NetBSD/sys/arch/arm/ep93xx/epgpiovar.h

73 lines
2.5 KiB
C

/* $NetBSD: epgpiovar.h,v 1.1 2005/11/12 05:33:23 hamajima Exp $ */
/*
* Copyright (c) 2005 HAMAJIMA Katsuomi. 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 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 AUTHOR 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.
*/
#ifndef _EPGPIOVAR_H_
#define _EPGPIOVAR_H_
typedef enum {
PORT_A = 0,
PORT_B = 1,
PORT_C = 2,
PORT_D = 3,
PORT_E = 4,
PORT_F = 5,
PORT_G = 6,
PORT_H = 7
} epgpio_port;
struct epgpio_softc;
int epgpio_read(struct epgpio_softc *,epgpio_port, int bit);
void epgpio_set(struct epgpio_softc *,epgpio_port, int bit);
void epgpio_clear(struct epgpio_softc *,epgpio_port, int bit);
void epgpio_in(struct epgpio_softc *,epgpio_port, int bit);
void epgpio_out(struct epgpio_softc *,epgpio_port, int bit);
void *epgpio_intr_establish(struct epgpio_softc *,epgpio_port, int bit,
int flag, int ipl, int (*)(void *), void *);
void epgpio_intr_disestablish(struct epgpio_softc *,epgpio_port, int bit);
/* interrupt flags */
#define EDGE_TRIGGER 0x01
#define LEVEL_SENSE 0x00
#define RISING_EDGE 0x02
#define HIGH_LEVEL 0x02
#define FALLING_EDGE 0x00
#define LOW_LEVEL 0x00
#define DEBOUNCE 0x04
struct epgpio_attach_args {
struct epgpio_softc *ga_gc;
bus_space_tag_t ga_iot; /* Bus tag */
bus_addr_t ga_addr; /* i/o address */
int ga_port;
int ga_bit1;
int ga_bit2;
};
#endif /* _EPGPIOVAR_H_ */