/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright 2008 by Nathan Whitehorn. 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. */ #ifndef _MACIO_MACGPIOVAR_H_ #define _MACIO_MACGPIOVAR_H_ /* relative offsets into gpio space */ #define GPIO_EXTINT_BASE 0x08 #define GPIO_BASE 0x1a #define GPIO_EXTINT_COUNT 0x12 #define GPIO_COUNT 0x11 #define GPIO_LEVELS_0 0x50 #define GPIO_LEVELS_1 0x54 /* gpio bit definitions */ #define GPIO_DATA 0x01 /* GPIO data */ #define GPIO_LEVEL_RO 0x02 /* read-only level on pin */ #define GPIO_DDR_INPUT 0x00 /* use for input */ #define GPIO_DDR_OUTPUT 0x04 /* use for output */ uint8_t macgpio_read(device_t dev); void macgpio_write(device_t dev,uint8_t); #endif /* _MACIO_MACGPIOVAR_H_ */