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      1 /*	$NetBSD: fdt_opp.h,v 1.1 2025/09/06 21:24:05 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2015 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      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 THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_FDT_FDT_OPP_H_
     30 #define _DEV_FDT_FDT_OPP_H_
     31 
     32 struct fdt_opp_info {
     33 	const char *	opp_compat;
     34 	bool		(*opp_supported)(const int, const int);
     35 };
     36 
     37 #define	_FDT_OPP_REGISTER(name)		\
     38 	__link_set_add_rodata(fdt_opps, __CONCAT(name,_oppinfo));
     39 
     40 #define	FDT_OPP(_name, _compat, _suppfn)				\
     41 static const struct fdt_opp_info __CONCAT(_name,_oppinfo) = {		\
     42 	.opp_compat = (_compat),					\
     43 	.opp_supported = (_suppfn)					\
     44 };									\
     45 _FDT_OPP_REGISTER(_name)
     46 
     47 #endif /* _DEV_FDT_FDT_OPP_H_ */
     48