diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mm.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_mm.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mm.h b/drivers/gpu/drm/nouveau/nouveau_mm.h new file mode 100644 index 0000000..798eaf3 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_mm.h @@ -0,0 +1,65 @@ +/* + * Copyright 2010 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#ifndef __NOUVEAU_REGION_H__ +#define __NOUVEAU_REGION_H__ + +struct nouveau_mm_node { + struct list_head nl_entry; + struct list_head fl_entry; + struct list_head rl_entry; + + u8 type; + u32 offset; + u32 length; +}; + +struct nouveau_mm { + struct list_head nodes; + struct list_head free; + + struct mutex mutex; + + u32 block_size; +}; + +int nouveau_mm_init(struct nouveau_mm **, u32 offset, u32 length, u32 block); +int nouveau_mm_fini(struct nouveau_mm **); +int nouveau_mm_pre(struct nouveau_mm *); +int nouveau_mm_get(struct nouveau_mm *, int type, u32 size, u32 size_nc, + u32 align, struct nouveau_mm_node **); +void nouveau_mm_put(struct nouveau_mm *, struct nouveau_mm_node *); + +int nv50_vram_init(struct drm_device *); +int nv50_vram_new(struct drm_device *, u64 size, u32 align, u32 size_nc, + u32 memtype, struct nouveau_vram **); +void nv50_vram_del(struct drm_device *, struct nouveau_vram **); +bool nv50_vram_flags_valid(struct drm_device *, u32 tile_flags); + +int nvc0_vram_init(struct drm_device *); +int nvc0_vram_new(struct drm_device *, u64 size, u32 align, u32 ncmin, + u32 memtype, struct nouveau_vram **); +bool nvc0_vram_flags_valid(struct drm_device *, u32 tile_flags); + +#endif |