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   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_SDIS_COMMON_HOST_H
  16 #define _IA_CSS_SDIS_COMMON_HOST_H
  17
  18 #define ISP_MAX_SDIS_HOR_PROJ_NUM_ISP \
  19         __ISP_SDIS_HOR_PROJ_NUM_ISP(ISP_MAX_INTERNAL_WIDTH, ISP_MAX_INTERNAL_HEIGHT, \
  20                 SH_CSS_DIS_DECI_FACTOR_LOG2, ISP_PIPE_VERSION)
  21 #define ISP_MAX_SDIS_VER_PROJ_NUM_ISP \
  22         __ISP_SDIS_VER_PROJ_NUM_ISP(ISP_MAX_INTERNAL_WIDTH, \
  23                 SH_CSS_DIS_DECI_FACTOR_LOG2)
  24
  25 #define _ISP_SDIS_HOR_COEF_NUM_VECS \
  26         __ISP_SDIS_HOR_COEF_NUM_VECS(ISP_INTERNAL_WIDTH)
  27 #define ISP_MAX_SDIS_HOR_COEF_NUM_VECS \
  28         __ISP_SDIS_HOR_COEF_NUM_VECS(ISP_MAX_INTERNAL_WIDTH)
  29 #define ISP_MAX_SDIS_VER_COEF_NUM_VECS \
  30         __ISP_SDIS_VER_COEF_NUM_VECS(ISP_MAX_INTERNAL_HEIGHT)
  31
  32 /* SDIS Coefficients: */
  33 /* The ISP uses vectors to store the coefficients, so we round
  34    the number of coefficients up to vectors. */
  35 #define __ISP_SDIS_HOR_COEF_NUM_VECS(in_width)  _ISP_VECS(_ISP_BQS(in_width))
  36 #define __ISP_SDIS_VER_COEF_NUM_VECS(in_height) _ISP_VECS(_ISP_BQS(in_height))
  37
  38 /* SDIS Projections:
  39  * SDIS1: Horizontal projections are calculated for each line.
  40  * Vertical projections are calculated for each column.
  41  * SDIS2: Projections are calculated for each grid cell.
  42  * Grid cells that do not fall completely within the image are not
  43  * valid. The host needs to use the bigger one for the stride but
  44  * should only return the valid ones to the 3A. */
  45 #define __ISP_SDIS_HOR_PROJ_NUM_ISP(in_width, in_height, deci_factor_log2, \
  46         isp_pipe_version) \
  47         ((isp_pipe_version == 1) ? \
  48                 CEIL_SHIFT(_ISP_BQS(in_height), deci_factor_log2) : \
  49                 CEIL_SHIFT(_ISP_BQS(in_width), deci_factor_log2))
  50
  51 #define __ISP_SDIS_VER_PROJ_NUM_ISP(in_width, deci_factor_log2) \
  52         CEIL_SHIFT(_ISP_BQS(in_width), deci_factor_log2)
  53
  54 #define SH_CSS_DIS_VER_NUM_COEF_TYPES(b) \
  55   (((b)->info->sp.pipeline.isp_pipe_version == 2) ? \
  56         IA_CSS_DVS2_NUM_COEF_TYPES : \
  57         IA_CSS_DVS_NUM_COEF_TYPES)
  58
  59 #ifndef PIPE_GENERATION
  60 #if defined(__ISP) || defined (MK_FIRMWARE)
  61
  62 /* Array cannot be 2-dimensional, since driver ddr allocation does not know stride */
  63 struct sh_css_isp_sdis_hori_proj_tbl {
  64   int32_t tbl[ISP_DVS_NUM_COEF_TYPES * ISP_MAX_SDIS_HOR_PROJ_NUM_ISP];
  65 #if DVS2_PROJ_MARGIN > 0
  66   int32_t margin[DVS2_PROJ_MARGIN];
  67 #endif
  68 };
  69
  70 struct sh_css_isp_sdis_vert_proj_tbl {
  71   int32_t tbl[ISP_DVS_NUM_COEF_TYPES * ISP_MAX_SDIS_VER_PROJ_NUM_ISP];
  72 #if DVS2_PROJ_MARGIN > 0
  73   int32_t margin[DVS2_PROJ_MARGIN];
  74 #endif
  75 };
  76
  77 struct sh_css_isp_sdis_hori_coef_tbl {
  78   VMEM_ARRAY(tbl[ISP_DVS_NUM_COEF_TYPES], ISP_MAX_SDIS_HOR_COEF_NUM_VECS*ISP_NWAY);
  79 };
  80
  81 struct sh_css_isp_sdis_vert_coef_tbl {
  82   VMEM_ARRAY(tbl[ISP_DVS_NUM_COEF_TYPES], ISP_MAX_SDIS_VER_COEF_NUM_VECS*ISP_NWAY);
  83 };
  84
  85 #endif /* defined(__ISP) || defined (MK_FIRMWARE) */
  86 #endif /* PIPE_GENERATION */
  87
  88 #ifndef PIPE_GENERATION
  89 struct s_sdis_config {
  90   unsigned horicoef_vectors;
  91   unsigned vertcoef_vectors;
  92   unsigned horiproj_num;
  93   unsigned vertproj_num;
  94 };
  95
  96 extern struct s_sdis_config sdis_config;
  97 #endif
  98
  99 #endif /* _IA_CSS_SDIS_COMMON_HOST_H */