xref: /netbsd-src/sys/dev/goldfish/gfrtcvar.h (revision fb74c79471d7c3ec2041ab71b0c51323cc929045)
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