smbus_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/8.1/sys/dev/smbus/smbus_if.m 162234 2006-09-11 20:52:41Z jhb $
   27 #
   28 
   29 #include <sys/bus.h>
   30 
   31 INTERFACE smbus;
   32 
   33 #
   34 # Interpret interrupt
   35 #
   36 METHOD void intr {
   37         device_t dev;
   38         u_char devaddr;
   39         char low;
   40         char high;
   41         int error;
   42 };
   43 
   44 #
   45 # smbus callback
   46 #
   47 METHOD int callback {
   48         device_t dev;
   49         int index;
   50         void *data;
   51 };
   52 
   53 #
   54 # Quick command
   55 #
   56 METHOD int quick {
   57         device_t dev;
   58         u_char slave;
   59         int how;
   60 };
   61 
   62 #
   63 # Send Byte command
   64 #
   65 METHOD int sendb {
   66         device_t dev;
   67         u_char slave;
   68         char byte;
   69 };
   70 
   71 #
   72 # Receive Byte command
   73 #
   74 METHOD int recvb {
   75         device_t dev;
   76         u_char slave;
   77         char *byte;
   78 };
   79 
   80 #
   81 # Write Byte command
   82 #
   83 METHOD int writeb {
   84         device_t dev;
   85         u_char slave;
   86         char cmd;
   87         char byte;
   88 };
   89 
   90 #
   91 # Write Word command
   92 #
   93 METHOD int writew {
   94         device_t dev;
   95         u_char slave;
   96         char cmd;
   97         short word;
   98 };
   99 
  100 #
  101 # Read Byte command
  102 #
  103 METHOD int readb {
  104         device_t dev;
  105         u_char slave;
  106         char cmd;
  107         char *byte;
  108 };
  109 
  110 #
  111 # Read Word command
  112 #
  113 METHOD int readw {
  114         device_t dev;
  115         u_char slave;
  116         char cmd;
  117         short *word;
  118 };
  119 
  120 #
  121 # Process Call command
  122 #
  123 METHOD int pcall {
  124         device_t dev;
  125         u_char slave;
  126         char cmd;
  127         short sdata;
  128         short *rdata;
  129 };
  130 
  131 #
  132 # Block Write command
  133 #
  134 METHOD int bwrite {
  135         device_t dev;
  136         u_char slave;
  137         char cmd;
  138         u_char count;
  139         char *buf;
  140 };
  141 
  142 #
  143 # Block Read command
  144 #
  145 METHOD int bread {
  146         device_t dev;
  147         u_char slave;
  148         char cmd;
  149         u_char *count;
  150         char *buf;
  151 };

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sys/dev/smbus/smbus_if.m