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grfconfig.c revision 1.10 
      1 /*	$NetBSD: grfconfig.c,v 1.10 2001/01/22 21:11:23 is Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ezra Story and Bernd Ernesti.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 #ifndef lint
     41 __COPYRIGHT("@(#) Copyright (c) 1997 The NetBSD Foundation, Inc.\n\
     42 	All rights reserved.\n");
     43 #endif /* not lint */
     44 
     45 #ifndef lint
     46 __RCSID("$NetBSD: grfconfig.c,v 1.10 2001/01/22 21:11:23 is Exp $");
     47 #endif /* not lint */
     48 
     49 #include <sys/file.h>
     50 #include <sys/ioctl.h>
     51 #include <ctype.h>
     52 #include <limits.h>
     53 #include <stdio.h>
     54 #include <stdlib.h>
     55 #include <string.h>
     56 #include <unistd.h>
     57 
     58 #include <amiga/dev/grfioctl.h>
     59 
     60 int main __P((int, char **));
     61 static void print_rawdata __P((struct grfvideo_mode *, int));
     62 
     63 static struct grf_flag {
     64 	u_short	grf_flag_number;
     65 	char	*grf_flag_name;
     66 } grf_flags[] = {
     67 	{GRF_FLAGS_DBLSCAN,		"doublescan"},
     68 	{GRF_FLAGS_LACE,		"interlace"},
     69 	{GRF_FLAGS_PHSYNC,		"+hsync"},
     70 	{GRF_FLAGS_NHSYNC,		"-hsync"},
     71 	{GRF_FLAGS_PVSYNC,		"+vsync"},
     72 	{GRF_FLAGS_NVSYNC,		"-vsync"},
     73 	{GRF_FLAGS_SYNC_ON_GREEN,	"sync-on-green"},
     74 	{0,				0}
     75 };
     76 
     77 /*
     78  * Dynamic mode loader for NetBSD/Amiga grf devices.
     79  */
     80 int
     81 main(ac, av)
     82 	int     ac;
     83 	char  **av;
     84 {
     85 	struct	grfvideo_mode gv[1];
     86 	struct	grf_flag *grf_flagp;
     87 	FILE	*fp;
     88 	int	c, y, grffd;
     89 	int	i, lineno = 0;
     90 	int	uplim, lowlim;
     91 	char	rawdata = 0, testmode = 0;
     92 	char	*grfdevice = 0;
     93 	char	*modefile = 0;
     94 	char	buf[_POSIX2_LINE_MAX];
     95 	char	*cps[31];
     96 	char	*p;
     97 	char	*errortext;
     98 
     99 
    100 	while ((c = getopt(ac, av, "rt")) != -1) {
    101 		switch (c) {
    102 		case 'r':	/* raw output */
    103 			rawdata = 1;
    104 			break;
    105 		case 't':	/* test the modefile without setting it */
    106 			testmode = 1;
    107 			break;
    108 		default:
    109 			printf("grfconfig [-r] device [file]\n");
    110 			return (1);
    111 		}
    112 	}
    113 	ac -= optind;
    114 	av += optind;
    115 
    116 
    117 	if (ac >= 1)
    118 		grfdevice = av[0];
    119 	else {
    120 		printf("grfconfig: No grf device specified.\n");
    121 		return (1);
    122 	}
    123 
    124 	if (ac >= 2)
    125 		modefile = av[1];
    126 
    127 	if ((grffd = open(grfdevice, O_RDWR)) < 0) {
    128 		printf("grfconfig: can't open grf device.\n");
    129 		return (1);
    130 	}
    131 	/* If a mode file is specificied, load it in, don't display any info. */
    132 
    133 	if (modefile) {
    134 		if (!(fp = fopen(modefile, "r"))) {
    135 			printf("grfconfig: Cannot open mode definition "
    136 			    "file.\n");
    137 			return (1);
    138 		}
    139 		while (fgets(buf, sizeof(buf), fp)) {
    140 			char *obuf, tbuf[_POSIX2_LINE_MAX], *tbuf2;
    141 			/*
    142 			 * check for end-of-section, comments, strip off trailing
    143 			 * spaces and newline character.
    144 			 */
    145 			for (p = buf; isspace(*p); ++p)
    146 				continue;
    147 			if (*p == '\0' || *p == '#')
    148 				continue;
    149 			for (p = strchr(buf, '\0'); isspace(*--p);)
    150 				continue;
    151 			*++p = '\0';
    152 
    153 			obuf = buf;
    154 			tbuf2 = tbuf;
    155 			while ((*tbuf2 = *obuf) != '\0') {
    156 				if (*tbuf2 == '#') {
    157 					*tbuf2 = '\0';
    158 					break;
    159 				}
    160 				if (isupper(*tbuf2)) {
    161 					*tbuf2 = tolower(*tbuf2);
    162 				}
    163 				obuf++;
    164 				tbuf2++;
    165 			}
    166 			obuf = tbuf;
    167 
    168 			lineno = lineno + 1;
    169 
    170 			for (i = 0, *cps = strtok(buf, " \b\t\r\n");
    171 			    cps[i] != NULL && i < 30; i++)
    172 				cps[i + 1] = strtok(NULL, " \b\t\r\n");
    173 			cps[i] = NULL;
    174 
    175 			if (i < 14) {
    176 				printf("grfconfig: too few values in mode "
    177 				    "definition file:\n %s\n", obuf);
    178 				return (1);
    179 			}
    180 
    181 			gv->pixel_clock	= atoi(cps[1]);
    182 			gv->disp_width	= atoi(cps[2]);
    183 			gv->disp_height	= atoi(cps[3]);
    184 			gv->depth	= atoi(cps[4]);
    185 			gv->hblank_start	= atoi(cps[5]);
    186 			gv->hsync_start	= atoi(cps[6]);
    187 			gv->hsync_stop	= atoi(cps[7]);
    188 			gv->htotal	= atoi(cps[8]);
    189 			gv->vblank_start	= atoi(cps[9]);
    190 			gv->vsync_start	= atoi(cps[10]);
    191 			gv->vsync_stop	= atoi(cps[11]);
    192 			gv->vtotal	= atoi(cps[12]);
    193 
    194 			if ((y = atoi(cps[0])))
    195 				gv->mode_num = y;
    196 			else
    197 				if (strncasecmp("c", cps[0], 1) == 0) {
    198 					gv->mode_num = 255;
    199 					gv->depth = 4;
    200 				} else {
    201 					printf("grfconfig: Illegal mode "
    202 					    "number: %s\n", cps[0]);
    203 					return (1);
    204 				}
    205 
    206 			if ((gv->pixel_clock == 0) ||
    207 			    (gv->disp_width == 0) ||
    208 			    (gv->disp_height == 0) ||
    209 			    (gv->depth == 0) ||
    210 			    (gv->hblank_start == 0) ||
    211 			    (gv->hsync_start == 0) ||
    212 			    (gv->hsync_stop == 0) ||
    213 			    (gv->htotal == 0) ||
    214 			    (gv->vblank_start == 0) ||
    215 			    (gv->vsync_start == 0) ||
    216 			    (gv->vsync_stop == 0) ||
    217 			    (gv->vtotal == 0)) {
    218 				printf("grfconfig: Illegal value in "
    219 				    "mode #%d:\n %s\n", gv->mode_num, obuf);
    220 				return (1);
    221 			}
    222 
    223 			if (strstr(obuf, "default") != NULL) {
    224 				gv->disp_flags = GRF_FLAGS_DEFAULT;
    225 			} else {
    226 				gv->disp_flags = GRF_FLAGS_DEFAULT;
    227 				for (grf_flagp = grf_flags;
    228 				  grf_flagp->grf_flag_number; grf_flagp++) {
    229 				    if (strstr(obuf, grf_flagp->grf_flag_name) != NULL) {
    230 					gv->disp_flags |= grf_flagp->grf_flag_number;
    231 				    }
    232 				}
    233 				if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
    234 					printf("grfconfig: Your are using an "
    235 					    "mode file with an obsolete "
    236 					    "format.\n See the manpage of "
    237 					    "grfconfig for more information "
    238 					    "about the new mode definition "
    239 					    "file.\n");
    240 					return (1);
    241 				}
    242 			}
    243 
    244 			/*
    245 			 * Check for impossible gv->disp_flags:
    246 			 * doublescan and interlace,
    247 			 * +hsync and -hsync
    248 			 * +vsync and -vsync.
    249 			 */
    250 			errortext = NULL;
    251 			if ((gv->disp_flags & GRF_FLAGS_DBLSCAN) &&
    252 			    (gv->disp_flags & GRF_FLAGS_LACE))
    253 				errortext = "Interlace and Doublescan";
    254 			if ((gv->disp_flags & GRF_FLAGS_PHSYNC) &&
    255 			    (gv->disp_flags & GRF_FLAGS_NHSYNC))
    256 				errortext = "+hsync and -hsync";
    257 			if ((gv->disp_flags & GRF_FLAGS_PVSYNC) &&
    258 			    (gv->disp_flags & GRF_FLAGS_NVSYNC))
    259 				errortext = "+vsync and -vsync";
    260 
    261 			if (errortext != NULL) {
    262 				printf("grfconfig: Illegal flags in "
    263 				    "mode #%d: %s are both defined!\n",
    264 				    gv->mode_num, errortext);
    265 				return (1);
    266 			}
    267 
    268 			/* Check for old horizontal cycle values */
    269 			if ((gv->htotal < (gv->disp_width / 4))) {
    270 				gv->hblank_start *= 8;
    271 				gv->hsync_start *= 8;
    272 				gv->hsync_stop *= 8;
    273 				gv->htotal *= 8;
    274 				printf("grfconfig: Old and no longer "
    275 				    "supported horizontal videoclock cycle "
    276 				    "values.\n Wrong mode line:\n  %s\n "
    277 				    "This could be a possible good mode "
    278 				    "line:\n  ", obuf);
    279 				printf("%d ", gv->mode_num);
    280 				print_rawdata(gv, 0);
    281 				printf(" See the manpage of grfconfig for "
    282 				    "more information about the new mode "
    283 				    "definition file.\n");
    284 				return (1);
    285 			}
    286 
    287 			/* Check for old interlace or doublescan modes */
    288 			uplim = gv->disp_height + (gv->disp_height / 4);
    289 			lowlim = gv->disp_height - (gv->disp_height / 4);
    290 			if (((gv->vtotal * 2) > lowlim) &&
    291 			    ((gv->vtotal * 2) < uplim)) {
    292 				gv->vblank_start *= 2;
    293 				gv->vsync_start *= 2;
    294 				gv->vsync_stop *= 2;
    295 				gv->vtotal *= 2;
    296 				gv->disp_flags &= ~GRF_FLAGS_DBLSCAN;
    297 				gv->disp_flags |= GRF_FLAGS_LACE;
    298 				printf("grfconfig: Old and no longer "
    299 				    "supported vertical values for "
    300 				    "interlace modes.\n Wrong mode "
    301 				    "line:\n  %s\n This could be a "
    302 				    "possible good mode line:\n  ", obuf);
    303 				printf("%d ", gv->mode_num);
    304 				print_rawdata(gv, 0);
    305 				printf(" See the manpage of grfconfig for "
    306 				    "more information about the new mode "
    307 				    "definition file.\n");
    308 				return (1);
    309 			} else if (((gv->vtotal / 2) > lowlim) &&
    310 			    ((gv->vtotal / 2) < uplim)) {
    311 				gv->vblank_start /= 2;
    312 				gv->vsync_start /= 2;
    313 				gv->vsync_stop /= 2;
    314 				gv->vtotal /= 2;
    315 				gv->disp_flags &= ~GRF_FLAGS_LACE;
    316 				gv->disp_flags |= GRF_FLAGS_DBLSCAN;
    317 				printf("grfconfig: Old and no longer "
    318 				    "supported vertical values for "
    319 				    "doublescan modes.\n Wrong mode "
    320 				    "line:\n  %s\n This could be a "
    321 				    "possible good mode line:\n  ", obuf);
    322 				printf("%d ", gv->mode_num);
    323 				print_rawdata(gv, 0);
    324 				printf(" See the manpage of grfconfig for "
    325 				    "more information about the new mode "
    326 				    "definition file.\n");
    327 				return (1);
    328 			}
    329 
    330 			if (testmode == 1) {
    331 				if (lineno == 1)
    332 					printf("num clk wid hi dep hbs "
    333 					    "hss hse ht vbs vss vse vt "
    334 					    "flags\n");
    335 				printf("%d ", gv->mode_num);
    336 				print_rawdata(gv, 1);
    337 			} else {
    338 				gv->mode_descr[0] = 0;
    339 				if (ioctl(grffd, GRFIOCSETMON, (char *) gv) < 0)
    340 					printf("grfconfig: bad monitor "
    341 					    "definition for mode #%d.\n",
    342 					    gv->mode_num);
    343 			}
    344 		}
    345 		fclose(fp);
    346 	} else {
    347 		ioctl(grffd, GRFGETNUMVM, &y);
    348 		y += 2;
    349 		for (c = 1; c < y; c++) {
    350 			c = gv->mode_num = (c != (y - 1)) ? c : 255;
    351 			if (ioctl(grffd, GRFGETVMODE, gv) < 0)
    352 				continue;
    353 			if (rawdata) {
    354 				if (c == 255)
    355 					printf("c ");
    356 				else
    357 					printf("%d ", c);
    358 				print_rawdata(gv, 0);
    359 				continue;
    360 			}
    361 			if (c == 255)
    362 				printf("Console: ");
    363 			else
    364 				printf("%2d: ", gv->mode_num);
    365 
    366 			printf("%dx%d",
    367 			    gv->disp_width,
    368 			    gv->disp_height);
    369 
    370 			if (c != 255)
    371 				printf("x%d", gv->depth);
    372 			else
    373 				printf(" (%dx%d)",
    374 				    gv->disp_width / 8,
    375 				    gv->disp_height / gv->depth);
    376 
    377 			printf("\t%ld.%ldkHz @ %ldHz",
    378 			    gv->pixel_clock / (gv->htotal * 1000),
    379 			    (gv->pixel_clock / (gv->htotal * 100))
    380     	    	    	    	% 10,
    381 			    gv->pixel_clock / (gv->htotal * gv->vtotal));
    382 			printf(" flags:");
    383 
    384 			if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
    385 				printf(" default");
    386 			} else {
    387 				for (grf_flagp = grf_flags;
    388 				  grf_flagp->grf_flag_number; grf_flagp++) {
    389 				    if (gv->disp_flags & grf_flagp->grf_flag_number) {
    390 					printf(" %s", grf_flagp->grf_flag_name);
    391 				    }
    392 				}
    393 			}
    394 			printf("\n");
    395 		}
    396 	}
    397 
    398 	close(grffd);
    399 	return (0);
    400 }
    401 
    402 static void
    403 print_rawdata(gv, rawflags)
    404 	struct grfvideo_mode *gv;
    405 	int rawflags;
    406 {
    407 	struct	grf_flag *grf_flagp;
    408 
    409 	printf("%ld %d %d %d %d %d %d %d %d %d %d %d",
    410 		gv->pixel_clock,
    411 		gv->disp_width,
    412 		gv->disp_height,
    413 		gv->depth,
    414 		gv->hblank_start,
    415 		gv->hsync_start,
    416 		gv->hsync_stop,
    417 		gv->htotal,
    418 		gv->vblank_start,
    419 		gv->vsync_start,
    420 		gv->vsync_stop,
    421 		gv->vtotal);
    422 		if (rawflags) {
    423 			printf(" 0x%.2x", gv->disp_flags);
    424 		} else {
    425 			if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
    426 				printf(" default");
    427 			} else {
    428 				for (grf_flagp = grf_flags;
    429 				  grf_flagp->grf_flag_number; grf_flagp++) {
    430 				    if (gv->disp_flags & grf_flagp->grf_flag_number) {
    431 					printf(" %s", grf_flagp->grf_flag_name);
    432 				    }
    433 				}
    434 			}
    435 		}
    436 		printf("\n");
    437 }
    438