| /* irq.h: FRV IRQ definitions |
| * |
| * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. |
| * Written by David Howells (dhowells@redhat.com) |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| */ |
| |
| #ifndef _ASM_IRQ_H_ |
| #define _ASM_IRQ_H_ |
| |
| |
| /* |
| * the system has an on-CPU PIC and another PIC on the FPGA and other PICs on other peripherals, |
| * so we do some routing in irq-routing.[ch] to reduce the number of false-positives seen by |
| * drivers |
| */ |
| |
| /* this number is used when no interrupt has been assigned */ |
| #define NO_IRQ (-1) |
| |
| #define NR_IRQ_LOG2_ACTIONS_PER_GROUP 5 |
| #define NR_IRQ_ACTIONS_PER_GROUP (1 << NR_IRQ_LOG2_ACTIONS_PER_GROUP) |
| #define NR_IRQ_GROUPS 4 |
| #define NR_IRQS (NR_IRQ_ACTIONS_PER_GROUP * NR_IRQ_GROUPS) |
| |
| /* probe returns a 32-bit IRQ mask:-/ */ |
| #define MIN_PROBE_IRQ (NR_IRQS - 32) |
| |
| static inline int irq_canonicalize(int irq) |
| { |
| return irq; |
| } |
| |
| extern void disable_irq_nosync(unsigned int irq); |
| extern void disable_irq(unsigned int irq); |
| extern void enable_irq(unsigned int irq); |
| |
| |
| #endif /* _ASM_IRQ_H_ */ |