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1da177e4 LT |
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 | ||
1da177e4 LT |
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 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 */ |