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sys/dev/ow/owll.h
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/*- | |||||
* Copyright (c) 2015 M. Warner Losh <imp@freebsd.org> | |||||
* All rights reserved. | |||||
* | |||||
* 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 */ |