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/* $Id: irq.h,v 1.32 2000/08/26 02:42:28 anton Exp $
* irq.h: IRQ registers on the Sparc.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
*/
#ifndef _SPARC_IRQ_H
#define _SPARC_IRQ_H
#include <linux/linkage.h>
#include <linux/threads.h> /* For NR_CPUS */
#include <linux/interrupt.h>
#include <asm/system.h> /* For SUN4M_NCPUS */
#include <asm/btfixup.h>
#define NR_IRQS 16
#define irq_canonicalize(irq) (irq)
/* Dave Redman (djhr@tadpole.co.uk)
* changed these to function pointers.. it saves cycles and will allow
* the irq dependencies to be split into different files at a later date
* sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size.
* Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Changed these to btfixup entities... It saves cycles :)
*/
BTFIXUPDEF_CALL(void, disable_irq, unsigned int)
BTFIXUPDEF_CALL(void, enable_irq, unsigned int)
static inline void disable_irq_nosync(unsigned int irq)
{
BTFIXUP_CALL(disable_irq)(irq);
}
static inline void disable_irq(unsigned int irq)
{
BTFIXUP_CALL(disable_irq)(irq);
}
static inline void enable_irq(unsigned int irq)
{
BTFIXUP_CALL(enable_irq)(irq);
}
extern int request_fast_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, __const__ char *devname);
#endif
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