include/asm-x86/i8259.h

   1 #ifndef __ASM_I8259_H__
   2 #define __ASM_I8259_H__
   3
   4 extern unsigned int cached_irq_mask;
   5
   6 #define __byte(x,y)             (((unsigned char *) &(y))[x])
   7 #define cached_master_mask      (__byte(0, cached_irq_mask))
   8 #define cached_slave_mask       (__byte(1, cached_irq_mask))
   9
  10 extern spinlock_t i8259A_lock;
  11
  12 extern void init_8259A(int auto_eoi);
  13 extern void enable_8259A_irq(unsigned int irq);
  14 extern void disable_8259A_irq(unsigned int irq);
  15 extern unsigned int startup_8259A_irq(unsigned int irq);
  16
  17 #endif  /* __ASM_I8259_H__ */