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intel-gtt.h revision 1.5.18.1 
      1  1.5.18.1  christos /*	$NetBSD: intel-gtt.h,v 1.5.18.1 2019/06/10 22:08:31 christos 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       1.4  riastrad struct pci_dev;
     39       1.4  riastrad struct agp_bridge_data;
     40       1.2  riastrad 
     41  1.5.18.1  christos void	intel_gtt_get(uint64_t * /* GPU VA size in bytes */,
     42       1.4  riastrad 	    size_t * /* graphics stolen memory in bytes */,
     43       1.4  riastrad 	    bus_addr_t * /* aperture base */,
     44  1.5.18.1  christos 	    uint64_t * /* aperture size in bytes */);
     45       1.2  riastrad int	intel_gmch_probe(struct pci_dev *, struct pci_dev *,
     46       1.2  riastrad 	    struct agp_bridge_data *);
     47       1.2  riastrad void	intel_gmch_remove(void);
     48       1.2  riastrad bool	intel_enable_gtt(void);
     49       1.2  riastrad void	intel_gtt_chipset_flush(void);
     50  1.5.18.1  christos void	intel_gtt_insert_sg_entries(bus_dmamap_t, unsigned, unsigned);
     51       1.4  riastrad void	intel_gtt_clear_range(unsigned, unsigned);
     52       1.2  riastrad 
     53       1.5  riastrad #define	AGP_USER_MEMORY		1
     54       1.5  riastrad #define	AGP_USER_CACHED_MEMORY	2
     55       1.2  riastrad 
     56       1.2  riastrad extern int	intel_iommu_gfx_mapped;
     57       1.2  riastrad 
     58       1.2  riastrad #endif  /* _DRM_INTEL_GTT_H_ */
     59