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FreeBSD/Linux Kernel Cross Reference
sys/dev/atkbdc/psm.c
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1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD$"); 63 64 #include "opt_isa.h" 65 #include "opt_psm.h" 66 #include "opt_evdev.h" 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/kernel.h> 71 #include <sys/module.h> 72 #include <sys/bus.h> 73 #include <sys/conf.h> 74 #include <sys/filio.h> 75 #include <sys/mutex.h> 76 #include <sys/poll.h> 77 #include <sys/sigio.h> 78 #include <sys/signalvar.h> 79 #include <sys/syslog.h> 80 #include <machine/bus.h> 81 #include <sys/rman.h> 82 #include <sys/selinfo.h> 83 #include <sys/sysctl.h> 84 #include <sys/time.h> 85 #include <sys/uio.h> 86 87 #include <sys/limits.h> 88 #include <sys/mouse.h> 89 #include <machine/resource.h> 90 91 #ifdef DEV_ISA 92 #include <isa/isavar.h> 93 #endif 94 95 #ifdef EVDEV_SUPPORT 96 #include <dev/evdev/evdev.h> 97 #include <dev/evdev/input.h> 98 #endif 99 100 #include <dev/atkbdc/atkbdcreg.h> 101 #include <dev/atkbdc/psm.h> 102 103 /* 104 * Driver specific options: the following options may be set by 105 * `options' statements in the kernel configuration file. 106 */ 107 108 /* debugging */ 109 #ifndef PSM_DEBUG 110 #define PSM_DEBUG 0 /* 111 * logging: 0: none, 1: brief, 2: verbose 112 * 3: sync errors, 4: all packets 113 */ 114 #endif 115 #define VLOG(level, args) do { \ 116 if (verbose >= level) \ 117 log args; \ 118 } while (0) 119 #define VDLOG(level, ...) do { \ 120 if (verbose >= level) \ 121 device_log(__VA_ARGS__); \ 122 } while (0) 123 124 #ifndef PSM_INPUT_TIMEOUT 125 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 126 #endif 127 128 #ifndef PSM_TAP_TIMEOUT 129 #define PSM_TAP_TIMEOUT 125000 130 #endif 131 132 #ifndef PSM_TAP_THRESHOLD 133 #define PSM_TAP_THRESHOLD 25 134 #endif 135 136 /* end of driver specific options */ 137 138 #define PSMCPNP_DRIVER_NAME "psmcpnp" 139 140 struct psmcpnp_softc { 141 enum { 142 PSMCPNP_GENERIC, 143 PSMCPNP_FORCEPAD, 144 PSMCPNP_TOPBUTTONPAD, 145 } type; /* Based on PnP ID */ 146 }; 147 148 /* input queue */ 149 #define PSM_BUFSIZE 960 150 #define PSM_SMALLBUFSIZE 240 151 152 /* operation levels */ 153 #define PSM_LEVEL_BASE 0 154 #define PSM_LEVEL_STANDARD 1 155 #define PSM_LEVEL_NATIVE 2 156 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 157 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 158 159 /* Active PS/2 multiplexing */ 160 #define PSM_NOMUX (-1) 161 162 /* Logitech PS2++ protocol */ 163 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 164 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 165 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 166 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 167 168 /* ring buffer */ 169 typedef struct ringbuf { 170 int count; /* # of valid elements in the buffer */ 171 int head; /* head pointer */ 172 int tail; /* tail poiner */ 173 u_char buf[PSM_BUFSIZE]; 174 } ringbuf_t; 175 176 /* data buffer */ 177 typedef struct packetbuf { 178 u_char ipacket[16]; /* interim input buffer */ 179 int inputbytes; /* # of bytes in the input buffer */ 180 } packetbuf_t; 181 182 #ifndef PSM_PACKETQUEUE 183 #define PSM_PACKETQUEUE 128 184 #endif 185 186 /* 187 * Synaptics command definitions. 188 */ 189 #define SYNAPTICS_READ_IDENTITY 0x00 190 #define SYNAPTICS_READ_MODES 0x01 191 #define SYNAPTICS_READ_CAPABILITIES 0x02 192 #define SYNAPTICS_READ_MODEL_ID 0x03 193 #define SYNAPTICS_READ_SERIAL_PREFIX 0x06 194 #define SYNAPTICS_READ_SERIAL_SUFFIX 0x07 195 #define SYNAPTICS_READ_RESOLUTIONS 0x08 196 #define SYNAPTICS_READ_EXTENDED 0x09 197 #define SYNAPTICS_READ_CAPABILITIES_CONT 0x0c 198 #define SYNAPTICS_READ_MAX_COORDS 0x0d 199 #define SYNAPTICS_READ_DELUXE_LED 0x0e 200 #define SYNAPTICS_READ_MIN_COORDS 0x0f 201 202 typedef struct synapticsinfo { 203 struct sysctl_ctx_list sysctl_ctx; 204 struct sysctl_oid *sysctl_tree; 205 int directional_scrolls; 206 int two_finger_scroll; 207 int min_pressure; 208 int max_pressure; 209 int max_width; 210 int margin_top; 211 int margin_right; 212 int margin_bottom; 213 int margin_left; 214 int na_top; 215 int na_right; 216 int na_bottom; 217 int na_left; 218 int window_min; 219 int window_max; 220 int multiplicator; 221 int weight_current; 222 int weight_previous; 223 int weight_previous_na; 224 int weight_len_squared; 225 int div_min; 226 int div_max; 227 int div_max_na; 228 int div_len; 229 int tap_max_delta; 230 int tap_min_queue; 231 int taphold_timeout; 232 int vscroll_ver_area; 233 int vscroll_hor_area; 234 int vscroll_min_delta; 235 int vscroll_div_min; 236 int vscroll_div_max; 237 int touchpad_off; 238 int softbuttons_y; 239 int softbutton2_x; 240 int softbutton3_x; 241 int max_x; 242 int max_y; 243 int three_finger_drag; 244 int natural_scroll; 245 } synapticsinfo_t; 246 247 typedef struct synapticspacket { 248 int x; 249 int y; 250 } synapticspacket_t; 251 252 #define SYNAPTICS_PACKETQUEUE 10 253 #define SYNAPTICS_QUEUE_CURSOR(x) \ 254 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 255 256 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 257 ((synhw).infoMajor > (major) || \ 258 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 259 260 typedef struct smoother { 261 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 262 int queue_len; 263 int queue_cursor; 264 int start_x; 265 int start_y; 266 int avg_dx; 267 int avg_dy; 268 int squelch_x; 269 int squelch_y; 270 int is_fuzzy; 271 int active; 272 } smoother_t; 273 274 typedef struct gesture { 275 int window_min; 276 int fingers_nb; 277 int tap_button; 278 int in_taphold; 279 int in_vscroll; 280 int zmax; /* maximum pressure value */ 281 struct timeval taptimeout; /* tap timeout for touchpads */ 282 } gesture_t; 283 284 enum { 285 TRACKPOINT_SYSCTL_SENSITIVITY, 286 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 287 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 288 TRACKPOINT_SYSCTL_BACKUP_RANGE, 289 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 290 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 291 TRACKPOINT_SYSCTL_UP_THRESHOLD, 292 TRACKPOINT_SYSCTL_THRESHOLD, 293 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 294 TRACKPOINT_SYSCTL_Z_TIME, 295 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 296 TRACKPOINT_SYSCTL_SKIP_BACKUPS 297 }; 298 299 typedef struct trackpointinfo { 300 struct sysctl_ctx_list sysctl_ctx; 301 struct sysctl_oid *sysctl_tree; 302 int sensitivity; 303 int inertia; 304 int uplateau; 305 int reach; 306 int draghys; 307 int mindrag; 308 int upthresh; 309 int threshold; 310 int jenks; 311 int ztime; 312 int pts; 313 int skipback; 314 } trackpointinfo_t; 315 316 typedef struct finger { 317 int x; 318 int y; 319 int p; 320 int w; 321 int flags; 322 } finger_t; 323 #define PSM_FINGERS 2 /* # of processed fingers */ 324 #define PSM_FINGER_IS_PEN (1<<0) 325 #define PSM_FINGER_FUZZY (1<<1) 326 #define PSM_FINGER_DEFAULT_P tap_threshold 327 #define PSM_FINGER_DEFAULT_W 1 328 #define PSM_FINGER_IS_SET(f) ((f).x != -1 && (f).y != -1 && (f).p != 0) 329 #define PSM_FINGER_RESET(f) do { \ 330 (f) = (finger_t) { .x = -1, .y = -1, .p = 0, .w = 0, .flags = 0 }; \ 331 } while (0) 332 333 typedef struct elantechhw { 334 int hwversion; 335 int fwversion; 336 int sizex; 337 int sizey; 338 int dpmmx; 339 int dpmmy; 340 int ntracesx; 341 int ntracesy; 342 int dptracex; 343 int dptracey; 344 int issemimt; 345 int isclickpad; 346 int hascrc; 347 int hastrackpoint; 348 int haspressure; 349 } elantechhw_t; 350 351 /* minimum versions supported by this driver */ 352 #define ELANTECH_HW_IS_V1(fwver) ((fwver) < 0x020030 || (fwver) == 0x020600) 353 354 #define ELANTECH_MAGIC(magic) \ 355 ((magic)[0] == 0x3c && (magic)[1] == 0x03 && \ 356 ((magic)[2] == 0xc8 || (magic)[2] == 0x00)) 357 358 #define ELANTECH_FW_ID 0x00 359 #define ELANTECH_FW_VERSION 0x01 360 #define ELANTECH_CAPABILITIES 0x02 361 #define ELANTECH_SAMPLE 0x03 362 #define ELANTECH_RESOLUTION 0x04 363 #define ELANTECH_REG_READ 0x10 364 #define ELANTECH_REG_WRITE 0x11 365 #define ELANTECH_REG_RDWR 0x00 366 #define ELANTECH_CUSTOM_CMD 0xf8 367 368 #ifdef EVDEV_SUPPORT 369 #define ELANTECH_MAX_FINGERS 5 370 #else 371 #define ELANTECH_MAX_FINGERS PSM_FINGERS 372 #endif 373 374 #define ELANTECH_FINGER_MAX_P 255 375 #define ELANTECH_FINGER_MAX_W 15 376 #define ELANTECH_FINGER_SET_XYP(pb) (finger_t) { \ 377 .x = (((pb)->ipacket[1] & 0x0f) << 8) | (pb)->ipacket[2], \ 378 .y = (((pb)->ipacket[4] & 0x0f) << 8) | (pb)->ipacket[5], \ 379 .p = ((pb)->ipacket[1] & 0xf0) | (((pb)->ipacket[4] >> 4) & 0x0f), \ 380 .w = PSM_FINGER_DEFAULT_W, \ 381 .flags = 0 \ 382 } 383 384 enum { 385 ELANTECH_PKT_NOP, 386 ELANTECH_PKT_TRACKPOINT, 387 ELANTECH_PKT_V2_COMMON, 388 ELANTECH_PKT_V2_2FINGER, 389 ELANTECH_PKT_V3, 390 ELANTECH_PKT_V4_STATUS, 391 ELANTECH_PKT_V4_HEAD, 392 ELANTECH_PKT_V4_MOTION 393 }; 394 395 #define ELANTECH_PKT_IS_TRACKPOINT(pb) (((pb)->ipacket[3] & 0x0f) == 0x06) 396 #define ELANTECH_PKT_IS_DEBOUNCE(pb, hwversion) ((hwversion) == 4 ? 0 : \ 397 (pb)->ipacket[0] == ((hwversion) == 2 ? 0x84 : 0xc4) && \ 398 (pb)->ipacket[1] == 0xff && (pb)->ipacket[2] == 0xff && \ 399 (pb)->ipacket[3] == 0x02 && (pb)->ipacket[4] == 0xff && \ 400 (pb)->ipacket[5] == 0xff) 401 #define ELANTECH_PKT_IS_V2(pb) \ 402 (((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x0f) == 0x02) 403 #define ELANTECH_PKT_IS_V3_HEAD(pb, hascrc) ((hascrc) ? \ 404 ((pb)->ipacket[3] & 0x09) == 0x08 : \ 405 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0xcf) == 0x02) 406 #define ELANTECH_PKT_IS_V3_TAIL(pb, hascrc) ((hascrc) ? \ 407 ((pb)->ipacket[3] & 0x09) == 0x09 : \ 408 ((pb)->ipacket[0] & 0x0c) == 0x0c && ((pb)->ipacket[3] & 0xce) == 0x0c) 409 #define ELANTECH_PKT_IS_V4(pb, hascrc) ((hascrc) ? \ 410 ((pb)->ipacket[3] & 0x08) == 0x00 : \ 411 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x1c) == 0x10) 412 413 typedef struct elantechaction { 414 finger_t fingers[ELANTECH_MAX_FINGERS]; 415 int mask; 416 int mask_v4wait; 417 } elantechaction_t; 418 419 /* driver control block */ 420 struct psm_softc { /* Driver status information */ 421 device_t dev; 422 struct selinfo rsel; /* Process selecting for Input */ 423 u_char state; /* Mouse driver state */ 424 int config; /* driver configuration flags */ 425 int flags; /* other flags */ 426 KBDC kbdc; /* handle to access kbd controller */ 427 struct resource *intr; /* IRQ resource */ 428 void *ih; /* interrupt handle */ 429 mousehw_t hw; /* hardware information */ 430 synapticshw_t synhw; /* Synaptics hardware information */ 431 synapticsinfo_t syninfo; /* Synaptics configuration */ 432 smoother_t smoother[PSM_FINGERS]; /* Motion smoothing */ 433 gesture_t gesture; /* Gesture context */ 434 elantechhw_t elanhw; /* Elantech hardware information */ 435 elantechaction_t elanaction; /* Elantech action context */ 436 int tphw; /* TrackPoint hardware information */ 437 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 438 mousemode_t mode; /* operation mode */ 439 mousemode_t dflt_mode; /* default operation mode */ 440 mousestatus_t status; /* accumulated mouse movement */ 441 ringbuf_t queue; /* mouse status queue */ 442 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 443 int pqueue_start; /* start of data in queue */ 444 int pqueue_end; /* end of data in queue */ 445 int button; /* the latest button state */ 446 int xold; /* previous absolute X position */ 447 int yold; /* previous absolute Y position */ 448 int xaverage; /* average X position */ 449 int yaverage; /* average Y position */ 450 int squelch; /* level to filter movement at low speed */ 451 int syncerrors; /* # of bytes discarded to synchronize */ 452 int pkterrors; /* # of packets failed during quaranteen. */ 453 int fpcount; /* forcePad valid packet counter */ 454 struct timeval inputtimeout; 455 struct timeval lastsoftintr; /* time of last soft interrupt */ 456 struct timeval lastinputerr; /* time last sync error happened */ 457 struct timeval idletimeout; 458 packetbuf_t idlepacket; /* packet to send after idle timeout */ 459 int watchdog; /* watchdog timer flag */ 460 struct callout callout; /* watchdog timer call out */ 461 struct callout softcallout; /* buffer timer call out */ 462 struct cdev *cdev; 463 struct cdev *bdev; 464 int lasterr; 465 int cmdcount; 466 struct sigio *async; /* Processes waiting for SIGIO */ 467 int extended_buttons; 468 int muxport; /* MUX port with attached Synaptics */ 469 u_char muxsave[3]; /* 3->6 byte proto conversion buffer */ 470 int muxtpbuttons; /* Touchpad button state */ 471 int muxmsbuttons; /* Mouse (trackpoint) button state */ 472 struct timeval muxmidtimeout; /* middle button supression timeout */ 473 int muxsinglesyna; /* Probe result of single Synaptics */ 474 #ifdef EVDEV_SUPPORT 475 struct evdev_dev *evdev_a; /* Absolute reporting device */ 476 struct evdev_dev *evdev_r; /* Relative reporting device */ 477 #endif 478 }; 479 480 /* driver state flags (state) */ 481 #define PSM_VALID 0x80 482 #define PSM_OPEN 1 /* Device is open */ 483 #define PSM_ASLP 2 /* Waiting for mouse data */ 484 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 485 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 486 #define PSM_EV_OPEN_R 0x10 /* Relative evdev device is open */ 487 #define PSM_EV_OPEN_A 0x20 /* Absolute evdev device is open */ 488 489 /* driver configuration flags (config) */ 490 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 491 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 492 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 493 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 494 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 495 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 496 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 497 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 498 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 499 500 #define PSM_CONFIG_FLAGS \ 501 (PSM_CONFIG_RESOLUTION | \ 502 PSM_CONFIG_ACCEL | \ 503 PSM_CONFIG_NOCHECKSYNC | \ 504 PSM_CONFIG_NOIDPROBE | \ 505 PSM_CONFIG_NORESET | \ 506 PSM_CONFIG_FORCETAP | \ 507 PSM_CONFIG_IGNPORTERROR | \ 508 PSM_CONFIG_HOOKRESUME | \ 509 PSM_CONFIG_INITAFTERSUSPEND) 510 511 /* other flags (flags) */ 512 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 513 514 #define kbdcp(p) ((atkbdc_softc_t *)(p)) 515 #define ALWAYS_RESTORE_CONTROLLER(kbdc) !(kbdcp(kbdc)->quirks \ 516 & KBDC_QUIRK_KEEP_ACTIVATED) 517 518 /* Tunables */ 519 static int tap_enabled = -1; 520 static int verbose = PSM_DEBUG; 521 static int synaptics_support = 1; 522 static int trackpoint_support = 1; 523 static int elantech_support = 1; 524 static int mux_disabled = -1; 525 526 /* for backward compatibility */ 527 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 528 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 529 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 530 531 typedef struct old_mousehw { 532 int buttons; 533 int iftype; 534 int type; 535 int hwid; 536 } old_mousehw_t; 537 538 typedef struct old_mousemode { 539 int protocol; 540 int rate; 541 int resolution; 542 int accelfactor; 543 } old_mousemode_t; 544 545 #define SYN_OFFSET(field) offsetof(struct psm_softc, syninfo.field) 546 enum { 547 SYNAPTICS_SYSCTL_MIN_PRESSURE = SYN_OFFSET(min_pressure), 548 SYNAPTICS_SYSCTL_MAX_PRESSURE = SYN_OFFSET(max_pressure), 549 SYNAPTICS_SYSCTL_MAX_WIDTH = SYN_OFFSET(max_width), 550 SYNAPTICS_SYSCTL_MARGIN_TOP = SYN_OFFSET(margin_top), 551 SYNAPTICS_SYSCTL_MARGIN_RIGHT = SYN_OFFSET(margin_right), 552 SYNAPTICS_SYSCTL_MARGIN_BOTTOM = SYN_OFFSET(margin_bottom), 553 SYNAPTICS_SYSCTL_MARGIN_LEFT = SYN_OFFSET(margin_left), 554 SYNAPTICS_SYSCTL_NA_TOP = SYN_OFFSET(na_top), 555 SYNAPTICS_SYSCTL_NA_RIGHT = SYN_OFFSET(na_right), 556 SYNAPTICS_SYSCTL_NA_BOTTOM = SYN_OFFSET(na_bottom), 557 SYNAPTICS_SYSCTL_NA_LEFT = SYN_OFFSET(na_left), 558 SYNAPTICS_SYSCTL_WINDOW_MIN = SYN_OFFSET(window_min), 559 SYNAPTICS_SYSCTL_WINDOW_MAX = SYN_OFFSET(window_max), 560 SYNAPTICS_SYSCTL_MULTIPLICATOR = SYN_OFFSET(multiplicator), 561 SYNAPTICS_SYSCTL_WEIGHT_CURRENT = SYN_OFFSET(weight_current), 562 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS = SYN_OFFSET(weight_previous), 563 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA = SYN_OFFSET(weight_previous_na), 564 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED = SYN_OFFSET(weight_len_squared), 565 SYNAPTICS_SYSCTL_DIV_MIN = SYN_OFFSET(div_min), 566 SYNAPTICS_SYSCTL_DIV_MAX = SYN_OFFSET(div_max), 567 SYNAPTICS_SYSCTL_DIV_MAX_NA = SYN_OFFSET(div_max_na), 568 SYNAPTICS_SYSCTL_DIV_LEN = SYN_OFFSET(div_len), 569 SYNAPTICS_SYSCTL_TAP_MAX_DELTA = SYN_OFFSET(tap_max_delta), 570 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE = SYN_OFFSET(tap_min_queue), 571 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT = SYN_OFFSET(taphold_timeout), 572 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA = SYN_OFFSET(vscroll_hor_area), 573 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA = SYN_OFFSET(vscroll_ver_area), 574 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA = SYN_OFFSET(vscroll_min_delta), 575 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN = SYN_OFFSET(vscroll_div_min), 576 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX = SYN_OFFSET(vscroll_div_max), 577 SYNAPTICS_SYSCTL_TOUCHPAD_OFF = SYN_OFFSET(touchpad_off), 578 SYNAPTICS_SYSCTL_SOFTBUTTONS_Y = SYN_OFFSET(softbuttons_y), 579 SYNAPTICS_SYSCTL_SOFTBUTTON2_X = SYN_OFFSET(softbutton2_x), 580 SYNAPTICS_SYSCTL_SOFTBUTTON3_X = SYN_OFFSET(softbutton3_x), 581 SYNAPTICS_SYSCTL_THREE_FINGER_DRAG = SYN_OFFSET(three_finger_drag), 582 SYNAPTICS_SYSCTL_NATURAL_SCROLL = SYN_OFFSET(natural_scroll), 583 #define SYNAPTICS_SYSCTL_LAST SYNAPTICS_SYSCTL_NATURAL_SCROLL 584 }; 585 586 /* packet formatting function */ 587 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 588 mousestatus_t *); 589 590 /* function prototypes */ 591 static void psmidentify(driver_t *, device_t); 592 static int psmprobe(device_t); 593 static int psmattach(device_t); 594 static int psmdetach(device_t); 595 static int psmresume(device_t); 596 597 static d_open_t psm_cdev_open; 598 static d_close_t psm_cdev_close; 599 static d_read_t psmread; 600 static d_write_t psmwrite; 601 static d_ioctl_t psmioctl; 602 static d_poll_t psmpoll; 603 604 static int psmopen(struct psm_softc *); 605 static int psmclose(struct psm_softc *); 606 607 #ifdef EVDEV_SUPPORT 608 static evdev_open_t psm_ev_open_r; 609 static evdev_close_t psm_ev_close_r; 610 static evdev_open_t psm_ev_open_a; 611 static evdev_close_t psm_ev_close_a; 612 #endif 613 614 static int enable_aux_dev(KBDC); 615 static int disable_aux_dev(KBDC); 616 static int get_mouse_status(KBDC, int *, int, int); 617 static int get_aux_id(KBDC); 618 static int set_mouse_sampling_rate(KBDC, int); 619 static int set_mouse_scaling(KBDC, int); 620 static int set_mouse_resolution(KBDC, int); 621 static int set_mouse_mode(KBDC); 622 static int get_mouse_buttons(KBDC); 623 static int is_a_mouse(int); 624 static void recover_from_error(KBDC); 625 static int restore_controller(KBDC, int); 626 static int doinitialize(struct psm_softc *, mousemode_t *); 627 static int doopen(struct psm_softc *, int); 628 static int reinitialize(struct psm_softc *, int); 629 static char *model_name(int); 630 static void psmsoftintr(void *); 631 static void psmsoftintridle(void *); 632 static void psmintr(void *); 633 static void psmtimeout(void *); 634 static int timeelapsed(const struct timeval *, int, int, 635 const struct timeval *); 636 static void dropqueue(struct psm_softc *); 637 static void flushpackets(struct psm_softc *); 638 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 639 mousestatus_t *, int *, int *, int *); 640 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 641 mousestatus_t *, int *, int *, int *); 642 static int proc_synaptics_mux(struct psm_softc *, packetbuf_t *); 643 static void proc_versapad(struct psm_softc *, packetbuf_t *, 644 mousestatus_t *, int *, int *, int *); 645 static int proc_elantech(struct psm_softc *, packetbuf_t *, 646 mousestatus_t *, int *, int *, int *); 647 static int psmpalmdetect(struct psm_softc *, finger_t *, int); 648 static void psmgestures(struct psm_softc *, finger_t *, int, 649 mousestatus_t *); 650 static void psmsmoother(struct psm_softc *, finger_t *, int, 651 mousestatus_t *, int *, int *); 652 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 653 u_char *); 654 655 /* vendor specific features */ 656 enum probearg { PROBE, REINIT }; 657 typedef int probefunc_t(struct psm_softc *, enum probearg); 658 659 static int mouse_id_proc1(KBDC, int, int, int *); 660 static int mouse_ext_command(KBDC, int); 661 662 static probefunc_t enable_groller; 663 static probefunc_t enable_gmouse; 664 static probefunc_t enable_aglide; 665 static probefunc_t enable_kmouse; 666 static probefunc_t enable_msexplorer; 667 static probefunc_t enable_msintelli; 668 static probefunc_t enable_4dmouse; 669 static probefunc_t enable_4dplus; 670 static probefunc_t enable_mmanplus; 671 static probefunc_t enable_synaptics; 672 static probefunc_t enable_synaptics_mux; 673 static probefunc_t enable_single_synaptics_mux; 674 static probefunc_t enable_trackpoint; 675 static probefunc_t enable_versapad; 676 static probefunc_t enable_elantech; 677 678 static void set_trackpoint_parameters(struct psm_softc *sc); 679 static void synaptics_passthrough_on(struct psm_softc *sc); 680 static void synaptics_passthrough_off(struct psm_softc *sc); 681 static int synaptics_preferred_mode(struct psm_softc *sc); 682 static void synaptics_set_mode(struct psm_softc *sc, int mode_byte); 683 684 static struct { 685 int model; 686 u_char syncmask; 687 int packetsize; 688 probefunc_t *probefunc; 689 } vendortype[] = { 690 /* 691 * WARNING: the order of probe is very important. Don't mess it 692 * unless you know what you are doing. 693 */ 694 { MOUSE_MODEL_SYNAPTICS, /* Synaptics + mouse on Active Mux */ 695 0x00, MOUSE_PS2_PACKETSIZE, enable_synaptics_mux }, 696 { MOUSE_MODEL_SYNAPTICS, /* Single Synaptics on Active Mux */ 697 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_single_synaptics_mux }, 698 { MOUSE_MODEL_NET, /* Genius NetMouse */ 699 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 700 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 701 0xc8, 6, enable_groller }, 702 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 703 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 704 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 705 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 706 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 707 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 708 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 709 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 710 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 711 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 712 { MOUSE_MODEL_ELANTECH, /* Elantech Touchpad */ 713 0x04, MOUSE_ELANTECH_PACKETSIZE, enable_elantech }, 714 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 715 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 716 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 717 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 718 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 719 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 720 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 721 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 722 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 723 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 724 { MOUSE_MODEL_GENERIC, 725 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 726 }; 727 #define GENERIC_MOUSE_ENTRY (nitems(vendortype) - 1) 728 729 /* device driver declarateion */ 730 static device_method_t psm_methods[] = { 731 /* Device interface */ 732 DEVMETHOD(device_identify, psmidentify), 733 DEVMETHOD(device_probe, psmprobe), 734 DEVMETHOD(device_attach, psmattach), 735 DEVMETHOD(device_detach, psmdetach), 736 DEVMETHOD(device_resume, psmresume), 737 { 0, 0 } 738 }; 739 740 static driver_t psm_driver = { 741 PSM_DRIVER_NAME, 742 psm_methods, 743 sizeof(struct psm_softc), 744 }; 745 746 static struct cdevsw psm_cdevsw = { 747 .d_version = D_VERSION, 748 .d_flags = D_NEEDGIANT, 749 .d_open = psm_cdev_open, 750 .d_close = psm_cdev_close, 751 .d_read = psmread, 752 .d_write = psmwrite, 753 .d_ioctl = psmioctl, 754 .d_poll = psmpoll, 755 .d_name = PSM_DRIVER_NAME, 756 }; 757 758 #ifdef EVDEV_SUPPORT 759 static const struct evdev_methods psm_ev_methods_r = { 760 .ev_open = psm_ev_open_r, 761 .ev_close = psm_ev_close_r, 762 }; 763 static const struct evdev_methods psm_ev_methods_a = { 764 .ev_open = psm_ev_open_a, 765 .ev_close = psm_ev_close_a, 766 }; 767 #endif 768 769 /* device I/O routines */ 770 static int 771 enable_aux_dev(KBDC kbdc) 772 { 773 int res; 774 775 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 776 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 777 778 return (res == PSM_ACK); 779 } 780 781 static int 782 disable_aux_dev(KBDC kbdc) 783 { 784 int res; 785 786 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 787 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 788 789 return (res == PSM_ACK); 790 } 791 792 static int 793 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 794 { 795 int cmd; 796 int res; 797 int i; 798 799 switch (flag) { 800 case 0: 801 default: 802 cmd = PSMC_SEND_DEV_STATUS; 803 break; 804 case 1: 805 cmd = PSMC_SEND_DEV_DATA; 806 break; 807 } 808 empty_aux_buffer(kbdc, 5); 809 res = send_aux_command(kbdc, cmd); 810 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 811 (flag == 1) ? "DATA" : "STATUS", res)); 812 if (res != PSM_ACK) 813 return (0); 814 815 for (i = 0; i < len; ++i) { 816 status[i] = read_aux_data(kbdc); 817 if (status[i] < 0) 818 break; 819 } 820 if (len >= 3) { 821 for (; i < 3; ++i) 822 status[i] = 0; 823 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 824 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 825 } 826 827 return (i); 828 } 829 830 static int 831 get_aux_id(KBDC kbdc) 832 { 833 int res; 834 int id; 835 836 empty_aux_buffer(kbdc, 5); 837 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 838 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 839 if (res != PSM_ACK) 840 return (-1); 841 842 /* 10ms delay */ 843 DELAY(10000); 844 845 id = read_aux_data(kbdc); 846 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 847 848 return (id); 849 } 850 851 static int 852 set_mouse_sampling_rate(KBDC kbdc, int rate) 853 { 854 int res; 855 856 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 857 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 858 859 return ((res == PSM_ACK) ? rate : -1); 860 } 861 862 static int 863 set_mouse_scaling(KBDC kbdc, int scale) 864 { 865 int res; 866 867 switch (scale) { 868 case 1: 869 default: 870 scale = PSMC_SET_SCALING11; 871 break; 872 case 2: 873 scale = PSMC_SET_SCALING21; 874 break; 875 } 876 res = send_aux_command(kbdc, scale); 877 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 878 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 879 880 return (res == PSM_ACK); 881 } 882 883 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 884 static int 885 set_mouse_resolution(KBDC kbdc, int val) 886 { 887 int res; 888 889 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 890 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 891 892 return ((res == PSM_ACK) ? val : -1); 893 } 894 895 /* 896 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 897 * re-enabled by calling `enable_aux_dev()' 898 */ 899 static int 900 set_mouse_mode(KBDC kbdc) 901 { 902 int res; 903 904 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 905 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 906 907 return (res == PSM_ACK); 908 } 909 910 static int 911 get_mouse_buttons(KBDC kbdc) 912 { 913 int c = 2; /* assume two buttons by default */ 914 int status[3]; 915 916 /* 917 * NOTE: a special sequence to obtain Logitech Mouse specific 918 * information: set resolution to 25 ppi, set scaling to 1:1, set 919 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 920 * mouse status bytes is the number of available buttons. 921 * Some manufactures also support this sequence. 922 */ 923 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 924 return (c); 925 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 926 set_mouse_scaling(kbdc, 1) && 927 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 928 return (status[1]); 929 return (c); 930 } 931 932 /* misc subroutines */ 933 /* 934 * Someday, I will get the complete list of valid pointing devices and 935 * their IDs... XXX 936 */ 937 static int 938 is_a_mouse(int id) 939 { 940 #if 0 941 static int valid_ids[] = { 942 PSM_MOUSE_ID, /* mouse */ 943 PSM_BALLPOINT_ID, /* ballpoint device */ 944 PSM_INTELLI_ID, /* Intellimouse */ 945 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 946 -1 /* end of table */ 947 }; 948 int i; 949 950 for (i = 0; valid_ids[i] >= 0; ++i) 951 if (valid_ids[i] == id) 952 return (TRUE); 953 return (FALSE); 954 #else 955 return (TRUE); 956 #endif 957 } 958 959 static char * 960 model_name(int model) 961 { 962 static struct { 963 int model_code; 964 char *model_name; 965 } models[] = { 966 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 967 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 968 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 969 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 970 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 971 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 972 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 973 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 974 { MOUSE_MODEL_4D, "4D Mouse" }, 975 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 976 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 977 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 978 { MOUSE_MODEL_ELANTECH, "Elantech Touchpad" }, 979 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 980 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 981 }; 982 int i; 983 984 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 985 if (models[i].model_code == model) 986 break; 987 return (models[i].model_name); 988 } 989 990 static void 991 recover_from_error(KBDC kbdc) 992 { 993 /* discard anything left in the output buffer */ 994 empty_both_buffers(kbdc, 10); 995 996 #if 0 997 /* 998 * NOTE: KBDC_RESET_KBD may not restore the communication between the 999 * keyboard and the controller. 1000 */ 1001 reset_kbd(kbdc); 1002 #else 1003 /* 1004 * NOTE: somehow diagnostic and keyboard port test commands bring the 1005 * keyboard back. 1006 */ 1007 if (!test_controller(kbdc)) 1008 log(LOG_ERR, "psm: keyboard controller failed.\n"); 1009 /* if there isn't a keyboard in the system, the following error is OK */ 1010 if (test_kbd_port(kbdc) != 0) 1011 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 1012 #endif 1013 } 1014 1015 static int 1016 restore_controller(KBDC kbdc, int command_byte) 1017 { 1018 empty_both_buffers(kbdc, 10); 1019 1020 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 1021 log(LOG_ERR, "psm: failed to restore the keyboard controller " 1022 "command byte.\n"); 1023 empty_both_buffers(kbdc, 10); 1024 return (FALSE); 1025 } else { 1026 empty_both_buffers(kbdc, 10); 1027 return (TRUE); 1028 } 1029 } 1030 1031 /* 1032 * Re-initialize the aux port and device. The aux port must be enabled 1033 * and its interrupt must be disabled before calling this routine. 1034 * The aux device will be disabled before returning. 1035 * The keyboard controller must be locked via `kbdc_lock()' before 1036 * calling this routine. 1037 */ 1038 static int 1039 doinitialize(struct psm_softc *sc, mousemode_t *mode) 1040 { 1041 KBDC kbdc = sc->kbdc; 1042 int stat[3]; 1043 int i; 1044 1045 switch((i = test_aux_port(kbdc))) { 1046 case 1: /* ignore these errors */ 1047 case 2: 1048 case 3: 1049 case PSM_ACK: 1050 if (verbose) 1051 device_log(sc->dev, LOG_DEBUG, 1052 "strange result for test aux port (%d).\n", i); 1053 /* FALLTHROUGH */ 1054 case 0: /* no error */ 1055 break; 1056 case -1: /* time out */ 1057 default: /* error */ 1058 recover_from_error(kbdc); 1059 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1060 break; 1061 device_log(sc->dev, LOG_ERR, 1062 "the aux port is not functioning (%d).\n", i); 1063 return (FALSE); 1064 } 1065 1066 if (sc->config & PSM_CONFIG_NORESET) { 1067 /* 1068 * Don't try to reset the pointing device. It may possibly 1069 * be left in the unknown state, though... 1070 */ 1071 } else { 1072 /* 1073 * NOTE: some controllers appears to hang the `keyboard' when 1074 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1075 */ 1076 if (!reset_aux_dev(kbdc)) { 1077 recover_from_error(kbdc); 1078 device_log(sc->dev, LOG_ERR, 1079 "failed to reset the aux device.\n"); 1080 return (FALSE); 1081 } 1082 } 1083 1084 /* 1085 * both the aux port and the aux device is functioning, see 1086 * if the device can be enabled. 1087 */ 1088 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 1089 device_log(sc->dev, LOG_ERR, 1090 "failed to enable the aux device.\n"); 1091 return (FALSE); 1092 } 1093 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 1094 1095 /* Re-enable the mouse. */ 1096 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1097 if (vendortype[i].model == sc->hw.model) 1098 (*vendortype[i].probefunc)(sc, REINIT); 1099 1100 /* set mouse parameters */ 1101 if (mode != (mousemode_t *)NULL) { 1102 if (mode->rate > 0) 1103 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 1104 if (mode->resolution >= 0) 1105 mode->resolution = 1106 set_mouse_resolution(kbdc, mode->resolution); 1107 set_mouse_scaling(kbdc, 1); 1108 set_mouse_mode(kbdc); 1109 } 1110 1111 /* Record sync on the next data packet we see. */ 1112 sc->flags |= PSM_NEED_SYNCBITS; 1113 1114 /* just check the status of the mouse */ 1115 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 1116 device_log(sc->dev, LOG_DEBUG, 1117 "failed to get status (doinitialize).\n"); 1118 1119 return (TRUE); 1120 } 1121 1122 static int 1123 doopen(struct psm_softc *sc, int command_byte) 1124 { 1125 int stat[3]; 1126 int mux_enabled = FALSE; 1127 1128 /* 1129 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 1130 * no obvious reason. Thus we check the current mode and restore the 1131 * Absolute Mode if it was cleared. 1132 * 1133 * The previous hack at the end of psmprobe() wasn't efficient when 1134 * moused(8) was restarted. 1135 * 1136 * A Reset (FF) or Set Defaults (F6) command would clear the 1137 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 1138 * doesn't show any evidence of such a command. 1139 */ 1140 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 1141 if (sc->muxport != PSM_NOMUX) { 1142 mux_enabled = enable_aux_mux(sc->kbdc) >= 0; 1143 if (mux_enabled) 1144 set_active_aux_mux_port(sc->kbdc, sc->muxport); 1145 else 1146 device_log(sc->dev, LOG_ERR, "failed to enable " 1147 "active multiplexing mode.\n"); 1148 } 1149 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODES); 1150 get_mouse_status(sc->kbdc, stat, 0, 3); 1151 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 1152 stat[1] == 0x47) && 1153 stat[2] == 0x40) { 1154 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1155 VDLOG(5, sc->dev, LOG_DEBUG, "Synaptis Absolute Mode " 1156 "hopefully restored\n"); 1157 } 1158 if (mux_enabled) 1159 disable_aux_mux(sc->kbdc); 1160 } 1161 1162 /* 1163 * A user may want to disable tap and drag gestures on a Synaptics 1164 * TouchPad when it operates in Relative Mode. 1165 */ 1166 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 1167 if (tap_enabled > 0) { 1168 VDLOG(2, sc->dev, LOG_DEBUG, 1169 "enable tap and drag gestures\n"); 1170 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1171 } else if (tap_enabled == 0) { 1172 VDLOG(2, sc->dev, LOG_DEBUG, 1173 "disable tap and drag gestures\n"); 1174 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1175 } 1176 } 1177 1178 /* enable the mouse device */ 1179 if (!enable_aux_dev(sc->kbdc)) { 1180 /* MOUSE ERROR: failed to enable the mouse because: 1181 * 1) the mouse is faulty, 1182 * 2) the mouse has been removed(!?) 1183 * In the latter case, the keyboard may have hung, and need 1184 * recovery procedure... 1185 */ 1186 recover_from_error(sc->kbdc); 1187 #if 0 1188 /* FIXME: we could reset the mouse here and try to enable 1189 * it again. But it will take long time and it's not a good 1190 * idea to disable the keyboard that long... 1191 */ 1192 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 1193 recover_from_error(sc->kbdc); 1194 #else 1195 { 1196 #endif 1197 restore_controller(sc->kbdc, command_byte); 1198 /* mark this device is no longer available */ 1199 sc->state &= ~PSM_VALID; 1200 device_log(sc->dev, LOG_ERR, 1201 "failed to enable the device (doopen).\n"); 1202 return (EIO); 1203 } 1204 } 1205 1206 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1207 device_log(sc->dev, LOG_DEBUG, 1208 "failed to get status (doopen).\n"); 1209 1210 /* enable the aux port and interrupt */ 1211 if (!set_controller_command_byte(sc->kbdc, 1212 kbdc_get_device_mask(sc->kbdc), 1213 (command_byte & KBD_KBD_CONTROL_BITS) | 1214 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1215 /* CONTROLLER ERROR */ 1216 disable_aux_dev(sc->kbdc); 1217 restore_controller(sc->kbdc, command_byte); 1218 device_log(sc->dev, LOG_ERR, 1219 "failed to enable the aux interrupt (doopen).\n"); 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 VDLOG(2, sc->dev, LOG_DEBUG, 1250 "current command byte: %04x (reinitialize).\n", c); 1251 1252 /* enable the aux port but disable the aux interrupt and the keyboard */ 1253 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1254 kbdc_get_device_mask(sc->kbdc), 1255 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1256 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1257 /* CONTROLLER ERROR */ 1258 splx(s); 1259 kbdc_lock(sc->kbdc, FALSE); 1260 device_log(sc->dev, LOG_ERR, 1261 "unable to set the command byte (reinitialize).\n"); 1262 return (EIO); 1263 } 1264 1265 /* flush any data */ 1266 if (sc->state & PSM_VALID) { 1267 /* this may fail; but never mind... */ 1268 disable_aux_dev(sc->kbdc); 1269 empty_aux_buffer(sc->kbdc, 10); 1270 } 1271 flushpackets(sc); 1272 sc->syncerrors = 0; 1273 sc->pkterrors = 0; 1274 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1275 1276 /* try to detect the aux device; are you still there? */ 1277 err = 0; 1278 if (doinit) { 1279 if (doinitialize(sc, &sc->mode)) { 1280 /* yes */ 1281 sc->state |= PSM_VALID; 1282 } else { 1283 /* the device has gone! */ 1284 restore_controller(sc->kbdc, c); 1285 sc->state &= ~PSM_VALID; 1286 device_log(sc->dev, LOG_ERR, 1287 "the aux device has gone! (reinitialize).\n"); 1288 err = ENXIO; 1289 } 1290 } 1291 splx(s); 1292 1293 /* restore the driver state */ 1294 if ((sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A)) && 1295 (err == 0)) { 1296 /* enable the aux device and the port again */ 1297 err = doopen(sc, c); 1298 if (err != 0) 1299 device_log(sc->dev, LOG_ERR, 1300 "failed to enable the device (reinitialize).\n"); 1301 } else { 1302 /* restore the keyboard port and disable the aux port */ 1303 if (!set_controller_command_byte(sc->kbdc, 1304 kbdc_get_device_mask(sc->kbdc), 1305 (c & KBD_KBD_CONTROL_BITS) | 1306 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1307 /* CONTROLLER ERROR */ 1308 device_log(sc->dev, LOG_ERR, 1309 "failed to disable the aux port (reinitialize).\n"); 1310 err = EIO; 1311 } 1312 } 1313 1314 kbdc_lock(sc->kbdc, FALSE); 1315 return (err); 1316 } 1317 1318 /* psm driver entry points */ 1319 1320 static void 1321 psmidentify(driver_t *driver, device_t parent) 1322 { 1323 device_t psmc; 1324 device_t psm; 1325 u_long irq; 1326 int unit; 1327 1328 unit = device_get_unit(parent); 1329 1330 /* always add at least one child */ 1331 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1332 if (psm == NULL) 1333 return; 1334 1335 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1336 if (irq > 0) 1337 return; 1338 1339 /* 1340 * If the PS/2 mouse device has already been reported by ACPI or 1341 * PnP BIOS, obtain the IRQ resource from it. 1342 * (See psmcpnp_attach() below.) 1343 */ 1344 psmc = device_find_child(device_get_parent(parent), 1345 PSMCPNP_DRIVER_NAME, unit); 1346 if (psmc == NULL) 1347 return; 1348 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1349 if (irq <= 0) 1350 return; 1351 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1352 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1353 } 1354 1355 #define endprobe(v) do { \ 1356 if (bootverbose) \ 1357 --verbose; \ 1358 kbdc_set_device_mask(sc->kbdc, mask); \ 1359 kbdc_lock(sc->kbdc, FALSE); \ 1360 return (v); \ 1361 } while (0) 1362 1363 static int 1364 psmprobe(device_t dev) 1365 { 1366 struct psm_softc *sc = device_get_softc(dev); 1367 int stat[3]; 1368 int command_byte; 1369 int mask; 1370 int rid; 1371 int i; 1372 1373 #if 0 1374 kbdc_debug(TRUE); 1375 #endif 1376 1377 /* see if IRQ is available */ 1378 rid = KBDC_RID_AUX; 1379 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1380 if (sc->intr == NULL) { 1381 if (bootverbose) 1382 device_printf(dev, "unable to allocate IRQ\n"); 1383 return (ENXIO); 1384 } 1385 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1386 1387 sc->dev = dev; 1388 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1389 if (sc->kbdc == NULL) 1390 return (ENXIO); 1391 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1392 /* XXX: for backward compatibility */ 1393 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1394 sc->config |= 1395 #ifdef PSM_RESETAFTERSUSPEND 1396 PSM_CONFIG_INITAFTERSUSPEND; 1397 #else 1398 PSM_CONFIG_HOOKRESUME; 1399 #endif 1400 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1401 sc->flags = 0; 1402 sc->muxport = PSM_NOMUX; 1403 if (bootverbose) 1404 ++verbose; 1405 1406 device_set_desc(dev, "PS/2 Mouse"); 1407 1408 if (!kbdc_lock(sc->kbdc, TRUE)) { 1409 device_printf(dev, "unable to lock the controller.\n"); 1410 if (bootverbose) 1411 --verbose; 1412 return (ENXIO); 1413 } 1414 1415 /* 1416 * NOTE: two bits in the command byte controls the operation of the 1417 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1418 * port interrupt (IRQ 12) enable bit (bit 2). 1419 */ 1420 1421 /* discard anything left after the keyboard initialization */ 1422 empty_both_buffers(sc->kbdc, 10); 1423 1424 /* save the current command byte; it will be used later */ 1425 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1426 command_byte = get_controller_command_byte(sc->kbdc); 1427 if (verbose) 1428 device_printf(dev, "current command byte:%04x\n", command_byte); 1429 if (command_byte == -1) { 1430 /* CONTROLLER ERROR */ 1431 device_printf(dev, 1432 "unable to get the current command byte value.\n"); 1433 endprobe(ENXIO); 1434 } 1435 1436 /* 1437 * disable the keyboard port while probing the aux port, which must be 1438 * enabled during this routine 1439 */ 1440 if (!set_controller_command_byte(sc->kbdc, 1441 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1442 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1443 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1444 /* 1445 * this is CONTROLLER ERROR; I don't know how to recover 1446 * from this error... 1447 */ 1448 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1449 restore_controller(sc->kbdc, command_byte); 1450 device_printf(dev, "unable to set the command byte.\n"); 1451 endprobe(ENXIO); 1452 } 1453 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1454 1455 /* 1456 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1457 * port exists and is functioning. However, some controllers appears 1458 * to respond with zero even when the aux port doesn't exist. (It may 1459 * be that this is only the case when the controller DOES have the aux 1460 * port but the port is not wired on the motherboard.) The keyboard 1461 * controllers without the port, such as the original AT, are 1462 * supposed to return with an error code or simply time out. In any 1463 * case, we have to continue probing the port even when the controller 1464 * passes this test. 1465 * 1466 * XXX: some controllers erroneously return the error code 1, 2 or 3 1467 * when it has a perfectly functional aux port. We have to ignore 1468 * this error code. Even if the controller HAS error with the aux 1469 * port, it will be detected later... 1470 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1471 */ 1472 switch ((i = test_aux_port(sc->kbdc))) { 1473 case 1: /* ignore these errors */ 1474 case 2: 1475 case 3: 1476 case PSM_ACK: 1477 if (verbose) 1478 device_printf(dev, "strange result for test aux port " 1479 "(%d).\n", i); 1480 /* FALLTHROUGH */ 1481 case 0: /* no error */ 1482 break; 1483 case -1: /* time out */ 1484 default: /* error */ 1485 recover_from_error(sc->kbdc); 1486 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1487 break; 1488 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1489 restore_controller(sc->kbdc, command_byte); 1490 if (verbose) 1491 device_printf(dev, 1492 "the aux port is not functioning (%d).\n", i); 1493 endprobe(ENXIO); 1494 } 1495 1496 if (sc->config & PSM_CONFIG_NORESET) { 1497 /* 1498 * Don't try to reset the pointing device. It may possibly be 1499 * left in an unknown state, though... 1500 */ 1501 } else { 1502 /* 1503 * NOTE: some controllers appears to hang the `keyboard' when 1504 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1505 * 1506 * Attempt to reset the controller twice -- this helps 1507 * pierce through some KVM switches. The second reset 1508 * is non-fatal. 1509 */ 1510 if (!reset_aux_dev(sc->kbdc)) { 1511 recover_from_error(sc->kbdc); 1512 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1513 restore_controller(sc->kbdc, command_byte); 1514 if (verbose) 1515 device_printf(dev, "failed to reset the aux " 1516 "device.\n"); 1517 endprobe(ENXIO); 1518 } else if (!reset_aux_dev(sc->kbdc)) { 1519 recover_from_error(sc->kbdc); 1520 if (verbose >= 2) 1521 device_printf(dev, "failed to reset the aux " 1522 "device (2).\n"); 1523 } 1524 } 1525 1526 /* 1527 * both the aux port and the aux device are functioning, see if the 1528 * device can be enabled. NOTE: when enabled, the device will start 1529 * sending data; we shall immediately disable the device once we know 1530 * the device can be enabled. 1531 */ 1532 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1533 /* MOUSE ERROR */ 1534 recover_from_error(sc->kbdc); 1535 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1536 restore_controller(sc->kbdc, command_byte); 1537 if (verbose) 1538 device_printf(dev, "failed to enable the aux device.\n"); 1539 endprobe(ENXIO); 1540 } 1541 1542 /* save the default values after reset */ 1543 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1544 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1545 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1546 } else { 1547 sc->dflt_mode.rate = sc->mode.rate = -1; 1548 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1549 } 1550 1551 /* hardware information */ 1552 sc->hw.iftype = MOUSE_IF_PS2; 1553 1554 /* verify the device is a mouse */ 1555 sc->hw.hwid = get_aux_id(sc->kbdc); 1556 if (!is_a_mouse(sc->hw.hwid)) { 1557 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1558 restore_controller(sc->kbdc, command_byte); 1559 if (verbose) 1560 device_printf(dev, "unknown device type (%d).\n", 1561 sc->hw.hwid); 1562 endprobe(ENXIO); 1563 } 1564 switch (sc->hw.hwid) { 1565 case PSM_BALLPOINT_ID: 1566 sc->hw.type = MOUSE_TRACKBALL; 1567 break; 1568 case PSM_MOUSE_ID: 1569 case PSM_INTELLI_ID: 1570 case PSM_EXPLORER_ID: 1571 case PSM_4DMOUSE_ID: 1572 case PSM_4DPLUS_ID: 1573 sc->hw.type = MOUSE_MOUSE; 1574 break; 1575 default: 1576 sc->hw.type = MOUSE_UNKNOWN; 1577 break; 1578 } 1579 1580 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1581 sc->hw.buttons = 2; 1582 i = GENERIC_MOUSE_ENTRY; 1583 } else { 1584 /* # of buttons */ 1585 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1586 1587 /* other parameters */ 1588 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1589 if ((*vendortype[i].probefunc)(sc, PROBE)) { 1590 if (verbose >= 2) 1591 device_printf(dev, "found %s\n", 1592 model_name(vendortype[i].model)); 1593 break; 1594 } 1595 } 1596 1597 sc->hw.model = vendortype[i].model; 1598 1599 sc->dflt_mode.level = PSM_LEVEL_BASE; 1600 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1601 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1602 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1603 sc->dflt_mode.syncmask[0] = 0; 1604 else 1605 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1606 if (sc->config & PSM_CONFIG_FORCETAP) 1607 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1608 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1609 sc->mode = sc->dflt_mode; 1610 sc->mode.packetsize = vendortype[i].packetsize; 1611 1612 /* set mouse parameters */ 1613 #if 0 1614 /* 1615 * A version of Logitech FirstMouse+ won't report wheel movement, 1616 * if SET_DEFAULTS is sent... Don't use this command. 1617 * This fix was found by Takashi Nishida. 1618 */ 1619 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1620 if (verbose >= 2) 1621 device_printf(dev, "SET_DEFAULTS return code:%04x\n", i); 1622 #endif 1623 if (sc->config & PSM_CONFIG_RESOLUTION) 1624 sc->mode.resolution = 1625 set_mouse_resolution(sc->kbdc, 1626 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1627 else if (sc->mode.resolution >= 0) 1628 sc->mode.resolution = 1629 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1630 if (sc->mode.rate > 0) 1631 sc->mode.rate = 1632 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1633 set_mouse_scaling(sc->kbdc, 1); 1634 1635 /* Record sync on the next data packet we see. */ 1636 sc->flags |= PSM_NEED_SYNCBITS; 1637 1638 /* just check the status of the mouse */ 1639 /* 1640 * NOTE: XXX there are some arcane controller/mouse combinations out 1641 * there, which hung the controller unless there is data transmission 1642 * after ACK from the mouse. 1643 */ 1644 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1645 device_printf(dev, "failed to get status.\n"); 1646 else { 1647 /* 1648 * When in its native mode, some mice operate with different 1649 * default parameters than in the PS/2 compatible mode. 1650 */ 1651 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1652 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1653 } 1654 1655 /* disable the aux port for now... */ 1656 if (!set_controller_command_byte(sc->kbdc, 1657 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1658 (command_byte & KBD_KBD_CONTROL_BITS) | 1659 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1660 /* 1661 * this is CONTROLLER ERROR; I don't know the proper way to 1662 * recover from this error... 1663 */ 1664 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1665 restore_controller(sc->kbdc, command_byte); 1666 device_printf(dev, "unable to set the command byte.\n"); 1667 endprobe(ENXIO); 1668 } 1669 1670 /* done */ 1671 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1672 kbdc_lock(sc->kbdc, FALSE); 1673 return (0); 1674 } 1675 1676 #ifdef EVDEV_SUPPORT 1677 /* Values are taken from Linux drivers for userland software compatibility */ 1678 #define PS2_MOUSE_VENDOR 0x0002 1679 #define PS2_MOUSE_GENERIC_PRODUCT 0x0001 1680 #define PS2_MOUSE_SYNAPTICS_NAME "SynPS/2 Synaptics TouchPad" 1681 #define PS2_MOUSE_SYNAPTICS_PRODUCT 0x0007 1682 #define PS2_MOUSE_TRACKPOINT_NAME "TPPS/2 IBM TrackPoint" 1683 #define PS2_MOUSE_TRACKPOINT_PRODUCT 0x000A 1684 #define PS2_MOUSE_ELANTECH_NAME "ETPS/2 Elantech Touchpad" 1685 #define PS2_MOUSE_ELANTECH_ST_NAME "ETPS/2 Elantech TrackPoint" 1686 #define PS2_MOUSE_ELANTECH_PRODUCT 0x000E 1687 #define ABSINFO_END { ABS_CNT, 0, 0, 0 } 1688 1689 static void 1690 psm_support_abs_bulk(struct evdev_dev *evdev, const uint16_t info[][4]) 1691 { 1692 size_t i; 1693 1694 for (i = 0; info[i][0] != ABS_CNT; i++) 1695 evdev_support_abs(evdev, info[i][0], info[i][1], info[i][2], 1696 0, 0, info[i][3]); 1697 } 1698 1699 static void 1700 psm_push_mt_finger(struct psm_softc *sc, int id, const finger_t *f) 1701 { 1702 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1703 1704 evdev_push_abs(sc->evdev_a, ABS_MT_SLOT, id); 1705 evdev_push_abs(sc->evdev_a, ABS_MT_TRACKING_ID, id); 1706 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_X, f->x); 1707 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_Y, y); 1708 evdev_push_abs(sc->evdev_a, ABS_MT_PRESSURE, f->p); 1709 } 1710 1711 static void 1712 psm_push_st_finger(struct psm_softc *sc, const finger_t *f) 1713 { 1714 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1715 1716 evdev_push_abs(sc->evdev_a, ABS_X, f->x); 1717 evdev_push_abs(sc->evdev_a, ABS_Y, y); 1718 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, f->p); 1719 if (sc->synhw.capPalmDetect) 1720 evdev_push_abs(sc->evdev_a, ABS_TOOL_WIDTH, f->w); 1721 } 1722 1723 static int 1724 psm_register(device_t dev, int model_code) 1725 { 1726 struct psm_softc *sc = device_get_softc(dev); 1727 struct evdev_dev *evdev_r; 1728 int error, i, nbuttons, nwheels, product; 1729 bool is_pointing_stick; 1730 const char *name; 1731 1732 name = model_name(model_code); 1733 nbuttons = sc->hw.buttons; 1734 product = PS2_MOUSE_GENERIC_PRODUCT; 1735 nwheels = 0; 1736 is_pointing_stick = false; 1737 1738 switch (model_code) { 1739 case MOUSE_MODEL_TRACKPOINT: 1740 name = PS2_MOUSE_TRACKPOINT_NAME; 1741 product = PS2_MOUSE_TRACKPOINT_PRODUCT; 1742 nbuttons = 3; 1743 is_pointing_stick = true; 1744 break; 1745 1746 case MOUSE_MODEL_ELANTECH: 1747 name = PS2_MOUSE_ELANTECH_ST_NAME; 1748 product = PS2_MOUSE_ELANTECH_PRODUCT; 1749 nbuttons = 3; 1750 is_pointing_stick = true; 1751 break; 1752 1753 case MOUSE_MODEL_MOUSEMANPLUS: 1754 case MOUSE_MODEL_4D: 1755 nwheels = 2; 1756 break; 1757 1758 case MOUSE_MODEL_EXPLORER: 1759 case MOUSE_MODEL_INTELLI: 1760 case MOUSE_MODEL_NET: 1761 case MOUSE_MODEL_NETSCROLL: 1762 case MOUSE_MODEL_4DPLUS: 1763 nwheels = 1; 1764 break; 1765 } 1766 1767 evdev_r = evdev_alloc(); 1768 evdev_set_name(evdev_r, name); 1769 evdev_set_phys(evdev_r, device_get_nameunit(dev)); 1770 evdev_set_id(evdev_r, BUS_I8042, PS2_MOUSE_VENDOR, product, 0); 1771 evdev_set_methods(evdev_r, sc, &psm_ev_methods_r); 1772 1773 evdev_support_prop(evdev_r, INPUT_PROP_POINTER); 1774 if (is_pointing_stick) 1775 evdev_support_prop(evdev_r, INPUT_PROP_POINTING_STICK); 1776 evdev_support_event(evdev_r, EV_SYN); 1777 evdev_support_event(evdev_r, EV_KEY); 1778 evdev_support_event(evdev_r, EV_REL); 1779 evdev_support_rel(evdev_r, REL_X); 1780 evdev_support_rel(evdev_r, REL_Y); 1781 switch (nwheels) { 1782 case 2: 1783 evdev_support_rel(evdev_r, REL_HWHEEL); 1784 /* FALLTHROUGH */ 1785 case 1: 1786 evdev_support_rel(evdev_r, REL_WHEEL); 1787 } 1788 for (i = 0; i < nbuttons; i++) 1789 evdev_support_key(evdev_r, BTN_MOUSE + i); 1790 1791 error = evdev_register_mtx(evdev_r, &Giant); 1792 if (error) 1793 evdev_free(evdev_r); 1794 else 1795 sc->evdev_r = evdev_r; 1796 return (error); 1797 } 1798 1799 static int 1800 psm_register_synaptics(device_t dev) 1801 { 1802 struct psm_softc *sc = device_get_softc(dev); 1803 const uint16_t synaptics_absinfo_st[][4] = { 1804 { ABS_X, sc->synhw.minimumXCoord, 1805 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1806 { ABS_Y, sc->synhw.minimumYCoord, 1807 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1808 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1809 ABSINFO_END, 1810 }; 1811 const uint16_t synaptics_absinfo_mt[][4] = { 1812 { ABS_MT_SLOT, 0, PSM_FINGERS-1, 0}, 1813 { ABS_MT_TRACKING_ID, -1, PSM_FINGERS-1, 0}, 1814 { ABS_MT_POSITION_X, sc->synhw.minimumXCoord, 1815 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1816 { ABS_MT_POSITION_Y, sc->synhw.minimumYCoord, 1817 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1818 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1819 ABSINFO_END, 1820 }; 1821 struct evdev_dev *evdev_a; 1822 int error, i, guest_model; 1823 1824 evdev_a = evdev_alloc(); 1825 evdev_set_name(evdev_a, PS2_MOUSE_SYNAPTICS_NAME); 1826 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1827 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1828 PS2_MOUSE_SYNAPTICS_PRODUCT, 0); 1829 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1830 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1831 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_AUTOREL); 1832 if (sc->synhw.capReportsV) 1833 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_TRACK); 1834 1835 evdev_support_event(evdev_a, EV_SYN); 1836 evdev_support_event(evdev_a, EV_KEY); 1837 evdev_support_event(evdev_a, EV_ABS); 1838 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1839 if (sc->synhw.capAdvancedGestures) 1840 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1841 if (sc->synhw.capClickPad) 1842 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1843 if (sc->synhw.capClickPad && sc->synhw.topButtonPad) 1844 evdev_support_prop(evdev_a, INPUT_PROP_TOPBUTTONPAD); 1845 evdev_support_key(evdev_a, BTN_TOUCH); 1846 evdev_support_nfingers(evdev_a, sc->synhw.capReportsV ? 5 : 3); 1847 psm_support_abs_bulk(evdev_a, synaptics_absinfo_st); 1848 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1849 psm_support_abs_bulk(evdev_a, synaptics_absinfo_mt); 1850 if (sc->synhw.capPalmDetect) 1851 evdev_support_abs(evdev_a, ABS_TOOL_WIDTH, 0, 15, 0, 0, 0); 1852 evdev_support_key(evdev_a, BTN_LEFT); 1853 if (!sc->synhw.capClickPad) { 1854 evdev_support_key(evdev_a, BTN_RIGHT); 1855 if (sc->synhw.capExtended && sc->synhw.capMiddle) 1856 evdev_support_key(evdev_a, BTN_MIDDLE); 1857 } 1858 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 1859 evdev_support_key(evdev_a, BTN_BACK); 1860 evdev_support_key(evdev_a, BTN_FORWARD); 1861 } 1862 if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) 1863 for (i = 0; i < sc->synhw.nExtendedButtons; i++) 1864 evdev_support_key(evdev_a, BTN_0 + i); 1865 1866 error = evdev_register_mtx(evdev_a, &Giant); 1867 if (!error && (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX)) { 1868 guest_model = sc->tpinfo.sysctl_tree != NULL ? 1869 MOUSE_MODEL_TRACKPOINT : MOUSE_MODEL_GENERIC; 1870 error = psm_register(dev, guest_model); 1871 } 1872 if (error) 1873 evdev_free(evdev_a); 1874 else 1875 sc->evdev_a = evdev_a; 1876 return (error); 1877 } 1878 1879 static int 1880 psm_register_elantech(device_t dev) 1881 { 1882 struct psm_softc *sc = device_get_softc(dev); 1883 const uint16_t elantech_absinfo[][4] = { 1884 { ABS_X, 0, sc->elanhw.sizex, 1885 sc->elanhw.dpmmx }, 1886 { ABS_Y, 0, sc->elanhw.sizey, 1887 sc->elanhw.dpmmy }, 1888 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1889 { ABS_TOOL_WIDTH, 0, ELANTECH_FINGER_MAX_W, 0 }, 1890 { ABS_MT_SLOT, 0, ELANTECH_MAX_FINGERS - 1, 0 }, 1891 { ABS_MT_TRACKING_ID, -1, ELANTECH_MAX_FINGERS - 1, 0 }, 1892 { ABS_MT_POSITION_X, 0, sc->elanhw.sizex, 1893 sc->elanhw.dpmmx }, 1894 { ABS_MT_POSITION_Y, 0, sc->elanhw.sizey, 1895 sc->elanhw.dpmmy }, 1896 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1897 { ABS_MT_TOUCH_MAJOR, 0, ELANTECH_FINGER_MAX_W * 1898 sc->elanhw.dptracex, 0 }, 1899 ABSINFO_END, 1900 }; 1901 struct evdev_dev *evdev_a; 1902 int error; 1903 1904 evdev_a = evdev_alloc(); 1905 evdev_set_name(evdev_a, PS2_MOUSE_ELANTECH_NAME); 1906 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1907 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1908 PS2_MOUSE_ELANTECH_PRODUCT, 0); 1909 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1910 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_AUTOREL); 1911 1912 evdev_support_event(evdev_a, EV_SYN); 1913 evdev_support_event(evdev_a, EV_KEY); 1914 evdev_support_event(evdev_a, EV_ABS); 1915 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1916 if (sc->elanhw.issemimt) 1917 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1918 if (sc->elanhw.isclickpad) 1919 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1920 evdev_support_key(evdev_a, BTN_TOUCH); 1921 evdev_support_nfingers(evdev_a, ELANTECH_MAX_FINGERS); 1922 evdev_support_key(evdev_a, BTN_LEFT); 1923 if (!sc->elanhw.isclickpad) 1924 evdev_support_key(evdev_a, BTN_RIGHT); 1925 psm_support_abs_bulk(evdev_a, elantech_absinfo); 1926 1927 error = evdev_register_mtx(evdev_a, &Giant); 1928 if (!error && sc->elanhw.hastrackpoint) 1929 error = psm_register(dev, MOUSE_MODEL_ELANTECH); 1930 if (error) 1931 evdev_free(evdev_a); 1932 else 1933 sc->evdev_a = evdev_a; 1934 return (error); 1935 } 1936 #endif 1937 1938 static int 1939 psmattach(device_t dev) 1940 { 1941 struct make_dev_args mda; 1942 int unit = device_get_unit(dev); 1943 struct psm_softc *sc = device_get_softc(dev); 1944 int error; 1945 int rid; 1946 1947 /* Setup initial state */ 1948 sc->state = PSM_VALID; 1949 callout_init(&sc->callout, 0); 1950 callout_init(&sc->softcallout, 0); 1951 1952 /* Setup our interrupt handler */ 1953 rid = KBDC_RID_AUX; 1954 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1955 if (sc->intr == NULL) 1956 return (ENXIO); 1957 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1958 &sc->ih); 1959 if (error) 1960 goto out; 1961 1962 /* Done */ 1963 make_dev_args_init(&mda); 1964 mda.mda_devsw = &psm_cdevsw; 1965 mda.mda_mode = 0666; 1966 mda.mda_si_drv1 = sc; 1967 1968 if ((error = make_dev_s(&mda, &sc->cdev, "psm%d", unit)) != 0) 1969 goto out; 1970 if ((error = make_dev_s(&mda, &sc->bdev, "bpsm%d", unit)) != 0) 1971 goto out; 1972 1973 #ifdef EVDEV_SUPPORT 1974 switch (sc->hw.model) { 1975 case MOUSE_MODEL_SYNAPTICS: 1976 error = psm_register_synaptics(dev); 1977 break; 1978 1979 case MOUSE_MODEL_ELANTECH: 1980 error = psm_register_elantech(dev); 1981 break; 1982 1983 default: 1984 error = psm_register(dev, sc->hw.model); 1985 } 1986 1987 if (error) 1988 goto out; 1989 #endif 1990 1991 /* Some touchpad devices need full reinitialization after suspend. */ 1992 switch (sc->hw.model) { 1993 case MOUSE_MODEL_SYNAPTICS: 1994 case MOUSE_MODEL_GLIDEPOINT: 1995 case MOUSE_MODEL_VERSAPAD: 1996 case MOUSE_MODEL_ELANTECH: 1997 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1998 break; 1999 default: 2000 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 2001 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2002 break; 2003 } 2004 2005 /* Elantech trackpad`s sync bit differs from touchpad`s one */ 2006 if (sc->hw.model == MOUSE_MODEL_ELANTECH && 2007 (sc->elanhw.hascrc || sc->elanhw.hastrackpoint)) { 2008 sc->config |= PSM_CONFIG_NOCHECKSYNC; 2009 sc->flags &= ~PSM_NEED_SYNCBITS; 2010 } 2011 2012 if (!verbose) 2013 device_printf(dev, "model %s, device ID %d\n", 2014 model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 2015 else { 2016 device_printf(dev, "model %s, device ID %d-%02x, %d buttons\n", 2017 model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 2018 sc->hw.hwid >> 8, sc->hw.buttons); 2019 device_printf(dev, "config:%08x, flags:%08x, packet size:%d\n", 2020 sc->config, sc->flags, sc->mode.packetsize); 2021 device_printf(dev, "syncmask:%02x, syncbits:%02x%s\n", 2022 sc->mode.syncmask[0], sc->mode.syncmask[1], 2023 sc->config & PSM_CONFIG_NOCHECKSYNC ? " (sync not checked)" : ""); 2024 } 2025 2026 if (bootverbose) 2027 --verbose; 2028 2029 out: 2030 if (error != 0) { 2031 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2032 if (sc->dev != NULL) 2033 destroy_dev(sc->cdev); 2034 if (sc->bdev != NULL) 2035 destroy_dev(sc->bdev); 2036 } 2037 return (error); 2038 } 2039 2040 static int 2041 psmdetach(device_t dev) 2042 { 2043 struct psm_softc *sc; 2044 int rid; 2045 2046 sc = device_get_softc(dev); 2047 if (sc->state & PSM_OPEN) 2048 return (EBUSY); 2049 2050 #ifdef EVDEV_SUPPORT 2051 evdev_free(sc->evdev_r); 2052 evdev_free(sc->evdev_a); 2053 #endif 2054 2055 rid = KBDC_RID_AUX; 2056 bus_teardown_intr(dev, sc->intr, sc->ih); 2057 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2058 2059 destroy_dev(sc->cdev); 2060 destroy_dev(sc->bdev); 2061 2062 callout_drain(&sc->callout); 2063 callout_drain(&sc->softcallout); 2064 2065 return (0); 2066 } 2067 2068 #ifdef EVDEV_SUPPORT 2069 static int 2070 psm_ev_open_r(struct evdev_dev *evdev) 2071 { 2072 struct psm_softc *sc = evdev_get_softc(evdev); 2073 int err = 0; 2074 2075 /* Get device data */ 2076 if ((sc->state & PSM_VALID) == 0) { 2077 /* the device is no longer valid/functioning */ 2078 return (ENXIO); 2079 } 2080 2081 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2082 err = psmopen(sc); 2083 2084 if (err == 0) 2085 sc->state |= PSM_EV_OPEN_R; 2086 2087 return (err); 2088 } 2089 2090 static int 2091 psm_ev_close_r(struct evdev_dev *evdev) 2092 { 2093 struct psm_softc *sc = evdev_get_softc(evdev); 2094 int err = 0; 2095 2096 sc->state &= ~PSM_EV_OPEN_R; 2097 2098 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2099 return (0); 2100 2101 if (sc->state & PSM_VALID) 2102 err = psmclose(sc); 2103 2104 return (err); 2105 } 2106 2107 static int 2108 psm_ev_open_a(struct evdev_dev *evdev) 2109 { 2110 struct psm_softc *sc = evdev_get_softc(evdev); 2111 int err = 0; 2112 2113 /* Get device data */ 2114 if ((sc->state & PSM_VALID) == 0) { 2115 /* the device is no longer valid/functioning */ 2116 return (ENXIO); 2117 } 2118 2119 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2120 err = psmopen(sc); 2121 2122 if (err == 0) 2123 sc->state |= PSM_EV_OPEN_A; 2124 2125 return (err); 2126 } 2127 2128 static int 2129 psm_ev_close_a(struct evdev_dev *evdev) 2130 { 2131 struct psm_softc *sc = evdev_get_softc(evdev); 2132 int err = 0; 2133 2134 sc->state &= ~PSM_EV_OPEN_A; 2135 2136 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2137 return (0); 2138 2139 if (sc->state & PSM_VALID) 2140 err = psmclose(sc); 2141 2142 return (err); 2143 } 2144 #endif 2145 2146 static int 2147 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2148 { 2149 struct psm_softc *sc; 2150 int err = 0; 2151 2152 /* Get device data */ 2153 sc = dev->si_drv1; 2154 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2155 /* the device is no longer valid/functioning */ 2156 return (ENXIO); 2157 } 2158 2159 /* Disallow multiple opens */ 2160 if (sc->state & PSM_OPEN) 2161 return (EBUSY); 2162 2163 device_busy(sc->dev); 2164 2165 #ifdef EVDEV_SUPPORT 2166 /* Already opened by evdev */ 2167 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2168 #endif 2169 err = psmopen(sc); 2170 2171 if (err == 0) 2172 sc->state |= PSM_OPEN; 2173 else 2174 device_unbusy(sc->dev); 2175 2176 return (err); 2177 } 2178 2179 static int 2180 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2181 { 2182 struct psm_softc *sc; 2183 int err = 0; 2184 2185 /* Get device data */ 2186 sc = dev->si_drv1; 2187 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2188 /* the device is no longer valid/functioning */ 2189 return (ENXIO); 2190 } 2191 2192 #ifdef EVDEV_SUPPORT 2193 /* Still opened by evdev */ 2194 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2195 #endif 2196 err = psmclose(sc); 2197 2198 if (err == 0) { 2199 sc->state &= ~PSM_OPEN; 2200 /* clean up and sigio requests */ 2201 if (sc->async != NULL) { 2202 funsetown(&sc->async); 2203 sc->async = NULL; 2204 } 2205 device_unbusy(sc->dev); 2206 } 2207 2208 return (err); 2209 } 2210 2211 static int 2212 psmopen(struct psm_softc *sc) 2213 { 2214 int command_byte; 2215 int err; 2216 int s; 2217 2218 /* Initialize state */ 2219 sc->mode.level = sc->dflt_mode.level; 2220 sc->mode.protocol = sc->dflt_mode.protocol; 2221 sc->watchdog = FALSE; 2222 sc->async = NULL; 2223 2224 /* flush the event queue */ 2225 sc->queue.count = 0; 2226 sc->queue.head = 0; 2227 sc->queue.tail = 0; 2228 sc->status.flags = 0; 2229 sc->status.button = 0; 2230 sc->status.obutton = 0; 2231 sc->status.dx = 0; 2232 sc->status.dy = 0; 2233 sc->status.dz = 0; 2234 sc->button = 0; 2235 sc->pqueue_start = 0; 2236 sc->pqueue_end = 0; 2237 2238 /* empty input buffer */ 2239 flushpackets(sc); 2240 sc->syncerrors = 0; 2241 sc->pkterrors = 0; 2242 2243 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2244 if (!kbdc_lock(sc->kbdc, TRUE)) 2245 return (EIO); 2246 2247 /* save the current controller command byte */ 2248 s = spltty(); 2249 command_byte = get_controller_command_byte(sc->kbdc); 2250 2251 /* enable the aux port and temporalily disable the keyboard */ 2252 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2253 kbdc_get_device_mask(sc->kbdc), 2254 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2255 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2256 /* CONTROLLER ERROR; do you know how to get out of this? */ 2257 kbdc_lock(sc->kbdc, FALSE); 2258 splx(s); 2259 device_log(sc->dev, LOG_ERR, 2260 "unable to set the command byte (psmopen).\n"); 2261 return (EIO); 2262 } 2263 /* 2264 * Now that the keyboard controller is told not to generate 2265 * the keyboard and mouse interrupts, call `splx()' to allow 2266 * the other tty interrupts. The clock interrupt may also occur, 2267 * but timeout routines will be blocked by the poll flag set 2268 * via `kbdc_lock()' 2269 */ 2270 splx(s); 2271 2272 /* enable the mouse device */ 2273 err = doopen(sc, command_byte); 2274 2275 /* done */ 2276 kbdc_lock(sc->kbdc, FALSE); 2277 return (err); 2278 } 2279 2280 static int 2281 psmclose(struct psm_softc *sc) 2282 { 2283 int stat[3]; 2284 int command_byte; 2285 int s; 2286 2287 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2288 if (!kbdc_lock(sc->kbdc, TRUE)) 2289 return (EIO); 2290 2291 /* save the current controller command byte */ 2292 s = spltty(); 2293 command_byte = get_controller_command_byte(sc->kbdc); 2294 if (command_byte == -1) { 2295 kbdc_lock(sc->kbdc, FALSE); 2296 splx(s); 2297 return (EIO); 2298 } 2299 2300 /* disable the aux interrupt and temporalily disable the keyboard */ 2301 if (!set_controller_command_byte(sc->kbdc, 2302 kbdc_get_device_mask(sc->kbdc), 2303 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2304 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2305 device_log(sc->dev, LOG_ERR, 2306 "failed to disable the aux int (psmclose).\n"); 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 device_log(sc->dev, LOG_ERR, 2332 "failed to disable the device (psmclose).\n"); 2333 } 2334 2335 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2336 device_log(sc->dev, LOG_DEBUG, 2337 "failed to get status (psmclose).\n"); 2338 } 2339 2340 if (!set_controller_command_byte(sc->kbdc, 2341 kbdc_get_device_mask(sc->kbdc), 2342 (command_byte & KBD_KBD_CONTROL_BITS) | 2343 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2344 /* 2345 * CONTROLLER ERROR; 2346 * we shall ignore this error; see the above comment. 2347 */ 2348 device_log(sc->dev, LOG_ERR, 2349 "failed to disable the aux port (psmclose).\n"); 2350 } 2351 2352 /* remove anything left in the output buffer */ 2353 empty_aux_buffer(sc->kbdc, 10); 2354 2355 /* close is almost always successful */ 2356 kbdc_lock(sc->kbdc, FALSE); 2357 return (0); 2358 } 2359 2360 static int 2361 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2362 u_char *buf) 2363 { 2364 static u_char butmapps2[8] = { 2365 0, 2366 MOUSE_PS2_BUTTON1DOWN, 2367 MOUSE_PS2_BUTTON2DOWN, 2368 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2369 MOUSE_PS2_BUTTON3DOWN, 2370 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2371 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2372 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2373 MOUSE_PS2_BUTTON3DOWN, 2374 }; 2375 static u_char butmapmsc[8] = { 2376 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2377 MOUSE_MSC_BUTTON3UP, 2378 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2379 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2380 MOUSE_MSC_BUTTON3UP, 2381 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2382 MOUSE_MSC_BUTTON2UP, 2383 MOUSE_MSC_BUTTON1UP, 2384 0, 2385 }; 2386 int mapped; 2387 int i; 2388 2389 if (sc->mode.level == PSM_LEVEL_BASE) { 2390 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2391 if (status->button & MOUSE_BUTTON4DOWN) 2392 mapped |= MOUSE_BUTTON1DOWN; 2393 status->button = mapped; 2394 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2395 i = imax(imin(status->dx, 255), -256); 2396 if (i < 0) 2397 buf[0] |= MOUSE_PS2_XNEG; 2398 buf[1] = i; 2399 i = imax(imin(status->dy, 255), -256); 2400 if (i < 0) 2401 buf[0] |= MOUSE_PS2_YNEG; 2402 buf[2] = i; 2403 return (MOUSE_PS2_PACKETSIZE); 2404 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2405 buf[0] = MOUSE_MSC_SYNC | 2406 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2407 i = imax(imin(status->dx, 255), -256); 2408 buf[1] = i >> 1; 2409 buf[3] = i - buf[1]; 2410 i = imax(imin(status->dy, 255), -256); 2411 buf[2] = i >> 1; 2412 buf[4] = i - buf[2]; 2413 i = imax(imin(status->dz, 127), -128); 2414 buf[5] = (i >> 1) & 0x7f; 2415 buf[6] = (i - (i >> 1)) & 0x7f; 2416 buf[7] = (~status->button >> 3) & 0x7f; 2417 return (MOUSE_SYS_PACKETSIZE); 2418 } 2419 return (pb->inputbytes); 2420 } 2421 2422 static int 2423 psmread(struct cdev *dev, struct uio *uio, int flag) 2424 { 2425 struct psm_softc *sc = dev->si_drv1; 2426 u_char buf[PSM_SMALLBUFSIZE]; 2427 int error = 0; 2428 int s; 2429 int l; 2430 2431 if ((sc->state & PSM_VALID) == 0) 2432 return (EIO); 2433 2434 /* block until mouse activity occurred */ 2435 s = spltty(); 2436 while (sc->queue.count <= 0) { 2437 if (dev != sc->bdev) { 2438 splx(s); 2439 return (EWOULDBLOCK); 2440 } 2441 sc->state |= PSM_ASLP; 2442 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2443 sc->state &= ~PSM_ASLP; 2444 if (error) { 2445 splx(s); 2446 return (error); 2447 } else if ((sc->state & PSM_VALID) == 0) { 2448 /* the device disappeared! */ 2449 splx(s); 2450 return (EIO); 2451 } 2452 } 2453 splx(s); 2454 2455 /* copy data to the user land */ 2456 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2457 s = spltty(); 2458 l = imin(sc->queue.count, uio->uio_resid); 2459 if (l > sizeof(buf)) 2460 l = sizeof(buf); 2461 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2462 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2463 sizeof(sc->queue.buf) - sc->queue.head); 2464 bcopy(&sc->queue.buf[0], 2465 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2466 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2467 } else 2468 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2469 sc->queue.count -= l; 2470 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2471 splx(s); 2472 error = uiomove(buf, l, uio); 2473 if (error) 2474 break; 2475 } 2476 2477 return (error); 2478 } 2479 2480 static int 2481 block_mouse_data(struct psm_softc *sc, int *c) 2482 { 2483 int s; 2484 2485 if (!kbdc_lock(sc->kbdc, TRUE)) 2486 return (EIO); 2487 2488 s = spltty(); 2489 *c = get_controller_command_byte(sc->kbdc); 2490 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2491 kbdc_get_device_mask(sc->kbdc), 2492 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2493 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2494 /* this is CONTROLLER ERROR */ 2495 splx(s); 2496 kbdc_lock(sc->kbdc, FALSE); 2497 return (EIO); 2498 } 2499 2500 /* 2501 * The device may be in the middle of status data transmission. 2502 * The transmission will be interrupted, thus, incomplete status 2503 * data must be discarded. Although the aux interrupt is disabled 2504 * at the keyboard controller level, at most one aux interrupt 2505 * may have already been pending and a data byte is in the 2506 * output buffer; throw it away. Note that the second argument 2507 * to `empty_aux_buffer()' is zero, so that the call will just 2508 * flush the internal queue. 2509 * `psmintr()' will be invoked after `splx()' if an interrupt is 2510 * pending; it will see no data and returns immediately. 2511 */ 2512 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2513 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2514 flushpackets(sc); 2515 splx(s); 2516 2517 return (0); 2518 } 2519 2520 static void 2521 dropqueue(struct psm_softc *sc) 2522 { 2523 2524 sc->queue.count = 0; 2525 sc->queue.head = 0; 2526 sc->queue.tail = 0; 2527 if ((sc->state & PSM_SOFTARMED) != 0) { 2528 sc->state &= ~PSM_SOFTARMED; 2529 callout_stop(&sc->softcallout); 2530 } 2531 sc->pqueue_start = sc->pqueue_end; 2532 } 2533 2534 static void 2535 flushpackets(struct psm_softc *sc) 2536 { 2537 2538 dropqueue(sc); 2539 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2540 } 2541 2542 static int 2543 unblock_mouse_data(struct psm_softc *sc, int c) 2544 { 2545 int error = 0; 2546 2547 /* 2548 * We may have seen a part of status data during `set_mouse_XXX()'. 2549 * they have been queued; flush it. 2550 */ 2551 empty_aux_buffer(sc->kbdc, 0); 2552 2553 /* restore ports and interrupt */ 2554 if (!set_controller_command_byte(sc->kbdc, 2555 kbdc_get_device_mask(sc->kbdc), 2556 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2557 /* 2558 * CONTROLLER ERROR; this is serious, we may have 2559 * been left with the inaccessible keyboard and 2560 * the disabled mouse interrupt. 2561 */ 2562 error = EIO; 2563 } 2564 2565 kbdc_lock(sc->kbdc, FALSE); 2566 return (error); 2567 } 2568 2569 static int 2570 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2571 { 2572 struct psm_softc *sc = dev->si_drv1; 2573 u_char buf[PSM_SMALLBUFSIZE]; 2574 int error = 0, i, l; 2575 2576 if ((sc->state & PSM_VALID) == 0) 2577 return (EIO); 2578 2579 if (sc->mode.level < PSM_LEVEL_NATIVE) 2580 return (ENODEV); 2581 2582 /* copy data from the user land */ 2583 while (uio->uio_resid > 0) { 2584 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2585 error = uiomove(buf, l, uio); 2586 if (error) 2587 break; 2588 for (i = 0; i < l; i++) { 2589 VDLOG(4, sc->dev, LOG_DEBUG, "cmd 0x%x\n", buf[i]); 2590 if (!write_aux_command(sc->kbdc, buf[i])) { 2591 VDLOG(2, sc->dev, LOG_DEBUG, 2592 "cmd 0x%x failed.\n", buf[i]); 2593 return (reinitialize(sc, FALSE)); 2594 } 2595 } 2596 } 2597 2598 return (error); 2599 } 2600 2601 static int 2602 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2603 struct thread *td) 2604 { 2605 struct psm_softc *sc = dev->si_drv1; 2606 mousemode_t mode; 2607 mousestatus_t status; 2608 mousedata_t *data; 2609 int stat[3]; 2610 int command_byte; 2611 int error = 0; 2612 int s; 2613 2614 /* Perform IOCTL command */ 2615 switch (cmd) { 2616 case OLD_MOUSE_GETHWINFO: 2617 s = spltty(); 2618 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2619 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2620 ((old_mousehw_t *)addr)->type = sc->hw.type; 2621 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2622 splx(s); 2623 break; 2624 2625 case MOUSE_GETHWINFO: 2626 s = spltty(); 2627 *(mousehw_t *)addr = sc->hw; 2628 if (sc->mode.level == PSM_LEVEL_BASE) 2629 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2630 splx(s); 2631 break; 2632 2633 case MOUSE_SYN_GETHWINFO: 2634 s = spltty(); 2635 if (sc->synhw.infoMajor >= 4) 2636 *(synapticshw_t *)addr = sc->synhw; 2637 else 2638 error = EINVAL; 2639 splx(s); 2640 break; 2641 2642 case OLD_MOUSE_GETMODE: 2643 s = spltty(); 2644 switch (sc->mode.level) { 2645 case PSM_LEVEL_BASE: 2646 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2647 break; 2648 case PSM_LEVEL_STANDARD: 2649 ((old_mousemode_t *)addr)->protocol = 2650 MOUSE_PROTO_SYSMOUSE; 2651 break; 2652 case PSM_LEVEL_NATIVE: 2653 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2654 break; 2655 } 2656 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2657 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2658 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2659 splx(s); 2660 break; 2661 2662 case MOUSE_GETMODE: 2663 s = spltty(); 2664 *(mousemode_t *)addr = sc->mode; 2665 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2666 ((mousemode_t *)addr)->syncmask[0] = 0; 2667 ((mousemode_t *)addr)->syncmask[1] = 0; 2668 } 2669 ((mousemode_t *)addr)->resolution = 2670 MOUSE_RES_LOW - sc->mode.resolution; 2671 switch (sc->mode.level) { 2672 case PSM_LEVEL_BASE: 2673 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2674 ((mousemode_t *)addr)->packetsize = 2675 MOUSE_PS2_PACKETSIZE; 2676 break; 2677 case PSM_LEVEL_STANDARD: 2678 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2679 ((mousemode_t *)addr)->packetsize = 2680 MOUSE_SYS_PACKETSIZE; 2681 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2682 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2683 break; 2684 case PSM_LEVEL_NATIVE: 2685 /* FIXME: this isn't quite correct... XXX */ 2686 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2687 break; 2688 } 2689 splx(s); 2690 break; 2691 2692 case OLD_MOUSE_SETMODE: 2693 case MOUSE_SETMODE: 2694 if (cmd == OLD_MOUSE_SETMODE) { 2695 mode.rate = ((old_mousemode_t *)addr)->rate; 2696 /* 2697 * resolution old I/F new I/F 2698 * default 0 0 2699 * low 1 -2 2700 * medium low 2 -3 2701 * medium high 3 -4 2702 * high 4 -5 2703 */ 2704 if (((old_mousemode_t *)addr)->resolution > 0) 2705 mode.resolution = 2706 -((old_mousemode_t *)addr)->resolution - 1; 2707 else 2708 mode.resolution = 0; 2709 mode.accelfactor = 2710 ((old_mousemode_t *)addr)->accelfactor; 2711 mode.level = -1; 2712 } else 2713 mode = *(mousemode_t *)addr; 2714 2715 /* adjust and validate parameters. */ 2716 if (mode.rate > UCHAR_MAX) 2717 return (EINVAL); 2718 if (mode.rate == 0) 2719 mode.rate = sc->dflt_mode.rate; 2720 else if (mode.rate == -1) 2721 /* don't change the current setting */ 2722 ; 2723 else if (mode.rate < 0) 2724 return (EINVAL); 2725 if (mode.resolution >= UCHAR_MAX) 2726 return (EINVAL); 2727 if (mode.resolution >= 200) 2728 mode.resolution = MOUSE_RES_HIGH; 2729 else if (mode.resolution >= 100) 2730 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2731 else if (mode.resolution >= 50) 2732 mode.resolution = MOUSE_RES_MEDIUMLOW; 2733 else if (mode.resolution > 0) 2734 mode.resolution = MOUSE_RES_LOW; 2735 if (mode.resolution == MOUSE_RES_DEFAULT) 2736 mode.resolution = sc->dflt_mode.resolution; 2737 else if (mode.resolution == -1) 2738 /* don't change the current setting */ 2739 ; 2740 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2741 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2742 if (mode.level == -1) 2743 /* don't change the current setting */ 2744 mode.level = sc->mode.level; 2745 else if ((mode.level < PSM_LEVEL_MIN) || 2746 (mode.level > PSM_LEVEL_MAX)) 2747 return (EINVAL); 2748 if (mode.accelfactor == -1) 2749 /* don't change the current setting */ 2750 mode.accelfactor = sc->mode.accelfactor; 2751 else if (mode.accelfactor < 0) 2752 return (EINVAL); 2753 2754 /* don't allow anybody to poll the keyboard controller */ 2755 error = block_mouse_data(sc, &command_byte); 2756 if (error) 2757 return (error); 2758 2759 /* set mouse parameters */ 2760 if (mode.rate > 0) 2761 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2762 mode.rate); 2763 if (mode.resolution >= 0) 2764 mode.resolution = 2765 set_mouse_resolution(sc->kbdc, mode.resolution); 2766 set_mouse_scaling(sc->kbdc, 1); 2767 get_mouse_status(sc->kbdc, stat, 0, 3); 2768 2769 s = spltty(); 2770 sc->mode.rate = mode.rate; 2771 sc->mode.resolution = mode.resolution; 2772 sc->mode.accelfactor = mode.accelfactor; 2773 sc->mode.level = mode.level; 2774 splx(s); 2775 2776 unblock_mouse_data(sc, command_byte); 2777 break; 2778 2779 case MOUSE_GETLEVEL: 2780 *(int *)addr = sc->mode.level; 2781 break; 2782 2783 case MOUSE_SETLEVEL: 2784 if ((*(int *)addr < PSM_LEVEL_MIN) || 2785 (*(int *)addr > PSM_LEVEL_MAX)) 2786 return (EINVAL); 2787 sc->mode.level = *(int *)addr; 2788 break; 2789 2790 case MOUSE_GETSTATUS: 2791 s = spltty(); 2792 status = sc->status; 2793 sc->status.flags = 0; 2794 sc->status.obutton = sc->status.button; 2795 sc->status.button = 0; 2796 sc->status.dx = 0; 2797 sc->status.dy = 0; 2798 sc->status.dz = 0; 2799 splx(s); 2800 *(mousestatus_t *)addr = status; 2801 break; 2802 2803 case MOUSE_READSTATE: 2804 case MOUSE_READDATA: 2805 data = (mousedata_t *)addr; 2806 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2807 return (EINVAL); 2808 2809 error = block_mouse_data(sc, &command_byte); 2810 if (error) 2811 return (error); 2812 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2813 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2814 error = EIO; 2815 unblock_mouse_data(sc, command_byte); 2816 break; 2817 2818 #if (defined(MOUSE_SETRESOLUTION)) 2819 case MOUSE_SETRESOLUTION: 2820 mode.resolution = *(int *)addr; 2821 if (mode.resolution >= UCHAR_MAX) 2822 return (EINVAL); 2823 else if (mode.resolution >= 200) 2824 mode.resolution = MOUSE_RES_HIGH; 2825 else if (mode.resolution >= 100) 2826 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2827 else if (mode.resolution >= 50) 2828 mode.resolution = MOUSE_RES_MEDIUMLOW; 2829 else if (mode.resolution > 0) 2830 mode.resolution = MOUSE_RES_LOW; 2831 if (mode.resolution == MOUSE_RES_DEFAULT) 2832 mode.resolution = sc->dflt_mode.resolution; 2833 else if (mode.resolution == -1) 2834 mode.resolution = sc->mode.resolution; 2835 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2836 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2837 2838 error = block_mouse_data(sc, &command_byte); 2839 if (error) 2840 return (error); 2841 sc->mode.resolution = 2842 set_mouse_resolution(sc->kbdc, mode.resolution); 2843 if (sc->mode.resolution != mode.resolution) 2844 error = EIO; 2845 unblock_mouse_data(sc, command_byte); 2846 break; 2847 #endif /* MOUSE_SETRESOLUTION */ 2848 2849 #if (defined(MOUSE_SETRATE)) 2850 case MOUSE_SETRATE: 2851 mode.rate = *(int *)addr; 2852 if (mode.rate > UCHAR_MAX) 2853 return (EINVAL); 2854 if (mode.rate == 0) 2855 mode.rate = sc->dflt_mode.rate; 2856 else if (mode.rate < 0) 2857 mode.rate = sc->mode.rate; 2858 2859 error = block_mouse_data(sc, &command_byte); 2860 if (error) 2861 return (error); 2862 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2863 if (sc->mode.rate != mode.rate) 2864 error = EIO; 2865 unblock_mouse_data(sc, command_byte); 2866 break; 2867 #endif /* MOUSE_SETRATE */ 2868 2869 #if (defined(MOUSE_SETSCALING)) 2870 case MOUSE_SETSCALING: 2871 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2872 return (EINVAL); 2873 2874 error = block_mouse_data(sc, &command_byte); 2875 if (error) 2876 return (error); 2877 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2878 error = EIO; 2879 unblock_mouse_data(sc, command_byte); 2880 break; 2881 #endif /* MOUSE_SETSCALING */ 2882 2883 #if (defined(MOUSE_GETHWID)) 2884 case MOUSE_GETHWID: 2885 error = block_mouse_data(sc, &command_byte); 2886 if (error) 2887 return (error); 2888 sc->hw.hwid &= ~0x00ff; 2889 sc->hw.hwid |= get_aux_id(sc->kbdc); 2890 *(int *)addr = sc->hw.hwid & 0x00ff; 2891 unblock_mouse_data(sc, command_byte); 2892 break; 2893 #endif /* MOUSE_GETHWID */ 2894 2895 case FIONBIO: 2896 case FIOASYNC: 2897 break; 2898 case FIOSETOWN: 2899 error = fsetown(*(int *)addr, &sc->async); 2900 break; 2901 case FIOGETOWN: 2902 *(int *) addr = fgetown(&sc->async); 2903 break; 2904 default: 2905 return (ENOTTY); 2906 } 2907 2908 return (error); 2909 } 2910 2911 static void 2912 psmtimeout(void *arg) 2913 { 2914 struct psm_softc *sc; 2915 int s; 2916 2917 sc = (struct psm_softc *)arg; 2918 s = spltty(); 2919 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2920 VDLOG(6, sc->dev, LOG_DEBUG, "lost interrupt?\n"); 2921 psmintr(sc); 2922 kbdc_lock(sc->kbdc, FALSE); 2923 } 2924 sc->watchdog = TRUE; 2925 splx(s); 2926 callout_reset(&sc->callout, hz, psmtimeout, sc); 2927 } 2928 2929 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2930 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2931 "ps/2 mouse"); 2932 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2933 "ps/2 mouse"); 2934 2935 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RWTUN, &verbose, 0, 2936 "Verbosity level"); 2937 2938 static int psmhz = 20; 2939 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2940 "Frequency of the softcallout (in hz)"); 2941 static int psmerrsecs = 2; 2942 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2943 "Number of seconds during which packets will dropped after a sync error"); 2944 static int psmerrusecs = 0; 2945 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2946 "Microseconds to add to psmerrsecs"); 2947 static int psmsecs = 0; 2948 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2949 "Max number of seconds between soft interrupts"); 2950 static int psmusecs = 500000; 2951 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2952 "Microseconds to add to psmsecs"); 2953 static int pkterrthresh = 2; 2954 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2955 "Number of error packets allowed before reinitializing the mouse"); 2956 2957 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RWTUN, &tap_enabled, 0, 2958 "Enable tap and drag gestures"); 2959 static int tap_threshold = PSM_TAP_THRESHOLD; 2960 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2961 "Button tap threshold"); 2962 static int tap_timeout = PSM_TAP_TIMEOUT; 2963 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2964 "Tap timeout for touchpads"); 2965 2966 /* Tunables */ 2967 SYSCTL_INT(_hw_psm, OID_AUTO, synaptics_support, CTLFLAG_RDTUN, 2968 &synaptics_support, 0, "Enable support for Synaptics touchpads"); 2969 2970 SYSCTL_INT(_hw_psm, OID_AUTO, trackpoint_support, CTLFLAG_RDTUN, 2971 &trackpoint_support, 0, "Enable support for IBM/Lenovo TrackPoint"); 2972 2973 SYSCTL_INT(_hw_psm, OID_AUTO, elantech_support, CTLFLAG_RDTUN, 2974 &elantech_support, 0, "Enable support for Elantech touchpads"); 2975 2976 SYSCTL_INT(_hw_psm, OID_AUTO, mux_disabled, CTLFLAG_RDTUN, 2977 &mux_disabled, 0, "Disable active multiplexing"); 2978 2979 static void 2980 psmintr(void *arg) 2981 { 2982 struct psm_softc *sc = arg; 2983 struct timeval now; 2984 int c; 2985 packetbuf_t *pb; 2986 2987 if (aux_mux_is_enabled(sc->kbdc)) 2988 VLOG(2, (LOG_DEBUG, "psmintr: active multiplexing mode is not " 2989 "supported!\n")); 2990 2991 /* read until there is nothing to read */ 2992 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2993 pb = &sc->pqueue[sc->pqueue_end]; 2994 2995 /* discard the byte if the device is not open */ 2996 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2997 continue; 2998 2999 getmicrouptime(&now); 3000 if ((pb->inputbytes > 0) && 3001 timevalcmp(&now, &sc->inputtimeout, >)) { 3002 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 3003 "resetting byte count\n")); 3004 pb->inputbytes = 0; 3005 sc->syncerrors = 0; 3006 sc->pkterrors = 0; 3007 } 3008 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 3009 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 3010 timevaladd(&sc->inputtimeout, &now); 3011 3012 pb->ipacket[pb->inputbytes++] = c; 3013 3014 if (sc->mode.level == PSM_LEVEL_NATIVE) { 3015 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 3016 sc->syncerrors = 0; 3017 sc->pkterrors = 0; 3018 goto next; 3019 } else { 3020 if (pb->inputbytes < sc->mode.packetsize) 3021 continue; 3022 3023 VLOG(4, (LOG_DEBUG, 3024 "psmintr: %02x %02x %02x %02x %02x %02x\n", 3025 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3026 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3027 } 3028 3029 c = pb->ipacket[0]; 3030 3031 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 3032 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 3033 sc->flags &= ~PSM_NEED_SYNCBITS; 3034 VLOG(2, (LOG_DEBUG, 3035 "psmintr: Sync bytes now %04x,%04x\n", 3036 sc->mode.syncmask[0], sc->mode.syncmask[1])); 3037 } else if ((sc->config & PSM_CONFIG_NOCHECKSYNC) == 0 && 3038 (c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 3039 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 3040 "(%04x != %04x) %d cmds since last error.\n", 3041 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 3042 sc->cmdcount - sc->lasterr)); 3043 sc->lasterr = sc->cmdcount; 3044 /* 3045 * The sync byte test is a weak measure of packet 3046 * validity. Conservatively discard any input yet 3047 * to be seen by userland when we detect a sync 3048 * error since there is a good chance some of 3049 * the queued packets have undetected errors. 3050 */ 3051 dropqueue(sc); 3052 if (sc->syncerrors == 0) 3053 sc->pkterrors++; 3054 ++sc->syncerrors; 3055 sc->lastinputerr = now; 3056 if (sc->syncerrors >= sc->mode.packetsize * 2 || 3057 sc->pkterrors >= pkterrthresh) { 3058 /* 3059 * If we've failed to find a single sync byte 3060 * in 2 packets worth of data, or we've seen 3061 * persistent packet errors during the 3062 * validation period, reinitialize the mouse 3063 * in hopes of returning it to the expected 3064 * mode. 3065 */ 3066 VLOG(3, (LOG_DEBUG, 3067 "psmintr: reset the mouse.\n")); 3068 reinitialize(sc, TRUE); 3069 } else if (sc->syncerrors == sc->mode.packetsize) { 3070 /* 3071 * Try a soft reset after searching for a sync 3072 * byte through a packet length of bytes. 3073 */ 3074 VLOG(3, (LOG_DEBUG, 3075 "psmintr: re-enable the mouse.\n")); 3076 pb->inputbytes = 0; 3077 disable_aux_dev(sc->kbdc); 3078 enable_aux_dev(sc->kbdc); 3079 } else { 3080 VLOG(3, (LOG_DEBUG, 3081 "psmintr: discard a byte (%d)\n", 3082 sc->syncerrors)); 3083 pb->inputbytes--; 3084 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3085 pb->inputbytes); 3086 } 3087 continue; 3088 } 3089 3090 /* 3091 * We have what appears to be a valid packet. 3092 * Reset the error counters. 3093 */ 3094 sc->syncerrors = 0; 3095 3096 /* 3097 * Drop even good packets if they occur within a timeout 3098 * period of a sync error. This allows the detection of 3099 * a change in the mouse's packet mode without exposing 3100 * erratic mouse behavior to the user. Some KVMs forget 3101 * enhanced mouse modes during switch events. 3102 */ 3103 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3104 &now)) { 3105 pb->inputbytes = 0; 3106 continue; 3107 } 3108 3109 /* 3110 * Now that we're out of the validation period, reset 3111 * the packet error count. 3112 */ 3113 sc->pkterrors = 0; 3114 3115 sc->cmdcount++; 3116 next: 3117 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3118 sc->pqueue_end = 0; 3119 /* 3120 * If we've filled the queue then call the softintr ourselves, 3121 * otherwise schedule the interrupt for later. 3122 * Do not postpone interrupts for absolute devices as it 3123 * affects tap detection timings. 3124 */ 3125 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS || 3126 sc->hw.model == MOUSE_MODEL_ELANTECH || 3127 !timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3128 (sc->pqueue_end == sc->pqueue_start)) { 3129 if ((sc->state & PSM_SOFTARMED) != 0) { 3130 sc->state &= ~PSM_SOFTARMED; 3131 callout_stop(&sc->softcallout); 3132 } 3133 psmsoftintr(arg); 3134 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3135 sc->state |= PSM_SOFTARMED; 3136 callout_reset(&sc->softcallout, 3137 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3138 } 3139 } 3140 } 3141 3142 static void 3143 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3144 int *x, int *y, int *z) 3145 { 3146 3147 /* 3148 * PS2++ protocol packet 3149 * 3150 * b7 b6 b5 b4 b3 b2 b1 b0 3151 * byte 1: * 1 p3 p2 1 * * * 3152 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3153 * 3154 * p3-p0: packet type 3155 * c1, c2: c1 & c2 == 1, if p2 == 0 3156 * c1 & c2 == 0, if p2 == 1 3157 * 3158 * packet type: 0 (device type) 3159 * See comments in enable_mmanplus() below. 3160 * 3161 * packet type: 1 (wheel data) 3162 * 3163 * b7 b6 b5 b4 b3 b2 b1 b0 3164 * byte 3: h * B5 B4 s d2 d1 d0 3165 * 3166 * h: 1, if horizontal roller data 3167 * 0, if vertical roller data 3168 * B4, B5: button 4 and 5 3169 * s: sign bit 3170 * d2-d0: roller data 3171 * 3172 * packet type: 2 (reserved) 3173 */ 3174 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3175 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3176 /* 3177 * the extended data packet encodes button 3178 * and wheel events 3179 */ 3180 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3181 case 1: 3182 /* wheel data packet */ 3183 *x = *y = 0; 3184 if (pb->ipacket[2] & 0x80) { 3185 /* XXX horizontal roller count - ignore it */ 3186 ; 3187 } else { 3188 /* vertical roller count */ 3189 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3190 (pb->ipacket[2] & 0x0f) - 16 : 3191 (pb->ipacket[2] & 0x0f); 3192 } 3193 ms->button |= (pb->ipacket[2] & 3194 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3195 MOUSE_BUTTON4DOWN : 0; 3196 ms->button |= (pb->ipacket[2] & 3197 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3198 MOUSE_BUTTON5DOWN : 0; 3199 break; 3200 case 2: 3201 /* 3202 * this packet type is reserved by 3203 * Logitech... 3204 */ 3205 /* 3206 * IBM ScrollPoint Mouse uses this 3207 * packet type to encode both vertical 3208 * and horizontal scroll movement. 3209 */ 3210 *x = *y = 0; 3211 /* horizontal count */ 3212 if (pb->ipacket[2] & 0x0f) 3213 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3214 -2 : 2; 3215 /* vertical count */ 3216 if (pb->ipacket[2] & 0xf0) 3217 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3218 -1 : 1; 3219 break; 3220 case 0: 3221 /* device type packet - shouldn't happen */ 3222 /* FALLTHROUGH */ 3223 default: 3224 *x = *y = 0; 3225 ms->button = ms->obutton; 3226 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3227 "type %d: 0x%02x 0x%02x 0x%02x\n", 3228 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3229 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3230 break; 3231 } 3232 } else { 3233 /* preserve button states */ 3234 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3235 } 3236 } 3237 3238 static int 3239 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3240 int *x, int *y, int *z) 3241 { 3242 static int touchpad_buttons; 3243 static int guest_buttons; 3244 static int ew_finger_count; 3245 static finger_t f[PSM_FINGERS]; 3246 int w, id, nfingers, palm, ewcode, extended_buttons, clickpad_pressed; 3247 3248 extended_buttons = 0; 3249 3250 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3251 * 3252 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3253 * ------------------------------------------------ 3254 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3255 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3256 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3257 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3258 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3259 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3260 * 3261 * Legend: 3262 * L: left physical mouse button 3263 * R: right physical mouse button 3264 * D: down button 3265 * U: up button 3266 * W: "wrist" value 3267 * X: x position 3268 * Y: y position 3269 * Z: pressure 3270 * 3271 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3272 * 3273 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3274 * ------------------------------------------------------ 3275 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3276 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3277 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3278 * 3279 * Legend: 3280 * M: Middle physical mouse button 3281 * E: Extended mouse buttons reported instead of low bits of X and Y 3282 * b1-b8: Extended mouse buttons 3283 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3284 * 4 and 5, for reading X and Y value they should be zeroed. 3285 * 3286 * Absolute reportable limits: 0 - 6143. 3287 * Typical bezel limits: 1472 - 5472. 3288 * Typical edge marings: 1632 - 5312. 3289 * 3290 * w = 3 Passthrough Packet 3291 * 3292 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3293 */ 3294 3295 if (!synaptics_support) 3296 return (0); 3297 3298 /* Sanity check for out of sync packets. */ 3299 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3300 (pb->ipacket[3] & 0xc8) != 0xc0) 3301 return (-1); 3302 3303 *x = *y = 0; 3304 ms->button = ms->obutton; 3305 3306 /* 3307 * Pressure value. 3308 * Interpretation: 3309 * z = 0 No finger contact 3310 * z = 10 Finger hovering near the pad 3311 * z = 30 Very light finger contact 3312 * z = 80 Normal finger contact 3313 * z = 110 Very heavy finger contact 3314 * z = 200 Finger lying flat on pad surface 3315 * z = 255 Maximum reportable Z 3316 */ 3317 *z = pb->ipacket[2]; 3318 3319 /* 3320 * Finger width value 3321 * Interpretation: 3322 * w = 0 Two finger on the pad (capMultiFinger needed) 3323 * w = 1 Three or more fingers (capMultiFinger needed) 3324 * w = 2 Pen (instead of finger) (capPen needed) 3325 * w = 3 Reserved (passthrough?) 3326 * w = 4-7 Finger of normal width (capPalmDetect needed) 3327 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3328 * w = 15 Maximum reportable width (capPalmDetect needed) 3329 */ 3330 /* XXX Is checking capExtended enough? */ 3331 if (sc->synhw.capExtended) 3332 w = ((pb->ipacket[0] & 0x30) >> 2) | 3333 ((pb->ipacket[0] & 0x04) >> 1) | 3334 ((pb->ipacket[3] & 0x04) >> 2); 3335 else { 3336 /* Assume a finger of regular width. */ 3337 w = 4; 3338 } 3339 3340 switch (w) { 3341 case 3: 3342 /* 3343 * Handle packets from the guest device. See: 3344 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3345 */ 3346 if (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX) { 3347 *x = ((pb->ipacket[1] & 0x10) ? 3348 pb->ipacket[4] - 256 : pb->ipacket[4]); 3349 *y = ((pb->ipacket[1] & 0x20) ? 3350 pb->ipacket[5] - 256 : pb->ipacket[5]); 3351 *z = 0; 3352 3353 guest_buttons = 0; 3354 if (pb->ipacket[1] & 0x01) 3355 guest_buttons |= MOUSE_BUTTON1DOWN; 3356 if (pb->ipacket[1] & 0x04) 3357 guest_buttons |= MOUSE_BUTTON2DOWN; 3358 if (pb->ipacket[1] & 0x02) 3359 guest_buttons |= MOUSE_BUTTON3DOWN; 3360 #ifdef EVDEV_SUPPORT 3361 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3362 evdev_push_rel(sc->evdev_r, REL_X, *x); 3363 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3364 evdev_push_mouse_btn(sc->evdev_r, 3365 guest_buttons | sc->extended_buttons); 3366 evdev_sync(sc->evdev_r); 3367 } 3368 #endif 3369 ms->button = touchpad_buttons | guest_buttons | 3370 sc->extended_buttons; 3371 } 3372 goto SYNAPTICS_END; 3373 3374 case 2: 3375 /* Handle Extended W mode packets */ 3376 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3377 #if PSM_FINGERS > 1 3378 switch (ewcode) { 3379 case 1: 3380 /* Secondary finger */ 3381 if (sc->synhw.capAdvancedGestures) 3382 f[1] = (finger_t) { 3383 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3384 pb->ipacket[1]) << 1, 3385 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3386 pb->ipacket[2]) << 1, 3387 .p = ((pb->ipacket[3] & 0x30) | 3388 (pb->ipacket[5] & 0x0f)) << 1, 3389 .w = PSM_FINGER_DEFAULT_W, 3390 .flags = PSM_FINGER_FUZZY, 3391 }; 3392 else if (sc->synhw.capReportsV) 3393 f[1] = (finger_t) { 3394 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3395 (pb->ipacket[1] & 0xfe)) << 1, 3396 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3397 (pb->ipacket[2] & 0xfe)) << 1, 3398 .p = ((pb->ipacket[3] & 0x30) | 3399 (pb->ipacket[5] & 0x0e)) << 1, 3400 .w = (((pb->ipacket[5] & 0x01) << 2) | 3401 ((pb->ipacket[2] & 0x01) << 1) | 3402 (pb->ipacket[1] & 0x01)) + 8, 3403 .flags = PSM_FINGER_FUZZY, 3404 }; 3405 break; 3406 case 2: 3407 ew_finger_count = pb->ipacket[1] & 0x0f; 3408 default: 3409 break; 3410 } 3411 #endif 3412 goto SYNAPTICS_END; 3413 3414 case 1: 3415 if (sc->synhw.capReportsV && ew_finger_count > 3) { 3416 nfingers = ew_finger_count; 3417 break; 3418 } 3419 /* FALLTHROUGH */ 3420 case 0: 3421 nfingers = w + 2; 3422 break; 3423 3424 default: 3425 nfingers = 1; 3426 } 3427 3428 if (sc->syninfo.touchpad_off) 3429 goto SYNAPTICS_END; 3430 3431 /* Button presses */ 3432 touchpad_buttons = 0; 3433 if (pb->ipacket[0] & 0x01) 3434 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3435 if (pb->ipacket[0] & 0x02) 3436 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3437 3438 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3439 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3440 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3441 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3442 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3443 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3444 !sc->synhw.capClickPad) { 3445 /* Middle Button */ 3446 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3447 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3448 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3449 /* Extended Buttons */ 3450 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3451 if (sc->syninfo.directional_scrolls) { 3452 if (pb->ipacket[4] & 0x01) 3453 extended_buttons |= MOUSE_BUTTON4DOWN; 3454 if (pb->ipacket[5] & 0x01) 3455 extended_buttons |= MOUSE_BUTTON5DOWN; 3456 if (pb->ipacket[4] & 0x02) 3457 extended_buttons |= MOUSE_BUTTON6DOWN; 3458 if (pb->ipacket[5] & 0x02) 3459 extended_buttons |= MOUSE_BUTTON7DOWN; 3460 } else { 3461 if (pb->ipacket[4] & 0x01) 3462 extended_buttons |= MOUSE_BUTTON1DOWN; 3463 if (pb->ipacket[5] & 0x01) 3464 extended_buttons |= MOUSE_BUTTON3DOWN; 3465 if (pb->ipacket[4] & 0x02) 3466 extended_buttons |= MOUSE_BUTTON2DOWN; 3467 sc->extended_buttons = extended_buttons; 3468 } 3469 3470 /* 3471 * Zero out bits used by extended buttons to avoid 3472 * misinterpretation of the data absolute position. 3473 * 3474 * The bits represented by 3475 * 3476 * (nExtendedButtons + 1) >> 1 3477 * 3478 * will be masked out in both bytes. 3479 * The mask for n bits is computed with the formula 3480 * 3481 * (1 << n) - 1 3482 */ 3483 int maskedbits = 0; 3484 int mask = 0; 3485 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3486 mask = (1 << maskedbits) - 1; 3487 #ifdef EVDEV_SUPPORT 3488 int i; 3489 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3490 if (sc->synhw.capPassthrough) { 3491 evdev_push_mouse_btn(sc->evdev_r, 3492 extended_buttons); 3493 evdev_sync(sc->evdev_r); 3494 } 3495 for (i = 0; i < maskedbits; i++) { 3496 evdev_push_key(sc->evdev_a, 3497 BTN_0 + i * 2, 3498 pb->ipacket[4] & (1 << i)); 3499 evdev_push_key(sc->evdev_a, 3500 BTN_0 + i * 2 + 1, 3501 pb->ipacket[5] & (1 << i)); 3502 } 3503 } 3504 #endif 3505 pb->ipacket[4] &= ~(mask); 3506 pb->ipacket[5] &= ~(mask); 3507 } else if (!sc->syninfo.directional_scrolls && 3508 !sc->gesture.in_vscroll) { 3509 /* 3510 * Keep reporting MOUSE DOWN until we get a new packet 3511 * indicating otherwise. 3512 */ 3513 extended_buttons |= sc->extended_buttons; 3514 } 3515 } 3516 3517 if (sc->synhw.capReportsV && nfingers > 1) 3518 f[0] = (finger_t) { 3519 .x = ((pb->ipacket[3] & 0x10) << 8) | 3520 ((pb->ipacket[1] & 0x0f) << 8) | 3521 (pb->ipacket[4] & 0xfd), 3522 .y = ((pb->ipacket[3] & 0x20) << 7) | 3523 ((pb->ipacket[1] & 0xf0) << 4) | 3524 (pb->ipacket[5] & 0xfd), 3525 .p = *z & 0xfe, 3526 .w = (((pb->ipacket[2] & 0x01) << 2) | 3527 (pb->ipacket[5] & 0x02) | 3528 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3529 .flags = PSM_FINGER_FUZZY, 3530 }; 3531 else 3532 f[0] = (finger_t) { 3533 .x = ((pb->ipacket[3] & 0x10) << 8) | 3534 ((pb->ipacket[1] & 0x0f) << 8) | 3535 pb->ipacket[4], 3536 .y = ((pb->ipacket[3] & 0x20) << 7) | 3537 ((pb->ipacket[1] & 0xf0) << 4) | 3538 pb->ipacket[5], 3539 .p = *z, 3540 .w = w, 3541 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3542 }; 3543 3544 /* Ignore hovering and unmeasurable touches */ 3545 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3546 nfingers = 0; 3547 3548 /* Handle ClickPad */ 3549 if (sc->synhw.capClickPad) { 3550 clickpad_pressed = (pb->ipacket[0] ^ pb->ipacket[3]) & 0x01; 3551 if (sc->synhw.forcePad) { 3552 /* 3553 * Forcepads erroneously report button click if there 3554 * are 2 or more fingers on the touchpad breaking 3555 * multifinger gestures. To workaround this start 3556 * reporting a click only after 4 consecutive single 3557 * touch packets has been received. 3558 * Skip these packets in case more contacts appear. 3559 */ 3560 switch (nfingers) { 3561 case 0: 3562 sc->fpcount = 0; 3563 break; 3564 case 1: 3565 if (clickpad_pressed && sc->fpcount < INT_MAX) 3566 ++sc->fpcount; 3567 /* FALLTHROUGH */ 3568 default: 3569 if (!clickpad_pressed) 3570 sc->fpcount = 0; 3571 if (sc->fpcount >= sc->syninfo.window_min) 3572 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3573 } 3574 } else if (clickpad_pressed) 3575 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3576 } 3577 3578 for (id = 0; id < PSM_FINGERS; id++) 3579 if (id >= nfingers) 3580 PSM_FINGER_RESET(f[id]); 3581 3582 #ifdef EVDEV_SUPPORT 3583 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3584 for (id = 0; id < PSM_FINGERS; id++) 3585 if (PSM_FINGER_IS_SET(f[id])) 3586 psm_push_mt_finger(sc, id, &f[id]); 3587 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3588 evdev_push_nfingers(sc->evdev_a, nfingers); 3589 if (nfingers > 0) 3590 psm_push_st_finger(sc, &f[0]); 3591 else 3592 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3593 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3594 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3595 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3596 touchpad_buttons & MOUSE_BUTTON4DOWN); 3597 evdev_push_key(sc->evdev_a, BTN_BACK, 3598 touchpad_buttons & MOUSE_BUTTON5DOWN); 3599 } 3600 evdev_sync(sc->evdev_a); 3601 } 3602 #endif 3603 3604 ms->button = touchpad_buttons; 3605 3606 palm = psmpalmdetect(sc, &f[0], nfingers); 3607 3608 /* Palm detection doesn't terminate the current action. */ 3609 if (!palm) 3610 psmgestures(sc, &f[0], nfingers, ms); 3611 3612 for (id = 0; id < PSM_FINGERS; id++) 3613 psmsmoother(sc, &f[id], id, ms, x, y); 3614 3615 if (palm) { 3616 *x = *y = *z = 0; 3617 ms->button = ms->obutton; 3618 return (0); 3619 } 3620 3621 ms->button |= extended_buttons | guest_buttons; 3622 3623 SYNAPTICS_END: 3624 /* 3625 * Use the extra buttons as a scrollwheel 3626 * 3627 * XXX X.Org uses the Z axis for vertical wheel only, 3628 * whereas moused(8) understands special values to differ 3629 * vertical and horizontal wheels. 3630 * 3631 * xf86-input-mouse needs therefore a small patch to 3632 * understand these special values. Without it, the 3633 * horizontal wheel acts as a vertical wheel in X.Org. 3634 * 3635 * That's why the horizontal wheel is disabled by 3636 * default for now. 3637 */ 3638 if (ms->button & MOUSE_BUTTON4DOWN) 3639 *z = -1; 3640 else if (ms->button & MOUSE_BUTTON5DOWN) 3641 *z = 1; 3642 else if (ms->button & MOUSE_BUTTON6DOWN) 3643 *z = -2; 3644 else if (ms->button & MOUSE_BUTTON7DOWN) 3645 *z = 2; 3646 else 3647 *z = 0; 3648 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3649 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3650 3651 return (0); 3652 } 3653 3654 static int 3655 proc_synaptics_mux(struct psm_softc *sc, packetbuf_t *pb) 3656 { 3657 int butt; 3658 3659 /* 3660 * Convert 3-byte interleaved mixture of Synaptics and generic mouse 3661 * packets into plain 6-byte Synaptics packet protocol. 3662 * While in hidden multiplexing mode KBC does some editing of the 3663 * packet stream. It remembers the button bits from the last packet 3664 * received from each device, and replaces the button bits of every 3665 * packet with the logical OR of all devices’ most recent button bits. 3666 * This button crosstalk should be filtered out as Synaptics and 3667 * generic mouse encode middle button presses in a different way. 3668 */ 3669 switch (pb->ipacket[0] & 0xc0) { 3670 case 0x80: /* First 3 bytes of Synaptics packet */ 3671 bcopy(pb->ipacket, sc->muxsave, 3); 3672 /* Compute middle mouse button supression timeout. */ 3673 sc->muxmidtimeout.tv_sec = 0; 3674 sc->muxmidtimeout.tv_usec = 50000; /* ~2-3 ints */ 3675 timevaladd(&sc->muxmidtimeout, &sc->lastsoftintr); 3676 return (1); 3677 3678 case 0xc0: /* Second 3 bytes of Synaptics packet */ 3679 /* Join two 3-bytes absolute packets */ 3680 bcopy(pb->ipacket, pb->ipacket + 3, 3); 3681 bcopy(sc->muxsave, pb->ipacket, 3); 3682 /* Prefer trackpoint buttons over touchpad's */ 3683 pb->ipacket[0] &= ~(0x08 | sc->muxmsbuttons); 3684 pb->ipacket[3] &= ~(0x08 | sc->muxmsbuttons); 3685 butt = (pb->ipacket[3] & 0x03) << 2 | (pb->ipacket[0] & 0x03); 3686 /* Add hysteresis to remove spurious middle button events */ 3687 if (butt != sc->muxtpbuttons && sc->fpcount < 1) { 3688 pb->ipacket[0] &= 0xfc; 3689 pb->ipacket[0] |= sc->muxtpbuttons & 0x03; 3690 pb->ipacket[3] &= 0xfc; 3691 pb->ipacket[3] |= sc->muxtpbuttons >> 2 & 0x03; 3692 ++sc->fpcount; 3693 } else { 3694 sc->fpcount = 0; 3695 sc->muxtpbuttons = butt; 3696 } 3697 /* Filter out impossible w induced by middle trackpoint btn */ 3698 if (sc->synhw.capExtended && !sc->synhw.capPassthrough && 3699 (pb->ipacket[0] & 0x34) == 0x04 && 3700 (pb->ipacket[3] & 0x04) == 0x04) { 3701 pb->ipacket[0] &= 0xfb; 3702 pb->ipacket[3] &= 0xfb; 3703 } 3704 sc->muxsave[0] &= 0x30; 3705 break; 3706 3707 default: /* Generic mouse (Trackpoint) packet */ 3708 /* Filter out middle button events induced by some w values */ 3709 if (sc->muxmsbuttons & 0x03 || pb->ipacket[0] & 0x03 || 3710 (timevalcmp(&sc->lastsoftintr, &sc->muxmidtimeout, <=) && 3711 (sc->muxsave[0] & 0x30 || sc->muxsave[2] > 8))) 3712 pb->ipacket[0] &= 0xfb; 3713 sc->muxmsbuttons = pb->ipacket[0] & 0x07; 3714 /* Convert to Synaptics pass-through protocol */ 3715 pb->ipacket[4] = pb->ipacket[1]; 3716 pb->ipacket[5] = pb->ipacket[2]; 3717 pb->ipacket[1] = pb->ipacket[0]; 3718 pb->ipacket[2] = 0; 3719 pb->ipacket[0] = 0x84 | (sc->muxtpbuttons & 0x03); 3720 pb->ipacket[3] = 0xc4 | (sc->muxtpbuttons >> 2 & 0x03); 3721 } 3722 3723 VLOG(4, (LOG_DEBUG, "synaptics: %02x %02x %02x %02x %02x %02x\n", 3724 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3725 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3726 3727 pb->inputbytes = MOUSE_SYNAPTICS_PACKETSIZE; 3728 return (0); 3729 } 3730 3731 static int 3732 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3733 { 3734 if (!( 3735 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3736 !sc->synhw.capReportsV && nfingers > 1) || 3737 (sc->synhw.capReportsV && nfingers > 2) || 3738 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3739 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3740 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3741 /* 3742 * We consider the packet irrelevant for the current 3743 * action when: 3744 * - the width isn't comprised in: 3745 * [1; max_width] 3746 * - the pressure isn't comprised in: 3747 * [min_pressure; max_pressure] 3748 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3749 */ 3750 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3751 return (1); 3752 } 3753 return (0); 3754 } 3755 3756 static void 3757 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3758 mousestatus_t *ms) 3759 { 3760 smoother_t *smoother; 3761 gesture_t *gest; 3762 finger_t *f; 3763 int y_ok, center_button, center_x, right_button, right_x, i; 3764 3765 f = &fingers[0]; 3766 smoother = &sc->smoother[0]; 3767 gest = &sc->gesture; 3768 3769 /* Find first active finger. */ 3770 if (nfingers > 0) { 3771 for (i = 0; i < PSM_FINGERS; i++) { 3772 if (PSM_FINGER_IS_SET(fingers[i])) { 3773 f = &fingers[i]; 3774 smoother = &sc->smoother[i]; 3775 break; 3776 } 3777 } 3778 } 3779 3780 /* 3781 * Check pressure to detect a real wanted action on the 3782 * touchpad. 3783 */ 3784 if (f->p >= sc->syninfo.min_pressure) { 3785 int x0, y0; 3786 int dxp, dyp; 3787 int start_x, start_y; 3788 int queue_len; 3789 int margin_top, margin_right, margin_bottom, margin_left; 3790 int window_min, window_max; 3791 int vscroll_hor_area, vscroll_ver_area; 3792 int two_finger_scroll; 3793 int max_x, max_y; 3794 int three_finger_drag; 3795 3796 /* Read sysctl. */ 3797 /* XXX Verify values? */ 3798 margin_top = sc->syninfo.margin_top; 3799 margin_right = sc->syninfo.margin_right; 3800 margin_bottom = sc->syninfo.margin_bottom; 3801 margin_left = sc->syninfo.margin_left; 3802 window_min = sc->syninfo.window_min; 3803 window_max = sc->syninfo.window_max; 3804 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3805 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3806 two_finger_scroll = sc->syninfo.two_finger_scroll; 3807 max_x = sc->syninfo.max_x; 3808 max_y = sc->syninfo.max_y; 3809 three_finger_drag = sc->syninfo.three_finger_drag; 3810 /* Read current absolute position. */ 3811 x0 = f->x; 3812 y0 = f->y; 3813 3814 /* 3815 * Limit the coordinates to the specified margins because 3816 * this area isn't very reliable. 3817 */ 3818 if (x0 <= margin_left) 3819 x0 = margin_left; 3820 else if (x0 >= max_x - margin_right) 3821 x0 = max_x - margin_right; 3822 if (y0 <= margin_bottom) 3823 y0 = margin_bottom; 3824 else if (y0 >= max_y - margin_top) 3825 y0 = max_y - margin_top; 3826 3827 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3828 x0, y0, f->p, f->w)); 3829 3830 /* 3831 * If the action is just beginning, init the structure and 3832 * compute tap timeout. 3833 */ 3834 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3835 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3836 3837 /* Initialize queue. */ 3838 gest->window_min = window_min; 3839 3840 /* Reset pressure peak. */ 3841 gest->zmax = 0; 3842 3843 /* Reset fingers count. */ 3844 gest->fingers_nb = 0; 3845 3846 /* Reset virtual scrolling state. */ 3847 gest->in_vscroll = 0; 3848 3849 /* Compute tap timeout. */ 3850 if (tap_enabled != 0) { 3851 gest->taptimeout = (struct timeval) { 3852 .tv_sec = tap_timeout / 1000000, 3853 .tv_usec = tap_timeout % 1000000, 3854 }; 3855 timevaladd( 3856 &gest->taptimeout, &sc->lastsoftintr); 3857 } else 3858 timevalclear(&gest->taptimeout); 3859 3860 sc->flags |= PSM_FLAGS_FINGERDOWN; 3861 3862 /* Smoother has not been reset yet */ 3863 queue_len = 1; 3864 start_x = x0; 3865 start_y = y0; 3866 } else { 3867 queue_len = smoother->queue_len + 1; 3868 start_x = smoother->start_x; 3869 start_y = smoother->start_y; 3870 } 3871 3872 /* Process ClickPad softbuttons */ 3873 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3874 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3875 start_y < sc->syninfo.softbuttons_y : 3876 start_y > max_y + sc->syninfo.softbuttons_y; 3877 3878 center_button = MOUSE_BUTTON2DOWN; 3879 center_x = sc->syninfo.softbutton2_x; 3880 right_button = MOUSE_BUTTON3DOWN; 3881 right_x = sc->syninfo.softbutton3_x; 3882 3883 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3884 center_button = MOUSE_BUTTON3DOWN; 3885 center_x = sc->syninfo.softbutton3_x; 3886 right_button = MOUSE_BUTTON2DOWN; 3887 right_x = sc->syninfo.softbutton2_x; 3888 } 3889 3890 if (right_x > 0 && start_x > right_x && y_ok) 3891 ms->button = (ms->button & 3892 ~MOUSE_BUTTON1DOWN) | right_button; 3893 else if (center_x > 0 && start_x > center_x && y_ok) 3894 ms->button = (ms->button & 3895 ~MOUSE_BUTTON1DOWN) | center_button; 3896 } 3897 3898 /* If in tap-hold or three fingers, add the recorded button. */ 3899 if (gest->in_taphold || (nfingers == 3 && three_finger_drag)) 3900 ms->button |= gest->tap_button; 3901 3902 /* 3903 * For tap, we keep the maximum number of fingers and the 3904 * pressure peak. Also with multiple fingers, we increase 3905 * the minimum window. 3906 */ 3907 if (nfingers > 1) 3908 gest->window_min = window_max; 3909 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3910 gest->zmax = imax(f->p, gest->zmax); 3911 3912 /* Do we have enough packets to consider this a gesture? */ 3913 if (queue_len < gest->window_min) 3914 return; 3915 3916 dyp = -1; 3917 dxp = -1; 3918 3919 /* Is a scrolling action occurring? */ 3920 if (!gest->in_taphold && !ms->button && 3921 (!gest->in_vscroll || two_finger_scroll)) { 3922 /* 3923 * A scrolling action must not conflict with a tap 3924 * action. Here are the conditions to consider a 3925 * scrolling action: 3926 * - the action in a configurable area 3927 * - one of the following: 3928 * . the distance between the last packet and the 3929 * first should be above a configurable minimum 3930 * . tap timed out 3931 */ 3932 dxp = abs(x0 - start_x); 3933 dyp = abs(y0 - start_y); 3934 3935 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3936 dxp >= sc->syninfo.vscroll_min_delta || 3937 dyp >= sc->syninfo.vscroll_min_delta) { 3938 /* 3939 * Handle two finger scrolling. 3940 * Note that we don't rely on fingers_nb 3941 * as that keeps the maximum number of fingers. 3942 */ 3943 if (two_finger_scroll) { 3944 if (nfingers == 2) { 3945 gest->in_vscroll += 3946 dyp ? 2 : 0; 3947 gest->in_vscroll += 3948 dxp ? 1 : 0; 3949 } 3950 } else { 3951 /* Check for horizontal scrolling. */ 3952 if ((vscroll_hor_area > 0 && 3953 start_y <= vscroll_hor_area) || 3954 (vscroll_hor_area < 0 && 3955 start_y >= 3956 max_y + vscroll_hor_area)) 3957 gest->in_vscroll += 2; 3958 3959 /* Check for vertical scrolling. */ 3960 if ((vscroll_ver_area > 0 && 3961 start_x <= vscroll_ver_area) || 3962 (vscroll_ver_area < 0 && 3963 start_x >= 3964 max_x + vscroll_ver_area)) 3965 gest->in_vscroll += 1; 3966 } 3967 3968 /* Avoid conflicts if area overlaps. */ 3969 if (gest->in_vscroll >= 3) 3970 gest->in_vscroll = 3971 (dxp > dyp) ? 2 : 1; 3972 } 3973 } 3974 /* 3975 * Reset two finger scrolling when the number of fingers 3976 * is different from two or any button is pressed. 3977 */ 3978 if (two_finger_scroll && gest->in_vscroll != 0 && 3979 (nfingers != 2 || ms->button)) 3980 gest->in_vscroll = 0; 3981 3982 VLOG(5, (LOG_DEBUG, 3983 "synaptics: virtual scrolling: %s " 3984 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3985 gest->in_vscroll ? "YES" : "NO", 3986 gest->in_vscroll, dxp, dyp, 3987 gest->fingers_nb)); 3988 3989 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3990 /* 3991 * An action is currently taking place but the pressure 3992 * dropped under the minimum, putting an end to it. 3993 */ 3994 int taphold_timeout, dx, dy, tap_max_delta; 3995 3996 dx = abs(smoother->queue[smoother->queue_cursor].x - 3997 smoother->start_x); 3998 dy = abs(smoother->queue[smoother->queue_cursor].y - 3999 smoother->start_y); 4000 4001 /* Max delta is disabled for multi-fingers tap. */ 4002 if (gest->fingers_nb > 1) 4003 tap_max_delta = imax(dx, dy); 4004 else 4005 tap_max_delta = sc->syninfo.tap_max_delta; 4006 4007 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4008 4009 /* Check for tap. */ 4010 VLOG(3, (LOG_DEBUG, 4011 "synaptics: zmax=%d, dx=%d, dy=%d, " 4012 "delta=%d, fingers=%d, queue=%d\n", 4013 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 4014 smoother->queue_len)); 4015 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 4016 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 4017 dx <= tap_max_delta && dy <= tap_max_delta && 4018 smoother->queue_len >= sc->syninfo.tap_min_queue) { 4019 /* 4020 * We have a tap if: 4021 * - the maximum pressure went over tap_threshold 4022 * - the action ended before tap_timeout 4023 * 4024 * To handle tap-hold, we must delay any button push to 4025 * the next action. 4026 */ 4027 if (gest->in_taphold) { 4028 /* 4029 * This is the second and last tap of a 4030 * double tap action, not a tap-hold. 4031 */ 4032 gest->in_taphold = 0; 4033 4034 /* 4035 * For double-tap to work: 4036 * - no button press is emitted (to 4037 * simulate a button release) 4038 * - PSM_FLAGS_FINGERDOWN is set to 4039 * force the next packet to emit a 4040 * button press) 4041 */ 4042 VLOG(2, (LOG_DEBUG, 4043 "synaptics: button RELEASE: %d\n", 4044 gest->tap_button)); 4045 sc->flags |= PSM_FLAGS_FINGERDOWN; 4046 4047 /* Schedule button press on next interrupt */ 4048 sc->idletimeout.tv_sec = psmhz > 1 ? 4049 0 : 1; 4050 sc->idletimeout.tv_usec = psmhz > 1 ? 4051 1000000 / psmhz : 0; 4052 } else { 4053 /* 4054 * This is the first tap: we set the 4055 * tap-hold state and notify the button 4056 * down event. 4057 */ 4058 gest->in_taphold = 1; 4059 taphold_timeout = sc->syninfo.taphold_timeout; 4060 gest->taptimeout.tv_sec = taphold_timeout / 4061 1000000; 4062 gest->taptimeout.tv_usec = taphold_timeout % 4063 1000000; 4064 sc->idletimeout = gest->taptimeout; 4065 timevaladd(&gest->taptimeout, 4066 &sc->lastsoftintr); 4067 4068 switch (gest->fingers_nb) { 4069 case 3: 4070 gest->tap_button = 4071 MOUSE_BUTTON2DOWN; 4072 break; 4073 case 2: 4074 gest->tap_button = 4075 MOUSE_BUTTON3DOWN; 4076 break; 4077 default: 4078 gest->tap_button = 4079 MOUSE_BUTTON1DOWN; 4080 } 4081 VLOG(2, (LOG_DEBUG, 4082 "synaptics: button PRESS: %d\n", 4083 gest->tap_button)); 4084 ms->button |= gest->tap_button; 4085 } 4086 } else { 4087 /* 4088 * Not enough pressure or timeout: reset 4089 * tap-hold state. 4090 */ 4091 if (gest->in_taphold) { 4092 VLOG(2, (LOG_DEBUG, 4093 "synaptics: button RELEASE: %d\n", 4094 gest->tap_button)); 4095 gest->in_taphold = 0; 4096 } else { 4097 VLOG(2, (LOG_DEBUG, 4098 "synaptics: not a tap-hold\n")); 4099 } 4100 } 4101 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 4102 /* 4103 * For a tap-hold to work, the button must remain down at 4104 * least until timeout (where the in_taphold flags will be 4105 * cleared) or during the next action. 4106 */ 4107 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 4108 ms->button |= gest->tap_button; 4109 } else { 4110 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 4111 gest->tap_button)); 4112 gest->in_taphold = 0; 4113 } 4114 } 4115 4116 return; 4117 } 4118 4119 static void 4120 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 4121 mousestatus_t *ms, int *x, int *y) 4122 { 4123 smoother_t *smoother = &sc->smoother[smoother_id]; 4124 gesture_t *gest = &(sc->gesture); 4125 4126 /* 4127 * Check pressure to detect a real wanted action on the 4128 * touchpad. 4129 */ 4130 if (f->p >= sc->syninfo.min_pressure) { 4131 int x0, y0; 4132 int cursor, peer, window; 4133 int dx, dy, dxp, dyp; 4134 int margin_top, margin_right, margin_bottom, margin_left; 4135 int na_top, na_right, na_bottom, na_left; 4136 int window_max; 4137 int multiplicator; 4138 int weight_current, weight_previous, weight_len_squared; 4139 int div_min, div_max, div_len; 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 margin_top = sc->syninfo.margin_top; 4150 margin_right = sc->syninfo.margin_right; 4151 margin_bottom = sc->syninfo.margin_bottom; 4152 margin_left = sc->syninfo.margin_left; 4153 na_top = sc->syninfo.na_top; 4154 na_right = sc->syninfo.na_right; 4155 na_bottom = sc->syninfo.na_bottom; 4156 na_left = sc->syninfo.na_left; 4157 window_max = sc->syninfo.window_max; 4158 multiplicator = sc->syninfo.multiplicator; 4159 weight_current = sc->syninfo.weight_current; 4160 weight_previous = sc->syninfo.weight_previous; 4161 weight_len_squared = sc->syninfo.weight_len_squared; 4162 div_min = sc->syninfo.div_min; 4163 div_max = sc->syninfo.div_max; 4164 div_len = sc->syninfo.div_len; 4165 two_finger_scroll = sc->syninfo.two_finger_scroll; 4166 max_x = sc->syninfo.max_x; 4167 max_y = sc->syninfo.max_y; 4168 natural_scroll = sc->syninfo.natural_scroll; 4169 4170 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 4171 4172 /* Read current absolute position. */ 4173 x0 = f->x; 4174 y0 = f->y; 4175 4176 /* 4177 * Limit the coordinates to the specified margins because 4178 * this area isn't very reliable. 4179 */ 4180 if (x0 <= margin_left) 4181 x0 = margin_left; 4182 else if (x0 >= max_x - margin_right) 4183 x0 = max_x - margin_right; 4184 if (y0 <= margin_bottom) 4185 y0 = margin_bottom; 4186 else if (y0 >= max_y - margin_top) 4187 y0 = max_y - margin_top; 4188 4189 /* If the action is just beginning, init the structure. */ 4190 if (smoother->active == 0) { 4191 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4192 4193 /* Store the first point of this action. */ 4194 smoother->start_x = x0; 4195 smoother->start_y = y0; 4196 dx = dy = 0; 4197 4198 /* Initialize queue. */ 4199 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4200 smoother->queue_len = 0; 4201 4202 /* Reset average. */ 4203 smoother->avg_dx = 0; 4204 smoother->avg_dy = 0; 4205 4206 /* Reset squelch. */ 4207 smoother->squelch_x = 0; 4208 smoother->squelch_y = 0; 4209 4210 /* Activate queue */ 4211 smoother->active = 1; 4212 } else { 4213 /* Calculate the current delta. */ 4214 cursor = smoother->queue_cursor; 4215 dx = x0 - smoother->queue[cursor].x; 4216 dy = y0 - smoother->queue[cursor].y; 4217 } 4218 4219 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4220 smoother_id, x0, y0, f->p, f->w)); 4221 4222 /* Queue this new packet. */ 4223 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4224 smoother->queue[cursor].x = x0; 4225 smoother->queue[cursor].y = y0; 4226 smoother->queue_cursor = cursor; 4227 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4228 smoother->queue_len++; 4229 VLOG(5, (LOG_DEBUG, 4230 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4231 smoother_id, cursor, x0, y0, dx, dy)); 4232 4233 /* Do we have enough packets to consider this a movement? */ 4234 if (smoother->queue_len < gest->window_min) 4235 return; 4236 4237 weight_prev_x = weight_prev_y = weight_previous; 4238 div_max_x = div_max_y = div_max; 4239 4240 if (gest->in_vscroll) { 4241 /* Dividers are different with virtual scrolling. */ 4242 div_min = sc->syninfo.vscroll_div_min; 4243 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4244 } else { 4245 /* 4246 * There's a lot of noise in coordinates when 4247 * the finger is on the touchpad's borders. When 4248 * using this area, we apply a special weight and 4249 * div. 4250 */ 4251 if (x0 <= na_left || x0 >= max_x - na_right) { 4252 weight_prev_x = sc->syninfo.weight_previous_na; 4253 div_max_x = sc->syninfo.div_max_na; 4254 } 4255 4256 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4257 weight_prev_y = sc->syninfo.weight_previous_na; 4258 div_max_y = sc->syninfo.div_max_na; 4259 } 4260 } 4261 4262 /* 4263 * Calculate weights for the average operands and 4264 * the divisor. Both depend on the distance between 4265 * the current packet and a previous one (based on the 4266 * window width). 4267 */ 4268 window = imin(smoother->queue_len, window_max); 4269 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4270 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4271 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4272 len = (dxp * dxp) + (dyp * dyp); 4273 weight_prev_x = imin(weight_prev_x, 4274 weight_len_squared * weight_prev_x / len); 4275 weight_prev_y = imin(weight_prev_y, 4276 weight_len_squared * weight_prev_y / len); 4277 4278 len = (dxp + dyp) / 2; 4279 div_x = div_len * div_max_x / len; 4280 div_x = imin(div_max_x, div_x); 4281 div_x = imax(div_min, div_x); 4282 div_y = div_len * div_max_y / len; 4283 div_y = imin(div_max_y, div_y); 4284 div_y = imax(div_min, div_y); 4285 4286 VLOG(3, (LOG_DEBUG, 4287 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4288 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4289 div_x, div_y)); 4290 4291 /* Compute averages. */ 4292 smoother->avg_dx = 4293 (weight_current * dx * multiplicator + 4294 weight_prev_x * smoother->avg_dx) / 4295 (weight_current + weight_prev_x); 4296 4297 smoother->avg_dy = 4298 (weight_current * dy * multiplicator + 4299 weight_prev_y * smoother->avg_dy) / 4300 (weight_current + weight_prev_y); 4301 4302 VLOG(5, (LOG_DEBUG, 4303 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4304 smoother->avg_dx / multiplicator, 4305 smoother->avg_dy / multiplicator)); 4306 4307 /* Use these averages to calculate x & y. */ 4308 smoother->squelch_x += smoother->avg_dx; 4309 dxp = smoother->squelch_x / (div_x * multiplicator); 4310 smoother->squelch_x = smoother->squelch_x % 4311 (div_x * multiplicator); 4312 4313 smoother->squelch_y += smoother->avg_dy; 4314 dyp = smoother->squelch_y / (div_y * multiplicator); 4315 smoother->squelch_y = smoother->squelch_y % 4316 (div_y * multiplicator); 4317 4318 switch(gest->in_vscroll) { 4319 case 0: /* Pointer movement. */ 4320 /* On real<->fuzzy finger switch the x/y pos jumps */ 4321 if (is_fuzzy == smoother->is_fuzzy) { 4322 *x += dxp; 4323 *y += dyp; 4324 } 4325 4326 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4327 smoother_id, dx, dy, dxp, dyp)); 4328 break; 4329 case 1: /* Vertical scrolling. */ 4330 if (dyp != 0) { 4331 if (two_finger_scroll && natural_scroll) 4332 ms->button |= (dyp > 0) ? 4333 MOUSE_BUTTON5DOWN : MOUSE_BUTTON4DOWN; 4334 else 4335 ms->button |= (dyp > 0) ? 4336 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4337 } 4338 break; 4339 case 2: /* Horizontal scrolling. */ 4340 if (dxp != 0) { 4341 if (two_finger_scroll && natural_scroll) 4342 ms->button |= (dxp > 0) ? 4343 MOUSE_BUTTON6DOWN : MOUSE_BUTTON7DOWN; 4344 else 4345 ms->button |= (dxp > 0) ? 4346 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4347 } 4348 break; 4349 } 4350 4351 smoother->is_fuzzy = is_fuzzy; 4352 4353 } else { 4354 /* 4355 * Deactivate queue. Note: We can not just reset queue here 4356 * as these values are still used by gesture processor. 4357 * So postpone reset till next touch. 4358 */ 4359 smoother->active = 0; 4360 } 4361 } 4362 4363 static int 4364 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4365 int *x, int *y, int *z) 4366 { 4367 static int touchpad_button, trackpoint_button; 4368 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4369 int pkt, id, scale, i, nfingers, mask, palm; 4370 4371 if (!elantech_support) 4372 return (0); 4373 4374 /* Determine packet format and do a sanity check for out of sync packets. */ 4375 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4376 pkt = ELANTECH_PKT_NOP; 4377 else if (sc->elanhw.hastrackpoint && ELANTECH_PKT_IS_TRACKPOINT(pb)) 4378 pkt = ELANTECH_PKT_TRACKPOINT; 4379 else 4380 switch (sc->elanhw.hwversion) { 4381 case 2: 4382 if (!ELANTECH_PKT_IS_V2(pb)) 4383 return (-1); 4384 4385 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4386 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4387 break; 4388 case 3: 4389 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4390 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4391 return (-1); 4392 4393 pkt = ELANTECH_PKT_V3; 4394 break; 4395 case 4: 4396 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4397 return (-1); 4398 4399 switch (pb->ipacket[3] & 0x03) { 4400 case 0x00: 4401 pkt = ELANTECH_PKT_V4_STATUS; 4402 break; 4403 case 0x01: 4404 pkt = ELANTECH_PKT_V4_HEAD; 4405 break; 4406 case 0x02: 4407 pkt = ELANTECH_PKT_V4_MOTION; 4408 break; 4409 default: 4410 return (-1); 4411 } 4412 break; 4413 default: 4414 return (-1); 4415 } 4416 4417 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4418 4419 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4420 PSM_FINGER_RESET(f[id]); 4421 4422 *x = *y = *z = 0; 4423 ms->button = ms->obutton; 4424 4425 if (sc->syninfo.touchpad_off && pkt != ELANTECH_PKT_TRACKPOINT) 4426 return (0); 4427 4428 /* Common legend 4429 * L: Left mouse button pressed 4430 * R: Right mouse button pressed 4431 * N: number of fingers on touchpad 4432 * X: absolute x value (horizontal) 4433 * Y: absolute y value (vertical) 4434 * W; width of the finger touch 4435 * P: pressure 4436 */ 4437 switch (pkt) { 4438 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4439 /* 7 6 5 4 3 2 1 0 (LSB) 4440 * ------------------------------------------- 4441 * ipacket[0]: N1 N0 W3 W2 . . R L 4442 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4443 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4444 * ipacket[3]: N4 VF W1 W0 . . . B2 4445 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4446 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4447 * ------------------------------------------- 4448 * N4: set if more than 3 fingers (only in 3 fingers mode) 4449 * VF: a kind of flag? (only on EF123, 0 when finger 4450 * is over one of the buttons, 1 otherwise) 4451 * B2: (on EF113 only, 0 otherwise), one button pressed 4452 * P & W is not reported on EF113 touchpads 4453 */ 4454 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4455 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4456 nfingers = 4; 4457 4458 if (nfingers == 0) { 4459 mask = (1 << nfingers) - 1; /* = 0x00 */ 4460 break; 4461 } 4462 4463 /* Map 3-rd and 4-th fingers to first finger */ 4464 mask = (1 << 1) - 1; /* = 0x01 */ 4465 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4466 if (sc->elanhw.haspressure) { 4467 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4468 ((pb->ipacket[3] & 0x30) >> 4); 4469 } else { 4470 f[0].p = PSM_FINGER_DEFAULT_P; 4471 f[0].w = PSM_FINGER_DEFAULT_W; 4472 } 4473 4474 /* 4475 * HW v2 dont report exact finger positions when 3 or more 4476 * fingers are on touchpad. 4477 */ 4478 if (nfingers > 2) 4479 f[0].flags = PSM_FINGER_FUZZY; 4480 4481 break; 4482 4483 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4484 /* 7 6 5 4 3 2 1 0 (LSB) 4485 * ------------------------------------------- 4486 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4487 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4488 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4489 * ipacket[3]: . . BY8 BX8 . . . . 4490 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4491 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4492 * ------------------------------------------- 4493 * AX: lower-left finger absolute x value 4494 * AY: lower-left finger absolute y value 4495 * BX: upper-right finger absolute x value 4496 * BY: upper-right finger absolute y value 4497 */ 4498 nfingers = 2; 4499 mask = (1 << nfingers) - 1; 4500 4501 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4502 f[id] = (finger_t) { 4503 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4504 pb->ipacket[id * 3 + 1]) << 2, 4505 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4506 pb->ipacket[id * 3 + 2]) << 2, 4507 .p = PSM_FINGER_DEFAULT_P, 4508 .w = PSM_FINGER_DEFAULT_W, 4509 /* HW ver.2 sends bounding box */ 4510 .flags = PSM_FINGER_FUZZY 4511 }; 4512 break; 4513 4514 case ELANTECH_PKT_V3: /* HW Version 3 */ 4515 /* 7 6 5 4 3 2 1 0 (LSB) 4516 * ------------------------------------------- 4517 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4518 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4519 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4520 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4521 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4522 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4523 * ------------------------------------------- 4524 */ 4525 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4526 /* Map 3-rd finger to first finger */ 4527 id = nfingers > 2 ? 0 : nfingers - 1; 4528 mask = (1 << (id + 1)) - 1; 4529 4530 if (nfingers == 0) 4531 break; 4532 4533 fn = ELANTECH_FINGER_SET_XYP(pb); 4534 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4535 ((pb->ipacket[3] & 0x30) >> 4); 4536 4537 /* 4538 * HW v3 dont report exact finger positions when 3 or more 4539 * fingers are on touchpad. 4540 */ 4541 if (nfingers > 1) 4542 fn.flags = PSM_FINGER_FUZZY; 4543 4544 if (nfingers == 2) { 4545 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4546 sc->elanaction.fingers[0] = fn; 4547 return (0); 4548 } else 4549 f[0] = sc->elanaction.fingers[0]; 4550 } 4551 f[id] = fn; 4552 break; 4553 4554 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4555 /* 7 6 5 4 3 2 1 0 (LSB) 4556 * ------------------------------------------- 4557 * ipacket[0]: . . . . 0 1 R L 4558 * ipacket[1]: . . . F4 F3 F2 F1 F0 4559 * ipacket[2]: . . . . . . . . 4560 * ipacket[3]: . . . 1 0 0 0 0 4561 * ipacket[4]: PL . . . . . . . 4562 * ipacket[5]: . . . . . . . . 4563 * ------------------------------------------- 4564 * Fn: finger n is on touchpad 4565 * PL: palm 4566 * HV ver4 sends a status packet to indicate that the numbers 4567 * or identities of the fingers has been changed 4568 */ 4569 4570 mask = pb->ipacket[1] & 0x1f; 4571 nfingers = bitcount(mask); 4572 4573 if (sc->elanaction.mask_v4wait != 0) 4574 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4575 " when not all previous head packets received\n")); 4576 4577 /* Bitmap of fingers to receive before gesture processing */ 4578 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4579 4580 /* Skip "new finger is on touchpad" packets */ 4581 if (sc->elanaction.mask_v4wait) { 4582 sc->elanaction.mask = mask; 4583 return (0); 4584 } 4585 4586 break; 4587 4588 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4589 /* 7 6 5 4 3 2 1 0 (LSB) 4590 * ------------------------------------------- 4591 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4592 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4593 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4594 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4595 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4596 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4597 * ------------------------------------------- 4598 * ID: finger id 4599 * HW ver 4 sends head packets in two cases: 4600 * 1. One finger touch and movement. 4601 * 2. Next after status packet to tell new finger positions. 4602 */ 4603 mask = sc->elanaction.mask; 4604 nfingers = bitcount(mask); 4605 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4606 fn = ELANTECH_FINGER_SET_XYP(pb); 4607 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4608 4609 if (id < 0) 4610 return (0); 4611 4612 /* Packet is finger position update. Report it */ 4613 if (sc->elanaction.mask_v4wait == 0) { 4614 if (id < ELANTECH_MAX_FINGERS) 4615 f[id] = fn; 4616 break; 4617 } 4618 4619 /* Remove finger from waiting bitmap and store into context */ 4620 sc->elanaction.mask_v4wait &= ~(1 << id); 4621 if (id < ELANTECH_MAX_FINGERS) 4622 sc->elanaction.fingers[id] = fn; 4623 4624 /* Wait for other fingers if needed */ 4625 if (sc->elanaction.mask_v4wait != 0) 4626 return (0); 4627 4628 /* All new fingers are received. Report them from context */ 4629 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4630 if (sc->elanaction.mask & (1 << id)) 4631 f[id] = sc->elanaction.fingers[id]; 4632 4633 break; 4634 4635 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4636 /* 7 6 5 4 3 2 1 0 (LSB) 4637 * ------------------------------------------- 4638 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4639 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4640 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4641 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4642 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4643 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4644 * ------------------------------------------- 4645 * OF: delta overflows (> 127 or < -128), in this case 4646 * firmware sends us (delta x / 5) and (delta y / 5) 4647 * ID: finger id 4648 * DX: delta x (two's complement) 4649 * XY: delta y (two's complement) 4650 * byte 0 ~ 2 for one finger 4651 * byte 3 ~ 5 for another finger 4652 */ 4653 mask = sc->elanaction.mask; 4654 nfingers = bitcount(mask); 4655 4656 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4657 for (i = 0; i <= 3; i += 3) { 4658 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4659 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4660 continue; 4661 4662 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4663 f[id] = sc->elanaction.fingers[id]; 4664 f[id].x += imax(-f[id].x, 4665 (signed char)pb->ipacket[i+1] * scale); 4666 f[id].y += imax(-f[id].y, 4667 (signed char)pb->ipacket[i+2] * scale); 4668 } else { 4669 VLOG(3, (LOG_DEBUG, "elantech: " 4670 "HW v4 motion packet skipped\n")); 4671 } 4672 } 4673 4674 break; 4675 4676 case ELANTECH_PKT_TRACKPOINT: 4677 /* 7 6 5 4 3 2 1 0 (LSB) 4678 * ------------------------------------------- 4679 * ipacket[0]: 0 0 SY SX 0 M R L 4680 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4681 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4682 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4683 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4684 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4685 * ------------------------------------------- 4686 * X and Y are written in two's complement spread 4687 * over 9 bits with SX/SY the relative top bit and 4688 * X7..X0 and Y7..Y0 the lower bits. 4689 */ 4690 if (!(pb->ipacket[0] & 0xC8) && !(pb->ipacket[1] & 0x7F) && 4691 !(pb->ipacket[2] & 0x7F) && !(pb->ipacket[3] & 0xC9) && 4692 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[1] & 0x80) && 4693 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[3] & 0x10) && 4694 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[2] & 0x80) && 4695 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[3] & 0x20)) { 4696 *x = (pb->ipacket[0] & MOUSE_PS2_XNEG) ? 4697 pb->ipacket[4] - 256 : pb->ipacket[4]; 4698 *y = (pb->ipacket[0] & MOUSE_PS2_YNEG) ? 4699 pb->ipacket[5] - 256 : pb->ipacket[5]; 4700 4701 trackpoint_button = 4702 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4703 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0) | 4704 ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); 4705 #ifdef EVDEV_SUPPORT 4706 evdev_push_rel(sc->evdev_r, REL_X, *x); 4707 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 4708 evdev_push_mouse_btn(sc->evdev_r, trackpoint_button); 4709 evdev_sync(sc->evdev_r); 4710 #endif 4711 ms->button = touchpad_button | trackpoint_button; 4712 } else 4713 VLOG(3, (LOG_DEBUG, "elantech: " 4714 "unexpected trackpoint packet skipped\n")); 4715 return (0); 4716 4717 case ELANTECH_PKT_NOP: 4718 return (0); 4719 4720 default: 4721 return (-1); 4722 } 4723 4724 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4725 if (PSM_FINGER_IS_SET(f[id])) 4726 VLOG(2, (LOG_DEBUG, "elantech: " 4727 "finger %d: down [%d, %d], %d, %d, %d\n", id + 1, 4728 f[id].x, f[id].y, f[id].p, f[id].w, f[id].flags)); 4729 4730 /* Touchpad button presses */ 4731 if (sc->elanhw.isclickpad) { 4732 touchpad_button = 4733 ((pb->ipacket[0] & 0x03) ? MOUSE_BUTTON1DOWN : 0); 4734 } else { 4735 touchpad_button = 4736 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4737 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); 4738 } 4739 4740 #ifdef EVDEV_SUPPORT 4741 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 4742 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4743 if (PSM_FINGER_IS_SET(f[id])) { 4744 psm_push_mt_finger(sc, id, &f[id]); 4745 /* Convert touch width to surface units */ 4746 evdev_push_abs(sc->evdev_a, ABS_MT_TOUCH_MAJOR, 4747 f[id].w * sc->elanhw.dptracex); 4748 } 4749 } 4750 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 4751 evdev_push_nfingers(sc->evdev_a, nfingers); 4752 if (nfingers > 0) { 4753 if (PSM_FINGER_IS_SET(f[0])) 4754 psm_push_st_finger(sc, &f[0]); 4755 } else 4756 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 4757 evdev_push_mouse_btn(sc->evdev_a, touchpad_button); 4758 evdev_sync(sc->evdev_a); 4759 } 4760 #endif 4761 4762 ms->button = touchpad_button | trackpoint_button; 4763 4764 /* Palm detection doesn't terminate the current action. */ 4765 palm = psmpalmdetect(sc, &f[0], nfingers); 4766 4767 /* Send finger 1 position to gesture processor */ 4768 if ((PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) || 4769 nfingers == 0) && !palm) 4770 psmgestures(sc, &f[0], imin(nfingers, 3), ms); 4771 4772 /* Send fingers positions to movement smoothers */ 4773 for (id = 0; id < PSM_FINGERS; id++) 4774 if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id))) 4775 psmsmoother(sc, &f[id], id, ms, x, y); 4776 4777 /* Store current finger positions in action context */ 4778 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4779 if (PSM_FINGER_IS_SET(f[id])) 4780 sc->elanaction.fingers[id] = f[id]; 4781 if ((sc->elanaction.mask & (1 << id)) && !(mask & (1 << id))) 4782 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 4783 } 4784 sc->elanaction.mask = mask; 4785 4786 if (palm) { 4787 *x = *y = *z = 0; 4788 ms->button = ms->obutton; 4789 return (0); 4790 } 4791 4792 /* Use the extra buttons as a scrollwheel */ 4793 if (ms->button & MOUSE_BUTTON4DOWN) 4794 *z = -1; 4795 else if (ms->button & MOUSE_BUTTON5DOWN) 4796 *z = 1; 4797 else if (ms->button & MOUSE_BUTTON6DOWN) 4798 *z = -2; 4799 else if (ms->button & MOUSE_BUTTON7DOWN) 4800 *z = 2; 4801 else 4802 *z = 0; 4803 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 4804 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 4805 4806 return (0); 4807 } 4808 4809 static void 4810 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4811 int *x, int *y, int *z) 4812 { 4813 static int butmap_versapad[8] = { 4814 0, 4815 MOUSE_BUTTON3DOWN, 4816 0, 4817 MOUSE_BUTTON3DOWN, 4818 MOUSE_BUTTON1DOWN, 4819 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4820 MOUSE_BUTTON1DOWN, 4821 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 4822 }; 4823 int c, x0, y0; 4824 4825 /* VersaPad PS/2 absolute mode message format 4826 * 4827 * [packet1] 7 6 5 4 3 2 1 0(LSB) 4828 * ipacket[0]: 1 1 0 A 1 L T R 4829 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 4830 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 4831 * ipacket[3]: 1 1 1 A 1 L T R 4832 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 4833 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 4834 * 4835 * [note] 4836 * R: right physical mouse button (1=on) 4837 * T: touch pad virtual button (1=tapping) 4838 * L: left physical mouse button (1=on) 4839 * A: position data is valid (1=valid) 4840 * H: horizontal data (12bit signed integer. H11 is sign bit.) 4841 * V: vertical data (12bit signed integer. V11 is sign bit.) 4842 * P: pressure data 4843 * 4844 * Tapping is mapped to MOUSE_BUTTON4. 4845 */ 4846 c = pb->ipacket[0]; 4847 *x = *y = 0; 4848 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 4849 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 4850 if (c & MOUSE_PS2VERSA_IN_USE) { 4851 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 4852 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 4853 if (x0 & 0x800) 4854 x0 -= 0x1000; 4855 if (y0 & 0x800) 4856 y0 -= 0x1000; 4857 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4858 *x = sc->xold - x0; 4859 *y = y0 - sc->yold; 4860 if (*x < 0) /* XXX */ 4861 ++*x; 4862 else if (*x) 4863 --*x; 4864 if (*y < 0) 4865 ++*y; 4866 else if (*y) 4867 --*y; 4868 } else 4869 sc->flags |= PSM_FLAGS_FINGERDOWN; 4870 sc->xold = x0; 4871 sc->yold = y0; 4872 } else 4873 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4874 } 4875 4876 static void 4877 psmsoftintridle(void *arg) 4878 { 4879 struct psm_softc *sc = arg; 4880 packetbuf_t *pb; 4881 4882 /* Invoke soft handler only when pqueue is empty. Otherwise it will be 4883 * invoked from psmintr soon with pqueue filled with real data */ 4884 if (sc->pqueue_start == sc->pqueue_end && 4885 sc->idlepacket.inputbytes > 0) { 4886 /* Grow circular queue backwards to avoid race with psmintr */ 4887 if (--sc->pqueue_start < 0) 4888 sc->pqueue_start = PSM_PACKETQUEUE - 1; 4889 4890 pb = &sc->pqueue[sc->pqueue_start]; 4891 memcpy(pb, &sc->idlepacket, sizeof(packetbuf_t)); 4892 VLOG(4, (LOG_DEBUG, 4893 "psmsoftintridle: %02x %02x %02x %02x %02x %02x\n", 4894 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 4895 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 4896 4897 psmsoftintr(arg); 4898 } 4899 } 4900 4901 static void 4902 psmsoftintr(void *arg) 4903 { 4904 /* 4905 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 4906 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 4907 */ 4908 static int butmap[8] = { 4909 0, 4910 MOUSE_BUTTON1DOWN, 4911 MOUSE_BUTTON3DOWN, 4912 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4913 MOUSE_BUTTON2DOWN, 4914 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 4915 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 4916 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 4917 }; 4918 struct psm_softc *sc = arg; 4919 mousestatus_t ms; 4920 packetbuf_t *pb; 4921 int x, y, z, c, l, s; 4922 4923 getmicrouptime(&sc->lastsoftintr); 4924 4925 s = spltty(); 4926 4927 do { 4928 pb = &sc->pqueue[sc->pqueue_start]; 4929 4930 if (sc->mode.level == PSM_LEVEL_NATIVE) 4931 goto next_native; 4932 4933 c = pb->ipacket[0]; 4934 /* 4935 * A kludge for Kensington device! 4936 * The MSB of the horizontal count appears to be stored in 4937 * a strange place. 4938 */ 4939 if (sc->hw.model == MOUSE_MODEL_THINK) 4940 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 4941 4942 /* ignore the overflow bits... */ 4943 x = (c & MOUSE_PS2_XNEG) ? 4944 pb->ipacket[1] - 256 : pb->ipacket[1]; 4945 y = (c & MOUSE_PS2_YNEG) ? 4946 pb->ipacket[2] - 256 : pb->ipacket[2]; 4947 z = 0; 4948 ms.obutton = sc->button; /* previous button state */ 4949 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 4950 /* `tapping' action */ 4951 if (sc->config & PSM_CONFIG_FORCETAP) 4952 ms.button |= ((c & MOUSE_PS2_TAP)) ? 4953 0 : MOUSE_BUTTON4DOWN; 4954 timevalclear(&sc->idletimeout); 4955 sc->idlepacket.inputbytes = 0; 4956 4957 switch (sc->hw.model) { 4958 case MOUSE_MODEL_EXPLORER: 4959 /* 4960 * b7 b6 b5 b4 b3 b2 b1 b0 4961 * byte 1: oy ox sy sx 1 M R L 4962 * byte 2: x x x x x x x x 4963 * byte 3: y y y y y y y y 4964 * byte 4: * * S2 S1 s d2 d1 d0 4965 * 4966 * L, M, R, S1, S2: left, middle, right and side buttons 4967 * s: wheel data sign bit 4968 * d2-d0: wheel data 4969 */ 4970 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4971 (pb->ipacket[3] & 0x0f) - 16 : 4972 (pb->ipacket[3] & 0x0f); 4973 ms.button |= 4974 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4975 MOUSE_BUTTON4DOWN : 0; 4976 ms.button |= 4977 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 4978 MOUSE_BUTTON5DOWN : 0; 4979 break; 4980 4981 case MOUSE_MODEL_INTELLI: 4982 case MOUSE_MODEL_NET: 4983 /* wheel data is in the fourth byte */ 4984 z = (char)pb->ipacket[3]; 4985 /* 4986 * XXX some mice may send 7 when there is no Z movement? */ 4987 if ((z >= 7) || (z <= -7)) 4988 z = 0; 4989 /* some compatible mice have additional buttons */ 4990 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 4991 MOUSE_BUTTON4DOWN : 0; 4992 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 4993 MOUSE_BUTTON5DOWN : 0; 4994 break; 4995 4996 case MOUSE_MODEL_MOUSEMANPLUS: 4997 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 4998 break; 4999 5000 case MOUSE_MODEL_GLIDEPOINT: 5001 /* `tapping' action */ 5002 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 5003 MOUSE_BUTTON4DOWN; 5004 break; 5005 5006 case MOUSE_MODEL_NETSCROLL: 5007 /* 5008 * three additional bytes encode buttons and 5009 * wheel events 5010 */ 5011 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 5012 MOUSE_BUTTON4DOWN : 0; 5013 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 5014 MOUSE_BUTTON5DOWN : 0; 5015 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 5016 pb->ipacket[4] - 256 : pb->ipacket[4]; 5017 break; 5018 5019 case MOUSE_MODEL_THINK: 5020 /* the fourth button state in the first byte */ 5021 ms.button |= (c & MOUSE_PS2_TAP) ? 5022 MOUSE_BUTTON4DOWN : 0; 5023 break; 5024 5025 case MOUSE_MODEL_VERSAPAD: 5026 proc_versapad(sc, pb, &ms, &x, &y, &z); 5027 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 5028 ((y < 0) ? MOUSE_PS2_YNEG : 0); 5029 break; 5030 5031 case MOUSE_MODEL_4D: 5032 /* 5033 * b7 b6 b5 b4 b3 b2 b1 b0 5034 * byte 1: s2 d2 s1 d1 1 M R L 5035 * byte 2: sx x x x x x x x 5036 * byte 3: sy y y y y y y y 5037 * 5038 * s1: wheel 1 direction 5039 * d1: wheel 1 data 5040 * s2: wheel 2 direction 5041 * d2: wheel 2 data 5042 */ 5043 x = (pb->ipacket[1] & 0x80) ? 5044 pb->ipacket[1] - 256 : pb->ipacket[1]; 5045 y = (pb->ipacket[2] & 0x80) ? 5046 pb->ipacket[2] - 256 : pb->ipacket[2]; 5047 switch (c & MOUSE_4D_WHEELBITS) { 5048 case 0x10: 5049 z = 1; 5050 break; 5051 case 0x30: 5052 z = -1; 5053 break; 5054 case 0x40: /* XXX 2nd wheel turning right */ 5055 z = 2; 5056 break; 5057 case 0xc0: /* XXX 2nd wheel turning left */ 5058 z = -2; 5059 break; 5060 } 5061 break; 5062 5063 case MOUSE_MODEL_4DPLUS: 5064 if ((x < 16 - 256) && (y < 16 - 256)) { 5065 /* 5066 * b7 b6 b5 b4 b3 b2 b1 b0 5067 * byte 1: 0 0 1 1 1 M R L 5068 * byte 2: 0 0 0 0 1 0 0 0 5069 * byte 3: 0 0 0 0 S s d1 d0 5070 * 5071 * L, M, R, S: left, middle, right, 5072 * and side buttons 5073 * s: wheel data sign bit 5074 * d1-d0: wheel data 5075 */ 5076 x = y = 0; 5077 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 5078 ms.button |= MOUSE_BUTTON4DOWN; 5079 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 5080 ((pb->ipacket[2] & 0x07) - 8) : 5081 (pb->ipacket[2] & 0x07) ; 5082 } else { 5083 /* preserve previous button states */ 5084 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 5085 } 5086 break; 5087 5088 case MOUSE_MODEL_SYNAPTICS: 5089 if (pb->inputbytes == MOUSE_PS2_PACKETSIZE) 5090 if (proc_synaptics_mux(sc, pb)) 5091 goto next; 5092 5093 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) { 5094 VLOG(3, (LOG_DEBUG, "synaptics: " 5095 "packet rejected\n")); 5096 goto next; 5097 } 5098 break; 5099 5100 case MOUSE_MODEL_ELANTECH: 5101 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) { 5102 VLOG(3, (LOG_DEBUG, "elantech: " 5103 "packet rejected\n")); 5104 goto next; 5105 } 5106 break; 5107 5108 case MOUSE_MODEL_TRACKPOINT: 5109 case MOUSE_MODEL_GENERIC: 5110 default: 5111 break; 5112 } 5113 5114 /* Store last packet for reinjection if it has not been set already */ 5115 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 5116 sc->idlepacket = *pb; 5117 5118 #ifdef EVDEV_SUPPORT 5119 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 5120 sc->hw.model != MOUSE_MODEL_ELANTECH && 5121 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5122 evdev_push_rel(sc->evdev_r, REL_X, x); 5123 evdev_push_rel(sc->evdev_r, REL_Y, -y); 5124 5125 switch (sc->hw.model) { 5126 case MOUSE_MODEL_EXPLORER: 5127 case MOUSE_MODEL_INTELLI: 5128 case MOUSE_MODEL_NET: 5129 case MOUSE_MODEL_NETSCROLL: 5130 case MOUSE_MODEL_4DPLUS: 5131 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5132 break; 5133 case MOUSE_MODEL_MOUSEMANPLUS: 5134 case MOUSE_MODEL_4D: 5135 switch (z) { 5136 case 1: 5137 case -1: 5138 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5139 break; 5140 case 2: 5141 case -2: 5142 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 5143 break; 5144 } 5145 break; 5146 } 5147 5148 evdev_push_mouse_btn(sc->evdev_r, ms.button); 5149 evdev_sync(sc->evdev_r); 5150 } 5151 5152 if ((sc->evdev_a != NULL && evdev_is_grabbed(sc->evdev_a)) || 5153 (sc->evdev_r != NULL && evdev_is_grabbed(sc->evdev_r))) 5154 goto next; 5155 #endif 5156 5157 /* scale values */ 5158 if (sc->mode.accelfactor >= 1) { 5159 if (x != 0) { 5160 x = x * x / sc->mode.accelfactor; 5161 if (x == 0) 5162 x = 1; 5163 if (c & MOUSE_PS2_XNEG) 5164 x = -x; 5165 } 5166 if (y != 0) { 5167 y = y * y / sc->mode.accelfactor; 5168 if (y == 0) 5169 y = 1; 5170 if (c & MOUSE_PS2_YNEG) 5171 y = -y; 5172 } 5173 } 5174 5175 ms.dx = x; 5176 ms.dy = y; 5177 ms.dz = z; 5178 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 5179 (ms.obutton ^ ms.button); 5180 5181 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 5182 5183 sc->status.flags |= ms.flags; 5184 sc->status.dx += ms.dx; 5185 sc->status.dy += ms.dy; 5186 sc->status.dz += ms.dz; 5187 sc->status.button = ms.button; 5188 sc->button = ms.button; 5189 5190 next_native: 5191 sc->watchdog = FALSE; 5192 5193 /* queue data */ 5194 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 5195 l = imin(pb->inputbytes, 5196 sizeof(sc->queue.buf) - sc->queue.tail); 5197 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 5198 if (pb->inputbytes > l) 5199 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 5200 pb->inputbytes - l); 5201 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 5202 sizeof(sc->queue.buf); 5203 sc->queue.count += pb->inputbytes; 5204 } 5205 5206 next: 5207 pb->inputbytes = 0; 5208 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 5209 sc->pqueue_start = 0; 5210 } while (sc->pqueue_start != sc->pqueue_end); 5211 5212 if (sc->state & PSM_ASLP) { 5213 sc->state &= ~PSM_ASLP; 5214 wakeup(sc); 5215 } 5216 selwakeuppri(&sc->rsel, PZERO); 5217 if (sc->async != NULL) { 5218 pgsigio(&sc->async, SIGIO, 0); 5219 } 5220 sc->state &= ~PSM_SOFTARMED; 5221 5222 /* schedule injection of predefined packet after idletimeout 5223 * if no data packets have been received from psmintr */ 5224 if (timevalisset(&sc->idletimeout)) { 5225 sc->state |= PSM_SOFTARMED; 5226 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5227 psmsoftintridle, sc); 5228 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5229 tvtohz(&sc->idletimeout))); 5230 } 5231 splx(s); 5232 } 5233 5234 static int 5235 psmpoll(struct cdev *dev, int events, struct thread *td) 5236 { 5237 struct psm_softc *sc = dev->si_drv1; 5238 int s; 5239 int revents = 0; 5240 5241 /* Return true if a mouse event available */ 5242 s = spltty(); 5243 if (events & (POLLIN | POLLRDNORM)) { 5244 if (sc->queue.count > 0) 5245 revents |= events & (POLLIN | POLLRDNORM); 5246 else 5247 selrecord(td, &sc->rsel); 5248 } 5249 splx(s); 5250 5251 return (revents); 5252 } 5253 5254 /* vendor/model specific routines */ 5255 5256 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5257 { 5258 if (set_mouse_resolution(kbdc, res) != res) 5259 return (FALSE); 5260 if (set_mouse_scaling(kbdc, scale) && 5261 set_mouse_scaling(kbdc, scale) && 5262 set_mouse_scaling(kbdc, scale) && 5263 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5264 return (TRUE); 5265 return (FALSE); 5266 } 5267 5268 static int 5269 mouse_ext_command(KBDC kbdc, int command) 5270 { 5271 int c; 5272 5273 c = (command >> 6) & 0x03; 5274 if (set_mouse_resolution(kbdc, c) != c) 5275 return (FALSE); 5276 c = (command >> 4) & 0x03; 5277 if (set_mouse_resolution(kbdc, c) != c) 5278 return (FALSE); 5279 c = (command >> 2) & 0x03; 5280 if (set_mouse_resolution(kbdc, c) != c) 5281 return (FALSE); 5282 c = (command >> 0) & 0x03; 5283 if (set_mouse_resolution(kbdc, c) != c) 5284 return (FALSE); 5285 return (TRUE); 5286 } 5287 5288 #ifdef notyet 5289 /* Logitech MouseMan Cordless II */ 5290 static int 5291 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5292 { 5293 KBDC kbdc = sc->kbdc; 5294 int status[3]; 5295 int ch; 5296 5297 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5298 return (FALSE); 5299 if (status[1] == PSMD_RES_HIGH) 5300 return (FALSE); 5301 ch = (status[0] & 0x07) - 1; /* channel # */ 5302 if ((ch <= 0) || (ch > 4)) 5303 return (FALSE); 5304 /* 5305 * status[1]: always one? 5306 * status[2]: battery status? (0-100) 5307 */ 5308 return (TRUE); 5309 } 5310 #endif /* notyet */ 5311 5312 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5313 static int 5314 enable_groller(struct psm_softc *sc, enum probearg arg) 5315 { 5316 KBDC kbdc = sc->kbdc; 5317 int status[3]; 5318 5319 /* 5320 * The special sequence to enable the fourth button and the 5321 * roller. Immediately after this sequence check status bytes. 5322 * if the mouse is NetScroll, the second and the third bytes are 5323 * '3' and 'D'. 5324 */ 5325 5326 /* 5327 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5328 * look like the following. 5329 * 5330 * byte 1 bit 7 always 0 5331 * bit 6 stream mode (0) 5332 * bit 5 disabled (0) 5333 * bit 4 1:1 scaling (0) 5334 * bit 3 always 0 5335 * bit 0-2 button status 5336 * byte 2 resolution (PSMD_RES_HIGH) 5337 * byte 3 report rate (?) 5338 */ 5339 5340 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5341 return (FALSE); 5342 if ((status[1] != '3') || (status[2] != 'D')) 5343 return (FALSE); 5344 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5345 if (arg == PROBE) 5346 sc->hw.buttons = 4; 5347 return (TRUE); 5348 } 5349 5350 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5351 static int 5352 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5353 { 5354 KBDC kbdc = sc->kbdc; 5355 int status[3]; 5356 5357 /* 5358 * The special sequence to enable the middle, "rubber" button. 5359 * Immediately after this sequence check status bytes. 5360 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5361 * the second and the third bytes are '3' and 'U'. 5362 * NOTE: NetMouse reports that it has three buttons although it has 5363 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5364 * say they have three buttons too and they do have a button on the 5365 * side... 5366 */ 5367 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5368 return (FALSE); 5369 if ((status[1] != '3') || (status[2] != 'U')) 5370 return (FALSE); 5371 return (TRUE); 5372 } 5373 5374 /* ALPS GlidePoint */ 5375 static int 5376 enable_aglide(struct psm_softc *sc, enum probearg arg) 5377 { 5378 KBDC kbdc = sc->kbdc; 5379 int status[3]; 5380 5381 /* 5382 * The special sequence to obtain ALPS GlidePoint specific 5383 * information. Immediately after this sequence, status bytes will 5384 * contain something interesting. 5385 * NOTE: ALPS produces several models of GlidePoint. Some of those 5386 * do not respond to this sequence, thus, cannot be detected this way. 5387 */ 5388 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5389 return (FALSE); 5390 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5391 return (FALSE); 5392 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5393 return (FALSE); 5394 return (TRUE); 5395 } 5396 5397 /* Kensington ThinkingMouse/Trackball */ 5398 static int 5399 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5400 { 5401 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5402 KBDC kbdc = sc->kbdc; 5403 int status[3]; 5404 int id1; 5405 int id2; 5406 int i; 5407 5408 id1 = get_aux_id(kbdc); 5409 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5410 return (FALSE); 5411 /* 5412 * The device is now in the native mode? It returns a different 5413 * ID value... 5414 */ 5415 id2 = get_aux_id(kbdc); 5416 if ((id1 == id2) || (id2 != 2)) 5417 return (FALSE); 5418 5419 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5420 return (FALSE); 5421 #if PSM_DEBUG >= 2 5422 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5423 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5424 return (FALSE); 5425 #endif 5426 5427 /* 5428 * The special sequence to enable the third and fourth buttons. 5429 * Otherwise they behave like the first and second buttons. 5430 */ 5431 for (i = 0; i < nitems(rate); ++i) 5432 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5433 return (FALSE); 5434 5435 /* 5436 * At this point, the device is using default resolution and 5437 * sampling rate for the native mode. 5438 */ 5439 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5440 return (FALSE); 5441 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5442 return (FALSE); 5443 5444 /* the device appears be enabled by this sequence, diable it for now */ 5445 disable_aux_dev(kbdc); 5446 empty_aux_buffer(kbdc, 5); 5447 5448 return (TRUE); 5449 } 5450 5451 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5452 static int 5453 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5454 { 5455 KBDC kbdc = sc->kbdc; 5456 int data[3]; 5457 5458 /* the special sequence to enable the fourth button and the roller. */ 5459 /* 5460 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5461 * must be called exactly three times since the last RESET command 5462 * before this sequence. XXX 5463 */ 5464 if (!set_mouse_scaling(kbdc, 1)) 5465 return (FALSE); 5466 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5467 return (FALSE); 5468 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5469 return (FALSE); 5470 5471 /* 5472 * PS2++ protocol, packet type 0 5473 * 5474 * b7 b6 b5 b4 b3 b2 b1 b0 5475 * byte 1: * 1 p3 p2 1 * * * 5476 * byte 2: 1 1 p1 p0 m1 m0 1 0 5477 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5478 * 5479 * p3-p0: packet type: 0 5480 * m7-m0: model ID: MouseMan+:0x50, 5481 * FirstMouse+:0x51, 5482 * ScrollPoint:0x58... 5483 */ 5484 /* check constant bits */ 5485 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5486 return (FALSE); 5487 if ((data[1] & 0xc3) != 0xc2) 5488 return (FALSE); 5489 /* check d3-d0 in byte 2 */ 5490 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5491 return (FALSE); 5492 /* check p3-p0 */ 5493 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5494 return (FALSE); 5495 5496 if (arg == PROBE) { 5497 sc->hw.hwid &= 0x00ff; 5498 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5499 } 5500 5501 /* 5502 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5503 * the wheel and the fourth button events are encoded in the 5504 * special data packet. The mouse may be put in the IntelliMouse mode 5505 * if it is initialized by the IntelliMouse's method. 5506 */ 5507 return (TRUE); 5508 } 5509 5510 /* MS IntelliMouse Explorer */ 5511 static int 5512 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5513 { 5514 KBDC kbdc = sc->kbdc; 5515 static u_char rate0[] = { 200, 100, 80, }; 5516 static u_char rate1[] = { 200, 200, 80, }; 5517 int id; 5518 int i; 5519 5520 /* 5521 * This is needed for at least A4Tech X-7xx mice - they do not go 5522 * straight to Explorer mode, but need to be set to Intelli mode 5523 * first. 5524 */ 5525 enable_msintelli(sc, arg); 5526 5527 /* the special sequence to enable the extra buttons and the roller. */ 5528 for (i = 0; i < nitems(rate1); ++i) 5529 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5530 return (FALSE); 5531 /* the device will give the genuine ID only after the above sequence */ 5532 id = get_aux_id(kbdc); 5533 if (id != PSM_EXPLORER_ID) 5534 return (FALSE); 5535 5536 if (arg == PROBE) { 5537 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5538 sc->hw.hwid = id; 5539 } 5540 5541 /* 5542 * XXX: this is a kludge to fool some KVM switch products 5543 * which think they are clever enough to know the 4-byte IntelliMouse 5544 * protocol, and assume any other protocols use 3-byte packets. 5545 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5546 * correctly to the host computer because of this! 5547 * The following sequence is actually IntelliMouse's "wake up" 5548 * sequence; it will make the KVM think the mouse is IntelliMouse 5549 * when it is in fact IntelliMouse Explorer. 5550 */ 5551 for (i = 0; i < nitems(rate0); ++i) 5552 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5553 break; 5554 get_aux_id(kbdc); 5555 5556 return (TRUE); 5557 } 5558 5559 /* 5560 * MS IntelliMouse 5561 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5562 * probe routine and act like IntelliMouse. 5563 */ 5564 static int 5565 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5566 { 5567 KBDC kbdc = sc->kbdc; 5568 static u_char rate[] = { 200, 100, 80, }; 5569 int id; 5570 int i; 5571 5572 /* the special sequence to enable the third button and the roller. */ 5573 for (i = 0; i < nitems(rate); ++i) 5574 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5575 return (FALSE); 5576 /* the device will give the genuine ID only after the above sequence */ 5577 id = get_aux_id(kbdc); 5578 if (id != PSM_INTELLI_ID) 5579 return (FALSE); 5580 5581 if (arg == PROBE) { 5582 sc->hw.buttons = 3; 5583 sc->hw.hwid = id; 5584 } 5585 5586 return (TRUE); 5587 } 5588 5589 /* 5590 * A4 Tech 4D Mouse 5591 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5592 */ 5593 static int 5594 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5595 { 5596 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5597 KBDC kbdc = sc->kbdc; 5598 int id; 5599 int i; 5600 5601 for (i = 0; i < nitems(rate); ++i) 5602 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5603 return (FALSE); 5604 id = get_aux_id(kbdc); 5605 /* 5606 * WinEasy 4D, 4 Way Scroll 4D: 6 5607 * Cable-Free 4D: 8 (4DPLUS) 5608 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5609 */ 5610 if (id != PSM_4DMOUSE_ID) 5611 return (FALSE); 5612 5613 if (arg == PROBE) { 5614 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5615 sc->hw.hwid = id; 5616 } 5617 5618 return (TRUE); 5619 } 5620 5621 /* 5622 * A4 Tech 4D+ Mouse 5623 * Newer wheel mice from A4 Tech seem to use this protocol. 5624 * Older models are recognized as either 4D Mouse or IntelliMouse. 5625 */ 5626 static int 5627 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5628 { 5629 KBDC kbdc = sc->kbdc; 5630 int id; 5631 5632 /* 5633 * enable_4dmouse() already issued the following ID sequence... 5634 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5635 int i; 5636 5637 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5638 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5639 return (FALSE); 5640 */ 5641 5642 id = get_aux_id(kbdc); 5643 switch (id) { 5644 case PSM_4DPLUS_ID: 5645 break; 5646 case PSM_4DPLUS_RFSW35_ID: 5647 break; 5648 default: 5649 return (FALSE); 5650 } 5651 5652 if (arg == PROBE) { 5653 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5654 sc->hw.hwid = id; 5655 } 5656 5657 return (TRUE); 5658 } 5659 5660 /* Synaptics Touchpad */ 5661 static int 5662 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5663 { 5664 struct psm_softc *sc; 5665 int error, arg; 5666 5667 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5668 oidp->oid_arg2 > SYNAPTICS_SYSCTL_LAST) 5669 return (EINVAL); 5670 5671 sc = oidp->oid_arg1; 5672 5673 /* Read the current value. */ 5674 arg = *(int *)((char *)sc + oidp->oid_arg2); 5675 error = sysctl_handle_int(oidp, &arg, 0, req); 5676 5677 /* Sanity check. */ 5678 if (error || !req->newptr) 5679 return (error); 5680 5681 /* 5682 * Check that the new value is in the concerned node's range 5683 * of values. 5684 */ 5685 switch (oidp->oid_arg2) { 5686 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5687 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5688 if (arg < 0 || arg > 255) 5689 return (EINVAL); 5690 break; 5691 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5692 if (arg < 4 || arg > 15) 5693 return (EINVAL); 5694 break; 5695 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5696 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5697 case SYNAPTICS_SYSCTL_NA_TOP: 5698 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5699 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5700 return (EINVAL); 5701 break; 5702 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5703 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5704 /* Softbuttons is clickpad only feature */ 5705 if (!sc->synhw.capClickPad && arg != 0) 5706 return (EINVAL); 5707 /* FALLTHROUGH */ 5708 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5709 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5710 case SYNAPTICS_SYSCTL_NA_RIGHT: 5711 case SYNAPTICS_SYSCTL_NA_LEFT: 5712 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5713 return (EINVAL); 5714 break; 5715 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5716 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5717 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5718 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5719 return (EINVAL); 5720 break; 5721 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5722 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5723 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5724 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5725 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5726 case SYNAPTICS_SYSCTL_DIV_MIN: 5727 case SYNAPTICS_SYSCTL_DIV_MAX: 5728 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5729 case SYNAPTICS_SYSCTL_DIV_LEN: 5730 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5731 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5732 if (arg < 1) 5733 return (EINVAL); 5734 break; 5735 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5736 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5737 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5738 if (arg < 0) 5739 return (EINVAL); 5740 break; 5741 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5742 if (arg < -sc->synhw.maximumXCoord || 5743 arg > sc->synhw.maximumXCoord) 5744 return (EINVAL); 5745 break; 5746 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5747 /* Softbuttons is clickpad only feature */ 5748 if (!sc->synhw.capClickPad && arg != 0) 5749 return (EINVAL); 5750 /* FALLTHROUGH */ 5751 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5752 if (arg < -sc->synhw.maximumYCoord || 5753 arg > sc->synhw.maximumYCoord) 5754 return (EINVAL); 5755 break; 5756 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5757 case SYNAPTICS_SYSCTL_THREE_FINGER_DRAG: 5758 case SYNAPTICS_SYSCTL_NATURAL_SCROLL: 5759 if (arg < 0 || arg > 1) 5760 return (EINVAL); 5761 break; 5762 default: 5763 return (EINVAL); 5764 } 5765 5766 /* Update. */ 5767 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5768 5769 return (error); 5770 } 5771 5772 static void 5773 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5774 { 5775 /* 5776 * Set predefined sizes for softbuttons. 5777 * Values are taken to match HP Pavilion dv6 clickpad drawings 5778 * with thin middle softbutton placed on separator 5779 */ 5780 5781 /* hw.psm.synaptics.softbuttons_y */ 5782 sc->syninfo.softbuttons_y = sc->synhw.topButtonPad ? -1700 : 1700; 5783 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5784 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5785 "softbuttons_y", 5786 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5787 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5788 synaptics_sysctl, "I", 5789 "Vertical size of softbuttons area"); 5790 5791 /* hw.psm.synaptics.softbutton2_x */ 5792 sc->syninfo.softbutton2_x = 3100; 5793 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5794 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5795 "softbutton2_x", 5796 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5797 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5798 synaptics_sysctl, "I", 5799 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5800 5801 /* hw.psm.synaptics.softbutton3_x */ 5802 sc->syninfo.softbutton3_x = 3900; 5803 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5804 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5805 "softbutton3_x", 5806 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5807 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5808 synaptics_sysctl, "I", 5809 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5810 } 5811 5812 static void 5813 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5814 const char *descr) 5815 { 5816 5817 if (sc->syninfo.sysctl_tree != NULL) 5818 return; 5819 5820 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5821 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5822 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5823 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, 5824 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, descr); 5825 5826 /* hw.psm.synaptics.directional_scrolls. */ 5827 sc->syninfo.directional_scrolls = 0; 5828 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5829 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5830 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5831 &sc->syninfo.directional_scrolls, 0, 5832 "Enable hardware scrolling pad (if non-zero) or register it as " 5833 "extended buttons (if 0)"); 5834 5835 /* hw.psm.synaptics.max_x. */ 5836 sc->syninfo.max_x = 6143; 5837 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5838 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5839 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5840 &sc->syninfo.max_x, 0, 5841 "Horizontal reporting range"); 5842 5843 /* hw.psm.synaptics.max_y. */ 5844 sc->syninfo.max_y = 6143; 5845 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5846 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5847 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5848 &sc->syninfo.max_y, 0, 5849 "Vertical reporting range"); 5850 5851 /* 5852 * Turn off two finger scroll if we have a 5853 * physical area reserved for scrolling or when 5854 * there's no multi finger support. 5855 */ 5856 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5857 sc->synhw.capAdvancedGestures == 0)) 5858 sc->syninfo.two_finger_scroll = 0; 5859 else 5860 sc->syninfo.two_finger_scroll = 1; 5861 /* hw.psm.synaptics.two_finger_scroll. */ 5862 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5863 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5864 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5865 &sc->syninfo.two_finger_scroll, 0, 5866 "Enable two finger scrolling"); 5867 5868 /* hw.psm.synaptics.min_pressure. */ 5869 sc->syninfo.min_pressure = 32; 5870 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5871 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5872 "min_pressure", 5873 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5874 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5875 synaptics_sysctl, "I", 5876 "Minimum pressure required to start an action"); 5877 5878 /* hw.psm.synaptics.max_pressure. */ 5879 sc->syninfo.max_pressure = 220; 5880 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5881 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5882 "max_pressure", 5883 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5884 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5885 synaptics_sysctl, "I", 5886 "Maximum pressure to detect palm"); 5887 5888 /* hw.psm.synaptics.max_width. */ 5889 sc->syninfo.max_width = 10; 5890 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5891 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5892 "max_width", 5893 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 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", 5903 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5904 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5905 synaptics_sysctl, "I", 5906 "Top margin"); 5907 5908 /* hw.psm.synaptics.right_margin. */ 5909 sc->syninfo.margin_right = 200; 5910 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5911 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5912 "margin_right", 5913 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5914 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5915 synaptics_sysctl, "I", 5916 "Right margin"); 5917 5918 /* hw.psm.synaptics.bottom_margin. */ 5919 sc->syninfo.margin_bottom = 200; 5920 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5921 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5922 "margin_bottom", 5923 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5924 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5925 synaptics_sysctl, "I", 5926 "Bottom margin"); 5927 5928 /* hw.psm.synaptics.left_margin. */ 5929 sc->syninfo.margin_left = 200; 5930 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5931 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5932 "margin_left", 5933 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5934 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5935 synaptics_sysctl, "I", 5936 "Left margin"); 5937 5938 /* hw.psm.synaptics.na_top. */ 5939 sc->syninfo.na_top = 1783; 5940 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5941 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5942 "na_top", 5943 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5944 sc, SYNAPTICS_SYSCTL_NA_TOP, 5945 synaptics_sysctl, "I", 5946 "Top noisy area, where weight_previous_na is used instead " 5947 "of weight_previous"); 5948 5949 /* hw.psm.synaptics.na_right. */ 5950 sc->syninfo.na_right = 563; 5951 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5952 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5953 "na_right", 5954 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5955 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 5956 synaptics_sysctl, "I", 5957 "Right noisy area, where weight_previous_na is used instead " 5958 "of weight_previous"); 5959 5960 /* hw.psm.synaptics.na_bottom. */ 5961 sc->syninfo.na_bottom = 1408; 5962 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5963 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5964 "na_bottom", 5965 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5966 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 5967 synaptics_sysctl, "I", 5968 "Bottom noisy area, where weight_previous_na is used instead " 5969 "of weight_previous"); 5970 5971 /* hw.psm.synaptics.na_left. */ 5972 sc->syninfo.na_left = 1600; 5973 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5974 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5975 "na_left", 5976 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5977 sc, SYNAPTICS_SYSCTL_NA_LEFT, 5978 synaptics_sysctl, "I", 5979 "Left noisy area, where weight_previous_na is used instead " 5980 "of weight_previous"); 5981 5982 /* hw.psm.synaptics.window_min. */ 5983 sc->syninfo.window_min = 4; 5984 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5985 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5986 "window_min", 5987 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5988 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 5989 synaptics_sysctl, "I", 5990 "Minimum window size to start an action"); 5991 5992 /* hw.psm.synaptics.window_max. */ 5993 sc->syninfo.window_max = 10; 5994 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5995 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5996 "window_max", 5997 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5998 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 5999 synaptics_sysctl, "I", 6000 "Maximum window size"); 6001 6002 /* hw.psm.synaptics.multiplicator. */ 6003 sc->syninfo.multiplicator = 10000; 6004 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6005 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6006 "multiplicator", 6007 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6008 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 6009 synaptics_sysctl, "I", 6010 "Multiplicator to increase precision in averages and divisions"); 6011 6012 /* hw.psm.synaptics.weight_current. */ 6013 sc->syninfo.weight_current = 3; 6014 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6015 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6016 "weight_current", 6017 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6018 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 6019 synaptics_sysctl, "I", 6020 "Weight of the current movement in the new average"); 6021 6022 /* hw.psm.synaptics.weight_previous. */ 6023 sc->syninfo.weight_previous = 6; 6024 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6025 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6026 "weight_previous", 6027 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6028 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 6029 synaptics_sysctl, "I", 6030 "Weight of the previous average"); 6031 6032 /* hw.psm.synaptics.weight_previous_na. */ 6033 sc->syninfo.weight_previous_na = 20; 6034 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6035 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6036 "weight_previous_na", 6037 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6038 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 6039 synaptics_sysctl, "I", 6040 "Weight of the previous average (inside the noisy area)"); 6041 6042 /* hw.psm.synaptics.weight_len_squared. */ 6043 sc->syninfo.weight_len_squared = 2000; 6044 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6045 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6046 "weight_len_squared", 6047 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6048 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 6049 synaptics_sysctl, "I", 6050 "Length (squared) of segments where weight_previous " 6051 "starts to decrease"); 6052 6053 /* hw.psm.synaptics.div_min. */ 6054 sc->syninfo.div_min = 9; 6055 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6056 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6057 "div_min", 6058 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6059 sc, SYNAPTICS_SYSCTL_DIV_MIN, 6060 synaptics_sysctl, "I", 6061 "Divisor for fast movements"); 6062 6063 /* hw.psm.synaptics.div_max. */ 6064 sc->syninfo.div_max = 17; 6065 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6066 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6067 "div_max", 6068 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6069 sc, SYNAPTICS_SYSCTL_DIV_MAX, 6070 synaptics_sysctl, "I", 6071 "Divisor for slow movements"); 6072 6073 /* hw.psm.synaptics.div_max_na. */ 6074 sc->syninfo.div_max_na = 30; 6075 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6076 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6077 "div_max_na", 6078 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6079 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 6080 synaptics_sysctl, "I", 6081 "Divisor with slow movements (inside the noisy area)"); 6082 6083 /* hw.psm.synaptics.div_len. */ 6084 sc->syninfo.div_len = 100; 6085 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6086 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6087 "div_len", 6088 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6089 sc, SYNAPTICS_SYSCTL_DIV_LEN, 6090 synaptics_sysctl, "I", 6091 "Length of segments where div_max starts to decrease"); 6092 6093 /* hw.psm.synaptics.tap_max_delta. */ 6094 sc->syninfo.tap_max_delta = 80; 6095 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6096 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6097 "tap_max_delta", 6098 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6099 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 6100 synaptics_sysctl, "I", 6101 "Length of segments above which a tap is ignored"); 6102 6103 /* hw.psm.synaptics.tap_min_queue. */ 6104 sc->syninfo.tap_min_queue = 2; 6105 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6106 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6107 "tap_min_queue", 6108 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6109 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 6110 synaptics_sysctl, "I", 6111 "Number of packets required to consider a tap"); 6112 6113 /* hw.psm.synaptics.taphold_timeout. */ 6114 sc->gesture.in_taphold = 0; 6115 sc->syninfo.taphold_timeout = tap_timeout; 6116 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6117 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6118 "taphold_timeout", 6119 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6120 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 6121 synaptics_sysctl, "I", 6122 "Maximum elapsed time between two taps to consider a tap-hold " 6123 "action"); 6124 6125 /* hw.psm.synaptics.vscroll_hor_area. */ 6126 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 6127 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6128 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6129 "vscroll_hor_area", 6130 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6131 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 6132 synaptics_sysctl, "I", 6133 "Area reserved for horizontal virtual scrolling"); 6134 6135 /* hw.psm.synaptics.vscroll_ver_area. */ 6136 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 6137 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6138 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6139 "vscroll_ver_area", 6140 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6141 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 6142 synaptics_sysctl, "I", 6143 "Area reserved for vertical virtual scrolling"); 6144 6145 /* hw.psm.synaptics.vscroll_min_delta. */ 6146 sc->syninfo.vscroll_min_delta = 50; 6147 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6148 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6149 "vscroll_min_delta", 6150 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6151 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 6152 synaptics_sysctl, "I", 6153 "Minimum movement to consider virtual scrolling"); 6154 6155 /* hw.psm.synaptics.vscroll_div_min. */ 6156 sc->syninfo.vscroll_div_min = 100; 6157 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6158 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6159 "vscroll_div_min", 6160 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6161 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 6162 synaptics_sysctl, "I", 6163 "Divisor for fast scrolling"); 6164 6165 /* hw.psm.synaptics.vscroll_div_min. */ 6166 sc->syninfo.vscroll_div_max = 150; 6167 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6168 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6169 "vscroll_div_max", 6170 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6171 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 6172 synaptics_sysctl, "I", 6173 "Divisor for slow scrolling"); 6174 6175 /* hw.psm.synaptics.touchpad_off. */ 6176 sc->syninfo.touchpad_off = 0; 6177 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6178 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6179 "touchpad_off", 6180 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6181 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 6182 synaptics_sysctl, "I", 6183 "Turn off touchpad"); 6184 6185 sc->syninfo.three_finger_drag = 0; 6186 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6187 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6188 "three_finger_drag", 6189 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6190 sc, SYNAPTICS_SYSCTL_THREE_FINGER_DRAG, 6191 synaptics_sysctl, "I", 6192 "Enable dragging with three fingers"); 6193 6194 /* hw.psm.synaptics.natural_scroll. */ 6195 sc->syninfo.natural_scroll = 0; 6196 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6197 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6198 "natural_scroll", 6199 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6200 sc, SYNAPTICS_SYSCTL_NATURAL_SCROLL, 6201 synaptics_sysctl, "I", 6202 "Enable natural scrolling"); 6203 6204 sc->syninfo.softbuttons_y = 0; 6205 sc->syninfo.softbutton2_x = 0; 6206 sc->syninfo.softbutton3_x = 0; 6207 6208 /* skip softbuttons sysctl on not clickpads */ 6209 if (sc->synhw.capClickPad) 6210 synaptics_sysctl_create_softbuttons_tree(sc); 6211 } 6212 6213 static int 6214 synaptics_preferred_mode(struct psm_softc *sc) { 6215 int mode_byte; 6216 6217 /* Check if we are in relative mode */ 6218 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 6219 if (tap_enabled == 0) 6220 /* 6221 * Disable tap & drag gestures. We use a Mode Byte 6222 * and set the DisGest bit (see §2.5 of Synaptics 6223 * TouchPad Interfacing Guide). 6224 */ 6225 return (0x04); 6226 else 6227 /* 6228 * Enable tap & drag gestures. We use a Mode Byte 6229 * and clear the DisGest bit (see §2.5 of Synaptics 6230 * TouchPad Interfacing Guide). 6231 */ 6232 return (0x00); 6233 } 6234 6235 mode_byte = 0xc4; 6236 6237 /* request wmode where available */ 6238 if (sc->synhw.capExtended) 6239 mode_byte |= 1; 6240 6241 return mode_byte; 6242 } 6243 6244 static void 6245 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 6246 mouse_ext_command(sc->kbdc, mode_byte); 6247 6248 /* "Commit" the Set Mode Byte command sent above. */ 6249 set_mouse_sampling_rate(sc->kbdc, 20); 6250 6251 /* 6252 * Enable advanced gestures mode if supported and we are not entering 6253 * passthrough or relative mode. 6254 */ 6255 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 6256 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 6257 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODEL_ID); 6258 set_mouse_sampling_rate(sc->kbdc, 0xc8); 6259 } 6260 } 6261 6262 /* 6263 * AUX MUX detection code should be placed at very beginning of probe sequence 6264 * at least before 4-byte protocol mouse probes e.g. MS IntelliMouse probe as 6265 * latter can trigger switching the MUX to incompatible state. 6266 */ 6267 static int 6268 enable_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6269 { 6270 KBDC kbdc = sc->kbdc; 6271 int port, version; 6272 int probe = FALSE; 6273 int active_ports_count = 0; 6274 int active_ports_mask = 0; 6275 6276 sc->muxsinglesyna = FALSE; 6277 6278 if (mux_disabled == 1 || (mux_disabled == -1 && 6279 (kbdc->quirks & KBDC_QUIRK_DISABLE_MUX_PROBE) != 0)) 6280 return (FALSE); 6281 6282 version = enable_aux_mux(kbdc); 6283 if (version == -1) 6284 return (FALSE); 6285 6286 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6287 VLOG(3, (LOG_DEBUG, "aux_mux: ping port %d\n", port)); 6288 set_active_aux_mux_port(kbdc, port); 6289 if (enable_aux_dev(kbdc) && disable_aux_dev(kbdc)) { 6290 active_ports_count++; 6291 active_ports_mask |= 1 << port; 6292 } 6293 } 6294 6295 if (verbose >= 2) 6296 printf("Active Multiplexing PS/2 controller v%d.%d with %d " 6297 "active port(s)\n", version >> 4 & 0x0f, version & 0x0f, 6298 active_ports_count); 6299 6300 /* psm has a special support for GenMouse + SynTouchpad combination */ 6301 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6302 if ((active_ports_mask & 1 << port) == 0) 6303 continue; 6304 VLOG(3, (LOG_DEBUG, "aux_mux: probe port %d\n", port)); 6305 set_active_aux_mux_port(kbdc, port); 6306 probe = enable_synaptics(sc, arg); 6307 if (probe) { 6308 if (arg == PROBE) 6309 sc->muxport = port; 6310 break; 6311 } 6312 } 6313 6314 /* IRQ handler does not support active multiplexing mode */ 6315 disable_aux_mux(kbdc); 6316 6317 /* Is MUX still alive after switching back to legacy mode? */ 6318 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 6319 /* 6320 * On some laptops e.g. Lenovo X121e dead AUX MUX can be 6321 * brought back to life with resetting of keyboard. 6322 */ 6323 reset_kbd(kbdc); 6324 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 6325 device_printf(sc->dev, "AUX MUX hang detected!\n"); 6326 printf("Consider adding hw.psm.mux_disabled=1 to " 6327 "loader tunables\n"); 6328 } 6329 } 6330 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 6331 6332 /* Don't disable syncbit checks if Synaptics is only device on MUX */ 6333 if (active_ports_count == 1) 6334 sc->muxsinglesyna = probe; 6335 return (active_ports_count != 1 ? probe : FALSE); 6336 } 6337 6338 static int 6339 enable_single_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6340 { 6341 /* Synaptics device is already initialized in enable_synaptics_mux */ 6342 return (sc->muxsinglesyna); 6343 } 6344 6345 static int 6346 enable_synaptics(struct psm_softc *sc, enum probearg arg) 6347 { 6348 device_t psmcpnp; 6349 struct psmcpnp_softc *psmcpnp_sc; 6350 KBDC kbdc = sc->kbdc; 6351 synapticshw_t synhw; 6352 int status[3]; 6353 int buttons; 6354 6355 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6356 6357 /* 6358 * Just to be on the safe side: this avoids troubles with 6359 * following mouse_ext_command() when the previous command 6360 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6361 * Synaptics Touchpad behaviour. 6362 */ 6363 set_mouse_scaling(kbdc, 1); 6364 6365 /* Identify the Touchpad version. */ 6366 if (mouse_ext_command(kbdc, SYNAPTICS_READ_IDENTITY) == 0) 6367 return (FALSE); 6368 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6369 return (FALSE); 6370 if (status[1] != 0x47) 6371 return (FALSE); 6372 6373 bzero(&synhw, sizeof(synhw)); 6374 synhw.infoMinor = status[0]; 6375 synhw.infoMajor = status[2] & 0x0f; 6376 6377 if (verbose >= 2) 6378 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6379 synhw.infoMinor); 6380 6381 if (synhw.infoMajor < 4) { 6382 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6383 return (FALSE); 6384 } 6385 6386 /* Get the Touchpad model information. */ 6387 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODEL_ID) == 0) 6388 return (FALSE); 6389 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6390 return (FALSE); 6391 if ((status[1] & 0x01) != 0) { 6392 printf(" Failed to read model information\n"); 6393 return (FALSE); 6394 } 6395 6396 synhw.infoRot180 = (status[0] & 0x80) != 0; 6397 synhw.infoPortrait = (status[0] & 0x40) != 0; 6398 synhw.infoSensor = status[0] & 0x3f; 6399 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6400 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6401 synhw.capPen = (status[2] & 0x40) != 0; 6402 synhw.infoSimplC = (status[2] & 0x20) != 0; 6403 synhw.infoGeometry = status[2] & 0x0f; 6404 6405 if (verbose >= 2) { 6406 printf(" Model information:\n"); 6407 printf(" infoRot180: %d\n", synhw.infoRot180); 6408 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6409 printf(" infoSensor: %d\n", synhw.infoSensor); 6410 printf(" infoHardware: %d\n", synhw.infoHardware); 6411 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6412 printf(" capPen: %d\n", synhw.capPen); 6413 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6414 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6415 } 6416 6417 /* 6418 * Typical bezel limits. Taken from 'Synaptics 6419 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6420 */ 6421 synhw.maximumXCoord = 5472; 6422 synhw.maximumYCoord = 4448; 6423 synhw.minimumXCoord = 1472; 6424 synhw.minimumYCoord = 1408; 6425 6426 /* Read the extended capability bits. */ 6427 if (mouse_ext_command(kbdc, SYNAPTICS_READ_CAPABILITIES) == 0) 6428 return (FALSE); 6429 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6430 return (FALSE); 6431 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6432 printf(" Failed to read extended capability bits\n"); 6433 return (FALSE); 6434 } 6435 6436 psmcpnp = devclass_get_device(devclass_find(PSMCPNP_DRIVER_NAME), 6437 device_get_unit(sc->dev)); 6438 psmcpnp_sc = (psmcpnp != NULL) ? device_get_softc(psmcpnp) : NULL; 6439 6440 /* Set the different capabilities when they exist. */ 6441 buttons = 0; 6442 synhw.capExtended = (status[0] & 0x80) != 0; 6443 if (synhw.capExtended) { 6444 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6445 synhw.capMiddle = (status[0] & 0x04) != 0; 6446 synhw.capPassthrough = (status[2] & 0x80) != 0; 6447 synhw.capLowPower = (status[2] & 0x40) != 0; 6448 synhw.capMultiFingerReport = 6449 (status[2] & 0x20) != 0; 6450 synhw.capSleep = (status[2] & 0x10) != 0; 6451 synhw.capFourButtons = (status[2] & 0x08) != 0; 6452 synhw.capBallistics = (status[2] & 0x04) != 0; 6453 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6454 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6455 6456 if (!set_mouse_scaling(kbdc, 1)) 6457 return (FALSE); 6458 if (mouse_ext_command(kbdc, SYNAPTICS_READ_RESOLUTIONS) == 0) 6459 return (FALSE); 6460 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6461 return (FALSE); 6462 6463 if (status[0] != 0 && (status[1] & 0x80) && status[2] != 0) { 6464 synhw.infoXupmm = status[0]; 6465 synhw.infoYupmm = status[2]; 6466 } 6467 6468 if (verbose >= 2) { 6469 printf(" Extended capabilities:\n"); 6470 printf(" capExtended: %d\n", synhw.capExtended); 6471 printf(" capMiddle: %d\n", synhw.capMiddle); 6472 printf(" nExtendedQueries: %d\n", 6473 synhw.nExtendedQueries); 6474 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6475 printf(" capLowPower: %d\n", synhw.capLowPower); 6476 printf(" capMultiFingerReport: %d\n", 6477 synhw.capMultiFingerReport); 6478 printf(" capSleep: %d\n", synhw.capSleep); 6479 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6480 printf(" capBallistics: %d\n", synhw.capBallistics); 6481 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6482 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6483 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6484 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6485 } 6486 6487 /* 6488 * If nExtendedQueries is 1 or greater, then the TouchPad 6489 * supports this number of extended queries. We can load 6490 * more information about buttons using query 0x09. 6491 */ 6492 if (synhw.nExtendedQueries >= 1) { 6493 if (!set_mouse_scaling(kbdc, 1)) 6494 return (FALSE); 6495 if (mouse_ext_command(kbdc, 6496 SYNAPTICS_READ_EXTENDED) == 0) 6497 return (FALSE); 6498 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6499 return (FALSE); 6500 synhw.verticalScroll = (status[0] & 0x01) != 0; 6501 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6502 synhw.verticalWheel = (status[0] & 0x08) != 0; 6503 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6504 synhw.capEWmode = (status[0] & 0x04) != 0; 6505 if (verbose >= 2) { 6506 printf(" Extended model ID:\n"); 6507 printf(" verticalScroll: %d\n", 6508 synhw.verticalScroll); 6509 printf(" horizontalScroll: %d\n", 6510 synhw.horizontalScroll); 6511 printf(" verticalWheel: %d\n", 6512 synhw.verticalWheel); 6513 printf(" nExtendedButtons: %d\n", 6514 synhw.nExtendedButtons); 6515 printf(" capEWmode: %d\n", 6516 synhw.capEWmode); 6517 } 6518 /* 6519 * Add the number of extended buttons to the total 6520 * button support count, including the middle button 6521 * if capMiddle support bit is set. 6522 */ 6523 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6524 } else 6525 /* 6526 * If the capFourButtons support bit is set, 6527 * add a fourth button to the total button count. 6528 */ 6529 buttons = synhw.capFourButtons ? 1 : 0; 6530 6531 /* Read the continued capabilities bits. */ 6532 if (synhw.nExtendedQueries >= 4) { 6533 if (!set_mouse_scaling(kbdc, 1)) 6534 return (FALSE); 6535 if (mouse_ext_command(kbdc, 6536 SYNAPTICS_READ_CAPABILITIES_CONT) == 0) 6537 return (FALSE); 6538 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6539 return (FALSE); 6540 6541 synhw.capClickPad = (status[1] & 0x01) << 1; 6542 synhw.capClickPad |= (status[0] & 0x10) != 0; 6543 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6544 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6545 synhw.capReportsV = (status[1] & 0x08) != 0; 6546 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6547 synhw.capReportsMin = (status[1] & 0x20) != 0; 6548 synhw.capInterTouch = (status[1] & 0x40) != 0; 6549 synhw.capReportsMax = (status[0] & 0x02) != 0; 6550 synhw.capClearPad = (status[0] & 0x04) != 0; 6551 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6552 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6553 6554 if (synhw.capReportsMax) { 6555 if (!set_mouse_scaling(kbdc, 1)) 6556 return (FALSE); 6557 if (mouse_ext_command(kbdc, 6558 SYNAPTICS_READ_MAX_COORDS) == 0) 6559 return (FALSE); 6560 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6561 return (FALSE); 6562 6563 synhw.maximumXCoord = (status[0] << 5) | 6564 ((status[1] & 0x0f) << 1); 6565 synhw.maximumYCoord = (status[2] << 5) | 6566 ((status[1] & 0xf0) >> 3); 6567 } 6568 6569 if (synhw.capReportsMin) { 6570 if (!set_mouse_scaling(kbdc, 1)) 6571 return (FALSE); 6572 if (mouse_ext_command(kbdc, 6573 SYNAPTICS_READ_MIN_COORDS) == 0) 6574 return (FALSE); 6575 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6576 return (FALSE); 6577 6578 synhw.minimumXCoord = (status[0] << 5) | 6579 ((status[1] & 0x0f) << 1); 6580 synhw.minimumYCoord = (status[2] << 5) | 6581 ((status[1] & 0xf0) >> 3); 6582 } 6583 6584 /* 6585 * ClickPad properties are not exported through PS/2 6586 * protocol. Detection is based on controller's PnP ID. 6587 */ 6588 if (synhw.capClickPad && psmcpnp_sc != NULL) { 6589 switch (psmcpnp_sc->type) { 6590 case PSMCPNP_FORCEPAD: 6591 synhw.forcePad = 1; 6592 break; 6593 case PSMCPNP_TOPBUTTONPAD: 6594 synhw.topButtonPad = 1; 6595 break; 6596 default: 6597 break; 6598 } 6599 } 6600 6601 if (verbose >= 2) { 6602 printf(" Continued capabilities:\n"); 6603 printf(" capClickPad: %d\n", 6604 synhw.capClickPad); 6605 printf(" capDeluxeLEDs: %d\n", 6606 synhw.capDeluxeLEDs); 6607 printf(" noAbsoluteFilter: %d\n", 6608 synhw.noAbsoluteFilter); 6609 printf(" capReportsV: %d\n", 6610 synhw.capReportsV); 6611 printf(" capUniformClickPad: %d\n", 6612 synhw.capUniformClickPad); 6613 printf(" capReportsMin: %d\n", 6614 synhw.capReportsMin); 6615 printf(" capInterTouch: %d\n", 6616 synhw.capInterTouch); 6617 printf(" capReportsMax: %d\n", 6618 synhw.capReportsMax); 6619 printf(" capClearPad: %d\n", 6620 synhw.capClearPad); 6621 printf(" capAdvancedGestures: %d\n", 6622 synhw.capAdvancedGestures); 6623 printf(" capCoveredPad: %d\n", 6624 synhw.capCoveredPad); 6625 if (synhw.capReportsMax) { 6626 printf(" maximumXCoord: %d\n", 6627 synhw.maximumXCoord); 6628 printf(" maximumYCoord: %d\n", 6629 synhw.maximumYCoord); 6630 } 6631 if (synhw.capReportsMin) { 6632 printf(" minimumXCoord: %d\n", 6633 synhw.minimumXCoord); 6634 printf(" minimumYCoord: %d\n", 6635 synhw.minimumYCoord); 6636 } 6637 if (synhw.capClickPad) { 6638 printf(" Clickpad capabilities:\n"); 6639 printf(" forcePad: %d\n", 6640 synhw.forcePad); 6641 printf(" topButtonPad: %d\n", 6642 synhw.topButtonPad); 6643 } 6644 } 6645 buttons += synhw.capClickPad; 6646 } 6647 } 6648 6649 if (verbose >= 2) { 6650 if (synhw.capExtended) 6651 printf(" Additional Buttons: %d\n", buttons); 6652 else 6653 printf(" No extended capabilities\n"); 6654 } 6655 6656 /* 6657 * Add the default number of 3 buttons to the total 6658 * count of supported buttons reported above. 6659 */ 6660 buttons += 3; 6661 6662 /* 6663 * Read the mode byte. 6664 * 6665 * XXX: Note the Synaptics documentation also defines the first 6666 * byte of the response to this query to be a constant 0x3b, this 6667 * does not appear to be true for Touchpads with guest devices. 6668 */ 6669 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODES) == 0) 6670 return (FALSE); 6671 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6672 return (FALSE); 6673 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6674 printf(" Failed to read mode byte\n"); 6675 return (FALSE); 6676 } 6677 6678 if (arg == PROBE) 6679 sc->synhw = synhw; 6680 if (!synaptics_support) 6681 return (FALSE); 6682 6683 /* Set mouse type just now for synaptics_set_mode() */ 6684 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6685 6686 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6687 6688 if (trackpoint_support && synhw.capPassthrough) { 6689 enable_trackpoint(sc, arg); 6690 } 6691 6692 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6693 6694 if (arg == PROBE) { 6695 /* Create sysctl tree. */ 6696 synaptics_sysctl_create_tree(sc, "synaptics", 6697 "Synaptics TouchPad"); 6698 sc->hw.buttons = buttons; 6699 } 6700 6701 return (TRUE); 6702 } 6703 6704 static void 6705 synaptics_passthrough_on(struct psm_softc *sc) 6706 { 6707 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6708 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6709 } 6710 6711 static void 6712 synaptics_passthrough_off(struct psm_softc *sc) 6713 { 6714 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6715 set_mouse_scaling(sc->kbdc, 2); 6716 set_mouse_scaling(sc->kbdc, 1); 6717 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6718 } 6719 6720 /* IBM/Lenovo TrackPoint */ 6721 static int 6722 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6723 { 6724 const int seq[] = { 0xe2, cmd, loc, val }; 6725 int i; 6726 6727 if (sc->synhw.capPassthrough) 6728 synaptics_passthrough_on(sc); 6729 6730 for (i = 0; i < nitems(seq); i++) { 6731 if (sc->synhw.capPassthrough && 6732 (seq[i] == 0xff || seq[i] == 0xe7)) 6733 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6734 synaptics_passthrough_off(sc); 6735 return (EIO); 6736 } 6737 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6738 if (sc->synhw.capPassthrough) 6739 synaptics_passthrough_off(sc); 6740 return (EIO); 6741 } 6742 } 6743 6744 if (sc->synhw.capPassthrough) 6745 synaptics_passthrough_off(sc); 6746 6747 return (0); 6748 } 6749 6750 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6751 #define TPMASK 0 6752 #define TPLOC 1 6753 #define TPINFO 2 6754 6755 static int 6756 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6757 { 6758 static const int data[][3] = { 6759 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6760 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6761 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6762 { 0x00, 0x57, PSM_TPINFO(reach) }, 6763 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6764 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6765 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6766 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6767 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6768 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6769 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6770 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6771 }; 6772 struct psm_softc *sc; 6773 int error, newval, *oldvalp; 6774 const int *tp; 6775 6776 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6777 return (EINVAL); 6778 sc = arg1; 6779 tp = data[arg2]; 6780 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6781 newval = *oldvalp; 6782 error = sysctl_handle_int(oidp, &newval, 0, req); 6783 if (error != 0) 6784 return (error); 6785 if (newval == *oldvalp) 6786 return (0); 6787 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6788 return (EINVAL); 6789 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6790 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6791 if (error != 0) 6792 return (error); 6793 *oldvalp = newval; 6794 6795 return (0); 6796 } 6797 6798 static void 6799 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6800 { 6801 6802 if (sc->tpinfo.sysctl_tree != NULL) 6803 return; 6804 6805 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6806 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6807 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6808 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", 6809 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "IBM/Lenovo TrackPoint"); 6810 6811 /* hw.psm.trackpoint.sensitivity */ 6812 sc->tpinfo.sensitivity = 0x80; 6813 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6814 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6815 "sensitivity", 6816 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6817 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6818 trackpoint_sysctl, "I", 6819 "Sensitivity"); 6820 6821 /* hw.psm.trackpoint.negative_inertia */ 6822 sc->tpinfo.inertia = 0x06; 6823 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6824 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6825 "negative_inertia", 6826 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6827 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6828 trackpoint_sysctl, "I", 6829 "Negative inertia factor"); 6830 6831 /* hw.psm.trackpoint.upper_plateau */ 6832 sc->tpinfo.uplateau = 0x61; 6833 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6834 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6835 "upper_plateau", 6836 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6837 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6838 trackpoint_sysctl, "I", 6839 "Transfer function upper plateau speed"); 6840 6841 /* hw.psm.trackpoint.backup_range */ 6842 sc->tpinfo.reach = 0x0a; 6843 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6844 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6845 "backup_range", 6846 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6847 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6848 trackpoint_sysctl, "I", 6849 "Backup range"); 6850 6851 /* hw.psm.trackpoint.drag_hysteresis */ 6852 sc->tpinfo.draghys = 0xff; 6853 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6854 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6855 "drag_hysteresis", 6856 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6857 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6858 trackpoint_sysctl, "I", 6859 "Drag hysteresis"); 6860 6861 /* hw.psm.trackpoint.minimum_drag */ 6862 sc->tpinfo.mindrag = 0x14; 6863 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6864 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6865 "minimum_drag", 6866 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6867 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6868 trackpoint_sysctl, "I", 6869 "Minimum drag"); 6870 6871 /* hw.psm.trackpoint.up_threshold */ 6872 sc->tpinfo.upthresh = 0xff; 6873 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6874 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6875 "up_threshold", 6876 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6877 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6878 trackpoint_sysctl, "I", 6879 "Up threshold for release"); 6880 6881 /* hw.psm.trackpoint.threshold */ 6882 sc->tpinfo.threshold = 0x08; 6883 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6884 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6885 "threshold", 6886 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6887 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6888 trackpoint_sysctl, "I", 6889 "Threshold"); 6890 6891 /* hw.psm.trackpoint.jenks_curvature */ 6892 sc->tpinfo.jenks = 0x87; 6893 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6894 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6895 "jenks_curvature", 6896 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6897 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6898 trackpoint_sysctl, "I", 6899 "Jenks curvature"); 6900 6901 /* hw.psm.trackpoint.z_time */ 6902 sc->tpinfo.ztime = 0x26; 6903 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6904 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6905 "z_time", 6906 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6907 sc, TRACKPOINT_SYSCTL_Z_TIME, 6908 trackpoint_sysctl, "I", 6909 "Z time constant"); 6910 6911 /* hw.psm.trackpoint.press_to_select */ 6912 sc->tpinfo.pts = 0x00; 6913 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6914 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6915 "press_to_select", 6916 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6917 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6918 trackpoint_sysctl, "I", 6919 "Press to Select"); 6920 6921 /* hw.psm.trackpoint.skip_backups */ 6922 sc->tpinfo.skipback = 0x00; 6923 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6924 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6925 "skip_backups", 6926 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6927 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6928 trackpoint_sysctl, "I", 6929 "Skip backups from drags"); 6930 } 6931 6932 static void 6933 set_trackpoint_parameters(struct psm_softc *sc) 6934 { 6935 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6936 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6937 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6938 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6939 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6940 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6941 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6942 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6943 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6944 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6945 if (sc->tpinfo.pts == 0x01) 6946 trackpoint_command(sc, 0x47, 0x2c, 0x01); 6947 if (sc->tpinfo.skipback == 0x01) 6948 trackpoint_command(sc, 0x47, 0x2d, 0x08); 6949 } 6950 6951 static int 6952 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 6953 { 6954 KBDC kbdc = sc->kbdc; 6955 int id; 6956 6957 /* 6958 * If called from enable_synaptics(), make sure that passthrough 6959 * mode is enabled so we can reach the trackpoint. 6960 * However, passthrough mode must be disabled before setting the 6961 * trackpoint parameters, as rackpoint_command() enables and disables 6962 * passthrough mode on its own. 6963 */ 6964 if (sc->synhw.capPassthrough) 6965 synaptics_passthrough_on(sc); 6966 6967 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 6968 read_aux_data(kbdc) != 0x01) 6969 goto no_trackpoint; 6970 id = read_aux_data(kbdc); 6971 if (id < 0x01) 6972 goto no_trackpoint; 6973 if (arg == PROBE) 6974 sc->tphw = id; 6975 if (!trackpoint_support) 6976 goto no_trackpoint; 6977 6978 if (sc->synhw.capPassthrough) 6979 synaptics_passthrough_off(sc); 6980 6981 if (arg == PROBE) { 6982 trackpoint_sysctl_create_tree(sc); 6983 /* 6984 * Don't overwrite hwid and buttons when we are 6985 * a guest device. 6986 */ 6987 if (!sc->synhw.capPassthrough) { 6988 sc->hw.hwid = id; 6989 sc->hw.buttons = 3; 6990 } 6991 } 6992 6993 set_trackpoint_parameters(sc); 6994 6995 return (TRUE); 6996 6997 no_trackpoint: 6998 if (sc->synhw.capPassthrough) 6999 synaptics_passthrough_off(sc); 7000 7001 return (FALSE); 7002 } 7003 7004 /* Interlink electronics VersaPad */ 7005 static int 7006 enable_versapad(struct psm_softc *sc, enum probearg arg) 7007 { 7008 KBDC kbdc = sc->kbdc; 7009 int data[3]; 7010 7011 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 7012 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 7013 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7014 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7015 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7016 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7017 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 7018 return (FALSE); 7019 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 7020 return (FALSE); 7021 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7022 7023 return (TRUE); /* PS/2 absolute mode */ 7024 } 7025 7026 /* Elantech Touchpad */ 7027 static int 7028 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 7029 { 7030 int res, readcmd, retidx; 7031 int resp[3]; 7032 7033 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 7034 retidx = hwversion == 4 ? 1 : 0; 7035 7036 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7037 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 7038 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7039 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7040 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7041 7042 if (res == 0) 7043 *val = resp[retidx]; 7044 7045 return (res); 7046 } 7047 7048 static int 7049 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 7050 { 7051 int res, writecmd; 7052 7053 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 7054 7055 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7056 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7057 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7058 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7059 if (hwversion == 4) { 7060 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7061 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7062 } 7063 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7064 res |= send_aux_command(kbdc, val) != PSM_ACK; 7065 res |= set_mouse_scaling(kbdc, 1) == 0; 7066 7067 return (res); 7068 } 7069 7070 static int 7071 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 7072 { 7073 int res; 7074 7075 if (hwversion == 2) { 7076 res = set_mouse_scaling(kbdc, 1) == 0; 7077 res |= mouse_ext_command(kbdc, cmd) == 0; 7078 } else { 7079 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7080 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 7081 } 7082 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7083 7084 return (res); 7085 } 7086 7087 static int 7088 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 7089 { 7090 int i, val, res, hwversion, reg10; 7091 7092 /* set absolute mode */ 7093 hwversion = elanhw->hwversion; 7094 reg10 = -1; 7095 switch (hwversion) { 7096 case 2: 7097 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 7098 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7099 if (res) 7100 break; 7101 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 7102 break; 7103 case 3: 7104 reg10 = 0x0b; 7105 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7106 break; 7107 case 4: 7108 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 7109 break; 7110 default: 7111 res = 1; 7112 } 7113 7114 /* Read back reg 0x10 to ensure hardware is ready. */ 7115 if (res == 0 && reg10 >= 0) { 7116 for (i = 0; i < 5; i++) { 7117 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 7118 break; 7119 DELAY(2000); 7120 } 7121 if (i == 5) 7122 res = 1; 7123 } 7124 7125 if (res) 7126 printf("couldn't set absolute mode\n"); 7127 7128 return (res); 7129 } 7130 7131 static void 7132 elantech_init_synaptics(struct psm_softc *sc) 7133 { 7134 7135 /* Set capabilites required by movement smother */ 7136 sc->synhw.infoMajor = sc->elanhw.hwversion; 7137 sc->synhw.infoMinor = sc->elanhw.fwversion; 7138 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 7139 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 7140 sc->synhw.verticalScroll = 0; 7141 sc->synhw.nExtendedQueries = 4; 7142 sc->synhw.capExtended = 1; 7143 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 7144 sc->synhw.capClickPad = sc->elanhw.isclickpad; 7145 sc->synhw.capMultiFinger = 1; 7146 if (sc->elanhw.issemimt) 7147 sc->synhw.capAdvancedGestures = 1; 7148 else 7149 sc->synhw.capReportsV = 1; 7150 sc->synhw.capPalmDetect = 1; 7151 sc->synhw.capPen = 0; 7152 sc->synhw.capReportsMax = 1; 7153 sc->synhw.maximumXCoord = sc->elanhw.sizex; 7154 sc->synhw.maximumYCoord = sc->elanhw.sizey; 7155 sc->synhw.capReportsMin = 1; 7156 sc->synhw.minimumXCoord = 0; 7157 sc->synhw.minimumYCoord = 0; 7158 7159 if (sc->syninfo.sysctl_tree == NULL) { 7160 synaptics_sysctl_create_tree(sc, "elantech", 7161 "Elantech Touchpad"); 7162 7163 /* 7164 * Adjust synaptic smoother tunables 7165 * 1. Disable finger detection pressure threshold. Unlike 7166 * synaptics we assume the finger is acting when packet with 7167 * its X&Y arrives not when pressure exceedes some threshold 7168 * 2. Disable unrelated features like margins and noisy areas 7169 * 3. Disable virtual scroll areas as 2nd finger is preferable 7170 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 7171 * softbuttons 7172 * 5. Scale down divisors and movement lengths by a factor of 3 7173 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 7174 */ 7175 7176 /* Set reporting range to be equal touchpad size */ 7177 sc->syninfo.max_x = sc->elanhw.sizex; 7178 sc->syninfo.max_y = sc->elanhw.sizey; 7179 7180 /* Disable finger detection pressure threshold */ 7181 sc->syninfo.min_pressure = 1; 7182 7183 /* Adjust palm width to nearly match synaptics w=10 */ 7184 sc->syninfo.max_width = 7; 7185 7186 /* Elans often report double & triple taps as single event */ 7187 sc->syninfo.tap_min_queue = 1; 7188 7189 /* Use full area of touchpad */ 7190 sc->syninfo.margin_top = 0; 7191 sc->syninfo.margin_right = 0; 7192 sc->syninfo.margin_bottom = 0; 7193 sc->syninfo.margin_left = 0; 7194 7195 /* Disable noisy area */ 7196 sc->syninfo.na_top = 0; 7197 sc->syninfo.na_right = 0; 7198 sc->syninfo.na_bottom = 0; 7199 sc->syninfo.na_left = 0; 7200 7201 /* Tune divisors and movement lengths */ 7202 sc->syninfo.weight_len_squared = 200; 7203 sc->syninfo.div_min = 3; 7204 sc->syninfo.div_max = 6; 7205 sc->syninfo.div_max_na = 10; 7206 sc->syninfo.div_len = 30; 7207 sc->syninfo.tap_max_delta = 25; 7208 7209 /* Disable virtual scrolling areas and tune its divisors */ 7210 sc->syninfo.vscroll_hor_area = 0; 7211 sc->syninfo.vscroll_ver_area = 0; 7212 sc->syninfo.vscroll_min_delta = 15; 7213 sc->syninfo.vscroll_div_min = 30; 7214 sc->syninfo.vscroll_div_max = 50; 7215 7216 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 7217 if (sc->elanhw.isclickpad) { 7218 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 7219 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 7220 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 7221 } 7222 } 7223 7224 return; 7225 } 7226 7227 static int 7228 enable_elantech(struct psm_softc *sc, enum probearg arg) 7229 { 7230 static const int ic2hw[] = 7231 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 7232 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }; 7233 static const int fw_sizes[][3] = { 7234 /* FW.vers MaxX MaxY */ 7235 { 0x020030, 1152, 768 }, 7236 { 0x020800, 1152, 768 }, 7237 { 0x020b00, 1152, 768 }, 7238 { 0x040215, 900, 500 }, 7239 { 0x040216, 819, 405 }, 7240 { 0x040219, 900, 500 }, 7241 }; 7242 elantechhw_t elanhw; 7243 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 7244 KBDC kbdc = sc->kbdc; 7245 7246 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 7247 7248 set_mouse_scaling(kbdc, 1); 7249 set_mouse_scaling(kbdc, 1); 7250 set_mouse_scaling(kbdc, 1); 7251 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 7252 return (FALSE); 7253 7254 if (!ELANTECH_MAGIC(resp)) 7255 return (FALSE); 7256 7257 /* Identify the Touchpad version. */ 7258 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 7259 return (FALSE); 7260 7261 bzero(&elanhw, sizeof(elanhw)); 7262 7263 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 7264 icversion = resp[0] & 0x0f; 7265 hwversion = ic2hw[icversion]; 7266 7267 if (verbose >= 2) 7268 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 7269 hwversion, elanhw.fwversion); 7270 7271 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 7272 printf (" Unsupported touchpad hardware (v1)\n"); 7273 return (FALSE); 7274 } 7275 if (hwversion == 0) { 7276 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 7277 elanhw.fwversion); 7278 return (FALSE); 7279 } 7280 7281 /* Get the Touchpad model information. */ 7282 elanhw.hwversion = hwversion; 7283 elanhw.issemimt = hwversion == 2; 7284 elanhw.isclickpad = (resp[1] & 0x10) != 0; 7285 elanhw.hascrc = (resp[1] & 0x40) != 0; 7286 elanhw.haspressure = elanhw.fwversion >= 0x020800; 7287 7288 /* Read the capability bits. */ 7289 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 7290 printf(" Failed to read capability bits\n"); 7291 return (FALSE); 7292 } 7293 7294 elanhw.ntracesx = imax(resp[1], 3); 7295 elanhw.ntracesy = imax(resp[2], 3); 7296 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 7297 7298 /* Get the touchpad resolution */ 7299 switch (hwversion) { 7300 case 4: 7301 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 7302 == 0) { 7303 dpix = (resp[1] & 0x0f) * 10 + 790; 7304 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 7305 elanhw.dpmmx = (dpix * 10 + 5) / 254; 7306 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 7307 break; 7308 } 7309 /* FALLTHROUGH */ 7310 case 2: 7311 case 3: 7312 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 7313 break; 7314 } 7315 7316 if (!elantech_support) 7317 return (FALSE); 7318 7319 if (elantech_init(kbdc, &elanhw)) { 7320 printf("couldn't initialize elantech touchpad\n"); 7321 return (FALSE); 7322 } 7323 7324 /* 7325 * Get the touchpad reporting range. 7326 * On HW v.3 touchpads it should be done after switching hardware 7327 * to real resolution mode (by setting bit 3 of reg10) 7328 */ 7329 elanhw.dptracex = elanhw.dptracey = 64; 7330 for (i = 0; i < nitems(fw_sizes); i++) { 7331 if (elanhw.fwversion == fw_sizes[i][0]) { 7332 elanhw.sizex = fw_sizes[i][1]; 7333 elanhw.sizey = fw_sizes[i][2]; 7334 goto found; 7335 } 7336 } 7337 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 7338 printf(" Failed to read touchpad size\n"); 7339 elanhw.sizex = 10000; /* Arbitrary high values to */ 7340 elanhw.sizey = 10000; /* prevent clipping in smoother */ 7341 } else if (hwversion == 2) { 7342 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 7343 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 7344 elanhw.dptracex = resp[1] / 2; 7345 elanhw.dptracey = resp[2] / 2; 7346 } 7347 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 7348 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 7349 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 7350 } else { 7351 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 7352 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 7353 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 7354 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 7355 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 7356 } 7357 found: 7358 if (verbose >= 2) { 7359 printf(" Model information:\n"); 7360 printf(" MaxX: %d\n", elanhw.sizex); 7361 printf(" MaxY: %d\n", elanhw.sizey); 7362 printf(" DpmmX: %d\n", elanhw.dpmmx); 7363 printf(" DpmmY: %d\n", elanhw.dpmmy); 7364 printf(" TracesX: %d\n", elanhw.ntracesx); 7365 printf(" TracesY: %d\n", elanhw.ntracesy); 7366 printf(" DptraceX: %d\n", elanhw.dptracex); 7367 printf(" DptraceY: %d\n", elanhw.dptracey); 7368 printf(" SemiMT: %d\n", elanhw.issemimt); 7369 printf(" Clickpad: %d\n", elanhw.isclickpad); 7370 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 7371 printf(" CRC: %d\n", elanhw.hascrc); 7372 printf(" Pressure: %d\n", elanhw.haspressure); 7373 } 7374 7375 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 7376 7377 if (arg == PROBE) { 7378 sc->elanhw = elanhw; 7379 sc->hw.buttons = 3; 7380 7381 /* Initialize synaptics movement smoother */ 7382 elantech_init_synaptics(sc); 7383 7384 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 7385 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 7386 } 7387 7388 return (TRUE); 7389 } 7390 7391 /* 7392 * Return true if 'now' is earlier than (start + (secs.usecs)). 7393 * Now may be NULL and the function will fetch the current time from 7394 * getmicrouptime(), or a cached 'now' can be passed in. 7395 * All values should be numbers derived from getmicrouptime(). 7396 */ 7397 static int 7398 timeelapsed(start, secs, usecs, now) 7399 const struct timeval *start, *now; 7400 int secs, usecs; 7401 { 7402 struct timeval snow, tv; 7403 7404 /* if there is no 'now' passed in, the get it as a convience. */ 7405 if (now == NULL) { 7406 getmicrouptime(&snow); 7407 now = &snow; 7408 } 7409 7410 tv.tv_sec = secs; 7411 tv.tv_usec = usecs; 7412 timevaladd(&tv, start); 7413 return (timevalcmp(&tv, now, <)); 7414 } 7415 7416 static int 7417 psmresume(device_t dev) 7418 { 7419 struct psm_softc *sc = device_get_softc(dev); 7420 int err; 7421 7422 VDLOG(2, dev, LOG_NOTICE, "system resume hook called.\n"); 7423 7424 if ((sc->config & 7425 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 7426 return (0); 7427 7428 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 7429 7430 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 7431 /* 7432 * Release the blocked process; it must be notified that 7433 * the device cannot be accessed anymore. 7434 */ 7435 sc->state &= ~PSM_ASLP; 7436 wakeup(sc); 7437 } 7438 7439 VDLOG(2, dev, LOG_DEBUG, "system resume hook exiting.\n"); 7440 7441 return (err); 7442 } 7443 7444 DRIVER_MODULE(psm, atkbdc, psm_driver, 0, 0); 7445 #ifdef EVDEV_SUPPORT 7446 MODULE_DEPEND(psm, evdev, 1, 1, 1); 7447 #endif 7448 7449 #ifdef DEV_ISA 7450 7451 /* 7452 * This sucks up assignments from PNPBIOS and ACPI. 7453 */ 7454 7455 /* 7456 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 7457 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 7458 * can be probed and attached only after the AT keyboard controller is 7459 * attached, we shall quietly reserve the IRQ resource for later use. 7460 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 7461 * copy the IRQ resource to the PS/2 mouse device instance hanging 7462 * under the keyboard controller, then probe and attach it. 7463 */ 7464 7465 static device_probe_t psmcpnp_probe; 7466 static device_attach_t psmcpnp_attach; 7467 7468 static device_method_t psmcpnp_methods[] = { 7469 DEVMETHOD(device_probe, psmcpnp_probe), 7470 DEVMETHOD(device_attach, psmcpnp_attach), 7471 { 0, 0 } 7472 }; 7473 7474 static driver_t psmcpnp_driver = { 7475 PSMCPNP_DRIVER_NAME, 7476 psmcpnp_methods, 7477 sizeof(struct psmcpnp_softc), 7478 }; 7479 7480 static struct isa_pnp_id psmcpnp_ids[] = { 7481 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7482 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7483 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7484 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7485 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7486 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7487 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7488 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7489 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7490 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7491 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7492 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7493 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7494 { 0 } 7495 }; 7496 7497 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7498 static struct isa_pnp_id topbtpad_ids[] = { 7499 { 0x1700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0017, ThinkPad */ 7500 { 0x1800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0018, ThinkPad */ 7501 { 0x1900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0019, ThinkPad */ 7502 { 0x2300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0023, ThinkPad */ 7503 { 0x2a00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002a, ThinkPad */ 7504 { 0x2b00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002b, ThinkPad */ 7505 { 0x2c00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002c, ThinkPad */ 7506 { 0x2d00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002d, ThinkPad */ 7507 { 0x2e00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002e, ThinkPad */ 7508 { 0x3300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0033, ThinkPad */ 7509 { 0x3400ae30, "Lenovo PS/2 clickpad port" }, /* LEN0034, ThinkPad */ 7510 { 0x3500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0035, ThinkPad */ 7511 { 0x3600ae30, "Lenovo PS/2 clickpad port" }, /* LEN0036, ThinkPad */ 7512 { 0x3700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0037, ThinkPad */ 7513 { 0x3800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0038, ThinkPad */ 7514 { 0x3900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0039, ThinkPad */ 7515 { 0x4100ae30, "Lenovo PS/2 clickpad port" }, /* LEN0041, ThinkPad */ 7516 { 0x4200ae30, "Lenovo PS/2 clickpad port" }, /* LEN0042, ThinkPad */ 7517 { 0x4500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0045, ThinkPad */ 7518 { 0x4700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0047, ThinkPad */ 7519 { 0x4900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0049, ThinkPad */ 7520 { 0x0020ae30, "Lenovo PS/2 clickpad port" }, /* LEN2000, ThinkPad */ 7521 { 0x0120ae30, "Lenovo PS/2 clickpad port" }, /* LEN2001, ThinkPad */ 7522 { 0x0220ae30, "Lenovo PS/2 clickpad port" }, /* LEN2002, ThinkPad */ 7523 { 0x0320ae30, "Lenovo PS/2 clickpad port" }, /* LEN2003, ThinkPad */ 7524 { 0x0420ae30, "Lenovo PS/2 clickpad port" }, /* LEN2004, ThinkPad */ 7525 { 0x0520ae30, "Lenovo PS/2 clickpad port" }, /* LEN2005, ThinkPad */ 7526 { 0x0620ae30, "Lenovo PS/2 clickpad port" }, /* LEN2006, ThinkPad */ 7527 { 0x0720ae30, "Lenovo PS/2 clickpad port" }, /* LEN2007, ThinkPad */ 7528 { 0x0820ae30, "Lenovo PS/2 clickpad port" }, /* LEN2008, ThinkPad */ 7529 { 0x0920ae30, "Lenovo PS/2 clickpad port" }, /* LEN2009, ThinkPad */ 7530 { 0x0a20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200a, ThinkPad */ 7531 { 0x0b20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200b, ThinkPad */ 7532 { 0 } 7533 }; 7534 7535 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7536 static struct isa_pnp_id forcepad_ids[] = { 7537 { 0x0d302e4f, "HP PS/2 forcepad port" }, /* SYN300D, EB 1040 */ 7538 { 0x14302e4f, "HP PS/2 forcepad port" }, /* SYN3014, EB 1040 */ 7539 { 0 } 7540 }; 7541 7542 static int 7543 create_a_copy(device_t atkbdc, device_t me) 7544 { 7545 device_t psm; 7546 u_long irq; 7547 7548 /* find the PS/2 mouse device instance under the keyboard controller */ 7549 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7550 device_get_unit(atkbdc)); 7551 if (psm == NULL) 7552 return (ENXIO); 7553 if (device_get_state(psm) != DS_NOTPRESENT) 7554 return (0); 7555 7556 /* move our resource to the found device */ 7557 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7558 bus_delete_resource(me, SYS_RES_IRQ, 0); 7559 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7560 7561 /* ...then probe and attach it */ 7562 return (device_probe_and_attach(psm)); 7563 } 7564 7565 static int 7566 psmcpnp_probe(device_t dev) 7567 { 7568 struct psmcpnp_softc *sc = device_get_softc(dev); 7569 struct resource *res; 7570 u_long irq; 7571 int rid; 7572 7573 if (ISA_PNP_PROBE(device_get_parent(dev), dev, forcepad_ids) == 0) 7574 sc->type = PSMCPNP_FORCEPAD; 7575 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, topbtpad_ids) == 0) 7576 sc->type = PSMCPNP_TOPBUTTONPAD; 7577 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids) == 0) 7578 sc->type = PSMCPNP_GENERIC; 7579 else 7580 return (ENXIO); 7581 7582 /* 7583 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7584 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7585 * declares the PS/2 mouse device node without an IRQ resource! 7586 * If this happens, we shall refer to device hints. 7587 * If we still don't find it there, use a hardcoded value... XXX 7588 */ 7589 rid = 0; 7590 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7591 if (irq <= 0) { 7592 if (resource_long_value(PSM_DRIVER_NAME, 7593 device_get_unit(dev),"irq", &irq) != 0) 7594 irq = 12; /* XXX */ 7595 device_printf(dev, "irq resource info is missing; " 7596 "assuming irq %ld\n", irq); 7597 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7598 } 7599 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7600 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7601 7602 /* keep quiet */ 7603 if (!bootverbose) 7604 device_quiet(dev); 7605 7606 return ((res == NULL) ? ENXIO : 0); 7607 } 7608 7609 static int 7610 psmcpnp_attach(device_t dev) 7611 { 7612 device_t atkbdc; 7613 7614 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7615 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7616 device_get_unit(dev)); 7617 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7618 create_a_copy(atkbdc, dev); 7619 7620 return (0); 7621 } 7622 7623 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, 0, 0); 7624 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, 0, 0); 7625 ISA_PNP_INFO(psmcpnp_ids); 7626 #endif /* DEV_ISA */
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