4 #define VME_CRCSR_BUF_SIZE (508*1024)
8 struct vme_master_resource {
10 struct vme_bridge *parent;
12 * We are likely to need to access the VME bus in interrupt context, so
13 * protect master routines with a spinlock rather than a mutex.
21 struct resource bus_resource;
22 void __iomem *kern_base;
25 struct vme_slave_resource {
26 struct list_head list;
27 struct vme_bridge *parent;
35 struct vme_dma_pattern {
45 unsigned long long address;
52 struct list_head list;
53 struct vme_dma_resource *parent;
54 struct list_head entries;
58 struct vme_dma_resource {
59 struct list_head list;
60 struct vme_bridge *parent;
64 struct list_head pending;
65 struct list_head running;
69 struct vme_lm_resource {
70 struct list_head list;
71 struct vme_bridge *parent;
78 struct vme_bus_error {
79 struct list_head list;
80 unsigned long long address;
85 void (*func)(int, int, void*);
91 struct vme_callback callback[255];
94 /* Allow 16 characters for name (including null character) */
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.
102 char name[VMENAMSIZ];
104 struct list_head master_resources;
105 struct list_head slave_resources;
106 struct list_head dma_resources;
107 struct list_head lm_resources;
109 struct list_head vme_errors; /* List for errors generated on VME */
110 struct list_head devices; /* List of devices on this bridge */
112 /* Bridge Info - XXX Move to private structure? */
113 struct device *parent; /* Parent device (eg. pdev->dev for PCI) */
114 void *driver_priv; /* Private pointer for the bridge driver */
115 struct list_head bus_list; /* list of VME buses */
117 /* Interrupt callbacks */
118 struct vme_irq irq[7];
119 /* Locking for VME irq callback configuration */
120 struct mutex irq_mtx;
122 /* Slave Functions */
123 int (*slave_get) (struct vme_slave_resource *, int *,
124 unsigned long long *, unsigned long long *, dma_addr_t *,
126 int (*slave_set) (struct vme_slave_resource *, int, unsigned long long,
127 unsigned long long, dma_addr_t, u32, u32);
129 /* Master Functions */
130 int (*master_get) (struct vme_master_resource *, int *,
131 unsigned long long *, unsigned long long *, u32 *, u32 *,
133 int (*master_set) (struct vme_master_resource *, int,
134 unsigned long long, unsigned long long, u32, u32, u32);
135 ssize_t (*master_read) (struct vme_master_resource *, void *, size_t,
137 ssize_t (*master_write) (struct vme_master_resource *, void *, size_t,
139 unsigned int (*master_rmw) (struct vme_master_resource *, unsigned int,
140 unsigned int, unsigned int, loff_t);
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 *);
148 /* Interrupt Functions */
149 void (*irq_set) (struct vme_bridge *, int, int, int);
150 int (*irq_generate) (struct vme_bridge *, int, int);
152 /* Location monitor functions */
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 *,
156 int (*lm_attach) (struct vme_lm_resource *, int, void (*callback)(int));
157 int (*lm_detach) (struct vme_lm_resource *, int);
159 /* CR/CSR space functions */
160 int (*slot_get) (struct vme_bridge *);
162 /* Bridge parent interface */
163 void *(*alloc_consistent)(struct device *dev, size_t size,
165 void (*free_consistent)(struct device *dev, size_t size,
166 void *vaddr, dma_addr_t dma);
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_ */