diff options
Diffstat (limited to 'arch/alpha/include')
| -rw-r--r-- | arch/alpha/include/asm/gpio.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/gpio.h b/arch/alpha/include/asm/gpio.h new file mode 100644 index 000000000000..7dc6a6343c06 --- /dev/null +++ b/arch/alpha/include/asm/gpio.h @@ -0,0 +1,55 @@ +/* + * Generic GPIO API implementation for Alpha. + * + * A stright copy of that for PowerPC which was: + * + * Copyright (c) 2007-2008 MontaVista Software, Inc. + * + * Author: Anton Vorontsov <avorontsov@ru.mvista.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. + */ + +#ifndef _ASM_ALPHA_GPIO_H +#define _ASM_ALPHA_GPIO_H + +#include <linux/errno.h> +#include <asm-generic/gpio.h> + +#ifdef CONFIG_GPIOLIB + +/* + * We don't (yet) implement inlined/rapid versions for on-chip gpios. + * Just call gpiolib. + */ +static inline int gpio_get_value(unsigned int gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + +static inline int gpio_to_irq(unsigned int gpio) +{ + return __gpio_to_irq(gpio); +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return -EINVAL; +} + +#endif /* CONFIG_GPIOLIB */ + +#endif /* _ASM_ALPHA_GPIO_H */ |