LXR linux/drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/raw/raw_1.0/ia_css

   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_frame.h"
  16#include "ia_css_types.h"
  17#include "sh_css_defs.h"
  18#include "ia_css_debug.h"
  19#include "assert_support.h"
  20#define IA_CSS_INCLUDE_CONFIGURATIONS
  21#include "ia_css_isp_configs.h"
  22#include "isp.h"
  23#include "isp/modes/interface/isp_types.h"
  24
  25#include "ia_css_raw.host.h"
  26
  27
  28static const struct ia_css_raw_configuration default_config = {
  29        .pipe = (struct sh_css_sp_pipeline *)NULL,
  30};
  31
  32static inline unsigned
  33sh_css_elems_bytes_from_info (unsigned raw_bit_depth)
  34{
  35        return CEIL_DIV(raw_bit_depth,8);
  36}
  37
  38/* MW: These areMIPI / ISYS properties, not camera function properties */
  39static enum sh_stream_format
  40css2isp_stream_format(enum ia_css_stream_format from)
  41{
  42        switch (from) {
  43        case IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY:
  44                return sh_stream_format_yuv420_legacy;
  45        case IA_CSS_STREAM_FORMAT_YUV420_8:
  46        case IA_CSS_STREAM_FORMAT_YUV420_10:
  47        case IA_CSS_STREAM_FORMAT_YUV420_16:
  48                return sh_stream_format_yuv420;
  49        case IA_CSS_STREAM_FORMAT_YUV422_8:
  50        case IA_CSS_STREAM_FORMAT_YUV422_10:
  51        case IA_CSS_STREAM_FORMAT_YUV422_16:
  52                return sh_stream_format_yuv422;
  53        case IA_CSS_STREAM_FORMAT_RGB_444:
  54        case IA_CSS_STREAM_FORMAT_RGB_555:
  55        case IA_CSS_STREAM_FORMAT_RGB_565:
  56        case IA_CSS_STREAM_FORMAT_RGB_666:
  57        case IA_CSS_STREAM_FORMAT_RGB_888:
  58                return sh_stream_format_rgb;
  59        case IA_CSS_STREAM_FORMAT_RAW_6:
  60        case IA_CSS_STREAM_FORMAT_RAW_7:
  61        case IA_CSS_STREAM_FORMAT_RAW_8:
  62        case IA_CSS_STREAM_FORMAT_RAW_10:
  63        case IA_CSS_STREAM_FORMAT_RAW_12:
  64        case IA_CSS_STREAM_FORMAT_RAW_14:
  65        case IA_CSS_STREAM_FORMAT_RAW_16:
  66                return sh_stream_format_raw;
  67        case IA_CSS_STREAM_FORMAT_BINARY_8:
  68        default:
  69                return sh_stream_format_raw;
  70        }
  71}
  72
  73void
  74ia_css_raw_config(
  75        struct sh_css_isp_raw_isp_config *to,
  76        const struct ia_css_raw_configuration  *from,
  77        unsigned size)
  78{
  79        unsigned elems_a = ISP_VEC_NELEMS;
  80        const struct ia_css_frame_info *in_info = from->in_info;
  81        const struct ia_css_frame_info *internal_info = from->internal_info;
  82
  83        (void)size;
  84#if !defined(USE_INPUT_SYSTEM_VERSION_2401)
  85        /* 2401 input system uses input width width */
  86        in_info = internal_info;
  87#else
  88        /*in some cases, in_info is NULL*/
  89        if (in_info)
  90                (void)internal_info;
  91        else
  92                in_info = internal_info;
  93
  94#endif
  95        ia_css_dma_configure_from_info(&to->port_b, in_info);
  96
  97        /* Assume divisiblity here, may need to generalize to fixed point. */
  98        assert((in_info->format == IA_CSS_FRAME_FORMAT_RAW_PACKED) ||
  99                   (elems_a % to->port_b.elems == 0));
 100
 101        to->width_a_over_b      = elems_a / to->port_b.elems;
 102        to->inout_port_config   = from->pipe->inout_port_config;
 103        to->format              = in_info->format;
 104        to->required_bds_factor = from->pipe->required_bds_factor;
 105        to->two_ppc             = from->two_ppc;
 106        to->stream_format       = css2isp_stream_format(from->stream_format);
 107        to->deinterleaved       = from->deinterleaved;
 108#if (defined(USE_INPUT_SYSTEM_VERSION_2401) || defined(CONFIG_CSI2_PLUS))
 109        to->start_column        = in_info->crop_info.start_column;
 110        to->start_line          = in_info->crop_info.start_line;
 111        to->enable_left_padding = from->enable_left_padding;
 112#endif
 113}
 114
 115void
 116ia_css_raw_configure(
 117        const struct sh_css_sp_pipeline *pipe,
 118        const struct ia_css_binary      *binary,
 119        const struct ia_css_frame_info  *in_info,
 120        const struct ia_css_frame_info  *internal_info,
 121        bool two_ppc,
 122        bool deinterleaved)
 123{
 124        uint8_t enable_left_padding = (uint8_t)((binary->left_padding) ? 1 : 0);
 125        struct ia_css_raw_configuration config = default_config;
 126
 127        config.pipe                = pipe;
 128        config.in_info             = in_info;
 129        config.internal_info       = internal_info;
 130        config.two_ppc             = two_ppc;
 131        config.stream_format       = binary->input_format;
 132        config.deinterleaved       = deinterleaved;
 133        config.enable_left_padding = enable_left_padding;
 134
 135        ia_css_configure_raw(binary, &config);
 136}
 137