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 1953 if (!verbose) 1954 printf("psm%d: model %s, device ID %d\n", 1955 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1956 else { 1957 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1958 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1959 sc->hw.hwid >> 8, sc->hw.buttons); 1960 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1961 unit, sc->config, sc->flags, sc->mode.packetsize); 1962 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1963 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1964 } 1965 1966 if (bootverbose) 1967 --verbose; 1968 1969 return (0); 1970 } 1971 1972 static int 1973 psmdetach(device_t dev) 1974 { 1975 struct psm_softc *sc; 1976 int rid; 1977 1978 sc = device_get_softc(dev); 1979 if (sc->state & PSM_OPEN) 1980 return (EBUSY); 1981 1982 #ifdef EVDEV_SUPPORT 1983 evdev_free(sc->evdev_r); 1984 evdev_free(sc->evdev_a); 1985 #endif 1986 1987 rid = KBDC_RID_AUX; 1988 bus_teardown_intr(dev, sc->intr, sc->ih); 1989 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1990 1991 destroy_dev(sc->dev); 1992 destroy_dev(sc->bdev); 1993 1994 callout_drain(&sc->callout); 1995 callout_drain(&sc->softcallout); 1996 1997 return (0); 1998 } 1999 2000 #ifdef EVDEV_SUPPORT 2001 static int 2002 psm_ev_open_r(struct evdev_dev *evdev, void *ev_softc) 2003 { 2004 struct psm_softc *sc = (struct psm_softc *)ev_softc; 2005 int err = 0; 2006 2007 /* Get device data */ 2008 if ((sc->state & PSM_VALID) == 0) { 2009 /* the device is no longer valid/functioning */ 2010 return (ENXIO); 2011 } 2012 2013 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_A))) 2014 err = psmopen(sc); 2015 2016 if (err == 0) 2017 sc->state |= PSM_EV_OPEN_R; 2018 2019 return (err); 2020 } 2021 2022 static void 2023 psm_ev_close_r(struct evdev_dev *evdev, void *ev_softc) 2024 { 2025 struct psm_softc *sc = (struct psm_softc *)ev_softc; 2026 2027 sc->state &= ~PSM_EV_OPEN_R; 2028 2029 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_A)) 2030 return; 2031 2032 if (sc->state & PSM_VALID) 2033 psmclose(sc); 2034 } 2035 2036 static int 2037 psm_ev_open_a(struct evdev_dev *evdev, void *ev_softc) 2038 { 2039 struct psm_softc *sc = (struct psm_softc *)ev_softc; 2040 int err = 0; 2041 2042 /* Get device data */ 2043 if ((sc->state & PSM_VALID) == 0) { 2044 /* the device is no longer valid/functioning */ 2045 return (ENXIO); 2046 } 2047 2048 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R))) 2049 err = psmopen(sc); 2050 2051 if (err == 0) 2052 sc->state |= PSM_EV_OPEN_A; 2053 2054 return (err); 2055 } 2056 2057 static void 2058 psm_ev_close_a(struct evdev_dev *evdev, void *ev_softc) 2059 { 2060 struct psm_softc *sc = (struct psm_softc *)ev_softc; 2061 2062 sc->state &= ~PSM_EV_OPEN_A; 2063 2064 if (sc->state & (PSM_OPEN | PSM_EV_OPEN_R)) 2065 return; 2066 2067 if (sc->state & PSM_VALID) 2068 psmclose(sc); 2069 } 2070 #endif 2071 2072 static int 2073 psm_cdev_open(struct cdev *dev, int flag, int fmt, struct thread *td) 2074 { 2075 struct psm_softc *sc; 2076 int err = 0; 2077 2078 /* Get device data */ 2079 sc = dev->si_drv1; 2080 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2081 /* the device is no longer valid/functioning */ 2082 return (ENXIO); 2083 } 2084 2085 /* Disallow multiple opens */ 2086 if (sc->state & PSM_OPEN) 2087 return (EBUSY); 2088 2089 device_busy(devclass_get_device(psm_devclass, sc->unit)); 2090 2091 #ifdef EVDEV_SUPPORT 2092 /* Already opened by evdev */ 2093 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2094 #endif 2095 err = psmopen(sc); 2096 2097 if (err == 0) 2098 sc->state |= PSM_OPEN; 2099 else 2100 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2101 2102 return (err); 2103 } 2104 2105 static int 2106 psm_cdev_close(struct cdev *dev, int flag, int fmt, struct thread *td) 2107 { 2108 struct psm_softc *sc; 2109 int err = 0; 2110 2111 /* Get device data */ 2112 sc = dev->si_drv1; 2113 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 2114 /* the device is no longer valid/functioning */ 2115 return (ENXIO); 2116 } 2117 2118 #ifdef EVDEV_SUPPORT 2119 /* Still opened by evdev */ 2120 if (!(sc->state & (PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2121 #endif 2122 err = psmclose(sc); 2123 2124 if (err == 0) { 2125 sc->state &= ~PSM_OPEN; 2126 /* clean up and sigio requests */ 2127 if (sc->async != NULL) { 2128 funsetown(&sc->async); 2129 sc->async = NULL; 2130 } 2131 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 2132 } 2133 2134 return (err); 2135 } 2136 2137 static int 2138 psmopen(struct psm_softc *sc) 2139 { 2140 int command_byte; 2141 int err; 2142 int s; 2143 2144 /* Initialize state */ 2145 sc->mode.level = sc->dflt_mode.level; 2146 sc->mode.protocol = sc->dflt_mode.protocol; 2147 sc->watchdog = FALSE; 2148 sc->async = NULL; 2149 2150 /* flush the event queue */ 2151 sc->queue.count = 0; 2152 sc->queue.head = 0; 2153 sc->queue.tail = 0; 2154 sc->status.flags = 0; 2155 sc->status.button = 0; 2156 sc->status.obutton = 0; 2157 sc->status.dx = 0; 2158 sc->status.dy = 0; 2159 sc->status.dz = 0; 2160 sc->button = 0; 2161 sc->pqueue_start = 0; 2162 sc->pqueue_end = 0; 2163 2164 /* empty input buffer */ 2165 flushpackets(sc); 2166 sc->syncerrors = 0; 2167 sc->pkterrors = 0; 2168 2169 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2170 if (!kbdc_lock(sc->kbdc, TRUE)) 2171 return (EIO); 2172 2173 /* save the current controller command byte */ 2174 s = spltty(); 2175 command_byte = get_controller_command_byte(sc->kbdc); 2176 2177 /* enable the aux port and temporalily disable the keyboard */ 2178 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 2179 kbdc_get_device_mask(sc->kbdc), 2180 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2181 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2182 /* CONTROLLER ERROR; do you know how to get out of this? */ 2183 kbdc_lock(sc->kbdc, FALSE); 2184 splx(s); 2185 log(LOG_ERR, 2186 "psm%d: unable to set the command byte (psmopen).\n", 2187 sc->unit); 2188 return (EIO); 2189 } 2190 /* 2191 * Now that the keyboard controller is told not to generate 2192 * the keyboard and mouse interrupts, call `splx()' to allow 2193 * the other tty interrupts. The clock interrupt may also occur, 2194 * but timeout routines will be blocked by the poll flag set 2195 * via `kbdc_lock()' 2196 */ 2197 splx(s); 2198 2199 /* enable the mouse device */ 2200 err = doopen(sc, command_byte); 2201 2202 /* done */ 2203 kbdc_lock(sc->kbdc, FALSE); 2204 return (err); 2205 } 2206 2207 static int 2208 psmclose(struct psm_softc *sc) 2209 { 2210 int stat[3]; 2211 int command_byte; 2212 int s; 2213 2214 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 2215 if (!kbdc_lock(sc->kbdc, TRUE)) 2216 return (EIO); 2217 2218 /* save the current controller command byte */ 2219 s = spltty(); 2220 command_byte = get_controller_command_byte(sc->kbdc); 2221 if (command_byte == -1) { 2222 kbdc_lock(sc->kbdc, FALSE); 2223 splx(s); 2224 return (EIO); 2225 } 2226 2227 /* disable the aux interrupt and temporalily disable the keyboard */ 2228 if (!set_controller_command_byte(sc->kbdc, 2229 kbdc_get_device_mask(sc->kbdc), 2230 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2231 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2232 log(LOG_ERR, 2233 "psm%d: failed to disable the aux int (psmclose).\n", 2234 sc->unit); 2235 /* CONTROLLER ERROR; 2236 * NOTE: we shall force our way through. Because the only 2237 * ill effect we shall see is that we may not be able 2238 * to read ACK from the mouse, and it doesn't matter much 2239 * so long as the mouse will accept the DISABLE command. 2240 */ 2241 } 2242 splx(s); 2243 2244 /* stop the watchdog timer */ 2245 callout_stop(&sc->callout); 2246 2247 /* remove anything left in the output buffer */ 2248 empty_aux_buffer(sc->kbdc, 10); 2249 2250 /* disable the aux device, port and interrupt */ 2251 if (sc->state & PSM_VALID) { 2252 if (!disable_aux_dev(sc->kbdc)) { 2253 /* MOUSE ERROR; 2254 * NOTE: we don't return (error) and continue, 2255 * pretending we have successfully disabled the device. 2256 * It's OK because the interrupt routine will discard 2257 * any data from the mouse hereafter. 2258 */ 2259 log(LOG_ERR, 2260 "psm%d: failed to disable the device (psmclose).\n", 2261 sc->unit); 2262 } 2263 2264 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 2265 log(LOG_DEBUG, 2266 "psm%d: failed to get status (psmclose).\n", 2267 sc->unit); 2268 } 2269 2270 if (!set_controller_command_byte(sc->kbdc, 2271 kbdc_get_device_mask(sc->kbdc), 2272 (command_byte & KBD_KBD_CONTROL_BITS) | 2273 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2274 /* 2275 * CONTROLLER ERROR; 2276 * we shall ignore this error; see the above comment. 2277 */ 2278 log(LOG_ERR, 2279 "psm%d: failed to disable the aux port (psmclose).\n", 2280 sc->unit); 2281 } 2282 2283 /* remove anything left in the output buffer */ 2284 empty_aux_buffer(sc->kbdc, 10); 2285 2286 /* close is almost always successful */ 2287 kbdc_lock(sc->kbdc, FALSE); 2288 return (0); 2289 } 2290 2291 static int 2292 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 2293 u_char *buf) 2294 { 2295 static u_char butmapps2[8] = { 2296 0, 2297 MOUSE_PS2_BUTTON1DOWN, 2298 MOUSE_PS2_BUTTON2DOWN, 2299 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 2300 MOUSE_PS2_BUTTON3DOWN, 2301 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 2302 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 2303 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 2304 MOUSE_PS2_BUTTON3DOWN, 2305 }; 2306 static u_char butmapmsc[8] = { 2307 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 2308 MOUSE_MSC_BUTTON3UP, 2309 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 2310 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 2311 MOUSE_MSC_BUTTON3UP, 2312 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 2313 MOUSE_MSC_BUTTON2UP, 2314 MOUSE_MSC_BUTTON1UP, 2315 0, 2316 }; 2317 int mapped; 2318 int i; 2319 2320 if (sc->mode.level == PSM_LEVEL_BASE) { 2321 mapped = status->button & ~MOUSE_BUTTON4DOWN; 2322 if (status->button & MOUSE_BUTTON4DOWN) 2323 mapped |= MOUSE_BUTTON1DOWN; 2324 status->button = mapped; 2325 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 2326 i = imax(imin(status->dx, 255), -256); 2327 if (i < 0) 2328 buf[0] |= MOUSE_PS2_XNEG; 2329 buf[1] = i; 2330 i = imax(imin(status->dy, 255), -256); 2331 if (i < 0) 2332 buf[0] |= MOUSE_PS2_YNEG; 2333 buf[2] = i; 2334 return (MOUSE_PS2_PACKETSIZE); 2335 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 2336 buf[0] = MOUSE_MSC_SYNC | 2337 butmapmsc[status->button & MOUSE_STDBUTTONS]; 2338 i = imax(imin(status->dx, 255), -256); 2339 buf[1] = i >> 1; 2340 buf[3] = i - buf[1]; 2341 i = imax(imin(status->dy, 255), -256); 2342 buf[2] = i >> 1; 2343 buf[4] = i - buf[2]; 2344 i = imax(imin(status->dz, 127), -128); 2345 buf[5] = (i >> 1) & 0x7f; 2346 buf[6] = (i - (i >> 1)) & 0x7f; 2347 buf[7] = (~status->button >> 3) & 0x7f; 2348 return (MOUSE_SYS_PACKETSIZE); 2349 } 2350 return (pb->inputbytes); 2351 } 2352 2353 static int 2354 psmread(struct cdev *dev, struct uio *uio, int flag) 2355 { 2356 struct psm_softc *sc = dev->si_drv1; 2357 u_char buf[PSM_SMALLBUFSIZE]; 2358 int error = 0; 2359 int s; 2360 int l; 2361 2362 if ((sc->state & PSM_VALID) == 0) 2363 return (EIO); 2364 2365 /* block until mouse activity occurred */ 2366 s = spltty(); 2367 while (sc->queue.count <= 0) { 2368 if (dev != sc->bdev) { 2369 splx(s); 2370 return (EWOULDBLOCK); 2371 } 2372 sc->state |= PSM_ASLP; 2373 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 2374 sc->state &= ~PSM_ASLP; 2375 if (error) { 2376 splx(s); 2377 return (error); 2378 } else if ((sc->state & PSM_VALID) == 0) { 2379 /* the device disappeared! */ 2380 splx(s); 2381 return (EIO); 2382 } 2383 } 2384 splx(s); 2385 2386 /* copy data to the user land */ 2387 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 2388 s = spltty(); 2389 l = imin(sc->queue.count, uio->uio_resid); 2390 if (l > sizeof(buf)) 2391 l = sizeof(buf); 2392 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 2393 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 2394 sizeof(sc->queue.buf) - sc->queue.head); 2395 bcopy(&sc->queue.buf[0], 2396 &buf[sizeof(sc->queue.buf) - sc->queue.head], 2397 l - (sizeof(sc->queue.buf) - sc->queue.head)); 2398 } else 2399 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 2400 sc->queue.count -= l; 2401 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 2402 splx(s); 2403 error = uiomove(buf, l, uio); 2404 if (error) 2405 break; 2406 } 2407 2408 return (error); 2409 } 2410 2411 static int 2412 block_mouse_data(struct psm_softc *sc, int *c) 2413 { 2414 int s; 2415 2416 if (!kbdc_lock(sc->kbdc, TRUE)) 2417 return (EIO); 2418 2419 s = spltty(); 2420 *c = get_controller_command_byte(sc->kbdc); 2421 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 2422 kbdc_get_device_mask(sc->kbdc), 2423 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 2424 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2425 /* this is CONTROLLER ERROR */ 2426 splx(s); 2427 kbdc_lock(sc->kbdc, FALSE); 2428 return (EIO); 2429 } 2430 2431 /* 2432 * The device may be in the middle of status data transmission. 2433 * The transmission will be interrupted, thus, incomplete status 2434 * data must be discarded. Although the aux interrupt is disabled 2435 * at the keyboard controller level, at most one aux interrupt 2436 * may have already been pending and a data byte is in the 2437 * output buffer; throw it away. Note that the second argument 2438 * to `empty_aux_buffer()' is zero, so that the call will just 2439 * flush the internal queue. 2440 * `psmintr()' will be invoked after `splx()' if an interrupt is 2441 * pending; it will see no data and returns immediately. 2442 */ 2443 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 2444 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 2445 flushpackets(sc); 2446 splx(s); 2447 2448 return (0); 2449 } 2450 2451 static void 2452 dropqueue(struct psm_softc *sc) 2453 { 2454 2455 sc->queue.count = 0; 2456 sc->queue.head = 0; 2457 sc->queue.tail = 0; 2458 if ((sc->state & PSM_SOFTARMED) != 0) { 2459 sc->state &= ~PSM_SOFTARMED; 2460 callout_stop(&sc->softcallout); 2461 } 2462 sc->pqueue_start = sc->pqueue_end; 2463 } 2464 2465 static void 2466 flushpackets(struct psm_softc *sc) 2467 { 2468 2469 dropqueue(sc); 2470 bzero(&sc->pqueue, sizeof(sc->pqueue)); 2471 } 2472 2473 static int 2474 unblock_mouse_data(struct psm_softc *sc, int c) 2475 { 2476 int error = 0; 2477 2478 /* 2479 * We may have seen a part of status data during `set_mouse_XXX()'. 2480 * they have been queued; flush it. 2481 */ 2482 empty_aux_buffer(sc->kbdc, 0); 2483 2484 /* restore ports and interrupt */ 2485 if (!set_controller_command_byte(sc->kbdc, 2486 kbdc_get_device_mask(sc->kbdc), 2487 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 2488 /* 2489 * CONTROLLER ERROR; this is serious, we may have 2490 * been left with the inaccessible keyboard and 2491 * the disabled mouse interrupt. 2492 */ 2493 error = EIO; 2494 } 2495 2496 kbdc_lock(sc->kbdc, FALSE); 2497 return (error); 2498 } 2499 2500 static int 2501 psmwrite(struct cdev *dev, struct uio *uio, int flag) 2502 { 2503 struct psm_softc *sc = dev->si_drv1; 2504 u_char buf[PSM_SMALLBUFSIZE]; 2505 int error = 0, i, l; 2506 2507 if ((sc->state & PSM_VALID) == 0) 2508 return (EIO); 2509 2510 if (sc->mode.level < PSM_LEVEL_NATIVE) 2511 return (ENODEV); 2512 2513 /* copy data from the user land */ 2514 while (uio->uio_resid > 0) { 2515 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 2516 error = uiomove(buf, l, uio); 2517 if (error) 2518 break; 2519 for (i = 0; i < l; i++) { 2520 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 2521 if (!write_aux_command(sc->kbdc, buf[i])) { 2522 VLOG(2, (LOG_DEBUG, 2523 "psm: cmd 0x%x failed.\n", buf[i])); 2524 return (reinitialize(sc, FALSE)); 2525 } 2526 } 2527 } 2528 2529 return (error); 2530 } 2531 2532 static int 2533 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 2534 struct thread *td) 2535 { 2536 struct psm_softc *sc = dev->si_drv1; 2537 mousemode_t mode; 2538 mousestatus_t status; 2539 #if (defined(MOUSE_GETVARS)) 2540 mousevar_t *var; 2541 #endif 2542 mousedata_t *data; 2543 int stat[3]; 2544 int command_byte; 2545 int error = 0; 2546 int s; 2547 2548 /* Perform IOCTL command */ 2549 switch (cmd) { 2550 2551 case OLD_MOUSE_GETHWINFO: 2552 s = spltty(); 2553 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2554 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2555 ((old_mousehw_t *)addr)->type = sc->hw.type; 2556 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2557 splx(s); 2558 break; 2559 2560 case MOUSE_GETHWINFO: 2561 s = spltty(); 2562 *(mousehw_t *)addr = sc->hw; 2563 if (sc->mode.level == PSM_LEVEL_BASE) 2564 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2565 splx(s); 2566 break; 2567 2568 case MOUSE_SYN_GETHWINFO: 2569 s = spltty(); 2570 if (sc->synhw.infoMajor >= 4) 2571 *(synapticshw_t *)addr = sc->synhw; 2572 else 2573 error = EINVAL; 2574 splx(s); 2575 break; 2576 2577 case OLD_MOUSE_GETMODE: 2578 s = spltty(); 2579 switch (sc->mode.level) { 2580 case PSM_LEVEL_BASE: 2581 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2582 break; 2583 case PSM_LEVEL_STANDARD: 2584 ((old_mousemode_t *)addr)->protocol = 2585 MOUSE_PROTO_SYSMOUSE; 2586 break; 2587 case PSM_LEVEL_NATIVE: 2588 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2589 break; 2590 } 2591 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2592 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2593 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2594 splx(s); 2595 break; 2596 2597 case MOUSE_GETMODE: 2598 s = spltty(); 2599 *(mousemode_t *)addr = sc->mode; 2600 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2601 ((mousemode_t *)addr)->syncmask[0] = 0; 2602 ((mousemode_t *)addr)->syncmask[1] = 0; 2603 } 2604 ((mousemode_t *)addr)->resolution = 2605 MOUSE_RES_LOW - sc->mode.resolution; 2606 switch (sc->mode.level) { 2607 case PSM_LEVEL_BASE: 2608 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2609 ((mousemode_t *)addr)->packetsize = 2610 MOUSE_PS2_PACKETSIZE; 2611 break; 2612 case PSM_LEVEL_STANDARD: 2613 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2614 ((mousemode_t *)addr)->packetsize = 2615 MOUSE_SYS_PACKETSIZE; 2616 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2617 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2618 break; 2619 case PSM_LEVEL_NATIVE: 2620 /* FIXME: this isn't quite correct... XXX */ 2621 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2622 break; 2623 } 2624 splx(s); 2625 break; 2626 2627 case OLD_MOUSE_SETMODE: 2628 case MOUSE_SETMODE: 2629 if (cmd == OLD_MOUSE_SETMODE) { 2630 mode.rate = ((old_mousemode_t *)addr)->rate; 2631 /* 2632 * resolution old I/F new I/F 2633 * default 0 0 2634 * low 1 -2 2635 * medium low 2 -3 2636 * medium high 3 -4 2637 * high 4 -5 2638 */ 2639 if (((old_mousemode_t *)addr)->resolution > 0) 2640 mode.resolution = 2641 -((old_mousemode_t *)addr)->resolution - 1; 2642 else 2643 mode.resolution = 0; 2644 mode.accelfactor = 2645 ((old_mousemode_t *)addr)->accelfactor; 2646 mode.level = -1; 2647 } else 2648 mode = *(mousemode_t *)addr; 2649 2650 /* adjust and validate parameters. */ 2651 if (mode.rate > UCHAR_MAX) 2652 return (EINVAL); 2653 if (mode.rate == 0) 2654 mode.rate = sc->dflt_mode.rate; 2655 else if (mode.rate == -1) 2656 /* don't change the current setting */ 2657 ; 2658 else if (mode.rate < 0) 2659 return (EINVAL); 2660 if (mode.resolution >= UCHAR_MAX) 2661 return (EINVAL); 2662 if (mode.resolution >= 200) 2663 mode.resolution = MOUSE_RES_HIGH; 2664 else if (mode.resolution >= 100) 2665 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2666 else if (mode.resolution >= 50) 2667 mode.resolution = MOUSE_RES_MEDIUMLOW; 2668 else if (mode.resolution > 0) 2669 mode.resolution = MOUSE_RES_LOW; 2670 if (mode.resolution == MOUSE_RES_DEFAULT) 2671 mode.resolution = sc->dflt_mode.resolution; 2672 else if (mode.resolution == -1) 2673 /* don't change the current setting */ 2674 ; 2675 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2676 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2677 if (mode.level == -1) 2678 /* don't change the current setting */ 2679 mode.level = sc->mode.level; 2680 else if ((mode.level < PSM_LEVEL_MIN) || 2681 (mode.level > PSM_LEVEL_MAX)) 2682 return (EINVAL); 2683 if (mode.accelfactor == -1) 2684 /* don't change the current setting */ 2685 mode.accelfactor = sc->mode.accelfactor; 2686 else if (mode.accelfactor < 0) 2687 return (EINVAL); 2688 2689 /* don't allow anybody to poll the keyboard controller */ 2690 error = block_mouse_data(sc, &command_byte); 2691 if (error) 2692 return (error); 2693 2694 /* set mouse parameters */ 2695 if (mode.rate > 0) 2696 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2697 mode.rate); 2698 if (mode.resolution >= 0) 2699 mode.resolution = 2700 set_mouse_resolution(sc->kbdc, mode.resolution); 2701 set_mouse_scaling(sc->kbdc, 1); 2702 get_mouse_status(sc->kbdc, stat, 0, 3); 2703 2704 s = spltty(); 2705 sc->mode.rate = mode.rate; 2706 sc->mode.resolution = mode.resolution; 2707 sc->mode.accelfactor = mode.accelfactor; 2708 sc->mode.level = mode.level; 2709 splx(s); 2710 2711 unblock_mouse_data(sc, command_byte); 2712 break; 2713 2714 case MOUSE_GETLEVEL: 2715 *(int *)addr = sc->mode.level; 2716 break; 2717 2718 case MOUSE_SETLEVEL: 2719 if ((*(int *)addr < PSM_LEVEL_MIN) || 2720 (*(int *)addr > PSM_LEVEL_MAX)) 2721 return (EINVAL); 2722 sc->mode.level = *(int *)addr; 2723 break; 2724 2725 case MOUSE_GETSTATUS: 2726 s = spltty(); 2727 status = sc->status; 2728 sc->status.flags = 0; 2729 sc->status.obutton = sc->status.button; 2730 sc->status.button = 0; 2731 sc->status.dx = 0; 2732 sc->status.dy = 0; 2733 sc->status.dz = 0; 2734 splx(s); 2735 *(mousestatus_t *)addr = status; 2736 break; 2737 2738 #if (defined(MOUSE_GETVARS)) 2739 case MOUSE_GETVARS: 2740 var = (mousevar_t *)addr; 2741 bzero(var, sizeof(*var)); 2742 s = spltty(); 2743 var->var[0] = MOUSE_VARS_PS2_SIG; 2744 var->var[1] = sc->config; 2745 var->var[2] = sc->flags; 2746 splx(s); 2747 break; 2748 2749 case MOUSE_SETVARS: 2750 return (ENODEV); 2751 #endif /* MOUSE_GETVARS */ 2752 2753 case MOUSE_READSTATE: 2754 case MOUSE_READDATA: 2755 data = (mousedata_t *)addr; 2756 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2757 return (EINVAL); 2758 2759 error = block_mouse_data(sc, &command_byte); 2760 if (error) 2761 return (error); 2762 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2763 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2764 error = EIO; 2765 unblock_mouse_data(sc, command_byte); 2766 break; 2767 2768 #if (defined(MOUSE_SETRESOLUTION)) 2769 case MOUSE_SETRESOLUTION: 2770 mode.resolution = *(int *)addr; 2771 if (mode.resolution >= UCHAR_MAX) 2772 return (EINVAL); 2773 else if (mode.resolution >= 200) 2774 mode.resolution = MOUSE_RES_HIGH; 2775 else if (mode.resolution >= 100) 2776 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2777 else if (mode.resolution >= 50) 2778 mode.resolution = MOUSE_RES_MEDIUMLOW; 2779 else if (mode.resolution > 0) 2780 mode.resolution = MOUSE_RES_LOW; 2781 if (mode.resolution == MOUSE_RES_DEFAULT) 2782 mode.resolution = sc->dflt_mode.resolution; 2783 else if (mode.resolution == -1) 2784 mode.resolution = sc->mode.resolution; 2785 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2786 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2787 2788 error = block_mouse_data(sc, &command_byte); 2789 if (error) 2790 return (error); 2791 sc->mode.resolution = 2792 set_mouse_resolution(sc->kbdc, mode.resolution); 2793 if (sc->mode.resolution != mode.resolution) 2794 error = EIO; 2795 unblock_mouse_data(sc, command_byte); 2796 break; 2797 #endif /* MOUSE_SETRESOLUTION */ 2798 2799 #if (defined(MOUSE_SETRATE)) 2800 case MOUSE_SETRATE: 2801 mode.rate = *(int *)addr; 2802 if (mode.rate > UCHAR_MAX) 2803 return (EINVAL); 2804 if (mode.rate == 0) 2805 mode.rate = sc->dflt_mode.rate; 2806 else if (mode.rate < 0) 2807 mode.rate = sc->mode.rate; 2808 2809 error = block_mouse_data(sc, &command_byte); 2810 if (error) 2811 return (error); 2812 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2813 if (sc->mode.rate != mode.rate) 2814 error = EIO; 2815 unblock_mouse_data(sc, command_byte); 2816 break; 2817 #endif /* MOUSE_SETRATE */ 2818 2819 #if (defined(MOUSE_SETSCALING)) 2820 case MOUSE_SETSCALING: 2821 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2822 return (EINVAL); 2823 2824 error = block_mouse_data(sc, &command_byte); 2825 if (error) 2826 return (error); 2827 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2828 error = EIO; 2829 unblock_mouse_data(sc, command_byte); 2830 break; 2831 #endif /* MOUSE_SETSCALING */ 2832 2833 #if (defined(MOUSE_GETHWID)) 2834 case MOUSE_GETHWID: 2835 error = block_mouse_data(sc, &command_byte); 2836 if (error) 2837 return (error); 2838 sc->hw.hwid &= ~0x00ff; 2839 sc->hw.hwid |= get_aux_id(sc->kbdc); 2840 *(int *)addr = sc->hw.hwid & 0x00ff; 2841 unblock_mouse_data(sc, command_byte); 2842 break; 2843 #endif /* MOUSE_GETHWID */ 2844 2845 case FIONBIO: 2846 case FIOASYNC: 2847 break; 2848 case FIOSETOWN: 2849 error = fsetown(*(int *)addr, &sc->async); 2850 break; 2851 case FIOGETOWN: 2852 *(int *) addr = fgetown(&sc->async); 2853 break; 2854 default: 2855 return (ENOTTY); 2856 } 2857 2858 return (error); 2859 } 2860 2861 static void 2862 psmtimeout(void *arg) 2863 { 2864 struct psm_softc *sc; 2865 int s; 2866 2867 sc = (struct psm_softc *)arg; 2868 s = spltty(); 2869 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2870 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2871 psmintr(sc); 2872 kbdc_lock(sc->kbdc, FALSE); 2873 } 2874 sc->watchdog = TRUE; 2875 splx(s); 2876 callout_reset(&sc->callout, hz, psmtimeout, sc); 2877 } 2878 2879 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2880 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2881 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2882 2883 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RWTUN, &verbose, 0, 2884 "Verbosity level"); 2885 2886 static int psmhz = 20; 2887 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2888 "Frequency of the softcallout (in hz)"); 2889 static int psmerrsecs = 2; 2890 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2891 "Number of seconds during which packets will dropped after a sync error"); 2892 static int psmerrusecs = 0; 2893 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2894 "Microseconds to add to psmerrsecs"); 2895 static int psmsecs = 0; 2896 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2897 "Max number of seconds between soft interrupts"); 2898 static int psmusecs = 500000; 2899 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2900 "Microseconds to add to psmsecs"); 2901 static int pkterrthresh = 2; 2902 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2903 "Number of error packets allowed before reinitializing the mouse"); 2904 2905 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RWTUN, &tap_enabled, 0, 2906 "Enable tap and drag gestures"); 2907 static int tap_threshold = PSM_TAP_THRESHOLD; 2908 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2909 "Button tap threshold"); 2910 static int tap_timeout = PSM_TAP_TIMEOUT; 2911 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2912 "Tap timeout for touchpads"); 2913 2914 /* Tunables */ 2915 SYSCTL_INT(_hw_psm, OID_AUTO, synaptics_support, CTLFLAG_RDTUN, 2916 &synaptics_support, 0, "Enable support for Synaptics touchpads"); 2917 2918 SYSCTL_INT(_hw_psm, OID_AUTO, trackpoint_support, CTLFLAG_RDTUN, 2919 &trackpoint_support, 0, "Enable support for IBM/Lenovo TrackPoint"); 2920 2921 SYSCTL_INT(_hw_psm, OID_AUTO, elantech_support, CTLFLAG_RDTUN, 2922 &elantech_support, 0, "Enable support for Elantech touchpads"); 2923 2924 static void 2925 psmintr(void *arg) 2926 { 2927 struct psm_softc *sc = arg; 2928 struct timeval now; 2929 int c; 2930 packetbuf_t *pb; 2931 2932 2933 /* read until there is nothing to read */ 2934 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2935 pb = &sc->pqueue[sc->pqueue_end]; 2936 2937 /* discard the byte if the device is not open */ 2938 if (!(sc->state & (PSM_OPEN | PSM_EV_OPEN_R | PSM_EV_OPEN_A))) 2939 continue; 2940 2941 getmicrouptime(&now); 2942 if ((pb->inputbytes > 0) && 2943 timevalcmp(&now, &sc->inputtimeout, >)) { 2944 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2945 "resetting byte count\n")); 2946 pb->inputbytes = 0; 2947 sc->syncerrors = 0; 2948 sc->pkterrors = 0; 2949 } 2950 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2951 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2952 timevaladd(&sc->inputtimeout, &now); 2953 2954 pb->ipacket[pb->inputbytes++] = c; 2955 2956 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2957 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2958 sc->syncerrors = 0; 2959 sc->pkterrors = 0; 2960 goto next; 2961 } else { 2962 if (pb->inputbytes < sc->mode.packetsize) 2963 continue; 2964 2965 VLOG(4, (LOG_DEBUG, 2966 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2967 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2968 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2969 } 2970 2971 c = pb->ipacket[0]; 2972 2973 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2974 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2975 sc->flags &= ~PSM_NEED_SYNCBITS; 2976 VLOG(2, (LOG_DEBUG, 2977 "psmintr: Sync bytes now %04x,%04x\n", 2978 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2979 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2980 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2981 "(%04x != %04x) %d cmds since last error.\n", 2982 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2983 sc->cmdcount - sc->lasterr)); 2984 sc->lasterr = sc->cmdcount; 2985 /* 2986 * The sync byte test is a weak measure of packet 2987 * validity. Conservatively discard any input yet 2988 * to be seen by userland when we detect a sync 2989 * error since there is a good chance some of 2990 * the queued packets have undetected errors. 2991 */ 2992 dropqueue(sc); 2993 if (sc->syncerrors == 0) 2994 sc->pkterrors++; 2995 ++sc->syncerrors; 2996 sc->lastinputerr = now; 2997 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2998 sc->pkterrors >= pkterrthresh) { 2999 /* 3000 * If we've failed to find a single sync byte 3001 * in 2 packets worth of data, or we've seen 3002 * persistent packet errors during the 3003 * validation period, reinitialize the mouse 3004 * in hopes of returning it to the expected 3005 * mode. 3006 */ 3007 VLOG(3, (LOG_DEBUG, 3008 "psmintr: reset the mouse.\n")); 3009 reinitialize(sc, TRUE); 3010 } else if (sc->syncerrors == sc->mode.packetsize) { 3011 /* 3012 * Try a soft reset after searching for a sync 3013 * byte through a packet length of bytes. 3014 */ 3015 VLOG(3, (LOG_DEBUG, 3016 "psmintr: re-enable the mouse.\n")); 3017 pb->inputbytes = 0; 3018 disable_aux_dev(sc->kbdc); 3019 enable_aux_dev(sc->kbdc); 3020 } else { 3021 VLOG(3, (LOG_DEBUG, 3022 "psmintr: discard a byte (%d)\n", 3023 sc->syncerrors)); 3024 pb->inputbytes--; 3025 bcopy(&pb->ipacket[1], &pb->ipacket[0], 3026 pb->inputbytes); 3027 } 3028 continue; 3029 } 3030 3031 /* 3032 * We have what appears to be a valid packet. 3033 * Reset the error counters. 3034 */ 3035 sc->syncerrors = 0; 3036 3037 /* 3038 * Drop even good packets if they occur within a timeout 3039 * period of a sync error. This allows the detection of 3040 * a change in the mouse's packet mode without exposing 3041 * erratic mouse behavior to the user. Some KVMs forget 3042 * enhanced mouse modes during switch events. 3043 */ 3044 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 3045 &now)) { 3046 pb->inputbytes = 0; 3047 continue; 3048 } 3049 3050 /* 3051 * Now that we're out of the validation period, reset 3052 * the packet error count. 3053 */ 3054 sc->pkterrors = 0; 3055 3056 sc->cmdcount++; 3057 next: 3058 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 3059 sc->pqueue_end = 0; 3060 /* 3061 * If we've filled the queue then call the softintr ourselves, 3062 * otherwise schedule the interrupt for later. 3063 */ 3064 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 3065 (sc->pqueue_end == sc->pqueue_start)) { 3066 if ((sc->state & PSM_SOFTARMED) != 0) { 3067 sc->state &= ~PSM_SOFTARMED; 3068 callout_stop(&sc->softcallout); 3069 } 3070 psmsoftintr(arg); 3071 } else if ((sc->state & PSM_SOFTARMED) == 0) { 3072 sc->state |= PSM_SOFTARMED; 3073 callout_reset(&sc->softcallout, 3074 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 3075 } 3076 } 3077 } 3078 3079 static void 3080 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3081 int *x, int *y, int *z) 3082 { 3083 3084 /* 3085 * PS2++ protocol packet 3086 * 3087 * b7 b6 b5 b4 b3 b2 b1 b0 3088 * byte 1: * 1 p3 p2 1 * * * 3089 * byte 2: c1 c2 p1 p0 d1 d0 1 0 3090 * 3091 * p3-p0: packet type 3092 * c1, c2: c1 & c2 == 1, if p2 == 0 3093 * c1 & c2 == 0, if p2 == 1 3094 * 3095 * packet type: 0 (device type) 3096 * See comments in enable_mmanplus() below. 3097 * 3098 * packet type: 1 (wheel data) 3099 * 3100 * b7 b6 b5 b4 b3 b2 b1 b0 3101 * byte 3: h * B5 B4 s d2 d1 d0 3102 * 3103 * h: 1, if horizontal roller data 3104 * 0, if vertical roller data 3105 * B4, B5: button 4 and 5 3106 * s: sign bit 3107 * d2-d0: roller data 3108 * 3109 * packet type: 2 (reserved) 3110 */ 3111 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 3112 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 3113 /* 3114 * the extended data packet encodes button 3115 * and wheel events 3116 */ 3117 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 3118 case 1: 3119 /* wheel data packet */ 3120 *x = *y = 0; 3121 if (pb->ipacket[2] & 0x80) { 3122 /* XXX horizontal roller count - ignore it */ 3123 ; 3124 } else { 3125 /* vertical roller count */ 3126 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 3127 (pb->ipacket[2] & 0x0f) - 16 : 3128 (pb->ipacket[2] & 0x0f); 3129 } 3130 ms->button |= (pb->ipacket[2] & 3131 MOUSE_PS2PLUS_BUTTON4DOWN) ? 3132 MOUSE_BUTTON4DOWN : 0; 3133 ms->button |= (pb->ipacket[2] & 3134 MOUSE_PS2PLUS_BUTTON5DOWN) ? 3135 MOUSE_BUTTON5DOWN : 0; 3136 break; 3137 case 2: 3138 /* 3139 * this packet type is reserved by 3140 * Logitech... 3141 */ 3142 /* 3143 * IBM ScrollPoint Mouse uses this 3144 * packet type to encode both vertical 3145 * and horizontal scroll movement. 3146 */ 3147 *x = *y = 0; 3148 /* horizontal count */ 3149 if (pb->ipacket[2] & 0x0f) 3150 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 3151 -2 : 2; 3152 /* vertical count */ 3153 if (pb->ipacket[2] & 0xf0) 3154 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 3155 -1 : 1; 3156 break; 3157 case 0: 3158 /* device type packet - shouldn't happen */ 3159 /* FALLTHROUGH */ 3160 default: 3161 *x = *y = 0; 3162 ms->button = ms->obutton; 3163 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 3164 "type %d: 0x%02x 0x%02x 0x%02x\n", 3165 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 3166 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 3167 break; 3168 } 3169 } else { 3170 /* preserve button states */ 3171 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 3172 } 3173 } 3174 3175 static int 3176 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3177 int *x, int *y, int *z) 3178 { 3179 static int touchpad_buttons; 3180 static int guest_buttons; 3181 static finger_t f[PSM_FINGERS]; 3182 int w, id, nfingers, ewcode, extended_buttons; 3183 3184 extended_buttons = 0; 3185 3186 /* TouchPad PS/2 absolute mode message format with capFourButtons: 3187 * 3188 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3189 * ------------------------------------------------ 3190 * ipacket[0]: 1 0 W3 W2 0 W1 R L 3191 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 3192 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 3193 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 3194 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 3195 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 3196 * 3197 * Legend: 3198 * L: left physical mouse button 3199 * R: right physical mouse button 3200 * D: down button 3201 * U: up button 3202 * W: "wrist" value 3203 * X: x position 3204 * Y: y position 3205 * Z: pressure 3206 * 3207 * Without capFourButtons but with nExtendeButtons and/or capMiddle 3208 * 3209 * Bits: 7 6 5 4 3 2 1 0 (LSB) 3210 * ------------------------------------------------------ 3211 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 3212 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 3213 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 3214 * 3215 * Legend: 3216 * M: Middle physical mouse button 3217 * E: Extended mouse buttons reported instead of low bits of X and Y 3218 * b1-b8: Extended mouse buttons 3219 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 3220 * 4 and 5, for reading X and Y value they should be zeroed. 3221 * 3222 * Absolute reportable limits: 0 - 6143. 3223 * Typical bezel limits: 1472 - 5472. 3224 * Typical edge marings: 1632 - 5312. 3225 * 3226 * w = 3 Passthrough Packet 3227 * 3228 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 3229 */ 3230 3231 if (!synaptics_support) 3232 return (0); 3233 3234 /* Sanity check for out of sync packets. */ 3235 if ((pb->ipacket[0] & 0xc8) != 0x80 || 3236 (pb->ipacket[3] & 0xc8) != 0xc0) 3237 return (-1); 3238 3239 *x = *y = 0; 3240 ms->button = ms->obutton; 3241 3242 /* 3243 * Pressure value. 3244 * Interpretation: 3245 * z = 0 No finger contact 3246 * z = 10 Finger hovering near the pad 3247 * z = 30 Very light finger contact 3248 * z = 80 Normal finger contact 3249 * z = 110 Very heavy finger contact 3250 * z = 200 Finger lying flat on pad surface 3251 * z = 255 Maximum reportable Z 3252 */ 3253 *z = pb->ipacket[2]; 3254 3255 /* 3256 * Finger width value 3257 * Interpretation: 3258 * w = 0 Two finger on the pad (capMultiFinger needed) 3259 * w = 1 Three or more fingers (capMultiFinger needed) 3260 * w = 2 Pen (instead of finger) (capPen needed) 3261 * w = 3 Reserved (passthrough?) 3262 * w = 4-7 Finger of normal width (capPalmDetect needed) 3263 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 3264 * w = 15 Maximum reportable width (capPalmDetect needed) 3265 */ 3266 /* XXX Is checking capExtended enough? */ 3267 if (sc->synhw.capExtended) 3268 w = ((pb->ipacket[0] & 0x30) >> 2) | 3269 ((pb->ipacket[0] & 0x04) >> 1) | 3270 ((pb->ipacket[3] & 0x04) >> 2); 3271 else { 3272 /* Assume a finger of regular width. */ 3273 w = 4; 3274 } 3275 3276 switch (w) { 3277 case 3: 3278 /* 3279 * Handle packets from the guest device. See: 3280 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 3281 */ 3282 if (sc->synhw.capPassthrough) { 3283 *x = ((pb->ipacket[1] & 0x10) ? 3284 pb->ipacket[4] - 256 : pb->ipacket[4]); 3285 *y = ((pb->ipacket[1] & 0x20) ? 3286 pb->ipacket[5] - 256 : pb->ipacket[5]); 3287 *z = 0; 3288 3289 guest_buttons = 0; 3290 if (pb->ipacket[1] & 0x01) 3291 guest_buttons |= MOUSE_BUTTON1DOWN; 3292 if (pb->ipacket[1] & 0x04) 3293 guest_buttons |= MOUSE_BUTTON2DOWN; 3294 if (pb->ipacket[1] & 0x02) 3295 guest_buttons |= MOUSE_BUTTON3DOWN; 3296 #ifdef EVDEV_SUPPORT 3297 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3298 evdev_push_rel(sc->evdev_r, REL_X, *x); 3299 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 3300 evdev_push_mouse_btn(sc->evdev_r, 3301 guest_buttons); 3302 evdev_sync(sc->evdev_r); 3303 } 3304 #endif 3305 ms->button = touchpad_buttons | guest_buttons | 3306 sc->extended_buttons; 3307 } 3308 goto SYNAPTICS_END; 3309 3310 case 2: 3311 /* Handle Extended W mode packets */ 3312 ewcode = (pb->ipacket[5] & 0xf0) >> 4; 3313 #if PSM_FINGERS > 1 3314 switch (ewcode) { 3315 case 1: 3316 /* Secondary finger */ 3317 if (sc->synhw.capAdvancedGestures) 3318 f[1] = (finger_t) { 3319 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3320 pb->ipacket[1]) << 1, 3321 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3322 pb->ipacket[2]) << 1, 3323 .p = ((pb->ipacket[3] & 0x30) | 3324 (pb->ipacket[5] & 0x0f)) << 1, 3325 .w = PSM_FINGER_DEFAULT_W, 3326 .flags = PSM_FINGER_FUZZY, 3327 }; 3328 else if (sc->synhw.capReportsV) 3329 f[1] = (finger_t) { 3330 .x = (((pb->ipacket[4] & 0x0f) << 8) | 3331 (pb->ipacket[1] & 0xfe)) << 1, 3332 .y = (((pb->ipacket[4] & 0xf0) << 4) | 3333 (pb->ipacket[2] & 0xfe)) << 1, 3334 .p = ((pb->ipacket[3] & 0x30) | 3335 (pb->ipacket[5] & 0x0e)) << 1, 3336 .w = (((pb->ipacket[5] & 0x01) << 2) | 3337 ((pb->ipacket[2] & 0x01) << 1) | 3338 (pb->ipacket[1] & 0x01)) + 8, 3339 .flags = PSM_FINGER_FUZZY, 3340 }; 3341 default: 3342 break; 3343 } 3344 #endif 3345 goto SYNAPTICS_END; 3346 3347 case 1: 3348 case 0: 3349 nfingers = w + 2; 3350 break; 3351 3352 default: 3353 nfingers = 1; 3354 } 3355 3356 if (sc->syninfo.touchpad_off) 3357 goto SYNAPTICS_END; 3358 3359 /* Button presses */ 3360 touchpad_buttons = 0; 3361 if (pb->ipacket[0] & 0x01) 3362 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3363 if (pb->ipacket[0] & 0x02) 3364 touchpad_buttons |= MOUSE_BUTTON3DOWN; 3365 3366 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3367 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 3368 touchpad_buttons |= MOUSE_BUTTON4DOWN; 3369 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 3370 touchpad_buttons |= MOUSE_BUTTON5DOWN; 3371 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 3372 !sc->synhw.capClickPad) { 3373 /* Middle Button */ 3374 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 3375 touchpad_buttons |= MOUSE_BUTTON2DOWN; 3376 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 3377 /* Extended Buttons */ 3378 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 3379 if (sc->syninfo.directional_scrolls) { 3380 if (pb->ipacket[4] & 0x01) 3381 extended_buttons |= MOUSE_BUTTON4DOWN; 3382 if (pb->ipacket[5] & 0x01) 3383 extended_buttons |= MOUSE_BUTTON5DOWN; 3384 if (pb->ipacket[4] & 0x02) 3385 extended_buttons |= MOUSE_BUTTON6DOWN; 3386 if (pb->ipacket[5] & 0x02) 3387 extended_buttons |= MOUSE_BUTTON7DOWN; 3388 } else { 3389 if (pb->ipacket[4] & 0x01) 3390 extended_buttons |= MOUSE_BUTTON1DOWN; 3391 if (pb->ipacket[5] & 0x01) 3392 extended_buttons |= MOUSE_BUTTON3DOWN; 3393 if (pb->ipacket[4] & 0x02) 3394 extended_buttons |= MOUSE_BUTTON2DOWN; 3395 sc->extended_buttons = extended_buttons; 3396 } 3397 3398 /* 3399 * Zero out bits used by extended buttons to avoid 3400 * misinterpretation of the data absolute position. 3401 * 3402 * The bits represented by 3403 * 3404 * (nExtendedButtons + 1) >> 1 3405 * 3406 * will be masked out in both bytes. 3407 * The mask for n bits is computed with the formula 3408 * 3409 * (1 << n) - 1 3410 */ 3411 int maskedbits = 0; 3412 int mask = 0; 3413 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 3414 mask = (1 << maskedbits) - 1; 3415 #ifdef EVDEV_SUPPORT 3416 int i; 3417 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3418 if (sc->synhw.capPassthrough) { 3419 evdev_push_mouse_btn(sc->evdev_r, 3420 extended_buttons); 3421 evdev_sync(sc->evdev_r); 3422 } 3423 for (i = 0; i < maskedbits; i++) { 3424 evdev_push_key(sc->evdev_a, 3425 BTN_0 + i * 2, 3426 pb->ipacket[4] & (1 << i)); 3427 evdev_push_key(sc->evdev_a, 3428 BTN_0 + i * 2 + 1, 3429 pb->ipacket[5] & (1 << i)); 3430 } 3431 } 3432 #endif 3433 pb->ipacket[4] &= ~(mask); 3434 pb->ipacket[5] &= ~(mask); 3435 } else if (!sc->syninfo.directional_scrolls && 3436 !sc->gesture.in_vscroll) { 3437 /* 3438 * Keep reporting MOUSE DOWN until we get a new packet 3439 * indicating otherwise. 3440 */ 3441 extended_buttons |= sc->extended_buttons; 3442 } 3443 } 3444 /* Handle ClickPad */ 3445 if (sc->synhw.capClickPad && 3446 ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01)) 3447 touchpad_buttons |= MOUSE_BUTTON1DOWN; 3448 3449 if (sc->synhw.capReportsV && nfingers > 1) 3450 f[0] = (finger_t) { 3451 .x = ((pb->ipacket[3] & 0x10) << 8) | 3452 ((pb->ipacket[1] & 0x0f) << 8) | 3453 (pb->ipacket[4] & 0xfd), 3454 .y = ((pb->ipacket[3] & 0x20) << 7) | 3455 ((pb->ipacket[1] & 0xf0) << 4) | 3456 (pb->ipacket[5] & 0xfd), 3457 .p = *z & 0xfe, 3458 .w = (((pb->ipacket[2] & 0x01) << 2) | 3459 (pb->ipacket[5] & 0x02) | 3460 ((pb->ipacket[4] & 0x02) >> 1)) + 8, 3461 .flags = PSM_FINGER_FUZZY, 3462 }; 3463 else 3464 f[0] = (finger_t) { 3465 .x = ((pb->ipacket[3] & 0x10) << 8) | 3466 ((pb->ipacket[1] & 0x0f) << 8) | 3467 pb->ipacket[4], 3468 .y = ((pb->ipacket[3] & 0x20) << 7) | 3469 ((pb->ipacket[1] & 0xf0) << 4) | 3470 pb->ipacket[5], 3471 .p = *z, 3472 .w = w, 3473 .flags = nfingers > 1 ? PSM_FINGER_FUZZY : 0, 3474 }; 3475 3476 /* Ignore hovering and unmeasurable touches */ 3477 if (f[0].p < sc->syninfo.min_pressure || f[0].x < 2) 3478 nfingers = 0; 3479 3480 for (id = 0; id < PSM_FINGERS; id++) 3481 if (id >= nfingers) 3482 PSM_FINGER_RESET(f[id]); 3483 3484 #ifdef EVDEV_SUPPORT 3485 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 3486 for (id = 0; id < PSM_FINGERS; id++) { 3487 if (PSM_FINGER_IS_SET(f[id])) 3488 psm_push_mt_finger(sc, id, &f[id]); 3489 else 3490 psm_release_mt_slot(sc->evdev_a, id); 3491 } 3492 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 3493 evdev_push_nfingers(sc->evdev_a, nfingers); 3494 if (nfingers > 0) 3495 psm_push_st_finger(sc, &f[0]); 3496 else 3497 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 3498 evdev_push_mouse_btn(sc->evdev_a, touchpad_buttons); 3499 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 3500 evdev_push_key(sc->evdev_a, BTN_FORWARD, 3501 touchpad_buttons & MOUSE_BUTTON4DOWN); 3502 evdev_push_key(sc->evdev_a, BTN_BACK, 3503 touchpad_buttons & MOUSE_BUTTON5DOWN); 3504 } 3505 evdev_sync(sc->evdev_a); 3506 } 3507 #endif 3508 3509 ms->button = touchpad_buttons; 3510 3511 psmgestures(sc, &f[0], nfingers, ms); 3512 for (id = 0; id < PSM_FINGERS; id++) 3513 psmsmoother(sc, &f[id], id, ms, x, y); 3514 3515 /* Palm detection doesn't terminate the current action. */ 3516 if (psmpalmdetect(sc, &f[0], nfingers)) { 3517 *x = *y = *z = 0; 3518 ms->button = ms->obutton; 3519 return (0); 3520 } 3521 3522 ms->button |= extended_buttons | guest_buttons; 3523 3524 SYNAPTICS_END: 3525 /* 3526 * Use the extra buttons as a scrollwheel 3527 * 3528 * XXX X.Org uses the Z axis for vertical wheel only, 3529 * whereas moused(8) understands special values to differ 3530 * vertical and horizontal wheels. 3531 * 3532 * xf86-input-mouse needs therefore a small patch to 3533 * understand these special values. Without it, the 3534 * horizontal wheel acts as a vertical wheel in X.Org. 3535 * 3536 * That's why the horizontal wheel is disabled by 3537 * default for now. 3538 */ 3539 if (ms->button & MOUSE_BUTTON4DOWN) 3540 *z = -1; 3541 else if (ms->button & MOUSE_BUTTON5DOWN) 3542 *z = 1; 3543 else if (ms->button & MOUSE_BUTTON6DOWN) 3544 *z = -2; 3545 else if (ms->button & MOUSE_BUTTON7DOWN) 3546 *z = 2; 3547 else 3548 *z = 0; 3549 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 3550 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 3551 3552 return (0); 3553 } 3554 3555 static int 3556 psmpalmdetect(struct psm_softc *sc, finger_t *f, int nfingers) 3557 { 3558 if (!( 3559 ((sc->synhw.capMultiFinger || sc->synhw.capAdvancedGestures) && 3560 !sc->synhw.capReportsV && nfingers > 1) || 3561 (sc->synhw.capReportsV && nfingers > 2) || 3562 (sc->synhw.capPalmDetect && f->w <= sc->syninfo.max_width) || 3563 (!sc->synhw.capPalmDetect && f->p <= sc->syninfo.max_pressure) || 3564 (sc->synhw.capPen && f->flags & PSM_FINGER_IS_PEN))) { 3565 /* 3566 * We consider the packet irrelevant for the current 3567 * action when: 3568 * - the width isn't comprised in: 3569 * [1; max_width] 3570 * - the pressure isn't comprised in: 3571 * [min_pressure; max_pressure] 3572 * - pen aren't supported but PSM_FINGER_IS_PEN is set 3573 */ 3574 VLOG(2, (LOG_DEBUG, "synaptics: palm detected! (%d)\n", f->w)); 3575 return (1); 3576 } 3577 return (0); 3578 } 3579 3580 static void 3581 psmgestures(struct psm_softc *sc, finger_t *fingers, int nfingers, 3582 mousestatus_t *ms) 3583 { 3584 smoother_t *smoother; 3585 gesture_t *gest; 3586 finger_t *f; 3587 int y_ok, center_button, center_x, right_button, right_x, i; 3588 3589 f = &fingers[0]; 3590 smoother = &sc->smoother[0]; 3591 gest = &sc->gesture; 3592 3593 /* Find first active finger. */ 3594 if (nfingers > 0) { 3595 for (i = 0; i < PSM_FINGERS; i++) { 3596 if (PSM_FINGER_IS_SET(fingers[i])) { 3597 f = &fingers[i]; 3598 smoother = &sc->smoother[i]; 3599 break; 3600 } 3601 } 3602 } 3603 3604 /* 3605 * Check pressure to detect a real wanted action on the 3606 * touchpad. 3607 */ 3608 if (f->p >= sc->syninfo.min_pressure) { 3609 int x0, y0; 3610 int dxp, dyp; 3611 int start_x, start_y; 3612 int queue_len; 3613 int margin_top, margin_right, margin_bottom, margin_left; 3614 int window_min, window_max; 3615 int vscroll_hor_area, vscroll_ver_area; 3616 int two_finger_scroll; 3617 int max_x, max_y; 3618 3619 /* Read sysctl. */ 3620 /* XXX Verify values? */ 3621 margin_top = sc->syninfo.margin_top; 3622 margin_right = sc->syninfo.margin_right; 3623 margin_bottom = sc->syninfo.margin_bottom; 3624 margin_left = sc->syninfo.margin_left; 3625 window_min = sc->syninfo.window_min; 3626 window_max = sc->syninfo.window_max; 3627 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3628 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3629 two_finger_scroll = sc->syninfo.two_finger_scroll; 3630 max_x = sc->syninfo.max_x; 3631 max_y = sc->syninfo.max_y; 3632 3633 /* Read current absolute position. */ 3634 x0 = f->x; 3635 y0 = f->y; 3636 3637 /* 3638 * Limit the coordinates to the specified margins because 3639 * this area isn't very reliable. 3640 */ 3641 if (x0 <= margin_left) 3642 x0 = margin_left; 3643 else if (x0 >= max_x - margin_right) 3644 x0 = max_x - margin_right; 3645 if (y0 <= margin_bottom) 3646 y0 = margin_bottom; 3647 else if (y0 >= max_y - margin_top) 3648 y0 = max_y - margin_top; 3649 3650 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 3651 x0, y0, f->p, f->w)); 3652 3653 /* 3654 * If the action is just beginning, init the structure and 3655 * compute tap timeout. 3656 */ 3657 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 3658 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 3659 3660 /* Initialize queue. */ 3661 gest->window_min = window_min; 3662 3663 /* Reset pressure peak. */ 3664 gest->zmax = 0; 3665 3666 /* Reset fingers count. */ 3667 gest->fingers_nb = 0; 3668 3669 /* Reset virtual scrolling state. */ 3670 gest->in_vscroll = 0; 3671 3672 /* Compute tap timeout. */ 3673 gest->taptimeout.tv_sec = tap_timeout / 1000000; 3674 gest->taptimeout.tv_usec = tap_timeout % 1000000; 3675 timevaladd(&gest->taptimeout, &sc->lastsoftintr); 3676 3677 sc->flags |= PSM_FLAGS_FINGERDOWN; 3678 3679 /* Smoother has not been reset yet */ 3680 queue_len = 1; 3681 start_x = x0; 3682 start_y = y0; 3683 } else { 3684 queue_len = smoother->queue_len + 1; 3685 start_x = smoother->start_x; 3686 start_y = smoother->start_y; 3687 } 3688 3689 /* Process ClickPad softbuttons */ 3690 if (sc->synhw.capClickPad && ms->button & MOUSE_BUTTON1DOWN) { 3691 y_ok = sc->syninfo.softbuttons_y >= 0 ? 3692 start_y < sc->syninfo.softbuttons_y : 3693 start_y > max_y + sc->syninfo.softbuttons_y; 3694 3695 center_button = MOUSE_BUTTON2DOWN; 3696 center_x = sc->syninfo.softbutton2_x; 3697 right_button = MOUSE_BUTTON3DOWN; 3698 right_x = sc->syninfo.softbutton3_x; 3699 3700 if (center_x > 0 && right_x > 0 && center_x > right_x) { 3701 center_button = MOUSE_BUTTON3DOWN; 3702 center_x = sc->syninfo.softbutton3_x; 3703 right_button = MOUSE_BUTTON2DOWN; 3704 right_x = sc->syninfo.softbutton2_x; 3705 } 3706 3707 if (right_x > 0 && start_x > right_x && y_ok) 3708 ms->button = (ms->button & 3709 ~MOUSE_BUTTON1DOWN) | right_button; 3710 else if (center_x > 0 && start_x > center_x && y_ok) 3711 ms->button = (ms->button & 3712 ~MOUSE_BUTTON1DOWN) | center_button; 3713 } 3714 3715 /* If in tap-hold, add the recorded button. */ 3716 if (gest->in_taphold) 3717 ms->button |= gest->tap_button; 3718 3719 /* 3720 * For tap, we keep the maximum number of fingers and the 3721 * pressure peak. Also with multiple fingers, we increase 3722 * the minimum window. 3723 */ 3724 if (nfingers > 1) 3725 gest->window_min = window_max; 3726 gest->fingers_nb = imax(nfingers, gest->fingers_nb); 3727 gest->zmax = imax(f->p, gest->zmax); 3728 3729 /* Do we have enough packets to consider this a gesture? */ 3730 if (queue_len < gest->window_min) 3731 return; 3732 3733 /* Is a scrolling action occurring? */ 3734 if (!gest->in_taphold && !ms->button && 3735 (!gest->in_vscroll || two_finger_scroll)) { 3736 /* 3737 * A scrolling action must not conflict with a tap 3738 * action. Here are the conditions to consider a 3739 * scrolling action: 3740 * - the action in a configurable area 3741 * - one of the following: 3742 * . the distance between the last packet and the 3743 * first should be above a configurable minimum 3744 * . tap timed out 3745 */ 3746 dxp = abs(x0 - start_x); 3747 dyp = abs(y0 - start_y); 3748 3749 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, >) || 3750 dxp >= sc->syninfo.vscroll_min_delta || 3751 dyp >= sc->syninfo.vscroll_min_delta) { 3752 /* 3753 * Handle two finger scrolling. 3754 * Note that we don't rely on fingers_nb 3755 * as that keeps the maximum number of fingers. 3756 */ 3757 if (two_finger_scroll) { 3758 if (nfingers == 2) { 3759 gest->in_vscroll += 3760 dyp ? 2 : 0; 3761 gest->in_vscroll += 3762 dxp ? 1 : 0; 3763 } 3764 } else { 3765 /* Check for horizontal scrolling. */ 3766 if ((vscroll_hor_area > 0 && 3767 start_y <= vscroll_hor_area) || 3768 (vscroll_hor_area < 0 && 3769 start_y >= 3770 max_y + vscroll_hor_area)) 3771 gest->in_vscroll += 2; 3772 3773 /* Check for vertical scrolling. */ 3774 if ((vscroll_ver_area > 0 && 3775 start_x <= vscroll_ver_area) || 3776 (vscroll_ver_area < 0 && 3777 start_x >= 3778 max_x + vscroll_ver_area)) 3779 gest->in_vscroll += 1; 3780 } 3781 3782 /* Avoid conflicts if area overlaps. */ 3783 if (gest->in_vscroll >= 3) 3784 gest->in_vscroll = 3785 (dxp > dyp) ? 2 : 1; 3786 } 3787 } 3788 /* 3789 * Reset two finger scrolling when the number of fingers 3790 * is different from two or any button is pressed. 3791 */ 3792 if (two_finger_scroll && gest->in_vscroll != 0 && 3793 (nfingers != 2 || ms->button)) 3794 gest->in_vscroll = 0; 3795 3796 VLOG(5, (LOG_DEBUG, 3797 "synaptics: virtual scrolling: %s " 3798 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3799 gest->in_vscroll ? "YES" : "NO", 3800 gest->in_vscroll, dxp, dyp, 3801 gest->fingers_nb)); 3802 3803 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3804 /* 3805 * An action is currently taking place but the pressure 3806 * dropped under the minimum, putting an end to it. 3807 */ 3808 int taphold_timeout, dx, dy, tap_max_delta; 3809 3810 dx = abs(smoother->queue[smoother->queue_cursor].x - 3811 smoother->start_x); 3812 dy = abs(smoother->queue[smoother->queue_cursor].y - 3813 smoother->start_y); 3814 3815 /* Max delta is disabled for multi-fingers tap. */ 3816 if (gest->fingers_nb > 1) 3817 tap_max_delta = imax(dx, dy); 3818 else 3819 tap_max_delta = sc->syninfo.tap_max_delta; 3820 3821 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3822 3823 /* Check for tap. */ 3824 VLOG(3, (LOG_DEBUG, 3825 "synaptics: zmax=%d, dx=%d, dy=%d, " 3826 "delta=%d, fingers=%d, queue=%d\n", 3827 gest->zmax, dx, dy, tap_max_delta, gest->fingers_nb, 3828 smoother->queue_len)); 3829 if (!gest->in_vscroll && gest->zmax >= tap_threshold && 3830 timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=) && 3831 dx <= tap_max_delta && dy <= tap_max_delta && 3832 smoother->queue_len >= sc->syninfo.tap_min_queue) { 3833 /* 3834 * We have a tap if: 3835 * - the maximum pressure went over tap_threshold 3836 * - the action ended before tap_timeout 3837 * 3838 * To handle tap-hold, we must delay any button push to 3839 * the next action. 3840 */ 3841 if (gest->in_taphold) { 3842 /* 3843 * This is the second and last tap of a 3844 * double tap action, not a tap-hold. 3845 */ 3846 gest->in_taphold = 0; 3847 3848 /* 3849 * For double-tap to work: 3850 * - no button press is emitted (to 3851 * simulate a button release) 3852 * - PSM_FLAGS_FINGERDOWN is set to 3853 * force the next packet to emit a 3854 * button press) 3855 */ 3856 VLOG(2, (LOG_DEBUG, 3857 "synaptics: button RELEASE: %d\n", 3858 gest->tap_button)); 3859 sc->flags |= PSM_FLAGS_FINGERDOWN; 3860 3861 /* Schedule button press on next interrupt */ 3862 sc->idletimeout.tv_sec = psmhz > 1 ? 3863 0 : 1; 3864 sc->idletimeout.tv_usec = psmhz > 1 ? 3865 1000000 / psmhz : 0; 3866 } else { 3867 /* 3868 * This is the first tap: we set the 3869 * tap-hold state and notify the button 3870 * down event. 3871 */ 3872 gest->in_taphold = 1; 3873 taphold_timeout = sc->syninfo.taphold_timeout; 3874 gest->taptimeout.tv_sec = taphold_timeout / 3875 1000000; 3876 gest->taptimeout.tv_usec = taphold_timeout % 3877 1000000; 3878 sc->idletimeout = gest->taptimeout; 3879 timevaladd(&gest->taptimeout, 3880 &sc->lastsoftintr); 3881 3882 switch (gest->fingers_nb) { 3883 case 3: 3884 gest->tap_button = 3885 MOUSE_BUTTON2DOWN; 3886 break; 3887 case 2: 3888 gest->tap_button = 3889 MOUSE_BUTTON3DOWN; 3890 break; 3891 default: 3892 gest->tap_button = 3893 MOUSE_BUTTON1DOWN; 3894 } 3895 VLOG(2, (LOG_DEBUG, 3896 "synaptics: button PRESS: %d\n", 3897 gest->tap_button)); 3898 ms->button |= gest->tap_button; 3899 } 3900 } else { 3901 /* 3902 * Not enough pressure or timeout: reset 3903 * tap-hold state. 3904 */ 3905 if (gest->in_taphold) { 3906 VLOG(2, (LOG_DEBUG, 3907 "synaptics: button RELEASE: %d\n", 3908 gest->tap_button)); 3909 gest->in_taphold = 0; 3910 } else { 3911 VLOG(2, (LOG_DEBUG, 3912 "synaptics: not a tap-hold\n")); 3913 } 3914 } 3915 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && gest->in_taphold) { 3916 /* 3917 * For a tap-hold to work, the button must remain down at 3918 * least until timeout (where the in_taphold flags will be 3919 * cleared) or during the next action. 3920 */ 3921 if (timevalcmp(&sc->lastsoftintr, &gest->taptimeout, <=)) { 3922 ms->button |= gest->tap_button; 3923 } else { 3924 VLOG(2, (LOG_DEBUG, "synaptics: button RELEASE: %d\n", 3925 gest->tap_button)); 3926 gest->in_taphold = 0; 3927 } 3928 } 3929 3930 return; 3931 } 3932 3933 static void 3934 psmsmoother(struct psm_softc *sc, finger_t *f, int smoother_id, 3935 mousestatus_t *ms, int *x, int *y) 3936 { 3937 smoother_t *smoother = &sc->smoother[smoother_id]; 3938 gesture_t *gest = &(sc->gesture); 3939 3940 /* 3941 * Check pressure to detect a real wanted action on the 3942 * touchpad. 3943 */ 3944 if (f->p >= sc->syninfo.min_pressure) { 3945 int x0, y0; 3946 int cursor, peer, window; 3947 int dx, dy, dxp, dyp; 3948 int max_width, max_pressure; 3949 int margin_top, margin_right, margin_bottom, margin_left; 3950 int na_top, na_right, na_bottom, na_left; 3951 int window_min, window_max; 3952 int multiplicator; 3953 int weight_current, weight_previous, weight_len_squared; 3954 int div_min, div_max, div_len; 3955 int vscroll_hor_area, vscroll_ver_area; 3956 int two_finger_scroll; 3957 int max_x, max_y; 3958 int len, weight_prev_x, weight_prev_y; 3959 int div_max_x, div_max_y, div_x, div_y; 3960 int is_fuzzy; 3961 3962 /* Read sysctl. */ 3963 /* XXX Verify values? */ 3964 max_width = sc->syninfo.max_width; 3965 max_pressure = sc->syninfo.max_pressure; 3966 margin_top = sc->syninfo.margin_top; 3967 margin_right = sc->syninfo.margin_right; 3968 margin_bottom = sc->syninfo.margin_bottom; 3969 margin_left = sc->syninfo.margin_left; 3970 na_top = sc->syninfo.na_top; 3971 na_right = sc->syninfo.na_right; 3972 na_bottom = sc->syninfo.na_bottom; 3973 na_left = sc->syninfo.na_left; 3974 window_min = sc->syninfo.window_min; 3975 window_max = sc->syninfo.window_max; 3976 multiplicator = sc->syninfo.multiplicator; 3977 weight_current = sc->syninfo.weight_current; 3978 weight_previous = sc->syninfo.weight_previous; 3979 weight_len_squared = sc->syninfo.weight_len_squared; 3980 div_min = sc->syninfo.div_min; 3981 div_max = sc->syninfo.div_max; 3982 div_len = sc->syninfo.div_len; 3983 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 3984 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 3985 two_finger_scroll = sc->syninfo.two_finger_scroll; 3986 max_x = sc->syninfo.max_x; 3987 max_y = sc->syninfo.max_y; 3988 3989 is_fuzzy = (f->flags & PSM_FINGER_FUZZY) != 0; 3990 3991 /* Read current absolute position. */ 3992 x0 = f->x; 3993 y0 = f->y; 3994 3995 /* 3996 * Limit the coordinates to the specified margins because 3997 * this area isn't very reliable. 3998 */ 3999 if (x0 <= margin_left) 4000 x0 = margin_left; 4001 else if (x0 >= max_x - margin_right) 4002 x0 = max_x - margin_right; 4003 if (y0 <= margin_bottom) 4004 y0 = margin_bottom; 4005 else if (y0 >= max_y - margin_top) 4006 y0 = max_y - margin_top; 4007 4008 /* If the action is just beginning, init the structure. */ 4009 if (smoother->active == 0) { 4010 VLOG(3, (LOG_DEBUG, "smoother%d: ---\n", smoother_id)); 4011 4012 /* Store the first point of this action. */ 4013 smoother->start_x = x0; 4014 smoother->start_y = y0; 4015 dx = dy = 0; 4016 4017 /* Initialize queue. */ 4018 smoother->queue_cursor = SYNAPTICS_PACKETQUEUE; 4019 smoother->queue_len = 0; 4020 4021 /* Reset average. */ 4022 smoother->avg_dx = 0; 4023 smoother->avg_dy = 0; 4024 4025 /* Reset squelch. */ 4026 smoother->squelch_x = 0; 4027 smoother->squelch_y = 0; 4028 4029 /* Activate queue */ 4030 smoother->active = 1; 4031 } else { 4032 /* Calculate the current delta. */ 4033 cursor = smoother->queue_cursor; 4034 dx = x0 - smoother->queue[cursor].x; 4035 dy = y0 - smoother->queue[cursor].y; 4036 } 4037 4038 VLOG(3, (LOG_DEBUG, "smoother%d: ipacket: [%d, %d], %d, %d\n", 4039 smoother_id, x0, y0, f->p, f->w)); 4040 4041 /* Queue this new packet. */ 4042 cursor = SYNAPTICS_QUEUE_CURSOR(smoother->queue_cursor - 1); 4043 smoother->queue[cursor].x = x0; 4044 smoother->queue[cursor].y = y0; 4045 smoother->queue_cursor = cursor; 4046 if (smoother->queue_len < SYNAPTICS_PACKETQUEUE) 4047 smoother->queue_len++; 4048 VLOG(5, (LOG_DEBUG, 4049 "smoother%d: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 4050 smoother_id, cursor, x0, y0, dx, dy)); 4051 4052 /* Do we have enough packets to consider this a movement? */ 4053 if (smoother->queue_len < gest->window_min) 4054 return; 4055 4056 weight_prev_x = weight_prev_y = weight_previous; 4057 div_max_x = div_max_y = div_max; 4058 4059 if (gest->in_vscroll) { 4060 /* Dividers are different with virtual scrolling. */ 4061 div_min = sc->syninfo.vscroll_div_min; 4062 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 4063 } else { 4064 /* 4065 * There's a lot of noise in coordinates when 4066 * the finger is on the touchpad's borders. When 4067 * using this area, we apply a special weight and 4068 * div. 4069 */ 4070 if (x0 <= na_left || x0 >= max_x - na_right) { 4071 weight_prev_x = sc->syninfo.weight_previous_na; 4072 div_max_x = sc->syninfo.div_max_na; 4073 } 4074 4075 if (y0 <= na_bottom || y0 >= max_y - na_top) { 4076 weight_prev_y = sc->syninfo.weight_previous_na; 4077 div_max_y = sc->syninfo.div_max_na; 4078 } 4079 } 4080 4081 /* 4082 * Calculate weights for the average operands and 4083 * the divisor. Both depend on the distance between 4084 * the current packet and a previous one (based on the 4085 * window width). 4086 */ 4087 window = imin(smoother->queue_len, window_max); 4088 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 4089 dxp = abs(x0 - smoother->queue[peer].x) + 1; 4090 dyp = abs(y0 - smoother->queue[peer].y) + 1; 4091 len = (dxp * dxp) + (dyp * dyp); 4092 weight_prev_x = imin(weight_prev_x, 4093 weight_len_squared * weight_prev_x / len); 4094 weight_prev_y = imin(weight_prev_y, 4095 weight_len_squared * weight_prev_y / len); 4096 4097 len = (dxp + dyp) / 2; 4098 div_x = div_len * div_max_x / len; 4099 div_x = imin(div_max_x, div_x); 4100 div_x = imax(div_min, div_x); 4101 div_y = div_len * div_max_y / len; 4102 div_y = imin(div_max_y, div_y); 4103 div_y = imax(div_min, div_y); 4104 4105 VLOG(3, (LOG_DEBUG, 4106 "smoother%d: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 4107 smoother_id, peer, len, weight_prev_x, weight_prev_y, 4108 div_x, div_y)); 4109 4110 /* Compute averages. */ 4111 smoother->avg_dx = 4112 (weight_current * dx * multiplicator + 4113 weight_prev_x * smoother->avg_dx) / 4114 (weight_current + weight_prev_x); 4115 4116 smoother->avg_dy = 4117 (weight_current * dy * multiplicator + 4118 weight_prev_y * smoother->avg_dy) / 4119 (weight_current + weight_prev_y); 4120 4121 VLOG(5, (LOG_DEBUG, 4122 "smoother%d: avg_dx~=%d, avg_dy~=%d\n", smoother_id, 4123 smoother->avg_dx / multiplicator, 4124 smoother->avg_dy / multiplicator)); 4125 4126 /* Use these averages to calculate x & y. */ 4127 smoother->squelch_x += smoother->avg_dx; 4128 dxp = smoother->squelch_x / (div_x * multiplicator); 4129 smoother->squelch_x = smoother->squelch_x % 4130 (div_x * multiplicator); 4131 4132 smoother->squelch_y += smoother->avg_dy; 4133 dyp = smoother->squelch_y / (div_y * multiplicator); 4134 smoother->squelch_y = smoother->squelch_y % 4135 (div_y * multiplicator); 4136 4137 switch(gest->in_vscroll) { 4138 case 0: /* Pointer movement. */ 4139 /* On real<->fuzzy finger switch the x/y pos jumps */ 4140 if (is_fuzzy == smoother->is_fuzzy) { 4141 *x += dxp; 4142 *y += dyp; 4143 } 4144 4145 VLOG(3, (LOG_DEBUG, "smoother%d: [%d, %d] -> [%d, %d]\n", 4146 smoother_id, dx, dy, dxp, dyp)); 4147 break; 4148 case 1: /* Vertical scrolling. */ 4149 if (dyp != 0) 4150 ms->button |= (dyp > 0) ? 4151 MOUSE_BUTTON4DOWN : MOUSE_BUTTON5DOWN; 4152 break; 4153 case 2: /* Horizontal scrolling. */ 4154 if (dxp != 0) 4155 ms->button |= (dxp > 0) ? 4156 MOUSE_BUTTON7DOWN : MOUSE_BUTTON6DOWN; 4157 break; 4158 } 4159 4160 smoother->is_fuzzy = is_fuzzy; 4161 4162 } else { 4163 /* 4164 * Deactivate queue. Note: We can not just reset queue here 4165 * as these values are still used by gesture processor. 4166 * So postpone reset till next touch. 4167 */ 4168 smoother->active = 0; 4169 } 4170 } 4171 4172 static int 4173 proc_elantech(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4174 int *x, int *y, int *z) 4175 { 4176 static int touchpad_button, trackpoint_button; 4177 finger_t fn, f[ELANTECH_MAX_FINGERS]; 4178 int pkt, id, scale, i, nfingers, mask; 4179 4180 if (!elantech_support) 4181 return (0); 4182 4183 /* Determine packet format and do a sanity check for out of sync packets. */ 4184 if (ELANTECH_PKT_IS_DEBOUNCE(pb, sc->elanhw.hwversion)) 4185 pkt = ELANTECH_PKT_NOP; 4186 else if (ELANTECH_PKT_IS_TRACKPOINT(pb)) 4187 pkt = ELANTECH_PKT_TRACKPOINT; 4188 else 4189 switch (sc->elanhw.hwversion) { 4190 case 2: 4191 if (!ELANTECH_PKT_IS_V2(pb)) 4192 return (-1); 4193 4194 pkt = (pb->ipacket[0] & 0xc0) == 0x80 ? 4195 ELANTECH_PKT_V2_2FINGER : ELANTECH_PKT_V2_COMMON; 4196 break; 4197 case 3: 4198 if (!ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc) && 4199 !ELANTECH_PKT_IS_V3_TAIL(pb, sc->elanhw.hascrc)) 4200 return (-1); 4201 4202 pkt = ELANTECH_PKT_V3; 4203 break; 4204 case 4: 4205 if (!ELANTECH_PKT_IS_V4(pb, sc->elanhw.hascrc)) 4206 return (-1); 4207 4208 switch (pb->ipacket[3] & 0x03) { 4209 case 0x00: 4210 pkt = ELANTECH_PKT_V4_STATUS; 4211 break; 4212 case 0x01: 4213 pkt = ELANTECH_PKT_V4_HEAD; 4214 break; 4215 case 0x02: 4216 pkt = ELANTECH_PKT_V4_MOTION; 4217 break; 4218 default: 4219 return (-1); 4220 } 4221 break; 4222 default: 4223 return (-1); 4224 } 4225 4226 VLOG(5, (LOG_DEBUG, "elantech: ipacket format: %d\n", pkt)); 4227 4228 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4229 PSM_FINGER_RESET(f[id]); 4230 4231 *x = *y = *z = 0; 4232 ms->button = ms->obutton; 4233 4234 if (sc->syninfo.touchpad_off) 4235 return (0); 4236 4237 /* Common legend 4238 * L: Left mouse button pressed 4239 * R: Right mouse button pressed 4240 * N: number of fingers on touchpad 4241 * X: absolute x value (horizontal) 4242 * Y: absolute y value (vertical) 4243 * W; width of the finger touch 4244 * P: pressure 4245 */ 4246 switch (pkt) { 4247 case ELANTECH_PKT_V2_COMMON: /* HW V2. One/Three finger touch */ 4248 /* 7 6 5 4 3 2 1 0 (LSB) 4249 * ------------------------------------------- 4250 * ipacket[0]: N1 N0 W3 W2 . . R L 4251 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4252 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4253 * ipacket[3]: N4 VF W1 W0 . . . B2 4254 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4255 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4256 * ------------------------------------------- 4257 * N4: set if more than 3 fingers (only in 3 fingers mode) 4258 * VF: a kind of flag? (only on EF123, 0 when finger 4259 * is over one of the buttons, 1 otherwise) 4260 * B2: (on EF113 only, 0 otherwise), one button pressed 4261 * P & W is not reported on EF113 touchpads 4262 */ 4263 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4264 if (nfingers == 3 && (pb->ipacket[3] & 0x80)) 4265 nfingers = 4; 4266 4267 if (nfingers == 0) { 4268 mask = (1 << nfingers) - 1; /* = 0x00 */ 4269 break; 4270 } 4271 4272 /* Map 3-rd and 4-th fingers to first finger */ 4273 mask = (1 << 1) - 1; /* = 0x01 */ 4274 f[0] = ELANTECH_FINGER_SET_XYP(pb); 4275 if (sc->elanhw.haspressure) { 4276 f[0].w = ((pb->ipacket[0] & 0x30) >> 2) | 4277 ((pb->ipacket[3] & 0x30) >> 4); 4278 } else { 4279 f[0].p = PSM_FINGER_DEFAULT_P; 4280 f[0].w = PSM_FINGER_DEFAULT_W; 4281 } 4282 4283 /* 4284 * HW v2 dont report exact finger positions when 3 or more 4285 * fingers are on touchpad. 4286 */ 4287 if (nfingers > 2) 4288 f[0].flags = PSM_FINGER_FUZZY; 4289 4290 break; 4291 4292 case ELANTECH_PKT_V2_2FINGER: /*HW V2. Two finger touch */ 4293 /* 7 6 5 4 3 2 1 0 (LSB) 4294 * ------------------------------------------- 4295 * ipacket[0]: N1 N0 AY8 AX8 . . R L 4296 * ipacket[1]: AX7 AX6 AX5 AX4 AX3 AX2 AX1 AX0 4297 * ipacket[2]: AY7 AY6 AY5 AY4 AY3 AY2 AY1 AY0 4298 * ipacket[3]: . . BY8 BX8 . . . . 4299 * ipacket[4]: BX7 BX6 BX5 BX4 BX3 BX2 BX1 BX0 4300 * ipacket[5]: BY7 BY6 BY5 BY4 BY3 BY2 BY1 BY0 4301 * ------------------------------------------- 4302 * AX: lower-left finger absolute x value 4303 * AY: lower-left finger absolute y value 4304 * BX: upper-right finger absolute x value 4305 * BY: upper-right finger absolute y value 4306 */ 4307 nfingers = 2; 4308 mask = (1 << nfingers) - 1; 4309 4310 for (id = 0; id < imin(2, ELANTECH_MAX_FINGERS); id ++) 4311 f[id] = (finger_t) { 4312 .x = (((pb->ipacket[id * 3] & 0x10) << 4) | 4313 pb->ipacket[id * 3 + 1]) << 2, 4314 .y = (((pb->ipacket[id * 3] & 0x20) << 3) | 4315 pb->ipacket[id * 3 + 2]) << 2, 4316 .p = PSM_FINGER_DEFAULT_P, 4317 .w = PSM_FINGER_DEFAULT_W, 4318 /* HW ver.2 sends bounding box */ 4319 .flags = PSM_FINGER_FUZZY 4320 }; 4321 break; 4322 4323 case ELANTECH_PKT_V3: /* HW Version 3 */ 4324 /* 7 6 5 4 3 2 1 0 (LSB) 4325 * ------------------------------------------- 4326 * ipacket[0]: N1 N0 W3 W2 0 1 R L 4327 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4328 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4329 * ipacket[3]: 0 0 W1 W0 0 0 1 0 4330 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4331 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4332 * ------------------------------------------- 4333 */ 4334 nfingers = (pb->ipacket[0] & 0xc0) >> 6; 4335 /* Map 3-rd finger to first finger */ 4336 id = nfingers > 2 ? 0 : nfingers - 1; 4337 mask = (1 << (id + 1)) - 1; 4338 4339 if (nfingers == 0) 4340 break; 4341 4342 fn = ELANTECH_FINGER_SET_XYP(pb); 4343 fn.w = ((pb->ipacket[0] & 0x30) >> 2) | 4344 ((pb->ipacket[3] & 0x30) >> 4); 4345 4346 /* 4347 * HW v3 dont report exact finger positions when 3 or more 4348 * fingers are on touchpad. 4349 */ 4350 if (nfingers > 1) 4351 fn.flags = PSM_FINGER_FUZZY; 4352 4353 if (nfingers == 2) { 4354 if (ELANTECH_PKT_IS_V3_HEAD(pb, sc->elanhw.hascrc)) { 4355 sc->elanaction.fingers[0] = fn; 4356 return (0); 4357 } else 4358 f[0] = sc->elanaction.fingers[0]; 4359 } 4360 f[id] = fn; 4361 break; 4362 4363 case ELANTECH_PKT_V4_STATUS: /* HW Version 4. Status packet */ 4364 /* 7 6 5 4 3 2 1 0 (LSB) 4365 * ------------------------------------------- 4366 * ipacket[0]: . . . . 0 1 R L 4367 * ipacket[1]: . . . F4 F3 F2 F1 F0 4368 * ipacket[2]: . . . . . . . . 4369 * ipacket[3]: . . . 1 0 0 0 0 4370 * ipacket[4]: PL . . . . . . . 4371 * ipacket[5]: . . . . . . . . 4372 * ------------------------------------------- 4373 * Fn: finger n is on touchpad 4374 * PL: palm 4375 * HV ver4 sends a status packet to indicate that the numbers 4376 * or identities of the fingers has been changed 4377 */ 4378 4379 mask = pb->ipacket[1] & 0x1f; 4380 nfingers = bitcount(mask); 4381 4382 if (sc->elanaction.mask_v4wait != 0) 4383 VLOG(3, (LOG_DEBUG, "elantech: HW v4 status packet" 4384 " when not all previous head packets received\n")); 4385 4386 /* Bitmap of fingers to receive before gesture processing */ 4387 sc->elanaction.mask_v4wait = mask & ~sc->elanaction.mask; 4388 4389 /* Skip "new finger is on touchpad" packets */ 4390 if (sc->elanaction.mask_v4wait) { 4391 sc->elanaction.mask = mask; 4392 return (0); 4393 } 4394 4395 break; 4396 4397 case ELANTECH_PKT_V4_HEAD: /* HW Version 4. Head packet */ 4398 /* 7 6 5 4 3 2 1 0 (LSB) 4399 * ------------------------------------------- 4400 * ipacket[0]: W3 W2 W1 W0 0 1 R L 4401 * ipacket[1]: P7 P6 P5 P4 X11 X10 X9 X8 4402 * ipacket[2]: X7 X6 X5 X4 X3 X2 X1 X0 4403 * ipacket[3]: ID2 ID1 ID0 1 0 0 0 1 4404 * ipacket[4]: P3 P1 P2 P0 Y11 Y10 Y9 Y8 4405 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4406 * ------------------------------------------- 4407 * ID: finger id 4408 * HW ver 4 sends head packets in two cases: 4409 * 1. One finger touch and movement. 4410 * 2. Next after status packet to tell new finger positions. 4411 */ 4412 mask = sc->elanaction.mask; 4413 nfingers = bitcount(mask); 4414 id = ((pb->ipacket[3] & 0xe0) >> 5) - 1; 4415 fn = ELANTECH_FINGER_SET_XYP(pb); 4416 fn.w =(pb->ipacket[0] & 0xf0) >> 4; 4417 4418 if (id < 0) 4419 return (0); 4420 4421 /* Packet is finger position update. Report it */ 4422 if (sc->elanaction.mask_v4wait == 0) { 4423 if (id < ELANTECH_MAX_FINGERS) 4424 f[id] = fn; 4425 break; 4426 } 4427 4428 /* Remove finger from waiting bitmap and store into context */ 4429 sc->elanaction.mask_v4wait &= ~(1 << id); 4430 if (id < ELANTECH_MAX_FINGERS) 4431 sc->elanaction.fingers[id] = fn; 4432 4433 /* Wait for other fingers if needed */ 4434 if (sc->elanaction.mask_v4wait != 0) 4435 return (0); 4436 4437 /* All new fingers are received. Report them from context */ 4438 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4439 if (sc->elanaction.mask & (1 << id)) 4440 f[id] = sc->elanaction.fingers[id]; 4441 4442 break; 4443 4444 case ELANTECH_PKT_V4_MOTION: /* HW Version 4. Motion packet */ 4445 /* 7 6 5 4 3 2 1 0 (LSB) 4446 * ------------------------------------------- 4447 * ipacket[0]: ID2 ID1 ID0 OF 0 1 R L 4448 * ipacket[1]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4449 * ipacket[2]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4450 * ipacket[3]: ID2 ID1 ID0 1 0 0 1 0 4451 * ipacket[4]: DX7 DX6 DX5 DX4 DX3 DX2 DX1 DX0 4452 * ipacket[5]: DY7 DY6 DY5 DY4 DY3 DY2 DY1 DY0 4453 * ------------------------------------------- 4454 * OF: delta overflows (> 127 or < -128), in this case 4455 * firmware sends us (delta x / 5) and (delta y / 5) 4456 * ID: finger id 4457 * DX: delta x (two's complement) 4458 * XY: delta y (two's complement) 4459 * byte 0 ~ 2 for one finger 4460 * byte 3 ~ 5 for another finger 4461 */ 4462 mask = sc->elanaction.mask; 4463 nfingers = bitcount(mask); 4464 4465 scale = (pb->ipacket[0] & 0x10) ? 5 : 1; 4466 for (i = 0; i <= 3; i += 3) { 4467 id = ((pb->ipacket[i] & 0xe0) >> 5) - 1; 4468 if (id < 0 || id >= ELANTECH_MAX_FINGERS) 4469 continue; 4470 4471 if (PSM_FINGER_IS_SET(sc->elanaction.fingers[id])) { 4472 f[id] = sc->elanaction.fingers[id]; 4473 f[id].x += imax(-f[id].x, 4474 (signed char)pb->ipacket[i+1] * scale); 4475 f[id].y += imax(-f[id].y, 4476 (signed char)pb->ipacket[i+2] * scale); 4477 } else { 4478 VLOG(3, (LOG_DEBUG, "elantech: " 4479 "HW v4 motion packet skipped\n")); 4480 } 4481 } 4482 4483 break; 4484 4485 case ELANTECH_PKT_TRACKPOINT: 4486 /* 7 6 5 4 3 2 1 0 (LSB) 4487 * ------------------------------------------- 4488 * ipacket[0]: 0 0 SX SY 0 M R L 4489 * ipacket[1]: ~SX 0 0 0 0 0 0 0 4490 * ipacket[2]: ~SY 0 0 0 0 0 0 0 4491 * ipacket[3]: 0 0 ~SY ~SX 0 1 1 0 4492 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 4493 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 4494 * ------------------------------------------- 4495 * X and Y are written in two's complement spread 4496 * over 9 bits with SX/SY the relative top bit and 4497 * X7..X0 and Y7..Y0 the lower bits. 4498 */ 4499 *x = (pb->ipacket[0] & 0x20) ? 4500 pb->ipacket[4] - 256 : pb->ipacket[4]; 4501 *y = (pb->ipacket[0] & 0x10) ? 4502 pb->ipacket[5] - 256 : pb->ipacket[5]; 4503 4504 trackpoint_button = 4505 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4506 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0) | 4507 ((pb->ipacket[0] & 0x04) ? MOUSE_BUTTON2DOWN : 0); 4508 #ifdef EVDEV_SUPPORT 4509 evdev_push_rel(sc->evdev_r, REL_X, *x); 4510 evdev_push_rel(sc->evdev_r, REL_Y, -*y); 4511 evdev_push_mouse_btn(sc->evdev_r, trackpoint_button); 4512 evdev_sync(sc->evdev_r); 4513 #endif 4514 ms->button = touchpad_button | trackpoint_button; 4515 return (0); 4516 4517 case ELANTECH_PKT_NOP: 4518 return (0); 4519 4520 default: 4521 return (-1); 4522 } 4523 4524 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 4525 if (PSM_FINGER_IS_SET(f[id])) 4526 VLOG(2, (LOG_DEBUG, "elantech: " 4527 "finger %d: down [%d, %d], %d, %d, %d\n", id + 1, 4528 f[id].x, f[id].y, f[id].p, f[id].w, f[id].flags)); 4529 4530 /* Touchpad button presses */ 4531 if (sc->elanhw.isclickpad) { 4532 touchpad_button = 4533 ((pb->ipacket[0] & 0x03) ? MOUSE_BUTTON1DOWN : 0); 4534 } else { 4535 touchpad_button = 4536 ((pb->ipacket[0] & 0x01) ? MOUSE_BUTTON1DOWN : 0) | 4537 ((pb->ipacket[0] & 0x02) ? MOUSE_BUTTON3DOWN : 0); 4538 } 4539 4540 #ifdef EVDEV_SUPPORT 4541 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE) { 4542 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4543 if (PSM_FINGER_IS_SET(f[id])) { 4544 psm_push_mt_finger(sc, id, &f[id]); 4545 /* Convert touch width to surface units */ 4546 evdev_push_abs(sc->evdev_a, ABS_MT_TOUCH_MAJOR, 4547 f[id].w * sc->elanhw.dptracex); 4548 } 4549 if (sc->elanaction.mask & (1 << id) && 4550 !(mask & (1 << id))) 4551 psm_release_mt_slot(sc->evdev_a, id); 4552 } 4553 evdev_push_key(sc->evdev_a, BTN_TOUCH, nfingers > 0); 4554 evdev_push_nfingers(sc->evdev_a, nfingers); 4555 if (nfingers > 0) { 4556 if (PSM_FINGER_IS_SET(f[0])) 4557 psm_push_st_finger(sc, &f[0]); 4558 } else 4559 evdev_push_abs(sc->evdev_a, ABS_PRESSURE, 0); 4560 evdev_push_mouse_btn(sc->evdev_a, touchpad_button); 4561 evdev_sync(sc->evdev_a); 4562 } 4563 #endif 4564 4565 ms->button = touchpad_button | trackpoint_button; 4566 4567 /* Send finger 1 position to gesture processor */ 4568 if (PSM_FINGER_IS_SET(f[0]) || PSM_FINGER_IS_SET(f[1]) || 4569 nfingers == 0) 4570 psmgestures(sc, &f[0], imin(nfingers, 3), ms); 4571 /* Send fingers positions to movement smoothers */ 4572 for (id = 0; id < PSM_FINGERS; id++) 4573 if (PSM_FINGER_IS_SET(f[id]) || !(mask & (1 << id))) 4574 psmsmoother(sc, &f[id], id, ms, x, y); 4575 4576 /* Store current finger positions in action context */ 4577 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) { 4578 if (PSM_FINGER_IS_SET(f[id])) 4579 sc->elanaction.fingers[id] = f[id]; 4580 if ((sc->elanaction.mask & (1 << id)) && !(mask & (1 << id))) 4581 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 4582 } 4583 sc->elanaction.mask = mask; 4584 4585 /* Palm detection doesn't terminate the current action. */ 4586 if (psmpalmdetect(sc, &f[0], nfingers)) { 4587 *x = *y = *z = 0; 4588 ms->button = ms->obutton; 4589 return (0); 4590 } 4591 4592 /* Use the extra buttons as a scrollwheel */ 4593 if (ms->button & MOUSE_BUTTON4DOWN) 4594 *z = -1; 4595 else if (ms->button & MOUSE_BUTTON5DOWN) 4596 *z = 1; 4597 else if (ms->button & MOUSE_BUTTON6DOWN) 4598 *z = -2; 4599 else if (ms->button & MOUSE_BUTTON7DOWN) 4600 *z = 2; 4601 else 4602 *z = 0; 4603 ms->button &= ~(MOUSE_BUTTON4DOWN | MOUSE_BUTTON5DOWN | 4604 MOUSE_BUTTON6DOWN | MOUSE_BUTTON7DOWN); 4605 4606 return (0); 4607 } 4608 4609 static void 4610 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 4611 int *x, int *y, int *z) 4612 { 4613 static int butmap_versapad[8] = { 4614 0, 4615 MOUSE_BUTTON3DOWN, 4616 0, 4617 MOUSE_BUTTON3DOWN, 4618 MOUSE_BUTTON1DOWN, 4619 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4620 MOUSE_BUTTON1DOWN, 4621 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 4622 }; 4623 int c, x0, y0; 4624 4625 /* VersaPad PS/2 absolute mode message format 4626 * 4627 * [packet1] 7 6 5 4 3 2 1 0(LSB) 4628 * ipacket[0]: 1 1 0 A 1 L T R 4629 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 4630 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 4631 * ipacket[3]: 1 1 1 A 1 L T R 4632 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 4633 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 4634 * 4635 * [note] 4636 * R: right physical mouse button (1=on) 4637 * T: touch pad virtual button (1=tapping) 4638 * L: left physical mouse button (1=on) 4639 * A: position data is valid (1=valid) 4640 * H: horizontal data (12bit signed integer. H11 is sign bit.) 4641 * V: vertical data (12bit signed integer. V11 is sign bit.) 4642 * P: pressure data 4643 * 4644 * Tapping is mapped to MOUSE_BUTTON4. 4645 */ 4646 c = pb->ipacket[0]; 4647 *x = *y = 0; 4648 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 4649 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 4650 if (c & MOUSE_PS2VERSA_IN_USE) { 4651 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 4652 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 4653 if (x0 & 0x800) 4654 x0 -= 0x1000; 4655 if (y0 & 0x800) 4656 y0 -= 0x1000; 4657 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 4658 *x = sc->xold - x0; 4659 *y = y0 - sc->yold; 4660 if (*x < 0) /* XXX */ 4661 ++*x; 4662 else if (*x) 4663 --*x; 4664 if (*y < 0) 4665 ++*y; 4666 else if (*y) 4667 --*y; 4668 } else 4669 sc->flags |= PSM_FLAGS_FINGERDOWN; 4670 sc->xold = x0; 4671 sc->yold = y0; 4672 } else 4673 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 4674 } 4675 4676 static void 4677 psmsoftintridle(void *arg) 4678 { 4679 struct psm_softc *sc = arg; 4680 packetbuf_t *pb; 4681 4682 /* Invoke soft handler only when pqueue is empty. Otherwise it will be 4683 * invoked from psmintr soon with pqueue filled with real data */ 4684 if (sc->pqueue_start == sc->pqueue_end && 4685 sc->idlepacket.inputbytes > 0) { 4686 /* Grow circular queue backwards to avoid race with psmintr */ 4687 if (--sc->pqueue_start < 0) 4688 sc->pqueue_start = PSM_PACKETQUEUE - 1; 4689 4690 pb = &sc->pqueue[sc->pqueue_start]; 4691 memcpy(pb, &sc->idlepacket, sizeof(packetbuf_t)); 4692 VLOG(4, (LOG_DEBUG, 4693 "psmsoftintridle: %02x %02x %02x %02x %02x %02x\n", 4694 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 4695 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 4696 4697 psmsoftintr(arg); 4698 } 4699 } 4700 4701 static void 4702 psmsoftintr(void *arg) 4703 { 4704 /* 4705 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 4706 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 4707 */ 4708 static int butmap[8] = { 4709 0, 4710 MOUSE_BUTTON1DOWN, 4711 MOUSE_BUTTON3DOWN, 4712 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 4713 MOUSE_BUTTON2DOWN, 4714 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 4715 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 4716 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 4717 }; 4718 struct psm_softc *sc = arg; 4719 mousestatus_t ms; 4720 packetbuf_t *pb; 4721 int x, y, z, c, l, s; 4722 4723 getmicrouptime(&sc->lastsoftintr); 4724 4725 s = spltty(); 4726 4727 do { 4728 pb = &sc->pqueue[sc->pqueue_start]; 4729 4730 if (sc->mode.level == PSM_LEVEL_NATIVE) 4731 goto next_native; 4732 4733 c = pb->ipacket[0]; 4734 /* 4735 * A kludge for Kensington device! 4736 * The MSB of the horizontal count appears to be stored in 4737 * a strange place. 4738 */ 4739 if (sc->hw.model == MOUSE_MODEL_THINK) 4740 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 4741 4742 /* ignore the overflow bits... */ 4743 x = (c & MOUSE_PS2_XNEG) ? 4744 pb->ipacket[1] - 256 : pb->ipacket[1]; 4745 y = (c & MOUSE_PS2_YNEG) ? 4746 pb->ipacket[2] - 256 : pb->ipacket[2]; 4747 z = 0; 4748 ms.obutton = sc->button; /* previous button state */ 4749 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 4750 /* `tapping' action */ 4751 if (sc->config & PSM_CONFIG_FORCETAP) 4752 ms.button |= ((c & MOUSE_PS2_TAP)) ? 4753 0 : MOUSE_BUTTON4DOWN; 4754 timevalclear(&sc->idletimeout); 4755 sc->idlepacket.inputbytes = 0; 4756 4757 switch (sc->hw.model) { 4758 4759 case MOUSE_MODEL_EXPLORER: 4760 /* 4761 * b7 b6 b5 b4 b3 b2 b1 b0 4762 * byte 1: oy ox sy sx 1 M R L 4763 * byte 2: x x x x x x x x 4764 * byte 3: y y y y y y y y 4765 * byte 4: * * S2 S1 s d2 d1 d0 4766 * 4767 * L, M, R, S1, S2: left, middle, right and side buttons 4768 * s: wheel data sign bit 4769 * d2-d0: wheel data 4770 */ 4771 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 4772 (pb->ipacket[3] & 0x0f) - 16 : 4773 (pb->ipacket[3] & 0x0f); 4774 ms.button |= 4775 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 4776 MOUSE_BUTTON4DOWN : 0; 4777 ms.button |= 4778 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 4779 MOUSE_BUTTON5DOWN : 0; 4780 break; 4781 4782 case MOUSE_MODEL_INTELLI: 4783 case MOUSE_MODEL_NET: 4784 /* wheel data is in the fourth byte */ 4785 z = (char)pb->ipacket[3]; 4786 /* 4787 * XXX some mice may send 7 when there is no Z movement? */ 4788 if ((z >= 7) || (z <= -7)) 4789 z = 0; 4790 /* some compatible mice have additional buttons */ 4791 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 4792 MOUSE_BUTTON4DOWN : 0; 4793 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 4794 MOUSE_BUTTON5DOWN : 0; 4795 break; 4796 4797 case MOUSE_MODEL_MOUSEMANPLUS: 4798 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 4799 break; 4800 4801 case MOUSE_MODEL_GLIDEPOINT: 4802 /* `tapping' action */ 4803 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 4804 MOUSE_BUTTON4DOWN; 4805 break; 4806 4807 case MOUSE_MODEL_NETSCROLL: 4808 /* 4809 * three additional bytes encode buttons and 4810 * wheel events 4811 */ 4812 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 4813 MOUSE_BUTTON4DOWN : 0; 4814 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 4815 MOUSE_BUTTON5DOWN : 0; 4816 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 4817 pb->ipacket[4] - 256 : pb->ipacket[4]; 4818 break; 4819 4820 case MOUSE_MODEL_THINK: 4821 /* the fourth button state in the first byte */ 4822 ms.button |= (c & MOUSE_PS2_TAP) ? 4823 MOUSE_BUTTON4DOWN : 0; 4824 break; 4825 4826 case MOUSE_MODEL_VERSAPAD: 4827 proc_versapad(sc, pb, &ms, &x, &y, &z); 4828 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 4829 ((y < 0) ? MOUSE_PS2_YNEG : 0); 4830 break; 4831 4832 case MOUSE_MODEL_4D: 4833 /* 4834 * b7 b6 b5 b4 b3 b2 b1 b0 4835 * byte 1: s2 d2 s1 d1 1 M R L 4836 * byte 2: sx x x x x x x x 4837 * byte 3: sy y y y y y y y 4838 * 4839 * s1: wheel 1 direction 4840 * d1: wheel 1 data 4841 * s2: wheel 2 direction 4842 * d2: wheel 2 data 4843 */ 4844 x = (pb->ipacket[1] & 0x80) ? 4845 pb->ipacket[1] - 256 : pb->ipacket[1]; 4846 y = (pb->ipacket[2] & 0x80) ? 4847 pb->ipacket[2] - 256 : pb->ipacket[2]; 4848 switch (c & MOUSE_4D_WHEELBITS) { 4849 case 0x10: 4850 z = 1; 4851 break; 4852 case 0x30: 4853 z = -1; 4854 break; 4855 case 0x40: /* XXX 2nd wheel turning right */ 4856 z = 2; 4857 break; 4858 case 0xc0: /* XXX 2nd wheel turning left */ 4859 z = -2; 4860 break; 4861 } 4862 break; 4863 4864 case MOUSE_MODEL_4DPLUS: 4865 if ((x < 16 - 256) && (y < 16 - 256)) { 4866 /* 4867 * b7 b6 b5 b4 b3 b2 b1 b0 4868 * byte 1: 0 0 1 1 1 M R L 4869 * byte 2: 0 0 0 0 1 0 0 0 4870 * byte 3: 0 0 0 0 S s d1 d0 4871 * 4872 * L, M, R, S: left, middle, right, 4873 * and side buttons 4874 * s: wheel data sign bit 4875 * d1-d0: wheel data 4876 */ 4877 x = y = 0; 4878 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 4879 ms.button |= MOUSE_BUTTON4DOWN; 4880 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 4881 ((pb->ipacket[2] & 0x07) - 8) : 4882 (pb->ipacket[2] & 0x07) ; 4883 } else { 4884 /* preserve previous button states */ 4885 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 4886 } 4887 break; 4888 4889 case MOUSE_MODEL_SYNAPTICS: 4890 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 4891 goto next; 4892 break; 4893 4894 case MOUSE_MODEL_ELANTECH: 4895 if (proc_elantech(sc, pb, &ms, &x, &y, &z) != 0) 4896 goto next; 4897 break; 4898 4899 case MOUSE_MODEL_TRACKPOINT: 4900 case MOUSE_MODEL_GENERIC: 4901 default: 4902 break; 4903 } 4904 4905 #ifdef EVDEV_SUPPORT 4906 if (evdev_rcpt_mask & EVDEV_RCPT_HW_MOUSE && 4907 sc->hw.model != MOUSE_MODEL_ELANTECH && 4908 sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 4909 evdev_push_rel(sc->evdev_r, EV_REL, x); 4910 evdev_push_rel(sc->evdev_r, EV_REL, -y); 4911 4912 switch (sc->hw.model) { 4913 case MOUSE_MODEL_EXPLORER: 4914 case MOUSE_MODEL_INTELLI: 4915 case MOUSE_MODEL_NET: 4916 case MOUSE_MODEL_NETSCROLL: 4917 case MOUSE_MODEL_4DPLUS: 4918 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 4919 break; 4920 case MOUSE_MODEL_MOUSEMANPLUS: 4921 case MOUSE_MODEL_4D: 4922 switch (z) { 4923 case 1: 4924 case -1: 4925 evdev_push_rel(sc->evdev_r, REL_WHEEL, -z); 4926 break; 4927 case 2: 4928 case -2: 4929 evdev_push_rel(sc->evdev_r, REL_HWHEEL, z / 2); 4930 break; 4931 } 4932 break; 4933 } 4934 4935 evdev_push_mouse_btn(sc->evdev_r, ms.button); 4936 evdev_sync(sc->evdev_r); 4937 } 4938 #endif 4939 4940 /* scale values */ 4941 if (sc->mode.accelfactor >= 1) { 4942 if (x != 0) { 4943 x = x * x / sc->mode.accelfactor; 4944 if (x == 0) 4945 x = 1; 4946 if (c & MOUSE_PS2_XNEG) 4947 x = -x; 4948 } 4949 if (y != 0) { 4950 y = y * y / sc->mode.accelfactor; 4951 if (y == 0) 4952 y = 1; 4953 if (c & MOUSE_PS2_YNEG) 4954 y = -y; 4955 } 4956 } 4957 4958 /* Store last packet for reinjection if it has not been set already */ 4959 if (timevalisset(&sc->idletimeout) && sc->idlepacket.inputbytes == 0) 4960 sc->idlepacket = *pb; 4961 4962 ms.dx = x; 4963 ms.dy = y; 4964 ms.dz = z; 4965 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 4966 (ms.obutton ^ ms.button); 4967 4968 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 4969 4970 sc->status.flags |= ms.flags; 4971 sc->status.dx += ms.dx; 4972 sc->status.dy += ms.dy; 4973 sc->status.dz += ms.dz; 4974 sc->status.button = ms.button; 4975 sc->button = ms.button; 4976 4977 next_native: 4978 sc->watchdog = FALSE; 4979 4980 /* queue data */ 4981 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 4982 l = imin(pb->inputbytes, 4983 sizeof(sc->queue.buf) - sc->queue.tail); 4984 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 4985 if (pb->inputbytes > l) 4986 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 4987 pb->inputbytes - l); 4988 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 4989 sizeof(sc->queue.buf); 4990 sc->queue.count += pb->inputbytes; 4991 } 4992 pb->inputbytes = 0; 4993 4994 next: 4995 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 4996 sc->pqueue_start = 0; 4997 } while (sc->pqueue_start != sc->pqueue_end); 4998 4999 if (sc->state & PSM_ASLP) { 5000 sc->state &= ~PSM_ASLP; 5001 wakeup(sc); 5002 } 5003 selwakeuppri(&sc->rsel, PZERO); 5004 if (sc->async != NULL) { 5005 pgsigio(&sc->async, SIGIO, 0); 5006 } 5007 sc->state &= ~PSM_SOFTARMED; 5008 5009 /* schedule injection of predefined packet after idletimeout 5010 * if no data packets have been received from psmintr */ 5011 if (timevalisset(&sc->idletimeout)) { 5012 sc->state |= PSM_SOFTARMED; 5013 callout_reset(&sc->softcallout, tvtohz(&sc->idletimeout), 5014 psmsoftintridle, sc); 5015 VLOG(2, (LOG_DEBUG, "softintr: callout set: %d ticks\n", 5016 tvtohz(&sc->idletimeout))); 5017 } 5018 splx(s); 5019 } 5020 5021 static int 5022 psmpoll(struct cdev *dev, int events, struct thread *td) 5023 { 5024 struct psm_softc *sc = dev->si_drv1; 5025 int s; 5026 int revents = 0; 5027 5028 /* Return true if a mouse event available */ 5029 s = spltty(); 5030 if (events & (POLLIN | POLLRDNORM)) { 5031 if (sc->queue.count > 0) 5032 revents |= events & (POLLIN | POLLRDNORM); 5033 else 5034 selrecord(td, &sc->rsel); 5035 } 5036 splx(s); 5037 5038 return (revents); 5039 } 5040 5041 /* vendor/model specific routines */ 5042 5043 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 5044 { 5045 if (set_mouse_resolution(kbdc, res) != res) 5046 return (FALSE); 5047 if (set_mouse_scaling(kbdc, scale) && 5048 set_mouse_scaling(kbdc, scale) && 5049 set_mouse_scaling(kbdc, scale) && 5050 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 5051 return (TRUE); 5052 return (FALSE); 5053 } 5054 5055 static int 5056 mouse_ext_command(KBDC kbdc, int command) 5057 { 5058 int c; 5059 5060 c = (command >> 6) & 0x03; 5061 if (set_mouse_resolution(kbdc, c) != c) 5062 return (FALSE); 5063 c = (command >> 4) & 0x03; 5064 if (set_mouse_resolution(kbdc, c) != c) 5065 return (FALSE); 5066 c = (command >> 2) & 0x03; 5067 if (set_mouse_resolution(kbdc, c) != c) 5068 return (FALSE); 5069 c = (command >> 0) & 0x03; 5070 if (set_mouse_resolution(kbdc, c) != c) 5071 return (FALSE); 5072 return (TRUE); 5073 } 5074 5075 #ifdef notyet 5076 /* Logitech MouseMan Cordless II */ 5077 static int 5078 enable_lcordless(struct psm_softc *sc, enum probearg arg) 5079 { 5080 KBDC kbdc = sc->kbdc; 5081 int status[3]; 5082 int ch; 5083 5084 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 5085 return (FALSE); 5086 if (status[1] == PSMD_RES_HIGH) 5087 return (FALSE); 5088 ch = (status[0] & 0x07) - 1; /* channel # */ 5089 if ((ch <= 0) || (ch > 4)) 5090 return (FALSE); 5091 /* 5092 * status[1]: always one? 5093 * status[2]: battery status? (0-100) 5094 */ 5095 return (TRUE); 5096 } 5097 #endif /* notyet */ 5098 5099 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 5100 static int 5101 enable_groller(struct psm_softc *sc, enum probearg arg) 5102 { 5103 KBDC kbdc = sc->kbdc; 5104 int status[3]; 5105 5106 /* 5107 * The special sequence to enable the fourth button and the 5108 * roller. Immediately after this sequence check status bytes. 5109 * if the mouse is NetScroll, the second and the third bytes are 5110 * '3' and 'D'. 5111 */ 5112 5113 /* 5114 * If the mouse is an ordinary PS/2 mouse, the status bytes should 5115 * look like the following. 5116 * 5117 * byte 1 bit 7 always 0 5118 * bit 6 stream mode (0) 5119 * bit 5 disabled (0) 5120 * bit 4 1:1 scaling (0) 5121 * bit 3 always 0 5122 * bit 0-2 button status 5123 * byte 2 resolution (PSMD_RES_HIGH) 5124 * byte 3 report rate (?) 5125 */ 5126 5127 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5128 return (FALSE); 5129 if ((status[1] != '3') || (status[2] != 'D')) 5130 return (FALSE); 5131 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 5132 if (arg == PROBE) 5133 sc->hw.buttons = 4; 5134 return (TRUE); 5135 } 5136 5137 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 5138 static int 5139 enable_gmouse(struct psm_softc *sc, enum probearg arg) 5140 { 5141 KBDC kbdc = sc->kbdc; 5142 int status[3]; 5143 5144 /* 5145 * The special sequence to enable the middle, "rubber" button. 5146 * Immediately after this sequence check status bytes. 5147 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 5148 * the second and the third bytes are '3' and 'U'. 5149 * NOTE: NetMouse reports that it has three buttons although it has 5150 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 5151 * say they have three buttons too and they do have a button on the 5152 * side... 5153 */ 5154 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 5155 return (FALSE); 5156 if ((status[1] != '3') || (status[2] != 'U')) 5157 return (FALSE); 5158 return (TRUE); 5159 } 5160 5161 /* ALPS GlidePoint */ 5162 static int 5163 enable_aglide(struct psm_softc *sc, enum probearg arg) 5164 { 5165 KBDC kbdc = sc->kbdc; 5166 int status[3]; 5167 5168 /* 5169 * The special sequence to obtain ALPS GlidePoint specific 5170 * information. Immediately after this sequence, status bytes will 5171 * contain something interesting. 5172 * NOTE: ALPS produces several models of GlidePoint. Some of those 5173 * do not respond to this sequence, thus, cannot be detected this way. 5174 */ 5175 if (set_mouse_sampling_rate(kbdc, 100) != 100) 5176 return (FALSE); 5177 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 5178 return (FALSE); 5179 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 5180 return (FALSE); 5181 return (TRUE); 5182 } 5183 5184 /* Kensington ThinkingMouse/Trackball */ 5185 static int 5186 enable_kmouse(struct psm_softc *sc, enum probearg arg) 5187 { 5188 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 5189 KBDC kbdc = sc->kbdc; 5190 int status[3]; 5191 int id1; 5192 int id2; 5193 int i; 5194 5195 id1 = get_aux_id(kbdc); 5196 if (set_mouse_sampling_rate(kbdc, 10) != 10) 5197 return (FALSE); 5198 /* 5199 * The device is now in the native mode? It returns a different 5200 * ID value... 5201 */ 5202 id2 = get_aux_id(kbdc); 5203 if ((id1 == id2) || (id2 != 2)) 5204 return (FALSE); 5205 5206 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 5207 return (FALSE); 5208 #if PSM_DEBUG >= 2 5209 /* at this point, resolution is LOW, sampling rate is 10/sec */ 5210 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5211 return (FALSE); 5212 #endif 5213 5214 /* 5215 * The special sequence to enable the third and fourth buttons. 5216 * Otherwise they behave like the first and second buttons. 5217 */ 5218 for (i = 0; i < nitems(rate); ++i) 5219 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5220 return (FALSE); 5221 5222 /* 5223 * At this point, the device is using default resolution and 5224 * sampling rate for the native mode. 5225 */ 5226 if (get_mouse_status(kbdc, status, 0, 3) < 3) 5227 return (FALSE); 5228 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 5229 return (FALSE); 5230 5231 /* the device appears be enabled by this sequence, diable it for now */ 5232 disable_aux_dev(kbdc); 5233 empty_aux_buffer(kbdc, 5); 5234 5235 return (TRUE); 5236 } 5237 5238 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 5239 static int 5240 enable_mmanplus(struct psm_softc *sc, enum probearg arg) 5241 { 5242 KBDC kbdc = sc->kbdc; 5243 int data[3]; 5244 5245 /* the special sequence to enable the fourth button and the roller. */ 5246 /* 5247 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 5248 * must be called exactly three times since the last RESET command 5249 * before this sequence. XXX 5250 */ 5251 if (!set_mouse_scaling(kbdc, 1)) 5252 return (FALSE); 5253 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 5254 return (FALSE); 5255 if (get_mouse_status(kbdc, data, 1, 3) < 3) 5256 return (FALSE); 5257 5258 /* 5259 * PS2++ protocol, packet type 0 5260 * 5261 * b7 b6 b5 b4 b3 b2 b1 b0 5262 * byte 1: * 1 p3 p2 1 * * * 5263 * byte 2: 1 1 p1 p0 m1 m0 1 0 5264 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 5265 * 5266 * p3-p0: packet type: 0 5267 * m7-m0: model ID: MouseMan+:0x50, 5268 * FirstMouse+:0x51, 5269 * ScrollPoint:0x58... 5270 */ 5271 /* check constant bits */ 5272 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 5273 return (FALSE); 5274 if ((data[1] & 0xc3) != 0xc2) 5275 return (FALSE); 5276 /* check d3-d0 in byte 2 */ 5277 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 5278 return (FALSE); 5279 /* check p3-p0 */ 5280 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 5281 return (FALSE); 5282 5283 if (arg == PROBE) { 5284 sc->hw.hwid &= 0x00ff; 5285 sc->hw.hwid |= data[2] << 8; /* save model ID */ 5286 } 5287 5288 /* 5289 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 5290 * the wheel and the fourth button events are encoded in the 5291 * special data packet. The mouse may be put in the IntelliMouse mode 5292 * if it is initialized by the IntelliMouse's method. 5293 */ 5294 return (TRUE); 5295 } 5296 5297 /* MS IntelliMouse Explorer */ 5298 static int 5299 enable_msexplorer(struct psm_softc *sc, enum probearg arg) 5300 { 5301 KBDC kbdc = sc->kbdc; 5302 static u_char rate0[] = { 200, 100, 80, }; 5303 static u_char rate1[] = { 200, 200, 80, }; 5304 int id; 5305 int i; 5306 5307 /* 5308 * This is needed for at least A4Tech X-7xx mice - they do not go 5309 * straight to Explorer mode, but need to be set to Intelli mode 5310 * first. 5311 */ 5312 enable_msintelli(sc, arg); 5313 5314 /* the special sequence to enable the extra buttons and the roller. */ 5315 for (i = 0; i < nitems(rate1); ++i) 5316 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 5317 return (FALSE); 5318 /* the device will give the genuine ID only after the above sequence */ 5319 id = get_aux_id(kbdc); 5320 if (id != PSM_EXPLORER_ID) 5321 return (FALSE); 5322 5323 if (arg == PROBE) { 5324 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 5325 sc->hw.hwid = id; 5326 } 5327 5328 /* 5329 * XXX: this is a kludge to fool some KVM switch products 5330 * which think they are clever enough to know the 4-byte IntelliMouse 5331 * protocol, and assume any other protocols use 3-byte packets. 5332 * They don't convey 4-byte data packets from the IntelliMouse Explorer 5333 * correctly to the host computer because of this! 5334 * The following sequence is actually IntelliMouse's "wake up" 5335 * sequence; it will make the KVM think the mouse is IntelliMouse 5336 * when it is in fact IntelliMouse Explorer. 5337 */ 5338 for (i = 0; i < nitems(rate0); ++i) 5339 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 5340 break; 5341 get_aux_id(kbdc); 5342 5343 return (TRUE); 5344 } 5345 5346 /* 5347 * MS IntelliMouse 5348 * Logitech MouseMan+ and FirstMouse+ will also respond to this 5349 * probe routine and act like IntelliMouse. 5350 */ 5351 static int 5352 enable_msintelli(struct psm_softc *sc, enum probearg arg) 5353 { 5354 KBDC kbdc = sc->kbdc; 5355 static u_char rate[] = { 200, 100, 80, }; 5356 int id; 5357 int i; 5358 5359 /* the special sequence to enable the third button and the roller. */ 5360 for (i = 0; i < nitems(rate); ++i) 5361 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5362 return (FALSE); 5363 /* the device will give the genuine ID only after the above sequence */ 5364 id = get_aux_id(kbdc); 5365 if (id != PSM_INTELLI_ID) 5366 return (FALSE); 5367 5368 if (arg == PROBE) { 5369 sc->hw.buttons = 3; 5370 sc->hw.hwid = id; 5371 } 5372 5373 return (TRUE); 5374 } 5375 5376 /* 5377 * A4 Tech 4D Mouse 5378 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 5379 */ 5380 static int 5381 enable_4dmouse(struct psm_softc *sc, enum probearg arg) 5382 { 5383 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5384 KBDC kbdc = sc->kbdc; 5385 int id; 5386 int i; 5387 5388 for (i = 0; i < nitems(rate); ++i) 5389 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5390 return (FALSE); 5391 id = get_aux_id(kbdc); 5392 /* 5393 * WinEasy 4D, 4 Way Scroll 4D: 6 5394 * Cable-Free 4D: 8 (4DPLUS) 5395 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 5396 */ 5397 if (id != PSM_4DMOUSE_ID) 5398 return (FALSE); 5399 5400 if (arg == PROBE) { 5401 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 5402 sc->hw.hwid = id; 5403 } 5404 5405 return (TRUE); 5406 } 5407 5408 /* 5409 * A4 Tech 4D+ Mouse 5410 * Newer wheel mice from A4 Tech seem to use this protocol. 5411 * Older models are recognized as either 4D Mouse or IntelliMouse. 5412 */ 5413 static int 5414 enable_4dplus(struct psm_softc *sc, enum probearg arg) 5415 { 5416 KBDC kbdc = sc->kbdc; 5417 int id; 5418 5419 /* 5420 * enable_4dmouse() already issued the following ID sequence... 5421 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 5422 int i; 5423 5424 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 5425 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 5426 return (FALSE); 5427 */ 5428 5429 id = get_aux_id(kbdc); 5430 switch (id) { 5431 case PSM_4DPLUS_ID: 5432 break; 5433 case PSM_4DPLUS_RFSW35_ID: 5434 break; 5435 default: 5436 return (FALSE); 5437 } 5438 5439 if (arg == PROBE) { 5440 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 5441 sc->hw.hwid = id; 5442 } 5443 5444 return (TRUE); 5445 } 5446 5447 /* Synaptics Touchpad */ 5448 static int 5449 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 5450 { 5451 struct psm_softc *sc; 5452 int error, arg; 5453 5454 if (oidp->oid_arg1 == NULL || oidp->oid_arg2 < 0 || 5455 oidp->oid_arg2 > SYNAPTICS_SYSCTL_SOFTBUTTON3_X) 5456 return (EINVAL); 5457 5458 sc = oidp->oid_arg1; 5459 5460 /* Read the current value. */ 5461 arg = *(int *)((char *)sc + oidp->oid_arg2); 5462 error = sysctl_handle_int(oidp, &arg, 0, req); 5463 5464 /* Sanity check. */ 5465 if (error || !req->newptr) 5466 return (error); 5467 5468 /* 5469 * Check that the new value is in the concerned node's range 5470 * of values. 5471 */ 5472 switch (oidp->oid_arg2) { 5473 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 5474 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 5475 if (arg < 0 || arg > 255) 5476 return (EINVAL); 5477 break; 5478 case SYNAPTICS_SYSCTL_MAX_WIDTH: 5479 if (arg < 4 || arg > 15) 5480 return (EINVAL); 5481 break; 5482 case SYNAPTICS_SYSCTL_MARGIN_TOP: 5483 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 5484 case SYNAPTICS_SYSCTL_NA_TOP: 5485 case SYNAPTICS_SYSCTL_NA_BOTTOM: 5486 if (arg < 0 || arg > sc->synhw.maximumYCoord) 5487 return (EINVAL); 5488 break; 5489 case SYNAPTICS_SYSCTL_SOFTBUTTON2_X: 5490 case SYNAPTICS_SYSCTL_SOFTBUTTON3_X: 5491 /* Softbuttons is clickpad only feature */ 5492 if (!sc->synhw.capClickPad && arg != 0) 5493 return (EINVAL); 5494 /* FALLTHROUGH */ 5495 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 5496 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 5497 case SYNAPTICS_SYSCTL_NA_RIGHT: 5498 case SYNAPTICS_SYSCTL_NA_LEFT: 5499 if (arg < 0 || arg > sc->synhw.maximumXCoord) 5500 return (EINVAL); 5501 break; 5502 case SYNAPTICS_SYSCTL_WINDOW_MIN: 5503 case SYNAPTICS_SYSCTL_WINDOW_MAX: 5504 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 5505 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 5506 return (EINVAL); 5507 break; 5508 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 5509 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 5510 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 5511 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 5512 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 5513 case SYNAPTICS_SYSCTL_DIV_MIN: 5514 case SYNAPTICS_SYSCTL_DIV_MAX: 5515 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 5516 case SYNAPTICS_SYSCTL_DIV_LEN: 5517 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 5518 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 5519 if (arg < 1) 5520 return (EINVAL); 5521 break; 5522 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 5523 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 5524 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 5525 if (arg < 0) 5526 return (EINVAL); 5527 break; 5528 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 5529 if (arg < -sc->synhw.maximumXCoord || 5530 arg > sc->synhw.maximumXCoord) 5531 return (EINVAL); 5532 break; 5533 case SYNAPTICS_SYSCTL_SOFTBUTTONS_Y: 5534 /* Softbuttons is clickpad only feature */ 5535 if (!sc->synhw.capClickPad && arg != 0) 5536 return (EINVAL); 5537 /* FALLTHROUGH */ 5538 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 5539 if (arg < -sc->synhw.maximumYCoord || 5540 arg > sc->synhw.maximumYCoord) 5541 return (EINVAL); 5542 break; 5543 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 5544 if (arg < 0 || arg > 1) 5545 return (EINVAL); 5546 break; 5547 default: 5548 return (EINVAL); 5549 } 5550 5551 /* Update. */ 5552 *(int *)((char *)sc + oidp->oid_arg2) = arg; 5553 5554 return (error); 5555 } 5556 5557 static void 5558 synaptics_sysctl_create_softbuttons_tree(struct psm_softc *sc) 5559 { 5560 /* 5561 * Set predefined sizes for softbuttons. 5562 * Values are taken to match HP Pavilion dv6 clickpad drawings 5563 * with thin middle softbutton placed on separator 5564 */ 5565 5566 /* hw.psm.synaptics.softbuttons_y */ 5567 sc->syninfo.softbuttons_y = 1700; 5568 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5569 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5570 "softbuttons_y", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5571 sc, SYNAPTICS_SYSCTL_SOFTBUTTONS_Y, 5572 synaptics_sysctl, "I", 5573 "Vertical size of softbuttons area"); 5574 5575 /* hw.psm.synaptics.softbutton2_x */ 5576 sc->syninfo.softbutton2_x = 3100; 5577 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5578 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5579 "softbutton2_x", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5580 sc, SYNAPTICS_SYSCTL_SOFTBUTTON2_X, 5581 synaptics_sysctl, "I", 5582 "Horisontal position of 2-nd softbutton left edge (0-disable)"); 5583 5584 /* hw.psm.synaptics.softbutton3_x */ 5585 sc->syninfo.softbutton3_x = 3900; 5586 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5587 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5588 "softbutton3_x", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5589 sc, SYNAPTICS_SYSCTL_SOFTBUTTON3_X, 5590 synaptics_sysctl, "I", 5591 "Horisontal position of 3-rd softbutton left edge (0-disable)"); 5592 } 5593 5594 static void 5595 synaptics_sysctl_create_tree(struct psm_softc *sc, const char *name, 5596 const char *descr) 5597 { 5598 5599 if (sc->syninfo.sysctl_tree != NULL) 5600 return; 5601 5602 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 5603 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 5604 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 5605 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, name, CTLFLAG_RD, 5606 0, descr); 5607 5608 /* hw.psm.synaptics.directional_scrolls. */ 5609 sc->syninfo.directional_scrolls = 0; 5610 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5611 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5612 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 5613 &sc->syninfo.directional_scrolls, 0, 5614 "Enable hardware scrolling pad (if non-zero) or register it as " 5615 "extended buttons (if 0)"); 5616 5617 /* hw.psm.synaptics.max_x. */ 5618 sc->syninfo.max_x = 6143; 5619 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5620 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5621 "max_x", CTLFLAG_RD|CTLFLAG_ANYBODY, 5622 &sc->syninfo.max_x, 0, 5623 "Horizontal reporting range"); 5624 5625 /* hw.psm.synaptics.max_y. */ 5626 sc->syninfo.max_y = 6143; 5627 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5628 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5629 "max_y", CTLFLAG_RD|CTLFLAG_ANYBODY, 5630 &sc->syninfo.max_y, 0, 5631 "Vertical reporting range"); 5632 5633 /* 5634 * Turn off two finger scroll if we have a 5635 * physical area reserved for scrolling or when 5636 * there's no multi finger support. 5637 */ 5638 if (sc->synhw.verticalScroll || (sc->synhw.capMultiFinger == 0 && 5639 sc->synhw.capAdvancedGestures == 0)) 5640 sc->syninfo.two_finger_scroll = 0; 5641 else 5642 sc->syninfo.two_finger_scroll = 1; 5643 /* hw.psm.synaptics.two_finger_scroll. */ 5644 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 5645 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5646 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 5647 &sc->syninfo.two_finger_scroll, 0, 5648 "Enable two finger scrolling"); 5649 5650 /* hw.psm.synaptics.min_pressure. */ 5651 sc->syninfo.min_pressure = 32; 5652 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5653 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5654 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5655 sc, SYNAPTICS_SYSCTL_MIN_PRESSURE, 5656 synaptics_sysctl, "I", 5657 "Minimum pressure required to start an action"); 5658 5659 /* hw.psm.synaptics.max_pressure. */ 5660 sc->syninfo.max_pressure = 220; 5661 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5662 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5663 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5664 sc, SYNAPTICS_SYSCTL_MAX_PRESSURE, 5665 synaptics_sysctl, "I", 5666 "Maximum pressure to detect palm"); 5667 5668 /* hw.psm.synaptics.max_width. */ 5669 sc->syninfo.max_width = 10; 5670 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5671 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5672 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5673 sc, SYNAPTICS_SYSCTL_MAX_WIDTH, 5674 synaptics_sysctl, "I", 5675 "Maximum finger width to detect palm"); 5676 5677 /* hw.psm.synaptics.top_margin. */ 5678 sc->syninfo.margin_top = 200; 5679 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5680 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5681 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5682 sc, SYNAPTICS_SYSCTL_MARGIN_TOP, 5683 synaptics_sysctl, "I", 5684 "Top margin"); 5685 5686 /* hw.psm.synaptics.right_margin. */ 5687 sc->syninfo.margin_right = 200; 5688 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5689 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5690 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5691 sc, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 5692 synaptics_sysctl, "I", 5693 "Right margin"); 5694 5695 /* hw.psm.synaptics.bottom_margin. */ 5696 sc->syninfo.margin_bottom = 200; 5697 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5698 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5699 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5700 sc, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 5701 synaptics_sysctl, "I", 5702 "Bottom margin"); 5703 5704 /* hw.psm.synaptics.left_margin. */ 5705 sc->syninfo.margin_left = 200; 5706 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5707 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5708 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5709 sc, SYNAPTICS_SYSCTL_MARGIN_LEFT, 5710 synaptics_sysctl, "I", 5711 "Left margin"); 5712 5713 /* hw.psm.synaptics.na_top. */ 5714 sc->syninfo.na_top = 1783; 5715 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5716 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5717 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5718 sc, SYNAPTICS_SYSCTL_NA_TOP, 5719 synaptics_sysctl, "I", 5720 "Top noisy area, where weight_previous_na is used instead " 5721 "of weight_previous"); 5722 5723 /* hw.psm.synaptics.na_right. */ 5724 sc->syninfo.na_right = 563; 5725 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5726 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5727 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5728 sc, SYNAPTICS_SYSCTL_NA_RIGHT, 5729 synaptics_sysctl, "I", 5730 "Right noisy area, where weight_previous_na is used instead " 5731 "of weight_previous"); 5732 5733 /* hw.psm.synaptics.na_bottom. */ 5734 sc->syninfo.na_bottom = 1408; 5735 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5736 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5737 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5738 sc, SYNAPTICS_SYSCTL_NA_BOTTOM, 5739 synaptics_sysctl, "I", 5740 "Bottom noisy area, where weight_previous_na is used instead " 5741 "of weight_previous"); 5742 5743 /* hw.psm.synaptics.na_left. */ 5744 sc->syninfo.na_left = 1600; 5745 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5746 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5747 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5748 sc, SYNAPTICS_SYSCTL_NA_LEFT, 5749 synaptics_sysctl, "I", 5750 "Left noisy area, where weight_previous_na is used instead " 5751 "of weight_previous"); 5752 5753 /* hw.psm.synaptics.window_min. */ 5754 sc->syninfo.window_min = 4; 5755 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5756 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5757 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5758 sc, SYNAPTICS_SYSCTL_WINDOW_MIN, 5759 synaptics_sysctl, "I", 5760 "Minimum window size to start an action"); 5761 5762 /* hw.psm.synaptics.window_max. */ 5763 sc->syninfo.window_max = 10; 5764 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5765 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5766 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5767 sc, SYNAPTICS_SYSCTL_WINDOW_MAX, 5768 synaptics_sysctl, "I", 5769 "Maximum window size"); 5770 5771 /* hw.psm.synaptics.multiplicator. */ 5772 sc->syninfo.multiplicator = 10000; 5773 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5774 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5775 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5776 sc, SYNAPTICS_SYSCTL_MULTIPLICATOR, 5777 synaptics_sysctl, "I", 5778 "Multiplicator to increase precision in averages and divisions"); 5779 5780 /* hw.psm.synaptics.weight_current. */ 5781 sc->syninfo.weight_current = 3; 5782 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5783 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5784 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5785 sc, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 5786 synaptics_sysctl, "I", 5787 "Weight of the current movement in the new average"); 5788 5789 /* hw.psm.synaptics.weight_previous. */ 5790 sc->syninfo.weight_previous = 6; 5791 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5792 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5793 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5794 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 5795 synaptics_sysctl, "I", 5796 "Weight of the previous average"); 5797 5798 /* hw.psm.synaptics.weight_previous_na. */ 5799 sc->syninfo.weight_previous_na = 20; 5800 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5801 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5802 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5803 sc, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 5804 synaptics_sysctl, "I", 5805 "Weight of the previous average (inside the noisy area)"); 5806 5807 /* hw.psm.synaptics.weight_len_squared. */ 5808 sc->syninfo.weight_len_squared = 2000; 5809 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5810 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5811 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5812 sc, SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 5813 synaptics_sysctl, "I", 5814 "Length (squared) of segments where weight_previous " 5815 "starts to decrease"); 5816 5817 /* hw.psm.synaptics.div_min. */ 5818 sc->syninfo.div_min = 9; 5819 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5820 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5821 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5822 sc, SYNAPTICS_SYSCTL_DIV_MIN, 5823 synaptics_sysctl, "I", 5824 "Divisor for fast movements"); 5825 5826 /* hw.psm.synaptics.div_max. */ 5827 sc->syninfo.div_max = 17; 5828 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5829 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5830 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5831 sc, SYNAPTICS_SYSCTL_DIV_MAX, 5832 synaptics_sysctl, "I", 5833 "Divisor for slow movements"); 5834 5835 /* hw.psm.synaptics.div_max_na. */ 5836 sc->syninfo.div_max_na = 30; 5837 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5838 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5839 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5840 sc, SYNAPTICS_SYSCTL_DIV_MAX_NA, 5841 synaptics_sysctl, "I", 5842 "Divisor with slow movements (inside the noisy area)"); 5843 5844 /* hw.psm.synaptics.div_len. */ 5845 sc->syninfo.div_len = 100; 5846 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5847 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5848 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5849 sc, SYNAPTICS_SYSCTL_DIV_LEN, 5850 synaptics_sysctl, "I", 5851 "Length of segments where div_max starts to decrease"); 5852 5853 /* hw.psm.synaptics.tap_max_delta. */ 5854 sc->syninfo.tap_max_delta = 80; 5855 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5856 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5857 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5858 sc, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 5859 synaptics_sysctl, "I", 5860 "Length of segments above which a tap is ignored"); 5861 5862 /* hw.psm.synaptics.tap_min_queue. */ 5863 sc->syninfo.tap_min_queue = 2; 5864 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5865 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5866 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5867 sc, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 5868 synaptics_sysctl, "I", 5869 "Number of packets required to consider a tap"); 5870 5871 /* hw.psm.synaptics.taphold_timeout. */ 5872 sc->gesture.in_taphold = 0; 5873 sc->syninfo.taphold_timeout = tap_timeout; 5874 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5875 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5876 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5877 sc, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 5878 synaptics_sysctl, "I", 5879 "Maximum elapsed time between two taps to consider a tap-hold " 5880 "action"); 5881 5882 /* hw.psm.synaptics.vscroll_hor_area. */ 5883 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 5884 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5885 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5886 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5887 sc, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 5888 synaptics_sysctl, "I", 5889 "Area reserved for horizontal virtual scrolling"); 5890 5891 /* hw.psm.synaptics.vscroll_ver_area. */ 5892 sc->syninfo.vscroll_ver_area = -400 - sc->syninfo.margin_right; 5893 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5894 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5895 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5896 sc, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 5897 synaptics_sysctl, "I", 5898 "Area reserved for vertical virtual scrolling"); 5899 5900 /* hw.psm.synaptics.vscroll_min_delta. */ 5901 sc->syninfo.vscroll_min_delta = 50; 5902 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5903 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5904 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5905 sc, SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 5906 synaptics_sysctl, "I", 5907 "Minimum movement to consider virtual scrolling"); 5908 5909 /* hw.psm.synaptics.vscroll_div_min. */ 5910 sc->syninfo.vscroll_div_min = 100; 5911 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5912 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5913 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5914 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 5915 synaptics_sysctl, "I", 5916 "Divisor for fast scrolling"); 5917 5918 /* hw.psm.synaptics.vscroll_div_min. */ 5919 sc->syninfo.vscroll_div_max = 150; 5920 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5921 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5922 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5923 sc, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 5924 synaptics_sysctl, "I", 5925 "Divisor for slow scrolling"); 5926 5927 /* hw.psm.synaptics.touchpad_off. */ 5928 sc->syninfo.touchpad_off = 0; 5929 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 5930 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 5931 "touchpad_off", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 5932 sc, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 5933 synaptics_sysctl, "I", 5934 "Turn off touchpad"); 5935 5936 sc->syninfo.softbuttons_y = 0; 5937 sc->syninfo.softbutton2_x = 0; 5938 sc->syninfo.softbutton3_x = 0; 5939 5940 /* skip softbuttons sysctl on not clickpads */ 5941 if (sc->synhw.capClickPad) 5942 synaptics_sysctl_create_softbuttons_tree(sc); 5943 } 5944 5945 static int 5946 synaptics_preferred_mode(struct psm_softc *sc) { 5947 int mode_byte; 5948 5949 /* Check if we are in relative mode */ 5950 if (sc->hw.model != MOUSE_MODEL_SYNAPTICS) { 5951 if (tap_enabled == 0) 5952 /* 5953 * Disable tap & drag gestures. We use a Mode Byte 5954 * and set the DisGest bit (see §2.5 of Synaptics 5955 * TouchPad Interfacing Guide). 5956 */ 5957 return (0x04); 5958 else 5959 /* 5960 * Enable tap & drag gestures. We use a Mode Byte 5961 * and clear the DisGest bit (see §2.5 of Synaptics 5962 * TouchPad Interfacing Guide). 5963 */ 5964 return (0x00); 5965 } 5966 5967 mode_byte = 0xc4; 5968 5969 /* request wmode where available */ 5970 if (sc->synhw.capExtended) 5971 mode_byte |= 1; 5972 5973 return mode_byte; 5974 } 5975 5976 static void 5977 synaptics_set_mode(struct psm_softc *sc, int mode_byte) { 5978 mouse_ext_command(sc->kbdc, mode_byte); 5979 5980 /* "Commit" the Set Mode Byte command sent above. */ 5981 set_mouse_sampling_rate(sc->kbdc, 20); 5982 5983 /* 5984 * Enable advanced gestures mode if supported and we are not entering 5985 * passthrough or relative mode. 5986 */ 5987 if ((sc->synhw.capAdvancedGestures || sc->synhw.capReportsV) && 5988 sc->hw.model == MOUSE_MODEL_SYNAPTICS && !(mode_byte & (1 << 5))) { 5989 mouse_ext_command(sc->kbdc, 3); 5990 set_mouse_sampling_rate(sc->kbdc, 0xc8); 5991 } 5992 } 5993 5994 static int 5995 enable_synaptics(struct psm_softc *sc, enum probearg arg) 5996 { 5997 KBDC kbdc = sc->kbdc; 5998 synapticshw_t synhw; 5999 int status[3]; 6000 int buttons; 6001 6002 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 6003 6004 /* 6005 * Just to be on the safe side: this avoids troubles with 6006 * following mouse_ext_command() when the previous command 6007 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 6008 * Synaptics Touchpad behaviour. 6009 */ 6010 set_mouse_scaling(kbdc, 1); 6011 6012 /* Identify the Touchpad version. */ 6013 if (mouse_ext_command(kbdc, 0) == 0) 6014 return (FALSE); 6015 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6016 return (FALSE); 6017 if (status[1] != 0x47) 6018 return (FALSE); 6019 6020 bzero(&synhw, sizeof(synhw)); 6021 synhw.infoMinor = status[0]; 6022 synhw.infoMajor = status[2] & 0x0f; 6023 6024 if (verbose >= 2) 6025 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 6026 synhw.infoMinor); 6027 6028 if (synhw.infoMajor < 4) { 6029 printf(" Unsupported (pre-v4) Touchpad detected\n"); 6030 return (FALSE); 6031 } 6032 6033 /* Get the Touchpad model information. */ 6034 if (mouse_ext_command(kbdc, 3) == 0) 6035 return (FALSE); 6036 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6037 return (FALSE); 6038 if ((status[1] & 0x01) != 0) { 6039 printf(" Failed to read model information\n"); 6040 return (FALSE); 6041 } 6042 6043 synhw.infoRot180 = (status[0] & 0x80) != 0; 6044 synhw.infoPortrait = (status[0] & 0x40) != 0; 6045 synhw.infoSensor = status[0] & 0x3f; 6046 synhw.infoHardware = (status[1] & 0xfe) >> 1; 6047 synhw.infoNewAbs = (status[2] & 0x80) != 0; 6048 synhw.capPen = (status[2] & 0x40) != 0; 6049 synhw.infoSimplC = (status[2] & 0x20) != 0; 6050 synhw.infoGeometry = status[2] & 0x0f; 6051 6052 if (verbose >= 2) { 6053 printf(" Model information:\n"); 6054 printf(" infoRot180: %d\n", synhw.infoRot180); 6055 printf(" infoPortrait: %d\n", synhw.infoPortrait); 6056 printf(" infoSensor: %d\n", synhw.infoSensor); 6057 printf(" infoHardware: %d\n", synhw.infoHardware); 6058 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 6059 printf(" capPen: %d\n", synhw.capPen); 6060 printf(" infoSimplC: %d\n", synhw.infoSimplC); 6061 printf(" infoGeometry: %d\n", synhw.infoGeometry); 6062 } 6063 6064 /* Read the extended capability bits. */ 6065 if (mouse_ext_command(kbdc, 2) == 0) 6066 return (FALSE); 6067 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6068 return (FALSE); 6069 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6070 printf(" Failed to read extended capability bits\n"); 6071 return (FALSE); 6072 } 6073 6074 /* Set the different capabilities when they exist. */ 6075 buttons = 0; 6076 synhw.capExtended = (status[0] & 0x80) != 0; 6077 if (synhw.capExtended) { 6078 synhw.nExtendedQueries = (status[0] & 0x70) >> 4; 6079 synhw.capMiddle = (status[0] & 0x04) != 0; 6080 synhw.capPassthrough = (status[2] & 0x80) != 0; 6081 synhw.capLowPower = (status[2] & 0x40) != 0; 6082 synhw.capMultiFingerReport = 6083 (status[2] & 0x20) != 0; 6084 synhw.capSleep = (status[2] & 0x10) != 0; 6085 synhw.capFourButtons = (status[2] & 0x08) != 0; 6086 synhw.capBallistics = (status[2] & 0x04) != 0; 6087 synhw.capMultiFinger = (status[2] & 0x02) != 0; 6088 synhw.capPalmDetect = (status[2] & 0x01) != 0; 6089 6090 if (!set_mouse_scaling(kbdc, 1)) 6091 return (FALSE); 6092 if (mouse_ext_command(kbdc, 0x08) == 0) 6093 return (FALSE); 6094 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6095 return (FALSE); 6096 6097 synhw.infoXupmm = status[0]; 6098 synhw.infoYupmm = status[2]; 6099 6100 if (verbose >= 2) { 6101 printf(" Extended capabilities:\n"); 6102 printf(" capExtended: %d\n", synhw.capExtended); 6103 printf(" capMiddle: %d\n", synhw.capMiddle); 6104 printf(" nExtendedQueries: %d\n", 6105 synhw.nExtendedQueries); 6106 printf(" capPassthrough: %d\n", synhw.capPassthrough); 6107 printf(" capLowPower: %d\n", synhw.capLowPower); 6108 printf(" capMultiFingerReport: %d\n", 6109 synhw.capMultiFingerReport); 6110 printf(" capSleep: %d\n", synhw.capSleep); 6111 printf(" capFourButtons: %d\n", synhw.capFourButtons); 6112 printf(" capBallistics: %d\n", synhw.capBallistics); 6113 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 6114 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 6115 printf(" infoXupmm: %d\n", synhw.infoXupmm); 6116 printf(" infoYupmm: %d\n", synhw.infoYupmm); 6117 } 6118 6119 /* 6120 * If nExtendedQueries is 1 or greater, then the TouchPad 6121 * supports this number of extended queries. We can load 6122 * more information about buttons using query 0x09. 6123 */ 6124 if (synhw.nExtendedQueries >= 1) { 6125 if (!set_mouse_scaling(kbdc, 1)) 6126 return (FALSE); 6127 if (mouse_ext_command(kbdc, 0x09) == 0) 6128 return (FALSE); 6129 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6130 return (FALSE); 6131 synhw.verticalScroll = (status[0] & 0x01) != 0; 6132 synhw.horizontalScroll = (status[0] & 0x02) != 0; 6133 synhw.verticalWheel = (status[0] & 0x08) != 0; 6134 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 6135 synhw.capEWmode = (status[0] & 0x04) != 0; 6136 if (verbose >= 2) { 6137 printf(" Extended model ID:\n"); 6138 printf(" verticalScroll: %d\n", 6139 synhw.verticalScroll); 6140 printf(" horizontalScroll: %d\n", 6141 synhw.horizontalScroll); 6142 printf(" verticalWheel: %d\n", 6143 synhw.verticalWheel); 6144 printf(" nExtendedButtons: %d\n", 6145 synhw.nExtendedButtons); 6146 printf(" capEWmode: %d\n", 6147 synhw.capEWmode); 6148 } 6149 /* 6150 * Add the number of extended buttons to the total 6151 * button support count, including the middle button 6152 * if capMiddle support bit is set. 6153 */ 6154 buttons = synhw.nExtendedButtons + synhw.capMiddle; 6155 } else 6156 /* 6157 * If the capFourButtons support bit is set, 6158 * add a fourth button to the total button count. 6159 */ 6160 buttons = synhw.capFourButtons ? 1 : 0; 6161 6162 /* Read the continued capabilities bits. */ 6163 if (synhw.nExtendedQueries >= 4) { 6164 if (!set_mouse_scaling(kbdc, 1)) 6165 return (FALSE); 6166 if (mouse_ext_command(kbdc, 0x0c) == 0) 6167 return (FALSE); 6168 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6169 return (FALSE); 6170 6171 synhw.capClickPad = (status[1] & 0x01) << 1; 6172 synhw.capClickPad |= (status[0] & 0x10) != 0; 6173 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 6174 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 6175 synhw.capReportsV = (status[1] & 0x08) != 0; 6176 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 6177 synhw.capReportsMin = (status[1] & 0x20) != 0; 6178 synhw.capInterTouch = (status[1] & 0x40) != 0; 6179 synhw.capReportsMax = (status[0] & 0x02) != 0; 6180 synhw.capClearPad = (status[0] & 0x04) != 0; 6181 synhw.capAdvancedGestures = (status[0] & 0x08) != 0; 6182 synhw.capCoveredPad = (status[0] & 0x80) != 0; 6183 6184 if (synhw.capReportsMax) { 6185 if (!set_mouse_scaling(kbdc, 1)) 6186 return (FALSE); 6187 if (mouse_ext_command(kbdc, 0x0d) == 0) 6188 return (FALSE); 6189 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6190 return (FALSE); 6191 6192 synhw.maximumXCoord = (status[0] << 5) | 6193 ((status[1] & 0x0f) << 1); 6194 synhw.maximumYCoord = (status[2] << 5) | 6195 ((status[1] & 0xf0) >> 3); 6196 } else { 6197 /* 6198 * Typical bezel limits. Taken from 'Synaptics 6199 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6200 */ 6201 synhw.maximumXCoord = 5472; 6202 synhw.maximumYCoord = 4448; 6203 } 6204 6205 if (synhw.capReportsMin) { 6206 if (!set_mouse_scaling(kbdc, 1)) 6207 return (FALSE); 6208 if (mouse_ext_command(kbdc, 0x0f) == 0) 6209 return (FALSE); 6210 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6211 return (FALSE); 6212 6213 synhw.minimumXCoord = (status[0] << 5) | 6214 ((status[1] & 0x0f) << 1); 6215 synhw.minimumYCoord = (status[2] << 5) | 6216 ((status[1] & 0xf0) >> 3); 6217 } else { 6218 /* 6219 * Typical bezel limits. Taken from 'Synaptics 6220 * PS/2 * TouchPad Interfacing Guide' p.3.2.3. 6221 */ 6222 synhw.minimumXCoord = 1472; 6223 synhw.minimumYCoord = 1408; 6224 } 6225 6226 if (verbose >= 2) { 6227 printf(" Continued capabilities:\n"); 6228 printf(" capClickPad: %d\n", 6229 synhw.capClickPad); 6230 printf(" capDeluxeLEDs: %d\n", 6231 synhw.capDeluxeLEDs); 6232 printf(" noAbsoluteFilter: %d\n", 6233 synhw.noAbsoluteFilter); 6234 printf(" capReportsV: %d\n", 6235 synhw.capReportsV); 6236 printf(" capUniformClickPad: %d\n", 6237 synhw.capUniformClickPad); 6238 printf(" capReportsMin: %d\n", 6239 synhw.capReportsMin); 6240 printf(" capInterTouch: %d\n", 6241 synhw.capInterTouch); 6242 printf(" capReportsMax: %d\n", 6243 synhw.capReportsMax); 6244 printf(" capClearPad: %d\n", 6245 synhw.capClearPad); 6246 printf(" capAdvancedGestures: %d\n", 6247 synhw.capAdvancedGestures); 6248 printf(" capCoveredPad: %d\n", 6249 synhw.capCoveredPad); 6250 if (synhw.capReportsMax) { 6251 printf(" maximumXCoord: %d\n", 6252 synhw.maximumXCoord); 6253 printf(" maximumYCoord: %d\n", 6254 synhw.maximumYCoord); 6255 } 6256 if (synhw.capReportsMin) { 6257 printf(" minimumXCoord: %d\n", 6258 synhw.minimumXCoord); 6259 printf(" minimumYCoord: %d\n", 6260 synhw.minimumYCoord); 6261 } 6262 } 6263 buttons += synhw.capClickPad; 6264 } 6265 } 6266 6267 if (verbose >= 2) { 6268 if (synhw.capExtended) 6269 printf(" Additional Buttons: %d\n", buttons); 6270 else 6271 printf(" No extended capabilities\n"); 6272 } 6273 6274 /* 6275 * Add the default number of 3 buttons to the total 6276 * count of supported buttons reported above. 6277 */ 6278 buttons += 3; 6279 6280 /* 6281 * Read the mode byte. 6282 * 6283 * XXX: Note the Synaptics documentation also defines the first 6284 * byte of the response to this query to be a constant 0x3b, this 6285 * does not appear to be true for Touchpads with guest devices. 6286 */ 6287 if (mouse_ext_command(kbdc, 1) == 0) 6288 return (FALSE); 6289 if (get_mouse_status(kbdc, status, 0, 3) != 3) 6290 return (FALSE); 6291 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 6292 printf(" Failed to read mode byte\n"); 6293 return (FALSE); 6294 } 6295 6296 if (arg == PROBE) 6297 sc->synhw = synhw; 6298 if (!synaptics_support) 6299 return (FALSE); 6300 6301 /* Set mouse type just now for synaptics_set_mode() */ 6302 sc->hw.model = MOUSE_MODEL_SYNAPTICS; 6303 6304 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6305 6306 if (trackpoint_support && synhw.capPassthrough) { 6307 enable_trackpoint(sc, arg); 6308 } 6309 6310 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 6311 6312 if (arg == PROBE) { 6313 /* Create sysctl tree. */ 6314 synaptics_sysctl_create_tree(sc, "synaptics", 6315 "Synaptics TouchPad"); 6316 sc->hw.buttons = buttons; 6317 } 6318 6319 return (TRUE); 6320 } 6321 6322 static void 6323 synaptics_passthrough_on(struct psm_softc *sc) 6324 { 6325 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode.\n")); 6326 synaptics_set_mode(sc, synaptics_preferred_mode(sc) | (1 << 5)); 6327 } 6328 6329 static void 6330 synaptics_passthrough_off(struct psm_softc *sc) 6331 { 6332 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 6333 set_mouse_scaling(sc->kbdc, 2); 6334 set_mouse_scaling(sc->kbdc, 1); 6335 synaptics_set_mode(sc, synaptics_preferred_mode(sc)); 6336 } 6337 6338 /* IBM/Lenovo TrackPoint */ 6339 static int 6340 trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 6341 { 6342 const int seq[] = { 0xe2, cmd, loc, val }; 6343 int i; 6344 6345 if (sc->synhw.capPassthrough) 6346 synaptics_passthrough_on(sc); 6347 6348 for (i = 0; i < nitems(seq); i++) { 6349 if (sc->synhw.capPassthrough && 6350 (seq[i] == 0xff || seq[i] == 0xe7)) 6351 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 6352 synaptics_passthrough_off(sc); 6353 return (EIO); 6354 } 6355 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 6356 if (sc->synhw.capPassthrough) 6357 synaptics_passthrough_off(sc); 6358 return (EIO); 6359 } 6360 } 6361 6362 if (sc->synhw.capPassthrough) 6363 synaptics_passthrough_off(sc); 6364 6365 return (0); 6366 } 6367 6368 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 6369 #define TPMASK 0 6370 #define TPLOC 1 6371 #define TPINFO 2 6372 6373 static int 6374 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 6375 { 6376 static const int data[][3] = { 6377 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 6378 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 6379 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 6380 { 0x00, 0x57, PSM_TPINFO(reach) }, 6381 { 0x00, 0x58, PSM_TPINFO(draghys) }, 6382 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 6383 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 6384 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 6385 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 6386 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 6387 { 0x01, 0x2c, PSM_TPINFO(pts) }, 6388 { 0x08, 0x2d, PSM_TPINFO(skipback) } 6389 }; 6390 struct psm_softc *sc; 6391 int error, newval, *oldvalp; 6392 const int *tp; 6393 6394 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 6395 return (EINVAL); 6396 sc = arg1; 6397 tp = data[arg2]; 6398 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 6399 newval = *oldvalp; 6400 error = sysctl_handle_int(oidp, &newval, 0, req); 6401 if (error != 0) 6402 return (error); 6403 if (newval == *oldvalp) 6404 return (0); 6405 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 6406 return (EINVAL); 6407 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 6408 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 6409 if (error != 0) 6410 return (error); 6411 *oldvalp = newval; 6412 6413 return (0); 6414 } 6415 6416 static void 6417 trackpoint_sysctl_create_tree(struct psm_softc *sc) 6418 { 6419 6420 if (sc->tpinfo.sysctl_tree != NULL) 6421 return; 6422 6423 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 6424 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 6425 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 6426 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 6427 0, "IBM/Lenovo TrackPoint"); 6428 6429 /* hw.psm.trackpoint.sensitivity */ 6430 sc->tpinfo.sensitivity = 0x80; 6431 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6432 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6433 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6434 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 6435 trackpoint_sysctl, "I", 6436 "Sensitivity"); 6437 6438 /* hw.psm.trackpoint.negative_inertia */ 6439 sc->tpinfo.inertia = 0x06; 6440 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6441 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6442 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6443 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 6444 trackpoint_sysctl, "I", 6445 "Negative inertia factor"); 6446 6447 /* hw.psm.trackpoint.upper_plateau */ 6448 sc->tpinfo.uplateau = 0x61; 6449 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6450 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6451 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6452 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 6453 trackpoint_sysctl, "I", 6454 "Transfer function upper plateau speed"); 6455 6456 /* hw.psm.trackpoint.backup_range */ 6457 sc->tpinfo.reach = 0x0a; 6458 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6459 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6460 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6461 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 6462 trackpoint_sysctl, "I", 6463 "Backup range"); 6464 6465 /* hw.psm.trackpoint.drag_hysteresis */ 6466 sc->tpinfo.draghys = 0xff; 6467 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6468 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6469 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6470 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 6471 trackpoint_sysctl, "I", 6472 "Drag hysteresis"); 6473 6474 /* hw.psm.trackpoint.minimum_drag */ 6475 sc->tpinfo.mindrag = 0x14; 6476 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6477 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6478 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6479 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 6480 trackpoint_sysctl, "I", 6481 "Minimum drag"); 6482 6483 /* hw.psm.trackpoint.up_threshold */ 6484 sc->tpinfo.upthresh = 0xff; 6485 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6486 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6487 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6488 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 6489 trackpoint_sysctl, "I", 6490 "Up threshold for release"); 6491 6492 /* hw.psm.trackpoint.threshold */ 6493 sc->tpinfo.threshold = 0x08; 6494 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6495 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6496 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6497 sc, TRACKPOINT_SYSCTL_THRESHOLD, 6498 trackpoint_sysctl, "I", 6499 "Threshold"); 6500 6501 /* hw.psm.trackpoint.jenks_curvature */ 6502 sc->tpinfo.jenks = 0x87; 6503 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6504 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6505 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6506 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 6507 trackpoint_sysctl, "I", 6508 "Jenks curvature"); 6509 6510 /* hw.psm.trackpoint.z_time */ 6511 sc->tpinfo.ztime = 0x26; 6512 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6513 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6514 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6515 sc, TRACKPOINT_SYSCTL_Z_TIME, 6516 trackpoint_sysctl, "I", 6517 "Z time constant"); 6518 6519 /* hw.psm.trackpoint.press_to_select */ 6520 sc->tpinfo.pts = 0x00; 6521 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6522 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6523 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6524 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 6525 trackpoint_sysctl, "I", 6526 "Press to Select"); 6527 6528 /* hw.psm.trackpoint.skip_backups */ 6529 sc->tpinfo.skipback = 0x00; 6530 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 6531 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 6532 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 6533 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 6534 trackpoint_sysctl, "I", 6535 "Skip backups from drags"); 6536 } 6537 6538 static void 6539 set_trackpoint_parameters(struct psm_softc *sc) 6540 { 6541 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 6542 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 6543 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 6544 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 6545 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 6546 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 6547 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 6548 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 6549 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 6550 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 6551 if (sc->tpinfo.pts == 0x01) 6552 trackpoint_command(sc, 0x47, 0x2c, 0x01); 6553 if (sc->tpinfo.skipback == 0x01) 6554 trackpoint_command(sc, 0x47, 0x2d, 0x08); 6555 } 6556 6557 static int 6558 enable_trackpoint(struct psm_softc *sc, enum probearg arg) 6559 { 6560 KBDC kbdc = sc->kbdc; 6561 int id; 6562 6563 /* 6564 * If called from enable_synaptics(), make sure that passthrough 6565 * mode is enabled so we can reach the trackpoint. 6566 * However, passthrough mode must be disabled before setting the 6567 * trackpoint parameters, as rackpoint_command() enables and disables 6568 * passthrough mode on its own. 6569 */ 6570 if (sc->synhw.capPassthrough) 6571 synaptics_passthrough_on(sc); 6572 6573 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 6574 read_aux_data(kbdc) != 0x01) 6575 goto no_trackpoint; 6576 id = read_aux_data(kbdc); 6577 if (id < 0x01) 6578 goto no_trackpoint; 6579 if (arg == PROBE) 6580 sc->tphw = id; 6581 if (!trackpoint_support) 6582 goto no_trackpoint; 6583 6584 if (sc->synhw.capPassthrough) 6585 synaptics_passthrough_off(sc); 6586 6587 if (arg == PROBE) { 6588 trackpoint_sysctl_create_tree(sc); 6589 /* 6590 * Don't overwrite hwid and buttons when we are 6591 * a guest device. 6592 */ 6593 if (!sc->synhw.capPassthrough) { 6594 sc->hw.hwid = id; 6595 sc->hw.buttons = 3; 6596 } 6597 } 6598 6599 set_trackpoint_parameters(sc); 6600 6601 return (TRUE); 6602 6603 no_trackpoint: 6604 if (sc->synhw.capPassthrough) 6605 synaptics_passthrough_off(sc); 6606 6607 return (FALSE); 6608 } 6609 6610 /* Interlink electronics VersaPad */ 6611 static int 6612 enable_versapad(struct psm_softc *sc, enum probearg arg) 6613 { 6614 KBDC kbdc = sc->kbdc; 6615 int data[3]; 6616 6617 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 6618 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 6619 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6620 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6621 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6622 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6623 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 6624 return (FALSE); 6625 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 6626 return (FALSE); 6627 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 6628 6629 return (TRUE); /* PS/2 absolute mode */ 6630 } 6631 6632 /* Elantech Touchpad */ 6633 static int 6634 elantech_read_1(KBDC kbdc, int hwversion, int reg, int *val) 6635 { 6636 int res, readcmd, retidx; 6637 int resp[3]; 6638 6639 readcmd = hwversion == 2 ? ELANTECH_REG_READ : ELANTECH_REG_RDWR; 6640 retidx = hwversion == 4 ? 1 : 0; 6641 6642 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6643 res |= send_aux_command(kbdc, readcmd) != PSM_ACK; 6644 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6645 res |= send_aux_command(kbdc, reg) != PSM_ACK; 6646 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 6647 6648 if (res == 0) 6649 *val = resp[retidx]; 6650 6651 return (res); 6652 } 6653 6654 static int 6655 elantech_write_1(KBDC kbdc, int hwversion, int reg, int val) 6656 { 6657 int res, writecmd; 6658 6659 writecmd = hwversion == 2 ? ELANTECH_REG_WRITE : ELANTECH_REG_RDWR; 6660 6661 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6662 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 6663 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6664 res |= send_aux_command(kbdc, reg) != PSM_ACK; 6665 if (hwversion == 4) { 6666 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6667 res |= send_aux_command(kbdc, writecmd) != PSM_ACK; 6668 } 6669 res |= send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6670 res |= send_aux_command(kbdc, val) != PSM_ACK; 6671 res |= set_mouse_scaling(kbdc, 1) == 0; 6672 6673 return (res); 6674 } 6675 6676 static int 6677 elantech_cmd(KBDC kbdc, int hwversion, int cmd, int *resp) 6678 { 6679 int res; 6680 6681 if (hwversion == 2) { 6682 res = set_mouse_scaling(kbdc, 1) == 0; 6683 res |= mouse_ext_command(kbdc, cmd) == 0; 6684 } else { 6685 res = send_aux_command(kbdc, ELANTECH_CUSTOM_CMD) != PSM_ACK; 6686 res |= send_aux_command(kbdc, cmd) != PSM_ACK; 6687 } 6688 res |= get_mouse_status(kbdc, resp, 0, 3) != 3; 6689 6690 return (res); 6691 } 6692 6693 static int 6694 elantech_init(KBDC kbdc, elantechhw_t *elanhw) 6695 { 6696 int i, val, res, hwversion, reg10; 6697 6698 /* set absolute mode */ 6699 hwversion = elanhw->hwversion; 6700 reg10 = -1; 6701 switch (hwversion) { 6702 case 2: 6703 reg10 = elanhw->fwversion == 0x020030 ? 0x54 : 0xc4; 6704 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 6705 if (res) 6706 break; 6707 res = elantech_write_1(kbdc, hwversion, 0x11, 0x8A); 6708 break; 6709 case 3: 6710 reg10 = 0x0b; 6711 res = elantech_write_1(kbdc, hwversion, 0x10, reg10); 6712 break; 6713 case 4: 6714 res = elantech_write_1(kbdc, hwversion, 0x07, 0x01); 6715 break; 6716 default: 6717 res = 1; 6718 } 6719 6720 /* Read back reg 0x10 to ensure hardware is ready. */ 6721 if (res == 0 && reg10 >= 0) { 6722 for (i = 0; i < 5; i++) { 6723 if (elantech_read_1(kbdc, hwversion, 0x10, &val) == 0) 6724 break; 6725 DELAY(2000); 6726 } 6727 if (i == 5) 6728 res = 1; 6729 } 6730 6731 if (res) 6732 printf("couldn't set absolute mode\n"); 6733 6734 return (res); 6735 } 6736 6737 static void 6738 elantech_init_synaptics(struct psm_softc *sc) 6739 { 6740 6741 /* Set capabilites required by movement smother */ 6742 sc->synhw.infoMajor = sc->elanhw.hwversion; 6743 sc->synhw.infoMinor = sc->elanhw.fwversion; 6744 sc->synhw.infoXupmm = sc->elanhw.dpmmx; 6745 sc->synhw.infoYupmm = sc->elanhw.dpmmy; 6746 sc->synhw.verticalScroll = 0; 6747 sc->synhw.nExtendedQueries = 4; 6748 sc->synhw.capExtended = 1; 6749 sc->synhw.capPassthrough = sc->elanhw.hastrackpoint; 6750 sc->synhw.capClickPad = sc->elanhw.isclickpad; 6751 sc->synhw.capMultiFinger = 1; 6752 if (sc->elanhw.issemimt) 6753 sc->synhw.capAdvancedGestures = 1; 6754 else 6755 sc->synhw.capReportsV = 1; 6756 sc->synhw.capPalmDetect = 1; 6757 sc->synhw.capPen = 0; 6758 sc->synhw.capReportsMax = 1; 6759 sc->synhw.maximumXCoord = sc->elanhw.sizex; 6760 sc->synhw.maximumYCoord = sc->elanhw.sizey; 6761 sc->synhw.capReportsMin = 1; 6762 sc->synhw.minimumXCoord = 0; 6763 sc->synhw.minimumYCoord = 0; 6764 6765 if (sc->syninfo.sysctl_tree == NULL) { 6766 synaptics_sysctl_create_tree(sc, "elantech", 6767 "Elantech Touchpad"); 6768 6769 /* 6770 * Adjust synaptic smoother tunables 6771 * 1. Disable finger detection pressure threshold. Unlike 6772 * synaptics we assume the finger is acting when packet with 6773 * its X&Y arrives not when pressure exceedes some threshold 6774 * 2. Disable unrelated features like margins and noisy areas 6775 * 3. Disable virtual scroll areas as 2nd finger is preferable 6776 * 4. For clickpads set bottom quarter as 42% - 16% - 42% sized 6777 * softbuttons 6778 * 5. Scale down divisors and movement lengths by a factor of 3 6779 * where 3 is Synaptics to Elantech (~2200/800) dpi ratio 6780 */ 6781 6782 /* Set reporting range to be equal touchpad size */ 6783 sc->syninfo.max_x = sc->elanhw.sizex; 6784 sc->syninfo.max_y = sc->elanhw.sizey; 6785 6786 /* Disable finger detection pressure threshold */ 6787 sc->syninfo.min_pressure = 1; 6788 6789 /* Adjust palm width to nearly match synaptics w=10 */ 6790 sc->syninfo.max_width = 7; 6791 6792 /* Elans often report double & triple taps as single event */ 6793 sc->syninfo.tap_min_queue = 1; 6794 6795 /* Use full area of touchpad */ 6796 sc->syninfo.margin_top = 0; 6797 sc->syninfo.margin_right = 0; 6798 sc->syninfo.margin_bottom = 0; 6799 sc->syninfo.margin_left = 0; 6800 6801 /* Disable noisy area */ 6802 sc->syninfo.na_top = 0; 6803 sc->syninfo.na_right = 0; 6804 sc->syninfo.na_bottom = 0; 6805 sc->syninfo.na_left = 0; 6806 6807 /* Tune divisors and movement lengths */ 6808 sc->syninfo.weight_len_squared = 200; 6809 sc->syninfo.div_min = 3; 6810 sc->syninfo.div_max = 6; 6811 sc->syninfo.div_max_na = 10; 6812 sc->syninfo.div_len = 30; 6813 sc->syninfo.tap_max_delta = 25; 6814 6815 /* Disable virtual scrolling areas and tune its divisors */ 6816 sc->syninfo.vscroll_hor_area = 0; 6817 sc->syninfo.vscroll_ver_area = 0; 6818 sc->syninfo.vscroll_min_delta = 15; 6819 sc->syninfo.vscroll_div_min = 30; 6820 sc->syninfo.vscroll_div_max = 50; 6821 6822 /* Set bottom quarter as 42% - 16% - 42% sized softbuttons */ 6823 if (sc->elanhw.isclickpad) { 6824 sc->syninfo.softbuttons_y = sc->elanhw.sizey / 4; 6825 sc->syninfo.softbutton2_x = sc->elanhw.sizex * 11 / 25; 6826 sc->syninfo.softbutton3_x = sc->elanhw.sizex * 14 / 25; 6827 } 6828 } 6829 6830 return; 6831 } 6832 6833 static int 6834 enable_elantech(struct psm_softc *sc, enum probearg arg) 6835 { 6836 static const int ic2hw[] = 6837 /*IC: 0 1 2 3 4 5 6 7 8 9 a b c d e f */ 6838 { 0, 0, 2, 0, 2, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 0 }; 6839 static const int fw_sizes[][3] = { 6840 /* FW.vers MaxX MaxY */ 6841 { 0x020030, 1152, 768 }, 6842 { 0x020800, 1152, 768 }, 6843 { 0x020b00, 1152, 768 }, 6844 { 0x040215, 900, 500 }, 6845 { 0x040216, 819, 405 }, 6846 { 0x040219, 900, 500 }, 6847 }; 6848 elantechhw_t elanhw; 6849 int icversion, hwversion, xtr, i, id, resp[3], dpix, dpiy; 6850 KBDC kbdc = sc->kbdc; 6851 6852 VLOG(3, (LOG_DEBUG, "elantech: BEGIN init\n")); 6853 6854 set_mouse_scaling(kbdc, 1); 6855 set_mouse_scaling(kbdc, 1); 6856 set_mouse_scaling(kbdc, 1); 6857 if (get_mouse_status(kbdc, resp, 0, 3) != 3) 6858 return (FALSE); 6859 6860 if (!ELANTECH_MAGIC(resp)) 6861 return (FALSE); 6862 6863 /* Identify the Touchpad version. */ 6864 if (elantech_cmd(kbdc, 2, ELANTECH_FW_VERSION, resp)) 6865 return (FALSE); 6866 6867 bzero(&elanhw, sizeof(elanhw)); 6868 6869 elanhw.fwversion = (resp[0] << 16) | (resp[1] << 8) | resp[2]; 6870 icversion = resp[0] & 0x0f; 6871 hwversion = ic2hw[icversion]; 6872 6873 if (verbose >= 2) 6874 printf("Elantech touchpad hardware v.%d firmware v.0x%06x\n", 6875 hwversion, elanhw.fwversion); 6876 6877 if (ELANTECH_HW_IS_V1(elanhw.fwversion)) { 6878 printf (" Unsupported touchpad hardware (v1)\n"); 6879 return (FALSE); 6880 } 6881 if (hwversion == 0) { 6882 printf (" Unknown touchpad hardware (firmware v.0x%06x)\n", 6883 elanhw.fwversion); 6884 return (FALSE); 6885 } 6886 6887 /* Get the Touchpad model information. */ 6888 elanhw.hwversion = hwversion; 6889 elanhw.issemimt = hwversion == 2; 6890 elanhw.isclickpad = (resp[1] & 0x10) != 0; 6891 elanhw.hascrc = (resp[1] & 0x40) != 0; 6892 elanhw.haspressure = elanhw.fwversion >= 0x020800; 6893 6894 /* Read the capability bits. */ 6895 if (elantech_cmd(kbdc, hwversion, ELANTECH_CAPABILITIES, resp) != 0) { 6896 printf(" Failed to read capability bits\n"); 6897 return (FALSE); 6898 } 6899 6900 elanhw.ntracesx = imax(resp[1], 3); 6901 elanhw.ntracesy = imax(resp[2], 3); 6902 elanhw.hastrackpoint = (resp[0] & 0x80) != 0; 6903 6904 /* Get the touchpad resolution */ 6905 switch (hwversion) { 6906 case 4: 6907 if (elantech_cmd(kbdc, hwversion, ELANTECH_RESOLUTION, resp) 6908 == 0) { 6909 dpix = (resp[1] & 0x0f) * 10 + 790; 6910 dpiy = ((resp[1] & 0xf0) >> 4) * 10 + 790; 6911 elanhw.dpmmx = (dpix * 10 + 5) / 254; 6912 elanhw.dpmmy = (dpiy * 10 + 5) / 254; 6913 break; 6914 } 6915 /* FALLTHROUGH */ 6916 case 2: 6917 case 3: 6918 elanhw.dpmmx = elanhw.dpmmy = 32; /* 800 dpi */ 6919 break; 6920 } 6921 6922 if (!elantech_support) 6923 return (FALSE); 6924 6925 if (elantech_init(kbdc, &elanhw)) { 6926 printf("couldn't initialize elantech touchpad\n"); 6927 return (FALSE); 6928 } 6929 6930 /* 6931 * Get the touchpad reporting range. 6932 * On HW v.3 touchpads it should be done after switching hardware 6933 * to real resolution mode (by setting bit 3 of reg10) 6934 */ 6935 elanhw.dptracex = elanhw.dptracey = 64; 6936 for (i = 0; i < nitems(fw_sizes); i++) { 6937 if (elanhw.fwversion == fw_sizes[i][0]) { 6938 elanhw.sizex = fw_sizes[i][1]; 6939 elanhw.sizey = fw_sizes[i][2]; 6940 goto found; 6941 } 6942 } 6943 if (elantech_cmd(kbdc, hwversion, ELANTECH_FW_ID, resp) != 0) { 6944 printf(" Failed to read touchpad size\n"); 6945 elanhw.sizex = 10000; /* Arbitrary high values to */ 6946 elanhw.sizey = 10000; /* prevent clipping in smoother */ 6947 } else if (hwversion == 2) { 6948 if ((elanhw.fwversion >> 16) == 0x14 && (resp[1] & 0x10) && 6949 !elantech_cmd(kbdc, hwversion, ELANTECH_SAMPLE, resp)) { 6950 elanhw.dptracex = resp[1] / 2; 6951 elanhw.dptracey = resp[2] / 2; 6952 } 6953 xtr = ((elanhw.fwversion >> 8) == 0x0208) ? 1 : 2; 6954 elanhw.sizex = (elanhw.ntracesx - xtr) * elanhw.dptracex; 6955 elanhw.sizey = (elanhw.ntracesy - xtr) * elanhw.dptracey; 6956 } else { 6957 elanhw.sizex = (resp[0] & 0x0f) << 8 | resp[1]; 6958 elanhw.sizey = (resp[0] & 0xf0) << 4 | resp[2]; 6959 xtr = (elanhw.sizex % (elanhw.ntracesx - 2) == 0) ? 2 : 1; 6960 elanhw.dptracex = elanhw.sizex / (elanhw.ntracesx - xtr); 6961 elanhw.dptracey = elanhw.sizey / (elanhw.ntracesy - xtr); 6962 } 6963 found: 6964 if (verbose >= 2) { 6965 printf(" Model information:\n"); 6966 printf(" MaxX: %d\n", elanhw.sizex); 6967 printf(" MaxY: %d\n", elanhw.sizey); 6968 printf(" DpmmX: %d\n", elanhw.dpmmx); 6969 printf(" DpmmY: %d\n", elanhw.dpmmy); 6970 printf(" TracesX: %d\n", elanhw.ntracesx); 6971 printf(" TracesY: %d\n", elanhw.ntracesy); 6972 printf(" DptraceX: %d\n", elanhw.dptracex); 6973 printf(" DptraceY: %d\n", elanhw.dptracey); 6974 printf(" SemiMT: %d\n", elanhw.issemimt); 6975 printf(" Clickpad: %d\n", elanhw.isclickpad); 6976 printf(" Trackpoint: %d\n", elanhw.hastrackpoint); 6977 printf(" CRC: %d\n", elanhw.hascrc); 6978 printf(" Pressure: %d\n", elanhw.haspressure); 6979 } 6980 6981 VLOG(3, (LOG_DEBUG, "elantech: END init\n")); 6982 6983 if (arg == PROBE) { 6984 sc->elanhw = elanhw; 6985 sc->hw.buttons = 3; 6986 6987 /* Initialize synaptics movement smoother */ 6988 elantech_init_synaptics(sc); 6989 6990 for (id = 0; id < ELANTECH_MAX_FINGERS; id++) 6991 PSM_FINGER_RESET(sc->elanaction.fingers[id]); 6992 } 6993 6994 return (TRUE); 6995 } 6996 6997 /* 6998 * Return true if 'now' is earlier than (start + (secs.usecs)). 6999 * Now may be NULL and the function will fetch the current time from 7000 * getmicrouptime(), or a cached 'now' can be passed in. 7001 * All values should be numbers derived from getmicrouptime(). 7002 */ 7003 static int 7004 timeelapsed(start, secs, usecs, now) 7005 const struct timeval *start, *now; 7006 int secs, usecs; 7007 { 7008 struct timeval snow, tv; 7009 7010 /* if there is no 'now' passed in, the get it as a convience. */ 7011 if (now == NULL) { 7012 getmicrouptime(&snow); 7013 now = &snow; 7014 } 7015 7016 tv.tv_sec = secs; 7017 tv.tv_usec = usecs; 7018 timevaladd(&tv, start); 7019 return (timevalcmp(&tv, now, <)); 7020 } 7021 7022 static int 7023 psmresume(device_t dev) 7024 { 7025 struct psm_softc *sc = device_get_softc(dev); 7026 int unit = device_get_unit(dev); 7027 int err; 7028 7029 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 7030 7031 if ((sc->config & 7032 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 7033 return (0); 7034 7035 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 7036 7037 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 7038 /* 7039 * Release the blocked process; it must be notified that 7040 * the device cannot be accessed anymore. 7041 */ 7042 sc->state &= ~PSM_ASLP; 7043 wakeup(sc); 7044 } 7045 7046 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 7047 7048 return (err); 7049 } 7050 7051 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 7052 #ifdef EVDEV_SUPPORT 7053 MODULE_DEPEND(psm, evdev, 1, 1, 1); 7054 #endif 7055 7056 #ifdef DEV_ISA 7057 7058 /* 7059 * This sucks up assignments from PNPBIOS and ACPI. 7060 */ 7061 7062 /* 7063 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 7064 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 7065 * can be probed and attached only after the AT keyboard controller is 7066 * attached, we shall quietly reserve the IRQ resource for later use. 7067 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 7068 * copy the IRQ resource to the PS/2 mouse device instance hanging 7069 * under the keyboard controller, then probe and attach it. 7070 */ 7071 7072 static devclass_t psmcpnp_devclass; 7073 7074 static device_probe_t psmcpnp_probe; 7075 static device_attach_t psmcpnp_attach; 7076 7077 static device_method_t psmcpnp_methods[] = { 7078 DEVMETHOD(device_probe, psmcpnp_probe), 7079 DEVMETHOD(device_attach, psmcpnp_attach), 7080 7081 { 0, 0 } 7082 }; 7083 7084 static driver_t psmcpnp_driver = { 7085 PSMCPNP_DRIVER_NAME, 7086 psmcpnp_methods, 7087 1, /* no softc */ 7088 }; 7089 7090 static struct isa_pnp_id psmcpnp_ids[] = { 7091 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 7092 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 7093 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 7094 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 7095 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 7096 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 7097 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 7098 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 7099 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 7100 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 7101 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 7102 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 7103 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 7104 { 0 } 7105 }; 7106 7107 static int 7108 create_a_copy(device_t atkbdc, device_t me) 7109 { 7110 device_t psm; 7111 u_long irq; 7112 7113 /* find the PS/2 mouse device instance under the keyboard controller */ 7114 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 7115 device_get_unit(atkbdc)); 7116 if (psm == NULL) 7117 return (ENXIO); 7118 if (device_get_state(psm) != DS_NOTPRESENT) 7119 return (0); 7120 7121 /* move our resource to the found device */ 7122 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 7123 bus_delete_resource(me, SYS_RES_IRQ, 0); 7124 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 7125 7126 /* ...then probe and attach it */ 7127 return (device_probe_and_attach(psm)); 7128 } 7129 7130 static int 7131 psmcpnp_probe(device_t dev) 7132 { 7133 struct resource *res; 7134 u_long irq; 7135 int rid; 7136 7137 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 7138 return (ENXIO); 7139 7140 /* 7141 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 7142 * to the PS/2 mouse device node. But, some buggy PnP BIOS 7143 * declares the PS/2 mouse device node without an IRQ resource! 7144 * If this happens, we shall refer to device hints. 7145 * If we still don't find it there, use a hardcoded value... XXX 7146 */ 7147 rid = 0; 7148 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 7149 if (irq <= 0) { 7150 if (resource_long_value(PSM_DRIVER_NAME, 7151 device_get_unit(dev),"irq", &irq) != 0) 7152 irq = 12; /* XXX */ 7153 device_printf(dev, "irq resource info is missing; " 7154 "assuming irq %ld\n", irq); 7155 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 7156 } 7157 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 7158 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 7159 7160 /* keep quiet */ 7161 if (!bootverbose) 7162 device_quiet(dev); 7163 7164 return ((res == NULL) ? ENXIO : 0); 7165 } 7166 7167 static int 7168 psmcpnp_attach(device_t dev) 7169 { 7170 device_t atkbdc; 7171 7172 /* find the keyboard controller, which may be on acpi* or isa* bus */ 7173 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 7174 device_get_unit(dev)); 7175 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 7176 create_a_copy(atkbdc, dev); 7177 7178 return (0); 7179 } 7180 7181 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7182 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 7183 7184 #endif /* DEV_ISA */ 7185