LXR linux/drivers/gpu/drm/nouveau/core/core/enum.c

   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 <core/os.h>
  29#include <core/enum.h>
  30
  31const struct nouveau_enum *
  32nouveau_enum_find(const struct nouveau_enum *en, u32 value)
  33{
  34        while (en->name) {
  35                if (en->value == value)
  36                        return en;
  37                en++;
  38        }
  39
  40        return NULL;
  41}
  42
  43const struct nouveau_enum *
  44nouveau_enum_print(const struct nouveau_enum *en, u32 value)
  45{
  46        en = nouveau_enum_find(en, value);
  47        if (en)
  48                pr_cont("%s", en->name);
  49        else
  50                pr_cont("(unknown enum 0x%08x)", value);
  51        return en;
  52}
  53
  54void
  55nouveau_bitfield_print(const struct nouveau_bitfield *bf, u32 value)
  56{
  57        while (bf->name) {
  58                if (value & bf->mask) {
  59                        pr_cont(" %s", bf->name);
  60                        value &= ~bf->mask;
  61                }
  62
  63                bf++;
  64        }
  65
  66        if (value)
  67                pr_cont(" (unknown bits 0x%08x)", value);
  68}
  69