xref: /netbsd-src/sys/dev/wscons/wsemulvar.h (revision c5fb1a74ab053566d1e53d82258b1cfd039dd671)
1 /* $NetBSD: wsemulvar.h,v 1.16 2017/05/19 19:22:33 macallan Exp $ */
2 
3 /*
4  * Copyright (c) 1996, 1997 Christopher G. Demetriou.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed by Christopher G. Demetriou
17  *	for the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 struct wsdisplay_emulops;
34 
35 enum wsemul_resetops {
36 	WSEMUL_RESET,
37 	WSEMUL_SYNCFONT,
38 	WSEMUL_CLEARSCREEN
39 };
40 
41 struct wsemul_ops {
42 	const char *name;
43 
44 	void	*(*cnattach)(const struct wsscreen_descr *, void *,
45 				  int, int, long);
46 	void	*(*attach)(int console, const struct wsscreen_descr *, void *,
47 				int, int, void *, long);
48 	void	(*output)(void *, const u_char *, u_int, int);
49 	int	(*translate)(void *, keysym_t, const char **);
50 	void	(*detach)(void *, u_int *, u_int *);
51 	void    (*reset)(void *, enum wsemul_resetops);
52 	void	(*getmsgattrs)(void *, struct wsdisplay_msgattrs *);
53 	void	(*setmsgattrs)(void *, const struct wsscreen_descr *,
54 		               const struct wsdisplay_msgattrs *);
55 	void	(*resize)(void *, const struct wsscreen_descr *);
56 };
57 
58 #if defined(_KERNEL_OPT)
59 #include "opt_wsemul.h"
60 #endif
61 
62 #ifndef WSEMUL_NO_DUMB
63 extern const struct wsemul_ops wsemul_dumb_ops;
64 #endif
65 #ifdef WSEMUL_SUN
66 extern const struct wsemul_ops wsemul_sun_ops;
67 #endif
68 #ifdef WSEMUL_VT100
69 extern const struct wsemul_ops wsemul_vt100_ops;
70 #endif
71 
72 const struct wsemul_ops *wsemul_pick(const char *);
73 void wsemul_drop(const struct wsemul_ops *);
74 int wsemul_add(const struct wsemul_ops *);
75 int wsemul_remove(const struct wsemul_ops *);
76 
77 /*
78  * Callbacks from the emulation code to the display interface driver.
79  */
80 void	wsdisplay_emulbell(void *);
81 void	wsdisplay_emulinput(void *, const u_char *, u_int);
82