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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 
15 struct 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 
23 struct 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 
32 struct 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 
44 struct 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
52 struct 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 #define N_TTY 0
133 #define N_SLIP 1
134 #define N_MOUSE 2
135 #define N_PPP 3
136 #define N_STRIP 4
137 #define N_AX25 5
138 #define N_X25 6
139 #define N_6PACK 7
140 #define N_MASC 8
141 #define N_R3964 9
142 #define N_PROFIBUS_FDL 10
143 #define N_IRDA 11
144 #define N_SMSBLOCK 12
145 #define N_HDLC 13
146 #define N_SYNC_PPP 14
147 #define N_HCI 15
148 
149 #endif /* _ASM_TERMIOS_H */
150