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imxpwmvar.h revision 1.1.4.2 
      1 /*	$NetBSD: imxpwmvar.h,v 1.1.4.2 2014/05/22 11:39:32 yamt Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2014  Genetec Corporation.  All rights reserved.
      5  * Written by Hashimoto Kenichi for Genetec Corporation.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef	_ARM_IMX_IMXPWMVAR_H_
     30 #define	_ARM_IMX_IMXPWMVAR_H_
     31 
     32 struct imxpwm_softc {
     33 	device_t sc_dev;
     34 	bus_space_tag_t sc_iot;
     35 	bus_space_handle_t sc_ioh;
     36 	int sc_intr;
     37 	void *sc_ih;
     38 
     39 	long sc_freq;
     40 	long sc_hz;
     41 #define IMXPWM_DEFAULT_HZ	1000
     42 	long	sc_cycle;
     43 	int	sc_duty;
     44 #define IMXPWM_DUTY_MAX		1000
     45 
     46 	int (*sc_handler)(void *);
     47 	void *sc_cookie;
     48 };
     49 
     50 int imxpwm_match(device_t, cfdata_t, void *);
     51 void imxpwm_attach(struct imxpwm_softc *, void *);
     52 void imxpwm_attach_common(struct imxpwm_softc *);
     53 
     54 int imxpwm_set_pwm(struct imxpwm_softc *, int);
     55 
     56 #endif	/* _ARM_IMX_IMXPWMVAR_H_ */
     57