1*22ce4affSfengbojiang /*- 2*22ce4affSfengbojiang * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*22ce4affSfengbojiang * 4*22ce4affSfengbojiang * Copyright (c) 2020 Emmanuel Vadot <[email protected]> 5*22ce4affSfengbojiang * 6*22ce4affSfengbojiang * Redistribution and use in source and binary forms, with or without 7*22ce4affSfengbojiang * modification, are permitted provided that the following conditions 8*22ce4affSfengbojiang * are met: 9*22ce4affSfengbojiang * 1. Redistributions of source code must retain the above copyright 10*22ce4affSfengbojiang * notice, this list of conditions and the following disclaimer. 11*22ce4affSfengbojiang * 2. Redistributions in binary form must reproduce the above copyright 12*22ce4affSfengbojiang * notice, this list of conditions and the following disclaimer in the 13*22ce4affSfengbojiang * documentation and/or other materials provided with the distribution. 14*22ce4affSfengbojiang * 15*22ce4affSfengbojiang * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16*22ce4affSfengbojiang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17*22ce4affSfengbojiang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18*22ce4affSfengbojiang * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19*22ce4affSfengbojiang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20*22ce4affSfengbojiang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21*22ce4affSfengbojiang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22*22ce4affSfengbojiang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23*22ce4affSfengbojiang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24*22ce4affSfengbojiang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25*22ce4affSfengbojiang * SUCH DAMAGE. 26*22ce4affSfengbojiang * 27*22ce4affSfengbojiang * $FreeBSD$ 28*22ce4affSfengbojiang */ 29*22ce4affSfengbojiang 30*22ce4affSfengbojiang #ifndef __BACKLIGHT_H__ 31*22ce4affSfengbojiang #define __BACKLIGHT_H__ 32*22ce4affSfengbojiang 33*22ce4affSfengbojiang #define BACKLIGHTMAXLEVELS 100 34*22ce4affSfengbojiang 35*22ce4affSfengbojiang struct backlight_props { 36*22ce4affSfengbojiang uint32_t brightness; 37*22ce4affSfengbojiang uint32_t nlevels; 38*22ce4affSfengbojiang uint32_t levels[BACKLIGHTMAXLEVELS]; 39*22ce4affSfengbojiang }; 40*22ce4affSfengbojiang 41*22ce4affSfengbojiang enum backlight_info_type { 42*22ce4affSfengbojiang BACKLIGHT_TYPE_PANEL = 0, 43*22ce4affSfengbojiang BACKLIGHT_TYPE_KEYBOARD 44*22ce4affSfengbojiang }; 45*22ce4affSfengbojiang 46*22ce4affSfengbojiang #define BACKLIGHTMAXNAMELENGTH 64 47*22ce4affSfengbojiang 48*22ce4affSfengbojiang struct backlight_info { 49*22ce4affSfengbojiang char name[BACKLIGHTMAXNAMELENGTH]; 50*22ce4affSfengbojiang enum backlight_info_type type; 51*22ce4affSfengbojiang }; 52*22ce4affSfengbojiang 53*22ce4affSfengbojiang /* 54*22ce4affSfengbojiang * ioctls 55*22ce4affSfengbojiang */ 56*22ce4affSfengbojiang 57*22ce4affSfengbojiang #define BACKLIGHTGETSTATUS _IOWR('G', 0, struct backlight_props) 58*22ce4affSfengbojiang #define BACKLIGHTUPDATESTATUS _IOWR('G', 1, struct backlight_props) 59*22ce4affSfengbojiang #define BACKLIGHTGETINFO _IOWR('G', 2, struct backlight_info) 60*22ce4affSfengbojiang 61*22ce4affSfengbojiang #endif /* __BACKLIGHT_H__ */ 62