1/*-
2 * Copyright (c) 2015 M. Warner Losh <imp@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice unmodified, this list of conditions, and the following
9 *    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 ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD$
26 */
27
28#ifndef DEV_OW_OWLL_H
29#define DEV_OW_OWLL_H 1
30
31/*
32 * Generalized parameters for the mode of operation in the bus. All units
33 * are in nanoseconds, and assume that all timings are < 4s.
34 * See owll_if.m for timings, and refer to AN937 for details.
35 */
36struct ow_timing
37{
38	uint32_t	t_slot;		/* Slot time */
39	uint32_t	t_low0;		/* Time low for a 0 bit. */
40	uint32_t	t_low1;		/* Time low for a 1 bit. */
41	uint32_t	t_lowr;		/* Time slave holds line down per bit */
42	uint32_t	t_release;	/* Time after t_rdv to float high */
43	uint32_t	t_rec;		/* After sample before M low */
44	uint32_t	t_rdv;		/* Time to poll the bit after M low */
45	uint32_t	t_rstl;		/* Time M low on reset */
46	uint32_t	t_rsth;		/* Time M high on reset */
47	uint32_t	t_pdl;		/* Time S low on reset */
48	uint32_t	t_pdh;		/* Time R high after M low on reset */
49};
50
51#include "owll_if.h"
52
53#endif /* DEV_OW_OWLL_H */
54