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intel-gtt.h revision 1.4.4.3 
      1  1.4.4.2       tls /*	$NetBSD: intel-gtt.h,v 1.4.4.3 2017/12/03 11:37:59 jdolecek Exp $	*/
      2  1.4.4.2       tls 
      3  1.4.4.2       tls /*-
      4  1.4.4.2       tls  * Copyright (c) 2013 The NetBSD Foundation, Inc.
      5  1.4.4.2       tls  * All rights reserved.
      6  1.4.4.2       tls  *
      7  1.4.4.2       tls  * This code is derived from software contributed to The NetBSD Foundation
      8  1.4.4.2       tls  * by Taylor R. Campbell.
      9  1.4.4.2       tls  *
     10  1.4.4.2       tls  * Redistribution and use in source and binary forms, with or without
     11  1.4.4.2       tls  * modification, are permitted provided that the following conditions
     12  1.4.4.2       tls  * are met:
     13  1.4.4.2       tls  * 1. Redistributions of source code must retain the above copyright
     14  1.4.4.2       tls  *    notice, this list of conditions and the following disclaimer.
     15  1.4.4.2       tls  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.4.4.2       tls  *    notice, this list of conditions and the following disclaimer in the
     17  1.4.4.2       tls  *    documentation and/or other materials provided with the distribution.
     18  1.4.4.2       tls  *
     19  1.4.4.2       tls  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.4.4.2       tls  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.4.4.2       tls  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.4.4.2       tls  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.4.4.2       tls  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.4.4.2       tls  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.4.4.2       tls  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.4.4.2       tls  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.4.4.2       tls  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.4.4.2       tls  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.4.4.2       tls  * POSSIBILITY OF SUCH DAMAGE.
     30  1.4.4.2       tls  */
     31  1.4.4.2       tls 
     32  1.4.4.2       tls #ifndef _DRM_INTEL_GTT_H_
     33  1.4.4.2       tls #define _DRM_INTEL_GTT_H_
     34  1.4.4.2       tls 
     35  1.4.4.2       tls #include <sys/types.h>
     36  1.4.4.2       tls #include <sys/bus.h>
     37  1.4.4.2       tls 
     38  1.4.4.2       tls struct pci_dev;
     39  1.4.4.2       tls struct agp_bridge_data;
     40  1.4.4.2       tls 
     41  1.4.4.2       tls void	intel_gtt_get(size_t * /* GPU VA size in bytes */,
     42  1.4.4.2       tls 	    size_t * /* graphics stolen memory in bytes */,
     43  1.4.4.2       tls 	    bus_addr_t * /* aperture base */,
     44  1.4.4.2       tls 	    unsigned long * /* aperture size in bytes */);
     45  1.4.4.2       tls int	intel_gmch_probe(struct pci_dev *, struct pci_dev *,
     46  1.4.4.2       tls 	    struct agp_bridge_data *);
     47  1.4.4.2       tls void	intel_gmch_remove(void);
     48  1.4.4.2       tls bool	intel_enable_gtt(void);
     49  1.4.4.2       tls void	intel_gtt_chipset_flush(void);
     50  1.4.4.2       tls void	intel_gtt_insert_entries(bus_dmamap_t, unsigned, unsigned);
     51  1.4.4.2       tls void	intel_gtt_clear_range(unsigned, unsigned);
     52  1.4.4.2       tls 
     53  1.4.4.3  jdolecek #define	AGP_USER_MEMORY		1
     54  1.4.4.3  jdolecek #define	AGP_USER_CACHED_MEMORY	2
     55  1.4.4.2       tls 
     56  1.4.4.2       tls extern int	intel_iommu_gfx_mapped;
     57  1.4.4.2       tls 
     58  1.4.4.2       tls #endif  /* _DRM_INTEL_GTT_H_ */
     59