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 };
  10
  11 /* VME Address Spaces */
  12 typedef u32 vme_address_t;
  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 typedef u32 vme_cycle_t;
  32 #define VME_SCT         0x1
  33 #define VME_BLT         0x2
  34 #define VME_MBLT        0x4
  35 #define VME_2eVME       0x8
  36 #define VME_2eSST       0x10
  37 #define VME_2eSSTB      0x20
  38
  39 #define VME_2eSST160    0x100
  40 #define VME_2eSST267    0x200
  41 #define VME_2eSST320    0x400
  42
  43 #define VME_SUPER       0x1000
  44 #define VME_USER        0x2000
  45 #define VME_PROG        0x4000
  46 #define VME_DATA        0x8000
  47
  48 /* VME Data Widths */
  49 typedef u32 vme_width_t;
  50 #define VME_D8          0x1
  51 #define VME_D16         0x2
  52 #define VME_D32         0x4
  53 #define VME_D64         0x8
  54
  55 /* Arbitration Scheduling Modes */
  56 typedef u32 vme_arbitration_t;
  57 #define VME_R_ROBIN_MODE        0x1
  58 #define VME_PRIORITY_MODE       0x2
  59
  60 typedef u32 vme_dma_t;
  61 #define VME_DMA_PATTERN                 (1<<0)
  62 #define VME_DMA_PCI                     (1<<1)
  63 #define VME_DMA_VME                     (1<<2)
  64
  65 typedef u32 vme_pattern_t;
  66 #define VME_DMA_PATTERN_BYTE            (1<<0)
  67 #define VME_DMA_PATTERN_WORD            (1<<1)
  68 #define VME_DMA_PATTERN_INCREMENT       (1<<2)
  69
  70 struct vme_dma_attr {
  71         vme_dma_t type;
  72         void *private;
  73 };
  74
  75 struct vme_resource {
  76         enum vme_resource_type type;
  77         struct list_head *entry;
  78 };
  79
  80 extern struct bus_type vme_bus_type;
  81
  82 struct vme_device_id {
  83         int bus;
  84         int slot;
  85 };
  86
  87 struct vme_driver {
  88         struct list_head node;
  89         char *name;
  90         const struct vme_device_id *bind_table;
  91         int (*probe)  (struct device *, int, int);
  92         int (*remove) (struct device *, int, int);
  93         void (*shutdown) (void);
  94         struct device_driver    driver;
  95 };
  96
  97 void * vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
  98 void vme_free_consistent(struct vme_resource *, size_t,  void *,
  99         dma_addr_t);
 100
 101 size_t vme_get_size(struct vme_resource *);
 102
 103 struct vme_resource * vme_slave_request(struct device *, vme_address_t, vme_cycle_t);
 104 int vme_slave_set (struct vme_resource *, int, unsigned long long,
 105         unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t);
 106 int vme_slave_get (struct vme_resource *, int *, unsigned long long *,
 107         unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *);
 108 void vme_slave_free(struct vme_resource *);
 109
 110 struct vme_resource * vme_master_request(struct device *, vme_address_t, vme_cycle_t,
 111         vme_width_t);
 112 int vme_master_set (struct vme_resource *, int, unsigned long long,
 113         unsigned long long, vme_address_t, vme_cycle_t, vme_width_t);
 114 int vme_master_get (struct vme_resource *, int *, unsigned long long *,
 115         unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *);
 116 ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
 117 ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
 118 unsigned int vme_master_rmw (struct vme_resource *, unsigned int, unsigned int,
 119         unsigned int, loff_t);
 120 void vme_master_free(struct vme_resource *);
 121
 122 struct vme_resource *vme_request_dma(struct device *);
 123 struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
 124 struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t);
 125 struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
 126 struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, vme_address_t,
 127         vme_cycle_t, vme_width_t);
 128 void vme_dma_free_attribute(struct vme_dma_attr *);
 129 int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
 130         struct vme_dma_attr *, size_t);
 131 int vme_dma_list_exec(struct vme_dma_list *);
 132 int vme_dma_list_free(struct vme_dma_list *);
 133 int vme_dma_free(struct vme_resource *);
 134
 135 int vme_request_irq(struct device *, int, int,
 136         void (*callback)(int, int, void *), void *);
 137 void vme_free_irq(struct device *, int, int);
 138 int vme_generate_irq(struct device *, int, int);
 139
 140 int vme_lm_set(struct device *, unsigned long long, vme_address_t, vme_cycle_t);
 141 int vme_lm_get(struct device *, unsigned long long *, vme_address_t *,
 142         vme_cycle_t *);
 143 int vme_lm_attach(struct device *, int, void (*callback)(int));
 144 int vme_lm_detach(struct device *, int);
 145
 146 int vme_slot_get(struct device *);
 147
 148 int vme_register_driver (struct vme_driver *);
 149 void vme_unregister_driver (struct vme_driver *);
 150
 151
 152 #endif /* _VME_H_ */
 153