irq.h
上传用户:szlgq88
上传日期:2009-04-28
资源大小:48287k
文件大小:1k
- #ifndef __ASM_ARM_IRQ_H
- #define __ASM_ARM_IRQ_H
- #include <asm/arch/irqs.h>
- #ifndef irq_canonicalize
- #define irq_canonicalize(i) (i)
- #endif
- #ifndef NR_IRQS
- #define NR_IRQS 128
- #endif
- /*
- * Use this value to indicate lack of interrupt
- * capability
- */
- #ifndef NO_IRQ
- #define NO_IRQ ((unsigned int)(-1))
- #endif
- struct irqaction;
- extern void disable_irq_nosync(unsigned int);
- extern void disable_irq(unsigned int);
- extern void enable_irq(unsigned int);
- #define __IRQT_FALEDGE (1 << 0)
- #define __IRQT_RISEDGE (1 << 1)
- #define __IRQT_LOWLVL (1 << 2)
- #define __IRQT_HIGHLVL (1 << 3)
- #define IRQT_NOEDGE (0)
- #define IRQT_RISING (__IRQT_RISEDGE)
- #define IRQT_FALLING (__IRQT_FALEDGE)
- #define IRQT_BOTHEDGE (__IRQT_RISEDGE|__IRQT_FALEDGE)
- #define IRQT_LOW (__IRQT_LOWLVL)
- #define IRQT_HIGH (__IRQT_HIGHLVL)
- #define IRQT_PROBE (1 << 4)
- int set_irq_type(unsigned int irq, unsigned int type);
- void disable_irq_wake(unsigned int irq);
- void enable_irq_wake(unsigned int irq);
- int setup_irq(unsigned int, struct irqaction *);
- struct irqaction;
- struct pt_regs;
- int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
- #endif