Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 */ |