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 */
intel_backlight_device_register(struct intel_connector * connector)61 static inline int intel_backlight_device_register(struct intel_connector *connector)
62 {
63 return 0;
64 }
intel_backlight_device_unregister(struct intel_connector * connector)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__ */
71