1/*	$NetBSD$	*/
2/*	$OpenBSD: termios.c,v 1.2 2005/05/24 20:38:20 uwe Exp $	*/
3
4/*-
5 * Copyright (c) 1989, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include "boot.h"
34#include "unixdev.h"
35
36#include "compat_linux.h"
37#include "termios.h"
38
39int
40linux_cfsetspeed(struct linux_termios *t, linux_speed_t speed)
41{
42	int mask;
43	int i;
44
45	mask = LINUX_B9600;	/* XXX default value should this be 0? */
46	for (i = 0; i < __arraycount(linux_speeds); i++) {
47		if (speed == linux_speeds[i]) {
48			mask = linux_spmasks[i];
49			break;
50		}
51	}
52	if (i == __arraycount(linux_speeds))
53		return -1;
54
55	t->c_cflag &= ~LINUX_CBAUD;
56	t->c_cflag |= mask;
57	return 0;
58}
59
60void
61linux_cfmakeraw(struct linux_termios *t)
62{
63
64	t->c_iflag &= ~(LINUX_IMAXBEL
65		       |LINUX_IGNBRK
66		       |LINUX_BRKINT
67		       |LINUX_PARMRK
68		       |LINUX_ISTRIP
69		       |LINUX_INLCR
70		       |LINUX_IGNCR
71		       |LINUX_ICRNL
72		       |LINUX_IXON);
73	t->c_oflag &= ~LINUX_OPOST;
74	t->c_lflag &= ~(LINUX_ECHO
75		       |LINUX_ECHONL
76		       |LINUX_ICANON
77		       |LINUX_ISIG
78		       |LINUX_IEXTEN);
79	t->c_cflag &= ~(LINUX_CSIZE|LINUX_PARENB);
80	t->c_cflag |= LINUX_CS8;
81}
82
83int
84linux_tcgetattr(int fd, struct linux_termios *t)
85{
86
87	return uioctl(fd, LINUX_TCGETS, t);
88}
89
90/* This function differs slightly from tcsetattr() in libc. */
91int
92linux_tcsetattr(int fd, int action, struct linux_termios *t)
93{
94
95	switch (action) {
96	case LINUX_TCSETS:
97	case LINUX_TCSETSW:
98	case LINUX_TCSETSF:
99		break;
100
101	default:
102		errno = EINVAL;
103		return -1;
104	}
105	return uioctl(fd, action, t);
106}
107
108void dummycall(void);
109void
110dummycall(void)
111{
112
113	(void)linux_termio_to_bsd_termios;
114	(void)bsd_termios_to_linux_termio;
115	(void)linux_termios_to_bsd_termios;
116	(void)bsd_termios_to_linux_termios;
117}
118