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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 #ifndef IA_CSS_NO_DEBUG
19 /* FIXME: See BZ 4427 */
20 #include "ia_css_debug.h"
21 #endif
22 #include "sh_css_frac.h"
23 #include "vamem.h"
24 
25 #include "ia_css_gc.host.h"
26 
27 const struct ia_css_gc_config default_gc_config = {
28 	0,
29 	0
30 };
31 
32 const struct ia_css_ce_config default_ce_config = {
33 	0,
34 	255
35 };
36 
37 void
ia_css_gc_encode(struct sh_css_isp_gc_params * to,const struct ia_css_gc_config * from,unsigned int size)38 ia_css_gc_encode(
39     struct sh_css_isp_gc_params *to,
40     const struct ia_css_gc_config *from,
41     unsigned int size)
42 {
43 	(void)size;
44 	to->gain_k1 =
45 	    uDIGIT_FITTING((int)from->gain_k1, 16,
46 			   IA_CSS_GAMMA_GAIN_K_SHIFT);
47 	to->gain_k2 =
48 	    uDIGIT_FITTING((int)from->gain_k2, 16,
49 			   IA_CSS_GAMMA_GAIN_K_SHIFT);
50 }
51 
52 void
ia_css_ce_encode(struct sh_css_isp_ce_params * to,const struct ia_css_ce_config * from,unsigned int size)53 ia_css_ce_encode(
54     struct sh_css_isp_ce_params *to,
55     const struct ia_css_ce_config *from,
56     unsigned int size)
57 {
58 	(void)size;
59 	to->uv_level_min = from->uv_level_min;
60 	to->uv_level_max = from->uv_level_max;
61 }
62 
63 void
ia_css_gc_vamem_encode(struct sh_css_isp_gc_vamem_params * to,const struct ia_css_gamma_table * from,unsigned int size)64 ia_css_gc_vamem_encode(
65     struct sh_css_isp_gc_vamem_params *to,
66     const struct ia_css_gamma_table *from,
67     unsigned int size)
68 {
69 	(void)size;
70 	memcpy(&to->gc,  &from->data, sizeof(to->gc));
71 }
72 
73 #ifndef IA_CSS_NO_DEBUG
74 void
ia_css_gc_dump(const struct sh_css_isp_gc_params * gc,unsigned int level)75 ia_css_gc_dump(
76     const struct sh_css_isp_gc_params *gc,
77     unsigned int level)
78 {
79 	if (!gc) return;
80 	ia_css_debug_dtrace(level, "Gamma Correction:\n");
81 	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
82 			    "gamma_gain_k1", gc->gain_k1);
83 	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
84 			    "gamma_gain_k2", gc->gain_k2);
85 }
86 
87 void
ia_css_ce_dump(const struct sh_css_isp_ce_params * ce,unsigned int level)88 ia_css_ce_dump(
89     const struct sh_css_isp_ce_params *ce,
90     unsigned int level)
91 {
92 	ia_css_debug_dtrace(level, "Chroma Enhancement:\n");
93 	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
94 			    "ce_uv_level_min", ce->uv_level_min);
95 	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
96 			    "ce_uv_level_max", ce->uv_level_max);
97 }
98 
99 void
ia_css_gc_debug_dtrace(const struct ia_css_gc_config * config,unsigned int level)100 ia_css_gc_debug_dtrace(
101     const struct ia_css_gc_config *config,
102     unsigned int level)
103 {
104 	ia_css_debug_dtrace(level,
105 			    "config.gain_k1=%d, config.gain_k2=%d\n",
106 			    config->gain_k1, config->gain_k2);
107 }
108 
109 void
ia_css_ce_debug_dtrace(const struct ia_css_ce_config * config,unsigned int level)110 ia_css_ce_debug_dtrace(
111     const struct ia_css_ce_config *config,
112     unsigned int level)
113 {
114 	ia_css_debug_dtrace(level,
115 			    "config.uv_level_min=%d, config.uv_level_max=%d\n",
116 			    config->uv_level_min, config->uv_level_max);
117 }
118 #endif
119