drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/sc/sc_1.0/ia_css_sc.host.c

   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 #ifdef ISP2401
  20 #include "math_support.h"       /* min() */
  21
  22 #define IA_CSS_INCLUDE_CONFIGURATIONS
  23 #include "ia_css_isp_configs.h"
  24 #endif
  25
  26 #include "ia_css_sc.host.h"
  27
  28 void
  29 ia_css_sc_encode(
  30         struct sh_css_isp_sc_params *to,
  31         struct ia_css_shading_table **from,
  32         unsigned size)
  33 {
  34         (void)size;
  35         to->gain_shift = (*from)->fraction_bits;
  36 }
  37
  38 void
  39 ia_css_sc_dump(
  40         const struct sh_css_isp_sc_params *sc,
  41         unsigned level)
  42 {
  43         if (!sc) return;
  44         ia_css_debug_dtrace(level, "Shading Correction:\n");
  45         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  46                         "sc_gain_shift", sc->gain_shift);
  47 }
  48
  49 #ifdef ISP2401
  50 void
  51 ia_css_sc_config(
  52         struct sh_css_isp_sc_isp_config *to,
  53         const struct ia_css_sc_configuration *from,
  54         unsigned size)
  55 {
  56         uint32_t internal_org_x_bqs = from->internal_frame_origin_x_bqs_on_sctbl;
  57         uint32_t internal_org_y_bqs = from->internal_frame_origin_y_bqs_on_sctbl;
  58         uint32_t slice, rest, i;
  59
  60         (void)size;
  61
  62         /* The internal_frame_origin_x_bqs_on_sctbl is separated to 8 times of slice_vec. */
  63         rest = internal_org_x_bqs;
  64         for (i = 0; i < SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES; i++) {
  65                 slice = min(rest, ((uint32_t)ISP_SLICE_NELEMS));
  66                 rest = rest - slice;
  67                 to->interped_gain_hor_slice_bqs[i] = slice;
  68         }
  69
  70         to->internal_frame_origin_y_bqs_on_sctbl = internal_org_y_bqs;
  71 }
  72
  73 void
  74 ia_css_sc_configure(
  75         const struct ia_css_binary *binary,
  76         uint32_t internal_frame_origin_x_bqs_on_sctbl,
  77         uint32_t internal_frame_origin_y_bqs_on_sctbl)
  78 {
  79         const struct ia_css_sc_configuration config = {
  80                 internal_frame_origin_x_bqs_on_sctbl,
  81                 internal_frame_origin_y_bqs_on_sctbl };
  82
  83         ia_css_configure_sc(binary, &config);
  84 }
  85
  86 #endif
  87 /* ------ deprecated(bz675) : from ------ */
  88 /* It looks like @parameter{} (in *.pipe) is used to generate the process/get/set functions,
  89    for parameters which should be used in the isp kernels.
  90    However, the ia_css_shading_settings structure has a parameter which is used only in the css,
  91    and does not have a parameter which is used in the isp kernels.
  92    Then, I did not use @parameter{} to generate the get/set function
  93    for the ia_css_shading_settings structure. (michie) */
  94 void
  95 sh_css_get_shading_settings(const struct ia_css_isp_parameters *params,
  96                         struct ia_css_shading_settings *settings)
  97 {
  98         if (settings == NULL)
  99                 return;
 100         assert(params != NULL);
 101
 102         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 103                 "ia_css_get_shading_settings() enter: settings=%p\n", settings);
 104
 105         *settings = params->shading_settings;
 106
 107         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 108                 "ia_css_get_shading_settings() leave: settings.enable_shading_table_conversion=%d\n",
 109                 settings->enable_shading_table_conversion);
 110 }
 111
 112 void
 113 sh_css_set_shading_settings(struct ia_css_isp_parameters *params,
 114                         const struct ia_css_shading_settings *settings)
 115 {
 116         if (settings == NULL)
 117                 return;
 118         assert(params != NULL);
 119
 120         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 121                 "ia_css_set_shading_settings() enter: settings.enable_shading_table_conversion=%d\n",
 122                 settings->enable_shading_table_conversion);
 123
 124         params->shading_settings = *settings;
 125         params->shading_settings_changed = true;
 126
 127         ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE,
 128                 "ia_css_set_shading_settings() leave: return_void\n");
 129 }
 130 /* ------ deprecated(bz675) : to ------ */