1 /* $NetBSD: synaptics.c,v 1.85 2026/04/28 17:00:22 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2005, Steve C. Woodford 5 * Copyright (c) 2004, Ales Krenek 6 * Copyright (c) 2004, Kentaro A. Kurahone 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * * Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * * Redistributions in binary form must reproduce the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer in the documentation and/or other materials provided 18 * with the distribution. 19 * * Neither the name of the authors nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 27 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 29 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 30 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 33 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 * 36 */ 37 38 /* 39 * TODO: 40 * - Make the sysctl values per-instance instead of global. 41 * - Consider setting initial scaling factors at runtime according 42 * to the values returned by the 'Read Resolutions' command. 43 * - Support the serial protocol (we only support PS/2 for now) 44 * - Support auto-repeat for up/down button Z-axis emulation. 45 * - Maybe add some more gestures (can we use Palm support somehow?) 46 */ 47 48 #include "opt_pms.h" 49 50 #include <sys/cdefs.h> 51 __KERNEL_RCSID(0, "$NetBSD: synaptics.c,v 1.85 2026/04/28 17:00:22 christos Exp $"); 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/device.h> 56 #include <sys/ioctl.h> 57 #include <sys/sysctl.h> 58 #include <sys/kernel.h> 59 #include <sys/proc.h> 60 61 #include <sys/bus.h> 62 63 #include <dev/pckbport/pckbportvar.h> 64 65 #include <dev/pckbport/synapticsreg.h> 66 #include <dev/pckbport/synapticsvar.h> 67 68 #include <dev/pckbport/pmsreg.h> 69 #include <dev/pckbport/pmsvar.h> 70 71 #include <dev/wscons/wsconsio.h> 72 #include <dev/wscons/wsmousevar.h> 73 74 /* 75 * Absolute-mode packets are decoded and passed around using 76 * the following structure. 77 */ 78 struct synaptics_packet { 79 signed short sp_x; /* Unscaled absolute X/Y coordinates */ 80 signed short sp_y; 81 u_char sp_z; /* Z (pressure) */ 82 signed short sp_sx; /* Unscaled absolute X/Y coordinates */ 83 signed short sp_sy; /* for secondary finger */ 84 u_char sp_sz; /* Z (pressure) */ 85 u_char sp_w; /* W (contact patch width) */ 86 u_char sp_primary; /* seen primary finger packet */ 87 u_char sp_secondary; /* seen secondary finger packet */ 88 u_char sp_finger_status; /* seen extended finger packet */ 89 u_char sp_finger_count; /* number of fingers seen */ 90 char sp_left; /* Left mouse button status */ 91 char sp_right; /* Right mouse button status */ 92 char sp_middle; /* Middle button status (possibly emulated) */ 93 char sp_up; /* Up button status */ 94 char sp_down; /* Down button status */ 95 }; 96 97 static void pms_synaptics_input(void *, int); 98 static void pms_synaptics_process_packet(struct pms_softc *, 99 struct synaptics_packet *); 100 static void pms_sysctl_synaptics(struct sysctllog **); 101 static int pms_sysctl_synaptics_verify(SYSCTLFN_ARGS); 102 103 /* Controlled by sysctl. */ 104 static int synaptics_up_down_emul = 3; 105 static int synaptics_up_down_motion_delta = 1; 106 static int synaptics_gesture_move = 200; 107 static int synaptics_gesture_length = 20; 108 static int synaptics_edge_left = SYNAPTICS_EDGE_LEFT; 109 static int synaptics_edge_right = SYNAPTICS_EDGE_RIGHT; 110 static int synaptics_edge_top = SYNAPTICS_EDGE_TOP; 111 static int synaptics_edge_bottom = SYNAPTICS_EDGE_BOTTOM; 112 static int synaptics_edge_motion_delta = 32; 113 static u_int synaptics_finger_high = SYNAPTICS_FINGER_LIGHT + 5; 114 static u_int synaptics_finger_low = SYNAPTICS_FINGER_LIGHT - 10; 115 static int synaptics_hscroll_pct = 0; 116 static int synaptics_vscroll_pct = 0; 117 static int synaptics_button_pct = 0; 118 static int synaptics_button_boundary = SYNAPTICS_EDGE_BOTTOM; 119 static int synaptics_button2; 120 static int synaptics_button3; 121 static int synaptics_tap_to_click = 1; 122 static int synaptics_two_fingers_emul = 0; 123 static int synaptics_scale_x = 8; 124 static int synaptics_scale_y = 8; 125 static int synaptics_scale_z = 32; 126 static int synaptics_max_speed_x = 32; 127 static int synaptics_max_speed_y = 32; 128 static int synaptics_max_speed_z = 2; 129 static int synaptics_movement_threshold = 4; 130 static int synaptics_movement_enable = 1; 131 static int synaptics_button_region_movement = 1; 132 static bool synaptics_aux_mid_button_scroll = TRUE; 133 static int synaptics_debug = 0; 134 135 #define DPRINTF(LEVEL, SC, FMT, ARGS...) do \ 136 { \ 137 if (synaptics_debug >= LEVEL) { \ 138 struct pms_softc *_dprintf_psc = \ 139 container_of((SC), struct pms_softc, u.synaptics); \ 140 device_printf(_dprintf_psc->sc_dev, FMT, ##ARGS); \ 141 } \ 142 } while (0) 143 144 /* Sysctl nodes. */ 145 static int synaptics_button_boundary_nodenum; 146 static int synaptics_button2_nodenum; 147 static int synaptics_button3_nodenum; 148 static int synaptics_up_down_emul_nodenum; 149 static int synaptics_up_down_motion_delta_nodenum; 150 static int synaptics_gesture_move_nodenum; 151 static int synaptics_gesture_length_nodenum; 152 static int synaptics_edge_left_nodenum; 153 static int synaptics_edge_right_nodenum; 154 static int synaptics_edge_top_nodenum; 155 static int synaptics_edge_bottom_nodenum; 156 static int synaptics_edge_motion_delta_nodenum; 157 static int synaptics_finger_high_nodenum; 158 static int synaptics_finger_low_nodenum; 159 static int synaptics_tap_to_click_nodenum; 160 static int synaptics_two_fingers_emul_nodenum; 161 static int synaptics_scale_x_nodenum; 162 static int synaptics_scale_y_nodenum; 163 static int synaptics_scale_z_nodenum; 164 static int synaptics_max_speed_x_nodenum; 165 static int synaptics_max_speed_y_nodenum; 166 static int synaptics_max_speed_z_nodenum; 167 static int synaptics_movement_threshold_nodenum; 168 static int synaptics_movement_enable_nodenum; 169 static int synaptics_button_region_movement_nodenum; 170 static int synaptics_aux_mid_button_scroll_nodenum; 171 static int synaptics_hscroll_pct_nodenum; 172 static int synaptics_vscroll_pct_nodenum; 173 static int synaptics_button_pct_nodenum; 174 175 /* 176 * copy of edges so we can recalculate edge limit if there is 177 * vertical scroll region 178 */ 179 static int synaptics_true_edge_right; 180 static int synaptics_true_edge_bottom; 181 182 /* 183 * invalid old values, recalculate everything 184 */ 185 static int synaptics_old_vscroll_pct = -1; 186 static int synaptics_old_hscroll_pct = -1; 187 static int synaptics_old_button_pct = -1; 188 static int synaptics_old_button_boundary = -1; 189 static int synaptics_old_edge_right = -1; 190 static int synaptics_old_edge_bottom = -1; 191 192 /* 193 * This holds the processed packet data, it is global because multiple 194 * packets from the trackpad may be processed when handling multiple 195 * fingers on the trackpad to gather all the data. 196 */ 197 static struct synaptics_packet packet; 198 199 static int 200 synaptics_poll_cmd(struct pms_softc *psc, ...) 201 { 202 u_char cmd[4]; 203 size_t i; 204 va_list ap; 205 206 va_start(ap, psc); 207 208 for (i = 0; i < __arraycount(cmd); i++) 209 if ((cmd[i] = (u_char)va_arg(ap, int)) == 0) 210 break; 211 va_end(ap); 212 213 int res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, i, 0, 214 NULL, 0); 215 if (res) 216 device_printf(psc->sc_dev, "command error %#x\n", cmd[0]); 217 return res; 218 } 219 220 static int 221 synaptics_poll_reset(struct pms_softc *psc) 222 { 223 u_char resp[2]; 224 int res; 225 226 u_char cmd[1] = { PMS_RESET }; 227 res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, 1, 2, 228 resp, 1); 229 DPRINTF(10, &psc->u.synaptics, "reset %d 0x%02x 0x%02x\n", 230 res, resp[0], resp[1]); 231 return res; 232 } 233 234 static int 235 synaptics_special_read(struct pms_softc *psc, u_char slice, u_char resp[3]) 236 { 237 u_char cmd[1] = { PMS_SEND_DEV_STATUS }; 238 int res = pms_sliced_command(psc->sc_kbctag, psc->sc_kbcslot, slice); 239 240 return res | pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 241 cmd, 1, 3, resp, 0); 242 } 243 244 static int 245 synaptics_special_write(struct pms_softc *psc, u_char command, u_char arg) 246 { 247 int res = pms_sliced_command(psc->sc_kbctag, psc->sc_kbcslot, arg); 248 if (res) 249 return res; 250 251 u_char cmd[2]; 252 cmd[0] = PMS_SET_SAMPLE; 253 cmd[1] = command; 254 res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, 255 cmd, 2, 0, NULL, 0); 256 return res; 257 } 258 259 static int 260 synaptics_value(int pct, int low, int high) 261 { 262 return low + pct * (high - low) / 100UL; 263 } 264 265 static int 266 synaptics_percentage(int val, int low, int high) 267 { 268 return ((val - low) * 100UL + high - low - 1) / (high - low); 269 } 270 271 static void 272 pms_synaptics_set_boundaries(void) 273 { 274 if (synaptics_vscroll_pct != synaptics_old_vscroll_pct ) { 275 synaptics_edge_right = synaptics_value( 276 100 - synaptics_vscroll_pct, 277 synaptics_edge_left, 278 synaptics_true_edge_right); 279 synaptics_old_vscroll_pct = synaptics_vscroll_pct; 280 } 281 282 if (synaptics_edge_right != synaptics_old_edge_right) { 283 if (synaptics_edge_right >= synaptics_true_edge_right) { 284 synaptics_vscroll_pct = 0; 285 synaptics_edge_right = synaptics_true_edge_right; 286 } else { 287 synaptics_vscroll_pct = 100 - synaptics_percentage( 288 synaptics_edge_right, 289 synaptics_edge_left, 290 synaptics_true_edge_right); 291 } 292 synaptics_old_vscroll_pct = synaptics_vscroll_pct; 293 synaptics_old_edge_right = synaptics_edge_right; 294 } 295 296 if (synaptics_hscroll_pct != synaptics_old_hscroll_pct ) { 297 synaptics_edge_bottom = synaptics_value( 298 synaptics_hscroll_pct, 299 synaptics_true_edge_bottom, 300 synaptics_edge_top); 301 synaptics_old_hscroll_pct = synaptics_hscroll_pct; 302 } 303 304 if (synaptics_edge_bottom != synaptics_old_edge_bottom) { 305 if (synaptics_edge_bottom <= synaptics_true_edge_bottom) { 306 synaptics_hscroll_pct = 0; 307 synaptics_edge_bottom = synaptics_true_edge_bottom; 308 } else { 309 synaptics_hscroll_pct = synaptics_percentage( 310 synaptics_edge_bottom, 311 synaptics_true_edge_bottom, 312 synaptics_edge_top); 313 } 314 synaptics_old_hscroll_pct = synaptics_hscroll_pct; 315 synaptics_old_edge_bottom = synaptics_edge_bottom; 316 } 317 318 if (synaptics_button_pct != synaptics_old_button_pct) { 319 synaptics_button_boundary = synaptics_value( 320 synaptics_button_pct, 321 synaptics_edge_bottom, 322 synaptics_edge_top); 323 synaptics_old_button_pct = synaptics_button_pct; 324 } 325 326 if (synaptics_button_boundary != synaptics_old_button_boundary) { 327 if (synaptics_button_boundary <= synaptics_edge_bottom) { 328 synaptics_button_pct = 0; 329 synaptics_button_boundary = synaptics_edge_bottom; 330 } else if (synaptics_button_boundary >= synaptics_edge_top) { 331 synaptics_button_pct = 100; 332 synaptics_button_boundary = synaptics_edge_top; 333 } else { 334 synaptics_button_pct = synaptics_percentage( 335 synaptics_button_boundary, 336 synaptics_edge_bottom, 337 synaptics_edge_top); 338 } 339 synaptics_old_button_pct = synaptics_button_pct; 340 synaptics_old_button_boundary = synaptics_button_boundary; 341 } 342 343 synaptics_button2 = synaptics_edge_left + 344 (synaptics_edge_right - synaptics_edge_left) / 3; 345 synaptics_button3 = synaptics_edge_left + 346 2 * (synaptics_edge_right - synaptics_edge_left) / 3; 347 348 } 349 350 static void 351 pms_synaptics_probe_extended(struct pms_softc *psc) 352 { 353 struct synaptics_softc *sc = &psc->u.synaptics; 354 u_char resp[3]; 355 int res; 356 357 DPRINTF(10, sc, 358 "synaptics_probe: Capabilities 0x%04x.\n", sc->caps); 359 if (sc->caps & SYNAPTICS_CAP_PASSTHROUGH) 360 sc->flags |= SYN_FLAG_HAS_PASSTHROUGH; 361 362 if (sc->caps & SYNAPTICS_CAP_PALMDETECT) 363 sc->flags |= SYN_FLAG_HAS_PALM_DETECT; 364 365 if (sc->caps & SYNAPTICS_CAP_MULTIDETECT) 366 sc->flags |= SYN_FLAG_HAS_MULTI_FINGER; 367 368 if (sc->caps & SYNAPTICS_CAP_MULTIFINGERREPORT) 369 sc->flags |= SYN_FLAG_HAS_MULTI_FINGER_REPORT; 370 371 /* Ask about extra buttons to detect up/down. */ 372 if ((__SHIFTOUT(sc->caps, SYNAPTICS_CAP_EXTNUM) + 0x08) 373 >= SYNAPTICS_EXTENDED_QUERY) 374 { 375 res = synaptics_special_read(psc, SYNAPTICS_EXTENDED_QUERY, resp); 376 if (res == 0) { 377 sc->num_buttons = (resp[1] >> 4); 378 if (sc->num_buttons > 0) 379 sc->button_mask = sc->button_mask << 380 ((sc->num_buttons + 1) >> 1); 381 382 DPRINTF(10, sc, 383 "Extended Buttons: %d.\n", 384 sc->num_buttons); 385 386 DPRINTF(10, sc, "Extended " 387 "Capabilities: 0x%02x 0x%02x 0x%02x.\n", 388 resp[0], resp[1], resp[2]); 389 if (sc->num_buttons >= 2) { 390 /* Yes. */ 391 sc->flags |= SYN_FLAG_HAS_UP_DOWN_BUTTONS; 392 } 393 if (resp[0] & 0x1) { 394 /* Vertical scroll area */ 395 sc->flags |= SYN_FLAG_HAS_VERTICAL_SCROLL; 396 } 397 if (resp[0] & 0x2) { 398 /* Horizontal scroll area */ 399 sc->flags |= SYN_FLAG_HAS_HORIZONTAL_SCROLL; 400 } 401 if (resp[0] & 0x4) { 402 /* Extended W-Mode */ 403 sc->flags |= SYN_FLAG_HAS_EXTENDED_WMODE; 404 } 405 } 406 } 407 408 /* Ask about click pad */ 409 if ((__SHIFTOUT(sc->caps, SYNAPTICS_CAP_EXTNUM) + 0x08) >= 410 SYNAPTICS_CONTINUED_CAPABILITIES) 411 { 412 res = synaptics_special_read(psc, 413 SYNAPTICS_CONTINUED_CAPABILITIES, resp); 414 415 /* 416 * The following describes response for the 417 * SYNAPTICS_CONTINUED_CAPABILITIES query. 418 * 419 * byte mask name meaning 420 * ---- ---- ------- ------------ 421 * 0 0x01 adjustable threshold capacitive button sensitivity 422 * can be adjusted 423 * 0 0x02 report max query 0x0d gives max coord reported 424 * 0 0x04 clearpad sensor is ClearPad product 425 * 0 0x08 advanced gesture not particularly meaningful 426 * 0 0x10 clickpad bit 0 1-button ClickPad 427 * 0 0x60 multifinger mode identifies firmware finger counting 428 * (not reporting!) algorithm. 429 * Not particularly meaningful 430 * 0 0x80 covered pad W clipped to 14, 15 == pad mostly covered 431 * 1 0x01 clickpad bit 1 2-button ClickPad 432 * 1 0x02 deluxe LED controls touchpad support LED commands 433 * ala multimedia control bar 434 * 1 0x04 reduced filtering firmware does less filtering on 435 * position data, driver should watch 436 * for noise. 437 * 1 0x08 image sensor image sensor tracks 5 fingers, but only 438 * reports 2. 439 * 1 0x10 uniform clickpad whole clickpad moves instead of being 440 * hinged at the top. 441 * 1 0x20 report min query 0x0f gives min coord reported 442 */ 443 if (res == 0) { 444 uint val = SYN_CCAP_VALUE(resp); 445 446 DPRINTF(10, sc, "Continued " 447 "Capabilities 0x%02x 0x%02x 0x%02x.\n", 448 resp[0], resp[1], resp[2]); 449 switch (SYN_CCAP_CLICKPAD_TYPE(val)) { 450 case 0: /* not a clickpad */ 451 break; 452 case 1: 453 sc->flags |= SYN_FLAG_HAS_ONE_BUTTON_CLICKPAD; 454 break; 455 case 2: 456 sc->flags |= SYN_FLAG_HAS_TWO_BUTTON_CLICKPAD; 457 break; 458 case 3: /* reserved */ 459 default: 460 /* unreached */ 461 break; 462 } 463 464 if ((val & SYN_CCAP_HAS_ADV_GESTURE_MODE)) 465 sc->flags |= SYN_FLAG_HAS_ADV_GESTURE_MODE; 466 467 if ((val & SYN_CCAP_REPORT_MAX)) 468 sc->flags |= SYN_FLAG_HAS_MAX_REPORT; 469 470 if ((val & SYN_CCAP_REPORT_MIN)) 471 sc->flags |= SYN_FLAG_HAS_MIN_REPORT; 472 } 473 } 474 } 475 476 static const struct { 477 int bit; 478 const char *desc; 479 } syn_flags[] = { 480 { SYN_FLAG_HAS_EXTENDED_WMODE, "Extended W mode", }, 481 { SYN_FLAG_HAS_PASSTHROUGH, "Passthrough", }, 482 { SYN_FLAG_HAS_MIDDLE_BUTTON, "Middle button", }, 483 { SYN_FLAG_HAS_BUTTONS_4_5, "Buttons 4/5", }, 484 { SYN_FLAG_HAS_UP_DOWN_BUTTONS, "Up/down buttons", }, 485 { SYN_FLAG_HAS_PALM_DETECT, "Palm detect", }, 486 { SYN_FLAG_HAS_ONE_BUTTON_CLICKPAD, "One button click pad", }, 487 { SYN_FLAG_HAS_TWO_BUTTON_CLICKPAD, "Two button click pad", }, 488 { SYN_FLAG_HAS_VERTICAL_SCROLL, "Vertical scroll", }, 489 { SYN_FLAG_HAS_HORIZONTAL_SCROLL, "Horizontal scroll", }, 490 { SYN_FLAG_HAS_MULTI_FINGER_REPORT, "Multi-finger Report", }, 491 { SYN_FLAG_HAS_MULTI_FINGER, "Multi-finger", }, 492 { SYN_FLAG_HAS_MAX_REPORT, "Reports max", }, 493 { SYN_FLAG_HAS_MIN_REPORT, "Reports min", }, 494 }; 495 496 int 497 pms_synaptics_probe_init(void *vsc) 498 { 499 struct pms_softc *psc = vsc; 500 struct synaptics_softc *sc = &psc->u.synaptics; 501 u_char cmd[1], resp[3]; 502 int res, ver_minor, ver_major; 503 struct sysctllog *clog = NULL; 504 505 res = pms_sliced_command(psc->sc_kbctag, psc->sc_kbcslot, 506 SYNAPTICS_IDENTIFY_TOUCHPAD); 507 cmd[0] = PMS_SEND_DEV_STATUS; 508 res |= pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, 1, 3, 509 resp, 0); 510 if (res) { 511 aprint_debug_dev(psc->sc_dev, 512 "synaptics_probe: Identify Touchpad error.\n"); 513 /* 514 * Reset device in case the probe confused it. 515 */ 516 doreset: 517 (void)synaptics_poll_reset(psc); 518 return res; 519 } 520 521 if (resp[1] != SYNAPTICS_MAGIC_BYTE) { 522 aprint_debug_dev(psc->sc_dev, 523 "synaptics_probe: Not synaptics.\n"); 524 res = 1; 525 goto doreset; 526 } 527 528 sc->flags = 0; 529 sc->num_buttons = 0; 530 sc->button_mask = 0xff; 531 532 synaptics_true_edge_right = synaptics_edge_right; 533 synaptics_true_edge_bottom = synaptics_edge_bottom; 534 535 /* Check for minimum version and print a nice message. */ 536 ver_major = resp[2] & 0x0f; 537 ver_minor = resp[0]; 538 aprint_normal_dev(psc->sc_dev, "Synaptics touchpad version %d.%d\n", 539 ver_major, ver_minor); 540 if (ver_major * 10 + ver_minor < SYNAPTICS_MIN_VERSION) { 541 /* No capability query support. */ 542 sc->caps = 0; 543 goto done; 544 } 545 546 /* Query the hardware capabilities. */ 547 res = synaptics_special_read(psc, SYNAPTICS_READ_CAPABILITIES, resp); 548 if (res) { 549 /* Hmm, failed to get capabilities. */ 550 aprint_error_dev(psc->sc_dev, 551 "synaptics_probe: Failed to query capabilities.\n"); 552 goto doreset; 553 } 554 555 sc->caps = SYNAPTICS_CAP_VALUE(resp); 556 557 if (sc->caps & SYNAPTICS_CAP_MBUTTON) 558 sc->flags |= SYN_FLAG_HAS_MIDDLE_BUTTON; 559 560 if (sc->caps & SYNAPTICS_CAP_4BUTTON) 561 sc->flags |= SYN_FLAG_HAS_BUTTONS_4_5; 562 563 if (sc->caps & SYNAPTICS_CAP_EXTENDED) { 564 pms_synaptics_probe_extended(psc); 565 } 566 567 if (sc->flags) { 568 const char comma[] = ", "; 569 const char *sep = ""; 570 aprint_normal_dev(psc->sc_dev, ""); 571 for (size_t f = 0; f < __arraycount(syn_flags); f++) { 572 if (sc->flags & syn_flags[f].bit) { 573 aprint_normal("%s%s", sep, syn_flags[f].desc); 574 sep = comma; 575 } 576 } 577 aprint_normal("\n"); 578 } 579 580 if (sc->flags & SYN_FLAG_HAS_MAX_REPORT) { 581 res = synaptics_special_read(psc, SYNAPTICS_READ_MAX_COORDS, 582 resp); 583 if (res) { 584 aprint_error_dev(psc->sc_dev, 585 "synaptics_probe: Failed to query max coords.\n"); 586 } else { 587 synaptics_edge_right = (resp[0] << 5) + 588 ((resp[1] & 0x0f) << 1); 589 synaptics_edge_top = (resp[2] << 5) + 590 ((resp[1] & 0xf0) >> 3); 591 592 synaptics_true_edge_right = synaptics_edge_right; 593 594 /* 595 * If we have vertical scroll then steal 10% 596 * for that region. 597 */ 598 if (sc->flags & SYN_FLAG_HAS_VERTICAL_SCROLL) 599 synaptics_edge_right -= 600 synaptics_edge_right / 10; 601 602 aprint_normal_dev(psc->sc_dev, 603 "Probed max coordinates right: %d, top: %d\n", 604 synaptics_edge_right, synaptics_edge_top); 605 } 606 } 607 608 if (sc->flags & SYN_FLAG_HAS_MIN_REPORT) { 609 res = synaptics_special_read(psc, SYNAPTICS_READ_MIN_COORDS, 610 resp); 611 if (res) { 612 aprint_error_dev(psc->sc_dev, 613 "synaptics_probe: Failed to query min coords.\n"); 614 } else { 615 synaptics_edge_left = (resp[0] << 5) + 616 ((resp[1] & 0x0f) << 1); 617 synaptics_edge_bottom = (resp[2] << 5) + 618 ((resp[1] & 0xf0) >> 3); 619 620 synaptics_true_edge_bottom = synaptics_edge_bottom; 621 622 /* 623 * If we have horizontal scroll then steal 10% 624 * for that region. 625 */ 626 if (sc->flags & SYN_FLAG_HAS_HORIZONTAL_SCROLL) 627 synaptics_hscroll_pct = 10; 628 629 aprint_normal_dev(psc->sc_dev, 630 "Probed min coordinates left: %d, bottom: %d\n", 631 synaptics_edge_left, synaptics_edge_bottom); 632 } 633 } 634 635 done: 636 pms_synaptics_set_boundaries(); 637 638 pms_sysctl_synaptics(&clog); 639 pckbport_set_inputhandler(psc->sc_kbctag, psc->sc_kbcslot, 640 pms_synaptics_input, psc, device_xname(psc->sc_dev)); 641 642 return (0); 643 } 644 645 void 646 pms_synaptics_enable(void *vsc) 647 { 648 struct pms_softc *psc = vsc; 649 struct synaptics_softc *sc = &psc->u.synaptics; 650 u_char enable_modes; 651 int res, i; 652 653 if (sc->flags & SYN_FLAG_HAS_PASSTHROUGH) { 654 /* 655 * Extended capability probes can confuse the passthrough 656 * device; reset the touchpad now to cure that. 657 */ 658 res = synaptics_poll_reset(psc); 659 } 660 661 /* 662 * Enable Absolute mode with W (width) reporting, and set 663 * the packet rate to maximum (80 packets per second). Enable 664 * extended W mode if supported so we can report second finger 665 * position. 666 */ 667 enable_modes = 668 SYNAPTICS_MODE_ABSOLUTE | SYNAPTICS_MODE_W | SYNAPTICS_MODE_RATE; 669 670 if (sc->flags & SYN_FLAG_HAS_EXTENDED_WMODE) 671 enable_modes |= SYNAPTICS_MODE_EXTENDED_W; 672 673 /* 674 * Synaptics documentation says to disable device before 675 * setting mode. 676 */ 677 synaptics_poll_cmd(psc, PMS_DEV_DISABLE, 0); 678 /* a couple of set scales to clear out pending commands */ 679 for (i = 0; i < 2; i++) 680 synaptics_poll_cmd(psc, PMS_SET_SCALE11, 0); 681 682 res = synaptics_special_write(psc, SYNAPTICS_CMD_SET_MODE2, enable_modes); 683 if (res) 684 device_printf(psc->sc_dev, "set mode error\n"); 685 686 /* a couple of set scales to clear out pending commands */ 687 for (i = 0; i < 2; i++) 688 synaptics_poll_cmd(psc, PMS_SET_SCALE11, 0); 689 690 /* Set advanced gesture mode */ 691 if ((sc->flags & SYN_FLAG_HAS_EXTENDED_WMODE) || 692 (sc->flags & SYN_FLAG_HAS_ADV_GESTURE_MODE)) 693 synaptics_special_write(psc, SYNAPTICS_WRITE_DELUXE_3, 0x3); 694 695 /* Disable motion in the button region for clickpads */ 696 if(sc->flags & SYN_FLAG_HAS_ONE_BUTTON_CLICKPAD) 697 synaptics_button_region_movement = 0; 698 699 sc->up_down = 0; 700 sc->prev_fingers = 0; 701 sc->gesture_start_x = sc->gesture_start_y = 0; 702 sc->gesture_start_packet = 0; 703 sc->gesture_tap_packet = 0; 704 sc->gesture_type = 0; 705 sc->gesture_buttons = 0; 706 sc->total_packets = 0; 707 for (i = 0; i < SYN_MAX_FINGERS; i++) { 708 sc->rem_x[i] = sc->rem_y[i] = sc->rem_z[i] = 0; 709 } 710 sc->button_history = 0; 711 712 /* clear the packet decode structure */ 713 memset(&packet, 0, sizeof(packet)); 714 } 715 716 void 717 pms_synaptics_resume(void *vsc) 718 { 719 (void)synaptics_poll_reset(vsc); 720 } 721 722 static void 723 pms_sysctl_synaptics(struct sysctllog **clog) 724 { 725 int rc, root_num; 726 const struct sysctlnode *node; 727 728 if ((rc = sysctl_createv(clog, 0, NULL, &node, 729 CTLFLAG_PERMANENT, CTLTYPE_NODE, "synaptics", 730 SYSCTL_DESCR("Synaptics touchpad controls"), 731 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 732 goto err; 733 734 root_num = node->sysctl_num; 735 736 if ((rc = sysctl_createv(clog, 0, NULL, &node, 737 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 738 CTLTYPE_INT, "up_down_emulation", 739 SYSCTL_DESCR("Middle button/Z-axis emulation with up/down buttons"), 740 pms_sysctl_synaptics_verify, 0, 741 &synaptics_up_down_emul, 742 0, CTL_HW, root_num, CTL_CREATE, 743 CTL_EOL)) != 0) 744 goto err; 745 746 synaptics_up_down_emul_nodenum = node->sysctl_num; 747 748 if ((rc = sysctl_createv(clog, 0, NULL, &node, 749 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 750 CTLTYPE_INT, "up_down_motion_delta", 751 SYSCTL_DESCR("Up/down button Z-axis emulation rate"), 752 pms_sysctl_synaptics_verify, 0, 753 &synaptics_up_down_motion_delta, 754 0, CTL_HW, root_num, CTL_CREATE, 755 CTL_EOL)) != 0) 756 goto err; 757 758 synaptics_up_down_motion_delta_nodenum = node->sysctl_num; 759 760 if ((rc = sysctl_createv(clog, 0, NULL, &node, 761 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 762 CTLTYPE_INT, "gesture_move", 763 SYSCTL_DESCR("Movement greater than this between taps cancels gesture"), 764 pms_sysctl_synaptics_verify, 0, 765 &synaptics_gesture_move, 766 0, CTL_HW, root_num, CTL_CREATE, 767 CTL_EOL)) != 0) 768 goto err; 769 770 synaptics_gesture_move_nodenum = node->sysctl_num; 771 772 if ((rc = sysctl_createv(clog, 0, NULL, &node, 773 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 774 CTLTYPE_INT, "gesture_length", 775 SYSCTL_DESCR("Time period in which tap is recognised as a gesture"), 776 pms_sysctl_synaptics_verify, 0, 777 &synaptics_gesture_length, 778 0, CTL_HW, root_num, CTL_CREATE, 779 CTL_EOL)) != 0) 780 goto err; 781 782 synaptics_gesture_length_nodenum = node->sysctl_num; 783 784 if ((rc = sysctl_createv(clog, 0, NULL, &node, 785 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 786 CTLTYPE_INT, "edge_left", 787 SYSCTL_DESCR("Define left edge of touchpad"), 788 pms_sysctl_synaptics_verify, 0, 789 &synaptics_edge_left, 790 0, CTL_HW, root_num, CTL_CREATE, 791 CTL_EOL)) != 0) 792 goto err; 793 794 synaptics_edge_left_nodenum = node->sysctl_num; 795 796 if ((rc = sysctl_createv(clog, 0, NULL, &node, 797 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 798 CTLTYPE_INT, "edge_right", 799 SYSCTL_DESCR("Define right edge of touchpad"), 800 pms_sysctl_synaptics_verify, 0, 801 &synaptics_edge_right, 802 0, CTL_HW, root_num, CTL_CREATE, 803 CTL_EOL)) != 0) 804 goto err; 805 806 synaptics_edge_right_nodenum = node->sysctl_num; 807 808 if ((rc = sysctl_createv(clog, 0, NULL, &node, 809 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 810 CTLTYPE_INT, "edge_top", 811 SYSCTL_DESCR("Define top edge of touchpad"), 812 pms_sysctl_synaptics_verify, 0, 813 &synaptics_edge_top, 814 0, CTL_HW, root_num, CTL_CREATE, 815 CTL_EOL)) != 0) 816 goto err; 817 818 synaptics_edge_top_nodenum = node->sysctl_num; 819 820 if ((rc = sysctl_createv(clog, 0, NULL, &node, 821 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 822 CTLTYPE_INT, "edge_bottom", 823 SYSCTL_DESCR("Define bottom edge of touchpad"), 824 pms_sysctl_synaptics_verify, 0, 825 &synaptics_edge_bottom, 826 0, CTL_HW, root_num, CTL_CREATE, 827 CTL_EOL)) != 0) 828 goto err; 829 830 synaptics_edge_bottom_nodenum = node->sysctl_num; 831 832 if ((rc = sysctl_createv(clog, 0, NULL, &node, 833 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 834 CTLTYPE_INT, "edge_motion_delta", 835 SYSCTL_DESCR("Define edge motion rate"), 836 pms_sysctl_synaptics_verify, 0, 837 &synaptics_edge_motion_delta, 838 0, CTL_HW, root_num, CTL_CREATE, 839 CTL_EOL)) != 0) 840 goto err; 841 842 synaptics_edge_motion_delta_nodenum = node->sysctl_num; 843 844 if ((rc = sysctl_createv(clog, 0, NULL, &node, 845 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 846 CTLTYPE_INT, "finger_high", 847 SYSCTL_DESCR("Define finger applied pressure threshold"), 848 pms_sysctl_synaptics_verify, 0, 849 &synaptics_finger_high, 850 0, CTL_HW, root_num, CTL_CREATE, 851 CTL_EOL)) != 0) 852 goto err; 853 854 synaptics_finger_high_nodenum = node->sysctl_num; 855 856 if ((rc = sysctl_createv(clog, 0, NULL, &node, 857 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 858 CTLTYPE_INT, "finger_low", 859 SYSCTL_DESCR("Define finger removed pressure threshold"), 860 pms_sysctl_synaptics_verify, 0, 861 &synaptics_finger_low, 862 0, CTL_HW, root_num, CTL_CREATE, 863 CTL_EOL)) != 0) 864 goto err; 865 866 synaptics_finger_low_nodenum = node->sysctl_num; 867 868 if ((rc = sysctl_createv(clog, 0, NULL, &node, 869 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 870 CTLTYPE_INT, "tap_to_click", 871 SYSCTL_DESCR("Enable tap to click"), 872 pms_sysctl_synaptics_verify, 0, 873 &synaptics_tap_to_click, 874 0, CTL_HW, root_num, CTL_CREATE, 875 CTL_EOL)) != 0) 876 goto err; 877 878 synaptics_tap_to_click_nodenum = node->sysctl_num; 879 880 if ((rc = sysctl_createv(clog, 0, NULL, &node, 881 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 882 CTLTYPE_INT, "two_fingers_emulation", 883 SYSCTL_DESCR("Map two fingers to middle button"), 884 pms_sysctl_synaptics_verify, 0, 885 &synaptics_two_fingers_emul, 886 0, CTL_HW, root_num, CTL_CREATE, 887 CTL_EOL)) != 0) 888 goto err; 889 890 synaptics_two_fingers_emul_nodenum = node->sysctl_num; 891 892 if ((rc = sysctl_createv(clog, 0, NULL, &node, 893 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 894 CTLTYPE_INT, "scale_x", 895 SYSCTL_DESCR("Horizontal movement scale factor"), 896 pms_sysctl_synaptics_verify, 0, 897 &synaptics_scale_x, 898 0, CTL_HW, root_num, CTL_CREATE, 899 CTL_EOL)) != 0) 900 goto err; 901 902 synaptics_scale_x_nodenum = node->sysctl_num; 903 904 if ((rc = sysctl_createv(clog, 0, NULL, &node, 905 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 906 CTLTYPE_INT, "scale_y", 907 SYSCTL_DESCR("Vertical movement scale factor"), 908 pms_sysctl_synaptics_verify, 0, 909 &synaptics_scale_y, 910 0, CTL_HW, root_num, CTL_CREATE, 911 CTL_EOL)) != 0) 912 goto err; 913 914 synaptics_scale_y_nodenum = node->sysctl_num; 915 916 if ((rc = sysctl_createv(clog, 0, NULL, &node, 917 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 918 CTLTYPE_INT, "scale_z", 919 SYSCTL_DESCR("Sroll wheel emulation scale factor"), 920 pms_sysctl_synaptics_verify, 0, 921 &synaptics_scale_z, 922 0, CTL_HW, root_num, CTL_CREATE, 923 CTL_EOL)) != 0) 924 goto err; 925 926 synaptics_scale_z_nodenum = node->sysctl_num; 927 928 if ((rc = sysctl_createv(clog, 0, NULL, &node, 929 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 930 CTLTYPE_INT, "max_speed_x", 931 SYSCTL_DESCR("Horizontal movement maximum speed"), 932 pms_sysctl_synaptics_verify, 0, 933 &synaptics_max_speed_x, 934 0, CTL_HW, root_num, CTL_CREATE, 935 CTL_EOL)) != 0) 936 goto err; 937 938 synaptics_max_speed_x_nodenum = node->sysctl_num; 939 940 if ((rc = sysctl_createv(clog, 0, NULL, &node, 941 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 942 CTLTYPE_INT, "max_speed_y", 943 SYSCTL_DESCR("Vertical movement maximum speed"), 944 pms_sysctl_synaptics_verify, 0, 945 &synaptics_max_speed_y, 946 0, CTL_HW, root_num, CTL_CREATE, 947 CTL_EOL)) != 0) 948 goto err; 949 950 synaptics_max_speed_y_nodenum = node->sysctl_num; 951 952 if ((rc = sysctl_createv(clog, 0, NULL, &node, 953 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 954 CTLTYPE_INT, "max_speed_z", 955 SYSCTL_DESCR("Scroll wheel emulation maximum speed"), 956 pms_sysctl_synaptics_verify, 0, 957 &synaptics_max_speed_z, 958 0, CTL_HW, root_num, CTL_CREATE, 959 CTL_EOL)) != 0) 960 goto err; 961 962 synaptics_max_speed_z_nodenum = node->sysctl_num; 963 964 if ((rc = sysctl_createv(clog, 0, NULL, &node, 965 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 966 CTLTYPE_INT, "movement_threshold", 967 SYSCTL_DESCR("Minimum reported movement threshold"), 968 pms_sysctl_synaptics_verify, 0, 969 &synaptics_movement_threshold, 970 0, CTL_HW, root_num, CTL_CREATE, 971 CTL_EOL)) != 0) 972 goto err; 973 974 synaptics_movement_threshold_nodenum = node->sysctl_num; 975 976 if ((rc = sysctl_createv(clog, 0, NULL, &node, 977 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 978 CTLTYPE_INT, "movement_enable", 979 SYSCTL_DESCR("Enable movement reporting"), 980 pms_sysctl_synaptics_verify, 0, 981 &synaptics_movement_enable, 982 0, CTL_HW, root_num, CTL_CREATE, 983 CTL_EOL)) != 0) 984 goto err; 985 986 synaptics_movement_enable_nodenum = node->sysctl_num; 987 988 if ((rc = sysctl_createv(clog, 0, NULL, &node, 989 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 990 CTLTYPE_INT, "button_region_movement_enable", 991 SYSCTL_DESCR("Enable movement within clickpad button region"), 992 pms_sysctl_synaptics_verify, 0, 993 &synaptics_button_region_movement, 994 0, CTL_HW, root_num, CTL_CREATE, 995 CTL_EOL)) != 0) 996 goto err; 997 998 synaptics_button_region_movement_nodenum = node->sysctl_num; 999 1000 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1001 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1002 CTLTYPE_INT, "button_boundary", 1003 SYSCTL_DESCR("Top edge of button area"), 1004 pms_sysctl_synaptics_verify, 0, 1005 &synaptics_button_boundary, 1006 0, CTL_HW, root_num, CTL_CREATE, 1007 CTL_EOL)) != 0) 1008 goto err; 1009 1010 synaptics_button_boundary_nodenum = node->sysctl_num; 1011 1012 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1013 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1014 CTLTYPE_INT, "button2_edge", 1015 SYSCTL_DESCR("Left edge of button 2 region"), 1016 pms_sysctl_synaptics_verify, 0, 1017 &synaptics_button2, 1018 0, CTL_HW, root_num, CTL_CREATE, 1019 CTL_EOL)) != 0) 1020 goto err; 1021 1022 synaptics_button2_nodenum = node->sysctl_num; 1023 1024 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1025 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1026 CTLTYPE_INT, "button3_edge", 1027 SYSCTL_DESCR("Left edge of button 3 region"), 1028 pms_sysctl_synaptics_verify, 0, 1029 &synaptics_button3, 1030 0, CTL_HW, root_num, CTL_CREATE, 1031 CTL_EOL)) != 0) 1032 goto err; 1033 1034 synaptics_button3_nodenum = node->sysctl_num; 1035 1036 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1037 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1038 CTLTYPE_BOOL, "aux_mid_button_scroll", 1039 SYSCTL_DESCR("Interpret Y-Axis movement with the middle button held as scrolling on the passthrough device (e.g. TrackPoint)"), 1040 pms_sysctl_synaptics_verify, 0, 1041 &synaptics_aux_mid_button_scroll, 1042 0, CTL_HW, root_num, CTL_CREATE, 1043 CTL_EOL)) != 0) 1044 goto err; 1045 1046 synaptics_aux_mid_button_scroll_nodenum = node->sysctl_num; 1047 1048 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1049 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1050 CTLTYPE_INT, "vert_scroll_percent", 1051 SYSCTL_DESCR("Percent of trackpad width to reserve for vertical scroll region"), 1052 pms_sysctl_synaptics_verify, 0, 1053 &synaptics_vscroll_pct, 1054 0, CTL_HW, root_num, CTL_CREATE, 1055 CTL_EOL)) != 0) 1056 goto err; 1057 1058 synaptics_vscroll_pct_nodenum = node->sysctl_num; 1059 1060 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1061 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1062 CTLTYPE_INT, "horizontal_scroll_percent", 1063 SYSCTL_DESCR("Percent of trackpad height to reserve for scroll region"), 1064 pms_sysctl_synaptics_verify, 0, 1065 &synaptics_hscroll_pct, 1066 0, CTL_HW, root_num, CTL_CREATE, 1067 CTL_EOL)) != 0) 1068 goto err; 1069 1070 synaptics_hscroll_pct_nodenum = node->sysctl_num; 1071 1072 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1073 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1074 CTLTYPE_INT, "button_region_percent", 1075 SYSCTL_DESCR("Percent of trackpad height to reserve for button region"), 1076 pms_sysctl_synaptics_verify, 0, 1077 &synaptics_button_pct, 1078 0, CTL_HW, root_num, CTL_CREATE, 1079 CTL_EOL)) != 0) 1080 goto err; 1081 1082 synaptics_button_pct_nodenum = node->sysctl_num; 1083 1084 if ((rc = sysctl_createv(clog, 0, NULL, &node, 1085 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 1086 CTLTYPE_INT, "debug", 1087 SYSCTL_DESCR("Enable debug output"), 1088 NULL, 0, 1089 &synaptics_debug, 1090 0, CTL_HW, root_num, CTL_CREATE, 1091 CTL_EOL)) != 0) 1092 goto err; 1093 1094 return; 1095 1096 err: 1097 aprint_error("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 1098 } 1099 1100 static int 1101 pms_sysctl_synaptics_verify(SYSCTLFN_ARGS) 1102 { 1103 int error, t; 1104 struct sysctlnode node; 1105 1106 node = *rnode; 1107 t = *(int *)rnode->sysctl_data; 1108 node.sysctl_data = &t; 1109 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 1110 if (error || newp == NULL) 1111 return error; 1112 1113 /* Sanity check the params. */ 1114 if (node.sysctl_num == synaptics_up_down_emul_nodenum) { 1115 if (t < 0 || t > 3) 1116 return (EINVAL); 1117 } else 1118 if (node.sysctl_num == synaptics_tap_to_click_nodenum) { 1119 if (t < 0 || t > 1) 1120 return (EINVAL); 1121 } else 1122 if (node.sysctl_num == synaptics_two_fingers_emul_nodenum) { 1123 if (t < 0 || t > 2) 1124 return (EINVAL); 1125 } else 1126 if (node.sysctl_num == synaptics_gesture_length_nodenum || 1127 node.sysctl_num == synaptics_edge_motion_delta_nodenum || 1128 node.sysctl_num == synaptics_up_down_motion_delta_nodenum || 1129 node.sysctl_num == synaptics_max_speed_x_nodenum || 1130 node.sysctl_num == synaptics_max_speed_y_nodenum || 1131 node.sysctl_num == synaptics_max_speed_z_nodenum) { 1132 if (t < 0) 1133 return (EINVAL); 1134 } else 1135 if (node.sysctl_num == synaptics_edge_left_nodenum || 1136 node.sysctl_num == synaptics_edge_bottom_nodenum) { 1137 if (t < 0 || t > (SYNAPTICS_EDGE_MAX / 2)) 1138 return (EINVAL); 1139 } else 1140 if (node.sysctl_num == synaptics_edge_right_nodenum || 1141 node.sysctl_num == synaptics_edge_top_nodenum) { 1142 if (t < (SYNAPTICS_EDGE_MAX / 2)) 1143 return (EINVAL); 1144 } else 1145 if (node.sysctl_num == synaptics_scale_x_nodenum || 1146 node.sysctl_num == synaptics_scale_y_nodenum || 1147 node.sysctl_num == synaptics_scale_z_nodenum) { 1148 if (t < 1 || t > (SYNAPTICS_EDGE_MAX / 4)) 1149 return (EINVAL); 1150 } else 1151 if (node.sysctl_num == synaptics_finger_high_nodenum) { 1152 if (t < 0 || t > SYNAPTICS_FINGER_PALM || 1153 t < synaptics_finger_low) 1154 return (EINVAL); 1155 } else 1156 if (node.sysctl_num == synaptics_finger_low_nodenum) { 1157 if (t < 0 || t > SYNAPTICS_FINGER_PALM || 1158 t > synaptics_finger_high) 1159 return (EINVAL); 1160 } else 1161 if (node.sysctl_num == synaptics_gesture_move_nodenum || 1162 node.sysctl_num == synaptics_movement_threshold_nodenum) { 1163 if (t < 0 || t > (SYNAPTICS_EDGE_MAX / 4)) 1164 return (EINVAL); 1165 } else 1166 if (node.sysctl_num == synaptics_button_boundary_nodenum) { 1167 if (t < 0 || t < synaptics_edge_bottom || 1168 t > synaptics_edge_top) 1169 return (EINVAL); 1170 } else 1171 if (node.sysctl_num == synaptics_button2_nodenum || 1172 node.sysctl_num == synaptics_button3_nodenum) { 1173 if (t < synaptics_edge_left || t > synaptics_edge_right) 1174 return (EINVAL); 1175 } else 1176 if (node.sysctl_num == synaptics_movement_enable_nodenum) { 1177 if (t < 0 || t > 1) 1178 return (EINVAL); 1179 } else 1180 if (node.sysctl_num == synaptics_button_region_movement_nodenum) { 1181 if (t < 0 || t > 1) 1182 return (EINVAL); 1183 } else 1184 if (node.sysctl_num == synaptics_aux_mid_button_scroll_nodenum) { 1185 if (t < 0 || t > 1) 1186 return (EINVAL); 1187 } else 1188 if (node.sysctl_num == synaptics_vscroll_pct_nodenum) { 1189 if (t < 0 || t > 100) 1190 return (EINVAL); 1191 } else 1192 if (node.sysctl_num == synaptics_hscroll_pct_nodenum) { 1193 if (t < 0 || t > 100) 1194 return (EINVAL); 1195 } else 1196 if (node.sysctl_num == synaptics_button_pct_nodenum) { 1197 if (t < 0 || t > 100) 1198 return (EINVAL); 1199 } else 1200 return (EINVAL); 1201 1202 *(int *)rnode->sysctl_data = t; 1203 1204 pms_synaptics_set_boundaries(); 1205 1206 return (0); 1207 } 1208 1209 /* 1210 * Extract the number of fingers from the current packet and return 1211 * it to the caller. 1212 */ 1213 static unsigned 1214 pms_synaptics_get_fingers(struct pms_softc *psc, u_char w, short z) 1215 { 1216 struct synaptics_softc *sc = &psc->u.synaptics; 1217 unsigned short ew_mode; 1218 unsigned fingers; 1219 1220 fingers = 0; 1221 1222 1223 /* 1224 * If w is zero and z says no fingers then return 1225 * no fingers, w == can also mean 2 fingers... confusing. 1226 */ 1227 if (w == 0 && z == SYNAPTICS_FINGER_NONE) 1228 return 0; 1229 1230 if ((sc->flags & SYN_FLAG_HAS_EXTENDED_WMODE) && 1231 (w == SYNAPTICS_WIDTH_EXTENDED_W)) { 1232 ew_mode = psc->packet[5] >> 4; 1233 switch (ew_mode) 1234 { 1235 case SYNAPTICS_EW_WHEEL: 1236 break; 1237 1238 case SYNAPTICS_EW_SECONDARY_FINGER: 1239 /* to get here we must have 2 fingers at least */ 1240 fingers = 2; 1241 break; 1242 1243 case SYNAPTICS_EW_FINGER_STATUS: 1244 fingers = psc->packet[1] & 0x0f; 1245 break; 1246 1247 default: 1248 device_printf(psc->sc_dev, 1249 "invalid extended w mode %d\n", 1250 ew_mode); 1251 return 0; /* pretend there are no fingers */ 1252 } 1253 } else { 1254 1255 fingers = 1; 1256 1257 /* 1258 * If SYN_FLAG_HAS_MULTI_FINGER is set then check 1259 * sp_w is below SYNAPTICS_WIDTH_FINGER_MIN, if it is 1260 * then this will be the finger count. 1261 * 1262 * There are a couple of "special" values otherwise 1263 * just punt with one finger, if this really is a palm 1264 * then it will be caught later. 1265 */ 1266 if (sc->flags & (SYN_FLAG_HAS_MULTI_FINGER | SYN_FLAG_HAS_MULTI_FINGER_REPORT)) { 1267 if (w == SYNAPTICS_WIDTH_TWO_FINGERS) 1268 fingers = 2; 1269 else if (w == SYNAPTICS_WIDTH_THREE_OR_MORE) 1270 fingers = 3; 1271 } 1272 1273 } 1274 1275 return fingers; 1276 } 1277 1278 /* Masks for the first byte of a packet */ 1279 #define PMS_LBUTMASK 0x01 1280 #define PMS_RBUTMASK 0x02 1281 #define PMS_MBUTMASK 0x04 1282 1283 static void 1284 pms_synaptics_parse(struct pms_softc *psc) 1285 { 1286 struct synaptics_softc *sc = &psc->u.synaptics; 1287 struct synaptics_packet nsp; 1288 char new_buttons, ew_mode; 1289 uint8_t btn_mask, packet4, packet5; 1290 unsigned v, primary_finger, secondary_finger; 1291 int ext_left = -1, ext_right = -1, ext_middle = -1, 1292 ext_up = -1, ext_down = -1; 1293 1294 sc->total_packets++; 1295 1296 memcpy(&nsp, &packet, sizeof(packet)); 1297 1298 /* Width of finger */ 1299 nsp.sp_w = ((psc->packet[0] & 0x30) >> 2) 1300 + ((psc->packet[0] & 0x04) >> 1) 1301 + ((psc->packet[3] & 0x04) >> 2); 1302 1303 v = 0; 1304 primary_finger = 0; 1305 secondary_finger = 0; 1306 if ((sc->flags & SYN_FLAG_HAS_EXTENDED_WMODE) && 1307 (nsp.sp_w == SYNAPTICS_WIDTH_EXTENDED_W)) { 1308 ew_mode = psc->packet[5] >> 4; 1309 switch (ew_mode) 1310 { 1311 case SYNAPTICS_EW_WHEEL: 1312 /* scroll wheel report, ignore for now */ 1313 DPRINTF(10, sc, "mouse wheel packet\n"); 1314 return; 1315 1316 case SYNAPTICS_EW_SECONDARY_FINGER: 1317 /* parse the second finger report */ 1318 1319 nsp.sp_secondary = 1; 1320 1321 nsp.sp_sx = ((psc->packet[1] & 0xfe) << 1) 1322 + ((psc->packet[4] & 0x0f) << 9); 1323 nsp.sp_sy = ((psc->packet[2] & 0xfe) << 1) 1324 + ((psc->packet[4] & 0xf0) << 5); 1325 nsp.sp_sz = (psc->packet[3] & 0x30) 1326 + ((psc->packet[5] & 0x0e) << 1); 1327 1328 /* 1329 * Check if the x and y are non-zero that they 1330 * are within the bounds of the trackpad 1331 * otherwise ignore the packet. 1332 */ 1333 if (((nsp.sp_sx != 0) && 1334 ((nsp.sp_sx < synaptics_edge_left) || 1335 (nsp.sp_sx > synaptics_edge_right))) || 1336 ((nsp.sp_sy != 0) && 1337 ((nsp.sp_sy < synaptics_edge_bottom) || 1338 (nsp.sp_sy > synaptics_edge_top)))) { 1339 sc->gesture_type = 0; 1340 sc->gesture_buttons = 0; 1341 sc->total_packets--; 1342 DPRINTF(20, sc, 1343 "synaptics_parse: dropping out of bounds " 1344 "packet sp_sx %d sp_sy %d\n", 1345 nsp.sp_sx, nsp.sp_sy); 1346 return; 1347 } 1348 1349 /* work out the virtual finger width */ 1350 v = 8 + (psc->packet[1] & 0x01) + 1351 ((psc->packet[2] & 0x01) << 1) + 1352 ((psc->packet[5] & 0x01) << 2); 1353 1354 /* keep same buttons down as primary */ 1355 nsp.sp_left = sc->button_history & PMS_LBUTMASK; 1356 nsp.sp_middle = sc->button_history & PMS_MBUTMASK; 1357 nsp.sp_right = sc->button_history & PMS_RBUTMASK; 1358 break; 1359 1360 case SYNAPTICS_EW_FINGER_STATUS: 1361 /* This works but what is it good for? 1362 * it gives us an index of the primary/secondary 1363 * fingers but no other packets pass this 1364 * index. 1365 * 1366 * XXX Park this, possibly handle a finger 1367 * XXX change if indexes change. 1368 */ 1369 primary_finger = psc->packet[2]; 1370 secondary_finger = psc->packet[4]; 1371 nsp.sp_finger_status = 1; 1372 nsp.sp_finger_count = pms_synaptics_get_fingers(psc, 1373 nsp.sp_w, nsp.sp_z); 1374 goto skip_position; 1375 1376 default: 1377 device_printf(psc->sc_dev, 1378 "invalid extended w mode %d\n", 1379 ew_mode); 1380 return; 1381 } 1382 } else { 1383 nsp.sp_primary = 1; 1384 1385 /* 1386 * If the trackpad has external buttons and one of 1387 * those buttons is pressed then the lower bits of 1388 * x and y are "stolen" for button status. We can tell 1389 * this has happened by doing an xor of the two right 1390 * button status bits residing in byte 0 and 3, if the 1391 * result is non-zero then there is an external button 1392 * report and the position bytes need to be masked. 1393 */ 1394 btn_mask = 0xff; 1395 if ((sc->num_buttons > 0) && 1396 ((psc->packet[0] & PMS_RBUTMASK) ^ 1397 (psc->packet[3] & PMS_RBUTMASK))) { 1398 btn_mask = sc->button_mask; 1399 } 1400 1401 packet4 = psc->packet[4] & btn_mask; 1402 packet5 = psc->packet[5] & btn_mask; 1403 1404 /* 1405 * If SYN_FLAG_HAS_MULTI_FINGER is set then check 1406 * sp_w is below SYNAPTICS_WIDTH_FINGER_MIN, if it is 1407 * then this will be the finger count. 1408 * 1409 * There are a couple of "special" values otherwise 1410 * just punt with one finger, if this really is a palm 1411 * then it will be caught later. 1412 */ 1413 if ((sc->flags & SYN_FLAG_HAS_MULTI_FINGER) && 1414 ((nsp.sp_w == SYNAPTICS_WIDTH_TWO_FINGERS) || 1415 (nsp.sp_w == SYNAPTICS_WIDTH_THREE_OR_MORE))) { 1416 /* 1417 * To make life interesting if there are 1418 * two or more fingers on the touchpad then 1419 * the coordinate reporting changes and an extra 1420 * "virtual" finger width is reported. 1421 */ 1422 nsp.sp_x = (packet4 & 0xfc) + 1423 ((packet4 & 0x02) << 1) + 1424 ((psc->packet[1] & 0x0f) << 8) + 1425 ((psc->packet[3] & 0x10) << 8); 1426 1427 nsp.sp_y = (packet5 & 0xfc) + 1428 ((packet5 & 0x02) << 1) + 1429 ((psc->packet[1] & 0xf0) << 4) + 1430 ((psc->packet[3] & 0x20) << 7); 1431 1432 /* Pressure */ 1433 nsp.sp_z = psc->packet[2] & 0xfe; 1434 1435 /* derive the virtual finger width */ 1436 v = 8 + ((packet4 & 0x02) >> 1) + 1437 (packet5 & 0x02) + 1438 ((psc->packet[2] & 0x01) << 2); 1439 1440 } else { 1441 /* Absolute X/Y coordinates of finger */ 1442 nsp.sp_x = packet4 + 1443 ((psc->packet[1] & 0x0f) << 8) + 1444 ((psc->packet[3] & 0x10) << 8); 1445 1446 nsp.sp_y = packet5 + 1447 ((psc->packet[1] & 0xf0) << 4) + 1448 ((psc->packet[3] & 0x20) << 7); 1449 1450 /* Pressure */ 1451 nsp.sp_z = psc->packet[2]; 1452 } 1453 1454 /* 1455 * Check if the x and y are non-zero that they 1456 * are within the bounds of the trackpad 1457 * otherwise ignore the packet. 1458 */ 1459 if (((nsp.sp_x != 0) && 1460 ((nsp.sp_x < synaptics_edge_left) || 1461 (nsp.sp_x > synaptics_edge_right))) || 1462 ((nsp.sp_y != 0) && 1463 ((nsp.sp_y < synaptics_edge_bottom) || 1464 (nsp.sp_y > synaptics_edge_top)))) { 1465 sc->gesture_type = 0; 1466 sc->gesture_buttons = 0; 1467 sc->total_packets--; 1468 DPRINTF(20, sc, 1469 "synaptics_parse: dropping out of bounds packet " 1470 "sp_x %d sp_y %d\n", 1471 nsp.sp_x, nsp.sp_y); 1472 return; 1473 } 1474 1475 nsp.sp_finger_count = pms_synaptics_get_fingers(psc, 1476 nsp.sp_w, nsp.sp_z); 1477 1478 /* 1479 * We don't have extended W so we only know if there 1480 * are multiple fingers on the touchpad, only the primary 1481 * location is reported so just pretend we have an 1482 * unmoving second finger. 1483 */ 1484 if (((sc->flags & SYN_FLAG_HAS_EXTENDED_WMODE) 1485 != SYN_FLAG_HAS_EXTENDED_WMODE) && 1486 (nsp.sp_finger_count > 1)) { 1487 nsp.sp_secondary = 1; 1488 nsp.sp_sx = 0; 1489 nsp.sp_sy = 0; 1490 nsp.sp_sz = 0; 1491 } 1492 1493 if ((psc->packet[0] ^ psc->packet[3]) & 0x02) { 1494 /* extended buttons */ 1495 1496 DPRINTF(10, sc, 1497 "synaptics_parse: %02x %02x %02x %02x %02x %02x\n", 1498 psc->packet[0], psc->packet[1], psc->packet[2], 1499 psc->packet[3], psc->packet[4], psc->packet[5]); 1500 1501 if ((psc->packet[4] & SYN_1BUTMASK) != 0) 1502 ext_left = PMS_LBUTMASK; 1503 else 1504 ext_left = 0; 1505 1506 if ((psc->packet[4] & SYN_3BUTMASK) != 0) 1507 ext_middle = PMS_MBUTMASK; 1508 else 1509 ext_middle = 0; 1510 1511 if ((psc->packet[5] & SYN_2BUTMASK) != 0) 1512 ext_right = PMS_RBUTMASK; 1513 else 1514 ext_right = 0; 1515 1516 if ((psc->packet[5] & SYN_4BUTMASK) != 0) 1517 ext_up = 1; 1518 else 1519 ext_up = 0; 1520 1521 if ((psc->packet[4] & SYN_5BUTMASK) != 0) 1522 ext_down = 1; 1523 else 1524 ext_down = 0; 1525 } else { 1526 /* Left/Right button handling. */ 1527 nsp.sp_left = psc->packet[0] & PMS_LBUTMASK; 1528 nsp.sp_right = psc->packet[0] & PMS_RBUTMASK; 1529 } 1530 1531 /* Up/Down buttons. */ 1532 if (sc->flags & SYN_FLAG_HAS_BUTTONS_4_5) { 1533 /* Old up/down buttons. */ 1534 nsp.sp_up = nsp.sp_left ^ 1535 (psc->packet[3] & PMS_LBUTMASK); 1536 nsp.sp_down = nsp.sp_right ^ 1537 (psc->packet[3] & PMS_RBUTMASK); 1538 } else if (sc->flags & SYN_FLAG_HAS_UP_DOWN_BUTTONS && 1539 ((psc->packet[0] & PMS_RBUTMASK) ^ 1540 (psc->packet[3] & PMS_RBUTMASK))) { 1541 /* New up/down button. */ 1542 nsp.sp_up = psc->packet[4] & SYN_1BUTMASK; 1543 nsp.sp_down = psc->packet[5] & SYN_2BUTMASK; 1544 } else { 1545 nsp.sp_up = 0; 1546 nsp.sp_down = 0; 1547 } 1548 1549 new_buttons = 0; 1550 if(sc->flags & SYN_FLAG_HAS_ONE_BUTTON_CLICKPAD) { 1551 /* This is not correctly specified. Read this button press 1552 * from L/U bit. Emulate 3 buttons by checking the 1553 * coordinates of the click and returning the appropriate 1554 * button code. Outside the button region default to a 1555 * left click. 1556 */ 1557 u_char bstate = (psc->packet[0] ^ psc->packet[3]) 1558 & 0x01; 1559 if (nsp.sp_y < synaptics_button_boundary) { 1560 if (nsp.sp_x > synaptics_button3) { 1561 nsp.sp_right = 1562 bstate ? PMS_RBUTMASK : 0; 1563 } else if (nsp.sp_x > synaptics_button2) { 1564 nsp.sp_middle = 1565 bstate ? PMS_MBUTMASK : 0; 1566 } else { 1567 nsp.sp_left = bstate ? PMS_LBUTMASK : 0; 1568 } 1569 } else 1570 nsp.sp_left = bstate ? 1 : 0; 1571 new_buttons = nsp.sp_left | nsp.sp_middle | nsp.sp_right; 1572 if (new_buttons != sc->button_history) { 1573 if (sc->button_history == 0) 1574 sc->button_history = new_buttons; 1575 else if (new_buttons == 0) { 1576 sc->button_history = 0; 1577 /* ensure all buttons are cleared just in 1578 * case finger comes off in a different 1579 * region. 1580 */ 1581 nsp.sp_left = 0; 1582 nsp.sp_middle = 0; 1583 nsp.sp_right = 0; 1584 } else { 1585 /* make sure we keep the same button even 1586 * if the finger moves to a different 1587 * region. This precludes chording 1588 * but, oh well. 1589 */ 1590 nsp.sp_left = sc->button_history & PMS_LBUTMASK; 1591 nsp.sp_middle = sc->button_history 1592 & PMS_MBUTMASK; 1593 nsp.sp_right = sc->button_history & PMS_RBUTMASK; 1594 } 1595 } 1596 } else if (sc->flags & SYN_FLAG_HAS_MIDDLE_BUTTON) { 1597 /* Old style Middle Button. */ 1598 nsp.sp_middle = (psc->packet[0] & PMS_LBUTMASK) ^ 1599 (psc->packet[3] & PMS_LBUTMASK); 1600 } else { 1601 nsp.sp_middle = 0; 1602 } 1603 1604 /* 1605 * Overlay extended button state if anything changed, 1606 * preserve the state if a button is being held. 1607 */ 1608 if (ext_left != -1) 1609 nsp.sp_left = sc->ext_left = ext_left; 1610 else if (sc->ext_left != 0) 1611 nsp.sp_left = sc->ext_left; 1612 1613 if (ext_right != -1) 1614 nsp.sp_right = sc->ext_right = ext_right; 1615 else if (sc->ext_right != 0) 1616 nsp.sp_right = sc->ext_right; 1617 1618 if (ext_middle != -1) 1619 nsp.sp_middle = sc->ext_middle = ext_middle; 1620 else if (sc->ext_middle != 0) 1621 nsp.sp_middle = sc->ext_middle; 1622 1623 if (ext_up != -1) 1624 nsp.sp_up = sc->ext_up = ext_up; 1625 else if (sc->ext_up != 0) 1626 nsp.sp_up = sc->ext_up; 1627 1628 if (ext_down != -1) 1629 nsp.sp_down = sc->ext_down = ext_down; 1630 else if (sc->ext_down != 0) 1631 nsp.sp_down = sc->ext_down; 1632 1633 switch (synaptics_up_down_emul) { 1634 case 1: 1635 /* Do middle button emulation using up/down buttons */ 1636 nsp.sp_middle = nsp.sp_up | nsp.sp_down; 1637 nsp.sp_up = nsp.sp_down = 0; 1638 break; 1639 case 3: 1640 /* Do left/right button emulation using up/down buttons */ 1641 nsp.sp_left = nsp.sp_left | nsp.sp_up; 1642 nsp.sp_right = nsp.sp_right | nsp.sp_down; 1643 nsp.sp_up = nsp.sp_down = 0; 1644 break; 1645 default: 1646 /* 1647 * Don't do any remapping... 1648 * Z-axis emulation is handled in pms_synaptics_process_packet 1649 */ 1650 break; 1651 } 1652 } 1653 1654 /* set the finger count only if we haven't seen an extended-w 1655 * finger count status 1656 */ 1657 if (nsp.sp_finger_status == 0) 1658 nsp.sp_finger_count = pms_synaptics_get_fingers(psc, nsp.sp_w, 1659 nsp.sp_z); 1660 1661 skip_position: 1662 DPRINTF(20, sc, 1663 "synaptics_parse: sp_x %d sp_y %d sp_z %d, sp_sx %d, sp_sy %d, " 1664 "sp_sz %d, sp_w %d sp_finger_count %d, sp_primary %d, " 1665 "sp_secondary %d, v %d, primary_finger %d, secondary_finger %d\n", 1666 nsp.sp_x, nsp.sp_y, nsp.sp_z, nsp.sp_sx, 1667 nsp.sp_sy, nsp.sp_sz, nsp.sp_w, nsp.sp_finger_count, 1668 nsp.sp_primary, nsp.sp_secondary, v, primary_finger, 1669 secondary_finger); 1670 1671 pms_synaptics_process_packet(psc, &nsp); 1672 1673 /* Clear fingers */ 1674 if ((nsp.sp_primary && nsp.sp_finger_count <= 1) || nsp.sp_secondary) { 1675 nsp.sp_primary = 0; 1676 nsp.sp_secondary = 0; 1677 nsp.sp_finger_status = 0; 1678 } 1679 1680 memcpy(&packet, &nsp, sizeof(packet)); 1681 } 1682 1683 /* 1684 * Passthrough is used for e.g. TrackPoints and additional pointing 1685 * devices connected to a Synaptics touchpad. 1686 */ 1687 static void 1688 pms_synaptics_passthrough(struct pms_softc *psc) 1689 { 1690 int dx, dy, dz; 1691 int buttons, changed; 1692 int s; 1693 1694 buttons = ((psc->packet[1] & PMS_LBUTMASK) ? 0x20 : 0) | 1695 ((psc->packet[1] & PMS_MBUTMASK) ? 0x40 : 0) | 1696 ((psc->packet[1] & PMS_RBUTMASK) ? 0x80 : 0); 1697 1698 dx = psc->packet[4]; 1699 if (dx >= 128) 1700 dx -= 256; 1701 if (dx == -128) 1702 dx = -127; 1703 1704 dy = psc->packet[5]; 1705 if (dy >= 128) 1706 dy -= 256; 1707 if (dy == -128) 1708 dy = -127; 1709 1710 dz = 0; 1711 1712 changed = buttons ^ (psc->buttons & 0xe0); 1713 psc->buttons ^= changed; 1714 1715 if (dx || dy || dz || changed) { 1716 s = spltty(); 1717 /* 1718 * If the middle button is held, interpret movement as 1719 * scrolling. 1720 */ 1721 if (synaptics_aux_mid_button_scroll && 1722 dy && (psc->buttons & 0x42)) { 1723 wsmouse_precision_scroll(psc->sc_wsmousedev, dx, dy); 1724 } else { 1725 buttons = (psc->buttons & 0x1f) | ((psc->buttons >> 5) & 0x7); 1726 wsmouse_input(psc->sc_wsmousedev, 1727 buttons, dx, dy, dz, 0, 1728 WSMOUSE_INPUT_DELTA); 1729 } 1730 splx(s); 1731 } 1732 } 1733 1734 static void 1735 pms_synaptics_input(void *vsc, int data) 1736 { 1737 struct pms_softc *psc = vsc; 1738 struct timeval diff; 1739 1740 if (!psc->sc_enabled) { 1741 /* Interrupts are not expected. Discard the byte. */ 1742 return; 1743 } 1744 1745 getmicrouptime(&psc->current); 1746 1747 if (psc->inputstate > 0) { 1748 timersub(&psc->current, &psc->last, &diff); 1749 if (diff.tv_sec > 0 || diff.tv_usec >= 40000) { 1750 device_printf(psc->sc_dev, 1751 "pms_synaptics_input: unusual delay (%ld.%06ld s), " 1752 "scheduling reset\n", 1753 (long)diff.tv_sec, (long)diff.tv_usec); 1754 psc->inputstate = 0; 1755 psc->sc_enabled = 0; 1756 wakeup(&psc->sc_enabled); 1757 return; 1758 } 1759 } 1760 psc->last = psc->current; 1761 1762 switch (psc->inputstate) { 1763 case -5: 1764 case -4: 1765 case -3: 1766 case -2: 1767 case -1: 1768 case 0: 1769 if ((data & 0xc8) != 0x80) { 1770 device_printf(psc->sc_dev, 1771 "pms_synaptics_input: 0x%02x out of sync\n", data); 1772 /* use negative counts to limit resync phase */ 1773 psc->inputstate--; 1774 return; /* not in sync yet, discard input */ 1775 } 1776 psc->inputstate = 0; 1777 /*FALLTHROUGH*/ 1778 1779 case -6: 1780 case 3: 1781 if ((data & 8) == 8) { 1782 device_printf(psc->sc_dev, 1783 "pms_synaptics_input: dropped in relative mode, reset\n"); 1784 psc->inputstate = 0; 1785 psc->sc_enabled = 0; 1786 wakeup(&psc->sc_enabled); 1787 return; 1788 } 1789 } 1790 if (psc->inputstate >= sizeof(psc->packet)) 1791 panic("inputstate should never be %d", psc->inputstate); 1792 1793 psc->packet[psc->inputstate++] = data & 0xff; 1794 if (psc->inputstate == 6) { 1795 struct synaptics_softc *sc = &psc->u.synaptics; 1796 DPRINTF(10, sc, "synaptics: packet: 0x%02x%02x%02x%02x%02x%02x\n", 1797 psc->packet[0], psc->packet[1], psc->packet[2], 1798 psc->packet[3], psc->packet[4], psc->packet[5]); 1799 /* 1800 * We have a complete packet. 1801 * Extract the pertinent details. 1802 */ 1803 psc->inputstate = 0; 1804 if ((psc->packet[0] & 0xfc) == 0x84 && 1805 (psc->packet[3] & 0xcc) == 0xc4) { 1806 /* W = SYNAPTICS_WIDTH_PASSTHROUGH, PS/2 passthrough */ 1807 pms_synaptics_passthrough(psc); 1808 } else { 1809 pms_synaptics_parse(psc); 1810 } 1811 } 1812 } 1813 1814 static inline int 1815 synaptics_finger_detect(struct synaptics_softc *sc, struct synaptics_packet *sp, 1816 int *palmp) 1817 { 1818 int fingers; 1819 1820 /* Assume no palm */ 1821 *palmp = 0; 1822 1823 /* 1824 * Apply some hysteresis when checking for a finger. 1825 * When the finger is first applied, we ignore it until the 1826 * pressure exceeds the 'high' threshold. The finger is considered 1827 * removed only when pressure falls beneath the 'low' threshold. 1828 */ 1829 if ((sc->prev_fingers == 0 && sp->sp_z > synaptics_finger_high) || 1830 (sc->prev_fingers != 0 && sp->sp_z > synaptics_finger_low)) 1831 fingers = 1; 1832 else 1833 fingers = 0; 1834 1835 /* 1836 * If the pad can't do palm detection, skip the rest. 1837 */ 1838 if (fingers == 0 || (sc->flags & SYN_FLAG_HAS_PALM_DETECT) == 0) 1839 return (fingers); 1840 1841 /* 1842 * Palm detection 1843 */ 1844 if (sp->sp_z > SYNAPTICS_FINGER_FLAT && 1845 sp->sp_w >= SYNAPTICS_WIDTH_PALM_MIN) 1846 *palmp = 1; 1847 1848 if (sc->prev_fingers == 0 && 1849 (sp->sp_z > SYNAPTICS_FINGER_FLAT || 1850 sp->sp_w >= SYNAPTICS_WIDTH_PALM_MIN)) { 1851 /* 1852 * Contact area or pressure is too great to be a finger. 1853 * Just ignore it for now. 1854 */ 1855 return (0); 1856 } 1857 1858 /* 1859 * Detect 2 and 3 fingers if supported, but only if multiple 1860 * fingers appear within the tap gesture time period. 1861 */ 1862 if ((sc->flags & SYN_FLAG_HAS_MULTI_FINGER) && 1863 ((SYN_TIME(sc, sc->gesture_start_packet) 1864 < synaptics_gesture_length) || 1865 SYN_TIME(sc, sc->gesture_start_packet) 1866 < synaptics_gesture_length)) { 1867 switch (sp->sp_w) { 1868 case SYNAPTICS_WIDTH_TWO_FINGERS: 1869 fingers = 2; 1870 break; 1871 1872 case SYNAPTICS_WIDTH_THREE_OR_MORE: 1873 fingers = 3; 1874 break; 1875 1876 default: 1877 /* 1878 * The width value can report spurious single-finger 1879 * events after a multi-finger event. 1880 */ 1881 fingers = sc->prev_fingers <= 1 ? 1 : sc->prev_fingers; 1882 break; 1883 } 1884 } 1885 1886 return (fingers); 1887 } 1888 1889 static inline void 1890 synaptics_gesture_detect(struct synaptics_softc *sc, 1891 struct synaptics_packet *sp, int fingers) 1892 { 1893 int gesture_len, gesture_buttons; 1894 int set_buttons; 1895 1896 gesture_len = SYN_TIME(sc, sc->gesture_start_packet); 1897 gesture_buttons = sc->gesture_buttons; 1898 1899 if (fingers > 0 && (fingers == sc->prev_fingers)) { 1900 /* Finger is still present */ 1901 sc->gesture_move_x = abs(sc->gesture_start_x - sp->sp_x); 1902 sc->gesture_move_y = abs(sc->gesture_start_y - sp->sp_y); 1903 } else 1904 if (fingers && sc->prev_fingers == 0) { 1905 /* 1906 * Finger was just applied. 1907 * If the previous gesture was a single-click, set things 1908 * up to deal with a possible drag or double-click gesture. 1909 * Basically, if the finger is removed again within 1910 * 'synaptics_gesture_length' packets, this is treated 1911 * as a double-click. Otherwise we will emulate holding 1912 * the left button down whilst dragging the mouse. 1913 */ 1914 if (SYN_IS_SINGLE_TAP(sc->gesture_type)) 1915 sc->gesture_type |= SYN_GESTURE_DRAG; 1916 1917 sc->gesture_start_x = abs(sp->sp_x); 1918 sc->gesture_start_y = abs(sp->sp_y); 1919 sc->gesture_move_x = 0; 1920 sc->gesture_move_y = 0; 1921 sc->gesture_start_packet = sc->total_packets; 1922 1923 DPRINTF(10, sc, "Finger applied:" 1924 " gesture_start_x: %d" 1925 " gesture_start_y: %d\n", 1926 sc->gesture_start_x, sc->gesture_start_y); 1927 } else 1928 if (fingers == 0 && sc->prev_fingers != 0) { 1929 /* 1930 * Finger was just removed. 1931 * Check if the contact time and finger movement were 1932 * small enough to qualify as a gesture. 1933 * Ignore finger movement if multiple fingers were 1934 * detected (the pad may report coordinates for any 1935 * of the fingers). 1936 */ 1937 1938 DPRINTF(10, sc, "Finger removed: gesture_len: %d (%d)\n", 1939 gesture_len, synaptics_gesture_length); 1940 DPRINTF(10, sc, "gesture_move_x: %d (%d) sp_x: %d\n", 1941 sc->gesture_move_x, synaptics_gesture_move, abs(sp->sp_x)); 1942 DPRINTF(10, sc, "gesture_move_y: %d (%d) sp_y: %d\n", 1943 sc->gesture_move_y, synaptics_gesture_move, abs(sp->sp_y)); 1944 1945 if (gesture_len < synaptics_gesture_length && 1946 ((sc->gesture_move_x < synaptics_gesture_move && 1947 sc->gesture_move_y < synaptics_gesture_move))) { 1948 /* 1949 * Looking good so far. 1950 */ 1951 if (SYN_IS_DRAG(sc->gesture_type)) { 1952 /* 1953 * Promote this gesture to double-click. 1954 */ 1955 sc->gesture_type |= SYN_GESTURE_DOUBLE; 1956 sc->gesture_type &= ~SYN_GESTURE_SINGLE; 1957 } else { 1958 /* 1959 * Single tap gesture. Set the tap length timer 1960 * and flag a single-click. 1961 */ 1962 sc->gesture_tap_packet = sc->total_packets; 1963 sc->gesture_type |= SYN_GESTURE_SINGLE; 1964 1965 /* 1966 * The gesture can be modified depending on 1967 * the number of fingers detected. 1968 * 1969 * 1: Normal left button emulation. 1970 * 2: Either middle button or right button 1971 * depending on the value of the two_fingers 1972 * sysctl variable. 1973 * 3: Right button. 1974 */ 1975 switch (sc->prev_fingers) { 1976 case 2: 1977 if (synaptics_two_fingers_emul == 1) 1978 gesture_buttons |= PMS_RBUTMASK; 1979 else 1980 if (synaptics_two_fingers_emul == 2) 1981 gesture_buttons |= PMS_MBUTMASK; 1982 break; 1983 case 3: 1984 gesture_buttons |= PMS_RBUTMASK; 1985 break; 1986 default: 1987 gesture_buttons |= PMS_LBUTMASK; 1988 break; 1989 } 1990 } 1991 } 1992 1993 /* 1994 * Always clear drag state when the finger is removed. 1995 */ 1996 sc->gesture_type &= ~SYN_GESTURE_DRAG; 1997 } 1998 1999 if (sc->gesture_type == 0) { 2000 /* 2001 * There is no gesture in progress. 2002 * Clear emulated button state. 2003 */ 2004 sc->gesture_buttons = 0; 2005 return; 2006 } 2007 2008 /* 2009 * A gesture is in progress. 2010 */ 2011 set_buttons = 0; 2012 2013 if (SYN_IS_SINGLE_TAP(sc->gesture_type)) { 2014 /* 2015 * Single-click. 2016 * Activate the relevant button(s) until the 2017 * gesture tap timer has expired. 2018 */ 2019 if (SYN_TIME(sc, sc->gesture_tap_packet) < 2020 synaptics_gesture_length) 2021 set_buttons = 1; 2022 else 2023 sc->gesture_type &= ~SYN_GESTURE_SINGLE; 2024 DPRINTF(10, sc, "synaptics_gesture: single tap, buttons %d\n", 2025 set_buttons); 2026 DPRINTF(10, sc, "synaptics_gesture: single tap, tap at %d, current %d\n", 2027 sc->gesture_tap_packet, sc->total_packets); 2028 DPRINTF(10, sc, "synaptics_gesture: single tap, tap_time %d, gesture len %d\n", 2029 SYN_TIME(sc, sc->gesture_tap_packet), synaptics_gesture_length); 2030 } else 2031 if (SYN_IS_DOUBLE_TAP(sc->gesture_type) && sc->prev_fingers == 0) { 2032 /* 2033 * Double-click. 2034 * Activate the relevant button(s) once. 2035 */ 2036 set_buttons = 1; 2037 sc->gesture_type &= ~SYN_GESTURE_DOUBLE; 2038 } 2039 2040 if (set_buttons || SYN_IS_DRAG(sc->gesture_type)) { 2041 /* 2042 * Single-click and drag. 2043 * Maintain button state until the finger is removed. 2044 */ 2045 sp->sp_left |= gesture_buttons & PMS_LBUTMASK; 2046 sp->sp_right |= gesture_buttons & PMS_RBUTMASK; 2047 sp->sp_middle |= gesture_buttons & PMS_MBUTMASK; 2048 } 2049 2050 sc->gesture_buttons = gesture_buttons; 2051 } 2052 2053 static inline int 2054 synaptics_filter_policy(struct synaptics_softc *sc, int finger, int *history, 2055 int value, u_int count) 2056 { 2057 int a, b, rv; 2058 2059 /* 2060 * Once we've accumulated at least SYN_HIST_SIZE values, combine 2061 * each new value with the previous two and return the average. 2062 * 2063 * This is necessary when the touchpad is operating in 80 packets 2064 * per second mode, as it performs little internal filtering on 2065 * reported values. 2066 * 2067 * Using a rolling average helps to filter out jitter caused by 2068 * tiny finger movements. 2069 */ 2070 if (count >= SYN_HIST_SIZE) { 2071 a = (history[(count - 2) % SYN_HIST_SIZE] + 2072 history[(count - 1) % SYN_HIST_SIZE]) / 2; 2073 2074 b = (value + history[(count - 1) % SYN_HIST_SIZE]) / 2; 2075 2076 rv = b - a; 2077 2078 /* 2079 * Don't report the movement if it's below a certain 2080 * threshold. 2081 */ 2082 if (abs(rv) < synaptics_movement_threshold) 2083 rv = 0; 2084 } else 2085 rv = 0; 2086 2087 /* 2088 * Add the new value to the history buffer. 2089 */ 2090 history[(count + 0) % SYN_HIST_SIZE] = value; 2091 2092 return (rv); 2093 } 2094 2095 /* Edge detection */ 2096 #define SYN_EDGE_TOP 1 2097 #define SYN_EDGE_BOTTOM 2 2098 #define SYN_EDGE_LEFT 4 2099 #define SYN_EDGE_RIGHT 8 2100 2101 static inline int 2102 synaptics_check_edge(int x, int y) 2103 { 2104 int rv = 0; 2105 2106 if (x < synaptics_edge_left) 2107 rv |= SYN_EDGE_LEFT; 2108 else 2109 if (x > synaptics_edge_right) 2110 rv |= SYN_EDGE_RIGHT; 2111 2112 if (y < synaptics_edge_bottom) 2113 rv |= SYN_EDGE_BOTTOM; 2114 else 2115 if (y > synaptics_edge_top) 2116 rv |= SYN_EDGE_TOP; 2117 2118 return (rv); 2119 } 2120 2121 static inline int 2122 synaptics_edge_motion(struct synaptics_softc *sc, int delta, int dir) 2123 { 2124 2125 /* 2126 * When edge motion is enabled, synaptics_edge_motion_delta is 2127 * combined with the current delta, together with the direction 2128 * in which to simulate the motion. The result is added to 2129 * the delta derived from finger movement. This provides a smooth 2130 * transition from finger movement to edge motion. 2131 */ 2132 delta = synaptics_edge_motion_delta + (dir * delta); 2133 if (delta < 0) 2134 return (0); 2135 if (delta > synaptics_edge_motion_delta) 2136 return (synaptics_edge_motion_delta); 2137 return (delta); 2138 } 2139 2140 static inline int 2141 synaptics_scale(int delta, int scale, int *remp) 2142 { 2143 int rv; 2144 2145 /* 2146 * Scale the raw delta in Synaptics coordinates (0-6143) into 2147 * something more reasonable by dividing the raw delta by a 2148 * scale factor. Any remainder from the previous scale result 2149 * is added to the current delta before scaling. 2150 * This prevents loss of resolution for very small/slow 2151 * movements of the finger. 2152 */ 2153 delta += *remp; 2154 rv = delta / scale; 2155 *remp = delta % scale; 2156 2157 return (rv); 2158 } 2159 2160 static inline void 2161 synaptics_movement(struct synaptics_softc *sc, struct synaptics_packet *sp, 2162 int *dxp, int *dyp, int *dzp, int *sdxp, int *sdyp, int *sdzp) 2163 { 2164 int dx, dy, dz, sdx, sdy, sdz, edge; 2165 2166 dx = dy = dz = sdx = sdy = sdz = 0; 2167 2168 /* 2169 * Compute the next values of dx, dy, dz, sdx, sdy, sdz. 2170 */ 2171 dx = synaptics_filter_policy(sc, 0, 2172 sc->history_x[SYN_PRIMARY_FINGER], sp->sp_x, 2173 sc->packet_count[SYN_PRIMARY_FINGER]); 2174 dy = synaptics_filter_policy(sc, 0, 2175 sc->history_y[SYN_PRIMARY_FINGER], sp->sp_y, 2176 sc->packet_count[SYN_PRIMARY_FINGER]); 2177 sc->packet_count[SYN_PRIMARY_FINGER]++; 2178 2179 if (sp->sp_finger_count > 1) { 2180 sdx = synaptics_filter_policy(sc, 1, 2181 sc->history_x[SYN_SECONDARY_FINGER], sp->sp_sx, 2182 sc->packet_count[SYN_SECONDARY_FINGER]); 2183 sdy = synaptics_filter_policy(sc, 1, 2184 sc->history_y[SYN_SECONDARY_FINGER], sp->sp_sy, 2185 sc->packet_count[SYN_SECONDARY_FINGER]); 2186 sc->packet_count[SYN_SECONDARY_FINGER]++; 2187 DPRINTF(10, sc, "synaptics_movement: dx %d dy %d sdx %d sdy %d\n", 2188 dx, dy, sdx, sdy); 2189 } 2190 2191 /* 2192 * If we're dealing with a drag gesture, and the finger moves to 2193 * the edge of the touchpad, apply edge motion emulation if it 2194 * is enabled. 2195 */ 2196 if (synaptics_edge_motion_delta && SYN_IS_DRAG(sc->gesture_type)) { 2197 edge = synaptics_check_edge(sp->sp_x, sp->sp_y); 2198 2199 if (edge & SYN_EDGE_LEFT) 2200 dx -= synaptics_edge_motion(sc, dx, 1); 2201 if (edge & SYN_EDGE_RIGHT) 2202 dx += synaptics_edge_motion(sc, dx, -1); 2203 if (edge & SYN_EDGE_BOTTOM) 2204 dy -= synaptics_edge_motion(sc, dy, 1); 2205 if (edge & SYN_EDGE_TOP) 2206 dy += synaptics_edge_motion(sc, dy, -1); 2207 2208 if (sp->sp_finger_count > 1) { 2209 edge = synaptics_check_edge(sp->sp_sx, sp->sp_sy); 2210 2211 if (edge & SYN_EDGE_LEFT) 2212 sdx -= synaptics_edge_motion(sc, sdx, 1); 2213 if (edge & SYN_EDGE_RIGHT) 2214 sdx += synaptics_edge_motion(sc, sdx, -1); 2215 if (edge & SYN_EDGE_BOTTOM) 2216 sdy -= synaptics_edge_motion(sc, sdy, 1); 2217 if (edge & SYN_EDGE_TOP) 2218 sdy += synaptics_edge_motion(sc, sdy, -1); 2219 } 2220 } 2221 2222 /* 2223 * Apply scaling to the deltas 2224 */ 2225 dx = synaptics_scale(dx, synaptics_scale_x, 2226 &sc->rem_x[SYN_PRIMARY_FINGER]); 2227 dy = synaptics_scale(dy, synaptics_scale_y, 2228 &sc->rem_y[SYN_PRIMARY_FINGER]); 2229 dz = synaptics_scale(dz, synaptics_scale_z, 2230 &sc->rem_z[SYN_PRIMARY_FINGER]); 2231 2232 if (sp->sp_finger_count > 1) { 2233 sdx = synaptics_scale(sdx, synaptics_scale_x, 2234 &sc->rem_x[SYN_SECONDARY_FINGER]); 2235 sdy = synaptics_scale(sdy, synaptics_scale_y, 2236 &sc->rem_y[SYN_SECONDARY_FINGER]); 2237 sdz = synaptics_scale(sdz, synaptics_scale_z, 2238 &sc->rem_z[SYN_SECONDARY_FINGER]); 2239 2240 DPRINTF(10, sc, 2241 "synaptics_movement 2: dx %d dy %d sdx %d sdy %d\n", 2242 dx, dy, sdx, sdy); 2243 } 2244 2245 /* 2246 * Clamp deltas to specified maximums. 2247 */ 2248 if (abs(dx) > synaptics_max_speed_x) 2249 dx = ((dx >= 0)? 1 : -1) * synaptics_max_speed_x; 2250 if (abs(dy) > synaptics_max_speed_y) 2251 dy = ((dy >= 0)? 1 : -1) * synaptics_max_speed_y; 2252 if (abs(dz) > synaptics_max_speed_z) 2253 dz = ((dz >= 0)? 1 : -1) * synaptics_max_speed_z; 2254 2255 if (sp->sp_finger_count > 1) { 2256 if (abs(sdx) > synaptics_max_speed_x) 2257 sdx = ((sdx >= 0)? 1 : -1) * synaptics_max_speed_x; 2258 if (abs(dy) > synaptics_max_speed_y) 2259 sdy = ((sdy >= 0)? 1 : -1) * synaptics_max_speed_y; 2260 if (abs(sdz) > synaptics_max_speed_z) 2261 sdz = ((sdz >= 0)? 1 : -1) * synaptics_max_speed_z; 2262 } 2263 2264 *dxp = dx; 2265 *dyp = dy; 2266 *dzp = dz; 2267 *sdxp = sdx; 2268 *sdyp = sdy; 2269 *sdzp = sdz; 2270 2271 } 2272 2273 static void 2274 pms_synaptics_process_packet(struct pms_softc *psc, struct synaptics_packet *sp) 2275 { 2276 struct synaptics_softc *sc = &psc->u.synaptics; 2277 int dx, dy, dz, sdx, sdy, sdz; 2278 int fingers, palm, buttons, changed; 2279 int s; 2280 2281 sdx = sdy = sdz = 0; 2282 2283 /* 2284 * Do Z-axis emulation using up/down buttons if required. 2285 * Note that the pad will send a one second burst of packets 2286 * when an up/down button is pressed and held. At the moment 2287 * we don't deal with auto-repeat, so convert the burst into 2288 * a one-shot. 2289 */ 2290 dz = 0; 2291 if (synaptics_up_down_emul == 2) { 2292 if (sc->up_down == 0) { 2293 if (sp->sp_up && sp->sp_down) { 2294 sp->sp_middle = 1; 2295 } else if (sp->sp_up) { 2296 dz = -synaptics_up_down_motion_delta; 2297 } else if (sp->sp_down) { 2298 dz = synaptics_up_down_motion_delta; 2299 } 2300 } 2301 2302 sc->up_down = sp->sp_up | sp->sp_down; 2303 sp->sp_up = sp->sp_down = 0; 2304 } 2305 2306 /* 2307 * Determine whether or not a finger is on the pad. 2308 * On some pads, this will return the number of fingers 2309 * detected. 2310 */ 2311 fingers = synaptics_finger_detect(sc, sp, &palm); 2312 2313 /* 2314 * Do gesture processing only if we didn't detect a palm. 2315 */ 2316 if (palm == 0 && synaptics_tap_to_click) 2317 synaptics_gesture_detect(sc, sp, fingers); 2318 else 2319 sc->gesture_type = sc->gesture_buttons = 0; 2320 2321 /* 2322 * Determine what buttons to report 2323 */ 2324 buttons = (sp->sp_left ? 0x1 : 0) | 2325 (sp->sp_middle ? 0x2 : 0) | 2326 (sp->sp_right ? 0x4 : 0) | 2327 (sp->sp_up ? 0x8 : 0) | 2328 (sp->sp_down ? 0x10 : 0); 2329 changed = buttons ^ (psc->buttons & 0x1f); 2330 psc->buttons ^= changed; 2331 2332 sc->prev_fingers = fingers; 2333 2334 /* 2335 * Do movement processing IFF we have a single finger and no palm or 2336 * a secondary finger and no palm. 2337 */ 2338 if (palm == 0 && synaptics_movement_enable) { 2339 if (fingers > 0) { 2340 synaptics_movement(sc, sp, &dx, &dy, &dz, &sdx, &sdy, 2341 &sdz); 2342 2343 /* 2344 * Check if there are two fingers, if there are then 2345 * check if we have a clickpad, if we do then we 2346 * don't scroll iff one of the fingers is in the 2347 * button region. Otherwise interpret as a scroll 2348 */ 2349 if (sp->sp_finger_count >= 2 && sc->gesture_type == 0 ) { 2350 if (!(sc->flags & SYN_FLAG_HAS_ONE_BUTTON_CLICKPAD) || 2351 ((sc->flags & SYN_FLAG_HAS_ONE_BUTTON_CLICKPAD) && 2352 (sp->sp_y > synaptics_button_boundary) && 2353 (sp->sp_sy > synaptics_button_boundary))) { 2354 s = spltty(); 2355 wsmouse_precision_scroll( 2356 psc->sc_wsmousedev, dx, dy); 2357 splx(s); 2358 return; 2359 } 2360 } 2361 2362 /* 2363 * Allow user to turn off movements in the button 2364 * region of a click pad. 2365 */ 2366 if (sc->flags & SYN_FLAG_HAS_ONE_BUTTON_CLICKPAD) { 2367 if ((sp->sp_y < synaptics_button_boundary) && 2368 (!synaptics_button_region_movement)) { 2369 dx = dy = dz = 0; 2370 } 2371 2372 if ((sp->sp_sy < synaptics_button_boundary) && 2373 (!synaptics_button_region_movement)) { 2374 sdx = sdy = sdz = 0; 2375 } 2376 } 2377 2378 /* Now work out which finger to report, just 2379 * go with the one that has moved the most. 2380 */ 2381 if ((abs(dx) + abs(dy) + abs(dz)) < 2382 (abs(sdx) + abs(sdy) + abs(sdz))) { 2383 /* secondary finger wins */ 2384 dx = sdx; 2385 dy = sdy; 2386 dz = sdz; 2387 } 2388 } else { 2389 /* 2390 * No valid finger. Therefore no movement. 2391 */ 2392 sc->rem_x[SYN_PRIMARY_FINGER] = 0; 2393 sc->rem_y[SYN_PRIMARY_FINGER] = 0; 2394 sc->rem_x[SYN_SECONDARY_FINGER] = 0; 2395 sc->rem_y[SYN_SECONDARY_FINGER] = 0; 2396 dx = dy = 0; 2397 2398 sc->packet_count[SYN_PRIMARY_FINGER] = 0; 2399 sc->packet_count[SYN_SECONDARY_FINGER] = 0; 2400 } 2401 } else { 2402 /* 2403 * No valid finger. Therefore no movement. 2404 */ 2405 sc->rem_x[SYN_PRIMARY_FINGER] = 0; 2406 sc->rem_y[SYN_PRIMARY_FINGER] = 0; 2407 sc->rem_z[SYN_PRIMARY_FINGER] = 0; 2408 dx = dy = dz = 0; 2409 } 2410 2411 DPRINTF(10, sc, 2412 "pms_synaptics_process_packet: dx %d dy %d dz %d sdx %d sdy %d sdz %d\n", 2413 dx, dy, dz, sdx, sdy, sdz); 2414 2415 /* 2416 * Pass the final results up to wsmouse_input() if necessary. 2417 */ 2418 if (dx || dy || dz || changed) { 2419 buttons = (psc->buttons & 0x1f) | ((psc->buttons >> 5) & 0x7); 2420 s = spltty(); 2421 wsmouse_input(psc->sc_wsmousedev, 2422 buttons, 2423 dx, dy, dz, 0, 2424 WSMOUSE_INPUT_DELTA); 2425 splx(s); 2426 } 2427 } 2428
Indexes created Sun Oct 25 00:26:45 UTC 2026