Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
1#ifndef _VME_H_
2#define _VME_H_
3
4/* Resource Type */
5enum 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
72struct vme_dma_attr {
73 u32 type;
74 void *private;
75};
76
77struct vme_resource {
78 enum vme_resource_type type;
79 struct list_head *entry;
80};
81
82extern 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 * 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 */
102struct 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
110struct vme_driver {
111 struct list_head node;
112 const char *name;
113 int (*match)(struct vme_dev *);
114 int (*probe)(struct vme_dev *);
115 int (*remove)(struct vme_dev *);
116 void (*shutdown)(void);
117 struct device_driver driver;
118 struct list_head devices;
119};
120
121void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
122void vme_free_consistent(struct vme_resource *, size_t, void *,
123 dma_addr_t);
124
125size_t vme_get_size(struct vme_resource *);
126int vme_check_window(u32 aspace, unsigned long long vme_base,
127 unsigned long long size);
128
129struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32);
130int vme_slave_set(struct vme_resource *, int, unsigned long long,
131 unsigned long long, dma_addr_t, u32, u32);
132int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
133 unsigned long long *, dma_addr_t *, u32 *, u32 *);
134void vme_slave_free(struct vme_resource *);
135
136struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32);
137int vme_master_set(struct vme_resource *, int, unsigned long long,
138 unsigned long long, u32, u32, u32);
139int vme_master_get(struct vme_resource *, int *, unsigned long long *,
140 unsigned long long *, u32 *, u32 *, u32 *);
141ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
142ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
143unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
144 unsigned int, loff_t);
145int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma);
146void vme_master_free(struct vme_resource *);
147
148struct vme_resource *vme_dma_request(struct vme_dev *, u32);
149struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
150struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32);
151struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
152struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32);
153void vme_dma_free_attribute(struct vme_dma_attr *);
154int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
155 struct vme_dma_attr *, size_t);
156int vme_dma_list_exec(struct vme_dma_list *);
157int vme_dma_list_free(struct vme_dma_list *);
158int vme_dma_free(struct vme_resource *);
159
160int vme_irq_request(struct vme_dev *, int, int,
161 void (*callback)(int, int, void *), void *);
162void vme_irq_free(struct vme_dev *, int, int);
163int vme_irq_generate(struct vme_dev *, int, int);
164
165struct vme_resource *vme_lm_request(struct vme_dev *);
166int vme_lm_count(struct vme_resource *);
167int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32);
168int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *);
169int vme_lm_attach(struct vme_resource *, int, void (*callback)(int));
170int vme_lm_detach(struct vme_resource *, int);
171void vme_lm_free(struct vme_resource *);
172
173int vme_slot_num(struct vme_dev *);
174int vme_bus_num(struct vme_dev *);
175
176int vme_register_driver(struct vme_driver *, unsigned int);
177void vme_unregister_driver(struct vme_driver *);
178
179
180#endif /* _VME_H_ */
181