/*      $NetBSD: msvar.h,v 1.5 2022/06/26 06:02:28 tsutsui Exp $        */

/*
* Copyright (c) 1996 Leo Weppelman
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _MSVAR_H
#define _MSVAR_H

/*
* Mouse specific packages produced by the keyboard. Currently, we only
* define the REL_MOUSE package, as this is the only one used.
*/
typedef struct {
       uint8_t id;
       int8_t  dx;
       int8_t  dy;
} REL_MOUSE;

#define IS_REL_MOUSE(id)        (((u_int)(id) & 0xF8) == 0xF8)
#define TIMEOUT_ID              (0xFC)

struct ms_softc {
       uint8_t                 ms_buttons; /* button states            */
       uint8_t                 ms_emul3b;  /* emulate 3rd button       */
       struct  evvar           ms_events;  /* event queue state        */
       int                     ms_dx;      /* accumulated dx           */
       int                     ms_dy;      /* accumulated dy           */
       struct firm_event       ms_bq[2];   /* Button queue             */
       int                     ms_bq_idx;  /* Button queue index       */
       struct callout          ms_delay_ch;
};

#ifdef _KERNEL
void    mouse_soft(REL_MOUSE *, int, int);
int     mouseattach(int);
#endif /* _KERNEL */

#endif /* _MSVAR_H */