diff options
Diffstat (limited to 'arch/mips/include/asm/mach-au1x00/au1000_gpio.h')
| -rw-r--r-- | arch/mips/include/asm/mach-au1x00/au1000_gpio.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-au1x00/au1000_gpio.h b/arch/mips/include/asm/mach-au1x00/au1000_gpio.h new file mode 100644 index 00000000000..d8c96fda554 --- /dev/null +++ b/arch/mips/include/asm/mach-au1x00/au1000_gpio.h @@ -0,0 +1,56 @@ +/* + * 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 |