/* $NetBSD: lk201var.h,v 1.8 2024/02/14 12:59:44 tsutsui Exp $ */

/*
 * Copyright (c) 1998
 *      Matthias Drochner.  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.
 *
 */

struct lk201_attachment {
        int (*sendchar)(void *, u_char);
        void *cookie;
};

struct lk201_state {
        struct lk201_attachment attmt;

        volatile int waitack;
        int ackdata;

        int kbdtype;
#define KBD_NONE        0x00
#define KBD_LK201       0x01
#define KBD_LK401       0x02
#define LK_KLL 8
        int down_keys_list[LK_KLL];
        int bellvol;
        int leds_state;
        int kcvol;
};

int lk201_init(struct lk201_state *);
int lk201_decode(struct lk201_state *, int, int, u_int *, int *);
void lk201_bell(struct lk201_state *, struct wskbd_bell_data *);
void lk201_set_leds(struct lk201_state *, int);
void lk201_set_keyclick(struct lk201_state *, int);

/* Values returned by lk201_decode */
#define LKD_NODATA      0x00
#define LKD_COMPLETE    0x01
#define LKD_MORE        0x02