LXR linux/drivers/gpu/drm/nouveau/nouveau

   1/*
   2 * Copyright 2010 Red Hat Inc.
   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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Ben Skeggs
  23 */
  24
  25#ifndef __NOUVEAU_REGION_H__
  26#define __NOUVEAU_REGION_H__
  27
  28struct nouveau_mm_node {
  29        struct list_head nl_entry;
  30        struct list_head fl_entry;
  31        struct list_head rl_entry;
  32
  33        u8  type;
  34        u32 offset;
  35        u32 length;
  36};
  37
  38struct nouveau_mm {
  39        struct list_head nodes;
  40        struct list_head free;
  41
  42        struct mutex mutex;
  43
  44        u32 block_size;
  45};
  46
  47int  nouveau_mm_init(struct nouveau_mm **, u32 offset, u32 length, u32 block);
  48int  nouveau_mm_fini(struct nouveau_mm **);
  49int  nouveau_mm_pre(struct nouveau_mm *);
  50int  nouveau_mm_get(struct nouveau_mm *, int type, u32 size, u32 size_nc,
  51                    u32 align, struct nouveau_mm_node **);
  52void nouveau_mm_put(struct nouveau_mm *, struct nouveau_mm_node *);
  53
  54int  nv50_vram_init(struct drm_device *);
  55int  nv50_vram_new(struct drm_device *, u64 size, u32 align, u32 size_nc,
  56                    u32 memtype, struct nouveau_vram **);
  57void nv50_vram_del(struct drm_device *, struct nouveau_vram **);
  58bool nv50_vram_flags_valid(struct drm_device *, u32 tile_flags);
  59
  60int  nvc0_vram_init(struct drm_device *);
  61int  nvc0_vram_new(struct drm_device *, u64 size, u32 align, u32 ncmin,
  62                    u32 memtype, struct nouveau_vram **);
  63bool nvc0_vram_flags_valid(struct drm_device *, u32 tile_flags);
  64
  65#endif
  66