sys/external/bsd/drm/dist/libdrm/nouveau/nouveau_bo.h

   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_DUMMY  (1 << 31)
  41
  42 struct nouveau_bo {
  43         struct nouveau_device *device;
  44         uint32_t handle;
  45
  46         uint64_t size;
  47         void *map;
  48
  49         int tiled;
  50
  51         /* Available when buffer is pinned *only* */
  52         uint32_t flags;
  53         uint64_t offset;
  54 };
  55
  56 int
  57 nouveau_bo_new(struct nouveau_device *, uint32_t flags, int align, int size,
  58                struct nouveau_bo **);
  59
  60 int
  61 nouveau_bo_user(struct nouveau_device *, void *ptr, int size,
  62                 struct nouveau_bo **);
  63
  64 int
  65 nouveau_bo_fake(struct nouveau_device *dev, uint64_t offset, uint32_t flags,
  66                 uint32_t size, void *map, struct nouveau_bo **);
  67
  68 int
  69 nouveau_bo_handle_get(struct nouveau_bo *, uint32_t *);
  70
  71 int
  72 nouveau_bo_handle_ref(struct nouveau_device *, uint32_t handle,
  73                       struct nouveau_bo **);
  74
  75 int
  76 nouveau_bo_ref(struct nouveau_bo *, struct nouveau_bo **);
  77
  78 int
  79 nouveau_bo_map(struct nouveau_bo *, uint32_t flags);
  80
  81 void
  82 nouveau_bo_unmap(struct nouveau_bo *);
  83
  84 int
  85 nouveau_bo_pin(struct nouveau_bo *, uint32_t flags);
  86
  87 void
  88 nouveau_bo_unpin(struct nouveau_bo *);
  89
  90 int
  91 nouveau_bo_tile(struct nouveau_bo *, uint32_t flags, uint32_t delta,
  92                 uint32_t size);
  93
  94 int
  95 nouveau_bo_busy(struct nouveau_bo *, uint32_t access);
  96
  97 #endif