1 /*
2  * Copyright 2012-15 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef __DAL_CONVERSION_H__
27 #define __DAL_CONVERSION_H__
28 
29 #include "include/fixed31_32.h"
30 
31 uint16_t fixed_point_to_int_frac(
32 	struct fixed31_32 arg,
33 	uint8_t integer_bits,
34 	uint8_t fractional_bits);
35 
36 void convert_float_matrix(
37 	uint16_t *matrix,
38 	struct fixed31_32 *flt,
39 	uint32_t buffer_size);
40 
41 void reduce_fraction(uint32_t num, uint32_t den,
42 		uint32_t *out_num, uint32_t *out_den);
43 
44 static inline unsigned int log_2(unsigned int num)
45 {
46 	return ilog2(num);
47 }
48 
49 #endif
50