iicbus_if.m

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    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: releng/5.2/sys/dev/iicbus/iicbus_if.m 59093 2000-04-08 14:17:18Z dfr $
   27 #
   28 
   29 #include <sys/bus.h>
   30 
   31 INTERFACE iicbus;
   32 
   33 #
   34 # Interpret interrupt
   35 #
   36 METHOD int intr {
   37         device_t dev;
   38         int event;
   39         char *buf;
   40 };
   41 
   42 #
   43 # iicbus callback
   44 #
   45 METHOD int callback {
   46         device_t dev;
   47         int index;
   48         caddr_t data;
   49 };
   50 
   51 #
   52 # Send REPEATED_START condition
   53 #
   54 METHOD int repeated_start {
   55         device_t dev;
   56         u_char slave;
   57         int timeout;
   58 };
   59 
   60 #
   61 # Send START condition
   62 #
   63 METHOD int start {
   64         device_t dev;
   65         u_char slave;
   66         int timeout;
   67 };
   68 
   69 #
   70 # Send STOP condition
   71 #
   72 METHOD int stop {
   73         device_t dev;
   74 };
   75 
   76 #
   77 # Read from I2C bus
   78 #
   79 METHOD int read {
   80         device_t dev;
   81         char *buf;
   82         int len;
   83         int *bytes;
   84         int last;
   85         int delay;
   86 };
   87 
   88 #
   89 # Write to the I2C bus
   90 #
   91 METHOD int write {
   92         device_t dev;
   93         char *buf;
   94         int len;
   95         int *bytes;
   96         int timeout;
   97 };
   98 
   99 #
  100 # Reset I2C bus
  101 #
  102 METHOD int reset {
  103         device_t dev;
  104         u_char speed;
  105         u_char addr;
  106         u_char *oldaddr;
  107 };

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FreeBSD/Linux Kernel Cross Reference sys/dev/iicbus/iicbus_if.m

FreeBSD/Linux Kernel Cross Reference
sys/dev/iicbus/iicbus_if.m