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bbfbd8b1 PM |
1 | #ifndef __SH_INTC_H |
2 | #define __SH_INTC_H | |
3 | ||
dec710b7 MD |
4 | #include <linux/ioport.h> |
5 | ||
bbfbd8b1 PM |
6 | typedef unsigned char intc_enum; |
7 | ||
8 | struct intc_vect { | |
9 | intc_enum enum_id; | |
10 | unsigned short vect; | |
11 | }; | |
12 | ||
13 | #define INTC_VECT(enum_id, vect) { enum_id, vect } | |
14 | #define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq)) | |
15 | ||
16 | struct intc_group { | |
17 | intc_enum enum_id; | |
18 | intc_enum enum_ids[32]; | |
19 | }; | |
20 | ||
21 | #define INTC_GROUP(enum_id, ids...) { enum_id, { ids } } | |
22 | ||
23 | struct intc_mask_reg { | |
24 | unsigned long set_reg, clr_reg, reg_width; | |
25 | intc_enum enum_ids[32]; | |
dc825b17 PM |
26 | #ifdef CONFIG_INTC_BALANCING |
27 | unsigned long dist_reg; | |
28 | #endif | |
bbfbd8b1 PM |
29 | #ifdef CONFIG_SMP |
30 | unsigned long smp; | |
31 | #endif | |
32 | }; | |
33 | ||
34 | struct intc_prio_reg { | |
35 | unsigned long set_reg, clr_reg, reg_width, field_width; | |
36 | intc_enum enum_ids[16]; | |
37 | #ifdef CONFIG_SMP | |
38 | unsigned long smp; | |
39 | #endif | |
40 | }; | |
41 | ||
42 | struct intc_sense_reg { | |
43 | unsigned long reg, reg_width, field_width; | |
44 | intc_enum enum_ids[16]; | |
45 | }; | |
46 | ||
dc825b17 PM |
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 | ||
bbfbd8b1 | 53 | #ifdef CONFIG_SMP |
dc825b17 | 54 | #define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8) |
bbfbd8b1 PM |
55 | #else |
56 | #define INTC_SMP(stride, nr) | |
57 | #endif | |
58 | ||
577cd758 | 59 | struct intc_hw_desc { |
bbfbd8b1 PM |
60 | struct intc_vect *vectors; |
61 | unsigned int nr_vectors; | |
62 | struct intc_group *groups; | |
63 | unsigned int nr_groups; | |
64 | struct intc_mask_reg *mask_regs; | |
65 | unsigned int nr_mask_regs; | |
66 | struct intc_prio_reg *prio_regs; | |
67 | unsigned int nr_prio_regs; | |
68 | struct intc_sense_reg *sense_regs; | |
69 | unsigned int nr_sense_regs; | |
bbfbd8b1 PM |
70 | struct intc_mask_reg *ack_regs; |
71 | unsigned int nr_ack_regs; | |
bbfbd8b1 PM |
72 | }; |
73 | ||
74 | #define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a) | |
577cd758 MD |
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 | ||
83 | struct intc_desc { | |
84 | char *name; | |
dec710b7 MD |
85 | struct resource *resource; |
86 | unsigned int num_resources; | |
d5190953 | 87 | intc_enum force_enable; |
d85429a3 | 88 | intc_enum force_disable; |
577cd758 MD |
89 | struct intc_hw_desc hw; |
90 | }; | |
91 | ||
bbfbd8b1 PM |
92 | #define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \ |
93 | mask_regs, prio_regs, sense_regs) \ | |
94 | struct intc_desc symbol __initdata = { \ | |
577cd758 MD |
95 | .name = chipname, \ |
96 | .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ | |
97 | prio_regs, sense_regs, NULL), \ | |
bbfbd8b1 PM |
98 | } |
99 | ||
bbfbd8b1 PM |
100 | #define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \ |
101 | mask_regs, prio_regs, sense_regs, ack_regs) \ | |
102 | struct intc_desc symbol __initdata = { \ | |
577cd758 MD |
103 | .name = chipname, \ |
104 | .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ | |
105 | prio_regs, sense_regs, ack_regs), \ | |
bbfbd8b1 | 106 | } |
bbfbd8b1 | 107 | |
01e9651a | 108 | int __init register_intc_controller(struct intc_desc *desc); |
bbfbd8b1 PM |
109 | int intc_set_priority(unsigned int irq, unsigned int prio); |
110 | ||
43b8774d PM |
111 | #ifdef CONFIG_INTC_USERIMASK |
112 | int register_intc_userimask(unsigned long addr); | |
113 | #else | |
114 | static inline int register_intc_userimask(unsigned long addr) | |
115 | { | |
116 | return 0; | |
117 | } | |
118 | #endif | |
119 | ||
45b9deaf PM |
120 | int reserve_irq_vector(unsigned int irq); |
121 | void reserve_irq_legacy(void); | |
122 | ||
bbfbd8b1 | 123 | #endif /* __SH_INTC_H */ |