xref: /freebsd/sys/dev/viawd/viawd.h (revision 640235e2c2ba32947f7c59d168437ffa1280f1e6)
1 /*-
2  * Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _VIAWD_H_
30 #define _VIAWD_H_
31 
32 struct viawd_device {
33 	uint16_t		device;
34 	char			*desc;
35 };
36 
37 struct viawd_softc {
38 	device_t		dev;
39 	device_t		sb_dev;
40 
41 	int			wd_rid;
42 	struct resource		*wd_res;
43 
44 	eventhandler_tag	ev_tag;
45 	unsigned int		timeout;
46 };
47 
48 #define VENDORID_VIA		0x1106
49 #define DEVICEID_VT8251		0x3287
50 #define DEVICEID_CX700		0x8324
51 #define DEVICEID_VX800		0x8353
52 #define DEVICEID_VX855		0x8409
53 #define DEVICEID_VX900		0x8410
54 
55 #define VIAWD_CONFIG_BASE	0xE8
56 
57 #define VIAWD_MEM_LEN		8
58 
59 #define VIAWD_MEM_CTRL		0x00
60 #define VIAWD_MEM_CTRL_TRIGGER	0x000000080
61 #define VIAWD_MEM_CTRL_DISABLE	0x000000008
62 #define VIAWD_MEM_CTRL_POWEROFF	0x000000004
63 #define VIAWD_MEM_CTRL_FIRED	0x000000002
64 #define VIAWD_MEM_CTRL_ENABLE	0x000000001
65 
66 #define VIAWD_MEM_COUNT		0x04
67 
68 #define VIAWD_MEM_COUNT_MIN	1
69 #define VIAWD_MEM_COUNT_MAX	1023
70 
71 #define VIAWD_TIMEOUT_SHUTDOWN	(5 * 60)
72 
73 #endif
74