xref: /dragonfly/sys/bus/iicbus/iicbb_if.m (revision 28c7b939) 
1#
2# Copyright (c) 1998 Nicolas Souchu
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: src/sys/dev/iicbus/iicbb_if.m,v 1.3 1999/08/28 00:41:58 peter Exp $
27# $DragonFly: src/sys/bus/iicbus/iicbb_if.m,v 1.3 2003/11/17 00:54:39 asmodai Exp $
28#
29
30#include <sys/bus.h>
31
32INTERFACE iicbb;
33
34#
35# iicbus callback
36#
37METHOD int callback {
38	device_t dev;
39	int index;
40	caddr_t data;
41};
42
43#
44# Set I2C bus lines
45#
46METHOD void setlines {
47	device_t dev;
48	int ctrl;
49	int data;
50};
51
52#
53# Get I2C bus lines
54#
55#
56METHOD int getdataline {
57	device_t dev;
58};
59
60#
61# Reset interface
62#
63METHOD int reset {
64	device_t dev;
65	u_char speed;
66	u_char addr;
67	u_char *oldaddr;
68};
69