?? sh_intc.h
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#ifndef __SH_INTC_H__#define __SH_INTC_H__typedef unsigned char intc_enum;struct intc_vect { intc_enum enum_id; unsigned short vect;};#define INTC_VECT(enum_id, vect) { enum_id, vect }struct intc_group { intc_enum enum_id; intc_enum enum_ids[32];};#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }struct intc_mask_reg { unsigned long set_reg, clr_reg, reg_width; intc_enum enum_ids[32]; unsigned long value;};struct intc_prio_reg { unsigned long set_reg, clr_reg, reg_width, field_width; intc_enum enum_ids[16]; unsigned long value;};#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)struct intc_source { unsigned short vect; intc_enum next_enum_id; int asserted; /* emulates the interrupt signal line from device to intc */ int enable_count; int enable_max; int pending; /* emulates the result of signal and masking */ struct intc_desc *parent;};struct intc_desc { struct intc_source *sources; int nr_sources; struct intc_mask_reg *mask_regs; int nr_mask_regs; struct intc_prio_reg *prio_regs; int nr_prio_regs; int iomemtype; int pending; /* number of interrupt sources that has pending set */};int sh_intc_get_pending_vector(struct intc_desc *desc, int imask);struct intc_source *sh_intc_source(struct intc_desc *desc, intc_enum id);void sh_intc_toggle_source(struct intc_source *source, int enable_adj, int assert_adj);void sh_intc_register_sources(struct intc_desc *desc, struct intc_vect *vectors, int nr_vectors, struct intc_group *groups, int nr_groups);int sh_intc_init(struct intc_desc *desc, int nr_sources, struct intc_mask_reg *mask_regs, int nr_mask_regs, struct intc_prio_reg *prio_regs, int nr_prio_regs);#endif /* __SH_INTC_H__ */
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