1 /* 2 * Support for Intel Camera Imaging ISP subsystem. 3 * Copyright (c) 2015, Intel Corporation. 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms and conditions of the GNU General Public License, 7 * version 2, as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 */ 14 15 #ifndef __IA_CSS_VF_HOST_H 16 #define __IA_CSS_VF_HOST_H 17 18 #include "ia_css_frame_public.h" 19 #include "ia_css_binary.h" 20 21 #include "ia_css_vf_types.h" 22 #include "ia_css_vf_param.h" 23 24 /* compute the log2 of the downscale factor needed to get closest 25 * to the requested viewfinder resolution on the upper side. The output cannot 26 * be smaller than the requested viewfinder resolution. 27 */ 28 int 29 sh_css_vf_downscale_log2( 30 const struct ia_css_frame_info *out_info, 31 const struct ia_css_frame_info *vf_info, 32 unsigned int *downscale_log2); 33 34 void 35 ia_css_vf_config( 36 struct sh_css_isp_vf_isp_config *to, 37 const struct ia_css_vf_configuration *from, 38 unsigned int size); 39 40 int 41 ia_css_vf_configure( 42 const struct ia_css_binary *binary, 43 const struct ia_css_frame_info *out_info, 44 struct ia_css_frame_info *vf_info, 45 unsigned int *downscale_log2); 46 47 #endif /* __IA_CSS_VF_HOST_H */ 48