LXR linux/drivers/gpu/drm/i915/display/intel

   1/* SPDX-License-Identifier: MIT */
   2/*
   3 * Copyright © 2019 Intel Corporation
   4 */
   5
   6#ifndef __INTEL_PANEL_H__
   7#define __INTEL_PANEL_H__
   8
   9#include <linux/types.h>
  10
  11#include "intel_display.h"
  12
  13struct drm_connector;
  14struct drm_connector_state;
  15struct drm_display_mode;
  16struct intel_connector;
  17struct intel_crtc;
  18struct intel_crtc_state;
  19struct intel_encoder;
  20struct intel_panel;
  21
  22int intel_panel_init(struct intel_panel *panel,
  23                     struct drm_display_mode *fixed_mode,
  24                     struct drm_display_mode *downclock_mode);
  25void intel_panel_fini(struct intel_panel *panel);
  26enum drm_connector_status
  27intel_panel_detect(struct drm_connector *connector, bool force);
  28void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
  29                            struct drm_display_mode *adjusted_mode);
  30int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state,
  31                            const struct drm_connector_state *conn_state);
  32int intel_gmch_panel_fitting(struct intel_crtc_state *crtc_state,
  33                             const struct drm_connector_state *conn_state);
  34void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state,
  35                                    u32 level, u32 max);
  36int intel_panel_setup_backlight(struct drm_connector *connector,
  37                                enum pipe pipe);
  38void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state,
  39                                  const struct drm_connector_state *conn_state);
  40void intel_panel_update_backlight(struct intel_atomic_state *state,
  41                                  struct intel_encoder *encoder,
  42                                  const struct intel_crtc_state *crtc_state,
  43                                  const struct drm_connector_state *conn_state);
  44void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state);
  45struct drm_display_mode *
  46intel_panel_edid_downclock_mode(struct intel_connector *connector,
  47                                const struct drm_display_mode *fixed_mode);
  48struct drm_display_mode *
  49intel_panel_edid_fixed_mode(struct intel_connector *connector);
  50struct drm_display_mode *
  51intel_panel_vbt_fixed_mode(struct intel_connector *connector);
  52void intel_panel_set_pwm_level(const struct drm_connector_state *conn_state, u32 level);
  53u32 intel_panel_invert_pwm_level(struct intel_connector *connector, u32 level);
  54u32 intel_panel_backlight_level_to_pwm(struct intel_connector *connector, u32 level);
  55u32 intel_panel_backlight_level_from_pwm(struct intel_connector *connector, u32 val);
  56
  57#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
  58int intel_backlight_device_register(struct intel_connector *connector);
  59void intel_backlight_device_unregister(struct intel_connector *connector);
  60#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
  61static inline int intel_backlight_device_register(struct intel_connector *connector)
  62{
  63        return 0;
  64}
  65static inline void intel_backlight_device_unregister(struct intel_connector *connector)
  66{
  67}
  68#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
  69
  70#endif /* __INTEL_PANEL_H__ */
  71