include/asm-arm26/irq.h

   1 #ifndef __ASM_ARM_IRQ_H
   2 #define __ASM_ARM_IRQ_H
   3
   4 #include <asm/sysirq.h>
   5
   6 #ifndef NR_IRQS
   7 #define NR_IRQS 128
   8 #endif
   9
  10
  11 /* JMA 18.05.02 Copied off arch/arm/irq.h */
  12 #ifndef irq_canonicalize
  13 #define irq_canonicalize(i)     (i)
  14 #endif
  15
  16
  17 /*
  18  * Use this value to indicate lack of interrupt
  19  * capability
  20  */
  21 #ifndef NO_IRQ
  22 #define NO_IRQ  ((unsigned int)(-1))
  23 #endif
  24
  25 struct irqaction;
  26
  27 #define disable_irq_nosync(i) disable_irq(i)
  28
  29 extern void disable_irq(unsigned int);
  30 extern void enable_irq(unsigned int);
  31
  32 #define __IRQT_FALEDGE  (1 << 0)
  33 #define __IRQT_RISEDGE  (1 << 1)
  34 #define __IRQT_LOWLVL   (1 << 2)
  35 #define __IRQT_HIGHLVL  (1 << 3)
  36
  37 #define IRQT_NOEDGE     (0)
  38 #define IRQT_RISING     (__IRQT_RISEDGE)
  39 #define IRQT_FALLING    (__IRQT_FALEDGE)
  40 #define IRQT_BOTHEDGE   (__IRQT_RISEDGE|__IRQT_FALEDGE)
  41 #define IRQT_LOW        (__IRQT_LOWLVL)
  42 #define IRQT_HIGH       (__IRQT_HIGHLVL)
  43 #define IRQT_PROBE      (1 << 4)
  44
  45 int set_irq_type(unsigned int irq, unsigned int type);
  46
  47 int setup_irq(unsigned int, struct irqaction *);
  48 struct pt_regs;
  49 int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
  50
  51 #endif
  52