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1 | #ifndef _VME_H_ |
2 | #define _VME_H_ |
3 | |
4 | /* Resource Type */ |
5 | enum vme_resource_type { |
6 | VME_MASTER, |
7 | VME_SLAVE, |
8 | VME_DMA, |
9 | VME_LM |
10 | }; |
11 | |
12 | /* VME Address Spaces */ |
13 | #define VME_A16 0x1 |
14 | #define VME_A24 0x2 |
15 | #define VME_A32 0x4 |
16 | #define VME_A64 0x8 |
17 | #define VME_CRCSR 0x10 |
18 | #define VME_USER1 0x20 |
19 | #define VME_USER2 0x40 |
20 | #define VME_USER3 0x80 |
21 | #define VME_USER4 0x100 |
22 | |
23 | #define VME_A16_MAX 0x10000ULL |
24 | #define VME_A24_MAX 0x1000000ULL |
25 | #define VME_A32_MAX 0x100000000ULL |
26 | #define VME_A64_MAX 0x10000000000000000ULL |
27 | #define VME_CRCSR_MAX 0x1000000ULL |
28 | |
29 | |
30 | /* VME Cycle Types */ |
31 | #define VME_SCT 0x1 |
32 | #define VME_BLT 0x2 |
33 | #define VME_MBLT 0x4 |
34 | #define VME_2eVME 0x8 |
35 | #define VME_2eSST 0x10 |
36 | #define VME_2eSSTB 0x20 |
37 | |
38 | #define VME_2eSST160 0x100 |
39 | #define VME_2eSST267 0x200 |
40 | #define VME_2eSST320 0x400 |
41 | |
42 | #define VME_SUPER 0x1000 |
43 | #define VME_USER 0x2000 |
44 | #define VME_PROG 0x4000 |
45 | #define VME_DATA 0x8000 |
46 | |
47 | /* VME Data Widths */ |
48 | #define VME_D8 0x1 |
49 | #define VME_D16 0x2 |
50 | #define VME_D32 0x4 |
51 | #define VME_D64 0x8 |
52 | |
53 | /* Arbitration Scheduling Modes */ |
54 | #define VME_R_ROBIN_MODE 0x1 |
55 | #define VME_PRIORITY_MODE 0x2 |
56 | |
57 | #define VME_DMA_PATTERN (1<<0) |
58 | #define VME_DMA_PCI (1<<1) |
59 | #define VME_DMA_VME (1<<2) |
60 | |
61 | #define VME_DMA_PATTERN_BYTE (1<<0) |
62 | #define VME_DMA_PATTERN_WORD (1<<1) |
63 | #define VME_DMA_PATTERN_INCREMENT (1<<2) |
64 | |
65 | #define VME_DMA_VME_TO_MEM (1<<0) |
66 | #define VME_DMA_MEM_TO_VME (1<<1) |
67 | #define VME_DMA_VME_TO_VME (1<<2) |
68 | #define VME_DMA_MEM_TO_MEM (1<<3) |
69 | #define VME_DMA_PATTERN_TO_VME (1<<4) |
70 | #define VME_DMA_PATTERN_TO_MEM (1<<5) |
71 | |
72 | struct vme_dma_attr { |
73 | u32 type; |
74 | void *private; |
75 | }; |
76 | |
77 | struct vme_resource { |
78 | enum vme_resource_type type; |
79 | struct list_head *entry; |
80 | }; |
81 | |
82 | extern struct bus_type vme_bus_type; |
83 | |
84 | /* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */ |
85 | #define VME_MAX_BRIDGES (sizeof(unsigned int)*8) |
86 | #define VME_MAX_SLOTS 32 |
87 | |
88 | #define VME_SLOT_CURRENT -1 |
89 | #define VME_SLOT_ALL -2 |
90 | |
91 | /** |
92 | * Structure representing a VME device |
93 | * @num: The device number |
94 | * @bridge: Pointer to the bridge device this device is on |
95 | * @dev: Internal device structure |
96 | * @drv_list: List of devices (per driver) |
97 | * @bridge_list: List of devices (per bridge) |
98 | */ |
99 | struct vme_dev { |
100 | int num; |
101 | struct vme_bridge *bridge; |
102 | struct device dev; |
103 | struct list_head drv_list; |
104 | struct list_head bridge_list; |
105 | }; |
106 | |
107 | struct vme_driver { |
108 | struct list_head node; |
109 | const char *name; |
110 | int (*match)(struct vme_dev *); |
111 | int (*probe)(struct vme_dev *); |
112 | int (*remove)(struct vme_dev *); |
113 | void (*shutdown)(void); |
114 | struct device_driver driver; |
115 | struct list_head devices; |
116 | }; |
117 | |
118 | void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); |
119 | void vme_free_consistent(struct vme_resource *, size_t, void *, |
120 | dma_addr_t); |
121 | |
122 | size_t vme_get_size(struct vme_resource *); |
123 | |
124 | struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32); |
125 | int vme_slave_set(struct vme_resource *, int, unsigned long long, |
126 | unsigned long long, dma_addr_t, u32, u32); |
127 | int vme_slave_get(struct vme_resource *, int *, unsigned long long *, |
128 | unsigned long long *, dma_addr_t *, u32 *, u32 *); |
129 | void vme_slave_free(struct vme_resource *); |
130 | |
131 | struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32); |
132 | int vme_master_set(struct vme_resource *, int, unsigned long long, |
133 | unsigned long long, u32, u32, u32); |
134 | int vme_master_get(struct vme_resource *, int *, unsigned long long *, |
135 | unsigned long long *, u32 *, u32 *, u32 *); |
136 | ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); |
137 | ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); |
138 | unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int, |
139 | unsigned int, loff_t); |
140 | void vme_master_free(struct vme_resource *); |
141 | |
142 | struct vme_resource *vme_dma_request(struct vme_dev *, u32); |
143 | struct vme_dma_list *vme_new_dma_list(struct vme_resource *); |
144 | struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32); |
145 | struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); |
146 | struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32); |
147 | void vme_dma_free_attribute(struct vme_dma_attr *); |
148 | int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, |
149 | struct vme_dma_attr *, size_t); |
150 | int vme_dma_list_exec(struct vme_dma_list *); |
151 | int vme_dma_list_free(struct vme_dma_list *); |
152 | int vme_dma_free(struct vme_resource *); |
153 | |
154 | int vme_irq_request(struct vme_dev *, int, int, |
155 | void (*callback)(int, int, void *), void *); |
156 | void vme_irq_free(struct vme_dev *, int, int); |
157 | int vme_irq_generate(struct vme_dev *, int, int); |
158 | |
159 | struct vme_resource *vme_lm_request(struct vme_dev *); |
160 | int vme_lm_count(struct vme_resource *); |
161 | int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32); |
162 | int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *); |
163 | int vme_lm_attach(struct vme_resource *, int, void (*callback)(int)); |
164 | int vme_lm_detach(struct vme_resource *, int); |
165 | void vme_lm_free(struct vme_resource *); |
166 | |
167 | int vme_slot_get(struct vme_dev *); |
168 | |
169 | int vme_register_driver(struct vme_driver *, unsigned int); |
170 | void vme_unregister_driver(struct vme_driver *); |
171 | |
172 | |
173 | #endif /* _VME_H_ */ |
174 | |
175 |
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