2 * Copyright (c) 2014 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/types.h>
33 #include "bus_space.h"
34 #include "libbus_space.h"
37 bus_space_read_1(int rid, long ofs)
41 return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val);
45 bus_space_read_2(int rid, long ofs)
49 return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int)val);
53 bus_space_read_4(int rid, long ofs)
57 return ((!bs_read(rid, ofs, &val, sizeof(val))) ? -1 : (int64_t)val);
61 bus_space_write_1(int rid, long ofs, uint8_t val)
64 return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
68 bus_space_write_2(int rid, long ofs, uint16_t val)
71 return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
75 bus_space_write_4(int rid, long ofs, uint32_t val)
78 return ((!bs_write(rid, ofs, &val, sizeof(val))) ? errno : 0);
82 bus_space_map(const char *dev)
89 bus_space_unmap(int rid)
92 return ((!bs_unmap(rid)) ? errno : 0);
96 bus_space_subregion(int rid, long ofs, long sz)
99 return (bs_subregion(rid, ofs, sz));