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 #include <assert_support.h> 17 #include <ia_css_frame_public.h> 18 #include <ia_css_frame.h> 19 #include <ia_css_binary.h> 20 #define IA_CSS_INCLUDE_CONFIGURATIONS 21 #include "ia_css_isp_configs.h" 22 #include "isp.h" 23 #include "ia_css_crop.host.h" 24 25 static const struct ia_css_crop_configuration default_config = { 26 .info = (struct ia_css_frame_info *)NULL, 27 }; 28 29 void 30 ia_css_crop_encode( 31 struct sh_css_isp_crop_isp_params *to, 32 const struct ia_css_crop_config *from, 33 unsigned int size) 34 { 35 (void)size; 36 to->crop_pos = from->crop_pos; 37 } 38 39 int ia_css_crop_config(struct sh_css_isp_crop_isp_config *to, 40 const struct ia_css_crop_configuration *from, 41 unsigned int size) 42 { 43 unsigned int elems_a = ISP_VEC_NELEMS; 44 int ret; 45 46 ret = ia_css_dma_configure_from_info(&to->port_b, from->info); 47 if (ret) 48 return ret; 49 50 to->width_a_over_b = elems_a / to->port_b.elems; 51 52 /* Assume divisiblity here, may need to generalize to fixed point. */ 53 if (elems_a % to->port_b.elems != 0) 54 return -EINVAL; 55 56 return 0; 57 } 58 59 int ia_css_crop_configure(const struct ia_css_binary *binary, 60 const struct ia_css_frame_info *info) 61 { 62 struct ia_css_crop_configuration config = default_config; 63 64 config.info = info; 65 66 return ia_css_configure_crop(binary, &config); 67 } 68