| 1 | /* |
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| 2 | * Copyright 2012-15 Advanced Micro Devices, Inc. |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice shall be included in |
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| 12 | * all copies or substantial portions of the Software. |
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| 13 | * |
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| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 21 | * |
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| 22 | * Authors: AMD |
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| 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #ifndef __DAL_CONVERSION_H__ |
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| 27 | #define __DAL_CONVERSION_H__ |
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| 28 | |
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| 29 | #include "include/fixed31_32.h" |
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| 30 | |
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| 31 | uint16_t fixed_point_to_int_frac( |
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| 32 | struct fixed31_32 arg, |
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| 33 | uint8_t integer_bits, |
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| 34 | uint8_t fractional_bits); |
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| 35 | |
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| 36 | void convert_float_matrix( |
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| 37 | uint16_t *matrix, |
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| 38 | struct fixed31_32 *flt, |
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| 39 | uint32_t buffer_size); |
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| 40 | |
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| 41 | void reduce_fraction(uint32_t num, uint32_t den, |
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| 42 | uint32_t *out_num, uint32_t *out_den); |
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| 43 | |
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| 44 | void convert_hw_matrix(struct fixed31_32 *matrix, |
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| 45 | uint16_t *reg, |
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| 46 | uint32_t buffer_size); |
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| 47 | |
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| 48 | static inline unsigned int log_2(unsigned int num) |
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| 49 | { |
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| 50 | return ilog2(num); |
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| 51 | } |
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| 52 | |
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| 53 | #endif |
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| 54 | |
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