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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 | /* Number of VME interrupt vectors */ | |
85 | #define VME_NUM_STATUSID 256 | |
86 | ||
87 | /* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */ | |
88 | #define VME_MAX_BRIDGES (sizeof(unsigned int)*8) | |
89 | #define VME_MAX_SLOTS 32 | |
90 | ||
91 | #define VME_SLOT_CURRENT -1 | |
92 | #define VME_SLOT_ALL -2 | |
93 | ||
94 | /** | |
95 | * struct vme_dev - Structure representing a VME device | |
96 | * @num: The device number | |
97 | * @bridge: Pointer to the bridge device this device is on | |
98 | * @dev: Internal device structure | |
99 | * @drv_list: List of devices (per driver) | |
100 | * @bridge_list: List of devices (per bridge) | |
101 | */ | |
102 | struct vme_dev { | |
103 | int num; | |
104 | struct vme_bridge *bridge; | |
105 | struct device dev; | |
106 | struct list_head drv_list; | |
107 | struct list_head bridge_list; | |
108 | }; | |
109 | ||
110 | /** | |
111 | * struct vme_driver - Structure representing a VME driver | |
112 | * @name: Driver name, should be unique among VME drivers and usually the same | |
113 | * as the module name. | |
114 | * @match: Callback used to determine whether probe should be run. | |
115 | * @probe: Callback for device binding, called when new device is detected. | |
116 | * @remove: Callback, called on device removal. | |
117 | * @driver: Underlying generic device driver structure. | |
118 | * @devices: List of VME devices (struct vme_dev) associated with this driver. | |
119 | */ | |
120 | struct vme_driver { | |
121 | const char *name; | |
122 | int (*match)(struct vme_dev *); | |
123 | int (*probe)(struct vme_dev *); | |
124 | int (*remove)(struct vme_dev *); | |
125 | struct device_driver driver; | |
126 | struct list_head devices; | |
127 | }; | |
128 | ||
129 | void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); | |
130 | void vme_free_consistent(struct vme_resource *, size_t, void *, | |
131 | dma_addr_t); | |
132 | ||
133 | size_t vme_get_size(struct vme_resource *); | |
134 | int vme_check_window(u32 aspace, unsigned long long vme_base, | |
135 | unsigned long long size); | |
136 | ||
137 | struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32); | |
138 | int vme_slave_set(struct vme_resource *, int, unsigned long long, | |
139 | unsigned long long, dma_addr_t, u32, u32); | |
140 | int vme_slave_get(struct vme_resource *, int *, unsigned long long *, | |
141 | unsigned long long *, dma_addr_t *, u32 *, u32 *); | |
142 | void vme_slave_free(struct vme_resource *); | |
143 | ||
144 | struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32); | |
145 | int vme_master_set(struct vme_resource *, int, unsigned long long, | |
146 | unsigned long long, u32, u32, u32); | |
147 | int vme_master_get(struct vme_resource *, int *, unsigned long long *, | |
148 | unsigned long long *, u32 *, u32 *, u32 *); | |
149 | ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); | |
150 | ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); | |
151 | unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int, | |
152 | unsigned int, loff_t); | |
153 | int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma); | |
154 | void vme_master_free(struct vme_resource *); | |
155 | ||
156 | struct vme_resource *vme_dma_request(struct vme_dev *, u32); | |
157 | struct vme_dma_list *vme_new_dma_list(struct vme_resource *); | |
158 | struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32); | |
159 | struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); | |
160 | struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32); | |
161 | void vme_dma_free_attribute(struct vme_dma_attr *); | |
162 | int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, | |
163 | struct vme_dma_attr *, size_t); | |
164 | int vme_dma_list_exec(struct vme_dma_list *); | |
165 | int vme_dma_list_free(struct vme_dma_list *); | |
166 | int vme_dma_free(struct vme_resource *); | |
167 | ||
168 | int vme_irq_request(struct vme_dev *, int, int, | |
169 | void (*callback)(int, int, void *), void *); | |
170 | void vme_irq_free(struct vme_dev *, int, int); | |
171 | int vme_irq_generate(struct vme_dev *, int, int); | |
172 | ||
173 | struct vme_resource *vme_lm_request(struct vme_dev *); | |
174 | int vme_lm_count(struct vme_resource *); | |
175 | int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32); | |
176 | int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *); | |
177 | int vme_lm_attach(struct vme_resource *, int, void (*callback)(void *), void *); | |
178 | int vme_lm_detach(struct vme_resource *, int); | |
179 | void vme_lm_free(struct vme_resource *); | |
180 | ||
181 | int vme_slot_num(struct vme_dev *); | |
182 | int vme_bus_num(struct vme_dev *); | |
183 | ||
184 | int vme_register_driver(struct vme_driver *, unsigned int); | |
185 | void vme_unregister_driver(struct vme_driver *); | |
186 | ||
187 | ||
188 | #endif /* _VME_H_ */ | |
189 |