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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