1 files changed, 113 insertions, 0 deletions

diff --git a/include/asm-sh/hw_irq.h b/include/asm-sh/hw_irq.h
index 80ee1cda7498..20d42959f52a 100644
--- a/include/asm-sh/hw_irq.h
+++ b/include/asm-sh/hw_irq.h
@@ -1,8 +1,121 @@
 #ifndef __ASM_SH_HW_IRQ_H
 #define __ASM_SH_HW_IRQ_H
 
+#include <linux/init.h>
 #include <asm/atomic.h>
 
 extern atomic_t irq_err_count;
 
+struct intc2_data {
+        unsigned short irq;
+        unsigned char ipr_offset, ipr_shift;
+        unsigned char msk_offset, msk_shift;
+        unsigned char priority;
+};
+
+struct intc2_desc {
+        unsigned long prio_base;
+        unsigned long msk_base;
+        unsigned long mskclr_base;
+        struct intc2_data *intc2_data;
+        unsigned int nr_irqs;
+        struct irq_chip chip;
+};
+
+void register_intc2_controller(struct intc2_desc *);
+
+struct ipr_data {
+        unsigned char irq;
+        unsigned char ipr_idx;          /* Index for the IPR registered */
+        unsigned char shift;            /* Number of bits to shift the data */
+        unsigned char priority;         /* The priority */
+};
+
+struct ipr_desc {
+        unsigned long *ipr_offsets;
+        unsigned int nr_offsets;
+        struct ipr_data *ipr_data;
+        unsigned int nr_irqs;
+        struct irq_chip chip;
+};
+
+void register_ipr_controller(struct ipr_desc *);
+
+/*
+ * Enable individual interrupt mode for external IPR IRQs.
+ */
+void __init ipr_irq_enable_irlm(void);
+
+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_prio {
+        intc_enum enum_id;
+        unsigned char priority;
+};
+
+#define INTC_PRIO(enum_id, prio) { enum_id, prio }
+
+struct intc_group {
+        intc_enum enum_id;
+        intc_enum *enum_ids;
+};
+
+#define INTC_GROUP(enum_id, ids...) { enum_id, (intc_enum []) { ids, 0 } }
+
+struct intc_mask_reg {
+        unsigned long set_reg, clr_reg, reg_width;
+        intc_enum enum_ids[32];
+};
+
+struct intc_prio_reg {
+        unsigned long reg, reg_width, field_width;
+        intc_enum enum_ids[16];
+};
+
+struct intc_sense_reg {
+        unsigned long reg, reg_width, field_width;
+        intc_enum enum_ids[16];
+};
+
+struct intc_desc {
+        struct intc_vect *vectors;
+        unsigned int nr_vectors;
+        struct intc_group *groups;
+        unsigned int nr_groups;
+        struct intc_prio *priorities;
+        unsigned int nr_priorities;
+        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 irq_chip chip;
+};
+
+#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
+#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups,            \
+        priorities, mask_regs, prio_regs, sense_regs)                   \
+struct intc_desc symbol = {                                             \
+        _INTC_ARRAY(vectors), _INTC_ARRAY(groups),                      \
+        _INTC_ARRAY(priorities),                                        \
+        _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),                 \
+        _INTC_ARRAY(sense_regs),                                        \
+        .chip.name = chipname,                                          \
+}
+
+void __init register_intc_controller(struct intc_desc *desc);
+
+void __init plat_irq_setup(void);
+
+enum { IRQ_MODE_IRQ, IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
+void __init plat_irq_setup_pins(int mode);
+
 #endif /* __ASM_SH_HW_IRQ_H */