1 /* $NetBSD: ams.c,v 1.26 2010/12/10 00:17:08 macallan 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 1.26 2010/12/10 00:17:08 macallan 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(struct device *, struct cfdata *, void *); 62 static void amsattach(struct device *, struct device *, 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(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(struct device *parent, struct cfdata *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(struct device *parent, struct device *self, void *aux) 103 { 104 ADBSetInfoBlock adbinfo; 105 struct ams_softc *sc = (struct ams_softc *)self; 106 struct adb_attach_args *aa_args = aux; 107 int error; 108 struct wsmousedev_attach_args a; 109 110 sc->origaddr = aa_args->origaddr; 111 sc->adbaddr = aa_args->adbaddr; 112 sc->handler_id = aa_args->handler_id; 113 114 sc->sc_class = MSCLASS_MOUSE; 115 sc->sc_buttons = 1; 116 sc->sc_res = 100; 117 sc->sc_devid[0] = 0; 118 sc->sc_devid[4] = 0; 119 120 adbinfo.siServiceRtPtr = (Ptr)ms_adbcomplete; 121 adbinfo.siDataAreaAddr = (void *)sc; 122 123 ems_init(sc); 124 125 /* print out the type of mouse we have */ 126 switch (sc->handler_id) { 127 case ADBMS_100DPI: 128 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 129 (int)(sc->sc_res)); 130 break; 131 case ADBMS_200DPI: 132 sc->sc_res = 200; 133 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 134 (int)(sc->sc_res)); 135 break; 136 case ADBMS_MSA3: 137 printf("Mouse Systems A3 mouse, %d-button, %d dpi\n", 138 sc->sc_buttons, (int)(sc->sc_res)); 139 break; 140 case ADBMS_USPEED: 141 printf("MicroSpeed mouse, default parameters\n"); 142 break; 143 case ADBMS_UCONTOUR: 144 printf("Contour mouse, default parameters\n"); 145 break; 146 case ADBMS_TURBO: 147 printf("Kensington Turbo Mouse\n"); 148 break; 149 case ADBMS_EXTENDED: 150 if (sc->sc_devid[0] == '\0') { 151 printf("Logitech "); 152 switch (sc->sc_class) { 153 case MSCLASS_MOUSE: 154 printf("MouseMan (non-EMP) mouse"); 155 break; 156 case MSCLASS_TRACKBALL: 157 printf("TrackMan (non-EMP) trackball"); 158 break; 159 default: 160 printf("non-EMP relative positioning device"); 161 break; 162 } 163 printf("\n"); 164 } else { 165 printf("EMP "); 166 switch (sc->sc_class) { 167 case MSCLASS_TABLET: 168 printf("tablet"); 169 break; 170 case MSCLASS_MOUSE: 171 printf("mouse"); 172 break; 173 case MSCLASS_TRACKBALL: 174 printf("trackball"); 175 break; 176 case MSCLASS_TRACKPAD: 177 printf("trackpad"); 178 init_trackpad(sc); 179 break; 180 default: 181 printf("unknown device"); 182 break; 183 } 184 printf(" <%s> %d-button, %d dpi\n", sc->sc_devid, 185 sc->sc_buttons, (int)(sc->sc_res)); 186 } 187 break; 188 default: 189 printf("relative positioning device (mouse?) (%d)\n", 190 sc->handler_id); 191 break; 192 } 193 error = SetADBInfo(&adbinfo, sc->adbaddr); 194 #ifdef ADB_DEBUG 195 if (adb_debug) 196 printf("ams: returned %d from SetADBInfo\n", error); 197 #endif 198 199 a.accessops = &ams_accessops; 200 a.accesscookie = sc; 201 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); 202 } 203 204 205 /* 206 * Initialize extended mouse support -- probes devices as described 207 * in Inside Macintosh: Devices, Chapter 5 "ADB Manager". 208 * 209 * Extended Mouse Protocol is documented in TechNote HW1: 210 * "ADB - The Untold Story: Space Aliens Ate My Mouse" 211 * 212 * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe, 213 * Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan 214 */ 215 void 216 ems_init(struct ams_softc *sc) 217 { 218 int adbaddr; 219 short cmd; 220 u_char buffer[9]; 221 222 adbaddr = sc->adbaddr; 223 if (sc->origaddr != ADBADDR_MS) 224 return; 225 if (sc->handler_id == ADBMS_USPEED || 226 sc->handler_id == ADBMS_UCONTOUR) { 227 /* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */ 228 cmd = ADBLISTEN(adbaddr, 1); 229 230 /* 231 * To setup the MicroSpeed or the Contour, it appears 232 * that we can send the following command to the mouse 233 * and then expect data back in the form: 234 * buffer[0] = 4 (bytes) 235 * buffer[1], buffer[2] as std. mouse 236 * buffer[3] = buffer[4] = 0xff when no buttons 237 * are down. When button N down, bit N is clear. 238 * buffer[4]'s locking mask enables a 239 * click to toggle the button down state--sort of 240 * like the "Easy Access" shift/control/etc. keys. 241 * buffer[3]'s alternative speed mask enables using 242 * different speed when the corr. button is down 243 */ 244 buffer[0] = 4; 245 buffer[1] = 0x00; /* Alternative speed */ 246 buffer[2] = 0x00; /* speed = maximum */ 247 buffer[3] = 0x10; /* enable extended protocol, 248 * lower bits = alt. speed mask 249 * = 0000b 250 */ 251 buffer[4] = 0x07; /* Locking mask = 0000b, 252 * enable buttons = 0111b 253 */ 254 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 255 256 sc->sc_buttons = 3; 257 sc->sc_res = 200; 258 return; 259 } 260 if (sc->handler_id == ADBMS_TURBO) { 261 /* Found Kensington Turbo Mouse */ 262 static u_char data1[] = 263 { 8, 0xe7, 0x8c, 0, 0, 0, 0xff, 0xff, 0x94 }; 264 static u_char data2[] = 265 { 8, 0xa5, 0x14, 0, 0, 0x69, 0xff, 0xff, 0x27 }; 266 267 buffer[0] = 0; 268 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr)); 269 270 adb_op_sync((Ptr)data1, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2)); 271 272 buffer[0] = 0; 273 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, ADBFLUSH(adbaddr)); 274 275 adb_op_sync((Ptr)data2, NULL, (Ptr)0, ADBLISTEN(adbaddr, 2)); 276 return; 277 } 278 if ((sc->handler_id == ADBMS_100DPI) || 279 (sc->handler_id == ADBMS_200DPI)) { 280 /* found a mouse */ 281 cmd = ADBTALK(adbaddr, 3); 282 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) { 283 #ifdef ADB_DEBUG 284 if (adb_debug) 285 printf("adb: ems_init timed out\n"); 286 #endif 287 return; 288 } 289 290 /* Attempt to initialize Extended Mouse Protocol */ 291 buffer[2] = 4; /* make handler ID 4 */ 292 cmd = ADBLISTEN(adbaddr, 3); 293 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) { 294 #ifdef ADB_DEBUG 295 if (adb_debug) 296 printf("adb: ems_init timed out\n"); 297 #endif 298 return; 299 } 300 301 /* 302 * Check to see if successful, if not 303 * try to initialize it as other types 304 */ 305 cmd = ADBTALK(adbaddr, 3); 306 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0 && 307 buffer[2] == ADBMS_EXTENDED) { 308 sc->handler_id = ADBMS_EXTENDED; 309 cmd = ADBTALK(adbaddr, 1); 310 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) { 311 #ifdef ADB_DEBUG 312 if (adb_debug) 313 printf("adb: ems_init timed out\n"); 314 #endif 315 } else if (buffer[0] == 8) { 316 /* we have a true EMP device */ 317 #ifdef ADB_PRINT_EMP 318 printf("EMP: %02x %02x %02x %02x %02x %02x %02x %02x\n", 319 buffer[1], buffer[2], buffer[3], buffer[4], 320 buffer[5], buffer[6], buffer[7], buffer[8]); 321 #endif 322 sc->sc_class = buffer[7]; 323 sc->sc_buttons = buffer[8]; 324 sc->sc_res = (int)*(short *)&buffer[5]; 325 memcpy(sc->sc_devid, &(buffer[1]), 4); 326 } else if (buffer[1] == 0x9a && 327 ((buffer[2] == 0x20) || (buffer[2] == 0x21))) { 328 /* 329 * Set up non-EMP Mouseman/Trackman to put 330 * button bits in 3rd byte instead of sending 331 * via pseudo keyboard device. 332 */ 333 cmd = ADBLISTEN(adbaddr, 1); 334 buffer[0]=2; 335 buffer[1]=0x00; 336 buffer[2]=0x81; 337 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 338 339 cmd = ADBLISTEN(adbaddr, 1); 340 buffer[0]=2; 341 buffer[1]=0x01; 342 buffer[2]=0x81; 343 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 344 345 cmd = ADBLISTEN(adbaddr, 1); 346 buffer[0]=2; 347 buffer[1]=0x02; 348 buffer[2]=0x81; 349 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 350 351 cmd = ADBLISTEN(adbaddr, 1); 352 buffer[0]=2; 353 buffer[1]=0x03; 354 buffer[2]=0x38; 355 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 356 357 sc->sc_buttons = 3; 358 sc->sc_res = 400; 359 if (buffer[2] == 0x21) 360 sc->sc_class = MSCLASS_TRACKBALL; 361 else 362 sc->sc_class = MSCLASS_MOUSE; 363 } else 364 /* unknown device? */; 365 } else { 366 /* Attempt to initialize as an A3 mouse */ 367 buffer[2] = 0x03; /* make handler ID 3 */ 368 cmd = ADBLISTEN(adbaddr, 3); 369 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd)) { 370 #ifdef ADB_DEBUG 371 if (adb_debug) 372 printf("adb: ems_init timed out\n"); 373 #endif 374 return; 375 } 376 377 /* 378 * Check to see if successful, if not 379 * try to initialize it as other types 380 */ 381 cmd = ADBTALK(adbaddr, 3); 382 if (adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd) == 0 383 && buffer[2] == ADBMS_MSA3) { 384 sc->handler_id = ADBMS_MSA3; 385 /* Initialize as above */ 386 cmd = ADBLISTEN(adbaddr, 2); 387 /* listen 2 */ 388 buffer[0] = 3; 389 buffer[1] = 0x00; 390 /* Irrelevant, buffer has 0x77 */ 391 buffer[2] = 0x07; 392 /* 393 * enable 3 button mode = 0111b, 394 * speed = normal 395 */ 396 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 397 sc->sc_buttons = 3; 398 sc->sc_res = 300; 399 } else { 400 /* No special support for this mouse */ 401 } 402 } 403 } 404 } 405 406 /* 407 * Handle putting the mouse data received from the ADB into 408 * an ADB event record. 409 */ 410 void 411 ms_adbcomplete(uint8_t *buffer, uint8_t *data_area, int adb_command) 412 { 413 adb_event_t event; 414 struct ams_softc *sc; 415 int adbaddr; 416 #ifdef ADB_DEBUG 417 int i; 418 419 if (adb_debug) 420 printf("adb: transaction completion\n"); 421 #endif 422 423 adbaddr = ADB_CMDADDR(adb_command); 424 sc = (struct ams_softc *)data_area; 425 426 if ((sc->handler_id == ADBMS_EXTENDED) && (sc->sc_devid[0] == 0)) { 427 /* massage the data to look like EMP data */ 428 if ((buffer[3] & 0x04) == 0x04) 429 buffer[1] &= 0x7f; 430 else 431 buffer[1] |= 0x80; 432 if ((buffer[3] & 0x02) == 0x02) 433 buffer[2] &= 0x7f; 434 else 435 buffer[2] |= 0x80; 436 if ((buffer[3] & 0x01) == 0x01) 437 buffer[3] = 0x00; 438 else 439 buffer[3] = 0x80; 440 } 441 442 event.addr = adbaddr; 443 event.hand_id = sc->handler_id; 444 event.def_addr = sc->origaddr; 445 event.byte_count = buffer[0]; 446 memcpy(event.bytes, buffer + 1, event.byte_count); 447 448 #ifdef ADB_DEBUG 449 if (adb_debug) { 450 printf("ams: from %d at %d (org %d) %d:", event.addr, 451 event.hand_id, event.def_addr, buffer[0]); 452 for (i = 1; i <= buffer[0]; i++) 453 printf(" %x", buffer[i]); 454 printf("\n"); 455 } 456 #endif 457 458 microtime(&event.timestamp); 459 460 ms_processevent(&event, sc); 461 } 462 463 /* 464 * Given a mouse ADB event, record the button settings, calculate the 465 * x- and y-axis motion, and handoff the event to the appropriate subsystem. 466 */ 467 static void 468 ms_processevent(adb_event_t *event, struct ams_softc *sc) 469 { 470 adb_event_t new_event; 471 int i, button_bit, max_byte, mask, buttons, dx, dy; 472 473 new_event = *event; 474 buttons = 0; 475 476 /* 477 * This should handle both plain ol' Apple mice and mice 478 * that claim to support the Extended Apple Mouse Protocol. 479 */ 480 max_byte = event->byte_count; 481 button_bit = 1; 482 switch (event->hand_id) { 483 case ADBMS_USPEED: 484 case ADBMS_UCONTOUR: 485 /* MicroSpeed mouse and Contour mouse */ 486 if (max_byte == 4) 487 buttons = (~event->bytes[2]) & 0xff; 488 else 489 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 490 break; 491 case ADBMS_MSA3: 492 /* Mouse Systems A3 mouse */ 493 if (max_byte == 3) 494 buttons = (~event->bytes[2]) & 0x07; 495 else 496 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 497 break; 498 default: 499 /* Classic Mouse Protocol (up to 2 buttons) */ 500 for (i = 0; i < 2; i++, button_bit <<= 1) 501 /* 0 when button down */ 502 if (!(event->bytes[i] & 0x80)) 503 buttons |= button_bit; 504 else 505 buttons &= ~button_bit; 506 /* Extended Protocol (up to 6 more buttons) */ 507 for (mask = 0x80; i < max_byte; 508 i += (mask == 0x80), button_bit <<= 1) { 509 /* 0 when button down */ 510 if (!(event->bytes[i] & mask)) 511 buttons |= button_bit; 512 else 513 buttons &= ~button_bit; 514 mask = ((mask >> 4) & 0xf) 515 | ((mask & 0xf) << 4); 516 } 517 break; 518 } 519 520 dx = ((int)(event->bytes[1] & 0x3f)) - 521 ((event->bytes[1] & 0x40) ? 64 : 0); 522 dy = ((int) (event->bytes[0] & 0x3f)) - 523 ((event->bytes[0] & 0x40) ? 64 : 0); 524 525 if (sc->sc_class == MSCLASS_TRACKPAD) { 526 if (sc->sc_tapping == 1) { 527 528 if (sc->sc_down) { 529 /* finger is down - collect motion data */ 530 sc->sc_x += dx; 531 sc->sc_y += dy; 532 } 533 switch (sc->sc_buttons) { 534 case 2: 535 ams_mangle_2(sc, buttons); 536 break; 537 case 4: 538 ams_mangle_4(sc, buttons); 539 break; 540 } 541 } 542 /* filter the pseudo-buttons out */ 543 buttons &= 1; 544 } 545 546 new_event.u.m.buttons = sc->sc_mb | buttons; 547 new_event.u.m.dx = dx; 548 new_event.u.m.dy = dy; 549 550 if (sc->sc_wsmousedev) 551 wsmouse_input(sc->sc_wsmousedev, new_event.u.m.buttons, 552 new_event.u.m.dx, -new_event.u.m.dy, 0, 0, 553 WSMOUSE_INPUT_DELTA); 554 #if NAED > 0 555 aed_input(&new_event); 556 #endif 557 } 558 559 static void 560 ams_mangle_2(struct ams_softc *sc, int buttons) 561 { 562 563 if (buttons & 4) { 564 /* finger down on pad */ 565 if (sc->sc_down == 0) { 566 sc->sc_down = 1; 567 sc->sc_x = 0; 568 sc->sc_y = 0; 569 } 570 } 571 if (buttons & 8) { 572 /* finger up */ 573 if (sc->sc_down) { 574 if (((sc->sc_x * sc->sc_x + 575 sc->sc_y * sc->sc_y) < 20) && 576 (sc->sc_wsmousedev)) { 577 /* 578 * if there wasn't much movement between 579 * finger down and up again we assume 580 * someone tapped the pad and we just 581 * send a mouse button event 582 */ 583 wsmouse_input(sc->sc_wsmousedev, 584 1, 0, 0, 0, 0, WSMOUSE_INPUT_DELTA); 585 } 586 sc->sc_down = 0; 587 } 588 } 589 } 590 591 static void 592 ams_mangle_4(struct ams_softc *sc, int buttons) 593 { 594 595 if (buttons & 0x20) { 596 /* finger down on pad */ 597 if (sc->sc_down == 0) { 598 sc->sc_down = 1; 599 sc->sc_x = 0; 600 sc->sc_y = 0; 601 } 602 } 603 if ((buttons & 0x20) == 0) { 604 /* finger up */ 605 if (sc->sc_down) { 606 if (((sc->sc_x * sc->sc_x + 607 sc->sc_y * sc->sc_y) < 20) && 608 (sc->sc_wsmousedev)) { 609 /* 610 * if there wasn't much movement between 611 * finger down and up again we assume 612 * someone tapped the pad and we just 613 * send a mouse button event 614 */ 615 wsmouse_input(sc->sc_wsmousedev, 616 1, 0, 0, 0, 0, WSMOUSE_INPUT_DELTA); 617 } 618 sc->sc_down = 0; 619 } 620 } 621 } 622 623 int 624 ams_enable(void *v) 625 { 626 return 0; 627 } 628 629 int 630 ams_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l) 631 { 632 633 switch (cmd) { 634 case WSMOUSEIO_GTYPE: 635 *(u_int *)data = WSMOUSE_TYPE_ADB; 636 break; 637 } 638 return EPASSTHROUGH; 639 } 640 641 void 642 ams_disable(void *v) 643 { 644 } 645 646 static void 647 init_trackpad(struct ams_softc *sc) 648 { 649 struct sysctlnode *me = NULL, *node = NULL; 650 int cmd, res, ret; 651 u_char buffer[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; 652 u_char b2[10]; 653 u_char b3[9] = {8, 0x99, 0x94, 0x19, 0xff, 0xb2, 0x8a, 0x1b, 0x50}; 654 655 cmd = ADBTALK(sc->adbaddr, 1); 656 res = adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 657 658 if (buffer[0] != 8) 659 return; 660 661 /* now whack the pad */ 662 cmd = ADBLISTEN(sc->adbaddr, 1); 663 memcpy(b2, buffer, 10); 664 b2[7] = 0x0d; 665 adb_op_sync((Ptr)b2, NULL, (Ptr)0, cmd); 666 667 cmd = ADBLISTEN(sc->adbaddr, 2); 668 adb_op_sync((Ptr)b3, NULL, (Ptr)0, cmd); 669 670 cmd = ADBLISTEN(sc->adbaddr, 1); 671 b2[7] = 0x03; 672 adb_op_sync((Ptr)b2, NULL, (Ptr)0, cmd); 673 674 buffer[0] = 0; 675 cmd = ADBFLUSH(sc->adbaddr); 676 adb_op_sync((Ptr)buffer, NULL, (Ptr)0, cmd); 677 678 /* 679 * setup a sysctl node to control wether tapping the pad should 680 * trigger mouse button events 681 */ 682 683 sc->sc_tapping = 1; 684 685 ret = sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&me, 686 CTLFLAG_READWRITE, 687 CTLTYPE_NODE, sc->sc_dev.dv_xname, NULL, 688 NULL, 0, NULL, 0, 689 CTL_MACHDEP, CTL_CREATE, CTL_EOL); 690 691 ret=sysctl_createv(NULL, 0, NULL, (const struct sysctlnode **)&node, 692 CTLFLAG_READWRITE | CTLFLAG_OWNDESC | CTLFLAG_IMMEDIATE, 693 CTLTYPE_INT, "tapping", "tapping the pad causes button events", 694 sysctl_ams_tap, 1, NULL, 0, 695 CTL_MACHDEP, me->sysctl_num, CTL_CREATE, CTL_EOL); 696 if (node != NULL) { 697 node->sysctl_data = sc; 698 } 699 } 700 701 static int 702 sysctl_ams_tap(SYSCTLFN_ARGS) 703 { 704 struct sysctlnode node = *rnode; 705 struct ams_softc *sc = node.sysctl_data; 706 707 node.sysctl_idata = sc->sc_tapping; 708 709 if (newp) { 710 711 /* we're asked to write */ 712 node.sysctl_data = &sc->sc_tapping; 713 if (sysctl_lookup(SYSCTLFN_CALL(&node)) == 0) { 714 715 sc->sc_tapping = (node.sysctl_idata == 0) ? 0 : 1; 716 return 0; 717 } 718 return EINVAL; 719 } else { 720 721 node.sysctl_size = 4; 722 return (sysctl_lookup(SYSCTLFN_CALL(&node))); 723 } 724 725 return 0; 726 } 727 728 SYSCTL_SETUP(sysctl_ams_setup, "sysctl ams subtree setup") 729 { 730 731 sysctl_createv(NULL, 0, NULL, NULL, 732 CTLFLAG_PERMANENT, 733 CTLTYPE_NODE, "machdep", NULL, 734 NULL, 0, NULL, 0, 735 CTL_MACHDEP, CTL_EOL); 736 } 737 738