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Diffstat (limited to 'include/ia_imaging/shd_public.h')
| -rw-r--r-- | include/ia_imaging/shd_public.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/include/ia_imaging/shd_public.h b/include/ia_imaging/shd_public.h new file mode 100644 index 0000000..0fbaae9 --- /dev/null +++ b/include/ia_imaging/shd_public.h @@ -0,0 +1,160 @@ +/* + * Copyright (C) 2015 - 2017 Intel Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _SHD_PUBLIC_H_ +#define _SHD_PUBLIC_H_ + +/** @file +* CSS-API header file for 2500/Skycam Shading correction (SHD) kernel/accelerator. +*/ +//#include <type_support.h> + +enum { + SHD_MIN_GRID_WIDTH = 8, + SHD_MIN_GRID_HEIGHT = 8, + SHD_MAX_GRID_WIDTH = 73, + SHD_MAX_GRID_HEIGHT = 55, + SHD_MAX_GRID_SIZE = SHD_MAX_GRID_WIDTH * SHD_MAX_GRID_HEIGHT +}; + +struct shd_public_config { + /** description: enable shading correction fixed function processing + * range: [0 - disable,1 - enable] */ + unsigned int shd_enable; + /** description: gain factor (aka 'gf') + * range: U2 [0,1,2] */ + unsigned int gain_factor; +}; + +/** +* Config struct for 2500/Skycam Shading correction (SHD) kernel/accelerator. +* +* general grid limitation: +* grid total size is larger than (or equal to) frame size +*/ +struct shd_grid_public_config { + /** description: number of grid vertices on the horizontal axis + range: [8..73] */ + unsigned int grid_width; + /** description: number of grid vertices on the vertical axis + range: [8..56] */ + unsigned int grid_height; + /** description: log2 of each grid cell width + range: [3..7] (cell width values [8,16,32,64,128]) */ + unsigned int block_width; + /** description: log2 of each grid cell height + range: [3..7] (cell height values [8,16,32,64,128]) */ + unsigned int block_height; + /** description: horizontal offset of the grid in relation to the frame + range: [-4096..0] (grid starts left to the frame start) + other limitations: x_start%2=0 */ + signed int x_start; + /** description: vertical offset of the grid in relation to the frame + range: [-4096..0] (grid starts above the frame start) + other limitations: y_start%2=0 */ + signed int y_start; +}; + +struct shd_black_level_public_config { + /** description: black level bias value + range: S12 [-2048..2047] */ + signed int bl_R; + /** description: black level bias value + range: S12 [-2048..2047] */ + signed int bl_Gr; + /** description: black level bias value + range: S12 [-2048..2047] */ + signed int bl_Gb; + /** description: black level bias value + range: S12 [-2048..2047] */ + signed int bl_B; + /** description: shift-left value for normaliztion factor (aka 'nf') + range: [0,1,3,5] */ + unsigned int normalization_shift; +}; + +struct shd_luts_public_config { + /** + * description: shading factor + * range: U12 + * note 1: refer to shd HAS doc for internal interpretation + * note 2: range is not enforced (too much overhead) + */ + unsigned short R[SHD_MAX_GRID_SIZE]; + /** + * description: shading factor + * range: U12 + * note 1: refer to shd HAS doc for internal interpretation + * note 2: range is not enforced (too much overhead) + */ + unsigned short Gr[SHD_MAX_GRID_SIZE]; + /** + * description: shading factor + * range: U12 + * note 1: refer to shd HAS doc for internal interpretation + * note 2: range is not enforced (too much overhead) + */ + unsigned short Gb[SHD_MAX_GRID_SIZE]; + /** + * description: shading factor + * range: U12 + * note 1: refer to shd HAS doc for internal interpretation + * note 2: range is not enforced (too much overhead) + */ + unsigned short B[SHD_MAX_GRID_SIZE]; +}; + +// OPEN - what about the enable? +struct shd_kernel_config { + + struct shd_public_config general; + + struct shd_grid_public_config grid; + + struct shd_black_level_public_config black_level; + + struct shd_luts_public_config luts; +}; + +struct ia_css_2500_shd_kernel_config { + struct shd_kernel_config shd; +}; + +/** @brief Print SHD public configuration + * + * @param cfg The pointer to configuration data + * @return None + * + * Print SHD public configuration. + */ +void ia_css_shd_public_cfg_dump(const struct ia_css_2500_shd_kernel_config *cfg); + +/** @brief Compare two SHD public configurations + * + * @param cfg1 The pointer to first configuration data + * @param cfg2 The pointer to second configuration data + * @param cfg_dump Configurations are printed in case of + * mismatch + * @return true - match, false - not match + * + * Compare two SHD public configurations + */ +bool ia_css_shd_public_cfg_compare( + const struct ia_css_2500_shd_kernel_config *cfg1, + const struct ia_css_2500_shd_kernel_config *cfg2, + bool cfg_dump); + +#endif // _SHD_PUBLIC_H_ |