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 __IA_CSS_VF_HOST_H 17 #define __IA_CSS_VF_HOST_H 18 19 #include "ia_css_frame_public.h" 20 #include "ia_css_binary.h" 21 22 #include "ia_css_vf_types.h" 23 #include "ia_css_vf_param.h" 24 25 /* compute the log2 of the downscale factor needed to get closest 26 * to the requested viewfinder resolution on the upper side. The output cannot 27 * be smaller than the requested viewfinder resolution. 28 */ 29 int 30 sh_css_vf_downscale_log2( 31 const struct ia_css_frame_info *out_info, 32 const struct ia_css_frame_info *vf_info, 33 unsigned int *downscale_log2); 34 35 int ia_css_vf_config(struct sh_css_isp_vf_isp_config *to, 36 const struct ia_css_vf_configuration *from, 37 unsigned int size); 38 39 int 40 ia_css_vf_configure( 41 const struct ia_css_binary *binary, 42 const struct ia_css_frame_info *out_info, 43 struct ia_css_frame_info *vf_info, 44 unsigned int *downscale_log2); 45 46 #endif /* __IA_CSS_VF_HOST_H */ 47