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      1 /*	$NetBSD: epgpiovar.h,v 1.1 2005/11/12 05:33:23 hamajima Exp $	*/
      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 
     31 typedef 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 
     42 struct epgpio_softc;
     43 
     44 int epgpio_read(struct epgpio_softc *,epgpio_port, int bit);
     45 void epgpio_set(struct epgpio_softc *,epgpio_port, int bit);
     46 void epgpio_clear(struct epgpio_softc *,epgpio_port, int bit);
     47 void epgpio_in(struct epgpio_softc *,epgpio_port, int bit);
     48 void epgpio_out(struct epgpio_softc *,epgpio_port, int bit);
     49 
     50 void *epgpio_intr_establish(struct epgpio_softc *,epgpio_port, int bit,
     51 			    int flag, int ipl, int (*)(void *), void *);
     52 void 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 
     63 struct 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