/*- * 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/smbconf.h,v 1.7.14.1 2006/09/22 19:19:16 jhb Exp $ * $DragonFly: src/sys/bus/smbus/smbconf.h,v 1.4 2003/11/14 21:46:18 daver 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 0x4 #define SMB_ECOLLI 0x8 #define SMB_EABORT 0x10 #define SMB_ETIMEOUT 0x20 #define SMB_EBUSY 0x40 #define SMB_EINVAL 0x100 /* * How Quick command is executed */ #define SMB_QWRITE 0x0 #define SMB_QREAD 0x1 /* * smbus transaction op with pass-thru capabilities * * This smbus function is capable of doing a smbus command transaction * (read or write), and can be flagged to not issue the 'cmd' and/or * issue or expect a count field as well as flagged for chaining (no STOP), * which gives it an i2c pass-through capability. * * NOSTOP- Caller chaining transactions, do not issue STOP * NOCMD- Do not transmit the command field * NOCNT- Do not transmit (wr) or expect (rd) the count field */ #define SMB_TRANS_NOSTOP 0x0001 /* do not send STOP at end */ #define SMB_TRANS_NOCMD 0x0002 /* ignore cmd field (do not tx) */ #define SMB_TRANS_NOCNT 0x0004 /* do not tx or rx count field */ #define SMB_TRANS_7BIT 0x0008 /* change address mode to 7-bit */ #define SMB_TRANS_10BIT 0x0010 /* change address mode to 10-bit */ #define SMB_TRANS_NOREPORT 0x0020 /* do not report errors */ /* * ivars codes */ #ifdef _KERNEL #define SMBUS_IVAR_ADDR 0x1 /* slave address of the device */ int smbus_request_bus(device_t, device_t, int); int smbus_release_bus(device_t, device_t); int smbus_error(int error); void smbus_intr(device_t, u_char, char low, char high, int error); u_char smbus_get_addr(device_t); extern driver_t smbus_driver; extern devclass_t smbus_devclass; #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)) #define smbus_trans(bus,slave,cmd,op,wbuf,wcount,rbuf,rcount,actualp) \ (SMBUS_TRANS(device_get_parent(bus), slave, cmd, op, \ wbuf, wcount, rbuf, rcount, actualp)) #define SMBUS_MODVER 1 #define SMBUS_MINVER 1 #define SMBUS_MAXVER 1 #define SMBUS_PREFVER SMBUS_MODVER #endif #endif