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# $FreeBSD$ 27# 28 29#include <sys/bus.h> 30 31INTERFACE iicbb; 32 33# 34# iicbus callback 35# 36METHOD int callback { 37 device_t dev; 38 int index; 39 caddr_t data; 40}; 41 42# 43# Set I2C bus data line 44# 45METHOD void setsda { 46 device_t dev; 47 int val; 48}; 49 50# 51# Set I2C bus clock line 52# 53METHOD void setscl { 54 device_t dev; 55 int val; 56}; 57 58# 59# Get I2C bus data line 60# 61# 62METHOD int getsda { 63 device_t dev; 64}; 65 66# 67# Get I2C bus clock line 68# 69# 70METHOD int getscl { 71 device_t dev; 72}; 73 74# 75# Reset interface 76# 77METHOD int reset { 78 device_t dev; 79 u_char speed; 80 u_char addr; 81 u_char *oldaddr; 82}; 83