drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/xnr/xnr_1.0/ia_css_xnr_types.h

   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 #ifndef __IA_CSS_XNR_TYPES_H
  16 #define __IA_CSS_XNR_TYPES_H
  17
  18 /* @file
  19 * CSS-API header file for Extra Noise Reduction (XNR) parameters.
  20 */
  21
  22 /* XNR table.
  23  *
  24  *  NOTE: The driver does not need to set this table,
  25  *        because the default values are set inside the css.
  26  *
  27  *  This table contains coefficients used for division in XNR.
  28  *
  29  *      u0.12, [0,4095],
  30  *      {4095, 2048, 1365, .........., 65, 64}
  31  *      ({1/1, 1/2, 1/3, ............., 1/63, 1/64})
  32  *
  33  *  ISP block: XNR1
  34  *  ISP1: XNR1 is used.
  35  *  ISP2: XNR1 is used.
  36  *
  37  */
  38
  39 /* Number of elements in the xnr table. */
  40 #define IA_CSS_VAMEM_1_XNR_TABLE_SIZE_LOG2      6
  41 /* Number of elements in the xnr table. */
  42 #define IA_CSS_VAMEM_1_XNR_TABLE_SIZE           (1U<<IA_CSS_VAMEM_1_XNR_TABLE_SIZE_LOG2)
  43
  44 /* Number of elements in the xnr table. */
  45 #define IA_CSS_VAMEM_2_XNR_TABLE_SIZE_LOG2      6
  46 /* Number of elements in the xnr table. */
  47 #define IA_CSS_VAMEM_2_XNR_TABLE_SIZE           (1U<<IA_CSS_VAMEM_2_XNR_TABLE_SIZE_LOG2)
  48
  49 /** IA_CSS_VAMEM_TYPE_1(ISP2300) or
  50      IA_CSS_VAMEM_TYPE_2(ISP2400) */
  51 union ia_css_xnr_data {
  52         uint16_t vamem_1[IA_CSS_VAMEM_1_XNR_TABLE_SIZE];
  53         /** Coefficients table on vamem type1. u0.12, [0,4095] */
  54         uint16_t vamem_2[IA_CSS_VAMEM_2_XNR_TABLE_SIZE];
  55         /** Coefficients table on vamem type2. u0.12, [0,4095] */
  56 };
  57
  58 struct ia_css_xnr_table {
  59         enum ia_css_vamem_type vamem_type;
  60         union ia_css_xnr_data data;
  61 };
  62
  63 struct ia_css_xnr_config {
  64         /* XNR threshold.
  65          * type:u0.16 valid range:[0,65535]
  66          * default: 6400 */
  67         uint16_t threshold;
  68 };
  69
  70 #endif /* __IA_CSS_XNR_TYPES_H */
  71