2009-07-31 02:28:17 -06:00
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#ifndef _VME_H_
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#define _VME_H_
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/* Resource Type */
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enum vme_resource_type {
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VME_MASTER,
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VME_SLAVE,
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VME_DMA
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};
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/* VME Address Spaces */
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typedef u32 vme_address_t;
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#define VME_A16 0x1
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#define VME_A24 0x2
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#define VME_A32 0x4
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#define VME_A64 0x8
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#define VME_CRCSR 0x10
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#define VME_USER1 0x20
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#define VME_USER2 0x40
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#define VME_USER3 0x80
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#define VME_USER4 0x100
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#define VME_A16_MAX 0x10000ULL
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#define VME_A24_MAX 0x1000000ULL
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#define VME_A32_MAX 0x100000000ULL
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#define VME_A64_MAX 0x10000000000000000ULL
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#define VME_CRCSR_MAX 0x1000000ULL
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/* VME Cycle Types */
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typedef u32 vme_cycle_t;
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#define VME_SCT 0x1
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#define VME_BLT 0x2
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#define VME_MBLT 0x4
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#define VME_2eVME 0x8
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#define VME_2eSST 0x10
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#define VME_2eSSTB 0x20
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#define VME_2eSST160 0x100
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#define VME_2eSST267 0x200
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#define VME_2eSST320 0x400
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#define VME_SUPER 0x1000
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#define VME_USER 0x2000
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#define VME_PROG 0x4000
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#define VME_DATA 0x8000
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/* VME Data Widths */
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typedef u32 vme_width_t;
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#define VME_D8 0x1
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#define VME_D16 0x2
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#define VME_D32 0x4
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#define VME_D64 0x8
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/* Arbitration Scheduling Modes */
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typedef u32 vme_arbitration_t;
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#define VME_R_ROBIN_MODE 0x1
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#define VME_PRIORITY_MODE 0x2
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typedef u32 vme_dma_t;
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#define VME_DMA_PATTERN (1<<0)
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#define VME_DMA_PCI (1<<1)
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#define VME_DMA_VME (1<<2)
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typedef u32 vme_pattern_t;
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#define VME_DMA_PATTERN_BYTE (1<<0)
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#define VME_DMA_PATTERN_WORD (1<<1)
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#define VME_DMA_PATTERN_INCREMENT (1<<2)
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struct vme_dma_attr {
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vme_dma_t type;
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void *private;
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};
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struct vme_resource {
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enum vme_resource_type type;
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struct list_head *entry;
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};
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extern struct bus_type vme_bus_type;
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2009-08-06 02:43:07 -06:00
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#define VME_SLOT_CURRENT -1
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#define VME_SLOT_ALL -2
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2009-07-31 02:28:17 -06:00
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struct vme_device_id {
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int bus;
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int slot;
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};
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struct vme_driver {
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struct list_head node;
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char *name;
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const struct vme_device_id *bind_table;
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int (*probe) (struct device *, int, int);
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int (*remove) (struct device *, int, int);
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void (*shutdown) (void);
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struct device_driver driver;
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};
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void * vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
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void vme_free_consistent(struct vme_resource *, size_t, void *,
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dma_addr_t);
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size_t vme_get_size(struct vme_resource *);
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struct vme_resource * vme_slave_request(struct device *, vme_address_t, vme_cycle_t);
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int vme_slave_set (struct vme_resource *, int, unsigned long long,
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unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t);
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int vme_slave_get (struct vme_resource *, int *, unsigned long long *,
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unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *);
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void vme_slave_free(struct vme_resource *);
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struct vme_resource * vme_master_request(struct device *, vme_address_t, vme_cycle_t,
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vme_width_t);
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int vme_master_set (struct vme_resource *, int, unsigned long long,
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unsigned long long, vme_address_t, vme_cycle_t, vme_width_t);
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int vme_master_get (struct vme_resource *, int *, unsigned long long *,
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unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *);
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ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
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ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
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unsigned int vme_master_rmw (struct vme_resource *, unsigned int, unsigned int,
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unsigned int, loff_t);
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void vme_master_free(struct vme_resource *);
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struct vme_resource *vme_request_dma(struct device *);
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struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
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struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t);
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struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
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struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t,
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vme_cycle_t, vme_width_t);
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void vme_dma_free_attribute(struct vme_dma_attr *);
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int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
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struct vme_dma_attr *, size_t);
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int vme_dma_list_exec(struct vme_dma_list *);
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int vme_dma_list_free(struct vme_dma_list *);
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int vme_dma_free(struct vme_resource *);
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int vme_request_irq(struct device *, int, int,
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void (*callback)(int, int, void *), void *);
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void vme_free_irq(struct device *, int, int);
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int vme_generate_irq(struct device *, int, int);
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int vme_lm_set(struct device *, unsigned long long, vme_address_t, vme_cycle_t);
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int vme_lm_get(struct device *, unsigned long long *, vme_address_t *,
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vme_cycle_t *);
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int vme_lm_attach(struct device *, int, void (*callback)(int));
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int vme_lm_detach(struct device *, int);
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int vme_slot_get(struct device *);
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int vme_register_driver (struct vme_driver *);
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void vme_unregister_driver (struct vme_driver *);
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#endif /* _VME_H_ */
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