WebSVN – Kolibri OS – Diff – /drivers/video/drm/vmwgfx/vmwgfx_ttm_glue.c


/**************************************************************************
 *
 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/
 
#include 
#include "vmwgfx_drv.h"
 
#if 0
int vmw_mmap(struct file *filp, struct vm_area_struct *vma)
{
	struct drm_file *file_priv;
	struct vmw_private *dev_priv;
 
//   if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) {
//       DRM_ERROR("Illegal attempt to mmap old fifo space.\n");
//       return -EINVAL;
//   }
 
	file_priv = filp->private_data;
	dev_priv = vmw_priv(file_priv->minor->dev);
	return ttm_bo_mmap(filp, vma, &dev_priv->bdev);
}
#endif
 
static int vmw_ttm_mem_global_init(struct drm_global_reference *ref)
{
	DRM_INFO("global init.\n");
	return ttm_mem_global_init(ref->object);
}
 
static void vmw_ttm_mem_global_release(struct drm_global_reference *ref)
{
 
}
 
int vmw_ttm_global_init(struct vmw_private *dev_priv)
{
    ENTER();
 
	struct drm_global_reference *global_ref;
	int ret;
 
	global_ref = &dev_priv->mem_global_ref;
	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
	global_ref->size = sizeof(struct ttm_mem_global);
	global_ref->init = &vmw_ttm_mem_global_init;
	global_ref->release = &vmw_ttm_mem_global_release;
 
	ret = drm_global_item_ref(global_ref);
	if (unlikely(ret != 0)) {
		DRM_ERROR("Failed setting up TTM memory accounting.\n");
		return ret;
	}
 
	dev_priv->bo_global_ref.mem_glob =
		dev_priv->mem_global_ref.object;
	global_ref = &dev_priv->bo_global_ref.ref;
	global_ref->global_type = DRM_GLOBAL_TTM_BO;
	global_ref->size = sizeof(struct ttm_bo_global);
	global_ref->init = &ttm_bo_global_init;
	global_ref->release = &ttm_bo_global_release;
	ret = drm_global_item_ref(global_ref);
 
	if (unlikely(ret != 0)) {
		DRM_ERROR("Failed setting up TTM buffer objects.\n");
		goto out_no_bo;
	}
 
    LEAVE();
	return 0;
out_no_bo:
	drm_global_item_unref(&dev_priv->mem_global_ref);
	return ret;
}
 
void vmw_ttm_global_release(struct vmw_private *dev_priv)
{
	drm_global_item_unref(&dev_priv->bo_global_ref.ref);
	drm_global_item_unref(&dev_priv->mem_global_ref);
}

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/vmwgfx/vmwgfx_ttm_glue.c – Rev 4111 → 5078

Rev 4111		Rev 5078
1	/**************************************************************************	1	/**************************************************************************
2	*	2	*
3	* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA	3	* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
4	* All Rights Reserved.	4	* All Rights Reserved.
5	*	5	*
6	* Permission is hereby granted, free of charge, to any person obtaining a	6	* Permission is hereby granted, free of charge, to any person obtaining a
7	* copy of this software and associated documentation files (the	7	* copy of this software and associated documentation files (the
8	* "Software"), to deal in the Software without restriction, including	8	* "Software"), to deal in the Software without restriction, including
9	* without limitation the rights to use, copy, modify, merge, publish,	9	* without limitation the rights to use, copy, modify, merge, publish,
10	* distribute, sub license, and/or sell copies of the Software, and to	10	* distribute, sub license, and/or sell copies of the Software, and to
11	* permit persons to whom the Software is furnished to do so, subject to	11	* permit persons to whom the Software is furnished to do so, subject to
12	* the following conditions:	12	* the following conditions:
13	*	13	*
14	* The above copyright notice and this permission notice (including the	14	* The above copyright notice and this permission notice (including the
15	* next paragraph) shall be included in all copies or substantial portions	15	* next paragraph) shall be included in all copies or substantial portions
16	* of the Software.	16	* of the Software.
17	*	17	*
18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL	20	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,	21	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR	22	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE	23	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24	* USE OR OTHER DEALINGS IN THE SOFTWARE.	24	* USE OR OTHER DEALINGS IN THE SOFTWARE.
25	*	25	*
26	**************************************************************************/	26	**************************************************************************/
27		27
28	#include	28	#include
29	#include "vmwgfx_drv.h"	29	#include "vmwgfx_drv.h"
30		30
31	#if 0	31	#if 0
32	int vmw_mmap(struct file filp, struct vm_area_struct vma)	32	int vmw_mmap(struct file filp, struct vm_area_struct vma)
33	{	33	{
34	struct drm_file *file_priv;	34	struct drm_file *file_priv;
35	struct vmw_private *dev_priv;	35	struct vmw_private *dev_priv;
36		36
37	// if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) {	37	// if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) {
38	// DRM_ERROR("Illegal attempt to mmap old fifo space.\n");	38	// DRM_ERROR("Illegal attempt to mmap old fifo space.\n");
39	// return -EINVAL;	39	// return -EINVAL;
40	// }	40	// }
41		41
42	file_priv = filp->private_data;	42	file_priv = filp->private_data;
43	dev_priv = vmw_priv(file_priv->minor->dev);	43	dev_priv = vmw_priv(file_priv->minor->dev);
44	return ttm_bo_mmap(filp, vma, &dev_priv->bdev);	44	return ttm_bo_mmap(filp, vma, &dev_priv->bdev);
45	}	45	}
46	#endif	46	#endif
47		47
48	static int vmw_ttm_mem_global_init(struct drm_global_reference *ref)	48	static int vmw_ttm_mem_global_init(struct drm_global_reference *ref)
49	{	49	{
50	DRM_INFO("global init.\n");	50	DRM_INFO("global init.\n");
51	return ttm_mem_global_init(ref->object);	51	return ttm_mem_global_init(ref->object);
52	}	52	}
53		53
54	static void vmw_ttm_mem_global_release(struct drm_global_reference *ref)	54	static void vmw_ttm_mem_global_release(struct drm_global_reference *ref)
55	{	55	{
56	// ttm_mem_global_release(ref->object);	-
57	}	56	}
58		57
59	int vmw_ttm_global_init(struct vmw_private *dev_priv)	58	int vmw_ttm_global_init(struct vmw_private *dev_priv)
60	{	59	{
61	ENTER();	60	ENTER();
62		61
63	struct drm_global_reference *global_ref;	62	struct drm_global_reference *global_ref;
64	int ret;	63	int ret;
65		64
66	global_ref = &dev_priv->mem_global_ref;	65	global_ref = &dev_priv->mem_global_ref;
67	global_ref->global_type = DRM_GLOBAL_TTM_MEM;	66	global_ref->global_type = DRM_GLOBAL_TTM_MEM;
68	global_ref->size = sizeof(struct ttm_mem_global);	67	global_ref->size = sizeof(struct ttm_mem_global);
69	global_ref->init = &vmw_ttm_mem_global_init;	68	global_ref->init = &vmw_ttm_mem_global_init;
70	global_ref->release = &vmw_ttm_mem_global_release;	69	global_ref->release = &vmw_ttm_mem_global_release;
71		70
72	ret = drm_global_item_ref(global_ref);	71	ret = drm_global_item_ref(global_ref);
73	if (unlikely(ret != 0)) {	72	if (unlikely(ret != 0)) {
74	DRM_ERROR("Failed setting up TTM memory accounting.\n");	73	DRM_ERROR("Failed setting up TTM memory accounting.\n");
75	return ret;	74	return ret;
76	}	75	}
77		76
78	dev_priv->bo_global_ref.mem_glob =	77	dev_priv->bo_global_ref.mem_glob =
79	dev_priv->mem_global_ref.object;	78	dev_priv->mem_global_ref.object;
80	global_ref = &dev_priv->bo_global_ref.ref;	79	global_ref = &dev_priv->bo_global_ref.ref;
81	global_ref->global_type = DRM_GLOBAL_TTM_BO;	80	global_ref->global_type = DRM_GLOBAL_TTM_BO;
82	global_ref->size = sizeof(struct ttm_bo_global);	81	global_ref->size = sizeof(struct ttm_bo_global);
83	global_ref->init = &ttm_bo_global_init;	82	global_ref->init = &ttm_bo_global_init;
84	global_ref->release = &ttm_bo_global_release;	83	global_ref->release = &ttm_bo_global_release;
85	ret = drm_global_item_ref(global_ref);	84	ret = drm_global_item_ref(global_ref);
86		85
87	if (unlikely(ret != 0)) {	86	if (unlikely(ret != 0)) {
88	DRM_ERROR("Failed setting up TTM buffer objects.\n");	87	DRM_ERROR("Failed setting up TTM buffer objects.\n");
89	goto out_no_bo;	88	goto out_no_bo;
90	}	89	}
91		90
92	LEAVE();	91	LEAVE();
93	return 0;	92	return 0;
94	out_no_bo:	93	out_no_bo:
95	drm_global_item_unref(&dev_priv->mem_global_ref);	94	drm_global_item_unref(&dev_priv->mem_global_ref);
96	return ret;	95	return ret;
97	}	96	}
98		97
99	void vmw_ttm_global_release(struct vmw_private *dev_priv)	98	void vmw_ttm_global_release(struct vmw_private *dev_priv)
100	{	99	{
101	drm_global_item_unref(&dev_priv->bo_global_ref.ref);	100	drm_global_item_unref(&dev_priv->bo_global_ref.ref);
102	drm_global_item_unref(&dev_priv->mem_global_ref);	101	drm_global_item_unref(&dev_priv->mem_global_ref);
103	}	102	}