1 /* $OpenBSD: radeon_object.h,v 1.2 2014/02/09 23:57:04 jsg Exp $ */ 2 /* 3 * Copyright 2008 Advanced Micro Devices, Inc. 4 * Copyright 2008 Red Hat Inc. 5 * Copyright 2009 Jerome Glisse. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 23 * OTHER DEALINGS IN THE SOFTWARE. 24 * 25 * Authors: Dave Airlie 26 * Alex Deucher 27 * Jerome Glisse 28 */ 29 #ifndef __RADEON_OBJECT_H__ 30 #define __RADEON_OBJECT_H__ 31 32 #include <dev/pci/drm/radeon_drm.h> 33 #include "radeon.h" 34 35 /** 36 * radeon_mem_type_to_domain - return domain corresponding to mem_type 37 * @mem_type: ttm memory type 38 * 39 * Returns corresponding domain of the ttm mem_type 40 */ 41 static inline unsigned radeon_mem_type_to_domain(u32 mem_type) 42 { 43 switch (mem_type) { 44 case TTM_PL_VRAM: 45 return RADEON_GEM_DOMAIN_VRAM; 46 case TTM_PL_TT: 47 return RADEON_GEM_DOMAIN_GTT; 48 case TTM_PL_SYSTEM: 49 return RADEON_GEM_DOMAIN_CPU; 50 default: 51 break; 52 } 53 return 0; 54 } 55 56 int radeon_bo_reserve(struct radeon_bo *bo, bool no_intr); 57 58 static inline void radeon_bo_unreserve(struct radeon_bo *bo) 59 { 60 ttm_bo_unreserve(&bo->tbo); 61 } 62 63 /** 64 * radeon_bo_gpu_offset - return GPU offset of bo 65 * @bo: radeon object for which we query the offset 66 * 67 * Returns current GPU offset of the object. 68 * 69 * Note: object should either be pinned or reserved when calling this 70 * function, it might be useful to add check for this for debugging. 71 */ 72 static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo) 73 { 74 return bo->tbo.offset; 75 } 76 77 static inline unsigned long radeon_bo_size(struct radeon_bo *bo) 78 { 79 return bo->tbo.num_pages << PAGE_SHIFT; 80 } 81 82 static inline bool radeon_bo_is_reserved(struct radeon_bo *bo) 83 { 84 return ttm_bo_is_reserved(&bo->tbo); 85 } 86 87 static inline unsigned radeon_bo_ngpu_pages(struct radeon_bo *bo) 88 { 89 return (bo->tbo.num_pages << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; 90 } 91 92 static inline unsigned radeon_bo_gpu_page_alignment(struct radeon_bo *bo) 93 { 94 return (bo->tbo.mem.page_alignment << PAGE_SHIFT) / RADEON_GPU_PAGE_SIZE; 95 } 96 97 /** 98 * radeon_bo_mmap_offset - return mmap offset of bo 99 * @bo: radeon object for which we query the offset 100 * 101 * Returns mmap offset of the object. 102 * 103 * Note: addr_space_offset is constant after ttm bo init thus isn't protected 104 * by any lock. 105 */ 106 static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo) 107 { 108 return bo->tbo.addr_space_offset; 109 } 110 111 extern int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, 112 bool no_wait); 113 114 extern int radeon_bo_create(struct radeon_device *rdev, 115 unsigned long size, int byte_align, 116 bool kernel, u32 domain, 117 struct sg_table *sg, 118 struct radeon_bo **bo_ptr); 119 extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr); 120 extern void radeon_bo_kunmap(struct radeon_bo *bo); 121 extern void radeon_bo_unref(struct radeon_bo **bo); 122 extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr); 123 extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, 124 u64 max_offset, u64 *gpu_addr); 125 extern int radeon_bo_unpin(struct radeon_bo *bo); 126 extern int radeon_bo_evict_vram(struct radeon_device *rdev); 127 extern void radeon_bo_force_delete(struct radeon_device *rdev); 128 extern int radeon_bo_init(struct radeon_device *rdev); 129 extern void radeon_bo_fini(struct radeon_device *rdev); 130 extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj, 131 struct list_head *head); 132 extern int radeon_bo_list_validate(struct list_head *head); 133 #ifdef notyet 134 extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo, 135 struct vm_area_struct *vma); 136 #endif 137 extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo, 138 u32 tiling_flags, u32 pitch); 139 extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo, 140 u32 *tiling_flags, u32 *pitch); 141 extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved, 142 bool force_drop); 143 extern void radeon_bo_move_notify(struct ttm_buffer_object *bo, 144 struct ttm_mem_reg *mem); 145 extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo); 146 extern int radeon_bo_get_surface_reg(struct radeon_bo *bo); 147 148 /* 149 * sub allocation 150 */ 151 152 static inline uint64_t radeon_sa_bo_gpu_addr(struct radeon_sa_bo *sa_bo) 153 { 154 return sa_bo->manager->gpu_addr + sa_bo->soffset; 155 } 156 157 static inline void * radeon_sa_bo_cpu_addr(struct radeon_sa_bo *sa_bo) 158 { 159 return sa_bo->manager->cpu_ptr + sa_bo->soffset; 160 } 161 162 extern int radeon_sa_bo_manager_init(struct radeon_device *rdev, 163 struct radeon_sa_manager *sa_manager, 164 unsigned size, u32 align, u32 domain); 165 extern void radeon_sa_bo_manager_fini(struct radeon_device *rdev, 166 struct radeon_sa_manager *sa_manager); 167 extern int radeon_sa_bo_manager_start(struct radeon_device *rdev, 168 struct radeon_sa_manager *sa_manager); 169 extern int radeon_sa_bo_manager_suspend(struct radeon_device *rdev, 170 struct radeon_sa_manager *sa_manager); 171 extern int radeon_sa_bo_new(struct radeon_device *rdev, 172 struct radeon_sa_manager *sa_manager, 173 struct radeon_sa_bo **sa_bo, 174 unsigned size, unsigned align, bool block); 175 extern void radeon_sa_bo_free(struct radeon_device *rdev, 176 struct radeon_sa_bo **sa_bo, 177 struct radeon_fence *fence); 178 #if defined(CONFIG_DEBUG_FS) 179 extern void radeon_sa_bo_dump_debug_info(struct radeon_sa_manager *sa_manager, 180 struct seq_file *m); 181 #endif 182 183 184 #endif 185