aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/vme/vme.h
blob: 5a4d163fae104d8de7c0486dca95bb68a570a5b7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
#ifndef _VME_H_
#define _VME_H_

/* Resource Type */
enum vme_resource_type {
	VME_MASTER,
	VME_SLAVE,
	VME_DMA,
	VME_LM
};

/* VME Address Spaces */
typedef u32 vme_address_t;
#define VME_A16		0x1
#define VME_A24		0x2
#define	VME_A32		0x4
#define VME_A64		0x8
#define VME_CRCSR	0x10
#define VME_USER1	0x20
#define VME_USER2	0x40
#define VME_USER3	0x80
#define VME_USER4	0x100

#define VME_A16_MAX	0x10000ULL
#define VME_A24_MAX	0x1000000ULL
#define VME_A32_MAX	0x100000000ULL
#define VME_A64_MAX	0x10000000000000000ULL
#define VME_CRCSR_MAX	0x1000000ULL


/* VME Cycle Types */
typedef u32 vme_cycle_t;
#define VME_SCT		0x1
#define VME_BLT		0x2
#define VME_MBLT	0x4
#define VME_2eVME	0x8
#define VME_2eSST	0x10
#define VME_2eSSTB	0x20

#define VME_2eSST160	0x100
#define VME_2eSST267	0x200
#define VME_2eSST320	0x400

#define	VME_SUPER	0x1000
#define	VME_USER	0x2000
#define	VME_PROG	0x4000
#define	VME_DATA	0x8000

/* VME Data Widths */
typedef u32 vme_width_t;
#define VME_D8		0x1
#define VME_D16		0x2
#define VME_D32		0x4
#define VME_D64		0x8

/* Arbitration Scheduling Modes */
typedef u32 vme_arbitration_t;
#define VME_R_ROBIN_MODE	0x1
#define VME_PRIORITY_MODE	0x2

typedef u32 vme_dma_t;
#define VME_DMA_PATTERN			(1<<0)
#define VME_DMA_PCI			(1<<1)
#define VME_DMA_VME			(1<<2)

typedef u32 vme_pattern_t;
#define VME_DMA_PATTERN_BYTE		(1<<0)
#define VME_DMA_PATTERN_WORD		(1<<1)
#define VME_DMA_PATTERN_INCREMENT	(1<<2)

struct vme_dma_attr {
	vme_dma_t type;
	void *private;
};

struct vme_resource {
	enum vme_resource_type type;
	struct list_head *entry;
};

extern struct bus_type vme_bus_type;

#define VME_SLOT_CURRENT	-1
#define VME_SLOT_ALL		-2

struct vme_device_id {
	int bus;
	int slot;
};

struct vme_driver {
	struct list_head node;
	char *name;
	const struct vme_device_id *bind_table;
	int (*probe)  (struct device *, int, int);
	int (*remove) (struct device *, int, int);
	void (*shutdown) (void);
	struct device_driver    driver;
};

void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
void vme_free_consistent(struct vme_resource *, size_t,  void *,
	dma_addr_t);

size_t vme_get_size(struct vme_resource *);

struct vme_resource *vme_slave_request(struct device *, vme_address_t,
	vme_cycle_t);
int vme_slave_set(struct vme_resource *, int, unsigned long long,
	unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t);
int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
	unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *);
void vme_slave_free(struct vme_resource *);

struct vme_resource *vme_master_request(struct device *, vme_address_t,
	vme_cycle_t, vme_width_t);
int vme_master_set(struct vme_resource *, int, unsigned long long,
	unsigned long long, vme_address_t, vme_cycle_t, vme_width_t);
int vme_master_get(struct vme_resource *, int *, unsigned long long *,
	unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *);
ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
	unsigned int, loff_t);
void vme_master_free(struct vme_resource *);

struct vme_resource *vme_dma_request(struct device *);
struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t);
struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t,
	vme_cycle_t, vme_width_t);
void vme_dma_free_attribute(struct vme_dma_attr *);
int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
	struct vme_dma_attr *, size_t);
int vme_dma_list_exec(struct vme_dma_list *);
int vme_dma_list_free(struct vme_dma_list *);
int vme_dma_free(struct vme_resource *);

int vme_irq_request(struct device *, int, int,
	void (*callback)(int, int, void *), void *);
void vme_irq_free(struct device *, int, int);
int vme_irq_generate(struct device *, int, int);

struct vme_resource * vme_lm_request(struct device *);
int vme_lm_count(struct vme_resource *);
int vme_lm_set(struct vme_resource *, unsigned long long, vme_address_t,
	vme_cycle_t);
int vme_lm_get(struct vme_resource *, unsigned long long *, vme_address_t *,
	vme_cycle_t *);
int vme_lm_attach(struct vme_resource *, int, void (*callback)(int));
int vme_lm_detach(struct vme_resource *, int);
void vme_lm_free(struct vme_resource *);

int vme_slot_get(struct device *);

int vme_register_driver(struct vme_driver *);
void vme_unregister_driver(struct vme_driver *);


#endif /* _VME_H_ */