projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* $Id: irq.h,v 1.32 2000/08/26 02:42:28 anton Exp $ |
| 2 | * irq.h: IRQ registers on the Sparc. | |
| 3 | * | |
| 4 | * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef _SPARC_IRQ_H | |
| 8 | #define _SPARC_IRQ_H | |
| 9 | ||
| 1da177e4 LT |
10 | #include <linux/linkage.h> |
| 11 | #include <linux/threads.h> /* For NR_CPUS */ | |
| 12 | #include <linux/interrupt.h> | |
| 13 | ||
| 14 | #include <asm/system.h> /* For SUN4M_NCPUS */ | |
| 15 | #include <asm/btfixup.h> | |
| 16 | ||
| 1da177e4 LT |
17 | #define NR_IRQS 16 |
| 18 | ||
| 19 | #define irq_canonicalize(irq) (irq) | |
| 20 | ||
| 21 | /* Dave Redman (djhr@tadpole.co.uk) | |
| 22 | * changed these to function pointers.. it saves cycles and will allow | |
| 23 | * the irq dependencies to be split into different files at a later date | |
| 24 | * sun4c_irq.c, sun4m_irq.c etc so we could reduce the kernel size. | |
| 25 | * Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
| 26 | * Changed these to btfixup entities... It saves cycles :) | |
| 27 | */ | |
| 28 | BTFIXUPDEF_CALL(void, disable_irq, unsigned int) | |
| 29 | BTFIXUPDEF_CALL(void, enable_irq, unsigned int) | |
| 1da177e4 LT |
30 | |
| 31 | static inline void disable_irq_nosync(unsigned int irq) | |
| 32 | { | |
| 33 | BTFIXUP_CALL(disable_irq)(irq); | |
| 34 | } | |
| 35 | ||
| 36 | static inline void disable_irq(unsigned int irq) | |
| 37 | { | |
| 38 | BTFIXUP_CALL(disable_irq)(irq); | |
| 39 | } | |
| 40 | ||
| 41 | static inline void enable_irq(unsigned int irq) | |
| 42 | { | |
| 43 | BTFIXUP_CALL(enable_irq)(irq); | |
| 44 | } | |
| 45 | ||
| 40220c1a | 46 | extern int request_fast_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, __const__ char *devname); |
| 1da177e4 | 47 | |
| 1da177e4 | 48 | #endif |