NetBSD/usr.sbin/grfinfo/grfinfo.c

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1994-04-05 01:53:24 +04:00
/*
* Copyright (c) 1987-1993, The University of Utah and
* the Center for Software Science at the University of Utah (CSS).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the Center
* for Software Science at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSS DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSS requests users of this software to return to css-dist@cs.utah.edu any
* improvements that they make and grant CSS redistribution rights.
*
* from: Utah $Hdr: grfinfo.c 1.3 94/04/04$
* $Id: grfinfo.c,v 1.1 1994/04/04 21:53:25 cgd Exp $
*/
#include <stdio.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <dev/grfioctl.h>
int aflg = 0;
int tflg = 1;
char *pname;
char *dname, *tname();
struct grfinfo gi;
struct grf_info {
int grf_id;
char *grf_name;
} info[] = {
GRFGATOR, "gatorbox",
GRFBOBCAT, "topcat",
GRFRBOX, "renaissance",
GRFDAVINCI, "davinci",
-1, "unknown",
};
main(argc, argv)
char **argv;
{
extern int optind, optopt;
extern char *optarg;
register int c;
pname = argv[0];
while ((c = getopt(argc, argv, "at")) != EOF)
switch (c) {
/* everything */
case 'a':
aflg++;
break;
/* type */
case 't':
tflg++;
break;
/* bogon */
case '?':
usage();
}
if (optind == argc)
usage();
dname = argv[optind];
getinfo();
if (aflg)
printall();
else if (tflg)
printf("%s\n", tname());
exit(0);
}
getinfo()
{
int f;
f = open(dname, 0);
if (f < 0 || ioctl(f, GRFIOCGINFO, &gi) < 0) {
if (tflg)
printf("none\n");
else
perror(dname);
exit(1);
}
close(f);
}
printall()
{
printf("%s: %d x %d ", dname, gi.gd_dwidth, gi.gd_dheight);
if (gi.gd_colors < 3)
printf("monochrome");
else {
printf("%d color", gi.gd_colors);
if (gi.gd_planes)
printf(", %d plane", gi.gd_planes);
}
printf(" %s\n", tname());
printf("registers: 0x%x bytes at 0x%x\n",
gi.gd_regsize, gi.gd_regaddr);
printf("framebuf: 0x%x bytes at 0x%x (%d x %d)\n",
gi.gd_fbsize, gi.gd_fbaddr, gi.gd_fbwidth, gi.gd_fbheight);
}
char *
tname()
{
register struct grf_info *gp;
for (gp = info; gp->grf_id >= 0; gp++)
if (gi.gd_id == gp->grf_id)
break;
/*
* Heuristics to differentiate catseye from topcat:
* low-res color catseye has 1k x 1k framebuffer and 64 colors
* hi-res mono and color catseye have 1280 wide display
*/
if (gi.gd_id == GRFBOBCAT &&
(gi.gd_dwidth == 1280 ||
gi.gd_fbsize == 0x100000 && gi.gd_colors == 64))
return("catseye");
return(gp->grf_name);
}
usage()
{
fprintf(stderr, "usage: %s [-at] device\n", pname);
exit(1);
}