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 make_imask_irq(unsigned int irq);
26
27static inline int generic_irq_demux(int irq)
28{
29	return irq;
30}
31
32#define irq_demux(irq)		sh_mv.mv_irq_demux(irq)
33
34void init_IRQ(void);
35void migrate_irqs(void);
36
37asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
38
39#ifdef CONFIG_IRQSTACKS
40extern void irq_ctx_init(int cpu);
41extern void irq_ctx_exit(int cpu);
42#else
43# define irq_ctx_init(cpu) do { } while (0)
44# define irq_ctx_exit(cpu) do { } while (0)
45#endif
46
47#ifdef CONFIG_INTC_BALANCING
48extern unsigned int irq_lookup(unsigned int irq);
49extern void irq_finish(unsigned int irq);
50#else
51#define irq_lookup(irq)		(irq)
52#define irq_finish(irq)		do { } while (0)
53#endif
54
55#include <asm-generic/irq.h>
56
57#endif /* __ASM_SH_IRQ_H */
58