linux/include/asm-arm/irq.h
Russell King a054a81159 [ARM SMP] Add hotplug CPU infrastructure
This patch adds the infrastructure to support hotplug CPU on ARM
platforms.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-11-02 22:24:33 +00:00

52 lines
1.1 KiB
C

#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 *);
extern void migrate_irqs(void);
#endif