include/asm-arm/termios.h

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