1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 2005 HAMAJIMA Katsuomi. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#ifndef	_EPGPIOVAR_H_
29#define	_EPGPIOVAR_H_
30
31typedef enum {
32	PORT_A = 0,
33	PORT_B = 1,
34	PORT_C = 2,
35	PORT_D = 3,
36	PORT_E = 4,
37	PORT_F = 5,
38	PORT_G = 6,
39	PORT_H = 7
40} epgpio_port;
41
42struct epgpio_softc;
43
44int epgpio_read(struct epgpio_softc *,epgpio_port, int bit);
45void epgpio_set(struct epgpio_softc *,epgpio_port, int bit);
46void epgpio_clear(struct epgpio_softc *,epgpio_port, int bit);
47void epgpio_in(struct epgpio_softc *,epgpio_port, int bit);
48void epgpio_out(struct epgpio_softc *,epgpio_port, int bit);
49
50void *epgpio_intr_establish(struct epgpio_softc *,epgpio_port, int bit,
51			    int flag, int ipl, int (*)(void *), void *);
52void epgpio_intr_disestablish(struct epgpio_softc *,epgpio_port, int bit);
53
54/* interrupt flags */
55#define	EDGE_TRIGGER	0x01
56#define	LEVEL_SENSE	0x00
57#define	RISING_EDGE	0x02
58#define	HIGH_LEVEL	0x02
59#define	FALLING_EDGE	0x00
60#define	LOW_LEVEL	0x00
61#define	DEBOUNCE	0x04
62
63struct epgpio_attach_args {
64	struct epgpio_softc	*ga_gc;
65	bus_space_tag_t		ga_iot;		/* Bus tag */
66	bus_addr_t		ga_addr;	/* i/o address */
67	int			ga_port;
68	int			ga_bit1;
69	int			ga_bit2;
70};
71
72#endif	/* _EPGPIOVAR_H_ */
73