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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_num(struct vme_dev *);
168 int vme_bus_num(struct vme_dev *);
169
170 int vme_register_driver(struct vme_driver *, unsigned int);
171 void vme_unregister_driver(struct vme_driver *);
172
173
174 #endif /* _VME_H_ */
175