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/*
* 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 _AWB_FR_PUBLIC_H_
#define _AWB_FR_PUBLIC_H_
/** @file
* CSS-API header file for 2500/Skycam Auto White Balance Filter Response (AWB) kernel/accelerator.
*/
//#include <type_support.h>
/* All structs in this file will be visible to the CSS API User.
* The User will be able to set each one of the config params separately by
* specifying a different config type (see sh_config_type in sh_css.h).
* If one of those config structs is not set explicitly, a default value will
* be used instead.
*/
#define AWB_FR_MIN_GRID_WIDTH 16
#define AWB_FR_MIN_GRID_HEIGHT 16
#define AWB_FR_MAX_GRID_WIDTH 32
#define AWB_FR_MAX_GRID_HEIGHT 24
#define AWB_FR_MIN_BLOCK_WIDTH 3
#define AWB_FR_MIN_BLOCK_HEIGHT 3
#define AWB_FR_MAX_BLOCK_WIDTH 6 /**< HSD1403986067 bug in c0, restrict max block width to 6 instead of 7 */
#define AWB_FR_MAX_BLOCK_HEIGHT 6 /**< HSD1403986067 bug in c0, restrict max block height to 6 instead of 7 */
typedef struct awb_fr_public_coeffs_config {
unsigned char A1; /**< default value 0 */
unsigned char A2; /**< default value 0 */
unsigned char A3; /**< default value 0 */
unsigned char A4; /**< default value 0 */
unsigned char A5; /**< default value 0 */
unsigned char A6; /**< default value 128 */
unsigned int sign_vec; /**< default value 0 */
} awb_fr_public_coeffs_config_t;
typedef struct awb_fr_public_nf_config {
//TODO - this is calculate by log2 of the sum ofcoeffs, should it be exposed to user?
unsigned char bayer_nf;
} awb_fr_public_nf_config_t;
/**
* constraint: this grid has to be totally internal to the processed frame plane
* with margins of 10 per horizontal direction and 2 per vertical direction
* therefore, we'll set its default value to represent the smallest size;
* this will restrain the processed resolution the less
*/
struct awb_fr_public_grid_config{
unsigned char grid_width; /**< default value 16, Note: according to HAS - 32 */
unsigned char grid_height; /**< default value 16, Note: according to HAS - 24 */
unsigned char block_width; /**< default value 3, Log2 the width of each cell (8,16,32,64,128) */
unsigned char block_height; /**< default value 3, Log2 the width of each cell (8,16,32,64,128) */
unsigned short x_start; /**< default value 10, X top left corner of the grid x_start is even */
unsigned short y_start; /**< default value 2, Y top left corner of the grid y_start is even */
unsigned char af_bayer_en; /**< default value 1, awb_fr ff enable/disable meta data generation */
};
struct awb_fr_public_config {
awb_fr_public_coeffs_config_t bayer_coeffs;
awb_fr_public_nf_config_t nf;
struct awb_fr_public_grid_config grid;
};
struct ia_css_2500_awb_fr_kernel_config {
struct awb_fr_public_config awb_fr;
};
// awb_fr public meta-data
typedef struct awb_fr_public_bayer_item{
unsigned short gr_avg; /**< Average level of GreenR color */
unsigned short r_avg; /**< Average level of Red color */
unsigned short b_avg; /**< Average level of Blue color */
unsigned short gb_avg; /**< Average level of GreenB color */
} awb_fr_public_bayer_item_t;
/** Based on max grid width + spare for bubbles */
#define AWB_FR_PUBLIC_NUM_OF_ITEMS_IN_SET (AWB_FR_MAX_GRID_WIDTH + 20)
#define AWB_FR_PUBLIC_NUM_OF_SETS_IN_BUFFER AWB_FR_MAX_GRID_HEIGHT
#define AWB_FR_BUFF_RATIO 2 /**< AWB_FR stats buffer ratio */
typedef struct awb_fr_public_raw_buffer{
awb_fr_public_bayer_item_t bayer_table[AWB_FR_PUBLIC_NUM_OF_ITEMS_IN_SET *
AWB_FR_PUBLIC_NUM_OF_SETS_IN_BUFFER * AWB_FR_BUFF_RATIO]; /**< awb_fr statistics table */
} awb_fr_public_raw_buffer_t;
/** @brief Print AWB_FR public configuration
*
* @param cfg The pointer to configuration data
* @return None
*
* Print AWB_FR public configuration.
*/
void ia_css_awb_fr_public_cfg_dump(
const struct ia_css_2500_awb_fr_kernel_config *cfg);
/** @brief Compare two AWB_FR 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 AWB_FR public configurations
*/
bool ia_css_awb_fr_public_cfg_compare(
const struct ia_css_2500_awb_fr_kernel_config *cfg1,
const struct ia_css_2500_awb_fr_kernel_config *cfg2,
bool cfg_dump);
#endif /* _AWB_FR_PUBLIC_H_ */
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