| /* |
| * Copyright (C) 2006 Atmark Techno, Inc. |
| * |
| * 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. |
| */ |
| |
| #ifndef _ASM_MICROBLAZE_IRQ_H |
| #define _ASM_MICROBLAZE_IRQ_H |
| |
| #define NR_IRQS 32 |
| #include <asm-generic/irq.h> |
| |
| /* This type is the placeholder for a hardware interrupt number. It has to |
| * be big enough to enclose whatever representation is used by a given |
| * platform. |
| */ |
| typedef unsigned long irq_hw_number_t; |
| |
| extern unsigned int nr_irq; |
| |
| #define NO_IRQ (-1) |
| |
| struct pt_regs; |
| extern void do_IRQ(struct pt_regs *regs); |
| |
| /** FIXME - not implement |
| * irq_dispose_mapping - Unmap an interrupt |
| * @virq: linux virq number of the interrupt to unmap |
| */ |
| static inline void irq_dispose_mapping(unsigned int virq) |
| { |
| return; |
| } |
| |
| struct irq_host; |
| |
| /** |
| * irq_create_mapping - Map a hardware interrupt into linux virq space |
| * @host: host owning this hardware interrupt or NULL for default host |
| * @hwirq: hardware irq number in that host space |
| * |
| * Only one mapping per hardware interrupt is permitted. Returns a linux |
| * virq number. |
| * If the sense/trigger is to be specified, set_irq_type() should be called |
| * on the number returned from that call. |
| */ |
| extern unsigned int irq_create_mapping(struct irq_host *host, |
| irq_hw_number_t hwirq); |
| |
| #endif /* _ASM_MICROBLAZE_IRQ_H */ |
