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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 09:55:16 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 09:55:16 +0100 |
commit | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (patch) | |
tree | 3d053e76542ad4d20bd83ad35c13eabff97003ab /arch/avr32/mach-at32ap/include/mach/gpio.h | |
parent | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (diff) | |
parent | 3663b736a5083b3bce74520b637f630f01f66a7f (diff) | |
download | op-kernel-dev-a1b81a84fff05dbfef45b7012c26e1fee9973e5d.zip op-kernel-dev-a1b81a84fff05dbfef45b7012c26e1fee9973e5d.tar.gz |
Merge branch 'header-move' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Diffstat (limited to 'arch/avr32/mach-at32ap/include/mach/gpio.h')
-rw-r--r-- | arch/avr32/mach-at32ap/include/mach/gpio.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/include/mach/gpio.h b/arch/avr32/mach-at32ap/include/mach/gpio.h new file mode 100644 index 0000000..0180f58 --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/gpio.h @@ -0,0 +1,45 @@ +#ifndef __ASM_AVR32_ARCH_GPIO_H +#define __ASM_AVR32_ARCH_GPIO_H + +#include <linux/compiler.h> +#include <asm/irq.h> + + +/* Some GPIO chips can manage IRQs; some can't. The exact numbers can + * be changed if needed, but for the moment they're not configurable. + */ +#define ARCH_NR_GPIOS (NR_GPIO_IRQS + 2 * 32) + + +/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */ +#include <asm-generic/gpio.h> + +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) +{ + if (gpio < NR_GPIO_IRQS) + return gpio + GPIO_IRQ_BASE; + return -EINVAL; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return irq - GPIO_IRQ_BASE; +} + +#endif /* __ASM_AVR32_ARCH_GPIO_H */ |