2 * Copyright (c) 2015 M. Warner Losh <imp@FreeBSD.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice unmodified, this list of conditions, and the following
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 ``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.
29 #define DEV_OW_OWLL_H 1
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.
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 */
53 #endif /* DEV_OW_OWLL_H */