/*- * Copyright (c) 2015 M. Warner Losh <imp@FreeBSD.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef DEV_OW_OWLL_H #define DEV_OW_OWLL_H 1 /* * Generalized parameters for the mode of operation in the bus. All units * are in nanoseconds, and assume that all timings are < 4s. * See owll_if.m for timings, and refer to AN937 for details. */ struct ow_timing { uint32_t t_slot; /* Slot time */ uint32_t t_low0; /* Time low for a 0 bit. */ uint32_t t_low1; /* Time low for a 1 bit. */ uint32_t t_lowr; /* Time slave holds line down per bit */ uint32_t t_release; /* Time after t_rdv to float high */ uint32_t t_rec; /* After sample before M low */ uint32_t t_rdv; /* Time to poll the bit after M low */ uint32_t t_rstl; /* Time M low on reset */ uint32_t t_rsth; /* Time M high on reset */ uint32_t t_pdl; /* Time S low on reset */ uint32_t t_pdh; /* Time R high after M low on reset */ }; #include "owll_if.h" #endif /* DEV_OW_OWLL_H */ |