1#ifndef _VME_H_ 2#define _VME_H_ 3 4/* Resource Type */ 5enum vme_resource_type { 6 VME_MASTER, 7 VME_SLAVE, 8 VME_DMA, 9 VME_LM 10}; 11 12/* VME Address Spaces */ 13typedef u32 vme_address_t; 14#define VME_A16 0x1 15#define VME_A24 0x2 16#define VME_A32 0x4 17#define VME_A64 0x8 18#define VME_CRCSR 0x10 19#define VME_USER1 0x20 20#define VME_USER2 0x40 21#define VME_USER3 0x80 22#define VME_USER4 0x100 23 24#define VME_A16_MAX 0x10000ULL 25#define VME_A24_MAX 0x1000000ULL 26#define VME_A32_MAX 0x100000000ULL 27#define VME_A64_MAX 0x10000000000000000ULL 28#define VME_CRCSR_MAX 0x1000000ULL 29 30 31/* VME Cycle Types */ 32typedef u32 vme_cycle_t; 33#define VME_SCT 0x1 34#define VME_BLT 0x2 35#define VME_MBLT 0x4 36#define VME_2eVME 0x8 37#define VME_2eSST 0x10 38#define VME_2eSSTB 0x20 39 40#define VME_2eSST160 0x100 41#define VME_2eSST267 0x200 42#define VME_2eSST320 0x400 43 44#define VME_SUPER 0x1000 45#define VME_USER 0x2000 46#define VME_PROG 0x4000 47#define VME_DATA 0x8000 48 49/* VME Data Widths */ 50typedef u32 vme_width_t; 51#define VME_D8 0x1 52#define VME_D16 0x2 53#define VME_D32 0x4 54#define VME_D64 0x8 55 56/* Arbitration Scheduling Modes */ 57typedef u32 vme_arbitration_t; 58#define VME_R_ROBIN_MODE 0x1 59#define VME_PRIORITY_MODE 0x2 60 61typedef u32 vme_dma_t; 62#define VME_DMA_PATTERN (1<<0) 63#define VME_DMA_PCI (1<<1) 64#define VME_DMA_VME (1<<2) 65 66typedef u32 vme_pattern_t; 67#define VME_DMA_PATTERN_BYTE (1<<0) 68#define VME_DMA_PATTERN_WORD (1<<1) 69#define VME_DMA_PATTERN_INCREMENT (1<<2) 70 71typedef u32 vme_dma_route_t; 72#define VME_DMA_VME_TO_MEM (1<<0) 73#define VME_DMA_MEM_TO_VME (1<<1) 74#define VME_DMA_VME_TO_VME (1<<2) 75#define VME_DMA_MEM_TO_MEM (1<<3) 76#define VME_DMA_PATTERN_TO_VME (1<<4) 77#define VME_DMA_PATTERN_TO_MEM (1<<5) 78 79struct vme_dma_attr { 80 vme_dma_t type; 81 void *private; 82}; 83 84struct vme_resource { 85 enum vme_resource_type type; 86 struct list_head *entry; 87}; 88 89extern struct bus_type vme_bus_type; 90 91#define VME_SLOT_CURRENT -1 92#define VME_SLOT_ALL -2 93 94struct vme_device_id { 95 int bus; 96 int slot; 97}; 98 99struct vme_driver { 100 struct list_head node; 101 char *name; 102 const struct vme_device_id *bind_table; 103 int (*probe) (struct device *, int, int); 104 int (*remove) (struct device *, int, int); 105 void (*shutdown) (void); 106 struct device_driver driver; 107}; 108 109void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); 110void vme_free_consistent(struct vme_resource *, size_t, void *, 111 dma_addr_t); 112 113size_t vme_get_size(struct vme_resource *); 114 115struct vme_resource *vme_slave_request(struct device *, vme_address_t, 116 vme_cycle_t); 117int vme_slave_set(struct vme_resource *, int, unsigned long long, 118 unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t); 119int vme_slave_get(struct vme_resource *, int *, unsigned long long *, 120 unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *); 121void vme_slave_free(struct vme_resource *); 122 123struct vme_resource *vme_master_request(struct device *, vme_address_t, 124 vme_cycle_t, vme_width_t); 125int vme_master_set(struct vme_resource *, int, unsigned long long, 126 unsigned long long, vme_address_t, vme_cycle_t, vme_width_t); 127int vme_master_get(struct vme_resource *, int *, unsigned long long *, 128 unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *); 129ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); 130ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); 131unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int, 132 unsigned int, loff_t); 133void vme_master_free(struct vme_resource *); 134 135struct vme_resource *vme_dma_request(struct device *, vme_dma_route_t); 136struct vme_dma_list *vme_new_dma_list(struct vme_resource *); 137struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t); 138struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); 139struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t, 140 vme_cycle_t, vme_width_t); 141void vme_dma_free_attribute(struct vme_dma_attr *); 142int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, 143 struct vme_dma_attr *, size_t); 144int vme_dma_list_exec(struct vme_dma_list *); 145int vme_dma_list_free(struct vme_dma_list *); 146int vme_dma_free(struct vme_resource *); 147 148int vme_irq_request(struct device *, int, int, 149 void (*callback)(int, int, void *), void *); 150void vme_irq_free(struct device *, int, int); 151int vme_irq_generate(struct device *, int, int); 152 153struct vme_resource * vme_lm_request(struct device *); 154int vme_lm_count(struct vme_resource *); 155int vme_lm_set(struct vme_resource *, unsigned long long, vme_address_t, 156 vme_cycle_t); 157int vme_lm_get(struct vme_resource *, unsigned long long *, vme_address_t *, 158 vme_cycle_t *); 159int vme_lm_attach(struct vme_resource *, int, void (*callback)(int)); 160int vme_lm_detach(struct vme_resource *, int); 161void vme_lm_free(struct vme_resource *); 162 163int vme_slot_get(struct device *); 164 165int vme_register_driver(struct vme_driver *); 166void vme_unregister_driver(struct vme_driver *); 167 168 169#endif /* _VME_H_ */ 170