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59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
/* $NetBSD: intel-gtt.h,v 1.5 2015/03/06 22:03:06 riastradh Exp $ */
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/*-
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* Copyright (c) 2013 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Taylor R. Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DRM_INTEL_GTT_H_
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#define _DRM_INTEL_GTT_H_
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#include <sys/types.h>
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#include <sys/bus.h>
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struct pci_dev;
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struct agp_bridge_data;
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void intel_gtt_get(size_t * /* GPU VA size in bytes */,
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size_t * /* graphics stolen memory in bytes */,
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bus_addr_t * /* aperture base */,
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unsigned long * /* aperture size in bytes */);
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int intel_gmch_probe(struct pci_dev *, struct pci_dev *,
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struct agp_bridge_data *);
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void intel_gmch_remove(void);
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bool intel_enable_gtt(void);
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void intel_gtt_chipset_flush(void);
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void intel_gtt_insert_entries(bus_dmamap_t, unsigned, unsigned);
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void intel_gtt_clear_range(unsigned, unsigned);
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#define AGP_USER_MEMORY 1
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#define AGP_USER_CACHED_MEMORY 2
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extern int intel_iommu_gfx_mapped;
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#endif /* _DRM_INTEL_GTT_H_ */
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