xref: /netbsd-src/sys/arch/sparc/dev/sxvar.h (revision 82d56013d7b633d116a93943de88e08335357a7c)
1 /*	$NetBSD: sxvar.h,v 1.4 2019/03/01 02:30:42 macallan Exp $	*/
2 
3 /*-
4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Michael Lorenz.
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 SXVAR_H
33 #define SXVAR_H
34 
35 struct sx_softc {
36 	device_t		sc_dev;
37 	bus_addr_t		sc_uregs;
38 	bus_space_tag_t		sc_tag;
39 	bus_space_handle_t	sc_regh;
40 };
41 
42 static inline void
43 sx_write(struct sx_softc *sc, int addr, uint32_t val)
44 {
45 	bus_space_write_4(sc->sc_tag, sc->sc_regh, addr, val);
46 }
47 
48 static inline uint32_t
49 sx_read(struct sx_softc *sc, int addr)
50 {
51 	return bus_space_read_4(sc->sc_tag, sc->sc_regh, addr);
52 }
53 
54 void sx_dump(void);
55 
56 #endif
57