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#include "ia_css_types.h"
17#include "sh_css_defs.h"
18#include "ia_css_debug.h"
19#include "assert_support.h"
20
21#include "ia_css_ctc.host.h"
22
23const struct ia_css_ctc_config default_ctc_config = {
24	((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2,		/* 0.5 */
25	((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2,		/* 0.5 */
26	((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2,		/* 0.5 */
27	((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2,		/* 0.5 */
28	((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2,		/* 0.5 */
29	((1 << IA_CSS_CTC_COEF_SHIFT) + 1) / 2,		/* 0.5 */
30	1,
31	SH_CSS_BAYER_MAXVAL / 5,	/* To be implemented */
32	SH_CSS_BAYER_MAXVAL * 2 / 5,	/* To be implemented */
33	SH_CSS_BAYER_MAXVAL * 3 / 5,	/* To be implemented */
34	SH_CSS_BAYER_MAXVAL * 4 / 5,	/* To be implemented */
35};
36
37void
38ia_css_ctc_vamem_encode(
39    struct sh_css_isp_ctc_vamem_params *to,
40    const struct ia_css_ctc_table *from,
41    unsigned int size)
42{
43	(void)size;
44	memcpy(&to->ctc,  &from->data, sizeof(to->ctc));
45}
46
47void
48ia_css_ctc_debug_dtrace(
49    const struct ia_css_ctc_config *config,
50    unsigned int level)
51{
52	ia_css_debug_dtrace(level,
53			    "config.ce_gain_exp=%d, config.y0=%d, config.x1=%d, config.y1=%d, config.x2=%d, config.y2=%d, config.x3=%d, config.y3=%d, config.x4=%d, config.y4=%d\n",
54			    config->ce_gain_exp, config->y0,
55			    config->x1, config->y1,
56			    config->x2, config->y2,
57			    config->x3, config->y3,
58			    config->x4, config->y4);
59}
60