1 /* $NetBSD: agp_i810var.h,v 1.7 2018/08/27 00:51:37 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 struct pci_attach_args vga_pa; /* integrated graphics device args */ 39 int chiptype; /* chipset family: i810, i830, &c. */ 40 uint32_t stolen; /* pages of stolen graphics memory */ 41 42 /* Memory-mapped I/O for integrated graphics device registers. */ 43 bus_space_tag_t bst; 44 bus_space_handle_t bsh; 45 bus_size_t size; 46 47 /* Graphics translation table. */ 48 bus_space_tag_t gtt_bst; 49 bus_space_handle_t gtt_bsh; 50 bus_size_t gtt_size; 51 52 /* Chipset flush page. */ 53 bus_space_tag_t flush_bst; 54 bus_space_handle_t flush_bsh; 55 bus_addr_t flush_addr; 56 57 /* i810-only fields. */ 58 struct agp_gatt *gatt; /* i810-only OS-allocated GTT */ 59 uint32_t dcache_size; /* i810-only on-chip memory size */ 60 61 /* Cached pgtblctl register for resume. */ 62 pcireg_t pgtblctl; 63 }; 64 65 extern struct agp_softc *agp_i810_sc; 66 67 #define AGP_I810_GTT_VALID 0x01 68 #define AGP_I810_GTT_I810_DCACHE 0x02 /* i810-only */ 69 #define AGP_I810_GTT_CACHED 0x06 /* >=i830 */ 70 71 int agp_i810_write_gtt_entry(struct agp_i810_softc *, off_t, bus_addr_t, 72 int); 73 void agp_i810_post_gtt_entry(struct agp_i810_softc *, off_t); 74 void agp_i810_chipset_flush(struct agp_i810_softc *); 75 void agp_i810_reset(struct agp_i810_softc *); 76