1 /* $NetBSD: grf_cl.c,v 1.51 2021/04/27 14:48:28 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Klaus Burkert 5 * Copyright (c) 1995 Ezra Story 6 * Copyright (c) 1995 Kari Mettinen 7 * Copyright (c) 1994 Markus Wild 8 * Copyright (c) 1994 Lutz Vieweg 9 * All rights reserved. 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 Lutz Vieweg. 22 * 4. The name of the author may not be used to endorse or promote products 23 * derived from this software without specific prior written permission 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 26 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 29 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 30 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 34 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35 */ 36 #include "opt_amigacons.h" 37 38 #include <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: grf_cl.c,v 1.51 2021/04/27 14:48:28 thorpej Exp $"); 40 41 #include "grfcl.h" 42 #include "ite.h" 43 #include "wsdisplay.h" 44 #if NGRFCL > 0 45 46 /* 47 * Graphics routines for Cirrus CL GD 5426 boards, 48 * 49 * This code offers low-level routines to access Cirrus Cl GD 5426 50 * graphics-boards from within NetBSD for the Amiga. 51 * No warranties for any kind of function at all - this 52 * code may crash your hardware and scratch your harddisk. Use at your 53 * own risk. Freely distributable. 54 * 55 * Modified for Cirrus CL GD 5426 from 56 * Lutz Vieweg's retina driver by Kari Mettinen 08/94 57 * Contributions by Ill, ScottE, MiL 58 * Extensively hacked and rewritten by Ezra Story (Ezy) 01/95 59 * Picasso/040 patches (wee!) by crest 01/96 60 * 61 * PicassoIV support bz Klaus "crest" Burkert. 62 * Fixed interlace and doublescan, added clockdoubling and 63 * HiColor&TrueColor suuport by crest 01/97 64 * 65 * Thanks to Village Tronic Marketing Gmbh for providing me with 66 * a Picasso-II board. 67 * Thanks for Integrated Electronics Oy Ab for providing me with 68 * Cirrus CL GD 542x family documentation. 69 * 70 * TODO: 71 * Mouse support (almost there! :-)) 72 * Blitter support 73 * 74 */ 75 76 #include <sys/param.h> 77 #include <sys/systm.h> 78 #include <sys/errno.h> 79 #include <sys/ioctl.h> 80 #include <sys/device.h> 81 #include <sys/malloc.h> 82 83 #include <machine/cpu.h> 84 #include <dev/cons.h> 85 #if NWSDISPLAY > 0 86 #include <dev/wscons/wsconsio.h> 87 #include <dev/wscons/wsdisplayvar.h> 88 #include <dev/rasops/rasops.h> 89 #include <dev/wscons/wsdisplay_vconsvar.h> 90 #endif 91 #include <amiga/dev/itevar.h> 92 #include <amiga/amiga/device.h> 93 #include <amiga/dev/grfioctl.h> 94 #include <amiga/dev/grfvar.h> 95 #include <amiga/dev/grf_clreg.h> 96 #include <amiga/dev/zbusvar.h> 97 98 int cl_mondefok(struct grfvideo_mode *); 99 void cl_boardinit(struct grf_softc *); 100 static void cl_CompFQ(u_int, u_char *, u_char *, u_char *); 101 int cl_getvmode(struct grf_softc *, struct grfvideo_mode *); 102 int cl_setvmode(struct grf_softc *, unsigned int); 103 int cl_toggle(struct grf_softc *, unsigned short); 104 int cl_getcmap(struct grf_softc *, struct grf_colormap *); 105 int cl_putcmap(struct grf_softc *, struct grf_colormap *); 106 #ifndef CL5426CONSOLE 107 void cl_off(struct grf_softc *); 108 #endif 109 void cl_inittextmode(struct grf_softc *); 110 int cl_ioctl(register struct grf_softc *, u_long, void *); 111 int cl_getmousepos(struct grf_softc *, struct grf_position *); 112 int cl_setmousepos(struct grf_softc *, struct grf_position *); 113 static int cl_setspriteinfo(struct grf_softc *, struct grf_spriteinfo *); 114 int cl_getspriteinfo(struct grf_softc *, struct grf_spriteinfo *); 115 static int cl_getspritemax(struct grf_softc *, struct grf_position *); 116 int cl_blank(struct grf_softc *, int); 117 int cl_isblank(struct grf_softc *); 118 int cl_setmonitor(struct grf_softc *, struct grfvideo_mode *); 119 void cl_writesprpos(volatile char *, short, short); 120 void writeshifted(volatile char *, signed char, signed char); 121 122 static void RegWakeup(volatile void *); 123 static void RegOnpass(volatile void *); 124 static void RegOffpass(volatile void *); 125 126 void grfclattach(device_t, device_t, void *); 127 int grfclprint(void *, const char *); 128 int grfclmatch(device_t, cfdata_t, void *); 129 void cl_memset(unsigned char *, unsigned char, int); 130 131 #if NWSDISPLAY > 0 132 /* wsdisplay acessops, emulops */ 133 static int cl_wsioctl(void *, void *, u_long, void *, int, struct lwp *); 134 static int cl_get_fbinfo(struct grf_softc *, struct wsdisplayio_fbinfo *); 135 136 static void cl_wscursor(void *, int, int, int); 137 static void cl_wsputchar(void *, int, int, u_int, long); 138 static void cl_wscopycols(void *, int, int, int, int); 139 static void cl_wserasecols(void *, int, int, int, long); 140 static void cl_wscopyrows(void *, int, int, int); 141 static void cl_wseraserows(void *, int, int, long); 142 static int cl_wsallocattr(void *, int, int, int, long *); 143 static int cl_wsmapchar(void *, int, unsigned int *); 144 #endif /* NWSDISPLAY > 0 */ 145 146 /* Graphics display definitions. 147 * These are filled by 'grfconfig' using GRFIOCSETMON. 148 */ 149 #define monitor_def_max 24 150 static struct grfvideo_mode monitor_def[24] = { 151 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, 152 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, 153 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0} 154 }; 155 static struct grfvideo_mode *monitor_current = &monitor_def[0]; 156 157 /* Patchable maximum pixel clock */ 158 unsigned long cl_maxpixelclock = 86000000; 159 160 /* Console display definition. 161 * Default hardcoded text mode. This grf_cl is set up to 162 * use one text mode only, and this is it. You may use 163 * grfconfig to change the mode after boot. 164 */ 165 /* Console font */ 166 #ifdef KFONT_8X11 167 #define CIRRUSFONT kernel_font_8x11 168 #define CIRRUSFONTY 11 169 #else 170 #define CIRRUSFONT kernel_font_8x8 171 #define CIRRUSFONTY 8 172 #endif 173 extern unsigned char CIRRUSFONT[]; 174 175 struct grfcltext_mode clconsole_mode = { 176 {255, "", 25000000, 640, 480, 4, 640/8, 680/8, 768/8, 800/8, 177 481, 490, 498, 522, 0}, 178 8, CIRRUSFONTY, 80, 480 / CIRRUSFONTY, CIRRUSFONT, 32, 255 179 }; 180 /* Console colors */ 181 unsigned char clconscolors[3][3] = { /* background, foreground, hilite */ 182 {0, 0x40, 0x50}, {152, 152, 152}, {255, 255, 255} 183 }; 184 185 int cltype = 0; /* Picasso, Spectrum or Piccolo */ 186 int cl_64bit = 0; /* PiccoloSD64 or PicassoIV */ 187 unsigned char cl_pass_toggle; /* passthru status tracker */ 188 static int cl_blanked; /* true when video is currently blanked out */ 189 190 /* 191 * because all 542x-boards have 2 configdev entries, one for 192 * framebuffer mem and the other for regs, we have to hold onto 193 * the pointers globally until we match on both. This and 'cltype' 194 * are the primary obsticles to multiple board support, but if you 195 * have multiple boards you have bigger problems than grf_cl. 196 */ 197 static void *cl_fbaddr = 0; /* framebuffer */ 198 static void *cl_regaddr = 0; /* registers */ 199 static int cl_fbsize; /* framebuffer size */ 200 static int cl_fbautosize; /* framebuffer autoconfig size */ 201 202 203 /* 204 * current sprite info, if you add support for multiple boards 205 * make this an array or something 206 */ 207 struct grf_spriteinfo cl_cursprite; 208 209 /* sprite bitmaps in kernel stack, you'll need to arrayize these too if 210 * you add multiple board support 211 */ 212 static unsigned char cl_imageptr[8 * 64], cl_maskptr[8 * 64]; 213 static unsigned char cl_sprred[2], cl_sprgreen[2], cl_sprblue[2]; 214 215 #if NWSDISPLAY > 0 216 static struct wsdisplay_accessops cl_accessops = { 217 .ioctl = cl_wsioctl, 218 .mmap = grf_wsmmap 219 }; 220 221 static struct wsdisplay_emulops cl_textops = { 222 .cursor = cl_wscursor, 223 .mapchar = cl_wsmapchar, 224 .putchar = cl_wsputchar, 225 .copycols = cl_wscopycols, 226 .erasecols = cl_wserasecols, 227 .copyrows = cl_wscopyrows, 228 .eraserows = cl_wseraserows, 229 .allocattr = cl_wsallocattr 230 }; 231 232 static struct wsscreen_descr cl_defaultscreen = { 233 .name = "default", 234 .textops = &cl_textops, 235 .fontwidth = 8, 236 .fontheight = CIRRUSFONTY, 237 .capabilities = WSSCREEN_HILIT | WSSCREEN_BLINK | 238 WSSCREEN_REVERSE | WSSCREEN_UNDERLINE 239 }; 240 241 static const struct wsscreen_descr *cl_screens[] = { 242 &cl_defaultscreen, 243 }; 244 245 static struct wsscreen_list cl_screenlist = { 246 sizeof(cl_screens) / sizeof(struct wsscreen_descr *), cl_screens 247 }; 248 #endif /* NWSDISPLAY > 0 */ 249 250 /* standard driver stuff */ 251 CFATTACH_DECL_NEW(grfcl, sizeof(struct grf_softc), 252 grfclmatch, grfclattach, NULL, NULL); 253 254 static struct cfdata *cfdata; 255 256 int 257 grfclmatch(device_t parent, cfdata_t cf, void *aux) 258 { 259 struct zbus_args *zap; 260 static int regprod, fbprod; 261 int error; 262 263 zap = aux; 264 265 #ifndef CL5426CONSOLE 266 if (amiga_realconfig == 0) 267 return (0); 268 #endif 269 270 /* Grab the first board we encounter as the preferred one. This will 271 * allow one board to work in a multiple 5426 board system, but not 272 * multiple boards at the same time. */ 273 if (cltype == 0) { 274 switch (zap->manid) { 275 case PICASSO: 276 switch (zap->prodid) { 277 case 11: 278 case 12: 279 regprod = 12; 280 fbprod = 11; 281 error = 0; 282 break; 283 case 22: 284 error = 0; 285 break; 286 case 21: 287 case 23: 288 regprod = 23; 289 fbprod = 21; 290 cl_64bit = 1; 291 error = 0; 292 break; 293 case 24: 294 regprod = 24; 295 fbprod = 24; 296 cl_64bit = 1; 297 error = 0; 298 break; 299 default: 300 error = 1; 301 break; 302 } 303 if (error == 1) 304 return (0); 305 else 306 break; 307 case SPECTRUM: 308 if (zap->prodid != 2 && zap->prodid != 1) 309 return (0); 310 regprod = 2; 311 fbprod = 1; 312 break; 313 case PICCOLO: 314 switch (zap->prodid) { 315 case 5: 316 case 6: 317 regprod = 6; 318 fbprod = 5; 319 error = 0; 320 break; 321 case 10: 322 case 11: 323 regprod = 11; 324 fbprod = 10; 325 cl_64bit = 1; 326 error = 0; 327 break; 328 default: 329 error = 1; 330 break; 331 } 332 if (error == 1) 333 return (0); 334 else 335 break; 336 default: 337 return (0); 338 } 339 cltype = zap->manid; 340 } else { 341 if (cltype != zap->manid) { 342 return (0); 343 } 344 } 345 346 /* Configure either registers or framebuffer in any order */ 347 if ((cltype == PICASSO) && (cl_64bit == 1)) { 348 switch (zap->prodid) { 349 case 21: 350 cl_fbaddr = zap->va; 351 cl_fbautosize = zap->size; 352 break; 353 case 22: 354 cl_fbautosize += zap->size; 355 break; 356 case 23: 357 cl_regaddr = (void *)((unsigned long)(zap->va) + 0x10000); 358 break; 359 case 24: 360 cl_regaddr = (void *)((unsigned long)(zap->va) + 0x600000); 361 /* check for PicassoIV with 64MB config and handle it */ 362 if (zap->size == 0x04000000) { 363 cl_fbaddr = (void *)((unsigned long)(zap->va) + 0x02000000); 364 } else { 365 cl_fbaddr = (void *)((unsigned long)(zap->va) + 0x01000000); 366 } 367 cl_fbautosize = 0x400000; 368 break; 369 default: 370 return (0); 371 } 372 } 373 else { 374 if (zap->prodid == regprod) 375 cl_regaddr = zap->va; 376 else 377 if (zap->prodid == fbprod) { 378 cl_fbaddr = zap->va; 379 cl_fbautosize = zap->size; 380 } else 381 return (0); 382 } 383 384 #ifdef CL5426CONSOLE 385 if (amiga_realconfig == 0) { 386 cfdata = cf; 387 } 388 #endif 389 390 return (1); 391 } 392 393 void 394 grfclattach(device_t parent, device_t self, void *aux) 395 { 396 static struct grf_softc congrf; 397 struct zbus_args *zap; 398 struct grf_softc *gp; 399 struct device temp; 400 static char attachflag = 0; 401 402 zap = aux; 403 404 printf("\n"); 405 406 /* make sure both halves have matched */ 407 if (!cl_regaddr || !cl_fbaddr) 408 return; 409 410 /* do all that messy console/grf stuff */ 411 if (self == NULL) { 412 gp = &congrf; 413 gp->g_device = &temp; 414 temp.dv_private = gp; 415 } else { 416 gp = device_private(self); 417 gp->g_device = self; 418 } 419 420 if (self != NULL && congrf.g_regkva != 0) { 421 /* 422 * inited earlier, just copy (not device struct) 423 */ 424 memcpy(&gp->g_display, &congrf.g_display, 425 (char *) &gp[1] - (char *) &gp->g_display); 426 } else { 427 gp->g_regkva = (volatile void *) cl_regaddr; 428 gp->g_fbkva = (volatile void *) cl_fbaddr; 429 430 gp->g_unit = GRF_CL5426_UNIT; 431 gp->g_mode = cl_mode; 432 #if NITE > 0 433 gp->g_conpri = grfcl_cnprobe(); 434 #endif 435 gp->g_flags = GF_ALIVE; 436 437 /* wakeup the board */ 438 cl_boardinit(gp); 439 440 #ifdef CL5426CONSOLE 441 #if NWSDISPLAY > 0 442 gp->g_accessops = &cl_accessops; 443 gp->g_emulops = &cl_textops; 444 gp->g_defaultscr = &cl_defaultscreen; 445 gp->g_scrlist = &cl_screenlist; 446 #else 447 #if NITE > 0 448 grfcl_iteinit(gp); 449 #endif 450 #endif /* NWSDISPLAY > 0 */ 451 (void) cl_load_mon(gp, &clconsole_mode); 452 #endif 453 } 454 455 /* 456 * attach grf (once) 457 */ 458 if (amiga_config_found(cfdata, gp->g_device, gp, grfclprint, 459 CFARG_EOL)) { 460 attachflag = 1; 461 printf("grfcl: %dMB ", cl_fbsize / 0x100000); 462 switch (cltype) { 463 case PICASSO: 464 if (cl_64bit == 1) { 465 printf("Picasso IV"); 466 /* 135MHz will be supported if we 467 * have a palette doubling mode. 468 */ 469 cl_maxpixelclock = 86000000; 470 } 471 else { 472 printf("Picasso II"); 473 474 /* check for PicassoII+ (crest) */ 475 if(zap->serno == 0x00100000) 476 printf("+"); 477 478 /* determine used Gfx/chipset (crest) */ 479 vgaw(gp->g_regkva, CRT_ADDRESS, 0x27); /* Chip ID */ 480 switch(vgar(gp->g_regkva, CRT_ADDRESS_R)>>2) { 481 case 0x24: 482 printf(" (with CL-GD5426)"); 483 break; 484 case 0x26: 485 printf(" (with CL-GD5428)"); 486 break; 487 case 0x27: 488 printf(" (with CL-GD5429)"); 489 break; 490 } 491 cl_maxpixelclock = 86000000; 492 } 493 break; 494 case SPECTRUM: 495 printf("Spectrum"); 496 cl_maxpixelclock = 90000000; 497 break; 498 case PICCOLO: 499 if (cl_64bit == 1) { 500 printf("Piccolo SD64"); 501 /* 110MHz will be supported if we 502 * have a palette doubling mode. 503 */ 504 cl_maxpixelclock = 90000000; 505 } else { 506 printf("Piccolo"); 507 cl_maxpixelclock = 90000000; 508 } 509 break; 510 } 511 printf(" being used\n"); 512 #ifdef CL_OVERCLOCK 513 cl_maxpixelclock = 115000000; 514 #endif 515 } else { 516 if (!attachflag) 517 printf("grfcl unattached!!\n"); 518 } 519 } 520 521 int 522 grfclprint(void *aux, const char *pnp) 523 { 524 if (pnp) 525 aprint_normal("ite at %s: ", pnp); 526 return (UNCONF); 527 } 528 529 void 530 cl_boardinit(struct grf_softc *gp) 531 { 532 volatile unsigned char *ba = gp->g_regkva; 533 int x; 534 535 if ((cltype == PICASSO) && (cl_64bit == 1)) { /* PicassoIV */ 536 WCrt(ba, 0x51, 0x00); /* disable capture (FlickerFixer) */ 537 delay(200000); /* wait some time (two frames as of now) */ 538 WGfx(ba, 0x2f, 0x00); /* get Blitter into 542x */ 539 WGfx(ba, GCT_ID_RESERVED, 0x00); /* compatibility mode */ 540 WGfx(ba, GCT_ID_BLT_STAT_START, 0x00); /* or at least, try so... */ 541 cl_fbsize = cl_fbautosize; 542 } else { 543 544 /* wakeup board and flip passthru OFF */ 545 RegWakeup(ba); 546 RegOnpass(ba); 547 548 vgaw(ba, 0x46e8, 0x16); 549 vgaw(ba, 0x102, 1); 550 vgaw(ba, 0x46e8, 0x0e); 551 if (cl_64bit != 1) 552 vgaw(ba, 0x3c3, 1); 553 554 cl_fbsize = cl_fbautosize; 555 556 /* setup initial unchanging parameters */ 557 558 cl_blanked = 1; 559 WSeq(ba, SEQ_ID_CLOCKING_MODE, 0x21); /* 8 dot - display off */ 560 vgaw(ba, GREG_MISC_OUTPUT_W, 0xed); /* mem disable */ 561 562 WGfx(ba, GCT_ID_OFFSET_1, 0xec); /* magic cookie */ 563 WSeq(ba, SEQ_ID_UNLOCK_EXT, 0x12); /* yum! cookies! */ 564 565 if (cl_64bit == 1) { 566 WSeq(ba, SEQ_ID_CONF_RBACK, 0x00); 567 WSeq(ba, SEQ_ID_DRAM_CNTL, (cl_fbsize / 0x100000 == 2) ? 0x38 : 0xb8); 568 } else { 569 WSeq(ba, SEQ_ID_DRAM_CNTL, 0xb0); 570 } 571 WSeq(ba, SEQ_ID_RESET, 0x03); 572 WSeq(ba, SEQ_ID_MAP_MASK, 0xff); 573 WSeq(ba, SEQ_ID_CHAR_MAP_SELECT, 0x00); 574 WSeq(ba, SEQ_ID_MEMORY_MODE, 0x0e); /* a or 6? */ 575 WSeq(ba, SEQ_ID_EXT_SEQ_MODE, (cltype == PICASSO) ? 0x21 : 0x81); 576 WSeq(ba, SEQ_ID_EEPROM_CNTL, 0x00); 577 if (cl_64bit == 1) 578 WSeq(ba, SEQ_ID_PERF_TUNE, 0x5a); 579 else 580 WSeq(ba, SEQ_ID_PERF_TUNE, 0x0a); /* mouse 0a fa */ 581 WSeq(ba, SEQ_ID_SIG_CNTL, 0x02); 582 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x04); 583 584 if (cl_64bit == 1) 585 WSeq(ba, SEQ_ID_MCLK_SELECT, 0x1c); 586 else 587 WSeq(ba, SEQ_ID_MCLK_SELECT, 0x22); 588 589 WCrt(ba, CRT_ID_PRESET_ROW_SCAN, 0x00); 590 WCrt(ba, CRT_ID_CURSOR_START, 0x00); 591 WCrt(ba, CRT_ID_CURSOR_END, 0x08); 592 WCrt(ba, CRT_ID_START_ADDR_HIGH, 0x00); 593 WCrt(ba, CRT_ID_START_ADDR_LOW, 0x00); 594 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, 0x00); 595 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, 0x00); 596 597 WCrt(ba, CRT_ID_UNDERLINE_LOC, 0x07); 598 WCrt(ba, CRT_ID_MODE_CONTROL, 0xe3); 599 WCrt(ba, CRT_ID_LINE_COMPARE, 0xff); /* ff */ 600 WCrt(ba, CRT_ID_EXT_DISP_CNTL, 0x22); 601 if (cl_64bit == 1) { 602 WCrt(ba, CRT_ID_SYNC_ADJ_GENLOCK, 0x00); 603 WCrt(ba, CRT_ID_OVERLAY_EXT_CTRL_REG, 0x40); 604 } 605 WSeq(ba, SEQ_ID_CURSOR_STORE, 0x3c); /* mouse 0x00 */ 606 607 WGfx(ba, GCT_ID_SET_RESET, 0x00); 608 WGfx(ba, GCT_ID_ENABLE_SET_RESET, 0x00); 609 WGfx(ba, GCT_ID_DATA_ROTATE, 0x00); 610 WGfx(ba, GCT_ID_READ_MAP_SELECT, 0x00); 611 WGfx(ba, GCT_ID_GRAPHICS_MODE, 0x00); 612 WGfx(ba, GCT_ID_MISC, 0x01); 613 WGfx(ba, GCT_ID_COLOR_XCARE, 0x0f); 614 WGfx(ba, GCT_ID_BITMASK, 0xff); 615 WGfx(ba, GCT_ID_MODE_EXT, 0x28); 616 617 for (x = 0; x < 0x10; x++) 618 WAttr(ba, x, x); 619 WAttr(ba, ACT_ID_ATTR_MODE_CNTL, 0x01); 620 WAttr(ba, ACT_ID_OVERSCAN_COLOR, 0x00); 621 WAttr(ba, ACT_ID_COLOR_PLANE_ENA, 0x0f); 622 WAttr(ba, ACT_ID_HOR_PEL_PANNING, 0x00); 623 WAttr(ba, ACT_ID_COLOR_SELECT, 0x00); 624 WAttr(ba, 0x34, 0x00); 625 626 vgaw(ba, VDAC_MASK, 0xff); 627 vgaw(ba, GREG_MISC_OUTPUT_W, 0xef); 628 629 WGfx(ba, GCT_ID_BLT_STAT_START, 0x04); 630 WGfx(ba, GCT_ID_BLT_STAT_START, 0x00); 631 } 632 633 /* colors initially set to greyscale */ 634 vgaw(ba, VDAC_ADDRESS_W, 0); 635 for (x = 255; x >= 0; x--) { 636 vgaw(ba, VDAC_DATA, x); 637 vgaw(ba, VDAC_DATA, x); 638 vgaw(ba, VDAC_DATA, x); 639 } 640 /* set sprite bitmap pointers */ 641 cl_cursprite.image = cl_imageptr; 642 cl_cursprite.mask = cl_maskptr; 643 cl_cursprite.cmap.red = cl_sprred; 644 cl_cursprite.cmap.green = cl_sprgreen; 645 cl_cursprite.cmap.blue = cl_sprblue; 646 647 if (cl_64bit == 0) { 648 649 /* check for 1MB or 2MB board (crest) */ 650 volatile unsigned long *cl_fbtestaddr; 651 cl_fbtestaddr = (volatile unsigned long *)gp->g_fbkva; 652 653 WGfx(ba, GCT_ID_OFFSET_0, 0x40); 654 *cl_fbtestaddr = 0x12345678; 655 656 if (*cl_fbtestaddr != 0x12345678) { 657 WSeq(ba, SEQ_ID_DRAM_CNTL, 0x30); 658 cl_fbsize = 0x100000; 659 } 660 else 661 { 662 cl_fbsize = 0x200000; 663 } 664 } 665 WGfx(ba, GCT_ID_OFFSET_0, 0x00); 666 } 667 668 669 int 670 cl_getvmode(struct grf_softc *gp, struct grfvideo_mode *vm) 671 { 672 struct grfvideo_mode *gv; 673 674 #ifdef CL5426CONSOLE 675 /* Handle grabbing console mode */ 676 if (vm->mode_num == 255) { 677 memcpy(vm, &clconsole_mode, sizeof(struct grfvideo_mode)); 678 /* XXX so grfconfig can tell us the correct text dimensions. */ 679 vm->depth = clconsole_mode.fy; 680 } else 681 #endif 682 { 683 if (vm->mode_num == 0) 684 vm->mode_num = (monitor_current - monitor_def) + 1; 685 if (vm->mode_num < 1 || vm->mode_num > monitor_def_max) 686 return (EINVAL); 687 gv = monitor_def + (vm->mode_num - 1); 688 if (gv->mode_num == 0) 689 return (EINVAL); 690 691 memcpy(vm, gv, sizeof(struct grfvideo_mode)); 692 } 693 694 /* adjust internal values to pixel values */ 695 696 vm->hblank_start *= 8; 697 vm->hsync_start *= 8; 698 vm->hsync_stop *= 8; 699 vm->htotal *= 8; 700 701 return (0); 702 } 703 704 705 int 706 cl_setvmode(struct grf_softc *gp, unsigned mode) 707 { 708 if (!mode || (mode > monitor_def_max) || 709 monitor_def[mode - 1].mode_num == 0) 710 return (EINVAL); 711 712 monitor_current = monitor_def + (mode - 1); 713 714 return (0); 715 } 716 717 #ifndef CL5426CONSOLE 718 void 719 cl_off(struct grf_softc *gp) 720 { 721 char *ba = gp->g_regkva; 722 723 /* 724 * we'll put the pass-through on for cc ite and set Full Bandwidth bit 725 * on just in case it didn't work...but then it doesn't matter does 726 * it? =) 727 */ 728 RegOnpass(ba); 729 vgaw(ba, SEQ_ADDRESS, SEQ_ID_CLOCKING_MODE); 730 vgaw(ba, SEQ_ADDRESS_W, vgar(ba, SEQ_ADDRESS_W) | 0x20); 731 cl_blanked = 1; 732 } 733 #endif 734 735 int 736 cl_blank(struct grf_softc *gp, int on) 737 { 738 739 WSeq(gp->g_regkva, SEQ_ID_CLOCKING_MODE, on ? 0x01 : 0x21); 740 cl_blanked = !on; 741 return 0; 742 } 743 744 int 745 cl_isblank(struct grf_softc *gp) 746 { 747 748 return cl_blanked; 749 } 750 751 /* 752 * Change the mode of the display. 753 * Return a UNIX error number or 0 for success. 754 */ 755 int 756 cl_mode(register struct grf_softc *gp, u_long cmd, void *arg, u_long a2, int a3) 757 { 758 int error; 759 760 switch (cmd) { 761 case GM_GRFON: 762 error = cl_load_mon(gp, 763 (struct grfcltext_mode *) monitor_current) ? 0 : EINVAL; 764 return (error); 765 766 case GM_GRFOFF: 767 #ifndef CL5426CONSOLE 768 cl_off(gp); 769 #else 770 cl_load_mon(gp, &clconsole_mode); 771 #endif 772 return (0); 773 774 case GM_GRFCONFIG: 775 return (0); 776 777 case GM_GRFGETVMODE: 778 return (cl_getvmode(gp, (struct grfvideo_mode *) arg)); 779 780 case GM_GRFSETVMODE: 781 error = cl_setvmode(gp, *(unsigned *) arg); 782 if (!error && (gp->g_flags & GF_GRFON)) 783 cl_load_mon(gp, 784 (struct grfcltext_mode *) monitor_current); 785 return (error); 786 787 case GM_GRFGETNUMVM: 788 *(int *) arg = monitor_def_max; 789 return (0); 790 791 case GM_GRFIOCTL: 792 return (cl_ioctl(gp, a2, arg)); 793 794 default: 795 break; 796 } 797 798 return (EPASSTHROUGH); 799 } 800 801 int 802 cl_ioctl(register struct grf_softc *gp, u_long cmd, void *data) 803 { 804 switch (cmd) { 805 case GRFIOCGSPRITEPOS: 806 return (cl_getmousepos(gp, (struct grf_position *) data)); 807 808 case GRFIOCSSPRITEPOS: 809 return (cl_setmousepos(gp, (struct grf_position *) data)); 810 811 case GRFIOCSSPRITEINF: 812 return (cl_setspriteinfo(gp, (struct grf_spriteinfo *) data)); 813 814 case GRFIOCGSPRITEINF: 815 return (cl_getspriteinfo(gp, (struct grf_spriteinfo *) data)); 816 817 case GRFIOCGSPRITEMAX: 818 return (cl_getspritemax(gp, (struct grf_position *) data)); 819 820 case GRFIOCGETCMAP: 821 return (cl_getcmap(gp, (struct grf_colormap *) data)); 822 823 case GRFIOCPUTCMAP: 824 return (cl_putcmap(gp, (struct grf_colormap *) data)); 825 826 case GRFIOCBITBLT: 827 break; 828 829 case GRFTOGGLE: 830 return (cl_toggle(gp, 0)); 831 832 case GRFIOCSETMON: 833 return (cl_setmonitor(gp, (struct grfvideo_mode *) data)); 834 835 case GRFIOCBLANK: 836 return (cl_blank(gp, *(int *)data)); 837 838 } 839 return (EPASSTHROUGH); 840 } 841 842 int 843 cl_getmousepos(struct grf_softc *gp, struct grf_position *data) 844 { 845 data->x = cl_cursprite.pos.x; 846 data->y = cl_cursprite.pos.y; 847 return (0); 848 } 849 850 void 851 cl_writesprpos(volatile char *ba, short x, short y) 852 { 853 /* we want to use a 16-bit write to 3c4 so no macros used */ 854 volatile unsigned char *cwp; 855 volatile unsigned short *wp; 856 857 cwp = ba + 0x3c4; 858 wp = (volatile unsigned short *)cwp; 859 860 /* 861 * don't ask me why, but apparently you can't do a 16-bit write with 862 * x-position like with y-position below (dagge) 863 */ 864 cwp[0] = 0x10 | ((x << 5) & 0xff); 865 cwp[1] = (x >> 3) & 0xff; 866 867 *wp = 0x1100 | ((y & 7) << 13) | ((y >> 3) & 0xff); 868 } 869 870 void 871 writeshifted(volatile char *to, signed char shiftx, signed char shifty) 872 { 873 int y; 874 unsigned long long *tptr, *iptr, *mptr, line; 875 876 tptr = (unsigned long long *) __UNVOLATILE(to); 877 iptr = (unsigned long long *) cl_cursprite.image; 878 mptr = (unsigned long long *) cl_cursprite.mask; 879 880 shiftx = shiftx < 0 ? 0 : shiftx; 881 shifty = shifty < 0 ? 0 : shifty; 882 883 /* start reading shifty lines down, and 884 * shift each line in by shiftx 885 */ 886 for (y = shifty; y < 64; y++) { 887 888 /* image */ 889 line = iptr[y]; 890 *tptr++ = line << shiftx; 891 892 /* mask */ 893 line = mptr[y]; 894 *tptr++ = line << shiftx; 895 } 896 897 /* clear the remainder */ 898 for (y = shifty; y > 0; y--) { 899 *tptr++ = 0; 900 *tptr++ = 0; 901 } 902 } 903 904 int 905 cl_setmousepos(struct grf_softc *gp, struct grf_position *data) 906 { 907 volatile char *ba = gp->g_regkva; 908 short rx, ry; 909 #ifdef CL_SHIFTSPRITE 910 volatile char *fb = gp->g_fbkva; 911 volatile char *sprite = fb + (cl_fbsize - 1024); 912 #endif 913 914 /* no movement */ 915 if (cl_cursprite.pos.x == data->x && cl_cursprite.pos.y == data->y) 916 return (0); 917 918 /* current and previous real coordinates */ 919 rx = data->x - cl_cursprite.hot.x; 920 ry = data->y - cl_cursprite.hot.y; 921 922 /* 923 * if we are/were on an edge, create (un)shifted bitmap -- 924 * ripped out optimization (not extremely worthwhile, 925 * and kind of buggy anyhow). 926 */ 927 #ifdef CL_SHIFTSPRITE 928 if (rx < 0 || ry < 0 || prx < 0 || pry < 0) { 929 writeshifted(sprite, rx < 0 ? -rx : 0, ry < 0 ? -ry : 0); 930 } 931 #endif 932 933 /* do movement, save position */ 934 cl_writesprpos(ba, rx < 0 ? 0 : rx, ry < 0 ? 0 : ry); 935 cl_cursprite.pos.x = data->x; 936 cl_cursprite.pos.y = data->y; 937 938 return (0); 939 } 940 941 int 942 cl_getspriteinfo(struct grf_softc *gp, struct grf_spriteinfo *data) 943 { 944 copyout(&cl_cursprite, data, sizeof(struct grf_spriteinfo)); 945 copyout(cl_cursprite.image, data->image, 64 * 8); 946 copyout(cl_cursprite.mask, data->mask, 64 * 8); 947 return (0); 948 } 949 950 static int 951 cl_setspriteinfo(struct grf_softc *gp, struct grf_spriteinfo *data) 952 { 953 volatile unsigned char *ba = gp->g_regkva, *fb = gp->g_fbkva; 954 volatile char *sprite = fb + (cl_fbsize - 1024); 955 956 if (data->set & GRFSPRSET_SHAPE) { 957 958 unsigned short dsx, dsy, i; 959 unsigned long *di, *dm, *si, *sm; 960 unsigned long ssi[128], ssm[128]; 961 struct grf_position gpos; 962 963 964 /* check for a too large sprite (no clipping!) */ 965 dsy = data->size.y; 966 dsx = data->size.x; 967 if (dsy > 64 || dsx > 64) 968 return(EINVAL); 969 970 /* prepare destination */ 971 di = (unsigned long *)cl_cursprite.image; 972 dm = (unsigned long *)cl_cursprite.mask; 973 cl_memset((unsigned char *)di, 0, 8*64); 974 cl_memset((unsigned char *)dm, 0, 8*64); 975 976 /* two alternatives: 64 across, then it's 977 * the same format we use, just copy. Otherwise, 978 * copy into tmp buf and recopy skipping the 979 * unused 32 bits. 980 */ 981 if ((dsx - 1) / 32) { 982 copyin(data->image, di, 8 * dsy); 983 copyin(data->mask, dm, 8 * dsy); 984 } else { 985 si = ssi; sm = ssm; 986 copyin(data->image, si, 4 * dsy); 987 copyin(data->mask, sm, 4 * dsy); 988 for (i = 0; i < dsy; i++) { 989 *di = *si++; 990 *dm = *sm++; 991 di += 2; 992 dm += 2; 993 } 994 } 995 996 /* set size */ 997 cl_cursprite.size.x = data->size.x; 998 cl_cursprite.size.y = data->size.y; 999 1000 /* forcably load into board */ 1001 gpos.x = cl_cursprite.pos.x; 1002 gpos.y = cl_cursprite.pos.y; 1003 cl_cursprite.pos.x = -1; 1004 cl_cursprite.pos.y = -1; 1005 writeshifted(sprite, 0, 0); 1006 cl_setmousepos(gp, &gpos); 1007 1008 } 1009 if (data->set & GRFSPRSET_HOT) { 1010 1011 cl_cursprite.hot = data->hot; 1012 1013 } 1014 if (data->set & GRFSPRSET_CMAP) { 1015 1016 u_char red[2], green[2], blue[2]; 1017 1018 copyin(data->cmap.red, red, 2); 1019 copyin(data->cmap.green, green, 2); 1020 copyin(data->cmap.blue, blue, 2); 1021 memcpy(cl_cursprite.cmap.red, red, 2); 1022 memcpy(cl_cursprite.cmap.green, green, 2); 1023 memcpy(cl_cursprite.cmap.blue, blue, 2); 1024 1025 /* enable and load colors 256 & 257 */ 1026 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x06); 1027 1028 /* 256 */ 1029 vgaw(ba, VDAC_ADDRESS_W, 0x00); 1030 if (cltype == PICASSO) { 1031 vgaw(ba, VDAC_DATA, (u_char) (red[0] >> 2)); 1032 vgaw(ba, VDAC_DATA, (u_char) (green[0] >> 2)); 1033 vgaw(ba, VDAC_DATA, (u_char) (blue[0] >> 2)); 1034 } else { 1035 vgaw(ba, VDAC_DATA, (u_char) (blue[0] >> 2)); 1036 vgaw(ba, VDAC_DATA, (u_char) (green[0] >> 2)); 1037 vgaw(ba, VDAC_DATA, (u_char) (red[0] >> 2)); 1038 } 1039 1040 /* 257 */ 1041 vgaw(ba, VDAC_ADDRESS_W, 0x0f); 1042 if (cltype == PICASSO) { 1043 vgaw(ba, VDAC_DATA, (u_char) (red[1] >> 2)); 1044 vgaw(ba, VDAC_DATA, (u_char) (green[1] >> 2)); 1045 vgaw(ba, VDAC_DATA, (u_char) (blue[1] >> 2)); 1046 } else { 1047 vgaw(ba, VDAC_DATA, (u_char) (blue[1] >> 2)); 1048 vgaw(ba, VDAC_DATA, (u_char) (green[1] >> 2)); 1049 vgaw(ba, VDAC_DATA, (u_char) (red[1] >> 2)); 1050 } 1051 1052 /* turn on/off sprite */ 1053 if (cl_cursprite.enable) { 1054 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x05); 1055 } else { 1056 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x04); 1057 } 1058 1059 } 1060 if (data->set & GRFSPRSET_ENABLE) { 1061 1062 if (data->enable == 1) { 1063 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x05); 1064 cl_cursprite.enable = 1; 1065 } else { 1066 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x04); 1067 cl_cursprite.enable = 0; 1068 } 1069 1070 } 1071 if (data->set & GRFSPRSET_POS) { 1072 1073 /* force placement */ 1074 cl_cursprite.pos.x = -1; 1075 cl_cursprite.pos.y = -1; 1076 1077 /* do it */ 1078 cl_setmousepos(gp, &data->pos); 1079 1080 } 1081 return (0); 1082 } 1083 1084 static int 1085 cl_getspritemax(struct grf_softc *gp, struct grf_position *data) 1086 { 1087 if (gp->g_display.gd_planes == 24) 1088 return (EINVAL); 1089 data->x = 64; 1090 data->y = 64; 1091 return (0); 1092 } 1093 1094 int 1095 cl_setmonitor(struct grf_softc *gp, struct grfvideo_mode *gv) 1096 { 1097 struct grfvideo_mode *md; 1098 1099 if (!cl_mondefok(gv)) 1100 return(EINVAL); 1101 1102 #ifdef CL5426CONSOLE 1103 /* handle interactive setting of console mode */ 1104 if (gv->mode_num == 255) { 1105 memcpy(&clconsole_mode.gv, gv, sizeof(struct grfvideo_mode)); 1106 clconsole_mode.gv.hblank_start /= 8; 1107 clconsole_mode.gv.hsync_start /= 8; 1108 clconsole_mode.gv.hsync_stop /= 8; 1109 clconsole_mode.gv.htotal /= 8; 1110 clconsole_mode.rows = gv->disp_height / clconsole_mode.fy; 1111 clconsole_mode.cols = gv->disp_width / clconsole_mode.fx; 1112 if (!(gp->g_flags & GF_GRFON)) 1113 cl_load_mon(gp, &clconsole_mode); 1114 #if NITE > 0 1115 ite_reinit(gp->g_itedev); 1116 #endif 1117 return (0); 1118 } 1119 #endif 1120 1121 md = monitor_def + (gv->mode_num - 1); 1122 memcpy(md, gv, sizeof(struct grfvideo_mode)); 1123 1124 /* adjust pixel oriented values to internal rep. */ 1125 1126 md->hblank_start /= 8; 1127 md->hsync_start /= 8; 1128 md->hsync_stop /= 8; 1129 md->htotal /= 8; 1130 1131 return (0); 1132 } 1133 1134 int 1135 cl_getcmap(struct grf_softc *gfp, struct grf_colormap *cmap) 1136 { 1137 volatile unsigned char *ba; 1138 u_char red[256], green[256], blue[256], *rp, *gp, *bp; 1139 short x; 1140 int error; 1141 1142 if (cmap->count == 0 || cmap->index >= 256) 1143 return 0; 1144 1145 if (cmap->count > 256 - cmap->index) 1146 cmap->count = 256 - cmap->index; 1147 1148 ba = gfp->g_regkva; 1149 /* first read colors out of the chip, then copyout to userspace */ 1150 vgaw(ba, VDAC_ADDRESS_R, cmap->index); 1151 x = cmap->count - 1; 1152 1153 /* 1154 * Some sort 'o Magic. Spectrum has some changes on the board to speed 1155 * up 15 and 16Bit modes. They can access these modes with easy-to-programm 1156 * rgbrgbrgb instead of rrrgggbbb. Side effect: when in 8Bit mode, rgb 1157 * is swapped to bgr. I wonder if we need to check for 8Bit though, ill 1158 */ 1159 1160 /* 1161 * The source for the above comment is somewhat unknow to me. 1162 * The Spectrum, Piccolo and PiccoloSD64 have the analog Red and Blue 1163 * lines swapped. In 24BPP this provides RGB instead of BGR as it would 1164 * be native to the chipset. This requires special programming for the 1165 * CLUT in 8BPP to compensate and avoid false colors. 1166 * I didn't find any special stuff for 15 and 16BPP though, crest. 1167 */ 1168 1169 switch (cltype) { 1170 case SPECTRUM: 1171 case PICCOLO: 1172 rp = blue + cmap->index; 1173 gp = green + cmap->index; 1174 bp = red + cmap->index; 1175 break; 1176 case PICASSO: 1177 rp = red + cmap->index; 1178 gp = green + cmap->index; 1179 bp = blue + cmap->index; 1180 break; 1181 default: 1182 rp = gp = bp = 0; 1183 break; 1184 } 1185 1186 do { 1187 *rp++ = vgar(ba, VDAC_DATA) << 2; 1188 *gp++ = vgar(ba, VDAC_DATA) << 2; 1189 *bp++ = vgar(ba, VDAC_DATA) << 2; 1190 } while (x-- > 0); 1191 1192 if (!(error = copyout(red + cmap->index, cmap->red, cmap->count)) 1193 && !(error = copyout(green + cmap->index, cmap->green, cmap->count)) 1194 && !(error = copyout(blue + cmap->index, cmap->blue, cmap->count))) 1195 return (0); 1196 1197 return (error); 1198 } 1199 1200 int 1201 cl_putcmap(struct grf_softc *gfp, struct grf_colormap *cmap) 1202 { 1203 volatile unsigned char *ba; 1204 u_char red[256], green[256], blue[256], *rp, *gp, *bp; 1205 short x; 1206 int error; 1207 1208 if (cmap->count == 0 || cmap->index >= 256) 1209 return (0); 1210 1211 if (cmap->count > 256 - cmap->index) 1212 cmap->count = 256 - cmap->index; 1213 1214 /* first copy the colors into kernelspace */ 1215 if (!(error = copyin(cmap->red, red + cmap->index, cmap->count)) 1216 && !(error = copyin(cmap->green, green + cmap->index, cmap->count)) 1217 && !(error = copyin(cmap->blue, blue + cmap->index, cmap->count))) { 1218 ba = gfp->g_regkva; 1219 vgaw(ba, VDAC_ADDRESS_W, cmap->index); 1220 x = cmap->count - 1; 1221 1222 switch (cltype) { 1223 case SPECTRUM: 1224 case PICCOLO: 1225 rp = blue + cmap->index; 1226 gp = green + cmap->index; 1227 bp = red + cmap->index; 1228 break; 1229 case PICASSO: 1230 rp = red + cmap->index; 1231 gp = green + cmap->index; 1232 bp = blue + cmap->index; 1233 break; 1234 default: 1235 rp = gp = bp = 0; 1236 break; 1237 } 1238 1239 do { 1240 vgaw(ba, VDAC_DATA, *rp++ >> 2); 1241 vgaw(ba, VDAC_DATA, *gp++ >> 2); 1242 vgaw(ba, VDAC_DATA, *bp++ >> 2); 1243 } while (x-- > 0); 1244 return (0); 1245 } else 1246 return (error); 1247 } 1248 1249 1250 int 1251 cl_toggle(struct grf_softc *gp, unsigned short wopp) 1252 /* wopp: don't need that one yet, ill */ 1253 { 1254 volatile void *ba; 1255 1256 ba = gp->g_regkva; 1257 1258 if (cl_pass_toggle) { 1259 RegOffpass(ba); 1260 } else { 1261 RegOnpass(ba); 1262 } 1263 return (0); 1264 } 1265 1266 static void 1267 cl_CompFQ(u_int fq, u_char *num, u_char *denom, u_char *clkdoub) 1268 { 1269 #define OSC 14318180 1270 /* OK, here's what we're doing here: 1271 * 1272 * OSC * NUMERATOR 1273 * VCLK = ------------------- Hz 1274 * DENOMINATOR * (1+P) 1275 * 1276 * so we're given VCLK and we should give out some useful 1277 * values.... 1278 * 1279 * NUMERATOR is 7 bits wide 1280 * DENOMINATOR is 5 bits wide with bit P in the same char as bit 0. 1281 * 1282 * We run through all the possible combinations and 1283 * return the values which deviate the least from the chosen frequency. 1284 * 1285 */ 1286 #define OSC 14318180 1287 #define count(n,d,p) ((OSC * n)/(d * (1+p))) 1288 1289 unsigned char n, d, p, minn, mind, minp = 0; 1290 unsigned long err, minerr; 1291 1292 /* 1293 numer = 0x00 - 0x7f 1294 denom = 0x00 - 0x1f (1) 0x20 - 0x3e (even) 1295 */ 1296 1297 /* find lowest error in 6144 iterations. */ 1298 minerr = fq; 1299 minn = 0; 1300 mind = 0; 1301 p = 0; 1302 1303 if ((cl_64bit == 1) && (fq >= 86000000)) 1304 { 1305 for (d = 1; d < 0x20; d++) { 1306 for (n = 1; n < 0x80; n++) { 1307 err = abs(count(n, d, 0) - fq); 1308 if (err < minerr) { 1309 minerr = err; 1310 minn = n; 1311 mind = d; 1312 minp = 1; 1313 } 1314 } 1315 } 1316 *clkdoub = 1; 1317 } 1318 else { 1319 for (d = 1; d < 0x20; d++) { 1320 for (n = 1; n < 0x80; n++) { 1321 err = abs(count(n, d, p) - fq); 1322 if (err < minerr) { 1323 minerr = err; 1324 minn = n; 1325 mind = d; 1326 minp = p; 1327 } 1328 } 1329 if (d == 0x1f && p == 0) { 1330 p = 1; 1331 d = 0x0f; 1332 } 1333 } 1334 *clkdoub = 0; 1335 } 1336 1337 *num = minn; 1338 *denom = (mind << 1) | minp; 1339 if (minerr > 500000) 1340 printf("Warning: CompFQ minimum error = %ld\n", minerr); 1341 return; 1342 } 1343 1344 int 1345 cl_mondefok(struct grfvideo_mode *gv) 1346 { 1347 unsigned long maxpix; 1348 1349 if (gv->mode_num < 1 || gv->mode_num > monitor_def_max) 1350 if (gv->mode_num != 255 || gv->depth != 4) 1351 return(0); 1352 1353 switch (gv->depth) { 1354 case 4: 1355 if (gv->mode_num != 255) 1356 return(0); 1357 case 1: 1358 case 8: 1359 maxpix = cl_maxpixelclock; 1360 if (cl_64bit == 1) 1361 { 1362 if (cltype == PICASSO) /* Picasso IV */ 1363 maxpix = 135000000; 1364 else /* Piccolo SD64 */ 1365 maxpix = 110000000; 1366 } 1367 break; 1368 case 15: 1369 case 16: 1370 if (cl_64bit == 1) 1371 maxpix = 85000000; 1372 else 1373 maxpix = cl_maxpixelclock - (cl_maxpixelclock / 3); 1374 break; 1375 case 24: 1376 if ((cltype == PICASSO) && (cl_64bit == 1)) 1377 maxpix = 85000000; 1378 else 1379 maxpix = cl_maxpixelclock / 3; 1380 break; 1381 case 32: 1382 if ((cltype == PICCOLO) && (cl_64bit == 1)) 1383 maxpix = 50000000; 1384 else 1385 maxpix = 0; 1386 break; 1387 default: 1388 printf("grfcl: Illegal depth in mode %d\n", 1389 (int) gv->mode_num); 1390 return (0); 1391 } 1392 1393 if (gv->pixel_clock > maxpix) { 1394 printf("grfcl: Pixelclock too high in mode %d\n", 1395 (int) gv->mode_num); 1396 return (0); 1397 } 1398 1399 if (gv->disp_flags & GRF_FLAGS_SYNC_ON_GREEN) { 1400 printf("grfcl: sync-on-green is not supported\n"); 1401 return (0); 1402 } 1403 1404 return (1); 1405 } 1406 1407 int 1408 cl_load_mon(struct grf_softc *gp, struct grfcltext_mode *md) 1409 { 1410 struct grfvideo_mode *gv; 1411 struct grfinfo *gi; 1412 volatile void *ba, *fb; 1413 unsigned char num0, denom0, clkdoub; 1414 unsigned short HT, HDE, HBS, HBE, HSS, HSE, VDE, VBS, VBE, VSS, 1415 VSE, VT; 1416 int clkmul, clkmode; 1417 int vmul; 1418 int sr15; 1419 unsigned char hvsync_pulse; 1420 char TEXT; 1421 1422 /* identity */ 1423 gv = &md->gv; 1424 TEXT = (gv->depth == 4); 1425 1426 if (!cl_mondefok(gv)) { 1427 printf("grfcl: Monitor definition not ok\n"); 1428 return (0); 1429 } 1430 1431 ba = gp->g_regkva; 1432 fb = gp->g_fbkva; 1433 1434 /* provide all needed information in grf device-independent locations */ 1435 gp->g_data = (void *) gv; 1436 gi = &gp->g_display; 1437 gi->gd_regaddr = (void *) kvtop(__UNVOLATILE(ba)); 1438 gi->gd_regsize = 64 * 1024; 1439 gi->gd_fbaddr = (void *) kvtop(__UNVOLATILE(fb)); 1440 gi->gd_fbsize = cl_fbsize; 1441 gi->gd_colors = 1 << gv->depth; 1442 gi->gd_planes = gv->depth; 1443 gi->gd_fbwidth = gv->disp_width; 1444 gi->gd_fbheight = gv->disp_height; 1445 gi->gd_fbx = 0; 1446 gi->gd_fby = 0; 1447 if (TEXT) { 1448 gi->gd_dwidth = md->fx * md->cols; 1449 gi->gd_dheight = md->fy * md->rows; 1450 } else { 1451 gi->gd_dwidth = gv->disp_width; 1452 gi->gd_dheight = gv->disp_height; 1453 } 1454 gi->gd_dx = 0; 1455 gi->gd_dy = 0; 1456 1457 /* get display mode parameters */ 1458 1459 HBS = gv->hblank_start; 1460 HSS = gv->hsync_start; 1461 HSE = gv->hsync_stop; 1462 HBE = gv->htotal - 1; 1463 HT = gv->htotal; 1464 VBS = gv->vblank_start; 1465 VSS = gv->vsync_start; 1466 VSE = gv->vsync_stop; 1467 VBE = gv->vtotal - 1; 1468 VT = gv->vtotal; 1469 1470 if (TEXT) 1471 HDE = ((gv->disp_width + md->fx - 1) / md->fx) - 1; 1472 else 1473 HDE = (gv->disp_width + 3) / 8 - 1; /* HBS; */ 1474 VDE = gv->disp_height - 1; 1475 1476 /* adjustments */ 1477 switch (gv->depth) { 1478 case 8: 1479 clkmul = 1; 1480 clkmode = 0x0; 1481 break; 1482 case 15: 1483 case 16: 1484 clkmul = 1; 1485 clkmode = 0x6; 1486 break; 1487 case 24: 1488 if ((cltype == PICASSO) && (cl_64bit == 1)) /* Picasso IV */ 1489 clkmul = 1; 1490 else 1491 clkmul = 3; 1492 clkmode = 0x4; 1493 break; 1494 case 32: 1495 clkmul = 1; 1496 clkmode = 0x8; 1497 break; 1498 default: 1499 clkmul = 1; 1500 clkmode = 0x0; 1501 break; 1502 } 1503 1504 if ((VT > 1023) && (!(gv->disp_flags & GRF_FLAGS_LACE))) { 1505 WCrt(ba, CRT_ID_MODE_CONTROL, 0xe7); 1506 } else 1507 WCrt(ba, CRT_ID_MODE_CONTROL, 0xe3); 1508 1509 vmul = 2; 1510 if ((VT > 1023) || (gv->disp_flags & GRF_FLAGS_LACE)) 1511 vmul = 1; 1512 if (gv->disp_flags & GRF_FLAGS_DBLSCAN) 1513 vmul = 4; 1514 1515 VDE = VDE * vmul / 2; 1516 VBS = VBS * vmul / 2; 1517 VSS = VSS * vmul / 2; 1518 VSE = VSE * vmul / 2; 1519 VBE = VBE * vmul / 2; 1520 VT = VT * vmul / 2; 1521 1522 WSeq(ba, SEQ_ID_MEMORY_MODE, (TEXT || (gv->depth == 1)) ? 0x06 : 0x0e); 1523 if (cl_64bit == 1) { 1524 if (TEXT || (gv->depth == 1)) 1525 sr15 = 0xd0; 1526 else 1527 sr15 = ((cl_fbsize / 0x100000 == 2) ? 0x38 : 0xb8); 1528 WSeq(ba, SEQ_ID_CONF_RBACK, 0x00); 1529 } else { 1530 sr15 = (TEXT || (gv->depth == 1)) ? 0xd0 : 0xb0; 1531 sr15 &= ((cl_fbsize / 0x100000) == 2) ? 0xff : 0x7f; 1532 } 1533 WSeq(ba, SEQ_ID_DRAM_CNTL, sr15); 1534 WGfx(ba, GCT_ID_READ_MAP_SELECT, 0x00); 1535 WSeq(ba, SEQ_ID_MAP_MASK, (gv->depth == 1) ? 0x01 : 0xff); 1536 WSeq(ba, SEQ_ID_CHAR_MAP_SELECT, 0x00); 1537 1538 /* Set clock */ 1539 1540 cl_CompFQ(gv->pixel_clock * clkmul, &num0, &denom0, &clkdoub); 1541 1542 /* Horizontal/Vertical Sync Pulse */ 1543 hvsync_pulse = vgar(ba, GREG_MISC_OUTPUT_R); 1544 if (gv->disp_flags & GRF_FLAGS_PHSYNC) 1545 hvsync_pulse &= ~0x40; 1546 else 1547 hvsync_pulse |= 0x40; 1548 if (gv->disp_flags & GRF_FLAGS_PVSYNC) 1549 hvsync_pulse &= ~0x80; 1550 else 1551 hvsync_pulse |= 0x80; 1552 vgaw(ba, GREG_MISC_OUTPUT_W, hvsync_pulse); 1553 1554 if (clkdoub) { 1555 HDE /= 2; 1556 HBS /= 2; 1557 HSS /= 2; 1558 HSE /= 2; 1559 HBE /= 2; 1560 HT /= 2; 1561 clkmode = 0x6; 1562 } 1563 1564 WSeq(ba, SEQ_ID_VCLK_3_NUM, num0); 1565 WSeq(ba, SEQ_ID_VCLK_3_DENOM, denom0); 1566 1567 /* load display parameters into board */ 1568 1569 WCrt(ba, CRT_ID_HOR_TOTAL, HT); 1570 WCrt(ba, CRT_ID_HOR_DISP_ENA_END, ((HDE >= HBS) ? HBS - 1 : HDE)); 1571 WCrt(ba, CRT_ID_START_HOR_BLANK, HBS); 1572 WCrt(ba, CRT_ID_END_HOR_BLANK, (HBE & 0x1f) | 0x80); /* | 0x80? */ 1573 WCrt(ba, CRT_ID_START_HOR_RETR, HSS); 1574 WCrt(ba, CRT_ID_END_HOR_RETR, 1575 (HSE & 0x1f) | 1576 ((HBE & 0x20) ? 0x80 : 0x00)); 1577 WCrt(ba, CRT_ID_VER_TOTAL, VT); 1578 WCrt(ba, CRT_ID_OVERFLOW, 1579 0x10 | 1580 ((VT & 0x100) ? 0x01 : 0x00) | 1581 ((VDE & 0x100) ? 0x02 : 0x00) | 1582 ((VSS & 0x100) ? 0x04 : 0x00) | 1583 ((VBS & 0x100) ? 0x08 : 0x00) | 1584 ((VT & 0x200) ? 0x20 : 0x00) | 1585 ((VDE & 0x200) ? 0x40 : 0x00) | 1586 ((VSS & 0x200) ? 0x80 : 0x00)); 1587 1588 WCrt(ba, CRT_ID_CHAR_HEIGHT, 1589 0x40 | /* TEXT ? 0x00 ??? */ 1590 ((gv->disp_flags & GRF_FLAGS_DBLSCAN) ? 0x80 : 0x00) | 1591 ((VBS & 0x200) ? 0x20 : 0x00) | 1592 (TEXT ? ((md->fy - 1) & 0x1f) : 0x00)); 1593 1594 /* text cursor */ 1595 1596 if (TEXT) { 1597 #if CL_ULCURSOR 1598 WCrt(ba, CRT_ID_CURSOR_START, (md->fy & 0x1f) - 2); 1599 WCrt(ba, CRT_ID_CURSOR_END, (md->fy & 0x1f) - 1); 1600 #else 1601 WCrt(ba, CRT_ID_CURSOR_START, 0x00); 1602 WCrt(ba, CRT_ID_CURSOR_END, md->fy & 0x1f); 1603 #endif 1604 WCrt(ba, CRT_ID_UNDERLINE_LOC, (md->fy - 1) & 0x1f); 1605 1606 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, 0x00); 1607 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, 0x00); 1608 } 1609 WCrt(ba, CRT_ID_START_ADDR_HIGH, 0x00); 1610 WCrt(ba, CRT_ID_START_ADDR_LOW, 0x00); 1611 1612 WCrt(ba, CRT_ID_START_VER_RETR, VSS); 1613 WCrt(ba, CRT_ID_END_VER_RETR, (VSE & 0x0f) | 0x20); 1614 WCrt(ba, CRT_ID_VER_DISP_ENA_END, VDE); 1615 WCrt(ba, CRT_ID_START_VER_BLANK, VBS); 1616 WCrt(ba, CRT_ID_END_VER_BLANK, VBE); 1617 1618 WCrt(ba, CRT_ID_LINE_COMPARE, 0xff); 1619 WCrt(ba, CRT_ID_LACE_END, HT / 2); /* MW/16 */ 1620 WCrt(ba, CRT_ID_LACE_CNTL, 1621 ((gv->disp_flags & GRF_FLAGS_LACE) ? 0x01 : 0x00) | 1622 ((HBE & 0x40) ? 0x10 : 0x00) | 1623 ((HBE & 0x80) ? 0x20 : 0x00) | 1624 ((VBE & 0x100) ? 0x40 : 0x00) | 1625 ((VBE & 0x200) ? 0x80 : 0x00)); 1626 1627 WGfx(ba, GCT_ID_GRAPHICS_MODE, 1628 ((TEXT || (gv->depth == 1)) ? 0x00 : 0x40)); 1629 WGfx(ba, GCT_ID_MISC, (TEXT ? 0x04 : 0x01)); 1630 1631 WSeq(ba, SEQ_ID_EXT_SEQ_MODE, 1632 ((TEXT || (gv->depth == 1)) ? 0x00 : 0x01) | 1633 ((cltype == PICASSO) ? 0x20 : 0x80) | clkmode); 1634 1635 /* write 0x00 to VDAC_MASK before accessing HDR this helps 1636 sometimes, out of "secret" application note (crest) */ 1637 vgaw(ba, VDAC_MASK, 0); 1638 /* reset HDR "magic" access counter (crest) */ 1639 vgar(ba, VDAC_ADDRESS); 1640 1641 delay(200000); 1642 vgar(ba, VDAC_MASK); 1643 delay(200000); 1644 vgar(ba, VDAC_MASK); 1645 delay(200000); 1646 vgar(ba, VDAC_MASK); 1647 delay(200000); 1648 vgar(ba, VDAC_MASK); 1649 delay(200000); 1650 switch (gv->depth) { 1651 case 1: 1652 case 4: /* text */ 1653 vgaw(ba, VDAC_MASK, 0); 1654 HDE = gv->disp_width / 16; 1655 break; 1656 case 8: 1657 if (clkdoub) 1658 vgaw(ba, VDAC_MASK, 0x4a); /* Clockdouble Magic */ 1659 else 1660 vgaw(ba, VDAC_MASK, 0); 1661 HDE = gv->disp_width / 8; 1662 break; 1663 case 15: 1664 vgaw(ba, VDAC_MASK, 0xd0); 1665 HDE = gv->disp_width / 4; 1666 break; 1667 case 16: 1668 vgaw(ba, VDAC_MASK, 0xc1); 1669 HDE = gv->disp_width / 4; 1670 break; 1671 case 24: 1672 vgaw(ba, VDAC_MASK, 0xc5); 1673 HDE = (gv->disp_width / 8) * 3; 1674 break; 1675 case 32: 1676 vgaw(ba, VDAC_MASK, 0xc5); 1677 HDE = (gv->disp_width / 4); 1678 break; 1679 } 1680 1681 /* reset HDR "magic" access counter (crest) */ 1682 vgar(ba, VDAC_ADDRESS); 1683 /* then enable all bit in VDAC_MASK afterwards (crest) */ 1684 vgaw(ba, VDAC_MASK, 0xff); 1685 1686 WCrt(ba, CRT_ID_OFFSET, HDE); 1687 if (cl_64bit == 1) { 1688 WCrt(ba, CRT_ID_SYNC_ADJ_GENLOCK, 0x00); 1689 WCrt(ba, CRT_ID_OVERLAY_EXT_CTRL_REG, 0x40); 1690 } 1691 WCrt(ba, CRT_ID_EXT_DISP_CNTL, 1692 ((TEXT && gv->pixel_clock > 29000000) ? 0x40 : 0x00) | 1693 0x22 | 1694 ((HDE > 0xff) ? 0x10 : 0x00)); 1695 1696 WAttr(ba, ACT_ID_ATTR_MODE_CNTL, (TEXT ? 0x0a : 0x01)); 1697 WAttr(ba, 0x20 | ACT_ID_COLOR_PLANE_ENA, 1698 (gv->depth == 1) ? 0x01 : 0x0f); 1699 1700 /* text initialization */ 1701 1702 if (TEXT) { 1703 cl_inittextmode(gp); 1704 } 1705 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x14); 1706 WSeq(ba, SEQ_ID_CLOCKING_MODE, 0x01); 1707 cl_blanked = 0; 1708 1709 /* Pass-through */ 1710 1711 RegOffpass(ba); 1712 1713 return (1); 1714 } 1715 1716 void 1717 cl_inittextmode(struct grf_softc *gp) 1718 { 1719 struct grfcltext_mode *tm = (struct grfcltext_mode *) gp->g_data; 1720 volatile unsigned char *ba = gp->g_regkva; 1721 unsigned char *fb = __UNVOLATILE(gp->g_fbkva); 1722 unsigned char *c, *f, y; 1723 unsigned short z; 1724 1725 1726 /* load text font into beginning of display memory. Each character 1727 * cell is 32 bytes long (enough for 4 planes) */ 1728 1729 SetTextPlane(ba, 0x02); 1730 cl_memset(fb, 0, 256 * 32); 1731 c = (unsigned char *) (fb) + (32 * tm->fdstart); 1732 f = tm->fdata; 1733 for (z = tm->fdstart; z <= tm->fdend; z++, c += (32 - tm->fy)) 1734 for (y = 0; y < tm->fy; y++) 1735 *c++ = *f++; 1736 1737 /* clear out text/attr planes (three screens worth) */ 1738 1739 SetTextPlane(ba, 0x01); 1740 cl_memset(fb, 0x07, tm->cols * tm->rows * 3); 1741 SetTextPlane(ba, 0x00); 1742 cl_memset(fb, 0x20, tm->cols * tm->rows * 3); 1743 1744 /* print out a little init msg */ 1745 1746 c = (unsigned char *) (fb) + (tm->cols - 16); 1747 strcpy(c, "CIRRUS"); 1748 c[6] = 0x20; 1749 1750 /* set colors (B&W) */ 1751 1752 vgaw(ba, VDAC_ADDRESS_W, 0); 1753 for (z = 0; z < 256; z++) { 1754 unsigned char r, g, b; 1755 1756 y = (z & 1) ? ((z > 7) ? 2 : 1) : 0; 1757 1758 if (cltype == PICASSO) { 1759 r = clconscolors[y][0]; 1760 g = clconscolors[y][1]; 1761 b = clconscolors[y][2]; 1762 } else { 1763 b = clconscolors[y][0]; 1764 g = clconscolors[y][1]; 1765 r = clconscolors[y][2]; 1766 } 1767 vgaw(ba, VDAC_DATA, r >> 2); 1768 vgaw(ba, VDAC_DATA, g >> 2); 1769 vgaw(ba, VDAC_DATA, b >> 2); 1770 } 1771 } 1772 1773 void 1774 cl_memset(unsigned char *d, unsigned char c, int l) 1775 { 1776 for (; l > 0; l--) 1777 *d++ = c; 1778 } 1779 1780 /* 1781 * Special wakeup/passthrough registers on graphics boards 1782 * 1783 * The methods have diverged a bit for each board, so 1784 * WPass(P) has been converted into a set of specific 1785 * inline functions. 1786 */ 1787 static void 1788 RegWakeup(volatile void *ba) 1789 { 1790 1791 switch (cltype) { 1792 case SPECTRUM: 1793 vgaw(ba, PASS_ADDRESS_W, 0x1f); 1794 break; 1795 case PICASSO: 1796 /* Picasso needs no wakeup */ 1797 break; 1798 case PICCOLO: 1799 if (cl_64bit == 1) 1800 vgaw(ba, PASS_ADDRESS_W, 0x1f); 1801 else 1802 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x10); 1803 break; 1804 } 1805 delay(200000); 1806 } 1807 1808 static void 1809 RegOnpass(volatile void *ba) 1810 { 1811 1812 switch (cltype) { 1813 case SPECTRUM: 1814 vgaw(ba, PASS_ADDRESS_W, 0x4f); 1815 break; 1816 case PICASSO: 1817 if (cl_64bit == 0) 1818 vgaw(ba, PASS_ADDRESS_WP, 0x01); 1819 break; 1820 case PICCOLO: 1821 if (cl_64bit == 1) 1822 vgaw(ba, PASS_ADDRESS_W, 0x4f); 1823 else 1824 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) & 0xdf); 1825 break; 1826 } 1827 cl_pass_toggle = 1; 1828 delay(200000); 1829 } 1830 1831 static void 1832 RegOffpass(volatile void *ba) 1833 { 1834 1835 switch (cltype) { 1836 case SPECTRUM: 1837 vgaw(ba, PASS_ADDRESS_W, 0x6f); 1838 break; 1839 case PICASSO: 1840 if (cl_64bit == 0) 1841 vgaw(ba, PASS_ADDRESS_W, 0xff); 1842 break; 1843 case PICCOLO: 1844 if (cl_64bit == 1) 1845 vgaw(ba, PASS_ADDRESS_W, 0x6f); 1846 else 1847 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x20); 1848 break; 1849 } 1850 cl_pass_toggle = 0; 1851 delay(200000); 1852 } 1853 1854 #if NWSDISPLAY > 0 1855 static void 1856 cl_wscursor(void *c, int on, int row, int col) 1857 { 1858 struct rasops_info *ri; 1859 struct vcons_screen *scr; 1860 struct grf_softc *gp; 1861 volatile void *ba; 1862 int offs; 1863 1864 ri = c; 1865 scr = ri->ri_hw; 1866 gp = scr->scr_cookie; 1867 ba = gp->g_regkva; 1868 1869 if ((ri->ri_flg & RI_CURSOR) && !on) { 1870 /* cursor was visible, but we want to remove it */ 1871 /*WCrt(ba, CRT_ID_CURSOR_START, | 0x20);*/ 1872 ri->ri_flg &= ~RI_CURSOR; 1873 } 1874 1875 ri->ri_crow = row; 1876 ri->ri_ccol = col; 1877 1878 if (on) { 1879 /* move cursor to new location */ 1880 if (!(ri->ri_flg & RI_CURSOR)) { 1881 /*WCrt(ba, CRT_ID_CURSOR_START, | 0x20);*/ 1882 ri->ri_flg |= RI_CURSOR; 1883 } 1884 offs = gp->g_rowoffset[row] + col; 1885 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, offs & 0xff); 1886 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, offs >> 8); 1887 } 1888 } 1889 1890 static void 1891 cl_wsputchar(void *c, int row, int col, u_int ch, long attr) 1892 { 1893 struct rasops_info *ri; 1894 struct vcons_screen *scr; 1895 struct grf_softc *gp; 1896 volatile unsigned char *ba, *cp; 1897 1898 ri = c; 1899 scr = ri->ri_hw; 1900 gp = scr->scr_cookie; 1901 ba = gp->g_regkva; 1902 cp = gp->g_fbkva; 1903 1904 cp += gp->g_rowoffset[row] + col; 1905 SetTextPlane(ba, 0x00); 1906 *cp = ch; 1907 SetTextPlane(ba, 0x01); 1908 *cp = attr; 1909 } 1910 1911 static void 1912 cl_wscopycols(void *c, int row, int srccol, int dstcol, int ncols) 1913 { 1914 volatile unsigned char *ba, *dst, *src; 1915 struct rasops_info *ri; 1916 struct vcons_screen *scr; 1917 struct grf_softc *gp; 1918 int i; 1919 1920 KASSERT(ncols > 0); 1921 ri = c; 1922 scr = ri->ri_hw; 1923 gp = scr->scr_cookie; 1924 ba = gp->g_regkva; 1925 src = gp->g_fbkva; 1926 1927 src += gp->g_rowoffset[row]; 1928 dst = src; 1929 src += srccol; 1930 dst += dstcol; 1931 if (srccol < dstcol) { 1932 /* need to copy backwards */ 1933 src += ncols; 1934 dst += ncols; 1935 SetTextPlane(ba, 0x00); 1936 for (i = 0; i < ncols; i++) 1937 *(--dst) = *(--src); 1938 src += ncols; 1939 dst += ncols; 1940 SetTextPlane(ba, 0x01); 1941 for (i = 0; i < ncols; i++) 1942 *(--dst) = *(--src); 1943 } else { 1944 SetTextPlane(ba, 0x00); 1945 for (i = 0; i < ncols; i++) 1946 *dst++ = *src++; 1947 src -= ncols; 1948 dst -= ncols; 1949 SetTextPlane(ba, 0x01); 1950 for (i = 0; i < ncols; i++) 1951 *dst++ = *src++; 1952 } 1953 } 1954 1955 static void 1956 cl_wserasecols(void *c, int row, int startcol, int ncols, long fillattr) 1957 { 1958 volatile unsigned char *ba, *cp; 1959 struct rasops_info *ri; 1960 struct vcons_screen *scr; 1961 struct grf_softc *gp; 1962 int i; 1963 1964 ri = c; 1965 scr = ri->ri_hw; 1966 gp = scr->scr_cookie; 1967 ba = gp->g_regkva; 1968 cp = gp->g_fbkva; 1969 1970 cp += gp->g_rowoffset[row] + startcol; 1971 SetTextPlane(ba, 0x00); 1972 for (i = 0; i < ncols; i++) 1973 *cp++ = 0x20; 1974 cp -= ncols; 1975 SetTextPlane(ba, 0x01); 1976 for (i = 0; i < ncols; i++) 1977 *cp++ = 0x07; 1978 } 1979 1980 static void 1981 cl_wscopyrows(void *c, int srcrow, int dstrow, int nrows) 1982 { 1983 volatile unsigned char *ba, *dst, *src; 1984 struct rasops_info *ri; 1985 struct vcons_screen *scr; 1986 struct grf_softc *gp; 1987 int i, n; 1988 1989 KASSERT(nrows > 0); 1990 ri = c; 1991 scr = ri->ri_hw; 1992 gp = scr->scr_cookie; 1993 ba = gp->g_regkva; 1994 src = dst = gp->g_fbkva; 1995 n = ri->ri_cols * nrows; 1996 1997 if (srcrow < dstrow) { 1998 /* need to copy backwards */ 1999 src += gp->g_rowoffset[srcrow + nrows]; 2000 dst += gp->g_rowoffset[dstrow + nrows]; 2001 SetTextPlane(ba, 0x00); 2002 for (i = 0; i < n; i++) 2003 *(--dst) = *(--src); 2004 src += n; 2005 dst += n; 2006 SetTextPlane(ba, 0x01); 2007 for (i = 0; i < n; i++) 2008 *(--dst) = *(--src); 2009 } else { 2010 src += gp->g_rowoffset[srcrow]; 2011 dst += gp->g_rowoffset[dstrow]; 2012 SetTextPlane(ba, 0x00); 2013 for (i = 0; i < n; i++) 2014 *dst++ = *src++; 2015 src -= n; 2016 dst -= n; 2017 SetTextPlane(ba, 0x01); 2018 for (i = 0; i < n; i++) 2019 *dst++ = *src++; 2020 } 2021 } 2022 2023 static void 2024 cl_wseraserows(void *c, int row, int nrows, long fillattr) 2025 { 2026 volatile unsigned char *ba, *cp; 2027 struct rasops_info *ri; 2028 struct vcons_screen *scr; 2029 struct grf_softc *gp; 2030 int i, n; 2031 2032 ri = c; 2033 scr = ri->ri_hw; 2034 gp = scr->scr_cookie; 2035 ba = gp->g_regkva; 2036 cp = gp->g_fbkva; 2037 2038 cp += gp->g_rowoffset[row]; 2039 n = ri->ri_cols * nrows; 2040 SetTextPlane(ba, 0x00); 2041 for (i = 0; i < n; i++) 2042 *cp++ = 0x20; 2043 cp -= n; 2044 SetTextPlane(ba, 0x01); 2045 for (i = 0; i < n; i++) 2046 *cp++ = 0x07; 2047 } 2048 2049 static int 2050 cl_wsallocattr(void *c, int fg, int bg, int flg, long *attr) 2051 { 2052 2053 /* XXX color support? */ 2054 *attr = (flg & WSATTR_REVERSE) ? 0x70 : 0x07; 2055 if (flg & WSATTR_UNDERLINE) *attr = 0x01; 2056 if (flg & WSATTR_HILIT) *attr |= 0x08; 2057 if (flg & WSATTR_BLINK) *attr |= 0x80; 2058 return 0; 2059 } 2060 2061 /* our font does not support unicode extensions */ 2062 static int 2063 cl_wsmapchar(void *c, int ch, unsigned int *cp) 2064 { 2065 2066 if (ch > 0 && ch < 256) { 2067 *cp = ch; 2068 return 5; 2069 } 2070 *cp = ' '; 2071 return 0; 2072 } 2073 2074 static int 2075 cl_wsioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) 2076 { 2077 struct vcons_data *vd; 2078 struct grf_softc *gp; 2079 2080 vd = v; 2081 gp = vd->cookie; 2082 2083 switch (cmd) { 2084 case WSDISPLAYIO_GETCMAP: 2085 /* Note: wsdisplay_cmap and grf_colormap have same format */ 2086 if (gp->g_display.gd_planes == 8) 2087 return cl_getcmap(gp, (struct grf_colormap *)data); 2088 return EINVAL; 2089 2090 case WSDISPLAYIO_PUTCMAP: 2091 /* Note: wsdisplay_cmap and grf_colormap have same format */ 2092 if (gp->g_display.gd_planes == 8) 2093 return cl_putcmap(gp, (struct grf_colormap *)data); 2094 return EINVAL; 2095 2096 case WSDISPLAYIO_GVIDEO: 2097 if (cl_isblank(gp)) 2098 *(u_int *)data = WSDISPLAYIO_VIDEO_OFF; 2099 else 2100 *(u_int *)data = WSDISPLAYIO_VIDEO_ON; 2101 return 0; 2102 2103 case WSDISPLAYIO_SVIDEO: 2104 return cl_blank(gp, *(u_int *)data == WSDISPLAYIO_VIDEO_ON); 2105 2106 case WSDISPLAYIO_SMODE: 2107 if ((*(int *)data) != gp->g_wsmode) { 2108 if (*(int *)data == WSDISPLAYIO_MODE_EMUL) { 2109 /* load console text mode, redraw screen */ 2110 (void)cl_load_mon(gp, &clconsole_mode); 2111 if (vd->active != NULL) 2112 vcons_redraw_screen(vd->active); 2113 } else { 2114 /* switch to current graphics mode */ 2115 if (!cl_load_mon(gp, 2116 (struct grfcltext_mode *)monitor_current)) 2117 return EINVAL; 2118 } 2119 gp->g_wsmode = *(int *)data; 2120 } 2121 return 0; 2122 2123 case WSDISPLAYIO_GET_FBINFO: 2124 return cl_get_fbinfo(gp, data); 2125 } 2126 2127 /* handle this command hw-independant in grf(4) */ 2128 return grf_wsioctl(v, vs, cmd, data, flag, l); 2129 } 2130 2131 /* 2132 * Fill the wsdisplayio_fbinfo structure with information from the current 2133 * graphics mode. Even when text mode is active. 2134 */ 2135 static int 2136 cl_get_fbinfo(struct grf_softc *gp, struct wsdisplayio_fbinfo *fbi) 2137 { 2138 struct grfvideo_mode *md; 2139 uint32_t rbits, gbits, bbits; 2140 2141 md = monitor_current; 2142 2143 switch (md->depth) { 2144 case 8: 2145 fbi->fbi_bitsperpixel = 8; 2146 rbits = gbits = bbits = 6; /* keep gcc happy */ 2147 break; 2148 case 15: 2149 fbi->fbi_bitsperpixel = 16; 2150 rbits = gbits = bbits = 5; 2151 break; 2152 case 16: 2153 fbi->fbi_bitsperpixel = 16; 2154 rbits = bbits = 5; 2155 gbits = 6; 2156 break; 2157 case 24: 2158 fbi->fbi_bitsperpixel = 24; 2159 rbits = gbits = bbits = 8; 2160 break; 2161 default: 2162 return EINVAL; 2163 } 2164 2165 fbi->fbi_stride = (fbi->fbi_bitsperpixel / 8) * md->disp_width; 2166 fbi->fbi_width = md->disp_width; 2167 fbi->fbi_height = md->disp_height; 2168 2169 if (md->depth > 8) { 2170 fbi->fbi_pixeltype = WSFB_RGB; 2171 fbi->fbi_subtype.fbi_rgbmasks.red_offset = bbits + gbits; 2172 fbi->fbi_subtype.fbi_rgbmasks.red_size = rbits; 2173 fbi->fbi_subtype.fbi_rgbmasks.green_offset = bbits; 2174 fbi->fbi_subtype.fbi_rgbmasks.green_size = gbits; 2175 fbi->fbi_subtype.fbi_rgbmasks.blue_offset = 0; 2176 fbi->fbi_subtype.fbi_rgbmasks.blue_size = bbits; 2177 fbi->fbi_subtype.fbi_rgbmasks.alpha_offset = 0; 2178 fbi->fbi_subtype.fbi_rgbmasks.alpha_size = 0; 2179 } else { 2180 fbi->fbi_pixeltype = WSFB_CI; 2181 fbi->fbi_subtype.fbi_cmapinfo.cmap_entries = 1 << md->depth; 2182 } 2183 2184 fbi->fbi_flags = 0; 2185 fbi->fbi_fbsize = fbi->fbi_stride * fbi->fbi_height; 2186 fbi->fbi_fboffset = 0; 2187 return 0; 2188 } 2189 #endif /* NWSDISPLAY > 0 */ 2190 2191 #endif /* NGRFCL */ 2192