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/* * FILE NAME au1000_gpio.h * * BRIEF MODULE DESCRIPTION * API to Alchemy Au1000 GPIO device. * * Author: MontaVista Software, Inc. <source@mvista.com> * Steve Longerbeam <stevel@mvista.com> * * Copyright 2001 MontaVista Software Inc. * * 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 02139, USA. */ #ifndef __AU1000_GPIO_H #define __AU1000_GPIO_H #include <linux/ioctl.h> #define AU1000GPIO_IOC_MAGIC 'A' #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) #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 |