1*71fb3739SIan Lepore /*- 2*71fb3739SIan Lepore * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3*71fb3739SIan Lepore * 4*71fb3739SIan Lepore * Copyright (c) 2018 Emmanuel Vadot <manu@FreeBSD.org> 5*71fb3739SIan Lepore * All rights reserved. 6*71fb3739SIan Lepore * 7*71fb3739SIan Lepore * Redistribution and use in source and binary forms, with or without 8*71fb3739SIan Lepore * modification, are permitted provided that the following conditions 9*71fb3739SIan Lepore * are met: 10*71fb3739SIan Lepore * 1. Redistributions of source code must retain the above copyright 11*71fb3739SIan Lepore * notice, this list of conditions and the following disclaimer. 12*71fb3739SIan Lepore * 2. Redistributions in binary form must reproduce the above copyright 13*71fb3739SIan Lepore * notice, this list of conditions and the following disclaimer in the 14*71fb3739SIan Lepore * documentation and/or other materials provided with the distribution. 15*71fb3739SIan Lepore * 16*71fb3739SIan Lepore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17*71fb3739SIan Lepore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18*71fb3739SIan Lepore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19*71fb3739SIan Lepore * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20*71fb3739SIan Lepore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21*71fb3739SIan Lepore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22*71fb3739SIan Lepore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23*71fb3739SIan Lepore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24*71fb3739SIan Lepore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25*71fb3739SIan Lepore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26*71fb3739SIan Lepore * SUCH DAMAGE. 27*71fb3739SIan Lepore * 28*71fb3739SIan Lepore * $FreeBSD$ 29*71fb3739SIan Lepore */ 30*71fb3739SIan Lepore 31*71fb3739SIan Lepore #ifndef _PWM_H_ 32*71fb3739SIan Lepore #define _PWM_H_ 33*71fb3739SIan Lepore 34*71fb3739SIan Lepore #define PWM_POLARITY_INVERTED (1 << 0) 35*71fb3739SIan Lepore 36*71fb3739SIan Lepore struct pwm_state { 37*71fb3739SIan Lepore int channel; 38*71fb3739SIan Lepore unsigned int period; 39*71fb3739SIan Lepore unsigned int duty; 40*71fb3739SIan Lepore uint32_t flags; 41*71fb3739SIan Lepore bool enable; 42*71fb3739SIan Lepore }; 43*71fb3739SIan Lepore 44*71fb3739SIan Lepore /* 45*71fb3739SIan Lepore * ioctls 46*71fb3739SIan Lepore */ 47*71fb3739SIan Lepore 48*71fb3739SIan Lepore #define PWMMAXCHANNEL _IOWR('G', 0, int) 49*71fb3739SIan Lepore #define PWMGETSTATE _IOWR('G', 1, struct pwm_state) 50*71fb3739SIan Lepore #define PWMSETSTATE _IOWR('G', 2, struct pwm_state) 51*71fb3739SIan Lepore 52*71fb3739SIan Lepore 53*71fb3739SIan Lepore #endif /* _PWM_H_ */ 54