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4075 | Serge | 1 | /************************************************************************** |
2 | * |
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3 | * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA |
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4 | * All Rights Reserved. |
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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 |
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8 | * "Software"), to deal in the Software without restriction, including |
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9 | * without limitation the rights to use, copy, modify, merge, publish, |
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10 | * distribute, sub license, and/or sell copies of the Software, and to |
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11 | * permit persons to whom the Software is furnished to do so, subject to |
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12 | * the following conditions: |
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13 | * |
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14 | * The above copyright notice and this permission notice (including the |
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15 | * next paragraph) shall be included in all copies or substantial portions |
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16 | * of the Software. |
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17 | * |
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18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
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25 | * |
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26 | **************************************************************************/ |
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27 | |||
28 | #include |
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29 | #include "vmwgfx_drv.h" |
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30 | |||
31 | #if 0 |
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32 | int vmw_mmap(struct file *filp, struct vm_area_struct *vma) |
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33 | { |
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34 | struct drm_file *file_priv; |
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35 | struct vmw_private *dev_priv; |
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36 | |||
37 | // if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) { |
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38 | // DRM_ERROR("Illegal attempt to mmap old fifo space.\n"); |
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39 | // return -EINVAL; |
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40 | // } |
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41 | |||
42 | file_priv = filp->private_data; |
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43 | dev_priv = vmw_priv(file_priv->minor->dev); |
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44 | return ttm_bo_mmap(filp, vma, &dev_priv->bdev); |
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45 | } |
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46 | #endif |
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47 | |||
48 | static int vmw_ttm_mem_global_init(struct drm_global_reference *ref) |
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49 | { |
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50 | DRM_INFO("global init.\n"); |
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51 | return ttm_mem_global_init(ref->object); |
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52 | } |
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53 | |||
54 | static void vmw_ttm_mem_global_release(struct drm_global_reference *ref) |
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55 | { |
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56 | } |
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57 | |||
58 | int vmw_ttm_global_init(struct vmw_private *dev_priv) |
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59 | { |
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60 | ENTER(); |
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61 | |||
62 | struct drm_global_reference *global_ref; |
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63 | int ret; |
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64 | |||
65 | global_ref = &dev_priv->mem_global_ref; |
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66 | global_ref->global_type = DRM_GLOBAL_TTM_MEM; |
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67 | global_ref->size = sizeof(struct ttm_mem_global); |
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68 | global_ref->init = &vmw_ttm_mem_global_init; |
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69 | global_ref->release = &vmw_ttm_mem_global_release; |
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70 | |||
71 | ret = drm_global_item_ref(global_ref); |
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72 | if (unlikely(ret != 0)) { |
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73 | DRM_ERROR("Failed setting up TTM memory accounting.\n"); |
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74 | return ret; |
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75 | } |
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76 | |||
77 | dev_priv->bo_global_ref.mem_glob = |
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78 | dev_priv->mem_global_ref.object; |
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79 | global_ref = &dev_priv->bo_global_ref.ref; |
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80 | global_ref->global_type = DRM_GLOBAL_TTM_BO; |
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81 | global_ref->size = sizeof(struct ttm_bo_global); |
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82 | global_ref->init = &ttm_bo_global_init; |
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83 | global_ref->release = &ttm_bo_global_release; |
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84 | ret = drm_global_item_ref(global_ref); |
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85 | |||
86 | if (unlikely(ret != 0)) { |
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87 | DRM_ERROR("Failed setting up TTM buffer objects.\n"); |
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88 | goto out_no_bo; |
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89 | } |
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90 | |||
91 | LEAVE(); |
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92 | return 0; |
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93 | out_no_bo: |
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94 | drm_global_item_unref(&dev_priv->mem_global_ref); |
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95 | return ret; |
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96 | } |
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97 | |||
98 | void vmw_ttm_global_release(struct vmw_private *dev_priv) |
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99 | { |
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100 | drm_global_item_unref(&dev_priv->bo_global_ref.ref); |
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101 | drm_global_item_unref(&dev_priv->mem_global_ref); |
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102 | }> |