irq.h

来自「SMDK2440 boot code, base on vivi」· C头文件 代码 · 共 44 行

#ifndef __VIVI_IRQ_H__
#define __VIVI_IRQ_H__

#include <config.h>
#include <arch/irq.h>

extern void arch_init_irq(void);

typedef struct {
	void (*mask_ack) (unsigned int irq);
	void (*mask) (unsigned int irq);
	void (*unmask) (unsigned int irq);
	unsigned int (*search) (void);
	void (*clear) (void);
} irq_t;


extern irq_t irq_routines;

#define MAX_IRQ_HANDLERS	(5)

typedef struct {
	unsigned int irq;
	void (*function) (int, void *);
	void *data;
} irq_handler_t;

extern irq_handler_t *irq_handlers;

int request_irq(int irq_num, void (*irq_handler) (int, void *), void *data);
int free_irq(int irq_num);

#ifdef CONFIG_USE_IRQ
void enable_irq(void);
void disable_irq(void);
void disable_irq_and_clear(void);
#else
#define enable_irq()
#define disable_irq()
#define disable_irq_and_clear();
#endif

#endif /* __VIVI_IRQ_H__ */