00001 #ifndef __SH_INTC_H__
00002 #define __SH_INTC_H__
00003
00004 #include "qemu-common.h"
00005 #include "irq.h"
00006
00007 typedef unsigned char intc_enum;
00008
00009 struct intc_vect {
00010 intc_enum enum_id;
00011 unsigned short vect;
00012 };
00013
00014 #define INTC_VECT(enum_id, vect) { enum_id, vect }
00015
00016 struct intc_group {
00017 intc_enum enum_id;
00018 intc_enum enum_ids[32];
00019 };
00020
00021 #define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
00022
00023 struct intc_mask_reg {
00024 unsigned long set_reg, clr_reg, reg_width;
00025 intc_enum enum_ids[32];
00026 unsigned long value;
00027 };
00028
00029 struct intc_prio_reg {
00030 unsigned long set_reg, clr_reg, reg_width, field_width;
00031 intc_enum enum_ids[16];
00032 unsigned long value;
00033 };
00034
00035 #define _INTC_ARRAY(a) a, ARRAY_SIZE(a)
00036
00037 struct intc_source {
00038 unsigned short vect;
00039 intc_enum next_enum_id;
00040
00041 int asserted;
00042 int enable_count;
00043 int enable_max;
00044 int pending;
00045 struct intc_desc *parent;
00046 };
00047
00048 struct intc_desc {
00049 qemu_irq *irqs;
00050 struct intc_source *sources;
00051 int nr_sources;
00052 struct intc_mask_reg *mask_regs;
00053 int nr_mask_regs;
00054 struct intc_prio_reg *prio_regs;
00055 int nr_prio_regs;
00056 int iomemtype;
00057 int pending;
00058 };
00059
00060 int sh_intc_get_pending_vector(struct intc_desc *desc, int imask);
00061 struct intc_source *sh_intc_source(struct intc_desc *desc, intc_enum id);
00062 void sh_intc_toggle_source(struct intc_source *source,
00063 int enable_adj, int assert_adj);
00064
00065 void sh_intc_register_sources(struct intc_desc *desc,
00066 struct intc_vect *vectors,
00067 int nr_vectors,
00068 struct intc_group *groups,
00069 int nr_groups);
00070
00071 int sh_intc_init(struct intc_desc *desc,
00072 int nr_sources,
00073 struct intc_mask_reg *mask_regs,
00074 int nr_mask_regs,
00075 struct intc_prio_reg *prio_regs,
00076 int nr_prio_regs);
00077
00078 void sh_intc_set_irl(void *opaque, int n, int level);
00079
00080 #endif