1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD$"); 63 64 #include "opt_isa.h" 65 #include "opt_psm.h" 66 #include "opt_evdev.h" 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/kernel.h> 71 #include <sys/module.h> 72 #include <sys/bus.h> 73 #include <sys/conf.h> 74 #include <sys/filio.h> 75 #include <sys/mutex.h> 76 #include <sys/poll.h> 77 #include <sys/sigio.h> 78 #include <sys/signalvar.h> 79 #include <sys/syslog.h> 80 #include <machine/bus.h> 81 #include <sys/rman.h> 82 #include <sys/selinfo.h> 83 #include <sys/sysctl.h> 84 #include <sys/time.h> 85 #include <sys/uio.h> 86 87 #include <sys/limits.h> 88 #include <sys/mouse.h> 89 #include <machine/resource.h> 90 91 #ifdef DEV_ISA 92 #include <isa/isavar.h> 93 #endif 94 95 #ifdef EVDEV_SUPPORT 96 #include <dev/evdev/evdev.h> 97 #include <dev/evdev/input.h> 98 #endif 99 100 #include <dev/atkbdc/atkbdcreg.h> 101 #include <dev/atkbdc/psm.h> 102 103 /* 104 * Driver specific options: the following options may be set by 105 * `options' statements in the kernel configuration file. 106 */ 107 108 /* debugging */ 109 #ifndef PSM_DEBUG 110 #define PSM_DEBUG 0 /* 111 * logging: 0: none, 1: brief, 2: verbose 112 * 3: sync errors, 4: all packets 113 */ 114 #endif 115 #define VLOG(level, args) do { \ 116 if (verbose >= level) \ 117 log args; \ 118 } while (0) 119 120 #ifndef PSM_INPUT_TIMEOUT 121 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 122 #endif 123 124 #ifndef PSM_TAP_TIMEOUT 125 #define PSM_TAP_TIMEOUT 125000 126 #endif 127 128 #ifndef PSM_TAP_THRESHOLD 129 #define PSM_TAP_THRESHOLD 25 130 #endif 131 132 /* end of driver specific options */ 133 134 #define PSMCPNP_DRIVER_NAME "psmcpnp" 135 136 struct psmcpnp_softc { 137 enum { 138 PSMCPNP_GENERIC, 139 PSMCPNP_FORCEPAD, 140 PSMCPNP_TOPBUTTONPAD, 141 } type; /* Based on PnP ID */ 142 }; 143 144 /* input queue */ 145 #define PSM_BUFSIZE 960 146 #define PSM_SMALLBUFSIZE 240 147 148 /* operation levels */ 149 #define PSM_LEVEL_BASE 0 150 #define PSM_LEVEL_STANDARD 1 151 #define PSM_LEVEL_NATIVE 2 152 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 153 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 154 155 /* Active PS/2 multiplexing */ 156 #define PSM_NOMUX (-1) 157 158 /* Logitech PS2++ protocol */ 159 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 160 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 161 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 162 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 163 164 /* ring buffer */ 165 typedef struct ringbuf { 166 int count; /* # of valid elements in the buffer */ 167 int head; /* head pointer */ 168 int tail; /* tail poiner */ 169 u_char buf[PSM_BUFSIZE]; 170 } ringbuf_t; 171 172 /* data buffer */ 173 typedef struct packetbuf { 174 u_char ipacket[16]; /* interim input buffer */ 175 int inputbytes; /* # of bytes in the input buffer */ 176 } packetbuf_t; 177 178 #ifndef PSM_PACKETQUEUE 179 #define PSM_PACKETQUEUE 128 180 #endif 181 182 /* 183 * Synaptics command definitions. 184 */ 185 #define SYNAPTICS_READ_IDENTITY 0x00 186 #define SYNAPTICS_READ_MODES 0x01 187 #define SYNAPTICS_READ_CAPABILITIES 0x02 188 #define SYNAPTICS_READ_MODEL_ID 0x03 189 #define SYNAPTICS_READ_SERIAL_PREFIX 0x06 190 #define SYNAPTICS_READ_SERIAL_SUFFIX 0x07 191 #define SYNAPTICS_READ_RESOLUTIONS 0x08 192 #define SYNAPTICS_READ_EXTENDED 0x09 193 #define SYNAPTICS_READ_CAPABILITIES_CONT 0x0c 194 #define SYNAPTICS_READ_MAX_COORDS 0x0d 195 #define SYNAPTICS_READ_DELUXE_LED 0x0e 196 #define SYNAPTICS_READ_MIN_COORDS 0x0f 197 198 typedef struct synapticsinfo { 199 struct sysctl_ctx_list sysctl_ctx; 200 struct sysctl_oid *sysctl_tree; 201 int directional_scrolls; 202 int two_finger_scroll; 203 int min_pressure; 204 int max_pressure; 205 int max_width; 206 int margin_top; 207 int margin_right; 208 int margin_bottom; 209 int margin_left; 210 int na_top; 211 int na_right; 212 int na_bottom; 213 int na_left; 214 int window_min; 215 int window_max; 216 int multiplicator; 217 int weight_current; 218 int weight_previous; 219 int weight_previous_na; 220 int weight_len_squared; 221 int div_min; 222 int div_max; 223 int div_max_na; 224 int div_len; 225 int tap_max_delta; 226 int tap_min_queue; 227 int taphold_timeout; 228 int vscroll_ver_area; 229 int vscroll_hor_area; 230 int vscroll_min_delta; 231 int vscroll_div_min; 232 int vscroll_div_max; 233 int touchpad_off; 234 int softbuttons_y; 235 int softbutton2_x; 236 int softbutton3_x; 237 int max_x; 238 int max_y; 239 int three_finger_drag; 240 int natural_scroll; 241 } synapticsinfo_t; 242 243 typedef struct synapticspacket { 244 int x; 245 int y; 246 } synapticspacket_t; 247 248 #define SYNAPTICS_PACKETQUEUE 10 249 #define SYNAPTICS_QUEUE_CURSOR(x) \ 250 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 251 252 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 253 ((synhw).infoMajor > (major) || \ 254 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 255 256 typedef struct smoother { 257 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 258 int queue_len; 259 int queue_cursor; 260 int start_x; 261 int start_y; 262 int avg_dx; 263 int avg_dy; 264 int squelch_x; 265 int squelch_y; 266 int is_fuzzy; 267 int active; 268 } smoother_t; 269 270 typedef struct gesture { 271 int window_min; 272 int fingers_nb; 273 int tap_button; 274 int in_taphold; 275 int in_vscroll; 276 int zmax; /* maximum pressure value */ 277 struct timeval taptimeout; /* tap timeout for touchpads */ 278 } gesture_t; 279 280 enum { 281 TRACKPOINT_SYSCTL_SENSITIVITY, 282 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 283 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 284 TRACKPOINT_SYSCTL_BACKUP_RANGE, 285 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 286 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 287 TRACKPOINT_SYSCTL_UP_THRESHOLD, 288 TRACKPOINT_SYSCTL_THRESHOLD, 289 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 290 TRACKPOINT_SYSCTL_Z_TIME, 291 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 292 TRACKPOINT_SYSCTL_SKIP_BACKUPS 293 }; 294 295 typedef struct trackpointinfo { 296 struct sysctl_ctx_list sysctl_ctx; 297 struct sysctl_oid *sysctl_tree; 298 int sensitivity; 299 int inertia; 300 int uplateau; 301 int reach; 302 int draghys; 303 int mindrag; 304 int upthresh; 305 int threshold; 306 int jenks; 307 int ztime; 308 int pts; 309 int skipback; 310 } trackpointinfo_t; 311 312 typedef struct finger { 313 int x; 314 int y; 315 int p; 316 int w; 317 int flags; 318 } finger_t; 319 #define PSM_FINGERS 2 /* # of processed fingers */ 320 #define PSM_FINGER_IS_PEN (1<<0) 321 #define PSM_FINGER_FUZZY (1<<1) 322 #define PSM_FINGER_DEFAULT_P tap_threshold 323 #define PSM_FINGER_DEFAULT_W 1 324 #define PSM_FINGER_IS_SET(f) ((f).x != -1 && (f).y != -1 && (f).p != 0) 325 #define PSM_FINGER_RESET(f) do { \ 326 (f) = (finger_t) { .x = -1, .y = -1, .p = 0, .w = 0, .flags = 0 }; \ 327 } while (0) 328 329 typedef struct elantechhw { 330 int hwversion; 331 int fwversion; 332 int sizex; 333 int sizey; 334 int dpmmx; 335 int dpmmy; 336 int ntracesx; 337 int ntracesy; 338 int dptracex; 339 int dptracey; 340 int issemimt; 341 int isclickpad; 342 int hascrc; 343 int hastrackpoint; 344 int haspressure; 345 } elantechhw_t; 346 347 /* minimum versions supported by this driver */ 348 #define ELANTECH_HW_IS_V1(fwver) ((fwver) < 0x020030 || (fwver) == 0x020600) 349 350 #define ELANTECH_MAGIC(magic) \ 351 ((magic)[0] == 0x3c && (magic)[1] == 0x03 && \ 352 ((magic)[2] == 0xc8 || (magic)[2] == 0x00)) 353 354 #define ELANTECH_FW_ID 0x00 355 #define ELANTECH_FW_VERSION 0x01 356 #define ELANTECH_CAPABILITIES 0x02 357 #define ELANTECH_SAMPLE 0x03 358 #define ELANTECH_RESOLUTION 0x04 359 #define ELANTECH_REG_READ 0x10 360 #define ELANTECH_REG_WRITE 0x11 361 #define ELANTECH_REG_RDWR 0x00 362 #define ELANTECH_CUSTOM_CMD 0xf8 363 364 #ifdef EVDEV_SUPPORT 365 #define ELANTECH_MAX_FINGERS 5 366 #else 367 #define ELANTECH_MAX_FINGERS PSM_FINGERS 368 #endif 369 370 #define ELANTECH_FINGER_MAX_P 255 371 #define ELANTECH_FINGER_MAX_W 15 372 #define ELANTECH_FINGER_SET_XYP(pb) (finger_t) { \ 373 .x = (((pb)->ipacket[1] & 0x0f) << 8) | (pb)->ipacket[2], \ 374 .y = (((pb)->ipacket[4] & 0x0f) << 8) | (pb)->ipacket[5], \ 375 .p = ((pb)->ipacket[1] & 0xf0) | (((pb)->ipacket[4] >> 4) & 0x0f), \ 376 .w = PSM_FINGER_DEFAULT_W, \ 377 .flags = 0 \ 378 } 379 380 enum { 381 ELANTECH_PKT_NOP, 382 ELANTECH_PKT_TRACKPOINT, 383 ELANTECH_PKT_V2_COMMON, 384 ELANTECH_PKT_V2_2FINGER, 385 ELANTECH_PKT_V3, 386 ELANTECH_PKT_V4_STATUS, 387 ELANTECH_PKT_V4_HEAD, 388 ELANTECH_PKT_V4_MOTION 389 }; 390 391 #define ELANTECH_PKT_IS_TRACKPOINT(pb) (((pb)->ipacket[3] & 0x0f) == 0x06) 392 #define ELANTECH_PKT_IS_DEBOUNCE(pb, hwversion) ((hwversion) == 4 ? 0 : \ 393 (pb)->ipacket[0] == ((hwversion) == 2 ? 0x84 : 0xc4) && \ 394 (pb)->ipacket[1] == 0xff && (pb)->ipacket[2] == 0xff && \ 395 (pb)->ipacket[3] == 0x02 && (pb)->ipacket[4] == 0xff && \ 396 (pb)->ipacket[5] == 0xff) 397 #define ELANTECH_PKT_IS_V2(pb) \ 398 (((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x0f) == 0x02) 399 #define ELANTECH_PKT_IS_V3_HEAD(pb, hascrc) ((hascrc) ? \ 400 ((pb)->ipacket[3] & 0x09) == 0x08 : \ 401 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0xcf) == 0x02) 402 #define ELANTECH_PKT_IS_V3_TAIL(pb, hascrc) ((hascrc) ? \ 403 ((pb)->ipacket[3] & 0x09) == 0x09 : \ 404 ((pb)->ipacket[0] & 0x0c) == 0x0c && ((pb)->ipacket[3] & 0xce) == 0x0c) 405 #define ELANTECH_PKT_IS_V4(pb, hascrc) ((hascrc) ? \ 406 ((pb)->ipacket[3] & 0x08) == 0x00 : \ 407 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x1c) == 0x10) 408 409 typedef struct elantechaction { 410 finger_t fingers[ELANTECH_MAX_FINGERS]; 411 int mask; 412 int mask_v4wait; 413 } elantechaction_t; 414 415 /* driver control block */ 416 struct psm_softc { /* Driver status information */ 417 int unit; 418 struct selinfo rsel; /* Process selecting for Input */ 419 u_char state; /* Mouse driver state */ 420 int config; /* driver configuration flags */ 421 int flags; /* other flags */ 422 KBDC kbdc; /* handle to access kbd controller */ 423 struct resource *intr; /* IRQ resource */ 424 void *ih; /* interrupt handle */ 425 mousehw_t hw; /* hardware information */ 426 synapticshw_t synhw; /* Synaptics hardware information */ 427 synapticsinfo_t syninfo; /* Synaptics configuration */ 428 smoother_t smoother[PSM_FINGERS]; /* Motion smoothing */ 429 gesture_t gesture; /* Gesture context */ 430 elantechhw_t elanhw; /* Elantech hardware information */ 431 elantechaction_t elanaction; /* Elantech action context */ 432 int tphw; /* TrackPoint hardware information */ 433 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 434 mousemode_t mode; /* operation mode */ 435 mousemode_t dflt_mode; /* default operation mode */ 436 mousestatus_t status; /* accumulated mouse movement */ 437 ringbuf_t queue; /* mouse status queue */ 438 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 439 int pqueue_start; /* start of data in queue */ 440 int pqueue_end; /* end of data in queue */ 441 int button; /* the latest button state */ 442 int xold; /* previous absolute X position */ 443 int yold; /* previous absolute Y position */ 444 int xaverage; /* average X position */ 445 int yaverage; /* average Y position */ 446 int squelch; /* level to filter movement at low speed */ 447 int syncerrors; /* # of bytes discarded to synchronize */ 448 int pkterrors; /* # of packets failed during quaranteen. */ 449 int fpcount; /* forcePad valid packet counter */ 450 struct timeval inputtimeout; 451 struct timeval lastsoftintr; /* time of last soft interrupt */ 452 struct timeval lastinputerr; /* time last sync error happened */ 453 struct timeval idletimeout; 454 packetbuf_t idlepacket; /* packet to send after idle timeout */ 455 int watchdog; /* watchdog timer flag */ 456 struct callout callout; /* watchdog timer call out */ 457 struct callout softcallout; /* buffer timer call out */ 458 struct cdev *dev; 459 struct cdev *bdev; 460 int lasterr; 461 int cmdcount; 462 struct sigio *async; /* Processes waiting for SIGIO */ 463 int extended_buttons; 464 int muxport; /* MUX port with attached Synaptics */ 465 u_char muxsave[3]; /* 3->6 byte proto conversion buffer */ 466 int muxtpbuttons; /* Touchpad button state */ 467 int muxmsbuttons; /* Mouse (trackpoint) button state */ 468 struct timeval muxmidtimeout; /* middle button supression timeout */ 469 #ifdef EVDEV_SUPPORT 470 struct evdev_dev *evdev_a; /* Absolute reporting device */ 471 struct evdev_dev *evdev_r; /* Relative reporting device */ 472 #endif 473 }; 474 static devclass_t psm_devclass; 475 476 /* driver state flags (state) */ 477 #define PSM_VALID 0x80 478 #define PSM_OPEN 1 /* Device is open */ 479 #define PSM_ASLP 2 /* Waiting for mouse data */ 480 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 481 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 482 #define PSM_EV_OPEN_R 0x10 /* Relative evdev device is open */ 483 #define PSM_EV_OPEN_A 0x20 /* Absolute evdev device is open */ 484 485 /* driver configuration flags (config) */ 486 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 487 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 488 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 489 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 490 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 491 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 492 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 493 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 494 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 495 496 #define PSM_CONFIG_FLAGS \ 497 (PSM_CONFIG_RESOLUTION | \ 498 PSM_CONFIG_ACCEL | \ 499 PSM_CONFIG_NOCHECKSYNC | \ 500 PSM_CONFIG_NOIDPROBE | \ 501 PSM_CONFIG_NORESET | \ 502 PSM_CONFIG_FORCETAP | \ 503 PSM_CONFIG_IGNPORTERROR | \ 504 PSM_CONFIG_HOOKRESUME | \ 505 PSM_CONFIG_INITAFTERSUSPEND) 506 507 /* other flags (flags) */ 508 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 509 510 #define kbdcp(p) ((atkbdc_softc_t *)(p)) 511 #define ALWAYS_RESTORE_CONTROLLER(kbdc) !(kbdcp(kbdc)->quirks \ 512 & KBDC_QUIRK_KEEP_ACTIVATED) 513 514 /* Tunables */ 515 static int tap_enabled = -1; 516 static int verbose = PSM_DEBUG; 517 static int synaptics_support = 1; 518 static int trackpoint_support = 1; 519 static int elantech_support = 1; 520 521 /* for backward compatibility */ 522 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 523 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 524 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 525 526 typedef struct old_mousehw { 527 int buttons; 528 int iftype; 529 int type; 530 int hwid; 531 } old_mousehw_t; 532 533 typedef struct old_mousemode { 534 int protocol; 535 int rate; 536 int resolution; 537 int accelfactor; 538 } old_mousemode_t; 539 540 #define SYN_OFFSET(field) offsetof(struct psm_softc, syninfo.field) 541 enum { 542 SYNAPTICS_SYSCTL_MIN_PRESSURE = SYN_OFFSET(min_pressure), 543 SYNAPTICS_SYSCTL_MAX_PRESSURE = SYN_OFFSET(max_pressure), 544 SYNAPTICS_SYSCTL_MAX_WIDTH = SYN_OFFSET(max_width), 545 SYNAPTICS_SYSCTL_MARGIN_TOP = SYN_OFFSET(margin_top), 546 SYNAPTICS_SYSCTL_MARGIN_RIGHT = SYN_OFFSET(margin_right), 547 SYNAPTICS_SYSCTL_MARGIN_BOTTOM = SYN_OFFSET(margin_bottom), 548 SYNAPTICS_SYSCTL_MARGIN_LEFT = SYN_OFFSET(margin_left), 549 SYNAPTICS_SYSCTL_NA_TOP = SYN_OFFSET(na_top), 550 SYNAPTICS_SYSCTL_NA_RIGHT = SYN_OFFSET(na_right), 551 SYNAPTICS_SYSCTL_NA_BOTTOM = SYN_OFFSET(na_bottom), 552 SYNAPTICS_SYSCTL_NA_LEFT = SYN_OFFSET(na_left), 553 SYNAPTICS_SYSCTL_WINDOW_MIN = SYN_OFFSET(window_min), 554 SYNAPTICS_SYSCTL_WINDOW_MAX = SYN_OFFSET(window_max), 555 SYNAPTICS_SYSCTL_MULTIPLICATOR = SYN_OFFSET(multiplicator), 556 SYNAPTICS_SYSCTL_WEIGHT_CURRENT = SYN_OFFSET(weight_current), 557 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS = SYN_OFFSET(weight_previous), 558 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA = SYN_OFFSET(weight_previous_na), 559 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED = SYN_OFFSET(weight_len_squared), 560 SYNAPTICS_SYSCTL_DIV_MIN = SYN_OFFSET(div_min), 561 SYNAPTICS_SYSCTL_DIV_MAX = SYN_OFFSET(div_max), 562 SYNAPTICS_SYSCTL_DIV_MAX_NA = SYN_OFFSET(div_max_na), 563 SYNAPTICS_SYSCTL_DIV_LEN = SYN_OFFSET(div_len), 564 SYNAPTICS_SYSCTL_TAP_MAX_DELTA = SYN_OFFSET(tap_max_delta), 565 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE = SYN_OFFSET(tap_min_queue), 566 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT = SYN_OFFSET(taphold_timeout), 567 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA = SYN_OFFSET(vscroll_hor_area), 568 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA = SYN_OFFSET(vscroll_ver_area), 569 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA = SYN_OFFSET(vscroll_min_delta), 570 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN = SYN_OFFSET(vscroll_div_min), 571 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX = SYN_OFFSET(vscroll_div_max), 572 SYNAPTICS_SYSCTL_TOUCHPAD_OFF = SYN_OFFSET(touchpad_off), 573 SYNAPTICS_SYSCTL_SOFTBUTTONS_Y = SYN_OFFSET(softbuttons_y), 574 SYNAPTICS_SYSCTL_SOFTBUTTON2_X = SYN_OFFSET(softbutton2_x), 575 SYNAPTICS_SYSCTL_SOFTBUTTON3_X = SYN_OFFSET(softbutton3_x), 576 SYNAPTICS_SYSCTL_THREE_FINGER_DRAG = SYN_OFFSET(three_finger_drag), 577 SYNAPTICS_SYSCTL_NATURAL_SCROLL = SYN_OFFSET(natural_scroll), 578 #define SYNAPTICS_SYSCTL_LAST SYNAPTICS_SYSCTL_NATURAL_SCROLL 579 }; 580 581 /* packet formatting function */ 582 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 583 mousestatus_t *); 584 585 /* function prototypes */ 586 static void psmidentify(driver_t *, device_t); 587 static int psmprobe(device_t); 588 static int psmattach(device_t); 589 static int psmdetach(device_t); 590 static int psmresume(device_t); 591 592 static d_open_t psm_cdev_open; 593 static d_close_t psm_cdev_close; 594 static d_read_t psmread; 595 static d_write_t psmwrite; 596 static d_ioctl_t psmioctl; 597 static d_poll_t psmpoll; 598 599 static int psmopen(struct psm_softc *); 600 static int psmclose(struct psm_softc *); 601 602 #ifdef EVDEV_SUPPORT 603 static evdev_open_t psm_ev_open_r; 604 static evdev_close_t psm_ev_close_r; 605 static evdev_open_t psm_ev_open_a; 606 static evdev_close_t psm_ev_close_a; 607 #endif 608 609 static int enable_aux_dev(KBDC); 610 static int disable_aux_dev(KBDC); 611 static int get_mouse_status(KBDC, int *, int, int); 612 static int get_aux_id(KBDC); 613 static int set_mouse_sampling_rate(KBDC, int); 614 static int set_mouse_scaling(KBDC, int); 615 static int set_mouse_resolution(KBDC, int); 616 static int set_mouse_mode(KBDC); 617 static int get_mouse_buttons(KBDC); 618 static int is_a_mouse(int); 619 static void recover_from_error(KBDC); 620 static int restore_controller(KBDC, int); 621 static int doinitialize(struct psm_softc *, mousemode_t *); 622 static int doopen(struct psm_softc *, int); 623 static int reinitialize(struct psm_softc *, int); 624 static char *model_name(int); 625 static void psmsoftintr(void *); 626 static void psmsoftintridle(void *); 627 static void psmintr(void *); 628 static void psmtimeout(void *); 629 static int timeelapsed(const struct timeval *, int, int, 630 const struct timeval *); 631 static void dropqueue(struct psm_softc *); 632 static void flushpackets(struct psm_softc *); 633 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 634 mousestatus_t *, int *, int *, int *); 635 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 636 mousestatus_t *, int *, int *, int *); 637 static int proc_synaptics_mux(struct psm_softc *, packetbuf_t *); 638 static void proc_versapad(struct psm_softc *, packetbuf_t *, 639 mousestatus_t *, int *, int *, int *); 640 static int proc_elantech(struct psm_softc *, packetbuf_t *, 641 mousestatus_t *, int *, int *, int *); 642 static int psmpalmdetect(struct psm_softc *, finger_t *, int); 643 static void psmgestures(struct psm_softc *, finger_t *, int, 644 mousestatus_t *); 645 static void psmsmoother(struct psm_softc *, finger_t *, int, 646 mousestatus_t *, int *, int *); 647 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 648 u_char *); 649 650 /* vendor specific features */ 651 enum probearg { PROBE, REINIT }; 652 typedef int probefunc_t(struct psm_softc *, enum probearg); 653 654 static int mouse_id_proc1(KBDC, int, int, int *); 655 static int mouse_ext_command(KBDC, int); 656 657 static probefunc_t enable_groller; 658 static probefunc_t enable_gmouse; 659 static probefunc_t enable_aglide; 660 static probefunc_t enable_kmouse; 661 static probefunc_t enable_msexplorer; 662 static probefunc_t enable_msintelli; 663 static probefunc_t enable_4dmouse; 664 static probefunc_t enable_4dplus; 665 static probefunc_t enable_mmanplus; 666 static probefunc_t enable_synaptics; 667 static probefunc_t enable_synaptics_mux; 668 static probefunc_t enable_trackpoint; 669 static probefunc_t enable_versapad; 670 static probefunc_t enable_elantech; 671 672 static void set_trackpoint_parameters(struct psm_softc *sc); 673 static void synaptics_passthrough_on(struct psm_softc *sc); 674 static void synaptics_passthrough_off(struct psm_softc *sc); 675 static int synaptics_preferred_mode(struct psm_softc *sc); 676 static void synaptics_set_mode(struct psm_softc *sc, int mode_byte); 677 678 static struct { 679 int model; 680 u_char syncmask; 681 int packetsize; 682 probefunc_t *probefunc; 683 } vendortype[] = { 684 /* 685 * WARNING: the order of probe is very important. Don't mess it 686 * unless you know what you are doing. 687 */ 688 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad on Active Mux */ 689 0x00, MOUSE_PS2_PACKETSIZE, enable_synaptics_mux }, 690 { MOUSE_MODEL_NET, /* Genius NetMouse */ 691 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 692 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 693 0xc8, 6, enable_groller }, 694 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 695 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 696 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 697 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 698 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 699 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 700 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 701 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 702 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 703 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 704 { MOUSE_MODEL_ELANTECH, /* Elantech Touchpad */ 705 0x04, MOUSE_ELANTECH_PACKETSIZE, enable_elantech }, 706 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 707 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 708 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 709 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 710 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 711 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 712 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 713 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 714 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 715 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 716 { MOUSE_MODEL_GENERIC, 717 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 718 }; 719 #define GENERIC_MOUSE_ENTRY (nitems(vendortype) - 1) 720 721 /* device driver declarateion */ 722 static device_method_t psm_methods[] = { 723 /* Device interface */ 724 DEVMETHOD(device_identify, psmidentify), 725 DEVMETHOD(device_probe, psmprobe), 726 DEVMETHOD(device_attach, psmattach), 727 DEVMETHOD(device_detach, psmdetach), 728 DEVMETHOD(device_resume, psmresume), 729 730 { 0, 0 } 731 }; 732 733 static driver_t psm_driver = { 734 PSM_DRIVER_NAME, 735 psm_methods, 736 sizeof(struct psm_softc), 737 }; 738 739 static struct cdevsw psm_cdevsw = { 740 .d_version = D_VERSION, 741 .d_flags = D_NEEDGIANT, 742 .d_open = psm_cdev_open, 743 .d_close = psm_cdev_close, 744 .d_read = psmread, 745 .d_write = psmwrite, 746 .d_ioctl = psmioctl, 747 .d_poll = psmpoll, 748 .d_name = PSM_DRIVER_NAME, 749 }; 750 751 #ifdef EVDEV_SUPPORT 752 static const struct evdev_methods psm_ev_methods_r = { 753 .ev_open = psm_ev_open_r, 754 .ev_close = psm_ev_close_r, 755 }; 756 static const struct evdev_methods psm_ev_methods_a = { 757 .ev_open = psm_ev_open_a, 758 .ev_close = psm_ev_close_a, 759 }; 760 #endif 761 762 /* device I/O routines */ 763 static int 764 enable_aux_dev(KBDC kbdc) 765 { 766 int res; 767 768 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 769 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 770 771 return (res == PSM_ACK); 772 } 773 774 static int 775 disable_aux_dev(KBDC kbdc) 776 { 777 int res; 778 779 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 780 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 781 782 return (res == PSM_ACK); 783 } 784 785 static int 786 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 787 { 788 int cmd; 789 int res; 790 int i; 791 792 switch (flag) { 793 case 0: 794 default: 795 cmd = PSMC_SEND_DEV_STATUS; 796 break; 797 case 1: 798 cmd = PSMC_SEND_DEV_DATA; 799 break; 800 } 801 empty_aux_buffer(kbdc, 5); 802 res = send_aux_command(kbdc, cmd); 803 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 804 (flag == 1) ? "DATA" : "STATUS", res)); 805 if (res != PSM_ACK) 806 return (0); 807 808 for (i = 0; i < len; ++i) { 809 status[i] = read_aux_data(kbdc); 810 if (status[i] < 0) 811 break; 812 } 813 if (len >= 3) { 814 for (; i < 3; ++i) 815 status[i] = 0; 816 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 817 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 818 } 819 820 return (i); 821 } 822 823 static int 824 get_aux_id(KBDC kbdc) 825 { 826 int res; 827 int id; 828 829 empty_aux_buffer(kbdc, 5); 830 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 831 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 832 if (res != PSM_ACK) 833 return (-1); 834 835 /* 10ms delay */ 836 DELAY(10000); 837 838 id = read_aux_data(kbdc); 839 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 840 841 return (id); 842 } 843 844 static int 845 set_mouse_sampling_rate(KBDC kbdc, int rate) 846 { 847 int res; 848 849 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 850 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 851 852 return ((res == PSM_ACK) ? rate : -1); 853 } 854 855 static int 856 set_mouse_scaling(KBDC kbdc, int scale) 857 { 858 int res; 859 860 switch (scale) { 861 case 1: 862 default: 863 scale = PSMC_SET_SCALING11; 864 break; 865 case 2: 866 scale = PSMC_SET_SCALING21; 867 break; 868 } 869 res = send_aux_command(kbdc, scale); 870 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 871 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 872 873 return (res == PSM_ACK); 874 } 875 876 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 877 static int 878 set_mouse_resolution(KBDC kbdc, int val) 879 { 880 int res; 881 882 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 883 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 884 885 return ((res == PSM_ACK) ? val : -1); 886 } 887 888 /* 889 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 890 * re-enabled by calling `enable_aux_dev()' 891 */ 892 static int 893 set_mouse_mode(KBDC kbdc) 894 { 895 int res; 896 897 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 898 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 899 900 return (res == PSM_ACK); 901 } 902 903 static int 904 get_mouse_buttons(KBDC kbdc) 905 { 906 int c = 2; /* assume two buttons by default */ 907 int status[3]; 908 909 /* 910 * NOTE: a special sequence to obtain Logitech Mouse specific 911 * information: set resolution to 25 ppi, set scaling to 1:1, set 912 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 913 * mouse status bytes is the number of available buttons. 914 * Some manufactures also support this sequence. 915 */ 916 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 917 return (c); 918 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 919 set_mouse_scaling(kbdc, 1) && 920 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 921 return (status[1]); 922 return (c); 923 } 924 925 /* misc subroutines */ 926 /* 927 * Someday, I will get the complete list of valid pointing devices and 928 * their IDs... XXX 929 */ 930 static int 931 is_a_mouse(int id) 932 { 933 #if 0 934 static int valid_ids[] = { 935 PSM_MOUSE_ID, /* mouse */ 936 PSM_BALLPOINT_ID, /* ballpoint device */ 937 PSM_INTELLI_ID, /* Intellimouse */ 938 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 939 -1 /* end of table */ 940 }; 941 int i; 942 943 for (i = 0; valid_ids[i] >= 0; ++i) 944 if (valid_ids[i] == id) 945 return (TRUE); 946 return (FALSE); 947 #else 948 return (TRUE); 949 #endif 950 } 951 952 static char * 953 model_name(int model) 954 { 955 static struct { 956 int model_code; 957 char *model_name; 958 } models[] = { 959 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 960 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 961 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 962 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 963 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 964 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 965 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 966 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 967 { MOUSE_MODEL_4D, "4D Mouse" }, 968 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 969 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 970 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 971 { MOUSE_MODEL_ELANTECH, "Elantech Touchpad" }, 972 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 973 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 974 }; 975 int i; 976 977 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 978 if (models[i].model_code == model) 979 break; 980 return (models[i].model_name); 981 } 982 983 static void 984 recover_from_error(KBDC kbdc) 985 { 986 /* discard anything left in the output buffer */ 987 empty_both_buffers(kbdc, 10); 988 989 #if 0 990 /* 991 * NOTE: KBDC_RESET_KBD may not restore the communication between the 992 * keyboard and the controller. 993 */ 994 reset_kbd(kbdc); 995 #else 996 /* 997 * NOTE: somehow diagnostic and keyboard port test commands bring the 998 * keyboard back. 999 */ 1000 if (!test_controller(kbdc)) 1001 log(LOG_ERR, "psm: keyboard controller failed.\n"); 1002 /* if there isn't a keyboard in the system, the following error is OK */ 1003 if (test_kbd_port(kbdc) != 0) 1004 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 1005 #endif 1006 } 1007 1008 static int 1009 restore_controller(KBDC kbdc, int command_byte) 1010 { 1011 empty_both_buffers(kbdc, 10); 1012 1013 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 1014 log(LOG_ERR, "psm: failed to restore the keyboard controller " 1015 "command byte.\n"); 1016 empty_both_buffers(kbdc, 10); 1017 return (FALSE); 1018 } else { 1019 empty_both_buffers(kbdc, 10); 1020 return (TRUE); 1021 } 1022 } 1023 1024 /* 1025 * Re-initialize the aux port and device. The aux port must be enabled 1026 * and its interrupt must be disabled before calling this routine. 1027 * The aux device will be disabled before returning. 1028 * The keyboard controller must be locked via `kbdc_lock()' before 1029 * calling this routine. 1030 */ 1031 static int 1032 doinitialize(struct psm_softc *sc, mousemode_t *mode) 1033 { 1034 KBDC kbdc = sc->kbdc; 1035 int stat[3]; 1036 int i; 1037 1038 switch((i = test_aux_port(kbdc))) { 1039 case 1: /* ignore these errors */ 1040 case 2: 1041 case 3: 1042 case PSM_ACK: 1043 if (verbose) 1044 log(LOG_DEBUG, 1045 "psm%d: strange result for test aux port (%d).\n", 1046 sc->unit, i); 1047 /* FALLTHROUGH */ 1048 case 0: /* no error */ 1049 break; 1050 case -1: /* time out */ 1051 default: /* error */ 1052 recover_from_error(kbdc); 1053 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1054 break; 1055 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 1056 sc->unit, i); 1057 return (FALSE); 1058 } 1059 1060 if (sc->config & PSM_CONFIG_NORESET) { 1061 /* 1062 * Don't try to reset the pointing device. It may possibly 1063 * be left in the unknown state, though... 1064 */ 1065 } else { 1066 /* 1067 * NOTE: some controllers appears to hang the `keyboard' when 1068 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1069 */ 1070 if (!reset_aux_dev(kbdc)) { 1071 recover_from_error(kbdc); 1072 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 1073 sc->unit); 1074 return (FALSE); 1075 } 1076 } 1077 1078 /* 1079 * both the aux port and the aux device is functioning, see 1080 * if the device can be enabled. 1081 */ 1082 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 1083 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 1084 sc->unit); 1085 return (FALSE); 1086 } 1087 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 1088 1089 /* Re-enable the mouse. */ 1090 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1091 if (vendortype[i].model == sc->hw.model) 1092 (*vendortype[i].probefunc)(sc, REINIT); 1093 1094 /* set mouse parameters */ 1095 if (mode != (mousemode_t *)NULL) { 1096 if (mode->rate > 0) 1097 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 1098 if (mode->resolution >= 0) 1099 mode->resolution = 1100 set_mouse_resolution(kbdc, mode->resolution); 1101 set_mouse_scaling(kbdc, 1); 1102 set_mouse_mode(kbdc); 1103 } 1104 1105 /* Record sync on the next data packet we see. */ 1106 sc->flags |= PSM_NEED_SYNCBITS; 1107 1108 /* just check the status of the mouse */ 1109 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 1110 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 1111 sc->unit); 1112 1113 return (TRUE); 1114 } 1115 1116 static int 1117 doopen(struct psm_softc *sc, int command_byte) 1118 { 1119 int stat[3]; 1120 int mux_enabled = FALSE; 1121 1122 /* 1123 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 1124 * no obvious reason. Thus we check the current mode and restore the 1125 * Absolute Mode if it was cleared. 1126 * 1127 * The previous hack at the end of psmprobe() wasn't efficient when 1128 * moused(8) was restarted. 1129 * 1130 * A Reset (FF) or Set Defaults (F6) command would clear the 1131 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 1132 * doesn't show any evidence of such a command. 1133 */ 1134 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 1135 if (sc->muxport != PSM_NOMUX) { 1136 mux_enabled = enable_aux_mux(sc->kbdc) >= 0; 1137 if (mux_enabled) 1138 set_active_aux_mux_port(sc->kbdc, sc->muxport); 1139 else 1140 log(LOG_ERR, "psm%d: failed to enable " 1141 "active multiplexing mode.\n", 1142 sc->unit); 1143 } 1144 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODES); 1145 get_mouse_status(sc->kbdc, stat, 0, 3); 1146 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 1147 stat[1] == 0x47) && 1148 stat[2] == 0x40) { 1149 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1150 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 1151 "hopefully restored\n", 1152 sc->unit)); 1153 } 1154 if (mux_enabled) 1155 disable_aux_mux(sc->kbdc); 1156 } 1157 1158 /* 1159 * A user may want to disable tap and drag gestures on a Synaptics 1160 * TouchPad when it operates in Relative Mode. 1161 */ 1162 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 1163 if (tap_enabled > 0) { 1164 VLOG(2, (LOG_DEBUG, 1165 "psm%d: enable tap and drag gestures\n", 1166 sc->unit)); 1167 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1168 } else if (tap_enabled == 0) { 1169 VLOG(2, (LOG_DEBUG, 1170 "psm%d: disable tap and drag gestures\n", 1171 sc->unit)); 1172 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1173 } 1174 } 1175 1176 /* enable the mouse device */ 1177 if (!enable_aux_dev(sc->kbdc)) { 1178 /* MOUSE ERROR: failed to enable the mouse because: 1179 * 1) the mouse is faulty, 1180 * 2) the mouse has been removed(!?) 1181 * In the latter case, the keyboard may have hung, and need 1182 * recovery procedure... 1183 */ 1184 recover_from_error(sc->kbdc); 1185 #if 0 1186 /* FIXME: we could reset the mouse here and try to enable 1187 * it again. But it will take long time and it's not a good 1188 * idea to disable the keyboard that long... 1189 */ 1190 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 1191 recover_from_error(sc->kbdc); 1192 #else 1193 { 1194 #endif 1195 restore_controller(sc->kbdc, command_byte); 1196 /* mark this device is no longer available */ 1197 sc->state &= ~PSM_VALID; 1198 log(LOG_ERR, 1199 "psm%d: failed to enable the device (doopen).\n", 1200 sc->unit); 1201 return (EIO); 1202 } 1203 } 1204 1205 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1206 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 1207 sc->unit); 1208 1209 /* enable the aux port and interrupt */ 1210 if (!set_controller_command_byte(sc->kbdc, 1211 kbdc_get_device_mask(sc->kbdc), 1212 (command_byte & KBD_KBD_CONTROL_BITS) | 1213 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1214 /* CONTROLLER ERROR */ 1215 disable_aux_dev(sc->kbdc); 1216 restore_controller(sc->kbdc, command_byte); 1217 log(LOG_ERR, 1218 "psm%d: failed to enable the aux interrupt (doopen).\n", 1219 sc->unit); 1220 return (EIO); 1221 } 1222 1223 /* start the watchdog timer */ 1224 sc->watchdog = FALSE; 1225 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1226 1227 return (0); 1228 } 1229 1230 static int 1231 reinitialize(struct psm_softc *sc, int doinit) 1232 { 1233 int err; 1234 int c; 1235 int s; 1236 1237 /* don't let anybody mess with the aux device */ 1238 if (!kbdc_lock(sc->kbdc, TRUE)) 1239 return (EIO); 1240 s = spltty(); 1241 1242 /* block our watchdog timer */ 1243 sc->watchdog = FALSE; 1244 callout_stop(&sc->callout); 1245 1246 /* save the current controller command byte */ 1247 empty_both_buffers(sc->kbdc, 10); 1248 c = get_controller_command_byte(sc->kbdc); 1249 VLOG(2, (LOG_DEBUG, 1250 "psm%d: current command byte: %04x (reinitialize).\n", 1251 sc->unit, c)); 1252 1253 /* enable the aux port but disable the aux interrupt and the keyboard */ 1254 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1255 kbdc_get_device_mask(sc->kbdc), 1256 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1257 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1258 /* CONTROLLER ERROR */ 1259 splx(s); 1260 kbdc_lock(sc->kbdc, FALSE); 1261 log(LOG_ERR, 1262 "psm%d: unable to set the command byte (reinitialize).\n", 1263 sc->unit); 1264 return (EIO); 1265 } 1266 1267 /* flush any data */ 1268 if (sc->state & PSM_VALID) { 1269 /* this may fail; but never mind... */ 1270 disable_aux_dev(sc->kbdc); 1271 empty_aux_buffer(sc->kbdc, 10); 1272 } 1273 flushpackets(sc); 1274 sc->syncerrors = 0; 1275 sc->pkterrors = 0; 1276 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1277 1278 /* try to detect the aux device; are you still there? */ 1279 err = 0; 1280 if (doinit) { 1281 if (doinitialize(sc, &sc->mode)) { 1282 /* yes */ 1283 sc->state |= PSM_VALID; 1284 } else { 1285 /* the device has gone! */ 1286 restore_controller(sc->kbdc, c); 1287 sc->state &= ~PSM_VALID; 1288 log(LOG_ERR, 1289 "psm%d: the aux device has gone! (reinitialize).\n", 1290 sc->unit); 1291 err = ENXIO; 1292 } 1293 } 1294 splx(s); 1295 1296 /* restore the driver state */ 1297 if ((sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A)) && 1298 (err == 0)) { 1299 /* enable the aux device and the port again */ 1300 err = doopen(sc, c); 1301 if (err != 0) 1302 log(LOG_ERR, "psm%d: failed to enable the device " 1303 "(reinitialize).\n", sc->unit); 1304 } else { 1305 /* restore the keyboard port and disable the aux port */ 1306 if (!set_controller_command_byte(sc->kbdc, 1307 kbdc_get_device_mask(sc->kbdc), 1308 (c & KBD_KBD_CONTROL_BITS) | 1309 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1310 /* CONTROLLER ERROR */ 1311 log(LOG_ERR, "psm%d: failed to disable the aux port " 1312 "(reinitialize).\n", sc->unit); 1313 err = EIO; 1314 } 1315 } 1316 1317 kbdc_lock(sc->kbdc, FALSE); 1318 return (err); 1319 } 1320 1321 /* psm driver entry points */ 1322 1323 static void 1324 psmidentify(driver_t *driver, device_t parent) 1325 { 1326 device_t psmc; 1327 device_t psm; 1328 u_long irq; 1329 int unit; 1330 1331 unit = device_get_unit(parent); 1332 1333 /* always add at least one child */ 1334 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1335 if (psm == NULL) 1336 return; 1337 1338 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1339 if (irq > 0) 1340 return; 1341 1342 /* 1343 * If the PS/2 mouse device has already been reported by ACPI or 1344 * PnP BIOS, obtain the IRQ resource from it. 1345 * (See psmcpnp_attach() below.) 1346 */ 1347 psmc = device_find_child(device_get_parent(parent), 1348 PSMCPNP_DRIVER_NAME, unit); 1349 if (psmc == NULL) 1350 return; 1351 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1352 if (irq <= 0) 1353 return; 1354 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1355 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1356 } 1357 1358 #define endprobe(v) do { \ 1359 if (bootverbose) \ 1360 --verbose; \ 1361 kbdc_set_device_mask(sc->kbdc, mask); \ 1362 kbdc_lock(sc->kbdc, FALSE); \ 1363 return (v); \ 1364 } while (0) 1365 1366 static int 1367 psmprobe(device_t dev) 1368 { 1369 int unit = device_get_unit(dev); 1370 struct psm_softc *sc = device_get_softc(dev); 1371 int stat[3]; 1372 int command_byte; 1373 int mask; 1374 int rid; 1375 int i; 1376 1377 #if 0 1378 kbdc_debug(TRUE); 1379 #endif 1380 1381 /* see if IRQ is available */ 1382 rid = KBDC_RID_AUX; 1383 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1384 if (sc->intr == NULL) { 1385 if (bootverbose) 1386 device_printf(dev, "unable to allocate IRQ\n"); 1387 return (ENXIO); 1388 } 1389 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1390 1391 sc->unit = unit; 1392 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1393 if (sc->kbdc == NULL) 1394 return (ENXIO); 1395 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1396 /* XXX: for backward compatibility */ 1397 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1398 sc->config |= 1399 #ifdef PSM_RESETAFTERSUSPEND 1400 PSM_CONFIG_INITAFTERSUSPEND; 1401 #else 1402 PSM_CONFIG_HOOKRESUME; 1403 #endif 1404 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1405 sc->flags = 0; 1406 sc->muxport = PSM_NOMUX; 1407 if (bootverbose) 1408 ++verbose; 1409 1410 device_set_desc(dev, "PS/2 Mouse"); 1411 1412 if (!kbdc_lock(sc->kbdc, TRUE)) { 1413 printf("psm%d: unable to lock the controller.\n", unit); 1414 if (bootverbose) 1415 --verbose; 1416 return (ENXIO); 1417 } 1418 1419 /* 1420 * NOTE: two bits in the command byte controls the operation of the 1421 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1422 * port interrupt (IRQ 12) enable bit (bit 2). 1423 */ 1424 1425 /* discard anything left after the keyboard initialization */ 1426 empty_both_buffers(sc->kbdc, 10); 1427 1428 /* save the current command byte; it will be used later */ 1429 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1430 command_byte = get_controller_command_byte(sc->kbdc); 1431 if (verbose) 1432 printf("psm%d: current command byte:%04x\n", unit, 1433 command_byte); 1434 if (command_byte == -1) { 1435 /* CONTROLLER ERROR */ 1436 printf("psm%d: unable to get the current command byte value.\n", 1437 unit); 1438 endprobe(ENXIO); 1439 } 1440 1441 /* 1442 * disable the keyboard port while probing the aux port, which must be 1443 * enabled during this routine 1444 */ 1445 if (!set_controller_command_byte(sc->kbdc, 1446 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1447 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1448 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1449 /* 1450 * this is CONTROLLER ERROR; I don't know how to recover 1451 * from this error... 1452 */ 1453 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1454 restore_controller(sc->kbdc, command_byte); 1455 printf("psm%d: unable to set the command byte.\n", unit); 1456 endprobe(ENXIO); 1457 } 1458 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1459 1460 /* 1461 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1462 * port exists and is functioning. However, some controllers appears 1463 * to respond with zero even when the aux port doesn't exist. (It may 1464 * be that this is only the case when the controller DOES have the aux 1465 * port but the port is not wired on the motherboard.) The keyboard 1466 * controllers without the port, such as the original AT, are 1467 * supposed to return with an error code or simply time out. In any 1468 * case, we have to continue probing the port even when the controller 1469 * passes this test. 1470 * 1471 * XXX: some controllers erroneously return the error code 1, 2 or 3 1472 * when it has a perfectly functional aux port. We have to ignore 1473 * this error code. Even if the controller HAS error with the aux 1474 * port, it will be detected later... 1475 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1476 */ 1477 switch ((i = test_aux_port(sc->kbdc))) { 1478 case 1: /* ignore these errors */ 1479 case 2: 1480 case 3: 1481 case PSM_ACK: 1482 if (verbose) 1483 printf("psm%d: strange result for test aux port " 1484 "(%d).\n", unit, i); 1485 /* FALLTHROUGH */ 1486 case 0: /* no error */ 1487 break; 1488 case -1: /* time out */ 1489 default: /* error */ 1490 recover_from_error(sc->kbdc); 1491 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1492 break; 1493 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1494 restore_controller(sc->kbdc, command_byte); 1495 if (verbose) 1496 printf("psm%d: the aux port is not functioning (%d).\n", 1497 unit, i); 1498 endprobe(ENXIO); 1499 } 1500 1501 if (sc->config & PSM_CONFIG_NORESET) { 1502 /* 1503 * Don't try to reset the pointing device. It may possibly be 1504 * left in an unknown state, though... 1505 */ 1506 } else { 1507 /* 1508 * NOTE: some controllers appears to hang the `keyboard' when 1509 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1510 * 1511 * Attempt to reset the controller twice -- this helps 1512 * pierce through some KVM switches. The second reset 1513 * is non-fatal. 1514 */ 1515 if (!reset_aux_dev(sc->kbdc)) { 1516 recover_from_error(sc->kbdc); 1517 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1518 restore_controller(sc->kbdc, command_byte); 1519 if (verbose) 1520 printf("psm%d: failed to reset the aux " 1521 "device.\n", unit); 1522 endprobe(ENXIO); 1523 } else if (!reset_aux_dev(sc->kbdc)) { 1524 recover_from_error(sc->kbdc); 1525 if (verbose >= 2) 1526 printf("psm%d: failed to reset the aux device " 1527 "(2).\n", unit); 1528 } 1529 } 1530 1531 /* 1532 * both the aux port and the aux device are functioning, see if the 1533 * device can be enabled. NOTE: when enabled, the device will start 1534 * sending data; we shall immediately disable the device once we know 1535 * the device can be enabled. 1536 */ 1537 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1538 /* MOUSE ERROR */ 1539 recover_from_error(sc->kbdc); 1540 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1541 restore_controller(sc->kbdc, command_byte); 1542 if (verbose) 1543 printf("psm%d: failed to enable the aux device.\n", 1544 unit); 1545 endprobe(ENXIO); 1546 } 1547 1548 /* save the default values after reset */ 1549 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1550 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1551 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1552 } else { 1553 sc->dflt_mode.rate = sc->mode.rate = -1; 1554 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1555 } 1556 1557 /* hardware information */ 1558 sc->hw.iftype = MOUSE_IF_PS2; 1559 1560 /* verify the device is a mouse */ 1561 sc->hw.hwid = get_aux_id(sc->kbdc); 1562 if (!is_a_mouse(sc->hw.hwid)) { 1563 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1564 restore_controller(sc->kbdc, command_byte); 1565 if (verbose) 1566 printf("psm%d: unknown device type (%d).\n", unit, 1567 sc->hw.hwid); 1568 endprobe(ENXIO); 1569 } 1570 switch (sc->hw.hwid) { 1571 case PSM_BALLPOINT_ID: 1572 sc->hw.type = MOUSE_TRACKBALL; 1573 break; 1574 case PSM_MOUSE_ID: 1575 case PSM_INTELLI_ID: 1576 case PSM_EXPLORER_ID: 1577 case PSM_4DMOUSE_ID: 1578 case PSM_4DPLUS_ID: 1579 sc->hw.type = MOUSE_MOUSE; 1580 break; 1581 default: 1582 sc->hw.type = MOUSE_UNKNOWN; 1583 break; 1584 } 1585 1586 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1587 sc->hw.buttons = 2; 1588 i = GENERIC_MOUSE_ENTRY; 1589 } else { 1590 /* # of buttons */ 1591 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1592 1593 /* other parameters */ 1594 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1595 if ((*vendortype[i].probefunc)(sc, PROBE)) { 1596 if (verbose >= 2) 1597 printf("psm%d: found %s\n", unit, 1598 model_name(vendortype[i].model)); 1599 break; 1600 } 1601 } 1602 1603 sc->hw.model = vendortype[i].model; 1604 1605 sc->dflt_mode.level = PSM_LEVEL_BASE; 1606 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1607 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1608 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1609 sc->dflt_mode.syncmask[0] = 0; 1610 else 1611 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1612 if (sc->config & PSM_CONFIG_FORCETAP) 1613 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1614 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1615 sc->mode = sc->dflt_mode; 1616 sc->mode.packetsize = vendortype[i].packetsize; 1617 1618 /* set mouse parameters */ 1619 #if 0 1620 /* 1621 * A version of Logitech FirstMouse+ won't report wheel movement, 1622 * if SET_DEFAULTS is sent... Don't use this command. 1623 * This fix was found by Takashi Nishida. 1624 */ 1625 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1626 if (verbose >= 2) 1627 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1628 #endif 1629 if (sc->config & PSM_CONFIG_RESOLUTION) 1630 sc->mode.resolution = 1631 set_mouse_resolution(sc->kbdc, 1632 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1633 else if (sc->mode.resolution >= 0) 1634 sc->mode.resolution = 1635 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1636 if (sc->mode.rate > 0) 1637 sc->mode.rate = 1638 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1639 set_mouse_scaling(sc->kbdc, 1); 1640 1641 /* Record sync on the next data packet we see. */ 1642 sc->flags |= PSM_NEED_SYNCBITS; 1643 1644 /* just check the status of the mouse */ 1645 /* 1646 * NOTE: XXX there are some arcane controller/mouse combinations out 1647 * there, which hung the controller unless there is data transmission 1648 * after ACK from the mouse. 1649 */ 1650 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1651 printf("psm%d: failed to get status.\n", unit); 1652 else { 1653 /* 1654 * When in its native mode, some mice operate with different 1655 * default parameters than in the PS/2 compatible mode. 1656 */ 1657 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1658 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1659 } 1660 1661 /* disable the aux port for now... */ 1662 if (!set_controller_command_byte(sc->kbdc, 1663 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1664 (command_byte & KBD_KBD_CONTROL_BITS) | 1665 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1666 /* 1667 * this is CONTROLLER ERROR; I don't know the proper way to 1668 * recover from this error... 1669 */ 1670 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1671 restore_controller(sc->kbdc, command_byte); 1672 printf("psm%d: unable to set the command byte.\n", unit); 1673 endprobe(ENXIO); 1674 } 1675 1676 /* done */ 1677 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1678 kbdc_lock(sc->kbdc, FALSE); 1679 return (0); 1680 } 1681 1682 #ifdef EVDEV_SUPPORT 1683 /* Values are taken from Linux drivers for userland software compatibility */ 1684 #define PS2_MOUSE_VENDOR 0x0002 1685 #define PS2_MOUSE_GENERIC_PRODUCT 0x0001 1686 #define PS2_MOUSE_SYNAPTICS_NAME "SynPS/2 Synaptics TouchPad" 1687 #define PS2_MOUSE_SYNAPTICS_PRODUCT 0x0007 1688 #define PS2_MOUSE_TRACKPOINT_NAME "TPPS/2 IBM TrackPoint" 1689 #define PS2_MOUSE_TRACKPOINT_PRODUCT 0x000A 1690 #define PS2_MOUSE_ELANTECH_NAME "ETPS/2 Elantech Touchpad" 1691 #define PS2_MOUSE_ELANTECH_ST_NAME "ETPS/2 Elantech TrackPoint" 1692 #define PS2_MOUSE_ELANTECH_PRODUCT 0x000E 1693 1694 #define ABSINFO_END { ABS_CNT, 0, 0, 0 } 1695 1696 static void 1697 psm_support_abs_bulk(struct evdev_dev *evdev, const uint16_t info[][4]) 1698 { 1699 size_t i; 1700 1701 for (i = 0; info[i][0] != ABS_CNT; i++) 1702 evdev_support_abs(evdev, info[i][0], 0, info[i][1], info[i][2], 1703 0, 0, info[i][3]); 1704 } 1705 1706 static void 1707 psm_push_mt_finger(struct psm_softc *sc, int id, const finger_t *f) 1708 { 1709 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1710 1711 evdev_push_abs(sc->evdev_a, ABS_MT_SLOT, id); 1712 evdev_push_abs(sc->evdev_a, ABS_MT_TRACKING_ID, id); 1713 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_X, f->x); 1714 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_Y, y); 1715 evdev_push_abs(sc->evdev_a, ABS_MT_PRESSURE, f->p); 1716 } 1717 1718 static void 1719 psm_push_st_finger(struct psm_softc *sc, const finger_t *f) 1720 { 1721 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1722 1723 evdev_push_abs(sc->evdev_a, ABS_X, f->x); 1724 evdev_push_abs(sc->evdev_a, ABS_Y, y); 1725 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, f->p); 1726 if (sc->synhw.capPalmDetect) 1727 evdev_push_abs(sc->evdev_a, ABS_TOOL_WIDTH, f->w); 1728 } 1729 1730 static void 1731 psm_release_mt_slot(struct evdev_dev *evdev, int32_t slot) 1732 { 1733 1734 evdev_push_abs(evdev, ABS_MT_SLOT, slot); 1735 evdev_push_abs(evdev, ABS_MT_TRACKING_ID, -1); 1736 } 1737 1738 static int 1739 psm_register(device_t dev, int model_code) 1740 { 1741 struct psm_softc *sc = device_get_softc(dev); 1742 struct evdev_dev *evdev_r; 1743 int error, i, nbuttons, nwheels, product; 1744 bool is_pointing_stick; 1745 const char *name; 1746 1747 name = model_name(model_code); 1748 nbuttons = sc->hw.buttons; 1749 product = PS2_MOUSE_GENERIC_PRODUCT; 1750 nwheels = 0; 1751 is_pointing_stick = false; 1752 1753 switch (model_code) { 1754 case MOUSE_MODEL_TRACKPOINT: 1755 name = PS2_MOUSE_TRACKPOINT_NAME; 1756 product = PS2_MOUSE_TRACKPOINT_PRODUCT; 1757 nbuttons = 3; 1758 is_pointing_stick = true; 1759 break; 1760 1761 case MOUSE_MODEL_ELANTECH: 1762 name = PS2_MOUSE_ELANTECH_ST_NAME; 1763 product = PS2_MOUSE_ELANTECH_PRODUCT; 1764 nbuttons = 3; 1765 is_pointing_stick = true; 1766 break; 1767 1768 case MOUSE_MODEL_MOUSEMANPLUS: 1769 case MOUSE_MODEL_4D: 1770 nwheels = 2; 1771 break; 1772 1773 case MOUSE_MODEL_EXPLORER: 1774 case MOUSE_MODEL_INTELLI: 1775 case MOUSE_MODEL_NET: 1776 case MOUSE_MODEL_NETSCROLL: 1777 case MOUSE_MODEL_4DPLUS: 1778 nwheels = 1; 1779 break; 1780 } 1781 1782 evdev_r = evdev_alloc(); 1783 evdev_set_name(evdev_r, name); 1784 evdev_set_phys(evdev_r, device_get_nameunit(dev)); 1785 evdev_set_id(evdev_r, BUS_I8042, PS2_MOUSE_VENDOR, product, 0); 1786 evdev_set_methods(evdev_r, sc, &psm_ev_methods_r); 1787 1788 evdev_support_prop(evdev_r, INPUT_PROP_POINTER); 1789 if (is_pointing_stick) 1790 evdev_support_prop(evdev_r, INPUT_PROP_POINTING_STICK); 1791 evdev_support_event(evdev_r, EV_SYN); 1792 evdev_support_event(evdev_r, EV_KEY); 1793 evdev_support_event(evdev_r, EV_REL); 1794 evdev_support_rel(evdev_r, REL_X); 1795 evdev_support_rel(evdev_r, REL_Y); 1796 switch (nwheels) { 1797 case 2: 1798 evdev_support_rel(evdev_r, REL_HWHEEL); 1799 /* FALLTHROUGH */ 1800 case 1: 1801 evdev_support_rel(evdev_r, REL_WHEEL); 1802 } 1803 for (i = 0; i < nbuttons; i++) 1804 evdev_support_key(evdev_r, BTN_MOUSE + i); 1805 1806 error = evdev_register_mtx(evdev_r, &Giant); 1807 if (error) 1808 evdev_free(evdev_r); 1809 else 1810 sc->evdev_r = evdev_r; 1811 return (error); 1812 } 1813 1814 static int 1815 psm_register_synaptics(device_t dev) 1816 { 1817 struct psm_softc *sc = device_get_softc(dev); 1818 const uint16_t synaptics_absinfo_st[][4] = { 1819 { ABS_X, sc->synhw.minimumXCoord, 1820 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1821 { ABS_Y, sc->synhw.minimumYCoord, 1822 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1823 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1824 ABSINFO_END, 1825 }; 1826 const uint16_t synaptics_absinfo_mt[][4] = { 1827 { ABS_MT_SLOT, 0, PSM_FINGERS-1, 0}, 1828 { ABS_MT_TRACKING_ID, -1, PSM_FINGERS-1, 0}, 1829 { ABS_MT_POSITION_X, sc->synhw.minimumXCoord, 1830 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1831 { ABS_MT_POSITION_Y, sc->synhw.minimumYCoord, 1832 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1833 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1834 ABSINFO_END, 1835 }; 1836 struct evdev_dev *evdev_a; 1837 int error, i, guest_model; 1838 1839 evdev_a = evdev_alloc(); 1840 evdev_set_name(evdev_a, PS2_MOUSE_SYNAPTICS_NAME); 1841 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1842 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1843 PS2_MOUSE_SYNAPTICS_PRODUCT, 0); 1844 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1845 1846 evdev_support_event(evdev_a, EV_SYN); 1847 evdev_support_event(evdev_a, EV_KEY); 1848 evdev_support_event(evdev_a, EV_ABS); 1849 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1850 if (sc->synhw.capAdvancedGestures) 1851 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1852 if (sc->synhw.capClickPad) 1853 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1854 if (sc->synhw.capClickPad && sc->synhw.topButtonPad) 1855 evdev_support_prop(evdev_a, INPUT_PROP_TOPBUTTONPAD); 1856 evdev_support_key(evdev_a, BTN_TOUCH); 1857 evdev_support_nfingers(evdev_a, sc->synhw.capReportsV ? 5 : 3); 1858 psm_support_abs_bulk(evdev_a, synaptics_absinfo_st); 1859 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1860 psm_support_abs_bulk(evdev_a, synaptics_absinfo_mt); 1861 if (sc->synhw.capPalmDetect) 1862 evdev_support_abs(evdev_a, ABS_TOOL_WIDTH, 0, 0, 15, 0, 0, 0); 1863 evdev_support_key(evdev_a, BTN_LEFT); 1864 if (!sc->synhw.capClickPad) { 1865 evdev_support_key(evdev_a, BTN_RIGHT); 1866 if (sc->synhw.capExtended && sc->synhw.capMiddle) 1867 evdev_support_key(evdev_a, BTN_MIDDLE); 1868 } 1869 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 1870 evdev_support_key(evdev_a, BTN_BACK); 1871 evdev_support_key(evdev_a, BTN_FORWARD); 1872 } 1873 if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) 1874 for (i = 0; i < sc->synhw.nExtendedButtons; i++) 1875 evdev_support_key(evdev_a, BTN_0 + i); 1876 1877 error = evdev_register_mtx(evdev_a, &Giant); 1878 if (!error && (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX)) { 1879 guest_model = sc->tpinfo.sysctl_tree != NULL ? 1880 MOUSE_MODEL_TRACKPOINT : MOUSE_MODEL_GENERIC; 1881 error = psm_register(dev, guest_model); 1882 } 1883 if (error) 1884 evdev_free(evdev_a); 1885 else 1886 sc->evdev_a = evdev_a; 1887 return (error); 1888 } 1889 1890 static int 1891 psm_register_elantech(device_t dev) 1892 { 1893 struct psm_softc *sc = device_get_softc(dev); 1894 const uint16_t elantech_absinfo[][4] = { 1895 { ABS_X, 0, sc->elanhw.sizex, 1896 sc->elanhw.dpmmx }, 1897 { ABS_Y, 0, sc->elanhw.sizey, 1898 sc->elanhw.dpmmy }, 1899 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1900 { ABS_TOOL_WIDTH, 0, ELANTECH_FINGER_MAX_W, 0 }, 1901 { ABS_MT_SLOT, 0, ELANTECH_MAX_FINGERS - 1, 0 }, 1902 { ABS_MT_TRACKING_ID, -1, ELANTECH_MAX_FINGERS - 1, 0 }, 1903 { ABS_MT_POSITION_X, 0, sc->elanhw.sizex, 1904 sc->elanhw.dpmmx }, 1905 { ABS_MT_POSITION_Y, 0, sc->elanhw.sizey, 1906 sc->elanhw.dpmmy }, 1907 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1908 { ABS_MT_TOUCH_MAJOR, 0, ELANTECH_FINGER_MAX_W * 1909 sc->elanhw.dptracex, 0 }, 1910 ABSINFO_END, 1911 }; 1912 struct evdev_dev *evdev_a; 1913 int error; 1914 1915 evdev_a = evdev_alloc(); 1916 evdev_set_name(evdev_a, PS2_MOUSE_ELANTECH_NAME); 1917 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1918 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1919 PS2_MOUSE_ELANTECH_PRODUCT, 0); 1920 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1921 1922 evdev_support_event(evdev_a, EV_SYN); 1923 evdev_support_event(evdev_a, EV_KEY); 1924 evdev_support_event(evdev_a, EV_ABS); 1925 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1926 if (sc->elanhw.issemimt) 1927 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1928 if (sc->elanhw.isclickpad) 1929 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1930 evdev_support_key(evdev_a, BTN_TOUCH); 1931 evdev_support_nfingers(evdev_a, ELANTECH_MAX_FINGERS); 1932 evdev_support_key(evdev_a, BTN_LEFT); 1933 if (!sc->elanhw.isclickpad) 1934 evdev_support_key(evdev_a, BTN_RIGHT); 1935 psm_support_abs_bulk(evdev_a, elantech_absinfo); 1936 1937 error = evdev_register_mtx(evdev_a, &Giant); 1938 if (!error && sc->elanhw.hastrackpoint) 1939 error = psm_register(dev, MOUSE_MODEL_ELANTECH); 1940 if (error) 1941 evdev_free(evdev_a); 1942 else 1943 sc->evdev_a = evdev_a; 1944 return (error); 1945 } 1946 #endif 1947 1948 static int 1949 psmattach(device_t dev) 1950 { 1951 struct make_dev_args mda; 1952 int unit = device_get_unit(dev); 1953 struct psm_softc *sc = device_get_softc(dev); 1954 int error; 1955 int rid; 1956 1957 /* Setup initial state */ 1958 sc->state = PSM_VALID; 1959 callout_init(&sc->callout, 0); 1960 callout_init(&sc->softcallout, 0); 1961 1962 /* Setup our interrupt handler */ 1963 rid = KBDC_RID_AUX; 1964 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1965 if (sc->intr == NULL) 1966 return (ENXIO); 1967 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1968 &sc->ih); 1969 if (error) 1970 goto out; 1971 1972 /* Done */ 1973 make_dev_args_init(&mda); 1974 mda.mda_devsw = &psm_cdevsw; 1975 mda.mda_mode = 0666; 1976 mda.mda_si_drv1 = sc; 1977 1978 if ((error = make_dev_s(&mda, &sc->dev, "psm%d", unit)) != 0) 1979 goto out; 1980 if ((error = make_dev_s(&mda, &sc->bdev, "bpsm%d", unit)) != 0) 1981 goto out; 1982 1983 #ifdef EVDEV_SUPPORT 1984 switch (sc->hw.model) { 1985 case MOUSE_MODEL_SYNAPTICS: 1986 error = psm_register_synaptics(dev); 1987 break; 1988 1989 case MOUSE_MODEL_ELANTECH: 1990 error = psm_register_elantech(dev); 1991 break; 1992 1993 default: 1994 error = psm_register(dev, sc->hw.model); 1995 } 1996 1997 if (error) 1998 goto out; 1999 #endif 2000 2001 /* Some touchpad devices need full reinitialization after suspend. */ 2002 switch (sc->hw.model) { 2003 case MOUSE_MODEL_SYNAPTICS: 2004 case MOUSE_MODEL_GLIDEPOINT: 2005 case MOUSE_MODEL_VERSAPAD: 2006 case MOUSE_MODEL_ELANTECH: 2007 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2008 break; 2009 default: 2010 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 2011 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2012 break; 2013 } 2014 2015 /* Elantech trackpad`s sync bit differs from touchpad`s one */ 2016 if (sc->hw.model == MOUSE_MODEL_ELANTECH && 2017 (sc->elanhw.hascrc || sc->elanhw.hastrackpoint)) { 2018 sc->config |= PSM_CONFIG_NOCHECKSYNC; 2019 sc->flags &= ~PSM_NEED_SYNCBITS; 2020 } 2021 2022 if (!verbose) 2023 printf("psm%d: model %s, device ID %d\n", 2024 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 2025 else { 2026 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 2027 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 2028 sc->hw.hwid >> 8, sc->hw.buttons); 2029 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 2030 unit, sc->config, sc->flags, sc->mode.packetsize); 2031 printf("psm%d: syncmask:%02x, syncbits:%02x%s\n", 2032 unit, sc->mode.syncmask[0], sc->mode.syncmask[1], 2033 sc->config & PSM_CONFIG_NOCHECKSYNC ? " (sync not checked)" : ""); 2034 } 2035 2036 if (bootverbose) 2037 --verbose; 2038 2039 out: 2040 if (error != 0) { 2041 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2042 if (sc->dev != NULL) 2043 destroy_dev(sc->dev); 2044 if (sc->bdev != NULL) 2045 destroy_dev(sc->bdev); 2046 } 2047 return (error); 2048 } 2049 2050 static int 2051 psmdetach(device_t dev) 2052 { 2053 struct psm_softc *sc; 2054 int rid; 2055 2056 sc = device_get_softc(dev); 2057 if (sc->state & PSM_OPEN) 2058 return (EBUSY); 2059 2060 #ifdef EVDEV_SUPPORT 2061 evdev_free(sc->evdev_r); 2062 evdev_free(sc->evdev_a); 2063 #endif 2064 2065 rid = KBDC_RID_AUX; 2066 bus_teardown_intr(dev, sc->intr, sc->ih); 2067 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2068 2069 destroy_dev(sc->dev); 2070 destroy_dev(sc->bdev); 2071 2072 callout_drain(&sc->callout); 2073 callout_drain(&sc->softcallout); 2074 2075 return (0); 2076 } 2077 2078 #ifdef EVDEV_SUPPORT 2079 static int 2080 psm_ev_open_r(struct evdev_dev *evdev) 2081 { 2082 struct psm_softc *sc = evdev_get_softc(evdev); 2083 int err = 0; 2084 2085 /* Get device data */ 2086 if ((sc->state & PSM_VALID) == 0) { 2087 /* the device is no longer valid/functioning */ 2088 return (ENXIO); 2089 } 2090 2091 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2092 err = psmopen(sc); 2093 2094 if (err == 0) 2095 sc->state |= PSM_EV_OPEN_R; 2096 2097 return (err); 2098 } 2099 2100 static int 2101 psm_ev_close_r(struct evdev_dev *evdev) 2102 { 2103 struct psm_softc *sc = evdev_get_softc(evdev); 2104 int err = 0; 2105 2106 sc->state &= ~PSM_EV_OPEN_R; 2107 2108 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2109 return (0); 2110 2111 if (sc->state & PSM_VALID) 2112 err = psmclose(sc); 2113 2114 return (err); 2115 } 2116 2117 static int 2118 psm_ev_open_a(struct evdev_dev *evdev) 2119 { 2120 struct psm_softc *sc = evdev_get_softc(evdev); 2121 int err = 0; 2122 2123 /* Get device data */ 2124 if ((sc->state & PSM_VALID) == 0) { 2125 /* the device is no longer valid/functioning */ 2126 return (ENXIO); 2127 } 2128 2129 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2130 err = psmopen(sc); 2131 2132 if (err == 0) 2133 sc->state |= PSM_EV_OPEN_A; 2134 2135 return (err); 2136 } 2137 2138 static int 2139 psm_ev_close_a(struct evdev_dev *evdev) 2140 { 2141 struct psm_softc *sc = evdev_get_softc(evdev); 2142 int err = 0; 2143 2144 sc->state &= ~PSM_EV_OPEN_A; 2145 2146 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2147 return (0); 2148 2149 if (sc->state & PSM_VALID) 2150 err = psmclose(sc); 2151 2152 return (err); 2153 } 2154 #endif 2155 2156 static int 2157 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2158 { 2159 struct psm_softc *sc; 2160 int err = 0; 2161 2162 /* Get device data */ 2163 sc = dev->si_drv1; 2164 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2165 /* the device is no longer valid/functioning */ 2166 return (ENXIO); 2167 } 2168 2169 /* Disallow multiple opens */ 2170 if (sc->state & PSM_OPEN) 2171 return (EBUSY); 2172 2173 device_busy(devclass_get_device(psm_devclass, sc->unit)); 2174 2175 #ifdef EVDEV_SUPPORT 2176 /* Already opened by evdev */ 2177 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2178 #endif 2179 err = psmopen(sc); 2180 2181 if (err == 0) 2182 sc->state |= PSM_OPEN; 2183 else 2184 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2185 2186 return (err); 2187 } 2188 2189 static int 2190 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2191 { 2192 struct psm_softc *sc; 2193 int err = 0; 2194 2195 /* Get device data */ 2196 sc = dev->si_drv1; 2197 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2198 /* the device is no longer valid/functioning */ 2199 return (ENXIO); 2200 } 2201 2202 #ifdef EVDEV_SUPPORT 2203 /* Still opened by evdev */ 2204 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2205 #endif 2206 err = psmclose(sc); 2207 2208 if (err == 0) { 2209 sc->state &= ~PSM_OPEN; 2210 /* clean up and sigio requests */ 2211 if (sc->async != NULL) { 2212 funsetown(&sc->async); 2213 sc->async = NULL; 2214 } 2215 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2216 } 2217 2218 return (err); 2219 } 2220 2221 static int 2222 psmopen(struct psm_softc *sc) 2223 { 2224 int command_byte; 2225 int err; 2226 int s; 2227 2228 /* Initialize state */ 2229 sc->mode.level = sc->dflt_mode.level; 2230 sc->mode.protocol = sc->dflt_mode.protocol; 2231 sc->watchdog = FALSE; 2232 sc->async = NULL; 2233 2234 /* flush the event queue */ 2235 sc->queue.count = 0; 2236 sc->queue.head = 0; 2237 sc->queue.tail = 0; 2238 sc->status.flags = 0; 2239 sc->status.button = 0; 2240 sc->status.obutton = 0; 2241 sc->status.dx = 0; 2242 sc->status.dy = 0; 2243 sc->status.dz = 0; 2244 sc->button = 0; 2245 sc->pqueue_start = 0; 2246 sc->pqueue_end = 0; 2247 2248 /* empty input buffer */ 2249 flushpackets(sc); 2250 sc->syncerrors = 0; 2251 sc->pkterrors = 0; 2252 2253 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2254 if (!kbdc_lock(sc->kbdc, TRUE)) 2255 return (EIO); 2256 2257 /* save the current controller command byte */ 2258 s = spltty(); 2259 command_byte = get_controller_command_byte(sc->kbdc); 2260 2261 /* enable the aux port and temporalily disable the keyboard */ 2262 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2263 kbdc_get_device_mask(sc->kbdc), 2264 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2265 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2266 /* CONTROLLER ERROR; do you know how to get out of this? */ 2267 kbdc_lock(sc->kbdc, FALSE); 2268 splx(s); 2269 log(LOG_ERR, 2270 "psm%d: unable to set the command byte (psmopen).\n", 2271 sc->unit); 2272 return (EIO); 2273 } 2274 /* 2275 * Now that the keyboard controller is told not to generate 2276 * the keyboard and mouse interrupts, call `splx()' to allow 2277 * the other tty interrupts. The clock interrupt may also occur, 2278 * but timeout routines will be blocked by the poll flag set 2279 * via `kbdc_lock()' 2280 */ 2281 splx(s); 2282 2283 /* enable the mouse device */ 2284 err = doopen(sc, command_byte); 2285 2286 /* done */ 2287 kbdc_lock(sc->kbdc, FALSE); 2288 return (err); 2289 } 2290 2291 static int 2292 psmclose(struct psm_softc *sc) 2293 { 2294 int stat[3]; 2295 int command_byte; 2296 int s; 2297 2298 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2299 if (!kbdc_lock(sc->kbdc, TRUE)) 2300 return (EIO); 2301 2302 /* save the current controller command byte */ 2303 s = spltty(); 2304 command_byte = get_controller_command_byte(sc->kbdc); 2305 if (command_byte == -1) { 2306 kbdc_lock(sc->kbdc, FALSE); 2307 splx(s); 2308 return (EIO); 2309 } 2310 2311 /* disable the aux interrupt and temporalily disable the keyboard */ 2312 if (!set_controller_command_byte(sc->kbdc, 2313 kbdc_get_device_mask(sc->kbdc), 2314 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2315 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2316 log(LOG_ERR, 2317 "psm%d: failed to disable the aux int (psmclose).\n", 2318 sc->unit); 2319 /* CONTROLLER ERROR; 2320 * NOTE: we shall force our way through. Because the only 2321 * ill effect we shall see is that we may not be able 2322 * to read ACK from the mouse, and it doesn't matter much 2323 * so long as the mouse will accept the DISABLE command. 2324 */ 2325 } 2326 splx(s); 2327 2328 /* stop the watchdog timer */ 2329 callout_stop(&sc->callout); 2330 2331 /* remove anything left in the output buffer */ 2332 empty_aux_buffer(sc->kbdc, 10); 2333 2334 /* disable the aux device, port and interrupt */ 2335 if (sc->state & PSM_VALID) { 2336 if (!disable_aux_dev(sc->kbdc)) { 2337 /* MOUSE ERROR; 2338 * NOTE: we don't return (error) and continue, 2339 * pretending we have successfully disabled the device. 2340 * It's OK because the interrupt routine will discard 2341 * any data from the mouse hereafter. 2342 */ 2343 log(LOG_ERR, 2344 "psm%d: failed to disable the device (psmclose).\n", 2345 sc->unit); 2346 } 2347 2348 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2349 log(LOG_DEBUG, 2350 "psm%d: failed to get status (psmclose).\n", 2351 sc->unit); 2352 } 2353 2354 if (!set_controller_command_byte(sc->kbdc, 2355 kbdc_get_device_mask(sc->kbdc), 2356 (command_byte & KBD_KBD_CONTROL_BITS) | 2357 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2358 /* 2359 * CONTROLLER ERROR; 2360 * we shall ignore this error; see the above comment. 2361 */ 2362 log(LOG_ERR, 2363 "psm%d: failed to disable the aux port (psmclose).\n", 2364 sc->unit); 2365 } 2366 2367 /* remove anything left in the output buffer */ 2368 empty_aux_buffer(sc->kbdc, 10); 2369 2370 /* close is almost always successful */ 2371 kbdc_lock(sc->kbdc, FALSE); 2372 return (0); 2373 } 2374 2375 static int 2376 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2377 u_char *buf) 2378 { 2379 static u_char butmapps2[8] = { 2380 0, 2381 MOUSE_PS2_BUTTON1DOWN, 2382 MOUSE_PS2_BUTTON2DOWN, 2383 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2384 MOUSE_PS2_BUTTON3DOWN, 2385 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2386 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2387 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2388 MOUSE_PS2_BUTTON3DOWN, 2389 }; 2390 static u_char butmapmsc[8] = { 2391 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2392 MOUSE_MSC_BUTTON3UP, 2393 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2394 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2395 MOUSE_MSC_BUTTON3UP, 2396 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2397 MOUSE_MSC_BUTTON2UP, 2398 MOUSE_MSC_BUTTON1UP, 2399 0, 2400 }; 2401 int mapped; 2402 int i; 2403 2404 if (sc->mode.level == PSM_LEVEL_BASE) { 2405 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2406 if (status->button & MOUSE_BUTTON4DOWN) 2407 mapped |= MOUSE_BUTTON1DOWN; 2408 status->button = mapped; 2409 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2410 i = imax(imin(status->dx, 255), -256); 2411 if (i < 0) 2412 buf[0] |= MOUSE_PS2_XNEG; 2413 buf[1] = i; 2414 i = imax(imin(status->dy, 255), -256); 2415 if (i < 0) 2416 buf[0] |= MOUSE_PS2_YNEG; 2417 buf[2] = i; 2418 return (MOUSE_PS2_PACKETSIZE); 2419 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2420 buf[0] = MOUSE_MSC_SYNC | 2421 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2422 i = imax(imin(status->dx, 255), -256); 2423 buf[1] = i >> 1; 2424 buf[3] = i - buf[1]; 2425 i = imax(imin(status->dy, 255), -256); 2426 buf[2] = i >> 1; 2427 buf[4] = i - buf[2]; 2428 i = imax(imin(status->dz, 127), -128); 2429 buf[5] = (i >> 1) & 0x7f; 2430 buf[6] = (i - (i >> 1)) & 0x7f; 2431 buf[7] = (~status->button >> 3) & 0x7f; 2432 return (MOUSE_SYS_PACKETSIZE); 2433 } 2434 return (pb->inputbytes); 2435 } 2436 2437 static int 2438 psmread(struct cdev *dev, struct uio *uio, int flag) 2439 { 2440 struct psm_softc *sc = dev->si_drv1; 2441 u_char buf[PSM_SMALLBUFSIZE]; 2442 int error = 0; 2443 int s; 2444 int l; 2445 2446 if ((sc->state & PSM_VALID) == 0) 2447 return (EIO); 2448 2449 /* block until mouse activity occurred */ 2450 s = spltty(); 2451 while (sc->queue.count <= 0) { 2452 if (dev != sc->bdev) { 2453 splx(s); 2454 return (EWOULDBLOCK); 2455 } 2456 sc->state |= PSM_ASLP; 2457 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2458 sc->state &= ~PSM_ASLP; 2459 if (error) { 2460 splx(s); 2461 return (error); 2462 } else if ((sc->state & PSM_VALID) == 0) { 2463 /* the device disappeared! */ 2464 splx(s); 2465 return (EIO); 2466 } 2467 } 2468 splx(s); 2469 2470 /* copy data to the user land */ 2471 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2472 s = spltty(); 2473 l = imin(sc->queue.count, uio->uio_resid); 2474 if (l > sizeof(buf)) 2475 l = sizeof(buf); 2476 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2477 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2478 sizeof(sc->queue.buf) - sc->queue.head); 2479 bcopy(&sc->queue.buf[0], 2480 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2481 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2482 } else 2483 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2484 sc->queue.count -= l; 2485 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2486 splx(s); 2487 error = uiomove(buf, l, uio); 2488 if (error) 2489 break; 2490 } 2491 2492 return (error); 2493 } 2494 2495 static int 2496 block_mouse_data(struct psm_softc *sc, int *c) 2497 { 2498 int s; 2499 2500 if (!kbdc_lock(sc->kbdc, TRUE)) 2501 return (EIO); 2502 2503 s = spltty(); 2504 *c = get_controller_command_byte(sc->kbdc); 2505 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2506 kbdc_get_device_mask(sc->kbdc), 2507 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2508 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2509 /* this is CONTROLLER ERROR */ 2510 splx(s); 2511 kbdc_lock(sc->kbdc, FALSE); 2512 return (EIO); 2513 } 2514 2515 /* 2516 * The device may be in the middle of status data transmission. 2517 * The transmission will be interrupted, thus, incomplete status 2518 * data must be discarded. Although the aux interrupt is disabled 2519 * at the keyboard controller level, at most one aux interrupt 2520 * may have already been pending and a data byte is in the 2521 * output buffer; throw it away. Note that the second argument 2522 * to `empty_aux_buffer()' is zero, so that the call will just 2523 * flush the internal queue. 2524 * `psmintr()' will be invoked after `splx()' if an interrupt is 2525 * pending; it will see no data and returns immediately. 2526 */ 2527 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2528 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2529 flushpackets(sc); 2530 splx(s); 2531 2532 return (0); 2533 } 2534 2535 static void 2536 dropqueue(struct psm_softc *sc) 2537 { 2538 2539 sc->queue.count = 0; 2540 sc->queue.head = 0; 2541 sc->queue.tail = 0; 2542 if ((sc->state & PSM_SOFTARMED) != 0) { 2543 sc->state &= ~PSM_SOFTARMED; 2544 callout_stop(&sc->softcallout); 2545 } 2546 sc->pqueue_start = sc->pqueue_end; 2547 } 2548 2549 static void 2550 flushpackets(struct psm_softc *sc) 2551 { 2552 2553 dropqueue(sc); 2554 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2555 } 2556 2557 static int 2558 unblock_mouse_data(struct psm_softc *sc, int c) 2559 { 2560 int error = 0; 2561 2562 /* 2563 * We may have seen a part of status data during `set_mouse_XXX()'. 2564 * they have been queued; flush it. 2565 */ 2566 empty_aux_buffer(sc->kbdc, 0); 2567 2568 /* restore ports and interrupt */ 2569 if (!set_controller_command_byte(sc->kbdc, 2570 kbdc_get_device_mask(sc->kbdc), 2571 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2572 /* 2573 * CONTROLLER ERROR; this is serious, we may have 2574 * been left with the inaccessible keyboard and 2575 * the disabled mouse interrupt. 2576 */ 2577 error = EIO; 2578 } 2579 2580 kbdc_lock(sc->kbdc, FALSE); 2581 return (error); 2582 } 2583 2584 static int 2585 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2586 { 2587 struct psm_softc *sc = dev->si_drv1; 2588 u_char buf[PSM_SMALLBUFSIZE]; 2589 int error = 0, i, l; 2590 2591 if ((sc->state & PSM_VALID) == 0) 2592 return (EIO); 2593 2594 if (sc->mode.level < PSM_LEVEL_NATIVE) 2595 return (ENODEV); 2596 2597 /* copy data from the user land */ 2598 while (uio->uio_resid > 0) { 2599 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2600 error = uiomove(buf, l, uio); 2601 if (error) 2602 break; 2603 for (i = 0; i < l; i++) { 2604 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 2605 if (!write_aux_command(sc->kbdc, buf[i])) { 2606 VLOG(2, (LOG_DEBUG, 2607 "psm: cmd 0x%x failed.\n", buf[i])); 2608 return (reinitialize(sc, FALSE)); 2609 } 2610 } 2611 } 2612 2613 return (error); 2614 } 2615 2616 static int 2617 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2618 struct thread *td) 2619 { 2620 struct psm_softc *sc = dev->si_drv1; 2621 mousemode_t mode; 2622 mousestatus_t status; 2623 mousedata_t *data; 2624 int stat[3]; 2625 int command_byte; 2626 int error = 0; 2627 int s; 2628 2629 /* Perform IOCTL command */ 2630 switch (cmd) { 2631 2632 case OLD_MOUSE_GETHWINFO: 2633 s = spltty(); 2634 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2635 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2636 ((old_mousehw_t *)addr)->type = sc->hw.type; 2637 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2638 splx(s); 2639 break; 2640 2641 case MOUSE_GETHWINFO: 2642 s = spltty(); 2643 *(mousehw_t *)addr = sc->hw; 2644 if (sc->mode.level == PSM_LEVEL_BASE) 2645 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2646 splx(s); 2647 break; 2648 2649 case MOUSE_SYN_GETHWINFO: 2650 s = spltty(); 2651 if (sc->synhw.infoMajor >= 4) 2652 *(synapticshw_t *)addr = sc->synhw; 2653 else 2654 error = EINVAL; 2655 splx(s); 2656 break; 2657 2658 case OLD_MOUSE_GETMODE: 2659 s = spltty(); 2660 switch (sc->mode.level) { 2661 case PSM_LEVEL_BASE: 2662 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2663 break; 2664 case PSM_LEVEL_STANDARD: 2665 ((old_mousemode_t *)addr)->protocol = 2666 MOUSE_PROTO_SYSMOUSE; 2667 break; 2668 case PSM_LEVEL_NATIVE: 2669 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2670 break; 2671 } 2672 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2673 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2674 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2675 splx(s); 2676 break; 2677 2678 case MOUSE_GETMODE: 2679 s = spltty(); 2680 *(mousemode_t *)addr = sc->mode; 2681 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2682 ((mousemode_t *)addr)->syncmask[0] = 0; 2683 ((mousemode_t *)addr)->syncmask[1] = 0; 2684 } 2685 ((mousemode_t *)addr)->resolution = 2686 MOUSE_RES_LOW - sc->mode.resolution; 2687 switch (sc->mode.level) { 2688 case PSM_LEVEL_BASE: 2689 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2690 ((mousemode_t *)addr)->packetsize = 2691 MOUSE_PS2_PACKETSIZE; 2692 break; 2693 case PSM_LEVEL_STANDARD: 2694 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2695 ((mousemode_t *)addr)->packetsize = 2696 MOUSE_SYS_PACKETSIZE; 2697 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2698 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2699 break; 2700 case PSM_LEVEL_NATIVE: 2701 /* FIXME: this isn't quite correct... XXX */ 2702 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2703 break; 2704 } 2705 splx(s); 2706 break; 2707 2708 case OLD_MOUSE_SETMODE: 2709 case MOUSE_SETMODE: 2710 if (cmd == OLD_MOUSE_SETMODE) { 2711 mode.rate = ((old_mousemode_t *)addr)->rate; 2712 /* 2713 * resolution old I/F new I/F 2714 * default 0 0 2715 * low 1 -2 2716 * medium low 2 -3 2717 * medium high 3 -4 2718 * high 4 -5 2719 */ 2720 if (((old_mousemode_t *)addr)->resolution > 0) 2721 mode.resolution = 2722 -((old_mousemode_t *)addr)->resolution - 1; 2723 else 2724 mode.resolution = 0; 2725 mode.accelfactor = 2726 ((old_mousemode_t *)addr)->accelfactor; 2727 mode.level = -1; 2728 } else 2729 mode = *(mousemode_t *)addr; 2730 2731 /* adjust and validate parameters. */ 2732 if (mode.rate > UCHAR_MAX) 2733 return (EINVAL); 2734 if (mode.rate == 0) 2735 mode.rate = sc->dflt_mode.rate; 2736 else if (mode.rate == -1) 2737 /* don't change the current setting */ 2738 ; 2739 else if (mode.rate < 0) 2740 return (EINVAL); 2741 if (mode.resolution >= UCHAR_MAX) 2742 return (EINVAL); 2743 if (mode.resolution >= 200) 2744 mode.resolution = MOUSE_RES_HIGH; 2745 else if (mode.resolution >= 100) 2746 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2747 else if (mode.resolution >= 50) 2748 mode.resolution = MOUSE_RES_MEDIUMLOW; 2749 else if (mode.resolution > 0) 2750 mode.resolution = MOUSE_RES_LOW; 2751 if (mode.resolution == MOUSE_RES_DEFAULT) 2752 mode.resolution = sc->dflt_mode.resolution; 2753 else if (mode.resolution == -1) 2754 /* don't change the current setting */ 2755 ; 2756 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2757 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2758 if (mode.level == -1) 2759 /* don't change the current setting */ 2760 mode.level = sc->mode.level; 2761 else if ((mode.level < PSM_LEVEL_MIN) || 2762 (mode.level > PSM_LEVEL_MAX)) 2763 return (EINVAL); 2764 if (mode.accelfactor == -1) 2765 /* don't change the current setting */ 2766 mode.accelfactor = sc->mode.accelfactor; 2767 else if (mode.accelfactor < 0) 2768 return (EINVAL); 2769 2770 /* don't allow anybody to poll the keyboard controller */ 2771 error = block_mouse_data(sc, &command_byte); 2772 if (error) 2773 return (error); 2774 2775 /* set mouse parameters */ 2776 if (mode.rate > 0) 2777 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2778 mode.rate); 2779 if (mode.resolution >= 0) 2780 mode.resolution = 2781 set_mouse_resolution(sc->kbdc, mode.resolution); 2782 set_mouse_scaling(sc->kbdc, 1); 2783 get_mouse_status(sc->kbdc, stat, 0, 3); 2784 2785 s = spltty(); 2786 sc->mode.rate = mode.rate; 2787 sc->mode.resolution = mode.resolution; 2788 sc->mode.accelfactor = mode.accelfactor; 2789 sc->mode.level = mode.level; 2790 splx(s); 2791 2792 unblock_mouse_data(sc, command_byte); 2793 break; 2794 2795 case MOUSE_GETLEVEL: 2796 *(int *)addr = sc->mode.level; 2797 break; 2798 2799 case MOUSE_SETLEVEL: 2800 if ((*(int *)addr < PSM_LEVEL_MIN) || 2801 (*(int *)addr > PSM_LEVEL_MAX)) 2802 return (EINVAL); 2803 sc->mode.level = *(int *)addr; 2804 break; 2805 2806 case MOUSE_GETSTATUS: 2807 s = spltty(); 2808 status = sc->status; 2809 sc->status.flags = 0; 2810 sc->status.obutton = sc->status.button; 2811 sc->status.button = 0; 2812 sc->status.dx = 0; 2813 sc->status.dy = 0; 2814 sc->status.dz = 0; 2815 splx(s); 2816 *(mousestatus_t *)addr = status; 2817 break; 2818 2819 case MOUSE_READSTATE: 2820 case MOUSE_READDATA: 2821 data = (mousedata_t *)addr; 2822 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2823 return (EINVAL); 2824 2825 error = block_mouse_data(sc, &command_byte); 2826 if (error) 2827 return (error); 2828 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2829 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2830 error = EIO; 2831 unblock_mouse_data(sc, command_byte); 2832 break; 2833 2834 #if (defined(MOUSE_SETRESOLUTION)) 2835 case MOUSE_SETRESOLUTION: 2836 mode.resolution = *(int *)addr; 2837 if (mode.resolution >= UCHAR_MAX) 2838 return (EINVAL); 2839 else if (mode.resolution >= 200) 2840 mode.resolution = MOUSE_RES_HIGH; 2841 else if (mode.resolution >= 100) 2842 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2843 else if (mode.resolution >= 50) 2844 mode.resolution = MOUSE_RES_MEDIUMLOW; 2845 else if (mode.resolution > 0) 2846 mode.resolution = MOUSE_RES_LOW; 2847 if (mode.resolution == MOUSE_RES_DEFAULT) 2848 mode.resolution = sc->dflt_mode.resolution; 2849 else if (mode.resolution == -1) 2850 mode.resolution = sc->mode.resolution; 2851 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2852 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2853 2854 error = block_mouse_data(sc, &command_byte); 2855 if (error) 2856 return (error); 2857 sc->mode.resolution = 2858 set_mouse_resolution(sc->kbdc, mode.resolution); 2859 if (sc->mode.resolution != mode.resolution) 2860 error = EIO; 2861 unblock_mouse_data(sc, command_byte); 2862 break; 2863 #endif /* MOUSE_SETRESOLUTION */ 2864 2865 #if (defined(MOUSE_SETRATE)) 2866 case MOUSE_SETRATE: 2867 mode.rate = *(int *)addr; 2868 if (mode.rate > UCHAR_MAX) 2869 return (EINVAL); 2870 if (mode.rate == 0) 2871 mode.rate = sc->dflt_mode.rate; 2872 else if (mode.rate < 0) 2873 mode.rate = sc->mode.rate; 2874 2875 error = block_mouse_data(sc, &command_byte); 2876 if (error) 2877 return (error); 2878 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2879 if (sc->mode.rate != mode.rate) 2880 error = EIO; 2881 unblock_mouse_data(sc, command_byte); 2882 break; 2883 #endif /* MOUSE_SETRATE */ 2884 2885 #if (defined(MOUSE_SETSCALING)) 2886 case MOUSE_SETSCALING: 2887 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2888 return (EINVAL); 2889 2890 error = block_mouse_data(sc, &command_byte); 2891 if (error) 2892 return (error); 2893 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2894 error = EIO; 2895 unblock_mouse_data(sc, command_byte); 2896 break; 2897 #endif /* MOUSE_SETSCALING */ 2898 2899 #if (defined(MOUSE_GETHWID)) 2900 case MOUSE_GETHWID: 2901 error = block_mouse_data(sc, &command_byte); 2902 if (error) 2903 return (error); 2904 sc->hw.hwid &= ~0x00ff; 2905 sc->hw.hwid |= get_aux_id(sc->kbdc); 2906 *(int *)addr = sc->hw.hwid & 0x00ff; 2907 unblock_mouse_data(sc, command_byte); 2908 break; 2909 #endif /* MOUSE_GETHWID */ 2910 2911 case FIONBIO: 2912 case FIOASYNC: 2913 break; 2914 case FIOSETOWN: 2915 error = fsetown(*(int *)addr, &sc->async); 2916 break; 2917 case FIOGETOWN: 2918 *(int *) addr = fgetown(&sc->async); 2919 break; 2920 default: 2921 return (ENOTTY); 2922 } 2923 2924 return (error); 2925 } 2926 2927 static void 2928 psmtimeout(void *arg) 2929 { 2930 struct psm_softc *sc; 2931 int s; 2932 2933 sc = (struct psm_softc *)arg; 2934 s = spltty(); 2935 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2936 VLOG(6, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2937 psmintr(sc); 2938 kbdc_lock(sc->kbdc, FALSE); 2939 } 2940 sc->watchdog = TRUE; 2941 splx(s); 2942 callout_reset(&sc->callout, hz, psmtimeout, sc); 2943 } 2944 2945 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2946 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2947 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "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 static void 2991 psmintr(void *arg) 2992 { 2993 struct psm_softc *sc = arg; 2994 struct timeval now; 2995 int c; 2996 packetbuf_t *pb; 2997 2998 if (aux_mux_is_enabled(sc->kbdc)) 2999 VLOG(2, (LOG_DEBUG, "psmintr: active multiplexing mode is not " 3000 "supported!\n")); 3001 3002 /* read until there is nothing to read */ 3003 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 3004 pb = &sc->pqueue[sc->pqueue_end]; 3005 3006 /* discard the byte if the device is not open */ 3007 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 3008 continue; 3009 3010 getmicrouptime(&now); 3011 if ((pb->inputbytes > 0) && 3012 timevalcmp(&now, &sc->inputtimeout, >)) { 3013 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 3014 "resetting byte count\n")); 3015 pb->inputbytes = 0; 3016 sc->syncerrors = 0; 3017 sc->pkterrors = 0; 3018 } 3019 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 3020 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 3021 timevaladd(&sc->inputtimeout, &now); 3022 3023 pb->ipacket[pb->inputbytes++] = c; 3024 3025 if (sc->mode.level == PSM_LEVEL_NATIVE) { 3026 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 3027 sc->syncerrors = 0; 3028 sc->pkterrors = 0; 3029 goto next; 3030 } else { 3031 if (pb->inputbytes < sc->mode.packetsize) 3032 continue; 3033 3034 VLOG(4, (LOG_DEBUG, 3035 "psmintr: %02x %02x %02x %02x %02x %02x\n", 3036 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3037 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3038 } 3039 3040 c = pb->ipacket[0]; 3041 3042 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 3043 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 3044 sc->flags &= ~PSM_NEED_SYNCBITS; 3045 VLOG(2, (LOG_DEBUG, 3046 "psmintr: Sync bytes now %04x,%04x\n", 3047 sc->mode.syncmask[0], sc->mode.syncmask[1])); 3048 } else if ((sc->config & PSM_CONFIG_NOCHECKSYNC) == 0 && 3049 (c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 3050 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 3051 "(%04x != %04x) %d cmds since last error.\n", 3052 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 3053 sc->cmdcount - sc->lasterr)); 3054 sc->lasterr = sc->cmdcount; 3055 /* 3056 * The sync byte test is a weak measure of packet 3057 * validity. Conservatively discard any input yet 3058 * to be seen by userland when we detect a sync 3059 * error since there is a good chance some of 3060 * the queued packets have undetected errors. 3061 */ 3062 dropqueue(sc); 3063 if (sc->syncerrors == 0) 3064 sc->pkterrors++; 3065 ++sc->syncerrors; 3066 sc->lastinputerr = now; 3067 if (sc->syncerrors >= sc->mode.packetsize * 2 || 3068 sc->pkterrors >= pkterrthresh) { 3069 /* 3070 * If we've failed to find a single sync byte 3071 * in 2 packets worth of data, or we've seen 3072 * persistent packet errors during the 3073 * validation period, reinitialize the mouse 3074 * in hopes of returning it to the expected 3075 * mode. 3076 */ 3077 VLOG(3, (LOG_DEBUG, 3078 "psmintr: reset the mouse.\n")); 3079 reinitialize(sc, TRUE); 3080 } else if (sc->syncerrors == sc->mode.packetsize) { 3081 /* 3082 * Try a soft reset after searching for a sync 3083 * byte through a packet length of bytes. 3084 */ 3085 VLOG(3, (LOG_DEBUG, 3086 "psmintr: re-enable the mouse.\n")); 3087 pb->inputbytes = 0; 3088 disable_aux_dev(sc->kbdc); 3089 enable_aux_dev(sc->kbdc); 3090 } else { 3091 VLOG(3, (LOG_DEBUG, 3092 "psmintr: discard a byte (%d)\n", 3093 sc->syncerrors)); 3094 pb->inputbytes--; 3095 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3096 pb->inputbytes); 3097 } 3098 continue; 3099 } 3100 3101 /* 3102 * We have what appears to be a valid packet. 3103 * Reset the error counters. 3104 */ 3105 sc->syncerrors = 0; 3106 3107 /* 3108 * Drop even good packets if they occur within a timeout 3109 * period of a sync error. This allows the detection of 3110 * a change in the mouse's packet mode without exposing 3111 * erratic mouse behavior to the user. Some KVMs forget 3112 * enhanced mouse modes during switch events. 3113 */ 3114 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3115 &now)) { 3116 pb->inputbytes = 0; 3117 continue; 3118 } 3119 3120 /* 3121 * Now that we're out of the validation period, reset 3122 * the packet error count. 3123 */ 3124 sc->pkterrors = 0; 3125 3126 sc->cmdcount++; 3127 next: 3128 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3129 sc->pqueue_end = 0; 3130 /* 3131 * If we've filled the queue then call the softintr ourselves, 3132 * otherwise schedule the interrupt for later. 3133 */ 3134 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3135 (sc->pqueue_end == sc->pqueue_start)) { 3136 if ((sc->state & PSM_SOFTARMED) != 0) { 3137 sc->state &= ~PSM_SOFTARMED; 3138 callout_stop(&sc->softcallout); 3139 } 3140 psmsoftintr(arg); 3141 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3142 sc->state |= PSM_SOFTARMED; 3143 callout_reset(&sc->softcallout, 3144 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3145 } 3146 } 3147 } 3148 3149 static void 3150 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3151 int *x, int *y, int *z) 3152 { 3153 3154 /* 3155 * PS2++ protocol packet 3156 * 3157 * b7 b6 b5 b4 b3 b2 b1 b0 3158 * byte 1: * 1 p3 p2 1 * * * 3159 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3160 * 3161 * p3-p0: packet type 3162 * c1, c2: c1 & c2 == 1, if p2 == 0 3163 * c1 & c2 == 0, if p2 == 1 3164 * 3165 * packet type: 0 (device type) 3166 * See comments in enable_mmanplus() below. 3167 * 3168 * packet type: 1 (wheel data) 3169 * 3170 * b7 b6 b5 b4 b3 b2 b1 b0 3171 * byte 3: h * B5 B4 s d2 d1 d0 3172 * 3173 * h: 1, if horizontal roller data 3174 * 0, if vertical roller data 3175 * B4, B5: button 4 and 5 3176 * s: sign bit 3177 * d2-d0: roller data 3178 * 3179 * packet type: 2 (reserved) 3180 */ 3181 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3182 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3183 /* 3184 * the extended data packet encodes button 3185 * and wheel events 3186 */ 3187 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3188 case 1: 3189 /* wheel data packet */ 3190 *x = *y = 0; 3191 if (pb->ipacket[2] & 0x80) { 3192 /* XXX horizontal roller count - ignore it */ 3193 ; 3194 } else { 3195 /* vertical roller count */ 3196 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3197 (pb->ipacket[2] & 0x0f) - 16 : 3198 (pb->ipacket[2] & 0x0f); 3199 } 3200 ms->button |= (pb->ipacket[2] & 3201 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3202 MOUSE_BUTTON4DOWN : 0; 3203 ms->button |= (pb->ipacket[2] & 3204 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3205 MOUSE_BUTTON5DOWN : 0; 3206 break; 3207 case 2: 3208 /* 3209 * this packet type is reserved by 3210 * Logitech... 3211 */ 3212 /* 3213 * IBM ScrollPoint Mouse uses this 3214 * packet type to encode both vertical 3215 * and horizontal scroll movement. 3216 */ 3217 *x = *y = 0; 3218 /* horizontal count */ 3219 if (pb->ipacket[2] & 0x0f) 3220 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3221 -2 : 2; 3222 /* vertical count */ 3223 if (pb->ipacket[2] & 0xf0) 3224 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3225 -1 : 1; 3226 break; 3227 case 0: 3228 /* device type packet - shouldn't happen */ 3229 /* FALLTHROUGH */ 3230 default: 3231 *x = *y = 0; 3232 ms->button = ms->obutton; 3233 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3234 "type %d: 0x%02x 0x%02x 0x%02x\n", 3235 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3236 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3237 break; 3238 } 3239 } else { 3240 /* preserve button states */ 3241 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3242 } 3243 } 3244 3245 static int 3246 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3247 int *x, int *y, int *z) 3248 { 3249 static int touchpad_buttons; 3250 static int guest_buttons; 3251 static int ew_finger_count; 3252 static finger_t f[PSM_FINGERS]; 3253 int w, id, nfingers, palm, ewcode, extended_buttons, clickpad_pressed; 3254 3255 extended_buttons = 0; 3256 3257 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3258 * 3259 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3260 * ------------------------------------------------ 3261 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3262 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3263 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3264 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3265 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3266 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3267 * 3268 * Legend: 3269 * L: left physical mouse button 3270 * R: right physical mouse button 3271 * D: down button 3272 * U: up button 3273 * W: "wrist" value 3274 * X: x position 3275 * Y: y position 3276 * Z: pressure 3277 * 3278 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3279 * 3280 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3281 * ------------------------------------------------------ 3282 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3283 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3284 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3285 * 3286 * Legend: 3287 * M: Middle physical mouse button 3288 * E: Extended mouse buttons reported instead of low bits of X and Y 3289 * b1-b8: Extended mouse buttons 3290 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3291 * 4 and 5, for reading X and Y value they should be zeroed. 3292 * 3293 * Absolute reportable limits: 0 - 6143. 3294 * Typical bezel limits: 1472 - 5472. 3295 * Typical edge marings: 1632 - 5312. 3296 * 3297 * w = 3 Passthrough Packet 3298 * 3299 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3300 */ 3301 3302 if (!synaptics_support) 3303 return (0); 3304 3305 /* Sanity check for out of sync packets. */ 3306 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3307 (pb->ipacket[3] & 0xc8) != 0xc0) 3308 return (-1); 3309 3310 *x = *y = 0; 3311 ms->button = ms->obutton; 3312 3313 /* 3314 * Pressure value. 3315 * Interpretation: 3316 * z = 0 No finger contact 3317 * z = 10 Finger hovering near the pad 3318 * z = 30 Very light finger contact 3319 * z = 80 Normal finger contact 3320 * z = 110 Very heavy finger contact 3321 * z = 200 Finger lying flat on pad surface 3322 * z = 255 Maximum reportable Z 3323 */ 3324 *z = pb->ipacket[2]; 3325 3326 /* 3327 * Finger width value 3328 * Interpretation: 3329 * w = 0 Two finger on the pad (capMultiFinger needed) 3330 * w = 1 Three or more fingers (capMultiFinger needed) 3331 * w = 2 Pen (instead of finger) (capPen needed) 3332 * w = 3 Reserved (passthrough?) 3333 * w = 4-7 Finger of normal width (capPalmDetect needed) 3334 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3335 * w = 15 Maximum reportable width (capPalmDetect needed) 3336 */ 3337 /* XXX Is checking capExtended enough? */ 3338 if (sc->synhw.capExtended) 3339 w = ((pb->ipacket[0] & 0x30) >> 2) | 3340 ((pb->ipacket[0] & 0x04) >> 1) | 3341 ((pb->ipacket[3] & 0x04) >> 2); 3342 else { 3343 /* Assume a finger of regular width. */ 3344 w = 4; 3345 } 3346 3347 switch (w) { 3348 case 3: 3349 /* 3350 * Handle packets from the guest device. See: 3351 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3352 */ 3353 if (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX) { 3354 *x = ((pb->ipacket[1] & 0x10) ? 3355 pb->ipacket[4] - 256 : pb->ipacket[4]); 3356 *y = ((pb->ipacket[1] & 0x20) ? 3357 pb->ipacket[5] - 256 : pb->ipacket[5]); 3358 *z = 0; 3359 3360 guest_buttons = 0; 3361 if (pb->ipacket[1] & 0x01) 3362 guest_buttons |= MOUSE_BUTTON1DOWN; 3363 if (pb->ipacket[1] & 0x04) 3364 guest_buttons |= MOUSE_BUTTON2DOWN; 3365 if (pb->ipacket[1] & 0x02) 3366 guest_buttons |= MOUSE_BUTTON3DOWN; 3367 #ifdef EVDEV_SUPPORT 3368 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3369 evdev_push_rel(sc->evdev_r, REL_X, *x); 3370 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3371 evdev_push_mouse_btn(sc->evdev_r, 3372 guest_buttons); 3373 evdev_sync(sc->evdev_r); 3374 } 3375 #endif 3376 ms->button = touchpad_buttons | guest_buttons | 3377 sc->extended_buttons; 3378 } 3379 goto SYNAPTICS_END; 3380 3381 case 2: 3382 /* Handle Extended W mode packets */ 3383 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3384 #if PSM_FINGERS > 1 3385 switch (ewcode) { 3386 case 1: 3387 /* Secondary finger */ 3388 if (sc->synhw.capAdvancedGestures) 3389 f[1] = (finger_t) { 3390 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3391 pb->ipacket[1]) << 1, 3392 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3393 pb->ipacket[2]) << 1, 3394 .p = ((pb->ipacket[3] & 0x30) | 3395 (pb->ipacket[5] & 0x0f)) << 1, 3396 .w = PSM_FINGER_DEFAULT_W, 3397 .flags = PSM_FINGER_FUZZY, 3398 }; 3399 else if (sc->synhw.capReportsV) 3400 f[1] = (finger_t) { 3401 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3402 (pb->ipacket[1] & 0xfe)) << 1, 3403 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3404 (pb->ipacket[2] & 0xfe)) << 1, 3405 .p = ((pb->ipacket[3] & 0x30) | 3406 (pb->ipacket[5] & 0x0e)) << 1, 3407 .w = (((pb->ipacket[5] & 0x01) << 2) | 3408 ((pb->ipacket[2] & 0x01) << 1) | 3409 (pb->ipacket[1] & 0x01)) + 8, 3410 .flags = PSM_FINGER_FUZZY, 3411 }; 3412 break; 3413 case 2: 3414 ew_finger_count = pb->ipacket[1] & 0x0f; 3415 default: 3416 break; 3417 } 3418 #endif 3419 goto SYNAPTICS_END; 3420 3421 case 1: 3422 if (sc->synhw.capReportsV && ew_finger_count > 3) { 3423 nfingers = ew_finger_count; 3424 break; 3425 } 3426 /* FALLTHROUGH */ 3427 case 0: 3428 nfingers = w + 2; 3429 break; 3430 3431 default: 3432 nfingers = 1; 3433 } 3434 3435 if (sc->syninfo.touchpad_off) 3436 goto SYNAPTICS_END; 3437 3438 /* Button presses */ 3439 touchpad_buttons = 0; 3440 if (pb->ipacket[0] & 0x01) 3441 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3442 if (pb->ipacket[0] & 0x02) 3443 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3444 3445 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3446 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3447 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3448 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3449 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3450 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3451 !sc->synhw.capClickPad) { 3452 /* Middle Button */ 3453 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3454 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3455 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3456 /* Extended Buttons */ 3457 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3458 if (sc->syninfo.directional_scrolls) { 3459 if (pb->ipacket[4] & 0x01) 3460 extended_buttons |= MOUSE_BUTTON4DOWN; 3461 if (pb->ipacket[5] & 0x01) 3462 extended_buttons |= MOUSE_BUTTON5DOWN; 3463 if (pb->ipacket[4] & 0x02) 3464 extended_buttons |= MOUSE_BUTTON6DOWN; 3465 if (pb->ipacket[5] & 0x02) 3466 extended_buttons |= MOUSE_BUTTON7DOWN; 3467 } else { 3468 if (pb->ipacket[4] & 0x01) 3469 extended_buttons |= MOUSE_BUTTON1DOWN; 3470 if (pb->ipacket[5] & 0x01) 3471 extended_buttons |= MOUSE_BUTTON3DOWN; 3472 if (pb->ipacket[4] & 0x02) 3473 extended_buttons |= MOUSE_BUTTON2DOWN; 3474 sc->extended_buttons = extended_buttons; 3475 } 3476 3477 /* 3478 * Zero out bits used by extended buttons to avoid 3479 * misinterpretation of the data absolute position. 3480 * 3481 * The bits represented by 3482 * 3483 * (nExtendedButtons + 1) >> 1 3484 * 3485 * will be masked out in both bytes. 3486 * The mask for n bits is computed with the formula 3487 * 3488 * (1 << n) - 1 3489 */ 3490 int maskedbits = 0; 3491 int mask = 0; 3492 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3493 mask = (1 << maskedbits) - 1; 3494 #ifdef EVDEV_SUPPORT 3495 int i; 3496 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3497 if (sc->synhw.capPassthrough) { 3498 evdev_push_mouse_btn(sc->evdev_r, 3499 extended_buttons); 3500 evdev_sync(sc->evdev_r); 3501 } 3502 for (i = 0; i < maskedbits; i++) { 3503 evdev_push_key(sc->evdev_a, 3504 BTN_0 + i * 2, 3505 pb->ipacket[4] & (1 << i)); 3506 evdev_push_key(sc->evdev_a, 3507 BTN_0 + i * 2 + 1, 3508 pb->ipacket[5] & (1 << i)); 3509 } 3510 } 3511 #endif 3512 pb->ipacket[4] &= ~(mask); 3513 pb->ipacket[5] &= ~(mask); 3514 } else if (!sc->syninfo.directional_scrolls && 3515 !sc->gesture.in_vscroll) { 3516 /* 3517 * Keep reporting MOUSE DOWN until we get a new packet 3518 * indicating otherwise. 3519 */ 3520 extended_buttons |= sc->extended_buttons; 3521 } 3522 } 3523 3524 if (sc->synhw.capReportsV && nfingers > 1) 3525 f[0] = (finger_t) { 3526 .x = ((pb->ipacket[3] & 0x10) << 8) | 3527 ((pb->ipacket[1] & 0x0f) << 8) | 3528 (pb->ipacket[4] & 0xfd), 3529 .y = ((pb->ipacket[3] & 0x20) << 7) | 3530 ((pb->ipacket[1] & 0xf0) << 4) | 3531 (pb->ipacket[5] & 0xfd), 3532 .p = *z & 0xfe, 3533 .w = (((pb->ipacket[2] & 0x01) << 2) | 3534 (pb->ipacket[5] & 0x02) | 3535 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3536 .flags = PSM_FINGER_FUZZY, 3537 }; 3538 else 3539 f[0] = (finger_t) { 3540 .x = ((pb->ipacket[3] & 0x10) << 8) | 3541 ((pb->ipacket[1] & 0x0f) << 8) | 3542 pb->ipacket[4], 3543 .y = ((pb->ipacket[3] & 0x20) << 7) | 3544 ((pb->ipacket[1] & 0xf0) << 4) | 3545 pb->ipacket[5], 3546 .p = *z, 3547 .w = w, 3548 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3549 }; 3550 3551 /* Ignore hovering and unmeasurable touches */ 3552 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3553 nfingers = 0; 3554 3555 /* Handle ClickPad */ 3556 if (sc->synhw.capClickPad) { 3557 clickpad_pressed = (pb->ipacket[0] ^ pb->ipacket[3]) & 0x01; 3558 if (sc->synhw.forcePad) { 3559 /* 3560 * Forcepads erroneously report button click if there 3561 * are 2 or more fingers on the touchpad breaking 3562 * multifinger gestures. To workaround this start 3563 * reporting a click only after 4 consecutive single 3564 * touch packets has been received. 3565 * Skip these packets in case more contacts appear. 3566 */ 3567 switch (nfingers) { 3568 case 0: 3569 sc->fpcount = 0; 3570 break; 3571 case 1: 3572 if (clickpad_pressed && sc->fpcount < INT_MAX) 3573 ++sc->fpcount; 3574 /* FALLTHROUGH */ 3575 default: 3576 if (!clickpad_pressed) 3577 sc->fpcount = 0; 3578 if (sc->fpcount >= sc->syninfo.window_min) 3579 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3580 } 3581 } else if (clickpad_pressed) 3582 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3583 } 3584 3585 for (id = 0; id < PSM_FINGERS; id++) 3586 if (id >= nfingers) 3587 PSM_FINGER_RESET(f[id]); 3588 3589 #ifdef EVDEV_SUPPORT 3590 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3591 for (id = 0; id < PSM_FINGERS; id++) { 3592 if (PSM_FINGER_IS_SET(f[id])) 3593 psm_push_mt_finger(sc, id, &f[id]); 3594 else 3595 psm_release_mt_slot(sc->evdev_a, id); 3596 } 3597 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3598 evdev_push_nfingers(sc->evdev_a, nfingers); 3599 if (nfingers > 0) 3600 psm_push_st_finger(sc, &f[0]); 3601 else 3602 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3603 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3604 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3605 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3606 touchpad_buttons & MOUSE_BUTTON4DOWN); 3607 evdev_push_key(sc->evdev_a, BTN_BACK, 3608 touchpad_buttons & MOUSE_BUTTON5DOWN); 3609 } 3610 evdev_sync(sc->evdev_a); 3611 } 3612 #endif 3613 3614 ms->button = touchpad_buttons; 3615 3616 palm = psmpalmdetect(sc, &f[0], nfingers); 3617 3618 /* Palm detection doesn't terminate the current action. */ 3619 if (!palm) 3620 psmgestures(sc, &f[0], nfingers, ms); 3621 3622 for (id = 0; id < PSM_FINGERS; id++) 3623 psmsmoother(sc, &f[id], id, ms, x, y); 3624 3625 if (palm) { 3626 *x = *y = *z = 0; 3627 ms->button = ms->obutton; 3628 return (0); 3629 } 3630 3631 ms->button |= extended_buttons | guest_buttons; 3632 3633 SYNAPTICS_END: 3634 /* 3635 * Use the extra buttons as a scrollwheel 3636 * 3637 * XXX X.Org uses the Z axis for vertical wheel only, 3638 * whereas moused(8) understands special values to differ 3639 * vertical and horizontal wheels. 3640 * 3641 * xf86-input-mouse needs therefore a small patch to 3642 * understand these special values. Without it, the 3643 * horizontal wheel acts as a vertical wheel in X.Org. 3644 * 3645 * That's why the horizontal wheel is disabled by 3646 * default for now. 3647 */ 3648 if (ms->button & MOUSE_BUTTON4DOWN) 3649 *z = -1; 3650 else if (ms->button & MOUSE_BUTTON5DOWN) 3651 *z = 1; 3652 else if (ms->button & MOUSE_BUTTON6DOWN) 3653 *z = -2; 3654 else if (ms->button & MOUSE_BUTTON7DOWN) 3655 *z = 2; 3656 else 3657 *z = 0; 3658 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3659 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3660 3661 return (0); 3662 } 3663 3664 static int 3665 proc_synaptics_mux(struct psm_softc *sc, packetbuf_t *pb) 3666 { 3667 int butt; 3668 3669 /* 3670 * Convert 3-byte interleaved mixture of Synaptics and generic mouse 3671 * packets into plain 6-byte Synaptics packet protocol. 3672 * While in hidden multiplexing mode KBC does some editing of the 3673 * packet stream. It remembers the button bits from the last packet 3674 * received from each device, and replaces the button bits of every 3675 * packet with the logical OR of all devices’ most recent button bits. 3676 * This button crosstalk should be filtered out as Synaptics and 3677 * generic mouse encode middle button presses in a different way. 3678 */ 3679 switch (pb->ipacket[0] & 0xc0) { 3680 case 0x80: /* First 3 bytes of Synaptics packet */ 3681 bcopy(pb->ipacket, sc->muxsave, 3); 3682 /* Compute middle mouse button supression timeout. */ 3683 sc->muxmidtimeout.tv_sec = 0; 3684 sc->muxmidtimeout.tv_usec = 50000; /* ~2-3 ints */ 3685 timevaladd(&sc->muxmidtimeout, &sc->lastsoftintr); 3686 return (1); 3687 3688 case 0xc0: /* Second 3 bytes of Synaptics packet */ 3689 /* Join two 3-bytes absolute packets */ 3690 bcopy(pb->ipacket, pb->ipacket + 3, 3); 3691 bcopy(sc->muxsave, pb->ipacket, 3); 3692 /* Prefer trackpoint buttons over touchpad's */ 3693 pb->ipacket[0] &= ~(0x08 | sc->muxmsbuttons); 3694 pb->ipacket[3] &= ~(0x08 | sc->muxmsbuttons); 3695 butt = (pb->ipacket[3] & 0x03) << 2 | (pb->ipacket[0] & 0x03); 3696 /* Add hysteresis to remove spurious middle button events */ 3697 if (butt != sc->muxtpbuttons && sc->fpcount < 1) { 3698 pb->ipacket[0] &= 0xfc; 3699 pb->ipacket[0] |= sc->muxtpbuttons & 0x03; 3700 pb->ipacket[3] &= 0xfc; 3701 pb->ipacket[3] |= sc->muxtpbuttons >> 2 & 0x03; 3702 ++sc->fpcount; 3703 } else { 3704 sc->fpcount = 0; 3705 sc->muxtpbuttons = butt; 3706 } 3707 /* Filter out impossible w induced by middle trackpoint btn */ 3708 if (sc->synhw.capExtended && !sc->synhw.capPassthrough && 3709 (pb->ipacket[0] & 0x34) == 0x04 && 3710 (pb->ipacket[3] & 0x04) == 0x04) { 3711 pb->ipacket[0] &= 0xfb; 3712 pb->ipacket[3] &= 0xfb; 3713 } 3714 sc->muxsave[0] &= 0x30; 3715 break; 3716 3717 default: /* Generic mouse (Trackpoint) packet */ 3718 /* Filter out middle button events induced by some w values */ 3719 if (sc->muxmsbuttons & 0x03 || pb->ipacket[0] & 0x03 || 3720 (timevalcmp(&sc->lastsoftintr, &sc->muxmidtimeout, <=) && 3721 (sc->muxsave[0] & 0x30 || sc->muxsave[2] > 8))) 3722 pb->ipacket[0] &= 0xfb; 3723 sc->muxmsbuttons = pb->ipacket[0] & 0x07; 3724 /* Convert to Synaptics pass-through protocol */ 3725 pb->ipacket[4] = pb->ipacket[1]; 3726 pb->ipacket[5] = pb->ipacket[2]; 3727 pb->ipacket[1] = pb->ipacket[0]; 3728 pb->ipacket[2] = 0; 3729 pb->ipacket[0] = 0x84 | (sc->muxtpbuttons & 0x03); 3730 pb->ipacket[3] = 0xc4 | (sc->muxtpbuttons >> 2 & 0x03); 3731 } 3732 3733 VLOG(4, (LOG_DEBUG, "synaptics: %02x %02x %02x %02x %02x %02x\n", 3734 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3735 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3736 3737 pb->inputbytes = MOUSE_SYNAPTICS_PACKETSIZE; 3738 return (0); 3739 } 3740 3741 static int 3742 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3743 { 3744 if (!( 3745 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3746 !sc->synhw.capReportsV && nfingers > 1) || 3747 (sc->synhw.capReportsV && nfingers > 2) || 3748 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3749 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3750 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3751 /* 3752 * We consider the packet irrelevant for the current 3753 * action when: 3754 * - the width isn't comprised in: 3755 * [1; max_width] 3756 * - the pressure isn't comprised in: 3757 * [min_pressure; max_pressure] 3758 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3759 */ 3760 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3761 return (1); 3762 } 3763 return (0); 3764 } 3765 3766 static void 3767 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3768 mousestatus_t *ms) 3769 { 3770 smoother_t *smoother; 3771 gesture_t *gest; 3772 finger_t *f; 3773 int y_ok, center_button, center_x, right_button, right_x, i; 3774 3775 f = &fingers[0]; 3776 smoother = &sc->smoother[0]; 3777 gest = &sc->gesture; 3778 3779 /* Find first active finger. */ 3780 if (nfingers > 0) { 3781 for (i = 0; i < PSM_FINGERS; i++) { 3782 if (PSM_FINGER_IS_SET(fingers[i])) { 3783 f = &fingers[i]; 3784 smoother = &sc->smoother[i]; 3785 break; 3786 } 3787 } 3788 } 3789 3790 /* 3791 * Check pressure to detect a real wanted action on the 3792 * touchpad. 3793 */ 3794 if (f->p >= sc->syninfo.min_pressure) { 3795 int x0, y0; 3796 int dxp, dyp; 3797 int start_x, start_y; 3798 int queue_len; 3799 int margin_top, margin_right, margin_bottom, margin_left; 3800 int window_min, window_max; 3801 int vscroll_hor_area, vscroll_ver_area; 3802 int two_finger_scroll; 3803 int max_x, max_y; 3804 int three_finger_drag; 3805 3806 /* Read sysctl. */ 3807 /* XXX Verify values? */ 3808 margin_top = sc->syninfo.margin_top; 3809 margin_right = sc->syninfo.margin_right; 3810 margin_bottom = sc->syninfo.margin_bottom; 3811 margin_left = sc->syninfo.margin_left; 3812 window_min = sc->syninfo.window_min; 3813 window_max = sc->syninfo.window_max; 3814 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3815 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3816 two_finger_scroll = sc->syninfo.two_finger_scroll; 3817 max_x = sc->syninfo.max_x; 3818 max_y = sc->syninfo.max_y; 3819 three_finger_drag = sc->syninfo.three_finger_drag; 3820 /* Read current absolute position. */ 3821 x0 = f->x; 3822 y0 = f->y; 3823 3824 /* 3825 * Limit the coordinates to the specified margins because 3826 * this area isn't very reliable. 3827 */ 3828 if (x0 <= margin_left) 3829 x0 = margin_left; 3830 else if (x0 >= max_x - margin_right) 3831 x0 = max_x - margin_right; 3832 if (y0 <= margin_bottom) 3833 y0 = margin_bottom; 3834 else if (y0 >= max_y - margin_top) 3835 y0 = max_y - margin_top; 3836 3837 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3838 x0, y0, f->p, f->w)); 3839 3840 /* 3841 * If the action is just beginning, init the structure and 3842 * compute tap timeout. 3843 */ 3844 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3845 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3846 3847 /* Initialize queue. */ 3848 gest->window_min = window_min; 3849 3850 /* Reset pressure peak. */ 3851 gest->zmax = 0; 3852 3853 /* Reset fingers count. */ 3854 gest->fingers_nb = 0; 3855 3856 /* Reset virtual scrolling state. */ 3857 gest->in_vscroll = 0; 3858 3859 /* Compute tap timeout. */ 3860 if (tap_enabled != 0) { 3861 gest->taptimeout = (struct timeval) { 3862 .tv_sec = tap_timeout / 1000000, 3863 .tv_usec = tap_timeout % 1000000, 3864 }; 3865 timevaladd( 3866 &gest->taptimeout, &sc->lastsoftintr); 3867 } else 3868 timevalclear(&gest->taptimeout); 3869 3870 sc->flags |= PSM_FLAGS_FINGERDOWN; 3871 3872 /* Smoother has not been reset yet */ 3873 queue_len = 1; 3874 start_x = x0; 3875 start_y = y0; 3876 } else { 3877 queue_len = smoother->queue_len + 1; 3878 start_x = smoother->start_x; 3879 start_y = smoother->start_y; 3880 } 3881 3882 /* Process ClickPad softbuttons */ 3883 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3884 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3885 start_y < sc->syninfo.softbuttons_y : 3886 start_y > max_y + sc->syninfo.softbuttons_y; 3887 3888 center_button = MOUSE_BUTTON2DOWN; 3889 center_x = sc->syninfo.softbutton2_x; 3890 right_button = MOUSE_BUTTON3DOWN; 3891 right_x = sc->syninfo.softbutton3_x; 3892 3893 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3894 center_button = MOUSE_BUTTON3DOWN; 3895 center_x = sc->syninfo.softbutton3_x; 3896 right_button = MOUSE_BUTTON2DOWN; 3897 right_x = sc->syninfo.softbutton2_x; 3898 } 3899 3900 if (right_x > 0 && start_x > right_x && y_ok) 3901 ms->button = (ms->button & 3902 ~MOUSE_BUTTON1DOWN) | right_button; 3903 else if (center_x > 0 && start_x > center_x && y_ok) 3904 ms->button = (ms->button & 3905 ~MOUSE_BUTTON1DOWN) | center_button; 3906 } 3907 3908 /* If in tap-hold or three fingers, add the recorded button. */ 3909 if (gest->in_taphold || (nfingers == 3 && three_finger_drag)) 3910 ms->button |= gest->tap_button; 3911 3912 /* 3913 * For tap, we keep the maximum number of fingers and the 3914 * pressure peak. Also with multiple fingers, we increase 3915 * the minimum window. 3916 */ 3917 if (nfingers > 1) 3918 gest->window_min = window_max; 3919 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3920 gest->zmax = imax(f->p, gest->zmax); 3921 3922 /* Do we have enough packets to consider this a gesture? */ 3923 if (queue_len < gest->window_min) 3924 return; 3925 3926 dyp = -1; 3927 dxp = -1; 3928 3929 /* Is a scrolling action occurring? */ 3930 if (!gest->in_taphold && !ms->button && 3931 (!gest->in_vscroll || two_finger_scroll)) { 3932 /* 3933 * A scrolling action must not conflict with a tap 3934 * action. Here are the conditions to consider a 3935 * scrolling action: 3936 * - the action in a configurable area 3937 * - one of the following: 3938 * . the distance between the last packet and the 3939 * first should be above a configurable minimum 3940 * . tap timed out 3941 */ 3942 dxp = abs(x0 - start_x); 3943 dyp = abs(y0 - start_y); 3944 3945 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3946 dxp >= sc->syninfo.vscroll_min_delta || 3947 dyp >= sc->syninfo.vscroll_min_delta) { 3948 /* 3949 * Handle two finger scrolling. 3950 * Note that we don't rely on fingers_nb 3951 * as that keeps the maximum number of fingers. 3952 */ 3953 if (two_finger_scroll) { 3954 if (nfingers == 2) { 3955 gest->in_vscroll += 3956 dyp ? 2 : 0; 3957 gest->in_vscroll += 3958 dxp ? 1 : 0; 3959 } 3960 } else { 3961 /* Check for horizontal scrolling. */ 3962 if ((vscroll_hor_area > 0 && 3963 start_y <= vscroll_hor_area) || 3964 (vscroll_hor_area < 0 && 3965 start_y >= 3966 max_y + vscroll_hor_area)) 3967 gest->in_vscroll += 2; 3968 3969 /* Check for vertical scrolling. */ 3970 if ((vscroll_ver_area > 0 && 3971 start_x <= vscroll_ver_area) || 3972 (vscroll_ver_area < 0 && 3973 start_x >= 3974 max_x + vscroll_ver_area)) 3975 gest->in_vscroll += 1; 3976 } 3977 3978 /* Avoid conflicts if area overlaps. */ 3979 if (gest->in_vscroll >= 3) 3980 gest->in_vscroll = 3981 (dxp > dyp) ? 2 : 1; 3982 } 3983 } 3984 /* 3985 * Reset two finger scrolling when the number of fingers 3986 * is different from two or any button is pressed. 3987 */ 3988 if (two_finger_scroll && gest->in_vscroll != 0 && 3989 (nfingers != 2 || ms->button)) 3990 gest->in_vscroll = 0; 3991 3992 VLOG(5, (LOG_DEBUG, 3993 "synaptics: virtual scrolling: %s " 3994 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3995 gest->in_vscroll ? "YES" : "NO", 3996 gest->in_vscroll, dxp, dyp, 3997 gest->fingers_nb)); 3998 3999 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4000 /* 4001 * An action is currently taking place but the pressure 4002 * dropped under the minimum, putting an end to it. 4003 */ 4004 int taphold_timeout, dx, dy, tap_max_delta; 4005 4006 dx = abs(smoother->queue[smoother->queue_cursor].x - 4007 smoother->start_x); 4008 dy = abs(smoother->queue[smoother->queue_cursor].y - 4009 smoother->start_y); 4010 4011 /* Max delta is disabled for multi-fingers tap. */ 4012 if (gest->fingers_nb > 1) 4013 tap_max_delta = imax(dx, dy); 4014 else 4015 tap_max_delta = sc->syninfo.tap_max_delta; 4016 4017 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4018 4019 /* Check for tap. */ 4020 VLOG(3, (LOG_DEBUG, 4021 "synaptics: zmax=%d, dx=%d, dy=%d, " 4022 "delta=%d, fingers=%d, queue=%d\n", 4023 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 4024 smoother->queue_len)); 4025 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 4026 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 4027 dx <= tap_max_delta && dy <= tap_max_delta && 4028 smoother->queue_len >= sc->syninfo.tap_min_queue) { 4029 /* 4030 * We have a tap if: 4031 * - the maximum pressure went over tap_threshold 4032 * - the action ended before tap_timeout 4033 * 4034 * To handle tap-hold, we must delay any button push to 4035 * the next action. 4036 */ 4037 if (gest->in_taphold) { 4038 /* 4039 * This is the second and last tap of a 4040 * double tap action, not a tap-hold. 4041 */ 4042 gest->in_taphold = 0; 4043 4044 /* 4045 * For double-tap to work: 4046 * - no button press is emitted (to 4047 * simulate a button release) 4048 * - PSM_FLAGS_FINGERDOWN is set to 4049 * force the next packet to emit a 4050 * button press) 4051 */ 4052 VLOG(2, (LOG_DEBUG, 4053 "synaptics: button RELEASE: %d\n", 4054 gest->tap_button)); 4055 sc->flags |= PSM_FLAGS_FINGERDOWN; 4056 4057 /* Schedule button press on next interrupt */ 4058 sc->idletimeout.tv_sec = psmhz > 1 ? 4059 0 : 1; 4060 sc->idletimeout.tv_usec = psmhz > 1 ? 4061 1000000 / psmhz : 0; 4062 } else { 4063 /* 4064 * This is the first tap: we set the 4065 * tap-hold state and notify the button 4066 * down event. 4067 */ 4068 gest->in_taphold = 1; 4069 taphold_timeout = sc->syninfo.taphold_timeout; 4070 gest->taptimeout.tv_sec = taphold_timeout / 4071 1000000; 4072 gest->taptimeout.tv_usec = taphold_timeout % 4073 1000000; 4074 sc->idletimeout = gest->taptimeout; 4075 timevaladd(&gest->taptimeout, 4076 &sc->lastsoftintr); 4077 4078 switch (gest->fingers_nb) { 4079 case 3: 4080 gest->tap_button = 4081 MOUSE_BUTTON2DOWN; 4082 break; 4083 case 2: 4084 gest->tap_button = 4085 MOUSE_BUTTON3DOWN; 4086 break; 4087 default: 4088 gest->tap_button = 4089 MOUSE_BUTTON1DOWN; 4090 } 4091 VLOG(2, (LOG_DEBUG, 4092 "synaptics: button PRESS: %d\n", 4093 gest->tap_button)); 4094 ms->button |= gest->tap_button; 4095 } 4096 } else { 4097 /* 4098 * Not enough pressure or timeout: reset 4099 * tap-hold state. 4100 */ 4101 if (gest->in_taphold) { 4102 VLOG(2, (LOG_DEBUG, 4103 "synaptics: button RELEASE: %d\n", 4104 gest->tap_button)); 4105 gest->in_taphold = 0; 4106 } else { 4107 VLOG(2, (LOG_DEBUG, 4108 "synaptics: not a tap-hold\n")); 4109 } 4110 } 4111 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 4112 /* 4113 * For a tap-hold to work, the button must remain down at 4114 * least until timeout (where the in_taphold flags will be 4115 * cleared) or during the next action. 4116 */ 4117 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 4118 ms->button |= gest->tap_button; 4119 } else { 4120 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 4121 gest->tap_button)); 4122 gest->in_taphold = 0; 4123 } 4124 } 4125 4126 return; 4127 } 4128 4129 static void 4130 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 4131 mousestatus_t *ms, int *x, int *y) 4132 { 4133 smoother_t *smoother = &sc->smoother[smoother_id]; 4134 gesture_t *gest = &(sc->gesture); 4135 4136 /* 4137 * Check pressure to detect a real wanted action on the 4138 * touchpad. 4139 */ 4140 if (f->p >= sc->syninfo.min_pressure) { 4141 int x0, y0; 4142 int cursor, peer, window; 4143 int dx, dy, dxp, dyp; 4144 int max_width, max_pressure; 4145 int margin_top, margin_right, margin_bottom, margin_left; 4146 int na_top, na_right, na_bottom, na_left; 4147 int window_min, window_max; 4148 int multiplicator; 4149 int weight_current, weight_previous, weight_len_squared; 4150 int div_min, div_max, div_len; 4151 int vscroll_hor_area, vscroll_ver_area; 4152 int two_finger_scroll; 4153 int max_x, max_y; 4154 int len, weight_prev_x, weight_prev_y; 4155 int div_max_x, div_max_y, div_x, div_y; 4156 int is_fuzzy; 4157 int natural_scroll; 4158 4159 /* Read sysctl. */ 4160 /* XXX Verify values? */ 4161 max_width = sc->syninfo.max_width; 4162 max_pressure = sc->syninfo.max_pressure; 4163 margin_top = sc->syninfo.margin_top; 4164 margin_right = sc->syninfo.margin_right; 4165 margin_bottom = sc->syninfo.margin_bottom; 4166 margin_left = sc->syninfo.margin_left; 4167 na_top = sc->syninfo.na_top; 4168 na_right = sc->syninfo.na_right; 4169 na_bottom = sc->syninfo.na_bottom; 4170 na_left = sc->syninfo.na_left; 4171 window_min = sc->syninfo.window_min; 4172 window_max = sc->syninfo.window_max; 4173 multiplicator = sc->syninfo.multiplicator; 4174 weight_current = sc->syninfo.weight_current; 4175 weight_previous = sc->syninfo.weight_previous; 4176 weight_len_squared = sc->syninfo.weight_len_squared; 4177 div_min = sc->syninfo.div_min; 4178 div_max = sc->syninfo.div_max; 4179 div_len = sc->syninfo.div_len; 4180 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 4181 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 4182 two_finger_scroll = sc->syninfo.two_finger_scroll; 4183 max_x = sc->syninfo.max_x; 4184 max_y = sc->syninfo.max_y; 4185 natural_scroll = sc->syninfo.natural_scroll; 4186 4187 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 4188 4189 /* Read current absolute position. */ 4190 x0 = f->x; 4191 y0 = f->y; 4192 4193 /* 4194 * Limit the coordinates to the specified margins because 4195 * this area isn't very reliable. 4196 */ 4197 if (x0 <= margin_left) 4198 x0 = margin_left; 4199 else if (x0 >= max_x - margin_right) 4200 x0 = max_x - margin_right; 4201 if (y0 <= margin_bottom) 4202 y0 = margin_bottom; 4203 else if (y0 >= max_y - margin_top) 4204 y0 = max_y - margin_top; 4205 4206 /* If the action is just beginning, init the structure. */ 4207 if (smoother->active == 0) { 4208 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4209 4210 /* Store the first point of this action. */ 4211 smoother->start_x = x0; 4212 smoother->start_y = y0; 4213 dx = dy = 0; 4214 4215 /* Initialize queue. */ 4216 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4217 smoother->queue_len = 0; 4218 4219 /* Reset average. */ 4220 smoother->avg_dx = 0; 4221 smoother->avg_dy = 0; 4222 4223 /* Reset squelch. */ 4224 smoother->squelch_x = 0; 4225 smoother->squelch_y = 0; 4226 4227 /* Activate queue */ 4228 smoother->active = 1; 4229 } else { 4230 /* Calculate the current delta. */ 4231 cursor = smoother->queue_cursor; 4232 dx = x0 - smoother->queue[cursor].x; 4233 dy = y0 - smoother->queue[cursor].y; 4234 } 4235 4236 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4237 smoother_id, x0, y0, f->p, f->w)); 4238 4239 /* Queue this new packet. */ 4240 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4241 smoother->queue[cursor].x = x0; 4242 smoother->queue[cursor].y = y0; 4243 smoother->queue_cursor = cursor; 4244 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4245 smoother->queue_len++; 4246 VLOG(5, (LOG_DEBUG, 4247 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4248 smoother_id, cursor, x0, y0, dx, dy)); 4249 4250 /* Do we have enough packets to consider this a movement? */ 4251 if (smoother->queue_len < gest->window_min) 4252 return; 4253 4254 weight_prev_x = weight_prev_y = weight_previous; 4255 div_max_x = div_max_y = div_max; 4256 4257 if (gest->in_vscroll) { 4258 /* Dividers are different with virtual scrolling. */ 4259 div_min = sc->syninfo.vscroll_div_min; 4260 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4261 } else { 4262 /* 4263 * There's a lot of noise in coordinates when 4264 * the finger is on the touchpad's borders. When 4265 * using this area, we apply a special weight and 4266 * div. 4267 */ 4268 if (x0 <= na_left || x0 >= max_x - na_right) { 4269 weight_prev_x = sc->syninfo.weight_previous_na; 4270 div_max_x = sc->syninfo.div_max_na; 4271 } 4272 4273 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4274 weight_prev_y = sc->syninfo.weight_previous_na; 4275 div_max_y = sc->syninfo.div_max_na; 4276 } 4277 } 4278 4279 /* 4280 * Calculate weights for the average operands and 4281 * the divisor. Both depend on the distance between 4282 * the current packet and a previous one (based on the 4283 * window width). 4284 */ 4285 window = imin(smoother->queue_len, window_max); 4286 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4287 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4288 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4289 len = (dxp * dxp) + (dyp * dyp); 4290 weight_prev_x = imin(weight_prev_x, 4291 weight_len_squared * weight_prev_x / len); 4292 weight_prev_y = imin(weight_prev_y, 4293 weight_len_squared * weight_prev_y / len); 4294 4295 len = (dxp + dyp) / 2; 4296 div_x = div_len * div_max_x / len; 4297 div_x = imin(div_max_x, div_x); 4298 div_x = imax(div_min, div_x); 4299 div_y = div_len * div_max_y / len; 4300 div_y = imin(div_max_y, div_y); 4301 div_y = imax(div_min, div_y); 4302 4303 VLOG(3, (LOG_DEBUG, 4304 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4305 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4306 div_x, div_y)); 4307 4308 /* Compute averages. */ 4309 smoother->avg_dx = 4310 (weight_current * dx * multiplicator + 4311 weight_prev_x * smoother->avg_dx) / 4312 (weight_current + weight_prev_x); 4313 4314 smoother->avg_dy = 4315 (weight_current * dy * multiplicator + 4316 weight_prev_y * smoother->avg_dy) / 4317 (weight_current + weight_prev_y); 4318 4319 VLOG(5, (LOG_DEBUG, 4320 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4321 smoother->avg_dx / multiplicator, 4322 smoother->avg_dy / multiplicator)); 4323 4324 /* Use these averages to calculate x & y. */ 4325 smoother->squelch_x += smoother->avg_dx; 4326 dxp = smoother->squelch_x / (div_x * multiplicator); 4327 smoother->squelch_x = smoother->squelch_x % 4328 (div_x * multiplicator); 4329 4330 smoother->squelch_y += smoother->avg_dy; 4331 dyp = smoother->squelch_y / (div_y * multiplicator); 4332 smoother->squelch_y = smoother->squelch_y % 4333 (div_y * multiplicator); 4334 4335 switch(gest->in_vscroll) { 4336 case 0: /* Pointer movement. */ 4337 /* On real<->fuzzy finger switch the x/y pos jumps */ 4338 if (is_fuzzy == smoother->is_fuzzy) { 4339 *x += dxp; 4340 *y += dyp; 4341 } 4342 4343 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4344 smoother_id, dx, dy, dxp, dyp)); 4345 break; 4346 case 1: /* Vertical scrolling. */ 4347 if (dyp != 0) { 4348 if (two_finger_scroll && natural_scroll) 4349 ms->button |= (dyp > 0) ? 4350 MOUSE_BUTTON5DOWN : MOUSE_BUTTON4DOWN; 4351 else 4352 ms->button |= (dyp > 0) ? 4353 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4354 } 4355 break; 4356 case 2: /* Horizontal scrolling. */ 4357 if (dxp != 0) { 4358 if (two_finger_scroll && natural_scroll) 4359 ms->button |= (dxp > 0) ? 4360 MOUSE_BUTTON6DOWN : MOUSE_BUTTON7DOWN; 4361 else 4362 ms->button |= (dxp > 0) ? 4363 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4364 } 4365 break; 4366 } 4367 4368 smoother->is_fuzzy = is_fuzzy; 4369 4370 } else { 4371 /* 4372 * Deactivate queue. Note: We can not just reset queue here 4373 * as these values are still used by gesture processor. 4374 * So postpone reset till next touch. 4375 */ 4376 smoother->active = 0; 4377 } 4378 } 4379 4380 static int 4381 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4382 int *x, int *y, int *z) 4383 { 4384 static int touchpad_button, trackpoint_button; 4385 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4386 int pkt, id, scale, i, nfingers, mask, palm; 4387 4388 if (!elantech_support) 4389 return (0); 4390 4391 /* Determine packet format and do a sanity check for out of sync packets. */ 4392 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4393 pkt = ELANTECH_PKT_NOP; 4394 else if (sc->elanhw.hastrackpoint && ELANTECH_PKT_IS_TRACKPOINT(pb)) 4395 pkt = ELANTECH_PKT_TRACKPOINT; 4396 else 4397 switch (sc->elanhw.hwversion) { 4398 case 2: 4399 if (!ELANTECH_PKT_IS_V2(pb)) 4400 return (-1); 4401 4402 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4403 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4404 break; 4405 case 3: 4406 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4407 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4408 return (-1); 4409 4410 pkt = ELANTECH_PKT_V3; 4411 break; 4412 case 4: 4413 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4414 return (-1); 4415 4416 switch (pb->ipacket[3] & 0x03) { 4417 case 0x00: 4418 pkt = ELANTECH_PKT_V4_STATUS; 4419 break; 4420 case 0x01: 4421 pkt = ELANTECH_PKT_V4_HEAD; 4422 break; 4423 case 0x02: 4424 pkt = ELANTECH_PKT_V4_MOTION; 4425 break; 4426 default: 4427 return (-1); 4428 } 4429 break; 4430 default: 4431 return (-1); 4432 } 4433 4434 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4435 4436 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4437 PSM_FINGER_RESET(f[id]); 4438 4439 *x = *y = *z = 0; 4440 ms->button = ms->obutton; 4441 4442 if (sc->syninfo.touchpad_off) 4443 return (0); 4444 4445 /* Common legend 4446 * L: Left mouse button pressed 4447 * R: Right mouse button pressed 4448 * N: number of fingers on touchpad 4449 * X: absolute x value (horizontal) 4450 * Y: absolute y value (vertical) 4451 * W; width of the finger touch 4452 * P: pressure 4453 */ 4454 switch (pkt) { 4455 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4456 /* 7 6 5 4 3 2 1 0 (LSB) 4457 * ------------------------------------------- 4458 * ipacket[0]: N1 N0 W3 W2 . . R L 4459 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4460 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4461 * ipacket[3]: N4 VF W1 W0 . . . B2 4462 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4463 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4464 * ------------------------------------------- 4465 * N4: set if more than 3 fingers (only in 3 fingers mode) 4466 * VF: a kind of flag? (only on EF123, 0 when finger 4467 * is over one of the buttons, 1 otherwise) 4468 * B2: (on EF113 only, 0 otherwise), one button pressed 4469 * P & W is not reported on EF113 touchpads 4470 */ 4471 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4472 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4473 nfingers = 4; 4474 4475 if (nfingers == 0) { 4476 mask = (1 << nfingers) - 1; /* = 0x00 */ 4477 break; 4478 } 4479 4480 /* Map 3-rd and 4-th fingers to first finger */ 4481 mask = (1 << 1) - 1; /* = 0x01 */ 4482 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4483 if (sc->elanhw.haspressure) { 4484 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4485 ((pb->ipacket[3] & 0x30) >> 4); 4486 } else { 4487 f[0].p = PSM_FINGER_DEFAULT_P; 4488 f[0].w = PSM_FINGER_DEFAULT_W; 4489 } 4490 4491 /* 4492 * HW v2 dont report exact finger positions when 3 or more 4493 * fingers are on touchpad. 4494 */ 4495 if (nfingers > 2) 4496 f[0].flags = PSM_FINGER_FUZZY; 4497 4498 break; 4499 4500 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4501 /* 7 6 5 4 3 2 1 0 (LSB) 4502 * ------------------------------------------- 4503 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4504 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4505 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4506 * ipacket[3]: . . BY8 BX8 . . . . 4507 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4508 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4509 * ------------------------------------------- 4510 * AX: lower-left finger absolute x value 4511 * AY: lower-left finger absolute y value 4512 * BX: upper-right finger absolute x value 4513 * BY: upper-right finger absolute y value 4514 */ 4515 nfingers = 2; 4516 mask = (1 << nfingers) - 1; 4517 4518 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4519 f[id] = (finger_t) { 4520 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4521 pb->ipacket[id * 3 + 1]) << 2, 4522 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4523 pb->ipacket[id * 3 + 2]) << 2, 4524 .p = PSM_FINGER_DEFAULT_P, 4525 .w = PSM_FINGER_DEFAULT_W, 4526 /* HW ver.2 sends bounding box */ 4527 .flags = PSM_FINGER_FUZZY 4528 }; 4529 break; 4530 4531 case ELANTECH_PKT_V3: /* HW Version 3 */ 4532 /* 7 6 5 4 3 2 1 0 (LSB) 4533 * ------------------------------------------- 4534 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4535 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4536 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4537 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4538 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4539 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4540 * ------------------------------------------- 4541 */ 4542 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4543 /* Map 3-rd finger to first finger */ 4544 id = nfingers > 2 ? 0 : nfingers - 1; 4545 mask = (1 << (id + 1)) - 1; 4546 4547 if (nfingers == 0) 4548 break; 4549 4550 fn = ELANTECH_FINGER_SET_XYP(pb); 4551 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4552 ((pb->ipacket[3] & 0x30) >> 4); 4553 4554 /* 4555 * HW v3 dont report exact finger positions when 3 or more 4556 * fingers are on touchpad. 4557 */ 4558 if (nfingers > 1) 4559 fn.flags = PSM_FINGER_FUZZY; 4560 4561 if (nfingers == 2) { 4562 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4563 sc->elanaction.fingers[0] = fn; 4564 return (0); 4565 } else 4566 f[0] = sc->elanaction.fingers[0]; 4567 } 4568 f[id] = fn; 4569 break; 4570 4571 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4572 /* 7 6 5 4 3 2 1 0 (LSB) 4573 * ------------------------------------------- 4574 * ipacket[0]: . . . . 0 1 R L 4575 * ipacket[1]: . . . F4 F3 F2 F1 F0 4576 * ipacket[2]: . . . . . . . . 4577 * ipacket[3]: . . . 1 0 0 0 0 4578 * ipacket[4]: PL . . . . . . . 4579 * ipacket[5]: . . . . . . . . 4580 * ------------------------------------------- 4581 * Fn: finger n is on touchpad 4582 * PL: palm 4583 * HV ver4 sends a status packet to indicate that the numbers 4584 * or identities of the fingers has been changed 4585 */ 4586 4587 mask = pb->ipacket[1] & 0x1f; 4588 nfingers = bitcount(mask); 4589 4590 if (sc->elanaction.mask_v4wait != 0) 4591 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4592 " when not all previous head packets received\n")); 4593 4594 /* Bitmap of fingers to receive before gesture processing */ 4595 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4596 4597 /* Skip "new finger is on touchpad" packets */ 4598 if (sc->elanaction.mask_v4wait) { 4599 sc->elanaction.mask = mask; 4600 return (0); 4601 } 4602 4603 break; 4604 4605 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4606 /* 7 6 5 4 3 2 1 0 (LSB) 4607 * ------------------------------------------- 4608 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4609 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4610 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4611 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4612 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4613 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4614 * ------------------------------------------- 4615 * ID: finger id 4616 * HW ver 4 sends head packets in two cases: 4617 * 1. One finger touch and movement. 4618 * 2. Next after status packet to tell new finger positions. 4619 */ 4620 mask = sc->elanaction.mask; 4621 nfingers = bitcount(mask); 4622 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4623 fn = ELANTECH_FINGER_SET_XYP(pb); 4624 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4625 4626 if (id < 0) 4627 return (0); 4628 4629 /* Packet is finger position update. Report it */ 4630 if (sc->elanaction.mask_v4wait == 0) { 4631 if (id < ELANTECH_MAX_FINGERS) 4632 f[id] = fn; 4633 break; 4634 } 4635 4636 /* Remove finger from waiting bitmap and store into context */ 4637 sc->elanaction.mask_v4wait &= ~(1 << id); 4638 if (id < ELANTECH_MAX_FINGERS) 4639 sc->elanaction.fingers[id] = fn; 4640 4641 /* Wait for other fingers if needed */ 4642 if (sc->elanaction.mask_v4wait != 0) 4643 return (0); 4644 4645 /* All new fingers are received. Report them from context */ 4646 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4647 if (sc->elanaction.mask & (1 << id)) 4648 f[id] = sc->elanaction.fingers[id]; 4649 4650 break; 4651 4652 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4653 /* 7 6 5 4 3 2 1 0 (LSB) 4654 * ------------------------------------------- 4655 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4656 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4657 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4658 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4659 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4660 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4661 * ------------------------------------------- 4662 * OF: delta overflows (> 127 or < -128), in this case 4663 * firmware sends us (delta x / 5) and (delta y / 5) 4664 * ID: finger id 4665 * DX: delta x (two's complement) 4666 * XY: delta y (two's complement) 4667 * byte 0 ~ 2 for one finger 4668 * byte 3 ~ 5 for another finger 4669 */ 4670 mask = sc->elanaction.mask; 4671 nfingers = bitcount(mask); 4672 4673 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4674 for (i = 0; i <= 3; i += 3) { 4675 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4676 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4677 continue; 4678 4679 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4680 f[id] = sc->elanaction.fingers[id]; 4681 f[id].x += imax(-f[id].x, 4682 (signed char)pb->ipacket[i+1] * scale); 4683 f[id].y += imax(-f[id].y, 4684 (signed char)pb->ipacket[i+2] * scale); 4685 } else { 4686 VLOG(3, (LOG_DEBUG, "elantech: " 4687 "HW v4 motion packet skipped\n")); 4688 } 4689 } 4690 4691 break; 4692 4693 case ELANTECH_PKT_TRACKPOINT: 4694 /* 7 6 5 4 3 2 1 0 (LSB) 4695 * ------------------------------------------- 4696 * ipacket[0]: 0 0 SY SX 0 M R L 4697 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4698 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4699 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4700 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4701 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4702 * ------------------------------------------- 4703 * X and Y are written in two's complement spread 4704 * over 9 bits with SX/SY the relative top bit and 4705 * X7..X0 and Y7..Y0 the lower bits. 4706 */ 4707 if (!(pb->ipacket[0] & 0xC8) && !(pb->ipacket[1] & 0x7F) && 4708 !(pb->ipacket[2] & 0x7F) && !(pb->ipacket[3] & 0xC9) && 4709 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[1] & 0x80) && 4710 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[3] & 0x10) && 4711 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[2] & 0x80) && 4712 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[3] & 0x20)) { 4713 4714 *x = (pb->ipacket[0] & MOUSE_PS2_XNEG) ? 4715 pb->ipacket[4] - 256 : pb->ipacket[4]; 4716 *y = (pb->ipacket[0] & MOUSE_PS2_YNEG) ? 4717 pb->ipacket[5] - 256 : pb->ipacket[5]; 4718 4719 trackpoint_button = 4720 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4721 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0) | 4722 ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); 4723 #ifdef EVDEV_SUPPORT 4724 evdev_push_rel(sc->evdev_r, REL_X, *x); 4725 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 4726 evdev_push_mouse_btn(sc->evdev_r, trackpoint_button); 4727 evdev_sync(sc->evdev_r); 4728 #endif 4729 ms->button = touchpad_button | trackpoint_button; 4730 } else 4731 VLOG(3, (LOG_DEBUG, "elantech: " 4732 "unexpected trackpoint packet skipped\n")); 4733 return (0); 4734 4735 case ELANTECH_PKT_NOP: 4736 return (0); 4737 4738 default: 4739 return (-1); 4740 } 4741 4742 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4743 if (PSM_FINGER_IS_SET(f[id])) 4744 VLOG(2, (LOG_DEBUG, "elantech: " 4745 "finger %d: down [%d, %d], %d, %d, %d\n", id + 1, 4746 f[id].x, f[id].y, f[id].p, f[id].w, f[id].flags)); 4747 4748 /* Touchpad button presses */ 4749 if (sc->elanhw.isclickpad) { 4750 touchpad_button = 4751 ((pb->ipacket[0] & 0x03) ? MOUSE_BUTTON1DOWN : 0); 4752 } else { 4753 touchpad_button = 4754 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4755 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); 4756 } 4757 4758 #ifdef EVDEV_SUPPORT 4759 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 4760 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4761 if (PSM_FINGER_IS_SET(f[id])) { 4762 psm_push_mt_finger(sc, id, &f[id]); 4763 /* Convert touch width to surface units */ 4764 evdev_push_abs(sc->evdev_a, ABS_MT_TOUCH_MAJOR, 4765 f[id].w * sc->elanhw.dptracex); 4766 } 4767 if (sc->elanaction.mask & (1 << id) && 4768 !(mask & (1 << id))) 4769 psm_release_mt_slot(sc->evdev_a, id); 4770 } 4771 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 4772 evdev_push_nfingers(sc->evdev_a, nfingers); 4773 if (nfingers > 0) { 4774 if (PSM_FINGER_IS_SET(f[0])) 4775 psm_push_st_finger(sc, &f[0]); 4776 } else 4777 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 4778 evdev_push_mouse_btn(sc->evdev_a, touchpad_button); 4779 evdev_sync(sc->evdev_a); 4780 } 4781 #endif 4782 4783 ms->button = touchpad_button | trackpoint_button; 4784 4785 /* Palm detection doesn't terminate the current action. */ 4786 palm = psmpalmdetect(sc, &f[0], nfingers); 4787 4788 /* Send finger 1 position to gesture processor */ 4789 if ((PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) || 4790 nfingers == 0) && !palm) 4791 psmgestures(sc, &f[0], imin(nfingers, 3), ms); 4792 4793 /* Send fingers positions to movement smoothers */ 4794 for (id = 0; id < PSM_FINGERS; id++) 4795 if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id))) 4796 psmsmoother(sc, &f[id], id, ms, x, y); 4797 4798 /* Store current finger positions in action context */ 4799 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4800 if (PSM_FINGER_IS_SET(f[id])) 4801 sc->elanaction.fingers[id] = f[id]; 4802 if ((sc->elanaction.mask & (1 << id)) && !(mask & (1 << id))) 4803 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 4804 } 4805 sc->elanaction.mask = mask; 4806 4807 if (palm) { 4808 *x = *y = *z = 0; 4809 ms->button = ms->obutton; 4810 return (0); 4811 } 4812 4813 /* Use the extra buttons as a scrollwheel */ 4814 if (ms->button & MOUSE_BUTTON4DOWN) 4815 *z = -1; 4816 else if (ms->button & MOUSE_BUTTON5DOWN) 4817 *z = 1; 4818 else if (ms->button & MOUSE_BUTTON6DOWN) 4819 *z = -2; 4820 else if (ms->button & MOUSE_BUTTON7DOWN) 4821 *z = 2; 4822 else 4823 *z = 0; 4824 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 4825 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 4826 4827 return (0); 4828 } 4829 4830 static void 4831 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4832 int *x, int *y, int *z) 4833 { 4834 static int butmap_versapad[8] = { 4835 0, 4836 MOUSE_BUTTON3DOWN, 4837 0, 4838 MOUSE_BUTTON3DOWN, 4839 MOUSE_BUTTON1DOWN, 4840 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4841 MOUSE_BUTTON1DOWN, 4842 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 4843 }; 4844 int c, x0, y0; 4845 4846 /* VersaPad PS/2 absolute mode message format 4847 * 4848 * [packet1] 7 6 5 4 3 2 1 0(LSB) 4849 * ipacket[0]: 1 1 0 A 1 L T R 4850 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 4851 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 4852 * ipacket[3]: 1 1 1 A 1 L T R 4853 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 4854 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 4855 * 4856 * [note] 4857 * R: right physical mouse button (1=on) 4858 * T: touch pad virtual button (1=tapping) 4859 * L: left physical mouse button (1=on) 4860 * A: position data is valid (1=valid) 4861 * H: horizontal data (12bit signed integer. H11 is sign bit.) 4862 * V: vertical data (12bit signed integer. V11 is sign bit.) 4863 * P: pressure data 4864 * 4865 * Tapping is mapped to MOUSE_BUTTON4. 4866 */ 4867 c = pb->ipacket[0]; 4868 *x = *y = 0; 4869 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 4870 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 4871 if (c & MOUSE_PS2VERSA_IN_USE) { 4872 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 4873 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 4874 if (x0 & 0x800) 4875 x0 -= 0x1000; 4876 if (y0 & 0x800) 4877 y0 -= 0x1000; 4878 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4879 *x = sc->xold - x0; 4880 *y = y0 - sc->yold; 4881 if (*x < 0) /* XXX */ 4882 ++*x; 4883 else if (*x) 4884 --*x; 4885 if (*y < 0) 4886 ++*y; 4887 else if (*y) 4888 --*y; 4889 } else 4890 sc->flags |= PSM_FLAGS_FINGERDOWN; 4891 sc->xold = x0; 4892 sc->yold = y0; 4893 } else 4894 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4895 } 4896 4897 static void 4898 psmsoftintridle(void *arg) 4899 { 4900 struct psm_softc *sc = arg; 4901 packetbuf_t *pb; 4902 4903 /* Invoke soft handler only when pqueue is empty. Otherwise it will be 4904 * invoked from psmintr soon with pqueue filled with real data */ 4905 if (sc->pqueue_start == sc->pqueue_end && 4906 sc->idlepacket.inputbytes > 0) { 4907 /* Grow circular queue backwards to avoid race with psmintr */ 4908 if (--sc->pqueue_start < 0) 4909 sc->pqueue_start = PSM_PACKETQUEUE - 1; 4910 4911 pb = &sc->pqueue[sc->pqueue_start]; 4912 memcpy(pb, &sc->idlepacket, sizeof(packetbuf_t)); 4913 VLOG(4, (LOG_DEBUG, 4914 "psmsoftintridle: %02x %02x %02x %02x %02x %02x\n", 4915 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 4916 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 4917 4918 psmsoftintr(arg); 4919 } 4920 } 4921 4922 static void 4923 psmsoftintr(void *arg) 4924 { 4925 /* 4926 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 4927 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 4928 */ 4929 static int butmap[8] = { 4930 0, 4931 MOUSE_BUTTON1DOWN, 4932 MOUSE_BUTTON3DOWN, 4933 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4934 MOUSE_BUTTON2DOWN, 4935 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 4936 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 4937 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 4938 }; 4939 struct psm_softc *sc = arg; 4940 mousestatus_t ms; 4941 packetbuf_t *pb; 4942 int x, y, z, c, l, s; 4943 4944 getmicrouptime(&sc->lastsoftintr); 4945 4946 s = spltty(); 4947 4948 do { 4949 pb = &sc->pqueue[sc->pqueue_start]; 4950 4951 if (sc->mode.level == PSM_LEVEL_NATIVE) 4952 goto next_native; 4953 4954 c = pb->ipacket[0]; 4955 /* 4956 * A kludge for Kensington device! 4957 * The MSB of the horizontal count appears to be stored in 4958 * a strange place. 4959 */ 4960 if (sc->hw.model == MOUSE_MODEL_THINK) 4961 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 4962 4963 /* ignore the overflow bits... */ 4964 x = (c & MOUSE_PS2_XNEG) ? 4965 pb->ipacket[1] - 256 : pb->ipacket[1]; 4966 y = (c & MOUSE_PS2_YNEG) ? 4967 pb->ipacket[2] - 256 : pb->ipacket[2]; 4968 z = 0; 4969 ms.obutton = sc->button; /* previous button state */ 4970 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 4971 /* `tapping' action */ 4972 if (sc->config & PSM_CONFIG_FORCETAP) 4973 ms.button |= ((c & MOUSE_PS2_TAP)) ? 4974 0 : MOUSE_BUTTON4DOWN; 4975 timevalclear(&sc->idletimeout); 4976 sc->idlepacket.inputbytes = 0; 4977 4978 switch (sc->hw.model) { 4979 4980 case MOUSE_MODEL_EXPLORER: 4981 /* 4982 * b7 b6 b5 b4 b3 b2 b1 b0 4983 * byte 1: oy ox sy sx 1 M R L 4984 * byte 2: x x x x x x x x 4985 * byte 3: y y y y y y y y 4986 * byte 4: * * S2 S1 s d2 d1 d0 4987 * 4988 * L, M, R, S1, S2: left, middle, right and side buttons 4989 * s: wheel data sign bit 4990 * d2-d0: wheel data 4991 */ 4992 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4993 (pb->ipacket[3] & 0x0f) - 16 : 4994 (pb->ipacket[3] & 0x0f); 4995 ms.button |= 4996 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4997 MOUSE_BUTTON4DOWN : 0; 4998 ms.button |= 4999 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 5000 MOUSE_BUTTON5DOWN : 0; 5001 break; 5002 5003 case MOUSE_MODEL_INTELLI: 5004 case MOUSE_MODEL_NET: 5005 /* wheel data is in the fourth byte */ 5006 z = (char)pb->ipacket[3]; 5007 /* 5008 * XXX some mice may send 7 when there is no Z movement? */ 5009 if ((z >= 7) || (z <= -7)) 5010 z = 0; 5011 /* some compatible mice have additional buttons */ 5012 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 5013 MOUSE_BUTTON4DOWN : 0; 5014 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 5015 MOUSE_BUTTON5DOWN : 0; 5016 break; 5017 5018 case MOUSE_MODEL_MOUSEMANPLUS: 5019 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 5020 break; 5021 5022 case MOUSE_MODEL_GLIDEPOINT: 5023 /* `tapping' action */ 5024 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 5025 MOUSE_BUTTON4DOWN; 5026 break; 5027 5028 case MOUSE_MODEL_NETSCROLL: 5029 /* 5030 * three additional bytes encode buttons and 5031 * wheel events 5032 */ 5033 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 5034 MOUSE_BUTTON4DOWN : 0; 5035 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 5036 MOUSE_BUTTON5DOWN : 0; 5037 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 5038 pb->ipacket[4] - 256 : pb->ipacket[4]; 5039 break; 5040 5041 case MOUSE_MODEL_THINK: 5042 /* the fourth button state in the first byte */ 5043 ms.button |= (c & MOUSE_PS2_TAP) ? 5044 MOUSE_BUTTON4DOWN : 0; 5045 break; 5046 5047 case MOUSE_MODEL_VERSAPAD: 5048 proc_versapad(sc, pb, &ms, &x, &y, &z); 5049 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 5050 ((y < 0) ? MOUSE_PS2_YNEG : 0); 5051 break; 5052 5053 case MOUSE_MODEL_4D: 5054 /* 5055 * b7 b6 b5 b4 b3 b2 b1 b0 5056 * byte 1: s2 d2 s1 d1 1 M R L 5057 * byte 2: sx x x x x x x x 5058 * byte 3: sy y y y y y y y 5059 * 5060 * s1: wheel 1 direction 5061 * d1: wheel 1 data 5062 * s2: wheel 2 direction 5063 * d2: wheel 2 data 5064 */ 5065 x = (pb->ipacket[1] & 0x80) ? 5066 pb->ipacket[1] - 256 : pb->ipacket[1]; 5067 y = (pb->ipacket[2] & 0x80) ? 5068 pb->ipacket[2] - 256 : pb->ipacket[2]; 5069 switch (c & MOUSE_4D_WHEELBITS) { 5070 case 0x10: 5071 z = 1; 5072 break; 5073 case 0x30: 5074 z = -1; 5075 break; 5076 case 0x40: /* XXX 2nd wheel turning right */ 5077 z = 2; 5078 break; 5079 case 0xc0: /* XXX 2nd wheel turning left */ 5080 z = -2; 5081 break; 5082 } 5083 break; 5084 5085 case MOUSE_MODEL_4DPLUS: 5086 if ((x < 16 - 256) && (y < 16 - 256)) { 5087 /* 5088 * b7 b6 b5 b4 b3 b2 b1 b0 5089 * byte 1: 0 0 1 1 1 M R L 5090 * byte 2: 0 0 0 0 1 0 0 0 5091 * byte 3: 0 0 0 0 S s d1 d0 5092 * 5093 * L, M, R, S: left, middle, right, 5094 * and side buttons 5095 * s: wheel data sign bit 5096 * d1-d0: wheel data 5097 */ 5098 x = y = 0; 5099 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 5100 ms.button |= MOUSE_BUTTON4DOWN; 5101 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 5102 ((pb->ipacket[2] & 0x07) - 8) : 5103 (pb->ipacket[2] & 0x07) ; 5104 } else { 5105 /* preserve previous button states */ 5106 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 5107 } 5108 break; 5109 5110 case MOUSE_MODEL_SYNAPTICS: 5111 if (pb->inputbytes == MOUSE_PS2_PACKETSIZE) 5112 if (proc_synaptics_mux(sc, pb)) 5113 goto next; 5114 5115 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) { 5116 VLOG(3, (LOG_DEBUG, "synaptics: " 5117 "packet rejected\n")); 5118 goto next; 5119 } 5120 break; 5121 5122 case MOUSE_MODEL_ELANTECH: 5123 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) { 5124 VLOG(3, (LOG_DEBUG, "elantech: " 5125 "packet rejected\n")); 5126 goto next; 5127 } 5128 break; 5129 5130 case MOUSE_MODEL_TRACKPOINT: 5131 case MOUSE_MODEL_GENERIC: 5132 default: 5133 break; 5134 } 5135 5136 #ifdef EVDEV_SUPPORT 5137 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 5138 sc->hw.model != MOUSE_MODEL_ELANTECH && 5139 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5140 evdev_push_rel(sc->evdev_r, REL_X, x); 5141 evdev_push_rel(sc->evdev_r, REL_Y, -y); 5142 5143 switch (sc->hw.model) { 5144 case MOUSE_MODEL_EXPLORER: 5145 case MOUSE_MODEL_INTELLI: 5146 case MOUSE_MODEL_NET: 5147 case MOUSE_MODEL_NETSCROLL: 5148 case MOUSE_MODEL_4DPLUS: 5149 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5150 break; 5151 case MOUSE_MODEL_MOUSEMANPLUS: 5152 case MOUSE_MODEL_4D: 5153 switch (z) { 5154 case 1: 5155 case -1: 5156 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5157 break; 5158 case 2: 5159 case -2: 5160 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 5161 break; 5162 } 5163 break; 5164 } 5165 5166 evdev_push_mouse_btn(sc->evdev_r, ms.button); 5167 evdev_sync(sc->evdev_r); 5168 } 5169 #endif 5170 5171 /* scale values */ 5172 if (sc->mode.accelfactor >= 1) { 5173 if (x != 0) { 5174 x = x * x / sc->mode.accelfactor; 5175 if (x == 0) 5176 x = 1; 5177 if (c & MOUSE_PS2_XNEG) 5178 x = -x; 5179 } 5180 if (y != 0) { 5181 y = y * y / sc->mode.accelfactor; 5182 if (y == 0) 5183 y = 1; 5184 if (c & MOUSE_PS2_YNEG) 5185 y = -y; 5186 } 5187 } 5188 5189 /* Store last packet for reinjection if it has not been set already */ 5190 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 5191 sc->idlepacket = *pb; 5192 5193 ms.dx = x; 5194 ms.dy = y; 5195 ms.dz = z; 5196 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 5197 (ms.obutton ^ ms.button); 5198 5199 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 5200 5201 sc->status.flags |= ms.flags; 5202 sc->status.dx += ms.dx; 5203 sc->status.dy += ms.dy; 5204 sc->status.dz += ms.dz; 5205 sc->status.button = ms.button; 5206 sc->button = ms.button; 5207 5208 next_native: 5209 sc->watchdog = FALSE; 5210 5211 /* queue data */ 5212 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 5213 l = imin(pb->inputbytes, 5214 sizeof(sc->queue.buf) - sc->queue.tail); 5215 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 5216 if (pb->inputbytes > l) 5217 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 5218 pb->inputbytes - l); 5219 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 5220 sizeof(sc->queue.buf); 5221 sc->queue.count += pb->inputbytes; 5222 } 5223 5224 next: 5225 pb->inputbytes = 0; 5226 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 5227 sc->pqueue_start = 0; 5228 } while (sc->pqueue_start != sc->pqueue_end); 5229 5230 if (sc->state & PSM_ASLP) { 5231 sc->state &= ~PSM_ASLP; 5232 wakeup(sc); 5233 } 5234 selwakeuppri(&sc->rsel, PZERO); 5235 if (sc->async != NULL) { 5236 pgsigio(&sc->async, SIGIO, 0); 5237 } 5238 sc->state &= ~PSM_SOFTARMED; 5239 5240 /* schedule injection of predefined packet after idletimeout 5241 * if no data packets have been received from psmintr */ 5242 if (timevalisset(&sc->idletimeout)) { 5243 sc->state |= PSM_SOFTARMED; 5244 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5245 psmsoftintridle, sc); 5246 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5247 tvtohz(&sc->idletimeout))); 5248 } 5249 splx(s); 5250 } 5251 5252 static int 5253 psmpoll(struct cdev *dev, int events, struct thread *td) 5254 { 5255 struct psm_softc *sc = dev->si_drv1; 5256 int s; 5257 int revents = 0; 5258 5259 /* Return true if a mouse event available */ 5260 s = spltty(); 5261 if (events & (POLLIN | POLLRDNORM)) { 5262 if (sc->queue.count > 0) 5263 revents |= events & (POLLIN | POLLRDNORM); 5264 else 5265 selrecord(td, &sc->rsel); 5266 } 5267 splx(s); 5268 5269 return (revents); 5270 } 5271 5272 /* vendor/model specific routines */ 5273 5274 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5275 { 5276 if (set_mouse_resolution(kbdc, res) != res) 5277 return (FALSE); 5278 if (set_mouse_scaling(kbdc, scale) && 5279 set_mouse_scaling(kbdc, scale) && 5280 set_mouse_scaling(kbdc, scale) && 5281 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5282 return (TRUE); 5283 return (FALSE); 5284 } 5285 5286 static int 5287 mouse_ext_command(KBDC kbdc, int command) 5288 { 5289 int c; 5290 5291 c = (command >> 6) & 0x03; 5292 if (set_mouse_resolution(kbdc, c) != c) 5293 return (FALSE); 5294 c = (command >> 4) & 0x03; 5295 if (set_mouse_resolution(kbdc, c) != c) 5296 return (FALSE); 5297 c = (command >> 2) & 0x03; 5298 if (set_mouse_resolution(kbdc, c) != c) 5299 return (FALSE); 5300 c = (command >> 0) & 0x03; 5301 if (set_mouse_resolution(kbdc, c) != c) 5302 return (FALSE); 5303 return (TRUE); 5304 } 5305 5306 #ifdef notyet 5307 /* Logitech MouseMan Cordless II */ 5308 static int 5309 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5310 { 5311 KBDC kbdc = sc->kbdc; 5312 int status[3]; 5313 int ch; 5314 5315 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5316 return (FALSE); 5317 if (status[1] == PSMD_RES_HIGH) 5318 return (FALSE); 5319 ch = (status[0] & 0x07) - 1; /* channel # */ 5320 if ((ch <= 0) || (ch > 4)) 5321 return (FALSE); 5322 /* 5323 * status[1]: always one? 5324 * status[2]: battery status? (0-100) 5325 */ 5326 return (TRUE); 5327 } 5328 #endif /* notyet */ 5329 5330 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5331 static int 5332 enable_groller(struct psm_softc *sc, enum probearg arg) 5333 { 5334 KBDC kbdc = sc->kbdc; 5335 int status[3]; 5336 5337 /* 5338 * The special sequence to enable the fourth button and the 5339 * roller. Immediately after this sequence check status bytes. 5340 * if the mouse is NetScroll, the second and the third bytes are 5341 * '3' and 'D'. 5342 */ 5343 5344 /* 5345 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5346 * look like the following. 5347 * 5348 * byte 1 bit 7 always 0 5349 * bit 6 stream mode (0) 5350 * bit 5 disabled (0) 5351 * bit 4 1:1 scaling (0) 5352 * bit 3 always 0 5353 * bit 0-2 button status 5354 * byte 2 resolution (PSMD_RES_HIGH) 5355 * byte 3 report rate (?) 5356 */ 5357 5358 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5359 return (FALSE); 5360 if ((status[1] != '3') || (status[2] != 'D')) 5361 return (FALSE); 5362 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5363 if (arg == PROBE) 5364 sc->hw.buttons = 4; 5365 return (TRUE); 5366 } 5367 5368 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5369 static int 5370 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5371 { 5372 KBDC kbdc = sc->kbdc; 5373 int status[3]; 5374 5375 /* 5376 * The special sequence to enable the middle, "rubber" button. 5377 * Immediately after this sequence check status bytes. 5378 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5379 * the second and the third bytes are '3' and 'U'. 5380 * NOTE: NetMouse reports that it has three buttons although it has 5381 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5382 * say they have three buttons too and they do have a button on the 5383 * side... 5384 */ 5385 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5386 return (FALSE); 5387 if ((status[1] != '3') || (status[2] != 'U')) 5388 return (FALSE); 5389 return (TRUE); 5390 } 5391 5392 /* ALPS GlidePoint */ 5393 static int 5394 enable_aglide(struct psm_softc *sc, enum probearg arg) 5395 { 5396 KBDC kbdc = sc->kbdc; 5397 int status[3]; 5398 5399 /* 5400 * The special sequence to obtain ALPS GlidePoint specific 5401 * information. Immediately after this sequence, status bytes will 5402 * contain something interesting. 5403 * NOTE: ALPS produces several models of GlidePoint. Some of those 5404 * do not respond to this sequence, thus, cannot be detected this way. 5405 */ 5406 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5407 return (FALSE); 5408 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5409 return (FALSE); 5410 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5411 return (FALSE); 5412 return (TRUE); 5413 } 5414 5415 /* Kensington ThinkingMouse/Trackball */ 5416 static int 5417 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5418 { 5419 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5420 KBDC kbdc = sc->kbdc; 5421 int status[3]; 5422 int id1; 5423 int id2; 5424 int i; 5425 5426 id1 = get_aux_id(kbdc); 5427 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5428 return (FALSE); 5429 /* 5430 * The device is now in the native mode? It returns a different 5431 * ID value... 5432 */ 5433 id2 = get_aux_id(kbdc); 5434 if ((id1 == id2) || (id2 != 2)) 5435 return (FALSE); 5436 5437 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5438 return (FALSE); 5439 #if PSM_DEBUG >= 2 5440 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5441 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5442 return (FALSE); 5443 #endif 5444 5445 /* 5446 * The special sequence to enable the third and fourth buttons. 5447 * Otherwise they behave like the first and second buttons. 5448 */ 5449 for (i = 0; i < nitems(rate); ++i) 5450 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5451 return (FALSE); 5452 5453 /* 5454 * At this point, the device is using default resolution and 5455 * sampling rate for the native mode. 5456 */ 5457 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5458 return (FALSE); 5459 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5460 return (FALSE); 5461 5462 /* the device appears be enabled by this sequence, diable it for now */ 5463 disable_aux_dev(kbdc); 5464 empty_aux_buffer(kbdc, 5); 5465 5466 return (TRUE); 5467 } 5468 5469 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5470 static int 5471 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5472 { 5473 KBDC kbdc = sc->kbdc; 5474 int data[3]; 5475 5476 /* the special sequence to enable the fourth button and the roller. */ 5477 /* 5478 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5479 * must be called exactly three times since the last RESET command 5480 * before this sequence. XXX 5481 */ 5482 if (!set_mouse_scaling(kbdc, 1)) 5483 return (FALSE); 5484 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5485 return (FALSE); 5486 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5487 return (FALSE); 5488 5489 /* 5490 * PS2++ protocol, packet type 0 5491 * 5492 * b7 b6 b5 b4 b3 b2 b1 b0 5493 * byte 1: * 1 p3 p2 1 * * * 5494 * byte 2: 1 1 p1 p0 m1 m0 1 0 5495 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5496 * 5497 * p3-p0: packet type: 0 5498 * m7-m0: model ID: MouseMan+:0x50, 5499 * FirstMouse+:0x51, 5500 * ScrollPoint:0x58... 5501 */ 5502 /* check constant bits */ 5503 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5504 return (FALSE); 5505 if ((data[1] & 0xc3) != 0xc2) 5506 return (FALSE); 5507 /* check d3-d0 in byte 2 */ 5508 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5509 return (FALSE); 5510 /* check p3-p0 */ 5511 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5512 return (FALSE); 5513 5514 if (arg == PROBE) { 5515 sc->hw.hwid &= 0x00ff; 5516 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5517 } 5518 5519 /* 5520 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5521 * the wheel and the fourth button events are encoded in the 5522 * special data packet. The mouse may be put in the IntelliMouse mode 5523 * if it is initialized by the IntelliMouse's method. 5524 */ 5525 return (TRUE); 5526 } 5527 5528 /* MS IntelliMouse Explorer */ 5529 static int 5530 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5531 { 5532 KBDC kbdc = sc->kbdc; 5533 static u_char rate0[] = { 200, 100, 80, }; 5534 static u_char rate1[] = { 200, 200, 80, }; 5535 int id; 5536 int i; 5537 5538 /* 5539 * This is needed for at least A4Tech X-7xx mice - they do not go 5540 * straight to Explorer mode, but need to be set to Intelli mode 5541 * first. 5542 */ 5543 enable_msintelli(sc, arg); 5544 5545 /* the special sequence to enable the extra buttons and the roller. */ 5546 for (i = 0; i < nitems(rate1); ++i) 5547 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5548 return (FALSE); 5549 /* the device will give the genuine ID only after the above sequence */ 5550 id = get_aux_id(kbdc); 5551 if (id != PSM_EXPLORER_ID) 5552 return (FALSE); 5553 5554 if (arg == PROBE) { 5555 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5556 sc->hw.hwid = id; 5557 } 5558 5559 /* 5560 * XXX: this is a kludge to fool some KVM switch products 5561 * which think they are clever enough to know the 4-byte IntelliMouse 5562 * protocol, and assume any other protocols use 3-byte packets. 5563 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5564 * correctly to the host computer because of this! 5565 * The following sequence is actually IntelliMouse's "wake up" 5566 * sequence; it will make the KVM think the mouse is IntelliMouse 5567 * when it is in fact IntelliMouse Explorer. 5568 */ 5569 for (i = 0; i < nitems(rate0); ++i) 5570 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5571 break; 5572 get_aux_id(kbdc); 5573 5574 return (TRUE); 5575 } 5576 5577 /* 5578 * MS IntelliMouse 5579 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5580 * probe routine and act like IntelliMouse. 5581 */ 5582 static int 5583 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5584 { 5585 KBDC kbdc = sc->kbdc; 5586 static u_char rate[] = { 200, 100, 80, }; 5587 int id; 5588 int i; 5589 5590 /* the special sequence to enable the third button and the roller. */ 5591 for (i = 0; i < nitems(rate); ++i) 5592 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5593 return (FALSE); 5594 /* the device will give the genuine ID only after the above sequence */ 5595 id = get_aux_id(kbdc); 5596 if (id != PSM_INTELLI_ID) 5597 return (FALSE); 5598 5599 if (arg == PROBE) { 5600 sc->hw.buttons = 3; 5601 sc->hw.hwid = id; 5602 } 5603 5604 return (TRUE); 5605 } 5606 5607 /* 5608 * A4 Tech 4D Mouse 5609 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5610 */ 5611 static int 5612 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5613 { 5614 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5615 KBDC kbdc = sc->kbdc; 5616 int id; 5617 int i; 5618 5619 for (i = 0; i < nitems(rate); ++i) 5620 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5621 return (FALSE); 5622 id = get_aux_id(kbdc); 5623 /* 5624 * WinEasy 4D, 4 Way Scroll 4D: 6 5625 * Cable-Free 4D: 8 (4DPLUS) 5626 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5627 */ 5628 if (id != PSM_4DMOUSE_ID) 5629 return (FALSE); 5630 5631 if (arg == PROBE) { 5632 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5633 sc->hw.hwid = id; 5634 } 5635 5636 return (TRUE); 5637 } 5638 5639 /* 5640 * A4 Tech 4D+ Mouse 5641 * Newer wheel mice from A4 Tech seem to use this protocol. 5642 * Older models are recognized as either 4D Mouse or IntelliMouse. 5643 */ 5644 static int 5645 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5646 { 5647 KBDC kbdc = sc->kbdc; 5648 int id; 5649 5650 /* 5651 * enable_4dmouse() already issued the following ID sequence... 5652 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5653 int i; 5654 5655 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5656 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5657 return (FALSE); 5658 */ 5659 5660 id = get_aux_id(kbdc); 5661 switch (id) { 5662 case PSM_4DPLUS_ID: 5663 break; 5664 case PSM_4DPLUS_RFSW35_ID: 5665 break; 5666 default: 5667 return (FALSE); 5668 } 5669 5670 if (arg == PROBE) { 5671 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5672 sc->hw.hwid = id; 5673 } 5674 5675 return (TRUE); 5676 } 5677 5678 /* Synaptics Touchpad */ 5679 static int 5680 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5681 { 5682 struct psm_softc *sc; 5683 int error, arg; 5684 5685 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5686 oidp->oid_arg2 > SYNAPTICS_SYSCTL_LAST) 5687 return (EINVAL); 5688 5689 sc = oidp->oid_arg1; 5690 5691 /* Read the current value. */ 5692 arg = *(int *)((char *)sc + oidp->oid_arg2); 5693 error = sysctl_handle_int(oidp, &arg, 0, req); 5694 5695 /* Sanity check. */ 5696 if (error || !req->newptr) 5697 return (error); 5698 5699 /* 5700 * Check that the new value is in the concerned node's range 5701 * of values. 5702 */ 5703 switch (oidp->oid_arg2) { 5704 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5705 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5706 if (arg < 0 || arg > 255) 5707 return (EINVAL); 5708 break; 5709 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5710 if (arg < 4 || arg > 15) 5711 return (EINVAL); 5712 break; 5713 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5714 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5715 case SYNAPTICS_SYSCTL_NA_TOP: 5716 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5717 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5718 return (EINVAL); 5719 break; 5720 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5721 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5722 /* Softbuttons is clickpad only feature */ 5723 if (!sc->synhw.capClickPad && arg != 0) 5724 return (EINVAL); 5725 /* FALLTHROUGH */ 5726 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5727 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5728 case SYNAPTICS_SYSCTL_NA_RIGHT: 5729 case SYNAPTICS_SYSCTL_NA_LEFT: 5730 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5731 return (EINVAL); 5732 break; 5733 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5734 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5735 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5736 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5737 return (EINVAL); 5738 break; 5739 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5740 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5741 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5742 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5743 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5744 case SYNAPTICS_SYSCTL_DIV_MIN: 5745 case SYNAPTICS_SYSCTL_DIV_MAX: 5746 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5747 case SYNAPTICS_SYSCTL_DIV_LEN: 5748 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5749 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5750 if (arg < 1) 5751 return (EINVAL); 5752 break; 5753 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5754 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5755 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5756 if (arg < 0) 5757 return (EINVAL); 5758 break; 5759 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5760 if (arg < -sc->synhw.maximumXCoord || 5761 arg > sc->synhw.maximumXCoord) 5762 return (EINVAL); 5763 break; 5764 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5765 /* Softbuttons is clickpad only feature */ 5766 if (!sc->synhw.capClickPad && arg != 0) 5767 return (EINVAL); 5768 /* FALLTHROUGH */ 5769 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5770 if (arg < -sc->synhw.maximumYCoord || 5771 arg > sc->synhw.maximumYCoord) 5772 return (EINVAL); 5773 break; 5774 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5775 case SYNAPTICS_SYSCTL_THREE_FINGER_DRAG: 5776 case SYNAPTICS_SYSCTL_NATURAL_SCROLL: 5777 if (arg < 0 || arg > 1) 5778 return (EINVAL); 5779 break; 5780 default: 5781 return (EINVAL); 5782 } 5783 5784 /* Update. */ 5785 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5786 5787 return (error); 5788 } 5789 5790 static void 5791 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5792 { 5793 /* 5794 * Set predefined sizes for softbuttons. 5795 * Values are taken to match HP Pavilion dv6 clickpad drawings 5796 * with thin middle softbutton placed on separator 5797 */ 5798 5799 /* hw.psm.synaptics.softbuttons_y */ 5800 sc->syninfo.softbuttons_y = sc->synhw.topButtonPad ? -1700 : 1700; 5801 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5802 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5803 "softbuttons_y", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5804 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5805 synaptics_sysctl, "I", 5806 "Vertical size of softbuttons area"); 5807 5808 /* hw.psm.synaptics.softbutton2_x */ 5809 sc->syninfo.softbutton2_x = 3100; 5810 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5811 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5812 "softbutton2_x", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5813 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5814 synaptics_sysctl, "I", 5815 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5816 5817 /* hw.psm.synaptics.softbutton3_x */ 5818 sc->syninfo.softbutton3_x = 3900; 5819 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5820 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5821 "softbutton3_x", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5822 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5823 synaptics_sysctl, "I", 5824 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5825 } 5826 5827 static void 5828 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5829 const char *descr) 5830 { 5831 5832 if (sc->syninfo.sysctl_tree != NULL) 5833 return; 5834 5835 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5836 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5837 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5838 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, CTLFLAG_RD, 5839 0, descr); 5840 5841 /* hw.psm.synaptics.directional_scrolls. */ 5842 sc->syninfo.directional_scrolls = 0; 5843 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5844 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5845 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5846 &sc->syninfo.directional_scrolls, 0, 5847 "Enable hardware scrolling pad (if non-zero) or register it as " 5848 "extended buttons (if 0)"); 5849 5850 /* hw.psm.synaptics.max_x. */ 5851 sc->syninfo.max_x = 6143; 5852 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5853 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5854 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5855 &sc->syninfo.max_x, 0, 5856 "Horizontal reporting range"); 5857 5858 /* hw.psm.synaptics.max_y. */ 5859 sc->syninfo.max_y = 6143; 5860 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5861 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5862 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5863 &sc->syninfo.max_y, 0, 5864 "Vertical reporting range"); 5865 5866 /* 5867 * Turn off two finger scroll if we have a 5868 * physical area reserved for scrolling or when 5869 * there's no multi finger support. 5870 */ 5871 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5872 sc->synhw.capAdvancedGestures == 0)) 5873 sc->syninfo.two_finger_scroll = 0; 5874 else 5875 sc->syninfo.two_finger_scroll = 1; 5876 /* hw.psm.synaptics.two_finger_scroll. */ 5877 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5878 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5879 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5880 &sc->syninfo.two_finger_scroll, 0, 5881 "Enable two finger scrolling"); 5882 5883 /* hw.psm.synaptics.min_pressure. */ 5884 sc->syninfo.min_pressure = 32; 5885 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5886 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5887 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5888 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5889 synaptics_sysctl, "I", 5890 "Minimum pressure required to start an action"); 5891 5892 /* hw.psm.synaptics.max_pressure. */ 5893 sc->syninfo.max_pressure = 220; 5894 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5895 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5896 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5897 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5898 synaptics_sysctl, "I", 5899 "Maximum pressure to detect palm"); 5900 5901 /* hw.psm.synaptics.max_width. */ 5902 sc->syninfo.max_width = 10; 5903 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5904 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5905 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5906 sc, SYNAPTICS_SYSCTL_MAX_WIDTH, 5907 synaptics_sysctl, "I", 5908 "Maximum finger width to detect palm"); 5909 5910 /* hw.psm.synaptics.top_margin. */ 5911 sc->syninfo.margin_top = 200; 5912 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5913 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5914 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5915 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5916 synaptics_sysctl, "I", 5917 "Top margin"); 5918 5919 /* hw.psm.synaptics.right_margin. */ 5920 sc->syninfo.margin_right = 200; 5921 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5922 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5923 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5924 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5925 synaptics_sysctl, "I", 5926 "Right margin"); 5927 5928 /* hw.psm.synaptics.bottom_margin. */ 5929 sc->syninfo.margin_bottom = 200; 5930 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5931 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5932 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5933 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5934 synaptics_sysctl, "I", 5935 "Bottom margin"); 5936 5937 /* hw.psm.synaptics.left_margin. */ 5938 sc->syninfo.margin_left = 200; 5939 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5940 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5941 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5942 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5943 synaptics_sysctl, "I", 5944 "Left margin"); 5945 5946 /* hw.psm.synaptics.na_top. */ 5947 sc->syninfo.na_top = 1783; 5948 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5949 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5950 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5951 sc, SYNAPTICS_SYSCTL_NA_TOP, 5952 synaptics_sysctl, "I", 5953 "Top noisy area, where weight_previous_na is used instead " 5954 "of weight_previous"); 5955 5956 /* hw.psm.synaptics.na_right. */ 5957 sc->syninfo.na_right = 563; 5958 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5959 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5960 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5961 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 5962 synaptics_sysctl, "I", 5963 "Right noisy area, where weight_previous_na is used instead " 5964 "of weight_previous"); 5965 5966 /* hw.psm.synaptics.na_bottom. */ 5967 sc->syninfo.na_bottom = 1408; 5968 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5969 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5970 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5971 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 5972 synaptics_sysctl, "I", 5973 "Bottom noisy area, where weight_previous_na is used instead " 5974 "of weight_previous"); 5975 5976 /* hw.psm.synaptics.na_left. */ 5977 sc->syninfo.na_left = 1600; 5978 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5979 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5980 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5981 sc, SYNAPTICS_SYSCTL_NA_LEFT, 5982 synaptics_sysctl, "I", 5983 "Left noisy area, where weight_previous_na is used instead " 5984 "of weight_previous"); 5985 5986 /* hw.psm.synaptics.window_min. */ 5987 sc->syninfo.window_min = 4; 5988 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5989 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5990 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5991 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 5992 synaptics_sysctl, "I", 5993 "Minimum window size to start an action"); 5994 5995 /* hw.psm.synaptics.window_max. */ 5996 sc->syninfo.window_max = 10; 5997 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5998 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5999 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6000 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 6001 synaptics_sysctl, "I", 6002 "Maximum window size"); 6003 6004 /* hw.psm.synaptics.multiplicator. */ 6005 sc->syninfo.multiplicator = 10000; 6006 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6007 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6008 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6009 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 6010 synaptics_sysctl, "I", 6011 "Multiplicator to increase precision in averages and divisions"); 6012 6013 /* hw.psm.synaptics.weight_current. */ 6014 sc->syninfo.weight_current = 3; 6015 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6016 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6017 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6018 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 6019 synaptics_sysctl, "I", 6020 "Weight of the current movement in the new average"); 6021 6022 /* hw.psm.synaptics.weight_previous. */ 6023 sc->syninfo.weight_previous = 6; 6024 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6025 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6026 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6027 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 6028 synaptics_sysctl, "I", 6029 "Weight of the previous average"); 6030 6031 /* hw.psm.synaptics.weight_previous_na. */ 6032 sc->syninfo.weight_previous_na = 20; 6033 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6034 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6035 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6036 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 6037 synaptics_sysctl, "I", 6038 "Weight of the previous average (inside the noisy area)"); 6039 6040 /* hw.psm.synaptics.weight_len_squared. */ 6041 sc->syninfo.weight_len_squared = 2000; 6042 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6043 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6044 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6045 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 6046 synaptics_sysctl, "I", 6047 "Length (squared) of segments where weight_previous " 6048 "starts to decrease"); 6049 6050 /* hw.psm.synaptics.div_min. */ 6051 sc->syninfo.div_min = 9; 6052 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6053 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6054 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6055 sc, SYNAPTICS_SYSCTL_DIV_MIN, 6056 synaptics_sysctl, "I", 6057 "Divisor for fast movements"); 6058 6059 /* hw.psm.synaptics.div_max. */ 6060 sc->syninfo.div_max = 17; 6061 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6062 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6063 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6064 sc, SYNAPTICS_SYSCTL_DIV_MAX, 6065 synaptics_sysctl, "I", 6066 "Divisor for slow movements"); 6067 6068 /* hw.psm.synaptics.div_max_na. */ 6069 sc->syninfo.div_max_na = 30; 6070 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6071 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6072 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6073 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 6074 synaptics_sysctl, "I", 6075 "Divisor with slow movements (inside the noisy area)"); 6076 6077 /* hw.psm.synaptics.div_len. */ 6078 sc->syninfo.div_len = 100; 6079 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6080 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6081 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6082 sc, SYNAPTICS_SYSCTL_DIV_LEN, 6083 synaptics_sysctl, "I", 6084 "Length of segments where div_max starts to decrease"); 6085 6086 /* hw.psm.synaptics.tap_max_delta. */ 6087 sc->syninfo.tap_max_delta = 80; 6088 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6089 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6090 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6091 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 6092 synaptics_sysctl, "I", 6093 "Length of segments above which a tap is ignored"); 6094 6095 /* hw.psm.synaptics.tap_min_queue. */ 6096 sc->syninfo.tap_min_queue = 2; 6097 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6098 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6099 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6100 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 6101 synaptics_sysctl, "I", 6102 "Number of packets required to consider a tap"); 6103 6104 /* hw.psm.synaptics.taphold_timeout. */ 6105 sc->gesture.in_taphold = 0; 6106 sc->syninfo.taphold_timeout = tap_timeout; 6107 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6108 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6109 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6110 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 6111 synaptics_sysctl, "I", 6112 "Maximum elapsed time between two taps to consider a tap-hold " 6113 "action"); 6114 6115 /* hw.psm.synaptics.vscroll_hor_area. */ 6116 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 6117 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6118 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6119 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6120 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 6121 synaptics_sysctl, "I", 6122 "Area reserved for horizontal virtual scrolling"); 6123 6124 /* hw.psm.synaptics.vscroll_ver_area. */ 6125 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 6126 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6127 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6128 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6129 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 6130 synaptics_sysctl, "I", 6131 "Area reserved for vertical virtual scrolling"); 6132 6133 /* hw.psm.synaptics.vscroll_min_delta. */ 6134 sc->syninfo.vscroll_min_delta = 50; 6135 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6136 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6137 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6138 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 6139 synaptics_sysctl, "I", 6140 "Minimum movement to consider virtual scrolling"); 6141 6142 /* hw.psm.synaptics.vscroll_div_min. */ 6143 sc->syninfo.vscroll_div_min = 100; 6144 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6145 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6146 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6147 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 6148 synaptics_sysctl, "I", 6149 "Divisor for fast scrolling"); 6150 6151 /* hw.psm.synaptics.vscroll_div_min. */ 6152 sc->syninfo.vscroll_div_max = 150; 6153 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6154 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6155 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6156 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 6157 synaptics_sysctl, "I", 6158 "Divisor for slow scrolling"); 6159 6160 /* hw.psm.synaptics.touchpad_off. */ 6161 sc->syninfo.touchpad_off = 0; 6162 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6163 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6164 "touchpad_off", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6165 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 6166 synaptics_sysctl, "I", 6167 "Turn off touchpad"); 6168 6169 sc->syninfo.three_finger_drag = 0; 6170 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6171 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6172 "three_finger_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6173 sc, SYNAPTICS_SYSCTL_THREE_FINGER_DRAG, 6174 synaptics_sysctl, "I", 6175 "Enable dragging with three fingers"); 6176 6177 /* hw.psm.synaptics.natural_scroll. */ 6178 sc->syninfo.natural_scroll = 0; 6179 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6180 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6181 "natural_scroll", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6182 sc, SYNAPTICS_SYSCTL_NATURAL_SCROLL, 6183 synaptics_sysctl, "I", 6184 "Enable natural scrolling"); 6185 6186 sc->syninfo.softbuttons_y = 0; 6187 sc->syninfo.softbutton2_x = 0; 6188 sc->syninfo.softbutton3_x = 0; 6189 6190 /* skip softbuttons sysctl on not clickpads */ 6191 if (sc->synhw.capClickPad) 6192 synaptics_sysctl_create_softbuttons_tree(sc); 6193 } 6194 6195 static int 6196 synaptics_preferred_mode(struct psm_softc *sc) { 6197 int mode_byte; 6198 6199 /* Check if we are in relative mode */ 6200 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 6201 if (tap_enabled == 0) 6202 /* 6203 * Disable tap & drag gestures. We use a Mode Byte 6204 * and set the DisGest bit (see §2.5 of Synaptics 6205 * TouchPad Interfacing Guide). 6206 */ 6207 return (0x04); 6208 else 6209 /* 6210 * Enable tap & drag gestures. We use a Mode Byte 6211 * and clear the DisGest bit (see §2.5 of Synaptics 6212 * TouchPad Interfacing Guide). 6213 */ 6214 return (0x00); 6215 } 6216 6217 mode_byte = 0xc4; 6218 6219 /* request wmode where available */ 6220 if (sc->synhw.capExtended) 6221 mode_byte |= 1; 6222 6223 return mode_byte; 6224 } 6225 6226 static void 6227 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 6228 mouse_ext_command(sc->kbdc, mode_byte); 6229 6230 /* "Commit" the Set Mode Byte command sent above. */ 6231 set_mouse_sampling_rate(sc->kbdc, 20); 6232 6233 /* 6234 * Enable advanced gestures mode if supported and we are not entering 6235 * passthrough or relative mode. 6236 */ 6237 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 6238 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 6239 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODEL_ID); 6240 set_mouse_sampling_rate(sc->kbdc, 0xc8); 6241 } 6242 } 6243 6244 /* 6245 * AUX MUX detection code should be placed at very beginning of probe sequence 6246 * at least before 4-byte protocol mouse probes e.g. MS IntelliMouse probe as 6247 * latter can trigger switching the MUX to incompatible state. 6248 */ 6249 static int 6250 enable_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6251 { 6252 KBDC kbdc = sc->kbdc; 6253 int port, version; 6254 int probe = FALSE; 6255 int active_ports_count = 0; 6256 int active_ports_mask = 0; 6257 6258 version = enable_aux_mux(kbdc); 6259 if (version == -1) 6260 return (FALSE); 6261 6262 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6263 VLOG(3, (LOG_DEBUG, "aux_mux: ping port %d\n", port)); 6264 set_active_aux_mux_port(kbdc, port); 6265 if (enable_aux_dev(kbdc) && disable_aux_dev(kbdc)) { 6266 active_ports_count++; 6267 active_ports_mask |= 1 << port; 6268 } 6269 } 6270 6271 if (verbose >= 2) 6272 printf("Active Multiplexing PS/2 controller v%d.%d with %d " 6273 "active port(s)\n", version >> 4 & 0x0f, version & 0x0f, 6274 active_ports_count); 6275 6276 /* psm has a special support for GenMouse + SynTouchpad combination */ 6277 if (active_ports_count >= 2) { 6278 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6279 if ((active_ports_mask & 1 << port) == 0) 6280 continue; 6281 VLOG(3, (LOG_DEBUG, "aux_mux: probe port %d\n", port)); 6282 set_active_aux_mux_port(kbdc, port); 6283 probe = enable_synaptics(sc, arg); 6284 if (probe) { 6285 if (arg == PROBE) 6286 sc->muxport = port; 6287 break; 6288 } 6289 } 6290 } 6291 6292 /* IRQ handler does not support active multiplexing mode */ 6293 disable_aux_mux(kbdc); 6294 6295 return (probe); 6296 } 6297 6298 static int 6299 enable_synaptics(struct psm_softc *sc, enum probearg arg) 6300 { 6301 device_t psmcpnp; 6302 struct psmcpnp_softc *psmcpnp_sc; 6303 KBDC kbdc = sc->kbdc; 6304 synapticshw_t synhw; 6305 int status[3]; 6306 int buttons; 6307 6308 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6309 6310 /* 6311 * Just to be on the safe side: this avoids troubles with 6312 * following mouse_ext_command() when the previous command 6313 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6314 * Synaptics Touchpad behaviour. 6315 */ 6316 set_mouse_scaling(kbdc, 1); 6317 6318 /* Identify the Touchpad version. */ 6319 if (mouse_ext_command(kbdc, SYNAPTICS_READ_IDENTITY) == 0) 6320 return (FALSE); 6321 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6322 return (FALSE); 6323 if (status[1] != 0x47) 6324 return (FALSE); 6325 6326 bzero(&synhw, sizeof(synhw)); 6327 synhw.infoMinor = status[0]; 6328 synhw.infoMajor = status[2] & 0x0f; 6329 6330 if (verbose >= 2) 6331 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6332 synhw.infoMinor); 6333 6334 if (synhw.infoMajor < 4) { 6335 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6336 return (FALSE); 6337 } 6338 6339 /* Get the Touchpad model information. */ 6340 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODEL_ID) == 0) 6341 return (FALSE); 6342 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6343 return (FALSE); 6344 if ((status[1] & 0x01) != 0) { 6345 printf(" Failed to read model information\n"); 6346 return (FALSE); 6347 } 6348 6349 synhw.infoRot180 = (status[0] & 0x80) != 0; 6350 synhw.infoPortrait = (status[0] & 0x40) != 0; 6351 synhw.infoSensor = status[0] & 0x3f; 6352 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6353 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6354 synhw.capPen = (status[2] & 0x40) != 0; 6355 synhw.infoSimplC = (status[2] & 0x20) != 0; 6356 synhw.infoGeometry = status[2] & 0x0f; 6357 6358 if (verbose >= 2) { 6359 printf(" Model information:\n"); 6360 printf(" infoRot180: %d\n", synhw.infoRot180); 6361 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6362 printf(" infoSensor: %d\n", synhw.infoSensor); 6363 printf(" infoHardware: %d\n", synhw.infoHardware); 6364 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6365 printf(" capPen: %d\n", synhw.capPen); 6366 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6367 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6368 } 6369 6370 /* Read the extended capability bits. */ 6371 if (mouse_ext_command(kbdc, SYNAPTICS_READ_CAPABILITIES) == 0) 6372 return (FALSE); 6373 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6374 return (FALSE); 6375 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6376 printf(" Failed to read extended capability bits\n"); 6377 return (FALSE); 6378 } 6379 6380 psmcpnp = devclass_get_device(devclass_find(PSMCPNP_DRIVER_NAME), 6381 sc->unit); 6382 psmcpnp_sc = (psmcpnp != NULL) ? device_get_softc(psmcpnp) : NULL; 6383 6384 /* Set the different capabilities when they exist. */ 6385 buttons = 0; 6386 synhw.capExtended = (status[0] & 0x80) != 0; 6387 if (synhw.capExtended) { 6388 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6389 synhw.capMiddle = (status[0] & 0x04) != 0; 6390 synhw.capPassthrough = (status[2] & 0x80) != 0; 6391 synhw.capLowPower = (status[2] & 0x40) != 0; 6392 synhw.capMultiFingerReport = 6393 (status[2] & 0x20) != 0; 6394 synhw.capSleep = (status[2] & 0x10) != 0; 6395 synhw.capFourButtons = (status[2] & 0x08) != 0; 6396 synhw.capBallistics = (status[2] & 0x04) != 0; 6397 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6398 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6399 6400 if (!set_mouse_scaling(kbdc, 1)) 6401 return (FALSE); 6402 if (mouse_ext_command(kbdc, SYNAPTICS_READ_RESOLUTIONS) == 0) 6403 return (FALSE); 6404 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6405 return (FALSE); 6406 6407 if (status[0] != 0 && (status[1] & 0x80) && status[2] != 0) { 6408 synhw.infoXupmm = status[0]; 6409 synhw.infoYupmm = status[2]; 6410 } 6411 6412 if (verbose >= 2) { 6413 printf(" Extended capabilities:\n"); 6414 printf(" capExtended: %d\n", synhw.capExtended); 6415 printf(" capMiddle: %d\n", synhw.capMiddle); 6416 printf(" nExtendedQueries: %d\n", 6417 synhw.nExtendedQueries); 6418 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6419 printf(" capLowPower: %d\n", synhw.capLowPower); 6420 printf(" capMultiFingerReport: %d\n", 6421 synhw.capMultiFingerReport); 6422 printf(" capSleep: %d\n", synhw.capSleep); 6423 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6424 printf(" capBallistics: %d\n", synhw.capBallistics); 6425 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6426 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6427 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6428 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6429 } 6430 6431 /* 6432 * If nExtendedQueries is 1 or greater, then the TouchPad 6433 * supports this number of extended queries. We can load 6434 * more information about buttons using query 0x09. 6435 */ 6436 if (synhw.nExtendedQueries >= 1) { 6437 if (!set_mouse_scaling(kbdc, 1)) 6438 return (FALSE); 6439 if (mouse_ext_command(kbdc, 6440 SYNAPTICS_READ_EXTENDED) == 0) 6441 return (FALSE); 6442 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6443 return (FALSE); 6444 synhw.verticalScroll = (status[0] & 0x01) != 0; 6445 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6446 synhw.verticalWheel = (status[0] & 0x08) != 0; 6447 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6448 synhw.capEWmode = (status[0] & 0x04) != 0; 6449 if (verbose >= 2) { 6450 printf(" Extended model ID:\n"); 6451 printf(" verticalScroll: %d\n", 6452 synhw.verticalScroll); 6453 printf(" horizontalScroll: %d\n", 6454 synhw.horizontalScroll); 6455 printf(" verticalWheel: %d\n", 6456 synhw.verticalWheel); 6457 printf(" nExtendedButtons: %d\n", 6458 synhw.nExtendedButtons); 6459 printf(" capEWmode: %d\n", 6460 synhw.capEWmode); 6461 } 6462 /* 6463 * Add the number of extended buttons to the total 6464 * button support count, including the middle button 6465 * if capMiddle support bit is set. 6466 */ 6467 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6468 } else 6469 /* 6470 * If the capFourButtons support bit is set, 6471 * add a fourth button to the total button count. 6472 */ 6473 buttons = synhw.capFourButtons ? 1 : 0; 6474 6475 /* Read the continued capabilities bits. */ 6476 if (synhw.nExtendedQueries >= 4) { 6477 if (!set_mouse_scaling(kbdc, 1)) 6478 return (FALSE); 6479 if (mouse_ext_command(kbdc, 6480 SYNAPTICS_READ_CAPABILITIES_CONT) == 0) 6481 return (FALSE); 6482 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6483 return (FALSE); 6484 6485 synhw.capClickPad = (status[1] & 0x01) << 1; 6486 synhw.capClickPad |= (status[0] & 0x10) != 0; 6487 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6488 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6489 synhw.capReportsV = (status[1] & 0x08) != 0; 6490 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6491 synhw.capReportsMin = (status[1] & 0x20) != 0; 6492 synhw.capInterTouch = (status[1] & 0x40) != 0; 6493 synhw.capReportsMax = (status[0] & 0x02) != 0; 6494 synhw.capClearPad = (status[0] & 0x04) != 0; 6495 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6496 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6497 6498 if (synhw.capReportsMax) { 6499 if (!set_mouse_scaling(kbdc, 1)) 6500 return (FALSE); 6501 if (mouse_ext_command(kbdc, 6502 SYNAPTICS_READ_MAX_COORDS) == 0) 6503 return (FALSE); 6504 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6505 return (FALSE); 6506 6507 synhw.maximumXCoord = (status[0] << 5) | 6508 ((status[1] & 0x0f) << 1); 6509 synhw.maximumYCoord = (status[2] << 5) | 6510 ((status[1] & 0xf0) >> 3); 6511 } else { 6512 /* 6513 * Typical bezel limits. Taken from 'Synaptics 6514 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6515 */ 6516 synhw.maximumXCoord = 5472; 6517 synhw.maximumYCoord = 4448; 6518 } 6519 6520 if (synhw.capReportsMin) { 6521 if (!set_mouse_scaling(kbdc, 1)) 6522 return (FALSE); 6523 if (mouse_ext_command(kbdc, 6524 SYNAPTICS_READ_MIN_COORDS) == 0) 6525 return (FALSE); 6526 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6527 return (FALSE); 6528 6529 synhw.minimumXCoord = (status[0] << 5) | 6530 ((status[1] & 0x0f) << 1); 6531 synhw.minimumYCoord = (status[2] << 5) | 6532 ((status[1] & 0xf0) >> 3); 6533 } else { 6534 /* 6535 * Typical bezel limits. Taken from 'Synaptics 6536 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6537 */ 6538 synhw.minimumXCoord = 1472; 6539 synhw.minimumYCoord = 1408; 6540 } 6541 6542 /* 6543 * ClickPad properties are not exported through PS/2 6544 * protocol. Detection is based on controller's PnP ID. 6545 */ 6546 if (synhw.capClickPad && psmcpnp_sc != NULL) { 6547 switch (psmcpnp_sc->type) { 6548 case PSMCPNP_FORCEPAD: 6549 synhw.forcePad = 1; 6550 break; 6551 case PSMCPNP_TOPBUTTONPAD: 6552 synhw.topButtonPad = 1; 6553 break; 6554 default: 6555 break; 6556 } 6557 } 6558 6559 if (verbose >= 2) { 6560 printf(" Continued capabilities:\n"); 6561 printf(" capClickPad: %d\n", 6562 synhw.capClickPad); 6563 printf(" capDeluxeLEDs: %d\n", 6564 synhw.capDeluxeLEDs); 6565 printf(" noAbsoluteFilter: %d\n", 6566 synhw.noAbsoluteFilter); 6567 printf(" capReportsV: %d\n", 6568 synhw.capReportsV); 6569 printf(" capUniformClickPad: %d\n", 6570 synhw.capUniformClickPad); 6571 printf(" capReportsMin: %d\n", 6572 synhw.capReportsMin); 6573 printf(" capInterTouch: %d\n", 6574 synhw.capInterTouch); 6575 printf(" capReportsMax: %d\n", 6576 synhw.capReportsMax); 6577 printf(" capClearPad: %d\n", 6578 synhw.capClearPad); 6579 printf(" capAdvancedGestures: %d\n", 6580 synhw.capAdvancedGestures); 6581 printf(" capCoveredPad: %d\n", 6582 synhw.capCoveredPad); 6583 if (synhw.capReportsMax) { 6584 printf(" maximumXCoord: %d\n", 6585 synhw.maximumXCoord); 6586 printf(" maximumYCoord: %d\n", 6587 synhw.maximumYCoord); 6588 } 6589 if (synhw.capReportsMin) { 6590 printf(" minimumXCoord: %d\n", 6591 synhw.minimumXCoord); 6592 printf(" minimumYCoord: %d\n", 6593 synhw.minimumYCoord); 6594 } 6595 if (synhw.capClickPad) { 6596 printf(" Clickpad capabilities:\n"); 6597 printf(" forcePad: %d\n", 6598 synhw.forcePad); 6599 printf(" topButtonPad: %d\n", 6600 synhw.topButtonPad); 6601 } 6602 } 6603 buttons += synhw.capClickPad; 6604 } 6605 } 6606 6607 if (verbose >= 2) { 6608 if (synhw.capExtended) 6609 printf(" Additional Buttons: %d\n", buttons); 6610 else 6611 printf(" No extended capabilities\n"); 6612 } 6613 6614 /* 6615 * Add the default number of 3 buttons to the total 6616 * count of supported buttons reported above. 6617 */ 6618 buttons += 3; 6619 6620 /* 6621 * Read the mode byte. 6622 * 6623 * XXX: Note the Synaptics documentation also defines the first 6624 * byte of the response to this query to be a constant 0x3b, this 6625 * does not appear to be true for Touchpads with guest devices. 6626 */ 6627 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODES) == 0) 6628 return (FALSE); 6629 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6630 return (FALSE); 6631 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6632 printf(" Failed to read mode byte\n"); 6633 return (FALSE); 6634 } 6635 6636 if (arg == PROBE) 6637 sc->synhw = synhw; 6638 if (!synaptics_support) 6639 return (FALSE); 6640 6641 /* Set mouse type just now for synaptics_set_mode() */ 6642 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6643 6644 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6645 6646 if (trackpoint_support && synhw.capPassthrough) { 6647 enable_trackpoint(sc, arg); 6648 } 6649 6650 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6651 6652 if (arg == PROBE) { 6653 /* Create sysctl tree. */ 6654 synaptics_sysctl_create_tree(sc, "synaptics", 6655 "Synaptics TouchPad"); 6656 sc->hw.buttons = buttons; 6657 } 6658 6659 return (TRUE); 6660 } 6661 6662 static void 6663 synaptics_passthrough_on(struct psm_softc *sc) 6664 { 6665 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6666 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6667 } 6668 6669 static void 6670 synaptics_passthrough_off(struct psm_softc *sc) 6671 { 6672 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6673 set_mouse_scaling(sc->kbdc, 2); 6674 set_mouse_scaling(sc->kbdc, 1); 6675 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6676 } 6677 6678 /* IBM/Lenovo TrackPoint */ 6679 static int 6680 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6681 { 6682 const int seq[] = { 0xe2, cmd, loc, val }; 6683 int i; 6684 6685 if (sc->synhw.capPassthrough) 6686 synaptics_passthrough_on(sc); 6687 6688 for (i = 0; i < nitems(seq); i++) { 6689 if (sc->synhw.capPassthrough && 6690 (seq[i] == 0xff || seq[i] == 0xe7)) 6691 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6692 synaptics_passthrough_off(sc); 6693 return (EIO); 6694 } 6695 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6696 if (sc->synhw.capPassthrough) 6697 synaptics_passthrough_off(sc); 6698 return (EIO); 6699 } 6700 } 6701 6702 if (sc->synhw.capPassthrough) 6703 synaptics_passthrough_off(sc); 6704 6705 return (0); 6706 } 6707 6708 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6709 #define TPMASK 0 6710 #define TPLOC 1 6711 #define TPINFO 2 6712 6713 static int 6714 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6715 { 6716 static const int data[][3] = { 6717 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6718 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6719 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6720 { 0x00, 0x57, PSM_TPINFO(reach) }, 6721 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6722 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6723 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6724 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6725 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6726 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6727 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6728 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6729 }; 6730 struct psm_softc *sc; 6731 int error, newval, *oldvalp; 6732 const int *tp; 6733 6734 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6735 return (EINVAL); 6736 sc = arg1; 6737 tp = data[arg2]; 6738 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6739 newval = *oldvalp; 6740 error = sysctl_handle_int(oidp, &newval, 0, req); 6741 if (error != 0) 6742 return (error); 6743 if (newval == *oldvalp) 6744 return (0); 6745 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6746 return (EINVAL); 6747 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6748 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6749 if (error != 0) 6750 return (error); 6751 *oldvalp = newval; 6752 6753 return (0); 6754 } 6755 6756 static void 6757 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6758 { 6759 6760 if (sc->tpinfo.sysctl_tree != NULL) 6761 return; 6762 6763 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6764 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6765 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6766 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 6767 0, "IBM/Lenovo TrackPoint"); 6768 6769 /* hw.psm.trackpoint.sensitivity */ 6770 sc->tpinfo.sensitivity = 0x80; 6771 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6772 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6773 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6774 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6775 trackpoint_sysctl, "I", 6776 "Sensitivity"); 6777 6778 /* hw.psm.trackpoint.negative_inertia */ 6779 sc->tpinfo.inertia = 0x06; 6780 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6781 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6782 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6783 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6784 trackpoint_sysctl, "I", 6785 "Negative inertia factor"); 6786 6787 /* hw.psm.trackpoint.upper_plateau */ 6788 sc->tpinfo.uplateau = 0x61; 6789 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6790 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6791 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6792 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6793 trackpoint_sysctl, "I", 6794 "Transfer function upper plateau speed"); 6795 6796 /* hw.psm.trackpoint.backup_range */ 6797 sc->tpinfo.reach = 0x0a; 6798 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6799 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6800 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6801 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6802 trackpoint_sysctl, "I", 6803 "Backup range"); 6804 6805 /* hw.psm.trackpoint.drag_hysteresis */ 6806 sc->tpinfo.draghys = 0xff; 6807 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6808 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6809 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6810 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6811 trackpoint_sysctl, "I", 6812 "Drag hysteresis"); 6813 6814 /* hw.psm.trackpoint.minimum_drag */ 6815 sc->tpinfo.mindrag = 0x14; 6816 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6817 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6818 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6819 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6820 trackpoint_sysctl, "I", 6821 "Minimum drag"); 6822 6823 /* hw.psm.trackpoint.up_threshold */ 6824 sc->tpinfo.upthresh = 0xff; 6825 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6826 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6827 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6828 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6829 trackpoint_sysctl, "I", 6830 "Up threshold for release"); 6831 6832 /* hw.psm.trackpoint.threshold */ 6833 sc->tpinfo.threshold = 0x08; 6834 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6835 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6836 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6837 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6838 trackpoint_sysctl, "I", 6839 "Threshold"); 6840 6841 /* hw.psm.trackpoint.jenks_curvature */ 6842 sc->tpinfo.jenks = 0x87; 6843 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6844 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6845 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6846 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6847 trackpoint_sysctl, "I", 6848 "Jenks curvature"); 6849 6850 /* hw.psm.trackpoint.z_time */ 6851 sc->tpinfo.ztime = 0x26; 6852 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6853 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6854 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6855 sc, TRACKPOINT_SYSCTL_Z_TIME, 6856 trackpoint_sysctl, "I", 6857 "Z time constant"); 6858 6859 /* hw.psm.trackpoint.press_to_select */ 6860 sc->tpinfo.pts = 0x00; 6861 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6862 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6863 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6864 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6865 trackpoint_sysctl, "I", 6866 "Press to Select"); 6867 6868 /* hw.psm.trackpoint.skip_backups */ 6869 sc->tpinfo.skipback = 0x00; 6870 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6871 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6872 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6873 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6874 trackpoint_sysctl, "I", 6875 "Skip backups from drags"); 6876 } 6877 6878 static void 6879 set_trackpoint_parameters(struct psm_softc *sc) 6880 { 6881 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6882 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6883 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6884 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6885 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6886 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6887 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6888 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6889 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6890 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6891 if (sc->tpinfo.pts == 0x01) 6892 trackpoint_command(sc, 0x47, 0x2c, 0x01); 6893 if (sc->tpinfo.skipback == 0x01) 6894 trackpoint_command(sc, 0x47, 0x2d, 0x08); 6895 } 6896 6897 static int 6898 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 6899 { 6900 KBDC kbdc = sc->kbdc; 6901 int id; 6902 6903 /* 6904 * If called from enable_synaptics(), make sure that passthrough 6905 * mode is enabled so we can reach the trackpoint. 6906 * However, passthrough mode must be disabled before setting the 6907 * trackpoint parameters, as rackpoint_command() enables and disables 6908 * passthrough mode on its own. 6909 */ 6910 if (sc->synhw.capPassthrough) 6911 synaptics_passthrough_on(sc); 6912 6913 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 6914 read_aux_data(kbdc) != 0x01) 6915 goto no_trackpoint; 6916 id = read_aux_data(kbdc); 6917 if (id < 0x01) 6918 goto no_trackpoint; 6919 if (arg == PROBE) 6920 sc->tphw = id; 6921 if (!trackpoint_support) 6922 goto no_trackpoint; 6923 6924 if (sc->synhw.capPassthrough) 6925 synaptics_passthrough_off(sc); 6926 6927 if (arg == PROBE) { 6928 trackpoint_sysctl_create_tree(sc); 6929 /* 6930 * Don't overwrite hwid and buttons when we are 6931 * a guest device. 6932 */ 6933 if (!sc->synhw.capPassthrough) { 6934 sc->hw.hwid = id; 6935 sc->hw.buttons = 3; 6936 } 6937 } 6938 6939 set_trackpoint_parameters(sc); 6940 6941 return (TRUE); 6942 6943 no_trackpoint: 6944 if (sc->synhw.capPassthrough) 6945 synaptics_passthrough_off(sc); 6946 6947 return (FALSE); 6948 } 6949 6950 /* Interlink electronics VersaPad */ 6951 static int 6952 enable_versapad(struct psm_softc *sc, enum probearg arg) 6953 { 6954 KBDC kbdc = sc->kbdc; 6955 int data[3]; 6956 6957 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 6958 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 6959 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6960 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6961 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6962 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6963 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 6964 return (FALSE); 6965 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 6966 return (FALSE); 6967 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6968 6969 return (TRUE); /* PS/2 absolute mode */ 6970 } 6971 6972 /* Elantech Touchpad */ 6973 static int 6974 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 6975 { 6976 int res, readcmd, retidx; 6977 int resp[3]; 6978 6979 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 6980 retidx = hwversion == 4 ? 1 : 0; 6981 6982 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6983 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 6984 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6985 res |= send_aux_command(kbdc, reg) != PSM_ACK; 6986 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 6987 6988 if (res == 0) 6989 *val = resp[retidx]; 6990 6991 return (res); 6992 } 6993 6994 static int 6995 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 6996 { 6997 int res, writecmd; 6998 6999 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 7000 7001 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7002 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7003 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7004 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7005 if (hwversion == 4) { 7006 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7007 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7008 } 7009 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7010 res |= send_aux_command(kbdc, val) != PSM_ACK; 7011 res |= set_mouse_scaling(kbdc, 1) == 0; 7012 7013 return (res); 7014 } 7015 7016 static int 7017 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 7018 { 7019 int res; 7020 7021 if (hwversion == 2) { 7022 res = set_mouse_scaling(kbdc, 1) == 0; 7023 res |= mouse_ext_command(kbdc, cmd) == 0; 7024 } else { 7025 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7026 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 7027 } 7028 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7029 7030 return (res); 7031 } 7032 7033 static int 7034 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 7035 { 7036 int i, val, res, hwversion, reg10; 7037 7038 /* set absolute mode */ 7039 hwversion = elanhw->hwversion; 7040 reg10 = -1; 7041 switch (hwversion) { 7042 case 2: 7043 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 7044 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7045 if (res) 7046 break; 7047 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 7048 break; 7049 case 3: 7050 reg10 = 0x0b; 7051 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7052 break; 7053 case 4: 7054 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 7055 break; 7056 default: 7057 res = 1; 7058 } 7059 7060 /* Read back reg 0x10 to ensure hardware is ready. */ 7061 if (res == 0 && reg10 >= 0) { 7062 for (i = 0; i < 5; i++) { 7063 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 7064 break; 7065 DELAY(2000); 7066 } 7067 if (i == 5) 7068 res = 1; 7069 } 7070 7071 if (res) 7072 printf("couldn't set absolute mode\n"); 7073 7074 return (res); 7075 } 7076 7077 static void 7078 elantech_init_synaptics(struct psm_softc *sc) 7079 { 7080 7081 /* Set capabilites required by movement smother */ 7082 sc->synhw.infoMajor = sc->elanhw.hwversion; 7083 sc->synhw.infoMinor = sc->elanhw.fwversion; 7084 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 7085 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 7086 sc->synhw.verticalScroll = 0; 7087 sc->synhw.nExtendedQueries = 4; 7088 sc->synhw.capExtended = 1; 7089 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 7090 sc->synhw.capClickPad = sc->elanhw.isclickpad; 7091 sc->synhw.capMultiFinger = 1; 7092 if (sc->elanhw.issemimt) 7093 sc->synhw.capAdvancedGestures = 1; 7094 else 7095 sc->synhw.capReportsV = 1; 7096 sc->synhw.capPalmDetect = 1; 7097 sc->synhw.capPen = 0; 7098 sc->synhw.capReportsMax = 1; 7099 sc->synhw.maximumXCoord = sc->elanhw.sizex; 7100 sc->synhw.maximumYCoord = sc->elanhw.sizey; 7101 sc->synhw.capReportsMin = 1; 7102 sc->synhw.minimumXCoord = 0; 7103 sc->synhw.minimumYCoord = 0; 7104 7105 if (sc->syninfo.sysctl_tree == NULL) { 7106 synaptics_sysctl_create_tree(sc, "elantech", 7107 "Elantech Touchpad"); 7108 7109 /* 7110 * Adjust synaptic smoother tunables 7111 * 1. Disable finger detection pressure threshold. Unlike 7112 * synaptics we assume the finger is acting when packet with 7113 * its X&Y arrives not when pressure exceedes some threshold 7114 * 2. Disable unrelated features like margins and noisy areas 7115 * 3. Disable virtual scroll areas as 2nd finger is preferable 7116 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 7117 * softbuttons 7118 * 5. Scale down divisors and movement lengths by a factor of 3 7119 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 7120 */ 7121 7122 /* Set reporting range to be equal touchpad size */ 7123 sc->syninfo.max_x = sc->elanhw.sizex; 7124 sc->syninfo.max_y = sc->elanhw.sizey; 7125 7126 /* Disable finger detection pressure threshold */ 7127 sc->syninfo.min_pressure = 1; 7128 7129 /* Adjust palm width to nearly match synaptics w=10 */ 7130 sc->syninfo.max_width = 7; 7131 7132 /* Elans often report double & triple taps as single event */ 7133 sc->syninfo.tap_min_queue = 1; 7134 7135 /* Use full area of touchpad */ 7136 sc->syninfo.margin_top = 0; 7137 sc->syninfo.margin_right = 0; 7138 sc->syninfo.margin_bottom = 0; 7139 sc->syninfo.margin_left = 0; 7140 7141 /* Disable noisy area */ 7142 sc->syninfo.na_top = 0; 7143 sc->syninfo.na_right = 0; 7144 sc->syninfo.na_bottom = 0; 7145 sc->syninfo.na_left = 0; 7146 7147 /* Tune divisors and movement lengths */ 7148 sc->syninfo.weight_len_squared = 200; 7149 sc->syninfo.div_min = 3; 7150 sc->syninfo.div_max = 6; 7151 sc->syninfo.div_max_na = 10; 7152 sc->syninfo.div_len = 30; 7153 sc->syninfo.tap_max_delta = 25; 7154 7155 /* Disable virtual scrolling areas and tune its divisors */ 7156 sc->syninfo.vscroll_hor_area = 0; 7157 sc->syninfo.vscroll_ver_area = 0; 7158 sc->syninfo.vscroll_min_delta = 15; 7159 sc->syninfo.vscroll_div_min = 30; 7160 sc->syninfo.vscroll_div_max = 50; 7161 7162 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 7163 if (sc->elanhw.isclickpad) { 7164 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 7165 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 7166 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 7167 } 7168 } 7169 7170 return; 7171 } 7172 7173 static int 7174 enable_elantech(struct psm_softc *sc, enum probearg arg) 7175 { 7176 static const int ic2hw[] = 7177 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 7178 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }; 7179 static const int fw_sizes[][3] = { 7180 /* FW.vers MaxX MaxY */ 7181 { 0x020030, 1152, 768 }, 7182 { 0x020800, 1152, 768 }, 7183 { 0x020b00, 1152, 768 }, 7184 { 0x040215, 900, 500 }, 7185 { 0x040216, 819, 405 }, 7186 { 0x040219, 900, 500 }, 7187 }; 7188 elantechhw_t elanhw; 7189 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 7190 KBDC kbdc = sc->kbdc; 7191 7192 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 7193 7194 set_mouse_scaling(kbdc, 1); 7195 set_mouse_scaling(kbdc, 1); 7196 set_mouse_scaling(kbdc, 1); 7197 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 7198 return (FALSE); 7199 7200 if (!ELANTECH_MAGIC(resp)) 7201 return (FALSE); 7202 7203 /* Identify the Touchpad version. */ 7204 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 7205 return (FALSE); 7206 7207 bzero(&elanhw, sizeof(elanhw)); 7208 7209 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 7210 icversion = resp[0] & 0x0f; 7211 hwversion = ic2hw[icversion]; 7212 7213 if (verbose >= 2) 7214 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 7215 hwversion, elanhw.fwversion); 7216 7217 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 7218 printf (" Unsupported touchpad hardware (v1)\n"); 7219 return (FALSE); 7220 } 7221 if (hwversion == 0) { 7222 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 7223 elanhw.fwversion); 7224 return (FALSE); 7225 } 7226 7227 /* Get the Touchpad model information. */ 7228 elanhw.hwversion = hwversion; 7229 elanhw.issemimt = hwversion == 2; 7230 elanhw.isclickpad = (resp[1] & 0x10) != 0; 7231 elanhw.hascrc = (resp[1] & 0x40) != 0; 7232 elanhw.haspressure = elanhw.fwversion >= 0x020800; 7233 7234 /* Read the capability bits. */ 7235 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 7236 printf(" Failed to read capability bits\n"); 7237 return (FALSE); 7238 } 7239 7240 elanhw.ntracesx = imax(resp[1], 3); 7241 elanhw.ntracesy = imax(resp[2], 3); 7242 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 7243 7244 /* Get the touchpad resolution */ 7245 switch (hwversion) { 7246 case 4: 7247 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 7248 == 0) { 7249 dpix = (resp[1] & 0x0f) * 10 + 790; 7250 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 7251 elanhw.dpmmx = (dpix * 10 + 5) / 254; 7252 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 7253 break; 7254 } 7255 /* FALLTHROUGH */ 7256 case 2: 7257 case 3: 7258 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 7259 break; 7260 } 7261 7262 if (!elantech_support) 7263 return (FALSE); 7264 7265 if (elantech_init(kbdc, &elanhw)) { 7266 printf("couldn't initialize elantech touchpad\n"); 7267 return (FALSE); 7268 } 7269 7270 /* 7271 * Get the touchpad reporting range. 7272 * On HW v.3 touchpads it should be done after switching hardware 7273 * to real resolution mode (by setting bit 3 of reg10) 7274 */ 7275 elanhw.dptracex = elanhw.dptracey = 64; 7276 for (i = 0; i < nitems(fw_sizes); i++) { 7277 if (elanhw.fwversion == fw_sizes[i][0]) { 7278 elanhw.sizex = fw_sizes[i][1]; 7279 elanhw.sizey = fw_sizes[i][2]; 7280 goto found; 7281 } 7282 } 7283 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 7284 printf(" Failed to read touchpad size\n"); 7285 elanhw.sizex = 10000; /* Arbitrary high values to */ 7286 elanhw.sizey = 10000; /* prevent clipping in smoother */ 7287 } else if (hwversion == 2) { 7288 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 7289 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 7290 elanhw.dptracex = resp[1] / 2; 7291 elanhw.dptracey = resp[2] / 2; 7292 } 7293 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 7294 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 7295 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 7296 } else { 7297 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 7298 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 7299 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 7300 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 7301 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 7302 } 7303 found: 7304 if (verbose >= 2) { 7305 printf(" Model information:\n"); 7306 printf(" MaxX: %d\n", elanhw.sizex); 7307 printf(" MaxY: %d\n", elanhw.sizey); 7308 printf(" DpmmX: %d\n", elanhw.dpmmx); 7309 printf(" DpmmY: %d\n", elanhw.dpmmy); 7310 printf(" TracesX: %d\n", elanhw.ntracesx); 7311 printf(" TracesY: %d\n", elanhw.ntracesy); 7312 printf(" DptraceX: %d\n", elanhw.dptracex); 7313 printf(" DptraceY: %d\n", elanhw.dptracey); 7314 printf(" SemiMT: %d\n", elanhw.issemimt); 7315 printf(" Clickpad: %d\n", elanhw.isclickpad); 7316 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 7317 printf(" CRC: %d\n", elanhw.hascrc); 7318 printf(" Pressure: %d\n", elanhw.haspressure); 7319 } 7320 7321 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 7322 7323 if (arg == PROBE) { 7324 sc->elanhw = elanhw; 7325 sc->hw.buttons = 3; 7326 7327 /* Initialize synaptics movement smoother */ 7328 elantech_init_synaptics(sc); 7329 7330 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 7331 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 7332 } 7333 7334 return (TRUE); 7335 } 7336 7337 /* 7338 * Return true if 'now' is earlier than (start + (secs.usecs)). 7339 * Now may be NULL and the function will fetch the current time from 7340 * getmicrouptime(), or a cached 'now' can be passed in. 7341 * All values should be numbers derived from getmicrouptime(). 7342 */ 7343 static int 7344 timeelapsed(start, secs, usecs, now) 7345 const struct timeval *start, *now; 7346 int secs, usecs; 7347 { 7348 struct timeval snow, tv; 7349 7350 /* if there is no 'now' passed in, the get it as a convience. */ 7351 if (now == NULL) { 7352 getmicrouptime(&snow); 7353 now = &snow; 7354 } 7355 7356 tv.tv_sec = secs; 7357 tv.tv_usec = usecs; 7358 timevaladd(&tv, start); 7359 return (timevalcmp(&tv, now, <)); 7360 } 7361 7362 static int 7363 psmresume(device_t dev) 7364 { 7365 struct psm_softc *sc = device_get_softc(dev); 7366 int unit = device_get_unit(dev); 7367 int err; 7368 7369 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 7370 7371 if ((sc->config & 7372 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 7373 return (0); 7374 7375 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 7376 7377 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 7378 /* 7379 * Release the blocked process; it must be notified that 7380 * the device cannot be accessed anymore. 7381 */ 7382 sc->state &= ~PSM_ASLP; 7383 wakeup(sc); 7384 } 7385 7386 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 7387 7388 return (err); 7389 } 7390 7391 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 7392 #ifdef EVDEV_SUPPORT 7393 MODULE_DEPEND(psm, evdev, 1, 1, 1); 7394 #endif 7395 7396 #ifdef DEV_ISA 7397 7398 /* 7399 * This sucks up assignments from PNPBIOS and ACPI. 7400 */ 7401 7402 /* 7403 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 7404 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 7405 * can be probed and attached only after the AT keyboard controller is 7406 * attached, we shall quietly reserve the IRQ resource for later use. 7407 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 7408 * copy the IRQ resource to the PS/2 mouse device instance hanging 7409 * under the keyboard controller, then probe and attach it. 7410 */ 7411 7412 static devclass_t psmcpnp_devclass; 7413 7414 static device_probe_t psmcpnp_probe; 7415 static device_attach_t psmcpnp_attach; 7416 7417 static device_method_t psmcpnp_methods[] = { 7418 DEVMETHOD(device_probe, psmcpnp_probe), 7419 DEVMETHOD(device_attach, psmcpnp_attach), 7420 7421 { 0, 0 } 7422 }; 7423 7424 static driver_t psmcpnp_driver = { 7425 PSMCPNP_DRIVER_NAME, 7426 psmcpnp_methods, 7427 sizeof(struct psmcpnp_softc), 7428 }; 7429 7430 static struct isa_pnp_id psmcpnp_ids[] = { 7431 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7432 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7433 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7434 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7435 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7436 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7437 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7438 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7439 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7440 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7441 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7442 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7443 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7444 { 0 } 7445 }; 7446 7447 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7448 static struct isa_pnp_id topbtpad_ids[] = { 7449 { 0x1700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0017, ThinkPad */ 7450 { 0x1800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0018, ThinkPad */ 7451 { 0x1900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0019, ThinkPad */ 7452 { 0x2300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0023, ThinkPad */ 7453 { 0x2a00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002a, ThinkPad */ 7454 { 0x2b00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002b, ThinkPad */ 7455 { 0x2c00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002c, ThinkPad */ 7456 { 0x2d00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002d, ThinkPad */ 7457 { 0x2e00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002e, ThinkPad */ 7458 { 0x3300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0033, ThinkPad */ 7459 { 0x3400ae30, "Lenovo PS/2 clickpad port" }, /* LEN0034, ThinkPad */ 7460 { 0x3500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0035, ThinkPad */ 7461 { 0x3600ae30, "Lenovo PS/2 clickpad port" }, /* LEN0036, ThinkPad */ 7462 { 0x3700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0037, ThinkPad */ 7463 { 0x3800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0038, ThinkPad */ 7464 { 0x3900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0039, ThinkPad */ 7465 { 0x4100ae30, "Lenovo PS/2 clickpad port" }, /* LEN0041, ThinkPad */ 7466 { 0x4200ae30, "Lenovo PS/2 clickpad port" }, /* LEN0042, ThinkPad */ 7467 { 0x4500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0045, ThinkPad */ 7468 { 0x4700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0047, ThinkPad */ 7469 { 0x4900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0049, ThinkPad */ 7470 { 0x0020ae30, "Lenovo PS/2 clickpad port" }, /* LEN2000, ThinkPad */ 7471 { 0x0120ae30, "Lenovo PS/2 clickpad port" }, /* LEN2001, ThinkPad */ 7472 { 0x0220ae30, "Lenovo PS/2 clickpad port" }, /* LEN2002, ThinkPad */ 7473 { 0x0320ae30, "Lenovo PS/2 clickpad port" }, /* LEN2003, ThinkPad */ 7474 { 0x0420ae30, "Lenovo PS/2 clickpad port" }, /* LEN2004, ThinkPad */ 7475 { 0x0520ae30, "Lenovo PS/2 clickpad port" }, /* LEN2005, ThinkPad */ 7476 { 0x0620ae30, "Lenovo PS/2 clickpad port" }, /* LEN2006, ThinkPad */ 7477 { 0x0720ae30, "Lenovo PS/2 clickpad port" }, /* LEN2007, ThinkPad */ 7478 { 0x0820ae30, "Lenovo PS/2 clickpad port" }, /* LEN2008, ThinkPad */ 7479 { 0x0920ae30, "Lenovo PS/2 clickpad port" }, /* LEN2009, ThinkPad */ 7480 { 0x0a20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200a, ThinkPad */ 7481 { 0x0b20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200b, ThinkPad */ 7482 { 0 } 7483 }; 7484 7485 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7486 static struct isa_pnp_id forcepad_ids[] = { 7487 { 0x0d302e4f, "HP PS/2 forcepad port" }, /* SYN300D, EB 1040 */ 7488 { 0x14302e4f, "HP PS/2 forcepad port" }, /* SYN3014, EB 1040 */ 7489 { 0 } 7490 }; 7491 7492 static int 7493 create_a_copy(device_t atkbdc, device_t me) 7494 { 7495 device_t psm; 7496 u_long irq; 7497 7498 /* find the PS/2 mouse device instance under the keyboard controller */ 7499 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7500 device_get_unit(atkbdc)); 7501 if (psm == NULL) 7502 return (ENXIO); 7503 if (device_get_state(psm) != DS_NOTPRESENT) 7504 return (0); 7505 7506 /* move our resource to the found device */ 7507 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7508 bus_delete_resource(me, SYS_RES_IRQ, 0); 7509 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7510 7511 /* ...then probe and attach it */ 7512 return (device_probe_and_attach(psm)); 7513 } 7514 7515 static int 7516 psmcpnp_probe(device_t dev) 7517 { 7518 struct psmcpnp_softc *sc = device_get_softc(dev); 7519 struct resource *res; 7520 u_long irq; 7521 int rid; 7522 7523 if (ISA_PNP_PROBE(device_get_parent(dev), dev, forcepad_ids) == 0) 7524 sc->type = PSMCPNP_FORCEPAD; 7525 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, topbtpad_ids) == 0) 7526 sc->type = PSMCPNP_TOPBUTTONPAD; 7527 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids) == 0) 7528 sc->type = PSMCPNP_GENERIC; 7529 else 7530 return (ENXIO); 7531 7532 /* 7533 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7534 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7535 * declares the PS/2 mouse device node without an IRQ resource! 7536 * If this happens, we shall refer to device hints. 7537 * If we still don't find it there, use a hardcoded value... XXX 7538 */ 7539 rid = 0; 7540 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7541 if (irq <= 0) { 7542 if (resource_long_value(PSM_DRIVER_NAME, 7543 device_get_unit(dev),"irq", &irq) != 0) 7544 irq = 12; /* XXX */ 7545 device_printf(dev, "irq resource info is missing; " 7546 "assuming irq %ld\n", irq); 7547 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7548 } 7549 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7550 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7551 7552 /* keep quiet */ 7553 if (!bootverbose) 7554 device_quiet(dev); 7555 7556 return ((res == NULL) ? ENXIO : 0); 7557 } 7558 7559 static int 7560 psmcpnp_attach(device_t dev) 7561 { 7562 device_t atkbdc; 7563 7564 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7565 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7566 device_get_unit(dev)); 7567 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7568 create_a_copy(atkbdc, dev); 7569 7570 return (0); 7571 } 7572 7573 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7574 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7575 ISA_PNP_INFO(psmcpnp_ids); 7576 #endif /* DEV_ISA */ 7577