1 /*
2  * Support for Intel Camera Imaging ISP subsystem.
3  * Copyright (c) 2015, Intel Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms and conditions of the GNU General Public License,
7  * version 2, as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  */
14 
15 #include "ia_css_types.h"
16 #include "sh_css_defs.h"
17 #include "ia_css_debug.h"
18 #include "assert_support.h"
19 
20 #define IA_CSS_INCLUDE_CONFIGURATIONS
21 #include "ia_css_isp_configs.h"
22 
23 #include "ia_css_sc.host.h"
24 
25 /* Code generated by genparam/genconfig.c:gen_configure_function() */
26 
27 /* ISP2401 */
28 static void
29 ia_css_configure_sc(
30     const struct ia_css_binary *binary,
31     const struct ia_css_sc_configuration *config_dmem)
32 {
33 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
34 			    "ia_css_configure_sc() enter:\n");
35 
36 	{
37 		unsigned int offset = 0;
38 		unsigned int size   = 0;
39 
40 		if (binary->info->mem_offsets.offsets.config) {
41 			size   = binary->info->mem_offsets.offsets.config->dmem.sc.size;
42 			offset = binary->info->mem_offsets.offsets.config->dmem.sc.offset;
43 		}
44 		if (size) {
45 			ia_css_sc_config((struct sh_css_isp_sc_isp_config *)
46 					 &binary->mem_params.params[IA_CSS_PARAM_CLASS_CONFIG][IA_CSS_ISP_DMEM].address[offset],
47 					 config_dmem, size);
48 		}
49 	}
50 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE,
51 			    "ia_css_configure_sc() leave:\n");
52 }
53 
54 void
55 ia_css_sc_encode(
56     struct sh_css_isp_sc_params *to,
57     struct ia_css_shading_table **from,
58     unsigned int size)
59 {
60 	(void)size;
61 	to->gain_shift = (*from)->fraction_bits;
62 }
63 
64 void
65 ia_css_sc_dump(
66     const struct sh_css_isp_sc_params *sc,
67     unsigned int level)
68 {
69 	if (!sc) return;
70 	ia_css_debug_dtrace(level, "Shading Correction:\n");
71 	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
72 			    "sc_gain_shift", sc->gain_shift);
73 }
74 
75 /* ISP2401 */
76 void
77 ia_css_sc_config(
78     struct sh_css_isp_sc_isp_config *to,
79     const struct ia_css_sc_configuration *from,
80     unsigned int size)
81 {
82 	u32 internal_org_x_bqs = from->internal_frame_origin_x_bqs_on_sctbl;
83 	u32 internal_org_y_bqs = from->internal_frame_origin_y_bqs_on_sctbl;
84 	u32 slice, rest, i;
85 
86 	(void)size;
87 
88 	/* The internal_frame_origin_x_bqs_on_sctbl is separated to 8 times of slice_vec. */
89 	rest = internal_org_x_bqs;
90 	for (i = 0; i < SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES; i++) {
91 		slice = min(rest, ((uint32_t)ISP_SLICE_NELEMS));
92 		rest = rest - slice;
93 		to->interped_gain_hor_slice_bqs[i] = slice;
94 	}
95 
96 	to->internal_frame_origin_y_bqs_on_sctbl = internal_org_y_bqs;
97 }
98 
99 /* ISP2401 */
100 void
101 ia_css_sc_configure(
102     const struct ia_css_binary *binary,
103     u32 internal_frame_origin_x_bqs_on_sctbl,
104     uint32_t internal_frame_origin_y_bqs_on_sctbl)
105 {
106 	const struct ia_css_sc_configuration config = {
107 		internal_frame_origin_x_bqs_on_sctbl,
108 		internal_frame_origin_y_bqs_on_sctbl
109 	};
110 
111 	ia_css_configure_sc(binary, &config);
112 }
113 
114 /* ------ deprecated(bz675) : from ------ */
115 /* It looks like @parameter{} (in *.pipe) is used to generate the process/get/set functions,
116    for parameters which should be used in the isp kernels.
117    However, the ia_css_shading_settings structure has a parameter which is used only in the css,
118    and does not have a parameter which is used in the isp kernels.
119    Then, I did not use @parameter{} to generate the get/set function
120    for the ia_css_shading_settings structure. (michie) */
121 void
122 sh_css_get_shading_settings(const struct ia_css_isp_parameters *params,
123 			    struct ia_css_shading_settings *settings)
124 {
125 	if (!settings)
126 		return;
127 	assert(params);
128 
129 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
130 			    "ia_css_get_shading_settings() enter: settings=%p\n", settings);
131 
132 	*settings = params->shading_settings;
133 
134 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
135 			    "ia_css_get_shading_settings() leave: settings.enable_shading_table_conversion=%d\n",
136 			    settings->enable_shading_table_conversion);
137 }
138 
139 void
140 sh_css_set_shading_settings(struct ia_css_isp_parameters *params,
141 			    const struct ia_css_shading_settings *settings)
142 {
143 	if (!settings)
144 		return;
145 	assert(params);
146 
147 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
148 			    "ia_css_set_shading_settings() enter: settings.enable_shading_table_conversion=%d\n",
149 			    settings->enable_shading_table_conversion);
150 
151 	params->shading_settings = *settings;
152 	params->shading_settings_changed = true;
153 
154 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
155 			    "ia_css_set_shading_settings() leave: return_void\n");
156 }
157 
158 /* ------ deprecated(bz675) : to ------ */
159