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