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