1 1.10 riastrad /* $NetBSD: intel-gtt.h,v 1.10 2021/12/19 12:37:36 riastradh Exp $ */ 2 1.2 riastrad 3 1.2 riastrad /*- 4 1.2 riastrad * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.2 riastrad * All rights reserved. 6 1.2 riastrad * 7 1.2 riastrad * This code is derived from software contributed to The NetBSD Foundation 8 1.2 riastrad * by Taylor R. Campbell. 9 1.2 riastrad * 10 1.2 riastrad * Redistribution and use in source and binary forms, with or without 11 1.2 riastrad * modification, are permitted provided that the following conditions 12 1.2 riastrad * are met: 13 1.2 riastrad * 1. Redistributions of source code must retain the above copyright 14 1.2 riastrad * notice, this list of conditions and the following disclaimer. 15 1.2 riastrad * 2. Redistributions in binary form must reproduce the above copyright 16 1.2 riastrad * notice, this list of conditions and the following disclaimer in the 17 1.2 riastrad * documentation and/or other materials provided with the distribution. 18 1.2 riastrad * 19 1.2 riastrad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2 riastrad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2 riastrad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2 riastrad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2 riastrad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2 riastrad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2 riastrad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2 riastrad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2 riastrad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2 riastrad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2 riastrad * POSSIBILITY OF SUCH DAMAGE. 30 1.2 riastrad */ 31 1.2 riastrad 32 1.2 riastrad #ifndef _DRM_INTEL_GTT_H_ 33 1.2 riastrad #define _DRM_INTEL_GTT_H_ 34 1.2 riastrad 35 1.4 riastrad #include <sys/types.h> 36 1.2 riastrad #include <sys/bus.h> 37 1.2 riastrad 38 1.8 riastrad #include <linux/ioport.h> 39 1.8 riastrad 40 1.9 riastrad struct agp_bridge_data; 41 1.4 riastrad struct pci_dev; 42 1.9 riastrad struct sg_table; 43 1.2 riastrad 44 1.7 riastrad void intel_gtt_get(uint64_t * /* GPU VA size in bytes */, 45 1.4 riastrad bus_addr_t * /* aperture base */, 46 1.10 riastrad resource_size_t * /* aperture size in bytes */); 47 1.2 riastrad int intel_gmch_probe(struct pci_dev *, struct pci_dev *, 48 1.2 riastrad struct agp_bridge_data *); 49 1.2 riastrad void intel_gmch_remove(void); 50 1.2 riastrad bool intel_enable_gtt(void); 51 1.2 riastrad void intel_gtt_chipset_flush(void); 52 1.8 riastrad void intel_gtt_insert_page(bus_addr_t, unsigned, unsigned); 53 1.9 riastrad void intel_gtt_insert_sg_entries(struct sg_table *, unsigned, unsigned); 54 1.4 riastrad void intel_gtt_clear_range(unsigned, unsigned); 55 1.2 riastrad 56 1.5 riastrad #define AGP_USER_MEMORY 1 57 1.5 riastrad #define AGP_USER_CACHED_MEMORY 2 58 1.2 riastrad 59 1.8 riastrad extern int intel_iommu_gfx_mapped; 60 1.8 riastrad extern struct resource intel_graphics_stolen_res; 61 1.2 riastrad 62 1.2 riastrad #endif /* _DRM_INTEL_GTT_H_ */ 63
Indexes created Tue Sep 30 20:09:53 GMT 2025