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#-
# Copyright (c) 1998 Nicolas Souchu
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
#include <sys/bus.h>
INTERFACE smbus;
#
# Interpret interrupt
#
METHOD void intr {
device_t dev;
u_char devaddr;
char low;
char high;
int error;
};
#
# smbus callback
#
METHOD int callback {
device_t dev;
int index;
void *data;
};
#
# Quick command
#
METHOD int quick {
device_t dev;
u_char slave;
int how;
};
#
# Send Byte command
#
METHOD int sendb {
device_t dev;
u_char slave;
char byte;
};
#
# Receive Byte command
#
METHOD int recvb {
device_t dev;
u_char slave;
char *byte;
};
#
# Write Byte command
#
METHOD int writeb {
device_t dev;
u_char slave;
char cmd;
char byte;
};
#
# Write Word command
#
METHOD int writew {
device_t dev;
u_char slave;
char cmd;
short word;
};
#
# Read Byte command
#
METHOD int readb {
device_t dev;
u_char slave;
char cmd;
char *byte;
};
#
# Read Word command
#
METHOD int readw {
device_t dev;
u_char slave;
char cmd;
short *word;
};
#
# Process Call command
#
METHOD int pcall {
device_t dev;
u_char slave;
char cmd;
short sdata;
short *rdata;
};
#
# Block Write command
#
METHOD int bwrite {
device_t dev;
u_char slave;
char cmd;
u_char count;
char *buf;
};
#
# Block Read command
#
METHOD int bread {
device_t dev;
u_char slave;
char cmd;
u_char *count;
char *buf;
};
#
# SMB roll-up transaction with flags that also allow it to be
# used for (mostly) i2c pass-through and with 10-bit addresses.
# This function can be used to roll-up all of the above functions.
#
METHOD int trans {
device_t dev;
int slave;
char cmd;
int op;
char *wbuf;
int wcount;
char *rbuf;
int rcount;
int *actualp;
};
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