mirror of https://gitee.com/openkylin/linux.git
79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/*
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* Copyright (C) 2010 Nouveau Project
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*
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <linux/ratelimit.h>
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#include "nouveau_util.h"
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static DEFINE_RATELIMIT_STATE(nouveau_ratelimit_state, 3 * HZ, 20);
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void
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nouveau_bitfield_print(const struct nouveau_bitfield *bf, u32 value)
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{
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while (bf->name) {
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if (value & bf->mask) {
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printk(" %s", bf->name);
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value &= ~bf->mask;
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}
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bf++;
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}
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if (value)
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printk(" (unknown bits 0x%08x)", value);
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}
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const struct nouveau_enum *
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nouveau_enum_find(const struct nouveau_enum *en, u32 value)
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{
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while (en->name) {
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if (en->value == value)
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return en;
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en++;
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}
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return NULL;
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}
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void
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nouveau_enum_print(const struct nouveau_enum *en, u32 value)
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{
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en = nouveau_enum_find(en, value);
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if (en) {
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printk("%s", en->name);
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return;
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}
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printk("(unknown enum 0x%08x)", value);
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}
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int
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nouveau_ratelimit(void)
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{
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return __ratelimit(&nouveau_ratelimit_state);
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}
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