diff options
Diffstat (limited to 'sys/arch/i386/isa/pcvt/Util/set2061/main.c')
-rw-r--r-- | sys/arch/i386/isa/pcvt/Util/set2061/main.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/sys/arch/i386/isa/pcvt/Util/set2061/main.c b/sys/arch/i386/isa/pcvt/Util/set2061/main.c new file mode 100644 index 00000000000..03a482d3e3f --- /dev/null +++ b/sys/arch/i386/isa/pcvt/Util/set2061/main.c @@ -0,0 +1,112 @@ +/* + * Copyright (c) 1994 Hellmuth Michaelis + * + * 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 + * Hellmuth Michaelis + * 4. The name authors may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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. + * + */ + +static char *id = + "@(#)set2061.c, 1.00, Last Edit-Date: [Sun Jan 15 19:52:05 1995]"; + +/*---------------------------------------------------------------------------* + * + * history: + * + * -hm start using 132 columns on my Elsa Winner + * + *---------------------------------------------------------------------------*/ + +#include <stdio.h> +#include <fcntl.h> +#include <machine/pcvt_ioctl.h> + +#define DEFAULTFD 0 + +void AltICD2061SetClock(long frequency, int select); + +main(argc,argv) +int argc; +char *argv[]; +{ + extern int optind; + extern int opterr; + extern char *optarg; + + int fd; + int c; + long freq = -1; + int no = -1; + + while( (c = getopt(argc, argv, "f:n:")) != EOF) + { + switch(c) + { + case 'f': + freq = atoi(optarg); + break; + + case 'n': + no = atoi(optarg); + break; + + case '?': + default: + usage(); + break; + } + } + + if(freq == -1 || no == -1) + usage(); + + if((fd = open("/dev/console", O_RDONLY)) < 0) + fd = DEFAULTFD; + + if(ioctl(fd, KDENABIO, 0) < 0) + { + perror("ioctl(KDENABIO)"); + return 1; + } + + AltICD2061SetClock(freq, no); + + (void)ioctl(fd, KDDISABIO, 0); + + exit(0); +} + +usage() +{ + fprintf(stderr,"\nset2061 - program the ICD2061 video clock chip\n"); + fprintf(stderr,"usage: set2061 -f <freq> -n <no>\n"); + fprintf(stderr," -f <freq> frequency in Hz\n"); + fprintf(stderr," -n <no> clock generator number\n"); + exit(1); +} + |