1 /*- 2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 * 28 */ 29 30 #ifndef __GPIOBUS_H__ 31 #define __GPIOBUS_H__ 32 33 #include <sys/param.h> 34 #include <sys/lock.h> 35 #include <sys/mutex.h> 36 37 #define GPIOBUS_IVAR(d) (struct gpiobus_ivar *) device_get_ivars(d) 38 #define GPIOBUS_SOFTC(d) (struct gpiobus_softc *) device_get_softc(d) 39 40 struct gpiobus_softc 41 { 42 struct mtx sc_mtx; /* bus mutex */ 43 device_t sc_busdev; /* bus device */ 44 device_t sc_owner; /* bus owner */ 45 device_t sc_dev; /* driver device */ 46 int sc_npins; /* total pins on bus */ 47 int *sc_pins_mapped; /* mark mapped pins */ 48 }; 49 50 51 struct gpiobus_ivar 52 { 53 uint32_t npins; /* pins total */ 54 uint32_t *pins; /* pins map */ 55 }; 56 57 #endif /* __GPIOBUS_H__ */ 58