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Release 4.14 include/linux/of_irq.h

Directory: include/linux
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __OF_IRQ_H

#define __OF_IRQ_H

#include <linux/types.h>
#include <linux/errno.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/ioport.h>
#include <linux/of.h>


typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *);

/*
 * Workarounds only applied to 32bit powermac machines
 */

#define OF_IMAP_OLDWORLD_MAC	0x00000001

#define OF_IMAP_NO_PHANDLE	0x00000002

#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
extern unsigned int of_irq_workarounds;
extern struct device_node *of_irq_dflt_pic;
extern int of_irq_parse_oldworld(struct device_node *device, int index,
			       struct of_phandle_args *out_irq);
#else /* CONFIG_PPC32 && CONFIG_PPC_PMAC */

#define of_irq_workarounds (0)

#define of_irq_dflt_pic (NULL)

static inline int of_irq_parse_oldworld(struct device_node *device, int index, struct of_phandle_args *out_irq) { return -EINVAL; }

Contributors

PersonTokensPropCommitsCommitProp
Grant C. Likely24100.00%3100.00%
Total24100.00%3100.00%

#endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */ extern int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq); extern int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_args *out_irq); extern unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data); extern int of_irq_to_resource(struct device_node *dev, int index, struct resource *r); extern void of_irq_init(const struct of_device_id *matches); #ifdef CONFIG_OF_IRQ extern int of_irq_count(struct device_node *dev); extern int of_irq_get(struct device_node *dev, int index); extern int of_irq_get_byname(struct device_node *dev, const char *name); extern int of_irq_to_resource_table(struct device_node *dev, struct resource *res, int nr_irqs); extern struct device_node *of_irq_find_parent(struct device_node *child); extern struct irq_domain *of_msi_get_domain(struct device *dev, struct device_node *np, enum irq_domain_bus_token token); extern struct irq_domain *of_msi_map_get_device_domain(struct device *dev, u32 rid); extern void of_msi_configure(struct device *dev, struct device_node *np); u32 of_msi_map_rid(struct device *dev, struct device_node *msi_np, u32 rid_in); #else
static inline int of_irq_count(struct device_node *dev) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Rob Herring15100.00%1100.00%
Total15100.00%1100.00%


static inline int of_irq_get(struct device_node *dev, int index) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Rob Herring18100.00%1100.00%
Total18100.00%1100.00%


static inline int of_irq_get_byname(struct device_node *dev, const char *name) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Grygorii Strashko20100.00%1100.00%
Total20100.00%1100.00%


static inline int of_irq_to_resource_table(struct device_node *dev, struct resource *res, int nr_irqs) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Geert Uytterhoeven23100.00%1100.00%
Total23100.00%1100.00%


static inline void *of_irq_find_parent(struct device_node *child) { return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Carlo Caione16100.00%1100.00%
Total16100.00%1100.00%


static inline struct irq_domain *of_msi_get_domain(struct device *dev, struct device_node *np, enum irq_domain_bus_token token) { return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Marc Zyngier26100.00%1100.00%
Total26100.00%1100.00%


static inline struct irq_domain *of_msi_map_get_device_domain(struct device *dev, u32 rid) { return NULL; }

Contributors

PersonTokensPropCommitsCommitProp
Marc Zyngier20100.00%1100.00%
Total20100.00%1100.00%


static inline void of_msi_configure(struct device *dev, struct device_node *np) { }

Contributors

PersonTokensPropCommitsCommitProp
Jonas Gorski16100.00%1100.00%
Total16100.00%1100.00%


static inline u32 of_msi_map_rid(struct device *dev, struct device_node *msi_np, u32 rid_in) { return rid_in; }

Contributors

PersonTokensPropCommitsCommitProp
Rob Herring23100.00%1100.00%
Total23100.00%1100.00%

#endif #if defined(CONFIG_OF_IRQ) || defined(CONFIG_SPARC) /* * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC * implements it differently. However, the prototype is the same for all, * so declare it here regardless of the CONFIG_OF_IRQ setting. */ extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); #else /* !CONFIG_OF && !CONFIG_SPARC */
static inline unsigned int irq_of_parse_and_map(struct device_node *dev, int index) { return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Thomas Abraham19100.00%1100.00%
Total19100.00%1100.00%

#endif /* !CONFIG_OF */ #endif /* __OF_IRQ_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Grant C. Likely17730.78%728.00%
Rob Herring14124.52%520.00%
Marc Zyngier8214.26%28.00%
Geert Uytterhoeven417.13%14.00%
Jonas Gorski376.43%28.00%
Grygorii Strashko356.09%14.00%
Carlo Caione284.87%14.00%
Thomas Abraham223.83%14.00%
Michael Ellerman81.39%14.00%
Greg Kroah-Hartman10.17%14.00%
Kim Phillips10.17%14.00%
Andres Salomon10.17%14.00%
Linus Torvalds10.17%14.00%
Total575100.00%25100.00%
Directory: include/linux
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