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_types.h" 17 #include "sh_css_defs.h" 18 #ifndef IA_CSS_NO_DEBUG 19 #include "ia_css_debug.h" 20 #endif 21 #include "sh_css_frac.h" 22 23 #include "ia_css_wb.host.h" 24 25 const struct ia_css_wb_config default_wb_config = { 26 1, 27 32768, 28 32768, 29 32768, 30 32768 31 }; 32 33 void 34 ia_css_wb_encode( 35 struct sh_css_isp_wb_params *to, 36 const struct ia_css_wb_config *from, 37 unsigned int size) 38 { 39 (void)size; 40 to->gain_shift = 41 uISP_REG_BIT - from->integer_bits; 42 to->gain_gr = 43 uDIGIT_FITTING(from->gr, 16 - from->integer_bits, 44 to->gain_shift); 45 to->gain_r = 46 uDIGIT_FITTING(from->r, 16 - from->integer_bits, 47 to->gain_shift); 48 to->gain_b = 49 uDIGIT_FITTING(from->b, 16 - from->integer_bits, 50 to->gain_shift); 51 to->gain_gb = 52 uDIGIT_FITTING(from->gb, 16 - from->integer_bits, 53 to->gain_shift); 54 } 55 56 #ifndef IA_CSS_NO_DEBUG 57 void 58 ia_css_wb_dump( 59 const struct sh_css_isp_wb_params *wb, 60 unsigned int level) 61 { 62 if (!wb) return; 63 ia_css_debug_dtrace(level, "White Balance:\n"); 64 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 65 "wb_gain_shift", wb->gain_shift); 66 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 67 "wb_gain_gr", wb->gain_gr); 68 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 69 "wb_gain_r", wb->gain_r); 70 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 71 "wb_gain_b", wb->gain_b); 72 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 73 "wb_gain_gb", wb->gain_gb); 74 } 75 76 void 77 ia_css_wb_debug_dtrace( 78 const struct ia_css_wb_config *config, 79 unsigned int level) 80 { 81 ia_css_debug_dtrace(level, 82 "config.integer_bits=%d, config.gr=%d, config.r=%d, config.b=%d, config.gb=%d\n", 83 config->integer_bits, 84 config->gr, config->r, 85 config->b, config->gb); 86 } 87 #endif 88