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 enum drm_connector_status
  27 intel_panel_detect(struct drm_connector *connector, bool force);
  28 void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
  29                             struct drm_display_mode *adjusted_mode);
  30 int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state,
  31                             const struct drm_connector_state *conn_state);
  32 int intel_gmch_panel_fitting(struct intel_crtc_state *crtc_state,
  33                              const struct drm_connector_state *conn_state);
  34 void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state,
  35                                     u32 level, u32 max);
  36 int intel_panel_setup_backlight(struct drm_connector *connector,
  37                                 enum pipe pipe);
  38 void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state,
  39                                   const struct drm_connector_state *conn_state);
  40 void 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);
  44 void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state);
  45 struct drm_display_mode *
  46 intel_panel_edid_downclock_mode(struct intel_connector *connector,
  47                                 const struct drm_display_mode *fixed_mode);
  48 struct drm_display_mode *
  49 intel_panel_edid_fixed_mode(struct intel_connector *connector);
  50 struct drm_display_mode *
  51 intel_panel_vbt_fixed_mode(struct intel_connector *connector);
  52 void intel_panel_set_pwm_level(const struct drm_connector_state *conn_state, u32 level);
  53 u32 intel_panel_invert_pwm_level(struct intel_connector *connector, u32 level);
  54 u32 intel_panel_backlight_level_to_pwm(struct intel_connector *connector, u32 level);
  55 u32 intel_panel_backlight_level_from_pwm(struct intel_connector *connector, u32 val);
  56
  57 #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
  58 int intel_backlight_device_register(struct intel_connector *connector);
  59 void intel_backlight_device_unregister(struct intel_connector *connector);
  60 #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
  61 static inline int intel_backlight_device_register(struct intel_connector *connector)
  62 {
  63         return 0;
  64 }
  65 static inline void intel_backlight_device_unregister(struct intel_connector *connector)
  66 {
  67 }
  68 #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
  69
  70 #endif /* __INTEL_PANEL_H__ */