/* $NetBSD: pl061var.h,v 1.2 2018/10/21 18:31:14 jmcneill Exp $ */

/*
* Copyright (c) 2018 Jonathan A. Kollasch
* 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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 _PL061VAR_H
#define _PL061VAR_H

struct plgpio_softc {
       device_t                sc_dev;
       bus_space_tag_t         sc_bst;
       bus_space_handle_t      sc_bsh;

       struct gpio_chipset_tag sc_gc;
       gpio_pin_t              sc_pins[8];

       uint32_t                sc_reserved_mask;
};

void    plgpio_attach(struct plgpio_softc *);

int     plgpio_pin_read(void *, int);
void    plgpio_pin_write(void *, int, int);
void    plgpio_pin_ctl(void *, int, int);

#define PLGPIO_WRITE(sc, reg, val) \
       bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val))
#define PLGPIO_READ(sc, reg) \
       bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg))

#endif /* !_PL061VAR_H */