include/asm-alpha/agp_backend.h

   1 #ifndef _ALPHA_AGP_BACKEND_H
   2 #define _ALPHA_AGP_BACKEND_H 1
   3
   4 typedef union _alpha_agp_mode {
   5         struct {
   6                 u32 rate : 3;
   7                 u32 reserved0 : 1;
   8                 u32 fw : 1;
   9                 u32 fourgb : 1;
  10                 u32 reserved1 : 2;
  11                 u32 enable : 1;
  12                 u32 sba : 1;
  13                 u32 reserved2 : 14;
  14                 u32 rq : 8;
  15         } bits;
  16         u32 lw;
  17 } alpha_agp_mode;
  18
  19 typedef struct _alpha_agp_info {
  20         struct pci_controller *hose;
  21         struct {
  22                 dma_addr_t bus_base;
  23                 unsigned long size;
  24                 void *sysdata;
  25         } aperture;
  26         alpha_agp_mode capability;
  27         alpha_agp_mode mode;
  28         void *private;
  29         struct alpha_agp_ops *ops;
  30 } alpha_agp_info;
  31
  32 struct alpha_agp_ops {
  33         int (*setup)(alpha_agp_info *);
  34         void (*cleanup)(alpha_agp_info *);
  35         int (*configure)(alpha_agp_info *);
  36         int (*bind)(alpha_agp_info *, off_t, struct agp_memory *);
  37         int (*unbind)(alpha_agp_info *, off_t, struct agp_memory *);
  38         unsigned long (*translate)(alpha_agp_info *, dma_addr_t);
  39 };
  40
  41
  42 #endif /* _ALPHA_AGP_BACKEND_H */