/* 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 */