LXR linux/drivers/gpu/drm/msm/dp/dp

   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_ */
  75