/*      $NetBSD: at91piovar.h,v 1.3 2025/08/10 19:49:39 andvar Exp $    */

/*
 * Copyright (c) 2007 Embedtronics Oy. All rights reserved.
 *
 * Based on arch/arm/ep93xx/epgpiovar.h
 * 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 _AT91PIOVAR_H_
#define _AT91PIOVAR_H_

typedef enum {
  AT91_PIOA,
  AT91_PIOB,
  AT91_PIOC,
  AT91_PIOD,
  AT91_PIOE,
  AT91_PIOF,
  AT91_PIOG,
  AT91_PIOH,
  AT91_PIO_COUNT,
  AT91_PIO_INVALID = AT91_PIO_COUNT
} at91pio_port;

struct at91pio_softc;

struct at91pio_softc *at91pio_sc(at91pio_port);

int at91pio_read(struct at91pio_softc *, int bit);
void at91pio_set(struct at91pio_softc *, int bit);
void at91pio_clear(struct at91pio_softc *, int bit);
void at91pio_in(struct at91pio_softc *, int bit);
void at91pio_out(struct at91pio_softc *, int bit);
void at91pio_per(struct at91pio_softc *, int bit, int perab);

void *at91pio_intr_establish(struct at91pio_softc *,int bit,
                               int ipl, int (*)(void *), void *);
void at91pio_intr_disestablish(struct at91pio_softc *,int bit,
                                 void *cookie);

struct at91pio_attach_args {
        struct at91pio_softc    *paa_sc;
        bus_space_tag_t         paa_iot;        /* Bus tag      */
        bus_addr_t              paa_addr;       /* i/o address  */
        int                     paa_pid;        /* peripheral id */
        int                     paa_bit;        /* pin number   */
};

#endif  /* _AT91PIOVAR_H_ */