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a17a75e2 MW |
1 | #ifndef _VME_BRIDGE_H_ |
2 | #define _VME_BRIDGE_H_ | |
3 | ||
ad1bfe41 DK |
4 | #include <linux/vme.h> |
5 | ||
a17a75e2 | 6 | #define VME_CRCSR_BUF_SIZE (508*1024) |
a17a75e2 MW |
7 | /* |
8 | * Resource structures | |
9 | */ | |
10 | struct vme_master_resource { | |
11 | struct list_head list; | |
12 | struct vme_bridge *parent; | |
13 | /* | |
14 | * We are likely to need to access the VME bus in interrupt context, so | |
400822fe | 15 | * protect master routines with a spinlock rather than a mutex. |
a17a75e2 MW |
16 | */ |
17 | spinlock_t lock; | |
18 | int locked; | |
19 | int number; | |
6af04b06 MW |
20 | u32 address_attr; |
21 | u32 cycle_attr; | |
22 | u32 width_attr; | |
8fafb476 | 23 | struct resource bus_resource; |
05997267 | 24 | void __iomem *kern_base; |
a17a75e2 MW |
25 | }; |
26 | ||
27 | struct vme_slave_resource { | |
28 | struct list_head list; | |
29 | struct vme_bridge *parent; | |
400822fe | 30 | struct mutex mtx; |
a17a75e2 MW |
31 | int locked; |
32 | int number; | |
6af04b06 MW |
33 | u32 address_attr; |
34 | u32 cycle_attr; | |
a17a75e2 MW |
35 | }; |
36 | ||
37 | struct vme_dma_pattern { | |
38 | u32 pattern; | |
6af04b06 | 39 | u32 type; |
a17a75e2 MW |
40 | }; |
41 | ||
42 | struct vme_dma_pci { | |
43 | dma_addr_t address; | |
44 | }; | |
45 | ||
46 | struct vme_dma_vme { | |
47 | unsigned long long address; | |
6af04b06 MW |
48 | u32 aspace; |
49 | u32 cycle; | |
50 | u32 dwidth; | |
a17a75e2 MW |
51 | }; |
52 | ||
53 | struct vme_dma_list { | |
54 | struct list_head list; | |
55 | struct vme_dma_resource *parent; | |
56 | struct list_head entries; | |
400822fe | 57 | struct mutex mtx; |
a17a75e2 MW |
58 | }; |
59 | ||
60 | struct vme_dma_resource { | |
61 | struct list_head list; | |
62 | struct vme_bridge *parent; | |
400822fe | 63 | struct mutex mtx; |
a17a75e2 MW |
64 | int locked; |
65 | int number; | |
66 | struct list_head pending; | |
67 | struct list_head running; | |
6af04b06 | 68 | u32 route_attr; |
a17a75e2 MW |
69 | }; |
70 | ||
42fb5031 MW |
71 | struct vme_lm_resource { |
72 | struct list_head list; | |
73 | struct vme_bridge *parent; | |
74 | struct mutex mtx; | |
75 | int locked; | |
76 | int number; | |
77 | int monitors; | |
78 | }; | |
79 | ||
0b049662 | 80 | struct vme_error_handler { |
a17a75e2 | 81 | struct list_head list; |
0b049662 DK |
82 | unsigned long long start; /* Beginning of error window */ |
83 | unsigned long long end; /* End of error window */ | |
84 | unsigned long long first_error; /* Address of the first error */ | |
85 | u32 aspace; /* Address space of error window*/ | |
86 | unsigned num_errors; /* Number of errors */ | |
a17a75e2 MW |
87 | }; |
88 | ||
89 | struct vme_callback { | |
90 | void (*func)(int, int, void*); | |
91 | void *priv_data; | |
92 | }; | |
93 | ||
94 | struct vme_irq { | |
95 | int count; | |
ad1bfe41 | 96 | struct vme_callback callback[VME_NUM_STATUSID]; |
a17a75e2 MW |
97 | }; |
98 | ||
99 | /* Allow 16 characters for name (including null character) */ | |
100 | #define VMENAMSIZ 16 | |
101 | ||
102 | /* This structure stores all the information about one bridge | |
103 | * The structure should be dynamically allocated by the driver and one instance | |
104 | * of the structure should be present for each VME chip present in the system. | |
a17a75e2 MW |
105 | */ |
106 | struct vme_bridge { | |
ead1f3e3 | 107 | char name[VMENAMSIZ]; |
a17a75e2 MW |
108 | int num; |
109 | struct list_head master_resources; | |
110 | struct list_head slave_resources; | |
111 | struct list_head dma_resources; | |
42fb5031 | 112 | struct list_head lm_resources; |
a17a75e2 | 113 | |
0b049662 DK |
114 | /* List for registered errors handlers */ |
115 | struct list_head vme_error_handlers; | |
116 | /* List of devices on this bridge */ | |
117 | struct list_head devices; | |
a17a75e2 MW |
118 | |
119 | /* Bridge Info - XXX Move to private structure? */ | |
7f58f025 | 120 | struct device *parent; /* Parent device (eg. pdev->dev for PCI) */ |
29848ac9 | 121 | void *driver_priv; /* Private pointer for the bridge driver */ |
733e3ef0 | 122 | struct list_head bus_list; /* list of VME buses */ |
a17a75e2 | 123 | |
a17a75e2 MW |
124 | /* Interrupt callbacks */ |
125 | struct vme_irq irq[7]; | |
c813f592 MW |
126 | /* Locking for VME irq callback configuration */ |
127 | struct mutex irq_mtx; | |
a17a75e2 MW |
128 | |
129 | /* Slave Functions */ | |
130 | int (*slave_get) (struct vme_slave_resource *, int *, | |
131 | unsigned long long *, unsigned long long *, dma_addr_t *, | |
6af04b06 | 132 | u32 *, u32 *); |
a17a75e2 | 133 | int (*slave_set) (struct vme_slave_resource *, int, unsigned long long, |
6af04b06 | 134 | unsigned long long, dma_addr_t, u32, u32); |
a17a75e2 MW |
135 | |
136 | /* Master Functions */ | |
137 | int (*master_get) (struct vme_master_resource *, int *, | |
6af04b06 MW |
138 | unsigned long long *, unsigned long long *, u32 *, u32 *, |
139 | u32 *); | |
a17a75e2 | 140 | int (*master_set) (struct vme_master_resource *, int, |
6af04b06 | 141 | unsigned long long, unsigned long long, u32, u32, u32); |
a17a75e2 MW |
142 | ssize_t (*master_read) (struct vme_master_resource *, void *, size_t, |
143 | loff_t); | |
144 | ssize_t (*master_write) (struct vme_master_resource *, void *, size_t, | |
145 | loff_t); | |
146 | unsigned int (*master_rmw) (struct vme_master_resource *, unsigned int, | |
147 | unsigned int, unsigned int, loff_t); | |
148 | ||
149 | /* DMA Functions */ | |
150 | int (*dma_list_add) (struct vme_dma_list *, struct vme_dma_attr *, | |
151 | struct vme_dma_attr *, size_t); | |
152 | int (*dma_list_exec) (struct vme_dma_list *); | |
153 | int (*dma_list_empty) (struct vme_dma_list *); | |
154 | ||
155 | /* Interrupt Functions */ | |
29848ac9 MW |
156 | void (*irq_set) (struct vme_bridge *, int, int, int); |
157 | int (*irq_generate) (struct vme_bridge *, int, int); | |
a17a75e2 MW |
158 | |
159 | /* Location monitor functions */ | |
6af04b06 MW |
160 | int (*lm_set) (struct vme_lm_resource *, unsigned long long, u32, u32); |
161 | int (*lm_get) (struct vme_lm_resource *, unsigned long long *, u32 *, | |
162 | u32 *); | |
42fb5031 MW |
163 | int (*lm_attach) (struct vme_lm_resource *, int, void (*callback)(int)); |
164 | int (*lm_detach) (struct vme_lm_resource *, int); | |
a17a75e2 MW |
165 | |
166 | /* CR/CSR space functions */ | |
29848ac9 | 167 | int (*slot_get) (struct vme_bridge *); |
7f58f025 MV |
168 | |
169 | /* Bridge parent interface */ | |
170 | void *(*alloc_consistent)(struct device *dev, size_t size, | |
171 | dma_addr_t *dma); | |
172 | void (*free_consistent)(struct device *dev, size_t size, | |
173 | void *vaddr, dma_addr_t dma); | |
a17a75e2 MW |
174 | }; |
175 | ||
e2c6393f | 176 | void vme_bus_error_handler(struct vme_bridge *bridge, |
472f16f3 | 177 | unsigned long long address, int am); |
c813f592 MW |
178 | void vme_irq_handler(struct vme_bridge *, int, int); |
179 | ||
326071b3 | 180 | struct vme_bridge *vme_init_bridge(struct vme_bridge *); |
ead1f3e3 MW |
181 | int vme_register_bridge(struct vme_bridge *); |
182 | void vme_unregister_bridge(struct vme_bridge *); | |
0b049662 DK |
183 | struct vme_error_handler *vme_register_error_handler( |
184 | struct vme_bridge *bridge, u32 aspace, | |
185 | unsigned long long address, size_t len); | |
186 | void vme_unregister_error_handler(struct vme_error_handler *handler); | |
a17a75e2 MW |
187 | |
188 | #endif /* _VME_BRIDGE_H_ */ |