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 int intel_pch_panel_fitting(struct intel_crtc_state *crtc_state, 29 const struct drm_connector_state *conn_state); 30 int 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__ */ 65