diff options
Diffstat (limited to 'arch/arm/mach-sa1100/include/mach/gpio.h')
-rw-r--r-- | arch/arm/mach-sa1100/include/mach/gpio.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-sa1100/include/mach/gpio.h b/arch/arm/mach-sa1100/include/mach/gpio.h new file mode 100644 index 00000000..a38fc4f5 --- /dev/null +++ b/arch/arm/mach-sa1100/include/mach/gpio.h @@ -0,0 +1,54 @@ +/* + * arch/arm/mach-sa1100/include/mach/gpio.h + * + * SA1100 GPIO wrappers for arch-neutral GPIO calls + * + * Written by Philipp Zabel <philipp.zabel@gmail.com> + * + * 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 program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef __ASM_ARCH_SA1100_GPIO_H +#define __ASM_ARCH_SA1100_GPIO_H + +#include <mach/hardware.h> +#include <asm/irq.h> +#include <asm-generic/gpio.h> + +#define __ARM_GPIOLIB_COMPLEX + +static inline int gpio_get_value(unsigned gpio) +{ + if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) + return GPLR & GPIO_GPIO(gpio); + else + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + if (__builtin_constant_p(gpio) && (gpio <= GPIO_MAX)) + if (value) + GPSR = GPIO_GPIO(gpio); + else + GPCR = GPIO_GPIO(gpio); + else + __gpio_set_value(gpio, value); +} + +#define gpio_cansleep __gpio_cansleep + +#endif |