i8259.h 505 Bytes
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#ifndef __ASM_I8259_H__
#define __ASM_I8259_H__

extern unsigned int cached_irq_mask;

#define __byte(x,y) 		(((unsigned char *) &(y))[x])
#define cached_master_mask	(__byte(0, cached_irq_mask))
#define cached_slave_mask	(__byte(1, cached_irq_mask))

extern spinlock_t i8259A_lock;

extern void init_8259A(int auto_eoi);
extern void enable_8259A_irq(unsigned int irq);
extern void disable_8259A_irq(unsigned int irq);
extern unsigned int startup_8259A_irq(unsigned int irq);

#endif	/* __ASM_I8259_H__ */