1 /* $NetBSD: grf_ul.c,v 1.31 2002/03/17 19:40:30 atatat Exp $ */ 2 #define UL_DEBUG 3 4 /*- 5 * Copyright (c) 1995 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Ignatios Souvatzis. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include "opt_amigacons.h" 41 42 #include <sys/cdefs.h> 43 __KERNEL_RCSID(0, "$NetBSD: grf_ul.c,v 1.31 2002/03/17 19:40:30 atatat Exp $"); 44 45 #include "grful.h" 46 #if NGRFUL > 0 47 48 /* Graphics routines for the University of Lowell A2410 board, 49 using the TMS34010 processor. */ 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/errno.h> 54 #include <sys/ioctl.h> 55 #include <sys/device.h> 56 #include <sys/malloc.h> 57 #include <sys/syslog.h> 58 59 #include <machine/cpu.h> 60 61 #include <amiga/amiga/device.h> 62 #include <amiga/amiga/isr.h> 63 #include <amiga/dev/zbusvar.h> 64 #include <amiga/dev/grfioctl.h> 65 #include <amiga/dev/grfvar.h> 66 #include <amiga/dev/grf_ulreg.h> 67 68 extern u_int16_t tmscode[]; 69 70 int ul_ioctl(struct grf_softc *, u_long, void *, dev_t); 71 int ul_getcmap(struct grf_softc *, struct grf_colormap *, dev_t); 72 int ul_putcmap(struct grf_softc *, struct grf_colormap *, dev_t); 73 int ul_bitblt(struct grf_softc *, struct grf_bitblt *, dev_t); 74 int ul_blank(struct grf_softc *, int *, dev_t); 75 76 static int ulisr(void *); 77 int ulowell_alive(struct grfvideo_mode *); 78 static void ul_load_code(struct grf_softc *); 79 static int ul_load_mon(struct grf_softc *, struct grfvideo_mode *); 80 static int ul_getvmode(struct grf_softc *, struct grfvideo_mode *); 81 static int ul_setvmode(struct grf_softc *, unsigned); 82 static __inline void ul_setfb(struct grf_softc *, u_long); 83 84 /* 85 * marked true early so that ulowell_cnprobe() can tell if we are alive. 86 */ 87 int ulowell_inited; 88 89 /* standard-palette definition */ 90 u_int8_t ul_std_palette[] = { 91 0,128, 0,128, 0,128, 0,128, 0,255, 0,255, 0,255, 0,255, 92 0, 0,128,128, 0, 0,128,128, 0, 0,255,255, 0, 0,255,255, 93 0, 0, 0, 0, 128,128,128,128, 0, 0, 0, 0, 255,255,255,255}; 94 95 u_int8_t ul_ovl_palette[] = { 96 128, 0, 0, 0, 97 128, 0, 0, 0, 98 128, 0, 0, 0}; 99 100 struct grfvideo_mode ul_monitor_defs[] = { 101 102 /* 103 * We give all these values in MI units, that is: 104 * horizontal timings in units of pixels 105 * vertical timings in units of lines 106 * point of reference is blanking end. 107 * 108 * The ul_load_mon transforms these values right before loading 109 * them into the chip. 110 * 111 * This leaves us with a single point where things are transformed, 112 * which should make life easier if we ever change things again. 113 */ 114 115 /* 1024x768, 60Hz */ 116 {1,"1024x768", 66667000, 1024,768,8, 1024,1088,1296,1392, 117 768,771,774,798, 0}, 118 /* 864x648, 70Hz */ 119 {2,"864x648", 50000000, 864,648,8, 864,928,992,1056, 120 648,658,663,678, 0}, 121 /* 800x600, 60Hz */ 122 {3, "800x600", 36000000, 800,600,8, 800,864,928,992, 123 600,610,615,630, 0}, 124 /* 640x400, 60 Hz, interlaced */ 125 {4, "640x400i", 14318000, 640,400,8, 640,768,832,912, 126 200,223,203,240, 1}, 127 /* 1024x768, 65Hz interlaced, s.th. is strange */ 128 {5, "1024x768?i", 44980000, 1024,768,8, 1024,1072,1136,1280, 129 488,509,512,534, 1}, 130 /* 1024x1024, 60Hz */ 131 {6, "1024x1024", 80000000, 1024,1024,8, 1024,1040,1120,1248, 132 1024,1027,1030,1055, 0}, 133 /* 736x480, 60 Hz */ 134 {7, "736x480", 28636300, 736,480,8, 736,784,848,928, 135 480,491,495,515, 0}, 136 }; 137 138 int ulowell_mon_max = sizeof (ul_monitor_defs)/sizeof (ul_monitor_defs[0]); 139 140 /* option settable */ 141 #ifndef ULOWELL_OSC1 142 #define ULOWELL_OSC1 36000000 143 #endif 144 145 #ifndef ULOWELL_OSC2 146 #define ULOWELL_OSC2 66667000 147 #endif 148 149 #ifndef ULOWELL_DEFAULT_MON 150 #define ULOWELL_DEFAULT_MON 1 151 #endif 152 153 /* patchable */ 154 int ulowell_default_mon = ULOWELL_DEFAULT_MON; 155 int ulowell_default_gfx = ULOWELL_DEFAULT_MON; 156 157 /* 158 * yes, this should be per board. We don't pay service to multiple boards, 159 * anyway. 160 */ 161 162 u_long ulowell_clock[2] = { ULOWELL_OSC2, ULOWELL_OSC1 }; 163 164 static struct grfvideo_mode *current_mon; 165 166 /* 167 * We dont use ints at the moment, but will need this later to avoid 168 * busy_waiting in gsp_write, and we use it for spurious int warnings. 169 */ 170 171 static int 172 ulisr(arg) 173 void *arg; 174 { 175 struct grf_softc *gp = arg; 176 struct gspregs *ba; 177 u_int16_t thebits; 178 179 if (gp == NULL) 180 return 0; 181 182 ba = (struct gspregs *)gp->g_regkva; 183 184 if (ba == NULL) 185 return 0; 186 187 thebits = ba->ctrl; 188 if (thebits & INTOUT) { 189 log(LOG_INFO, "grf4: got interrupt, ctrl=0x%4x\n", thebits); 190 /* clear int */ 191 ba->ctrl = thebits & ~INTOUT; 192 return 1; 193 } 194 return 0; 195 } 196 197 /* 198 * used to query the ulowell board to see if its alive. 199 * for the moment, a NOP. 200 */ 201 int 202 ulowell_alive(mdp) 203 struct grfvideo_mode *mdp; 204 { 205 return 1; 206 } 207 208 /* 209 * Load the (mostly) ite support code and the default colormaps. 210 */ 211 static void 212 ul_load_code(gp) 213 struct grf_softc *gp; 214 { 215 struct grf_ul_softc *gup; 216 struct gspregs *ba; 217 struct grfinfo *gi; 218 int i,j; 219 #if 0 220 struct grf_colormap gcm; 221 #endif 222 223 gup = (struct grf_ul_softc *)gp; 224 ba = (struct gspregs *)gp->g_regkva; 225 gi = &gp->g_display; 226 227 gi->gd_regaddr = ztwopa((caddr_t)ba); 228 gi->gd_regsize = sizeof(struct gspregs); 229 gi->gd_fbaddr = NULL; 230 gi->gd_fbsize = 0; 231 gi->gd_fbwidth = 1024; 232 gi->gd_fbheight = 1024; 233 gi->gd_colors = 256; 234 235 ba->ctrl = (ba->ctrl & ~INCR) | (LBL | INCW); 236 ba->hstadrh = 0xC000; 237 ba->hstadrl = 0x0080; 238 ba->data = 0x0; /* disable screen refresh and video output */ 239 ba->data = 0xFFFC; /* screen refresh base address */ 240 ba->data = 0xFFFF; /* no display int possible */ 241 ba->data = 0x000C; /* CAS before RAS refresh each 64 local clks */ 242 243 ba->ctrl = (ba->ctrl & ~INCW) | LBL; 244 ba->hstadrh = 0xfe80; 245 ba->hstadrl = 0; 246 ba->data = 4; 247 ba->hstadrl = 0x20; 248 ba->data = 0xFF; /* all color planes visible */ 249 250 ba->hstadrl = 0; 251 ba->data = 5; 252 ba->hstadrl = 0x20; 253 ba->data = 0; /* no color planes blinking */ 254 255 ba->hstadrl = 0; 256 ba->data = 6; 257 ba->hstadrl = 0x20; 258 ba->data = gup->gus_ovslct = 0x43; 259 /* overlay visible, no overlay blinking, overlay color 0 transparent */ 260 261 ba->hstadrl = 0; 262 ba->data = 7; 263 ba->hstadrl = 0x20; 264 ba->data = 0; /* voodoo */ 265 266 /* clear overlay planes */ 267 ba->ctrl |= INCW; 268 ba->hstadrh = 0xff80; 269 ba->hstadrl = 0x0000; 270 for (i=0xff80000; i< 0xffa0000; ++i) { 271 ba->data = 0; 272 } 273 274 /* download tms code */ 275 276 ba->ctrl = LBL | INCW | NMI | NMIM | HLT | CF; 277 278 printf("\ndownloading TMS code"); 279 i=0; 280 while ((j = tmscode[i++])) { 281 printf("."); 282 ba->hstadrh = tmscode[i++]; 283 ba->hstadrl = tmscode[i++]; 284 while (j-- > 0) { 285 ba->data = tmscode[i++]; 286 } 287 } 288 289 /* font info was uploaded in ite_ul.c(ite_ulinit). */ 290 291 #if 1 292 /* XXX load image palette with some initial values, slightly hacky */ 293 294 ba->hstadrh = 0xfe80; 295 ba->hstadrl = 0x0000; 296 ba->ctrl |= INCW; 297 ba->data = 0; 298 ba->ctrl &= ~INCW; 299 300 for (i=0; i<16; ++i) { 301 ba->data = gup->gus_imcmap[i+ 0] = ul_std_palette[i+ 0]; 302 ba->data = gup->gus_imcmap[i+256] = ul_std_palette[i+16]; 303 ba->data = gup->gus_imcmap[i+512] = ul_std_palette[i+32]; 304 } 305 306 /* 307 * XXX load shadow overlay palette with what the TMS code will load 308 * into the real one some time after the TMS code is started below. 309 * This might be considered a rude hack. 310 */ 311 bcopy(ul_ovl_palette, gup->gus_ovcmap, 3*4); 312 313 /* 314 * Unflush cache, unhalt cpu -> nmi starts to run. This MUST NOT BE 315 * DONE before the image color map initialization above, to guarantee 316 * the index register in the BT458 is not used by more than one CPU 317 * at once. 318 * 319 * XXX For the same reason, we'll have to rething ul_putcmap(). For 320 * details, look at comment there. 321 */ 322 ba->ctrl &= ~(HLT|CF); 323 324 #else 325 /* 326 * XXX I wonder why this partially ever worked. 327 * 328 * This can't possibly work this way, as we are copyin()ing data in 329 * ul_putcmap. 330 * 331 * I guess this partially worked because SFC happened to point to 332 * to supervisor data space on 68030 machines coming from the old 333 * boot loader. 334 * 335 * While this looks more correct than the hack in the other part of the 336 * loop, we would have to do our own version of the loop through 337 * colormap entries, set up command buffer, and call gsp_write(), or 338 * factor out some code. 339 */ 340 341 /* 342 * XXX This version will work for the overlay, if our queue codes 343 * initial conditions are set at load time (not start time). 344 * It further assumes that ul_putcmap only uses the 345 * GRFIMDEV/GRFOVDEV bits of the dev parameter. 346 */ 347 348 349 /* unflush cache, unhalt cpu first -> nmi starts to run */ 350 ba->ctrl &= ~(HLT|CF); 351 352 gcm.index = 0; 353 gcm.count = 16; 354 gcm.red = ul_std_palette + 0; 355 gcm.green = ul_std_palette + 16; 356 gcm.blue = ul_std_palette + 32; 357 ul_putcmap(gp, &gcm, GRFIMDEV); 358 359 gcm.index = 0; 360 gcm.count = 4; 361 gcm.red = ul_ovl_palette + 0; 362 gcm.green = ul_ovl_palette + 4; 363 gcm.blue = ul_ovl_palette + 8; 364 ul_putcmap(gp, &gcm, GRFOVDEV); 365 #endif 366 367 } 368 369 static int 370 ul_load_mon(gp, md) 371 struct grf_softc *gp; 372 struct grfvideo_mode *md; 373 { 374 struct grf_ul_softc *gup; 375 struct grfinfo *gi; 376 struct gspregs *ba; 377 u_int16_t buf[8]; 378 379 gup = (struct grf_ul_softc *)gp; 380 gi = &gp->g_display; 381 ba = (struct gspregs *)gp->g_regkva; 382 383 gi->gd_dyn.gdi_fbx = 0; 384 gi->gd_dyn.gdi_fby = 0; 385 gi->gd_dyn.gdi_dwidth = md->disp_width; 386 gi->gd_dyn.gdi_dheight = md->disp_height; 387 gi->gd_dyn.gdi_dx = 0; 388 gi->gd_dyn.gdi_dy = 0; 389 390 ba->ctrl = (ba->ctrl & ~INCR) | (LBL | INCW); /* XXX */ 391 392 ba->hstadrh = 0xC000; 393 ba->hstadrl = 0x0000; 394 395 ba->data = (md->hsync_stop - md->hsync_start)/16; 396 ba->data = (md->htotal - md->hsync_start)/16 - 1; 397 ba->data = (md->hblank_start + md->htotal - md->hsync_start)/16 - 1; 398 ba->data = md->htotal/16 - 1; 399 400 ba->data = md->vsync_stop - md->vsync_start; 401 ba->data = md->vtotal - md->vsync_start - 1; 402 ba->data = md->vblank_start + md->vtotal - md->vsync_start - 1; 403 ba->data = md->vtotal - 1; 404 405 ba->ctrl &= ~INCW; 406 ba->hstadrh = 0xFE90; 407 ba->hstadrl = 0x0000; 408 409 if (abs(md->pixel_clock - ulowell_clock[0]) > 410 abs(md->pixel_clock - ulowell_clock[1])) { 411 412 ba->data = (ba->data & 0xFC) | 2 | 1; 413 md->pixel_clock = ulowell_clock[1]; 414 415 } else { 416 ba->data = (ba->data & 0xFC) | 2 | 0; 417 md->pixel_clock = ulowell_clock[0]; 418 } 419 420 ba->ctrl |= LBL | INCW; 421 ba->hstadrh = 0xC000; 422 ba->hstadrl = 0x0080; 423 ba->data = md->disp_flags & GRF_FLAGS_LACE ? 0xb020 : 0xf020; 424 425 /* I guess this should be in the yet unimplemented mode select ioctl */ 426 /* Hm.. maybe not. We always put the console on overlay plane no 0. */ 427 /* Anyway, this _IS_ called in the mode select ioctl. */ 428 429 /* ite support code parameters: */ 430 buf[0] = GCMD_MCHG; 431 buf[1] = md->disp_width; /* display width */ 432 buf[2] = md->disp_height; /* display height */ 433 buf[3] = 0; /* LSW of frame buffer origin */ 434 buf[4] = 0xFF80; /* MSW of frame buffer origin */ 435 buf[5] = gi->gd_fbwidth * 1; /* frame buffer pitch */ 436 buf[6] = 1; /* frame buffer depth */ 437 gsp_write(ba, buf, 7); 438 439 return(1); 440 } 441 442 int ul_mode(struct grf_softc *, u_long, void *, u_long, int); 443 444 void grfulattach(struct device *, struct device *, void *); 445 int grfulprint(void *, const char *); 446 int grfulmatch(struct device *, struct cfdata *, void *); 447 448 struct cfattach grful_ca = { 449 sizeof(struct grf_ul_softc), grfulmatch, grfulattach 450 }; 451 452 /* 453 * only used in console init 454 */ 455 static struct cfdata *cfdata; 456 457 /* 458 * we make sure to only init things once. this is somewhat 459 * tricky regarding the console. 460 */ 461 int 462 grfulmatch(pdp, cfp, auxp) 463 struct device *pdp; 464 struct cfdata *cfp; 465 void *auxp; 466 { 467 #ifdef ULOWELLCONSOLE 468 static int ulconunit = -1; 469 #endif 470 struct zbus_args *zap; 471 472 zap = auxp; 473 474 /* 475 * allow only one ulowell console 476 */ 477 if (amiga_realconfig == 0) 478 #ifdef ULOWELLCONSOLE 479 if (ulconunit != -1) 480 #endif 481 return(0); 482 483 if (zap->manid != 1030 || zap->prodid != 0) 484 return(0); 485 486 #ifdef ULOWELLCONSOLE 487 if (amiga_realconfig == 0 || ulconunit != cfp->cf_unit) { 488 #endif 489 if ((unsigned)ulowell_default_mon > ulowell_mon_max) 490 ulowell_default_mon = 1; 491 492 current_mon = ul_monitor_defs + ulowell_default_mon - 1; 493 if (ulowell_alive(current_mon) == 0) 494 return(0); 495 #ifdef ULOWELLCONSOLE 496 if (amiga_realconfig == 0) { 497 ulconunit = cfp->cf_unit; 498 cfdata = cfp; 499 } 500 } 501 #endif 502 return(1); 503 } 504 505 /* 506 * attach to the grfbus (zbus) 507 */ 508 void 509 grfulattach(pdp, dp, auxp) 510 struct device *pdp, *dp; 511 void *auxp; 512 { 513 static struct grf_ul_softc congrf; 514 struct zbus_args *zap; 515 struct grf_softc *gp; 516 struct grf_ul_softc *gup; 517 518 zap = auxp; 519 520 if (dp == NULL) 521 gup = &congrf; 522 else 523 gup = (struct grf_ul_softc *)dp; 524 525 gp = &gup->gus_sc; 526 527 if (dp != NULL && congrf.gus_sc.g_regkva != 0) { 528 /* 529 * inited earlier, just copy (not device struct) 530 */ 531 bcopy(&congrf.gus_sc.g_display, &gp->g_display, 532 (char *)&gup->gus_isr - (char *)&gp->g_display); 533 534 /* ...and transfer the isr */ 535 gup->gus_isr.isr_ipl = 2; 536 gup->gus_isr.isr_intr = ulisr; 537 gup->gus_isr.isr_arg = (void *)gp; 538 /* 539 * To make sure ints are always catched, first add new isr 540 * then remove old: 541 */ 542 add_isr(&gup->gus_isr); 543 remove_isr(&congrf.gus_isr); 544 } else { 545 gp->g_regkva = (caddr_t)zap->va; 546 gp->g_fbkva = NULL; 547 gp->g_unit = GRF_ULOWELL_UNIT; 548 gp->g_flags = GF_ALIVE; 549 gp->g_mode = ul_mode; 550 gp->g_conpri = grful_cnprobe(); 551 gp->g_data = NULL; 552 553 gup->gus_isr.isr_ipl = 2; 554 gup->gus_isr.isr_intr = ulisr; 555 gup->gus_isr.isr_arg = (void *)gp; 556 add_isr(&gup->gus_isr); 557 558 (void)ul_load_code(gp); 559 (void)ul_load_mon(gp, current_mon); 560 grful_iteinit(gp); 561 } 562 if (dp != NULL) 563 printf("\n"); 564 /* 565 * attach grf 566 */ 567 amiga_config_found(cfdata, &gp->g_device, gp, grfulprint); 568 } 569 570 int 571 grfulprint(auxp, pnp) 572 void *auxp; 573 const char *pnp; 574 { 575 if (pnp) 576 printf("grf%d at %s", ((struct grf_softc *)auxp)->g_unit, 577 pnp); 578 return(UNCONF); 579 } 580 581 static int 582 ul_getvmode (gp, vm) 583 struct grf_softc *gp; 584 struct grfvideo_mode *vm; 585 { 586 struct grfvideo_mode *md; 587 588 if (vm->mode_num && vm->mode_num > ulowell_mon_max) 589 return EINVAL; 590 591 if (! vm->mode_num) 592 vm->mode_num = current_mon - ul_monitor_defs + 1; 593 594 md = ul_monitor_defs + vm->mode_num - 1; 595 strncpy (vm->mode_descr, md->mode_descr, 596 sizeof (vm->mode_descr)); 597 598 /* XXX should tell TMS to measure it */ 599 vm->pixel_clock = md->pixel_clock; 600 vm->disp_width = md->disp_width; 601 vm->disp_height = md->disp_height; 602 vm->depth = md->depth; 603 604 vm->hblank_start = md->hblank_start; 605 vm->hsync_start = md->hsync_start; 606 vm->hsync_stop = md->hsync_stop; 607 vm->htotal = md->htotal; 608 609 vm->vblank_start = md->vblank_start; 610 vm->vsync_start = md->vsync_start; 611 vm->vsync_stop = md->vsync_stop; 612 vm->vtotal = md->vtotal; 613 614 vm->disp_flags = md->disp_flags; 615 return 0; 616 } 617 618 619 static int 620 ul_setvmode (gp, mode) 621 struct grf_softc *gp; 622 unsigned mode; 623 { 624 struct grf_ul_softc *gup; 625 struct gspregs *ba; 626 int error; 627 628 if (!mode || mode > ulowell_mon_max) 629 return EINVAL; 630 631 ba = (struct gspregs *)gp->g_regkva; 632 gup = (struct grf_ul_softc *)gp; 633 current_mon = ul_monitor_defs + mode - 1; 634 635 error = ul_load_mon (gp, current_mon) ? 0 : EINVAL; 636 637 return error; 638 } 639 640 /* 641 * Set the frame buffer or overlay planes on or off. 642 * Always succeeds. 643 */ 644 645 static __inline void 646 ul_setfb(gp, cmd) 647 struct grf_softc *gp; 648 u_long cmd; 649 { 650 struct grf_ul_softc *gup; 651 struct gspregs *ba; 652 653 gup = (struct grf_ul_softc *)gp; 654 655 ba = (struct gspregs *)gp->g_regkva; 656 ba->ctrl = LBL; 657 ba->hstadrh = 0xfe80; 658 ba->hstadrl = 0x0000; 659 ba->data = 6; 660 ba->hstadrl = 0x0020; 661 662 switch (cmd) { 663 case GM_GRFON: 664 gup->gus_ovslct |= 0x40; 665 break; 666 case GM_GRFOFF: 667 gup->gus_ovslct &= ~0x40; 668 break; 669 case GM_GRFOVON: 670 gup->gus_ovslct |= 3; 671 break; 672 case GM_GRFOVOFF: 673 gup->gus_ovslct &= ~3; 674 break; 675 } 676 ba->data = gup->gus_ovslct; 677 } 678 679 /* 680 * Change the mode of the display. 681 * Return a UNIX error number or 0 for success. 682 */ 683 int 684 ul_mode(gp, cmd, arg, a2, a3) 685 struct grf_softc *gp; 686 u_long cmd; 687 void *arg; 688 u_long a2; 689 int a3; 690 { 691 int i; 692 struct grfdyninfo *gd; 693 694 switch (cmd) { 695 case GM_GRFON: 696 case GM_GRFOFF: 697 case GM_GRFOVON: 698 case GM_GRFOVOFF: 699 ul_setfb (gp, cmd); 700 return 0; 701 702 case GM_GRFCONFIG: 703 gd = (struct grfdyninfo *)arg; 704 for (i=0; i<ulowell_mon_max; ++i) { 705 if (ul_monitor_defs[i].disp_width == gd->gdi_dwidth && 706 ul_monitor_defs[i].disp_height == gd->gdi_dheight) 707 return ul_setvmode(gp, i+1); 708 } 709 return EINVAL; 710 711 case GM_GRFGETVMODE: 712 return ul_getvmode (gp, (struct grfvideo_mode *) arg); 713 714 case GM_GRFSETVMODE: 715 return ul_setvmode (gp, *(unsigned *) arg); 716 717 case GM_GRFGETNUMVM: 718 *(int *)arg = ulowell_mon_max; 719 return 0; 720 721 case GM_GRFIOCTL: 722 return ul_ioctl (gp, a2, arg, (dev_t)a3); 723 724 default: 725 break; 726 } 727 728 return EPASSTHROUGH; 729 } 730 731 int 732 ul_ioctl (gp, cmd, data, dev) 733 register struct grf_softc *gp; 734 u_long cmd; 735 void *data; 736 dev_t dev; 737 { 738 switch (cmd) { 739 #if 0 740 /* 741 * XXX we have no hardware sprites, but might implement them 742 * later in TMS code. 743 */ 744 745 case GRFIOCGSPRITEPOS: 746 return ul_getspritepos (gp, (struct grf_position *) data); 747 748 case GRFIOCSSPRITEPOS: 749 return ul_setspritepos (gp, (struct grf_position *) data); 750 751 case GRFIOCSSPRITEINF: 752 return ul_setspriteinfo (gp, (struct grf_spriteinfo *) data); 753 754 case GRFIOCGSPRITEINF: 755 return ul_getspriteinfo (gp, (struct grf_spriteinfo *) data); 756 757 case GRFIOCGSPRITEMAX: 758 return ul_getspritemax (gp, (struct grf_position *) data); 759 760 #endif 761 762 case GRFIOCGETCMAP: 763 return ul_getcmap (gp, (struct grf_colormap *) data, dev); 764 765 case GRFIOCPUTCMAP: 766 return ul_putcmap (gp, (struct grf_colormap *) data, dev); 767 768 case GRFIOCBITBLT: 769 return ul_bitblt (gp, (struct grf_bitblt *) data, dev); 770 771 case GRFIOCBLANK: 772 return ul_blank (gp, (int *) data, dev); 773 } 774 775 return EPASSTHROUGH; 776 } 777 778 int 779 ul_getcmap (gp, cmap, dev) 780 struct grf_softc *gp; 781 struct grf_colormap *cmap; 782 dev_t dev; 783 { 784 struct grf_ul_softc *gup; 785 u_int8_t *mymap; 786 int mxidx, error; 787 788 gup = (struct grf_ul_softc *)gp; 789 790 if (minor(dev) & GRFIMDEV) { 791 mxidx = 256; 792 mymap = gup->gus_imcmap; 793 } else { 794 mxidx = 4; 795 mymap = gup->gus_ovcmap; 796 } 797 798 if (cmap->count == 0 || cmap->index >= mxidx) 799 return 0; 800 801 if (cmap->index + cmap->count > mxidx) 802 cmap->count = mxidx - cmap->index; 803 804 /* just copyout from the shadow color map */ 805 806 if ((error = copyout(mymap + cmap->index, cmap->red, cmap->count)) 807 808 || (error = copyout(mymap + mxidx + cmap->index, cmap->green, 809 cmap->count)) 810 811 || (error = copyout(mymap + mxidx * 2 + cmap->index, cmap->blue, 812 cmap->count))) 813 814 return(error); 815 816 return(0); 817 } 818 819 int 820 ul_putcmap (gp, cmap, dev) 821 struct grf_softc *gp; 822 struct grf_colormap *cmap; 823 dev_t dev; 824 { 825 struct grf_ul_softc *gup; 826 struct gspregs *ba; 827 u_int16_t cmd[8]; 828 int x, mxidx, error; 829 u_int8_t *mymap; 830 831 gup = (struct grf_ul_softc *)gp; 832 833 if (minor(dev) & GRFIMDEV) { 834 mxidx = 256; 835 mymap = gup->gus_imcmap; 836 } else { 837 mxidx = 4; 838 mymap = gup->gus_ovcmap; 839 } 840 841 if (cmap->count == 0 || cmap->index >= mxidx) 842 return 0; 843 844 if (cmap->index + cmap->count > mxidx) 845 cmap->count = mxidx - cmap->index; 846 847 /* first copyin to our shadow color map */ 848 849 if ((error = copyin(cmap->red, mymap + cmap->index, cmap->count)) 850 851 || (error = copyin(cmap->green, mymap + cmap->index + mxidx, 852 cmap->count)) 853 854 || (error = copyin(cmap->blue, mymap + cmap->index + mxidx*2, 855 cmap->count))) 856 857 return error; 858 859 860 /* then write from there to the hardware */ 861 ba = (struct gspregs *)gp->g_regkva; 862 /* 863 * XXX This is a bad thing to do. 864 * We should always use the gsp call, or have a means to arbitrate 865 * the usage of the BT458 index register. Else there might be a 866 * race condition (when writing both colormaps at nearly the same 867 * time), where one CPU changes the index register when the other 868 * one has not finished using it. 869 */ 870 if (mxidx > 4) { 871 /* image color map: we can write, with a hack, directly */ 872 ba->ctrl = LBL; 873 ba->hstadrh = 0xfe80; 874 ba->hstadrl = 0x0000; 875 ba->ctrl |= INCW; 876 ba->data = cmap->index; 877 ba->ctrl &= ~INCW; 878 879 for (x=cmap->index; x < cmap->index + cmap->count; ++x) { 880 ba->data = (u_int16_t) mymap[x]; 881 ba->data = (u_int16_t) mymap[x + mxidx]; 882 ba->data = (u_int16_t) mymap[x + mxidx * 2]; 883 } 884 } else { 885 886 /* overlay planes color map: have to call tms to do it */ 887 cmd[0] = GCMD_CMAP; 888 cmd[1] = 1; 889 for (x=cmap->index; x < cmap->index + cmap->count; ++x) { 890 cmd[2] = x; 891 cmd[3] = mymap[x]; 892 cmd[4] = mymap[x + mxidx]; 893 cmd[5] = mymap[x + mxidx * 2]; 894 gsp_write(ba, cmd, 6); 895 } 896 } 897 return 0; 898 } 899 900 int 901 ul_blank(gp, onoff, dev) 902 struct grf_softc *gp; 903 int *onoff; 904 dev_t dev; 905 { 906 struct gspregs *gsp; 907 908 gsp = (struct gspregs *)gp->g_regkva; 909 gsp->ctrl = (gsp->ctrl & ~(INCR | INCW)) | LBL; 910 gsp->hstadrh = 0xC000; 911 gsp->hstadrl = 0x0080; 912 if (*onoff > 0) 913 gsp->data |= 0x9000; 914 else 915 gsp->data &= ~0x9000; 916 917 return 0; 918 } 919 /* 920 * !!! THIS AREA UNDER CONSTRUCTION !!! 921 */ 922 int ul_BltOpMap[16] = { 923 3, 1, 2, 0, 11, 9, 10, 8, 924 7, 5, 6, 4, 15, 13, 14, 12 925 }; 926 927 int 928 ul_bitblt (gp, bb, dev) 929 struct grf_softc *gp; 930 struct grf_bitblt *bb; 931 dev_t dev; 932 { 933 /* XXX not yet implemented, but pretty trivial */ 934 return EPASSTHROUGH; 935 } 936 937 void 938 gsp_write(gsp, ptr, size) 939 struct gspregs *gsp; 940 u_short *ptr; 941 size_t size; 942 { 943 u_short put, new_put, next, oc; 944 u_long put_hi, oa; 945 size_t n; 946 947 if (size == 0 || size > 8) 948 return; 949 950 n = size; 951 952 oc = gsp->ctrl; 953 oa = GSPGETHADRS(gsp); 954 955 gsp->ctrl = (oc & ~INCR) | LBL | INCW; 956 GSPSETHADRS(gsp, GSP_MODE_ADRS); 957 gsp->data &= ~GMODE_FLUSH; 958 959 GSPSETHADRS(gsp, PUT_HI_PTR_ADRS); 960 put_hi = gsp->data << 16; 961 962 GSPSETHADRS(gsp, PUT_PTR_ADRS); 963 put = gsp->data; 964 new_put = put + (8<<4); 965 966 GSPSETHADRS(gsp, GET_PTR_ADRS); 967 next = gsp->data; 968 969 while (next == new_put) { 970 /* 971 * we should use an intr. here. unfortunately, we already 972 * are called from an interupt and can't use tsleep. 973 * so we do busy waiting, at least for the moment. 974 */ 975 976 GSPSETHADRS(gsp,GET_PTR_ADRS); 977 next = gsp->data; 978 } 979 980 GSPSETHADRS(gsp,put|put_hi); 981 gsp->data = *ptr++ | 8<<4; 982 while ( --n > 0) { 983 gsp->data = *ptr++; 984 } 985 986 GSPSETHADRS(gsp,PUT_PTR_ADRS); 987 gsp->data = new_put; 988 GSPSETHADRS(gsp,oa); 989 gsp->ctrl = oc; 990 991 return; 992 } 993 994 #endif /* NGRF */ 995