ams.c revision 1.7
1 /* $NetBSD: ams.c,v 1.7 2000/03/19 07:37:58 scottr 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/param.h> 34 #include <sys/device.h> 35 #include <sys/fcntl.h> 36 #include <sys/poll.h> 37 #include <sys/select.h> 38 #include <sys/proc.h> 39 #include <sys/signalvar.h> 40 #include <sys/systm.h> 41 42 #include "aed.h" 43 #include "wsmouse.h" 44 45 #include <dev/wscons/wsconsio.h> 46 #include <dev/wscons/wsmousevar.h> 47 48 #include <machine/autoconf.h> 49 #include <machine/keyboard.h> 50 51 #include <mac68k/mac68k/macrom.h> 52 #include <mac68k/dev/adbvar.h> 53 #include <mac68k/dev/aedvar.h> 54 #include <mac68k/dev/amsvar.h> 55 56 /* 57 * Function declarations. 58 */ 59 static int amsmatch __P((struct device *, struct cfdata *, void *)); 60 static void amsattach __P((struct device *, struct device *, void *)); 61 static void ems_init __P((struct ams_softc *)); 62 static void ms_processevent __P((adb_event_t *event, struct ams_softc *)); 63 64 /* 65 * Global variables. 66 */ 67 extern int kbd_polling; /* Are we polling (Debugger mode)? from kbd.c */ 68 69 /* 70 * Local variables. 71 */ 72 static volatile int extdms_done; /* Did ADBOp() complete? */ 73 74 75 /* Driver definition. */ 76 struct cfattach ams_ca = { 77 sizeof(struct ams_softc), amsmatch, amsattach 78 }; 79 80 extern struct cfdriver ams_cd; 81 82 int ams_enable __P((void *)); 83 int ams_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 84 void ams_disable __P((void *)); 85 86 const struct wsmouse_accessops ams_accessops = { 87 ams_enable, 88 ams_ioctl, 89 ams_disable, 90 }; 91 92 static int 93 amsmatch(parent, cf, aux) 94 struct device *parent; 95 struct cfdata *cf; 96 void *aux; 97 { 98 struct adb_attach_args * aa_args = (struct adb_attach_args *)aux; 99 100 if (aa_args->origaddr == ADBADDR_MS) 101 return 1; 102 else 103 return 0; 104 } 105 106 static void 107 amsattach(parent, self, aux) 108 struct device *parent, *self; 109 void *aux; 110 { 111 ADBSetInfoBlock adbinfo; 112 struct ams_softc *sc = (struct ams_softc *)self; 113 struct adb_attach_args * aa_args = (struct adb_attach_args *)aux; 114 int error; 115 #if NWSMOUSE > 0 116 struct wsmousedev_attach_args a; 117 #endif 118 119 sc->origaddr = aa_args->origaddr; 120 sc->adbaddr = aa_args->adbaddr; 121 sc->handler_id = aa_args->handler_id; 122 123 sc->sc_class = MSCLASS_MOUSE; 124 sc->sc_buttons = 1; 125 sc->sc_res = 100; 126 sc->sc_devid[0] = 0; 127 sc->sc_devid[4] = 0; 128 129 adbinfo.siServiceRtPtr = (Ptr)adb_ms_asmcomplete; 130 adbinfo.siDataAreaAddr = (caddr_t)sc; 131 132 ems_init(sc); 133 134 /* print out the type of mouse we have */ 135 switch (sc->handler_id) { 136 case ADBMS_100DPI: 137 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 138 (int)(sc->sc_res)); 139 break; 140 case ADBMS_200DPI: 141 sc->sc_res = 200; 142 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 143 (int)(sc->sc_res)); 144 break; 145 case ADBMS_MSA3: 146 printf("Mouse Systems A3 mouse, %d-button, %d dpi\n", 147 sc->sc_buttons, (int)(sc->sc_res)); 148 break; 149 case ADBMS_USPEED: 150 printf("MicroSpeed mouse, default parameters\n"); 151 break; 152 case ADBMS_UCONTOUR: 153 printf("Contour mouse, default parameters\n"); 154 break; 155 case ADBMS_EXTENDED: 156 if (sc->sc_devid[0] == '\0') { 157 printf("Logitech "); 158 switch (sc->sc_class) { 159 case MSCLASS_MOUSE: 160 printf("MouseMan (non-EMP) mouse"); 161 break; 162 case MSCLASS_TRACKBALL: 163 printf("TrackMan (non-EMP) trackball"); 164 break; 165 default: 166 printf("non-EMP relative positioning device"); 167 break; 168 } 169 printf("\n"); 170 } else { 171 printf("EMP "); 172 switch (sc->sc_class) { 173 case MSCLASS_TABLET: 174 printf("tablet"); 175 break; 176 case MSCLASS_MOUSE: 177 printf("mouse"); 178 break; 179 case MSCLASS_TRACKBALL: 180 printf("trackball"); 181 break; 182 default: 183 printf("unknown device"); 184 break; 185 } 186 printf(" <%s> %d-button, %d dpi\n", sc->sc_devid, 187 sc->sc_buttons, (int)(sc->sc_res)); 188 } 189 break; 190 default: 191 printf("relative positioning device (mouse?) (%d)\n", 192 sc->handler_id); 193 break; 194 } 195 error = SetADBInfo(&adbinfo, sc->adbaddr); 196 #ifdef ADB_DEBUG 197 if (adb_debug) 198 printf("ams: returned %d from SetADBInfo\n", error); 199 #endif 200 201 #if NWSMOUSE > 0 202 a.accessops = &ams_accessops; 203 a.accesscookie = sc; 204 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); 205 #endif 206 } 207 208 209 /* 210 * Initialize extended mouse support -- probes devices as described 211 * in Inside Macintosh: Devices, Chapter 5 "ADB Manager". 212 * 213 * Extended Mouse Protocol is documented in TechNote HW1: 214 * "ADB - The Untold Story: Space Aliens Ate My Mouse" 215 * 216 * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe, 217 * Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan 218 */ 219 void 220 ems_init(sc) 221 struct ams_softc * sc; 222 { 223 int adbaddr, count; 224 short cmd; 225 u_char buffer[9]; 226 227 adbaddr = sc->adbaddr; 228 if (sc->origaddr != ADBADDR_MS) 229 return; 230 if (sc->handler_id == ADBMS_USPEED || 231 sc->handler_id == ADBMS_UCONTOUR) { 232 /* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */ 233 cmd = ADBLISTEN(adbaddr, 1); 234 235 /* 236 * To setup the MicroSpeed or the Contour, it appears 237 * that we can send the following command to the mouse 238 * and then expect data back in the form: 239 * buffer[0] = 4 (bytes) 240 * buffer[1], buffer[2] as std. mouse 241 * buffer[3] = buffer[4] = 0xff when no buttons 242 * are down. When button N down, bit N is clear. 243 * buffer[4]'s locking mask enables a 244 * click to toggle the button down state--sort of 245 * like the "Easy Access" shift/control/etc. keys. 246 * buffer[3]'s alternative speed mask enables using 247 * different speed when the corr. button is down 248 */ 249 buffer[0] = 4; 250 buffer[1] = 0x00; /* Alternative speed */ 251 buffer[2] = 0x00; /* speed = maximum */ 252 buffer[3] = 0x10; /* enable extended protocol, 253 * lower bits = alt. speed mask 254 * = 0000b 255 */ 256 buffer[4] = 0x07; /* Locking mask = 0000b, 257 * enable buttons = 0111b 258 */ 259 extdms_done = 0; 260 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 261 (Ptr)&extdms_done, cmd); 262 while (!extdms_done) 263 /* busy wait until done */; 264 265 sc->sc_buttons = 3; 266 sc->sc_res = 200; 267 return; 268 } 269 if ((sc->handler_id == ADBMS_100DPI) || 270 (sc->handler_id == ADBMS_200DPI)) { 271 /* found a mouse */ 272 cmd = ADBTALK(adbaddr, 3); 273 extdms_done = 0; 274 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 275 (Ptr)&extdms_done, cmd); 276 277 /* Wait until done, but no more than 2 secs */ 278 count = 40000; 279 while (!extdms_done && count-- > 0) 280 delay(50); 281 282 if (!extdms_done) { 283 #ifdef ADB_DEBUG 284 if (adb_debug) 285 printf("adb: extdms_init timed out\n"); 286 #endif 287 return; 288 } 289 290 /* Attempt to initialize Extended Mouse Protocol */ 291 buffer[2] = '\004'; /* make handler ID 4 */ 292 extdms_done = 0; 293 cmd = ADBLISTEN(adbaddr, 3); 294 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 295 (Ptr)&extdms_done, cmd); 296 while (!extdms_done) 297 /* busy wait until done */; 298 299 /* 300 * Check to see if successful, if not 301 * try to initialize it as other types 302 */ 303 cmd = ADBTALK(adbaddr, 3); 304 extdms_done = 0; 305 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 306 (Ptr)&extdms_done, cmd); 307 while (!extdms_done) 308 /* busy wait until done */; 309 310 if (buffer[2] == ADBMS_EXTENDED) { 311 sc->handler_id = ADBMS_EXTENDED; 312 extdms_done = 0; 313 /* talk register 1 */ 314 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 315 (Ptr)&extdms_done, (adbaddr << 4) | 0xd); 316 while (!extdms_done) 317 /* busy-wait until done */; 318 if (buffer[0] == 8) { 319 /* we have a true EMP device */ 320 sc->sc_class = buffer[7]; 321 sc->sc_buttons = buffer[8]; 322 sc->sc_res = (int)*(short *)&buffer[5]; 323 bcopy(&(buffer[1]), sc->sc_devid, 4); 324 } else if (buffer[1] == 0x9a && 325 ((buffer[2] == 0x20) || (buffer[2] == 0x21))) { 326 /* 327 * Set up non-EMP Mouseman/Trackman to put 328 * button bits in 3rd byte instead of sending 329 * via pseudo keyboard device. 330 */ 331 extdms_done = 0; 332 /* listen register 1 */ 333 buffer[0]=2; 334 buffer[1]=0x00; 335 buffer[2]=0x81; 336 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 337 (Ptr)&extdms_done, (adbaddr << 4) | 0x9); 338 while (!extdms_done) 339 /* busy-wait until done */; 340 extdms_done = 0; 341 /* listen register 1 */ 342 buffer[0]=2; 343 buffer[1]=0x01; 344 buffer[2]=0x81; 345 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 346 (Ptr)&extdms_done, (adbaddr << 4) | 0x9); 347 while (!extdms_done) 348 /* busy-wait until done */; 349 extdms_done = 0; 350 /* listen register 1 */ 351 buffer[0]=2; 352 buffer[1]=0x02; 353 buffer[2]=0x81; 354 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 355 (Ptr)&extdms_done, (adbaddr << 4) | 0x9); 356 while (!extdms_done) 357 /* busy-wait until done */; 358 extdms_done = 0; 359 /* listen register 1 */ 360 buffer[0]=2; 361 buffer[1]=0x03; 362 buffer[2]=0x38; 363 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 364 (Ptr)&extdms_done, (adbaddr << 4) | 0x9); 365 while (!extdms_done) 366 /* busy-wait until done */; 367 sc->sc_buttons = 3; 368 sc->sc_res = 400; 369 if (buffer[2] == 0x21) 370 sc->sc_class = MSCLASS_TRACKBALL; 371 else 372 sc->sc_class = MSCLASS_MOUSE; 373 } else 374 /* unknown device? */; 375 } else { 376 /* Attempt to initialize as an A3 mouse */ 377 buffer[2] = 0x03; /* make handler ID 3 */ 378 extdms_done = 0; 379 cmd = ADBLISTEN(adbaddr, 3); 380 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 381 (Ptr)&extdms_done, cmd); 382 while (!extdms_done) 383 /* busy wait until done */; 384 385 /* 386 * Check to see if successful, if not 387 * try to initialize it as other types 388 */ 389 cmd = ADBTALK(adbaddr, 3); 390 extdms_done = 0; 391 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 392 (Ptr)&extdms_done, cmd); 393 while (!extdms_done) 394 /* busy wait until done */; 395 396 if (buffer[2] == ADBMS_MSA3) { 397 sc->handler_id = ADBMS_MSA3; 398 /* Initialize as above */ 399 cmd = ADBLISTEN(adbaddr, 2); 400 /* listen 2 */ 401 buffer[0] = 3; 402 buffer[1] = 0x00; 403 /* Irrelevant, buffer has 0x77 */ 404 buffer[2] = 0x07; 405 /* 406 * enable 3 button mode = 0111b, 407 * speed = normal 408 */ 409 extdms_done = 0; 410 ADBOp((Ptr)buffer, (Ptr)extdms_complete, 411 (Ptr)&extdms_done, cmd); 412 while (!extdms_done) 413 /* busy wait until done */; 414 sc->sc_buttons = 3; 415 sc->sc_res = 300; 416 } else { 417 /* No special support for this mouse */ 418 } 419 } 420 } 421 } 422 423 /* 424 * Handle putting the mouse data received from the ADB into 425 * an ADB event record. 426 */ 427 void 428 ms_adbcomplete(buffer, data_area, adb_command) 429 caddr_t buffer; 430 caddr_t data_area; 431 int adb_command; 432 { 433 adb_event_t event; 434 struct ams_softc *amsc; 435 int adbaddr; 436 #ifdef ADB_DEBUG 437 int i; 438 439 if (adb_debug) 440 printf("adb: transaction completion\n"); 441 #endif 442 443 adbaddr = ADB_CMDADDR(adb_command); 444 amsc = (struct ams_softc *)data_area; 445 446 if ((amsc->handler_id == ADBMS_EXTENDED) && (amsc->sc_devid[0] == 0)) { 447 /* massage the data to look like EMP data */ 448 if ((buffer[3] & 0x04) == 0x04) 449 buffer[1] &= 0x7f; 450 else 451 buffer[1] |= 0x80; 452 if ((buffer[3] & 0x02) == 0x02) 453 buffer[2] &= 0x7f; 454 else 455 buffer[2] |= 0x80; 456 if ((buffer[3] & 0x01) == 0x01) 457 buffer[3] = 0x00; 458 else 459 buffer[3] = 0x80; 460 } 461 462 event.addr = adbaddr; 463 event.hand_id = amsc->handler_id; 464 event.def_addr = amsc->origaddr; 465 event.byte_count = buffer[0]; 466 memcpy(event.bytes, buffer + 1, event.byte_count); 467 468 #ifdef ADB_DEBUG 469 if (adb_debug) { 470 printf("ams: from %d at %d (org %d) %d:", event.addr, 471 event.hand_id, event.def_addr, buffer[0]); 472 for (i = 1; i <= buffer[0]; i++) 473 printf(" %x", buffer[i]); 474 printf("\n"); 475 } 476 #endif 477 478 microtime(&event.timestamp); 479 480 ms_processevent(&event, amsc); 481 } 482 483 /* 484 * Given a mouse ADB event, record the button settings, calculate the 485 * x- and y-axis motion, and handoff the event to the appropriate subsystem. 486 */ 487 static void 488 ms_processevent(event, amsc) 489 adb_event_t *event; 490 struct ams_softc *amsc; 491 { 492 adb_event_t new_event; 493 int i, button_bit, max_byte, mask, buttons; 494 495 new_event = *event; 496 buttons = 0; 497 498 /* 499 * This should handle both plain ol' Apple mice and mice 500 * that claim to support the Extended Apple Mouse Protocol. 501 */ 502 max_byte = event->byte_count; 503 button_bit = 1; 504 switch (event->hand_id) { 505 case ADBMS_USPEED: 506 case ADBMS_UCONTOUR: 507 /* MicroSpeed mouse and Contour mouse */ 508 if (max_byte == 4) 509 buttons = (~event->bytes[2]) & 0xff; 510 else 511 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 512 break; 513 case ADBMS_MSA3: 514 /* Mouse Systems A3 mouse */ 515 if (max_byte == 3) 516 buttons = (~event->bytes[2]) & 0x07; 517 else 518 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 519 break; 520 default: 521 /* Classic Mouse Protocol (up to 2 buttons) */ 522 for (i = 0; i < 2; i++, button_bit <<= 1) 523 /* 0 when button down */ 524 if (!(event->bytes[i] & 0x80)) 525 buttons |= button_bit; 526 else 527 buttons &= ~button_bit; 528 /* Extended Protocol (up to 6 more buttons) */ 529 for (mask = 0x80; i < max_byte; 530 i += (mask == 0x80), button_bit <<= 1) { 531 /* 0 when button down */ 532 if (!(event->bytes[i] & mask)) 533 buttons |= button_bit; 534 else 535 buttons &= ~button_bit; 536 mask = ((mask >> 4) & 0xf) 537 | ((mask & 0xf) << 4); 538 } 539 break; 540 } 541 new_event.u.m.buttons = amsc->sc_mb | buttons; 542 new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) - 543 ((event->bytes[1] & 0x40) ? 64 : 0); 544 new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) - 545 ((event->bytes[0] & 0x40) ? 64 : 0); 546 547 #if NAED > 0 548 if (!aed_input(&new_event)) 549 #endif 550 #if NWSMOUSE > 0 551 wsmouse_input(amsc->sc_wsmousedev, new_event.u.m.buttons, 552 new_event.u.m.dx, new_event.u.m.dy, 0, 0); 553 #else 554 /* do nothing */ ; 555 #endif 556 } 557 558 int 559 ams_enable(v) 560 void *v; 561 { 562 return 0; 563 } 564 565 int 566 ams_ioctl(v, cmd, data, flag, p) 567 void *v; 568 u_long cmd; 569 caddr_t data; 570 int flag; 571 struct proc *p; 572 { 573 return (ENOTTY); 574 } 575 576 void 577 ams_disable(v) 578 void *v; 579 { 580 } 581
Indexes created Tue Sep 23 14:10:03 GMT 2025