Home | History | Annotate | Line # | Download | only in ic
pl061var.h revision 1.1 
      1 /* $NetBSD: pl061var.h,v 1.1 2018/10/15 23:50:48 jmcneill Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2018 Jonathan A. Kollasch
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     20  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     21  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     23  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     25  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     26  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _PL061VAR_H
     30 #define _PL061VAR_H
     31 
     32 struct plgpio_softc {
     33 	device_t		sc_dev;
     34 	bus_space_tag_t		sc_bst;
     35 	bus_space_handle_t	sc_bsh;
     36 
     37 	struct gpio_chipset_tag	sc_gc;
     38 	gpio_pin_t		sc_pins[8];
     39 };
     40 
     41 void	plgpio_attach(struct plgpio_softc *);
     42 
     43 int	plgpio_pin_read(void *, int);
     44 void	plgpio_pin_write(void *, int, int);
     45 void	plgpio_pin_ctl(void *, int, int);
     46 
     47 #define PLGPIO_WRITE(sc, reg, val) \
     48 	bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val))
     49 #define PLGPIO_READ(sc, reg) \
     50 	bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg))
     51 
     52 #endif /* !_PL061VAR_H */
     53