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Linux Cross Reference
Linux/include/asm-mips64/irq.h

Version: ~ [ 2.4.0 ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~ 
  1 /*
  2  * This file is subject to the terms and conditions of the GNU General Public
  3  * License.  See the file "COPYING" in the main directory of this archive
  4  * for more details.
  5  *
  6  * Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle
  7  * Copyright (C) 1995, 96, 97, 98, 1999, 2000 by Ralf Baechle
  8  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
  9  */
 10 #ifndef _ASM_IRQ_H
 11 #define _ASM_IRQ_H
 12 
 13 #include <linux/config.h>
 14 
 15 #define NR_IRQS 256
 16 
 17 #define TIMER_IRQ 0
 18 
 19 #ifdef CONFIG_I8259
 20 static inline int irq_cannonicalize(int irq)
 21 {
 22         return ((irq == 2) ? 9 : irq);
 23 }
 24 #else
 25 #define irq_cannonicalize(irq) (irq)    /* Sane hardware, sane code ... */
 26 #endif
 27 
 28 
 29 struct irqaction;
 30 extern int i8259_setup_irq(int irq, struct irqaction * new);
 31 extern void disable_irq(unsigned int);
 32 extern void enable_irq(unsigned int);
 33 
 34 /* Machine specific interrupt initialization  */
 35 extern void (*irq_setup)(void);
 36 
 37 #endif /* _ASM_IRQ_H */
 38
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