Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 1 | #ifndef _VME_H_ |
| 2 | #define _VME_H_ |
| 3 | |
| 4 | /* Resource Type */ |
| 5 | enum vme_resource_type { |
| 6 | VME_MASTER, |
| 7 | VME_SLAVE, |
Martyn Welch | 42fb503 | 2009-08-11 17:44:56 +0100 | [diff] [blame] | 8 | VME_DMA, |
| 9 | VME_LM |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 10 | }; |
| 11 | |
| 12 | /* VME Address Spaces */ |
| 13 | typedef 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 */ |
| 32 | typedef 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 */ |
| 50 | typedef 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 */ |
| 57 | typedef u32 vme_arbitration_t; |
| 58 | #define VME_R_ROBIN_MODE 0x1 |
| 59 | #define VME_PRIORITY_MODE 0x2 |
| 60 | |
| 61 | typedef 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 | |
| 66 | typedef 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 | |
Martyn Welch | 4f723df | 2010-02-18 15:12:58 +0000 | [diff] [blame] | 71 | typedef 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 | |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 79 | struct vme_dma_attr { |
| 80 | vme_dma_t type; |
| 81 | void *private; |
| 82 | }; |
| 83 | |
| 84 | struct vme_resource { |
| 85 | enum vme_resource_type type; |
| 86 | struct list_head *entry; |
| 87 | }; |
| 88 | |
| 89 | extern struct bus_type vme_bus_type; |
| 90 | |
Martyn Welch | a37b0da | 2009-08-06 09:43:07 +0100 | [diff] [blame] | 91 | #define VME_SLOT_CURRENT -1 |
| 92 | #define VME_SLOT_ALL -2 |
| 93 | |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 94 | struct vme_device_id { |
| 95 | int bus; |
| 96 | int slot; |
| 97 | }; |
| 98 | |
| 99 | struct 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 | |
Martyn Welch | ead1f3e | 2009-12-15 08:43:02 +0000 | [diff] [blame] | 109 | void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *); |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 110 | void vme_free_consistent(struct vme_resource *, size_t, void *, |
| 111 | dma_addr_t); |
| 112 | |
| 113 | size_t vme_get_size(struct vme_resource *); |
| 114 | |
Martyn Welch | ead1f3e | 2009-12-15 08:43:02 +0000 | [diff] [blame] | 115 | struct vme_resource *vme_slave_request(struct device *, vme_address_t, |
| 116 | vme_cycle_t); |
| 117 | int vme_slave_set(struct vme_resource *, int, unsigned long long, |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 118 | unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t); |
Martyn Welch | ead1f3e | 2009-12-15 08:43:02 +0000 | [diff] [blame] | 119 | int vme_slave_get(struct vme_resource *, int *, unsigned long long *, |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 120 | unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *); |
| 121 | void vme_slave_free(struct vme_resource *); |
| 122 | |
Martyn Welch | ead1f3e | 2009-12-15 08:43:02 +0000 | [diff] [blame] | 123 | struct vme_resource *vme_master_request(struct device *, vme_address_t, |
| 124 | vme_cycle_t, vme_width_t); |
| 125 | int vme_master_set(struct vme_resource *, int, unsigned long long, |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 126 | unsigned long long, vme_address_t, vme_cycle_t, vme_width_t); |
Martyn Welch | ead1f3e | 2009-12-15 08:43:02 +0000 | [diff] [blame] | 127 | int vme_master_get(struct vme_resource *, int *, unsigned long long *, |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 128 | unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *); |
| 129 | ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t); |
| 130 | ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t); |
Martyn Welch | ead1f3e | 2009-12-15 08:43:02 +0000 | [diff] [blame] | 131 | unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int, |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 132 | unsigned int, loff_t); |
| 133 | void vme_master_free(struct vme_resource *); |
| 134 | |
Martyn Welch | 4f723df | 2010-02-18 15:12:58 +0000 | [diff] [blame] | 135 | struct vme_resource *vme_dma_request(struct device *, vme_dma_route_t); |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 136 | struct vme_dma_list *vme_new_dma_list(struct vme_resource *); |
| 137 | struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t); |
| 138 | struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t); |
| 139 | struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t, |
| 140 | vme_cycle_t, vme_width_t); |
| 141 | void vme_dma_free_attribute(struct vme_dma_attr *); |
| 142 | int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *, |
| 143 | struct vme_dma_attr *, size_t); |
| 144 | int vme_dma_list_exec(struct vme_dma_list *); |
| 145 | int vme_dma_list_free(struct vme_dma_list *); |
| 146 | int vme_dma_free(struct vme_resource *); |
| 147 | |
Martyn Welch | c813f59 | 2009-10-29 16:34:54 +0000 | [diff] [blame] | 148 | int vme_irq_request(struct device *, int, int, |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 149 | void (*callback)(int, int, void *), void *); |
Martyn Welch | c813f59 | 2009-10-29 16:34:54 +0000 | [diff] [blame] | 150 | void vme_irq_free(struct device *, int, int); |
| 151 | int vme_irq_generate(struct device *, int, int); |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 152 | |
Martyn Welch | 42fb503 | 2009-08-11 17:44:56 +0100 | [diff] [blame] | 153 | struct vme_resource * vme_lm_request(struct device *); |
| 154 | int vme_lm_count(struct vme_resource *); |
| 155 | int vme_lm_set(struct vme_resource *, unsigned long long, vme_address_t, |
| 156 | vme_cycle_t); |
| 157 | int vme_lm_get(struct vme_resource *, unsigned long long *, vme_address_t *, |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 158 | vme_cycle_t *); |
Martyn Welch | 42fb503 | 2009-08-11 17:44:56 +0100 | [diff] [blame] | 159 | int vme_lm_attach(struct vme_resource *, int, void (*callback)(int)); |
| 160 | int vme_lm_detach(struct vme_resource *, int); |
| 161 | void vme_lm_free(struct vme_resource *); |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 162 | |
| 163 | int vme_slot_get(struct device *); |
| 164 | |
Martyn Welch | ead1f3e | 2009-12-15 08:43:02 +0000 | [diff] [blame] | 165 | int vme_register_driver(struct vme_driver *); |
| 166 | void vme_unregister_driver(struct vme_driver *); |
Martyn Welch | a17a75e | 2009-07-31 09:28:17 +0100 | [diff] [blame] | 167 | |
| 168 | |
| 169 | #endif /* _VME_H_ */ |
| 170 | |