/*- * 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. * * $Id: smbconf.h,v 1.1.1.1 1998/09/03 20:52:54 nsouch Exp $ */ #ifndef __SMBONF_H #define __SMBONF_H #include #define SMBPRI PZERO+8 /* XXX sleep/wakeup queue priority */ #define n(flags) (~(flags) & (flags)) /* * How tsleep() is called in smb_request_bus(). */ #define SMB_DONTWAIT 0 #define SMB_NOINTR 0 #define SMB_WAIT 0x1 #define SMB_INTR 0x2 /* * callback index */ #define SMB_REQUEST_BUS 0x1 #define SMB_RELEASE_BUS 0x2 /* * SMB bus errors */ #define SMB_ENOERR 0x0 #define SMB_EBUSERR 0x1 #define SMB_ENOTSUPP 0x2 #define SMB_ENOACK 0x3 /* * How Quick command is executed */ #define SMB_QWRITE 0x0 #define SMB_QREAD 0x1 /* * ivars codes */ #define SMBUS_IVAR_ADDR 0x1 /* I2C address of the device */ extern int smbus_request_bus(device_t, device_t, int); extern int smbus_release_bus(device_t, device_t); extern device_t smbus_alloc_bus(device_t); extern void smbus_intr(device_t, u_char, char low, char high, int error); extern u_char smbus_get_addr(device_t); #define smbus_quick(bus,slave,how) \ (SMBUS_QUICK(device_get_parent(bus), slave, how)) #define smbus_sendb(bus,slave,byte) \ (SMBUS_SENDB(device_get_parent(bus), slave, byte)) #define smbus_recvb(bus,slave,byte) \ (SMBUS_RECVB(device_get_parent(bus), slave, byte)) #define smbus_writeb(bus,slave,cmd,byte) \ (SMBUS_WRITEB(device_get_parent(bus), slave, cmd, byte)) #define smbus_writew(bus,slave,cmd,word) \ (SMBUS_WRITEW(device_get_parent(bus), slave, cmd, word)) #define smbus_readb(bus,slave,cmd,byte) \ (SMBUS_READB(device_get_parent(bus), slave, cmd, byte)) #define smbus_readw(bus,slave,cmd,word) \ (SMBUS_READW(device_get_parent(bus), slave, cmd, word)) #define smbus_pcall(bus,slave,cmd,sdata,rdata) \ (SMBUS_PCALL(device_get_parent(bus), slave, cmd, sdata, rdata)) #define smbus_bwrite(bus,slave,cmd,count,buf) \ (SMBUS_BWRITE(device_get_parent(bus), slave, cmd, count, buf)) #define smbus_bread(bus,slave,cmd,count,buf) \ (SMBUS_BREAD(device_get_parent(bus), slave, cmd, count, buf)) #endif