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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
a17a75e2 MW |
2 | #ifndef _VME_H_ |
3 | #define _VME_H_ | |
4 | ||
5 | /* Resource Type */ | |
6 | enum vme_resource_type { | |
7 | VME_MASTER, | |
8 | VME_SLAVE, | |
42fb5031 MW |
9 | VME_DMA, |
10 | VME_LM | |
a17a75e2 MW |
11 | }; |
12 | ||
13 | /* VME Address Spaces */ | |
a17a75e2 MW |
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 */ | |
a17a75e2 MW |
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 */ | |
a17a75e2 MW |
49 | #define VME_D8 0x1 |
50 | #define VME_D16 0x2 | |
51 | #define VME_D32 0x4 | |
52 | #define VME_D64 0x8 | |
53 | ||
54 | /* Arbitration Scheduling Modes */ | |
a17a75e2 MW |
55 | #define VME_R_ROBIN_MODE 0x1 |
56 | #define VME_PRIORITY_MODE 0x2 | |
57 | ||
a17a75e2 MW |
58 | #define VME_DMA_PATTERN (1<<0) |
59 | #define VME_DMA_PCI (1<<1) | |
60 | #define VME_DMA_VME (1<<2) | |
61 | ||
a17a75e2 MW |
62 | #define VME_DMA_PATTERN_BYTE (1<<0) |
63 | #define VME_DMA_PATTERN_WORD (1<<1) | |
64 | #define VME_DMA_PATTERN_INCREMENT (1<<2) | |
65 | ||
4f723df4 MW |
66 | #define VME_DMA_VME_TO_MEM (1<<0) |
67 | #define VME_DMA_MEM_TO_VME (1<<1) | |
68 | #define VME_DMA_VME_TO_VME (1<<2) | |
69 | #define VME_DMA_MEM_TO_MEM (1<<3) | |
70 | #define VME_DMA_PATTERN_TO_VME (1<<4) | |
71 | #define VME_DMA_PATTERN_TO_MEM (1<<5) | |
72 | ||
a17a75e2 | 73 | struct vme_dma_attr { |
6af04b06 | 74 | u32 type; |
a17a75e2 MW |
75 | void *private; |
76 | }; | |
77 | ||
78 | struct vme_resource { | |
79 | enum vme_resource_type type; | |
80 | struct list_head *entry; | |
81 | }; | |
82 | ||
83 | extern struct bus_type vme_bus_type; | |
84 | ||
ad1bfe41 DK |
85 | /* Number of VME interrupt vectors */ |
86 | #define VME_NUM_STATUSID 256 | |
87 | ||
5d6abf37 MV |
88 | /* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */ |
89 | #define VME_MAX_BRIDGES (sizeof(unsigned int)*8) | |
90 | #define VME_MAX_SLOTS 32 | |
91 | ||
a37b0dad MW |
92 | #define VME_SLOT_CURRENT -1 |
93 | #define VME_SLOT_ALL -2 | |
94 | ||
8f966dc4 | 95 | /** |
b5bc980a | 96 | * struct vme_dev - Structure representing a VME device |
8cdc0819 | 97 | * @num: The device number |
8f966dc4 MV |
98 | * @bridge: Pointer to the bridge device this device is on |
99 | * @dev: Internal device structure | |
5d6abf37 MV |
100 | * @drv_list: List of devices (per driver) |
101 | * @bridge_list: List of devices (per bridge) | |
8f966dc4 MV |
102 | */ |
103 | struct vme_dev { | |
a916a391 | 104 | int num; |
8f966dc4 MV |
105 | struct vme_bridge *bridge; |
106 | struct device dev; | |
5d6abf37 MV |
107 | struct list_head drv_list; |
108 | struct list_head bridge_list; | |
8f966dc4 MV |
109 | }; |
110 | ||
b5bc980a MW |
111 | /** |
112 | * struct vme_driver - Structure representing a VME driver | |
113 | * @name: Driver name, should be unique among VME drivers and usually the same | |
114 | * as the module name. | |
115 | * @match: Callback used to determine whether probe should be run. | |
116 | * @probe: Callback for device binding, called when new device is detected. | |
117 | * @remove: Callback, called on device removal. | |
118 | * @driver: Underlying generic device driver structure. | |
119 | * @devices: List of VME devices (struct vme_dev) associated with this driver. | |
120 | */ | |
a17a75e2 | 121 | struct vme_driver { |
584721ca | 122 | const char *name; |
5d6abf37 MV |
123 | int (*match)(struct vme_dev *); |
124 | int (*probe)(struct vme_dev *); | |
2adc75fb | 125 | void (*remove)(struct vme_dev *); |
5d6abf37 MV |
126 | struct device_driver driver; |
127 | struct list_head devices; | |
a17a75e2 MW |
128 | }; |
129 | ||
ead1f3e3 | 130 | void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); |
a17a75e2 MW |
131 | void vme_free_consistent(struct vme_resource *, size_t, void *, |
132 | dma_addr_t); | |
133 | ||
134 | size_t vme_get_size(struct vme_resource *); | |
ef73f886 DK |
135 | int vme_check_window(u32 aspace, unsigned long long vme_base, |
136 | unsigned long long size); | |
a17a75e2 | 137 | |
6af04b06 | 138 | struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32); |
ead1f3e3 | 139 | int vme_slave_set(struct vme_resource *, int, unsigned long long, |
6af04b06 | 140 | unsigned long long, dma_addr_t, u32, u32); |
ead1f3e3 | 141 | int vme_slave_get(struct vme_resource *, int *, unsigned long long *, |
6af04b06 | 142 | unsigned long long *, dma_addr_t *, u32 *, u32 *); |
a17a75e2 MW |
143 | void vme_slave_free(struct vme_resource *); |
144 | ||
6af04b06 | 145 | struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32); |
ead1f3e3 | 146 | int vme_master_set(struct vme_resource *, int, unsigned long long, |
6af04b06 | 147 | unsigned long long, u32, u32, u32); |
ead1f3e3 | 148 | int vme_master_get(struct vme_resource *, int *, unsigned long long *, |
6af04b06 | 149 | unsigned long long *, u32 *, u32 *, u32 *); |
a17a75e2 MW |
150 | ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); |
151 | ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); | |
ead1f3e3 | 152 | unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int, |
a17a75e2 | 153 | unsigned int, loff_t); |
c74a804f | 154 | int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma); |
a17a75e2 MW |
155 | void vme_master_free(struct vme_resource *); |
156 | ||
6af04b06 | 157 | struct vme_resource *vme_dma_request(struct vme_dev *, u32); |
a17a75e2 | 158 | struct vme_dma_list *vme_new_dma_list(struct vme_resource *); |
6af04b06 | 159 | struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32); |
a17a75e2 | 160 | struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); |
6af04b06 | 161 | struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32); |
a17a75e2 MW |
162 | void vme_dma_free_attribute(struct vme_dma_attr *); |
163 | int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, | |
164 | struct vme_dma_attr *, size_t); | |
165 | int vme_dma_list_exec(struct vme_dma_list *); | |
166 | int vme_dma_list_free(struct vme_dma_list *); | |
167 | int vme_dma_free(struct vme_resource *); | |
168 | ||
8f966dc4 | 169 | int vme_irq_request(struct vme_dev *, int, int, |
a17a75e2 | 170 | void (*callback)(int, int, void *), void *); |
8f966dc4 MV |
171 | void vme_irq_free(struct vme_dev *, int, int); |
172 | int vme_irq_generate(struct vme_dev *, int, int); | |
a17a75e2 | 173 | |
77974a30 | 174 | struct vme_resource *vme_lm_request(struct vme_dev *); |
42fb5031 | 175 | int vme_lm_count(struct vme_resource *); |
6af04b06 MW |
176 | int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32); |
177 | int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *); | |
fa54b326 | 178 | int vme_lm_attach(struct vme_resource *, int, void (*callback)(void *), void *); |
42fb5031 MW |
179 | int vme_lm_detach(struct vme_resource *, int); |
180 | void vme_lm_free(struct vme_resource *); | |
a17a75e2 | 181 | |
d7729f0f | 182 | int vme_slot_num(struct vme_dev *); |
978f47d6 | 183 | int vme_bus_num(struct vme_dev *); |
a17a75e2 | 184 | |
5d6abf37 | 185 | int vme_register_driver(struct vme_driver *, unsigned int); |
ead1f3e3 | 186 | void vme_unregister_driver(struct vme_driver *); |
a17a75e2 MW |
187 | |
188 | ||
189 | #endif /* _VME_H_ */ | |
190 |