projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | #ifndef __ASM_SH_IRQ_H |
| 3 | #define __ASM_SH_IRQ_H | |
| 4 | ||
| 763142d1 | 5 | #include <linux/cpumask.h> |
| 1da177e4 | 6 | #include <asm/machvec.h> |
| 1da177e4 | 7 | |
| be782df5 | 8 | /* |
| 63dc02bd PM |
9 | * Only legacy non-sparseirq platforms have to set a reasonably sane |
| 10 | * value here. sparseirq platforms allocate their irq_descs on the fly, | |
| 11 | * so will expand automatically based on the number of registered IRQs. | |
| 1da177e4 | 12 | */ |
| 63dc02bd PM |
13 | #ifdef CONFIG_SPARSE_IRQ |
| 14 | # define NR_IRQS 8 | |
| 15 | #else | |
| 16 | # define NR_IRQS 512 | |
| 17 | #endif | |
| 1da177e4 | 18 | |
| dc825b17 PM |
19 | /* |
| 20 | * This is a special IRQ number for indicating that no IRQ has been | |
| 21 | * triggered and to simply ignore the IRQ dispatch. This is a special | |
| 22 | * case that can happen with IRQ auto-distribution when multiple CPUs | |
| 23 | * are woken up and signalled in parallel. | |
| 24 | */ | |
| 25 | #define NO_IRQ_IGNORE ((unsigned int)-1) | |
| 26 | ||
| 1da177e4 LT |
27 | /* |
| 28 | * Simple Mask Register Support | |
| 29 | */ | |
| 30 | extern void make_maskreg_irq(unsigned int irq); | |
| 31 | extern unsigned short *irq_mask_register; | |
| 32 | ||
| 0f08f338 PM |
33 | /* |
| 34 | * PINT IRQs | |
| 35 | */ | |
| 36 | void init_IRQ_pint(void); | |
| ea0f8fea | 37 | void make_imask_irq(unsigned int irq); |
| 1da177e4 | 38 | |
| 1da177e4 LT |
39 | static inline int generic_irq_demux(int irq) |
| 40 | { | |
| 41 | return irq; | |
| 42 | } | |
| 43 | ||
| 9a7ef6d5 | 44 | #define irq_demux(irq) sh_mv.mv_irq_demux(irq) |
| 1da177e4 | 45 | |
| fa43972f | 46 | void init_IRQ(void); |
| 763142d1 PM |
47 | void migrate_irqs(void); |
| 48 | ||
| fa43972f PM |
49 | asmlinkage int do_IRQ(unsigned int irq, struct pt_regs *regs); |
| 50 | ||
| 110ed282 | 51 | #ifdef CONFIG_IRQSTACKS |
| a6a31139 PM |
52 | extern void irq_ctx_init(int cpu); |
| 53 | extern void irq_ctx_exit(int cpu); | |
| 54 | # define __ARCH_HAS_DO_SOFTIRQ | |
| 55 | #else | |
| 56 | # define irq_ctx_init(cpu) do { } while (0) | |
| 57 | # define irq_ctx_exit(cpu) do { } while (0) | |
| 58 | #endif | |
| 59 | ||
| dc825b17 PM |
60 | #ifdef CONFIG_INTC_BALANCING |
| 61 | extern unsigned int irq_lookup(unsigned int irq); | |
| 62 | extern void irq_finish(unsigned int irq); | |
| 63 | #else | |
| 64 | #define irq_lookup(irq) (irq) | |
| 65 | #define irq_finish(irq) do { } while (0) | |
| 66 | #endif | |
| 67 | ||
| f8f06bc7 | 68 | #include <asm-generic/irq.h> |
| c7a49dd4 | 69 | #ifdef CONFIG_CPU_SH5 |
| f15cbe6f | 70 | #include <cpu/irq.h> |
| c7a49dd4 PM |
71 | #endif |
| 72 | ||
| 1da177e4 | 73 | #endif /* __ASM_SH_IRQ_H */ |