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c103d1cf MR |
1 | /* |
2 | * Copyright (C) 2011-2013 Intel Corporation | |
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 (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
21 | * SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifndef DRM_PLANE_HELPER_H | |
25 | #define DRM_PLANE_HELPER_H | |
26 | ||
7daf8d54 | 27 | #include <drm/drm_rect.h> |
3cb9ae4f | 28 | #include <drm/drm_crtc.h> |
7daf8d54 MR |
29 | |
30 | /* | |
31 | * Drivers that don't allow primary plane scaling may pass this macro in place | |
32 | * of the min/max scale parameters of the update checker function. | |
33 | * | |
34 | * Due to src being in 16.16 fixed point and dest being in integer pixels, | |
35 | * 1<<16 represents no scaling. | |
36 | */ | |
37 | #define DRM_PLANE_HELPER_NO_SCALING (1<<16) | |
38 | ||
c103d1cf MR |
39 | /** |
40 | * DOC: plane helpers | |
41 | * | |
42 | * Helper functions to assist with creation and handling of CRTC primary | |
43 | * planes. | |
44 | */ | |
45 | ||
3cb9ae4f DV |
46 | extern int drm_crtc_init(struct drm_device *dev, |
47 | struct drm_crtc *crtc, | |
48 | const struct drm_crtc_funcs *funcs); | |
49 | ||
7daf8d54 MR |
50 | extern int drm_plane_helper_check_update(struct drm_plane *plane, |
51 | struct drm_crtc *crtc, | |
52 | struct drm_framebuffer *fb, | |
53 | struct drm_rect *src, | |
54 | struct drm_rect *dest, | |
55 | const struct drm_rect *clip, | |
56 | int min_scale, | |
57 | int max_scale, | |
58 | bool can_position, | |
59 | bool can_update_disabled, | |
60 | bool *visible); | |
c103d1cf MR |
61 | extern int drm_primary_helper_update(struct drm_plane *plane, |
62 | struct drm_crtc *crtc, | |
63 | struct drm_framebuffer *fb, | |
64 | int crtc_x, int crtc_y, | |
65 | unsigned int crtc_w, unsigned int crtc_h, | |
66 | uint32_t src_x, uint32_t src_y, | |
67 | uint32_t src_w, uint32_t src_h); | |
68 | extern int drm_primary_helper_disable(struct drm_plane *plane); | |
69 | extern void drm_primary_helper_destroy(struct drm_plane *plane); | |
70 | extern const struct drm_plane_funcs drm_primary_helper_funcs; | |
71 | extern struct drm_plane *drm_primary_helper_create_plane(struct drm_device *dev, | |
f220e626 | 72 | const uint32_t *formats, |
c103d1cf MR |
73 | int num_formats); |
74 | ||
75 | ||
76 | #endif |