linux/include/asm-mips/termios.h
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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
  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#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#endif /* _ASM_TERMIOS_H */
 133
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