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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /usr.sbin/videomode
initial import of NetBSD tree
Diffstat (limited to 'usr.sbin/videomode')
-rw-r--r--usr.sbin/videomode/Makefile7
-rw-r--r--usr.sbin/videomode/videomode.c167
2 files changed, 174 insertions, 0 deletions
diff --git a/usr.sbin/videomode/Makefile b/usr.sbin/videomode/Makefile
new file mode 100644
index 00000000000..f56036ffa32
--- /dev/null
+++ b/usr.sbin/videomode/Makefile
@@ -0,0 +1,7 @@
+# $NetBSD: Makefile,v 1.1 1995/10/09 00:50:07 chopps Exp $
+
+PROG=videomode
+CFLAGS+=-I${.CURDIR}/../../sys/arch -D${MACHINE}
+NOMAN= noman
+
+.include <bsd.prog.mk>
diff --git a/usr.sbin/videomode/videomode.c b/usr.sbin/videomode/videomode.c
new file mode 100644
index 00000000000..ca4e4c2ed31
--- /dev/null
+++ b/usr.sbin/videomode/videomode.c
@@ -0,0 +1,167 @@
+/* $NetBSD: videomode.c,v 1.2 1995/10/09 13:52:49 chopps Exp $ */
+
+/*
+ * Copyright (c) 1995 Christian E. Hopps
+ * Copyright (c) 1994 Markus Wild
+ * All rights reserved.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Markus Wild
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/device.h>
+#include <amiga/dev/grfioctl.h>
+#include <amiga/dev/grfvar.h>
+
+#include <unistd.h>
+#include <errno.h>
+#include <err.h>
+#include <stdio.h>
+
+void dump_mode __P((int));
+void dump_vm __P((struct grfvideo_mode *));
+int get_grf __P((void));
+void set_mode __P((int));
+void usage __P((void));
+
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int m;
+ int c;
+
+ if (argc == 1) {
+ dump_mode(0);
+ return (0);
+ }
+ while ((c = getopt(argc, argv, "as:")) != EOF) {
+ switch (c) {
+ case 'a':
+ if (optind < argc)
+ usage();
+ dump_mode(-1);
+ return (0);
+ case 's':
+ m = atoi(optarg);
+ if (m == 0 || optind < argc)
+ usage();
+ set_mode(m);
+ return (0);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+ if (argc != 1)
+ usage();
+
+ dump_mode(atoi(*argv));
+ return (0);
+}
+
+
+int
+get_grf()
+{
+ struct stat stb;
+ char grfname[80];
+ int grffd;
+
+ /* find out on which ite/grf we are */
+ if (fstat(0, &stb) == -1)
+ err(1, "fstat 0");
+ if (((stb.st_mode & S_IFMT) != S_IFCHR) || !isatty(0))
+ errx(1, "stdin not a tty");
+ if (major(stb.st_rdev) != 13)
+ errx(1, "stdin not an ite device");
+ (void)sprintf(grfname, "/dev/grf%d", minor(stb.st_rdev) & 0x7);
+ if ((grffd = open(grfname, 2)) < 0)
+ err(1, "%s", grfname);
+ return (grffd);
+}
+
+void
+dump_mode(m)
+ int m;
+{
+ struct grfvideo_mode vm;
+ int num_vm;
+ int grffd;
+
+ grffd = get_grf();
+
+ if (ioctl(grffd, GRFGETNUMVM, &num_vm) < 0)
+ err(1, "GRFGETNUMVM");
+ if (m > 0 && m > num_vm)
+ errx(1, "no such mode");
+ if (m <= 0) {
+ (void)printf("Current mode:\n");
+ vm.mode_num = 0;
+ if (ioctl(grffd, GRFGETVMODE, &vm) == 0)
+ dump_vm(&vm);
+ (void)printf("\n");
+ }
+ if (m >= 0)
+ return;
+ for (m = 1; m <= num_vm; m++) {
+ vm.mode_num = m;
+ if (ioctl(grffd, GRFGETVMODE, &vm) == -1)
+ break;
+ dump_vm(&vm);
+ }
+}
+
+void
+set_mode(m)
+ int m;
+{
+ int grffd;
+
+ grffd = get_grf();
+ (void)ioctl(grffd, GRFSETVMODE, &m);
+}
+
+void
+dump_vm(vm)
+ struct grfvideo_mode *vm;
+{
+ (void)printf("%d: %s\n", vm->mode_num, vm->mode_descr);
+ (void)printf("pixel_clock = %u, width = %d, height = %d, depth = %d\n",
+ vm->pixel_clock, vm->disp_width, vm->disp_height, vm->depth);
+}
+
+void
+usage()
+{
+ (void)fprintf(stderr, "usage: videomode [mode]\n");
+ (void)fprintf(stderr, "usage: videomode -a\n");
+ (void)fprintf(stderr, "usage: videomode -s mode\n");
+ exit(0);
+}