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| Rev | Author | Line No. | Line |
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| 1126 | serge | 1 | /* |
| 2 | * Copyright 2008 Advanced Micro Devices, Inc. |
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| 3 | * Copyright 2008 Red Hat Inc. |
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| 4 | * Copyright 2009 Jerome Glisse. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the "Software"), |
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| 8 | * to deal in the Software without restriction, including without limitation |
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| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 11 | * Software is furnished to do so, subject to the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice shall be included in |
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| 14 | * all copies or substantial portions of the Software. |
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| 15 | * |
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| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 23 | * |
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| 24 | * Authors: Dave Airlie |
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| 25 | * Alex Deucher |
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| 26 | * Jerome Glisse |
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| 27 | */ |
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| 28 | #ifndef __RADEON_OBJECT_H__ |
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| 29 | #define __RADEON_OBJECT_H__ |
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| 30 | |||
| 1321 | serge | 31 | #include |
| 32 | #include "radeon.h" |
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| 1126 | serge | 33 | |
| 1321 | serge | 34 | /** |
| 35 | * radeon_mem_type_to_domain - return domain corresponding to mem_type |
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| 36 | * @mem_type: ttm memory type |
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| 37 | * |
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| 38 | * Returns corresponding domain of the ttm mem_type |
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| 1126 | serge | 39 | */ |
| 1321 | serge | 40 | static inline unsigned radeon_mem_type_to_domain(u32 mem_type) |
| 41 | { |
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| 42 | switch (mem_type) { |
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| 43 | case TTM_PL_VRAM: |
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| 44 | return RADEON_GEM_DOMAIN_VRAM; |
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| 45 | case TTM_PL_TT: |
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| 46 | return RADEON_GEM_DOMAIN_GTT; |
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| 47 | case TTM_PL_SYSTEM: |
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| 48 | return RADEON_GEM_DOMAIN_CPU; |
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| 49 | default: |
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| 50 | break; |
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| 51 | } |
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| 52 | return 0; |
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| 53 | } |
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| 1126 | serge | 54 | |
| 1321 | serge | 55 | /** |
| 56 | * radeon_bo_reserve - reserve bo |
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| 57 | * @bo: bo structure |
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| 58 | * @no_wait: don't sleep while trying to reserve (return -EBUSY) |
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| 59 | * |
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| 60 | * Returns: |
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| 61 | * -EBUSY: buffer is busy and @no_wait is true |
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| 1404 | serge | 62 | * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by |
| 1321 | serge | 63 | * a signal. Release all buffer reservations and return to user-space. |
| 1404 | serge | 64 | */ |
| 1126 | serge | 65 | |
| 1321 | serge | 66 | static inline void radeon_bo_unreserve(struct radeon_bo *bo) |
| 67 | { |
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| 68 | ttm_bo_unreserve(&bo->tbo); |
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| 69 | } |
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| 1126 | serge | 70 | |
| 1321 | serge | 71 | /** |
| 72 | * radeon_bo_gpu_offset - return GPU offset of bo |
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| 73 | * @bo: radeon object for which we query the offset |
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| 1404 | serge | 74 | * |
| 1321 | serge | 75 | * Returns current GPU offset of the object. |
| 1404 | serge | 76 | * |
| 1321 | serge | 77 | * Note: object should either be pinned or reserved when calling this |
| 1963 | serge | 78 | * function, it might be useful to add check for this for debugging. |
| 1404 | serge | 79 | */ |
| 1321 | serge | 80 | static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo) |
| 81 | { |
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| 82 | return bo->tbo.offset; |
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| 83 | } |
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| 1126 | serge | 84 | |
| 1321 | serge | 85 | static inline unsigned long radeon_bo_size(struct radeon_bo *bo) |
| 86 | { |
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| 87 | return bo->tbo.num_pages << PAGE_SHIFT; |
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| 88 | } |
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| 1126 | serge | 89 | |
| 1321 | serge | 90 | static inline bool radeon_bo_is_reserved(struct radeon_bo *bo) |
| 91 | { |
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| 92 | return !!atomic_read(&bo->tbo.reserved); |
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| 93 | } |
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| 1126 | serge | 94 | |
| 1321 | serge | 95 | /** |
| 96 | * radeon_bo_mmap_offset - return mmap offset of bo |
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| 97 | * @bo: radeon object for which we query the offset |
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| 1404 | serge | 98 | * |
| 1321 | serge | 99 | * Returns mmap offset of the object. |
| 1404 | serge | 100 | * |
| 1321 | serge | 101 | * Note: addr_space_offset is constant after ttm bo init thus isn't protected |
| 102 | * by any lock. |
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| 1404 | serge | 103 | */ |
| 1321 | serge | 104 | static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo) |
| 105 | { |
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| 106 | return bo->tbo.addr_space_offset; |
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| 107 | } |
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| 1126 | serge | 108 | |
| 1321 | serge | 109 | static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type, |
| 110 | bool no_wait) |
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| 1126 | serge | 111 | { |
| 1321 | serge | 112 | int r; |
| 1126 | serge | 113 | |
| 1321 | serge | 114 | r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0); |
| 1963 | serge | 115 | if (unlikely(r != 0)) |
| 1321 | serge | 116 | return r; |
| 1963 | serge | 117 | // spin_lock(&bo->tbo.bdev->fence_lock); |
| 1321 | serge | 118 | if (mem_type) |
| 119 | *mem_type = bo->tbo.mem.mem_type; |
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| 120 | if (bo->tbo.sync_obj) |
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| 121 | r = ttm_bo_wait(&bo->tbo, true, true, no_wait); |
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| 1963 | serge | 122 | // spin_unlock(&bo->tbo.bdev->fence_lock); |
| 1321 | serge | 123 | ttm_bo_unreserve(&bo->tbo); |
| 124 | return r; |
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| 125 | } |
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| 1126 | serge | 126 | |
| 1321 | serge | 127 | extern int radeon_bo_create(struct radeon_device *rdev, |
| 1963 | serge | 128 | unsigned long size, int byte_align, |
| 1321 | serge | 129 | bool kernel, u32 domain, |
| 130 | struct radeon_bo **bo_ptr); |
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| 131 | extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr); |
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| 132 | extern void radeon_bo_kunmap(struct radeon_bo *bo); |
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| 133 | extern void radeon_bo_unref(struct radeon_bo **bo); |
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| 134 | extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr); |
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| 135 | extern int radeon_bo_unpin(struct radeon_bo *bo); |
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| 136 | extern int radeon_bo_evict_vram(struct radeon_device *rdev); |
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| 137 | extern void radeon_bo_force_delete(struct radeon_device *rdev); |
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| 138 | extern int radeon_bo_init(struct radeon_device *rdev); |
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| 139 | extern void radeon_bo_fini(struct radeon_device *rdev); |
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| 140 | extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj, |
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| 141 | struct list_head *head); |
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| 1428 | serge | 142 | extern int radeon_bo_list_validate(struct list_head *head); |
| 1321 | serge | 143 | extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo, |
| 144 | struct vm_area_struct *vma); |
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| 145 | extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo, |
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| 146 | u32 tiling_flags, u32 pitch); |
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| 147 | extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo, |
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| 148 | u32 *tiling_flags, u32 *pitch); |
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| 149 | extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved, |
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| 150 | bool force_drop); |
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| 151 | extern void radeon_bo_move_notify(struct ttm_buffer_object *bo, |
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| 152 | struct ttm_mem_reg *mem); |
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| 1963 | serge | 153 | extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo); |
| 1321 | serge | 154 | extern int radeon_bo_get_surface_reg(struct radeon_bo *bo); |
| 1126 | serge | 155 | #endif |