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1da177e4 LT |
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__ */ |