mirror of https://github.com/F-Stack/f-stack.git
62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2020 Emmanuel Vadot <manu@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __BACKLIGHT_H__
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#define __BACKLIGHT_H__
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#define BACKLIGHTMAXLEVELS 100
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struct backlight_props {
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uint32_t brightness;
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uint32_t nlevels;
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uint32_t levels[BACKLIGHTMAXLEVELS];
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};
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enum backlight_info_type {
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BACKLIGHT_TYPE_PANEL = 0,
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BACKLIGHT_TYPE_KEYBOARD
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};
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#define BACKLIGHTMAXNAMELENGTH 64
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struct backlight_info {
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char name[BACKLIGHTMAXNAMELENGTH];
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enum backlight_info_type type;
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};
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/*
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* ioctls
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*/
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#define BACKLIGHTGETSTATUS _IOWR('G', 0, struct backlight_props)
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#define BACKLIGHTUPDATESTATUS _IOWR('G', 1, struct backlight_props)
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#define BACKLIGHTGETINFO _IOWR('G', 2, struct backlight_info)
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#endif /* __BACKLIGHT_H__ */
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