07b2483ee1
We want to be able to read the DPP's gamut remap matrix. v2: - code-style and doc comments clean-up (Melissa) Signed-off-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Melissa Wen <mwen@igalia.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
53 lines
1.7 KiB
C
53 lines
1.7 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);
|
|
|
|
void reduce_fraction(uint32_t num, uint32_t den,
|
|
uint32_t *out_num, uint32_t *out_den);
|
|
|
|
void convert_hw_matrix(struct fixed31_32 *matrix,
|
|
uint16_t *reg,
|
|
uint32_t buffer_size);
|
|
|
|
static inline unsigned int log_2(unsigned int num)
|
|
{
|
|
return ilog2(num);
|
|
}
|
|
|
|
#endif
|