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 "ia_css_frame.h"
18#include "sh_css_defs.h"
19#include "ia_css_debug.h"
20#include "sh_css_frac.h"
21#include "assert_support.h"
22#define IA_CSS_INCLUDE_CONFIGURATIONS
23#include "ia_css_isp_configs.h"
24#include "isp.h"
25
26#include "ia_css_tnr.host.h"
27const struct ia_css_tnr_config default_tnr_config = {
28	32768,
29	32,
30	32,
31};
32
33void
34ia_css_tnr_encode(
35    struct sh_css_isp_tnr_params *to,
36    const struct ia_css_tnr_config *from,
37    unsigned int size)
38{
39	(void)size;
40	to->coef =
41	    uDIGIT_FITTING(from->gain, 16, SH_CSS_TNR_COEF_SHIFT);
42	to->threshold_Y =
43	    uDIGIT_FITTING(from->threshold_y, 16, SH_CSS_ISP_YUV_BITS);
44	to->threshold_C =
45	    uDIGIT_FITTING(from->threshold_uv, 16, SH_CSS_ISP_YUV_BITS);
46}
47
48void
49ia_css_tnr_dump(
50    const struct sh_css_isp_tnr_params *tnr,
51    unsigned int level)
52{
53	if (!tnr) return;
54	ia_css_debug_dtrace(level, "Temporal Noise Reduction:\n");
55	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
56			    "tnr_coef", tnr->coef);
57	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
58			    "tnr_threshold_Y", tnr->threshold_Y);
59	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
60			    "tnr_threshold_C", tnr->threshold_C);
61}
62
63void
64ia_css_tnr_debug_dtrace(
65    const struct ia_css_tnr_config *config,
66    unsigned int level)
67{
68	ia_css_debug_dtrace(level,
69			    "config.gain=%d, config.threshold_y=%d, config.threshold_uv=%d\n",
70			    config->gain,
71			    config->threshold_y, config->threshold_uv);
72}
73
74int ia_css_tnr_config(struct sh_css_isp_tnr_isp_config *to,
75		      const struct ia_css_tnr_configuration *from,
76		      unsigned int size)
77{
78	unsigned int elems_a = ISP_VEC_NELEMS;
79	unsigned int i;
80	int ret;
81
82	ret = ia_css_dma_configure_from_info(&to->port_b, &from->tnr_frames[0]->frame_info);
83	if (ret)
84		return ret;
85	to->width_a_over_b = elems_a / to->port_b.elems;
86	to->frame_height = from->tnr_frames[0]->frame_info.res.height;
87	for (i = 0; i < NUM_VIDEO_TNR_FRAMES; i++) {
88		to->tnr_frame_addr[i] = from->tnr_frames[i]->data +
89					from->tnr_frames[i]->planes.yuyv.offset;
90	}
91
92	/* Assume divisiblity here, may need to generalize to fixed point. */
93	if (elems_a % to->port_b.elems != 0)
94		return -EINVAL;
95
96	return 0;
97}
98
99int ia_css_tnr_configure(const struct ia_css_binary     *binary,
100			 const struct ia_css_frame * const *frames)
101{
102	struct ia_css_tnr_configuration config;
103	unsigned int i;
104
105	for (i = 0; i < NUM_VIDEO_TNR_FRAMES; i++)
106		config.tnr_frames[i] = frames[i];
107
108	return ia_css_configure_tnr(binary, &config);
109}
110
111void
112ia_css_init_tnr_state(
113    struct sh_css_isp_tnr_dmem_state *state,
114    size_t size)
115{
116	(void)size;
117
118	assert(NUM_VIDEO_TNR_FRAMES >= 2);
119	assert(sizeof(*state) == size);
120	state->tnr_in_buf_idx = 0;
121	state->tnr_out_buf_idx = 1;
122}
123