ams.c revision 1.13
1 /* $NetBSD: ams.c,v 1.13 2002/10/02 05:36:37 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/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 73 /* Driver definition. */ 74 CFATTACH_DECL(ams, sizeof(struct ams_softc), 75 amsmatch, amsattach, NULL, NULL); 76 77 extern struct cfdriver ams_cd; 78 79 int ams_enable __P((void *)); 80 int ams_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 81 void ams_disable __P((void *)); 82 83 const struct wsmouse_accessops ams_accessops = { 84 ams_enable, 85 ams_ioctl, 86 ams_disable, 87 }; 88 89 static int 90 amsmatch(parent, cf, aux) 91 struct device *parent; 92 struct cfdata *cf; 93 void *aux; 94 { 95 struct adb_attach_args * aa_args = (struct adb_attach_args *)aux; 96 97 if (aa_args->origaddr == ADBADDR_MS) 98 return 1; 99 else 100 return 0; 101 } 102 103 static void 104 amsattach(parent, self, aux) 105 struct device *parent, *self; 106 void *aux; 107 { 108 ADBSetInfoBlock adbinfo; 109 struct ams_softc *sc = (struct ams_softc *)self; 110 struct adb_attach_args * aa_args = (struct adb_attach_args *)aux; 111 int error; 112 #if NWSMOUSE > 0 113 struct wsmousedev_attach_args a; 114 #endif 115 116 sc->origaddr = aa_args->origaddr; 117 sc->adbaddr = aa_args->adbaddr; 118 sc->handler_id = aa_args->handler_id; 119 120 sc->sc_class = MSCLASS_MOUSE; 121 sc->sc_buttons = 1; 122 sc->sc_res = 100; 123 sc->sc_devid[0] = 0; 124 sc->sc_devid[4] = 0; 125 126 adbinfo.siServiceRtPtr = (Ptr)adb_ms_asmcomplete; 127 adbinfo.siDataAreaAddr = (caddr_t)sc; 128 129 ems_init(sc); 130 131 /* print out the type of mouse we have */ 132 switch (sc->handler_id) { 133 case ADBMS_100DPI: 134 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 135 (int)(sc->sc_res)); 136 break; 137 case ADBMS_200DPI: 138 sc->sc_res = 200; 139 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 140 (int)(sc->sc_res)); 141 break; 142 case ADBMS_MSA3: 143 printf("Mouse Systems A3 mouse, %d-button, %d dpi\n", 144 sc->sc_buttons, (int)(sc->sc_res)); 145 break; 146 case ADBMS_USPEED: 147 printf("MicroSpeed mouse, default parameters\n"); 148 break; 149 case ADBMS_UCONTOUR: 150 printf("Contour mouse, default parameters\n"); 151 break; 152 case ADBMS_EXTENDED: 153 if (sc->sc_devid[0] == '\0') { 154 printf("Logitech "); 155 switch (sc->sc_class) { 156 case MSCLASS_MOUSE: 157 printf("MouseMan (non-EMP) mouse"); 158 break; 159 case MSCLASS_TRACKBALL: 160 printf("TrackMan (non-EMP) trackball"); 161 break; 162 default: 163 printf("non-EMP relative positioning device"); 164 break; 165 } 166 printf("\n"); 167 } else { 168 printf("EMP "); 169 switch (sc->sc_class) { 170 case MSCLASS_TABLET: 171 printf("tablet"); 172 break; 173 case MSCLASS_MOUSE: 174 printf("mouse"); 175 break; 176 case MSCLASS_TRACKBALL: 177 printf("trackball"); 178 break; 179 default: 180 printf("unknown device"); 181 break; 182 } 183 printf(" <%s> %d-button, %d dpi\n", sc->sc_devid, 184 sc->sc_buttons, (int)(sc->sc_res)); 185 } 186 break; 187 default: 188 printf("relative positioning device (mouse?) (%d)\n", 189 sc->handler_id); 190 break; 191 } 192 error = SetADBInfo(&adbinfo, sc->adbaddr); 193 #ifdef ADB_DEBUG 194 if (adb_debug) 195 printf("ams: returned %d from SetADBInfo\n", error); 196 #endif 197 198 #if NWSMOUSE > 0 199 a.accessops = &ams_accessops; 200 a.accesscookie = sc; 201 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); 202 #endif 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(sc) 218 struct ams_softc * sc; 219 { 220 int adbaddr; 221 short cmd; 222 u_char buffer[9]; 223 224 adbaddr = sc->adbaddr; 225 if (sc->origaddr != ADBADDR_MS) 226 return; 227 if (sc->handler_id == ADBMS_USPEED || 228 sc->handler_id == ADBMS_UCONTOUR) { 229 /* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */ 230 cmd = ADBLISTEN(adbaddr, 1); 231 232 /* 233 * To setup the MicroSpeed or the Contour, it appears 234 * that we can send the following command to the mouse 235 * and then expect data back in the form: 236 * buffer[0] = 4 (bytes) 237 * buffer[1], buffer[2] as std. mouse 238 * buffer[3] = buffer[4] = 0xff when no buttons 239 * are down. When button N down, bit N is clear. 240 * buffer[4]'s locking mask enables a 241 * click to toggle the button down state--sort of 242 * like the "Easy Access" shift/control/etc. keys. 243 * buffer[3]'s alternative speed mask enables using 244 * different speed when the corr. button is down 245 */ 246 buffer[0] = 4; 247 buffer[1] = 0x00; /* Alternative speed */ 248 buffer[2] = 0x00; /* speed = maximum */ 249 buffer[3] = 0x10; /* enable extended protocol, 250 * lower bits = alt. speed mask 251 * = 0000b 252 */ 253 buffer[4] = 0x07; /* Locking mask = 0000b, 254 * enable buttons = 0111b 255 */ 256 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 257 258 sc->sc_buttons = 3; 259 sc->sc_res = 200; 260 return; 261 } 262 if ((sc->handler_id == ADBMS_100DPI) || 263 (sc->handler_id == ADBMS_200DPI)) { 264 /* found a mouse */ 265 cmd = ADBTALK(adbaddr, 3); 266 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) { 267 #ifdef ADB_DEBUG 268 if (adb_debug) 269 printf("adb: ems_init timed out\n"); 270 #endif 271 return; 272 } 273 274 /* Attempt to initialize Extended Mouse Protocol */ 275 buffer[2] = 4; /* make handler ID 4 */ 276 cmd = ADBLISTEN(adbaddr, 3); 277 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) { 278 #ifdef ADB_DEBUG 279 if (adb_debug) 280 printf("adb: ems_init timed out\n"); 281 #endif 282 return; 283 } 284 285 /* 286 * Check to see if successful, if not 287 * try to initialize it as other types 288 */ 289 cmd = ADBTALK(adbaddr, 3); 290 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 && 291 buffer[2] == ADBMS_EXTENDED) { 292 sc->handler_id = ADBMS_EXTENDED; 293 cmd = ADBTALK(adbaddr, 1); 294 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) { 295 #ifdef ADB_DEBUG 296 if (adb_debug) 297 printf("adb: ems_init timed out\n"); 298 #endif 299 } else if (buffer[0] == 8) { 300 /* we have a true EMP device */ 301 sc->sc_class = buffer[7]; 302 sc->sc_buttons = buffer[8]; 303 sc->sc_res = (int)*(short *)&buffer[5]; 304 bcopy(&(buffer[1]), sc->sc_devid, 4); 305 } else if (buffer[1] == 0x9a && 306 ((buffer[2] == 0x20) || (buffer[2] == 0x21))) { 307 /* 308 * Set up non-EMP Mouseman/Trackman to put 309 * button bits in 3rd byte instead of sending 310 * via pseudo keyboard device. 311 */ 312 cmd = ADBLISTEN(adbaddr, 1); 313 buffer[0]=2; 314 buffer[1]=0x00; 315 buffer[2]=0x81; 316 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 317 318 cmd = ADBLISTEN(adbaddr, 1); 319 buffer[0]=2; 320 buffer[1]=0x01; 321 buffer[2]=0x81; 322 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 323 324 cmd = ADBLISTEN(adbaddr, 1); 325 buffer[0]=2; 326 buffer[1]=0x02; 327 buffer[2]=0x81; 328 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 329 330 cmd = ADBLISTEN(adbaddr, 1); 331 buffer[0]=2; 332 buffer[1]=0x03; 333 buffer[2]=0x38; 334 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 335 336 sc->sc_buttons = 3; 337 sc->sc_res = 400; 338 if (buffer[2] == 0x21) 339 sc->sc_class = MSCLASS_TRACKBALL; 340 else 341 sc->sc_class = MSCLASS_MOUSE; 342 } else 343 /* unknown device? */; 344 } else { 345 /* Attempt to initialize as an A3 mouse */ 346 buffer[2] = 0x03; /* make handler ID 3 */ 347 cmd = ADBLISTEN(adbaddr, 3); 348 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) { 349 #ifdef ADB_DEBUG 350 if (adb_debug) 351 printf("adb: ems_init timed out\n"); 352 #endif 353 return; 354 } 355 356 /* 357 * Check to see if successful, if not 358 * try to initialize it as other types 359 */ 360 cmd = ADBTALK(adbaddr, 3); 361 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 362 && buffer[2] == ADBMS_MSA3) { 363 sc->handler_id = ADBMS_MSA3; 364 /* Initialize as above */ 365 cmd = ADBLISTEN(adbaddr, 2); 366 /* listen 2 */ 367 buffer[0] = 3; 368 buffer[1] = 0x00; 369 /* Irrelevant, buffer has 0x77 */ 370 buffer[2] = 0x07; 371 /* 372 * enable 3 button mode = 0111b, 373 * speed = normal 374 */ 375 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 376 sc->sc_buttons = 3; 377 sc->sc_res = 300; 378 } else { 379 /* No special support for this mouse */ 380 } 381 } 382 } 383 } 384 385 /* 386 * Handle putting the mouse data received from the ADB into 387 * an ADB event record. 388 */ 389 void 390 ms_adbcomplete(buffer, data_area, adb_command) 391 caddr_t buffer; 392 caddr_t data_area; 393 int adb_command; 394 { 395 adb_event_t event; 396 struct ams_softc *amsc; 397 int adbaddr; 398 #ifdef ADB_DEBUG 399 int i; 400 401 if (adb_debug) 402 printf("adb: transaction completion\n"); 403 #endif 404 405 adbaddr = ADB_CMDADDR(adb_command); 406 amsc = (struct ams_softc *)data_area; 407 408 if ((amsc->handler_id == ADBMS_EXTENDED) && (amsc->sc_devid[0] == 0)) { 409 /* massage the data to look like EMP data */ 410 if ((buffer[3] & 0x04) == 0x04) 411 buffer[1] &= 0x7f; 412 else 413 buffer[1] |= 0x80; 414 if ((buffer[3] & 0x02) == 0x02) 415 buffer[2] &= 0x7f; 416 else 417 buffer[2] |= 0x80; 418 if ((buffer[3] & 0x01) == 0x01) 419 buffer[3] = 0x00; 420 else 421 buffer[3] = 0x80; 422 } 423 424 event.addr = adbaddr; 425 event.hand_id = amsc->handler_id; 426 event.def_addr = amsc->origaddr; 427 event.byte_count = buffer[0]; 428 memcpy(event.bytes, buffer + 1, event.byte_count); 429 430 #ifdef ADB_DEBUG 431 if (adb_debug) { 432 printf("ams: from %d at %d (org %d) %d:", event.addr, 433 event.hand_id, event.def_addr, buffer[0]); 434 for (i = 1; i <= buffer[0]; i++) 435 printf(" %x", buffer[i]); 436 printf("\n"); 437 } 438 #endif 439 440 microtime(&event.timestamp); 441 442 ms_processevent(&event, amsc); 443 } 444 445 /* 446 * Given a mouse ADB event, record the button settings, calculate the 447 * x- and y-axis motion, and handoff the event to the appropriate subsystem. 448 */ 449 static void 450 ms_processevent(event, amsc) 451 adb_event_t *event; 452 struct ams_softc *amsc; 453 { 454 adb_event_t new_event; 455 int i, button_bit, max_byte, mask, buttons; 456 457 new_event = *event; 458 buttons = 0; 459 460 /* 461 * This should handle both plain ol' Apple mice and mice 462 * that claim to support the Extended Apple Mouse Protocol. 463 */ 464 max_byte = event->byte_count; 465 button_bit = 1; 466 switch (event->hand_id) { 467 case ADBMS_USPEED: 468 case ADBMS_UCONTOUR: 469 /* MicroSpeed mouse and Contour mouse */ 470 if (max_byte == 4) 471 buttons = (~event->bytes[2]) & 0xff; 472 else 473 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 474 break; 475 case ADBMS_MSA3: 476 /* Mouse Systems A3 mouse */ 477 if (max_byte == 3) 478 buttons = (~event->bytes[2]) & 0x07; 479 else 480 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 481 break; 482 default: 483 /* Classic Mouse Protocol (up to 2 buttons) */ 484 for (i = 0; i < 2; i++, button_bit <<= 1) 485 /* 0 when button down */ 486 if (!(event->bytes[i] & 0x80)) 487 buttons |= button_bit; 488 else 489 buttons &= ~button_bit; 490 /* Extended Protocol (up to 6 more buttons) */ 491 for (mask = 0x80; i < max_byte; 492 i += (mask == 0x80), button_bit <<= 1) { 493 /* 0 when button down */ 494 if (!(event->bytes[i] & mask)) 495 buttons |= button_bit; 496 else 497 buttons &= ~button_bit; 498 mask = ((mask >> 4) & 0xf) 499 | ((mask & 0xf) << 4); 500 } 501 break; 502 } 503 new_event.u.m.buttons = amsc->sc_mb | buttons; 504 new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) - 505 ((event->bytes[1] & 0x40) ? 64 : 0); 506 new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) - 507 ((event->bytes[0] & 0x40) ? 64 : 0); 508 509 #if NAED > 0 510 if (!aed_input(&new_event)) 511 #endif 512 #if NWSMOUSE > 0 513 if (amsc->sc_wsmousedev != NULL) /* wsmouse is attached? */ 514 wsmouse_input(amsc->sc_wsmousedev, 515 new_event.u.m.buttons, 516 new_event.u.m.dx, new_event.u.m.dy, 0, 0); 517 #else 518 /* do nothing */ ; 519 #endif 520 } 521 522 int 523 ams_enable(v) 524 void *v; 525 { 526 return 0; 527 } 528 529 int 530 ams_ioctl(v, cmd, data, flag, p) 531 void *v; 532 u_long cmd; 533 caddr_t data; 534 int flag; 535 struct proc *p; 536 { 537 return (EPASSTHROUGH); 538 } 539 540 void 541 ams_disable(v) 542 void *v; 543 { 544 } 545
Indexes created Tue Sep 23 23:09:58 GMT 2025