1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef __GPIOBUS_INTERNAL_H__ 31 #define __GPIOBUS_INTERNAL_H__ 32 33 /* 34 * Functions shared between gpiobus and other bus classes that derive from it; 35 * these should not be called directly by other drivers. 36 */ 37 int gpiobus_attach(device_t); 38 int gpiobus_detach(device_t); 39 int gpiobus_init_softc(device_t); 40 int gpiobus_alloc_ivars(struct gpiobus_ivar *); 41 void gpiobus_free_ivars(struct gpiobus_ivar *); 42 int gpiobus_read_ivar(device_t, device_t, int, uintptr_t *); 43 int gpiobus_acquire_pin(device_t, uint32_t); 44 void gpiobus_release_pin(device_t, uint32_t); 45 int gpiobus_child_location(device_t, device_t, struct sbuf *); 46 device_t gpiobus_add_child_common(device_t, u_int, const char *, int, size_t); 47 int gpiobus_add_gpioc(device_t); 48 49 extern driver_t gpiobus_driver; 50 #endif 51