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 28#include <linux/ratelimit.h> 29 30#include "nouveau_util.h" 31 32static DEFINE_RATELIMIT_STATE(nouveau_ratelimit_state, 3 * HZ, 20); 33 34void 35nouveau_bitfield_print(const struct nouveau_bitfield *bf, u32 value) 36{ 37 while (bf->name) { 38 if (value & bf->mask) { 39 printk(" %s", bf->name); 40 value &= ~bf->mask; 41 } 42 43 bf++; 44 } 45 46 if (value) 47 printk(" (unknown bits 0x%08x)", value); 48} 49 50const struct nouveau_enum * 51nouveau_enum_find(const struct nouveau_enum *en, u32 value) 52{ 53 while (en->name) { 54 if (en->value == value) 55 return en; 56 en++; 57 } 58 59 return NULL; 60} 61 62void 63nouveau_enum_print(const struct nouveau_enum *en, u32 value) 64{ 65 en = nouveau_enum_find(en, value); 66 if (en) { 67 printk("%s", en->name); 68 return; 69 } 70 71 printk("(unknown enum 0x%08x)", value); 72} 73 74int 75nouveau_ratelimit(void) 76{ 77 return __ratelimit(&nouveau_ratelimit_state); 78} 79