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a17a75e2 MW |
1 | #ifndef _VME_BRIDGE_H_ |
2 | #define _VME_BRIDGE_H_ | |
3 | ||
4 | #define VME_CRCSR_BUF_SIZE (508*1024) | |
a17a75e2 MW |
5 | /* |
6 | * Resource structures | |
7 | */ | |
8 | struct vme_master_resource { | |
9 | struct list_head list; | |
10 | struct vme_bridge *parent; | |
11 | /* | |
12 | * We are likely to need to access the VME bus in interrupt context, so | |
400822fe | 13 | * protect master routines with a spinlock rather than a mutex. |
a17a75e2 MW |
14 | */ |
15 | spinlock_t lock; | |
16 | int locked; | |
17 | int number; | |
6af04b06 MW |
18 | u32 address_attr; |
19 | u32 cycle_attr; | |
20 | u32 width_attr; | |
8fafb476 | 21 | struct resource bus_resource; |
05997267 | 22 | void __iomem *kern_base; |
a17a75e2 MW |
23 | }; |
24 | ||
25 | struct vme_slave_resource { | |
26 | struct list_head list; | |
27 | struct vme_bridge *parent; | |
400822fe | 28 | struct mutex mtx; |
a17a75e2 MW |
29 | int locked; |
30 | int number; | |
6af04b06 MW |
31 | u32 address_attr; |
32 | u32 cycle_attr; | |
a17a75e2 MW |
33 | }; |
34 | ||
35 | struct vme_dma_pattern { | |
36 | u32 pattern; | |
6af04b06 | 37 | u32 type; |
a17a75e2 MW |
38 | }; |
39 | ||
40 | struct vme_dma_pci { | |
41 | dma_addr_t address; | |
42 | }; | |
43 | ||
44 | struct vme_dma_vme { | |
45 | unsigned long long address; | |
6af04b06 MW |
46 | u32 aspace; |
47 | u32 cycle; | |
48 | u32 dwidth; | |
a17a75e2 MW |
49 | }; |
50 | ||
51 | struct vme_dma_list { | |
52 | struct list_head list; | |
53 | struct vme_dma_resource *parent; | |
54 | struct list_head entries; | |
400822fe | 55 | struct mutex mtx; |
a17a75e2 MW |
56 | }; |
57 | ||
58 | struct vme_dma_resource { | |
59 | struct list_head list; | |
60 | struct vme_bridge *parent; | |
400822fe | 61 | struct mutex mtx; |
a17a75e2 MW |
62 | int locked; |
63 | int number; | |
64 | struct list_head pending; | |
65 | struct list_head running; | |
6af04b06 | 66 | u32 route_attr; |
a17a75e2 MW |
67 | }; |
68 | ||
42fb5031 MW |
69 | struct vme_lm_resource { |
70 | struct list_head list; | |
71 | struct vme_bridge *parent; | |
72 | struct mutex mtx; | |
73 | int locked; | |
74 | int number; | |
75 | int monitors; | |
76 | }; | |
77 | ||
a17a75e2 MW |
78 | struct vme_bus_error { |
79 | struct list_head list; | |
80 | unsigned long long address; | |
81 | u32 attributes; | |
82 | }; | |
83 | ||
84 | struct vme_callback { | |
85 | void (*func)(int, int, void*); | |
86 | void *priv_data; | |
87 | }; | |
88 | ||
89 | struct vme_irq { | |
90 | int count; | |
91 | struct vme_callback callback[255]; | |
92 | }; | |
93 | ||
94 | /* Allow 16 characters for name (including null character) */ | |
95 | #define VMENAMSIZ 16 | |
96 | ||
97 | /* This structure stores all the information about one bridge | |
98 | * The structure should be dynamically allocated by the driver and one instance | |
99 | * of the structure should be present for each VME chip present in the system. | |
a17a75e2 MW |
100 | */ |
101 | struct vme_bridge { | |
ead1f3e3 | 102 | char name[VMENAMSIZ]; |
a17a75e2 MW |
103 | int num; |
104 | struct list_head master_resources; | |
105 | struct list_head slave_resources; | |
106 | struct list_head dma_resources; | |
42fb5031 | 107 | struct list_head lm_resources; |
a17a75e2 MW |
108 | |
109 | struct list_head vme_errors; /* List for errors generated on VME */ | |
5d6abf37 | 110 | struct list_head devices; /* List of devices on this bridge */ |
a17a75e2 MW |
111 | |
112 | /* Bridge Info - XXX Move to private structure? */ | |
7f58f025 | 113 | struct device *parent; /* Parent device (eg. pdev->dev for PCI) */ |
29848ac9 | 114 | void *driver_priv; /* Private pointer for the bridge driver */ |
733e3ef0 | 115 | struct list_head bus_list; /* list of VME buses */ |
a17a75e2 | 116 | |
a17a75e2 MW |
117 | /* Interrupt callbacks */ |
118 | struct vme_irq irq[7]; | |
c813f592 MW |
119 | /* Locking for VME irq callback configuration */ |
120 | struct mutex irq_mtx; | |
a17a75e2 MW |
121 | |
122 | /* Slave Functions */ | |
123 | int (*slave_get) (struct vme_slave_resource *, int *, | |
124 | unsigned long long *, unsigned long long *, dma_addr_t *, | |
6af04b06 | 125 | u32 *, u32 *); |
a17a75e2 | 126 | int (*slave_set) (struct vme_slave_resource *, int, unsigned long long, |
6af04b06 | 127 | unsigned long long, dma_addr_t, u32, u32); |
a17a75e2 MW |
128 | |
129 | /* Master Functions */ | |
130 | int (*master_get) (struct vme_master_resource *, int *, | |
6af04b06 MW |
131 | unsigned long long *, unsigned long long *, u32 *, u32 *, |
132 | u32 *); | |
a17a75e2 | 133 | int (*master_set) (struct vme_master_resource *, int, |
6af04b06 | 134 | unsigned long long, unsigned long long, u32, u32, u32); |
a17a75e2 MW |
135 | ssize_t (*master_read) (struct vme_master_resource *, void *, size_t, |
136 | loff_t); | |
137 | ssize_t (*master_write) (struct vme_master_resource *, void *, size_t, | |
138 | loff_t); | |
139 | unsigned int (*master_rmw) (struct vme_master_resource *, unsigned int, | |
140 | unsigned int, unsigned int, loff_t); | |
141 | ||
142 | /* DMA Functions */ | |
143 | int (*dma_list_add) (struct vme_dma_list *, struct vme_dma_attr *, | |
144 | struct vme_dma_attr *, size_t); | |
145 | int (*dma_list_exec) (struct vme_dma_list *); | |
146 | int (*dma_list_empty) (struct vme_dma_list *); | |
147 | ||
148 | /* Interrupt Functions */ | |
29848ac9 MW |
149 | void (*irq_set) (struct vme_bridge *, int, int, int); |
150 | int (*irq_generate) (struct vme_bridge *, int, int); | |
a17a75e2 MW |
151 | |
152 | /* Location monitor functions */ | |
6af04b06 MW |
153 | int (*lm_set) (struct vme_lm_resource *, unsigned long long, u32, u32); |
154 | int (*lm_get) (struct vme_lm_resource *, unsigned long long *, u32 *, | |
155 | u32 *); | |
42fb5031 MW |
156 | int (*lm_attach) (struct vme_lm_resource *, int, void (*callback)(int)); |
157 | int (*lm_detach) (struct vme_lm_resource *, int); | |
a17a75e2 MW |
158 | |
159 | /* CR/CSR space functions */ | |
29848ac9 | 160 | int (*slot_get) (struct vme_bridge *); |
7f58f025 MV |
161 | |
162 | /* Bridge parent interface */ | |
163 | void *(*alloc_consistent)(struct device *dev, size_t size, | |
164 | dma_addr_t *dma); | |
165 | void (*free_consistent)(struct device *dev, size_t size, | |
166 | void *vaddr, dma_addr_t dma); | |
a17a75e2 MW |
167 | }; |
168 | ||
c813f592 MW |
169 | void vme_irq_handler(struct vme_bridge *, int, int); |
170 | ||
ead1f3e3 MW |
171 | int vme_register_bridge(struct vme_bridge *); |
172 | void vme_unregister_bridge(struct vme_bridge *); | |
a17a75e2 MW |
173 | |
174 | #endif /* _VME_BRIDGE_H_ */ |