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/*
63 *	intr=^C		quit=^\		erase=del	kill=^U
64 *	vmin=\1		vtime=\0	eol2=\0		swtc=\0
65 *	start=^Q	stop=^S		susp=^Z		vdsusp=
66 *	reprint=^R	discard=^U	werase=^W	lnext=^V
67 *	eof=^D		eol=\0
68 */
69#define INIT_C_CC "\003\034\177\025\1\0\0\0\021\023\032\0\022\017\027\026\004\0"
70#endif
71
72/* modem lines */
73#define TIOCM_LE	0x001		/* line enable */
74#define TIOCM_DTR	0x002		/* data terminal ready */
75#define TIOCM_RTS	0x004		/* request to send */
76#define TIOCM_ST	0x010		/* secondary transmit */
77#define TIOCM_SR	0x020		/* secondary receive */
78#define TIOCM_CTS	0x040		/* clear to send */
79#define TIOCM_CAR	0x100		/* carrier detect */
80#define TIOCM_CD	TIOCM_CAR
81#define TIOCM_RNG	0x200		/* ring */
82#define TIOCM_RI	TIOCM_RNG
83#define TIOCM_DSR	0x400		/* data set ready */
84#define TIOCM_OUT1	0x2000
85#define TIOCM_OUT2	0x4000
86#define TIOCM_LOOP	0x8000
87
88#define TIOCM_MODEM_BITS       TIOCM_OUT2      /* IRDA support */
89
90/* line disciplines */
91#define N_TTY		0
92#define N_SLIP		1
93#define N_MOUSE		2
94#define N_PPP		3
95#define N_STRIP		4
96#define N_AX25		5
97#define N_X25		6		/* X.25 async */
98#define N_6PACK		7
99#define N_MASC		8	/* Reserved fo Mobitex module <kaz@cafe.net> */
100#define N_R3964		9	/* Reserved for Simatic R3964 module */
101#define N_PROFIBUS_FDL	10	/* Reserved for Profibus <Dave@mvhi.com> */
102#define N_IRDA		11	/* Linux IrDa - http://irda.sourceforge.net/ */
103#define N_SMSBLOCK	12	/* SMS block mode - for talking to GSM data cards about SMS messages */
104#define N_HDLC		13	/* synchronous HDLC */
105#define N_SYNC_PPP	14	/* synchronous PPP */
106#define N_HCI		15	/* Bluetooth HCI UART */
107
108#ifdef __KERNEL__
109
110#include <linux/string.h>
111
112/*
113 * Translate a "termio" structure into a "termios". Ugh.
114 */
115#define user_termio_to_kernel_termios(termios, termio) \
116({ \
117	unsigned short tmp; \
118	get_user(tmp, &(termio)->c_iflag); \
119	(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
120	get_user(tmp, &(termio)->c_oflag); \
121	(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
122	get_user(tmp, &(termio)->c_cflag); \
123	(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
124	get_user(tmp, &(termio)->c_lflag); \
125	(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
126	get_user((termios)->c_line, &(termio)->c_line); \
127	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
128})
129
130/*
131 * Translate a "termios" structure into a "termio". Ugh.
132 */
133#define kernel_termios_to_user_termio(termio, termios) \
134({ \
135	put_user((termios)->c_iflag, &(termio)->c_iflag); \
136	put_user((termios)->c_oflag, &(termio)->c_oflag); \
137	put_user((termios)->c_cflag, &(termio)->c_cflag); \
138	put_user((termios)->c_lflag, &(termio)->c_lflag); \
139	put_user((termios)->c_line, &(termio)->c_line); \
140	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
141})
142
143#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
144#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
145
146#endif /* defined(__KERNEL__) */
147
148#endif /* _ASM_TERMIOS_H */
149