From 9226f07233eda31df6c5d64dbf5b06c50e0e7205 Mon Sep 17 00:00:00 2001 From: archie Date: Fri, 6 Oct 2000 00:09:46 +0000 Subject: Driver for the Intel 82801AA (ICH) SMBus controller and compatibles. Obtained from: Whistle source tree --- sys/dev/ichsmb/ichsmb_reg.h | 92 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 sys/dev/ichsmb/ichsmb_reg.h (limited to 'sys/dev/ichsmb/ichsmb_reg.h') diff --git a/sys/dev/ichsmb/ichsmb_reg.h b/sys/dev/ichsmb/ichsmb_reg.h new file mode 100644 index 0000000..ca0577c --- /dev/null +++ b/sys/dev/ichsmb/ichsmb_reg.h @@ -0,0 +1,92 @@ + +/* + * 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 + * + * $FreeBSD$ + */ + +#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_ */ + -- cgit v1.1