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"
27 const struct ia_css_tnr_config default_tnr_config = {
28 32768,
29 32,
30 32,
31 };
32
33 void
ia_css_tnr_encode(struct sh_css_isp_tnr_params * to,const struct ia_css_tnr_config * from,unsigned int size)34 ia_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
48 void
ia_css_tnr_dump(const struct sh_css_isp_tnr_params * tnr,unsigned int level)49 ia_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
63 void
ia_css_tnr_debug_dtrace(const struct ia_css_tnr_config * config,unsigned int level)64 ia_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
74 void
ia_css_tnr_config(struct sh_css_isp_tnr_isp_config * to,const struct ia_css_tnr_configuration * from,unsigned int size)75 ia_css_tnr_config(
76 struct sh_css_isp_tnr_isp_config *to,
77 const struct ia_css_tnr_configuration *from,
78 unsigned int size)
79 {
80 unsigned int elems_a = ISP_VEC_NELEMS;
81 unsigned int i;
82
83 (void)size;
84 ia_css_dma_configure_from_info(&to->port_b, &from->tnr_frames[0]->info);
85 to->width_a_over_b = elems_a / to->port_b.elems;
86 to->frame_height = from->tnr_frames[0]->info.res.height;
87 for (i = 0; i < NUM_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 assert(elems_a % to->port_b.elems == 0);
94 }
95
96 void
ia_css_tnr_configure(const struct ia_css_binary * binary,const struct ia_css_frame * const * frames)97 ia_css_tnr_configure(
98 const struct ia_css_binary *binary,
99 const struct ia_css_frame * const *frames)
100 {
101 struct ia_css_tnr_configuration config;
102 unsigned int i;
103
104 for (i = 0; i < NUM_TNR_FRAMES; i++)
105 config.tnr_frames[i] = frames[i];
106
107 ia_css_configure_tnr(binary, &config);
108 }
109
110 void
ia_css_init_tnr_state(struct sh_css_isp_tnr_dmem_state * state,size_t size)111 ia_css_init_tnr_state(
112 struct sh_css_isp_tnr_dmem_state *state,
113 size_t size)
114 {
115 (void)size;
116
117 assert(NUM_TNR_FRAMES >= 2);
118 assert(sizeof(*state) == size);
119 state->tnr_in_buf_idx = 0;
120 state->tnr_out_buf_idx = 1;
121 }
122