1 | /* SPDX-License-Identifier: MIT */ |
2 | /* |
3 | * Copyright © 2021 Intel Corporation |
4 | */ |
5 | |
6 | #ifndef __INTEL_BACKLIGHT_H__ |
7 | #define __INTEL_BACKLIGHT_H__ |
8 | |
9 | #include <linux/types.h> |
10 | |
11 | struct drm_connector_state; |
12 | struct intel_atomic_state; |
13 | struct intel_connector; |
14 | struct intel_crtc_state; |
15 | struct intel_encoder; |
16 | struct intel_panel; |
17 | enum pipe; |
18 | |
19 | void intel_backlight_init_funcs(struct intel_panel *panel); |
20 | int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe); |
21 | void intel_backlight_destroy(struct intel_panel *panel); |
22 | |
23 | void intel_backlight_enable(const struct intel_crtc_state *crtc_state, |
24 | const struct drm_connector_state *conn_state); |
25 | void intel_backlight_update(struct intel_atomic_state *state, |
26 | struct intel_encoder *encoder, |
27 | const struct intel_crtc_state *crtc_state, |
28 | const struct drm_connector_state *conn_state); |
29 | void intel_backlight_disable(const struct drm_connector_state *old_conn_state); |
30 | |
31 | void intel_backlight_set_acpi(const struct drm_connector_state *conn_state, |
32 | u32 level, u32 max); |
33 | void intel_backlight_set_pwm_level(const struct drm_connector_state *conn_state, |
34 | u32 level); |
35 | u32 intel_backlight_invert_pwm_level(struct intel_connector *connector, u32 level); |
36 | u32 intel_backlight_level_to_pwm(struct intel_connector *connector, u32 level); |
37 | u32 intel_backlight_level_from_pwm(struct intel_connector *connector, u32 val); |
38 | |
39 | #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) |
40 | int intel_backlight_device_register(struct intel_connector *connector); |
41 | void intel_backlight_device_unregister(struct intel_connector *connector); |
42 | #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */ |
43 | static inline int intel_backlight_device_register(struct intel_connector *connector) |
44 | { |
45 | return 0; |
46 | } |
47 | static inline void intel_backlight_device_unregister(struct intel_connector *connector) |
48 | { |
49 | } |
50 | #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */ |
51 | |
52 | #endif /* __INTEL_BACKLIGHT_H__ */ |
53 | |