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Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_SH_IRQ_H
3#define __ASM_SH_IRQ_H
4
5#include <linux/cpumask.h>
6#include <asm/machvec.h>
7
8/*
9 * This is a special IRQ number for indicating that no IRQ has been
10 * triggered and to simply ignore the IRQ dispatch. This is a special
11 * case that can happen with IRQ auto-distribution when multiple CPUs
12 * are woken up and signalled in parallel.
13 */
14#define NO_IRQ_IGNORE ((unsigned int)-1)
15
16/*
17 * Simple Mask Register Support
18 */
19extern void make_maskreg_irq(unsigned int irq);
20extern unsigned short *irq_mask_register;
21
22/*
23 * PINT IRQs
24 */
25void init_IRQ_pint(void);
26void make_imask_irq(unsigned int irq);
27
28static inline int generic_irq_demux(int irq)
29{
30 return irq;
31}
32
33#define irq_demux(irq) sh_mv.mv_irq_demux(irq)
34
35void init_IRQ(void);
36void migrate_irqs(void);
37
38asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
39
40#ifdef CONFIG_IRQSTACKS
41extern void irq_ctx_init(int cpu);
42extern void irq_ctx_exit(int cpu);
43#else
44# define irq_ctx_init(cpu) do { } while (0)
45# define irq_ctx_exit(cpu) do { } while (0)
46#endif
47
48#ifdef CONFIG_INTC_BALANCING
49extern unsigned int irq_lookup(unsigned int irq);
50extern void irq_finish(unsigned int irq);
51#else
52#define irq_lookup(irq) (irq)
53#define irq_finish(irq) do { } while (0)
54#endif
55
56#include <asm-generic/irq.h>
57
58#endif /* __ASM_SH_IRQ_H */