Subversion Repositories Kolibri OS

Rev

Rev 1428 | Rev 3764 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  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. /**
  56.  * radeon_bo_reserve - reserve bo
  57.  * @bo:         bo structure
  58.  * @no_wait:            don't sleep while trying to reserve (return -EBUSY)
  59.  *
  60.  * Returns:
  61.  * -EBUSY: buffer is busy and @no_wait is true
  62.  * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
  63.  * a signal. Release all buffer reservations and return to user-space.
  64.  */
  65.  
  66. static inline void radeon_bo_unreserve(struct radeon_bo *bo)
  67. {
  68.         ttm_bo_unreserve(&bo->tbo);
  69. }
  70.  
  71. /**
  72.  * radeon_bo_gpu_offset - return GPU offset of bo
  73.  * @bo: radeon object for which we query the offset
  74.  *
  75.  * Returns current GPU offset of the object.
  76.  *
  77.  * Note: object should either be pinned or reserved when calling this
  78.  * function, it might be useful to add check for this for debugging.
  79.  */
  80. static inline u64 radeon_bo_gpu_offset(struct radeon_bo *bo)
  81. {
  82.         return bo->tbo.offset;
  83. }
  84.  
  85. static inline unsigned long radeon_bo_size(struct radeon_bo *bo)
  86. {
  87.         return bo->tbo.num_pages << PAGE_SHIFT;
  88. }
  89.  
  90. static inline bool radeon_bo_is_reserved(struct radeon_bo *bo)
  91. {
  92.         return !!atomic_read(&bo->tbo.reserved);
  93. }
  94.  
  95. /**
  96.  * radeon_bo_mmap_offset - return mmap offset of bo
  97.  * @bo: radeon object for which we query the offset
  98.  *
  99.  * Returns mmap offset of the object.
  100.  *
  101.  * Note: addr_space_offset is constant after ttm bo init thus isn't protected
  102.  * by any lock.
  103.  */
  104. static inline u64 radeon_bo_mmap_offset(struct radeon_bo *bo)
  105. {
  106.         return bo->tbo.addr_space_offset;
  107. }
  108.  
  109. static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
  110.                                         bool no_wait)
  111. {
  112.         int r;
  113.  
  114.         r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
  115.         if (unlikely(r != 0))
  116.                 return r;
  117. //      spin_lock(&bo->tbo.bdev->fence_lock);
  118.         if (mem_type)
  119.                 *mem_type = bo->tbo.mem.mem_type;
  120.         if (bo->tbo.sync_obj)
  121.                 r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
  122. //      spin_unlock(&bo->tbo.bdev->fence_lock);
  123.         ttm_bo_unreserve(&bo->tbo);
  124.         return r;
  125. }
  126.  
  127. extern int radeon_bo_create(struct radeon_device *rdev,
  128.                                 unsigned long size, int byte_align,
  129.                                 bool kernel, u32 domain,
  130.                                 struct radeon_bo **bo_ptr);
  131. extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
  132. extern void radeon_bo_kunmap(struct radeon_bo *bo);
  133. extern void radeon_bo_unref(struct radeon_bo **bo);
  134. extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr);
  135. extern int radeon_bo_unpin(struct radeon_bo *bo);
  136. extern int radeon_bo_evict_vram(struct radeon_device *rdev);
  137. extern void radeon_bo_force_delete(struct radeon_device *rdev);
  138. extern int radeon_bo_init(struct radeon_device *rdev);
  139. extern void radeon_bo_fini(struct radeon_device *rdev);
  140. extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
  141.                                 struct list_head *head);
  142. extern int radeon_bo_list_validate(struct list_head *head);
  143. extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
  144.                                 struct vm_area_struct *vma);
  145. extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo,
  146.                                 u32 tiling_flags, u32 pitch);
  147. extern void radeon_bo_get_tiling_flags(struct radeon_bo *bo,
  148.                                 u32 *tiling_flags, u32 *pitch);
  149. extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
  150.                                 bool force_drop);
  151. extern void radeon_bo_move_notify(struct ttm_buffer_object *bo,
  152.                                         struct ttm_mem_reg *mem);
  153. extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
  154. extern int radeon_bo_get_surface_reg(struct radeon_bo *bo);
  155. #endif
  156.