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 _SH_CSS_PARAMS_DVS_H_ 17 #define _SH_CSS_PARAMS_DVS_H_ 18 19 #include <math_support.h> 20 #include <ia_css_types.h> 21 #include "gdc_global.h" /* gdc_warp_param_mem_t */ 22 23 #define DVS_ENV_MIN_X (12) 24 #define DVS_ENV_MIN_Y (12) 25 26 #define DVS_BLOCKDIM_X (64) /* X block height*/ 27 #define DVS_BLOCKDIM_Y_LUMA (64) /* Y block height*/ 28 #define DVS_BLOCKDIM_Y_CHROMA (32) /* UV height block size is half the Y block height*/ 29 30 /* ISP2400 */ 31 /* horizontal 64x64 blocks round up to DVS_BLOCKDIM_X, make even */ 32 #define DVS_NUM_BLOCKS_X(X) (CEIL_MUL(CEIL_DIV((X), DVS_BLOCKDIM_X), 2)) 33 34 /* ISP2400 */ 35 /* vertical 64x64 blocks round up to DVS_BLOCKDIM_Y */ 36 #define DVS_NUM_BLOCKS_Y(X) (CEIL_DIV((X), DVS_BLOCKDIM_Y_LUMA)) 37 #define DVS_NUM_BLOCKS_X_CHROMA(X) (CEIL_DIV((X), DVS_BLOCKDIM_X)) 38 #define DVS_NUM_BLOCKS_Y_CHROMA(X) (CEIL_DIV((X), DVS_BLOCKDIM_Y_CHROMA)) 39 40 #define DVS_TABLE_IN_BLOCKDIM_X_LUMA(X) (DVS_NUM_BLOCKS_X(X) + 1) /* N blocks have N + 1 set of coords */ 41 #define DVS_TABLE_IN_BLOCKDIM_X_CHROMA(X) (DVS_NUM_BLOCKS_X_CHROMA(X) + 1) 42 #define DVS_TABLE_IN_BLOCKDIM_Y_LUMA(X) (DVS_NUM_BLOCKS_Y(X) + 1) 43 #define DVS_TABLE_IN_BLOCKDIM_Y_CHROMA(X) (DVS_NUM_BLOCKS_Y_CHROMA(X) + 1) 44 45 #define DVS_ENVELOPE_X(X) (((X) == 0) ? (DVS_ENV_MIN_X) : (X)) 46 #define DVS_ENVELOPE_Y(X) (((X) == 0) ? (DVS_ENV_MIN_Y) : (X)) 47 48 #define DVS_COORD_FRAC_BITS (10) 49 50 /* ISP2400 */ 51 #define DVS_INPUT_BYTES_PER_PIXEL (1) 52 53 #define XMEM_ALIGN_LOG2 (5) 54 55 #define DVS_6AXIS_COORDS_ELEMS CEIL_MUL(sizeof(gdc_warp_param_mem_t) \ 56 , HIVE_ISP_DDR_WORD_BYTES) 57 58 /* currently we only support two output with the same resolution, output 0 is th default one. */ 59 #define DVS_6AXIS_BYTES(binary) \ 60 (DVS_6AXIS_COORDS_ELEMS \ 61 * DVS_NUM_BLOCKS_X((binary)->out_frame_info[0].res.width) \ 62 * DVS_NUM_BLOCKS_Y((binary)->out_frame_info[0].res.height)) 63 64 /* 65 * ISP2400: 66 * Bilinear interpolation (HRT_GDC_BLI_MODE) is the supported method currently. 67 * Bicubic interpolation (HRT_GDC_BCI_MODE) is not supported yet */ 68 #define DVS_GDC_INTERP_METHOD HRT_GDC_BLI_MODE 69 70 struct ia_css_dvs_6axis_config * 71 generate_dvs_6axis_table(const struct ia_css_resolution *frame_res, 72 const struct ia_css_resolution *dvs_offset); 73 74 struct ia_css_dvs_6axis_config * 75 generate_dvs_6axis_table_from_config(struct ia_css_dvs_6axis_config 76 *dvs_config_src); 77 78 void 79 free_dvs_6axis_table(struct ia_css_dvs_6axis_config **dvs_6axis_config); 80 81 void 82 copy_dvs_6axis_table(struct ia_css_dvs_6axis_config *dvs_config_dst, 83 const struct ia_css_dvs_6axis_config *dvs_config_src); 84 85 #endif 86