Commit | Line | Data |
---|---|---|
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 | ||
c1e30ad9 PM |
23 | struct intc_subgroup { |
24 | unsigned long reg, reg_width; | |
25 | intc_enum parent_id; | |
26 | intc_enum enum_ids[32]; | |
27 | }; | |
28 | ||
bbfbd8b1 PM |
29 | struct intc_mask_reg { |
30 | unsigned long set_reg, clr_reg, reg_width; | |
31 | intc_enum enum_ids[32]; | |
dc825b17 PM |
32 | #ifdef CONFIG_INTC_BALANCING |
33 | unsigned long dist_reg; | |
34 | #endif | |
bbfbd8b1 PM |
35 | #ifdef CONFIG_SMP |
36 | unsigned long smp; | |
37 | #endif | |
38 | }; | |
39 | ||
40 | struct intc_prio_reg { | |
41 | unsigned long set_reg, clr_reg, reg_width, field_width; | |
42 | intc_enum enum_ids[16]; | |
43 | #ifdef CONFIG_SMP | |
44 | unsigned long smp; | |
45 | #endif | |
46 | }; | |
47 | ||
48 | struct intc_sense_reg { | |
49 | unsigned long reg, reg_width, field_width; | |
50 | intc_enum enum_ids[16]; | |
51 | }; | |
52 | ||
dc825b17 PM |
53 | #ifdef CONFIG_INTC_BALANCING |
54 | #define INTC_SMP_BALANCING(reg) .dist_reg = (reg) | |
55 | #else | |
56 | #define INTC_SMP_BALANCING(reg) | |
57 | #endif | |
58 | ||
bbfbd8b1 | 59 | #ifdef CONFIG_SMP |
dc825b17 | 60 | #define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8) |
bbfbd8b1 PM |
61 | #else |
62 | #define INTC_SMP(stride, nr) | |
63 | #endif | |
64 | ||
577cd758 | 65 | struct intc_hw_desc { |
bbfbd8b1 PM |
66 | struct intc_vect *vectors; |
67 | unsigned int nr_vectors; | |
68 | struct intc_group *groups; | |
69 | unsigned int nr_groups; | |
70 | struct intc_mask_reg *mask_regs; | |
71 | unsigned int nr_mask_regs; | |
72 | struct intc_prio_reg *prio_regs; | |
73 | unsigned int nr_prio_regs; | |
74 | struct intc_sense_reg *sense_regs; | |
75 | unsigned int nr_sense_regs; | |
bbfbd8b1 PM |
76 | struct intc_mask_reg *ack_regs; |
77 | unsigned int nr_ack_regs; | |
c1e30ad9 PM |
78 | struct intc_subgroup *subgroups; |
79 | unsigned int nr_subgroups; | |
bbfbd8b1 PM |
80 | }; |
81 | ||
99870bd7 | 82 | #define _INTC_ARRAY(a) a, __same_type(a, NULL) ? 0 : sizeof(a)/sizeof(*a) |
c1e30ad9 | 83 | |
577cd758 MD |
84 | #define INTC_HW_DESC(vectors, groups, mask_regs, \ |
85 | prio_regs, sense_regs, ack_regs) \ | |
86 | { \ | |
87 | _INTC_ARRAY(vectors), _INTC_ARRAY(groups), \ | |
88 | _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs), \ | |
89 | _INTC_ARRAY(sense_regs), _INTC_ARRAY(ack_regs), \ | |
90 | } | |
91 | ||
92 | struct intc_desc { | |
93 | char *name; | |
dec710b7 MD |
94 | struct resource *resource; |
95 | unsigned int num_resources; | |
d5190953 | 96 | intc_enum force_enable; |
d85429a3 | 97 | intc_enum force_disable; |
577cd758 MD |
98 | struct intc_hw_desc hw; |
99 | }; | |
100 | ||
bbfbd8b1 PM |
101 | #define DECLARE_INTC_DESC(symbol, chipname, vectors, groups, \ |
102 | mask_regs, prio_regs, sense_regs) \ | |
103 | struct intc_desc symbol __initdata = { \ | |
577cd758 MD |
104 | .name = chipname, \ |
105 | .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ | |
106 | prio_regs, sense_regs, NULL), \ | |
bbfbd8b1 PM |
107 | } |
108 | ||
bbfbd8b1 PM |
109 | #define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups, \ |
110 | mask_regs, prio_regs, sense_regs, ack_regs) \ | |
111 | struct intc_desc symbol __initdata = { \ | |
577cd758 MD |
112 | .name = chipname, \ |
113 | .hw = INTC_HW_DESC(vectors, groups, mask_regs, \ | |
114 | prio_regs, sense_regs, ack_regs), \ | |
bbfbd8b1 | 115 | } |
bbfbd8b1 | 116 | |
2be6bb0c | 117 | int register_intc_controller(struct intc_desc *desc); |
4bacd796 | 118 | void reserve_intc_vectors(struct intc_vect *vectors, unsigned int nr_vecs); |
bbfbd8b1 | 119 | int intc_set_priority(unsigned int irq, unsigned int prio); |
d74310d3 | 120 | int intc_irq_lookup(const char *chipname, intc_enum enum_id); |
c1e30ad9 | 121 | void intc_finalize(void); |
bbfbd8b1 | 122 | |
43b8774d PM |
123 | #ifdef CONFIG_INTC_USERIMASK |
124 | int register_intc_userimask(unsigned long addr); | |
125 | #else | |
126 | static inline int register_intc_userimask(unsigned long addr) | |
127 | { | |
128 | return 0; | |
129 | } | |
130 | #endif | |
131 | ||
bbfbd8b1 | 132 | #endif /* __SH_INTC_H */ |