/* $OpenBSD: agpvar.h,v 1.3 2002/07/25 23:31:04 fgsch Exp $ */ /* $NetBSD: agpvar.h,v 1.4 2001/10/01 21:54:48 fvdl Exp $ */ /*- * Copyright (c) 2000 Doug Rabson * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/sys/pci/agppriv.h,v 1.3 2000/07/12 10:13:04 dfr Exp $ */ #ifndef _PCI_AGPVAR_H_ #define _PCI_AGPVAR_H_ #include <sys/lock.h> #include <dev/pci/vga_pcivar.h> /* * This structure is used to query the state of the AGP system. */ struct agp_info { u_int32_t ai_mode; bus_addr_t ai_aperture_base; bus_size_t ai_aperture_size; vsize_t ai_memory_allowed; vsize_t ai_memory_used; u_int32_t ai_devid; }; struct agp_memory_info { vsize_t ami_size; /* size in bytes */ bus_addr_t ami_physical; /* bogus hack for i810 */ off_t ami_offset; /* page offset if bound */ int ami_is_bound; /* non-zero if bound */ }; /* #define AGP_DEBUG */ #ifdef AGP_DEBUG #define AGP_DPF(x...) do { \ printf("agp: "); \ printf(##x); \ } while (0) #else #define AGP_DPF(x...) do {} while (0) #endif #define AGPUNIT(x) minor(x) struct agp_methods { u_int32_t (*get_aperture)(struct vga_pci_softc *); int (*set_aperture)(struct vga_pci_softc *, u_int32_t); int (*bind_page)(struct vga_pci_softc *, off_t, bus_addr_t); int (*unbind_page)(struct vga_pci_softc *, off_t); void (*flush_tlb)(struct vga_pci_softc *); int (*enable)(struct vga_pci_softc *, u_int32_t mode); struct agp_memory * (*alloc_memory)(struct vga_pci_softc *, int, vsize_t); int (*free_memory)(struct vga_pci_softc *, struct agp_memory *); int (*bind_memory)(struct vga_pci_softc *, struct agp_memory *, off_t); int (*unbind_memory)(struct vga_pci_softc *, struct agp_memory *); }; #define AGP_GET_APERTURE(sc) ((sc)->sc_methods->get_aperture(sc)) #define AGP_SET_APERTURE(sc,a) ((sc)->sc_methods->set_aperture((sc),(a))) #define AGP_BIND_PAGE(sc,o,p) ((sc)->sc_methods->bind_page((sc),(o),(p))) #define AGP_UNBIND_PAGE(sc,o) ((sc)->sc_methods->unbind_page((sc), (o))) #define AGP_FLUSH_TLB(sc) ((sc)->sc_methods->flush_tlb(sc)) #define AGP_ENABLE(sc,m) ((sc)->sc_methods->enable((sc),(m))) #define AGP_ALLOC_MEMORY(sc,t,s) ((sc)->sc_methods->alloc_memory((sc),(t),(s))) #define AGP_FREE_MEMORY(sc,m) ((sc)->sc_methods->free_memory((sc),(m))) #define AGP_BIND_MEMORY(sc,m,o) ((sc)->sc_methods->bind_memory((sc),(m),(o))) #define AGP_UNBIND_MEMORY(sc,m) ((sc)->sc_methods->unbind_memory((sc),(m))) /* * All chipset drivers must have this at the start of their softc. */ struct agp_gatt { u_int32_t ag_entries; u_int32_t *ag_virtual; bus_addr_t ag_physical; bus_dmamap_t ag_dmamap; bus_dma_segment_t ag_dmaseg; size_t ag_size; }; /* * Functions private to the AGP code. */ int agp_find_caps(pci_chipset_tag_t, pcitag_t); int agp_map_aperture(struct vga_pci_softc *); struct agp_gatt * agp_alloc_gatt(struct vga_pci_softc *); void agp_free_gatt(struct vga_pci_softc *, struct agp_gatt *); void agp_flush_cache(void); int agp_generic_attach(struct vga_pci_softc *); int agp_generic_detach(struct vga_pci_softc *); int agp_generic_enable(struct vga_pci_softc *, u_int32_t); struct agp_memory * agp_generic_alloc_memory(struct vga_pci_softc *, int, vsize_t size); int agp_generic_free_memory(struct vga_pci_softc *, struct agp_memory *); int agp_generic_bind_memory(struct vga_pci_softc *, struct agp_memory *, off_t); int agp_generic_unbind_memory(struct vga_pci_softc *, struct agp_memory *); int agp_ali_attach(struct vga_pci_softc *, struct pci_attach_args *, struct pci_attach_args *); int agp_amd_attach(struct vga_pci_softc *, struct pci_attach_args *, struct pci_attach_args *); int agp_i810_attach(struct vga_pci_softc *, struct pci_attach_args *, struct pci_attach_args *); int agp_intel_attach(struct vga_pci_softc *, struct pci_attach_args *, struct pci_attach_args *); int agp_via_attach(struct vga_pci_softc *, struct pci_attach_args *, struct pci_attach_args *); int agp_sis_attach(struct vga_pci_softc *, struct pci_attach_args *, struct pci_attach_args *); int agp_alloc_dmamem(bus_dma_tag_t, size_t, int, bus_dmamap_t *, caddr_t *, bus_addr_t *, bus_dma_segment_t *, int, int *); void agp_free_dmamem(bus_dma_tag_t, size_t, bus_dmamap_t, caddr_t, bus_dma_segment_t *, int nseg) ; #endif /* !_PCI_AGPVAR_H_ */