Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _ALPHA_TERMIOS_H |
2 | #define _ALPHA_TERMIOS_H | |
3 | ||
4 | #include <asm/ioctls.h> | |
5 | #include <asm/termbits.h> | |
6 | ||
7 | struct sgttyb { | |
8 | char sg_ispeed; | |
9 | char sg_ospeed; | |
10 | char sg_erase; | |
11 | char sg_kill; | |
12 | short sg_flags; | |
13 | }; | |
14 | ||
15 | struct tchars { | |
16 | char t_intrc; | |
17 | char t_quitc; | |
18 | char t_startc; | |
19 | char t_stopc; | |
20 | char t_eofc; | |
21 | char t_brkc; | |
22 | }; | |
23 | ||
24 | struct ltchars { | |
25 | char t_suspc; | |
26 | char t_dsuspc; | |
27 | char t_rprntc; | |
28 | char t_flushc; | |
29 | char t_werasc; | |
30 | char t_lnextc; | |
31 | }; | |
32 | ||
33 | struct winsize { | |
34 | unsigned short ws_row; | |
35 | unsigned short ws_col; | |
36 | unsigned short ws_xpixel; | |
37 | unsigned short ws_ypixel; | |
38 | }; | |
39 | ||
40 | #define NCC 8 | |
41 | struct termio { | |
42 | unsigned short c_iflag; /* input mode flags */ | |
43 | unsigned short c_oflag; /* output mode flags */ | |
44 | unsigned short c_cflag; /* control mode flags */ | |
45 | unsigned short c_lflag; /* local mode flags */ | |
46 | unsigned char c_line; /* line discipline */ | |
47 | unsigned char c_cc[NCC]; /* control characters */ | |
48 | }; | |
49 | ||
50 | /* | |
51 | * c_cc characters in the termio structure. Oh, how I love being | |
52 | * backwardly compatible. Notice that character 4 and 5 are | |
53 | * interpreted differently depending on whether ICANON is set in | |
54 | * c_lflag. If it's set, they are used as _VEOF and _VEOL, otherwise | |
55 | * as _VMIN and V_TIME. This is for compatibility with OSF/1 (which | |
56 | * is compatible with sysV)... | |
57 | */ | |
58 | #define _VINTR 0 | |
59 | #define _VQUIT 1 | |
60 | #define _VERASE 2 | |
61 | #define _VKILL 3 | |
62 | #define _VEOF 4 | |
63 | #define _VMIN 4 | |
64 | #define _VEOL 5 | |
65 | #define _VTIME 5 | |
66 | #define _VEOL2 6 | |
67 | #define _VSWTC 7 | |
68 | ||
69 | /* line disciplines */ | |
70 | #define N_TTY 0 | |
71 | #define N_SLIP 1 | |
72 | #define N_MOUSE 2 | |
73 | #define N_PPP 3 | |
74 | #define N_STRIP 4 | |
75 | #define N_AX25 5 | |
76 | #define N_X25 6 /* X.25 async */ | |
77 | #define N_6PACK 7 | |
78 | #define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */ | |
79 | #define N_R3964 9 /* Reserved for Simatic R3964 module */ | |
80 | #define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */ | |
81 | #define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */ | |
82 | #define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */ | |
83 | #define N_HDLC 13 /* synchronous HDLC */ | |
84 | #define N_SYNC_PPP 14 | |
85 | #define N_HCI 15 /* Bluetooth HCI UART */ | |
86 | ||
87 | #ifdef __KERNEL__ | |
88 | /* eof=^D eol=\0 eol2=\0 erase=del | |
89 | werase=^W kill=^U reprint=^R sxtc=\0 | |
90 | intr=^C quit=^\ susp=^Z <OSF/1 VDSUSP> | |
91 | start=^Q stop=^S lnext=^V discard=^U | |
92 | vmin=\1 vtime=\0 | |
93 | */ | |
94 | #define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000" | |
95 | ||
96 | /* | |
97 | * Translate a "termio" structure into a "termios". Ugh. | |
98 | */ | |
99 | ||
100 | #define user_termio_to_kernel_termios(a_termios, u_termio) \ | |
101 | ({ \ | |
102 | struct termios *k_termios = (a_termios); \ | |
103 | struct termio k_termio; \ | |
104 | int canon, ret; \ | |
105 | \ | |
106 | ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio)); \ | |
107 | if (!ret) { \ | |
108 | /* Overwrite only the low bits. */ \ | |
109 | *(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag; \ | |
110 | *(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag; \ | |
111 | *(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag; \ | |
112 | *(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag; \ | |
113 | canon = k_termio.c_lflag & ICANON; \ | |
114 | \ | |
115 | k_termios->c_cc[VINTR] = k_termio.c_cc[_VINTR]; \ | |
116 | k_termios->c_cc[VQUIT] = k_termio.c_cc[_VQUIT]; \ | |
117 | k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE]; \ | |
118 | k_termios->c_cc[VKILL] = k_termio.c_cc[_VKILL]; \ | |
119 | k_termios->c_cc[VEOL2] = k_termio.c_cc[_VEOL2]; \ | |
120 | k_termios->c_cc[VSWTC] = k_termio.c_cc[_VSWTC]; \ | |
121 | k_termios->c_cc[canon ? VEOF : VMIN] = k_termio.c_cc[_VEOF]; \ | |
122 | k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL]; \ | |
123 | } \ | |
124 | ret; \ | |
125 | }) | |
126 | ||
127 | /* | |
128 | * Translate a "termios" structure into a "termio". Ugh. | |
129 | * | |
130 | * Note the "fun" _VMIN overloading. | |
131 | */ | |
132 | #define kernel_termios_to_user_termio(u_termio, a_termios) \ | |
133 | ({ \ | |
134 | struct termios *k_termios = (a_termios); \ | |
135 | struct termio k_termio; \ | |
136 | int canon; \ | |
137 | \ | |
138 | k_termio.c_iflag = k_termios->c_iflag; \ | |
139 | k_termio.c_oflag = k_termios->c_oflag; \ | |
140 | k_termio.c_cflag = k_termios->c_cflag; \ | |
141 | canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON; \ | |
142 | \ | |
143 | k_termio.c_line = k_termios->c_line; \ | |
144 | k_termio.c_cc[_VINTR] = k_termios->c_cc[VINTR]; \ | |
145 | k_termio.c_cc[_VQUIT] = k_termios->c_cc[VQUIT]; \ | |
146 | k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE]; \ | |
147 | k_termio.c_cc[_VKILL] = k_termios->c_cc[VKILL]; \ | |
148 | k_termio.c_cc[_VEOF] = k_termios->c_cc[canon ? VEOF : VMIN]; \ | |
149 | k_termio.c_cc[_VEOL] = k_termios->c_cc[canon ? VEOL : VTIME]; \ | |
150 | k_termio.c_cc[_VEOL2] = k_termios->c_cc[VEOL2]; \ | |
151 | k_termio.c_cc[_VSWTC] = k_termios->c_cc[VSWTC]; \ | |
152 | \ | |
153 | copy_to_user(u_termio, &k_termio, sizeof(k_termio)); \ | |
154 | }) | |
155 | ||
156 | #define user_termios_to_kernel_termios(k, u) \ | |
157 | copy_from_user(k, u, sizeof(struct termios)) | |
158 | ||
159 | #define kernel_termios_to_user_termios(u, k) \ | |
160 | copy_to_user(u, k, sizeof(struct termios)) | |
161 | ||
162 | #endif /* __KERNEL__ */ | |
163 | ||
164 | #endif /* _ALPHA_TERMIOS_H */ |