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