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 void convert_hw_matrix(struct fixed31_32 *matrix, 45 uint16_t *reg, 46 uint32_t buffer_size); 47 48 static inline unsigned int log_2(unsigned int num) 49 { 50 return ilog2(num); 51 } 52 53 #endif 54