1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2015, Intel Corporation.
5  */
6 
7 #include "ia_css_debug.h"
8 #include "ia_css_tdf.host.h"
9 
10 static const s16 g_pyramid[8][8] = {
11 	{128, 384, 640, 896, 896, 640, 384, 128},
12 	{384, 1152, 1920, 2688, 2688, 1920, 1152, 384},
13 	{640, 1920, 3200, 4480, 4480, 3200, 1920, 640},
14 	{896, 2688, 4480, 6272, 6272, 4480, 2688, 896},
15 	{896, 2688, 4480, 6272, 6272, 4480, 2688, 896},
16 	{640, 1920, 3200, 4480, 4480, 3200, 1920, 640},
17 	{384, 1152, 1920, 2688, 2688, 1920, 1152, 384},
18 	{128, 384, 640, 896, 896, 640, 384, 128}
19 };
20 
21 void
ia_css_tdf_vmem_encode(struct ia_css_isp_tdf_vmem_params * to,const struct ia_css_tdf_config * from,size_t size)22 ia_css_tdf_vmem_encode(
23     struct ia_css_isp_tdf_vmem_params *to,
24     const struct ia_css_tdf_config *from,
25     size_t size)
26 {
27 	unsigned int i;
28 	(void)size;
29 
30 	for (i = 0; i < ISP_VEC_NELEMS; i++) {
31 		to->pyramid[0][i]          = g_pyramid[i / 8][i % 8];
32 		to->threshold_flat[0][i]   = from->thres_flat_table[i];
33 		to->threshold_detail[0][i] = from->thres_detail_table[i];
34 	}
35 }
36 
37 void
ia_css_tdf_encode(struct ia_css_isp_tdf_dmem_params * to,const struct ia_css_tdf_config * from,size_t size)38 ia_css_tdf_encode(
39     struct ia_css_isp_tdf_dmem_params *to,
40     const struct ia_css_tdf_config *from,
41     size_t size)
42 {
43 	(void)size;
44 	to->Epsilon_0        = from->epsilon_0;
45 	to->Epsilon_1        = from->epsilon_1;
46 	to->EpsScaleText     = from->eps_scale_text;
47 	to->EpsScaleEdge     = from->eps_scale_edge;
48 	to->Sepa_flat	     = from->sepa_flat;
49 	to->Sepa_Edge	     = from->sepa_edge;
50 	to->Blend_Flat	     = from->blend_flat;
51 	to->Blend_Text	     = from->blend_text;
52 	to->Blend_Edge	     = from->blend_edge;
53 	to->Shading_Gain     = from->shading_gain;
54 	to->Shading_baseGain = from->shading_base_gain;
55 	to->LocalY_Gain      = from->local_y_gain;
56 	to->LocalY_baseGain  = from->local_y_base_gain;
57 }
58 
59 void
ia_css_tdf_debug_dtrace(const struct ia_css_tdf_config * config,unsigned int level)60 ia_css_tdf_debug_dtrace(
61     const struct ia_css_tdf_config *config,
62     unsigned int level)
63 {
64 	(void)config;
65 	(void)level;
66 }
67