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/*
* FILE NAME au1000_gpio . h
*
* BRIEF MODULE DESCRIPTION
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* API to Alchemy Au1xx0 GPIO device .
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*
* Author : MontaVista Software , Inc . < source @ mvista . com >
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* Steve Longerbeam
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*
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* Copyright 2001 , 2008 MontaVista Software Inc .
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*
* This program is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation ; either version 2 of the License , or ( at your
* option ) any later version .
*
* THIS SOFTWARE IS PROVIDED ` ` 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 .
*
* You should have received a copy of the GNU General Public License along
* with this program ; if not , write to the Free Software Foundation , Inc . ,
* 675 Mass Ave , Cambridge , MA 0213 9 , USA .
*/
# ifndef __AU1000_GPIO_H
# define __AU1000_GPIO_H
# include <linux/ioctl.h>
# define AU1000GPIO_IOC_MAGIC 'A'
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# define AU1000GPIO_IN _IOR(AU1000GPIO_IOC_MAGIC, 0, int)
# define AU1000GPIO_SET _IOW(AU1000GPIO_IOC_MAGIC, 1, int)
# define AU1000GPIO_CLEAR _IOW(AU1000GPIO_IOC_MAGIC, 2, int)
# define AU1000GPIO_OUT _IOW(AU1000GPIO_IOC_MAGIC, 3, int)
# define AU1000GPIO_TRISTATE _IOW(AU1000GPIO_IOC_MAGIC, 4, int)
# define AU1000GPIO_AVAIL_MASK _IOR(AU1000GPIO_IOC_MAGIC, 5, int)
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# ifdef __KERNEL__
extern u32 get_au1000_avail_gpio_mask ( void ) ;
extern int au1000gpio_tristate ( u32 data ) ;
extern int au1000gpio_in ( u32 * data ) ;
extern int au1000gpio_set ( u32 data ) ;
extern int au1000gpio_clear ( u32 data ) ;
extern int au1000gpio_out ( u32 data ) ;
# endif
# endif