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-rw-r--r--include/linux/sh_intc.h59
1 files changed, 46 insertions, 13 deletions
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
index 4ef246f14654..0d6cd38e673d 100644
--- a/include/linux/sh_intc.h
+++ b/include/linux/sh_intc.h
@@ -1,6 +1,8 @@
1#ifndef __SH_INTC_H 1#ifndef __SH_INTC_H
2#define __SH_INTC_H 2#define __SH_INTC_H
3 3
4#include <linux/ioport.h>
5
4typedef unsigned char intc_enum; 6typedef unsigned char intc_enum;
5 7
6struct intc_vect { 8struct intc_vect {
@@ -21,6 +23,9 @@ struct intc_group {
21struct intc_mask_reg { 23struct intc_mask_reg {
22 unsigned long set_reg, clr_reg, reg_width; 24 unsigned long set_reg, clr_reg, reg_width;
23 intc_enum enum_ids[32]; 25 intc_enum enum_ids[32];
26#ifdef CONFIG_INTC_BALANCING
27 unsigned long dist_reg;
28#endif
24#ifdef CONFIG_SMP 29#ifdef CONFIG_SMP
25 unsigned long smp; 30 unsigned long smp;
26#endif 31#endif
@@ -39,13 +44,19 @@ struct intc_sense_reg {
39 intc_enum enum_ids[16]; 44 intc_enum enum_ids[16];
40}; 45};
41 46
47#ifdef CONFIG_INTC_BALANCING
48#define INTC_SMP_BALANCING(reg) .dist_reg = (reg)
49#else
50#define INTC_SMP_BALANCING(reg)
51#endif
52
42#ifdef CONFIG_SMP 53#ifdef CONFIG_SMP
43#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8) 54#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
44#else 55#else
45#define INTC_SMP(stride, nr) 56#define INTC_SMP(stride, nr)
46#endif 57#endif
47 58
48struct intc_desc { 59struct intc_hw_desc {
49 struct intc_vect *vectors; 60 struct intc_vect *vectors;
50 unsigned int nr_vectors; 61 unsigned int nr_vectors;
51 struct intc_group *groups; 62 struct intc_group *groups;
@@ -56,34 +67,56 @@ struct intc_desc {
56 unsigned int nr_prio_regs; 67 unsigned int nr_prio_regs;
57 struct intc_sense_reg *sense_regs; 68 struct intc_sense_reg *sense_regs;
58 unsigned int nr_sense_regs; 69 unsigned int nr_sense_regs;
59 char *name;
60 struct intc_mask_reg *ack_regs; 70 struct intc_mask_reg *ack_regs;
61 unsigned int nr_ack_regs; 71 unsigned int nr_ack_regs;
62}; 72};
63 73
64#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a) 74#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
75#define INTC_HW_DESC(vectors, groups, mask_regs, \
76 prio_regs, sense_regs, ack_regs) \
77{ \
78 _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \
79 _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \
80 _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \
81}
82
83struct intc_desc {
84 char *name;
85 struct resource *resource;
86 unsigned int num_resources;
87 intc_enum force_enable;
88 intc_enum force_disable;
89 struct intc_hw_desc hw;
90};
91
65#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \ 92#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \
66 mask_regs, prio_regs, sense_regs) \ 93 mask_regs, prio_regs, sense_regs) \
67struct intc_desc symbol __initdata = { \ 94struct intc_desc symbol __initdata = { \
68 _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \ 95 .name = chipname, \
69 _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \ 96 .hw = INTC_HW_DESC(vectors, groups, mask_regs, \
70 _INTC_ARRAY(sense_regs), \ 97 prio_regs, sense_regs, NULL), \
71 chipname, \
72} 98}
73 99
74#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \ 100#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \
75 mask_regs, prio_regs, sense_regs, ack_regs) \ 101 mask_regs, prio_regs, sense_regs, ack_regs) \
76struct intc_desc symbol __initdata = { \ 102struct intc_desc symbol __initdata = { \
77 _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \ 103 .name = chipname, \
78 _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \ 104 .hw = INTC_HW_DESC(vectors, groups, mask_regs, \
79 _INTC_ARRAY(sense_regs), \ 105 prio_regs, sense_regs, ack_regs), \
80 chipname, \
81 _INTC_ARRAY(ack_regs), \
82} 106}
83 107
84void __init register_intc_controller(struct intc_desc *desc); 108int __init register_intc_controller(struct intc_desc *desc);
85int intc_set_priority(unsigned int irq, unsigned int prio); 109int intc_set_priority(unsigned int irq, unsigned int prio);
86 110
111#ifdef CONFIG_INTC_USERIMASK
112int register_intc_userimask(unsigned long addr);
113#else
114static inline int register_intc_userimask(unsigned long addr)
115{
116 return 0;
117}
118#endif
119
87int reserve_irq_vector(unsigned int irq); 120int reserve_irq_vector(unsigned int irq);
88void reserve_irq_legacy(void); 121void reserve_irq_legacy(void);
89 122