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/* 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 */
99struct 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
107struct 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
118void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
119void vme_free_consistent(struct vme_resource *, size_t,  void *,
120	dma_addr_t);
121
122size_t vme_get_size(struct vme_resource *);
123
124struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32);
125int vme_slave_set(struct vme_resource *, int, unsigned long long,
126	unsigned long long, dma_addr_t, u32, u32);
127int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
128	unsigned long long *, dma_addr_t *, u32 *, u32 *);
129void vme_slave_free(struct vme_resource *);
130
131struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32);
132int vme_master_set(struct vme_resource *, int, unsigned long long,
133	unsigned long long, u32, u32, u32);
134int vme_master_get(struct vme_resource *, int *, unsigned long long *,
135	unsigned long long *, u32 *, u32 *, u32 *);
136ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
137ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
138unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
139	unsigned int, loff_t);
140void vme_master_free(struct vme_resource *);
141
142struct vme_resource *vme_dma_request(struct vme_dev *, u32);
143struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
144struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32);
145struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
146struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32);
147void vme_dma_free_attribute(struct vme_dma_attr *);
148int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
149	struct vme_dma_attr *, size_t);
150int vme_dma_list_exec(struct vme_dma_list *);
151int vme_dma_list_free(struct vme_dma_list *);
152int vme_dma_free(struct vme_resource *);
153
154int vme_irq_request(struct vme_dev *, int, int,
155	void (*callback)(int, int, void *), void *);
156void vme_irq_free(struct vme_dev *, int, int);
157int vme_irq_generate(struct vme_dev *, int, int);
158
159struct vme_resource *vme_lm_request(struct vme_dev *);
160int vme_lm_count(struct vme_resource *);
161int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32);
162int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *);
163int vme_lm_attach(struct vme_resource *, int, void (*callback)(int));
164int vme_lm_detach(struct vme_resource *, int);
165void vme_lm_free(struct vme_resource *);
166
167int vme_slot_get(struct vme_dev *);
168
169int vme_register_driver(struct vme_driver *, unsigned int);
170void vme_unregister_driver(struct vme_driver *);
171
172
173#endif /* _VME_H_ */
174
175