xref: /src/sys/dev/hpc/hpckbdvar.h

/*	$NetBSD: hpckbdvar.h,v 1.1.124.1 2008/06/02 13:23:16 mjf Exp $ */

/*-
 * Copyright (c) 1999-2001 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by UCHIYAMA Yasushi.
 *
 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

/*
 * chip interface
 */
struct hpckbd_if;
struct hpckbd_ic_if {
	void	*hii_ctx;
	int	(*hii_establish)(void *, struct hpckbd_if *);
	int	(*hii_poll)(void *);
};

#define hpckbd_ic_establish(ic, kbdif)					\
	(*(ic)->hii_establish)((ic)->hii_ctx, (kbdif))
#define hpckbd_ic_poll(ic)						\
	(*(ic)->hii_poll)((ic)->hii_ctx)

/*
 * hpckbd interface
 */
struct hpckbd_if {
	void	*hi_ctx;
	void	(*hi_input_hook)(void *);
	int	(*hi_input)(void *, int, int);
};

#define hpckbd_input_hook(i)						\
	(*(i)->hi_input_hook)((i)->hi_ctx)
#define hpckbd_input(i, f, a)						\
	(*(i)->hi_input)((i)->hi_ctx, (f), (a))

struct hpckbd_attach_args {
	struct hpckbd_ic_if *haa_ic;
};

int	hpckbd_print(void *, const char *);
int	hpckbd_cnattach(struct hpckbd_ic_if *);