synaptics.c revision 1.30.4.1
1 /* $NetBSD: synaptics.c,v 1.30.4.1 2014/05/18 17:45:45 rmind 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 1.30.4.1 2014/05/18 17:45:45 rmind 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 u_char sp_w; /* W (contact patch width) */ 83 char sp_left; /* Left mouse button status */ 84 char sp_right; /* Right mouse button status */ 85 char sp_middle; /* Middle button status (possibly emulated) */ 86 char sp_up; /* Up button status */ 87 char sp_down; /* Down button status */ 88 }; 89 90 static void pms_synaptics_input(void *, int); 91 static void pms_synaptics_process_packet(struct pms_softc *, 92 struct synaptics_packet *); 93 static void pms_sysctl_synaptics(struct sysctllog **); 94 static int pms_sysctl_synaptics_verify(SYSCTLFN_ARGS); 95 96 /* Controlled by sysctl. */ 97 static int synaptics_up_down_emul = 2; 98 static int synaptics_up_down_motion_delta = 1; 99 static int synaptics_gesture_move = 200; 100 static int synaptics_gesture_length = 20; 101 static int synaptics_edge_left = SYNAPTICS_EDGE_LEFT; 102 static int synaptics_edge_right = SYNAPTICS_EDGE_RIGHT; 103 static int synaptics_edge_top = SYNAPTICS_EDGE_TOP; 104 static int synaptics_edge_bottom = SYNAPTICS_EDGE_BOTTOM; 105 static int synaptics_edge_motion_delta = 32; 106 static u_int synaptics_finger_high = SYNAPTICS_FINGER_LIGHT + 5; 107 static u_int synaptics_finger_low = SYNAPTICS_FINGER_LIGHT - 10; 108 static int synaptics_two_fingers_emul = 0; 109 static int synaptics_scale_x = 16; 110 static int synaptics_scale_y = 16; 111 static int synaptics_max_speed_x = 32; 112 static int synaptics_max_speed_y = 32; 113 static int synaptics_movement_threshold = 4; 114 115 /* Sysctl nodes. */ 116 static int synaptics_up_down_emul_nodenum; 117 static int synaptics_up_down_motion_delta_nodenum; 118 static int synaptics_gesture_move_nodenum; 119 static int synaptics_gesture_length_nodenum; 120 static int synaptics_edge_left_nodenum; 121 static int synaptics_edge_right_nodenum; 122 static int synaptics_edge_top_nodenum; 123 static int synaptics_edge_bottom_nodenum; 124 static int synaptics_edge_motion_delta_nodenum; 125 static int synaptics_finger_high_nodenum; 126 static int synaptics_finger_low_nodenum; 127 static int synaptics_two_fingers_emul_nodenum; 128 static int synaptics_scale_x_nodenum; 129 static int synaptics_scale_y_nodenum; 130 static int synaptics_max_speed_x_nodenum; 131 static int synaptics_max_speed_y_nodenum; 132 static int synaptics_movement_threshold_nodenum; 133 134 int 135 pms_synaptics_probe_init(void *vsc) 136 { 137 struct pms_softc *psc = vsc; 138 struct synaptics_softc *sc = &psc->u.synaptics; 139 u_char cmd[1], resp[3]; 140 int res, ver_minor, ver_major; 141 struct sysctllog *clog = NULL; 142 143 res = pms_sliced_command(psc->sc_kbctag, psc->sc_kbcslot, 144 SYNAPTICS_IDENTIFY_TOUCHPAD); 145 cmd[0] = PMS_SEND_DEV_STATUS; 146 res |= pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, 1, 3, 147 resp, 0); 148 if (res) { 149 aprint_debug_dev(psc->sc_dev, 150 "synaptics_probe: Identify Touchpad error.\n"); 151 /* 152 * Reset device in case the probe confused it. 153 */ 154 doreset: 155 cmd[0] = PMS_RESET; 156 (void) pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, 157 1, 2, resp, 1); 158 return (res); 159 } 160 161 if (resp[1] != SYNAPTICS_MAGIC_BYTE) { 162 aprint_debug_dev(psc->sc_dev, 163 "synaptics_probe: Not synaptics.\n"); 164 res = 1; 165 goto doreset; 166 } 167 168 sc->flags = 0; 169 170 /* Check for minimum version and print a nice message. */ 171 ver_major = resp[2] & 0x0f; 172 ver_minor = resp[0]; 173 aprint_normal_dev(psc->sc_dev, "Synaptics touchpad version %d.%d\n", 174 ver_major, ver_minor); 175 if (ver_major * 10 + ver_minor < SYNAPTICS_MIN_VERSION) { 176 /* No capability query support. */ 177 sc->caps = 0; 178 goto done; 179 } 180 181 /* Query the hardware capabilities. */ 182 res = pms_sliced_command(psc->sc_kbctag, psc->sc_kbcslot, 183 SYNAPTICS_READ_CAPABILITIES); 184 cmd[0] = PMS_SEND_DEV_STATUS; 185 res |= pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, 1, 3, 186 resp, 0); 187 if (res) { 188 /* Hmm, failed to get capabilites. */ 189 aprint_error_dev(psc->sc_dev, 190 "synaptics_probe: Failed to query capabilities.\n"); 191 goto doreset; 192 } 193 194 sc->caps = (resp[0] << 8) | resp[2]; 195 196 if (sc->caps & SYNAPTICS_CAP_MBUTTON) 197 sc->flags |= SYN_FLAG_HAS_MIDDLE_BUTTON; 198 199 if (sc->caps & SYNAPTICS_CAP_4BUTTON) 200 sc->flags |= SYN_FLAG_HAS_BUTTONS_4_5; 201 202 if (sc->caps & SYNAPTICS_CAP_EXTENDED) { 203 aprint_debug_dev(psc->sc_dev, 204 "synaptics_probe: Capabilities 0x%04x.\n", sc->caps); 205 if (sc->caps & SYNAPTICS_CAP_PASSTHROUGH) 206 sc->flags |= SYN_FLAG_HAS_PASSTHROUGH; 207 208 if (sc->caps & SYNAPTICS_CAP_PALMDETECT) 209 sc->flags |= SYN_FLAG_HAS_PALM_DETECT; 210 211 if (sc->caps & SYNAPTICS_CAP_MULTIDETECT) 212 sc->flags |= SYN_FLAG_HAS_MULTI_FINGER; 213 214 /* Ask about extra buttons to detect up/down. */ 215 if (sc->caps & SYNAPTICS_CAP_EXTNUM) { 216 res = pms_sliced_command(psc->sc_kbctag, 217 psc->sc_kbcslot, SYNAPTICS_EXTENDED_QUERY); 218 cmd[0] = PMS_SEND_DEV_STATUS; 219 res |= pckbport_poll_cmd(psc->sc_kbctag, 220 psc->sc_kbcslot, cmd, 1, 3, resp, 0); 221 if (res == 0) 222 aprint_debug_dev(psc->sc_dev, 223 "synaptics_probe: Extended " 224 "Capabilities 0x%02x.\n", resp[1]); 225 if (!res && (resp[1] >> 4) >= 2) { 226 /* Yes. */ 227 sc->flags |= SYN_FLAG_HAS_UP_DOWN_BUTTONS; 228 } 229 } 230 } 231 232 if (sc->flags) { 233 const char comma[] = ", "; 234 const char *sep = ""; 235 aprint_normal_dev(psc->sc_dev, ""); 236 if (sc->flags & SYN_FLAG_HAS_PASSTHROUGH) { 237 aprint_normal("%sPassthrough", sep); 238 sep = comma; 239 } 240 if (sc->flags & SYN_FLAG_HAS_MIDDLE_BUTTON) { 241 aprint_normal("%sMiddle button", sep); 242 sep = comma; 243 } 244 if (sc->flags & SYN_FLAG_HAS_BUTTONS_4_5) { 245 aprint_normal("%sButtons 4/5", sep); 246 sep = comma; 247 } 248 if (sc->flags & SYN_FLAG_HAS_UP_DOWN_BUTTONS) { 249 aprint_normal("%sUp/down buttons", sep); 250 sep = comma; 251 } 252 if (sc->flags & SYN_FLAG_HAS_PALM_DETECT) { 253 aprint_normal("%sPalm detect", sep); 254 sep = comma; 255 } 256 if (sc->flags & SYN_FLAG_HAS_MULTI_FINGER) 257 aprint_normal("%sMulti-finger", sep); 258 259 aprint_normal("\n"); 260 } 261 262 done: 263 pms_sysctl_synaptics(&clog); 264 pckbport_set_inputhandler(psc->sc_kbctag, psc->sc_kbcslot, 265 pms_synaptics_input, psc, device_xname(psc->sc_dev)); 266 267 return (0); 268 } 269 270 void 271 pms_synaptics_enable(void *vsc) 272 { 273 struct pms_softc *psc = vsc; 274 struct synaptics_softc *sc = &psc->u.synaptics; 275 u_char cmd[2], resp[2]; 276 int res; 277 278 if (sc->flags & SYN_FLAG_HAS_PASSTHROUGH) { 279 /* 280 * Extended capability probes can confuse the passthrough device; 281 * reset the touchpad now to cure that. 282 */ 283 cmd[0] = PMS_RESET; 284 res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, 285 1, 2, resp, 1); 286 } 287 288 /* 289 * Enable Absolute mode with W (width) reporting, and set 290 * the packet rate to maximum (80 packets per second). 291 */ 292 res = pms_sliced_command(psc->sc_kbctag, psc->sc_kbcslot, 293 SYNAPTICS_MODE_ABSOLUTE | SYNAPTICS_MODE_W | SYNAPTICS_MODE_RATE); 294 cmd[0] = PMS_SET_SAMPLE; 295 cmd[1] = SYNAPTICS_CMD_SET_MODE2; 296 res |= pckbport_enqueue_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, 2, 0, 297 1, NULL); 298 sc->up_down = 0; 299 sc->prev_fingers = 0; 300 sc->gesture_start_x = sc->gesture_start_y = 0; 301 sc->gesture_start_packet = 0; 302 sc->gesture_tap_packet = 0; 303 sc->gesture_type = 0; 304 sc->gesture_buttons = 0; 305 sc->rem_x = sc->rem_y = 0; 306 sc->movement_history = 0; 307 if (res) { 308 aprint_error_dev(psc->sc_dev, 309 "synaptics_enable: Error enabling device.\n"); 310 } 311 } 312 313 void 314 pms_synaptics_resume(void *vsc) 315 { 316 struct pms_softc *psc = vsc; 317 unsigned char cmd[1],resp[2] = { 0,0 }; 318 int res; 319 320 cmd[0] = PMS_RESET; 321 res = pckbport_poll_cmd(psc->sc_kbctag, psc->sc_kbcslot, cmd, 1, 2, 322 resp, 1); 323 aprint_debug_dev(psc->sc_dev, 324 "pms_synaptics_resume: reset on resume %d 0x%02x 0x%02x\n", 325 res, resp[0], resp[1]); 326 } 327 328 static void 329 pms_sysctl_synaptics(struct sysctllog **clog) 330 { 331 int rc, root_num; 332 const struct sysctlnode *node; 333 334 if ((rc = sysctl_createv(clog, 0, NULL, &node, 335 CTLFLAG_PERMANENT, CTLTYPE_NODE, "synaptics", 336 SYSCTL_DESCR("Synaptics touchpad controls"), 337 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 338 goto err; 339 340 root_num = node->sysctl_num; 341 342 if ((rc = sysctl_createv(clog, 0, NULL, &node, 343 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 344 CTLTYPE_INT, "up_down_emulation", 345 SYSCTL_DESCR("Middle button/Z-axis emulation with up/down buttons"), 346 pms_sysctl_synaptics_verify, 0, 347 &synaptics_up_down_emul, 348 0, CTL_HW, root_num, CTL_CREATE, 349 CTL_EOL)) != 0) 350 goto err; 351 352 synaptics_up_down_emul_nodenum = node->sysctl_num; 353 354 if ((rc = sysctl_createv(clog, 0, NULL, &node, 355 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 356 CTLTYPE_INT, "up_down_motion_delta", 357 SYSCTL_DESCR("Up/down button Z-axis emulation rate"), 358 pms_sysctl_synaptics_verify, 0, 359 &synaptics_up_down_motion_delta, 360 0, CTL_HW, root_num, CTL_CREATE, 361 CTL_EOL)) != 0) 362 goto err; 363 364 synaptics_up_down_motion_delta_nodenum = node->sysctl_num; 365 366 if ((rc = sysctl_createv(clog, 0, NULL, &node, 367 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 368 CTLTYPE_INT, "gesture_move", 369 SYSCTL_DESCR("Movement greater than this between taps cancels gesture"), 370 pms_sysctl_synaptics_verify, 0, 371 &synaptics_gesture_move, 372 0, CTL_HW, root_num, CTL_CREATE, 373 CTL_EOL)) != 0) 374 goto err; 375 376 synaptics_gesture_move_nodenum = node->sysctl_num; 377 378 if ((rc = sysctl_createv(clog, 0, NULL, &node, 379 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 380 CTLTYPE_INT, "gesture_length", 381 SYSCTL_DESCR("Time period in which tap is recognised as a gesture"), 382 pms_sysctl_synaptics_verify, 0, 383 &synaptics_gesture_length, 384 0, CTL_HW, root_num, CTL_CREATE, 385 CTL_EOL)) != 0) 386 goto err; 387 388 synaptics_gesture_length_nodenum = node->sysctl_num; 389 390 if ((rc = sysctl_createv(clog, 0, NULL, &node, 391 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 392 CTLTYPE_INT, "edge_left", 393 SYSCTL_DESCR("Define left edge of touchpad"), 394 pms_sysctl_synaptics_verify, 0, 395 &synaptics_edge_left, 396 0, CTL_HW, root_num, CTL_CREATE, 397 CTL_EOL)) != 0) 398 goto err; 399 400 synaptics_edge_left_nodenum = node->sysctl_num; 401 402 if ((rc = sysctl_createv(clog, 0, NULL, &node, 403 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 404 CTLTYPE_INT, "edge_right", 405 SYSCTL_DESCR("Define right edge of touchpad"), 406 pms_sysctl_synaptics_verify, 0, 407 &synaptics_edge_right, 408 0, CTL_HW, root_num, CTL_CREATE, 409 CTL_EOL)) != 0) 410 goto err; 411 412 synaptics_edge_right_nodenum = node->sysctl_num; 413 414 if ((rc = sysctl_createv(clog, 0, NULL, &node, 415 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 416 CTLTYPE_INT, "edge_top", 417 SYSCTL_DESCR("Define top edge of touchpad"), 418 pms_sysctl_synaptics_verify, 0, 419 &synaptics_edge_top, 420 0, CTL_HW, root_num, CTL_CREATE, 421 CTL_EOL)) != 0) 422 goto err; 423 424 synaptics_edge_top_nodenum = node->sysctl_num; 425 426 if ((rc = sysctl_createv(clog, 0, NULL, &node, 427 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 428 CTLTYPE_INT, "edge_bottom", 429 SYSCTL_DESCR("Define bottom edge of touchpad"), 430 pms_sysctl_synaptics_verify, 0, 431 &synaptics_edge_bottom, 432 0, CTL_HW, root_num, CTL_CREATE, 433 CTL_EOL)) != 0) 434 goto err; 435 436 synaptics_edge_bottom_nodenum = node->sysctl_num; 437 438 if ((rc = sysctl_createv(clog, 0, NULL, &node, 439 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 440 CTLTYPE_INT, "edge_motion_delta", 441 SYSCTL_DESCR("Define edge motion rate"), 442 pms_sysctl_synaptics_verify, 0, 443 &synaptics_edge_motion_delta, 444 0, CTL_HW, root_num, CTL_CREATE, 445 CTL_EOL)) != 0) 446 goto err; 447 448 synaptics_edge_motion_delta_nodenum = node->sysctl_num; 449 450 if ((rc = sysctl_createv(clog, 0, NULL, &node, 451 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 452 CTLTYPE_INT, "finger_high", 453 SYSCTL_DESCR("Define finger applied pressure threshold"), 454 pms_sysctl_synaptics_verify, 0, 455 &synaptics_finger_high, 456 0, CTL_HW, root_num, CTL_CREATE, 457 CTL_EOL)) != 0) 458 goto err; 459 460 synaptics_finger_high_nodenum = node->sysctl_num; 461 462 if ((rc = sysctl_createv(clog, 0, NULL, &node, 463 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 464 CTLTYPE_INT, "finger_low", 465 SYSCTL_DESCR("Define finger removed pressure threshold"), 466 pms_sysctl_synaptics_verify, 0, 467 &synaptics_finger_low, 468 0, CTL_HW, root_num, CTL_CREATE, 469 CTL_EOL)) != 0) 470 goto err; 471 472 synaptics_finger_low_nodenum = node->sysctl_num; 473 474 if ((rc = sysctl_createv(clog, 0, NULL, &node, 475 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 476 CTLTYPE_INT, "two_fingers_emulation", 477 SYSCTL_DESCR("Map two fingers to middle button"), 478 pms_sysctl_synaptics_verify, 0, 479 &synaptics_two_fingers_emul, 480 0, CTL_HW, root_num, CTL_CREATE, 481 CTL_EOL)) != 0) 482 goto err; 483 484 synaptics_two_fingers_emul_nodenum = node->sysctl_num; 485 486 if ((rc = sysctl_createv(clog, 0, NULL, &node, 487 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 488 CTLTYPE_INT, "scale_x", 489 SYSCTL_DESCR("Horizontal movement scale factor"), 490 pms_sysctl_synaptics_verify, 0, 491 &synaptics_scale_x, 492 0, CTL_HW, root_num, CTL_CREATE, 493 CTL_EOL)) != 0) 494 goto err; 495 496 synaptics_scale_x_nodenum = node->sysctl_num; 497 498 if ((rc = sysctl_createv(clog, 0, NULL, &node, 499 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 500 CTLTYPE_INT, "scale_y", 501 SYSCTL_DESCR("Vertical movement scale factor"), 502 pms_sysctl_synaptics_verify, 0, 503 &synaptics_scale_y, 504 0, CTL_HW, root_num, CTL_CREATE, 505 CTL_EOL)) != 0) 506 goto err; 507 508 synaptics_scale_y_nodenum = node->sysctl_num; 509 510 if ((rc = sysctl_createv(clog, 0, NULL, &node, 511 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 512 CTLTYPE_INT, "max_speed_x", 513 SYSCTL_DESCR("Horizontal movement maximum speed"), 514 pms_sysctl_synaptics_verify, 0, 515 &synaptics_max_speed_x, 516 0, CTL_HW, root_num, CTL_CREATE, 517 CTL_EOL)) != 0) 518 goto err; 519 520 synaptics_max_speed_x_nodenum = node->sysctl_num; 521 522 if ((rc = sysctl_createv(clog, 0, NULL, &node, 523 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 524 CTLTYPE_INT, "max_speed_y", 525 SYSCTL_DESCR("Vertical movement maximum speed"), 526 pms_sysctl_synaptics_verify, 0, 527 &synaptics_max_speed_y, 528 0, CTL_HW, root_num, CTL_CREATE, 529 CTL_EOL)) != 0) 530 goto err; 531 532 synaptics_max_speed_y_nodenum = node->sysctl_num; 533 534 if ((rc = sysctl_createv(clog, 0, NULL, &node, 535 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, 536 CTLTYPE_INT, "movement_threshold", 537 SYSCTL_DESCR("Minimum reported movement threshold"), 538 pms_sysctl_synaptics_verify, 0, 539 &synaptics_movement_threshold, 540 0, CTL_HW, root_num, CTL_CREATE, 541 CTL_EOL)) != 0) 542 goto err; 543 544 synaptics_movement_threshold_nodenum = node->sysctl_num; 545 return; 546 547 err: 548 aprint_error("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 549 } 550 551 static int 552 pms_sysctl_synaptics_verify(SYSCTLFN_ARGS) 553 { 554 int error, t; 555 struct sysctlnode node; 556 557 node = *rnode; 558 t = *(int *)rnode->sysctl_data; 559 node.sysctl_data = &t; 560 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 561 if (error || newp == NULL) 562 return error; 563 564 /* Sanity check the params. */ 565 if (node.sysctl_num == synaptics_up_down_emul_nodenum || 566 node.sysctl_num == synaptics_two_fingers_emul_nodenum) { 567 if (t < 0 || t > 2) 568 return (EINVAL); 569 } else 570 if (node.sysctl_num == synaptics_gesture_length_nodenum || 571 node.sysctl_num == synaptics_edge_motion_delta_nodenum || 572 node.sysctl_num == synaptics_up_down_motion_delta_nodenum) { 573 if (t < 0) 574 return (EINVAL); 575 } else 576 if (node.sysctl_num == synaptics_edge_left_nodenum || 577 node.sysctl_num == synaptics_edge_bottom_nodenum) { 578 if (t < 0 || t > (SYNAPTICS_EDGE_MAX / 2)) 579 return (EINVAL); 580 } else 581 if (node.sysctl_num == synaptics_edge_right_nodenum || 582 node.sysctl_num == synaptics_edge_top_nodenum) { 583 if (t < (SYNAPTICS_EDGE_MAX / 2)) 584 return (EINVAL); 585 } else 586 if (node.sysctl_num == synaptics_scale_x_nodenum || 587 node.sysctl_num == synaptics_scale_y_nodenum) { 588 if (t < 1 || t > (SYNAPTICS_EDGE_MAX / 4)) 589 return (EINVAL); 590 } else 591 if (node.sysctl_num == synaptics_finger_high_nodenum) { 592 if (t < 0 || t > SYNAPTICS_FINGER_PALM || 593 t < synaptics_finger_low) 594 return (EINVAL); 595 } else 596 if (node.sysctl_num == synaptics_finger_low_nodenum) { 597 if (t < 0 || t > SYNAPTICS_FINGER_PALM || 598 t > synaptics_finger_high) 599 return (EINVAL); 600 } else 601 if (node.sysctl_num == synaptics_gesture_move_nodenum || 602 node.sysctl_num == synaptics_movement_threshold_nodenum) { 603 if (t < 0 || t > (SYNAPTICS_EDGE_MAX / 4)) 604 return (EINVAL); 605 } else 606 return (EINVAL); 607 608 *(int *)rnode->sysctl_data = t; 609 610 return (0); 611 } 612 613 /* Masks for the first byte of a packet */ 614 #define PMS_LBUTMASK 0x01 615 #define PMS_RBUTMASK 0x02 616 #define PMS_MBUTMASK 0x04 617 618 static void 619 pms_synaptics_parse(struct pms_softc *psc) 620 { 621 struct synaptics_softc *sc = &psc->u.synaptics; 622 struct synaptics_packet sp; 623 624 /* Absolute X/Y coordinates of finger */ 625 sp.sp_x = psc->packet[4] + ((psc->packet[1] & 0x0f) << 8) + 626 ((psc->packet[3] & 0x10) << 8); 627 sp.sp_y = psc->packet[5] + ((psc->packet[1] & 0xf0) << 4) + 628 ((psc->packet[3] & 0x20) << 7); 629 630 /* Pressure */ 631 sp.sp_z = psc->packet[2]; 632 633 /* Width of finger */ 634 sp.sp_w = ((psc->packet[0] & 0x30) >> 2) + 635 ((psc->packet[0] & 0x04) >> 1) + 636 ((psc->packet[3] & 0x04) >> 2); 637 638 /* Left/Right button handling. */ 639 sp.sp_left = psc->packet[0] & PMS_LBUTMASK; 640 sp.sp_right = psc->packet[0] & PMS_RBUTMASK; 641 642 /* Up/Down buttons. */ 643 if (sc->flags & SYN_FLAG_HAS_BUTTONS_4_5) { 644 /* Old up/down buttons. */ 645 sp.sp_up = sp.sp_left ^ 646 (psc->packet[3] & PMS_LBUTMASK); 647 sp.sp_down = sp.sp_right ^ 648 (psc->packet[3] & PMS_RBUTMASK); 649 } else 650 if (sc->flags & SYN_FLAG_HAS_UP_DOWN_BUTTONS && 651 ((psc->packet[0] & PMS_RBUTMASK) ^ 652 (psc->packet[3] & PMS_RBUTMASK))) { 653 /* New up/down button. */ 654 sp.sp_up = psc->packet[4] & SYN_1BUTMASK; 655 sp.sp_down = psc->packet[5] & SYN_2BUTMASK; 656 } else { 657 sp.sp_up = 0; 658 sp.sp_down = 0; 659 } 660 661 /* Middle button. */ 662 if (sc->flags & SYN_FLAG_HAS_MIDDLE_BUTTON) { 663 /* Old style Middle Button. */ 664 sp.sp_middle = (psc->packet[0] & PMS_LBUTMASK) ^ 665 (psc->packet[3] & PMS_LBUTMASK); 666 } else 667 if (synaptics_up_down_emul == 1) { 668 /* Do middle button emulation using up/down buttons */ 669 sp.sp_middle = sp.sp_up | sp.sp_down; 670 sp.sp_up = sp.sp_down = 0; 671 } else 672 sp.sp_middle = 0; 673 674 pms_synaptics_process_packet(psc, &sp); 675 } 676 677 static void 678 pms_synaptics_passthrough(struct pms_softc *psc) 679 { 680 int dx, dy, dz; 681 int buttons, changed; 682 int s; 683 684 buttons = ((psc->packet[1] & PMS_LBUTMASK) ? 0x20 : 0) | 685 ((psc->packet[1] & PMS_MBUTMASK) ? 0x40 : 0) | 686 ((psc->packet[1] & PMS_RBUTMASK) ? 0x80 : 0); 687 688 dx = psc->packet[4]; 689 if (dx >= 128) 690 dx -= 256; 691 if (dx == -128) 692 dx = -127; 693 694 dy = psc->packet[5]; 695 if (dy >= 128) 696 dy -= 256; 697 if (dy == -128) 698 dy = -127; 699 700 dz = 0; 701 702 changed = buttons ^ (psc->buttons & 0xe0); 703 psc->buttons ^= changed; 704 705 if (dx || dy || dz || changed) { 706 buttons = (psc->buttons & 0x1f) | ((psc->buttons >> 5) & 0x7); 707 s = spltty(); 708 wsmouse_input(psc->sc_wsmousedev, 709 buttons, dx, dy, dz, 0, 710 WSMOUSE_INPUT_DELTA); 711 splx(s); 712 } 713 } 714 715 static void 716 pms_synaptics_input(void *vsc, int data) 717 { 718 struct pms_softc *psc = vsc; 719 struct timeval diff; 720 721 if (!psc->sc_enabled) { 722 /* Interrupts are not expected. Discard the byte. */ 723 return; 724 } 725 726 getmicrouptime(&psc->current); 727 728 if (psc->inputstate > 0) { 729 timersub(&psc->current, &psc->last, &diff); 730 if (diff.tv_sec > 0 || diff.tv_usec >= 40000) { 731 aprint_debug_dev(psc->sc_dev, 732 "pms_input: unusual delay (%ld.%06ld s), " 733 "scheduling reset\n", 734 (long)diff.tv_sec, (long)diff.tv_usec); 735 psc->inputstate = 0; 736 psc->sc_enabled = 0; 737 wakeup(&psc->sc_enabled); 738 return; 739 } 740 } 741 psc->last = psc->current; 742 743 switch (psc->inputstate) { 744 case 0: 745 if ((data & 0xc8) != 0x80) { 746 aprint_debug_dev(psc->sc_dev, 747 "pms_input: 0x%02x out of sync\n", data); 748 return; /* not in sync yet, discard input */ 749 } 750 /*FALLTHROUGH*/ 751 752 case 3: 753 if ((data & 8) == 8) { 754 aprint_debug_dev(psc->sc_dev, 755 "pms_input: dropped in relative mode, reset\n"); 756 psc->inputstate = 0; 757 psc->sc_enabled = 0; 758 wakeup(&psc->sc_enabled); 759 return; 760 } 761 } 762 763 psc->packet[psc->inputstate++] = data & 0xff; 764 if (psc->inputstate == 6) { 765 /* 766 * We have a complete packet. 767 * Extract the pertinent details. 768 */ 769 psc->inputstate = 0; 770 771 if ((psc->packet[0] & 0xfc) == 0x84 && 772 (psc->packet[3] & 0xcc) == 0xc4) { 773 /* W = SYNAPTICS_WIDTH_PASSTHROUGH, PS/2 passthrough */ 774 pms_synaptics_passthrough(psc); 775 } else { 776 pms_synaptics_parse(psc); 777 } 778 } 779 } 780 781 static inline int 782 synaptics_finger_detect(struct synaptics_softc *sc, struct synaptics_packet *sp, 783 int *palmp) 784 { 785 int fingers; 786 787 /* Assume no palm */ 788 *palmp = 0; 789 790 /* 791 * Apply some hysteresis when checking for a finger. 792 * When the finger is first applied, we ignore it until the 793 * pressure exceeds the 'high' threshold. The finger is considered 794 * removed only when pressure falls beneath the 'low' threshold. 795 */ 796 if ((sc->prev_fingers == 0 && sp->sp_z > synaptics_finger_high) || 797 (sc->prev_fingers != 0 && sp->sp_z > synaptics_finger_low)) 798 fingers = 1; 799 else 800 fingers = 0; 801 802 /* 803 * If the pad can't do palm detection, skip the rest. 804 */ 805 if (fingers == 0 || (sc->flags & SYN_FLAG_HAS_PALM_DETECT) == 0) 806 return (fingers); 807 808 /* 809 * Palm detection 810 */ 811 if (sp->sp_z > SYNAPTICS_FINGER_FLAT && 812 sp->sp_w >= SYNAPTICS_WIDTH_PALM_MIN) 813 *palmp = 1; 814 815 if (sc->prev_fingers == 0 && 816 (sp->sp_z > SYNAPTICS_FINGER_FLAT || 817 sp->sp_w >= SYNAPTICS_WIDTH_PALM_MIN)) { 818 /* 819 * Contact area or pressure is too great to be a finger. 820 * Just ignore it for now. 821 */ 822 return (0); 823 } 824 825 /* 826 * Detect 2 and 3 fingers if supported, but only if multiple 827 * fingers appear within the tap gesture time period. 828 */ 829 if (sc->flags & SYN_FLAG_HAS_MULTI_FINGER && 830 SYN_TIME(sc, sc->gesture_start_packet) < synaptics_gesture_length) { 831 switch (sp->sp_w) { 832 case SYNAPTICS_WIDTH_TWO_FINGERS: 833 fingers = 2; 834 break; 835 836 case SYNAPTICS_WIDTH_THREE_OR_MORE: 837 fingers = 3; 838 break; 839 840 case SYNAPTICS_WIDTH_PEN: 841 fingers = 1; 842 break; 843 844 default: 845 /* 846 * The width value can report spurious single-finger 847 * events after a multi-finger event. 848 */ 849 if (sc->prev_fingers > 1) 850 fingers = sc->prev_fingers; 851 else 852 fingers = 1; 853 break; 854 } 855 } 856 857 return (fingers); 858 } 859 860 static inline void 861 synaptics_gesture_detect(struct synaptics_softc *sc, 862 struct synaptics_packet *sp, int fingers) 863 { 864 int gesture_len, gesture_move_x, gesture_move_y, gesture_buttons; 865 int set_buttons; 866 867 gesture_len = SYN_TIME(sc, sc->gesture_start_packet); 868 gesture_buttons = sc->gesture_buttons; 869 870 if (fingers && sc->prev_fingers == 0) { 871 /* 872 * Finger was just applied. 873 * If the previous gesture was a single-click, set things 874 * up to deal with a possible drag or double-click gesture. 875 * Basically, if the finger is removed again within 876 * 'synaptics_gesture_length' packets, this is treated 877 * as a double-click. Otherwise we will emulate holding 878 * the left button down whilst dragging the mouse. 879 */ 880 if (SYN_IS_SINGLE_TAP(sc->gesture_type)) 881 sc->gesture_type |= SYN_GESTURE_DRAG; 882 883 sc->gesture_start_x = sp->sp_x; 884 sc->gesture_start_y = sp->sp_y; 885 sc->gesture_start_packet = sc->total_packets; 886 } else 887 if (fingers == 0 && sc->prev_fingers != 0) { 888 /* 889 * Finger was just removed. 890 * Check if the contact time and finger movement were 891 * small enough to qualify as a gesture. 892 * Ignore finger movement if multiple fingers were 893 * detected (the pad may report coordinates for any 894 * of the fingers). 895 */ 896 gesture_move_x = abs(sc->gesture_start_x - sp->sp_x); 897 gesture_move_y = abs(sc->gesture_start_y - sp->sp_y); 898 899 if (gesture_len < synaptics_gesture_length && 900 (sc->prev_fingers > 1 || 901 (gesture_move_x < synaptics_gesture_move && 902 gesture_move_y < synaptics_gesture_move))) { 903 /* 904 * Looking good so far. 905 */ 906 if (SYN_IS_DRAG(sc->gesture_type)) { 907 /* 908 * Promote this gesture to double-click. 909 */ 910 sc->gesture_type |= SYN_GESTURE_DOUBLE; 911 sc->gesture_type &= ~SYN_GESTURE_SINGLE; 912 } else { 913 /* 914 * Single tap gesture. Set the tap length timer 915 * and flag a single-click. 916 */ 917 sc->gesture_tap_packet = sc->total_packets; 918 sc->gesture_type |= SYN_GESTURE_SINGLE; 919 920 /* 921 * The gesture can be modified depending on 922 * the number of fingers detected. 923 * 924 * 1: Normal left button emulation. 925 * 2: Either middle button or right button 926 * depending on the value of the two_fingers 927 * sysctl variable. 928 * 3: Right button. 929 */ 930 switch (sc->prev_fingers) { 931 case 2: 932 if (synaptics_two_fingers_emul == 1) 933 gesture_buttons |= PMS_RBUTMASK; 934 else 935 if (synaptics_two_fingers_emul == 2) 936 gesture_buttons |= PMS_MBUTMASK; 937 break; 938 case 3: 939 gesture_buttons |= PMS_RBUTMASK; 940 break; 941 default: 942 gesture_buttons |= PMS_LBUTMASK; 943 break; 944 } 945 } 946 } 947 948 /* 949 * Always clear drag state when the finger is removed. 950 */ 951 sc->gesture_type &= ~SYN_GESTURE_DRAG; 952 } 953 954 if (sc->gesture_type == 0) { 955 /* 956 * There is no gesture in progress. 957 * Clear emulated button state. 958 */ 959 sc->gesture_buttons = 0; 960 return; 961 } 962 963 /* 964 * A gesture is in progress. 965 */ 966 set_buttons = 0; 967 968 if (SYN_IS_SINGLE_TAP(sc->gesture_type)) { 969 /* 970 * Single-click. 971 * Activate the relevant button(s) until the 972 * gesture tap timer has expired. 973 */ 974 if (SYN_TIME(sc, sc->gesture_tap_packet) < 975 synaptics_gesture_length) 976 set_buttons = 1; 977 else 978 sc->gesture_type &= ~SYN_GESTURE_SINGLE; 979 } else 980 if (SYN_IS_DOUBLE_TAP(sc->gesture_type) && sc->prev_fingers == 0) { 981 /* 982 * Double-click. 983 * Activate the relevant button(s) once. 984 */ 985 set_buttons = 1; 986 sc->gesture_type &= ~SYN_GESTURE_DOUBLE; 987 } 988 989 if (set_buttons || SYN_IS_DRAG(sc->gesture_type)) { 990 /* 991 * Single-click and drag. 992 * Maintain button state until the finger is removed. 993 */ 994 sp->sp_left |= gesture_buttons & PMS_LBUTMASK; 995 sp->sp_right |= gesture_buttons & PMS_RBUTMASK; 996 sp->sp_middle |= gesture_buttons & PMS_MBUTMASK; 997 } 998 999 sc->gesture_buttons = gesture_buttons; 1000 } 1001 1002 static inline int 1003 synaptics_filter_policy(struct synaptics_softc *sc, int *history, int value) 1004 { 1005 int a, b, rv, count; 1006 1007 count = sc->total_packets; 1008 1009 /* 1010 * Once we've accumulated at least SYN_HIST_SIZE values, combine 1011 * each new value with the previous two and return the average. 1012 * 1013 * This is necessary when the touchpad is operating in 80 packets 1014 * per second mode, as it performs little internal filtering on 1015 * reported values. 1016 * 1017 * Using a rolling average helps to filter out jitter caused by 1018 * tiny finger movements. 1019 */ 1020 if (sc->movement_history >= SYN_HIST_SIZE) { 1021 a = (history[(count + 0) % SYN_HIST_SIZE] + 1022 history[(count + 1) % SYN_HIST_SIZE]) / 2; 1023 1024 b = (value + history[(count + 0) % SYN_HIST_SIZE]) / 2; 1025 1026 rv = b - a; 1027 1028 /* 1029 * Don't report the movement if it's below a certain 1030 * threshold. 1031 */ 1032 if (abs(rv) < synaptics_movement_threshold) 1033 rv = 0; 1034 } else 1035 rv = 0; 1036 1037 /* 1038 * Add the new value to the history buffer. 1039 */ 1040 history[(count + 1) % SYN_HIST_SIZE] = value; 1041 1042 return (rv); 1043 } 1044 1045 /* Edge detection */ 1046 #define SYN_EDGE_TOP 1 1047 #define SYN_EDGE_BOTTOM 2 1048 #define SYN_EDGE_LEFT 4 1049 #define SYN_EDGE_RIGHT 8 1050 1051 static inline int 1052 synaptics_check_edge(int x, int y) 1053 { 1054 int rv = 0; 1055 1056 if (x < synaptics_edge_left) 1057 rv |= SYN_EDGE_LEFT; 1058 else 1059 if (x > synaptics_edge_right) 1060 rv |= SYN_EDGE_RIGHT; 1061 1062 if (y < synaptics_edge_bottom) 1063 rv |= SYN_EDGE_BOTTOM; 1064 else 1065 if (y > synaptics_edge_top) 1066 rv |= SYN_EDGE_TOP; 1067 1068 return (rv); 1069 } 1070 1071 static inline int 1072 synaptics_edge_motion(struct synaptics_softc *sc, int delta, int dir) 1073 { 1074 1075 /* 1076 * When edge motion is enabled, synaptics_edge_motion_delta is 1077 * combined with the current delta, together with the direction 1078 * in which to simulate the motion. The result is added to 1079 * the delta derived from finger movement. This provides a smooth 1080 * transition from finger movement to edge motion. 1081 */ 1082 delta = synaptics_edge_motion_delta + (dir * delta); 1083 if (delta < 0) 1084 return (0); 1085 if (delta > synaptics_edge_motion_delta) 1086 return (synaptics_edge_motion_delta); 1087 return (delta); 1088 } 1089 1090 static inline int 1091 synaptics_scale(int delta, int scale, int *remp) 1092 { 1093 int rv; 1094 1095 /* 1096 * Scale the raw delta in Synaptics coordinates (0-6143) into 1097 * something more reasonable by dividing the raw delta by a 1098 * scale factor. Any remainder from the previous scale result 1099 * is added to the current delta before scaling. 1100 * This prevents loss of resolution for very small/slow 1101 * movements of the finger. 1102 */ 1103 delta += *remp; 1104 rv = delta / scale; 1105 *remp = delta % scale; 1106 1107 return (rv); 1108 } 1109 1110 static inline void 1111 synaptics_movement(struct synaptics_softc *sc, struct synaptics_packet *sp, 1112 int *dxp, int *dyp) 1113 { 1114 int dx, dy, edge; 1115 1116 /* 1117 * Compute the next values of dx and dy 1118 */ 1119 dx = synaptics_filter_policy(sc, sc->history_x, sp->sp_x); 1120 dy = synaptics_filter_policy(sc, sc->history_y, sp->sp_y); 1121 1122 /* 1123 * If we're dealing with a drag gesture, and the finger moves to 1124 * the edge of the touchpad, apply edge motion emulation if it 1125 * is enabled. 1126 */ 1127 if (synaptics_edge_motion_delta && SYN_IS_DRAG(sc->gesture_type)) { 1128 edge = synaptics_check_edge(sp->sp_x, sp->sp_y); 1129 1130 if (edge & SYN_EDGE_LEFT) 1131 dx -= synaptics_edge_motion(sc, dx, 1); 1132 if (edge & SYN_EDGE_RIGHT) 1133 dx += synaptics_edge_motion(sc, dx, -1); 1134 if (edge & SYN_EDGE_BOTTOM) 1135 dy -= synaptics_edge_motion(sc, dy, 1); 1136 if (edge & SYN_EDGE_TOP) 1137 dy += synaptics_edge_motion(sc, dy, -1); 1138 } 1139 1140 /* 1141 * Apply scaling to both deltas 1142 */ 1143 dx = synaptics_scale(dx, synaptics_scale_x, &sc->rem_x); 1144 dy = synaptics_scale(dy, synaptics_scale_y, &sc->rem_y); 1145 1146 /* 1147 * Clamp deltas to specified maximums. 1148 */ 1149 if (dx > synaptics_max_speed_x) 1150 dx = synaptics_max_speed_x; 1151 if (dy > synaptics_max_speed_y) 1152 dy = synaptics_max_speed_y; 1153 1154 *dxp = dx; 1155 *dyp = dy; 1156 1157 sc->movement_history++; 1158 } 1159 1160 static void 1161 pms_synaptics_process_packet(struct pms_softc *psc, struct synaptics_packet *sp) 1162 { 1163 struct synaptics_softc *sc = &psc->u.synaptics; 1164 int dx, dy, dz; 1165 int fingers, palm, buttons, changed; 1166 int s; 1167 1168 /* 1169 * Do Z-axis emulation using up/down buttons if required. 1170 * Note that the pad will send a one second burst of packets 1171 * when an up/down button is pressed and held. At the moment 1172 * we don't deal with auto-repeat, so convert the burst into 1173 * a one-shot. 1174 */ 1175 dz = 0; 1176 if (synaptics_up_down_emul == 2) { 1177 if (sc->up_down == 0) { 1178 if (sp->sp_up && sp->sp_down) { 1179 /* 1180 * Most up/down buttons will be actuated using 1181 * a rocker switch, so we should never see 1182 * them both simultaneously. But just in case, 1183 * treat this situation as a middle button 1184 * event. 1185 */ 1186 sp->sp_middle = 1; 1187 } else 1188 if (sp->sp_up) 1189 dz = -synaptics_up_down_motion_delta; 1190 else 1191 if (sp->sp_down) 1192 dz = synaptics_up_down_motion_delta; 1193 } 1194 1195 sc->up_down = sp->sp_up | sp->sp_down; 1196 sp->sp_up = sp->sp_down = 0; 1197 } 1198 1199 /* 1200 * Determine whether or not a finger is on the pad. 1201 * On some pads, this will return the number of fingers 1202 * detected. 1203 */ 1204 fingers = synaptics_finger_detect(sc, sp, &palm); 1205 1206 /* 1207 * Do gesture processing only if we didn't detect a palm. 1208 */ 1209 if (palm == 0) 1210 synaptics_gesture_detect(sc, sp, fingers); 1211 else 1212 sc->gesture_type = sc->gesture_buttons = 0; 1213 1214 /* 1215 * Determine what buttons to report 1216 */ 1217 buttons = (sp->sp_left ? 0x1 : 0) | 1218 (sp->sp_middle ? 0x2 : 0) | 1219 (sp->sp_right ? 0x4 : 0) | 1220 (sp->sp_up ? 0x8 : 0) | 1221 (sp->sp_down ? 0x10 : 0); 1222 changed = buttons ^ (psc->buttons & 0x1f); 1223 psc->buttons ^= changed; 1224 1225 sc->prev_fingers = fingers; 1226 sc->total_packets++; 1227 1228 /* 1229 * Do movement processing IFF we have a single finger and no palm. 1230 */ 1231 if (fingers == 1 && palm == 0) 1232 synaptics_movement(sc, sp, &dx, &dy); 1233 else { 1234 /* 1235 * No valid finger. Therefore no movement. 1236 */ 1237 sc->movement_history = 0; 1238 sc->rem_x = sc->rem_y = 0; 1239 dx = dy = 0; 1240 } 1241 1242 /* 1243 * Pass the final results up to wsmouse_input() if necessary. 1244 */ 1245 if (dx || dy || dz || changed) { 1246 buttons = (psc->buttons & 0x1f) | ((psc->buttons >> 5) & 0x7); 1247 s = spltty(); 1248 wsmouse_input(psc->sc_wsmousedev, 1249 buttons, 1250 dx, dy, dz, 0, 1251 WSMOUSE_INPUT_DELTA); 1252 splx(s); 1253 } 1254 } 1255
Indexes created Wed Oct 01 19:09:53 GMT 2025