1/* $Id: termios.h,v 1.1.1.1 2007/08/03 18:53:36 Exp $ */
2#ifndef _SPARC_TERMIOS_H
3#define _SPARC_TERMIOS_H
4
5#include <asm/ioctls.h>
6#include <asm/termbits.h>
7
8#if defined(__KERNEL__) || defined(__DEFINE_BSD_TERMIOS)
9struct sgttyb {
10	char	sg_ispeed;
11	char	sg_ospeed;
12	char	sg_erase;
13	char	sg_kill;
14	short	sg_flags;
15};
16
17struct tchars {
18	char	t_intrc;
19	char	t_quitc;
20	char	t_startc;
21	char	t_stopc;
22	char	t_eofc;
23	char	t_brkc;
24};
25
26struct ltchars {
27	char	t_suspc;
28	char	t_dsuspc;
29	char	t_rprntc;
30	char	t_flushc;
31	char	t_werasc;
32	char	t_lnextc;
33};
34#endif /* __KERNEL__ */
35
36struct sunos_ttysize {
37	int st_lines;   /* Lines on the terminal */
38	int st_columns; /* Columns on the terminal */
39};
40
41struct winsize {
42	unsigned short ws_row;
43	unsigned short ws_col;
44	unsigned short ws_xpixel;
45	unsigned short ws_ypixel;
46};
47
48#ifdef __KERNEL__
49#include <linux/module.h>
50
51/*
52 * c_cc characters in the termio structure.  Oh, how I love being
53 * backwardly compatible.  Notice that character 4 and 5 are
54 * interpreted differently depending on whether ICANON is set in
55 * c_lflag.  If it's set, they are used as _VEOF and _VEOL, otherwise
56 * as _VMIN and V_TIME.  This is for compatibility with OSF/1 (which
57 * is compatible with sysV)...
58 */
59#define _VMIN	4
60#define _VTIME	5
61
62
63/*	intr=^C		quit=^\		erase=del	kill=^U
64	eof=^D		eol=\0		eol2=\0		sxtc=\0
65	start=^Q	stop=^S		susp=^Z		dsusp=^Y
66	reprint=^R	discard=^U	werase=^W	lnext=^V
67	vmin=\1         vtime=\0
68*/
69#define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
70
71/*
72 * Translate a "termio" structure into a "termios". Ugh.
73 */
74#define user_termio_to_kernel_termios(termios, termio) \
75({ \
76	unsigned short tmp; \
77	get_user(tmp, &(termio)->c_iflag); \
78	(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
79	get_user(tmp, &(termio)->c_oflag); \
80	(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
81	get_user(tmp, &(termio)->c_cflag); \
82	(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
83	get_user(tmp, &(termio)->c_lflag); \
84	(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
85	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
86	0; \
87})
88
89/*
90 * Translate a "termios" structure into a "termio". Ugh.
91 *
92 * Note the "fun" _VMIN overloading.
93 */
94#define kernel_termios_to_user_termio(termio, termios) \
95({ \
96	put_user((termios)->c_iflag, &(termio)->c_iflag); \
97	put_user((termios)->c_oflag, &(termio)->c_oflag); \
98	put_user((termios)->c_cflag, &(termio)->c_cflag); \
99	put_user((termios)->c_lflag, &(termio)->c_lflag); \
100	put_user((termios)->c_line,  &(termio)->c_line); \
101	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
102	if (!((termios)->c_lflag & ICANON)) { \
103		put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
104		put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
105	} \
106	0; \
107})
108
109#define user_termios_to_kernel_termios(k, u) \
110({ \
111	get_user((k)->c_iflag, &(u)->c_iflag); \
112	get_user((k)->c_oflag, &(u)->c_oflag); \
113	get_user((k)->c_cflag, &(u)->c_cflag); \
114	get_user((k)->c_lflag, &(u)->c_lflag); \
115	get_user((k)->c_line,  &(u)->c_line); \
116	copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
117	if((k)->c_lflag & ICANON) { \
118		get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
119		get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
120	} else { \
121		get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
122		get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
123	} \
124	0; \
125})
126
127#define kernel_termios_to_user_termios(u, k) \
128({ \
129	put_user((k)->c_iflag, &(u)->c_iflag); \
130	put_user((k)->c_oflag, &(u)->c_oflag); \
131	put_user((k)->c_cflag, &(u)->c_cflag); \
132	put_user((k)->c_lflag, &(u)->c_lflag); \
133	put_user((k)->c_line, &(u)->c_line); \
134	copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
135	if(!((k)->c_lflag & ICANON)) { \
136		put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
137		put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
138	} else { \
139		put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
140		put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
141	} \
142	0; \
143})
144
145#endif	/* __KERNEL__ */
146
147#endif /* _SPARC_TERMIOS_H */
148