57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
|
/*-
|
||
|
|
* 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 ``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 __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__ */
|