nouveau_nvkm_core_enum.c revision 1.2
1/* $NetBSD: nouveau_nvkm_core_enum.c,v 1.2 2018/08/27 04:58:30 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 1.2 2018/08/27 04:58:30 riastradh Exp $"); 31 32#include <core/enum.h> 33 34const struct nvkm_enum * 35nvkm_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 46void 47nvkm_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