freebsd-dev/sys/dev/extres/hwreset/hwreset_if.m
Michal Meloun 0a17d8c230 Add reset framework, a second part of new 'extended resources' family of
support frameworks (i.e. regulators/phy/tsensors/fuses...).

It provides simple unified consumers interface for manipulations with
on-chip resets.

Reviewed by: ian, imp (paritaly)
2016-01-24 11:03:35 +00:00

73 lines
2.1 KiB
Objective-C

#-
# Copyright 2016 Michal Meloun <mmel@FreeBSD.org>
# 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.
#
# $FreeBSD$
#
#ifdef FDT
#include <sys/types.h>
#include <dev/ofw/ofw_bus.h>
#endif
INTERFACE hwreset;
#ifdef FDT
HEADER {
int hwreset_default_ofw_map(device_t , phandle_t, int, pcell_t *, intptr_t *);
}
#
# map fdt property cells to reset id
# Returns 0 on success or a standard errno value.
#
METHOD int map {
device_t provider_dev;
phandle_t xref;
int ncells;
pcell_t *cells;
intptr_t *id;
} DEFAULT hwreset_default_ofw_map;
#endif
#
# Assert/deassert given reset.
# Returns 0 on success or a standard errno value.
#
METHOD int assert {
device_t provider_dev;
intptr_t id;
bool value;
};
#
# Get actual status of given reset.
# Returns 0 on success or a standard errno value.
#
METHOD int is_asserted {
device_t provider_dev;
intptr_t id;
bool *value;
};