target/linux/ubicom32/files/arch/ubicom32/include/asm/termios.h

   1 /*
   2  * arch/ubicom32/include/asm/termios.h
   3  *   Ubicom32 termio definitions.
   4  *
   5  * (C) Copyright 2009, Ubicom, Inc.
   6  *
   7  * This file is part of the Ubicom32 Linux Kernel Port.
   8  *
   9  * The Ubicom32 Linux Kernel Port is free software: you can redistribute
  10  * it and/or modify it under the terms of the GNU General Public License
  11  * as published by the Free Software Foundation, either version 2 of the
  12  * License, or (at your option) any later version.
  13  *
  14  * The Ubicom32 Linux Kernel Port is distributed in the hope that it
  15  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  16  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  17  * the GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with the Ubicom32 Linux Kernel Port.  If not,
  21  * see <http://www.gnu.org/licenses/>.
  22  *
  23  * Ubicom32 implementation derived from (with many thanks):
  24  *   arch/m68knommu
  25  *   arch/blackfin
  26  *   arch/parisc
  27  */
  28 #ifndef _ASM_UBICOM32_TERMIOS_H
  29 #define _ASM_UBICOM32_TERMIOS_H
  30
  31 #include <asm/termbits.h>
  32 #include <asm/ioctls.h>
  33
  34 struct winsize {
  35         unsigned short ws_row;
  36         unsigned short ws_col;
  37         unsigned short ws_xpixel;
  38         unsigned short ws_ypixel;
  39 };
  40
  41 #define NCC 8
  42 struct termio {
  43         unsigned short c_iflag;         /* input mode flags */
  44         unsigned short c_oflag;         /* output mode flags */
  45         unsigned short c_cflag;         /* control mode flags */
  46         unsigned short c_lflag;         /* local mode flags */
  47         unsigned char c_line;           /* line discipline */
  48         unsigned char c_cc[NCC];        /* control characters */
  49 };
  50
  51 #ifdef __KERNEL__
  52 /*      intr=^C         quit=^|         erase=del       kill=^U
  53         eof=^D          vtime=\0        vmin=\1         sxtc=\0
  54         start=^Q        stop=^S         susp=^Z         eol=\0
  55         reprint=^R      discard=^U      werase=^W       lnext=^V
  56         eol2=\0
  57 */
  58 #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
  59 #endif
  60
  61 /* modem lines */
  62 #define TIOCM_LE        0x001
  63 #define TIOCM_DTR       0x002
  64 #define TIOCM_RTS       0x004
  65 #define TIOCM_ST        0x008
  66 #define TIOCM_SR        0x010
  67 #define TIOCM_CTS       0x020
  68 #define TIOCM_CAR       0x040
  69 #define TIOCM_RNG       0x080
  70 #define TIOCM_DSR       0x100
  71 #define TIOCM_CD        TIOCM_CAR
  72 #define TIOCM_RI        TIOCM_RNG
  73 #define TIOCM_OUT1      0x2000
  74 #define TIOCM_OUT2      0x4000
  75 #define TIOCM_LOOP      0x8000
  76
  77 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
  78
  79 #ifdef __KERNEL__
  80
  81 /*
  82  * Translate a "termio" structure into a "termios". Ugh.
  83  */
  84 #define user_termio_to_kernel_termios(termios, termio) \
  85 ({ \
  86         unsigned short tmp; \
  87         get_user(tmp, &(termio)->c_iflag); \
  88         (termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
  89         get_user(tmp, &(termio)->c_oflag); \
  90         (termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
  91         get_user(tmp, &(termio)->c_cflag); \
  92         (termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
  93         get_user(tmp, &(termio)->c_lflag); \
  94         (termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
  95         get_user((termios)->c_line, &(termio)->c_line); \
  96         copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
  97 })
  98
  99 /*
 100  * Translate a "termios" structure into a "termio". Ugh.
 101  */
 102 #define kernel_termios_to_user_termio(termio, termios) \
 103 ({ \
 104         put_user((termios)->c_iflag, &(termio)->c_iflag); \
 105         put_user((termios)->c_oflag, &(termio)->c_oflag); \
 106         put_user((termios)->c_cflag, &(termio)->c_cflag); \
 107         put_user((termios)->c_lflag, &(termio)->c_lflag); \
 108         put_user((termios)->c_line,  &(termio)->c_line); \
 109         copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
 110 })
 111
 112 #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
 113 #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
 114 #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
 115 #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
 116
 117 #endif  /* __KERNEL__ */
 118
 119 #endif /* _ASM_UBICOM32_TERMIOS_H */