drm/atomic-helpers: functions for state duplicate/destroy/reset
[firefly-linux-kernel-4.4.55.git] / include / drm / drm_atomic_helper.h
1 /*
2  * Copyright (C) 2014 Red Hat
3  * Copyright (C) 2014 Intel Corp.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors:
24  * Rob Clark <robdclark@gmail.com>
25  * Daniel Vetter <daniel.vetter@ffwll.ch>
26  */
27
28 #ifndef DRM_ATOMIC_HELPER_H_
29 #define DRM_ATOMIC_HELPER_H_
30
31 int drm_atomic_helper_check(struct drm_device *dev,
32                             struct drm_atomic_state *state);
33 int drm_atomic_helper_commit(struct drm_device *dev,
34                              struct drm_atomic_state *state,
35                              bool async);
36
37 void drm_atomic_helper_commit_pre_planes(struct drm_device *dev,
38                                          struct drm_atomic_state *state);
39 void drm_atomic_helper_commit_post_planes(struct drm_device *dev,
40                                           struct drm_atomic_state *old_state);
41
42 int drm_atomic_helper_prepare_planes(struct drm_device *dev,
43                                      struct drm_atomic_state *state);
44 void drm_atomic_helper_commit_planes(struct drm_device *dev,
45                                      struct drm_atomic_state *state);
46 void drm_atomic_helper_cleanup_planes(struct drm_device *dev,
47                                       struct drm_atomic_state *old_state);
48
49 void drm_atomic_helper_swap_state(struct drm_device *dev,
50                                   struct drm_atomic_state *state);
51
52 /* implementations for legacy interfaces */
53 int drm_atomic_helper_update_plane(struct drm_plane *plane,
54                                    struct drm_crtc *crtc,
55                                    struct drm_framebuffer *fb,
56                                    int crtc_x, int crtc_y,
57                                    unsigned int crtc_w, unsigned int crtc_h,
58                                    uint32_t src_x, uint32_t src_y,
59                                    uint32_t src_w, uint32_t src_h);
60 int drm_atomic_helper_disable_plane(struct drm_plane *plane);
61 int drm_atomic_helper_set_config(struct drm_mode_set *set);
62
63 int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc,
64                                         struct drm_property *property,
65                                         uint64_t val);
66 int drm_atomic_helper_plane_set_property(struct drm_plane *plane,
67                                         struct drm_property *property,
68                                         uint64_t val);
69 int drm_atomic_helper_connector_set_property(struct drm_connector *connector,
70                                         struct drm_property *property,
71                                         uint64_t val);
72 int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
73                                 struct drm_framebuffer *fb,
74                                 struct drm_pending_vblank_event *event,
75                                 uint32_t flags);
76
77 /* default implementations for state handling */
78 void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc);
79 struct drm_crtc_state *
80 drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc);
81 void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
82                                           struct drm_crtc_state *state);
83
84 void drm_atomic_helper_plane_reset(struct drm_plane *plane);
85 struct drm_plane_state *
86 drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane);
87 void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
88                                           struct drm_plane_state *state);
89
90 void drm_atomic_helper_connector_reset(struct drm_connector *connector);
91 struct drm_connector_state *
92 drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector);
93 void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
94                                           struct drm_connector_state *state);
95
96
97 #endif /* DRM_ATOMIC_HELPER_H_ */