drivers/staging/vme/vme.h

   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 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
  71 struct vme_dma_attr {
  72         vme_dma_t type;
  73         void *private;
  74 };
  75
  76 struct vme_resource {
  77         enum vme_resource_type type;
  78         struct list_head *entry;
  79 };
  80
  81 extern struct bus_type vme_bus_type;
  82
  83 #define VME_SLOT_CURRENT        -1
  84 #define VME_SLOT_ALL            -2
  85
  86 struct vme_device_id {
  87         int bus;
  88         int slot;
  89 };
  90
  91 struct vme_driver {
  92         struct list_head node;
  93         char *name;
  94         const struct vme_device_id *bind_table;
  95         int (*probe)  (struct device *, int, int);
  96         int (*remove) (struct device *, int, int);
  97         void (*shutdown) (void);
  98         struct device_driver    driver;
  99 };
 100
 101 void * vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
 102 void vme_free_consistent(struct vme_resource *, size_t,  void *,
 103         dma_addr_t);
 104
 105 size_t vme_get_size(struct vme_resource *);
 106
 107 struct vme_resource * vme_slave_request(struct device *, vme_address_t, vme_cycle_t);
 108 int vme_slave_set (struct vme_resource *, int, unsigned long long,
 109         unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t);
 110 int vme_slave_get (struct vme_resource *, int *, unsigned long long *,
 111         unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *);
 112 void vme_slave_free(struct vme_resource *);
 113
 114 struct vme_resource * vme_master_request(struct device *, vme_address_t, vme_cycle_t,
 115         vme_width_t);
 116 int vme_master_set (struct vme_resource *, int, unsigned long long,
 117         unsigned long long, vme_address_t, vme_cycle_t, vme_width_t);
 118 int vme_master_get (struct vme_resource *, int *, unsigned long long *,
 119         unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *);
 120 ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
 121 ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
 122 unsigned int vme_master_rmw (struct vme_resource *, unsigned int, unsigned int,
 123         unsigned int, loff_t);
 124 void vme_master_free(struct vme_resource *);
 125
 126 struct vme_resource *vme_request_dma(struct device *);
 127 struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
 128 struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t);
 129 struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
 130 struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t,
 131         vme_cycle_t, vme_width_t);
 132 void vme_dma_free_attribute(struct vme_dma_attr *);
 133 int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
 134         struct vme_dma_attr *, size_t);
 135 int vme_dma_list_exec(struct vme_dma_list *);
 136 int vme_dma_list_free(struct vme_dma_list *);
 137 int vme_dma_free(struct vme_resource *);
 138
 139 int vme_request_irq(struct device *, int, int,
 140         void (*callback)(int, int, void *), void *);
 141 void vme_free_irq(struct device *, int, int);
 142 int vme_generate_irq(struct device *, int, int);
 143
 144 struct vme_resource * vme_lm_request(struct device *);
 145 int vme_lm_count(struct vme_resource *);
 146 int vme_lm_set(struct vme_resource *, unsigned long long, vme_address_t,
 147         vme_cycle_t);
 148 int vme_lm_get(struct vme_resource *, unsigned long long *, vme_address_t *,
 149         vme_cycle_t *);
 150 int vme_lm_attach(struct vme_resource *, int, void (*callback)(int));
 151 int vme_lm_detach(struct vme_resource *, int);
 152 void vme_lm_free(struct vme_resource *);
 153
 154 int vme_slot_get(struct device *);
 155
 156 int vme_register_driver (struct vme_driver *);
 157 void vme_unregister_driver (struct vme_driver *);
 158
 159
 160 #endif /* _VME_H_ */
 161