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 "sh_css_frac.h"
20
21 #include "ia_css_dp.host.h"
22
23 /* We use a different set of DPC configuration parameters when
24 * DPC is used before OBC and NORM. Currently these parameters
25 * are used in usecases which selects both BDS and DPC.
26 **/
27 const struct ia_css_dp_config default_dp_10bpp_config = {
28 1024,
29 2048,
30 32768,
31 32768,
32 32768,
33 32768
34 };
35
36 const struct ia_css_dp_config default_dp_config = {
37 8192,
38 2048,
39 32768,
40 32768,
41 32768,
42 32768
43 };
44
45 void
ia_css_dp_encode(struct sh_css_isp_dp_params * to,const struct ia_css_dp_config * from,unsigned int size)46 ia_css_dp_encode(
47 struct sh_css_isp_dp_params *to,
48 const struct ia_css_dp_config *from,
49 unsigned int size)
50 {
51 int gain = from->gain;
52 int gr = from->gr;
53 int r = from->r;
54 int b = from->b;
55 int gb = from->gb;
56
57 (void)size;
58 to->threshold_single =
59 SH_CSS_BAYER_MAXVAL;
60 to->threshold_2adjacent =
61 uDIGIT_FITTING(from->threshold, 16, SH_CSS_BAYER_BITS);
62 to->gain =
63 uDIGIT_FITTING(from->gain, 8, SH_CSS_DP_GAIN_SHIFT);
64
65 to->coef_rr_gr =
66 uDIGIT_FITTING(gain * gr / r, 8, SH_CSS_DP_GAIN_SHIFT);
67 to->coef_rr_gb =
68 uDIGIT_FITTING(gain * gb / r, 8, SH_CSS_DP_GAIN_SHIFT);
69 to->coef_bb_gb =
70 uDIGIT_FITTING(gain * gb / b, 8, SH_CSS_DP_GAIN_SHIFT);
71 to->coef_bb_gr =
72 uDIGIT_FITTING(gain * gr / b, 8, SH_CSS_DP_GAIN_SHIFT);
73 to->coef_gr_rr =
74 uDIGIT_FITTING(gain * r / gr, 8, SH_CSS_DP_GAIN_SHIFT);
75 to->coef_gr_bb =
76 uDIGIT_FITTING(gain * b / gr, 8, SH_CSS_DP_GAIN_SHIFT);
77 to->coef_gb_bb =
78 uDIGIT_FITTING(gain * b / gb, 8, SH_CSS_DP_GAIN_SHIFT);
79 to->coef_gb_rr =
80 uDIGIT_FITTING(gain * r / gb, 8, SH_CSS_DP_GAIN_SHIFT);
81 }
82
83 void
ia_css_dp_dump(const struct sh_css_isp_dp_params * dp,unsigned int level)84 ia_css_dp_dump(
85 const struct sh_css_isp_dp_params *dp,
86 unsigned int level)
87 {
88 if (!dp) return;
89 ia_css_debug_dtrace(level, "Defect Pixel Correction:\n");
90 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
91 "dp_threshold_single_w_2adj_on",
92 dp->threshold_single);
93 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
94 "dp_threshold_2adj_w_2adj_on",
95 dp->threshold_2adjacent);
96 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
97 "dp_gain", dp->gain);
98 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
99 "dpc_coef_rr_gr", dp->coef_rr_gr);
100 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
101 "dpc_coef_rr_gb", dp->coef_rr_gb);
102 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
103 "dpc_coef_bb_gb", dp->coef_bb_gb);
104 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
105 "dpc_coef_bb_gr", dp->coef_bb_gr);
106 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
107 "dpc_coef_gr_rr", dp->coef_gr_rr);
108 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
109 "dpc_coef_gr_bb", dp->coef_gr_bb);
110 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
111 "dpc_coef_gb_bb", dp->coef_gb_bb);
112 ia_css_debug_dtrace(level, "\t%-32s = %d\n",
113 "dpc_coef_gb_rr", dp->coef_gb_rr);
114 }
115
116 void
ia_css_dp_debug_dtrace(const struct ia_css_dp_config * config,unsigned int level)117 ia_css_dp_debug_dtrace(
118 const struct ia_css_dp_config *config,
119 unsigned int level)
120 {
121 ia_css_debug_dtrace(level,
122 "config.threshold=%d, config.gain=%d\n",
123 config->threshold, config->gain);
124 }
125
126 void
ia_css_init_dp_state(void * state,size_t size)127 ia_css_init_dp_state(
128 void/*struct sh_css_isp_dp_vmem_state*/ * state,
129 size_t size)
130 {
131 memset(state, 0, size);
132 }
133