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