2010-09-28 03:24:53 +00:00
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/*-
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* Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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2010-09-29 20:53:33 +00:00
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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2010-09-28 03:24:53 +00:00
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*
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* $FreeBSD$
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*
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*/
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#ifndef __GPIOBUS_H__
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#define __GPIOBUS_H__
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#define GPIOBUS_IVAR(d) (struct gpiobus_ivar *) device_get_ivars(d)
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#define GPIOBUS_SOFTC(d) (struct gpiobus_softc *) device_get_softc(d)
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struct gpiobus_softc
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{
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struct mtx sc_mtx; /* bus mutex */
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device_t sc_busdev; /* bus device */
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device_t sc_owner; /* bus owner */
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device_t sc_dev; /* driver device */
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int sc_npins; /* total pins on bus */
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int *sc_pins_mapped; /* mark mapped pins */
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};
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struct gpiobus_ivar
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{
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uint32_t npins; /* pins total */
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uint32_t *pins; /* pins map */
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};
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#endif /* __GPIOBUS_H__ */
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