diff options
Diffstat (limited to 'drivers/staging/vme/vme.h')
-rw-r--r-- | drivers/staging/vme/vme.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/drivers/staging/vme/vme.h b/drivers/staging/vme/vme.h new file mode 100644 index 00000000000..5291782a71e --- /dev/null +++ b/drivers/staging/vme/vme.h @@ -0,0 +1,153 @@ +#ifndef _VME_H_ +#define _VME_H_ + +/* Resource Type */ +enum vme_resource_type { + VME_MASTER, + VME_SLAVE, + VME_DMA +}; + +/* VME Address Spaces */ +typedef u32 vme_address_t; +#define VME_A16 0x1 +#define VME_A24 0x2 +#define VME_A32 0x4 +#define VME_A64 0x8 +#define VME_CRCSR 0x10 +#define VME_USER1 0x20 +#define VME_USER2 0x40 +#define VME_USER3 0x80 +#define VME_USER4 0x100 + +#define VME_A16_MAX 0x10000ULL +#define VME_A24_MAX 0x1000000ULL +#define VME_A32_MAX 0x100000000ULL +#define VME_A64_MAX 0x10000000000000000ULL +#define VME_CRCSR_MAX 0x1000000ULL + + +/* VME Cycle Types */ +typedef u32 vme_cycle_t; +#define VME_SCT 0x1 +#define VME_BLT 0x2 +#define VME_MBLT 0x4 +#define VME_2eVME 0x8 +#define VME_2eSST 0x10 +#define VME_2eSSTB 0x20 + +#define VME_2eSST160 0x100 +#define VME_2eSST267 0x200 +#define VME_2eSST320 0x400 + +#define VME_SUPER 0x1000 +#define VME_USER 0x2000 +#define VME_PROG 0x4000 +#define VME_DATA 0x8000 + +/* VME Data Widths */ +typedef u32 vme_width_t; +#define VME_D8 0x1 +#define VME_D16 0x2 +#define VME_D32 0x4 +#define VME_D64 0x8 + +/* Arbitration Scheduling Modes */ +typedef u32 vme_arbitration_t; +#define VME_R_ROBIN_MODE 0x1 +#define VME_PRIORITY_MODE 0x2 + +typedef u32 vme_dma_t; +#define VME_DMA_PATTERN (1<<0) +#define VME_DMA_PCI (1<<1) +#define VME_DMA_VME (1<<2) + +typedef u32 vme_pattern_t; +#define VME_DMA_PATTERN_BYTE (1<<0) +#define VME_DMA_PATTERN_WORD (1<<1) +#define VME_DMA_PATTERN_INCREMENT (1<<2) + +struct vme_dma_attr { + vme_dma_t type; + void *private; +}; + +struct vme_resource { + enum vme_resource_type type; + struct list_head *entry; +}; + +extern struct bus_type vme_bus_type; + +struct vme_device_id { + int bus; + int slot; +}; + +struct vme_driver { + struct list_head node; + char *name; + const struct vme_device_id *bind_table; + int (*probe) (struct device *, int, int); + int (*remove) (struct device *, int, int); + void (*shutdown) (void); + struct device_driver driver; +}; + +void * vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); +void vme_free_consistent(struct vme_resource *, size_t, void *, + dma_addr_t); + +size_t vme_get_size(struct vme_resource *); + +struct vme_resource * vme_slave_request(struct device *, vme_address_t, vme_cycle_t); +int vme_slave_set (struct vme_resource *, int, unsigned long long, + unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t); +int vme_slave_get (struct vme_resource *, int *, unsigned long long *, + unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *); +void vme_slave_free(struct vme_resource *); + +struct vme_resource * vme_master_request(struct device *, vme_address_t, vme_cycle_t, + vme_width_t); +int vme_master_set (struct vme_resource *, int, unsigned long long, + unsigned long long, vme_address_t, vme_cycle_t, vme_width_t); +int vme_master_get (struct vme_resource *, int *, unsigned long long *, + unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *); +ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); +ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); +unsigned int vme_master_rmw (struct vme_resource *, unsigned int, unsigned int, + unsigned int, loff_t); +void vme_master_free(struct vme_resource *); + +struct vme_resource *vme_request_dma(struct device *); +struct vme_dma_list *vme_new_dma_list(struct vme_resource *); +struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t); +struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); +struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t, + vme_cycle_t, vme_width_t); +void vme_dma_free_attribute(struct vme_dma_attr *); +int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, + struct vme_dma_attr *, size_t); +int vme_dma_list_exec(struct vme_dma_list *); +int vme_dma_list_free(struct vme_dma_list *); +int vme_dma_free(struct vme_resource *); + +int vme_request_irq(struct device *, int, int, + void (*callback)(int, int, void *), void *); +void vme_free_irq(struct device *, int, int); +int vme_generate_irq(struct device *, int, int); + +int vme_lm_set(struct device *, unsigned long long, vme_address_t, vme_cycle_t); +int vme_lm_get(struct device *, unsigned long long *, vme_address_t *, + vme_cycle_t *); +int vme_lm_attach(struct device *, int, void (*callback)(int)); +int vme_lm_detach(struct device *, int); + +int vme_slot_get(struct device *); + +int vme_register_driver (struct vme_driver *); +void vme_unregister_driver (struct vme_driver *); + + +#endif /* _VME_H_ */ + |