intel-gtt.h revision 1.2 1 1.2 riastrad /* $NetBSD: intel-gtt.h,v 1.2 2014/03/18 18:20:43 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 1.2 riastrad #include <sys/bus.h>
36 1.2 riastrad
37 1.2 riastrad #include "drm/bus_dma_hacks.h"
38 1.2 riastrad
39 1.2 riastrad #include <linux/pci.h>
40 1.2 riastrad
41 1.2 riastrad #include <drm/drm_agp_netbsd.h>
42 1.2 riastrad
43 1.2 riastrad struct intel_gtt {
44 1.2 riastrad paddr_t gma_bus_addr;
45 1.2 riastrad unsigned int stolen_size;
46 1.2 riastrad unsigned int gtt_total_entries;
47 1.2 riastrad unsigned int gtt_mappable_entries;
48 1.2 riastrad bus_dma_segment_t gtt_scratch_seg;
49 1.2 riastrad bus_dmamap_t gtt_scratch_map;
50 1.2 riastrad bus_space_handle_t gtt_bsh;
51 1.2 riastrad bool do_idle_maps;
52 1.2 riastrad };
53 1.2 riastrad
54 1.2 riastrad struct intel_gtt *
55 1.2 riastrad intel_gtt_get(void);
56 1.2 riastrad int intel_gmch_probe(struct pci_dev *, struct pci_dev *,
57 1.2 riastrad struct agp_bridge_data *);
58 1.2 riastrad void intel_gmch_remove(void);
59 1.2 riastrad bool intel_enable_gtt(void);
60 1.2 riastrad void intel_gtt_chipset_flush(void);
61 1.2 riastrad #ifndef __NetBSD__
62 1.2 riastrad void intel_gtt_insert_sg_entries(struct sg_table *, unsigned int,
63 1.2 riastrad unsigned int);
64 1.2 riastrad #endif
65 1.2 riastrad void intel_gtt_clear_range(unsigned int, unsigned int);
66 1.2 riastrad
67 1.2 riastrad #define AGP_DCACHE_MEMORY 1
68 1.2 riastrad #define AGP_PHYS_MEMORY 2
69 1.2 riastrad
70 1.2 riastrad #define AGP_USER_CACHED_MEMORY_GFDT __BIT(3)
71 1.2 riastrad
72 1.2 riastrad extern int intel_iommu_gfx_mapped;
73 1.2 riastrad
74 1.2 riastrad #endif /* _DRM_INTEL_GTT_H_ */
75