grf_nubus.c revision 1.47
1 /* $NetBSD: grf_nubus.c,v 1.47 1998/07/01 14:49:08 scottr 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 "opt_grf.h" 36 37 #include <sys/param.h> 38 39 #include <sys/device.h> 40 #include <sys/ioctl.h> 41 #include <sys/file.h> 42 #include <sys/malloc.h> 43 #include <sys/mman.h> 44 #include <sys/proc.h> 45 #include <sys/systm.h> 46 47 #include <machine/bus.h> 48 #include <machine/cpu.h> 49 #include <machine/grfioctl.h> 50 #include <machine/viareg.h> 51 52 #include <mac68k/nubus/nubus.h> 53 #include <mac68k/dev/grfvar.h> 54 55 static void load_image_data __P((caddr_t data, struct image_data *image)); 56 57 static void grfmv_intr_generic_write1 __P((void *vsc)); 58 static void grfmv_intr_generic_write4 __P((void *vsc)); 59 static void grfmv_intr_generic_or4 __P((void *vsc)); 60 61 static void grfmv_intr_cb264 __P((void *vsc)); 62 static void grfmv_intr_cb364 __P((void *vsc)); 63 static void grfmv_intr_cmax __P((void *vsc)); 64 static void grfmv_intr_cti __P((void *vsc)); 65 static void grfmv_intr_radius __P((void *vsc)); 66 static void grfmv_intr_radius24 __P((void *vsc)); 67 static void grfmv_intr_supermacgfx __P((void *vsc)); 68 static void grfmv_intr_lapis __P((void *vsc)); 69 static void grfmv_intr_formac __P((void *vsc)); 70 static void grfmv_intr_vimage __P((void *vsc)); 71 72 static int grfmv_mode __P((struct grf_softc *gp, int cmd, void *arg)); 73 static int grfmv_match __P((struct device *, struct cfdata *, void *)); 74 static void grfmv_attach __P((struct device *, struct device *, void *)); 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 bcopy(na->fmt, &sc->sc_slot, sizeof(nubus_slot)); 147 148 sc->sc_tag = na->na_tag; 149 sc->card_id = na->drhw; 150 sc->sc_bufpa = (caddr_t)NUBUS_SLOT2PA(na->slot); 151 152 if (bus_space_map(sc->sc_tag, (bus_addr_t)sc->sc_bufpa, NBMEMSIZE, 153 0, &sc->sc_handle)) { 154 printf(": grfmv_attach: failed to map slot %d\n", na->slot); 155 return; 156 } 157 158 nubus_get_main_dir(&sc->sc_slot, &dir); 159 160 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 161 &sc->sc_slot, &dir, na->rsrcid, &dirent) <= 0) { 162 bad: 163 bus_space_unmap(sc->sc_tag, sc->sc_handle, NBMEMSIZE); 164 return; 165 } 166 167 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &sc->board_dir); 168 169 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 170 &sc->sc_slot, &sc->board_dir, NUBUS_RSRC_TYPE, &dirent) <= 0) 171 if ((na->rsrcid != 128) || 172 (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 173 &sc->sc_slot, &dir, 129, &dirent) <= 0)) 174 goto bad; 175 176 mode = NUBUS_RSRC_FIRSTMODE; 177 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 178 &sc->sc_slot, &sc->board_dir, mode, &dirent) <= 0) { 179 printf(": probe failed to get board rsrc.\n"); 180 goto bad; 181 } 182 183 nubus_get_dir_from_rsrc(&sc->sc_slot, &dirent, &mode_dir); 184 185 if (nubus_find_rsrc(sc->sc_tag, sc->sc_handle, 186 &sc->sc_slot, &mode_dir, VID_PARAMS, &dirent) <= 0) { 187 printf(": probe failed to get mode dir.\n"); 188 goto bad; 189 } 190 191 if (nubus_get_ind_data(sc->sc_tag, sc->sc_handle, &sc->sc_slot, 192 &dirent, (caddr_t)&image_store, sizeof(struct image_data)) <= 0) { 193 printf(": probe failed to get indirect mode data.\n"); 194 goto bad; 195 } 196 197 /* Need to load display info (and driver?), etc... (?) */ 198 199 load_image_data((caddr_t)&image_store, &image); 200 201 gm = &sc->curr_mode; 202 gm->mode_id = mode; 203 gm->fbbase = (caddr_t)sc->sc_handle; /* XXX evil! */ 204 gm->fboff = image.offset; 205 gm->rowbytes = image.rowbytes; 206 gm->width = image.right - image.left; 207 gm->height = image.bottom - image.top; 208 gm->fbsize = gm->height * gm->rowbytes; 209 gm->hres = image.hRes; 210 gm->vres = image.vRes; 211 gm->ptype = image.pixelType; 212 gm->psize = image.pixelSize; 213 214 strncpy(cardname, nubus_get_card_name(sc->sc_tag, sc->sc_handle, 215 &sc->sc_slot), CARD_NAME_LEN); 216 cardname[CARD_NAME_LEN-1] = '\0'; 217 printf(": %s\n", cardname); 218 219 if (sc->card_id == NUBUS_DRHW_TFB) { 220 /* 221 * This is the Toby card, but apparently some manufacturers 222 * (like Cornerstone) didn't bother to get/use their own 223 * value here, even though the cards are different, so we 224 * so we try to differentiate here. 225 */ 226 if (strncmp(cardname, "Samsung 768", 11) == 0) 227 sc->card_id = NUBUS_DRHW_SAM768; 228 else if (strncmp(cardname, "Toby frame", 10) != 0) 229 printf("%s: This display card pretends to be a TFB!\n", 230 sc->sc_dev.dv_xname); 231 } 232 233 switch (sc->card_id) { 234 case NUBUS_DRHW_TFB: 235 case NUBUS_DRHW_M2HRVC: 236 case NUBUS_DRHW_PVC: 237 sc->cli_offset = 0xa0000; 238 sc->cli_value = 0; 239 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 240 break; 241 case NUBUS_DRHW_WVC: 242 sc->cli_offset = 0xa00000; 243 sc->cli_value = 0; 244 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 245 break; 246 case NUBUS_DRHW_COLORMAX: 247 add_nubus_intr(na->slot, grfmv_intr_cmax, sc); 248 break; 249 case NUBUS_DRHW_SE30: 250 /* Do nothing--SE/30 interrupts are disabled */ 251 break; 252 case NUBUS_DRHW_MDC: 253 sc->cli_offset = 0x200148; 254 sc->cli_value = 1; 255 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc); 256 257 /* Enable interrupts; to disable, write 0x7 to this location */ 258 bus_space_write_4(sc->sc_tag, sc->sc_handle, 0x20013C, 5); 259 break; 260 case NUBUS_DRHW_CB264: 261 add_nubus_intr(na->slot, grfmv_intr_cb264, sc); 262 break; 263 case NUBUS_DRHW_CB364: 264 add_nubus_intr(na->slot, grfmv_intr_cb364, sc); 265 break; 266 case NUBUS_DRHW_RPC8: 267 sc->cli_offset = 0xfdff8f; 268 sc->cli_value = 0xff; 269 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 270 break; 271 case NUBUS_DRHW_RPC8XJ: 272 sc->cli_value = 0x66; 273 add_nubus_intr(na->slot, grfmv_intr_radius, sc); 274 break; 275 case NUBUS_DRHW_RPC24X: 276 sc->cli_value = 0x64; 277 add_nubus_intr(na->slot, grfmv_intr_radius, sc); 278 break; 279 case NUBUS_DRHW_RPC24XP: 280 add_nubus_intr(na->slot, grfmv_intr_radius24, sc); 281 break; 282 case NUBUS_DRHW_FIILX: 283 case NUBUS_DRHW_FIISXDSP: 284 case NUBUS_DRHW_FUTURASX: 285 sc->cli_offset = 0xf05000; 286 sc->cli_value = 0x80; 287 add_nubus_intr(na->slot, grfmv_intr_generic_write1, sc); 288 break; 289 case NUBUS_DRHW_SAM768: 290 add_nubus_intr(na->slot, grfmv_intr_cti, sc); 291 break; 292 case NUBUS_DRHW_SUPRGFX: 293 add_nubus_intr(na->slot, grfmv_intr_supermacgfx, sc); 294 break; 295 case NUBUS_DRHW_SPECTRM8: 296 sc->cli_offset = 0x0de178; 297 sc->cli_value = 0x80; 298 add_nubus_intr(na->slot, grfmv_intr_generic_or4, sc); 299 break; 300 case NUBUS_DRHW_LAPIS: 301 add_nubus_intr(na->slot, grfmv_intr_lapis, sc); 302 break; 303 case NUBUS_DRHW_FORMAC: 304 add_nubus_intr(na->slot, grfmv_intr_formac, sc); 305 break; 306 case NUBUS_DRHW_ROPS24LXI: 307 sc->cli_offset = 0xfb0010; 308 sc->cli_value = 0x00; 309 add_nubus_intr(na->slot, grfmv_intr_generic_write4, sc); 310 break; 311 case NUBUS_DRHW_VIMAGE: 312 add_nubus_intr(na->slot, grfmv_intr_vimage, sc); 313 break; 314 case NUBUS_DRHW_MICRON: 315 /* What do we know about this one? */ 316 default: 317 printf("%s: Unknown video card ID 0x%x --", 318 sc->sc_dev.dv_xname, sc->card_id); 319 printf(" Not installing interrupt routine.\n"); 320 break; 321 } 322 323 /* Perform common video attachment. */ 324 grf_establish(sc, &sc->sc_slot, grfmv_mode); 325 } 326 327 static int 328 grfmv_mode(gp, cmd, arg) 329 struct grf_softc *gp; 330 int cmd; 331 void *arg; 332 { 333 switch (cmd) { 334 case GM_GRFON: 335 case GM_GRFOFF: 336 return 0; 337 case GM_CURRMODE: 338 break; 339 case GM_NEWMODE: 340 break; 341 case GM_LISTMODES: 342 break; 343 } 344 return EINVAL; 345 } 346 347 /* Interrupt handlers... */ 348 /* 349 * Generic routine to clear interrupts for cards where it simply takes 350 * a MOV.B to clear the interrupt. The offset and value of this byte 351 * varies between cards. 352 */ 353 /*ARGSUSED*/ 354 static void 355 grfmv_intr_generic_write1(vsc) 356 void *vsc; 357 { 358 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 359 360 bus_space_write_1(sc->sc_tag, sc->sc_handle, 361 sc->cli_offset, (u_int8_t)sc->cli_value); 362 } 363 364 /* 365 * Generic routine to clear interrupts for cards where it simply takes 366 * a MOV.L to clear the interrupt. The offset and value of this byte 367 * varies between cards. 368 */ 369 /*ARGSUSED*/ 370 static void 371 grfmv_intr_generic_write4(vsc) 372 void *vsc; 373 { 374 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 375 376 bus_space_write_4(sc->sc_tag, sc->sc_handle, 377 sc->cli_offset, sc->cli_value); 378 } 379 380 /* 381 * Generic routine to clear interrupts for cards where it simply takes 382 * an OR.L to clear the interrupt. The offset and value of this byte 383 * varies between cards. 384 */ 385 /*ARGSUSED*/ 386 static void 387 grfmv_intr_generic_or4(vsc) 388 void *vsc; 389 { 390 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 391 unsigned long scratch; 392 393 scratch = bus_space_read_4(sc->sc_tag, sc->sc_handle, sc->cli_offset); 394 scratch |= 0x80; 395 bus_space_write_4(sc->sc_tag, sc->sc_handle, sc->cli_offset, scratch); 396 } 397 398 /* 399 * Routine to clear interrupts for the Radius PrecisionColor 8xj card. 400 */ 401 /*ARGSUSED*/ 402 static void 403 grfmv_intr_radius(vsc) 404 void *vsc; 405 { 406 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 407 u_int8_t c; 408 409 c = sc->cli_value; 410 411 c |= 0x80; 412 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c); 413 c &= 0x7f; 414 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c); 415 } 416 417 /* 418 * Routine to clear interrupts for the Radius PrecisionColor 24Xp card. 419 * Is this what the 8xj routine is doing, too? 420 */ 421 /*ARGSUSED*/ 422 static void 423 grfmv_intr_radius24(vsc) 424 void *vsc; 425 { 426 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 427 u_int8_t c; 428 429 c = 0x80 | bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xfffd8); 430 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c); 431 c &= 0x7f; 432 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xd00403, c); 433 } 434 435 /* 436 * Routine to clear interrupts on Samsung 768x1006 video controller. 437 * This controller was manufactured by Cornerstone Technology, Inc., 438 * now known as Cornerstone Imaging. 439 * 440 * To clear this interrupt, we apparently have to set, then clear, 441 * bit 2 at byte offset 0x80000 from the card's base. 442 * Information for this provided by Brad Salai <bsalai (at) servtech.com> 443 */ 444 /*ARGSUSED*/ 445 static void 446 grfmv_intr_cti(vsc) 447 void *vsc; 448 { 449 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 450 u_int8_t c; 451 452 c = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0x80000); 453 c |= 0x02; 454 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c); 455 c &= 0xfd; 456 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x80000, c); 457 } 458 459 /*ARGSUSED*/ 460 static void 461 grfmv_intr_cb264(vsc) 462 void *vsc; 463 { 464 struct grfbus_softc *sc; 465 volatile char *slotbase; 466 467 sc = (struct grfbus_softc *)vsc; 468 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */ 469 asm volatile(" movl %0,a0 470 movl a0@(0xff6028),d0 471 andl #0x2,d0 472 beq _mv_intr0 473 movql #0x3,d0 474 _mv_intr0: 475 movl a0@(0xff600c),d1 476 andl #0x3,d1 477 cmpl d1,d0 478 beq _mv_intr_fin 479 movl d0,a0@(0xff600c) 480 nop 481 tstb d0 482 beq _mv_intr1 483 movl #0x0002,a0@(0xff6040) 484 movl #0x0102,a0@(0xff6044) 485 movl #0x0105,a0@(0xff6048) 486 movl #0x000e,a0@(0xff604c) 487 movl #0x001c,a0@(0xff6050) 488 movl #0x00bc,a0@(0xff6054) 489 movl #0x00c3,a0@(0xff6058) 490 movl #0x0061,a0@(0xff605c) 491 movl #0x0012,a0@(0xff6060) 492 bra _mv_intr_fin 493 _mv_intr1: 494 movl #0x0002,a0@(0xff6040) 495 movl #0x0209,a0@(0xff6044) 496 movl #0x020c,a0@(0xff6048) 497 movl #0x000f,a0@(0xff604c) 498 movl #0x0027,a0@(0xff6050) 499 movl #0x00c7,a0@(0xff6054) 500 movl #0x00d7,a0@(0xff6058) 501 movl #0x006b,a0@(0xff605c) 502 movl #0x0029,a0@(0xff6060) 503 _mv_intr_fin: 504 movl #0x1,a0@(0xff6014)" 505 : : "g" (slotbase) : "a0","d0","d1"); 506 } 507 508 /* 509 * Support for the Colorboard 364 might be more complex than it needs to 510 * be. If we can find more information about this card, this might be 511 * significantly simplified. Contributions welcome... :-) 512 */ 513 /*ARGSUSED*/ 514 static void 515 grfmv_intr_cb364(vsc) 516 void *vsc; 517 { 518 struct grfbus_softc *sc; 519 volatile char *slotbase; 520 521 sc = (struct grfbus_softc *)vsc; 522 slotbase = (volatile char *)sc->sc_handle; /* XXX evil hack */ 523 asm volatile(" movl %0,a0 524 movl a0@(0xfe6028),d0 525 andl #0x2,d0 526 beq _cb364_intr4 527 movql #0x3,d0 528 movl a0@(0xfe6018),d1 529 movl #0x3,a0@(0xfe6018) 530 movw a0@(0xfe7010),d2 531 movl d1,a0@(0xfe6018) 532 movl a0@(0xfe6020),d1 533 btst #0x06,d2 534 beq _cb364_intr0 535 btst #0x00,d1 536 beq _cb364_intr5 537 bsr _cb364_intr1 538 bra _cb364_intr_out 539 _cb364_intr0: 540 btst #0x00,d1 541 bne _cb364_intr5 542 bsr _cb364_intr1 543 bra _cb364_intr_out 544 _cb364_intr1: 545 movl d0,a0@(0xfe600c) 546 nop 547 tstb d0 548 beq _cb364_intr3 549 movl #0x0002,a0@(0xfe6040) 550 movl #0x0105,a0@(0xfe6048) 551 movl #0x000e,a0@(0xfe604c) 552 movl #0x00c3,a0@(0xfe6058) 553 movl #0x0061,a0@(0xfe605c) 554 btst #0x06,d2 555 beq _cb364_intr2 556 movl #0x001c,a0@(0xfe6050) 557 movl #0x00bc,a0@(0xfe6054) 558 movl #0x0012,a0@(0xfe6060) 559 movl #0x000e,a0@(0xfe6044) 560 movl #0x00c3,a0@(0xfe6064) 561 movl #0x0061,a0@(0xfe6020) 562 rts 563 _cb364_intr2: 564 movl #0x0016,a0@(0xfe6050) 565 movl #0x00b6,a0@(0xfe6054) 566 movl #0x0011,a0@(0xfe6060) 567 movl #0x0101,a0@(0xfe6044) 568 movl #0x00bf,a0@(0xfe6064) 569 movl #0x0001,a0@(0xfe6020) 570 rts 571 _cb364_intr3: 572 movl #0x0002,a0@(0xfe6040) 573 movl #0x0209,a0@(0xfe6044) 574 movl #0x020c,a0@(0xfe6048) 575 movl #0x000f,a0@(0xfe604c) 576 movl #0x0027,a0@(0xfe6050) 577 movl #0x00c7,a0@(0xfe6054) 578 movl #0x00d7,a0@(0xfe6058) 579 movl #0x006b,a0@(0xfe605c) 580 movl #0x0029,a0@(0xfe6060) 581 oril #0x0040,a0@(0xfe6064) 582 movl #0x0000,a0@(0xfe6020) 583 rts 584 _cb364_intr4: 585 movq #0x00,d0 586 _cb364_intr5: 587 movl a0@(0xfe600c),d1 588 andl #0x3,d1 589 cmpl d1,d0 590 beq _cb364_intr_out 591 bsr _cb364_intr1 592 _cb364_intr_out: 593 movl #0x1,a0@(0xfe6014) 594 _cb364_intr_quit: 595 " : : "g" (slotbase) : "a0","d0","d1","d2"); 596 } 597 598 /* 599 * Interrupt clearing routine for SuperMac GFX card. 600 */ 601 /*ARGSUSED*/ 602 static void 603 grfmv_intr_supermacgfx(vsc) 604 void *vsc; 605 { 606 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 607 u_int8_t dummy; 608 609 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xE70D3); 610 } 611 612 /* 613 * Routine to clear interrupts for the Sigma Designs ColorMax card. 614 */ 615 /*ARGSUSED*/ 616 static void 617 grfmv_intr_cmax(vsc) 618 void *vsc; 619 { 620 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 621 u_int32_t dummy; 622 623 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf501c); 624 dummy = bus_space_read_4(sc->sc_tag, sc->sc_handle, 0xf5018); 625 } 626 627 /* 628 * Routine to clear interrupts for the Lapis ProColorServer 8 PDS card 629 * (for the SE/30). 630 */ 631 /*ARGSUSED*/ 632 static void 633 grfmv_intr_lapis(vsc) 634 void *vsc; 635 { 636 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 637 638 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x08); 639 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0xff7000, 0x0C); 640 } 641 642 /* 643 * Routine to clear interrupts for the Formac Color Card II 644 */ 645 /*ARGSUSED*/ 646 static void 647 grfmv_intr_formac(vsc) 648 void *vsc; 649 { 650 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 651 u_int8_t dummy; 652 653 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80db); 654 dummy = bus_space_read_1(sc->sc_tag, sc->sc_handle, 0xde80d3); 655 } 656 657 /* 658 * Routine to clear interrupts for the Vimage by Interware Co., Ltd. 659 */ 660 /*ARGSUSED*/ 661 static void 662 grfmv_intr_vimage(vsc) 663 void *vsc; 664 { 665 struct grfbus_softc *sc = (struct grfbus_softc *)vsc; 666 667 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0x67); 668 bus_space_write_1(sc->sc_tag, sc->sc_handle, 0x800000, 0xE7); 669 } 670
Indexes created Tue Sep 30 20:09:53 GMT 2025