2 * Copyright (c) 2015 M. Warner Losh <imp@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 unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #define DEV_OW_OWLL_H 1
33 * Generalized parameters for the mode of operation in the bus. All units
34 * are in nanoseconds, and assume that all timings are < 4s.
35 * See owll_if.m for timings, and refer to AN937 for details.
39 uint32_t t_slot; /* Slot time */
40 uint32_t t_low0; /* Time low for a 0 bit. */
41 uint32_t t_low1; /* Time low for a 1 bit. */
42 uint32_t t_lowr; /* Time slave holds line down per bit */
43 uint32_t t_release; /* Time after t_rdv to float high */
44 uint32_t t_rec; /* After sample before M low */
45 uint32_t t_rdv; /* Time to poll the bit after M low */
46 uint32_t t_rstl; /* Time M low on reset */
47 uint32_t t_rsth; /* Time M high on reset */
48 uint32_t t_pdl; /* Time S low on reset */
49 uint32_t t_pdh; /* Time R high after M low on reset */
54 #endif /* DEV_OW_OWLL_H */