sys/arch/mac68k/dev/akbd.c

   1 /*      $NetBSD: akbd.c,v 1.20 2007/03/05 21:06:24 he 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: akbd.c,v 1.20 2007/03/05 21:06:24 he Exp $");
  35
  36 #include "opt_adb.h"
  37
  38 #include <sys/param.h>
  39 #include <sys/device.h>
  40 #include <sys/fcntl.h>
  41 #include <sys/poll.h>
  42 #include <sys/select.h>
  43 #include <sys/proc.h>
  44 #include <sys/signalvar.h>
  45 #include <sys/systm.h>
  46 #include <sys/kernel.h>
  47
  48 #include "aed.h"
  49 #include "wskbd.h"
  50
  51 #include <dev/wscons/wsconsio.h>
  52 #include <dev/wscons/wskbdvar.h>
  53 #include <dev/wscons/wsksymdef.h>
  54 #include <dev/wscons/wsksymvar.h>
  55
  56 #include <machine/autoconf.h>
  57 #include <machine/cpu.h>
  58 #define KEYBOARD_ARRAY
  59 #include <machine/keyboard.h>
  60 #include <machine/viareg.h>
  61
  62 #include <mac68k/mac68k/macrom.h>
  63 #include <mac68k/dev/adbvar.h>
  64 #include <mac68k/dev/aedvar.h>
  65 #include <mac68k/dev/akbdmap.h>
  66 #include <mac68k/dev/akbdvar.h>
  67 #include <mac68k/dev/amsvar.h>
  68
  69 /*
  70  * Function declarations.
  71  */
  72 static int      akbdmatch(struct device *, struct cfdata *, void *);
  73 static void     akbdattach(struct device *, struct device *, void *);
  74 static void     kbd_processevent(adb_event_t *, struct akbd_softc *);
  75 #ifdef notyet
  76 static u_char   getleds(int);
  77 static int      setleds(struct akbd_softc *, u_char);
  78 static void     blinkleds(struct akbd_softc *);
  79 #endif
  80
  81 /*
  82  * Local variables.
  83  */
  84
  85 /* Driver definition. */
  86 CFATTACH_DECL(akbd, sizeof(struct akbd_softc),
  87     akbdmatch, akbdattach, NULL, NULL);
  88
  89 extern struct cfdriver akbd_cd;
  90
  91 int kbd_intr(adb_event_t *, struct akbd_softc *);
  92 int akbd_enable(void *, int);
  93 void akbd_set_leds(void *, int);
  94 int akbd_ioctl(void *, u_long, void *, int, struct lwp *);
  95
  96 struct wskbd_accessops akbd_accessops = {
  97         akbd_enable,
  98         akbd_set_leds,
  99         akbd_ioctl,
 100 };
 101
 102 void akbd_cngetc(void *, u_int *, int *);
 103 void akbd_cnpollc(void *, int);
 104 int akbd_cnattach(void);
 105
 106 struct wskbd_consops akbd_consops = {
 107         akbd_cngetc,
 108         akbd_cnpollc,
 109 };
 110
 111 struct wskbd_mapdata akbd_keymapdata = {
 112         akbd_keydesctab,
 113         KB_US,
 114 };
 115
 116 static int akbd_is_console(void);
 117
 118 static int
 119 akbdmatch(struct device *parent, struct cfdata *cf, void *aux)
 120 {
 121         struct adb_attach_args *aa_args = (struct adb_attach_args *)aux;
 122
 123         if (aa_args->origaddr == ADBADDR_KBD)
 124                 return 1;
 125         else
 126                 return 0;
 127 }
 128
 129 static void
 130 akbdattach(struct device *parent, struct device *self, void *aux)
 131 {
 132         ADBSetInfoBlock adbinfo;
 133         struct akbd_softc *sc = (struct akbd_softc *)self;
 134         struct adb_attach_args *aa_args = (struct adb_attach_args *)aux;
 135         int error, kbd_done;
 136         short cmd;
 137         u_char buffer[9];
 138 #if NWSKBD > 0
 139         struct wskbddev_attach_args a;
 140         static int akbd_console_initted;
 141         int wskbd_eligible;
 142
 143         wskbd_eligible = 1;
 144 #endif
 145
 146         sc->origaddr = aa_args->origaddr;
 147         sc->adbaddr = aa_args->adbaddr;
 148         sc->handler_id = aa_args->handler_id;
 149
 150         sc->sc_leds = (u_int8_t)0x00;   /* initially off */
 151
 152         adbinfo.siServiceRtPtr = (Ptr)adb_kbd_asmcomplete;
 153         adbinfo.siDataAreaAddr = (void *)sc;
 154
 155         switch (sc->handler_id) {
 156         case ADB_STDKBD:
 157                 printf("standard keyboard\n");
 158                 break;
 159         case ADB_ISOKBD:
 160                 printf("standard keyboard (ISO layout)\n");
 161                 break;
 162         case ADB_EXTKBD:
 163                 cmd = ADBTALK(sc->adbaddr, 1);
 164                 kbd_done =
 165                     (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0);
 166
 167                 /* Ignore Logitech MouseMan/Trackman pseudo keyboard */
 168                 if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x20) {
 169                         printf("Mouseman (non-EMP) pseudo keyboard\n");
 170                         adbinfo.siServiceRtPtr = (Ptr)0;
 171                         adbinfo.siDataAreaAddr = (Ptr)0;
 172 #if NWSKBD > 0
 173                         wskbd_eligible = 0;
 174 #endif /* NWSKBD > 0 */
 175                 } else if (kbd_done && buffer[1] == 0x9a && buffer[2] == 0x21) {
 176                         printf("Trackman (non-EMP) pseudo keyboard\n");
 177                         adbinfo.siServiceRtPtr = (Ptr)0;
 178                         adbinfo.siDataAreaAddr = (Ptr)0;
 179 #if NWSKBD > 0
 180                         wskbd_eligible = 0;
 181 #endif /* NWSKBD > 0 */
 182                 } else {
 183                         printf("extended keyboard\n");
 184 #ifdef notyet
 185                         blinkleds(sc);
 186 #endif
 187                 }
 188                 break;
 189         case ADB_EXTISOKBD:
 190                 printf("extended keyboard (ISO layout)\n");
 191 #ifdef notyet
 192                 blinkleds(sc);
 193 #endif
 194                 break;
 195         case ADB_KBDII:
 196                 printf("keyboard II\n");
 197                 break;
 198         case ADB_ISOKBDII:
 199                 printf("keyboard II (ISO layout)\n");
 200                 break;
 201         case ADB_PBKBD:
 202                 printf("PowerBook keyboard\n");
 203                 break;
 204         case ADB_PBISOKBD:
 205                 printf("PowerBook keyboard (ISO layout)\n");
 206                 break;
 207         case ADB_ADJKPD:
 208                 printf("adjustable keypad\n");
 209 #if NWSKBD > 0
 210                 wskbd_eligible = 0;
 211 #endif /* NWSKBD > 0 */
 212                 break;
 213         case ADB_ADJKBD:
 214                 printf("adjustable keyboard\n");
 215                 break;
 216         case ADB_ADJISOKBD:
 217                 printf("adjustable keyboard (ISO layout)\n");
 218                 break;
 219         case ADB_ADJJAPKBD:
 220                 printf("adjustable keyboard (Japanese layout)\n");
 221                 break;
 222         case ADB_PBEXTISOKBD:
 223                 printf("PowerBook extended keyboard (ISO layout)\n");
 224                 break;
 225         case ADB_PBEXTJAPKBD:
 226                 printf("PowerBook extended keyboard (Japanese layout)\n");
 227                 break;
 228         case ADB_JPKBDII:
 229                 printf("keyboard II (Japanese layout)\n");
 230                 break;
 231         case ADB_PBEXTKBD:
 232                 printf("PowerBook extended keyboard\n");
 233                 break;
 234         case ADB_DESIGNKBD:
 235                 printf("extended keyboard\n");
 236 #ifdef notyet
 237                 blinkleds(sc);
 238 #endif
 239                 break;
 240         case ADB_PBJPKBD:
 241                 printf("PowerBook keyboard (Japanese layout)\n");
 242                 break;
 243         default:
 244                 printf("mapped device (%d)\n", sc->handler_id);
 245 #if NWSKBD > 0
 246                 wskbd_eligible = 0;
 247 #endif /* NWSKBD > 0 */
 248                 break;
 249         }
 250         error = SetADBInfo(&adbinfo, sc->adbaddr);
 251 #ifdef ADB_DEBUG
 252         if (adb_debug)
 253                 printf("akbd: returned %d from SetADBInfo\n", error);
 254 #endif
 255
 256 #if NWSKBD > 0
 257         if (akbd_is_console() && wskbd_eligible)
 258                 a.console = (++akbd_console_initted == 1);
 259         else
 260                 a.console = 0;
 261         a.keymap = &akbd_keymapdata;
 262         a.accessops = &akbd_accessops;
 263         a.accesscookie = sc;
 264
 265         sc->sc_wskbddev = config_found(self, &a, wskbddevprint);
 266 #endif
 267 }
 268
 269
 270 /*
 271  * Handle putting the keyboard data received from the ADB into
 272  * an ADB event record.
 273  */
 274 void
 275 kbd_adbcomplete(uint8_t *buffer, void *data_area, int adb_command)
 276 {
 277         adb_event_t event;
 278         struct akbd_softc *ksc;
 279         int adbaddr;
 280 #ifdef ADB_DEBUG
 281         int i;
 282
 283         if (adb_debug)
 284                 printf("adb: transaction completion\n");
 285 #endif
 286
 287         adbaddr = ADB_CMDADDR(adb_command);
 288         ksc = (struct akbd_softc *)data_area;
 289
 290         event.addr = adbaddr;
 291         event.hand_id = ksc->handler_id;
 292         event.def_addr = ksc->origaddr;
 293         event.byte_count = buffer[0];
 294         memcpy(event.bytes, buffer + 1, event.byte_count);
 295
 296 #ifdef ADB_DEBUG
 297         if (adb_debug) {
 298                 printf("akbd: from %d at %d (org %d) %d:", event.addr,
 299                     event.hand_id, event.def_addr, buffer[0]);
 300                 for (i = 1; i <= buffer[0]; i++)
 301                         printf(" %x", buffer[i]);
 302                 printf("\n");
 303         }
 304 #endif
 305
 306         microtime(&event.timestamp);
 307
 308         kbd_processevent(&event, ksc);
 309 }
 310
 311 /*
 312  * Given a keyboard ADB event, record the keycodes and call the key
 313  * repeat handler, optionally passing the event through the mouse
 314  * button emulation handler first.
 315  */
 316 static void
 317 kbd_processevent(adb_event_t *event, struct akbd_softc *ksc)
 318 {
 319         adb_event_t new_event;
 320
 321         new_event = *event;
 322         new_event.u.k.key = event->bytes[0];
 323         new_event.bytes[1] = 0xff;
 324 #if NAED > 0
 325         if (adb_polling || !aed_input(&new_event))
 326 #endif
 327 #if NWSKBD > 0
 328                 if (ksc->sc_wskbddev != NULL) /* wskbd is attached? */
 329                         kbd_intr(&new_event, ksc);
 330 #else
 331                 /* do nothing */ ;
 332 #endif
 333         if (event->bytes[1] != 0xff) {
 334                 new_event.u.k.key = event->bytes[1];
 335                 new_event.bytes[0] = event->bytes[1];
 336                 new_event.bytes[1] = 0xff;
 337 #if NAED > 0
 338                 if (adb_polling || !aed_input(&new_event))
 339 #endif
 340 #if NWSKBD > 0
 341                         if (ksc->sc_wskbddev != NULL) /* wskbd is attached? */
 342                                 kbd_intr(&new_event, ksc);
 343 #else
 344                         /* do nothing */ ;
 345 #endif
 346         }
 347
 348 }
 349
 350 #ifdef notyet
 351 /*
 352  * Get the actual hardware LED state and convert it to softc format.
 353  */
 354 static u_char
 355 getleds(int addr)
 356 {
 357         short cmd;
 358         u_char buffer[9], leds;
 359
 360         leds = 0x00;    /* all off */
 361         buffer[0] = 0;
 362
 363         cmd = ADBTALK(addr, 2);
 364         if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) == 0 &&
 365             buffer[0] > 0)
 366                 leds = ~(buffer[2]) & 0x07;
 367
 368         return (leds);
 369 }
 370
 371 /*
 372  * Set the keyboard LED's.
 373  *
 374  * Automatically translates from ioctl/softc format to the
 375  * actual keyboard register format
 376  */
 377 static int
 378 setleds(struct akbd_softc *ksc, u_char leds)
 379 {
 380         int addr;
 381         short cmd;
 382         u_char buffer[9];
 383
 384         if ((leds & 0x07) == (ksc->sc_leds & 0x07))
 385                 return (0);
 386
 387         addr = ksc->adbaddr;
 388         buffer[0] = 0;
 389
 390         cmd = ADBTALK(addr, 2);
 391         if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
 392                 return (EIO);
 393
 394         leds = ~leds & 0x07;
 395         buffer[2] &= 0xf8;
 396         buffer[2] |= leds;
 397
 398         cmd = ADBLISTEN(addr, 2);
 399         adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd);
 400
 401         /* talk R2 */
 402         cmd = ADBTALK(addr, 2);
 403         if (adb_op_sync((Ptr)buffer, (Ptr)0, (Ptr)0, cmd) || buffer[0] == 0)
 404                 return (EIO);
 405
 406         ksc->sc_leds = ~((u_int8_t)buffer[2]) & 0x07;
 407
 408         if ((buffer[2] & 0xf8) != leds)
 409                 return (EIO);
 410         else
 411                 return (0);
 412 }
 413
 414 /*
 415  * Toggle all of the LED's on and off, just for show.
 416  */
 417 static void
 418 blinkleds(struct akbd_softc *ksc)
 419 {
 420         int addr, i;
 421         u_char blinkleds, origleds;
 422
 423         addr = ksc->adbaddr;
 424         origleds = getleds(addr);
 425         blinkleds = LED_NUMLOCK | LED_CAPSLOCK | LED_SCROLL_LOCK;
 426
 427         (void)setleds(ksc, blinkleds);
 428
 429         for (i = 0; i < 10000; i++)
 430                 delay(50);
 431
 432         /* make sure that we restore the LED settings */
 433         i = 10;
 434         do {
 435                 (void)setleds(ksc, (u_char)0x00);
 436         } while (setleds(ksc, (u_char)0x00) && (i-- > 0));
 437
 438         return;
 439 }
 440 #endif
 441
 442 int
 443 akbd_is_console(void)
 444 {
 445         extern struct mac68k_machine_S mac68k_machine;
 446
 447         return ((mac68k_machine.serial_console & 0x03) == 0);
 448 }
 449
 450 int
 451 akbd_enable(void *v, int on)
 452 {
 453         return 0;
 454 }
 455
 456 void
 457 akbd_set_leds(void *v, int on)
 458 {
 459 }
 460
 461 int
 462 akbd_ioctl(void *v, u_long cmd, void *data, int flag, struct lwp *l)
 463 {
 464         switch (cmd) {
 465
 466         case WSKBDIO_GTYPE:
 467                 *(int *)data = 0;               /* XXX */
 468                 return 0;
 469         case WSKBDIO_SETLEDS:
 470                 return 0;
 471         case WSKBDIO_GETLEDS:
 472                 *(int *)data = 0;
 473                 return 0;
 474         case WSKBDIO_BELL:
 475         case WSKBDIO_COMPLEXBELL:
 476 #define d ((struct wskbd_bell_data *)data)
 477                 mac68k_ring_bell(d->pitch, d->period * hz / 1000, 100);
 478                 /* comes in as msec, goes out as ticks; volume ignored */
 479 #undef d
 480                 return (0);
 481         }
 482         /* kbdioctl(...); */
 483
 484         return EPASSTHROUGH;
 485 }
 486
 487 static int polledkey;
 488 extern int adb_polling;
 489
 490 int
 491 kbd_intr(adb_event_t *event, struct akbd_softc *sc)
 492 {
 493         int key, press, val;
 494         int type;
 495
 496         key = event->u.k.key;
 497         press = ADBK_PRESS(key);
 498         val = ADBK_KEYVAL(key);
 499
 500         type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
 501
 502         if (key == 185) {       /* Caps Lock released */
 503                 type = WSCONS_EVENT_KEY_DOWN;
 504                 wskbd_input(sc->sc_wskbddev, type, val);
 505                 type = WSCONS_EVENT_KEY_UP;
 506         }
 507
 508         if (adb_polling)
 509                 polledkey = key;
 510         else
 511                 wskbd_input(sc->sc_wskbddev, type, val);
 512
 513         return 0;
 514 }
 515
 516 int
 517 akbd_cnattach(void)
 518 {
 519         wskbd_cnattach(&akbd_consops, NULL, &akbd_keymapdata);
 520
 521         return 0;
 522 }
 523
 524 void
 525 akbd_cngetc(void *v, u_int *type, int *data)
 526 {
 527         int intbits, key, press, val;
 528         int s;
 529
 530         s = splhigh();
 531
 532         polledkey = -1;
 533         adb_polling = 1;
 534
 535         while (polledkey == -1) {
 536                 intbits = via_reg(VIA1, vIFR);
 537
 538                 if (intbits & V1IF_ADBRDY) {
 539                         mrg_adbintr();
 540                         via_reg(VIA1, vIFR) = V1IF_ADBRDY;
 541                 }
 542                 if (intbits & 0x10) {
 543                         mrg_pmintr();
 544                         via_reg(VIA1, vIFR) = 0x10;
 545                 }
 546         }
 547
 548         adb_polling = 0;
 549         splx(s);
 550
 551         key = polledkey;
 552         press = ADBK_PRESS(key);
 553         val = ADBK_KEYVAL(key);
 554
 555         *data = val;
 556         *type = press ? WSCONS_EVENT_KEY_DOWN : WSCONS_EVENT_KEY_UP;
 557 }
 558
 559 void
 560 akbd_cnpollc(void *v, int on)
 561 {
 562 }