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      1 /*
      2  * Copyright 2007 Nouveau Project
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice shall be included in
     12  * all copies or substantial portions of the Software.
     13  *
     14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
     19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     20  * SOFTWARE.
     21  */
     22 
     23 #ifndef __NOUVEAU_BO_H__
     24 #define __NOUVEAU_BO_H__
     25 
     26 /* Relocation/Buffer type flags */
     27 #define NOUVEAU_BO_VRAM   (1 << 0)
     28 #define NOUVEAU_BO_GART   (1 << 1)
     29 #define NOUVEAU_BO_RD     (1 << 2)
     30 #define NOUVEAU_BO_WR     (1 << 3)
     31 #define NOUVEAU_BO_RDWR   (NOUVEAU_BO_RD | NOUVEAU_BO_WR)
     32 #define NOUVEAU_BO_MAP    (1 << 4)
     33 #define NOUVEAU_BO_PIN    (1 << 5)
     34 #define NOUVEAU_BO_LOW    (1 << 6)
     35 #define NOUVEAU_BO_HIGH   (1 << 7)
     36 #define NOUVEAU_BO_OR     (1 << 8)
     37 #define NOUVEAU_BO_LOCAL  (1 << 9)
     38 #define NOUVEAU_BO_TILED  (1 << 10)
     39 #define NOUVEAU_BO_ZTILE  (1 << 11)
     40 #define NOUVEAU_BO_INVAL  (1 << 12)
     41 #define NOUVEAU_BO_NOSYNC (1 << 13)
     42 #define NOUVEAU_BO_NOWAIT (1 << 14)
     43 #define NOUVEAU_BO_IFLUSH (1 << 15)
     44 #define NOUVEAU_BO_DUMMY  (1 << 31)
     45 
     46 struct nouveau_bo {
     47 	struct nouveau_device *device;
     48 	uint32_t handle;
     49 
     50 	uint64_t size;
     51 	void *map;
     52 
     53 	uint32_t tile_mode;
     54 	uint32_t tile_flags;
     55 
     56 	/* Available when buffer is pinned *only* */
     57 	uint32_t flags;
     58 	uint64_t offset;
     59 };
     60 
     61 int
     62 nouveau_bo_new(struct nouveau_device *, uint32_t flags, int align, int size,
     63 	       struct nouveau_bo **);
     64 
     65 int
     66 nouveau_bo_new_tile(struct nouveau_device *, uint32_t flags, int align,
     67 		    int size, uint32_t tile_mode, uint32_t tile_flags,
     68 		    struct nouveau_bo **);
     69 
     70 int
     71 nouveau_bo_user(struct nouveau_device *, void *ptr, int size,
     72 		struct nouveau_bo **);
     73 
     74 int
     75 nouveau_bo_wrap(struct nouveau_device *, uint32_t handle, struct nouveau_bo **);
     76 
     77 int
     78 nouveau_bo_handle_get(struct nouveau_bo *, uint32_t *);
     79 
     80 int
     81 nouveau_bo_handle_ref(struct nouveau_device *, uint32_t handle,
     82 		      struct nouveau_bo **);
     83 
     84 int
     85 nouveau_bo_ref(struct nouveau_bo *, struct nouveau_bo **);
     86 
     87 int
     88 nouveau_bo_map_range(struct nouveau_bo *, uint32_t delta, uint32_t size,
     89 		     uint32_t flags);
     90 
     91 void
     92 nouveau_bo_map_flush(struct nouveau_bo *, uint32_t delta, uint32_t size);
     93 
     94 int
     95 nouveau_bo_map(struct nouveau_bo *, uint32_t flags);
     96 
     97 void
     98 nouveau_bo_unmap(struct nouveau_bo *);
     99 
    100 int
    101 nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
    102 
    103 void
    104 nouveau_bo_unpin(struct nouveau_bo *);
    105 
    106 int
    107 nouveau_bo_busy(struct nouveau_bo *, uint32_t access);
    108 
    109 #endif
    110