/*      $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 */