amidisplaycc.c revision 1.10
1 /* $NetBSD: amidisplaycc.c,v 1.10 2002/10/02 04:55:48 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Jukka Andberg. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <sys/cdefs.h> 31 __KERNEL_RCSID(0, "$NetBSD: amidisplaycc.c,v 1.10 2002/10/02 04:55:48 thorpej Exp $"); 32 33 /* 34 * wscons interface to amiga custom chips. Contains the necessary functions 35 * to render text on bitmapped screens. Uses the functions defined in 36 * grfabs_reg.h for display creation/destruction and low level setup. 37 * 38 * For each virtual terminal a new screen ('view') is allocated. 39 * Also one more is allocated for the mapped screen on demand. 40 */ 41 42 #include "amidisplaycc.h" 43 #include "grfcc.h" 44 #include "view.h" 45 #include "opt_amigaccgrf.h" 46 47 #if NAMIDISPLAYCC>0 48 49 #include <sys/param.h> 50 #include <sys/types.h> 51 #include <sys/device.h> 52 #include <sys/malloc.h> 53 #include <sys/systm.h> 54 55 #include <sys/conf.h> 56 57 #include <amiga/dev/grfabs_reg.h> 58 #include <amiga/dev/viewioctl.h> 59 #include <amiga/amiga/device.h> 60 #include <dev/wscons/wsconsio.h> 61 #include <dev/rcons/raster.h> 62 #include <dev/wscons/wscons_raster.h> 63 #include <dev/wscons/wsdisplayvar.h> 64 #include <dev/cons.h> 65 #include <dev/wsfont/wsfont.h> 66 67 #include <machine/stdarg.h> 68 69 #define AMIDISPLAYCC_MAXFONTS 8 70 71 /* These can be lowered if you are sure you dont need that much colors. */ 72 #define MAXDEPTH 8 73 #define MAXROWS 128 74 #define MAXCOLUMNS 80 75 76 #define ADJUSTCOLORS 77 78 #define MAXCOLORS (1<<MAXDEPTH) 79 80 struct amidisplaycc_screen; 81 struct amidisplaycc_softc 82 { 83 struct device dev; 84 85 /* runtime-loaded fonts */ 86 struct wsdisplay_font fonts[AMIDISPLAYCC_MAXFONTS]; 87 88 struct amidisplaycc_screen * currentscreen; 89 90 /* display turned on? */ 91 int ison; 92 93 /* stuff relating to the mapped screen */ 94 view_t * gfxview; 95 int gfxwidth; 96 int gfxheight; 97 int gfxdepth; 98 int gfxon; 99 }; 100 101 102 /* 103 * Configuration stuff. 104 */ 105 106 static int amidisplaycc_match(struct device *, struct cfdata *, void *); 107 static void amidisplaycc_attach(struct device *, struct device *, void *); 108 109 CFATTACH_DECL(amidisplaycc, sizeof(struct amidisplaycc_softc), 110 amidisplaycc_match, amidisplaycc_attach, NULL, NULL); 111 112 cons_decl(amidisplaycc_); 113 114 /* end of configuration stuff */ 115 116 /* private utility functions */ 117 118 static int amidisplaycc_setvideo(struct amidisplaycc_softc *, int); 119 120 static int amidisplaycc_setemulcmap(struct amidisplaycc_screen *, 121 struct wsdisplay_cmap *); 122 123 static int amidisplaycc_cmapioctl(view_t *, u_long, struct wsdisplay_cmap *); 124 static int amidisplaycc_setcmap(view_t *, struct wsdisplay_cmap *); 125 static int amidisplaycc_getcmap(view_t *, struct wsdisplay_cmap *); 126 static int amidisplaycc_gfxscreen(struct amidisplaycc_softc *, int); 127 128 static int amidisplaycc_setnamedfont(struct amidisplaycc_screen *, char *); 129 static void amidisplaycc_setfont(struct amidisplaycc_screen *, 130 struct wsdisplay_font *, int); 131 static struct wsdisplay_font *amidisplaycc_findfont(struct amidisplaycc_softc *, 132 const char *, int, int); 133 134 static void dprintf(const char *fmt, ...); 135 136 /* end of private utility functions */ 137 138 /* emulops for wscons */ 139 void amidisplaycc_cursor(void *, int, int, int); 140 int amidisplaycc_mapchar(void *, int, unsigned int *); 141 void amidisplaycc_putchar(void *, int, int, u_int, long); 142 void amidisplaycc_copycols(void *, int, int, int, int); 143 void amidisplaycc_erasecols(void *, int, int, int, long); 144 void amidisplaycc_copyrows(void *, int, int, int); 145 void amidisplaycc_eraserows(void *, int, int, long); 146 int amidisplaycc_allocattr(void *, int, int, int, long *); 147 /* end of emulops for wscons */ 148 149 150 /* accessops for wscons */ 151 int amidisplaycc_ioctl(void *, u_long, caddr_t, int, struct proc *); 152 paddr_t amidisplaycc_mmap(void *, off_t, int); 153 int amidisplaycc_alloc_screen(void *, const struct wsscreen_descr *, void **, 154 int *, int *, long *); 155 void amidisplaycc_free_screen( void *, void *); 156 int amidisplaycc_show_screen(void *, void *, int, void (*)(void *, int, int), 157 void *); 158 int amidisplaycc_load_font(void *, void *, struct wsdisplay_font *); 159 void amidisplaycc_pollc(void *, int); 160 /* end of accessops for wscons */ 161 162 /* 163 * These structures are passed to wscons, and they contain the 164 * display-specific callback functions. 165 */ 166 167 const struct wsdisplay_accessops amidisplaycc_accessops = { 168 amidisplaycc_ioctl, 169 amidisplaycc_mmap, 170 amidisplaycc_alloc_screen, 171 amidisplaycc_free_screen, 172 amidisplaycc_show_screen, 173 amidisplaycc_load_font, 174 amidisplaycc_pollc 175 }; 176 177 const struct wsdisplay_emulops amidisplaycc_emulops = { 178 amidisplaycc_cursor, 179 amidisplaycc_mapchar, 180 amidisplaycc_putchar, 181 amidisplaycc_copycols, 182 amidisplaycc_erasecols, 183 amidisplaycc_copyrows, 184 amidisplaycc_eraserows, 185 amidisplaycc_allocattr 186 }; 187 188 /* add some of our own data to the wsscreen_descr */ 189 struct amidisplaycc_screen_descr { 190 struct wsscreen_descr wsdescr; 191 int depth; 192 char name[16]; 193 }; 194 195 /* 196 * List of supported screenmodes. Almost anything can be given here. 197 */ 198 199 #define ADCC_SCREEN(name, width, height, depth, fontwidth, fontheight) \ 200 /* CONSTCOND */ \ 201 {{ \ 202 name, \ 203 width / fontwidth, \ 204 height / fontheight, \ 205 &amidisplaycc_emulops, fontwidth, fontheight, \ 206 (depth > 1 ? WSSCREEN_WSCOLORS : 0) | WSSCREEN_REVERSE | \ 207 WSSCREEN_HILIT | WSSCREEN_UNDERLINE }, \ 208 depth } 209 210 struct amidisplaycc_screen_descr amidisplaycc_screentab[] = { 211 /* name, width, height, depth, fontwidth==8, fontheight */ 212 ADCC_SCREEN("80x50", 640, 400, 3, 8, 8), 213 ADCC_SCREEN("80x40", 640, 400, 3, 8, 10), 214 ADCC_SCREEN("80x25", 640, 400, 3, 8, 16), 215 ADCC_SCREEN("80x24", 640, 384, 3, 8, 16), 216 217 ADCC_SCREEN("640x400x1", 640, 400, 1, 8, 8), 218 ADCC_SCREEN("640x400x2", 640, 400, 2, 8, 8), 219 ADCC_SCREEN("640x400x3", 640, 400, 3, 8, 8), 220 221 ADCC_SCREEN("640x200x1", 640, 200, 1, 8, 8), 222 ADCC_SCREEN("640x200x1", 640, 200, 2, 8, 8), 223 ADCC_SCREEN("640x200x1", 640, 200, 3, 8, 8), 224 }; 225 226 #define ADCC_SCREENPTR(index) &amidisplaycc_screentab[index].wsdescr 227 const struct wsscreen_descr *amidisplaycc_screens[] = { 228 ADCC_SCREENPTR(0), 229 ADCC_SCREENPTR(1), 230 ADCC_SCREENPTR(2), 231 ADCC_SCREENPTR(3), 232 ADCC_SCREENPTR(4), 233 ADCC_SCREENPTR(5), 234 ADCC_SCREENPTR(6), 235 ADCC_SCREENPTR(7), 236 ADCC_SCREENPTR(8), 237 ADCC_SCREENPTR(9), 238 }; 239 240 #define NELEMS(arr) (sizeof(arr)/sizeof((arr)[0])) 241 242 /* 243 * This structure also is passed to wscons. It contains pointers 244 * to the available display modes. 245 */ 246 247 const struct wsscreen_list amidisplaycc_screenlist = { 248 sizeof(amidisplaycc_screens)/sizeof(amidisplaycc_screens[0]), 249 amidisplaycc_screens 250 }; 251 252 /* 253 * Our own screen structure. One will be created for each screen. 254 */ 255 256 struct amidisplaycc_screen 257 { 258 struct amidisplaycc_softc *device; 259 260 int isconsole; 261 int isvisible; 262 view_t * view; 263 264 int ncols; 265 int nrows; 266 267 int cursorrow; 268 int cursorcol; 269 270 /* Active bitplanes for each character row. */ 271 int rowmasks[MAXROWS]; 272 273 /* Mapping of colors to screen colors. */ 274 int colormap[MAXCOLORS]; 275 276 /* Copies of display parameters for convenience */ 277 int width; 278 int height; 279 int depth; 280 281 int widthbytes; /* bytes_per_row */ 282 int linebytes; /* widthbytes + row_mod */ 283 int rowbytes; /* linebytes * fontheight */ 284 285 u_char * planes[MAXDEPTH]; 286 287 u_char * savedscreen; 288 289 /* 290 * The font is either one we loaded ourselves, or 291 * one gotten using the wsfont system. 292 * 293 * wsfontcookie differentiates between them: 294 * For fonts loaded by ourselves it is -1. 295 * For wsfonts it contains a cookie for that system. 296 */ 297 struct wsdisplay_font * font; 298 int wsfontcookie; 299 int fontwidth; 300 int fontheight; 301 }; 302 303 typedef struct amidisplaycc_screen adccscr_t; 304 305 /* 306 * Need one statically allocated screen for early init. 307 * The rest are mallocated when needed. 308 */ 309 adccscr_t amidisplaycc_consolescreen; 310 311 312 /* 313 * Bring in the one or two builtin fonts. 314 */ 315 316 extern unsigned char kernel_font_8x8[]; 317 extern unsigned char kernel_font_lo_8x8; 318 extern unsigned char kernel_font_hi_8x8; 319 320 /* 321 * Default palettes for 2, 4 and 8 color emulation displays. 322 */ 323 324 /* black, grey */ 325 static u_char pal2red[] = { 0x00, 0xaa }; 326 static u_char pal2grn[] = { 0x00, 0xaa }; 327 static u_char pal2blu[] = { 0x00, 0xaa }; 328 329 /* black, red, green, grey */ 330 static u_char pal4red[] = { 0x00, 0xaa, 0x00, 0xaa }; 331 static u_char pal4grn[] = { 0x00, 0x00, 0xaa, 0xaa }; 332 static u_char pal4blu[] = { 0x00, 0x00, 0x00, 0xaa }; 333 334 /* black, red, green, brown, blue, magenta, cyan, grey */ 335 static u_char pal8red[] = { 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa, 0x00, 0xaa}; 336 static u_char pal8grn[] = { 0x00, 0x00, 0xaa, 0xaa, 0x00, 0x00, 0xaa, 0xaa}; 337 static u_char pal8blu[] = { 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa, 0xaa, 0xaa}; 338 339 static struct wsdisplay_cmap pal2 = { 0, 2, pal2red, pal2grn, pal2blu }; 340 static struct wsdisplay_cmap pal4 = { 0, 4, pal4red, pal4grn, pal4blu }; 341 static struct wsdisplay_cmap pal8 = { 0, 8, pal8red, pal8grn, pal8blu }; 342 343 #ifdef GRF_AGA 344 extern int aga_enable; 345 #else 346 static int aga_enable = 0; 347 #endif 348 349 /* 350 * This gets called at console init to determine the priority of 351 * this console device. 352 * 353 * Of course pointers to this and other functions must present 354 * in constab[] in conf.c for this to work. 355 */ 356 void 357 amidisplaycc_cnprobe(struct consdev *cd) 358 { 359 cd->cn_pri = CN_INTERNAL; 360 361 /* 362 * Yeah, real nice. But if we win the console then the wscons system 363 * does the proper initialization. 364 */ 365 cd->cn_dev = NODEV; 366 } 367 368 /* 369 * This gets called if this device is used as the console. 370 */ 371 void 372 amidisplaycc_cninit(struct consdev * cd) 373 { 374 void * cookie; 375 long attr; 376 int x; 377 int y; 378 379 /* Yeah, we got the console! */ 380 381 /* 382 * This will do the basic stuff we also need. 383 */ 384 config_console(); 385 386 grfcc_probe(); 387 388 #if NVIEW>0 389 viewprobe(); 390 #endif 391 392 /* 393 * Set up wscons to handle the details. 394 * It will then call us back when it needs something 395 * display-specific. It will also set up cn_tab properly, 396 * something which we failed to do at amidisplaycc_cnprobe(). 397 */ 398 399 /* 400 * The alloc_screen knows to allocate the first screen statically. 401 */ 402 amidisplaycc_alloc_screen(NULL, &amidisplaycc_screentab[0].wsdescr, 403 &cookie, &x, &y, &attr); 404 wsdisplay_cnattach(&amidisplaycc_screentab[0].wsdescr, 405 cookie, x, y, attr); 406 } 407 408 static int 409 amidisplaycc_match(struct device *pdp, struct cfdata *cfp, void *auxp) 410 { 411 char *name = auxp; 412 413 if (matchname("amidisplaycc", name) == 0) 414 return (0); 415 416 /* Allow only one of us now. Not sure about that. */ 417 if (cfp->cf_unit != 0) 418 return (0); 419 420 return 1; 421 } 422 423 /* ARGSUSED */ 424 static void 425 amidisplaycc_attach(struct device *pdp, struct device *dp, void *auxp) 426 { 427 struct wsemuldisplaydev_attach_args waa; 428 struct amidisplaycc_softc * adp; 429 430 adp = (struct amidisplaycc_softc*)dp; 431 432 grfcc_probe(); 433 434 #if NVIEW>0 435 viewprobe(); 436 #endif 437 438 /* 439 * Attach only at real configuration time. Console init is done at 440 * the amidisplaycc_cninit function above. 441 */ 442 if (adp) { 443 printf(": Amiga custom chip graphics %s", 444 aga_enable ? "(AGA)" : ""); 445 446 if (amidisplaycc_consolescreen.isconsole) { 447 adp->currentscreen = &amidisplaycc_consolescreen; 448 printf(" (console)"); 449 } else 450 adp->currentscreen = NULL; 451 452 printf("\n"); 453 454 adp->ison = 1; 455 456 /* 457 * Mapped screen properties. 458 * Would need a way to configure. 459 */ 460 adp->gfxview = NULL; 461 adp->gfxon = 0; 462 adp->gfxwidth = 640; 463 adp->gfxheight = 480; 464 465 if (aga_enable) 466 adp->gfxdepth = 8; 467 else 468 adp->gfxdepth = 4; 469 470 if (NELEMS(amidisplaycc_screentab) != 471 NELEMS(amidisplaycc_screens)) 472 panic("invalid screen definitions"); 473 474 waa.scrdata = &amidisplaycc_screenlist; 475 waa.console = amidisplaycc_consolescreen.isconsole; 476 waa.accessops = &amidisplaycc_accessops; 477 waa.accesscookie = dp; 478 config_found(dp, &waa, wsemuldisplaydevprint); 479 480 bzero(adp->fonts, sizeof(adp->fonts)); 481 482 /* Initialize an alternate system for finding fonts. */ 483 wsfont_init(); 484 } 485 } 486 487 488 /* 489 * Color, bgcolor and style are packed into one long attribute. 490 * These macros are used to create/split the attribute 491 */ 492 493 #define MAKEATTR(fg, bg, mode) (((fg)<<16) | ((bg)<<8) | (mode)) 494 #define ATTRFG(attr) (((attr)>>16) & 255) 495 #define ATTRBG(attr) (((attr)>>8) & 255) 496 #define ATTRMO(attr) ((attr) & 255) 497 498 /* 499 * Called by wscons to draw/clear the cursor. 500 * We do this by xorring the block to the screen. 501 * 502 * This simple implementation will break if the screen is modified 503 * under the cursor before clearing it. 504 */ 505 void 506 amidisplaycc_cursor(void *screen, int on, int row, int col) 507 { 508 adccscr_t * scr; 509 u_char * dst; 510 int i; 511 512 scr = screen; 513 514 if (row < 0 || col < 0 || row >= scr->nrows || col >= scr->ncols) 515 return; 516 517 if (!on && scr->cursorrow==-1 && scr->cursorcol==-1) 518 return; 519 520 if (!on) { 521 row = scr->cursorrow; 522 col = scr->cursorcol; 523 } 524 525 dst = scr->planes[0]; 526 dst += row * scr->rowbytes; 527 dst += col; 528 529 if (on) { 530 scr->cursorrow = row; 531 scr->cursorcol = col; 532 } else { 533 scr->cursorrow = -1; 534 scr->cursorcol = -1; 535 } 536 537 for (i = scr->fontheight ; i > 0 ; i--) { 538 *dst ^= 255; 539 dst += scr->linebytes; 540 } 541 } 542 543 544 /* 545 * This obviously does something important, don't ask me what. 546 */ 547 int 548 amidisplaycc_mapchar(void *screen, int ch, unsigned int *chp) 549 { 550 if (ch > 0 && ch < 256) { 551 *chp = ch; 552 return (5); 553 } 554 *chp = ' '; 555 return (0); 556 } 557 558 /* 559 * Write a character to screen with color / bgcolor / hilite(bold) / 560 * underline / reverse. 561 * Surely could be made faster but I'm not sure if its worth the 562 * effort as scrolling is at least a magnitude slower. 563 */ 564 void 565 amidisplaycc_putchar(void *screen, int row, int col, u_int ch, long attr) 566 { 567 adccscr_t * scr; 568 u_char * dst; 569 u_char * font; 570 571 int fontheight; 572 u_int8_t * fontreal; 573 int fontlow; 574 int fonthigh; 575 576 int bmapoffset; 577 int linebytes; 578 int underline; 579 int fgcolor; 580 int bgcolor; 581 int plane; 582 int depth; 583 int mode; 584 int bold; 585 u_char f; 586 int j; 587 588 scr = screen; 589 590 if (row < 0 || col < 0 || row >= scr->nrows || col >= scr->ncols) 591 return; 592 593 /* Extract the colors from the attribute */ 594 fgcolor = ATTRFG(attr); 595 bgcolor = ATTRBG(attr); 596 mode = ATTRMO(attr); 597 598 /* Translate to screen colors */ 599 fgcolor = scr->colormap[fgcolor]; 600 bgcolor = scr->colormap[bgcolor]; 601 602 if (mode & WSATTR_REVERSE) { 603 j = fgcolor; 604 fgcolor = bgcolor; 605 bgcolor = j; 606 } 607 608 bold = (mode & WSATTR_HILIT) > 0; 609 underline = (mode & WSATTR_UNDERLINE) > 0; 610 611 /* If we have loaded a font use it otherwise the builtin font */ 612 if (scr->font) { 613 fontreal = scr->font->data; 614 fontlow = scr->font->firstchar; 615 fonthigh = fontlow + scr->font->numchars - 1; 616 } else { 617 fontreal = kernel_font_8x8; 618 fontlow = kernel_font_lo_8x8; 619 fonthigh = kernel_font_hi_8x8; 620 } 621 622 fontheight = scr->fontheight; 623 depth = scr->depth; 624 linebytes = scr->linebytes; 625 626 if (ch < fontlow || ch > fonthigh) 627 ch = fontlow; 628 629 /* Find the location where the wanted char is in the font data */ 630 fontreal += scr->fontheight * (ch - fontlow); 631 632 bmapoffset = row * scr->rowbytes + col; 633 634 scr->rowmasks[row] |= fgcolor | bgcolor; 635 636 for (plane = 0 ; plane < depth ; plane++) { 637 dst = scr->planes[plane] + bmapoffset; 638 639 if (fgcolor & 1) { 640 if (bgcolor & 1) { 641 /* fg=on bg=on (fill) */ 642 643 for (j = 0 ; j < fontheight ; j++) { 644 *dst = 255; 645 dst += linebytes; 646 } 647 } else { 648 /* fg=on bg=off (normal) */ 649 650 font = fontreal; 651 for (j = 0 ; j < fontheight ; j++) { 652 f = *(font++); 653 f |= f >> bold; 654 *dst = f; 655 dst += linebytes; 656 } 657 658 if (underline) 659 *(dst - linebytes) = 255; 660 } 661 } else { 662 if (bgcolor & 1) { 663 /* fg=off bg=on (inverted) */ 664 665 font = fontreal; 666 for (j = 0 ; j < fontheight ; j++) { 667 f = *(font++); 668 f |= f >> bold; 669 *dst = ~f; 670 dst += linebytes; 671 } 672 673 if (underline) 674 *(dst - linebytes) = 0; 675 } else { 676 /* fg=off bg=off (clear) */ 677 678 for (j = 0 ; j < fontheight ; j++) { 679 *dst = 0; 680 dst += linebytes; 681 } 682 } 683 } 684 fgcolor >>= 1; 685 bgcolor >>= 1; 686 } 687 } 688 689 /* 690 * Copy characters on a row to another position on the same row. 691 */ 692 693 void 694 amidisplaycc_copycols(void *screen, int row, int srccol, int dstcol, int ncols) 695 { 696 adccscr_t * scr; 697 u_char * src; 698 u_char * dst; 699 700 int bmapoffset; 701 int linebytes; 702 int depth; 703 int plane; 704 int i; 705 int j; 706 707 scr = screen; 708 709 if (srccol < 0 || srccol + ncols > scr->ncols || 710 dstcol < 0 || dstcol + ncols > scr->ncols || 711 row < 0 || row >= scr->nrows) 712 return; 713 714 depth = scr->depth; 715 linebytes = scr->linebytes; 716 bmapoffset = row * scr->rowbytes; 717 718 for (plane = 0 ; plane < depth ; plane++) { 719 src = scr->planes[plane] + bmapoffset; 720 721 for (j = 0 ; j < scr->fontheight ; j++) { 722 dst = src; 723 724 if (srccol < dstcol) { 725 726 for (i = ncols - 1 ; i >= 0 ; i--) 727 dst[dstcol + i] = src[srccol + i]; 728 729 } else { 730 731 for (i = 0 ; i < ncols ; i++) 732 dst[dstcol + i] = src[srccol + i]; 733 734 } 735 src += linebytes; 736 } 737 } 738 } 739 740 /* 741 * Erase part of a row. 742 */ 743 744 void 745 amidisplaycc_erasecols(void *screen, int row, int startcol, int ncols, 746 long attr) 747 { 748 adccscr_t * scr; 749 u_char * dst; 750 751 int bmapoffset; 752 int linebytes; 753 int bgcolor; 754 int depth; 755 int plane; 756 int fill; 757 int j; 758 759 scr = screen; 760 761 if (row < 0 || row >= scr->nrows || 762 startcol < 0 || startcol + ncols > scr->ncols) 763 return; 764 765 depth = scr->depth; 766 linebytes = scr->linebytes; 767 bmapoffset = row * scr->rowbytes + startcol; 768 769 /* Erase will be done using the set background color. */ 770 bgcolor = ATTRBG(attr); 771 bgcolor = scr->colormap[bgcolor]; 772 773 for(plane = 0 ; plane < depth ; plane++) { 774 775 fill = (bgcolor & 1) ? 255 : 0; 776 777 dst = scr->planes[plane] + bmapoffset; 778 779 for (j = 0 ; j < scr->fontheight ; j++) { 780 memset(dst, fill, ncols); 781 dst += linebytes; 782 } 783 } 784 } 785 786 /* 787 * Copy a number of rows to another location on the screen. 788 * Combined with eraserows it can be used to perform operation 789 * also known as 'scrolling'. 790 */ 791 792 void 793 amidisplaycc_copyrows(void *screen, int srcrow, int dstrow, int nrows) 794 { 795 adccscr_t * scr; 796 u_char * src; 797 u_char * dst; 798 799 int srcbmapoffset; 800 int dstbmapoffset; 801 int widthbytes; 802 int fontheight; 803 int linebytes; 804 u_int copysize; 805 int rowdelta; 806 int rowbytes; 807 int srcmask; 808 int dstmask; 809 int bmdelta; 810 int depth; 811 int plane; 812 int i; 813 int j; 814 815 scr = screen; 816 817 if (srcrow < 0 || srcrow + nrows > scr->nrows || 818 dstrow < 0 || dstrow + nrows > scr->nrows) 819 return; 820 821 depth = scr->depth; 822 823 widthbytes = scr->widthbytes; 824 rowbytes = scr->rowbytes; 825 linebytes = scr->linebytes; 826 fontheight = scr->fontheight; 827 828 srcbmapoffset = rowbytes * srcrow; 829 dstbmapoffset = rowbytes * dstrow; 830 831 if (srcrow < dstrow) { 832 /* Move data downwards, need to copy from down to up */ 833 bmdelta = -rowbytes; 834 rowdelta = -1; 835 836 srcbmapoffset += rowbytes * (nrows - 1); 837 srcrow += nrows - 1; 838 839 dstbmapoffset += rowbytes * (nrows - 1); 840 dstrow += nrows - 1; 841 } else { 842 /* Move data upwards, copy up to down */ 843 bmdelta = rowbytes; 844 rowdelta = 1; 845 } 846 847 if (widthbytes == linebytes) 848 copysize = rowbytes; 849 else 850 copysize = 0; 851 852 for (j = 0 ; j < nrows ; j++) { 853 /* Need to copy only planes that have data on src or dst */ 854 srcmask = scr->rowmasks[srcrow]; 855 dstmask = scr->rowmasks[dstrow]; 856 scr->rowmasks[dstrow] = srcmask; 857 858 for (plane = 0 ; plane < depth ; plane++) { 859 860 if (srcmask & 1) { 861 /* 862 * Source row has data on this 863 * plane, copy it. 864 */ 865 866 src = scr->planes[plane] + srcbmapoffset; 867 dst = scr->planes[plane] + dstbmapoffset; 868 869 if (copysize > 0) { 870 871 memcpy(dst, src, copysize); 872 873 } else { 874 875 /* 876 * Data not continuous, 877 * must do in pieces 878 */ 879 for (i=0 ; i < fontheight ; i++) { 880 memcpy(dst, src, widthbytes); 881 882 src += linebytes; 883 dst += linebytes; 884 } 885 } 886 } else if (dstmask & 1) { 887 /* 888 * Source plane is empty, but dest is not. 889 * so all we need to is clear it. 890 */ 891 892 dst = scr->planes[plane] + dstbmapoffset; 893 894 if (copysize > 0) { 895 /* Do it all */ 896 bzero(dst, copysize); 897 } else { 898 for (i = 0 ; i < fontheight ; i++) { 899 bzero(dst, widthbytes); 900 dst += linebytes; 901 } 902 } 903 } 904 905 srcmask >>= 1; 906 dstmask >>= 1; 907 } 908 srcbmapoffset += bmdelta; 909 dstbmapoffset += bmdelta; 910 911 srcrow += rowdelta; 912 dstrow += rowdelta; 913 } 914 } 915 916 /* 917 * Erase some rows. 918 */ 919 920 void 921 amidisplaycc_eraserows(void *screen, int row, int nrows, long attr) 922 { 923 adccscr_t * scr; 924 u_char * dst; 925 926 int bmapoffset; 927 int fillsize; 928 int bgcolor; 929 int depth; 930 int plane; 931 int fill; 932 int j; 933 934 int widthbytes; 935 int linebytes; 936 int rowbytes; 937 938 939 scr = screen; 940 941 if (row < 0 || row + nrows > scr->nrows) 942 return; 943 944 depth = scr->depth; 945 widthbytes = scr->widthbytes; 946 linebytes = scr->linebytes; 947 rowbytes = scr->rowbytes; 948 949 bmapoffset = row * rowbytes; 950 951 if (widthbytes == linebytes) 952 fillsize = rowbytes * nrows; 953 else 954 fillsize = 0; 955 956 bgcolor = ATTRBG(attr); 957 bgcolor = scr->colormap[bgcolor]; 958 959 for (j = 0 ; j < nrows ; j++) 960 scr->rowmasks[row+j] = bgcolor; 961 962 for (plane = 0 ; plane < depth ; plane++) { 963 dst = scr->planes[plane] + bmapoffset; 964 fill = (bgcolor & 1) ? 255 : 0; 965 966 if (fillsize > 0) { 967 /* If the rows are continuous, write them all. */ 968 memset(dst, fill, fillsize); 969 } else { 970 for (j = 0 ; j < scr->fontheight * nrows ; j++) { 971 memset(dst, fill, widthbytes); 972 dst += linebytes; 973 } 974 } 975 bgcolor >>= 1; 976 } 977 } 978 979 980 /* 981 * Compose an attribute value from foreground color, 982 * background color, and flags. 983 */ 984 int 985 amidisplaycc_allocattr(void *screen, int fg, int bg, int flags, long *attrp) 986 { 987 adccscr_t * scr; 988 int maxcolor; 989 int newfg; 990 int newbg; 991 992 scr = screen; 993 maxcolor = (1 << scr->view->bitmap->depth) - 1; 994 995 /* Ensure the colors are displayable. */ 996 newfg = fg & maxcolor; 997 newbg = bg & maxcolor; 998 999 #ifdef ADJUSTCOLORS 1000 /* 1001 * Hack for low-color screens, if background color is nonzero 1002 * but would be displayed as one, adjust it. 1003 */ 1004 if (bg > 0 && newbg == 0) 1005 newbg = maxcolor; 1006 1007 /* 1008 * If foreground and background colors are different but would 1009 * display the same fix them by modifying the foreground. 1010 */ 1011 if (fg != bg && newfg == newbg) { 1012 if (newbg > 0) 1013 newfg = 0; 1014 else 1015 newfg = maxcolor; 1016 } 1017 #endif 1018 *attrp = MAKEATTR(newfg, newbg, flags); 1019 1020 return (0); 1021 } 1022 1023 int 1024 amidisplaycc_ioctl(void *dp, u_long cmd, caddr_t data, int flag, struct proc *p) 1025 { 1026 struct amidisplaycc_softc *adp; 1027 1028 adp = dp; 1029 1030 if (adp == NULL) { 1031 printf("amidisplaycc_ioctl: adp==NULL\n"); 1032 return (EINVAL); 1033 } 1034 1035 #define UINTDATA (*(u_int*)data) 1036 #define INTDATA (*(int*)data) 1037 #define FBINFO (*(struct wsdisplay_fbinfo*)data) 1038 1039 switch (cmd) 1040 { 1041 case WSDISPLAYIO_GTYPE: 1042 UINTDATA = WSDISPLAY_TYPE_AMIGACC; 1043 return (0); 1044 1045 case WSDISPLAYIO_SVIDEO: 1046 dprintf("amidisplaycc: WSDISPLAYIO_SVIDEO %s\n", 1047 UINTDATA ? "On" : "Off"); 1048 1049 return (amidisplaycc_setvideo(adp, UINTDATA)); 1050 1051 case WSDISPLAYIO_GVIDEO: 1052 dprintf("amidisplaycc: WSDISPLAYIO_GVIDEO\n"); 1053 UINTDATA = adp->ison ? 1054 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 1055 1056 return (0); 1057 1058 case WSDISPLAYIO_SMODE: 1059 if (INTDATA == WSDISPLAYIO_MODE_EMUL) 1060 return amidisplaycc_gfxscreen(adp, 0); 1061 if (INTDATA == WSDISPLAYIO_MODE_MAPPED) 1062 return amidisplaycc_gfxscreen(adp, 1); 1063 return (EINVAL); 1064 1065 case WSDISPLAYIO_GINFO: 1066 FBINFO.width = adp->gfxwidth; 1067 FBINFO.height = adp->gfxheight; 1068 FBINFO.depth = adp->gfxdepth; 1069 FBINFO.cmsize = 1 << FBINFO.depth; 1070 return (0); 1071 1072 case WSDISPLAYIO_PUTCMAP: 1073 case WSDISPLAYIO_GETCMAP: 1074 return (amidisplaycc_cmapioctl(adp->gfxview, 1075 cmd, 1076 (struct wsdisplay_cmap*)data)); 1077 } 1078 1079 dprintf("amidisplaycc: unknown ioctl %lx (grp:'%c' num:%d)\n", 1080 (long)cmd, 1081 (char)((cmd&0xff00)>>8), 1082 (int)(cmd&0xff)); 1083 1084 return (EPASSTHROUGH); 1085 1086 #undef UINTDATA 1087 #undef INTDATA 1088 #undef FBINFO 1089 } 1090 1091 1092 /* 1093 * Switch to either emulation (text) or mapped (graphics) mode 1094 * We keep an extra screen for mapped mode so it does not 1095 * interfere with emulation screens. 1096 * 1097 * Once the extra screen is created, it never goes away. 1098 */ 1099 1100 static int 1101 amidisplaycc_gfxscreen(struct amidisplaycc_softc *adp, int on) 1102 { 1103 dimen_t dimension; 1104 1105 dprintf("amidisplaycc: switching to %s mode.\n", 1106 on ? "mapped" : "emul"); 1107 1108 /* Current mode same as requested mode? */ 1109 if ( (on > 0) == (adp->gfxon > 0) ) 1110 return (0); 1111 1112 if (!on) { 1113 /* 1114 * Switch away from mapped mode. If there is 1115 * a emulation screen, switch to it, otherwise 1116 * just try to hide the mapped screen. 1117 */ 1118 adp->gfxon = 0; 1119 if (adp->currentscreen) 1120 grf_display_view(adp->currentscreen->view); 1121 else if (adp->gfxview) 1122 grf_remove_view(adp->gfxview); 1123 1124 return (0); 1125 } 1126 1127 /* switch to mapped mode then */ 1128 1129 if (adp->gfxview == NULL) { 1130 /* First time here, create the screen */ 1131 1132 dimension.width = adp->gfxwidth; 1133 dimension.height = adp->gfxheight; 1134 1135 dprintf("amidisplaycc: preparing mapped screen %dx%dx%d\n", 1136 dimension.width, 1137 dimension.height, 1138 adp->gfxdepth); 1139 1140 adp->gfxview = grf_alloc_view(NULL, 1141 &dimension, 1142 adp->gfxdepth); 1143 } 1144 1145 if (adp->gfxview) { 1146 adp->gfxon = 1; 1147 1148 grf_display_view(adp->gfxview); 1149 } else { 1150 printf("amidisplaycc: failed to make mapped screen\n"); 1151 return (ENOMEM); 1152 } 1153 return (0); 1154 } 1155 1156 /* 1157 * Map the graphics screen. It must have been created before 1158 * by switching to mapped mode by using an ioctl. 1159 */ 1160 paddr_t 1161 amidisplaycc_mmap(void *dp, off_t off, int prot) 1162 { 1163 struct amidisplaycc_softc * adp; 1164 bmap_t * bm; 1165 paddr_t rv; 1166 1167 adp = (struct amidisplaycc_softc*)dp; 1168 1169 /* Check we are in mapped mode */ 1170 if (adp->gfxon == 0 || adp->gfxview == NULL) { 1171 dprintf("amidisplaycc_mmap: Not in mapped mode\n"); 1172 return (paddr_t)(-1); 1173 } 1174 1175 /* 1176 * As we all know by now, we are mapping our special 1177 * screen here so our pretty text consoles are left 1178 * untouched. 1179 */ 1180 1181 bm = adp->gfxview->bitmap; 1182 1183 /* Check that the offset is valid */ 1184 if (off < 0 || off >= bm->depth * bm->bytes_per_row * bm->rows) { 1185 dprintf("amidisplaycc_mmap: Offset out of range\n"); 1186 return (paddr_t)(-1); 1187 } 1188 1189 rv = (paddr_t)bm->hardware_address; 1190 rv += off; 1191 1192 return (rv >> PGSHIFT); 1193 } 1194 1195 1196 /* 1197 * Create a new screen. 1198 * NULL dp signifies console and then memory is allocated statically 1199 * and the screen is automatically displayed. 1200 * 1201 * A font with suitable size is searched and if not found 1202 * the builtin 8x8 font is used. 1203 * 1204 * There are separate default palettes for 2, 4 and 8+ color 1205 * screens. 1206 */ 1207 1208 int 1209 amidisplaycc_alloc_screen(void *dp, const struct wsscreen_descr *screenp, 1210 void **cookiep, int *curxp, int *curyp, 1211 long *defattrp) 1212 { 1213 const struct amidisplaycc_screen_descr * adccscreenp; 1214 struct amidisplaycc_screen * scr; 1215 struct amidisplaycc_softc * adp; 1216 view_t * view; 1217 1218 dimen_t dimension; 1219 int fontheight; 1220 int fontwidth; 1221 int maxcolor; 1222 int depth; 1223 int i; 1224 int j; 1225 1226 adccscreenp = (const struct amidisplaycc_screen_descr *)screenp; 1227 depth = adccscreenp->depth; 1228 1229 adp = dp; 1230 1231 maxcolor = (1 << depth) - 1; 1232 1233 /* Sanity checks because of fixed buffers */ 1234 if (depth > MAXDEPTH || maxcolor >= MAXCOLORS) 1235 return (ENOMEM); 1236 if (screenp->nrows > MAXROWS) 1237 return (ENOMEM); 1238 1239 fontwidth = screenp->fontwidth; 1240 fontheight = screenp->fontheight; 1241 1242 if (fontwidth != 8) { 1243 dprintf("amidisplaycc_alloc_screen: fontwidth %d invalid.\n", 1244 fontwidth); 1245 return (EINVAL); 1246 } 1247 1248 /* 1249 * The screen size is defined in characters. 1250 * Calculate the pixel size using the font size. 1251 */ 1252 1253 dimension.width = screenp->ncols * fontwidth; 1254 dimension.height = screenp->nrows * fontheight; 1255 1256 view = grf_alloc_view(NULL, &dimension, depth); 1257 if (view == NULL) 1258 return (ENOMEM); 1259 1260 /* 1261 * First screen gets the statically allocated console screen. 1262 * Others are allocated dynamically. 1263 */ 1264 if (adp == NULL) { 1265 scr = &amidisplaycc_consolescreen; 1266 if (scr->isconsole) 1267 panic("more than one console?"); 1268 1269 scr->isconsole = 1; 1270 } else { 1271 scr = malloc(sizeof(adccscr_t), M_DEVBUF, M_WAITOK); 1272 bzero(scr, sizeof(adccscr_t)); 1273 } 1274 1275 scr->view = view; 1276 1277 scr->ncols = screenp->ncols; 1278 scr->nrows = screenp->nrows; 1279 1280 /* Copies of most used values */ 1281 scr->width = dimension.width; 1282 scr->height = dimension.height; 1283 scr->depth = depth; 1284 scr->widthbytes = view->bitmap->bytes_per_row; 1285 scr->linebytes = scr->widthbytes + view->bitmap->row_mod; 1286 scr->rowbytes = scr->linebytes * fontheight; 1287 1288 scr->device = adp; 1289 1290 1291 /* --- LOAD FONT --- */ 1292 1293 /* these need to be initialized befory trying to set font */ 1294 scr->font = NULL; 1295 scr->wsfontcookie = -1; 1296 scr->fontwidth = fontwidth; 1297 scr->fontheight = fontheight; 1298 1299 /* 1300 * Note that dont try to load font for the console (adp==NULL) 1301 * 1302 * Here we dont care which font we get as long as it is the 1303 * right size so pass NULL. 1304 */ 1305 if (adp) 1306 amidisplaycc_setnamedfont(scr, NULL); 1307 1308 /* 1309 * If no font found, use the builtin one. 1310 * It will look stupid if the wanted size was different. 1311 */ 1312 if (scr->font == NULL) { 1313 scr->fontwidth = 8; 1314 scr->fontheight = min(8, fontheight); 1315 } 1316 1317 /* --- LOAD FONT END --- */ 1318 1319 1320 for (i = 0 ; i < depth ; i++) { 1321 scr->planes[i] = view->bitmap->plane[i]; 1322 } 1323 1324 for (i = 0 ; i < MAXROWS ; i++) 1325 scr->rowmasks[i] = 0; 1326 1327 /* Simple one-to-one mapping for most colors */ 1328 for (i = 0 ; i < MAXCOLORS ; i++) 1329 scr->colormap[i] = i; 1330 1331 /* 1332 * Arrange the most used pens to quickest colors. 1333 * The default color for given depth is (1<<depth)-1. 1334 * It is assumed it is used most and it is mapped to 1335 * color that can be drawn by writing data to one bitplane 1336 * only. 1337 * So map colors 3->2, 7->4, 15->8 and so on. 1338 */ 1339 for (i = 2 ; i < MAXCOLORS ; i *= 2) { 1340 j = i * 2 - 1; 1341 1342 if (j < MAXCOLORS) { 1343 scr->colormap[i] = j; 1344 scr->colormap[j] = i; 1345 } 1346 } 1347 1348 /* 1349 * Set the default colormap. 1350 */ 1351 if (depth == 1) 1352 amidisplaycc_setemulcmap(scr, &pal2); 1353 else if (depth == 2) 1354 amidisplaycc_setemulcmap(scr, &pal4); 1355 else 1356 amidisplaycc_setemulcmap(scr, &pal8); 1357 1358 *cookiep = scr; 1359 1360 *curxp = 0; 1361 *curyp = 0; 1362 amidisplaycc_cursor(scr, 1, *curxp, *curyp); 1363 1364 *defattrp = MAKEATTR(maxcolor, 0, 0); 1365 1366 /* Show the console automatically */ 1367 if (adp == NULL) 1368 grf_display_view(scr->view); 1369 1370 if (adp) { 1371 dprintf("amidisplaycc: allocated screen; %dx%dx%d\n", 1372 dimension.width, 1373 dimension.height, 1374 depth); 1375 } 1376 1377 return (0); 1378 } 1379 1380 1381 /* 1382 * Destroy a screen. 1383 */ 1384 1385 void 1386 amidisplaycc_free_screen(void *dp, void *screen) 1387 { 1388 struct amidisplaycc_screen * scr; 1389 struct amidisplaycc_softc * adp; 1390 1391 scr = screen; 1392 adp = (struct amidisplaycc_softc*)adp; 1393 1394 if (scr == NULL) 1395 return; 1396 1397 /* Free the used font */ 1398 amidisplaycc_setfont(scr, NULL, -1); 1399 1400 if (adp->currentscreen == scr) 1401 adp->currentscreen = NULL; 1402 1403 if (scr->view) 1404 grf_free_view(scr->view); 1405 scr->view = NULL; 1406 1407 /* Take care not to free the statically allocated console screen */ 1408 if (scr != &amidisplaycc_consolescreen) { 1409 free(scr, M_DEVBUF); 1410 } 1411 } 1412 1413 /* 1414 * Switch to another vt. Switch is always made immediately. 1415 */ 1416 1417 /* ARGSUSED2 */ 1418 int 1419 amidisplaycc_show_screen(void *dp, void *screen, int waitok, 1420 void (*cb) (void *, int, int), void *cbarg) 1421 { 1422 adccscr_t *scr; 1423 struct amidisplaycc_softc *adp; 1424 1425 adp = (struct amidisplaycc_softc*)dp; 1426 scr = screen; 1427 1428 if (adp == NULL) { 1429 dprintf("amidisplaycc_show_screen: adp==NULL\n"); 1430 return (EINVAL); 1431 } 1432 if (scr == NULL) { 1433 dprintf("amidisplaycc_show_screen: scr==NULL\n"); 1434 return (EINVAL); 1435 } 1436 1437 if (adp->gfxon) { 1438 dprintf("amidisplaycc: Screen shift while in gfx mode?"); 1439 adp->gfxon = 0; 1440 } 1441 1442 adp->currentscreen = scr; 1443 adp->ison = 1; 1444 1445 grf_display_view(scr->view); 1446 1447 return (0); 1448 } 1449 1450 /* 1451 * Internal. Finds the font in our softc that has the desired attributes. 1452 * Or, if name is NULL, finds a free location for a new font. 1453 * Returns a pointer to font structure in softc or NULL for failure. 1454 * 1455 * Three possible forms: 1456 * findfont(adp, NULL, 0, 0) -- find first empty location 1457 * findfont(adp, NULL, x, y) -- find last font with given size 1458 * findfont(adp, name, x, y) -- find last font with given name and size 1459 * 1460 * Note that when finding an empty location first one found is returned, 1461 * however when finding an existing font, the last one matching is 1462 * returned. This is because fonts cannot be unloaded and the last 1463 * font on the list is the one added latest and thus probably preferred. 1464 * 1465 * Note also that this is the only function which makes assumptions 1466 * about the storage location for the fonts. 1467 */ 1468 static struct wsdisplay_font * 1469 amidisplaycc_findfont(struct amidisplaycc_softc *adp, const char *name, 1470 int width, int height) 1471 { 1472 struct wsdisplay_font * font; 1473 1474 int findempty; 1475 int f; 1476 1477 if (adp == NULL) { 1478 dprintf("amidisplaycc_findfont: NULL adp\n"); 1479 return NULL; 1480 } 1481 1482 findempty = (name == NULL) && (width == 0) && (height == 0); 1483 1484 font = NULL; 1485 1486 for (f = 0 ; f < AMIDISPLAYCC_MAXFONTS ; f++) { 1487 1488 if (findempty && adp->fonts[f].name == NULL) 1489 return &adp->fonts[f]; 1490 1491 if (!findempty && name == NULL && adp->fonts[f].name && 1492 adp->fonts[f].fontwidth == width && 1493 adp->fonts[f].fontheight == height) 1494 font = &adp->fonts[f]; 1495 1496 if (name && adp->fonts[f].name && 1497 strcmp(name, adp->fonts[f].name) == 0 && 1498 width == adp->fonts[f].fontwidth && 1499 height == adp->fonts[f].fontheight) 1500 font = &adp->fonts[f]; 1501 } 1502 1503 return (font); 1504 } 1505 1506 1507 /* 1508 * Set the font on a screen and free the old one. 1509 * Can be called with font of NULL to just free the 1510 * old one. 1511 * NULL font cannot be accompanied by valid cookie (!= -1) 1512 */ 1513 static void 1514 amidisplaycc_setfont(struct amidisplaycc_screen *scr, 1515 struct wsdisplay_font *font, int wsfontcookie) 1516 { 1517 if (scr == NULL) 1518 panic("amidisplaycc_setfont: scr==NULL"); 1519 if (font == NULL && wsfontcookie != -1) 1520 panic("amidisplaycc_setfont: no font but eat cookie"); 1521 if (scr->font == NULL && scr->wsfontcookie != -1) 1522 panic("amidisplaycc_setfont: no font but eat old cookie"); 1523 1524 scr->font = font; 1525 1526 if (scr->wsfontcookie != -1) 1527 wsfont_unlock(scr->wsfontcookie); 1528 1529 scr->wsfontcookie = wsfontcookie; 1530 } 1531 1532 /* 1533 * Try to find the named font and set the screen to use it. 1534 * Check both the fonts we have loaded with load_font and 1535 * fonts from wsfont system. 1536 * 1537 * Returns 0 on success. 1538 */ 1539 1540 static int 1541 amidisplaycc_setnamedfont(struct amidisplaycc_screen *scr, char *fontname) 1542 { 1543 struct wsdisplay_font * font; 1544 int wsfontcookie; 1545 1546 wsfontcookie = -1; 1547 1548 if (scr == NULL || scr->device == NULL) { 1549 dprintf("amidisplaycc_setnamedfont: invalid\n"); 1550 return (EINVAL); 1551 } 1552 1553 /* Try first our dynamically loaded fonts. */ 1554 font = amidisplaycc_findfont(scr->device, 1555 fontname, 1556 scr->fontwidth, 1557 scr->fontheight); 1558 1559 if (font == NULL) { 1560 /* 1561 * Ok, no dynamically loaded font found. 1562 * Try the wsfont system then. 1563 */ 1564 wsfontcookie = wsfont_find(fontname, 1565 scr->fontwidth, 1566 scr->fontheight, 1567 1, 1568 WSDISPLAY_FONTORDER_L2R, 1569 WSDISPLAY_FONTORDER_L2R); 1570 1571 if (wsfontcookie == -1) 1572 return (EINVAL); 1573 1574 /* So, found a suitable font. Now lock it. */ 1575 if (wsfont_lock(wsfontcookie, 1576 &font)) 1577 return (EINVAL); 1578 1579 /* Ok here we have the font successfully. */ 1580 } 1581 1582 amidisplaycc_setfont(scr, font, wsfontcookie); 1583 return (0); 1584 } 1585 1586 /* 1587 * Load a font. This is used both to load a font and set it to screen. 1588 * The function depends on the parameters. 1589 * If the font has no data we must set a previously loaded 1590 * font with the same name. If it has data, then just load 1591 * the font but don't use it. 1592 */ 1593 int 1594 amidisplaycc_load_font(void *dp, void *cookie, struct wsdisplay_font *font) 1595 { 1596 struct amidisplaycc_softc * adp; 1597 struct amidisplaycc_screen * scr; 1598 struct wsdisplay_font * myfont; 1599 1600 u_int8_t * c; 1601 void * olddata; 1602 char * name; 1603 1604 u_int size; 1605 u_int i; 1606 1607 1608 adp = dp; 1609 scr = cookie; 1610 1611 /* 1612 * If font has no data it means we have to find the 1613 * named font and use it. 1614 */ 1615 if (scr && font && font->name && !font->data) 1616 return amidisplaycc_setnamedfont(scr, font->name); 1617 1618 1619 /* Pre-load the font it is */ 1620 1621 if (font->stride != 1) { 1622 dprintf("amidisplaycc_load_font: stride %d != 1\n", 1623 font->stride); 1624 return (EINVAL); 1625 } 1626 1627 if (font->fontwidth != 8) { 1628 dprintf("amidisplaycc_load_font: width %d not supported\n", 1629 font->fontwidth); 1630 return (EINVAL); 1631 } 1632 1633 /* Size of the font in bytes... Assuming stride==1 */ 1634 size = font->fontheight * font->numchars; 1635 1636 /* Check if the same font was loaded before */ 1637 myfont = amidisplaycc_findfont(adp, 1638 font->name, 1639 font->fontwidth, 1640 font->fontheight); 1641 1642 olddata = NULL; 1643 if (myfont) { 1644 /* Old font found, we will replace */ 1645 1646 if (myfont->name == NULL || myfont->data == NULL) 1647 panic("replacing NULL font/data"); 1648 1649 /* 1650 * Store the old data pointer. We'll free it later 1651 * when the new one is in place. Reallocation is needed 1652 * because the new font may have a different number 1653 * of characters in it than the last time it was loaded. 1654 */ 1655 1656 olddata = myfont->data; 1657 1658 } else { 1659 /* Totally brand new font */ 1660 1661 /* Try to find empty slot for the font */ 1662 myfont = amidisplaycc_findfont(adp, NULL, 0, 0); 1663 1664 if (myfont == NULL) 1665 return (ENOMEM); 1666 1667 bzero(myfont, sizeof(struct wsdisplay_font)); 1668 1669 myfont->fontwidth = font->fontwidth; 1670 myfont->fontheight = font->fontheight; 1671 myfont->stride = font->stride; 1672 1673 name = malloc(strlen(font->name)+1, 1674 M_DEVBUF, 1675 M_WAITOK); 1676 strcpy(name, font->name); 1677 myfont->name = name; 1678 } 1679 myfont->firstchar = font->firstchar; 1680 myfont->numchars = font->numchars; 1681 1682 myfont->data = malloc(size, 1683 M_DEVBUF, 1684 M_WAITOK); 1685 1686 if (olddata) 1687 free(olddata, M_DEVBUF); 1688 1689 1690 memcpy(myfont->data, font->data, size); 1691 1692 if (font->bitorder == WSDISPLAY_FONTORDER_R2L) { 1693 /* Reverse the characters. */ 1694 c = myfont->data; 1695 for (i = 0 ; i < size ; i++) { 1696 *c = ((*c & 0x0f) << 4) | ((*c & 0xf0) >> 4); 1697 *c = ((*c & 0x33) << 2) | ((*c & 0xcc) >> 2); 1698 *c = ((*c & 0x55) << 1) | ((*c & 0xaa) >> 1); 1699 1700 c++; 1701 } 1702 } 1703 1704 /* Yeah, we made it */ 1705 return (0); 1706 } 1707 1708 /* 1709 * Set display on/off. 1710 */ 1711 static int 1712 amidisplaycc_setvideo(struct amidisplaycc_softc *adp, int mode) 1713 { 1714 view_t * view; 1715 1716 if (adp == NULL) { 1717 dprintf("amidisplaycc_setvideo: adp==NULL\n"); 1718 return (EINVAL); 1719 } 1720 if (adp->currentscreen == NULL) { 1721 dprintf("amidisplaycc_setvideo: adp->currentscreen==NULL\n"); 1722 return (EINVAL); 1723 } 1724 1725 /* select graphics or emulation screen */ 1726 if (adp->gfxon && adp->gfxview) 1727 view = adp->gfxview; 1728 else 1729 view = adp->currentscreen->view; 1730 1731 if (mode) { 1732 /* on */ 1733 1734 grf_display_view(view); 1735 dprintf("amidisplaycc: video is now on\n"); 1736 adp->ison = 1; 1737 1738 } else { 1739 /* off */ 1740 1741 grf_remove_view(view); 1742 dprintf("amidisplaycc: video is now off\n"); 1743 adp->ison = 0; 1744 } 1745 1746 return (0); 1747 } 1748 1749 /* 1750 * Handle the WSDISPLAY_[PUT/GET]CMAP ioctls. 1751 * Just handle the copying of data to/from userspace and 1752 * let the functions amidisplaycc_setcmap and amidisplaycc_putcmap 1753 * do the real work. 1754 */ 1755 1756 static int 1757 amidisplaycc_cmapioctl(view_t *view, u_long cmd, struct wsdisplay_cmap *cmap) 1758 { 1759 struct wsdisplay_cmap tmpcmap; 1760 u_char cmred[MAXCOLORS]; 1761 u_char cmgrn[MAXCOLORS]; 1762 u_char cmblu[MAXCOLORS]; 1763 1764 int err; 1765 1766 if (cmap->index >= MAXCOLORS || 1767 cmap->count > MAXCOLORS || 1768 cmap->index + cmap->count > MAXCOLORS) 1769 return (EINVAL); 1770 1771 if (cmap->count == 0) 1772 return (0); 1773 1774 tmpcmap.index = cmap->index; 1775 tmpcmap.count = cmap->count; 1776 tmpcmap.red = cmred; 1777 tmpcmap.green = cmgrn; 1778 tmpcmap.blue = cmblu; 1779 1780 if (cmd == WSDISPLAYIO_PUTCMAP) { 1781 /* copy the color data to kernel space */ 1782 1783 err = copyin(cmap->red, cmred, cmap->count); 1784 if (err) 1785 return (err); 1786 1787 err = copyin(cmap->green, cmgrn, cmap->count); 1788 if (err) 1789 return (err); 1790 1791 err = copyin(cmap->blue, cmblu, cmap->count); 1792 if (err) 1793 return (err); 1794 1795 return amidisplaycc_setcmap(view, &tmpcmap); 1796 1797 } else if (cmd == WSDISPLAYIO_GETCMAP) { 1798 1799 err = amidisplaycc_getcmap(view, &tmpcmap); 1800 if (err) 1801 return (err); 1802 1803 /* copy data to user space */ 1804 1805 err = copyout(cmred, cmap->red, cmap->count); 1806 if (err) 1807 return (err); 1808 1809 err = copyout(cmgrn, cmap->green, cmap->count); 1810 if (err) 1811 return (err); 1812 1813 err = copyout(cmblu, cmap->blue, cmap->count); 1814 if (err) 1815 return (err); 1816 1817 return (0); 1818 1819 } else 1820 return (EPASSTHROUGH); 1821 } 1822 1823 /* 1824 * Set the palette of a emulation screen. 1825 * Here we do only color remapping and then call 1826 * amidisplaycc_setcmap to do the work. 1827 */ 1828 1829 static int 1830 amidisplaycc_setemulcmap(struct amidisplaycc_screen *scr, 1831 struct wsdisplay_cmap *cmap) 1832 { 1833 struct wsdisplay_cmap tmpcmap; 1834 1835 u_char red [MAXCOLORS]; 1836 u_char grn [MAXCOLORS]; 1837 u_char blu [MAXCOLORS]; 1838 1839 int rc; 1840 int i; 1841 1842 /* 1843 * Get old palette first. 1844 * Because of the color mapping going on in the emulation 1845 * screen the color range may not be contiguous in the real 1846 * palette. 1847 * So get the whole palette, insert the new colors 1848 * at the appropriate places and then set the whole 1849 * palette back. 1850 */ 1851 1852 tmpcmap.index = 0; 1853 tmpcmap.count = 1 << scr->depth; 1854 tmpcmap.red = red; 1855 tmpcmap.green = grn; 1856 tmpcmap.blue = blu; 1857 1858 rc = amidisplaycc_getcmap(scr->view, &tmpcmap); 1859 if (rc) 1860 return (rc); 1861 1862 for (i = cmap->index ; i < cmap->index + cmap->count ; i++) { 1863 1864 tmpcmap.red [ scr->colormap[ i ] ] = cmap->red [ i ]; 1865 tmpcmap.green [ scr->colormap[ i ] ] = cmap->green [ i ]; 1866 tmpcmap.blue [ scr->colormap[ i ] ] = cmap->blue [ i ]; 1867 } 1868 1869 rc = amidisplaycc_setcmap(scr->view, &tmpcmap); 1870 if (rc) 1871 return (rc); 1872 1873 return (0); 1874 } 1875 1876 1877 /* 1878 * Set the colormap for the given screen. 1879 */ 1880 1881 static int 1882 amidisplaycc_setcmap(view_t *view, struct wsdisplay_cmap *cmap) 1883 { 1884 u_long cmentries [MAXCOLORS]; 1885 1886 int green_div; 1887 int blue_div; 1888 int grey_div; 1889 int red_div; 1890 u_int colors; 1891 int index; 1892 int count; 1893 int err; 1894 colormap_t cm; 1895 int c; 1896 1897 if (view == NULL) 1898 return (EINVAL); 1899 1900 if (!cmap || !cmap->red || !cmap->green || !cmap->blue) { 1901 dprintf("amidisplaycc_setcmap: other==NULL\n"); 1902 return (EINVAL); 1903 } 1904 1905 index = cmap->index; 1906 count = cmap->count; 1907 colors = (1 << view->bitmap->depth); 1908 1909 if (count > colors || index >= colors || index + count > colors) 1910 return (EINVAL); 1911 1912 if (count == 0) 1913 return (0); 1914 1915 cm.entry = cmentries; 1916 cm.first = index; 1917 cm.size = count; 1918 1919 /* 1920 * Get the old colormap. We need to do this at least to know 1921 * how many bits to use with the color values. 1922 */ 1923 1924 err = grf_get_colormap(view, &cm); 1925 if (err) 1926 return (err); 1927 1928 /* 1929 * The palette entries from wscons contain 8 bits per gun. 1930 * We need to convert them to the number of bits the view 1931 * expects. That is typically 4 or 8. Here we calculate the 1932 * conversion constants with which we divide the color values. 1933 */ 1934 1935 if (cm.type == CM_COLOR) { 1936 red_div = 256 / (cm.red_mask + 1); 1937 green_div = 256 / (cm.green_mask + 1); 1938 blue_div = 256 / (cm.blue_mask + 1); 1939 } else if (cm.type == CM_GREYSCALE) 1940 grey_div = 256 / (cm.grey_mask + 1); 1941 else 1942 return (EINVAL); /* Hmhh */ 1943 1944 /* Copy our new values to the current colormap */ 1945 1946 for (c = 0 ; c < count ; c++) { 1947 1948 if (cm.type == CM_COLOR) { 1949 1950 cm.entry[c + index] = MAKE_COLOR_ENTRY( 1951 cmap->red[c] / red_div, 1952 cmap->green[c] / green_div, 1953 cmap->blue[c] / blue_div); 1954 1955 } else if (cm.type == CM_GREYSCALE) { 1956 1957 /* Generate grey from average of r-g-b (?) */ 1958 1959 cm.entry[c + index] = MAKE_COLOR_ENTRY( 1960 0, 1961 0, 1962 (cmap->red[c] + 1963 cmap->green[c] + 1964 cmap->blue[c]) / 3 / grey_div); 1965 } 1966 } 1967 1968 1969 /* 1970 * Now we have a new colormap that contains all the entries. Set 1971 * it to the view. 1972 */ 1973 1974 err = grf_use_colormap(view, &cm); 1975 if (err) 1976 return err; 1977 1978 return (0); 1979 } 1980 1981 /* 1982 * Return the colormap of the given screen. 1983 */ 1984 1985 static int 1986 amidisplaycc_getcmap(view_t *view, struct wsdisplay_cmap *cmap) 1987 { 1988 u_long cmentries [MAXCOLORS]; 1989 1990 int green_mul; 1991 int blue_mul; 1992 int grey_mul; 1993 int red_mul; 1994 u_int colors; 1995 int index; 1996 int count; 1997 int err; 1998 colormap_t cm; 1999 int c; 2000 2001 if (view == NULL) 2002 return (EINVAL); 2003 2004 if (!cmap || !cmap->red || !cmap->green || !cmap->blue) 2005 return (EINVAL); 2006 2007 index = cmap->index; 2008 count = cmap->count; 2009 colors = (1 << view->bitmap->depth); 2010 2011 if (count > colors || index >= colors || index + count > colors) 2012 return (EINVAL); 2013 2014 if (count == 0) 2015 return (0); 2016 2017 cm.entry = cmentries; 2018 cm.first = index; 2019 cm.size = count; 2020 2021 2022 err = grf_get_colormap(view, &cm); 2023 if (err) 2024 return (err); 2025 2026 if (cm.type == CM_COLOR) { 2027 red_mul = 256 / (cm.red_mask + 1); 2028 green_mul = 256 / (cm.green_mask + 1); 2029 blue_mul = 256 / (cm.blue_mask + 1); 2030 } else if (cm.type == CM_GREYSCALE) { 2031 grey_mul = 256 / (cm.grey_mask + 1); 2032 } else 2033 return (EINVAL); 2034 2035 /* 2036 * Copy color data to wscons-style structure. Translate to 2037 * 8 bits/gun from whatever resolution the color natively is. 2038 */ 2039 2040 for (c = 0 ; c < count ; c++) { 2041 2042 if (cm.type == CM_COLOR) { 2043 2044 cmap->red[c] = CM_GET_RED(cm.entry[index+c]); 2045 cmap->green[c] = CM_GET_GREEN(cm.entry[index+c]); 2046 cmap->blue[c] = CM_GET_BLUE(cm.entry[index+c]); 2047 2048 cmap->red[c] *= red_mul; 2049 cmap->green[c] *= green_mul; 2050 cmap->blue[c] *= blue_mul; 2051 2052 } else if (cm.type == CM_GREYSCALE) { 2053 cmap->red[c] = CM_GET_GREY(cm.entry[index+c]); 2054 cmap->red[c] *= grey_mul; 2055 2056 cmap->green[c] = cmap->red[c]; 2057 cmap->blue[c] = cmap->red[c]; 2058 } 2059 } 2060 2061 return (0); 2062 } 2063 2064 /* ARGSUSED */ 2065 void 2066 amidisplaycc_pollc(void *cookie, int on) 2067 { 2068 } 2069 2070 /* 2071 * These dummy functions are here just so that we can compete of 2072 * the console at init. 2073 * If we win the console then the wscons system will provide the 2074 * real ones which in turn will call the apropriate wskbd device. 2075 * These should never be called. 2076 */ 2077 2078 /* ARGSUSED */ 2079 void 2080 amidisplaycc_cnputc(dev_t cd, int ch) 2081 { 2082 } 2083 2084 /* ARGSUSED */ 2085 int 2086 amidisplaycc_cngetc(dev_t cd) 2087 { 2088 return (0); 2089 } 2090 2091 /* ARGSUSED */ 2092 void 2093 amidisplaycc_cnpollc(dev_t cd, int on) 2094 { 2095 } 2096 2097 2098 /* 2099 * Prints stuff if DEBUG is turned on. 2100 */ 2101 2102 /* ARGSUSED */ 2103 static void 2104 dprintf(const char *fmt, ...) 2105 { 2106 #ifdef DEBUG 2107 va_list ap; 2108 2109 va_start(ap, fmt); 2110 vprintf(fmt, ap); 2111 va_end(ap); 2112 #endif 2113 } 2114 2115 #endif /* AMIDISPLAYCC */ 2116
Indexes created Mon Sep 29 21:09:56 GMT 2025