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 int unit = device_get_unit(dev); 1952 struct psm_softc *sc = device_get_softc(dev); 1953 int error; 1954 int rid; 1955 1956 /* Setup initial state */ 1957 sc->state = PSM_VALID; 1958 callout_init(&sc->callout, 0); 1959 callout_init(&sc->softcallout, 0); 1960 1961 /* Setup our interrupt handler */ 1962 rid = KBDC_RID_AUX; 1963 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1964 if (sc->intr == NULL) 1965 return (ENXIO); 1966 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1967 &sc->ih); 1968 if (error) { 1969 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1970 return (error); 1971 } 1972 1973 /* Done */ 1974 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1975 sc->dev->si_drv1 = sc; 1976 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1977 sc->bdev->si_drv1 = sc; 1978 1979 #ifdef EVDEV_SUPPORT 1980 switch (sc->hw.model) { 1981 case MOUSE_MODEL_SYNAPTICS: 1982 error = psm_register_synaptics(dev); 1983 break; 1984 1985 case MOUSE_MODEL_ELANTECH: 1986 error = psm_register_elantech(dev); 1987 break; 1988 1989 default: 1990 error = psm_register(dev, sc->hw.model); 1991 } 1992 1993 if (error) 1994 return (error); 1995 #endif 1996 1997 /* Some touchpad devices need full reinitialization after suspend. */ 1998 switch (sc->hw.model) { 1999 case MOUSE_MODEL_SYNAPTICS: 2000 case MOUSE_MODEL_GLIDEPOINT: 2001 case MOUSE_MODEL_VERSAPAD: 2002 case MOUSE_MODEL_ELANTECH: 2003 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2004 break; 2005 default: 2006 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 2007 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2008 break; 2009 } 2010 2011 /* Elantech trackpad`s sync bit differs from touchpad`s one */ 2012 if (sc->hw.model == MOUSE_MODEL_ELANTECH && 2013 (sc->elanhw.hascrc || sc->elanhw.hastrackpoint)) { 2014 sc->config |= PSM_CONFIG_NOCHECKSYNC; 2015 sc->flags &= ~PSM_NEED_SYNCBITS; 2016 } 2017 2018 if (!verbose) 2019 printf("psm%d: model %s, device ID %d\n", 2020 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 2021 else { 2022 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 2023 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 2024 sc->hw.hwid >> 8, sc->hw.buttons); 2025 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 2026 unit, sc->config, sc->flags, sc->mode.packetsize); 2027 printf("psm%d: syncmask:%02x, syncbits:%02x%s\n", 2028 unit, sc->mode.syncmask[0], sc->mode.syncmask[1], 2029 sc->config & PSM_CONFIG_NOCHECKSYNC ? " (sync not checked)" : ""); 2030 } 2031 2032 if (bootverbose) 2033 --verbose; 2034 2035 return (0); 2036 } 2037 2038 static int 2039 psmdetach(device_t dev) 2040 { 2041 struct psm_softc *sc; 2042 int rid; 2043 2044 sc = device_get_softc(dev); 2045 if (sc->state & PSM_OPEN) 2046 return (EBUSY); 2047 2048 #ifdef EVDEV_SUPPORT 2049 evdev_free(sc->evdev_r); 2050 evdev_free(sc->evdev_a); 2051 #endif 2052 2053 rid = KBDC_RID_AUX; 2054 bus_teardown_intr(dev, sc->intr, sc->ih); 2055 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2056 2057 destroy_dev(sc->dev); 2058 destroy_dev(sc->bdev); 2059 2060 callout_drain(&sc->callout); 2061 callout_drain(&sc->softcallout); 2062 2063 return (0); 2064 } 2065 2066 #ifdef EVDEV_SUPPORT 2067 static int 2068 psm_ev_open_r(struct evdev_dev *evdev) 2069 { 2070 struct psm_softc *sc = evdev_get_softc(evdev); 2071 int err = 0; 2072 2073 /* Get device data */ 2074 if ((sc->state & PSM_VALID) == 0) { 2075 /* the device is no longer valid/functioning */ 2076 return (ENXIO); 2077 } 2078 2079 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2080 err = psmopen(sc); 2081 2082 if (err == 0) 2083 sc->state |= PSM_EV_OPEN_R; 2084 2085 return (err); 2086 } 2087 2088 static int 2089 psm_ev_close_r(struct evdev_dev *evdev) 2090 { 2091 struct psm_softc *sc = evdev_get_softc(evdev); 2092 int err = 0; 2093 2094 sc->state &= ~PSM_EV_OPEN_R; 2095 2096 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2097 return (0); 2098 2099 if (sc->state & PSM_VALID) 2100 err = psmclose(sc); 2101 2102 return (err); 2103 } 2104 2105 static int 2106 psm_ev_open_a(struct evdev_dev *evdev) 2107 { 2108 struct psm_softc *sc = evdev_get_softc(evdev); 2109 int err = 0; 2110 2111 /* Get device data */ 2112 if ((sc->state & PSM_VALID) == 0) { 2113 /* the device is no longer valid/functioning */ 2114 return (ENXIO); 2115 } 2116 2117 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2118 err = psmopen(sc); 2119 2120 if (err == 0) 2121 sc->state |= PSM_EV_OPEN_A; 2122 2123 return (err); 2124 } 2125 2126 static int 2127 psm_ev_close_a(struct evdev_dev *evdev) 2128 { 2129 struct psm_softc *sc = evdev_get_softc(evdev); 2130 int err = 0; 2131 2132 sc->state &= ~PSM_EV_OPEN_A; 2133 2134 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2135 return (0); 2136 2137 if (sc->state & PSM_VALID) 2138 err = psmclose(sc); 2139 2140 return (err); 2141 } 2142 #endif 2143 2144 static int 2145 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2146 { 2147 struct psm_softc *sc; 2148 int err = 0; 2149 2150 /* Get device data */ 2151 sc = dev->si_drv1; 2152 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2153 /* the device is no longer valid/functioning */ 2154 return (ENXIO); 2155 } 2156 2157 /* Disallow multiple opens */ 2158 if (sc->state & PSM_OPEN) 2159 return (EBUSY); 2160 2161 device_busy(devclass_get_device(psm_devclass, sc->unit)); 2162 2163 #ifdef EVDEV_SUPPORT 2164 /* Already opened by evdev */ 2165 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2166 #endif 2167 err = psmopen(sc); 2168 2169 if (err == 0) 2170 sc->state |= PSM_OPEN; 2171 else 2172 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2173 2174 return (err); 2175 } 2176 2177 static int 2178 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2179 { 2180 struct psm_softc *sc; 2181 int err = 0; 2182 2183 /* Get device data */ 2184 sc = dev->si_drv1; 2185 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2186 /* the device is no longer valid/functioning */ 2187 return (ENXIO); 2188 } 2189 2190 #ifdef EVDEV_SUPPORT 2191 /* Still opened by evdev */ 2192 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2193 #endif 2194 err = psmclose(sc); 2195 2196 if (err == 0) { 2197 sc->state &= ~PSM_OPEN; 2198 /* clean up and sigio requests */ 2199 if (sc->async != NULL) { 2200 funsetown(&sc->async); 2201 sc->async = NULL; 2202 } 2203 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2204 } 2205 2206 return (err); 2207 } 2208 2209 static int 2210 psmopen(struct psm_softc *sc) 2211 { 2212 int command_byte; 2213 int err; 2214 int s; 2215 2216 /* Initialize state */ 2217 sc->mode.level = sc->dflt_mode.level; 2218 sc->mode.protocol = sc->dflt_mode.protocol; 2219 sc->watchdog = FALSE; 2220 sc->async = NULL; 2221 2222 /* flush the event queue */ 2223 sc->queue.count = 0; 2224 sc->queue.head = 0; 2225 sc->queue.tail = 0; 2226 sc->status.flags = 0; 2227 sc->status.button = 0; 2228 sc->status.obutton = 0; 2229 sc->status.dx = 0; 2230 sc->status.dy = 0; 2231 sc->status.dz = 0; 2232 sc->button = 0; 2233 sc->pqueue_start = 0; 2234 sc->pqueue_end = 0; 2235 2236 /* empty input buffer */ 2237 flushpackets(sc); 2238 sc->syncerrors = 0; 2239 sc->pkterrors = 0; 2240 2241 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2242 if (!kbdc_lock(sc->kbdc, TRUE)) 2243 return (EIO); 2244 2245 /* save the current controller command byte */ 2246 s = spltty(); 2247 command_byte = get_controller_command_byte(sc->kbdc); 2248 2249 /* enable the aux port and temporalily disable the keyboard */ 2250 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2251 kbdc_get_device_mask(sc->kbdc), 2252 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2253 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2254 /* CONTROLLER ERROR; do you know how to get out of this? */ 2255 kbdc_lock(sc->kbdc, FALSE); 2256 splx(s); 2257 log(LOG_ERR, 2258 "psm%d: unable to set the command byte (psmopen).\n", 2259 sc->unit); 2260 return (EIO); 2261 } 2262 /* 2263 * Now that the keyboard controller is told not to generate 2264 * the keyboard and mouse interrupts, call `splx()' to allow 2265 * the other tty interrupts. The clock interrupt may also occur, 2266 * but timeout routines will be blocked by the poll flag set 2267 * via `kbdc_lock()' 2268 */ 2269 splx(s); 2270 2271 /* enable the mouse device */ 2272 err = doopen(sc, command_byte); 2273 2274 /* done */ 2275 kbdc_lock(sc->kbdc, FALSE); 2276 return (err); 2277 } 2278 2279 static int 2280 psmclose(struct psm_softc *sc) 2281 { 2282 int stat[3]; 2283 int command_byte; 2284 int s; 2285 2286 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2287 if (!kbdc_lock(sc->kbdc, TRUE)) 2288 return (EIO); 2289 2290 /* save the current controller command byte */ 2291 s = spltty(); 2292 command_byte = get_controller_command_byte(sc->kbdc); 2293 if (command_byte == -1) { 2294 kbdc_lock(sc->kbdc, FALSE); 2295 splx(s); 2296 return (EIO); 2297 } 2298 2299 /* disable the aux interrupt and temporalily disable the keyboard */ 2300 if (!set_controller_command_byte(sc->kbdc, 2301 kbdc_get_device_mask(sc->kbdc), 2302 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2303 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2304 log(LOG_ERR, 2305 "psm%d: failed to disable the aux int (psmclose).\n", 2306 sc->unit); 2307 /* CONTROLLER ERROR; 2308 * NOTE: we shall force our way through. Because the only 2309 * ill effect we shall see is that we may not be able 2310 * to read ACK from the mouse, and it doesn't matter much 2311 * so long as the mouse will accept the DISABLE command. 2312 */ 2313 } 2314 splx(s); 2315 2316 /* stop the watchdog timer */ 2317 callout_stop(&sc->callout); 2318 2319 /* remove anything left in the output buffer */ 2320 empty_aux_buffer(sc->kbdc, 10); 2321 2322 /* disable the aux device, port and interrupt */ 2323 if (sc->state & PSM_VALID) { 2324 if (!disable_aux_dev(sc->kbdc)) { 2325 /* MOUSE ERROR; 2326 * NOTE: we don't return (error) and continue, 2327 * pretending we have successfully disabled the device. 2328 * It's OK because the interrupt routine will discard 2329 * any data from the mouse hereafter. 2330 */ 2331 log(LOG_ERR, 2332 "psm%d: failed to disable the device (psmclose).\n", 2333 sc->unit); 2334 } 2335 2336 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2337 log(LOG_DEBUG, 2338 "psm%d: failed to get status (psmclose).\n", 2339 sc->unit); 2340 } 2341 2342 if (!set_controller_command_byte(sc->kbdc, 2343 kbdc_get_device_mask(sc->kbdc), 2344 (command_byte & KBD_KBD_CONTROL_BITS) | 2345 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2346 /* 2347 * CONTROLLER ERROR; 2348 * we shall ignore this error; see the above comment. 2349 */ 2350 log(LOG_ERR, 2351 "psm%d: failed to disable the aux port (psmclose).\n", 2352 sc->unit); 2353 } 2354 2355 /* remove anything left in the output buffer */ 2356 empty_aux_buffer(sc->kbdc, 10); 2357 2358 /* close is almost always successful */ 2359 kbdc_lock(sc->kbdc, FALSE); 2360 return (0); 2361 } 2362 2363 static int 2364 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2365 u_char *buf) 2366 { 2367 static u_char butmapps2[8] = { 2368 0, 2369 MOUSE_PS2_BUTTON1DOWN, 2370 MOUSE_PS2_BUTTON2DOWN, 2371 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2372 MOUSE_PS2_BUTTON3DOWN, 2373 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2374 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2375 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2376 MOUSE_PS2_BUTTON3DOWN, 2377 }; 2378 static u_char butmapmsc[8] = { 2379 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2380 MOUSE_MSC_BUTTON3UP, 2381 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2382 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2383 MOUSE_MSC_BUTTON3UP, 2384 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2385 MOUSE_MSC_BUTTON2UP, 2386 MOUSE_MSC_BUTTON1UP, 2387 0, 2388 }; 2389 int mapped; 2390 int i; 2391 2392 if (sc->mode.level == PSM_LEVEL_BASE) { 2393 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2394 if (status->button & MOUSE_BUTTON4DOWN) 2395 mapped |= MOUSE_BUTTON1DOWN; 2396 status->button = mapped; 2397 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2398 i = imax(imin(status->dx, 255), -256); 2399 if (i < 0) 2400 buf[0] |= MOUSE_PS2_XNEG; 2401 buf[1] = i; 2402 i = imax(imin(status->dy, 255), -256); 2403 if (i < 0) 2404 buf[0] |= MOUSE_PS2_YNEG; 2405 buf[2] = i; 2406 return (MOUSE_PS2_PACKETSIZE); 2407 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2408 buf[0] = MOUSE_MSC_SYNC | 2409 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2410 i = imax(imin(status->dx, 255), -256); 2411 buf[1] = i >> 1; 2412 buf[3] = i - buf[1]; 2413 i = imax(imin(status->dy, 255), -256); 2414 buf[2] = i >> 1; 2415 buf[4] = i - buf[2]; 2416 i = imax(imin(status->dz, 127), -128); 2417 buf[5] = (i >> 1) & 0x7f; 2418 buf[6] = (i - (i >> 1)) & 0x7f; 2419 buf[7] = (~status->button >> 3) & 0x7f; 2420 return (MOUSE_SYS_PACKETSIZE); 2421 } 2422 return (pb->inputbytes); 2423 } 2424 2425 static int 2426 psmread(struct cdev *dev, struct uio *uio, int flag) 2427 { 2428 struct psm_softc *sc = dev->si_drv1; 2429 u_char buf[PSM_SMALLBUFSIZE]; 2430 int error = 0; 2431 int s; 2432 int l; 2433 2434 if ((sc->state & PSM_VALID) == 0) 2435 return (EIO); 2436 2437 /* block until mouse activity occurred */ 2438 s = spltty(); 2439 while (sc->queue.count <= 0) { 2440 if (dev != sc->bdev) { 2441 splx(s); 2442 return (EWOULDBLOCK); 2443 } 2444 sc->state |= PSM_ASLP; 2445 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2446 sc->state &= ~PSM_ASLP; 2447 if (error) { 2448 splx(s); 2449 return (error); 2450 } else if ((sc->state & PSM_VALID) == 0) { 2451 /* the device disappeared! */ 2452 splx(s); 2453 return (EIO); 2454 } 2455 } 2456 splx(s); 2457 2458 /* copy data to the user land */ 2459 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2460 s = spltty(); 2461 l = imin(sc->queue.count, uio->uio_resid); 2462 if (l > sizeof(buf)) 2463 l = sizeof(buf); 2464 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2465 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2466 sizeof(sc->queue.buf) - sc->queue.head); 2467 bcopy(&sc->queue.buf[0], 2468 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2469 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2470 } else 2471 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2472 sc->queue.count -= l; 2473 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2474 splx(s); 2475 error = uiomove(buf, l, uio); 2476 if (error) 2477 break; 2478 } 2479 2480 return (error); 2481 } 2482 2483 static int 2484 block_mouse_data(struct psm_softc *sc, int *c) 2485 { 2486 int s; 2487 2488 if (!kbdc_lock(sc->kbdc, TRUE)) 2489 return (EIO); 2490 2491 s = spltty(); 2492 *c = get_controller_command_byte(sc->kbdc); 2493 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2494 kbdc_get_device_mask(sc->kbdc), 2495 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2496 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2497 /* this is CONTROLLER ERROR */ 2498 splx(s); 2499 kbdc_lock(sc->kbdc, FALSE); 2500 return (EIO); 2501 } 2502 2503 /* 2504 * The device may be in the middle of status data transmission. 2505 * The transmission will be interrupted, thus, incomplete status 2506 * data must be discarded. Although the aux interrupt is disabled 2507 * at the keyboard controller level, at most one aux interrupt 2508 * may have already been pending and a data byte is in the 2509 * output buffer; throw it away. Note that the second argument 2510 * to `empty_aux_buffer()' is zero, so that the call will just 2511 * flush the internal queue. 2512 * `psmintr()' will be invoked after `splx()' if an interrupt is 2513 * pending; it will see no data and returns immediately. 2514 */ 2515 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2516 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2517 flushpackets(sc); 2518 splx(s); 2519 2520 return (0); 2521 } 2522 2523 static void 2524 dropqueue(struct psm_softc *sc) 2525 { 2526 2527 sc->queue.count = 0; 2528 sc->queue.head = 0; 2529 sc->queue.tail = 0; 2530 if ((sc->state & PSM_SOFTARMED) != 0) { 2531 sc->state &= ~PSM_SOFTARMED; 2532 callout_stop(&sc->softcallout); 2533 } 2534 sc->pqueue_start = sc->pqueue_end; 2535 } 2536 2537 static void 2538 flushpackets(struct psm_softc *sc) 2539 { 2540 2541 dropqueue(sc); 2542 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2543 } 2544 2545 static int 2546 unblock_mouse_data(struct psm_softc *sc, int c) 2547 { 2548 int error = 0; 2549 2550 /* 2551 * We may have seen a part of status data during `set_mouse_XXX()'. 2552 * they have been queued; flush it. 2553 */ 2554 empty_aux_buffer(sc->kbdc, 0); 2555 2556 /* restore ports and interrupt */ 2557 if (!set_controller_command_byte(sc->kbdc, 2558 kbdc_get_device_mask(sc->kbdc), 2559 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2560 /* 2561 * CONTROLLER ERROR; this is serious, we may have 2562 * been left with the inaccessible keyboard and 2563 * the disabled mouse interrupt. 2564 */ 2565 error = EIO; 2566 } 2567 2568 kbdc_lock(sc->kbdc, FALSE); 2569 return (error); 2570 } 2571 2572 static int 2573 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2574 { 2575 struct psm_softc *sc = dev->si_drv1; 2576 u_char buf[PSM_SMALLBUFSIZE]; 2577 int error = 0, i, l; 2578 2579 if ((sc->state & PSM_VALID) == 0) 2580 return (EIO); 2581 2582 if (sc->mode.level < PSM_LEVEL_NATIVE) 2583 return (ENODEV); 2584 2585 /* copy data from the user land */ 2586 while (uio->uio_resid > 0) { 2587 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2588 error = uiomove(buf, l, uio); 2589 if (error) 2590 break; 2591 for (i = 0; i < l; i++) { 2592 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 2593 if (!write_aux_command(sc->kbdc, buf[i])) { 2594 VLOG(2, (LOG_DEBUG, 2595 "psm: cmd 0x%x failed.\n", buf[i])); 2596 return (reinitialize(sc, FALSE)); 2597 } 2598 } 2599 } 2600 2601 return (error); 2602 } 2603 2604 static int 2605 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2606 struct thread *td) 2607 { 2608 struct psm_softc *sc = dev->si_drv1; 2609 mousemode_t mode; 2610 mousestatus_t status; 2611 mousedata_t *data; 2612 int stat[3]; 2613 int command_byte; 2614 int error = 0; 2615 int s; 2616 2617 /* Perform IOCTL command */ 2618 switch (cmd) { 2619 2620 case OLD_MOUSE_GETHWINFO: 2621 s = spltty(); 2622 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2623 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2624 ((old_mousehw_t *)addr)->type = sc->hw.type; 2625 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2626 splx(s); 2627 break; 2628 2629 case MOUSE_GETHWINFO: 2630 s = spltty(); 2631 *(mousehw_t *)addr = sc->hw; 2632 if (sc->mode.level == PSM_LEVEL_BASE) 2633 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2634 splx(s); 2635 break; 2636 2637 case MOUSE_SYN_GETHWINFO: 2638 s = spltty(); 2639 if (sc->synhw.infoMajor >= 4) 2640 *(synapticshw_t *)addr = sc->synhw; 2641 else 2642 error = EINVAL; 2643 splx(s); 2644 break; 2645 2646 case OLD_MOUSE_GETMODE: 2647 s = spltty(); 2648 switch (sc->mode.level) { 2649 case PSM_LEVEL_BASE: 2650 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2651 break; 2652 case PSM_LEVEL_STANDARD: 2653 ((old_mousemode_t *)addr)->protocol = 2654 MOUSE_PROTO_SYSMOUSE; 2655 break; 2656 case PSM_LEVEL_NATIVE: 2657 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2658 break; 2659 } 2660 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2661 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2662 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2663 splx(s); 2664 break; 2665 2666 case MOUSE_GETMODE: 2667 s = spltty(); 2668 *(mousemode_t *)addr = sc->mode; 2669 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2670 ((mousemode_t *)addr)->syncmask[0] = 0; 2671 ((mousemode_t *)addr)->syncmask[1] = 0; 2672 } 2673 ((mousemode_t *)addr)->resolution = 2674 MOUSE_RES_LOW - sc->mode.resolution; 2675 switch (sc->mode.level) { 2676 case PSM_LEVEL_BASE: 2677 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2678 ((mousemode_t *)addr)->packetsize = 2679 MOUSE_PS2_PACKETSIZE; 2680 break; 2681 case PSM_LEVEL_STANDARD: 2682 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2683 ((mousemode_t *)addr)->packetsize = 2684 MOUSE_SYS_PACKETSIZE; 2685 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2686 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2687 break; 2688 case PSM_LEVEL_NATIVE: 2689 /* FIXME: this isn't quite correct... XXX */ 2690 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2691 break; 2692 } 2693 splx(s); 2694 break; 2695 2696 case OLD_MOUSE_SETMODE: 2697 case MOUSE_SETMODE: 2698 if (cmd == OLD_MOUSE_SETMODE) { 2699 mode.rate = ((old_mousemode_t *)addr)->rate; 2700 /* 2701 * resolution old I/F new I/F 2702 * default 0 0 2703 * low 1 -2 2704 * medium low 2 -3 2705 * medium high 3 -4 2706 * high 4 -5 2707 */ 2708 if (((old_mousemode_t *)addr)->resolution > 0) 2709 mode.resolution = 2710 -((old_mousemode_t *)addr)->resolution - 1; 2711 else 2712 mode.resolution = 0; 2713 mode.accelfactor = 2714 ((old_mousemode_t *)addr)->accelfactor; 2715 mode.level = -1; 2716 } else 2717 mode = *(mousemode_t *)addr; 2718 2719 /* adjust and validate parameters. */ 2720 if (mode.rate > UCHAR_MAX) 2721 return (EINVAL); 2722 if (mode.rate == 0) 2723 mode.rate = sc->dflt_mode.rate; 2724 else if (mode.rate == -1) 2725 /* don't change the current setting */ 2726 ; 2727 else if (mode.rate < 0) 2728 return (EINVAL); 2729 if (mode.resolution >= UCHAR_MAX) 2730 return (EINVAL); 2731 if (mode.resolution >= 200) 2732 mode.resolution = MOUSE_RES_HIGH; 2733 else if (mode.resolution >= 100) 2734 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2735 else if (mode.resolution >= 50) 2736 mode.resolution = MOUSE_RES_MEDIUMLOW; 2737 else if (mode.resolution > 0) 2738 mode.resolution = MOUSE_RES_LOW; 2739 if (mode.resolution == MOUSE_RES_DEFAULT) 2740 mode.resolution = sc->dflt_mode.resolution; 2741 else if (mode.resolution == -1) 2742 /* don't change the current setting */ 2743 ; 2744 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2745 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2746 if (mode.level == -1) 2747 /* don't change the current setting */ 2748 mode.level = sc->mode.level; 2749 else if ((mode.level < PSM_LEVEL_MIN) || 2750 (mode.level > PSM_LEVEL_MAX)) 2751 return (EINVAL); 2752 if (mode.accelfactor == -1) 2753 /* don't change the current setting */ 2754 mode.accelfactor = sc->mode.accelfactor; 2755 else if (mode.accelfactor < 0) 2756 return (EINVAL); 2757 2758 /* don't allow anybody to poll the keyboard controller */ 2759 error = block_mouse_data(sc, &command_byte); 2760 if (error) 2761 return (error); 2762 2763 /* set mouse parameters */ 2764 if (mode.rate > 0) 2765 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2766 mode.rate); 2767 if (mode.resolution >= 0) 2768 mode.resolution = 2769 set_mouse_resolution(sc->kbdc, mode.resolution); 2770 set_mouse_scaling(sc->kbdc, 1); 2771 get_mouse_status(sc->kbdc, stat, 0, 3); 2772 2773 s = spltty(); 2774 sc->mode.rate = mode.rate; 2775 sc->mode.resolution = mode.resolution; 2776 sc->mode.accelfactor = mode.accelfactor; 2777 sc->mode.level = mode.level; 2778 splx(s); 2779 2780 unblock_mouse_data(sc, command_byte); 2781 break; 2782 2783 case MOUSE_GETLEVEL: 2784 *(int *)addr = sc->mode.level; 2785 break; 2786 2787 case MOUSE_SETLEVEL: 2788 if ((*(int *)addr < PSM_LEVEL_MIN) || 2789 (*(int *)addr > PSM_LEVEL_MAX)) 2790 return (EINVAL); 2791 sc->mode.level = *(int *)addr; 2792 break; 2793 2794 case MOUSE_GETSTATUS: 2795 s = spltty(); 2796 status = sc->status; 2797 sc->status.flags = 0; 2798 sc->status.obutton = sc->status.button; 2799 sc->status.button = 0; 2800 sc->status.dx = 0; 2801 sc->status.dy = 0; 2802 sc->status.dz = 0; 2803 splx(s); 2804 *(mousestatus_t *)addr = status; 2805 break; 2806 2807 case MOUSE_READSTATE: 2808 case MOUSE_READDATA: 2809 data = (mousedata_t *)addr; 2810 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2811 return (EINVAL); 2812 2813 error = block_mouse_data(sc, &command_byte); 2814 if (error) 2815 return (error); 2816 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2817 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2818 error = EIO; 2819 unblock_mouse_data(sc, command_byte); 2820 break; 2821 2822 #if (defined(MOUSE_SETRESOLUTION)) 2823 case MOUSE_SETRESOLUTION: 2824 mode.resolution = *(int *)addr; 2825 if (mode.resolution >= UCHAR_MAX) 2826 return (EINVAL); 2827 else if (mode.resolution >= 200) 2828 mode.resolution = MOUSE_RES_HIGH; 2829 else if (mode.resolution >= 100) 2830 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2831 else if (mode.resolution >= 50) 2832 mode.resolution = MOUSE_RES_MEDIUMLOW; 2833 else if (mode.resolution > 0) 2834 mode.resolution = MOUSE_RES_LOW; 2835 if (mode.resolution == MOUSE_RES_DEFAULT) 2836 mode.resolution = sc->dflt_mode.resolution; 2837 else if (mode.resolution == -1) 2838 mode.resolution = sc->mode.resolution; 2839 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2840 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2841 2842 error = block_mouse_data(sc, &command_byte); 2843 if (error) 2844 return (error); 2845 sc->mode.resolution = 2846 set_mouse_resolution(sc->kbdc, mode.resolution); 2847 if (sc->mode.resolution != mode.resolution) 2848 error = EIO; 2849 unblock_mouse_data(sc, command_byte); 2850 break; 2851 #endif /* MOUSE_SETRESOLUTION */ 2852 2853 #if (defined(MOUSE_SETRATE)) 2854 case MOUSE_SETRATE: 2855 mode.rate = *(int *)addr; 2856 if (mode.rate > UCHAR_MAX) 2857 return (EINVAL); 2858 if (mode.rate == 0) 2859 mode.rate = sc->dflt_mode.rate; 2860 else if (mode.rate < 0) 2861 mode.rate = sc->mode.rate; 2862 2863 error = block_mouse_data(sc, &command_byte); 2864 if (error) 2865 return (error); 2866 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2867 if (sc->mode.rate != mode.rate) 2868 error = EIO; 2869 unblock_mouse_data(sc, command_byte); 2870 break; 2871 #endif /* MOUSE_SETRATE */ 2872 2873 #if (defined(MOUSE_SETSCALING)) 2874 case MOUSE_SETSCALING: 2875 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2876 return (EINVAL); 2877 2878 error = block_mouse_data(sc, &command_byte); 2879 if (error) 2880 return (error); 2881 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2882 error = EIO; 2883 unblock_mouse_data(sc, command_byte); 2884 break; 2885 #endif /* MOUSE_SETSCALING */ 2886 2887 #if (defined(MOUSE_GETHWID)) 2888 case MOUSE_GETHWID: 2889 error = block_mouse_data(sc, &command_byte); 2890 if (error) 2891 return (error); 2892 sc->hw.hwid &= ~0x00ff; 2893 sc->hw.hwid |= get_aux_id(sc->kbdc); 2894 *(int *)addr = sc->hw.hwid & 0x00ff; 2895 unblock_mouse_data(sc, command_byte); 2896 break; 2897 #endif /* MOUSE_GETHWID */ 2898 2899 case FIONBIO: 2900 case FIOASYNC: 2901 break; 2902 case FIOSETOWN: 2903 error = fsetown(*(int *)addr, &sc->async); 2904 break; 2905 case FIOGETOWN: 2906 *(int *) addr = fgetown(&sc->async); 2907 break; 2908 default: 2909 return (ENOTTY); 2910 } 2911 2912 return (error); 2913 } 2914 2915 static void 2916 psmtimeout(void *arg) 2917 { 2918 struct psm_softc *sc; 2919 int s; 2920 2921 sc = (struct psm_softc *)arg; 2922 s = spltty(); 2923 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2924 VLOG(6, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2925 psmintr(sc); 2926 kbdc_lock(sc->kbdc, FALSE); 2927 } 2928 sc->watchdog = TRUE; 2929 splx(s); 2930 callout_reset(&sc->callout, hz, psmtimeout, sc); 2931 } 2932 2933 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2934 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2935 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2936 2937 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RWTUN, &verbose, 0, 2938 "Verbosity level"); 2939 2940 static int psmhz = 20; 2941 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2942 "Frequency of the softcallout (in hz)"); 2943 static int psmerrsecs = 2; 2944 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2945 "Number of seconds during which packets will dropped after a sync error"); 2946 static int psmerrusecs = 0; 2947 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2948 "Microseconds to add to psmerrsecs"); 2949 static int psmsecs = 0; 2950 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2951 "Max number of seconds between soft interrupts"); 2952 static int psmusecs = 500000; 2953 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2954 "Microseconds to add to psmsecs"); 2955 static int pkterrthresh = 2; 2956 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2957 "Number of error packets allowed before reinitializing the mouse"); 2958 2959 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RWTUN, &tap_enabled, 0, 2960 "Enable tap and drag gestures"); 2961 static int tap_threshold = PSM_TAP_THRESHOLD; 2962 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2963 "Button tap threshold"); 2964 static int tap_timeout = PSM_TAP_TIMEOUT; 2965 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2966 "Tap timeout for touchpads"); 2967 2968 /* Tunables */ 2969 SYSCTL_INT(_hw_psm, OID_AUTO, synaptics_support, CTLFLAG_RDTUN, 2970 &synaptics_support, 0, "Enable support for Synaptics touchpads"); 2971 2972 SYSCTL_INT(_hw_psm, OID_AUTO, trackpoint_support, CTLFLAG_RDTUN, 2973 &trackpoint_support, 0, "Enable support for IBM/Lenovo TrackPoint"); 2974 2975 SYSCTL_INT(_hw_psm, OID_AUTO, elantech_support, CTLFLAG_RDTUN, 2976 &elantech_support, 0, "Enable support for Elantech touchpads"); 2977 2978 static void 2979 psmintr(void *arg) 2980 { 2981 struct psm_softc *sc = arg; 2982 struct timeval now; 2983 int c; 2984 packetbuf_t *pb; 2985 2986 if (aux_mux_is_enabled(sc->kbdc)) 2987 VLOG(2, (LOG_DEBUG, "psmintr: active multiplexing mode is not " 2988 "supported!\n")); 2989 2990 /* read until there is nothing to read */ 2991 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2992 pb = &sc->pqueue[sc->pqueue_end]; 2993 2994 /* discard the byte if the device is not open */ 2995 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2996 continue; 2997 2998 getmicrouptime(&now); 2999 if ((pb->inputbytes > 0) && 3000 timevalcmp(&now, &sc->inputtimeout, >)) { 3001 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 3002 "resetting byte count\n")); 3003 pb->inputbytes = 0; 3004 sc->syncerrors = 0; 3005 sc->pkterrors = 0; 3006 } 3007 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 3008 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 3009 timevaladd(&sc->inputtimeout, &now); 3010 3011 pb->ipacket[pb->inputbytes++] = c; 3012 3013 if (sc->mode.level == PSM_LEVEL_NATIVE) { 3014 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 3015 sc->syncerrors = 0; 3016 sc->pkterrors = 0; 3017 goto next; 3018 } else { 3019 if (pb->inputbytes < sc->mode.packetsize) 3020 continue; 3021 3022 VLOG(4, (LOG_DEBUG, 3023 "psmintr: %02x %02x %02x %02x %02x %02x\n", 3024 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3025 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3026 } 3027 3028 c = pb->ipacket[0]; 3029 3030 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 3031 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 3032 sc->flags &= ~PSM_NEED_SYNCBITS; 3033 VLOG(2, (LOG_DEBUG, 3034 "psmintr: Sync bytes now %04x,%04x\n", 3035 sc->mode.syncmask[0], sc->mode.syncmask[1])); 3036 } else if ((sc->config & PSM_CONFIG_NOCHECKSYNC) == 0 && 3037 (c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 3038 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 3039 "(%04x != %04x) %d cmds since last error.\n", 3040 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 3041 sc->cmdcount - sc->lasterr)); 3042 sc->lasterr = sc->cmdcount; 3043 /* 3044 * The sync byte test is a weak measure of packet 3045 * validity. Conservatively discard any input yet 3046 * to be seen by userland when we detect a sync 3047 * error since there is a good chance some of 3048 * the queued packets have undetected errors. 3049 */ 3050 dropqueue(sc); 3051 if (sc->syncerrors == 0) 3052 sc->pkterrors++; 3053 ++sc->syncerrors; 3054 sc->lastinputerr = now; 3055 if (sc->syncerrors >= sc->mode.packetsize * 2 || 3056 sc->pkterrors >= pkterrthresh) { 3057 /* 3058 * If we've failed to find a single sync byte 3059 * in 2 packets worth of data, or we've seen 3060 * persistent packet errors during the 3061 * validation period, reinitialize the mouse 3062 * in hopes of returning it to the expected 3063 * mode. 3064 */ 3065 VLOG(3, (LOG_DEBUG, 3066 "psmintr: reset the mouse.\n")); 3067 reinitialize(sc, TRUE); 3068 } else if (sc->syncerrors == sc->mode.packetsize) { 3069 /* 3070 * Try a soft reset after searching for a sync 3071 * byte through a packet length of bytes. 3072 */ 3073 VLOG(3, (LOG_DEBUG, 3074 "psmintr: re-enable the mouse.\n")); 3075 pb->inputbytes = 0; 3076 disable_aux_dev(sc->kbdc); 3077 enable_aux_dev(sc->kbdc); 3078 } else { 3079 VLOG(3, (LOG_DEBUG, 3080 "psmintr: discard a byte (%d)\n", 3081 sc->syncerrors)); 3082 pb->inputbytes--; 3083 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3084 pb->inputbytes); 3085 } 3086 continue; 3087 } 3088 3089 /* 3090 * We have what appears to be a valid packet. 3091 * Reset the error counters. 3092 */ 3093 sc->syncerrors = 0; 3094 3095 /* 3096 * Drop even good packets if they occur within a timeout 3097 * period of a sync error. This allows the detection of 3098 * a change in the mouse's packet mode without exposing 3099 * erratic mouse behavior to the user. Some KVMs forget 3100 * enhanced mouse modes during switch events. 3101 */ 3102 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3103 &now)) { 3104 pb->inputbytes = 0; 3105 continue; 3106 } 3107 3108 /* 3109 * Now that we're out of the validation period, reset 3110 * the packet error count. 3111 */ 3112 sc->pkterrors = 0; 3113 3114 sc->cmdcount++; 3115 next: 3116 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3117 sc->pqueue_end = 0; 3118 /* 3119 * If we've filled the queue then call the softintr ourselves, 3120 * otherwise schedule the interrupt for later. 3121 */ 3122 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3123 (sc->pqueue_end == sc->pqueue_start)) { 3124 if ((sc->state & PSM_SOFTARMED) != 0) { 3125 sc->state &= ~PSM_SOFTARMED; 3126 callout_stop(&sc->softcallout); 3127 } 3128 psmsoftintr(arg); 3129 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3130 sc->state |= PSM_SOFTARMED; 3131 callout_reset(&sc->softcallout, 3132 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3133 } 3134 } 3135 } 3136 3137 static void 3138 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3139 int *x, int *y, int *z) 3140 { 3141 3142 /* 3143 * PS2++ protocol packet 3144 * 3145 * b7 b6 b5 b4 b3 b2 b1 b0 3146 * byte 1: * 1 p3 p2 1 * * * 3147 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3148 * 3149 * p3-p0: packet type 3150 * c1, c2: c1 & c2 == 1, if p2 == 0 3151 * c1 & c2 == 0, if p2 == 1 3152 * 3153 * packet type: 0 (device type) 3154 * See comments in enable_mmanplus() below. 3155 * 3156 * packet type: 1 (wheel data) 3157 * 3158 * b7 b6 b5 b4 b3 b2 b1 b0 3159 * byte 3: h * B5 B4 s d2 d1 d0 3160 * 3161 * h: 1, if horizontal roller data 3162 * 0, if vertical roller data 3163 * B4, B5: button 4 and 5 3164 * s: sign bit 3165 * d2-d0: roller data 3166 * 3167 * packet type: 2 (reserved) 3168 */ 3169 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3170 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3171 /* 3172 * the extended data packet encodes button 3173 * and wheel events 3174 */ 3175 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3176 case 1: 3177 /* wheel data packet */ 3178 *x = *y = 0; 3179 if (pb->ipacket[2] & 0x80) { 3180 /* XXX horizontal roller count - ignore it */ 3181 ; 3182 } else { 3183 /* vertical roller count */ 3184 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3185 (pb->ipacket[2] & 0x0f) - 16 : 3186 (pb->ipacket[2] & 0x0f); 3187 } 3188 ms->button |= (pb->ipacket[2] & 3189 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3190 MOUSE_BUTTON4DOWN : 0; 3191 ms->button |= (pb->ipacket[2] & 3192 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3193 MOUSE_BUTTON5DOWN : 0; 3194 break; 3195 case 2: 3196 /* 3197 * this packet type is reserved by 3198 * Logitech... 3199 */ 3200 /* 3201 * IBM ScrollPoint Mouse uses this 3202 * packet type to encode both vertical 3203 * and horizontal scroll movement. 3204 */ 3205 *x = *y = 0; 3206 /* horizontal count */ 3207 if (pb->ipacket[2] & 0x0f) 3208 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3209 -2 : 2; 3210 /* vertical count */ 3211 if (pb->ipacket[2] & 0xf0) 3212 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3213 -1 : 1; 3214 break; 3215 case 0: 3216 /* device type packet - shouldn't happen */ 3217 /* FALLTHROUGH */ 3218 default: 3219 *x = *y = 0; 3220 ms->button = ms->obutton; 3221 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3222 "type %d: 0x%02x 0x%02x 0x%02x\n", 3223 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3224 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3225 break; 3226 } 3227 } else { 3228 /* preserve button states */ 3229 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3230 } 3231 } 3232 3233 static int 3234 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3235 int *x, int *y, int *z) 3236 { 3237 static int touchpad_buttons; 3238 static int guest_buttons; 3239 static int ew_finger_count; 3240 static finger_t f[PSM_FINGERS]; 3241 int w, id, nfingers, palm, ewcode, extended_buttons, clickpad_pressed; 3242 3243 extended_buttons = 0; 3244 3245 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3246 * 3247 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3248 * ------------------------------------------------ 3249 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3250 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3251 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3252 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3253 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3254 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3255 * 3256 * Legend: 3257 * L: left physical mouse button 3258 * R: right physical mouse button 3259 * D: down button 3260 * U: up button 3261 * W: "wrist" value 3262 * X: x position 3263 * Y: y position 3264 * Z: pressure 3265 * 3266 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3267 * 3268 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3269 * ------------------------------------------------------ 3270 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3271 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3272 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3273 * 3274 * Legend: 3275 * M: Middle physical mouse button 3276 * E: Extended mouse buttons reported instead of low bits of X and Y 3277 * b1-b8: Extended mouse buttons 3278 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3279 * 4 and 5, for reading X and Y value they should be zeroed. 3280 * 3281 * Absolute reportable limits: 0 - 6143. 3282 * Typical bezel limits: 1472 - 5472. 3283 * Typical edge marings: 1632 - 5312. 3284 * 3285 * w = 3 Passthrough Packet 3286 * 3287 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3288 */ 3289 3290 if (!synaptics_support) 3291 return (0); 3292 3293 /* Sanity check for out of sync packets. */ 3294 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3295 (pb->ipacket[3] & 0xc8) != 0xc0) 3296 return (-1); 3297 3298 *x = *y = 0; 3299 ms->button = ms->obutton; 3300 3301 /* 3302 * Pressure value. 3303 * Interpretation: 3304 * z = 0 No finger contact 3305 * z = 10 Finger hovering near the pad 3306 * z = 30 Very light finger contact 3307 * z = 80 Normal finger contact 3308 * z = 110 Very heavy finger contact 3309 * z = 200 Finger lying flat on pad surface 3310 * z = 255 Maximum reportable Z 3311 */ 3312 *z = pb->ipacket[2]; 3313 3314 /* 3315 * Finger width value 3316 * Interpretation: 3317 * w = 0 Two finger on the pad (capMultiFinger needed) 3318 * w = 1 Three or more fingers (capMultiFinger needed) 3319 * w = 2 Pen (instead of finger) (capPen needed) 3320 * w = 3 Reserved (passthrough?) 3321 * w = 4-7 Finger of normal width (capPalmDetect needed) 3322 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3323 * w = 15 Maximum reportable width (capPalmDetect needed) 3324 */ 3325 /* XXX Is checking capExtended enough? */ 3326 if (sc->synhw.capExtended) 3327 w = ((pb->ipacket[0] & 0x30) >> 2) | 3328 ((pb->ipacket[0] & 0x04) >> 1) | 3329 ((pb->ipacket[3] & 0x04) >> 2); 3330 else { 3331 /* Assume a finger of regular width. */ 3332 w = 4; 3333 } 3334 3335 switch (w) { 3336 case 3: 3337 /* 3338 * Handle packets from the guest device. See: 3339 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3340 */ 3341 if (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX) { 3342 *x = ((pb->ipacket[1] & 0x10) ? 3343 pb->ipacket[4] - 256 : pb->ipacket[4]); 3344 *y = ((pb->ipacket[1] & 0x20) ? 3345 pb->ipacket[5] - 256 : pb->ipacket[5]); 3346 *z = 0; 3347 3348 guest_buttons = 0; 3349 if (pb->ipacket[1] & 0x01) 3350 guest_buttons |= MOUSE_BUTTON1DOWN; 3351 if (pb->ipacket[1] & 0x04) 3352 guest_buttons |= MOUSE_BUTTON2DOWN; 3353 if (pb->ipacket[1] & 0x02) 3354 guest_buttons |= MOUSE_BUTTON3DOWN; 3355 #ifdef EVDEV_SUPPORT 3356 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3357 evdev_push_rel(sc->evdev_r, REL_X, *x); 3358 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3359 evdev_push_mouse_btn(sc->evdev_r, 3360 guest_buttons); 3361 evdev_sync(sc->evdev_r); 3362 } 3363 #endif 3364 ms->button = touchpad_buttons | guest_buttons | 3365 sc->extended_buttons; 3366 } 3367 goto SYNAPTICS_END; 3368 3369 case 2: 3370 /* Handle Extended W mode packets */ 3371 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3372 #if PSM_FINGERS > 1 3373 switch (ewcode) { 3374 case 1: 3375 /* Secondary finger */ 3376 if (sc->synhw.capAdvancedGestures) 3377 f[1] = (finger_t) { 3378 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3379 pb->ipacket[1]) << 1, 3380 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3381 pb->ipacket[2]) << 1, 3382 .p = ((pb->ipacket[3] & 0x30) | 3383 (pb->ipacket[5] & 0x0f)) << 1, 3384 .w = PSM_FINGER_DEFAULT_W, 3385 .flags = PSM_FINGER_FUZZY, 3386 }; 3387 else if (sc->synhw.capReportsV) 3388 f[1] = (finger_t) { 3389 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3390 (pb->ipacket[1] & 0xfe)) << 1, 3391 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3392 (pb->ipacket[2] & 0xfe)) << 1, 3393 .p = ((pb->ipacket[3] & 0x30) | 3394 (pb->ipacket[5] & 0x0e)) << 1, 3395 .w = (((pb->ipacket[5] & 0x01) << 2) | 3396 ((pb->ipacket[2] & 0x01) << 1) | 3397 (pb->ipacket[1] & 0x01)) + 8, 3398 .flags = PSM_FINGER_FUZZY, 3399 }; 3400 break; 3401 case 2: 3402 ew_finger_count = pb->ipacket[1] & 0x0f; 3403 default: 3404 break; 3405 } 3406 #endif 3407 goto SYNAPTICS_END; 3408 3409 case 1: 3410 if (sc->synhw.capReportsV && ew_finger_count > 3) { 3411 nfingers = ew_finger_count; 3412 break; 3413 } 3414 /* FALLTHROUGH */ 3415 case 0: 3416 nfingers = w + 2; 3417 break; 3418 3419 default: 3420 nfingers = 1; 3421 } 3422 3423 if (sc->syninfo.touchpad_off) 3424 goto SYNAPTICS_END; 3425 3426 /* Button presses */ 3427 touchpad_buttons = 0; 3428 if (pb->ipacket[0] & 0x01) 3429 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3430 if (pb->ipacket[0] & 0x02) 3431 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3432 3433 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3434 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3435 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3436 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3437 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3438 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3439 !sc->synhw.capClickPad) { 3440 /* Middle Button */ 3441 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3442 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3443 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3444 /* Extended Buttons */ 3445 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3446 if (sc->syninfo.directional_scrolls) { 3447 if (pb->ipacket[4] & 0x01) 3448 extended_buttons |= MOUSE_BUTTON4DOWN; 3449 if (pb->ipacket[5] & 0x01) 3450 extended_buttons |= MOUSE_BUTTON5DOWN; 3451 if (pb->ipacket[4] & 0x02) 3452 extended_buttons |= MOUSE_BUTTON6DOWN; 3453 if (pb->ipacket[5] & 0x02) 3454 extended_buttons |= MOUSE_BUTTON7DOWN; 3455 } else { 3456 if (pb->ipacket[4] & 0x01) 3457 extended_buttons |= MOUSE_BUTTON1DOWN; 3458 if (pb->ipacket[5] & 0x01) 3459 extended_buttons |= MOUSE_BUTTON3DOWN; 3460 if (pb->ipacket[4] & 0x02) 3461 extended_buttons |= MOUSE_BUTTON2DOWN; 3462 sc->extended_buttons = extended_buttons; 3463 } 3464 3465 /* 3466 * Zero out bits used by extended buttons to avoid 3467 * misinterpretation of the data absolute position. 3468 * 3469 * The bits represented by 3470 * 3471 * (nExtendedButtons + 1) >> 1 3472 * 3473 * will be masked out in both bytes. 3474 * The mask for n bits is computed with the formula 3475 * 3476 * (1 << n) - 1 3477 */ 3478 int maskedbits = 0; 3479 int mask = 0; 3480 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3481 mask = (1 << maskedbits) - 1; 3482 #ifdef EVDEV_SUPPORT 3483 int i; 3484 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3485 if (sc->synhw.capPassthrough) { 3486 evdev_push_mouse_btn(sc->evdev_r, 3487 extended_buttons); 3488 evdev_sync(sc->evdev_r); 3489 } 3490 for (i = 0; i < maskedbits; i++) { 3491 evdev_push_key(sc->evdev_a, 3492 BTN_0 + i * 2, 3493 pb->ipacket[4] & (1 << i)); 3494 evdev_push_key(sc->evdev_a, 3495 BTN_0 + i * 2 + 1, 3496 pb->ipacket[5] & (1 << i)); 3497 } 3498 } 3499 #endif 3500 pb->ipacket[4] &= ~(mask); 3501 pb->ipacket[5] &= ~(mask); 3502 } else if (!sc->syninfo.directional_scrolls && 3503 !sc->gesture.in_vscroll) { 3504 /* 3505 * Keep reporting MOUSE DOWN until we get a new packet 3506 * indicating otherwise. 3507 */ 3508 extended_buttons |= sc->extended_buttons; 3509 } 3510 } 3511 3512 if (sc->synhw.capReportsV && nfingers > 1) 3513 f[0] = (finger_t) { 3514 .x = ((pb->ipacket[3] & 0x10) << 8) | 3515 ((pb->ipacket[1] & 0x0f) << 8) | 3516 (pb->ipacket[4] & 0xfd), 3517 .y = ((pb->ipacket[3] & 0x20) << 7) | 3518 ((pb->ipacket[1] & 0xf0) << 4) | 3519 (pb->ipacket[5] & 0xfd), 3520 .p = *z & 0xfe, 3521 .w = (((pb->ipacket[2] & 0x01) << 2) | 3522 (pb->ipacket[5] & 0x02) | 3523 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3524 .flags = PSM_FINGER_FUZZY, 3525 }; 3526 else 3527 f[0] = (finger_t) { 3528 .x = ((pb->ipacket[3] & 0x10) << 8) | 3529 ((pb->ipacket[1] & 0x0f) << 8) | 3530 pb->ipacket[4], 3531 .y = ((pb->ipacket[3] & 0x20) << 7) | 3532 ((pb->ipacket[1] & 0xf0) << 4) | 3533 pb->ipacket[5], 3534 .p = *z, 3535 .w = w, 3536 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3537 }; 3538 3539 /* Ignore hovering and unmeasurable touches */ 3540 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3541 nfingers = 0; 3542 3543 /* Handle ClickPad */ 3544 if (sc->synhw.capClickPad) { 3545 clickpad_pressed = (pb->ipacket[0] ^ pb->ipacket[3]) & 0x01; 3546 if (sc->synhw.forcePad) { 3547 /* 3548 * Forcepads erroneously report button click if there 3549 * are 2 or more fingers on the touchpad breaking 3550 * multifinger gestures. To workaround this start 3551 * reporting a click only after 4 consecutive single 3552 * touch packets has been received. 3553 * Skip these packets in case more contacts appear. 3554 */ 3555 switch (nfingers) { 3556 case 0: 3557 sc->fpcount = 0; 3558 break; 3559 case 1: 3560 if (clickpad_pressed && sc->fpcount < INT_MAX) 3561 ++sc->fpcount; 3562 /* FALLTHROUGH */ 3563 default: 3564 if (!clickpad_pressed) 3565 sc->fpcount = 0; 3566 if (sc->fpcount >= sc->syninfo.window_min) 3567 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3568 } 3569 } else if (clickpad_pressed) 3570 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3571 } 3572 3573 for (id = 0; id < PSM_FINGERS; id++) 3574 if (id >= nfingers) 3575 PSM_FINGER_RESET(f[id]); 3576 3577 #ifdef EVDEV_SUPPORT 3578 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3579 for (id = 0; id < PSM_FINGERS; id++) { 3580 if (PSM_FINGER_IS_SET(f[id])) 3581 psm_push_mt_finger(sc, id, &f[id]); 3582 else 3583 psm_release_mt_slot(sc->evdev_a, id); 3584 } 3585 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3586 evdev_push_nfingers(sc->evdev_a, nfingers); 3587 if (nfingers > 0) 3588 psm_push_st_finger(sc, &f[0]); 3589 else 3590 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3591 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3592 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3593 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3594 touchpad_buttons & MOUSE_BUTTON4DOWN); 3595 evdev_push_key(sc->evdev_a, BTN_BACK, 3596 touchpad_buttons & MOUSE_BUTTON5DOWN); 3597 } 3598 evdev_sync(sc->evdev_a); 3599 } 3600 #endif 3601 3602 ms->button = touchpad_buttons; 3603 3604 palm = psmpalmdetect(sc, &f[0], nfingers); 3605 3606 /* Palm detection doesn't terminate the current action. */ 3607 if (!palm) 3608 psmgestures(sc, &f[0], nfingers, ms); 3609 3610 for (id = 0; id < PSM_FINGERS; id++) 3611 psmsmoother(sc, &f[id], id, ms, x, y); 3612 3613 if (palm) { 3614 *x = *y = *z = 0; 3615 ms->button = ms->obutton; 3616 return (0); 3617 } 3618 3619 ms->button |= extended_buttons | guest_buttons; 3620 3621 SYNAPTICS_END: 3622 /* 3623 * Use the extra buttons as a scrollwheel 3624 * 3625 * XXX X.Org uses the Z axis for vertical wheel only, 3626 * whereas moused(8) understands special values to differ 3627 * vertical and horizontal wheels. 3628 * 3629 * xf86-input-mouse needs therefore a small patch to 3630 * understand these special values. Without it, the 3631 * horizontal wheel acts as a vertical wheel in X.Org. 3632 * 3633 * That's why the horizontal wheel is disabled by 3634 * default for now. 3635 */ 3636 if (ms->button & MOUSE_BUTTON4DOWN) 3637 *z = -1; 3638 else if (ms->button & MOUSE_BUTTON5DOWN) 3639 *z = 1; 3640 else if (ms->button & MOUSE_BUTTON6DOWN) 3641 *z = -2; 3642 else if (ms->button & MOUSE_BUTTON7DOWN) 3643 *z = 2; 3644 else 3645 *z = 0; 3646 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3647 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3648 3649 return (0); 3650 } 3651 3652 static int 3653 proc_synaptics_mux(struct psm_softc *sc, packetbuf_t *pb) 3654 { 3655 int butt; 3656 3657 /* 3658 * Convert 3-byte interleaved mixture of Synaptics and generic mouse 3659 * packets into plain 6-byte Synaptics packet protocol. 3660 * While in hidden multiplexing mode KBC does some editing of the 3661 * packet stream. It remembers the button bits from the last packet 3662 * received from each device, and replaces the button bits of every 3663 * packet with the logical OR of all devices’ most recent button bits. 3664 * This button crosstalk should be filtered out as Synaptics and 3665 * generic mouse encode middle button presses in a different way. 3666 */ 3667 switch (pb->ipacket[0] & 0xc0) { 3668 case 0x80: /* First 3 bytes of Synaptics packet */ 3669 bcopy(pb->ipacket, sc->muxsave, 3); 3670 /* Compute middle mouse button supression timeout. */ 3671 sc->muxmidtimeout.tv_sec = 0; 3672 sc->muxmidtimeout.tv_usec = 50000; /* ~2-3 ints */ 3673 timevaladd(&sc->muxmidtimeout, &sc->lastsoftintr); 3674 return (1); 3675 3676 case 0xc0: /* Second 3 bytes of Synaptics packet */ 3677 /* Join two 3-bytes absolute packets */ 3678 bcopy(pb->ipacket, pb->ipacket + 3, 3); 3679 bcopy(sc->muxsave, pb->ipacket, 3); 3680 /* Prefer trackpoint buttons over touchpad's */ 3681 pb->ipacket[0] &= ~(0x08 | sc->muxmsbuttons); 3682 pb->ipacket[3] &= ~(0x08 | sc->muxmsbuttons); 3683 butt = (pb->ipacket[3] & 0x03) << 2 | (pb->ipacket[0] & 0x03); 3684 /* Add hysteresis to remove spurious middle button events */ 3685 if (butt != sc->muxtpbuttons && sc->fpcount < 1) { 3686 pb->ipacket[0] &= 0xfc; 3687 pb->ipacket[0] |= sc->muxtpbuttons & 0x03; 3688 pb->ipacket[3] &= 0xfc; 3689 pb->ipacket[3] |= sc->muxtpbuttons >> 2 & 0x03; 3690 ++sc->fpcount; 3691 } else { 3692 sc->fpcount = 0; 3693 sc->muxtpbuttons = butt; 3694 } 3695 /* Filter out impossible w induced by middle trackpoint btn */ 3696 if (sc->synhw.capExtended && !sc->synhw.capPassthrough && 3697 (pb->ipacket[0] & 0x34) == 0x04 && 3698 (pb->ipacket[3] & 0x04) == 0x04) { 3699 pb->ipacket[0] &= 0xfb; 3700 pb->ipacket[3] &= 0xfb; 3701 } 3702 sc->muxsave[0] &= 0x30; 3703 break; 3704 3705 default: /* Generic mouse (Trackpoint) packet */ 3706 /* Filter out middle button events induced by some w values */ 3707 if (sc->muxmsbuttons & 0x03 || pb->ipacket[0] & 0x03 || 3708 (timevalcmp(&sc->lastsoftintr, &sc->muxmidtimeout, <=) && 3709 (sc->muxsave[0] & 0x30 || sc->muxsave[2] > 8))) 3710 pb->ipacket[0] &= 0xfb; 3711 sc->muxmsbuttons = pb->ipacket[0] & 0x07; 3712 /* Convert to Synaptics pass-through protocol */ 3713 pb->ipacket[4] = pb->ipacket[1]; 3714 pb->ipacket[5] = pb->ipacket[2]; 3715 pb->ipacket[1] = pb->ipacket[0]; 3716 pb->ipacket[2] = 0; 3717 pb->ipacket[0] = 0x84 | (sc->muxtpbuttons & 0x03); 3718 pb->ipacket[3] = 0xc4 | (sc->muxtpbuttons >> 2 & 0x03); 3719 } 3720 3721 VLOG(4, (LOG_DEBUG, "synaptics: %02x %02x %02x %02x %02x %02x\n", 3722 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3723 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3724 3725 pb->inputbytes = MOUSE_SYNAPTICS_PACKETSIZE; 3726 return (0); 3727 } 3728 3729 static int 3730 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3731 { 3732 if (!( 3733 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3734 !sc->synhw.capReportsV && nfingers > 1) || 3735 (sc->synhw.capReportsV && nfingers > 2) || 3736 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3737 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3738 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3739 /* 3740 * We consider the packet irrelevant for the current 3741 * action when: 3742 * - the width isn't comprised in: 3743 * [1; max_width] 3744 * - the pressure isn't comprised in: 3745 * [min_pressure; max_pressure] 3746 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3747 */ 3748 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3749 return (1); 3750 } 3751 return (0); 3752 } 3753 3754 static void 3755 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3756 mousestatus_t *ms) 3757 { 3758 smoother_t *smoother; 3759 gesture_t *gest; 3760 finger_t *f; 3761 int y_ok, center_button, center_x, right_button, right_x, i; 3762 3763 f = &fingers[0]; 3764 smoother = &sc->smoother[0]; 3765 gest = &sc->gesture; 3766 3767 /* Find first active finger. */ 3768 if (nfingers > 0) { 3769 for (i = 0; i < PSM_FINGERS; i++) { 3770 if (PSM_FINGER_IS_SET(fingers[i])) { 3771 f = &fingers[i]; 3772 smoother = &sc->smoother[i]; 3773 break; 3774 } 3775 } 3776 } 3777 3778 /* 3779 * Check pressure to detect a real wanted action on the 3780 * touchpad. 3781 */ 3782 if (f->p >= sc->syninfo.min_pressure) { 3783 int x0, y0; 3784 int dxp, dyp; 3785 int start_x, start_y; 3786 int queue_len; 3787 int margin_top, margin_right, margin_bottom, margin_left; 3788 int window_min, window_max; 3789 int vscroll_hor_area, vscroll_ver_area; 3790 int two_finger_scroll; 3791 int max_x, max_y; 3792 int three_finger_drag; 3793 3794 /* Read sysctl. */ 3795 /* XXX Verify values? */ 3796 margin_top = sc->syninfo.margin_top; 3797 margin_right = sc->syninfo.margin_right; 3798 margin_bottom = sc->syninfo.margin_bottom; 3799 margin_left = sc->syninfo.margin_left; 3800 window_min = sc->syninfo.window_min; 3801 window_max = sc->syninfo.window_max; 3802 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3803 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3804 two_finger_scroll = sc->syninfo.two_finger_scroll; 3805 max_x = sc->syninfo.max_x; 3806 max_y = sc->syninfo.max_y; 3807 three_finger_drag = sc->syninfo.three_finger_drag; 3808 /* Read current absolute position. */ 3809 x0 = f->x; 3810 y0 = f->y; 3811 3812 /* 3813 * Limit the coordinates to the specified margins because 3814 * this area isn't very reliable. 3815 */ 3816 if (x0 <= margin_left) 3817 x0 = margin_left; 3818 else if (x0 >= max_x - margin_right) 3819 x0 = max_x - margin_right; 3820 if (y0 <= margin_bottom) 3821 y0 = margin_bottom; 3822 else if (y0 >= max_y - margin_top) 3823 y0 = max_y - margin_top; 3824 3825 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3826 x0, y0, f->p, f->w)); 3827 3828 /* 3829 * If the action is just beginning, init the structure and 3830 * compute tap timeout. 3831 */ 3832 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3833 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3834 3835 /* Initialize queue. */ 3836 gest->window_min = window_min; 3837 3838 /* Reset pressure peak. */ 3839 gest->zmax = 0; 3840 3841 /* Reset fingers count. */ 3842 gest->fingers_nb = 0; 3843 3844 /* Reset virtual scrolling state. */ 3845 gest->in_vscroll = 0; 3846 3847 /* Compute tap timeout. */ 3848 if (tap_enabled != 0) { 3849 gest->taptimeout = (struct timeval) { 3850 .tv_sec = tap_timeout / 1000000, 3851 .tv_usec = tap_timeout % 1000000, 3852 }; 3853 timevaladd( 3854 &gest->taptimeout, &sc->lastsoftintr); 3855 } else 3856 timevalclear(&gest->taptimeout); 3857 3858 sc->flags |= PSM_FLAGS_FINGERDOWN; 3859 3860 /* Smoother has not been reset yet */ 3861 queue_len = 1; 3862 start_x = x0; 3863 start_y = y0; 3864 } else { 3865 queue_len = smoother->queue_len + 1; 3866 start_x = smoother->start_x; 3867 start_y = smoother->start_y; 3868 } 3869 3870 /* Process ClickPad softbuttons */ 3871 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3872 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3873 start_y < sc->syninfo.softbuttons_y : 3874 start_y > max_y + sc->syninfo.softbuttons_y; 3875 3876 center_button = MOUSE_BUTTON2DOWN; 3877 center_x = sc->syninfo.softbutton2_x; 3878 right_button = MOUSE_BUTTON3DOWN; 3879 right_x = sc->syninfo.softbutton3_x; 3880 3881 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3882 center_button = MOUSE_BUTTON3DOWN; 3883 center_x = sc->syninfo.softbutton3_x; 3884 right_button = MOUSE_BUTTON2DOWN; 3885 right_x = sc->syninfo.softbutton2_x; 3886 } 3887 3888 if (right_x > 0 && start_x > right_x && y_ok) 3889 ms->button = (ms->button & 3890 ~MOUSE_BUTTON1DOWN) | right_button; 3891 else if (center_x > 0 && start_x > center_x && y_ok) 3892 ms->button = (ms->button & 3893 ~MOUSE_BUTTON1DOWN) | center_button; 3894 } 3895 3896 /* If in tap-hold or three fingers, add the recorded button. */ 3897 if (gest->in_taphold || (nfingers == 3 && three_finger_drag)) 3898 ms->button |= gest->tap_button; 3899 3900 /* 3901 * For tap, we keep the maximum number of fingers and the 3902 * pressure peak. Also with multiple fingers, we increase 3903 * the minimum window. 3904 */ 3905 if (nfingers > 1) 3906 gest->window_min = window_max; 3907 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3908 gest->zmax = imax(f->p, gest->zmax); 3909 3910 /* Do we have enough packets to consider this a gesture? */ 3911 if (queue_len < gest->window_min) 3912 return; 3913 3914 dyp = -1; 3915 dxp = -1; 3916 3917 /* Is a scrolling action occurring? */ 3918 if (!gest->in_taphold && !ms->button && 3919 (!gest->in_vscroll || two_finger_scroll)) { 3920 /* 3921 * A scrolling action must not conflict with a tap 3922 * action. Here are the conditions to consider a 3923 * scrolling action: 3924 * - the action in a configurable area 3925 * - one of the following: 3926 * . the distance between the last packet and the 3927 * first should be above a configurable minimum 3928 * . tap timed out 3929 */ 3930 dxp = abs(x0 - start_x); 3931 dyp = abs(y0 - start_y); 3932 3933 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3934 dxp >= sc->syninfo.vscroll_min_delta || 3935 dyp >= sc->syninfo.vscroll_min_delta) { 3936 /* 3937 * Handle two finger scrolling. 3938 * Note that we don't rely on fingers_nb 3939 * as that keeps the maximum number of fingers. 3940 */ 3941 if (two_finger_scroll) { 3942 if (nfingers == 2) { 3943 gest->in_vscroll += 3944 dyp ? 2 : 0; 3945 gest->in_vscroll += 3946 dxp ? 1 : 0; 3947 } 3948 } else { 3949 /* Check for horizontal scrolling. */ 3950 if ((vscroll_hor_area > 0 && 3951 start_y <= vscroll_hor_area) || 3952 (vscroll_hor_area < 0 && 3953 start_y >= 3954 max_y + vscroll_hor_area)) 3955 gest->in_vscroll += 2; 3956 3957 /* Check for vertical scrolling. */ 3958 if ((vscroll_ver_area > 0 && 3959 start_x <= vscroll_ver_area) || 3960 (vscroll_ver_area < 0 && 3961 start_x >= 3962 max_x + vscroll_ver_area)) 3963 gest->in_vscroll += 1; 3964 } 3965 3966 /* Avoid conflicts if area overlaps. */ 3967 if (gest->in_vscroll >= 3) 3968 gest->in_vscroll = 3969 (dxp > dyp) ? 2 : 1; 3970 } 3971 } 3972 /* 3973 * Reset two finger scrolling when the number of fingers 3974 * is different from two or any button is pressed. 3975 */ 3976 if (two_finger_scroll && gest->in_vscroll != 0 && 3977 (nfingers != 2 || ms->button)) 3978 gest->in_vscroll = 0; 3979 3980 VLOG(5, (LOG_DEBUG, 3981 "synaptics: virtual scrolling: %s " 3982 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3983 gest->in_vscroll ? "YES" : "NO", 3984 gest->in_vscroll, dxp, dyp, 3985 gest->fingers_nb)); 3986 3987 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3988 /* 3989 * An action is currently taking place but the pressure 3990 * dropped under the minimum, putting an end to it. 3991 */ 3992 int taphold_timeout, dx, dy, tap_max_delta; 3993 3994 dx = abs(smoother->queue[smoother->queue_cursor].x - 3995 smoother->start_x); 3996 dy = abs(smoother->queue[smoother->queue_cursor].y - 3997 smoother->start_y); 3998 3999 /* Max delta is disabled for multi-fingers tap. */ 4000 if (gest->fingers_nb > 1) 4001 tap_max_delta = imax(dx, dy); 4002 else 4003 tap_max_delta = sc->syninfo.tap_max_delta; 4004 4005 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4006 4007 /* Check for tap. */ 4008 VLOG(3, (LOG_DEBUG, 4009 "synaptics: zmax=%d, dx=%d, dy=%d, " 4010 "delta=%d, fingers=%d, queue=%d\n", 4011 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 4012 smoother->queue_len)); 4013 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 4014 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 4015 dx <= tap_max_delta && dy <= tap_max_delta && 4016 smoother->queue_len >= sc->syninfo.tap_min_queue) { 4017 /* 4018 * We have a tap if: 4019 * - the maximum pressure went over tap_threshold 4020 * - the action ended before tap_timeout 4021 * 4022 * To handle tap-hold, we must delay any button push to 4023 * the next action. 4024 */ 4025 if (gest->in_taphold) { 4026 /* 4027 * This is the second and last tap of a 4028 * double tap action, not a tap-hold. 4029 */ 4030 gest->in_taphold = 0; 4031 4032 /* 4033 * For double-tap to work: 4034 * - no button press is emitted (to 4035 * simulate a button release) 4036 * - PSM_FLAGS_FINGERDOWN is set to 4037 * force the next packet to emit a 4038 * button press) 4039 */ 4040 VLOG(2, (LOG_DEBUG, 4041 "synaptics: button RELEASE: %d\n", 4042 gest->tap_button)); 4043 sc->flags |= PSM_FLAGS_FINGERDOWN; 4044 4045 /* Schedule button press on next interrupt */ 4046 sc->idletimeout.tv_sec = psmhz > 1 ? 4047 0 : 1; 4048 sc->idletimeout.tv_usec = psmhz > 1 ? 4049 1000000 / psmhz : 0; 4050 } else { 4051 /* 4052 * This is the first tap: we set the 4053 * tap-hold state and notify the button 4054 * down event. 4055 */ 4056 gest->in_taphold = 1; 4057 taphold_timeout = sc->syninfo.taphold_timeout; 4058 gest->taptimeout.tv_sec = taphold_timeout / 4059 1000000; 4060 gest->taptimeout.tv_usec = taphold_timeout % 4061 1000000; 4062 sc->idletimeout = gest->taptimeout; 4063 timevaladd(&gest->taptimeout, 4064 &sc->lastsoftintr); 4065 4066 switch (gest->fingers_nb) { 4067 case 3: 4068 gest->tap_button = 4069 MOUSE_BUTTON2DOWN; 4070 break; 4071 case 2: 4072 gest->tap_button = 4073 MOUSE_BUTTON3DOWN; 4074 break; 4075 default: 4076 gest->tap_button = 4077 MOUSE_BUTTON1DOWN; 4078 } 4079 VLOG(2, (LOG_DEBUG, 4080 "synaptics: button PRESS: %d\n", 4081 gest->tap_button)); 4082 ms->button |= gest->tap_button; 4083 } 4084 } else { 4085 /* 4086 * Not enough pressure or timeout: reset 4087 * tap-hold state. 4088 */ 4089 if (gest->in_taphold) { 4090 VLOG(2, (LOG_DEBUG, 4091 "synaptics: button RELEASE: %d\n", 4092 gest->tap_button)); 4093 gest->in_taphold = 0; 4094 } else { 4095 VLOG(2, (LOG_DEBUG, 4096 "synaptics: not a tap-hold\n")); 4097 } 4098 } 4099 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 4100 /* 4101 * For a tap-hold to work, the button must remain down at 4102 * least until timeout (where the in_taphold flags will be 4103 * cleared) or during the next action. 4104 */ 4105 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 4106 ms->button |= gest->tap_button; 4107 } else { 4108 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 4109 gest->tap_button)); 4110 gest->in_taphold = 0; 4111 } 4112 } 4113 4114 return; 4115 } 4116 4117 static void 4118 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 4119 mousestatus_t *ms, int *x, int *y) 4120 { 4121 smoother_t *smoother = &sc->smoother[smoother_id]; 4122 gesture_t *gest = &(sc->gesture); 4123 4124 /* 4125 * Check pressure to detect a real wanted action on the 4126 * touchpad. 4127 */ 4128 if (f->p >= sc->syninfo.min_pressure) { 4129 int x0, y0; 4130 int cursor, peer, window; 4131 int dx, dy, dxp, dyp; 4132 int max_width, max_pressure; 4133 int margin_top, margin_right, margin_bottom, margin_left; 4134 int na_top, na_right, na_bottom, na_left; 4135 int window_min, window_max; 4136 int multiplicator; 4137 int weight_current, weight_previous, weight_len_squared; 4138 int div_min, div_max, div_len; 4139 int vscroll_hor_area, vscroll_ver_area; 4140 int two_finger_scroll; 4141 int max_x, max_y; 4142 int len, weight_prev_x, weight_prev_y; 4143 int div_max_x, div_max_y, div_x, div_y; 4144 int is_fuzzy; 4145 int natural_scroll; 4146 4147 /* Read sysctl. */ 4148 /* XXX Verify values? */ 4149 max_width = sc->syninfo.max_width; 4150 max_pressure = sc->syninfo.max_pressure; 4151 margin_top = sc->syninfo.margin_top; 4152 margin_right = sc->syninfo.margin_right; 4153 margin_bottom = sc->syninfo.margin_bottom; 4154 margin_left = sc->syninfo.margin_left; 4155 na_top = sc->syninfo.na_top; 4156 na_right = sc->syninfo.na_right; 4157 na_bottom = sc->syninfo.na_bottom; 4158 na_left = sc->syninfo.na_left; 4159 window_min = sc->syninfo.window_min; 4160 window_max = sc->syninfo.window_max; 4161 multiplicator = sc->syninfo.multiplicator; 4162 weight_current = sc->syninfo.weight_current; 4163 weight_previous = sc->syninfo.weight_previous; 4164 weight_len_squared = sc->syninfo.weight_len_squared; 4165 div_min = sc->syninfo.div_min; 4166 div_max = sc->syninfo.div_max; 4167 div_len = sc->syninfo.div_len; 4168 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 4169 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 4170 two_finger_scroll = sc->syninfo.two_finger_scroll; 4171 max_x = sc->syninfo.max_x; 4172 max_y = sc->syninfo.max_y; 4173 natural_scroll = sc->syninfo.natural_scroll; 4174 4175 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 4176 4177 /* Read current absolute position. */ 4178 x0 = f->x; 4179 y0 = f->y; 4180 4181 /* 4182 * Limit the coordinates to the specified margins because 4183 * this area isn't very reliable. 4184 */ 4185 if (x0 <= margin_left) 4186 x0 = margin_left; 4187 else if (x0 >= max_x - margin_right) 4188 x0 = max_x - margin_right; 4189 if (y0 <= margin_bottom) 4190 y0 = margin_bottom; 4191 else if (y0 >= max_y - margin_top) 4192 y0 = max_y - margin_top; 4193 4194 /* If the action is just beginning, init the structure. */ 4195 if (smoother->active == 0) { 4196 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4197 4198 /* Store the first point of this action. */ 4199 smoother->start_x = x0; 4200 smoother->start_y = y0; 4201 dx = dy = 0; 4202 4203 /* Initialize queue. */ 4204 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4205 smoother->queue_len = 0; 4206 4207 /* Reset average. */ 4208 smoother->avg_dx = 0; 4209 smoother->avg_dy = 0; 4210 4211 /* Reset squelch. */ 4212 smoother->squelch_x = 0; 4213 smoother->squelch_y = 0; 4214 4215 /* Activate queue */ 4216 smoother->active = 1; 4217 } else { 4218 /* Calculate the current delta. */ 4219 cursor = smoother->queue_cursor; 4220 dx = x0 - smoother->queue[cursor].x; 4221 dy = y0 - smoother->queue[cursor].y; 4222 } 4223 4224 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4225 smoother_id, x0, y0, f->p, f->w)); 4226 4227 /* Queue this new packet. */ 4228 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4229 smoother->queue[cursor].x = x0; 4230 smoother->queue[cursor].y = y0; 4231 smoother->queue_cursor = cursor; 4232 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4233 smoother->queue_len++; 4234 VLOG(5, (LOG_DEBUG, 4235 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4236 smoother_id, cursor, x0, y0, dx, dy)); 4237 4238 /* Do we have enough packets to consider this a movement? */ 4239 if (smoother->queue_len < gest->window_min) 4240 return; 4241 4242 weight_prev_x = weight_prev_y = weight_previous; 4243 div_max_x = div_max_y = div_max; 4244 4245 if (gest->in_vscroll) { 4246 /* Dividers are different with virtual scrolling. */ 4247 div_min = sc->syninfo.vscroll_div_min; 4248 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4249 } else { 4250 /* 4251 * There's a lot of noise in coordinates when 4252 * the finger is on the touchpad's borders. When 4253 * using this area, we apply a special weight and 4254 * div. 4255 */ 4256 if (x0 <= na_left || x0 >= max_x - na_right) { 4257 weight_prev_x = sc->syninfo.weight_previous_na; 4258 div_max_x = sc->syninfo.div_max_na; 4259 } 4260 4261 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4262 weight_prev_y = sc->syninfo.weight_previous_na; 4263 div_max_y = sc->syninfo.div_max_na; 4264 } 4265 } 4266 4267 /* 4268 * Calculate weights for the average operands and 4269 * the divisor. Both depend on the distance between 4270 * the current packet and a previous one (based on the 4271 * window width). 4272 */ 4273 window = imin(smoother->queue_len, window_max); 4274 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4275 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4276 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4277 len = (dxp * dxp) + (dyp * dyp); 4278 weight_prev_x = imin(weight_prev_x, 4279 weight_len_squared * weight_prev_x / len); 4280 weight_prev_y = imin(weight_prev_y, 4281 weight_len_squared * weight_prev_y / len); 4282 4283 len = (dxp + dyp) / 2; 4284 div_x = div_len * div_max_x / len; 4285 div_x = imin(div_max_x, div_x); 4286 div_x = imax(div_min, div_x); 4287 div_y = div_len * div_max_y / len; 4288 div_y = imin(div_max_y, div_y); 4289 div_y = imax(div_min, div_y); 4290 4291 VLOG(3, (LOG_DEBUG, 4292 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4293 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4294 div_x, div_y)); 4295 4296 /* Compute averages. */ 4297 smoother->avg_dx = 4298 (weight_current * dx * multiplicator + 4299 weight_prev_x * smoother->avg_dx) / 4300 (weight_current + weight_prev_x); 4301 4302 smoother->avg_dy = 4303 (weight_current * dy * multiplicator + 4304 weight_prev_y * smoother->avg_dy) / 4305 (weight_current + weight_prev_y); 4306 4307 VLOG(5, (LOG_DEBUG, 4308 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4309 smoother->avg_dx / multiplicator, 4310 smoother->avg_dy / multiplicator)); 4311 4312 /* Use these averages to calculate x & y. */ 4313 smoother->squelch_x += smoother->avg_dx; 4314 dxp = smoother->squelch_x / (div_x * multiplicator); 4315 smoother->squelch_x = smoother->squelch_x % 4316 (div_x * multiplicator); 4317 4318 smoother->squelch_y += smoother->avg_dy; 4319 dyp = smoother->squelch_y / (div_y * multiplicator); 4320 smoother->squelch_y = smoother->squelch_y % 4321 (div_y * multiplicator); 4322 4323 switch(gest->in_vscroll) { 4324 case 0: /* Pointer movement. */ 4325 /* On real<->fuzzy finger switch the x/y pos jumps */ 4326 if (is_fuzzy == smoother->is_fuzzy) { 4327 *x += dxp; 4328 *y += dyp; 4329 } 4330 4331 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4332 smoother_id, dx, dy, dxp, dyp)); 4333 break; 4334 case 1: /* Vertical scrolling. */ 4335 if (dyp != 0) { 4336 if (two_finger_scroll && natural_scroll) 4337 ms->button |= (dyp > 0) ? 4338 MOUSE_BUTTON5DOWN : MOUSE_BUTTON4DOWN; 4339 else 4340 ms->button |= (dyp > 0) ? 4341 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4342 } 4343 break; 4344 case 2: /* Horizontal scrolling. */ 4345 if (dxp != 0) { 4346 if (two_finger_scroll && natural_scroll) 4347 ms->button |= (dxp > 0) ? 4348 MOUSE_BUTTON6DOWN : MOUSE_BUTTON7DOWN; 4349 else 4350 ms->button |= (dxp > 0) ? 4351 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4352 } 4353 break; 4354 } 4355 4356 smoother->is_fuzzy = is_fuzzy; 4357 4358 } else { 4359 /* 4360 * Deactivate queue. Note: We can not just reset queue here 4361 * as these values are still used by gesture processor. 4362 * So postpone reset till next touch. 4363 */ 4364 smoother->active = 0; 4365 } 4366 } 4367 4368 static int 4369 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4370 int *x, int *y, int *z) 4371 { 4372 static int touchpad_button, trackpoint_button; 4373 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4374 int pkt, id, scale, i, nfingers, mask, palm; 4375 4376 if (!elantech_support) 4377 return (0); 4378 4379 /* Determine packet format and do a sanity check for out of sync packets. */ 4380 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4381 pkt = ELANTECH_PKT_NOP; 4382 else if (sc->elanhw.hastrackpoint && ELANTECH_PKT_IS_TRACKPOINT(pb)) 4383 pkt = ELANTECH_PKT_TRACKPOINT; 4384 else 4385 switch (sc->elanhw.hwversion) { 4386 case 2: 4387 if (!ELANTECH_PKT_IS_V2(pb)) 4388 return (-1); 4389 4390 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4391 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4392 break; 4393 case 3: 4394 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4395 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4396 return (-1); 4397 4398 pkt = ELANTECH_PKT_V3; 4399 break; 4400 case 4: 4401 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4402 return (-1); 4403 4404 switch (pb->ipacket[3] & 0x03) { 4405 case 0x00: 4406 pkt = ELANTECH_PKT_V4_STATUS; 4407 break; 4408 case 0x01: 4409 pkt = ELANTECH_PKT_V4_HEAD; 4410 break; 4411 case 0x02: 4412 pkt = ELANTECH_PKT_V4_MOTION; 4413 break; 4414 default: 4415 return (-1); 4416 } 4417 break; 4418 default: 4419 return (-1); 4420 } 4421 4422 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4423 4424 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4425 PSM_FINGER_RESET(f[id]); 4426 4427 *x = *y = *z = 0; 4428 ms->button = ms->obutton; 4429 4430 if (sc->syninfo.touchpad_off) 4431 return (0); 4432 4433 /* Common legend 4434 * L: Left mouse button pressed 4435 * R: Right mouse button pressed 4436 * N: number of fingers on touchpad 4437 * X: absolute x value (horizontal) 4438 * Y: absolute y value (vertical) 4439 * W; width of the finger touch 4440 * P: pressure 4441 */ 4442 switch (pkt) { 4443 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4444 /* 7 6 5 4 3 2 1 0 (LSB) 4445 * ------------------------------------------- 4446 * ipacket[0]: N1 N0 W3 W2 . . R L 4447 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4448 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4449 * ipacket[3]: N4 VF W1 W0 . . . B2 4450 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4451 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4452 * ------------------------------------------- 4453 * N4: set if more than 3 fingers (only in 3 fingers mode) 4454 * VF: a kind of flag? (only on EF123, 0 when finger 4455 * is over one of the buttons, 1 otherwise) 4456 * B2: (on EF113 only, 0 otherwise), one button pressed 4457 * P & W is not reported on EF113 touchpads 4458 */ 4459 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4460 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4461 nfingers = 4; 4462 4463 if (nfingers == 0) { 4464 mask = (1 << nfingers) - 1; /* = 0x00 */ 4465 break; 4466 } 4467 4468 /* Map 3-rd and 4-th fingers to first finger */ 4469 mask = (1 << 1) - 1; /* = 0x01 */ 4470 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4471 if (sc->elanhw.haspressure) { 4472 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4473 ((pb->ipacket[3] & 0x30) >> 4); 4474 } else { 4475 f[0].p = PSM_FINGER_DEFAULT_P; 4476 f[0].w = PSM_FINGER_DEFAULT_W; 4477 } 4478 4479 /* 4480 * HW v2 dont report exact finger positions when 3 or more 4481 * fingers are on touchpad. 4482 */ 4483 if (nfingers > 2) 4484 f[0].flags = PSM_FINGER_FUZZY; 4485 4486 break; 4487 4488 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4489 /* 7 6 5 4 3 2 1 0 (LSB) 4490 * ------------------------------------------- 4491 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4492 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4493 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4494 * ipacket[3]: . . BY8 BX8 . . . . 4495 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4496 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4497 * ------------------------------------------- 4498 * AX: lower-left finger absolute x value 4499 * AY: lower-left finger absolute y value 4500 * BX: upper-right finger absolute x value 4501 * BY: upper-right finger absolute y value 4502 */ 4503 nfingers = 2; 4504 mask = (1 << nfingers) - 1; 4505 4506 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4507 f[id] = (finger_t) { 4508 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4509 pb->ipacket[id * 3 + 1]) << 2, 4510 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4511 pb->ipacket[id * 3 + 2]) << 2, 4512 .p = PSM_FINGER_DEFAULT_P, 4513 .w = PSM_FINGER_DEFAULT_W, 4514 /* HW ver.2 sends bounding box */ 4515 .flags = PSM_FINGER_FUZZY 4516 }; 4517 break; 4518 4519 case ELANTECH_PKT_V3: /* HW Version 3 */ 4520 /* 7 6 5 4 3 2 1 0 (LSB) 4521 * ------------------------------------------- 4522 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4523 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4524 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4525 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4526 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4527 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4528 * ------------------------------------------- 4529 */ 4530 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4531 /* Map 3-rd finger to first finger */ 4532 id = nfingers > 2 ? 0 : nfingers - 1; 4533 mask = (1 << (id + 1)) - 1; 4534 4535 if (nfingers == 0) 4536 break; 4537 4538 fn = ELANTECH_FINGER_SET_XYP(pb); 4539 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4540 ((pb->ipacket[3] & 0x30) >> 4); 4541 4542 /* 4543 * HW v3 dont report exact finger positions when 3 or more 4544 * fingers are on touchpad. 4545 */ 4546 if (nfingers > 1) 4547 fn.flags = PSM_FINGER_FUZZY; 4548 4549 if (nfingers == 2) { 4550 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4551 sc->elanaction.fingers[0] = fn; 4552 return (0); 4553 } else 4554 f[0] = sc->elanaction.fingers[0]; 4555 } 4556 f[id] = fn; 4557 break; 4558 4559 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4560 /* 7 6 5 4 3 2 1 0 (LSB) 4561 * ------------------------------------------- 4562 * ipacket[0]: . . . . 0 1 R L 4563 * ipacket[1]: . . . F4 F3 F2 F1 F0 4564 * ipacket[2]: . . . . . . . . 4565 * ipacket[3]: . . . 1 0 0 0 0 4566 * ipacket[4]: PL . . . . . . . 4567 * ipacket[5]: . . . . . . . . 4568 * ------------------------------------------- 4569 * Fn: finger n is on touchpad 4570 * PL: palm 4571 * HV ver4 sends a status packet to indicate that the numbers 4572 * or identities of the fingers has been changed 4573 */ 4574 4575 mask = pb->ipacket[1] & 0x1f; 4576 nfingers = bitcount(mask); 4577 4578 if (sc->elanaction.mask_v4wait != 0) 4579 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4580 " when not all previous head packets received\n")); 4581 4582 /* Bitmap of fingers to receive before gesture processing */ 4583 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4584 4585 /* Skip "new finger is on touchpad" packets */ 4586 if (sc->elanaction.mask_v4wait) { 4587 sc->elanaction.mask = mask; 4588 return (0); 4589 } 4590 4591 break; 4592 4593 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4594 /* 7 6 5 4 3 2 1 0 (LSB) 4595 * ------------------------------------------- 4596 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4597 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4598 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4599 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4600 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4601 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4602 * ------------------------------------------- 4603 * ID: finger id 4604 * HW ver 4 sends head packets in two cases: 4605 * 1. One finger touch and movement. 4606 * 2. Next after status packet to tell new finger positions. 4607 */ 4608 mask = sc->elanaction.mask; 4609 nfingers = bitcount(mask); 4610 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4611 fn = ELANTECH_FINGER_SET_XYP(pb); 4612 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4613 4614 if (id < 0) 4615 return (0); 4616 4617 /* Packet is finger position update. Report it */ 4618 if (sc->elanaction.mask_v4wait == 0) { 4619 if (id < ELANTECH_MAX_FINGERS) 4620 f[id] = fn; 4621 break; 4622 } 4623 4624 /* Remove finger from waiting bitmap and store into context */ 4625 sc->elanaction.mask_v4wait &= ~(1 << id); 4626 if (id < ELANTECH_MAX_FINGERS) 4627 sc->elanaction.fingers[id] = fn; 4628 4629 /* Wait for other fingers if needed */ 4630 if (sc->elanaction.mask_v4wait != 0) 4631 return (0); 4632 4633 /* All new fingers are received. Report them from context */ 4634 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4635 if (sc->elanaction.mask & (1 << id)) 4636 f[id] = sc->elanaction.fingers[id]; 4637 4638 break; 4639 4640 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4641 /* 7 6 5 4 3 2 1 0 (LSB) 4642 * ------------------------------------------- 4643 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4644 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4645 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4646 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4647 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4648 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4649 * ------------------------------------------- 4650 * OF: delta overflows (> 127 or < -128), in this case 4651 * firmware sends us (delta x / 5) and (delta y / 5) 4652 * ID: finger id 4653 * DX: delta x (two's complement) 4654 * XY: delta y (two's complement) 4655 * byte 0 ~ 2 for one finger 4656 * byte 3 ~ 5 for another finger 4657 */ 4658 mask = sc->elanaction.mask; 4659 nfingers = bitcount(mask); 4660 4661 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4662 for (i = 0; i <= 3; i += 3) { 4663 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4664 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4665 continue; 4666 4667 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4668 f[id] = sc->elanaction.fingers[id]; 4669 f[id].x += imax(-f[id].x, 4670 (signed char)pb->ipacket[i+1] * scale); 4671 f[id].y += imax(-f[id].y, 4672 (signed char)pb->ipacket[i+2] * scale); 4673 } else { 4674 VLOG(3, (LOG_DEBUG, "elantech: " 4675 "HW v4 motion packet skipped\n")); 4676 } 4677 } 4678 4679 break; 4680 4681 case ELANTECH_PKT_TRACKPOINT: 4682 /* 7 6 5 4 3 2 1 0 (LSB) 4683 * ------------------------------------------- 4684 * ipacket[0]: 0 0 SY SX 0 M R L 4685 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4686 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4687 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4688 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4689 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4690 * ------------------------------------------- 4691 * X and Y are written in two's complement spread 4692 * over 9 bits with SX/SY the relative top bit and 4693 * X7..X0 and Y7..Y0 the lower bits. 4694 */ 4695 if (!(pb->ipacket[0] & 0xC8) && !(pb->ipacket[1] & 0x7F) && 4696 !(pb->ipacket[2] & 0x7F) && !(pb->ipacket[3] & 0xC9) && 4697 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[1] & 0x80) && 4698 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[3] & 0x10) && 4699 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[2] & 0x80) && 4700 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[3] & 0x20)) { 4701 4702 *x = (pb->ipacket[0] & MOUSE_PS2_XNEG) ? 4703 pb->ipacket[4] - 256 : pb->ipacket[4]; 4704 *y = (pb->ipacket[0] & MOUSE_PS2_YNEG) ? 4705 pb->ipacket[5] - 256 : pb->ipacket[5]; 4706 4707 trackpoint_button = 4708 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4709 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0) | 4710 ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); 4711 #ifdef EVDEV_SUPPORT 4712 evdev_push_rel(sc->evdev_r, REL_X, *x); 4713 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 4714 evdev_push_mouse_btn(sc->evdev_r, trackpoint_button); 4715 evdev_sync(sc->evdev_r); 4716 #endif 4717 ms->button = touchpad_button | trackpoint_button; 4718 } else 4719 VLOG(3, (LOG_DEBUG, "elantech: " 4720 "unexpected trackpoint packet skipped\n")); 4721 return (0); 4722 4723 case ELANTECH_PKT_NOP: 4724 return (0); 4725 4726 default: 4727 return (-1); 4728 } 4729 4730 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4731 if (PSM_FINGER_IS_SET(f[id])) 4732 VLOG(2, (LOG_DEBUG, "elantech: " 4733 "finger %d: down [%d, %d], %d, %d, %d\n", id + 1, 4734 f[id].x, f[id].y, f[id].p, f[id].w, f[id].flags)); 4735 4736 /* Touchpad button presses */ 4737 if (sc->elanhw.isclickpad) { 4738 touchpad_button = 4739 ((pb->ipacket[0] & 0x03) ? MOUSE_BUTTON1DOWN : 0); 4740 } else { 4741 touchpad_button = 4742 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4743 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); 4744 } 4745 4746 #ifdef EVDEV_SUPPORT 4747 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 4748 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4749 if (PSM_FINGER_IS_SET(f[id])) { 4750 psm_push_mt_finger(sc, id, &f[id]); 4751 /* Convert touch width to surface units */ 4752 evdev_push_abs(sc->evdev_a, ABS_MT_TOUCH_MAJOR, 4753 f[id].w * sc->elanhw.dptracex); 4754 } 4755 if (sc->elanaction.mask & (1 << id) && 4756 !(mask & (1 << id))) 4757 psm_release_mt_slot(sc->evdev_a, id); 4758 } 4759 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 4760 evdev_push_nfingers(sc->evdev_a, nfingers); 4761 if (nfingers > 0) { 4762 if (PSM_FINGER_IS_SET(f[0])) 4763 psm_push_st_finger(sc, &f[0]); 4764 } else 4765 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 4766 evdev_push_mouse_btn(sc->evdev_a, touchpad_button); 4767 evdev_sync(sc->evdev_a); 4768 } 4769 #endif 4770 4771 ms->button = touchpad_button | trackpoint_button; 4772 4773 /* Palm detection doesn't terminate the current action. */ 4774 palm = psmpalmdetect(sc, &f[0], nfingers); 4775 4776 /* Send finger 1 position to gesture processor */ 4777 if ((PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) || 4778 nfingers == 0) && !palm) 4779 psmgestures(sc, &f[0], imin(nfingers, 3), ms); 4780 4781 /* Send fingers positions to movement smoothers */ 4782 for (id = 0; id < PSM_FINGERS; id++) 4783 if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id))) 4784 psmsmoother(sc, &f[id], id, ms, x, y); 4785 4786 /* Store current finger positions in action context */ 4787 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4788 if (PSM_FINGER_IS_SET(f[id])) 4789 sc->elanaction.fingers[id] = f[id]; 4790 if ((sc->elanaction.mask & (1 << id)) && !(mask & (1 << id))) 4791 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 4792 } 4793 sc->elanaction.mask = mask; 4794 4795 if (palm) { 4796 *x = *y = *z = 0; 4797 ms->button = ms->obutton; 4798 return (0); 4799 } 4800 4801 /* Use the extra buttons as a scrollwheel */ 4802 if (ms->button & MOUSE_BUTTON4DOWN) 4803 *z = -1; 4804 else if (ms->button & MOUSE_BUTTON5DOWN) 4805 *z = 1; 4806 else if (ms->button & MOUSE_BUTTON6DOWN) 4807 *z = -2; 4808 else if (ms->button & MOUSE_BUTTON7DOWN) 4809 *z = 2; 4810 else 4811 *z = 0; 4812 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 4813 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 4814 4815 return (0); 4816 } 4817 4818 static void 4819 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4820 int *x, int *y, int *z) 4821 { 4822 static int butmap_versapad[8] = { 4823 0, 4824 MOUSE_BUTTON3DOWN, 4825 0, 4826 MOUSE_BUTTON3DOWN, 4827 MOUSE_BUTTON1DOWN, 4828 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4829 MOUSE_BUTTON1DOWN, 4830 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 4831 }; 4832 int c, x0, y0; 4833 4834 /* VersaPad PS/2 absolute mode message format 4835 * 4836 * [packet1] 7 6 5 4 3 2 1 0(LSB) 4837 * ipacket[0]: 1 1 0 A 1 L T R 4838 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 4839 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 4840 * ipacket[3]: 1 1 1 A 1 L T R 4841 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 4842 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 4843 * 4844 * [note] 4845 * R: right physical mouse button (1=on) 4846 * T: touch pad virtual button (1=tapping) 4847 * L: left physical mouse button (1=on) 4848 * A: position data is valid (1=valid) 4849 * H: horizontal data (12bit signed integer. H11 is sign bit.) 4850 * V: vertical data (12bit signed integer. V11 is sign bit.) 4851 * P: pressure data 4852 * 4853 * Tapping is mapped to MOUSE_BUTTON4. 4854 */ 4855 c = pb->ipacket[0]; 4856 *x = *y = 0; 4857 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 4858 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 4859 if (c & MOUSE_PS2VERSA_IN_USE) { 4860 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 4861 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 4862 if (x0 & 0x800) 4863 x0 -= 0x1000; 4864 if (y0 & 0x800) 4865 y0 -= 0x1000; 4866 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4867 *x = sc->xold - x0; 4868 *y = y0 - sc->yold; 4869 if (*x < 0) /* XXX */ 4870 ++*x; 4871 else if (*x) 4872 --*x; 4873 if (*y < 0) 4874 ++*y; 4875 else if (*y) 4876 --*y; 4877 } else 4878 sc->flags |= PSM_FLAGS_FINGERDOWN; 4879 sc->xold = x0; 4880 sc->yold = y0; 4881 } else 4882 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4883 } 4884 4885 static void 4886 psmsoftintridle(void *arg) 4887 { 4888 struct psm_softc *sc = arg; 4889 packetbuf_t *pb; 4890 4891 /* Invoke soft handler only when pqueue is empty. Otherwise it will be 4892 * invoked from psmintr soon with pqueue filled with real data */ 4893 if (sc->pqueue_start == sc->pqueue_end && 4894 sc->idlepacket.inputbytes > 0) { 4895 /* Grow circular queue backwards to avoid race with psmintr */ 4896 if (--sc->pqueue_start < 0) 4897 sc->pqueue_start = PSM_PACKETQUEUE - 1; 4898 4899 pb = &sc->pqueue[sc->pqueue_start]; 4900 memcpy(pb, &sc->idlepacket, sizeof(packetbuf_t)); 4901 VLOG(4, (LOG_DEBUG, 4902 "psmsoftintridle: %02x %02x %02x %02x %02x %02x\n", 4903 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 4904 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 4905 4906 psmsoftintr(arg); 4907 } 4908 } 4909 4910 static void 4911 psmsoftintr(void *arg) 4912 { 4913 /* 4914 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 4915 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 4916 */ 4917 static int butmap[8] = { 4918 0, 4919 MOUSE_BUTTON1DOWN, 4920 MOUSE_BUTTON3DOWN, 4921 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4922 MOUSE_BUTTON2DOWN, 4923 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 4924 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 4925 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 4926 }; 4927 struct psm_softc *sc = arg; 4928 mousestatus_t ms; 4929 packetbuf_t *pb; 4930 int x, y, z, c, l, s; 4931 4932 getmicrouptime(&sc->lastsoftintr); 4933 4934 s = spltty(); 4935 4936 do { 4937 pb = &sc->pqueue[sc->pqueue_start]; 4938 4939 if (sc->mode.level == PSM_LEVEL_NATIVE) 4940 goto next_native; 4941 4942 c = pb->ipacket[0]; 4943 /* 4944 * A kludge for Kensington device! 4945 * The MSB of the horizontal count appears to be stored in 4946 * a strange place. 4947 */ 4948 if (sc->hw.model == MOUSE_MODEL_THINK) 4949 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 4950 4951 /* ignore the overflow bits... */ 4952 x = (c & MOUSE_PS2_XNEG) ? 4953 pb->ipacket[1] - 256 : pb->ipacket[1]; 4954 y = (c & MOUSE_PS2_YNEG) ? 4955 pb->ipacket[2] - 256 : pb->ipacket[2]; 4956 z = 0; 4957 ms.obutton = sc->button; /* previous button state */ 4958 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 4959 /* `tapping' action */ 4960 if (sc->config & PSM_CONFIG_FORCETAP) 4961 ms.button |= ((c & MOUSE_PS2_TAP)) ? 4962 0 : MOUSE_BUTTON4DOWN; 4963 timevalclear(&sc->idletimeout); 4964 sc->idlepacket.inputbytes = 0; 4965 4966 switch (sc->hw.model) { 4967 4968 case MOUSE_MODEL_EXPLORER: 4969 /* 4970 * b7 b6 b5 b4 b3 b2 b1 b0 4971 * byte 1: oy ox sy sx 1 M R L 4972 * byte 2: x x x x x x x x 4973 * byte 3: y y y y y y y y 4974 * byte 4: * * S2 S1 s d2 d1 d0 4975 * 4976 * L, M, R, S1, S2: left, middle, right and side buttons 4977 * s: wheel data sign bit 4978 * d2-d0: wheel data 4979 */ 4980 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4981 (pb->ipacket[3] & 0x0f) - 16 : 4982 (pb->ipacket[3] & 0x0f); 4983 ms.button |= 4984 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4985 MOUSE_BUTTON4DOWN : 0; 4986 ms.button |= 4987 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 4988 MOUSE_BUTTON5DOWN : 0; 4989 break; 4990 4991 case MOUSE_MODEL_INTELLI: 4992 case MOUSE_MODEL_NET: 4993 /* wheel data is in the fourth byte */ 4994 z = (char)pb->ipacket[3]; 4995 /* 4996 * XXX some mice may send 7 when there is no Z movement? */ 4997 if ((z >= 7) || (z <= -7)) 4998 z = 0; 4999 /* some compatible mice have additional buttons */ 5000 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 5001 MOUSE_BUTTON4DOWN : 0; 5002 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 5003 MOUSE_BUTTON5DOWN : 0; 5004 break; 5005 5006 case MOUSE_MODEL_MOUSEMANPLUS: 5007 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 5008 break; 5009 5010 case MOUSE_MODEL_GLIDEPOINT: 5011 /* `tapping' action */ 5012 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 5013 MOUSE_BUTTON4DOWN; 5014 break; 5015 5016 case MOUSE_MODEL_NETSCROLL: 5017 /* 5018 * three additional bytes encode buttons and 5019 * wheel events 5020 */ 5021 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 5022 MOUSE_BUTTON4DOWN : 0; 5023 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 5024 MOUSE_BUTTON5DOWN : 0; 5025 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 5026 pb->ipacket[4] - 256 : pb->ipacket[4]; 5027 break; 5028 5029 case MOUSE_MODEL_THINK: 5030 /* the fourth button state in the first byte */ 5031 ms.button |= (c & MOUSE_PS2_TAP) ? 5032 MOUSE_BUTTON4DOWN : 0; 5033 break; 5034 5035 case MOUSE_MODEL_VERSAPAD: 5036 proc_versapad(sc, pb, &ms, &x, &y, &z); 5037 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 5038 ((y < 0) ? MOUSE_PS2_YNEG : 0); 5039 break; 5040 5041 case MOUSE_MODEL_4D: 5042 /* 5043 * b7 b6 b5 b4 b3 b2 b1 b0 5044 * byte 1: s2 d2 s1 d1 1 M R L 5045 * byte 2: sx x x x x x x x 5046 * byte 3: sy y y y y y y y 5047 * 5048 * s1: wheel 1 direction 5049 * d1: wheel 1 data 5050 * s2: wheel 2 direction 5051 * d2: wheel 2 data 5052 */ 5053 x = (pb->ipacket[1] & 0x80) ? 5054 pb->ipacket[1] - 256 : pb->ipacket[1]; 5055 y = (pb->ipacket[2] & 0x80) ? 5056 pb->ipacket[2] - 256 : pb->ipacket[2]; 5057 switch (c & MOUSE_4D_WHEELBITS) { 5058 case 0x10: 5059 z = 1; 5060 break; 5061 case 0x30: 5062 z = -1; 5063 break; 5064 case 0x40: /* XXX 2nd wheel turning right */ 5065 z = 2; 5066 break; 5067 case 0xc0: /* XXX 2nd wheel turning left */ 5068 z = -2; 5069 break; 5070 } 5071 break; 5072 5073 case MOUSE_MODEL_4DPLUS: 5074 if ((x < 16 - 256) && (y < 16 - 256)) { 5075 /* 5076 * b7 b6 b5 b4 b3 b2 b1 b0 5077 * byte 1: 0 0 1 1 1 M R L 5078 * byte 2: 0 0 0 0 1 0 0 0 5079 * byte 3: 0 0 0 0 S s d1 d0 5080 * 5081 * L, M, R, S: left, middle, right, 5082 * and side buttons 5083 * s: wheel data sign bit 5084 * d1-d0: wheel data 5085 */ 5086 x = y = 0; 5087 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 5088 ms.button |= MOUSE_BUTTON4DOWN; 5089 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 5090 ((pb->ipacket[2] & 0x07) - 8) : 5091 (pb->ipacket[2] & 0x07) ; 5092 } else { 5093 /* preserve previous button states */ 5094 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 5095 } 5096 break; 5097 5098 case MOUSE_MODEL_SYNAPTICS: 5099 if (pb->inputbytes == MOUSE_PS2_PACKETSIZE) 5100 if (proc_synaptics_mux(sc, pb)) 5101 goto next; 5102 5103 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) { 5104 VLOG(3, (LOG_DEBUG, "synaptics: " 5105 "packet rejected\n")); 5106 goto next; 5107 } 5108 break; 5109 5110 case MOUSE_MODEL_ELANTECH: 5111 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) { 5112 VLOG(3, (LOG_DEBUG, "elantech: " 5113 "packet rejected\n")); 5114 goto next; 5115 } 5116 break; 5117 5118 case MOUSE_MODEL_TRACKPOINT: 5119 case MOUSE_MODEL_GENERIC: 5120 default: 5121 break; 5122 } 5123 5124 #ifdef EVDEV_SUPPORT 5125 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 5126 sc->hw.model != MOUSE_MODEL_ELANTECH && 5127 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5128 evdev_push_rel(sc->evdev_r, REL_X, x); 5129 evdev_push_rel(sc->evdev_r, REL_Y, -y); 5130 5131 switch (sc->hw.model) { 5132 case MOUSE_MODEL_EXPLORER: 5133 case MOUSE_MODEL_INTELLI: 5134 case MOUSE_MODEL_NET: 5135 case MOUSE_MODEL_NETSCROLL: 5136 case MOUSE_MODEL_4DPLUS: 5137 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5138 break; 5139 case MOUSE_MODEL_MOUSEMANPLUS: 5140 case MOUSE_MODEL_4D: 5141 switch (z) { 5142 case 1: 5143 case -1: 5144 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5145 break; 5146 case 2: 5147 case -2: 5148 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 5149 break; 5150 } 5151 break; 5152 } 5153 5154 evdev_push_mouse_btn(sc->evdev_r, ms.button); 5155 evdev_sync(sc->evdev_r); 5156 } 5157 #endif 5158 5159 /* scale values */ 5160 if (sc->mode.accelfactor >= 1) { 5161 if (x != 0) { 5162 x = x * x / sc->mode.accelfactor; 5163 if (x == 0) 5164 x = 1; 5165 if (c & MOUSE_PS2_XNEG) 5166 x = -x; 5167 } 5168 if (y != 0) { 5169 y = y * y / sc->mode.accelfactor; 5170 if (y == 0) 5171 y = 1; 5172 if (c & MOUSE_PS2_YNEG) 5173 y = -y; 5174 } 5175 } 5176 5177 /* Store last packet for reinjection if it has not been set already */ 5178 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 5179 sc->idlepacket = *pb; 5180 5181 ms.dx = x; 5182 ms.dy = y; 5183 ms.dz = z; 5184 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 5185 (ms.obutton ^ ms.button); 5186 5187 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 5188 5189 sc->status.flags |= ms.flags; 5190 sc->status.dx += ms.dx; 5191 sc->status.dy += ms.dy; 5192 sc->status.dz += ms.dz; 5193 sc->status.button = ms.button; 5194 sc->button = ms.button; 5195 5196 next_native: 5197 sc->watchdog = FALSE; 5198 5199 /* queue data */ 5200 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 5201 l = imin(pb->inputbytes, 5202 sizeof(sc->queue.buf) - sc->queue.tail); 5203 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 5204 if (pb->inputbytes > l) 5205 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 5206 pb->inputbytes - l); 5207 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 5208 sizeof(sc->queue.buf); 5209 sc->queue.count += pb->inputbytes; 5210 } 5211 5212 next: 5213 pb->inputbytes = 0; 5214 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 5215 sc->pqueue_start = 0; 5216 } while (sc->pqueue_start != sc->pqueue_end); 5217 5218 if (sc->state & PSM_ASLP) { 5219 sc->state &= ~PSM_ASLP; 5220 wakeup(sc); 5221 } 5222 selwakeuppri(&sc->rsel, PZERO); 5223 if (sc->async != NULL) { 5224 pgsigio(&sc->async, SIGIO, 0); 5225 } 5226 sc->state &= ~PSM_SOFTARMED; 5227 5228 /* schedule injection of predefined packet after idletimeout 5229 * if no data packets have been received from psmintr */ 5230 if (timevalisset(&sc->idletimeout)) { 5231 sc->state |= PSM_SOFTARMED; 5232 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5233 psmsoftintridle, sc); 5234 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5235 tvtohz(&sc->idletimeout))); 5236 } 5237 splx(s); 5238 } 5239 5240 static int 5241 psmpoll(struct cdev *dev, int events, struct thread *td) 5242 { 5243 struct psm_softc *sc = dev->si_drv1; 5244 int s; 5245 int revents = 0; 5246 5247 /* Return true if a mouse event available */ 5248 s = spltty(); 5249 if (events & (POLLIN | POLLRDNORM)) { 5250 if (sc->queue.count > 0) 5251 revents |= events & (POLLIN | POLLRDNORM); 5252 else 5253 selrecord(td, &sc->rsel); 5254 } 5255 splx(s); 5256 5257 return (revents); 5258 } 5259 5260 /* vendor/model specific routines */ 5261 5262 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5263 { 5264 if (set_mouse_resolution(kbdc, res) != res) 5265 return (FALSE); 5266 if (set_mouse_scaling(kbdc, scale) && 5267 set_mouse_scaling(kbdc, scale) && 5268 set_mouse_scaling(kbdc, scale) && 5269 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5270 return (TRUE); 5271 return (FALSE); 5272 } 5273 5274 static int 5275 mouse_ext_command(KBDC kbdc, int command) 5276 { 5277 int c; 5278 5279 c = (command >> 6) & 0x03; 5280 if (set_mouse_resolution(kbdc, c) != c) 5281 return (FALSE); 5282 c = (command >> 4) & 0x03; 5283 if (set_mouse_resolution(kbdc, c) != c) 5284 return (FALSE); 5285 c = (command >> 2) & 0x03; 5286 if (set_mouse_resolution(kbdc, c) != c) 5287 return (FALSE); 5288 c = (command >> 0) & 0x03; 5289 if (set_mouse_resolution(kbdc, c) != c) 5290 return (FALSE); 5291 return (TRUE); 5292 } 5293 5294 #ifdef notyet 5295 /* Logitech MouseMan Cordless II */ 5296 static int 5297 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5298 { 5299 KBDC kbdc = sc->kbdc; 5300 int status[3]; 5301 int ch; 5302 5303 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5304 return (FALSE); 5305 if (status[1] == PSMD_RES_HIGH) 5306 return (FALSE); 5307 ch = (status[0] & 0x07) - 1; /* channel # */ 5308 if ((ch <= 0) || (ch > 4)) 5309 return (FALSE); 5310 /* 5311 * status[1]: always one? 5312 * status[2]: battery status? (0-100) 5313 */ 5314 return (TRUE); 5315 } 5316 #endif /* notyet */ 5317 5318 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5319 static int 5320 enable_groller(struct psm_softc *sc, enum probearg arg) 5321 { 5322 KBDC kbdc = sc->kbdc; 5323 int status[3]; 5324 5325 /* 5326 * The special sequence to enable the fourth button and the 5327 * roller. Immediately after this sequence check status bytes. 5328 * if the mouse is NetScroll, the second and the third bytes are 5329 * '3' and 'D'. 5330 */ 5331 5332 /* 5333 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5334 * look like the following. 5335 * 5336 * byte 1 bit 7 always 0 5337 * bit 6 stream mode (0) 5338 * bit 5 disabled (0) 5339 * bit 4 1:1 scaling (0) 5340 * bit 3 always 0 5341 * bit 0-2 button status 5342 * byte 2 resolution (PSMD_RES_HIGH) 5343 * byte 3 report rate (?) 5344 */ 5345 5346 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5347 return (FALSE); 5348 if ((status[1] != '3') || (status[2] != 'D')) 5349 return (FALSE); 5350 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5351 if (arg == PROBE) 5352 sc->hw.buttons = 4; 5353 return (TRUE); 5354 } 5355 5356 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5357 static int 5358 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5359 { 5360 KBDC kbdc = sc->kbdc; 5361 int status[3]; 5362 5363 /* 5364 * The special sequence to enable the middle, "rubber" button. 5365 * Immediately after this sequence check status bytes. 5366 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5367 * the second and the third bytes are '3' and 'U'. 5368 * NOTE: NetMouse reports that it has three buttons although it has 5369 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5370 * say they have three buttons too and they do have a button on the 5371 * side... 5372 */ 5373 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5374 return (FALSE); 5375 if ((status[1] != '3') || (status[2] != 'U')) 5376 return (FALSE); 5377 return (TRUE); 5378 } 5379 5380 /* ALPS GlidePoint */ 5381 static int 5382 enable_aglide(struct psm_softc *sc, enum probearg arg) 5383 { 5384 KBDC kbdc = sc->kbdc; 5385 int status[3]; 5386 5387 /* 5388 * The special sequence to obtain ALPS GlidePoint specific 5389 * information. Immediately after this sequence, status bytes will 5390 * contain something interesting. 5391 * NOTE: ALPS produces several models of GlidePoint. Some of those 5392 * do not respond to this sequence, thus, cannot be detected this way. 5393 */ 5394 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5395 return (FALSE); 5396 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5397 return (FALSE); 5398 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5399 return (FALSE); 5400 return (TRUE); 5401 } 5402 5403 /* Kensington ThinkingMouse/Trackball */ 5404 static int 5405 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5406 { 5407 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5408 KBDC kbdc = sc->kbdc; 5409 int status[3]; 5410 int id1; 5411 int id2; 5412 int i; 5413 5414 id1 = get_aux_id(kbdc); 5415 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5416 return (FALSE); 5417 /* 5418 * The device is now in the native mode? It returns a different 5419 * ID value... 5420 */ 5421 id2 = get_aux_id(kbdc); 5422 if ((id1 == id2) || (id2 != 2)) 5423 return (FALSE); 5424 5425 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5426 return (FALSE); 5427 #if PSM_DEBUG >= 2 5428 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5429 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5430 return (FALSE); 5431 #endif 5432 5433 /* 5434 * The special sequence to enable the third and fourth buttons. 5435 * Otherwise they behave like the first and second buttons. 5436 */ 5437 for (i = 0; i < nitems(rate); ++i) 5438 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5439 return (FALSE); 5440 5441 /* 5442 * At this point, the device is using default resolution and 5443 * sampling rate for the native mode. 5444 */ 5445 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5446 return (FALSE); 5447 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5448 return (FALSE); 5449 5450 /* the device appears be enabled by this sequence, diable it for now */ 5451 disable_aux_dev(kbdc); 5452 empty_aux_buffer(kbdc, 5); 5453 5454 return (TRUE); 5455 } 5456 5457 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5458 static int 5459 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5460 { 5461 KBDC kbdc = sc->kbdc; 5462 int data[3]; 5463 5464 /* the special sequence to enable the fourth button and the roller. */ 5465 /* 5466 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5467 * must be called exactly three times since the last RESET command 5468 * before this sequence. XXX 5469 */ 5470 if (!set_mouse_scaling(kbdc, 1)) 5471 return (FALSE); 5472 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5473 return (FALSE); 5474 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5475 return (FALSE); 5476 5477 /* 5478 * PS2++ protocol, packet type 0 5479 * 5480 * b7 b6 b5 b4 b3 b2 b1 b0 5481 * byte 1: * 1 p3 p2 1 * * * 5482 * byte 2: 1 1 p1 p0 m1 m0 1 0 5483 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5484 * 5485 * p3-p0: packet type: 0 5486 * m7-m0: model ID: MouseMan+:0x50, 5487 * FirstMouse+:0x51, 5488 * ScrollPoint:0x58... 5489 */ 5490 /* check constant bits */ 5491 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5492 return (FALSE); 5493 if ((data[1] & 0xc3) != 0xc2) 5494 return (FALSE); 5495 /* check d3-d0 in byte 2 */ 5496 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5497 return (FALSE); 5498 /* check p3-p0 */ 5499 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5500 return (FALSE); 5501 5502 if (arg == PROBE) { 5503 sc->hw.hwid &= 0x00ff; 5504 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5505 } 5506 5507 /* 5508 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5509 * the wheel and the fourth button events are encoded in the 5510 * special data packet. The mouse may be put in the IntelliMouse mode 5511 * if it is initialized by the IntelliMouse's method. 5512 */ 5513 return (TRUE); 5514 } 5515 5516 /* MS IntelliMouse Explorer */ 5517 static int 5518 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5519 { 5520 KBDC kbdc = sc->kbdc; 5521 static u_char rate0[] = { 200, 100, 80, }; 5522 static u_char rate1[] = { 200, 200, 80, }; 5523 int id; 5524 int i; 5525 5526 /* 5527 * This is needed for at least A4Tech X-7xx mice - they do not go 5528 * straight to Explorer mode, but need to be set to Intelli mode 5529 * first. 5530 */ 5531 enable_msintelli(sc, arg); 5532 5533 /* the special sequence to enable the extra buttons and the roller. */ 5534 for (i = 0; i < nitems(rate1); ++i) 5535 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5536 return (FALSE); 5537 /* the device will give the genuine ID only after the above sequence */ 5538 id = get_aux_id(kbdc); 5539 if (id != PSM_EXPLORER_ID) 5540 return (FALSE); 5541 5542 if (arg == PROBE) { 5543 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5544 sc->hw.hwid = id; 5545 } 5546 5547 /* 5548 * XXX: this is a kludge to fool some KVM switch products 5549 * which think they are clever enough to know the 4-byte IntelliMouse 5550 * protocol, and assume any other protocols use 3-byte packets. 5551 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5552 * correctly to the host computer because of this! 5553 * The following sequence is actually IntelliMouse's "wake up" 5554 * sequence; it will make the KVM think the mouse is IntelliMouse 5555 * when it is in fact IntelliMouse Explorer. 5556 */ 5557 for (i = 0; i < nitems(rate0); ++i) 5558 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5559 break; 5560 get_aux_id(kbdc); 5561 5562 return (TRUE); 5563 } 5564 5565 /* 5566 * MS IntelliMouse 5567 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5568 * probe routine and act like IntelliMouse. 5569 */ 5570 static int 5571 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5572 { 5573 KBDC kbdc = sc->kbdc; 5574 static u_char rate[] = { 200, 100, 80, }; 5575 int id; 5576 int i; 5577 5578 /* the special sequence to enable the third button and the roller. */ 5579 for (i = 0; i < nitems(rate); ++i) 5580 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5581 return (FALSE); 5582 /* the device will give the genuine ID only after the above sequence */ 5583 id = get_aux_id(kbdc); 5584 if (id != PSM_INTELLI_ID) 5585 return (FALSE); 5586 5587 if (arg == PROBE) { 5588 sc->hw.buttons = 3; 5589 sc->hw.hwid = id; 5590 } 5591 5592 return (TRUE); 5593 } 5594 5595 /* 5596 * A4 Tech 4D Mouse 5597 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5598 */ 5599 static int 5600 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5601 { 5602 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5603 KBDC kbdc = sc->kbdc; 5604 int id; 5605 int i; 5606 5607 for (i = 0; i < nitems(rate); ++i) 5608 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5609 return (FALSE); 5610 id = get_aux_id(kbdc); 5611 /* 5612 * WinEasy 4D, 4 Way Scroll 4D: 6 5613 * Cable-Free 4D: 8 (4DPLUS) 5614 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5615 */ 5616 if (id != PSM_4DMOUSE_ID) 5617 return (FALSE); 5618 5619 if (arg == PROBE) { 5620 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5621 sc->hw.hwid = id; 5622 } 5623 5624 return (TRUE); 5625 } 5626 5627 /* 5628 * A4 Tech 4D+ Mouse 5629 * Newer wheel mice from A4 Tech seem to use this protocol. 5630 * Older models are recognized as either 4D Mouse or IntelliMouse. 5631 */ 5632 static int 5633 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5634 { 5635 KBDC kbdc = sc->kbdc; 5636 int id; 5637 5638 /* 5639 * enable_4dmouse() already issued the following ID sequence... 5640 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5641 int i; 5642 5643 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5644 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5645 return (FALSE); 5646 */ 5647 5648 id = get_aux_id(kbdc); 5649 switch (id) { 5650 case PSM_4DPLUS_ID: 5651 break; 5652 case PSM_4DPLUS_RFSW35_ID: 5653 break; 5654 default: 5655 return (FALSE); 5656 } 5657 5658 if (arg == PROBE) { 5659 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5660 sc->hw.hwid = id; 5661 } 5662 5663 return (TRUE); 5664 } 5665 5666 /* Synaptics Touchpad */ 5667 static int 5668 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5669 { 5670 struct psm_softc *sc; 5671 int error, arg; 5672 5673 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5674 oidp->oid_arg2 > SYNAPTICS_SYSCTL_LAST) 5675 return (EINVAL); 5676 5677 sc = oidp->oid_arg1; 5678 5679 /* Read the current value. */ 5680 arg = *(int *)((char *)sc + oidp->oid_arg2); 5681 error = sysctl_handle_int(oidp, &arg, 0, req); 5682 5683 /* Sanity check. */ 5684 if (error || !req->newptr) 5685 return (error); 5686 5687 /* 5688 * Check that the new value is in the concerned node's range 5689 * of values. 5690 */ 5691 switch (oidp->oid_arg2) { 5692 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5693 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5694 if (arg < 0 || arg > 255) 5695 return (EINVAL); 5696 break; 5697 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5698 if (arg < 4 || arg > 15) 5699 return (EINVAL); 5700 break; 5701 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5702 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5703 case SYNAPTICS_SYSCTL_NA_TOP: 5704 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5705 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5706 return (EINVAL); 5707 break; 5708 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5709 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5710 /* Softbuttons is clickpad only feature */ 5711 if (!sc->synhw.capClickPad && arg != 0) 5712 return (EINVAL); 5713 /* FALLTHROUGH */ 5714 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5715 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5716 case SYNAPTICS_SYSCTL_NA_RIGHT: 5717 case SYNAPTICS_SYSCTL_NA_LEFT: 5718 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5719 return (EINVAL); 5720 break; 5721 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5722 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5723 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5724 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5725 return (EINVAL); 5726 break; 5727 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5728 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5729 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5730 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5731 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5732 case SYNAPTICS_SYSCTL_DIV_MIN: 5733 case SYNAPTICS_SYSCTL_DIV_MAX: 5734 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5735 case SYNAPTICS_SYSCTL_DIV_LEN: 5736 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5737 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5738 if (arg < 1) 5739 return (EINVAL); 5740 break; 5741 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5742 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5743 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5744 if (arg < 0) 5745 return (EINVAL); 5746 break; 5747 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5748 if (arg < -sc->synhw.maximumXCoord || 5749 arg > sc->synhw.maximumXCoord) 5750 return (EINVAL); 5751 break; 5752 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5753 /* Softbuttons is clickpad only feature */ 5754 if (!sc->synhw.capClickPad && arg != 0) 5755 return (EINVAL); 5756 /* FALLTHROUGH */ 5757 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5758 if (arg < -sc->synhw.maximumYCoord || 5759 arg > sc->synhw.maximumYCoord) 5760 return (EINVAL); 5761 break; 5762 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5763 case SYNAPTICS_SYSCTL_THREE_FINGER_DRAG: 5764 case SYNAPTICS_SYSCTL_NATURAL_SCROLL: 5765 if (arg < 0 || arg > 1) 5766 return (EINVAL); 5767 break; 5768 default: 5769 return (EINVAL); 5770 } 5771 5772 /* Update. */ 5773 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5774 5775 return (error); 5776 } 5777 5778 static void 5779 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5780 { 5781 /* 5782 * Set predefined sizes for softbuttons. 5783 * Values are taken to match HP Pavilion dv6 clickpad drawings 5784 * with thin middle softbutton placed on separator 5785 */ 5786 5787 /* hw.psm.synaptics.softbuttons_y */ 5788 sc->syninfo.softbuttons_y = sc->synhw.topButtonPad ? -1700 : 1700; 5789 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5790 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5791 "softbuttons_y", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5792 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5793 synaptics_sysctl, "I", 5794 "Vertical size of softbuttons area"); 5795 5796 /* hw.psm.synaptics.softbutton2_x */ 5797 sc->syninfo.softbutton2_x = 3100; 5798 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5799 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5800 "softbutton2_x", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5801 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5802 synaptics_sysctl, "I", 5803 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5804 5805 /* hw.psm.synaptics.softbutton3_x */ 5806 sc->syninfo.softbutton3_x = 3900; 5807 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5808 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5809 "softbutton3_x", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5810 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5811 synaptics_sysctl, "I", 5812 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5813 } 5814 5815 static void 5816 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5817 const char *descr) 5818 { 5819 5820 if (sc->syninfo.sysctl_tree != NULL) 5821 return; 5822 5823 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5824 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5825 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5826 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, CTLFLAG_RD, 5827 0, descr); 5828 5829 /* hw.psm.synaptics.directional_scrolls. */ 5830 sc->syninfo.directional_scrolls = 0; 5831 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5832 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5833 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5834 &sc->syninfo.directional_scrolls, 0, 5835 "Enable hardware scrolling pad (if non-zero) or register it as " 5836 "extended buttons (if 0)"); 5837 5838 /* hw.psm.synaptics.max_x. */ 5839 sc->syninfo.max_x = 6143; 5840 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5841 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5842 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5843 &sc->syninfo.max_x, 0, 5844 "Horizontal reporting range"); 5845 5846 /* hw.psm.synaptics.max_y. */ 5847 sc->syninfo.max_y = 6143; 5848 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5849 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5850 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5851 &sc->syninfo.max_y, 0, 5852 "Vertical reporting range"); 5853 5854 /* 5855 * Turn off two finger scroll if we have a 5856 * physical area reserved for scrolling or when 5857 * there's no multi finger support. 5858 */ 5859 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5860 sc->synhw.capAdvancedGestures == 0)) 5861 sc->syninfo.two_finger_scroll = 0; 5862 else 5863 sc->syninfo.two_finger_scroll = 1; 5864 /* hw.psm.synaptics.two_finger_scroll. */ 5865 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5866 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5867 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5868 &sc->syninfo.two_finger_scroll, 0, 5869 "Enable two finger scrolling"); 5870 5871 /* hw.psm.synaptics.min_pressure. */ 5872 sc->syninfo.min_pressure = 32; 5873 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5874 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5875 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5876 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5877 synaptics_sysctl, "I", 5878 "Minimum pressure required to start an action"); 5879 5880 /* hw.psm.synaptics.max_pressure. */ 5881 sc->syninfo.max_pressure = 220; 5882 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5883 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5884 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5885 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5886 synaptics_sysctl, "I", 5887 "Maximum pressure to detect palm"); 5888 5889 /* hw.psm.synaptics.max_width. */ 5890 sc->syninfo.max_width = 10; 5891 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5892 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5893 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5894 sc, SYNAPTICS_SYSCTL_MAX_WIDTH, 5895 synaptics_sysctl, "I", 5896 "Maximum finger width to detect palm"); 5897 5898 /* hw.psm.synaptics.top_margin. */ 5899 sc->syninfo.margin_top = 200; 5900 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5901 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5902 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5903 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5904 synaptics_sysctl, "I", 5905 "Top margin"); 5906 5907 /* hw.psm.synaptics.right_margin. */ 5908 sc->syninfo.margin_right = 200; 5909 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5910 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5911 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5912 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5913 synaptics_sysctl, "I", 5914 "Right margin"); 5915 5916 /* hw.psm.synaptics.bottom_margin. */ 5917 sc->syninfo.margin_bottom = 200; 5918 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5919 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5920 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5921 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5922 synaptics_sysctl, "I", 5923 "Bottom margin"); 5924 5925 /* hw.psm.synaptics.left_margin. */ 5926 sc->syninfo.margin_left = 200; 5927 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5928 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5929 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5930 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5931 synaptics_sysctl, "I", 5932 "Left margin"); 5933 5934 /* hw.psm.synaptics.na_top. */ 5935 sc->syninfo.na_top = 1783; 5936 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5937 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5938 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5939 sc, SYNAPTICS_SYSCTL_NA_TOP, 5940 synaptics_sysctl, "I", 5941 "Top noisy area, where weight_previous_na is used instead " 5942 "of weight_previous"); 5943 5944 /* hw.psm.synaptics.na_right. */ 5945 sc->syninfo.na_right = 563; 5946 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5947 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5948 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5949 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 5950 synaptics_sysctl, "I", 5951 "Right noisy area, where weight_previous_na is used instead " 5952 "of weight_previous"); 5953 5954 /* hw.psm.synaptics.na_bottom. */ 5955 sc->syninfo.na_bottom = 1408; 5956 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5957 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5958 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5959 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 5960 synaptics_sysctl, "I", 5961 "Bottom noisy area, where weight_previous_na is used instead " 5962 "of weight_previous"); 5963 5964 /* hw.psm.synaptics.na_left. */ 5965 sc->syninfo.na_left = 1600; 5966 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5967 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5968 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5969 sc, SYNAPTICS_SYSCTL_NA_LEFT, 5970 synaptics_sysctl, "I", 5971 "Left noisy area, where weight_previous_na is used instead " 5972 "of weight_previous"); 5973 5974 /* hw.psm.synaptics.window_min. */ 5975 sc->syninfo.window_min = 4; 5976 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5977 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5978 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5979 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 5980 synaptics_sysctl, "I", 5981 "Minimum window size to start an action"); 5982 5983 /* hw.psm.synaptics.window_max. */ 5984 sc->syninfo.window_max = 10; 5985 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5986 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5987 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5988 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 5989 synaptics_sysctl, "I", 5990 "Maximum window size"); 5991 5992 /* hw.psm.synaptics.multiplicator. */ 5993 sc->syninfo.multiplicator = 10000; 5994 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5995 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5996 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5997 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 5998 synaptics_sysctl, "I", 5999 "Multiplicator to increase precision in averages and divisions"); 6000 6001 /* hw.psm.synaptics.weight_current. */ 6002 sc->syninfo.weight_current = 3; 6003 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6004 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6005 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6006 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 6007 synaptics_sysctl, "I", 6008 "Weight of the current movement in the new average"); 6009 6010 /* hw.psm.synaptics.weight_previous. */ 6011 sc->syninfo.weight_previous = 6; 6012 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6013 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6014 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6015 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 6016 synaptics_sysctl, "I", 6017 "Weight of the previous average"); 6018 6019 /* hw.psm.synaptics.weight_previous_na. */ 6020 sc->syninfo.weight_previous_na = 20; 6021 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6022 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6023 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6024 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 6025 synaptics_sysctl, "I", 6026 "Weight of the previous average (inside the noisy area)"); 6027 6028 /* hw.psm.synaptics.weight_len_squared. */ 6029 sc->syninfo.weight_len_squared = 2000; 6030 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6031 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6032 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6033 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 6034 synaptics_sysctl, "I", 6035 "Length (squared) of segments where weight_previous " 6036 "starts to decrease"); 6037 6038 /* hw.psm.synaptics.div_min. */ 6039 sc->syninfo.div_min = 9; 6040 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6041 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6042 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6043 sc, SYNAPTICS_SYSCTL_DIV_MIN, 6044 synaptics_sysctl, "I", 6045 "Divisor for fast movements"); 6046 6047 /* hw.psm.synaptics.div_max. */ 6048 sc->syninfo.div_max = 17; 6049 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6050 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6051 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6052 sc, SYNAPTICS_SYSCTL_DIV_MAX, 6053 synaptics_sysctl, "I", 6054 "Divisor for slow movements"); 6055 6056 /* hw.psm.synaptics.div_max_na. */ 6057 sc->syninfo.div_max_na = 30; 6058 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6059 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6060 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6061 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 6062 synaptics_sysctl, "I", 6063 "Divisor with slow movements (inside the noisy area)"); 6064 6065 /* hw.psm.synaptics.div_len. */ 6066 sc->syninfo.div_len = 100; 6067 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6068 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6069 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6070 sc, SYNAPTICS_SYSCTL_DIV_LEN, 6071 synaptics_sysctl, "I", 6072 "Length of segments where div_max starts to decrease"); 6073 6074 /* hw.psm.synaptics.tap_max_delta. */ 6075 sc->syninfo.tap_max_delta = 80; 6076 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6077 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6078 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6079 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 6080 synaptics_sysctl, "I", 6081 "Length of segments above which a tap is ignored"); 6082 6083 /* hw.psm.synaptics.tap_min_queue. */ 6084 sc->syninfo.tap_min_queue = 2; 6085 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6086 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6087 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6088 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 6089 synaptics_sysctl, "I", 6090 "Number of packets required to consider a tap"); 6091 6092 /* hw.psm.synaptics.taphold_timeout. */ 6093 sc->gesture.in_taphold = 0; 6094 sc->syninfo.taphold_timeout = tap_timeout; 6095 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6096 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6097 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6098 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 6099 synaptics_sysctl, "I", 6100 "Maximum elapsed time between two taps to consider a tap-hold " 6101 "action"); 6102 6103 /* hw.psm.synaptics.vscroll_hor_area. */ 6104 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 6105 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6106 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6107 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6108 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 6109 synaptics_sysctl, "I", 6110 "Area reserved for horizontal virtual scrolling"); 6111 6112 /* hw.psm.synaptics.vscroll_ver_area. */ 6113 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 6114 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6115 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6116 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6117 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 6118 synaptics_sysctl, "I", 6119 "Area reserved for vertical virtual scrolling"); 6120 6121 /* hw.psm.synaptics.vscroll_min_delta. */ 6122 sc->syninfo.vscroll_min_delta = 50; 6123 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6124 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6125 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6126 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 6127 synaptics_sysctl, "I", 6128 "Minimum movement to consider virtual scrolling"); 6129 6130 /* hw.psm.synaptics.vscroll_div_min. */ 6131 sc->syninfo.vscroll_div_min = 100; 6132 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6133 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6134 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6135 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 6136 synaptics_sysctl, "I", 6137 "Divisor for fast scrolling"); 6138 6139 /* hw.psm.synaptics.vscroll_div_min. */ 6140 sc->syninfo.vscroll_div_max = 150; 6141 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6142 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6143 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6144 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 6145 synaptics_sysctl, "I", 6146 "Divisor for slow scrolling"); 6147 6148 /* hw.psm.synaptics.touchpad_off. */ 6149 sc->syninfo.touchpad_off = 0; 6150 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6151 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6152 "touchpad_off", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6153 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 6154 synaptics_sysctl, "I", 6155 "Turn off touchpad"); 6156 6157 sc->syninfo.three_finger_drag = 0; 6158 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6159 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6160 "three_finger_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6161 sc, SYNAPTICS_SYSCTL_THREE_FINGER_DRAG, 6162 synaptics_sysctl, "I", 6163 "Enable dragging with three fingers"); 6164 6165 /* hw.psm.synaptics.natural_scroll. */ 6166 sc->syninfo.natural_scroll = 0; 6167 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6168 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6169 "natural_scroll", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6170 sc, SYNAPTICS_SYSCTL_NATURAL_SCROLL, 6171 synaptics_sysctl, "I", 6172 "Enable natural scrolling"); 6173 6174 sc->syninfo.softbuttons_y = 0; 6175 sc->syninfo.softbutton2_x = 0; 6176 sc->syninfo.softbutton3_x = 0; 6177 6178 /* skip softbuttons sysctl on not clickpads */ 6179 if (sc->synhw.capClickPad) 6180 synaptics_sysctl_create_softbuttons_tree(sc); 6181 } 6182 6183 static int 6184 synaptics_preferred_mode(struct psm_softc *sc) { 6185 int mode_byte; 6186 6187 /* Check if we are in relative mode */ 6188 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 6189 if (tap_enabled == 0) 6190 /* 6191 * Disable tap & drag gestures. We use a Mode Byte 6192 * and set the DisGest bit (see §2.5 of Synaptics 6193 * TouchPad Interfacing Guide). 6194 */ 6195 return (0x04); 6196 else 6197 /* 6198 * Enable tap & drag gestures. We use a Mode Byte 6199 * and clear the DisGest bit (see §2.5 of Synaptics 6200 * TouchPad Interfacing Guide). 6201 */ 6202 return (0x00); 6203 } 6204 6205 mode_byte = 0xc4; 6206 6207 /* request wmode where available */ 6208 if (sc->synhw.capExtended) 6209 mode_byte |= 1; 6210 6211 return mode_byte; 6212 } 6213 6214 static void 6215 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 6216 mouse_ext_command(sc->kbdc, mode_byte); 6217 6218 /* "Commit" the Set Mode Byte command sent above. */ 6219 set_mouse_sampling_rate(sc->kbdc, 20); 6220 6221 /* 6222 * Enable advanced gestures mode if supported and we are not entering 6223 * passthrough or relative mode. 6224 */ 6225 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 6226 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 6227 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODEL_ID); 6228 set_mouse_sampling_rate(sc->kbdc, 0xc8); 6229 } 6230 } 6231 6232 /* 6233 * AUX MUX detection code should be placed at very beginning of probe sequence 6234 * at least before 4-byte protocol mouse probes e.g. MS IntelliMouse probe as 6235 * latter can trigger switching the MUX to incompatible state. 6236 */ 6237 static int 6238 enable_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6239 { 6240 KBDC kbdc = sc->kbdc; 6241 int port, version; 6242 int probe = FALSE; 6243 int active_ports_count = 0; 6244 int active_ports_mask = 0; 6245 6246 version = enable_aux_mux(kbdc); 6247 if (version == -1) 6248 return (FALSE); 6249 6250 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6251 VLOG(3, (LOG_DEBUG, "aux_mux: ping port %d\n", port)); 6252 set_active_aux_mux_port(kbdc, port); 6253 if (enable_aux_dev(kbdc) && disable_aux_dev(kbdc)) { 6254 active_ports_count++; 6255 active_ports_mask |= 1 << port; 6256 } 6257 } 6258 6259 if (verbose >= 2) 6260 printf("Active Multiplexing PS/2 controller v%d.%d with %d " 6261 "active port(s)\n", version >> 4 & 0x0f, version & 0x0f, 6262 active_ports_count); 6263 6264 /* psm has a special support for GenMouse + SynTouchpad combination */ 6265 if (active_ports_count >= 2) { 6266 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6267 if ((active_ports_mask & 1 << port) == 0) 6268 continue; 6269 VLOG(3, (LOG_DEBUG, "aux_mux: probe port %d\n", port)); 6270 set_active_aux_mux_port(kbdc, port); 6271 probe = enable_synaptics(sc, arg); 6272 if (probe) { 6273 if (arg == PROBE) 6274 sc->muxport = port; 6275 break; 6276 } 6277 } 6278 } 6279 6280 /* IRQ handler does not support active multiplexing mode */ 6281 disable_aux_mux(kbdc); 6282 6283 return (probe); 6284 } 6285 6286 static int 6287 enable_synaptics(struct psm_softc *sc, enum probearg arg) 6288 { 6289 device_t psmcpnp; 6290 struct psmcpnp_softc *psmcpnp_sc; 6291 KBDC kbdc = sc->kbdc; 6292 synapticshw_t synhw; 6293 int status[3]; 6294 int buttons; 6295 6296 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6297 6298 /* 6299 * Just to be on the safe side: this avoids troubles with 6300 * following mouse_ext_command() when the previous command 6301 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6302 * Synaptics Touchpad behaviour. 6303 */ 6304 set_mouse_scaling(kbdc, 1); 6305 6306 /* Identify the Touchpad version. */ 6307 if (mouse_ext_command(kbdc, SYNAPTICS_READ_IDENTITY) == 0) 6308 return (FALSE); 6309 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6310 return (FALSE); 6311 if (status[1] != 0x47) 6312 return (FALSE); 6313 6314 bzero(&synhw, sizeof(synhw)); 6315 synhw.infoMinor = status[0]; 6316 synhw.infoMajor = status[2] & 0x0f; 6317 6318 if (verbose >= 2) 6319 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6320 synhw.infoMinor); 6321 6322 if (synhw.infoMajor < 4) { 6323 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6324 return (FALSE); 6325 } 6326 6327 /* Get the Touchpad model information. */ 6328 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODEL_ID) == 0) 6329 return (FALSE); 6330 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6331 return (FALSE); 6332 if ((status[1] & 0x01) != 0) { 6333 printf(" Failed to read model information\n"); 6334 return (FALSE); 6335 } 6336 6337 synhw.infoRot180 = (status[0] & 0x80) != 0; 6338 synhw.infoPortrait = (status[0] & 0x40) != 0; 6339 synhw.infoSensor = status[0] & 0x3f; 6340 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6341 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6342 synhw.capPen = (status[2] & 0x40) != 0; 6343 synhw.infoSimplC = (status[2] & 0x20) != 0; 6344 synhw.infoGeometry = status[2] & 0x0f; 6345 6346 if (verbose >= 2) { 6347 printf(" Model information:\n"); 6348 printf(" infoRot180: %d\n", synhw.infoRot180); 6349 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6350 printf(" infoSensor: %d\n", synhw.infoSensor); 6351 printf(" infoHardware: %d\n", synhw.infoHardware); 6352 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6353 printf(" capPen: %d\n", synhw.capPen); 6354 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6355 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6356 } 6357 6358 /* Read the extended capability bits. */ 6359 if (mouse_ext_command(kbdc, SYNAPTICS_READ_CAPABILITIES) == 0) 6360 return (FALSE); 6361 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6362 return (FALSE); 6363 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6364 printf(" Failed to read extended capability bits\n"); 6365 return (FALSE); 6366 } 6367 6368 psmcpnp = devclass_get_device(devclass_find(PSMCPNP_DRIVER_NAME), 6369 sc->unit); 6370 psmcpnp_sc = (psmcpnp != NULL) ? device_get_softc(psmcpnp) : NULL; 6371 6372 /* Set the different capabilities when they exist. */ 6373 buttons = 0; 6374 synhw.capExtended = (status[0] & 0x80) != 0; 6375 if (synhw.capExtended) { 6376 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6377 synhw.capMiddle = (status[0] & 0x04) != 0; 6378 synhw.capPassthrough = (status[2] & 0x80) != 0; 6379 synhw.capLowPower = (status[2] & 0x40) != 0; 6380 synhw.capMultiFingerReport = 6381 (status[2] & 0x20) != 0; 6382 synhw.capSleep = (status[2] & 0x10) != 0; 6383 synhw.capFourButtons = (status[2] & 0x08) != 0; 6384 synhw.capBallistics = (status[2] & 0x04) != 0; 6385 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6386 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6387 6388 if (!set_mouse_scaling(kbdc, 1)) 6389 return (FALSE); 6390 if (mouse_ext_command(kbdc, SYNAPTICS_READ_RESOLUTIONS) == 0) 6391 return (FALSE); 6392 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6393 return (FALSE); 6394 6395 if (status[0] != 0 && (status[1] & 0x80) && status[2] != 0) { 6396 synhw.infoXupmm = status[0]; 6397 synhw.infoYupmm = status[2]; 6398 } 6399 6400 if (verbose >= 2) { 6401 printf(" Extended capabilities:\n"); 6402 printf(" capExtended: %d\n", synhw.capExtended); 6403 printf(" capMiddle: %d\n", synhw.capMiddle); 6404 printf(" nExtendedQueries: %d\n", 6405 synhw.nExtendedQueries); 6406 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6407 printf(" capLowPower: %d\n", synhw.capLowPower); 6408 printf(" capMultiFingerReport: %d\n", 6409 synhw.capMultiFingerReport); 6410 printf(" capSleep: %d\n", synhw.capSleep); 6411 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6412 printf(" capBallistics: %d\n", synhw.capBallistics); 6413 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6414 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6415 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6416 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6417 } 6418 6419 /* 6420 * If nExtendedQueries is 1 or greater, then the TouchPad 6421 * supports this number of extended queries. We can load 6422 * more information about buttons using query 0x09. 6423 */ 6424 if (synhw.nExtendedQueries >= 1) { 6425 if (!set_mouse_scaling(kbdc, 1)) 6426 return (FALSE); 6427 if (mouse_ext_command(kbdc, 6428 SYNAPTICS_READ_EXTENDED) == 0) 6429 return (FALSE); 6430 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6431 return (FALSE); 6432 synhw.verticalScroll = (status[0] & 0x01) != 0; 6433 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6434 synhw.verticalWheel = (status[0] & 0x08) != 0; 6435 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6436 synhw.capEWmode = (status[0] & 0x04) != 0; 6437 if (verbose >= 2) { 6438 printf(" Extended model ID:\n"); 6439 printf(" verticalScroll: %d\n", 6440 synhw.verticalScroll); 6441 printf(" horizontalScroll: %d\n", 6442 synhw.horizontalScroll); 6443 printf(" verticalWheel: %d\n", 6444 synhw.verticalWheel); 6445 printf(" nExtendedButtons: %d\n", 6446 synhw.nExtendedButtons); 6447 printf(" capEWmode: %d\n", 6448 synhw.capEWmode); 6449 } 6450 /* 6451 * Add the number of extended buttons to the total 6452 * button support count, including the middle button 6453 * if capMiddle support bit is set. 6454 */ 6455 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6456 } else 6457 /* 6458 * If the capFourButtons support bit is set, 6459 * add a fourth button to the total button count. 6460 */ 6461 buttons = synhw.capFourButtons ? 1 : 0; 6462 6463 /* Read the continued capabilities bits. */ 6464 if (synhw.nExtendedQueries >= 4) { 6465 if (!set_mouse_scaling(kbdc, 1)) 6466 return (FALSE); 6467 if (mouse_ext_command(kbdc, 6468 SYNAPTICS_READ_CAPABILITIES_CONT) == 0) 6469 return (FALSE); 6470 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6471 return (FALSE); 6472 6473 synhw.capClickPad = (status[1] & 0x01) << 1; 6474 synhw.capClickPad |= (status[0] & 0x10) != 0; 6475 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6476 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6477 synhw.capReportsV = (status[1] & 0x08) != 0; 6478 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6479 synhw.capReportsMin = (status[1] & 0x20) != 0; 6480 synhw.capInterTouch = (status[1] & 0x40) != 0; 6481 synhw.capReportsMax = (status[0] & 0x02) != 0; 6482 synhw.capClearPad = (status[0] & 0x04) != 0; 6483 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6484 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6485 6486 if (synhw.capReportsMax) { 6487 if (!set_mouse_scaling(kbdc, 1)) 6488 return (FALSE); 6489 if (mouse_ext_command(kbdc, 6490 SYNAPTICS_READ_MAX_COORDS) == 0) 6491 return (FALSE); 6492 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6493 return (FALSE); 6494 6495 synhw.maximumXCoord = (status[0] << 5) | 6496 ((status[1] & 0x0f) << 1); 6497 synhw.maximumYCoord = (status[2] << 5) | 6498 ((status[1] & 0xf0) >> 3); 6499 } else { 6500 /* 6501 * Typical bezel limits. Taken from 'Synaptics 6502 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6503 */ 6504 synhw.maximumXCoord = 5472; 6505 synhw.maximumYCoord = 4448; 6506 } 6507 6508 if (synhw.capReportsMin) { 6509 if (!set_mouse_scaling(kbdc, 1)) 6510 return (FALSE); 6511 if (mouse_ext_command(kbdc, 6512 SYNAPTICS_READ_MIN_COORDS) == 0) 6513 return (FALSE); 6514 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6515 return (FALSE); 6516 6517 synhw.minimumXCoord = (status[0] << 5) | 6518 ((status[1] & 0x0f) << 1); 6519 synhw.minimumYCoord = (status[2] << 5) | 6520 ((status[1] & 0xf0) >> 3); 6521 } else { 6522 /* 6523 * Typical bezel limits. Taken from 'Synaptics 6524 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6525 */ 6526 synhw.minimumXCoord = 1472; 6527 synhw.minimumYCoord = 1408; 6528 } 6529 6530 /* 6531 * ClickPad properties are not exported through PS/2 6532 * protocol. Detection is based on controller's PnP ID. 6533 */ 6534 if (synhw.capClickPad && psmcpnp_sc != NULL) { 6535 switch (psmcpnp_sc->type) { 6536 case PSMCPNP_FORCEPAD: 6537 synhw.forcePad = 1; 6538 break; 6539 case PSMCPNP_TOPBUTTONPAD: 6540 synhw.topButtonPad = 1; 6541 break; 6542 default: 6543 break; 6544 } 6545 } 6546 6547 if (verbose >= 2) { 6548 printf(" Continued capabilities:\n"); 6549 printf(" capClickPad: %d\n", 6550 synhw.capClickPad); 6551 printf(" capDeluxeLEDs: %d\n", 6552 synhw.capDeluxeLEDs); 6553 printf(" noAbsoluteFilter: %d\n", 6554 synhw.noAbsoluteFilter); 6555 printf(" capReportsV: %d\n", 6556 synhw.capReportsV); 6557 printf(" capUniformClickPad: %d\n", 6558 synhw.capUniformClickPad); 6559 printf(" capReportsMin: %d\n", 6560 synhw.capReportsMin); 6561 printf(" capInterTouch: %d\n", 6562 synhw.capInterTouch); 6563 printf(" capReportsMax: %d\n", 6564 synhw.capReportsMax); 6565 printf(" capClearPad: %d\n", 6566 synhw.capClearPad); 6567 printf(" capAdvancedGestures: %d\n", 6568 synhw.capAdvancedGestures); 6569 printf(" capCoveredPad: %d\n", 6570 synhw.capCoveredPad); 6571 if (synhw.capReportsMax) { 6572 printf(" maximumXCoord: %d\n", 6573 synhw.maximumXCoord); 6574 printf(" maximumYCoord: %d\n", 6575 synhw.maximumYCoord); 6576 } 6577 if (synhw.capReportsMin) { 6578 printf(" minimumXCoord: %d\n", 6579 synhw.minimumXCoord); 6580 printf(" minimumYCoord: %d\n", 6581 synhw.minimumYCoord); 6582 } 6583 if (synhw.capClickPad) { 6584 printf(" Clickpad capabilities:\n"); 6585 printf(" forcePad: %d\n", 6586 synhw.forcePad); 6587 printf(" topButtonPad: %d\n", 6588 synhw.topButtonPad); 6589 } 6590 } 6591 buttons += synhw.capClickPad; 6592 } 6593 } 6594 6595 if (verbose >= 2) { 6596 if (synhw.capExtended) 6597 printf(" Additional Buttons: %d\n", buttons); 6598 else 6599 printf(" No extended capabilities\n"); 6600 } 6601 6602 /* 6603 * Add the default number of 3 buttons to the total 6604 * count of supported buttons reported above. 6605 */ 6606 buttons += 3; 6607 6608 /* 6609 * Read the mode byte. 6610 * 6611 * XXX: Note the Synaptics documentation also defines the first 6612 * byte of the response to this query to be a constant 0x3b, this 6613 * does not appear to be true for Touchpads with guest devices. 6614 */ 6615 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODES) == 0) 6616 return (FALSE); 6617 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6618 return (FALSE); 6619 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6620 printf(" Failed to read mode byte\n"); 6621 return (FALSE); 6622 } 6623 6624 if (arg == PROBE) 6625 sc->synhw = synhw; 6626 if (!synaptics_support) 6627 return (FALSE); 6628 6629 /* Set mouse type just now for synaptics_set_mode() */ 6630 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6631 6632 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6633 6634 if (trackpoint_support && synhw.capPassthrough) { 6635 enable_trackpoint(sc, arg); 6636 } 6637 6638 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6639 6640 if (arg == PROBE) { 6641 /* Create sysctl tree. */ 6642 synaptics_sysctl_create_tree(sc, "synaptics", 6643 "Synaptics TouchPad"); 6644 sc->hw.buttons = buttons; 6645 } 6646 6647 return (TRUE); 6648 } 6649 6650 static void 6651 synaptics_passthrough_on(struct psm_softc *sc) 6652 { 6653 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6654 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6655 } 6656 6657 static void 6658 synaptics_passthrough_off(struct psm_softc *sc) 6659 { 6660 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6661 set_mouse_scaling(sc->kbdc, 2); 6662 set_mouse_scaling(sc->kbdc, 1); 6663 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6664 } 6665 6666 /* IBM/Lenovo TrackPoint */ 6667 static int 6668 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6669 { 6670 const int seq[] = { 0xe2, cmd, loc, val }; 6671 int i; 6672 6673 if (sc->synhw.capPassthrough) 6674 synaptics_passthrough_on(sc); 6675 6676 for (i = 0; i < nitems(seq); i++) { 6677 if (sc->synhw.capPassthrough && 6678 (seq[i] == 0xff || seq[i] == 0xe7)) 6679 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6680 synaptics_passthrough_off(sc); 6681 return (EIO); 6682 } 6683 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6684 if (sc->synhw.capPassthrough) 6685 synaptics_passthrough_off(sc); 6686 return (EIO); 6687 } 6688 } 6689 6690 if (sc->synhw.capPassthrough) 6691 synaptics_passthrough_off(sc); 6692 6693 return (0); 6694 } 6695 6696 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6697 #define TPMASK 0 6698 #define TPLOC 1 6699 #define TPINFO 2 6700 6701 static int 6702 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6703 { 6704 static const int data[][3] = { 6705 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6706 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6707 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6708 { 0x00, 0x57, PSM_TPINFO(reach) }, 6709 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6710 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6711 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6712 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6713 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6714 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6715 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6716 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6717 }; 6718 struct psm_softc *sc; 6719 int error, newval, *oldvalp; 6720 const int *tp; 6721 6722 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6723 return (EINVAL); 6724 sc = arg1; 6725 tp = data[arg2]; 6726 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6727 newval = *oldvalp; 6728 error = sysctl_handle_int(oidp, &newval, 0, req); 6729 if (error != 0) 6730 return (error); 6731 if (newval == *oldvalp) 6732 return (0); 6733 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6734 return (EINVAL); 6735 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6736 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6737 if (error != 0) 6738 return (error); 6739 *oldvalp = newval; 6740 6741 return (0); 6742 } 6743 6744 static void 6745 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6746 { 6747 6748 if (sc->tpinfo.sysctl_tree != NULL) 6749 return; 6750 6751 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6752 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6753 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6754 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 6755 0, "IBM/Lenovo TrackPoint"); 6756 6757 /* hw.psm.trackpoint.sensitivity */ 6758 sc->tpinfo.sensitivity = 0x80; 6759 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6760 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6761 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6762 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6763 trackpoint_sysctl, "I", 6764 "Sensitivity"); 6765 6766 /* hw.psm.trackpoint.negative_inertia */ 6767 sc->tpinfo.inertia = 0x06; 6768 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6769 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6770 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6771 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6772 trackpoint_sysctl, "I", 6773 "Negative inertia factor"); 6774 6775 /* hw.psm.trackpoint.upper_plateau */ 6776 sc->tpinfo.uplateau = 0x61; 6777 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6778 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6779 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6780 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6781 trackpoint_sysctl, "I", 6782 "Transfer function upper plateau speed"); 6783 6784 /* hw.psm.trackpoint.backup_range */ 6785 sc->tpinfo.reach = 0x0a; 6786 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6787 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6788 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6789 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6790 trackpoint_sysctl, "I", 6791 "Backup range"); 6792 6793 /* hw.psm.trackpoint.drag_hysteresis */ 6794 sc->tpinfo.draghys = 0xff; 6795 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6796 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6797 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6798 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6799 trackpoint_sysctl, "I", 6800 "Drag hysteresis"); 6801 6802 /* hw.psm.trackpoint.minimum_drag */ 6803 sc->tpinfo.mindrag = 0x14; 6804 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6805 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6806 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6807 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6808 trackpoint_sysctl, "I", 6809 "Minimum drag"); 6810 6811 /* hw.psm.trackpoint.up_threshold */ 6812 sc->tpinfo.upthresh = 0xff; 6813 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6814 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6815 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6816 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6817 trackpoint_sysctl, "I", 6818 "Up threshold for release"); 6819 6820 /* hw.psm.trackpoint.threshold */ 6821 sc->tpinfo.threshold = 0x08; 6822 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6823 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6824 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6825 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6826 trackpoint_sysctl, "I", 6827 "Threshold"); 6828 6829 /* hw.psm.trackpoint.jenks_curvature */ 6830 sc->tpinfo.jenks = 0x87; 6831 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6832 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6833 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6834 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6835 trackpoint_sysctl, "I", 6836 "Jenks curvature"); 6837 6838 /* hw.psm.trackpoint.z_time */ 6839 sc->tpinfo.ztime = 0x26; 6840 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6841 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6842 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6843 sc, TRACKPOINT_SYSCTL_Z_TIME, 6844 trackpoint_sysctl, "I", 6845 "Z time constant"); 6846 6847 /* hw.psm.trackpoint.press_to_select */ 6848 sc->tpinfo.pts = 0x00; 6849 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6850 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6851 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6852 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6853 trackpoint_sysctl, "I", 6854 "Press to Select"); 6855 6856 /* hw.psm.trackpoint.skip_backups */ 6857 sc->tpinfo.skipback = 0x00; 6858 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6859 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6860 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6861 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6862 trackpoint_sysctl, "I", 6863 "Skip backups from drags"); 6864 } 6865 6866 static void 6867 set_trackpoint_parameters(struct psm_softc *sc) 6868 { 6869 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6870 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6871 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6872 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6873 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6874 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6875 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6876 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6877 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6878 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6879 if (sc->tpinfo.pts == 0x01) 6880 trackpoint_command(sc, 0x47, 0x2c, 0x01); 6881 if (sc->tpinfo.skipback == 0x01) 6882 trackpoint_command(sc, 0x47, 0x2d, 0x08); 6883 } 6884 6885 static int 6886 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 6887 { 6888 KBDC kbdc = sc->kbdc; 6889 int id; 6890 6891 /* 6892 * If called from enable_synaptics(), make sure that passthrough 6893 * mode is enabled so we can reach the trackpoint. 6894 * However, passthrough mode must be disabled before setting the 6895 * trackpoint parameters, as rackpoint_command() enables and disables 6896 * passthrough mode on its own. 6897 */ 6898 if (sc->synhw.capPassthrough) 6899 synaptics_passthrough_on(sc); 6900 6901 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 6902 read_aux_data(kbdc) != 0x01) 6903 goto no_trackpoint; 6904 id = read_aux_data(kbdc); 6905 if (id < 0x01) 6906 goto no_trackpoint; 6907 if (arg == PROBE) 6908 sc->tphw = id; 6909 if (!trackpoint_support) 6910 goto no_trackpoint; 6911 6912 if (sc->synhw.capPassthrough) 6913 synaptics_passthrough_off(sc); 6914 6915 if (arg == PROBE) { 6916 trackpoint_sysctl_create_tree(sc); 6917 /* 6918 * Don't overwrite hwid and buttons when we are 6919 * a guest device. 6920 */ 6921 if (!sc->synhw.capPassthrough) { 6922 sc->hw.hwid = id; 6923 sc->hw.buttons = 3; 6924 } 6925 } 6926 6927 set_trackpoint_parameters(sc); 6928 6929 return (TRUE); 6930 6931 no_trackpoint: 6932 if (sc->synhw.capPassthrough) 6933 synaptics_passthrough_off(sc); 6934 6935 return (FALSE); 6936 } 6937 6938 /* Interlink electronics VersaPad */ 6939 static int 6940 enable_versapad(struct psm_softc *sc, enum probearg arg) 6941 { 6942 KBDC kbdc = sc->kbdc; 6943 int data[3]; 6944 6945 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 6946 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 6947 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6948 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6949 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6950 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6951 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 6952 return (FALSE); 6953 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 6954 return (FALSE); 6955 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6956 6957 return (TRUE); /* PS/2 absolute mode */ 6958 } 6959 6960 /* Elantech Touchpad */ 6961 static int 6962 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 6963 { 6964 int res, readcmd, retidx; 6965 int resp[3]; 6966 6967 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 6968 retidx = hwversion == 4 ? 1 : 0; 6969 6970 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6971 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 6972 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6973 res |= send_aux_command(kbdc, reg) != PSM_ACK; 6974 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 6975 6976 if (res == 0) 6977 *val = resp[retidx]; 6978 6979 return (res); 6980 } 6981 6982 static int 6983 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 6984 { 6985 int res, writecmd; 6986 6987 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 6988 6989 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6990 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 6991 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6992 res |= send_aux_command(kbdc, reg) != PSM_ACK; 6993 if (hwversion == 4) { 6994 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6995 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 6996 } 6997 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6998 res |= send_aux_command(kbdc, val) != PSM_ACK; 6999 res |= set_mouse_scaling(kbdc, 1) == 0; 7000 7001 return (res); 7002 } 7003 7004 static int 7005 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 7006 { 7007 int res; 7008 7009 if (hwversion == 2) { 7010 res = set_mouse_scaling(kbdc, 1) == 0; 7011 res |= mouse_ext_command(kbdc, cmd) == 0; 7012 } else { 7013 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7014 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 7015 } 7016 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7017 7018 return (res); 7019 } 7020 7021 static int 7022 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 7023 { 7024 int i, val, res, hwversion, reg10; 7025 7026 /* set absolute mode */ 7027 hwversion = elanhw->hwversion; 7028 reg10 = -1; 7029 switch (hwversion) { 7030 case 2: 7031 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 7032 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7033 if (res) 7034 break; 7035 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 7036 break; 7037 case 3: 7038 reg10 = 0x0b; 7039 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7040 break; 7041 case 4: 7042 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 7043 break; 7044 default: 7045 res = 1; 7046 } 7047 7048 /* Read back reg 0x10 to ensure hardware is ready. */ 7049 if (res == 0 && reg10 >= 0) { 7050 for (i = 0; i < 5; i++) { 7051 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 7052 break; 7053 DELAY(2000); 7054 } 7055 if (i == 5) 7056 res = 1; 7057 } 7058 7059 if (res) 7060 printf("couldn't set absolute mode\n"); 7061 7062 return (res); 7063 } 7064 7065 static void 7066 elantech_init_synaptics(struct psm_softc *sc) 7067 { 7068 7069 /* Set capabilites required by movement smother */ 7070 sc->synhw.infoMajor = sc->elanhw.hwversion; 7071 sc->synhw.infoMinor = sc->elanhw.fwversion; 7072 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 7073 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 7074 sc->synhw.verticalScroll = 0; 7075 sc->synhw.nExtendedQueries = 4; 7076 sc->synhw.capExtended = 1; 7077 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 7078 sc->synhw.capClickPad = sc->elanhw.isclickpad; 7079 sc->synhw.capMultiFinger = 1; 7080 if (sc->elanhw.issemimt) 7081 sc->synhw.capAdvancedGestures = 1; 7082 else 7083 sc->synhw.capReportsV = 1; 7084 sc->synhw.capPalmDetect = 1; 7085 sc->synhw.capPen = 0; 7086 sc->synhw.capReportsMax = 1; 7087 sc->synhw.maximumXCoord = sc->elanhw.sizex; 7088 sc->synhw.maximumYCoord = sc->elanhw.sizey; 7089 sc->synhw.capReportsMin = 1; 7090 sc->synhw.minimumXCoord = 0; 7091 sc->synhw.minimumYCoord = 0; 7092 7093 if (sc->syninfo.sysctl_tree == NULL) { 7094 synaptics_sysctl_create_tree(sc, "elantech", 7095 "Elantech Touchpad"); 7096 7097 /* 7098 * Adjust synaptic smoother tunables 7099 * 1. Disable finger detection pressure threshold. Unlike 7100 * synaptics we assume the finger is acting when packet with 7101 * its X&Y arrives not when pressure exceedes some threshold 7102 * 2. Disable unrelated features like margins and noisy areas 7103 * 3. Disable virtual scroll areas as 2nd finger is preferable 7104 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 7105 * softbuttons 7106 * 5. Scale down divisors and movement lengths by a factor of 3 7107 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 7108 */ 7109 7110 /* Set reporting range to be equal touchpad size */ 7111 sc->syninfo.max_x = sc->elanhw.sizex; 7112 sc->syninfo.max_y = sc->elanhw.sizey; 7113 7114 /* Disable finger detection pressure threshold */ 7115 sc->syninfo.min_pressure = 1; 7116 7117 /* Adjust palm width to nearly match synaptics w=10 */ 7118 sc->syninfo.max_width = 7; 7119 7120 /* Elans often report double & triple taps as single event */ 7121 sc->syninfo.tap_min_queue = 1; 7122 7123 /* Use full area of touchpad */ 7124 sc->syninfo.margin_top = 0; 7125 sc->syninfo.margin_right = 0; 7126 sc->syninfo.margin_bottom = 0; 7127 sc->syninfo.margin_left = 0; 7128 7129 /* Disable noisy area */ 7130 sc->syninfo.na_top = 0; 7131 sc->syninfo.na_right = 0; 7132 sc->syninfo.na_bottom = 0; 7133 sc->syninfo.na_left = 0; 7134 7135 /* Tune divisors and movement lengths */ 7136 sc->syninfo.weight_len_squared = 200; 7137 sc->syninfo.div_min = 3; 7138 sc->syninfo.div_max = 6; 7139 sc->syninfo.div_max_na = 10; 7140 sc->syninfo.div_len = 30; 7141 sc->syninfo.tap_max_delta = 25; 7142 7143 /* Disable virtual scrolling areas and tune its divisors */ 7144 sc->syninfo.vscroll_hor_area = 0; 7145 sc->syninfo.vscroll_ver_area = 0; 7146 sc->syninfo.vscroll_min_delta = 15; 7147 sc->syninfo.vscroll_div_min = 30; 7148 sc->syninfo.vscroll_div_max = 50; 7149 7150 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 7151 if (sc->elanhw.isclickpad) { 7152 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 7153 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 7154 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 7155 } 7156 } 7157 7158 return; 7159 } 7160 7161 static int 7162 enable_elantech(struct psm_softc *sc, enum probearg arg) 7163 { 7164 static const int ic2hw[] = 7165 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 7166 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }; 7167 static const int fw_sizes[][3] = { 7168 /* FW.vers MaxX MaxY */ 7169 { 0x020030, 1152, 768 }, 7170 { 0x020800, 1152, 768 }, 7171 { 0x020b00, 1152, 768 }, 7172 { 0x040215, 900, 500 }, 7173 { 0x040216, 819, 405 }, 7174 { 0x040219, 900, 500 }, 7175 }; 7176 elantechhw_t elanhw; 7177 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 7178 KBDC kbdc = sc->kbdc; 7179 7180 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 7181 7182 set_mouse_scaling(kbdc, 1); 7183 set_mouse_scaling(kbdc, 1); 7184 set_mouse_scaling(kbdc, 1); 7185 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 7186 return (FALSE); 7187 7188 if (!ELANTECH_MAGIC(resp)) 7189 return (FALSE); 7190 7191 /* Identify the Touchpad version. */ 7192 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 7193 return (FALSE); 7194 7195 bzero(&elanhw, sizeof(elanhw)); 7196 7197 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 7198 icversion = resp[0] & 0x0f; 7199 hwversion = ic2hw[icversion]; 7200 7201 if (verbose >= 2) 7202 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 7203 hwversion, elanhw.fwversion); 7204 7205 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 7206 printf (" Unsupported touchpad hardware (v1)\n"); 7207 return (FALSE); 7208 } 7209 if (hwversion == 0) { 7210 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 7211 elanhw.fwversion); 7212 return (FALSE); 7213 } 7214 7215 /* Get the Touchpad model information. */ 7216 elanhw.hwversion = hwversion; 7217 elanhw.issemimt = hwversion == 2; 7218 elanhw.isclickpad = (resp[1] & 0x10) != 0; 7219 elanhw.hascrc = (resp[1] & 0x40) != 0; 7220 elanhw.haspressure = elanhw.fwversion >= 0x020800; 7221 7222 /* Read the capability bits. */ 7223 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 7224 printf(" Failed to read capability bits\n"); 7225 return (FALSE); 7226 } 7227 7228 elanhw.ntracesx = imax(resp[1], 3); 7229 elanhw.ntracesy = imax(resp[2], 3); 7230 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 7231 7232 /* Get the touchpad resolution */ 7233 switch (hwversion) { 7234 case 4: 7235 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 7236 == 0) { 7237 dpix = (resp[1] & 0x0f) * 10 + 790; 7238 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 7239 elanhw.dpmmx = (dpix * 10 + 5) / 254; 7240 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 7241 break; 7242 } 7243 /* FALLTHROUGH */ 7244 case 2: 7245 case 3: 7246 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 7247 break; 7248 } 7249 7250 if (!elantech_support) 7251 return (FALSE); 7252 7253 if (elantech_init(kbdc, &elanhw)) { 7254 printf("couldn't initialize elantech touchpad\n"); 7255 return (FALSE); 7256 } 7257 7258 /* 7259 * Get the touchpad reporting range. 7260 * On HW v.3 touchpads it should be done after switching hardware 7261 * to real resolution mode (by setting bit 3 of reg10) 7262 */ 7263 elanhw.dptracex = elanhw.dptracey = 64; 7264 for (i = 0; i < nitems(fw_sizes); i++) { 7265 if (elanhw.fwversion == fw_sizes[i][0]) { 7266 elanhw.sizex = fw_sizes[i][1]; 7267 elanhw.sizey = fw_sizes[i][2]; 7268 goto found; 7269 } 7270 } 7271 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 7272 printf(" Failed to read touchpad size\n"); 7273 elanhw.sizex = 10000; /* Arbitrary high values to */ 7274 elanhw.sizey = 10000; /* prevent clipping in smoother */ 7275 } else if (hwversion == 2) { 7276 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 7277 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 7278 elanhw.dptracex = resp[1] / 2; 7279 elanhw.dptracey = resp[2] / 2; 7280 } 7281 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 7282 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 7283 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 7284 } else { 7285 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 7286 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 7287 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 7288 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 7289 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 7290 } 7291 found: 7292 if (verbose >= 2) { 7293 printf(" Model information:\n"); 7294 printf(" MaxX: %d\n", elanhw.sizex); 7295 printf(" MaxY: %d\n", elanhw.sizey); 7296 printf(" DpmmX: %d\n", elanhw.dpmmx); 7297 printf(" DpmmY: %d\n", elanhw.dpmmy); 7298 printf(" TracesX: %d\n", elanhw.ntracesx); 7299 printf(" TracesY: %d\n", elanhw.ntracesy); 7300 printf(" DptraceX: %d\n", elanhw.dptracex); 7301 printf(" DptraceY: %d\n", elanhw.dptracey); 7302 printf(" SemiMT: %d\n", elanhw.issemimt); 7303 printf(" Clickpad: %d\n", elanhw.isclickpad); 7304 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 7305 printf(" CRC: %d\n", elanhw.hascrc); 7306 printf(" Pressure: %d\n", elanhw.haspressure); 7307 } 7308 7309 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 7310 7311 if (arg == PROBE) { 7312 sc->elanhw = elanhw; 7313 sc->hw.buttons = 3; 7314 7315 /* Initialize synaptics movement smoother */ 7316 elantech_init_synaptics(sc); 7317 7318 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 7319 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 7320 } 7321 7322 return (TRUE); 7323 } 7324 7325 /* 7326 * Return true if 'now' is earlier than (start + (secs.usecs)). 7327 * Now may be NULL and the function will fetch the current time from 7328 * getmicrouptime(), or a cached 'now' can be passed in. 7329 * All values should be numbers derived from getmicrouptime(). 7330 */ 7331 static int 7332 timeelapsed(start, secs, usecs, now) 7333 const struct timeval *start, *now; 7334 int secs, usecs; 7335 { 7336 struct timeval snow, tv; 7337 7338 /* if there is no 'now' passed in, the get it as a convience. */ 7339 if (now == NULL) { 7340 getmicrouptime(&snow); 7341 now = &snow; 7342 } 7343 7344 tv.tv_sec = secs; 7345 tv.tv_usec = usecs; 7346 timevaladd(&tv, start); 7347 return (timevalcmp(&tv, now, <)); 7348 } 7349 7350 static int 7351 psmresume(device_t dev) 7352 { 7353 struct psm_softc *sc = device_get_softc(dev); 7354 int unit = device_get_unit(dev); 7355 int err; 7356 7357 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 7358 7359 if ((sc->config & 7360 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 7361 return (0); 7362 7363 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 7364 7365 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 7366 /* 7367 * Release the blocked process; it must be notified that 7368 * the device cannot be accessed anymore. 7369 */ 7370 sc->state &= ~PSM_ASLP; 7371 wakeup(sc); 7372 } 7373 7374 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 7375 7376 return (err); 7377 } 7378 7379 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 7380 #ifdef EVDEV_SUPPORT 7381 MODULE_DEPEND(psm, evdev, 1, 1, 1); 7382 #endif 7383 7384 #ifdef DEV_ISA 7385 7386 /* 7387 * This sucks up assignments from PNPBIOS and ACPI. 7388 */ 7389 7390 /* 7391 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 7392 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 7393 * can be probed and attached only after the AT keyboard controller is 7394 * attached, we shall quietly reserve the IRQ resource for later use. 7395 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 7396 * copy the IRQ resource to the PS/2 mouse device instance hanging 7397 * under the keyboard controller, then probe and attach it. 7398 */ 7399 7400 static devclass_t psmcpnp_devclass; 7401 7402 static device_probe_t psmcpnp_probe; 7403 static device_attach_t psmcpnp_attach; 7404 7405 static device_method_t psmcpnp_methods[] = { 7406 DEVMETHOD(device_probe, psmcpnp_probe), 7407 DEVMETHOD(device_attach, psmcpnp_attach), 7408 7409 { 0, 0 } 7410 }; 7411 7412 static driver_t psmcpnp_driver = { 7413 PSMCPNP_DRIVER_NAME, 7414 psmcpnp_methods, 7415 sizeof(struct psmcpnp_softc), 7416 }; 7417 7418 static struct isa_pnp_id psmcpnp_ids[] = { 7419 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7420 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7421 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7422 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7423 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7424 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7425 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7426 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7427 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7428 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7429 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7430 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7431 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7432 { 0 } 7433 }; 7434 7435 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7436 static struct isa_pnp_id topbtpad_ids[] = { 7437 { 0x1700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0017, ThinkPad */ 7438 { 0x1800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0018, ThinkPad */ 7439 { 0x1900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0019, ThinkPad */ 7440 { 0x2300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0023, ThinkPad */ 7441 { 0x2a00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002a, ThinkPad */ 7442 { 0x2b00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002b, ThinkPad */ 7443 { 0x2c00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002c, ThinkPad */ 7444 { 0x2d00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002d, ThinkPad */ 7445 { 0x2e00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002e, ThinkPad */ 7446 { 0x3300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0033, ThinkPad */ 7447 { 0x3400ae30, "Lenovo PS/2 clickpad port" }, /* LEN0034, ThinkPad */ 7448 { 0x3500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0035, ThinkPad */ 7449 { 0x3600ae30, "Lenovo PS/2 clickpad port" }, /* LEN0036, ThinkPad */ 7450 { 0x3700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0037, ThinkPad */ 7451 { 0x3800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0038, ThinkPad */ 7452 { 0x3900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0039, ThinkPad */ 7453 { 0x4100ae30, "Lenovo PS/2 clickpad port" }, /* LEN0041, ThinkPad */ 7454 { 0x4200ae30, "Lenovo PS/2 clickpad port" }, /* LEN0042, ThinkPad */ 7455 { 0x4500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0045, ThinkPad */ 7456 { 0x4700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0047, ThinkPad */ 7457 { 0x4900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0049, ThinkPad */ 7458 { 0x0020ae30, "Lenovo PS/2 clickpad port" }, /* LEN2000, ThinkPad */ 7459 { 0x0120ae30, "Lenovo PS/2 clickpad port" }, /* LEN2001, ThinkPad */ 7460 { 0x0220ae30, "Lenovo PS/2 clickpad port" }, /* LEN2002, ThinkPad */ 7461 { 0x0320ae30, "Lenovo PS/2 clickpad port" }, /* LEN2003, ThinkPad */ 7462 { 0x0420ae30, "Lenovo PS/2 clickpad port" }, /* LEN2004, ThinkPad */ 7463 { 0x0520ae30, "Lenovo PS/2 clickpad port" }, /* LEN2005, ThinkPad */ 7464 { 0x0620ae30, "Lenovo PS/2 clickpad port" }, /* LEN2006, ThinkPad */ 7465 { 0x0720ae30, "Lenovo PS/2 clickpad port" }, /* LEN2007, ThinkPad */ 7466 { 0x0820ae30, "Lenovo PS/2 clickpad port" }, /* LEN2008, ThinkPad */ 7467 { 0x0920ae30, "Lenovo PS/2 clickpad port" }, /* LEN2009, ThinkPad */ 7468 { 0x0a20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200a, ThinkPad */ 7469 { 0x0b20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200b, ThinkPad */ 7470 { 0 } 7471 }; 7472 7473 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7474 static struct isa_pnp_id forcepad_ids[] = { 7475 { 0x0d302e4f, "HP PS/2 forcepad port" }, /* SYN300D, EB 1040 */ 7476 { 0x14302e4f, "HP PS/2 forcepad port" }, /* SYN3014, EB 1040 */ 7477 { 0 } 7478 }; 7479 7480 static int 7481 create_a_copy(device_t atkbdc, device_t me) 7482 { 7483 device_t psm; 7484 u_long irq; 7485 7486 /* find the PS/2 mouse device instance under the keyboard controller */ 7487 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7488 device_get_unit(atkbdc)); 7489 if (psm == NULL) 7490 return (ENXIO); 7491 if (device_get_state(psm) != DS_NOTPRESENT) 7492 return (0); 7493 7494 /* move our resource to the found device */ 7495 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7496 bus_delete_resource(me, SYS_RES_IRQ, 0); 7497 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7498 7499 /* ...then probe and attach it */ 7500 return (device_probe_and_attach(psm)); 7501 } 7502 7503 static int 7504 psmcpnp_probe(device_t dev) 7505 { 7506 struct psmcpnp_softc *sc = device_get_softc(dev); 7507 struct resource *res; 7508 u_long irq; 7509 int rid; 7510 7511 if (ISA_PNP_PROBE(device_get_parent(dev), dev, forcepad_ids) == 0) 7512 sc->type = PSMCPNP_FORCEPAD; 7513 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, topbtpad_ids) == 0) 7514 sc->type = PSMCPNP_TOPBUTTONPAD; 7515 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids) == 0) 7516 sc->type = PSMCPNP_GENERIC; 7517 else 7518 return (ENXIO); 7519 7520 /* 7521 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7522 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7523 * declares the PS/2 mouse device node without an IRQ resource! 7524 * If this happens, we shall refer to device hints. 7525 * If we still don't find it there, use a hardcoded value... XXX 7526 */ 7527 rid = 0; 7528 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7529 if (irq <= 0) { 7530 if (resource_long_value(PSM_DRIVER_NAME, 7531 device_get_unit(dev),"irq", &irq) != 0) 7532 irq = 12; /* XXX */ 7533 device_printf(dev, "irq resource info is missing; " 7534 "assuming irq %ld\n", irq); 7535 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7536 } 7537 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7538 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7539 7540 /* keep quiet */ 7541 if (!bootverbose) 7542 device_quiet(dev); 7543 7544 return ((res == NULL) ? ENXIO : 0); 7545 } 7546 7547 static int 7548 psmcpnp_attach(device_t dev) 7549 { 7550 device_t atkbdc; 7551 7552 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7553 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7554 device_get_unit(dev)); 7555 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7556 create_a_copy(atkbdc, dev); 7557 7558 return (0); 7559 } 7560 7561 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7562 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7563 ISA_PNP_INFO(psmcpnp_ids); 7564 #endif /* DEV_ISA */ 7565