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a17a75e2 MW |
1 | #ifndef _VME_H_ |
2 | #define _VME_H_ | |
3 | ||
4 | /* Resource Type */ | |
5 | enum vme_resource_type { | |
6 | VME_MASTER, | |
7 | VME_SLAVE, | |
42fb5031 MW |
8 | VME_DMA, |
9 | VME_LM | |
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10 | }; |
11 | ||
12 | /* VME Address Spaces */ | |
13 | typedef u32 vme_address_t; | |
14 | #define VME_A16 0x1 | |
15 | #define VME_A24 0x2 | |
16 | #define VME_A32 0x4 | |
17 | #define VME_A64 0x8 | |
18 | #define VME_CRCSR 0x10 | |
19 | #define VME_USER1 0x20 | |
20 | #define VME_USER2 0x40 | |
21 | #define VME_USER3 0x80 | |
22 | #define VME_USER4 0x100 | |
23 | ||
24 | #define VME_A16_MAX 0x10000ULL | |
25 | #define VME_A24_MAX 0x1000000ULL | |
26 | #define VME_A32_MAX 0x100000000ULL | |
27 | #define VME_A64_MAX 0x10000000000000000ULL | |
28 | #define VME_CRCSR_MAX 0x1000000ULL | |
29 | ||
30 | ||
31 | /* VME Cycle Types */ | |
32 | typedef u32 vme_cycle_t; | |
33 | #define VME_SCT 0x1 | |
34 | #define VME_BLT 0x2 | |
35 | #define VME_MBLT 0x4 | |
36 | #define VME_2eVME 0x8 | |
37 | #define VME_2eSST 0x10 | |
38 | #define VME_2eSSTB 0x20 | |
39 | ||
40 | #define VME_2eSST160 0x100 | |
41 | #define VME_2eSST267 0x200 | |
42 | #define VME_2eSST320 0x400 | |
43 | ||
44 | #define VME_SUPER 0x1000 | |
45 | #define VME_USER 0x2000 | |
46 | #define VME_PROG 0x4000 | |
47 | #define VME_DATA 0x8000 | |
48 | ||
49 | /* VME Data Widths */ | |
50 | typedef u32 vme_width_t; | |
51 | #define VME_D8 0x1 | |
52 | #define VME_D16 0x2 | |
53 | #define VME_D32 0x4 | |
54 | #define VME_D64 0x8 | |
55 | ||
56 | /* Arbitration Scheduling Modes */ | |
57 | typedef u32 vme_arbitration_t; | |
58 | #define VME_R_ROBIN_MODE 0x1 | |
59 | #define VME_PRIORITY_MODE 0x2 | |
60 | ||
61 | typedef u32 vme_dma_t; | |
62 | #define VME_DMA_PATTERN (1<<0) | |
63 | #define VME_DMA_PCI (1<<1) | |
64 | #define VME_DMA_VME (1<<2) | |
65 | ||
66 | typedef u32 vme_pattern_t; | |
67 | #define VME_DMA_PATTERN_BYTE (1<<0) | |
68 | #define VME_DMA_PATTERN_WORD (1<<1) | |
69 | #define VME_DMA_PATTERN_INCREMENT (1<<2) | |
70 | ||
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71 | typedef u32 vme_dma_route_t; |
72 | #define VME_DMA_VME_TO_MEM (1<<0) | |
73 | #define VME_DMA_MEM_TO_VME (1<<1) | |
74 | #define VME_DMA_VME_TO_VME (1<<2) | |
75 | #define VME_DMA_MEM_TO_MEM (1<<3) | |
76 | #define VME_DMA_PATTERN_TO_VME (1<<4) | |
77 | #define VME_DMA_PATTERN_TO_MEM (1<<5) | |
78 | ||
a17a75e2 MW |
79 | struct vme_dma_attr { |
80 | vme_dma_t type; | |
81 | void *private; | |
82 | }; | |
83 | ||
84 | struct vme_resource { | |
85 | enum vme_resource_type type; | |
86 | struct list_head *entry; | |
87 | }; | |
88 | ||
89 | extern struct bus_type vme_bus_type; | |
90 | ||
a37b0dad MW |
91 | #define VME_SLOT_CURRENT -1 |
92 | #define VME_SLOT_ALL -2 | |
93 | ||
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94 | struct vme_device_id { |
95 | int bus; | |
96 | int slot; | |
97 | }; | |
98 | ||
99 | struct vme_driver { | |
100 | struct list_head node; | |
101 | char *name; | |
102 | const struct vme_device_id *bind_table; | |
103 | int (*probe) (struct device *, int, int); | |
104 | int (*remove) (struct device *, int, int); | |
105 | void (*shutdown) (void); | |
106 | struct device_driver driver; | |
107 | }; | |
108 | ||
ead1f3e3 | 109 | void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); |
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110 | void vme_free_consistent(struct vme_resource *, size_t, void *, |
111 | dma_addr_t); | |
112 | ||
113 | size_t vme_get_size(struct vme_resource *); | |
114 | ||
ead1f3e3 MW |
115 | struct vme_resource *vme_slave_request(struct device *, vme_address_t, |
116 | vme_cycle_t); | |
117 | int vme_slave_set(struct vme_resource *, int, unsigned long long, | |
a17a75e2 | 118 | unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t); |
ead1f3e3 | 119 | int vme_slave_get(struct vme_resource *, int *, unsigned long long *, |
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120 | unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *); |
121 | void vme_slave_free(struct vme_resource *); | |
122 | ||
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123 | struct vme_resource *vme_master_request(struct device *, vme_address_t, |
124 | vme_cycle_t, vme_width_t); | |
125 | int vme_master_set(struct vme_resource *, int, unsigned long long, | |
a17a75e2 | 126 | unsigned long long, vme_address_t, vme_cycle_t, vme_width_t); |
ead1f3e3 | 127 | int vme_master_get(struct vme_resource *, int *, unsigned long long *, |
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128 | unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *); |
129 | ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); | |
130 | ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); | |
ead1f3e3 | 131 | unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int, |
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132 | unsigned int, loff_t); |
133 | void vme_master_free(struct vme_resource *); | |
134 | ||
4f723df4 | 135 | struct vme_resource *vme_dma_request(struct device *, vme_dma_route_t); |
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136 | struct vme_dma_list *vme_new_dma_list(struct vme_resource *); |
137 | struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t); | |
138 | struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); | |
139 | struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t, | |
140 | vme_cycle_t, vme_width_t); | |
141 | void vme_dma_free_attribute(struct vme_dma_attr *); | |
142 | int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, | |
143 | struct vme_dma_attr *, size_t); | |
144 | int vme_dma_list_exec(struct vme_dma_list *); | |
145 | int vme_dma_list_free(struct vme_dma_list *); | |
146 | int vme_dma_free(struct vme_resource *); | |
147 | ||
c813f592 | 148 | int vme_irq_request(struct device *, int, int, |
a17a75e2 | 149 | void (*callback)(int, int, void *), void *); |
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150 | void vme_irq_free(struct device *, int, int); |
151 | int vme_irq_generate(struct device *, int, int); | |
a17a75e2 | 152 | |
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153 | struct vme_resource * vme_lm_request(struct device *); |
154 | int vme_lm_count(struct vme_resource *); | |
155 | int vme_lm_set(struct vme_resource *, unsigned long long, vme_address_t, | |
156 | vme_cycle_t); | |
157 | int vme_lm_get(struct vme_resource *, unsigned long long *, vme_address_t *, | |
a17a75e2 | 158 | vme_cycle_t *); |
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159 | int vme_lm_attach(struct vme_resource *, int, void (*callback)(int)); |
160 | int vme_lm_detach(struct vme_resource *, int); | |
161 | void vme_lm_free(struct vme_resource *); | |
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162 | |
163 | int vme_slot_get(struct device *); | |
164 | ||
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165 | int vme_register_driver(struct vme_driver *); |
166 | void vme_unregister_driver(struct vme_driver *); | |
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167 | |
168 | ||
169 | #endif /* _VME_H_ */ | |
170 |