423 lines
12 KiB
C
423 lines
12 KiB
C
/* $NetBSD: grfconfig.c,v 1.8 1997/10/17 05:58:29 lukem Exp $ */
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/*-
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* Copyright (c) 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Ezra Story and Bernd Ernesti.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1997 The NetBSD Foundation, Inc.\n\
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All rights reserved.\n");
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#endif /* not lint */
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#ifndef lint
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__RCSID("$NetBSD: grfconfig.c,v 1.8 1997/10/17 05:58:29 lukem Exp $");
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#endif /* not lint */
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <ctype.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <amiga/dev/grfioctl.h>
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int main __P((int, char **));
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static void print_rawdata __P((struct grfvideo_mode *, int));
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static struct grf_flag {
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u_short grf_flag_number;
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char *grf_flag_name;
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} grf_flags[] = {
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{GRF_FLAGS_DBLSCAN, "doublescan"},
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{GRF_FLAGS_LACE, "interlace"},
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{GRF_FLAGS_PHSYNC, "+hsync"},
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{GRF_FLAGS_NHSYNC, "-hsync"},
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{GRF_FLAGS_PVSYNC, "+vsync"},
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{GRF_FLAGS_NVSYNC, "-vsync"},
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{GRF_FLAGS_SYNC_ON_GREEN, "sync-on-green"},
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{0, 0}
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};
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/*
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* Dynamic mode loader for NetBSD/Amiga grf devices.
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*/
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int
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main(ac, av)
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int ac;
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char **av;
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{
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struct grfvideo_mode gv[1];
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struct grf_flag *grf_flagp;
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FILE *fp;
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int c, y, grffd;
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int i, lineno = 0;
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int uplim, lowlim;
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char rawdata = 0, testmode = 0;
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char *grfdevice = 0;
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char *modefile = 0;
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char buf[_POSIX2_LINE_MAX], obuf[_POSIX2_LINE_MAX];
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char *cps[31];
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char *p;
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char *errortext;
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while ((c = getopt(ac, av, "rt")) != -1) {
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switch (c) {
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case 'r': /* raw output */
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rawdata = 1;
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break;
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case 't': /* test the modefile without setting it */
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testmode = 1;
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break;
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default:
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printf("grfconfig [-r] device [file]\n");
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return (1);
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}
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}
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ac -= optind;
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av += optind;
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if (ac >= 1)
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grfdevice = av[0];
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else {
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printf("grfconfig: No grf device specified.\n");
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return (1);
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}
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if (ac >= 2)
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modefile = av[1];
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if ((grffd = open(grfdevice, O_RDWR)) < 0) {
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printf("grfconfig: can't open grf device.\n");
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return (1);
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}
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/* If a mode file is specificied, load it in, don't display any info. */
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if (modefile) {
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if (!(fp = fopen(modefile, "r"))) {
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printf("grfconfig: Cannot open mode definition "
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"file.\n");
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return (1);
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}
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while (fgets(buf, sizeof(buf), fp)) {
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/*
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* check for end-of-section, comments, strip off trailing
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* spaces and newline character.
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*/
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for (p = buf; isspace(*p); ++p)
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continue;
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if (*p == '\0' || *p == '#')
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continue;
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for (p = strchr(buf, '\0'); isspace(*--p);)
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continue;
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*++p = '\0';
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sprintf(obuf, "%s", buf);
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lineno = lineno + 1;
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for (i = 0, *cps = strtok(buf, " \b\t\r\n");
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cps[i] != NULL && i < 30; i++)
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cps[i + 1] = strtok(NULL, " \b\t\r\n");
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cps[i] = NULL;
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if (cps[13] == NULL) {
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printf("grfconfig: too few values in mode "
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"definition file:\n %s\n", obuf);
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return (1);
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}
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gv->pixel_clock = atoi(cps[1]);
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gv->disp_width = atoi(cps[2]);
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gv->disp_height = atoi(cps[3]);
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gv->depth = atoi(cps[4]);
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gv->hblank_start = atoi(cps[5]);
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gv->hsync_start = atoi(cps[6]);
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gv->hsync_stop = atoi(cps[7]);
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gv->htotal = atoi(cps[8]);
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gv->vblank_start = atoi(cps[9]);
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gv->vsync_start = atoi(cps[10]);
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gv->vsync_stop = atoi(cps[11]);
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gv->vtotal = atoi(cps[12]);
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if ((y = atoi(cps[0])))
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gv->mode_num = y;
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else
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if (strncasecmp("c", cps[0], 1) == 0) {
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gv->mode_num = 255;
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gv->depth = 4;
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} else {
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printf("grfconfig: Illegal mode "
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"number: %s\n", cps[0]);
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return (1);
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}
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if ((gv->pixel_clock == 0) ||
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(gv->disp_width == 0) ||
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(gv->disp_height == 0) ||
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(gv->depth == 0) ||
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(gv->hblank_start == 0) ||
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(gv->hsync_start == 0) ||
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(gv->hsync_stop == 0) ||
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(gv->htotal == 0) ||
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(gv->vblank_start == 0) ||
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(gv->vsync_start == 0) ||
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(gv->vsync_stop == 0) ||
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(gv->vtotal == 0)) {
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printf("grfconfig: Illegal value in "
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"mode #%d:\n %s\n", gv->mode_num, obuf);
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return (1);
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}
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if (strstr(obuf, "default") != NULL) {
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gv->disp_flags = GRF_FLAGS_DEFAULT;
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} else {
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gv->disp_flags = GRF_FLAGS_DEFAULT;
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for (grf_flagp = grf_flags;
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grf_flagp->grf_flag_number; grf_flagp++) {
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if (strstr(obuf, grf_flagp->grf_flag_name) != NULL) {
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gv->disp_flags |= grf_flagp->grf_flag_number;
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}
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}
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if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
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printf("grfconfig: Your are using an "
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"mode file with an obsolete "
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"format.\n See the manpage of "
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"grfconfig for more information "
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"about the new mode definition "
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"file.\n");
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return (1);
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}
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}
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/*
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* Check for impossible gv->disp_flags:
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* doublescan and interlace,
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* +hsync and -hsync
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* +vsync and -vsync.
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*/
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errortext = NULL;
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if ((gv->disp_flags & GRF_FLAGS_DBLSCAN) &&
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(gv->disp_flags & GRF_FLAGS_LACE))
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errortext = "Interlace and Doublescan";
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if ((gv->disp_flags & GRF_FLAGS_PHSYNC) &&
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(gv->disp_flags & GRF_FLAGS_NHSYNC))
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errortext = "+hsync and -hsync";
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if ((gv->disp_flags & GRF_FLAGS_PVSYNC) &&
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(gv->disp_flags & GRF_FLAGS_NVSYNC))
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errortext = "+vsync and -vsync";
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if (errortext != NULL) {
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printf("grfconfig: Illegal flags in "
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"mode #%d: %s are both defined!\n",
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gv->mode_num, errortext);
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return (1);
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}
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/* Check for old horizontal cycle values */
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if ((gv->htotal < (gv->disp_width / 4))) {
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gv->hblank_start *= 8;
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gv->hsync_start *= 8;
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gv->hsync_stop *= 8;
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gv->htotal *= 8;
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printf("grfconfig: Old and no longer "
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"supported horizontal videoclock cycle "
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"values.\n Wrong mode line:\n %s\n "
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"This could be a possible good mode "
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"line:\n ", obuf);
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printf("%d ", gv->mode_num);
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print_rawdata(gv, 0);
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printf(" See the manpage of grfconfig for "
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"more information about the new mode "
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"definition file.\n");
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return (1);
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}
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/* Check for old interlace or doublescan modes */
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uplim = gv->disp_height + (gv->disp_height / 4);
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lowlim = gv->disp_height - (gv->disp_height / 4);
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if (((gv->vtotal * 2) > lowlim) &&
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((gv->vtotal * 2) < uplim)) {
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gv->vblank_start *= 2;
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gv->vsync_start *= 2;
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gv->vsync_stop *= 2;
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gv->vtotal *= 2;
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gv->disp_flags &= ~GRF_FLAGS_DBLSCAN;
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gv->disp_flags |= GRF_FLAGS_LACE;
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printf("grfconfig: Old and no longer "
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"supported vertical values for "
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"interlace modes.\n Wrong mode "
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"line:\n %s\n This could be a "
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"possible good mode line:\n ", obuf);
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printf("%d ", gv->mode_num);
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print_rawdata(gv, 0);
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printf(" See the manpage of grfconfig for "
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"more information about the new mode "
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"definition file.\n");
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return (1);
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} else if (((gv->vtotal / 2) > lowlim) &&
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((gv->vtotal / 2) < uplim)) {
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gv->vblank_start /= 2;
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gv->vsync_start /= 2;
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gv->vsync_stop /= 2;
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gv->vtotal /= 2;
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gv->disp_flags &= ~GRF_FLAGS_LACE;
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gv->disp_flags |= GRF_FLAGS_DBLSCAN;
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printf("grfconfig: Old and no longer "
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"supported vertical values for "
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"doublescan modes.\n Wrong mode "
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"line:\n %s\n This could be a "
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"possible good mode line:\n ", obuf);
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printf("%d ", gv->mode_num);
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print_rawdata(gv, 0);
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printf(" See the manpage of grfconfig for "
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"more information about the new mode "
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"definition file.\n");
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return (1);
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}
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if (testmode == 1) {
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if (lineno == 1)
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printf("num clk wid hi dep hbs "
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"hss hse ht vbs vss vse vt "
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"flags\n");
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printf("%d ", gv->mode_num);
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print_rawdata(gv, 1);
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} else {
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gv->mode_descr[0] = 0;
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if (ioctl(grffd, GRFIOCSETMON, (char *) gv) < 0)
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printf("grfconfig: bad monitor "
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"definition for mode #%d.\n",
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gv->mode_num);
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}
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}
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fclose(fp);
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} else {
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ioctl(grffd, GRFGETNUMVM, &y);
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y += 2;
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for (c = 1; c < y; c++) {
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c = gv->mode_num = (c != (y - 1)) ? c : 255;
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if (ioctl(grffd, GRFGETVMODE, gv) < 0)
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continue;
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if (rawdata) {
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if (c == 255)
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printf("c ");
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else
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printf("%d ", c);
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print_rawdata(gv, 0);
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continue;
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}
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if (c == 255)
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printf("Console: ");
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else
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printf("%2d: ", gv->mode_num);
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printf("%dx%d",
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gv->disp_width,
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gv->disp_height);
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if (c != 255)
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printf("x%d", gv->depth);
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else
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printf(" (%dx%d)",
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gv->disp_width / 8,
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gv->disp_height / gv->depth);
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printf("\t%ld.%ldkHz @ %ldHz",
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gv->pixel_clock / (gv->htotal * 1000),
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(gv->pixel_clock / (gv->htotal * 100))
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% 10,
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gv->pixel_clock / (gv->htotal * gv->vtotal));
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printf(" flags:");
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if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
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printf(" default");
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} else {
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for (grf_flagp = grf_flags;
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grf_flagp->grf_flag_number; grf_flagp++) {
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if (gv->disp_flags & grf_flagp->grf_flag_number) {
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printf(" %s", grf_flagp->grf_flag_name);
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}
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}
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}
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printf("\n");
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}
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}
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close(grffd);
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return (0);
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}
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static void
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print_rawdata(gv, rawflags)
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struct grfvideo_mode *gv;
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int rawflags;
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{
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struct grf_flag *grf_flagp;
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printf("%ld %d %d %d %d %d %d %d %d %d %d %d",
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gv->pixel_clock,
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gv->disp_width,
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gv->disp_height,
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gv->depth,
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gv->hblank_start,
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gv->hsync_start,
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gv->hsync_stop,
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gv->htotal,
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gv->vblank_start,
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gv->vsync_start,
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gv->vsync_stop,
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gv->vtotal);
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if (rawflags) {
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printf(" 0x%.2x", gv->disp_flags);
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} else {
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if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
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printf(" default");
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} else {
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for (grf_flagp = grf_flags;
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grf_flagp->grf_flag_number; grf_flagp++) {
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if (gv->disp_flags & grf_flagp->grf_flag_number) {
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printf(" %s", grf_flagp->grf_flag_name);
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}
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}
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}
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}
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printf("\n");
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}
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