1 /* $NetBSD: ams.c,v 1.30 2021/04/24 23:36:41 thorpej Exp $ */ 2 3 /* 4 * Copyright (C) 1998 Colin Wood 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Colin Wood. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: ams.c,v 1.30 2021/04/24 23:36:41 thorpej Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/device.h> 38 #include <sys/fcntl.h> 39 #include <sys/poll.h> 40 #include <sys/select.h> 41 #include <sys/proc.h> 42 #include <sys/signalvar.h> 43 #include <sys/systm.h> 44 #include <sys/sysctl.h> 45 #include <sys/sysctl.h> 46 47 #include <machine/autoconf.h> 48 49 #include <dev/wscons/wsconsio.h> 50 #include <dev/wscons/wsmousevar.h> 51 52 #include <macppc/dev/adbvar.h> 53 #include <macppc/dev/aedvar.h> 54 #include <macppc/dev/amsvar.h> 55 56 #include "aed.h" 57 58 /* 59 * Function declarations. 60 */ 61 static int amsmatch(device_t, cfdata_t, void *); 62 static void amsattach(device_t, device_t, void *); 63 static void ems_init(struct ams_softc *); 64 static void ms_processevent(adb_event_t *event, struct ams_softc *); 65 static void init_trackpad(struct ams_softc *); 66 67 /* Driver definition. */ 68 CFATTACH_DECL_NEW(ams, sizeof(struct ams_softc), 69 amsmatch, amsattach, NULL, NULL); 70 71 int ams_enable(void *); 72 int ams_ioctl(void *, u_long, void *, int, struct lwp *); 73 void ams_disable(void *); 74 75 /* 76 * handle tapping the trackpad 77 * different pads report different button counts and use slightly different 78 * protocols 79 */ 80 static void ams_mangle_2(struct ams_softc *, int); 81 static void ams_mangle_4(struct ams_softc *, int); 82 static int sysctl_ams_tap(SYSCTLFN_ARGS); 83 84 const struct wsmouse_accessops ams_accessops = { 85 ams_enable, 86 ams_ioctl, 87 ams_disable, 88 }; 89 90 static int 91 amsmatch(device_t parent, cfdata_t cf, void *aux) 92 { 93 struct adb_attach_args *aa_args = aux; 94 95 if (aa_args->origaddr == ADBADDR_MS) 96 return 1; 97 else 98 return 0; 99 } 100 101 static void 102 amsattach(device_t parent, device_t self, void *aux) 103 { 104 ADBSetInfoBlock adbinfo; 105 struct ams_softc *sc = device_private(self); 106 struct adb_attach_args *aa_args = aux; 107 int error; 108 struct wsmousedev_attach_args a; 109 110 sc->sc_dev = self; 111 sc->origaddr = aa_args->origaddr; 112 sc->adbaddr = aa_args->adbaddr; 113 sc->handler_id = aa_args->handler_id; 114 115 sc->sc_class = MSCLASS_MOUSE; 116 sc->sc_buttons = 1; 117 sc->sc_res = 100; 118 sc->sc_devid[0] = 0; 119 sc->sc_devid[4] = 0; 120 121 adbinfo.siServiceRtPtr = (Ptr)ms_adbcomplete; 122 adbinfo.siDataAreaAddr = (void *)sc; 123 124 ems_init(sc); 125 126 /* print out the type of mouse we have */ 127 switch (sc->handler_id) { 128 case ADBMS_100DPI: 129 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 130 (int)(sc->sc_res)); 131 break; 132 case ADBMS_200DPI: 133 sc->sc_res = 200; 134 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 135 (int)(sc->sc_res)); 136 break; 137 case ADBMS_MSA3: 138 printf("Mouse Systems A3 mouse, %d-button, %d dpi\n", 139 sc->sc_buttons, (int)(sc->sc_res)); 140 break; 141 case ADBMS_USPEED: 142 printf("MicroSpeed mouse, default parameters\n"); 143 break; 144 case ADBMS_UCONTOUR: 145 printf("Contour mouse, default parameters\n"); 146 break; 147 case ADBMS_TURBO: 148 printf("Kensington Turbo Mouse\n"); 149 break; 150 case ADBMS_EXTENDED: 151 if (sc->sc_devid[0] == '\0') { 152 printf("Logitech "); 153 switch (sc->sc_class) { 154 case MSCLASS_MOUSE: 155 printf("MouseMan (non-EMP) mouse"); 156 break; 157 case MSCLASS_TRACKBALL: 158 printf("TrackMan (non-EMP) trackball"); 159 break; 160 default: 161 printf("non-EMP relative positioning device"); 162 break; 163 } 164 printf("\n"); 165 } else { 166 printf("EMP "); 167 switch (sc->sc_class) { 168 case MSCLASS_TABLET: 169 printf("tablet"); 170 break; 171 case MSCLASS_MOUSE: 172 printf("mouse"); 173 break; 174 case MSCLASS_TRACKBALL: 175 printf("trackball"); 176 break; 177 case MSCLASS_TRACKPAD: 178 printf("trackpad"); 179 init_trackpad(sc); 180 break; 181 default: 182 printf("unknown device"); 183 break; 184 } 185 printf(" <%s> %d-button, %d dpi\n", sc->sc_devid, 186 sc->sc_buttons, (int)(sc->sc_res)); 187 } 188 break; 189 default: 190 printf("relative positioning device (mouse?) (%d)\n", 191 sc->handler_id); 192 break; 193 } 194 error = SetADBInfo(&adbinfo, sc->adbaddr); 195 #ifdef ADB_DEBUG 196 if (adb_debug) 197 printf("ams: returned %d from SetADBInfo\n", error); 198 #endif 199 200 a.accessops = &ams_accessops; 201 a.accesscookie = sc; 202 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint, CFARG_EOL); 203 } 204 205 206 /* 207 * Initialize extended mouse support -- probes devices as described 208 * in Inside Macintosh: Devices, Chapter 5 "ADB Manager". 209 * 210 * Extended Mouse Protocol is documented in TechNote HW1: 211 * "ADB - The Untold Story: Space Aliens Ate My Mouse" 212 * 213 * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe, 214 * Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan 215 */ 216 void 217 ems_init(struct ams_softc *sc) 218 { 219 int adbaddr; 220 short cmd; 221 u_char buffer[9]; 222 223 adbaddr = sc->adbaddr; 224 if (sc->origaddr != ADBADDR_MS) 225 return; 226 if (sc->handler_id == ADBMS_USPEED || 227 sc->handler_id == ADBMS_UCONTOUR) { 228 /* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */ 229 cmd = ADBLISTEN(adbaddr, 1); 230 231 /* 232 * To setup the MicroSpeed or the Contour, it appears 233 * that we can send the following command to the mouse 234 * and then expect data back in the form: 235 * buffer[0] = 4 (bytes) 236 * buffer[1], buffer[2] as std. mouse 237 * buffer[3] = buffer[4] = 0xff when no buttons 238 * are down. When button N down, bit N is clear. 239 * buffer[4]'s locking mask enables a 240 * click to toggle the button down state--sort of 241 * like the "Easy Access" shift/control/etc. keys. 242 * buffer[3]'s alternative speed mask enables using 243 * different speed when the corr. button is down 244 */ 245 buffer[0] = 4; 246 buffer[1] = 0x00; /* Alternative speed */ 247 buffer[2] = 0x00; /* speed = maximum */ 248 buffer[3] = 0x10; /* enable extended protocol, 249 * lower bits = alt. speed mask 250 * = 0000b 251 */ 252 buffer[4] = 0x07; /* Locking mask = 0000b, 253 * enable buttons = 0111b 254 */ 255 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 256 257 sc->sc_buttons = 3; 258 sc->sc_res = 200; 259 return; 260 } 261 if (sc->handler_id == ADBMS_TURBO) { 262 /* Found Kensington Turbo Mouse */ 263 static u_char data1[] = 264 { 8, 0xe7, 0x8c, 0, 0, 0, 0xff, 0xff, 0x94 }; 265 static u_char data2[] = 266 { 8, 0xa5, 0x14, 0, 0, 0x69, 0xff, 0xff, 0x27 }; 267 268 buffer[0] = 0; 269 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr)); 270 271 adb_op_sync((Ptr)data1, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2)); 272 273 buffer[0] = 0; 274 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr)); 275 276 adb_op_sync((Ptr)data2, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2)); 277 return; 278 } 279 if ((sc->handler_id == ADBMS_100DPI) || 280 (sc->handler_id == ADBMS_200DPI)) { 281 /* found a mouse */ 282 cmd = ADBTALK(adbaddr, 3); 283 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) { 284 #ifdef ADB_DEBUG 285 if (adb_debug) 286 printf("adb: ems_init timed out\n"); 287 #endif 288 return; 289 } 290 291 /* Attempt to initialize Extended Mouse Protocol */ 292 buffer[2] = 4; /* make handler ID 4 */ 293 cmd = ADBLISTEN(adbaddr, 3); 294 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) { 295 #ifdef ADB_DEBUG 296 if (adb_debug) 297 printf("adb: ems_init timed out\n"); 298 #endif 299 return; 300 } 301 302 /* 303 * Check to see if successful, if not 304 * try to initialize it as other types 305 */ 306 cmd = ADBTALK(adbaddr, 3); 307 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0 && 308 buffer[2] == ADBMS_EXTENDED) { 309 sc->handler_id = ADBMS_EXTENDED; 310 cmd = ADBTALK(adbaddr, 1); 311 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) { 312 #ifdef ADB_DEBUG 313 if (adb_debug) 314 printf("adb: ems_init timed out\n"); 315 #endif 316 } else if (buffer[0] == 8) { 317 /* we have a true EMP device */ 318 #ifdef ADB_PRINT_EMP 319 printf("EMP: %02x %02x %02x %02x %02x %02x %02x %02x\n", 320 buffer[1], buffer[2], buffer[3], buffer[4], 321 buffer[5], buffer[6], buffer[7], buffer[8]); 322 #endif 323 sc->sc_class = buffer[7]; 324 sc->sc_buttons = buffer[8]; 325 sc->sc_res = (int)*(short *)&buffer[5]; 326 memcpy(sc->sc_devid, &(buffer[1]), 4); 327 } else if (buffer[1] == 0x9a && 328 ((buffer[2] == 0x20) || (buffer[2] == 0x21))) { 329 /* 330 * Set up non-EMP Mouseman/Trackman to put 331 * button bits in 3rd byte instead of sending 332 * via pseudo keyboard device. 333 */ 334 cmd = ADBLISTEN(adbaddr, 1); 335 buffer[0]=2; 336 buffer[1]=0x00; 337 buffer[2]=0x81; 338 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 339 340 cmd = ADBLISTEN(adbaddr, 1); 341 buffer[0]=2; 342 buffer[1]=0x01; 343 buffer[2]=0x81; 344 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 345 346 cmd = ADBLISTEN(adbaddr, 1); 347 buffer[0]=2; 348 buffer[1]=0x02; 349 buffer[2]=0x81; 350 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 351 352 cmd = ADBLISTEN(adbaddr, 1); 353 buffer[0]=2; 354 buffer[1]=0x03; 355 buffer[2]=0x38; 356 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 357 358 sc->sc_buttons = 3; 359 sc->sc_res = 400; 360 if (buffer[2] == 0x21) 361 sc->sc_class = MSCLASS_TRACKBALL; 362 else 363 sc->sc_class = MSCLASS_MOUSE; 364 } else 365 /* unknown device? */; 366 } else { 367 /* Attempt to initialize as an A3 mouse */ 368 buffer[2] = 0x03; /* make handler ID 3 */ 369 cmd = ADBLISTEN(adbaddr, 3); 370 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) { 371 #ifdef ADB_DEBUG 372 if (adb_debug) 373 printf("adb: ems_init timed out\n"); 374 #endif 375 return; 376 } 377 378 /* 379 * Check to see if successful, if not 380 * try to initialize it as other types 381 */ 382 cmd = ADBTALK(adbaddr, 3); 383 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0 384 && buffer[2] == ADBMS_MSA3) { 385 sc->handler_id = ADBMS_MSA3; 386 /* Initialize as above */ 387 cmd = ADBLISTEN(adbaddr, 2); 388 /* listen 2 */ 389 buffer[0] = 3; 390 buffer[1] = 0x00; 391 /* Irrelevant, buffer has 0x77 */ 392 buffer[2] = 0x07; 393 /* 394 * enable 3 button mode = 0111b, 395 * speed = normal 396 */ 397 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 398 sc->sc_buttons = 3; 399 sc->sc_res = 300; 400 } else { 401 /* No special support for this mouse */ 402 } 403 } 404 } 405 } 406 407 /* 408 * Handle putting the mouse data received from the ADB into 409 * an ADB event record. 410 */ 411 void 412 ms_adbcomplete(uint8_t *buffer, uint8_t *data_area, int adb_command) 413 { 414 adb_event_t event; 415 struct ams_softc *sc; 416 int adbaddr; 417 #ifdef ADB_DEBUG 418 int i; 419 420 if (adb_debug) 421 printf("adb: transaction completion\n"); 422 #endif 423 424 adbaddr = ADB_CMDADDR(adb_command); 425 sc = (struct ams_softc *)data_area; 426 427 if ((sc->handler_id == ADBMS_EXTENDED) && (sc->sc_devid[0] == 0)) { 428 /* massage the data to look like EMP data */ 429 if ((buffer[3] & 0x04) == 0x04) 430 buffer[1] &= 0x7f; 431 else 432 buffer[1] |= 0x80; 433 if ((buffer[3] & 0x02) == 0x02) 434 buffer[2] &= 0x7f; 435 else 436 buffer[2] |= 0x80; 437 if ((buffer[3] & 0x01) == 0x01) 438 buffer[3] = 0x00; 439 else 440 buffer[3] = 0x80; 441 } 442 443 event.addr = adbaddr; 444 event.hand_id = sc->handler_id; 445 event.def_addr = sc->origaddr; 446 event.byte_count = buffer[0]; 447 memcpy(event.bytes, buffer + 1, event.byte_count); 448 449 #ifdef ADB_DEBUG 450 if (adb_debug) { 451 printf("ams: from %d at %d (org %d) %d:", event.addr, 452 event.hand_id, event.def_addr, buffer[0]); 453 for (i = 1; i <= buffer[0]; i++) 454 printf(" %x", buffer[i]); 455 printf("\n"); 456 } 457 #endif 458 459 microtime(&event.timestamp); 460 461 ms_processevent(&event, sc); 462 } 463 464 /* 465 * Given a mouse ADB event, record the button settings, calculate the 466 * x- and y-axis motion, and handoff the event to the appropriate subsystem. 467 */ 468 static void 469 ms_processevent(adb_event_t *event, struct ams_softc *sc) 470 { 471 adb_event_t new_event; 472 int i, button_bit, max_byte, mask, buttons, dx, dy; 473 474 new_event = *event; 475 buttons = 0; 476 477 /* 478 * This should handle both plain ol' Apple mice and mice 479 * that claim to support the Extended Apple Mouse Protocol. 480 */ 481 max_byte = event->byte_count; 482 button_bit = 1; 483 switch (event->hand_id) { 484 case ADBMS_USPEED: 485 case ADBMS_UCONTOUR: 486 /* MicroSpeed mouse and Contour mouse */ 487 if (max_byte == 4) 488 buttons = (~event->bytes[2]) & 0xff; 489 else 490 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 491 break; 492 case ADBMS_MSA3: 493 /* Mouse Systems A3 mouse */ 494 if (max_byte == 3) 495 buttons = (~event->bytes[2]) & 0x07; 496 else 497 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 498 break; 499 default: 500 /* Classic Mouse Protocol (up to 2 buttons) */ 501 for (i = 0; i < 2; i++, button_bit <<= 1) 502 /* 0 when button down */ 503 if (!(event->bytes[i] & 0x80)) 504 buttons |= button_bit; 505 else 506 buttons &= ~button_bit; 507 /* Extended Protocol (up to 6 more buttons) */ 508 for (mask = 0x80; i < max_byte; 509 i += (mask == 0x80), button_bit <<= 1) { 510 /* 0 when button down */ 511 if (!(event->bytes[i] & mask)) 512 buttons |= button_bit; 513 else 514 buttons &= ~button_bit; 515 mask = ((mask >> 4) & 0xf) 516 | ((mask & 0xf) << 4); 517 } 518 break; 519 } 520 521 dx = ((int)(event->bytes[1] & 0x3f)) - 522 ((event->bytes[1] & 0x40) ? 64 : 0); 523 dy = ((int) (event->bytes[0] & 0x3f)) - 524 ((event->bytes[0] & 0x40) ? 64 : 0); 525 526 if (sc->sc_class == MSCLASS_TRACKPAD) { 527 if (sc->sc_tapping == 1) { 528 529 if (sc->sc_down) { 530 /* finger is down - collect motion data */ 531 sc->sc_x += dx; 532 sc->sc_y += dy; 533 } 534 switch (sc->sc_buttons) { 535 case 2: 536 ams_mangle_2(sc, buttons); 537 break; 538 case 4: 539 ams_mangle_4(sc, buttons); 540 break; 541 } 542 } 543 /* filter the pseudo-buttons out */ 544 buttons &= 1; 545 } 546 547 new_event.u.m.buttons = sc->sc_mb | buttons; 548 new_event.u.m.dx = dx; 549 new_event.u.m.dy = dy; 550 551 if (sc->sc_wsmousedev) 552 wsmouse_input(sc->sc_wsmousedev, new_event.u.m.buttons, 553 new_event.u.m.dx, -new_event.u.m.dy, 0, 0, 554 WSMOUSE_INPUT_DELTA); 555 #if NAED > 0 556 aed_input(&new_event); 557 #endif 558 } 559 560 static void 561 ams_mangle_2(struct ams_softc *sc, int buttons) 562 { 563 564 if (buttons & 4) { 565 /* finger down on pad */ 566 if (sc->sc_down == 0) { 567 sc->sc_down = 1; 568 sc->sc_x = 0; 569 sc->sc_y = 0; 570 } 571 } 572 if (buttons & 8) { 573 /* finger up */ 574 if (sc->sc_down) { 575 if (((sc->sc_x * sc->sc_x + 576 sc->sc_y * sc->sc_y) < 20) && 577 (sc->sc_wsmousedev)) { 578 /* 579 * if there wasn't much movement between 580 * finger down and up again we assume 581 * someone tapped the pad and we just 582 * send a mouse button event 583 */ 584 wsmouse_input(sc->sc_wsmousedev, 585 1, 0, 0, 0, 0, WSMOUSE_INPUT_DELTA); 586 } 587 sc->sc_down = 0; 588 } 589 } 590 } 591 592 static void 593 ams_mangle_4(struct ams_softc *sc, int buttons) 594 { 595 596 if (buttons & 0x20) { 597 /* finger down on pad */ 598 if (sc->sc_down == 0) { 599 sc->sc_down = 1; 600 sc->sc_x = 0; 601 sc->sc_y = 0; 602 } 603 } 604 if ((buttons & 0x20) == 0) { 605 /* finger up */ 606 if (sc->sc_down) { 607 if (((sc->sc_x * sc->sc_x + 608 sc->sc_y * sc->sc_y) < 20) && 609 (sc->sc_wsmousedev)) { 610 /* 611 * if there wasn't much movement between 612 * finger down and up again we assume 613 * someone tapped the pad and we just 614 * send a mouse button event 615 */ 616 wsmouse_input(sc->sc_wsmousedev, 617 1, 0, 0, 0, 0, WSMOUSE_INPUT_DELTA); 618 } 619 sc->sc_down = 0; 620 } 621 } 622 } 623 624 int 625 ams_enable(void *v) 626 { 627 return 0; 628 } 629 630 int 631 ams_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 632 { 633 634 switch (cmd) { 635 case WSMOUSEIO_GTYPE: 636 *(u_int *)data = WSMOUSE_TYPE_ADB; 637 break; 638 } 639 return EPASSTHROUGH; 640 } 641 642 void 643 ams_disable(void *v) 644 { 645 } 646 647 static void 648 init_trackpad(struct ams_softc *sc) 649 { 650 struct sysctlnode *me = NULL, *node = NULL; 651 int cmd, res, ret; 652 u_char buffer[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; 653 u_char b2[10]; 654 u_char b3[9] = {8, 0x99, 0x94, 0x19, 0xff, 0xb2, 0x8a, 0x1b, 0x50}; 655 656 cmd = ADBTALK(sc->adbaddr, 1); 657 res = adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 658 659 if (buffer[0] != 8) 660 return; 661 662 /* now whack the pad */ 663 cmd = ADBLISTEN(sc->adbaddr, 1); 664 memcpy(b2, buffer, 10); 665 b2[7] = 0x0d; 666 adb_op_sync((Ptr)b2, NULL, (Ptr)0, cmd); 667 668 cmd = ADBLISTEN(sc->adbaddr, 2); 669 adb_op_sync((Ptr)b3, NULL, (Ptr)0, cmd); 670 671 cmd = ADBLISTEN(sc->adbaddr, 1); 672 b2[7] = 0x03; 673 adb_op_sync((Ptr)b2, NULL, (Ptr)0, cmd); 674 675 buffer[0] = 0; 676 cmd = ADBFLUSH(sc->adbaddr); 677 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 678 679 /* 680 * setup a sysctl node to control whether tapping the pad should 681 * trigger mouse button events 682 */ 683 684 sc->sc_tapping = 1; 685 686 ret = sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&me, 687 CTLFLAG_READWRITE, 688 CTLTYPE_NODE, device_xname(sc->sc_dev), NULL, 689 NULL, 0, NULL, 0, 690 CTL_MACHDEP, CTL_CREATE, CTL_EOL); 691 692 ret=sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&node, 693 CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE, 694 CTLTYPE_INT, "tapping", "tapping the pad causes button events", 695 sysctl_ams_tap, 1, NULL, 0, 696 CTL_MACHDEP, me->sysctl_num, CTL_CREATE, CTL_EOL); 697 if (node != NULL) { 698 node->sysctl_data = sc; 699 } 700 } 701 702 static int 703 sysctl_ams_tap(SYSCTLFN_ARGS) 704 { 705 struct sysctlnode node = *rnode; 706 struct ams_softc *sc = node.sysctl_data; 707 708 node.sysctl_idata = sc->sc_tapping; 709 710 if (newp) { 711 712 /* we're asked to write */ 713 node.sysctl_data = &sc->sc_tapping; 714 if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) { 715 716 sc->sc_tapping = (node.sysctl_idata == 0) ? 0 : 1; 717 return 0; 718 } 719 return EINVAL; 720 } else { 721 722 node.sysctl_size = 4; 723 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 724 } 725 726 return 0; 727 } 728 729 SYSCTL_SETUP(sysctl_ams_setup, "sysctl ams subtree setup") 730 { 731 732 sysctl_createv(NULL, 0, NULL, NULL, 733 CTLFLAG_PERMANENT, 734 CTLTYPE_NODE, "machdep", NULL, 735 NULL, 0, NULL, 0, 736 CTL_MACHDEP, CTL_EOL); 737 } 738 739