1#-
2# Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD: stable/12/sys/dev/extres/hwreset/hwreset_if.m 294661 2016-01-24 11:03:35Z mmel $
27#
28
29#ifdef FDT
30#include <sys/types.h>
31#include <dev/ofw/ofw_bus.h>
32#endif
33
34INTERFACE hwreset;
35
36#ifdef FDT
37HEADER {
38int hwreset_default_ofw_map(device_t , phandle_t, int, pcell_t *, intptr_t *);
39}
40
41#
42# map fdt property cells to reset id
43# Returns 0 on success or a standard errno value.
44#
45METHOD int map {
46	device_t	provider_dev;
47	phandle_t	xref;
48	int		ncells;
49	pcell_t		*cells;
50	intptr_t	*id;
51} DEFAULT hwreset_default_ofw_map;
52#endif
53
54#
55# Assert/deassert given reset.
56# Returns 0 on success or a standard errno value.
57#
58METHOD int assert {
59	device_t	provider_dev;
60	intptr_t	id;
61	bool		value;
62};
63
64#
65# Get actual status of given reset.
66# Returns 0 on success or a standard errno value.
67#
68METHOD int is_asserted {
69	device_t	provider_dev;
70	intptr_t	id;
71	bool		*value;
72};
73