1#ifndef __ASM_AVR32_ARCH_GPIO_H
2#define __ASM_AVR32_ARCH_GPIO_H
3
4#include <linux/compiler.h>
5#include <asm/irq.h>
6
7
8/* Some GPIO chips can manage IRQs; some can't.  The exact numbers can
9 * be changed if needed, but for the moment they're not configurable.
10 */
11#define ARCH_NR_GPIOS	(NR_GPIO_IRQS + 2 * 32)
12
13
14/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */
15#include <asm-generic/gpio.h>
16
17static inline int gpio_get_value(unsigned int gpio)
18{
19	return __gpio_get_value(gpio);
20}
21
22static inline void gpio_set_value(unsigned int gpio, int value)
23{
24	__gpio_set_value(gpio, value);
25}
26
27static inline int gpio_cansleep(unsigned int gpio)
28{
29	return __gpio_cansleep(gpio);
30}
31
32
33static inline int gpio_to_irq(unsigned int gpio)
34{
35	if (gpio < NR_GPIO_IRQS)
36		return gpio + GPIO_IRQ_BASE;
37	return -EINVAL;
38}
39
40static inline int irq_to_gpio(unsigned int irq)
41{
42	return irq - GPIO_IRQ_BASE;
43}
44
45#endif /* __ASM_AVR32_ARCH_GPIO_H */
46