| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * 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_SC_PARAM_H |
| #define __IA_CSS_SC_PARAM_H |
| |
| #include "type_support.h" |
| |
| /* SC (Shading Corrction) */ |
| struct sh_css_isp_sc_params { |
| s32 gain_shift; |
| }; |
| |
| /* Number of horizontal slice times for interpolated gain: |
| * |
| * The start position of the internal frame does not match the start position of the shading table. |
| * To get a vector of shading gains (interpolated horizontally and vertically) |
| * which matches a vector on the internal frame, |
| * vec_slice is used for 2 adjacent vectors of shading gains. |
| * The number of shift times by vec_slice is 8. |
| * Max grid cell bqs to support the shading table centerting: N = 32 |
| * CEIL_DIV(N-1, ISP_SLICE_NELEMS) = CEIL_DIV(31, 4) = 8 |
| */ |
| #define SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES 8 |
| |
| struct sh_css_isp_sc_isp_config { |
| u32 interped_gain_hor_slice_bqs[SH_CSS_SC_INTERPED_GAIN_HOR_SLICE_TIMES]; |
| u32 internal_frame_origin_y_bqs_on_sctbl; |
| }; |
| |
| #endif /* __IA_CSS_SC_PARAM_H */ |
