| /* |
| * 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, 2001 by Ralf Baechle |
| */ |
| #ifndef _ASM_IRQ_H |
| #define _ASM_IRQ_H |
| |
| #include <linux/config.h> |
| |
| #define NR_IRQS 64 /* Largest number of ints of all machines. */ |
| |
| #define TIMER_IRQ 0 |
| |
| #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 |
| |
| struct irqaction; |
| extern int i8259_setup_irq(int irq, struct irqaction * new); |
| extern void disable_irq(unsigned int); |
| |
| #ifndef CONFIG_NEW_IRQ |
| #define disable_irq_nosync disable_irq |
| #else |
| extern void disable_irq_nosync(unsigned int); |
| #endif |
| |
| extern void enable_irq(unsigned int); |
| |
| /* Machine specific interrupt initialization */ |
| extern void (*irq_setup)(void); |
| |
| #endif /* _ASM_IRQ_H */ |
