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
main(const int argc,const char * const * argv)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
print_lpt_info(int mode,int flags)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
usage(int status)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