1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2015, Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  */
15 
16 #ifndef __IA_CSS_WB_TYPES_H
17 #define __IA_CSS_WB_TYPES_H
18 
19 /* @file
20 * CSS-API header file for White Balance parameters.
21 */
22 
23 /* White Balance configuration (Gain Adjust).
24  *
25  *  ISP block: WB1
26  *  ISP1: WB1 is used.
27  *  ISP2: WB1 is used.
28  */
29 struct ia_css_wb_config {
30 	u32 integer_bits; /** Common exponent of gains.
31 				u8.0, [0,3],
32 				default 1, ineffective 1 */
33 	u32 gr;	/** Significand of Gr gain.
34 				u[integer_bits].[16-integer_bits], [0,65535],
35 				default/ineffective 32768(u1.15, 1.0) */
36 	u32 r;	/** Significand of R gain.
37 				u[integer_bits].[16-integer_bits], [0,65535],
38 				default/ineffective 32768(u1.15, 1.0) */
39 	u32 b;	/** Significand of B gain.
40 				u[integer_bits].[16-integer_bits], [0,65535],
41 				default/ineffective 32768(u1.15, 1.0) */
42 	u32 gb;	/** Significand of Gb gain.
43 				u[integer_bits].[16-integer_bits], [0,65535],
44 				default/ineffective 32768(u1.15, 1.0) */
45 };
46 
47 #endif /* __IA_CSS_WB_TYPES_H */
48