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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ALPHA_AGP_BACKEND_H
- #define _ALPHA_AGP_BACKEND_H 1
- typedef union _alpha_agp_mode {
- struct {
- u32 rate : 3;
- u32 reserved0 : 1;
- u32 fw : 1;
- u32 fourgb : 1;
- u32 reserved1 : 2;
- u32 enable : 1;
- u32 sba : 1;
- u32 reserved2 : 14;
- u32 rq : 8;
- } bits;
- u32 lw;
- } alpha_agp_mode;
- typedef struct _alpha_agp_info {
- struct pci_controller *hose;
- struct {
- dma_addr_t bus_base;
- unsigned long size;
- void *sysdata;
- } aperture;
- alpha_agp_mode capability;
- alpha_agp_mode mode;
- void *private;
- struct alpha_agp_ops *ops;
- } alpha_agp_info;
- struct alpha_agp_ops {
- int (*setup)(alpha_agp_info *);
- void (*cleanup)(alpha_agp_info *);
- int (*configure)(alpha_agp_info *);
- int (*bind)(alpha_agp_info *, off_t, struct agp_memory *);
- int (*unbind)(alpha_agp_info *, off_t, struct agp_memory *);
- unsigned long (*translate)(alpha_agp_info *, dma_addr_t);
- };
- #endif /* _ALPHA_AGP_BACKEND_H */
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