1 /* $NetBSD: ams.c,v 1.11 2002/03/17 19:40:43 atatat 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 struct cfattach ams_ca = { 75 sizeof(struct ams_softc), amsmatch, amsattach 76 }; 77 78 extern struct cfdriver ams_cd; 79 80 int ams_enable __P((void *)); 81 int ams_ioctl __P((void *, u_long, caddr_t, int, struct proc *)); 82 void ams_disable __P((void *)); 83 84 const struct wsmouse_accessops ams_accessops = { 85 ams_enable, 86 ams_ioctl, 87 ams_disable, 88 }; 89 90 static int 91 amsmatch(parent, cf, aux) 92 struct device *parent; 93 struct cfdata *cf; 94 void *aux; 95 { 96 struct adb_attach_args * aa_args = (struct adb_attach_args *)aux; 97 98 if (aa_args->origaddr == ADBADDR_MS) 99 return 1; 100 else 101 return 0; 102 } 103 104 static void 105 amsattach(parent, self, aux) 106 struct device *parent, *self; 107 void *aux; 108 { 109 ADBSetInfoBlock adbinfo; 110 struct ams_softc *sc = (struct ams_softc *)self; 111 struct adb_attach_args * aa_args = (struct adb_attach_args *)aux; 112 int error; 113 #if NWSMOUSE > 0 114 struct wsmousedev_attach_args a; 115 #endif 116 117 sc->origaddr = aa_args->origaddr; 118 sc->adbaddr = aa_args->adbaddr; 119 sc->handler_id = aa_args->handler_id; 120 121 sc->sc_class = MSCLASS_MOUSE; 122 sc->sc_buttons = 1; 123 sc->sc_res = 100; 124 sc->sc_devid[0] = 0; 125 sc->sc_devid[4] = 0; 126 127 adbinfo.siServiceRtPtr = (Ptr)adb_ms_asmcomplete; 128 adbinfo.siDataAreaAddr = (caddr_t)sc; 129 130 ems_init(sc); 131 132 /* print out the type of mouse we have */ 133 switch (sc->handler_id) { 134 case ADBMS_100DPI: 135 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 136 (int)(sc->sc_res)); 137 break; 138 case ADBMS_200DPI: 139 sc->sc_res = 200; 140 printf("%d-button, %d dpi mouse\n", sc->sc_buttons, 141 (int)(sc->sc_res)); 142 break; 143 case ADBMS_MSA3: 144 printf("Mouse Systems A3 mouse, %d-button, %d dpi\n", 145 sc->sc_buttons, (int)(sc->sc_res)); 146 break; 147 case ADBMS_USPEED: 148 printf("MicroSpeed mouse, default parameters\n"); 149 break; 150 case ADBMS_UCONTOUR: 151 printf("Contour mouse, default parameters\n"); 152 break; 153 case ADBMS_EXTENDED: 154 if (sc->sc_devid[0] == '\0') { 155 printf("Logitech "); 156 switch (sc->sc_class) { 157 case MSCLASS_MOUSE: 158 printf("MouseMan (non-EMP) mouse"); 159 break; 160 case MSCLASS_TRACKBALL: 161 printf("TrackMan (non-EMP) trackball"); 162 break; 163 default: 164 printf("non-EMP relative positioning device"); 165 break; 166 } 167 printf("\n"); 168 } else { 169 printf("EMP "); 170 switch (sc->sc_class) { 171 case MSCLASS_TABLET: 172 printf("tablet"); 173 break; 174 case MSCLASS_MOUSE: 175 printf("mouse"); 176 break; 177 case MSCLASS_TRACKBALL: 178 printf("trackball"); 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 #if NWSMOUSE > 0 200 a.accessops = &ams_accessops; 201 a.accesscookie = sc; 202 sc->sc_wsmousedev = config_found(self, &a, wsmousedevprint); 203 #endif 204 } 205 206 207 /* 208 * Initialize extended mouse support -- probes devices as described 209 * in Inside Macintosh: Devices, Chapter 5 "ADB Manager". 210 * 211 * Extended Mouse Protocol is documented in TechNote HW1: 212 * "ADB - The Untold Story: Space Aliens Ate My Mouse" 213 * 214 * Supports: Extended Mouse Protocol, MicroSpeed Mouse Deluxe, 215 * Mouse Systems A^3 Mouse, Logitech non-EMP MouseMan 216 */ 217 void 218 ems_init(sc) 219 struct ams_softc * sc; 220 { 221 int adbaddr; 222 short cmd; 223 u_char buffer[9]; 224 225 adbaddr = sc->adbaddr; 226 if (sc->origaddr != ADBADDR_MS) 227 return; 228 if (sc->handler_id == ADBMS_USPEED || 229 sc->handler_id == ADBMS_UCONTOUR) { 230 /* Found MicroSpeed Mouse Deluxe Mac or Contour Mouse */ 231 cmd = ADBLISTEN(adbaddr, 1); 232 233 /* 234 * To setup the MicroSpeed or the Contour, it appears 235 * that we can send the following command to the mouse 236 * and then expect data back in the form: 237 * buffer[0] = 4 (bytes) 238 * buffer[1], buffer[2] as std. mouse 239 * buffer[3] = buffer[4] = 0xff when no buttons 240 * are down. When button N down, bit N is clear. 241 * buffer[4]'s locking mask enables a 242 * click to toggle the button down state--sort of 243 * like the "Easy Access" shift/control/etc. keys. 244 * buffer[3]'s alternative speed mask enables using 245 * different speed when the corr. button is down 246 */ 247 buffer[0] = 4; 248 buffer[1] = 0x00; /* Alternative speed */ 249 buffer[2] = 0x00; /* speed = maximum */ 250 buffer[3] = 0x10; /* enable extended protocol, 251 * lower bits = alt. speed mask 252 * = 0000b 253 */ 254 buffer[4] = 0x07; /* Locking mask = 0000b, 255 * enable buttons = 0111b 256 */ 257 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 258 259 sc->sc_buttons = 3; 260 sc->sc_res = 200; 261 return; 262 } 263 if ((sc->handler_id == ADBMS_100DPI) || 264 (sc->handler_id == ADBMS_200DPI)) { 265 /* found a mouse */ 266 cmd = ADBTALK(adbaddr, 3); 267 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) { 268 #ifdef ADB_DEBUG 269 if (adb_debug) 270 printf("adb: ems_init timed out\n"); 271 #endif 272 return; 273 } 274 275 /* Attempt to initialize Extended Mouse Protocol */ 276 buffer[2] = 4; /* make handler ID 4 */ 277 cmd = ADBLISTEN(adbaddr, 3); 278 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) { 279 #ifdef ADB_DEBUG 280 if (adb_debug) 281 printf("adb: ems_init timed out\n"); 282 #endif 283 return; 284 } 285 286 /* 287 * Check to see if successful, if not 288 * try to initialize it as other types 289 */ 290 cmd = ADBTALK(adbaddr, 3); 291 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 && 292 buffer[2] == ADBMS_EXTENDED) { 293 sc->handler_id = ADBMS_EXTENDED; 294 cmd = ADBTALK(adbaddr, 1); 295 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) { 296 #ifdef ADB_DEBUG 297 if (adb_debug) 298 printf("adb: ems_init timed out\n"); 299 #endif 300 } else if (buffer[0] == 8) { 301 /* we have a true EMP device */ 302 sc->sc_class = buffer[7]; 303 sc->sc_buttons = buffer[8]; 304 sc->sc_res = (int)*(short *)&buffer[5]; 305 bcopy(&(buffer[1]), sc->sc_devid, 4); 306 } else if (buffer[1] == 0x9a && 307 ((buffer[2] == 0x20) || (buffer[2] == 0x21))) { 308 /* 309 * Set up non-EMP Mouseman/Trackman to put 310 * button bits in 3rd byte instead of sending 311 * via pseudo keyboard device. 312 */ 313 cmd = ADBLISTEN(adbaddr, 1); 314 buffer[0]=2; 315 buffer[1]=0x00; 316 buffer[2]=0x81; 317 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 318 319 cmd = ADBLISTEN(adbaddr, 1); 320 buffer[0]=2; 321 buffer[1]=0x01; 322 buffer[2]=0x81; 323 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 324 325 cmd = ADBLISTEN(adbaddr, 1); 326 buffer[0]=2; 327 buffer[1]=0x02; 328 buffer[2]=0x81; 329 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 330 331 cmd = ADBLISTEN(adbaddr, 1); 332 buffer[0]=2; 333 buffer[1]=0x03; 334 buffer[2]=0x38; 335 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 336 337 sc->sc_buttons = 3; 338 sc->sc_res = 400; 339 if (buffer[2] == 0x21) 340 sc->sc_class = MSCLASS_TRACKBALL; 341 else 342 sc->sc_class = MSCLASS_MOUSE; 343 } else 344 /* unknown device? */; 345 } else { 346 /* Attempt to initialize as an A3 mouse */ 347 buffer[2] = 0x03; /* make handler ID 3 */ 348 cmd = ADBLISTEN(adbaddr, 3); 349 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd)) { 350 #ifdef ADB_DEBUG 351 if (adb_debug) 352 printf("adb: ems_init timed out\n"); 353 #endif 354 return; 355 } 356 357 /* 358 * Check to see if successful, if not 359 * try to initialize it as other types 360 */ 361 cmd = ADBTALK(adbaddr, 3); 362 if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 363 && buffer[2] == ADBMS_MSA3) { 364 sc->handler_id = ADBMS_MSA3; 365 /* Initialize as above */ 366 cmd = ADBLISTEN(adbaddr, 2); 367 /* listen 2 */ 368 buffer[0] = 3; 369 buffer[1] = 0x00; 370 /* Irrelevant, buffer has 0x77 */ 371 buffer[2] = 0x07; 372 /* 373 * enable 3 button mode = 0111b, 374 * speed = normal 375 */ 376 adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd); 377 sc->sc_buttons = 3; 378 sc->sc_res = 300; 379 } else { 380 /* No special support for this mouse */ 381 } 382 } 383 } 384 } 385 386 /* 387 * Handle putting the mouse data received from the ADB into 388 * an ADB event record. 389 */ 390 void 391 ms_adbcomplete(buffer, data_area, adb_command) 392 caddr_t buffer; 393 caddr_t data_area; 394 int adb_command; 395 { 396 adb_event_t event; 397 struct ams_softc *amsc; 398 int adbaddr; 399 #ifdef ADB_DEBUG 400 int i; 401 402 if (adb_debug) 403 printf("adb: transaction completion\n"); 404 #endif 405 406 adbaddr = ADB_CMDADDR(adb_command); 407 amsc = (struct ams_softc *)data_area; 408 409 if ((amsc->handler_id == ADBMS_EXTENDED) && (amsc->sc_devid[0] == 0)) { 410 /* massage the data to look like EMP data */ 411 if ((buffer[3] & 0x04) == 0x04) 412 buffer[1] &= 0x7f; 413 else 414 buffer[1] |= 0x80; 415 if ((buffer[3] & 0x02) == 0x02) 416 buffer[2] &= 0x7f; 417 else 418 buffer[2] |= 0x80; 419 if ((buffer[3] & 0x01) == 0x01) 420 buffer[3] = 0x00; 421 else 422 buffer[3] = 0x80; 423 } 424 425 event.addr = adbaddr; 426 event.hand_id = amsc->handler_id; 427 event.def_addr = amsc->origaddr; 428 event.byte_count = buffer[0]; 429 memcpy(event.bytes, buffer + 1, event.byte_count); 430 431 #ifdef ADB_DEBUG 432 if (adb_debug) { 433 printf("ams: from %d at %d (org %d) %d:", event.addr, 434 event.hand_id, event.def_addr, buffer[0]); 435 for (i = 1; i <= buffer[0]; i++) 436 printf(" %x", buffer[i]); 437 printf("\n"); 438 } 439 #endif 440 441 microtime(&event.timestamp); 442 443 ms_processevent(&event, amsc); 444 } 445 446 /* 447 * Given a mouse ADB event, record the button settings, calculate the 448 * x- and y-axis motion, and handoff the event to the appropriate subsystem. 449 */ 450 static void 451 ms_processevent(event, amsc) 452 adb_event_t *event; 453 struct ams_softc *amsc; 454 { 455 adb_event_t new_event; 456 int i, button_bit, max_byte, mask, buttons; 457 458 new_event = *event; 459 buttons = 0; 460 461 /* 462 * This should handle both plain ol' Apple mice and mice 463 * that claim to support the Extended Apple Mouse Protocol. 464 */ 465 max_byte = event->byte_count; 466 button_bit = 1; 467 switch (event->hand_id) { 468 case ADBMS_USPEED: 469 case ADBMS_UCONTOUR: 470 /* MicroSpeed mouse and Contour mouse */ 471 if (max_byte == 4) 472 buttons = (~event->bytes[2]) & 0xff; 473 else 474 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 475 break; 476 case ADBMS_MSA3: 477 /* Mouse Systems A3 mouse */ 478 if (max_byte == 3) 479 buttons = (~event->bytes[2]) & 0x07; 480 else 481 buttons = (event->bytes[0] & 0x80) ? 0 : 1; 482 break; 483 default: 484 /* Classic Mouse Protocol (up to 2 buttons) */ 485 for (i = 0; i < 2; i++, button_bit <<= 1) 486 /* 0 when button down */ 487 if (!(event->bytes[i] & 0x80)) 488 buttons |= button_bit; 489 else 490 buttons &= ~button_bit; 491 /* Extended Protocol (up to 6 more buttons) */ 492 for (mask = 0x80; i < max_byte; 493 i += (mask == 0x80), button_bit <<= 1) { 494 /* 0 when button down */ 495 if (!(event->bytes[i] & mask)) 496 buttons |= button_bit; 497 else 498 buttons &= ~button_bit; 499 mask = ((mask >> 4) & 0xf) 500 | ((mask & 0xf) << 4); 501 } 502 break; 503 } 504 new_event.u.m.buttons = amsc->sc_mb | buttons; 505 new_event.u.m.dx = ((signed int) (event->bytes[1] & 0x3f)) - 506 ((event->bytes[1] & 0x40) ? 64 : 0); 507 new_event.u.m.dy = ((signed int) (event->bytes[0] & 0x3f)) - 508 ((event->bytes[0] & 0x40) ? 64 : 0); 509 510 #if NAED > 0 511 if (!aed_input(&new_event)) 512 #endif 513 #if NWSMOUSE > 0 514 if (amsc->sc_wsmousedev != NULL) /* wsmouse is attached? */ 515 wsmouse_input(amsc->sc_wsmousedev, 516 new_event.u.m.buttons, 517 new_event.u.m.dx, new_event.u.m.dy, 0, 0); 518 #else 519 /* do nothing */ ; 520 #endif 521 } 522 523 int 524 ams_enable(v) 525 void *v; 526 { 527 return 0; 528 } 529 530 int 531 ams_ioctl(v, cmd, data, flag, p) 532 void *v; 533 u_long cmd; 534 caddr_t data; 535 int flag; 536 struct proc *p; 537 { 538 return (EPASSTHROUGH); 539 } 540 541 void 542 ams_disable(v) 543 void *v; 544 { 545 } 546