xref: /freebsd/sys/dev/altera/pio/pio_if.m (revision 031beb4e239bfce798af17f5fe8dba8bcaf13d99)
1#-
2# Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com>
3# All rights reserved.
4#
5# This software was developed by SRI International and the University of
6# Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7# ("CTSRD"), as part of the DARPA CRASH research programme.
8#
9# Redistribution and use in source and binary forms, with or without
10# modification, are permitted provided that the following conditions
11# are met:
12# 1. Redistributions of source code must retain the above copyright
13#    notice, this list of conditions and the following disclaimer.
14# 2. Redistributions in binary form must reproduce the above copyright
15#    notice, this list of conditions and the following disclaimer in the
16#    documentation and/or other materials provided with the distribution.
17#
18# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28# SUCH DAMAGE.
29#
30#
31
32#include <sys/types.h>
33
34INTERFACE pio;
35
36#
37# PIO device methods
38#
39
40METHOD int read {
41	device_t	dev;
42};
43
44METHOD int setup_irq {
45	device_t	dev;
46	void		*handler;
47	void		*ih_user;
48};
49
50METHOD int teardown_irq {
51	device_t	dev;
52};
53
54METHOD int set {
55	device_t	dev;
56	int		bit;
57	int		enable;
58};
59
60METHOD int configure {
61	device_t	dev;
62	int		dir;
63	int		mask;
64}
65