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 static int mux_disabled = -1; 521 522 /* for backward compatibility */ 523 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 524 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 525 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 526 527 typedef struct old_mousehw { 528 int buttons; 529 int iftype; 530 int type; 531 int hwid; 532 } old_mousehw_t; 533 534 typedef struct old_mousemode { 535 int protocol; 536 int rate; 537 int resolution; 538 int accelfactor; 539 } old_mousemode_t; 540 541 #define SYN_OFFSET(field) offsetof(struct psm_softc, syninfo.field) 542 enum { 543 SYNAPTICS_SYSCTL_MIN_PRESSURE = SYN_OFFSET(min_pressure), 544 SYNAPTICS_SYSCTL_MAX_PRESSURE = SYN_OFFSET(max_pressure), 545 SYNAPTICS_SYSCTL_MAX_WIDTH = SYN_OFFSET(max_width), 546 SYNAPTICS_SYSCTL_MARGIN_TOP = SYN_OFFSET(margin_top), 547 SYNAPTICS_SYSCTL_MARGIN_RIGHT = SYN_OFFSET(margin_right), 548 SYNAPTICS_SYSCTL_MARGIN_BOTTOM = SYN_OFFSET(margin_bottom), 549 SYNAPTICS_SYSCTL_MARGIN_LEFT = SYN_OFFSET(margin_left), 550 SYNAPTICS_SYSCTL_NA_TOP = SYN_OFFSET(na_top), 551 SYNAPTICS_SYSCTL_NA_RIGHT = SYN_OFFSET(na_right), 552 SYNAPTICS_SYSCTL_NA_BOTTOM = SYN_OFFSET(na_bottom), 553 SYNAPTICS_SYSCTL_NA_LEFT = SYN_OFFSET(na_left), 554 SYNAPTICS_SYSCTL_WINDOW_MIN = SYN_OFFSET(window_min), 555 SYNAPTICS_SYSCTL_WINDOW_MAX = SYN_OFFSET(window_max), 556 SYNAPTICS_SYSCTL_MULTIPLICATOR = SYN_OFFSET(multiplicator), 557 SYNAPTICS_SYSCTL_WEIGHT_CURRENT = SYN_OFFSET(weight_current), 558 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS = SYN_OFFSET(weight_previous), 559 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA = SYN_OFFSET(weight_previous_na), 560 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED = SYN_OFFSET(weight_len_squared), 561 SYNAPTICS_SYSCTL_DIV_MIN = SYN_OFFSET(div_min), 562 SYNAPTICS_SYSCTL_DIV_MAX = SYN_OFFSET(div_max), 563 SYNAPTICS_SYSCTL_DIV_MAX_NA = SYN_OFFSET(div_max_na), 564 SYNAPTICS_SYSCTL_DIV_LEN = SYN_OFFSET(div_len), 565 SYNAPTICS_SYSCTL_TAP_MAX_DELTA = SYN_OFFSET(tap_max_delta), 566 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE = SYN_OFFSET(tap_min_queue), 567 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT = SYN_OFFSET(taphold_timeout), 568 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA = SYN_OFFSET(vscroll_hor_area), 569 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA = SYN_OFFSET(vscroll_ver_area), 570 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA = SYN_OFFSET(vscroll_min_delta), 571 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN = SYN_OFFSET(vscroll_div_min), 572 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX = SYN_OFFSET(vscroll_div_max), 573 SYNAPTICS_SYSCTL_TOUCHPAD_OFF = SYN_OFFSET(touchpad_off), 574 SYNAPTICS_SYSCTL_SOFTBUTTONS_Y = SYN_OFFSET(softbuttons_y), 575 SYNAPTICS_SYSCTL_SOFTBUTTON2_X = SYN_OFFSET(softbutton2_x), 576 SYNAPTICS_SYSCTL_SOFTBUTTON3_X = SYN_OFFSET(softbutton3_x), 577 SYNAPTICS_SYSCTL_THREE_FINGER_DRAG = SYN_OFFSET(three_finger_drag), 578 SYNAPTICS_SYSCTL_NATURAL_SCROLL = SYN_OFFSET(natural_scroll), 579 #define SYNAPTICS_SYSCTL_LAST SYNAPTICS_SYSCTL_NATURAL_SCROLL 580 }; 581 582 /* packet formatting function */ 583 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 584 mousestatus_t *); 585 586 /* function prototypes */ 587 static void psmidentify(driver_t *, device_t); 588 static int psmprobe(device_t); 589 static int psmattach(device_t); 590 static int psmdetach(device_t); 591 static int psmresume(device_t); 592 593 static d_open_t psm_cdev_open; 594 static d_close_t psm_cdev_close; 595 static d_read_t psmread; 596 static d_write_t psmwrite; 597 static d_ioctl_t psmioctl; 598 static d_poll_t psmpoll; 599 600 static int psmopen(struct psm_softc *); 601 static int psmclose(struct psm_softc *); 602 603 #ifdef EVDEV_SUPPORT 604 static evdev_open_t psm_ev_open_r; 605 static evdev_close_t psm_ev_close_r; 606 static evdev_open_t psm_ev_open_a; 607 static evdev_close_t psm_ev_close_a; 608 #endif 609 610 static int enable_aux_dev(KBDC); 611 static int disable_aux_dev(KBDC); 612 static int get_mouse_status(KBDC, int *, int, int); 613 static int get_aux_id(KBDC); 614 static int set_mouse_sampling_rate(KBDC, int); 615 static int set_mouse_scaling(KBDC, int); 616 static int set_mouse_resolution(KBDC, int); 617 static int set_mouse_mode(KBDC); 618 static int get_mouse_buttons(KBDC); 619 static int is_a_mouse(int); 620 static void recover_from_error(KBDC); 621 static int restore_controller(KBDC, int); 622 static int doinitialize(struct psm_softc *, mousemode_t *); 623 static int doopen(struct psm_softc *, int); 624 static int reinitialize(struct psm_softc *, int); 625 static char *model_name(int); 626 static void psmsoftintr(void *); 627 static void psmsoftintridle(void *); 628 static void psmintr(void *); 629 static void psmtimeout(void *); 630 static int timeelapsed(const struct timeval *, int, int, 631 const struct timeval *); 632 static void dropqueue(struct psm_softc *); 633 static void flushpackets(struct psm_softc *); 634 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 635 mousestatus_t *, int *, int *, int *); 636 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 637 mousestatus_t *, int *, int *, int *); 638 static int proc_synaptics_mux(struct psm_softc *, packetbuf_t *); 639 static void proc_versapad(struct psm_softc *, packetbuf_t *, 640 mousestatus_t *, int *, int *, int *); 641 static int proc_elantech(struct psm_softc *, packetbuf_t *, 642 mousestatus_t *, int *, int *, int *); 643 static int psmpalmdetect(struct psm_softc *, finger_t *, int); 644 static void psmgestures(struct psm_softc *, finger_t *, int, 645 mousestatus_t *); 646 static void psmsmoother(struct psm_softc *, finger_t *, int, 647 mousestatus_t *, int *, int *); 648 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 649 u_char *); 650 651 /* vendor specific features */ 652 enum probearg { PROBE, REINIT }; 653 typedef int probefunc_t(struct psm_softc *, enum probearg); 654 655 static int mouse_id_proc1(KBDC, int, int, int *); 656 static int mouse_ext_command(KBDC, int); 657 658 static probefunc_t enable_groller; 659 static probefunc_t enable_gmouse; 660 static probefunc_t enable_aglide; 661 static probefunc_t enable_kmouse; 662 static probefunc_t enable_msexplorer; 663 static probefunc_t enable_msintelli; 664 static probefunc_t enable_4dmouse; 665 static probefunc_t enable_4dplus; 666 static probefunc_t enable_mmanplus; 667 static probefunc_t enable_synaptics; 668 static probefunc_t enable_synaptics_mux; 669 static probefunc_t enable_trackpoint; 670 static probefunc_t enable_versapad; 671 static probefunc_t enable_elantech; 672 673 static void set_trackpoint_parameters(struct psm_softc *sc); 674 static void synaptics_passthrough_on(struct psm_softc *sc); 675 static void synaptics_passthrough_off(struct psm_softc *sc); 676 static int synaptics_preferred_mode(struct psm_softc *sc); 677 static void synaptics_set_mode(struct psm_softc *sc, int mode_byte); 678 679 static struct { 680 int model; 681 u_char syncmask; 682 int packetsize; 683 probefunc_t *probefunc; 684 } vendortype[] = { 685 /* 686 * WARNING: the order of probe is very important. Don't mess it 687 * unless you know what you are doing. 688 */ 689 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad on Active Mux */ 690 0x00, MOUSE_PS2_PACKETSIZE, enable_synaptics_mux }, 691 { MOUSE_MODEL_NET, /* Genius NetMouse */ 692 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 693 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 694 0xc8, 6, enable_groller }, 695 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 696 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 697 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 698 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 699 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 700 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 701 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 702 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 703 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 704 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 705 { MOUSE_MODEL_ELANTECH, /* Elantech Touchpad */ 706 0x04, MOUSE_ELANTECH_PACKETSIZE, enable_elantech }, 707 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 708 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 709 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 710 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 711 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 712 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 713 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 714 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 715 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 716 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 717 { MOUSE_MODEL_GENERIC, 718 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 719 }; 720 #define GENERIC_MOUSE_ENTRY (nitems(vendortype) - 1) 721 722 /* device driver declarateion */ 723 static device_method_t psm_methods[] = { 724 /* Device interface */ 725 DEVMETHOD(device_identify, psmidentify), 726 DEVMETHOD(device_probe, psmprobe), 727 DEVMETHOD(device_attach, psmattach), 728 DEVMETHOD(device_detach, psmdetach), 729 DEVMETHOD(device_resume, psmresume), 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 #define ABSINFO_END { ABS_CNT, 0, 0, 0 } 1694 1695 static void 1696 psm_support_abs_bulk(struct evdev_dev *evdev, const uint16_t info[][4]) 1697 { 1698 size_t i; 1699 1700 for (i = 0; info[i][0] != ABS_CNT; i++) 1701 evdev_support_abs(evdev, info[i][0], info[i][1], info[i][2], 1702 0, 0, info[i][3]); 1703 } 1704 1705 static void 1706 psm_push_mt_finger(struct psm_softc *sc, int id, const finger_t *f) 1707 { 1708 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1709 1710 evdev_push_abs(sc->evdev_a, ABS_MT_SLOT, id); 1711 evdev_push_abs(sc->evdev_a, ABS_MT_TRACKING_ID, id); 1712 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_X, f->x); 1713 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_Y, y); 1714 evdev_push_abs(sc->evdev_a, ABS_MT_PRESSURE, f->p); 1715 } 1716 1717 static void 1718 psm_push_st_finger(struct psm_softc *sc, const finger_t *f) 1719 { 1720 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1721 1722 evdev_push_abs(sc->evdev_a, ABS_X, f->x); 1723 evdev_push_abs(sc->evdev_a, ABS_Y, y); 1724 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, f->p); 1725 if (sc->synhw.capPalmDetect) 1726 evdev_push_abs(sc->evdev_a, ABS_TOOL_WIDTH, f->w); 1727 } 1728 1729 static void 1730 psm_release_mt_slot(struct evdev_dev *evdev, int32_t slot) 1731 { 1732 1733 evdev_push_abs(evdev, ABS_MT_SLOT, slot); 1734 evdev_push_abs(evdev, ABS_MT_TRACKING_ID, -1); 1735 } 1736 1737 static int 1738 psm_register(device_t dev, int model_code) 1739 { 1740 struct psm_softc *sc = device_get_softc(dev); 1741 struct evdev_dev *evdev_r; 1742 int error, i, nbuttons, nwheels, product; 1743 bool is_pointing_stick; 1744 const char *name; 1745 1746 name = model_name(model_code); 1747 nbuttons = sc->hw.buttons; 1748 product = PS2_MOUSE_GENERIC_PRODUCT; 1749 nwheels = 0; 1750 is_pointing_stick = false; 1751 1752 switch (model_code) { 1753 case MOUSE_MODEL_TRACKPOINT: 1754 name = PS2_MOUSE_TRACKPOINT_NAME; 1755 product = PS2_MOUSE_TRACKPOINT_PRODUCT; 1756 nbuttons = 3; 1757 is_pointing_stick = true; 1758 break; 1759 1760 case MOUSE_MODEL_ELANTECH: 1761 name = PS2_MOUSE_ELANTECH_ST_NAME; 1762 product = PS2_MOUSE_ELANTECH_PRODUCT; 1763 nbuttons = 3; 1764 is_pointing_stick = true; 1765 break; 1766 1767 case MOUSE_MODEL_MOUSEMANPLUS: 1768 case MOUSE_MODEL_4D: 1769 nwheels = 2; 1770 break; 1771 1772 case MOUSE_MODEL_EXPLORER: 1773 case MOUSE_MODEL_INTELLI: 1774 case MOUSE_MODEL_NET: 1775 case MOUSE_MODEL_NETSCROLL: 1776 case MOUSE_MODEL_4DPLUS: 1777 nwheels = 1; 1778 break; 1779 } 1780 1781 evdev_r = evdev_alloc(); 1782 evdev_set_name(evdev_r, name); 1783 evdev_set_phys(evdev_r, device_get_nameunit(dev)); 1784 evdev_set_id(evdev_r, BUS_I8042, PS2_MOUSE_VENDOR, product, 0); 1785 evdev_set_methods(evdev_r, sc, &psm_ev_methods_r); 1786 1787 evdev_support_prop(evdev_r, INPUT_PROP_POINTER); 1788 if (is_pointing_stick) 1789 evdev_support_prop(evdev_r, INPUT_PROP_POINTING_STICK); 1790 evdev_support_event(evdev_r, EV_SYN); 1791 evdev_support_event(evdev_r, EV_KEY); 1792 evdev_support_event(evdev_r, EV_REL); 1793 evdev_support_rel(evdev_r, REL_X); 1794 evdev_support_rel(evdev_r, REL_Y); 1795 switch (nwheels) { 1796 case 2: 1797 evdev_support_rel(evdev_r, REL_HWHEEL); 1798 /* FALLTHROUGH */ 1799 case 1: 1800 evdev_support_rel(evdev_r, REL_WHEEL); 1801 } 1802 for (i = 0; i < nbuttons; i++) 1803 evdev_support_key(evdev_r, BTN_MOUSE + i); 1804 1805 error = evdev_register_mtx(evdev_r, &Giant); 1806 if (error) 1807 evdev_free(evdev_r); 1808 else 1809 sc->evdev_r = evdev_r; 1810 return (error); 1811 } 1812 1813 static int 1814 psm_register_synaptics(device_t dev) 1815 { 1816 struct psm_softc *sc = device_get_softc(dev); 1817 const uint16_t synaptics_absinfo_st[][4] = { 1818 { ABS_X, sc->synhw.minimumXCoord, 1819 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1820 { ABS_Y, sc->synhw.minimumYCoord, 1821 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1822 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1823 ABSINFO_END, 1824 }; 1825 const uint16_t synaptics_absinfo_mt[][4] = { 1826 { ABS_MT_SLOT, 0, PSM_FINGERS-1, 0}, 1827 { ABS_MT_TRACKING_ID, -1, PSM_FINGERS-1, 0}, 1828 { ABS_MT_POSITION_X, sc->synhw.minimumXCoord, 1829 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1830 { ABS_MT_POSITION_Y, sc->synhw.minimumYCoord, 1831 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1832 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1833 ABSINFO_END, 1834 }; 1835 struct evdev_dev *evdev_a; 1836 int error, i, guest_model; 1837 1838 evdev_a = evdev_alloc(); 1839 evdev_set_name(evdev_a, PS2_MOUSE_SYNAPTICS_NAME); 1840 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1841 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1842 PS2_MOUSE_SYNAPTICS_PRODUCT, 0); 1843 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1844 1845 evdev_support_event(evdev_a, EV_SYN); 1846 evdev_support_event(evdev_a, EV_KEY); 1847 evdev_support_event(evdev_a, EV_ABS); 1848 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1849 if (sc->synhw.capAdvancedGestures) 1850 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1851 if (sc->synhw.capClickPad) 1852 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1853 if (sc->synhw.capClickPad && sc->synhw.topButtonPad) 1854 evdev_support_prop(evdev_a, INPUT_PROP_TOPBUTTONPAD); 1855 evdev_support_key(evdev_a, BTN_TOUCH); 1856 evdev_support_nfingers(evdev_a, sc->synhw.capReportsV ? 5 : 3); 1857 psm_support_abs_bulk(evdev_a, synaptics_absinfo_st); 1858 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1859 psm_support_abs_bulk(evdev_a, synaptics_absinfo_mt); 1860 if (sc->synhw.capPalmDetect) 1861 evdev_support_abs(evdev_a, ABS_TOOL_WIDTH, 0, 15, 0, 0, 0); 1862 evdev_support_key(evdev_a, BTN_LEFT); 1863 if (!sc->synhw.capClickPad) { 1864 evdev_support_key(evdev_a, BTN_RIGHT); 1865 if (sc->synhw.capExtended && sc->synhw.capMiddle) 1866 evdev_support_key(evdev_a, BTN_MIDDLE); 1867 } 1868 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 1869 evdev_support_key(evdev_a, BTN_BACK); 1870 evdev_support_key(evdev_a, BTN_FORWARD); 1871 } 1872 if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) 1873 for (i = 0; i < sc->synhw.nExtendedButtons; i++) 1874 evdev_support_key(evdev_a, BTN_0 + i); 1875 1876 error = evdev_register_mtx(evdev_a, &Giant); 1877 if (!error && (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX)) { 1878 guest_model = sc->tpinfo.sysctl_tree != NULL ? 1879 MOUSE_MODEL_TRACKPOINT : MOUSE_MODEL_GENERIC; 1880 error = psm_register(dev, guest_model); 1881 } 1882 if (error) 1883 evdev_free(evdev_a); 1884 else 1885 sc->evdev_a = evdev_a; 1886 return (error); 1887 } 1888 1889 static int 1890 psm_register_elantech(device_t dev) 1891 { 1892 struct psm_softc *sc = device_get_softc(dev); 1893 const uint16_t elantech_absinfo[][4] = { 1894 { ABS_X, 0, sc->elanhw.sizex, 1895 sc->elanhw.dpmmx }, 1896 { ABS_Y, 0, sc->elanhw.sizey, 1897 sc->elanhw.dpmmy }, 1898 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1899 { ABS_TOOL_WIDTH, 0, ELANTECH_FINGER_MAX_W, 0 }, 1900 { ABS_MT_SLOT, 0, ELANTECH_MAX_FINGERS - 1, 0 }, 1901 { ABS_MT_TRACKING_ID, -1, ELANTECH_MAX_FINGERS - 1, 0 }, 1902 { ABS_MT_POSITION_X, 0, sc->elanhw.sizex, 1903 sc->elanhw.dpmmx }, 1904 { ABS_MT_POSITION_Y, 0, sc->elanhw.sizey, 1905 sc->elanhw.dpmmy }, 1906 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1907 { ABS_MT_TOUCH_MAJOR, 0, ELANTECH_FINGER_MAX_W * 1908 sc->elanhw.dptracex, 0 }, 1909 ABSINFO_END, 1910 }; 1911 struct evdev_dev *evdev_a; 1912 int error; 1913 1914 evdev_a = evdev_alloc(); 1915 evdev_set_name(evdev_a, PS2_MOUSE_ELANTECH_NAME); 1916 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1917 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1918 PS2_MOUSE_ELANTECH_PRODUCT, 0); 1919 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1920 1921 evdev_support_event(evdev_a, EV_SYN); 1922 evdev_support_event(evdev_a, EV_KEY); 1923 evdev_support_event(evdev_a, EV_ABS); 1924 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1925 if (sc->elanhw.issemimt) 1926 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1927 if (sc->elanhw.isclickpad) 1928 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1929 evdev_support_key(evdev_a, BTN_TOUCH); 1930 evdev_support_nfingers(evdev_a, ELANTECH_MAX_FINGERS); 1931 evdev_support_key(evdev_a, BTN_LEFT); 1932 if (!sc->elanhw.isclickpad) 1933 evdev_support_key(evdev_a, BTN_RIGHT); 1934 psm_support_abs_bulk(evdev_a, elantech_absinfo); 1935 1936 error = evdev_register_mtx(evdev_a, &Giant); 1937 if (!error && sc->elanhw.hastrackpoint) 1938 error = psm_register(dev, MOUSE_MODEL_ELANTECH); 1939 if (error) 1940 evdev_free(evdev_a); 1941 else 1942 sc->evdev_a = evdev_a; 1943 return (error); 1944 } 1945 #endif 1946 1947 static int 1948 psmattach(device_t dev) 1949 { 1950 struct make_dev_args mda; 1951 int unit = device_get_unit(dev); 1952 struct psm_softc *sc = device_get_softc(dev); 1953 int error; 1954 int rid; 1955 1956 /* Setup initial state */ 1957 sc->state = PSM_VALID; 1958 callout_init(&sc->callout, 0); 1959 callout_init(&sc->softcallout, 0); 1960 1961 /* Setup our interrupt handler */ 1962 rid = KBDC_RID_AUX; 1963 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1964 if (sc->intr == NULL) 1965 return (ENXIO); 1966 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1967 &sc->ih); 1968 if (error) 1969 goto out; 1970 1971 /* Done */ 1972 make_dev_args_init(&mda); 1973 mda.mda_devsw = &psm_cdevsw; 1974 mda.mda_mode = 0666; 1975 mda.mda_si_drv1 = sc; 1976 1977 if ((error = make_dev_s(&mda, &sc->dev, "psm%d", unit)) != 0) 1978 goto out; 1979 if ((error = make_dev_s(&mda, &sc->bdev, "bpsm%d", unit)) != 0) 1980 goto out; 1981 1982 #ifdef EVDEV_SUPPORT 1983 switch (sc->hw.model) { 1984 case MOUSE_MODEL_SYNAPTICS: 1985 error = psm_register_synaptics(dev); 1986 break; 1987 1988 case MOUSE_MODEL_ELANTECH: 1989 error = psm_register_elantech(dev); 1990 break; 1991 1992 default: 1993 error = psm_register(dev, sc->hw.model); 1994 } 1995 1996 if (error) 1997 goto out; 1998 #endif 1999 2000 /* Some touchpad devices need full reinitialization after suspend. */ 2001 switch (sc->hw.model) { 2002 case MOUSE_MODEL_SYNAPTICS: 2003 case MOUSE_MODEL_GLIDEPOINT: 2004 case MOUSE_MODEL_VERSAPAD: 2005 case MOUSE_MODEL_ELANTECH: 2006 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2007 break; 2008 default: 2009 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 2010 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2011 break; 2012 } 2013 2014 /* Elantech trackpad`s sync bit differs from touchpad`s one */ 2015 if (sc->hw.model == MOUSE_MODEL_ELANTECH && 2016 (sc->elanhw.hascrc || sc->elanhw.hastrackpoint)) { 2017 sc->config |= PSM_CONFIG_NOCHECKSYNC; 2018 sc->flags &= ~PSM_NEED_SYNCBITS; 2019 } 2020 2021 if (!verbose) 2022 printf("psm%d: model %s, device ID %d\n", 2023 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 2024 else { 2025 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 2026 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 2027 sc->hw.hwid >> 8, sc->hw.buttons); 2028 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 2029 unit, sc->config, sc->flags, sc->mode.packetsize); 2030 printf("psm%d: syncmask:%02x, syncbits:%02x%s\n", 2031 unit, sc->mode.syncmask[0], sc->mode.syncmask[1], 2032 sc->config & PSM_CONFIG_NOCHECKSYNC ? " (sync not checked)" : ""); 2033 } 2034 2035 if (bootverbose) 2036 --verbose; 2037 2038 out: 2039 if (error != 0) { 2040 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2041 if (sc->dev != NULL) 2042 destroy_dev(sc->dev); 2043 if (sc->bdev != NULL) 2044 destroy_dev(sc->bdev); 2045 } 2046 return (error); 2047 } 2048 2049 static int 2050 psmdetach(device_t dev) 2051 { 2052 struct psm_softc *sc; 2053 int rid; 2054 2055 sc = device_get_softc(dev); 2056 if (sc->state & PSM_OPEN) 2057 return (EBUSY); 2058 2059 #ifdef EVDEV_SUPPORT 2060 evdev_free(sc->evdev_r); 2061 evdev_free(sc->evdev_a); 2062 #endif 2063 2064 rid = KBDC_RID_AUX; 2065 bus_teardown_intr(dev, sc->intr, sc->ih); 2066 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2067 2068 destroy_dev(sc->dev); 2069 destroy_dev(sc->bdev); 2070 2071 callout_drain(&sc->callout); 2072 callout_drain(&sc->softcallout); 2073 2074 return (0); 2075 } 2076 2077 #ifdef EVDEV_SUPPORT 2078 static int 2079 psm_ev_open_r(struct evdev_dev *evdev) 2080 { 2081 struct psm_softc *sc = evdev_get_softc(evdev); 2082 int err = 0; 2083 2084 /* Get device data */ 2085 if ((sc->state & PSM_VALID) == 0) { 2086 /* the device is no longer valid/functioning */ 2087 return (ENXIO); 2088 } 2089 2090 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2091 err = psmopen(sc); 2092 2093 if (err == 0) 2094 sc->state |= PSM_EV_OPEN_R; 2095 2096 return (err); 2097 } 2098 2099 static int 2100 psm_ev_close_r(struct evdev_dev *evdev) 2101 { 2102 struct psm_softc *sc = evdev_get_softc(evdev); 2103 int err = 0; 2104 2105 sc->state &= ~PSM_EV_OPEN_R; 2106 2107 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2108 return (0); 2109 2110 if (sc->state & PSM_VALID) 2111 err = psmclose(sc); 2112 2113 return (err); 2114 } 2115 2116 static int 2117 psm_ev_open_a(struct evdev_dev *evdev) 2118 { 2119 struct psm_softc *sc = evdev_get_softc(evdev); 2120 int err = 0; 2121 2122 /* Get device data */ 2123 if ((sc->state & PSM_VALID) == 0) { 2124 /* the device is no longer valid/functioning */ 2125 return (ENXIO); 2126 } 2127 2128 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2129 err = psmopen(sc); 2130 2131 if (err == 0) 2132 sc->state |= PSM_EV_OPEN_A; 2133 2134 return (err); 2135 } 2136 2137 static int 2138 psm_ev_close_a(struct evdev_dev *evdev) 2139 { 2140 struct psm_softc *sc = evdev_get_softc(evdev); 2141 int err = 0; 2142 2143 sc->state &= ~PSM_EV_OPEN_A; 2144 2145 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2146 return (0); 2147 2148 if (sc->state & PSM_VALID) 2149 err = psmclose(sc); 2150 2151 return (err); 2152 } 2153 #endif 2154 2155 static int 2156 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2157 { 2158 struct psm_softc *sc; 2159 int err = 0; 2160 2161 /* Get device data */ 2162 sc = dev->si_drv1; 2163 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2164 /* the device is no longer valid/functioning */ 2165 return (ENXIO); 2166 } 2167 2168 /* Disallow multiple opens */ 2169 if (sc->state & PSM_OPEN) 2170 return (EBUSY); 2171 2172 device_busy(devclass_get_device(psm_devclass, sc->unit)); 2173 2174 #ifdef EVDEV_SUPPORT 2175 /* Already opened by evdev */ 2176 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2177 #endif 2178 err = psmopen(sc); 2179 2180 if (err == 0) 2181 sc->state |= PSM_OPEN; 2182 else 2183 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2184 2185 return (err); 2186 } 2187 2188 static int 2189 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2190 { 2191 struct psm_softc *sc; 2192 int err = 0; 2193 2194 /* Get device data */ 2195 sc = dev->si_drv1; 2196 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2197 /* the device is no longer valid/functioning */ 2198 return (ENXIO); 2199 } 2200 2201 #ifdef EVDEV_SUPPORT 2202 /* Still opened by evdev */ 2203 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2204 #endif 2205 err = psmclose(sc); 2206 2207 if (err == 0) { 2208 sc->state &= ~PSM_OPEN; 2209 /* clean up and sigio requests */ 2210 if (sc->async != NULL) { 2211 funsetown(&sc->async); 2212 sc->async = NULL; 2213 } 2214 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2215 } 2216 2217 return (err); 2218 } 2219 2220 static int 2221 psmopen(struct psm_softc *sc) 2222 { 2223 int command_byte; 2224 int err; 2225 int s; 2226 2227 /* Initialize state */ 2228 sc->mode.level = sc->dflt_mode.level; 2229 sc->mode.protocol = sc->dflt_mode.protocol; 2230 sc->watchdog = FALSE; 2231 sc->async = NULL; 2232 2233 /* flush the event queue */ 2234 sc->queue.count = 0; 2235 sc->queue.head = 0; 2236 sc->queue.tail = 0; 2237 sc->status.flags = 0; 2238 sc->status.button = 0; 2239 sc->status.obutton = 0; 2240 sc->status.dx = 0; 2241 sc->status.dy = 0; 2242 sc->status.dz = 0; 2243 sc->button = 0; 2244 sc->pqueue_start = 0; 2245 sc->pqueue_end = 0; 2246 2247 /* empty input buffer */ 2248 flushpackets(sc); 2249 sc->syncerrors = 0; 2250 sc->pkterrors = 0; 2251 2252 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2253 if (!kbdc_lock(sc->kbdc, TRUE)) 2254 return (EIO); 2255 2256 /* save the current controller command byte */ 2257 s = spltty(); 2258 command_byte = get_controller_command_byte(sc->kbdc); 2259 2260 /* enable the aux port and temporalily disable the keyboard */ 2261 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2262 kbdc_get_device_mask(sc->kbdc), 2263 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2264 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2265 /* CONTROLLER ERROR; do you know how to get out of this? */ 2266 kbdc_lock(sc->kbdc, FALSE); 2267 splx(s); 2268 log(LOG_ERR, 2269 "psm%d: unable to set the command byte (psmopen).\n", 2270 sc->unit); 2271 return (EIO); 2272 } 2273 /* 2274 * Now that the keyboard controller is told not to generate 2275 * the keyboard and mouse interrupts, call `splx()' to allow 2276 * the other tty interrupts. The clock interrupt may also occur, 2277 * but timeout routines will be blocked by the poll flag set 2278 * via `kbdc_lock()' 2279 */ 2280 splx(s); 2281 2282 /* enable the mouse device */ 2283 err = doopen(sc, command_byte); 2284 2285 /* done */ 2286 kbdc_lock(sc->kbdc, FALSE); 2287 return (err); 2288 } 2289 2290 static int 2291 psmclose(struct psm_softc *sc) 2292 { 2293 int stat[3]; 2294 int command_byte; 2295 int s; 2296 2297 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2298 if (!kbdc_lock(sc->kbdc, TRUE)) 2299 return (EIO); 2300 2301 /* save the current controller command byte */ 2302 s = spltty(); 2303 command_byte = get_controller_command_byte(sc->kbdc); 2304 if (command_byte == -1) { 2305 kbdc_lock(sc->kbdc, FALSE); 2306 splx(s); 2307 return (EIO); 2308 } 2309 2310 /* disable the aux interrupt and temporalily disable the keyboard */ 2311 if (!set_controller_command_byte(sc->kbdc, 2312 kbdc_get_device_mask(sc->kbdc), 2313 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2314 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2315 log(LOG_ERR, 2316 "psm%d: failed to disable the aux int (psmclose).\n", 2317 sc->unit); 2318 /* CONTROLLER ERROR; 2319 * NOTE: we shall force our way through. Because the only 2320 * ill effect we shall see is that we may not be able 2321 * to read ACK from the mouse, and it doesn't matter much 2322 * so long as the mouse will accept the DISABLE command. 2323 */ 2324 } 2325 splx(s); 2326 2327 /* stop the watchdog timer */ 2328 callout_stop(&sc->callout); 2329 2330 /* remove anything left in the output buffer */ 2331 empty_aux_buffer(sc->kbdc, 10); 2332 2333 /* disable the aux device, port and interrupt */ 2334 if (sc->state & PSM_VALID) { 2335 if (!disable_aux_dev(sc->kbdc)) { 2336 /* MOUSE ERROR; 2337 * NOTE: we don't return (error) and continue, 2338 * pretending we have successfully disabled the device. 2339 * It's OK because the interrupt routine will discard 2340 * any data from the mouse hereafter. 2341 */ 2342 log(LOG_ERR, 2343 "psm%d: failed to disable the device (psmclose).\n", 2344 sc->unit); 2345 } 2346 2347 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2348 log(LOG_DEBUG, 2349 "psm%d: failed to get status (psmclose).\n", 2350 sc->unit); 2351 } 2352 2353 if (!set_controller_command_byte(sc->kbdc, 2354 kbdc_get_device_mask(sc->kbdc), 2355 (command_byte & KBD_KBD_CONTROL_BITS) | 2356 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2357 /* 2358 * CONTROLLER ERROR; 2359 * we shall ignore this error; see the above comment. 2360 */ 2361 log(LOG_ERR, 2362 "psm%d: failed to disable the aux port (psmclose).\n", 2363 sc->unit); 2364 } 2365 2366 /* remove anything left in the output buffer */ 2367 empty_aux_buffer(sc->kbdc, 10); 2368 2369 /* close is almost always successful */ 2370 kbdc_lock(sc->kbdc, FALSE); 2371 return (0); 2372 } 2373 2374 static int 2375 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2376 u_char *buf) 2377 { 2378 static u_char butmapps2[8] = { 2379 0, 2380 MOUSE_PS2_BUTTON1DOWN, 2381 MOUSE_PS2_BUTTON2DOWN, 2382 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2383 MOUSE_PS2_BUTTON3DOWN, 2384 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2385 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2386 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2387 MOUSE_PS2_BUTTON3DOWN, 2388 }; 2389 static u_char butmapmsc[8] = { 2390 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2391 MOUSE_MSC_BUTTON3UP, 2392 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2393 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2394 MOUSE_MSC_BUTTON3UP, 2395 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2396 MOUSE_MSC_BUTTON2UP, 2397 MOUSE_MSC_BUTTON1UP, 2398 0, 2399 }; 2400 int mapped; 2401 int i; 2402 2403 if (sc->mode.level == PSM_LEVEL_BASE) { 2404 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2405 if (status->button & MOUSE_BUTTON4DOWN) 2406 mapped |= MOUSE_BUTTON1DOWN; 2407 status->button = mapped; 2408 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2409 i = imax(imin(status->dx, 255), -256); 2410 if (i < 0) 2411 buf[0] |= MOUSE_PS2_XNEG; 2412 buf[1] = i; 2413 i = imax(imin(status->dy, 255), -256); 2414 if (i < 0) 2415 buf[0] |= MOUSE_PS2_YNEG; 2416 buf[2] = i; 2417 return (MOUSE_PS2_PACKETSIZE); 2418 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2419 buf[0] = MOUSE_MSC_SYNC | 2420 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2421 i = imax(imin(status->dx, 255), -256); 2422 buf[1] = i >> 1; 2423 buf[3] = i - buf[1]; 2424 i = imax(imin(status->dy, 255), -256); 2425 buf[2] = i >> 1; 2426 buf[4] = i - buf[2]; 2427 i = imax(imin(status->dz, 127), -128); 2428 buf[5] = (i >> 1) & 0x7f; 2429 buf[6] = (i - (i >> 1)) & 0x7f; 2430 buf[7] = (~status->button >> 3) & 0x7f; 2431 return (MOUSE_SYS_PACKETSIZE); 2432 } 2433 return (pb->inputbytes); 2434 } 2435 2436 static int 2437 psmread(struct cdev *dev, struct uio *uio, int flag) 2438 { 2439 struct psm_softc *sc = dev->si_drv1; 2440 u_char buf[PSM_SMALLBUFSIZE]; 2441 int error = 0; 2442 int s; 2443 int l; 2444 2445 if ((sc->state & PSM_VALID) == 0) 2446 return (EIO); 2447 2448 /* block until mouse activity occurred */ 2449 s = spltty(); 2450 while (sc->queue.count <= 0) { 2451 if (dev != sc->bdev) { 2452 splx(s); 2453 return (EWOULDBLOCK); 2454 } 2455 sc->state |= PSM_ASLP; 2456 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2457 sc->state &= ~PSM_ASLP; 2458 if (error) { 2459 splx(s); 2460 return (error); 2461 } else if ((sc->state & PSM_VALID) == 0) { 2462 /* the device disappeared! */ 2463 splx(s); 2464 return (EIO); 2465 } 2466 } 2467 splx(s); 2468 2469 /* copy data to the user land */ 2470 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2471 s = spltty(); 2472 l = imin(sc->queue.count, uio->uio_resid); 2473 if (l > sizeof(buf)) 2474 l = sizeof(buf); 2475 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2476 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2477 sizeof(sc->queue.buf) - sc->queue.head); 2478 bcopy(&sc->queue.buf[0], 2479 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2480 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2481 } else 2482 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2483 sc->queue.count -= l; 2484 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2485 splx(s); 2486 error = uiomove(buf, l, uio); 2487 if (error) 2488 break; 2489 } 2490 2491 return (error); 2492 } 2493 2494 static int 2495 block_mouse_data(struct psm_softc *sc, int *c) 2496 { 2497 int s; 2498 2499 if (!kbdc_lock(sc->kbdc, TRUE)) 2500 return (EIO); 2501 2502 s = spltty(); 2503 *c = get_controller_command_byte(sc->kbdc); 2504 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2505 kbdc_get_device_mask(sc->kbdc), 2506 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2507 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2508 /* this is CONTROLLER ERROR */ 2509 splx(s); 2510 kbdc_lock(sc->kbdc, FALSE); 2511 return (EIO); 2512 } 2513 2514 /* 2515 * The device may be in the middle of status data transmission. 2516 * The transmission will be interrupted, thus, incomplete status 2517 * data must be discarded. Although the aux interrupt is disabled 2518 * at the keyboard controller level, at most one aux interrupt 2519 * may have already been pending and a data byte is in the 2520 * output buffer; throw it away. Note that the second argument 2521 * to `empty_aux_buffer()' is zero, so that the call will just 2522 * flush the internal queue. 2523 * `psmintr()' will be invoked after `splx()' if an interrupt is 2524 * pending; it will see no data and returns immediately. 2525 */ 2526 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2527 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2528 flushpackets(sc); 2529 splx(s); 2530 2531 return (0); 2532 } 2533 2534 static void 2535 dropqueue(struct psm_softc *sc) 2536 { 2537 2538 sc->queue.count = 0; 2539 sc->queue.head = 0; 2540 sc->queue.tail = 0; 2541 if ((sc->state & PSM_SOFTARMED) != 0) { 2542 sc->state &= ~PSM_SOFTARMED; 2543 callout_stop(&sc->softcallout); 2544 } 2545 sc->pqueue_start = sc->pqueue_end; 2546 } 2547 2548 static void 2549 flushpackets(struct psm_softc *sc) 2550 { 2551 2552 dropqueue(sc); 2553 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2554 } 2555 2556 static int 2557 unblock_mouse_data(struct psm_softc *sc, int c) 2558 { 2559 int error = 0; 2560 2561 /* 2562 * We may have seen a part of status data during `set_mouse_XXX()'. 2563 * they have been queued; flush it. 2564 */ 2565 empty_aux_buffer(sc->kbdc, 0); 2566 2567 /* restore ports and interrupt */ 2568 if (!set_controller_command_byte(sc->kbdc, 2569 kbdc_get_device_mask(sc->kbdc), 2570 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2571 /* 2572 * CONTROLLER ERROR; this is serious, we may have 2573 * been left with the inaccessible keyboard and 2574 * the disabled mouse interrupt. 2575 */ 2576 error = EIO; 2577 } 2578 2579 kbdc_lock(sc->kbdc, FALSE); 2580 return (error); 2581 } 2582 2583 static int 2584 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2585 { 2586 struct psm_softc *sc = dev->si_drv1; 2587 u_char buf[PSM_SMALLBUFSIZE]; 2588 int error = 0, i, l; 2589 2590 if ((sc->state & PSM_VALID) == 0) 2591 return (EIO); 2592 2593 if (sc->mode.level < PSM_LEVEL_NATIVE) 2594 return (ENODEV); 2595 2596 /* copy data from the user land */ 2597 while (uio->uio_resid > 0) { 2598 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2599 error = uiomove(buf, l, uio); 2600 if (error) 2601 break; 2602 for (i = 0; i < l; i++) { 2603 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 2604 if (!write_aux_command(sc->kbdc, buf[i])) { 2605 VLOG(2, (LOG_DEBUG, 2606 "psm: cmd 0x%x failed.\n", buf[i])); 2607 return (reinitialize(sc, FALSE)); 2608 } 2609 } 2610 } 2611 2612 return (error); 2613 } 2614 2615 static int 2616 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2617 struct thread *td) 2618 { 2619 struct psm_softc *sc = dev->si_drv1; 2620 mousemode_t mode; 2621 mousestatus_t status; 2622 mousedata_t *data; 2623 int stat[3]; 2624 int command_byte; 2625 int error = 0; 2626 int s; 2627 2628 /* Perform IOCTL command */ 2629 switch (cmd) { 2630 case OLD_MOUSE_GETHWINFO: 2631 s = spltty(); 2632 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2633 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2634 ((old_mousehw_t *)addr)->type = sc->hw.type; 2635 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2636 splx(s); 2637 break; 2638 2639 case MOUSE_GETHWINFO: 2640 s = spltty(); 2641 *(mousehw_t *)addr = sc->hw; 2642 if (sc->mode.level == PSM_LEVEL_BASE) 2643 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2644 splx(s); 2645 break; 2646 2647 case MOUSE_SYN_GETHWINFO: 2648 s = spltty(); 2649 if (sc->synhw.infoMajor >= 4) 2650 *(synapticshw_t *)addr = sc->synhw; 2651 else 2652 error = EINVAL; 2653 splx(s); 2654 break; 2655 2656 case OLD_MOUSE_GETMODE: 2657 s = spltty(); 2658 switch (sc->mode.level) { 2659 case PSM_LEVEL_BASE: 2660 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2661 break; 2662 case PSM_LEVEL_STANDARD: 2663 ((old_mousemode_t *)addr)->protocol = 2664 MOUSE_PROTO_SYSMOUSE; 2665 break; 2666 case PSM_LEVEL_NATIVE: 2667 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2668 break; 2669 } 2670 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2671 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2672 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2673 splx(s); 2674 break; 2675 2676 case MOUSE_GETMODE: 2677 s = spltty(); 2678 *(mousemode_t *)addr = sc->mode; 2679 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2680 ((mousemode_t *)addr)->syncmask[0] = 0; 2681 ((mousemode_t *)addr)->syncmask[1] = 0; 2682 } 2683 ((mousemode_t *)addr)->resolution = 2684 MOUSE_RES_LOW - sc->mode.resolution; 2685 switch (sc->mode.level) { 2686 case PSM_LEVEL_BASE: 2687 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2688 ((mousemode_t *)addr)->packetsize = 2689 MOUSE_PS2_PACKETSIZE; 2690 break; 2691 case PSM_LEVEL_STANDARD: 2692 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2693 ((mousemode_t *)addr)->packetsize = 2694 MOUSE_SYS_PACKETSIZE; 2695 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2696 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2697 break; 2698 case PSM_LEVEL_NATIVE: 2699 /* FIXME: this isn't quite correct... XXX */ 2700 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2701 break; 2702 } 2703 splx(s); 2704 break; 2705 2706 case OLD_MOUSE_SETMODE: 2707 case MOUSE_SETMODE: 2708 if (cmd == OLD_MOUSE_SETMODE) { 2709 mode.rate = ((old_mousemode_t *)addr)->rate; 2710 /* 2711 * resolution old I/F new I/F 2712 * default 0 0 2713 * low 1 -2 2714 * medium low 2 -3 2715 * medium high 3 -4 2716 * high 4 -5 2717 */ 2718 if (((old_mousemode_t *)addr)->resolution > 0) 2719 mode.resolution = 2720 -((old_mousemode_t *)addr)->resolution - 1; 2721 else 2722 mode.resolution = 0; 2723 mode.accelfactor = 2724 ((old_mousemode_t *)addr)->accelfactor; 2725 mode.level = -1; 2726 } else 2727 mode = *(mousemode_t *)addr; 2728 2729 /* adjust and validate parameters. */ 2730 if (mode.rate > UCHAR_MAX) 2731 return (EINVAL); 2732 if (mode.rate == 0) 2733 mode.rate = sc->dflt_mode.rate; 2734 else if (mode.rate == -1) 2735 /* don't change the current setting */ 2736 ; 2737 else if (mode.rate < 0) 2738 return (EINVAL); 2739 if (mode.resolution >= UCHAR_MAX) 2740 return (EINVAL); 2741 if (mode.resolution >= 200) 2742 mode.resolution = MOUSE_RES_HIGH; 2743 else if (mode.resolution >= 100) 2744 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2745 else if (mode.resolution >= 50) 2746 mode.resolution = MOUSE_RES_MEDIUMLOW; 2747 else if (mode.resolution > 0) 2748 mode.resolution = MOUSE_RES_LOW; 2749 if (mode.resolution == MOUSE_RES_DEFAULT) 2750 mode.resolution = sc->dflt_mode.resolution; 2751 else if (mode.resolution == -1) 2752 /* don't change the current setting */ 2753 ; 2754 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2755 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2756 if (mode.level == -1) 2757 /* don't change the current setting */ 2758 mode.level = sc->mode.level; 2759 else if ((mode.level < PSM_LEVEL_MIN) || 2760 (mode.level > PSM_LEVEL_MAX)) 2761 return (EINVAL); 2762 if (mode.accelfactor == -1) 2763 /* don't change the current setting */ 2764 mode.accelfactor = sc->mode.accelfactor; 2765 else if (mode.accelfactor < 0) 2766 return (EINVAL); 2767 2768 /* don't allow anybody to poll the keyboard controller */ 2769 error = block_mouse_data(sc, &command_byte); 2770 if (error) 2771 return (error); 2772 2773 /* set mouse parameters */ 2774 if (mode.rate > 0) 2775 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2776 mode.rate); 2777 if (mode.resolution >= 0) 2778 mode.resolution = 2779 set_mouse_resolution(sc->kbdc, mode.resolution); 2780 set_mouse_scaling(sc->kbdc, 1); 2781 get_mouse_status(sc->kbdc, stat, 0, 3); 2782 2783 s = spltty(); 2784 sc->mode.rate = mode.rate; 2785 sc->mode.resolution = mode.resolution; 2786 sc->mode.accelfactor = mode.accelfactor; 2787 sc->mode.level = mode.level; 2788 splx(s); 2789 2790 unblock_mouse_data(sc, command_byte); 2791 break; 2792 2793 case MOUSE_GETLEVEL: 2794 *(int *)addr = sc->mode.level; 2795 break; 2796 2797 case MOUSE_SETLEVEL: 2798 if ((*(int *)addr < PSM_LEVEL_MIN) || 2799 (*(int *)addr > PSM_LEVEL_MAX)) 2800 return (EINVAL); 2801 sc->mode.level = *(int *)addr; 2802 break; 2803 2804 case MOUSE_GETSTATUS: 2805 s = spltty(); 2806 status = sc->status; 2807 sc->status.flags = 0; 2808 sc->status.obutton = sc->status.button; 2809 sc->status.button = 0; 2810 sc->status.dx = 0; 2811 sc->status.dy = 0; 2812 sc->status.dz = 0; 2813 splx(s); 2814 *(mousestatus_t *)addr = status; 2815 break; 2816 2817 case MOUSE_READSTATE: 2818 case MOUSE_READDATA: 2819 data = (mousedata_t *)addr; 2820 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2821 return (EINVAL); 2822 2823 error = block_mouse_data(sc, &command_byte); 2824 if (error) 2825 return (error); 2826 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2827 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2828 error = EIO; 2829 unblock_mouse_data(sc, command_byte); 2830 break; 2831 2832 #if (defined(MOUSE_SETRESOLUTION)) 2833 case MOUSE_SETRESOLUTION: 2834 mode.resolution = *(int *)addr; 2835 if (mode.resolution >= UCHAR_MAX) 2836 return (EINVAL); 2837 else if (mode.resolution >= 200) 2838 mode.resolution = MOUSE_RES_HIGH; 2839 else if (mode.resolution >= 100) 2840 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2841 else if (mode.resolution >= 50) 2842 mode.resolution = MOUSE_RES_MEDIUMLOW; 2843 else if (mode.resolution > 0) 2844 mode.resolution = MOUSE_RES_LOW; 2845 if (mode.resolution == MOUSE_RES_DEFAULT) 2846 mode.resolution = sc->dflt_mode.resolution; 2847 else if (mode.resolution == -1) 2848 mode.resolution = sc->mode.resolution; 2849 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2850 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2851 2852 error = block_mouse_data(sc, &command_byte); 2853 if (error) 2854 return (error); 2855 sc->mode.resolution = 2856 set_mouse_resolution(sc->kbdc, mode.resolution); 2857 if (sc->mode.resolution != mode.resolution) 2858 error = EIO; 2859 unblock_mouse_data(sc, command_byte); 2860 break; 2861 #endif /* MOUSE_SETRESOLUTION */ 2862 2863 #if (defined(MOUSE_SETRATE)) 2864 case MOUSE_SETRATE: 2865 mode.rate = *(int *)addr; 2866 if (mode.rate > UCHAR_MAX) 2867 return (EINVAL); 2868 if (mode.rate == 0) 2869 mode.rate = sc->dflt_mode.rate; 2870 else if (mode.rate < 0) 2871 mode.rate = sc->mode.rate; 2872 2873 error = block_mouse_data(sc, &command_byte); 2874 if (error) 2875 return (error); 2876 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2877 if (sc->mode.rate != mode.rate) 2878 error = EIO; 2879 unblock_mouse_data(sc, command_byte); 2880 break; 2881 #endif /* MOUSE_SETRATE */ 2882 2883 #if (defined(MOUSE_SETSCALING)) 2884 case MOUSE_SETSCALING: 2885 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2886 return (EINVAL); 2887 2888 error = block_mouse_data(sc, &command_byte); 2889 if (error) 2890 return (error); 2891 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2892 error = EIO; 2893 unblock_mouse_data(sc, command_byte); 2894 break; 2895 #endif /* MOUSE_SETSCALING */ 2896 2897 #if (defined(MOUSE_GETHWID)) 2898 case MOUSE_GETHWID: 2899 error = block_mouse_data(sc, &command_byte); 2900 if (error) 2901 return (error); 2902 sc->hw.hwid &= ~0x00ff; 2903 sc->hw.hwid |= get_aux_id(sc->kbdc); 2904 *(int *)addr = sc->hw.hwid & 0x00ff; 2905 unblock_mouse_data(sc, command_byte); 2906 break; 2907 #endif /* MOUSE_GETHWID */ 2908 2909 case FIONBIO: 2910 case FIOASYNC: 2911 break; 2912 case FIOSETOWN: 2913 error = fsetown(*(int *)addr, &sc->async); 2914 break; 2915 case FIOGETOWN: 2916 *(int *) addr = fgetown(&sc->async); 2917 break; 2918 default: 2919 return (ENOTTY); 2920 } 2921 2922 return (error); 2923 } 2924 2925 static void 2926 psmtimeout(void *arg) 2927 { 2928 struct psm_softc *sc; 2929 int s; 2930 2931 sc = (struct psm_softc *)arg; 2932 s = spltty(); 2933 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2934 VLOG(6, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2935 psmintr(sc); 2936 kbdc_lock(sc->kbdc, FALSE); 2937 } 2938 sc->watchdog = TRUE; 2939 splx(s); 2940 callout_reset(&sc->callout, hz, psmtimeout, sc); 2941 } 2942 2943 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2944 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2945 "ps/2 mouse"); 2946 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2947 "ps/2 mouse"); 2948 2949 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RWTUN, &verbose, 0, 2950 "Verbosity level"); 2951 2952 static int psmhz = 20; 2953 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2954 "Frequency of the softcallout (in hz)"); 2955 static int psmerrsecs = 2; 2956 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2957 "Number of seconds during which packets will dropped after a sync error"); 2958 static int psmerrusecs = 0; 2959 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2960 "Microseconds to add to psmerrsecs"); 2961 static int psmsecs = 0; 2962 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2963 "Max number of seconds between soft interrupts"); 2964 static int psmusecs = 500000; 2965 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2966 "Microseconds to add to psmsecs"); 2967 static int pkterrthresh = 2; 2968 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2969 "Number of error packets allowed before reinitializing the mouse"); 2970 2971 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RWTUN, &tap_enabled, 0, 2972 "Enable tap and drag gestures"); 2973 static int tap_threshold = PSM_TAP_THRESHOLD; 2974 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2975 "Button tap threshold"); 2976 static int tap_timeout = PSM_TAP_TIMEOUT; 2977 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2978 "Tap timeout for touchpads"); 2979 2980 /* Tunables */ 2981 SYSCTL_INT(_hw_psm, OID_AUTO, synaptics_support, CTLFLAG_RDTUN, 2982 &synaptics_support, 0, "Enable support for Synaptics touchpads"); 2983 2984 SYSCTL_INT(_hw_psm, OID_AUTO, trackpoint_support, CTLFLAG_RDTUN, 2985 &trackpoint_support, 0, "Enable support for IBM/Lenovo TrackPoint"); 2986 2987 SYSCTL_INT(_hw_psm, OID_AUTO, elantech_support, CTLFLAG_RDTUN, 2988 &elantech_support, 0, "Enable support for Elantech touchpads"); 2989 2990 SYSCTL_INT(_hw_psm, OID_AUTO, mux_disabled, CTLFLAG_RDTUN, 2991 &mux_disabled, 0, "Disable active multiplexing"); 2992 2993 static void 2994 psmintr(void *arg) 2995 { 2996 struct psm_softc *sc = arg; 2997 struct timeval now; 2998 int c; 2999 packetbuf_t *pb; 3000 3001 if (aux_mux_is_enabled(sc->kbdc)) 3002 VLOG(2, (LOG_DEBUG, "psmintr: active multiplexing mode is not " 3003 "supported!\n")); 3004 3005 /* read until there is nothing to read */ 3006 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 3007 pb = &sc->pqueue[sc->pqueue_end]; 3008 3009 /* discard the byte if the device is not open */ 3010 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 3011 continue; 3012 3013 getmicrouptime(&now); 3014 if ((pb->inputbytes > 0) && 3015 timevalcmp(&now, &sc->inputtimeout, >)) { 3016 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 3017 "resetting byte count\n")); 3018 pb->inputbytes = 0; 3019 sc->syncerrors = 0; 3020 sc->pkterrors = 0; 3021 } 3022 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 3023 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 3024 timevaladd(&sc->inputtimeout, &now); 3025 3026 pb->ipacket[pb->inputbytes++] = c; 3027 3028 if (sc->mode.level == PSM_LEVEL_NATIVE) { 3029 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 3030 sc->syncerrors = 0; 3031 sc->pkterrors = 0; 3032 goto next; 3033 } else { 3034 if (pb->inputbytes < sc->mode.packetsize) 3035 continue; 3036 3037 VLOG(4, (LOG_DEBUG, 3038 "psmintr: %02x %02x %02x %02x %02x %02x\n", 3039 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3040 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3041 } 3042 3043 c = pb->ipacket[0]; 3044 3045 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 3046 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 3047 sc->flags &= ~PSM_NEED_SYNCBITS; 3048 VLOG(2, (LOG_DEBUG, 3049 "psmintr: Sync bytes now %04x,%04x\n", 3050 sc->mode.syncmask[0], sc->mode.syncmask[1])); 3051 } else if ((sc->config & PSM_CONFIG_NOCHECKSYNC) == 0 && 3052 (c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 3053 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 3054 "(%04x != %04x) %d cmds since last error.\n", 3055 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 3056 sc->cmdcount - sc->lasterr)); 3057 sc->lasterr = sc->cmdcount; 3058 /* 3059 * The sync byte test is a weak measure of packet 3060 * validity. Conservatively discard any input yet 3061 * to be seen by userland when we detect a sync 3062 * error since there is a good chance some of 3063 * the queued packets have undetected errors. 3064 */ 3065 dropqueue(sc); 3066 if (sc->syncerrors == 0) 3067 sc->pkterrors++; 3068 ++sc->syncerrors; 3069 sc->lastinputerr = now; 3070 if (sc->syncerrors >= sc->mode.packetsize * 2 || 3071 sc->pkterrors >= pkterrthresh) { 3072 /* 3073 * If we've failed to find a single sync byte 3074 * in 2 packets worth of data, or we've seen 3075 * persistent packet errors during the 3076 * validation period, reinitialize the mouse 3077 * in hopes of returning it to the expected 3078 * mode. 3079 */ 3080 VLOG(3, (LOG_DEBUG, 3081 "psmintr: reset the mouse.\n")); 3082 reinitialize(sc, TRUE); 3083 } else if (sc->syncerrors == sc->mode.packetsize) { 3084 /* 3085 * Try a soft reset after searching for a sync 3086 * byte through a packet length of bytes. 3087 */ 3088 VLOG(3, (LOG_DEBUG, 3089 "psmintr: re-enable the mouse.\n")); 3090 pb->inputbytes = 0; 3091 disable_aux_dev(sc->kbdc); 3092 enable_aux_dev(sc->kbdc); 3093 } else { 3094 VLOG(3, (LOG_DEBUG, 3095 "psmintr: discard a byte (%d)\n", 3096 sc->syncerrors)); 3097 pb->inputbytes--; 3098 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3099 pb->inputbytes); 3100 } 3101 continue; 3102 } 3103 3104 /* 3105 * We have what appears to be a valid packet. 3106 * Reset the error counters. 3107 */ 3108 sc->syncerrors = 0; 3109 3110 /* 3111 * Drop even good packets if they occur within a timeout 3112 * period of a sync error. This allows the detection of 3113 * a change in the mouse's packet mode without exposing 3114 * erratic mouse behavior to the user. Some KVMs forget 3115 * enhanced mouse modes during switch events. 3116 */ 3117 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3118 &now)) { 3119 pb->inputbytes = 0; 3120 continue; 3121 } 3122 3123 /* 3124 * Now that we're out of the validation period, reset 3125 * the packet error count. 3126 */ 3127 sc->pkterrors = 0; 3128 3129 sc->cmdcount++; 3130 next: 3131 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3132 sc->pqueue_end = 0; 3133 /* 3134 * If we've filled the queue then call the softintr ourselves, 3135 * otherwise schedule the interrupt for later. 3136 */ 3137 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3138 (sc->pqueue_end == sc->pqueue_start)) { 3139 if ((sc->state & PSM_SOFTARMED) != 0) { 3140 sc->state &= ~PSM_SOFTARMED; 3141 callout_stop(&sc->softcallout); 3142 } 3143 psmsoftintr(arg); 3144 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3145 sc->state |= PSM_SOFTARMED; 3146 callout_reset(&sc->softcallout, 3147 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3148 } 3149 } 3150 } 3151 3152 static void 3153 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3154 int *x, int *y, int *z) 3155 { 3156 3157 /* 3158 * PS2++ protocol packet 3159 * 3160 * b7 b6 b5 b4 b3 b2 b1 b0 3161 * byte 1: * 1 p3 p2 1 * * * 3162 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3163 * 3164 * p3-p0: packet type 3165 * c1, c2: c1 & c2 == 1, if p2 == 0 3166 * c1 & c2 == 0, if p2 == 1 3167 * 3168 * packet type: 0 (device type) 3169 * See comments in enable_mmanplus() below. 3170 * 3171 * packet type: 1 (wheel data) 3172 * 3173 * b7 b6 b5 b4 b3 b2 b1 b0 3174 * byte 3: h * B5 B4 s d2 d1 d0 3175 * 3176 * h: 1, if horizontal roller data 3177 * 0, if vertical roller data 3178 * B4, B5: button 4 and 5 3179 * s: sign bit 3180 * d2-d0: roller data 3181 * 3182 * packet type: 2 (reserved) 3183 */ 3184 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3185 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3186 /* 3187 * the extended data packet encodes button 3188 * and wheel events 3189 */ 3190 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3191 case 1: 3192 /* wheel data packet */ 3193 *x = *y = 0; 3194 if (pb->ipacket[2] & 0x80) { 3195 /* XXX horizontal roller count - ignore it */ 3196 ; 3197 } else { 3198 /* vertical roller count */ 3199 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3200 (pb->ipacket[2] & 0x0f) - 16 : 3201 (pb->ipacket[2] & 0x0f); 3202 } 3203 ms->button |= (pb->ipacket[2] & 3204 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3205 MOUSE_BUTTON4DOWN : 0; 3206 ms->button |= (pb->ipacket[2] & 3207 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3208 MOUSE_BUTTON5DOWN : 0; 3209 break; 3210 case 2: 3211 /* 3212 * this packet type is reserved by 3213 * Logitech... 3214 */ 3215 /* 3216 * IBM ScrollPoint Mouse uses this 3217 * packet type to encode both vertical 3218 * and horizontal scroll movement. 3219 */ 3220 *x = *y = 0; 3221 /* horizontal count */ 3222 if (pb->ipacket[2] & 0x0f) 3223 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3224 -2 : 2; 3225 /* vertical count */ 3226 if (pb->ipacket[2] & 0xf0) 3227 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3228 -1 : 1; 3229 break; 3230 case 0: 3231 /* device type packet - shouldn't happen */ 3232 /* FALLTHROUGH */ 3233 default: 3234 *x = *y = 0; 3235 ms->button = ms->obutton; 3236 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3237 "type %d: 0x%02x 0x%02x 0x%02x\n", 3238 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3239 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3240 break; 3241 } 3242 } else { 3243 /* preserve button states */ 3244 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3245 } 3246 } 3247 3248 static int 3249 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3250 int *x, int *y, int *z) 3251 { 3252 static int touchpad_buttons; 3253 static int guest_buttons; 3254 static int ew_finger_count; 3255 static finger_t f[PSM_FINGERS]; 3256 int w, id, nfingers, palm, ewcode, extended_buttons, clickpad_pressed; 3257 3258 extended_buttons = 0; 3259 3260 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3261 * 3262 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3263 * ------------------------------------------------ 3264 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3265 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3266 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3267 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3268 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3269 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3270 * 3271 * Legend: 3272 * L: left physical mouse button 3273 * R: right physical mouse button 3274 * D: down button 3275 * U: up button 3276 * W: "wrist" value 3277 * X: x position 3278 * Y: y position 3279 * Z: pressure 3280 * 3281 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3282 * 3283 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3284 * ------------------------------------------------------ 3285 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3286 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3287 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3288 * 3289 * Legend: 3290 * M: Middle physical mouse button 3291 * E: Extended mouse buttons reported instead of low bits of X and Y 3292 * b1-b8: Extended mouse buttons 3293 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3294 * 4 and 5, for reading X and Y value they should be zeroed. 3295 * 3296 * Absolute reportable limits: 0 - 6143. 3297 * Typical bezel limits: 1472 - 5472. 3298 * Typical edge marings: 1632 - 5312. 3299 * 3300 * w = 3 Passthrough Packet 3301 * 3302 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3303 */ 3304 3305 if (!synaptics_support) 3306 return (0); 3307 3308 /* Sanity check for out of sync packets. */ 3309 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3310 (pb->ipacket[3] & 0xc8) != 0xc0) 3311 return (-1); 3312 3313 *x = *y = 0; 3314 ms->button = ms->obutton; 3315 3316 /* 3317 * Pressure value. 3318 * Interpretation: 3319 * z = 0 No finger contact 3320 * z = 10 Finger hovering near the pad 3321 * z = 30 Very light finger contact 3322 * z = 80 Normal finger contact 3323 * z = 110 Very heavy finger contact 3324 * z = 200 Finger lying flat on pad surface 3325 * z = 255 Maximum reportable Z 3326 */ 3327 *z = pb->ipacket[2]; 3328 3329 /* 3330 * Finger width value 3331 * Interpretation: 3332 * w = 0 Two finger on the pad (capMultiFinger needed) 3333 * w = 1 Three or more fingers (capMultiFinger needed) 3334 * w = 2 Pen (instead of finger) (capPen needed) 3335 * w = 3 Reserved (passthrough?) 3336 * w = 4-7 Finger of normal width (capPalmDetect needed) 3337 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3338 * w = 15 Maximum reportable width (capPalmDetect needed) 3339 */ 3340 /* XXX Is checking capExtended enough? */ 3341 if (sc->synhw.capExtended) 3342 w = ((pb->ipacket[0] & 0x30) >> 2) | 3343 ((pb->ipacket[0] & 0x04) >> 1) | 3344 ((pb->ipacket[3] & 0x04) >> 2); 3345 else { 3346 /* Assume a finger of regular width. */ 3347 w = 4; 3348 } 3349 3350 switch (w) { 3351 case 3: 3352 /* 3353 * Handle packets from the guest device. See: 3354 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3355 */ 3356 if (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX) { 3357 *x = ((pb->ipacket[1] & 0x10) ? 3358 pb->ipacket[4] - 256 : pb->ipacket[4]); 3359 *y = ((pb->ipacket[1] & 0x20) ? 3360 pb->ipacket[5] - 256 : pb->ipacket[5]); 3361 *z = 0; 3362 3363 guest_buttons = 0; 3364 if (pb->ipacket[1] & 0x01) 3365 guest_buttons |= MOUSE_BUTTON1DOWN; 3366 if (pb->ipacket[1] & 0x04) 3367 guest_buttons |= MOUSE_BUTTON2DOWN; 3368 if (pb->ipacket[1] & 0x02) 3369 guest_buttons |= MOUSE_BUTTON3DOWN; 3370 #ifdef EVDEV_SUPPORT 3371 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3372 evdev_push_rel(sc->evdev_r, REL_X, *x); 3373 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3374 evdev_push_mouse_btn(sc->evdev_r, 3375 guest_buttons | sc->extended_buttons); 3376 evdev_sync(sc->evdev_r); 3377 } 3378 #endif 3379 ms->button = touchpad_buttons | guest_buttons | 3380 sc->extended_buttons; 3381 } 3382 goto SYNAPTICS_END; 3383 3384 case 2: 3385 /* Handle Extended W mode packets */ 3386 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3387 #if PSM_FINGERS > 1 3388 switch (ewcode) { 3389 case 1: 3390 /* Secondary finger */ 3391 if (sc->synhw.capAdvancedGestures) 3392 f[1] = (finger_t) { 3393 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3394 pb->ipacket[1]) << 1, 3395 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3396 pb->ipacket[2]) << 1, 3397 .p = ((pb->ipacket[3] & 0x30) | 3398 (pb->ipacket[5] & 0x0f)) << 1, 3399 .w = PSM_FINGER_DEFAULT_W, 3400 .flags = PSM_FINGER_FUZZY, 3401 }; 3402 else if (sc->synhw.capReportsV) 3403 f[1] = (finger_t) { 3404 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3405 (pb->ipacket[1] & 0xfe)) << 1, 3406 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3407 (pb->ipacket[2] & 0xfe)) << 1, 3408 .p = ((pb->ipacket[3] & 0x30) | 3409 (pb->ipacket[5] & 0x0e)) << 1, 3410 .w = (((pb->ipacket[5] & 0x01) << 2) | 3411 ((pb->ipacket[2] & 0x01) << 1) | 3412 (pb->ipacket[1] & 0x01)) + 8, 3413 .flags = PSM_FINGER_FUZZY, 3414 }; 3415 break; 3416 case 2: 3417 ew_finger_count = pb->ipacket[1] & 0x0f; 3418 default: 3419 break; 3420 } 3421 #endif 3422 goto SYNAPTICS_END; 3423 3424 case 1: 3425 if (sc->synhw.capReportsV && ew_finger_count > 3) { 3426 nfingers = ew_finger_count; 3427 break; 3428 } 3429 /* FALLTHROUGH */ 3430 case 0: 3431 nfingers = w + 2; 3432 break; 3433 3434 default: 3435 nfingers = 1; 3436 } 3437 3438 if (sc->syninfo.touchpad_off) 3439 goto SYNAPTICS_END; 3440 3441 /* Button presses */ 3442 touchpad_buttons = 0; 3443 if (pb->ipacket[0] & 0x01) 3444 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3445 if (pb->ipacket[0] & 0x02) 3446 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3447 3448 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3449 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3450 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3451 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3452 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3453 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3454 !sc->synhw.capClickPad) { 3455 /* Middle Button */ 3456 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3457 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3458 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3459 /* Extended Buttons */ 3460 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3461 if (sc->syninfo.directional_scrolls) { 3462 if (pb->ipacket[4] & 0x01) 3463 extended_buttons |= MOUSE_BUTTON4DOWN; 3464 if (pb->ipacket[5] & 0x01) 3465 extended_buttons |= MOUSE_BUTTON5DOWN; 3466 if (pb->ipacket[4] & 0x02) 3467 extended_buttons |= MOUSE_BUTTON6DOWN; 3468 if (pb->ipacket[5] & 0x02) 3469 extended_buttons |= MOUSE_BUTTON7DOWN; 3470 } else { 3471 if (pb->ipacket[4] & 0x01) 3472 extended_buttons |= MOUSE_BUTTON1DOWN; 3473 if (pb->ipacket[5] & 0x01) 3474 extended_buttons |= MOUSE_BUTTON3DOWN; 3475 if (pb->ipacket[4] & 0x02) 3476 extended_buttons |= MOUSE_BUTTON2DOWN; 3477 sc->extended_buttons = extended_buttons; 3478 } 3479 3480 /* 3481 * Zero out bits used by extended buttons to avoid 3482 * misinterpretation of the data absolute position. 3483 * 3484 * The bits represented by 3485 * 3486 * (nExtendedButtons + 1) >> 1 3487 * 3488 * will be masked out in both bytes. 3489 * The mask for n bits is computed with the formula 3490 * 3491 * (1 << n) - 1 3492 */ 3493 int maskedbits = 0; 3494 int mask = 0; 3495 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3496 mask = (1 << maskedbits) - 1; 3497 #ifdef EVDEV_SUPPORT 3498 int i; 3499 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3500 if (sc->synhw.capPassthrough) { 3501 evdev_push_mouse_btn(sc->evdev_r, 3502 extended_buttons); 3503 evdev_sync(sc->evdev_r); 3504 } 3505 for (i = 0; i < maskedbits; i++) { 3506 evdev_push_key(sc->evdev_a, 3507 BTN_0 + i * 2, 3508 pb->ipacket[4] & (1 << i)); 3509 evdev_push_key(sc->evdev_a, 3510 BTN_0 + i * 2 + 1, 3511 pb->ipacket[5] & (1 << i)); 3512 } 3513 } 3514 #endif 3515 pb->ipacket[4] &= ~(mask); 3516 pb->ipacket[5] &= ~(mask); 3517 } else if (!sc->syninfo.directional_scrolls && 3518 !sc->gesture.in_vscroll) { 3519 /* 3520 * Keep reporting MOUSE DOWN until we get a new packet 3521 * indicating otherwise. 3522 */ 3523 extended_buttons |= sc->extended_buttons; 3524 } 3525 } 3526 3527 if (sc->synhw.capReportsV && nfingers > 1) 3528 f[0] = (finger_t) { 3529 .x = ((pb->ipacket[3] & 0x10) << 8) | 3530 ((pb->ipacket[1] & 0x0f) << 8) | 3531 (pb->ipacket[4] & 0xfd), 3532 .y = ((pb->ipacket[3] & 0x20) << 7) | 3533 ((pb->ipacket[1] & 0xf0) << 4) | 3534 (pb->ipacket[5] & 0xfd), 3535 .p = *z & 0xfe, 3536 .w = (((pb->ipacket[2] & 0x01) << 2) | 3537 (pb->ipacket[5] & 0x02) | 3538 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3539 .flags = PSM_FINGER_FUZZY, 3540 }; 3541 else 3542 f[0] = (finger_t) { 3543 .x = ((pb->ipacket[3] & 0x10) << 8) | 3544 ((pb->ipacket[1] & 0x0f) << 8) | 3545 pb->ipacket[4], 3546 .y = ((pb->ipacket[3] & 0x20) << 7) | 3547 ((pb->ipacket[1] & 0xf0) << 4) | 3548 pb->ipacket[5], 3549 .p = *z, 3550 .w = w, 3551 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3552 }; 3553 3554 /* Ignore hovering and unmeasurable touches */ 3555 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3556 nfingers = 0; 3557 3558 /* Handle ClickPad */ 3559 if (sc->synhw.capClickPad) { 3560 clickpad_pressed = (pb->ipacket[0] ^ pb->ipacket[3]) & 0x01; 3561 if (sc->synhw.forcePad) { 3562 /* 3563 * Forcepads erroneously report button click if there 3564 * are 2 or more fingers on the touchpad breaking 3565 * multifinger gestures. To workaround this start 3566 * reporting a click only after 4 consecutive single 3567 * touch packets has been received. 3568 * Skip these packets in case more contacts appear. 3569 */ 3570 switch (nfingers) { 3571 case 0: 3572 sc->fpcount = 0; 3573 break; 3574 case 1: 3575 if (clickpad_pressed && sc->fpcount < INT_MAX) 3576 ++sc->fpcount; 3577 /* FALLTHROUGH */ 3578 default: 3579 if (!clickpad_pressed) 3580 sc->fpcount = 0; 3581 if (sc->fpcount >= sc->syninfo.window_min) 3582 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3583 } 3584 } else if (clickpad_pressed) 3585 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3586 } 3587 3588 for (id = 0; id < PSM_FINGERS; id++) 3589 if (id >= nfingers) 3590 PSM_FINGER_RESET(f[id]); 3591 3592 #ifdef EVDEV_SUPPORT 3593 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3594 for (id = 0; id < PSM_FINGERS; id++) { 3595 if (PSM_FINGER_IS_SET(f[id])) 3596 psm_push_mt_finger(sc, id, &f[id]); 3597 else 3598 psm_release_mt_slot(sc->evdev_a, id); 3599 } 3600 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3601 evdev_push_nfingers(sc->evdev_a, nfingers); 3602 if (nfingers > 0) 3603 psm_push_st_finger(sc, &f[0]); 3604 else 3605 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3606 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3607 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3608 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3609 touchpad_buttons & MOUSE_BUTTON4DOWN); 3610 evdev_push_key(sc->evdev_a, BTN_BACK, 3611 touchpad_buttons & MOUSE_BUTTON5DOWN); 3612 } 3613 evdev_sync(sc->evdev_a); 3614 } 3615 #endif 3616 3617 ms->button = touchpad_buttons; 3618 3619 palm = psmpalmdetect(sc, &f[0], nfingers); 3620 3621 /* Palm detection doesn't terminate the current action. */ 3622 if (!palm) 3623 psmgestures(sc, &f[0], nfingers, ms); 3624 3625 for (id = 0; id < PSM_FINGERS; id++) 3626 psmsmoother(sc, &f[id], id, ms, x, y); 3627 3628 if (palm) { 3629 *x = *y = *z = 0; 3630 ms->button = ms->obutton; 3631 return (0); 3632 } 3633 3634 ms->button |= extended_buttons | guest_buttons; 3635 3636 SYNAPTICS_END: 3637 /* 3638 * Use the extra buttons as a scrollwheel 3639 * 3640 * XXX X.Org uses the Z axis for vertical wheel only, 3641 * whereas moused(8) understands special values to differ 3642 * vertical and horizontal wheels. 3643 * 3644 * xf86-input-mouse needs therefore a small patch to 3645 * understand these special values. Without it, the 3646 * horizontal wheel acts as a vertical wheel in X.Org. 3647 * 3648 * That's why the horizontal wheel is disabled by 3649 * default for now. 3650 */ 3651 if (ms->button & MOUSE_BUTTON4DOWN) 3652 *z = -1; 3653 else if (ms->button & MOUSE_BUTTON5DOWN) 3654 *z = 1; 3655 else if (ms->button & MOUSE_BUTTON6DOWN) 3656 *z = -2; 3657 else if (ms->button & MOUSE_BUTTON7DOWN) 3658 *z = 2; 3659 else 3660 *z = 0; 3661 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3662 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3663 3664 return (0); 3665 } 3666 3667 static int 3668 proc_synaptics_mux(struct psm_softc *sc, packetbuf_t *pb) 3669 { 3670 int butt; 3671 3672 /* 3673 * Convert 3-byte interleaved mixture of Synaptics and generic mouse 3674 * packets into plain 6-byte Synaptics packet protocol. 3675 * While in hidden multiplexing mode KBC does some editing of the 3676 * packet stream. It remembers the button bits from the last packet 3677 * received from each device, and replaces the button bits of every 3678 * packet with the logical OR of all devices’ most recent button bits. 3679 * This button crosstalk should be filtered out as Synaptics and 3680 * generic mouse encode middle button presses in a different way. 3681 */ 3682 switch (pb->ipacket[0] & 0xc0) { 3683 case 0x80: /* First 3 bytes of Synaptics packet */ 3684 bcopy(pb->ipacket, sc->muxsave, 3); 3685 /* Compute middle mouse button supression timeout. */ 3686 sc->muxmidtimeout.tv_sec = 0; 3687 sc->muxmidtimeout.tv_usec = 50000; /* ~2-3 ints */ 3688 timevaladd(&sc->muxmidtimeout, &sc->lastsoftintr); 3689 return (1); 3690 3691 case 0xc0: /* Second 3 bytes of Synaptics packet */ 3692 /* Join two 3-bytes absolute packets */ 3693 bcopy(pb->ipacket, pb->ipacket + 3, 3); 3694 bcopy(sc->muxsave, pb->ipacket, 3); 3695 /* Prefer trackpoint buttons over touchpad's */ 3696 pb->ipacket[0] &= ~(0x08 | sc->muxmsbuttons); 3697 pb->ipacket[3] &= ~(0x08 | sc->muxmsbuttons); 3698 butt = (pb->ipacket[3] & 0x03) << 2 | (pb->ipacket[0] & 0x03); 3699 /* Add hysteresis to remove spurious middle button events */ 3700 if (butt != sc->muxtpbuttons && sc->fpcount < 1) { 3701 pb->ipacket[0] &= 0xfc; 3702 pb->ipacket[0] |= sc->muxtpbuttons & 0x03; 3703 pb->ipacket[3] &= 0xfc; 3704 pb->ipacket[3] |= sc->muxtpbuttons >> 2 & 0x03; 3705 ++sc->fpcount; 3706 } else { 3707 sc->fpcount = 0; 3708 sc->muxtpbuttons = butt; 3709 } 3710 /* Filter out impossible w induced by middle trackpoint btn */ 3711 if (sc->synhw.capExtended && !sc->synhw.capPassthrough && 3712 (pb->ipacket[0] & 0x34) == 0x04 && 3713 (pb->ipacket[3] & 0x04) == 0x04) { 3714 pb->ipacket[0] &= 0xfb; 3715 pb->ipacket[3] &= 0xfb; 3716 } 3717 sc->muxsave[0] &= 0x30; 3718 break; 3719 3720 default: /* Generic mouse (Trackpoint) packet */ 3721 /* Filter out middle button events induced by some w values */ 3722 if (sc->muxmsbuttons & 0x03 || pb->ipacket[0] & 0x03 || 3723 (timevalcmp(&sc->lastsoftintr, &sc->muxmidtimeout, <=) && 3724 (sc->muxsave[0] & 0x30 || sc->muxsave[2] > 8))) 3725 pb->ipacket[0] &= 0xfb; 3726 sc->muxmsbuttons = pb->ipacket[0] & 0x07; 3727 /* Convert to Synaptics pass-through protocol */ 3728 pb->ipacket[4] = pb->ipacket[1]; 3729 pb->ipacket[5] = pb->ipacket[2]; 3730 pb->ipacket[1] = pb->ipacket[0]; 3731 pb->ipacket[2] = 0; 3732 pb->ipacket[0] = 0x84 | (sc->muxtpbuttons & 0x03); 3733 pb->ipacket[3] = 0xc4 | (sc->muxtpbuttons >> 2 & 0x03); 3734 } 3735 3736 VLOG(4, (LOG_DEBUG, "synaptics: %02x %02x %02x %02x %02x %02x\n", 3737 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3738 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3739 3740 pb->inputbytes = MOUSE_SYNAPTICS_PACKETSIZE; 3741 return (0); 3742 } 3743 3744 static int 3745 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3746 { 3747 if (!( 3748 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3749 !sc->synhw.capReportsV && nfingers > 1) || 3750 (sc->synhw.capReportsV && nfingers > 2) || 3751 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3752 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3753 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3754 /* 3755 * We consider the packet irrelevant for the current 3756 * action when: 3757 * - the width isn't comprised in: 3758 * [1; max_width] 3759 * - the pressure isn't comprised in: 3760 * [min_pressure; max_pressure] 3761 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3762 */ 3763 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3764 return (1); 3765 } 3766 return (0); 3767 } 3768 3769 static void 3770 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3771 mousestatus_t *ms) 3772 { 3773 smoother_t *smoother; 3774 gesture_t *gest; 3775 finger_t *f; 3776 int y_ok, center_button, center_x, right_button, right_x, i; 3777 3778 f = &fingers[0]; 3779 smoother = &sc->smoother[0]; 3780 gest = &sc->gesture; 3781 3782 /* Find first active finger. */ 3783 if (nfingers > 0) { 3784 for (i = 0; i < PSM_FINGERS; i++) { 3785 if (PSM_FINGER_IS_SET(fingers[i])) { 3786 f = &fingers[i]; 3787 smoother = &sc->smoother[i]; 3788 break; 3789 } 3790 } 3791 } 3792 3793 /* 3794 * Check pressure to detect a real wanted action on the 3795 * touchpad. 3796 */ 3797 if (f->p >= sc->syninfo.min_pressure) { 3798 int x0, y0; 3799 int dxp, dyp; 3800 int start_x, start_y; 3801 int queue_len; 3802 int margin_top, margin_right, margin_bottom, margin_left; 3803 int window_min, window_max; 3804 int vscroll_hor_area, vscroll_ver_area; 3805 int two_finger_scroll; 3806 int max_x, max_y; 3807 int three_finger_drag; 3808 3809 /* Read sysctl. */ 3810 /* XXX Verify values? */ 3811 margin_top = sc->syninfo.margin_top; 3812 margin_right = sc->syninfo.margin_right; 3813 margin_bottom = sc->syninfo.margin_bottom; 3814 margin_left = sc->syninfo.margin_left; 3815 window_min = sc->syninfo.window_min; 3816 window_max = sc->syninfo.window_max; 3817 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3818 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3819 two_finger_scroll = sc->syninfo.two_finger_scroll; 3820 max_x = sc->syninfo.max_x; 3821 max_y = sc->syninfo.max_y; 3822 three_finger_drag = sc->syninfo.three_finger_drag; 3823 /* Read current absolute position. */ 3824 x0 = f->x; 3825 y0 = f->y; 3826 3827 /* 3828 * Limit the coordinates to the specified margins because 3829 * this area isn't very reliable. 3830 */ 3831 if (x0 <= margin_left) 3832 x0 = margin_left; 3833 else if (x0 >= max_x - margin_right) 3834 x0 = max_x - margin_right; 3835 if (y0 <= margin_bottom) 3836 y0 = margin_bottom; 3837 else if (y0 >= max_y - margin_top) 3838 y0 = max_y - margin_top; 3839 3840 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3841 x0, y0, f->p, f->w)); 3842 3843 /* 3844 * If the action is just beginning, init the structure and 3845 * compute tap timeout. 3846 */ 3847 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3848 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3849 3850 /* Initialize queue. */ 3851 gest->window_min = window_min; 3852 3853 /* Reset pressure peak. */ 3854 gest->zmax = 0; 3855 3856 /* Reset fingers count. */ 3857 gest->fingers_nb = 0; 3858 3859 /* Reset virtual scrolling state. */ 3860 gest->in_vscroll = 0; 3861 3862 /* Compute tap timeout. */ 3863 if (tap_enabled != 0) { 3864 gest->taptimeout = (struct timeval) { 3865 .tv_sec = tap_timeout / 1000000, 3866 .tv_usec = tap_timeout % 1000000, 3867 }; 3868 timevaladd( 3869 &gest->taptimeout, &sc->lastsoftintr); 3870 } else 3871 timevalclear(&gest->taptimeout); 3872 3873 sc->flags |= PSM_FLAGS_FINGERDOWN; 3874 3875 /* Smoother has not been reset yet */ 3876 queue_len = 1; 3877 start_x = x0; 3878 start_y = y0; 3879 } else { 3880 queue_len = smoother->queue_len + 1; 3881 start_x = smoother->start_x; 3882 start_y = smoother->start_y; 3883 } 3884 3885 /* Process ClickPad softbuttons */ 3886 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3887 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3888 start_y < sc->syninfo.softbuttons_y : 3889 start_y > max_y + sc->syninfo.softbuttons_y; 3890 3891 center_button = MOUSE_BUTTON2DOWN; 3892 center_x = sc->syninfo.softbutton2_x; 3893 right_button = MOUSE_BUTTON3DOWN; 3894 right_x = sc->syninfo.softbutton3_x; 3895 3896 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3897 center_button = MOUSE_BUTTON3DOWN; 3898 center_x = sc->syninfo.softbutton3_x; 3899 right_button = MOUSE_BUTTON2DOWN; 3900 right_x = sc->syninfo.softbutton2_x; 3901 } 3902 3903 if (right_x > 0 && start_x > right_x && y_ok) 3904 ms->button = (ms->button & 3905 ~MOUSE_BUTTON1DOWN) | right_button; 3906 else if (center_x > 0 && start_x > center_x && y_ok) 3907 ms->button = (ms->button & 3908 ~MOUSE_BUTTON1DOWN) | center_button; 3909 } 3910 3911 /* If in tap-hold or three fingers, add the recorded button. */ 3912 if (gest->in_taphold || (nfingers == 3 && three_finger_drag)) 3913 ms->button |= gest->tap_button; 3914 3915 /* 3916 * For tap, we keep the maximum number of fingers and the 3917 * pressure peak. Also with multiple fingers, we increase 3918 * the minimum window. 3919 */ 3920 if (nfingers > 1) 3921 gest->window_min = window_max; 3922 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3923 gest->zmax = imax(f->p, gest->zmax); 3924 3925 /* Do we have enough packets to consider this a gesture? */ 3926 if (queue_len < gest->window_min) 3927 return; 3928 3929 dyp = -1; 3930 dxp = -1; 3931 3932 /* Is a scrolling action occurring? */ 3933 if (!gest->in_taphold && !ms->button && 3934 (!gest->in_vscroll || two_finger_scroll)) { 3935 /* 3936 * A scrolling action must not conflict with a tap 3937 * action. Here are the conditions to consider a 3938 * scrolling action: 3939 * - the action in a configurable area 3940 * - one of the following: 3941 * . the distance between the last packet and the 3942 * first should be above a configurable minimum 3943 * . tap timed out 3944 */ 3945 dxp = abs(x0 - start_x); 3946 dyp = abs(y0 - start_y); 3947 3948 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3949 dxp >= sc->syninfo.vscroll_min_delta || 3950 dyp >= sc->syninfo.vscroll_min_delta) { 3951 /* 3952 * Handle two finger scrolling. 3953 * Note that we don't rely on fingers_nb 3954 * as that keeps the maximum number of fingers. 3955 */ 3956 if (two_finger_scroll) { 3957 if (nfingers == 2) { 3958 gest->in_vscroll += 3959 dyp ? 2 : 0; 3960 gest->in_vscroll += 3961 dxp ? 1 : 0; 3962 } 3963 } else { 3964 /* Check for horizontal scrolling. */ 3965 if ((vscroll_hor_area > 0 && 3966 start_y <= vscroll_hor_area) || 3967 (vscroll_hor_area < 0 && 3968 start_y >= 3969 max_y + vscroll_hor_area)) 3970 gest->in_vscroll += 2; 3971 3972 /* Check for vertical scrolling. */ 3973 if ((vscroll_ver_area > 0 && 3974 start_x <= vscroll_ver_area) || 3975 (vscroll_ver_area < 0 && 3976 start_x >= 3977 max_x + vscroll_ver_area)) 3978 gest->in_vscroll += 1; 3979 } 3980 3981 /* Avoid conflicts if area overlaps. */ 3982 if (gest->in_vscroll >= 3) 3983 gest->in_vscroll = 3984 (dxp > dyp) ? 2 : 1; 3985 } 3986 } 3987 /* 3988 * Reset two finger scrolling when the number of fingers 3989 * is different from two or any button is pressed. 3990 */ 3991 if (two_finger_scroll && gest->in_vscroll != 0 && 3992 (nfingers != 2 || ms->button)) 3993 gest->in_vscroll = 0; 3994 3995 VLOG(5, (LOG_DEBUG, 3996 "synaptics: virtual scrolling: %s " 3997 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3998 gest->in_vscroll ? "YES" : "NO", 3999 gest->in_vscroll, dxp, dyp, 4000 gest->fingers_nb)); 4001 4002 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4003 /* 4004 * An action is currently taking place but the pressure 4005 * dropped under the minimum, putting an end to it. 4006 */ 4007 int taphold_timeout, dx, dy, tap_max_delta; 4008 4009 dx = abs(smoother->queue[smoother->queue_cursor].x - 4010 smoother->start_x); 4011 dy = abs(smoother->queue[smoother->queue_cursor].y - 4012 smoother->start_y); 4013 4014 /* Max delta is disabled for multi-fingers tap. */ 4015 if (gest->fingers_nb > 1) 4016 tap_max_delta = imax(dx, dy); 4017 else 4018 tap_max_delta = sc->syninfo.tap_max_delta; 4019 4020 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4021 4022 /* Check for tap. */ 4023 VLOG(3, (LOG_DEBUG, 4024 "synaptics: zmax=%d, dx=%d, dy=%d, " 4025 "delta=%d, fingers=%d, queue=%d\n", 4026 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 4027 smoother->queue_len)); 4028 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 4029 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 4030 dx <= tap_max_delta && dy <= tap_max_delta && 4031 smoother->queue_len >= sc->syninfo.tap_min_queue) { 4032 /* 4033 * We have a tap if: 4034 * - the maximum pressure went over tap_threshold 4035 * - the action ended before tap_timeout 4036 * 4037 * To handle tap-hold, we must delay any button push to 4038 * the next action. 4039 */ 4040 if (gest->in_taphold) { 4041 /* 4042 * This is the second and last tap of a 4043 * double tap action, not a tap-hold. 4044 */ 4045 gest->in_taphold = 0; 4046 4047 /* 4048 * For double-tap to work: 4049 * - no button press is emitted (to 4050 * simulate a button release) 4051 * - PSM_FLAGS_FINGERDOWN is set to 4052 * force the next packet to emit a 4053 * button press) 4054 */ 4055 VLOG(2, (LOG_DEBUG, 4056 "synaptics: button RELEASE: %d\n", 4057 gest->tap_button)); 4058 sc->flags |= PSM_FLAGS_FINGERDOWN; 4059 4060 /* Schedule button press on next interrupt */ 4061 sc->idletimeout.tv_sec = psmhz > 1 ? 4062 0 : 1; 4063 sc->idletimeout.tv_usec = psmhz > 1 ? 4064 1000000 / psmhz : 0; 4065 } else { 4066 /* 4067 * This is the first tap: we set the 4068 * tap-hold state and notify the button 4069 * down event. 4070 */ 4071 gest->in_taphold = 1; 4072 taphold_timeout = sc->syninfo.taphold_timeout; 4073 gest->taptimeout.tv_sec = taphold_timeout / 4074 1000000; 4075 gest->taptimeout.tv_usec = taphold_timeout % 4076 1000000; 4077 sc->idletimeout = gest->taptimeout; 4078 timevaladd(&gest->taptimeout, 4079 &sc->lastsoftintr); 4080 4081 switch (gest->fingers_nb) { 4082 case 3: 4083 gest->tap_button = 4084 MOUSE_BUTTON2DOWN; 4085 break; 4086 case 2: 4087 gest->tap_button = 4088 MOUSE_BUTTON3DOWN; 4089 break; 4090 default: 4091 gest->tap_button = 4092 MOUSE_BUTTON1DOWN; 4093 } 4094 VLOG(2, (LOG_DEBUG, 4095 "synaptics: button PRESS: %d\n", 4096 gest->tap_button)); 4097 ms->button |= gest->tap_button; 4098 } 4099 } else { 4100 /* 4101 * Not enough pressure or timeout: reset 4102 * tap-hold state. 4103 */ 4104 if (gest->in_taphold) { 4105 VLOG(2, (LOG_DEBUG, 4106 "synaptics: button RELEASE: %d\n", 4107 gest->tap_button)); 4108 gest->in_taphold = 0; 4109 } else { 4110 VLOG(2, (LOG_DEBUG, 4111 "synaptics: not a tap-hold\n")); 4112 } 4113 } 4114 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 4115 /* 4116 * For a tap-hold to work, the button must remain down at 4117 * least until timeout (where the in_taphold flags will be 4118 * cleared) or during the next action. 4119 */ 4120 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 4121 ms->button |= gest->tap_button; 4122 } else { 4123 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 4124 gest->tap_button)); 4125 gest->in_taphold = 0; 4126 } 4127 } 4128 4129 return; 4130 } 4131 4132 static void 4133 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 4134 mousestatus_t *ms, int *x, int *y) 4135 { 4136 smoother_t *smoother = &sc->smoother[smoother_id]; 4137 gesture_t *gest = &(sc->gesture); 4138 4139 /* 4140 * Check pressure to detect a real wanted action on the 4141 * touchpad. 4142 */ 4143 if (f->p >= sc->syninfo.min_pressure) { 4144 int x0, y0; 4145 int cursor, peer, window; 4146 int dx, dy, dxp, dyp; 4147 int max_width, max_pressure; 4148 int margin_top, margin_right, margin_bottom, margin_left; 4149 int na_top, na_right, na_bottom, na_left; 4150 int window_min, window_max; 4151 int multiplicator; 4152 int weight_current, weight_previous, weight_len_squared; 4153 int div_min, div_max, div_len; 4154 int vscroll_hor_area, vscroll_ver_area; 4155 int two_finger_scroll; 4156 int max_x, max_y; 4157 int len, weight_prev_x, weight_prev_y; 4158 int div_max_x, div_max_y, div_x, div_y; 4159 int is_fuzzy; 4160 int natural_scroll; 4161 4162 /* Read sysctl. */ 4163 /* XXX Verify values? */ 4164 max_width = sc->syninfo.max_width; 4165 max_pressure = sc->syninfo.max_pressure; 4166 margin_top = sc->syninfo.margin_top; 4167 margin_right = sc->syninfo.margin_right; 4168 margin_bottom = sc->syninfo.margin_bottom; 4169 margin_left = sc->syninfo.margin_left; 4170 na_top = sc->syninfo.na_top; 4171 na_right = sc->syninfo.na_right; 4172 na_bottom = sc->syninfo.na_bottom; 4173 na_left = sc->syninfo.na_left; 4174 window_min = sc->syninfo.window_min; 4175 window_max = sc->syninfo.window_max; 4176 multiplicator = sc->syninfo.multiplicator; 4177 weight_current = sc->syninfo.weight_current; 4178 weight_previous = sc->syninfo.weight_previous; 4179 weight_len_squared = sc->syninfo.weight_len_squared; 4180 div_min = sc->syninfo.div_min; 4181 div_max = sc->syninfo.div_max; 4182 div_len = sc->syninfo.div_len; 4183 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 4184 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 4185 two_finger_scroll = sc->syninfo.two_finger_scroll; 4186 max_x = sc->syninfo.max_x; 4187 max_y = sc->syninfo.max_y; 4188 natural_scroll = sc->syninfo.natural_scroll; 4189 4190 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 4191 4192 /* Read current absolute position. */ 4193 x0 = f->x; 4194 y0 = f->y; 4195 4196 /* 4197 * Limit the coordinates to the specified margins because 4198 * this area isn't very reliable. 4199 */ 4200 if (x0 <= margin_left) 4201 x0 = margin_left; 4202 else if (x0 >= max_x - margin_right) 4203 x0 = max_x - margin_right; 4204 if (y0 <= margin_bottom) 4205 y0 = margin_bottom; 4206 else if (y0 >= max_y - margin_top) 4207 y0 = max_y - margin_top; 4208 4209 /* If the action is just beginning, init the structure. */ 4210 if (smoother->active == 0) { 4211 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4212 4213 /* Store the first point of this action. */ 4214 smoother->start_x = x0; 4215 smoother->start_y = y0; 4216 dx = dy = 0; 4217 4218 /* Initialize queue. */ 4219 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4220 smoother->queue_len = 0; 4221 4222 /* Reset average. */ 4223 smoother->avg_dx = 0; 4224 smoother->avg_dy = 0; 4225 4226 /* Reset squelch. */ 4227 smoother->squelch_x = 0; 4228 smoother->squelch_y = 0; 4229 4230 /* Activate queue */ 4231 smoother->active = 1; 4232 } else { 4233 /* Calculate the current delta. */ 4234 cursor = smoother->queue_cursor; 4235 dx = x0 - smoother->queue[cursor].x; 4236 dy = y0 - smoother->queue[cursor].y; 4237 } 4238 4239 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4240 smoother_id, x0, y0, f->p, f->w)); 4241 4242 /* Queue this new packet. */ 4243 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4244 smoother->queue[cursor].x = x0; 4245 smoother->queue[cursor].y = y0; 4246 smoother->queue_cursor = cursor; 4247 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4248 smoother->queue_len++; 4249 VLOG(5, (LOG_DEBUG, 4250 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4251 smoother_id, cursor, x0, y0, dx, dy)); 4252 4253 /* Do we have enough packets to consider this a movement? */ 4254 if (smoother->queue_len < gest->window_min) 4255 return; 4256 4257 weight_prev_x = weight_prev_y = weight_previous; 4258 div_max_x = div_max_y = div_max; 4259 4260 if (gest->in_vscroll) { 4261 /* Dividers are different with virtual scrolling. */ 4262 div_min = sc->syninfo.vscroll_div_min; 4263 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4264 } else { 4265 /* 4266 * There's a lot of noise in coordinates when 4267 * the finger is on the touchpad's borders. When 4268 * using this area, we apply a special weight and 4269 * div. 4270 */ 4271 if (x0 <= na_left || x0 >= max_x - na_right) { 4272 weight_prev_x = sc->syninfo.weight_previous_na; 4273 div_max_x = sc->syninfo.div_max_na; 4274 } 4275 4276 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4277 weight_prev_y = sc->syninfo.weight_previous_na; 4278 div_max_y = sc->syninfo.div_max_na; 4279 } 4280 } 4281 4282 /* 4283 * Calculate weights for the average operands and 4284 * the divisor. Both depend on the distance between 4285 * the current packet and a previous one (based on the 4286 * window width). 4287 */ 4288 window = imin(smoother->queue_len, window_max); 4289 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4290 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4291 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4292 len = (dxp * dxp) + (dyp * dyp); 4293 weight_prev_x = imin(weight_prev_x, 4294 weight_len_squared * weight_prev_x / len); 4295 weight_prev_y = imin(weight_prev_y, 4296 weight_len_squared * weight_prev_y / len); 4297 4298 len = (dxp + dyp) / 2; 4299 div_x = div_len * div_max_x / len; 4300 div_x = imin(div_max_x, div_x); 4301 div_x = imax(div_min, div_x); 4302 div_y = div_len * div_max_y / len; 4303 div_y = imin(div_max_y, div_y); 4304 div_y = imax(div_min, div_y); 4305 4306 VLOG(3, (LOG_DEBUG, 4307 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4308 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4309 div_x, div_y)); 4310 4311 /* Compute averages. */ 4312 smoother->avg_dx = 4313 (weight_current * dx * multiplicator + 4314 weight_prev_x * smoother->avg_dx) / 4315 (weight_current + weight_prev_x); 4316 4317 smoother->avg_dy = 4318 (weight_current * dy * multiplicator + 4319 weight_prev_y * smoother->avg_dy) / 4320 (weight_current + weight_prev_y); 4321 4322 VLOG(5, (LOG_DEBUG, 4323 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4324 smoother->avg_dx / multiplicator, 4325 smoother->avg_dy / multiplicator)); 4326 4327 /* Use these averages to calculate x & y. */ 4328 smoother->squelch_x += smoother->avg_dx; 4329 dxp = smoother->squelch_x / (div_x * multiplicator); 4330 smoother->squelch_x = smoother->squelch_x % 4331 (div_x * multiplicator); 4332 4333 smoother->squelch_y += smoother->avg_dy; 4334 dyp = smoother->squelch_y / (div_y * multiplicator); 4335 smoother->squelch_y = smoother->squelch_y % 4336 (div_y * multiplicator); 4337 4338 switch(gest->in_vscroll) { 4339 case 0: /* Pointer movement. */ 4340 /* On real<->fuzzy finger switch the x/y pos jumps */ 4341 if (is_fuzzy == smoother->is_fuzzy) { 4342 *x += dxp; 4343 *y += dyp; 4344 } 4345 4346 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4347 smoother_id, dx, dy, dxp, dyp)); 4348 break; 4349 case 1: /* Vertical scrolling. */ 4350 if (dyp != 0) { 4351 if (two_finger_scroll && natural_scroll) 4352 ms->button |= (dyp > 0) ? 4353 MOUSE_BUTTON5DOWN : MOUSE_BUTTON4DOWN; 4354 else 4355 ms->button |= (dyp > 0) ? 4356 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4357 } 4358 break; 4359 case 2: /* Horizontal scrolling. */ 4360 if (dxp != 0) { 4361 if (two_finger_scroll && natural_scroll) 4362 ms->button |= (dxp > 0) ? 4363 MOUSE_BUTTON6DOWN : MOUSE_BUTTON7DOWN; 4364 else 4365 ms->button |= (dxp > 0) ? 4366 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4367 } 4368 break; 4369 } 4370 4371 smoother->is_fuzzy = is_fuzzy; 4372 4373 } else { 4374 /* 4375 * Deactivate queue. Note: We can not just reset queue here 4376 * as these values are still used by gesture processor. 4377 * So postpone reset till next touch. 4378 */ 4379 smoother->active = 0; 4380 } 4381 } 4382 4383 static int 4384 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4385 int *x, int *y, int *z) 4386 { 4387 static int touchpad_button, trackpoint_button; 4388 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4389 int pkt, id, scale, i, nfingers, mask, palm; 4390 4391 if (!elantech_support) 4392 return (0); 4393 4394 /* Determine packet format and do a sanity check for out of sync packets. */ 4395 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4396 pkt = ELANTECH_PKT_NOP; 4397 else if (sc->elanhw.hastrackpoint && ELANTECH_PKT_IS_TRACKPOINT(pb)) 4398 pkt = ELANTECH_PKT_TRACKPOINT; 4399 else 4400 switch (sc->elanhw.hwversion) { 4401 case 2: 4402 if (!ELANTECH_PKT_IS_V2(pb)) 4403 return (-1); 4404 4405 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4406 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4407 break; 4408 case 3: 4409 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4410 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4411 return (-1); 4412 4413 pkt = ELANTECH_PKT_V3; 4414 break; 4415 case 4: 4416 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4417 return (-1); 4418 4419 switch (pb->ipacket[3] & 0x03) { 4420 case 0x00: 4421 pkt = ELANTECH_PKT_V4_STATUS; 4422 break; 4423 case 0x01: 4424 pkt = ELANTECH_PKT_V4_HEAD; 4425 break; 4426 case 0x02: 4427 pkt = ELANTECH_PKT_V4_MOTION; 4428 break; 4429 default: 4430 return (-1); 4431 } 4432 break; 4433 default: 4434 return (-1); 4435 } 4436 4437 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4438 4439 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4440 PSM_FINGER_RESET(f[id]); 4441 4442 *x = *y = *z = 0; 4443 ms->button = ms->obutton; 4444 4445 if (sc->syninfo.touchpad_off && pkt != ELANTECH_PKT_TRACKPOINT) 4446 return (0); 4447 4448 /* Common legend 4449 * L: Left mouse button pressed 4450 * R: Right mouse button pressed 4451 * N: number of fingers on touchpad 4452 * X: absolute x value (horizontal) 4453 * Y: absolute y value (vertical) 4454 * W; width of the finger touch 4455 * P: pressure 4456 */ 4457 switch (pkt) { 4458 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4459 /* 7 6 5 4 3 2 1 0 (LSB) 4460 * ------------------------------------------- 4461 * ipacket[0]: N1 N0 W3 W2 . . R L 4462 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4463 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4464 * ipacket[3]: N4 VF W1 W0 . . . B2 4465 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4466 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4467 * ------------------------------------------- 4468 * N4: set if more than 3 fingers (only in 3 fingers mode) 4469 * VF: a kind of flag? (only on EF123, 0 when finger 4470 * is over one of the buttons, 1 otherwise) 4471 * B2: (on EF113 only, 0 otherwise), one button pressed 4472 * P & W is not reported on EF113 touchpads 4473 */ 4474 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4475 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4476 nfingers = 4; 4477 4478 if (nfingers == 0) { 4479 mask = (1 << nfingers) - 1; /* = 0x00 */ 4480 break; 4481 } 4482 4483 /* Map 3-rd and 4-th fingers to first finger */ 4484 mask = (1 << 1) - 1; /* = 0x01 */ 4485 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4486 if (sc->elanhw.haspressure) { 4487 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4488 ((pb->ipacket[3] & 0x30) >> 4); 4489 } else { 4490 f[0].p = PSM_FINGER_DEFAULT_P; 4491 f[0].w = PSM_FINGER_DEFAULT_W; 4492 } 4493 4494 /* 4495 * HW v2 dont report exact finger positions when 3 or more 4496 * fingers are on touchpad. 4497 */ 4498 if (nfingers > 2) 4499 f[0].flags = PSM_FINGER_FUZZY; 4500 4501 break; 4502 4503 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4504 /* 7 6 5 4 3 2 1 0 (LSB) 4505 * ------------------------------------------- 4506 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4507 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4508 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4509 * ipacket[3]: . . BY8 BX8 . . . . 4510 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4511 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4512 * ------------------------------------------- 4513 * AX: lower-left finger absolute x value 4514 * AY: lower-left finger absolute y value 4515 * BX: upper-right finger absolute x value 4516 * BY: upper-right finger absolute y value 4517 */ 4518 nfingers = 2; 4519 mask = (1 << nfingers) - 1; 4520 4521 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4522 f[id] = (finger_t) { 4523 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4524 pb->ipacket[id * 3 + 1]) << 2, 4525 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4526 pb->ipacket[id * 3 + 2]) << 2, 4527 .p = PSM_FINGER_DEFAULT_P, 4528 .w = PSM_FINGER_DEFAULT_W, 4529 /* HW ver.2 sends bounding box */ 4530 .flags = PSM_FINGER_FUZZY 4531 }; 4532 break; 4533 4534 case ELANTECH_PKT_V3: /* HW Version 3 */ 4535 /* 7 6 5 4 3 2 1 0 (LSB) 4536 * ------------------------------------------- 4537 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4538 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4539 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4540 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4541 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4542 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4543 * ------------------------------------------- 4544 */ 4545 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4546 /* Map 3-rd finger to first finger */ 4547 id = nfingers > 2 ? 0 : nfingers - 1; 4548 mask = (1 << (id + 1)) - 1; 4549 4550 if (nfingers == 0) 4551 break; 4552 4553 fn = ELANTECH_FINGER_SET_XYP(pb); 4554 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4555 ((pb->ipacket[3] & 0x30) >> 4); 4556 4557 /* 4558 * HW v3 dont report exact finger positions when 3 or more 4559 * fingers are on touchpad. 4560 */ 4561 if (nfingers > 1) 4562 fn.flags = PSM_FINGER_FUZZY; 4563 4564 if (nfingers == 2) { 4565 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4566 sc->elanaction.fingers[0] = fn; 4567 return (0); 4568 } else 4569 f[0] = sc->elanaction.fingers[0]; 4570 } 4571 f[id] = fn; 4572 break; 4573 4574 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4575 /* 7 6 5 4 3 2 1 0 (LSB) 4576 * ------------------------------------------- 4577 * ipacket[0]: . . . . 0 1 R L 4578 * ipacket[1]: . . . F4 F3 F2 F1 F0 4579 * ipacket[2]: . . . . . . . . 4580 * ipacket[3]: . . . 1 0 0 0 0 4581 * ipacket[4]: PL . . . . . . . 4582 * ipacket[5]: . . . . . . . . 4583 * ------------------------------------------- 4584 * Fn: finger n is on touchpad 4585 * PL: palm 4586 * HV ver4 sends a status packet to indicate that the numbers 4587 * or identities of the fingers has been changed 4588 */ 4589 4590 mask = pb->ipacket[1] & 0x1f; 4591 nfingers = bitcount(mask); 4592 4593 if (sc->elanaction.mask_v4wait != 0) 4594 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4595 " when not all previous head packets received\n")); 4596 4597 /* Bitmap of fingers to receive before gesture processing */ 4598 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4599 4600 /* Skip "new finger is on touchpad" packets */ 4601 if (sc->elanaction.mask_v4wait) { 4602 sc->elanaction.mask = mask; 4603 return (0); 4604 } 4605 4606 break; 4607 4608 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4609 /* 7 6 5 4 3 2 1 0 (LSB) 4610 * ------------------------------------------- 4611 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4612 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4613 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4614 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4615 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4616 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4617 * ------------------------------------------- 4618 * ID: finger id 4619 * HW ver 4 sends head packets in two cases: 4620 * 1. One finger touch and movement. 4621 * 2. Next after status packet to tell new finger positions. 4622 */ 4623 mask = sc->elanaction.mask; 4624 nfingers = bitcount(mask); 4625 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4626 fn = ELANTECH_FINGER_SET_XYP(pb); 4627 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4628 4629 if (id < 0) 4630 return (0); 4631 4632 /* Packet is finger position update. Report it */ 4633 if (sc->elanaction.mask_v4wait == 0) { 4634 if (id < ELANTECH_MAX_FINGERS) 4635 f[id] = fn; 4636 break; 4637 } 4638 4639 /* Remove finger from waiting bitmap and store into context */ 4640 sc->elanaction.mask_v4wait &= ~(1 << id); 4641 if (id < ELANTECH_MAX_FINGERS) 4642 sc->elanaction.fingers[id] = fn; 4643 4644 /* Wait for other fingers if needed */ 4645 if (sc->elanaction.mask_v4wait != 0) 4646 return (0); 4647 4648 /* All new fingers are received. Report them from context */ 4649 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4650 if (sc->elanaction.mask & (1 << id)) 4651 f[id] = sc->elanaction.fingers[id]; 4652 4653 break; 4654 4655 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4656 /* 7 6 5 4 3 2 1 0 (LSB) 4657 * ------------------------------------------- 4658 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4659 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4660 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4661 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4662 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4663 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4664 * ------------------------------------------- 4665 * OF: delta overflows (> 127 or < -128), in this case 4666 * firmware sends us (delta x / 5) and (delta y / 5) 4667 * ID: finger id 4668 * DX: delta x (two's complement) 4669 * XY: delta y (two's complement) 4670 * byte 0 ~ 2 for one finger 4671 * byte 3 ~ 5 for another finger 4672 */ 4673 mask = sc->elanaction.mask; 4674 nfingers = bitcount(mask); 4675 4676 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4677 for (i = 0; i <= 3; i += 3) { 4678 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4679 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4680 continue; 4681 4682 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4683 f[id] = sc->elanaction.fingers[id]; 4684 f[id].x += imax(-f[id].x, 4685 (signed char)pb->ipacket[i+1] * scale); 4686 f[id].y += imax(-f[id].y, 4687 (signed char)pb->ipacket[i+2] * scale); 4688 } else { 4689 VLOG(3, (LOG_DEBUG, "elantech: " 4690 "HW v4 motion packet skipped\n")); 4691 } 4692 } 4693 4694 break; 4695 4696 case ELANTECH_PKT_TRACKPOINT: 4697 /* 7 6 5 4 3 2 1 0 (LSB) 4698 * ------------------------------------------- 4699 * ipacket[0]: 0 0 SY SX 0 M R L 4700 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4701 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4702 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4703 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4704 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4705 * ------------------------------------------- 4706 * X and Y are written in two's complement spread 4707 * over 9 bits with SX/SY the relative top bit and 4708 * X7..X0 and Y7..Y0 the lower bits. 4709 */ 4710 if (!(pb->ipacket[0] & 0xC8) && !(pb->ipacket[1] & 0x7F) && 4711 !(pb->ipacket[2] & 0x7F) && !(pb->ipacket[3] & 0xC9) && 4712 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[1] & 0x80) && 4713 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[3] & 0x10) && 4714 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[2] & 0x80) && 4715 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[3] & 0x20)) { 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 case MOUSE_MODEL_EXPLORER: 4982 /* 4983 * b7 b6 b5 b4 b3 b2 b1 b0 4984 * byte 1: oy ox sy sx 1 M R L 4985 * byte 2: x x x x x x x x 4986 * byte 3: y y y y y y y y 4987 * byte 4: * * S2 S1 s d2 d1 d0 4988 * 4989 * L, M, R, S1, S2: left, middle, right and side buttons 4990 * s: wheel data sign bit 4991 * d2-d0: wheel data 4992 */ 4993 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4994 (pb->ipacket[3] & 0x0f) - 16 : 4995 (pb->ipacket[3] & 0x0f); 4996 ms.button |= 4997 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4998 MOUSE_BUTTON4DOWN : 0; 4999 ms.button |= 5000 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 5001 MOUSE_BUTTON5DOWN : 0; 5002 break; 5003 5004 case MOUSE_MODEL_INTELLI: 5005 case MOUSE_MODEL_NET: 5006 /* wheel data is in the fourth byte */ 5007 z = (char)pb->ipacket[3]; 5008 /* 5009 * XXX some mice may send 7 when there is no Z movement? */ 5010 if ((z >= 7) || (z <= -7)) 5011 z = 0; 5012 /* some compatible mice have additional buttons */ 5013 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 5014 MOUSE_BUTTON4DOWN : 0; 5015 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 5016 MOUSE_BUTTON5DOWN : 0; 5017 break; 5018 5019 case MOUSE_MODEL_MOUSEMANPLUS: 5020 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 5021 break; 5022 5023 case MOUSE_MODEL_GLIDEPOINT: 5024 /* `tapping' action */ 5025 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 5026 MOUSE_BUTTON4DOWN; 5027 break; 5028 5029 case MOUSE_MODEL_NETSCROLL: 5030 /* 5031 * three additional bytes encode buttons and 5032 * wheel events 5033 */ 5034 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 5035 MOUSE_BUTTON4DOWN : 0; 5036 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 5037 MOUSE_BUTTON5DOWN : 0; 5038 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 5039 pb->ipacket[4] - 256 : pb->ipacket[4]; 5040 break; 5041 5042 case MOUSE_MODEL_THINK: 5043 /* the fourth button state in the first byte */ 5044 ms.button |= (c & MOUSE_PS2_TAP) ? 5045 MOUSE_BUTTON4DOWN : 0; 5046 break; 5047 5048 case MOUSE_MODEL_VERSAPAD: 5049 proc_versapad(sc, pb, &ms, &x, &y, &z); 5050 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 5051 ((y < 0) ? MOUSE_PS2_YNEG : 0); 5052 break; 5053 5054 case MOUSE_MODEL_4D: 5055 /* 5056 * b7 b6 b5 b4 b3 b2 b1 b0 5057 * byte 1: s2 d2 s1 d1 1 M R L 5058 * byte 2: sx x x x x x x x 5059 * byte 3: sy y y y y y y y 5060 * 5061 * s1: wheel 1 direction 5062 * d1: wheel 1 data 5063 * s2: wheel 2 direction 5064 * d2: wheel 2 data 5065 */ 5066 x = (pb->ipacket[1] & 0x80) ? 5067 pb->ipacket[1] - 256 : pb->ipacket[1]; 5068 y = (pb->ipacket[2] & 0x80) ? 5069 pb->ipacket[2] - 256 : pb->ipacket[2]; 5070 switch (c & MOUSE_4D_WHEELBITS) { 5071 case 0x10: 5072 z = 1; 5073 break; 5074 case 0x30: 5075 z = -1; 5076 break; 5077 case 0x40: /* XXX 2nd wheel turning right */ 5078 z = 2; 5079 break; 5080 case 0xc0: /* XXX 2nd wheel turning left */ 5081 z = -2; 5082 break; 5083 } 5084 break; 5085 5086 case MOUSE_MODEL_4DPLUS: 5087 if ((x < 16 - 256) && (y < 16 - 256)) { 5088 /* 5089 * b7 b6 b5 b4 b3 b2 b1 b0 5090 * byte 1: 0 0 1 1 1 M R L 5091 * byte 2: 0 0 0 0 1 0 0 0 5092 * byte 3: 0 0 0 0 S s d1 d0 5093 * 5094 * L, M, R, S: left, middle, right, 5095 * and side buttons 5096 * s: wheel data sign bit 5097 * d1-d0: wheel data 5098 */ 5099 x = y = 0; 5100 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 5101 ms.button |= MOUSE_BUTTON4DOWN; 5102 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 5103 ((pb->ipacket[2] & 0x07) - 8) : 5104 (pb->ipacket[2] & 0x07) ; 5105 } else { 5106 /* preserve previous button states */ 5107 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 5108 } 5109 break; 5110 5111 case MOUSE_MODEL_SYNAPTICS: 5112 if (pb->inputbytes == MOUSE_PS2_PACKETSIZE) 5113 if (proc_synaptics_mux(sc, pb)) 5114 goto next; 5115 5116 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) { 5117 VLOG(3, (LOG_DEBUG, "synaptics: " 5118 "packet rejected\n")); 5119 goto next; 5120 } 5121 break; 5122 5123 case MOUSE_MODEL_ELANTECH: 5124 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) { 5125 VLOG(3, (LOG_DEBUG, "elantech: " 5126 "packet rejected\n")); 5127 goto next; 5128 } 5129 break; 5130 5131 case MOUSE_MODEL_TRACKPOINT: 5132 case MOUSE_MODEL_GENERIC: 5133 default: 5134 break; 5135 } 5136 5137 #ifdef EVDEV_SUPPORT 5138 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 5139 sc->hw.model != MOUSE_MODEL_ELANTECH && 5140 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5141 evdev_push_rel(sc->evdev_r, REL_X, x); 5142 evdev_push_rel(sc->evdev_r, REL_Y, -y); 5143 5144 switch (sc->hw.model) { 5145 case MOUSE_MODEL_EXPLORER: 5146 case MOUSE_MODEL_INTELLI: 5147 case MOUSE_MODEL_NET: 5148 case MOUSE_MODEL_NETSCROLL: 5149 case MOUSE_MODEL_4DPLUS: 5150 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5151 break; 5152 case MOUSE_MODEL_MOUSEMANPLUS: 5153 case MOUSE_MODEL_4D: 5154 switch (z) { 5155 case 1: 5156 case -1: 5157 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5158 break; 5159 case 2: 5160 case -2: 5161 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 5162 break; 5163 } 5164 break; 5165 } 5166 5167 evdev_push_mouse_btn(sc->evdev_r, ms.button); 5168 evdev_sync(sc->evdev_r); 5169 } 5170 #endif 5171 5172 /* scale values */ 5173 if (sc->mode.accelfactor >= 1) { 5174 if (x != 0) { 5175 x = x * x / sc->mode.accelfactor; 5176 if (x == 0) 5177 x = 1; 5178 if (c & MOUSE_PS2_XNEG) 5179 x = -x; 5180 } 5181 if (y != 0) { 5182 y = y * y / sc->mode.accelfactor; 5183 if (y == 0) 5184 y = 1; 5185 if (c & MOUSE_PS2_YNEG) 5186 y = -y; 5187 } 5188 } 5189 5190 /* Store last packet for reinjection if it has not been set already */ 5191 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 5192 sc->idlepacket = *pb; 5193 5194 ms.dx = x; 5195 ms.dy = y; 5196 ms.dz = z; 5197 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 5198 (ms.obutton ^ ms.button); 5199 5200 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 5201 5202 sc->status.flags |= ms.flags; 5203 sc->status.dx += ms.dx; 5204 sc->status.dy += ms.dy; 5205 sc->status.dz += ms.dz; 5206 sc->status.button = ms.button; 5207 sc->button = ms.button; 5208 5209 next_native: 5210 sc->watchdog = FALSE; 5211 5212 /* queue data */ 5213 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 5214 l = imin(pb->inputbytes, 5215 sizeof(sc->queue.buf) - sc->queue.tail); 5216 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 5217 if (pb->inputbytes > l) 5218 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 5219 pb->inputbytes - l); 5220 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 5221 sizeof(sc->queue.buf); 5222 sc->queue.count += pb->inputbytes; 5223 } 5224 5225 next: 5226 pb->inputbytes = 0; 5227 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 5228 sc->pqueue_start = 0; 5229 } while (sc->pqueue_start != sc->pqueue_end); 5230 5231 if (sc->state & PSM_ASLP) { 5232 sc->state &= ~PSM_ASLP; 5233 wakeup(sc); 5234 } 5235 selwakeuppri(&sc->rsel, PZERO); 5236 if (sc->async != NULL) { 5237 pgsigio(&sc->async, SIGIO, 0); 5238 } 5239 sc->state &= ~PSM_SOFTARMED; 5240 5241 /* schedule injection of predefined packet after idletimeout 5242 * if no data packets have been received from psmintr */ 5243 if (timevalisset(&sc->idletimeout)) { 5244 sc->state |= PSM_SOFTARMED; 5245 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5246 psmsoftintridle, sc); 5247 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5248 tvtohz(&sc->idletimeout))); 5249 } 5250 splx(s); 5251 } 5252 5253 static int 5254 psmpoll(struct cdev *dev, int events, struct thread *td) 5255 { 5256 struct psm_softc *sc = dev->si_drv1; 5257 int s; 5258 int revents = 0; 5259 5260 /* Return true if a mouse event available */ 5261 s = spltty(); 5262 if (events & (POLLIN | POLLRDNORM)) { 5263 if (sc->queue.count > 0) 5264 revents |= events & (POLLIN | POLLRDNORM); 5265 else 5266 selrecord(td, &sc->rsel); 5267 } 5268 splx(s); 5269 5270 return (revents); 5271 } 5272 5273 /* vendor/model specific routines */ 5274 5275 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5276 { 5277 if (set_mouse_resolution(kbdc, res) != res) 5278 return (FALSE); 5279 if (set_mouse_scaling(kbdc, scale) && 5280 set_mouse_scaling(kbdc, scale) && 5281 set_mouse_scaling(kbdc, scale) && 5282 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5283 return (TRUE); 5284 return (FALSE); 5285 } 5286 5287 static int 5288 mouse_ext_command(KBDC kbdc, int command) 5289 { 5290 int c; 5291 5292 c = (command >> 6) & 0x03; 5293 if (set_mouse_resolution(kbdc, c) != c) 5294 return (FALSE); 5295 c = (command >> 4) & 0x03; 5296 if (set_mouse_resolution(kbdc, c) != c) 5297 return (FALSE); 5298 c = (command >> 2) & 0x03; 5299 if (set_mouse_resolution(kbdc, c) != c) 5300 return (FALSE); 5301 c = (command >> 0) & 0x03; 5302 if (set_mouse_resolution(kbdc, c) != c) 5303 return (FALSE); 5304 return (TRUE); 5305 } 5306 5307 #ifdef notyet 5308 /* Logitech MouseMan Cordless II */ 5309 static int 5310 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5311 { 5312 KBDC kbdc = sc->kbdc; 5313 int status[3]; 5314 int ch; 5315 5316 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5317 return (FALSE); 5318 if (status[1] == PSMD_RES_HIGH) 5319 return (FALSE); 5320 ch = (status[0] & 0x07) - 1; /* channel # */ 5321 if ((ch <= 0) || (ch > 4)) 5322 return (FALSE); 5323 /* 5324 * status[1]: always one? 5325 * status[2]: battery status? (0-100) 5326 */ 5327 return (TRUE); 5328 } 5329 #endif /* notyet */ 5330 5331 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5332 static int 5333 enable_groller(struct psm_softc *sc, enum probearg arg) 5334 { 5335 KBDC kbdc = sc->kbdc; 5336 int status[3]; 5337 5338 /* 5339 * The special sequence to enable the fourth button and the 5340 * roller. Immediately after this sequence check status bytes. 5341 * if the mouse is NetScroll, the second and the third bytes are 5342 * '3' and 'D'. 5343 */ 5344 5345 /* 5346 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5347 * look like the following. 5348 * 5349 * byte 1 bit 7 always 0 5350 * bit 6 stream mode (0) 5351 * bit 5 disabled (0) 5352 * bit 4 1:1 scaling (0) 5353 * bit 3 always 0 5354 * bit 0-2 button status 5355 * byte 2 resolution (PSMD_RES_HIGH) 5356 * byte 3 report rate (?) 5357 */ 5358 5359 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5360 return (FALSE); 5361 if ((status[1] != '3') || (status[2] != 'D')) 5362 return (FALSE); 5363 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5364 if (arg == PROBE) 5365 sc->hw.buttons = 4; 5366 return (TRUE); 5367 } 5368 5369 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5370 static int 5371 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5372 { 5373 KBDC kbdc = sc->kbdc; 5374 int status[3]; 5375 5376 /* 5377 * The special sequence to enable the middle, "rubber" button. 5378 * Immediately after this sequence check status bytes. 5379 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5380 * the second and the third bytes are '3' and 'U'. 5381 * NOTE: NetMouse reports that it has three buttons although it has 5382 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5383 * say they have three buttons too and they do have a button on the 5384 * side... 5385 */ 5386 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5387 return (FALSE); 5388 if ((status[1] != '3') || (status[2] != 'U')) 5389 return (FALSE); 5390 return (TRUE); 5391 } 5392 5393 /* ALPS GlidePoint */ 5394 static int 5395 enable_aglide(struct psm_softc *sc, enum probearg arg) 5396 { 5397 KBDC kbdc = sc->kbdc; 5398 int status[3]; 5399 5400 /* 5401 * The special sequence to obtain ALPS GlidePoint specific 5402 * information. Immediately after this sequence, status bytes will 5403 * contain something interesting. 5404 * NOTE: ALPS produces several models of GlidePoint. Some of those 5405 * do not respond to this sequence, thus, cannot be detected this way. 5406 */ 5407 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5408 return (FALSE); 5409 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5410 return (FALSE); 5411 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5412 return (FALSE); 5413 return (TRUE); 5414 } 5415 5416 /* Kensington ThinkingMouse/Trackball */ 5417 static int 5418 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5419 { 5420 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5421 KBDC kbdc = sc->kbdc; 5422 int status[3]; 5423 int id1; 5424 int id2; 5425 int i; 5426 5427 id1 = get_aux_id(kbdc); 5428 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5429 return (FALSE); 5430 /* 5431 * The device is now in the native mode? It returns a different 5432 * ID value... 5433 */ 5434 id2 = get_aux_id(kbdc); 5435 if ((id1 == id2) || (id2 != 2)) 5436 return (FALSE); 5437 5438 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5439 return (FALSE); 5440 #if PSM_DEBUG >= 2 5441 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5442 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5443 return (FALSE); 5444 #endif 5445 5446 /* 5447 * The special sequence to enable the third and fourth buttons. 5448 * Otherwise they behave like the first and second buttons. 5449 */ 5450 for (i = 0; i < nitems(rate); ++i) 5451 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5452 return (FALSE); 5453 5454 /* 5455 * At this point, the device is using default resolution and 5456 * sampling rate for the native mode. 5457 */ 5458 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5459 return (FALSE); 5460 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5461 return (FALSE); 5462 5463 /* the device appears be enabled by this sequence, diable it for now */ 5464 disable_aux_dev(kbdc); 5465 empty_aux_buffer(kbdc, 5); 5466 5467 return (TRUE); 5468 } 5469 5470 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5471 static int 5472 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5473 { 5474 KBDC kbdc = sc->kbdc; 5475 int data[3]; 5476 5477 /* the special sequence to enable the fourth button and the roller. */ 5478 /* 5479 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5480 * must be called exactly three times since the last RESET command 5481 * before this sequence. XXX 5482 */ 5483 if (!set_mouse_scaling(kbdc, 1)) 5484 return (FALSE); 5485 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5486 return (FALSE); 5487 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5488 return (FALSE); 5489 5490 /* 5491 * PS2++ protocol, packet type 0 5492 * 5493 * b7 b6 b5 b4 b3 b2 b1 b0 5494 * byte 1: * 1 p3 p2 1 * * * 5495 * byte 2: 1 1 p1 p0 m1 m0 1 0 5496 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5497 * 5498 * p3-p0: packet type: 0 5499 * m7-m0: model ID: MouseMan+:0x50, 5500 * FirstMouse+:0x51, 5501 * ScrollPoint:0x58... 5502 */ 5503 /* check constant bits */ 5504 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5505 return (FALSE); 5506 if ((data[1] & 0xc3) != 0xc2) 5507 return (FALSE); 5508 /* check d3-d0 in byte 2 */ 5509 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5510 return (FALSE); 5511 /* check p3-p0 */ 5512 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5513 return (FALSE); 5514 5515 if (arg == PROBE) { 5516 sc->hw.hwid &= 0x00ff; 5517 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5518 } 5519 5520 /* 5521 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5522 * the wheel and the fourth button events are encoded in the 5523 * special data packet. The mouse may be put in the IntelliMouse mode 5524 * if it is initialized by the IntelliMouse's method. 5525 */ 5526 return (TRUE); 5527 } 5528 5529 /* MS IntelliMouse Explorer */ 5530 static int 5531 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5532 { 5533 KBDC kbdc = sc->kbdc; 5534 static u_char rate0[] = { 200, 100, 80, }; 5535 static u_char rate1[] = { 200, 200, 80, }; 5536 int id; 5537 int i; 5538 5539 /* 5540 * This is needed for at least A4Tech X-7xx mice - they do not go 5541 * straight to Explorer mode, but need to be set to Intelli mode 5542 * first. 5543 */ 5544 enable_msintelli(sc, arg); 5545 5546 /* the special sequence to enable the extra buttons and the roller. */ 5547 for (i = 0; i < nitems(rate1); ++i) 5548 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5549 return (FALSE); 5550 /* the device will give the genuine ID only after the above sequence */ 5551 id = get_aux_id(kbdc); 5552 if (id != PSM_EXPLORER_ID) 5553 return (FALSE); 5554 5555 if (arg == PROBE) { 5556 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5557 sc->hw.hwid = id; 5558 } 5559 5560 /* 5561 * XXX: this is a kludge to fool some KVM switch products 5562 * which think they are clever enough to know the 4-byte IntelliMouse 5563 * protocol, and assume any other protocols use 3-byte packets. 5564 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5565 * correctly to the host computer because of this! 5566 * The following sequence is actually IntelliMouse's "wake up" 5567 * sequence; it will make the KVM think the mouse is IntelliMouse 5568 * when it is in fact IntelliMouse Explorer. 5569 */ 5570 for (i = 0; i < nitems(rate0); ++i) 5571 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5572 break; 5573 get_aux_id(kbdc); 5574 5575 return (TRUE); 5576 } 5577 5578 /* 5579 * MS IntelliMouse 5580 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5581 * probe routine and act like IntelliMouse. 5582 */ 5583 static int 5584 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5585 { 5586 KBDC kbdc = sc->kbdc; 5587 static u_char rate[] = { 200, 100, 80, }; 5588 int id; 5589 int i; 5590 5591 /* the special sequence to enable the third button and the roller. */ 5592 for (i = 0; i < nitems(rate); ++i) 5593 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5594 return (FALSE); 5595 /* the device will give the genuine ID only after the above sequence */ 5596 id = get_aux_id(kbdc); 5597 if (id != PSM_INTELLI_ID) 5598 return (FALSE); 5599 5600 if (arg == PROBE) { 5601 sc->hw.buttons = 3; 5602 sc->hw.hwid = id; 5603 } 5604 5605 return (TRUE); 5606 } 5607 5608 /* 5609 * A4 Tech 4D Mouse 5610 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5611 */ 5612 static int 5613 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5614 { 5615 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5616 KBDC kbdc = sc->kbdc; 5617 int id; 5618 int i; 5619 5620 for (i = 0; i < nitems(rate); ++i) 5621 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5622 return (FALSE); 5623 id = get_aux_id(kbdc); 5624 /* 5625 * WinEasy 4D, 4 Way Scroll 4D: 6 5626 * Cable-Free 4D: 8 (4DPLUS) 5627 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5628 */ 5629 if (id != PSM_4DMOUSE_ID) 5630 return (FALSE); 5631 5632 if (arg == PROBE) { 5633 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5634 sc->hw.hwid = id; 5635 } 5636 5637 return (TRUE); 5638 } 5639 5640 /* 5641 * A4 Tech 4D+ Mouse 5642 * Newer wheel mice from A4 Tech seem to use this protocol. 5643 * Older models are recognized as either 4D Mouse or IntelliMouse. 5644 */ 5645 static int 5646 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5647 { 5648 KBDC kbdc = sc->kbdc; 5649 int id; 5650 5651 /* 5652 * enable_4dmouse() already issued the following ID sequence... 5653 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5654 int i; 5655 5656 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5657 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5658 return (FALSE); 5659 */ 5660 5661 id = get_aux_id(kbdc); 5662 switch (id) { 5663 case PSM_4DPLUS_ID: 5664 break; 5665 case PSM_4DPLUS_RFSW35_ID: 5666 break; 5667 default: 5668 return (FALSE); 5669 } 5670 5671 if (arg == PROBE) { 5672 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5673 sc->hw.hwid = id; 5674 } 5675 5676 return (TRUE); 5677 } 5678 5679 /* Synaptics Touchpad */ 5680 static int 5681 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5682 { 5683 struct psm_softc *sc; 5684 int error, arg; 5685 5686 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5687 oidp->oid_arg2 > SYNAPTICS_SYSCTL_LAST) 5688 return (EINVAL); 5689 5690 sc = oidp->oid_arg1; 5691 5692 /* Read the current value. */ 5693 arg = *(int *)((char *)sc + oidp->oid_arg2); 5694 error = sysctl_handle_int(oidp, &arg, 0, req); 5695 5696 /* Sanity check. */ 5697 if (error || !req->newptr) 5698 return (error); 5699 5700 /* 5701 * Check that the new value is in the concerned node's range 5702 * of values. 5703 */ 5704 switch (oidp->oid_arg2) { 5705 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5706 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5707 if (arg < 0 || arg > 255) 5708 return (EINVAL); 5709 break; 5710 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5711 if (arg < 4 || arg > 15) 5712 return (EINVAL); 5713 break; 5714 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5715 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5716 case SYNAPTICS_SYSCTL_NA_TOP: 5717 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5718 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5719 return (EINVAL); 5720 break; 5721 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5722 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5723 /* Softbuttons is clickpad only feature */ 5724 if (!sc->synhw.capClickPad && arg != 0) 5725 return (EINVAL); 5726 /* FALLTHROUGH */ 5727 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5728 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5729 case SYNAPTICS_SYSCTL_NA_RIGHT: 5730 case SYNAPTICS_SYSCTL_NA_LEFT: 5731 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5732 return (EINVAL); 5733 break; 5734 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5735 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5736 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5737 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5738 return (EINVAL); 5739 break; 5740 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5741 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5742 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5743 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5744 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5745 case SYNAPTICS_SYSCTL_DIV_MIN: 5746 case SYNAPTICS_SYSCTL_DIV_MAX: 5747 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5748 case SYNAPTICS_SYSCTL_DIV_LEN: 5749 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5750 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5751 if (arg < 1) 5752 return (EINVAL); 5753 break; 5754 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5755 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5756 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5757 if (arg < 0) 5758 return (EINVAL); 5759 break; 5760 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5761 if (arg < -sc->synhw.maximumXCoord || 5762 arg > sc->synhw.maximumXCoord) 5763 return (EINVAL); 5764 break; 5765 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5766 /* Softbuttons is clickpad only feature */ 5767 if (!sc->synhw.capClickPad && arg != 0) 5768 return (EINVAL); 5769 /* FALLTHROUGH */ 5770 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5771 if (arg < -sc->synhw.maximumYCoord || 5772 arg > sc->synhw.maximumYCoord) 5773 return (EINVAL); 5774 break; 5775 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5776 case SYNAPTICS_SYSCTL_THREE_FINGER_DRAG: 5777 case SYNAPTICS_SYSCTL_NATURAL_SCROLL: 5778 if (arg < 0 || arg > 1) 5779 return (EINVAL); 5780 break; 5781 default: 5782 return (EINVAL); 5783 } 5784 5785 /* Update. */ 5786 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5787 5788 return (error); 5789 } 5790 5791 static void 5792 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5793 { 5794 /* 5795 * Set predefined sizes for softbuttons. 5796 * Values are taken to match HP Pavilion dv6 clickpad drawings 5797 * with thin middle softbutton placed on separator 5798 */ 5799 5800 /* hw.psm.synaptics.softbuttons_y */ 5801 sc->syninfo.softbuttons_y = sc->synhw.topButtonPad ? -1700 : 1700; 5802 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5803 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5804 "softbuttons_y", 5805 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5806 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5807 synaptics_sysctl, "I", 5808 "Vertical size of softbuttons area"); 5809 5810 /* hw.psm.synaptics.softbutton2_x */ 5811 sc->syninfo.softbutton2_x = 3100; 5812 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5813 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5814 "softbutton2_x", 5815 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5816 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5817 synaptics_sysctl, "I", 5818 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5819 5820 /* hw.psm.synaptics.softbutton3_x */ 5821 sc->syninfo.softbutton3_x = 3900; 5822 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5823 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5824 "softbutton3_x", 5825 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5826 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5827 synaptics_sysctl, "I", 5828 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5829 } 5830 5831 static void 5832 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5833 const char *descr) 5834 { 5835 5836 if (sc->syninfo.sysctl_tree != NULL) 5837 return; 5838 5839 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5840 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5841 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5842 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, 5843 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, descr); 5844 5845 /* hw.psm.synaptics.directional_scrolls. */ 5846 sc->syninfo.directional_scrolls = 0; 5847 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5848 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5849 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5850 &sc->syninfo.directional_scrolls, 0, 5851 "Enable hardware scrolling pad (if non-zero) or register it as " 5852 "extended buttons (if 0)"); 5853 5854 /* hw.psm.synaptics.max_x. */ 5855 sc->syninfo.max_x = 6143; 5856 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5857 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5858 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5859 &sc->syninfo.max_x, 0, 5860 "Horizontal reporting range"); 5861 5862 /* hw.psm.synaptics.max_y. */ 5863 sc->syninfo.max_y = 6143; 5864 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5865 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5866 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5867 &sc->syninfo.max_y, 0, 5868 "Vertical reporting range"); 5869 5870 /* 5871 * Turn off two finger scroll if we have a 5872 * physical area reserved for scrolling or when 5873 * there's no multi finger support. 5874 */ 5875 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5876 sc->synhw.capAdvancedGestures == 0)) 5877 sc->syninfo.two_finger_scroll = 0; 5878 else 5879 sc->syninfo.two_finger_scroll = 1; 5880 /* hw.psm.synaptics.two_finger_scroll. */ 5881 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5882 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5883 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5884 &sc->syninfo.two_finger_scroll, 0, 5885 "Enable two finger scrolling"); 5886 5887 /* hw.psm.synaptics.min_pressure. */ 5888 sc->syninfo.min_pressure = 32; 5889 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5890 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5891 "min_pressure", 5892 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5893 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5894 synaptics_sysctl, "I", 5895 "Minimum pressure required to start an action"); 5896 5897 /* hw.psm.synaptics.max_pressure. */ 5898 sc->syninfo.max_pressure = 220; 5899 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5900 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5901 "max_pressure", 5902 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5903 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5904 synaptics_sysctl, "I", 5905 "Maximum pressure to detect palm"); 5906 5907 /* hw.psm.synaptics.max_width. */ 5908 sc->syninfo.max_width = 10; 5909 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5910 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5911 "max_width", 5912 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5913 sc, SYNAPTICS_SYSCTL_MAX_WIDTH, 5914 synaptics_sysctl, "I", 5915 "Maximum finger width to detect palm"); 5916 5917 /* hw.psm.synaptics.top_margin. */ 5918 sc->syninfo.margin_top = 200; 5919 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5920 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5921 "margin_top", 5922 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5923 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5924 synaptics_sysctl, "I", 5925 "Top margin"); 5926 5927 /* hw.psm.synaptics.right_margin. */ 5928 sc->syninfo.margin_right = 200; 5929 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5930 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5931 "margin_right", 5932 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5933 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5934 synaptics_sysctl, "I", 5935 "Right margin"); 5936 5937 /* hw.psm.synaptics.bottom_margin. */ 5938 sc->syninfo.margin_bottom = 200; 5939 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5940 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5941 "margin_bottom", 5942 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5943 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5944 synaptics_sysctl, "I", 5945 "Bottom margin"); 5946 5947 /* hw.psm.synaptics.left_margin. */ 5948 sc->syninfo.margin_left = 200; 5949 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5950 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5951 "margin_left", 5952 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5953 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5954 synaptics_sysctl, "I", 5955 "Left margin"); 5956 5957 /* hw.psm.synaptics.na_top. */ 5958 sc->syninfo.na_top = 1783; 5959 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5960 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5961 "na_top", 5962 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5963 sc, SYNAPTICS_SYSCTL_NA_TOP, 5964 synaptics_sysctl, "I", 5965 "Top noisy area, where weight_previous_na is used instead " 5966 "of weight_previous"); 5967 5968 /* hw.psm.synaptics.na_right. */ 5969 sc->syninfo.na_right = 563; 5970 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5971 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5972 "na_right", 5973 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5974 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 5975 synaptics_sysctl, "I", 5976 "Right noisy area, where weight_previous_na is used instead " 5977 "of weight_previous"); 5978 5979 /* hw.psm.synaptics.na_bottom. */ 5980 sc->syninfo.na_bottom = 1408; 5981 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5982 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5983 "na_bottom", 5984 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5985 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 5986 synaptics_sysctl, "I", 5987 "Bottom noisy area, where weight_previous_na is used instead " 5988 "of weight_previous"); 5989 5990 /* hw.psm.synaptics.na_left. */ 5991 sc->syninfo.na_left = 1600; 5992 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5993 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5994 "na_left", 5995 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5996 sc, SYNAPTICS_SYSCTL_NA_LEFT, 5997 synaptics_sysctl, "I", 5998 "Left noisy area, where weight_previous_na is used instead " 5999 "of weight_previous"); 6000 6001 /* hw.psm.synaptics.window_min. */ 6002 sc->syninfo.window_min = 4; 6003 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6004 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6005 "window_min", 6006 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6007 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 6008 synaptics_sysctl, "I", 6009 "Minimum window size to start an action"); 6010 6011 /* hw.psm.synaptics.window_max. */ 6012 sc->syninfo.window_max = 10; 6013 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6014 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6015 "window_max", 6016 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6017 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 6018 synaptics_sysctl, "I", 6019 "Maximum window size"); 6020 6021 /* hw.psm.synaptics.multiplicator. */ 6022 sc->syninfo.multiplicator = 10000; 6023 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6024 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6025 "multiplicator", 6026 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6027 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 6028 synaptics_sysctl, "I", 6029 "Multiplicator to increase precision in averages and divisions"); 6030 6031 /* hw.psm.synaptics.weight_current. */ 6032 sc->syninfo.weight_current = 3; 6033 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6034 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6035 "weight_current", 6036 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6037 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 6038 synaptics_sysctl, "I", 6039 "Weight of the current movement in the new average"); 6040 6041 /* hw.psm.synaptics.weight_previous. */ 6042 sc->syninfo.weight_previous = 6; 6043 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6044 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6045 "weight_previous", 6046 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6047 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 6048 synaptics_sysctl, "I", 6049 "Weight of the previous average"); 6050 6051 /* hw.psm.synaptics.weight_previous_na. */ 6052 sc->syninfo.weight_previous_na = 20; 6053 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6054 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6055 "weight_previous_na", 6056 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6057 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 6058 synaptics_sysctl, "I", 6059 "Weight of the previous average (inside the noisy area)"); 6060 6061 /* hw.psm.synaptics.weight_len_squared. */ 6062 sc->syninfo.weight_len_squared = 2000; 6063 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6064 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6065 "weight_len_squared", 6066 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6067 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 6068 synaptics_sysctl, "I", 6069 "Length (squared) of segments where weight_previous " 6070 "starts to decrease"); 6071 6072 /* hw.psm.synaptics.div_min. */ 6073 sc->syninfo.div_min = 9; 6074 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6075 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6076 "div_min", 6077 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6078 sc, SYNAPTICS_SYSCTL_DIV_MIN, 6079 synaptics_sysctl, "I", 6080 "Divisor for fast movements"); 6081 6082 /* hw.psm.synaptics.div_max. */ 6083 sc->syninfo.div_max = 17; 6084 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6085 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6086 "div_max", 6087 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6088 sc, SYNAPTICS_SYSCTL_DIV_MAX, 6089 synaptics_sysctl, "I", 6090 "Divisor for slow movements"); 6091 6092 /* hw.psm.synaptics.div_max_na. */ 6093 sc->syninfo.div_max_na = 30; 6094 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6095 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6096 "div_max_na", 6097 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6098 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 6099 synaptics_sysctl, "I", 6100 "Divisor with slow movements (inside the noisy area)"); 6101 6102 /* hw.psm.synaptics.div_len. */ 6103 sc->syninfo.div_len = 100; 6104 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6105 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6106 "div_len", 6107 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6108 sc, SYNAPTICS_SYSCTL_DIV_LEN, 6109 synaptics_sysctl, "I", 6110 "Length of segments where div_max starts to decrease"); 6111 6112 /* hw.psm.synaptics.tap_max_delta. */ 6113 sc->syninfo.tap_max_delta = 80; 6114 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6115 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6116 "tap_max_delta", 6117 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6118 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 6119 synaptics_sysctl, "I", 6120 "Length of segments above which a tap is ignored"); 6121 6122 /* hw.psm.synaptics.tap_min_queue. */ 6123 sc->syninfo.tap_min_queue = 2; 6124 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6125 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6126 "tap_min_queue", 6127 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6128 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 6129 synaptics_sysctl, "I", 6130 "Number of packets required to consider a tap"); 6131 6132 /* hw.psm.synaptics.taphold_timeout. */ 6133 sc->gesture.in_taphold = 0; 6134 sc->syninfo.taphold_timeout = tap_timeout; 6135 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6136 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6137 "taphold_timeout", 6138 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6139 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 6140 synaptics_sysctl, "I", 6141 "Maximum elapsed time between two taps to consider a tap-hold " 6142 "action"); 6143 6144 /* hw.psm.synaptics.vscroll_hor_area. */ 6145 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 6146 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6147 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6148 "vscroll_hor_area", 6149 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6150 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 6151 synaptics_sysctl, "I", 6152 "Area reserved for horizontal virtual scrolling"); 6153 6154 /* hw.psm.synaptics.vscroll_ver_area. */ 6155 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 6156 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6157 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6158 "vscroll_ver_area", 6159 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6160 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 6161 synaptics_sysctl, "I", 6162 "Area reserved for vertical virtual scrolling"); 6163 6164 /* hw.psm.synaptics.vscroll_min_delta. */ 6165 sc->syninfo.vscroll_min_delta = 50; 6166 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6167 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6168 "vscroll_min_delta", 6169 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6170 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 6171 synaptics_sysctl, "I", 6172 "Minimum movement to consider virtual scrolling"); 6173 6174 /* hw.psm.synaptics.vscroll_div_min. */ 6175 sc->syninfo.vscroll_div_min = 100; 6176 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6177 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6178 "vscroll_div_min", 6179 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6180 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 6181 synaptics_sysctl, "I", 6182 "Divisor for fast scrolling"); 6183 6184 /* hw.psm.synaptics.vscroll_div_min. */ 6185 sc->syninfo.vscroll_div_max = 150; 6186 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6187 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6188 "vscroll_div_max", 6189 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6190 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 6191 synaptics_sysctl, "I", 6192 "Divisor for slow scrolling"); 6193 6194 /* hw.psm.synaptics.touchpad_off. */ 6195 sc->syninfo.touchpad_off = 0; 6196 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6197 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6198 "touchpad_off", 6199 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6200 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 6201 synaptics_sysctl, "I", 6202 "Turn off touchpad"); 6203 6204 sc->syninfo.three_finger_drag = 0; 6205 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6206 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6207 "three_finger_drag", 6208 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6209 sc, SYNAPTICS_SYSCTL_THREE_FINGER_DRAG, 6210 synaptics_sysctl, "I", 6211 "Enable dragging with three fingers"); 6212 6213 /* hw.psm.synaptics.natural_scroll. */ 6214 sc->syninfo.natural_scroll = 0; 6215 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6216 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6217 "natural_scroll", 6218 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6219 sc, SYNAPTICS_SYSCTL_NATURAL_SCROLL, 6220 synaptics_sysctl, "I", 6221 "Enable natural scrolling"); 6222 6223 sc->syninfo.softbuttons_y = 0; 6224 sc->syninfo.softbutton2_x = 0; 6225 sc->syninfo.softbutton3_x = 0; 6226 6227 /* skip softbuttons sysctl on not clickpads */ 6228 if (sc->synhw.capClickPad) 6229 synaptics_sysctl_create_softbuttons_tree(sc); 6230 } 6231 6232 static int 6233 synaptics_preferred_mode(struct psm_softc *sc) { 6234 int mode_byte; 6235 6236 /* Check if we are in relative mode */ 6237 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 6238 if (tap_enabled == 0) 6239 /* 6240 * Disable tap & drag gestures. We use a Mode Byte 6241 * and set the DisGest bit (see §2.5 of Synaptics 6242 * TouchPad Interfacing Guide). 6243 */ 6244 return (0x04); 6245 else 6246 /* 6247 * Enable tap & drag gestures. We use a Mode Byte 6248 * and clear the DisGest bit (see §2.5 of Synaptics 6249 * TouchPad Interfacing Guide). 6250 */ 6251 return (0x00); 6252 } 6253 6254 mode_byte = 0xc4; 6255 6256 /* request wmode where available */ 6257 if (sc->synhw.capExtended) 6258 mode_byte |= 1; 6259 6260 return mode_byte; 6261 } 6262 6263 static void 6264 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 6265 mouse_ext_command(sc->kbdc, mode_byte); 6266 6267 /* "Commit" the Set Mode Byte command sent above. */ 6268 set_mouse_sampling_rate(sc->kbdc, 20); 6269 6270 /* 6271 * Enable advanced gestures mode if supported and we are not entering 6272 * passthrough or relative mode. 6273 */ 6274 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 6275 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 6276 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODEL_ID); 6277 set_mouse_sampling_rate(sc->kbdc, 0xc8); 6278 } 6279 } 6280 6281 /* 6282 * AUX MUX detection code should be placed at very beginning of probe sequence 6283 * at least before 4-byte protocol mouse probes e.g. MS IntelliMouse probe as 6284 * latter can trigger switching the MUX to incompatible state. 6285 */ 6286 static int 6287 enable_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6288 { 6289 KBDC kbdc = sc->kbdc; 6290 int port, version; 6291 int probe = FALSE; 6292 int active_ports_count = 0; 6293 int active_ports_mask = 0; 6294 6295 if (mux_disabled == 1 || (mux_disabled == -1 && 6296 (kbdc->quirks & KBDC_QUIRK_DISABLE_MUX_PROBE) != 0)) 6297 return (FALSE); 6298 6299 version = enable_aux_mux(kbdc); 6300 if (version == -1) 6301 return (FALSE); 6302 6303 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6304 VLOG(3, (LOG_DEBUG, "aux_mux: ping port %d\n", port)); 6305 set_active_aux_mux_port(kbdc, port); 6306 if (enable_aux_dev(kbdc) && disable_aux_dev(kbdc)) { 6307 active_ports_count++; 6308 active_ports_mask |= 1 << port; 6309 } 6310 } 6311 6312 if (verbose >= 2) 6313 printf("Active Multiplexing PS/2 controller v%d.%d with %d " 6314 "active port(s)\n", version >> 4 & 0x0f, version & 0x0f, 6315 active_ports_count); 6316 6317 /* psm has a special support for GenMouse + SynTouchpad combination */ 6318 if (active_ports_count >= 2) { 6319 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6320 if ((active_ports_mask & 1 << port) == 0) 6321 continue; 6322 VLOG(3, (LOG_DEBUG, "aux_mux: probe port %d\n", port)); 6323 set_active_aux_mux_port(kbdc, port); 6324 probe = enable_synaptics(sc, arg); 6325 if (probe) { 6326 if (arg == PROBE) 6327 sc->muxport = port; 6328 break; 6329 } 6330 } 6331 } 6332 6333 /* IRQ handler does not support active multiplexing mode */ 6334 disable_aux_mux(kbdc); 6335 6336 /* Is MUX still alive after switching back to legacy mode? */ 6337 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 6338 /* 6339 * On some laptops e.g. Lenovo X121e dead AUX MUX can be 6340 * brought back to life with resetting of keyboard. 6341 */ 6342 reset_kbd(kbdc); 6343 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 6344 printf("psm%d: AUX MUX hang detected!\n", sc->unit); 6345 printf("Consider adding hw.psm.mux_disabled=1 to " 6346 "loader tunables\n"); 6347 } 6348 } 6349 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 6350 6351 return (probe); 6352 } 6353 6354 static int 6355 enable_synaptics(struct psm_softc *sc, enum probearg arg) 6356 { 6357 device_t psmcpnp; 6358 struct psmcpnp_softc *psmcpnp_sc; 6359 KBDC kbdc = sc->kbdc; 6360 synapticshw_t synhw; 6361 int status[3]; 6362 int buttons; 6363 6364 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6365 6366 /* 6367 * Just to be on the safe side: this avoids troubles with 6368 * following mouse_ext_command() when the previous command 6369 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6370 * Synaptics Touchpad behaviour. 6371 */ 6372 set_mouse_scaling(kbdc, 1); 6373 6374 /* Identify the Touchpad version. */ 6375 if (mouse_ext_command(kbdc, SYNAPTICS_READ_IDENTITY) == 0) 6376 return (FALSE); 6377 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6378 return (FALSE); 6379 if (status[1] != 0x47) 6380 return (FALSE); 6381 6382 bzero(&synhw, sizeof(synhw)); 6383 synhw.infoMinor = status[0]; 6384 synhw.infoMajor = status[2] & 0x0f; 6385 6386 if (verbose >= 2) 6387 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6388 synhw.infoMinor); 6389 6390 if (synhw.infoMajor < 4) { 6391 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6392 return (FALSE); 6393 } 6394 6395 /* Get the Touchpad model information. */ 6396 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODEL_ID) == 0) 6397 return (FALSE); 6398 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6399 return (FALSE); 6400 if ((status[1] & 0x01) != 0) { 6401 printf(" Failed to read model information\n"); 6402 return (FALSE); 6403 } 6404 6405 synhw.infoRot180 = (status[0] & 0x80) != 0; 6406 synhw.infoPortrait = (status[0] & 0x40) != 0; 6407 synhw.infoSensor = status[0] & 0x3f; 6408 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6409 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6410 synhw.capPen = (status[2] & 0x40) != 0; 6411 synhw.infoSimplC = (status[2] & 0x20) != 0; 6412 synhw.infoGeometry = status[2] & 0x0f; 6413 6414 if (verbose >= 2) { 6415 printf(" Model information:\n"); 6416 printf(" infoRot180: %d\n", synhw.infoRot180); 6417 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6418 printf(" infoSensor: %d\n", synhw.infoSensor); 6419 printf(" infoHardware: %d\n", synhw.infoHardware); 6420 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6421 printf(" capPen: %d\n", synhw.capPen); 6422 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6423 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6424 } 6425 6426 /* 6427 * Typical bezel limits. Taken from 'Synaptics 6428 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6429 */ 6430 synhw.maximumXCoord = 5472; 6431 synhw.maximumYCoord = 4448; 6432 synhw.minimumXCoord = 1472; 6433 synhw.minimumYCoord = 1408; 6434 6435 /* Read the extended capability bits. */ 6436 if (mouse_ext_command(kbdc, SYNAPTICS_READ_CAPABILITIES) == 0) 6437 return (FALSE); 6438 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6439 return (FALSE); 6440 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6441 printf(" Failed to read extended capability bits\n"); 6442 return (FALSE); 6443 } 6444 6445 psmcpnp = devclass_get_device(devclass_find(PSMCPNP_DRIVER_NAME), 6446 sc->unit); 6447 psmcpnp_sc = (psmcpnp != NULL) ? device_get_softc(psmcpnp) : NULL; 6448 6449 /* Set the different capabilities when they exist. */ 6450 buttons = 0; 6451 synhw.capExtended = (status[0] & 0x80) != 0; 6452 if (synhw.capExtended) { 6453 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6454 synhw.capMiddle = (status[0] & 0x04) != 0; 6455 synhw.capPassthrough = (status[2] & 0x80) != 0; 6456 synhw.capLowPower = (status[2] & 0x40) != 0; 6457 synhw.capMultiFingerReport = 6458 (status[2] & 0x20) != 0; 6459 synhw.capSleep = (status[2] & 0x10) != 0; 6460 synhw.capFourButtons = (status[2] & 0x08) != 0; 6461 synhw.capBallistics = (status[2] & 0x04) != 0; 6462 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6463 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6464 6465 if (!set_mouse_scaling(kbdc, 1)) 6466 return (FALSE); 6467 if (mouse_ext_command(kbdc, SYNAPTICS_READ_RESOLUTIONS) == 0) 6468 return (FALSE); 6469 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6470 return (FALSE); 6471 6472 if (status[0] != 0 && (status[1] & 0x80) && status[2] != 0) { 6473 synhw.infoXupmm = status[0]; 6474 synhw.infoYupmm = status[2]; 6475 } 6476 6477 if (verbose >= 2) { 6478 printf(" Extended capabilities:\n"); 6479 printf(" capExtended: %d\n", synhw.capExtended); 6480 printf(" capMiddle: %d\n", synhw.capMiddle); 6481 printf(" nExtendedQueries: %d\n", 6482 synhw.nExtendedQueries); 6483 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6484 printf(" capLowPower: %d\n", synhw.capLowPower); 6485 printf(" capMultiFingerReport: %d\n", 6486 synhw.capMultiFingerReport); 6487 printf(" capSleep: %d\n", synhw.capSleep); 6488 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6489 printf(" capBallistics: %d\n", synhw.capBallistics); 6490 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6491 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6492 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6493 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6494 } 6495 6496 /* 6497 * If nExtendedQueries is 1 or greater, then the TouchPad 6498 * supports this number of extended queries. We can load 6499 * more information about buttons using query 0x09. 6500 */ 6501 if (synhw.nExtendedQueries >= 1) { 6502 if (!set_mouse_scaling(kbdc, 1)) 6503 return (FALSE); 6504 if (mouse_ext_command(kbdc, 6505 SYNAPTICS_READ_EXTENDED) == 0) 6506 return (FALSE); 6507 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6508 return (FALSE); 6509 synhw.verticalScroll = (status[0] & 0x01) != 0; 6510 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6511 synhw.verticalWheel = (status[0] & 0x08) != 0; 6512 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6513 synhw.capEWmode = (status[0] & 0x04) != 0; 6514 if (verbose >= 2) { 6515 printf(" Extended model ID:\n"); 6516 printf(" verticalScroll: %d\n", 6517 synhw.verticalScroll); 6518 printf(" horizontalScroll: %d\n", 6519 synhw.horizontalScroll); 6520 printf(" verticalWheel: %d\n", 6521 synhw.verticalWheel); 6522 printf(" nExtendedButtons: %d\n", 6523 synhw.nExtendedButtons); 6524 printf(" capEWmode: %d\n", 6525 synhw.capEWmode); 6526 } 6527 /* 6528 * Add the number of extended buttons to the total 6529 * button support count, including the middle button 6530 * if capMiddle support bit is set. 6531 */ 6532 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6533 } else 6534 /* 6535 * If the capFourButtons support bit is set, 6536 * add a fourth button to the total button count. 6537 */ 6538 buttons = synhw.capFourButtons ? 1 : 0; 6539 6540 /* Read the continued capabilities bits. */ 6541 if (synhw.nExtendedQueries >= 4) { 6542 if (!set_mouse_scaling(kbdc, 1)) 6543 return (FALSE); 6544 if (mouse_ext_command(kbdc, 6545 SYNAPTICS_READ_CAPABILITIES_CONT) == 0) 6546 return (FALSE); 6547 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6548 return (FALSE); 6549 6550 synhw.capClickPad = (status[1] & 0x01) << 1; 6551 synhw.capClickPad |= (status[0] & 0x10) != 0; 6552 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6553 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6554 synhw.capReportsV = (status[1] & 0x08) != 0; 6555 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6556 synhw.capReportsMin = (status[1] & 0x20) != 0; 6557 synhw.capInterTouch = (status[1] & 0x40) != 0; 6558 synhw.capReportsMax = (status[0] & 0x02) != 0; 6559 synhw.capClearPad = (status[0] & 0x04) != 0; 6560 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6561 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6562 6563 if (synhw.capReportsMax) { 6564 if (!set_mouse_scaling(kbdc, 1)) 6565 return (FALSE); 6566 if (mouse_ext_command(kbdc, 6567 SYNAPTICS_READ_MAX_COORDS) == 0) 6568 return (FALSE); 6569 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6570 return (FALSE); 6571 6572 synhw.maximumXCoord = (status[0] << 5) | 6573 ((status[1] & 0x0f) << 1); 6574 synhw.maximumYCoord = (status[2] << 5) | 6575 ((status[1] & 0xf0) >> 3); 6576 } 6577 6578 if (synhw.capReportsMin) { 6579 if (!set_mouse_scaling(kbdc, 1)) 6580 return (FALSE); 6581 if (mouse_ext_command(kbdc, 6582 SYNAPTICS_READ_MIN_COORDS) == 0) 6583 return (FALSE); 6584 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6585 return (FALSE); 6586 6587 synhw.minimumXCoord = (status[0] << 5) | 6588 ((status[1] & 0x0f) << 1); 6589 synhw.minimumYCoord = (status[2] << 5) | 6590 ((status[1] & 0xf0) >> 3); 6591 } 6592 6593 /* 6594 * ClickPad properties are not exported through PS/2 6595 * protocol. Detection is based on controller's PnP ID. 6596 */ 6597 if (synhw.capClickPad && psmcpnp_sc != NULL) { 6598 switch (psmcpnp_sc->type) { 6599 case PSMCPNP_FORCEPAD: 6600 synhw.forcePad = 1; 6601 break; 6602 case PSMCPNP_TOPBUTTONPAD: 6603 synhw.topButtonPad = 1; 6604 break; 6605 default: 6606 break; 6607 } 6608 } 6609 6610 if (verbose >= 2) { 6611 printf(" Continued capabilities:\n"); 6612 printf(" capClickPad: %d\n", 6613 synhw.capClickPad); 6614 printf(" capDeluxeLEDs: %d\n", 6615 synhw.capDeluxeLEDs); 6616 printf(" noAbsoluteFilter: %d\n", 6617 synhw.noAbsoluteFilter); 6618 printf(" capReportsV: %d\n", 6619 synhw.capReportsV); 6620 printf(" capUniformClickPad: %d\n", 6621 synhw.capUniformClickPad); 6622 printf(" capReportsMin: %d\n", 6623 synhw.capReportsMin); 6624 printf(" capInterTouch: %d\n", 6625 synhw.capInterTouch); 6626 printf(" capReportsMax: %d\n", 6627 synhw.capReportsMax); 6628 printf(" capClearPad: %d\n", 6629 synhw.capClearPad); 6630 printf(" capAdvancedGestures: %d\n", 6631 synhw.capAdvancedGestures); 6632 printf(" capCoveredPad: %d\n", 6633 synhw.capCoveredPad); 6634 if (synhw.capReportsMax) { 6635 printf(" maximumXCoord: %d\n", 6636 synhw.maximumXCoord); 6637 printf(" maximumYCoord: %d\n", 6638 synhw.maximumYCoord); 6639 } 6640 if (synhw.capReportsMin) { 6641 printf(" minimumXCoord: %d\n", 6642 synhw.minimumXCoord); 6643 printf(" minimumYCoord: %d\n", 6644 synhw.minimumYCoord); 6645 } 6646 if (synhw.capClickPad) { 6647 printf(" Clickpad capabilities:\n"); 6648 printf(" forcePad: %d\n", 6649 synhw.forcePad); 6650 printf(" topButtonPad: %d\n", 6651 synhw.topButtonPad); 6652 } 6653 } 6654 buttons += synhw.capClickPad; 6655 } 6656 } 6657 6658 if (verbose >= 2) { 6659 if (synhw.capExtended) 6660 printf(" Additional Buttons: %d\n", buttons); 6661 else 6662 printf(" No extended capabilities\n"); 6663 } 6664 6665 /* 6666 * Add the default number of 3 buttons to the total 6667 * count of supported buttons reported above. 6668 */ 6669 buttons += 3; 6670 6671 /* 6672 * Read the mode byte. 6673 * 6674 * XXX: Note the Synaptics documentation also defines the first 6675 * byte of the response to this query to be a constant 0x3b, this 6676 * does not appear to be true for Touchpads with guest devices. 6677 */ 6678 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODES) == 0) 6679 return (FALSE); 6680 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6681 return (FALSE); 6682 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6683 printf(" Failed to read mode byte\n"); 6684 return (FALSE); 6685 } 6686 6687 if (arg == PROBE) 6688 sc->synhw = synhw; 6689 if (!synaptics_support) 6690 return (FALSE); 6691 6692 /* Set mouse type just now for synaptics_set_mode() */ 6693 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6694 6695 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6696 6697 if (trackpoint_support && synhw.capPassthrough) { 6698 enable_trackpoint(sc, arg); 6699 } 6700 6701 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6702 6703 if (arg == PROBE) { 6704 /* Create sysctl tree. */ 6705 synaptics_sysctl_create_tree(sc, "synaptics", 6706 "Synaptics TouchPad"); 6707 sc->hw.buttons = buttons; 6708 } 6709 6710 return (TRUE); 6711 } 6712 6713 static void 6714 synaptics_passthrough_on(struct psm_softc *sc) 6715 { 6716 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6717 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6718 } 6719 6720 static void 6721 synaptics_passthrough_off(struct psm_softc *sc) 6722 { 6723 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6724 set_mouse_scaling(sc->kbdc, 2); 6725 set_mouse_scaling(sc->kbdc, 1); 6726 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6727 } 6728 6729 /* IBM/Lenovo TrackPoint */ 6730 static int 6731 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6732 { 6733 const int seq[] = { 0xe2, cmd, loc, val }; 6734 int i; 6735 6736 if (sc->synhw.capPassthrough) 6737 synaptics_passthrough_on(sc); 6738 6739 for (i = 0; i < nitems(seq); i++) { 6740 if (sc->synhw.capPassthrough && 6741 (seq[i] == 0xff || seq[i] == 0xe7)) 6742 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6743 synaptics_passthrough_off(sc); 6744 return (EIO); 6745 } 6746 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6747 if (sc->synhw.capPassthrough) 6748 synaptics_passthrough_off(sc); 6749 return (EIO); 6750 } 6751 } 6752 6753 if (sc->synhw.capPassthrough) 6754 synaptics_passthrough_off(sc); 6755 6756 return (0); 6757 } 6758 6759 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6760 #define TPMASK 0 6761 #define TPLOC 1 6762 #define TPINFO 2 6763 6764 static int 6765 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6766 { 6767 static const int data[][3] = { 6768 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6769 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6770 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6771 { 0x00, 0x57, PSM_TPINFO(reach) }, 6772 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6773 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6774 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6775 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6776 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6777 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6778 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6779 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6780 }; 6781 struct psm_softc *sc; 6782 int error, newval, *oldvalp; 6783 const int *tp; 6784 6785 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6786 return (EINVAL); 6787 sc = arg1; 6788 tp = data[arg2]; 6789 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6790 newval = *oldvalp; 6791 error = sysctl_handle_int(oidp, &newval, 0, req); 6792 if (error != 0) 6793 return (error); 6794 if (newval == *oldvalp) 6795 return (0); 6796 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6797 return (EINVAL); 6798 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6799 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6800 if (error != 0) 6801 return (error); 6802 *oldvalp = newval; 6803 6804 return (0); 6805 } 6806 6807 static void 6808 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6809 { 6810 6811 if (sc->tpinfo.sysctl_tree != NULL) 6812 return; 6813 6814 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6815 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6816 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6817 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", 6818 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "IBM/Lenovo TrackPoint"); 6819 6820 /* hw.psm.trackpoint.sensitivity */ 6821 sc->tpinfo.sensitivity = 0x80; 6822 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6823 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6824 "sensitivity", 6825 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6826 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6827 trackpoint_sysctl, "I", 6828 "Sensitivity"); 6829 6830 /* hw.psm.trackpoint.negative_inertia */ 6831 sc->tpinfo.inertia = 0x06; 6832 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6833 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6834 "negative_inertia", 6835 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6836 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6837 trackpoint_sysctl, "I", 6838 "Negative inertia factor"); 6839 6840 /* hw.psm.trackpoint.upper_plateau */ 6841 sc->tpinfo.uplateau = 0x61; 6842 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6843 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6844 "upper_plateau", 6845 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6846 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6847 trackpoint_sysctl, "I", 6848 "Transfer function upper plateau speed"); 6849 6850 /* hw.psm.trackpoint.backup_range */ 6851 sc->tpinfo.reach = 0x0a; 6852 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6853 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6854 "backup_range", 6855 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6856 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6857 trackpoint_sysctl, "I", 6858 "Backup range"); 6859 6860 /* hw.psm.trackpoint.drag_hysteresis */ 6861 sc->tpinfo.draghys = 0xff; 6862 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6863 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6864 "drag_hysteresis", 6865 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6866 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6867 trackpoint_sysctl, "I", 6868 "Drag hysteresis"); 6869 6870 /* hw.psm.trackpoint.minimum_drag */ 6871 sc->tpinfo.mindrag = 0x14; 6872 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6873 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6874 "minimum_drag", 6875 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6876 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6877 trackpoint_sysctl, "I", 6878 "Minimum drag"); 6879 6880 /* hw.psm.trackpoint.up_threshold */ 6881 sc->tpinfo.upthresh = 0xff; 6882 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6883 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6884 "up_threshold", 6885 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6886 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6887 trackpoint_sysctl, "I", 6888 "Up threshold for release"); 6889 6890 /* hw.psm.trackpoint.threshold */ 6891 sc->tpinfo.threshold = 0x08; 6892 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6893 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6894 "threshold", 6895 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6896 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6897 trackpoint_sysctl, "I", 6898 "Threshold"); 6899 6900 /* hw.psm.trackpoint.jenks_curvature */ 6901 sc->tpinfo.jenks = 0x87; 6902 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6903 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6904 "jenks_curvature", 6905 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6906 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6907 trackpoint_sysctl, "I", 6908 "Jenks curvature"); 6909 6910 /* hw.psm.trackpoint.z_time */ 6911 sc->tpinfo.ztime = 0x26; 6912 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6913 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6914 "z_time", 6915 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6916 sc, TRACKPOINT_SYSCTL_Z_TIME, 6917 trackpoint_sysctl, "I", 6918 "Z time constant"); 6919 6920 /* hw.psm.trackpoint.press_to_select */ 6921 sc->tpinfo.pts = 0x00; 6922 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6923 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6924 "press_to_select", 6925 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6926 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6927 trackpoint_sysctl, "I", 6928 "Press to Select"); 6929 6930 /* hw.psm.trackpoint.skip_backups */ 6931 sc->tpinfo.skipback = 0x00; 6932 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6933 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6934 "skip_backups", 6935 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6936 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6937 trackpoint_sysctl, "I", 6938 "Skip backups from drags"); 6939 } 6940 6941 static void 6942 set_trackpoint_parameters(struct psm_softc *sc) 6943 { 6944 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6945 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6946 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6947 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6948 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6949 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6950 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6951 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6952 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6953 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6954 if (sc->tpinfo.pts == 0x01) 6955 trackpoint_command(sc, 0x47, 0x2c, 0x01); 6956 if (sc->tpinfo.skipback == 0x01) 6957 trackpoint_command(sc, 0x47, 0x2d, 0x08); 6958 } 6959 6960 static int 6961 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 6962 { 6963 KBDC kbdc = sc->kbdc; 6964 int id; 6965 6966 /* 6967 * If called from enable_synaptics(), make sure that passthrough 6968 * mode is enabled so we can reach the trackpoint. 6969 * However, passthrough mode must be disabled before setting the 6970 * trackpoint parameters, as rackpoint_command() enables and disables 6971 * passthrough mode on its own. 6972 */ 6973 if (sc->synhw.capPassthrough) 6974 synaptics_passthrough_on(sc); 6975 6976 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 6977 read_aux_data(kbdc) != 0x01) 6978 goto no_trackpoint; 6979 id = read_aux_data(kbdc); 6980 if (id < 0x01) 6981 goto no_trackpoint; 6982 if (arg == PROBE) 6983 sc->tphw = id; 6984 if (!trackpoint_support) 6985 goto no_trackpoint; 6986 6987 if (sc->synhw.capPassthrough) 6988 synaptics_passthrough_off(sc); 6989 6990 if (arg == PROBE) { 6991 trackpoint_sysctl_create_tree(sc); 6992 /* 6993 * Don't overwrite hwid and buttons when we are 6994 * a guest device. 6995 */ 6996 if (!sc->synhw.capPassthrough) { 6997 sc->hw.hwid = id; 6998 sc->hw.buttons = 3; 6999 } 7000 } 7001 7002 set_trackpoint_parameters(sc); 7003 7004 return (TRUE); 7005 7006 no_trackpoint: 7007 if (sc->synhw.capPassthrough) 7008 synaptics_passthrough_off(sc); 7009 7010 return (FALSE); 7011 } 7012 7013 /* Interlink electronics VersaPad */ 7014 static int 7015 enable_versapad(struct psm_softc *sc, enum probearg arg) 7016 { 7017 KBDC kbdc = sc->kbdc; 7018 int data[3]; 7019 7020 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 7021 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 7022 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7023 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7024 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7025 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7026 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 7027 return (FALSE); 7028 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 7029 return (FALSE); 7030 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7031 7032 return (TRUE); /* PS/2 absolute mode */ 7033 } 7034 7035 /* Elantech Touchpad */ 7036 static int 7037 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 7038 { 7039 int res, readcmd, retidx; 7040 int resp[3]; 7041 7042 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 7043 retidx = hwversion == 4 ? 1 : 0; 7044 7045 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7046 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 7047 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7048 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7049 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7050 7051 if (res == 0) 7052 *val = resp[retidx]; 7053 7054 return (res); 7055 } 7056 7057 static int 7058 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 7059 { 7060 int res, writecmd; 7061 7062 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 7063 7064 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7065 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7066 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7067 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7068 if (hwversion == 4) { 7069 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7070 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7071 } 7072 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7073 res |= send_aux_command(kbdc, val) != PSM_ACK; 7074 res |= set_mouse_scaling(kbdc, 1) == 0; 7075 7076 return (res); 7077 } 7078 7079 static int 7080 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 7081 { 7082 int res; 7083 7084 if (hwversion == 2) { 7085 res = set_mouse_scaling(kbdc, 1) == 0; 7086 res |= mouse_ext_command(kbdc, cmd) == 0; 7087 } else { 7088 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7089 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 7090 } 7091 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7092 7093 return (res); 7094 } 7095 7096 static int 7097 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 7098 { 7099 int i, val, res, hwversion, reg10; 7100 7101 /* set absolute mode */ 7102 hwversion = elanhw->hwversion; 7103 reg10 = -1; 7104 switch (hwversion) { 7105 case 2: 7106 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 7107 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7108 if (res) 7109 break; 7110 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 7111 break; 7112 case 3: 7113 reg10 = 0x0b; 7114 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7115 break; 7116 case 4: 7117 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 7118 break; 7119 default: 7120 res = 1; 7121 } 7122 7123 /* Read back reg 0x10 to ensure hardware is ready. */ 7124 if (res == 0 && reg10 >= 0) { 7125 for (i = 0; i < 5; i++) { 7126 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 7127 break; 7128 DELAY(2000); 7129 } 7130 if (i == 5) 7131 res = 1; 7132 } 7133 7134 if (res) 7135 printf("couldn't set absolute mode\n"); 7136 7137 return (res); 7138 } 7139 7140 static void 7141 elantech_init_synaptics(struct psm_softc *sc) 7142 { 7143 7144 /* Set capabilites required by movement smother */ 7145 sc->synhw.infoMajor = sc->elanhw.hwversion; 7146 sc->synhw.infoMinor = sc->elanhw.fwversion; 7147 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 7148 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 7149 sc->synhw.verticalScroll = 0; 7150 sc->synhw.nExtendedQueries = 4; 7151 sc->synhw.capExtended = 1; 7152 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 7153 sc->synhw.capClickPad = sc->elanhw.isclickpad; 7154 sc->synhw.capMultiFinger = 1; 7155 if (sc->elanhw.issemimt) 7156 sc->synhw.capAdvancedGestures = 1; 7157 else 7158 sc->synhw.capReportsV = 1; 7159 sc->synhw.capPalmDetect = 1; 7160 sc->synhw.capPen = 0; 7161 sc->synhw.capReportsMax = 1; 7162 sc->synhw.maximumXCoord = sc->elanhw.sizex; 7163 sc->synhw.maximumYCoord = sc->elanhw.sizey; 7164 sc->synhw.capReportsMin = 1; 7165 sc->synhw.minimumXCoord = 0; 7166 sc->synhw.minimumYCoord = 0; 7167 7168 if (sc->syninfo.sysctl_tree == NULL) { 7169 synaptics_sysctl_create_tree(sc, "elantech", 7170 "Elantech Touchpad"); 7171 7172 /* 7173 * Adjust synaptic smoother tunables 7174 * 1. Disable finger detection pressure threshold. Unlike 7175 * synaptics we assume the finger is acting when packet with 7176 * its X&Y arrives not when pressure exceedes some threshold 7177 * 2. Disable unrelated features like margins and noisy areas 7178 * 3. Disable virtual scroll areas as 2nd finger is preferable 7179 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 7180 * softbuttons 7181 * 5. Scale down divisors and movement lengths by a factor of 3 7182 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 7183 */ 7184 7185 /* Set reporting range to be equal touchpad size */ 7186 sc->syninfo.max_x = sc->elanhw.sizex; 7187 sc->syninfo.max_y = sc->elanhw.sizey; 7188 7189 /* Disable finger detection pressure threshold */ 7190 sc->syninfo.min_pressure = 1; 7191 7192 /* Adjust palm width to nearly match synaptics w=10 */ 7193 sc->syninfo.max_width = 7; 7194 7195 /* Elans often report double & triple taps as single event */ 7196 sc->syninfo.tap_min_queue = 1; 7197 7198 /* Use full area of touchpad */ 7199 sc->syninfo.margin_top = 0; 7200 sc->syninfo.margin_right = 0; 7201 sc->syninfo.margin_bottom = 0; 7202 sc->syninfo.margin_left = 0; 7203 7204 /* Disable noisy area */ 7205 sc->syninfo.na_top = 0; 7206 sc->syninfo.na_right = 0; 7207 sc->syninfo.na_bottom = 0; 7208 sc->syninfo.na_left = 0; 7209 7210 /* Tune divisors and movement lengths */ 7211 sc->syninfo.weight_len_squared = 200; 7212 sc->syninfo.div_min = 3; 7213 sc->syninfo.div_max = 6; 7214 sc->syninfo.div_max_na = 10; 7215 sc->syninfo.div_len = 30; 7216 sc->syninfo.tap_max_delta = 25; 7217 7218 /* Disable virtual scrolling areas and tune its divisors */ 7219 sc->syninfo.vscroll_hor_area = 0; 7220 sc->syninfo.vscroll_ver_area = 0; 7221 sc->syninfo.vscroll_min_delta = 15; 7222 sc->syninfo.vscroll_div_min = 30; 7223 sc->syninfo.vscroll_div_max = 50; 7224 7225 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 7226 if (sc->elanhw.isclickpad) { 7227 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 7228 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 7229 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 7230 } 7231 } 7232 7233 return; 7234 } 7235 7236 static int 7237 enable_elantech(struct psm_softc *sc, enum probearg arg) 7238 { 7239 static const int ic2hw[] = 7240 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 7241 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }; 7242 static const int fw_sizes[][3] = { 7243 /* FW.vers MaxX MaxY */ 7244 { 0x020030, 1152, 768 }, 7245 { 0x020800, 1152, 768 }, 7246 { 0x020b00, 1152, 768 }, 7247 { 0x040215, 900, 500 }, 7248 { 0x040216, 819, 405 }, 7249 { 0x040219, 900, 500 }, 7250 }; 7251 elantechhw_t elanhw; 7252 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 7253 KBDC kbdc = sc->kbdc; 7254 7255 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 7256 7257 set_mouse_scaling(kbdc, 1); 7258 set_mouse_scaling(kbdc, 1); 7259 set_mouse_scaling(kbdc, 1); 7260 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 7261 return (FALSE); 7262 7263 if (!ELANTECH_MAGIC(resp)) 7264 return (FALSE); 7265 7266 /* Identify the Touchpad version. */ 7267 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 7268 return (FALSE); 7269 7270 bzero(&elanhw, sizeof(elanhw)); 7271 7272 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 7273 icversion = resp[0] & 0x0f; 7274 hwversion = ic2hw[icversion]; 7275 7276 if (verbose >= 2) 7277 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 7278 hwversion, elanhw.fwversion); 7279 7280 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 7281 printf (" Unsupported touchpad hardware (v1)\n"); 7282 return (FALSE); 7283 } 7284 if (hwversion == 0) { 7285 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 7286 elanhw.fwversion); 7287 return (FALSE); 7288 } 7289 7290 /* Get the Touchpad model information. */ 7291 elanhw.hwversion = hwversion; 7292 elanhw.issemimt = hwversion == 2; 7293 elanhw.isclickpad = (resp[1] & 0x10) != 0; 7294 elanhw.hascrc = (resp[1] & 0x40) != 0; 7295 elanhw.haspressure = elanhw.fwversion >= 0x020800; 7296 7297 /* Read the capability bits. */ 7298 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 7299 printf(" Failed to read capability bits\n"); 7300 return (FALSE); 7301 } 7302 7303 elanhw.ntracesx = imax(resp[1], 3); 7304 elanhw.ntracesy = imax(resp[2], 3); 7305 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 7306 7307 /* Get the touchpad resolution */ 7308 switch (hwversion) { 7309 case 4: 7310 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 7311 == 0) { 7312 dpix = (resp[1] & 0x0f) * 10 + 790; 7313 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 7314 elanhw.dpmmx = (dpix * 10 + 5) / 254; 7315 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 7316 break; 7317 } 7318 /* FALLTHROUGH */ 7319 case 2: 7320 case 3: 7321 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 7322 break; 7323 } 7324 7325 if (!elantech_support) 7326 return (FALSE); 7327 7328 if (elantech_init(kbdc, &elanhw)) { 7329 printf("couldn't initialize elantech touchpad\n"); 7330 return (FALSE); 7331 } 7332 7333 /* 7334 * Get the touchpad reporting range. 7335 * On HW v.3 touchpads it should be done after switching hardware 7336 * to real resolution mode (by setting bit 3 of reg10) 7337 */ 7338 elanhw.dptracex = elanhw.dptracey = 64; 7339 for (i = 0; i < nitems(fw_sizes); i++) { 7340 if (elanhw.fwversion == fw_sizes[i][0]) { 7341 elanhw.sizex = fw_sizes[i][1]; 7342 elanhw.sizey = fw_sizes[i][2]; 7343 goto found; 7344 } 7345 } 7346 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 7347 printf(" Failed to read touchpad size\n"); 7348 elanhw.sizex = 10000; /* Arbitrary high values to */ 7349 elanhw.sizey = 10000; /* prevent clipping in smoother */ 7350 } else if (hwversion == 2) { 7351 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 7352 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 7353 elanhw.dptracex = resp[1] / 2; 7354 elanhw.dptracey = resp[2] / 2; 7355 } 7356 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 7357 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 7358 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 7359 } else { 7360 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 7361 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 7362 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 7363 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 7364 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 7365 } 7366 found: 7367 if (verbose >= 2) { 7368 printf(" Model information:\n"); 7369 printf(" MaxX: %d\n", elanhw.sizex); 7370 printf(" MaxY: %d\n", elanhw.sizey); 7371 printf(" DpmmX: %d\n", elanhw.dpmmx); 7372 printf(" DpmmY: %d\n", elanhw.dpmmy); 7373 printf(" TracesX: %d\n", elanhw.ntracesx); 7374 printf(" TracesY: %d\n", elanhw.ntracesy); 7375 printf(" DptraceX: %d\n", elanhw.dptracex); 7376 printf(" DptraceY: %d\n", elanhw.dptracey); 7377 printf(" SemiMT: %d\n", elanhw.issemimt); 7378 printf(" Clickpad: %d\n", elanhw.isclickpad); 7379 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 7380 printf(" CRC: %d\n", elanhw.hascrc); 7381 printf(" Pressure: %d\n", elanhw.haspressure); 7382 } 7383 7384 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 7385 7386 if (arg == PROBE) { 7387 sc->elanhw = elanhw; 7388 sc->hw.buttons = 3; 7389 7390 /* Initialize synaptics movement smoother */ 7391 elantech_init_synaptics(sc); 7392 7393 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 7394 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 7395 } 7396 7397 return (TRUE); 7398 } 7399 7400 /* 7401 * Return true if 'now' is earlier than (start + (secs.usecs)). 7402 * Now may be NULL and the function will fetch the current time from 7403 * getmicrouptime(), or a cached 'now' can be passed in. 7404 * All values should be numbers derived from getmicrouptime(). 7405 */ 7406 static int 7407 timeelapsed(start, secs, usecs, now) 7408 const struct timeval *start, *now; 7409 int secs, usecs; 7410 { 7411 struct timeval snow, tv; 7412 7413 /* if there is no 'now' passed in, the get it as a convience. */ 7414 if (now == NULL) { 7415 getmicrouptime(&snow); 7416 now = &snow; 7417 } 7418 7419 tv.tv_sec = secs; 7420 tv.tv_usec = usecs; 7421 timevaladd(&tv, start); 7422 return (timevalcmp(&tv, now, <)); 7423 } 7424 7425 static int 7426 psmresume(device_t dev) 7427 { 7428 struct psm_softc *sc = device_get_softc(dev); 7429 int unit = device_get_unit(dev); 7430 int err; 7431 7432 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 7433 7434 if ((sc->config & 7435 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 7436 return (0); 7437 7438 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 7439 7440 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 7441 /* 7442 * Release the blocked process; it must be notified that 7443 * the device cannot be accessed anymore. 7444 */ 7445 sc->state &= ~PSM_ASLP; 7446 wakeup(sc); 7447 } 7448 7449 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 7450 7451 return (err); 7452 } 7453 7454 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 7455 #ifdef EVDEV_SUPPORT 7456 MODULE_DEPEND(psm, evdev, 1, 1, 1); 7457 #endif 7458 7459 #ifdef DEV_ISA 7460 7461 /* 7462 * This sucks up assignments from PNPBIOS and ACPI. 7463 */ 7464 7465 /* 7466 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 7467 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 7468 * can be probed and attached only after the AT keyboard controller is 7469 * attached, we shall quietly reserve the IRQ resource for later use. 7470 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 7471 * copy the IRQ resource to the PS/2 mouse device instance hanging 7472 * under the keyboard controller, then probe and attach it. 7473 */ 7474 7475 static devclass_t psmcpnp_devclass; 7476 7477 static device_probe_t psmcpnp_probe; 7478 static device_attach_t psmcpnp_attach; 7479 7480 static device_method_t psmcpnp_methods[] = { 7481 DEVMETHOD(device_probe, psmcpnp_probe), 7482 DEVMETHOD(device_attach, psmcpnp_attach), 7483 { 0, 0 } 7484 }; 7485 7486 static driver_t psmcpnp_driver = { 7487 PSMCPNP_DRIVER_NAME, 7488 psmcpnp_methods, 7489 sizeof(struct psmcpnp_softc), 7490 }; 7491 7492 static struct isa_pnp_id psmcpnp_ids[] = { 7493 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7494 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7495 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7496 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7497 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7498 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7499 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7500 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7501 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7502 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7503 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7504 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7505 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7506 { 0 } 7507 }; 7508 7509 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7510 static struct isa_pnp_id topbtpad_ids[] = { 7511 { 0x1700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0017, ThinkPad */ 7512 { 0x1800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0018, ThinkPad */ 7513 { 0x1900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0019, ThinkPad */ 7514 { 0x2300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0023, ThinkPad */ 7515 { 0x2a00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002a, ThinkPad */ 7516 { 0x2b00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002b, ThinkPad */ 7517 { 0x2c00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002c, ThinkPad */ 7518 { 0x2d00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002d, ThinkPad */ 7519 { 0x2e00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002e, ThinkPad */ 7520 { 0x3300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0033, ThinkPad */ 7521 { 0x3400ae30, "Lenovo PS/2 clickpad port" }, /* LEN0034, ThinkPad */ 7522 { 0x3500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0035, ThinkPad */ 7523 { 0x3600ae30, "Lenovo PS/2 clickpad port" }, /* LEN0036, ThinkPad */ 7524 { 0x3700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0037, ThinkPad */ 7525 { 0x3800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0038, ThinkPad */ 7526 { 0x3900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0039, ThinkPad */ 7527 { 0x4100ae30, "Lenovo PS/2 clickpad port" }, /* LEN0041, ThinkPad */ 7528 { 0x4200ae30, "Lenovo PS/2 clickpad port" }, /* LEN0042, ThinkPad */ 7529 { 0x4500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0045, ThinkPad */ 7530 { 0x4700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0047, ThinkPad */ 7531 { 0x4900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0049, ThinkPad */ 7532 { 0x0020ae30, "Lenovo PS/2 clickpad port" }, /* LEN2000, ThinkPad */ 7533 { 0x0120ae30, "Lenovo PS/2 clickpad port" }, /* LEN2001, ThinkPad */ 7534 { 0x0220ae30, "Lenovo PS/2 clickpad port" }, /* LEN2002, ThinkPad */ 7535 { 0x0320ae30, "Lenovo PS/2 clickpad port" }, /* LEN2003, ThinkPad */ 7536 { 0x0420ae30, "Lenovo PS/2 clickpad port" }, /* LEN2004, ThinkPad */ 7537 { 0x0520ae30, "Lenovo PS/2 clickpad port" }, /* LEN2005, ThinkPad */ 7538 { 0x0620ae30, "Lenovo PS/2 clickpad port" }, /* LEN2006, ThinkPad */ 7539 { 0x0720ae30, "Lenovo PS/2 clickpad port" }, /* LEN2007, ThinkPad */ 7540 { 0x0820ae30, "Lenovo PS/2 clickpad port" }, /* LEN2008, ThinkPad */ 7541 { 0x0920ae30, "Lenovo PS/2 clickpad port" }, /* LEN2009, ThinkPad */ 7542 { 0x0a20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200a, ThinkPad */ 7543 { 0x0b20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200b, ThinkPad */ 7544 { 0 } 7545 }; 7546 7547 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7548 static struct isa_pnp_id forcepad_ids[] = { 7549 { 0x0d302e4f, "HP PS/2 forcepad port" }, /* SYN300D, EB 1040 */ 7550 { 0x14302e4f, "HP PS/2 forcepad port" }, /* SYN3014, EB 1040 */ 7551 { 0 } 7552 }; 7553 7554 static int 7555 create_a_copy(device_t atkbdc, device_t me) 7556 { 7557 device_t psm; 7558 u_long irq; 7559 7560 /* find the PS/2 mouse device instance under the keyboard controller */ 7561 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7562 device_get_unit(atkbdc)); 7563 if (psm == NULL) 7564 return (ENXIO); 7565 if (device_get_state(psm) != DS_NOTPRESENT) 7566 return (0); 7567 7568 /* move our resource to the found device */ 7569 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7570 bus_delete_resource(me, SYS_RES_IRQ, 0); 7571 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7572 7573 /* ...then probe and attach it */ 7574 return (device_probe_and_attach(psm)); 7575 } 7576 7577 static int 7578 psmcpnp_probe(device_t dev) 7579 { 7580 struct psmcpnp_softc *sc = device_get_softc(dev); 7581 struct resource *res; 7582 u_long irq; 7583 int rid; 7584 7585 if (ISA_PNP_PROBE(device_get_parent(dev), dev, forcepad_ids) == 0) 7586 sc->type = PSMCPNP_FORCEPAD; 7587 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, topbtpad_ids) == 0) 7588 sc->type = PSMCPNP_TOPBUTTONPAD; 7589 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids) == 0) 7590 sc->type = PSMCPNP_GENERIC; 7591 else 7592 return (ENXIO); 7593 7594 /* 7595 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7596 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7597 * declares the PS/2 mouse device node without an IRQ resource! 7598 * If this happens, we shall refer to device hints. 7599 * If we still don't find it there, use a hardcoded value... XXX 7600 */ 7601 rid = 0; 7602 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7603 if (irq <= 0) { 7604 if (resource_long_value(PSM_DRIVER_NAME, 7605 device_get_unit(dev),"irq", &irq) != 0) 7606 irq = 12; /* XXX */ 7607 device_printf(dev, "irq resource info is missing; " 7608 "assuming irq %ld\n", irq); 7609 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7610 } 7611 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7612 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7613 7614 /* keep quiet */ 7615 if (!bootverbose) 7616 device_quiet(dev); 7617 7618 return ((res == NULL) ? ENXIO : 0); 7619 } 7620 7621 static int 7622 psmcpnp_attach(device_t dev) 7623 { 7624 device_t atkbdc; 7625 7626 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7627 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7628 device_get_unit(dev)); 7629 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7630 create_a_copy(atkbdc, dev); 7631 7632 return (0); 7633 } 7634 7635 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7636 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7637 ISA_PNP_INFO(psmcpnp_ids); 7638 #endif /* DEV_ISA */ 7639