#- # 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: src/sys/dev/smbus/smbus_if.m,v 1.7.2.1 2006/09/22 19:19:16 jhb Exp $ # $DragonFly: src/sys/bus/smbus/smbus_if.m,v 1.3 2003/11/17 00:54:39 asmodai Exp $ # #include 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; }