diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/csc/csc_1.0/ia_css_csc_types.h')
-rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/csc/csc_1.0/ia_css_csc_types.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/csc/csc_1.0/ia_css_csc_types.h b/drivers/staging/media/atomisp/pci/isp/kernels/csc/csc_1.0/ia_css_csc_types.h new file mode 100644 index 000000000000..160f19bdfca0 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/csc/csc_1.0/ia_css_csc_types.h @@ -0,0 +1,79 @@ +/* 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_CSC_TYPES_H +#define __IA_CSS_CSC_TYPES_H + +/* @file +* CSS-API header file for Color Space Conversion parameters. +*/ + +/* Color Correction configuration. + * + * This structure is used for 3 cases. + * ("YCgCo" is the output format of Demosaic.) + * + * 1. Color Space Conversion (YCgCo to YUV) for ISP1. + * ISP block: CSC1 (Color Space Conversion) + * struct ia_css_cc_config *cc_config + * + * 2. Color Correction Matrix (YCgCo to RGB) for ISP2. + * ISP block: CCM2 (Color Correction Matrix) + * struct ia_css_cc_config *yuv2rgb_cc_config + * + * 3. Color Space Conversion (RGB to YUV) for ISP2. + * ISP block: CSC2 (Color Space Conversion) + * struct ia_css_cc_config *rgb2yuv_cc_config + * + * default/ineffective: + * 1. YCgCo -> YUV + * 1 0.174 0.185 + * 0 -0.66252 -0.66874 + * 0 -0.83738 0.58131 + * + * fraction_bits = 12 + * 4096 713 758 + * 0 -2714 -2739 + * 0 -3430 2381 + * + * 2. YCgCo -> RGB + * 1 -1 1 + * 1 1 0 + * 1 -1 -1 + * + * fraction_bits = 12 + * 4096 -4096 4096 + * 4096 4096 0 + * 4096 -4096 -4096 + * + * 3. RGB -> YUV + * 0.299 0.587 0.114 + * -0.16874 -0.33126 0.5 + * 0.5 -0.41869 -0.08131 + * + * fraction_bits = 13 + * 2449 4809 934 + * -1382 -2714 4096 + * 4096 -3430 -666 + */ +struct ia_css_cc_config { + u32 fraction_bits;/** Fractional bits of matrix. + u8.0, [0,13] */ + s32 matrix[3 * 3]; /** Conversion matrix. + s[13-fraction_bits].[fraction_bits], + [-8192,8191] */ +}; + +#endif /* __IA_CSS_CSC_TYPES_H */ |