staging: vme: add struct vme_dev for VME devices
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / vme / vme.h
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1#ifndef _VME_H_
2#define _VME_H_
3
4/* Resource Type */
5enum vme_resource_type {
6 VME_MASTER,
7 VME_SLAVE,
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8 VME_DMA,
9 VME_LM
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10};
11
12/* VME Address Spaces */
13typedef u32 vme_address_t;
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 */
32typedef u32 vme_cycle_t;
33#define VME_SCT 0x1
34#define VME_BLT 0x2
35#define VME_MBLT 0x4
36#define VME_2eVME 0x8
37#define VME_2eSST 0x10
38#define VME_2eSSTB 0x20
39
40#define VME_2eSST160 0x100
41#define VME_2eSST267 0x200
42#define VME_2eSST320 0x400
43
44#define VME_SUPER 0x1000
45#define VME_USER 0x2000
46#define VME_PROG 0x4000
47#define VME_DATA 0x8000
48
49/* VME Data Widths */
50typedef u32 vme_width_t;
51#define VME_D8 0x1
52#define VME_D16 0x2
53#define VME_D32 0x4
54#define VME_D64 0x8
55
56/* Arbitration Scheduling Modes */
57typedef u32 vme_arbitration_t;
58#define VME_R_ROBIN_MODE 0x1
59#define VME_PRIORITY_MODE 0x2
60
61typedef u32 vme_dma_t;
62#define VME_DMA_PATTERN (1<<0)
63#define VME_DMA_PCI (1<<1)
64#define VME_DMA_VME (1<<2)
65
66typedef u32 vme_pattern_t;
67#define VME_DMA_PATTERN_BYTE (1<<0)
68#define VME_DMA_PATTERN_WORD (1<<1)
69#define VME_DMA_PATTERN_INCREMENT (1<<2)
70
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71typedef u32 vme_dma_route_t;
72#define VME_DMA_VME_TO_MEM (1<<0)
73#define VME_DMA_MEM_TO_VME (1<<1)
74#define VME_DMA_VME_TO_VME (1<<2)
75#define VME_DMA_MEM_TO_MEM (1<<3)
76#define VME_DMA_PATTERN_TO_VME (1<<4)
77#define VME_DMA_PATTERN_TO_MEM (1<<5)
78
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79struct vme_dma_attr {
80 vme_dma_t type;
81 void *private;
82};
83
84struct vme_resource {
85 enum vme_resource_type type;
86 struct list_head *entry;
87};
88
89extern struct bus_type vme_bus_type;
90
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91#define VME_SLOT_CURRENT -1
92#define VME_SLOT_ALL -2
93
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94/**
95 * VME device identifier structure
96 * @bus: The bus ID of the bus the device is on
97 * @slot: The slot this device is plugged into
98 */
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99struct vme_device_id {
100 int bus;
101 int slot;
102};
103
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104/**
105 * Structure representing a VME device
106 * @id: The ID of the device (currently the bus and slot number)
107 * @bridge: Pointer to the bridge device this device is on
108 * @dev: Internal device structure
109 */
110struct vme_dev {
111 struct vme_device_id id;
112 struct vme_bridge *bridge;
113 struct device dev;
114};
115
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116struct vme_driver {
117 struct list_head node;
584721ca 118 const char *name;
a17a75e2 119 const struct vme_device_id *bind_table;
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120 int (*probe) (struct vme_dev *);
121 int (*remove) (struct vme_dev *);
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122 void (*shutdown) (void);
123 struct device_driver driver;
124};
125
ead1f3e3 126void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
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127void vme_free_consistent(struct vme_resource *, size_t, void *,
128 dma_addr_t);
129
130size_t vme_get_size(struct vme_resource *);
131
8f966dc4 132struct vme_resource *vme_slave_request(struct vme_dev *, vme_address_t,
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133 vme_cycle_t);
134int vme_slave_set(struct vme_resource *, int, unsigned long long,
a17a75e2 135 unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t);
ead1f3e3 136int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
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137 unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *);
138void vme_slave_free(struct vme_resource *);
139
8f966dc4 140struct vme_resource *vme_master_request(struct vme_dev *, vme_address_t,
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141 vme_cycle_t, vme_width_t);
142int vme_master_set(struct vme_resource *, int, unsigned long long,
a17a75e2 143 unsigned long long, vme_address_t, vme_cycle_t, vme_width_t);
ead1f3e3 144int vme_master_get(struct vme_resource *, int *, unsigned long long *,
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145 unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *);
146ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
147ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
ead1f3e3 148unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
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149 unsigned int, loff_t);
150void vme_master_free(struct vme_resource *);
151
8f966dc4 152struct vme_resource *vme_dma_request(struct vme_dev *, vme_dma_route_t);
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153struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
154struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t);
155struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
156struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t,
157 vme_cycle_t, vme_width_t);
158void vme_dma_free_attribute(struct vme_dma_attr *);
159int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
160 struct vme_dma_attr *, size_t);
161int vme_dma_list_exec(struct vme_dma_list *);
162int vme_dma_list_free(struct vme_dma_list *);
163int vme_dma_free(struct vme_resource *);
164
8f966dc4 165int vme_irq_request(struct vme_dev *, int, int,
a17a75e2 166 void (*callback)(int, int, void *), void *);
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167void vme_irq_free(struct vme_dev *, int, int);
168int vme_irq_generate(struct vme_dev *, int, int);
a17a75e2 169
8f966dc4 170struct vme_resource * vme_lm_request(struct vme_dev *);
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171int vme_lm_count(struct vme_resource *);
172int vme_lm_set(struct vme_resource *, unsigned long long, vme_address_t,
173 vme_cycle_t);
174int vme_lm_get(struct vme_resource *, unsigned long long *, vme_address_t *,
a17a75e2 175 vme_cycle_t *);
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176int vme_lm_attach(struct vme_resource *, int, void (*callback)(int));
177int vme_lm_detach(struct vme_resource *, int);
178void vme_lm_free(struct vme_resource *);
a17a75e2 179
8f966dc4 180int vme_slot_get(struct vme_dev *);
a17a75e2 181
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182int vme_register_driver(struct vme_driver *);
183void vme_unregister_driver(struct vme_driver *);
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184
185
186#endif /* _VME_H_ */
187