1// SPDX-License-Identifier: GPL-2.0-only 2// 3// aw88395_lib.c -- ACF bin parsing and check library file for aw88395 4// 5// Copyright (c) 2022-2023 AWINIC Technology CO., LTD 6// 7// Author: Bruce zhao <zhaolei@awinic.com> 8// 9 10#include <linux/crc8.h> 11#include <linux/i2c.h> 12#include "aw88395_lib.h" 13#include "aw88395_device.h" 14 15#define AW88395_CRC8_POLYNOMIAL 0x8C 16DECLARE_CRC8_TABLE(aw_crc8_table); 17 18static char *profile_name[AW88395_PROFILE_MAX] = { 19 "Music", "Voice", "Voip", "Ringtone", 20 "Ringtone_hs", "Lowpower", "Bypass", 21 "Mmi", "Fm", "Notification", "Receiver" 22}; 23 24static int aw_parse_bin_header(struct aw_device *aw_dev, struct aw_bin *bin); 25 26static int aw_check_sum(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 27{ 28 unsigned char *p_check_sum; 29 unsigned int sum_data = 0; 30 unsigned int check_sum; 31 unsigned int i, len; 32 33 p_check_sum = &(bin->info.data[(bin->header_info[bin_num].valid_data_addr - 34 bin->header_info[bin_num].header_len)]); 35 len = bin->header_info[bin_num].bin_data_len + bin->header_info[bin_num].header_len; 36 check_sum = le32_to_cpup((void *)p_check_sum); 37 38 for (i = 4; i < len; i++) 39 sum_data += *(p_check_sum + i); 40 41 dev_dbg(aw_dev->dev, "%s -- check_sum = %p, check_sum = 0x%x, sum_data = 0x%x", 42 __func__, p_check_sum, check_sum, sum_data); 43 if (sum_data != check_sum) { 44 dev_err(aw_dev->dev, "%s. CheckSum Fail.bin_num=%d, CheckSum:0x%x, SumData:0x%x", 45 __func__, bin_num, check_sum, sum_data); 46 return -EINVAL; 47 } 48 49 return 0; 50} 51 52static int aw_check_data_version(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 53{ 54 if (bin->header_info[bin_num].bin_data_ver < DATA_VERSION_V1 || 55 bin->header_info[bin_num].bin_data_ver > DATA_VERSION_MAX) { 56 dev_err(aw_dev->dev, "aw_bin_parse Unrecognized this bin data version\n"); 57 return -EINVAL; 58 } 59 60 return 0; 61} 62 63static int aw_check_register_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 64{ 65 struct bin_header_info temp_info = bin->header_info[bin_num]; 66 unsigned int check_register_num, parse_register_num; 67 unsigned char *p_check_sum; 68 69 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]); 70 71 parse_register_num = le32_to_cpup((void *)p_check_sum); 72 check_register_num = (bin->header_info[bin_num].bin_data_len - CHECK_REGISTER_NUM_OFFSET) / 73 (bin->header_info[bin_num].reg_byte_len + 74 bin->header_info[bin_num].data_byte_len); 75 dev_dbg(aw_dev->dev, "%s,parse_register_num = 0x%x,check_register_num = 0x%x\n", 76 __func__, parse_register_num, check_register_num); 77 if (parse_register_num != check_register_num) { 78 dev_err(aw_dev->dev, "%s parse_register_num = 0x%x,check_register_num = 0x%x\n", 79 __func__, parse_register_num, check_register_num); 80 return -EINVAL; 81 } 82 83 bin->header_info[bin_num].reg_num = parse_register_num; 84 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - VALID_DATA_LEN; 85 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr + VALID_DATA_ADDR; 86 87 return 0; 88} 89 90static int aw_check_dsp_reg_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 91{ 92 struct bin_header_info temp_info = bin->header_info[bin_num]; 93 unsigned int check_dsp_reg_num, parse_dsp_reg_num; 94 unsigned char *p_check_sum; 95 96 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]); 97 98 parse_dsp_reg_num = le32_to_cpup((void *)(p_check_sum + PARSE_DSP_REG_NUM)); 99 bin->header_info[bin_num].reg_data_byte_len = 100 le32_to_cpup((void *)(p_check_sum + REG_DATA_BYTP_LEN)); 101 check_dsp_reg_num = (bin->header_info[bin_num].bin_data_len - CHECK_DSP_REG_NUM) / 102 bin->header_info[bin_num].reg_data_byte_len; 103 dev_dbg(aw_dev->dev, "%s bin_num = %d, parse_dsp_reg_num = 0x%x, check_dsp_reg_num = 0x%x", 104 __func__, bin_num, check_dsp_reg_num, check_dsp_reg_num); 105 if (parse_dsp_reg_num != check_dsp_reg_num) { 106 dev_err(aw_dev->dev, "aw_bin_parse check dsp reg num error\n"); 107 dev_err(aw_dev->dev, "%s parse_dsp_reg_num = 0x%x, check_dsp_reg_num = 0x%x", 108 __func__, check_dsp_reg_num, check_dsp_reg_num); 109 return -EINVAL; 110 } 111 112 bin->header_info[bin_num].download_addr = le32_to_cpup((void *)p_check_sum); 113 bin->header_info[bin_num].reg_num = parse_dsp_reg_num; 114 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - DSP_VALID_DATA_LEN; 115 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr + 116 DSP_VALID_DATA_ADDR; 117 118 return 0; 119} 120 121static int aw_check_soc_app_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 122{ 123 struct bin_header_info temp_info = bin->header_info[bin_num]; 124 unsigned int check_soc_app_num, parse_soc_app_num; 125 unsigned char *p_check_sum; 126 127 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]); 128 129 bin->header_info[bin_num].app_version = le32_to_cpup((void *)p_check_sum); 130 parse_soc_app_num = le32_to_cpup((void *)(p_check_sum + PARSE_SOC_APP_NUM)); 131 check_soc_app_num = bin->header_info[bin_num].bin_data_len - CHECK_SOC_APP_NUM; 132 dev_dbg(aw_dev->dev, "%s bin_num = %d, parse_soc_app_num=0x%x, check_soc_app_num = 0x%x\n", 133 __func__, bin_num, parse_soc_app_num, check_soc_app_num); 134 if (parse_soc_app_num != check_soc_app_num) { 135 dev_err(aw_dev->dev, "%s parse_soc_app_num=0x%x, check_soc_app_num = 0x%x\n", 136 __func__, parse_soc_app_num, check_soc_app_num); 137 return -EINVAL; 138 } 139 140 bin->header_info[bin_num].reg_num = parse_soc_app_num; 141 bin->header_info[bin_num].download_addr = le32_to_cpup((void *)(p_check_sum + 142 APP_DOWNLOAD_ADDR)); 143 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - APP_VALID_DATA_LEN; 144 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr + 145 APP_VALID_DATA_ADDR; 146 147 return 0; 148} 149 150static void aw_get_single_bin_header(struct aw_bin *bin) 151{ 152 memcpy((void *)&bin->header_info[bin->all_bin_parse_num], bin->p_addr, DATA_LEN); 153 154 bin->header_info[bin->all_bin_parse_num].header_len = HEADER_LEN; 155 bin->all_bin_parse_num += 1; 156} 157 158static int aw_parse_one_of_multi_bins(struct aw_device *aw_dev, unsigned int bin_num, 159 int bin_serial_num, struct aw_bin *bin) 160{ 161 struct bin_header_info aw_bin_header_info; 162 unsigned int bin_start_addr; 163 unsigned int valid_data_len; 164 165 if (bin->info.len < sizeof(struct bin_header_info)) { 166 dev_err(aw_dev->dev, "bin_header_info size[%d] overflow file size[%d]\n", 167 (int)sizeof(struct bin_header_info), bin->info.len); 168 return -EINVAL; 169 } 170 171 aw_bin_header_info = bin->header_info[bin->all_bin_parse_num - 1]; 172 if (!bin_serial_num) { 173 bin_start_addr = le32_to_cpup((void *)(bin->p_addr + START_ADDR_OFFSET)); 174 bin->p_addr += (HEADER_LEN + bin_start_addr); 175 bin->header_info[bin->all_bin_parse_num].valid_data_addr = 176 aw_bin_header_info.valid_data_addr + VALID_DATA_ADDR + 8 * bin_num + 177 VALID_DATA_ADDR_OFFSET; 178 } else { 179 valid_data_len = aw_bin_header_info.bin_data_len; 180 bin->p_addr += (HDADER_LEN + valid_data_len); 181 bin->header_info[bin->all_bin_parse_num].valid_data_addr = 182 aw_bin_header_info.valid_data_addr + aw_bin_header_info.bin_data_len + 183 VALID_DATA_ADDR_OFFSET; 184 } 185 186 return aw_parse_bin_header(aw_dev, bin); 187} 188 189static int aw_get_multi_bin_header(struct aw_device *aw_dev, struct aw_bin *bin) 190{ 191 unsigned int bin_num, i; 192 int ret; 193 194 bin_num = le32_to_cpup((void *)(bin->p_addr + VALID_DATA_ADDR_OFFSET)); 195 if (bin->multi_bin_parse_num == 1) 196 bin->header_info[bin->all_bin_parse_num].valid_data_addr = 197 VALID_DATA_ADDR_OFFSET; 198 199 aw_get_single_bin_header(bin); 200 201 for (i = 0; i < bin_num; i++) { 202 dev_dbg(aw_dev->dev, "aw_bin_parse enter multi bin for is %d\n", i); 203 ret = aw_parse_one_of_multi_bins(aw_dev, bin_num, i, bin); 204 if (ret < 0) 205 return ret; 206 } 207 208 return 0; 209} 210 211static int aw_parse_bin_header(struct aw_device *aw_dev, struct aw_bin *bin) 212{ 213 unsigned int bin_data_type; 214 215 if (bin->info.len < sizeof(struct bin_header_info)) { 216 dev_err(aw_dev->dev, "bin_header_info size[%d] overflow file size[%d]\n", 217 (int)sizeof(struct bin_header_info), bin->info.len); 218 return -EINVAL; 219 } 220 221 bin_data_type = le32_to_cpup((void *)(bin->p_addr + BIN_DATA_TYPE_OFFSET)); 222 dev_dbg(aw_dev->dev, "aw_bin_parse bin_data_type 0x%x\n", bin_data_type); 223 switch (bin_data_type) { 224 case DATA_TYPE_REGISTER: 225 case DATA_TYPE_DSP_REG: 226 case DATA_TYPE_SOC_APP: 227 bin->single_bin_parse_num += 1; 228 dev_dbg(aw_dev->dev, "%s bin->single_bin_parse_num is %d\n", __func__, 229 bin->single_bin_parse_num); 230 if (!bin->multi_bin_parse_num) 231 bin->header_info[bin->all_bin_parse_num].valid_data_addr = 232 VALID_DATA_ADDR_OFFSET; 233 aw_get_single_bin_header(bin); 234 return 0; 235 case DATA_TYPE_MULTI_BINS: 236 bin->multi_bin_parse_num += 1; 237 dev_dbg(aw_dev->dev, "%s bin->multi_bin_parse_num is %d\n", __func__, 238 bin->multi_bin_parse_num); 239 return aw_get_multi_bin_header(aw_dev, bin); 240 default: 241 dev_dbg(aw_dev->dev, "%s There is no corresponding type\n", __func__); 242 return 0; 243 } 244} 245 246static int aw_check_bin_header_version(struct aw_device *aw_dev, struct aw_bin *bin) 247{ 248 unsigned int header_version; 249 250 header_version = le32_to_cpup((void *)(bin->p_addr + HEADER_VERSION_OFFSET)); 251 dev_dbg(aw_dev->dev, "aw_bin_parse header_version 0x%x\n", header_version); 252 253 switch (header_version) { 254 case HEADER_VERSION_V1: 255 return aw_parse_bin_header(aw_dev, bin); 256 default: 257 dev_err(aw_dev->dev, "aw_bin_parse Unrecognized this bin header version\n"); 258 return -EINVAL; 259 } 260} 261 262static int aw_parsing_bin_file(struct aw_device *aw_dev, struct aw_bin *bin) 263{ 264 int ret = -EINVAL; 265 int i; 266 267 if (!bin) { 268 dev_err(aw_dev->dev, "aw_bin_parse bin is NULL\n"); 269 return ret; 270 } 271 bin->p_addr = bin->info.data; 272 bin->all_bin_parse_num = 0; 273 bin->multi_bin_parse_num = 0; 274 bin->single_bin_parse_num = 0; 275 276 ret = aw_check_bin_header_version(aw_dev, bin); 277 if (ret < 0) { 278 dev_err(aw_dev->dev, "aw_bin_parse check bin header version error\n"); 279 return ret; 280 } 281 282 for (i = 0; i < bin->all_bin_parse_num; i++) { 283 ret = aw_check_sum(aw_dev, bin, i); 284 if (ret < 0) { 285 dev_err(aw_dev->dev, "aw_bin_parse check sum data error\n"); 286 return ret; 287 } 288 ret = aw_check_data_version(aw_dev, bin, i); 289 if (ret < 0) { 290 dev_err(aw_dev->dev, "aw_bin_parse check data version error\n"); 291 return ret; 292 } 293 if (bin->header_info[i].bin_data_ver == DATA_VERSION_V1) { 294 switch (bin->header_info[i].bin_data_type) { 295 case DATA_TYPE_REGISTER: 296 ret = aw_check_register_num(aw_dev, bin, i); 297 break; 298 case DATA_TYPE_DSP_REG: 299 ret = aw_check_dsp_reg_num(aw_dev, bin, i); 300 break; 301 case DATA_TYPE_SOC_APP: 302 ret = aw_check_soc_app_num(aw_dev, bin, i); 303 break; 304 default: 305 bin->header_info[i].valid_data_len = 306 bin->header_info[i].bin_data_len; 307 ret = 0; 308 break; 309 } 310 if (ret < 0) 311 return ret; 312 } 313 } 314 315 return 0; 316} 317 318static int aw_dev_parse_raw_reg(unsigned char *data, unsigned int data_len, 319 struct aw_prof_desc *prof_desc) 320{ 321 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data = data; 322 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len = data_len; 323 324 prof_desc->prof_st = AW88395_PROFILE_OK; 325 326 return 0; 327} 328 329static int aw_dev_parse_raw_dsp_cfg(unsigned char *data, unsigned int data_len, 330 struct aw_prof_desc *prof_desc) 331{ 332 if (data_len & 0x01) 333 return -EINVAL; 334 335 swab16_array((u16 *)data, data_len >> 1); 336 337 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].data = data; 338 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].len = data_len; 339 340 prof_desc->prof_st = AW88395_PROFILE_OK; 341 342 return 0; 343} 344 345static int aw_dev_parse_raw_dsp_fw(unsigned char *data, unsigned int data_len, 346 struct aw_prof_desc *prof_desc) 347{ 348 if (data_len & 0x01) 349 return -EINVAL; 350 351 swab16_array((u16 *)data, data_len >> 1); 352 353 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].data = data; 354 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].len = data_len; 355 356 prof_desc->prof_st = AW88395_PROFILE_OK; 357 358 return 0; 359} 360 361static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *data, 362 unsigned int data_len, struct aw_prof_desc *prof_desc) 363{ 364 struct aw_bin *aw_bin; 365 int ret; 366 int i; 367 368 aw_bin = devm_kzalloc(aw_dev->dev, data_len + sizeof(struct aw_bin), GFP_KERNEL); 369 if (!aw_bin) 370 return -ENOMEM; 371 372 aw_bin->info.len = data_len; 373 memcpy(aw_bin->info.data, data, data_len); 374 375 ret = aw_parsing_bin_file(aw_dev, aw_bin); 376 if (ret < 0) { 377 dev_err(aw_dev->dev, "parse bin failed"); 378 goto parse_bin_failed; 379 } 380 381 for (i = 0; i < aw_bin->all_bin_parse_num; i++) { 382 switch (aw_bin->header_info[i].bin_data_type) { 383 case DATA_TYPE_REGISTER: 384 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len = 385 aw_bin->header_info[i].valid_data_len; 386 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data = 387 data + aw_bin->header_info[i].valid_data_addr; 388 break; 389 case DATA_TYPE_DSP_REG: 390 if (aw_bin->header_info[i].valid_data_len & 0x01) { 391 ret = -EINVAL; 392 goto parse_bin_failed; 393 } 394 395 swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr), 396 aw_bin->header_info[i].valid_data_len >> 1); 397 398 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].len = 399 aw_bin->header_info[i].valid_data_len; 400 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].data = 401 data + aw_bin->header_info[i].valid_data_addr; 402 break; 403 case DATA_TYPE_DSP_FW: 404 case DATA_TYPE_SOC_APP: 405 if (aw_bin->header_info[i].valid_data_len & 0x01) { 406 ret = -EINVAL; 407 goto parse_bin_failed; 408 } 409 410 swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr), 411 aw_bin->header_info[i].valid_data_len >> 1); 412 413 prof_desc->fw_ver = aw_bin->header_info[i].app_version; 414 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].len = 415 aw_bin->header_info[i].valid_data_len; 416 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].data = 417 data + aw_bin->header_info[i].valid_data_addr; 418 break; 419 default: 420 dev_dbg(aw_dev->dev, "bin_data_type not found"); 421 break; 422 } 423 } 424 prof_desc->prof_st = AW88395_PROFILE_OK; 425 ret = 0; 426 427parse_bin_failed: 428 devm_kfree(aw_dev->dev, aw_bin); 429 return ret; 430} 431 432static int aw_dev_parse_reg_bin_with_hdr(struct aw_device *aw_dev, 433 uint8_t *data, uint32_t data_len, struct aw_prof_desc *prof_desc) 434{ 435 struct aw_bin *aw_bin; 436 int ret; 437 438 aw_bin = devm_kzalloc(aw_dev->dev, data_len + sizeof(*aw_bin), GFP_KERNEL); 439 if (!aw_bin) 440 return -ENOMEM; 441 442 aw_bin->info.len = data_len; 443 memcpy(aw_bin->info.data, data, data_len); 444 445 ret = aw_parsing_bin_file(aw_dev, aw_bin); 446 if (ret < 0) { 447 dev_err(aw_dev->dev, "parse bin failed"); 448 goto parse_bin_failed; 449 } 450 451 if ((aw_bin->all_bin_parse_num != 1) || 452 (aw_bin->header_info[0].bin_data_type != DATA_TYPE_REGISTER)) { 453 dev_err(aw_dev->dev, "bin num or type error"); 454 ret = -EINVAL; 455 goto parse_bin_failed; 456 } 457 458 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data = 459 data + aw_bin->header_info[0].valid_data_addr; 460 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len = 461 aw_bin->header_info[0].valid_data_len; 462 prof_desc->prof_st = AW88395_PROFILE_OK; 463 464 devm_kfree(aw_dev->dev, aw_bin); 465 aw_bin = NULL; 466 467 return 0; 468 469parse_bin_failed: 470 devm_kfree(aw_dev->dev, aw_bin); 471 aw_bin = NULL; 472 return ret; 473} 474 475static int aw_dev_parse_data_by_sec_type(struct aw_device *aw_dev, struct aw_cfg_hdr *cfg_hdr, 476 struct aw_cfg_dde *cfg_dde, struct aw_prof_desc *scene_prof_desc) 477{ 478 switch (cfg_dde->data_type) { 479 case ACF_SEC_TYPE_REG: 480 return aw_dev_parse_raw_reg((u8 *)cfg_hdr + cfg_dde->data_offset, 481 cfg_dde->data_size, scene_prof_desc); 482 case ACF_SEC_TYPE_DSP_CFG: 483 return aw_dev_parse_raw_dsp_cfg((u8 *)cfg_hdr + cfg_dde->data_offset, 484 cfg_dde->data_size, scene_prof_desc); 485 case ACF_SEC_TYPE_DSP_FW: 486 return aw_dev_parse_raw_dsp_fw( 487 (u8 *)cfg_hdr + cfg_dde->data_offset, 488 cfg_dde->data_size, scene_prof_desc); 489 case ACF_SEC_TYPE_MULTIPLE_BIN: 490 return aw_dev_prof_parse_multi_bin( 491 aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset, 492 cfg_dde->data_size, scene_prof_desc); 493 case ACF_SEC_TYPE_HDR_REG: 494 return aw_dev_parse_reg_bin_with_hdr(aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset, 495 cfg_dde->data_size, scene_prof_desc); 496 default: 497 dev_err(aw_dev->dev, "%s cfg_dde->data_type = %d\n", __func__, cfg_dde->data_type); 498 break; 499 } 500 501 return 0; 502} 503 504static int aw_dev_parse_dev_type(struct aw_device *aw_dev, 505 struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info) 506{ 507 struct aw_cfg_dde *cfg_dde = 508 (struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset); 509 int sec_num = 0; 510 int ret, i; 511 512 for (i = 0; i < prof_hdr->ddt_num; i++) { 513 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) && 514 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) && 515 (cfg_dde[i].type == AW88395_DEV_TYPE_ID) && 516 (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) { 517 if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) { 518 dev_err(aw_dev->dev, "dev_profile [%d] overflow", 519 cfg_dde[i].dev_profile); 520 return -EINVAL; 521 } 522 aw_dev->prof_data_type = cfg_dde[i].data_type; 523 ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i], 524 &all_prof_info->prof_desc[cfg_dde[i].dev_profile]); 525 if (ret < 0) { 526 dev_err(aw_dev->dev, "parse failed"); 527 return ret; 528 } 529 sec_num++; 530 } 531 } 532 533 if (sec_num == 0) { 534 dev_dbg(aw_dev->dev, "get dev type num is %d, please use default", sec_num); 535 return AW88395_DEV_TYPE_NONE; 536 } 537 538 return AW88395_DEV_TYPE_OK; 539} 540 541static int aw_dev_parse_dev_default_type(struct aw_device *aw_dev, 542 struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info) 543{ 544 struct aw_cfg_dde *cfg_dde = 545 (struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset); 546 int sec_num = 0; 547 int ret, i; 548 549 for (i = 0; i < prof_hdr->ddt_num; i++) { 550 if ((aw_dev->channel == cfg_dde[i].dev_index) && 551 (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID) && 552 (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) { 553 if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) { 554 dev_err(aw_dev->dev, "dev_profile [%d] overflow", 555 cfg_dde[i].dev_profile); 556 return -EINVAL; 557 } 558 aw_dev->prof_data_type = cfg_dde[i].data_type; 559 ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i], 560 &all_prof_info->prof_desc[cfg_dde[i].dev_profile]); 561 if (ret < 0) { 562 dev_err(aw_dev->dev, "parse failed"); 563 return ret; 564 } 565 sec_num++; 566 } 567 } 568 569 if (sec_num == 0) { 570 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", sec_num); 571 return -EINVAL; 572 } 573 574 return 0; 575} 576 577static int aw_dev_cfg_get_reg_valid_prof(struct aw_device *aw_dev, 578 struct aw_all_prof_info *all_prof_info) 579{ 580 struct aw_prof_desc *prof_desc = all_prof_info->prof_desc; 581 struct aw_prof_info *prof_info = &aw_dev->prof_info; 582 int num = 0; 583 int i; 584 585 for (i = 0; i < AW88395_PROFILE_MAX; i++) { 586 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) 587 prof_info->count++; 588 } 589 590 dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count); 591 592 if (!prof_info->count) { 593 dev_err(aw_dev->dev, "no profile data"); 594 return -EPERM; 595 } 596 597 prof_info->prof_desc = devm_kcalloc(aw_dev->dev, 598 prof_info->count, sizeof(struct aw_prof_desc), 599 GFP_KERNEL); 600 if (!prof_info->prof_desc) 601 return -ENOMEM; 602 603 for (i = 0; i < AW88395_PROFILE_MAX; i++) { 604 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) { 605 if (num >= prof_info->count) { 606 dev_err(aw_dev->dev, "overflow count[%d]", 607 prof_info->count); 608 return -EINVAL; 609 } 610 prof_info->prof_desc[num] = prof_desc[i]; 611 prof_info->prof_desc[num].id = i; 612 num++; 613 } 614 } 615 616 return 0; 617} 618 619static int aw_dev_cfg_get_multiple_valid_prof(struct aw_device *aw_dev, 620 struct aw_all_prof_info *all_prof_info) 621{ 622 struct aw_prof_desc *prof_desc = all_prof_info->prof_desc; 623 struct aw_prof_info *prof_info = &aw_dev->prof_info; 624 struct aw_sec_data_desc *sec_desc; 625 int num = 0; 626 int i; 627 628 for (i = 0; i < AW88395_PROFILE_MAX; i++) { 629 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) { 630 sec_desc = prof_desc[i].sec_desc; 631 if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) && 632 (sec_desc[AW88395_DATA_TYPE_REG].len != 0) && 633 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) && 634 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) && 635 (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) && 636 (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0)) 637 prof_info->count++; 638 } 639 } 640 641 dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count); 642 643 if (!prof_info->count) { 644 dev_err(aw_dev->dev, "no profile data"); 645 return -EPERM; 646 } 647 648 prof_info->prof_desc = devm_kcalloc(aw_dev->dev, 649 prof_info->count, sizeof(struct aw_prof_desc), 650 GFP_KERNEL); 651 if (!prof_info->prof_desc) 652 return -ENOMEM; 653 654 for (i = 0; i < AW88395_PROFILE_MAX; i++) { 655 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) { 656 sec_desc = prof_desc[i].sec_desc; 657 if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) && 658 (sec_desc[AW88395_DATA_TYPE_REG].len != 0) && 659 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) && 660 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) && 661 (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) && 662 (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0)) { 663 if (num >= prof_info->count) { 664 dev_err(aw_dev->dev, "overflow count[%d]", 665 prof_info->count); 666 return -EINVAL; 667 } 668 prof_info->prof_desc[num] = prof_desc[i]; 669 prof_info->prof_desc[num].id = i; 670 num++; 671 } 672 } 673 } 674 675 return 0; 676} 677 678static int aw_dev_load_cfg_by_hdr(struct aw_device *aw_dev, 679 struct aw_cfg_hdr *prof_hdr) 680{ 681 struct aw_all_prof_info *all_prof_info; 682 int ret; 683 684 all_prof_info = devm_kzalloc(aw_dev->dev, sizeof(struct aw_all_prof_info), GFP_KERNEL); 685 if (!all_prof_info) 686 return -ENOMEM; 687 688 ret = aw_dev_parse_dev_type(aw_dev, prof_hdr, all_prof_info); 689 if (ret < 0) { 690 goto exit; 691 } else if (ret == AW88395_DEV_TYPE_NONE) { 692 dev_dbg(aw_dev->dev, "get dev type num is 0, parse default dev"); 693 ret = aw_dev_parse_dev_default_type(aw_dev, prof_hdr, all_prof_info); 694 if (ret < 0) 695 goto exit; 696 } 697 698 switch (aw_dev->prof_data_type) { 699 case ACF_SEC_TYPE_MULTIPLE_BIN: 700 ret = aw_dev_cfg_get_multiple_valid_prof(aw_dev, all_prof_info); 701 break; 702 case ACF_SEC_TYPE_HDR_REG: 703 ret = aw_dev_cfg_get_reg_valid_prof(aw_dev, all_prof_info); 704 break; 705 default: 706 dev_err(aw_dev->dev, "unsupport data type\n"); 707 ret = -EINVAL; 708 break; 709 } 710 if (!ret) 711 aw_dev->prof_info.prof_name_list = profile_name; 712 713exit: 714 devm_kfree(aw_dev->dev, all_prof_info); 715 return ret; 716} 717 718static int aw_dev_create_prof_name_list_v1(struct aw_device *aw_dev) 719{ 720 struct aw_prof_info *prof_info = &aw_dev->prof_info; 721 struct aw_prof_desc *prof_desc = prof_info->prof_desc; 722 int i; 723 724 if (!prof_desc) { 725 dev_err(aw_dev->dev, "prof_desc is NULL"); 726 return -EINVAL; 727 } 728 729 prof_info->prof_name_list = devm_kzalloc(aw_dev->dev, 730 prof_info->count * PROFILE_STR_MAX, 731 GFP_KERNEL); 732 if (!prof_info->prof_name_list) 733 return -ENOMEM; 734 735 for (i = 0; i < prof_info->count; i++) { 736 prof_desc[i].id = i; 737 prof_info->prof_name_list[i] = prof_desc[i].prf_str; 738 dev_dbg(aw_dev->dev, "prof name is %s", prof_info->prof_name_list[i]); 739 } 740 741 return 0; 742} 743 744static int aw_get_dde_type_info(struct aw_device *aw_dev, struct aw_container *aw_cfg) 745{ 746 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 747 struct aw_cfg_dde_v1 *cfg_dde = 748 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset); 749 int default_num = 0; 750 int dev_num = 0; 751 unsigned int i; 752 753 for (i = 0; i < cfg_hdr->ddt_num; i++) { 754 if (cfg_dde[i].type == AW88395_DEV_TYPE_ID) 755 dev_num++; 756 757 if (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID) 758 default_num++; 759 } 760 761 if (dev_num != 0) { 762 aw_dev->prof_info.prof_type = AW88395_DEV_TYPE_ID; 763 } else if (default_num != 0) { 764 aw_dev->prof_info.prof_type = AW88395_DEV_DEFAULT_TYPE_ID; 765 } else { 766 dev_err(aw_dev->dev, "can't find scene"); 767 return -EINVAL; 768 } 769 770 return 0; 771} 772 773static int aw_get_dev_scene_count_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg, 774 unsigned int *scene_num) 775{ 776 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 777 struct aw_cfg_dde_v1 *cfg_dde = 778 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset); 779 unsigned int i; 780 781 for (i = 0; i < cfg_hdr->ddt_num; ++i) { 782 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_REG) || 783 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG) || 784 (cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN)) && 785 (aw_dev->chip_id == cfg_dde[i].chip_id) && 786 (aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) && 787 (aw_dev->i2c->addr == cfg_dde[i].dev_addr)) 788 (*scene_num)++; 789 } 790 791 if ((*scene_num) == 0) { 792 dev_err(aw_dev->dev, "failed to obtain scene, scenu_num = %d\n", (*scene_num)); 793 return -EINVAL; 794 } 795 796 return 0; 797} 798 799static int aw_get_default_scene_count_v1(struct aw_device *aw_dev, 800 struct aw_container *aw_cfg, 801 unsigned int *scene_num) 802{ 803 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 804 struct aw_cfg_dde_v1 *cfg_dde = 805 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset); 806 unsigned int i; 807 808 809 for (i = 0; i < cfg_hdr->ddt_num; ++i) { 810 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN) || 811 (cfg_dde[i].data_type == ACF_SEC_TYPE_REG) || 812 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG)) && 813 (aw_dev->chip_id == cfg_dde[i].chip_id) && 814 (aw_dev->channel == cfg_dde[i].dev_index)) 815 (*scene_num)++; 816 } 817 818 if ((*scene_num) == 0) { 819 dev_err(aw_dev->dev, "failed to obtain scene, scenu_num = %d\n", (*scene_num)); 820 return -EINVAL; 821 } 822 823 return 0; 824} 825 826static int aw_dev_parse_scene_count_v1(struct aw_device *aw_dev, 827 struct aw_container *aw_cfg, 828 unsigned int *count) 829{ 830 int ret; 831 832 ret = aw_get_dde_type_info(aw_dev, aw_cfg); 833 if (ret < 0) 834 return ret; 835 836 switch (aw_dev->prof_info.prof_type) { 837 case AW88395_DEV_TYPE_ID: 838 ret = aw_get_dev_scene_count_v1(aw_dev, aw_cfg, count); 839 break; 840 case AW88395_DEV_DEFAULT_TYPE_ID: 841 ret = aw_get_default_scene_count_v1(aw_dev, aw_cfg, count); 842 break; 843 default: 844 dev_err(aw_dev->dev, "unsupported prof_type[%x]", aw_dev->prof_info.prof_type); 845 ret = -EINVAL; 846 break; 847 } 848 849 return ret; 850} 851 852static int aw_dev_parse_data_by_sec_type_v1(struct aw_device *aw_dev, 853 struct aw_cfg_hdr *prof_hdr, 854 struct aw_cfg_dde_v1 *cfg_dde, 855 int *cur_scene_id) 856{ 857 struct aw_prof_info *prof_info = &aw_dev->prof_info; 858 int ret; 859 860 switch (cfg_dde->data_type) { 861 case ACF_SEC_TYPE_MULTIPLE_BIN: 862 ret = aw_dev_prof_parse_multi_bin(aw_dev, (u8 *)prof_hdr + cfg_dde->data_offset, 863 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]); 864 if (ret < 0) { 865 dev_err(aw_dev->dev, "parse multi bin failed"); 866 return ret; 867 } 868 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str; 869 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile; 870 (*cur_scene_id)++; 871 break; 872 case ACF_SEC_TYPE_HDR_REG: 873 ret = aw_dev_parse_reg_bin_with_hdr(aw_dev, 874 (uint8_t *)prof_hdr + cfg_dde->data_offset, 875 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]); 876 if (ret < 0) { 877 dev_err(aw_dev->dev, "parse reg bin with hdr failed"); 878 return ret; 879 } 880 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str; 881 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile; 882 (*cur_scene_id)++; 883 break; 884 default: 885 dev_err(aw_dev->dev, "unsupported SEC_TYPE [%d]", cfg_dde->data_type); 886 return -EINVAL; 887 } 888 889 return 0; 890} 891 892static int aw_dev_parse_dev_type_v1(struct aw_device *aw_dev, 893 struct aw_cfg_hdr *prof_hdr) 894{ 895 struct aw_cfg_dde_v1 *cfg_dde = 896 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset); 897 int cur_scene_id = 0; 898 unsigned int i; 899 int ret; 900 901 for (i = 0; i < prof_hdr->ddt_num; i++) { 902 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) && 903 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) && 904 (aw_dev->chip_id == cfg_dde[i].chip_id)) { 905 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr, 906 &cfg_dde[i], &cur_scene_id); 907 if (ret < 0) { 908 dev_err(aw_dev->dev, "parse failed"); 909 return ret; 910 } 911 } 912 } 913 914 if (cur_scene_id == 0) { 915 dev_err(aw_dev->dev, "get dev type failed, get num [%d]", cur_scene_id); 916 return -EINVAL; 917 } 918 919 return 0; 920} 921 922static int aw_dev_parse_default_type_v1(struct aw_device *aw_dev, 923 struct aw_cfg_hdr *prof_hdr) 924{ 925 struct aw_cfg_dde_v1 *cfg_dde = 926 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset); 927 int cur_scene_id = 0; 928 unsigned int i; 929 int ret; 930 931 for (i = 0; i < prof_hdr->ddt_num; i++) { 932 if ((aw_dev->channel == cfg_dde[i].dev_index) && 933 (aw_dev->chip_id == cfg_dde[i].chip_id)) { 934 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr, 935 &cfg_dde[i], &cur_scene_id); 936 if (ret < 0) { 937 dev_err(aw_dev->dev, "parse failed"); 938 return ret; 939 } 940 } 941 } 942 943 if (cur_scene_id == 0) { 944 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", cur_scene_id); 945 return -EINVAL; 946 } 947 948 return 0; 949} 950 951static int aw_dev_parse_by_hdr_v1(struct aw_device *aw_dev, 952 struct aw_cfg_hdr *cfg_hdr) 953{ 954 int ret; 955 956 switch (aw_dev->prof_info.prof_type) { 957 case AW88395_DEV_TYPE_ID: 958 ret = aw_dev_parse_dev_type_v1(aw_dev, cfg_hdr); 959 break; 960 case AW88395_DEV_DEFAULT_TYPE_ID: 961 ret = aw_dev_parse_default_type_v1(aw_dev, cfg_hdr); 962 break; 963 default: 964 dev_err(aw_dev->dev, "prof type matched failed, get num[%d]", 965 aw_dev->prof_info.prof_type); 966 ret = -EINVAL; 967 break; 968 } 969 970 return ret; 971} 972 973static int aw_dev_load_cfg_by_hdr_v1(struct aw_device *aw_dev, 974 struct aw_container *aw_cfg) 975{ 976 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 977 struct aw_prof_info *prof_info = &aw_dev->prof_info; 978 int ret; 979 980 ret = aw_dev_parse_scene_count_v1(aw_dev, aw_cfg, &prof_info->count); 981 if (ret < 0) { 982 dev_err(aw_dev->dev, "get scene count failed"); 983 return ret; 984 } 985 986 prof_info->prof_desc = devm_kcalloc(aw_dev->dev, 987 prof_info->count, sizeof(struct aw_prof_desc), 988 GFP_KERNEL); 989 if (!prof_info->prof_desc) 990 return -ENOMEM; 991 992 ret = aw_dev_parse_by_hdr_v1(aw_dev, cfg_hdr); 993 if (ret < 0) { 994 dev_err(aw_dev->dev, "parse hdr failed"); 995 return ret; 996 } 997 998 ret = aw_dev_create_prof_name_list_v1(aw_dev); 999 if (ret < 0) { 1000 dev_err(aw_dev->dev, "create prof name list failed"); 1001 return ret; 1002 } 1003 1004 return 0; 1005} 1006 1007int aw88395_dev_cfg_load(struct aw_device *aw_dev, struct aw_container *aw_cfg) 1008{ 1009 struct aw_cfg_hdr *cfg_hdr; 1010 int ret; 1011 1012 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1013 1014 switch (cfg_hdr->hdr_version) { 1015 case AW88395_CFG_HDR_VER: 1016 ret = aw_dev_load_cfg_by_hdr(aw_dev, cfg_hdr); 1017 if (ret < 0) { 1018 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed", 1019 cfg_hdr->hdr_version); 1020 return ret; 1021 } 1022 break; 1023 case AW88395_CFG_HDR_VER_V1: 1024 ret = aw_dev_load_cfg_by_hdr_v1(aw_dev, aw_cfg); 1025 if (ret < 0) { 1026 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed", 1027 cfg_hdr->hdr_version); 1028 return ret; 1029 } 1030 break; 1031 default: 1032 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version); 1033 return -EINVAL; 1034 } 1035 aw_dev->fw_status = AW88395_DEV_FW_OK; 1036 1037 return 0; 1038} 1039EXPORT_SYMBOL_GPL(aw88395_dev_cfg_load); 1040 1041static int aw_dev_check_cfg_by_hdr(struct aw_device *aw_dev, struct aw_container *aw_cfg) 1042{ 1043 unsigned int end_data_offset; 1044 struct aw_cfg_hdr *cfg_hdr; 1045 struct aw_cfg_dde *cfg_dde; 1046 unsigned int act_data = 0; 1047 unsigned int hdr_ddt_len; 1048 unsigned int i; 1049 u8 act_crc8; 1050 1051 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1052 /* check file type id is awinic acf file */ 1053 if (cfg_hdr->id != ACF_FILE_ID) { 1054 dev_err(aw_dev->dev, "not acf type file"); 1055 return -EINVAL; 1056 } 1057 1058 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size; 1059 if (hdr_ddt_len > aw_cfg->len) { 1060 dev_err(aw_dev->dev, "hdr_len with ddt_len [%d] overflow file size[%d]", 1061 cfg_hdr->hdr_offset, aw_cfg->len); 1062 return -EINVAL; 1063 } 1064 1065 /* check data size */ 1066 cfg_dde = (struct aw_cfg_dde *)((char *)aw_cfg->data + cfg_hdr->hdr_offset); 1067 act_data += hdr_ddt_len; 1068 for (i = 0; i < cfg_hdr->ddt_num; i++) 1069 act_data += cfg_dde[i].data_size; 1070 1071 if (act_data != aw_cfg->len) { 1072 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!", 1073 act_data, aw_cfg->len); 1074 return -EINVAL; 1075 } 1076 1077 for (i = 0; i < cfg_hdr->ddt_num; i++) { 1078 /* data check */ 1079 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size; 1080 if (end_data_offset > aw_cfg->len) { 1081 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]", 1082 i, end_data_offset, aw_cfg->len); 1083 return -EINVAL; 1084 } 1085 1086 /* crc check */ 1087 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset, 1088 cfg_dde[i].data_size, 0); 1089 if (act_crc8 != cfg_dde[i].data_crc) { 1090 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc:0x%x", 1091 i, (u32)act_crc8, cfg_dde[i].data_crc); 1092 return -EINVAL; 1093 } 1094 } 1095 1096 return 0; 1097} 1098 1099static int aw_dev_check_acf_by_hdr_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg) 1100{ 1101 struct aw_cfg_dde_v1 *cfg_dde; 1102 unsigned int end_data_offset; 1103 struct aw_cfg_hdr *cfg_hdr; 1104 unsigned int act_data = 0; 1105 unsigned int hdr_ddt_len; 1106 u8 act_crc8; 1107 int i; 1108 1109 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1110 1111 /* check file type id is awinic acf file */ 1112 if (cfg_hdr->id != ACF_FILE_ID) { 1113 dev_err(aw_dev->dev, "not acf type file"); 1114 return -EINVAL; 1115 } 1116 1117 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size; 1118 if (hdr_ddt_len > aw_cfg->len) { 1119 dev_err(aw_dev->dev, "hdrlen with ddt_len [%d] overflow file size[%d]", 1120 cfg_hdr->hdr_offset, aw_cfg->len); 1121 return -EINVAL; 1122 } 1123 1124 /* check data size */ 1125 cfg_dde = (struct aw_cfg_dde_v1 *)((char *)aw_cfg->data + cfg_hdr->hdr_offset); 1126 act_data += hdr_ddt_len; 1127 for (i = 0; i < cfg_hdr->ddt_num; i++) 1128 act_data += cfg_dde[i].data_size; 1129 1130 if (act_data != aw_cfg->len) { 1131 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!", 1132 act_data, aw_cfg->len); 1133 return -EINVAL; 1134 } 1135 1136 for (i = 0; i < cfg_hdr->ddt_num; i++) { 1137 /* data check */ 1138 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size; 1139 if (end_data_offset > aw_cfg->len) { 1140 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]", 1141 i, end_data_offset, aw_cfg->len); 1142 return -EINVAL; 1143 } 1144 1145 /* crc check */ 1146 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset, 1147 cfg_dde[i].data_size, 0); 1148 if (act_crc8 != cfg_dde[i].data_crc) { 1149 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc 0x%x", 1150 i, (u32)act_crc8, cfg_dde[i].data_crc); 1151 return -EINVAL; 1152 } 1153 } 1154 1155 return 0; 1156} 1157 1158int aw88395_dev_load_acf_check(struct aw_device *aw_dev, struct aw_container *aw_cfg) 1159{ 1160 struct aw_cfg_hdr *cfg_hdr; 1161 1162 if (!aw_cfg) { 1163 dev_err(aw_dev->dev, "aw_prof is NULL"); 1164 return -EINVAL; 1165 } 1166 1167 if (aw_cfg->len < sizeof(struct aw_cfg_hdr)) { 1168 dev_err(aw_dev->dev, "cfg hdr size[%d] overflow file size[%d]", 1169 aw_cfg->len, (int)sizeof(struct aw_cfg_hdr)); 1170 return -EINVAL; 1171 } 1172 1173 crc8_populate_lsb(aw_crc8_table, AW88395_CRC8_POLYNOMIAL); 1174 1175 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1176 switch (cfg_hdr->hdr_version) { 1177 case AW88395_CFG_HDR_VER: 1178 return aw_dev_check_cfg_by_hdr(aw_dev, aw_cfg); 1179 case AW88395_CFG_HDR_VER_V1: 1180 return aw_dev_check_acf_by_hdr_v1(aw_dev, aw_cfg); 1181 default: 1182 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version); 1183 return -EINVAL; 1184 } 1185 1186 return 0; 1187} 1188EXPORT_SYMBOL_GPL(aw88395_dev_load_acf_check); 1189 1190MODULE_DESCRIPTION("AW88395 ACF File Parsing Lib"); 1191MODULE_LICENSE("GPL v2"); 1192