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 "sh_css_param_dvs.h" 17#include <assert_support.h> 18#include <type_support.h> 19#include <ia_css_err.h> 20#include <ia_css_types.h> 21#include "ia_css_debug.h" 22 23static struct ia_css_dvs_6axis_config * 24alloc_dvs_6axis_table(const struct ia_css_resolution *frame_res, 25 struct ia_css_dvs_6axis_config *dvs_config_src) 26{ 27 unsigned int width_y = 0; 28 unsigned int height_y = 0; 29 unsigned int width_uv = 0; 30 unsigned int height_uv = 0; 31 int err = 0; 32 struct ia_css_dvs_6axis_config *dvs_config = NULL; 33 34 dvs_config = kvmalloc(sizeof(struct ia_css_dvs_6axis_config), 35 GFP_KERNEL); 36 if (!dvs_config) { 37 IA_CSS_ERROR("out of memory"); 38 err = -ENOMEM; 39 } else { 40 /*Initialize new struct with latest config settings*/ 41 if (dvs_config_src) { 42 dvs_config->width_y = width_y = dvs_config_src->width_y; 43 dvs_config->height_y = height_y = dvs_config_src->height_y; 44 dvs_config->width_uv = width_uv = dvs_config_src->width_uv; 45 dvs_config->height_uv = height_uv = dvs_config_src->height_uv; 46 IA_CSS_LOG("alloc_dvs_6axis_table Y: W %d H %d", width_y, height_y); 47 } else if (frame_res) { 48 dvs_config->width_y = width_y = DVS_TABLE_IN_BLOCKDIM_X_LUMA(frame_res->width); 49 dvs_config->height_y = height_y = DVS_TABLE_IN_BLOCKDIM_Y_LUMA( 50 frame_res->height); 51 dvs_config->width_uv = width_uv = DVS_TABLE_IN_BLOCKDIM_X_CHROMA( 52 frame_res->width / 53 2); /* UV = Y/2, depens on colour format YUV 4.2.0*/ 54 dvs_config->height_uv = height_uv = DVS_TABLE_IN_BLOCKDIM_Y_CHROMA( 55 frame_res->height / 56 2);/* UV = Y/2, depens on colour format YUV 4.2.0*/ 57 IA_CSS_LOG("alloc_dvs_6axis_table Y: W %d H %d", width_y, height_y); 58 } 59 60 /* Generate Y buffers */ 61 dvs_config->xcoords_y = kvmalloc(width_y * height_y * sizeof(uint32_t), 62 GFP_KERNEL); 63 if (!dvs_config->xcoords_y) { 64 IA_CSS_ERROR("out of memory"); 65 err = -ENOMEM; 66 goto exit; 67 } 68 69 dvs_config->ycoords_y = kvmalloc(width_y * height_y * sizeof(uint32_t), 70 GFP_KERNEL); 71 if (!dvs_config->ycoords_y) { 72 IA_CSS_ERROR("out of memory"); 73 err = -ENOMEM; 74 goto exit; 75 } 76 77 /* Generate UV buffers */ 78 IA_CSS_LOG("UV W %d H %d", width_uv, height_uv); 79 80 dvs_config->xcoords_uv = kvmalloc(width_uv * height_uv * sizeof(uint32_t), 81 GFP_KERNEL); 82 if (!dvs_config->xcoords_uv) { 83 IA_CSS_ERROR("out of memory"); 84 err = -ENOMEM; 85 goto exit; 86 } 87 88 dvs_config->ycoords_uv = kvmalloc(width_uv * height_uv * sizeof(uint32_t), 89 GFP_KERNEL); 90 if (!dvs_config->ycoords_uv) { 91 IA_CSS_ERROR("out of memory"); 92 err = -ENOMEM; 93 } 94exit: 95 if (err) { 96 free_dvs_6axis_table( 97 &dvs_config); /* we might have allocated some memory, release this */ 98 dvs_config = NULL; 99 } 100 } 101 102 IA_CSS_LEAVE("dvs_config=%p", dvs_config); 103 return dvs_config; 104} 105 106static void 107init_dvs_6axis_table_from_default(struct ia_css_dvs_6axis_config *dvs_config, 108 const struct ia_css_resolution *dvs_offset) 109{ 110 unsigned int x, y; 111 unsigned int width_y = dvs_config->width_y; 112 unsigned int height_y = dvs_config->height_y; 113 unsigned int width_uv = dvs_config->width_uv; 114 unsigned int height_uv = dvs_config->height_uv; 115 116 IA_CSS_LOG("Env_X=%d, Env_Y=%d, width_y=%d, height_y=%d", 117 dvs_offset->width, dvs_offset->height, width_y, height_y); 118 for (y = 0; y < height_y; y++) { 119 for (x = 0; x < width_y; x++) { 120 dvs_config->xcoords_y[y * width_y + x] = (dvs_offset->width + x * 121 DVS_BLOCKDIM_X) << DVS_COORD_FRAC_BITS; 122 } 123 } 124 125 for (y = 0; y < height_y; y++) { 126 for (x = 0; x < width_y; x++) { 127 dvs_config->ycoords_y[y * width_y + x] = (dvs_offset->height + y * 128 DVS_BLOCKDIM_Y_LUMA) << DVS_COORD_FRAC_BITS; 129 } 130 } 131 132 for (y = 0; y < height_uv; y++) { 133 for (x = 0; x < width_uv; 134 x++) { /* Envelope dimensions set in Ypixels hence offset UV = offset Y/2 */ 135 dvs_config->xcoords_uv[y * width_uv + x] = ((dvs_offset->width / 2) + x * 136 DVS_BLOCKDIM_X) << DVS_COORD_FRAC_BITS; 137 } 138 } 139 140 for (y = 0; y < height_uv; y++) { 141 for (x = 0; x < width_uv; 142 x++) { /* Envelope dimensions set in Ypixels hence offset UV = offset Y/2 */ 143 dvs_config->ycoords_uv[y * width_uv + x] = ((dvs_offset->height / 2) + y * 144 DVS_BLOCKDIM_Y_CHROMA) << 145 DVS_COORD_FRAC_BITS; 146 } 147 } 148} 149 150static void 151init_dvs_6axis_table_from_config(struct ia_css_dvs_6axis_config *dvs_config, 152 struct ia_css_dvs_6axis_config *dvs_config_src) 153{ 154 unsigned int width_y = dvs_config->width_y; 155 unsigned int height_y = dvs_config->height_y; 156 unsigned int width_uv = dvs_config->width_uv; 157 unsigned int height_uv = dvs_config->height_uv; 158 159 memcpy(dvs_config->xcoords_y, dvs_config_src->xcoords_y, 160 (width_y * height_y * sizeof(uint32_t))); 161 memcpy(dvs_config->ycoords_y, dvs_config_src->ycoords_y, 162 (width_y * height_y * sizeof(uint32_t))); 163 memcpy(dvs_config->xcoords_uv, dvs_config_src->xcoords_uv, 164 (width_uv * height_uv * sizeof(uint32_t))); 165 memcpy(dvs_config->ycoords_uv, dvs_config_src->ycoords_uv, 166 (width_uv * height_uv * sizeof(uint32_t))); 167} 168 169struct ia_css_dvs_6axis_config * 170generate_dvs_6axis_table(const struct ia_css_resolution *frame_res, 171 const struct ia_css_resolution *dvs_offset) 172{ 173 struct ia_css_dvs_6axis_config *dvs_6axis_table; 174 175 assert(frame_res); 176 assert(dvs_offset); 177 178 dvs_6axis_table = alloc_dvs_6axis_table(frame_res, NULL); 179 if (dvs_6axis_table) { 180 init_dvs_6axis_table_from_default(dvs_6axis_table, dvs_offset); 181 return dvs_6axis_table; 182 } 183 return NULL; 184} 185 186struct ia_css_dvs_6axis_config * 187generate_dvs_6axis_table_from_config(struct ia_css_dvs_6axis_config 188 *dvs_config_src) 189{ 190 struct ia_css_dvs_6axis_config *dvs_6axis_table; 191 192 assert(dvs_config_src); 193 194 dvs_6axis_table = alloc_dvs_6axis_table(NULL, dvs_config_src); 195 if (dvs_6axis_table) { 196 init_dvs_6axis_table_from_config(dvs_6axis_table, dvs_config_src); 197 return dvs_6axis_table; 198 } 199 return NULL; 200} 201 202void 203free_dvs_6axis_table(struct ia_css_dvs_6axis_config **dvs_6axis_config) 204{ 205 if ((dvs_6axis_config) && (*dvs_6axis_config)) { 206 IA_CSS_ENTER_PRIVATE("dvs_6axis_config %p", (*dvs_6axis_config)); 207 if ((*dvs_6axis_config)->xcoords_y) { 208 kvfree((*dvs_6axis_config)->xcoords_y); 209 (*dvs_6axis_config)->xcoords_y = NULL; 210 } 211 212 if ((*dvs_6axis_config)->ycoords_y) { 213 kvfree((*dvs_6axis_config)->ycoords_y); 214 (*dvs_6axis_config)->ycoords_y = NULL; 215 } 216 217 /* Free up UV buffers */ 218 if ((*dvs_6axis_config)->xcoords_uv) { 219 kvfree((*dvs_6axis_config)->xcoords_uv); 220 (*dvs_6axis_config)->xcoords_uv = NULL; 221 } 222 223 if ((*dvs_6axis_config)->ycoords_uv) { 224 kvfree((*dvs_6axis_config)->ycoords_uv); 225 (*dvs_6axis_config)->ycoords_uv = NULL; 226 } 227 228 IA_CSS_LEAVE_PRIVATE("dvs_6axis_config %p", (*dvs_6axis_config)); 229 kvfree(*dvs_6axis_config); 230 *dvs_6axis_config = NULL; 231 } 232} 233 234void copy_dvs_6axis_table(struct ia_css_dvs_6axis_config *dvs_config_dst, 235 const struct ia_css_dvs_6axis_config *dvs_config_src) 236{ 237 unsigned int width_y; 238 unsigned int height_y; 239 unsigned int width_uv; 240 unsigned int height_uv; 241 242 assert(dvs_config_src); 243 assert(dvs_config_dst); 244 assert(dvs_config_src->xcoords_y); 245 assert(dvs_config_src->xcoords_uv); 246 assert(dvs_config_src->ycoords_y); 247 assert(dvs_config_src->ycoords_uv); 248 assert(dvs_config_src->width_y == dvs_config_dst->width_y); 249 assert(dvs_config_src->width_uv == dvs_config_dst->width_uv); 250 assert(dvs_config_src->height_y == dvs_config_dst->height_y); 251 assert(dvs_config_src->height_uv == dvs_config_dst->height_uv); 252 253 width_y = dvs_config_src->width_y; 254 height_y = dvs_config_src->height_y; 255 width_uv = 256 dvs_config_src->width_uv; /* = Y/2, depens on colour format YUV 4.2.0*/ 257 height_uv = dvs_config_src->height_uv; 258 259 memcpy(dvs_config_dst->xcoords_y, dvs_config_src->xcoords_y, 260 (width_y * height_y * sizeof(uint32_t))); 261 memcpy(dvs_config_dst->ycoords_y, dvs_config_src->ycoords_y, 262 (width_y * height_y * sizeof(uint32_t))); 263 264 memcpy(dvs_config_dst->xcoords_uv, dvs_config_src->xcoords_uv, 265 (width_uv * height_uv * sizeof(uint32_t))); 266 memcpy(dvs_config_dst->ycoords_uv, dvs_config_src->ycoords_uv, 267 (width_uv * height_uv * sizeof(uint32_t))); 268} 269 270void 271ia_css_dvs_statistics_get(enum dvs_statistics_type type, 272 union ia_css_dvs_statistics_host *host_stats, 273 const union ia_css_dvs_statistics_isp *isp_stats) 274{ 275 if (type == DVS_STATISTICS) { 276 ia_css_get_dvs_statistics(host_stats->p_dvs_statistics_host, 277 isp_stats->p_dvs_statistics_isp); 278 } else if (type == DVS2_STATISTICS) { 279 ia_css_get_dvs2_statistics(host_stats->p_dvs2_statistics_host, 280 isp_stats->p_dvs_statistics_isp); 281 } 282 return; 283} 284