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kbdvar.h revision 1.2 
      1 /*	$NetBSD: kbdvar.h,v 1.2 1997/01/12 22:15:24 leo Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1996 Leo Weppelman.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by Leo Weppelman.
     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 #ifndef _KBDVAR_H
     34 #define _KBDVAR_H
     35 
     36 /*
     37  * The ringbuffer is the interface between the hard and soft interrupt handler.
     38  * The hard interrupt runs straight from the MFP interrupt.
     39  */
     40 #define KBD_RING_SIZE	256   /* Sz of input ring buffer, must be power of 2 */
     41 #define KBD_RING_MASK	255   /* Modulo mask for above			     */
     42 
     43 struct kbd_softc {
     44 	int		k_event_mode;	/* if 1, collect events,	*/
     45 					/*   else pass to ite		*/
     46 	struct evvar	k_events;	/* event queue state		*/
     47 	u_char		k_soft_cs;	/* control-reg. copy		*/
     48 	u_char		k_package[20];	/* XXX package being build	*/
     49 	u_char		k_pkg_size;	/* Size of the package		*/
     50 	u_char		k_pkg_idx;	/* Running pkg assembly index	*/
     51 	u_char		k_pkg_type;	/* Type of package		*/
     52 	u_char		*k_sendp;	/* Output pointer		*/
     53 	int		k_send_cnt;	/* Chars left for output	*/
     54 };
     55 
     56 /*
     57  * Package types
     58  */
     59 #define	KBD_MEM_PKG	0		/* Memory read package		*/
     60 #define	KBD_AMS_PKG	1		/* Absolute mouse package	*/
     61 #define	KBD_RMS_PKG	2		/* Relative mouse package	*/
     62 #define	KBD_CLK_PKG	3		/* Clock package		*/
     63 #define	KBD_JOY0_PKG	4		/* Joystick-0 package		*/
     64 #define	KBD_JOY1_PKG	5		/* Joystick-1 package		*/
     65 #define	KBD_TIMEO_PKG	6		/* Timeout package		*/
     66 
     67 #ifdef _KERNEL
     68 extern	u_char	kbd_modifier;
     69 
     70 void	kbd_write __P((u_char *, int));
     71 int	kbdgetcn __P((void));
     72 void	kbdbell __P((void));
     73 void	kbdenable __P((void));
     74 #endif _KERNEL
     75 
     76 #endif /* _KBDVAR_H */
     77