| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * FILE NAME au1000_gpio.h |
| 3 | * |
| 4 | * BRIEF MODULE DESCRIPTION |
| 5 | * API to Alchemy Au1000 GPIO device. |
| 6 | * |
| 7 | * Author: MontaVista Software, Inc. <source@mvista.com> |
| 8 | * Steve Longerbeam <stevel@mvista.com> |
| 9 | * |
| 10 | * Copyright 2001 MontaVista Software Inc. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU General Public License as published by the |
| 14 | * Free Software Foundation; either version 2 of the License, or (at your |
| 15 | * option) any later version. |
| 16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 20 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 23 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 24 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * |
| 28 | * You should have received a copy of the GNU General Public License along |
| 29 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 30 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 31 | */ |
| 32 | |
| 33 | #ifndef __AU1000_GPIO_H |
| 34 | #define __AU1000_GPIO_H |
| 35 | |
| 36 | #include <linux/ioctl.h> |
| 37 | |
| 38 | #define AU1000GPIO_IOC_MAGIC 'A' |
| 39 | |
| 40 | #define AU1000GPIO_IN _IOR (AU1000GPIO_IOC_MAGIC, 0, int) |
| 41 | #define AU1000GPIO_SET _IOW (AU1000GPIO_IOC_MAGIC, 1, int) |
| 42 | #define AU1000GPIO_CLEAR _IOW (AU1000GPIO_IOC_MAGIC, 2, int) |
| 43 | #define AU1000GPIO_OUT _IOW (AU1000GPIO_IOC_MAGIC, 3, int) |
| 44 | #define AU1000GPIO_TRISTATE _IOW (AU1000GPIO_IOC_MAGIC, 4, int) |
| 45 | #define AU1000GPIO_AVAIL_MASK _IOR (AU1000GPIO_IOC_MAGIC, 5, int) |
| 46 | |
| 47 | #ifdef __KERNEL__ |
| 48 | extern u32 get_au1000_avail_gpio_mask(void); |
| 49 | extern int au1000gpio_tristate(u32 data); |
| 50 | extern int au1000gpio_in(u32 *data); |
| 51 | extern int au1000gpio_set(u32 data); |
| 52 | extern int au1000gpio_clear(u32 data); |
| 53 | extern int au1000gpio_out(u32 data); |
| 54 | #endif |
| 55 | |
| 56 | #endif |