LXR uboot/include/panel.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright (c) 2016 Google, Inc
   4 * Written by Simon Glass <sjg@chromium.org>
   5 */
   6
   7#ifndef _PANEL_H
   8#define _PANEL_H
   9
  10struct panel_ops {
  11        /**
  12         * enable_backlight() - Enable the panel backlight
  13         *
  14         * @dev:        Panel device containing the backlight to enable
  15         * @return 0 if OK, -ve on error
  16         */
  17        int (*enable_backlight)(struct udevice *dev);
  18
  19        /**
  20         * set_backlight - Set panel backlight brightness
  21         *
  22         * @dev:        Panel device containing the backlight to update
  23         * @percent:    Brightness value (0 to 100, or BACKLIGHT_... value)
  24         * @return 0 if OK, -ve on error
  25         */
  26        int (*set_backlight)(struct udevice *dev, int percent);
  27
  28        /**
  29         * get_timings() - Get display timings from panel.
  30         *
  31         * @dev:        Panel device containing the display timings
  32         * @tim:        Place to put timings
  33         * @return 0 if OK, -ve on error
  34         */
  35        int (*get_display_timing)(struct udevice *dev,
  36                                  struct display_timing *timing);
  37};
  38
  39#define panel_get_ops(dev)      ((struct panel_ops *)(dev)->driver->ops)
  40
  41/**
  42 * panel_enable_backlight() - Enable/disable the panel backlight
  43 *
  44 * @dev:        Panel device containing the backlight to enable
  45 * @enable:     true to enable the backlight, false to dis
  46 * @return 0 if OK, -ve on error
  47 */
  48int panel_enable_backlight(struct udevice *dev);
  49
  50/**
  51 * panel_set_backlight - Set brightness for the panel backlight
  52 *
  53 * @dev:        Panel device containing the backlight to update
  54 * @percent:    Brightness value (0 to 100, or BACKLIGHT_... value)
  55 * @return 0 if OK, -ve on error
  56 */
  57int panel_set_backlight(struct udevice *dev, int percent);
  58
  59/**
  60 * panel_get_display_timing() - Get display timings from panel.
  61 *
  62 * @dev:        Panel device containing the display timings
  63 * @return 0 if OK, -ve on error
  64 */
  65int panel_get_display_timing(struct udevice *dev,
  66                             struct display_timing *timing);
  67
  68#endif
  69