diff options
Diffstat (limited to 'sys/dev/gpio/gpiobus_internal.h')
| -rw-r--r-- | sys/dev/gpio/gpiobus_internal.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sys/dev/gpio/gpiobus_internal.h b/sys/dev/gpio/gpiobus_internal.h new file mode 100644 index 000000000000..de3f57663132 --- /dev/null +++ b/sys/dev/gpio/gpiobus_internal.h @@ -0,0 +1,47 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * 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. + * + */ + +#ifndef __GPIOBUS_INTERNAL_H__ +#define __GPIOBUS_INTERNAL_H__ + +/* + * Functions shared between gpiobus and other bus classes that derive from it; + * these should not be called directly by other drivers. + */ +int gpiobus_attach(device_t); +int gpiobus_detach(device_t); +int gpiobus_init_softc(device_t); +int gpiobus_alloc_ivars(struct gpiobus_ivar *); +void gpiobus_free_ivars(struct gpiobus_ivar *); +int gpiobus_read_ivar(device_t, device_t, int, uintptr_t *); +int gpiobus_acquire_pin(device_t, uint32_t); +void gpiobus_release_pin(device_t, uint32_t); + +extern driver_t gpiobus_driver; +#endif |