| scvidctl.c (132107) | scvidctl.c (146736) |
|---|---|
| 1/*- 2 * Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * | 1/*- 2 * Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * |
| 5 * This code is derived from software contributed to The DragonFly Project 6 * by Sascha Wildner <saw@online.de> 7 * |
|
| 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 as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the --- 7 unchanged lines hidden (view full) --- 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer as 13 * the first lines of this file unmodified. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the --- 7 unchanged lines hidden (view full) --- 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> |
| 28__FBSDID("$FreeBSD: head/sys/dev/syscons/scvidctl.c 132107 2004-07-13 16:06:19Z stefanf $"); | 31__FBSDID("$FreeBSD: head/sys/dev/syscons/scvidctl.c 146736 2005-05-29 08:43:44Z delphij $"); |
| 29 30#include "opt_syscons.h" 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/conf.h> 35#include <sys/signalvar.h> 36#include <sys/tty.h> --- 325 unchanged lines hidden (view full) --- 362 if (xsize <= 0) 363 xsize = info.vi_width/8; 364 if (ysize <= 0) 365 ysize = info.vi_height/fontsize; 366 367 if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize)) 368 return EINVAL; 369 | 32 33#include "opt_syscons.h" 34 35#include <sys/param.h> 36#include <sys/systm.h> 37#include <sys/conf.h> 38#include <sys/signalvar.h> 39#include <sys/tty.h> --- 325 unchanged lines hidden (view full) --- 365 if (xsize <= 0) 366 xsize = info.vi_width/8; 367 if (ysize <= 0) 368 ysize = info.vi_height/fontsize; 369 370 if ((info.vi_width < xsize*8) || (info.vi_height < ysize*fontsize)) 371 return EINVAL; 372 |
| 370 /* only 16 color, 4 plane modes are supported XXX */ 371 if ((info.vi_depth != 4) || (info.vi_planes != 4)) 372 return ENODEV; 373 | |
| 374 /* | 373 /* |
| 375 * set_pixel_mode() currently does not support video modes whose 376 * memory size is larger than 64K. Because such modes require 377 * bank switching to access the entire screen. XXX | 374 * We currently support the following graphic modes: 375 * 376 * - 4 bpp planar modes whose memory size does not exceed 64K 377 * - 15, 16, 24 and 32 bpp linear modes |
| 378 */ | 378 */ |
| 379 if (info.vi_width*info.vi_height/8 > info.vi_window_size) | 379 380 if (info.vi_mem_model == V_INFO_MM_PLANAR) { 381 if (info.vi_planes != 4) 382 return ENODEV; 383 384 /* 385 * A memory size >64K requires bank switching to access the entire 386 * screen. XXX 387 */ 388 389 if (info.vi_width * info.vi_height / 8 > info.vi_window_size) 390 return ENODEV; 391 } else if (info.vi_mem_model == V_INFO_MM_DIRECT) { 392 if ((info.vi_depth != 15) && (info.vi_depth != 16) && 393 (info.vi_depth != 24) && (info.vi_depth != 32)) 394 return ENODEV; 395 } else |
| 380 return ENODEV; 381 382 /* stop screen saver, etc */ 383 s = spltty(); 384 if ((error = sc_clean_up(scp))) { 385 splx(s); 386 return error; 387 } --- 456 unchanged lines hidden --- | 396 return ENODEV; 397 398 /* stop screen saver, etc */ 399 s = spltty(); 400 if ((error = sc_clean_up(scp))) { 401 splx(s); 402 return error; 403 } --- 456 unchanged lines hidden --- |