1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD$"); 63 64 #include "opt_isa.h" 65 #include "opt_psm.h" 66 #include "opt_evdev.h" 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/kernel.h> 71 #include <sys/module.h> 72 #include <sys/bus.h> 73 #include <sys/conf.h> 74 #include <sys/filio.h> 75 #include <sys/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) 118 119 #ifndef PSM_INPUT_TIMEOUT 120 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 121 #endif 122 123 #ifndef PSM_TAP_TIMEOUT 124 #define PSM_TAP_TIMEOUT 125000 125 #endif 126 127 #ifndef PSM_TAP_THRESHOLD 128 #define PSM_TAP_THRESHOLD 25 129 #endif 130 131 /* end of driver specific options */ 132 133 #define PSMCPNP_DRIVER_NAME "psmcpnp" 134 135 /* input queue */ 136 #define PSM_BUFSIZE 960 137 #define PSM_SMALLBUFSIZE 240 138 139 /* operation levels */ 140 #define PSM_LEVEL_BASE 0 141 #define PSM_LEVEL_STANDARD 1 142 #define PSM_LEVEL_NATIVE 2 143 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 144 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 145 146 /* Logitech PS2++ protocol */ 147 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 148 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 149 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 150 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 151 152 /* ring buffer */ 153 typedef struct ringbuf { 154 int count; /* # of valid elements in the buffer */ 155 int head; /* head pointer */ 156 int tail; /* tail poiner */ 157 u_char buf[PSM_BUFSIZE]; 158 } ringbuf_t; 159 160 /* data buffer */ 161 typedef struct packetbuf { 162 u_char ipacket[16]; /* interim input buffer */ 163 int inputbytes; /* # of bytes in the input buffer */ 164 } packetbuf_t; 165 166 #ifndef PSM_PACKETQUEUE 167 #define PSM_PACKETQUEUE 128 168 #endif 169 170 typedef struct synapticsinfo { 171 struct sysctl_ctx_list sysctl_ctx; 172 struct sysctl_oid *sysctl_tree; 173 int directional_scrolls; 174 int two_finger_scroll; 175 int min_pressure; 176 int max_pressure; 177 int max_width; 178 int margin_top; 179 int margin_right; 180 int margin_bottom; 181 int margin_left; 182 int na_top; 183 int na_right; 184 int na_bottom; 185 int na_left; 186 int window_min; 187 int window_max; 188 int multiplicator; 189 int weight_current; 190 int weight_previous; 191 int weight_previous_na; 192 int weight_len_squared; 193 int div_min; 194 int div_max; 195 int div_max_na; 196 int div_len; 197 int tap_max_delta; 198 int tap_min_queue; 199 int taphold_timeout; 200 int vscroll_ver_area; 201 int vscroll_hor_area; 202 int vscroll_min_delta; 203 int vscroll_div_min; 204 int vscroll_div_max; 205 int touchpad_off; 206 int softbuttons_y; 207 int softbutton2_x; 208 int softbutton3_x; 209 int max_x; 210 int max_y; 211 } synapticsinfo_t; 212 213 typedef struct synapticspacket { 214 int x; 215 int y; 216 } synapticspacket_t; 217 218 #define SYNAPTICS_PACKETQUEUE 10 219 #define SYNAPTICS_QUEUE_CURSOR(x) \ 220 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 221 222 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 223 ((synhw).infoMajor > (major) || \ 224 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 225 226 typedef struct smoother { 227 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 228 int queue_len; 229 int queue_cursor; 230 int start_x; 231 int start_y; 232 int avg_dx; 233 int avg_dy; 234 int squelch_x; 235 int squelch_y; 236 int is_fuzzy; 237 int active; 238 } smoother_t; 239 240 typedef struct gesture { 241 int window_min; 242 int fingers_nb; 243 int tap_button; 244 int in_taphold; 245 int in_vscroll; 246 int zmax; /* maximum pressure value */ 247 struct timeval taptimeout; /* tap timeout for touchpads */ 248 } gesture_t; 249 250 enum { 251 TRACKPOINT_SYSCTL_SENSITIVITY, 252 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 253 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 254 TRACKPOINT_SYSCTL_BACKUP_RANGE, 255 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 256 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 257 TRACKPOINT_SYSCTL_UP_THRESHOLD, 258 TRACKPOINT_SYSCTL_THRESHOLD, 259 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 260 TRACKPOINT_SYSCTL_Z_TIME, 261 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 262 TRACKPOINT_SYSCTL_SKIP_BACKUPS 263 }; 264 265 typedef struct trackpointinfo { 266 struct sysctl_ctx_list sysctl_ctx; 267 struct sysctl_oid *sysctl_tree; 268 int sensitivity; 269 int inertia; 270 int uplateau; 271 int reach; 272 int draghys; 273 int mindrag; 274 int upthresh; 275 int threshold; 276 int jenks; 277 int ztime; 278 int pts; 279 int skipback; 280 } trackpointinfo_t; 281 282 typedef struct finger { 283 int x; 284 int y; 285 int p; 286 int w; 287 int flags; 288 } finger_t; 289 #define PSM_FINGERS 2 /* # of processed fingers */ 290 #define PSM_FINGER_IS_PEN (1<<0) 291 #define PSM_FINGER_FUZZY (1<<1) 292 #define PSM_FINGER_DEFAULT_P tap_threshold 293 #define PSM_FINGER_DEFAULT_W 1 294 #define PSM_FINGER_IS_SET(f) ((f).x != -1 && (f).y != -1 && (f).p != 0) 295 #define PSM_FINGER_RESET(f) do { \ 296 (f) = (finger_t) { .x = -1, .y = -1, .p = 0, .w = 0, .flags = 0 }; \ 297 } while (0) 298 299 typedef struct elantechhw { 300 int hwversion; 301 int fwversion; 302 int sizex; 303 int sizey; 304 int dpmmx; 305 int dpmmy; 306 int ntracesx; 307 int ntracesy; 308 int dptracex; 309 int dptracey; 310 int issemimt; 311 int isclickpad; 312 int hascrc; 313 int hastrackpoint; 314 int haspressure; 315 } elantechhw_t; 316 317 /* minimum versions supported by this driver */ 318 #define ELANTECH_HW_IS_V1(fwver) ((fwver) < 0x020030 || (fwver) == 0x020600) 319 320 #define ELANTECH_MAGIC(magic) \ 321 ((magic)[0] == 0x3c && (magic)[1] == 0x03 && \ 322 ((magic)[2] == 0xc8 || (magic)[2] == 0x00)) 323 324 #define ELANTECH_FW_ID 0x00 325 #define ELANTECH_FW_VERSION 0x01 326 #define ELANTECH_CAPABILITIES 0x02 327 #define ELANTECH_SAMPLE 0x03 328 #define ELANTECH_RESOLUTION 0x04 329 #define ELANTECH_REG_READ 0x10 330 #define ELANTECH_REG_WRITE 0x11 331 #define ELANTECH_REG_RDWR 0x00 332 #define ELANTECH_CUSTOM_CMD 0xf8 333 334 #ifdef EVDEV_SUPPORT 335 #define ELANTECH_MAX_FINGERS 5 336 #else 337 #define ELANTECH_MAX_FINGERS PSM_FINGERS 338 #endif 339 340 #define ELANTECH_FINGER_MAX_P 255 341 #define ELANTECH_FINGER_MAX_W 15 342 #define ELANTECH_FINGER_SET_XYP(pb) (finger_t) { \ 343 .x = (((pb)->ipacket[1] & 0x0f) << 8) | (pb)->ipacket[2], \ 344 .y = (((pb)->ipacket[4] & 0x0f) << 8) | (pb)->ipacket[5], \ 345 .p = ((pb)->ipacket[1] & 0xf0) | (((pb)->ipacket[4] >> 4) & 0x0f), \ 346 .w = PSM_FINGER_DEFAULT_W, \ 347 .flags = 0 \ 348 } 349 350 enum { 351 ELANTECH_PKT_NOP, 352 ELANTECH_PKT_TRACKPOINT, 353 ELANTECH_PKT_V2_COMMON, 354 ELANTECH_PKT_V2_2FINGER, 355 ELANTECH_PKT_V3, 356 ELANTECH_PKT_V4_STATUS, 357 ELANTECH_PKT_V4_HEAD, 358 ELANTECH_PKT_V4_MOTION 359 }; 360 361 #define ELANTECH_PKT_IS_TRACKPOINT(pb) (((pb)->ipacket[3] & 0x0f) == 0x06) 362 #define ELANTECH_PKT_IS_DEBOUNCE(pb, hwversion) ((hwversion) == 4 ? 0 : \ 363 (pb)->ipacket[0] == ((hwversion) == 2 ? 0x84 : 0xc4) && \ 364 (pb)->ipacket[1] == 0xff && (pb)->ipacket[2] == 0xff && \ 365 (pb)->ipacket[3] == 0x02 && (pb)->ipacket[4] == 0xff && \ 366 (pb)->ipacket[5] == 0xff) 367 #define ELANTECH_PKT_IS_V2(pb) \ 368 (((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x0f) == 0x02) 369 #define ELANTECH_PKT_IS_V3_HEAD(pb, hascrc) ((hascrc) ? \ 370 ((pb)->ipacket[3] & 0x09) == 0x08 : \ 371 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0xcf) == 0x02) 372 #define ELANTECH_PKT_IS_V3_TAIL(pb, hascrc) ((hascrc) ? \ 373 ((pb)->ipacket[3] & 0x09) == 0x09 : \ 374 ((pb)->ipacket[0] & 0x0c) == 0x0c && ((pb)->ipacket[3] & 0xce) == 0x0c) 375 #define ELANTECH_PKT_IS_V4(pb, hascrc) ((hascrc) ? \ 376 ((pb)->ipacket[3] & 0x08) == 0x00 : \ 377 ((pb)->ipacket[0] & 0x0c) == 0x04 && ((pb)->ipacket[3] & 0x1c) == 0x10) 378 379 typedef struct elantechaction { 380 finger_t fingers[ELANTECH_MAX_FINGERS]; 381 int mask; 382 int mask_v4wait; 383 } elantechaction_t; 384 385 /* driver control block */ 386 struct psm_softc { /* Driver status information */ 387 int unit; 388 struct selinfo rsel; /* Process selecting for Input */ 389 u_char state; /* Mouse driver state */ 390 int config; /* driver configuration flags */ 391 int flags; /* other flags */ 392 KBDC kbdc; /* handle to access kbd controller */ 393 struct resource *intr; /* IRQ resource */ 394 void *ih; /* interrupt handle */ 395 mousehw_t hw; /* hardware information */ 396 synapticshw_t synhw; /* Synaptics hardware information */ 397 synapticsinfo_t syninfo; /* Synaptics configuration */ 398 smoother_t smoother[PSM_FINGERS]; /* Motion smoothing */ 399 gesture_t gesture; /* Gesture context */ 400 elantechhw_t elanhw; /* Elantech hardware information */ 401 elantechaction_t elanaction; /* Elantech action context */ 402 int tphw; /* TrackPoint hardware information */ 403 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 404 mousemode_t mode; /* operation mode */ 405 mousemode_t dflt_mode; /* default operation mode */ 406 mousestatus_t status; /* accumulated mouse movement */ 407 ringbuf_t queue; /* mouse status queue */ 408 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 409 int pqueue_start; /* start of data in queue */ 410 int pqueue_end; /* end of data in queue */ 411 int button; /* the latest button state */ 412 int xold; /* previous absolute X position */ 413 int yold; /* previous absolute Y position */ 414 int xaverage; /* average X position */ 415 int yaverage; /* average Y position */ 416 int squelch; /* level to filter movement at low speed */ 417 int syncerrors; /* # of bytes discarded to synchronize */ 418 int pkterrors; /* # of packets failed during quaranteen. */ 419 struct timeval inputtimeout; 420 struct timeval lastsoftintr; /* time of last soft interrupt */ 421 struct timeval lastinputerr; /* time last sync error happened */ 422 struct timeval idletimeout; 423 packetbuf_t idlepacket; /* packet to send after idle timeout */ 424 int watchdog; /* watchdog timer flag */ 425 struct callout callout; /* watchdog timer call out */ 426 struct callout softcallout; /* buffer timer call out */ 427 struct cdev *dev; 428 struct cdev *bdev; 429 int lasterr; 430 int cmdcount; 431 struct sigio *async; /* Processes waiting for SIGIO */ 432 int extended_buttons; 433 #ifdef EVDEV_SUPPORT 434 struct evdev_dev *evdev_a; /* Absolute reporting device */ 435 struct evdev_dev *evdev_r; /* Relative reporting device */ 436 #endif 437 }; 438 static devclass_t psm_devclass; 439 440 /* driver state flags (state) */ 441 #define PSM_VALID 0x80 442 #define PSM_OPEN 1 /* Device is open */ 443 #define PSM_ASLP 2 /* Waiting for mouse data */ 444 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 445 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 446 #define PSM_EV_OPEN_R 0x10 /* Relative evdev device is open */ 447 #define PSM_EV_OPEN_A 0x20 /* Absolute evdev device is open */ 448 449 /* driver configuration flags (config) */ 450 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 451 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 452 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 453 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 454 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 455 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 456 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 457 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 458 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 459 460 #define PSM_CONFIG_FLAGS \ 461 (PSM_CONFIG_RESOLUTION | \ 462 PSM_CONFIG_ACCEL | \ 463 PSM_CONFIG_NOCHECKSYNC | \ 464 PSM_CONFIG_NOIDPROBE | \ 465 PSM_CONFIG_NORESET | \ 466 PSM_CONFIG_FORCETAP | \ 467 PSM_CONFIG_IGNPORTERROR | \ 468 PSM_CONFIG_HOOKRESUME | \ 469 PSM_CONFIG_INITAFTERSUSPEND) 470 471 /* other flags (flags) */ 472 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 473 474 #define kbdcp(p) ((atkbdc_softc_t *)(p)) 475 #define ALWAYS_RESTORE_CONTROLLER(kbdc) !(kbdcp(kbdc)->quirks \ 476 & KBDC_QUIRK_KEEP_ACTIVATED) 477 478 /* Tunables */ 479 static int tap_enabled = -1; 480 static int verbose = PSM_DEBUG; 481 static int synaptics_support = 0; 482 static int trackpoint_support = 0; 483 static int elantech_support = 0; 484 485 /* for backward compatibility */ 486 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 487 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 488 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 489 490 typedef struct old_mousehw { 491 int buttons; 492 int iftype; 493 int type; 494 int hwid; 495 } old_mousehw_t; 496 497 typedef struct old_mousemode { 498 int protocol; 499 int rate; 500 int resolution; 501 int accelfactor; 502 } old_mousemode_t; 503 504 #define SYN_OFFSET(field) offsetof(struct psm_softc, syninfo.field) 505 enum { 506 SYNAPTICS_SYSCTL_MIN_PRESSURE = SYN_OFFSET(min_pressure), 507 SYNAPTICS_SYSCTL_MAX_PRESSURE = SYN_OFFSET(max_pressure), 508 SYNAPTICS_SYSCTL_MAX_WIDTH = SYN_OFFSET(max_width), 509 SYNAPTICS_SYSCTL_MARGIN_TOP = SYN_OFFSET(margin_top), 510 SYNAPTICS_SYSCTL_MARGIN_RIGHT = SYN_OFFSET(margin_right), 511 SYNAPTICS_SYSCTL_MARGIN_BOTTOM = SYN_OFFSET(margin_bottom), 512 SYNAPTICS_SYSCTL_MARGIN_LEFT = SYN_OFFSET(margin_left), 513 SYNAPTICS_SYSCTL_NA_TOP = SYN_OFFSET(na_top), 514 SYNAPTICS_SYSCTL_NA_RIGHT = SYN_OFFSET(na_right), 515 SYNAPTICS_SYSCTL_NA_BOTTOM = SYN_OFFSET(na_bottom), 516 SYNAPTICS_SYSCTL_NA_LEFT = SYN_OFFSET(na_left), 517 SYNAPTICS_SYSCTL_WINDOW_MIN = SYN_OFFSET(window_min), 518 SYNAPTICS_SYSCTL_WINDOW_MAX = SYN_OFFSET(window_max), 519 SYNAPTICS_SYSCTL_MULTIPLICATOR = SYN_OFFSET(multiplicator), 520 SYNAPTICS_SYSCTL_WEIGHT_CURRENT = SYN_OFFSET(weight_current), 521 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS = SYN_OFFSET(weight_previous), 522 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA = SYN_OFFSET(weight_previous_na), 523 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED = SYN_OFFSET(weight_len_squared), 524 SYNAPTICS_SYSCTL_DIV_MIN = SYN_OFFSET(div_min), 525 SYNAPTICS_SYSCTL_DIV_MAX = SYN_OFFSET(div_max), 526 SYNAPTICS_SYSCTL_DIV_MAX_NA = SYN_OFFSET(div_max_na), 527 SYNAPTICS_SYSCTL_DIV_LEN = SYN_OFFSET(div_len), 528 SYNAPTICS_SYSCTL_TAP_MAX_DELTA = SYN_OFFSET(tap_max_delta), 529 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE = SYN_OFFSET(tap_min_queue), 530 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT = SYN_OFFSET(taphold_timeout), 531 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA = SYN_OFFSET(vscroll_hor_area), 532 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA = SYN_OFFSET(vscroll_ver_area), 533 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA = SYN_OFFSET(vscroll_min_delta), 534 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN = SYN_OFFSET(vscroll_div_min), 535 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX = SYN_OFFSET(vscroll_div_max), 536 SYNAPTICS_SYSCTL_TOUCHPAD_OFF = SYN_OFFSET(touchpad_off), 537 SYNAPTICS_SYSCTL_SOFTBUTTONS_Y = SYN_OFFSET(softbuttons_y), 538 SYNAPTICS_SYSCTL_SOFTBUTTON2_X = SYN_OFFSET(softbutton2_x), 539 SYNAPTICS_SYSCTL_SOFTBUTTON3_X = SYN_OFFSET(softbutton3_x), 540 }; 541 542 /* packet formatting function */ 543 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 544 mousestatus_t *); 545 546 /* function prototypes */ 547 static void psmidentify(driver_t *, device_t); 548 static int psmprobe(device_t); 549 static int psmattach(device_t); 550 static int psmdetach(device_t); 551 static int psmresume(device_t); 552 553 static d_open_t psm_cdev_open; 554 static d_close_t psm_cdev_close; 555 static d_read_t psmread; 556 static d_write_t psmwrite; 557 static d_ioctl_t psmioctl; 558 static d_poll_t psmpoll; 559 560 static int psmopen(struct psm_softc *); 561 static int psmclose(struct psm_softc *); 562 563 #ifdef EVDEV_SUPPORT 564 static evdev_open_t psm_ev_open_r; 565 static evdev_close_t psm_ev_close_r; 566 static evdev_open_t psm_ev_open_a; 567 static evdev_close_t psm_ev_close_a; 568 #endif 569 570 static int enable_aux_dev(KBDC); 571 static int disable_aux_dev(KBDC); 572 static int get_mouse_status(KBDC, int *, int, int); 573 static int get_aux_id(KBDC); 574 static int set_mouse_sampling_rate(KBDC, int); 575 static int set_mouse_scaling(KBDC, int); 576 static int set_mouse_resolution(KBDC, int); 577 static int set_mouse_mode(KBDC); 578 static int get_mouse_buttons(KBDC); 579 static int is_a_mouse(int); 580 static void recover_from_error(KBDC); 581 static int restore_controller(KBDC, int); 582 static int doinitialize(struct psm_softc *, mousemode_t *); 583 static int doopen(struct psm_softc *, int); 584 static int reinitialize(struct psm_softc *, int); 585 static char *model_name(int); 586 static void psmsoftintr(void *); 587 static void psmsoftintridle(void *); 588 static void psmintr(void *); 589 static void psmtimeout(void *); 590 static int timeelapsed(const struct timeval *, int, int, 591 const struct timeval *); 592 static void dropqueue(struct psm_softc *); 593 static void flushpackets(struct psm_softc *); 594 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 595 mousestatus_t *, int *, int *, int *); 596 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 597 mousestatus_t *, int *, int *, int *); 598 static void proc_versapad(struct psm_softc *, packetbuf_t *, 599 mousestatus_t *, int *, int *, int *); 600 static int proc_elantech(struct psm_softc *, packetbuf_t *, 601 mousestatus_t *, int *, int *, int *); 602 static int psmpalmdetect(struct psm_softc *, finger_t *, int); 603 static void psmgestures(struct psm_softc *, finger_t *, int, 604 mousestatus_t *); 605 static void psmsmoother(struct psm_softc *, finger_t *, int, 606 mousestatus_t *, int *, int *); 607 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 608 u_char *); 609 610 /* vendor specific features */ 611 enum probearg { PROBE, REINIT }; 612 typedef int probefunc_t(struct psm_softc *, enum probearg); 613 614 static int mouse_id_proc1(KBDC, int, int, int *); 615 static int mouse_ext_command(KBDC, int); 616 617 static probefunc_t enable_groller; 618 static probefunc_t enable_gmouse; 619 static probefunc_t enable_aglide; 620 static probefunc_t enable_kmouse; 621 static probefunc_t enable_msexplorer; 622 static probefunc_t enable_msintelli; 623 static probefunc_t enable_4dmouse; 624 static probefunc_t enable_4dplus; 625 static probefunc_t enable_mmanplus; 626 static probefunc_t enable_synaptics; 627 static probefunc_t enable_trackpoint; 628 static probefunc_t enable_versapad; 629 static probefunc_t enable_elantech; 630 631 static void set_trackpoint_parameters(struct psm_softc *sc); 632 static void synaptics_passthrough_on(struct psm_softc *sc); 633 static void synaptics_passthrough_off(struct psm_softc *sc); 634 static int synaptics_preferred_mode(struct psm_softc *sc); 635 static void synaptics_set_mode(struct psm_softc *sc, int mode_byte); 636 637 static struct { 638 int model; 639 u_char syncmask; 640 int packetsize; 641 probefunc_t *probefunc; 642 } vendortype[] = { 643 /* 644 * WARNING: the order of probe is very important. Don't mess it 645 * unless you know what you are doing. 646 */ 647 { MOUSE_MODEL_NET, /* Genius NetMouse */ 648 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 649 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 650 0xc8, 6, enable_groller }, 651 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 652 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 653 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 654 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 655 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 656 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 657 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 658 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 659 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 660 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 661 { MOUSE_MODEL_ELANTECH, /* Elantech Touchpad */ 662 0x04, MOUSE_ELANTECH_PACKETSIZE, enable_elantech }, 663 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 664 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 665 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 666 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 667 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 668 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 669 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 670 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 671 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 672 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 673 { MOUSE_MODEL_GENERIC, 674 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 675 }; 676 #define GENERIC_MOUSE_ENTRY (nitems(vendortype) - 1) 677 678 /* device driver declarateion */ 679 static device_method_t psm_methods[] = { 680 /* Device interface */ 681 DEVMETHOD(device_identify, psmidentify), 682 DEVMETHOD(device_probe, psmprobe), 683 DEVMETHOD(device_attach, psmattach), 684 DEVMETHOD(device_detach, psmdetach), 685 DEVMETHOD(device_resume, psmresume), 686 687 { 0, 0 } 688 }; 689 690 static driver_t psm_driver = { 691 PSM_DRIVER_NAME, 692 psm_methods, 693 sizeof(struct psm_softc), 694 }; 695 696 static struct cdevsw psm_cdevsw = { 697 .d_version = D_VERSION, 698 .d_flags = D_NEEDGIANT, 699 .d_open = psm_cdev_open, 700 .d_close = psm_cdev_close, 701 .d_read = psmread, 702 .d_write = psmwrite, 703 .d_ioctl = psmioctl, 704 .d_poll = psmpoll, 705 .d_name = PSM_DRIVER_NAME, 706 }; 707 708 #ifdef EVDEV_SUPPORT 709 static const struct evdev_methods psm_ev_methods_r = { 710 .ev_open = psm_ev_open_r, 711 .ev_close = psm_ev_close_r, 712 }; 713 static const struct evdev_methods psm_ev_methods_a = { 714 .ev_open = psm_ev_open_a, 715 .ev_close = psm_ev_close_a, 716 }; 717 #endif 718 719 /* device I/O routines */ 720 static int 721 enable_aux_dev(KBDC kbdc) 722 { 723 int res; 724 725 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 726 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 727 728 return (res == PSM_ACK); 729 } 730 731 static int 732 disable_aux_dev(KBDC kbdc) 733 { 734 int res; 735 736 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 737 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 738 739 return (res == PSM_ACK); 740 } 741 742 static int 743 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 744 { 745 int cmd; 746 int res; 747 int i; 748 749 switch (flag) { 750 case 0: 751 default: 752 cmd = PSMC_SEND_DEV_STATUS; 753 break; 754 case 1: 755 cmd = PSMC_SEND_DEV_DATA; 756 break; 757 } 758 empty_aux_buffer(kbdc, 5); 759 res = send_aux_command(kbdc, cmd); 760 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 761 (flag == 1) ? "DATA" : "STATUS", res)); 762 if (res != PSM_ACK) 763 return (0); 764 765 for (i = 0; i < len; ++i) { 766 status[i] = read_aux_data(kbdc); 767 if (status[i] < 0) 768 break; 769 } 770 771 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 772 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 773 774 return (i); 775 } 776 777 static int 778 get_aux_id(KBDC kbdc) 779 { 780 int res; 781 int id; 782 783 empty_aux_buffer(kbdc, 5); 784 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 785 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 786 if (res != PSM_ACK) 787 return (-1); 788 789 /* 10ms delay */ 790 DELAY(10000); 791 792 id = read_aux_data(kbdc); 793 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 794 795 return (id); 796 } 797 798 static int 799 set_mouse_sampling_rate(KBDC kbdc, int rate) 800 { 801 int res; 802 803 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 804 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 805 806 return ((res == PSM_ACK) ? rate : -1); 807 } 808 809 static int 810 set_mouse_scaling(KBDC kbdc, int scale) 811 { 812 int res; 813 814 switch (scale) { 815 case 1: 816 default: 817 scale = PSMC_SET_SCALING11; 818 break; 819 case 2: 820 scale = PSMC_SET_SCALING21; 821 break; 822 } 823 res = send_aux_command(kbdc, scale); 824 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 825 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 826 827 return (res == PSM_ACK); 828 } 829 830 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 831 static int 832 set_mouse_resolution(KBDC kbdc, int val) 833 { 834 int res; 835 836 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 837 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 838 839 return ((res == PSM_ACK) ? val : -1); 840 } 841 842 /* 843 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 844 * re-enabled by calling `enable_aux_dev()' 845 */ 846 static int 847 set_mouse_mode(KBDC kbdc) 848 { 849 int res; 850 851 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 852 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 853 854 return (res == PSM_ACK); 855 } 856 857 static int 858 get_mouse_buttons(KBDC kbdc) 859 { 860 int c = 2; /* assume two buttons by default */ 861 int status[3]; 862 863 /* 864 * NOTE: a special sequence to obtain Logitech Mouse specific 865 * information: set resolution to 25 ppi, set scaling to 1:1, set 866 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 867 * mouse status bytes is the number of available buttons. 868 * Some manufactures also support this sequence. 869 */ 870 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 871 return (c); 872 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 873 set_mouse_scaling(kbdc, 1) && 874 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 875 return (status[1]); 876 return (c); 877 } 878 879 /* misc subroutines */ 880 /* 881 * Someday, I will get the complete list of valid pointing devices and 882 * their IDs... XXX 883 */ 884 static int 885 is_a_mouse(int id) 886 { 887 #if 0 888 static int valid_ids[] = { 889 PSM_MOUSE_ID, /* mouse */ 890 PSM_BALLPOINT_ID, /* ballpoint device */ 891 PSM_INTELLI_ID, /* Intellimouse */ 892 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 893 -1 /* end of table */ 894 }; 895 int i; 896 897 for (i = 0; valid_ids[i] >= 0; ++i) 898 if (valid_ids[i] == id) 899 return (TRUE); 900 return (FALSE); 901 #else 902 return (TRUE); 903 #endif 904 } 905 906 static char * 907 model_name(int model) 908 { 909 static struct { 910 int model_code; 911 char *model_name; 912 } models[] = { 913 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 914 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 915 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 916 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 917 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 918 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 919 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 920 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 921 { MOUSE_MODEL_4D, "4D Mouse" }, 922 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 923 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 924 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 925 { MOUSE_MODEL_ELANTECH, "Elantech Touchpad" }, 926 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 927 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 928 }; 929 int i; 930 931 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 932 if (models[i].model_code == model) 933 break; 934 return (models[i].model_name); 935 } 936 937 static void 938 recover_from_error(KBDC kbdc) 939 { 940 /* discard anything left in the output buffer */ 941 empty_both_buffers(kbdc, 10); 942 943 #if 0 944 /* 945 * NOTE: KBDC_RESET_KBD may not restore the communication between the 946 * keyboard and the controller. 947 */ 948 reset_kbd(kbdc); 949 #else 950 /* 951 * NOTE: somehow diagnostic and keyboard port test commands bring the 952 * keyboard back. 953 */ 954 if (!test_controller(kbdc)) 955 log(LOG_ERR, "psm: keyboard controller failed.\n"); 956 /* if there isn't a keyboard in the system, the following error is OK */ 957 if (test_kbd_port(kbdc) != 0) 958 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 959 #endif 960 } 961 962 static int 963 restore_controller(KBDC kbdc, int command_byte) 964 { 965 empty_both_buffers(kbdc, 10); 966 967 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 968 log(LOG_ERR, "psm: failed to restore the keyboard controller " 969 "command byte.\n"); 970 empty_both_buffers(kbdc, 10); 971 return (FALSE); 972 } else { 973 empty_both_buffers(kbdc, 10); 974 return (TRUE); 975 } 976 } 977 978 /* 979 * Re-initialize the aux port and device. The aux port must be enabled 980 * and its interrupt must be disabled before calling this routine. 981 * The aux device will be disabled before returning. 982 * The keyboard controller must be locked via `kbdc_lock()' before 983 * calling this routine. 984 */ 985 static int 986 doinitialize(struct psm_softc *sc, mousemode_t *mode) 987 { 988 KBDC kbdc = sc->kbdc; 989 int stat[3]; 990 int i; 991 992 switch((i = test_aux_port(kbdc))) { 993 case 1: /* ignore these errors */ 994 case 2: 995 case 3: 996 case PSM_ACK: 997 if (verbose) 998 log(LOG_DEBUG, 999 "psm%d: strange result for test aux port (%d).\n", 1000 sc->unit, i); 1001 /* FALLTHROUGH */ 1002 case 0: /* no error */ 1003 break; 1004 case -1: /* time out */ 1005 default: /* error */ 1006 recover_from_error(kbdc); 1007 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1008 break; 1009 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 1010 sc->unit, i); 1011 return (FALSE); 1012 } 1013 1014 if (sc->config & PSM_CONFIG_NORESET) { 1015 /* 1016 * Don't try to reset the pointing device. It may possibly 1017 * be left in the unknown state, though... 1018 */ 1019 } else { 1020 /* 1021 * NOTE: some controllers appears to hang the `keyboard' when 1022 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1023 */ 1024 if (!reset_aux_dev(kbdc)) { 1025 recover_from_error(kbdc); 1026 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 1027 sc->unit); 1028 return (FALSE); 1029 } 1030 } 1031 1032 /* 1033 * both the aux port and the aux device is functioning, see 1034 * if the device can be enabled. 1035 */ 1036 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 1037 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 1038 sc->unit); 1039 return (FALSE); 1040 } 1041 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 1042 1043 /* Re-enable the mouse. */ 1044 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1045 if (vendortype[i].model == sc->hw.model) 1046 (*vendortype[i].probefunc)(sc, REINIT); 1047 1048 /* set mouse parameters */ 1049 if (mode != (mousemode_t *)NULL) { 1050 if (mode->rate > 0) 1051 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 1052 if (mode->resolution >= 0) 1053 mode->resolution = 1054 set_mouse_resolution(kbdc, mode->resolution); 1055 set_mouse_scaling(kbdc, 1); 1056 set_mouse_mode(kbdc); 1057 } 1058 1059 /* Record sync on the next data packet we see. */ 1060 sc->flags |= PSM_NEED_SYNCBITS; 1061 1062 /* just check the status of the mouse */ 1063 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 1064 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 1065 sc->unit); 1066 1067 return (TRUE); 1068 } 1069 1070 static int 1071 doopen(struct psm_softc *sc, int command_byte) 1072 { 1073 int stat[3]; 1074 1075 /* 1076 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 1077 * no obvious reason. Thus we check the current mode and restore the 1078 * Absolute Mode if it was cleared. 1079 * 1080 * The previous hack at the end of psmprobe() wasn't efficient when 1081 * moused(8) was restarted. 1082 * 1083 * A Reset (FF) or Set Defaults (F6) command would clear the 1084 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 1085 * doesn't show any evidence of such a command. 1086 */ 1087 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 1088 mouse_ext_command(sc->kbdc, 1); 1089 get_mouse_status(sc->kbdc, stat, 0, 3); 1090 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 1091 stat[1] == 0x47) && 1092 stat[2] == 0x40) { 1093 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1094 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 1095 "hopefully restored\n", 1096 sc->unit)); 1097 } 1098 } 1099 1100 /* 1101 * A user may want to disable tap and drag gestures on a Synaptics 1102 * TouchPad when it operates in Relative Mode. 1103 */ 1104 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 1105 if (tap_enabled > 0) { 1106 VLOG(2, (LOG_DEBUG, 1107 "psm%d: enable tap and drag gestures\n", 1108 sc->unit)); 1109 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1110 } else if (tap_enabled == 0) { 1111 VLOG(2, (LOG_DEBUG, 1112 "psm%d: disable tap and drag gestures\n", 1113 sc->unit)); 1114 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 1115 } 1116 } 1117 1118 /* enable the mouse device */ 1119 if (!enable_aux_dev(sc->kbdc)) { 1120 /* MOUSE ERROR: failed to enable the mouse because: 1121 * 1) the mouse is faulty, 1122 * 2) the mouse has been removed(!?) 1123 * In the latter case, the keyboard may have hung, and need 1124 * recovery procedure... 1125 */ 1126 recover_from_error(sc->kbdc); 1127 #if 0 1128 /* FIXME: we could reset the mouse here and try to enable 1129 * it again. But it will take long time and it's not a good 1130 * idea to disable the keyboard that long... 1131 */ 1132 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 1133 recover_from_error(sc->kbdc); 1134 #else 1135 { 1136 #endif 1137 restore_controller(sc->kbdc, command_byte); 1138 /* mark this device is no longer available */ 1139 sc->state &= ~PSM_VALID; 1140 log(LOG_ERR, 1141 "psm%d: failed to enable the device (doopen).\n", 1142 sc->unit); 1143 return (EIO); 1144 } 1145 } 1146 1147 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1148 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 1149 sc->unit); 1150 1151 /* enable the aux port and interrupt */ 1152 if (!set_controller_command_byte(sc->kbdc, 1153 kbdc_get_device_mask(sc->kbdc), 1154 (command_byte & KBD_KBD_CONTROL_BITS) | 1155 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1156 /* CONTROLLER ERROR */ 1157 disable_aux_dev(sc->kbdc); 1158 restore_controller(sc->kbdc, command_byte); 1159 log(LOG_ERR, 1160 "psm%d: failed to enable the aux interrupt (doopen).\n", 1161 sc->unit); 1162 return (EIO); 1163 } 1164 1165 /* start the watchdog timer */ 1166 sc->watchdog = FALSE; 1167 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1168 1169 return (0); 1170 } 1171 1172 static int 1173 reinitialize(struct psm_softc *sc, int doinit) 1174 { 1175 int err; 1176 int c; 1177 int s; 1178 1179 /* don't let anybody mess with the aux device */ 1180 if (!kbdc_lock(sc->kbdc, TRUE)) 1181 return (EIO); 1182 s = spltty(); 1183 1184 /* block our watchdog timer */ 1185 sc->watchdog = FALSE; 1186 callout_stop(&sc->callout); 1187 1188 /* save the current controller command byte */ 1189 empty_both_buffers(sc->kbdc, 10); 1190 c = get_controller_command_byte(sc->kbdc); 1191 VLOG(2, (LOG_DEBUG, 1192 "psm%d: current command byte: %04x (reinitialize).\n", 1193 sc->unit, c)); 1194 1195 /* enable the aux port but disable the aux interrupt and the keyboard */ 1196 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1197 kbdc_get_device_mask(sc->kbdc), 1198 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1199 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1200 /* CONTROLLER ERROR */ 1201 splx(s); 1202 kbdc_lock(sc->kbdc, FALSE); 1203 log(LOG_ERR, 1204 "psm%d: unable to set the command byte (reinitialize).\n", 1205 sc->unit); 1206 return (EIO); 1207 } 1208 1209 /* flush any data */ 1210 if (sc->state & PSM_VALID) { 1211 /* this may fail; but never mind... */ 1212 disable_aux_dev(sc->kbdc); 1213 empty_aux_buffer(sc->kbdc, 10); 1214 } 1215 flushpackets(sc); 1216 sc->syncerrors = 0; 1217 sc->pkterrors = 0; 1218 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1219 1220 /* try to detect the aux device; are you still there? */ 1221 err = 0; 1222 if (doinit) { 1223 if (doinitialize(sc, &sc->mode)) { 1224 /* yes */ 1225 sc->state |= PSM_VALID; 1226 } else { 1227 /* the device has gone! */ 1228 restore_controller(sc->kbdc, c); 1229 sc->state &= ~PSM_VALID; 1230 log(LOG_ERR, 1231 "psm%d: the aux device has gone! (reinitialize).\n", 1232 sc->unit); 1233 err = ENXIO; 1234 } 1235 } 1236 splx(s); 1237 1238 /* restore the driver state */ 1239 if ((sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A)) && 1240 (err == 0)) { 1241 /* enable the aux device and the port again */ 1242 err = doopen(sc, c); 1243 if (err != 0) 1244 log(LOG_ERR, "psm%d: failed to enable the device " 1245 "(reinitialize).\n", sc->unit); 1246 } else { 1247 /* restore the keyboard port and disable the aux port */ 1248 if (!set_controller_command_byte(sc->kbdc, 1249 kbdc_get_device_mask(sc->kbdc), 1250 (c & KBD_KBD_CONTROL_BITS) | 1251 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1252 /* CONTROLLER ERROR */ 1253 log(LOG_ERR, "psm%d: failed to disable the aux port " 1254 "(reinitialize).\n", sc->unit); 1255 err = EIO; 1256 } 1257 } 1258 1259 kbdc_lock(sc->kbdc, FALSE); 1260 return (err); 1261 } 1262 1263 /* psm driver entry points */ 1264 1265 static void 1266 psmidentify(driver_t *driver, device_t parent) 1267 { 1268 device_t psmc; 1269 device_t psm; 1270 u_long irq; 1271 int unit; 1272 1273 unit = device_get_unit(parent); 1274 1275 /* always add at least one child */ 1276 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1277 if (psm == NULL) 1278 return; 1279 1280 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1281 if (irq > 0) 1282 return; 1283 1284 /* 1285 * If the PS/2 mouse device has already been reported by ACPI or 1286 * PnP BIOS, obtain the IRQ resource from it. 1287 * (See psmcpnp_attach() below.) 1288 */ 1289 psmc = device_find_child(device_get_parent(parent), 1290 PSMCPNP_DRIVER_NAME, unit); 1291 if (psmc == NULL) 1292 return; 1293 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1294 if (irq <= 0) 1295 return; 1296 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1297 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1298 } 1299 1300 #define endprobe(v) do { \ 1301 if (bootverbose) \ 1302 --verbose; \ 1303 kbdc_set_device_mask(sc->kbdc, mask); \ 1304 kbdc_lock(sc->kbdc, FALSE); \ 1305 return (v); \ 1306 } while (0) 1307 1308 static int 1309 psmprobe(device_t dev) 1310 { 1311 int unit = device_get_unit(dev); 1312 struct psm_softc *sc = device_get_softc(dev); 1313 int stat[3]; 1314 int command_byte; 1315 int mask; 1316 int rid; 1317 int i; 1318 1319 #if 0 1320 kbdc_debug(TRUE); 1321 #endif 1322 1323 /* see if IRQ is available */ 1324 rid = KBDC_RID_AUX; 1325 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1326 if (sc->intr == NULL) { 1327 if (bootverbose) 1328 device_printf(dev, "unable to allocate IRQ\n"); 1329 return (ENXIO); 1330 } 1331 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1332 1333 sc->unit = unit; 1334 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1335 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1336 /* XXX: for backward compatibility */ 1337 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1338 sc->config |= 1339 #ifdef PSM_RESETAFTERSUSPEND 1340 PSM_CONFIG_INITAFTERSUSPEND; 1341 #else 1342 PSM_CONFIG_HOOKRESUME; 1343 #endif 1344 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1345 sc->flags = 0; 1346 if (bootverbose) 1347 ++verbose; 1348 1349 device_set_desc(dev, "PS/2 Mouse"); 1350 1351 if (!kbdc_lock(sc->kbdc, TRUE)) { 1352 printf("psm%d: unable to lock the controller.\n", unit); 1353 if (bootverbose) 1354 --verbose; 1355 return (ENXIO); 1356 } 1357 1358 /* 1359 * NOTE: two bits in the command byte controls the operation of the 1360 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1361 * port interrupt (IRQ 12) enable bit (bit 2). 1362 */ 1363 1364 /* discard anything left after the keyboard initialization */ 1365 empty_both_buffers(sc->kbdc, 10); 1366 1367 /* save the current command byte; it will be used later */ 1368 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1369 command_byte = get_controller_command_byte(sc->kbdc); 1370 if (verbose) 1371 printf("psm%d: current command byte:%04x\n", unit, 1372 command_byte); 1373 if (command_byte == -1) { 1374 /* CONTROLLER ERROR */ 1375 printf("psm%d: unable to get the current command byte value.\n", 1376 unit); 1377 endprobe(ENXIO); 1378 } 1379 1380 /* 1381 * disable the keyboard port while probing the aux port, which must be 1382 * enabled during this routine 1383 */ 1384 if (!set_controller_command_byte(sc->kbdc, 1385 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1386 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1387 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1388 /* 1389 * this is CONTROLLER ERROR; I don't know how to recover 1390 * from this error... 1391 */ 1392 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1393 restore_controller(sc->kbdc, command_byte); 1394 printf("psm%d: unable to set the command byte.\n", unit); 1395 endprobe(ENXIO); 1396 } 1397 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1398 1399 /* 1400 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1401 * port exists and is functioning. However, some controllers appears 1402 * to respond with zero even when the aux port doesn't exist. (It may 1403 * be that this is only the case when the controller DOES have the aux 1404 * port but the port is not wired on the motherboard.) The keyboard 1405 * controllers without the port, such as the original AT, are 1406 * supposed to return with an error code or simply time out. In any 1407 * case, we have to continue probing the port even when the controller 1408 * passes this test. 1409 * 1410 * XXX: some controllers erroneously return the error code 1, 2 or 3 1411 * when it has a perfectly functional aux port. We have to ignore 1412 * this error code. Even if the controller HAS error with the aux 1413 * port, it will be detected later... 1414 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1415 */ 1416 switch ((i = test_aux_port(sc->kbdc))) { 1417 case 1: /* ignore these errors */ 1418 case 2: 1419 case 3: 1420 case PSM_ACK: 1421 if (verbose) 1422 printf("psm%d: strange result for test aux port " 1423 "(%d).\n", unit, i); 1424 /* FALLTHROUGH */ 1425 case 0: /* no error */ 1426 break; 1427 case -1: /* time out */ 1428 default: /* error */ 1429 recover_from_error(sc->kbdc); 1430 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1431 break; 1432 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1433 restore_controller(sc->kbdc, command_byte); 1434 if (verbose) 1435 printf("psm%d: the aux port is not functioning (%d).\n", 1436 unit, i); 1437 endprobe(ENXIO); 1438 } 1439 1440 if (sc->config & PSM_CONFIG_NORESET) { 1441 /* 1442 * Don't try to reset the pointing device. It may possibly be 1443 * left in an unknown state, though... 1444 */ 1445 } else { 1446 /* 1447 * NOTE: some controllers appears to hang the `keyboard' when 1448 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1449 * 1450 * Attempt to reset the controller twice -- this helps 1451 * pierce through some KVM switches. The second reset 1452 * is non-fatal. 1453 */ 1454 if (!reset_aux_dev(sc->kbdc)) { 1455 recover_from_error(sc->kbdc); 1456 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1457 restore_controller(sc->kbdc, command_byte); 1458 if (verbose) 1459 printf("psm%d: failed to reset the aux " 1460 "device.\n", unit); 1461 endprobe(ENXIO); 1462 } else if (!reset_aux_dev(sc->kbdc)) { 1463 recover_from_error(sc->kbdc); 1464 if (verbose >= 2) 1465 printf("psm%d: failed to reset the aux device " 1466 "(2).\n", unit); 1467 } 1468 } 1469 1470 /* 1471 * both the aux port and the aux device are functioning, see if the 1472 * device can be enabled. NOTE: when enabled, the device will start 1473 * sending data; we shall immediately disable the device once we know 1474 * the device can be enabled. 1475 */ 1476 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1477 /* MOUSE ERROR */ 1478 recover_from_error(sc->kbdc); 1479 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1480 restore_controller(sc->kbdc, command_byte); 1481 if (verbose) 1482 printf("psm%d: failed to enable the aux device.\n", 1483 unit); 1484 endprobe(ENXIO); 1485 } 1486 1487 /* save the default values after reset */ 1488 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1489 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1490 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1491 } else { 1492 sc->dflt_mode.rate = sc->mode.rate = -1; 1493 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1494 } 1495 1496 /* hardware information */ 1497 sc->hw.iftype = MOUSE_IF_PS2; 1498 1499 /* verify the device is a mouse */ 1500 sc->hw.hwid = get_aux_id(sc->kbdc); 1501 if (!is_a_mouse(sc->hw.hwid)) { 1502 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1503 restore_controller(sc->kbdc, command_byte); 1504 if (verbose) 1505 printf("psm%d: unknown device type (%d).\n", unit, 1506 sc->hw.hwid); 1507 endprobe(ENXIO); 1508 } 1509 switch (sc->hw.hwid) { 1510 case PSM_BALLPOINT_ID: 1511 sc->hw.type = MOUSE_TRACKBALL; 1512 break; 1513 case PSM_MOUSE_ID: 1514 case PSM_INTELLI_ID: 1515 case PSM_EXPLORER_ID: 1516 case PSM_4DMOUSE_ID: 1517 case PSM_4DPLUS_ID: 1518 sc->hw.type = MOUSE_MOUSE; 1519 break; 1520 default: 1521 sc->hw.type = MOUSE_UNKNOWN; 1522 break; 1523 } 1524 1525 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1526 sc->hw.buttons = 2; 1527 i = GENERIC_MOUSE_ENTRY; 1528 } else { 1529 /* # of buttons */ 1530 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1531 1532 /* other parameters */ 1533 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1534 if ((*vendortype[i].probefunc)(sc, PROBE)) { 1535 if (verbose >= 2) 1536 printf("psm%d: found %s\n", unit, 1537 model_name(vendortype[i].model)); 1538 break; 1539 } 1540 } 1541 1542 sc->hw.model = vendortype[i].model; 1543 1544 sc->dflt_mode.level = PSM_LEVEL_BASE; 1545 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1546 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1547 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1548 sc->dflt_mode.syncmask[0] = 0; 1549 else 1550 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1551 if (sc->config & PSM_CONFIG_FORCETAP) 1552 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1553 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1554 sc->mode = sc->dflt_mode; 1555 sc->mode.packetsize = vendortype[i].packetsize; 1556 1557 /* set mouse parameters */ 1558 #if 0 1559 /* 1560 * A version of Logitech FirstMouse+ won't report wheel movement, 1561 * if SET_DEFAULTS is sent... Don't use this command. 1562 * This fix was found by Takashi Nishida. 1563 */ 1564 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1565 if (verbose >= 2) 1566 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1567 #endif 1568 if (sc->config & PSM_CONFIG_RESOLUTION) 1569 sc->mode.resolution = 1570 set_mouse_resolution(sc->kbdc, 1571 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1572 else if (sc->mode.resolution >= 0) 1573 sc->mode.resolution = 1574 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1575 if (sc->mode.rate > 0) 1576 sc->mode.rate = 1577 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1578 set_mouse_scaling(sc->kbdc, 1); 1579 1580 /* Record sync on the next data packet we see. */ 1581 sc->flags |= PSM_NEED_SYNCBITS; 1582 1583 /* just check the status of the mouse */ 1584 /* 1585 * NOTE: XXX there are some arcane controller/mouse combinations out 1586 * there, which hung the controller unless there is data transmission 1587 * after ACK from the mouse. 1588 */ 1589 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1590 printf("psm%d: failed to get status.\n", unit); 1591 else { 1592 /* 1593 * When in its native mode, some mice operate with different 1594 * default parameters than in the PS/2 compatible mode. 1595 */ 1596 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1597 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1598 } 1599 1600 /* disable the aux port for now... */ 1601 if (!set_controller_command_byte(sc->kbdc, 1602 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1603 (command_byte & KBD_KBD_CONTROL_BITS) | 1604 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1605 /* 1606 * this is CONTROLLER ERROR; I don't know the proper way to 1607 * recover from this error... 1608 */ 1609 if (ALWAYS_RESTORE_CONTROLLER(sc->kbdc)) 1610 restore_controller(sc->kbdc, command_byte); 1611 printf("psm%d: unable to set the command byte.\n", unit); 1612 endprobe(ENXIO); 1613 } 1614 1615 /* done */ 1616 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1617 kbdc_lock(sc->kbdc, FALSE); 1618 return (0); 1619 } 1620 1621 #ifdef EVDEV_SUPPORT 1622 /* Values are taken from Linux drivers for userland software compatibility */ 1623 #define PS2_MOUSE_VENDOR 0x0002 1624 #define PS2_MOUSE_GENERIC_PRODUCT 0x0001 1625 #define PS2_MOUSE_SYNAPTICS_NAME "SynPS/2 Synaptics TouchPad" 1626 #define PS2_MOUSE_SYNAPTICS_PRODUCT 0x0007 1627 #define PS2_MOUSE_TRACKPOINT_NAME "TPPS/2 IBM TrackPoint" 1628 #define PS2_MOUSE_TRACKPOINT_PRODUCT 0x000A 1629 #define PS2_MOUSE_ELANTECH_NAME "ETPS/2 Elantech Touchpad" 1630 #define PS2_MOUSE_ELANTECH_ST_NAME "ETPS/2 Elantech TrackPoint" 1631 #define PS2_MOUSE_ELANTECH_PRODUCT 0x000E 1632 1633 #define ABSINFO_END { ABS_CNT, 0, 0, 0 } 1634 1635 static void 1636 psm_support_abs_bulk(struct evdev_dev *evdev, const uint16_t info[][4]) 1637 { 1638 size_t i; 1639 1640 for (i = 0; info[i][0] != ABS_CNT; i++) 1641 evdev_support_abs(evdev, info[i][0], 0, info[i][1], info[i][2], 1642 0, 0, info[i][3]); 1643 } 1644 1645 static void 1646 psm_push_mt_finger(struct psm_softc *sc, int id, const finger_t *f) 1647 { 1648 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1649 1650 evdev_push_abs(sc->evdev_a, ABS_MT_SLOT, id); 1651 evdev_push_abs(sc->evdev_a, ABS_MT_TRACKING_ID, id); 1652 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_X, f->x); 1653 evdev_push_abs(sc->evdev_a, ABS_MT_POSITION_Y, y); 1654 evdev_push_abs(sc->evdev_a, ABS_MT_PRESSURE, f->p); 1655 } 1656 1657 static void 1658 psm_push_st_finger(struct psm_softc *sc, const finger_t *f) 1659 { 1660 int y = sc->synhw.minimumYCoord + sc->synhw.maximumYCoord - f->y; 1661 1662 evdev_push_abs(sc->evdev_a, ABS_X, f->x); 1663 evdev_push_abs(sc->evdev_a, ABS_Y, y); 1664 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, f->p); 1665 if (sc->synhw.capPalmDetect) 1666 evdev_push_abs(sc->evdev_a, ABS_TOOL_WIDTH, f->w); 1667 } 1668 1669 static void 1670 psm_release_mt_slot(struct evdev_dev *evdev, int32_t slot) 1671 { 1672 1673 evdev_push_abs(evdev, ABS_MT_SLOT, slot); 1674 evdev_push_abs(evdev, ABS_MT_TRACKING_ID, -1); 1675 } 1676 1677 static int 1678 psm_register(device_t dev, int model_code) 1679 { 1680 struct psm_softc *sc = device_get_softc(dev); 1681 struct evdev_dev *evdev_r; 1682 int error, i, nbuttons, nwheels, product; 1683 bool is_pointing_stick; 1684 const char *name; 1685 1686 name = model_name(model_code); 1687 nbuttons = sc->hw.buttons; 1688 product = PS2_MOUSE_GENERIC_PRODUCT; 1689 nwheels = 0; 1690 is_pointing_stick = false; 1691 1692 switch (model_code) { 1693 case MOUSE_MODEL_TRACKPOINT: 1694 name = PS2_MOUSE_TRACKPOINT_NAME; 1695 product = PS2_MOUSE_TRACKPOINT_PRODUCT; 1696 nbuttons = 3; 1697 is_pointing_stick = true; 1698 break; 1699 1700 case MOUSE_MODEL_ELANTECH: 1701 name = PS2_MOUSE_ELANTECH_ST_NAME; 1702 product = PS2_MOUSE_ELANTECH_PRODUCT; 1703 nbuttons = 3; 1704 is_pointing_stick = true; 1705 break; 1706 1707 case MOUSE_MODEL_MOUSEMANPLUS: 1708 case MOUSE_MODEL_4D: 1709 nwheels = 2; 1710 break; 1711 1712 case MOUSE_MODEL_EXPLORER: 1713 case MOUSE_MODEL_INTELLI: 1714 case MOUSE_MODEL_NET: 1715 case MOUSE_MODEL_NETSCROLL: 1716 case MOUSE_MODEL_4DPLUS: 1717 nwheels = 1; 1718 break; 1719 } 1720 1721 evdev_r = evdev_alloc(); 1722 evdev_set_name(evdev_r, name); 1723 evdev_set_phys(evdev_r, device_get_nameunit(dev)); 1724 evdev_set_id(evdev_r, BUS_I8042, PS2_MOUSE_VENDOR, product, 0); 1725 evdev_set_methods(evdev_r, sc, &psm_ev_methods_r); 1726 1727 evdev_support_prop(evdev_r, INPUT_PROP_POINTER); 1728 if (is_pointing_stick) 1729 evdev_support_prop(evdev_r, INPUT_PROP_POINTING_STICK); 1730 evdev_support_event(evdev_r, EV_SYN); 1731 evdev_support_event(evdev_r, EV_KEY); 1732 evdev_support_event(evdev_r, EV_REL); 1733 evdev_support_rel(evdev_r, REL_X); 1734 evdev_support_rel(evdev_r, REL_Y); 1735 switch (nwheels) { 1736 case 2: 1737 evdev_support_rel(evdev_r, REL_HWHEEL); 1738 /* FALLTHROUGH */ 1739 case 1: 1740 evdev_support_rel(evdev_r, REL_WHEEL); 1741 } 1742 for (i = 0; i < nbuttons; i++) 1743 evdev_support_key(evdev_r, BTN_MOUSE + i); 1744 1745 error = evdev_register_mtx(evdev_r, &Giant); 1746 if (error) 1747 evdev_free(evdev_r); 1748 else 1749 sc->evdev_r = evdev_r; 1750 return (error); 1751 } 1752 1753 static int 1754 psm_register_synaptics(device_t dev) 1755 { 1756 struct psm_softc *sc = device_get_softc(dev); 1757 const uint16_t synaptics_absinfo_st[][4] = { 1758 { ABS_X, sc->synhw.minimumXCoord, 1759 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1760 { ABS_Y, sc->synhw.minimumYCoord, 1761 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1762 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1763 ABSINFO_END, 1764 }; 1765 const uint16_t synaptics_absinfo_mt[][4] = { 1766 { ABS_MT_SLOT, 0, PSM_FINGERS-1, 0}, 1767 { ABS_MT_TRACKING_ID, -1, PSM_FINGERS-1, 0}, 1768 { ABS_MT_POSITION_X, sc->synhw.minimumXCoord, 1769 sc->synhw.maximumXCoord, sc->synhw.infoXupmm }, 1770 { ABS_MT_POSITION_Y, sc->synhw.minimumYCoord, 1771 sc->synhw.maximumYCoord, sc->synhw.infoYupmm }, 1772 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1773 ABSINFO_END, 1774 }; 1775 struct evdev_dev *evdev_a; 1776 int error, i, guest_model; 1777 1778 evdev_a = evdev_alloc(); 1779 evdev_set_name(evdev_a, PS2_MOUSE_SYNAPTICS_NAME); 1780 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1781 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1782 PS2_MOUSE_SYNAPTICS_PRODUCT, 0); 1783 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1784 1785 evdev_support_event(evdev_a, EV_SYN); 1786 evdev_support_event(evdev_a, EV_KEY); 1787 evdev_support_event(evdev_a, EV_ABS); 1788 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1789 if (sc->synhw.capAdvancedGestures) 1790 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1791 if (sc->synhw.capClickPad) 1792 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1793 evdev_support_key(evdev_a, BTN_TOUCH); 1794 evdev_support_nfingers(evdev_a, 3); 1795 psm_support_abs_bulk(evdev_a, synaptics_absinfo_st); 1796 if (sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) 1797 psm_support_abs_bulk(evdev_a, synaptics_absinfo_mt); 1798 if (sc->synhw.capPalmDetect) 1799 evdev_support_abs(evdev_a, ABS_TOOL_WIDTH, 0, 0, 15, 0, 0, 0); 1800 evdev_support_key(evdev_a, BTN_LEFT); 1801 if (!sc->synhw.capClickPad) { 1802 evdev_support_key(evdev_a, BTN_RIGHT); 1803 if (sc->synhw.capExtended && sc->synhw.capMiddle) 1804 evdev_support_key(evdev_a, BTN_MIDDLE); 1805 } 1806 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 1807 evdev_support_key(evdev_a, BTN_BACK); 1808 evdev_support_key(evdev_a, BTN_FORWARD); 1809 } 1810 if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) 1811 for (i = 0; i < sc->synhw.nExtendedButtons; i++) 1812 evdev_support_key(evdev_a, BTN_0 + i); 1813 1814 error = evdev_register_mtx(evdev_a, &Giant); 1815 if (!error && sc->synhw.capPassthrough) { 1816 guest_model = sc->tpinfo.sysctl_tree != NULL ? 1817 MOUSE_MODEL_TRACKPOINT : MOUSE_MODEL_GENERIC; 1818 error = psm_register(dev, guest_model); 1819 } 1820 if (error) 1821 evdev_free(evdev_a); 1822 else 1823 sc->evdev_a = evdev_a; 1824 return (error); 1825 } 1826 1827 static int 1828 psm_register_elantech(device_t dev) 1829 { 1830 struct psm_softc *sc = device_get_softc(dev); 1831 const uint16_t elantech_absinfo[][4] = { 1832 { ABS_X, 0, sc->elanhw.sizex, 1833 sc->elanhw.dpmmx }, 1834 { ABS_Y, 0, sc->elanhw.sizey, 1835 sc->elanhw.dpmmy }, 1836 { ABS_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1837 { ABS_TOOL_WIDTH, 0, ELANTECH_FINGER_MAX_W, 0 }, 1838 { ABS_MT_SLOT, 0, ELANTECH_MAX_FINGERS - 1, 0 }, 1839 { ABS_MT_TRACKING_ID, -1, ELANTECH_MAX_FINGERS - 1, 0 }, 1840 { ABS_MT_POSITION_X, 0, sc->elanhw.sizex, 1841 sc->elanhw.dpmmx }, 1842 { ABS_MT_POSITION_Y, 0, sc->elanhw.sizey, 1843 sc->elanhw.dpmmy }, 1844 { ABS_MT_PRESSURE, 0, ELANTECH_FINGER_MAX_P, 0 }, 1845 { ABS_MT_TOUCH_MAJOR, 0, ELANTECH_FINGER_MAX_W * 1846 sc->elanhw.dptracex, 0 }, 1847 ABSINFO_END, 1848 }; 1849 struct evdev_dev *evdev_a; 1850 int error; 1851 1852 evdev_a = evdev_alloc(); 1853 evdev_set_name(evdev_a, PS2_MOUSE_ELANTECH_NAME); 1854 evdev_set_phys(evdev_a, device_get_nameunit(dev)); 1855 evdev_set_id(evdev_a, BUS_I8042, PS2_MOUSE_VENDOR, 1856 PS2_MOUSE_ELANTECH_PRODUCT, 0); 1857 evdev_set_methods(evdev_a, sc, &psm_ev_methods_a); 1858 1859 evdev_support_event(evdev_a, EV_SYN); 1860 evdev_support_event(evdev_a, EV_KEY); 1861 evdev_support_event(evdev_a, EV_ABS); 1862 evdev_support_prop(evdev_a, INPUT_PROP_POINTER); 1863 if (sc->elanhw.issemimt) 1864 evdev_support_prop(evdev_a, INPUT_PROP_SEMI_MT); 1865 if (sc->elanhw.isclickpad) 1866 evdev_support_prop(evdev_a, INPUT_PROP_BUTTONPAD); 1867 evdev_support_key(evdev_a, BTN_TOUCH); 1868 evdev_support_nfingers(evdev_a, ELANTECH_MAX_FINGERS); 1869 evdev_support_key(evdev_a, BTN_LEFT); 1870 if (!sc->elanhw.isclickpad) 1871 evdev_support_key(evdev_a, BTN_RIGHT); 1872 psm_support_abs_bulk(evdev_a, elantech_absinfo); 1873 1874 error = evdev_register_mtx(evdev_a, &Giant); 1875 if (!error && sc->elanhw.hastrackpoint) 1876 error = psm_register(dev, MOUSE_MODEL_ELANTECH); 1877 if (error) 1878 evdev_free(evdev_a); 1879 else 1880 sc->evdev_a = evdev_a; 1881 return (error); 1882 } 1883 #endif 1884 1885 static int 1886 psmattach(device_t dev) 1887 { 1888 int unit = device_get_unit(dev); 1889 struct psm_softc *sc = device_get_softc(dev); 1890 int error; 1891 int rid; 1892 1893 /* Setup initial state */ 1894 sc->state = PSM_VALID; 1895 callout_init(&sc->callout, 0); 1896 callout_init(&sc->softcallout, 0); 1897 1898 /* Setup our interrupt handler */ 1899 rid = KBDC_RID_AUX; 1900 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1901 if (sc->intr == NULL) 1902 return (ENXIO); 1903 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1904 &sc->ih); 1905 if (error) { 1906 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1907 return (error); 1908 } 1909 1910 /* Done */ 1911 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1912 sc->dev->si_drv1 = sc; 1913 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1914 sc->bdev->si_drv1 = sc; 1915 1916 #ifdef EVDEV_SUPPORT 1917 switch (sc->hw.model) { 1918 case MOUSE_MODEL_SYNAPTICS: 1919 error = psm_register_synaptics(dev); 1920 break; 1921 1922 case MOUSE_MODEL_ELANTECH: 1923 error = psm_register_elantech(dev); 1924 break; 1925 1926 default: 1927 error = psm_register(dev, sc->hw.model); 1928 } 1929 1930 if (error) 1931 return (error); 1932 #endif 1933 1934 /* Some touchpad devices need full reinitialization after suspend. */ 1935 switch (sc->hw.model) { 1936 case MOUSE_MODEL_SYNAPTICS: 1937 case MOUSE_MODEL_GLIDEPOINT: 1938 case MOUSE_MODEL_VERSAPAD: 1939 case MOUSE_MODEL_ELANTECH: 1940 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1941 break; 1942 default: 1943 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 1944 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1945 break; 1946 } 1947 1948 /* Elantech trackpad`s sync bit differs from touchpad`s one */ 1949 if (sc->hw.model == MOUSE_MODEL_ELANTECH && 1950 (sc->elanhw.hascrc || sc->elanhw.hastrackpoint)) { 1951 sc->config |= PSM_CONFIG_NOCHECKSYNC; 1952 sc->flags &= ~PSM_NEED_SYNCBITS; 1953 } 1954 1955 if (!verbose) 1956 printf("psm%d: model %s, device ID %d\n", 1957 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1958 else { 1959 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1960 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1961 sc->hw.hwid >> 8, sc->hw.buttons); 1962 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1963 unit, sc->config, sc->flags, sc->mode.packetsize); 1964 printf("psm%d: syncmask:%02x, syncbits:%02x%s\n", 1965 unit, sc->mode.syncmask[0], sc->mode.syncmask[1], 1966 sc->config & PSM_CONFIG_NOCHECKSYNC ? " (sync not checked)" : ""); 1967 } 1968 1969 if (bootverbose) 1970 --verbose; 1971 1972 return (0); 1973 } 1974 1975 static int 1976 psmdetach(device_t dev) 1977 { 1978 struct psm_softc *sc; 1979 int rid; 1980 1981 sc = device_get_softc(dev); 1982 if (sc->state & PSM_OPEN) 1983 return (EBUSY); 1984 1985 #ifdef EVDEV_SUPPORT 1986 evdev_free(sc->evdev_r); 1987 evdev_free(sc->evdev_a); 1988 #endif 1989 1990 rid = KBDC_RID_AUX; 1991 bus_teardown_intr(dev, sc->intr, sc->ih); 1992 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1993 1994 destroy_dev(sc->dev); 1995 destroy_dev(sc->bdev); 1996 1997 callout_drain(&sc->callout); 1998 callout_drain(&sc->softcallout); 1999 2000 return (0); 2001 } 2002 2003 #ifdef EVDEV_SUPPORT 2004 static int 2005 psm_ev_open_r(struct evdev_dev *evdev, void *ev_softc) 2006 { 2007 struct psm_softc *sc = (struct psm_softc *)ev_softc; 2008 int err = 0; 2009 2010 /* Get device data */ 2011 if ((sc->state & PSM_VALID) == 0) { 2012 /* the device is no longer valid/functioning */ 2013 return (ENXIO); 2014 } 2015 2016 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2017 err = psmopen(sc); 2018 2019 if (err == 0) 2020 sc->state |= PSM_EV_OPEN_R; 2021 2022 return (err); 2023 } 2024 2025 static void 2026 psm_ev_close_r(struct evdev_dev *evdev, void *ev_softc) 2027 { 2028 struct psm_softc *sc = (struct psm_softc *)ev_softc; 2029 2030 sc->state &= ~PSM_EV_OPEN_R; 2031 2032 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2033 return; 2034 2035 if (sc->state & PSM_VALID) 2036 psmclose(sc); 2037 } 2038 2039 static int 2040 psm_ev_open_a(struct evdev_dev *evdev, void *ev_softc) 2041 { 2042 struct psm_softc *sc = (struct psm_softc *)ev_softc; 2043 int err = 0; 2044 2045 /* Get device data */ 2046 if ((sc->state & PSM_VALID) == 0) { 2047 /* the device is no longer valid/functioning */ 2048 return (ENXIO); 2049 } 2050 2051 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2052 err = psmopen(sc); 2053 2054 if (err == 0) 2055 sc->state |= PSM_EV_OPEN_A; 2056 2057 return (err); 2058 } 2059 2060 static void 2061 psm_ev_close_a(struct evdev_dev *evdev, void *ev_softc) 2062 { 2063 struct psm_softc *sc = (struct psm_softc *)ev_softc; 2064 2065 sc->state &= ~PSM_EV_OPEN_A; 2066 2067 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2068 return; 2069 2070 if (sc->state & PSM_VALID) 2071 psmclose(sc); 2072 } 2073 #endif 2074 2075 static int 2076 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2077 { 2078 struct psm_softc *sc; 2079 int err = 0; 2080 2081 /* Get device data */ 2082 sc = dev->si_drv1; 2083 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2084 /* the device is no longer valid/functioning */ 2085 return (ENXIO); 2086 } 2087 2088 /* Disallow multiple opens */ 2089 if (sc->state & PSM_OPEN) 2090 return (EBUSY); 2091 2092 device_busy(devclass_get_device(psm_devclass, sc->unit)); 2093 2094 #ifdef EVDEV_SUPPORT 2095 /* Already opened by evdev */ 2096 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2097 #endif 2098 err = psmopen(sc); 2099 2100 if (err == 0) 2101 sc->state |= PSM_OPEN; 2102 else 2103 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2104 2105 return (err); 2106 } 2107 2108 static int 2109 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2110 { 2111 struct psm_softc *sc; 2112 int err = 0; 2113 2114 /* Get device data */ 2115 sc = dev->si_drv1; 2116 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2117 /* the device is no longer valid/functioning */ 2118 return (ENXIO); 2119 } 2120 2121 #ifdef EVDEV_SUPPORT 2122 /* Still opened by evdev */ 2123 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2124 #endif 2125 err = psmclose(sc); 2126 2127 if (err == 0) { 2128 sc->state &= ~PSM_OPEN; 2129 /* clean up and sigio requests */ 2130 if (sc->async != NULL) { 2131 funsetown(&sc->async); 2132 sc->async = NULL; 2133 } 2134 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2135 } 2136 2137 return (err); 2138 } 2139 2140 static int 2141 psmopen(struct psm_softc *sc) 2142 { 2143 int command_byte; 2144 int err; 2145 int s; 2146 2147 /* Initialize state */ 2148 sc->mode.level = sc->dflt_mode.level; 2149 sc->mode.protocol = sc->dflt_mode.protocol; 2150 sc->watchdog = FALSE; 2151 sc->async = NULL; 2152 2153 /* flush the event queue */ 2154 sc->queue.count = 0; 2155 sc->queue.head = 0; 2156 sc->queue.tail = 0; 2157 sc->status.flags = 0; 2158 sc->status.button = 0; 2159 sc->status.obutton = 0; 2160 sc->status.dx = 0; 2161 sc->status.dy = 0; 2162 sc->status.dz = 0; 2163 sc->button = 0; 2164 sc->pqueue_start = 0; 2165 sc->pqueue_end = 0; 2166 2167 /* empty input buffer */ 2168 flushpackets(sc); 2169 sc->syncerrors = 0; 2170 sc->pkterrors = 0; 2171 2172 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2173 if (!kbdc_lock(sc->kbdc, TRUE)) 2174 return (EIO); 2175 2176 /* save the current controller command byte */ 2177 s = spltty(); 2178 command_byte = get_controller_command_byte(sc->kbdc); 2179 2180 /* enable the aux port and temporalily disable the keyboard */ 2181 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2182 kbdc_get_device_mask(sc->kbdc), 2183 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2184 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2185 /* CONTROLLER ERROR; do you know how to get out of this? */ 2186 kbdc_lock(sc->kbdc, FALSE); 2187 splx(s); 2188 log(LOG_ERR, 2189 "psm%d: unable to set the command byte (psmopen).\n", 2190 sc->unit); 2191 return (EIO); 2192 } 2193 /* 2194 * Now that the keyboard controller is told not to generate 2195 * the keyboard and mouse interrupts, call `splx()' to allow 2196 * the other tty interrupts. The clock interrupt may also occur, 2197 * but timeout routines will be blocked by the poll flag set 2198 * via `kbdc_lock()' 2199 */ 2200 splx(s); 2201 2202 /* enable the mouse device */ 2203 err = doopen(sc, command_byte); 2204 2205 /* done */ 2206 kbdc_lock(sc->kbdc, FALSE); 2207 return (err); 2208 } 2209 2210 static int 2211 psmclose(struct psm_softc *sc) 2212 { 2213 int stat[3]; 2214 int command_byte; 2215 int s; 2216 2217 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2218 if (!kbdc_lock(sc->kbdc, TRUE)) 2219 return (EIO); 2220 2221 /* save the current controller command byte */ 2222 s = spltty(); 2223 command_byte = get_controller_command_byte(sc->kbdc); 2224 if (command_byte == -1) { 2225 kbdc_lock(sc->kbdc, FALSE); 2226 splx(s); 2227 return (EIO); 2228 } 2229 2230 /* disable the aux interrupt and temporalily disable the keyboard */ 2231 if (!set_controller_command_byte(sc->kbdc, 2232 kbdc_get_device_mask(sc->kbdc), 2233 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2234 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2235 log(LOG_ERR, 2236 "psm%d: failed to disable the aux int (psmclose).\n", 2237 sc->unit); 2238 /* CONTROLLER ERROR; 2239 * NOTE: we shall force our way through. Because the only 2240 * ill effect we shall see is that we may not be able 2241 * to read ACK from the mouse, and it doesn't matter much 2242 * so long as the mouse will accept the DISABLE command. 2243 */ 2244 } 2245 splx(s); 2246 2247 /* stop the watchdog timer */ 2248 callout_stop(&sc->callout); 2249 2250 /* remove anything left in the output buffer */ 2251 empty_aux_buffer(sc->kbdc, 10); 2252 2253 /* disable the aux device, port and interrupt */ 2254 if (sc->state & PSM_VALID) { 2255 if (!disable_aux_dev(sc->kbdc)) { 2256 /* MOUSE ERROR; 2257 * NOTE: we don't return (error) and continue, 2258 * pretending we have successfully disabled the device. 2259 * It's OK because the interrupt routine will discard 2260 * any data from the mouse hereafter. 2261 */ 2262 log(LOG_ERR, 2263 "psm%d: failed to disable the device (psmclose).\n", 2264 sc->unit); 2265 } 2266 2267 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2268 log(LOG_DEBUG, 2269 "psm%d: failed to get status (psmclose).\n", 2270 sc->unit); 2271 } 2272 2273 if (!set_controller_command_byte(sc->kbdc, 2274 kbdc_get_device_mask(sc->kbdc), 2275 (command_byte & KBD_KBD_CONTROL_BITS) | 2276 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2277 /* 2278 * CONTROLLER ERROR; 2279 * we shall ignore this error; see the above comment. 2280 */ 2281 log(LOG_ERR, 2282 "psm%d: failed to disable the aux port (psmclose).\n", 2283 sc->unit); 2284 } 2285 2286 /* remove anything left in the output buffer */ 2287 empty_aux_buffer(sc->kbdc, 10); 2288 2289 /* close is almost always successful */ 2290 kbdc_lock(sc->kbdc, FALSE); 2291 return (0); 2292 } 2293 2294 static int 2295 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2296 u_char *buf) 2297 { 2298 static u_char butmapps2[8] = { 2299 0, 2300 MOUSE_PS2_BUTTON1DOWN, 2301 MOUSE_PS2_BUTTON2DOWN, 2302 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2303 MOUSE_PS2_BUTTON3DOWN, 2304 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2305 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2306 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2307 MOUSE_PS2_BUTTON3DOWN, 2308 }; 2309 static u_char butmapmsc[8] = { 2310 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2311 MOUSE_MSC_BUTTON3UP, 2312 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2313 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2314 MOUSE_MSC_BUTTON3UP, 2315 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2316 MOUSE_MSC_BUTTON2UP, 2317 MOUSE_MSC_BUTTON1UP, 2318 0, 2319 }; 2320 int mapped; 2321 int i; 2322 2323 if (sc->mode.level == PSM_LEVEL_BASE) { 2324 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2325 if (status->button & MOUSE_BUTTON4DOWN) 2326 mapped |= MOUSE_BUTTON1DOWN; 2327 status->button = mapped; 2328 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2329 i = imax(imin(status->dx, 255), -256); 2330 if (i < 0) 2331 buf[0] |= MOUSE_PS2_XNEG; 2332 buf[1] = i; 2333 i = imax(imin(status->dy, 255), -256); 2334 if (i < 0) 2335 buf[0] |= MOUSE_PS2_YNEG; 2336 buf[2] = i; 2337 return (MOUSE_PS2_PACKETSIZE); 2338 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2339 buf[0] = MOUSE_MSC_SYNC | 2340 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2341 i = imax(imin(status->dx, 255), -256); 2342 buf[1] = i >> 1; 2343 buf[3] = i - buf[1]; 2344 i = imax(imin(status->dy, 255), -256); 2345 buf[2] = i >> 1; 2346 buf[4] = i - buf[2]; 2347 i = imax(imin(status->dz, 127), -128); 2348 buf[5] = (i >> 1) & 0x7f; 2349 buf[6] = (i - (i >> 1)) & 0x7f; 2350 buf[7] = (~status->button >> 3) & 0x7f; 2351 return (MOUSE_SYS_PACKETSIZE); 2352 } 2353 return (pb->inputbytes); 2354 } 2355 2356 static int 2357 psmread(struct cdev *dev, struct uio *uio, int flag) 2358 { 2359 struct psm_softc *sc = dev->si_drv1; 2360 u_char buf[PSM_SMALLBUFSIZE]; 2361 int error = 0; 2362 int s; 2363 int l; 2364 2365 if ((sc->state & PSM_VALID) == 0) 2366 return (EIO); 2367 2368 /* block until mouse activity occurred */ 2369 s = spltty(); 2370 while (sc->queue.count <= 0) { 2371 if (dev != sc->bdev) { 2372 splx(s); 2373 return (EWOULDBLOCK); 2374 } 2375 sc->state |= PSM_ASLP; 2376 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2377 sc->state &= ~PSM_ASLP; 2378 if (error) { 2379 splx(s); 2380 return (error); 2381 } else if ((sc->state & PSM_VALID) == 0) { 2382 /* the device disappeared! */ 2383 splx(s); 2384 return (EIO); 2385 } 2386 } 2387 splx(s); 2388 2389 /* copy data to the user land */ 2390 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2391 s = spltty(); 2392 l = imin(sc->queue.count, uio->uio_resid); 2393 if (l > sizeof(buf)) 2394 l = sizeof(buf); 2395 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2396 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2397 sizeof(sc->queue.buf) - sc->queue.head); 2398 bcopy(&sc->queue.buf[0], 2399 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2400 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2401 } else 2402 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2403 sc->queue.count -= l; 2404 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2405 splx(s); 2406 error = uiomove(buf, l, uio); 2407 if (error) 2408 break; 2409 } 2410 2411 return (error); 2412 } 2413 2414 static int 2415 block_mouse_data(struct psm_softc *sc, int *c) 2416 { 2417 int s; 2418 2419 if (!kbdc_lock(sc->kbdc, TRUE)) 2420 return (EIO); 2421 2422 s = spltty(); 2423 *c = get_controller_command_byte(sc->kbdc); 2424 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2425 kbdc_get_device_mask(sc->kbdc), 2426 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2427 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2428 /* this is CONTROLLER ERROR */ 2429 splx(s); 2430 kbdc_lock(sc->kbdc, FALSE); 2431 return (EIO); 2432 } 2433 2434 /* 2435 * The device may be in the middle of status data transmission. 2436 * The transmission will be interrupted, thus, incomplete status 2437 * data must be discarded. Although the aux interrupt is disabled 2438 * at the keyboard controller level, at most one aux interrupt 2439 * may have already been pending and a data byte is in the 2440 * output buffer; throw it away. Note that the second argument 2441 * to `empty_aux_buffer()' is zero, so that the call will just 2442 * flush the internal queue. 2443 * `psmintr()' will be invoked after `splx()' if an interrupt is 2444 * pending; it will see no data and returns immediately. 2445 */ 2446 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2447 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2448 flushpackets(sc); 2449 splx(s); 2450 2451 return (0); 2452 } 2453 2454 static void 2455 dropqueue(struct psm_softc *sc) 2456 { 2457 2458 sc->queue.count = 0; 2459 sc->queue.head = 0; 2460 sc->queue.tail = 0; 2461 if ((sc->state & PSM_SOFTARMED) != 0) { 2462 sc->state &= ~PSM_SOFTARMED; 2463 callout_stop(&sc->softcallout); 2464 } 2465 sc->pqueue_start = sc->pqueue_end; 2466 } 2467 2468 static void 2469 flushpackets(struct psm_softc *sc) 2470 { 2471 2472 dropqueue(sc); 2473 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2474 } 2475 2476 static int 2477 unblock_mouse_data(struct psm_softc *sc, int c) 2478 { 2479 int error = 0; 2480 2481 /* 2482 * We may have seen a part of status data during `set_mouse_XXX()'. 2483 * they have been queued; flush it. 2484 */ 2485 empty_aux_buffer(sc->kbdc, 0); 2486 2487 /* restore ports and interrupt */ 2488 if (!set_controller_command_byte(sc->kbdc, 2489 kbdc_get_device_mask(sc->kbdc), 2490 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2491 /* 2492 * CONTROLLER ERROR; this is serious, we may have 2493 * been left with the inaccessible keyboard and 2494 * the disabled mouse interrupt. 2495 */ 2496 error = EIO; 2497 } 2498 2499 kbdc_lock(sc->kbdc, FALSE); 2500 return (error); 2501 } 2502 2503 static int 2504 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2505 { 2506 struct psm_softc *sc = dev->si_drv1; 2507 u_char buf[PSM_SMALLBUFSIZE]; 2508 int error = 0, i, l; 2509 2510 if ((sc->state & PSM_VALID) == 0) 2511 return (EIO); 2512 2513 if (sc->mode.level < PSM_LEVEL_NATIVE) 2514 return (ENODEV); 2515 2516 /* copy data from the user land */ 2517 while (uio->uio_resid > 0) { 2518 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2519 error = uiomove(buf, l, uio); 2520 if (error) 2521 break; 2522 for (i = 0; i < l; i++) { 2523 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 2524 if (!write_aux_command(sc->kbdc, buf[i])) { 2525 VLOG(2, (LOG_DEBUG, 2526 "psm: cmd 0x%x failed.\n", buf[i])); 2527 return (reinitialize(sc, FALSE)); 2528 } 2529 } 2530 } 2531 2532 return (error); 2533 } 2534 2535 static int 2536 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2537 struct thread *td) 2538 { 2539 struct psm_softc *sc = dev->si_drv1; 2540 mousemode_t mode; 2541 mousestatus_t status; 2542 #if (defined(MOUSE_GETVARS)) 2543 mousevar_t *var; 2544 #endif 2545 mousedata_t *data; 2546 int stat[3]; 2547 int command_byte; 2548 int error = 0; 2549 int s; 2550 2551 /* Perform IOCTL command */ 2552 switch (cmd) { 2553 2554 case OLD_MOUSE_GETHWINFO: 2555 s = spltty(); 2556 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2557 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2558 ((old_mousehw_t *)addr)->type = sc->hw.type; 2559 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2560 splx(s); 2561 break; 2562 2563 case MOUSE_GETHWINFO: 2564 s = spltty(); 2565 *(mousehw_t *)addr = sc->hw; 2566 if (sc->mode.level == PSM_LEVEL_BASE) 2567 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2568 splx(s); 2569 break; 2570 2571 case MOUSE_SYN_GETHWINFO: 2572 s = spltty(); 2573 if (sc->synhw.infoMajor >= 4) 2574 *(synapticshw_t *)addr = sc->synhw; 2575 else 2576 error = EINVAL; 2577 splx(s); 2578 break; 2579 2580 case OLD_MOUSE_GETMODE: 2581 s = spltty(); 2582 switch (sc->mode.level) { 2583 case PSM_LEVEL_BASE: 2584 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2585 break; 2586 case PSM_LEVEL_STANDARD: 2587 ((old_mousemode_t *)addr)->protocol = 2588 MOUSE_PROTO_SYSMOUSE; 2589 break; 2590 case PSM_LEVEL_NATIVE: 2591 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2592 break; 2593 } 2594 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2595 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2596 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2597 splx(s); 2598 break; 2599 2600 case MOUSE_GETMODE: 2601 s = spltty(); 2602 *(mousemode_t *)addr = sc->mode; 2603 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2604 ((mousemode_t *)addr)->syncmask[0] = 0; 2605 ((mousemode_t *)addr)->syncmask[1] = 0; 2606 } 2607 ((mousemode_t *)addr)->resolution = 2608 MOUSE_RES_LOW - sc->mode.resolution; 2609 switch (sc->mode.level) { 2610 case PSM_LEVEL_BASE: 2611 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2612 ((mousemode_t *)addr)->packetsize = 2613 MOUSE_PS2_PACKETSIZE; 2614 break; 2615 case PSM_LEVEL_STANDARD: 2616 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2617 ((mousemode_t *)addr)->packetsize = 2618 MOUSE_SYS_PACKETSIZE; 2619 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2620 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2621 break; 2622 case PSM_LEVEL_NATIVE: 2623 /* FIXME: this isn't quite correct... XXX */ 2624 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2625 break; 2626 } 2627 splx(s); 2628 break; 2629 2630 case OLD_MOUSE_SETMODE: 2631 case MOUSE_SETMODE: 2632 if (cmd == OLD_MOUSE_SETMODE) { 2633 mode.rate = ((old_mousemode_t *)addr)->rate; 2634 /* 2635 * resolution old I/F new I/F 2636 * default 0 0 2637 * low 1 -2 2638 * medium low 2 -3 2639 * medium high 3 -4 2640 * high 4 -5 2641 */ 2642 if (((old_mousemode_t *)addr)->resolution > 0) 2643 mode.resolution = 2644 -((old_mousemode_t *)addr)->resolution - 1; 2645 else 2646 mode.resolution = 0; 2647 mode.accelfactor = 2648 ((old_mousemode_t *)addr)->accelfactor; 2649 mode.level = -1; 2650 } else 2651 mode = *(mousemode_t *)addr; 2652 2653 /* adjust and validate parameters. */ 2654 if (mode.rate > UCHAR_MAX) 2655 return (EINVAL); 2656 if (mode.rate == 0) 2657 mode.rate = sc->dflt_mode.rate; 2658 else if (mode.rate == -1) 2659 /* don't change the current setting */ 2660 ; 2661 else if (mode.rate < 0) 2662 return (EINVAL); 2663 if (mode.resolution >= UCHAR_MAX) 2664 return (EINVAL); 2665 if (mode.resolution >= 200) 2666 mode.resolution = MOUSE_RES_HIGH; 2667 else if (mode.resolution >= 100) 2668 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2669 else if (mode.resolution >= 50) 2670 mode.resolution = MOUSE_RES_MEDIUMLOW; 2671 else if (mode.resolution > 0) 2672 mode.resolution = MOUSE_RES_LOW; 2673 if (mode.resolution == MOUSE_RES_DEFAULT) 2674 mode.resolution = sc->dflt_mode.resolution; 2675 else if (mode.resolution == -1) 2676 /* don't change the current setting */ 2677 ; 2678 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2679 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2680 if (mode.level == -1) 2681 /* don't change the current setting */ 2682 mode.level = sc->mode.level; 2683 else if ((mode.level < PSM_LEVEL_MIN) || 2684 (mode.level > PSM_LEVEL_MAX)) 2685 return (EINVAL); 2686 if (mode.accelfactor == -1) 2687 /* don't change the current setting */ 2688 mode.accelfactor = sc->mode.accelfactor; 2689 else if (mode.accelfactor < 0) 2690 return (EINVAL); 2691 2692 /* don't allow anybody to poll the keyboard controller */ 2693 error = block_mouse_data(sc, &command_byte); 2694 if (error) 2695 return (error); 2696 2697 /* set mouse parameters */ 2698 if (mode.rate > 0) 2699 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2700 mode.rate); 2701 if (mode.resolution >= 0) 2702 mode.resolution = 2703 set_mouse_resolution(sc->kbdc, mode.resolution); 2704 set_mouse_scaling(sc->kbdc, 1); 2705 get_mouse_status(sc->kbdc, stat, 0, 3); 2706 2707 s = spltty(); 2708 sc->mode.rate = mode.rate; 2709 sc->mode.resolution = mode.resolution; 2710 sc->mode.accelfactor = mode.accelfactor; 2711 sc->mode.level = mode.level; 2712 splx(s); 2713 2714 unblock_mouse_data(sc, command_byte); 2715 break; 2716 2717 case MOUSE_GETLEVEL: 2718 *(int *)addr = sc->mode.level; 2719 break; 2720 2721 case MOUSE_SETLEVEL: 2722 if ((*(int *)addr < PSM_LEVEL_MIN) || 2723 (*(int *)addr > PSM_LEVEL_MAX)) 2724 return (EINVAL); 2725 sc->mode.level = *(int *)addr; 2726 break; 2727 2728 case MOUSE_GETSTATUS: 2729 s = spltty(); 2730 status = sc->status; 2731 sc->status.flags = 0; 2732 sc->status.obutton = sc->status.button; 2733 sc->status.button = 0; 2734 sc->status.dx = 0; 2735 sc->status.dy = 0; 2736 sc->status.dz = 0; 2737 splx(s); 2738 *(mousestatus_t *)addr = status; 2739 break; 2740 2741 #if (defined(MOUSE_GETVARS)) 2742 case MOUSE_GETVARS: 2743 var = (mousevar_t *)addr; 2744 bzero(var, sizeof(*var)); 2745 s = spltty(); 2746 var->var[0] = MOUSE_VARS_PS2_SIG; 2747 var->var[1] = sc->config; 2748 var->var[2] = sc->flags; 2749 splx(s); 2750 break; 2751 2752 case MOUSE_SETVARS: 2753 return (ENODEV); 2754 #endif /* MOUSE_GETVARS */ 2755 2756 case MOUSE_READSTATE: 2757 case MOUSE_READDATA: 2758 data = (mousedata_t *)addr; 2759 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2760 return (EINVAL); 2761 2762 error = block_mouse_data(sc, &command_byte); 2763 if (error) 2764 return (error); 2765 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2766 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2767 error = EIO; 2768 unblock_mouse_data(sc, command_byte); 2769 break; 2770 2771 #if (defined(MOUSE_SETRESOLUTION)) 2772 case MOUSE_SETRESOLUTION: 2773 mode.resolution = *(int *)addr; 2774 if (mode.resolution >= UCHAR_MAX) 2775 return (EINVAL); 2776 else if (mode.resolution >= 200) 2777 mode.resolution = MOUSE_RES_HIGH; 2778 else if (mode.resolution >= 100) 2779 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2780 else if (mode.resolution >= 50) 2781 mode.resolution = MOUSE_RES_MEDIUMLOW; 2782 else if (mode.resolution > 0) 2783 mode.resolution = MOUSE_RES_LOW; 2784 if (mode.resolution == MOUSE_RES_DEFAULT) 2785 mode.resolution = sc->dflt_mode.resolution; 2786 else if (mode.resolution == -1) 2787 mode.resolution = sc->mode.resolution; 2788 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2789 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2790 2791 error = block_mouse_data(sc, &command_byte); 2792 if (error) 2793 return (error); 2794 sc->mode.resolution = 2795 set_mouse_resolution(sc->kbdc, mode.resolution); 2796 if (sc->mode.resolution != mode.resolution) 2797 error = EIO; 2798 unblock_mouse_data(sc, command_byte); 2799 break; 2800 #endif /* MOUSE_SETRESOLUTION */ 2801 2802 #if (defined(MOUSE_SETRATE)) 2803 case MOUSE_SETRATE: 2804 mode.rate = *(int *)addr; 2805 if (mode.rate > UCHAR_MAX) 2806 return (EINVAL); 2807 if (mode.rate == 0) 2808 mode.rate = sc->dflt_mode.rate; 2809 else if (mode.rate < 0) 2810 mode.rate = sc->mode.rate; 2811 2812 error = block_mouse_data(sc, &command_byte); 2813 if (error) 2814 return (error); 2815 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2816 if (sc->mode.rate != mode.rate) 2817 error = EIO; 2818 unblock_mouse_data(sc, command_byte); 2819 break; 2820 #endif /* MOUSE_SETRATE */ 2821 2822 #if (defined(MOUSE_SETSCALING)) 2823 case MOUSE_SETSCALING: 2824 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2825 return (EINVAL); 2826 2827 error = block_mouse_data(sc, &command_byte); 2828 if (error) 2829 return (error); 2830 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2831 error = EIO; 2832 unblock_mouse_data(sc, command_byte); 2833 break; 2834 #endif /* MOUSE_SETSCALING */ 2835 2836 #if (defined(MOUSE_GETHWID)) 2837 case MOUSE_GETHWID: 2838 error = block_mouse_data(sc, &command_byte); 2839 if (error) 2840 return (error); 2841 sc->hw.hwid &= ~0x00ff; 2842 sc->hw.hwid |= get_aux_id(sc->kbdc); 2843 *(int *)addr = sc->hw.hwid & 0x00ff; 2844 unblock_mouse_data(sc, command_byte); 2845 break; 2846 #endif /* MOUSE_GETHWID */ 2847 2848 case FIONBIO: 2849 case FIOASYNC: 2850 break; 2851 case FIOSETOWN: 2852 error = fsetown(*(int *)addr, &sc->async); 2853 break; 2854 case FIOGETOWN: 2855 *(int *) addr = fgetown(&sc->async); 2856 break; 2857 default: 2858 return (ENOTTY); 2859 } 2860 2861 return (error); 2862 } 2863 2864 static void 2865 psmtimeout(void *arg) 2866 { 2867 struct psm_softc *sc; 2868 int s; 2869 2870 sc = (struct psm_softc *)arg; 2871 s = spltty(); 2872 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2873 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2874 psmintr(sc); 2875 kbdc_lock(sc->kbdc, FALSE); 2876 } 2877 sc->watchdog = TRUE; 2878 splx(s); 2879 callout_reset(&sc->callout, hz, psmtimeout, sc); 2880 } 2881 2882 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2883 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2884 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2885 2886 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RWTUN, &verbose, 0, 2887 "Verbosity level"); 2888 2889 static int psmhz = 20; 2890 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2891 "Frequency of the softcallout (in hz)"); 2892 static int psmerrsecs = 2; 2893 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2894 "Number of seconds during which packets will dropped after a sync error"); 2895 static int psmerrusecs = 0; 2896 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2897 "Microseconds to add to psmerrsecs"); 2898 static int psmsecs = 0; 2899 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2900 "Max number of seconds between soft interrupts"); 2901 static int psmusecs = 500000; 2902 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2903 "Microseconds to add to psmsecs"); 2904 static int pkterrthresh = 2; 2905 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2906 "Number of error packets allowed before reinitializing the mouse"); 2907 2908 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RWTUN, &tap_enabled, 0, 2909 "Enable tap and drag gestures"); 2910 static int tap_threshold = PSM_TAP_THRESHOLD; 2911 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2912 "Button tap threshold"); 2913 static int tap_timeout = PSM_TAP_TIMEOUT; 2914 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2915 "Tap timeout for touchpads"); 2916 2917 /* Tunables */ 2918 SYSCTL_INT(_hw_psm, OID_AUTO, synaptics_support, CTLFLAG_RDTUN, 2919 &synaptics_support, 0, "Enable support for Synaptics touchpads"); 2920 2921 SYSCTL_INT(_hw_psm, OID_AUTO, trackpoint_support, CTLFLAG_RDTUN, 2922 &trackpoint_support, 0, "Enable support for IBM/Lenovo TrackPoint"); 2923 2924 SYSCTL_INT(_hw_psm, OID_AUTO, elantech_support, CTLFLAG_RDTUN, 2925 &elantech_support, 0, "Enable support for Elantech touchpads"); 2926 2927 static void 2928 psmintr(void *arg) 2929 { 2930 struct psm_softc *sc = arg; 2931 struct timeval now; 2932 int c; 2933 packetbuf_t *pb; 2934 2935 2936 /* read until there is nothing to read */ 2937 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2938 pb = &sc->pqueue[sc->pqueue_end]; 2939 2940 /* discard the byte if the device is not open */ 2941 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2942 continue; 2943 2944 getmicrouptime(&now); 2945 if ((pb->inputbytes > 0) && 2946 timevalcmp(&now, &sc->inputtimeout, >)) { 2947 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2948 "resetting byte count\n")); 2949 pb->inputbytes = 0; 2950 sc->syncerrors = 0; 2951 sc->pkterrors = 0; 2952 } 2953 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2954 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2955 timevaladd(&sc->inputtimeout, &now); 2956 2957 pb->ipacket[pb->inputbytes++] = c; 2958 2959 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2960 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2961 sc->syncerrors = 0; 2962 sc->pkterrors = 0; 2963 goto next; 2964 } else { 2965 if (pb->inputbytes < sc->mode.packetsize) 2966 continue; 2967 2968 VLOG(4, (LOG_DEBUG, 2969 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2970 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2971 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2972 } 2973 2974 c = pb->ipacket[0]; 2975 2976 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2977 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2978 sc->flags &= ~PSM_NEED_SYNCBITS; 2979 VLOG(2, (LOG_DEBUG, 2980 "psmintr: Sync bytes now %04x,%04x\n", 2981 sc->mode.syncmask[0], sc->mode.syncmask[1])); 2982 } else if ((sc->config & PSM_CONFIG_NOCHECKSYNC) == 0 && 2983 (c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2984 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2985 "(%04x != %04x) %d cmds since last error.\n", 2986 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2987 sc->cmdcount - sc->lasterr)); 2988 sc->lasterr = sc->cmdcount; 2989 /* 2990 * The sync byte test is a weak measure of packet 2991 * validity. Conservatively discard any input yet 2992 * to be seen by userland when we detect a sync 2993 * error since there is a good chance some of 2994 * the queued packets have undetected errors. 2995 */ 2996 dropqueue(sc); 2997 if (sc->syncerrors == 0) 2998 sc->pkterrors++; 2999 ++sc->syncerrors; 3000 sc->lastinputerr = now; 3001 if (sc->syncerrors >= sc->mode.packetsize * 2 || 3002 sc->pkterrors >= pkterrthresh) { 3003 /* 3004 * If we've failed to find a single sync byte 3005 * in 2 packets worth of data, or we've seen 3006 * persistent packet errors during the 3007 * validation period, reinitialize the mouse 3008 * in hopes of returning it to the expected 3009 * mode. 3010 */ 3011 VLOG(3, (LOG_DEBUG, 3012 "psmintr: reset the mouse.\n")); 3013 reinitialize(sc, TRUE); 3014 } else if (sc->syncerrors == sc->mode.packetsize) { 3015 /* 3016 * Try a soft reset after searching for a sync 3017 * byte through a packet length of bytes. 3018 */ 3019 VLOG(3, (LOG_DEBUG, 3020 "psmintr: re-enable the mouse.\n")); 3021 pb->inputbytes = 0; 3022 disable_aux_dev(sc->kbdc); 3023 enable_aux_dev(sc->kbdc); 3024 } else { 3025 VLOG(3, (LOG_DEBUG, 3026 "psmintr: discard a byte (%d)\n", 3027 sc->syncerrors)); 3028 pb->inputbytes--; 3029 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3030 pb->inputbytes); 3031 } 3032 continue; 3033 } 3034 3035 /* 3036 * We have what appears to be a valid packet. 3037 * Reset the error counters. 3038 */ 3039 sc->syncerrors = 0; 3040 3041 /* 3042 * Drop even good packets if they occur within a timeout 3043 * period of a sync error. This allows the detection of 3044 * a change in the mouse's packet mode without exposing 3045 * erratic mouse behavior to the user. Some KVMs forget 3046 * enhanced mouse modes during switch events. 3047 */ 3048 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3049 &now)) { 3050 pb->inputbytes = 0; 3051 continue; 3052 } 3053 3054 /* 3055 * Now that we're out of the validation period, reset 3056 * the packet error count. 3057 */ 3058 sc->pkterrors = 0; 3059 3060 sc->cmdcount++; 3061 next: 3062 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3063 sc->pqueue_end = 0; 3064 /* 3065 * If we've filled the queue then call the softintr ourselves, 3066 * otherwise schedule the interrupt for later. 3067 */ 3068 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3069 (sc->pqueue_end == sc->pqueue_start)) { 3070 if ((sc->state & PSM_SOFTARMED) != 0) { 3071 sc->state &= ~PSM_SOFTARMED; 3072 callout_stop(&sc->softcallout); 3073 } 3074 psmsoftintr(arg); 3075 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3076 sc->state |= PSM_SOFTARMED; 3077 callout_reset(&sc->softcallout, 3078 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3079 } 3080 } 3081 } 3082 3083 static void 3084 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3085 int *x, int *y, int *z) 3086 { 3087 3088 /* 3089 * PS2++ protocol packet 3090 * 3091 * b7 b6 b5 b4 b3 b2 b1 b0 3092 * byte 1: * 1 p3 p2 1 * * * 3093 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3094 * 3095 * p3-p0: packet type 3096 * c1, c2: c1 & c2 == 1, if p2 == 0 3097 * c1 & c2 == 0, if p2 == 1 3098 * 3099 * packet type: 0 (device type) 3100 * See comments in enable_mmanplus() below. 3101 * 3102 * packet type: 1 (wheel data) 3103 * 3104 * b7 b6 b5 b4 b3 b2 b1 b0 3105 * byte 3: h * B5 B4 s d2 d1 d0 3106 * 3107 * h: 1, if horizontal roller data 3108 * 0, if vertical roller data 3109 * B4, B5: button 4 and 5 3110 * s: sign bit 3111 * d2-d0: roller data 3112 * 3113 * packet type: 2 (reserved) 3114 */ 3115 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3116 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3117 /* 3118 * the extended data packet encodes button 3119 * and wheel events 3120 */ 3121 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3122 case 1: 3123 /* wheel data packet */ 3124 *x = *y = 0; 3125 if (pb->ipacket[2] & 0x80) { 3126 /* XXX horizontal roller count - ignore it */ 3127 ; 3128 } else { 3129 /* vertical roller count */ 3130 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3131 (pb->ipacket[2] & 0x0f) - 16 : 3132 (pb->ipacket[2] & 0x0f); 3133 } 3134 ms->button |= (pb->ipacket[2] & 3135 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3136 MOUSE_BUTTON4DOWN : 0; 3137 ms->button |= (pb->ipacket[2] & 3138 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3139 MOUSE_BUTTON5DOWN : 0; 3140 break; 3141 case 2: 3142 /* 3143 * this packet type is reserved by 3144 * Logitech... 3145 */ 3146 /* 3147 * IBM ScrollPoint Mouse uses this 3148 * packet type to encode both vertical 3149 * and horizontal scroll movement. 3150 */ 3151 *x = *y = 0; 3152 /* horizontal count */ 3153 if (pb->ipacket[2] & 0x0f) 3154 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3155 -2 : 2; 3156 /* vertical count */ 3157 if (pb->ipacket[2] & 0xf0) 3158 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3159 -1 : 1; 3160 break; 3161 case 0: 3162 /* device type packet - shouldn't happen */ 3163 /* FALLTHROUGH */ 3164 default: 3165 *x = *y = 0; 3166 ms->button = ms->obutton; 3167 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3168 "type %d: 0x%02x 0x%02x 0x%02x\n", 3169 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3170 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3171 break; 3172 } 3173 } else { 3174 /* preserve button states */ 3175 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3176 } 3177 } 3178 3179 static int 3180 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3181 int *x, int *y, int *z) 3182 { 3183 static int touchpad_buttons; 3184 static int guest_buttons; 3185 static finger_t f[PSM_FINGERS]; 3186 int w, id, nfingers, ewcode, extended_buttons; 3187 3188 extended_buttons = 0; 3189 3190 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3191 * 3192 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3193 * ------------------------------------------------ 3194 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3195 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3196 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3197 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3198 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3199 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3200 * 3201 * Legend: 3202 * L: left physical mouse button 3203 * R: right physical mouse button 3204 * D: down button 3205 * U: up button 3206 * W: "wrist" value 3207 * X: x position 3208 * Y: y position 3209 * Z: pressure 3210 * 3211 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3212 * 3213 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3214 * ------------------------------------------------------ 3215 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3216 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3217 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3218 * 3219 * Legend: 3220 * M: Middle physical mouse button 3221 * E: Extended mouse buttons reported instead of low bits of X and Y 3222 * b1-b8: Extended mouse buttons 3223 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3224 * 4 and 5, for reading X and Y value they should be zeroed. 3225 * 3226 * Absolute reportable limits: 0 - 6143. 3227 * Typical bezel limits: 1472 - 5472. 3228 * Typical edge marings: 1632 - 5312. 3229 * 3230 * w = 3 Passthrough Packet 3231 * 3232 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3233 */ 3234 3235 if (!synaptics_support) 3236 return (0); 3237 3238 /* Sanity check for out of sync packets. */ 3239 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3240 (pb->ipacket[3] & 0xc8) != 0xc0) 3241 return (-1); 3242 3243 *x = *y = 0; 3244 ms->button = ms->obutton; 3245 3246 /* 3247 * Pressure value. 3248 * Interpretation: 3249 * z = 0 No finger contact 3250 * z = 10 Finger hovering near the pad 3251 * z = 30 Very light finger contact 3252 * z = 80 Normal finger contact 3253 * z = 110 Very heavy finger contact 3254 * z = 200 Finger lying flat on pad surface 3255 * z = 255 Maximum reportable Z 3256 */ 3257 *z = pb->ipacket[2]; 3258 3259 /* 3260 * Finger width value 3261 * Interpretation: 3262 * w = 0 Two finger on the pad (capMultiFinger needed) 3263 * w = 1 Three or more fingers (capMultiFinger needed) 3264 * w = 2 Pen (instead of finger) (capPen needed) 3265 * w = 3 Reserved (passthrough?) 3266 * w = 4-7 Finger of normal width (capPalmDetect needed) 3267 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3268 * w = 15 Maximum reportable width (capPalmDetect needed) 3269 */ 3270 /* XXX Is checking capExtended enough? */ 3271 if (sc->synhw.capExtended) 3272 w = ((pb->ipacket[0] & 0x30) >> 2) | 3273 ((pb->ipacket[0] & 0x04) >> 1) | 3274 ((pb->ipacket[3] & 0x04) >> 2); 3275 else { 3276 /* Assume a finger of regular width. */ 3277 w = 4; 3278 } 3279 3280 switch (w) { 3281 case 3: 3282 /* 3283 * Handle packets from the guest device. See: 3284 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3285 */ 3286 if (sc->synhw.capPassthrough) { 3287 *x = ((pb->ipacket[1] & 0x10) ? 3288 pb->ipacket[4] - 256 : pb->ipacket[4]); 3289 *y = ((pb->ipacket[1] & 0x20) ? 3290 pb->ipacket[5] - 256 : pb->ipacket[5]); 3291 *z = 0; 3292 3293 guest_buttons = 0; 3294 if (pb->ipacket[1] & 0x01) 3295 guest_buttons |= MOUSE_BUTTON1DOWN; 3296 if (pb->ipacket[1] & 0x04) 3297 guest_buttons |= MOUSE_BUTTON2DOWN; 3298 if (pb->ipacket[1] & 0x02) 3299 guest_buttons |= MOUSE_BUTTON3DOWN; 3300 #ifdef EVDEV_SUPPORT 3301 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3302 evdev_push_rel(sc->evdev_r, REL_X, *x); 3303 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3304 evdev_push_mouse_btn(sc->evdev_r, 3305 guest_buttons); 3306 evdev_sync(sc->evdev_r); 3307 } 3308 #endif 3309 ms->button = touchpad_buttons | guest_buttons | 3310 sc->extended_buttons; 3311 } 3312 goto SYNAPTICS_END; 3313 3314 case 2: 3315 /* Handle Extended W mode packets */ 3316 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3317 #if PSM_FINGERS > 1 3318 switch (ewcode) { 3319 case 1: 3320 /* Secondary finger */ 3321 if (sc->synhw.capAdvancedGestures) 3322 f[1] = (finger_t) { 3323 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3324 pb->ipacket[1]) << 1, 3325 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3326 pb->ipacket[2]) << 1, 3327 .p = ((pb->ipacket[3] & 0x30) | 3328 (pb->ipacket[5] & 0x0f)) << 1, 3329 .w = PSM_FINGER_DEFAULT_W, 3330 .flags = PSM_FINGER_FUZZY, 3331 }; 3332 else if (sc->synhw.capReportsV) 3333 f[1] = (finger_t) { 3334 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3335 (pb->ipacket[1] & 0xfe)) << 1, 3336 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3337 (pb->ipacket[2] & 0xfe)) << 1, 3338 .p = ((pb->ipacket[3] & 0x30) | 3339 (pb->ipacket[5] & 0x0e)) << 1, 3340 .w = (((pb->ipacket[5] & 0x01) << 2) | 3341 ((pb->ipacket[2] & 0x01) << 1) | 3342 (pb->ipacket[1] & 0x01)) + 8, 3343 .flags = PSM_FINGER_FUZZY, 3344 }; 3345 default: 3346 break; 3347 } 3348 #endif 3349 goto SYNAPTICS_END; 3350 3351 case 1: 3352 case 0: 3353 nfingers = w + 2; 3354 break; 3355 3356 default: 3357 nfingers = 1; 3358 } 3359 3360 if (sc->syninfo.touchpad_off) 3361 goto SYNAPTICS_END; 3362 3363 /* Button presses */ 3364 touchpad_buttons = 0; 3365 if (pb->ipacket[0] & 0x01) 3366 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3367 if (pb->ipacket[0] & 0x02) 3368 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3369 3370 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3371 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3372 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3373 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3374 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3375 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3376 !sc->synhw.capClickPad) { 3377 /* Middle Button */ 3378 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3379 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3380 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3381 /* Extended Buttons */ 3382 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3383 if (sc->syninfo.directional_scrolls) { 3384 if (pb->ipacket[4] & 0x01) 3385 extended_buttons |= MOUSE_BUTTON4DOWN; 3386 if (pb->ipacket[5] & 0x01) 3387 extended_buttons |= MOUSE_BUTTON5DOWN; 3388 if (pb->ipacket[4] & 0x02) 3389 extended_buttons |= MOUSE_BUTTON6DOWN; 3390 if (pb->ipacket[5] & 0x02) 3391 extended_buttons |= MOUSE_BUTTON7DOWN; 3392 } else { 3393 if (pb->ipacket[4] & 0x01) 3394 extended_buttons |= MOUSE_BUTTON1DOWN; 3395 if (pb->ipacket[5] & 0x01) 3396 extended_buttons |= MOUSE_BUTTON3DOWN; 3397 if (pb->ipacket[4] & 0x02) 3398 extended_buttons |= MOUSE_BUTTON2DOWN; 3399 sc->extended_buttons = extended_buttons; 3400 } 3401 3402 /* 3403 * Zero out bits used by extended buttons to avoid 3404 * misinterpretation of the data absolute position. 3405 * 3406 * The bits represented by 3407 * 3408 * (nExtendedButtons + 1) >> 1 3409 * 3410 * will be masked out in both bytes. 3411 * The mask for n bits is computed with the formula 3412 * 3413 * (1 << n) - 1 3414 */ 3415 int maskedbits = 0; 3416 int mask = 0; 3417 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3418 mask = (1 << maskedbits) - 1; 3419 #ifdef EVDEV_SUPPORT 3420 int i; 3421 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3422 if (sc->synhw.capPassthrough) { 3423 evdev_push_mouse_btn(sc->evdev_r, 3424 extended_buttons); 3425 evdev_sync(sc->evdev_r); 3426 } 3427 for (i = 0; i < maskedbits; i++) { 3428 evdev_push_key(sc->evdev_a, 3429 BTN_0 + i * 2, 3430 pb->ipacket[4] & (1 << i)); 3431 evdev_push_key(sc->evdev_a, 3432 BTN_0 + i * 2 + 1, 3433 pb->ipacket[5] & (1 << i)); 3434 } 3435 } 3436 #endif 3437 pb->ipacket[4] &= ~(mask); 3438 pb->ipacket[5] &= ~(mask); 3439 } else if (!sc->syninfo.directional_scrolls && 3440 !sc->gesture.in_vscroll) { 3441 /* 3442 * Keep reporting MOUSE DOWN until we get a new packet 3443 * indicating otherwise. 3444 */ 3445 extended_buttons |= sc->extended_buttons; 3446 } 3447 } 3448 /* Handle ClickPad */ 3449 if (sc->synhw.capClickPad && 3450 ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01)) 3451 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3452 3453 if (sc->synhw.capReportsV && nfingers > 1) 3454 f[0] = (finger_t) { 3455 .x = ((pb->ipacket[3] & 0x10) << 8) | 3456 ((pb->ipacket[1] & 0x0f) << 8) | 3457 (pb->ipacket[4] & 0xfd), 3458 .y = ((pb->ipacket[3] & 0x20) << 7) | 3459 ((pb->ipacket[1] & 0xf0) << 4) | 3460 (pb->ipacket[5] & 0xfd), 3461 .p = *z & 0xfe, 3462 .w = (((pb->ipacket[2] & 0x01) << 2) | 3463 (pb->ipacket[5] & 0x02) | 3464 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3465 .flags = PSM_FINGER_FUZZY, 3466 }; 3467 else 3468 f[0] = (finger_t) { 3469 .x = ((pb->ipacket[3] & 0x10) << 8) | 3470 ((pb->ipacket[1] & 0x0f) << 8) | 3471 pb->ipacket[4], 3472 .y = ((pb->ipacket[3] & 0x20) << 7) | 3473 ((pb->ipacket[1] & 0xf0) << 4) | 3474 pb->ipacket[5], 3475 .p = *z, 3476 .w = w, 3477 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3478 }; 3479 3480 /* Ignore hovering and unmeasurable touches */ 3481 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3482 nfingers = 0; 3483 3484 for (id = 0; id < PSM_FINGERS; id++) 3485 if (id >= nfingers) 3486 PSM_FINGER_RESET(f[id]); 3487 3488 #ifdef EVDEV_SUPPORT 3489 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3490 for (id = 0; id < PSM_FINGERS; id++) { 3491 if (PSM_FINGER_IS_SET(f[id])) 3492 psm_push_mt_finger(sc, id, &f[id]); 3493 else 3494 psm_release_mt_slot(sc->evdev_a, id); 3495 } 3496 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3497 evdev_push_nfingers(sc->evdev_a, nfingers); 3498 if (nfingers > 0) 3499 psm_push_st_finger(sc, &f[0]); 3500 else 3501 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3502 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3503 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3504 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3505 touchpad_buttons & MOUSE_BUTTON4DOWN); 3506 evdev_push_key(sc->evdev_a, BTN_BACK, 3507 touchpad_buttons & MOUSE_BUTTON5DOWN); 3508 } 3509 evdev_sync(sc->evdev_a); 3510 } 3511 #endif 3512 3513 ms->button = touchpad_buttons; 3514 3515 psmgestures(sc, &f[0], nfingers, ms); 3516 for (id = 0; id < PSM_FINGERS; id++) 3517 psmsmoother(sc, &f[id], id, ms, x, y); 3518 3519 /* Palm detection doesn't terminate the current action. */ 3520 if (psmpalmdetect(sc, &f[0], nfingers)) { 3521 *x = *y = *z = 0; 3522 ms->button = ms->obutton; 3523 return (0); 3524 } 3525 3526 ms->button |= extended_buttons | guest_buttons; 3527 3528 SYNAPTICS_END: 3529 /* 3530 * Use the extra buttons as a scrollwheel 3531 * 3532 * XXX X.Org uses the Z axis for vertical wheel only, 3533 * whereas moused(8) understands special values to differ 3534 * vertical and horizontal wheels. 3535 * 3536 * xf86-input-mouse needs therefore a small patch to 3537 * understand these special values. Without it, the 3538 * horizontal wheel acts as a vertical wheel in X.Org. 3539 * 3540 * That's why the horizontal wheel is disabled by 3541 * default for now. 3542 */ 3543 if (ms->button & MOUSE_BUTTON4DOWN) 3544 *z = -1; 3545 else if (ms->button & MOUSE_BUTTON5DOWN) 3546 *z = 1; 3547 else if (ms->button & MOUSE_BUTTON6DOWN) 3548 *z = -2; 3549 else if (ms->button & MOUSE_BUTTON7DOWN) 3550 *z = 2; 3551 else 3552 *z = 0; 3553 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3554 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3555 3556 return (0); 3557 } 3558 3559 static int 3560 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3561 { 3562 if (!( 3563 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3564 !sc->synhw.capReportsV && nfingers > 1) || 3565 (sc->synhw.capReportsV && nfingers > 2) || 3566 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3567 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3568 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3569 /* 3570 * We consider the packet irrelevant for the current 3571 * action when: 3572 * - the width isn't comprised in: 3573 * [1; max_width] 3574 * - the pressure isn't comprised in: 3575 * [min_pressure; max_pressure] 3576 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3577 */ 3578 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3579 return (1); 3580 } 3581 return (0); 3582 } 3583 3584 static void 3585 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3586 mousestatus_t *ms) 3587 { 3588 smoother_t *smoother; 3589 gesture_t *gest; 3590 finger_t *f; 3591 int y_ok, center_button, center_x, right_button, right_x, i; 3592 3593 f = &fingers[0]; 3594 smoother = &sc->smoother[0]; 3595 gest = &sc->gesture; 3596 3597 /* Find first active finger. */ 3598 if (nfingers > 0) { 3599 for (i = 0; i < PSM_FINGERS; i++) { 3600 if (PSM_FINGER_IS_SET(fingers[i])) { 3601 f = &fingers[i]; 3602 smoother = &sc->smoother[i]; 3603 break; 3604 } 3605 } 3606 } 3607 3608 /* 3609 * Check pressure to detect a real wanted action on the 3610 * touchpad. 3611 */ 3612 if (f->p >= sc->syninfo.min_pressure) { 3613 int x0, y0; 3614 int dxp, dyp; 3615 int start_x, start_y; 3616 int queue_len; 3617 int margin_top, margin_right, margin_bottom, margin_left; 3618 int window_min, window_max; 3619 int vscroll_hor_area, vscroll_ver_area; 3620 int two_finger_scroll; 3621 int max_x, max_y; 3622 3623 /* Read sysctl. */ 3624 /* XXX Verify values? */ 3625 margin_top = sc->syninfo.margin_top; 3626 margin_right = sc->syninfo.margin_right; 3627 margin_bottom = sc->syninfo.margin_bottom; 3628 margin_left = sc->syninfo.margin_left; 3629 window_min = sc->syninfo.window_min; 3630 window_max = sc->syninfo.window_max; 3631 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3632 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3633 two_finger_scroll = sc->syninfo.two_finger_scroll; 3634 max_x = sc->syninfo.max_x; 3635 max_y = sc->syninfo.max_y; 3636 3637 /* Read current absolute position. */ 3638 x0 = f->x; 3639 y0 = f->y; 3640 3641 /* 3642 * Limit the coordinates to the specified margins because 3643 * this area isn't very reliable. 3644 */ 3645 if (x0 <= margin_left) 3646 x0 = margin_left; 3647 else if (x0 >= max_x - margin_right) 3648 x0 = max_x - margin_right; 3649 if (y0 <= margin_bottom) 3650 y0 = margin_bottom; 3651 else if (y0 >= max_y - margin_top) 3652 y0 = max_y - margin_top; 3653 3654 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3655 x0, y0, f->p, f->w)); 3656 3657 /* 3658 * If the action is just beginning, init the structure and 3659 * compute tap timeout. 3660 */ 3661 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3662 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3663 3664 /* Initialize queue. */ 3665 gest->window_min = window_min; 3666 3667 /* Reset pressure peak. */ 3668 gest->zmax = 0; 3669 3670 /* Reset fingers count. */ 3671 gest->fingers_nb = 0; 3672 3673 /* Reset virtual scrolling state. */ 3674 gest->in_vscroll = 0; 3675 3676 /* Compute tap timeout. */ 3677 gest->taptimeout.tv_sec = tap_timeout / 1000000; 3678 gest->taptimeout.tv_usec = tap_timeout % 1000000; 3679 timevaladd(&gest->taptimeout, &sc->lastsoftintr); 3680 3681 sc->flags |= PSM_FLAGS_FINGERDOWN; 3682 3683 /* Smoother has not been reset yet */ 3684 queue_len = 1; 3685 start_x = x0; 3686 start_y = y0; 3687 } else { 3688 queue_len = smoother->queue_len + 1; 3689 start_x = smoother->start_x; 3690 start_y = smoother->start_y; 3691 } 3692 3693 /* Process ClickPad softbuttons */ 3694 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3695 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3696 start_y < sc->syninfo.softbuttons_y : 3697 start_y > max_y + sc->syninfo.softbuttons_y; 3698 3699 center_button = MOUSE_BUTTON2DOWN; 3700 center_x = sc->syninfo.softbutton2_x; 3701 right_button = MOUSE_BUTTON3DOWN; 3702 right_x = sc->syninfo.softbutton3_x; 3703 3704 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3705 center_button = MOUSE_BUTTON3DOWN; 3706 center_x = sc->syninfo.softbutton3_x; 3707 right_button = MOUSE_BUTTON2DOWN; 3708 right_x = sc->syninfo.softbutton2_x; 3709 } 3710 3711 if (right_x > 0 && start_x > right_x && y_ok) 3712 ms->button = (ms->button & 3713 ~MOUSE_BUTTON1DOWN) | right_button; 3714 else if (center_x > 0 && start_x > center_x && y_ok) 3715 ms->button = (ms->button & 3716 ~MOUSE_BUTTON1DOWN) | center_button; 3717 } 3718 3719 /* If in tap-hold, add the recorded button. */ 3720 if (gest->in_taphold) 3721 ms->button |= gest->tap_button; 3722 3723 /* 3724 * For tap, we keep the maximum number of fingers and the 3725 * pressure peak. Also with multiple fingers, we increase 3726 * the minimum window. 3727 */ 3728 if (nfingers > 1) 3729 gest->window_min = window_max; 3730 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3731 gest->zmax = imax(f->p, gest->zmax); 3732 3733 /* Do we have enough packets to consider this a gesture? */ 3734 if (queue_len < gest->window_min) 3735 return; 3736 3737 /* Is a scrolling action occurring? */ 3738 if (!gest->in_taphold && !ms->button && 3739 (!gest->in_vscroll || two_finger_scroll)) { 3740 /* 3741 * A scrolling action must not conflict with a tap 3742 * action. Here are the conditions to consider a 3743 * scrolling action: 3744 * - the action in a configurable area 3745 * - one of the following: 3746 * . the distance between the last packet and the 3747 * first should be above a configurable minimum 3748 * . tap timed out 3749 */ 3750 dxp = abs(x0 - start_x); 3751 dyp = abs(y0 - start_y); 3752 3753 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3754 dxp >= sc->syninfo.vscroll_min_delta || 3755 dyp >= sc->syninfo.vscroll_min_delta) { 3756 /* 3757 * Handle two finger scrolling. 3758 * Note that we don't rely on fingers_nb 3759 * as that keeps the maximum number of fingers. 3760 */ 3761 if (two_finger_scroll) { 3762 if (nfingers == 2) { 3763 gest->in_vscroll += 3764 dyp ? 2 : 0; 3765 gest->in_vscroll += 3766 dxp ? 1 : 0; 3767 } 3768 } else { 3769 /* Check for horizontal scrolling. */ 3770 if ((vscroll_hor_area > 0 && 3771 start_y <= vscroll_hor_area) || 3772 (vscroll_hor_area < 0 && 3773 start_y >= 3774 max_y + vscroll_hor_area)) 3775 gest->in_vscroll += 2; 3776 3777 /* Check for vertical scrolling. */ 3778 if ((vscroll_ver_area > 0 && 3779 start_x <= vscroll_ver_area) || 3780 (vscroll_ver_area < 0 && 3781 start_x >= 3782 max_x + vscroll_ver_area)) 3783 gest->in_vscroll += 1; 3784 } 3785 3786 /* Avoid conflicts if area overlaps. */ 3787 if (gest->in_vscroll >= 3) 3788 gest->in_vscroll = 3789 (dxp > dyp) ? 2 : 1; 3790 } 3791 } 3792 /* 3793 * Reset two finger scrolling when the number of fingers 3794 * is different from two or any button is pressed. 3795 */ 3796 if (two_finger_scroll && gest->in_vscroll != 0 && 3797 (nfingers != 2 || ms->button)) 3798 gest->in_vscroll = 0; 3799 3800 VLOG(5, (LOG_DEBUG, 3801 "synaptics: virtual scrolling: %s " 3802 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3803 gest->in_vscroll ? "YES" : "NO", 3804 gest->in_vscroll, dxp, dyp, 3805 gest->fingers_nb)); 3806 3807 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3808 /* 3809 * An action is currently taking place but the pressure 3810 * dropped under the minimum, putting an end to it. 3811 */ 3812 int taphold_timeout, dx, dy, tap_max_delta; 3813 3814 dx = abs(smoother->queue[smoother->queue_cursor].x - 3815 smoother->start_x); 3816 dy = abs(smoother->queue[smoother->queue_cursor].y - 3817 smoother->start_y); 3818 3819 /* Max delta is disabled for multi-fingers tap. */ 3820 if (gest->fingers_nb > 1) 3821 tap_max_delta = imax(dx, dy); 3822 else 3823 tap_max_delta = sc->syninfo.tap_max_delta; 3824 3825 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3826 3827 /* Check for tap. */ 3828 VLOG(3, (LOG_DEBUG, 3829 "synaptics: zmax=%d, dx=%d, dy=%d, " 3830 "delta=%d, fingers=%d, queue=%d\n", 3831 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 3832 smoother->queue_len)); 3833 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 3834 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 3835 dx <= tap_max_delta && dy <= tap_max_delta && 3836 smoother->queue_len >= sc->syninfo.tap_min_queue) { 3837 /* 3838 * We have a tap if: 3839 * - the maximum pressure went over tap_threshold 3840 * - the action ended before tap_timeout 3841 * 3842 * To handle tap-hold, we must delay any button push to 3843 * the next action. 3844 */ 3845 if (gest->in_taphold) { 3846 /* 3847 * This is the second and last tap of a 3848 * double tap action, not a tap-hold. 3849 */ 3850 gest->in_taphold = 0; 3851 3852 /* 3853 * For double-tap to work: 3854 * - no button press is emitted (to 3855 * simulate a button release) 3856 * - PSM_FLAGS_FINGERDOWN is set to 3857 * force the next packet to emit a 3858 * button press) 3859 */ 3860 VLOG(2, (LOG_DEBUG, 3861 "synaptics: button RELEASE: %d\n", 3862 gest->tap_button)); 3863 sc->flags |= PSM_FLAGS_FINGERDOWN; 3864 3865 /* Schedule button press on next interrupt */ 3866 sc->idletimeout.tv_sec = psmhz > 1 ? 3867 0 : 1; 3868 sc->idletimeout.tv_usec = psmhz > 1 ? 3869 1000000 / psmhz : 0; 3870 } else { 3871 /* 3872 * This is the first tap: we set the 3873 * tap-hold state and notify the button 3874 * down event. 3875 */ 3876 gest->in_taphold = 1; 3877 taphold_timeout = sc->syninfo.taphold_timeout; 3878 gest->taptimeout.tv_sec = taphold_timeout / 3879 1000000; 3880 gest->taptimeout.tv_usec = taphold_timeout % 3881 1000000; 3882 sc->idletimeout = gest->taptimeout; 3883 timevaladd(&gest->taptimeout, 3884 &sc->lastsoftintr); 3885 3886 switch (gest->fingers_nb) { 3887 case 3: 3888 gest->tap_button = 3889 MOUSE_BUTTON2DOWN; 3890 break; 3891 case 2: 3892 gest->tap_button = 3893 MOUSE_BUTTON3DOWN; 3894 break; 3895 default: 3896 gest->tap_button = 3897 MOUSE_BUTTON1DOWN; 3898 } 3899 VLOG(2, (LOG_DEBUG, 3900 "synaptics: button PRESS: %d\n", 3901 gest->tap_button)); 3902 ms->button |= gest->tap_button; 3903 } 3904 } else { 3905 /* 3906 * Not enough pressure or timeout: reset 3907 * tap-hold state. 3908 */ 3909 if (gest->in_taphold) { 3910 VLOG(2, (LOG_DEBUG, 3911 "synaptics: button RELEASE: %d\n", 3912 gest->tap_button)); 3913 gest->in_taphold = 0; 3914 } else { 3915 VLOG(2, (LOG_DEBUG, 3916 "synaptics: not a tap-hold\n")); 3917 } 3918 } 3919 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 3920 /* 3921 * For a tap-hold to work, the button must remain down at 3922 * least until timeout (where the in_taphold flags will be 3923 * cleared) or during the next action. 3924 */ 3925 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 3926 ms->button |= gest->tap_button; 3927 } else { 3928 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 3929 gest->tap_button)); 3930 gest->in_taphold = 0; 3931 } 3932 } 3933 3934 return; 3935 } 3936 3937 static void 3938 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 3939 mousestatus_t *ms, int *x, int *y) 3940 { 3941 smoother_t *smoother = &sc->smoother[smoother_id]; 3942 gesture_t *gest = &(sc->gesture); 3943 3944 /* 3945 * Check pressure to detect a real wanted action on the 3946 * touchpad. 3947 */ 3948 if (f->p >= sc->syninfo.min_pressure) { 3949 int x0, y0; 3950 int cursor, peer, window; 3951 int dx, dy, dxp, dyp; 3952 int max_width, max_pressure; 3953 int margin_top, margin_right, margin_bottom, margin_left; 3954 int na_top, na_right, na_bottom, na_left; 3955 int window_min, window_max; 3956 int multiplicator; 3957 int weight_current, weight_previous, weight_len_squared; 3958 int div_min, div_max, div_len; 3959 int vscroll_hor_area, vscroll_ver_area; 3960 int two_finger_scroll; 3961 int max_x, max_y; 3962 int len, weight_prev_x, weight_prev_y; 3963 int div_max_x, div_max_y, div_x, div_y; 3964 int is_fuzzy; 3965 3966 /* Read sysctl. */ 3967 /* XXX Verify values? */ 3968 max_width = sc->syninfo.max_width; 3969 max_pressure = sc->syninfo.max_pressure; 3970 margin_top = sc->syninfo.margin_top; 3971 margin_right = sc->syninfo.margin_right; 3972 margin_bottom = sc->syninfo.margin_bottom; 3973 margin_left = sc->syninfo.margin_left; 3974 na_top = sc->syninfo.na_top; 3975 na_right = sc->syninfo.na_right; 3976 na_bottom = sc->syninfo.na_bottom; 3977 na_left = sc->syninfo.na_left; 3978 window_min = sc->syninfo.window_min; 3979 window_max = sc->syninfo.window_max; 3980 multiplicator = sc->syninfo.multiplicator; 3981 weight_current = sc->syninfo.weight_current; 3982 weight_previous = sc->syninfo.weight_previous; 3983 weight_len_squared = sc->syninfo.weight_len_squared; 3984 div_min = sc->syninfo.div_min; 3985 div_max = sc->syninfo.div_max; 3986 div_len = sc->syninfo.div_len; 3987 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3988 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3989 two_finger_scroll = sc->syninfo.two_finger_scroll; 3990 max_x = sc->syninfo.max_x; 3991 max_y = sc->syninfo.max_y; 3992 3993 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 3994 3995 /* Read current absolute position. */ 3996 x0 = f->x; 3997 y0 = f->y; 3998 3999 /* 4000 * Limit the coordinates to the specified margins because 4001 * this area isn't very reliable. 4002 */ 4003 if (x0 <= margin_left) 4004 x0 = margin_left; 4005 else if (x0 >= max_x - margin_right) 4006 x0 = max_x - margin_right; 4007 if (y0 <= margin_bottom) 4008 y0 = margin_bottom; 4009 else if (y0 >= max_y - margin_top) 4010 y0 = max_y - margin_top; 4011 4012 /* If the action is just beginning, init the structure. */ 4013 if (smoother->active == 0) { 4014 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4015 4016 /* Store the first point of this action. */ 4017 smoother->start_x = x0; 4018 smoother->start_y = y0; 4019 dx = dy = 0; 4020 4021 /* Initialize queue. */ 4022 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4023 smoother->queue_len = 0; 4024 4025 /* Reset average. */ 4026 smoother->avg_dx = 0; 4027 smoother->avg_dy = 0; 4028 4029 /* Reset squelch. */ 4030 smoother->squelch_x = 0; 4031 smoother->squelch_y = 0; 4032 4033 /* Activate queue */ 4034 smoother->active = 1; 4035 } else { 4036 /* Calculate the current delta. */ 4037 cursor = smoother->queue_cursor; 4038 dx = x0 - smoother->queue[cursor].x; 4039 dy = y0 - smoother->queue[cursor].y; 4040 } 4041 4042 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4043 smoother_id, x0, y0, f->p, f->w)); 4044 4045 /* Queue this new packet. */ 4046 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4047 smoother->queue[cursor].x = x0; 4048 smoother->queue[cursor].y = y0; 4049 smoother->queue_cursor = cursor; 4050 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4051 smoother->queue_len++; 4052 VLOG(5, (LOG_DEBUG, 4053 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4054 smoother_id, cursor, x0, y0, dx, dy)); 4055 4056 /* Do we have enough packets to consider this a movement? */ 4057 if (smoother->queue_len < gest->window_min) 4058 return; 4059 4060 weight_prev_x = weight_prev_y = weight_previous; 4061 div_max_x = div_max_y = div_max; 4062 4063 if (gest->in_vscroll) { 4064 /* Dividers are different with virtual scrolling. */ 4065 div_min = sc->syninfo.vscroll_div_min; 4066 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4067 } else { 4068 /* 4069 * There's a lot of noise in coordinates when 4070 * the finger is on the touchpad's borders. When 4071 * using this area, we apply a special weight and 4072 * div. 4073 */ 4074 if (x0 <= na_left || x0 >= max_x - na_right) { 4075 weight_prev_x = sc->syninfo.weight_previous_na; 4076 div_max_x = sc->syninfo.div_max_na; 4077 } 4078 4079 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4080 weight_prev_y = sc->syninfo.weight_previous_na; 4081 div_max_y = sc->syninfo.div_max_na; 4082 } 4083 } 4084 4085 /* 4086 * Calculate weights for the average operands and 4087 * the divisor. Both depend on the distance between 4088 * the current packet and a previous one (based on the 4089 * window width). 4090 */ 4091 window = imin(smoother->queue_len, window_max); 4092 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4093 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4094 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4095 len = (dxp * dxp) + (dyp * dyp); 4096 weight_prev_x = imin(weight_prev_x, 4097 weight_len_squared * weight_prev_x / len); 4098 weight_prev_y = imin(weight_prev_y, 4099 weight_len_squared * weight_prev_y / len); 4100 4101 len = (dxp + dyp) / 2; 4102 div_x = div_len * div_max_x / len; 4103 div_x = imin(div_max_x, div_x); 4104 div_x = imax(div_min, div_x); 4105 div_y = div_len * div_max_y / len; 4106 div_y = imin(div_max_y, div_y); 4107 div_y = imax(div_min, div_y); 4108 4109 VLOG(3, (LOG_DEBUG, 4110 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4111 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4112 div_x, div_y)); 4113 4114 /* Compute averages. */ 4115 smoother->avg_dx = 4116 (weight_current * dx * multiplicator + 4117 weight_prev_x * smoother->avg_dx) / 4118 (weight_current + weight_prev_x); 4119 4120 smoother->avg_dy = 4121 (weight_current * dy * multiplicator + 4122 weight_prev_y * smoother->avg_dy) / 4123 (weight_current + weight_prev_y); 4124 4125 VLOG(5, (LOG_DEBUG, 4126 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4127 smoother->avg_dx / multiplicator, 4128 smoother->avg_dy / multiplicator)); 4129 4130 /* Use these averages to calculate x & y. */ 4131 smoother->squelch_x += smoother->avg_dx; 4132 dxp = smoother->squelch_x / (div_x * multiplicator); 4133 smoother->squelch_x = smoother->squelch_x % 4134 (div_x * multiplicator); 4135 4136 smoother->squelch_y += smoother->avg_dy; 4137 dyp = smoother->squelch_y / (div_y * multiplicator); 4138 smoother->squelch_y = smoother->squelch_y % 4139 (div_y * multiplicator); 4140 4141 switch(gest->in_vscroll) { 4142 case 0: /* Pointer movement. */ 4143 /* On real<->fuzzy finger switch the x/y pos jumps */ 4144 if (is_fuzzy == smoother->is_fuzzy) { 4145 *x += dxp; 4146 *y += dyp; 4147 } 4148 4149 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4150 smoother_id, dx, dy, dxp, dyp)); 4151 break; 4152 case 1: /* Vertical scrolling. */ 4153 if (dyp != 0) 4154 ms->button |= (dyp > 0) ? 4155 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4156 break; 4157 case 2: /* Horizontal scrolling. */ 4158 if (dxp != 0) 4159 ms->button |= (dxp > 0) ? 4160 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4161 break; 4162 } 4163 4164 smoother->is_fuzzy = is_fuzzy; 4165 4166 } else { 4167 /* 4168 * Deactivate queue. Note: We can not just reset queue here 4169 * as these values are still used by gesture processor. 4170 * So postpone reset till next touch. 4171 */ 4172 smoother->active = 0; 4173 } 4174 } 4175 4176 static int 4177 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4178 int *x, int *y, int *z) 4179 { 4180 static int touchpad_button, trackpoint_button; 4181 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4182 int pkt, id, scale, i, nfingers, mask; 4183 4184 if (!elantech_support) 4185 return (0); 4186 4187 /* Determine packet format and do a sanity check for out of sync packets. */ 4188 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4189 pkt = ELANTECH_PKT_NOP; 4190 else if (sc->elanhw.hastrackpoint && ELANTECH_PKT_IS_TRACKPOINT(pb)) 4191 pkt = ELANTECH_PKT_TRACKPOINT; 4192 else 4193 switch (sc->elanhw.hwversion) { 4194 case 2: 4195 if (!ELANTECH_PKT_IS_V2(pb)) 4196 return (-1); 4197 4198 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4199 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4200 break; 4201 case 3: 4202 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4203 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4204 return (-1); 4205 4206 pkt = ELANTECH_PKT_V3; 4207 break; 4208 case 4: 4209 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4210 return (-1); 4211 4212 switch (pb->ipacket[3] & 0x03) { 4213 case 0x00: 4214 pkt = ELANTECH_PKT_V4_STATUS; 4215 break; 4216 case 0x01: 4217 pkt = ELANTECH_PKT_V4_HEAD; 4218 break; 4219 case 0x02: 4220 pkt = ELANTECH_PKT_V4_MOTION; 4221 break; 4222 default: 4223 return (-1); 4224 } 4225 break; 4226 default: 4227 return (-1); 4228 } 4229 4230 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4231 4232 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4233 PSM_FINGER_RESET(f[id]); 4234 4235 *x = *y = *z = 0; 4236 ms->button = ms->obutton; 4237 4238 if (sc->syninfo.touchpad_off) 4239 return (0); 4240 4241 /* Common legend 4242 * L: Left mouse button pressed 4243 * R: Right mouse button pressed 4244 * N: number of fingers on touchpad 4245 * X: absolute x value (horizontal) 4246 * Y: absolute y value (vertical) 4247 * W; width of the finger touch 4248 * P: pressure 4249 */ 4250 switch (pkt) { 4251 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4252 /* 7 6 5 4 3 2 1 0 (LSB) 4253 * ------------------------------------------- 4254 * ipacket[0]: N1 N0 W3 W2 . . R L 4255 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4256 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4257 * ipacket[3]: N4 VF W1 W0 . . . B2 4258 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4259 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4260 * ------------------------------------------- 4261 * N4: set if more than 3 fingers (only in 3 fingers mode) 4262 * VF: a kind of flag? (only on EF123, 0 when finger 4263 * is over one of the buttons, 1 otherwise) 4264 * B2: (on EF113 only, 0 otherwise), one button pressed 4265 * P & W is not reported on EF113 touchpads 4266 */ 4267 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4268 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4269 nfingers = 4; 4270 4271 if (nfingers == 0) { 4272 mask = (1 << nfingers) - 1; /* = 0x00 */ 4273 break; 4274 } 4275 4276 /* Map 3-rd and 4-th fingers to first finger */ 4277 mask = (1 << 1) - 1; /* = 0x01 */ 4278 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4279 if (sc->elanhw.haspressure) { 4280 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4281 ((pb->ipacket[3] & 0x30) >> 4); 4282 } else { 4283 f[0].p = PSM_FINGER_DEFAULT_P; 4284 f[0].w = PSM_FINGER_DEFAULT_W; 4285 } 4286 4287 /* 4288 * HW v2 dont report exact finger positions when 3 or more 4289 * fingers are on touchpad. 4290 */ 4291 if (nfingers > 2) 4292 f[0].flags = PSM_FINGER_FUZZY; 4293 4294 break; 4295 4296 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4297 /* 7 6 5 4 3 2 1 0 (LSB) 4298 * ------------------------------------------- 4299 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4300 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4301 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4302 * ipacket[3]: . . BY8 BX8 . . . . 4303 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4304 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4305 * ------------------------------------------- 4306 * AX: lower-left finger absolute x value 4307 * AY: lower-left finger absolute y value 4308 * BX: upper-right finger absolute x value 4309 * BY: upper-right finger absolute y value 4310 */ 4311 nfingers = 2; 4312 mask = (1 << nfingers) - 1; 4313 4314 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4315 f[id] = (finger_t) { 4316 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4317 pb->ipacket[id * 3 + 1]) << 2, 4318 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4319 pb->ipacket[id * 3 + 2]) << 2, 4320 .p = PSM_FINGER_DEFAULT_P, 4321 .w = PSM_FINGER_DEFAULT_W, 4322 /* HW ver.2 sends bounding box */ 4323 .flags = PSM_FINGER_FUZZY 4324 }; 4325 break; 4326 4327 case ELANTECH_PKT_V3: /* HW Version 3 */ 4328 /* 7 6 5 4 3 2 1 0 (LSB) 4329 * ------------------------------------------- 4330 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4331 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4332 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4333 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4334 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4335 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4336 * ------------------------------------------- 4337 */ 4338 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4339 /* Map 3-rd finger to first finger */ 4340 id = nfingers > 2 ? 0 : nfingers - 1; 4341 mask = (1 << (id + 1)) - 1; 4342 4343 if (nfingers == 0) 4344 break; 4345 4346 fn = ELANTECH_FINGER_SET_XYP(pb); 4347 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4348 ((pb->ipacket[3] & 0x30) >> 4); 4349 4350 /* 4351 * HW v3 dont report exact finger positions when 3 or more 4352 * fingers are on touchpad. 4353 */ 4354 if (nfingers > 1) 4355 fn.flags = PSM_FINGER_FUZZY; 4356 4357 if (nfingers == 2) { 4358 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4359 sc->elanaction.fingers[0] = fn; 4360 return (0); 4361 } else 4362 f[0] = sc->elanaction.fingers[0]; 4363 } 4364 f[id] = fn; 4365 break; 4366 4367 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4368 /* 7 6 5 4 3 2 1 0 (LSB) 4369 * ------------------------------------------- 4370 * ipacket[0]: . . . . 0 1 R L 4371 * ipacket[1]: . . . F4 F3 F2 F1 F0 4372 * ipacket[2]: . . . . . . . . 4373 * ipacket[3]: . . . 1 0 0 0 0 4374 * ipacket[4]: PL . . . . . . . 4375 * ipacket[5]: . . . . . . . . 4376 * ------------------------------------------- 4377 * Fn: finger n is on touchpad 4378 * PL: palm 4379 * HV ver4 sends a status packet to indicate that the numbers 4380 * or identities of the fingers has been changed 4381 */ 4382 4383 mask = pb->ipacket[1] & 0x1f; 4384 nfingers = bitcount(mask); 4385 4386 if (sc->elanaction.mask_v4wait != 0) 4387 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4388 " when not all previous head packets received\n")); 4389 4390 /* Bitmap of fingers to receive before gesture processing */ 4391 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4392 4393 /* Skip "new finger is on touchpad" packets */ 4394 if (sc->elanaction.mask_v4wait) { 4395 sc->elanaction.mask = mask; 4396 return (0); 4397 } 4398 4399 break; 4400 4401 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4402 /* 7 6 5 4 3 2 1 0 (LSB) 4403 * ------------------------------------------- 4404 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4405 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4406 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4407 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4408 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4409 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4410 * ------------------------------------------- 4411 * ID: finger id 4412 * HW ver 4 sends head packets in two cases: 4413 * 1. One finger touch and movement. 4414 * 2. Next after status packet to tell new finger positions. 4415 */ 4416 mask = sc->elanaction.mask; 4417 nfingers = bitcount(mask); 4418 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4419 fn = ELANTECH_FINGER_SET_XYP(pb); 4420 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4421 4422 if (id < 0) 4423 return (0); 4424 4425 /* Packet is finger position update. Report it */ 4426 if (sc->elanaction.mask_v4wait == 0) { 4427 if (id < ELANTECH_MAX_FINGERS) 4428 f[id] = fn; 4429 break; 4430 } 4431 4432 /* Remove finger from waiting bitmap and store into context */ 4433 sc->elanaction.mask_v4wait &= ~(1 << id); 4434 if (id < ELANTECH_MAX_FINGERS) 4435 sc->elanaction.fingers[id] = fn; 4436 4437 /* Wait for other fingers if needed */ 4438 if (sc->elanaction.mask_v4wait != 0) 4439 return (0); 4440 4441 /* All new fingers are received. Report them from context */ 4442 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4443 if (sc->elanaction.mask & (1 << id)) 4444 f[id] = sc->elanaction.fingers[id]; 4445 4446 break; 4447 4448 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4449 /* 7 6 5 4 3 2 1 0 (LSB) 4450 * ------------------------------------------- 4451 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4452 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4453 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4454 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4455 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4456 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4457 * ------------------------------------------- 4458 * OF: delta overflows (> 127 or < -128), in this case 4459 * firmware sends us (delta x / 5) and (delta y / 5) 4460 * ID: finger id 4461 * DX: delta x (two's complement) 4462 * XY: delta y (two's complement) 4463 * byte 0 ~ 2 for one finger 4464 * byte 3 ~ 5 for another finger 4465 */ 4466 mask = sc->elanaction.mask; 4467 nfingers = bitcount(mask); 4468 4469 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4470 for (i = 0; i <= 3; i += 3) { 4471 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4472 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4473 continue; 4474 4475 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4476 f[id] = sc->elanaction.fingers[id]; 4477 f[id].x += imax(-f[id].x, 4478 (signed char)pb->ipacket[i+1] * scale); 4479 f[id].y += imax(-f[id].y, 4480 (signed char)pb->ipacket[i+2] * scale); 4481 } else { 4482 VLOG(3, (LOG_DEBUG, "elantech: " 4483 "HW v4 motion packet skipped\n")); 4484 } 4485 } 4486 4487 break; 4488 4489 case ELANTECH_PKT_TRACKPOINT: 4490 /* 7 6 5 4 3 2 1 0 (LSB) 4491 * ------------------------------------------- 4492 * ipacket[0]: 0 0 SX SY 0 M R L 4493 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4494 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4495 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4496 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4497 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4498 * ------------------------------------------- 4499 * X and Y are written in two's complement spread 4500 * over 9 bits with SX/SY the relative top bit and 4501 * X7..X0 and Y7..Y0 the lower bits. 4502 */ 4503 *x = (pb->ipacket[0] & 0x20) ? 4504 pb->ipacket[4] - 256 : pb->ipacket[4]; 4505 *y = (pb->ipacket[0] & 0x10) ? 4506 pb->ipacket[5] - 256 : pb->ipacket[5]; 4507 4508 trackpoint_button = 4509 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4510 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0) | 4511 ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); 4512 #ifdef EVDEV_SUPPORT 4513 evdev_push_rel(sc->evdev_r, REL_X, *x); 4514 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 4515 evdev_push_mouse_btn(sc->evdev_r, trackpoint_button); 4516 evdev_sync(sc->evdev_r); 4517 #endif 4518 ms->button = touchpad_button | trackpoint_button; 4519 return (0); 4520 4521 case ELANTECH_PKT_NOP: 4522 return (0); 4523 4524 default: 4525 return (-1); 4526 } 4527 4528 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4529 if (PSM_FINGER_IS_SET(f[id])) 4530 VLOG(2, (LOG_DEBUG, "elantech: " 4531 "finger %d: down [%d, %d], %d, %d, %d\n", id + 1, 4532 f[id].x, f[id].y, f[id].p, f[id].w, f[id].flags)); 4533 4534 /* Touchpad button presses */ 4535 if (sc->elanhw.isclickpad) { 4536 touchpad_button = 4537 ((pb->ipacket[0] & 0x03) ? MOUSE_BUTTON1DOWN : 0); 4538 } else { 4539 touchpad_button = 4540 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4541 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); 4542 } 4543 4544 #ifdef EVDEV_SUPPORT 4545 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 4546 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4547 if (PSM_FINGER_IS_SET(f[id])) { 4548 psm_push_mt_finger(sc, id, &f[id]); 4549 /* Convert touch width to surface units */ 4550 evdev_push_abs(sc->evdev_a, ABS_MT_TOUCH_MAJOR, 4551 f[id].w * sc->elanhw.dptracex); 4552 } 4553 if (sc->elanaction.mask & (1 << id) && 4554 !(mask & (1 << id))) 4555 psm_release_mt_slot(sc->evdev_a, id); 4556 } 4557 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 4558 evdev_push_nfingers(sc->evdev_a, nfingers); 4559 if (nfingers > 0) { 4560 if (PSM_FINGER_IS_SET(f[0])) 4561 psm_push_st_finger(sc, &f[0]); 4562 } else 4563 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 4564 evdev_push_mouse_btn(sc->evdev_a, touchpad_button); 4565 evdev_sync(sc->evdev_a); 4566 } 4567 #endif 4568 4569 ms->button = touchpad_button | trackpoint_button; 4570 4571 /* Send finger 1 position to gesture processor */ 4572 if (PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) || 4573 nfingers == 0) 4574 psmgestures(sc, &f[0], imin(nfingers, 3), ms); 4575 /* Send fingers positions to movement smoothers */ 4576 for (id = 0; id < PSM_FINGERS; id++) 4577 if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id))) 4578 psmsmoother(sc, &f[id], id, ms, x, y); 4579 4580 /* Store current finger positions in action context */ 4581 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4582 if (PSM_FINGER_IS_SET(f[id])) 4583 sc->elanaction.fingers[id] = f[id]; 4584 if ((sc->elanaction.mask & (1 << id)) && !(mask & (1 << id))) 4585 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 4586 } 4587 sc->elanaction.mask = mask; 4588 4589 /* Palm detection doesn't terminate the current action. */ 4590 if (psmpalmdetect(sc, &f[0], nfingers)) { 4591 *x = *y = *z = 0; 4592 ms->button = ms->obutton; 4593 return (0); 4594 } 4595 4596 /* Use the extra buttons as a scrollwheel */ 4597 if (ms->button & MOUSE_BUTTON4DOWN) 4598 *z = -1; 4599 else if (ms->button & MOUSE_BUTTON5DOWN) 4600 *z = 1; 4601 else if (ms->button & MOUSE_BUTTON6DOWN) 4602 *z = -2; 4603 else if (ms->button & MOUSE_BUTTON7DOWN) 4604 *z = 2; 4605 else 4606 *z = 0; 4607 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 4608 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 4609 4610 return (0); 4611 } 4612 4613 static void 4614 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4615 int *x, int *y, int *z) 4616 { 4617 static int butmap_versapad[8] = { 4618 0, 4619 MOUSE_BUTTON3DOWN, 4620 0, 4621 MOUSE_BUTTON3DOWN, 4622 MOUSE_BUTTON1DOWN, 4623 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4624 MOUSE_BUTTON1DOWN, 4625 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 4626 }; 4627 int c, x0, y0; 4628 4629 /* VersaPad PS/2 absolute mode message format 4630 * 4631 * [packet1] 7 6 5 4 3 2 1 0(LSB) 4632 * ipacket[0]: 1 1 0 A 1 L T R 4633 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 4634 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 4635 * ipacket[3]: 1 1 1 A 1 L T R 4636 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 4637 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 4638 * 4639 * [note] 4640 * R: right physical mouse button (1=on) 4641 * T: touch pad virtual button (1=tapping) 4642 * L: left physical mouse button (1=on) 4643 * A: position data is valid (1=valid) 4644 * H: horizontal data (12bit signed integer. H11 is sign bit.) 4645 * V: vertical data (12bit signed integer. V11 is sign bit.) 4646 * P: pressure data 4647 * 4648 * Tapping is mapped to MOUSE_BUTTON4. 4649 */ 4650 c = pb->ipacket[0]; 4651 *x = *y = 0; 4652 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 4653 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 4654 if (c & MOUSE_PS2VERSA_IN_USE) { 4655 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 4656 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 4657 if (x0 & 0x800) 4658 x0 -= 0x1000; 4659 if (y0 & 0x800) 4660 y0 -= 0x1000; 4661 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4662 *x = sc->xold - x0; 4663 *y = y0 - sc->yold; 4664 if (*x < 0) /* XXX */ 4665 ++*x; 4666 else if (*x) 4667 --*x; 4668 if (*y < 0) 4669 ++*y; 4670 else if (*y) 4671 --*y; 4672 } else 4673 sc->flags |= PSM_FLAGS_FINGERDOWN; 4674 sc->xold = x0; 4675 sc->yold = y0; 4676 } else 4677 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4678 } 4679 4680 static void 4681 psmsoftintridle(void *arg) 4682 { 4683 struct psm_softc *sc = arg; 4684 packetbuf_t *pb; 4685 4686 /* Invoke soft handler only when pqueue is empty. Otherwise it will be 4687 * invoked from psmintr soon with pqueue filled with real data */ 4688 if (sc->pqueue_start == sc->pqueue_end && 4689 sc->idlepacket.inputbytes > 0) { 4690 /* Grow circular queue backwards to avoid race with psmintr */ 4691 if (--sc->pqueue_start < 0) 4692 sc->pqueue_start = PSM_PACKETQUEUE - 1; 4693 4694 pb = &sc->pqueue[sc->pqueue_start]; 4695 memcpy(pb, &sc->idlepacket, sizeof(packetbuf_t)); 4696 VLOG(4, (LOG_DEBUG, 4697 "psmsoftintridle: %02x %02x %02x %02x %02x %02x\n", 4698 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 4699 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 4700 4701 psmsoftintr(arg); 4702 } 4703 } 4704 4705 static void 4706 psmsoftintr(void *arg) 4707 { 4708 /* 4709 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 4710 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 4711 */ 4712 static int butmap[8] = { 4713 0, 4714 MOUSE_BUTTON1DOWN, 4715 MOUSE_BUTTON3DOWN, 4716 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4717 MOUSE_BUTTON2DOWN, 4718 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 4719 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 4720 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 4721 }; 4722 struct psm_softc *sc = arg; 4723 mousestatus_t ms; 4724 packetbuf_t *pb; 4725 int x, y, z, c, l, s; 4726 4727 getmicrouptime(&sc->lastsoftintr); 4728 4729 s = spltty(); 4730 4731 do { 4732 pb = &sc->pqueue[sc->pqueue_start]; 4733 4734 if (sc->mode.level == PSM_LEVEL_NATIVE) 4735 goto next_native; 4736 4737 c = pb->ipacket[0]; 4738 /* 4739 * A kludge for Kensington device! 4740 * The MSB of the horizontal count appears to be stored in 4741 * a strange place. 4742 */ 4743 if (sc->hw.model == MOUSE_MODEL_THINK) 4744 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 4745 4746 /* ignore the overflow bits... */ 4747 x = (c & MOUSE_PS2_XNEG) ? 4748 pb->ipacket[1] - 256 : pb->ipacket[1]; 4749 y = (c & MOUSE_PS2_YNEG) ? 4750 pb->ipacket[2] - 256 : pb->ipacket[2]; 4751 z = 0; 4752 ms.obutton = sc->button; /* previous button state */ 4753 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 4754 /* `tapping' action */ 4755 if (sc->config & PSM_CONFIG_FORCETAP) 4756 ms.button |= ((c & MOUSE_PS2_TAP)) ? 4757 0 : MOUSE_BUTTON4DOWN; 4758 timevalclear(&sc->idletimeout); 4759 sc->idlepacket.inputbytes = 0; 4760 4761 switch (sc->hw.model) { 4762 4763 case MOUSE_MODEL_EXPLORER: 4764 /* 4765 * b7 b6 b5 b4 b3 b2 b1 b0 4766 * byte 1: oy ox sy sx 1 M R L 4767 * byte 2: x x x x x x x x 4768 * byte 3: y y y y y y y y 4769 * byte 4: * * S2 S1 s d2 d1 d0 4770 * 4771 * L, M, R, S1, S2: left, middle, right and side buttons 4772 * s: wheel data sign bit 4773 * d2-d0: wheel data 4774 */ 4775 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4776 (pb->ipacket[3] & 0x0f) - 16 : 4777 (pb->ipacket[3] & 0x0f); 4778 ms.button |= 4779 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4780 MOUSE_BUTTON4DOWN : 0; 4781 ms.button |= 4782 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 4783 MOUSE_BUTTON5DOWN : 0; 4784 break; 4785 4786 case MOUSE_MODEL_INTELLI: 4787 case MOUSE_MODEL_NET: 4788 /* wheel data is in the fourth byte */ 4789 z = (char)pb->ipacket[3]; 4790 /* 4791 * XXX some mice may send 7 when there is no Z movement? */ 4792 if ((z >= 7) || (z <= -7)) 4793 z = 0; 4794 /* some compatible mice have additional buttons */ 4795 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 4796 MOUSE_BUTTON4DOWN : 0; 4797 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 4798 MOUSE_BUTTON5DOWN : 0; 4799 break; 4800 4801 case MOUSE_MODEL_MOUSEMANPLUS: 4802 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 4803 break; 4804 4805 case MOUSE_MODEL_GLIDEPOINT: 4806 /* `tapping' action */ 4807 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 4808 MOUSE_BUTTON4DOWN; 4809 break; 4810 4811 case MOUSE_MODEL_NETSCROLL: 4812 /* 4813 * three additional bytes encode buttons and 4814 * wheel events 4815 */ 4816 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 4817 MOUSE_BUTTON4DOWN : 0; 4818 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 4819 MOUSE_BUTTON5DOWN : 0; 4820 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 4821 pb->ipacket[4] - 256 : pb->ipacket[4]; 4822 break; 4823 4824 case MOUSE_MODEL_THINK: 4825 /* the fourth button state in the first byte */ 4826 ms.button |= (c & MOUSE_PS2_TAP) ? 4827 MOUSE_BUTTON4DOWN : 0; 4828 break; 4829 4830 case MOUSE_MODEL_VERSAPAD: 4831 proc_versapad(sc, pb, &ms, &x, &y, &z); 4832 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 4833 ((y < 0) ? MOUSE_PS2_YNEG : 0); 4834 break; 4835 4836 case MOUSE_MODEL_4D: 4837 /* 4838 * b7 b6 b5 b4 b3 b2 b1 b0 4839 * byte 1: s2 d2 s1 d1 1 M R L 4840 * byte 2: sx x x x x x x x 4841 * byte 3: sy y y y y y y y 4842 * 4843 * s1: wheel 1 direction 4844 * d1: wheel 1 data 4845 * s2: wheel 2 direction 4846 * d2: wheel 2 data 4847 */ 4848 x = (pb->ipacket[1] & 0x80) ? 4849 pb->ipacket[1] - 256 : pb->ipacket[1]; 4850 y = (pb->ipacket[2] & 0x80) ? 4851 pb->ipacket[2] - 256 : pb->ipacket[2]; 4852 switch (c & MOUSE_4D_WHEELBITS) { 4853 case 0x10: 4854 z = 1; 4855 break; 4856 case 0x30: 4857 z = -1; 4858 break; 4859 case 0x40: /* XXX 2nd wheel turning right */ 4860 z = 2; 4861 break; 4862 case 0xc0: /* XXX 2nd wheel turning left */ 4863 z = -2; 4864 break; 4865 } 4866 break; 4867 4868 case MOUSE_MODEL_4DPLUS: 4869 if ((x < 16 - 256) && (y < 16 - 256)) { 4870 /* 4871 * b7 b6 b5 b4 b3 b2 b1 b0 4872 * byte 1: 0 0 1 1 1 M R L 4873 * byte 2: 0 0 0 0 1 0 0 0 4874 * byte 3: 0 0 0 0 S s d1 d0 4875 * 4876 * L, M, R, S: left, middle, right, 4877 * and side buttons 4878 * s: wheel data sign bit 4879 * d1-d0: wheel data 4880 */ 4881 x = y = 0; 4882 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 4883 ms.button |= MOUSE_BUTTON4DOWN; 4884 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 4885 ((pb->ipacket[2] & 0x07) - 8) : 4886 (pb->ipacket[2] & 0x07) ; 4887 } else { 4888 /* preserve previous button states */ 4889 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 4890 } 4891 break; 4892 4893 case MOUSE_MODEL_SYNAPTICS: 4894 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 4895 goto next; 4896 break; 4897 4898 case MOUSE_MODEL_ELANTECH: 4899 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) 4900 goto next; 4901 break; 4902 4903 case MOUSE_MODEL_TRACKPOINT: 4904 case MOUSE_MODEL_GENERIC: 4905 default: 4906 break; 4907 } 4908 4909 #ifdef EVDEV_SUPPORT 4910 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 4911 sc->hw.model != MOUSE_MODEL_ELANTECH && 4912 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 4913 evdev_push_rel(sc->evdev_r, EV_REL, x); 4914 evdev_push_rel(sc->evdev_r, EV_REL, -y); 4915 4916 switch (sc->hw.model) { 4917 case MOUSE_MODEL_EXPLORER: 4918 case MOUSE_MODEL_INTELLI: 4919 case MOUSE_MODEL_NET: 4920 case MOUSE_MODEL_NETSCROLL: 4921 case MOUSE_MODEL_4DPLUS: 4922 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 4923 break; 4924 case MOUSE_MODEL_MOUSEMANPLUS: 4925 case MOUSE_MODEL_4D: 4926 switch (z) { 4927 case 1: 4928 case -1: 4929 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 4930 break; 4931 case 2: 4932 case -2: 4933 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 4934 break; 4935 } 4936 break; 4937 } 4938 4939 evdev_push_mouse_btn(sc->evdev_r, ms.button); 4940 evdev_sync(sc->evdev_r); 4941 } 4942 #endif 4943 4944 /* scale values */ 4945 if (sc->mode.accelfactor >= 1) { 4946 if (x != 0) { 4947 x = x * x / sc->mode.accelfactor; 4948 if (x == 0) 4949 x = 1; 4950 if (c & MOUSE_PS2_XNEG) 4951 x = -x; 4952 } 4953 if (y != 0) { 4954 y = y * y / sc->mode.accelfactor; 4955 if (y == 0) 4956 y = 1; 4957 if (c & MOUSE_PS2_YNEG) 4958 y = -y; 4959 } 4960 } 4961 4962 /* Store last packet for reinjection if it has not been set already */ 4963 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 4964 sc->idlepacket = *pb; 4965 4966 ms.dx = x; 4967 ms.dy = y; 4968 ms.dz = z; 4969 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 4970 (ms.obutton ^ ms.button); 4971 4972 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 4973 4974 sc->status.flags |= ms.flags; 4975 sc->status.dx += ms.dx; 4976 sc->status.dy += ms.dy; 4977 sc->status.dz += ms.dz; 4978 sc->status.button = ms.button; 4979 sc->button = ms.button; 4980 4981 next_native: 4982 sc->watchdog = FALSE; 4983 4984 /* queue data */ 4985 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 4986 l = imin(pb->inputbytes, 4987 sizeof(sc->queue.buf) - sc->queue.tail); 4988 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 4989 if (pb->inputbytes > l) 4990 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 4991 pb->inputbytes - l); 4992 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 4993 sizeof(sc->queue.buf); 4994 sc->queue.count += pb->inputbytes; 4995 } 4996 pb->inputbytes = 0; 4997 4998 next: 4999 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 5000 sc->pqueue_start = 0; 5001 } while (sc->pqueue_start != sc->pqueue_end); 5002 5003 if (sc->state & PSM_ASLP) { 5004 sc->state &= ~PSM_ASLP; 5005 wakeup(sc); 5006 } 5007 selwakeuppri(&sc->rsel, PZERO); 5008 if (sc->async != NULL) { 5009 pgsigio(&sc->async, SIGIO, 0); 5010 } 5011 sc->state &= ~PSM_SOFTARMED; 5012 5013 /* schedule injection of predefined packet after idletimeout 5014 * if no data packets have been received from psmintr */ 5015 if (timevalisset(&sc->idletimeout)) { 5016 sc->state |= PSM_SOFTARMED; 5017 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5018 psmsoftintridle, sc); 5019 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5020 tvtohz(&sc->idletimeout))); 5021 } 5022 splx(s); 5023 } 5024 5025 static int 5026 psmpoll(struct cdev *dev, int events, struct thread *td) 5027 { 5028 struct psm_softc *sc = dev->si_drv1; 5029 int s; 5030 int revents = 0; 5031 5032 /* Return true if a mouse event available */ 5033 s = spltty(); 5034 if (events & (POLLIN | POLLRDNORM)) { 5035 if (sc->queue.count > 0) 5036 revents |= events & (POLLIN | POLLRDNORM); 5037 else 5038 selrecord(td, &sc->rsel); 5039 } 5040 splx(s); 5041 5042 return (revents); 5043 } 5044 5045 /* vendor/model specific routines */ 5046 5047 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5048 { 5049 if (set_mouse_resolution(kbdc, res) != res) 5050 return (FALSE); 5051 if (set_mouse_scaling(kbdc, scale) && 5052 set_mouse_scaling(kbdc, scale) && 5053 set_mouse_scaling(kbdc, scale) && 5054 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5055 return (TRUE); 5056 return (FALSE); 5057 } 5058 5059 static int 5060 mouse_ext_command(KBDC kbdc, int command) 5061 { 5062 int c; 5063 5064 c = (command >> 6) & 0x03; 5065 if (set_mouse_resolution(kbdc, c) != c) 5066 return (FALSE); 5067 c = (command >> 4) & 0x03; 5068 if (set_mouse_resolution(kbdc, c) != c) 5069 return (FALSE); 5070 c = (command >> 2) & 0x03; 5071 if (set_mouse_resolution(kbdc, c) != c) 5072 return (FALSE); 5073 c = (command >> 0) & 0x03; 5074 if (set_mouse_resolution(kbdc, c) != c) 5075 return (FALSE); 5076 return (TRUE); 5077 } 5078 5079 #ifdef notyet 5080 /* Logitech MouseMan Cordless II */ 5081 static int 5082 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5083 { 5084 KBDC kbdc = sc->kbdc; 5085 int status[3]; 5086 int ch; 5087 5088 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5089 return (FALSE); 5090 if (status[1] == PSMD_RES_HIGH) 5091 return (FALSE); 5092 ch = (status[0] & 0x07) - 1; /* channel # */ 5093 if ((ch <= 0) || (ch > 4)) 5094 return (FALSE); 5095 /* 5096 * status[1]: always one? 5097 * status[2]: battery status? (0-100) 5098 */ 5099 return (TRUE); 5100 } 5101 #endif /* notyet */ 5102 5103 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5104 static int 5105 enable_groller(struct psm_softc *sc, enum probearg arg) 5106 { 5107 KBDC kbdc = sc->kbdc; 5108 int status[3]; 5109 5110 /* 5111 * The special sequence to enable the fourth button and the 5112 * roller. Immediately after this sequence check status bytes. 5113 * if the mouse is NetScroll, the second and the third bytes are 5114 * '3' and 'D'. 5115 */ 5116 5117 /* 5118 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5119 * look like the following. 5120 * 5121 * byte 1 bit 7 always 0 5122 * bit 6 stream mode (0) 5123 * bit 5 disabled (0) 5124 * bit 4 1:1 scaling (0) 5125 * bit 3 always 0 5126 * bit 0-2 button status 5127 * byte 2 resolution (PSMD_RES_HIGH) 5128 * byte 3 report rate (?) 5129 */ 5130 5131 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5132 return (FALSE); 5133 if ((status[1] != '3') || (status[2] != 'D')) 5134 return (FALSE); 5135 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5136 if (arg == PROBE) 5137 sc->hw.buttons = 4; 5138 return (TRUE); 5139 } 5140 5141 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5142 static int 5143 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5144 { 5145 KBDC kbdc = sc->kbdc; 5146 int status[3]; 5147 5148 /* 5149 * The special sequence to enable the middle, "rubber" button. 5150 * Immediately after this sequence check status bytes. 5151 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5152 * the second and the third bytes are '3' and 'U'. 5153 * NOTE: NetMouse reports that it has three buttons although it has 5154 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5155 * say they have three buttons too and they do have a button on the 5156 * side... 5157 */ 5158 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5159 return (FALSE); 5160 if ((status[1] != '3') || (status[2] != 'U')) 5161 return (FALSE); 5162 return (TRUE); 5163 } 5164 5165 /* ALPS GlidePoint */ 5166 static int 5167 enable_aglide(struct psm_softc *sc, enum probearg arg) 5168 { 5169 KBDC kbdc = sc->kbdc; 5170 int status[3]; 5171 5172 /* 5173 * The special sequence to obtain ALPS GlidePoint specific 5174 * information. Immediately after this sequence, status bytes will 5175 * contain something interesting. 5176 * NOTE: ALPS produces several models of GlidePoint. Some of those 5177 * do not respond to this sequence, thus, cannot be detected this way. 5178 */ 5179 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5180 return (FALSE); 5181 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5182 return (FALSE); 5183 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5184 return (FALSE); 5185 return (TRUE); 5186 } 5187 5188 /* Kensington ThinkingMouse/Trackball */ 5189 static int 5190 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5191 { 5192 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5193 KBDC kbdc = sc->kbdc; 5194 int status[3]; 5195 int id1; 5196 int id2; 5197 int i; 5198 5199 id1 = get_aux_id(kbdc); 5200 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5201 return (FALSE); 5202 /* 5203 * The device is now in the native mode? It returns a different 5204 * ID value... 5205 */ 5206 id2 = get_aux_id(kbdc); 5207 if ((id1 == id2) || (id2 != 2)) 5208 return (FALSE); 5209 5210 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5211 return (FALSE); 5212 #if PSM_DEBUG >= 2 5213 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5214 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5215 return (FALSE); 5216 #endif 5217 5218 /* 5219 * The special sequence to enable the third and fourth buttons. 5220 * Otherwise they behave like the first and second buttons. 5221 */ 5222 for (i = 0; i < nitems(rate); ++i) 5223 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5224 return (FALSE); 5225 5226 /* 5227 * At this point, the device is using default resolution and 5228 * sampling rate for the native mode. 5229 */ 5230 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5231 return (FALSE); 5232 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5233 return (FALSE); 5234 5235 /* the device appears be enabled by this sequence, diable it for now */ 5236 disable_aux_dev(kbdc); 5237 empty_aux_buffer(kbdc, 5); 5238 5239 return (TRUE); 5240 } 5241 5242 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5243 static int 5244 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5245 { 5246 KBDC kbdc = sc->kbdc; 5247 int data[3]; 5248 5249 /* the special sequence to enable the fourth button and the roller. */ 5250 /* 5251 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5252 * must be called exactly three times since the last RESET command 5253 * before this sequence. XXX 5254 */ 5255 if (!set_mouse_scaling(kbdc, 1)) 5256 return (FALSE); 5257 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5258 return (FALSE); 5259 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5260 return (FALSE); 5261 5262 /* 5263 * PS2++ protocol, packet type 0 5264 * 5265 * b7 b6 b5 b4 b3 b2 b1 b0 5266 * byte 1: * 1 p3 p2 1 * * * 5267 * byte 2: 1 1 p1 p0 m1 m0 1 0 5268 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5269 * 5270 * p3-p0: packet type: 0 5271 * m7-m0: model ID: MouseMan+:0x50, 5272 * FirstMouse+:0x51, 5273 * ScrollPoint:0x58... 5274 */ 5275 /* check constant bits */ 5276 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5277 return (FALSE); 5278 if ((data[1] & 0xc3) != 0xc2) 5279 return (FALSE); 5280 /* check d3-d0 in byte 2 */ 5281 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5282 return (FALSE); 5283 /* check p3-p0 */ 5284 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5285 return (FALSE); 5286 5287 if (arg == PROBE) { 5288 sc->hw.hwid &= 0x00ff; 5289 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5290 } 5291 5292 /* 5293 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5294 * the wheel and the fourth button events are encoded in the 5295 * special data packet. The mouse may be put in the IntelliMouse mode 5296 * if it is initialized by the IntelliMouse's method. 5297 */ 5298 return (TRUE); 5299 } 5300 5301 /* MS IntelliMouse Explorer */ 5302 static int 5303 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5304 { 5305 KBDC kbdc = sc->kbdc; 5306 static u_char rate0[] = { 200, 100, 80, }; 5307 static u_char rate1[] = { 200, 200, 80, }; 5308 int id; 5309 int i; 5310 5311 /* 5312 * This is needed for at least A4Tech X-7xx mice - they do not go 5313 * straight to Explorer mode, but need to be set to Intelli mode 5314 * first. 5315 */ 5316 enable_msintelli(sc, arg); 5317 5318 /* the special sequence to enable the extra buttons and the roller. */ 5319 for (i = 0; i < nitems(rate1); ++i) 5320 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5321 return (FALSE); 5322 /* the device will give the genuine ID only after the above sequence */ 5323 id = get_aux_id(kbdc); 5324 if (id != PSM_EXPLORER_ID) 5325 return (FALSE); 5326 5327 if (arg == PROBE) { 5328 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5329 sc->hw.hwid = id; 5330 } 5331 5332 /* 5333 * XXX: this is a kludge to fool some KVM switch products 5334 * which think they are clever enough to know the 4-byte IntelliMouse 5335 * protocol, and assume any other protocols use 3-byte packets. 5336 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5337 * correctly to the host computer because of this! 5338 * The following sequence is actually IntelliMouse's "wake up" 5339 * sequence; it will make the KVM think the mouse is IntelliMouse 5340 * when it is in fact IntelliMouse Explorer. 5341 */ 5342 for (i = 0; i < nitems(rate0); ++i) 5343 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5344 break; 5345 get_aux_id(kbdc); 5346 5347 return (TRUE); 5348 } 5349 5350 /* 5351 * MS IntelliMouse 5352 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5353 * probe routine and act like IntelliMouse. 5354 */ 5355 static int 5356 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5357 { 5358 KBDC kbdc = sc->kbdc; 5359 static u_char rate[] = { 200, 100, 80, }; 5360 int id; 5361 int i; 5362 5363 /* the special sequence to enable the third button and the roller. */ 5364 for (i = 0; i < nitems(rate); ++i) 5365 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5366 return (FALSE); 5367 /* the device will give the genuine ID only after the above sequence */ 5368 id = get_aux_id(kbdc); 5369 if (id != PSM_INTELLI_ID) 5370 return (FALSE); 5371 5372 if (arg == PROBE) { 5373 sc->hw.buttons = 3; 5374 sc->hw.hwid = id; 5375 } 5376 5377 return (TRUE); 5378 } 5379 5380 /* 5381 * A4 Tech 4D Mouse 5382 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5383 */ 5384 static int 5385 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5386 { 5387 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5388 KBDC kbdc = sc->kbdc; 5389 int id; 5390 int i; 5391 5392 for (i = 0; i < nitems(rate); ++i) 5393 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5394 return (FALSE); 5395 id = get_aux_id(kbdc); 5396 /* 5397 * WinEasy 4D, 4 Way Scroll 4D: 6 5398 * Cable-Free 4D: 8 (4DPLUS) 5399 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5400 */ 5401 if (id != PSM_4DMOUSE_ID) 5402 return (FALSE); 5403 5404 if (arg == PROBE) { 5405 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5406 sc->hw.hwid = id; 5407 } 5408 5409 return (TRUE); 5410 } 5411 5412 /* 5413 * A4 Tech 4D+ Mouse 5414 * Newer wheel mice from A4 Tech seem to use this protocol. 5415 * Older models are recognized as either 4D Mouse or IntelliMouse. 5416 */ 5417 static int 5418 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5419 { 5420 KBDC kbdc = sc->kbdc; 5421 int id; 5422 5423 /* 5424 * enable_4dmouse() already issued the following ID sequence... 5425 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5426 int i; 5427 5428 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5429 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5430 return (FALSE); 5431 */ 5432 5433 id = get_aux_id(kbdc); 5434 switch (id) { 5435 case PSM_4DPLUS_ID: 5436 break; 5437 case PSM_4DPLUS_RFSW35_ID: 5438 break; 5439 default: 5440 return (FALSE); 5441 } 5442 5443 if (arg == PROBE) { 5444 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5445 sc->hw.hwid = id; 5446 } 5447 5448 return (TRUE); 5449 } 5450 5451 /* Synaptics Touchpad */ 5452 static int 5453 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5454 { 5455 struct psm_softc *sc; 5456 int error, arg; 5457 5458 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5459 oidp->oid_arg2 > SYNAPTICS_SYSCTL_SOFTBUTTON3_X) 5460 return (EINVAL); 5461 5462 sc = oidp->oid_arg1; 5463 5464 /* Read the current value. */ 5465 arg = *(int *)((char *)sc + oidp->oid_arg2); 5466 error = sysctl_handle_int(oidp, &arg, 0, req); 5467 5468 /* Sanity check. */ 5469 if (error || !req->newptr) 5470 return (error); 5471 5472 /* 5473 * Check that the new value is in the concerned node's range 5474 * of values. 5475 */ 5476 switch (oidp->oid_arg2) { 5477 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5478 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5479 if (arg < 0 || arg > 255) 5480 return (EINVAL); 5481 break; 5482 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5483 if (arg < 4 || arg > 15) 5484 return (EINVAL); 5485 break; 5486 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5487 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5488 case SYNAPTICS_SYSCTL_NA_TOP: 5489 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5490 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5491 return (EINVAL); 5492 break; 5493 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5494 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5495 /* Softbuttons is clickpad only feature */ 5496 if (!sc->synhw.capClickPad && arg != 0) 5497 return (EINVAL); 5498 /* FALLTHROUGH */ 5499 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5500 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5501 case SYNAPTICS_SYSCTL_NA_RIGHT: 5502 case SYNAPTICS_SYSCTL_NA_LEFT: 5503 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5504 return (EINVAL); 5505 break; 5506 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5507 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5508 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5509 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5510 return (EINVAL); 5511 break; 5512 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5513 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5514 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5515 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5516 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5517 case SYNAPTICS_SYSCTL_DIV_MIN: 5518 case SYNAPTICS_SYSCTL_DIV_MAX: 5519 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5520 case SYNAPTICS_SYSCTL_DIV_LEN: 5521 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5522 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5523 if (arg < 1) 5524 return (EINVAL); 5525 break; 5526 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5527 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5528 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5529 if (arg < 0) 5530 return (EINVAL); 5531 break; 5532 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5533 if (arg < -sc->synhw.maximumXCoord || 5534 arg > sc->synhw.maximumXCoord) 5535 return (EINVAL); 5536 break; 5537 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5538 /* Softbuttons is clickpad only feature */ 5539 if (!sc->synhw.capClickPad && arg != 0) 5540 return (EINVAL); 5541 /* FALLTHROUGH */ 5542 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5543 if (arg < -sc->synhw.maximumYCoord || 5544 arg > sc->synhw.maximumYCoord) 5545 return (EINVAL); 5546 break; 5547 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5548 if (arg < 0 || arg > 1) 5549 return (EINVAL); 5550 break; 5551 default: 5552 return (EINVAL); 5553 } 5554 5555 /* Update. */ 5556 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5557 5558 return (error); 5559 } 5560 5561 static void 5562 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5563 { 5564 /* 5565 * Set predefined sizes for softbuttons. 5566 * Values are taken to match HP Pavilion dv6 clickpad drawings 5567 * with thin middle softbutton placed on separator 5568 */ 5569 5570 /* hw.psm.synaptics.softbuttons_y */ 5571 sc->syninfo.softbuttons_y = 1700; 5572 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5573 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5574 "softbuttons_y", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5575 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5576 synaptics_sysctl, "I", 5577 "Vertical size of softbuttons area"); 5578 5579 /* hw.psm.synaptics.softbutton2_x */ 5580 sc->syninfo.softbutton2_x = 3100; 5581 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5582 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5583 "softbutton2_x", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5584 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5585 synaptics_sysctl, "I", 5586 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5587 5588 /* hw.psm.synaptics.softbutton3_x */ 5589 sc->syninfo.softbutton3_x = 3900; 5590 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5591 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5592 "softbutton3_x", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5593 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5594 synaptics_sysctl, "I", 5595 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5596 } 5597 5598 static void 5599 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5600 const char *descr) 5601 { 5602 5603 if (sc->syninfo.sysctl_tree != NULL) 5604 return; 5605 5606 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5607 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5608 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5609 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, CTLFLAG_RD, 5610 0, descr); 5611 5612 /* hw.psm.synaptics.directional_scrolls. */ 5613 sc->syninfo.directional_scrolls = 0; 5614 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5615 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5616 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5617 &sc->syninfo.directional_scrolls, 0, 5618 "Enable hardware scrolling pad (if non-zero) or register it as " 5619 "extended buttons (if 0)"); 5620 5621 /* hw.psm.synaptics.max_x. */ 5622 sc->syninfo.max_x = 6143; 5623 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5624 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5625 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5626 &sc->syninfo.max_x, 0, 5627 "Horizontal reporting range"); 5628 5629 /* hw.psm.synaptics.max_y. */ 5630 sc->syninfo.max_y = 6143; 5631 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5632 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5633 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5634 &sc->syninfo.max_y, 0, 5635 "Vertical reporting range"); 5636 5637 /* 5638 * Turn off two finger scroll if we have a 5639 * physical area reserved for scrolling or when 5640 * there's no multi finger support. 5641 */ 5642 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5643 sc->synhw.capAdvancedGestures == 0)) 5644 sc->syninfo.two_finger_scroll = 0; 5645 else 5646 sc->syninfo.two_finger_scroll = 1; 5647 /* hw.psm.synaptics.two_finger_scroll. */ 5648 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5649 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5650 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5651 &sc->syninfo.two_finger_scroll, 0, 5652 "Enable two finger scrolling"); 5653 5654 /* hw.psm.synaptics.min_pressure. */ 5655 sc->syninfo.min_pressure = 32; 5656 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5657 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5658 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5659 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5660 synaptics_sysctl, "I", 5661 "Minimum pressure required to start an action"); 5662 5663 /* hw.psm.synaptics.max_pressure. */ 5664 sc->syninfo.max_pressure = 220; 5665 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5666 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5667 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5668 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5669 synaptics_sysctl, "I", 5670 "Maximum pressure to detect palm"); 5671 5672 /* hw.psm.synaptics.max_width. */ 5673 sc->syninfo.max_width = 10; 5674 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5675 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5676 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5677 sc, SYNAPTICS_SYSCTL_MAX_WIDTH, 5678 synaptics_sysctl, "I", 5679 "Maximum finger width to detect palm"); 5680 5681 /* hw.psm.synaptics.top_margin. */ 5682 sc->syninfo.margin_top = 200; 5683 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5684 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5685 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5686 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5687 synaptics_sysctl, "I", 5688 "Top margin"); 5689 5690 /* hw.psm.synaptics.right_margin. */ 5691 sc->syninfo.margin_right = 200; 5692 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5693 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5694 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5695 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5696 synaptics_sysctl, "I", 5697 "Right margin"); 5698 5699 /* hw.psm.synaptics.bottom_margin. */ 5700 sc->syninfo.margin_bottom = 200; 5701 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5702 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5703 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5704 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5705 synaptics_sysctl, "I", 5706 "Bottom margin"); 5707 5708 /* hw.psm.synaptics.left_margin. */ 5709 sc->syninfo.margin_left = 200; 5710 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5711 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5712 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5713 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5714 synaptics_sysctl, "I", 5715 "Left margin"); 5716 5717 /* hw.psm.synaptics.na_top. */ 5718 sc->syninfo.na_top = 1783; 5719 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5720 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5721 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5722 sc, SYNAPTICS_SYSCTL_NA_TOP, 5723 synaptics_sysctl, "I", 5724 "Top noisy area, where weight_previous_na is used instead " 5725 "of weight_previous"); 5726 5727 /* hw.psm.synaptics.na_right. */ 5728 sc->syninfo.na_right = 563; 5729 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5730 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5731 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5732 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 5733 synaptics_sysctl, "I", 5734 "Right noisy area, where weight_previous_na is used instead " 5735 "of weight_previous"); 5736 5737 /* hw.psm.synaptics.na_bottom. */ 5738 sc->syninfo.na_bottom = 1408; 5739 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5740 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5741 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5742 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 5743 synaptics_sysctl, "I", 5744 "Bottom noisy area, where weight_previous_na is used instead " 5745 "of weight_previous"); 5746 5747 /* hw.psm.synaptics.na_left. */ 5748 sc->syninfo.na_left = 1600; 5749 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5750 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5751 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5752 sc, SYNAPTICS_SYSCTL_NA_LEFT, 5753 synaptics_sysctl, "I", 5754 "Left noisy area, where weight_previous_na is used instead " 5755 "of weight_previous"); 5756 5757 /* hw.psm.synaptics.window_min. */ 5758 sc->syninfo.window_min = 4; 5759 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5760 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5761 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5762 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 5763 synaptics_sysctl, "I", 5764 "Minimum window size to start an action"); 5765 5766 /* hw.psm.synaptics.window_max. */ 5767 sc->syninfo.window_max = 10; 5768 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5769 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5770 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5771 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 5772 synaptics_sysctl, "I", 5773 "Maximum window size"); 5774 5775 /* hw.psm.synaptics.multiplicator. */ 5776 sc->syninfo.multiplicator = 10000; 5777 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5778 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5779 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5780 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 5781 synaptics_sysctl, "I", 5782 "Multiplicator to increase precision in averages and divisions"); 5783 5784 /* hw.psm.synaptics.weight_current. */ 5785 sc->syninfo.weight_current = 3; 5786 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5787 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5788 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5789 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 5790 synaptics_sysctl, "I", 5791 "Weight of the current movement in the new average"); 5792 5793 /* hw.psm.synaptics.weight_previous. */ 5794 sc->syninfo.weight_previous = 6; 5795 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5796 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5797 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5798 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 5799 synaptics_sysctl, "I", 5800 "Weight of the previous average"); 5801 5802 /* hw.psm.synaptics.weight_previous_na. */ 5803 sc->syninfo.weight_previous_na = 20; 5804 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5805 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5806 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5807 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 5808 synaptics_sysctl, "I", 5809 "Weight of the previous average (inside the noisy area)"); 5810 5811 /* hw.psm.synaptics.weight_len_squared. */ 5812 sc->syninfo.weight_len_squared = 2000; 5813 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5814 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5815 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5816 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 5817 synaptics_sysctl, "I", 5818 "Length (squared) of segments where weight_previous " 5819 "starts to decrease"); 5820 5821 /* hw.psm.synaptics.div_min. */ 5822 sc->syninfo.div_min = 9; 5823 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5824 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5825 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5826 sc, SYNAPTICS_SYSCTL_DIV_MIN, 5827 synaptics_sysctl, "I", 5828 "Divisor for fast movements"); 5829 5830 /* hw.psm.synaptics.div_max. */ 5831 sc->syninfo.div_max = 17; 5832 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5833 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5834 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5835 sc, SYNAPTICS_SYSCTL_DIV_MAX, 5836 synaptics_sysctl, "I", 5837 "Divisor for slow movements"); 5838 5839 /* hw.psm.synaptics.div_max_na. */ 5840 sc->syninfo.div_max_na = 30; 5841 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5842 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5843 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5844 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 5845 synaptics_sysctl, "I", 5846 "Divisor with slow movements (inside the noisy area)"); 5847 5848 /* hw.psm.synaptics.div_len. */ 5849 sc->syninfo.div_len = 100; 5850 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5851 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5852 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5853 sc, SYNAPTICS_SYSCTL_DIV_LEN, 5854 synaptics_sysctl, "I", 5855 "Length of segments where div_max starts to decrease"); 5856 5857 /* hw.psm.synaptics.tap_max_delta. */ 5858 sc->syninfo.tap_max_delta = 80; 5859 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5860 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5861 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5862 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 5863 synaptics_sysctl, "I", 5864 "Length of segments above which a tap is ignored"); 5865 5866 /* hw.psm.synaptics.tap_min_queue. */ 5867 sc->syninfo.tap_min_queue = 2; 5868 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5869 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5870 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5871 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 5872 synaptics_sysctl, "I", 5873 "Number of packets required to consider a tap"); 5874 5875 /* hw.psm.synaptics.taphold_timeout. */ 5876 sc->gesture.in_taphold = 0; 5877 sc->syninfo.taphold_timeout = tap_timeout; 5878 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5879 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5880 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5881 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 5882 synaptics_sysctl, "I", 5883 "Maximum elapsed time between two taps to consider a tap-hold " 5884 "action"); 5885 5886 /* hw.psm.synaptics.vscroll_hor_area. */ 5887 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 5888 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5889 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5890 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5891 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 5892 synaptics_sysctl, "I", 5893 "Area reserved for horizontal virtual scrolling"); 5894 5895 /* hw.psm.synaptics.vscroll_ver_area. */ 5896 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 5897 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5898 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5899 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5900 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 5901 synaptics_sysctl, "I", 5902 "Area reserved for vertical virtual scrolling"); 5903 5904 /* hw.psm.synaptics.vscroll_min_delta. */ 5905 sc->syninfo.vscroll_min_delta = 50; 5906 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5907 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5908 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5909 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 5910 synaptics_sysctl, "I", 5911 "Minimum movement to consider virtual scrolling"); 5912 5913 /* hw.psm.synaptics.vscroll_div_min. */ 5914 sc->syninfo.vscroll_div_min = 100; 5915 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5916 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5917 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5918 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 5919 synaptics_sysctl, "I", 5920 "Divisor for fast scrolling"); 5921 5922 /* hw.psm.synaptics.vscroll_div_min. */ 5923 sc->syninfo.vscroll_div_max = 150; 5924 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5925 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5926 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5927 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 5928 synaptics_sysctl, "I", 5929 "Divisor for slow scrolling"); 5930 5931 /* hw.psm.synaptics.touchpad_off. */ 5932 sc->syninfo.touchpad_off = 0; 5933 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5934 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5935 "touchpad_off", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5936 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 5937 synaptics_sysctl, "I", 5938 "Turn off touchpad"); 5939 5940 sc->syninfo.softbuttons_y = 0; 5941 sc->syninfo.softbutton2_x = 0; 5942 sc->syninfo.softbutton3_x = 0; 5943 5944 /* skip softbuttons sysctl on not clickpads */ 5945 if (sc->synhw.capClickPad) 5946 synaptics_sysctl_create_softbuttons_tree(sc); 5947 } 5948 5949 static int 5950 synaptics_preferred_mode(struct psm_softc *sc) { 5951 int mode_byte; 5952 5953 /* Check if we are in relative mode */ 5954 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5955 if (tap_enabled == 0) 5956 /* 5957 * Disable tap & drag gestures. We use a Mode Byte 5958 * and set the DisGest bit (see §2.5 of Synaptics 5959 * TouchPad Interfacing Guide). 5960 */ 5961 return (0x04); 5962 else 5963 /* 5964 * Enable tap & drag gestures. We use a Mode Byte 5965 * and clear the DisGest bit (see §2.5 of Synaptics 5966 * TouchPad Interfacing Guide). 5967 */ 5968 return (0x00); 5969 } 5970 5971 mode_byte = 0xc4; 5972 5973 /* request wmode where available */ 5974 if (sc->synhw.capExtended) 5975 mode_byte |= 1; 5976 5977 return mode_byte; 5978 } 5979 5980 static void 5981 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 5982 mouse_ext_command(sc->kbdc, mode_byte); 5983 5984 /* "Commit" the Set Mode Byte command sent above. */ 5985 set_mouse_sampling_rate(sc->kbdc, 20); 5986 5987 /* 5988 * Enable advanced gestures mode if supported and we are not entering 5989 * passthrough or relative mode. 5990 */ 5991 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 5992 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 5993 mouse_ext_command(sc->kbdc, 3); 5994 set_mouse_sampling_rate(sc->kbdc, 0xc8); 5995 } 5996 } 5997 5998 static int 5999 enable_synaptics(struct psm_softc *sc, enum probearg arg) 6000 { 6001 KBDC kbdc = sc->kbdc; 6002 synapticshw_t synhw; 6003 int status[3]; 6004 int buttons; 6005 6006 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6007 6008 /* 6009 * Just to be on the safe side: this avoids troubles with 6010 * following mouse_ext_command() when the previous command 6011 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6012 * Synaptics Touchpad behaviour. 6013 */ 6014 set_mouse_scaling(kbdc, 1); 6015 6016 /* Identify the Touchpad version. */ 6017 if (mouse_ext_command(kbdc, 0) == 0) 6018 return (FALSE); 6019 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6020 return (FALSE); 6021 if (status[1] != 0x47) 6022 return (FALSE); 6023 6024 bzero(&synhw, sizeof(synhw)); 6025 synhw.infoMinor = status[0]; 6026 synhw.infoMajor = status[2] & 0x0f; 6027 6028 if (verbose >= 2) 6029 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6030 synhw.infoMinor); 6031 6032 if (synhw.infoMajor < 4) { 6033 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6034 return (FALSE); 6035 } 6036 6037 /* Get the Touchpad model information. */ 6038 if (mouse_ext_command(kbdc, 3) == 0) 6039 return (FALSE); 6040 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6041 return (FALSE); 6042 if ((status[1] & 0x01) != 0) { 6043 printf(" Failed to read model information\n"); 6044 return (FALSE); 6045 } 6046 6047 synhw.infoRot180 = (status[0] & 0x80) != 0; 6048 synhw.infoPortrait = (status[0] & 0x40) != 0; 6049 synhw.infoSensor = status[0] & 0x3f; 6050 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6051 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6052 synhw.capPen = (status[2] & 0x40) != 0; 6053 synhw.infoSimplC = (status[2] & 0x20) != 0; 6054 synhw.infoGeometry = status[2] & 0x0f; 6055 6056 if (verbose >= 2) { 6057 printf(" Model information:\n"); 6058 printf(" infoRot180: %d\n", synhw.infoRot180); 6059 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6060 printf(" infoSensor: %d\n", synhw.infoSensor); 6061 printf(" infoHardware: %d\n", synhw.infoHardware); 6062 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6063 printf(" capPen: %d\n", synhw.capPen); 6064 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6065 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6066 } 6067 6068 /* Read the extended capability bits. */ 6069 if (mouse_ext_command(kbdc, 2) == 0) 6070 return (FALSE); 6071 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6072 return (FALSE); 6073 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6074 printf(" Failed to read extended capability bits\n"); 6075 return (FALSE); 6076 } 6077 6078 /* Set the different capabilities when they exist. */ 6079 buttons = 0; 6080 synhw.capExtended = (status[0] & 0x80) != 0; 6081 if (synhw.capExtended) { 6082 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6083 synhw.capMiddle = (status[0] & 0x04) != 0; 6084 synhw.capPassthrough = (status[2] & 0x80) != 0; 6085 synhw.capLowPower = (status[2] & 0x40) != 0; 6086 synhw.capMultiFingerReport = 6087 (status[2] & 0x20) != 0; 6088 synhw.capSleep = (status[2] & 0x10) != 0; 6089 synhw.capFourButtons = (status[2] & 0x08) != 0; 6090 synhw.capBallistics = (status[2] & 0x04) != 0; 6091 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6092 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6093 6094 if (!set_mouse_scaling(kbdc, 1)) 6095 return (FALSE); 6096 if (mouse_ext_command(kbdc, 0x08) == 0) 6097 return (FALSE); 6098 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6099 return (FALSE); 6100 6101 if (status[0] != 0 && (status[1] & 0x80) && status[2] != 0) { 6102 synhw.infoXupmm = status[0]; 6103 synhw.infoYupmm = status[2]; 6104 } 6105 6106 if (verbose >= 2) { 6107 printf(" Extended capabilities:\n"); 6108 printf(" capExtended: %d\n", synhw.capExtended); 6109 printf(" capMiddle: %d\n", synhw.capMiddle); 6110 printf(" nExtendedQueries: %d\n", 6111 synhw.nExtendedQueries); 6112 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6113 printf(" capLowPower: %d\n", synhw.capLowPower); 6114 printf(" capMultiFingerReport: %d\n", 6115 synhw.capMultiFingerReport); 6116 printf(" capSleep: %d\n", synhw.capSleep); 6117 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6118 printf(" capBallistics: %d\n", synhw.capBallistics); 6119 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6120 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6121 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6122 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6123 } 6124 6125 /* 6126 * If nExtendedQueries is 1 or greater, then the TouchPad 6127 * supports this number of extended queries. We can load 6128 * more information about buttons using query 0x09. 6129 */ 6130 if (synhw.nExtendedQueries >= 1) { 6131 if (!set_mouse_scaling(kbdc, 1)) 6132 return (FALSE); 6133 if (mouse_ext_command(kbdc, 0x09) == 0) 6134 return (FALSE); 6135 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6136 return (FALSE); 6137 synhw.verticalScroll = (status[0] & 0x01) != 0; 6138 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6139 synhw.verticalWheel = (status[0] & 0x08) != 0; 6140 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6141 synhw.capEWmode = (status[0] & 0x04) != 0; 6142 if (verbose >= 2) { 6143 printf(" Extended model ID:\n"); 6144 printf(" verticalScroll: %d\n", 6145 synhw.verticalScroll); 6146 printf(" horizontalScroll: %d\n", 6147 synhw.horizontalScroll); 6148 printf(" verticalWheel: %d\n", 6149 synhw.verticalWheel); 6150 printf(" nExtendedButtons: %d\n", 6151 synhw.nExtendedButtons); 6152 printf(" capEWmode: %d\n", 6153 synhw.capEWmode); 6154 } 6155 /* 6156 * Add the number of extended buttons to the total 6157 * button support count, including the middle button 6158 * if capMiddle support bit is set. 6159 */ 6160 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6161 } else 6162 /* 6163 * If the capFourButtons support bit is set, 6164 * add a fourth button to the total button count. 6165 */ 6166 buttons = synhw.capFourButtons ? 1 : 0; 6167 6168 /* Read the continued capabilities bits. */ 6169 if (synhw.nExtendedQueries >= 4) { 6170 if (!set_mouse_scaling(kbdc, 1)) 6171 return (FALSE); 6172 if (mouse_ext_command(kbdc, 0x0c) == 0) 6173 return (FALSE); 6174 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6175 return (FALSE); 6176 6177 synhw.capClickPad = (status[1] & 0x01) << 1; 6178 synhw.capClickPad |= (status[0] & 0x10) != 0; 6179 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6180 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6181 synhw.capReportsV = (status[1] & 0x08) != 0; 6182 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6183 synhw.capReportsMin = (status[1] & 0x20) != 0; 6184 synhw.capInterTouch = (status[1] & 0x40) != 0; 6185 synhw.capReportsMax = (status[0] & 0x02) != 0; 6186 synhw.capClearPad = (status[0] & 0x04) != 0; 6187 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6188 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6189 6190 if (synhw.capReportsMax) { 6191 if (!set_mouse_scaling(kbdc, 1)) 6192 return (FALSE); 6193 if (mouse_ext_command(kbdc, 0x0d) == 0) 6194 return (FALSE); 6195 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6196 return (FALSE); 6197 6198 synhw.maximumXCoord = (status[0] << 5) | 6199 ((status[1] & 0x0f) << 1); 6200 synhw.maximumYCoord = (status[2] << 5) | 6201 ((status[1] & 0xf0) >> 3); 6202 } else { 6203 /* 6204 * Typical bezel limits. Taken from 'Synaptics 6205 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6206 */ 6207 synhw.maximumXCoord = 5472; 6208 synhw.maximumYCoord = 4448; 6209 } 6210 6211 if (synhw.capReportsMin) { 6212 if (!set_mouse_scaling(kbdc, 1)) 6213 return (FALSE); 6214 if (mouse_ext_command(kbdc, 0x0f) == 0) 6215 return (FALSE); 6216 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6217 return (FALSE); 6218 6219 synhw.minimumXCoord = (status[0] << 5) | 6220 ((status[1] & 0x0f) << 1); 6221 synhw.minimumYCoord = (status[2] << 5) | 6222 ((status[1] & 0xf0) >> 3); 6223 } else { 6224 /* 6225 * Typical bezel limits. Taken from 'Synaptics 6226 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6227 */ 6228 synhw.minimumXCoord = 1472; 6229 synhw.minimumYCoord = 1408; 6230 } 6231 6232 if (verbose >= 2) { 6233 printf(" Continued capabilities:\n"); 6234 printf(" capClickPad: %d\n", 6235 synhw.capClickPad); 6236 printf(" capDeluxeLEDs: %d\n", 6237 synhw.capDeluxeLEDs); 6238 printf(" noAbsoluteFilter: %d\n", 6239 synhw.noAbsoluteFilter); 6240 printf(" capReportsV: %d\n", 6241 synhw.capReportsV); 6242 printf(" capUniformClickPad: %d\n", 6243 synhw.capUniformClickPad); 6244 printf(" capReportsMin: %d\n", 6245 synhw.capReportsMin); 6246 printf(" capInterTouch: %d\n", 6247 synhw.capInterTouch); 6248 printf(" capReportsMax: %d\n", 6249 synhw.capReportsMax); 6250 printf(" capClearPad: %d\n", 6251 synhw.capClearPad); 6252 printf(" capAdvancedGestures: %d\n", 6253 synhw.capAdvancedGestures); 6254 printf(" capCoveredPad: %d\n", 6255 synhw.capCoveredPad); 6256 if (synhw.capReportsMax) { 6257 printf(" maximumXCoord: %d\n", 6258 synhw.maximumXCoord); 6259 printf(" maximumYCoord: %d\n", 6260 synhw.maximumYCoord); 6261 } 6262 if (synhw.capReportsMin) { 6263 printf(" minimumXCoord: %d\n", 6264 synhw.minimumXCoord); 6265 printf(" minimumYCoord: %d\n", 6266 synhw.minimumYCoord); 6267 } 6268 } 6269 buttons += synhw.capClickPad; 6270 } 6271 } 6272 6273 if (verbose >= 2) { 6274 if (synhw.capExtended) 6275 printf(" Additional Buttons: %d\n", buttons); 6276 else 6277 printf(" No extended capabilities\n"); 6278 } 6279 6280 /* 6281 * Add the default number of 3 buttons to the total 6282 * count of supported buttons reported above. 6283 */ 6284 buttons += 3; 6285 6286 /* 6287 * Read the mode byte. 6288 * 6289 * XXX: Note the Synaptics documentation also defines the first 6290 * byte of the response to this query to be a constant 0x3b, this 6291 * does not appear to be true for Touchpads with guest devices. 6292 */ 6293 if (mouse_ext_command(kbdc, 1) == 0) 6294 return (FALSE); 6295 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6296 return (FALSE); 6297 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6298 printf(" Failed to read mode byte\n"); 6299 return (FALSE); 6300 } 6301 6302 if (arg == PROBE) 6303 sc->synhw = synhw; 6304 if (!synaptics_support) 6305 return (FALSE); 6306 6307 /* Set mouse type just now for synaptics_set_mode() */ 6308 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6309 6310 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6311 6312 if (trackpoint_support && synhw.capPassthrough) { 6313 enable_trackpoint(sc, arg); 6314 } 6315 6316 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6317 6318 if (arg == PROBE) { 6319 /* Create sysctl tree. */ 6320 synaptics_sysctl_create_tree(sc, "synaptics", 6321 "Synaptics TouchPad"); 6322 sc->hw.buttons = buttons; 6323 } 6324 6325 return (TRUE); 6326 } 6327 6328 static void 6329 synaptics_passthrough_on(struct psm_softc *sc) 6330 { 6331 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6332 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6333 } 6334 6335 static void 6336 synaptics_passthrough_off(struct psm_softc *sc) 6337 { 6338 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6339 set_mouse_scaling(sc->kbdc, 2); 6340 set_mouse_scaling(sc->kbdc, 1); 6341 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6342 } 6343 6344 /* IBM/Lenovo TrackPoint */ 6345 static int 6346 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6347 { 6348 const int seq[] = { 0xe2, cmd, loc, val }; 6349 int i; 6350 6351 if (sc->synhw.capPassthrough) 6352 synaptics_passthrough_on(sc); 6353 6354 for (i = 0; i < nitems(seq); i++) { 6355 if (sc->synhw.capPassthrough && 6356 (seq[i] == 0xff || seq[i] == 0xe7)) 6357 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6358 synaptics_passthrough_off(sc); 6359 return (EIO); 6360 } 6361 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6362 if (sc->synhw.capPassthrough) 6363 synaptics_passthrough_off(sc); 6364 return (EIO); 6365 } 6366 } 6367 6368 if (sc->synhw.capPassthrough) 6369 synaptics_passthrough_off(sc); 6370 6371 return (0); 6372 } 6373 6374 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6375 #define TPMASK 0 6376 #define TPLOC 1 6377 #define TPINFO 2 6378 6379 static int 6380 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6381 { 6382 static const int data[][3] = { 6383 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6384 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6385 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6386 { 0x00, 0x57, PSM_TPINFO(reach) }, 6387 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6388 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6389 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6390 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6391 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6392 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6393 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6394 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6395 }; 6396 struct psm_softc *sc; 6397 int error, newval, *oldvalp; 6398 const int *tp; 6399 6400 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6401 return (EINVAL); 6402 sc = arg1; 6403 tp = data[arg2]; 6404 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6405 newval = *oldvalp; 6406 error = sysctl_handle_int(oidp, &newval, 0, req); 6407 if (error != 0) 6408 return (error); 6409 if (newval == *oldvalp) 6410 return (0); 6411 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6412 return (EINVAL); 6413 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6414 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6415 if (error != 0) 6416 return (error); 6417 *oldvalp = newval; 6418 6419 return (0); 6420 } 6421 6422 static void 6423 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6424 { 6425 6426 if (sc->tpinfo.sysctl_tree != NULL) 6427 return; 6428 6429 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6430 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6431 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6432 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 6433 0, "IBM/Lenovo TrackPoint"); 6434 6435 /* hw.psm.trackpoint.sensitivity */ 6436 sc->tpinfo.sensitivity = 0x80; 6437 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6438 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6439 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6440 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6441 trackpoint_sysctl, "I", 6442 "Sensitivity"); 6443 6444 /* hw.psm.trackpoint.negative_inertia */ 6445 sc->tpinfo.inertia = 0x06; 6446 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6447 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6448 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6449 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6450 trackpoint_sysctl, "I", 6451 "Negative inertia factor"); 6452 6453 /* hw.psm.trackpoint.upper_plateau */ 6454 sc->tpinfo.uplateau = 0x61; 6455 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6456 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6457 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6458 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6459 trackpoint_sysctl, "I", 6460 "Transfer function upper plateau speed"); 6461 6462 /* hw.psm.trackpoint.backup_range */ 6463 sc->tpinfo.reach = 0x0a; 6464 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6465 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6466 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6467 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6468 trackpoint_sysctl, "I", 6469 "Backup range"); 6470 6471 /* hw.psm.trackpoint.drag_hysteresis */ 6472 sc->tpinfo.draghys = 0xff; 6473 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6474 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6475 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6476 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6477 trackpoint_sysctl, "I", 6478 "Drag hysteresis"); 6479 6480 /* hw.psm.trackpoint.minimum_drag */ 6481 sc->tpinfo.mindrag = 0x14; 6482 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6483 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6484 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6485 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6486 trackpoint_sysctl, "I", 6487 "Minimum drag"); 6488 6489 /* hw.psm.trackpoint.up_threshold */ 6490 sc->tpinfo.upthresh = 0xff; 6491 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6492 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6493 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6494 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6495 trackpoint_sysctl, "I", 6496 "Up threshold for release"); 6497 6498 /* hw.psm.trackpoint.threshold */ 6499 sc->tpinfo.threshold = 0x08; 6500 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6501 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6502 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6503 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6504 trackpoint_sysctl, "I", 6505 "Threshold"); 6506 6507 /* hw.psm.trackpoint.jenks_curvature */ 6508 sc->tpinfo.jenks = 0x87; 6509 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6510 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6511 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6512 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6513 trackpoint_sysctl, "I", 6514 "Jenks curvature"); 6515 6516 /* hw.psm.trackpoint.z_time */ 6517 sc->tpinfo.ztime = 0x26; 6518 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6519 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6520 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6521 sc, TRACKPOINT_SYSCTL_Z_TIME, 6522 trackpoint_sysctl, "I", 6523 "Z time constant"); 6524 6525 /* hw.psm.trackpoint.press_to_select */ 6526 sc->tpinfo.pts = 0x00; 6527 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6528 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6529 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6530 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6531 trackpoint_sysctl, "I", 6532 "Press to Select"); 6533 6534 /* hw.psm.trackpoint.skip_backups */ 6535 sc->tpinfo.skipback = 0x00; 6536 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6537 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6538 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6539 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6540 trackpoint_sysctl, "I", 6541 "Skip backups from drags"); 6542 } 6543 6544 static void 6545 set_trackpoint_parameters(struct psm_softc *sc) 6546 { 6547 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6548 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6549 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6550 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6551 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6552 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6553 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6554 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6555 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6556 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6557 if (sc->tpinfo.pts == 0x01) 6558 trackpoint_command(sc, 0x47, 0x2c, 0x01); 6559 if (sc->tpinfo.skipback == 0x01) 6560 trackpoint_command(sc, 0x47, 0x2d, 0x08); 6561 } 6562 6563 static int 6564 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 6565 { 6566 KBDC kbdc = sc->kbdc; 6567 int id; 6568 6569 /* 6570 * If called from enable_synaptics(), make sure that passthrough 6571 * mode is enabled so we can reach the trackpoint. 6572 * However, passthrough mode must be disabled before setting the 6573 * trackpoint parameters, as rackpoint_command() enables and disables 6574 * passthrough mode on its own. 6575 */ 6576 if (sc->synhw.capPassthrough) 6577 synaptics_passthrough_on(sc); 6578 6579 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 6580 read_aux_data(kbdc) != 0x01) 6581 goto no_trackpoint; 6582 id = read_aux_data(kbdc); 6583 if (id < 0x01) 6584 goto no_trackpoint; 6585 if (arg == PROBE) 6586 sc->tphw = id; 6587 if (!trackpoint_support) 6588 goto no_trackpoint; 6589 6590 if (sc->synhw.capPassthrough) 6591 synaptics_passthrough_off(sc); 6592 6593 if (arg == PROBE) { 6594 trackpoint_sysctl_create_tree(sc); 6595 /* 6596 * Don't overwrite hwid and buttons when we are 6597 * a guest device. 6598 */ 6599 if (!sc->synhw.capPassthrough) { 6600 sc->hw.hwid = id; 6601 sc->hw.buttons = 3; 6602 } 6603 } 6604 6605 set_trackpoint_parameters(sc); 6606 6607 return (TRUE); 6608 6609 no_trackpoint: 6610 if (sc->synhw.capPassthrough) 6611 synaptics_passthrough_off(sc); 6612 6613 return (FALSE); 6614 } 6615 6616 /* Interlink electronics VersaPad */ 6617 static int 6618 enable_versapad(struct psm_softc *sc, enum probearg arg) 6619 { 6620 KBDC kbdc = sc->kbdc; 6621 int data[3]; 6622 6623 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 6624 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 6625 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6626 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6627 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6628 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6629 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 6630 return (FALSE); 6631 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 6632 return (FALSE); 6633 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6634 6635 return (TRUE); /* PS/2 absolute mode */ 6636 } 6637 6638 /* Elantech Touchpad */ 6639 static int 6640 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 6641 { 6642 int res, readcmd, retidx; 6643 int resp[3]; 6644 6645 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 6646 retidx = hwversion == 4 ? 1 : 0; 6647 6648 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6649 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 6650 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6651 res |= send_aux_command(kbdc, reg) != PSM_ACK; 6652 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 6653 6654 if (res == 0) 6655 *val = resp[retidx]; 6656 6657 return (res); 6658 } 6659 6660 static int 6661 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 6662 { 6663 int res, writecmd; 6664 6665 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 6666 6667 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6668 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 6669 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6670 res |= send_aux_command(kbdc, reg) != PSM_ACK; 6671 if (hwversion == 4) { 6672 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6673 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 6674 } 6675 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6676 res |= send_aux_command(kbdc, val) != PSM_ACK; 6677 res |= set_mouse_scaling(kbdc, 1) == 0; 6678 6679 return (res); 6680 } 6681 6682 static int 6683 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 6684 { 6685 int res; 6686 6687 if (hwversion == 2) { 6688 res = set_mouse_scaling(kbdc, 1) == 0; 6689 res |= mouse_ext_command(kbdc, cmd) == 0; 6690 } else { 6691 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6692 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 6693 } 6694 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 6695 6696 return (res); 6697 } 6698 6699 static int 6700 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 6701 { 6702 int i, val, res, hwversion, reg10; 6703 6704 /* set absolute mode */ 6705 hwversion = elanhw->hwversion; 6706 reg10 = -1; 6707 switch (hwversion) { 6708 case 2: 6709 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 6710 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 6711 if (res) 6712 break; 6713 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 6714 break; 6715 case 3: 6716 reg10 = 0x0b; 6717 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 6718 break; 6719 case 4: 6720 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 6721 break; 6722 default: 6723 res = 1; 6724 } 6725 6726 /* Read back reg 0x10 to ensure hardware is ready. */ 6727 if (res == 0 && reg10 >= 0) { 6728 for (i = 0; i < 5; i++) { 6729 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 6730 break; 6731 DELAY(2000); 6732 } 6733 if (i == 5) 6734 res = 1; 6735 } 6736 6737 if (res) 6738 printf("couldn't set absolute mode\n"); 6739 6740 return (res); 6741 } 6742 6743 static void 6744 elantech_init_synaptics(struct psm_softc *sc) 6745 { 6746 6747 /* Set capabilites required by movement smother */ 6748 sc->synhw.infoMajor = sc->elanhw.hwversion; 6749 sc->synhw.infoMinor = sc->elanhw.fwversion; 6750 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 6751 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 6752 sc->synhw.verticalScroll = 0; 6753 sc->synhw.nExtendedQueries = 4; 6754 sc->synhw.capExtended = 1; 6755 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 6756 sc->synhw.capClickPad = sc->elanhw.isclickpad; 6757 sc->synhw.capMultiFinger = 1; 6758 if (sc->elanhw.issemimt) 6759 sc->synhw.capAdvancedGestures = 1; 6760 else 6761 sc->synhw.capReportsV = 1; 6762 sc->synhw.capPalmDetect = 1; 6763 sc->synhw.capPen = 0; 6764 sc->synhw.capReportsMax = 1; 6765 sc->synhw.maximumXCoord = sc->elanhw.sizex; 6766 sc->synhw.maximumYCoord = sc->elanhw.sizey; 6767 sc->synhw.capReportsMin = 1; 6768 sc->synhw.minimumXCoord = 0; 6769 sc->synhw.minimumYCoord = 0; 6770 6771 if (sc->syninfo.sysctl_tree == NULL) { 6772 synaptics_sysctl_create_tree(sc, "elantech", 6773 "Elantech Touchpad"); 6774 6775 /* 6776 * Adjust synaptic smoother tunables 6777 * 1. Disable finger detection pressure threshold. Unlike 6778 * synaptics we assume the finger is acting when packet with 6779 * its X&Y arrives not when pressure exceedes some threshold 6780 * 2. Disable unrelated features like margins and noisy areas 6781 * 3. Disable virtual scroll areas as 2nd finger is preferable 6782 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 6783 * softbuttons 6784 * 5. Scale down divisors and movement lengths by a factor of 3 6785 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 6786 */ 6787 6788 /* Set reporting range to be equal touchpad size */ 6789 sc->syninfo.max_x = sc->elanhw.sizex; 6790 sc->syninfo.max_y = sc->elanhw.sizey; 6791 6792 /* Disable finger detection pressure threshold */ 6793 sc->syninfo.min_pressure = 1; 6794 6795 /* Adjust palm width to nearly match synaptics w=10 */ 6796 sc->syninfo.max_width = 7; 6797 6798 /* Elans often report double & triple taps as single event */ 6799 sc->syninfo.tap_min_queue = 1; 6800 6801 /* Use full area of touchpad */ 6802 sc->syninfo.margin_top = 0; 6803 sc->syninfo.margin_right = 0; 6804 sc->syninfo.margin_bottom = 0; 6805 sc->syninfo.margin_left = 0; 6806 6807 /* Disable noisy area */ 6808 sc->syninfo.na_top = 0; 6809 sc->syninfo.na_right = 0; 6810 sc->syninfo.na_bottom = 0; 6811 sc->syninfo.na_left = 0; 6812 6813 /* Tune divisors and movement lengths */ 6814 sc->syninfo.weight_len_squared = 200; 6815 sc->syninfo.div_min = 3; 6816 sc->syninfo.div_max = 6; 6817 sc->syninfo.div_max_na = 10; 6818 sc->syninfo.div_len = 30; 6819 sc->syninfo.tap_max_delta = 25; 6820 6821 /* Disable virtual scrolling areas and tune its divisors */ 6822 sc->syninfo.vscroll_hor_area = 0; 6823 sc->syninfo.vscroll_ver_area = 0; 6824 sc->syninfo.vscroll_min_delta = 15; 6825 sc->syninfo.vscroll_div_min = 30; 6826 sc->syninfo.vscroll_div_max = 50; 6827 6828 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 6829 if (sc->elanhw.isclickpad) { 6830 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 6831 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 6832 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 6833 } 6834 } 6835 6836 return; 6837 } 6838 6839 static int 6840 enable_elantech(struct psm_softc *sc, enum probearg arg) 6841 { 6842 static const int ic2hw[] = 6843 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 6844 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0 }; 6845 static const int fw_sizes[][3] = { 6846 /* FW.vers MaxX MaxY */ 6847 { 0x020030, 1152, 768 }, 6848 { 0x020800, 1152, 768 }, 6849 { 0x020b00, 1152, 768 }, 6850 { 0x040215, 900, 500 }, 6851 { 0x040216, 819, 405 }, 6852 { 0x040219, 900, 500 }, 6853 }; 6854 elantechhw_t elanhw; 6855 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 6856 KBDC kbdc = sc->kbdc; 6857 6858 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 6859 6860 set_mouse_scaling(kbdc, 1); 6861 set_mouse_scaling(kbdc, 1); 6862 set_mouse_scaling(kbdc, 1); 6863 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 6864 return (FALSE); 6865 6866 if (!ELANTECH_MAGIC(resp)) 6867 return (FALSE); 6868 6869 /* Identify the Touchpad version. */ 6870 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 6871 return (FALSE); 6872 6873 bzero(&elanhw, sizeof(elanhw)); 6874 6875 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 6876 icversion = resp[0] & 0x0f; 6877 hwversion = ic2hw[icversion]; 6878 6879 if (verbose >= 2) 6880 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 6881 hwversion, elanhw.fwversion); 6882 6883 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 6884 printf (" Unsupported touchpad hardware (v1)\n"); 6885 return (FALSE); 6886 } 6887 if (hwversion == 0) { 6888 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 6889 elanhw.fwversion); 6890 return (FALSE); 6891 } 6892 6893 /* Get the Touchpad model information. */ 6894 elanhw.hwversion = hwversion; 6895 elanhw.issemimt = hwversion == 2; 6896 elanhw.isclickpad = (resp[1] & 0x10) != 0; 6897 elanhw.hascrc = (resp[1] & 0x40) != 0; 6898 elanhw.haspressure = elanhw.fwversion >= 0x020800; 6899 6900 /* Read the capability bits. */ 6901 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 6902 printf(" Failed to read capability bits\n"); 6903 return (FALSE); 6904 } 6905 6906 elanhw.ntracesx = imax(resp[1], 3); 6907 elanhw.ntracesy = imax(resp[2], 3); 6908 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 6909 6910 /* Get the touchpad resolution */ 6911 switch (hwversion) { 6912 case 4: 6913 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 6914 == 0) { 6915 dpix = (resp[1] & 0x0f) * 10 + 790; 6916 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 6917 elanhw.dpmmx = (dpix * 10 + 5) / 254; 6918 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 6919 break; 6920 } 6921 /* FALLTHROUGH */ 6922 case 2: 6923 case 3: 6924 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 6925 break; 6926 } 6927 6928 if (!elantech_support) 6929 return (FALSE); 6930 6931 if (elantech_init(kbdc, &elanhw)) { 6932 printf("couldn't initialize elantech touchpad\n"); 6933 return (FALSE); 6934 } 6935 6936 /* 6937 * Get the touchpad reporting range. 6938 * On HW v.3 touchpads it should be done after switching hardware 6939 * to real resolution mode (by setting bit 3 of reg10) 6940 */ 6941 elanhw.dptracex = elanhw.dptracey = 64; 6942 for (i = 0; i < nitems(fw_sizes); i++) { 6943 if (elanhw.fwversion == fw_sizes[i][0]) { 6944 elanhw.sizex = fw_sizes[i][1]; 6945 elanhw.sizey = fw_sizes[i][2]; 6946 goto found; 6947 } 6948 } 6949 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 6950 printf(" Failed to read touchpad size\n"); 6951 elanhw.sizex = 10000; /* Arbitrary high values to */ 6952 elanhw.sizey = 10000; /* prevent clipping in smoother */ 6953 } else if (hwversion == 2) { 6954 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 6955 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 6956 elanhw.dptracex = resp[1] / 2; 6957 elanhw.dptracey = resp[2] / 2; 6958 } 6959 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 6960 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 6961 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 6962 } else { 6963 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 6964 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 6965 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 6966 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 6967 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 6968 } 6969 found: 6970 if (verbose >= 2) { 6971 printf(" Model information:\n"); 6972 printf(" MaxX: %d\n", elanhw.sizex); 6973 printf(" MaxY: %d\n", elanhw.sizey); 6974 printf(" DpmmX: %d\n", elanhw.dpmmx); 6975 printf(" DpmmY: %d\n", elanhw.dpmmy); 6976 printf(" TracesX: %d\n", elanhw.ntracesx); 6977 printf(" TracesY: %d\n", elanhw.ntracesy); 6978 printf(" DptraceX: %d\n", elanhw.dptracex); 6979 printf(" DptraceY: %d\n", elanhw.dptracey); 6980 printf(" SemiMT: %d\n", elanhw.issemimt); 6981 printf(" Clickpad: %d\n", elanhw.isclickpad); 6982 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 6983 printf(" CRC: %d\n", elanhw.hascrc); 6984 printf(" Pressure: %d\n", elanhw.haspressure); 6985 } 6986 6987 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 6988 6989 if (arg == PROBE) { 6990 sc->elanhw = elanhw; 6991 sc->hw.buttons = 3; 6992 6993 /* Initialize synaptics movement smoother */ 6994 elantech_init_synaptics(sc); 6995 6996 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 6997 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 6998 } 6999 7000 return (TRUE); 7001 } 7002 7003 /* 7004 * Return true if 'now' is earlier than (start + (secs.usecs)). 7005 * Now may be NULL and the function will fetch the current time from 7006 * getmicrouptime(), or a cached 'now' can be passed in. 7007 * All values should be numbers derived from getmicrouptime(). 7008 */ 7009 static int 7010 timeelapsed(start, secs, usecs, now) 7011 const struct timeval *start, *now; 7012 int secs, usecs; 7013 { 7014 struct timeval snow, tv; 7015 7016 /* if there is no 'now' passed in, the get it as a convience. */ 7017 if (now == NULL) { 7018 getmicrouptime(&snow); 7019 now = &snow; 7020 } 7021 7022 tv.tv_sec = secs; 7023 tv.tv_usec = usecs; 7024 timevaladd(&tv, start); 7025 return (timevalcmp(&tv, now, <)); 7026 } 7027 7028 static int 7029 psmresume(device_t dev) 7030 { 7031 struct psm_softc *sc = device_get_softc(dev); 7032 int unit = device_get_unit(dev); 7033 int err; 7034 7035 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 7036 7037 if ((sc->config & 7038 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 7039 return (0); 7040 7041 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 7042 7043 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 7044 /* 7045 * Release the blocked process; it must be notified that 7046 * the device cannot be accessed anymore. 7047 */ 7048 sc->state &= ~PSM_ASLP; 7049 wakeup(sc); 7050 } 7051 7052 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 7053 7054 return (err); 7055 } 7056 7057 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 7058 #ifdef EVDEV_SUPPORT 7059 MODULE_DEPEND(psm, evdev, 1, 1, 1); 7060 #endif 7061 7062 #ifdef DEV_ISA 7063 7064 /* 7065 * This sucks up assignments from PNPBIOS and ACPI. 7066 */ 7067 7068 /* 7069 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 7070 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 7071 * can be probed and attached only after the AT keyboard controller is 7072 * attached, we shall quietly reserve the IRQ resource for later use. 7073 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 7074 * copy the IRQ resource to the PS/2 mouse device instance hanging 7075 * under the keyboard controller, then probe and attach it. 7076 */ 7077 7078 static devclass_t psmcpnp_devclass; 7079 7080 static device_probe_t psmcpnp_probe; 7081 static device_attach_t psmcpnp_attach; 7082 7083 static device_method_t psmcpnp_methods[] = { 7084 DEVMETHOD(device_probe, psmcpnp_probe), 7085 DEVMETHOD(device_attach, psmcpnp_attach), 7086 7087 { 0, 0 } 7088 }; 7089 7090 static driver_t psmcpnp_driver = { 7091 PSMCPNP_DRIVER_NAME, 7092 psmcpnp_methods, 7093 1, /* no softc */ 7094 }; 7095 7096 static struct isa_pnp_id psmcpnp_ids[] = { 7097 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7098 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7099 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7100 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7101 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7102 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7103 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7104 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7105 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7106 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7107 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7108 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7109 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7110 { 0 } 7111 }; 7112 7113 static int 7114 create_a_copy(device_t atkbdc, device_t me) 7115 { 7116 device_t psm; 7117 u_long irq; 7118 7119 /* find the PS/2 mouse device instance under the keyboard controller */ 7120 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7121 device_get_unit(atkbdc)); 7122 if (psm == NULL) 7123 return (ENXIO); 7124 if (device_get_state(psm) != DS_NOTPRESENT) 7125 return (0); 7126 7127 /* move our resource to the found device */ 7128 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7129 bus_delete_resource(me, SYS_RES_IRQ, 0); 7130 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7131 7132 /* ...then probe and attach it */ 7133 return (device_probe_and_attach(psm)); 7134 } 7135 7136 static int 7137 psmcpnp_probe(device_t dev) 7138 { 7139 struct resource *res; 7140 u_long irq; 7141 int rid; 7142 7143 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 7144 return (ENXIO); 7145 7146 /* 7147 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7148 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7149 * declares the PS/2 mouse device node without an IRQ resource! 7150 * If this happens, we shall refer to device hints. 7151 * If we still don't find it there, use a hardcoded value... XXX 7152 */ 7153 rid = 0; 7154 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7155 if (irq <= 0) { 7156 if (resource_long_value(PSM_DRIVER_NAME, 7157 device_get_unit(dev),"irq", &irq) != 0) 7158 irq = 12; /* XXX */ 7159 device_printf(dev, "irq resource info is missing; " 7160 "assuming irq %ld\n", irq); 7161 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7162 } 7163 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7164 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7165 7166 /* keep quiet */ 7167 if (!bootverbose) 7168 device_quiet(dev); 7169 7170 return ((res == NULL) ? ENXIO : 0); 7171 } 7172 7173 static int 7174 psmcpnp_attach(device_t dev) 7175 { 7176 device_t atkbdc; 7177 7178 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7179 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7180 device_get_unit(dev)); 7181 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7182 create_a_copy(atkbdc, dev); 7183 7184 return (0); 7185 } 7186 7187 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7188 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7189 7190 #endif /* DEV_ISA */ 7191