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 | /** |
13 | * struct dp_debug |
14 | * @debug_en: specifies whether debug mode enabled |
15 | * @vdisplay: used to filter out vdisplay value |
16 | * @hdisplay: used to filter out hdisplay value |
17 | * @vrefresh: used to filter out vrefresh value |
18 | * @tpg_state: specifies whether tpg feature is enabled |
19 | */ |
20 | struct dp_debug { |
21 | bool debug_en; |
22 | int aspect_ratio; |
23 | int vdisplay; |
24 | int hdisplay; |
25 | int vrefresh; |
26 | }; |
27 | |
28 | #if defined(CONFIG_DEBUG_FS) |
29 | |
30 | /** |
31 | * dp_debug_get() - configure and get the DisplayPlot debug module data |
32 | * |
33 | * @dev: device instance of the caller |
34 | * @panel: instance of panel module |
35 | * @link: instance of link module |
36 | * @connector: double pointer to display connector |
37 | * @root: connector's debugfs root |
38 | * @is_edp: set for eDP connectors / panels |
39 | * return: pointer to allocated debug module data |
40 | * |
41 | * This function sets up the debug module and provides a way |
42 | * for debugfs input to be communicated with existing modules |
43 | */ |
44 | struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel, |
45 | struct dp_link *link, |
46 | struct drm_connector *connector, |
47 | struct dentry *root, |
48 | bool is_edp); |
49 | |
50 | #else |
51 | |
52 | static inline |
53 | struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel, |
54 | struct dp_link *link, |
55 | struct drm_connector *connector, |
56 | struct dentry *root, |
57 | bool is_edp) |
58 | { |
59 | return ERR_PTR(-EINVAL); |
60 | } |
61 | |
62 | #endif /* defined(CONFIG_DEBUG_FS) */ |
63 | |
64 | #endif /* _DP_DEBUG_H_ */ |
65 | |