14562236bSHarry Wentland /*
24562236bSHarry Wentland * Copyright 2012-15 Advanced Micro Devices, Inc.
34562236bSHarry Wentland *
44562236bSHarry Wentland * Permission is hereby granted, free of charge, to any person obtaining a
54562236bSHarry Wentland * copy of this software and associated documentation files (the "Software"),
64562236bSHarry Wentland * to deal in the Software without restriction, including without limitation
74562236bSHarry Wentland * the rights to use, copy, modify, merge, publish, distribute, sublicense,
84562236bSHarry Wentland * and/or sell copies of the Software, and to permit persons to whom the
94562236bSHarry Wentland * Software is furnished to do so, subject to the following conditions:
104562236bSHarry Wentland *
114562236bSHarry Wentland * The above copyright notice and this permission notice shall be included in
124562236bSHarry Wentland * all copies or substantial portions of the Software.
134562236bSHarry Wentland *
144562236bSHarry Wentland * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
154562236bSHarry Wentland * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
164562236bSHarry Wentland * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
174562236bSHarry Wentland * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
184562236bSHarry Wentland * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
194562236bSHarry Wentland * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
204562236bSHarry Wentland * OTHER DEALINGS IN THE SOFTWARE.
214562236bSHarry Wentland *
224562236bSHarry Wentland * Authors: AMD
234562236bSHarry Wentland *
244562236bSHarry Wentland */
254562236bSHarry Wentland
264562236bSHarry Wentland #ifndef __DAL_CONVERSION_H__
274562236bSHarry Wentland #define __DAL_CONVERSION_H__
284562236bSHarry Wentland
294562236bSHarry Wentland #include "include/fixed31_32.h"
304562236bSHarry Wentland
314562236bSHarry Wentland uint16_t fixed_point_to_int_frac(
324562236bSHarry Wentland struct fixed31_32 arg,
334562236bSHarry Wentland uint8_t integer_bits,
344562236bSHarry Wentland uint8_t fractional_bits);
354562236bSHarry Wentland
364562236bSHarry Wentland void convert_float_matrix(
374562236bSHarry Wentland uint16_t *matrix,
384562236bSHarry Wentland struct fixed31_32 *flt,
394562236bSHarry Wentland uint32_t buffer_size);
404562236bSHarry Wentland
41fbe43dcdSAlvin Lee void reduce_fraction(uint32_t num, uint32_t den,
42fbe43dcdSAlvin Lee uint32_t *out_num, uint32_t *out_den);
43fbe43dcdSAlvin Lee
44*07b2483eSHarry Wentland void convert_hw_matrix(struct fixed31_32 *matrix,
45*07b2483eSHarry Wentland uint16_t *reg,
46*07b2483eSHarry Wentland uint32_t buffer_size);
47*07b2483eSHarry Wentland
log_2(unsigned int num)4823d433faSDave Airlie static inline unsigned int log_2(unsigned int num)
4923d433faSDave Airlie {
5023d433faSDave Airlie return ilog2(num);
5123d433faSDave Airlie }
5288499197SYongqiang Sun
534562236bSHarry Wentland #endif
54