83 строки
2.4 KiB
C
83 строки
2.4 KiB
C
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/*
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* Copyright (C) 2013, NVIDIA Corporation. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __DRM_PANEL_H__
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#define __DRM_PANEL_H__
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#include <linux/list.h>
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struct drm_connector;
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struct drm_device;
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struct drm_panel;
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struct drm_panel_funcs {
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int (*disable)(struct drm_panel *panel);
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int (*enable)(struct drm_panel *panel);
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int (*get_modes)(struct drm_panel *panel);
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};
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struct drm_panel {
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struct drm_device *drm;
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struct drm_connector *connector;
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struct device *dev;
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const struct drm_panel_funcs *funcs;
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struct list_head list;
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};
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static inline int drm_panel_disable(struct drm_panel *panel)
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{
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if (panel && panel->funcs && panel->funcs->disable)
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return panel->funcs->disable(panel);
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return panel ? -ENOSYS : -EINVAL;
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}
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static inline int drm_panel_enable(struct drm_panel *panel)
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{
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if (panel && panel->funcs && panel->funcs->enable)
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return panel->funcs->enable(panel);
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return panel ? -ENOSYS : -EINVAL;
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}
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void drm_panel_init(struct drm_panel *panel);
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int drm_panel_add(struct drm_panel *panel);
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void drm_panel_remove(struct drm_panel *panel);
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int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
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int drm_panel_detach(struct drm_panel *panel);
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#ifdef CONFIG_OF
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struct drm_panel *of_drm_find_panel(struct device_node *np);
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#else
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static inline struct drm_panel *of_drm_find_panel(struct device_node *np)
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{
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return NULL;
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}
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#endif
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#endif
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