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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 | ||
55 | /* Line disciplines */ | |
56 | ||
57 | #define N_TTY 0 | |
58 | #define N_SLIP 1 | |
59 | #define N_MOUSE 2 | |
60 | #define N_PPP 3 | |
61 | #define N_STRIP 4 | |
62 | #define N_AX25 5 | |
63 | #define N_X25 6 /* X.25 async */ | |
64 | #define N_6PACK 7 | |
65 | #define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ | |
66 | #define N_R3964 9 /* Reserved for Simatic R3964 module */ | |
67 | #define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ | |
68 | #define N_IRDA 11 /* Linux IR - http://irda.sourceforge.net/ */ | |
69 | #define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */ | |
70 | #define N_HDLC 13 /* synchronous HDLC */ | |
71 | #define N_SYNC_PPP 14 | |
72 | #define N_HCI 15 /* Bluetooth HCI UART */ | |
73 | ||
74 | #ifdef __KERNEL__ | |
75 | ||
76 | /* intr=^C quit=^\ erase=del kill=^U | |
77 | eof=^D vtime=\0 vmin=\1 sxtc=\0 | |
78 | start=^Q stop=^S susp=^Z eol=\0 | |
79 | reprint=^R discard=^U werase=^W lnext=^V | |
80 | eol2=\0 | |
81 | */ | |
82 | #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" | |
83 | ||
84 | /* | |
85 | * Translate a "termio" structure into a "termios". Ugh. | |
86 | */ | |
87 | ||
88 | #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ | |
89 | unsigned short __tmp; \ | |
90 | get_user(__tmp,&(termio)->x); \ | |
91 | *(unsigned short *) &(termios)->x = __tmp; \ | |
92 | } | |
93 | ||
94 | #define user_termio_to_kernel_termios(termios, termio) \ | |
95 | ({ \ | |
96 | SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ | |
97 | SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ | |
98 | SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ | |
99 | SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ | |
100 | copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ | |
101 | }) | |
102 | ||
103 | /* | |
104 | * Translate a "termios" structure into a "termio". Ugh. | |
105 | */ | |
106 | ||
107 | #define kernel_termios_to_user_termio(termio, termios) \ | |
108 | ({ \ | |
109 | put_user((termios)->c_iflag, &(termio)->c_iflag); \ | |
110 | put_user((termios)->c_oflag, &(termio)->c_oflag); \ | |
111 | put_user((termios)->c_cflag, &(termio)->c_cflag); \ | |
112 | put_user((termios)->c_lflag, &(termio)->c_lflag); \ | |
113 | put_user((termios)->c_line, &(termio)->c_line); \ | |
114 | copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ | |
115 | }) | |
116 | ||
117 | #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios)) | |
118 | #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) | |
119 | ||
120 | #endif /* __KERNEL__ */ | |
121 | ||
122 | #endif /* _XTENSA_TERMIOS_H */ |