interrupt.h File Reference

#include <linux/kernel.h>
#include <linux/irqflags.h>

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Macros
#define	IRQF_TRIGGER_NONE   0x00000000
#define	IRQF_TRIGGER_RISING   0x00000001
#define	IRQF_TRIGGER_FALLING   0x00000002
#define	IRQF_TRIGGER_HIGH   0x00000004
#define	IRQF_TRIGGER_LOW   0x00000008
#define	IRQF_TRIGGER_MASK
#define	IRQF_SHARED   0x00000080

Typedefs
typedef irqreturn_t(*	irq_handler_t) (int irq, void *dev_id)

Functions
int	request_irq (unsigned int irq, irq_handler_t handler, unsigned long flags, const char *name, void *dev_id)
void	free_irq (unsigned int irq, void *dev_id)
void	enable_irq (unsigned int irq)
void	disable_irq (unsigned int irq)
void	synchronize_irq (unsigned int irq)
int	irq_get_nr_irqs (void)

Macro Definition Documentation

IRQF_SHARED

#define IRQF_SHARED   0x00000080

IRQF_TRIGGER_FALLING

#define IRQF_TRIGGER_FALLING   0x00000002

IRQF_TRIGGER_HIGH

#define IRQF_TRIGGER_HIGH   0x00000004

IRQF_TRIGGER_LOW

#define IRQF_TRIGGER_LOW   0x00000008

IRQF_TRIGGER_MASK

#define IRQF_TRIGGER_MASK

Value:

                            (IRQF_TRIGGER_HIGH | IRQF_TRIGGER_LOW | \
                            IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING)

IRQF_TRIGGER_NONE

#define IRQF_TRIGGER_NONE   0x00000000

IRQF_TRIGGER_RISING

#define IRQF_TRIGGER_RISING   0x00000001

Typedef Documentation

irq_handler_t

typedef irqreturn_t(* irq_handler_t) (int irq, void *dev_id)

Function Documentation

disable_irq()

void disable_irq

(

unsigned int

irq

)

enable_irq()

void enable_irq

(

unsigned int

irq

)

free_irq()

void free_irq	(	unsigned int	irq,
		void *	dev_id
	)

irq_get_nr_irqs()

int irq_get_nr_irqs

(

void

)

request_irq()

int request_irq	(	unsigned int	irq,
		irq_handler_t	handler,
		unsigned long	flags,
		const char *	name,
		void *	dev_id
	)

synchronize_irq()

void synchronize_irq

(

unsigned int

irq

)