| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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__ */ |