include/asm-xtensa/termios.h

   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
  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 */