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/*-
* Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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: release/9.1.0/sys/dev/gpio/gpiobusvar.h 213277 2010-09-29 20:53:33Z gonzo $
*
*/
#ifndef __GPIOBUS_H__
#define __GPIOBUS_H__
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#define GPIOBUS_IVAR(d) (struct gpiobus_ivar *) device_get_ivars(d)
#define GPIOBUS_SOFTC(d) (struct gpiobus_softc *) device_get_softc(d)
struct gpiobus_softc
{
struct mtx sc_mtx; /* bus mutex */
device_t sc_busdev; /* bus device */
device_t sc_owner; /* bus owner */
device_t sc_dev; /* driver device */
int sc_npins; /* total pins on bus */
int *sc_pins_mapped; /* mark mapped pins */
};
struct gpiobus_ivar
{
uint32_t npins; /* pins total */
uint32_t *pins; /* pins map */
};
#endif /* __GPIOBUS_H__ */