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File: [Development] / linux-2.6-xfs / include / asm-avr32 / arch-at32ap / Attic / gpio.h (download)

Revision 1.3, Wed Jul 4 15:54:07 2007 UTC (10 years, 3 months ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.2: +2 -0 lines 

Merge up to 2.6.22-rc7
Merge of 2.6.x-xfs-melb:linux:29062a by kenmcd.

#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 value);
int gpio_get_value(unsigned int gpio);
void gpio_set_value(unsigned int gpio, int value);

#include <asm-generic/gpio.h>		/* cansleep wrappers */

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 */