1 /* $NetBSD: grf_cl.c,v 1.56 2023/02/14 20:27:17 andvar 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 1.56 2023/02/14 20:27:17 andvar 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 support 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/device_impl.h> /* XXX autoconf abuse */ 82 #include <sys/malloc.h> 83 84 #include <machine/cpu.h> 85 #include <dev/cons.h> 86 #if NWSDISPLAY > 0 87 #include <dev/wscons/wsconsio.h> 88 #include <dev/wscons/wsdisplayvar.h> 89 #include <dev/rasops/rasops.h> 90 #include <dev/wscons/wsdisplay_vconsvar.h> 91 #endif 92 #include <amiga/dev/itevar.h> 93 #include <amiga/amiga/device.h> 94 #include <amiga/dev/grfioctl.h> 95 #include <amiga/dev/grfvar.h> 96 #include <amiga/dev/grf_clreg.h> 97 #include <amiga/dev/zbusvar.h> 98 99 int cl_mondefok(struct grfvideo_mode *); 100 void cl_boardinit(struct grf_softc *); 101 static void cl_CompFQ(u_int, u_char *, u_char *, u_char *); 102 int cl_getvmode(struct grf_softc *, struct grfvideo_mode *); 103 int cl_setvmode(struct grf_softc *, unsigned int); 104 int cl_toggle(struct grf_softc *, unsigned short); 105 int cl_getcmap(struct grf_softc *, struct grf_colormap *); 106 int cl_putcmap(struct grf_softc *, struct grf_colormap *); 107 #ifndef CL5426CONSOLE 108 void cl_off(struct grf_softc *); 109 #endif 110 void cl_inittextmode(struct grf_softc *); 111 int cl_ioctl(register struct grf_softc *, u_long, void *); 112 int cl_getmousepos(struct grf_softc *, struct grf_position *); 113 int cl_setmousepos(struct grf_softc *, struct grf_position *); 114 static int cl_setspriteinfo(struct grf_softc *, struct grf_spriteinfo *); 115 int cl_getspriteinfo(struct grf_softc *, struct grf_spriteinfo *); 116 static int cl_getspritemax(struct grf_softc *, struct grf_position *); 117 int cl_blank(struct grf_softc *, int); 118 int cl_isblank(struct grf_softc *); 119 int cl_setmonitor(struct grf_softc *, struct grfvideo_mode *); 120 void cl_writesprpos(volatile char *, short, short); 121 void writeshifted(volatile char *, signed char, signed char); 122 123 static void RegWakeup(volatile void *); 124 static void RegOnpass(volatile void *); 125 static void RegOffpass(volatile void *); 126 127 void grfclattach(device_t, device_t, void *); 128 int grfclprint(void *, const char *); 129 int grfclmatch(device_t, cfdata_t, void *); 130 void cl_memset(unsigned char *, unsigned char, int); 131 132 #if NWSDISPLAY > 0 133 /* wsdisplay acessops, emulops */ 134 static int cl_wsioctl(void *, void *, u_long, void *, int, struct lwp *); 135 static int cl_get_fbinfo(struct grf_softc *, struct wsdisplayio_fbinfo *); 136 137 static void cl_wscursor(void *, int, int, int); 138 static void cl_wsputchar(void *, int, int, u_int, long); 139 static void cl_wscopycols(void *, int, int, int, int); 140 static void cl_wserasecols(void *, int, int, int, long); 141 static void cl_wscopyrows(void *, int, int, int); 142 static void cl_wseraserows(void *, int, int, long); 143 static int cl_wsallocattr(void *, int, int, int, long *); 144 static int cl_wsmapchar(void *, int, unsigned int *); 145 #endif /* NWSDISPLAY > 0 */ 146 147 /* Graphics display definitions. 148 * These are filled by 'grfconfig' using GRFIOCSETMON. 149 */ 150 #define monitor_def_max 24 151 static struct grfvideo_mode monitor_def[24] = { 152 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, 153 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0}, 154 {0}, {0}, {0}, {0}, {0}, {0}, {0}, {0} 155 }; 156 static struct grfvideo_mode *monitor_current = &monitor_def[0]; 157 158 /* Patchable maximum pixel clock */ 159 unsigned long cl_maxpixelclock = 86000000; 160 161 /* Console display definition. 162 * Default hardcoded text mode. This grf_cl is set up to 163 * use one text mode only, and this is it. You may use 164 * grfconfig to change the mode after boot. 165 */ 166 /* Console font */ 167 #ifdef KFONT_8X11 168 #define CIRRUSFONT kernel_font_8x11 169 #define CIRRUSFONTY 11 170 #else 171 #define CIRRUSFONT kernel_font_8x8 172 #define CIRRUSFONTY 8 173 #endif 174 extern unsigned char CIRRUSFONT[]; 175 176 struct grfcltext_mode clconsole_mode = { 177 {255, "", 25000000, 640, 480, 4, 640/8, 680/8, 768/8, 800/8, 178 481, 490, 498, 522, 0}, 179 8, CIRRUSFONTY, 80, 480 / CIRRUSFONTY, CIRRUSFONT, 32, 255 180 }; 181 /* Console colors */ 182 unsigned char clconscolors[3][3] = { /* background, foreground, hilite */ 183 {0, 0x40, 0x50}, {152, 152, 152}, {255, 255, 255} 184 }; 185 186 int cltype = 0; /* Picasso, Spectrum or Piccolo */ 187 int cl_64bit = 0; /* PiccoloSD64 or PicassoIV */ 188 unsigned char cl_pass_toggle; /* passthru status tracker */ 189 static int cl_blanked; /* true when video is currently blanked out */ 190 191 /* 192 * because all 542x-boards have 2 configdev entries, one for 193 * framebuffer mem and the other for regs, we have to hold onto 194 * the pointers globally until we match on both. This and 'cltype' 195 * are the primary obsticles to multiple board support, but if you 196 * have multiple boards you have bigger problems than grf_cl. 197 */ 198 static void *cl_fbaddr = 0; /* framebuffer */ 199 static void *cl_regaddr = 0; /* registers */ 200 static int cl_fbsize; /* framebuffer size */ 201 static int cl_fbautosize; /* framebuffer autoconfig size */ 202 203 204 /* 205 * current sprite info, if you add support for multiple boards 206 * make this an array or something 207 */ 208 struct grf_spriteinfo cl_cursprite; 209 210 /* sprite bitmaps in kernel stack, you'll need to arrayize these too if 211 * you add multiple board support 212 */ 213 static unsigned char cl_imageptr[8 * 64], cl_maskptr[8 * 64]; 214 static unsigned char cl_sprred[2], cl_sprgreen[2], cl_sprblue[2]; 215 216 #if NWSDISPLAY > 0 217 static struct wsdisplay_accessops cl_accessops = { 218 .ioctl = cl_wsioctl, 219 .mmap = grf_wsmmap 220 }; 221 222 static struct wsdisplay_emulops cl_textops = { 223 .cursor = cl_wscursor, 224 .mapchar = cl_wsmapchar, 225 .putchar = cl_wsputchar, 226 .copycols = cl_wscopycols, 227 .erasecols = cl_wserasecols, 228 .copyrows = cl_wscopyrows, 229 .eraserows = cl_wseraserows, 230 .allocattr = cl_wsallocattr 231 }; 232 233 static struct wsscreen_descr cl_defaultscreen = { 234 .name = "default", 235 .textops = &cl_textops, 236 .fontwidth = 8, 237 .fontheight = CIRRUSFONTY, 238 .capabilities = WSSCREEN_HILIT | WSSCREEN_BLINK | 239 WSSCREEN_REVERSE | WSSCREEN_UNDERLINE 240 }; 241 242 static const struct wsscreen_descr *cl_screens[] = { 243 &cl_defaultscreen, 244 }; 245 246 static struct wsscreen_list cl_screenlist = { 247 sizeof(cl_screens) / sizeof(struct wsscreen_descr *), cl_screens 248 }; 249 #endif /* NWSDISPLAY > 0 */ 250 251 /* standard driver stuff */ 252 CFATTACH_DECL_NEW(grfcl, sizeof(struct grf_softc), 253 grfclmatch, grfclattach, NULL, NULL); 254 255 static struct cfdata *cfdata; 256 257 int 258 grfclmatch(device_t parent, cfdata_t cf, void *aux) 259 { 260 struct zbus_args *zap; 261 static int regprod, fbprod; 262 int error; 263 264 zap = aux; 265 266 #ifndef CL5426CONSOLE 267 if (amiga_realconfig == 0) 268 return (0); 269 #endif 270 271 /* Grab the first board we encounter as the preferred one. This will 272 * allow one board to work in a multiple 5426 board system, but not 273 * multiple boards at the same time. */ 274 if (cltype == 0) { 275 switch (zap->manid) { 276 case PICASSO: 277 switch (zap->prodid) { 278 case 11: 279 case 12: 280 regprod = 12; 281 fbprod = 11; 282 error = 0; 283 break; 284 case 22: 285 error = 0; 286 break; 287 case 21: 288 case 23: 289 regprod = 23; 290 fbprod = 21; 291 cl_64bit = 1; 292 error = 0; 293 break; 294 case 24: 295 regprod = 24; 296 fbprod = 24; 297 cl_64bit = 1; 298 error = 0; 299 break; 300 default: 301 error = 1; 302 break; 303 } 304 if (error == 1) 305 return (0); 306 else 307 break; 308 case SPECTRUM: 309 if (zap->prodid != 2 && zap->prodid != 1) 310 return (0); 311 regprod = 2; 312 fbprod = 1; 313 break; 314 case PICCOLO: 315 switch (zap->prodid) { 316 case 5: 317 case 6: 318 regprod = 6; 319 fbprod = 5; 320 error = 0; 321 break; 322 case 10: 323 case 11: 324 regprod = 11; 325 fbprod = 10; 326 cl_64bit = 1; 327 error = 0; 328 break; 329 default: 330 error = 1; 331 break; 332 } 333 if (error == 1) 334 return (0); 335 else 336 break; 337 default: 338 return (0); 339 } 340 cltype = zap->manid; 341 } else { 342 if (cltype != zap->manid) { 343 return (0); 344 } 345 } 346 347 /* Configure either registers or framebuffer in any order */ 348 if ((cltype == PICASSO) && (cl_64bit == 1)) { 349 switch (zap->prodid) { 350 case 21: 351 cl_fbaddr = zap->va; 352 cl_fbautosize = zap->size; 353 break; 354 case 22: 355 cl_fbautosize += zap->size; 356 break; 357 case 23: 358 cl_regaddr = (void *)((unsigned long)(zap->va) + 0x10000); 359 break; 360 case 24: 361 cl_regaddr = (void *)((unsigned long)(zap->va) + 0x600000); 362 /* check for PicassoIV with 64MB config and handle it */ 363 if (zap->size == 0x04000000) { 364 cl_fbaddr = (void *)((unsigned long)(zap->va) + 0x02000000); 365 } else { 366 cl_fbaddr = (void *)((unsigned long)(zap->va) + 0x01000000); 367 } 368 cl_fbautosize = 0x400000; 369 break; 370 default: 371 return (0); 372 } 373 } 374 else { 375 if (zap->prodid == regprod) 376 cl_regaddr = zap->va; 377 else 378 if (zap->prodid == fbprod) { 379 cl_fbaddr = zap->va; 380 cl_fbautosize = zap->size; 381 } else 382 return (0); 383 } 384 385 #ifdef CL5426CONSOLE 386 if (amiga_realconfig == 0) { 387 cfdata = cf; 388 } 389 #endif 390 391 return (1); 392 } 393 394 void 395 grfclattach(device_t parent, device_t self, void *aux) 396 { 397 static struct grf_softc congrf; 398 struct zbus_args *zap; 399 struct grf_softc *gp; 400 struct device temp; 401 static char attachflag = 0; 402 403 zap = aux; 404 405 printf("\n"); 406 407 /* make sure both halves have matched */ 408 if (!cl_regaddr || !cl_fbaddr) 409 return; 410 411 /* do all that messy console/grf stuff */ 412 if (self == NULL) { 413 gp = &congrf; 414 gp->g_device = &temp; 415 temp.dv_private = gp; 416 } else { 417 gp = device_private(self); 418 gp->g_device = self; 419 } 420 421 if (self != NULL && congrf.g_regkva != 0) { 422 /* 423 * inited earlier, just copy (not device struct) 424 */ 425 memcpy(&gp->g_display, &congrf.g_display, 426 (char *) &gp[1] - (char *) &gp->g_display); 427 } else { 428 gp->g_regkva = (volatile void *) cl_regaddr; 429 gp->g_fbkva = (volatile void *) cl_fbaddr; 430 431 gp->g_unit = GRF_CL5426_UNIT; 432 gp->g_mode = cl_mode; 433 #if NITE > 0 434 gp->g_conpri = grfcl_cnprobe(); 435 #endif 436 gp->g_flags = GF_ALIVE; 437 438 /* wakeup the board */ 439 cl_boardinit(gp); 440 441 #ifdef CL5426CONSOLE 442 #if NWSDISPLAY > 0 443 gp->g_accessops = &cl_accessops; 444 gp->g_emulops = &cl_textops; 445 gp->g_defaultscr = &cl_defaultscreen; 446 gp->g_scrlist = &cl_screenlist; 447 #else 448 #if NITE > 0 449 grfcl_iteinit(gp); 450 #endif 451 #endif /* NWSDISPLAY > 0 */ 452 (void) cl_load_mon(gp, &clconsole_mode); 453 #endif 454 } 455 456 /* 457 * attach grf (once) 458 */ 459 if (amiga_config_found(cfdata, gp->g_device, gp, grfclprint, 460 CFARGS_NONE)) { 461 attachflag = 1; 462 printf("grfcl: %dMB ", cl_fbsize / 0x100000); 463 switch (cltype) { 464 case PICASSO: 465 if (cl_64bit == 1) { 466 printf("Picasso IV"); 467 /* 135MHz will be supported if we 468 * have a palette doubling mode. 469 */ 470 cl_maxpixelclock = 86000000; 471 } 472 else { 473 printf("Picasso II"); 474 475 /* check for PicassoII+ (crest) */ 476 if(zap->serno == 0x00100000) 477 printf("+"); 478 479 /* determine used Gfx/chipset (crest) */ 480 vgaw(gp->g_regkva, CRT_ADDRESS, 0x27); /* Chip ID */ 481 switch(vgar(gp->g_regkva, CRT_ADDRESS_R)>>2) { 482 case 0x24: 483 printf(" (with CL-GD5426)"); 484 break; 485 case 0x26: 486 printf(" (with CL-GD5428)"); 487 break; 488 case 0x27: 489 printf(" (with CL-GD5429)"); 490 break; 491 } 492 cl_maxpixelclock = 86000000; 493 } 494 break; 495 case SPECTRUM: 496 printf("Spectrum"); 497 cl_maxpixelclock = 90000000; 498 break; 499 case PICCOLO: 500 if (cl_64bit == 1) { 501 printf("Piccolo SD64"); 502 /* 110MHz will be supported if we 503 * have a palette doubling mode. 504 */ 505 cl_maxpixelclock = 90000000; 506 } else { 507 printf("Piccolo"); 508 cl_maxpixelclock = 90000000; 509 } 510 break; 511 } 512 printf(" being used\n"); 513 #ifdef CL_OVERCLOCK 514 cl_maxpixelclock = 115000000; 515 #endif 516 } else { 517 if (!attachflag) 518 printf("grfcl unattached!!\n"); 519 } 520 } 521 522 int 523 grfclprint(void *aux, const char *pnp) 524 { 525 if (pnp) 526 aprint_normal("ite at %s: ", pnp); 527 return (UNCONF); 528 } 529 530 void 531 cl_boardinit(struct grf_softc *gp) 532 { 533 volatile unsigned char *ba = gp->g_regkva; 534 int x; 535 536 if ((cltype == PICASSO) && (cl_64bit == 1)) { /* PicassoIV */ 537 WCrt(ba, 0x51, 0x00); /* disable capture (FlickerFixer) */ 538 delay(200000); /* wait some time (two frames as of now) */ 539 WGfx(ba, 0x2f, 0x00); /* get Blitter into 542x */ 540 WGfx(ba, GCT_ID_RESERVED, 0x00); /* compatibility mode */ 541 WGfx(ba, GCT_ID_BLT_STAT_START, 0x00); /* or at least, try so... */ 542 cl_fbsize = cl_fbautosize; 543 } else { 544 545 /* wakeup board and flip passthru OFF */ 546 RegWakeup(ba); 547 RegOnpass(ba); 548 549 vgaw(ba, 0x46e8, 0x16); 550 vgaw(ba, 0x102, 1); 551 vgaw(ba, 0x46e8, 0x0e); 552 if (cl_64bit != 1) 553 vgaw(ba, 0x3c3, 1); 554 555 cl_fbsize = cl_fbautosize; 556 557 /* setup initial unchanging parameters */ 558 559 cl_blanked = 1; 560 WSeq(ba, SEQ_ID_CLOCKING_MODE, 0x21); /* 8 dot - display off */ 561 vgaw(ba, GREG_MISC_OUTPUT_W, 0xed); /* mem disable */ 562 563 WGfx(ba, GCT_ID_OFFSET_1, 0xec); /* magic cookie */ 564 WSeq(ba, SEQ_ID_UNLOCK_EXT, 0x12); /* yum! cookies! */ 565 566 if (cl_64bit == 1) { 567 WSeq(ba, SEQ_ID_CONF_RBACK, 0x00); 568 WSeq(ba, SEQ_ID_DRAM_CNTL, (cl_fbsize / 0x100000 == 2) ? 0x38 : 0xb8); 569 } else { 570 WSeq(ba, SEQ_ID_DRAM_CNTL, 0xb0); 571 } 572 WSeq(ba, SEQ_ID_RESET, 0x03); 573 WSeq(ba, SEQ_ID_MAP_MASK, 0xff); 574 WSeq(ba, SEQ_ID_CHAR_MAP_SELECT, 0x00); 575 WSeq(ba, SEQ_ID_MEMORY_MODE, 0x0e); /* a or 6? */ 576 WSeq(ba, SEQ_ID_EXT_SEQ_MODE, (cltype == PICASSO) ? 0x21 : 0x81); 577 WSeq(ba, SEQ_ID_EEPROM_CNTL, 0x00); 578 if (cl_64bit == 1) 579 WSeq(ba, SEQ_ID_PERF_TUNE, 0x5a); 580 else 581 WSeq(ba, SEQ_ID_PERF_TUNE, 0x0a); /* mouse 0a fa */ 582 WSeq(ba, SEQ_ID_SIG_CNTL, 0x02); 583 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x04); 584 585 if (cl_64bit == 1) 586 WSeq(ba, SEQ_ID_MCLK_SELECT, 0x1c); 587 else 588 WSeq(ba, SEQ_ID_MCLK_SELECT, 0x22); 589 590 WCrt(ba, CRT_ID_PRESET_ROW_SCAN, 0x00); 591 WCrt(ba, CRT_ID_CURSOR_START, 0x00); 592 WCrt(ba, CRT_ID_CURSOR_END, 0x08); 593 WCrt(ba, CRT_ID_START_ADDR_HIGH, 0x00); 594 WCrt(ba, CRT_ID_START_ADDR_LOW, 0x00); 595 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, 0x00); 596 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, 0x00); 597 598 WCrt(ba, CRT_ID_UNDERLINE_LOC, 0x07); 599 WCrt(ba, CRT_ID_MODE_CONTROL, 0xe3); 600 WCrt(ba, CRT_ID_LINE_COMPARE, 0xff); /* ff */ 601 WCrt(ba, CRT_ID_EXT_DISP_CNTL, 0x22); 602 if (cl_64bit == 1) { 603 WCrt(ba, CRT_ID_SYNC_ADJ_GENLOCK, 0x00); 604 WCrt(ba, CRT_ID_OVERLAY_EXT_CTRL_REG, 0x40); 605 } 606 WSeq(ba, SEQ_ID_CURSOR_STORE, 0x3c); /* mouse 0x00 */ 607 608 WGfx(ba, GCT_ID_SET_RESET, 0x00); 609 WGfx(ba, GCT_ID_ENABLE_SET_RESET, 0x00); 610 WGfx(ba, GCT_ID_DATA_ROTATE, 0x00); 611 WGfx(ba, GCT_ID_READ_MAP_SELECT, 0x00); 612 WGfx(ba, GCT_ID_GRAPHICS_MODE, 0x00); 613 WGfx(ba, GCT_ID_MISC, 0x01); 614 WGfx(ba, GCT_ID_COLOR_XCARE, 0x0f); 615 WGfx(ba, GCT_ID_BITMASK, 0xff); 616 WGfx(ba, GCT_ID_MODE_EXT, 0x28); 617 618 for (x = 0; x < 0x10; x++) 619 WAttr(ba, x, x); 620 WAttr(ba, ACT_ID_ATTR_MODE_CNTL, 0x01); 621 WAttr(ba, ACT_ID_OVERSCAN_COLOR, 0x00); 622 WAttr(ba, ACT_ID_COLOR_PLANE_ENA, 0x0f); 623 WAttr(ba, ACT_ID_HOR_PEL_PANNING, 0x00); 624 WAttr(ba, ACT_ID_COLOR_SELECT, 0x00); 625 WAttr(ba, 0x34, 0x00); 626 627 vgaw(ba, VDAC_MASK, 0xff); 628 vgaw(ba, GREG_MISC_OUTPUT_W, 0xef); 629 630 WGfx(ba, GCT_ID_BLT_STAT_START, 0x04); 631 WGfx(ba, GCT_ID_BLT_STAT_START, 0x00); 632 } 633 634 /* colors initially set to greyscale */ 635 vgaw(ba, VDAC_ADDRESS_W, 0); 636 for (x = 255; x >= 0; x--) { 637 vgaw(ba, VDAC_DATA, x); 638 vgaw(ba, VDAC_DATA, x); 639 vgaw(ba, VDAC_DATA, x); 640 } 641 /* set sprite bitmap pointers */ 642 cl_cursprite.image = cl_imageptr; 643 cl_cursprite.mask = cl_maskptr; 644 cl_cursprite.cmap.red = cl_sprred; 645 cl_cursprite.cmap.green = cl_sprgreen; 646 cl_cursprite.cmap.blue = cl_sprblue; 647 648 if (cl_64bit == 0) { 649 650 /* check for 1MB or 2MB board (crest) */ 651 volatile unsigned long *cl_fbtestaddr; 652 cl_fbtestaddr = (volatile unsigned long *)gp->g_fbkva; 653 654 WGfx(ba, GCT_ID_OFFSET_0, 0x40); 655 *cl_fbtestaddr = 0x12345678; 656 657 if (*cl_fbtestaddr != 0x12345678) { 658 WSeq(ba, SEQ_ID_DRAM_CNTL, 0x30); 659 cl_fbsize = 0x100000; 660 } 661 else 662 { 663 cl_fbsize = 0x200000; 664 } 665 } 666 WGfx(ba, GCT_ID_OFFSET_0, 0x00); 667 } 668 669 670 int 671 cl_getvmode(struct grf_softc *gp, struct grfvideo_mode *vm) 672 { 673 struct grfvideo_mode *gv; 674 675 #ifdef CL5426CONSOLE 676 /* Handle grabbing console mode */ 677 if (vm->mode_num == 255) { 678 memcpy(vm, &clconsole_mode, sizeof(struct grfvideo_mode)); 679 /* XXX so grfconfig can tell us the correct text dimensions. */ 680 vm->depth = clconsole_mode.fy; 681 } else 682 #endif 683 { 684 if (vm->mode_num == 0) 685 vm->mode_num = (monitor_current - monitor_def) + 1; 686 if (vm->mode_num < 1 || vm->mode_num > monitor_def_max) 687 return (EINVAL); 688 gv = monitor_def + (vm->mode_num - 1); 689 if (gv->mode_num == 0) 690 return (EINVAL); 691 692 memcpy(vm, gv, sizeof(struct grfvideo_mode)); 693 } 694 695 /* adjust internal values to pixel values */ 696 697 vm->hblank_start *= 8; 698 vm->hsync_start *= 8; 699 vm->hsync_stop *= 8; 700 vm->htotal *= 8; 701 702 return (0); 703 } 704 705 706 int 707 cl_setvmode(struct grf_softc *gp, unsigned mode) 708 { 709 if (!mode || (mode > monitor_def_max) || 710 monitor_def[mode - 1].mode_num == 0) 711 return (EINVAL); 712 713 monitor_current = monitor_def + (mode - 1); 714 715 return (0); 716 } 717 718 #ifndef CL5426CONSOLE 719 void 720 cl_off(struct grf_softc *gp) 721 { 722 char *ba = gp->g_regkva; 723 724 /* 725 * we'll put the pass-through on for cc ite and set Full Bandwidth bit 726 * on just in case it didn't work...but then it doesn't matter does 727 * it? =) 728 */ 729 RegOnpass(ba); 730 vgaw(ba, SEQ_ADDRESS, SEQ_ID_CLOCKING_MODE); 731 vgaw(ba, SEQ_ADDRESS_W, vgar(ba, SEQ_ADDRESS_W) | 0x20); 732 cl_blanked = 1; 733 } 734 #endif 735 736 int 737 cl_blank(struct grf_softc *gp, int on) 738 { 739 740 WSeq(gp->g_regkva, SEQ_ID_CLOCKING_MODE, on ? 0x01 : 0x21); 741 cl_blanked = !on; 742 return 0; 743 } 744 745 int 746 cl_isblank(struct grf_softc *gp) 747 { 748 749 return cl_blanked; 750 } 751 752 /* 753 * Change the mode of the display. 754 * Return a UNIX error number or 0 for success. 755 */ 756 int 757 cl_mode(register struct grf_softc *gp, u_long cmd, void *arg, u_long a2, int a3) 758 { 759 int error; 760 761 switch (cmd) { 762 case GM_GRFON: 763 error = cl_load_mon(gp, 764 (struct grfcltext_mode *) monitor_current) ? 0 : EINVAL; 765 return (error); 766 767 case GM_GRFOFF: 768 #ifndef CL5426CONSOLE 769 cl_off(gp); 770 #else 771 cl_load_mon(gp, &clconsole_mode); 772 #endif 773 return (0); 774 775 case GM_GRFCONFIG: 776 return (0); 777 778 case GM_GRFGETVMODE: 779 return (cl_getvmode(gp, (struct grfvideo_mode *) arg)); 780 781 case GM_GRFSETVMODE: 782 error = cl_setvmode(gp, *(unsigned *) arg); 783 if (!error && (gp->g_flags & GF_GRFON)) 784 cl_load_mon(gp, 785 (struct grfcltext_mode *) monitor_current); 786 return (error); 787 788 case GM_GRFGETNUMVM: 789 *(int *) arg = monitor_def_max; 790 return (0); 791 792 case GM_GRFIOCTL: 793 return (cl_ioctl(gp, a2, arg)); 794 795 default: 796 break; 797 } 798 799 return (EPASSTHROUGH); 800 } 801 802 int 803 cl_ioctl(register struct grf_softc *gp, u_long cmd, void *data) 804 { 805 switch (cmd) { 806 case GRFIOCGSPRITEPOS: 807 return (cl_getmousepos(gp, (struct grf_position *) data)); 808 809 case GRFIOCSSPRITEPOS: 810 return (cl_setmousepos(gp, (struct grf_position *) data)); 811 812 case GRFIOCSSPRITEINF: 813 return (cl_setspriteinfo(gp, (struct grf_spriteinfo *) data)); 814 815 case GRFIOCGSPRITEINF: 816 return (cl_getspriteinfo(gp, (struct grf_spriteinfo *) data)); 817 818 case GRFIOCGSPRITEMAX: 819 return (cl_getspritemax(gp, (struct grf_position *) data)); 820 821 case GRFIOCGETCMAP: 822 return (cl_getcmap(gp, (struct grf_colormap *) data)); 823 824 case GRFIOCPUTCMAP: 825 return (cl_putcmap(gp, (struct grf_colormap *) data)); 826 827 case GRFIOCBITBLT: 828 break; 829 830 case GRFTOGGLE: 831 return (cl_toggle(gp, 0)); 832 833 case GRFIOCSETMON: 834 return (cl_setmonitor(gp, (struct grfvideo_mode *) data)); 835 836 case GRFIOCBLANK: 837 return (cl_blank(gp, *(int *)data)); 838 839 } 840 return (EPASSTHROUGH); 841 } 842 843 int 844 cl_getmousepos(struct grf_softc *gp, struct grf_position *data) 845 { 846 data->x = cl_cursprite.pos.x; 847 data->y = cl_cursprite.pos.y; 848 return (0); 849 } 850 851 void 852 cl_writesprpos(volatile char *ba, short x, short y) 853 { 854 /* we want to use a 16-bit write to 3c4 so no macros used */ 855 volatile unsigned char *cwp; 856 volatile unsigned short *wp; 857 858 cwp = ba + 0x3c4; 859 wp = (volatile unsigned short *)cwp; 860 861 /* 862 * don't ask me why, but apparently you can't do a 16-bit write with 863 * x-position like with y-position below (dagge) 864 */ 865 cwp[0] = 0x10 | ((x << 5) & 0xff); 866 cwp[1] = (x >> 3) & 0xff; 867 868 *wp = 0x1100 | ((y & 7) << 13) | ((y >> 3) & 0xff); 869 } 870 871 void 872 writeshifted(volatile char *to, signed char shiftx, signed char shifty) 873 { 874 int y; 875 unsigned long long *tptr, *iptr, *mptr, line; 876 877 tptr = (unsigned long long *) __UNVOLATILE(to); 878 iptr = (unsigned long long *) cl_cursprite.image; 879 mptr = (unsigned long long *) cl_cursprite.mask; 880 881 shiftx = shiftx < 0 ? 0 : shiftx; 882 shifty = shifty < 0 ? 0 : shifty; 883 884 /* start reading shifty lines down, and 885 * shift each line in by shiftx 886 */ 887 for (y = shifty; y < 64; y++) { 888 889 /* image */ 890 line = iptr[y]; 891 *tptr++ = line << shiftx; 892 893 /* mask */ 894 line = mptr[y]; 895 *tptr++ = line << shiftx; 896 } 897 898 /* clear the remainder */ 899 for (y = shifty; y > 0; y--) { 900 *tptr++ = 0; 901 *tptr++ = 0; 902 } 903 } 904 905 int 906 cl_setmousepos(struct grf_softc *gp, struct grf_position *data) 907 { 908 volatile char *ba = gp->g_regkva; 909 short rx, ry; 910 #ifdef CL_SHIFTSPRITE 911 volatile char *fb = gp->g_fbkva; 912 volatile char *sprite = fb + (cl_fbsize - 1024); 913 #endif 914 915 /* no movement */ 916 if (cl_cursprite.pos.x == data->x && cl_cursprite.pos.y == data->y) 917 return (0); 918 919 /* current and previous real coordinates */ 920 rx = data->x - cl_cursprite.hot.x; 921 ry = data->y - cl_cursprite.hot.y; 922 923 /* 924 * if we are/were on an edge, create (un)shifted bitmap -- 925 * ripped out optimization (not extremely worthwhile, 926 * and kind of buggy anyhow). 927 */ 928 #ifdef CL_SHIFTSPRITE 929 if (rx < 0 || ry < 0 || prx < 0 || pry < 0) { 930 writeshifted(sprite, rx < 0 ? -rx : 0, ry < 0 ? -ry : 0); 931 } 932 #endif 933 934 /* do movement, save position */ 935 cl_writesprpos(ba, rx < 0 ? 0 : rx, ry < 0 ? 0 : ry); 936 cl_cursprite.pos.x = data->x; 937 cl_cursprite.pos.y = data->y; 938 939 return (0); 940 } 941 942 int 943 cl_getspriteinfo(struct grf_softc *gp, struct grf_spriteinfo *data) 944 { 945 copyout(&cl_cursprite, data, sizeof(struct grf_spriteinfo)); 946 copyout(cl_cursprite.image, data->image, 64 * 8); 947 copyout(cl_cursprite.mask, data->mask, 64 * 8); 948 return (0); 949 } 950 951 static int 952 cl_setspriteinfo(struct grf_softc *gp, struct grf_spriteinfo *data) 953 { 954 volatile unsigned char *ba = gp->g_regkva, *fb = gp->g_fbkva; 955 volatile char *sprite = fb + (cl_fbsize - 1024); 956 957 if (data->set & GRFSPRSET_SHAPE) { 958 959 unsigned short dsx, dsy, i; 960 unsigned long *di, *dm, *si, *sm; 961 unsigned long ssi[128], ssm[128]; 962 struct grf_position gpos; 963 964 965 /* check for a too large sprite (no clipping!) */ 966 dsy = data->size.y; 967 dsx = data->size.x; 968 if (dsy > 64 || dsx > 64) 969 return(EINVAL); 970 971 /* prepare destination */ 972 di = (unsigned long *)cl_cursprite.image; 973 dm = (unsigned long *)cl_cursprite.mask; 974 cl_memset((unsigned char *)di, 0, 8*64); 975 cl_memset((unsigned char *)dm, 0, 8*64); 976 977 /* two alternatives: 64 across, then it's 978 * the same format we use, just copy. Otherwise, 979 * copy into tmp buf and recopy skipping the 980 * unused 32 bits. 981 */ 982 if ((dsx - 1) / 32) { 983 copyin(data->image, di, 8 * dsy); 984 copyin(data->mask, dm, 8 * dsy); 985 } else { 986 si = ssi; sm = ssm; 987 copyin(data->image, si, 4 * dsy); 988 copyin(data->mask, sm, 4 * dsy); 989 for (i = 0; i < dsy; i++) { 990 *di = *si++; 991 *dm = *sm++; 992 di += 2; 993 dm += 2; 994 } 995 } 996 997 /* set size */ 998 cl_cursprite.size.x = data->size.x; 999 cl_cursprite.size.y = data->size.y; 1000 1001 /* forcably load into board */ 1002 gpos.x = cl_cursprite.pos.x; 1003 gpos.y = cl_cursprite.pos.y; 1004 cl_cursprite.pos.x = -1; 1005 cl_cursprite.pos.y = -1; 1006 writeshifted(sprite, 0, 0); 1007 cl_setmousepos(gp, &gpos); 1008 1009 } 1010 if (data->set & GRFSPRSET_HOT) { 1011 1012 cl_cursprite.hot = data->hot; 1013 1014 } 1015 if (data->set & GRFSPRSET_CMAP) { 1016 1017 u_char red[2], green[2], blue[2]; 1018 1019 copyin(data->cmap.red, red, 2); 1020 copyin(data->cmap.green, green, 2); 1021 copyin(data->cmap.blue, blue, 2); 1022 memcpy(cl_cursprite.cmap.red, red, 2); 1023 memcpy(cl_cursprite.cmap.green, green, 2); 1024 memcpy(cl_cursprite.cmap.blue, blue, 2); 1025 1026 /* enable and load colors 256 & 257 */ 1027 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x06); 1028 1029 /* 256 */ 1030 vgaw(ba, VDAC_ADDRESS_W, 0x00); 1031 if (cltype == PICASSO) { 1032 vgaw(ba, VDAC_DATA, (u_char) (red[0] >> 2)); 1033 vgaw(ba, VDAC_DATA, (u_char) (green[0] >> 2)); 1034 vgaw(ba, VDAC_DATA, (u_char) (blue[0] >> 2)); 1035 } else { 1036 vgaw(ba, VDAC_DATA, (u_char) (blue[0] >> 2)); 1037 vgaw(ba, VDAC_DATA, (u_char) (green[0] >> 2)); 1038 vgaw(ba, VDAC_DATA, (u_char) (red[0] >> 2)); 1039 } 1040 1041 /* 257 */ 1042 vgaw(ba, VDAC_ADDRESS_W, 0x0f); 1043 if (cltype == PICASSO) { 1044 vgaw(ba, VDAC_DATA, (u_char) (red[1] >> 2)); 1045 vgaw(ba, VDAC_DATA, (u_char) (green[1] >> 2)); 1046 vgaw(ba, VDAC_DATA, (u_char) (blue[1] >> 2)); 1047 } else { 1048 vgaw(ba, VDAC_DATA, (u_char) (blue[1] >> 2)); 1049 vgaw(ba, VDAC_DATA, (u_char) (green[1] >> 2)); 1050 vgaw(ba, VDAC_DATA, (u_char) (red[1] >> 2)); 1051 } 1052 1053 /* turn on/off sprite */ 1054 if (cl_cursprite.enable) { 1055 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x05); 1056 } else { 1057 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x04); 1058 } 1059 1060 } 1061 if (data->set & GRFSPRSET_ENABLE) { 1062 1063 if (data->enable == 1) { 1064 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x05); 1065 cl_cursprite.enable = 1; 1066 } else { 1067 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x04); 1068 cl_cursprite.enable = 0; 1069 } 1070 1071 } 1072 if (data->set & GRFSPRSET_POS) { 1073 1074 /* force placement */ 1075 cl_cursprite.pos.x = -1; 1076 cl_cursprite.pos.y = -1; 1077 1078 /* do it */ 1079 cl_setmousepos(gp, &data->pos); 1080 1081 } 1082 return (0); 1083 } 1084 1085 static int 1086 cl_getspritemax(struct grf_softc *gp, struct grf_position *data) 1087 { 1088 if (gp->g_display.gd_planes == 24) 1089 return (EINVAL); 1090 data->x = 64; 1091 data->y = 64; 1092 return (0); 1093 } 1094 1095 int 1096 cl_setmonitor(struct grf_softc *gp, struct grfvideo_mode *gv) 1097 { 1098 struct grfvideo_mode *md; 1099 1100 if (!cl_mondefok(gv)) 1101 return(EINVAL); 1102 1103 #ifdef CL5426CONSOLE 1104 /* handle interactive setting of console mode */ 1105 if (gv->mode_num == 255) { 1106 memcpy(&clconsole_mode.gv, gv, sizeof(struct grfvideo_mode)); 1107 clconsole_mode.gv.hblank_start /= 8; 1108 clconsole_mode.gv.hsync_start /= 8; 1109 clconsole_mode.gv.hsync_stop /= 8; 1110 clconsole_mode.gv.htotal /= 8; 1111 clconsole_mode.rows = gv->disp_height / clconsole_mode.fy; 1112 clconsole_mode.cols = gv->disp_width / clconsole_mode.fx; 1113 if (!(gp->g_flags & GF_GRFON)) 1114 cl_load_mon(gp, &clconsole_mode); 1115 #if NITE > 0 1116 ite_reinit(gp->g_itedev); 1117 #endif 1118 return (0); 1119 } 1120 #endif 1121 1122 md = monitor_def + (gv->mode_num - 1); 1123 memcpy(md, gv, sizeof(struct grfvideo_mode)); 1124 1125 /* adjust pixel oriented values to internal rep. */ 1126 1127 md->hblank_start /= 8; 1128 md->hsync_start /= 8; 1129 md->hsync_stop /= 8; 1130 md->htotal /= 8; 1131 1132 return (0); 1133 } 1134 1135 int 1136 cl_getcmap(struct grf_softc *gfp, struct grf_colormap *cmap) 1137 { 1138 volatile unsigned char *ba; 1139 u_char red[256], green[256], blue[256], *rp, *gp, *bp; 1140 short x; 1141 int error; 1142 1143 if (cmap->count == 0 || cmap->index >= 256) 1144 return 0; 1145 1146 if (cmap->count > 256 - cmap->index) 1147 cmap->count = 256 - cmap->index; 1148 1149 ba = gfp->g_regkva; 1150 /* first read colors out of the chip, then copyout to userspace */ 1151 vgaw(ba, VDAC_ADDRESS_R, cmap->index); 1152 x = cmap->count - 1; 1153 1154 /* 1155 * Some sort 'o Magic. Spectrum has some changes on the board to speed 1156 * up 15 and 16Bit modes. They can access these modes with easy-to-program 1157 * rgbrgbrgb instead of rrrgggbbb. Side effect: when in 8Bit mode, rgb 1158 * is swapped to bgr. I wonder if we need to check for 8Bit though, ill 1159 */ 1160 1161 /* 1162 * The source for the above comment is somewhat unknown to me. 1163 * The Spectrum, Piccolo and PiccoloSD64 have the analog Red and Blue 1164 * lines swapped. In 24BPP this provides RGB instead of BGR as it would 1165 * be native to the chipset. This requires special programming for the 1166 * CLUT in 8BPP to compensate and avoid false colors. 1167 * I didn't find any special stuff for 15 and 16BPP though, crest. 1168 */ 1169 1170 switch (cltype) { 1171 case SPECTRUM: 1172 case PICCOLO: 1173 rp = blue + cmap->index; 1174 gp = green + cmap->index; 1175 bp = red + cmap->index; 1176 break; 1177 case PICASSO: 1178 rp = red + cmap->index; 1179 gp = green + cmap->index; 1180 bp = blue + cmap->index; 1181 break; 1182 default: 1183 rp = gp = bp = 0; 1184 break; 1185 } 1186 1187 do { 1188 *rp++ = vgar(ba, VDAC_DATA) << 2; 1189 *gp++ = vgar(ba, VDAC_DATA) << 2; 1190 *bp++ = vgar(ba, VDAC_DATA) << 2; 1191 } while (x-- > 0); 1192 1193 if (!(error = copyout(red + cmap->index, cmap->red, cmap->count)) 1194 && !(error = copyout(green + cmap->index, cmap->green, cmap->count)) 1195 && !(error = copyout(blue + cmap->index, cmap->blue, cmap->count))) 1196 return (0); 1197 1198 return (error); 1199 } 1200 1201 int 1202 cl_putcmap(struct grf_softc *gfp, struct grf_colormap *cmap) 1203 { 1204 volatile unsigned char *ba; 1205 u_char red[256], green[256], blue[256], *rp, *gp, *bp; 1206 short x; 1207 int error; 1208 1209 if (cmap->count == 0 || cmap->index >= 256) 1210 return (0); 1211 1212 if (cmap->count > 256 - cmap->index) 1213 cmap->count = 256 - cmap->index; 1214 1215 /* first copy the colors into kernelspace */ 1216 if (!(error = copyin(cmap->red, red + cmap->index, cmap->count)) 1217 && !(error = copyin(cmap->green, green + cmap->index, cmap->count)) 1218 && !(error = copyin(cmap->blue, blue + cmap->index, cmap->count))) { 1219 ba = gfp->g_regkva; 1220 vgaw(ba, VDAC_ADDRESS_W, cmap->index); 1221 x = cmap->count - 1; 1222 1223 switch (cltype) { 1224 case SPECTRUM: 1225 case PICCOLO: 1226 rp = blue + cmap->index; 1227 gp = green + cmap->index; 1228 bp = red + cmap->index; 1229 break; 1230 case PICASSO: 1231 rp = red + cmap->index; 1232 gp = green + cmap->index; 1233 bp = blue + cmap->index; 1234 break; 1235 default: 1236 rp = gp = bp = 0; 1237 break; 1238 } 1239 1240 do { 1241 vgaw(ba, VDAC_DATA, *rp++ >> 2); 1242 vgaw(ba, VDAC_DATA, *gp++ >> 2); 1243 vgaw(ba, VDAC_DATA, *bp++ >> 2); 1244 } while (x-- > 0); 1245 return (0); 1246 } else 1247 return (error); 1248 } 1249 1250 1251 int 1252 cl_toggle(struct grf_softc *gp, unsigned short wopp) 1253 /* wopp: don't need that one yet, ill */ 1254 { 1255 volatile void *ba; 1256 1257 ba = gp->g_regkva; 1258 1259 if (cl_pass_toggle) { 1260 RegOffpass(ba); 1261 } else { 1262 RegOnpass(ba); 1263 } 1264 return (0); 1265 } 1266 1267 static void 1268 cl_CompFQ(u_int fq, u_char *num, u_char *denom, u_char *clkdoub) 1269 { 1270 #define OSC 14318180 1271 /* OK, here's what we're doing here: 1272 * 1273 * OSC * NUMERATOR 1274 * VCLK = ------------------- Hz 1275 * DENOMINATOR * (1+P) 1276 * 1277 * so we're given VCLK and we should give out some useful 1278 * values.... 1279 * 1280 * NUMERATOR is 7 bits wide 1281 * DENOMINATOR is 5 bits wide with bit P in the same char as bit 0. 1282 * 1283 * We run through all the possible combinations and 1284 * return the values which deviate the least from the chosen frequency. 1285 * 1286 */ 1287 #define OSC 14318180 1288 #define count(n,d,p) ((OSC * n)/(d * (1+p))) 1289 1290 unsigned char n, d, p, minn, mind, minp = 0; 1291 unsigned long err, minerr; 1292 1293 /* 1294 numer = 0x00 - 0x7f 1295 denom = 0x00 - 0x1f (1) 0x20 - 0x3e (even) 1296 */ 1297 1298 /* find lowest error in 6144 iterations. */ 1299 minerr = fq; 1300 minn = 0; 1301 mind = 0; 1302 p = 0; 1303 1304 if ((cl_64bit == 1) && (fq >= 86000000)) 1305 { 1306 for (d = 1; d < 0x20; d++) { 1307 for (n = 1; n < 0x80; n++) { 1308 err = abs(count(n, d, 0) - fq); 1309 if (err < minerr) { 1310 minerr = err; 1311 minn = n; 1312 mind = d; 1313 minp = 1; 1314 } 1315 } 1316 } 1317 *clkdoub = 1; 1318 } 1319 else { 1320 for (d = 1; d < 0x20; d++) { 1321 for (n = 1; n < 0x80; n++) { 1322 err = abs(count(n, d, p) - fq); 1323 if (err < minerr) { 1324 minerr = err; 1325 minn = n; 1326 mind = d; 1327 minp = p; 1328 } 1329 } 1330 if (d == 0x1f && p == 0) { 1331 p = 1; 1332 d = 0x0f; 1333 } 1334 } 1335 *clkdoub = 0; 1336 } 1337 1338 *num = minn; 1339 *denom = (mind << 1) | minp; 1340 if (minerr > 500000) 1341 printf("Warning: CompFQ minimum error = %ld\n", minerr); 1342 return; 1343 } 1344 1345 int 1346 cl_mondefok(struct grfvideo_mode *gv) 1347 { 1348 unsigned long maxpix; 1349 1350 if (gv->mode_num < 1 || gv->mode_num > monitor_def_max) 1351 if (gv->mode_num != 255 || gv->depth != 4) 1352 return(0); 1353 1354 switch (gv->depth) { 1355 case 4: 1356 if (gv->mode_num != 255) 1357 return(0); 1358 case 1: 1359 case 8: 1360 maxpix = cl_maxpixelclock; 1361 if (cl_64bit == 1) 1362 { 1363 if (cltype == PICASSO) /* Picasso IV */ 1364 maxpix = 135000000; 1365 else /* Piccolo SD64 */ 1366 maxpix = 110000000; 1367 } 1368 break; 1369 case 15: 1370 case 16: 1371 if (cl_64bit == 1) 1372 maxpix = 85000000; 1373 else 1374 maxpix = cl_maxpixelclock - (cl_maxpixelclock / 3); 1375 break; 1376 case 24: 1377 if ((cltype == PICASSO) && (cl_64bit == 1)) 1378 maxpix = 85000000; 1379 else 1380 maxpix = cl_maxpixelclock / 3; 1381 break; 1382 case 32: 1383 if ((cltype == PICCOLO) && (cl_64bit == 1)) 1384 maxpix = 50000000; 1385 else 1386 maxpix = 0; 1387 break; 1388 default: 1389 printf("grfcl: Illegal depth in mode %d\n", 1390 (int) gv->mode_num); 1391 return (0); 1392 } 1393 1394 if (gv->pixel_clock > maxpix) { 1395 printf("grfcl: Pixelclock too high in mode %d\n", 1396 (int) gv->mode_num); 1397 return (0); 1398 } 1399 1400 if (gv->disp_flags & GRF_FLAGS_SYNC_ON_GREEN) { 1401 printf("grfcl: sync-on-green is not supported\n"); 1402 return (0); 1403 } 1404 1405 return (1); 1406 } 1407 1408 int 1409 cl_load_mon(struct grf_softc *gp, struct grfcltext_mode *md) 1410 { 1411 struct grfvideo_mode *gv; 1412 struct grfinfo *gi; 1413 volatile void *ba, *fb; 1414 unsigned char num0, denom0, clkdoub; 1415 unsigned short HT, HDE, HBS, HBE, HSS, HSE, VDE, VBS, VBE, VSS, 1416 VSE, VT; 1417 int clkmul, clkmode; 1418 int vmul; 1419 int sr15; 1420 unsigned char hvsync_pulse; 1421 char TEXT; 1422 1423 /* identity */ 1424 gv = &md->gv; 1425 TEXT = (gv->depth == 4); 1426 1427 if (!cl_mondefok(gv)) { 1428 printf("grfcl: Monitor definition not ok\n"); 1429 return (0); 1430 } 1431 1432 ba = gp->g_regkva; 1433 fb = gp->g_fbkva; 1434 1435 /* provide all needed information in grf device-independent locations */ 1436 gp->g_data = (void *) gv; 1437 gi = &gp->g_display; 1438 gi->gd_regaddr = (void *) kvtop(__UNVOLATILE(ba)); 1439 gi->gd_regsize = 64 * 1024; 1440 gi->gd_fbaddr = (void *) kvtop(__UNVOLATILE(fb)); 1441 gi->gd_fbsize = cl_fbsize; 1442 gi->gd_colors = 1 << gv->depth; 1443 gi->gd_planes = gv->depth; 1444 gi->gd_fbwidth = gv->disp_width; 1445 gi->gd_fbheight = gv->disp_height; 1446 gi->gd_fbx = 0; 1447 gi->gd_fby = 0; 1448 if (TEXT) { 1449 gi->gd_dwidth = md->fx * md->cols; 1450 gi->gd_dheight = md->fy * md->rows; 1451 } else { 1452 gi->gd_dwidth = gv->disp_width; 1453 gi->gd_dheight = gv->disp_height; 1454 } 1455 gi->gd_dx = 0; 1456 gi->gd_dy = 0; 1457 1458 /* get display mode parameters */ 1459 1460 HBS = gv->hblank_start; 1461 HSS = gv->hsync_start; 1462 HSE = gv->hsync_stop; 1463 HBE = gv->htotal - 1; 1464 HT = gv->htotal; 1465 VBS = gv->vblank_start; 1466 VSS = gv->vsync_start; 1467 VSE = gv->vsync_stop; 1468 VBE = gv->vtotal - 1; 1469 VT = gv->vtotal; 1470 1471 if (TEXT) 1472 HDE = ((gv->disp_width + md->fx - 1) / md->fx) - 1; 1473 else 1474 HDE = (gv->disp_width + 3) / 8 - 1; /* HBS; */ 1475 VDE = gv->disp_height - 1; 1476 1477 /* adjustments */ 1478 switch (gv->depth) { 1479 case 8: 1480 clkmul = 1; 1481 clkmode = 0x0; 1482 break; 1483 case 15: 1484 case 16: 1485 clkmul = 1; 1486 clkmode = 0x6; 1487 break; 1488 case 24: 1489 if ((cltype == PICASSO) && (cl_64bit == 1)) /* Picasso IV */ 1490 clkmul = 1; 1491 else 1492 clkmul = 3; 1493 clkmode = 0x4; 1494 break; 1495 case 32: 1496 clkmul = 1; 1497 clkmode = 0x8; 1498 break; 1499 default: 1500 clkmul = 1; 1501 clkmode = 0x0; 1502 break; 1503 } 1504 1505 if ((VT > 1023) && (!(gv->disp_flags & GRF_FLAGS_LACE))) { 1506 WCrt(ba, CRT_ID_MODE_CONTROL, 0xe7); 1507 } else 1508 WCrt(ba, CRT_ID_MODE_CONTROL, 0xe3); 1509 1510 vmul = 2; 1511 if ((VT > 1023) || (gv->disp_flags & GRF_FLAGS_LACE)) 1512 vmul = 1; 1513 if (gv->disp_flags & GRF_FLAGS_DBLSCAN) 1514 vmul = 4; 1515 1516 VDE = VDE * vmul / 2; 1517 VBS = VBS * vmul / 2; 1518 VSS = VSS * vmul / 2; 1519 VSE = VSE * vmul / 2; 1520 VBE = VBE * vmul / 2; 1521 VT = VT * vmul / 2; 1522 1523 WSeq(ba, SEQ_ID_MEMORY_MODE, (TEXT || (gv->depth == 1)) ? 0x06 : 0x0e); 1524 if (cl_64bit == 1) { 1525 if (TEXT || (gv->depth == 1)) 1526 sr15 = 0xd0; 1527 else 1528 sr15 = ((cl_fbsize / 0x100000 == 2) ? 0x38 : 0xb8); 1529 WSeq(ba, SEQ_ID_CONF_RBACK, 0x00); 1530 } else { 1531 sr15 = (TEXT || (gv->depth == 1)) ? 0xd0 : 0xb0; 1532 sr15 &= ((cl_fbsize / 0x100000) == 2) ? 0xff : 0x7f; 1533 } 1534 WSeq(ba, SEQ_ID_DRAM_CNTL, sr15); 1535 WGfx(ba, GCT_ID_READ_MAP_SELECT, 0x00); 1536 WSeq(ba, SEQ_ID_MAP_MASK, (gv->depth == 1) ? 0x01 : 0xff); 1537 WSeq(ba, SEQ_ID_CHAR_MAP_SELECT, 0x00); 1538 1539 /* Set clock */ 1540 1541 cl_CompFQ(gv->pixel_clock * clkmul, &num0, &denom0, &clkdoub); 1542 1543 /* Horizontal/Vertical Sync Pulse */ 1544 hvsync_pulse = vgar(ba, GREG_MISC_OUTPUT_R); 1545 if (gv->disp_flags & GRF_FLAGS_PHSYNC) 1546 hvsync_pulse &= ~0x40; 1547 else 1548 hvsync_pulse |= 0x40; 1549 if (gv->disp_flags & GRF_FLAGS_PVSYNC) 1550 hvsync_pulse &= ~0x80; 1551 else 1552 hvsync_pulse |= 0x80; 1553 vgaw(ba, GREG_MISC_OUTPUT_W, hvsync_pulse); 1554 1555 if (clkdoub) { 1556 HDE /= 2; 1557 HBS /= 2; 1558 HSS /= 2; 1559 HSE /= 2; 1560 HBE /= 2; 1561 HT /= 2; 1562 clkmode = 0x6; 1563 } 1564 1565 WSeq(ba, SEQ_ID_VCLK_3_NUM, num0); 1566 WSeq(ba, SEQ_ID_VCLK_3_DENOM, denom0); 1567 1568 /* load display parameters into board */ 1569 1570 WCrt(ba, CRT_ID_HOR_TOTAL, HT); 1571 WCrt(ba, CRT_ID_HOR_DISP_ENA_END, ((HDE >= HBS) ? HBS - 1 : HDE)); 1572 WCrt(ba, CRT_ID_START_HOR_BLANK, HBS); 1573 WCrt(ba, CRT_ID_END_HOR_BLANK, (HBE & 0x1f) | 0x80); /* | 0x80? */ 1574 WCrt(ba, CRT_ID_START_HOR_RETR, HSS); 1575 WCrt(ba, CRT_ID_END_HOR_RETR, 1576 (HSE & 0x1f) | 1577 ((HBE & 0x20) ? 0x80 : 0x00)); 1578 WCrt(ba, CRT_ID_VER_TOTAL, VT); 1579 WCrt(ba, CRT_ID_OVERFLOW, 1580 0x10 | 1581 ((VT & 0x100) ? 0x01 : 0x00) | 1582 ((VDE & 0x100) ? 0x02 : 0x00) | 1583 ((VSS & 0x100) ? 0x04 : 0x00) | 1584 ((VBS & 0x100) ? 0x08 : 0x00) | 1585 ((VT & 0x200) ? 0x20 : 0x00) | 1586 ((VDE & 0x200) ? 0x40 : 0x00) | 1587 ((VSS & 0x200) ? 0x80 : 0x00)); 1588 1589 WCrt(ba, CRT_ID_CHAR_HEIGHT, 1590 0x40 | /* TEXT ? 0x00 ??? */ 1591 ((gv->disp_flags & GRF_FLAGS_DBLSCAN) ? 0x80 : 0x00) | 1592 ((VBS & 0x200) ? 0x20 : 0x00) | 1593 (TEXT ? ((md->fy - 1) & 0x1f) : 0x00)); 1594 1595 /* text cursor */ 1596 1597 if (TEXT) { 1598 #if CL_ULCURSOR 1599 WCrt(ba, CRT_ID_CURSOR_START, (md->fy & 0x1f) - 2); 1600 WCrt(ba, CRT_ID_CURSOR_END, (md->fy & 0x1f) - 1); 1601 #else 1602 WCrt(ba, CRT_ID_CURSOR_START, 0x00); 1603 WCrt(ba, CRT_ID_CURSOR_END, md->fy & 0x1f); 1604 #endif 1605 WCrt(ba, CRT_ID_UNDERLINE_LOC, (md->fy - 1) & 0x1f); 1606 1607 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, 0x00); 1608 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, 0x00); 1609 } 1610 WCrt(ba, CRT_ID_START_ADDR_HIGH, 0x00); 1611 WCrt(ba, CRT_ID_START_ADDR_LOW, 0x00); 1612 1613 WCrt(ba, CRT_ID_START_VER_RETR, VSS); 1614 WCrt(ba, CRT_ID_END_VER_RETR, (VSE & 0x0f) | 0x20); 1615 WCrt(ba, CRT_ID_VER_DISP_ENA_END, VDE); 1616 WCrt(ba, CRT_ID_START_VER_BLANK, VBS); 1617 WCrt(ba, CRT_ID_END_VER_BLANK, VBE); 1618 1619 WCrt(ba, CRT_ID_LINE_COMPARE, 0xff); 1620 WCrt(ba, CRT_ID_LACE_END, HT / 2); /* MW/16 */ 1621 WCrt(ba, CRT_ID_LACE_CNTL, 1622 ((gv->disp_flags & GRF_FLAGS_LACE) ? 0x01 : 0x00) | 1623 ((HBE & 0x40) ? 0x10 : 0x00) | 1624 ((HBE & 0x80) ? 0x20 : 0x00) | 1625 ((VBE & 0x100) ? 0x40 : 0x00) | 1626 ((VBE & 0x200) ? 0x80 : 0x00)); 1627 1628 WGfx(ba, GCT_ID_GRAPHICS_MODE, 1629 ((TEXT || (gv->depth == 1)) ? 0x00 : 0x40)); 1630 WGfx(ba, GCT_ID_MISC, (TEXT ? 0x04 : 0x01)); 1631 1632 WSeq(ba, SEQ_ID_EXT_SEQ_MODE, 1633 ((TEXT || (gv->depth == 1)) ? 0x00 : 0x01) | 1634 ((cltype == PICASSO) ? 0x20 : 0x80) | clkmode); 1635 1636 /* write 0x00 to VDAC_MASK before accessing HDR this helps 1637 sometimes, out of "secret" application note (crest) */ 1638 vgaw(ba, VDAC_MASK, 0); 1639 /* reset HDR "magic" access counter (crest) */ 1640 vgar(ba, VDAC_ADDRESS); 1641 1642 delay(200000); 1643 vgar(ba, VDAC_MASK); 1644 delay(200000); 1645 vgar(ba, VDAC_MASK); 1646 delay(200000); 1647 vgar(ba, VDAC_MASK); 1648 delay(200000); 1649 vgar(ba, VDAC_MASK); 1650 delay(200000); 1651 switch (gv->depth) { 1652 case 1: 1653 case 4: /* text */ 1654 vgaw(ba, VDAC_MASK, 0); 1655 HDE = gv->disp_width / 16; 1656 break; 1657 case 8: 1658 if (clkdoub) 1659 vgaw(ba, VDAC_MASK, 0x4a); /* Clockdouble Magic */ 1660 else 1661 vgaw(ba, VDAC_MASK, 0); 1662 HDE = gv->disp_width / 8; 1663 break; 1664 case 15: 1665 vgaw(ba, VDAC_MASK, 0xd0); 1666 HDE = gv->disp_width / 4; 1667 break; 1668 case 16: 1669 vgaw(ba, VDAC_MASK, 0xc1); 1670 HDE = gv->disp_width / 4; 1671 break; 1672 case 24: 1673 vgaw(ba, VDAC_MASK, 0xc5); 1674 HDE = (gv->disp_width / 8) * 3; 1675 break; 1676 case 32: 1677 vgaw(ba, VDAC_MASK, 0xc5); 1678 HDE = (gv->disp_width / 4); 1679 break; 1680 } 1681 1682 /* reset HDR "magic" access counter (crest) */ 1683 vgar(ba, VDAC_ADDRESS); 1684 /* then enable all bit in VDAC_MASK afterwards (crest) */ 1685 vgaw(ba, VDAC_MASK, 0xff); 1686 1687 WCrt(ba, CRT_ID_OFFSET, HDE); 1688 if (cl_64bit == 1) { 1689 WCrt(ba, CRT_ID_SYNC_ADJ_GENLOCK, 0x00); 1690 WCrt(ba, CRT_ID_OVERLAY_EXT_CTRL_REG, 0x40); 1691 } 1692 WCrt(ba, CRT_ID_EXT_DISP_CNTL, 1693 ((TEXT && gv->pixel_clock > 29000000) ? 0x40 : 0x00) | 1694 0x22 | 1695 ((HDE > 0xff) ? 0x10 : 0x00)); 1696 1697 WAttr(ba, ACT_ID_ATTR_MODE_CNTL, (TEXT ? 0x0a : 0x01)); 1698 WAttr(ba, 0x20 | ACT_ID_COLOR_PLANE_ENA, 1699 (gv->depth == 1) ? 0x01 : 0x0f); 1700 1701 /* text initialization */ 1702 1703 if (TEXT) { 1704 cl_inittextmode(gp); 1705 } 1706 WSeq(ba, SEQ_ID_CURSOR_ATTR, 0x14); 1707 WSeq(ba, SEQ_ID_CLOCKING_MODE, 0x01); 1708 cl_blanked = 0; 1709 1710 /* Pass-through */ 1711 1712 RegOffpass(ba); 1713 1714 return (1); 1715 } 1716 1717 void 1718 cl_inittextmode(struct grf_softc *gp) 1719 { 1720 struct grfcltext_mode *tm = (struct grfcltext_mode *) gp->g_data; 1721 volatile unsigned char *ba = gp->g_regkva; 1722 unsigned char *fb = __UNVOLATILE(gp->g_fbkva); 1723 unsigned char *c, *f, y; 1724 unsigned short z; 1725 1726 1727 /* load text font into beginning of display memory. Each character 1728 * cell is 32 bytes long (enough for 4 planes) */ 1729 1730 SetTextPlane(ba, 0x02); 1731 cl_memset(fb, 0, 256 * 32); 1732 c = (unsigned char *) (fb) + (32 * tm->fdstart); 1733 f = tm->fdata; 1734 for (z = tm->fdstart; z <= tm->fdend; z++, c += (32 - tm->fy)) 1735 for (y = 0; y < tm->fy; y++) 1736 *c++ = *f++; 1737 1738 /* clear out text/attr planes (three screens worth) */ 1739 1740 SetTextPlane(ba, 0x01); 1741 cl_memset(fb, 0x07, tm->cols * tm->rows * 3); 1742 SetTextPlane(ba, 0x00); 1743 cl_memset(fb, 0x20, tm->cols * tm->rows * 3); 1744 1745 /* print out a little init msg */ 1746 1747 c = (unsigned char *) (fb) + (tm->cols - 16); 1748 strcpy(c, "CIRRUS"); 1749 c[6] = 0x20; 1750 1751 /* set colors (B&W) */ 1752 1753 vgaw(ba, VDAC_ADDRESS_W, 0); 1754 for (z = 0; z < 256; z++) { 1755 unsigned char r, g, b; 1756 1757 y = (z & 1) ? ((z > 7) ? 2 : 1) : 0; 1758 1759 if (cltype == PICASSO) { 1760 r = clconscolors[y][0]; 1761 g = clconscolors[y][1]; 1762 b = clconscolors[y][2]; 1763 } else { 1764 b = clconscolors[y][0]; 1765 g = clconscolors[y][1]; 1766 r = clconscolors[y][2]; 1767 } 1768 vgaw(ba, VDAC_DATA, r >> 2); 1769 vgaw(ba, VDAC_DATA, g >> 2); 1770 vgaw(ba, VDAC_DATA, b >> 2); 1771 } 1772 } 1773 1774 void 1775 cl_memset(unsigned char *d, unsigned char c, int l) 1776 { 1777 for (; l > 0; l--) 1778 *d++ = c; 1779 } 1780 1781 /* 1782 * Special wakeup/passthrough registers on graphics boards 1783 * 1784 * The methods have diverged a bit for each board, so 1785 * WPass(P) has been converted into a set of specific 1786 * inline functions. 1787 */ 1788 static void 1789 RegWakeup(volatile void *ba) 1790 { 1791 1792 switch (cltype) { 1793 case SPECTRUM: 1794 vgaw(ba, PASS_ADDRESS_W, 0x1f); 1795 break; 1796 case PICASSO: 1797 /* Picasso needs no wakeup */ 1798 break; 1799 case PICCOLO: 1800 if (cl_64bit == 1) 1801 vgaw(ba, PASS_ADDRESS_W, 0x1f); 1802 else 1803 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x10); 1804 break; 1805 } 1806 delay(200000); 1807 } 1808 1809 static void 1810 RegOnpass(volatile void *ba) 1811 { 1812 1813 switch (cltype) { 1814 case SPECTRUM: 1815 vgaw(ba, PASS_ADDRESS_W, 0x4f); 1816 break; 1817 case PICASSO: 1818 if (cl_64bit == 0) 1819 vgaw(ba, PASS_ADDRESS_WP, 0x01); 1820 break; 1821 case PICCOLO: 1822 if (cl_64bit == 1) 1823 vgaw(ba, PASS_ADDRESS_W, 0x4f); 1824 else 1825 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) & 0xdf); 1826 break; 1827 } 1828 cl_pass_toggle = 1; 1829 delay(200000); 1830 } 1831 1832 static void 1833 RegOffpass(volatile void *ba) 1834 { 1835 1836 switch (cltype) { 1837 case SPECTRUM: 1838 vgaw(ba, PASS_ADDRESS_W, 0x6f); 1839 break; 1840 case PICASSO: 1841 if (cl_64bit == 0) 1842 vgaw(ba, PASS_ADDRESS_W, 0xff); 1843 break; 1844 case PICCOLO: 1845 if (cl_64bit == 1) 1846 vgaw(ba, PASS_ADDRESS_W, 0x6f); 1847 else 1848 vgaw(ba, PASS_ADDRESS_W, vgar(ba, PASS_ADDRESS) | 0x20); 1849 break; 1850 } 1851 cl_pass_toggle = 0; 1852 delay(200000); 1853 } 1854 1855 #if NWSDISPLAY > 0 1856 static void 1857 cl_wscursor(void *c, int on, int row, int col) 1858 { 1859 struct rasops_info *ri; 1860 struct vcons_screen *scr; 1861 struct grf_softc *gp; 1862 volatile void *ba; 1863 int offs; 1864 1865 ri = c; 1866 scr = ri->ri_hw; 1867 gp = scr->scr_cookie; 1868 ba = gp->g_regkva; 1869 1870 if ((ri->ri_flg & RI_CURSOR) && !on) { 1871 /* cursor was visible, but we want to remove it */ 1872 /*WCrt(ba, CRT_ID_CURSOR_START, | 0x20);*/ 1873 ri->ri_flg &= ~RI_CURSOR; 1874 } 1875 1876 ri->ri_crow = row; 1877 ri->ri_ccol = col; 1878 1879 if (on) { 1880 /* move cursor to new location */ 1881 if (!(ri->ri_flg & RI_CURSOR)) { 1882 /*WCrt(ba, CRT_ID_CURSOR_START, | 0x20);*/ 1883 ri->ri_flg |= RI_CURSOR; 1884 } 1885 offs = gp->g_rowoffset[row] + col; 1886 WCrt(ba, CRT_ID_CURSOR_LOC_LOW, offs & 0xff); 1887 WCrt(ba, CRT_ID_CURSOR_LOC_HIGH, offs >> 8); 1888 } 1889 } 1890 1891 static void 1892 cl_wsputchar(void *c, int row, int col, u_int ch, long attr) 1893 { 1894 struct rasops_info *ri; 1895 struct vcons_screen *scr; 1896 struct grf_softc *gp; 1897 volatile unsigned char *ba, *cp; 1898 1899 ri = c; 1900 scr = ri->ri_hw; 1901 gp = scr->scr_cookie; 1902 ba = gp->g_regkva; 1903 cp = gp->g_fbkva; 1904 1905 cp += gp->g_rowoffset[row] + col; 1906 SetTextPlane(ba, 0x00); 1907 *cp = ch; 1908 SetTextPlane(ba, 0x01); 1909 *cp = attr; 1910 } 1911 1912 static void 1913 cl_wscopycols(void *c, int row, int srccol, int dstcol, int ncols) 1914 { 1915 volatile unsigned char *ba, *dst, *src; 1916 struct rasops_info *ri; 1917 struct vcons_screen *scr; 1918 struct grf_softc *gp; 1919 int i; 1920 1921 KASSERT(ncols > 0); 1922 ri = c; 1923 scr = ri->ri_hw; 1924 gp = scr->scr_cookie; 1925 ba = gp->g_regkva; 1926 src = gp->g_fbkva; 1927 1928 src += gp->g_rowoffset[row]; 1929 dst = src; 1930 src += srccol; 1931 dst += dstcol; 1932 if (srccol < dstcol) { 1933 /* need to copy backwards */ 1934 src += ncols; 1935 dst += ncols; 1936 SetTextPlane(ba, 0x00); 1937 for (i = 0; i < ncols; i++) 1938 *(--dst) = *(--src); 1939 src += ncols; 1940 dst += ncols; 1941 SetTextPlane(ba, 0x01); 1942 for (i = 0; i < ncols; i++) 1943 *(--dst) = *(--src); 1944 } else { 1945 SetTextPlane(ba, 0x00); 1946 for (i = 0; i < ncols; i++) 1947 *dst++ = *src++; 1948 src -= ncols; 1949 dst -= ncols; 1950 SetTextPlane(ba, 0x01); 1951 for (i = 0; i < ncols; i++) 1952 *dst++ = *src++; 1953 } 1954 } 1955 1956 static void 1957 cl_wserasecols(void *c, int row, int startcol, int ncols, long fillattr) 1958 { 1959 volatile unsigned char *ba, *cp; 1960 struct rasops_info *ri; 1961 struct vcons_screen *scr; 1962 struct grf_softc *gp; 1963 int i; 1964 1965 ri = c; 1966 scr = ri->ri_hw; 1967 gp = scr->scr_cookie; 1968 ba = gp->g_regkva; 1969 cp = gp->g_fbkva; 1970 1971 cp += gp->g_rowoffset[row] + startcol; 1972 SetTextPlane(ba, 0x00); 1973 for (i = 0; i < ncols; i++) 1974 *cp++ = 0x20; 1975 cp -= ncols; 1976 SetTextPlane(ba, 0x01); 1977 for (i = 0; i < ncols; i++) 1978 *cp++ = 0x07; 1979 } 1980 1981 static void 1982 cl_wscopyrows(void *c, int srcrow, int dstrow, int nrows) 1983 { 1984 volatile unsigned char *ba, *dst, *src; 1985 struct rasops_info *ri; 1986 struct vcons_screen *scr; 1987 struct grf_softc *gp; 1988 int i, n; 1989 1990 KASSERT(nrows > 0); 1991 ri = c; 1992 scr = ri->ri_hw; 1993 gp = scr->scr_cookie; 1994 ba = gp->g_regkva; 1995 src = dst = gp->g_fbkva; 1996 n = ri->ri_cols * nrows; 1997 1998 if (srcrow < dstrow) { 1999 /* need to copy backwards */ 2000 src += gp->g_rowoffset[srcrow + nrows]; 2001 dst += gp->g_rowoffset[dstrow + nrows]; 2002 SetTextPlane(ba, 0x00); 2003 for (i = 0; i < n; i++) 2004 *(--dst) = *(--src); 2005 src += n; 2006 dst += n; 2007 SetTextPlane(ba, 0x01); 2008 for (i = 0; i < n; i++) 2009 *(--dst) = *(--src); 2010 } else { 2011 src += gp->g_rowoffset[srcrow]; 2012 dst += gp->g_rowoffset[dstrow]; 2013 SetTextPlane(ba, 0x00); 2014 for (i = 0; i < n; i++) 2015 *dst++ = *src++; 2016 src -= n; 2017 dst -= n; 2018 SetTextPlane(ba, 0x01); 2019 for (i = 0; i < n; i++) 2020 *dst++ = *src++; 2021 } 2022 } 2023 2024 static void 2025 cl_wseraserows(void *c, int row, int nrows, long fillattr) 2026 { 2027 volatile unsigned char *ba, *cp; 2028 struct rasops_info *ri; 2029 struct vcons_screen *scr; 2030 struct grf_softc *gp; 2031 int i, n; 2032 2033 ri = c; 2034 scr = ri->ri_hw; 2035 gp = scr->scr_cookie; 2036 ba = gp->g_regkva; 2037 cp = gp->g_fbkva; 2038 2039 cp += gp->g_rowoffset[row]; 2040 n = ri->ri_cols * nrows; 2041 SetTextPlane(ba, 0x00); 2042 for (i = 0; i < n; i++) 2043 *cp++ = 0x20; 2044 cp -= n; 2045 SetTextPlane(ba, 0x01); 2046 for (i = 0; i < n; i++) 2047 *cp++ = 0x07; 2048 } 2049 2050 static int 2051 cl_wsallocattr(void *c, int fg, int bg, int flg, long *attr) 2052 { 2053 2054 /* XXX color support? */ 2055 *attr = (flg & WSATTR_REVERSE) ? 0x70 : 0x07; 2056 if (flg & WSATTR_UNDERLINE) *attr = 0x01; 2057 if (flg & WSATTR_HILIT) *attr |= 0x08; 2058 if (flg & WSATTR_BLINK) *attr |= 0x80; 2059 return 0; 2060 } 2061 2062 /* our font does not support unicode extensions */ 2063 static int 2064 cl_wsmapchar(void *c, int ch, unsigned int *cp) 2065 { 2066 2067 if (ch > 0 && ch < 256) { 2068 *cp = ch; 2069 return 5; 2070 } 2071 *cp = ' '; 2072 return 0; 2073 } 2074 2075 static int 2076 cl_wsioctl(void *v, void *vs, u_long cmd, void *data, int flag, struct lwp *l) 2077 { 2078 struct vcons_data *vd; 2079 struct grf_softc *gp; 2080 2081 vd = v; 2082 gp = vd->cookie; 2083 2084 switch (cmd) { 2085 case WSDISPLAYIO_GETCMAP: 2086 /* Note: wsdisplay_cmap and grf_colormap have same format */ 2087 if (gp->g_display.gd_planes == 8) 2088 return cl_getcmap(gp, (struct grf_colormap *)data); 2089 return EINVAL; 2090 2091 case WSDISPLAYIO_PUTCMAP: 2092 /* Note: wsdisplay_cmap and grf_colormap have same format */ 2093 if (gp->g_display.gd_planes == 8) 2094 return cl_putcmap(gp, (struct grf_colormap *)data); 2095 return EINVAL; 2096 2097 case WSDISPLAYIO_GVIDEO: 2098 if (cl_isblank(gp)) 2099 *(u_int *)data = WSDISPLAYIO_VIDEO_OFF; 2100 else 2101 *(u_int *)data = WSDISPLAYIO_VIDEO_ON; 2102 return 0; 2103 2104 case WSDISPLAYIO_SVIDEO: 2105 return cl_blank(gp, *(u_int *)data == WSDISPLAYIO_VIDEO_ON); 2106 2107 case WSDISPLAYIO_SMODE: 2108 if ((*(int *)data) != gp->g_wsmode) { 2109 if (*(int *)data == WSDISPLAYIO_MODE_EMUL) { 2110 /* load console text mode, redraw screen */ 2111 (void)cl_load_mon(gp, &clconsole_mode); 2112 if (vd->active != NULL) 2113 vcons_redraw_screen(vd->active); 2114 } else { 2115 /* switch to current graphics mode */ 2116 if (!cl_load_mon(gp, 2117 (struct grfcltext_mode *)monitor_current)) 2118 return EINVAL; 2119 } 2120 gp->g_wsmode = *(int *)data; 2121 } 2122 return 0; 2123 2124 case WSDISPLAYIO_GET_FBINFO: 2125 return cl_get_fbinfo(gp, data); 2126 } 2127 2128 /* handle this command hw-independent in grf(4) */ 2129 return grf_wsioctl(v, vs, cmd, data, flag, l); 2130 } 2131 2132 /* 2133 * Fill the wsdisplayio_fbinfo structure with information from the current 2134 * graphics mode. Even when text mode is active. 2135 */ 2136 static int 2137 cl_get_fbinfo(struct grf_softc *gp, struct wsdisplayio_fbinfo *fbi) 2138 { 2139 struct grfvideo_mode *md; 2140 uint32_t rbits, gbits, bbits; 2141 2142 md = monitor_current; 2143 2144 switch (md->depth) { 2145 case 8: 2146 fbi->fbi_bitsperpixel = 8; 2147 rbits = gbits = bbits = 6; /* keep gcc happy */ 2148 break; 2149 case 15: 2150 fbi->fbi_bitsperpixel = 16; 2151 rbits = gbits = bbits = 5; 2152 break; 2153 case 16: 2154 fbi->fbi_bitsperpixel = 16; 2155 rbits = bbits = 5; 2156 gbits = 6; 2157 break; 2158 case 24: 2159 fbi->fbi_bitsperpixel = 24; 2160 rbits = gbits = bbits = 8; 2161 break; 2162 default: 2163 return EINVAL; 2164 } 2165 2166 fbi->fbi_stride = (fbi->fbi_bitsperpixel / 8) * md->disp_width; 2167 fbi->fbi_width = md->disp_width; 2168 fbi->fbi_height = md->disp_height; 2169 2170 if (md->depth > 8) { 2171 fbi->fbi_pixeltype = WSFB_RGB; 2172 fbi->fbi_subtype.fbi_rgbmasks.red_offset = bbits + gbits; 2173 fbi->fbi_subtype.fbi_rgbmasks.red_size = rbits; 2174 fbi->fbi_subtype.fbi_rgbmasks.green_offset = bbits; 2175 fbi->fbi_subtype.fbi_rgbmasks.green_size = gbits; 2176 fbi->fbi_subtype.fbi_rgbmasks.blue_offset = 0; 2177 fbi->fbi_subtype.fbi_rgbmasks.blue_size = bbits; 2178 fbi->fbi_subtype.fbi_rgbmasks.alpha_offset = 0; 2179 fbi->fbi_subtype.fbi_rgbmasks.alpha_size = 0; 2180 } else { 2181 fbi->fbi_pixeltype = WSFB_CI; 2182 fbi->fbi_subtype.fbi_cmapinfo.cmap_entries = 1 << md->depth; 2183 } 2184 2185 fbi->fbi_flags = 0; 2186 fbi->fbi_fbsize = fbi->fbi_stride * fbi->fbi_height; 2187 fbi->fbi_fboffset = 0; 2188 return 0; 2189 } 2190 #endif /* NWSDISPLAY > 0 */ 2191 2192 #endif /* NGRFCL */ 2193