1 /* $NetBSD: lptctl.c,v 1.11 2008/04/28 20:24:16 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gary Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __RCSID("$NetBSD: lptctl.c,v 1.11 2008/04/28 20:24:16 martin Exp $"); 34 35 #include <stdio.h> 36 #include <fcntl.h> 37 #include <string.h> 38 #include <unistd.h> 39 #include <stdlib.h> 40 #include <err.h> 41 42 #include <sys/ioctl.h> 43 44 #include <dev/ppbus/lptio.h> 45 46 /* Prototypes */ 47 static void usage(int status); 48 static void print_lpt_info(int, int); 49 50 int 51 main(const int argc, const char * const * argv) { 52 int fd, i; 53 int omode, mode, oflags, flags; 54 55 setprogname(argv[0]); 56 57 /* N = command name + device name + number of command-arg pairs */ 58 /* Check number of arguments: at least 2, always even */ 59 if((argc < 2) || (argc % 2 != 0)) 60 usage(1); 61 62 if ((fd = open(argv[1], O_RDONLY, 0)) == -1) 63 err(2, "device open"); 64 65 /* get current settings */ 66 if (ioctl(fd, LPTGFLAGS, &flags) == -1) 67 err(2, "ioctl(LPTGFLAGS)"); 68 oflags = flags; 69 70 if (ioctl(fd, LPTGMODE, &mode) == -1) 71 err(2, "ioctl(LPTGMODE)"); 72 omode = mode; 73 74 /* Get command and arg pairs (if any) and do an ioctl for each */ 75 for(i = 2; i < argc; i += 2) { 76 if (strcmp("dma", argv[i]) == 0) { 77 if (strcmp("yes", argv[i + 1]) == 0) 78 flags |= LPT_DMA; 79 else if (strcmp("no", argv[i + 1]) == 0) 80 flags &= ~LPT_DMA; 81 else { 82 errx(2, "invalid '%s' command argument '%s'", 83 argv[i], argv[i + 1]); 84 } 85 } else if (strcmp("mode", argv[i]) == 0) { 86 if (strcmp("standard", argv[i + 1]) == 0) 87 mode = mode_standard; 88 else if (strcmp("ps2", argv[i + 1]) == 0) 89 mode = mode_ps2; 90 else if (strcmp("nibble", argv[i + 1]) == 0) 91 mode = mode_nibble; 92 else if (strcmp("fast", argv[i + 1]) == 0) 93 mode = mode_fast; 94 else if (strcmp("ecp", argv[i + 1]) == 0) 95 mode = mode_ecp; 96 else if (strcmp("epp", argv[i + 1]) == 0) 97 mode = mode_epp; 98 else { 99 errx(2, "invalid '%s' command argument '%s'", 100 argv[i], argv[i+1]); 101 } 102 } else if (strcmp("ieee", argv[i]) == 0) { 103 if (strcmp("yes", argv[i + 1]) == 0) 104 flags |= LPT_IEEE; 105 else if (strcmp("no", argv[i + 1]) == 0) 106 flags &= ~LPT_IEEE; 107 else { 108 errx(2, "invalid '%s' command argument '%s'", 109 argv[i], argv[i+1]); 110 } 111 } else if (strcmp("intr", argv[i]) == 0) { 112 if (strcmp("yes", argv[i + 1]) == 0) 113 flags |= LPT_INTR; 114 else if (strcmp("no", argv[i + 1]) == 0) 115 flags &= ~LPT_INTR; 116 else { 117 errx(2, "invalid '%s' command argument '%s'", 118 argv[i], argv[i+1]); 119 } 120 } else if (strcmp("prime", argv[i]) == 0) { 121 if (strcmp("yes", argv[i + 1]) == 0) 122 flags |= LPT_PRIME; 123 else if (strcmp("no", argv[i + 1]) == 0) 124 flags &= ~LPT_PRIME; 125 else { 126 errx(2, "invalid '%s' command argument '%s'", 127 argv[i], argv[i+1]); 128 } 129 } else if (strcmp("autolf", argv[i]) == 0) { 130 if (strcmp("yes", argv[i + 1]) == 0) 131 flags |= LPT_AUTOLF; 132 else if (strcmp("no", argv[i + 1]) == 0) 133 flags &= ~LPT_AUTOLF; 134 else { 135 errx(2, "invalid '%s' command argument '%s'", 136 argv[i], argv[i+1]); 137 } 138 } else { 139 errx(2, "invalid command '%s'", argv[i]); 140 } 141 } 142 143 /* update mode and flags */ 144 if (flags != oflags) { 145 if (ioctl(fd, LPTSFLAGS, &flags) == -1) 146 err(2, "ioctl(LPTSFLAGS)"); 147 } 148 if (mode != omode) { 149 if (ioctl(fd, LPTSMODE, &mode) == -1) 150 err(2, "ioctl(LPTSMODE)"); 151 } 152 153 /* Print out information on device */ 154 printf("%s status:\n\t", argv[1]); 155 print_lpt_info(mode, flags); 156 157 exit(0); 158 /* NOTREACHED */ 159 } 160 161 static void 162 print_lpt_info(int mode, int flags) { 163 printf("mode="); 164 switch(mode) { 165 case mode_standard: 166 printf("standard "); 167 break; 168 case mode_nibble: 169 printf("nibble "); 170 break; 171 case mode_fast: 172 printf("fast "); 173 break; 174 case mode_ps2: 175 printf("ps2 "); 176 break; 177 case mode_ecp: 178 printf("ecp "); 179 break; 180 case mode_epp: 181 printf("epp "); 182 break; 183 default: 184 printf("<unknown> "); 185 break; 186 } 187 188 printf("dma=%s ", (flags & LPT_DMA) ? "yes" : "no"); 189 printf("ieee=%s ", (flags & LPT_IEEE) ? "yes" : "no"); 190 printf("intr=%s ", (flags & LPT_INTR) ? "yes" : "no"); 191 printf("prime=%s ", (flags & LPT_PRIME) ? "yes" : "no"); 192 printf("autolf=%s ", (flags & LPT_AUTOLF) ? "yes" : "no"); 193 194 printf("\n"); 195 } 196 197 static void 198 usage(int status) { 199 printf("usage:\t%s /dev/device [[command arg] ...]\n" 200 "\tcommands are:\n" 201 "\t\tmode [standard|ps2|nibble|fast|ecp|epp]\n" 202 "\t\tdma [yes|no]\n" 203 "\t\tieee [yes|no]\n" 204 "\t\tintr [yes|no]\n" 205 "\t\tprime [yes|no]\n" 206 "\t\tautolf [yes|no]\n", 207 getprogname()); 208 exit(status); 209 } 210
Indexes created Sat Sep 20 22:09:52 GMT 2025