diff options
| author | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-02-05 16:57:13 +0100 |
|---|---|---|
| committer | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-02-09 15:01:58 +0100 |
| commit | 6a4e5227a33f60f918b30cf2001fb0bb259d9396 (patch) | |
| tree | a3e8d130fdfb88710872afc9908e1e78644b300f /include/asm-avr32/arch-at32ap/gpio.h | |
| parent | 10b50b7dd2716b944299d45452d0875dbeb5f0c2 (diff) | |
[AVR32] GPIO API implementation
Arch-neutral GPIO calls for AVR32. GPIO IRQ support written by
David Brownell.
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Diffstat (limited to 'include/asm-avr32/arch-at32ap/gpio.h')
| -rw-r--r-- | include/asm-avr32/arch-at32ap/gpio.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-avr32/arch-at32ap/gpio.h b/include/asm-avr32/arch-at32ap/gpio.h new file mode 100644 index 00000000000..fcb756bdaa8 --- /dev/null +++ b/include/asm-avr32/arch-at32ap/gpio.h @@ -0,0 +1,27 @@ +#ifndef __ASM_AVR32_ARCH_GPIO_H +#define __ASM_AVR32_ARCH_GPIO_H + +#include <linux/compiler.h> +#include <asm/irq.h> + + +/* Arch-neutral GPIO API */ +int __must_check gpio_request(unsigned int gpio, const char *label); +void gpio_free(unsigned int gpio); + +int gpio_direction_input(unsigned int gpio); +int gpio_direction_output(unsigned int gpio); +int gpio_get_value(unsigned int gpio); +void gpio_set_value(unsigned int gpio, int value); + +static inline int gpio_to_irq(unsigned int gpio) +{ + return gpio + GPIO_IRQ_BASE; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return irq - GPIO_IRQ_BASE; +} + +#endif /* __ASM_AVR32_ARCH_GPIO_H */ |