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[hh.org.git] / include / asm-alpha / agp_backend.h
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1 #ifndef _ALPHA_AGP_BACKEND_H
2 #define _ALPHA_AGP_BACKEND_H 1
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;
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;
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);
42 #endif /* _ALPHA_AGP_BACKEND_H */