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f64122c1 DA |
1 | /* |
2 | * Copyright 2013 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | * Authors: Dave Airlie | |
23 | * Alon Levy | |
24 | */ | |
25 | ||
26 | #include "qxl_drv.h" | |
27 | #include "qxl_object.h" | |
28 | ||
29 | /* dumb ioctls implementation */ | |
30 | ||
31 | int qxl_mode_dumb_create(struct drm_file *file_priv, | |
32 | struct drm_device *dev, | |
33 | struct drm_mode_create_dumb *args) | |
34 | { | |
35 | struct qxl_device *qdev = dev->dev_private; | |
36 | struct qxl_bo *qobj; | |
37 | uint32_t handle; | |
38 | int r; | |
39 | struct qxl_surface surf; | |
40 | uint32_t pitch, format; | |
41 | pitch = args->width * ((args->bpp + 1) / 8); | |
42 | args->size = pitch * args->height; | |
43 | args->size = ALIGN(args->size, PAGE_SIZE); | |
44 | ||
45 | switch (args->bpp) { | |
46 | case 16: | |
47 | format = SPICE_SURFACE_FMT_16_565; | |
48 | break; | |
49 | case 32: | |
50 | format = SPICE_SURFACE_FMT_32_xRGB; | |
51 | break; | |
52 | default: | |
53 | return -EINVAL; | |
54 | } | |
55 | ||
56 | surf.width = args->width; | |
57 | surf.height = args->height; | |
58 | surf.stride = pitch; | |
59 | surf.format = format; | |
60 | r = qxl_gem_object_create_with_handle(qdev, file_priv, | |
61 | QXL_GEM_DOMAIN_VRAM, | |
62 | args->size, &surf, &qobj, | |
63 | &handle); | |
64 | if (r) | |
65 | return r; | |
66 | args->pitch = pitch; | |
67 | args->handle = handle; | |
68 | return 0; | |
69 | } | |
70 | ||
f64122c1 DA |
71 | int qxl_mode_dumb_mmap(struct drm_file *file_priv, |
72 | struct drm_device *dev, | |
73 | uint32_t handle, uint64_t *offset_p) | |
74 | { | |
75 | struct drm_gem_object *gobj; | |
76 | struct qxl_bo *qobj; | |
77 | ||
78 | BUG_ON(!offset_p); | |
79 | gobj = drm_gem_object_lookup(dev, file_priv, handle); | |
80 | if (gobj == NULL) | |
81 | return -ENOENT; | |
82 | qobj = gem_to_qxl_bo(gobj); | |
83 | *offset_p = qxl_bo_mmap_offset(qobj); | |
84 | drm_gem_object_unreference_unlocked(gobj); | |
85 | return 0; | |
86 | } |