Release 4.12 include/linux/sh_intc.h

#ifndef __SH_INTC_H

#define __SH_INTC_H

#include <linux/ioport.h>

#ifdef CONFIG_SUPERH

#define INTC_NR_IRQS	512
#else

#define INTC_NR_IRQS	1024
#endif

/*
 * Convert back and forth between INTEVT and IRQ values.
 */
#ifdef CONFIG_CPU_HAS_INTEVT

#define evt2irq(evt)		(((evt) >> 5) - 16)

#define irq2evt(irq)		(((irq) + 16) << 5)
#else

#define evt2irq(evt)		(evt)

#define irq2evt(irq)		(irq)
#endif


typedef unsigned char intc_enum;


struct intc_vect {
	
intc_enum enum_id;
	
unsigned short vect;
};


#define INTC_VECT(enum_id, vect) { enum_id, vect }

#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))


struct intc_group {
	
intc_enum enum_id;
	
intc_enum enum_ids[32];
};


#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }


struct intc_subgroup {
	

unsigned long reg, reg_width;
	
intc_enum parent_id;
	
intc_enum enum_ids[32];
};


struct intc_mask_reg {
	


unsigned long set_reg, clr_reg, reg_width;
	
intc_enum enum_ids[32];
#ifdef CONFIG_INTC_BALANCING
	
unsigned long dist_reg;
#endif
#ifdef CONFIG_SMP
	
unsigned long smp;
#endif
};


struct intc_prio_reg {
	



unsigned long set_reg, clr_reg, reg_width, field_width;
	
intc_enum enum_ids[16];
#ifdef CONFIG_SMP
	
unsigned long smp;
#endif
};


struct intc_sense_reg {
	


unsigned long reg, reg_width, field_width;
	
intc_enum enum_ids[16];
};

#ifdef CONFIG_INTC_BALANCING

#define INTC_SMP_BALANCING(reg)	.dist_reg = (reg)
#else

#define INTC_SMP_BALANCING(reg)
#endif

#ifdef CONFIG_SMP

#define INTC_SMP(stride, nr)	.smp = (stride) | ((nr) << 8)
#else

#define INTC_SMP(stride, nr)
#endif


struct intc_hw_desc {
	
struct intc_vect *vectors;
	
unsigned int nr_vectors;
	
struct intc_group *groups;
	
unsigned int nr_groups;
	
struct intc_mask_reg *mask_regs;
	
unsigned int nr_mask_regs;
	
struct intc_prio_reg *prio_regs;
	
unsigned int nr_prio_regs;
	
struct intc_sense_reg *sense_regs;
	
unsigned int nr_sense_regs;
	
struct intc_mask_reg *ack_regs;
	
unsigned int nr_ack_regs;
	
struct intc_subgroup *subgroups;
	
unsigned int nr_subgroups;
};


#define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(*a)


#define INTC_HW_DESC(vectors, groups, mask_regs,       \
		     prio_regs,	sense_regs, ack_regs)	\
{                                                       \
        _INTC_ARRAY(vectors), _INTC_ARRAY(groups),      \
        _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
        _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \
}


struct intc_desc {
	
char *name;
	
struct resource *resource;
	
unsigned int num_resources;
	
intc_enum force_enable;
	
intc_enum force_disable;
	
bool skip_syscore_suspend;
	
struct intc_hw_desc hw;
};


#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups,               \
	mask_regs, prio_regs, sense_regs)				\
struct intc_desc symbol __initdata = {                                  \
        .name = chipname,                                               \
        .hw = INTC_HW_DESC(vectors, groups, mask_regs,                  \
                           prio_regs, sense_regs, NULL),                \
}


#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups,       \
	mask_regs, prio_regs, sense_regs, ack_regs)			\
struct intc_desc symbol __initdata = {                                  \
        .name = chipname,                                               \
        .hw = INTC_HW_DESC(vectors, groups, mask_regs,                  \
                           prio_regs, sense_regs, ack_regs),            \
}

int register_intc_controller(struct intc_desc *desc);
int intc_set_priority(unsigned int irq, unsigned int prio);
int intc_irq_lookup(const char *chipname, intc_enum enum_id);
void intc_finalize(void);

#ifdef CONFIG_INTC_USERIMASK
int register_intc_userimask(unsigned long addr);
#else


static inline int register_intc_userimask(unsigned long addr)
{
	return 0;
}
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#endif

#endif /* __SH_INTC_H */
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Directory: include/linux

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