1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13 * more details.
14 */
15
16#ifndef __IA_CSS_SDIS2_TYPES_H
17#define __IA_CSS_SDIS2_TYPES_H
18
19/* @file
20* CSS-API header file for DVS statistics parameters.
21*/
22
23/* Number of DVS coefficient types */
24#define IA_CSS_DVS2_NUM_COEF_TYPES     4
25
26#ifndef PIPE_GENERATION
27#include "isp/kernels/sdis/common/ia_css_sdis_common_types.h"
28#endif
29
30/* DVS 2.0 Coefficient types. This structure contains 4 pointers to
31 *  arrays that contain the coeffients for each type.
32 */
33struct ia_css_dvs2_coef_types {
34	s16 *odd_real; /** real part of the odd coefficients*/
35	s16 *odd_imag; /** imaginary part of the odd coefficients*/
36	s16 *even_real;/** real part of the even coefficients*/
37	s16 *even_imag;/** imaginary part of the even coefficients*/
38};
39
40/* DVS 2.0 Coefficients. This structure describes the coefficients that are needed for the dvs statistics.
41 *  e.g. hor_coefs.odd_real is the pointer to int16_t[grid.num_hor_coefs] containing the horizontal odd real
42 *  coefficients.
43 */
44struct ia_css_dvs2_coefficients {
45	struct ia_css_dvs_grid_info
46		grid;        /** grid info contains the dimensions of the dvs grid */
47	struct ia_css_dvs2_coef_types
48		hor_coefs; /** struct with pointers that contain the horizontal coefficients */
49	struct ia_css_dvs2_coef_types
50		ver_coefs; /** struct with pointers that contain the vertical coefficients */
51};
52
53/* DVS 2.0 Statistic types. This structure contains 4 pointers to
54 *  arrays that contain the statistics for each type.
55 */
56struct ia_css_dvs2_stat_types {
57	s32 *odd_real; /** real part of the odd statistics*/
58	s32 *odd_imag; /** imaginary part of the odd statistics*/
59	s32 *even_real;/** real part of the even statistics*/
60	s32 *even_imag;/** imaginary part of the even statistics*/
61};
62
63/* DVS 2.0 Statistics. This structure describes the statistics that are generated using the provided coefficients.
64 *  e.g. hor_prod.odd_real is the pointer to int16_t[grid.aligned_height][grid.aligned_width] containing
65 *  the horizontal odd real statistics. Valid statistics data area is int16_t[0..grid.height-1][0..grid.width-1]
66 */
67struct ia_css_dvs2_statistics {
68	struct ia_css_dvs_grid_info
69		grid;       /** grid info contains the dimensions of the dvs grid */
70	struct ia_css_dvs2_stat_types
71		hor_prod; /** struct with pointers that contain the horizontal statistics */
72	struct ia_css_dvs2_stat_types
73		ver_prod; /** struct with pointers that contain the vertical statistics */
74};
75
76#endif /* __IA_CSS_SDIS2_TYPES_H */
77