diff options
author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-08-05 13:49:09 +0200 |
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committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-08-05 13:49:09 +0200 |
commit | 964d219b6a8a79ea4c8d77b6dcdcbbcda403c392 (patch) | |
tree | e83c41834dec8650362689573eb4e35619d4350f /arch/avr32/mach-at32ap/include/mach/gpio.h | |
parent | 84db8d7cdb072866f5a6c6ac2c9a74c5c48dd22f (diff) |
avr32: Introduce arch/avr32/mach-*/include/mach
Add arch/avr32/mach-*/include to include search path and copy all the
files from include/asm/arch there. The old files will be removed once
ARM does the same change and all common drivers are converted.
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
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 00000000000..0180f584ef0 --- /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 */ |