xref: /netbsd-src/sys/arch/i386/pci/viapcibreg.h (revision f98140016ca11679daed3356bd027e67c651c71a)
1 /* $NetBSD: viapcibreg.h,v 1.2 2008/03/09 17:14:51 joerg 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