1/* $NetBSD: viapcibreg.h,v 1.1 2006/03/17 12:19:49 jmcneill Exp $ */
2
3/*-
4 * Copyright (c) 2005, 2006 Jared D. McNeill <jmcneill@invisible.ca>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions, and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31#ifndef _SYS_ARCH_I386_PCI_VIAPCIBREG_H
32#define _SYS_ARCH_I386_PCI_VIAPCIBREG_H
33
34/* PCI configuration registers for SMB base address; chip dependent */
35#define	SMB_BASE1		0x90
36#define	SMB_BASE2		0x80
37#define	SMB_BASE3		0xd0
38
39#define	SMB_HOST_CONFIG		0xd0 /* Lower word, actually */
40#define	SMB_REVISION		(SMB_HOST_CONFIG + 4)
41
42/* SMBus register offsets; from Linux and FreeBSD */
43#define	SMBHSTSTS		0x00
44#define		SMBHSTSTS_BUSY		0x01
45#define		SMBHSTSTS_INTR		0x02
46#define		SMBHSTSTS_ERROR		0x04
47#define		SMBHSTSTS_COLLISION	0x08
48#define		SMBHSTSTS_FAILED	0x10
49#define	SMBHSLVSTS		0x01
50#define	SMBHSTCNT		0x02
51#define		SMBHSTCNT_QUICK		0x00
52#define		SMBHSTCNT_KILL		0x02
53#define		SMBHSTCNT_SENDRECV	0x04
54#define		SMBHSTCNT_BYTE		0x08
55#define		SMBHSTCNT_WORD		0x0c
56#define		SMBHSTCNT_BLOCK		0x14
57#define		SMBHSTCNT_START		0x40
58#define	SMBHSTCMD		0x03
59#define	SMBHSTADD		0x04
60#define	SMBHSTDAT0		0x05
61#define	SMBHSTDAT1		0x06
62#define	SMBBLKDAT		0x07
63#define	SMBSLVCNT		0x08
64#define	SMBSHDWCMD		0x09
65#define	SMBSLVEVT		0x0a
66#define	SMBSLVDAT		0x0c
67
68#endif /* !_SYS_ARCH_I386_PCI_VIAPCIBREG_H */
69