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/*-
* 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.
*
* $FreeBSD$
*/
#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_ */
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