1 /*
2 * Copyright (C) 2010 Nouveau Project
3 *
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 */
27 #include <core/enum.h>
28
29 const struct nvkm_enum *
30 nvkm_enum_find(const struct nvkm_enum *en, u32 value)
31 {
32 while (en->name) {
33 if (en->value == value)
34 return en;
35 en++;
36 }
37
38 return NULL;
39 }
40
41 void
42 nvkm_snprintbf(char *data, int size, const struct nvkm_bitfield *bf, u32 value)
43 {
44 bool space = false;
45 while (size >= 1 && bf->name) {
46 if (value & bf->mask) {
47 int this = snprintf(data, size, "%s%s",
48 space ? " " : "", bf->name);
49 size -= this;
50 data += this;
51 space = true;
52 }
53 bf++;
54 }
55 data[0] = '\0';
56 }