1/* $Id: termios.h,v 1.1.1.1 2007/08/03 18:53:37 Exp $ */
2#ifndef _SPARC64_TERMIOS_H
3#define _SPARC64_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/*	intr=^C		quit=^\		erase=del	kill=^U
63	eof=^D		eol=\0		eol2=\0		sxtc=\0
64	start=^Q	stop=^S		susp=^Z		dsusp=^Y
65	reprint=^R	discard=^U	werase=^W	lnext=^V
66	vmin=\1         vtime=\0
67*/
68#define INIT_C_CC "\003\034\177\025\004\000\000\000\021\023\032\031\022\025\027\026\001"
69
70/*
71 * Translate a "termio" structure into a "termios". Ugh.
72 */
73#define user_termio_to_kernel_termios(termios, termio) \
74({ \
75	unsigned short tmp; \
76	int err; \
77	err = get_user(tmp, &(termio)->c_iflag); \
78	(termios)->c_iflag = (0xffff0000 & ((termios)->c_iflag)) | tmp; \
79	err |= get_user(tmp, &(termio)->c_oflag); \
80	(termios)->c_oflag = (0xffff0000 & ((termios)->c_oflag)) | tmp; \
81	err |= get_user(tmp, &(termio)->c_cflag); \
82	(termios)->c_cflag = (0xffff0000 & ((termios)->c_cflag)) | tmp; \
83	err |= get_user(tmp, &(termio)->c_lflag); \
84	(termios)->c_lflag = (0xffff0000 & ((termios)->c_lflag)) | tmp; \
85	err |= copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
86	err; \
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	int err; \
97	err  = put_user((termios)->c_iflag, &(termio)->c_iflag); \
98	err |= put_user((termios)->c_oflag, &(termio)->c_oflag); \
99	err |= put_user((termios)->c_cflag, &(termio)->c_cflag); \
100	err |= put_user((termios)->c_lflag, &(termio)->c_lflag); \
101	err |= put_user((termios)->c_line,  &(termio)->c_line); \
102	err |= copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
103	if (!((termios)->c_lflag & ICANON)) { \
104		err |= put_user((termios)->c_cc[VMIN], &(termio)->c_cc[_VMIN]); \
105		err |= put_user((termios)->c_cc[VTIME], &(termio)->c_cc[_VTIME]); \
106	} \
107	err; \
108})
109
110#define user_termios_to_kernel_termios(k, u) \
111({ \
112	int err; \
113	err  = get_user((k)->c_iflag, &(u)->c_iflag); \
114	err |= get_user((k)->c_oflag, &(u)->c_oflag); \
115	err |= get_user((k)->c_cflag, &(u)->c_cflag); \
116	err |= get_user((k)->c_lflag, &(u)->c_lflag); \
117	err |= get_user((k)->c_line,  &(u)->c_line); \
118	err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \
119	if((k)->c_lflag & ICANON) { \
120		err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
121		err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
122	} else { \
123		err |= get_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
124		err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
125	} \
126	err; \
127})
128
129#define kernel_termios_to_user_termios(u, k) \
130({ \
131	int err; \
132	err  = put_user((k)->c_iflag, &(u)->c_iflag); \
133	err |= put_user((k)->c_oflag, &(u)->c_oflag); \
134	err |= put_user((k)->c_cflag, &(u)->c_cflag); \
135	err |= put_user((k)->c_lflag, &(u)->c_lflag); \
136	err |= put_user((k)->c_line, &(u)->c_line); \
137	err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \
138	if(!((k)->c_lflag & ICANON)) { \
139		err |= put_user((k)->c_cc[VMIN],  &(u)->c_cc[_VMIN]); \
140		err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \
141	} else { \
142		err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \
143		err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \
144	} \
145	err; \
146})
147
148#endif	/* __KERNEL__ */
149
150#endif /* _SPARC64_TERMIOS_H */
151