 0; 1610 else 1611 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1612 if (sc->config & PSM_CONFIG_FORCETAP) 1613 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1614 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1615 sc->mode = sc->dflt_mode; 1616 sc->mode.packetsize = vendortype[i].packetsize; 1617 1618 /* set mouse parameters */ 1619 #if 0 1620 /* 1621 * A version of Logitech FirstMouse+ won't report wheel movement, 1622 * if SET_DEFAULTS is sent... Don't use this command. 1623 * This fix was found by Takashi Nishida. 1624 */ 1625 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1626 if (verbose >= 2) 1627 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1628 #endif 1629 if (sc->config & PSM_CONFIG_RESOLUTION) 1630 sc->mode.resolution = 1631 set_mouse_resolution(sc->kbdc, 1632 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1633 else if (sc->mode.resolution >= 0) 1634 sc->mode.resolution = 1635 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1636 if (sc->mode.rate > 0) 1637 sc->mode.rate = 1638 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1639 set_mouse_scaling(sc->kbdc, 1); 1640 1641 /* Record sync on the next data packet we see. */ 1642 sc->flags |= PSM_NEED_SYNCBITS; 1643 1644 /* just check the status of the mouse */ 1645 /* 1646 * NOTE: XXX there are some arcane controller/mouse combinations out 1647 * there, which hung the controller unless there is data transmission 1648 * after ACK from the mouse. 1649 */ 1650 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1651 printf("psm%d: failed to get status.\n", unit); 1652 else { 1653 /* 1654 * When in its native mode, some mice operate with different 1655 * default parameters than in the PS/2 compatible mode. 1656 */ 1657 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1658 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1659 } 1660 1661 /* disable the aux port for now... */ 1662 if (!set_controller_command_byte(sc->kbdc, 1663 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1664 (command_byte & KBD_KBD_CONTROL_BITS) | 1665 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1666 /* 1667 * this is CONTROLLER ERROR; I don't know the proper way to 1668 * recover from this error... 1669 */ 1670 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1671 restore_controller(sc->kbdc, command_byte); 1672 printf("psm%d: unable to set the command byte.\n", unit); 1673 endprobe(ENXIO); 1674 } 1675 1676 /* done */ 1677 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1678 kbdc_lock(sc->kbdc, FALSE); 1679 return (0); 1680 } 1681 1682 #ifdef EVDEV_SUPPORT 1683 /* Values are taken from Linux drivers for userland software compatibility */ 1684 #define PS2_MOUSE_VENDOR 0x0002 1685 #define PS2_MOUSE_GENERIC_PRODUCT 0x0001 1686 #define PS2_MOUSE_SYNAPTICS_NAME "SynPS/2 Synaptics TouchPad" 1687 #define PS2_MOUSE_SYNAPTICS_PRODUCT 0x0007 1688 #define PS2_MOUSE_TRACKPOINT_NAME "TPPS/2 IBM TrackPoint" 1689 #define PS2_MOUSE_TRACKPOINT_PRODUCT 0x000A 1690 #define PS2_MOUSE_ELANTECH_NAME "ETPS/2 Elantech Touchpad" 1691 #define PS2_MOUSE_ELANTECH_ST_NAME "ETPS/2 Elantech TrackPoint" 1692 #define PS2_MOUSE_ELANTECH_PRODUCT 0x000E 1693 1694 #define ABSINFO_END { ABS_CNT, 0, 0, 0 } 1695 1696 static void 1697 psm_support_abs_bulk(struct evdev_dev *evdev, const uint16_t info[][4]) 1698 { 1699 size_t i; 1700 1701 for (i = 0; info[i][0] != ABS_CNT; i++) 1702 evdev_support_abs(evdev, info[i][0], 0, info[i][1], info[i][2], 1703 0, 0, info[i][3]); 1704 } 1705 1706 static void 1707 psm_push_mt_finger(struct psm_softc *sc, int id, const finger_t *f) 1708 { 1709 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1710 1711 evdev_push_abs(sc->evdev_a, ABS_MT_SLOT, id); 1712 evdev_push_abs(sc->evdev_a, ABS_MT_TRACKING_ID, id); 1713 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_X, f->x); 1714 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_Y, y); 1715 evdev_push_abs(sc->evdev_a, ABS_MT_PRESSURE, f->p); 1716 } 1717 1718 static void 1719 psm_push_st_finger(struct psm_softc *sc, const finger_t *f) 1720 { 1721 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1722 1723 evdev_push_abs(sc->evdev_a, ABS_X, f->x); 1724 evdev_push_abs(sc->evdev_a, ABS_Y, y); 1725 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, f->p); 1726 if (sc->synhw.capPalmDetect) 1727 evdev_push_abs(sc->evdev_a, ABS_TOOL_WIDTH, f->w); 1728 } 1729 1730 static void 1731 psm_release_mt_slot(struct evdev_dev *evdev, int32_t slot) 1732 { 1733 1734 evdev_push_abs(evdev, ABS_MT_SLOT, slot); 1735 evdev_push_abs(evdev, ABS_MT_TRACKING_ID, -1); 1736 } 1737 1738 static int 1739 psm_register(device_t dev, int model_code) 1740 { 1741 struct psm_softc *sc = device_get_softc(dev); 1742 struct evdev_dev *evdev_r; 1743 int error, i, nbuttons, nwheels, product; 1744 bool is_pointing_stick; 1745 const char *name; 1746 1747 name = model_name(model_code); 1748 nbuttons = sc->hw.buttons; 1749 product = PS2_MOUSE_GENERIC_PRODUCT; 1750 nwheels = 0; 1751 is_pointing_stick = false; 1752 1753 switch (model_code) { 1754 case MOUSE_MODEL_TRACKPOINT: 1755 name = PS2_MOUSE_TRACKPOINT_NAME; 1756 product = PS2_MOUSE_TRACKPOINT_PRODUCT; 1757 nbuttons = 3; 1758 is_pointing_stick = true; 1759 break; 1760 1761 case MOUSE_MODEL_ELANTECH: 1762 name = PS2_MOUSE_ELANTECH_ST_NAME; 1763 product = PS2_MOUSE_ELANTECH_PRODUCT; 1764 nbuttons = 3; 1765 is_pointing_stick = true; 1766 break; 1767 1768 case MOUSE_MODEL_MOUSEMANPLUS: 1769 case MOUSE_MODEL_4D: 1770 nwheels = 2; 1771 break; 1772 1773 case MOUSE_MODEL_EXPLORER: 1774 case MOUSE_MODEL_INTELLI: 1775 case MOUSE_MODEL_NET: 1776 case MOUSE_MODEL_NETSCROLL: 1777 case MOUSE_MODEL_4DPLUS: 1778 nwheels = 1; 1779 break; 1780 } 1781 1782 evdev_r = evdev_alloc(); 1783 evdev_set_name(evdev_r, name); 1784 evdev_set_phys(evdev_r, device_get_nameunit(dev)); 1785 evdev_set_id(evdev_r, BUS_I8042, PS2_MOUSE_VENDOR, product, 0); 1786 evdev_set_methods(evdev_r, sc, &psm_ev_methods_r); 1787 1788 evdev_support_prop(evdev_r, INPUT_PROP_POINTER); 1789 if (is_pointing_stick) 1790 evdev_support_prop(evdev_r, INPUT_PROP_POINTING_STICK); 1791 evdev_support_event(evdev_r, EV_SYN); 1792 evdev_support_event(evdev_r, EV_KEY); 1793 evdev_support_event(evdev_r, EV_REL); 1794 evdev_support_rel(evdev_r, REL_X); 1795 evdev_support_rel(evdev_r, REL_Y); 1796 switch (nwheels) { 1797 case 2: 1798 evdev_support_rel(evdev_r, REL_HWHEEL); 1799 /* FALLTHROUGH */ 1800 case 1: 1801 evdev_support_rel(evdev_r, REL_WHEEL); 1802 } 1803 for (i = 0; i < nbuttons; i++) 1804 evdev_support_key(evdev_r, BTN_MOUSE + i); 1805 1806 error = evdev_register_mtx(evdev_r, &Giant); 1807 if (error) 1808 evdev_free(evdev_r); 1809 else 1810 sc->evdev_r = evdev_r; 1811 return (error); 1812 } 1813 1814 static int 1815 psm_register_synaptics(device_t dev) 1816 { 1817 struct psm_softc *sc = device_get_softc(dev); 1818 const uint16_t synaptics_absinfo_st[][4] = { 1819 { ABS_X, sc->synhw.minimumXCoord, 1820 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1821 { ABS_Y, sc->synhw.minimumYCoord, 1822 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1823 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1824 ABSINFO_END, 1825 }; 1826 const uint16_t synaptics_absinfo_mt[][4] = { 1827 { ABS_MT_SLOT, 0, PSM_FINGERS-1, 0}, 1828 { ABS_MT_TRACKING_ID, -1, PSM_FINGERS-1, 0}, 1829 { ABS_MT_POSITION_X, sc->synhw.minimumXCoord, 1830 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1831 { ABS_MT_POSITION_Y, sc->synhw.minimumYCoord, 1832 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1833 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1834 ABSINFO_END, 1835 }; 1836 struct evdev_dev *evdev_a; 1837 int error, i, guest_model; 1838 1839 evdev_a = evdev_alloc(); 1840 evdev_set_name(evdev_a, PS2_MOUSE_SYNAPTICS_NAME); 1841 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1842 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1843 PS2_MOUSE_SYNAPTICS_PRODUCT, 0); 1844 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1845 1846 evdev_support_event(evdev_a, EV_SYN); 1847 evdev_support_event(evdev_a, EV_KEY); 1848 evdev_support_event(evdev_a, EV_ABS); 1849 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1850 if (sc->synhw.capAdvancedGestures) 1851 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1852 if (sc->synhw.capClickPad) 1853 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1854 if (sc->synhw.capClickPad && sc->synhw.topButtonPad) 1855 evdev_support_prop(evdev_a, INPUT_PROP_TOPBUTTONPAD); 1856 evdev_support_key(evdev_a, BTN_TOUCH); 1857 evdev_support_nfingers(evdev_a, sc->synhw.capReportsV ? 5 : 3); 1858 psm_support_abs_bulk(evdev_a, synaptics_absinfo_st); 1859 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1860 psm_support_abs_bulk(evdev_a, synaptics_absinfo_mt); 1861 if (sc->synhw.capPalmDetect) 1862 evdev_support_abs(evdev_a, ABS_TOOL_WIDTH, 0, 0, 15, 0, 0, 0); 1863 evdev_support_key(evdev_a, BTN_LEFT); 1864 if (!sc->synhw.capClickPad) { 1865 evdev_support_key(evdev_a, BTN_RIGHT); 1866 if (sc->synhw.capExtended && sc->synhw.capMiddle) 1867 evdev_support_key(evdev_a, BTN_MIDDLE); 1868 } 1869 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 1870 evdev_support_key(evdev_a, BTN_BACK); 1871 evdev_support_key(evdev_a, BTN_FORWARD); 1872 } 1873 if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) 1874 for (i = 0; i < sc->synhw.nExtendedButtons; i++) 1875 evdev_support_key(evdev_a, BTN_0 + i); 1876 1877 error = evdev_register_mtx(evdev_a, &Giant); 1878 if (!error && (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX)) { 1879 guest_model = sc->tpinfo.sysctl_tree != NULL ? 1880 MOUSE_MODEL_TRACKPOINT : MOUSE_MODEL_GENERIC; 1881 error = psm_register(dev, guest_model); 1882 } 1883 if (error) 1884 evdev_free(evdev_a); 1885 else 1886 sc->evdev_a = evdev_a; 1887 return (error); 1888 } 1889 1890 static int 1891 psm_register_elantech(device_t dev) 1892 { 1893 struct psm_softc *sc = device_get_softc(dev); 1894 const uint16_t elantech_absinfo[][4] = { 1895 { ABS_X, 0, sc->elanhw.sizex, 1896 sc->elanhw.dpmmx }, 1897 { ABS_Y, 0, sc->elanhw.sizey, 1898 sc->elanhw.dpmmy }, 1899 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1900 { ABS_TOOL_WIDTH, 0, ELANTECH_FINGER_MAX_W, 0 }, 1901 { ABS_MT_SLOT, 0, ELANTECH_MAX_FINGERS - 1, 0 }, 1902 { ABS_MT_TRACKING_ID, -1, ELANTECH_MAX_FINGERS - 1, 0 }, 1903 { ABS_MT_POSITION_X, 0, sc->elanhw.sizex, 1904 sc->elanhw.dpmmx }, 1905 { ABS_MT_POSITION_Y, 0, sc->elanhw.sizey, 1906 sc->elanhw.dpmmy }, 1907 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1908 { ABS_MT_TOUCH_MAJOR, 0, ELANTECH_FINGER_MAX_W * 1909 sc->elanhw.dptracex, 0 }, 1910 ABSINFO_END, 1911 }; 1912 struct evdev_dev *evdev_a; 1913 int error; 1914 1915 evdev_a = evdev_alloc(); 1916 evdev_set_name(evdev_a, PS2_MOUSE_ELANTECH_NAME); 1917 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1918 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1919 PS2_MOUSE_ELANTECH_PRODUCT, 0); 1920 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1921 1922 evdev_support_event(evdev_a, EV_SYN); 1923 evdev_support_event(evdev_a, EV_KEY); 1924 evdev_support_event(evdev_a, EV_ABS); 1925 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1926 if (sc->elanhw.issemimt) 1927 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1928 if (sc->elanhw.isclickpad) 1929 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1930 evdev_support_key(evdev_a, BTN_TOUCH); 1931 evdev_support_nfingers(evdev_a, ELANTECH_MAX_FINGERS); 1932 evdev_support_key(evdev_a, BTN_LEFT); 1933 if (!sc->elanhw.isclickpad) 1934 evdev_support_key(evdev_a, BTN_RIGHT); 1935 psm_support_abs_bulk(evdev_a, elantech_absinfo); 1936 1937 error = evdev_register_mtx(evdev_a, &Giant); 1938 if (!error && sc->elanhw.hastrackpoint) 1939 error = psm_register(dev, MOUSE_MODEL_ELANTECH); 1940 if (error) 1941 evdev_free(evdev_a); 1942 else 1943 sc->evdev_a = evdev_a; 1944 return (error); 1945 } 1946 #endif 1947 1948 static int 1949 psmattach(device_t dev) 1950 { 1951 struct make_dev_args mda; 1952 int unit = device_get_unit(dev); 1953 struct psm_softc *sc = device_get_softc(dev); 1954 int error; 1955 int rid; 1956 1957 /* Setup initial state */ 1958 sc->state = PSM_VALID; 1959 callout_init(&sc->callout, 0); 1960 callout_init(&sc->softcallout, 0); 1961 1962 /* Setup our interrupt handler */ 1963 rid = KBDC_RID_AUX; 1964 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1965 if (sc->intr == NULL) 1966 return (ENXIO); 1967 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1968 &sc->ih); 1969 if (error) 1970 goto out; 1971 1972 /* Done */ 1973 make_dev_args_init(&mda); 1974 mda.mda_devsw = &psm_cdevsw; 1975 mda.mda_mode = 0666; 1976 mda.mda_si_drv1 = sc; 1977 1978 if ((error = make_dev_s(&mda, &sc->dev, "psm%d", unit)) != 0) 1979 goto out; 1980 if ((error = make_dev_s(&mda, &sc->bdev, "bpsm%d", unit)) != 0) 1981 goto out; 1982 1983 #ifdef EVDEV_SUPPORT 1984 switch (sc->hw.model) { 1985 case MOUSE_MODEL_SYNAPTICS: 1986 error = psm_register_synaptics(dev); 1987 break; 1988 1989 case MOUSE_MODEL_ELANTECH: 1990 error = psm_register_elantech(dev); 1991 break; 1992 1993 default: 1994 error = psm_register(dev, sc->hw.model); 1995 } 1996 1997 if (error) 1998 goto out; 1999 #endif 2000 2001 /* Some touchpad devices need full reinitialization after suspend. */ 2002 switch (sc->hw.model) { 2003 case MOUSE_MODEL_SYNAPTICS: 2004 case MOUSE_MODEL_GLIDEPOINT: 2005 case MOUSE_MODEL_VERSAPAD: 2006 case MOUSE_MODEL_ELANTECH: 2007 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2008 break; 2009 default: 2010 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 2011 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2012 break; 2013 } 2014 2015 /* Elantech trackpad`s sync bit differs from touchpad`s one */ 2016 if (sc->hw.model == MOUSE_MODEL_ELANTECH && 2017 (sc->elanhw.hascrc || sc->elanhw.hastrackpoint)) { 2018 sc->config |= PSM_CONFIG_NOCHECKSYNC; 2019 sc->flags &= ~PSM_NEED_SYNCBITS; 2020 } 2021 2022 if (!verbose) 2023 printf("psm%d: model %s, device ID %d\n", 2024 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 2025 else { 2026 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 2027 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 2028 sc->hw.hwid >> 8, sc->hw.buttons); 2029 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 2030 unit, sc->config, sc->flags, sc->mode.packetsize); 2031 printf("psm%d: syncmask:%02x, syncbits:%02x%s\n", 2032 unit, sc->mode.syncmask[0], sc->mode.syncmask[1], 2033 sc->config & PSM_CONFIG_NOCHECKSYNC ? " (sync not checked)" : ""); 2034 } 2035 2036 if (bootverbose) 2037 --verbose; 2038 2039 out: 2040 if (error != 0) { 2041 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2042 if (sc->dev != NULL) 2043 destroy_dev(sc->dev); 2044 if (sc->bdev != NULL) 2045 destroy_dev(sc->bdev); 2046 } 2047 return (error); 2048 } 2049 2050 static int 2051 psmdetach(device_t dev) 2052 { 2053 struct psm_softc *sc; 2054 int rid; 2055 2056 sc = device_get_softc(dev); 2057 if (sc->state & PSM_OPEN) 2058 return (EBUSY); 2059 2060 #ifdef EVDEV_SUPPORT 2061 evdev_free(sc->evdev_r); 2062 evdev_free(sc->evdev_a); 2063 #endif 2064 2065 rid = KBDC_RID_AUX; 2066 bus_teardown_intr(dev, sc->intr, sc->ih); 2067 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2068 2069 destroy_dev(sc->dev); 2070 destroy_dev(sc->bdev); 2071 2072 callout_drain(&sc->callout); 2073 callout_drain(&sc->softcallout); 2074 2075 return (0); 2076 } 2077 2078 #ifdef EVDEV_SUPPORT 2079 static int 2080 psm_ev_open_r(struct evdev_dev *evdev) 2081 { 2082 struct psm_softc *sc = evdev_get_softc(evdev); 2083 int err = 0; 2084 2085 /* Get device data */ 2086 if ((sc->state & PSM_VALID) == 0) { 2087 /* the device is no longer valid/functioning */ 2088 return (ENXIO); 2089 } 2090 2091 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2092 err = psmopen(sc); 2093 2094 if (err == 0) 2095 sc->state |= PSM_EV_OPEN_R; 2096 2097 return (err); 2098 } 2099 2100 static int 2101 psm_ev_close_r(struct evdev_dev *evdev) 2102 { 2103 struct psm_softc *sc = evdev_get_softc(evdev); 2104 int err = 0; 2105 2106 sc->state &= ~PSM_EV_OPEN_R; 2107 2108 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2109 return (0); 2110 2111 if (sc->state & PSM_VALID) 2112 err = psmclose(sc); 2113 2114 return (err); 2115 } 2116 2117 static int 2118 psm_ev_open_a(struct evdev_dev *evdev) 2119 { 2120 struct psm_softc *sc = evdev_get_softc(evdev); 2121 int err = 0; 2122 2123 /* Get device data */ 2124 if ((sc->state & PSM_VALID) == 0) { 2125 /* the device is no longer valid/functioning */ 2126 return (ENXIO); 2127 } 2128 2129 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2130 err = psmopen(sc); 2131 2132 if (err == 0) 2133 sc->state |= PSM_EV_OPEN_A; 2134 2135 return (err); 2136 } 2137 2138 static int 2139 psm_ev_close_a(struct evdev_dev *evdev) 2140 { 2141 struct psm_softc *sc = evdev_get_softc(evdev); 2142 int err = 0; 2143 2144 sc->state &= ~PSM_EV_OPEN_A; 2145 2146 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2147 return (0); 2148 2149 if (sc->state & PSM_VALID) 2150 err = psmclose(sc); 2151 2152 return (err); 2153 } 2154 #endif 2155 2156 static int 2157 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2158 { 2159 struct psm_softc *sc; 2160 int err = 0; 2161 2162 /* Get device data */ 2163 sc = dev->si_drv1; 2164 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2165 /* the device is no longer valid/functioning */ 2166 return (ENXIO); 2167 } 2168 2169 /* Disallow multiple opens */ 2170 if (sc->state & PSM_OPEN) 2171 return (EBUSY); 2172 2173 device_busy(devclass_get_device(psm_devclass, sc->unit)); 2174 2175 #ifdef EVDEV_SUPPORT 2176 /* Already opened by evdev */ 2177 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2178 #endif 2179 err = psmopen(sc); 2180 2181 if (err == 0) 2182 sc->state |= PSM_OPEN; 2183 else 2184 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2185 2186 return (err); 2187 } 2188 2189 static int 2190 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2191 { 2192 struct psm_softc *sc; 2193 int err = 0; 2194 2195 /* Get device data */ 2196 sc = dev->si_drv1; 2197 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2198 /* the device is no longer valid/functioning */ 2199 return (ENXIO); 2200 } 2201 2202 #ifdef EVDEV_SUPPORT 2203 /* Still opened by evdev */ 2204 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2205 #endif 2206 err = psmclose(sc); 2207 2208 if (err == 0) { 2209 sc->state &= ~PSM_OPEN; 2210 /* clean up and sigio requests */ 2211 if (sc->async != NULL) { 2212 funsetown(&sc->async); 2213 sc->async = NULL; 2214 } 2215 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2216 } 2217 2218 return (err); 2219 } 2220 2221 static int 2222 psmopen(struct psm_softc *sc) 2223 { 2224 int command_byte; 2225 int err; 2226 int s; 2227 2228 /* Initialize state */ 2229 sc->mode.level = sc->dflt_mode.level; 2230 sc->mode.protocol = sc->dflt_mode.protocol; 2231 sc->watchdog = FALSE; 2232 sc->async = NULL; 2233 2234 /* flush the event queue */ 2235 sc->queue.count = 0; 2236 sc->queue.head = 0; 2237 sc->queue.tail = 0; 2238 sc->status.flags = 0; 2239 sc->status.button = 0; 2240 sc->status.obutton = 0; 2241 sc->status.dx = 0; 2242 sc->status.dy = 0; 2243 sc->status.dz = 0; 2244 sc->button = 0; 2245 sc->pqueue_start = 0; 2246 sc->pqueue_end = 0; 2247 2248 /* empty input buffer */ 2249 flushpackets(sc); 2250 sc->syncerrors = 0; 2251 sc->pkterrors = 0; 2252 2253 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2254 if (!kbdc_lock(sc->kbdc, TRUE)) 2255 return (EIO); 2256 2257 /* save the current controller command byte */ 2258 s = spltty(); 2259 command_byte = get_controller_command_byte(sc->kbdc); 2260 2261 /* enable the aux port and temporalily disable the keyboard */ 2262 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2263 kbdc_get_device_mask(sc->kbdc), 2264 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2265 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2266 /* CONTROLLER ERROR; do you know how to get out of this? */ 2267 kbdc_lock(sc->kbdc, FALSE); 2268 splx(s); 2269 log(LOG_ERR, 2270 "psm%d: unable to set the command byte (psmopen).\n", 2271 sc->unit); 2272 return (EIO); 2273 } 2274 /* 2275 * Now that the keyboard controller is told not to generate 2276 * the keyboard and mouse interrupts, call `splx()' to allow 2277 * the other tty interrupts. The clock interrupt may also occur, 2278 * but timeout routines will be blocked by the poll flag set 2279 * via `kbdc_lock()' 2280 */ 2281 splx(s); 2282 2283 /* enable the mouse device */ 2284 err = doopen(sc, command_byte); 2285 2286 /* done */ 2287 kbdc_lock(sc->kbdc, FALSE); 2288 return (err); 2289 } 2290 2291 static int 2292 psmclose(struct psm_softc *sc) 2293 { 2294 int stat[3]; 2295 int command_byte; 2296 int s; 2297 2298 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2299 if (!kbdc_lock(sc->kbdc, TRUE)) 2300 return (EIO); 2301 2302 /* save the current controller command byte */ 2303 s = spltty(); 2304 command_byte = get_controller_command_byte(sc->kbdc); 2305 if (command_byte == -1) { 2306 kbdc_lock(sc->kbdc, FALSE); 2307 splx(s); 2308 return (EIO); 2309 } 2310 2311 /* disable the aux interrupt and temporalily disable the keyboard */ 2312 if (!set_controller_command_byte(sc->kbdc, 2313 kbdc_get_device_mask(sc->kbdc), 2314 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2315 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2316 log(LOG_ERR, 2317 "psm%d: failed to disable the aux int (psmclose).\n", 2318 sc->unit); 2319 /* CONTROLLER ERROR; 2320 * NOTE: we shall force our way through. Because the only 2321 * ill effect we shall see is that we may not be able 2322 * to read ACK from the mouse, and it doesn't matter much 2323 * so long as the mouse will accept the DISABLE command. 2324 */ 2325 } 2326 splx(s); 2327 2328 /* stop the watchdog timer */ 2329 callout_stop(&sc->callout); 2330 2331 /* remove anything left in the output buffer */ 2332 empty_aux_buffer(sc->kbdc, 10); 2333 2334 /* disable the aux device, port and interrupt */ 2335 if (sc->state & PSM_VALID) { 2336 if (!disable_aux_dev(sc->kbdc)) { 2337 /* MOUSE ERROR; 2338 * NOTE: we don't return (error) and continue, 2339 * pretending we have successfully disabled the device. 2340 * It's OK because the interrupt routine will discard 2341 * any data from the mouse hereafter. 2342 */ 2343 log(LOG_ERR, 2344 "psm%d: failed to disable the device (psmclose).\n", 2345 sc->unit); 2346 } 2347 2348 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2349 log(LOG_DEBUG, 2350 "psm%d: failed to get status (psmclose).\n", 2351 sc->unit); 2352 } 2353 2354 if (!set_controller_command_byte(sc->kbdc, 2355 kbdc_get_device_mask(sc->kbdc), 2356 (command_byte & KBD_KBD_CONTROL_BITS) | 2357 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2358 /* 2359 * CONTROLLER ERROR; 2360 * we shall ignore this error; see the above comment. 2361 */ 2362 log(LOG_ERR, 2363 "psm%d: failed to disable the aux port (psmclose).\n", 2364 sc->unit); 2365 } 2366 2367 /* remove anything left in the output buffer */ 2368 empty_aux_buffer(sc->kbdc, 10); 2369 2370 /* close is almost always successful */ 2371 kbdc_lock(sc->kbdc, FALSE); 2372 return (0); 2373 } 2374 2375 static int 2376 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2377 u_char *buf) 2378 { 2379 static u_char butmapps2[8] = { 2380 0, 2381 MOUSE_PS2_BUTTON1DOWN, 2382 MOUSE_PS2_BUTTON2DOWN, 2383 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2384 MOUSE_PS2_BUTTON3DOWN, 2385 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2386 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2387 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2388 MOUSE_PS2_BUTTON3DOWN, 2389 }; 2390 static u_char butmapmsc[8] = { 2391 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2392 MOUSE_MSC_BUTTON3UP, 2393 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2394 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2395 MOUSE_MSC_BUTTON3UP, 2396 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2397 MOUSE_MSC_BUTTON2UP, 2398 MOUSE_MSC_BUTTON1UP, 2399 0, 2400 }; 2401 int mapped; 2402 int i; 2403 2404 if (sc->mode.level == PSM_LEVEL_BASE) { 2405 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2406 if (status->button & MOUSE_BUTTON4DOWN) 2407 mapped |= MOUSE_BUTTON1DOWN; 2408 status->button = mapped; 2409 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2410 i = imax(imin(status->dx, 255), -256); 2411 if (i < 0) 2412 buf[0] |= MOUSE_PS2_XNEG; 2413 buf[1] = i; 2414 i = imax(imin(status->dy, 255), -256); 2415 if (i < 0) 2416 buf[0] |= MOUSE_PS2_YNEG; 2417 buf[2] = i; 2418 return (MOUSE_PS2_PACKETSIZE); 2419 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2420 buf[0] = MOUSE_MSC_SYNC | 2421 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2422 i = imax(imin(status->dx, 255), -256); 2423 buf[1] = i >> 1; 2424 buf[3] = i - buf[1]; 2425 i = imax(imin(status->dy, 255), -256); 2426 buf[2] = i >> 1; 2427 buf[4] = i - buf[2]; 2428 i = imax(imin(status->dz, 127), -128); 2429 buf[5] = (i >> 1) & 0x7f; 2430 buf[6] = (i - (i >> 1)) & 0x7f; 2431 buf[7] = (~status->button >> 3) & 0x7f; 2432 return (MOUSE_SYS_PACKETSIZE); 2433 } 2434 return (pb->inputbytes); 2435 } 2436 2437 static int 2438 psmread(struct cdev *dev, struct uio *uio, int flag) 2439 { 2440 struct psm_softc *sc = dev->si_drv1; 2441 u_char buf[PSM_SMALLBUFSIZE]; 2442 int error = 0; 2443 int s; 2444 int l; 2445 2446 if ((sc->state & PSM_VALID) == 0) 2447 return (EIO); 2448 2449 /* block until mouse activity occurred */ 2450 s = spltty(); 2451 while (sc->queue.count <= 0) { 2452 if (dev != sc->bdev) { 2453 splx(s); 2454 return (EWOULDBLOCK); 2455 } 2456 sc->state |= PSM_ASLP; 2457 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2458 sc->state &= ~PSM_ASLP; 2459 if (error) { 2460 splx(s); 2461 return (error); 2462 } else if ((sc->state & PSM_VALID) == 0) { 2463 /* the device disappeared! */ 2464 splx(s); 2465 return (EIO); 2466 } 2467 } 2468 splx(s); 2469 2470 /* copy data to the user land */ 2471 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2472 s = spltty(); 2473 l = imin(sc->queue.count, uio->uio_resid); 2474 if (l > sizeof(buf)) 2475 l = sizeof(buf); 2476 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2477 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2478 sizeof(sc->queue.buf) - sc->queue.head); 2479 bcopy(&sc->queue.buf[0], 2480 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2481 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2482 } else 2483 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2484 sc->queue.count -= l; 2485 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2486 splx(s); 2487 error = uiomove(buf, l, uio); 2488 if (error) 2489 break; 2490 } 2491 2492 return (error); 2493 } 2494 2495 static int 2496 block_mouse_data(struct psm_softc *sc, int *c) 2497 { 2498 int s; 2499 2500 if (!kbdc_lock(sc->kbdc, TRUE)) 2501 return (EIO); 2502 2503 s = spltty(); 2504 *c = get_controller_command_byte(sc->kbdc); 2505 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2506 kbdc_get_device_mask(sc->kbdc), 2507 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2508 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2509 /* this is CONTROLLER ERROR */ 2510 splx(s); 2511 kbdc_lock(sc->kbdc, FALSE); 2512 return (EIO); 2513 } 2514 2515 /* 2516 * The device may be in the middle of status data transmission. 2517 * The transmission will be interrupted, thus, incomplete status 2518 * data must be discarded. Although the aux interrupt is disabled 2519 * at the keyboard controller level, at most one aux interrupt 2520 * may have already been pending and a data byte is in the 2521 * output buffer; throw it away. Note that the second argument 2522 * to `empty_aux_buffer()' is zero, so that the call will just 2523 * flush the internal queue. 2524 * `psmintr()' will be invoked after `splx()' if an interrupt is 2525 * pending; it will see no data and returns immediately. 2526 */ 2527 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2528 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2529 flushpackets(sc); 2530 splx(s); 2531 2532 return (0); 2533 } 2534 2535 static void 2536 dropqueue(struct psm_softc *sc) 2537 { 2538 2539 sc->queue.count = 0; 2540 sc->queue.head = 0; 2541 sc->queue.tail = 0; 2542 if ((sc->state & PSM_SOFTARMED) != 0) { 2543 sc->state &= ~PSM_SOFTARMED; 2544 callout_stop(&sc->softcallout); 2545 } 2546 sc->pqueue_start = sc->pqueue_end; 2547 } 2548 2549 static void 2550 flushpackets(struct psm_softc *sc) 2551 { 2552 2553 dropqueue(sc); 2554 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2555 } 2556 2557 static int 2558 unblock_mouse_data(struct psm_softc *sc, int c) 2559 { 2560 int error = 0; 2561 2562 /* 2563 * We may have seen a part of status data during `set_mouse_XXX()'. 2564 * they have been queued; flush it. 2565 */ 2566 empty_aux_buffer(sc->kbdc, 0); 2567 2568 /* restore ports and interrupt */ 2569 if (!set_controller_command_byte(sc->kbdc, 2570 kbdc_get_device_mask(sc->kbdc), 2571 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2572 /* 2573 * CONTROLLER ERROR; this is serious, we may have 2574 * been left with the inaccessible keyboard and 2575 * the disabled mouse interrupt. 2576 */ 2577 error = EIO; 2578 } 2579 2580 kbdc_lock(sc->kbdc, FALSE); 2581 return (error); 2582 } 2583 2584 static int 2585 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2586 { 2587 struct psm_softc *sc = dev->si_drv1; 2588 u_char buf[PSM_SMALLBUFSIZE]; 2589 int error = 0, i, l; 2590 2591 if ((sc->state & PSM_VALID) == 0) 2592 return (EIO); 2593 2594 if (sc->mode.level < PSM_LEVEL_NATIVE) 2595 return (ENODEV); 2596 2597 /* copy data from the user land */ 2598 while (uio->uio_resid > 0) { 2599 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2600 error = uiomove(buf, l, uio); 2601 if (error) 2602 break; 2603 for (i = 0; i < l; i++) { 2604 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 2605 if (!write_aux_command(sc->kbdc, buf[i])) { 2606 VLOG(2, (LOG_DEBUG, 2607 "psm: cmd 0x%x failed.\n", buf[i])); 2608 return (reinitialize(sc, FALSE)); 2609 } 2610 } 2611 } 2612 2613 return (error); 2614 } 2615 2616 static int 2617 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2618 struct thread *td) 2619 { 2620 struct psm_softc *sc = dev->si_drv1; 2621 mousemode_t mode; 2622 mousestatus_t status; 2623 mousedata_t *data; 2624 int stat[3]; 2625 int command_byte; 2626 int error = 0; 2627 int s; 2628 2629 /* Perform IOCTL command */ 2630 switch (cmd) { 2631 2632 case OLD_MOUSE_GETHWINFO: 2633 s = spltty(); 2634 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2635 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2636 ((old_mousehw_t *)addr)->type = sc->hw.type; 2637 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2638 splx(s); 2639 break; 2640 2641 case MOUSE_GETHWINFO: 2642 s = spltty(); 2643 *(mousehw_t *)addr = sc->hw; 2644 if (sc->mode.level == PSM_LEVEL_BASE) 2645 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2646 splx(s); 2647 break; 2648 2649 case MOUSE_SYN_GETHWINFO: 2650 s = spltty(); 2651 if (sc->synhw.infoMajor >= 4) 2652 *(synapticshw_t *)addr = sc->synhw; 2653 else 2654 error = EINVAL; 2655 splx(s); 2656 break; 2657 2658 case OLD_MOUSE_GETMODE: 2659 s = spltty(); 2660 switch (sc->mode.level) { 2661 case PSM_LEVEL_BASE: 2662 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2663 break; 2664 case PSM_LEVEL_STANDARD: 2665 ((old_mousemode_t *)addr)->protocol = 2666 MOUSE_PROTO_SYSMOUSE; 2667 break; 2668 case PSM_LEVEL_NATIVE: 2669 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2670 break; 2671 } 2672 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2673 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2674 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2675 splx(s); 2676 break; 2677 2678 case MOUSE_GETMODE: 2679 s = spltty(); 2680 *(mousemode_t *)addr = sc->mode; 2681 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2682 ((mousemode_t *)addr)->syncmask[0] = 0; 2683 ((mousemode_t *)addr)->syncmask[1] = 0; 2684 } 2685 ((mousemode_t *)addr)->resolution = 2686 MOUSE_RES_LOW - sc->mode.resolution; 2687 switch (sc->mode.level) { 2688 case PSM_LEVEL_BASE: 2689 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2690 ((mousemode_t *)addr)->packetsize = 2691 MOUSE_PS2_PACKETSIZE; 2692 break; 2693 case PSM_LEVEL_STANDARD: 2694 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2695 ((mousemode_t *)addr)->packetsize = 2696 MOUSE_SYS_PACKETSIZE; 2697 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2698 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2699 break; 2700 case PSM_LEVEL_NATIVE: 2701 /* FIXME: this isn't quite correct... XXX */ 2702 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2703 break; 2704 } 2705 splx(s); 2706 break; 2707 2708 case OLD_MOUSE_SETMODE: 2709 case MOUSE_SETMODE: 2710 if (cmd == OLD_MOUSE_SETMODE) { 2711 mode.rate = ((old_mousemode_t *)addr)->rate; 2712 /* 2713 * resolution old I/F new I/F 2714 * default 0 0 2715 * low 1 -2 2716 * medium low 2 -3 2717 * medium high 3 -4 2718 * high 4 -5 2719 */ 2720 if (((old_mousemode_t *)addr)->resolution > 0) 2721 mode.resolution = 2722 -((old_mousemode_t *)addr)->resolution - 1; 2723 else 2724 mode.resolution = 0; 2725 mode.accelfactor = 2726 ((old_mousemode_t *)addr)->accelfactor; 2727 mode.level = -1; 2728 } else 2729 mode = *(mousemode_t *)addr; 2730 2731 /* adjust and validate parameters. */ 2732 if (mode.rate > UCHAR_MAX) 2733 return (EINVAL); 2734 if (mode.rate == 0) 2735 mode.rate = sc->dflt_mode.rate; 2736 else if (mode.rate == -1) 2737 /* don't change the current setting */ 2738 ; 2739 else if (mode.rate < 0) 2740 return (EINVAL); 2741 if (mode.resolution >= UCHAR_MAX) 2742 return (EINVAL); 2743 if (mode.resolution >= 200) 2744 mode.resolution = MOUSE_RES_HIGH; 2745 else if (mode.resolution >= 100) 2746 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2747 else if (mode.resolution >= 50) 2748 mode.resolution = MOUSE_RES_MEDIUMLOW; 2749 else if (mode.resolution > 0) 2750 mode.resolution = MOUSE_RES_LOW; 2751 if (mode.resolution == MOUSE_RES_DEFAULT) 2752 mode.resolution = sc->dflt_mode.resolution; 2753 else if (mode.resolution == -1) 2754 /* don't change the current setting */ 2755 ; 2756 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2757 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2758 if (mode.level == -1) 2759 /* don't change the current setting */ 2760 mode.level = sc->mode.level; 2761 else if ((mode.level < PSM_LEVEL_MIN) || 2762 (mode.level > PSM_LEVEL_MAX)) 2763 return (EINVAL); 2764 if (mode.accelfactor == -1) 2765 /* don't change the current setting */ 2766 mode.accelfactor = sc->mode.accelfactor; 2767 else if (mode.accelfactor < 0) 2768 return (EINVAL); 2769 2770 /* don't allow anybody to poll the keyboard controller */ 2771 error = block_mouse_data(sc, &command_byte); 2772 if (error) 2773 return (error); 2774 2775 /* set mouse parameters */ 2776 if (mode.rate > 0) 2777 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2778 mode.rate); 2779 if (mode.resolution >= 0) 2780 mode.resolution = 2781 set_mouse_resolution(sc->kbdc, mode.resolution); 2782 set_mouse_scaling(sc->kbdc, 1); 2783 get_mouse_status(sc->kbdc, stat, 0, 3); 2784 2785 s = spltty(); 2786 sc->mode.rate = mode.rate; 2787 sc->mode.resolution = mode.resolution; 2788 sc->mode.accelfactor = mode.accelfactor; 2789 sc->mode.level = mode.level; 2790 splx(s); 2791 2792 unblock_mouse_data(sc, command_byte); 2793 break; 2794 2795 case MOUSE_GETLEVEL: 2796 *(int *)addr = sc->mode.level; 2797 break; 2798 2799 case MOUSE_SETLEVEL: 2800 if ((*(int *)addr < PSM_LEVEL_MIN) || 2801 (*(int *)addr > PSM_LEVEL_MAX)) 2802 return (EINVAL); 2803 sc->mode.level = *(int *)addr; 2804 break; 2805 2806 case MOUSE_GETSTATUS: 2807 s = spltty(); 2808 status = sc->status; 2809 sc->status.flags = 0; 2810 sc->status.obutton = sc->status.button; 2811 sc->status.button = 0; 2812 sc->status.dx = 0; 2813 sc->status.dy = 0; 2814 sc->status.dz = 0; 2815 splx(s); 2816 *(mousestatus_t *)addr = status; 2817 break; 2818 2819 case MOUSE_READSTATE: 2820 case MOUSE_READDATA: 2821 data = (mousedata_t *)addr; 2822 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2823 return (EINVAL); 2824 2825 error = block_mouse_data(sc, &command_byte); 2826 if (error) 2827 return (error); 2828 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2829 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2830 error = EIO; 2831 unblock_mouse_data(sc, command_byte); 2832 break; 2833 2834 #if (defined(MOUSE_SETRESOLUTION)) 2835 case MOUSE_SETRESOLUTION: 2836 mode.resolution = *(int *)addr; 2837 if (mode.resolution >= UCHAR_MAX) 2838 return (EINVAL); 2839 else if (mode.resolution >= 200) 2840 mode.resolution = MOUSE_RES_HIGH; 2841 else if (mode.resolution >= 100) 2842 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2843 else if (mode.resolution >= 50) 2844 mode.resolution = MOUSE_RES_MEDIUMLOW; 2845 else if (mode.resolution > 0) 2846 mode.resolution = MOUSE_RES_LOW; 2847 if (mode.resolution == MOUSE_RES_DEFAULT) 2848 mode.resolution = sc->dflt_mode.resolution; 2849 else if (mode.resolution == -1) 2850 mode.resolution = sc->mode.resolution; 2851 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2852 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2853 2854 error = block_mouse_data(sc, &command_byte); 2855 if (error) 2856 return (error); 2857 sc->mode.resolution = 2858 set_mouse_resolution(sc->kbdc, mode.resolution); 2859 if (sc->mode.resolution != mode.resolution) 2860 error = EIO; 2861 unblock_mouse_data(sc, command_byte); 2862 break; 2863 #endif /* MOUSE_SETRESOLUTION */ 2864 2865 #if (defined(MOUSE_SETRATE)) 2866 case MOUSE_SETRATE: 2867 mode.rate = *(int *)addr; 2868 if (mode.rate > UCHAR_MAX) 2869 return (EINVAL); 2870 if (mode.rate == 0) 2871 mode.rate = sc->dflt_mode.rate; 2872 else if (mode.rate < 0) 2873 mode.rate = sc->mode.rate; 2874 2875 error = block_mouse_data(sc, &command_byte); 2876 if (error) 2877 return (error); 2878 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2879 if (sc->mode.rate != mode.rate) 2880 error = EIO; 2881 unblock_mouse_data(sc, command_byte); 2882 break; 2883 #endif /* MOUSE_SETRATE */ 2884 2885 #if (defined(MOUSE_SETSCALING)) 2886 case MOUSE_SETSCALING: 2887 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2888 return (EINVAL); 2889 2890 error = block_mouse_data(sc, &command_byte); 2891 if (error) 2892 return (error); 2893 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2894 error = EIO; 2895 unblock_mouse_data(sc, command_byte); 2896 break; 2897 #endif /* MOUSE_SETSCALING */ 2898 2899 #if (defined(MOUSE_GETHWID)) 2900 case MOUSE_GETHWID: 2901 error = block_mouse_data(sc, &command_byte); 2902 if (error) 2903 return (error); 2904 sc->hw.hwid &= ~0x00ff; 2905 sc->hw.hwid |= get_aux_id(sc->kbdc); 2906 *(int *)addr = sc->hw.hwid & 0x00ff; 2907 unblock_mouse_data(sc, command_byte); 2908 break; 2909 #endif /* MOUSE_GETHWID */ 2910 2911 case FIONBIO: 2912 case FIOASYNC: 2913 break; 2914 case FIOSETOWN: 2915 error = fsetown(*(int *)addr, &sc->async); 2916 break; 2917 case FIOGETOWN: 2918 *(int *) addr = fgetown(&sc->async); 2919 break; 2920 default: 2921 return (ENOTTY); 2922 } 2923 2924 return (error); 2925 } 2926 2927 static void 2928 psmtimeout(void *arg) 2929 { 2930 struct psm_softc *sc; 2931 int s; 2932 2933 sc = (struct psm_softc *)arg; 2934 s = spltty(); 2935 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2936 VLOG(6, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2937 psmintr(sc); 2938 kbdc_lock(sc->kbdc, FALSE); 2939 } 2940 sc->watchdog = TRUE; 2941 splx(s); 2942 callout_reset(&sc->callout, hz, psmtimeout, sc); 2943 } 2944 2945 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2946 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2947 "ps/2 mouse"); 2948 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2949 "ps/2 mouse"); 2950 2951 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RWTUN, &verbose, 0, 2952 "Verbosity level"); 2953 2954 static int psmhz = 20; 2955 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2956 "Frequency of the softcallout (in hz)"); 2957 static int psmerrsecs = 2; 2958 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2959 "Number of seconds during which packets will dropped after a sync error"); 2960 static int psmerrusecs = 0; 2961 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2962 "Microseconds to add to psmerrsecs"); 2963 static int psmsecs = 0; 2964 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2965 "Max number of seconds between soft interrupts"); 2966 static int psmusecs = 500000; 2967 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2968 "Microseconds to add to psmsecs"); 2969 static int pkterrthresh = 2; 2970 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2971 "Number of error packets allowed before reinitializing the mouse"); 2972 2973 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RWTUN, &tap_enabled, 0, 2974 "Enable tap and drag gestures"); 2975 static int tap_threshold = PSM_TAP_THRESHOLD; 2976 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2977 "Button tap threshold"); 2978 static int tap_timeout = PSM_TAP_TIMEOUT; 2979 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2980 "Tap timeout for touchpads"); 2981 2982 /* Tunables */ 2983 SYSCTL_INT(_hw_psm, OID_AUTO, synaptics_support, CTLFLAG_RDTUN, 2984 &synaptics_support, 0, "Enable support for Synaptics touchpads"); 2985 2986 SYSCTL_INT(_hw_psm, OID_AUTO, trackpoint_support, CTLFLAG_RDTUN, 2987 &trackpoint_support, 0, "Enable support for IBM/Lenovo TrackPoint"); 2988 2989 SYSCTL_INT(_hw_psm, OID_AUTO, elantech_support, CTLFLAG_RDTUN, 2990 &elantech_support, 0, "Enable support for Elantech touchpads"); 2991 2992 static void 2993 psmintr(void *arg) 2994 { 2995 struct psm_softc *sc = arg; 2996 struct timeval now; 2997 int c; 2998 packetbuf_t *pb; 2999 3000 if (aux_mux_is_enabled(sc->kbdc)) 3001 VLOG(2, (LOG_DEBUG, "psmintr: active multiplexing mode is not " 3002 "supported!\n")); 3003 3004 /* read until there is nothing to read */ 3005 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 3006 pb = &sc->pqueue[sc->pqueue_end]; 3007 3008 /* discard the byte if the device is not open */ 3009 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 3010 continue; 3011 3012 getmicrouptime(&now); 3013 if ((pb->inputbytes > 0) && 3014 timevalcmp(&now, &sc->inputtimeout, >)) { 3015 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 3016 "resetting byte count\n")); 3017 pb->inputbytes = 0; 3018 sc->syncerrors = 0; 3019 sc->pkterrors = 0; 3020 } 3021 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 3022 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 3023 timevaladd(&sc->inputtimeout, &now); 3024 3025 pb->ipacket[pb->inputbytes++] = c; 3026 3027 if (sc->mode.level == PSM_LEVEL_NATIVE) { 3028 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 3029 sc->syncerrors = 0; 3030 sc->pkterrors = 0; 3031 goto next; 3032 } else { 3033 if (pb->inputbytes < sc->mode.packetsize) 3034 continue; 3035 3036 VLOG(4, (LOG_DEBUG, 3037 "psmintr: %02x %02x %02x %02x %02x %02x\n", 3038 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3039 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3040 } 3041 3042 c = pb->ipacket[0]; 3043 3044 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 3045 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 3046 sc->flags &= ~PSM_NEED_SYNCBITS; 3047 VLOG(2, (LOG_DEBUG, 3048 "psmintr: Sync bytes now %04x,%04x\n", 3049 sc->mode.syncmask[0], sc->mode.syncmask[1])); 3050 } else if ((sc->config & PSM_CONFIG_NOCHECKSYNC) == 0 && 3051 (c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 3052 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 3053 "(%04x != %04x) %d cmds since last error.\n", 3054 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 3055 sc->cmdcount - sc->lasterr)); 3056 sc->lasterr = sc->cmdcount; 3057 /* 3058 * The sync byte test is a weak measure of packet 3059 * validity. Conservatively discard any input yet 3060 * to be seen by userland when we detect a sync 3061 * error since there is a good chance some of 3062 * the queued packets have undetected errors. 3063 */ 3064 dropqueue(sc); 3065 if (sc->syncerrors == 0) 3066 sc->pkterrors++; 3067 ++sc->syncerrors; 3068 sc->lastinputerr = now; 3069 if (sc->syncerrors >= sc->mode.packetsize * 2 || 3070 sc->pkterrors >= pkterrthresh) { 3071 /* 3072 * If we've failed to find a single sync byte 3073 * in 2 packets worth of data, or we've seen 3074 * persistent packet errors during the 3075 * validation period, reinitialize the mouse 3076 * in hopes of returning it to the expected 3077 * mode. 3078 */ 3079 VLOG(3, (LOG_DEBUG, 3080 "psmintr: reset the mouse.\n")); 3081 reinitialize(sc, TRUE); 3082 } else if (sc->syncerrors == sc->mode.packetsize) { 3083 /* 3084 * Try a soft reset after searching for a sync 3085 * byte through a packet length of bytes. 3086 */ 3087 VLOG(3, (LOG_DEBUG, 3088 "psmintr: re-enable the mouse.\n")); 3089 pb->inputbytes = 0; 3090 disable_aux_dev(sc->kbdc); 3091 enable_aux_dev(sc->kbdc); 3092 } else { 3093 VLOG(3, (LOG_DEBUG, 3094 "psmintr: discard a byte (%d)\n", 3095 sc->syncerrors)); 3096 pb->inputbytes--; 3097 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3098 pb->inputbytes); 3099 } 3100 continue; 3101 } 3102 3103 /* 3104 * We have what appears to be a valid packet. 3105 * Reset the error counters. 3106 */ 3107 sc->syncerrors = 0; 3108 3109 /* 3110 * Drop even good packets if they occur within a timeout 3111 * period of a sync error. This allows the detection of 3112 * a change in the mouse's packet mode without exposing 3113 * erratic mouse behavior to the user. Some KVMs forget 3114 * enhanced mouse modes during switch events. 3115 */ 3116 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3117 &now)) { 3118 pb->inputbytes = 0; 3119 continue; 3120 } 3121 3122 /* 3123 * Now that we're out of the validation period, reset 3124 * the packet error count. 3125 */ 3126 sc->pkterrors = 0; 3127 3128 sc->cmdcount++; 3129 next: 3130 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3131 sc->pqueue_end = 0; 3132 /* 3133 * If we've filled the queue then call the softintr ourselves, 3134 * otherwise schedule the interrupt for later. 3135 */ 3136 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3137 (sc->pqueue_end == sc->pqueue_start)) { 3138 if ((sc->state & PSM_SOFTARMED) != 0) { 3139 sc->state &= ~PSM_SOFTARMED; 3140 callout_stop(&sc->softcallout); 3141 } 3142 psmsoftintr(arg); 3143 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3144 sc->state |= PSM_SOFTARMED; 3145 callout_reset(&sc->softcallout, 3146 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3147 } 3148 } 3149 } 3150 3151 static void 3152 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3153 int *x, int *y, int *z) 3154 { 3155 3156 /* 3157 * PS2++ protocol packet 3158 * 3159 * b7 b6 b5 b4 b3 b2 b1 b0 3160 * byte 1: * 1 p3 p2 1 * * * 3161 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3162 * 3163 * p3-p0: packet type 3164 * c1, c2: c1 & c2 == 1, if p2 == 0 3165 * c1 & c2 == 0, if p2 == 1 3166 * 3167 * packet type: 0 (device type) 3168 * See comments in enable_mmanplus() below. 3169 * 3170 * packet type: 1 (wheel data) 3171 * 3172 * b7 b6 b5 b4 b3 b2 b1 b0 3173 * byte 3: h * B5 B4 s d2 d1 d0 3174 * 3175 * h: 1, if horizontal roller data 3176 * 0, if vertical roller data 3177 * B4, B5: button 4 and 5 3178 * s: sign bit 3179 * d2-d0: roller data 3180 * 3181 * packet type: 2 (reserved) 3182 */ 3183 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3184 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3185 /* 3186 * the extended data packet encodes button 3187 * and wheel events 3188 */ 3189 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3190 case 1: 3191 /* wheel data packet */ 3192 *x = *y = 0; 3193 if (pb->ipacket[2] & 0x80) { 3194 /* XXX horizontal roller count - ignore it */ 3195 ; 3196 } else { 3197 /* vertical roller count */ 3198 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3199 (pb->ipacket[2] & 0x0f) - 16 : 3200 (pb->ipacket[2] & 0x0f); 3201 } 3202 ms->button |= (pb->ipacket[2] & 3203 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3204 MOUSE_BUTTON4DOWN : 0; 3205 ms->button |= (pb->ipacket[2] & 3206 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3207 MOUSE_BUTTON5DOWN : 0; 3208 break; 3209 case 2: 3210 /* 3211 * this packet type is reserved by 3212 * Logitech... 3213 */ 3214 /* 3215 * IBM ScrollPoint Mouse uses this 3216 * packet type to encode both vertical 3217 * and horizontal scroll movement. 3218 */ 3219 *x = *y = 0; 3220 /* horizontal count */ 3221 if (pb->ipacket[2] & 0x0f) 3222 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3223 -2 : 2; 3224 /* vertical count */ 3225 if (pb->ipacket[2] & 0xf0) 3226 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3227 -1 : 1; 3228 break; 3229 case 0: 3230 /* device type packet - shouldn't happen */ 3231 /* FALLTHROUGH */ 3232 default: 3233 *x = *y = 0; 3234 ms->button = ms->obutton; 3235 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3236 "type %d: 0x%02x 0x%02x 0x%02x\n", 3237 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3238 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3239 break; 3240 } 3241 } else { 3242 /* preserve button states */ 3243 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3244 } 3245 } 3246 3247 static int 3248 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3249 int *x, int *y, int *z) 3250 { 3251 static int touchpad_buttons; 3252 static int guest_buttons; 3253 static int ew_finger_count; 3254 static finger_t f[PSM_FINGERS]; 3255 int w, id, nfingers, palm, ewcode, extended_buttons, clickpad_pressed; 3256 3257 extended_buttons = 0; 3258 3259 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3260 * 3261 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3262 * ------------------------------------------------ 3263 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3264 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3265 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3266 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3267 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3268 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3269 * 3270 * Legend: 3271 * L: left physical mouse button 3272 * R: right physical mouse button 3273 * D: down button 3274 * U: up button 3275 * W: "wrist" value 3276 * X: x position 3277 * Y: y position 3278 * Z: pressure 3279 * 3280 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3281 * 3282 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3283 * ------------------------------------------------------ 3284 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3285 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3286 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3287 * 3288 * Legend: 3289 * M: Middle physical mouse button 3290 * E: Extended mouse buttons reported instead of low bits of X and Y 3291 * b1-b8: Extended mouse buttons 3292 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3293 * 4 and 5, for reading X and Y value they should be zeroed. 3294 * 3295 * Absolute reportable limits: 0 - 6143. 3296 * Typical bezel limits: 1472 - 5472. 3297 * Typical edge marings: 1632 - 5312. 3298 * 3299 * w = 3 Passthrough Packet 3300 * 3301 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3302 */ 3303 3304 if (!synaptics_support) 3305 return (0); 3306 3307 /* Sanity check for out of sync packets. */ 3308 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3309 (pb->ipacket[3] & 0xc8) != 0xc0) 3310 return (-1); 3311 3312 *x = *y = 0; 3313 ms->button = ms->obutton; 3314 3315 /* 3316 * Pressure value. 3317 * Interpretation: 3318 * z = 0 No finger contact 3319 * z = 10 Finger hovering near the pad 3320 * z = 30 Very light finger contact 3321 * z = 80 Normal finger contact 3322 * z = 110 Very heavy finger contact 3323 * z = 200 Finger lying flat on pad surface 3324 * z = 255 Maximum reportable Z 3325 */ 3326 *z = pb->ipacket[2]; 3327 3328 /* 3329 * Finger width value 3330 * Interpretation: 3331 * w = 0 Two finger on the pad (capMultiFinger needed) 3332 * w = 1 Three or more fingers (capMultiFinger needed) 3333 * w = 2 Pen (instead of finger) (capPen needed) 3334 * w = 3 Reserved (passthrough?) 3335 * w = 4-7 Finger of normal width (capPalmDetect needed) 3336 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3337 * w = 15 Maximum reportable width (capPalmDetect needed) 3338 */ 3339 /* XXX Is checking capExtended enough? */ 3340 if (sc->synhw.capExtended) 3341 w = ((pb->ipacket[0] & 0x30) >> 2) | 3342 ((pb->ipacket[0] & 0x04) >> 1) | 3343 ((pb->ipacket[3] & 0x04) >> 2); 3344 else { 3345 /* Assume a finger of regular width. */ 3346 w = 4; 3347 } 3348 3349 switch (w) { 3350 case 3: 3351 /* 3352 * Handle packets from the guest device. See: 3353 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3354 */ 3355 if (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX) { 3356 *x = ((pb->ipacket[1] & 0x10) ? 3357 pb->ipacket[4] - 256 : pb->ipacket[4]); 3358 *y = ((pb->ipacket[1] & 0x20) ? 3359 pb->ipacket[5] - 256 : pb->ipacket[5]); 3360 *z = 0; 3361 3362 guest_buttons = 0; 3363 if (pb->ipacket[1] & 0x01) 3364 guest_buttons |= MOUSE_BUTTON1DOWN; 3365 if (pb->ipacket[1] & 0x04) 3366 guest_buttons |= MOUSE_BUTTON2DOWN; 3367 if (pb->ipacket[1] & 0x02) 3368 guest_buttons |= MOUSE_BUTTON3DOWN; 3369 #ifdef EVDEV_SUPPORT 3370 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3371 evdev_push_rel(sc->evdev_r, REL_X, *x); 3372 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3373 evdev_push_mouse_btn(sc->evdev_r, 3374 guest_buttons); 3375 evdev_sync(sc->evdev_r); 3376 } 3377 #endif 3378 ms->button = touchpad_buttons | guest_buttons | 3379 sc->extended_buttons; 3380 } 3381 goto SYNAPTICS_END; 3382 3383 case 2: 3384 /* Handle Extended W mode packets */ 3385 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3386 #if PSM_FINGERS > 1 3387 switch (ewcode) { 3388 case 1: 3389 /* Secondary finger */ 3390 if (sc->synhw.capAdvancedGestures) 3391 f[1] = (finger_t) { 3392 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3393 pb->ipacket[1]) << 1, 3394 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3395 pb->ipacket[2]) << 1, 3396 .p = ((pb->ipacket[3] & 0x30) | 3397 (pb->ipacket[5] & 0x0f)) << 1, 3398 .w = PSM_FINGER_DEFAULT_W, 3399 .flags = PSM_FINGER_FUZZY, 3400 }; 3401 else if (sc->synhw.capReportsV) 3402 f[1] = (finger_t) { 3403 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3404 (pb->ipacket[1] & 0xfe)) << 1, 3405 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3406 (pb->ipacket[2] & 0xfe)) << 1, 3407 .p = ((pb->ipacket[3] & 0x30) | 3408 (pb->ipacket[5] & 0x0e)) << 1, 3409 .w = (((pb->ipacket[5] & 0x01) << 2) | 3410 ((pb->ipacket[2] & 0x01) << 1) | 3411 (pb->ipacket[1] & 0x01)) + 8, 3412 .flags = PSM_FINGER_FUZZY, 3413 }; 3414 break; 3415 case 2: 3416 ew_finger_count = pb->ipacket[1] & 0x0f; 3417 default: 3418 break; 3419 } 3420 #endif 3421 goto SYNAPTICS_END; 3422 3423 case 1: 3424 if (sc->synhw.capReportsV && ew_finger_count > 3) { 3425 nfingers = ew_finger_count; 3426 break; 3427 } 3428 /* FALLTHROUGH */ 3429 case 0: 3430 nfingers = w + 2; 3431 break; 3432 3433 default: 3434 nfingers = 1; 3435 } 3436 3437 if (sc->syninfo.touchpad_off) 3438 goto SYNAPTICS_END; 3439 3440 /* Button presses */ 3441 touchpad_buttons = 0; 3442 if (pb->ipacket[0] & 0x01) 3443 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3444 if (pb->ipacket[0] & 0x02) 3445 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3446 3447 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3448 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3449 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3450 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3451 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3452 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3453 !sc->synhw.capClickPad) { 3454 /* Middle Button */ 3455 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3456 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3457 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3458 /* Extended Buttons */ 3459 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3460 if (sc->syninfo.directional_scrolls) { 3461 if (pb->ipacket[4] & 0x01) 3462 extended_buttons |= MOUSE_BUTTON4DOWN; 3463 if (pb->ipacket[5] & 0x01) 3464 extended_buttons |= MOUSE_BUTTON5DOWN; 3465 if (pb->ipacket[4] & 0x02) 3466 extended_buttons |= MOUSE_BUTTON6DOWN; 3467 if (pb->ipacket[5] & 0x02) 3468 extended_buttons |= MOUSE_BUTTON7DOWN; 3469 } else { 3470 if (pb->ipacket[4] & 0x01) 3471 extended_buttons |= MOUSE_BUTTON1DOWN; 3472 if (pb->ipacket[5] & 0x01) 3473 extended_buttons |= MOUSE_BUTTON3DOWN; 3474 if (pb->ipacket[4] & 0x02) 3475 extended_buttons |= MOUSE_BUTTON2DOWN; 3476 sc->extended_buttons = extended_buttons; 3477 } 3478 3479 /* 3480 * Zero out bits used by extended buttons to avoid 3481 * misinterpretation of the data absolute position. 3482 * 3483 * The bits represented by 3484 * 3485 * (nExtendedButtons + 1) >> 1 3486 * 3487 * will be masked out in both bytes. 3488 * The mask for n bits is computed with the formula 3489 * 3490 * (1 << n) - 1 3491 */ 3492 int maskedbits = 0; 3493 int mask = 0; 3494 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3495 mask = (1 << maskedbits) - 1; 3496 #ifdef EVDEV_SUPPORT 3497 int i; 3498 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3499 if (sc->synhw.capPassthrough) { 3500 evdev_push_mouse_btn(sc->evdev_r, 3501 extended_buttons); 3502 evdev_sync(sc->evdev_r); 3503 } 3504 for (i = 0; i < maskedbits; i++) { 3505 evdev_push_key(sc->evdev_a, 3506 BTN_0 + i * 2, 3507 pb->ipacket[4] & (1 << i)); 3508 evdev_push_key(sc->evdev_a, 3509 BTN_0 + i * 2 + 1, 3510 pb->ipacket[5] & (1 << i)); 3511 } 3512 } 3513 #endif 3514 pb->ipacket[4] &= ~(mask); 3515 pb->ipacket[5] &= ~(mask); 3516 } else if (!sc->syninfo.directional_scrolls && 3517 !sc->gesture.in_vscroll) { 3518 /* 3519 * Keep reporting MOUSE DOWN until we get a new packet 3520 * indicating otherwise. 3521 */ 3522 extended_buttons |= sc->extended_buttons; 3523 } 3524 } 3525 3526 if (sc->synhw.capReportsV && nfingers > 1) 3527 f[0] = (finger_t) { 3528 .x = ((pb->ipacket[3] & 0x10) << 8) | 3529 ((pb->ipacket[1] & 0x0f) << 8) | 3530 (pb->ipacket[4] & 0xfd), 3531 .y = ((pb->ipacket[3] & 0x20) << 7) | 3532 ((pb->ipacket[1] & 0xf0) << 4) | 3533 (pb->ipacket[5] & 0xfd), 3534 .p = *z & 0xfe, 3535 .w = (((pb->ipacket[2] & 0x01) << 2) | 3536 (pb->ipacket[5] & 0x02) | 3537 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3538 .flags = PSM_FINGER_FUZZY, 3539 }; 3540 else 3541 f[0] = (finger_t) { 3542 .x = ((pb->ipacket[3] & 0x10) << 8) | 3543 ((pb->ipacket[1] & 0x0f) << 8) | 3544 pb->ipacket[4], 3545 .y = ((pb->ipacket[3] & 0x20) << 7) | 3546 ((pb->ipacket[1] & 0xf0) << 4) | 3547 pb->ipacket[5], 3548 .p = *z, 3549 .w = w, 3550 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3551 }; 3552 3553 /* Ignore hovering and unmeasurable touches */ 3554 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3555 nfingers = 0; 3556 3557 /* Handle ClickPad */ 3558 if (sc->synhw.capClickPad) { 3559 clickpad_pressed = (pb->ipacket[0] ^ pb->ipacket[3]) & 0x01; 3560 if (sc->synhw.forcePad) { 3561 /* 3562 * Forcepads erroneously report button click if there 3563 * are 2 or more fingers on the touchpad breaking 3564 * multifinger gestures. To workaround this start 3565 * reporting a click only after 4 consecutive single 3566 * touch packets has been received. 3567 * Skip these packets in case more contacts appear. 3568 */ 3569 switch (nfingers) { 3570 case 0: 3571 sc->fpcount = 0; 3572 break; 3573 case 1: 3574 if (clickpad_pressed && sc->fpcount < INT_MAX) 3575 ++sc->fpcount; 3576 /* FALLTHROUGH */ 3577 default: 3578 if (!clickpad_pressed) 3579 sc->fpcount = 0; 3580 if (sc->fpcount >= sc->syninfo.window_min) 3581 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3582 } 3583 } else if (clickpad_pressed) 3584 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3585 } 3586 3587 for (id = 0; id < PSM_FINGERS; id++) 3588 if (id >= nfingers) 3589 PSM_FINGER_RESET(f[id]); 3590 3591 #ifdef EVDEV_SUPPORT 3592 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3593 for (id = 0; id < PSM_FINGERS; id++) { 3594 if (PSM_FINGER_IS_SET(f[id])) 3595 psm_push_mt_finger(sc, id, &f[id]); 3596 else 3597 psm_release_mt_slot(sc->evdev_a, id); 3598 } 3599 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3600 evdev_push_nfingers(sc->evdev_a, nfingers); 3601 if (nfingers > 0) 3602 psm_push_st_finger(sc, &f[0]); 3603 else 3604 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3605 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3606 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3607 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3608 touchpad_buttons & MOUSE_BUTTON4DOWN); 3609 evdev_push_key(sc->evdev_a, BTN_BACK, 3610 touchpad_buttons & MOUSE_BUTTON5DOWN); 3611 } 3612 evdev_sync(sc->evdev_a); 3613 } 3614 #endif 3615 3616 ms->button = touchpad_buttons; 3617 3618 palm = psmpalmdetect(sc, &f[0], nfingers); 3619 3620 /* Palm detection doesn't terminate the current action. */ 3621 if (!palm) 3622 psmgestures(sc, &f[0], nfingers, ms); 3623 3624 for (id = 0; id < PSM_FINGERS; id++) 3625 psmsmoother(sc, &f[id], id, ms, x, y); 3626 3627 if (palm) { 3628 *x = *y = *z = 0; 3629 ms->button = ms->obutton; 3630 return (0); 3631 } 3632 3633 ms->button |= extended_buttons | guest_buttons; 3634 3635 SYNAPTICS_END: 3636 /* 3637 * Use the extra buttons as a scrollwheel 3638 * 3639 * XXX X.Org uses the Z axis for vertical wheel only, 3640 * whereas moused(8) understands special values to differ 3641 * vertical and horizontal wheels. 3642 * 3643 * xf86-input-mouse needs therefore a small patch to 3644 * understand these special values. Without it, the 3645 * horizontal wheel acts as a vertical wheel in X.Org. 3646 * 3647 * That's why the horizontal wheel is disabled by 3648 * default for now. 3649 */ 3650 if (ms->button & MOUSE_BUTTON4DOWN) 3651 *z = -1; 3652 else if (ms->button & MOUSE_BUTTON5DOWN) 3653 *z = 1; 3654 else if (ms->button & MOUSE_BUTTON6DOWN) 3655 *z = -2; 3656 else if (ms->button & MOUSE_BUTTON7DOWN) 3657 *z = 2; 3658 else 3659 *z = 0; 3660 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3661 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3662 3663 return (0); 3664 } 3665 3666 static int 3667 proc_synaptics_mux(struct psm_softc *sc, packetbuf_t *pb) 3668 { 3669 int butt; 3670 3671 /* 3672 * Convert 3-byte interleaved mixture of Synaptics and generic mouse 3673 * packets into plain 6-byte Synaptics packet protocol. 3674 * While in hidden multiplexing mode KBC does some editing of the 3675 * packet stream. It remembers the button bits from the last packet 3676 * received from each device, and replaces the button bits of every 3677 * packet with the logical OR of all devices’ most recent button bits. 3678 * This button crosstalk should be filtered out as Synaptics and 3679 * generic mouse encode middle button presses in a different way. 3680 */ 3681 switch (pb->ipacket[0] & 0xc0) { 3682 case 0x80: /* First 3 bytes of Synaptics packet */ 3683 bcopy(pb->ipacket, sc->muxsave, 3); 3684 /* Compute middle mouse button supression timeout. */ 3685 sc->muxmidtimeout.tv_sec = 0; 3686 sc->muxmidtimeout.tv_usec = 50000; /* ~2-3 ints */ 3687 timevaladd(&sc->muxmidtimeout, &sc->lastsoftintr); 3688 return (1); 3689 3690 case 0xc0: /* Second 3 bytes of Synaptics packet */ 3691 /* Join two 3-bytes absolute packets */ 3692 bcopy(pb->ipacket, pb->ipacket + 3, 3); 3693 bcopy(sc->muxsave, pb->ipacket, 3); 3694 /* Prefer trackpoint buttons over touchpad's */ 3695 pb->ipacket[0] &= ~(0x08 | sc->muxmsbuttons); 3696 pb->ipacket[3] &= ~(0x08 | sc->muxmsbuttons); 3697 butt = (pb->ipacket[3] & 0x03) << 2 | (pb->ipacket[0] & 0x03); 3698 /* Add hysteresis to remove spurious middle button events */ 3699 if (butt != sc->muxtpbuttons && sc->fpcount < 1) { 3700 pb->ipacket[0] &= 0xfc; 3701 pb->ipacket[0] |= sc->muxtpbuttons & 0x03; 3702 pb->ipacket[3] &= 0xfc; 3703 pb->ipacket[3] |= sc->muxtpbuttons >> 2 & 0x03; 3704 ++sc->fpcount; 3705 } else { 3706 sc->fpcount = 0; 3707 sc->muxtpbuttons = butt; 3708 } 3709 /* Filter out impossible w induced by middle trackpoint btn */ 3710 if (sc->synhw.capExtended && !sc->synhw.capPassthrough && 3711 (pb->ipacket[0] & 0x34) == 0x04 && 3712 (pb->ipacket[3] & 0x04) == 0x04) { 3713 pb->ipacket[0] &= 0xfb; 3714 pb->ipacket[3] &= 0xfb; 3715 } 3716 sc->muxsave[0] &= 0x30; 3717 break; 3718 3719 default: /* Generic mouse (Trackpoint) packet */ 3720 /* Filter out middle button events induced by some w values */ 3721 if (sc->muxmsbuttons & 0x03 || pb->ipacket[0] & 0x03 || 3722 (timevalcmp(&sc->lastsoftintr, &sc->muxmidtimeout, <=) && 3723 (sc->muxsave[0] & 0x30 || sc->muxsave[2] > 8))) 3724 pb->ipacket[0] &= 0xfb; 3725 sc->muxmsbuttons = pb->ipacket[0] & 0x07; 3726 /* Convert to Synaptics pass-through protocol */ 3727 pb->ipacket[4] = pb->ipacket[1]; 3728 pb->ipacket[5] = pb->ipacket[2]; 3729 pb->ipacket[1] = pb->ipacket[0]; 3730 pb->ipacket[2] = 0; 3731 pb->ipacket[0] = 0x84 | (sc->muxtpbuttons & 0x03); 3732 pb->ipacket[3] = 0xc4 | (sc->muxtpbuttons >> 2 & 0x03); 3733 } 3734 3735 VLOG(4, (LOG_DEBUG, "synaptics: %02x %02x %02x %02x %02x %02x\n", 3736 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3737 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3738 3739 pb->inputbytes = MOUSE_SYNAPTICS_PACKETSIZE; 3740 return (0); 3741 } 3742 3743 static int 3744 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3745 { 3746 if (!( 3747 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3748 !sc->synhw.capReportsV && nfingers > 1) || 3749 (sc->synhw.capReportsV && nfingers > 2) || 3750 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3751 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3752 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3753 /* 3754 * We consider the packet irrelevant for the current 3755 * action when: 3756 * - the width isn't comprised in: 3757 * [1; max_width] 3758 * - the pressure isn't comprised in: 3759 * [min_pressure; max_pressure] 3760 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3761 */ 3762 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3763 return (1); 3764 } 3765 return (0); 3766 } 3767 3768 static void 3769 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3770 mousestatus_t *ms) 3771 { 3772 smoother_t *smoother; 3773 gesture_t *gest; 3774 finger_t *f; 3775 int y_ok, center_button, center_x, right_button, right_x, i; 3776 3777 f = &fingers[0]; 3778 smoother = &sc->smoother[0]; 3779 gest = &sc->gesture; 3780 3781 /* Find first active finger. */ 3782 if (nfingers > 0) { 3783 for (i = 0; i < PSM_FINGERS; i++) { 3784 if (PSM_FINGER_IS_SET(fingers[i])) { 3785 f = &fingers[i]; 3786 smoother = &sc->smoother[i]; 3787 break; 3788 } 3789 } 3790 } 3791 3792 /* 3793 * Check pressure to detect a real wanted action on the 3794 * touchpad. 3795 */ 3796 if (f->p >= sc->syninfo.min_pressure) { 3797 int x0, y0; 3798 int dxp, dyp; 3799 int start_x, start_y; 3800 int queue_len; 3801 int margin_top, margin_right, margin_bottom, margin_left; 3802 int window_min, window_max; 3803 int vscroll_hor_area, vscroll_ver_area; 3804 int two_finger_scroll; 3805 int max_x, max_y; 3806 int three_finger_drag; 3807 3808 /* Read sysctl. */ 3809 /* XXX Verify values? */ 3810 margin_top = sc->syninfo.margin_top; 3811 margin_right = sc->syninfo.margin_right; 3812 margin_bottom = sc->syninfo.margin_bottom; 3813 margin_left = sc->syninfo.margin_left; 3814 window_min = sc->syninfo.window_min; 3815 window_max = sc->syninfo.window_max; 3816 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3817 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3818 two_finger_scroll = sc->syninfo.two_finger_scroll; 3819 max_x = sc->syninfo.max_x; 3820 max_y = sc->syninfo.max_y; 3821 three_finger_drag = sc->syninfo.three_finger_drag; 3822 /* Read current absolute position. */ 3823 x0 = f->x; 3824 y0 = f->y; 3825 3826 /* 3827 * Limit the coordinates to the specified margins because 3828 * this area isn't very reliable. 3829 */ 3830 if (x0 <= margin_left) 3831 x0 = margin_left; 3832 else if (x0 >= max_x - margin_right) 3833 x0 = max_x - margin_right; 3834 if (y0 <= margin_bottom) 3835 y0 = margin_bottom; 3836 else if (y0 >= max_y - margin_top) 3837 y0 = max_y - margin_top; 3838 3839 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3840 x0, y0, f->p, f->w)); 3841 3842 /* 3843 * If the action is just beginning, init the structure and 3844 * compute tap timeout. 3845 */ 3846 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3847 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3848 3849 /* Initialize queue. */ 3850 gest->window_min = window_min; 3851 3852 /* Reset pressure peak. */ 3853 gest->zmax = 0; 3854 3855 /* Reset fingers count. */ 3856 gest->fingers_nb = 0; 3857 3858 /* Reset virtual scrolling state. */ 3859 gest->in_vscroll = 0; 3860 3861 /* Compute tap timeout. */ 3862 if (tap_enabled != 0) { 3863 gest->taptimeout = (struct timeval) { 3864 .tv_sec = tap_timeout / 1000000, 3865 .tv_usec = tap_timeout % 1000000, 3866 }; 3867 timevaladd( 3868 &gest->taptimeout, &sc->lastsoftintr); 3869 } else 3870 timevalclear(&gest->taptimeout); 3871 3872 sc->flags |= PSM_FLAGS_FINGERDOWN; 3873 3874 /* Smoother has not been reset yet */ 3875 queue_len = 1; 3876 start_x = x0; 3877 start_y = y0; 3878 } else { 3879 queue_len = smoother->queue_len + 1; 3880 start_x = smoother->start_x; 3881 start_y = smoother->start_y; 3882 } 3883 3884 /* Process ClickPad softbuttons */ 3885 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3886 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3887 start_y < sc->syninfo.softbuttons_y : 3888 start_y > max_y + sc->syninfo.softbuttons_y; 3889 3890 center_button = MOUSE_BUTTON2DOWN; 3891 center_x = sc->syninfo.softbutton2_x; 3892 right_button = MOUSE_BUTTON3DOWN; 3893 right_x = sc->syninfo.softbutton3_x; 3894 3895 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3896 center_button = MOUSE_BUTTON3DOWN; 3897 center_x = sc->syninfo.softbutton3_x; 3898 right_button = MOUSE_BUTTON2DOWN; 3899 right_x = sc->syninfo.softbutton2_x; 3900 } 3901 3902 if (right_x > 0 && start_x > right_x && y_ok) 3903 ms->button = (ms->button & 3904 ~MOUSE_BUTTON1DOWN) | right_button; 3905 else if (center_x > 0 && start_x > center_x && y_ok) 3906 ms->button = (ms->button & 3907 ~MOUSE_BUTTON1DOWN) | center_button; 3908 } 3909 3910 /* If in tap-hold or three fingers, add the recorded button. */ 3911 if (gest->in_taphold || (nfingers == 3 && three_finger_drag)) 3912 ms->button |= gest->tap_button; 3913 3914 /* 3915 * For tap, we keep the maximum number of fingers and the 3916 * pressure peak. Also with multiple fingers, we increase 3917 * the minimum window. 3918 */ 3919 if (nfingers > 1) 3920 gest->window_min = window_max; 3921 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3922 gest->zmax = imax(f->p, gest->zmax); 3923 3924 /* Do we have enough packets to consider this a gesture? */ 3925 if (queue_len < gest->window_min) 3926 return; 3927 3928 dyp = -1; 3929 dxp = -1; 3930 3931 /* Is a scrolling action occurring? */ 3932 if (!gest->in_taphold && !ms->button && 3933 (!gest->in_vscroll || two_finger_scroll)) { 3934 /* 3935 * A scrolling action must not conflict with a tap 3936 * action. Here are the conditions to consider a 3937 * scrolling action: 3938 * - the action in a configurable area 3939 * - one of the following: 3940 * . the distance between the last packet and the 3941 * first should be above a configurable minimum 3942 * . tap timed out 3943 */ 3944 dxp = abs(x0 - start_x); 3945 dyp = abs(y0 - start_y); 3946 3947 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3948 dxp >= sc->syninfo.vscroll_min_delta || 3949 dyp >= sc->syninfo.vscroll_min_delta) { 3950 /* 3951 * Handle two finger scrolling. 3952 * Note that we don't rely on fingers_nb 3953 * as that keeps the maximum number of fingers. 3954 */ 3955 if (two_finger_scroll) { 3956 if (nfingers == 2) { 3957 gest->in_vscroll += 3958 dyp ? 2 : 0; 3959 gest->in_vscroll += 3960 dxp ? 1 : 0; 3961 } 3962 } else { 3963 /* Check for horizontal scrolling. */ 3964 if ((vscroll_hor_area > 0 && 3965 start_y <= vscroll_hor_area) || 3966 (vscroll_hor_area < 0 && 3967 start_y >= 3968 max_y + vscroll_hor_area)) 3969 gest->in_vscroll += 2; 3970 3971 /* Check for vertical scrolling. */ 3972 if ((vscroll_ver_area > 0 && 3973 start_x <= vscroll_ver_area) || 3974 (vscroll_ver_area < 0 && 3975 start_x >= 3976 max_x + vscroll_ver_area)) 3977 gest->in_vscroll += 1; 3978 } 3979 3980 /* Avoid conflicts if area overlaps. */ 3981 if (gest->in_vscroll >= 3) 3982 gest->in_vscroll = 3983 (dxp > dyp) ? 2 : 1; 3984 } 3985 } 3986 /* 3987 * Reset two finger scrolling when the number of fingers 3988 * is different from two or any button is pressed. 3989 */ 3990 if (two_finger_scroll && gest->in_vscroll != 0 && 3991 (nfingers != 2 || ms->button)) 3992 gest->in_vscroll = 0; 3993 3994 VLOG(5, (LOG_DEBUG, 3995 "synaptics: virtual scrolling: %s " 3996 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3997 gest->in_vscroll ? "YES" : "NO", 3998 gest->in_vscroll, dxp, dyp, 3999 gest->fingers_nb)); 4000 4001 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4002 /* 4003 * An action is currently taking place but the pressure 4004 * dropped under the minimum, putting an end to it. 4005 */ 4006 int taphold_timeout, dx, dy, tap_max_delta; 4007 4008 dx = abs(smoother->queue[smoother->queue_cursor].x - 4009 smoother->start_x); 4010 dy = abs(smoother->queue[smoother->queue_cursor].y - 4011 smoother->start_y); 4012 4013 /* Max delta is disabled for multi-fingers tap. */ 4014 if (gest->fingers_nb > 1) 4015 tap_max_delta = imax(dx, dy); 4016 else 4017 tap_max_delta = sc->syninfo.tap_max_delta; 4018 4019 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4020 4021 /* Check for tap. */ 4022 VLOG(3, (LOG_DEBUG, 4023 "synaptics: zmax=%d, dx=%d, dy=%d, " 4024 "delta=%d, fingers=%d, queue=%d\n", 4025 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 4026 smoother->queue_len)); 4027 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 4028 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 4029 dx <= tap_max_delta && dy <= tap_max_delta && 4030 smoother->queue_len >= sc->syninfo.tap_min_queue) { 4031 /* 4032 * We have a tap if: 4033 * - the maximum pressure went over tap_threshold 4034 * - the action ended before tap_timeout 4035 * 4036 * To handle tap-hold, we must delay any button push to 4037 * the next action. 4038 */ 4039 if (gest->in_taphold) { 4040 /* 4041 * This is the second and last tap of a 4042 * double tap action, not a tap-hold. 4043 */ 4044 gest->in_taphold = 0; 4045 4046 /* 4047 * For double-tap to work: 4048 * - no button press is emitted (to 4049 * simulate a button release) 4050 * - PSM_FLAGS_FINGERDOWN is set to 4051 * force the next packet to emit a 4052 * button press) 4053 */ 4054 VLOG(2, (LOG_DEBUG, 4055 "synaptics: button RELEASE: %d\n", 4056 gest->tap_button)); 4057 sc->flags |= PSM_FLAGS_FINGERDOWN; 4058 4059 /* Schedule button press on next interrupt */ 4060 sc->idletimeout.tv_sec = psmhz > 1 ? 4061 0 : 1; 4062 sc->idletimeout.tv_usec = psmhz > 1 ? 4063 1000000 / psmhz : 0; 4064 } else { 4065 /* 4066 * This is the first tap: we set the 4067 * tap-hold state and notify the button 4068 * down event. 4069 */ 4070 gest->in_taphold = 1; 4071 taphold_timeout = sc->syninfo.taphold_timeout; 4072 gest->taptimeout.tv_sec = taphold_timeout / 4073 1000000; 4074 gest->taptimeout.tv_usec = taphold_timeout % 4075 1000000; 4076 sc->idletimeout = gest->taptimeout; 4077 timevaladd(&gest->taptimeout, 4078 &sc->lastsoftintr); 4079 4080 switch (gest->fingers_nb) { 4081 case 3: 4082 gest->tap_button = 4083 MOUSE_BUTTON2DOWN; 4084 break; 4085 case 2: 4086 gest->tap_button = 4087 MOUSE_BUTTON3DOWN; 4088 break; 4089 default: 4090 gest->tap_button = 4091 MOUSE_BUTTON1DOWN; 4092 } 4093 VLOG(2, (LOG_DEBUG, 4094 "synaptics: button PRESS: %d\n", 4095 gest->tap_button)); 4096 ms->button |= gest->tap_button; 4097 } 4098 } else { 4099 /* 4100 * Not enough pressure or timeout: reset 4101 * tap-hold state. 4102 */ 4103 if (gest->in_taphold) { 4104 VLOG(2, (LOG_DEBUG, 4105 "synaptics: button RELEASE: %d\n", 4106 gest->tap_button)); 4107 gest->in_taphold = 0; 4108 } else { 4109 VLOG(2, (LOG_DEBUG, 4110 "synaptics: not a tap-hold\n")); 4111 } 4112 } 4113 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 4114 /* 4115 * For a tap-hold to work, the button must remain down at 4116 * least until timeout (where the in_taphold flags will be 4117 * cleared) or during the next action. 4118 */ 4119 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 4120 ms->button |= gest->tap_button; 4121 } else { 4122 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 4123 gest->tap_button)); 4124 gest->in_taphold = 0; 4125 } 4126 } 4127 4128 return; 4129 } 4130 4131 static void 4132 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 4133 mousestatus_t *ms, int *x, int *y) 4134 { 4135 smoother_t *smoother = &sc->smoother[smoother_id]; 4136 gesture_t *gest = &(sc->gesture); 4137 4138 /* 4139 * Check pressure to detect a real wanted action on the 4140 * touchpad. 4141 */ 4142 if (f->p >= sc->syninfo.min_pressure) { 4143 int x0, y0; 4144 int cursor, peer, window; 4145 int dx, dy, dxp, dyp; 4146 int max_width, max_pressure; 4147 int margin_top, margin_right, margin_bottom, margin_left; 4148 int na_top, na_right, na_bottom, na_left; 4149 int window_min, window_max; 4150 int multiplicator; 4151 int weight_current, weight_previous, weight_len_squared; 4152 int div_min, div_max, div_len; 4153 int vscroll_hor_area, vscroll_ver_area; 4154 int two_finger_scroll; 4155 int max_x, max_y; 4156 int len, weight_prev_x, weight_prev_y; 4157 int div_max_x, div_max_y, div_x, div_y; 4158 int is_fuzzy; 4159 int natural_scroll; 4160 4161 /* Read sysctl. */ 4162 /* XXX Verify values? */ 4163 max_width = sc->syninfo.max_width; 4164 max_pressure = sc->syninfo.max_pressure; 4165 margin_top = sc->syninfo.margin_top; 4166 margin_right = sc->syninfo.margin_right; 4167 margin_bottom = sc->syninfo.margin_bottom; 4168 margin_left = sc->syninfo.margin_left; 4169 na_top = sc->syninfo.na_top; 4170 na_right = sc->syninfo.na_right; 4171 na_bottom = sc->syninfo.na_bottom; 4172 na_left = sc->syninfo.na_left; 4173 window_min = sc->syninfo.window_min; 4174 window_max = sc->syninfo.window_max; 4175 multiplicator = sc->syninfo.multiplicator; 4176 weight_current = sc->syninfo.weight_current; 4177 weight_previous = sc->syninfo.weight_previous; 4178 weight_len_squared = sc->syninfo.weight_len_squared; 4179 div_min = sc->syninfo.div_min; 4180 div_max = sc->syninfo.div_max; 4181 div_len = sc->syninfo.div_len; 4182 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 4183 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 4184 two_finger_scroll = sc->syninfo.two_finger_scroll; 4185 max_x = sc->syninfo.max_x; 4186 max_y = sc->syninfo.max_y; 4187 natural_scroll = sc->syninfo.natural_scroll; 4188 4189 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 4190 4191 /* Read current absolute position. */ 4192 x0 = f->x; 4193 y0 = f->y; 4194 4195 /* 4196 * Limit the coordinates to the specified margins because 4197 * this area isn't very reliable. 4198 */ 4199 if (x0 <= margin_left) 4200 x0 = margin_left; 4201 else if (x0 >= max_x - margin_right) 4202 x0 = max_x - margin_right; 4203 if (y0 <= margin_bottom) 4204 y0 = margin_bottom; 4205 else if (y0 >= max_y - margin_top) 4206 y0 = max_y - margin_top; 4207 4208 /* If the action is just beginning, init the structure. */ 4209 if (smoother->active == 0) { 4210 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4211 4212 /* Store the first point of this action. */ 4213 smoother->start_x = x0; 4214 smoother->start_y = y0; 4215 dx = dy = 0; 4216 4217 /* Initialize queue. */ 4218 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4219 smoother->queue_len = 0; 4220 4221 /* Reset average. */ 4222 smoother->avg_dx = 0; 4223 smoother->avg_dy = 0; 4224 4225 /* Reset squelch. */ 4226 smoother->squelch_x = 0; 4227 smoother->squelch_y = 0; 4228 4229 /* Activate queue */ 4230 smoother->active = 1; 4231 } else { 4232 /* Calculate the current delta. */ 4233 cursor = smoother->queue_cursor; 4234 dx = x0 - smoother->queue[cursor].x; 4235 dy = y0 - smoother->queue[cursor].y; 4236 } 4237 4238 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4239 smoother_id, x0, y0, f->p, f->w)); 4240 4241 /* Queue this new packet. */ 4242 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4243 smoother->queue[cursor].x = x0; 4244 smoother->queue[cursor].y = y0; 4245 smoother->queue_cursor = cursor; 4246 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4247 smoother->queue_len++; 4248 VLOG(5, (LOG_DEBUG, 4249 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4250 smoother_id, cursor, x0, y0, dx, dy)); 4251 4252 /* Do we have enough packets to consider this a movement? */ 4253 if (smoother->queue_len < gest->window_min) 4254 return; 4255 4256 weight_prev_x = weight_prev_y = weight_previous; 4257 div_max_x = div_max_y = div_max; 4258 4259 if (gest->in_vscroll) { 4260 /* Dividers are different with virtual scrolling. */ 4261 div_min = sc->syninfo.vscroll_div_min; 4262 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4263 } else { 4264 /* 4265 * There's a lot of noise in coordinates when 4266 * the finger is on the touchpad's borders. When 4267 * using this area, we apply a special weight and 4268 * div. 4269 */ 4270 if (x0 <= na_left || x0 >= max_x - na_right) { 4271 weight_prev_x = sc->syninfo.weight_previous_na; 4272 div_max_x = sc->syninfo.div_max_na; 4273 } 4274 4275 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4276 weight_prev_y = sc->syninfo.weight_previous_na; 4277 div_max_y = sc->syninfo.div_max_na; 4278 } 4279 } 4280 4281 /* 4282 * Calculate weights for the average operands and 4283 * the divisor. Both depend on the distance between 4284 * the current packet and a previous one (based on the 4285 * window width). 4286 */ 4287 window = imin(smoother->queue_len, window_max); 4288 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4289 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4290 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4291 len = (dxp * dxp) + (dyp * dyp); 4292 weight_prev_x = imin(weight_prev_x, 4293 weight_len_squared * weight_prev_x / len); 4294 weight_prev_y = imin(weight_prev_y, 4295 weight_len_squared * weight_prev_y / len); 4296 4297 len = (dxp + dyp) / 2; 4298 div_x = div_len * div_max_x / len; 4299 div_x = imin(div_max_x, div_x); 4300 div_x = imax(div_min, div_x); 4301 div_y = div_len * div_max_y / len; 4302 div_y = imin(div_max_y, div_y); 4303 div_y = imax(div_min, div_y); 4304 4305 VLOG(3, (LOG_DEBUG, 4306 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4307 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4308 div_x, div_y)); 4309 4310 /* Compute averages. */ 4311 smoother->avg_dx = 4312 (weight_current * dx * multiplicator + 4313 weight_prev_x * smoother->avg_dx) / 4314 (weight_current + weight_prev_x); 4315 4316 smoother->avg_dy = 4317 (weight_current * dy * multiplicator + 4318 weight_prev_y * smoother->avg_dy) / 4319 (weight_current + weight_prev_y); 4320 4321 VLOG(5, (LOG_DEBUG, 4322 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4323 smoother->avg_dx / multiplicator, 4324 smoother->avg_dy / multiplicator)); 4325 4326 /* Use these averages to calculate x & y. */ 4327 smoother->squelch_x += smoother->avg_dx; 4328 dxp = smoother->squelch_x / (div_x * multiplicator); 4329 smoother->squelch_x = smoother->squelch_x % 4330 (div_x * multiplicator); 4331 4332 smoother->squelch_y += smoother->avg_dy; 4333 dyp = smoother->squelch_y / (div_y * multiplicator); 4334 smoother->squelch_y = smoother->squelch_y % 4335 (div_y * multiplicator); 4336 4337 switch(gest->in_vscroll) { 4338 case 0: /* Pointer movement. */ 4339 /* On real<->fuzzy finger switch the x/y pos jumps */ 4340 if (is_fuzzy == smoother->is_fuzzy) { 4341 *x += dxp; 4342 *y += dyp; 4343 } 4344 4345 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4346 smoother_id, dx, dy, dxp, dyp)); 4347 break; 4348 case 1: /* Vertical scrolling. */ 4349 if (dyp != 0) { 4350 if (two_finger_scroll && natural_scroll) 4351 ms->button |= (dyp > 0) ? 4352 MOUSE_BUTTON5DOWN : MOUSE_BUTTON4DOWN; 4353 else 4354 ms->button |= (dyp > 0) ? 4355 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4356 } 4357 break; 4358 case 2: /* Horizontal scrolling. */ 4359 if (dxp != 0) { 4360 if (two_finger_scroll && natural_scroll) 4361 ms->button |= (dxp > 0) ? 4362 MOUSE_BUTTON6DOWN : MOUSE_BUTTON7DOWN; 4363 else 4364 ms->button |= (dxp > 0) ? 4365 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4366 } 4367 break; 4368 } 4369 4370 smoother->is_fuzzy = is_fuzzy; 4371 4372 } else { 4373 /* 4374 * Deactivate queue. Note: We can not just reset queue here 4375 * as these values are still used by gesture processor. 4376 * So postpone reset till next touch. 4377 */ 4378 smoother->active = 0; 4379 } 4380 } 4381 4382 static int 4383 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4384 int *x, int *y, int *z) 4385 { 4386 static int touchpad_button, trackpoint_button; 4387 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4388 int pkt, id, scale, i, nfingers, mask, palm; 4389 4390 if (!elantech_support) 4391 return (0); 4392 4393 /* Determine packet format and do a sanity check for out of sync packets. */ 4394 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4395 pkt = ELANTECH_PKT_NOP; 4396 else if (sc->elanhw.hastrackpoint && ELANTECH_PKT_IS_TRACKPOINT(pb)) 4397 pkt = ELANTECH_PKT_TRACKPOINT; 4398 else 4399 switch (sc->elanhw.hwversion) { 4400 case 2: 4401 if (!ELANTECH_PKT_IS_V2(pb)) 4402 return (-1); 4403 4404 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4405 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4406 break; 4407 case 3: 4408 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4409 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4410 return (-1); 4411 4412 pkt = ELANTECH_PKT_V3; 4413 break; 4414 case 4: 4415 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4416 return (-1); 4417 4418 switch (pb->ipacket[3] & 0x03) { 4419 case 0x00: 4420 pkt = ELANTECH_PKT_V4_STATUS; 4421 break; 4422 case 0x01: 4423 pkt = ELANTECH_PKT_V4_HEAD; 4424 break; 4425 case 0x02: 4426 pkt = ELANTECH_PKT_V4_MOTION; 4427 break; 4428 default: 4429 return (-1); 4430 } 4431 break; 4432 default: 4433 return (-1); 4434 } 4435 4436 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4437 4438 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4439 PSM_FINGER_RESET(f[id]); 4440 4441 *x = *y = *z = 0; 4442 ms->button = ms->obutton; 4443 4444 if (sc->syninfo.touchpad_off) 4445 return (0); 4446 4447 /* Common legend 4448 * L: Left mouse button pressed 4449 * R: Right mouse button pressed 4450 * N: number of fingers on touchpad 4451 * X: absolute x value (horizontal) 4452 * Y: absolute y value (vertical) 4453 * W; width of the finger touch 4454 * P: pressure 4455 */ 4456 switch (pkt) { 4457 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4458 /* 7 6 5 4 3 2 1 0 (LSB) 4459 * ------------------------------------------- 4460 * ipacket[0]: N1 N0 W3 W2 . . R L 4461 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4462 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4463 * ipacket[3]: N4 VF W1 W0 . . . B2 4464 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4465 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4466 * ------------------------------------------- 4467 * N4: set if more than 3 fingers (only in 3 fingers mode) 4468 * VF: a kind of flag? (only on EF123, 0 when finger 4469 * is over one of the buttons, 1 otherwise) 4470 * B2: (on EF113 only, 0 otherwise), one button pressed 4471 * P & W is not reported on EF113 touchpads 4472 */ 4473 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4474 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4475 nfingers = 4; 4476 4477 if (nfingers == 0) { 4478 mask = (1 << nfingers) - 1; /* = 0x00 */ 4479 break; 4480 } 4481 4482 /* Map 3-rd and 4-th fingers to first finger */ 4483 mask = (1 << 1) - 1; /* = 0x01 */ 4484 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4485 if (sc->elanhw.haspressure) { 4486 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4487 ((pb->ipacket[3] & 0x30) >> 4); 4488 } else { 4489 f[0].p = PSM_FINGER_DEFAULT_P; 4490 f[0].w = PSM_FINGER_DEFAULT_W; 4491 } 4492 4493 /* 4494 * HW v2 dont report exact finger positions when 3 or more 4495 * fingers are on touchpad. 4496 */ 4497 if (nfingers > 2) 4498 f[0].flags = PSM_FINGER_FUZZY; 4499 4500 break; 4501 4502 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4503 /* 7 6 5 4 3 2 1 0 (LSB) 4504 * ------------------------------------------- 4505 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4506 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4507 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4508 * ipacket[3]: . . BY8 BX8 . . . . 4509 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4510 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4511 * ------------------------------------------- 4512 * AX: lower-left finger absolute x value 4513 * AY: lower-left finger absolute y value 4514 * BX: upper-right finger absolute x value 4515 * BY: upper-right finger absolute y value 4516 */ 4517 nfingers = 2; 4518 mask = (1 << nfingers) - 1; 4519 4520 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4521 f[id] = (finger_t) { 4522 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4523 pb->ipacket[id * 3 + 1]) << 2, 4524 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4525 pb->ipacket[id * 3 + 2]) << 2, 4526 .p = PSM_FINGER_DEFAULT_P, 4527 .w = PSM_FINGER_DEFAULT_W, 4528 /* HW ver.2 sends bounding box */ 4529 .flags = PSM_FINGER_FUZZY 4530 }; 4531 break; 4532 4533 case ELANTECH_PKT_V3: /* HW Version 3 */ 4534 /* 7 6 5 4 3 2 1 0 (LSB) 4535 * ------------------------------------------- 4536 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4537 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4538 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4539 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4540 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4541 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4542 * ------------------------------------------- 4543 */ 4544 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4545 /* Map 3-rd finger to first finger */ 4546 id = nfingers > 2 ? 0 : nfingers - 1; 4547 mask = (1 << (id + 1)) - 1; 4548 4549 if (nfingers == 0) 4550 break; 4551 4552 fn = ELANTECH_FINGER_SET_XYP(pb); 4553 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4554 ((pb->ipacket[3] & 0x30) >> 4); 4555 4556 /* 4557 * HW v3 dont report exact finger positions when 3 or more 4558 * fingers are on touchpad. 4559 */ 4560 if (nfingers > 1) 4561 fn.flags = PSM_FINGER_FUZZY; 4562 4563 if (nfingers == 2) { 4564 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4565 sc->elanaction.fingers[0] = fn; 4566 return (0); 4567 } else 4568 f[0] = sc->elanaction.fingers[0]; 4569 } 4570 f[id] = fn; 4571 break; 4572 4573 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4574 /* 7 6 5 4 3 2 1 0 (LSB) 4575 * ------------------------------------------- 4576 * ipacket[0]: . . . . 0 1 R L 4577 * ipacket[1]: . . . F4 F3 F2 F1 F0 4578 * ipacket[2]: . . . . . . . . 4579 * ipacket[3]: . . . 1 0 0 0 0 4580 * ipacket[4]: PL . . . . . . . 4581 * ipacket[5]: . . . . . . . . 4582 * ------------------------------------------- 4583 * Fn: finger n is on touchpad 4584 * PL: palm 4585 * HV ver4 sends a status packet to indicate that the numbers 4586 * or identities of the fingers has been changed 4587 */ 4588 4589 mask = pb->ipacket[1] & 0x1f; 4590 nfingers = bitcount(mask); 4591 4592 if (sc->elanaction.mask_v4wait != 0) 4593 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4594 " when not all previous head packets received\n")); 4595 4596 /* Bitmap of fingers to receive before gesture processing */ 4597 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4598 4599 /* Skip "new finger is on touchpad" packets */ 4600 if (sc->elanaction.mask_v4wait) { 4601 sc->elanaction.mask = mask; 4602 return (0); 4603 } 4604 4605 break; 4606 4607 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4608 /* 7 6 5 4 3 2 1 0 (LSB) 4609 * ------------------------------------------- 4610 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4611 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4612 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4613 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4614 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4615 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4616 * ------------------------------------------- 4617 * ID: finger id 4618 * HW ver 4 sends head packets in two cases: 4619 * 1. One finger touch and movement. 4620 * 2. Next after status packet to tell new finger positions. 4621 */ 4622 mask = sc->elanaction.mask; 4623 nfingers = bitcount(mask); 4624 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4625 fn = ELANTECH_FINGER_SET_XYP(pb); 4626 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4627 4628 if (id < 0) 4629 return (0); 4630 4631 /* Packet is finger position update. Report it */ 4632 if (sc->elanaction.mask_v4wait == 0) { 4633 if (id < ELANTECH_MAX_FINGERS) 4634 f[id] = fn; 4635 break; 4636 } 4637 4638 /* Remove finger from waiting bitmap and store into context */ 4639 sc->elanaction.mask_v4wait &= ~(1 << id); 4640 if (id < ELANTECH_MAX_FINGERS) 4641 sc->elanaction.fingers[id] = fn; 4642 4643 /* Wait for other fingers if needed */ 4644 if (sc->elanaction.mask_v4wait != 0) 4645 return (0); 4646 4647 /* All new fingers are received. Report them from context */ 4648 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4649 if (sc->elanaction.mask & (1 << id)) 4650 f[id] = sc->elanaction.fingers[id]; 4651 4652 break; 4653 4654 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4655 /* 7 6 5 4 3 2 1 0 (LSB) 4656 * ------------------------------------------- 4657 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4658 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4659 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4660 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4661 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4662 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4663 * ------------------------------------------- 4664 * OF: delta overflows (> 127 or < -128), in this case 4665 * firmware sends us (delta x / 5) and (delta y / 5) 4666 * ID: finger id 4667 * DX: delta x (two's complement) 4668 * XY: delta y (two's complement) 4669 * byte 0 ~ 2 for one finger 4670 * byte 3 ~ 5 for another finger 4671 */ 4672 mask = sc->elanaction.mask; 4673 nfingers = bitcount(mask); 4674 4675 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4676 for (i = 0; i <= 3; i += 3) { 4677 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4678 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4679 continue; 4680 4681 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4682 f[id] = sc->elanaction.fingers[id]; 4683 f[id].x += imax(-f[id].x, 4684 (signed char)pb->ipacket[i+1] * scale); 4685 f[id].y += imax(-f[id].y, 4686 (signed char)pb->ipacket[i+2] * scale); 4687 } else { 4688 VLOG(3, (LOG_DEBUG, "elantech: " 4689 "HW v4 motion packet skipped\n")); 4690 } 4691 } 4692 4693 break; 4694 4695 case ELANTECH_PKT_TRACKPOINT: 4696 /* 7 6 5 4 3 2 1 0 (LSB) 4697 * ------------------------------------------- 4698 * ipacket[0]: 0 0 SY SX 0 M R L 4699 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4700 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4701 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4702 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4703 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4704 * ------------------------------------------- 4705 * X and Y are written in two's complement spread 4706 * over 9 bits with SX/SY the relative top bit and 4707 * X7..X0 and Y7..Y0 the lower bits. 4708 */ 4709 if (!(pb->ipacket[0] & 0xC8) && !(pb->ipacket[1] & 0x7F) && 4710 !(pb->ipacket[2] & 0x7F) && !(pb->ipacket[3] & 0xC9) && 4711 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[1] & 0x80) && 4712 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[3] & 0x10) && 4713 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[2] & 0x80) && 4714 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[3] & 0x20)) { 4715 4716 *x = (pb->ipacket[0] & MOUSE_PS2_XNEG) ? 4717 pb->ipacket[4] - 256 : pb->ipacket[4]; 4718 *y = (pb->ipacket[0] & MOUSE_PS2_YNEG) ? 4719 pb->ipacket[5] - 256 : pb->ipacket[5]; 4720 4721 trackpoint_button = 4722 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4723 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0) | 4724 ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); 4725 #ifdef EVDEV_SUPPORT 4726 evdev_push_rel(sc->evdev_r, REL_X, *x); 4727 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 4728 evdev_push_mouse_btn(sc->evdev_r, trackpoint_button); 4729 evdev_sync(sc->evdev_r); 4730 #endif 4731 ms->button = touchpad_button | trackpoint_button; 4732 } else 4733 VLOG(3, (LOG_DEBUG, "elantech: " 4734 "unexpected trackpoint packet skipped\n")); 4735 return (0); 4736 4737 case ELANTECH_PKT_NOP: 4738 return (0); 4739 4740 default: 4741 return (-1); 4742 } 4743 4744 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4745 if (PSM_FINGER_IS_SET(f[id])) 4746 VLOG(2, (LOG_DEBUG, "elantech: " 4747 "finger %d: down [%d, %d], %d, %d, %d\n", id + 1, 4748 f[id].x, f[id].y, f[id].p, f[id].w, f[id].flags)); 4749 4750 /* Touchpad button presses */ 4751 if (sc->elanhw.isclickpad) { 4752 touchpad_button = 4753 ((pb->ipacket[0] & 0x03) ? MOUSE_BUTTON1DOWN : 0); 4754 } else { 4755 touchpad_button = 4756 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4757 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); 4758 } 4759 4760 #ifdef EVDEV_SUPPORT 4761 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 4762 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4763 if (PSM_FINGER_IS_SET(f[id])) { 4764 psm_push_mt_finger(sc, id, &f[id]); 4765 /* Convert touch width to surface units */ 4766 evdev_push_abs(sc->evdev_a, ABS_MT_TOUCH_MAJOR, 4767 f[id].w * sc->elanhw.dptracex); 4768 } 4769 if (sc->elanaction.mask & (1 << id) && 4770 !(mask & (1 << id))) 4771 psm_release_mt_slot(sc->evdev_a, id); 4772 } 4773 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 4774 evdev_push_nfingers(sc->evdev_a, nfingers); 4775 if (nfingers > 0) { 4776 if (PSM_FINGER_IS_SET(f[0])) 4777 psm_push_st_finger(sc, &f[0]); 4778 } else 4779 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 4780 evdev_push_mouse_btn(sc->evdev_a, touchpad_button); 4781 evdev_sync(sc->evdev_a); 4782 } 4783 #endif 4784 4785 ms->button = touchpad_button | trackpoint_button; 4786 4787 /* Palm detection doesn't terminate the current action. */ 4788 palm = psmpalmdetect(sc, &f[0], nfingers); 4789 4790 /* Send finger 1 position to gesture processor */ 4791 if ((PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) || 4792 nfingers == 0) && !palm) 4793 psmgestures(sc, &f[0], imin(nfingers, 3), ms); 4794 4795 /* Send fingers positions to movement smoothers */ 4796 for (id = 0; id < PSM_FINGERS; id++) 4797 if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id))) 4798 psmsmoother(sc, &f[id], id, ms, x, y); 4799 4800 /* Store current finger positions in action context */ 4801 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4802 if (PSM_FINGER_IS_SET(f[id])) 4803 sc->elanaction.fingers[id] = f[id]; 4804 if ((sc->elanaction.mask & (1 << id)) && !(mask & (1 << id))) 4805 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 4806 } 4807 sc->elanaction.mask = mask; 4808 4809 if (palm) { 4810 *x = *y = *z = 0; 4811 ms->button = ms->obutton; 4812 return (0); 4813 } 4814 4815 /* Use the extra buttons as a scrollwheel */ 4816 if (ms->button & MOUSE_BUTTON4DOWN) 4817 *z = -1; 4818 else if (ms->button & MOUSE_BUTTON5DOWN) 4819 *z = 1; 4820 else if (ms->button & MOUSE_BUTTON6DOWN) 4821 *z = -2; 4822 else if (ms->button & MOUSE_BUTTON7DOWN) 4823 *z = 2; 4824 else 4825 *z = 0; 4826 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 4827 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 4828 4829 return (0); 4830 } 4831 4832 static void 4833 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4834 int *x, int *y, int *z) 4835 { 4836 static int butmap_versapad[8] = { 4837 0, 4838 MOUSE_BUTTON3DOWN, 4839 0, 4840 MOUSE_BUTTON3DOWN, 4841 MOUSE_BUTTON1DOWN, 4842 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4843 MOUSE_BUTTON1DOWN, 4844 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 4845 }; 4846 int c, x0, y0; 4847 4848 /* VersaPad PS/2 absolute mode message format 4849 * 4850 * [packet1] 7 6 5 4 3 2 1 0(LSB) 4851 * ipacket[0]: 1 1 0 A 1 L T R 4852 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 4853 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 4854 * ipacket[3]: 1 1 1 A 1 L T R 4855 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 4856 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 4857 * 4858 * [note] 4859 * R: right physical mouse button (1=on) 4860 * T: touch pad virtual button (1=tapping) 4861 * L: left physical mouse button (1=on) 4862 * A: position data is valid (1=valid) 4863 * H: horizontal data (12bit signed integer. H11 is sign bit.) 4864 * V: vertical data (12bit signed integer. V11 is sign bit.) 4865 * P: pressure data 4866 * 4867 * Tapping is mapped to MOUSE_BUTTON4. 4868 */ 4869 c = pb->ipacket[0]; 4870 *x = *y = 0; 4871 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 4872 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 4873 if (c & MOUSE_PS2VERSA_IN_USE) { 4874 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 4875 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 4876 if (x0 & 0x800) 4877 x0 -= 0x1000; 4878 if (y0 & 0x800) 4879 y0 -= 0x1000; 4880 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4881 *x = sc->xold - x0; 4882 *y = y0 - sc->yold; 4883 if (*x < 0) /* XXX */ 4884 ++*x; 4885 else if (*x) 4886 --*x; 4887 if (*y < 0) 4888 ++*y; 4889 else if (*y) 4890 --*y; 4891 } else 4892 sc->flags |= PSM_FLAGS_FINGERDOWN; 4893 sc->xold = x0; 4894 sc->yold = y0; 4895 } else 4896 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4897 } 4898 4899 static void 4900 psmsoftintridle(void *arg) 4901 { 4902 struct psm_softc *sc = arg; 4903 packetbuf_t *pb; 4904 4905 /* Invoke soft handler only when pqueue is empty. Otherwise it will be 4906 * invoked from psmintr soon with pqueue filled with real data */ 4907 if (sc->pqueue_start == sc->pqueue_end && 4908 sc->idlepacket.inputbytes > 0) { 4909 /* Grow circular queue backwards to avoid race with psmintr */ 4910 if (--sc->pqueue_start < 0) 4911 sc->pqueue_start = PSM_PACKETQUEUE - 1; 4912 4913 pb = &sc->pqueue[sc->pqueue_start]; 4914 memcpy(pb, &sc->idlepacket, sizeof(packetbuf_t)); 4915 VLOG(4, (LOG_DEBUG, 4916 "psmsoftintridle: %02x %02x %02x %02x %02x %02x\n", 4917 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 4918 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 4919 4920 psmsoftintr(arg); 4921 } 4922 } 4923 4924 static void 4925 psmsoftintr(void *arg) 4926 { 4927 /* 4928 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 4929 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 4930 */ 4931 static int butmap[8] = { 4932 0, 4933 MOUSE_BUTTON1DOWN, 4934 MOUSE_BUTTON3DOWN, 4935 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4936 MOUSE_BUTTON2DOWN, 4937 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 4938 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 4939 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 4940 }; 4941 struct psm_softc *sc = arg; 4942 mousestatus_t ms; 4943 packetbuf_t *pb; 4944 int x, y, z, c, l, s; 4945 4946 getmicrouptime(&sc->lastsoftintr); 4947 4948 s = spltty(); 4949 4950 do { 4951 pb = &sc->pqueue[sc->pqueue_start]; 4952 4953 if (sc->mode.level == PSM_LEVEL_NATIVE) 4954 goto next_native; 4955 4956 c = pb->ipacket[0]; 4957 /* 4958 * A kludge for Kensington device! 4959 * The MSB of the horizontal count appears to be stored in 4960 * a strange place. 4961 */ 4962 if (sc->hw.model == MOUSE_MODEL_THINK) 4963 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 4964 4965 /* ignore the overflow bits... */ 4966 x = (c & MOUSE_PS2_XNEG) ? 4967 pb->ipacket[1] - 256 : pb->ipacket[1]; 4968 y = (c & MOUSE_PS2_YNEG) ? 4969 pb->ipacket[2] - 256 : pb->ipacket[2]; 4970 z = 0; 4971 ms.obutton = sc->button; /* previous button state */ 4972 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 4973 /* `tapping' action */ 4974 if (sc->config & PSM_CONFIG_FORCETAP) 4975 ms.button |= ((c & MOUSE_PS2_TAP)) ? 4976 0 : MOUSE_BUTTON4DOWN; 4977 timevalclear(&sc->idletimeout); 4978 sc->idlepacket.inputbytes = 0; 4979 4980 switch (sc->hw.model) { 4981 4982 case MOUSE_MODEL_EXPLORER: 4983 /* 4984 * b7 b6 b5 b4 b3 b2 b1 b0 4985 * byte 1: oy ox sy sx 1 M R L 4986 * byte 2: x x x x x x x x 4987 * byte 3: y y y y y y y y 4988 * byte 4: * * S2 S1 s d2 d1 d0 4989 * 4990 * L, M, R, S1, S2: left, middle, right and side buttons 4991 * s: wheel data sign bit 4992 * d2-d0: wheel data 4993 */ 4994 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4995 (pb->ipacket[3] & 0x0f) - 16 : 4996 (pb->ipacket[3] & 0x0f); 4997 ms.button |= 4998 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4999 MOUSE_BUTTON4DOWN : 0; 5000 ms.button |= 5001 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 5002 MOUSE_BUTTON5DOWN : 0; 5003 break; 5004 5005 case MOUSE_MODEL_INTELLI: 5006 case MOUSE_MODEL_NET: 5007 /* wheel data is in the fourth byte */ 5008 z = (char)pb->ipacket[3]; 5009 /* 5010 * XXX some mice may send 7 when there is no Z movement? */ 5011 if ((z >= 7) || (z <= -7)) 5012 z = 0; 5013 /* some compatible mice have additional buttons */ 5014 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 5015 MOUSE_BUTTON4DOWN : 0; 5016 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 5017 MOUSE_BUTTON5DOWN : 0; 5018 break; 5019 5020 case MOUSE_MODEL_MOUSEMANPLUS: 5021 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 5022 break; 5023 5024 case MOUSE_MODEL_GLIDEPOINT: 5025 /* `tapping' action */ 5026 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 5027 MOUSE_BUTTON4DOWN; 5028 break; 5029 5030 case MOUSE_MODEL_NETSCROLL: 5031 /* 5032 * three additional bytes encode buttons and 5033 * wheel events 5034 */ 5035 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 5036 MOUSE_BUTTON4DOWN : 0; 5037 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 5038 MOUSE_BUTTON5DOWN : 0; 5039 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 5040 pb->ipacket[4] - 256 : pb->ipacket[4]; 5041 break; 5042 5043 case MOUSE_MODEL_THINK: 5044 /* the fourth button state in the first byte */ 5045 ms.button |= (c & MOUSE_PS2_TAP) ? 5046 MOUSE_BUTTON4DOWN : 0; 5047 break; 5048 5049 case MOUSE_MODEL_VERSAPAD: 5050 proc_versapad(sc, pb, &ms, &x, &y, &z); 5051 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 5052 ((y < 0) ? MOUSE_PS2_YNEG : 0); 5053 break; 5054 5055 case MOUSE_MODEL_4D: 5056 /* 5057 * b7 b6 b5 b4 b3 b2 b1 b0 5058 * byte 1: s2 d2 s1 d1 1 M R L 5059 * byte 2: sx x x x x x x x 5060 * byte 3: sy y y y y y y y 5061 * 5062 * s1: wheel 1 direction 5063 * d1: wheel 1 data 5064 * s2: wheel 2 direction 5065 * d2: wheel 2 data 5066 */ 5067 x = (pb->ipacket[1] & 0x80) ? 5068 pb->ipacket[1] - 256 : pb->ipacket[1]; 5069 y = (pb->ipacket[2] & 0x80) ? 5070 pb->ipacket[2] - 256 : pb->ipacket[2]; 5071 switch (c & MOUSE_4D_WHEELBITS) { 5072 case 0x10: 5073 z = 1; 5074 break; 5075 case 0x30: 5076 z = -1; 5077 break; 5078 case 0x40: /* XXX 2nd wheel turning right */ 5079 z = 2; 5080 break; 5081 case 0xc0: /* XXX 2nd wheel turning left */ 5082 z = -2; 5083 break; 5084 } 5085 break; 5086 5087 case MOUSE_MODEL_4DPLUS: 5088 if ((x < 16 - 256) && (y < 16 - 256)) { 5089 /* 5090 * b7 b6 b5 b4 b3 b2 b1 b0 5091 * byte 1: 0 0 1 1 1 M R L 5092 * byte 2: 0 0 0 0 1 0 0 0 5093 * byte 3: 0 0 0 0 S s d1 d0 5094 * 5095 * L, M, R, S: left, middle, right, 5096 * and side buttons 5097 * s: wheel data sign bit 5098 * d1-d0: wheel data 5099 */ 5100 x = y = 0; 5101 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 5102 ms.button |= MOUSE_BUTTON4DOWN; 5103 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 5104 ((pb->ipacket[2] & 0x07) - 8) : 5105 (pb->ipacket[2] & 0x07) ; 5106 } else { 5107 /* preserve previous button states */ 5108 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 5109 } 5110 break; 5111 5112 case MOUSE_MODEL_SYNAPTICS: 5113 if (pb->inputbytes == MOUSE_PS2_PACKETSIZE) 5114 if (proc_synaptics_mux(sc, pb)) 5115 goto next; 5116 5117 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) { 5118 VLOG(3, (LOG_DEBUG, "synaptics: " 5119 "packet rejected\n")); 5120 goto next; 5121 } 5122 break; 5123 5124 case MOUSE_MODEL_ELANTECH: 5125 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) { 5126 VLOG(3, (LOG_DEBUG, "elantech: " 5127 "packet rejected\n")); 5128 goto next; 5129 } 5130 break; 5131 5132 case MOUSE_MODEL_TRACKPOINT: 5133 case MOUSE_MODEL_GENERIC: 5134 default: 5135 break; 5136 } 5137 5138 #ifdef EVDEV_SUPPORT 5139 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 5140 sc->hw.model != MOUSE_MODEL_ELANTECH && 5141 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5142 evdev_push_rel(sc->evdev_r, REL_X, x); 5143 evdev_push_rel(sc->evdev_r, REL_Y, -y); 5144 5145 switch (sc->hw.model) { 5146 case MOUSE_MODEL_EXPLORER: 5147 case MOUSE_MODEL_INTELLI: 5148 case MOUSE_MODEL_NET: 5149 case MOUSE_MODEL_NETSCROLL: 5150 case MOUSE_MODEL_4DPLUS: 5151 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5152 break; 5153 case MOUSE_MODEL_MOUSEMANPLUS: 5154 case MOUSE_MODEL_4D: 5155 switch (z) { 5156 case 1: 5157 case -1: 5158 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5159 break; 5160 case 2: 5161 case -2: 5162 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 5163 break; 5164 } 5165 break; 5166 } 5167 5168 evdev_push_mouse_btn(sc->evdev_r, ms.button); 5169 evdev_sync(sc->evdev_r); 5170 } 5171 #endif 5172 5173 /* scale values */ 5174 if (sc->mode.accelfactor >= 1) { 5175 if (x != 0) { 5176 x = x * x / sc->mode.accelfactor; 5177 if (x == 0) 5178 x = 1; 5179 if (c & MOUSE_PS2_XNEG) 5180 x = -x; 5181 } 5182 if (y != 0) { 5183 y = y * y / sc->mode.accelfactor; 5184 if (y == 0) 5185 y = 1; 5186 if (c & MOUSE_PS2_YNEG) 5187 y = -y; 5188 } 5189 } 5190 5191 /* Store last packet for reinjection if it has not been set already */ 5192 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 5193 sc->idlepacket = *pb; 5194 5195 ms.dx = x; 5196 ms.dy = y; 5197 ms.dz = z; 5198 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 5199 (ms.obutton ^ ms.button); 5200 5201 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 5202 5203 sc->status.flags |= ms.flags; 5204 sc->status.dx += ms.dx; 5205 sc->status.dy += ms.dy; 5206 sc->status.dz += ms.dz; 5207 sc->status.button = ms.button; 5208 sc->button = ms.button; 5209 5210 next_native: 5211 sc->watchdog = FALSE; 5212 5213 /* queue data */ 5214 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 5215 l = imin(pb->inputbytes, 5216 sizeof(sc->queue.buf) - sc->queue.tail); 5217 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 5218 if (pb->inputbytes > l) 5219 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 5220 pb->inputbytes - l); 5221 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 5222 sizeof(sc->queue.buf); 5223 sc->queue.count += pb->inputbytes; 5224 } 5225 5226 next: 5227 pb->inputbytes = 0; 5228 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 5229 sc->pqueue_start = 0; 5230 } while (sc->pqueue_start != sc->pqueue_end); 5231 5232 if (sc->state & PSM_ASLP) { 5233 sc->state &= ~PSM_ASLP; 5234 wakeup(sc); 5235 } 5236 selwakeuppri(&sc->rsel, PZERO); 5237 if (sc->async != NULL) { 5238 pgsigio(&sc->async, SIGIO, 0); 5239 } 5240 sc->state &= ~PSM_SOFTARMED; 5241 5242 /* schedule injection of predefined packet after idletimeout 5243 * if no data packets have been received from psmintr */ 5244 if (timevalisset(&sc->idletimeout)) { 5245 sc->state |= PSM_SOFTARMED; 5246 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5247 psmsoftintridle, sc); 5248 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5249 tvtohz(&sc->idletimeout))); 5250 } 5251 splx(s); 5252 } 5253 5254 static int 5255 psmpoll(struct cdev *dev, int events, struct thread *td) 5256 { 5257 struct psm_softc *sc = dev->si_drv1; 5258 int s; 5259 int revents = 0; 5260 5261 /* Return true if a mouse event available */ 5262 s = spltty(); 5263 if (events & (POLLIN | POLLRDNORM)) { 5264 if (sc->queue.count > 0) 5265 revents |= events & (POLLIN | POLLRDNORM); 5266 else 5267 selrecord(td, &sc->rsel); 5268 } 5269 splx(s); 5270 5271 return (revents); 5272 } 5273 5274 /* vendor/model specific routines */ 5275 5276 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5277 { 5278 if (set_mouse_resolution(kbdc, res) != res) 5279 return (FALSE); 5280 if (set_mouse_scaling(kbdc, scale) && 5281 set_mouse_scaling(kbdc, scale) && 5282 set_mouse_scaling(kbdc, scale) && 5283 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5284 return (TRUE); 5285 return (FALSE); 5286 } 5287 5288 static int 5289 mouse_ext_command(KBDC kbdc, int command) 5290 { 5291 int c; 5292 5293 c = (command >> 6) & 0x03; 5294 if (set_mouse_resolution(kbdc, c) != c) 5295 return (FALSE); 5296 c = (command >> 4) & 0x03; 5297 if (set_mouse_resolution(kbdc, c) != c) 5298 return (FALSE); 5299 c = (command >> 2) & 0x03; 5300 if (set_mouse_resolution(kbdc, c) != c) 5301 return (FALSE); 5302 c = (command >> 0) & 0x03; 5303 if (set_mouse_resolution(kbdc, c) != c) 5304 return (FALSE); 5305 return (TRUE); 5306 } 5307 5308 #ifdef notyet 5309 /* Logitech MouseMan Cordless II */ 5310 static int 5311 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5312 { 5313 KBDC kbdc = sc->kbdc; 5314 int status[3]; 5315 int ch; 5316 5317 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5318 return (FALSE); 5319 if (status[1] == PSMD_RES_HIGH) 5320 return (FALSE); 5321 ch = (status[0] & 0x07) - 1; /* channel # */ 5322 if ((ch <= 0) || (ch > 4)) 5323 return (FALSE); 5324 /* 5325 * status[1]: always one? 5326 * status[2]: battery status? (0-100) 5327 */ 5328 return (TRUE); 5329 } 5330 #endif /* notyet */ 5331 5332 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5333 static int 5334 enable_groller(struct psm_softc *sc, enum probearg arg) 5335 { 5336 KBDC kbdc = sc->kbdc; 5337 int status[3]; 5338 5339 /* 5340 * The special sequence to enable the fourth button and the 5341 * roller. Immediately after this sequence check status bytes. 5342 * if the mouse is NetScroll, the second and the third bytes are 5343 * '3' and 'D'. 5344 */ 5345 5346 /* 5347 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5348 * look like the following. 5349 * 5350 * byte 1 bit 7 always 0 5351 * bit 6 stream mode (0) 5352 * bit 5 disabled (0) 5353 * bit 4 1:1 scaling (0) 5354 * bit 3 always 0 5355 * bit 0-2 button status 5356 * byte 2 resolution (PSMD_RES_HIGH) 5357 * byte 3 report rate (?) 5358 */ 5359 5360 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5361 return (FALSE); 5362 if ((status[1] != '3') || (status[2] != 'D')) 5363 return (FALSE); 5364 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5365 if (arg == PROBE) 5366 sc->hw.buttons = 4; 5367 return (TRUE); 5368 } 5369 5370 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5371 static int 5372 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5373 { 5374 KBDC kbdc = sc->kbdc; 5375 int status[3]; 5376 5377 /* 5378 * The special sequence to enable the middle, "rubber" button. 5379 * Immediately after this sequence check status bytes. 5380 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5381 * the second and the third bytes are '3' and 'U'. 5382 * NOTE: NetMouse reports that it has three buttons although it has 5383 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5384 * say they have three buttons too and they do have a button on the 5385 * side... 5386 */ 5387 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5388 return (FALSE); 5389 if ((status[1] != '3') || (status[2] != 'U')) 5390 return (FALSE); 5391 return (TRUE); 5392 } 5393 5394 /* ALPS GlidePoint */ 5395 static int 5396 enable_aglide(struct psm_softc *sc, enum probearg arg) 5397 { 5398 KBDC kbdc = sc->kbdc; 5399 int status[3]; 5400 5401 /* 5402 * The special sequence to obtain ALPS GlidePoint specific 5403 * information. Immediately after this sequence, status bytes will 5404 * contain something interesting. 5405 * NOTE: ALPS produces several models of GlidePoint. Some of those 5406 * do not respond to this sequence, thus, cannot be detected this way. 5407 */ 5408 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5409 return (FALSE); 5410 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5411 return (FALSE); 5412 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5413 return (FALSE); 5414 return (TRUE); 5415 } 5416 5417 /* Kensington ThinkingMouse/Trackball */ 5418 static int 5419 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5420 { 5421 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5422 KBDC kbdc = sc->kbdc; 5423 int status[3]; 5424 int id1; 5425 int id2; 5426 int i; 5427 5428 id1 = get_aux_id(kbdc); 5429 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5430 return (FALSE); 5431 /* 5432 * The device is now in the native mode? It returns a different 5433 * ID value... 5434 */ 5435 id2 = get_aux_id(kbdc); 5436 if ((id1 == id2) || (id2 != 2)) 5437 return (FALSE); 5438 5439 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5440 return (FALSE); 5441 #if PSM_DEBUG >= 2 5442 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5443 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5444 return (FALSE); 5445 #endif 5446 5447 /* 5448 * The special sequence to enable the third and fourth buttons. 5449 * Otherwise they behave like the first and second buttons. 5450 */ 5451 for (i = 0; i < nitems(rate); ++i) 5452 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5453 return (FALSE); 5454 5455 /* 5456 * At this point, the device is using default resolution and 5457 * sampling rate for the native mode. 5458 */ 5459 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5460 return (FALSE); 5461 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5462 return (FALSE); 5463 5464 /* the device appears be enabled by this sequence, diable it for now */ 5465 disable_aux_dev(kbdc); 5466 empty_aux_buffer(kbdc, 5); 5467 5468 return (TRUE); 5469 } 5470 5471 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5472 static int 5473 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5474 { 5475 KBDC kbdc = sc->kbdc; 5476 int data[3]; 5477 5478 /* the special sequence to enable the fourth button and the roller. */ 5479 /* 5480 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5481 * must be called exactly three times since the last RESET command 5482 * before this sequence. XXX 5483 */ 5484 if (!set_mouse_scaling(kbdc, 1)) 5485 return (FALSE); 5486 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5487 return (FALSE); 5488 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5489 return (FALSE); 5490 5491 /* 5492 * PS2++ protocol, packet type 0 5493 * 5494 * b7 b6 b5 b4 b3 b2 b1 b0 5495 * byte 1: * 1 p3 p2 1 * * * 5496 * byte 2: 1 1 p1 p0 m1 m0 1 0 5497 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5498 * 5499 * p3-p0: packet type: 0 5500 * m7-m0: model ID: MouseMan+:0x50, 5501 * FirstMouse+:0x51, 5502 * ScrollPoint:0x58... 5503 */ 5504 /* check constant bits */ 5505 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5506 return (FALSE); 5507 if ((data[1] & 0xc3) != 0xc2) 5508 return (FALSE); 5509 /* check d3-d0 in byte 2 */ 5510 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5511 return (FALSE); 5512 /* check p3-p0 */ 5513 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5514 return (FALSE); 5515 5516 if (arg == PROBE) { 5517 sc->hw.hwid &= 0x00ff; 5518 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5519 } 5520 5521 /* 5522 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5523 * the wheel and the fourth button events are encoded in the 5524 * special data packet. The mouse may be put in the IntelliMouse mode 5525 * if it is initialized by the IntelliMouse's method. 5526 */ 5527 return (TRUE); 5528 } 5529 5530 /* MS IntelliMouse Explorer */ 5531 static int 5532 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5533 { 5534 KBDC kbdc = sc->kbdc; 5535 static u_char rate0[] = { 200, 100, 80, }; 5536 static u_char rate1[] = { 200, 200, 80, }; 5537 int id; 5538 int i; 5539 5540 /* 5541 * This is needed for at least A4Tech X-7xx mice - they do not go 5542 * straight to Explorer mode, but need to be set to Intelli mode 5543 * first. 5544 */ 5545 enable_msintelli(sc, arg); 5546 5547 /* the special sequence to enable the extra buttons and the roller. */ 5548 for (i = 0; i < nitems(rate1); ++i) 5549 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5550 return (FALSE); 5551 /* the device will give the genuine ID only after the above sequence */ 5552 id = get_aux_id(kbdc); 5553 if (id != PSM_EXPLORER_ID) 5554 return (FALSE); 5555 5556 if (arg == PROBE) { 5557 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5558 sc->hw.hwid = id; 5559 } 5560 5561 /* 5562 * XXX: this is a kludge to fool some KVM switch products 5563 * which think they are clever enough to know the 4-byte IntelliMouse 5564 * protocol, and assume any other protocols use 3-byte packets. 5565 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5566 * correctly to the host computer because of this! 5567 * The following sequence is actually IntelliMouse's "wake up" 5568 * sequence; it will make the KVM think the mouse is IntelliMouse 5569 * when it is in fact IntelliMouse Explorer. 5570 */ 5571 for (i = 0; i < nitems(rate0); ++i) 5572 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5573 break; 5574 get_aux_id(kbdc); 5575 5576 return (TRUE); 5577 } 5578 5579 /* 5580 * MS IntelliMouse 5581 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5582 * probe routine and act like IntelliMouse. 5583 */ 5584 static int 5585 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5586 { 5587 KBDC kbdc = sc->kbdc; 5588 static u_char rate[] = { 200, 100, 80, }; 5589 int id; 5590 int i; 5591 5592 /* the special sequence to enable the third button and the roller. */ 5593 for (i = 0; i < nitems(rate); ++i) 5594 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5595 return (FALSE); 5596 /* the device will give the genuine ID only after the above sequence */ 5597 id = get_aux_id(kbdc); 5598 if (id != PSM_INTELLI_ID) 5599 return (FALSE); 5600 5601 if (arg == PROBE) { 5602 sc->hw.buttons = 3; 5603 sc->hw.hwid = id; 5604 } 5605 5606 return (TRUE); 5607 } 5608 5609 /* 5610 * A4 Tech 4D Mouse 5611 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5612 */ 5613 static int 5614 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5615 { 5616 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5617 KBDC kbdc = sc->kbdc; 5618 int id; 5619 int i; 5620 5621 for (i = 0; i < nitems(rate); ++i) 5622 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5623 return (FALSE); 5624 id = get_aux_id(kbdc); 5625 /* 5626 * WinEasy 4D, 4 Way Scroll 4D: 6 5627 * Cable-Free 4D: 8 (4DPLUS) 5628 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5629 */ 5630 if (id != PSM_4DMOUSE_ID) 5631 return (FALSE); 5632 5633 if (arg == PROBE) { 5634 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5635 sc->hw.hwid = id; 5636 } 5637 5638 return (TRUE); 5639 } 5640 5641 /* 5642 * A4 Tech 4D+ Mouse 5643 * Newer wheel mice from A4 Tech seem to use this protocol. 5644 * Older models are recognized as either 4D Mouse or IntelliMouse. 5645 */ 5646 static int 5647 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5648 { 5649 KBDC kbdc = sc->kbdc; 5650 int id; 5651 5652 /* 5653 * enable_4dmouse() already issued the following ID sequence... 5654 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5655 int i; 5656 5657 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5658 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5659 return (FALSE); 5660 */ 5661 5662 id = get_aux_id(kbdc); 5663 switch (id) { 5664 case PSM_4DPLUS_ID: 5665 break; 5666 case PSM_4DPLUS_RFSW35_ID: 5667 break; 5668 default: 5669 return (FALSE); 5670 } 5671 5672 if (arg == PROBE) { 5673 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5674 sc->hw.hwid = id; 5675 } 5676 5677 return (TRUE); 5678 } 5679 5680 /* Synaptics Touchpad */ 5681 static int 5682 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5683 { 5684 struct psm_softc *sc; 5685 int error, arg; 5686 5687 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5688 oidp->oid_arg2 > SYNAPTICS_SYSCTL_LAST) 5689 return (EINVAL); 5690 5691 sc = oidp->oid_arg1; 5692 5693 /* Read the current value. */ 5694 arg = *(int *)((char *)sc + oidp->oid_arg2); 5695 error = sysctl_handle_int(oidp, &arg, 0, req); 5696 5697 /* Sanity check. */ 5698 if (error || !req->newptr) 5699 return (error); 5700 5701 /* 5702 * Check that the new value is in the concerned node's range 5703 * of values. 5704 */ 5705 switch (oidp->oid_arg2) { 5706 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5707 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5708 if (arg < 0 || arg > 255) 5709 return (EINVAL); 5710 break; 5711 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5712 if (arg < 4 || arg > 15) 5713 return (EINVAL); 5714 break; 5715 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5716 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5717 case SYNAPTICS_SYSCTL_NA_TOP: 5718 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5719 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5720 return (EINVAL); 5721 break; 5722 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5723 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5724 /* Softbuttons is clickpad only feature */ 5725 if (!sc->synhw.capClickPad && arg != 0) 5726 return (EINVAL); 5727 /* FALLTHROUGH */ 5728 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5729 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5730 case SYNAPTICS_SYSCTL_NA_RIGHT: 5731 case SYNAPTICS_SYSCTL_NA_LEFT: 5732 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5733 return (EINVAL); 5734 break; 5735 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5736 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5737 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5738 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5739 return (EINVAL); 5740 break; 5741 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5742 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5743 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5744 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5745 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5746 case SYNAPTICS_SYSCTL_DIV_MIN: 5747 case SYNAPTICS_SYSCTL_DIV_MAX: 5748 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5749 case SYNAPTICS_SYSCTL_DIV_LEN: 5750 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5751 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5752 if (arg < 1) 5753 return (EINVAL); 5754 break; 5755 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5756 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5757 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5758 if (arg < 0) 5759 return (EINVAL); 5760 break; 5761 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5762 if (arg < -sc->synhw.maximumXCoord || 5763 arg > sc->synhw.maximumXCoord) 5764 return (EINVAL); 5765 break; 5766 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5767 /* Softbuttons is clickpad only feature */ 5768 if (!sc->synhw.capClickPad && arg != 0) 5769 return (EINVAL); 5770 /* FALLTHROUGH */ 5771 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5772 if (arg < -sc->synhw.maximumYCoord || 5773 arg > sc->synhw.maximumYCoord) 5774 return (EINVAL); 5775 break; 5776 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5777 case SYNAPTICS_SYSCTL_THREE_FINGER_DRAG: 5778 case SYNAPTICS_SYSCTL_NATURAL_SCROLL: 5779 if (arg < 0 || arg > 1) 5780 return (EINVAL); 5781 break; 5782 default: 5783 return (EINVAL); 5784 } 5785 5786 /* Update. */ 5787 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5788 5789 return (error); 5790 } 5791 5792 static void 5793 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5794 { 5795 /* 5796 * Set predefined sizes for softbuttons. 5797 * Values are taken to match HP Pavilion dv6 clickpad drawings 5798 * with thin middle softbutton placed on separator 5799 */ 5800 5801 /* hw.psm.synaptics.softbuttons_y */ 5802 sc->syninfo.softbuttons_y = sc->synhw.topButtonPad ? -1700 : 1700; 5803 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5804 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5805 "softbuttons_y", 5806 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5807 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5808 synaptics_sysctl, "I", 5809 "Vertical size of softbuttons area"); 5810 5811 /* hw.psm.synaptics.softbutton2_x */ 5812 sc->syninfo.softbutton2_x = 3100; 5813 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5814 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5815 "softbutton2_x", 5816 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5817 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5818 synaptics_sysctl, "I", 5819 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5820 5821 /* hw.psm.synaptics.softbutton3_x */ 5822 sc->syninfo.softbutton3_x = 3900; 5823 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5824 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5825 "softbutton3_x", 5826 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5827 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5828 synaptics_sysctl, "I", 5829 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5830 } 5831 5832 static void 5833 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5834 const char *descr) 5835 { 5836 5837 if (sc->syninfo.sysctl_tree != NULL) 5838 return; 5839 5840 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5841 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5842 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5843 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, 5844 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, descr); 5845 5846 /* hw.psm.synaptics.directional_scrolls. */ 5847 sc->syninfo.directional_scrolls = 0; 5848 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5849 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5850 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5851 &sc->syninfo.directional_scrolls, 0, 5852 "Enable hardware scrolling pad (if non-zero) or register it as " 5853 "extended buttons (if 0)"); 5854 5855 /* hw.psm.synaptics.max_x. */ 5856 sc->syninfo.max_x = 6143; 5857 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5858 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5859 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5860 &sc->syninfo.max_x, 0, 5861 "Horizontal reporting range"); 5862 5863 /* hw.psm.synaptics.max_y. */ 5864 sc->syninfo.max_y = 6143; 5865 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5866 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5867 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5868 &sc->syninfo.max_y, 0, 5869 "Vertical reporting range"); 5870 5871 /* 5872 * Turn off two finger scroll if we have a 5873 * physical area reserved for scrolling or when 5874 * there's no multi finger support. 5875 */ 5876 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5877 sc->synhw.capAdvancedGestures == 0)) 5878 sc->syninfo.two_finger_scroll = 0; 5879 else 5880 sc->syninfo.two_finger_scroll = 1; 5881 /* hw.psm.synaptics.two_finger_scroll. */ 5882 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5883 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5884 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5885 &sc->syninfo.two_finger_scroll, 0, 5886 "Enable two finger scrolling"); 5887 5888 /* hw.psm.synaptics.min_pressure. */ 5889 sc->syninfo.min_pressure = 32; 5890 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5891 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5892 "min_pressure", 5893 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5894 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5895 synaptics_sysctl, "I", 5896 "Minimum pressure required to start an action"); 5897 5898 /* hw.psm.synaptics.max_pressure. */ 5899 sc->syninfo.max_pressure = 220; 5900 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5901 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5902 "max_pressure", 5903 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5904 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5905 synaptics_sysctl, "I", 5906 "Maximum pressure to detect palm"); 5907 5908 /* hw.psm.synaptics.max_width. */ 5909 sc->syninfo.max_width = 10; 5910 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5911 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5912 "max_width", 5913 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5914 sc, SYNAPTICS_SYSCTL_MAX_WIDTH, 5915 synaptics_sysctl, "I", 5916 "Maximum finger width to detect palm"); 5917 5918 /* hw.psm.synaptics.top_margin. */ 5919 sc->syninfo.margin_top = 200; 5920 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5921 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5922 "margin_top", 5923 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5924 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5925 synaptics_sysctl, "I", 5926 "Top margin"); 5927 5928 /* hw.psm.synaptics.right_margin. */ 5929 sc->syninfo.margin_right = 200; 5930 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5931 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5932 "margin_right", 5933 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5934 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5935 synaptics_sysctl, "I", 5936 "Right margin"); 5937 5938 /* hw.psm.synaptics.bottom_margin. */ 5939 sc->syninfo.margin_bottom = 200; 5940 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5941 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5942 "margin_bottom", 5943 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5944 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5945 synaptics_sysctl, "I", 5946 "Bottom margin"); 5947 5948 /* hw.psm.synaptics.left_margin. */ 5949 sc->syninfo.margin_left = 200; 5950 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5951 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5952 "margin_left", 5953 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5954 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5955 synaptics_sysctl, "I", 5956 "Left margin"); 5957 5958 /* hw.psm.synaptics.na_top. */ 5959 sc->syninfo.na_top = 1783; 5960 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5961 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5962 "na_top", 5963 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5964 sc, SYNAPTICS_SYSCTL_NA_TOP, 5965 synaptics_sysctl, "I", 5966 "Top noisy area, where weight_previous_na is used instead " 5967 "of weight_previous"); 5968 5969 /* hw.psm.synaptics.na_right. */ 5970 sc->syninfo.na_right = 563; 5971 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5972 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5973 "na_right", 5974 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5975 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 5976 synaptics_sysctl, "I", 5977 "Right noisy area, where weight_previous_na is used instead " 5978 "of weight_previous"); 5979 5980 /* hw.psm.synaptics.na_bottom. */ 5981 sc->syninfo.na_bottom = 1408; 5982 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5983 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5984 "na_bottom", 5985 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5986 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 5987 synaptics_sysctl, "I", 5988 "Bottom noisy area, where weight_previous_na is used instead " 5989 "of weight_previous"); 5990 5991 /* hw.psm.synaptics.na_left. */ 5992 sc->syninfo.na_left = 1600; 5993 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5994 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5995 "na_left", 5996 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5997 sc, SYNAPTICS_SYSCTL_NA_LEFT, 5998 synaptics_sysctl, "I", 5999 "Left noisy area, where weight_previous_na is used instead " 6000 "of weight_previous"); 6001 6002 /* hw.psm.synaptics.window_min. */ 6003 sc->syninfo.window_min = 4; 6004 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6005 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6006 "window_min", 6007 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6008 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 6009 synaptics_sysctl, "I", 6010 "Minimum window size to start an action"); 6011 6012 /* hw.psm.synaptics.window_max. */ 6013 sc->syninfo.window_max = 10; 6014 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6015 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6016 "window_max", 6017 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6018 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 6019 synaptics_sysctl, "I", 6020 "Maximum window size"); 6021 6022 /* hw.psm.synaptics.multiplicator. */ 6023 sc->syninfo.multiplicator = 10000; 6024 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6025 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6026 "multiplicator", 6027 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6028 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 6029 synaptics_sysctl, "I", 6030 "Multiplicator to increase precision in averages and divisions"); 6031 6032 /* hw.psm.synaptics.weight_current. */ 6033 sc->syninfo.weight_current = 3; 6034 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6035 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6036 "weight_current", 6037 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6038 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 6039 synaptics_sysctl, "I", 6040 "Weight of the current movement in the new average"); 6041 6042 /* hw.psm.synaptics.weight_previous. */ 6043 sc->syninfo.weight_previous = 6; 6044 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6045 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6046 "weight_previous", 6047 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6048 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 6049 synaptics_sysctl, "I", 6050 "Weight of the previous average"); 6051 6052 /* hw.psm.synaptics.weight_previous_na. */ 6053 sc->syninfo.weight_previous_na = 20; 6054 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6055 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6056 "weight_previous_na", 6057 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6058 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 6059 synaptics_sysctl, "I", 6060 "Weight of the previous average (inside the noisy area)"); 6061 6062 /* hw.psm.synaptics.weight_len_squared. */ 6063 sc->syninfo.weight_len_squared = 2000; 6064 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6065 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6066 "weight_len_squared", 6067 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6068 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 6069 synaptics_sysctl, "I", 6070 "Length (squared) of segments where weight_previous " 6071 "starts to decrease"); 6072 6073 /* hw.psm.synaptics.div_min. */ 6074 sc->syninfo.div_min = 9; 6075 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6076 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6077 "div_min", 6078 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6079 sc, SYNAPTICS_SYSCTL_DIV_MIN, 6080 synaptics_sysctl, "I", 6081 "Divisor for fast movements"); 6082 6083 /* hw.psm.synaptics.div_max. */ 6084 sc->syninfo.div_max = 17; 6085 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6086 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6087 "div_max", 6088 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6089 sc, SYNAPTICS_SYSCTL_DIV_MAX, 6090 synaptics_sysctl, "I", 6091 "Divisor for slow movements"); 6092 6093 /* hw.psm.synaptics.div_max_na. */ 6094 sc->syninfo.div_max_na = 30; 6095 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6096 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6097 "div_max_na", 6098 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6099 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 6100 synaptics_sysctl, "I", 6101 "Divisor with slow movements (inside the noisy area)"); 6102 6103 /* hw.psm.synaptics.div_len. */ 6104 sc->syninfo.div_len = 100; 6105 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6106 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6107 "div_len", 6108 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6109 sc, SYNAPTICS_SYSCTL_DIV_LEN, 6110 synaptics_sysctl, "I", 6111 "Length of segments where div_max starts to decrease"); 6112 6113 /* hw.psm.synaptics.tap_max_delta. */ 6114 sc->syninfo.tap_max_delta = 80; 6115 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6116 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6117 "tap_max_delta", 6118 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6119 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 6120 synaptics_sysctl, "I", 6121 "Length of segments above which a tap is ignored"); 6122 6123 /* hw.psm.synaptics.tap_min_queue. */ 6124 sc->syninfo.tap_min_queue = 2; 6125 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6126 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6127 "tap_min_queue", 6128 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6129 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 6130 synaptics_sysctl, "I", 6131 "Number of packets required to consider a tap"); 6132 6133 /* hw.psm.synaptics.taphold_timeout. */ 6134 sc->gesture.in_taphold = 0; 6135 sc->syninfo.taphold_timeout = tap_timeout; 6136 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6137 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6138 "taphold_timeout", 6139 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6140 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 6141 synaptics_sysctl, "I", 6142 "Maximum elapsed time between two taps to consider a tap-hold " 6143 "action"); 6144 6145 /* hw.psm.synaptics.vscroll_hor_area. */ 6146 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 6147 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6148 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6149 "vscroll_hor_area", 6150 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6151 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 6152 synaptics_sysctl, "I", 6153 "Area reserved for horizontal virtual scrolling"); 6154 6155 /* hw.psm.synaptics.vscroll_ver_area. */ 6156 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 6157 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6158 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6159 "vscroll_ver_area", 6160 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6161 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 6162 synaptics_sysctl, "I", 6163 "Area reserved for vertical virtual scrolling"); 6164 6165 /* hw.psm.synaptics.vscroll_min_delta. */ 6166 sc->syninfo.vscroll_min_delta = 50; 6167 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6168 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6169 "vscroll_min_delta", 6170 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6171 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 6172 synaptics_sysctl, "I", 6173 "Minimum movement to consider virtual scrolling"); 6174 6175 /* hw.psm.synaptics.vscroll_div_min. */ 6176 sc->syninfo.vscroll_div_min = 100; 6177 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6178 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6179 "vscroll_div_min", 6180 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6181 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 6182 synaptics_sysctl, "I", 6183 "Divisor for fast scrolling"); 6184 6185 /* hw.psm.synaptics.vscroll_div_min. */ 6186 sc->syninfo.vscroll_div_max = 150; 6187 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6188 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6189 "vscroll_div_max", 6190 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6191 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 6192 synaptics_sysctl, "I", 6193 "Divisor for slow scrolling"); 6194 6195 /* hw.psm.synaptics.touchpad_off. */ 6196 sc->syninfo.touchpad_off = 0; 6197 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6198 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6199 "touchpad_off", 6200 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6201 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 6202 synaptics_sysctl, "I", 6203 "Turn off touchpad"); 6204 6205 sc->syninfo.three_finger_drag = 0; 6206 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6207 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6208 "three_finger_drag", 6209 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6210 sc, SYNAPTICS_SYSCTL_THREE_FINGER_DRAG, 6211 synaptics_sysctl, "I", 6212 "Enable dragging with three fingers"); 6213 6214 /* hw.psm.synaptics.natural_scroll. */ 6215 sc->syninfo.natural_scroll = 0; 6216 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6217 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6218 "natural_scroll", 6219 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6220 sc, SYNAPTICS_SYSCTL_NATURAL_SCROLL, 6221 synaptics_sysctl, "I", 6222 "Enable natural scrolling"); 6223 6224 sc->syninfo.softbuttons_y = 0; 6225 sc->syninfo.softbutton2_x = 0; 6226 sc->syninfo.softbutton3_x = 0; 6227 6228 /* skip softbuttons sysctl on not clickpads */ 6229 if (sc->synhw.capClickPad) 6230 synaptics_sysctl_create_softbuttons_tree(sc); 6231 } 6232 6233 static int 6234 synaptics_preferred_mode(struct psm_softc *sc) { 6235 int mode_byte; 6236 6237 /* Check if we are in relative mode */ 6238 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 6239 if (tap_enabled == 0) 6240 /* 6241 * Disable tap & drag gestures. We use a Mode Byte 6242 * and set the DisGest bit (see §2.5 of Synaptics 6243 * TouchPad Interfacing Guide). 6244 */ 6245 return (0x04); 6246 else 6247 /* 6248 * Enable tap & drag gestures. We use a Mode Byte 6249 * and clear the DisGest bit (see §2.5 of Synaptics 6250 * TouchPad Interfacing Guide). 6251 */ 6252 return (0x00); 6253 } 6254 6255 mode_byte = 0xc4; 6256 6257 /* request wmode where available */ 6258 if (sc->synhw.capExtended) 6259 mode_byte |= 1; 6260 6261 return mode_byte; 6262 } 6263 6264 static void 6265 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 6266 mouse_ext_command(sc->kbdc, mode_byte); 6267 6268 /* "Commit" the Set Mode Byte command sent above. */ 6269 set_mouse_sampling_rate(sc->kbdc, 20); 6270 6271 /* 6272 * Enable advanced gestures mode if supported and we are not entering 6273 * passthrough or relative mode. 6274 */ 6275 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 6276 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 6277 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODEL_ID); 6278 set_mouse_sampling_rate(sc->kbdc, 0xc8); 6279 } 6280 } 6281 6282 /* 6283 * AUX MUX detection code should be placed at very beginning of probe sequence 6284 * at least before 4-byte protocol mouse probes e.g. MS IntelliMouse probe as 6285 * latter can trigger switching the MUX to incompatible state. 6286 */ 6287 static int 6288 enable_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6289 { 6290 KBDC kbdc = sc->kbdc; 6291 int port, version; 6292 int probe = FALSE; 6293 int active_ports_count = 0; 6294 int active_ports_mask = 0; 6295 6296 version = enable_aux_mux(kbdc); 6297 if (version == -1) 6298 return (FALSE); 6299 6300 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6301 VLOG(3, (LOG_DEBUG, "aux_mux: ping port %d\n", port)); 6302 set_active_aux_mux_port(kbdc, port); 6303 if (enable_aux_dev(kbdc) && disable_aux_dev(kbdc)) { 6304 active_ports_count++; 6305 active_ports_mask |= 1 << port; 6306 } 6307 } 6308 6309 if (verbose >= 2) 6310 printf("Active Multiplexing PS/2 controller v%d.%d with %d " 6311 "active port(s)\n", version >> 4 & 0x0f, version & 0x0f, 6312 active_ports_count); 6313 6314 /* psm has a special support for GenMouse + SynTouchpad combination */ 6315 if (active_ports_count >= 2) { 6316 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6317 if ((active_ports_mask & 1 << port) == 0) 6318 continue; 6319 VLOG(3, (LOG_DEBUG, "aux_mux: probe port %d\n", port)); 6320 set_active_aux_mux_port(kbdc, port); 6321 probe = enable_synaptics(sc, arg); 6322 if (probe) { 6323 if (arg == PROBE) 6324 sc->muxport = port; 6325 break; 6326 } 6327 } 6328 } 6329 6330 /* IRQ handler does not support active multiplexing mode */ 6331 disable_aux_mux(kbdc); 6332 6333 return (probe); 6334 } 6335 6336 static int 6337 enable_synaptics(struct psm_softc *sc, enum probearg arg) 6338 { 6339 device_t psmcpnp; 6340 struct psmcpnp_softc *psmcpnp_sc; 6341 KBDC kbdc = sc->kbdc; 6342 synapticshw_t synhw; 6343 int status[3]; 6344 int buttons; 6345 6346 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6347 6348 /* 6349 * Just to be on the safe side: this avoids troubles with 6350 * following mouse_ext_command() when the previous command 6351 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6352 * Synaptics Touchpad behaviour. 6353 */ 6354 set_mouse_scaling(kbdc, 1); 6355 6356 /* Identify the Touchpad version. */ 6357 if (mouse_ext_command(kbdc, SYNAPTICS_READ_IDENTITY) == 0) 6358 return (FALSE); 6359 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6360 return (FALSE); 6361 if (status[1] != 0x47) 6362 return (FALSE); 6363 6364 bzero(&synhw, sizeof(synhw)); 6365 synhw.infoMinor = status[0]; 6366 synhw.infoMajor = status[2] & 0x0f; 6367 6368 if (verbose >= 2) 6369 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6370 synhw.infoMinor); 6371 6372 if (synhw.infoMajor < 4) { 6373 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6374 return (FALSE); 6375 } 6376 6377 /* Get the Touchpad model information. */ 6378 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODEL_ID) == 0) 6379 return (FALSE); 6380 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6381 return (FALSE); 6382 if ((status[1] & 0x01) != 0) { 6383 printf(" Failed to read model information\n"); 6384 return (FALSE); 6385 } 6386 6387 synhw.infoRot180 = (status[0] & 0x80) != 0; 6388 synhw.infoPortrait = (status[0] & 0x40) != 0; 6389 synhw.infoSensor = status[0] & 0x3f; 6390 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6391 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6392 synhw.capPen = (status[2] & 0x40) != 0; 6393 synhw.infoSimplC = (status[2] & 0x20) != 0; 6394 synhw.infoGeometry = status[2] & 0x0f; 6395 6396 if (verbose >= 2) { 6397 printf(" Model information:\n"); 6398 printf(" infoRot180: %d\n", synhw.infoRot180); 6399 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6400 printf(" infoSensor: %d\n", synhw.infoSensor); 6401 printf(" infoHardware: %d\n", synhw.infoHardware); 6402 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6403 printf(" capPen: %d\n", synhw.capPen); 6404 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6405 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6406 } 6407 6408 /* Read the extended capability bits. */ 6409 if (mouse_ext_command(kbdc, SYNAPTICS_READ_CAPABILITIES) == 0) 6410 return (FALSE); 6411 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6412 return (FALSE); 6413 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6414 printf(" Failed to read extended capability bits\n"); 6415 return (FALSE); 6416 } 6417 6418 psmcpnp = devclass_get_device(devclass_find(PSMCPNP_DRIVER_NAME), 6419 sc->unit); 6420 psmcpnp_sc = (psmcpnp != NULL) ? device_get_softc(psmcpnp) : NULL; 6421 6422 /* Set the different capabilities when they exist. */ 6423 buttons = 0; 6424 synhw.capExtended = (status[0] & 0x80) != 0; 6425 if (synhw.capExtended) { 6426 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6427 synhw.capMiddle = (status[0] & 0x04) != 0; 6428 synhw.capPassthrough = (status[2] & 0x80) != 0; 6429 synhw.capLowPower = (status[2] & 0x40) != 0; 6430 synhw.capMultiFingerReport = 6431 (status[2] & 0x20) != 0; 6432 synhw.capSleep = (status[2] & 0x10) != 0; 6433 synhw.capFourButtons = (status[2] & 0x08) != 0; 6434 synhw.capBallistics = (status[2] & 0x04) != 0; 6435 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6436 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6437 6438 if (!set_mouse_scaling(kbdc, 1)) 6439 return (FALSE); 6440 if (mouse_ext_command(kbdc, SYNAPTICS_READ_RESOLUTIONS) == 0) 6441 return (FALSE); 6442 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6443 return (FALSE); 6444 6445 if (status[0] != 0 && (status[1] & 0x80) && status[2] != 0) { 6446 synhw.infoXupmm = status[0]; 6447 synhw.infoYupmm = status[2]; 6448 } 6449 6450 if (verbose >= 2) { 6451 printf(" Extended capabilities:\n"); 6452 printf(" capExtended: %d\n", synhw.capExtended); 6453 printf(" capMiddle: %d\n", synhw.capMiddle); 6454 printf(" nExtendedQueries: %d\n", 6455 synhw.nExtendedQueries); 6456 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6457 printf(" capLowPower: %d\n", synhw.capLowPower); 6458 printf(" capMultiFingerReport: %d\n", 6459 synhw.capMultiFingerReport); 6460 printf(" capSleep: %d\n", synhw.capSleep); 6461 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6462 printf(" capBallistics: %d\n", synhw.capBallistics); 6463 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6464 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6465 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6466 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6467 } 6468 6469 /* 6470 * If nExtendedQueries is 1 or greater, then the TouchPad 6471 * supports this number of extended queries. We can load 6472 * more information about buttons using query 0x09. 6473 */ 6474 if (synhw.nExtendedQueries >= 1) { 6475 if (!set_mouse_scaling(kbdc, 1)) 6476 return (FALSE); 6477 if (mouse_ext_command(kbdc, 6478 SYNAPTICS_READ_EXTENDED) == 0) 6479 return (FALSE); 6480 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6481 return (FALSE); 6482 synhw.verticalScroll = (status[0] & 0x01) != 0; 6483 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6484 synhw.verticalWheel = (status[0] & 0x08) != 0; 6485 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6486 synhw.capEWmode = (status[0] & 0x04) != 0; 6487 if (verbose >= 2) { 6488 printf(" Extended model ID:\n"); 6489 printf(" verticalScroll: %d\n", 6490 synhw.verticalScroll); 6491 printf(" horizontalScroll: %d\n", 6492 synhw.horizontalScroll); 6493 printf(" verticalWheel: %d\n", 6494 synhw.verticalWheel); 6495 printf(" nExtendedButtons: %d\n", 6496 synhw.nExtendedButtons); 6497 printf(" capEWmode: %d\n", 6498 synhw.capEWmode); 6499 } 6500 /* 6501 * Add the number of extended buttons to the total 6502 * button support count, including the middle button 6503 * if capMiddle support bit is set. 6504 */ 6505 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6506 } else 6507 /* 6508 * If the capFourButtons support bit is set, 6509 * add a fourth button to the total button count. 6510 */ 6511 buttons = synhw.capFourButtons ? 1 : 0; 6512 6513 /* Read the continued capabilities bits. */ 6514 if (synhw.nExtendedQueries >= 4) { 6515 if (!set_mouse_scaling(kbdc, 1)) 6516 return (FALSE); 6517 if (mouse_ext_command(kbdc, 6518 SYNAPTICS_READ_CAPABILITIES_CONT) == 0) 6519 return (FALSE); 6520 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6521 return (FALSE); 6522 6523 synhw.capClickPad = (status[1] & 0x01) << 1; 6524 synhw.capClickPad |= (status[0] & 0x10) != 0; 6525 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6526 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6527 synhw.capReportsV = (status[1] & 0x08) != 0; 6528 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6529 synhw.capReportsMin = (status[1] & 0x20) != 0; 6530 synhw.capInterTouch = (status[1] & 0x40) != 0; 6531 synhw.capReportsMax = (status[0] & 0x02) != 0; 6532 synhw.capClearPad = (status[0] & 0x04) != 0; 6533 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6534 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6535 6536 if (synhw.capReportsMax) { 6537 if (!set_mouse_scaling(kbdc, 1)) 6538 return (FALSE); 6539 if (mouse_ext_command(kbdc, 6540 SYNAPTICS_READ_MAX_COORDS) == 0) 6541 return (FALSE); 6542 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6543 return (FALSE); 6544 6545 synhw.maximumXCoord = (status[0] << 5) | 6546 ((status[1] & 0x0f) << 1); 6547 synhw.maximumYCoord = (status[2] << 5) | 6548 ((status[1] & 0xf0) >> 3); 6549 } else { 6550 /* 6551 * Typical bezel limits. Taken from 'Synaptics 6552 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6553 */ 6554 synhw.maximumXCoord = 5472; 6555 synhw.maximumYCoord = 4448; 6556 } 6557 6558 if (synhw.capReportsMin) { 6559 if (!set_mouse_scaling(kbdc, 1)) 6560 return (FALSE); 6561 if (mouse_ext_command(kbdc, 6562 SYNAPTICS_READ_MIN_COORDS) == 0) 6563 return (FALSE); 6564 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6565 return (FALSE); 6566 6567 synhw.minimumXCoord = (status[0] << 5) | 6568 ((status[1] & 0x0f) << 1); 6569 synhw.minimumYCoord = (status[2] << 5) | 6570 ((status[1] & 0xf0) >> 3); 6571 } else { 6572 /* 6573 * Typical bezel limits. Taken from 'Synaptics 6574 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6575 */ 6576 synhw.minimumXCoord = 1472; 6577 synhw.minimumYCoord = 1408; 6578 } 6579 6580 /* 6581 * ClickPad properties are not exported through PS/2 6582 * protocol. Detection is based on controller's PnP ID. 6583 */ 6584 if (synhw.capClickPad && psmcpnp_sc != NULL) { 6585 switch (psmcpnp_sc->type) { 6586 case PSMCPNP_FORCEPAD: 6587 synhw.forcePad = 1; 6588 break; 6589 case PSMCPNP_TOPBUTTONPAD: 6590 synhw.topButtonPad = 1; 6591 break; 6592 default: 6593 break; 6594 } 6595 } 6596 6597 if (verbose >= 2) { 6598 printf(" Continued capabilities:\n"); 6599 printf(" capClickPad: %d\n", 6600 synhw.capClickPad); 6601 printf(" capDeluxeLEDs: %d\n", 6602 synhw.capDeluxeLEDs); 6603 printf(" noAbsoluteFilter: %d\n", 6604 synhw.noAbsoluteFilter); 6605 printf(" capReportsV: %d\n", 6606 synhw.capReportsV); 6607 printf(" capUniformClickPad: %d\n", 6608 synhw.capUniformClickPad); 6609 printf(" capReportsMin: %d\n", 6610 synhw.capReportsMin); 6611 printf(" capInterTouch: %d\n", 6612 synhw.capInterTouch); 6613 printf(" capReportsMax: %d\n", 6614 synhw.capReportsMax); 6615 printf(" capClearPad: %d\n", 6616 synhw.capClearPad); 6617 printf(" capAdvancedGestures: %d\n", 6618 synhw.capAdvancedGestures); 6619 printf(" capCoveredPad: %d\n", 6620 synhw.capCoveredPad); 6621 if (synhw.capReportsMax) { 6622 printf(" maximumXCoord: %d\n", 6623 synhw.maximumXCoord); 6624 printf(" maximumYCoord: %d\n", 6625 synhw.maximumYCoord); 6626 } 6627 if (synhw.capReportsMin) { 6628 printf(" minimumXCoord: %d\n", 6629 synhw.minimumXCoord); 6630 printf(" minimumYCoord: %d\n", 6631 synhw.minimumYCoord); 6632 } 6633 if (synhw.capClickPad) { 6634 printf(" Clickpad capabilities:\n"); 6635 printf(" forcePad: %d\n", 6636 synhw.forcePad); 6637 printf(" topButtonPad: %d\n", 6638 synhw.topButtonPad); 6639 } 6640 } 6641 buttons += synhw.capClickPad; 6642 } 6643 } 6644 6645 if (verbose >= 2) { 6646 if (synhw.capExtended) 6647 printf(" Additional Buttons: %d\n", buttons); 6648 else 6649 printf(" No extended capabilities\n"); 6650 } 6651 6652 /* 6653 * Add the default number of 3 buttons to the total 6654 * count of supported buttons reported above. 6655 */ 6656 buttons += 3; 6657 6658 /* 6659 * Read the mode byte. 6660 * 6661 * XXX: Note the Synaptics documentation also defines the first 6662 * byte of the response to this query to be a constant 0x3b, this 6663 * does not appear to be true for Touchpads with guest devices. 6664 */ 6665 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODES) == 0) 6666 return (FALSE); 6667 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6668 return (FALSE); 6669 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6670 printf(" Failed to read mode byte\n"); 6671 return (FALSE); 6672 } 6673 6674 if (arg == PROBE) 6675 sc->synhw = synhw; 6676 if (!synaptics_support) 6677 return (FALSE); 6678 6679 /* Set mouse type just now for synaptics_set_mode() */ 6680 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6681 6682 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6683 6684 if (trackpoint_support && synhw.capPassthrough) { 6685 enable_trackpoint(sc, arg); 6686 } 6687 6688 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6689 6690 if (arg == PROBE) { 6691 /* Create sysctl tree. */ 6692 synaptics_sysctl_create_tree(sc, "synaptics", 6693 "Synaptics TouchPad"); 6694 sc->hw.buttons = buttons; 6695 } 6696 6697 return (TRUE); 6698 } 6699 6700 static void 6701 synaptics_passthrough_on(struct psm_softc *sc) 6702 { 6703 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6704 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6705 } 6706 6707 static void 6708 synaptics_passthrough_off(struct psm_softc *sc) 6709 { 6710 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6711 set_mouse_scaling(sc->kbdc, 2); 6712 set_mouse_scaling(sc->kbdc, 1); 6713 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6714 } 6715 6716 /* IBM/Lenovo TrackPoint */ 6717 static int 6718 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6719 { 6720 const int seq[] = { 0xe2, cmd, loc, val }; 6721 int i; 6722 6723 if (sc->synhw.capPassthrough) 6724 synaptics_passthrough_on(sc); 6725 6726 for (i = 0; i < nitems(seq); i++) { 6727 if (sc->synhw.capPassthrough && 6728 (seq[i] == 0xff || seq[i] == 0xe7)) 6729 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6730 synaptics_passthrough_off(sc); 6731 return (EIO); 6732 } 6733 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6734 if (sc->synhw.capPassthrough) 6735 synaptics_passthrough_off(sc); 6736 return (EIO); 6737 } 6738 } 6739 6740 if (sc->synhw.capPassthrough) 6741 synaptics_passthrough_off(sc); 6742 6743 return (0); 6744 } 6745 6746 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6747 #define TPMASK 0 6748 #define TPLOC 1 6749 #define TPINFO 2 6750 6751 static int 6752 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6753 { 6754 static const int data[][3] = { 6755 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6756 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6757 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6758 { 0x00, 0x57, PSM_TPINFO(reach) }, 6759 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6760 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6761 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6762 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6763 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6764 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6765 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6766 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6767 }; 6768 struct psm_softc *sc; 6769 int error, newval, *oldvalp; 6770 const int *tp; 6771 6772 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6773 return (EINVAL); 6774 sc = arg1; 6775 tp = data[arg2]; 6776 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6777 newval = *oldvalp; 6778 error = sysctl_handle_int(oidp, &newval, 0, req); 6779 if (error != 0) 6780 return (error); 6781 if (newval == *oldvalp) 6782 return (0); 6783 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6784 return (EINVAL); 6785 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6786 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6787 if (error != 0) 6788 return (error); 6789 *oldvalp = newval; 6790 6791 return (0); 6792 } 6793 6794 static void 6795 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6796 { 6797 6798 if (sc->tpinfo.sysctl_tree != NULL) 6799 return; 6800 6801 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6802 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6803 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6804 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", 6805 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "IBM/Lenovo TrackPoint"); 6806 6807 /* hw.psm.trackpoint.sensitivity */ 6808 sc->tpinfo.sensitivity = 0x80; 6809 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6810 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6811 "sensitivity", 6812 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6813 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6814 trackpoint_sysctl, "I", 6815 "Sensitivity"); 6816 6817 /* hw.psm.trackpoint.negative_inertia */ 6818 sc->tpinfo.inertia = 0x06; 6819 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6820 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6821 "negative_inertia", 6822 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6823 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6824 trackpoint_sysctl, "I", 6825 "Negative inertia factor"); 6826 6827 /* hw.psm.trackpoint.upper_plateau */ 6828 sc->tpinfo.uplateau = 0x61; 6829 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6830 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6831 "upper_plateau", 6832 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6833 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6834 trackpoint_sysctl, "I", 6835 "Transfer function upper plateau speed"); 6836 6837 /* hw.psm.trackpoint.backup_range */ 6838 sc->tpinfo.reach = 0x0a; 6839 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6840 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6841 "backup_range", 6842 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6843 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6844 trackpoint_sysctl, "I", 6845 "Backup range"); 6846 6847 /* hw.psm.trackpoint.drag_hysteresis */ 6848 sc->tpinfo.draghys = 0xff; 6849 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6850 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6851 "drag_hysteresis", 6852 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6853 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6854 trackpoint_sysctl, "I", 6855 "Drag hysteresis"); 6856 6857 /* hw.psm.trackpoint.minimum_drag */ 6858 sc->tpinfo.mindrag = 0x14; 6859 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6860 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6861 "minimum_drag", 6862 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6863 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6864 trackpoint_sysctl, "I", 6865 "Minimum drag"); 6866 6867 /* hw.psm.trackpoint.up_threshold */ 6868 sc->tpinfo.upthresh = 0xff; 6869 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6870 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6871 "up_threshold", 6872 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6873 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6874 trackpoint_sysctl, "I", 6875 "Up threshold for release"); 6876 6877 /* hw.psm.trackpoint.threshold */ 6878 sc->tpinfo.threshold = 0x08; 6879 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6880 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6881 "threshold", 6882 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6883 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6884 trackpoint_sysctl, "I", 6885 "Threshold"); 6886 6887 /* hw.psm.trackpoint.jenks_curvature */ 6888 sc->tpinfo.jenks = 0x87; 6889 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6890 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6891 "jenks_curvature", 6892 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6893 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6894 trackpoint_sysctl, "I", 6895 "Jenks curvature"); 6896 6897 /* hw.psm.trackpoint.z_time */ 6898 sc->tpinfo.ztime = 0x26; 6899 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6900 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6901 "z_time", 6902 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6903 sc, TRACKPOINT_SYSCTL_Z_TIME, 6904 trackpoint_sysctl, "I", 6905 "Z time constant"); 6906 6907 /* hw.psm.trackpoint.press_to_select */ 6908 sc->tpinfo.pts = 0x00; 6909 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6910 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6911 "press_to_select", 6912 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6913 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6914 trackpoint_sysctl, "I", 6915 "Press to Select"); 6916 6917 /* hw.psm.trackpoint.skip_backups */ 6918 sc->tpinfo.skipback = 0x00; 6919 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6920 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6921 "skip_backups", 6922 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6923 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6924 trackpoint_sysctl, "I", 6925 "Skip backups from drags"); 6926 } 6927 6928 static void 6929 set_trackpoint_parameters(struct psm_softc *sc) 6930 { 6931 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6932 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6933 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6934 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6935 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6936 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6937 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6938 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6939 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6940 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6941 if (sc->tpinfo.pts == 0x01) 6942 trackpoint_command(sc, 0x47, 0x2c, 0x01); 6943 if (sc->tpinfo.skipback == 0x01) 6944 trackpoint_command(sc, 0x47, 0x2d, 0x08); 6945 } 6946 6947 static int 6948 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 6949 { 6950 KBDC kbdc = sc->kbdc; 6951 int id; 6952 6953 /* 6954 * If called from enable_synaptics(), make sure that passthrough 6955 * mode is enabled so we can reach the trackpoint. 6956 * However, passthrough mode must be disabled before setting the 6957 * trackpoint parameters, as rackpoint_command() enables and disables 6958 * passthrough mode on its own. 6959 */ 6960 if (sc->synhw.capPassthrough) 6961 synaptics_passthrough_on(sc); 6962 6963 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 6964 read_aux_data(kbdc) != 0x01) 6965 goto no_trackpoint; 6966 id = read_aux_data(kbdc); 6967 if (id < 0x01) 6968 goto no_trackpoint; 6969 if (arg == PROBE) 6970 sc->tphw = id; 6971 if (!trackpoint_support) 6972 goto no_trackpoint; 6973 6974 if (sc->synhw.capPassthrough) 6975 synaptics_passthrough_off(sc); 6976 6977 if (arg == PROBE) { 6978 trackpoint_sysctl_create_tree(sc); 6979 /* 6980 * Don't overwrite hwid and buttons when we are 6981 * a guest device. 6982 */ 6983 if (!sc->synhw.capPassthrough) { 6984 sc->hw.hwid = id; 6985 sc->hw.buttons = 3; 6986 } 6987 } 6988 6989 set_trackpoint_parameters(sc); 6990 6991 return (TRUE); 6992 6993 no_trackpoint: 6994 if (sc->synhw.capPassthrough) 6995 synaptics_passthrough_off(sc); 6996 6997 return (FALSE); 6998 } 6999 7000 /* Interlink electronics VersaPad */ 7001 static int 7002 enable_versapad(struct psm_softc *sc, enum probearg arg) 7003 { 7004 KBDC kbdc = sc->kbdc; 7005 int data[3]; 7006 7007 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 7008 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 7009 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 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 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 7014 return (FALSE); 7015 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 7016 return (FALSE); 7017 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7018 7019 return (TRUE); /* PS/2 absolute mode */ 7020 } 7021 7022 /* Elantech Touchpad */ 7023 static int 7024 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 7025 { 7026 int res, readcmd, retidx; 7027 int resp[3]; 7028 7029 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 7030 retidx = hwversion == 4 ? 1 : 0; 7031 7032 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7033 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 7034 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7035 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7036 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7037 7038 if (res == 0) 7039 *val = resp[retidx]; 7040 7041 return (res); 7042 } 7043 7044 static int 7045 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 7046 { 7047 int res, writecmd; 7048 7049 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 7050 7051 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7052 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7053 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7054 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7055 if (hwversion == 4) { 7056 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7057 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7058 } 7059 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7060 res |= send_aux_command(kbdc, val) != PSM_ACK; 7061 res |= set_mouse_scaling(kbdc, 1) == 0; 7062 7063 return (res); 7064 } 7065 7066 static int 7067 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 7068 { 7069 int res; 7070 7071 if (hwversion == 2) { 7072 res = set_mouse_scaling(kbdc, 1) == 0; 7073 res |= mouse_ext_command(kbdc, cmd) == 0; 7074 } else { 7075 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7076 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 7077 } 7078 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7079 7080 return (res); 7081 } 7082 7083 static int 7084 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 7085 { 7086 int i, val, res, hwversion, reg10; 7087 7088 /* set absolute mode */ 7089 hwversion = elanhw->hwversion; 7090 reg10 = -1; 7091 switch (hwversion) { 7092 case 2: 7093 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 7094 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7095 if (res) 7096 break; 7097 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 7098 break; 7099 case 3: 7100 reg10 = 0x0b; 7101 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7102 break; 7103 case 4: 7104 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 7105 break; 7106 default: 7107 res = 1; 7108 } 7109 7110 /* Read back reg 0x10 to ensure hardware is ready. */ 7111 if (res == 0 && reg10 >= 0) { 7112 for (i = 0; i < 5; i++) { 7113 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 7114 break; 7115 DELAY(2000); 7116 } 7117 if (i == 5) 7118 res = 1; 7119 } 7120 7121 if (res) 7122 printf("couldn't set absolute mode\n"); 7123 7124 return (res); 7125 } 7126 7127 static void 7128 elantech_init_synaptics(struct psm_softc *sc) 7129 { 7130 7131 /* Set capabilites required by movement smother */ 7132 sc->synhw.infoMajor = sc->elanhw.hwversion; 7133 sc->synhw.infoMinor = sc->elanhw.fwversion; 7134 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 7135 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 7136 sc->synhw.verticalScroll = 0; 7137 sc->synhw.nExtendedQueries = 4; 7138 sc->synhw.capExtended = 1; 7139 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 7140 sc->synhw.capClickPad = sc->elanhw.isclickpad; 7141 sc->synhw.capMultiFinger = 1; 7142 if (sc->elanhw.issemimt) 7143 sc->synhw.capAdvancedGestures = 1; 7144 else 7145 sc->synhw.capReportsV = 1; 7146 sc->synhw.capPalmDetect = 1; 7147 sc->synhw.capPen = 0; 7148 sc->synhw.capReportsMax = 1; 7149 sc->synhw.maximumXCoord = sc->elanhw.sizex; 7150 sc->synhw.maximumYCoord = sc->elanhw.sizey; 7151 sc->synhw.capReportsMin = 1; 7152 sc->synhw.minimumXCoord = 0; 7153 sc->synhw.minimumYCoord = 0; 7154 7155 if (sc->syninfo.sysctl_tree == NULL) { 7156 synaptics_sysctl_create_tree(sc, "elantech", 7157 "Elantech Touchpad"); 7158 7159 /* 7160 * Adjust synaptic smoother tunables 7161 * 1. Disable finger detection pressure threshold. Unlike 7162 * synaptics we assume the finger is acting when packet with 7163 * its X&Y arrives not when pressure exceedes some threshold 7164 * 2. Disable unrelated features like margins and noisy areas 7165 * 3. Disable virtual scroll areas as 2nd finger is preferable 7166 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 7167 * softbuttons 7168 * 5. Scale down divisors and movement lengths by a factor of 3 7169 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 7170 */ 7171 7172 /* Set reporting range to be equal touchpad size */ 7173 sc->syninfo.max_x = sc->elanhw.sizex; 7174 sc->syninfo.max_y = sc->elanhw.sizey; 7175 7176 /* Disable finger detection pressure threshold */ 7177 sc->syninfo.min_pressure = 1; 7178 7179 /* Adjust palm width to nearly match synaptics w=10 */ 7180 sc->syninfo.max_width = 7; 7181 7182 /* Elans often report double & triple taps as single event */ 7183 sc->syninfo.tap_min_queue = 1; 7184 7185 /* Use full area of touchpad */ 7186 sc->syninfo.margin_top = 0; 7187 sc->syninfo.margin_right = 0; 7188 sc->syninfo.margin_bottom = 0; 7189 sc->syninfo.margin_left = 0; 7190 7191 /* Disable noisy area */ 7192 sc->syninfo.na_top = 0; 7193 sc->syninfo.na_right = 0; 7194 sc->syninfo.na_bottom = 0; 7195 sc->syninfo.na_left = 0; 7196 7197 /* Tune divisors and movement lengths */ 7198 sc->syninfo.weight_len_squared = 200; 7199 sc->syninfo.div_min = 3; 7200 sc->syninfo.div_max = 6; 7201 sc->syninfo.div_max_na = 10; 7202 sc->syninfo.div_len = 30; 7203 sc->syninfo.tap_max_delta = 25; 7204 7205 /* Disable virtual scrolling areas and tune its divisors */ 7206 sc->syninfo.vscroll_hor_area = 0; 7207 sc->syninfo.vscroll_ver_area = 0; 7208 sc->syninfo.vscroll_min_delta = 15; 7209 sc->syninfo.vscroll_div_min = 30; 7210 sc->syninfo.vscroll_div_max = 50; 7211 7212 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 7213 if (sc->elanhw.isclickpad) { 7214 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 7215 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 7216 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 7217 } 7218 } 7219 7220 return; 7221 } 7222 7223 static int 7224 enable_elantech(struct psm_softc *sc, enum probearg arg) 7225 { 7226 static const int ic2hw[] = 7227 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 7228 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }; 7229 static const int fw_sizes[][3] = { 7230 /* FW.vers MaxX MaxY */ 7231 { 0x020030, 1152, 768 }, 7232 { 0x020800, 1152, 768 }, 7233 { 0x020b00, 1152, 768 }, 7234 { 0x040215, 900, 500 }, 7235 { 0x040216, 819, 405 }, 7236 { 0x040219, 900, 500 }, 7237 }; 7238 elantechhw_t elanhw; 7239 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 7240 KBDC kbdc = sc->kbdc; 7241 7242 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 7243 7244 set_mouse_scaling(kbdc, 1); 7245 set_mouse_scaling(kbdc, 1); 7246 set_mouse_scaling(kbdc, 1); 7247 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 7248 return (FALSE); 7249 7250 if (!ELANTECH_MAGIC(resp)) 7251 return (FALSE); 7252 7253 /* Identify the Touchpad version. */ 7254 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 7255 return (FALSE); 7256 7257 bzero(&elanhw, sizeof(elanhw)); 7258 7259 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 7260 icversion = resp[0] & 0x0f; 7261 hwversion = ic2hw[icversion]; 7262 7263 if (verbose >= 2) 7264 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 7265 hwversion, elanhw.fwversion); 7266 7267 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 7268 printf (" Unsupported touchpad hardware (v1)\n"); 7269 return (FALSE); 7270 } 7271 if (hwversion == 0) { 7272 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 7273 elanhw.fwversion); 7274 return (FALSE); 7275 } 7276 7277 /* Get the Touchpad model information. */ 7278 elanhw.hwversion = hwversion; 7279 elanhw.issemimt = hwversion == 2; 7280 elanhw.isclickpad = (resp[1] & 0x10) != 0; 7281 elanhw.hascrc = (resp[1] & 0x40) != 0; 7282 elanhw.haspressure = elanhw.fwversion >= 0x020800; 7283 7284 /* Read the capability bits. */ 7285 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 7286 printf(" Failed to read capability bits\n"); 7287 return (FALSE); 7288 } 7289 7290 elanhw.ntracesx = imax(resp[1], 3); 7291 elanhw.ntracesy = imax(resp[2], 3); 7292 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 7293 7294 /* Get the touchpad resolution */ 7295 switch (hwversion) { 7296 case 4: 7297 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 7298 == 0) { 7299 dpix = (resp[1] & 0x0f) * 10 + 790; 7300 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 7301 elanhw.dpmmx = (dpix * 10 + 5) / 254; 7302 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 7303 break; 7304 } 7305 /* FALLTHROUGH */ 7306 case 2: 7307 case 3: 7308 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 7309 break; 7310 } 7311 7312 if (!elantech_support) 7313 return (FALSE); 7314 7315 if (elantech_init(kbdc, &elanhw)) { 7316 printf("couldn't initialize elantech touchpad\n"); 7317 return (FALSE); 7318 } 7319 7320 /* 7321 * Get the touchpad reporting range. 7322 * On HW v.3 touchpads it should be done after switching hardware 7323 * to real resolution mode (by setting bit 3 of reg10) 7324 */ 7325 elanhw.dptracex = elanhw.dptracey = 64; 7326 for (i = 0; i < nitems(fw_sizes); i++) { 7327 if (elanhw.fwversion == fw_sizes[i][0]) { 7328 elanhw.sizex = fw_sizes[i][1]; 7329 elanhw.sizey = fw_sizes[i][2]; 7330 goto found; 7331 } 7332 } 7333 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 7334 printf(" Failed to read touchpad size\n"); 7335 elanhw.sizex = 10000; /* Arbitrary high values to */ 7336 elanhw.sizey = 10000; /* prevent clipping in smoother */ 7337 } else if (hwversion == 2) { 7338 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 7339 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 7340 elanhw.dptracex = resp[1] / 2; 7341 elanhw.dptracey = resp[2] / 2; 7342 } 7343 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 7344 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 7345 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 7346 } else { 7347 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 7348 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 7349 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 7350 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 7351 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 7352 } 7353 found: 7354 if (verbose >= 2) { 7355 printf(" Model information:\n"); 7356 printf(" MaxX: %d\n", elanhw.sizex); 7357 printf(" MaxY: %d\n", elanhw.sizey); 7358 printf(" DpmmX: %d\n", elanhw.dpmmx); 7359 printf(" DpmmY: %d\n", elanhw.dpmmy); 7360 printf(" TracesX: %d\n", elanhw.ntracesx); 7361 printf(" TracesY: %d\n", elanhw.ntracesy); 7362 printf(" DptraceX: %d\n", elanhw.dptracex); 7363 printf(" DptraceY: %d\n", elanhw.dptracey); 7364 printf(" SemiMT: %d\n", elanhw.issemimt); 7365 printf(" Clickpad: %d\n", elanhw.isclickpad); 7366 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 7367 printf(" CRC: %d\n", elanhw.hascrc); 7368 printf(" Pressure: %d\n", elanhw.haspressure); 7369 } 7370 7371 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 7372 7373 if (arg == PROBE) { 7374 sc->elanhw = elanhw; 7375 sc->hw.buttons = 3; 7376 7377 /* Initialize synaptics movement smoother */ 7378 elantech_init_synaptics(sc); 7379 7380 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 7381 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 7382 } 7383 7384 return (TRUE); 7385 } 7386 7387 /* 7388 * Return true if 'now' is earlier than (start + (secs.usecs)). 7389 * Now may be NULL and the function will fetch the current time from 7390 * getmicrouptime(), or a cached 'now' can be passed in. 7391 * All values should be numbers derived from getmicrouptime(). 7392 */ 7393 static int 7394 timeelapsed(start, secs, usecs, now) 7395 const struct timeval *start, *now; 7396 int secs, usecs; 7397 { 7398 struct timeval snow, tv; 7399 7400 /* if there is no 'now' passed in, the get it as a convience. */ 7401 if (now == NULL) { 7402 getmicrouptime(&snow); 7403 now = &snow; 7404 } 7405 7406 tv.tv_sec = secs; 7407 tv.tv_usec = usecs; 7408 timevaladd(&tv, start); 7409 return (timevalcmp(&tv, now, <)); 7410 } 7411 7412 static int 7413 psmresume(device_t dev) 7414 { 7415 struct psm_softc *sc = device_get_softc(dev); 7416 int unit = device_get_unit(dev); 7417 int err; 7418 7419 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 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 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 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 7471 { 0, 0 } 7472 }; 7473 7474 static driver_t psmcpnp_driver = { 7475 PSMCPNP_DRIVER_NAME, 7476 psmcpnp_methods, 7477 sizeof(struct psmcpnp_softc), 7478 }; 7479 7480 static struct isa_pnp_id psmcpnp_ids[] = { 7481 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7482 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7483 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7484 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7485 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7486 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7487 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7488 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7489 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7490 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7491 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7492 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7493 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7494 { 0 } 7495 }; 7496 7497 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7498 static struct isa_pnp_id topbtpad_ids[] = { 7499 { 0x1700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0017, ThinkPad */ 7500 { 0x1800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0018, ThinkPad */ 7501 { 0x1900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0019, ThinkPad */ 7502 { 0x2300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0023, ThinkPad */ 7503 { 0x2a00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002a, ThinkPad */ 7504 { 0x2b00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002b, ThinkPad */ 7505 { 0x2c00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002c, ThinkPad */ 7506 { 0x2d00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002d, ThinkPad */ 7507 { 0x2e00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002e, ThinkPad */ 7508 { 0x3300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0033, ThinkPad */ 7509 { 0x3400ae30, "Lenovo PS/2 clickpad port" }, /* LEN0034, ThinkPad */ 7510 { 0x3500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0035, ThinkPad */ 7511 { 0x3600ae30, "Lenovo PS/2 clickpad port" }, /* LEN0036, ThinkPad */ 7512 { 0x3700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0037, ThinkPad */ 7513 { 0x3800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0038, ThinkPad */ 7514 { 0x3900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0039, ThinkPad */ 7515 { 0x4100ae30, "Lenovo PS/2 clickpad port" }, /* LEN0041, ThinkPad */ 7516 { 0x4200ae30, "Lenovo PS/2 clickpad port" }, /* LEN0042, ThinkPad */ 7517 { 0x4500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0045, ThinkPad */ 7518 { 0x4700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0047, ThinkPad */ 7519 { 0x4900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0049, ThinkPad */ 7520 { 0x0020ae30, "Lenovo PS/2 clickpad port" }, /* LEN2000, ThinkPad */ 7521 { 0x0120ae30, "Lenovo PS/2 clickpad port" }, /* LEN2001, ThinkPad */ 7522 { 0x0220ae30, "Lenovo PS/2 clickpad port" }, /* LEN2002, ThinkPad */ 7523 { 0x0320ae30, "Lenovo PS/2 clickpad port" }, /* LEN2003, ThinkPad */ 7524 { 0x0420ae30, "Lenovo PS/2 clickpad port" }, /* LEN2004, ThinkPad */ 7525 { 0x0520ae30, "Lenovo PS/2 clickpad port" }, /* LEN2005, ThinkPad */ 7526 { 0x0620ae30, "Lenovo PS/2 clickpad port" }, /* LEN2006, ThinkPad */ 7527 { 0x0720ae30, "Lenovo PS/2 clickpad port" }, /* LEN2007, ThinkPad */ 7528 { 0x0820ae30, "Lenovo PS/2 clickpad port" }, /* LEN2008, ThinkPad */ 7529 { 0x0920ae30, "Lenovo PS/2 clickpad port" }, /* LEN2009, ThinkPad */ 7530 { 0x0a20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200a, ThinkPad */ 7531 { 0x0b20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200b, ThinkPad */ 7532 { 0 } 7533 }; 7534 7535 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7536 static struct isa_pnp_id forcepad_ids[] = { 7537 { 0x0d302e4f, "HP PS/2 forcepad port" }, /* SYN300D, EB 1040 */ 7538 { 0x14302e4f, "HP PS/2 forcepad port" }, /* SYN3014, EB 1040 */ 7539 { 0 } 7540 }; 7541 7542 static int 7543 create_a_copy(device_t atkbdc, device_t me) 7544 { 7545 device_t psm; 7546 u_long irq; 7547 7548 /* find the PS/2 mouse device instance under the keyboard controller */ 7549 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7550 device_get_unit(atkbdc)); 7551 if (psm == NULL) 7552 return (ENXIO); 7553 if (device_get_state(psm) != DS_NOTPRESENT) 7554 return (0); 7555 7556 /* move our resource to the found device */ 7557 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7558 bus_delete_resource(me, SYS_RES_IRQ, 0); 7559 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7560 7561 /* ...then probe and attach it */ 7562 return (device_probe_and_attach(psm)); 7563 } 7564 7565 static int 7566 psmcpnp_probe(device_t dev) 7567 { 7568 struct psmcpnp_softc *sc = device_get_softc(dev); 7569 struct resource *res; 7570 u_long irq; 7571 int rid; 7572 7573 if (ISA_PNP_PROBE(device_get_parent(dev), dev, forcepad_ids) == 0) 7574 sc->type = PSMCPNP_FORCEPAD; 7575 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, topbtpad_ids) == 0) 7576 sc->type = PSMCPNP_TOPBUTTONPAD; 7577 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids) == 0) 7578 sc->type = PSMCPNP_GENERIC; 7579 else 7580 return (ENXIO); 7581 7582 /* 7583 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7584 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7585 * declares the PS/2 mouse device node without an IRQ resource! 7586 * If this happens, we shall refer to device hints. 7587 * If we still don't find it there, use a hardcoded value... XXX 7588 */ 7589 rid = 0; 7590 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7591 if (irq <= 0) { 7592 if (resource_long_value(PSM_DRIVER_NAME, 7593 device_get_unit(dev),"irq", &irq) != 0) 7594 irq = 12; /* XXX */ 7595 device_printf(dev, "irq resource info is missing; " 7596 "assuming irq %ld\n", irq); 7597 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7598 } 7599 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7600 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7601 7602 /* keep quiet */ 7603 if (!bootverbose) 7604 device_quiet(dev); 7605 7606 return ((res == NULL) ? ENXIO : 0); 7607 } 7608 7609 static int 7610 psmcpnp_attach(device_t dev) 7611 { 7612 device_t atkbdc; 7613 7614 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7615 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7616 device_get_unit(dev)); 7617 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7618 create_a_copy(atkbdc, dev); 7619 7620 return (0); 7621 } 7622 7623 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7624 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7625 ISA_PNP_INFO(psmcpnp_ids); 7626 #endif /* DEV_ISA */ 7627