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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 */