vidcontrol.c revision 39592 
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
30static const char rcsid[] =
31	"$Id: vidcontrol.c,v 1.21 1998/09/16 13:55:26 abial 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
45char 	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};
51int 	hex = 0;
52int 	number;
53char 	letter;
54struct 	vid_info info;
55
56
57static void
58usage()
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
67char *
68nextarg(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
76char *
77mkfullname(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
101void
102load_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
135void
136load_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
147void
148print_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
169void
170load_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
222void
223set_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
240void
241set_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
258void
259video_mode(int argc, char **argv, int *index)
260{
261	static struct {
262		char *name;
263		unsigned long mode;
264	} modes[] = {
265		{ "80x25",		SW_TEXT_80x25 },
266		{ "80x30",		SW_TEXT_80x30 },
267		{ "80x43",		SW_TEXT_80x43 },
268		{ "80x50",		SW_TEXT_80x50 },
269		{ "80x60",		SW_TEXT_80x60 },
270		{ "132x25",		SW_TEXT_132x25 },
271		{ "132x30",		SW_TEXT_132x30 },
272		{ "132x43",		SW_TEXT_132x43 },
273		{ "132x50",		SW_TEXT_132x50 },
274		{ "132x60",		SW_TEXT_132x60 },
275		{ "VGA_40x25",		SW_VGA_C40x25 },
276		{ "VGA_80x25",		SW_VGA_C80x25 },
277		{ "VGA_80x30",		SW_VGA_C80x30 },
278		{ "VGA_80x50",		SW_VGA_C80x50 },
279		{ "VGA_80x60",		SW_VGA_C80x60 },
280		{ "VGA_320x200",	SW_VGA_CG320 },
281		{ "EGA_80x25",		SW_ENH_C80x25 },
282		{ "EGA_80x43",		SW_ENH_C80x43 },
283		{ "VESA_132x25",	SW_VESA_C132x25 },
284		{ "VESA_132x43",	SW_VESA_C132x43 },
285		{ "VESA_132x50",	SW_VESA_C132x50 },
286		{ "VESA_132x60",	SW_VESA_C132x60 },
287		{ "VESA_800x600",	SW_VESA_800x600 },
288		{ NULL },
289	};
290	unsigned long mode;
291	int size[3];
292	int i;
293
294	if (*index < argc) {
295		for (i = 0; modes[i].name != NULL; ++i) {
296			if (!strcmp(argv[*index], modes[i].name)) {
297				mode = modes[i].mode;
298				break;
299			}
300		}
301		if (modes[i].name == NULL)
302			return;
303		if (ioctl(0, mode, NULL) < 0)
304			warn("cannot set videomode");
305		if (mode == SW_VESA_800x600) {
306			size[0] = 80;	/* columns */
307			size[1] = 25;	/* rows */
308			size[2] = 16;	/* font size */
309			if (ioctl(0, KDRASTER, size))
310				warn("cannot activate raster display");
311		}
312		(*index)++;
313	}
314	return;
315}
316
317int
318get_color_number(char *color)
319{
320	int i;
321
322	for (i=0; i<16; i++)
323		if (!strcmp(color, legal_colors[i]))
324			return i;
325	return -1;
326}
327
328void
329set_normal_colors(int argc, char **argv, int *index)
330{
331	int color;
332
333	if (*index < argc && (color = get_color_number(argv[*index])) != -1) {
334		(*index)++;
335		fprintf(stderr, "[=%dF", color);
336		if (*index < argc
337		    && (color = get_color_number(argv[*index])) != -1
338		    && color < 8) {
339			(*index)++;
340			fprintf(stderr, "[=%dG", color);
341		}
342	}
343}
344
345void
346set_reverse_colors(int argc, char **argv, int *index)
347{
348	int color;
349
350	if ((color = get_color_number(argv[*(index)-1])) != -1) {
351		fprintf(stderr, "[=%dH", color);
352		if (*index < argc
353		    && (color = get_color_number(argv[*index])) != -1
354		    && color < 8) {
355			(*index)++;
356			fprintf(stderr, "[=%dI", color);
357		}
358	}
359}
360
361void
362set_console(char *arg)
363{
364	int n;
365
366	if( !arg || strspn(arg,"0123456789") != strlen(arg)) {
367		warnx("bad console number");
368		return;
369	}
370
371	n = atoi(arg);
372	if (n < 1 || n > 12) {
373		warnx("console number out of range");
374	} else if (ioctl(0,VT_ACTIVATE,(char *)n) == -1)
375		warn("ioctl(VT_ACTIVATE)");
376}
377
378void
379set_border_color(char *arg)
380{
381	int color;
382
383	if ((color = get_color_number(arg)) != -1) {
384		fprintf(stderr, "[=%dA", color);
385	}
386	else
387		usage();
388}
389
390void
391set_mouse(char *arg)
392{
393	struct mouse_info mouse;
394
395	if (!strcmp(arg, "on"))
396		mouse.operation = MOUSE_SHOW;
397	else if (!strcmp(arg, "off"))
398		mouse.operation = MOUSE_HIDE;
399	else {
400		warnx("argument to -m must either on or off");
401		return;
402	}
403	ioctl(0, CONS_MOUSECTL, &mouse);
404}
405
406static char
407*adapter_name(int type)
408{
409    static struct {
410	int type;
411	char *name;
412    } names[] = {
413	{ KD_MONO,	"MDA" },
414	{ KD_HERCULES,	"Hercules" },
415	{ KD_CGA,	"CGA" },
416	{ KD_EGA,	"EGA" },
417	{ KD_VGA,	"VGA" },
418	{ KD_PC98,	"PC-98xx" },
419	{ -1,		"Unknown" },
420    };
421    int i;
422
423    for (i = 0; names[i].type != -1; ++i)
424	if (names[i].type == type)
425	    break;
426    return names[i].name;
427}
428
429void
430show_adapter_info(void)
431{
432	struct video_adapter ad;
433
434	ad.va_index = 0;
435	if (ioctl(0, CONS_ADPINFO, &ad)) {
436		warn("failed to obtain adapter information");
437		return;
438	}
439
440	printf("adapter %d:\n", ad.va_index);
441	printf("    type:%s%s (%d), flags:0x%08x, CRTC:0x%x\n",
442	       (ad.va_flags & V_ADP_VESA) ? "VESA " : "",
443	       adapter_name(ad.va_type), ad.va_type,
444	       ad.va_flags, ad.va_crtc_addr);
445	printf("    initial mode:%d, current mode:%d, BIOS mode:%d\n",
446	       ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode);
447}
448
449void
450show_mode_info(void)
451{
452	struct video_info info;
453	char buf[80];
454	int mode;
455	int c;
456
457	printf("    mode#     flags   type    size       "
458	       "font      window      linear buffer\n");
459	printf("---------------------------------------"
460	       "---------------------------------------\n");
461	for (mode = 0; mode < M_VESA_MODE_MAX; ++mode) {
462		info.vi_mode = mode;
463		if (ioctl(0, CONS_MODEINFO, &info))
464			continue;
465
466		printf("%3d (0x%03x)", mode, mode);
467    		printf(" 0x%08x", info.vi_flags);
468		if (info.vi_flags & V_INFO_GRAPHICS) {
469			c = 'G';
470			snprintf(buf, sizeof(buf), "%dx%dx%d %d",
471				 info.vi_width, info.vi_height,
472				 info.vi_depth, info.vi_planes);
473		} else {
474			c = 'T';
475			snprintf(buf, sizeof(buf), "%dx%d",
476				 info.vi_width, info.vi_height);
477		}
478		printf(" %c %-15s", c, buf);
479		snprintf(buf, sizeof(buf), "%dx%d",
480			 info.vi_cwidth, info.vi_cheight);
481		printf(" %-5s", buf);
482    		printf(" 0x%05x %2dk %2dk",
483		       info.vi_window, info.vi_window_size,
484		       info.vi_window_gran);
485    		printf(" 0x%08x %2dk\n",
486		       info.vi_buffer, info.vi_buffer_size);
487	}
488}
489
490void
491show_info(char *arg)
492{
493	if (!strcmp(arg, "adapter"))
494		show_adapter_info();
495	else if (!strcmp(arg, "mode"))
496		show_mode_info();
497	else {
498		warnx("argument to -i must either adapter or mode");
499		return;
500	}
501}
502
503void
504test_frame()
505{
506	int i;
507
508	fprintf(stdout, "[=0G\n\n");
509	for (i=0; i<8; i++) {
510		fprintf(stdout, "[=15F[=0G        %2d [=%dF%-16s"
511				"[=15F[=0G        %2d [=%dF%-16s        "
512				"[=15F %2d [=%dGBACKGROUND[=0G\n",
513			i, i, legal_colors[i], i+8, i+8,
514			legal_colors[i+8], i, i);
515	}
516	fprintf(stdout, "[=%dF[=%dG[=%dH[=%dI\n",
517		info.mv_norm.fore, info.mv_norm.back,
518		info.mv_rev.fore, info.mv_rev.back);
519}
520
521int
522main(int argc, char **argv)
523{
524	int		opt;
525
526
527	info.size = sizeof(info);
528	if (ioctl(0, CONS_GETINFO, &info) < 0)
529		err(1, "must be on a virtual console");
530	while((opt = getopt(argc, argv, "b:c:df:i:l:Lm:r:s:t:x")) != -1)
531		switch(opt) {
532			case 'b':
533				set_border_color(optarg);
534				break;
535			case 'c':
536				set_cursor_type(optarg);
537				break;
538			case 'd':
539				print_scrnmap();
540				break;
541			case 'f':
542				load_font(optarg,
543					nextarg(argc, argv, &optind, 'f'));
544				break;
545			case 'i':
546				show_info(optarg);
547				break;
548			case 'l':
549				load_scrnmap(optarg);
550				break;
551			case 'L':
552				load_default_scrnmap();
553				break;
554			case 'm':
555				set_mouse(optarg);
556				break;
557			case 'r':
558				set_reverse_colors(argc, argv, &optind);
559				break;
560			case 's':
561				set_console(optarg);
562				break;
563			case 't':
564				set_screensaver_timeout(optarg);
565				break;
566			case 'x':
567				hex = 1;
568				break;
569			default:
570				usage();
571		}
572	video_mode(argc, argv, &optind);
573	set_normal_colors(argc, argv, &optind);
574	if (optind < argc && !strcmp(argv[optind], "show")) {
575		test_frame();
576		optind++;
577	}
578	if ((optind != argc) || (argc == 1))
579		usage();
580	return 0;
581}
582
583