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fb1d9738 JB |
1 | /************************************************************************** |
2 | * | |
3 | * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
7 | * copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation the rights to use, copy, modify, merge, publish, | |
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 | |
12 | * the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial portions | |
16 | * of the Software. | |
17 | * | |
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, | |
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, | |
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 | |
24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | |
25 | * | |
26 | **************************************************************************/ | |
27 | ||
28 | #include "vmwgfx_drv.h" | |
29 | #include "vmwgfx_drm.h" | |
30 | ||
31 | int vmw_getparam_ioctl(struct drm_device *dev, void *data, | |
32 | struct drm_file *file_priv) | |
33 | { | |
34 | struct vmw_private *dev_priv = vmw_priv(dev); | |
35 | struct drm_vmw_getparam_arg *param = | |
36 | (struct drm_vmw_getparam_arg *)data; | |
37 | ||
38 | switch (param->param) { | |
39 | case DRM_VMW_PARAM_NUM_STREAMS: | |
40 | param->value = vmw_overlay_num_overlays(dev_priv); | |
41 | break; | |
42 | case DRM_VMW_PARAM_NUM_FREE_STREAMS: | |
43 | param->value = vmw_overlay_num_free_overlays(dev_priv); | |
44 | break; | |
45 | case DRM_VMW_PARAM_3D: | |
8e19a951 | 46 | param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0; |
fb1d9738 | 47 | break; |
f77cef3d TH |
48 | case DRM_VMW_PARAM_HW_CAPS: |
49 | param->value = dev_priv->capabilities; | |
50 | break; | |
51 | case DRM_VMW_PARAM_FIFO_CAPS: | |
52 | param->value = dev_priv->fifo.capabilities; | |
53 | break; | |
30f47fc8 TH |
54 | case DRM_VMW_PARAM_MAX_FB_SIZE: |
55 | param->value = dev_priv->vram_size; | |
56 | break; | |
f63f6a59 TH |
57 | case DRM_VMW_PARAM_FIFO_HW_VERSION: |
58 | { | |
59 | __le32 __iomem *fifo_mem = dev_priv->mmio_virt; | |
60 | ||
61 | param->value = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION); | |
62 | break; | |
63 | } | |
fb1d9738 JB |
64 | default: |
65 | DRM_ERROR("Illegal vmwgfx get param request: %d\n", | |
66 | param->param); | |
67 | return -EINVAL; | |
68 | } | |
69 | ||
70 | return 0; | |
71 | } | |
f63f6a59 TH |
72 | |
73 | ||
74 | int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, | |
75 | struct drm_file *file_priv) | |
76 | { | |
77 | struct drm_vmw_get_3d_cap_arg *arg = | |
78 | (struct drm_vmw_get_3d_cap_arg *) data; | |
79 | struct vmw_private *dev_priv = vmw_priv(dev); | |
80 | uint32_t size; | |
81 | __le32 __iomem *fifo_mem; | |
82 | void __user *buffer = (void __user *)((unsigned long)(arg->buffer)); | |
83 | void *bounce; | |
84 | int ret; | |
85 | ||
86 | if (unlikely(arg->pad64 != 0)) { | |
87 | DRM_ERROR("Illegal GET_3D_CAP argument.\n"); | |
88 | return -EINVAL; | |
89 | } | |
90 | ||
91 | size = (SVGA_FIFO_3D_CAPS_LAST - SVGA_FIFO_3D_CAPS + 1) << 2; | |
92 | ||
93 | if (arg->max_size < size) | |
94 | size = arg->max_size; | |
95 | ||
96 | bounce = vmalloc(size); | |
97 | if (unlikely(bounce == NULL)) { | |
98 | DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n"); | |
99 | return -ENOMEM; | |
100 | } | |
101 | ||
102 | fifo_mem = dev_priv->mmio_virt; | |
103 | memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size); | |
104 | ||
105 | ret = copy_to_user(buffer, bounce, size); | |
106 | vfree(bounce); | |
107 | ||
108 | if (unlikely(ret != 0)) | |
109 | DRM_ERROR("Failed to report 3D caps info.\n"); | |
110 | ||
111 | return ret; | |
112 | } |