diff options
Diffstat (limited to 'include/asm-x86/i8259.h')
| -rw-r--r-- | include/asm-x86/i8259.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/asm-x86/i8259.h b/include/asm-x86/i8259.h new file mode 100644 index 00000000000..29d8f9a6b3f --- /dev/null +++ b/include/asm-x86/i8259.h @@ -0,0 +1,17 @@ +#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__ */ |