blob: 2ce07f4be369f3637de4e438fa3e274125feeff0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1995, 1996, 2000, 2001 by Ralf Baechle
7 * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
8 */
9#ifndef _ASM_TERMIOS_H
10#define _ASM_TERMIOS_H
11
12#include <asm/termbits.h>
13#include <asm/ioctls.h>
14
15struct sgttyb {
16 char sg_ispeed;
17 char sg_ospeed;
18 char sg_erase;
19 char sg_kill;
20 int sg_flags; /* SGI special - int, not short */
21};
22
23struct tchars {
24 char t_intrc;
25 char t_quitc;
26 char t_startc;
27 char t_stopc;
28 char t_eofc;
29 char t_brkc;
30};
31
32struct ltchars {
33 char t_suspc; /* stop process signal */
34 char t_dsuspc; /* delayed stop process signal */
35 char t_rprntc; /* reprint line */
36 char t_flushc; /* flush output (toggles) */
37 char t_werasc; /* word erase */
38 char t_lnextc; /* literal next character */
39};
40
41/* TIOCGSIZE, TIOCSSIZE not defined yet. Only needed for SunOS source
42 compatibility anyway ... */
43
44struct winsize {
45 unsigned short ws_row;
46 unsigned short ws_col;
47 unsigned short ws_xpixel;
48 unsigned short ws_ypixel;
49};
50
51#define NCC 8
52struct termio {
53 unsigned short c_iflag; /* input mode flags */
54 unsigned short c_oflag; /* output mode flags */
55 unsigned short c_cflag; /* control mode flags */
56 unsigned short c_lflag; /* local mode flags */
57 char c_line; /* line discipline */
58 unsigned char c_cc[NCCS]; /* control characters */
59};
60
61#ifdef __KERNEL__
62#include <linux/module.h>
63
64/*
65 * intr=^C quit=^\ erase=del kill=^U
66 * vmin=\1 vtime=\0 eol2=\0 swtc=\0
67 * start=^Q stop=^S susp=^Z vdsusp=
68 * reprint=^R discard=^U werase=^W lnext=^V
69 * eof=^D eol=\0
70 */
71#define INIT_C_CC "\003\034\177\025\1\0\0\0\021\023\032\0\022\017\027\026\004\0"
72#endif
73
74/* modem lines */
75#define TIOCM_LE 0x001 /* line enable */
76#define TIOCM_DTR 0x002 /* data terminal ready */
77#define TIOCM_RTS 0x004 /* request to send */
78#define TIOCM_ST 0x010 /* secondary transmit */
79#define TIOCM_SR 0x020 /* secondary receive */
80#define TIOCM_CTS 0x040 /* clear to send */
81#define TIOCM_CAR 0x100 /* carrier detect */
82#define TIOCM_CD TIOCM_CAR
83#define TIOCM_RNG 0x200 /* ring */
84#define TIOCM_RI TIOCM_RNG
85#define TIOCM_DSR 0x400 /* data set ready */
86#define TIOCM_OUT1 0x2000
87#define TIOCM_OUT2 0x4000
88#define TIOCM_LOOP 0x8000
89
Linus Torvalds1da177e2005-04-16 15:20:36 -070090#ifdef __KERNEL__
91
92#include <linux/string.h>
93
94/*
95 * Translate a "termio" structure into a "termios". Ugh.
96 */
97#define user_termio_to_kernel_termios(termios, termio) \
98({ \
99 unsigned short tmp; \
100 get_user(tmp, &(termio)->c_iflag); \
101 (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
102 get_user(tmp, &(termio)->c_oflag); \
103 (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
104 get_user(tmp, &(termio)->c_cflag); \
105 (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
106 get_user(tmp, &(termio)->c_lflag); \
107 (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
108 get_user((termios)->c_line, &(termio)->c_line); \
109 copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
110})
111
112/*
113 * Translate a "termios" structure into a "termio". Ugh.
114 */
115#define kernel_termios_to_user_termio(termio, termios) \
116({ \
117 put_user((termios)->c_iflag, &(termio)->c_iflag); \
118 put_user((termios)->c_oflag, &(termio)->c_oflag); \
119 put_user((termios)->c_cflag, &(termio)->c_cflag); \
120 put_user((termios)->c_lflag, &(termio)->c_lflag); \
121 put_user((termios)->c_line, &(termio)->c_line); \
122 copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
123})
124
125#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
126#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
127
128#endif /* defined(__KERNEL__) */
129
130#endif /* _ASM_TERMIOS_H */