1 #ifndef _VME_H_ 2 #define _VME_H_ 3 4 /* Resource Type */ 5 enum vme_resource_type { 6 VME_MASTER, 7 VME_SLAVE, 8 VME_DMA, 9 VME_LM 10 }; 11 12 /* VME Address Spaces */ 13 #define VME_A16 0x1 14 #define VME_A24 0x2 15 #define VME_A32 0x4 16 #define VME_A64 0x8 17 #define VME_CRCSR 0x10 18 #define VME_USER1 0x20 19 #define VME_USER2 0x40 20 #define VME_USER3 0x80 21 #define VME_USER4 0x100 22 23 #define VME_A16_MAX 0x10000ULL 24 #define VME_A24_MAX 0x1000000ULL 25 #define VME_A32_MAX 0x100000000ULL 26 #define VME_A64_MAX 0x10000000000000000ULL 27 #define VME_CRCSR_MAX 0x1000000ULL 28 29 30 /* VME Cycle Types */ 31 #define VME_SCT 0x1 32 #define VME_BLT 0x2 33 #define VME_MBLT 0x4 34 #define VME_2eVME 0x8 35 #define VME_2eSST 0x10 36 #define VME_2eSSTB 0x20 37 38 #define VME_2eSST160 0x100 39 #define VME_2eSST267 0x200 40 #define VME_2eSST320 0x400 41 42 #define VME_SUPER 0x1000 43 #define VME_USER 0x2000 44 #define VME_PROG 0x4000 45 #define VME_DATA 0x8000 46 47 /* VME Data Widths */ 48 #define VME_D8 0x1 49 #define VME_D16 0x2 50 #define VME_D32 0x4 51 #define VME_D64 0x8 52 53 /* Arbitration Scheduling Modes */ 54 #define VME_R_ROBIN_MODE 0x1 55 #define VME_PRIORITY_MODE 0x2 56 57 #define VME_DMA_PATTERN (1<<0) 58 #define VME_DMA_PCI (1<<1) 59 #define VME_DMA_VME (1<<2) 60 61 #define VME_DMA_PATTERN_BYTE (1<<0) 62 #define VME_DMA_PATTERN_WORD (1<<1) 63 #define VME_DMA_PATTERN_INCREMENT (1<<2) 64 65 #define VME_DMA_VME_TO_MEM (1<<0) 66 #define VME_DMA_MEM_TO_VME (1<<1) 67 #define VME_DMA_VME_TO_VME (1<<2) 68 #define VME_DMA_MEM_TO_MEM (1<<3) 69 #define VME_DMA_PATTERN_TO_VME (1<<4) 70 #define VME_DMA_PATTERN_TO_MEM (1<<5) 71 72 struct vme_dma_attr { 73 u32 type; 74 void *private; 75 }; 76 77 struct vme_resource { 78 enum vme_resource_type type; 79 struct list_head *entry; 80 }; 81 82 extern struct bus_type vme_bus_type; 83 84 /* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */ 85 #define VME_MAX_BRIDGES (sizeof(unsigned int)*8) 86 #define VME_MAX_SLOTS 32 87 88 #define VME_SLOT_CURRENT -1 89 #define VME_SLOT_ALL -2 90 91 /** 92 * Structure representing a VME device 93 * @num: The device number 94 * @bridge: Pointer to the bridge device this device is on 95 * @dev: Internal device structure 96 * @drv_list: List of devices (per driver) 97 * @bridge_list: List of devices (per bridge) 98 */ 99 struct vme_dev { 100 int num; 101 struct vme_bridge *bridge; 102 struct device dev; 103 struct list_head drv_list; 104 struct list_head bridge_list; 105 }; 106 107 struct vme_driver { 108 struct list_head node; 109 const char *name; 110 int (*match)(struct vme_dev *); 111 int (*probe)(struct vme_dev *); 112 int (*remove)(struct vme_dev *); 113 void (*shutdown)(void); 114 struct device_driver driver; 115 struct list_head devices; 116 }; 117 118 void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); 119 void vme_free_consistent(struct vme_resource *, size_t, void *, 120 dma_addr_t); 121 122 size_t vme_get_size(struct vme_resource *); 123 124 struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32); 125 int vme_slave_set(struct vme_resource *, int, unsigned long long, 126 unsigned long long, dma_addr_t, u32, u32); 127 int vme_slave_get(struct vme_resource *, int *, unsigned long long *, 128 unsigned long long *, dma_addr_t *, u32 *, u32 *); 129 void vme_slave_free(struct vme_resource *); 130 131 struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32); 132 int vme_master_set(struct vme_resource *, int, unsigned long long, 133 unsigned long long, u32, u32, u32); 134 int vme_master_get(struct vme_resource *, int *, unsigned long long *, 135 unsigned long long *, u32 *, u32 *, u32 *); 136 ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); 137 ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); 138 unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int, 139 unsigned int, loff_t); 140 void vme_master_free(struct vme_resource *); 141 142 struct vme_resource *vme_dma_request(struct vme_dev *, u32); 143 struct vme_dma_list *vme_new_dma_list(struct vme_resource *); 144 struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32); 145 struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); 146 struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32); 147 void vme_dma_free_attribute(struct vme_dma_attr *); 148 int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, 149 struct vme_dma_attr *, size_t); 150 int vme_dma_list_exec(struct vme_dma_list *); 151 int vme_dma_list_free(struct vme_dma_list *); 152 int vme_dma_free(struct vme_resource *); 153 154 int vme_irq_request(struct vme_dev *, int, int, 155 void (*callback)(int, int, void *), void *); 156 void vme_irq_free(struct vme_dev *, int, int); 157 int vme_irq_generate(struct vme_dev *, int, int); 158 159 struct vme_resource *vme_lm_request(struct vme_dev *); 160 int vme_lm_count(struct vme_resource *); 161 int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32); 162 int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *); 163 int vme_lm_attach(struct vme_resource *, int, void (*callback)(int)); 164 int vme_lm_detach(struct vme_resource *, int); 165 void vme_lm_free(struct vme_resource *); 166 167 int vme_slot_get(struct vme_dev *); 168 169 int vme_register_driver(struct vme_driver *, unsigned int); 170 void vme_unregister_driver(struct vme_driver *); 171 172 173 #endif /* _VME_H_ */ 174 175