Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/fb/gfb.c
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1 /*- 2 * Copyright (c) 2001 Andrew Miklic 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 /* 27 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 28 * All rights reserved. 29 * 30 * Author: Chris G. Demetriou 31 * 32 * Permission to use, copy, modify and distribute this software and 33 * its documentation is hereby granted, provided that both the copyright 34 * notice and this permission notice appear in all copies of the 35 * software, derivative works or modified versions, and any portions 36 * thereof, and that both notices appear in supporting documentation. 37 * 38 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 39 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 40 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 41 * 42 * Carnegie Mellon requests users of this software to return to 43 * 44 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 45 * School of Computer Science 46 * Carnegie Mellon University 47 * Pittsburgh PA 15213-3890 48 * 49 * any improvements or extensions that they make and grant Carnegie the 50 * rights to redistribute these changes. 51 */ 52 53 #include <sys/cdefs.h> 54 __FBSDID("$FreeBSD: releng/5.1/sys/dev/fb/gfb.c 111462 2003-02-25 03:21:22Z mux $"); 55 56 #include <machine/stdarg.h> 57 58 #include <sys/param.h> 59 #include <sys/systm.h> 60 #include <sys/kernel.h> 61 #include <sys/conf.h> 62 #include <sys/proc.h> 63 #include <sys/fcntl.h> 64 #include <sys/malloc.h> 65 #include <sys/fbio.h> 66 67 #include <vm/vm.h> 68 #include <vm/vm_param.h> 69 #include <vm/pmap.h> 70 71 #include <machine/md_var.h> 72 #include <machine/pc/bios.h> 73 #include <machine/clock.h> 74 #include <machine/bus_memio.h> 75 #include <machine/bus.h> 76 #include <machine/pc/vesa.h> 77 #include <machine/resource.h> 78 #include <machine/rpb.h> 79 80 #include <sys/bus.h> 81 #include <sys/rman.h> 82 83 #include <pci/pcireg.h> 84 #include <pci/pcivar.h> 85 86 #include <dev/fb/fbreg.h> 87 #include <dev/fb/gfb.h> 88 #include <dev/gfb/gfb_pci.h> 89 90 #include "opt_gfb.h" 91 92 struct gfb_softc *gfb_device_softcs[2][MAX_NUM_GFB_CARDS] = { 93 { 94 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 95 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL 96 }, 97 { 98 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 99 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL 100 }, 101 }; 102 103 /* 104 The following 9 variables exist only because we need statically 105 allocated structures very early in boot to support gfb_configure()... 106 */ 107 struct gfb_softc console; 108 video_adapter_t console_adp; 109 struct gfb_conf console_gfbc; 110 u_char console_palette_red[256]; 111 u_char console_palette_green[256]; 112 u_char console_palette_blue[256]; 113 u_char console_cursor_palette_red[3]; 114 u_char console_cursor_palette_green[3]; 115 u_char console_cursor_palette_blue[3]; 116 117 extern struct gfb_font bold8x16; 118 119 /***************************************************************************** 120 * 121 * FB-generic functions 122 * 123 ****************************************************************************/ 124 125 int 126 gfb_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 127 { 128 int error; 129 130 /* Assume the best... */ 131 error = 0; 132 133 if((*adpp = vid_get_adapter(vid_find_adapter((char *)arg, unit))) == NULL) 134 error = ENODEV; 135 else 136 (*adpp)->va_flags |= V_ADP_PROBED; 137 138 return(error); 139 } 140 141 int 142 gfb_init(int unit, video_adapter_t *adp, int flags) 143 { 144 struct gfb_softc *sc; 145 struct gfb_conf *gfbc; 146 int error; 147 148 /* Assume the best... */ 149 error = 0; 150 151 if(!init_done(adp)) { 152 sc = gfb_device_softcs[adp->va_model][unit]; 153 gfbc = sc->gfbc; 154 155 /* Initialize the RAMDAC... */ 156 (*gfbc->ramdac_init)(sc); 157 158 /* Initialize the palettes... */ 159 (*gfbc->ramdac_load_palette)(sc->adp, &sc->gfbc->palette); 160 (*gfbc->ramdac_load_cursor_palette)(sc->adp, 161 &sc->gfbc->cursor_palette); 162 163 /* Prepare the default font... */ 164 (*vidsw[adp->va_index]->load_font)(adp, 0, bold8x16.height, 165 bold8x16.data, 0, 256); 166 adp->va_info.vi_cwidth = gfbc->fonts[0].width; 167 adp->va_info.vi_cheight = gfbc->fonts[0].height; 168 169 /* 170 Normalize vi_width and vi_height to be in terms of 171 on-screen characters, rather than pixels (*_init() 172 leaves them in terms of pixels... 173 */ 174 adp->va_info.vi_width /= adp->va_info.vi_cwidth; 175 adp->va_info.vi_height /= adp->va_info.vi_cheight; 176 177 /* Enable the default font... */ 178 (*vidsw[adp->va_index]->show_font)(adp, 0); 179 180 /* Enable future font-loading... */ 181 adp->va_flags |= V_ADP_FONT; 182 183 /* Flag this initialization for this adapter... */ 184 adp->va_flags |= V_ADP_INITIALIZED; 185 } 186 return(error); 187 } 188 189 int 190 gfb_get_info(video_adapter_t *adp, int mode, video_info_t *info) 191 { 192 int error; 193 194 /* Assume the best... */ 195 error = 0; 196 197 /* 198 The info for GFB adapters does not depend on its mode, 199 so just copy it indiscriminantly (actually, we originally 200 checked the mode, but the current fb framework is somewhat 201 sloppily done in places, and assumes VGA in several places, 202 which makes such checks always fail for such GFBs as TGA)... 203 */ 204 bcopy(&adp->va_info, info, sizeof(video_info_t)); 205 return(error); 206 } 207 208 int 209 gfb_set_mode(video_adapter_t *adp, int mode) 210 { 211 212 adp->va_mode = mode; 213 return(0); 214 } 215 216 int 217 gfb_save_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 218 int ch, int count) 219 { 220 struct gfb_softc *sc; 221 int error; 222 int i; 223 224 error = 0; 225 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 226 227 /* Check the font information... */ 228 if((sc->gfbc->fonts[page].height != fontsize) || 229 (sc->gfbc->fonts[page].width != 8)) 230 error = EINVAL; 231 else 232 233 /* 234 Copy the character pixel array from our 235 very own private cache... 236 */ 237 for(i = ch; i < count * fontsize; i++) 238 data[i] = adp->va_little_bitian ? 239 BIT_REVERSE(sc->gfbc->fonts[page].data[i]) : 240 sc->gfbc->fonts[page].data[i]; 241 242 return(error); 243 } 244 245 int 246 gfb_load_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 247 int ch, int count) 248 { 249 struct gfb_softc *sc; 250 int error; 251 int i; 252 253 error = 0; 254 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 255 256 /* Copy the character pixel array into our very own private cache... */ 257 for(i = ch; i < count * fontsize; i++) 258 sc->gfbc->fonts[page].data[i] = adp->va_little_bitian ? 259 BIT_REVERSE(data[i]) : data[i]; 260 261 /* Save the font information... */ 262 sc->gfbc->fonts[page].height = fontsize; 263 sc->gfbc->fonts[page].width = 8; 264 265 return(error); 266 } 267 268 int 269 gfb_show_font(video_adapter_t *adp, int page) 270 { 271 struct gfb_softc *sc; 272 int error; 273 274 error = 0; 275 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 276 277 /* Normalize adapter values... */ 278 adp->va_info.vi_height *= adp->va_info.vi_cheight; 279 adp->va_info.vi_width *= adp->va_info.vi_cwidth; 280 281 /* Set the current font pixels... */ 282 sc->gfbc->font = sc->gfbc->fonts[page].data; 283 284 /* Set the current font width... */ 285 adp->va_info.vi_cwidth = sc->gfbc->fonts[page].width; 286 287 /* Set the current font height... */ 288 adp->va_info.vi_cheight = sc->gfbc->fonts[page].height; 289 290 /* Recompute adapter values... */ 291 adp->va_info.vi_height /= adp->va_info.vi_cheight; 292 adp->va_info.vi_width /= adp->va_info.vi_cwidth; 293 294 return(error); 295 } 296 297 int 298 gfb_save_palette(video_adapter_t *adp, u_char *palette) 299 { 300 struct gfb_softc *sc; 301 int error; 302 int i; 303 304 error = 0; 305 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 306 307 #if 0 308 /* If we have a RAMDAC-specific counterpart, use it... */ 309 if(sc->gfbc->ramdac_save_palette) 310 error = sc->gfbc->ramdac_save_palette(adp, &sc->gfbc->palette); 311 312 else 313 /* Otherwise, use the built-in functionality... */ 314 error = sc->gfbc->builtin_save_palette(adp, &sc->gfbc->palette); 315 #endif 316 317 for(i = 0; i < sc->gfbc->palette.count; i++) { 318 palette[(3 * i)] = sc->gfbc->palette.red[i]; 319 palette[(3 * i) + 1] = sc->gfbc->palette.green[i]; 320 palette[(3 * i) + 2] = sc->gfbc->palette.blue[i]; 321 } 322 return(error); 323 } 324 325 int 326 gfb_load_palette(video_adapter_t *adp, u_char *palette) 327 { 328 struct gfb_softc *sc; 329 int error; 330 int i; 331 332 error = 0; 333 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 334 335 for(i = 0; i < sc->gfbc->palette.count; i++) { 336 sc->gfbc->palette.red[i] = palette[(3 * i)]; 337 sc->gfbc->palette.green[i] = palette[(3 * i) + 1]; 338 sc->gfbc->palette.blue[i] = palette[(3 * i) + 2]; 339 } 340 341 /* If we have a RAMDAC-specific counterpart, use it... */ 342 if(sc->gfbc->ramdac_load_palette) 343 error = sc->gfbc->ramdac_load_palette(adp, &sc->gfbc->palette); 344 else 345 /* Otherwise, use the built-in functionality... */ 346 error = sc->gfbc->builtin_load_palette(adp, &sc->gfbc->palette); 347 348 return(error); 349 } 350 351 int 352 gfb_set_border(video_adapter_t *adp, int color) 353 { 354 355 return(ENODEV); 356 } 357 358 int 359 gfb_save_state(video_adapter_t *adp, void *p, size_t size) 360 { 361 int i; 362 u_int32_t *regs; 363 364 regs = (u_int32_t *)p; 365 regs[0] = size; 366 for(i = 1; i <= size; i++) 367 regs[i] = READ_GFB_REGISTER(adp, i); 368 return(0); 369 } 370 371 int 372 gfb_load_state(video_adapter_t *adp, void *p) 373 { 374 size_t size; 375 int i; 376 u_int32_t *regs; 377 378 regs = (u_int32_t *)p; 379 size = regs[0]; 380 for(i = 1; i <= size; i++) 381 WRITE_GFB_REGISTER(adp, i, regs[i]); 382 return(0); 383 } 384 385 int 386 gfb_set_win_org(video_adapter_t *adp, off_t offset) 387 { 388 389 adp->va_window_orig = offset; 390 return(0); 391 } 392 393 int 394 gfb_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 395 { 396 struct gfb_softc *sc; 397 int error; 398 399 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 400 401 /* If we have a RAMDAC-specific counterpart, use it... */ 402 if(sc->gfbc->ramdac_read_hw_cursor) 403 error = sc->gfbc->ramdac_read_hw_cursor(adp, col, row); 404 else 405 /* Otherwise, use the built-in functionality... */ 406 error = sc->gfbc->builtin_read_hw_cursor(adp, col, row); 407 408 return(error); 409 } 410 411 int 412 gfb_set_hw_cursor(adp, col, row) 413 video_adapter_t *adp; 414 int col; 415 int row; 416 { 417 int error; 418 struct gfb_softc *sc; 419 420 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 421 422 /* If we have a RAMDAC-specific counterpart, use it... */ 423 if(sc->gfbc->ramdac_set_hw_cursor) 424 error = sc->gfbc->ramdac_set_hw_cursor(adp, col, row); 425 426 /* Otherwise, use the built-in functionality... */ 427 else 428 error = sc->gfbc->builtin_set_hw_cursor(adp, col, row); 429 return(error); 430 } 431 432 int 433 gfb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 434 int cellsize, int blink) 435 { 436 struct gfb_softc *sc; 437 int error; 438 439 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 440 441 /* If we have a RAMDAC-specific counterpart, use it... */ 442 if(sc->gfbc->ramdac_set_hw_cursor_shape) 443 error = sc->gfbc->ramdac_set_hw_cursor_shape(adp, base, height, 444 cellsize, blink); 445 else 446 /* Otherwise, use the built-in functionality... */ 447 error = sc->gfbc->builtin_set_hw_cursor_shape(adp, base, 448 height, cellsize, blink); 449 450 return(error); 451 } 452 453 int 454 gfb_mmap(video_adapter_t *adp, vm_offset_t offset, vm_offset_t *paddr, int prot) 455 { 456 457 /* XXX */ 458 if(offset > adp->va_window_size - PAGE_SIZE) 459 return(ENXIO); 460 *paddr = adp->va_info.vi_window + offset; 461 return(0); 462 } 463 464 int 465 gfb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 466 { 467 struct gfb_softc *sc; 468 int error; 469 470 error = 0; 471 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 472 473 switch (cmd) { 474 case FBIOPUTCMAP: 475 /* FALLTHROUGH */ 476 case FBIO_GETWINORG: 477 /* FALLTHROUGH */ 478 case FBIO_SETWINORG: 479 /* FALLTHROUGH */ 480 case FBIO_SETDISPSTART: 481 /* FALLTHROUGH */ 482 case FBIO_SETLINEWIDTH: 483 /* FALLTHROUGH */ 484 case FBIO_GETPALETTE: 485 /* FALLTHROUGH */ 486 case FBIOGTYPE: 487 /* FALLTHROUGH */ 488 case FBIOGETCMAP: 489 /* FALLTHROUGH */ 490 default: 491 error = fb_commonioctl(adp, cmd, arg); 492 } 493 return(error); 494 } 495 496 int 497 gfb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 498 { 499 int off; 500 501 /* 502 Just traverse the buffer, one pixel span at a time, setting 503 each pixel to the block-color... 504 */ 505 for(off = (x * y); off < ((x + cx) * (y + cy)); off++) 506 (*vidsw[adp->va_index]->putp)(adp, off, 0x000007ff, 0xffffffff, 507 sizeof(u_int32_t), 1, 0, 0); 508 509 return(0); 510 } 511 512 int 513 gfb_bitblt(video_adapter_t *adp, ...) 514 { 515 va_list args; 516 vm_offset_t src, dst; 517 int count, i; 518 u_int32_t val; 519 520 va_start(args, adp); 521 522 src = (va_arg(args, vm_offset_t) + adp->va_window_orig) & 523 0x0000000000fffff8; 524 dst = (va_arg(args, vm_offset_t) + adp->va_window_orig) & 525 0x0000000000fffff8; 526 count = va_arg(args, int); 527 for(i = 0; i < count; i++, src++, dst++) { 528 val = READ_GFB_BUFFER(adp, src); 529 WRITE_GFB_BUFFER(adp, dst, val); 530 } 531 va_end(args); 532 return(0); 533 } 534 535 int 536 /*gfb_clear(video_adapter_t *adp, int n)*/ 537 gfb_clear(video_adapter_t *adp) 538 { 539 int off; 540 541 #if 0 542 if(n == 0) 543 return(0); 544 #endif 545 546 /* 547 Just traverse the buffer, one 2K-pixel span at a time, clearing 548 each pixel... 549 */ 550 /* for(off = 0; off < (n * adp->va_line_width); off += (2 KB)) */ 551 for(off = 0; off < adp->va_window_size; off++) 552 (*vidsw[adp->va_index]->putp)(adp, off, 0x000007ff, 0xffffffff, 553 sizeof(u_int32_t), 1, 0, 0); 554 555 return(0); 556 } 557 558 int 559 gfb_diag(video_adapter_t *adp, int level) 560 { 561 video_info_t info; 562 struct gfb_softc *sc; 563 int error; 564 565 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 566 567 /* Just dump everything we know about the adapter to the screen... */ 568 fb_dump_adp_info(sc->driver_name, adp, level); 569 570 /* Try to get the info on this adapter... */ 571 if(!(error = (*vidsw[adp->va_index]->get_info)(adp, 572 adp->va_initial_mode, &info))) 573 /* 574 Just dump everything we know about the adapter's mode 575 to the screen... 576 */ 577 fb_dump_mode_info(sc->driver_name, adp, &info, level); 578 579 return(error); 580 } 581 582 int 583 gfb_save_cursor_palette(video_adapter_t *adp, u_char *palette) 584 { 585 struct gfb_softc *sc; 586 int error, i; 587 588 error = 0; 589 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 590 591 #if 0 592 /* If we have a RAMDAC-specific counterpart, use it... */ 593 if(sc->gfbc->ramdac_save_cursor_palette) 594 error = sc->gfbc->ramdac_save_cursor_palette(adp, 595 &sc->gfbc->cursor_palette); 596 597 else 598 /* Otherwise, use the built-in functionality... */ 599 error = sc->gfbc->builtin_save_cursor_palette(adp, 600 &sc->gfbc->cursor_palette); 601 #endif 602 603 for(i = 0; i < sc->gfbc->cursor_palette.count; i++) { 604 palette[(3 * i)] = sc->gfbc->cursor_palette.red[i]; 605 palette[(3 * i) + 1] = sc->gfbc->cursor_palette.green[i]; 606 palette[(3 * i) + 2] = sc->gfbc->cursor_palette.blue[i]; 607 } 608 return(error); 609 } 610 611 int 612 gfb_load_cursor_palette(video_adapter_t *adp, u_char *palette) 613 { 614 struct gfb_softc *sc; 615 int error, i; 616 617 error = 0; 618 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 619 620 for(i = 0; i < sc->gfbc->cursor_palette.count; i++) { 621 sc->gfbc->cursor_palette.red[i] = palette[(3 * i)]; 622 sc->gfbc->cursor_palette.green[i] = palette[(3 * i) + 1]; 623 sc->gfbc->cursor_palette.blue[i] = palette[(3 * i) + 2]; 624 } 625 626 /* If we have a RAMDAC-specific counterpart, use it... */ 627 if(sc->gfbc->ramdac_load_cursor_palette) 628 error = sc->gfbc->ramdac_load_cursor_palette(adp, 629 &sc->gfbc->cursor_palette); 630 else 631 /* Otherwise, use the built-in functionality... */ 632 error = sc->gfbc->builtin_load_cursor_palette(adp, 633 &sc->gfbc->cursor_palette); 634 635 return(error); 636 } 637 638 int 639 gfb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n) 640 { 641 int error, num_pixels; 642 643 if(n == 0) 644 return(0); 645 num_pixels = adp->va_info.vi_cheight * adp->va_line_width; 646 error = (*vidsw[adp->va_index]->bitblt)(adp, src * num_pixels, 647 dst * num_pixels, n * num_pixels); 648 return(error); 649 } 650 651 int 652 gfb_putp(video_adapter_t *adp, vm_offset_t off, u_int32_t p, u_int32_t a, 653 int size, int bpp, int bit_ltor, int byte_ltor) 654 { 655 int i, j, k, num_shifts; 656 u_int32_t _p, val[32]; 657 658 if(bpp < 1) 659 return(-1); 660 661 /* 662 If we don't display bits right-to-left (little-bitian?), 663 then perform a bit-swap on p... 664 */ 665 if(bit_ltor) { 666 num_shifts = 8 * size; 667 for(i = 0, _p = 0; i < num_shifts; i++, p >>= 1) { 668 _p <<= 1; 669 _p |= (p & 0x00000001); 670 } 671 } else 672 _p = p; 673 674 switch(bpp) { 675 /* Accelerate the simplest cases... */ 676 case 1: 677 if((a & 0x00000001) == 0) 678 val[0] = 0; 679 else if(size <= 0) 680 val[0] = 0; 681 else if(size == 1) 682 val[0] = _p & 0x000000ff; 683 else if(size == 2) 684 val[0] = _p & 0x0000ffff; 685 else if(size == 3) 686 val[0] = _p & 0x00ffffff; 687 else if(size == 4) 688 val[0] = _p & 0xffffffff; 689 break; 690 691 /* Only do the following if we are not a simple case... */ 692 case 8: 693 if(size > 0) { 694 a &= 0x000000ff; 695 val[0] = 0; 696 if(_p & 0x00000001) val[0] |= (a); 697 if(_p & 0x00000002) val[0] |= (a << 8); 698 if(_p & 0x00000004) val[0] |= (a << 16); 699 if(_p & 0x00000008) val[0] |= (a << 24); 700 val[1] = 0; 701 if(_p & 0x00000010) val[1] |= (a); 702 if(_p & 0x00000020) val[1] |= (a << 8); 703 if(_p & 0x00000040) val[1] |= (a << 16); 704 if(_p & 0x00000080) val[1] |= (a << 24); 705 } 706 if(size > 1) { 707 val[2] = 0; 708 if(_p & 0x00000100) val[2] |= (a); 709 if(_p & 0x00000200) val[2] |= (a << 8); 710 if(_p & 0x00000400) val[2] |= (a << 16); 711 if(_p & 0x00000800) val[2] |= (a << 24); 712 val[3] = 0; 713 if(_p & 0x00001000) val[3] |= (a); 714 if(_p & 0x00002000) val[3] |= (a << 8); 715 if(_p & 0x00004000) val[3] |= (a << 16); 716 if(_p & 0x00008000) val[3] |= (a << 24); 717 } 718 if(size > 2) { 719 val[4] = 0; 720 if(_p & 0x00010000) val[4] |= (a); 721 if(_p & 0x00020000) val[4] |= (a << 8); 722 if(_p & 0x00040000) val[4] |= (a << 16); 723 if(_p & 0x00080000) val[4] |= (a << 24); 724 val[5] = 0; 725 if(_p & 0x00100000) val[5] |= (a); 726 if(_p & 0x00200000) val[5] |= (a << 8); 727 if(_p & 0x00400000) val[5] |= (a << 16); 728 if(_p & 0x00800080) val[5] |= (a << 24); 729 } 730 if(size > 3) { 731 val[6] = 0; 732 if(_p & 0x01000000) val[6] |= (a); 733 if(_p & 0x02000000) val[6] |= (a << 8); 734 if(_p & 0x04000000) val[6] |= (a << 16); 735 if(_p & 0x08000000) val[6] |= (a << 24); 736 val[7] = 0; 737 if(_p & 0x10000000) val[7] |= (a); 738 if(_p & 0x20000000) val[7] |= (a << 8); 739 if(_p & 0x40000000) val[7] |= (a << 16); 740 if(_p & 0x80000000) val[7] |= (a << 24); 741 } 742 break; 743 case 16: 744 if(size > 0) { 745 a &= 0x0000ffff; 746 if(_p & 0x00000001) val[0] |= (a); 747 if(_p & 0x00000002) val[0] |= (a << 16); 748 if(_p & 0x00000004) val[1] |= (a); 749 if(_p & 0x00000008) val[1] |= (a << 16); 750 if(_p & 0x00000010) val[2] |= (a); 751 if(_p & 0x00000020) val[2] |= (a << 16); 752 if(_p & 0x00000040) val[3] |= (a); 753 if(_p & 0x00000080) val[3] |= (a << 16); 754 } 755 if(size > 1) { 756 if(_p & 0x00000100) val[4] |= (a); 757 if(_p & 0x00000200) val[4] |= (a << 16); 758 if(_p & 0x00000400) val[5] |= (a); 759 if(_p & 0x00000800) val[5] |= (a << 16); 760 if(_p & 0x00001000) val[6] |= (a); 761 if(_p & 0x00002000) val[6] |= (a << 16); 762 if(_p & 0x00004000) val[7] |= (a); 763 if(_p & 0x00008000) val[7] |= (a << 16); 764 } 765 if(size > 2) { 766 if(_p & 0x00010000) val[8] |= (a); 767 if(_p & 0x00020000) val[8] |= (a << 16); 768 if(_p & 0x00040000) val[9] |= (a); 769 if(_p & 0x00080000) val[9] |= (a << 16); 770 if(_p & 0x00100000) val[10] |= (a); 771 if(_p & 0x00200000) val[10] |= (a << 16); 772 if(_p & 0x00400000) val[11] |= (a); 773 if(_p & 0x00800000) val[11] |= (a << 16); 774 } 775 if(size > 3) { 776 if(_p & 0x01000000) val[12] |= (a); 777 if(_p & 0x02000000) val[12] |= (a << 16); 778 if(_p & 0x04000000) val[13] |= (a); 779 if(_p & 0x08000000) val[13] |= (a << 16); 780 if(_p & 0x10000000) val[14] |= (a); 781 if(_p & 0x20000000) val[14] |= (a << 16); 782 if(_p & 0x40000000) val[15] |= (a); 783 if(_p & 0x80000000) val[15] |= (a << 16); 784 } 785 break; 786 case 32: 787 if(size > 0) { 788 a &= 0xffffffff; 789 if(_p & 0x00000001) val[0] = (a); 790 if(_p & 0x00000002) val[1] = (a); 791 if(_p & 0x00000004) val[2] = (a); 792 if(_p & 0x00000008) val[3] = (a); 793 if(_p & 0x00000010) val[4] = (a); 794 if(_p & 0x00000020) val[5] = (a); 795 if(_p & 0x00000040) val[6] = (a); 796 if(_p & 0x00000080) val[7] = (a); 797 } 798 if(size > 1) { 799 if(_p & 0x00000100) val[8] = (a); 800 if(_p & 0x00000200) val[9] = (a); 801 if(_p & 0x00000400) val[10] = (a); 802 if(_p & 0x00000800) val[11] = (a); 803 if(_p & 0x00001000) val[12] = (a); 804 if(_p & 0x00002000) val[13] = (a); 805 if(_p & 0x00004000) val[14] = (a); 806 if(_p & 0x00008000) val[15] = (a); 807 } 808 if(size > 2) { 809 if(_p & 0x00010000) val[16] = (a); 810 if(_p & 0x00020000) val[17] = (a); 811 if(_p & 0x00040000) val[18] = (a); 812 if(_p & 0x00080000) val[19] = (a); 813 if(_p & 0x00100000) val[20] = (a); 814 if(_p & 0x00200000) val[21] = (a); 815 if(_p & 0x00400000) val[22] = (a); 816 if(_p & 0x00800000) val[23] = (a); 817 } 818 if(size > 3) { 819 if(_p & 0x01000000) val[24] = (a); 820 if(_p & 0x02000000) val[25] = (a); 821 if(_p & 0x04000000) val[26] = (a); 822 if(_p & 0x08000000) val[27] = (a); 823 if(_p & 0x10000000) val[28] = (a); 824 if(_p & 0x20000000) val[29] = (a); 825 if(_p & 0x40000000) val[30] = (a); 826 if(_p & 0x80000000) val[31] = (a); 827 } 828 break; 829 default: 830 break; 831 } 832 j = (bpp == 1) ? 1 : bpp * size / sizeof(u_int32_t); 833 834 /* 835 If we don't display bytes right-to-left (little-endian), 836 then perform a byte-swap on p (we don't have to swap if 837 bpp == 1 and val[0] == 0)... 838 */ 839 if((byte_ltor) && (j > 1) && (val[j] != 0)) { 840 for(i = 0; i < (j - i); i++) { 841 _p = val[j - i]; 842 val[j - i] = val[i]; 843 val[i] = _p; 844 } 845 for(i = 0; i < j; i++) { 846 _p = val[i]; 847 for(k = 0, val[i] = 0; k < sizeof(u_int32_t); 848 k++, _p >>= 8) { 849 val[i] <<= 8; 850 val[i] |= (_p & 0xff); 851 } 852 } 853 } 854 855 for(i = 0; i < j; i++) { 856 /* Write the pixel-row... */ 857 WRITE_GFB_BUFFER(adp, (off + i), val[i]); 858 } 859 return(0); 860 } 861 862 int 863 gfb_putc(video_adapter_t *adp, vm_offset_t off, u_int8_t c, u_int8_t a) 864 { 865 vm_offset_t poff; 866 struct gfb_softc *sc; 867 int i, pixel_size; 868 u_int row, col; 869 u_int8_t *pixel; 870 871 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 872 pixel_size = adp->va_info.vi_depth / 8; 873 874 /* Get the start of the array of pixels rows for this character... */ 875 pixel = sc->gfbc->font + (c * adp->va_info.vi_cheight); 876 877 /* Calculate the new cursor position... */ 878 row = off / adp->va_info.vi_width; 879 col = off % adp->va_info.vi_width; 880 881 /* Iterate over all the pixel rows for this character... */ 882 for(i = 0; i < adp->va_info.vi_cheight; i++) { 883 /* Get the address of the character's pixel-row... */ 884 poff = ((col * adp->va_info.vi_cwidth * pixel_size) + 885 (((row * adp->va_info.vi_cheight) + i) * 886 adp->va_line_width)) / sizeof(u_int32_t); 887 888 /* Now display the current pixel row... */ 889 (*vidsw[adp->va_index]->putp)(adp, poff, pixel[i], a, 890 sizeof(u_int8_t), 1, 1, 0); 891 } 892 return(0); 893 } 894 895 int 896 gfb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len) 897 { 898 struct gfb_softc *sc; 899 int i; 900 901 sc = gfb_device_softcs[adp->va_model][adp->va_unit]; 902 903 /* If the string in empty, just return now... */ 904 if(len == 0) 905 return(0); 906 907 for(i = 0; i < len; i++) 908 (*vidsw[adp->va_index]->putc)(adp, off + i, s[i] & 0x00ff, 909 (s[i] & 0xff00) >> 8); 910 911 return(0); 912 } 913 914 int 915 gfb_putm(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image, 916 u_int32_t pixel_mask, int size) 917 { 918 vm_offset_t poff; 919 int i, pixel_size; 920 921 pixel_size = adp->va_info.vi_depth / 8; 922 923 /* Iterate over all the pixel rows for the mouse pointer... */ 924 for(i = 0; i < size; i++) { 925 /* Get the address of the mouse pointer's pixel-row... */ 926 poff = ((x * pixel_size) + ((y + i) * adp->va_line_width)) / 927 sizeof(u_int32_t); 928 /* Now display the current pixel-row... */ 929 (*vidsw[adp->va_index]->putp)(adp, poff, pixel_image[i], 930 pixel_mask, sizeof(u_int8_t), 1, 1, 0); 931 } 932 933 return(0); 934 } 935 936 int 937 gfb_error(void) 938 { 939 940 return(0); 941 }
Cache object: 1a58b7ef827ac546379533e0e4506ee2
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