grf_nubus.c revision 1.38
1 /* $NetBSD: grf_nubus.c,v 1.38 1997/12/03 03:05:02 briggs Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Allen Briggs. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Allen Briggs. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 /* 32 * Device-specific routines for handling Nubus-based video cards. 33 */ 34 35 #include <sys/param.h> 36 37 #include <sys/device.h> 38 #include <sys/ioctl.h> 39 #include <sys/file.h> 40 #include <sys/malloc.h> 41 #include <sys/mman.h> 42 #include <sys/proc.h> 43 #include <sys/systm.h> 44 45 #include <machine/bus.h> 46 #include <machine/cpu.h> 47 #include <machine/grfioctl.h> 48 #include <machine/viareg.h> 49 50 #include <mac68k/dev/nubus.h> 51 #include <mac68k/dev/grfvar.h> 52 53 static void load_image_data __P((caddr_t data, struct image_data *image)); 54 55 static void grfmv_intr_generic_write1 __P((void *vsc, int slot)); 56 static void grfmv_intr_generic_write4 __P((void *vsc, int slot)); 57 static void grfmv_intr_generic_or4 __P((void *vsc, int slot)); 58 59 static void grfmv_intr_cb264 __P((void *vsc, int slot)); 60 static void grfmv_intr_cb364 __P((void *vsc, int slot)); 61 static void grfmv_intr_cmax __P((void *vsc, int slot)); 62 static void grfmv_intr_cti __P((void *vsc, int slot)); 63 static void grfmv_intr_radius __P((void *vsc, int slot)); 64 static void grfmv_intr_supermacgfx __P((void *vsc, int slot)); 65 static void grfmv_intr_lapis __P((void *vsc, int slot)); 66 67 static int grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg)); 68 static caddr_t grfmv_phys __P((struct grf_softc *gp)); 69 static int grfmv_match __P((struct device *, struct cfdata *, void *)); 70 static void grfmv_attach __P((struct device *, struct device *, void *)); 71 72 struct cfdriver macvid_cd = { 73 NULL, "macvid", DV_DULL 74 }; 75 76 struct cfattach macvid_ca = { 77 sizeof(struct grfbus_softc), grfmv_match, grfmv_attach 78 }; 79 80 static void 81 load_image_data(data, image) 82 caddr_t data; 83 struct image_data *image; 84 { 85 bcopy(data , &image->size, 4); 86 bcopy(data + 4, &image->offset, 4); 87 bcopy(data + 8, &image->rowbytes, 2); 88 bcopy(data + 10, &image->top, 2); 89 bcopy(data + 12, &image->left, 2); 90 bcopy(data + 14, &image->bottom, 2); 91 bcopy(data + 16, &image->right, 2); 92 bcopy(data + 18, &image->version, 2); 93 bcopy(data + 20, &image->packType, 2); 94 bcopy(data + 22, &image->packSize, 4); 95 bcopy(data + 26, &image->hRes, 4); 96 bcopy(data + 30, &image->vRes, 4); 97 bcopy(data + 34, &image->pixelType, 2); 98 bcopy(data + 36, &image->pixelSize, 2); 99 bcopy(data + 38, &image->cmpCount, 2); 100 bcopy(data + 40, &image->cmpSize, 2); 101 bcopy(data + 42, &image->planeBytes, 4); 102 } 103 104 105 static int 106 grfmv_match(parent, cf, aux) 107 struct device *parent; 108 struct cfdata *cf; 109 void *aux; 110 { 111 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 112 113 if (na->category != NUBUS_CATEGORY_DISPLAY) 114 return 0; 115 116 if (na->type != NUBUS_TYPE_VIDEO) 117 return 0; 118 119 if (na->drsw != NUBUS_DRSW_APPLE) 120 return 0; 121 122 /* 123 * If we've gotten this far, then we're dealing with a real-live 124 * Apple QuickDraw-compatible display card resource. Now, how to 125 * determine that this is an active resource??? Dunno. But we'll 126 * proceed like it is. 127 */ 128 129 return 1; 130 } 131 132 static void 133 grfmv_attach(parent, self, aux) 134 struct device *parent, *self; 135 void *aux; 136 { 137 struct grfbus_softc *sc = (struct grfbus_softc *)self; 138 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 139 struct image_data image_store, image; 140 struct grfmode *gm; 141 char cardname[CARD_NAME_LEN]; 142 nubus_dirent dirent; 143 nubus_dir dir, mode_dir; 144 int mode; 145 146 sc->sc_tag = na->na_tag; 147 sc->card_id = na->drhw; 148 149 bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot)); 150 151 if (bus_space_map(sc->sc_tag, 152 NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &sc->sc_handle)) { 153 printf(": grfmv_attach: failed to map slot %d\n", na->slot); 154 return; 155 } 156 157 nubus_get_main_dir(&sc->sc_slot, &dir); 158 159 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 160 &sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) { 161 bad: 162 bus_space_unmap(sc->sc_tag, sc->sc_handle, NBMEMSIZE); 163 return; 164 } 165 166 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir); 167 168 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 169 &sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0) 170 if ((na->rsrcid != 128) || 171 (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 172 &sc->sc_slot, &dir, 129, &dirent) <= 0)) 173 goto bad; 174 175 mode = NUBUS_RSRC_FIRSTMODE; 176 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 177 &sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) { 178 printf(": probe failed to get board rsrc.\n"); 179 goto bad; 180 } 181 182 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir); 183 184 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 185 &sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) { 186 printf(": probe failed to get mode dir.\n"); 187 goto bad; 188 } 189 190 if (nubus_get_ind_data(sc->sc_tag, sc->sc_handle, &sc->sc_slot, 191 &dirent, (caddr_t)&image_store, sizeof(struct image_data)) <= 0) { 192 printf(": probe failed to get indirect mode data.\n"); 193 goto bad; 194 } 195 196 /* Need to load display info (and driver?), etc... (?) */ 197 198 load_image_data((caddr_t)&image_store, &image); 199 200 gm = &sc->curr_mode; 201 gm->mode_id = mode; 202 gm->fbbase = (caddr_t)sc->sc_handle; /* XXX evil! */ 203 gm->fboff = image.offset; 204 gm->rowbytes = image.rowbytes; 205 gm->width = image.right - image.left; 206 gm->height = image.bottom - image.top; 207 gm->fbsize = gm->height * gm->rowbytes; 208 gm->hres = image.hRes; 209 gm->vres = image.vRes; 210 gm->ptype = image.pixelType; 211 gm->psize = image.pixelSize; 212 213 strncpy(cardname, nubus_get_card_name(sc->sc_tag, sc->sc_handle, 214 &sc->sc_slot), CARD_NAME_LEN); 215 cardname[CARD_NAME_LEN-1] = '\0'; 216 printf(": %s\n", cardname); 217 218 if (sc->card_id == NUBUS_DRHW_TFB) { 219 /* 220 * This is the Toby card, but apparently some manufacturers 221 * (like Cornerstone) didn't bother to get/use their own 222 * value here, even though the cards are different, so we 223 * so we try to differentiate here. 224 */ 225 if (strncmp(cardname, "Samsung 768", 11) == 0) 226 sc->card_id = NUBUS_DRHW_SAM768; 227 else if (strncmp(cardname, "Toby frame", 10) != 0) 228 printf("%s: This display card pretends to be a TFB!\n", 229 sc->sc_dev.dv_xname); 230 } 231 232 switch (sc->card_id) { 233 case NUBUS_DRHW_TFB: 234 case NUBUS_DRHW_M2HRVC: 235 case NUBUS_DRHW_PVC: 236 sc->cli_offset = 0xa0000; 237 sc->cli_value = 0; 238 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 239 break; 240 case NUBUS_DRHW_WVC: 241 sc->cli_offset = 0xa00000; 242 sc->cli_value = 0; 243 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 244 break; 245 case NUBUS_DRHW_COLORMAX: 246 add_nubus_intr(na->slot, grfmv_intr_cmax, sc); 247 break; 248 case NUBUS_DRHW_SE30: 249 /* Do nothing--SE/30 interrupts are disabled */ 250 break; 251 case NUBUS_DRHW_MDC: 252 sc->cli_offset = 0x200148; 253 sc->cli_value = 1; 254 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc); 255 256 /* Enable interrupts; to disable, write 0x7 to this location */ 257 bus_space_write_4(sc->sc_tag, sc->sc_handle, 0x20013C, 5); 258 break; 259 case NUBUS_DRHW_CB264: 260 add_nubus_intr(na->slot, grfmv_intr_cb264, sc); 261 break; 262 case NUBUS_DRHW_CB364: 263 add_nubus_intr(na->slot, grfmv_intr_cb364, sc); 264 break; 265 case NUBUS_DRHW_RPC8: 266 sc->cli_offset = 0xfdff8f; 267 sc->cli_value = 0xff; 268 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 269 break; 270 case NUBUS_DRHW_RPC8XJ: 271 add_nubus_intr(na->slot, grfmv_intr_radius, sc); 272 break; 273 case NUBUS_DRHW_FIILX: 274 case NUBUS_DRHW_FIISXDSP: 275 case NUBUS_DRHW_FUTURASX: 276 sc->cli_offset = 0xf05000; 277 sc->cli_value = 0x80; 278 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 279 break; 280 case NUBUS_DRHW_SAM768: 281 add_nubus_intr(na->slot, grfmv_intr_cti, sc); 282 break; 283 case NUBUS_DRHW_SUPRGFX: 284 add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc); 285 break; 286 case NUBUS_DRHW_SPECTRM8: 287 sc->cli_offset = 0x0de178; 288 sc->cli_value = 0x80; 289 add_nubus_intr(na->slot, grfmv_intr_generic_or4, sc); 290 break; 291 case NUBUS_DRHW_LAPIS: 292 add_nubus_intr(na->slot, grfmv_intr_lapis, sc); 293 break; 294 case NUBUS_DRHW_MICRON: 295 /* What do we know about this one? */ 296 default: 297 printf("%s: Unknown video card ID 0x%x --", 298 sc->sc_dev.dv_xname, sc->card_id); 299 printf(" Not installing interrupt routine.\n"); 300 break; 301 } 302 303 /* Perform common video attachment. */ 304 grf_establish(sc, &sc->sc_slot, grfmv_mode, grfmv_phys); 305 } 306 307 static int 308 grfmv_mode(gp, cmd, arg) 309 struct grf_softc *gp; 310 int cmd; 311 void *arg; 312 { 313 switch (cmd) { 314 case GM_GRFON: 315 case GM_GRFOFF: 316 return 0; 317 case GM_CURRMODE: 318 break; 319 case GM_NEWMODE: 320 break; 321 case GM_LISTMODES: 322 break; 323 } 324 return EINVAL; 325 } 326 327 static caddr_t 328 grfmv_phys(gp) 329 struct grf_softc *gp; 330 { 331 return (caddr_t)NUBUS_SLOT2PA(gp->sc_slot->slot); 332 } 333 334 /* Interrupt handlers... */ 335 /* 336 * Generic routine to clear interrupts for cards where it simply takes 337 * a MOV.B to clear the interrupt. The offset and value of this byte 338 * varies between cards. 339 */ 340 /*ARGSUSED*/ 341 static void 342 grfmv_intr_generic_write1(vsc, slot) 343 void *vsc; 344 int slot; 345 { 346 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 347 348 bus_space_write_1(sc->sc_tag, sc->sc_handle, 349 sc->cli_offset, (u_int8_t)sc->cli_value); 350 } 351 352 /* 353 * Generic routine to clear interrupts for cards where it simply takes 354 * a MOV.L to clear the interrupt. The offset and value of this byte 355 * varies between cards. 356 */ 357 /*ARGSUSED*/ 358 static void 359 grfmv_intr_generic_write4(vsc, slot) 360 void *vsc; 361 int slot; 362 { 363 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 364 365 bus_space_write_4(sc->sc_tag, sc->sc_handle, 366 sc->cli_offset, sc->cli_value); 367 } 368 369 /* 370 * Generic routine to clear interrupts for cards where it simply takes 371 * an OR.L to clear the interrupt. The offset and value of this byte 372 * varies between cards. 373 */ 374 /*ARGSUSED*/ 375 static void 376 grfmv_intr_generic_or4(vsc, slot) 377 void *vsc; 378 int slot; 379 { 380 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 381 unsigned long scratch; 382 383 scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset); 384 scratch |= 0x80; 385 bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch); 386 } 387 388 /* 389 * Routine to clear interrupts for the Radius PrecisionColor 8xj card. 390 */ 391 /*ARGSUSED*/ 392 static void 393 grfmv_intr_radius(vsc, slot) 394 void *vsc; 395 int slot; 396 { 397 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 398 u_int8_t c; 399 400 /* 401 * The value 0x66 was the observed value on one card. It is read 402 * from the driver's information block, so this may not be sufficient. 403 * Then again, we're not setting up any other interrupts... 404 */ 405 c = 0x66; 406 407 c |= 0x80; 408 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c); 409 c &= 0x7f; 410 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c); 411 } 412 413 /* 414 * Routine to clear interrupts on Samsung 768x1006 video controller. 415 * This controller was manufactured by Cornerstone Technology, Inc., 416 * now known as Cornerstone Imaging. 417 * 418 * To clear this interrupt, we apparently have to set, then clear, 419 * bit 2 at byte offset 0x80000 from the card's base. 420 * Information for this provided by Brad Salai <bsalai (at) servtech.com> 421 */ 422 /*ARGSUSED*/ 423 static void 424 grfmv_intr_cti(vsc, slot) 425 void *vsc; 426 int slot; 427 { 428 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 429 u_int8_t c; 430 431 c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000); 432 c |= 0x02; 433 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c); 434 c &= 0xfd; 435 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c); 436 } 437 438 /*ARGSUSED*/ 439 static void 440 grfmv_intr_cb264(vsc, slot) 441 void *vsc; 442 int slot; 443 { 444 struct grfbus_softc *sc; 445 volatile char *slotbase; 446 447 sc = (struct grfbus_softc *)vsc; 448 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */ 449 asm volatile(" movl %0,a0 450 movl a0@(0xff6028),d0 451 andl #0x2,d0 452 beq _mv_intr0 453 movql #0x3,d0 454 _mv_intr0: 455 movl a0@(0xff600c),d1 456 andl #0x3,d1 457 cmpl d1,d0 458 beq _mv_intr_fin 459 movl d0,a0@(0xff600c) 460 nop 461 tstb d0 462 beq _mv_intr1 463 movl #0x0002,a0@(0xff6040) 464 movl #0x0102,a0@(0xff6044) 465 movl #0x0105,a0@(0xff6048) 466 movl #0x000e,a0@(0xff604c) 467 movl #0x001c,a0@(0xff6050) 468 movl #0x00bc,a0@(0xff6054) 469 movl #0x00c3,a0@(0xff6058) 470 movl #0x0061,a0@(0xff605c) 471 movl #0x0012,a0@(0xff6060) 472 bra _mv_intr_fin 473 _mv_intr1: 474 movl #0x0002,a0@(0xff6040) 475 movl #0x0209,a0@(0xff6044) 476 movl #0x020c,a0@(0xff6048) 477 movl #0x000f,a0@(0xff604c) 478 movl #0x0027,a0@(0xff6050) 479 movl #0x00c7,a0@(0xff6054) 480 movl #0x00d7,a0@(0xff6058) 481 movl #0x006b,a0@(0xff605c) 482 movl #0x0029,a0@(0xff6060) 483 _mv_intr_fin: 484 movl #0x1,a0@(0xff6014)" 485 : : "g" (slotbase) : "a0","d0","d1"); 486 } 487 488 /* 489 * Support for the Colorboard 364 might be more complex than it needs to 490 * be. If we can find more information about this card, this might be 491 * significantly simplified. Contributions welcome... :-) 492 */ 493 /*ARGSUSED*/ 494 static void 495 grfmv_intr_cb364(vsc, slot) 496 void *vsc; 497 int slot; 498 { 499 struct grfbus_softc *sc; 500 volatile char *slotbase; 501 502 sc = (struct grfbus_softc *)vsc; 503 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */ 504 asm volatile(" movl %0,a0 505 movl a0@(0xfe6028),d0 506 andl #0x2,d0 507 beq _cb364_intr4 508 movql #0x3,d0 509 movl a0@(0xfe6018),d1 510 movl #0x3,a0@(0xfe6018) 511 movw a0@(0xfe7010),d2 512 movl d1,a0@(0xfe6018) 513 movl a0@(0xfe6020),d1 514 btst #0x06,d2 515 beq _cb364_intr0 516 btst #0x00,d1 517 beq _cb364_intr5 518 bsr _cb364_intr1 519 bra _cb364_intr_out 520 _cb364_intr0: 521 btst #0x00,d1 522 bne _cb364_intr5 523 bsr _cb364_intr1 524 bra _cb364_intr_out 525 _cb364_intr1: 526 movl d0,a0@(0xfe600c) 527 nop 528 tstb d0 529 beq _cb364_intr3 530 movl #0x0002,a0@(0xfe6040) 531 movl #0x0105,a0@(0xfe6048) 532 movl #0x000e,a0@(0xfe604c) 533 movl #0x00c3,a0@(0xfe6058) 534 movl #0x0061,a0@(0xfe605c) 535 btst #0x06,d2 536 beq _cb364_intr2 537 movl #0x001c,a0@(0xfe6050) 538 movl #0x00bc,a0@(0xfe6054) 539 movl #0x0012,a0@(0xfe6060) 540 movl #0x000e,a0@(0xfe6044) 541 movl #0x00c3,a0@(0xfe6064) 542 movl #0x0061,a0@(0xfe6020) 543 rts 544 _cb364_intr2: 545 movl #0x0016,a0@(0xfe6050) 546 movl #0x00b6,a0@(0xfe6054) 547 movl #0x0011,a0@(0xfe6060) 548 movl #0x0101,a0@(0xfe6044) 549 movl #0x00bf,a0@(0xfe6064) 550 movl #0x0001,a0@(0xfe6020) 551 rts 552 _cb364_intr3: 553 movl #0x0002,a0@(0xfe6040) 554 movl #0x0209,a0@(0xfe6044) 555 movl #0x020c,a0@(0xfe6048) 556 movl #0x000f,a0@(0xfe604c) 557 movl #0x0027,a0@(0xfe6050) 558 movl #0x00c7,a0@(0xfe6054) 559 movl #0x00d7,a0@(0xfe6058) 560 movl #0x006b,a0@(0xfe605c) 561 movl #0x0029,a0@(0xfe6060) 562 oril #0x0040,a0@(0xfe6064) 563 movl #0x0000,a0@(0xfe6020) 564 rts 565 _cb364_intr4: 566 movq #0x00,d0 567 _cb364_intr5: 568 movl a0@(0xfe600c),d1 569 andl #0x3,d1 570 cmpl d1,d0 571 beq _cb364_intr_out 572 bsr _cb364_intr1 573 _cb364_intr_out: 574 movl #0x1,a0@(0xfe6014) 575 _cb364_intr_quit: 576 " : : "g" (slotbase) : "a0","d0","d1","d2"); 577 } 578 579 /* 580 * Interrupt clearing routine for SuperMac GFX card. 581 */ 582 /*ARGSUSED*/ 583 static void 584 grfmv_intr_supermacgfx(vsc, slot) 585 void *vsc; 586 int slot; 587 { 588 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 589 u_int8_t dummy; 590 591 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xE70D3); 592 } 593 594 /* 595 * Routine to clear interrupts for the Sigma Designs ColorMax card. 596 */ 597 /*ARGSUSED*/ 598 static void 599 grfmv_intr_cmax(vsc, slot) 600 void *vsc; 601 int slot; 602 { 603 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 604 u_int32_t dummy; 605 606 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c); 607 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018); 608 } 609 610 /* 611 * Routine to clear interrupts for the Lapis ProColorServer 8 PDS card 612 * (for the SE/30). 613 */ 614 /*ARGSUSED*/ 615 static void 616 grfmv_intr_lapis(vsc, slot) 617 void *vsc; 618 int slot; 619 { 620 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 621 622 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08); 623 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C); 624 } 625
Indexes created Tue Sep 30 20:09:53 GMT 2025