Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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
19struct 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
27struct 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
55/* Line disciplines */
56
57#define N_TTY 0
58#define N_SLIP 1
59#define N_MOUSE 2
60#define N_PPP 3
61#define N_STRIP 4
62#define N_AX25 5
63#define N_X25 6 /* X.25 async */
64#define N_6PACK 7
65#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */
66#define N_R3964 9 /* Reserved for Simatic R3964 module */
67#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */
68#define N_IRDA 11 /* Linux IR - http://irda.sourceforge.net/ */
69#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */
70#define N_HDLC 13 /* synchronous HDLC */
71#define N_SYNC_PPP 14
72#define N_HCI 15 /* Bluetooth HCI UART */
73
74#ifdef __KERNEL__
75
76/* intr=^C quit=^\ erase=del kill=^U
77 eof=^D vtime=\0 vmin=\1 sxtc=\0
78 start=^Q stop=^S susp=^Z eol=\0
79 reprint=^R discard=^U werase=^W lnext=^V
80 eol2=\0
81*/
82#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
83
84/*
85 * Translate a "termio" structure into a "termios". Ugh.
86 */
87
88#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
89 unsigned short __tmp; \
90 get_user(__tmp,&(termio)->x); \
91 *(unsigned short *) &(termios)->x = __tmp; \
92}
93
94#define user_termio_to_kernel_termios(termios, termio) \
95({ \
96 SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
97 SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
98 SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
99 SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
100 copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
101})
102
103/*
104 * Translate a "termios" structure into a "termio". Ugh.
105 */
106
107#define kernel_termios_to_user_termio(termio, termios) \
108({ \
109 put_user((termios)->c_iflag, &(termio)->c_iflag); \
110 put_user((termios)->c_oflag, &(termio)->c_oflag); \
111 put_user((termios)->c_cflag, &(termio)->c_cflag); \
112 put_user((termios)->c_lflag, &(termio)->c_lflag); \
113 put_user((termios)->c_line, &(termio)->c_line); \
114 copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
115})
116
117#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
118#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
119
120#endif /* __KERNEL__ */
121
122#endif /* _XTENSA_TERMIOS_H */