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
 |