root/sys/arch/mac68k/dev/aedvar.h
/*      $NetBSD: aedvar.h,v 1.9 2012/10/27 17:17:59 chs Exp $   */

/*
 * Copyright (C) 1994   Bradley A. Grantham
 * All rights reserved.
 *
 * 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 AUTHOR ``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 AUTHOR 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.
 */

#include <sys/callout.h>
#include <machine/adbsys.h>

/* Event queue definitions */
#ifndef AED_MAX_EVENTS
#define AED_MAX_EVENTS 200      /* Maximum events to be kept in queue */  
                                /* maybe should be higher for slower macs? */
#endif                          /* AED_MAX_EVENTS */

struct aed_softc {
        struct callout sc_repeat_ch;

        /* ADB info */
        int             origaddr;       /* ADB device type (ADBADDR_AED) */
        int             adbaddr;        /* current ADB address */
        int             handler_id;     /* type of device */

        /* ADB event queue */
        adb_event_t     sc_evq[AED_MAX_EVENTS]; /* the queue */
        int             sc_evq_tail;    /* event queue tail pointer */
        int             sc_evq_len;     /* event queue length */

        /* Keyboard repeat state */
        int             sc_rptdelay;    /* ticks before auto-repeat */
        int             sc_rptinterval; /* ticks between auto-repeat */
        int             sc_repeating;   /* key that is auto-repeating */
        adb_event_t     sc_rptevent;    /* event to auto-repeat */

        int             sc_buttons;     /* mouse button state */

        struct selinfo  sc_selinfo;     /* select() info */
        struct proc *   sc_ioproc;      /* process to wakeup */

        int             sc_open;        /* Are we queuing events? */
        int             sc_options;     /* config options */
};

/* Options */
#define AED_MSEMUL      0x1             /* emulate mouse buttons */

int     aed_input(adb_event_t *);