include/asm-arm/irq.h

   1 #ifndef __ASM_ARM_IRQ_H
   2 #define __ASM_ARM_IRQ_H
   3
   4 #include <asm/arch/irqs.h>
   5
   6 #ifndef irq_canonicalize
   7 #define irq_canonicalize(i)     (i)
   8 #endif
   9
  10 #ifndef NR_IRQS
  11 #define NR_IRQS 128
  12 #endif
  13
  14 /*
  15  * Use this value to indicate lack of interrupt
  16  * capability
  17  */
  18 #ifndef NO_IRQ
  19 #define NO_IRQ  ((unsigned int)(-1))
  20 #endif
  21
  22 struct irqaction;
  23
  24 #define disable_irq_nosync(i) disable_irq(i)
  25
  26 extern void disable_irq(unsigned int);
  27 extern void enable_irq(unsigned int);
  28
  29 #define __IRQT_FALEDGE  (1 << 0)
  30 #define __IRQT_RISEDGE  (1 << 1)
  31 #define __IRQT_LOWLVL   (1 << 2)
  32 #define __IRQT_HIGHLVL  (1 << 3)
  33
  34 #define IRQT_NOEDGE     (0)
  35 #define IRQT_RISING     (__IRQT_RISEDGE)
  36 #define IRQT_FALLING    (__IRQT_FALEDGE)
  37 #define IRQT_BOTHEDGE   (__IRQT_RISEDGE|__IRQT_FALEDGE)
  38 #define IRQT_LOW        (__IRQT_LOWLVL)
  39 #define IRQT_HIGH       (__IRQT_HIGHLVL)
  40 #define IRQT_PROBE      (1 << 4)
  41
  42 int set_irq_type(unsigned int irq, unsigned int type);
  43 void disable_irq_wake(unsigned int irq);
  44 void enable_irq_wake(unsigned int irq);
  45 int setup_irq(unsigned int, struct irqaction *);
  46
  47 struct irqaction;
  48 struct pt_regs;
  49 int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
  50
  51 #endif
  52