2 * Copyright (c) 2011 Fabien Thomas <fabient@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
42 struct resource *wd_res;
44 eventhandler_tag ev_tag;
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
55 #define VIAWD_CONFIG_BASE 0xE8
57 #define VIAWD_MEM_LEN 8
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
66 #define VIAWD_MEM_COUNT 0x04
68 #define VIAWD_MEM_COUNT_MIN 1
69 #define VIAWD_MEM_COUNT_MAX 1023
71 #define VIAWD_TIMEOUT_SHUTDOWN (5 * 60)