include/asm-i386/termios.h

   1 #ifndef _I386_TERMIOS_H
   2 #define _I386_TERMIOS_H
   3
   4 #include <asm/termbits.h>
   5 #include <asm/ioctls.h>
   6
   7 struct winsize {
   8         unsigned short ws_row;
   9         unsigned short ws_col;
  10         unsigned short ws_xpixel;
  11         unsigned short ws_ypixel;
  12 };
  13
  14 #define NCC 8
  15 struct termio {
  16         unsigned short c_iflag;         /* input mode flags */
  17         unsigned short c_oflag;         /* output mode flags */
  18         unsigned short c_cflag;         /* control mode flags */
  19         unsigned short c_lflag;         /* local mode flags */
  20         unsigned char c_line;           /* line discipline */
  21         unsigned char c_cc[NCC];        /* control characters */
  22 };
  23
  24 /* modem lines */
  25 #define TIOCM_LE        0x001
  26 #define TIOCM_DTR       0x002
  27 #define TIOCM_RTS       0x004
  28 #define TIOCM_ST        0x008
  29 #define TIOCM_SR        0x010
  30 #define TIOCM_CTS       0x020
  31 #define TIOCM_CAR       0x040
  32 #define TIOCM_RNG       0x080
  33 #define TIOCM_DSR       0x100
  34 #define TIOCM_CD        TIOCM_CAR
  35 #define TIOCM_RI        TIOCM_RNG
  36 #define TIOCM_OUT1      0x2000
  37 #define TIOCM_OUT2      0x4000
  38 #define TIOCM_LOOP      0x8000
  39
  40 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
  41
  42 /* line disciplines */
  43 #define N_TTY           0
  44 #define N_SLIP          1
  45 #define N_MOUSE         2
  46 #define N_PPP           3
  47 #define N_STRIP         4
  48 #define N_AX25          5
  49 #define N_X25           6       /* X.25 async */
  50 #define N_6PACK         7
  51 #define N_MASC          8       /* Reserved for Mobitex module <kaz@cafe.net> */
  52 #define N_R3964         9       /* Reserved for Simatic R3964 module */
  53 #define N_PROFIBUS_FDL  10      /* Reserved for Profibus <Dave@mvhi.com> */
  54 #define N_IRDA          11      /* Linux IR - http://irda.sourceforge.net/ */
  55 #define N_SMSBLOCK      12      /* SMS block mode - for talking to GSM data cards about SMS messages */
  56 #define N_HDLC          13      /* synchronous HDLC */
  57 #define N_SYNC_PPP      14      /* synchronous PPP */
  58 #define N_HCI           15  /* Bluetooth HCI UART */
  59
  60 #ifdef __KERNEL__
  61 #include <linux/module.h>
  62
  63 /*      intr=^C         quit=^\         erase=del       kill=^U
  64         eof=^D          vtime=\0        vmin=\1         sxtc=\0
  65         start=^Q        stop=^S         susp=^Z         eol=\0
  66         reprint=^R      discard=^U      werase=^W       lnext=^V
  67         eol2=\0
  68 */
  69 #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
  70
  71 /*
  72  * Translate a "termio" structure into a "termios". Ugh.
  73  */
  74 #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
  75         unsigned short __tmp; \
  76         get_user(__tmp,&(termio)->x); \
  77         *(unsigned short *) &(termios)->x = __tmp; \
  78 }
  79
  80 #define user_termio_to_kernel_termios(termios, termio) \
  81 ({ \
  82         SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
  83         SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
  84         SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
  85         SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
  86         copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
  87 })
  88
  89 /*
  90  * Translate a "termios" structure into a "termio". Ugh.
  91  */
  92 #define kernel_termios_to_user_termio(termio, termios) \
  93 ({ \
  94         put_user((termios)->c_iflag, &(termio)->c_iflag); \
  95         put_user((termios)->c_oflag, &(termio)->c_oflag); \
  96         put_user((termios)->c_cflag, &(termio)->c_cflag); \
  97         put_user((termios)->c_lflag, &(termio)->c_lflag); \
  98         put_user((termios)->c_line,  &(termio)->c_line); \
  99         copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
 100 })
 101
 102 #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
 103 #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
 104
 105 #endif  /* __KERNEL__ */
 106
 107 #endif  /* _I386_TERMIOS_H */