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 #include <ia_css_types.h> 21 #include <sh_css_defs.h> 22 #include <ia_css_debug.h> 23 24 #define IA_CSS_INCLUDE_CONFIGURATIONS 25 #include "ia_css_isp_configs.h" 26 #include "isp.h" 27 28 #include "ia_css_fpn.host.h" 29 30 void 31 ia_css_fpn_encode( 32 struct sh_css_isp_fpn_params *to, 33 const struct ia_css_fpn_table *from, 34 unsigned int size) 35 { 36 (void)size; 37 to->shift = from->shift; 38 to->enabled = from->data != NULL; 39 } 40 41 void 42 ia_css_fpn_dump( 43 const struct sh_css_isp_fpn_params *fpn, 44 unsigned int level) 45 { 46 if (!fpn) return; 47 ia_css_debug_dtrace(level, "Fixed Pattern Noise Reduction:\n"); 48 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 49 "fpn_shift", fpn->shift); 50 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 51 "fpn_enabled", fpn->enabled); 52 } 53 54 int ia_css_fpn_config(struct sh_css_isp_fpn_isp_config *to, 55 const struct ia_css_fpn_configuration *from, 56 unsigned int size) 57 { 58 unsigned int elems_a = ISP_VEC_NELEMS; 59 int ret; 60 61 ret = ia_css_dma_configure_from_info(&to->port_b, from->info); 62 if (ret) 63 return ret; 64 65 to->width_a_over_b = elems_a / to->port_b.elems; 66 67 /* Assume divisiblity here, may need to generalize to fixed point. */ 68 if (elems_a % to->port_b.elems != 0) 69 return -EINVAL; 70 71 return 0; 72 } 73 74 int ia_css_fpn_configure(const struct ia_css_binary *binary, 75 const struct ia_css_frame_info *info) 76 { 77 struct ia_css_frame_info my_info = IA_CSS_BINARY_DEFAULT_FRAME_INFO; 78 const struct ia_css_fpn_configuration config = { 79 &my_info 80 }; 81 82 my_info.res.width = CEIL_DIV(info->res.width, 2); /* Packed by 2x */ 83 my_info.res.height = info->res.height; 84 my_info.padded_width = CEIL_DIV(info->padded_width, 2); /* Packed by 2x */ 85 my_info.format = info->format; 86 my_info.raw_bit_depth = FPN_BITS_PER_PIXEL; 87 my_info.raw_bayer_order = info->raw_bayer_order; 88 my_info.crop_info = info->crop_info; 89 90 return ia_css_configure_fpn(binary, &config); 91 } 92