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57 lines
2.2 KiB
57 lines
2.2 KiB
20 years ago
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/*
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* FILE NAME au1000_gpio.h
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*
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* BRIEF MODULE DESCRIPTION
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* API to Alchemy Au1000 GPIO device.
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*
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* Author: MontaVista Software, Inc. <source@mvista.com>
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* Steve Longerbeam <stevel@mvista.com>
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*
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* Copyright 2001 MontaVista Software Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __AU1000_GPIO_H
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#define __AU1000_GPIO_H
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#include <linux/ioctl.h>
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#define AU1000GPIO_IOC_MAGIC 'A'
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#define AU1000GPIO_IN _IOR (AU1000GPIO_IOC_MAGIC, 0, int)
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#define AU1000GPIO_SET _IOW (AU1000GPIO_IOC_MAGIC, 1, int)
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#define AU1000GPIO_CLEAR _IOW (AU1000GPIO_IOC_MAGIC, 2, int)
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#define AU1000GPIO_OUT _IOW (AU1000GPIO_IOC_MAGIC, 3, int)
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#define AU1000GPIO_TRISTATE _IOW (AU1000GPIO_IOC_MAGIC, 4, int)
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#define AU1000GPIO_AVAIL_MASK _IOR (AU1000GPIO_IOC_MAGIC, 5, int)
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#ifdef __KERNEL__
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extern u32 get_au1000_avail_gpio_mask(void);
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extern int au1000gpio_tristate(u32 data);
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extern int au1000gpio_in(u32 *data);
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extern int au1000gpio_set(u32 data);
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extern int au1000gpio_clear(u32 data);
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extern int au1000gpio_out(u32 data);
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#endif
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#endif
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