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 "ia_css_frame.h" 18 #include "sh_css_defs.h" 19 #include "ia_css_debug.h" 20 #include "sh_css_frac.h" 21 #include "assert_support.h" 22 #define IA_CSS_INCLUDE_CONFIGURATIONS 23 #include "ia_css_isp_configs.h" 24 #include "isp.h" 25 26 #include "ia_css_tnr.host.h" 27 const struct ia_css_tnr_config default_tnr_config = { 28 32768, 29 32, 30 32, 31 }; 32 33 void 34 ia_css_tnr_encode( 35 struct sh_css_isp_tnr_params *to, 36 const struct ia_css_tnr_config *from, 37 unsigned int size) 38 { 39 (void)size; 40 to->coef = 41 uDIGIT_FITTING(from->gain, 16, SH_CSS_TNR_COEF_SHIFT); 42 to->threshold_Y = 43 uDIGIT_FITTING(from->threshold_y, 16, SH_CSS_ISP_YUV_BITS); 44 to->threshold_C = 45 uDIGIT_FITTING(from->threshold_uv, 16, SH_CSS_ISP_YUV_BITS); 46 } 47 48 void 49 ia_css_tnr_dump( 50 const struct sh_css_isp_tnr_params *tnr, 51 unsigned int level) 52 { 53 if (!tnr) return; 54 ia_css_debug_dtrace(level, "Temporal Noise Reduction:\n"); 55 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 56 "tnr_coef", tnr->coef); 57 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 58 "tnr_threshold_Y", tnr->threshold_Y); 59 ia_css_debug_dtrace(level, "\t%-32s = %d\n", 60 "tnr_threshold_C", tnr->threshold_C); 61 } 62 63 void 64 ia_css_tnr_debug_dtrace( 65 const struct ia_css_tnr_config *config, 66 unsigned int level) 67 { 68 ia_css_debug_dtrace(level, 69 "config.gain=%d, config.threshold_y=%d, config.threshold_uv=%d\n", 70 config->gain, 71 config->threshold_y, config->threshold_uv); 72 } 73 74 int ia_css_tnr_config(struct sh_css_isp_tnr_isp_config *to, 75 const struct ia_css_tnr_configuration *from, 76 unsigned int size) 77 { 78 unsigned int elems_a = ISP_VEC_NELEMS; 79 unsigned int i; 80 int ret; 81 82 ret = ia_css_dma_configure_from_info(&to->port_b, &from->tnr_frames[0]->info); 83 if (ret) 84 return ret; 85 to->width_a_over_b = elems_a / to->port_b.elems; 86 to->frame_height = from->tnr_frames[0]->info.res.height; 87 for (i = 0; i < NUM_VIDEO_TNR_FRAMES; i++) { 88 to->tnr_frame_addr[i] = from->tnr_frames[i]->data + 89 from->tnr_frames[i]->planes.yuyv.offset; 90 } 91 92 /* Assume divisiblity here, may need to generalize to fixed point. */ 93 if (elems_a % to->port_b.elems != 0) 94 return -EINVAL; 95 96 return 0; 97 } 98 99 int ia_css_tnr_configure(const struct ia_css_binary *binary, 100 const struct ia_css_frame * const *frames) 101 { 102 struct ia_css_tnr_configuration config; 103 unsigned int i; 104 105 for (i = 0; i < NUM_VIDEO_TNR_FRAMES; i++) 106 config.tnr_frames[i] = frames[i]; 107 108 return ia_css_configure_tnr(binary, &config); 109 } 110 111 void 112 ia_css_init_tnr_state( 113 struct sh_css_isp_tnr_dmem_state *state, 114 size_t size) 115 { 116 (void)size; 117 118 assert(NUM_VIDEO_TNR_FRAMES >= 2); 119 assert(sizeof(*state) == size); 120 state->tnr_in_buf_idx = 0; 121 state->tnr_out_buf_idx = 1; 122 } 123