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 */
20struct 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 * @usbpd: instance of usbpd module
36 * @link: instance of link module
37 * @connector: double pointer to display connector
38 * @minor: pointer to drm minor number after device registration
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 */
44struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
45		struct dp_usbpd *usbpd, struct dp_link *link,
46		struct drm_connector **connector,
47		struct drm_minor *minor);
48
49/**
50 * dp_debug_put()
51 *
52 * Cleans up dp_debug instance
53 *
54 * @dp_debug: instance of dp_debug
55 */
56void dp_debug_put(struct dp_debug *dp_debug);
57
58#else
59
60static inline
61struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
62		struct dp_usbpd *usbpd, struct dp_link *link,
63		struct drm_connector **connector, struct drm_minor *minor)
64{
65	return ERR_PTR(-EINVAL);
66}
67
68static inline void dp_debug_put(struct dp_debug *dp_debug)
69{
70}
71
72#endif /* defined(CONFIG_DEBUG_FS) */
73
74#endif /* _DP_DEBUG_H_ */