MIPS: Alchemy: Remove unused au1000_gpio.h header

/*

 * FILE NAME au1000_gpio.h

 *

 * BRIEF MODULE DESCRIPTION

 *	API to Alchemy Au1xx0 GPIO device.

 *

 *  Author: MontaVista Software, Inc.  <source@mvista.com>

 *          Steve Longerbeam

 *

 * Copyright 2001, 2008 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