drivers/gpu/drm/i915/display/intel_panel.h

   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
  13 struct drm_connector;
  14 struct drm_connector_state;
  15 struct drm_display_mode;
  16 struct intel_connector;
  17 struct intel_crtc;
  18 struct intel_crtc_state;
  19 struct intel_encoder;
  20 struct intel_panel;
  21
  22 int intel_panel_init(struct intel_panel *panel,
  23                      struct drm_display_mode *fixed_mode,
  24                      struct drm_display_mode *downclock_mode);
  25 void intel_panel_fini(struct intel_panel *panel);
  26 void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
  27                             struct drm_display_mode *adjusted_mode);
  28 void intel_pch_panel_fitting(struct intel_crtc_state *crtc_state,
  29                              const struct drm_connector_state *conn_state);
  30 void intel_gmch_panel_fitting(struct intel_crtc_state *crtc_state,
  31                               const struct drm_connector_state *conn_state);
  32 void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state,
  33                                     u32 level, u32 max);
  34 int intel_panel_setup_backlight(struct drm_connector *connector,
  35                                 enum pipe pipe);
  36 void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state,
  37                                   const struct drm_connector_state *conn_state);
  38 void intel_panel_update_backlight(struct intel_atomic_state *state,
  39                                   struct intel_encoder *encoder,
  40                                   const struct intel_crtc_state *crtc_state,
  41                                   const struct drm_connector_state *conn_state);
  42 void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state);
  43 struct drm_display_mode *
  44 intel_panel_edid_downclock_mode(struct intel_connector *connector,
  45                                 const struct drm_display_mode *fixed_mode);
  46 struct drm_display_mode *
  47 intel_panel_edid_fixed_mode(struct intel_connector *connector);
  48 struct drm_display_mode *
  49 intel_panel_vbt_fixed_mode(struct intel_connector *connector);
  50
  51 #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
  52 int intel_backlight_device_register(struct intel_connector *connector);
  53 void intel_backlight_device_unregister(struct intel_connector *connector);
  54 #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
  55 static inline int intel_backlight_device_register(struct intel_connector *connector)
  56 {
  57         return 0;
  58 }
  59 static inline void intel_backlight_device_unregister(struct intel_connector *connector)
  60 {
  61 }
  62 #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
  63
  64 #endif /* __INTEL_PANEL_H__ */