termios.h revision 384740dc49ea651ba350704d13ff6be9976e37fe 
1/*
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
90#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 termios2))
126#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
127#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
128#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
129
130#endif /* defined(__KERNEL__) */
131
132#endif /* _ASM_TERMIOS_H */
133