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 28 struct 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 38 struct nouveau_mm { 39 struct list_head nodes; 40 struct list_head free; 41 42 struct mutex mutex; 43 44 u32 block_size; 45 int heap_nodes; 46 }; 47 48 int nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block); 49 int nouveau_mm_fini(struct nouveau_mm *); 50 int nouveau_mm_pre(struct nouveau_mm *); 51 int nouveau_mm_get(struct nouveau_mm *, int type, u32 size, u32 size_nc, 52 u32 align, struct nouveau_mm_node **); 53 void nouveau_mm_put(struct nouveau_mm *, struct nouveau_mm_node *); 54 55 int nv50_vram_init(struct drm_device *); 56 void nv50_vram_fini(struct drm_device *); 57 int nv50_vram_new(struct drm_device *, u64 size, u32 align, u32 size_nc, 58 u32 memtype, struct nouveau_mem **); 59 void nv50_vram_del(struct drm_device *, struct nouveau_mem **); 60 bool nv50_vram_flags_valid(struct drm_device *, u32 tile_flags); 61 62 int nvc0_vram_init(struct drm_device *); 63 int nvc0_vram_new(struct drm_device *, u64 size, u32 align, u32 ncmin, 64 u32 memtype, struct nouveau_mem **); 65 bool nvc0_vram_flags_valid(struct drm_device *, u32 tile_flags); 66 67 #endif 68