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 "ia_css_frame.h" 17 #include "ia_css_types.h" 18 #include "sh_css_defs.h" 19 #include "ia_css_debug.h" 20 #include "assert_support.h" 21 #define IA_CSS_INCLUDE_CONFIGURATIONS 22 #include "ia_css_isp_configs.h" 23 #include "isp.h" 24 25 #include "ia_css_qplane.host.h" 26 27 static const struct ia_css_qplane_configuration default_config = { 28 .pipe = (struct sh_css_sp_pipeline *)NULL, 29 }; 30 31 int ia_css_qplane_config(struct sh_css_isp_qplane_isp_config *to, 32 const struct ia_css_qplane_configuration *from, 33 unsigned int size) 34 { 35 unsigned int elems_a = ISP_VEC_NELEMS; 36 int ret; 37 38 ret = ia_css_dma_configure_from_info(&to->port_b, from->info); 39 if (ret) 40 return ret; 41 42 to->width_a_over_b = elems_a / to->port_b.elems; 43 44 /* Assume divisiblity here, may need to generalize to fixed point. */ 45 if (elems_a % to->port_b.elems != 0) 46 return -EINVAL; 47 48 to->inout_port_config = from->pipe->inout_port_config; 49 to->format = from->info->format; 50 51 return 0; 52 } 53 54 int ia_css_qplane_configure(const struct sh_css_sp_pipeline *pipe, 55 const struct ia_css_binary *binary, 56 const struct ia_css_frame_info *info) 57 { 58 struct ia_css_qplane_configuration config = default_config; 59 60 config.pipe = pipe; 61 config.info = info; 62 63 return ia_css_configure_qplane(binary, &config); 64 } 65