1#- 2# Copyright (c) 2015 Michal Meloun 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# $FreeBSD$ 27# 28 29#include <machine/bus.h> 30 31INTERFACE syscon; 32 33HEADER { 34 struct syscon; 35} 36 37METHOD int init { 38 struct syscon *syscon; 39}; 40 41METHOD int uninit { 42 struct syscon *syscon; 43}; 44 45/** 46 * Accessor functions for syscon register space 47 */ 48METHOD uint32_t read_4 { 49 struct syscon *syscon; 50 bus_size_t offset; 51}; 52 53METHOD int write_4 { 54 struct syscon *syscon; 55 bus_size_t offset; 56 uint32_t val; 57}; 58 59METHOD int modify_4 { 60 struct syscon *syscon; 61 bus_size_t offset; 62 uint32_t clear_bits; 63 uint32_t set_bits; 64}; 65