include/asm-mips/termios.h

   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 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 */