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46 lines
939 B
C
46 lines
939 B
C
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#ifndef __ASM_AVR32_ARCH_GPIO_H
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#define __ASM_AVR32_ARCH_GPIO_H
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#include <linux/compiler.h>
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#include <asm/irq.h>
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/* Some GPIO chips can manage IRQs; some can't. The exact numbers can
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* be changed if needed, but for the moment they're not configurable.
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*/
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#define ARCH_NR_GPIOS (NR_GPIO_IRQS + 2 * 32)
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/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */
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#include <asm-generic/gpio.h>
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static inline int gpio_get_value(unsigned int gpio)
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{
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return __gpio_get_value(gpio);
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}
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static inline void gpio_set_value(unsigned int gpio, int value)
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{
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__gpio_set_value(gpio, value);
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}
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static inline int gpio_cansleep(unsigned int gpio)
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{
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return __gpio_cansleep(gpio);
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}
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static inline int gpio_to_irq(unsigned int gpio)
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{
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if (gpio < NR_GPIO_IRQS)
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return gpio + GPIO_IRQ_BASE;
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return -EINVAL;
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}
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static inline int irq_to_gpio(unsigned int irq)
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{
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return irq - GPIO_IRQ_BASE;
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}
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#endif /* __ASM_AVR32_ARCH_GPIO_H */
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