iicbus_if.m revision 38775 
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#	$Id: iicbus_if.m,v 1.1.2.4 1998/08/13 17:10:43 son Exp $
27#
28
29INTERFACE iicbus
30
31#
32# Interprete interrupt
33#
34METHOD int intr {
35	device_t dev;
36	int event;
37	char *buf;
38};
39
40#
41# Send REPEATED_START condition
42#
43METHOD int repeated_start {
44	device_t dev;
45	u_char slave;
46};
47
48#
49# Send START condition
50#
51METHOD int start {
52	device_t dev;
53	u_char slave;
54};
55
56#
57# Send STOP condition
58#
59METHOD int stop {
60	device_t dev;
61};
62
63#
64# Read from I2C bus
65#
66METHOD int read {
67	device_t dev;
68	char *buf;
69	int len;
70	int *bytes;
71};
72
73#
74# Write to the I2C bus
75#
76METHOD int write {
77	device_t dev;
78	char *buf;
79	int len;
80	int *bytes;
81};
82
83#
84# Reset I2C bus
85#
86METHOD int reset {
87	device_t dev;
88	u_char speed;
89};
90