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File: [Development] / linux-2.6-xfs / include / asm-x86 / i8259.h (download)

Revision 1.1, Mon Dec 3 16:26:37 2007 UTC (9 years, 10 months ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN 

Merge up to 2.6.24-rc3
Merge of 2.6.x-xfs-melb:linux:30183b by kenmcd.

#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__ */