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wsemulvar.h revision 1.8 
      1 /* $NetBSD: wsemulvar.h,v 1.8 2001/10/13 15:56:16 augustss 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 device;
     34 struct wsdisplay_emulops;
     35 
     36 enum wsemul_resetops {
     37 	WSEMUL_RESET,
     38 	WSEMUL_SYNCFONT,
     39 	WSEMUL_CLEARSCREEN
     40 };
     41 
     42 struct wsemul_ops {
     43 	const char *name;
     44 
     45 	void	*(*cnattach)(const struct wsscreen_descr *, void *,
     46 				  int, int, long);
     47 	void	*(*attach)(int console, const struct wsscreen_descr *, void *,
     48 				int, int, void *, long);
     49 	void	(*output)(void *cookie, const u_char *data, u_int count, int);
     50 	int	(*translate)(void *, keysym_t, char **);
     51 	void	(*detach)(void *cookie, u_int *crow, u_int *ccol);
     52 	void    (*reset)(void *, enum wsemul_resetops);
     53 };
     54 
     55 #if defined(_KERNEL_OPT)
     56 #include "opt_wsemul.h"
     57 #endif
     58 
     59 #ifndef WSEMUL_NO_DUMB
     60 extern const struct wsemul_ops wsemul_dumb_ops;
     61 #endif
     62 #ifdef WSEMUL_SUN
     63 extern const struct wsemul_ops wsemul_sun_ops;
     64 #endif
     65 #ifdef WSEMUL_VT100
     66 extern const struct wsemul_ops wsemul_vt100_ops;
     67 #endif
     68 
     69 const struct wsemul_ops *wsemul_pick(const char *);
     70 
     71 /*
     72  * Callbacks from the emulation code to the display interface driver.
     73  */
     74 void	wsdisplay_emulbell(void *v);
     75 void	wsdisplay_emulinput(void *v, const u_char *, u_int);
     76