xref: /freebsd/sys/dev/viawd/viawd.h (revision 732a02b4e77866604a120a275c082bb6221bd2ff)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>
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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _VIAWD_H_
32 #define _VIAWD_H_
33 
34 struct viawd_device {
35 	uint16_t		device;
36 	char			*desc;
37 };
38 
39 struct viawd_softc {
40 	device_t		dev;
41 	device_t		sb_dev;
42 
43 	int			wd_rid;
44 	struct resource		*wd_res;
45 
46 	eventhandler_tag	ev_tag;
47 	unsigned int		timeout;
48 };
49 
50 #define VENDORID_VIA		0x1106
51 #define DEVICEID_VT8251		0x3287
52 #define DEVICEID_CX700		0x8324
53 #define DEVICEID_VX800		0x8353
54 #define DEVICEID_VX855		0x8409
55 #define DEVICEID_VX900		0x8410
56 
57 #define VIAWD_CONFIG_BASE	0xE8
58 
59 #define VIAWD_MEM_LEN		8
60 
61 #define VIAWD_MEM_CTRL		0x00
62 #define VIAWD_MEM_CTRL_TRIGGER	0x000000080
63 #define VIAWD_MEM_CTRL_DISABLE	0x000000008
64 #define VIAWD_MEM_CTRL_POWEROFF	0x000000004
65 #define VIAWD_MEM_CTRL_FIRED	0x000000002
66 #define VIAWD_MEM_CTRL_ENABLE	0x000000001
67 
68 #define VIAWD_MEM_COUNT		0x04
69 
70 #define VIAWD_MEM_COUNT_MIN	1
71 #define VIAWD_MEM_COUNT_MAX	1023
72 
73 #define VIAWD_TIMEOUT_SHUTDOWN	(5 * 60)
74 
75 #endif
76