1 | /* $NetBSD: intel-gtt.h,v 1.5 2015/03/06 22:03:06 riastradh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2013 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Taylor R. Campbell. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #ifndef _DRM_INTEL_GTT_H_ |
33 | #define _DRM_INTEL_GTT_H_ |
34 | |
35 | #include <sys/types.h> |
36 | #include <sys/bus.h> |
37 | |
38 | struct pci_dev; |
39 | struct agp_bridge_data; |
40 | |
41 | void intel_gtt_get(size_t * /* GPU VA size in bytes */, |
42 | size_t * /* graphics stolen memory in bytes */, |
43 | bus_addr_t * /* aperture base */, |
44 | unsigned long * /* aperture size in bytes */); |
45 | int intel_gmch_probe(struct pci_dev *, struct pci_dev *, |
46 | struct agp_bridge_data *); |
47 | void intel_gmch_remove(void); |
48 | bool intel_enable_gtt(void); |
49 | void intel_gtt_chipset_flush(void); |
50 | void intel_gtt_insert_entries(bus_dmamap_t, unsigned, unsigned); |
51 | void intel_gtt_clear_range(unsigned, unsigned); |
52 | |
53 | #define AGP_USER_MEMORY 1 |
54 | #define AGP_USER_CACHED_MEMORY 2 |
55 | |
56 | extern int intel_iommu_gfx_mapped; |
57 | |
58 | #endif /* _DRM_INTEL_GTT_H_ */ |
59 | |