Home | History | Annotate | Line # | Download | only in core 
      1 /*	$NetBSD: nouveau_nvkm_core_enum.c,v 1.3 2021/12/18 23:45:34 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 2010 Nouveau Project
      5  *
      6  * All Rights Reserved.
      7  *
      8  * Permission is hereby granted, free of charge, to any person obtaining
      9  * a copy of this software and associated documentation files (the
     10  * "Software"), to deal in the Software without restriction, including
     11  * without limitation the rights to use, copy, modify, merge, publish,
     12  * distribute, sublicense, and/or sell copies of the Software, and to
     13  * permit persons to whom the Software is furnished to do so, subject to
     14  * the following conditions:
     15  *
     16  * The above copyright notice and this permission notice (including the
     17  * next paragraph) shall be included in all copies or substantial
     18  * portions of the Software.
     19  *
     20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     23  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
     24  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     25  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     26  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     27  *
     28  */
     29 #include <sys/cdefs.h>
     30 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_core_enum.c,v 1.3 2021/12/18 23:45:34 riastradh Exp $");
     31 
     32 #include <core/enum.h>
     33 
     34 const struct nvkm_enum *
     35 nvkm_enum_find(const struct nvkm_enum *en, u32 value)
     36 {
     37 	while (en->name) {
     38 		if (en->value == value)
     39 			return en;
     40 		en++;
     41 	}
     42 
     43 	return NULL;
     44 }
     45 
     46 void
     47 nvkm_snprintbf(char *data, int size, const struct nvkm_bitfield *bf, u32 value)
     48 {
     49 	bool space = false;
     50 	while (size >= 1 && bf->name) {
     51 		if (value & bf->mask) {
     52 			int this = snprintf(data, size, "%s%s",
     53 					    space ? " " : "", bf->name);
     54 			size -= this;
     55 			data += this;
     56 			space = true;
     57 		}
     58 		bf++;
     59 	}
     60 	data[0] = '\0';
     61 }
     62