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      1 /*	$NetBSD: intel_panel.h,v 1.2 2021/12/18 23:45:30 riastradh Exp $	*/
      2 
      3 /* SPDX-License-Identifier: MIT */
      4 /*
      5  * Copyright  2019 Intel Corporation
      6  */
      7 
      8 #ifndef __INTEL_PANEL_H__
      9 #define __INTEL_PANEL_H__
     10 
     11 #include <linux/types.h>
     12 
     13 #include "intel_display.h"
     14 
     15 struct drm_connector;
     16 struct drm_connector_state;
     17 struct drm_display_mode;
     18 struct intel_connector;
     19 struct intel_crtc;
     20 struct intel_crtc_state;
     21 struct intel_encoder;
     22 struct intel_panel;
     23 
     24 int intel_panel_init(struct intel_panel *panel,
     25 		     struct drm_display_mode *fixed_mode,
     26 		     struct drm_display_mode *downclock_mode);
     27 void intel_panel_fini(struct intel_panel *panel);
     28 void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
     29 			    struct drm_display_mode *adjusted_mode);
     30 void intel_pch_panel_fitting(struct intel_crtc *crtc,
     31 			     struct intel_crtc_state *pipe_config,
     32 			     int fitting_mode);
     33 void intel_gmch_panel_fitting(struct intel_crtc *crtc,
     34 			      struct intel_crtc_state *pipe_config,
     35 			      int fitting_mode);
     36 void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state,
     37 				    u32 level, u32 max);
     38 int intel_panel_setup_backlight(struct drm_connector *connector,
     39 				enum pipe pipe);
     40 void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state,
     41 				  const struct drm_connector_state *conn_state);
     42 void intel_panel_update_backlight(struct intel_encoder *encoder,
     43 				  const struct intel_crtc_state *crtc_state,
     44 				  const struct drm_connector_state *conn_state);
     45 void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state);
     46 struct drm_display_mode *
     47 intel_panel_edid_downclock_mode(struct intel_connector *connector,
     48 				const struct drm_display_mode *fixed_mode);
     49 struct drm_display_mode *
     50 intel_panel_edid_fixed_mode(struct intel_connector *connector);
     51 struct drm_display_mode *
     52 intel_panel_vbt_fixed_mode(struct intel_connector *connector);
     53 
     54 #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
     55 int intel_backlight_device_register(struct intel_connector *connector);
     56 void intel_backlight_device_unregister(struct intel_connector *connector);
     57 #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
     58 static inline int intel_backlight_device_register(struct intel_connector *connector)
     59 {
     60 	return 0;
     61 }
     62 static inline void intel_backlight_device_unregister(struct intel_connector *connector)
     63 {
     64 }
     65 #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
     66 
     67 #endif /* __INTEL_PANEL_H__ */
     68