xref: /freebsd/usr.sbin/vidcontrol/vidcontrol.c (revision 2bfad86d330d2807c60bb0b693478d0b48b5b89f)
1 /*-
2  * Copyright (c) 1994-1996 S�ren Schmidt
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  *    in this position and unchanged.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software withough specific prior written permission
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef lint
30 static const char rcsid[] =
31 	"$Id: vidcontrol.c,v 1.26 1999/01/12 23:05:45 mjacob Exp $";
32 #endif /* not lint */
33 
34 #include <ctype.h>
35 #include <err.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 #include <machine/console.h>
41 #include <sys/errno.h>
42 #include "path.h"
43 #include "decode.h"
44 
45 char 	legal_colors[16][16] = {
46 	"black", "blue", "green", "cyan",
47 	"red", "magenta", "brown", "white",
48 	"grey", "lightblue", "lightgreen", "lightcyan",
49 	"lightred", "lightmagenta", "yellow", "lightwhite"
50 };
51 int 	hex = 0;
52 int 	number;
53 char 	letter;
54 struct 	vid_info info;
55 
56 
57 static void
58 usage()
59 {
60 	fprintf(stderr, "%s\n%s\n%s\n",
61 "usage: vidcontrol [-r fg bg] [-b color] [-c appearance] [-d] [-l scrmap]",
62 "                  [-i adapter | mode] [-L] [-m on|off] [-f size file]",
63 "                  [-s number] [-t N|off] [-x] [mode] [fgcol [bgcol]] [show]");
64 	exit(1);
65 }
66 
67 char *
68 nextarg(int ac, char **av, int *indp, int oc)
69 {
70 	if (*indp < ac)
71 		return(av[(*indp)++]);
72 	errx(1, "option requires two arguments -- %c", oc);
73 	return("");
74 }
75 
76 char *
77 mkfullname(const char *s1, const char *s2, const char *s3)
78 {
79 	static char *buf = NULL;
80 	static int bufl = 0;
81 	int f;
82 
83 	f = strlen(s1) + strlen(s2) + strlen(s3) + 1;
84 	if (f > bufl)
85 		if (buf)
86 			buf = (char *)realloc(buf, f);
87 		else
88 			buf = (char *)malloc(f);
89 	if (!buf) {
90 		bufl = 0;
91 		return(NULL);
92 	}
93 
94 	bufl = f;
95 	strcpy(buf, s1);
96 	strcat(buf, s2);
97 	strcat(buf, s3);
98 	return(buf);
99 }
100 
101 void
102 load_scrnmap(char *filename)
103 {
104 	FILE *fd = 0;
105 	int i, size;
106 	char *name;
107 	scrmap_t scrnmap;
108 	char *prefix[]  = {"", "", SCRNMAP_PATH, SCRNMAP_PATH, NULL};
109 	char *postfix[] = {"", ".scm", "", ".scm"};
110 
111 	for (i=0; prefix[i]; i++) {
112 		name = mkfullname(prefix[i], filename, postfix[i]);
113 		fd = fopen(name, "r");
114 		if (fd)
115 			break;
116 	}
117 	if (fd == NULL) {
118 		warn("screenmap file not found");
119 		return;
120 	}
121 	size = sizeof(scrnmap);
122 	if (decode(fd, (char *)&scrnmap) != size) {
123 		rewind(fd);
124 		if (fread(&scrnmap, 1, size, fd) != size) {
125 			warnx("bad screenmap file");
126 			fclose(fd);
127 			return;
128 		}
129 	}
130 	if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
131 		warn("can't load screenmap");
132 	fclose(fd);
133 }
134 
135 void
136 load_default_scrnmap()
137 {
138 	scrmap_t scrnmap;
139 	int i;
140 
141 	for (i=0; i<256; i++)
142 		*((char*)&scrnmap + i) = i;
143 	if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
144 		warn("can't load default screenmap");
145 }
146 
147 void
148 print_scrnmap()
149 {
150 	unsigned char map[256];
151 	int i;
152 
153 	if (ioctl(0, GIO_SCRNMAP, &map) < 0) {
154 		warn("getting screenmap");
155 		return;
156 	}
157 	for (i=0; i<sizeof(map); i++) {
158 		if (i > 0 && i % 16 == 0)
159 			fprintf(stdout, "\n");
160 		if (hex)
161 			fprintf(stdout, " %02x", map[i]);
162 		else
163 			fprintf(stdout, " %03d", map[i]);
164 	}
165 	fprintf(stdout, "\n");
166 
167 }
168 
169 void
170 load_font(char *type, char *filename)
171 {
172 	FILE	*fd = 0;
173 	int	i, size;
174 	unsigned long io;
175 	char	*name, *fontmap;
176 	char	*prefix[]  = {"", "", FONT_PATH, FONT_PATH, NULL};
177 	char	*postfix[] = {"", ".fnt", "", ".fnt"};
178 
179 	for (i=0; prefix[i]; i++) {
180 		name = mkfullname(prefix[i], filename, postfix[i]);
181 		fd = fopen(name, "r");
182 		if (fd)
183 			break;
184 	}
185 	if (fd == NULL) {
186 		warn("font file not found");
187 		return;
188 	}
189 	if (!strcmp(type, "8x8")) {
190 		size = 8*256;
191 		io = PIO_FONT8x8;
192 	}
193 	else if (!strcmp(type, "8x14")) {
194 		size = 14*256;
195 		io = PIO_FONT8x14;
196 	}
197 	else if (!strcmp(type, "8x16")) {
198 		size = 16*256;
199 		io = PIO_FONT8x16;
200 	}
201 	else {
202 		warn("bad font size specification");
203 		fclose(fd);
204 		return;
205 	}
206 	fontmap = (char*) malloc(size);
207 	if (decode(fd, fontmap) != size) {
208 		rewind(fd);
209 		if (fread(fontmap, 1, size, fd) != size) {
210 			warnx("bad font file");
211 			fclose(fd);
212 			free(fontmap);
213 			return;
214 		}
215 	}
216 	if (ioctl(0, io, fontmap) < 0)
217 		warn("can't load font");
218 	fclose(fd);
219 	free(fontmap);
220 }
221 
222 void
223 set_screensaver_timeout(char *arg)
224 {
225 	int nsec;
226 
227 	if (!strcmp(arg, "off"))
228 		nsec = 0;
229 	else {
230 		nsec = atoi(arg);
231 		if ((*arg == '\0') || (nsec < 1)) {
232 			warnx("argument must be a positive number");
233 			return;
234 		}
235 	}
236 	if (ioctl(0, CONS_BLANKTIME, &nsec) == -1)
237 		warn("setting screensaver period");
238 }
239 
240 void
241 set_cursor_type(char *appearence)
242 {
243 	int type;
244 
245 	if (!strcmp(appearence, "normal"))
246 		type = 0;
247 	else if (!strcmp(appearence, "blink"))
248 		type = 1;
249 	else if (!strcmp(appearence, "destructive"))
250 		type = 3;
251 	else {
252 		warnx("argument to -c must be normal, blink or destructive");
253 		return;
254 	}
255 	ioctl(0, CONS_CURSORTYPE, &type);
256 }
257 
258 void
259 video_mode(int argc, char **argv, int *index)
260 {
261 	static struct {
262 		char *name;
263 		unsigned long mode;
264 	} modes[] = {
265 #ifdef SW_TEXT_80x25
266 		{ "80x25",		SW_TEXT_80x25 },
267 		{ "80x30",		SW_TEXT_80x30 },
268 		{ "80x43",		SW_TEXT_80x43 },
269 		{ "80x50",		SW_TEXT_80x50 },
270 		{ "80x60",		SW_TEXT_80x60 },
271 		{ "132x25",		SW_TEXT_132x25 },
272 		{ "132x30",		SW_TEXT_132x30 },
273 		{ "132x43",		SW_TEXT_132x43 },
274 		{ "132x50",		SW_TEXT_132x50 },
275 		{ "132x60",		SW_TEXT_132x60 },
276 #endif
277 		{ "VGA_40x25",		SW_VGA_C40x25 },
278 		{ "VGA_80x25",		SW_VGA_C80x25 },
279 		{ "VGA_80x30",		SW_VGA_C80x30 },
280 		{ "VGA_80x50",		SW_VGA_C80x50 },
281 		{ "VGA_80x60",		SW_VGA_C80x60 },
282 		{ "VGA_320x200",	SW_VGA_CG320 },
283 		{ "EGA_80x25",		SW_ENH_C80x25 },
284 		{ "EGA_80x43",		SW_ENH_C80x43 },
285 		{ "VESA_132x25",	SW_VESA_C132x25 },
286 		{ "VESA_132x43",	SW_VESA_C132x43 },
287 		{ "VESA_132x50",	SW_VESA_C132x50 },
288 		{ "VESA_132x60",	SW_VESA_C132x60 },
289 		{ "VESA_800x600",	SW_VESA_800x600 },
290 		{ NULL },
291 	};
292 	unsigned long mode = 0;
293 	int size[3];
294 	int i;
295 
296 	if (*index < argc) {
297 		for (i = 0; modes[i].name != NULL; ++i) {
298 			if (!strcmp(argv[*index], modes[i].name)) {
299 				mode = modes[i].mode;
300 				break;
301 			}
302 		}
303 		if (modes[i].name == NULL)
304 			return;
305 		if (ioctl(0, mode, NULL) < 0)
306 			warn("cannot set videomode");
307 		if (mode == SW_VESA_800x600) {
308 			size[0] = 80;	/* columns */
309 			size[1] = 25;	/* rows */
310 			size[2] = 16;	/* font size */
311 			if (ioctl(0, KDRASTER, size))
312 				warn("cannot activate raster display");
313 		}
314 		(*index)++;
315 	}
316 	return;
317 }
318 
319 int
320 get_color_number(char *color)
321 {
322 	int i;
323 
324 	for (i=0; i<16; i++)
325 		if (!strcmp(color, legal_colors[i]))
326 			return i;
327 	return -1;
328 }
329 
330 void
331 set_normal_colors(int argc, char **argv, int *index)
332 {
333 	int color;
334 
335 	if (*index < argc && (color = get_color_number(argv[*index])) != -1) {
336 		(*index)++;
337 		fprintf(stderr, "[=%dF", color);
338 		if (*index < argc
339 		    && (color = get_color_number(argv[*index])) != -1
340 		    && color < 8) {
341 			(*index)++;
342 			fprintf(stderr, "[=%dG", color);
343 		}
344 	}
345 }
346 
347 void
348 set_reverse_colors(int argc, char **argv, int *index)
349 {
350 	int color;
351 
352 	if ((color = get_color_number(argv[*(index)-1])) != -1) {
353 		fprintf(stderr, "[=%dH", color);
354 		if (*index < argc
355 		    && (color = get_color_number(argv[*index])) != -1
356 		    && color < 8) {
357 			(*index)++;
358 			fprintf(stderr, "[=%dI", color);
359 		}
360 	}
361 }
362 
363 void
364 set_console(char *arg)
365 {
366 	int n;
367 
368 	if( !arg || strspn(arg,"0123456789") != strlen(arg)) {
369 		warnx("bad console number");
370 		return;
371 	}
372 
373 	n = atoi(arg);
374 	if (n < 1 || n > 12) {
375 		warnx("console number out of range");
376 	} else if (ioctl(0, VT_ACTIVATE, (caddr_t) (long) n) == -1)
377 		warn("ioctl(VT_ACTIVATE)");
378 }
379 
380 void
381 set_border_color(char *arg)
382 {
383 	int color;
384 
385 	if ((color = get_color_number(arg)) != -1) {
386 		fprintf(stderr, "[=%dA", color);
387 	}
388 	else
389 		usage();
390 }
391 
392 void
393 set_mouse(char *arg)
394 {
395 	struct mouse_info mouse;
396 
397 	if (!strcmp(arg, "on"))
398 		mouse.operation = MOUSE_SHOW;
399 	else if (!strcmp(arg, "off"))
400 		mouse.operation = MOUSE_HIDE;
401 	else {
402 		warnx("argument to -m must either on or off");
403 		return;
404 	}
405 	ioctl(0, CONS_MOUSECTL, &mouse);
406 }
407 
408 static char
409 *adapter_name(int type)
410 {
411     static struct {
412 	int type;
413 	char *name;
414     } names[] = {
415 	{ KD_MONO,	"MDA" },
416 	{ KD_HERCULES,	"Hercules" },
417 	{ KD_CGA,	"CGA" },
418 	{ KD_EGA,	"EGA" },
419 	{ KD_VGA,	"VGA" },
420 	{ KD_PC98,	"PC-98xx" },
421 	{ -1,		"Unknown" },
422     };
423     int i;
424 
425     for (i = 0; names[i].type != -1; ++i)
426 	if (names[i].type == type)
427 	    break;
428     return names[i].name;
429 }
430 
431 void
432 show_adapter_info(void)
433 {
434 	struct video_adapter_info ad;
435 
436 	ad.va_index = 0;
437 	if (ioctl(0, CONS_ADPINFO, &ad)) {
438 		warn("failed to obtain adapter information");
439 		return;
440 	}
441 
442 	printf("fb%d:\n", ad.va_index);
443 	printf("    %.*s%d, type:%s%s (%d), flags:0x%x\n",
444 	       (int)sizeof(ad.va_name), ad.va_name, ad.va_unit,
445 	       (ad.va_flags & V_ADP_VESA) ? "VESA " : "",
446 	       adapter_name(ad.va_type), ad.va_type, ad.va_flags);
447 	printf("    initial mode:%d, current mode:%d, BIOS mode:%d\n",
448 	       ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode);
449 }
450 
451 void
452 show_mode_info(void)
453 {
454 	struct video_info info;
455 	char buf[80];
456 	int mode;
457 	int c;
458 
459 	printf("    mode#     flags   type    size       "
460 	       "font      window      linear buffer\n");
461 	printf("---------------------------------------"
462 	       "---------------------------------------\n");
463 	for (mode = 0; mode < M_VESA_MODE_MAX; ++mode) {
464 		info.vi_mode = mode;
465 		if (ioctl(0, CONS_MODEINFO, &info))
466 			continue;
467 
468 		printf("%3d (0x%03x)", mode, mode);
469     		printf(" 0x%08x", info.vi_flags);
470 		if (info.vi_flags & V_INFO_GRAPHICS) {
471 			c = 'G';
472 			snprintf(buf, sizeof(buf), "%dx%dx%d %d",
473 				 info.vi_width, info.vi_height,
474 				 info.vi_depth, info.vi_planes);
475 		} else {
476 			c = 'T';
477 			snprintf(buf, sizeof(buf), "%dx%d",
478 				 info.vi_width, info.vi_height);
479 		}
480 		printf(" %c %-15s", c, buf);
481 		snprintf(buf, sizeof(buf), "%dx%d",
482 			 info.vi_cwidth, info.vi_cheight);
483 		printf(" %-5s", buf);
484     		printf(" 0x%05x %2dk %2dk",
485 		       info.vi_window, (int)info.vi_window_size/1024,
486 		       (int)info.vi_window_gran/1024);
487     		printf(" 0x%08x %2dk\n",
488 		       info.vi_buffer, (int)info.vi_buffer_size/1024);
489 	}
490 }
491 
492 void
493 show_info(char *arg)
494 {
495 	if (!strcmp(arg, "adapter"))
496 		show_adapter_info();
497 	else if (!strcmp(arg, "mode"))
498 		show_mode_info();
499 	else {
500 		warnx("argument to -i must either adapter or mode");
501 		return;
502 	}
503 }
504 
505 void
506 test_frame()
507 {
508 	int i;
509 
510 	fprintf(stdout, "[=0G\n\n");
511 	for (i=0; i<8; i++) {
512 		fprintf(stdout, "[=15F[=0G        %2d [=%dF%-16s"
513 				"[=15F[=0G        %2d [=%dF%-16s        "
514 				"[=15F %2d [=%dGBACKGROUND[=0G\n",
515 			i, i, legal_colors[i], i+8, i+8,
516 			legal_colors[i+8], i, i);
517 	}
518 	fprintf(stdout, "[=%dF[=%dG[=%dH[=%dI\n",
519 		info.mv_norm.fore, info.mv_norm.back,
520 		info.mv_rev.fore, info.mv_rev.back);
521 }
522 
523 int
524 main(int argc, char **argv)
525 {
526 	int		opt;
527 
528 
529 	info.size = sizeof(info);
530 	if (ioctl(0, CONS_GETINFO, &info) < 0)
531 		err(1, "must be on a virtual console");
532 	while((opt = getopt(argc, argv, "b:c:df:i:l:Lm:r:s:t:x")) != -1)
533 		switch(opt) {
534 			case 'b':
535 				set_border_color(optarg);
536 				break;
537 			case 'c':
538 				set_cursor_type(optarg);
539 				break;
540 			case 'd':
541 				print_scrnmap();
542 				break;
543 			case 'f':
544 				load_font(optarg,
545 					nextarg(argc, argv, &optind, 'f'));
546 				break;
547 			case 'i':
548 				show_info(optarg);
549 				break;
550 			case 'l':
551 				load_scrnmap(optarg);
552 				break;
553 			case 'L':
554 				load_default_scrnmap();
555 				break;
556 			case 'm':
557 				set_mouse(optarg);
558 				break;
559 			case 'r':
560 				set_reverse_colors(argc, argv, &optind);
561 				break;
562 			case 's':
563 				set_console(optarg);
564 				break;
565 			case 't':
566 				set_screensaver_timeout(optarg);
567 				break;
568 			case 'x':
569 				hex = 1;
570 				break;
571 			default:
572 				usage();
573 		}
574 	video_mode(argc, argv, &optind);
575 	set_normal_colors(argc, argv, &optind);
576 	if (optind < argc && !strcmp(argv[optind], "show")) {
577 		test_frame();
578 		optind++;
579 	}
580 	if ((optind != argc) || (argc == 1))
581 		usage();
582 	return 0;
583 }
584 
585