drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/gc/gc_2/ia_css_gc2_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_GC2_TYPES_H
  16 #define __IA_CSS_GC2_TYPES_H
  17
  18 #include "isp/kernels/ctc/ctc_1.0/ia_css_ctc_types.h"  /* FIXME: needed for ia_css_vamem_type */
  19
  20 /** @file
  21 * CSS-API header file for Gamma Correction parameters.
  22 */
  23
  24 /** sRGB Gamma table, used for sRGB Gamma Correction.
  25  *
  26  *  ISP block: GC2 (sRGB Gamma Correction)
  27  * (ISP1: GC1(YUV Gamma Correction) is used.)
  28  *  ISP2: GC2 is used.
  29  */
  30
  31 /** Number of elements in the sRGB gamma table. */
  32 #define IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE_LOG2 8
  33 #define IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE      (1U<<IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE_LOG2)
  34
  35 /** Number of elements in the sRGB gamma table. */
  36 #define IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE_LOG2    8
  37 #define IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE     ((1U<<IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE_LOG2) + 1)
  38
  39 /**< IA_CSS_VAMEM_TYPE_1(ISP2300) or
  40      IA_CSS_VAMEM_TYPE_2(ISP2400) */
  41 union ia_css_rgb_gamma_data {
  42         uint16_t vamem_1[IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE];
  43         /**< RGB Gamma table on vamem type1. This table is not used,
  44                 because sRGB Gamma Correction is not implemented for ISP2300. */
  45         uint16_t vamem_2[IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE];
  46                 /**< RGB Gamma table on vamem type2. u0.12, [0,4095] */
  47 };
  48
  49 struct ia_css_rgb_gamma_table {
  50         enum ia_css_vamem_type vamem_type;
  51         union ia_css_rgb_gamma_data data;
  52 };
  53
  54 #endif /* __IA_CSS_GC2_TYPES_H */