1 /* $NetBSD: grf_ul.c,v 1.25 1998/01/12 10:39:40 thorpej Exp $ */ 2 #define UL_DEBUG 3 4 /* 5 * Copyright (c) 1995 Ignatios Souvatzis 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Ignatios Souvatzis for 19 * the NetBSD project. 20 * 4. The name of the authors may not be used to endorse or promote products 21 * derived from this software without specific prior written permission 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #include "grful.h" 35 #if NGRFUL > 0 36 37 /* Graphics routines for the University of Lowell A2410 board, 38 using the TMS34010 processor. */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/errno.h> 43 #include <sys/ioctl.h> 44 #include <sys/device.h> 45 #include <sys/malloc.h> 46 #include <sys/syslog.h> 47 48 #include <machine/cpu.h> 49 50 #include <amiga/amiga/device.h> 51 #include <amiga/amiga/isr.h> 52 #include <amiga/dev/zbusvar.h> 53 #include <amiga/dev/grfioctl.h> 54 #include <amiga/dev/grfvar.h> 55 #include <amiga/dev/grf_ulreg.h> 56 57 extern u_int16_t tmscode[]; 58 59 int ul_ioctl __P((struct grf_softc *, u_long, void *, dev_t)); 60 int ul_getcmap __P((struct grf_softc *, struct grf_colormap *, dev_t)); 61 int ul_putcmap __P((struct grf_softc *, struct grf_colormap *, dev_t)); 62 int ul_bitblt __P((struct grf_softc *, struct grf_bitblt *, dev_t)); 63 int ul_blank __P((struct grf_softc *, int *, dev_t)); 64 65 static int ulisr __P((void *)); 66 int ulowell_alive __P((struct grfvideo_mode *)); 67 static void ul_load_code __P((struct grf_softc *)); 68 static int ul_load_mon __P((struct grf_softc *, struct grfvideo_mode *)); 69 static int ul_getvmode __P((struct grf_softc *, struct grfvideo_mode *)); 70 static int ul_setvmode __P((struct grf_softc *, unsigned)); 71 static __inline void ul_setfb __P((struct grf_softc *, u_long)); 72 73 /* 74 * marked true early so that ulowell_cnprobe() can tell if we are alive. 75 */ 76 int ulowell_inited; 77 78 /* standard-palette definition */ 79 u_int8_t ul_std_palette[] = { 80 0,128, 0,128, 0,128, 0,128, 0,255, 0,255, 0,255, 0,255, 81 0, 0,128,128, 0, 0,128,128, 0, 0,255,255, 0, 0,255,255, 82 0, 0, 0, 0, 128,128,128,128, 0, 0, 0, 0, 255,255,255,255}; 83 84 u_int8_t ul_ovl_palette[] = { 85 128, 0, 0, 0, 86 128, 0, 0, 0, 87 128, 0, 0, 0}; 88 89 struct grfvideo_mode ul_monitor_defs[] = { 90 91 /* 92 * We give all these values in MI units, that is: 93 * horizontal timings in units of pixels 94 * vertical timings in units of lines 95 * point of reference is blanking end. 96 * 97 * The ul_load_mon transforms these values right before loading 98 * them into the chip. 99 * 100 * This leaves us with a single point where things are transformed, 101 * which should make life easier if we ever change things again. 102 */ 103 104 /* 1024x768, 60Hz */ 105 {1,"1024x768", 66667000, 1024,768,8, 1024,1088,1296,1392, 106 768,771,774,798, 0}, 107 /* 864x648, 70Hz */ 108 {2,"864x648", 50000000, 864,648,8, 864,928,992,1056, 109 648,658,663,678, 0}, 110 /* 800x600, 60Hz */ 111 {3, "800x600", 36000000, 800,600,8, 800,864,928,992, 112 600,610,615,630, 0}, 113 /* 640x400, 60 Hz, interlaced */ 114 {4, "640x400i", 14318000, 640,400,8, 640,768,832,912, 115 200,223,203,240, 1}, 116 /* 1024x768, 65Hz interlaced, s.th. is strange */ 117 {5, "1024x768?i", 44980000, 1024,768,8, 1024,1072,1136,1280, 118 488,509,512,534, 1}, 119 /* 1024x1024, 60Hz */ 120 {6, "1024x1024", 80000000, 1024,1024,8, 1024,1040,1120,1248, 121 1024,1027,1030,1055, 0}, 122 /* 736x480, 60 Hz */ 123 {7, "736x480", 28636300, 736,480,8, 736,784,848,928, 124 480,491,495,515, 0}, 125 }; 126 127 int ulowell_mon_max = sizeof (ul_monitor_defs)/sizeof (ul_monitor_defs[0]); 128 129 /* option settable */ 130 #ifndef ULOWELL_OSC1 131 #define ULOWELL_OSC1 36000000 132 #endif 133 134 #ifndef ULOWELL_OSC2 135 #define ULOWELL_OSC2 66667000 136 #endif 137 138 #ifndef ULOWELL_DEFAULT_MON 139 #define ULOWELL_DEFAULT_MON 1 140 #endif 141 142 /* patchable */ 143 int ulowell_default_mon = ULOWELL_DEFAULT_MON; 144 int ulowell_default_gfx = ULOWELL_DEFAULT_MON; 145 146 /* 147 * yes, this should be per board. We don't pay service to multiple boards, 148 * anyway. 149 */ 150 151 u_long ulowell_clock[2] = { ULOWELL_OSC2, ULOWELL_OSC1 }; 152 153 static struct grfvideo_mode *current_mon; 154 155 /* 156 * We dont use ints at the moment, but will need this later to avoid 157 * busy_waiting in gsp_write, and we use it for spurious int warnings. 158 */ 159 160 static int 161 ulisr(arg) 162 void *arg; 163 { 164 struct grf_softc *gp = arg; 165 struct gspregs *ba; 166 u_int16_t thebits; 167 168 if (gp == NULL) 169 return 0; 170 171 ba = (struct gspregs *)gp->g_regkva; 172 173 if (ba == NULL) 174 return 0; 175 176 thebits = ba->ctrl; 177 if (thebits & INTOUT) { 178 log(LOG_INFO, "grf4: got interrupt, ctrl=0x%4x\n", thebits); 179 /* clear int */ 180 ba->ctrl = thebits & ~INTOUT; 181 return 1; 182 } 183 return 0; 184 } 185 186 /* 187 * used to query the ulowell board to see if its alive. 188 * for the moment, a NOP. 189 */ 190 int 191 ulowell_alive(mdp) 192 struct grfvideo_mode *mdp; 193 { 194 return 1; 195 } 196 197 /* 198 * Load the (mostly) ite support code and the default colormaps. 199 */ 200 static void 201 ul_load_code(gp) 202 struct grf_softc *gp; 203 { 204 struct grf_ul_softc *gup; 205 struct gspregs *ba; 206 struct grfinfo *gi; 207 int i,j; 208 #if 0 209 struct grf_colormap gcm; 210 #endif 211 212 gup = (struct grf_ul_softc *)gp; 213 ba = (struct gspregs *)gp->g_regkva; 214 gi = &gp->g_display; 215 216 gi->gd_regaddr = ztwopa((caddr_t)ba); 217 gi->gd_regsize = sizeof(struct gspregs); 218 gi->gd_fbaddr = NULL; 219 gi->gd_fbsize = 0; 220 gi->gd_fbwidth = 1024; 221 gi->gd_fbheight = 1024; 222 gi->gd_colors = 256; 223 224 ba->ctrl = (ba->ctrl & ~INCR) | (LBL | INCW); 225 ba->hstadrh = 0xC000; 226 ba->hstadrl = 0x0080; 227 ba->data = 0x0; /* disable screen refresh and video output */ 228 ba->data = 0xFFFC; /* screen refresh base address */ 229 ba->data = 0xFFFF; /* no display int possible */ 230 ba->data = 0x000C; /* CAS before RAS refresh each 64 local clks */ 231 232 ba->ctrl = (ba->ctrl & ~INCW) | LBL; 233 ba->hstadrh = 0xfe80; 234 ba->hstadrl = 0; 235 ba->data = 4; 236 ba->hstadrl = 0x20; 237 ba->data = 0xFF; /* all color planes visible */ 238 239 ba->hstadrl = 0; 240 ba->data = 5; 241 ba->hstadrl = 0x20; 242 ba->data = 0; /* no color planes blinking */ 243 244 ba->hstadrl = 0; 245 ba->data = 6; 246 ba->hstadrl = 0x20; 247 ba->data = gup->gus_ovslct = 0x43; 248 /* overlay visible, no overlay blinking, overlay color 0 transparent */ 249 250 ba->hstadrl = 0; 251 ba->data = 7; 252 ba->hstadrl = 0x20; 253 ba->data = 0; /* voodoo */ 254 255 /* clear overlay planes */ 256 ba->ctrl |= INCW; 257 ba->hstadrh = 0xff80; 258 ba->hstadrl = 0x0000; 259 for (i=0xff80000; i< 0xffa0000; ++i) { 260 ba->data = 0; 261 } 262 263 /* download tms code */ 264 265 ba->ctrl = LBL | INCW | NMI | NMIM | HLT | CF; 266 267 printf("\ndownloading TMS code"); 268 i=0; 269 while ((j = tmscode[i++])) { 270 printf("."); 271 ba->hstadrh = tmscode[i++]; 272 ba->hstadrl = tmscode[i++]; 273 while (j-- > 0) { 274 ba->data = tmscode[i++]; 275 } 276 } 277 278 /* font info was uploaded in ite_ul.c(ite_ulinit). */ 279 280 #if 1 281 /* XXX load image palette with some initial values, slightly hacky */ 282 283 ba->hstadrh = 0xfe80; 284 ba->hstadrl = 0x0000; 285 ba->ctrl |= INCW; 286 ba->data = 0; 287 ba->ctrl &= ~INCW; 288 289 for (i=0; i<16; ++i) { 290 ba->data = gup->gus_imcmap[i+ 0] = ul_std_palette[i+ 0]; 291 ba->data = gup->gus_imcmap[i+256] = ul_std_palette[i+16]; 292 ba->data = gup->gus_imcmap[i+512] = ul_std_palette[i+32]; 293 } 294 295 /* 296 * XXX load shadow overlay palette with what the TMS code will load 297 * into the real one some time after the TMS code is started below. 298 * This might be considered a rude hack. 299 */ 300 bcopy(ul_ovl_palette, gup->gus_ovcmap, 3*4); 301 302 /* 303 * Unflush cache, unhalt cpu -> nmi starts to run. This MUST NOT BE 304 * DONE before the image color map initialization above, to guarantee 305 * the index register in the BT458 is not used by more than one CPU 306 * at once. 307 * 308 * XXX For the same reason, we'll have to rething ul_putcmap(). For 309 * details, look at comment there. 310 */ 311 ba->ctrl &= ~(HLT|CF); 312 313 #else 314 /* 315 * XXX I wonder why this partially ever worked. 316 * 317 * This can't possibly work this way, as we are copyin()ing data in 318 * ul_putcmap. 319 * 320 * I guess this partially worked because SFC happened to point to 321 * to supervisor data space on 68030 machines coming from the old 322 * boot loader. 323 * 324 * While this looks more correct than the hack in the other part of the 325 * loop, we would have to do our own version of the loop through 326 * colormap entries, set up command buffer, and call gsp_write(), or 327 * factor out some code. 328 */ 329 330 /* 331 * XXX This version will work for the overlay, if our queue codes 332 * initial conditions are set at load time (not start time). 333 * It further assumes that ul_putcmap only uses the 334 * GRFIMDEV/GRFOVDEV bits of the dev parameter. 335 */ 336 337 338 /* unflush cache, unhalt cpu first -> nmi starts to run */ 339 ba->ctrl &= ~(HLT|CF); 340 341 gcm.index = 0; 342 gcm.count = 16; 343 gcm.red = ul_std_palette + 0; 344 gcm.green = ul_std_palette + 16; 345 gcm.blue = ul_std_palette + 32; 346 ul_putcmap(gp, &gcm, GRFIMDEV); 347 348 gcm.index = 0; 349 gcm.count = 4; 350 gcm.red = ul_ovl_palette + 0; 351 gcm.green = ul_ovl_palette + 4; 352 gcm.blue = ul_ovl_palette + 8; 353 ul_putcmap(gp, &gcm, GRFOVDEV); 354 #endif 355 356 } 357 358 static int 359 ul_load_mon(gp, md) 360 struct grf_softc *gp; 361 struct grfvideo_mode *md; 362 { 363 struct grf_ul_softc *gup; 364 struct grfinfo *gi; 365 struct gspregs *ba; 366 u_int16_t buf[8]; 367 368 gup = (struct grf_ul_softc *)gp; 369 gi = &gp->g_display; 370 ba = (struct gspregs *)gp->g_regkva; 371 372 gi->gd_dyn.gdi_fbx = 0; 373 gi->gd_dyn.gdi_fby = 0; 374 gi->gd_dyn.gdi_dwidth = md->disp_width; 375 gi->gd_dyn.gdi_dheight = md->disp_height; 376 gi->gd_dyn.gdi_dx = 0; 377 gi->gd_dyn.gdi_dy = 0; 378 379 ba->ctrl = (ba->ctrl & ~INCR) | (LBL | INCW); /* XXX */ 380 381 ba->hstadrh = 0xC000; 382 ba->hstadrl = 0x0000; 383 384 ba->data = (md->hsync_stop - md->hsync_start)/16; 385 ba->data = (md->htotal - md->hsync_start)/16 - 1; 386 ba->data = (md->hblank_start + md->htotal - md->hsync_start)/16 - 1; 387 ba->data = md->htotal/16 - 1; 388 389 ba->data = md->vsync_stop - md->vsync_start; 390 ba->data = md->vtotal - md->vsync_start - 1; 391 ba->data = md->vblank_start + md->vtotal - md->vsync_start - 1; 392 ba->data = md->vtotal - 1; 393 394 ba->ctrl &= ~INCW; 395 ba->hstadrh = 0xFE90; 396 ba->hstadrl = 0x0000; 397 398 if (abs(md->pixel_clock - ulowell_clock[0]) > 399 abs(md->pixel_clock - ulowell_clock[1])) { 400 401 ba->data = (ba->data & 0xFC) | 2 | 1; 402 md->pixel_clock = ulowell_clock[1]; 403 404 } else { 405 ba->data = (ba->data & 0xFC) | 2 | 0; 406 md->pixel_clock = ulowell_clock[0]; 407 } 408 409 ba->ctrl |= LBL | INCW; 410 ba->hstadrh = 0xC000; 411 ba->hstadrl = 0x0080; 412 ba->data = md->disp_flags & GRF_FLAGS_LACE ? 0xb020 : 0xf020; 413 414 /* I guess this should be in the yet unimplemented mode select ioctl */ 415 /* Hm.. maybe not. We always put the console on overlay plane no 0. */ 416 /* Anyway, this _IS_ called in the mode select ioctl. */ 417 418 /* ite support code parameters: */ 419 buf[0] = GCMD_MCHG; 420 buf[1] = md->disp_width; /* display width */ 421 buf[2] = md->disp_height; /* display height */ 422 buf[3] = 0; /* LSW of frame buffer origin */ 423 buf[4] = 0xFF80; /* MSW of frame buffer origin */ 424 buf[5] = gi->gd_fbwidth * 1; /* frame buffer pitch */ 425 buf[6] = 1; /* frame buffer depth */ 426 gsp_write(ba, buf, 7); 427 428 return(1); 429 } 430 431 int ul_mode __P((struct grf_softc *, u_long, void *, u_long, int)); 432 433 void grfulattach __P((struct device *, struct device *, void *)); 434 int grfulprint __P((void *, const char *)); 435 int grfulmatch __P((struct device *, struct cfdata *, void *)); 436 437 struct cfattach grful_ca = { 438 sizeof(struct grf_ul_softc), grfulmatch, grfulattach 439 }; 440 441 /* 442 * only used in console init 443 */ 444 static struct cfdata *cfdata; 445 446 /* 447 * we make sure to only init things once. this is somewhat 448 * tricky regarding the console. 449 */ 450 int 451 grfulmatch(pdp, cfp, auxp) 452 struct device *pdp; 453 struct cfdata *cfp; 454 void *auxp; 455 { 456 #ifdef ULOWELLCONSOLE 457 static int ulconunit = -1; 458 #endif 459 struct zbus_args *zap; 460 461 zap = auxp; 462 463 /* 464 * allow only one ulowell console 465 */ 466 if (amiga_realconfig == 0) 467 #ifdef ULOWELLCONSOLE 468 if (ulconunit != -1) 469 #endif 470 return(0); 471 472 if (zap->manid != 1030 || zap->prodid != 0) 473 return(0); 474 475 #ifdef ULOWELLCONSOLE 476 if (amiga_realconfig == 0 || ulconunit != cfp->cf_unit) { 477 #endif 478 if ((unsigned)ulowell_default_mon > ulowell_mon_max) 479 ulowell_default_mon = 1; 480 481 current_mon = ul_monitor_defs + ulowell_default_mon - 1; 482 if (ulowell_alive(current_mon) == 0) 483 return(0); 484 #ifdef ULOWELLCONSOLE 485 if (amiga_realconfig == 0) { 486 ulconunit = cfp->cf_unit; 487 cfdata = cfp; 488 } 489 } 490 #endif 491 return(1); 492 } 493 494 /* 495 * attach to the grfbus (zbus) 496 */ 497 void 498 grfulattach(pdp, dp, auxp) 499 struct device *pdp, *dp; 500 void *auxp; 501 { 502 static struct grf_ul_softc congrf; 503 struct zbus_args *zap; 504 struct grf_softc *gp; 505 struct grf_ul_softc *gup; 506 507 zap = auxp; 508 509 if (dp == NULL) 510 gup = &congrf; 511 else 512 gup = (struct grf_ul_softc *)dp; 513 514 gp = &gup->gus_sc; 515 516 if (dp != NULL && congrf.gus_sc.g_regkva != 0) { 517 /* 518 * inited earlier, just copy (not device struct) 519 */ 520 bcopy(&congrf.gus_sc.g_display, &gp->g_display, 521 (char *)&gup->gus_isr - (char *)&gp->g_display); 522 523 /* ...and transfer the isr */ 524 gup->gus_isr.isr_ipl = 2; 525 gup->gus_isr.isr_intr = ulisr; 526 gup->gus_isr.isr_arg = (void *)gp; 527 /* 528 * To make sure ints are always catched, first add new isr 529 * then remove old: 530 */ 531 add_isr(&gup->gus_isr); 532 remove_isr(&congrf.gus_isr); 533 } else { 534 gp->g_regkva = (caddr_t)zap->va; 535 gp->g_fbkva = NULL; 536 gp->g_unit = GRF_ULOWELL_UNIT; 537 gp->g_flags = GF_ALIVE; 538 gp->g_mode = ul_mode; 539 gp->g_conpri = grful_cnprobe(); 540 gp->g_data = NULL; 541 542 gup->gus_isr.isr_ipl = 2; 543 gup->gus_isr.isr_intr = ulisr; 544 gup->gus_isr.isr_arg = (void *)gp; 545 add_isr(&gup->gus_isr); 546 547 (void)ul_load_code(gp); 548 (void)ul_load_mon(gp, current_mon); 549 grful_iteinit(gp); 550 } 551 if (dp != NULL) 552 printf("\n"); 553 /* 554 * attach grf 555 */ 556 amiga_config_found(cfdata, &gp->g_device, gp, grfulprint); 557 } 558 559 int 560 grfulprint(auxp, pnp) 561 void *auxp; 562 const char *pnp; 563 { 564 if (pnp) 565 printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit, 566 pnp); 567 return(UNCONF); 568 } 569 570 static int 571 ul_getvmode (gp, vm) 572 struct grf_softc *gp; 573 struct grfvideo_mode *vm; 574 { 575 struct grfvideo_mode *md; 576 577 if (vm->mode_num && vm->mode_num > ulowell_mon_max) 578 return EINVAL; 579 580 if (! vm->mode_num) 581 vm->mode_num = current_mon - ul_monitor_defs + 1; 582 583 md = ul_monitor_defs + vm->mode_num - 1; 584 strncpy (vm->mode_descr, md->mode_descr, 585 sizeof (vm->mode_descr)); 586 587 /* XXX should tell TMS to measure it */ 588 vm->pixel_clock = md->pixel_clock; 589 vm->disp_width = md->disp_width; 590 vm->disp_height = md->disp_height; 591 vm->depth = md->depth; 592 593 vm->hblank_start = md->hblank_start; 594 vm->hsync_start = md->hsync_start; 595 vm->hsync_stop = md->hsync_stop; 596 vm->htotal = md->htotal; 597 598 vm->vblank_start = md->vblank_start; 599 vm->vsync_start = md->vsync_start; 600 vm->vsync_stop = md->vsync_stop; 601 vm->vtotal = md->vtotal; 602 603 vm->disp_flags = md->disp_flags; 604 return 0; 605 } 606 607 608 static int 609 ul_setvmode (gp, mode) 610 struct grf_softc *gp; 611 unsigned mode; 612 { 613 struct grf_ul_softc *gup; 614 struct gspregs *ba; 615 int error; 616 617 if (!mode || mode > ulowell_mon_max) 618 return EINVAL; 619 620 ba = (struct gspregs *)gp->g_regkva; 621 gup = (struct grf_ul_softc *)gp; 622 current_mon = ul_monitor_defs + mode - 1; 623 624 error = ul_load_mon (gp, current_mon) ? 0 : EINVAL; 625 626 return error; 627 } 628 629 /* 630 * Set the frame buffer or overlay planes on or off. 631 * Always succeeds. 632 */ 633 634 static __inline void 635 ul_setfb(gp, cmd) 636 struct grf_softc *gp; 637 u_long cmd; 638 { 639 struct grf_ul_softc *gup; 640 struct gspregs *ba; 641 642 gup = (struct grf_ul_softc *)gp; 643 644 ba = (struct gspregs *)gp->g_regkva; 645 ba->ctrl = LBL; 646 ba->hstadrh = 0xfe80; 647 ba->hstadrl = 0x0000; 648 ba->data = 6; 649 ba->hstadrl = 0x0020; 650 651 switch (cmd) { 652 case GM_GRFON: 653 gup->gus_ovslct |= 0x40; 654 break; 655 case GM_GRFOFF: 656 gup->gus_ovslct &= ~0x40; 657 break; 658 case GM_GRFOVON: 659 gup->gus_ovslct |= 3; 660 break; 661 case GM_GRFOVOFF: 662 gup->gus_ovslct &= ~3; 663 break; 664 } 665 ba->data = gup->gus_ovslct; 666 } 667 668 /* 669 * Change the mode of the display. 670 * Return a UNIX error number or 0 for success. 671 */ 672 int 673 ul_mode(gp, cmd, arg, a2, a3) 674 struct grf_softc *gp; 675 u_long cmd; 676 void *arg; 677 u_long a2; 678 int a3; 679 { 680 int i; 681 struct grfdyninfo *gd; 682 683 switch (cmd) { 684 case GM_GRFON: 685 case GM_GRFOFF: 686 case GM_GRFOVON: 687 case GM_GRFOVOFF: 688 ul_setfb (gp, cmd); 689 return 0; 690 691 case GM_GRFCONFIG: 692 gd = (struct grfdyninfo *)arg; 693 for (i=0; i<ulowell_mon_max; ++i) { 694 if (ul_monitor_defs[i].disp_width == gd->gdi_dwidth && 695 ul_monitor_defs[i].disp_height == gd->gdi_dheight) 696 return ul_setvmode(gp, i+1); 697 } 698 return EINVAL; 699 700 case GM_GRFGETVMODE: 701 return ul_getvmode (gp, (struct grfvideo_mode *) arg); 702 703 case GM_GRFSETVMODE: 704 return ul_setvmode (gp, *(unsigned *) arg); 705 706 case GM_GRFGETNUMVM: 707 *(int *)arg = ulowell_mon_max; 708 return 0; 709 710 case GM_GRFIOCTL: 711 return ul_ioctl (gp, a2, arg, (dev_t)a3); 712 713 default: 714 break; 715 } 716 717 return EINVAL; 718 } 719 720 int 721 ul_ioctl (gp, cmd, data, dev) 722 register struct grf_softc *gp; 723 u_long cmd; 724 void *data; 725 dev_t dev; 726 { 727 switch (cmd) { 728 #if 0 729 /* 730 * XXX we have no hardware sprites, but might implement them 731 * later in TMS code. 732 */ 733 734 case GRFIOCGSPRITEPOS: 735 return ul_getspritepos (gp, (struct grf_position *) data); 736 737 case GRFIOCSSPRITEPOS: 738 return ul_setspritepos (gp, (struct grf_position *) data); 739 740 case GRFIOCSSPRITEINF: 741 return ul_setspriteinfo (gp, (struct grf_spriteinfo *) data); 742 743 case GRFIOCGSPRITEINF: 744 return ul_getspriteinfo (gp, (struct grf_spriteinfo *) data); 745 746 case GRFIOCGSPRITEMAX: 747 return ul_getspritemax (gp, (struct grf_position *) data); 748 749 #endif 750 751 case GRFIOCGETCMAP: 752 return ul_getcmap (gp, (struct grf_colormap *) data, dev); 753 754 case GRFIOCPUTCMAP: 755 return ul_putcmap (gp, (struct grf_colormap *) data, dev); 756 757 case GRFIOCBITBLT: 758 return ul_bitblt (gp, (struct grf_bitblt *) data, dev); 759 760 case GRFIOCBLANK: 761 return ul_blank (gp, (int *) data, dev); 762 } 763 764 return EINVAL; 765 } 766 767 int 768 ul_getcmap (gp, cmap, dev) 769 struct grf_softc *gp; 770 struct grf_colormap *cmap; 771 dev_t dev; 772 { 773 struct grf_ul_softc *gup; 774 u_int8_t *mymap; 775 int mxidx, error; 776 777 gup = (struct grf_ul_softc *)gp; 778 779 if (minor(dev) & GRFIMDEV) { 780 mxidx = 256; 781 mymap = gup->gus_imcmap; 782 } else { 783 mxidx = 4; 784 mymap = gup->gus_ovcmap; 785 } 786 787 if (cmap->count == 0 || cmap->index >= mxidx) 788 return 0; 789 790 if (cmap->index + cmap->count > mxidx) 791 cmap->count = mxidx - cmap->index; 792 793 /* just copyout from the shadow color map */ 794 795 if ((error = copyout(mymap + cmap->index, cmap->red, cmap->count)) 796 797 || (error = copyout(mymap + mxidx + cmap->index, cmap->green, 798 cmap->count)) 799 800 || (error = copyout(mymap + mxidx * 2 + cmap->index, cmap->blue, 801 cmap->count))) 802 803 return(error); 804 805 return(0); 806 } 807 808 int 809 ul_putcmap (gp, cmap, dev) 810 struct grf_softc *gp; 811 struct grf_colormap *cmap; 812 dev_t dev; 813 { 814 struct grf_ul_softc *gup; 815 struct gspregs *ba; 816 u_int16_t cmd[8]; 817 int x, mxidx, error; 818 u_int8_t *mymap; 819 820 gup = (struct grf_ul_softc *)gp; 821 822 if (minor(dev) & GRFIMDEV) { 823 mxidx = 256; 824 mymap = gup->gus_imcmap; 825 } else { 826 mxidx = 4; 827 mymap = gup->gus_ovcmap; 828 } 829 830 if (cmap->count == 0 || cmap->index >= mxidx) 831 return 0; 832 833 if (cmap->index + cmap->count > mxidx) 834 cmap->count = mxidx - cmap->index; 835 836 /* first copyin to our shadow color map */ 837 838 if ((error = copyin(cmap->red, mymap + cmap->index, cmap->count)) 839 840 || (error = copyin(cmap->green, mymap + cmap->index + mxidx, 841 cmap->count)) 842 843 || (error = copyin(cmap->blue, mymap + cmap->index + mxidx*2, 844 cmap->count))) 845 846 return error; 847 848 849 /* then write from there to the hardware */ 850 ba = (struct gspregs *)gp->g_regkva; 851 /* 852 * XXX This is a bad thing to do. 853 * We should always use the gsp call, or have a means to arbitrate 854 * the usage of the BT458 index register. Else there might be a 855 * race condition (when writing both colormaps at nearly the same 856 * time), where one CPU changes the index register when the other 857 * one has not finished using it. 858 */ 859 if (mxidx > 4) { 860 /* image color map: we can write, with a hack, directly */ 861 ba->ctrl = LBL; 862 ba->hstadrh = 0xfe80; 863 ba->hstadrl = 0x0000; 864 ba->ctrl |= INCW; 865 ba->data = cmap->index; 866 ba->ctrl &= ~INCW; 867 868 for (x=cmap->index; x < cmap->index + cmap->count; ++x) { 869 ba->data = (u_int16_t) mymap[x]; 870 ba->data = (u_int16_t) mymap[x + mxidx]; 871 ba->data = (u_int16_t) mymap[x + mxidx * 2]; 872 } 873 } else { 874 875 /* overlay planes color map: have to call tms to do it */ 876 cmd[0] = GCMD_CMAP; 877 cmd[1] = 1; 878 for (x=cmap->index; x < cmap->index + cmap->count; ++x) { 879 cmd[2] = x; 880 cmd[3] = mymap[x]; 881 cmd[4] = mymap[x + mxidx]; 882 cmd[5] = mymap[x + mxidx * 2]; 883 gsp_write(ba, cmd, 6); 884 } 885 } 886 return 0; 887 } 888 889 int 890 ul_blank(gp, onoff, dev) 891 struct grf_softc *gp; 892 int *onoff; 893 dev_t dev; 894 { 895 struct gspregs *gsp; 896 897 gsp = (struct gspregs *)gp->g_regkva; 898 gsp->ctrl = (gsp->ctrl & ~(INCR | INCW)) | LBL; 899 gsp->hstadrh = 0xC000; 900 gsp->hstadrl = 0x0080; 901 if (*onoff > 0) 902 gsp->data |= 0x9000; 903 else 904 gsp->data &= ~0x9000; 905 906 return 0; 907 } 908 /* 909 * !!! THIS AREA UNDER CONSTRUCTION !!! 910 */ 911 int ul_BltOpMap[16] = { 912 3, 1, 2, 0, 11, 9, 10, 8, 913 7, 5, 6, 4, 15, 13, 14, 12 914 }; 915 916 int 917 ul_bitblt (gp, bb, dev) 918 struct grf_softc *gp; 919 struct grf_bitblt *bb; 920 dev_t dev; 921 { 922 /* XXX not yet implemented, but pretty trivial */ 923 return EINVAL; 924 } 925 926 void 927 gsp_write(gsp, ptr, size) 928 struct gspregs *gsp; 929 u_short *ptr; 930 size_t size; 931 { 932 u_short put, new_put, next, oc; 933 u_long put_hi, oa; 934 size_t n; 935 936 if (size == 0 || size > 8) 937 return; 938 939 n = size; 940 941 oc = gsp->ctrl; 942 oa = GSPGETHADRS(gsp); 943 944 gsp->ctrl = (oc & ~INCR) | LBL | INCW; 945 GSPSETHADRS(gsp, GSP_MODE_ADRS); 946 gsp->data &= ~GMODE_FLUSH; 947 948 GSPSETHADRS(gsp, PUT_HI_PTR_ADRS); 949 put_hi = gsp->data << 16; 950 951 GSPSETHADRS(gsp, PUT_PTR_ADRS); 952 put = gsp->data; 953 new_put = put + (8<<4); 954 955 GSPSETHADRS(gsp, GET_PTR_ADRS); 956 next = gsp->data; 957 958 while (next == new_put) { 959 /* 960 * we should use an intr. here. unfortunately, we already 961 * are called from an interupt and can't use tsleep. 962 * so we do busy waiting, at least for the moment. 963 */ 964 965 GSPSETHADRS(gsp,GET_PTR_ADRS); 966 next = gsp->data; 967 } 968 969 GSPSETHADRS(gsp,put|put_hi); 970 gsp->data = *ptr++ | 8<<4; 971 while ( --n > 0) { 972 gsp->data = *ptr++; 973 } 974 975 GSPSETHADRS(gsp,PUT_PTR_ADRS); 976 gsp->data = new_put; 977 GSPSETHADRS(gsp,oa); 978 gsp->ctrl = oc; 979 980 return; 981 } 982 983 #endif /* NGRF */ 984