1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /** 3 Support for Intel Camera Imaging ISP subsystem. 4 Copyright (c) 2010 - 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 __SH_CSS_DVS_INFO_H__ 17 #define __SH_CSS_DVS_INFO_H__ 18 19 #include <math_support.h> 20 21 /* horizontal 64x64 blocks round up to DVS_BLOCKDIM_X, make even */ 22 #define DVS_NUM_BLOCKS_X(X) (CEIL_MUL(CEIL_DIV((X), DVS_BLOCKDIM_X), 2)) 23 24 /* vertical 64x64 blocks round up to DVS_BLOCKDIM_Y */ 25 #define DVS_NUM_BLOCKS_Y(X) (CEIL_DIV((X), DVS_BLOCKDIM_Y_LUMA)) 26 27 /* Bilinear interpolation (HRT_GDC_BLI_MODE) is the supported method currently. 28 * Bicubic interpolation (HRT_GDC_BCI_MODE) is not supported yet */ 29 #define DVS_GDC_INTERP_METHOD HRT_GDC_BLI_MODE 30 31 #define DVS_INPUT_BYTES_PER_PIXEL (1) 32 33 #define DVS_NUM_BLOCKS_X_CHROMA(X) (CEIL_DIV((X), DVS_BLOCKDIM_X)) 34 35 #define DVS_NUM_BLOCKS_Y_CHROMA(X) (CEIL_DIV((X), DVS_BLOCKDIM_Y_CHROMA)) 36 37 #endif /* __SH_CSS_DVS_INFO_H__ */ 38