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intel-gtt.h revision 1.2.2.1
      1  1.2.2.1       tls /*	$NetBSD: intel-gtt.h,v 1.2.2.1 2014/08/10 06:55:39 tls 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  1.2.2.1       tls #include <sys/types.h>
     36      1.2  riastrad #include <sys/bus.h>
     37      1.2  riastrad 
     38  1.2.2.1       tls struct pci_dev;
     39  1.2.2.1       tls struct agp_bridge_data;
     40      1.2  riastrad 
     41  1.2.2.1       tls void	intel_gtt_get(size_t * /* GPU VA size in bytes */,
     42  1.2.2.1       tls 	    size_t * /* graphics stolen memory in bytes */,
     43  1.2.2.1       tls 	    bus_addr_t * /* aperture base */,
     44  1.2.2.1       tls 	    unsigned long * /* 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  1.2.2.1       tls void	intel_gtt_insert_entries(bus_dmamap_t, unsigned, unsigned);
     51  1.2.2.1       tls void	intel_gtt_clear_range(unsigned, unsigned);
     52      1.2  riastrad 
     53      1.2  riastrad #define	AGP_DCACHE_MEMORY	1
     54      1.2  riastrad #define	AGP_PHYS_MEMORY		2
     55      1.2  riastrad 
     56  1.2.2.1       tls /* XXX Dummy stubs -- should make these mean something and respect them.   */
     57  1.2.2.1       tls #define	AGP_USER_MEMORY		0
     58  1.2.2.1       tls #define	AGP_USER_CACHED_MEMORY	0
     59  1.2.2.1       tls 
     60      1.2  riastrad #define	AGP_USER_CACHED_MEMORY_GFDT	__BIT(3)
     61      1.2  riastrad 
     62      1.2  riastrad extern int	intel_iommu_gfx_mapped;
     63      1.2  riastrad 
     64      1.2  riastrad #endif  /* _DRM_INTEL_GTT_H_ */
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