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 */
19 extern void make_maskreg_irq(unsigned int irq);
20 extern unsigned short *irq_mask_register;
21
22 /*
23 * PINT IRQs
24 */
25 void make_imask_irq(unsigned int irq);
26
27 static 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
34 void init_IRQ(void);
35 void migrate_irqs(void);
36
37 asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs);
38
39 #ifdef CONFIG_IRQSTACKS
40 extern void irq_ctx_init(int cpu);
41 extern 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
48 extern unsigned int irq_lookup(unsigned int irq);
49 extern 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
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