linux-sg2042/include/asm-mips/mach-au1x00/au1000_gpio.h

57 lines
2.2 KiB
C

/*
* 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