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      1 /*	$NetBSD: gfrtcvar.h,v 1.2 2024/01/02 07:26:17 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2023 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Nick Hudson.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _DEV_GOLDFISH_GFRTCVAR_H_
     33 #define	_DEV_GOLDFISH_GFRTCVAR_H_
     34 
     35 #include <dev/clock_subr.h>
     36 
     37 struct gfrtc_softc {
     38 	device_t sc_dev;
     39 	bus_space_tag_t sc_bst;
     40 	bus_space_handle_t sc_bsh;
     41 
     42 	struct todr_chip_handle	sc_todr;
     43 };
     44 
     45 void	gfrtc_attach(struct gfrtc_softc *, bool);
     46 
     47 uint64_t gfrtc_get_time(struct gfrtc_softc *);
     48 void	gfrtc_set_alarm(struct gfrtc_softc *, uint64_t);
     49 void	gfrtc_clear_alarm(struct gfrtc_softc *);
     50 void	gfrtc_enable_interrupt(struct gfrtc_softc *);
     51 void	gfrtc_disable_interrupt(struct gfrtc_softc *);
     52 void	gfrtc_clear_interrupt(struct gfrtc_softc *);
     53 
     54 void	gfrtc_delay(device_t, unsigned int);
     55 
     56 #endif /* _DEV_GOLDFISH_GFRTCVAR_H_ */
     57