xref: /src/sys/dev/fdt/fdt_powerdomain.h

/*	$NetBSD: fdt_powerdomain.h,v 1.1 2025/09/06 20:11:30 thorpej Exp $	*/

/*-
 * Copyright (c) 2022 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Nick Hudson
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _DEV_FDT_FDT_POWERDOMAIN_H_
#define	_DEV_FDT_FDT_POWERDOMAIN_H_

#include <sys/device.h>

struct fdtbus_powerdomain_controller;

struct fdtbus_powerdomain_controller_func {
	void	(*pdc_enable)(device_t, const uint32_t *, bool);
};

int		fdtbus_register_powerdomain_controller(device_t, int,
		    const struct fdtbus_powerdomain_controller_func *);

int		fdtbus_powerdomain_enable(int);
int		fdtbus_powerdomain_enable_index(int, int);
int		fdtbus_powerdomain_disable(int);
int		fdtbus_powerdomain_disable_index(int, int);

#endif /* _DEV_FDT_FDT_POWERDOMAIN_H_ */