include/asm-nios2nommu/termios.h

   1 #ifndef _NIOS_TERMIOS_H
   2 #define _NIOS_TERMIOS_H
   3
   4 /*--------------------------------------------------------------------
   5  *
   6  * include/asm-nios2nommu/termios.h
   7  *
   8  * Derived from various works, Alpha, ix86, M68K, Sparc, ...et al
   9  *
  10  * Copyright (C) 2004   Microtronix Datacom Ltd
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  *
  23  * Jan/20/2004          dgt         NiosII
  24  *
  25  ---------------------------------------------------------------------*/
  26
  27
  28 #include <asm/termbits.h>
  29 #include <asm/ioctls.h>
  30
  31 struct winsize {
  32         unsigned short ws_row;
  33         unsigned short ws_col;
  34         unsigned short ws_xpixel;
  35         unsigned short ws_ypixel;
  36 };
  37
  38 #define NCC 8
  39 struct termio {
  40         unsigned short c_iflag;         /* input mode flags */
  41         unsigned short c_oflag;         /* output mode flags */
  42         unsigned short c_cflag;         /* control mode flags */
  43         unsigned short c_lflag;         /* local mode flags */
  44         unsigned char c_line;           /* line discipline */
  45         unsigned char c_cc[NCC];        /* control characters */
  46 };
  47
  48 #ifdef __KERNEL__
  49 /*      intr=^C         quit=^|         erase=del       kill=^U
  50         eof=^D          vtime=\0        vmin=\1         sxtc=\0
  51         start=^Q        stop=^S         susp=^Z         eol=\0
  52         reprint=^R      discard=^U      werase=^W       lnext=^V
  53         eol2=\0
  54 */
  55 #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
  56 #endif
  57
  58 /* modem lines */
  59 #define TIOCM_LE        0x001
  60 #define TIOCM_DTR       0x002
  61 #define TIOCM_RTS       0x004
  62 #define TIOCM_ST        0x008
  63 #define TIOCM_SR        0x010
  64 #define TIOCM_CTS       0x020
  65 #define TIOCM_CAR       0x040
  66 #define TIOCM_RNG       0x080
  67 #define TIOCM_DSR       0x100
  68 #define TIOCM_CD        TIOCM_CAR
  69 #define TIOCM_RI        TIOCM_RNG
  70 #define TIOCM_OUT1      0x2000
  71 #define TIOCM_OUT2      0x4000
  72 #define TIOCM_LOOP      0x8000
  73
  74 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
  75
  76 /* line disciplines */
  77 #define N_TTY           0
  78 #define N_SLIP          1
  79 #define N_MOUSE         2
  80 #define N_PPP           3
  81 #define N_STRIP         4
  82 #define N_AX25          5
  83 #define N_X25           6       /* X.25 async */
  84 #define N_6PACK         7
  85 #define N_MASC          8       /* Reserved for Mobitex module <kaz@cafe.net> */
  86 #define N_R3964         9       /* Reserved for Simatic R3964 module */
  87 #define N_PROFIBUS_FDL  10      /* Reserved for Profibus <Dave@mvhi.com> */
  88 #define N_IRDA          11      /* Linux IrDa - http://irda.sourceforge.net/ */
  89 #define N_SMSBLOCK      12      /* SMS block mode - for talking to GSM data cards about SMS messages */
  90 #define N_HDLC          13      /* synchronous HDLC */
  91 #define N_SYNC_PPP      14
  92 #define N_HCI           15  /* Bluetooth HCI UART */
  93
  94 #ifdef __KERNEL__
  95
  96 /*
  97  * Translate a "termio" structure into a "termios". Ugh.
  98  */
  99 #define user_termio_to_kernel_termios(termios, termio) \
 100 ({ \
 101         unsigned short tmp; \
 102         get_user(tmp, &(termio)->c_iflag); \
 103         (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
 104         get_user(tmp, &(termio)->c_oflag); \
 105         (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
 106         get_user(tmp, &(termio)->c_cflag); \
 107         (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
 108         get_user(tmp, &(termio)->c_lflag); \
 109         (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
 110         get_user((termios)->c_line, &(termio)->c_line); \
 111         copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
 112 })
 113
 114 /*
 115  * Translate a "termios" structure into a "termio". Ugh.
 116  */
 117 #define kernel_termios_to_user_termio(termio, termios) \
 118 ({ \
 119         put_user((termios)->c_iflag, &(termio)->c_iflag); \
 120         put_user((termios)->c_oflag, &(termio)->c_oflag); \
 121         put_user((termios)->c_cflag, &(termio)->c_cflag); \
 122         put_user((termios)->c_lflag, &(termio)->c_lflag); \
 123         put_user((termios)->c_line,  &(termio)->c_line); \
 124         copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
 125 })
 126
 127 #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
 128 #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
 129
 130 #endif  /* __KERNEL__ */
 131
 132 #endif /* _NIOS_TERMIOS_H */