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/*
* Copyright 2007 Nouveau Project
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef __NOUVEAU_LOCAL_H__
#define __NOUVEAU_LOCAL_H__
#include "compiler.h"
#include "xf86_OSproc.h"
/* Debug output */
#define NOUVEAU_MSG(fmt,args...) ErrorF(fmt, ##args)
#define NOUVEAU_ERR(fmt,args...) \
ErrorF("%s:%d - "fmt, __func__, __LINE__, ##args)
#if 0
#define NOUVEAU_FALLBACK(fmt,args...) do { \
NOUVEAU_ERR("FALLBACK: "fmt, ##args); \
return FALSE; \
} while(0)
#else
#define NOUVEAU_FALLBACK(fmt,args...) do { \
return FALSE; \
} while(0)
#endif
#define NOUVEAU_ALIGN(x,bytes) (((x) + ((bytes) - 1)) & ~((bytes) - 1))
static inline int log2i(int i)
{
int r = 0;
if (i & 0xffff0000) {
i >>= 16;
r += 16;
}
if (i & 0x0000ff00) {
i >>= 8;
r += 8;
}
if (i & 0x000000f0) {
i >>= 4;
r += 4;
}
if (i & 0x0000000c) {
i >>= 2;
r += 2;
}
if (i & 0x00000002) {
r += 1;
}
return r;
}
static inline int round_down_pow2(int x)
{
return 1 << log2i(x);
}
#endif
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