xref: /linux/drivers/irqchip/irq-gic-common.h (revision 297fef494d78d00fa563ead08396da6b4ba58172)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2002 ARM Limited, All Rights Reserved.
4  */
5 
6 #ifndef _IRQ_GIC_COMMON_H
7 #define _IRQ_GIC_COMMON_H
8 
9 #include <linux/of.h>
10 #include <linux/irqdomain.h>
11 #include <linux/msi.h>
12 #include <linux/irqchip/arm-gic-common.h>
13 
14 struct gic_quirk {
15 	const char *desc;
16 	const char *compatible;
17 	const char *property;
18 	bool (*init)(void *data);
19 	u32 iidr;
20 	u32 mask;
21 };
22 
23 int gic_configure_irq(unsigned int irq, unsigned int type,
24                        void __iomem *base);
25 void gic_dist_config(void __iomem *base, int gic_irqs, u8 priority);
26 void gic_cpu_config(void __iomem *base, int nr, u8 priority);
27 void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks,
28 		void *data);
29 void gic_enable_of_quirks(const struct device_node *np,
30 			  const struct gic_quirk *quirks, void *data);
31 
32 extern const struct msi_parent_ops gic_v3_its_msi_parent_ops;
33 
34 #define RDIST_FLAGS_PROPBASE_NEEDS_FLUSHING    (1 << 0)
35 #define RDIST_FLAGS_RD_TABLES_PREALLOCATED     (1 << 1)
36 #define RDIST_FLAGS_FORCE_NON_SHAREABLE        (1 << 2)
37 
38 #endif /* _IRQ_GIC_COMMON_H */
39