1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2015, Intel Corporation.
5  */
6 
7 #ifndef __IA_CSS_CTC2_PARAM_H
8 #define __IA_CSS_CTC2_PARAM_H
9 
10 #define IA_CSS_CTC_COEF_SHIFT          13
11 #include "vmem.h" /* needed for VMEM_ARRAY */
12 
13 /* CTC (Chroma Tone Control)ISP Parameters */
14 
15 /*VMEM Luma params*/
16 struct ia_css_isp_ctc2_vmem_params {
17 	/** Gains by Y(Luma) at Y = 0.0,Y_X1, Y_X2, Y_X3, Y_X4*/
18 	VMEM_ARRAY(y_x, ISP_VEC_NELEMS);
19 	/* kneepoints by Y(Luma) 0.0, y_x1, y_x2, y _x3, y_x4*/
20 	VMEM_ARRAY(y_y, ISP_VEC_NELEMS);
21 	/* Slopes of lines interconnecting
22 	 *  0.0 -> y_x1 -> y_x2 -> y _x3 -> y_x4 -> 1.0*/
23 	VMEM_ARRAY(e_y_slope, ISP_VEC_NELEMS);
24 };
25 
26 /*DMEM Chroma params*/
27 struct ia_css_isp_ctc2_dmem_params {
28 	/* Gains by UV(Chroma) under kneepoints uv_x0 and uv_x1*/
29 	s32 uv_y0;
30 	s32 uv_y1;
31 
32 	/* Kneepoints by UV(Chroma)- uv_x0 and uv_x1*/
33 	s32 uv_x0;
34 	s32 uv_x1;
35 
36 	/* Slope of line interconnecting uv_x0 -> uv_x1*/
37 	s32 uv_dydx;
38 
39 };
40 #endif /* __IA_CSS_CTC2_PARAM_H */
41