projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 9a8fd558 CZ |
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 | ||
| 9a8fd558 CZ |
55 | #ifdef __KERNEL__ |
| 56 | ||
| 57 | /* intr=^C quit=^\ erase=del kill=^U | |
| 58 | eof=^D vtime=\0 vmin=\1 sxtc=\0 | |
| 59 | start=^Q stop=^S susp=^Z eol=\0 | |
| 60 | reprint=^R discard=^U werase=^W lnext=^V | |
| 61 | eol2=\0 | |
| 62 | */ | |
| 63 | #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" | |
| 64 | ||
| 65 | /* | |
| 66 | * Translate a "termio" structure into a "termios". Ugh. | |
| 67 | */ | |
| 68 | ||
| 69 | #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ | |
| 70 | unsigned short __tmp; \ | |
| 71 | get_user(__tmp,&(termio)->x); \ | |
| 72 | *(unsigned short *) &(termios)->x = __tmp; \ | |
| 73 | } | |
| 74 | ||
| 75 | #define user_termio_to_kernel_termios(termios, termio) \ | |
| 76 | ({ \ | |
| 77 | SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ | |
| 78 | SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ | |
| 79 | SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ | |
| 80 | SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ | |
| 81 | copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ | |
| 82 | }) | |
| 83 | ||
| 84 | /* | |
| 85 | * Translate a "termios" structure into a "termio". Ugh. | |
| 86 | */ | |
| 87 | ||
| 88 | #define kernel_termios_to_user_termio(termio, termios) \ | |
| 89 | ({ \ | |
| 90 | put_user((termios)->c_iflag, &(termio)->c_iflag); \ | |
| 91 | put_user((termios)->c_oflag, &(termio)->c_oflag); \ | |
| 92 | put_user((termios)->c_cflag, &(termio)->c_cflag); \ | |
| 93 | put_user((termios)->c_lflag, &(termio)->c_lflag); \ | |
| 94 | put_user((termios)->c_line, &(termio)->c_line); \ | |
| 95 | copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ | |
| 96 | }) | |
| 97 | ||
| ebb2a97b AC |
98 | #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) |
| 99 | #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) | |
| 100 | #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) | |
| 101 | #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) | |
| 9a8fd558 CZ |
102 | |
| 103 | #endif /* __KERNEL__ */ | |
| 104 | ||
| 105 | #endif /* _XTENSA_TERMIOS_H */ |