projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| eedbdab9 MS |
1 | /* |
| 2 | * Copyright (C) 2006 Atmark Techno, Inc. | |
| 3 | * | |
| 4 | * This file is subject to the terms and conditions of the GNU General Public | |
| 5 | * License. See the file "COPYING" in the main directory of this archive | |
| 6 | * for more details. | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _ASM_MICROBLAZE_IRQ_H | |
| 10 | #define _ASM_MICROBLAZE_IRQ_H | |
| 11 | ||
| 12 | #define NR_IRQS 32 | |
| 0a584583 | 13 | #include <asm-generic/irq.h> |
| eedbdab9 MS |
14 | |
| 15 | #include <linux/interrupt.h> | |
| 16 | ||
| c6ba01a4 MS |
17 | /* This type is the placeholder for a hardware interrupt number. It has to |
| 18 | * be big enough to enclose whatever representation is used by a given | |
| 19 | * platform. | |
| 20 | */ | |
| 21 | typedef unsigned long irq_hw_number_t; | |
| 22 | ||
| eedbdab9 MS |
23 | extern unsigned int nr_irq; |
| 24 | ||
| 25 | #define NO_IRQ (-1) | |
| 26 | ||
| eedbdab9 MS |
27 | struct pt_regs; |
| 28 | extern void do_IRQ(struct pt_regs *regs); | |
| 29 | ||
| eedbdab9 MS |
30 | /** FIXME - not implement |
| 31 | * irq_dispose_mapping - Unmap an interrupt | |
| 32 | * @virq: linux virq number of the interrupt to unmap | |
| 33 | */ | |
| 34 | static inline void irq_dispose_mapping(unsigned int virq) | |
| 35 | { | |
| 36 | return; | |
| 37 | } | |
| 38 | ||
| c6ba01a4 MS |
39 | struct irq_host; |
| 40 | ||
| 41 | /** | |
| 42 | * irq_create_mapping - Map a hardware interrupt into linux virq space | |
| 43 | * @host: host owning this hardware interrupt or NULL for default host | |
| 44 | * @hwirq: hardware irq number in that host space | |
| 45 | * | |
| 46 | * Only one mapping per hardware interrupt is permitted. Returns a linux | |
| 47 | * virq number. | |
| 48 | * If the sense/trigger is to be specified, set_irq_type() should be called | |
| 49 | * on the number returned from that call. | |
| 50 | */ | |
| 51 | extern unsigned int irq_create_mapping(struct irq_host *host, | |
| 52 | irq_hw_number_t hwirq); | |
| 53 | ||
| eedbdab9 | 54 | #endif /* _ASM_MICROBLAZE_IRQ_H */ |