xref: /linux/drivers/gpu/drm/msm/dp/dp_debug.h (revision ae22a94997b8a03dcb3c922857c203246711f9d4)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
4  */
5 
6 #ifndef _DP_DEBUG_H_
7 #define _DP_DEBUG_H_
8 
9 #include "dp_panel.h"
10 #include "dp_link.h"
11 
12 #if defined(CONFIG_DEBUG_FS)
13 
14 /**
15  * dp_debug_get() - configure and get the DisplayPlot debug module data
16  *
17  * @dev: device instance of the caller
18  * @panel: instance of panel module
19  * @link: instance of link module
20  * @connector: double pointer to display connector
21  * @root: connector's debugfs root
22  * @is_edp: set for eDP connectors / panels
23  * return: pointer to allocated debug module data
24  *
25  * This function sets up the debug module and provides a way
26  * for debugfs input to be communicated with existing modules
27  */
28 int dp_debug_init(struct device *dev, struct dp_panel *panel,
29 		  struct dp_link *link,
30 		  struct drm_connector *connector,
31 		  struct dentry *root,
32 		  bool is_edp);
33 
34 #else
35 
36 static inline
37 int dp_debug_init(struct device *dev, struct dp_panel *panel,
38 		  struct dp_link *link,
39 		  struct drm_connector *connector,
40 		  struct dentry *root,
41 		  bool is_edp)
42 {
43 	return -EINVAL;
44 }
45 
46 #endif /* defined(CONFIG_DEBUG_FS) */
47 
48 #endif /* _DP_DEBUG_H_ */
49