Home | History | Annotate | Line # | Download | only in ttm 
      1  1.3  riastrad /*	$NetBSD: ttm_page_alloc.h,v 1.3 2021/12/19 09:58:07 riastradh Exp $	*/
      2  1.1  riastrad 
      3  1.1  riastrad /*-
      4  1.1  riastrad  * Copyright (c) 2014 The NetBSD Foundation, Inc.
      5  1.1  riastrad  * All rights reserved.
      6  1.1  riastrad  *
      7  1.1  riastrad  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  riastrad  * by Taylor R. Campbell.
      9  1.1  riastrad  *
     10  1.1  riastrad  * Redistribution and use in source and binary forms, with or without
     11  1.1  riastrad  * modification, are permitted provided that the following conditions
     12  1.1  riastrad  * are met:
     13  1.1  riastrad  * 1. Redistributions of source code must retain the above copyright
     14  1.1  riastrad  *    notice, this list of conditions and the following disclaimer.
     15  1.1  riastrad  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  riastrad  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  riastrad  *    documentation and/or other materials provided with the distribution.
     18  1.1  riastrad  *
     19  1.1  riastrad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1  riastrad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1  riastrad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1  riastrad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1  riastrad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1  riastrad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1  riastrad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1  riastrad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1  riastrad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1  riastrad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1  riastrad  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1  riastrad  */
     31  1.1  riastrad 
     32  1.1  riastrad #ifndef _DRM_TTM_TTM_PAGE_ALLOC_H_
     33  1.1  riastrad #define _DRM_TTM_TTM_PAGE_ALLOC_H_
     34  1.1  riastrad 
     35  1.3  riastrad #include <drm/ttm/ttm_bo_driver.h>
     36  1.3  riastrad 
     37  1.1  riastrad struct ttm_dma_tt;
     38  1.1  riastrad struct ttm_mem_global;
     39  1.1  riastrad 
     40  1.1  riastrad int	ttm_bus_dma_populate(struct ttm_dma_tt *);
     41  1.1  riastrad void	ttm_bus_dma_unpopulate(struct ttm_dma_tt *);
     42  1.2  riastrad void	ttm_bus_dma_swapout(struct ttm_dma_tt *);
     43  1.1  riastrad 
     44  1.1  riastrad static inline int
     45  1.1  riastrad ttm_page_alloc_init(struct ttm_mem_global *glob __unused,
     46  1.1  riastrad     unsigned max_pages __unused)
     47  1.1  riastrad {
     48  1.1  riastrad 	return 0;
     49  1.1  riastrad }
     50  1.1  riastrad 
     51  1.1  riastrad static inline void
     52  1.1  riastrad ttm_page_alloc_fini(void)
     53  1.1  riastrad {
     54  1.1  riastrad }
     55  1.1  riastrad 
     56  1.1  riastrad static inline int
     57  1.1  riastrad ttm_dma_page_alloc_init(struct ttm_mem_global *glob __unused,
     58  1.1  riastrad     unsigned max_pages __unused)
     59  1.1  riastrad {
     60  1.1  riastrad 	return 0;
     61  1.1  riastrad }
     62  1.1  riastrad 
     63  1.1  riastrad static inline void
     64  1.1  riastrad ttm_dma_page_alloc_fini(void)
     65  1.1  riastrad {
     66  1.1  riastrad }
     67  1.1  riastrad 
     68  1.1  riastrad #endif	/* _DRM_TTM_TTM_PAGE_ALLOC_H_ */
     69