| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Copyright (C) 1994 by Waldorf GMBH, written by Ralf Baechle |
| * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle |
| * Copyright (C) 1999, 2000 Silicon Graphics, Inc. |
| * Copyright (C) 2001 Kanoj Sarcar |
| */ |
| #ifndef _ASM_IRQ_H |
| #define _ASM_IRQ_H |
| |
| #include <linux/config.h> |
| #include <linux/linkage.h> |
| |
| #define NR_IRQS 128 /* Largest number of ints of all machines. */ |
| |
| #ifdef CONFIG_I8259 |
| static inline int irq_cannonicalize(int irq) |
| { |
| return ((irq == 2) ? 9 : irq); |
| } |
| #else |
| #define irq_cannonicalize(irq) (irq) /* Sane hardware, sane code ... */ |
| #endif |
| |
| extern void disable_irq(unsigned int); |
| extern void disable_irq_nosync(unsigned int); |
| extern void enable_irq(unsigned int); |
| |
| struct pt_regs; |
| extern asmlinkage unsigned int do_IRQ(int irq, struct pt_regs *regs); |
| |
| /* Machine specific interrupt initialization */ |
| extern void (*irq_setup)(void); |
| |
| extern void init_generic_irq(void); |
| |
| #endif /* _ASM_IRQ_H */ |
