block/genhd.c: cleanups
[pv_ops_mirror.git] / include / asm-sh / hw_irq.h
blobc958fdaa00957ec835f2b7b1803baef4f5eb12d7
1 #ifndef __ASM_SH_HW_IRQ_H
2 #define __ASM_SH_HW_IRQ_H
4 #include <linux/init.h>
5 #include <asm/atomic.h>
7 extern atomic_t irq_err_count;
9 struct ipr_data {
10 unsigned char irq;
11 unsigned char ipr_idx; /* Index for the IPR registered */
12 unsigned char shift; /* Number of bits to shift the data */
13 unsigned char priority; /* The priority */
16 struct ipr_desc {
17 unsigned long *ipr_offsets;
18 unsigned int nr_offsets;
19 struct ipr_data *ipr_data;
20 unsigned int nr_irqs;
21 struct irq_chip chip;
24 void register_ipr_controller(struct ipr_desc *);
26 typedef unsigned char intc_enum;
28 struct intc_vect {
29 intc_enum enum_id;
30 unsigned short vect;
33 #define INTC_VECT(enum_id, vect) { enum_id, vect }
34 #define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
36 struct intc_group {
37 intc_enum enum_id;
38 intc_enum enum_ids[32];
41 #define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
43 struct intc_mask_reg {
44 unsigned long set_reg, clr_reg, reg_width;
45 intc_enum enum_ids[32];
46 #ifdef CONFIG_SMP
47 unsigned long smp;
48 #endif
51 struct intc_prio_reg {
52 unsigned long set_reg, clr_reg, reg_width, field_width;
53 intc_enum enum_ids[16];
54 #ifdef CONFIG_SMP
55 unsigned long smp;
56 #endif
59 struct intc_sense_reg {
60 unsigned long reg, reg_width, field_width;
61 intc_enum enum_ids[16];
64 #ifdef CONFIG_SMP
65 #define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
66 #else
67 #define INTC_SMP(stride, nr)
68 #endif
70 struct intc_desc {
71 struct intc_vect *vectors;
72 unsigned int nr_vectors;
73 struct intc_group *groups;
74 unsigned int nr_groups;
75 struct intc_mask_reg *mask_regs;
76 unsigned int nr_mask_regs;
77 struct intc_prio_reg *prio_regs;
78 unsigned int nr_prio_regs;
79 struct intc_sense_reg *sense_regs;
80 unsigned int nr_sense_regs;
81 char *name;
84 #define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
85 #define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \
86 mask_regs, prio_regs, sense_regs) \
87 struct intc_desc symbol __initdata = { \
88 _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
89 _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
90 _INTC_ARRAY(sense_regs), \
91 chipname, \
94 void __init register_intc_controller(struct intc_desc *desc);
95 int intc_set_priority(unsigned int irq, unsigned int prio);
97 void __init plat_irq_setup(void);
99 enum { IRQ_MODE_IRQ, IRQ_MODE_IRQ7654, IRQ_MODE_IRQ3210,
100 IRQ_MODE_IRL7654_MASK, IRQ_MODE_IRL3210_MASK,
101 IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
102 void __init plat_irq_setup_pins(int mode);
104 #endif /* __ASM_SH_HW_IRQ_H */