| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | #ifndef __ASM_ARM_IRQ_H |
| 3 | #define __ASM_ARM_IRQ_H |
| 4 | |
| Rob Herring | a2be01b | 2012-01-03 15:17:23 -0600 | [diff] [blame] | 5 | #define NR_IRQS_LEGACY 16 |
| 6 | |
| 7 | #ifndef CONFIG_SPARSE_IRQ |
| Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 8 | #include <mach/irqs.h> |
| Rob Herring | a2be01b | 2012-01-03 15:17:23 -0600 | [diff] [blame] | 9 | #else |
| 10 | #define NR_IRQS NR_IRQS_LEGACY |
| 11 | #endif |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | |
| 13 | #ifndef irq_canonicalize |
| 14 | #define irq_canonicalize(i) (i) |
| 15 | #endif |
| 16 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | /* |
| 18 | * Use this value to indicate lack of interrupt |
| 19 | * capability |
| 20 | */ |
| 21 | #ifndef NO_IRQ |
| 22 | #define NO_IRQ ((unsigned int)(-1)) |
| 23 | #endif |
| 24 | |
| Arnaud Patard | 431d2cd | 2006-12-27 22:56:44 +0100 | [diff] [blame] | 25 | #ifndef __ASSEMBLY__ |
| 26 | struct irqaction; |
| viresh kumar | aedceb2 | 2010-03-29 05:29:57 +0100 | [diff] [blame] | 27 | struct pt_regs; |
| Russell King | a054a81 | 2005-11-02 22:24:33 +0000 | [diff] [blame] | 28 | extern void migrate_irqs(void); |
| Russell King | 446616d | 2008-09-06 10:56:27 +0100 | [diff] [blame] | 29 | |
| 30 | extern void asm_do_IRQ(unsigned int, struct pt_regs *); |
| Russell King - ARM Linux | a4841e3 | 2011-07-11 22:25:43 +0100 | [diff] [blame] | 31 | void handle_IRQ(unsigned int, struct pt_regs *); |
| Russell King | 446616d | 2008-09-06 10:56:27 +0100 | [diff] [blame] | 32 | void init_IRQ(void); |
| 33 | |
| Catalin Marinas | f36a3bb1 | 2013-01-18 15:20:06 +0000 | [diff] [blame] | 34 | #ifdef CONFIG_MULTI_IRQ_HANDLER |
| 35 | extern void (*handle_arch_irq)(struct pt_regs *); |
| 36 | extern void set_handle_irq(void (*handle_irq)(struct pt_regs *)); |
| 37 | #endif |
| 38 | |
| Russell King | 96f0e00 | 2014-09-03 23:57:13 +0100 | [diff] [blame] | 39 | #ifdef CONFIG_SMP |
| Chris Metcalf | 9a01c3e | 2016-10-07 17:02:45 -0700 | [diff] [blame] | 40 | extern void arch_trigger_cpumask_backtrace(const cpumask_t *mask, |
| 41 | bool exclude_self); |
| 42 | #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace |
| Russell King | 96f0e00 | 2014-09-03 23:57:13 +0100 | [diff] [blame] | 43 | #endif |
| 44 | |
| Boris Ostrovsky | b4ff838 | 2015-11-20 11:25:04 -0500 | [diff] [blame] | 45 | static inline int nr_legacy_irqs(void) |
| 46 | { |
| 47 | return NR_IRQS_LEGACY; |
| 48 | } |
| 49 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | #endif |
| 51 | |
| Arnaud Patard | 431d2cd | 2006-12-27 22:56:44 +0100 | [diff] [blame] | 52 | #endif |
| 53 | |