1 /* $NetBSD: amidisplaycc.c,v 1.11 2003/02/10 20:09:43 jandberg 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 1.11 2003/02/10 20:09:43 jandberg 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 /* was off, turning off again? */ 518 if (!on && scr->cursorrow == -1 && scr->cursorcol == -1) 519 return; 520 521 /* was on, and turning on again? */ 522 if (on && scr->cursorrow >= 0 && scr->cursorcol >= 0) 523 { 524 /* clear from old location first */ 525 amidisplaycc_cursor (screen, 0, scr->cursorrow, scr->cursorcol); 526 } 527 528 dst = scr->planes[0]; 529 dst += row * scr->rowbytes; 530 dst += col; 531 532 if (on) { 533 scr->cursorrow = row; 534 scr->cursorcol = col; 535 } else { 536 scr->cursorrow = -1; 537 scr->cursorcol = -1; 538 } 539 540 for (i = scr->fontheight ; i > 0 ; i--) { 541 *dst ^= 255; 542 dst += scr->linebytes; 543 } 544 } 545 546 547 /* 548 * This obviously does something important, don't ask me what. 549 */ 550 int 551 amidisplaycc_mapchar(void *screen, int ch, unsigned int *chp) 552 { 553 if (ch > 0 && ch < 256) { 554 *chp = ch; 555 return (5); 556 } 557 *chp = ' '; 558 return (0); 559 } 560 561 /* 562 * Write a character to screen with color / bgcolor / hilite(bold) / 563 * underline / reverse. 564 * Surely could be made faster but I'm not sure if its worth the 565 * effort as scrolling is at least a magnitude slower. 566 */ 567 void 568 amidisplaycc_putchar(void *screen, int row, int col, u_int ch, long attr) 569 { 570 adccscr_t * scr; 571 u_char * dst; 572 u_char * font; 573 574 int fontheight; 575 u_int8_t * fontreal; 576 int fontlow; 577 int fonthigh; 578 579 int bmapoffset; 580 int linebytes; 581 int underline; 582 int fgcolor; 583 int bgcolor; 584 int plane; 585 int depth; 586 int mode; 587 int bold; 588 u_char f; 589 int j; 590 591 scr = screen; 592 593 if (row < 0 || col < 0 || row >= scr->nrows || col >= scr->ncols) 594 return; 595 596 /* Extract the colors from the attribute */ 597 fgcolor = ATTRFG(attr); 598 bgcolor = ATTRBG(attr); 599 mode = ATTRMO(attr); 600 601 /* Translate to screen colors */ 602 fgcolor = scr->colormap[fgcolor]; 603 bgcolor = scr->colormap[bgcolor]; 604 605 if (mode & WSATTR_REVERSE) { 606 j = fgcolor; 607 fgcolor = bgcolor; 608 bgcolor = j; 609 } 610 611 bold = (mode & WSATTR_HILIT) > 0; 612 underline = (mode & WSATTR_UNDERLINE) > 0; 613 614 /* If we have loaded a font use it otherwise the builtin font */ 615 if (scr->font) { 616 fontreal = scr->font->data; 617 fontlow = scr->font->firstchar; 618 fonthigh = fontlow + scr->font->numchars - 1; 619 } else { 620 fontreal = kernel_font_8x8; 621 fontlow = kernel_font_lo_8x8; 622 fonthigh = kernel_font_hi_8x8; 623 } 624 625 fontheight = scr->fontheight; 626 depth = scr->depth; 627 linebytes = scr->linebytes; 628 629 if (ch < fontlow || ch > fonthigh) 630 ch = fontlow; 631 632 /* Find the location where the wanted char is in the font data */ 633 fontreal += scr->fontheight * (ch - fontlow); 634 635 bmapoffset = row * scr->rowbytes + col; 636 637 scr->rowmasks[row] |= fgcolor | bgcolor; 638 639 for (plane = 0 ; plane < depth ; plane++) { 640 dst = scr->planes[plane] + bmapoffset; 641 642 if (fgcolor & 1) { 643 if (bgcolor & 1) { 644 /* fg=on bg=on (fill) */ 645 646 for (j = 0 ; j < fontheight ; j++) { 647 *dst = 255; 648 dst += linebytes; 649 } 650 } else { 651 /* fg=on bg=off (normal) */ 652 653 font = fontreal; 654 for (j = 0 ; j < fontheight ; j++) { 655 f = *(font++); 656 f |= f >> bold; 657 *dst = f; 658 dst += linebytes; 659 } 660 661 if (underline) 662 *(dst - linebytes) = 255; 663 } 664 } else { 665 if (bgcolor & 1) { 666 /* fg=off bg=on (inverted) */ 667 668 font = fontreal; 669 for (j = 0 ; j < fontheight ; j++) { 670 f = *(font++); 671 f |= f >> bold; 672 *dst = ~f; 673 dst += linebytes; 674 } 675 676 if (underline) 677 *(dst - linebytes) = 0; 678 } else { 679 /* fg=off bg=off (clear) */ 680 681 for (j = 0 ; j < fontheight ; j++) { 682 *dst = 0; 683 dst += linebytes; 684 } 685 } 686 } 687 fgcolor >>= 1; 688 bgcolor >>= 1; 689 } 690 } 691 692 /* 693 * Copy characters on a row to another position on the same row. 694 */ 695 696 void 697 amidisplaycc_copycols(void *screen, int row, int srccol, int dstcol, int ncols) 698 { 699 adccscr_t * scr; 700 u_char * src; 701 u_char * dst; 702 703 int bmapoffset; 704 int linebytes; 705 int depth; 706 int plane; 707 int i; 708 int j; 709 710 scr = screen; 711 712 if (srccol < 0 || srccol + ncols > scr->ncols || 713 dstcol < 0 || dstcol + ncols > scr->ncols || 714 row < 0 || row >= scr->nrows) 715 return; 716 717 depth = scr->depth; 718 linebytes = scr->linebytes; 719 bmapoffset = row * scr->rowbytes; 720 721 for (plane = 0 ; plane < depth ; plane++) { 722 src = scr->planes[plane] + bmapoffset; 723 724 for (j = 0 ; j < scr->fontheight ; j++) { 725 dst = src; 726 727 if (srccol < dstcol) { 728 729 for (i = ncols - 1 ; i >= 0 ; i--) 730 dst[dstcol + i] = src[srccol + i]; 731 732 } else { 733 734 for (i = 0 ; i < ncols ; i++) 735 dst[dstcol + i] = src[srccol + i]; 736 737 } 738 src += linebytes; 739 } 740 } 741 } 742 743 /* 744 * Erase part of a row. 745 */ 746 747 void 748 amidisplaycc_erasecols(void *screen, int row, int startcol, int ncols, 749 long attr) 750 { 751 adccscr_t * scr; 752 u_char * dst; 753 754 int bmapoffset; 755 int linebytes; 756 int bgcolor; 757 int depth; 758 int plane; 759 int fill; 760 int j; 761 762 scr = screen; 763 764 if (row < 0 || row >= scr->nrows || 765 startcol < 0 || startcol + ncols > scr->ncols) 766 return; 767 768 depth = scr->depth; 769 linebytes = scr->linebytes; 770 bmapoffset = row * scr->rowbytes + startcol; 771 772 /* Erase will be done using the set background color. */ 773 bgcolor = ATTRBG(attr); 774 bgcolor = scr->colormap[bgcolor]; 775 776 for(plane = 0 ; plane < depth ; plane++) { 777 778 fill = (bgcolor & 1) ? 255 : 0; 779 780 dst = scr->planes[plane] + bmapoffset; 781 782 for (j = 0 ; j < scr->fontheight ; j++) { 783 memset(dst, fill, ncols); 784 dst += linebytes; 785 } 786 } 787 } 788 789 /* 790 * Copy a number of rows to another location on the screen. 791 * Combined with eraserows it can be used to perform operation 792 * also known as 'scrolling'. 793 */ 794 795 void 796 amidisplaycc_copyrows(void *screen, int srcrow, int dstrow, int nrows) 797 { 798 adccscr_t * scr; 799 u_char * src; 800 u_char * dst; 801 802 int srcbmapoffset; 803 int dstbmapoffset; 804 int widthbytes; 805 int fontheight; 806 int linebytes; 807 u_int copysize; 808 int rowdelta; 809 int rowbytes; 810 int srcmask; 811 int dstmask; 812 int bmdelta; 813 int depth; 814 int plane; 815 int i; 816 int j; 817 818 scr = screen; 819 820 if (srcrow < 0 || srcrow + nrows > scr->nrows || 821 dstrow < 0 || dstrow + nrows > scr->nrows) 822 return; 823 824 depth = scr->depth; 825 826 widthbytes = scr->widthbytes; 827 rowbytes = scr->rowbytes; 828 linebytes = scr->linebytes; 829 fontheight = scr->fontheight; 830 831 srcbmapoffset = rowbytes * srcrow; 832 dstbmapoffset = rowbytes * dstrow; 833 834 if (srcrow < dstrow) { 835 /* Move data downwards, need to copy from down to up */ 836 bmdelta = -rowbytes; 837 rowdelta = -1; 838 839 srcbmapoffset += rowbytes * (nrows - 1); 840 srcrow += nrows - 1; 841 842 dstbmapoffset += rowbytes * (nrows - 1); 843 dstrow += nrows - 1; 844 } else { 845 /* Move data upwards, copy up to down */ 846 bmdelta = rowbytes; 847 rowdelta = 1; 848 } 849 850 if (widthbytes == linebytes) 851 copysize = rowbytes; 852 else 853 copysize = 0; 854 855 for (j = 0 ; j < nrows ; j++) { 856 /* Need to copy only planes that have data on src or dst */ 857 srcmask = scr->rowmasks[srcrow]; 858 dstmask = scr->rowmasks[dstrow]; 859 scr->rowmasks[dstrow] = srcmask; 860 861 for (plane = 0 ; plane < depth ; plane++) { 862 863 if (srcmask & 1) { 864 /* 865 * Source row has data on this 866 * plane, copy it. 867 */ 868 869 src = scr->planes[plane] + srcbmapoffset; 870 dst = scr->planes[plane] + dstbmapoffset; 871 872 if (copysize > 0) { 873 874 memcpy(dst, src, copysize); 875 876 } else { 877 878 /* 879 * Data not continuous, 880 * must do in pieces 881 */ 882 for (i=0 ; i < fontheight ; i++) { 883 memcpy(dst, src, widthbytes); 884 885 src += linebytes; 886 dst += linebytes; 887 } 888 } 889 } else if (dstmask & 1) { 890 /* 891 * Source plane is empty, but dest is not. 892 * so all we need to is clear it. 893 */ 894 895 dst = scr->planes[plane] + dstbmapoffset; 896 897 if (copysize > 0) { 898 /* Do it all */ 899 bzero(dst, copysize); 900 } else { 901 for (i = 0 ; i < fontheight ; i++) { 902 bzero(dst, widthbytes); 903 dst += linebytes; 904 } 905 } 906 } 907 908 srcmask >>= 1; 909 dstmask >>= 1; 910 } 911 srcbmapoffset += bmdelta; 912 dstbmapoffset += bmdelta; 913 914 srcrow += rowdelta; 915 dstrow += rowdelta; 916 } 917 } 918 919 /* 920 * Erase some rows. 921 */ 922 923 void 924 amidisplaycc_eraserows(void *screen, int row, int nrows, long attr) 925 { 926 adccscr_t * scr; 927 u_char * dst; 928 929 int bmapoffset; 930 int fillsize; 931 int bgcolor; 932 int depth; 933 int plane; 934 int fill; 935 int j; 936 937 int widthbytes; 938 int linebytes; 939 int rowbytes; 940 941 942 scr = screen; 943 944 if (row < 0 || row + nrows > scr->nrows) 945 return; 946 947 depth = scr->depth; 948 widthbytes = scr->widthbytes; 949 linebytes = scr->linebytes; 950 rowbytes = scr->rowbytes; 951 952 bmapoffset = row * rowbytes; 953 954 if (widthbytes == linebytes) 955 fillsize = rowbytes * nrows; 956 else 957 fillsize = 0; 958 959 bgcolor = ATTRBG(attr); 960 bgcolor = scr->colormap[bgcolor]; 961 962 for (j = 0 ; j < nrows ; j++) 963 scr->rowmasks[row+j] = bgcolor; 964 965 for (plane = 0 ; plane < depth ; plane++) { 966 dst = scr->planes[plane] + bmapoffset; 967 fill = (bgcolor & 1) ? 255 : 0; 968 969 if (fillsize > 0) { 970 /* If the rows are continuous, write them all. */ 971 memset(dst, fill, fillsize); 972 } else { 973 for (j = 0 ; j < scr->fontheight * nrows ; j++) { 974 memset(dst, fill, widthbytes); 975 dst += linebytes; 976 } 977 } 978 bgcolor >>= 1; 979 } 980 } 981 982 983 /* 984 * Compose an attribute value from foreground color, 985 * background color, and flags. 986 */ 987 int 988 amidisplaycc_allocattr(void *screen, int fg, int bg, int flags, long *attrp) 989 { 990 adccscr_t * scr; 991 int maxcolor; 992 int newfg; 993 int newbg; 994 995 scr = screen; 996 maxcolor = (1 << scr->view->bitmap->depth) - 1; 997 998 /* Ensure the colors are displayable. */ 999 newfg = fg & maxcolor; 1000 newbg = bg & maxcolor; 1001 1002 #ifdef ADJUSTCOLORS 1003 /* 1004 * Hack for low-color screens, if background color is nonzero 1005 * but would be displayed as one, adjust it. 1006 */ 1007 if (bg > 0 && newbg == 0) 1008 newbg = maxcolor; 1009 1010 /* 1011 * If foreground and background colors are different but would 1012 * display the same fix them by modifying the foreground. 1013 */ 1014 if (fg != bg && newfg == newbg) { 1015 if (newbg > 0) 1016 newfg = 0; 1017 else 1018 newfg = maxcolor; 1019 } 1020 #endif 1021 *attrp = MAKEATTR(newfg, newbg, flags); 1022 1023 return (0); 1024 } 1025 1026 int 1027 amidisplaycc_ioctl(void *dp, u_long cmd, caddr_t data, int flag, struct proc *p) 1028 { 1029 struct amidisplaycc_softc *adp; 1030 1031 adp = dp; 1032 1033 if (adp == NULL) { 1034 printf("amidisplaycc_ioctl: adp==NULL\n"); 1035 return (EINVAL); 1036 } 1037 1038 #define UINTDATA (*(u_int*)data) 1039 #define INTDATA (*(int*)data) 1040 #define FBINFO (*(struct wsdisplay_fbinfo*)data) 1041 1042 switch (cmd) 1043 { 1044 case WSDISPLAYIO_GTYPE: 1045 UINTDATA = WSDISPLAY_TYPE_AMIGACC; 1046 return (0); 1047 1048 case WSDISPLAYIO_SVIDEO: 1049 dprintf("amidisplaycc: WSDISPLAYIO_SVIDEO %s\n", 1050 UINTDATA ? "On" : "Off"); 1051 1052 return (amidisplaycc_setvideo(adp, UINTDATA)); 1053 1054 case WSDISPLAYIO_GVIDEO: 1055 dprintf("amidisplaycc: WSDISPLAYIO_GVIDEO\n"); 1056 UINTDATA = adp->ison ? 1057 WSDISPLAYIO_VIDEO_ON : WSDISPLAYIO_VIDEO_OFF; 1058 1059 return (0); 1060 1061 case WSDISPLAYIO_SMODE: 1062 if (INTDATA == WSDISPLAYIO_MODE_EMUL) 1063 return amidisplaycc_gfxscreen(adp, 0); 1064 if (INTDATA == WSDISPLAYIO_MODE_MAPPED) 1065 return amidisplaycc_gfxscreen(adp, 1); 1066 return (EINVAL); 1067 1068 case WSDISPLAYIO_GINFO: 1069 FBINFO.width = adp->gfxwidth; 1070 FBINFO.height = adp->gfxheight; 1071 FBINFO.depth = adp->gfxdepth; 1072 FBINFO.cmsize = 1 << FBINFO.depth; 1073 return (0); 1074 1075 case WSDISPLAYIO_PUTCMAP: 1076 case WSDISPLAYIO_GETCMAP: 1077 return (amidisplaycc_cmapioctl(adp->gfxview, 1078 cmd, 1079 (struct wsdisplay_cmap*)data)); 1080 } 1081 1082 dprintf("amidisplaycc: unknown ioctl %lx (grp:'%c' num:%d)\n", 1083 (long)cmd, 1084 (char)((cmd&0xff00)>>8), 1085 (int)(cmd&0xff)); 1086 1087 return (EPASSTHROUGH); 1088 1089 #undef UINTDATA 1090 #undef INTDATA 1091 #undef FBINFO 1092 } 1093 1094 1095 /* 1096 * Switch to either emulation (text) or mapped (graphics) mode 1097 * We keep an extra screen for mapped mode so it does not 1098 * interfere with emulation screens. 1099 * 1100 * Once the extra screen is created, it never goes away. 1101 */ 1102 1103 static int 1104 amidisplaycc_gfxscreen(struct amidisplaycc_softc *adp, int on) 1105 { 1106 dimen_t dimension; 1107 1108 dprintf("amidisplaycc: switching to %s mode.\n", 1109 on ? "mapped" : "emul"); 1110 1111 /* Current mode same as requested mode? */ 1112 if ( (on > 0) == (adp->gfxon > 0) ) 1113 return (0); 1114 1115 if (!on) { 1116 /* 1117 * Switch away from mapped mode. If there is 1118 * a emulation screen, switch to it, otherwise 1119 * just try to hide the mapped screen. 1120 */ 1121 adp->gfxon = 0; 1122 if (adp->currentscreen) 1123 grf_display_view(adp->currentscreen->view); 1124 else if (adp->gfxview) 1125 grf_remove_view(adp->gfxview); 1126 1127 return (0); 1128 } 1129 1130 /* switch to mapped mode then */ 1131 1132 if (adp->gfxview == NULL) { 1133 /* First time here, create the screen */ 1134 1135 dimension.width = adp->gfxwidth; 1136 dimension.height = adp->gfxheight; 1137 1138 dprintf("amidisplaycc: preparing mapped screen %dx%dx%d\n", 1139 dimension.width, 1140 dimension.height, 1141 adp->gfxdepth); 1142 1143 adp->gfxview = grf_alloc_view(NULL, 1144 &dimension, 1145 adp->gfxdepth); 1146 } 1147 1148 if (adp->gfxview) { 1149 adp->gfxon = 1; 1150 1151 grf_display_view(adp->gfxview); 1152 } else { 1153 printf("amidisplaycc: failed to make mapped screen\n"); 1154 return (ENOMEM); 1155 } 1156 return (0); 1157 } 1158 1159 /* 1160 * Map the graphics screen. It must have been created before 1161 * by switching to mapped mode by using an ioctl. 1162 */ 1163 paddr_t 1164 amidisplaycc_mmap(void *dp, off_t off, int prot) 1165 { 1166 struct amidisplaycc_softc * adp; 1167 bmap_t * bm; 1168 paddr_t rv; 1169 1170 adp = (struct amidisplaycc_softc*)dp; 1171 1172 /* Check we are in mapped mode */ 1173 if (adp->gfxon == 0 || adp->gfxview == NULL) { 1174 dprintf("amidisplaycc_mmap: Not in mapped mode\n"); 1175 return (paddr_t)(-1); 1176 } 1177 1178 /* 1179 * As we all know by now, we are mapping our special 1180 * screen here so our pretty text consoles are left 1181 * untouched. 1182 */ 1183 1184 bm = adp->gfxview->bitmap; 1185 1186 /* Check that the offset is valid */ 1187 if (off < 0 || off >= bm->depth * bm->bytes_per_row * bm->rows) { 1188 dprintf("amidisplaycc_mmap: Offset out of range\n"); 1189 return (paddr_t)(-1); 1190 } 1191 1192 rv = (paddr_t)bm->hardware_address; 1193 rv += off; 1194 1195 return (rv >> PGSHIFT); 1196 } 1197 1198 1199 /* 1200 * Create a new screen. 1201 * NULL dp signifies console and then memory is allocated statically 1202 * and the screen is automatically displayed. 1203 * 1204 * A font with suitable size is searched and if not found 1205 * the builtin 8x8 font is used. 1206 * 1207 * There are separate default palettes for 2, 4 and 8+ color 1208 * screens. 1209 */ 1210 1211 int 1212 amidisplaycc_alloc_screen(void *dp, const struct wsscreen_descr *screenp, 1213 void **cookiep, int *curxp, int *curyp, 1214 long *defattrp) 1215 { 1216 const struct amidisplaycc_screen_descr * adccscreenp; 1217 struct amidisplaycc_screen * scr; 1218 struct amidisplaycc_softc * adp; 1219 view_t * view; 1220 1221 dimen_t dimension; 1222 int fontheight; 1223 int fontwidth; 1224 int maxcolor; 1225 int depth; 1226 int i; 1227 int j; 1228 1229 adccscreenp = (const struct amidisplaycc_screen_descr *)screenp; 1230 depth = adccscreenp->depth; 1231 1232 adp = dp; 1233 1234 maxcolor = (1 << depth) - 1; 1235 1236 /* Sanity checks because of fixed buffers */ 1237 if (depth > MAXDEPTH || maxcolor >= MAXCOLORS) 1238 return (ENOMEM); 1239 if (screenp->nrows > MAXROWS) 1240 return (ENOMEM); 1241 1242 fontwidth = screenp->fontwidth; 1243 fontheight = screenp->fontheight; 1244 1245 if (fontwidth != 8) { 1246 dprintf("amidisplaycc_alloc_screen: fontwidth %d invalid.\n", 1247 fontwidth); 1248 return (EINVAL); 1249 } 1250 1251 /* 1252 * The screen size is defined in characters. 1253 * Calculate the pixel size using the font size. 1254 */ 1255 1256 dimension.width = screenp->ncols * fontwidth; 1257 dimension.height = screenp->nrows * fontheight; 1258 1259 view = grf_alloc_view(NULL, &dimension, depth); 1260 if (view == NULL) 1261 return (ENOMEM); 1262 1263 /* 1264 * First screen gets the statically allocated console screen. 1265 * Others are allocated dynamically. 1266 */ 1267 if (adp == NULL) { 1268 scr = &amidisplaycc_consolescreen; 1269 if (scr->isconsole) 1270 panic("more than one console?"); 1271 1272 scr->isconsole = 1; 1273 } else { 1274 scr = malloc(sizeof(adccscr_t), M_DEVBUF, M_WAITOK); 1275 bzero(scr, sizeof(adccscr_t)); 1276 } 1277 1278 scr->view = view; 1279 1280 scr->ncols = screenp->ncols; 1281 scr->nrows = screenp->nrows; 1282 1283 /* Copies of most used values */ 1284 scr->width = dimension.width; 1285 scr->height = dimension.height; 1286 scr->depth = depth; 1287 scr->widthbytes = view->bitmap->bytes_per_row; 1288 scr->linebytes = scr->widthbytes + view->bitmap->row_mod; 1289 scr->rowbytes = scr->linebytes * fontheight; 1290 1291 scr->device = adp; 1292 1293 1294 /* --- LOAD FONT --- */ 1295 1296 /* these need to be initialized befory trying to set font */ 1297 scr->font = NULL; 1298 scr->wsfontcookie = -1; 1299 scr->fontwidth = fontwidth; 1300 scr->fontheight = fontheight; 1301 1302 /* 1303 * Note that dont try to load font for the console (adp==NULL) 1304 * 1305 * Here we dont care which font we get as long as it is the 1306 * right size so pass NULL. 1307 */ 1308 if (adp) 1309 amidisplaycc_setnamedfont(scr, NULL); 1310 1311 /* 1312 * If no font found, use the builtin one. 1313 * It will look stupid if the wanted size was different. 1314 */ 1315 if (scr->font == NULL) { 1316 scr->fontwidth = 8; 1317 scr->fontheight = min(8, fontheight); 1318 } 1319 1320 /* --- LOAD FONT END --- */ 1321 1322 1323 for (i = 0 ; i < depth ; i++) { 1324 scr->planes[i] = view->bitmap->plane[i]; 1325 } 1326 1327 for (i = 0 ; i < MAXROWS ; i++) 1328 scr->rowmasks[i] = 0; 1329 1330 /* Simple one-to-one mapping for most colors */ 1331 for (i = 0 ; i < MAXCOLORS ; i++) 1332 scr->colormap[i] = i; 1333 1334 /* 1335 * Arrange the most used pens to quickest colors. 1336 * The default color for given depth is (1<<depth)-1. 1337 * It is assumed it is used most and it is mapped to 1338 * color that can be drawn by writing data to one bitplane 1339 * only. 1340 * So map colors 3->2, 7->4, 15->8 and so on. 1341 */ 1342 for (i = 2 ; i < MAXCOLORS ; i *= 2) { 1343 j = i * 2 - 1; 1344 1345 if (j < MAXCOLORS) { 1346 scr->colormap[i] = j; 1347 scr->colormap[j] = i; 1348 } 1349 } 1350 1351 /* 1352 * Set the default colormap. 1353 */ 1354 if (depth == 1) 1355 amidisplaycc_setemulcmap(scr, &pal2); 1356 else if (depth == 2) 1357 amidisplaycc_setemulcmap(scr, &pal4); 1358 else 1359 amidisplaycc_setemulcmap(scr, &pal8); 1360 1361 *cookiep = scr; 1362 1363 /* cursor initially at top left */ 1364 scr->cursorrow = -1; 1365 scr->cursorcol = -1; 1366 *curxp = 0; 1367 *curyp = 0; 1368 amidisplaycc_cursor(scr, 1, *curxp, *curyp); 1369 1370 *defattrp = MAKEATTR(maxcolor, 0, 0); 1371 1372 /* Show the console automatically */ 1373 if (adp == NULL) 1374 grf_display_view(scr->view); 1375 1376 if (adp) { 1377 dprintf("amidisplaycc: allocated screen; %dx%dx%d\n", 1378 dimension.width, 1379 dimension.height, 1380 depth); 1381 } 1382 1383 return (0); 1384 } 1385 1386 1387 /* 1388 * Destroy a screen. 1389 */ 1390 1391 void 1392 amidisplaycc_free_screen(void *dp, void *screen) 1393 { 1394 struct amidisplaycc_screen * scr; 1395 struct amidisplaycc_softc * adp; 1396 1397 scr = screen; 1398 adp = (struct amidisplaycc_softc*)adp; 1399 1400 if (scr == NULL) 1401 return; 1402 1403 /* Free the used font */ 1404 amidisplaycc_setfont(scr, NULL, -1); 1405 1406 if (adp->currentscreen == scr) 1407 adp->currentscreen = NULL; 1408 1409 if (scr->view) 1410 grf_free_view(scr->view); 1411 scr->view = NULL; 1412 1413 /* Take care not to free the statically allocated console screen */ 1414 if (scr != &amidisplaycc_consolescreen) { 1415 free(scr, M_DEVBUF); 1416 } 1417 } 1418 1419 /* 1420 * Switch to another vt. Switch is always made immediately. 1421 */ 1422 1423 /* ARGSUSED2 */ 1424 int 1425 amidisplaycc_show_screen(void *dp, void *screen, int waitok, 1426 void (*cb) (void *, int, int), void *cbarg) 1427 { 1428 adccscr_t *scr; 1429 struct amidisplaycc_softc *adp; 1430 1431 adp = (struct amidisplaycc_softc*)dp; 1432 scr = screen; 1433 1434 if (adp == NULL) { 1435 dprintf("amidisplaycc_show_screen: adp==NULL\n"); 1436 return (EINVAL); 1437 } 1438 if (scr == NULL) { 1439 dprintf("amidisplaycc_show_screen: scr==NULL\n"); 1440 return (EINVAL); 1441 } 1442 1443 if (adp->gfxon) { 1444 dprintf("amidisplaycc: Screen shift while in gfx mode?"); 1445 adp->gfxon = 0; 1446 } 1447 1448 adp->currentscreen = scr; 1449 adp->ison = 1; 1450 1451 grf_display_view(scr->view); 1452 1453 return (0); 1454 } 1455 1456 /* 1457 * Internal. Finds the font in our softc that has the desired attributes. 1458 * Or, if name is NULL, finds a free location for a new font. 1459 * Returns a pointer to font structure in softc or NULL for failure. 1460 * 1461 * Three possible forms: 1462 * findfont(adp, NULL, 0, 0) -- find first empty location 1463 * findfont(adp, NULL, x, y) -- find last font with given size 1464 * findfont(adp, name, x, y) -- find last font with given name and size 1465 * 1466 * Note that when finding an empty location first one found is returned, 1467 * however when finding an existing font, the last one matching is 1468 * returned. This is because fonts cannot be unloaded and the last 1469 * font on the list is the one added latest and thus probably preferred. 1470 * 1471 * Note also that this is the only function which makes assumptions 1472 * about the storage location for the fonts. 1473 */ 1474 static struct wsdisplay_font * 1475 amidisplaycc_findfont(struct amidisplaycc_softc *adp, const char *name, 1476 int width, int height) 1477 { 1478 struct wsdisplay_font * font; 1479 1480 int findempty; 1481 int f; 1482 1483 if (adp == NULL) { 1484 dprintf("amidisplaycc_findfont: NULL adp\n"); 1485 return NULL; 1486 } 1487 1488 findempty = (name == NULL) && (width == 0) && (height == 0); 1489 1490 font = NULL; 1491 1492 for (f = 0 ; f < AMIDISPLAYCC_MAXFONTS ; f++) { 1493 1494 if (findempty && adp->fonts[f].name == NULL) 1495 return &adp->fonts[f]; 1496 1497 if (!findempty && name == NULL && adp->fonts[f].name && 1498 adp->fonts[f].fontwidth == width && 1499 adp->fonts[f].fontheight == height) 1500 font = &adp->fonts[f]; 1501 1502 if (name && adp->fonts[f].name && 1503 strcmp(name, adp->fonts[f].name) == 0 && 1504 width == adp->fonts[f].fontwidth && 1505 height == adp->fonts[f].fontheight) 1506 font = &adp->fonts[f]; 1507 } 1508 1509 return (font); 1510 } 1511 1512 1513 /* 1514 * Set the font on a screen and free the old one. 1515 * Can be called with font of NULL to just free the 1516 * old one. 1517 * NULL font cannot be accompanied by valid cookie (!= -1) 1518 */ 1519 static void 1520 amidisplaycc_setfont(struct amidisplaycc_screen *scr, 1521 struct wsdisplay_font *font, int wsfontcookie) 1522 { 1523 if (scr == NULL) 1524 panic("amidisplaycc_setfont: scr==NULL"); 1525 if (font == NULL && wsfontcookie != -1) 1526 panic("amidisplaycc_setfont: no font but eat cookie"); 1527 if (scr->font == NULL && scr->wsfontcookie != -1) 1528 panic("amidisplaycc_setfont: no font but eat old cookie"); 1529 1530 scr->font = font; 1531 1532 if (scr->wsfontcookie != -1) 1533 wsfont_unlock(scr->wsfontcookie); 1534 1535 scr->wsfontcookie = wsfontcookie; 1536 } 1537 1538 /* 1539 * Try to find the named font and set the screen to use it. 1540 * Check both the fonts we have loaded with load_font and 1541 * fonts from wsfont system. 1542 * 1543 * Returns 0 on success. 1544 */ 1545 1546 static int 1547 amidisplaycc_setnamedfont(struct amidisplaycc_screen *scr, char *fontname) 1548 { 1549 struct wsdisplay_font * font; 1550 int wsfontcookie; 1551 1552 wsfontcookie = -1; 1553 1554 if (scr == NULL || scr->device == NULL) { 1555 dprintf("amidisplaycc_setnamedfont: invalid\n"); 1556 return (EINVAL); 1557 } 1558 1559 /* Try first our dynamically loaded fonts. */ 1560 font = amidisplaycc_findfont(scr->device, 1561 fontname, 1562 scr->fontwidth, 1563 scr->fontheight); 1564 1565 if (font == NULL) { 1566 /* 1567 * Ok, no dynamically loaded font found. 1568 * Try the wsfont system then. 1569 */ 1570 wsfontcookie = wsfont_find(fontname, 1571 scr->fontwidth, 1572 scr->fontheight, 1573 1, 1574 WSDISPLAY_FONTORDER_L2R, 1575 WSDISPLAY_FONTORDER_L2R); 1576 1577 if (wsfontcookie == -1) 1578 return (EINVAL); 1579 1580 /* So, found a suitable font. Now lock it. */ 1581 if (wsfont_lock(wsfontcookie, 1582 &font)) 1583 return (EINVAL); 1584 1585 /* Ok here we have the font successfully. */ 1586 } 1587 1588 amidisplaycc_setfont(scr, font, wsfontcookie); 1589 return (0); 1590 } 1591 1592 /* 1593 * Load a font. This is used both to load a font and set it to screen. 1594 * The function depends on the parameters. 1595 * If the font has no data we must set a previously loaded 1596 * font with the same name. If it has data, then just load 1597 * the font but don't use it. 1598 */ 1599 int 1600 amidisplaycc_load_font(void *dp, void *cookie, struct wsdisplay_font *font) 1601 { 1602 struct amidisplaycc_softc * adp; 1603 struct amidisplaycc_screen * scr; 1604 struct wsdisplay_font * myfont; 1605 1606 u_int8_t * c; 1607 void * olddata; 1608 char * name; 1609 1610 u_int size; 1611 u_int i; 1612 1613 1614 adp = dp; 1615 scr = cookie; 1616 1617 /* 1618 * If font has no data it means we have to find the 1619 * named font and use it. 1620 */ 1621 if (scr && font && font->name && !font->data) 1622 return amidisplaycc_setnamedfont(scr, font->name); 1623 1624 1625 /* Pre-load the font it is */ 1626 1627 if (font->stride != 1) { 1628 dprintf("amidisplaycc_load_font: stride %d != 1\n", 1629 font->stride); 1630 return (EINVAL); 1631 } 1632 1633 if (font->fontwidth != 8) { 1634 dprintf("amidisplaycc_load_font: width %d not supported\n", 1635 font->fontwidth); 1636 return (EINVAL); 1637 } 1638 1639 /* Size of the font in bytes... Assuming stride==1 */ 1640 size = font->fontheight * font->numchars; 1641 1642 /* Check if the same font was loaded before */ 1643 myfont = amidisplaycc_findfont(adp, 1644 font->name, 1645 font->fontwidth, 1646 font->fontheight); 1647 1648 olddata = NULL; 1649 if (myfont) { 1650 /* Old font found, we will replace */ 1651 1652 if (myfont->name == NULL || myfont->data == NULL) 1653 panic("replacing NULL font/data"); 1654 1655 /* 1656 * Store the old data pointer. We'll free it later 1657 * when the new one is in place. Reallocation is needed 1658 * because the new font may have a different number 1659 * of characters in it than the last time it was loaded. 1660 */ 1661 1662 olddata = myfont->data; 1663 1664 } else { 1665 /* Totally brand new font */ 1666 1667 /* Try to find empty slot for the font */ 1668 myfont = amidisplaycc_findfont(adp, NULL, 0, 0); 1669 1670 if (myfont == NULL) 1671 return (ENOMEM); 1672 1673 bzero(myfont, sizeof(struct wsdisplay_font)); 1674 1675 myfont->fontwidth = font->fontwidth; 1676 myfont->fontheight = font->fontheight; 1677 myfont->stride = font->stride; 1678 1679 name = malloc(strlen(font->name)+1, 1680 M_DEVBUF, 1681 M_WAITOK); 1682 strcpy(name, font->name); 1683 myfont->name = name; 1684 } 1685 myfont->firstchar = font->firstchar; 1686 myfont->numchars = font->numchars; 1687 1688 myfont->data = malloc(size, 1689 M_DEVBUF, 1690 M_WAITOK); 1691 1692 if (olddata) 1693 free(olddata, M_DEVBUF); 1694 1695 1696 memcpy(myfont->data, font->data, size); 1697 1698 if (font->bitorder == WSDISPLAY_FONTORDER_R2L) { 1699 /* Reverse the characters. */ 1700 c = myfont->data; 1701 for (i = 0 ; i < size ; i++) { 1702 *c = ((*c & 0x0f) << 4) | ((*c & 0xf0) >> 4); 1703 *c = ((*c & 0x33) << 2) | ((*c & 0xcc) >> 2); 1704 *c = ((*c & 0x55) << 1) | ((*c & 0xaa) >> 1); 1705 1706 c++; 1707 } 1708 } 1709 1710 /* Yeah, we made it */ 1711 return (0); 1712 } 1713 1714 /* 1715 * Set display on/off. 1716 */ 1717 static int 1718 amidisplaycc_setvideo(struct amidisplaycc_softc *adp, int mode) 1719 { 1720 view_t * view; 1721 1722 if (adp == NULL) { 1723 dprintf("amidisplaycc_setvideo: adp==NULL\n"); 1724 return (EINVAL); 1725 } 1726 if (adp->currentscreen == NULL) { 1727 dprintf("amidisplaycc_setvideo: adp->currentscreen==NULL\n"); 1728 return (EINVAL); 1729 } 1730 1731 /* select graphics or emulation screen */ 1732 if (adp->gfxon && adp->gfxview) 1733 view = adp->gfxview; 1734 else 1735 view = adp->currentscreen->view; 1736 1737 if (mode) { 1738 /* on */ 1739 1740 grf_display_view(view); 1741 dprintf("amidisplaycc: video is now on\n"); 1742 adp->ison = 1; 1743 1744 } else { 1745 /* off */ 1746 1747 grf_remove_view(view); 1748 dprintf("amidisplaycc: video is now off\n"); 1749 adp->ison = 0; 1750 } 1751 1752 return (0); 1753 } 1754 1755 /* 1756 * Handle the WSDISPLAY_[PUT/GET]CMAP ioctls. 1757 * Just handle the copying of data to/from userspace and 1758 * let the functions amidisplaycc_setcmap and amidisplaycc_putcmap 1759 * do the real work. 1760 */ 1761 1762 static int 1763 amidisplaycc_cmapioctl(view_t *view, u_long cmd, struct wsdisplay_cmap *cmap) 1764 { 1765 struct wsdisplay_cmap tmpcmap; 1766 u_char cmred[MAXCOLORS]; 1767 u_char cmgrn[MAXCOLORS]; 1768 u_char cmblu[MAXCOLORS]; 1769 1770 int err; 1771 1772 if (cmap->index >= MAXCOLORS || 1773 cmap->count > MAXCOLORS || 1774 cmap->index + cmap->count > MAXCOLORS) 1775 return (EINVAL); 1776 1777 if (cmap->count == 0) 1778 return (0); 1779 1780 tmpcmap.index = cmap->index; 1781 tmpcmap.count = cmap->count; 1782 tmpcmap.red = cmred; 1783 tmpcmap.green = cmgrn; 1784 tmpcmap.blue = cmblu; 1785 1786 if (cmd == WSDISPLAYIO_PUTCMAP) { 1787 /* copy the color data to kernel space */ 1788 1789 err = copyin(cmap->red, cmred, cmap->count); 1790 if (err) 1791 return (err); 1792 1793 err = copyin(cmap->green, cmgrn, cmap->count); 1794 if (err) 1795 return (err); 1796 1797 err = copyin(cmap->blue, cmblu, cmap->count); 1798 if (err) 1799 return (err); 1800 1801 return amidisplaycc_setcmap(view, &tmpcmap); 1802 1803 } else if (cmd == WSDISPLAYIO_GETCMAP) { 1804 1805 err = amidisplaycc_getcmap(view, &tmpcmap); 1806 if (err) 1807 return (err); 1808 1809 /* copy data to user space */ 1810 1811 err = copyout(cmred, cmap->red, cmap->count); 1812 if (err) 1813 return (err); 1814 1815 err = copyout(cmgrn, cmap->green, cmap->count); 1816 if (err) 1817 return (err); 1818 1819 err = copyout(cmblu, cmap->blue, cmap->count); 1820 if (err) 1821 return (err); 1822 1823 return (0); 1824 1825 } else 1826 return (EPASSTHROUGH); 1827 } 1828 1829 /* 1830 * Set the palette of a emulation screen. 1831 * Here we do only color remapping and then call 1832 * amidisplaycc_setcmap to do the work. 1833 */ 1834 1835 static int 1836 amidisplaycc_setemulcmap(struct amidisplaycc_screen *scr, 1837 struct wsdisplay_cmap *cmap) 1838 { 1839 struct wsdisplay_cmap tmpcmap; 1840 1841 u_char red [MAXCOLORS]; 1842 u_char grn [MAXCOLORS]; 1843 u_char blu [MAXCOLORS]; 1844 1845 int rc; 1846 int i; 1847 1848 /* 1849 * Get old palette first. 1850 * Because of the color mapping going on in the emulation 1851 * screen the color range may not be contiguous in the real 1852 * palette. 1853 * So get the whole palette, insert the new colors 1854 * at the appropriate places and then set the whole 1855 * palette back. 1856 */ 1857 1858 tmpcmap.index = 0; 1859 tmpcmap.count = 1 << scr->depth; 1860 tmpcmap.red = red; 1861 tmpcmap.green = grn; 1862 tmpcmap.blue = blu; 1863 1864 rc = amidisplaycc_getcmap(scr->view, &tmpcmap); 1865 if (rc) 1866 return (rc); 1867 1868 for (i = cmap->index ; i < cmap->index + cmap->count ; i++) { 1869 1870 tmpcmap.red [ scr->colormap[ i ] ] = cmap->red [ i ]; 1871 tmpcmap.green [ scr->colormap[ i ] ] = cmap->green [ i ]; 1872 tmpcmap.blue [ scr->colormap[ i ] ] = cmap->blue [ i ]; 1873 } 1874 1875 rc = amidisplaycc_setcmap(scr->view, &tmpcmap); 1876 if (rc) 1877 return (rc); 1878 1879 return (0); 1880 } 1881 1882 1883 /* 1884 * Set the colormap for the given screen. 1885 */ 1886 1887 static int 1888 amidisplaycc_setcmap(view_t *view, struct wsdisplay_cmap *cmap) 1889 { 1890 u_long cmentries [MAXCOLORS]; 1891 1892 int green_div; 1893 int blue_div; 1894 int grey_div; 1895 int red_div; 1896 u_int colors; 1897 int index; 1898 int count; 1899 int err; 1900 colormap_t cm; 1901 int c; 1902 1903 if (view == NULL) 1904 return (EINVAL); 1905 1906 if (!cmap || !cmap->red || !cmap->green || !cmap->blue) { 1907 dprintf("amidisplaycc_setcmap: other==NULL\n"); 1908 return (EINVAL); 1909 } 1910 1911 index = cmap->index; 1912 count = cmap->count; 1913 colors = (1 << view->bitmap->depth); 1914 1915 if (count > colors || index >= colors || index + count > colors) 1916 return (EINVAL); 1917 1918 if (count == 0) 1919 return (0); 1920 1921 cm.entry = cmentries; 1922 cm.first = index; 1923 cm.size = count; 1924 1925 /* 1926 * Get the old colormap. We need to do this at least to know 1927 * how many bits to use with the color values. 1928 */ 1929 1930 err = grf_get_colormap(view, &cm); 1931 if (err) 1932 return (err); 1933 1934 /* 1935 * The palette entries from wscons contain 8 bits per gun. 1936 * We need to convert them to the number of bits the view 1937 * expects. That is typically 4 or 8. Here we calculate the 1938 * conversion constants with which we divide the color values. 1939 */ 1940 1941 if (cm.type == CM_COLOR) { 1942 red_div = 256 / (cm.red_mask + 1); 1943 green_div = 256 / (cm.green_mask + 1); 1944 blue_div = 256 / (cm.blue_mask + 1); 1945 } else if (cm.type == CM_GREYSCALE) 1946 grey_div = 256 / (cm.grey_mask + 1); 1947 else 1948 return (EINVAL); /* Hmhh */ 1949 1950 /* Copy our new values to the current colormap */ 1951 1952 for (c = 0 ; c < count ; c++) { 1953 1954 if (cm.type == CM_COLOR) { 1955 1956 cm.entry[c + index] = MAKE_COLOR_ENTRY( 1957 cmap->red[c] / red_div, 1958 cmap->green[c] / green_div, 1959 cmap->blue[c] / blue_div); 1960 1961 } else if (cm.type == CM_GREYSCALE) { 1962 1963 /* Generate grey from average of r-g-b (?) */ 1964 1965 cm.entry[c + index] = MAKE_COLOR_ENTRY( 1966 0, 1967 0, 1968 (cmap->red[c] + 1969 cmap->green[c] + 1970 cmap->blue[c]) / 3 / grey_div); 1971 } 1972 } 1973 1974 1975 /* 1976 * Now we have a new colormap that contains all the entries. Set 1977 * it to the view. 1978 */ 1979 1980 err = grf_use_colormap(view, &cm); 1981 if (err) 1982 return err; 1983 1984 return (0); 1985 } 1986 1987 /* 1988 * Return the colormap of the given screen. 1989 */ 1990 1991 static int 1992 amidisplaycc_getcmap(view_t *view, struct wsdisplay_cmap *cmap) 1993 { 1994 u_long cmentries [MAXCOLORS]; 1995 1996 int green_mul; 1997 int blue_mul; 1998 int grey_mul; 1999 int red_mul; 2000 u_int colors; 2001 int index; 2002 int count; 2003 int err; 2004 colormap_t cm; 2005 int c; 2006 2007 if (view == NULL) 2008 return (EINVAL); 2009 2010 if (!cmap || !cmap->red || !cmap->green || !cmap->blue) 2011 return (EINVAL); 2012 2013 index = cmap->index; 2014 count = cmap->count; 2015 colors = (1 << view->bitmap->depth); 2016 2017 if (count > colors || index >= colors || index + count > colors) 2018 return (EINVAL); 2019 2020 if (count == 0) 2021 return (0); 2022 2023 cm.entry = cmentries; 2024 cm.first = index; 2025 cm.size = count; 2026 2027 2028 err = grf_get_colormap(view, &cm); 2029 if (err) 2030 return (err); 2031 2032 if (cm.type == CM_COLOR) { 2033 red_mul = 256 / (cm.red_mask + 1); 2034 green_mul = 256 / (cm.green_mask + 1); 2035 blue_mul = 256 / (cm.blue_mask + 1); 2036 } else if (cm.type == CM_GREYSCALE) { 2037 grey_mul = 256 / (cm.grey_mask + 1); 2038 } else 2039 return (EINVAL); 2040 2041 /* 2042 * Copy color data to wscons-style structure. Translate to 2043 * 8 bits/gun from whatever resolution the color natively is. 2044 */ 2045 2046 for (c = 0 ; c < count ; c++) { 2047 2048 if (cm.type == CM_COLOR) { 2049 2050 cmap->red[c] = CM_GET_RED(cm.entry[index+c]); 2051 cmap->green[c] = CM_GET_GREEN(cm.entry[index+c]); 2052 cmap->blue[c] = CM_GET_BLUE(cm.entry[index+c]); 2053 2054 cmap->red[c] *= red_mul; 2055 cmap->green[c] *= green_mul; 2056 cmap->blue[c] *= blue_mul; 2057 2058 } else if (cm.type == CM_GREYSCALE) { 2059 cmap->red[c] = CM_GET_GREY(cm.entry[index+c]); 2060 cmap->red[c] *= grey_mul; 2061 2062 cmap->green[c] = cmap->red[c]; 2063 cmap->blue[c] = cmap->red[c]; 2064 } 2065 } 2066 2067 return (0); 2068 } 2069 2070 /* ARGSUSED */ 2071 void 2072 amidisplaycc_pollc(void *cookie, int on) 2073 { 2074 } 2075 2076 /* 2077 * These dummy functions are here just so that we can compete of 2078 * the console at init. 2079 * If we win the console then the wscons system will provide the 2080 * real ones which in turn will call the apropriate wskbd device. 2081 * These should never be called. 2082 */ 2083 2084 /* ARGSUSED */ 2085 void 2086 amidisplaycc_cnputc(dev_t cd, int ch) 2087 { 2088 } 2089 2090 /* ARGSUSED */ 2091 int 2092 amidisplaycc_cngetc(dev_t cd) 2093 { 2094 return (0); 2095 } 2096 2097 /* ARGSUSED */ 2098 void 2099 amidisplaycc_cnpollc(dev_t cd, int on) 2100 { 2101 } 2102 2103 2104 /* 2105 * Prints stuff if DEBUG is turned on. 2106 */ 2107 2108 /* ARGSUSED */ 2109 static void 2110 dprintf(const char *fmt, ...) 2111 { 2112 #ifdef DEBUG 2113 va_list ap; 2114 2115 va_start(ap, fmt); 2116 vprintf(fmt, ap); 2117 va_end(ap); 2118 #endif 2119 } 2120 2121 #endif /* AMIDISPLAYCC */ 2122