1 /* irq.h: FRV IRQ definitions
3 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
17 * the system has an on-CPU PIC and another PIC on the FPGA and other PICs on other peripherals,
18 * so we do some routing in irq-routing.[ch] to reduce the number of false-positives seen by
22 /* this number is used when no interrupt has been assigned */
25 #define NR_IRQ_LOG2_ACTIONS_PER_GROUP 5
26 #define NR_IRQ_ACTIONS_PER_GROUP (1 << NR_IRQ_LOG2_ACTIONS_PER_GROUP)
27 #define NR_IRQ_GROUPS 4
28 #define NR_IRQS (NR_IRQ_ACTIONS_PER_GROUP * NR_IRQ_GROUPS)
30 /* probe returns a 32-bit IRQ mask:-/ */
31 #define MIN_PROBE_IRQ (NR_IRQS - 32)
33 static inline int irq_canonicalize(int irq)
38 extern void disable_irq_nosync(unsigned int irq);
39 extern void disable_irq(unsigned int irq);
40 extern void enable_irq(unsigned int irq);
43 #endif /* _ASM_IRQ_H_ */