LXR linux/arch/alpha/include/asm/agp

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ALPHA_AGP_BACKEND_H
   3#define _ALPHA_AGP_BACKEND_H 1
   4
   5typedef union _alpha_agp_mode {
   6        struct {
   7                u32 rate : 3;
   8                u32 reserved0 : 1;
   9                u32 fw : 1;
  10                u32 fourgb : 1;
  11                u32 reserved1 : 2;
  12                u32 enable : 1;
  13                u32 sba : 1;
  14                u32 reserved2 : 14;
  15                u32 rq : 8;
  16        } bits;
  17        u32 lw;
  18} alpha_agp_mode;
  19
  20typedef struct _alpha_agp_info {
  21        struct pci_controller *hose;
  22        struct {
  23                dma_addr_t bus_base;
  24                unsigned long size;
  25                void *sysdata;
  26        } aperture;
  27        alpha_agp_mode capability;
  28        alpha_agp_mode mode;
  29        void *private;
  30        struct alpha_agp_ops *ops;
  31} alpha_agp_info;
  32
  33struct alpha_agp_ops {
  34        int (*setup)(alpha_agp_info *);
  35        void (*cleanup)(alpha_agp_info *);
  36        int (*configure)(alpha_agp_info *);
  37        int (*bind)(alpha_agp_info *, off_t, struct agp_memory *);
  38        int (*unbind)(alpha_agp_info *, off_t, struct agp_memory *);
  39        unsigned long (*translate)(alpha_agp_info *, dma_addr_t);
  40};
  41
  42
  43#endif /* _ALPHA_AGP_BACKEND_H */
  44