630ab29120
[ Upstream commit 6cc42fbeb150ff33b17cbf108713ca4be23994d8 ] In a long overdue refactoring, split out backlight code to new intel_backlight.[ch]. Simple code movement, leave renames for follow-up work. No functional changes. Cc: Lyude Paul <lyude@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/97d310848f03061473b9b2328e2c5c4dcf263cfa.1629888677.git.jani.nikula@intel.com Signed-off-by: Sasha Levin <sashal@kernel.org>
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2021 Intel Corporation
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*/
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#ifndef __INTEL_BACKLIGHT_H__
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#define __INTEL_BACKLIGHT_H__
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#include <linux/types.h>
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struct drm_connector;
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struct drm_connector_state;
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struct intel_atomic_state;
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struct intel_connector;
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struct intel_crtc_state;
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struct intel_encoder;
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struct intel_panel;
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enum pipe;
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void intel_panel_init_backlight_funcs(struct intel_panel *panel);
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void intel_panel_destroy_backlight(struct intel_panel *panel);
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void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state,
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u32 level, u32 max);
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int intel_panel_setup_backlight(struct drm_connector *connector,
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enum pipe pipe);
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void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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void intel_panel_update_backlight(struct intel_atomic_state *state,
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struct intel_encoder *encoder,
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const struct intel_crtc_state *crtc_state,
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const struct drm_connector_state *conn_state);
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void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state);
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void intel_panel_set_pwm_level(const struct drm_connector_state *conn_state, u32 level);
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u32 intel_panel_invert_pwm_level(struct intel_connector *connector, u32 level);
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u32 intel_panel_backlight_level_to_pwm(struct intel_connector *connector, u32 level);
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u32 intel_panel_backlight_level_from_pwm(struct intel_connector *connector, u32 val);
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#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
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int intel_backlight_device_register(struct intel_connector *connector);
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void intel_backlight_device_unregister(struct intel_connector *connector);
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#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
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static inline int intel_backlight_device_register(struct intel_connector *connector)
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{
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return 0;
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}
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static inline void intel_backlight_device_unregister(struct intel_connector *connector)
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{
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}
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#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
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#endif /* __INTEL_BACKLIGHT_H__ */
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