xref: /linux/drivers/gpu/drm/i915/display/intel_panel.h (revision 52338415)
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 *crtc,
29 			     struct intel_crtc_state *pipe_config,
30 			     int fitting_mode);
31 void intel_gmch_panel_fitting(struct intel_crtc *crtc,
32 			      struct intel_crtc_state *pipe_config,
33 			      int fitting_mode);
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_encoder *encoder,
41 				  const struct intel_crtc_state *crtc_state,
42 				  const struct drm_connector_state *conn_state);
43 void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state);
44 struct drm_display_mode *
45 intel_panel_edid_downclock_mode(struct intel_connector *connector,
46 				const struct drm_display_mode *fixed_mode);
47 struct drm_display_mode *
48 intel_panel_edid_fixed_mode(struct intel_connector *connector);
49 struct drm_display_mode *
50 intel_panel_vbt_fixed_mode(struct intel_connector *connector);
51 
52 #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
53 int intel_backlight_device_register(struct intel_connector *connector);
54 void intel_backlight_device_unregister(struct intel_connector *connector);
55 #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
56 static inline int intel_backlight_device_register(struct intel_connector *connector)
57 {
58 	return 0;
59 }
60 static inline void intel_backlight_device_unregister(struct intel_connector *connector)
61 {
62 }
63 #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
64 
65 #endif /* __INTEL_PANEL_H__ */
66