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 #include "opt_isa.h" 63 #include "opt_psm.h" 64 #include "opt_evdev.h" 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #include <sys/kernel.h> 69 #include <sys/lock.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/conf.h> 73 #include <sys/filio.h> 74 #include <sys/mutex.h> 75 #include <sys/poll.h> 76 #include <sys/sigio.h> 77 #include <sys/signalvar.h> 78 #include <sys/syslog.h> 79 #include <machine/bus.h> 80 #include <sys/rman.h> 81 #include <sys/selinfo.h> 82 #include <sys/sysctl.h> 83 #include <sys/time.h> 84 #include <sys/uio.h> 85 86 #include <sys/limits.h> 87 #include <sys/mouse.h> 88 #include <machine/resource.h> 89 90 #ifdef DEV_ISA 91 #include <isa/isavar.h> 92 #endif 93 94 #ifdef EVDEV_SUPPORT 95 #include <dev/evdev/evdev.h> 96 #include <dev/evdev/input.h> 97 #endif 98 99 #include <dev/atkbdc/atkbdcreg.h> 100 #include <dev/atkbdc/psm.h> 101 102 /* 103 * Driver specific options: the following options may be set by 104 * `options' statements in the kernel configuration file. 105 */ 106 107 /* debugging */ 108 #ifndef PSM_DEBUG 109 #define PSM_DEBUG 0 /* 110 * logging: 0: none, 1: brief, 2: verbose 111 * 3: sync errors, 4: all packets 112 */ 113 #endif 114 #define VLOG(level, args) do { \ 115 if (verbose >= level) \ 116 log args; \ 117 } while (0) 118 #define VDLOG(level, ...) do { \ 119 if (verbose >= level) \ 120 device_log(__VA_ARGS__); \ 121 } while (0) 122 123 #ifndef PSM_INPUT_TIMEOUT 124 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 125 #endif 126 127 #ifndef PSM_TAP_TIMEOUT 128 #define PSM_TAP_TIMEOUT 125000 129 #endif 130 131 #ifndef PSM_TAP_THRESHOLD 132 #define PSM_TAP_THRESHOLD 25 133 #endif 134 135 /* end of driver specific options */ 136 137 #define PSMCPNP_DRIVER_NAME "psmcpnp" 138 139 struct psmcpnp_softc { 140 enum { 141 PSMCPNP_GENERIC, 142 PSMCPNP_FORCEPAD, 143 PSMCPNP_TOPBUTTONPAD, 144 } type; /* Based on PnP ID */ 145 }; 146 147 /* input queue */ 148 #define PSM_BUFSIZE 960 149 #define PSM_SMALLBUFSIZE 240 150 151 /* operation levels */ 152 #define PSM_LEVEL_BASE 0 153 #define PSM_LEVEL_STANDARD 1 154 #define PSM_LEVEL_NATIVE 2 155 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 156 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 157 158 /* Active PS/2 multiplexing */ 159 #define PSM_NOMUX (-1) 160 161 /* Logitech PS2++ protocol */ 162 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 163 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 164 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 165 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 166 167 /* ring buffer */ 168 typedef struct ringbuf { 169 int count; /* # of valid elements in the buffer */ 170 int head; /* head pointer */ 171 int tail; /* tail poiner */ 172 u_char buf[PSM_BUFSIZE]; 173 } ringbuf_t; 174 175 /* data buffer */ 176 typedef struct packetbuf { 177 u_char ipacket[16]; /* interim input buffer */ 178 int inputbytes; /* # of bytes in the input buffer */ 179 } packetbuf_t; 180 181 #ifndef PSM_PACKETQUEUE 182 #define PSM_PACKETQUEUE 128 183 #endif 184 185 /* 186 * Synaptics command definitions. 187 */ 188 #define SYNAPTICS_READ_IDENTITY 0x00 189 #define SYNAPTICS_READ_MODES 0x01 190 #define SYNAPTICS_READ_CAPABILITIES 0x02 191 #define SYNAPTICS_READ_MODEL_ID 0x03 192 #define SYNAPTICS_READ_SERIAL_PREFIX 0x06 193 #define SYNAPTICS_READ_SERIAL_SUFFIX 0x07 194 #define SYNAPTICS_READ_RESOLUTIONS 0x08 195 #define SYNAPTICS_READ_EXTENDED 0x09 196 #define SYNAPTICS_READ_CAPABILITIES_CONT 0x0c 197 #define SYNAPTICS_READ_MAX_COORDS 0x0d 198 #define SYNAPTICS_READ_DELUXE_LED 0x0e 199 #define SYNAPTICS_READ_MIN_COORDS 0x0f 200 201 typedef struct synapticsinfo { 202 struct sysctl_ctx_list sysctl_ctx; 203 struct sysctl_oid *sysctl_tree; 204 int directional_scrolls; 205 int two_finger_scroll; 206 int min_pressure; 207 int max_pressure; 208 int max_width; 209 int margin_top; 210 int margin_right; 211 int margin_bottom; 212 int margin_left; 213 int na_top; 214 int na_right; 215 int na_bottom; 216 int na_left; 217 int window_min; 218 int window_max; 219 int multiplicator; 220 int weight_current; 221 int weight_previous; 222 int weight_previous_na; 223 int weight_len_squared; 224 int div_min; 225 int div_max; 226 int div_max_na; 227 int div_len; 228 int tap_max_delta; 229 int tap_min_queue; 230 int taphold_timeout; 231 int vscroll_ver_area; 232 int vscroll_hor_area; 233 int vscroll_min_delta; 234 int vscroll_div_min; 235 int vscroll_div_max; 236 int touchpad_off; 237 int softbuttons_y; 238 int softbutton2_x; 239 int softbutton3_x; 240 int max_x; 241 int max_y; 242 int three_finger_drag; 243 int natural_scroll; 244 } synapticsinfo_t; 245 246 typedef struct synapticspacket { 247 int x; 248 int y; 249 } synapticspacket_t; 250 251 #define SYNAPTICS_PACKETQUEUE 10 252 #define SYNAPTICS_QUEUE_CURSOR(x) \ 253 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 254 255 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 256 ((synhw).infoMajor > (major) || \ 257 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 258 259 typedef struct smoother { 260 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 261 int queue_len; 262 int queue_cursor; 263 int start_x; 264 int start_y; 265 int avg_dx; 266 int avg_dy; 267 int squelch_x; 268 int squelch_y; 269 int is_fuzzy; 270 int active; 271 } smoother_t; 272 273 typedef struct gesture { 274 int window_min; 275 int fingers_nb; 276 int tap_button; 277 int in_taphold; 278 int in_vscroll; 279 int zmax; /* maximum pressure value */ 280 struct timeval taptimeout; /* tap timeout for touchpads */ 281 } gesture_t; 282 283 enum { 284 TRACKPOINT_SYSCTL_SENSITIVITY, 285 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 286 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 287 TRACKPOINT_SYSCTL_BACKUP_RANGE, 288 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 289 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 290 TRACKPOINT_SYSCTL_UP_THRESHOLD, 291 TRACKPOINT_SYSCTL_THRESHOLD, 292 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 293 TRACKPOINT_SYSCTL_Z_TIME, 294 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 295 TRACKPOINT_SYSCTL_SKIP_BACKUPS 296 }; 297 298 typedef struct trackpointinfo { 299 struct sysctl_ctx_list sysctl_ctx; 300 struct sysctl_oid *sysctl_tree; 301 enum { 302 TRACKPOINT_VENDOR_IBM = 0x01, 303 TRACKPOINT_VENDOR_ALPS = 0x02, 304 TRACKPOINT_VENDOR_ELAN = 0x03, 305 TRACKPOINT_VENDOR_NXP = 0x04, 306 TRACKPOINT_VENDOR_JYT = 0x05, 307 TRACKPOINT_VENDOR_SYNAPTICS = 0x06, 308 TRACKPOINT_VENDOR_UNKNOWN = 0x07, 309 } vendor; 310 int firmware; 311 int sensitivity; 312 int inertia; 313 int uplateau; 314 int reach; 315 int draghys; 316 int mindrag; 317 int upthresh; 318 int threshold; 319 int jenks; 320 int ztime; 321 int pts; 322 int skipback; 323 } trackpointinfo_t; 324 325 typedef struct finger { 326 int x; 327 int y; 328 int p; 329 int w; 330 int flags; 331 } finger_t; 332 #define PSM_FINGERS 2 /* # of processed fingers */ 333 #define PSM_FINGER_IS_PEN (1<<0) 334 #define PSM_FINGER_FUZZY (1<<1) 335 #define PSM_FINGER_DEFAULT_P tap_threshold 336 #define PSM_FINGER_DEFAULT_W 1 337 #define PSM_FINGER_IS_SET(f) ((f).x != -1 && (f).y != -1 && (f).p != 0) 338 #define PSM_FINGER_RESET(f) do { \ 339 (f) = (finger_t) { .x = -1, .y = -1, .p = 0, .w = 0, .flags = 0 }; \ 340 } while (0) 341 342 typedef struct elantechhw { 343 int hwversion; 344 int fwversion; 345 int sizex; 346 int sizey; 347 int dpmmx; 348 int dpmmy; 349 int ntracesx; 350 int ntracesy; 351 int dptracex; 352 int dptracey; 353 int issemimt; 354 int isclickpad; 355 int hascrc; 356 int hastrackpoint; 357 int haspressure; 358 } elantechhw_t; 359 360 /* minimum versions supported by this driver */ 361 #define ELANTECH_HW_IS_V1(fwver) ((fwver) < 0x020030 || (fwver) == 0x020600) 362 363 #define ELANTECH_MAGIC(magic) \ 364 ((magic)[0] == 0x3c && (magic)[1] == 0x03 && \ 365 ((magic)[2] == 0xc8 || (magic)[2] == 0x00)) 366 367 #define ELANTECH_FW_ID 0x00 368 #define ELANTECH_FW_VERSION 0x01 369 #define ELANTECH_CAPABILITIES 0x02 370 #define ELANTECH_SAMPLE 0x03 371 #define ELANTECH_RESOLUTION 0x04 372 #define ELANTECH_REG_READ 0x10 373 #define ELANTECH_REG_WRITE 0x11 374 #define ELANTECH_REG_RDWR 0x00 375 #define ELANTECH_CUSTOM_CMD 0xf8 376 377 #ifdef EVDEV_SUPPORT 378 #define ELANTECH_MAX_FINGERS 5 379 #else 380 #define ELANTECH_MAX_FINGERS PSM_FINGERS 381 #endif 382 383 #define ELANTECH_FINGER_MAX_P 255 384 #define ELANTECH_FINGER_MAX_W 15 385 #define ELANTECH_FINGER_SET_XYP(pb) (finger_t) { \ 386 .x = (((pb)->ipacket[1] & 0x0f) << 8) | (pb)->ipacket[2], \ 387 .y = (((pb)->ipacket[4] & 0x0f) << 8) | (pb)->ipacket[5], \ 388 .p = ((pb)->ipacket[1] & 0xf0) | (((pb)->ipacket[4] >> 4) & 0x0f), \ 389 .w = PSM_FINGER_DEFAULT_W, \ 390 .flags = 0 \ 391 } 392 393 enum { 394 ELANTECH_PKT_NOP, 395 ELANTECH_PKT_TRACKPOINT, 396 ELANTECH_PKT_V2_COMMON, 397 ELANTECH_PKT_V2_2FINGER, 398 ELANTECH_PKT_V3, 399 ELANTECH_PKT_V4_STATUS, 400 ELANTECH_PKT_V4_HEAD, 401 ELANTECH_PKT_V4_MOTION 402 }; 403 404 #define ELANTECH_PKT_IS_TRACKPOINT(pb) (((pb)->ipacket[3] & 0x0f) == 0x06) 405 #define ELANTECH_PKT_IS_DEBOUNCE(pb, hwversion) ((hwversion) == 4 ? 0 : \ 406 (pb)->ipacket[0] == ((hwversion) == 2 ? 0x84 : 0xc4) && \ 407 (pb)->ipacket[1] == 0xff && (pb)->ipacket[2] == 0xff && \ 408 (pb)->ipacket[3] == 0x02 && (pb)->ipacket[4] == 0xff && \ 409 (pb)->ipacket[5] == 0xff) 410 #define ELANTECH_PKT_IS_V2(pb) \ 411 (((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x0f) == 0x02) 412 #define ELANTECH_PKT_IS_V3_HEAD(pb, hascrc) ((hascrc) ? \ 413 ((pb)->ipacket[3] & 0x09) == 0x08 : \ 414 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0xcf) == 0x02) 415 #define ELANTECH_PKT_IS_V3_TAIL(pb, hascrc) ((hascrc) ? \ 416 ((pb)->ipacket[3] & 0x09) == 0x09 : \ 417 ((pb)->ipacket[0] & 0x0c) == 0x0c && ((pb)->ipacket[3] & 0xce) == 0x0c) 418 #define ELANTECH_PKT_IS_V4(pb, hascrc) ((hascrc) ? \ 419 ((pb)->ipacket[3] & 0x08) == 0x00 : \ 420 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x1c) == 0x10) 421 422 typedef struct elantechaction { 423 finger_t fingers[ELANTECH_MAX_FINGERS]; 424 int mask; 425 int mask_v4wait; 426 } elantechaction_t; 427 428 /* driver control block */ 429 struct psm_softc { /* Driver status information */ 430 device_t dev; 431 struct selinfo rsel; /* Process selecting for Input */ 432 u_char state; /* Mouse driver state */ 433 int config; /* driver configuration flags */ 434 int flags; /* other flags */ 435 KBDC kbdc; /* handle to access kbd controller */ 436 struct resource *intr; /* IRQ resource */ 437 void *ih; /* interrupt handle */ 438 mousehw_t hw; /* hardware information */ 439 synapticshw_t synhw; /* Synaptics hardware information */ 440 synapticsinfo_t syninfo; /* Synaptics configuration */ 441 smoother_t smoother[PSM_FINGERS]; /* Motion smoothing */ 442 gesture_t gesture; /* Gesture context */ 443 elantechhw_t elanhw; /* Elantech hardware information */ 444 elantechaction_t elanaction; /* Elantech action context */ 445 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 446 mousemode_t mode; /* operation mode */ 447 mousemode_t dflt_mode; /* default operation mode */ 448 mousestatus_t status; /* accumulated mouse movement */ 449 ringbuf_t queue; /* mouse status queue */ 450 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 451 int pqueue_start; /* start of data in queue */ 452 int pqueue_end; /* end of data in queue */ 453 int button; /* the latest button state */ 454 int xold; /* previous absolute X position */ 455 int yold; /* previous absolute Y position */ 456 int xaverage; /* average X position */ 457 int yaverage; /* average Y position */ 458 int squelch; /* level to filter movement at low speed */ 459 int syncerrors; /* # of bytes discarded to synchronize */ 460 int pkterrors; /* # of packets failed during quaranteen. */ 461 int fpcount; /* forcePad valid packet counter */ 462 struct timeval inputtimeout; 463 struct timeval lastsoftintr; /* time of last soft interrupt */ 464 struct timeval lastinputerr; /* time last sync error happened */ 465 struct timeval idletimeout; 466 packetbuf_t idlepacket; /* packet to send after idle timeout */ 467 int watchdog; /* watchdog timer flag */ 468 struct callout callout; /* watchdog timer call out */ 469 struct callout softcallout; /* buffer timer call out */ 470 struct cdev *cdev; 471 struct cdev *bdev; 472 int lasterr; 473 int cmdcount; 474 struct sigio *async; /* Processes waiting for SIGIO */ 475 int extended_buttons; 476 int muxport; /* MUX port with attached Synaptics */ 477 u_char muxsave[3]; /* 3->6 byte proto conversion buffer */ 478 int muxtpbuttons; /* Touchpad button state */ 479 int muxmsbuttons; /* Mouse (trackpoint) button state */ 480 struct timeval muxmidtimeout; /* middle button supression timeout */ 481 int muxsinglesyna; /* Probe result of single Synaptics */ 482 #ifdef EVDEV_SUPPORT 483 struct evdev_dev *evdev_a; /* Absolute reporting device */ 484 struct evdev_dev *evdev_r; /* Relative reporting device */ 485 #endif 486 }; 487 488 /* driver state flags (state) */ 489 #define PSM_VALID 0x80 490 #define PSM_OPEN 1 /* Device is open */ 491 #define PSM_ASLP 2 /* Waiting for mouse data */ 492 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 493 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 494 #define PSM_EV_OPEN_R 0x10 /* Relative evdev device is open */ 495 #define PSM_EV_OPEN_A 0x20 /* Absolute evdev device is open */ 496 497 /* driver configuration flags (config) */ 498 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 499 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 500 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 501 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 502 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 503 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 504 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 505 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 506 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 507 508 #define PSM_CONFIG_FLAGS \ 509 (PSM_CONFIG_RESOLUTION | \ 510 PSM_CONFIG_ACCEL | \ 511 PSM_CONFIG_NOCHECKSYNC | \ 512 PSM_CONFIG_NOIDPROBE | \ 513 PSM_CONFIG_NORESET | \ 514 PSM_CONFIG_FORCETAP | \ 515 PSM_CONFIG_IGNPORTERROR | \ 516 PSM_CONFIG_HOOKRESUME | \ 517 PSM_CONFIG_INITAFTERSUSPEND) 518 519 /* other flags (flags) */ 520 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 521 522 #define kbdcp(p) ((atkbdc_softc_t *)(p)) 523 #define ALWAYS_RESTORE_CONTROLLER(kbdc) !(kbdcp(kbdc)->quirks \ 524 & KBDC_QUIRK_KEEP_ACTIVATED) 525 526 /* Tunables */ 527 static int tap_enabled = -1; 528 static int verbose = PSM_DEBUG; 529 static int synaptics_support = 1; 530 static int trackpoint_support = 1; 531 static int elantech_support = 1; 532 static int mux_disabled = -1; 533 534 /* for backward compatibility */ 535 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 536 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 537 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 538 539 typedef struct old_mousehw { 540 int buttons; 541 int iftype; 542 int type; 543 int hwid; 544 } old_mousehw_t; 545 546 typedef struct old_mousemode { 547 int protocol; 548 int rate; 549 int resolution; 550 int accelfactor; 551 } old_mousemode_t; 552 553 #define SYN_OFFSET(field) offsetof(struct psm_softc, syninfo.field) 554 enum { 555 SYNAPTICS_SYSCTL_MIN_PRESSURE = SYN_OFFSET(min_pressure), 556 SYNAPTICS_SYSCTL_MAX_PRESSURE = SYN_OFFSET(max_pressure), 557 SYNAPTICS_SYSCTL_MAX_WIDTH = SYN_OFFSET(max_width), 558 SYNAPTICS_SYSCTL_MARGIN_TOP = SYN_OFFSET(margin_top), 559 SYNAPTICS_SYSCTL_MARGIN_RIGHT = SYN_OFFSET(margin_right), 560 SYNAPTICS_SYSCTL_MARGIN_BOTTOM = SYN_OFFSET(margin_bottom), 561 SYNAPTICS_SYSCTL_MARGIN_LEFT = SYN_OFFSET(margin_left), 562 SYNAPTICS_SYSCTL_NA_TOP = SYN_OFFSET(na_top), 563 SYNAPTICS_SYSCTL_NA_RIGHT = SYN_OFFSET(na_right), 564 SYNAPTICS_SYSCTL_NA_BOTTOM = SYN_OFFSET(na_bottom), 565 SYNAPTICS_SYSCTL_NA_LEFT = SYN_OFFSET(na_left), 566 SYNAPTICS_SYSCTL_WINDOW_MIN = SYN_OFFSET(window_min), 567 SYNAPTICS_SYSCTL_WINDOW_MAX = SYN_OFFSET(window_max), 568 SYNAPTICS_SYSCTL_MULTIPLICATOR = SYN_OFFSET(multiplicator), 569 SYNAPTICS_SYSCTL_WEIGHT_CURRENT = SYN_OFFSET(weight_current), 570 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS = SYN_OFFSET(weight_previous), 571 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA = SYN_OFFSET(weight_previous_na), 572 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED = SYN_OFFSET(weight_len_squared), 573 SYNAPTICS_SYSCTL_DIV_MIN = SYN_OFFSET(div_min), 574 SYNAPTICS_SYSCTL_DIV_MAX = SYN_OFFSET(div_max), 575 SYNAPTICS_SYSCTL_DIV_MAX_NA = SYN_OFFSET(div_max_na), 576 SYNAPTICS_SYSCTL_DIV_LEN = SYN_OFFSET(div_len), 577 SYNAPTICS_SYSCTL_TAP_MAX_DELTA = SYN_OFFSET(tap_max_delta), 578 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE = SYN_OFFSET(tap_min_queue), 579 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT = SYN_OFFSET(taphold_timeout), 580 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA = SYN_OFFSET(vscroll_hor_area), 581 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA = SYN_OFFSET(vscroll_ver_area), 582 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA = SYN_OFFSET(vscroll_min_delta), 583 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN = SYN_OFFSET(vscroll_div_min), 584 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX = SYN_OFFSET(vscroll_div_max), 585 SYNAPTICS_SYSCTL_TOUCHPAD_OFF = SYN_OFFSET(touchpad_off), 586 SYNAPTICS_SYSCTL_SOFTBUTTONS_Y = SYN_OFFSET(softbuttons_y), 587 SYNAPTICS_SYSCTL_SOFTBUTTON2_X = SYN_OFFSET(softbutton2_x), 588 SYNAPTICS_SYSCTL_SOFTBUTTON3_X = SYN_OFFSET(softbutton3_x), 589 SYNAPTICS_SYSCTL_THREE_FINGER_DRAG = SYN_OFFSET(three_finger_drag), 590 SYNAPTICS_SYSCTL_NATURAL_SCROLL = SYN_OFFSET(natural_scroll), 591 #define SYNAPTICS_SYSCTL_LAST SYNAPTICS_SYSCTL_NATURAL_SCROLL 592 }; 593 594 /* packet formatting function */ 595 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 596 mousestatus_t *); 597 598 /* function prototypes */ 599 static void psmidentify(driver_t *, device_t); 600 static int psmprobe(device_t); 601 static int psmattach(device_t); 602 static int psmdetach(device_t); 603 static int psmresume(device_t); 604 605 static d_open_t psm_cdev_open; 606 static d_close_t psm_cdev_close; 607 static d_read_t psmread; 608 static d_write_t psmwrite; 609 static d_ioctl_t psmioctl; 610 static d_poll_t psmpoll; 611 static d_kqfilter_t psmkqfilter; 612 613 static int psmopen(struct psm_softc *); 614 static int psmclose(struct psm_softc *); 615 616 #ifdef EVDEV_SUPPORT 617 static evdev_open_t psm_ev_open_r; 618 static evdev_close_t psm_ev_close_r; 619 static evdev_open_t psm_ev_open_a; 620 static evdev_close_t psm_ev_close_a; 621 #endif 622 623 static int enable_aux_dev(KBDC); 624 static int disable_aux_dev(KBDC); 625 static int get_mouse_status(KBDC, int *, int, int); 626 static int get_aux_id(KBDC); 627 static int set_mouse_sampling_rate(KBDC, int); 628 static int set_mouse_scaling(KBDC, int); 629 static int set_mouse_resolution(KBDC, int); 630 static int set_mouse_mode(KBDC); 631 static int get_mouse_buttons(KBDC); 632 static int is_a_mouse(int); 633 static void recover_from_error(KBDC); 634 static int restore_controller(KBDC, int); 635 static int doinitialize(struct psm_softc *, mousemode_t *); 636 static int doopen(struct psm_softc *, int); 637 static int reinitialize(struct psm_softc *, int); 638 static char *model_name(int); 639 static void psmsoftintr(void *); 640 static void psmsoftintridle(void *); 641 static void psmintr(void *); 642 static void psmtimeout(void *); 643 static int timeelapsed(const struct timeval *, int, int, 644 const struct timeval *); 645 static void dropqueue(struct psm_softc *); 646 static void flushpackets(struct psm_softc *); 647 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 648 mousestatus_t *, int *, int *, int *); 649 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 650 mousestatus_t *, int *, int *, int *); 651 static int proc_synaptics_mux(struct psm_softc *, packetbuf_t *); 652 static void proc_versapad(struct psm_softc *, packetbuf_t *, 653 mousestatus_t *, int *, int *, int *); 654 static int proc_elantech(struct psm_softc *, packetbuf_t *, 655 mousestatus_t *, int *, int *, int *); 656 static int psmpalmdetect(struct psm_softc *, finger_t *, int); 657 static void psmgestures(struct psm_softc *, finger_t *, int, 658 mousestatus_t *); 659 static void psmsmoother(struct psm_softc *, finger_t *, int, 660 mousestatus_t *, int *, int *); 661 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 662 u_char *); 663 664 /* vendor specific features */ 665 enum probearg { PROBE, REINIT }; 666 typedef int probefunc_t(struct psm_softc *, enum probearg); 667 668 static int mouse_id_proc1(KBDC, int, int, int *); 669 static int mouse_ext_command(KBDC, int); 670 671 static probefunc_t enable_groller; 672 static probefunc_t enable_gmouse; 673 static probefunc_t enable_aglide; 674 static probefunc_t enable_kmouse; 675 static probefunc_t enable_msexplorer; 676 static probefunc_t enable_msintelli; 677 static probefunc_t enable_4dmouse; 678 static probefunc_t enable_4dplus; 679 static probefunc_t enable_mmanplus; 680 static probefunc_t enable_synaptics; 681 static probefunc_t enable_synaptics_mux; 682 static probefunc_t enable_single_synaptics_mux; 683 static probefunc_t enable_trackpoint; 684 static probefunc_t enable_versapad; 685 static probefunc_t enable_elantech; 686 687 static void set_trackpoint_parameters(struct psm_softc *sc); 688 static void synaptics_passthrough_on(struct psm_softc *sc); 689 static void synaptics_passthrough_off(struct psm_softc *sc); 690 static int synaptics_preferred_mode(struct psm_softc *sc); 691 static void synaptics_set_mode(struct psm_softc *sc, int mode_byte); 692 693 static struct { 694 int model; 695 u_char syncmask; 696 int packetsize; 697 probefunc_t *probefunc; 698 } vendortype[] = { 699 /* 700 * WARNING: the order of probe is very important. Don't mess it 701 * unless you know what you are doing. 702 */ 703 { MOUSE_MODEL_SYNAPTICS, /* Synaptics + mouse on Active Mux */ 704 0x00, MOUSE_PS2_PACKETSIZE, enable_synaptics_mux }, 705 { MOUSE_MODEL_SYNAPTICS, /* Single Synaptics on Active Mux */ 706 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_single_synaptics_mux }, 707 { MOUSE_MODEL_NET, /* Genius NetMouse */ 708 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 709 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 710 0xc8, 6, enable_groller }, 711 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 712 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 713 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 714 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 715 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 716 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 717 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 718 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 719 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 720 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 721 { MOUSE_MODEL_ELANTECH, /* Elantech Touchpad */ 722 0x04, MOUSE_ELANTECH_PACKETSIZE, enable_elantech }, 723 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 724 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 725 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 726 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 727 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 728 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 729 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 730 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 731 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 732 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 733 { MOUSE_MODEL_GENERIC, 734 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 735 }; 736 #define GENERIC_MOUSE_ENTRY (nitems(vendortype) - 1) 737 738 /* device driver declarateion */ 739 static device_method_t psm_methods[] = { 740 /* Device interface */ 741 DEVMETHOD(device_identify, psmidentify), 742 DEVMETHOD(device_probe, psmprobe), 743 DEVMETHOD(device_attach, psmattach), 744 DEVMETHOD(device_detach, psmdetach), 745 DEVMETHOD(device_resume, psmresume), 746 { 0, 0 } 747 }; 748 749 static driver_t psm_driver = { 750 PSM_DRIVER_NAME, 751 psm_methods, 752 sizeof(struct psm_softc), 753 }; 754 755 static struct cdevsw psm_cdevsw = { 756 .d_version = D_VERSION, 757 .d_flags = D_NEEDGIANT, 758 .d_open = psm_cdev_open, 759 .d_close = psm_cdev_close, 760 .d_read = psmread, 761 .d_write = psmwrite, 762 .d_ioctl = psmioctl, 763 .d_poll = psmpoll, 764 .d_kqfilter = psmkqfilter, 765 .d_name = PSM_DRIVER_NAME, 766 }; 767 768 #ifdef EVDEV_SUPPORT 769 static const struct evdev_methods psm_ev_methods_r = { 770 .ev_open = psm_ev_open_r, 771 .ev_close = psm_ev_close_r, 772 }; 773 static const struct evdev_methods psm_ev_methods_a = { 774 .ev_open = psm_ev_open_a, 775 .ev_close = psm_ev_close_a, 776 }; 777 #endif 778 779 /* device I/O routines */ 780 static int 781 enable_aux_dev(KBDC kbdc) 782 { 783 int res; 784 785 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 786 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 787 788 return (res == PSM_ACK); 789 } 790 791 static int 792 disable_aux_dev(KBDC kbdc) 793 { 794 int res; 795 796 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 797 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 798 799 return (res == PSM_ACK); 800 } 801 802 static int 803 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 804 { 805 int cmd; 806 int res; 807 int i; 808 809 switch (flag) { 810 case 0: 811 default: 812 cmd = PSMC_SEND_DEV_STATUS; 813 break; 814 case 1: 815 cmd = PSMC_SEND_DEV_DATA; 816 break; 817 } 818 empty_aux_buffer(kbdc, 5); 819 res = send_aux_command(kbdc, cmd); 820 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 821 (flag == 1) ? "DATA" : "STATUS", res)); 822 if (res != PSM_ACK) 823 return (0); 824 825 for (i = 0; i < len; ++i) { 826 status[i] = read_aux_data(kbdc); 827 if (status[i] < 0) 828 break; 829 } 830 if (len >= 3) { 831 for (; i < 3; ++i) 832 status[i] = 0; 833 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 834 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 835 } 836 837 return (i); 838 } 839 840 static int 841 get_aux_id(KBDC kbdc) 842 { 843 int res; 844 int id; 845 846 empty_aux_buffer(kbdc, 5); 847 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 848 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 849 if (res != PSM_ACK) 850 return (-1); 851 852 /* 10ms delay */ 853 DELAY(10000); 854 855 id = read_aux_data(kbdc); 856 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 857 858 return (id); 859 } 860 861 static int 862 set_mouse_sampling_rate(KBDC kbdc, int rate) 863 { 864 int res; 865 866 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 867 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 868 869 return ((res == PSM_ACK) ? rate : -1); 870 } 871 872 static int 873 set_mouse_scaling(KBDC kbdc, int scale) 874 { 875 int res; 876 877 switch (scale) { 878 case 1: 879 default: 880 scale = PSMC_SET_SCALING11; 881 break; 882 case 2: 883 scale = PSMC_SET_SCALING21; 884 break; 885 } 886 res = send_aux_command(kbdc, scale); 887 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 888 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 889 890 return (res == PSM_ACK); 891 } 892 893 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 894 static int 895 set_mouse_resolution(KBDC kbdc, int val) 896 { 897 int res; 898 899 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 900 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 901 902 return ((res == PSM_ACK) ? val : -1); 903 } 904 905 /* 906 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 907 * re-enabled by calling `enable_aux_dev()' 908 */ 909 static int 910 set_mouse_mode(KBDC kbdc) 911 { 912 int res; 913 914 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 915 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 916 917 return (res == PSM_ACK); 918 } 919 920 static int 921 get_mouse_buttons(KBDC kbdc) 922 { 923 int c = 2; /* assume two buttons by default */ 924 int status[3]; 925 926 /* 927 * NOTE: a special sequence to obtain Logitech Mouse specific 928 * information: set resolution to 25 ppi, set scaling to 1:1, set 929 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 930 * mouse status bytes is the number of available buttons. 931 * Some manufactures also support this sequence. 932 */ 933 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 934 return (c); 935 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 936 set_mouse_scaling(kbdc, 1) && 937 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 938 return (status[1]); 939 return (c); 940 } 941 942 /* misc subroutines */ 943 /* 944 * Someday, I will get the complete list of valid pointing devices and 945 * their IDs... XXX 946 */ 947 static int 948 is_a_mouse(int id) 949 { 950 #if 0 951 static int valid_ids[] = { 952 PSM_MOUSE_ID, /* mouse */ 953 PSM_BALLPOINT_ID, /* ballpoint device */ 954 PSM_INTELLI_ID, /* Intellimouse */ 955 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 956 -1 /* end of table */ 957 }; 958 int i; 959 960 for (i = 0; valid_ids[i] >= 0; ++i) 961 if (valid_ids[i] == id) 962 return (TRUE); 963 return (FALSE); 964 #else 965 return (TRUE); 966 #endif 967 } 968 969 static char * 970 model_name(int model) 971 { 972 static struct { 973 int model_code; 974 char *model_name; 975 } models[] = { 976 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 977 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 978 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 979 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 980 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 981 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 982 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 983 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 984 { MOUSE_MODEL_4D, "4D Mouse" }, 985 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 986 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 987 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 988 { MOUSE_MODEL_ELANTECH, "Elantech Touchpad" }, 989 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 990 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 991 }; 992 int i; 993 994 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 995 if (models[i].model_code == model) 996 break; 997 return (models[i].model_name); 998 } 999 1000 static void 1001 recover_from_error(KBDC kbdc) 1002 { 1003 /* discard anything left in the output buffer */ 1004 empty_both_buffers(kbdc, 10); 1005 1006 #if 0 1007 /* 1008 * NOTE: KBDC_RESET_KBD may not restore the communication between the 1009 * keyboard and the controller. 1010 */ 1011 reset_kbd(kbdc); 1012 #else 1013 /* 1014 * NOTE: somehow diagnostic and keyboard port test commands bring the 1015 * keyboard back. 1016 */ 1017 if (!test_controller(kbdc)) 1018 log(LOG_ERR, "psm: keyboard controller failed.\n"); 1019 /* if there isn't a keyboard in the system, the following error is OK */ 1020 if (test_kbd_port(kbdc) != 0) 1021 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 1022 #endif 1023 } 1024 1025 static int 1026 restore_controller(KBDC kbdc, int command_byte) 1027 { 1028 empty_both_buffers(kbdc, 10); 1029 1030 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 1031 log(LOG_ERR, "psm: failed to restore the keyboard controller " 1032 "command byte.\n"); 1033 empty_both_buffers(kbdc, 10); 1034 return (FALSE); 1035 } else { 1036 empty_both_buffers(kbdc, 10); 1037 return (TRUE); 1038 } 1039 } 1040 1041 /* 1042 * Re-initialize the aux port and device. The aux port must be enabled 1043 * and its interrupt must be disabled before calling this routine. 1044 * The aux device will be disabled before returning. 1045 * The keyboard controller must be locked via `kbdc_lock()' before 1046 * calling this routine. 1047 */ 1048 static int 1049 doinitialize(struct psm_softc *sc, mousemode_t *mode) 1050 { 1051 KBDC kbdc = sc->kbdc; 1052 int stat[3]; 1053 int i; 1054 1055 switch((i = test_aux_port(kbdc))) { 1056 case 1: /* ignore these errors */ 1057 case 2: 1058 case 3: 1059 case PSM_ACK: 1060 if (verbose) 1061 device_log(sc->dev, LOG_DEBUG, 1062 "strange result for test aux port (%d).\n", i); 1063 /* FALLTHROUGH */ 1064 case 0: /* no error */ 1065 break; 1066 case -1: /* time out */ 1067 default: /* error */ 1068 recover_from_error(kbdc); 1069 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1070 break; 1071 device_log(sc->dev, LOG_ERR, 1072 "the aux port is not functioning (%d).\n", i); 1073 return (FALSE); 1074 } 1075 1076 if (sc->config & PSM_CONFIG_NORESET) { 1077 /* 1078 * Don't try to reset the pointing device. It may possibly 1079 * be left in the unknown state, though... 1080 */ 1081 } else { 1082 /* 1083 * NOTE: some controllers appears to hang the `keyboard' when 1084 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1085 */ 1086 if (!reset_aux_dev(kbdc)) { 1087 recover_from_error(kbdc); 1088 device_log(sc->dev, LOG_ERR, 1089 "failed to reset the aux device.\n"); 1090 return (FALSE); 1091 } 1092 } 1093 1094 /* 1095 * both the aux port and the aux device is functioning, see 1096 * if the device can be enabled. 1097 */ 1098 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 1099 device_log(sc->dev, LOG_ERR, 1100 "failed to enable the aux device.\n"); 1101 return (FALSE); 1102 } 1103 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 1104 1105 /* Re-enable the mouse. */ 1106 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1107 if (vendortype[i].model == sc->hw.model) 1108 (*vendortype[i].probefunc)(sc, REINIT); 1109 1110 /* set mouse parameters */ 1111 if (mode != (mousemode_t *)NULL) { 1112 if (mode->rate > 0) 1113 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 1114 if (mode->resolution >= 0) 1115 mode->resolution = 1116 set_mouse_resolution(kbdc, mode->resolution); 1117 set_mouse_scaling(kbdc, 1); 1118 set_mouse_mode(kbdc); 1119 } 1120 1121 /* Record sync on the next data packet we see. */ 1122 sc->flags |= PSM_NEED_SYNCBITS; 1123 1124 /* just check the status of the mouse */ 1125 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 1126 device_log(sc->dev, LOG_DEBUG, 1127 "failed to get status (doinitialize).\n"); 1128 1129 return (TRUE); 1130 } 1131 1132 static int 1133 doopen(struct psm_softc *sc, int command_byte) 1134 { 1135 int stat[3]; 1136 int mux_enabled = FALSE; 1137 1138 /* 1139 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 1140 * no obvious reason. Thus we check the current mode and restore the 1141 * Absolute Mode if it was cleared. 1142 * 1143 * The previous hack at the end of psmprobe() wasn't efficient when 1144 * moused(8) was restarted. 1145 * 1146 * A Reset (FF) or Set Defaults (F6) command would clear the 1147 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 1148 * doesn't show any evidence of such a command. 1149 */ 1150 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 1151 if (sc->muxport != PSM_NOMUX) { 1152 mux_enabled = enable_aux_mux(sc->kbdc) >= 0; 1153 if (mux_enabled) 1154 set_active_aux_mux_port(sc->kbdc, sc->muxport); 1155 else 1156 device_log(sc->dev, LOG_ERR, "failed to enable " 1157 "active multiplexing mode.\n"); 1158 } 1159 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODES); 1160 get_mouse_status(sc->kbdc, stat, 0, 3); 1161 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 1162 stat[1] == 0x47) && 1163 stat[2] == 0x40) { 1164 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1165 VDLOG(5, sc->dev, LOG_DEBUG, "Synaptis Absolute Mode " 1166 "hopefully restored\n"); 1167 } 1168 if (mux_enabled) 1169 disable_aux_mux(sc->kbdc); 1170 } 1171 1172 /* 1173 * A user may want to disable tap and drag gestures on a Synaptics 1174 * TouchPad when it operates in Relative Mode. 1175 */ 1176 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 1177 if (tap_enabled > 0) { 1178 VDLOG(2, sc->dev, LOG_DEBUG, 1179 "enable tap and drag gestures\n"); 1180 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1181 } else if (tap_enabled == 0) { 1182 VDLOG(2, sc->dev, LOG_DEBUG, 1183 "disable tap and drag gestures\n"); 1184 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1185 } 1186 } 1187 1188 /* enable the mouse device */ 1189 if (!enable_aux_dev(sc->kbdc)) { 1190 /* MOUSE ERROR: failed to enable the mouse because: 1191 * 1) the mouse is faulty, 1192 * 2) the mouse has been removed(!?) 1193 * In the latter case, the keyboard may have hung, and need 1194 * recovery procedure... 1195 */ 1196 recover_from_error(sc->kbdc); 1197 #if 0 1198 /* FIXME: we could reset the mouse here and try to enable 1199 * it again. But it will take long time and it's not a good 1200 * idea to disable the keyboard that long... 1201 */ 1202 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 1203 recover_from_error(sc->kbdc); 1204 #else 1205 { 1206 #endif 1207 restore_controller(sc->kbdc, command_byte); 1208 /* mark this device is no longer available */ 1209 sc->state &= ~PSM_VALID; 1210 device_log(sc->dev, LOG_ERR, 1211 "failed to enable the device (doopen).\n"); 1212 return (EIO); 1213 } 1214 } 1215 1216 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1217 device_log(sc->dev, LOG_DEBUG, 1218 "failed to get status (doopen).\n"); 1219 1220 /* enable the aux port and interrupt */ 1221 if (!set_controller_command_byte(sc->kbdc, 1222 kbdc_get_device_mask(sc->kbdc), 1223 (command_byte & KBD_KBD_CONTROL_BITS) | 1224 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1225 /* CONTROLLER ERROR */ 1226 disable_aux_dev(sc->kbdc); 1227 restore_controller(sc->kbdc, command_byte); 1228 device_log(sc->dev, LOG_ERR, 1229 "failed to enable the aux interrupt (doopen).\n"); 1230 return (EIO); 1231 } 1232 1233 /* start the watchdog timer */ 1234 sc->watchdog = FALSE; 1235 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1236 1237 return (0); 1238 } 1239 1240 static int 1241 reinitialize(struct psm_softc *sc, int doinit) 1242 { 1243 int err; 1244 int c; 1245 int s; 1246 1247 /* don't let anybody mess with the aux device */ 1248 if (!kbdc_lock(sc->kbdc, TRUE)) 1249 return (EIO); 1250 s = spltty(); 1251 1252 /* block our watchdog timer */ 1253 sc->watchdog = FALSE; 1254 callout_stop(&sc->callout); 1255 1256 /* save the current controller command byte */ 1257 empty_both_buffers(sc->kbdc, 10); 1258 c = get_controller_command_byte(sc->kbdc); 1259 VDLOG(2, sc->dev, LOG_DEBUG, 1260 "current command byte: %04x (reinitialize).\n", c); 1261 1262 /* enable the aux port but disable the aux interrupt and the keyboard */ 1263 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1264 kbdc_get_device_mask(sc->kbdc), 1265 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1266 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1267 /* CONTROLLER ERROR */ 1268 splx(s); 1269 kbdc_lock(sc->kbdc, FALSE); 1270 device_log(sc->dev, LOG_ERR, 1271 "unable to set the command byte (reinitialize).\n"); 1272 return (EIO); 1273 } 1274 1275 /* flush any data */ 1276 if (sc->state & PSM_VALID) { 1277 /* this may fail; but never mind... */ 1278 disable_aux_dev(sc->kbdc); 1279 empty_aux_buffer(sc->kbdc, 10); 1280 } 1281 flushpackets(sc); 1282 sc->syncerrors = 0; 1283 sc->pkterrors = 0; 1284 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1285 1286 /* try to detect the aux device; are you still there? */ 1287 err = 0; 1288 if (doinit) { 1289 if (doinitialize(sc, &sc->mode)) { 1290 /* yes */ 1291 sc->state |= PSM_VALID; 1292 } else { 1293 /* the device has gone! */ 1294 restore_controller(sc->kbdc, c); 1295 sc->state &= ~PSM_VALID; 1296 device_log(sc->dev, LOG_ERR, 1297 "the aux device has gone! (reinitialize).\n"); 1298 err = ENXIO; 1299 } 1300 } 1301 splx(s); 1302 1303 /* restore the driver state */ 1304 if ((sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A)) && 1305 (err == 0)) { 1306 /* enable the aux device and the port again */ 1307 err = doopen(sc, c); 1308 if (err != 0) 1309 device_log(sc->dev, LOG_ERR, 1310 "failed to enable the device (reinitialize).\n"); 1311 } else { 1312 /* restore the keyboard port and disable the aux port */ 1313 if (!set_controller_command_byte(sc->kbdc, 1314 kbdc_get_device_mask(sc->kbdc), 1315 (c & KBD_KBD_CONTROL_BITS) | 1316 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1317 /* CONTROLLER ERROR */ 1318 device_log(sc->dev, LOG_ERR, 1319 "failed to disable the aux port (reinitialize).\n"); 1320 err = EIO; 1321 } 1322 } 1323 1324 kbdc_lock(sc->kbdc, FALSE); 1325 return (err); 1326 } 1327 1328 /* psm driver entry points */ 1329 1330 static void 1331 psmidentify(driver_t *driver, device_t parent) 1332 { 1333 device_t psmc; 1334 device_t psm; 1335 u_long irq; 1336 int unit; 1337 1338 unit = device_get_unit(parent); 1339 1340 /* always add at least one child */ 1341 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1342 if (psm == NULL) 1343 return; 1344 1345 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1346 if (irq > 0) 1347 return; 1348 1349 /* 1350 * If the PS/2 mouse device has already been reported by ACPI or 1351 * PnP BIOS, obtain the IRQ resource from it. 1352 * (See psmcpnp_attach() below.) 1353 */ 1354 psmc = device_find_child(device_get_parent(parent), 1355 PSMCPNP_DRIVER_NAME, unit); 1356 if (psmc == NULL) 1357 return; 1358 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1359 if (irq <= 0) 1360 return; 1361 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1362 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1363 } 1364 1365 #define endprobe(v) do { \ 1366 if (bootverbose) \ 1367 --verbose; \ 1368 kbdc_set_device_mask(sc->kbdc, mask); \ 1369 kbdc_lock(sc->kbdc, FALSE); \ 1370 return (v); \ 1371 } while (0) 1372 1373 static int 1374 psmprobe(device_t dev) 1375 { 1376 struct psm_softc *sc = device_get_softc(dev); 1377 int stat[3]; 1378 int command_byte; 1379 int mask; 1380 int rid; 1381 int i; 1382 1383 #if 0 1384 kbdc_debug(TRUE); 1385 #endif 1386 1387 /* see if IRQ is available */ 1388 rid = KBDC_RID_AUX; 1389 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1390 if (sc->intr == NULL) { 1391 if (bootverbose) 1392 device_printf(dev, "unable to allocate IRQ\n"); 1393 return (ENXIO); 1394 } 1395 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1396 1397 sc->dev = dev; 1398 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1399 if (sc->kbdc == NULL) 1400 return (ENXIO); 1401 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1402 /* XXX: for backward compatibility */ 1403 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1404 sc->config |= 1405 #ifdef PSM_RESETAFTERSUSPEND 1406 PSM_CONFIG_INITAFTERSUSPEND; 1407 #else 1408 PSM_CONFIG_HOOKRESUME; 1409 #endif 1410 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1411 sc->flags = 0; 1412 sc->muxport = PSM_NOMUX; 1413 if (bootverbose) 1414 ++verbose; 1415 1416 device_set_desc(dev, "PS/2 Mouse"); 1417 1418 if (!kbdc_lock(sc->kbdc, TRUE)) { 1419 device_printf(dev, "unable to lock the controller.\n"); 1420 if (bootverbose) 1421 --verbose; 1422 return (ENXIO); 1423 } 1424 1425 /* 1426 * NOTE: two bits in the command byte controls the operation of the 1427 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1428 * port interrupt (IRQ 12) enable bit (bit 2). 1429 */ 1430 1431 /* discard anything left after the keyboard initialization */ 1432 empty_both_buffers(sc->kbdc, 10); 1433 1434 /* save the current command byte; it will be used later */ 1435 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1436 command_byte = get_controller_command_byte(sc->kbdc); 1437 if (verbose) 1438 device_printf(dev, "current command byte:%04x\n", command_byte); 1439 if (command_byte == -1) { 1440 /* CONTROLLER ERROR */ 1441 device_printf(dev, 1442 "unable to get the current command byte value.\n"); 1443 endprobe(ENXIO); 1444 } 1445 1446 /* 1447 * disable the keyboard port while probing the aux port, which must be 1448 * enabled during this routine 1449 */ 1450 if (!set_controller_command_byte(sc->kbdc, 1451 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1452 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1453 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1454 /* 1455 * this is CONTROLLER ERROR; I don't know how to recover 1456 * from this error... 1457 */ 1458 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1459 restore_controller(sc->kbdc, command_byte); 1460 device_printf(dev, "unable to set the command byte.\n"); 1461 endprobe(ENXIO); 1462 } 1463 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1464 1465 /* 1466 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1467 * port exists and is functioning. However, some controllers appears 1468 * to respond with zero even when the aux port doesn't exist. (It may 1469 * be that this is only the case when the controller DOES have the aux 1470 * port but the port is not wired on the motherboard.) The keyboard 1471 * controllers without the port, such as the original AT, are 1472 * supposed to return with an error code or simply time out. In any 1473 * case, we have to continue probing the port even when the controller 1474 * passes this test. 1475 * 1476 * XXX: some controllers erroneously return the error code 1, 2 or 3 1477 * when it has a perfectly functional aux port. We have to ignore 1478 * this error code. Even if the controller HAS error with the aux 1479 * port, it will be detected later... 1480 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1481 */ 1482 switch ((i = test_aux_port(sc->kbdc))) { 1483 case 1: /* ignore these errors */ 1484 case 2: 1485 case 3: 1486 case PSM_ACK: 1487 if (verbose) 1488 device_printf(dev, "strange result for test aux port " 1489 "(%d).\n", i); 1490 /* FALLTHROUGH */ 1491 case 0: /* no error */ 1492 break; 1493 case -1: /* time out */ 1494 default: /* error */ 1495 recover_from_error(sc->kbdc); 1496 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1497 break; 1498 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1499 restore_controller(sc->kbdc, command_byte); 1500 if (verbose) 1501 device_printf(dev, 1502 "the aux port is not functioning (%d).\n", i); 1503 endprobe(ENXIO); 1504 } 1505 1506 if (sc->config & PSM_CONFIG_NORESET) { 1507 /* 1508 * Don't try to reset the pointing device. It may possibly be 1509 * left in an unknown state, though... 1510 */ 1511 } else { 1512 /* 1513 * NOTE: some controllers appears to hang the `keyboard' when 1514 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1515 * 1516 * Attempt to reset the controller twice -- this helps 1517 * pierce through some KVM switches. The second reset 1518 * is non-fatal. 1519 */ 1520 if (!reset_aux_dev(sc->kbdc)) { 1521 recover_from_error(sc->kbdc); 1522 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1523 restore_controller(sc->kbdc, command_byte); 1524 if (verbose) 1525 device_printf(dev, "failed to reset the aux " 1526 "device.\n"); 1527 endprobe(ENXIO); 1528 } else if (!reset_aux_dev(sc->kbdc)) { 1529 recover_from_error(sc->kbdc); 1530 if (verbose >= 2) 1531 device_printf(dev, "failed to reset the aux " 1532 "device (2).\n"); 1533 } 1534 } 1535 1536 /* 1537 * both the aux port and the aux device are functioning, see if the 1538 * device can be enabled. NOTE: when enabled, the device will start 1539 * sending data; we shall immediately disable the device once we know 1540 * the device can be enabled. 1541 */ 1542 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1543 /* MOUSE ERROR */ 1544 recover_from_error(sc->kbdc); 1545 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1546 restore_controller(sc->kbdc, command_byte); 1547 if (verbose) 1548 device_printf(dev, "failed to enable the aux device.\n"); 1549 endprobe(ENXIO); 1550 } 1551 1552 /* save the default values after reset */ 1553 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1554 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1555 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1556 } else { 1557 sc->dflt_mode.rate = sc->mode.rate = -1; 1558 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1559 } 1560 1561 /* hardware information */ 1562 sc->hw.iftype = MOUSE_IF_PS2; 1563 1564 /* verify the device is a mouse */ 1565 sc->hw.hwid = get_aux_id(sc->kbdc); 1566 if (!is_a_mouse(sc->hw.hwid)) { 1567 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1568 restore_controller(sc->kbdc, command_byte); 1569 if (verbose) 1570 device_printf(dev, "unknown device type (%d).\n", 1571 sc->hw.hwid); 1572 endprobe(ENXIO); 1573 } 1574 switch (sc->hw.hwid) { 1575 case PSM_BALLPOINT_ID: 1576 sc->hw.type = MOUSE_TRACKBALL; 1577 break; 1578 case PSM_MOUSE_ID: 1579 case PSM_INTELLI_ID: 1580 case PSM_EXPLORER_ID: 1581 case PSM_4DMOUSE_ID: 1582 case PSM_4DPLUS_ID: 1583 sc->hw.type = MOUSE_MOUSE; 1584 break; 1585 default: 1586 sc->hw.type = MOUSE_UNKNOWN; 1587 break; 1588 } 1589 1590 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1591 sc->hw.buttons = 2; 1592 i = GENERIC_MOUSE_ENTRY; 1593 } else { 1594 /* # of buttons */ 1595 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1596 1597 /* other parameters */ 1598 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1599 if ((*vendortype[i].probefunc)(sc, PROBE)) { 1600 if (verbose >= 2) 1601 device_printf(dev, "found %s\n", 1602 model_name(vendortype[i].model)); 1603 break; 1604 } 1605 } 1606 1607 sc->hw.model = vendortype[i].model; 1608 1609 sc->dflt_mode.level = PSM_LEVEL_BASE; 1610 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1611 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1612 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1613 sc->dflt_mode.syncmask[0] = 0; 1614 else 1615 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1616 if (sc->config & PSM_CONFIG_FORCETAP) 1617 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1618 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1619 sc->mode = sc->dflt_mode; 1620 sc->mode.packetsize = vendortype[i].packetsize; 1621 1622 /* set mouse parameters */ 1623 #if 0 1624 /* 1625 * A version of Logitech FirstMouse+ won't report wheel movement, 1626 * if SET_DEFAULTS is sent... Don't use this command. 1627 * This fix was found by Takashi Nishida. 1628 */ 1629 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1630 if (verbose >= 2) 1631 device_printf(dev, "SET_DEFAULTS return code:%04x\n", i); 1632 #endif 1633 if (sc->config & PSM_CONFIG_RESOLUTION) 1634 sc->mode.resolution = 1635 set_mouse_resolution(sc->kbdc, 1636 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1637 else if (sc->mode.resolution >= 0) 1638 sc->mode.resolution = 1639 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1640 if (sc->mode.rate > 0) 1641 sc->mode.rate = 1642 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1643 set_mouse_scaling(sc->kbdc, 1); 1644 1645 /* Record sync on the next data packet we see. */ 1646 sc->flags |= PSM_NEED_SYNCBITS; 1647 1648 /* just check the status of the mouse */ 1649 /* 1650 * NOTE: XXX there are some arcane controller/mouse combinations out 1651 * there, which hung the controller unless there is data transmission 1652 * after ACK from the mouse. 1653 */ 1654 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1655 device_printf(dev, "failed to get status.\n"); 1656 else { 1657 /* 1658 * When in its native mode, some mice operate with different 1659 * default parameters than in the PS/2 compatible mode. 1660 */ 1661 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1662 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1663 } 1664 1665 /* disable the aux port for now... */ 1666 if (!set_controller_command_byte(sc->kbdc, 1667 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1668 (command_byte & KBD_KBD_CONTROL_BITS) | 1669 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1670 /* 1671 * this is CONTROLLER ERROR; I don't know the proper way to 1672 * recover from this error... 1673 */ 1674 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1675 restore_controller(sc->kbdc, command_byte); 1676 device_printf(dev, "unable to set the command byte.\n"); 1677 endprobe(ENXIO); 1678 } 1679 1680 /* done */ 1681 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1682 kbdc_lock(sc->kbdc, FALSE); 1683 return (0); 1684 } 1685 1686 #ifdef EVDEV_SUPPORT 1687 /* Values are taken from Linux drivers for userland software compatibility */ 1688 #define PS2_MOUSE_VENDOR 0x0002 1689 #define PS2_MOUSE_GENERIC_PRODUCT 0x0001 1690 #define PS2_MOUSE_SYNAPTICS_NAME "SynPS/2 Synaptics TouchPad" 1691 #define PS2_MOUSE_SYNAPTICS_PRODUCT 0x0007 1692 #define PS2_MOUSE_TRACKPOINT_NAME "TPPS/2 IBM TrackPoint" 1693 #define PS2_MOUSE_TRACKPOINT_PRODUCT 0x000A 1694 #define PS2_MOUSE_ELANTECH_NAME "ETPS/2 Elantech Touchpad" 1695 #define PS2_MOUSE_ELANTECH_ST_NAME "ETPS/2 Elantech TrackPoint" 1696 #define PS2_MOUSE_ELANTECH_PRODUCT 0x000E 1697 #define ABSINFO_END { ABS_CNT, 0, 0, 0 } 1698 1699 static void 1700 psm_support_abs_bulk(struct evdev_dev *evdev, const uint16_t info[][4]) 1701 { 1702 size_t i; 1703 1704 for (i = 0; info[i][0] != ABS_CNT; i++) 1705 evdev_support_abs(evdev, info[i][0], info[i][1], info[i][2], 1706 0, 0, info[i][3]); 1707 } 1708 1709 static void 1710 psm_push_mt_finger(struct psm_softc *sc, int id, const finger_t *f) 1711 { 1712 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1713 1714 evdev_push_abs(sc->evdev_a, ABS_MT_SLOT, id); 1715 evdev_push_abs(sc->evdev_a, ABS_MT_TRACKING_ID, id); 1716 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_X, f->x); 1717 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_Y, y); 1718 evdev_push_abs(sc->evdev_a, ABS_MT_PRESSURE, f->p); 1719 } 1720 1721 static void 1722 psm_push_st_finger(struct psm_softc *sc, const finger_t *f) 1723 { 1724 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1725 1726 evdev_push_abs(sc->evdev_a, ABS_X, f->x); 1727 evdev_push_abs(sc->evdev_a, ABS_Y, y); 1728 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, f->p); 1729 if (sc->synhw.capPalmDetect) 1730 evdev_push_abs(sc->evdev_a, ABS_TOOL_WIDTH, f->w); 1731 } 1732 1733 static int 1734 psm_register(device_t dev, int model_code) 1735 { 1736 struct psm_softc *sc = device_get_softc(dev); 1737 struct evdev_dev *evdev_r; 1738 int error, i, nbuttons, nwheels, product; 1739 bool is_pointing_stick; 1740 const char *name; 1741 1742 name = model_name(model_code); 1743 nbuttons = sc->hw.buttons; 1744 product = PS2_MOUSE_GENERIC_PRODUCT; 1745 nwheels = 0; 1746 is_pointing_stick = false; 1747 1748 switch (model_code) { 1749 case MOUSE_MODEL_TRACKPOINT: 1750 name = PS2_MOUSE_TRACKPOINT_NAME; 1751 product = PS2_MOUSE_TRACKPOINT_PRODUCT; 1752 nbuttons = 3; 1753 is_pointing_stick = true; 1754 break; 1755 1756 case MOUSE_MODEL_ELANTECH: 1757 name = PS2_MOUSE_ELANTECH_ST_NAME; 1758 product = PS2_MOUSE_ELANTECH_PRODUCT; 1759 nbuttons = 3; 1760 is_pointing_stick = true; 1761 break; 1762 1763 case MOUSE_MODEL_MOUSEMANPLUS: 1764 case MOUSE_MODEL_4D: 1765 nwheels = 2; 1766 break; 1767 1768 case MOUSE_MODEL_EXPLORER: 1769 case MOUSE_MODEL_INTELLI: 1770 case MOUSE_MODEL_NET: 1771 case MOUSE_MODEL_NETSCROLL: 1772 case MOUSE_MODEL_4DPLUS: 1773 nwheels = 1; 1774 break; 1775 } 1776 1777 evdev_r = evdev_alloc(); 1778 evdev_set_name(evdev_r, name); 1779 evdev_set_phys(evdev_r, device_get_nameunit(dev)); 1780 evdev_set_id(evdev_r, BUS_I8042, PS2_MOUSE_VENDOR, product, 0); 1781 evdev_set_methods(evdev_r, sc, &psm_ev_methods_r); 1782 1783 evdev_support_prop(evdev_r, INPUT_PROP_POINTER); 1784 if (is_pointing_stick) 1785 evdev_support_prop(evdev_r, INPUT_PROP_POINTING_STICK); 1786 evdev_support_event(evdev_r, EV_SYN); 1787 evdev_support_event(evdev_r, EV_KEY); 1788 evdev_support_event(evdev_r, EV_REL); 1789 evdev_support_rel(evdev_r, REL_X); 1790 evdev_support_rel(evdev_r, REL_Y); 1791 switch (nwheels) { 1792 case 2: 1793 evdev_support_rel(evdev_r, REL_HWHEEL); 1794 /* FALLTHROUGH */ 1795 case 1: 1796 evdev_support_rel(evdev_r, REL_WHEEL); 1797 } 1798 for (i = 0; i < nbuttons; i++) 1799 evdev_support_key(evdev_r, BTN_MOUSE + i); 1800 1801 error = evdev_register_mtx(evdev_r, &Giant); 1802 if (error) 1803 evdev_free(evdev_r); 1804 else 1805 sc->evdev_r = evdev_r; 1806 return (error); 1807 } 1808 1809 static int 1810 psm_register_synaptics(device_t dev) 1811 { 1812 struct psm_softc *sc = device_get_softc(dev); 1813 const uint16_t synaptics_absinfo_st[][4] = { 1814 { ABS_X, sc->synhw.minimumXCoord, 1815 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1816 { ABS_Y, sc->synhw.minimumYCoord, 1817 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1818 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1819 ABSINFO_END, 1820 }; 1821 const uint16_t synaptics_absinfo_mt[][4] = { 1822 { ABS_MT_SLOT, 0, PSM_FINGERS-1, 0}, 1823 { ABS_MT_TRACKING_ID, -1, PSM_FINGERS-1, 0}, 1824 { ABS_MT_POSITION_X, sc->synhw.minimumXCoord, 1825 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1826 { ABS_MT_POSITION_Y, sc->synhw.minimumYCoord, 1827 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1828 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1829 ABSINFO_END, 1830 }; 1831 struct evdev_dev *evdev_a; 1832 int error, i, guest_model; 1833 1834 evdev_a = evdev_alloc(); 1835 evdev_set_name(evdev_a, PS2_MOUSE_SYNAPTICS_NAME); 1836 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1837 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1838 PS2_MOUSE_SYNAPTICS_PRODUCT, 0); 1839 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1840 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1841 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_AUTOREL); 1842 if (sc->synhw.capReportsV) 1843 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_TRACK); 1844 1845 evdev_support_event(evdev_a, EV_SYN); 1846 evdev_support_event(evdev_a, EV_KEY); 1847 evdev_support_event(evdev_a, EV_ABS); 1848 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1849 if (sc->synhw.capAdvancedGestures) 1850 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1851 if (sc->synhw.capClickPad) 1852 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1853 if (sc->synhw.capClickPad && sc->synhw.topButtonPad) 1854 evdev_support_prop(evdev_a, INPUT_PROP_TOPBUTTONPAD); 1855 evdev_support_key(evdev_a, BTN_TOUCH); 1856 evdev_support_nfingers(evdev_a, sc->synhw.capReportsV ? 5 : 3); 1857 psm_support_abs_bulk(evdev_a, synaptics_absinfo_st); 1858 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1859 psm_support_abs_bulk(evdev_a, synaptics_absinfo_mt); 1860 if (sc->synhw.capPalmDetect) 1861 evdev_support_abs(evdev_a, ABS_TOOL_WIDTH, 0, 15, 0, 0, 0); 1862 evdev_support_key(evdev_a, BTN_LEFT); 1863 if (!sc->synhw.capClickPad) { 1864 evdev_support_key(evdev_a, BTN_RIGHT); 1865 if (sc->synhw.capExtended && sc->synhw.capMiddle) 1866 evdev_support_key(evdev_a, BTN_MIDDLE); 1867 } 1868 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 1869 evdev_support_key(evdev_a, BTN_BACK); 1870 evdev_support_key(evdev_a, BTN_FORWARD); 1871 } 1872 if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) 1873 for (i = 0; i < sc->synhw.nExtendedButtons; i++) 1874 evdev_support_key(evdev_a, BTN_0 + i); 1875 1876 error = evdev_register_mtx(evdev_a, &Giant); 1877 if (!error && (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX)) { 1878 guest_model = sc->tpinfo.sysctl_tree != NULL ? 1879 MOUSE_MODEL_TRACKPOINT : MOUSE_MODEL_GENERIC; 1880 error = psm_register(dev, guest_model); 1881 } 1882 if (error) 1883 evdev_free(evdev_a); 1884 else 1885 sc->evdev_a = evdev_a; 1886 return (error); 1887 } 1888 1889 static int 1890 psm_register_elantech(device_t dev) 1891 { 1892 struct psm_softc *sc = device_get_softc(dev); 1893 const uint16_t elantech_absinfo[][4] = { 1894 { ABS_X, 0, sc->elanhw.sizex, 1895 sc->elanhw.dpmmx }, 1896 { ABS_Y, 0, sc->elanhw.sizey, 1897 sc->elanhw.dpmmy }, 1898 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1899 { ABS_TOOL_WIDTH, 0, ELANTECH_FINGER_MAX_W, 0 }, 1900 { ABS_MT_SLOT, 0, ELANTECH_MAX_FINGERS - 1, 0 }, 1901 { ABS_MT_TRACKING_ID, -1, ELANTECH_MAX_FINGERS - 1, 0 }, 1902 { ABS_MT_POSITION_X, 0, sc->elanhw.sizex, 1903 sc->elanhw.dpmmx }, 1904 { ABS_MT_POSITION_Y, 0, sc->elanhw.sizey, 1905 sc->elanhw.dpmmy }, 1906 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1907 { ABS_MT_TOUCH_MAJOR, 0, ELANTECH_FINGER_MAX_W * 1908 sc->elanhw.dptracex, 0 }, 1909 ABSINFO_END, 1910 }; 1911 struct evdev_dev *evdev_a; 1912 int error; 1913 1914 evdev_a = evdev_alloc(); 1915 evdev_set_name(evdev_a, PS2_MOUSE_ELANTECH_NAME); 1916 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1917 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1918 PS2_MOUSE_ELANTECH_PRODUCT, 0); 1919 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1920 evdev_set_flag(evdev_a, EVDEV_FLAG_MT_AUTOREL); 1921 1922 evdev_support_event(evdev_a, EV_SYN); 1923 evdev_support_event(evdev_a, EV_KEY); 1924 evdev_support_event(evdev_a, EV_ABS); 1925 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1926 if (sc->elanhw.issemimt) 1927 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1928 if (sc->elanhw.isclickpad) 1929 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1930 evdev_support_key(evdev_a, BTN_TOUCH); 1931 evdev_support_nfingers(evdev_a, ELANTECH_MAX_FINGERS); 1932 evdev_support_key(evdev_a, BTN_LEFT); 1933 if (!sc->elanhw.isclickpad) 1934 evdev_support_key(evdev_a, BTN_RIGHT); 1935 psm_support_abs_bulk(evdev_a, elantech_absinfo); 1936 1937 error = evdev_register_mtx(evdev_a, &Giant); 1938 if (!error && sc->elanhw.hastrackpoint) 1939 error = psm_register(dev, MOUSE_MODEL_ELANTECH); 1940 if (error) 1941 evdev_free(evdev_a); 1942 else 1943 sc->evdev_a = evdev_a; 1944 return (error); 1945 } 1946 #endif 1947 1948 static int 1949 psmattach(device_t dev) 1950 { 1951 struct make_dev_args mda; 1952 int unit = device_get_unit(dev); 1953 struct psm_softc *sc = device_get_softc(dev); 1954 int error; 1955 int rid; 1956 1957 /* Setup initial state */ 1958 sc->state = PSM_VALID; 1959 callout_init(&sc->callout, 0); 1960 callout_init(&sc->softcallout, 0); 1961 knlist_init_mtx(&sc->rsel.si_note, &Giant); 1962 1963 /* Setup our interrupt handler */ 1964 rid = KBDC_RID_AUX; 1965 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1966 if (sc->intr == NULL) 1967 return (ENXIO); 1968 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1969 &sc->ih); 1970 if (error) 1971 goto out; 1972 1973 /* Done */ 1974 make_dev_args_init(&mda); 1975 mda.mda_devsw = &psm_cdevsw; 1976 mda.mda_mode = 0666; 1977 mda.mda_si_drv1 = sc; 1978 1979 if ((error = make_dev_s(&mda, &sc->cdev, "psm%d", unit)) != 0) 1980 goto out; 1981 if ((error = make_dev_s(&mda, &sc->bdev, "bpsm%d", unit)) != 0) 1982 goto out; 1983 1984 #ifdef EVDEV_SUPPORT 1985 switch (sc->hw.model) { 1986 case MOUSE_MODEL_SYNAPTICS: 1987 error = psm_register_synaptics(dev); 1988 break; 1989 1990 case MOUSE_MODEL_ELANTECH: 1991 error = psm_register_elantech(dev); 1992 break; 1993 1994 default: 1995 error = psm_register(dev, sc->hw.model); 1996 } 1997 1998 if (error) 1999 goto out; 2000 #endif 2001 2002 /* Some touchpad devices need full reinitialization after suspend. */ 2003 switch (sc->hw.model) { 2004 case MOUSE_MODEL_SYNAPTICS: 2005 case MOUSE_MODEL_GLIDEPOINT: 2006 case MOUSE_MODEL_VERSAPAD: 2007 case MOUSE_MODEL_ELANTECH: 2008 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2009 break; 2010 default: 2011 if (sc->synhw.infoMajor >= 4 || sc->tpinfo.sysctl_tree != NULL) 2012 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 2013 break; 2014 } 2015 2016 /* Elantech trackpad`s sync bit differs from touchpad`s one */ 2017 if (sc->hw.model == MOUSE_MODEL_ELANTECH && 2018 (sc->elanhw.hascrc || sc->elanhw.hastrackpoint)) { 2019 sc->config |= PSM_CONFIG_NOCHECKSYNC; 2020 sc->flags &= ~PSM_NEED_SYNCBITS; 2021 } 2022 2023 if (!verbose) 2024 device_printf(dev, "model %s, device ID %d\n", 2025 model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 2026 else { 2027 device_printf(dev, "model %s, device ID %d-%02x, %d buttons\n", 2028 model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 2029 sc->hw.hwid >> 8, sc->hw.buttons); 2030 device_printf(dev, "config:%08x, flags:%08x, packet size:%d\n", 2031 sc->config, sc->flags, sc->mode.packetsize); 2032 device_printf(dev, "syncmask:%02x, syncbits:%02x%s\n", 2033 sc->mode.syncmask[0], sc->mode.syncmask[1], 2034 sc->config & PSM_CONFIG_NOCHECKSYNC ? " (sync not checked)" : ""); 2035 } 2036 2037 if (bootverbose) 2038 --verbose; 2039 2040 out: 2041 if (error != 0) { 2042 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2043 if (sc->dev != NULL) 2044 destroy_dev(sc->cdev); 2045 if (sc->bdev != NULL) 2046 destroy_dev(sc->bdev); 2047 } 2048 return (error); 2049 } 2050 2051 static int 2052 psmdetach(device_t dev) 2053 { 2054 struct psm_softc *sc; 2055 int rid; 2056 2057 sc = device_get_softc(dev); 2058 if (sc->state & PSM_OPEN) 2059 return (EBUSY); 2060 2061 #ifdef EVDEV_SUPPORT 2062 evdev_free(sc->evdev_r); 2063 evdev_free(sc->evdev_a); 2064 #endif 2065 2066 rid = KBDC_RID_AUX; 2067 bus_teardown_intr(dev, sc->intr, sc->ih); 2068 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 2069 2070 destroy_dev(sc->cdev); 2071 destroy_dev(sc->bdev); 2072 2073 knlist_clear(&sc->rsel.si_note, 1); 2074 knlist_destroy(&sc->rsel.si_note); 2075 callout_drain(&sc->callout); 2076 callout_drain(&sc->softcallout); 2077 2078 return (0); 2079 } 2080 2081 #ifdef EVDEV_SUPPORT 2082 static int 2083 psm_ev_open_r(struct evdev_dev *evdev) 2084 { 2085 struct psm_softc *sc = evdev_get_softc(evdev); 2086 int err = 0; 2087 2088 /* Get device data */ 2089 if ((sc->state & PSM_VALID) == 0) { 2090 /* the device is no longer valid/functioning */ 2091 return (ENXIO); 2092 } 2093 2094 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2095 err = psmopen(sc); 2096 2097 if (err == 0) 2098 sc->state |= PSM_EV_OPEN_R; 2099 2100 return (err); 2101 } 2102 2103 static int 2104 psm_ev_close_r(struct evdev_dev *evdev) 2105 { 2106 struct psm_softc *sc = evdev_get_softc(evdev); 2107 int err = 0; 2108 2109 sc->state &= ~PSM_EV_OPEN_R; 2110 2111 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2112 return (0); 2113 2114 if (sc->state & PSM_VALID) 2115 err = psmclose(sc); 2116 2117 return (err); 2118 } 2119 2120 static int 2121 psm_ev_open_a(struct evdev_dev *evdev) 2122 { 2123 struct psm_softc *sc = evdev_get_softc(evdev); 2124 int err = 0; 2125 2126 /* Get device data */ 2127 if ((sc->state & PSM_VALID) == 0) { 2128 /* the device is no longer valid/functioning */ 2129 return (ENXIO); 2130 } 2131 2132 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2133 err = psmopen(sc); 2134 2135 if (err == 0) 2136 sc->state |= PSM_EV_OPEN_A; 2137 2138 return (err); 2139 } 2140 2141 static int 2142 psm_ev_close_a(struct evdev_dev *evdev) 2143 { 2144 struct psm_softc *sc = evdev_get_softc(evdev); 2145 int err = 0; 2146 2147 sc->state &= ~PSM_EV_OPEN_A; 2148 2149 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2150 return (0); 2151 2152 if (sc->state & PSM_VALID) 2153 err = psmclose(sc); 2154 2155 return (err); 2156 } 2157 #endif 2158 2159 static int 2160 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2161 { 2162 struct psm_softc *sc; 2163 int err = 0; 2164 2165 /* Get device data */ 2166 sc = dev->si_drv1; 2167 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2168 /* the device is no longer valid/functioning */ 2169 return (ENXIO); 2170 } 2171 2172 /* Disallow multiple opens */ 2173 if (sc->state & PSM_OPEN) 2174 return (EBUSY); 2175 2176 device_busy(sc->dev); 2177 2178 #ifdef EVDEV_SUPPORT 2179 /* Already opened by evdev */ 2180 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2181 #endif 2182 err = psmopen(sc); 2183 2184 if (err == 0) 2185 sc->state |= PSM_OPEN; 2186 else 2187 device_unbusy(sc->dev); 2188 2189 return (err); 2190 } 2191 2192 static int 2193 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2194 { 2195 struct psm_softc *sc; 2196 int err = 0; 2197 2198 /* Get device data */ 2199 sc = dev->si_drv1; 2200 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2201 /* the device is no longer valid/functioning */ 2202 return (ENXIO); 2203 } 2204 2205 #ifdef EVDEV_SUPPORT 2206 /* Still opened by evdev */ 2207 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2208 #endif 2209 err = psmclose(sc); 2210 2211 if (err == 0) { 2212 sc->state &= ~PSM_OPEN; 2213 /* clean up and sigio requests */ 2214 if (sc->async != NULL) { 2215 funsetown(&sc->async); 2216 sc->async = NULL; 2217 } 2218 device_unbusy(sc->dev); 2219 } 2220 2221 return (err); 2222 } 2223 2224 static int 2225 psmopen(struct psm_softc *sc) 2226 { 2227 int command_byte; 2228 int err; 2229 int s; 2230 2231 /* Initialize state */ 2232 sc->mode.level = sc->dflt_mode.level; 2233 sc->mode.protocol = sc->dflt_mode.protocol; 2234 sc->watchdog = FALSE; 2235 sc->async = NULL; 2236 2237 /* flush the event queue */ 2238 sc->queue.count = 0; 2239 sc->queue.head = 0; 2240 sc->queue.tail = 0; 2241 sc->status.flags = 0; 2242 sc->status.button = 0; 2243 sc->status.obutton = 0; 2244 sc->status.dx = 0; 2245 sc->status.dy = 0; 2246 sc->status.dz = 0; 2247 sc->button = 0; 2248 sc->pqueue_start = 0; 2249 sc->pqueue_end = 0; 2250 2251 /* empty input buffer */ 2252 flushpackets(sc); 2253 sc->syncerrors = 0; 2254 sc->pkterrors = 0; 2255 2256 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2257 if (!kbdc_lock(sc->kbdc, TRUE)) 2258 return (EIO); 2259 2260 /* save the current controller command byte */ 2261 s = spltty(); 2262 command_byte = get_controller_command_byte(sc->kbdc); 2263 2264 /* enable the aux port and temporalily disable the keyboard */ 2265 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2266 kbdc_get_device_mask(sc->kbdc), 2267 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2268 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2269 /* CONTROLLER ERROR; do you know how to get out of this? */ 2270 kbdc_lock(sc->kbdc, FALSE); 2271 splx(s); 2272 device_log(sc->dev, LOG_ERR, 2273 "unable to set the command byte (psmopen).\n"); 2274 return (EIO); 2275 } 2276 /* 2277 * Now that the keyboard controller is told not to generate 2278 * the keyboard and mouse interrupts, call `splx()' to allow 2279 * the other tty interrupts. The clock interrupt may also occur, 2280 * but timeout routines will be blocked by the poll flag set 2281 * via `kbdc_lock()' 2282 */ 2283 splx(s); 2284 2285 /* enable the mouse device */ 2286 err = doopen(sc, command_byte); 2287 2288 /* done */ 2289 kbdc_lock(sc->kbdc, FALSE); 2290 return (err); 2291 } 2292 2293 static int 2294 psmclose(struct psm_softc *sc) 2295 { 2296 int stat[3]; 2297 int command_byte; 2298 int s; 2299 2300 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2301 if (!kbdc_lock(sc->kbdc, TRUE)) 2302 return (EIO); 2303 2304 /* save the current controller command byte */ 2305 s = spltty(); 2306 command_byte = get_controller_command_byte(sc->kbdc); 2307 if (command_byte == -1) { 2308 kbdc_lock(sc->kbdc, FALSE); 2309 splx(s); 2310 return (EIO); 2311 } 2312 2313 /* disable the aux interrupt and temporalily disable the keyboard */ 2314 if (!set_controller_command_byte(sc->kbdc, 2315 kbdc_get_device_mask(sc->kbdc), 2316 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2317 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2318 device_log(sc->dev, LOG_ERR, 2319 "failed to disable the aux int (psmclose).\n"); 2320 /* CONTROLLER ERROR; 2321 * NOTE: we shall force our way through. Because the only 2322 * ill effect we shall see is that we may not be able 2323 * to read ACK from the mouse, and it doesn't matter much 2324 * so long as the mouse will accept the DISABLE command. 2325 */ 2326 } 2327 splx(s); 2328 2329 /* stop the watchdog timer */ 2330 callout_stop(&sc->callout); 2331 2332 /* remove anything left in the output buffer */ 2333 empty_aux_buffer(sc->kbdc, 10); 2334 2335 /* disable the aux device, port and interrupt */ 2336 if (sc->state & PSM_VALID) { 2337 if (!disable_aux_dev(sc->kbdc)) { 2338 /* MOUSE ERROR; 2339 * NOTE: we don't return (error) and continue, 2340 * pretending we have successfully disabled the device. 2341 * It's OK because the interrupt routine will discard 2342 * any data from the mouse hereafter. 2343 */ 2344 device_log(sc->dev, LOG_ERR, 2345 "failed to disable the device (psmclose).\n"); 2346 } 2347 2348 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2349 device_log(sc->dev, LOG_DEBUG, 2350 "failed to get status (psmclose).\n"); 2351 } 2352 2353 if (!set_controller_command_byte(sc->kbdc, 2354 kbdc_get_device_mask(sc->kbdc), 2355 (command_byte & KBD_KBD_CONTROL_BITS) | 2356 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2357 /* 2358 * CONTROLLER ERROR; 2359 * we shall ignore this error; see the above comment. 2360 */ 2361 device_log(sc->dev, LOG_ERR, 2362 "failed to disable the aux port (psmclose).\n"); 2363 } 2364 2365 /* remove anything left in the output buffer */ 2366 empty_aux_buffer(sc->kbdc, 10); 2367 2368 /* close is almost always successful */ 2369 kbdc_lock(sc->kbdc, FALSE); 2370 return (0); 2371 } 2372 2373 static int 2374 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2375 u_char *buf) 2376 { 2377 static u_char butmapps2[8] = { 2378 0, 2379 MOUSE_PS2_BUTTON1DOWN, 2380 MOUSE_PS2_BUTTON2DOWN, 2381 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2382 MOUSE_PS2_BUTTON3DOWN, 2383 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2384 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2385 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2386 MOUSE_PS2_BUTTON3DOWN, 2387 }; 2388 static u_char butmapmsc[8] = { 2389 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2390 MOUSE_MSC_BUTTON3UP, 2391 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2392 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2393 MOUSE_MSC_BUTTON3UP, 2394 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2395 MOUSE_MSC_BUTTON2UP, 2396 MOUSE_MSC_BUTTON1UP, 2397 0, 2398 }; 2399 int mapped; 2400 int i; 2401 2402 if (sc->mode.level == PSM_LEVEL_BASE) { 2403 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2404 if (status->button & MOUSE_BUTTON4DOWN) 2405 mapped |= MOUSE_BUTTON1DOWN; 2406 status->button = mapped; 2407 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2408 i = imax(imin(status->dx, 255), -256); 2409 if (i < 0) 2410 buf[0] |= MOUSE_PS2_XNEG; 2411 buf[1] = i; 2412 i = imax(imin(status->dy, 255), -256); 2413 if (i < 0) 2414 buf[0] |= MOUSE_PS2_YNEG; 2415 buf[2] = i; 2416 return (MOUSE_PS2_PACKETSIZE); 2417 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2418 buf[0] = MOUSE_MSC_SYNC | 2419 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2420 i = imax(imin(status->dx, 255), -256); 2421 buf[1] = i >> 1; 2422 buf[3] = i - buf[1]; 2423 i = imax(imin(status->dy, 255), -256); 2424 buf[2] = i >> 1; 2425 buf[4] = i - buf[2]; 2426 i = imax(imin(status->dz, 127), -128); 2427 buf[5] = (i >> 1) & 0x7f; 2428 buf[6] = (i - (i >> 1)) & 0x7f; 2429 buf[7] = (~status->button >> 3) & 0x7f; 2430 return (MOUSE_SYS_PACKETSIZE); 2431 } 2432 return (pb->inputbytes); 2433 } 2434 2435 static int 2436 psmread(struct cdev *dev, struct uio *uio, int flag) 2437 { 2438 struct psm_softc *sc = dev->si_drv1; 2439 u_char buf[PSM_SMALLBUFSIZE]; 2440 int error = 0; 2441 int s; 2442 int l; 2443 2444 if ((sc->state & PSM_VALID) == 0) 2445 return (EIO); 2446 2447 /* block until mouse activity occurred */ 2448 s = spltty(); 2449 while (sc->queue.count <= 0) { 2450 if (dev != sc->bdev) { 2451 splx(s); 2452 return (EWOULDBLOCK); 2453 } 2454 sc->state |= PSM_ASLP; 2455 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2456 sc->state &= ~PSM_ASLP; 2457 if (error) { 2458 splx(s); 2459 return (error); 2460 } else if ((sc->state & PSM_VALID) == 0) { 2461 /* the device disappeared! */ 2462 splx(s); 2463 return (EIO); 2464 } 2465 } 2466 splx(s); 2467 2468 /* copy data to the user land */ 2469 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2470 s = spltty(); 2471 l = imin(sc->queue.count, uio->uio_resid); 2472 if (l > sizeof(buf)) 2473 l = sizeof(buf); 2474 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2475 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2476 sizeof(sc->queue.buf) - sc->queue.head); 2477 bcopy(&sc->queue.buf[0], 2478 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2479 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2480 } else 2481 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2482 sc->queue.count -= l; 2483 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2484 splx(s); 2485 error = uiomove(buf, l, uio); 2486 if (error) 2487 break; 2488 } 2489 2490 return (error); 2491 } 2492 2493 static int 2494 block_mouse_data(struct psm_softc *sc, int *c) 2495 { 2496 int s; 2497 2498 if (!kbdc_lock(sc->kbdc, TRUE)) 2499 return (EIO); 2500 2501 s = spltty(); 2502 *c = get_controller_command_byte(sc->kbdc); 2503 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2504 kbdc_get_device_mask(sc->kbdc), 2505 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2506 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2507 /* this is CONTROLLER ERROR */ 2508 splx(s); 2509 kbdc_lock(sc->kbdc, FALSE); 2510 return (EIO); 2511 } 2512 2513 /* 2514 * The device may be in the middle of status data transmission. 2515 * The transmission will be interrupted, thus, incomplete status 2516 * data must be discarded. Although the aux interrupt is disabled 2517 * at the keyboard controller level, at most one aux interrupt 2518 * may have already been pending and a data byte is in the 2519 * output buffer; throw it away. Note that the second argument 2520 * to `empty_aux_buffer()' is zero, so that the call will just 2521 * flush the internal queue. 2522 * `psmintr()' will be invoked after `splx()' if an interrupt is 2523 * pending; it will see no data and returns immediately. 2524 */ 2525 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2526 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2527 flushpackets(sc); 2528 splx(s); 2529 2530 return (0); 2531 } 2532 2533 static void 2534 dropqueue(struct psm_softc *sc) 2535 { 2536 2537 sc->queue.count = 0; 2538 sc->queue.head = 0; 2539 sc->queue.tail = 0; 2540 if ((sc->state & PSM_SOFTARMED) != 0) { 2541 sc->state &= ~PSM_SOFTARMED; 2542 callout_stop(&sc->softcallout); 2543 } 2544 sc->pqueue_start = sc->pqueue_end; 2545 } 2546 2547 static void 2548 flushpackets(struct psm_softc *sc) 2549 { 2550 2551 dropqueue(sc); 2552 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2553 } 2554 2555 static int 2556 unblock_mouse_data(struct psm_softc *sc, int c) 2557 { 2558 int error = 0; 2559 2560 /* 2561 * We may have seen a part of status data during `set_mouse_XXX()'. 2562 * they have been queued; flush it. 2563 */ 2564 empty_aux_buffer(sc->kbdc, 0); 2565 2566 /* restore ports and interrupt */ 2567 if (!set_controller_command_byte(sc->kbdc, 2568 kbdc_get_device_mask(sc->kbdc), 2569 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2570 /* 2571 * CONTROLLER ERROR; this is serious, we may have 2572 * been left with the inaccessible keyboard and 2573 * the disabled mouse interrupt. 2574 */ 2575 error = EIO; 2576 } 2577 2578 kbdc_lock(sc->kbdc, FALSE); 2579 return (error); 2580 } 2581 2582 static int 2583 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2584 { 2585 struct psm_softc *sc = dev->si_drv1; 2586 u_char buf[PSM_SMALLBUFSIZE]; 2587 int error = 0, i, l; 2588 2589 if ((sc->state & PSM_VALID) == 0) 2590 return (EIO); 2591 2592 if (sc->mode.level < PSM_LEVEL_NATIVE) 2593 return (ENODEV); 2594 2595 /* copy data from the user land */ 2596 while (uio->uio_resid > 0) { 2597 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2598 error = uiomove(buf, l, uio); 2599 if (error) 2600 break; 2601 for (i = 0; i < l; i++) { 2602 VDLOG(4, sc->dev, LOG_DEBUG, "cmd 0x%x\n", buf[i]); 2603 if (!write_aux_command(sc->kbdc, buf[i])) { 2604 VDLOG(2, sc->dev, LOG_DEBUG, 2605 "cmd 0x%x failed.\n", buf[i]); 2606 return (reinitialize(sc, FALSE)); 2607 } 2608 } 2609 } 2610 2611 return (error); 2612 } 2613 2614 static int 2615 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2616 struct thread *td) 2617 { 2618 struct psm_softc *sc = dev->si_drv1; 2619 mousemode_t mode; 2620 mousestatus_t status; 2621 mousedata_t *data; 2622 int stat[3]; 2623 int command_byte; 2624 int error = 0; 2625 int s; 2626 2627 /* Perform IOCTL command */ 2628 switch (cmd) { 2629 case OLD_MOUSE_GETHWINFO: 2630 s = spltty(); 2631 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2632 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2633 ((old_mousehw_t *)addr)->type = sc->hw.type; 2634 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2635 splx(s); 2636 break; 2637 2638 case MOUSE_GETHWINFO: 2639 s = spltty(); 2640 *(mousehw_t *)addr = sc->hw; 2641 if (sc->mode.level == PSM_LEVEL_BASE) 2642 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2643 splx(s); 2644 break; 2645 2646 case MOUSE_SYN_GETHWINFO: 2647 s = spltty(); 2648 if (sc->synhw.infoMajor >= 4) 2649 *(synapticshw_t *)addr = sc->synhw; 2650 else 2651 error = EINVAL; 2652 splx(s); 2653 break; 2654 2655 case OLD_MOUSE_GETMODE: 2656 s = spltty(); 2657 switch (sc->mode.level) { 2658 case PSM_LEVEL_BASE: 2659 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2660 break; 2661 case PSM_LEVEL_STANDARD: 2662 ((old_mousemode_t *)addr)->protocol = 2663 MOUSE_PROTO_SYSMOUSE; 2664 break; 2665 case PSM_LEVEL_NATIVE: 2666 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2667 break; 2668 } 2669 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2670 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2671 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2672 splx(s); 2673 break; 2674 2675 case MOUSE_GETMODE: 2676 s = spltty(); 2677 *(mousemode_t *)addr = sc->mode; 2678 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2679 ((mousemode_t *)addr)->syncmask[0] = 0; 2680 ((mousemode_t *)addr)->syncmask[1] = 0; 2681 } 2682 ((mousemode_t *)addr)->resolution = 2683 MOUSE_RES_LOW - sc->mode.resolution; 2684 switch (sc->mode.level) { 2685 case PSM_LEVEL_BASE: 2686 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2687 ((mousemode_t *)addr)->packetsize = 2688 MOUSE_PS2_PACKETSIZE; 2689 break; 2690 case PSM_LEVEL_STANDARD: 2691 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2692 ((mousemode_t *)addr)->packetsize = 2693 MOUSE_SYS_PACKETSIZE; 2694 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2695 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2696 break; 2697 case PSM_LEVEL_NATIVE: 2698 /* FIXME: this isn't quite correct... XXX */ 2699 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2700 break; 2701 } 2702 splx(s); 2703 break; 2704 2705 case OLD_MOUSE_SETMODE: 2706 case MOUSE_SETMODE: 2707 if (cmd == OLD_MOUSE_SETMODE) { 2708 mode.rate = ((old_mousemode_t *)addr)->rate; 2709 /* 2710 * resolution old I/F new I/F 2711 * default 0 0 2712 * low 1 -2 2713 * medium low 2 -3 2714 * medium high 3 -4 2715 * high 4 -5 2716 */ 2717 if (((old_mousemode_t *)addr)->resolution > 0) 2718 mode.resolution = 2719 -((old_mousemode_t *)addr)->resolution - 1; 2720 else 2721 mode.resolution = 0; 2722 mode.accelfactor = 2723 ((old_mousemode_t *)addr)->accelfactor; 2724 mode.level = -1; 2725 } else 2726 mode = *(mousemode_t *)addr; 2727 2728 /* adjust and validate parameters. */ 2729 if (mode.rate > UCHAR_MAX) 2730 return (EINVAL); 2731 if (mode.rate == 0) 2732 mode.rate = sc->dflt_mode.rate; 2733 else if (mode.rate == -1) 2734 /* don't change the current setting */ 2735 ; 2736 else if (mode.rate < 0) 2737 return (EINVAL); 2738 if (mode.resolution >= UCHAR_MAX) 2739 return (EINVAL); 2740 if (mode.resolution >= 200) 2741 mode.resolution = MOUSE_RES_HIGH; 2742 else if (mode.resolution >= 100) 2743 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2744 else if (mode.resolution >= 50) 2745 mode.resolution = MOUSE_RES_MEDIUMLOW; 2746 else if (mode.resolution > 0) 2747 mode.resolution = MOUSE_RES_LOW; 2748 if (mode.resolution == MOUSE_RES_DEFAULT) 2749 mode.resolution = sc->dflt_mode.resolution; 2750 else if (mode.resolution == -1) 2751 /* don't change the current setting */ 2752 ; 2753 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2754 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2755 if (mode.level == -1) 2756 /* don't change the current setting */ 2757 mode.level = sc->mode.level; 2758 else if ((mode.level < PSM_LEVEL_MIN) || 2759 (mode.level > PSM_LEVEL_MAX)) 2760 return (EINVAL); 2761 if (mode.accelfactor == -1) 2762 /* don't change the current setting */ 2763 mode.accelfactor = sc->mode.accelfactor; 2764 else if (mode.accelfactor < 0) 2765 return (EINVAL); 2766 2767 /* don't allow anybody to poll the keyboard controller */ 2768 error = block_mouse_data(sc, &command_byte); 2769 if (error) 2770 return (error); 2771 2772 /* set mouse parameters */ 2773 if (mode.rate > 0) 2774 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2775 mode.rate); 2776 if (mode.resolution >= 0) 2777 mode.resolution = 2778 set_mouse_resolution(sc->kbdc, mode.resolution); 2779 set_mouse_scaling(sc->kbdc, 1); 2780 get_mouse_status(sc->kbdc, stat, 0, 3); 2781 2782 s = spltty(); 2783 sc->mode.rate = mode.rate; 2784 sc->mode.resolution = mode.resolution; 2785 sc->mode.accelfactor = mode.accelfactor; 2786 sc->mode.level = mode.level; 2787 splx(s); 2788 2789 unblock_mouse_data(sc, command_byte); 2790 break; 2791 2792 case MOUSE_GETLEVEL: 2793 *(int *)addr = sc->mode.level; 2794 break; 2795 2796 case MOUSE_SETLEVEL: 2797 if ((*(int *)addr < PSM_LEVEL_MIN) || 2798 (*(int *)addr > PSM_LEVEL_MAX)) 2799 return (EINVAL); 2800 sc->mode.level = *(int *)addr; 2801 break; 2802 2803 case MOUSE_GETSTATUS: 2804 s = spltty(); 2805 status = sc->status; 2806 sc->status.flags = 0; 2807 sc->status.obutton = sc->status.button; 2808 sc->status.button = 0; 2809 sc->status.dx = 0; 2810 sc->status.dy = 0; 2811 sc->status.dz = 0; 2812 splx(s); 2813 *(mousestatus_t *)addr = status; 2814 break; 2815 2816 case MOUSE_READSTATE: 2817 case MOUSE_READDATA: 2818 data = (mousedata_t *)addr; 2819 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2820 return (EINVAL); 2821 2822 error = block_mouse_data(sc, &command_byte); 2823 if (error) 2824 return (error); 2825 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2826 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2827 error = EIO; 2828 unblock_mouse_data(sc, command_byte); 2829 break; 2830 2831 #if (defined(MOUSE_SETRESOLUTION)) 2832 case MOUSE_SETRESOLUTION: 2833 mode.resolution = *(int *)addr; 2834 if (mode.resolution >= UCHAR_MAX) 2835 return (EINVAL); 2836 else if (mode.resolution >= 200) 2837 mode.resolution = MOUSE_RES_HIGH; 2838 else if (mode.resolution >= 100) 2839 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2840 else if (mode.resolution >= 50) 2841 mode.resolution = MOUSE_RES_MEDIUMLOW; 2842 else if (mode.resolution > 0) 2843 mode.resolution = MOUSE_RES_LOW; 2844 if (mode.resolution == MOUSE_RES_DEFAULT) 2845 mode.resolution = sc->dflt_mode.resolution; 2846 else if (mode.resolution == -1) 2847 mode.resolution = sc->mode.resolution; 2848 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2849 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2850 2851 error = block_mouse_data(sc, &command_byte); 2852 if (error) 2853 return (error); 2854 sc->mode.resolution = 2855 set_mouse_resolution(sc->kbdc, mode.resolution); 2856 if (sc->mode.resolution != mode.resolution) 2857 error = EIO; 2858 unblock_mouse_data(sc, command_byte); 2859 break; 2860 #endif /* MOUSE_SETRESOLUTION */ 2861 2862 #if (defined(MOUSE_SETRATE)) 2863 case MOUSE_SETRATE: 2864 mode.rate = *(int *)addr; 2865 if (mode.rate > UCHAR_MAX) 2866 return (EINVAL); 2867 if (mode.rate == 0) 2868 mode.rate = sc->dflt_mode.rate; 2869 else if (mode.rate < 0) 2870 mode.rate = sc->mode.rate; 2871 2872 error = block_mouse_data(sc, &command_byte); 2873 if (error) 2874 return (error); 2875 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2876 if (sc->mode.rate != mode.rate) 2877 error = EIO; 2878 unblock_mouse_data(sc, command_byte); 2879 break; 2880 #endif /* MOUSE_SETRATE */ 2881 2882 #if (defined(MOUSE_SETSCALING)) 2883 case MOUSE_SETSCALING: 2884 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2885 return (EINVAL); 2886 2887 error = block_mouse_data(sc, &command_byte); 2888 if (error) 2889 return (error); 2890 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2891 error = EIO; 2892 unblock_mouse_data(sc, command_byte); 2893 break; 2894 #endif /* MOUSE_SETSCALING */ 2895 2896 #if (defined(MOUSE_GETHWID)) 2897 case MOUSE_GETHWID: 2898 error = block_mouse_data(sc, &command_byte); 2899 if (error) 2900 return (error); 2901 sc->hw.hwid &= ~0x00ff; 2902 sc->hw.hwid |= get_aux_id(sc->kbdc); 2903 *(int *)addr = sc->hw.hwid & 0x00ff; 2904 unblock_mouse_data(sc, command_byte); 2905 break; 2906 #endif /* MOUSE_GETHWID */ 2907 2908 case FIONBIO: 2909 case FIOASYNC: 2910 break; 2911 case FIOSETOWN: 2912 error = fsetown(*(int *)addr, &sc->async); 2913 break; 2914 case FIOGETOWN: 2915 *(int *) addr = fgetown(&sc->async); 2916 break; 2917 default: 2918 return (ENOTTY); 2919 } 2920 2921 return (error); 2922 } 2923 2924 static void 2925 psmtimeout(void *arg) 2926 { 2927 struct psm_softc *sc; 2928 int s; 2929 2930 sc = (struct psm_softc *)arg; 2931 s = spltty(); 2932 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2933 VDLOG(6, sc->dev, LOG_DEBUG, "lost interrupt?\n"); 2934 psmintr(sc); 2935 kbdc_lock(sc->kbdc, FALSE); 2936 } 2937 sc->watchdog = TRUE; 2938 splx(s); 2939 callout_reset(&sc->callout, hz, psmtimeout, sc); 2940 } 2941 2942 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2943 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2944 "ps/2 mouse"); 2945 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 2946 "ps/2 mouse"); 2947 2948 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RWTUN, &verbose, 0, 2949 "Verbosity level"); 2950 2951 static int psmhz = 20; 2952 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2953 "Frequency of the softcallout (in hz)"); 2954 static int psmerrsecs = 2; 2955 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2956 "Number of seconds during which packets will dropped after a sync error"); 2957 static int psmerrusecs = 0; 2958 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2959 "Microseconds to add to psmerrsecs"); 2960 static int psmsecs = 0; 2961 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2962 "Max number of seconds between soft interrupts"); 2963 static int psmusecs = 500000; 2964 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2965 "Microseconds to add to psmsecs"); 2966 static int pkterrthresh = 2; 2967 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2968 "Number of error packets allowed before reinitializing the mouse"); 2969 2970 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RWTUN, &tap_enabled, 0, 2971 "Enable tap and drag gestures"); 2972 static int tap_threshold = PSM_TAP_THRESHOLD; 2973 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2974 "Button tap threshold"); 2975 static int tap_timeout = PSM_TAP_TIMEOUT; 2976 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2977 "Tap timeout for touchpads"); 2978 2979 /* Tunables */ 2980 SYSCTL_INT(_hw_psm, OID_AUTO, synaptics_support, CTLFLAG_RDTUN, 2981 &synaptics_support, 0, "Enable support for Synaptics touchpads"); 2982 2983 SYSCTL_INT(_hw_psm, OID_AUTO, trackpoint_support, CTLFLAG_RDTUN, 2984 &trackpoint_support, 0, "Enable support for IBM/Lenovo TrackPoint"); 2985 2986 SYSCTL_INT(_hw_psm, OID_AUTO, elantech_support, CTLFLAG_RDTUN, 2987 &elantech_support, 0, "Enable support for Elantech touchpads"); 2988 2989 SYSCTL_INT(_hw_psm, OID_AUTO, mux_disabled, CTLFLAG_RDTUN, 2990 &mux_disabled, 0, "Disable active multiplexing"); 2991 2992 static void 2993 psmintr(void *arg) 2994 { 2995 struct psm_softc *sc = arg; 2996 struct timeval now; 2997 int c; 2998 packetbuf_t *pb; 2999 3000 if (aux_mux_is_enabled(sc->kbdc)) 3001 VLOG(2, (LOG_DEBUG, "psmintr: active multiplexing mode is not " 3002 "supported!\n")); 3003 3004 /* read until there is nothing to read */ 3005 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 3006 pb = &sc->pqueue[sc->pqueue_end]; 3007 3008 /* discard the byte if the device is not open */ 3009 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 3010 continue; 3011 3012 getmicrouptime(&now); 3013 if ((pb->inputbytes > 0) && 3014 timevalcmp(&now, &sc->inputtimeout, >)) { 3015 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 3016 "resetting byte count\n")); 3017 pb->inputbytes = 0; 3018 sc->syncerrors = 0; 3019 sc->pkterrors = 0; 3020 } 3021 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 3022 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 3023 timevaladd(&sc->inputtimeout, &now); 3024 3025 pb->ipacket[pb->inputbytes++] = c; 3026 3027 if (sc->mode.level == PSM_LEVEL_NATIVE) { 3028 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 3029 sc->syncerrors = 0; 3030 sc->pkterrors = 0; 3031 goto next; 3032 } else { 3033 if (pb->inputbytes < sc->mode.packetsize) 3034 continue; 3035 3036 VLOG(4, (LOG_DEBUG, 3037 "psmintr: %02x %02x %02x %02x %02x %02x\n", 3038 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3039 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3040 } 3041 3042 c = pb->ipacket[0]; 3043 3044 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 3045 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 3046 sc->flags &= ~PSM_NEED_SYNCBITS; 3047 VLOG(2, (LOG_DEBUG, 3048 "psmintr: Sync bytes now %04x,%04x\n", 3049 sc->mode.syncmask[0], sc->mode.syncmask[1])); 3050 } else if ((sc->config & PSM_CONFIG_NOCHECKSYNC) == 0 && 3051 (c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 3052 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 3053 "(%04x != %04x) %d cmds since last error.\n", 3054 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 3055 sc->cmdcount - sc->lasterr)); 3056 sc->lasterr = sc->cmdcount; 3057 /* 3058 * The sync byte test is a weak measure of packet 3059 * validity. Conservatively discard any input yet 3060 * to be seen by userland when we detect a sync 3061 * error since there is a good chance some of 3062 * the queued packets have undetected errors. 3063 */ 3064 dropqueue(sc); 3065 if (sc->syncerrors == 0) 3066 sc->pkterrors++; 3067 ++sc->syncerrors; 3068 sc->lastinputerr = now; 3069 if (sc->syncerrors >= sc->mode.packetsize * 2 || 3070 sc->pkterrors >= pkterrthresh) { 3071 /* 3072 * If we've failed to find a single sync byte 3073 * in 2 packets worth of data, or we've seen 3074 * persistent packet errors during the 3075 * validation period, reinitialize the mouse 3076 * in hopes of returning it to the expected 3077 * mode. 3078 */ 3079 VLOG(3, (LOG_DEBUG, 3080 "psmintr: reset the mouse.\n")); 3081 reinitialize(sc, TRUE); 3082 } else if (sc->syncerrors == sc->mode.packetsize) { 3083 /* 3084 * Try a soft reset after searching for a sync 3085 * byte through a packet length of bytes. 3086 */ 3087 VLOG(3, (LOG_DEBUG, 3088 "psmintr: re-enable the mouse.\n")); 3089 pb->inputbytes = 0; 3090 disable_aux_dev(sc->kbdc); 3091 enable_aux_dev(sc->kbdc); 3092 } else { 3093 VLOG(3, (LOG_DEBUG, 3094 "psmintr: discard a byte (%d)\n", 3095 sc->syncerrors)); 3096 pb->inputbytes--; 3097 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3098 pb->inputbytes); 3099 } 3100 continue; 3101 } 3102 3103 /* 3104 * We have what appears to be a valid packet. 3105 * Reset the error counters. 3106 */ 3107 sc->syncerrors = 0; 3108 3109 /* 3110 * Drop even good packets if they occur within a timeout 3111 * period of a sync error. This allows the detection of 3112 * a change in the mouse's packet mode without exposing 3113 * erratic mouse behavior to the user. Some KVMs forget 3114 * enhanced mouse modes during switch events. 3115 */ 3116 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3117 &now)) { 3118 pb->inputbytes = 0; 3119 continue; 3120 } 3121 3122 /* 3123 * Now that we're out of the validation period, reset 3124 * the packet error count. 3125 */ 3126 sc->pkterrors = 0; 3127 3128 sc->cmdcount++; 3129 next: 3130 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3131 sc->pqueue_end = 0; 3132 /* 3133 * If we've filled the queue then call the softintr ourselves, 3134 * otherwise schedule the interrupt for later. 3135 * Do not postpone interrupts for absolute devices as it 3136 * affects tap detection timings. 3137 */ 3138 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS || 3139 sc->hw.model == MOUSE_MODEL_ELANTECH || 3140 !timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3141 (sc->pqueue_end == sc->pqueue_start)) { 3142 if ((sc->state & PSM_SOFTARMED) != 0) { 3143 sc->state &= ~PSM_SOFTARMED; 3144 callout_stop(&sc->softcallout); 3145 } 3146 psmsoftintr(arg); 3147 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3148 sc->state |= PSM_SOFTARMED; 3149 callout_reset(&sc->softcallout, 3150 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3151 } 3152 } 3153 } 3154 3155 static void 3156 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3157 int *x, int *y, int *z) 3158 { 3159 3160 /* 3161 * PS2++ protocol packet 3162 * 3163 * b7 b6 b5 b4 b3 b2 b1 b0 3164 * byte 1: * 1 p3 p2 1 * * * 3165 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3166 * 3167 * p3-p0: packet type 3168 * c1, c2: c1 & c2 == 1, if p2 == 0 3169 * c1 & c2 == 0, if p2 == 1 3170 * 3171 * packet type: 0 (device type) 3172 * See comments in enable_mmanplus() below. 3173 * 3174 * packet type: 1 (wheel data) 3175 * 3176 * b7 b6 b5 b4 b3 b2 b1 b0 3177 * byte 3: h * B5 B4 s d2 d1 d0 3178 * 3179 * h: 1, if horizontal roller data 3180 * 0, if vertical roller data 3181 * B4, B5: button 4 and 5 3182 * s: sign bit 3183 * d2-d0: roller data 3184 * 3185 * packet type: 2 (reserved) 3186 */ 3187 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3188 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3189 /* 3190 * the extended data packet encodes button 3191 * and wheel events 3192 */ 3193 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3194 case 1: 3195 /* wheel data packet */ 3196 *x = *y = 0; 3197 if (pb->ipacket[2] & 0x80) { 3198 /* XXX horizontal roller count - ignore it */ 3199 ; 3200 } else { 3201 /* vertical roller count */ 3202 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3203 (pb->ipacket[2] & 0x0f) - 16 : 3204 (pb->ipacket[2] & 0x0f); 3205 } 3206 ms->button |= (pb->ipacket[2] & 3207 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3208 MOUSE_BUTTON4DOWN : 0; 3209 ms->button |= (pb->ipacket[2] & 3210 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3211 MOUSE_BUTTON5DOWN : 0; 3212 break; 3213 case 2: 3214 /* 3215 * this packet type is reserved by 3216 * Logitech... 3217 */ 3218 /* 3219 * IBM ScrollPoint Mouse uses this 3220 * packet type to encode both vertical 3221 * and horizontal scroll movement. 3222 */ 3223 *x = *y = 0; 3224 /* horizontal count */ 3225 if (pb->ipacket[2] & 0x0f) 3226 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3227 -2 : 2; 3228 /* vertical count */ 3229 if (pb->ipacket[2] & 0xf0) 3230 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3231 -1 : 1; 3232 break; 3233 case 0: 3234 /* device type packet - shouldn't happen */ 3235 /* FALLTHROUGH */ 3236 default: 3237 *x = *y = 0; 3238 ms->button = ms->obutton; 3239 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3240 "type %d: 0x%02x 0x%02x 0x%02x\n", 3241 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3242 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3243 break; 3244 } 3245 } else { 3246 /* preserve button states */ 3247 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3248 } 3249 } 3250 3251 static int 3252 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3253 int *x, int *y, int *z) 3254 { 3255 static int touchpad_buttons; 3256 static int guest_buttons; 3257 static int ew_finger_count; 3258 static finger_t f[PSM_FINGERS]; 3259 int w, id, nfingers, palm, ewcode, extended_buttons, clickpad_pressed; 3260 3261 extended_buttons = 0; 3262 3263 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3264 * 3265 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3266 * ------------------------------------------------ 3267 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3268 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3269 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3270 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3271 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3272 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3273 * 3274 * Legend: 3275 * L: left physical mouse button 3276 * R: right physical mouse button 3277 * D: down button 3278 * U: up button 3279 * W: "wrist" value 3280 * X: x position 3281 * Y: y position 3282 * Z: pressure 3283 * 3284 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3285 * 3286 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3287 * ------------------------------------------------------ 3288 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3289 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3290 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3291 * 3292 * Legend: 3293 * M: Middle physical mouse button 3294 * E: Extended mouse buttons reported instead of low bits of X and Y 3295 * b1-b8: Extended mouse buttons 3296 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3297 * 4 and 5, for reading X and Y value they should be zeroed. 3298 * 3299 * Absolute reportable limits: 0 - 6143. 3300 * Typical bezel limits: 1472 - 5472. 3301 * Typical edge marings: 1632 - 5312. 3302 * 3303 * w = 3 Passthrough Packet 3304 * 3305 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3306 */ 3307 3308 if (!synaptics_support) 3309 return (0); 3310 3311 /* Sanity check for out of sync packets. */ 3312 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3313 (pb->ipacket[3] & 0xc8) != 0xc0) 3314 return (-1); 3315 3316 *x = *y = 0; 3317 ms->button = ms->obutton; 3318 3319 /* 3320 * Pressure value. 3321 * Interpretation: 3322 * z = 0 No finger contact 3323 * z = 10 Finger hovering near the pad 3324 * z = 30 Very light finger contact 3325 * z = 80 Normal finger contact 3326 * z = 110 Very heavy finger contact 3327 * z = 200 Finger lying flat on pad surface 3328 * z = 255 Maximum reportable Z 3329 */ 3330 *z = pb->ipacket[2]; 3331 3332 /* 3333 * Finger width value 3334 * Interpretation: 3335 * w = 0 Two finger on the pad (capMultiFinger needed) 3336 * w = 1 Three or more fingers (capMultiFinger needed) 3337 * w = 2 Pen (instead of finger) (capPen needed) 3338 * w = 3 Reserved (passthrough?) 3339 * w = 4-7 Finger of normal width (capPalmDetect needed) 3340 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3341 * w = 15 Maximum reportable width (capPalmDetect needed) 3342 */ 3343 /* XXX Is checking capExtended enough? */ 3344 if (sc->synhw.capExtended) 3345 w = ((pb->ipacket[0] & 0x30) >> 2) | 3346 ((pb->ipacket[0] & 0x04) >> 1) | 3347 ((pb->ipacket[3] & 0x04) >> 2); 3348 else { 3349 /* Assume a finger of regular width. */ 3350 w = 4; 3351 } 3352 3353 switch (w) { 3354 case 3: 3355 /* 3356 * Handle packets from the guest device. See: 3357 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3358 */ 3359 if (sc->synhw.capPassthrough || sc->muxport != PSM_NOMUX) { 3360 *x = ((pb->ipacket[1] & 0x10) ? 3361 pb->ipacket[4] - 256 : pb->ipacket[4]); 3362 *y = ((pb->ipacket[1] & 0x20) ? 3363 pb->ipacket[5] - 256 : pb->ipacket[5]); 3364 *z = 0; 3365 3366 guest_buttons = 0; 3367 if (pb->ipacket[1] & 0x01) 3368 guest_buttons |= MOUSE_BUTTON1DOWN; 3369 if (pb->ipacket[1] & 0x04) 3370 guest_buttons |= MOUSE_BUTTON2DOWN; 3371 if (pb->ipacket[1] & 0x02) 3372 guest_buttons |= MOUSE_BUTTON3DOWN; 3373 #ifdef EVDEV_SUPPORT 3374 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3375 evdev_push_rel(sc->evdev_r, REL_X, *x); 3376 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3377 evdev_push_mouse_btn(sc->evdev_r, 3378 guest_buttons | sc->extended_buttons); 3379 evdev_sync(sc->evdev_r); 3380 } 3381 #endif 3382 ms->button = touchpad_buttons | guest_buttons | 3383 sc->extended_buttons; 3384 } 3385 goto SYNAPTICS_END; 3386 3387 case 2: 3388 /* Handle Extended W mode packets */ 3389 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3390 #if PSM_FINGERS > 1 3391 switch (ewcode) { 3392 case 1: 3393 /* Secondary finger */ 3394 if (sc->synhw.capAdvancedGestures) 3395 f[1] = (finger_t) { 3396 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3397 pb->ipacket[1]) << 1, 3398 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3399 pb->ipacket[2]) << 1, 3400 .p = ((pb->ipacket[3] & 0x30) | 3401 (pb->ipacket[5] & 0x0f)) << 1, 3402 .w = PSM_FINGER_DEFAULT_W, 3403 .flags = PSM_FINGER_FUZZY, 3404 }; 3405 else if (sc->synhw.capReportsV) 3406 f[1] = (finger_t) { 3407 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3408 (pb->ipacket[1] & 0xfe)) << 1, 3409 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3410 (pb->ipacket[2] & 0xfe)) << 1, 3411 .p = ((pb->ipacket[3] & 0x30) | 3412 (pb->ipacket[5] & 0x0e)) << 1, 3413 .w = (((pb->ipacket[5] & 0x01) << 2) | 3414 ((pb->ipacket[2] & 0x01) << 1) | 3415 (pb->ipacket[1] & 0x01)) + 8, 3416 .flags = PSM_FINGER_FUZZY, 3417 }; 3418 break; 3419 case 2: 3420 ew_finger_count = pb->ipacket[1] & 0x0f; 3421 default: 3422 break; 3423 } 3424 #endif 3425 goto SYNAPTICS_END; 3426 3427 case 1: 3428 if (sc->synhw.capReportsV && ew_finger_count > 3) { 3429 nfingers = ew_finger_count; 3430 break; 3431 } 3432 /* FALLTHROUGH */ 3433 case 0: 3434 nfingers = w + 2; 3435 break; 3436 3437 default: 3438 nfingers = 1; 3439 } 3440 3441 if (sc->syninfo.touchpad_off) 3442 goto SYNAPTICS_END; 3443 3444 /* Button presses */ 3445 touchpad_buttons = 0; 3446 if (pb->ipacket[0] & 0x01) 3447 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3448 if (pb->ipacket[0] & 0x02) 3449 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3450 3451 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3452 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3453 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3454 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3455 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3456 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3457 !sc->synhw.capClickPad) { 3458 /* Middle Button */ 3459 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3460 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3461 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3462 /* Extended Buttons */ 3463 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3464 if (sc->syninfo.directional_scrolls) { 3465 if (pb->ipacket[4] & 0x01) 3466 extended_buttons |= MOUSE_BUTTON4DOWN; 3467 if (pb->ipacket[5] & 0x01) 3468 extended_buttons |= MOUSE_BUTTON5DOWN; 3469 if (pb->ipacket[4] & 0x02) 3470 extended_buttons |= MOUSE_BUTTON6DOWN; 3471 if (pb->ipacket[5] & 0x02) 3472 extended_buttons |= MOUSE_BUTTON7DOWN; 3473 } else { 3474 if (pb->ipacket[4] & 0x01) 3475 extended_buttons |= MOUSE_BUTTON1DOWN; 3476 if (pb->ipacket[5] & 0x01) 3477 extended_buttons |= MOUSE_BUTTON3DOWN; 3478 if (pb->ipacket[4] & 0x02) 3479 extended_buttons |= MOUSE_BUTTON2DOWN; 3480 sc->extended_buttons = extended_buttons; 3481 } 3482 3483 /* 3484 * Zero out bits used by extended buttons to avoid 3485 * misinterpretation of the data absolute position. 3486 * 3487 * The bits represented by 3488 * 3489 * (nExtendedButtons + 1) >> 1 3490 * 3491 * will be masked out in both bytes. 3492 * The mask for n bits is computed with the formula 3493 * 3494 * (1 << n) - 1 3495 */ 3496 int maskedbits = 0; 3497 int mask = 0; 3498 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3499 mask = (1 << maskedbits) - 1; 3500 #ifdef EVDEV_SUPPORT 3501 int i; 3502 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3503 if (sc->synhw.capPassthrough) { 3504 evdev_push_mouse_btn(sc->evdev_r, 3505 extended_buttons); 3506 evdev_sync(sc->evdev_r); 3507 } 3508 for (i = 0; i < maskedbits; i++) { 3509 evdev_push_key(sc->evdev_a, 3510 BTN_0 + i * 2, 3511 pb->ipacket[4] & (1 << i)); 3512 evdev_push_key(sc->evdev_a, 3513 BTN_0 + i * 2 + 1, 3514 pb->ipacket[5] & (1 << i)); 3515 } 3516 } 3517 #endif 3518 pb->ipacket[4] &= ~(mask); 3519 pb->ipacket[5] &= ~(mask); 3520 } else if (!sc->syninfo.directional_scrolls && 3521 !sc->gesture.in_vscroll) { 3522 /* 3523 * Keep reporting MOUSE DOWN until we get a new packet 3524 * indicating otherwise. 3525 */ 3526 extended_buttons |= sc->extended_buttons; 3527 } 3528 } 3529 3530 if (sc->synhw.capReportsV && nfingers > 1) 3531 f[0] = (finger_t) { 3532 .x = ((pb->ipacket[3] & 0x10) << 8) | 3533 ((pb->ipacket[1] & 0x0f) << 8) | 3534 (pb->ipacket[4] & 0xfd), 3535 .y = ((pb->ipacket[3] & 0x20) << 7) | 3536 ((pb->ipacket[1] & 0xf0) << 4) | 3537 (pb->ipacket[5] & 0xfd), 3538 .p = *z & 0xfe, 3539 .w = (((pb->ipacket[2] & 0x01) << 2) | 3540 (pb->ipacket[5] & 0x02) | 3541 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3542 .flags = PSM_FINGER_FUZZY, 3543 }; 3544 else 3545 f[0] = (finger_t) { 3546 .x = ((pb->ipacket[3] & 0x10) << 8) | 3547 ((pb->ipacket[1] & 0x0f) << 8) | 3548 pb->ipacket[4], 3549 .y = ((pb->ipacket[3] & 0x20) << 7) | 3550 ((pb->ipacket[1] & 0xf0) << 4) | 3551 pb->ipacket[5], 3552 .p = *z, 3553 .w = w, 3554 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3555 }; 3556 3557 /* Ignore hovering and unmeasurable touches */ 3558 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3559 nfingers = 0; 3560 3561 /* Handle ClickPad */ 3562 if (sc->synhw.capClickPad) { 3563 clickpad_pressed = (pb->ipacket[0] ^ pb->ipacket[3]) & 0x01; 3564 if (sc->synhw.forcePad) { 3565 /* 3566 * Forcepads erroneously report button click if there 3567 * are 2 or more fingers on the touchpad breaking 3568 * multifinger gestures. To workaround this start 3569 * reporting a click only after 4 consecutive single 3570 * touch packets has been received. 3571 * Skip these packets in case more contacts appear. 3572 */ 3573 switch (nfingers) { 3574 case 0: 3575 sc->fpcount = 0; 3576 break; 3577 case 1: 3578 if (clickpad_pressed && sc->fpcount < INT_MAX) 3579 ++sc->fpcount; 3580 /* FALLTHROUGH */ 3581 default: 3582 if (!clickpad_pressed) 3583 sc->fpcount = 0; 3584 if (sc->fpcount >= sc->syninfo.window_min) 3585 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3586 } 3587 } else if (clickpad_pressed) 3588 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3589 } 3590 3591 for (id = 0; id < PSM_FINGERS; id++) 3592 if (id >= nfingers) 3593 PSM_FINGER_RESET(f[id]); 3594 3595 #ifdef EVDEV_SUPPORT 3596 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3597 for (id = 0; id < PSM_FINGERS; id++) 3598 if (PSM_FINGER_IS_SET(f[id])) 3599 psm_push_mt_finger(sc, id, &f[id]); 3600 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3601 evdev_push_nfingers(sc->evdev_a, nfingers); 3602 if (nfingers > 0) 3603 psm_push_st_finger(sc, &f[0]); 3604 else 3605 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3606 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3607 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3608 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3609 touchpad_buttons & MOUSE_BUTTON4DOWN); 3610 evdev_push_key(sc->evdev_a, BTN_BACK, 3611 touchpad_buttons & MOUSE_BUTTON5DOWN); 3612 } 3613 evdev_sync(sc->evdev_a); 3614 } 3615 #endif 3616 3617 ms->button = touchpad_buttons; 3618 3619 palm = psmpalmdetect(sc, &f[0], nfingers); 3620 3621 /* Palm detection doesn't terminate the current action. */ 3622 if (!palm) 3623 psmgestures(sc, &f[0], nfingers, ms); 3624 3625 for (id = 0; id < PSM_FINGERS; id++) 3626 psmsmoother(sc, &f[id], id, ms, x, y); 3627 3628 if (palm) { 3629 *x = *y = *z = 0; 3630 ms->button = ms->obutton; 3631 return (0); 3632 } 3633 3634 ms->button |= extended_buttons | guest_buttons; 3635 3636 SYNAPTICS_END: 3637 /* 3638 * Use the extra buttons as a scrollwheel 3639 * 3640 * XXX X.Org uses the Z axis for vertical wheel only, 3641 * whereas moused(8) understands special values to differ 3642 * vertical and horizontal wheels. 3643 * 3644 * xf86-input-mouse needs therefore a small patch to 3645 * understand these special values. Without it, the 3646 * horizontal wheel acts as a vertical wheel in X.Org. 3647 * 3648 * That's why the horizontal wheel is disabled by 3649 * default for now. 3650 */ 3651 if (ms->button & MOUSE_BUTTON4DOWN) 3652 *z = -1; 3653 else if (ms->button & MOUSE_BUTTON5DOWN) 3654 *z = 1; 3655 else if (ms->button & MOUSE_BUTTON6DOWN) 3656 *z = -2; 3657 else if (ms->button & MOUSE_BUTTON7DOWN) 3658 *z = 2; 3659 else 3660 *z = 0; 3661 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3662 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3663 3664 return (0); 3665 } 3666 3667 static int 3668 proc_synaptics_mux(struct psm_softc *sc, packetbuf_t *pb) 3669 { 3670 int butt; 3671 3672 /* 3673 * Convert 3-byte interleaved mixture of Synaptics and generic mouse 3674 * packets into plain 6-byte Synaptics packet protocol. 3675 * While in hidden multiplexing mode KBC does some editing of the 3676 * packet stream. It remembers the button bits from the last packet 3677 * received from each device, and replaces the button bits of every 3678 * packet with the logical OR of all devices’ most recent button bits. 3679 * This button crosstalk should be filtered out as Synaptics and 3680 * generic mouse encode middle button presses in a different way. 3681 */ 3682 switch (pb->ipacket[0] & 0xc0) { 3683 case 0x80: /* First 3 bytes of Synaptics packet */ 3684 bcopy(pb->ipacket, sc->muxsave, 3); 3685 /* Compute middle mouse button supression timeout. */ 3686 sc->muxmidtimeout.tv_sec = 0; 3687 sc->muxmidtimeout.tv_usec = 50000; /* ~2-3 ints */ 3688 timevaladd(&sc->muxmidtimeout, &sc->lastsoftintr); 3689 return (1); 3690 3691 case 0xc0: /* Second 3 bytes of Synaptics packet */ 3692 /* Join two 3-bytes absolute packets */ 3693 bcopy(pb->ipacket, pb->ipacket + 3, 3); 3694 bcopy(sc->muxsave, pb->ipacket, 3); 3695 /* Prefer trackpoint buttons over touchpad's */ 3696 pb->ipacket[0] &= ~(0x08 | sc->muxmsbuttons); 3697 pb->ipacket[3] &= ~(0x08 | sc->muxmsbuttons); 3698 butt = (pb->ipacket[3] & 0x03) << 2 | (pb->ipacket[0] & 0x03); 3699 /* Add hysteresis to remove spurious middle button events */ 3700 if (butt != sc->muxtpbuttons && sc->fpcount < 1) { 3701 pb->ipacket[0] &= 0xfc; 3702 pb->ipacket[0] |= sc->muxtpbuttons & 0x03; 3703 pb->ipacket[3] &= 0xfc; 3704 pb->ipacket[3] |= sc->muxtpbuttons >> 2 & 0x03; 3705 ++sc->fpcount; 3706 } else { 3707 sc->fpcount = 0; 3708 sc->muxtpbuttons = butt; 3709 } 3710 /* Filter out impossible w induced by middle trackpoint btn */ 3711 if (sc->synhw.capExtended && !sc->synhw.capPassthrough && 3712 (pb->ipacket[0] & 0x34) == 0x04 && 3713 (pb->ipacket[3] & 0x04) == 0x04) { 3714 pb->ipacket[0] &= 0xfb; 3715 pb->ipacket[3] &= 0xfb; 3716 } 3717 sc->muxsave[0] &= 0x30; 3718 break; 3719 3720 default: /* Generic mouse (Trackpoint) packet */ 3721 /* Filter out middle button events induced by some w values */ 3722 if (sc->muxmsbuttons & 0x03 || pb->ipacket[0] & 0x03 || 3723 (timevalcmp(&sc->lastsoftintr, &sc->muxmidtimeout, <=) && 3724 (sc->muxsave[0] & 0x30 || sc->muxsave[2] > 8))) 3725 pb->ipacket[0] &= 0xfb; 3726 sc->muxmsbuttons = pb->ipacket[0] & 0x07; 3727 /* Convert to Synaptics pass-through protocol */ 3728 pb->ipacket[4] = pb->ipacket[1]; 3729 pb->ipacket[5] = pb->ipacket[2]; 3730 pb->ipacket[1] = pb->ipacket[0]; 3731 pb->ipacket[2] = 0; 3732 pb->ipacket[0] = 0x84 | (sc->muxtpbuttons & 0x03); 3733 pb->ipacket[3] = 0xc4 | (sc->muxtpbuttons >> 2 & 0x03); 3734 } 3735 3736 VLOG(4, (LOG_DEBUG, "synaptics: %02x %02x %02x %02x %02x %02x\n", 3737 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 3738 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 3739 3740 pb->inputbytes = MOUSE_SYNAPTICS_PACKETSIZE; 3741 return (0); 3742 } 3743 3744 static int 3745 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3746 { 3747 if (!( 3748 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3749 !sc->synhw.capReportsV && nfingers > 1) || 3750 (sc->synhw.capReportsV && nfingers > 2) || 3751 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3752 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3753 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3754 /* 3755 * We consider the packet irrelevant for the current 3756 * action when: 3757 * - the width isn't comprised in: 3758 * [1; max_width] 3759 * - the pressure isn't comprised in: 3760 * [min_pressure; max_pressure] 3761 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3762 */ 3763 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3764 return (1); 3765 } 3766 return (0); 3767 } 3768 3769 static void 3770 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3771 mousestatus_t *ms) 3772 { 3773 smoother_t *smoother; 3774 gesture_t *gest; 3775 finger_t *f; 3776 int y_ok, center_button, center_x, right_button, right_x, i; 3777 3778 f = &fingers[0]; 3779 smoother = &sc->smoother[0]; 3780 gest = &sc->gesture; 3781 3782 /* Find first active finger. */ 3783 if (nfingers > 0) { 3784 for (i = 0; i < PSM_FINGERS; i++) { 3785 if (PSM_FINGER_IS_SET(fingers[i])) { 3786 f = &fingers[i]; 3787 smoother = &sc->smoother[i]; 3788 break; 3789 } 3790 } 3791 } 3792 3793 /* 3794 * Check pressure to detect a real wanted action on the 3795 * touchpad. 3796 */ 3797 if (f->p >= sc->syninfo.min_pressure) { 3798 int x0, y0; 3799 int dxp, dyp; 3800 int start_x, start_y; 3801 int queue_len; 3802 int margin_top, margin_right, margin_bottom, margin_left; 3803 int window_min, window_max; 3804 int vscroll_hor_area, vscroll_ver_area; 3805 int two_finger_scroll; 3806 int max_x, max_y; 3807 int three_finger_drag; 3808 3809 /* Read sysctl. */ 3810 /* XXX Verify values? */ 3811 margin_top = sc->syninfo.margin_top; 3812 margin_right = sc->syninfo.margin_right; 3813 margin_bottom = sc->syninfo.margin_bottom; 3814 margin_left = sc->syninfo.margin_left; 3815 window_min = sc->syninfo.window_min; 3816 window_max = sc->syninfo.window_max; 3817 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3818 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3819 two_finger_scroll = sc->syninfo.two_finger_scroll; 3820 max_x = sc->syninfo.max_x; 3821 max_y = sc->syninfo.max_y; 3822 three_finger_drag = sc->syninfo.three_finger_drag; 3823 /* Read current absolute position. */ 3824 x0 = f->x; 3825 y0 = f->y; 3826 3827 /* 3828 * Limit the coordinates to the specified margins because 3829 * this area isn't very reliable. 3830 */ 3831 if (x0 <= margin_left) 3832 x0 = margin_left; 3833 else if (x0 >= max_x - margin_right) 3834 x0 = max_x - margin_right; 3835 if (y0 <= margin_bottom) 3836 y0 = margin_bottom; 3837 else if (y0 >= max_y - margin_top) 3838 y0 = max_y - margin_top; 3839 3840 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3841 x0, y0, f->p, f->w)); 3842 3843 /* 3844 * If the action is just beginning, init the structure and 3845 * compute tap timeout. 3846 */ 3847 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3848 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3849 3850 /* Initialize queue. */ 3851 gest->window_min = window_min; 3852 3853 /* Reset pressure peak. */ 3854 gest->zmax = 0; 3855 3856 /* Reset fingers count. */ 3857 gest->fingers_nb = 0; 3858 3859 /* Reset virtual scrolling state. */ 3860 gest->in_vscroll = 0; 3861 3862 /* Compute tap timeout. */ 3863 if (tap_enabled != 0) { 3864 gest->taptimeout = (struct timeval) { 3865 .tv_sec = tap_timeout / 1000000, 3866 .tv_usec = tap_timeout % 1000000, 3867 }; 3868 timevaladd( 3869 &gest->taptimeout, &sc->lastsoftintr); 3870 } else 3871 timevalclear(&gest->taptimeout); 3872 3873 sc->flags |= PSM_FLAGS_FINGERDOWN; 3874 3875 /* Smoother has not been reset yet */ 3876 queue_len = 1; 3877 start_x = x0; 3878 start_y = y0; 3879 } else { 3880 queue_len = smoother->queue_len + 1; 3881 start_x = smoother->start_x; 3882 start_y = smoother->start_y; 3883 } 3884 3885 /* Process ClickPad softbuttons */ 3886 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3887 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3888 start_y < sc->syninfo.softbuttons_y : 3889 start_y > max_y + sc->syninfo.softbuttons_y; 3890 3891 center_button = MOUSE_BUTTON2DOWN; 3892 center_x = sc->syninfo.softbutton2_x; 3893 right_button = MOUSE_BUTTON3DOWN; 3894 right_x = sc->syninfo.softbutton3_x; 3895 3896 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3897 center_button = MOUSE_BUTTON3DOWN; 3898 center_x = sc->syninfo.softbutton3_x; 3899 right_button = MOUSE_BUTTON2DOWN; 3900 right_x = sc->syninfo.softbutton2_x; 3901 } 3902 3903 if (right_x > 0 && start_x > right_x && y_ok) 3904 ms->button = (ms->button & 3905 ~MOUSE_BUTTON1DOWN) | right_button; 3906 else if (center_x > 0 && start_x > center_x && y_ok) 3907 ms->button = (ms->button & 3908 ~MOUSE_BUTTON1DOWN) | center_button; 3909 } 3910 3911 /* If in tap-hold or three fingers, add the recorded button. */ 3912 if (gest->in_taphold || (nfingers == 3 && three_finger_drag)) 3913 ms->button |= gest->tap_button; 3914 3915 /* 3916 * For tap, we keep the maximum number of fingers and the 3917 * pressure peak. Also with multiple fingers, we increase 3918 * the minimum window. 3919 */ 3920 if (nfingers > 1) 3921 gest->window_min = window_max; 3922 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3923 gest->zmax = imax(f->p, gest->zmax); 3924 3925 /* Do we have enough packets to consider this a gesture? */ 3926 if (queue_len < gest->window_min) 3927 return; 3928 3929 dyp = -1; 3930 dxp = -1; 3931 3932 /* Is a scrolling action occurring? */ 3933 if (!gest->in_taphold && !ms->button && 3934 (!gest->in_vscroll || two_finger_scroll)) { 3935 /* 3936 * A scrolling action must not conflict with a tap 3937 * action. Here are the conditions to consider a 3938 * scrolling action: 3939 * - the action in a configurable area 3940 * - one of the following: 3941 * . the distance between the last packet and the 3942 * first should be above a configurable minimum 3943 * . tap timed out 3944 */ 3945 dxp = abs(x0 - start_x); 3946 dyp = abs(y0 - start_y); 3947 3948 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3949 dxp >= sc->syninfo.vscroll_min_delta || 3950 dyp >= sc->syninfo.vscroll_min_delta) { 3951 /* 3952 * Handle two finger scrolling. 3953 * Note that we don't rely on fingers_nb 3954 * as that keeps the maximum number of fingers. 3955 */ 3956 if (two_finger_scroll) { 3957 if (nfingers == 2) { 3958 gest->in_vscroll += 3959 dyp ? 2 : 0; 3960 gest->in_vscroll += 3961 dxp ? 1 : 0; 3962 } 3963 } else { 3964 /* Check for horizontal scrolling. */ 3965 if ((vscroll_hor_area > 0 && 3966 start_y <= vscroll_hor_area) || 3967 (vscroll_hor_area < 0 && 3968 start_y >= 3969 max_y + vscroll_hor_area)) 3970 gest->in_vscroll += 2; 3971 3972 /* Check for vertical scrolling. */ 3973 if ((vscroll_ver_area > 0 && 3974 start_x <= vscroll_ver_area) || 3975 (vscroll_ver_area < 0 && 3976 start_x >= 3977 max_x + vscroll_ver_area)) 3978 gest->in_vscroll += 1; 3979 } 3980 3981 /* Avoid conflicts if area overlaps. */ 3982 if (gest->in_vscroll >= 3) 3983 gest->in_vscroll = 3984 (dxp > dyp) ? 2 : 1; 3985 } 3986 } 3987 /* 3988 * Reset two finger scrolling when the number of fingers 3989 * is different from two or any button is pressed. 3990 */ 3991 if (two_finger_scroll && gest->in_vscroll != 0 && 3992 (nfingers != 2 || ms->button)) 3993 gest->in_vscroll = 0; 3994 3995 VLOG(5, (LOG_DEBUG, 3996 "synaptics: virtual scrolling: %s " 3997 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3998 gest->in_vscroll ? "YES" : "NO", 3999 gest->in_vscroll, dxp, dyp, 4000 gest->fingers_nb)); 4001 4002 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4003 /* 4004 * An action is currently taking place but the pressure 4005 * dropped under the minimum, putting an end to it. 4006 */ 4007 int taphold_timeout, dx, dy, tap_max_delta; 4008 4009 dx = abs(smoother->queue[smoother->queue_cursor].x - 4010 smoother->start_x); 4011 dy = abs(smoother->queue[smoother->queue_cursor].y - 4012 smoother->start_y); 4013 4014 /* Max delta is disabled for multi-fingers tap. */ 4015 if (gest->fingers_nb > 1) 4016 tap_max_delta = imax(dx, dy); 4017 else 4018 tap_max_delta = sc->syninfo.tap_max_delta; 4019 4020 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4021 4022 /* Check for tap. */ 4023 VLOG(3, (LOG_DEBUG, 4024 "synaptics: zmax=%d, dx=%d, dy=%d, " 4025 "delta=%d, fingers=%d, queue=%d\n", 4026 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 4027 smoother->queue_len)); 4028 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 4029 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 4030 dx <= tap_max_delta && dy <= tap_max_delta && 4031 smoother->queue_len >= sc->syninfo.tap_min_queue) { 4032 /* 4033 * We have a tap if: 4034 * - the maximum pressure went over tap_threshold 4035 * - the action ended before tap_timeout 4036 * 4037 * To handle tap-hold, we must delay any button push to 4038 * the next action. 4039 */ 4040 if (gest->in_taphold) { 4041 /* 4042 * This is the second and last tap of a 4043 * double tap action, not a tap-hold. 4044 */ 4045 gest->in_taphold = 0; 4046 4047 /* 4048 * For double-tap to work: 4049 * - no button press is emitted (to 4050 * simulate a button release) 4051 * - PSM_FLAGS_FINGERDOWN is set to 4052 * force the next packet to emit a 4053 * button press) 4054 */ 4055 VLOG(2, (LOG_DEBUG, 4056 "synaptics: button RELEASE: %d\n", 4057 gest->tap_button)); 4058 sc->flags |= PSM_FLAGS_FINGERDOWN; 4059 4060 /* Schedule button press on next interrupt */ 4061 sc->idletimeout.tv_sec = psmhz > 1 ? 4062 0 : 1; 4063 sc->idletimeout.tv_usec = psmhz > 1 ? 4064 1000000 / psmhz : 0; 4065 } else { 4066 /* 4067 * This is the first tap: we set the 4068 * tap-hold state and notify the button 4069 * down event. 4070 */ 4071 gest->in_taphold = 1; 4072 taphold_timeout = sc->syninfo.taphold_timeout; 4073 gest->taptimeout.tv_sec = taphold_timeout / 4074 1000000; 4075 gest->taptimeout.tv_usec = taphold_timeout % 4076 1000000; 4077 sc->idletimeout = gest->taptimeout; 4078 timevaladd(&gest->taptimeout, 4079 &sc->lastsoftintr); 4080 4081 switch (gest->fingers_nb) { 4082 case 3: 4083 gest->tap_button = 4084 MOUSE_BUTTON2DOWN; 4085 break; 4086 case 2: 4087 gest->tap_button = 4088 MOUSE_BUTTON3DOWN; 4089 break; 4090 default: 4091 gest->tap_button = 4092 MOUSE_BUTTON1DOWN; 4093 } 4094 VLOG(2, (LOG_DEBUG, 4095 "synaptics: button PRESS: %d\n", 4096 gest->tap_button)); 4097 ms->button |= gest->tap_button; 4098 } 4099 } else { 4100 /* 4101 * Not enough pressure or timeout: reset 4102 * tap-hold state. 4103 */ 4104 if (gest->in_taphold) { 4105 VLOG(2, (LOG_DEBUG, 4106 "synaptics: button RELEASE: %d\n", 4107 gest->tap_button)); 4108 gest->in_taphold = 0; 4109 } else { 4110 VLOG(2, (LOG_DEBUG, 4111 "synaptics: not a tap-hold\n")); 4112 } 4113 } 4114 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 4115 /* 4116 * For a tap-hold to work, the button must remain down at 4117 * least until timeout (where the in_taphold flags will be 4118 * cleared) or during the next action. 4119 */ 4120 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 4121 ms->button |= gest->tap_button; 4122 } else { 4123 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 4124 gest->tap_button)); 4125 gest->in_taphold = 0; 4126 } 4127 } 4128 4129 return; 4130 } 4131 4132 static void 4133 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 4134 mousestatus_t *ms, int *x, int *y) 4135 { 4136 smoother_t *smoother = &sc->smoother[smoother_id]; 4137 gesture_t *gest = &(sc->gesture); 4138 4139 /* 4140 * Check pressure to detect a real wanted action on the 4141 * touchpad. 4142 */ 4143 if (f->p >= sc->syninfo.min_pressure) { 4144 int x0, y0; 4145 int cursor, peer, window; 4146 int dx, dy, dxp, dyp; 4147 int margin_top, margin_right, margin_bottom, margin_left; 4148 int na_top, na_right, na_bottom, na_left; 4149 int window_max; 4150 int multiplicator; 4151 int weight_current, weight_previous, weight_len_squared; 4152 int div_min, div_max, div_len; 4153 int two_finger_scroll; 4154 int max_x, max_y; 4155 int len, weight_prev_x, weight_prev_y; 4156 int div_max_x, div_max_y, div_x, div_y; 4157 int is_fuzzy; 4158 int natural_scroll; 4159 4160 /* Read sysctl. */ 4161 /* XXX Verify values? */ 4162 margin_top = sc->syninfo.margin_top; 4163 margin_right = sc->syninfo.margin_right; 4164 margin_bottom = sc->syninfo.margin_bottom; 4165 margin_left = sc->syninfo.margin_left; 4166 na_top = sc->syninfo.na_top; 4167 na_right = sc->syninfo.na_right; 4168 na_bottom = sc->syninfo.na_bottom; 4169 na_left = sc->syninfo.na_left; 4170 window_max = sc->syninfo.window_max; 4171 multiplicator = sc->syninfo.multiplicator; 4172 weight_current = sc->syninfo.weight_current; 4173 weight_previous = sc->syninfo.weight_previous; 4174 weight_len_squared = sc->syninfo.weight_len_squared; 4175 div_min = sc->syninfo.div_min; 4176 div_max = sc->syninfo.div_max; 4177 div_len = sc->syninfo.div_len; 4178 two_finger_scroll = sc->syninfo.two_finger_scroll; 4179 max_x = sc->syninfo.max_x; 4180 max_y = sc->syninfo.max_y; 4181 natural_scroll = sc->syninfo.natural_scroll; 4182 4183 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 4184 4185 /* Read current absolute position. */ 4186 x0 = f->x; 4187 y0 = f->y; 4188 4189 /* 4190 * Limit the coordinates to the specified margins because 4191 * this area isn't very reliable. 4192 */ 4193 if (x0 <= margin_left) 4194 x0 = margin_left; 4195 else if (x0 >= max_x - margin_right) 4196 x0 = max_x - margin_right; 4197 if (y0 <= margin_bottom) 4198 y0 = margin_bottom; 4199 else if (y0 >= max_y - margin_top) 4200 y0 = max_y - margin_top; 4201 4202 /* If the action is just beginning, init the structure. */ 4203 if (smoother->active == 0) { 4204 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4205 4206 /* Store the first point of this action. */ 4207 smoother->start_x = x0; 4208 smoother->start_y = y0; 4209 dx = dy = 0; 4210 4211 /* Initialize queue. */ 4212 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4213 smoother->queue_len = 0; 4214 4215 /* Reset average. */ 4216 smoother->avg_dx = 0; 4217 smoother->avg_dy = 0; 4218 4219 /* Reset squelch. */ 4220 smoother->squelch_x = 0; 4221 smoother->squelch_y = 0; 4222 4223 /* Activate queue */ 4224 smoother->active = 1; 4225 } else { 4226 /* Calculate the current delta. */ 4227 cursor = smoother->queue_cursor; 4228 dx = x0 - smoother->queue[cursor].x; 4229 dy = y0 - smoother->queue[cursor].y; 4230 } 4231 4232 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4233 smoother_id, x0, y0, f->p, f->w)); 4234 4235 /* Queue this new packet. */ 4236 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4237 smoother->queue[cursor].x = x0; 4238 smoother->queue[cursor].y = y0; 4239 smoother->queue_cursor = cursor; 4240 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4241 smoother->queue_len++; 4242 VLOG(5, (LOG_DEBUG, 4243 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4244 smoother_id, cursor, x0, y0, dx, dy)); 4245 4246 /* Do we have enough packets to consider this a movement? */ 4247 if (smoother->queue_len < gest->window_min) 4248 return; 4249 4250 weight_prev_x = weight_prev_y = weight_previous; 4251 div_max_x = div_max_y = div_max; 4252 4253 if (gest->in_vscroll) { 4254 /* Dividers are different with virtual scrolling. */ 4255 div_min = sc->syninfo.vscroll_div_min; 4256 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4257 } else { 4258 /* 4259 * There's a lot of noise in coordinates when 4260 * the finger is on the touchpad's borders. When 4261 * using this area, we apply a special weight and 4262 * div. 4263 */ 4264 if (x0 <= na_left || x0 >= max_x - na_right) { 4265 weight_prev_x = sc->syninfo.weight_previous_na; 4266 div_max_x = sc->syninfo.div_max_na; 4267 } 4268 4269 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4270 weight_prev_y = sc->syninfo.weight_previous_na; 4271 div_max_y = sc->syninfo.div_max_na; 4272 } 4273 } 4274 4275 /* 4276 * Calculate weights for the average operands and 4277 * the divisor. Both depend on the distance between 4278 * the current packet and a previous one (based on the 4279 * window width). 4280 */ 4281 window = imin(smoother->queue_len, window_max); 4282 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4283 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4284 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4285 len = (dxp * dxp) + (dyp * dyp); 4286 weight_prev_x = imin(weight_prev_x, 4287 weight_len_squared * weight_prev_x / len); 4288 weight_prev_y = imin(weight_prev_y, 4289 weight_len_squared * weight_prev_y / len); 4290 4291 len = (dxp + dyp) / 2; 4292 div_x = div_len * div_max_x / len; 4293 div_x = imin(div_max_x, div_x); 4294 div_x = imax(div_min, div_x); 4295 div_y = div_len * div_max_y / len; 4296 div_y = imin(div_max_y, div_y); 4297 div_y = imax(div_min, div_y); 4298 4299 VLOG(3, (LOG_DEBUG, 4300 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4301 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4302 div_x, div_y)); 4303 4304 /* Compute averages. */ 4305 smoother->avg_dx = 4306 (weight_current * dx * multiplicator + 4307 weight_prev_x * smoother->avg_dx) / 4308 (weight_current + weight_prev_x); 4309 4310 smoother->avg_dy = 4311 (weight_current * dy * multiplicator + 4312 weight_prev_y * smoother->avg_dy) / 4313 (weight_current + weight_prev_y); 4314 4315 VLOG(5, (LOG_DEBUG, 4316 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4317 smoother->avg_dx / multiplicator, 4318 smoother->avg_dy / multiplicator)); 4319 4320 /* Use these averages to calculate x & y. */ 4321 smoother->squelch_x += smoother->avg_dx; 4322 dxp = smoother->squelch_x / (div_x * multiplicator); 4323 smoother->squelch_x = smoother->squelch_x % 4324 (div_x * multiplicator); 4325 4326 smoother->squelch_y += smoother->avg_dy; 4327 dyp = smoother->squelch_y / (div_y * multiplicator); 4328 smoother->squelch_y = smoother->squelch_y % 4329 (div_y * multiplicator); 4330 4331 switch(gest->in_vscroll) { 4332 case 0: /* Pointer movement. */ 4333 /* On real<->fuzzy finger switch the x/y pos jumps */ 4334 if (is_fuzzy == smoother->is_fuzzy) { 4335 *x += dxp; 4336 *y += dyp; 4337 } 4338 4339 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4340 smoother_id, dx, dy, dxp, dyp)); 4341 break; 4342 case 1: /* Vertical scrolling. */ 4343 if (dyp != 0) { 4344 if (two_finger_scroll && natural_scroll) 4345 ms->button |= (dyp > 0) ? 4346 MOUSE_BUTTON5DOWN : MOUSE_BUTTON4DOWN; 4347 else 4348 ms->button |= (dyp > 0) ? 4349 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4350 } 4351 break; 4352 case 2: /* Horizontal scrolling. */ 4353 if (dxp != 0) { 4354 if (two_finger_scroll && natural_scroll) 4355 ms->button |= (dxp > 0) ? 4356 MOUSE_BUTTON6DOWN : MOUSE_BUTTON7DOWN; 4357 else 4358 ms->button |= (dxp > 0) ? 4359 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4360 } 4361 break; 4362 } 4363 4364 smoother->is_fuzzy = is_fuzzy; 4365 4366 } else { 4367 /* 4368 * Deactivate queue. Note: We can not just reset queue here 4369 * as these values are still used by gesture processor. 4370 * So postpone reset till next touch. 4371 */ 4372 smoother->active = 0; 4373 } 4374 } 4375 4376 static int 4377 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4378 int *x, int *y, int *z) 4379 { 4380 static int touchpad_button, trackpoint_button; 4381 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4382 int pkt, id, scale, i, nfingers, mask, palm; 4383 4384 if (!elantech_support) 4385 return (0); 4386 4387 /* Determine packet format and do a sanity check for out of sync packets. */ 4388 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4389 pkt = ELANTECH_PKT_NOP; 4390 else if (sc->elanhw.hastrackpoint && ELANTECH_PKT_IS_TRACKPOINT(pb)) 4391 pkt = ELANTECH_PKT_TRACKPOINT; 4392 else 4393 switch (sc->elanhw.hwversion) { 4394 case 2: 4395 if (!ELANTECH_PKT_IS_V2(pb)) 4396 return (-1); 4397 4398 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4399 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4400 break; 4401 case 3: 4402 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4403 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4404 return (-1); 4405 4406 pkt = ELANTECH_PKT_V3; 4407 break; 4408 case 4: 4409 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4410 return (-1); 4411 4412 switch (pb->ipacket[3] & 0x03) { 4413 case 0x00: 4414 pkt = ELANTECH_PKT_V4_STATUS; 4415 break; 4416 case 0x01: 4417 pkt = ELANTECH_PKT_V4_HEAD; 4418 break; 4419 case 0x02: 4420 pkt = ELANTECH_PKT_V4_MOTION; 4421 break; 4422 default: 4423 return (-1); 4424 } 4425 break; 4426 default: 4427 return (-1); 4428 } 4429 4430 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4431 4432 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4433 PSM_FINGER_RESET(f[id]); 4434 4435 *x = *y = *z = 0; 4436 ms->button = ms->obutton; 4437 4438 if (sc->syninfo.touchpad_off && pkt != ELANTECH_PKT_TRACKPOINT) 4439 return (0); 4440 4441 /* Common legend 4442 * L: Left mouse button pressed 4443 * R: Right mouse button pressed 4444 * N: number of fingers on touchpad 4445 * X: absolute x value (horizontal) 4446 * Y: absolute y value (vertical) 4447 * W; width of the finger touch 4448 * P: pressure 4449 */ 4450 switch (pkt) { 4451 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4452 /* 7 6 5 4 3 2 1 0 (LSB) 4453 * ------------------------------------------- 4454 * ipacket[0]: N1 N0 W3 W2 . . R L 4455 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4456 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4457 * ipacket[3]: N4 VF W1 W0 . . . B2 4458 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4459 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4460 * ------------------------------------------- 4461 * N4: set if more than 3 fingers (only in 3 fingers mode) 4462 * VF: a kind of flag? (only on EF123, 0 when finger 4463 * is over one of the buttons, 1 otherwise) 4464 * B2: (on EF113 only, 0 otherwise), one button pressed 4465 * P & W is not reported on EF113 touchpads 4466 */ 4467 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4468 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4469 nfingers = 4; 4470 4471 if (nfingers == 0) { 4472 mask = (1 << nfingers) - 1; /* = 0x00 */ 4473 break; 4474 } 4475 4476 /* Map 3-rd and 4-th fingers to first finger */ 4477 mask = (1 << 1) - 1; /* = 0x01 */ 4478 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4479 if (sc->elanhw.haspressure) { 4480 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4481 ((pb->ipacket[3] & 0x30) >> 4); 4482 } else { 4483 f[0].p = PSM_FINGER_DEFAULT_P; 4484 f[0].w = PSM_FINGER_DEFAULT_W; 4485 } 4486 4487 /* 4488 * HW v2 dont report exact finger positions when 3 or more 4489 * fingers are on touchpad. 4490 */ 4491 if (nfingers > 2) 4492 f[0].flags = PSM_FINGER_FUZZY; 4493 4494 break; 4495 4496 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4497 /* 7 6 5 4 3 2 1 0 (LSB) 4498 * ------------------------------------------- 4499 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4500 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4501 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4502 * ipacket[3]: . . BY8 BX8 . . . . 4503 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4504 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4505 * ------------------------------------------- 4506 * AX: lower-left finger absolute x value 4507 * AY: lower-left finger absolute y value 4508 * BX: upper-right finger absolute x value 4509 * BY: upper-right finger absolute y value 4510 */ 4511 nfingers = 2; 4512 mask = (1 << nfingers) - 1; 4513 4514 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4515 f[id] = (finger_t) { 4516 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4517 pb->ipacket[id * 3 + 1]) << 2, 4518 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4519 pb->ipacket[id * 3 + 2]) << 2, 4520 .p = PSM_FINGER_DEFAULT_P, 4521 .w = PSM_FINGER_DEFAULT_W, 4522 /* HW ver.2 sends bounding box */ 4523 .flags = PSM_FINGER_FUZZY 4524 }; 4525 break; 4526 4527 case ELANTECH_PKT_V3: /* HW Version 3 */ 4528 /* 7 6 5 4 3 2 1 0 (LSB) 4529 * ------------------------------------------- 4530 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4531 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4532 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4533 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4534 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4535 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4536 * ------------------------------------------- 4537 */ 4538 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4539 /* Map 3-rd finger to first finger */ 4540 id = nfingers > 2 ? 0 : nfingers - 1; 4541 mask = (1 << (id + 1)) - 1; 4542 4543 if (nfingers == 0) 4544 break; 4545 4546 fn = ELANTECH_FINGER_SET_XYP(pb); 4547 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4548 ((pb->ipacket[3] & 0x30) >> 4); 4549 4550 /* 4551 * HW v3 dont report exact finger positions when 3 or more 4552 * fingers are on touchpad. 4553 */ 4554 if (nfingers > 1) 4555 fn.flags = PSM_FINGER_FUZZY; 4556 4557 if (nfingers == 2) { 4558 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4559 sc->elanaction.fingers[0] = fn; 4560 return (0); 4561 } else 4562 f[0] = sc->elanaction.fingers[0]; 4563 } 4564 f[id] = fn; 4565 break; 4566 4567 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4568 /* 7 6 5 4 3 2 1 0 (LSB) 4569 * ------------------------------------------- 4570 * ipacket[0]: . . . . 0 1 R L 4571 * ipacket[1]: . . . F4 F3 F2 F1 F0 4572 * ipacket[2]: . . . . . . . . 4573 * ipacket[3]: . . . 1 0 0 0 0 4574 * ipacket[4]: PL . . . . . . . 4575 * ipacket[5]: . . . . . . . . 4576 * ------------------------------------------- 4577 * Fn: finger n is on touchpad 4578 * PL: palm 4579 * HV ver4 sends a status packet to indicate that the numbers 4580 * or identities of the fingers has been changed 4581 */ 4582 4583 mask = pb->ipacket[1] & 0x1f; 4584 nfingers = bitcount(mask); 4585 4586 if (sc->elanaction.mask_v4wait != 0) 4587 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4588 " when not all previous head packets received\n")); 4589 4590 /* Bitmap of fingers to receive before gesture processing */ 4591 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4592 4593 /* Skip "new finger is on touchpad" packets */ 4594 if (sc->elanaction.mask_v4wait) { 4595 sc->elanaction.mask = mask; 4596 return (0); 4597 } 4598 4599 break; 4600 4601 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4602 /* 7 6 5 4 3 2 1 0 (LSB) 4603 * ------------------------------------------- 4604 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4605 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4606 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4607 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4608 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4609 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4610 * ------------------------------------------- 4611 * ID: finger id 4612 * HW ver 4 sends head packets in two cases: 4613 * 1. One finger touch and movement. 4614 * 2. Next after status packet to tell new finger positions. 4615 */ 4616 mask = sc->elanaction.mask; 4617 nfingers = bitcount(mask); 4618 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4619 fn = ELANTECH_FINGER_SET_XYP(pb); 4620 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4621 4622 if (id < 0) 4623 return (0); 4624 4625 /* Packet is finger position update. Report it */ 4626 if (sc->elanaction.mask_v4wait == 0) { 4627 if (id < ELANTECH_MAX_FINGERS) 4628 f[id] = fn; 4629 break; 4630 } 4631 4632 /* Remove finger from waiting bitmap and store into context */ 4633 sc->elanaction.mask_v4wait &= ~(1 << id); 4634 if (id < ELANTECH_MAX_FINGERS) 4635 sc->elanaction.fingers[id] = fn; 4636 4637 /* Wait for other fingers if needed */ 4638 if (sc->elanaction.mask_v4wait != 0) 4639 return (0); 4640 4641 /* All new fingers are received. Report them from context */ 4642 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4643 if (sc->elanaction.mask & (1 << id)) 4644 f[id] = sc->elanaction.fingers[id]; 4645 4646 break; 4647 4648 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4649 /* 7 6 5 4 3 2 1 0 (LSB) 4650 * ------------------------------------------- 4651 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4652 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4653 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4654 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4655 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4656 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4657 * ------------------------------------------- 4658 * OF: delta overflows (> 127 or < -128), in this case 4659 * firmware sends us (delta x / 5) and (delta y / 5) 4660 * ID: finger id 4661 * DX: delta x (two's complement) 4662 * XY: delta y (two's complement) 4663 * byte 0 ~ 2 for one finger 4664 * byte 3 ~ 5 for another finger 4665 */ 4666 mask = sc->elanaction.mask; 4667 nfingers = bitcount(mask); 4668 4669 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4670 for (i = 0; i <= 3; i += 3) { 4671 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4672 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4673 continue; 4674 4675 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4676 f[id] = sc->elanaction.fingers[id]; 4677 f[id].x += imax(-f[id].x, 4678 (signed char)pb->ipacket[i+1] * scale); 4679 f[id].y += imax(-f[id].y, 4680 (signed char)pb->ipacket[i+2] * scale); 4681 } else { 4682 VLOG(3, (LOG_DEBUG, "elantech: " 4683 "HW v4 motion packet skipped\n")); 4684 } 4685 } 4686 4687 break; 4688 4689 case ELANTECH_PKT_TRACKPOINT: 4690 /* 7 6 5 4 3 2 1 0 (LSB) 4691 * ------------------------------------------- 4692 * ipacket[0]: 0 0 SY SX 0 M R L 4693 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4694 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4695 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4696 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4697 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4698 * ------------------------------------------- 4699 * X and Y are written in two's complement spread 4700 * over 9 bits with SX/SY the relative top bit and 4701 * X7..X0 and Y7..Y0 the lower bits. 4702 */ 4703 if (!(pb->ipacket[0] & 0xC8) && !(pb->ipacket[1] & 0x7F) && 4704 !(pb->ipacket[2] & 0x7F) && !(pb->ipacket[3] & 0xC9) && 4705 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[1] & 0x80) && 4706 !(pb->ipacket[0] & 0x10) != !(pb->ipacket[3] & 0x10) && 4707 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[2] & 0x80) && 4708 !(pb->ipacket[0] & 0x20) != !(pb->ipacket[3] & 0x20)) { 4709 *x = (pb->ipacket[0] & MOUSE_PS2_XNEG) ? 4710 pb->ipacket[4] - 256 : pb->ipacket[4]; 4711 *y = (pb->ipacket[0] & MOUSE_PS2_YNEG) ? 4712 pb->ipacket[5] - 256 : pb->ipacket[5]; 4713 4714 trackpoint_button = 4715 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4716 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0) | 4717 ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); 4718 #ifdef EVDEV_SUPPORT 4719 evdev_push_rel(sc->evdev_r, REL_X, *x); 4720 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 4721 evdev_push_mouse_btn(sc->evdev_r, trackpoint_button); 4722 evdev_sync(sc->evdev_r); 4723 #endif 4724 ms->button = touchpad_button | trackpoint_button; 4725 } else 4726 VLOG(3, (LOG_DEBUG, "elantech: " 4727 "unexpected trackpoint packet skipped\n")); 4728 return (0); 4729 4730 case ELANTECH_PKT_NOP: 4731 return (0); 4732 4733 default: 4734 return (-1); 4735 } 4736 4737 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4738 if (PSM_FINGER_IS_SET(f[id])) 4739 VLOG(2, (LOG_DEBUG, "elantech: " 4740 "finger %d: down [%d, %d], %d, %d, %d\n", id + 1, 4741 f[id].x, f[id].y, f[id].p, f[id].w, f[id].flags)); 4742 4743 /* Touchpad button presses */ 4744 if (sc->elanhw.isclickpad) { 4745 touchpad_button = 4746 ((pb->ipacket[0] & 0x03) ? MOUSE_BUTTON1DOWN : 0); 4747 } else { 4748 touchpad_button = 4749 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4750 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); 4751 } 4752 4753 #ifdef EVDEV_SUPPORT 4754 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 4755 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4756 if (PSM_FINGER_IS_SET(f[id])) { 4757 psm_push_mt_finger(sc, id, &f[id]); 4758 /* Convert touch width to surface units */ 4759 evdev_push_abs(sc->evdev_a, ABS_MT_TOUCH_MAJOR, 4760 f[id].w * sc->elanhw.dptracex); 4761 } 4762 } 4763 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 4764 evdev_push_nfingers(sc->evdev_a, nfingers); 4765 if (nfingers > 0) { 4766 if (PSM_FINGER_IS_SET(f[0])) 4767 psm_push_st_finger(sc, &f[0]); 4768 } else 4769 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 4770 evdev_push_mouse_btn(sc->evdev_a, touchpad_button); 4771 evdev_sync(sc->evdev_a); 4772 } 4773 #endif 4774 4775 ms->button = touchpad_button | trackpoint_button; 4776 4777 /* Palm detection doesn't terminate the current action. */ 4778 palm = psmpalmdetect(sc, &f[0], nfingers); 4779 4780 /* Send finger 1 position to gesture processor */ 4781 if ((PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) || 4782 nfingers == 0) && !palm) 4783 psmgestures(sc, &f[0], imin(nfingers, 3), ms); 4784 4785 /* Send fingers positions to movement smoothers */ 4786 for (id = 0; id < PSM_FINGERS; id++) 4787 if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id))) 4788 psmsmoother(sc, &f[id], id, ms, x, y); 4789 4790 /* Store current finger positions in action context */ 4791 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4792 if (PSM_FINGER_IS_SET(f[id])) 4793 sc->elanaction.fingers[id] = f[id]; 4794 if ((sc->elanaction.mask & (1 << id)) && !(mask & (1 << id))) 4795 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 4796 } 4797 sc->elanaction.mask = mask; 4798 4799 if (palm) { 4800 *x = *y = *z = 0; 4801 ms->button = ms->obutton; 4802 return (0); 4803 } 4804 4805 /* Use the extra buttons as a scrollwheel */ 4806 if (ms->button & MOUSE_BUTTON4DOWN) 4807 *z = -1; 4808 else if (ms->button & MOUSE_BUTTON5DOWN) 4809 *z = 1; 4810 else if (ms->button & MOUSE_BUTTON6DOWN) 4811 *z = -2; 4812 else if (ms->button & MOUSE_BUTTON7DOWN) 4813 *z = 2; 4814 else 4815 *z = 0; 4816 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 4817 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 4818 4819 return (0); 4820 } 4821 4822 static void 4823 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4824 int *x, int *y, int *z) 4825 { 4826 static int butmap_versapad[8] = { 4827 0, 4828 MOUSE_BUTTON3DOWN, 4829 0, 4830 MOUSE_BUTTON3DOWN, 4831 MOUSE_BUTTON1DOWN, 4832 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4833 MOUSE_BUTTON1DOWN, 4834 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 4835 }; 4836 int c, x0, y0; 4837 4838 /* VersaPad PS/2 absolute mode message format 4839 * 4840 * [packet1] 7 6 5 4 3 2 1 0(LSB) 4841 * ipacket[0]: 1 1 0 A 1 L T R 4842 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 4843 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 4844 * ipacket[3]: 1 1 1 A 1 L T R 4845 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 4846 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 4847 * 4848 * [note] 4849 * R: right physical mouse button (1=on) 4850 * T: touch pad virtual button (1=tapping) 4851 * L: left physical mouse button (1=on) 4852 * A: position data is valid (1=valid) 4853 * H: horizontal data (12bit signed integer. H11 is sign bit.) 4854 * V: vertical data (12bit signed integer. V11 is sign bit.) 4855 * P: pressure data 4856 * 4857 * Tapping is mapped to MOUSE_BUTTON4. 4858 */ 4859 c = pb->ipacket[0]; 4860 *x = *y = 0; 4861 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 4862 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 4863 if (c & MOUSE_PS2VERSA_IN_USE) { 4864 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 4865 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 4866 if (x0 & 0x800) 4867 x0 -= 0x1000; 4868 if (y0 & 0x800) 4869 y0 -= 0x1000; 4870 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4871 *x = sc->xold - x0; 4872 *y = y0 - sc->yold; 4873 if (*x < 0) /* XXX */ 4874 ++*x; 4875 else if (*x) 4876 --*x; 4877 if (*y < 0) 4878 ++*y; 4879 else if (*y) 4880 --*y; 4881 } else 4882 sc->flags |= PSM_FLAGS_FINGERDOWN; 4883 sc->xold = x0; 4884 sc->yold = y0; 4885 } else 4886 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4887 } 4888 4889 static void 4890 psmsoftintridle(void *arg) 4891 { 4892 struct psm_softc *sc = arg; 4893 packetbuf_t *pb; 4894 4895 /* Invoke soft handler only when pqueue is empty. Otherwise it will be 4896 * invoked from psmintr soon with pqueue filled with real data */ 4897 if (sc->pqueue_start == sc->pqueue_end && 4898 sc->idlepacket.inputbytes > 0) { 4899 /* Grow circular queue backwards to avoid race with psmintr */ 4900 if (--sc->pqueue_start < 0) 4901 sc->pqueue_start = PSM_PACKETQUEUE - 1; 4902 4903 pb = &sc->pqueue[sc->pqueue_start]; 4904 memcpy(pb, &sc->idlepacket, sizeof(packetbuf_t)); 4905 VLOG(4, (LOG_DEBUG, 4906 "psmsoftintridle: %02x %02x %02x %02x %02x %02x\n", 4907 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 4908 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 4909 4910 psmsoftintr(arg); 4911 } 4912 } 4913 4914 static void 4915 psmsoftintr(void *arg) 4916 { 4917 /* 4918 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 4919 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 4920 */ 4921 static int butmap[8] = { 4922 0, 4923 MOUSE_BUTTON1DOWN, 4924 MOUSE_BUTTON3DOWN, 4925 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4926 MOUSE_BUTTON2DOWN, 4927 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 4928 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 4929 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 4930 }; 4931 struct psm_softc *sc = arg; 4932 mousestatus_t ms; 4933 packetbuf_t *pb; 4934 int x, y, z, c, l, s; 4935 4936 getmicrouptime(&sc->lastsoftintr); 4937 4938 s = spltty(); 4939 4940 do { 4941 pb = &sc->pqueue[sc->pqueue_start]; 4942 4943 if (sc->mode.level == PSM_LEVEL_NATIVE) 4944 goto next_native; 4945 4946 c = pb->ipacket[0]; 4947 /* 4948 * A kludge for Kensington device! 4949 * The MSB of the horizontal count appears to be stored in 4950 * a strange place. 4951 */ 4952 if (sc->hw.model == MOUSE_MODEL_THINK) 4953 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 4954 4955 /* ignore the overflow bits... */ 4956 x = (c & MOUSE_PS2_XNEG) ? 4957 pb->ipacket[1] - 256 : pb->ipacket[1]; 4958 y = (c & MOUSE_PS2_YNEG) ? 4959 pb->ipacket[2] - 256 : pb->ipacket[2]; 4960 z = 0; 4961 ms.obutton = sc->button; /* previous button state */ 4962 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 4963 /* `tapping' action */ 4964 if (sc->config & PSM_CONFIG_FORCETAP) 4965 ms.button |= ((c & MOUSE_PS2_TAP)) ? 4966 0 : MOUSE_BUTTON4DOWN; 4967 timevalclear(&sc->idletimeout); 4968 sc->idlepacket.inputbytes = 0; 4969 4970 switch (sc->hw.model) { 4971 case MOUSE_MODEL_EXPLORER: 4972 /* 4973 * b7 b6 b5 b4 b3 b2 b1 b0 4974 * byte 1: oy ox sy sx 1 M R L 4975 * byte 2: x x x x x x x x 4976 * byte 3: y y y y y y y y 4977 * byte 4: * * S2 S1 s d2 d1 d0 4978 * 4979 * L, M, R, S1, S2: left, middle, right and side buttons 4980 * s: wheel data sign bit 4981 * d2-d0: wheel data 4982 */ 4983 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4984 (pb->ipacket[3] & 0x0f) - 16 : 4985 (pb->ipacket[3] & 0x0f); 4986 ms.button |= 4987 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4988 MOUSE_BUTTON4DOWN : 0; 4989 ms.button |= 4990 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 4991 MOUSE_BUTTON5DOWN : 0; 4992 break; 4993 4994 case MOUSE_MODEL_INTELLI: 4995 case MOUSE_MODEL_NET: 4996 /* wheel data is in the fourth byte */ 4997 z = (char)pb->ipacket[3]; 4998 /* 4999 * XXX some mice may send 7 when there is no Z movement? */ 5000 if ((z >= 7) || (z <= -7)) 5001 z = 0; 5002 /* some compatible mice have additional buttons */ 5003 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 5004 MOUSE_BUTTON4DOWN : 0; 5005 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 5006 MOUSE_BUTTON5DOWN : 0; 5007 break; 5008 5009 case MOUSE_MODEL_MOUSEMANPLUS: 5010 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 5011 break; 5012 5013 case MOUSE_MODEL_GLIDEPOINT: 5014 /* `tapping' action */ 5015 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 5016 MOUSE_BUTTON4DOWN; 5017 break; 5018 5019 case MOUSE_MODEL_NETSCROLL: 5020 /* 5021 * three additional bytes encode buttons and 5022 * wheel events 5023 */ 5024 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 5025 MOUSE_BUTTON4DOWN : 0; 5026 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 5027 MOUSE_BUTTON5DOWN : 0; 5028 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 5029 pb->ipacket[4] - 256 : pb->ipacket[4]; 5030 break; 5031 5032 case MOUSE_MODEL_THINK: 5033 /* the fourth button state in the first byte */ 5034 ms.button |= (c & MOUSE_PS2_TAP) ? 5035 MOUSE_BUTTON4DOWN : 0; 5036 break; 5037 5038 case MOUSE_MODEL_VERSAPAD: 5039 proc_versapad(sc, pb, &ms, &x, &y, &z); 5040 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 5041 ((y < 0) ? MOUSE_PS2_YNEG : 0); 5042 break; 5043 5044 case MOUSE_MODEL_4D: 5045 /* 5046 * b7 b6 b5 b4 b3 b2 b1 b0 5047 * byte 1: s2 d2 s1 d1 1 M R L 5048 * byte 2: sx x x x x x x x 5049 * byte 3: sy y y y y y y y 5050 * 5051 * s1: wheel 1 direction 5052 * d1: wheel 1 data 5053 * s2: wheel 2 direction 5054 * d2: wheel 2 data 5055 */ 5056 x = (pb->ipacket[1] & 0x80) ? 5057 pb->ipacket[1] - 256 : pb->ipacket[1]; 5058 y = (pb->ipacket[2] & 0x80) ? 5059 pb->ipacket[2] - 256 : pb->ipacket[2]; 5060 switch (c & MOUSE_4D_WHEELBITS) { 5061 case 0x10: 5062 z = 1; 5063 break; 5064 case 0x30: 5065 z = -1; 5066 break; 5067 case 0x40: /* XXX 2nd wheel turning right */ 5068 z = 2; 5069 break; 5070 case 0xc0: /* XXX 2nd wheel turning left */ 5071 z = -2; 5072 break; 5073 } 5074 break; 5075 5076 case MOUSE_MODEL_4DPLUS: 5077 if ((x < 16 - 256) && (y < 16 - 256)) { 5078 /* 5079 * b7 b6 b5 b4 b3 b2 b1 b0 5080 * byte 1: 0 0 1 1 1 M R L 5081 * byte 2: 0 0 0 0 1 0 0 0 5082 * byte 3: 0 0 0 0 S s d1 d0 5083 * 5084 * L, M, R, S: left, middle, right, 5085 * and side buttons 5086 * s: wheel data sign bit 5087 * d1-d0: wheel data 5088 */ 5089 x = y = 0; 5090 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 5091 ms.button |= MOUSE_BUTTON4DOWN; 5092 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 5093 ((pb->ipacket[2] & 0x07) - 8) : 5094 (pb->ipacket[2] & 0x07) ; 5095 } else { 5096 /* preserve previous button states */ 5097 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 5098 } 5099 break; 5100 5101 case MOUSE_MODEL_SYNAPTICS: 5102 if (pb->inputbytes == MOUSE_PS2_PACKETSIZE) 5103 if (proc_synaptics_mux(sc, pb)) 5104 goto next; 5105 5106 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) { 5107 VLOG(3, (LOG_DEBUG, "synaptics: " 5108 "packet rejected\n")); 5109 goto next; 5110 } 5111 break; 5112 5113 case MOUSE_MODEL_ELANTECH: 5114 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) { 5115 VLOG(3, (LOG_DEBUG, "elantech: " 5116 "packet rejected\n")); 5117 goto next; 5118 } 5119 break; 5120 5121 case MOUSE_MODEL_TRACKPOINT: 5122 case MOUSE_MODEL_GENERIC: 5123 default: 5124 break; 5125 } 5126 5127 /* Store last packet for reinjection if it has not been set already */ 5128 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 5129 sc->idlepacket = *pb; 5130 5131 #ifdef EVDEV_SUPPORT 5132 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 5133 sc->hw.model != MOUSE_MODEL_ELANTECH && 5134 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5135 evdev_push_rel(sc->evdev_r, REL_X, x); 5136 evdev_push_rel(sc->evdev_r, REL_Y, -y); 5137 5138 switch (sc->hw.model) { 5139 case MOUSE_MODEL_EXPLORER: 5140 case MOUSE_MODEL_INTELLI: 5141 case MOUSE_MODEL_NET: 5142 case MOUSE_MODEL_NETSCROLL: 5143 case MOUSE_MODEL_4DPLUS: 5144 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5145 break; 5146 case MOUSE_MODEL_MOUSEMANPLUS: 5147 case MOUSE_MODEL_4D: 5148 switch (z) { 5149 case 1: 5150 case -1: 5151 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 5152 break; 5153 case 2: 5154 case -2: 5155 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 5156 break; 5157 } 5158 break; 5159 } 5160 5161 evdev_push_mouse_btn(sc->evdev_r, ms.button); 5162 evdev_sync(sc->evdev_r); 5163 } 5164 5165 if ((sc->evdev_a != NULL && evdev_is_grabbed(sc->evdev_a)) || 5166 (sc->evdev_r != NULL && evdev_is_grabbed(sc->evdev_r))) 5167 goto next; 5168 #endif 5169 5170 /* scale values */ 5171 if (sc->mode.accelfactor >= 1) { 5172 if (x != 0) { 5173 x = x * x / sc->mode.accelfactor; 5174 if (x == 0) 5175 x = 1; 5176 if (c & MOUSE_PS2_XNEG) 5177 x = -x; 5178 } 5179 if (y != 0) { 5180 y = y * y / sc->mode.accelfactor; 5181 if (y == 0) 5182 y = 1; 5183 if (c & MOUSE_PS2_YNEG) 5184 y = -y; 5185 } 5186 } 5187 5188 ms.dx = x; 5189 ms.dy = y; 5190 ms.dz = z; 5191 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 5192 (ms.obutton ^ ms.button); 5193 5194 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 5195 5196 sc->status.flags |= ms.flags; 5197 sc->status.dx += ms.dx; 5198 sc->status.dy += ms.dy; 5199 sc->status.dz += ms.dz; 5200 sc->status.button = ms.button; 5201 sc->button = ms.button; 5202 5203 next_native: 5204 sc->watchdog = FALSE; 5205 5206 /* queue data */ 5207 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 5208 l = imin(pb->inputbytes, 5209 sizeof(sc->queue.buf) - sc->queue.tail); 5210 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 5211 if (pb->inputbytes > l) 5212 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 5213 pb->inputbytes - l); 5214 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 5215 sizeof(sc->queue.buf); 5216 sc->queue.count += pb->inputbytes; 5217 } 5218 5219 next: 5220 pb->inputbytes = 0; 5221 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 5222 sc->pqueue_start = 0; 5223 } while (sc->pqueue_start != sc->pqueue_end); 5224 5225 if (sc->state & PSM_ASLP) { 5226 sc->state &= ~PSM_ASLP; 5227 wakeup(sc); 5228 } 5229 selwakeuppri(&sc->rsel, PZERO); 5230 KNOTE_LOCKED(&sc->rsel.si_note, 0); 5231 if (sc->async != NULL) { 5232 pgsigio(&sc->async, SIGIO, 0); 5233 } 5234 sc->state &= ~PSM_SOFTARMED; 5235 5236 /* schedule injection of predefined packet after idletimeout 5237 * if no data packets have been received from psmintr */ 5238 if (timevalisset(&sc->idletimeout)) { 5239 sc->state |= PSM_SOFTARMED; 5240 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5241 psmsoftintridle, sc); 5242 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5243 tvtohz(&sc->idletimeout))); 5244 } 5245 splx(s); 5246 } 5247 5248 static int 5249 psmpoll(struct cdev *dev, int events, struct thread *td) 5250 { 5251 struct psm_softc *sc = dev->si_drv1; 5252 int s; 5253 int revents = 0; 5254 5255 /* Return true if a mouse event available */ 5256 s = spltty(); 5257 if (events & (POLLIN | POLLRDNORM)) { 5258 if (sc->queue.count > 0) 5259 revents |= events & (POLLIN | POLLRDNORM); 5260 else 5261 selrecord(td, &sc->rsel); 5262 } 5263 splx(s); 5264 5265 return (revents); 5266 } 5267 5268 static void 5269 psmfilter_detach(struct knote *kn) 5270 { 5271 struct psm_softc *sc = kn->kn_hook; 5272 5273 knlist_remove(&sc->rsel.si_note, kn, 0); 5274 } 5275 5276 static int 5277 psmfilter(struct knote *kn, long hint) 5278 { 5279 struct psm_softc *sc = kn->kn_hook; 5280 5281 GIANT_REQUIRED; 5282 5283 return (sc->queue.count != 0 ? 1 : 0); 5284 } 5285 5286 static const struct filterops psmfiltops = { 5287 .f_isfd = 1, 5288 .f_detach = psmfilter_detach, 5289 .f_event = psmfilter, 5290 .f_copy = knote_triv_copy, 5291 }; 5292 5293 static int 5294 psmkqfilter(struct cdev *dev, struct knote *kn) 5295 { 5296 struct psm_softc *sc = dev->si_drv1; 5297 5298 if (kn->kn_filter != EVFILT_READ) 5299 return(EOPNOTSUPP); 5300 5301 kn->kn_fop = &psmfiltops; 5302 kn->kn_hook = sc; 5303 knlist_add(&sc->rsel.si_note, kn, 1); 5304 5305 return (0); 5306 } 5307 5308 /* vendor/model specific routines */ 5309 5310 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5311 { 5312 if (set_mouse_resolution(kbdc, res) != res) 5313 return (FALSE); 5314 if (set_mouse_scaling(kbdc, scale) && 5315 set_mouse_scaling(kbdc, scale) && 5316 set_mouse_scaling(kbdc, scale) && 5317 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5318 return (TRUE); 5319 return (FALSE); 5320 } 5321 5322 static int 5323 mouse_ext_command(KBDC kbdc, int command) 5324 { 5325 int c; 5326 5327 c = (command >> 6) & 0x03; 5328 if (set_mouse_resolution(kbdc, c) != c) 5329 return (FALSE); 5330 c = (command >> 4) & 0x03; 5331 if (set_mouse_resolution(kbdc, c) != c) 5332 return (FALSE); 5333 c = (command >> 2) & 0x03; 5334 if (set_mouse_resolution(kbdc, c) != c) 5335 return (FALSE); 5336 c = (command >> 0) & 0x03; 5337 if (set_mouse_resolution(kbdc, c) != c) 5338 return (FALSE); 5339 return (TRUE); 5340 } 5341 5342 #ifdef notyet 5343 /* Logitech MouseMan Cordless II */ 5344 static int 5345 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5346 { 5347 KBDC kbdc = sc->kbdc; 5348 int status[3]; 5349 int ch; 5350 5351 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5352 return (FALSE); 5353 if (status[1] == PSMD_RES_HIGH) 5354 return (FALSE); 5355 ch = (status[0] & 0x07) - 1; /* channel # */ 5356 if ((ch <= 0) || (ch > 4)) 5357 return (FALSE); 5358 /* 5359 * status[1]: always one? 5360 * status[2]: battery status? (0-100) 5361 */ 5362 return (TRUE); 5363 } 5364 #endif /* notyet */ 5365 5366 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5367 static int 5368 enable_groller(struct psm_softc *sc, enum probearg arg) 5369 { 5370 KBDC kbdc = sc->kbdc; 5371 int status[3]; 5372 5373 /* 5374 * The special sequence to enable the fourth button and the 5375 * roller. Immediately after this sequence check status bytes. 5376 * if the mouse is NetScroll, the second and the third bytes are 5377 * '3' and 'D'. 5378 */ 5379 5380 /* 5381 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5382 * look like the following. 5383 * 5384 * byte 1 bit 7 always 0 5385 * bit 6 stream mode (0) 5386 * bit 5 disabled (0) 5387 * bit 4 1:1 scaling (0) 5388 * bit 3 always 0 5389 * bit 0-2 button status 5390 * byte 2 resolution (PSMD_RES_HIGH) 5391 * byte 3 report rate (?) 5392 */ 5393 5394 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5395 return (FALSE); 5396 if ((status[1] != '3') || (status[2] != 'D')) 5397 return (FALSE); 5398 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5399 if (arg == PROBE) 5400 sc->hw.buttons = 4; 5401 return (TRUE); 5402 } 5403 5404 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5405 static int 5406 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5407 { 5408 KBDC kbdc = sc->kbdc; 5409 int status[3]; 5410 5411 /* 5412 * The special sequence to enable the middle, "rubber" button. 5413 * Immediately after this sequence check status bytes. 5414 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5415 * the second and the third bytes are '3' and 'U'. 5416 * NOTE: NetMouse reports that it has three buttons although it has 5417 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5418 * say they have three buttons too and they do have a button on the 5419 * side... 5420 */ 5421 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5422 return (FALSE); 5423 if ((status[1] != '3') || (status[2] != 'U')) 5424 return (FALSE); 5425 return (TRUE); 5426 } 5427 5428 /* ALPS GlidePoint */ 5429 static int 5430 enable_aglide(struct psm_softc *sc, enum probearg arg) 5431 { 5432 KBDC kbdc = sc->kbdc; 5433 int status[3]; 5434 5435 /* 5436 * The special sequence to obtain ALPS GlidePoint specific 5437 * information. Immediately after this sequence, status bytes will 5438 * contain something interesting. 5439 * NOTE: ALPS produces several models of GlidePoint. Some of those 5440 * do not respond to this sequence, thus, cannot be detected this way. 5441 */ 5442 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5443 return (FALSE); 5444 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5445 return (FALSE); 5446 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5447 return (FALSE); 5448 return (TRUE); 5449 } 5450 5451 /* Kensington ThinkingMouse/Trackball */ 5452 static int 5453 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5454 { 5455 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5456 KBDC kbdc = sc->kbdc; 5457 int status[3]; 5458 int id1; 5459 int id2; 5460 int i; 5461 5462 id1 = get_aux_id(kbdc); 5463 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5464 return (FALSE); 5465 /* 5466 * The device is now in the native mode? It returns a different 5467 * ID value... 5468 */ 5469 id2 = get_aux_id(kbdc); 5470 if ((id1 == id2) || (id2 != 2)) 5471 return (FALSE); 5472 5473 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5474 return (FALSE); 5475 #if PSM_DEBUG >= 2 5476 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5477 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5478 return (FALSE); 5479 #endif 5480 5481 /* 5482 * The special sequence to enable the third and fourth buttons. 5483 * Otherwise they behave like the first and second buttons. 5484 */ 5485 for (i = 0; i < nitems(rate); ++i) 5486 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5487 return (FALSE); 5488 5489 /* 5490 * At this point, the device is using default resolution and 5491 * sampling rate for the native mode. 5492 */ 5493 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5494 return (FALSE); 5495 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5496 return (FALSE); 5497 5498 /* the device appears be enabled by this sequence, disable it for now */ 5499 disable_aux_dev(kbdc); 5500 empty_aux_buffer(kbdc, 5); 5501 5502 return (TRUE); 5503 } 5504 5505 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5506 static int 5507 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5508 { 5509 KBDC kbdc = sc->kbdc; 5510 int data[3]; 5511 5512 /* the special sequence to enable the fourth button and the roller. */ 5513 /* 5514 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5515 * must be called exactly three times since the last RESET command 5516 * before this sequence. XXX 5517 */ 5518 if (!set_mouse_scaling(kbdc, 1)) 5519 return (FALSE); 5520 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5521 return (FALSE); 5522 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5523 return (FALSE); 5524 5525 /* 5526 * PS2++ protocol, packet type 0 5527 * 5528 * b7 b6 b5 b4 b3 b2 b1 b0 5529 * byte 1: * 1 p3 p2 1 * * * 5530 * byte 2: 1 1 p1 p0 m1 m0 1 0 5531 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5532 * 5533 * p3-p0: packet type: 0 5534 * m7-m0: model ID: MouseMan+:0x50, 5535 * FirstMouse+:0x51, 5536 * ScrollPoint:0x58... 5537 */ 5538 /* check constant bits */ 5539 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5540 return (FALSE); 5541 if ((data[1] & 0xc3) != 0xc2) 5542 return (FALSE); 5543 /* check d3-d0 in byte 2 */ 5544 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5545 return (FALSE); 5546 /* check p3-p0 */ 5547 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5548 return (FALSE); 5549 5550 if (arg == PROBE) { 5551 sc->hw.hwid &= 0x00ff; 5552 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5553 } 5554 5555 /* 5556 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5557 * the wheel and the fourth button events are encoded in the 5558 * special data packet. The mouse may be put in the IntelliMouse mode 5559 * if it is initialized by the IntelliMouse's method. 5560 */ 5561 return (TRUE); 5562 } 5563 5564 /* MS IntelliMouse Explorer */ 5565 static int 5566 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5567 { 5568 KBDC kbdc = sc->kbdc; 5569 static u_char rate0[] = { 200, 100, 80, }; 5570 static u_char rate1[] = { 200, 200, 80, }; 5571 int id; 5572 int i; 5573 5574 /* 5575 * This is needed for at least A4Tech X-7xx mice - they do not go 5576 * straight to Explorer mode, but need to be set to Intelli mode 5577 * first. 5578 */ 5579 enable_msintelli(sc, arg); 5580 5581 /* the special sequence to enable the extra buttons and the roller. */ 5582 for (i = 0; i < nitems(rate1); ++i) 5583 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5584 return (FALSE); 5585 /* the device will give the genuine ID only after the above sequence */ 5586 id = get_aux_id(kbdc); 5587 if (id != PSM_EXPLORER_ID) 5588 return (FALSE); 5589 5590 if (arg == PROBE) { 5591 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5592 sc->hw.hwid = id; 5593 } 5594 5595 /* 5596 * XXX: this is a kludge to fool some KVM switch products 5597 * which think they are clever enough to know the 4-byte IntelliMouse 5598 * protocol, and assume any other protocols use 3-byte packets. 5599 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5600 * correctly to the host computer because of this! 5601 * The following sequence is actually IntelliMouse's "wake up" 5602 * sequence; it will make the KVM think the mouse is IntelliMouse 5603 * when it is in fact IntelliMouse Explorer. 5604 */ 5605 for (i = 0; i < nitems(rate0); ++i) 5606 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5607 break; 5608 get_aux_id(kbdc); 5609 5610 return (TRUE); 5611 } 5612 5613 /* 5614 * MS IntelliMouse 5615 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5616 * probe routine and act like IntelliMouse. 5617 */ 5618 static int 5619 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5620 { 5621 KBDC kbdc = sc->kbdc; 5622 static u_char rate[] = { 200, 100, 80, }; 5623 int id; 5624 int i; 5625 5626 /* the special sequence to enable the third button and the roller. */ 5627 for (i = 0; i < nitems(rate); ++i) 5628 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5629 return (FALSE); 5630 /* the device will give the genuine ID only after the above sequence */ 5631 id = get_aux_id(kbdc); 5632 if (id != PSM_INTELLI_ID) 5633 return (FALSE); 5634 5635 if (arg == PROBE) { 5636 sc->hw.buttons = 3; 5637 sc->hw.hwid = id; 5638 } 5639 5640 return (TRUE); 5641 } 5642 5643 /* 5644 * A4 Tech 4D Mouse 5645 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5646 */ 5647 static int 5648 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5649 { 5650 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5651 KBDC kbdc = sc->kbdc; 5652 int id; 5653 int i; 5654 5655 for (i = 0; i < nitems(rate); ++i) 5656 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5657 return (FALSE); 5658 id = get_aux_id(kbdc); 5659 /* 5660 * WinEasy 4D, 4 Way Scroll 4D: 6 5661 * Cable-Free 4D: 8 (4DPLUS) 5662 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5663 */ 5664 if (id != PSM_4DMOUSE_ID) 5665 return (FALSE); 5666 5667 if (arg == PROBE) { 5668 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5669 sc->hw.hwid = id; 5670 } 5671 5672 return (TRUE); 5673 } 5674 5675 /* 5676 * A4 Tech 4D+ Mouse 5677 * Newer wheel mice from A4 Tech seem to use this protocol. 5678 * Older models are recognized as either 4D Mouse or IntelliMouse. 5679 */ 5680 static int 5681 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5682 { 5683 KBDC kbdc = sc->kbdc; 5684 int id; 5685 5686 /* 5687 * enable_4dmouse() already issued the following ID sequence... 5688 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5689 int i; 5690 5691 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5692 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5693 return (FALSE); 5694 */ 5695 5696 id = get_aux_id(kbdc); 5697 switch (id) { 5698 case PSM_4DPLUS_ID: 5699 break; 5700 case PSM_4DPLUS_RFSW35_ID: 5701 break; 5702 default: 5703 return (FALSE); 5704 } 5705 5706 if (arg == PROBE) { 5707 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5708 sc->hw.hwid = id; 5709 } 5710 5711 return (TRUE); 5712 } 5713 5714 /* Synaptics Touchpad */ 5715 static int 5716 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5717 { 5718 struct psm_softc *sc; 5719 int error, arg; 5720 5721 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5722 oidp->oid_arg2 > SYNAPTICS_SYSCTL_LAST) 5723 return (EINVAL); 5724 5725 sc = oidp->oid_arg1; 5726 5727 /* Read the current value. */ 5728 arg = *(int *)((char *)sc + oidp->oid_arg2); 5729 error = sysctl_handle_int(oidp, &arg, 0, req); 5730 5731 /* Sanity check. */ 5732 if (error || !req->newptr) 5733 return (error); 5734 5735 /* 5736 * Check that the new value is in the concerned node's range 5737 * of values. 5738 */ 5739 switch (oidp->oid_arg2) { 5740 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5741 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5742 if (arg < 0 || arg > 255) 5743 return (EINVAL); 5744 break; 5745 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5746 if (arg < 4 || arg > 15) 5747 return (EINVAL); 5748 break; 5749 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5750 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5751 case SYNAPTICS_SYSCTL_NA_TOP: 5752 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5753 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5754 return (EINVAL); 5755 break; 5756 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5757 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5758 /* Softbuttons is clickpad only feature */ 5759 if (!sc->synhw.capClickPad && arg != 0) 5760 return (EINVAL); 5761 /* FALLTHROUGH */ 5762 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5763 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5764 case SYNAPTICS_SYSCTL_NA_RIGHT: 5765 case SYNAPTICS_SYSCTL_NA_LEFT: 5766 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5767 return (EINVAL); 5768 break; 5769 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5770 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5771 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5772 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5773 return (EINVAL); 5774 break; 5775 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5776 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5777 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5778 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5779 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5780 case SYNAPTICS_SYSCTL_DIV_MIN: 5781 case SYNAPTICS_SYSCTL_DIV_MAX: 5782 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5783 case SYNAPTICS_SYSCTL_DIV_LEN: 5784 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5785 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5786 if (arg < 1) 5787 return (EINVAL); 5788 break; 5789 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5790 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5791 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5792 if (arg < 0) 5793 return (EINVAL); 5794 break; 5795 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5796 if (arg < -sc->synhw.maximumXCoord || 5797 arg > sc->synhw.maximumXCoord) 5798 return (EINVAL); 5799 break; 5800 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5801 /* Softbuttons is clickpad only feature */ 5802 if (!sc->synhw.capClickPad && arg != 0) 5803 return (EINVAL); 5804 /* FALLTHROUGH */ 5805 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5806 if (arg < -sc->synhw.maximumYCoord || 5807 arg > sc->synhw.maximumYCoord) 5808 return (EINVAL); 5809 break; 5810 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5811 case SYNAPTICS_SYSCTL_THREE_FINGER_DRAG: 5812 case SYNAPTICS_SYSCTL_NATURAL_SCROLL: 5813 if (arg < 0 || arg > 1) 5814 return (EINVAL); 5815 break; 5816 default: 5817 return (EINVAL); 5818 } 5819 5820 /* Update. */ 5821 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5822 5823 return (error); 5824 } 5825 5826 static void 5827 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5828 { 5829 /* 5830 * Set predefined sizes for softbuttons. 5831 * Values are taken to match HP Pavilion dv6 clickpad drawings 5832 * with thin middle softbutton placed on separator 5833 */ 5834 5835 /* hw.psm.synaptics.softbuttons_y */ 5836 sc->syninfo.softbuttons_y = sc->synhw.topButtonPad ? -1700 : 1700; 5837 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5838 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5839 "softbuttons_y", 5840 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5841 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5842 synaptics_sysctl, "I", 5843 "Vertical size of softbuttons area"); 5844 5845 /* hw.psm.synaptics.softbutton2_x */ 5846 sc->syninfo.softbutton2_x = 3100; 5847 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5848 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5849 "softbutton2_x", 5850 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5851 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5852 synaptics_sysctl, "I", 5853 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5854 5855 /* hw.psm.synaptics.softbutton3_x */ 5856 sc->syninfo.softbutton3_x = 3900; 5857 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5858 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5859 "softbutton3_x", 5860 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5861 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5862 synaptics_sysctl, "I", 5863 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5864 } 5865 5866 static void 5867 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5868 const char *descr) 5869 { 5870 5871 if (sc->syninfo.sysctl_tree != NULL) 5872 return; 5873 5874 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5875 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5876 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5877 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, 5878 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, descr); 5879 5880 /* hw.psm.synaptics.directional_scrolls. */ 5881 sc->syninfo.directional_scrolls = 0; 5882 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5883 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5884 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5885 &sc->syninfo.directional_scrolls, 0, 5886 "Enable hardware scrolling pad (if non-zero) or register it as " 5887 "extended buttons (if 0)"); 5888 5889 /* hw.psm.synaptics.max_x. */ 5890 sc->syninfo.max_x = 6143; 5891 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5892 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5893 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5894 &sc->syninfo.max_x, 0, 5895 "Horizontal reporting range"); 5896 5897 /* hw.psm.synaptics.max_y. */ 5898 sc->syninfo.max_y = 6143; 5899 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5900 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5901 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5902 &sc->syninfo.max_y, 0, 5903 "Vertical reporting range"); 5904 5905 /* 5906 * Turn off two finger scroll if we have a 5907 * physical area reserved for scrolling or when 5908 * there's no multi finger support. 5909 */ 5910 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5911 sc->synhw.capAdvancedGestures == 0)) 5912 sc->syninfo.two_finger_scroll = 0; 5913 else 5914 sc->syninfo.two_finger_scroll = 1; 5915 /* hw.psm.synaptics.two_finger_scroll. */ 5916 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5917 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5918 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5919 &sc->syninfo.two_finger_scroll, 0, 5920 "Enable two finger scrolling"); 5921 5922 /* hw.psm.synaptics.min_pressure. */ 5923 sc->syninfo.min_pressure = 32; 5924 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5925 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5926 "min_pressure", 5927 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5928 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5929 synaptics_sysctl, "I", 5930 "Minimum pressure required to start an action"); 5931 5932 /* hw.psm.synaptics.max_pressure. */ 5933 sc->syninfo.max_pressure = 220; 5934 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5935 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5936 "max_pressure", 5937 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5938 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5939 synaptics_sysctl, "I", 5940 "Maximum pressure to detect palm"); 5941 5942 /* hw.psm.synaptics.max_width. */ 5943 sc->syninfo.max_width = 10; 5944 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5945 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5946 "max_width", 5947 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5948 sc, SYNAPTICS_SYSCTL_MAX_WIDTH, 5949 synaptics_sysctl, "I", 5950 "Maximum finger width to detect palm"); 5951 5952 /* hw.psm.synaptics.top_margin. */ 5953 sc->syninfo.margin_top = 200; 5954 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5955 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5956 "margin_top", 5957 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5958 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5959 synaptics_sysctl, "I", 5960 "Top margin"); 5961 5962 /* hw.psm.synaptics.right_margin. */ 5963 sc->syninfo.margin_right = 200; 5964 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5965 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5966 "margin_right", 5967 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5968 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5969 synaptics_sysctl, "I", 5970 "Right margin"); 5971 5972 /* hw.psm.synaptics.bottom_margin. */ 5973 sc->syninfo.margin_bottom = 200; 5974 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5975 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5976 "margin_bottom", 5977 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5978 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5979 synaptics_sysctl, "I", 5980 "Bottom margin"); 5981 5982 /* hw.psm.synaptics.left_margin. */ 5983 sc->syninfo.margin_left = 200; 5984 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5985 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5986 "margin_left", 5987 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5988 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5989 synaptics_sysctl, "I", 5990 "Left margin"); 5991 5992 /* hw.psm.synaptics.na_top. */ 5993 sc->syninfo.na_top = 1783; 5994 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5995 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5996 "na_top", 5997 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 5998 sc, SYNAPTICS_SYSCTL_NA_TOP, 5999 synaptics_sysctl, "I", 6000 "Top noisy area, where weight_previous_na is used instead " 6001 "of weight_previous"); 6002 6003 /* hw.psm.synaptics.na_right. */ 6004 sc->syninfo.na_right = 563; 6005 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6006 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6007 "na_right", 6008 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6009 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 6010 synaptics_sysctl, "I", 6011 "Right noisy area, where weight_previous_na is used instead " 6012 "of weight_previous"); 6013 6014 /* hw.psm.synaptics.na_bottom. */ 6015 sc->syninfo.na_bottom = 1408; 6016 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6017 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6018 "na_bottom", 6019 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6020 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 6021 synaptics_sysctl, "I", 6022 "Bottom noisy area, where weight_previous_na is used instead " 6023 "of weight_previous"); 6024 6025 /* hw.psm.synaptics.na_left. */ 6026 sc->syninfo.na_left = 1600; 6027 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6028 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6029 "na_left", 6030 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6031 sc, SYNAPTICS_SYSCTL_NA_LEFT, 6032 synaptics_sysctl, "I", 6033 "Left noisy area, where weight_previous_na is used instead " 6034 "of weight_previous"); 6035 6036 /* hw.psm.synaptics.window_min. */ 6037 sc->syninfo.window_min = 4; 6038 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6039 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6040 "window_min", 6041 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6042 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 6043 synaptics_sysctl, "I", 6044 "Minimum window size to start an action"); 6045 6046 /* hw.psm.synaptics.window_max. */ 6047 sc->syninfo.window_max = 10; 6048 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6049 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6050 "window_max", 6051 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6052 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 6053 synaptics_sysctl, "I", 6054 "Maximum window size"); 6055 6056 /* hw.psm.synaptics.multiplicator. */ 6057 sc->syninfo.multiplicator = 10000; 6058 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6059 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6060 "multiplicator", 6061 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6062 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 6063 synaptics_sysctl, "I", 6064 "Multiplicator to increase precision in averages and divisions"); 6065 6066 /* hw.psm.synaptics.weight_current. */ 6067 sc->syninfo.weight_current = 3; 6068 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6069 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6070 "weight_current", 6071 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6072 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 6073 synaptics_sysctl, "I", 6074 "Weight of the current movement in the new average"); 6075 6076 /* hw.psm.synaptics.weight_previous. */ 6077 sc->syninfo.weight_previous = 6; 6078 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6079 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6080 "weight_previous", 6081 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6082 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 6083 synaptics_sysctl, "I", 6084 "Weight of the previous average"); 6085 6086 /* hw.psm.synaptics.weight_previous_na. */ 6087 sc->syninfo.weight_previous_na = 20; 6088 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6089 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6090 "weight_previous_na", 6091 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6092 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 6093 synaptics_sysctl, "I", 6094 "Weight of the previous average (inside the noisy area)"); 6095 6096 /* hw.psm.synaptics.weight_len_squared. */ 6097 sc->syninfo.weight_len_squared = 2000; 6098 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6099 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6100 "weight_len_squared", 6101 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6102 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 6103 synaptics_sysctl, "I", 6104 "Length (squared) of segments where weight_previous " 6105 "starts to decrease"); 6106 6107 /* hw.psm.synaptics.div_min. */ 6108 sc->syninfo.div_min = 9; 6109 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6110 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6111 "div_min", 6112 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6113 sc, SYNAPTICS_SYSCTL_DIV_MIN, 6114 synaptics_sysctl, "I", 6115 "Divisor for fast movements"); 6116 6117 /* hw.psm.synaptics.div_max. */ 6118 sc->syninfo.div_max = 17; 6119 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6120 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6121 "div_max", 6122 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6123 sc, SYNAPTICS_SYSCTL_DIV_MAX, 6124 synaptics_sysctl, "I", 6125 "Divisor for slow movements"); 6126 6127 /* hw.psm.synaptics.div_max_na. */ 6128 sc->syninfo.div_max_na = 30; 6129 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6130 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6131 "div_max_na", 6132 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6133 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 6134 synaptics_sysctl, "I", 6135 "Divisor with slow movements (inside the noisy area)"); 6136 6137 /* hw.psm.synaptics.div_len. */ 6138 sc->syninfo.div_len = 100; 6139 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6140 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6141 "div_len", 6142 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6143 sc, SYNAPTICS_SYSCTL_DIV_LEN, 6144 synaptics_sysctl, "I", 6145 "Length of segments where div_max starts to decrease"); 6146 6147 /* hw.psm.synaptics.tap_max_delta. */ 6148 sc->syninfo.tap_max_delta = 80; 6149 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6150 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6151 "tap_max_delta", 6152 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6153 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 6154 synaptics_sysctl, "I", 6155 "Length of segments above which a tap is ignored"); 6156 6157 /* hw.psm.synaptics.tap_min_queue. */ 6158 sc->syninfo.tap_min_queue = 2; 6159 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6160 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6161 "tap_min_queue", 6162 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6163 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 6164 synaptics_sysctl, "I", 6165 "Number of packets required to consider a tap"); 6166 6167 /* hw.psm.synaptics.taphold_timeout. */ 6168 sc->gesture.in_taphold = 0; 6169 sc->syninfo.taphold_timeout = tap_timeout; 6170 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6171 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6172 "taphold_timeout", 6173 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6174 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 6175 synaptics_sysctl, "I", 6176 "Maximum elapsed time between two taps to consider a tap-hold " 6177 "action"); 6178 6179 /* hw.psm.synaptics.vscroll_hor_area. */ 6180 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 6181 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6182 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6183 "vscroll_hor_area", 6184 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6185 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 6186 synaptics_sysctl, "I", 6187 "Area reserved for horizontal virtual scrolling"); 6188 6189 /* hw.psm.synaptics.vscroll_ver_area. */ 6190 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 6191 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6192 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6193 "vscroll_ver_area", 6194 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6195 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 6196 synaptics_sysctl, "I", 6197 "Area reserved for vertical virtual scrolling"); 6198 6199 /* hw.psm.synaptics.vscroll_min_delta. */ 6200 sc->syninfo.vscroll_min_delta = 50; 6201 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6202 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6203 "vscroll_min_delta", 6204 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6205 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 6206 synaptics_sysctl, "I", 6207 "Minimum movement to consider virtual scrolling"); 6208 6209 /* hw.psm.synaptics.vscroll_div_min. */ 6210 sc->syninfo.vscroll_div_min = 100; 6211 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6212 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6213 "vscroll_div_min", 6214 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6215 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 6216 synaptics_sysctl, "I", 6217 "Divisor for fast scrolling"); 6218 6219 /* hw.psm.synaptics.vscroll_div_min. */ 6220 sc->syninfo.vscroll_div_max = 150; 6221 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6222 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6223 "vscroll_div_max", 6224 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6225 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 6226 synaptics_sysctl, "I", 6227 "Divisor for slow scrolling"); 6228 6229 /* hw.psm.synaptics.touchpad_off. */ 6230 sc->syninfo.touchpad_off = 0; 6231 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6232 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6233 "touchpad_off", 6234 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6235 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 6236 synaptics_sysctl, "I", 6237 "Turn off touchpad"); 6238 6239 sc->syninfo.three_finger_drag = 0; 6240 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6241 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6242 "three_finger_drag", 6243 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6244 sc, SYNAPTICS_SYSCTL_THREE_FINGER_DRAG, 6245 synaptics_sysctl, "I", 6246 "Enable dragging with three fingers"); 6247 6248 /* hw.psm.synaptics.natural_scroll. */ 6249 sc->syninfo.natural_scroll = 0; 6250 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 6251 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 6252 "natural_scroll", 6253 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6254 sc, SYNAPTICS_SYSCTL_NATURAL_SCROLL, 6255 synaptics_sysctl, "I", 6256 "Enable natural scrolling"); 6257 6258 sc->syninfo.softbuttons_y = 0; 6259 sc->syninfo.softbutton2_x = 0; 6260 sc->syninfo.softbutton3_x = 0; 6261 6262 /* skip softbuttons sysctl on not clickpads */ 6263 if (sc->synhw.capClickPad) 6264 synaptics_sysctl_create_softbuttons_tree(sc); 6265 } 6266 6267 static int 6268 synaptics_preferred_mode(struct psm_softc *sc) { 6269 int mode_byte; 6270 6271 /* Check if we are in relative mode */ 6272 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 6273 if (tap_enabled == 0) 6274 /* 6275 * Disable tap & drag gestures. We use a Mode Byte 6276 * and set the DisGest bit (see §2.5 of Synaptics 6277 * TouchPad Interfacing Guide). 6278 */ 6279 return (0x04); 6280 else 6281 /* 6282 * Enable tap & drag gestures. We use a Mode Byte 6283 * and clear the DisGest bit (see §2.5 of Synaptics 6284 * TouchPad Interfacing Guide). 6285 */ 6286 return (0x00); 6287 } 6288 6289 mode_byte = 0xc4; 6290 6291 /* request wmode where available */ 6292 if (sc->synhw.capExtended) 6293 mode_byte |= 1; 6294 6295 return mode_byte; 6296 } 6297 6298 static void 6299 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 6300 mouse_ext_command(sc->kbdc, mode_byte); 6301 6302 /* "Commit" the Set Mode Byte command sent above. */ 6303 set_mouse_sampling_rate(sc->kbdc, 20); 6304 6305 /* 6306 * Enable advanced gestures mode if supported and we are not entering 6307 * passthrough or relative mode. 6308 */ 6309 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 6310 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 6311 mouse_ext_command(sc->kbdc, SYNAPTICS_READ_MODEL_ID); 6312 set_mouse_sampling_rate(sc->kbdc, 0xc8); 6313 } 6314 } 6315 6316 /* 6317 * AUX MUX detection code should be placed at very beginning of probe sequence 6318 * at least before 4-byte protocol mouse probes e.g. MS IntelliMouse probe as 6319 * latter can trigger switching the MUX to incompatible state. 6320 */ 6321 static int 6322 enable_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6323 { 6324 KBDC kbdc = sc->kbdc; 6325 int port, version; 6326 int probe = FALSE; 6327 int active_ports_count = 0; 6328 int active_ports_mask = 0; 6329 6330 sc->muxsinglesyna = FALSE; 6331 6332 if (mux_disabled == 1 || (mux_disabled == -1 && 6333 (kbdc->quirks & KBDC_QUIRK_DISABLE_MUX_PROBE) != 0)) 6334 return (FALSE); 6335 6336 version = enable_aux_mux(kbdc); 6337 if (version == -1) 6338 return (FALSE); 6339 6340 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6341 VLOG(3, (LOG_DEBUG, "aux_mux: ping port %d\n", port)); 6342 set_active_aux_mux_port(kbdc, port); 6343 if (enable_aux_dev(kbdc) && disable_aux_dev(kbdc)) { 6344 active_ports_count++; 6345 active_ports_mask |= 1 << port; 6346 } 6347 } 6348 6349 if (verbose >= 2) 6350 printf("Active Multiplexing PS/2 controller v%d.%d with %d " 6351 "active port(s)\n", version >> 4 & 0x0f, version & 0x0f, 6352 active_ports_count); 6353 6354 /* psm has a special support for GenMouse + SynTouchpad combination */ 6355 for (port = 0; port < KBDC_AUX_MUX_NUM_PORTS; port++) { 6356 if ((active_ports_mask & 1 << port) == 0) 6357 continue; 6358 VLOG(3, (LOG_DEBUG, "aux_mux: probe port %d\n", port)); 6359 set_active_aux_mux_port(kbdc, port); 6360 probe = enable_synaptics(sc, arg); 6361 if (probe) { 6362 if (arg == PROBE) 6363 sc->muxport = port; 6364 break; 6365 } 6366 } 6367 6368 /* IRQ handler does not support active multiplexing mode */ 6369 disable_aux_mux(kbdc); 6370 6371 /* Is MUX still alive after switching back to legacy mode? */ 6372 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 6373 /* 6374 * On some laptops e.g. Lenovo X121e dead AUX MUX can be 6375 * brought back to life with resetting of keyboard. 6376 */ 6377 reset_kbd(kbdc); 6378 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 6379 device_printf(sc->dev, "AUX MUX hang detected!\n"); 6380 printf("Consider adding hw.psm.mux_disabled=1 to " 6381 "loader tunables\n"); 6382 } 6383 } 6384 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 6385 6386 /* Don't disable syncbit checks if Synaptics is only device on MUX */ 6387 if (active_ports_count == 1) 6388 sc->muxsinglesyna = probe; 6389 return (active_ports_count != 1 ? probe : FALSE); 6390 } 6391 6392 static int 6393 enable_single_synaptics_mux(struct psm_softc *sc, enum probearg arg) 6394 { 6395 /* Synaptics device is already initialized in enable_synaptics_mux */ 6396 return (sc->muxsinglesyna); 6397 } 6398 6399 static int 6400 enable_synaptics(struct psm_softc *sc, enum probearg arg) 6401 { 6402 device_t psmcpnp; 6403 struct psmcpnp_softc *psmcpnp_sc; 6404 KBDC kbdc = sc->kbdc; 6405 synapticshw_t synhw; 6406 int status[3]; 6407 int buttons; 6408 6409 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6410 6411 /* 6412 * Just to be on the safe side: this avoids troubles with 6413 * following mouse_ext_command() when the previous command 6414 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6415 * Synaptics Touchpad behaviour. 6416 */ 6417 set_mouse_scaling(kbdc, 1); 6418 6419 /* Identify the Touchpad version. */ 6420 if (mouse_ext_command(kbdc, SYNAPTICS_READ_IDENTITY) == 0) 6421 return (FALSE); 6422 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6423 return (FALSE); 6424 if (status[1] != 0x47) 6425 return (FALSE); 6426 6427 bzero(&synhw, sizeof(synhw)); 6428 synhw.infoMinor = status[0]; 6429 synhw.infoMajor = status[2] & 0x0f; 6430 6431 if (verbose >= 2) 6432 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6433 synhw.infoMinor); 6434 6435 if (synhw.infoMajor < 4) { 6436 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6437 return (FALSE); 6438 } 6439 6440 /* Get the Touchpad model information. */ 6441 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODEL_ID) == 0) 6442 return (FALSE); 6443 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6444 return (FALSE); 6445 if ((status[1] & 0x01) != 0) { 6446 printf(" Failed to read model information\n"); 6447 return (FALSE); 6448 } 6449 6450 synhw.infoRot180 = (status[0] & 0x80) != 0; 6451 synhw.infoPortrait = (status[0] & 0x40) != 0; 6452 synhw.infoSensor = status[0] & 0x3f; 6453 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6454 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6455 synhw.capPen = (status[2] & 0x40) != 0; 6456 synhw.infoSimplC = (status[2] & 0x20) != 0; 6457 synhw.infoGeometry = status[2] & 0x0f; 6458 6459 if (verbose >= 2) { 6460 printf(" Model information:\n"); 6461 printf(" infoRot180: %d\n", synhw.infoRot180); 6462 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6463 printf(" infoSensor: %d\n", synhw.infoSensor); 6464 printf(" infoHardware: %d\n", synhw.infoHardware); 6465 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6466 printf(" capPen: %d\n", synhw.capPen); 6467 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6468 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6469 } 6470 6471 /* 6472 * Typical bezel limits. Taken from 'Synaptics 6473 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6474 */ 6475 synhw.maximumXCoord = 5472; 6476 synhw.maximumYCoord = 4448; 6477 synhw.minimumXCoord = 1472; 6478 synhw.minimumYCoord = 1408; 6479 6480 /* Read the extended capability bits. */ 6481 if (mouse_ext_command(kbdc, SYNAPTICS_READ_CAPABILITIES) == 0) 6482 return (FALSE); 6483 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6484 return (FALSE); 6485 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6486 printf(" Failed to read extended capability bits\n"); 6487 return (FALSE); 6488 } 6489 6490 psmcpnp = devclass_get_device(devclass_find(PSMCPNP_DRIVER_NAME), 6491 device_get_unit(sc->dev)); 6492 psmcpnp_sc = (psmcpnp != NULL) ? device_get_softc(psmcpnp) : NULL; 6493 6494 /* Set the different capabilities when they exist. */ 6495 buttons = 0; 6496 synhw.capExtended = (status[0] & 0x80) != 0; 6497 if (synhw.capExtended) { 6498 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6499 synhw.capMiddle = (status[0] & 0x04) != 0; 6500 synhw.capPassthrough = (status[2] & 0x80) != 0; 6501 synhw.capLowPower = (status[2] & 0x40) != 0; 6502 synhw.capMultiFingerReport = 6503 (status[2] & 0x20) != 0; 6504 synhw.capSleep = (status[2] & 0x10) != 0; 6505 synhw.capFourButtons = (status[2] & 0x08) != 0; 6506 synhw.capBallistics = (status[2] & 0x04) != 0; 6507 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6508 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6509 6510 if (!set_mouse_scaling(kbdc, 1)) 6511 return (FALSE); 6512 if (mouse_ext_command(kbdc, SYNAPTICS_READ_RESOLUTIONS) == 0) 6513 return (FALSE); 6514 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6515 return (FALSE); 6516 6517 if (status[0] != 0 && (status[1] & 0x80) && status[2] != 0) { 6518 synhw.infoXupmm = status[0]; 6519 synhw.infoYupmm = status[2]; 6520 } 6521 6522 if (verbose >= 2) { 6523 printf(" Extended capabilities:\n"); 6524 printf(" capExtended: %d\n", synhw.capExtended); 6525 printf(" capMiddle: %d\n", synhw.capMiddle); 6526 printf(" nExtendedQueries: %d\n", 6527 synhw.nExtendedQueries); 6528 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6529 printf(" capLowPower: %d\n", synhw.capLowPower); 6530 printf(" capMultiFingerReport: %d\n", 6531 synhw.capMultiFingerReport); 6532 printf(" capSleep: %d\n", synhw.capSleep); 6533 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6534 printf(" capBallistics: %d\n", synhw.capBallistics); 6535 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6536 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6537 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6538 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6539 } 6540 6541 /* 6542 * If nExtendedQueries is 1 or greater, then the TouchPad 6543 * supports this number of extended queries. We can load 6544 * more information about buttons using query 0x09. 6545 */ 6546 if (synhw.nExtendedQueries >= 1) { 6547 if (!set_mouse_scaling(kbdc, 1)) 6548 return (FALSE); 6549 if (mouse_ext_command(kbdc, 6550 SYNAPTICS_READ_EXTENDED) == 0) 6551 return (FALSE); 6552 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6553 return (FALSE); 6554 synhw.verticalScroll = (status[0] & 0x01) != 0; 6555 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6556 synhw.verticalWheel = (status[0] & 0x08) != 0; 6557 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6558 synhw.capEWmode = (status[0] & 0x04) != 0; 6559 if (verbose >= 2) { 6560 printf(" Extended model ID:\n"); 6561 printf(" verticalScroll: %d\n", 6562 synhw.verticalScroll); 6563 printf(" horizontalScroll: %d\n", 6564 synhw.horizontalScroll); 6565 printf(" verticalWheel: %d\n", 6566 synhw.verticalWheel); 6567 printf(" nExtendedButtons: %d\n", 6568 synhw.nExtendedButtons); 6569 printf(" capEWmode: %d\n", 6570 synhw.capEWmode); 6571 } 6572 /* 6573 * Add the number of extended buttons to the total 6574 * button support count, including the middle button 6575 * if capMiddle support bit is set. 6576 */ 6577 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6578 } else 6579 /* 6580 * If the capFourButtons support bit is set, 6581 * add a fourth button to the total button count. 6582 */ 6583 buttons = synhw.capFourButtons ? 1 : 0; 6584 6585 /* Read the continued capabilities bits. */ 6586 if (synhw.nExtendedQueries >= 4) { 6587 if (!set_mouse_scaling(kbdc, 1)) 6588 return (FALSE); 6589 if (mouse_ext_command(kbdc, 6590 SYNAPTICS_READ_CAPABILITIES_CONT) == 0) 6591 return (FALSE); 6592 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6593 return (FALSE); 6594 6595 synhw.capClickPad = (status[1] & 0x01) << 1; 6596 synhw.capClickPad |= (status[0] & 0x10) != 0; 6597 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6598 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6599 synhw.capReportsV = (status[1] & 0x08) != 0; 6600 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6601 synhw.capReportsMin = (status[1] & 0x20) != 0; 6602 synhw.capInterTouch = (status[1] & 0x40) != 0; 6603 synhw.capReportsMax = (status[0] & 0x02) != 0; 6604 synhw.capClearPad = (status[0] & 0x04) != 0; 6605 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6606 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6607 6608 if (synhw.capReportsMax) { 6609 if (!set_mouse_scaling(kbdc, 1)) 6610 return (FALSE); 6611 if (mouse_ext_command(kbdc, 6612 SYNAPTICS_READ_MAX_COORDS) == 0) 6613 return (FALSE); 6614 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6615 return (FALSE); 6616 6617 synhw.maximumXCoord = (status[0] << 5) | 6618 ((status[1] & 0x0f) << 1); 6619 synhw.maximumYCoord = (status[2] << 5) | 6620 ((status[1] & 0xf0) >> 3); 6621 } 6622 6623 if (synhw.capReportsMin) { 6624 if (!set_mouse_scaling(kbdc, 1)) 6625 return (FALSE); 6626 if (mouse_ext_command(kbdc, 6627 SYNAPTICS_READ_MIN_COORDS) == 0) 6628 return (FALSE); 6629 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6630 return (FALSE); 6631 6632 synhw.minimumXCoord = (status[0] << 5) | 6633 ((status[1] & 0x0f) << 1); 6634 synhw.minimumYCoord = (status[2] << 5) | 6635 ((status[1] & 0xf0) >> 3); 6636 } 6637 6638 /* 6639 * ClickPad properties are not exported through PS/2 6640 * protocol. Detection is based on controller's PnP ID. 6641 */ 6642 if (synhw.capClickPad && psmcpnp_sc != NULL) { 6643 switch (psmcpnp_sc->type) { 6644 case PSMCPNP_FORCEPAD: 6645 synhw.forcePad = 1; 6646 break; 6647 case PSMCPNP_TOPBUTTONPAD: 6648 synhw.topButtonPad = 1; 6649 break; 6650 default: 6651 break; 6652 } 6653 } 6654 6655 if (verbose >= 2) { 6656 printf(" Continued capabilities:\n"); 6657 printf(" capClickPad: %d\n", 6658 synhw.capClickPad); 6659 printf(" capDeluxeLEDs: %d\n", 6660 synhw.capDeluxeLEDs); 6661 printf(" noAbsoluteFilter: %d\n", 6662 synhw.noAbsoluteFilter); 6663 printf(" capReportsV: %d\n", 6664 synhw.capReportsV); 6665 printf(" capUniformClickPad: %d\n", 6666 synhw.capUniformClickPad); 6667 printf(" capReportsMin: %d\n", 6668 synhw.capReportsMin); 6669 printf(" capInterTouch: %d\n", 6670 synhw.capInterTouch); 6671 printf(" capReportsMax: %d\n", 6672 synhw.capReportsMax); 6673 printf(" capClearPad: %d\n", 6674 synhw.capClearPad); 6675 printf(" capAdvancedGestures: %d\n", 6676 synhw.capAdvancedGestures); 6677 printf(" capCoveredPad: %d\n", 6678 synhw.capCoveredPad); 6679 if (synhw.capReportsMax) { 6680 printf(" maximumXCoord: %d\n", 6681 synhw.maximumXCoord); 6682 printf(" maximumYCoord: %d\n", 6683 synhw.maximumYCoord); 6684 } 6685 if (synhw.capReportsMin) { 6686 printf(" minimumXCoord: %d\n", 6687 synhw.minimumXCoord); 6688 printf(" minimumYCoord: %d\n", 6689 synhw.minimumYCoord); 6690 } 6691 if (synhw.capClickPad) { 6692 printf(" Clickpad capabilities:\n"); 6693 printf(" forcePad: %d\n", 6694 synhw.forcePad); 6695 printf(" topButtonPad: %d\n", 6696 synhw.topButtonPad); 6697 } 6698 } 6699 buttons += synhw.capClickPad; 6700 } 6701 } 6702 6703 if (verbose >= 2) { 6704 if (synhw.capExtended) 6705 printf(" Additional Buttons: %d\n", buttons); 6706 else 6707 printf(" No extended capabilities\n"); 6708 } 6709 6710 /* 6711 * Add the default number of 3 buttons to the total 6712 * count of supported buttons reported above. 6713 */ 6714 buttons += 3; 6715 6716 /* 6717 * Read the mode byte. 6718 * 6719 * XXX: Note the Synaptics documentation also defines the first 6720 * byte of the response to this query to be a constant 0x3b, this 6721 * does not appear to be true for Touchpads with guest devices. 6722 */ 6723 if (mouse_ext_command(kbdc, SYNAPTICS_READ_MODES) == 0) 6724 return (FALSE); 6725 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6726 return (FALSE); 6727 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6728 printf(" Failed to read mode byte\n"); 6729 return (FALSE); 6730 } 6731 6732 if (arg == PROBE) 6733 sc->synhw = synhw; 6734 if (!synaptics_support) 6735 return (FALSE); 6736 6737 /* Set mouse type just now for synaptics_set_mode() */ 6738 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6739 6740 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6741 6742 if (trackpoint_support && synhw.capPassthrough) { 6743 enable_trackpoint(sc, arg); 6744 } 6745 6746 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6747 6748 if (arg == PROBE) { 6749 /* Create sysctl tree. */ 6750 synaptics_sysctl_create_tree(sc, "synaptics", 6751 "Synaptics TouchPad"); 6752 sc->hw.buttons = buttons; 6753 } 6754 6755 return (TRUE); 6756 } 6757 6758 static void 6759 synaptics_passthrough_on(struct psm_softc *sc) 6760 { 6761 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6762 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6763 } 6764 6765 static void 6766 synaptics_passthrough_off(struct psm_softc *sc) 6767 { 6768 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6769 set_mouse_scaling(sc->kbdc, 2); 6770 set_mouse_scaling(sc->kbdc, 1); 6771 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6772 } 6773 6774 /* IBM/Lenovo TrackPoint */ 6775 static int 6776 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6777 { 6778 const int seq[] = { 0xe2, cmd, loc, val }; 6779 int i; 6780 6781 if (sc->synhw.capPassthrough) 6782 synaptics_passthrough_on(sc); 6783 6784 for (i = 0; i < nitems(seq); i++) { 6785 if (sc->synhw.capPassthrough && 6786 (seq[i] == 0xff || seq[i] == 0xe7)) 6787 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6788 synaptics_passthrough_off(sc); 6789 return (EIO); 6790 } 6791 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6792 if (sc->synhw.capPassthrough) 6793 synaptics_passthrough_off(sc); 6794 return (EIO); 6795 } 6796 } 6797 6798 if (sc->synhw.capPassthrough) 6799 synaptics_passthrough_off(sc); 6800 6801 return (0); 6802 } 6803 6804 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6805 #define TPMASK 0 6806 #define TPLOC 1 6807 #define TPINFO 2 6808 6809 static int 6810 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6811 { 6812 static const int data[][3] = { 6813 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6814 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6815 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6816 { 0x00, 0x57, PSM_TPINFO(reach) }, 6817 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6818 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6819 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6820 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6821 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6822 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6823 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6824 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6825 }; 6826 struct psm_softc *sc; 6827 int error, newval, *oldvalp; 6828 const int *tp; 6829 6830 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6831 return (EINVAL); 6832 sc = arg1; 6833 tp = data[arg2]; 6834 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6835 newval = *oldvalp; 6836 error = sysctl_handle_int(oidp, &newval, 0, req); 6837 if (error != 0) 6838 return (error); 6839 if (newval == *oldvalp) 6840 return (0); 6841 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6842 return (EINVAL); 6843 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6844 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6845 if (error != 0) 6846 return (error); 6847 *oldvalp = newval; 6848 6849 return (0); 6850 } 6851 6852 static void 6853 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6854 { 6855 6856 if (sc->tpinfo.sysctl_tree != NULL) 6857 return; 6858 6859 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6860 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6861 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6862 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", 6863 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "IBM/Lenovo TrackPoint"); 6864 6865 /* hw.psm.trackpoint.sensitivity */ 6866 sc->tpinfo.sensitivity = 0x80; 6867 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6868 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6869 "sensitivity", 6870 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6871 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6872 trackpoint_sysctl, "I", 6873 "Sensitivity"); 6874 6875 /* hw.psm.trackpoint.negative_inertia */ 6876 sc->tpinfo.inertia = 0x06; 6877 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6878 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6879 "negative_inertia", 6880 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6881 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6882 trackpoint_sysctl, "I", 6883 "Negative inertia factor"); 6884 6885 /* hw.psm.trackpoint.upper_plateau */ 6886 sc->tpinfo.uplateau = 0x61; 6887 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6888 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6889 "upper_plateau", 6890 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6891 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6892 trackpoint_sysctl, "I", 6893 "Transfer function upper plateau speed"); 6894 6895 /* hw.psm.trackpoint.backup_range */ 6896 sc->tpinfo.reach = 0x0a; 6897 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6898 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6899 "backup_range", 6900 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6901 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6902 trackpoint_sysctl, "I", 6903 "Backup range"); 6904 6905 /* hw.psm.trackpoint.drag_hysteresis */ 6906 sc->tpinfo.draghys = 0xff; 6907 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6908 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6909 "drag_hysteresis", 6910 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6911 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6912 trackpoint_sysctl, "I", 6913 "Drag hysteresis"); 6914 6915 /* hw.psm.trackpoint.minimum_drag */ 6916 sc->tpinfo.mindrag = 0x14; 6917 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6918 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6919 "minimum_drag", 6920 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6921 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6922 trackpoint_sysctl, "I", 6923 "Minimum drag"); 6924 6925 /* hw.psm.trackpoint.up_threshold */ 6926 sc->tpinfo.upthresh = 0xff; 6927 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6928 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6929 "up_threshold", 6930 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6931 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6932 trackpoint_sysctl, "I", 6933 "Up threshold for release"); 6934 6935 /* hw.psm.trackpoint.threshold */ 6936 sc->tpinfo.threshold = 0x08; 6937 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6938 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6939 "threshold", 6940 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6941 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6942 trackpoint_sysctl, "I", 6943 "Threshold"); 6944 6945 /* hw.psm.trackpoint.jenks_curvature */ 6946 sc->tpinfo.jenks = 0x87; 6947 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6948 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6949 "jenks_curvature", 6950 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6951 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6952 trackpoint_sysctl, "I", 6953 "Jenks curvature"); 6954 6955 /* hw.psm.trackpoint.z_time */ 6956 sc->tpinfo.ztime = 0x26; 6957 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6958 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6959 "z_time", 6960 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6961 sc, TRACKPOINT_SYSCTL_Z_TIME, 6962 trackpoint_sysctl, "I", 6963 "Z time constant"); 6964 6965 /* hw.psm.trackpoint.press_to_select */ 6966 sc->tpinfo.pts = 0x00; 6967 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6968 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6969 "press_to_select", 6970 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6971 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6972 trackpoint_sysctl, "I", 6973 "Press to Select"); 6974 6975 /* hw.psm.trackpoint.skip_backups */ 6976 sc->tpinfo.skipback = 0x00; 6977 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6978 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6979 "skip_backups", 6980 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT, 6981 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6982 trackpoint_sysctl, "I", 6983 "Skip backups from drags"); 6984 } 6985 6986 static void 6987 set_trackpoint_parameters(struct psm_softc *sc) 6988 { 6989 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6990 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6991 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6992 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6993 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6994 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6995 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6996 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6997 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6998 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6999 if (sc->tpinfo.pts == 0x01) 7000 trackpoint_command(sc, 0x47, 0x2c, 0x01); 7001 if (sc->tpinfo.skipback == 0x01) 7002 trackpoint_command(sc, 0x47, 0x2d, 0x08); 7003 } 7004 7005 static int 7006 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 7007 { 7008 KBDC kbdc = sc->kbdc; 7009 int vendor, firmware; 7010 7011 /* 7012 * If called from enable_synaptics(), make sure that passthrough 7013 * mode is enabled so we can reach the trackpoint. 7014 * However, passthrough mode must be disabled before setting the 7015 * trackpoint parameters, as rackpoint_command() enables and disables 7016 * passthrough mode on its own. 7017 */ 7018 if (sc->synhw.capPassthrough) 7019 synaptics_passthrough_on(sc); 7020 7021 if (send_aux_command(kbdc, 0xe1) != PSM_ACK) 7022 goto no_trackpoint; 7023 vendor = read_aux_data(kbdc); 7024 if (vendor <= 0 || vendor >= TRACKPOINT_VENDOR_UNKNOWN) 7025 goto no_trackpoint; 7026 firmware = read_aux_data(kbdc); 7027 if (firmware < 0x01) 7028 goto no_trackpoint; 7029 if (!trackpoint_support) 7030 goto no_trackpoint; 7031 7032 if (sc->synhw.capPassthrough) 7033 synaptics_passthrough_off(sc); 7034 7035 if (arg == PROBE) { 7036 trackpoint_sysctl_create_tree(sc); 7037 /* 7038 * Don't overwrite hwid and buttons when we are 7039 * a guest device. 7040 */ 7041 if (!sc->synhw.capPassthrough) { 7042 sc->hw.hwid = firmware; 7043 sc->hw.buttons = 3; 7044 } 7045 VDLOG(2, sc->dev, LOG_NOTICE, "Trackpoint v=0x%x f=0x%x", 7046 vendor, firmware); 7047 sc->tpinfo.vendor = vendor; 7048 sc->tpinfo.firmware = firmware; 7049 } 7050 7051 set_trackpoint_parameters(sc); 7052 7053 return (TRUE); 7054 7055 no_trackpoint: 7056 if (sc->synhw.capPassthrough) 7057 synaptics_passthrough_off(sc); 7058 7059 return (FALSE); 7060 } 7061 7062 /* Interlink electronics VersaPad */ 7063 static int 7064 enable_versapad(struct psm_softc *sc, enum probearg arg) 7065 { 7066 KBDC kbdc = sc->kbdc; 7067 int data[3]; 7068 7069 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 7070 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 7071 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7072 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7073 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7074 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7075 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 7076 return (FALSE); 7077 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 7078 return (FALSE); 7079 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 7080 7081 return (TRUE); /* PS/2 absolute mode */ 7082 } 7083 7084 /* Elantech Touchpad */ 7085 static int 7086 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 7087 { 7088 int res, readcmd, retidx; 7089 int resp[3]; 7090 7091 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 7092 retidx = hwversion == 4 ? 1 : 0; 7093 7094 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7095 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 7096 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7097 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7098 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7099 7100 if (res == 0) 7101 *val = resp[retidx]; 7102 7103 return (res); 7104 } 7105 7106 static int 7107 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 7108 { 7109 int res, writecmd; 7110 7111 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 7112 7113 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7114 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7115 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7116 res |= send_aux_command(kbdc, reg) != PSM_ACK; 7117 if (hwversion == 4) { 7118 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7119 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 7120 } 7121 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7122 res |= send_aux_command(kbdc, val) != PSM_ACK; 7123 res |= set_mouse_scaling(kbdc, 1) == 0; 7124 7125 return (res); 7126 } 7127 7128 static int 7129 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 7130 { 7131 int res; 7132 7133 if (hwversion == 2) { 7134 res = set_mouse_scaling(kbdc, 1) == 0; 7135 res |= mouse_ext_command(kbdc, cmd) == 0; 7136 } else { 7137 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 7138 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 7139 } 7140 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 7141 7142 return (res); 7143 } 7144 7145 static int 7146 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 7147 { 7148 int i, val, res, hwversion, reg10; 7149 7150 /* set absolute mode */ 7151 hwversion = elanhw->hwversion; 7152 reg10 = -1; 7153 switch (hwversion) { 7154 case 2: 7155 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 7156 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7157 if (res) 7158 break; 7159 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 7160 break; 7161 case 3: 7162 reg10 = 0x0b; 7163 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 7164 break; 7165 case 4: 7166 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 7167 break; 7168 default: 7169 res = 1; 7170 } 7171 7172 /* Read back reg 0x10 to ensure hardware is ready. */ 7173 if (res == 0 && reg10 >= 0) { 7174 for (i = 0; i < 5; i++) { 7175 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 7176 break; 7177 DELAY(2000); 7178 } 7179 if (i == 5) 7180 res = 1; 7181 } 7182 7183 if (res) 7184 printf("couldn't set absolute mode\n"); 7185 7186 return (res); 7187 } 7188 7189 static void 7190 elantech_init_synaptics(struct psm_softc *sc) 7191 { 7192 7193 /* Set capabilites required by movement smother */ 7194 sc->synhw.infoMajor = sc->elanhw.hwversion; 7195 sc->synhw.infoMinor = sc->elanhw.fwversion; 7196 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 7197 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 7198 sc->synhw.verticalScroll = 0; 7199 sc->synhw.nExtendedQueries = 4; 7200 sc->synhw.capExtended = 1; 7201 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 7202 sc->synhw.capClickPad = sc->elanhw.isclickpad; 7203 sc->synhw.capMultiFinger = 1; 7204 if (sc->elanhw.issemimt) 7205 sc->synhw.capAdvancedGestures = 1; 7206 else 7207 sc->synhw.capReportsV = 1; 7208 sc->synhw.capPalmDetect = 1; 7209 sc->synhw.capPen = 0; 7210 sc->synhw.capReportsMax = 1; 7211 sc->synhw.maximumXCoord = sc->elanhw.sizex; 7212 sc->synhw.maximumYCoord = sc->elanhw.sizey; 7213 sc->synhw.capReportsMin = 1; 7214 sc->synhw.minimumXCoord = 0; 7215 sc->synhw.minimumYCoord = 0; 7216 7217 if (sc->syninfo.sysctl_tree == NULL) { 7218 synaptics_sysctl_create_tree(sc, "elantech", 7219 "Elantech Touchpad"); 7220 7221 /* 7222 * Adjust synaptic smoother tunables 7223 * 1. Disable finger detection pressure threshold. Unlike 7224 * synaptics we assume the finger is acting when packet with 7225 * its X&Y arrives not when pressure exceedes some threshold 7226 * 2. Disable unrelated features like margins and noisy areas 7227 * 3. Disable virtual scroll areas as 2nd finger is preferable 7228 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 7229 * softbuttons 7230 * 5. Scale down divisors and movement lengths by a factor of 3 7231 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 7232 */ 7233 7234 /* Set reporting range to be equal touchpad size */ 7235 sc->syninfo.max_x = sc->elanhw.sizex; 7236 sc->syninfo.max_y = sc->elanhw.sizey; 7237 7238 /* Disable finger detection pressure threshold */ 7239 sc->syninfo.min_pressure = 1; 7240 7241 /* Adjust palm width to nearly match synaptics w=10 */ 7242 sc->syninfo.max_width = 7; 7243 7244 /* Elans often report double & triple taps as single event */ 7245 sc->syninfo.tap_min_queue = 1; 7246 7247 /* Use full area of touchpad */ 7248 sc->syninfo.margin_top = 0; 7249 sc->syninfo.margin_right = 0; 7250 sc->syninfo.margin_bottom = 0; 7251 sc->syninfo.margin_left = 0; 7252 7253 /* Disable noisy area */ 7254 sc->syninfo.na_top = 0; 7255 sc->syninfo.na_right = 0; 7256 sc->syninfo.na_bottom = 0; 7257 sc->syninfo.na_left = 0; 7258 7259 /* Tune divisors and movement lengths */ 7260 sc->syninfo.weight_len_squared = 200; 7261 sc->syninfo.div_min = 3; 7262 sc->syninfo.div_max = 6; 7263 sc->syninfo.div_max_na = 10; 7264 sc->syninfo.div_len = 30; 7265 sc->syninfo.tap_max_delta = 25; 7266 7267 /* Disable virtual scrolling areas and tune its divisors */ 7268 sc->syninfo.vscroll_hor_area = 0; 7269 sc->syninfo.vscroll_ver_area = 0; 7270 sc->syninfo.vscroll_min_delta = 15; 7271 sc->syninfo.vscroll_div_min = 30; 7272 sc->syninfo.vscroll_div_max = 50; 7273 7274 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 7275 if (sc->elanhw.isclickpad) { 7276 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 7277 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 7278 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 7279 } 7280 } 7281 7282 return; 7283 } 7284 7285 static int 7286 enable_elantech(struct psm_softc *sc, enum probearg arg) 7287 { 7288 static const int ic2hw[] = 7289 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 7290 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }; 7291 static const int fw_sizes[][3] = { 7292 /* FW.vers MaxX MaxY */ 7293 { 0x020030, 1152, 768 }, 7294 { 0x020800, 1152, 768 }, 7295 { 0x020b00, 1152, 768 }, 7296 { 0x040215, 900, 500 }, 7297 { 0x040216, 819, 405 }, 7298 { 0x040219, 900, 500 }, 7299 }; 7300 elantechhw_t elanhw; 7301 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 7302 KBDC kbdc = sc->kbdc; 7303 7304 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 7305 7306 set_mouse_scaling(kbdc, 1); 7307 set_mouse_scaling(kbdc, 1); 7308 set_mouse_scaling(kbdc, 1); 7309 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 7310 return (FALSE); 7311 7312 if (!ELANTECH_MAGIC(resp)) 7313 return (FALSE); 7314 7315 /* Identify the Touchpad version. */ 7316 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 7317 return (FALSE); 7318 7319 bzero(&elanhw, sizeof(elanhw)); 7320 7321 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 7322 icversion = resp[0] & 0x0f; 7323 hwversion = ic2hw[icversion]; 7324 7325 if (verbose >= 2) 7326 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 7327 hwversion, elanhw.fwversion); 7328 7329 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 7330 printf (" Unsupported touchpad hardware (v1)\n"); 7331 return (FALSE); 7332 } 7333 if (hwversion == 0) { 7334 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 7335 elanhw.fwversion); 7336 return (FALSE); 7337 } 7338 7339 /* Get the Touchpad model information. */ 7340 elanhw.hwversion = hwversion; 7341 elanhw.issemimt = hwversion == 2; 7342 elanhw.isclickpad = (resp[1] & 0x10) != 0; 7343 elanhw.hascrc = (resp[1] & 0x40) != 0; 7344 elanhw.haspressure = elanhw.fwversion >= 0x020800; 7345 7346 /* Read the capability bits. */ 7347 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 7348 printf(" Failed to read capability bits\n"); 7349 return (FALSE); 7350 } 7351 7352 elanhw.ntracesx = imax(resp[1], 3); 7353 elanhw.ntracesy = imax(resp[2], 3); 7354 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 7355 7356 /* Get the touchpad resolution */ 7357 switch (hwversion) { 7358 case 4: 7359 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 7360 == 0) { 7361 dpix = (resp[1] & 0x0f) * 10 + 790; 7362 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 7363 elanhw.dpmmx = (dpix * 10 + 5) / 254; 7364 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 7365 break; 7366 } 7367 /* FALLTHROUGH */ 7368 case 2: 7369 case 3: 7370 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 7371 break; 7372 } 7373 7374 if (!elantech_support) 7375 return (FALSE); 7376 7377 if (elantech_init(kbdc, &elanhw)) { 7378 printf("couldn't initialize elantech touchpad\n"); 7379 return (FALSE); 7380 } 7381 7382 /* 7383 * Get the touchpad reporting range. 7384 * On HW v.3 touchpads it should be done after switching hardware 7385 * to real resolution mode (by setting bit 3 of reg10) 7386 */ 7387 elanhw.dptracex = elanhw.dptracey = 64; 7388 for (i = 0; i < nitems(fw_sizes); i++) { 7389 if (elanhw.fwversion == fw_sizes[i][0]) { 7390 elanhw.sizex = fw_sizes[i][1]; 7391 elanhw.sizey = fw_sizes[i][2]; 7392 goto found; 7393 } 7394 } 7395 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 7396 printf(" Failed to read touchpad size\n"); 7397 elanhw.sizex = 10000; /* Arbitrary high values to */ 7398 elanhw.sizey = 10000; /* prevent clipping in smoother */ 7399 } else if (hwversion == 2) { 7400 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 7401 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 7402 elanhw.dptracex = resp[1] / 2; 7403 elanhw.dptracey = resp[2] / 2; 7404 } 7405 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 7406 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 7407 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 7408 } else { 7409 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 7410 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 7411 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 7412 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 7413 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 7414 } 7415 found: 7416 if (verbose >= 2) { 7417 printf(" Model information:\n"); 7418 printf(" MaxX: %d\n", elanhw.sizex); 7419 printf(" MaxY: %d\n", elanhw.sizey); 7420 printf(" DpmmX: %d\n", elanhw.dpmmx); 7421 printf(" DpmmY: %d\n", elanhw.dpmmy); 7422 printf(" TracesX: %d\n", elanhw.ntracesx); 7423 printf(" TracesY: %d\n", elanhw.ntracesy); 7424 printf(" DptraceX: %d\n", elanhw.dptracex); 7425 printf(" DptraceY: %d\n", elanhw.dptracey); 7426 printf(" SemiMT: %d\n", elanhw.issemimt); 7427 printf(" Clickpad: %d\n", elanhw.isclickpad); 7428 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 7429 printf(" CRC: %d\n", elanhw.hascrc); 7430 printf(" Pressure: %d\n", elanhw.haspressure); 7431 } 7432 7433 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 7434 7435 if (arg == PROBE) { 7436 sc->elanhw = elanhw; 7437 sc->hw.buttons = 3; 7438 7439 /* Initialize synaptics movement smoother */ 7440 elantech_init_synaptics(sc); 7441 7442 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 7443 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 7444 } 7445 7446 return (TRUE); 7447 } 7448 7449 /* 7450 * Return true if 'now' is earlier than (start + (secs.usecs)). 7451 * Now may be NULL and the function will fetch the current time from 7452 * getmicrouptime(), or a cached 'now' can be passed in. 7453 * All values should be numbers derived from getmicrouptime(). 7454 */ 7455 static int 7456 timeelapsed(const struct timeval *start, int secs, int usecs, 7457 const struct timeval *now) 7458 { 7459 struct timeval snow, tv; 7460 7461 /* if there is no 'now' passed in, the get it as a convience. */ 7462 if (now == NULL) { 7463 getmicrouptime(&snow); 7464 now = &snow; 7465 } 7466 7467 tv.tv_sec = secs; 7468 tv.tv_usec = usecs; 7469 timevaladd(&tv, start); 7470 return (timevalcmp(&tv, now, <)); 7471 } 7472 7473 static int 7474 psmresume(device_t dev) 7475 { 7476 struct psm_softc *sc = device_get_softc(dev); 7477 int err; 7478 7479 VDLOG(2, dev, LOG_NOTICE, "system resume hook called.\n"); 7480 7481 if ((sc->config & 7482 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 7483 return (0); 7484 7485 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 7486 7487 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 7488 /* 7489 * Release the blocked process; it must be notified that 7490 * the device cannot be accessed anymore. 7491 */ 7492 sc->state &= ~PSM_ASLP; 7493 wakeup(sc); 7494 } 7495 7496 VDLOG(2, dev, LOG_DEBUG, "system resume hook exiting.\n"); 7497 7498 return (err); 7499 } 7500 7501 DRIVER_MODULE(psm, atkbdc, psm_driver, 0, 0); 7502 #ifdef EVDEV_SUPPORT 7503 MODULE_DEPEND(psm, evdev, 1, 1, 1); 7504 #endif 7505 7506 #ifdef DEV_ISA 7507 7508 /* 7509 * This sucks up assignments from PNPBIOS and ACPI. 7510 */ 7511 7512 /* 7513 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 7514 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 7515 * can be probed and attached only after the AT keyboard controller is 7516 * attached, we shall quietly reserve the IRQ resource for later use. 7517 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 7518 * copy the IRQ resource to the PS/2 mouse device instance hanging 7519 * under the keyboard controller, then probe and attach it. 7520 */ 7521 7522 static device_probe_t psmcpnp_probe; 7523 static device_attach_t psmcpnp_attach; 7524 7525 static device_method_t psmcpnp_methods[] = { 7526 DEVMETHOD(device_probe, psmcpnp_probe), 7527 DEVMETHOD(device_attach, psmcpnp_attach), 7528 { 0, 0 } 7529 }; 7530 7531 static driver_t psmcpnp_driver = { 7532 PSMCPNP_DRIVER_NAME, 7533 psmcpnp_methods, 7534 sizeof(struct psmcpnp_softc), 7535 }; 7536 7537 static struct isa_pnp_id psmcpnp_ids[] = { 7538 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7539 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7540 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7541 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7542 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7543 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7544 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7545 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7546 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7547 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7548 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7549 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7550 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7551 { 0 } 7552 }; 7553 7554 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7555 static struct isa_pnp_id topbtpad_ids[] = { 7556 { 0x1700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0017, ThinkPad */ 7557 { 0x1800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0018, ThinkPad */ 7558 { 0x1900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0019, ThinkPad */ 7559 { 0x2300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0023, ThinkPad */ 7560 { 0x2a00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002a, ThinkPad */ 7561 { 0x2b00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002b, ThinkPad */ 7562 { 0x2c00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002c, ThinkPad */ 7563 { 0x2d00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002d, ThinkPad */ 7564 { 0x2e00ae30, "Lenovo PS/2 clickpad port" }, /* LEN002e, ThinkPad */ 7565 { 0x3300ae30, "Lenovo PS/2 clickpad port" }, /* LEN0033, ThinkPad */ 7566 { 0x3400ae30, "Lenovo PS/2 clickpad port" }, /* LEN0034, ThinkPad */ 7567 { 0x3500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0035, ThinkPad */ 7568 { 0x3600ae30, "Lenovo PS/2 clickpad port" }, /* LEN0036, ThinkPad */ 7569 { 0x3700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0037, ThinkPad */ 7570 { 0x3800ae30, "Lenovo PS/2 clickpad port" }, /* LEN0038, ThinkPad */ 7571 { 0x3900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0039, ThinkPad */ 7572 { 0x4100ae30, "Lenovo PS/2 clickpad port" }, /* LEN0041, ThinkPad */ 7573 { 0x4200ae30, "Lenovo PS/2 clickpad port" }, /* LEN0042, ThinkPad */ 7574 { 0x4500ae30, "Lenovo PS/2 clickpad port" }, /* LEN0045, ThinkPad */ 7575 { 0x4700ae30, "Lenovo PS/2 clickpad port" }, /* LEN0047, ThinkPad */ 7576 { 0x4900ae30, "Lenovo PS/2 clickpad port" }, /* LEN0049, ThinkPad */ 7577 { 0x0020ae30, "Lenovo PS/2 clickpad port" }, /* LEN2000, ThinkPad */ 7578 { 0x0120ae30, "Lenovo PS/2 clickpad port" }, /* LEN2001, ThinkPad */ 7579 { 0x0220ae30, "Lenovo PS/2 clickpad port" }, /* LEN2002, ThinkPad */ 7580 { 0x0320ae30, "Lenovo PS/2 clickpad port" }, /* LEN2003, ThinkPad */ 7581 { 0x0420ae30, "Lenovo PS/2 clickpad port" }, /* LEN2004, ThinkPad */ 7582 { 0x0520ae30, "Lenovo PS/2 clickpad port" }, /* LEN2005, ThinkPad */ 7583 { 0x0620ae30, "Lenovo PS/2 clickpad port" }, /* LEN2006, ThinkPad */ 7584 { 0x0720ae30, "Lenovo PS/2 clickpad port" }, /* LEN2007, ThinkPad */ 7585 { 0x0820ae30, "Lenovo PS/2 clickpad port" }, /* LEN2008, ThinkPad */ 7586 { 0x0920ae30, "Lenovo PS/2 clickpad port" }, /* LEN2009, ThinkPad */ 7587 { 0x0a20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200a, ThinkPad */ 7588 { 0x0b20ae30, "Lenovo PS/2 clickpad port" }, /* LEN200b, ThinkPad */ 7589 { 0 } 7590 }; 7591 7592 /* _HID list for quirk detection. Any device below has _CID from psmcpnp_ids */ 7593 static struct isa_pnp_id forcepad_ids[] = { 7594 { 0x0d302e4f, "HP PS/2 forcepad port" }, /* SYN300D, EB 1040 */ 7595 { 0x14302e4f, "HP PS/2 forcepad port" }, /* SYN3014, EB 1040 */ 7596 { 0 } 7597 }; 7598 7599 static int 7600 create_a_copy(device_t atkbdc, device_t me) 7601 { 7602 device_t psm; 7603 u_long irq; 7604 7605 /* find the PS/2 mouse device instance under the keyboard controller */ 7606 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7607 device_get_unit(atkbdc)); 7608 if (psm == NULL) 7609 return (ENXIO); 7610 if (device_get_state(psm) != DS_NOTPRESENT) 7611 return (0); 7612 7613 /* move our resource to the found device */ 7614 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7615 bus_delete_resource(me, SYS_RES_IRQ, 0); 7616 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7617 7618 /* ...then probe and attach it */ 7619 return (device_probe_and_attach(psm)); 7620 } 7621 7622 static int 7623 psmcpnp_probe(device_t dev) 7624 { 7625 struct psmcpnp_softc *sc = device_get_softc(dev); 7626 struct resource *res; 7627 u_long irq; 7628 int rid; 7629 7630 if (ISA_PNP_PROBE(device_get_parent(dev), dev, forcepad_ids) == 0) 7631 sc->type = PSMCPNP_FORCEPAD; 7632 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, topbtpad_ids) == 0) 7633 sc->type = PSMCPNP_TOPBUTTONPAD; 7634 else if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids) == 0) 7635 sc->type = PSMCPNP_GENERIC; 7636 else 7637 return (ENXIO); 7638 7639 /* 7640 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7641 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7642 * declares the PS/2 mouse device node without an IRQ resource! 7643 * If this happens, we shall refer to device hints. 7644 * If we still don't find it there, use a hardcoded value... XXX 7645 */ 7646 rid = 0; 7647 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7648 if (irq <= 0) { 7649 if (resource_long_value(PSM_DRIVER_NAME, 7650 device_get_unit(dev),"irq", &irq) != 0) 7651 irq = 12; /* XXX */ 7652 device_printf(dev, "irq resource info is missing; " 7653 "assuming irq %ld\n", irq); 7654 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7655 } 7656 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7657 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7658 7659 /* keep quiet */ 7660 if (!bootverbose) 7661 device_quiet(dev); 7662 7663 return ((res == NULL) ? ENXIO : 0); 7664 } 7665 7666 static int 7667 psmcpnp_attach(device_t dev) 7668 { 7669 device_t atkbdc; 7670 7671 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7672 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7673 device_get_unit(dev)); 7674 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7675 create_a_copy(atkbdc, dev); 7676 7677 return (0); 7678 } 7679 7680 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, 0, 0); 7681 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, 0, 0); 7682 ISA_PNP_INFO(psmcpnp_ids); 7683 #endif /* DEV_ISA */ 7684