NetBSD-5.0.2/usr.sbin/grfconfig/grfconfig.c
/* $NetBSD: grfconfig.c,v 1.13 2008/07/21 13:36:58 lukem Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ezra Story and Bernd Ernesti.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1997\
The NetBSD Foundation, Inc. All rights reserved.");
#endif /* not lint */
#ifndef lint
__RCSID("$NetBSD: grfconfig.c,v 1.13 2008/07/21 13:36:58 lukem Exp $");
#endif /* not lint */
#include <sys/file.h>
#include <sys/ioctl.h>
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <amiga/dev/grfioctl.h>
int main __P((int, char **));
static void print_rawdata __P((struct grfvideo_mode *, int));
static struct grf_flag {
u_short grf_flag_number;
char *grf_flag_name;
} grf_flags[] = {
{GRF_FLAGS_DBLSCAN, "doublescan"},
{GRF_FLAGS_LACE, "interlace"},
{GRF_FLAGS_PHSYNC, "+hsync"},
{GRF_FLAGS_NHSYNC, "-hsync"},
{GRF_FLAGS_PVSYNC, "+vsync"},
{GRF_FLAGS_NVSYNC, "-vsync"},
{GRF_FLAGS_SYNC_ON_GREEN, "sync-on-green"},
{0, 0}
};
/*
* Dynamic mode loader for NetBSD/Amiga grf devices.
*/
int
main(ac, av)
int ac;
char **av;
{
struct grfvideo_mode gv[1];
struct grf_flag *grf_flagp;
FILE *fp;
int c, y, grffd;
int i, lineno = 0;
int uplim, lowlim;
char rawdata = 0, testmode = 0;
char *grfdevice = 0;
char *modefile = 0;
char buf[_POSIX2_LINE_MAX];
char *cps[31];
char *p;
char *errortext;
while ((c = getopt(ac, av, "rt")) != -1) {
switch (c) {
case 'r': /* raw output */
rawdata = 1;
break;
case 't': /* test the modefile without setting it */
testmode = 1;
break;
default:
printf("grfconfig [-r] device [file]\n");
return (1);
}
}
ac -= optind;
av += optind;
if (ac >= 1)
grfdevice = av[0];
else {
printf("grfconfig: No grf device specified.\n");
return (1);
}
if (ac >= 2)
modefile = av[1];
if ((grffd = open(grfdevice, O_RDWR)) < 0) {
printf("grfconfig: can't open grf device.\n");
return (1);
}
/* If a mode file is specificied, load it in, don't display any info. */
if (modefile) {
if (!(fp = fopen(modefile, "r"))) {
printf("grfconfig: Cannot open mode definition "
"file.\n");
return (1);
}
while (fgets(buf, sizeof(buf), fp)) {
char *obuf, tbuf[_POSIX2_LINE_MAX], *tbuf2;
/*
* check for end-of-section, comments, strip off trailing
* spaces and newline character.
*/
for (p = buf; isspace((unsigned char)*p); ++p)
continue;
if (*p == '\0' || *p == '#')
continue;
for (p = strchr(buf, '\0'); isspace((unsigned char)*--p);)
continue;
*++p = '\0';
obuf = buf;
tbuf2 = tbuf;
while ((*tbuf2 = *obuf) != '\0') {
if (*tbuf2 == '#') {
*tbuf2 = '\0';
break;
}
if (isupper((unsigned char)*tbuf2)) {
*tbuf2 = tolower((unsigned char)*tbuf2);
}
obuf++;
tbuf2++;
}
obuf = tbuf;
lineno = lineno + 1;
for (i = 0, *cps = strtok(buf, " \b\t\r\n");
cps[i] != NULL && i < 30; i++)
cps[i + 1] = strtok(NULL, " \b\t\r\n");
cps[i] = NULL;
if (i < 14) {
printf("grfconfig: too few values in mode "
"definition file:\n %s\n", obuf);
return (1);
}
gv->pixel_clock = atoi(cps[1]);
gv->disp_width = atoi(cps[2]);
gv->disp_height = atoi(cps[3]);
gv->depth = atoi(cps[4]);
gv->hblank_start = atoi(cps[5]);
gv->hsync_start = atoi(cps[6]);
gv->hsync_stop = atoi(cps[7]);
gv->htotal = atoi(cps[8]);
gv->vblank_start = atoi(cps[9]);
gv->vsync_start = atoi(cps[10]);
gv->vsync_stop = atoi(cps[11]);
gv->vtotal = atoi(cps[12]);
if ((y = atoi(cps[0])))
gv->mode_num = y;
else
if (strncasecmp("c", cps[0], 1) == 0) {
gv->mode_num = 255;
gv->depth = 4;
} else {
printf("grfconfig: Illegal mode "
"number: %s\n", cps[0]);
return (1);
}
if ((gv->pixel_clock == 0) ||
(gv->disp_width == 0) ||
(gv->disp_height == 0) ||
(gv->depth == 0) ||
(gv->hblank_start == 0) ||
(gv->hsync_start == 0) ||
(gv->hsync_stop == 0) ||
(gv->htotal == 0) ||
(gv->vblank_start == 0) ||
(gv->vsync_start == 0) ||
(gv->vsync_stop == 0) ||
(gv->vtotal == 0)) {
printf("grfconfig: Illegal value in "
"mode #%d:\n %s\n", gv->mode_num, obuf);
return (1);
}
if (strstr(obuf, "default") != NULL) {
gv->disp_flags = GRF_FLAGS_DEFAULT;
} else {
gv->disp_flags = GRF_FLAGS_DEFAULT;
for (grf_flagp = grf_flags;
grf_flagp->grf_flag_number; grf_flagp++) {
if (strstr(obuf, grf_flagp->grf_flag_name) != NULL) {
gv->disp_flags |= grf_flagp->grf_flag_number;
}
}
if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
printf("grfconfig: Your are using an "
"mode file with an obsolete "
"format.\n See the manpage of "
"grfconfig for more information "
"about the new mode definition "
"file.\n");
return (1);
}
}
/*
* Check for impossible gv->disp_flags:
* doublescan and interlace,
* +hsync and -hsync
* +vsync and -vsync.
*/
errortext = NULL;
if ((gv->disp_flags & GRF_FLAGS_DBLSCAN) &&
(gv->disp_flags & GRF_FLAGS_LACE))
errortext = "Interlace and Doublescan";
if ((gv->disp_flags & GRF_FLAGS_PHSYNC) &&
(gv->disp_flags & GRF_FLAGS_NHSYNC))
errortext = "+hsync and -hsync";
if ((gv->disp_flags & GRF_FLAGS_PVSYNC) &&
(gv->disp_flags & GRF_FLAGS_NVSYNC))
errortext = "+vsync and -vsync";
if (errortext != NULL) {
printf("grfconfig: Illegal flags in "
"mode #%d: %s are both defined!\n",
gv->mode_num, errortext);
return (1);
}
/* Check for old horizontal cycle values */
if ((gv->htotal < (gv->disp_width / 4))) {
gv->hblank_start *= 8;
gv->hsync_start *= 8;
gv->hsync_stop *= 8;
gv->htotal *= 8;
printf("grfconfig: Old and no longer "
"supported horizontal videoclock cycle "
"values.\n Wrong mode line:\n %s\n "
"This could be a possible good mode "
"line:\n ", obuf);
printf("%d ", gv->mode_num);
print_rawdata(gv, 0);
printf(" See the manpage of grfconfig for "
"more information about the new mode "
"definition file.\n");
return (1);
}
/* Check for old interlace or doublescan modes */
uplim = gv->disp_height + (gv->disp_height / 4);
lowlim = gv->disp_height - (gv->disp_height / 4);
if (((gv->vtotal * 2) > lowlim) &&
((gv->vtotal * 2) < uplim)) {
gv->vblank_start *= 2;
gv->vsync_start *= 2;
gv->vsync_stop *= 2;
gv->vtotal *= 2;
gv->disp_flags &= ~GRF_FLAGS_DBLSCAN;
gv->disp_flags |= GRF_FLAGS_LACE;
printf("grfconfig: Old and no longer "
"supported vertical values for "
"interlace modes.\n Wrong mode "
"line:\n %s\n This could be a "
"possible good mode line:\n ", obuf);
printf("%d ", gv->mode_num);
print_rawdata(gv, 0);
printf(" See the manpage of grfconfig for "
"more information about the new mode "
"definition file.\n");
return (1);
} else if (((gv->vtotal / 2) > lowlim) &&
((gv->vtotal / 2) < uplim)) {
gv->vblank_start /= 2;
gv->vsync_start /= 2;
gv->vsync_stop /= 2;
gv->vtotal /= 2;
gv->disp_flags &= ~GRF_FLAGS_LACE;
gv->disp_flags |= GRF_FLAGS_DBLSCAN;
printf("grfconfig: Old and no longer "
"supported vertical values for "
"doublescan modes.\n Wrong mode "
"line:\n %s\n This could be a "
"possible good mode line:\n ", obuf);
printf("%d ", gv->mode_num);
print_rawdata(gv, 0);
printf(" See the manpage of grfconfig for "
"more information about the new mode "
"definition file.\n");
return (1);
}
if (testmode == 1) {
if (lineno == 1)
printf("num clk wid hi dep hbs "
"hss hse ht vbs vss vse vt "
"flags\n");
printf("%d ", gv->mode_num);
print_rawdata(gv, 1);
} else {
gv->mode_descr[0] = 0;
if (ioctl(grffd, GRFIOCSETMON, (char *) gv) < 0)
printf("grfconfig: bad monitor "
"definition for mode #%d.\n",
gv->mode_num);
}
}
fclose(fp);
} else {
ioctl(grffd, GRFGETNUMVM, &y);
y += 2;
for (c = 1; c < y; c++) {
c = gv->mode_num = (c != (y - 1)) ? c : 255;
if (ioctl(grffd, GRFGETVMODE, gv) < 0)
continue;
if (rawdata) {
if (c == 255)
printf("c ");
else
printf("%d ", c);
print_rawdata(gv, 0);
continue;
}
if (c == 255)
printf("Console: ");
else
printf("%2d: ", gv->mode_num);
printf("%dx%d",
gv->disp_width,
gv->disp_height);
if (c != 255)
printf("x%d", gv->depth);
else
printf(" (%dx%d)",
gv->disp_width / 8,
gv->disp_height / gv->depth);
printf("\t%ld.%ldkHz @ %ldHz",
gv->pixel_clock / (gv->htotal * 1000),
(gv->pixel_clock / (gv->htotal * 100))
% 10,
gv->pixel_clock / (gv->htotal * gv->vtotal));
printf(" flags:");
if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
printf(" default");
} else {
for (grf_flagp = grf_flags;
grf_flagp->grf_flag_number; grf_flagp++) {
if (gv->disp_flags & grf_flagp->grf_flag_number) {
printf(" %s", grf_flagp->grf_flag_name);
}
}
}
printf("\n");
}
}
close(grffd);
return (0);
}
static void
print_rawdata(gv, rawflags)
struct grfvideo_mode *gv;
int rawflags;
{
struct grf_flag *grf_flagp;
printf("%ld %d %d %d %d %d %d %d %d %d %d %d",
gv->pixel_clock,
gv->disp_width,
gv->disp_height,
gv->depth,
gv->hblank_start,
gv->hsync_start,
gv->hsync_stop,
gv->htotal,
gv->vblank_start,
gv->vsync_start,
gv->vsync_stop,
gv->vtotal);
if (rawflags) {
printf(" 0x%.2x", gv->disp_flags);
} else {
if (gv->disp_flags == GRF_FLAGS_DEFAULT) {
printf(" default");
} else {
for (grf_flagp = grf_flags;
grf_flagp->grf_flag_number; grf_flagp++) {
if (gv->disp_flags & grf_flagp->grf_flag_number) {
printf(" %s", grf_flagp->grf_flag_name);
}
}
}
}
printf("\n");
}