4 #define VME_CRCSR_BUF_SIZE (508*1024)
5 #define VME_SLOTS_MAX 32
9 struct vme_master_resource
{
10 struct list_head list
;
11 struct vme_bridge
*parent
;
13 * We are likely to need to access the VME bus in interrupt context, so
14 * protect master routines with a spinlock rather than a mutex.
19 vme_address_t address_attr
;
20 vme_cycle_t cycle_attr
;
21 vme_width_t width_attr
;
22 struct resource bus_resource
;
26 struct vme_slave_resource
{
27 struct list_head list
;
28 struct vme_bridge
*parent
;
32 vme_address_t address_attr
;
33 vme_cycle_t cycle_attr
;
36 struct vme_dma_pattern
{
46 unsigned long long address
;
53 struct list_head list
;
54 struct vme_dma_resource
*parent
;
55 struct list_head entries
;
59 struct vme_dma_resource
{
60 struct list_head list
;
61 struct vme_bridge
*parent
;
65 struct list_head pending
;
66 struct list_head running
;
67 vme_dma_route_t route_attr
;
70 struct vme_lm_resource
{
71 struct list_head list
;
72 struct vme_bridge
*parent
;
79 struct vme_bus_error
{
80 struct list_head list
;
81 unsigned long long address
;
86 void (*func
)(int, int, void*);
92 struct vme_callback callback
[255];
95 /* Allow 16 characters for name (including null character) */
98 /* This structure stores all the information about one bridge
99 * The structure should be dynamically allocated by the driver and one instance
100 * of the structure should be present for each VME chip present in the system.
102 * Currently we assume that all chips are PCI-based
105 char name
[VMENAMSIZ
];
107 struct list_head master_resources
;
108 struct list_head slave_resources
;
109 struct list_head dma_resources
;
110 struct list_head lm_resources
;
112 struct list_head vme_errors
; /* List for errors generated on VME */
114 struct device
*parent
; /* Generic device struct (pdev->dev for PCI) */
115 void *driver_priv
; /* Private pointer for the bridge driver */
117 struct device dev
[VME_SLOTS_MAX
]; /* Device registered with
118 * device model on VME bus
121 /* Interrupt callbacks */
122 struct vme_irq irq
[7];
123 /* Locking for VME irq callback configuration */
124 struct mutex irq_mtx
;
126 /* Slave Functions */
127 int (*slave_get
) (struct vme_slave_resource
*, int *,
128 unsigned long long *, unsigned long long *, dma_addr_t
*,
129 vme_address_t
*, vme_cycle_t
*);
130 int (*slave_set
) (struct vme_slave_resource
*, int, unsigned long long,
131 unsigned long long, dma_addr_t
, vme_address_t
, vme_cycle_t
);
133 /* Master Functions */
134 int (*master_get
) (struct vme_master_resource
*, int *,
135 unsigned long long *, unsigned long long *, vme_address_t
*,
136 vme_cycle_t
*, vme_width_t
*);
137 int (*master_set
) (struct vme_master_resource
*, int,
138 unsigned long long, unsigned long long, vme_address_t
,
139 vme_cycle_t
, vme_width_t
);
140 ssize_t (*master_read
) (struct vme_master_resource
*, void *, size_t,
142 ssize_t (*master_write
) (struct vme_master_resource
*, void *, size_t,
144 unsigned int (*master_rmw
) (struct vme_master_resource
*, unsigned int,
145 unsigned int, unsigned int, loff_t
);
148 int (*dma_list_add
) (struct vme_dma_list
*, struct vme_dma_attr
*,
149 struct vme_dma_attr
*, size_t);
150 int (*dma_list_exec
) (struct vme_dma_list
*);
151 int (*dma_list_empty
) (struct vme_dma_list
*);
153 /* Interrupt Functions */
154 void (*irq_set
) (struct vme_bridge
*, int, int, int);
155 int (*irq_generate
) (struct vme_bridge
*, int, int);
157 /* Location monitor functions */
158 int (*lm_set
) (struct vme_lm_resource
*, unsigned long long,
159 vme_address_t
, vme_cycle_t
);
160 int (*lm_get
) (struct vme_lm_resource
*, unsigned long long *,
161 vme_address_t
*, vme_cycle_t
*);
162 int (*lm_attach
) (struct vme_lm_resource
*, int, void (*callback
)(int));
163 int (*lm_detach
) (struct vme_lm_resource
*, int);
165 /* CR/CSR space functions */
166 int (*slot_get
) (struct vme_bridge
*);
169 void vme_irq_handler(struct vme_bridge
*, int, int);
171 int vme_register_bridge(struct vme_bridge
*);
172 void vme_unregister_bridge(struct vme_bridge
*);
174 #endif /* _VME_BRIDGE_H_ */