1 /*- 2 * Copyright (c) 2011 Fabien Thomas <fthomas@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 bus_space_tag_t wd_bst; 44 bus_space_handle_t wd_bsh; 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