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9a8fd558 CZ |
1 | /* |
2 | * include/asm-xtensa/termios.h | |
3 | * | |
4 | * Copied from SH. | |
5 | * | |
6 | * This file is subject to the terms and conditions of the GNU General Public | |
7 | * License. See the file "COPYING" in the main directory of this archive | |
8 | * for more details. | |
9 | * | |
10 | * Copyright (C) 2001 - 2005 Tensilica Inc. | |
11 | */ | |
12 | ||
13 | #ifndef _XTENSA_TERMIOS_H | |
14 | #define _XTENSA_TERMIOS_H | |
15 | ||
16 | #include <asm/termbits.h> | |
17 | #include <asm/ioctls.h> | |
18 | ||
19 | struct winsize { | |
20 | unsigned short ws_row; | |
21 | unsigned short ws_col; | |
22 | unsigned short ws_xpixel; | |
23 | unsigned short ws_ypixel; | |
24 | }; | |
25 | ||
26 | #define NCC 8 | |
27 | struct termio { | |
28 | unsigned short c_iflag; /* input mode flags */ | |
29 | unsigned short c_oflag; /* output mode flags */ | |
30 | unsigned short c_cflag; /* control mode flags */ | |
31 | unsigned short c_lflag; /* local mode flags */ | |
32 | unsigned char c_line; /* line discipline */ | |
33 | unsigned char c_cc[NCC]; /* control characters */ | |
34 | }; | |
35 | ||
36 | /* Modem lines */ | |
37 | ||
38 | #define TIOCM_LE 0x001 | |
39 | #define TIOCM_DTR 0x002 | |
40 | #define TIOCM_RTS 0x004 | |
41 | #define TIOCM_ST 0x008 | |
42 | #define TIOCM_SR 0x010 | |
43 | #define TIOCM_CTS 0x020 | |
44 | #define TIOCM_CAR 0x040 | |
45 | #define TIOCM_RNG 0x080 | |
46 | #define TIOCM_DSR 0x100 | |
47 | #define TIOCM_CD TIOCM_CAR | |
48 | #define TIOCM_RI TIOCM_RNG | |
49 | #define TIOCM_OUT1 0x2000 | |
50 | #define TIOCM_OUT2 0x4000 | |
51 | #define TIOCM_LOOP 0x8000 | |
52 | ||
53 | /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ | |
54 | ||
9a8fd558 CZ |
55 | #ifdef __KERNEL__ |
56 | ||
57 | /* intr=^C quit=^\ erase=del kill=^U | |
58 | eof=^D vtime=\0 vmin=\1 sxtc=\0 | |
59 | start=^Q stop=^S susp=^Z eol=\0 | |
60 | reprint=^R discard=^U werase=^W lnext=^V | |
61 | eol2=\0 | |
62 | */ | |
63 | #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" | |
64 | ||
65 | /* | |
66 | * Translate a "termio" structure into a "termios". Ugh. | |
67 | */ | |
68 | ||
69 | #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ | |
70 | unsigned short __tmp; \ | |
71 | get_user(__tmp,&(termio)->x); \ | |
72 | *(unsigned short *) &(termios)->x = __tmp; \ | |
73 | } | |
74 | ||
75 | #define user_termio_to_kernel_termios(termios, termio) \ | |
76 | ({ \ | |
77 | SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ | |
78 | SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ | |
79 | SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ | |
80 | SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ | |
81 | copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ | |
82 | }) | |
83 | ||
84 | /* | |
85 | * Translate a "termios" structure into a "termio". Ugh. | |
86 | */ | |
87 | ||
88 | #define kernel_termios_to_user_termio(termio, termios) \ | |
89 | ({ \ | |
90 | put_user((termios)->c_iflag, &(termio)->c_iflag); \ | |
91 | put_user((termios)->c_oflag, &(termio)->c_oflag); \ | |
92 | put_user((termios)->c_cflag, &(termio)->c_cflag); \ | |
93 | put_user((termios)->c_lflag, &(termio)->c_lflag); \ | |
94 | put_user((termios)->c_line, &(termio)->c_line); \ | |
95 | copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ | |
96 | }) | |
97 | ||
98 | #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios)) | |
99 | #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) | |
100 | ||
101 | #endif /* __KERNEL__ */ | |
102 | ||
103 | #endif /* _XTENSA_TERMIOS_H */ |