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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, | |
8 | VME_DMA | |
9 | }; | |
10 | ||
11 | /* VME Address Spaces */ | |
12 | typedef u32 vme_address_t; | |
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 | typedef u32 vme_cycle_t; | |
32 | #define VME_SCT 0x1 | |
33 | #define VME_BLT 0x2 | |
34 | #define VME_MBLT 0x4 | |
35 | #define VME_2eVME 0x8 | |
36 | #define VME_2eSST 0x10 | |
37 | #define VME_2eSSTB 0x20 | |
38 | ||
39 | #define VME_2eSST160 0x100 | |
40 | #define VME_2eSST267 0x200 | |
41 | #define VME_2eSST320 0x400 | |
42 | ||
43 | #define VME_SUPER 0x1000 | |
44 | #define VME_USER 0x2000 | |
45 | #define VME_PROG 0x4000 | |
46 | #define VME_DATA 0x8000 | |
47 | ||
48 | /* VME Data Widths */ | |
49 | typedef u32 vme_width_t; | |
50 | #define VME_D8 0x1 | |
51 | #define VME_D16 0x2 | |
52 | #define VME_D32 0x4 | |
53 | #define VME_D64 0x8 | |
54 | ||
55 | /* Arbitration Scheduling Modes */ | |
56 | typedef u32 vme_arbitration_t; | |
57 | #define VME_R_ROBIN_MODE 0x1 | |
58 | #define VME_PRIORITY_MODE 0x2 | |
59 | ||
60 | typedef u32 vme_dma_t; | |
61 | #define VME_DMA_PATTERN (1<<0) | |
62 | #define VME_DMA_PCI (1<<1) | |
63 | #define VME_DMA_VME (1<<2) | |
64 | ||
65 | typedef u32 vme_pattern_t; | |
66 | #define VME_DMA_PATTERN_BYTE (1<<0) | |
67 | #define VME_DMA_PATTERN_WORD (1<<1) | |
68 | #define VME_DMA_PATTERN_INCREMENT (1<<2) | |
69 | ||
70 | struct vme_dma_attr { | |
71 | vme_dma_t type; | |
72 | void *private; | |
73 | }; | |
74 | ||
75 | struct vme_resource { | |
76 | enum vme_resource_type type; | |
77 | struct list_head *entry; | |
78 | }; | |
79 | ||
80 | extern struct bus_type vme_bus_type; | |
81 | ||
a37b0dad MW |
82 | #define VME_SLOT_CURRENT -1 |
83 | #define VME_SLOT_ALL -2 | |
84 | ||
a17a75e2 MW |
85 | struct vme_device_id { |
86 | int bus; | |
87 | int slot; | |
88 | }; | |
89 | ||
90 | struct vme_driver { | |
91 | struct list_head node; | |
92 | char *name; | |
93 | const struct vme_device_id *bind_table; | |
94 | int (*probe) (struct device *, int, int); | |
95 | int (*remove) (struct device *, int, int); | |
96 | void (*shutdown) (void); | |
97 | struct device_driver driver; | |
98 | }; | |
99 | ||
100 | void * vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); | |
101 | void vme_free_consistent(struct vme_resource *, size_t, void *, | |
102 | dma_addr_t); | |
103 | ||
104 | size_t vme_get_size(struct vme_resource *); | |
105 | ||
106 | struct vme_resource * vme_slave_request(struct device *, vme_address_t, vme_cycle_t); | |
107 | int vme_slave_set (struct vme_resource *, int, unsigned long long, | |
108 | unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t); | |
109 | int vme_slave_get (struct vme_resource *, int *, unsigned long long *, | |
110 | unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *); | |
111 | void vme_slave_free(struct vme_resource *); | |
112 | ||
113 | struct vme_resource * vme_master_request(struct device *, vme_address_t, vme_cycle_t, | |
114 | vme_width_t); | |
115 | int vme_master_set (struct vme_resource *, int, unsigned long long, | |
116 | unsigned long long, vme_address_t, vme_cycle_t, vme_width_t); | |
117 | int vme_master_get (struct vme_resource *, int *, unsigned long long *, | |
118 | unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *); | |
119 | ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); | |
120 | ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); | |
121 | unsigned int vme_master_rmw (struct vme_resource *, unsigned int, unsigned int, | |
122 | unsigned int, loff_t); | |
123 | void vme_master_free(struct vme_resource *); | |
124 | ||
125 | struct vme_resource *vme_request_dma(struct device *); | |
126 | struct vme_dma_list *vme_new_dma_list(struct vme_resource *); | |
127 | struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t); | |
128 | struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); | |
129 | struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t, | |
130 | vme_cycle_t, vme_width_t); | |
131 | void vme_dma_free_attribute(struct vme_dma_attr *); | |
132 | int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, | |
133 | struct vme_dma_attr *, size_t); | |
134 | int vme_dma_list_exec(struct vme_dma_list *); | |
135 | int vme_dma_list_free(struct vme_dma_list *); | |
136 | int vme_dma_free(struct vme_resource *); | |
137 | ||
138 | int vme_request_irq(struct device *, int, int, | |
139 | void (*callback)(int, int, void *), void *); | |
140 | void vme_free_irq(struct device *, int, int); | |
141 | int vme_generate_irq(struct device *, int, int); | |
142 | ||
143 | int vme_lm_set(struct device *, unsigned long long, vme_address_t, vme_cycle_t); | |
144 | int vme_lm_get(struct device *, unsigned long long *, vme_address_t *, | |
145 | vme_cycle_t *); | |
146 | int vme_lm_attach(struct device *, int, void (*callback)(int)); | |
147 | int vme_lm_detach(struct device *, int); | |
148 | ||
149 | int vme_slot_get(struct device *); | |
150 | ||
151 | int vme_register_driver (struct vme_driver *); | |
152 | void vme_unregister_driver (struct vme_driver *); | |
153 | ||
154 | ||
155 | #endif /* _VME_H_ */ | |
156 |