sh: intc - add support for 7722 processor

[karo-tx-linux.git] / include / asm-sh / hw_irq.h

diff --git a/include/asm-sh/hw_irq.h b/include/asm-sh/hw_irq.h
index 4ca3f765bacc11ecf3070a3b8b0770408dd9284c..6c21cf0dd51f1bb6dc1d7b34c975888c3ecec248 100644 (file)
--- a/include/asm-sh/hw_irq.h
+++ b/include/asm-sh/hw_irq.h
@@ -1,6 +1,7 @@
 #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;
@@ -47,4 +48,71 @@ void init_IRQ_ipr(void);
  */
 void 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);
+
 #endif /* __ASM_SH_HW_IRQ_H */