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aead40ea TR |
1 | /* |
2 | * Copyright (C) 2013, NVIDIA Corporation. All rights reserved. | |
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, sub license, | |
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 | |
12 | * next paragraph) shall be included in all copies or substantial portions | |
13 | * 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 NON-INFRINGEMENT. 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 | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifndef __DRM_PANEL_H__ | |
25 | #define __DRM_PANEL_H__ | |
26 | ||
27 | #include <linux/list.h> | |
28 | ||
29 | struct drm_connector; | |
30 | struct drm_device; | |
31 | struct drm_panel; | |
32 | ||
33 | struct drm_panel_funcs { | |
34 | int (*disable)(struct drm_panel *panel); | |
35 | int (*enable)(struct drm_panel *panel); | |
36 | int (*get_modes)(struct drm_panel *panel); | |
37 | }; | |
38 | ||
39 | struct drm_panel { | |
40 | struct drm_device *drm; | |
41 | struct drm_connector *connector; | |
42 | struct device *dev; | |
43 | ||
44 | const struct drm_panel_funcs *funcs; | |
45 | ||
46 | struct list_head list; | |
47 | }; | |
48 | ||
49 | static inline int drm_panel_disable(struct drm_panel *panel) | |
50 | { | |
51 | if (panel && panel->funcs && panel->funcs->disable) | |
52 | return panel->funcs->disable(panel); | |
53 | ||
54 | return panel ? -ENOSYS : -EINVAL; | |
55 | } | |
56 | ||
57 | static inline int drm_panel_enable(struct drm_panel *panel) | |
58 | { | |
59 | if (panel && panel->funcs && panel->funcs->enable) | |
60 | return panel->funcs->enable(panel); | |
61 | ||
62 | return panel ? -ENOSYS : -EINVAL; | |
63 | } | |
64 | ||
65 | void drm_panel_init(struct drm_panel *panel); | |
66 | ||
67 | int drm_panel_add(struct drm_panel *panel); | |
68 | void drm_panel_remove(struct drm_panel *panel); | |
69 | ||
70 | int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector); | |
71 | int drm_panel_detach(struct drm_panel *panel); | |
72 | ||
73 | #ifdef CONFIG_OF | |
74 | struct drm_panel *of_drm_find_panel(struct device_node *np); | |
75 | #else | |
76 | static inline struct drm_panel *of_drm_find_panel(struct device_node *np) | |
77 | { | |
78 | return NULL; | |
79 | } | |
80 | #endif | |
81 | ||
82 | #endif |