[mirror_ubuntu-focal-kernel.git] / drivers / staging / media / atomisp / pci / atomisp2 / css2400 / isp / kernels / gc / gc_2 / ia_css_gc2_types.h

/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 */

#ifndef __IA_CSS_GC2_TYPES_H
#define __IA_CSS_GC2_TYPES_H

#include "isp/kernels/ctc/ctc_1.0/ia_css_ctc_types.h"  /* FIXME: needed for ia_css_vamem_type */

/* @file
* CSS-API header file for Gamma Correction parameters.
*/

/* sRGB Gamma table, used for sRGB Gamma Correction.
 *
 *  ISP block: GC2 (sRGB Gamma Correction)
 * (ISP1: GC1(YUV Gamma Correction) is used.)
 *  ISP2: GC2 is used.
 */

/* Number of elements in the sRGB gamma table. */
#define IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE_LOG2 8
#define IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE      (1U<<IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE_LOG2)

/* Number of elements in the sRGB gamma table. */
#define IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE_LOG2    8
#define IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE     ((1U<<IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE_LOG2) + 1)

/** IA_CSS_VAMEM_TYPE_1(ISP2300) or
     IA_CSS_VAMEM_TYPE_2(ISP2400) */
union ia_css_rgb_gamma_data {
	uint16_t vamem_1[IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE];
	/** RGB Gamma table on vamem type1. This table is not used,
		because sRGB Gamma Correction is not implemented for ISP2300. */
	uint16_t vamem_2[IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE];
		/** RGB Gamma table on vamem type2. u0.12, [0,4095] */
};

struct ia_css_rgb_gamma_table {
	enum ia_css_vamem_type vamem_type;
	union ia_css_rgb_gamma_data data;
};

#endif /* __IA_CSS_GC2_TYPES_H */
Commit	Line	Data
a49d2536 AC	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_GC2_TYPES_H
	16	#define __IA_CSS_GC2_TYPES_H
	17
	18	#include "isp/kernels/ctc/ctc_1.0/ia_css_ctc_types.h" /* FIXME: needed for ia_css_vamem_type */
	19
d929fb4e	20	/* @file
a49d2536 AC	21	* CSS-API header file for Gamma Correction parameters.
	22	*/
	23
d929fb4e	24	/* sRGB Gamma table, used for sRGB Gamma Correction.
a49d2536 AC	25	*
	26	* ISP block: GC2 (sRGB Gamma Correction)
	27	* (ISP1: GC1(YUV Gamma Correction) is used.)
	28	* ISP2: GC2 is used.
	29	*/
	30
d929fb4e	31	/* Number of elements in the sRGB gamma table. */
a49d2536 AC	32	#define IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE_LOG2 8
	33	#define IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE (1U<<IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE_LOG2)
	34
d929fb4e	35	/* Number of elements in the sRGB gamma table. */
a49d2536 AC	36	#define IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE_LOG2 8
	37	#define IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE ((1U<<IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE_LOG2) + 1)
	38
d929fb4e	39	/** IA_CSS_VAMEM_TYPE_1(ISP2300) or
a49d2536 AC	40	IA_CSS_VAMEM_TYPE_2(ISP2400) */
	41	union ia_css_rgb_gamma_data {
	42	uint16_t vamem_1[IA_CSS_VAMEM_1_RGB_GAMMA_TABLE_SIZE];
d929fb4e	43	/** RGB Gamma table on vamem type1. This table is not used,
a49d2536 AC	44	because sRGB Gamma Correction is not implemented for ISP2300. */
a49d2536 AC	45	uint16_t vamem_2[IA_CSS_VAMEM_2_RGB_GAMMA_TABLE_SIZE];
d929fb4e	46	/** RGB Gamma table on vamem type2. u0.12, [0,4095] */
a49d2536 AC	47	};
	48
	49	struct ia_css_rgb_gamma_table {
	50	enum ia_css_vamem_type vamem_type;
	51	union ia_css_rgb_gamma_data data;
	52	};
	53
	54	#endif /* __IA_CSS_GC2_TYPES_H */