ubuntu-linux-kernel/drivers/gpu/drm/amd/display/dc/basics/conversion.h

47 lines
1.5 KiB
C

/*
* Copyright 2012-15 Advanced Micro Devices, Inc.
*
* 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: AMD
*
*/
#ifndef __DAL_CONVERSION_H__
#define __DAL_CONVERSION_H__
#include "include/fixed31_32.h"
uint16_t fixed_point_to_int_frac(
struct fixed31_32 arg,
uint8_t integer_bits,
uint8_t fractional_bits);
void convert_float_matrix(
uint16_t *matrix,
struct fixed31_32 *flt,
uint32_t buffer_size);
static inline unsigned int log_2(unsigned int num)
{
return ilog2(num);
}
#endif