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-rw-r--r--arch/arm/include/asm/termios.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/arch/arm/include/asm/termios.h b/arch/arm/include/asm/termios.h
new file mode 100644
index 00000000000..293e3f1bc3f
--- /dev/null
+++ b/arch/arm/include/asm/termios.h
@@ -0,0 +1,92 @@
1#ifndef __ASM_ARM_TERMIOS_H
2#define __ASM_ARM_TERMIOS_H
3
4#include <asm/termbits.h>
5#include <asm/ioctls.h>
6
7struct 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
15struct 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#ifdef __KERNEL__
53
54/*
55 * Translate a "termio" structure into a "termios". Ugh.
56 */
57#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
58 unsigned short __tmp; \
59 get_user(__tmp,&(termio)->x); \
60 *(unsigned short *) &(termios)->x = __tmp; \
61}
62
63#define user_termio_to_kernel_termios(termios, termio) \
64({ \
65 SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
66 SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
67 SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
68 SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
69 copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
70})
71
72/*
73 * Translate a "termios" structure into a "termio". Ugh.
74 */
75#define kernel_termios_to_user_termio(termio, termios) \
76({ \
77 put_user((termios)->c_iflag, &(termio)->c_iflag); \
78 put_user((termios)->c_oflag, &(termio)->c_oflag); \
79 put_user((termios)->c_cflag, &(termio)->c_cflag); \
80 put_user((termios)->c_lflag, &(termio)->c_lflag); \
81 put_user((termios)->c_line, &(termio)->c_line); \
82 copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
83})
84
85#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
86#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
87#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
88#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
89
90#endif /* __KERNEL__ */
91
92#endif /* __ASM_ARM_TERMIOS_H */