| /* |
| * 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 |