drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/gc/gc_1.0/ia_css_gc_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_GC_TYPES_H
  16 #define __IA_CSS_GC_TYPES_H
  17
  18 /* @file
  19 * CSS-API header file for Gamma Correction parameters.
  20 */
  21
  22 #include "isp/kernels/ctc/ctc_1.0/ia_css_ctc_types.h"  /* FIXME: Needed for ia_css_vamem_type */
  23
  24 /* Fractional bits for GAMMA gain */
  25 #define IA_CSS_GAMMA_GAIN_K_SHIFT      13
  26
  27 /* Number of elements in the gamma table. */
  28 #define IA_CSS_VAMEM_1_GAMMA_TABLE_SIZE_LOG2    10
  29 #define IA_CSS_VAMEM_1_GAMMA_TABLE_SIZE         (1U<<IA_CSS_VAMEM_1_GAMMA_TABLE_SIZE_LOG2)
  30
  31 /* Number of elements in the gamma table. */
  32 #define IA_CSS_VAMEM_2_GAMMA_TABLE_SIZE_LOG2    8
  33 #define IA_CSS_VAMEM_2_GAMMA_TABLE_SIZE         ((1U<<IA_CSS_VAMEM_2_GAMMA_TABLE_SIZE_LOG2) + 1)
  34
  35 /* Gamma table, used for Y(Luma) Gamma Correction.
  36  *
  37  *  ISP block: GC1 (YUV Gamma Correction)
  38  *  ISP1: GC1 is used.
  39  * (ISP2: GC2(sRGB Gamma Correction) is used.)
  40  */
  41 /** IA_CSS_VAMEM_TYPE_1(ISP2300) or
  42      IA_CSS_VAMEM_TYPE_2(ISP2400) */
  43 union ia_css_gc_data {
  44         uint16_t vamem_1[IA_CSS_VAMEM_1_GAMMA_TABLE_SIZE];
  45         /** Y(Luma) Gamma table on vamem type 1. u0.8, [0,255] */
  46         uint16_t vamem_2[IA_CSS_VAMEM_2_GAMMA_TABLE_SIZE];
  47         /** Y(Luma) Gamma table on vamem type 2. u0.8, [0,255] */
  48 };
  49
  50 struct ia_css_gamma_table {
  51         enum ia_css_vamem_type vamem_type;
  52         union ia_css_gc_data data;
  53 };
  54
  55 /* Gamma Correction configuration (used only for YUV Gamma Correction).
  56  *
  57  *  ISP block: GC1 (YUV Gamma Correction)
  58  *  ISP1: GC1 is used.
  59  * (ISP2: GC2 (sRGB Gamma Correction) is used.)
  60   */
  61 struct ia_css_gc_config {
  62         uint16_t gain_k1; /** Gain to adjust U after YUV Gamma Correction.
  63                                 u0.16, [0,65535],
  64                                 default/ineffective 19000(0.29) */
  65         uint16_t gain_k2; /** Gain to adjust V after YUV Gamma Correction.
  66                                 u0.16, [0,65535],
  67                                 default/ineffective 19000(0.29) */
  68 };
  69
  70 /* Chroma Enhancement configuration.
  71  *
  72  *  This parameter specifies range of chroma output level.
  73  *  The standard range is [0,255] or [16,240].
  74  *
  75  *  ISP block: CE1
  76  *  ISP1: CE1 is used.
  77  * (ISP2: CE1 is not used.)
  78  */
  79 struct ia_css_ce_config {
  80         uint8_t uv_level_min; /** Minimum of chroma output level.
  81                                 u0.8, [0,255], default/ineffective 0 */
  82         uint8_t uv_level_max; /** Maximum of chroma output level.
  83                                 u0.8, [0,255], default/ineffective 255 */
  84 };
  85
  86 /* Multi-Axes Color Correction (MACC) configuration.
  87  *
  88  *  ISP block: MACC2 (MACC by matrix and exponent(ia_css_macc_config))
  89  * (ISP1: MACC1 (MACC by only matrix) is used.)
  90  *  ISP2: MACC2 is used.
  91  */
  92 struct ia_css_macc_config {
  93         uint8_t exp;    /** Common exponent of ia_css_macc_table.
  94                                 u8.0, [0,13], default 1, ineffective 1 */
  95 };
  96
  97 #endif /* __IA_CSS_GC_TYPES_H */