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/*- * ichsmb_reg.h * * Copyright (c) 2000 Whistle Communications, Inc. * All rights reserved. * * Subject to the following obligations and disclaimer of warranty, use and * redistribution of this software, in source or object code forms, with or * without modifications are expressly permitted by Whistle Communications; * provided, however, that: * 1. Any and all reproductions of the source or object code must include the * copyright notice above and the following disclaimer of warranties; and * 2. No rights are granted, in any manner or form, to use Whistle * Communications, Inc. trademarks, including the mark "WHISTLE * COMMUNICATIONS" on advertising, endorsements, or otherwise except as * such appears in the above copyright notice or in the software. * * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE, * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE. * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * Author: Archie Cobbs <archie@freebsd.org> * * $FreeBSD: release/9.1.0/sys/dev/ichsmb/ichsmb_reg.h 139749 2005-01-06 01:43:34Z imp $ */ #ifndef _DEV_ICHSMB_ICHSMB_REG_H_ #define _DEV_ICHSMB_ICHSMB_REG_H_ /* * Definitions for the SMBus controller logical device which is part of the * Intel 81801AA (ICH) and 81801AB (ICH0) I/O controller hub chips. */ /* * PCI configuration registers */ #define ICH_SMB_BASE 0x20 /* base address register */ #define ICH_HOSTC 0x40 /* host config register */ #define ICH_HOSTC_I2C_EN 0x04 /* enable i2c mode */ #define ICH_HOSTC_SMB_SMI_EN 0x02 /* SMI# instead of irq */ #define ICH_HOSTC_HST_EN 0x01 /* enable host cntrlr */ /* * I/O registers */ #define ICH_HST_STA 0x00 /* host status */ #define ICH_HST_STA_BYTE_DONE_STS 0x80 /* byte send/rec'd */ #define ICH_HST_STA_INUSE_STS 0x40 /* device access mutex */ #define ICH_HST_STA_SMBALERT_STS 0x20 /* SMBALERT# signal */ #define ICH_HST_STA_FAILED 0x10 /* failed bus transaction */ #define ICH_HST_STA_BUS_ERR 0x08 /* transaction collision */ #define ICH_HST_STA_DEV_ERR 0x04 /* misc. smb device error */ #define ICH_HST_STA_INTR 0x02 /* command completed ok */ #define ICH_HST_STA_HOST_BUSY 0x01 /* command is running */ #define ICH_HST_CNT 0x02 /* host control */ #define ICH_HST_CNT_START 0x40 /* start command */ #define ICH_HST_CNT_LAST_BYTE 0x20 /* indicate last byte */ #define ICH_HST_CNT_SMB_CMD_QUICK 0x00 /* command: quick */ #define ICH_HST_CNT_SMB_CMD_BYTE 0x04 /* command: byte */ #define ICH_HST_CNT_SMB_CMD_BYTE_DATA 0x08 /* command: byte data */ #define ICH_HST_CNT_SMB_CMD_WORD_DATA 0x0c /* command: word data */ #define ICH_HST_CNT_SMB_CMD_PROC_CALL 0x10 /* command: process call */ #define ICH_HST_CNT_SMB_CMD_BLOCK 0x14 /* command: block */ #define ICH_HST_CNT_SMB_CMD_I2C_READ 0x18 /* command: i2c read */ #define ICH_HST_CNT_KILL 0x02 /* kill current transaction */ #define ICH_HST_CNT_INTREN 0x01 /* enable interrupt */ #define ICH_HST_CMD 0x03 /* host command */ #define ICH_XMIT_SLVA 0x04 /* transmit slave address */ #define ICH_XMIT_SLVA_READ 0x01 /* direction: read */ #define ICH_XMIT_SLVA_WRITE 0x00 /* direction: write */ #define ICH_D0 0x05 /* host data 0 */ #define ICH_D1 0x06 /* host data 1 */ #define ICH_BLOCK_DB 0x07 /* block data byte */ #endif /* _DEV_ICHSMB_ICHSMB_REG_H_ */