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 *
nvkm_enum_find(const struct nvkm_enum * en,u32 value)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
nvkm_snprintbf(char * data,int size,const struct nvkm_bitfield * bf,u32 value)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 }
57