1 /* 2 * Copyright 2008 Advanced Micro Devices, Inc. 3 * Copyright 2008 Red Hat Inc. 4 * Copyright 2009 Jerome Glisse. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Dave Airlie 25 * Alex Deucher 26 * Jerome Glisse 27 */ 28 #ifndef __RADEON_OBJECT_H__ 29 #define __RADEON_OBJECT_H__ 30 31 #include <drm/radeon_drm.h> 32 #include "radeon.h" 33 34 /** 35 * radeon_mem_type_to_domain - return domain corresponding to mem_type 36 * @mem_type: ttm memory type 37 * 38 * Returns corresponding domain of the ttm mem_type 39 */ 40 static inline unsigned radeon_mem_type_to_domain(u32 mem_type) 41 { 42 switch (mem_type) { 43 case TTM_PL_VRAM: 44 return RADEON_GEM_DOMAIN_VRAM; 45 case TTM_PL_TT: 46 return RADEON_GEM_DOMAIN_GTT; 47 case TTM_PL_SYSTEM: 48 return RADEON_GEM_DOMAIN_CPU; 49 default: 50 break; 51 } 52 return 0; 53 } 54 55 int radeon_bo_reserve(struct radeon_bo *bo, bool no_wait); 56 57 static inline void radeon_bo_unreserve(struct radeon_bo *bo) 58 { 59 ttm_bo_unreserve(&bo->tbo); 60 } 61 62 /** 63 * radeon_bo_gpu_offset - return GPU offset of bo 64 * @bo: radeon object for which we query the offset 65 * 66 * Returns current GPU offset of the object. 67 * 68 * Note: object should either be pinned or reserved when calling this 69 * function, it might be useful to add check for this for debugging. 70 */ 71 static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo) 72 { 73 return bo->tbo.offset; 74 } 75 76 static inline unsigned long radeon_bo_size(struct radeon_bo *bo) 77 { 78 return bo->tbo.num_pages << PAGE_SHIFT; 79 } 80 81 static inline bool radeon_bo_is_reserved(struct radeon_bo *bo) 82 { 83 return !!atomic_read(&bo->tbo.reserved); 84 } 85 86 /** 87 * radeon_bo_mmap_offset - return mmap offset of bo 88 * @bo: radeon object for which we query the offset 89 * 90 * Returns mmap offset of the object. 91 * 92 * Note: addr_space_offset is constant after ttm bo init thus isn't protected 93 * by any lock. 94 */ 95 static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo) 96 { 97 return bo->tbo.addr_space_offset; 98 } 99 100 extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, 101 bool no_wait); 102 103 extern int radeon_bo_create(struct radeon_device *rdev, 104 unsigned long size, int byte_align, 105 bool kernel, u32 domain, 106 struct radeon_bo **bo_ptr); 107 extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr); 108 extern void radeon_bo_kunmap(struct radeon_bo *bo); 109 extern void radeon_bo_unref(struct radeon_bo **bo); 110 extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr); 111 extern int radeon_bo_unpin(struct radeon_bo *bo); 112 extern int radeon_bo_evict_vram(struct radeon_device *rdev); 113 extern void radeon_bo_force_delete(struct radeon_device *rdev); 114 extern int radeon_bo_init(struct radeon_device *rdev); 115 extern void radeon_bo_fini(struct radeon_device *rdev); 116 extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj, 117 struct list_head *head); 118 extern int radeon_bo_list_validate(struct list_head *head); 119 extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo, 120 struct vm_area_struct *vma); 121 extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo, 122 u32 tiling_flags, u32 pitch); 123 extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo, 124 u32 *tiling_flags, u32 *pitch); 125 extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved, 126 bool force_drop); 127 extern void radeon_bo_move_notify(struct ttm_buffer_object *bo, 128 struct ttm_mem_reg *mem); 129 extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo); 130 extern int radeon_bo_get_surface_reg(struct radeon_bo *bo); 131 #endif 132