2 * Copyright (C) 2013, NVIDIA Corporation. All rights reserved.
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:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
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.
24 #ifndef __DRM_PANEL_H__
25 #define __DRM_PANEL_H__
27 #include <linux/list.h>
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);
40 struct drm_device *drm;
41 struct drm_connector *connector;
44 const struct drm_panel_funcs *funcs;
46 struct list_head list;
49 static inline int drm_panel_disable(struct drm_panel *panel)
51 if (panel && panel->funcs && panel->funcs->disable)
52 return panel->funcs->disable(panel);
54 return panel ? -ENOSYS : -EINVAL;
57 static inline int drm_panel_enable(struct drm_panel *panel)
59 if (panel && panel->funcs && panel->funcs->enable)
60 return panel->funcs->enable(panel);
62 return panel ? -ENOSYS : -EINVAL;
65 void drm_panel_init(struct drm_panel *panel);
67 int drm_panel_add(struct drm_panel *panel);
68 void drm_panel_remove(struct drm_panel *panel);
70 int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
71 int drm_panel_detach(struct drm_panel *panel);
74 struct drm_panel *of_drm_find_panel(struct device_node *np);
76 static inline struct drm_panel *of_drm_find_panel(struct device_node *np)