1 /* $NetBSD: agp_i810var.h,v 1.2 2014/03/18 18:20:41 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 Doug Rabson 5 * Copyright (c) 2000 Ruslan Ermilov 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/types.h> 31 #include <sys/bus.h> 32 33 #include <dev/pci/pcivar.h> 34 35 #include <dev/pci/agpvar.h> 36 37 struct agp_i810_softc { 38 u_int32_t initial_aperture; /* aperture size at startup */ 39 struct agp_gatt *gatt; 40 int chiptype; /* i810-like or i830 */ 41 u_int32_t dcache_size; /* i810 only */ 42 u_int32_t stolen; /* number of i830/845 gtt entries 43 for stolen memory */ 44 bus_space_tag_t bst; /* register bus_space tag */ 45 bus_space_handle_t bsh; /* register bus_space handle */ 46 bus_space_tag_t gtt_bst; /* GTT bus_space tag */ 47 bus_space_handle_t gtt_bsh; /* GTT bus_space handle */ 48 struct pci_attach_args vga_pa; 49 50 u_int32_t pgtblctl; 51 }; 52 53 extern struct agp_softc *agp_i810_sc; 54 55 int agp_i810_write_gtt_entry(struct agp_i810_softc *, off_t, bus_addr_t); 56 void agp_i810_post_gtt_entry(struct agp_i810_softc *, off_t); 57