210 lines
5.8 KiB
C
210 lines
5.8 KiB
C
/* $NetBSD: lptctl.c,v 1.11 2008/04/28 20:24:16 martin Exp $ */
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/*-
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* Copyright (c) 2004 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 Gary Thorpe.
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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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*
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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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__RCSID("$NetBSD: lptctl.c,v 1.11 2008/04/28 20:24:16 martin Exp $");
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#include <stdio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <err.h>
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#include <sys/ioctl.h>
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#include <dev/ppbus/lptio.h>
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/* Prototypes */
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static void usage(int status);
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static void print_lpt_info(int, int);
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int
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main(const int argc, const char * const * argv) {
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int fd, i;
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int omode, mode, oflags, flags;
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setprogname(argv[0]);
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/* N = command name + device name + number of command-arg pairs */
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/* Check number of arguments: at least 2, always even */
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if((argc < 2) || (argc % 2 != 0))
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usage(1);
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if ((fd = open(argv[1], O_RDONLY, 0)) == -1)
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err(2, "device open");
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/* get current settings */
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if (ioctl(fd, LPTGFLAGS, &flags) == -1)
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err(2, "ioctl(LPTGFLAGS)");
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oflags = flags;
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if (ioctl(fd, LPTGMODE, &mode) == -1)
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err(2, "ioctl(LPTGMODE)");
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omode = mode;
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/* Get command and arg pairs (if any) and do an ioctl for each */
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for(i = 2; i < argc; i += 2) {
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if (strcmp("dma", argv[i]) == 0) {
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if (strcmp("yes", argv[i + 1]) == 0)
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flags |= LPT_DMA;
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else if (strcmp("no", argv[i + 1]) == 0)
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flags &= ~LPT_DMA;
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else {
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errx(2, "invalid '%s' command argument '%s'",
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argv[i], argv[i + 1]);
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}
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} else if (strcmp("mode", argv[i]) == 0) {
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if (strcmp("standard", argv[i + 1]) == 0)
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mode = mode_standard;
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else if (strcmp("ps2", argv[i + 1]) == 0)
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mode = mode_ps2;
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else if (strcmp("nibble", argv[i + 1]) == 0)
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mode = mode_nibble;
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else if (strcmp("fast", argv[i + 1]) == 0)
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mode = mode_fast;
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else if (strcmp("ecp", argv[i + 1]) == 0)
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mode = mode_ecp;
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else if (strcmp("epp", argv[i + 1]) == 0)
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mode = mode_epp;
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else {
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errx(2, "invalid '%s' command argument '%s'",
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argv[i], argv[i+1]);
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}
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} else if (strcmp("ieee", argv[i]) == 0) {
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if (strcmp("yes", argv[i + 1]) == 0)
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flags |= LPT_IEEE;
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else if (strcmp("no", argv[i + 1]) == 0)
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flags &= ~LPT_IEEE;
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else {
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errx(2, "invalid '%s' command argument '%s'",
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argv[i], argv[i+1]);
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}
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} else if (strcmp("intr", argv[i]) == 0) {
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if (strcmp("yes", argv[i + 1]) == 0)
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flags |= LPT_INTR;
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else if (strcmp("no", argv[i + 1]) == 0)
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flags &= ~LPT_INTR;
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else {
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errx(2, "invalid '%s' command argument '%s'",
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argv[i], argv[i+1]);
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}
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} else if (strcmp("prime", argv[i]) == 0) {
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if (strcmp("yes", argv[i + 1]) == 0)
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flags |= LPT_PRIME;
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else if (strcmp("no", argv[i + 1]) == 0)
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flags &= ~LPT_PRIME;
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else {
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errx(2, "invalid '%s' command argument '%s'",
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argv[i], argv[i+1]);
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}
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} else if (strcmp("autolf", argv[i]) == 0) {
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if (strcmp("yes", argv[i + 1]) == 0)
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flags |= LPT_AUTOLF;
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else if (strcmp("no", argv[i + 1]) == 0)
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flags &= ~LPT_AUTOLF;
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else {
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errx(2, "invalid '%s' command argument '%s'",
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argv[i], argv[i+1]);
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}
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} else {
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errx(2, "invalid command '%s'", argv[i]);
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}
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}
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/* update mode and flags */
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if (flags != oflags) {
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if (ioctl(fd, LPTSFLAGS, &flags) == -1)
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err(2, "ioctl(LPTSFLAGS)");
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}
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if (mode != omode) {
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if (ioctl(fd, LPTSMODE, &mode) == -1)
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err(2, "ioctl(LPTSMODE)");
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}
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/* Print out information on device */
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printf("%s status:\n\t", argv[1]);
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print_lpt_info(mode, flags);
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exit(0);
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/* NOTREACHED */
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}
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static void
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print_lpt_info(int mode, int flags) {
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printf("mode=");
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switch(mode) {
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case mode_standard:
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printf("standard ");
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break;
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case mode_nibble:
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printf("nibble ");
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break;
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case mode_fast:
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printf("fast ");
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break;
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case mode_ps2:
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printf("ps2 ");
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break;
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case mode_ecp:
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printf("ecp ");
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break;
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case mode_epp:
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printf("epp ");
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break;
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default:
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printf("<unknown> ");
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break;
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}
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printf("dma=%s ", (flags & LPT_DMA) ? "yes" : "no");
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printf("ieee=%s ", (flags & LPT_IEEE) ? "yes" : "no");
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printf("intr=%s ", (flags & LPT_INTR) ? "yes" : "no");
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printf("prime=%s ", (flags & LPT_PRIME) ? "yes" : "no");
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printf("autolf=%s ", (flags & LPT_AUTOLF) ? "yes" : "no");
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printf("\n");
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}
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static void
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usage(int status) {
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printf("usage:\t%s /dev/device [[command arg] ...]\n"
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"\tcommands are:\n"
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"\t\tmode [standard|ps2|nibble|fast|ecp|epp]\n"
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"\t\tdma [yes|no]\n"
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"\t\tieee [yes|no]\n"
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"\t\tintr [yes|no]\n"
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"\t\tprime [yes|no]\n"
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"\t\tautolf [yes|no]\n",
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getprogname());
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exit(status);
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}
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