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#include "aw88395_reg.h" 15 16#define AW88395_CRC8_POLYNOMIAL 0x8C 17DECLARE_CRC8_TABLE(aw_crc8_table); 18 19static char *profile_name[AW88395_PROFILE_MAX] = { 20 "Music", "Voice", "Voip", "Ringtone", 21 "Ringtone_hs", "Lowpower", "Bypass", 22 "Mmi", "Fm", "Notification", "Receiver" 23}; 24 25static int aw_parse_bin_header(struct aw_device *aw_dev, struct aw_bin *bin); 26 27static int aw_check_sum(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 28{ 29 unsigned char *p_check_sum; 30 unsigned int sum_data = 0; 31 unsigned int check_sum; 32 unsigned int i, len; 33 34 p_check_sum = &(bin->info.data[(bin->header_info[bin_num].valid_data_addr - 35 bin->header_info[bin_num].header_len)]); 36 len = bin->header_info[bin_num].bin_data_len + bin->header_info[bin_num].header_len; 37 check_sum = le32_to_cpup((void *)p_check_sum); 38 39 for (i = 4; i < len; i++) 40 sum_data += *(p_check_sum + i); 41 42 dev_dbg(aw_dev->dev, "%s -- check_sum = %p, check_sum = 0x%x, sum_data = 0x%x", 43 __func__, p_check_sum, check_sum, sum_data); 44 if (sum_data != check_sum) { 45 dev_err(aw_dev->dev, "%s. CheckSum Fail.bin_num=%d, CheckSum:0x%x, SumData:0x%x", 46 __func__, bin_num, check_sum, sum_data); 47 return -EINVAL; 48 } 49 50 return 0; 51} 52 53static int aw_check_data_version(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 54{ 55 if (bin->header_info[bin_num].bin_data_ver < DATA_VERSION_V1 || 56 bin->header_info[bin_num].bin_data_ver > DATA_VERSION_MAX) { 57 dev_err(aw_dev->dev, "aw_bin_parse Unrecognized this bin data version\n"); 58 return -EINVAL; 59 } 60 61 return 0; 62} 63 64static int aw_check_register_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 65{ 66 struct bin_header_info temp_info = bin->header_info[bin_num]; 67 unsigned int check_register_num, parse_register_num; 68 unsigned char *p_check_sum; 69 70 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]); 71 72 parse_register_num = le32_to_cpup((void *)p_check_sum); 73 check_register_num = (bin->header_info[bin_num].bin_data_len - CHECK_REGISTER_NUM_OFFSET) / 74 (bin->header_info[bin_num].reg_byte_len + 75 bin->header_info[bin_num].data_byte_len); 76 dev_dbg(aw_dev->dev, "%s,parse_register_num = 0x%x,check_register_num = 0x%x\n", 77 __func__, parse_register_num, check_register_num); 78 if (parse_register_num != check_register_num) { 79 dev_err(aw_dev->dev, "%s parse_register_num = 0x%x,check_register_num = 0x%x\n", 80 __func__, parse_register_num, check_register_num); 81 return -EINVAL; 82 } 83 84 bin->header_info[bin_num].reg_num = parse_register_num; 85 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - VALID_DATA_LEN; 86 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr + VALID_DATA_ADDR; 87 88 return 0; 89} 90 91static int aw_check_dsp_reg_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 92{ 93 struct bin_header_info temp_info = bin->header_info[bin_num]; 94 unsigned int check_dsp_reg_num, parse_dsp_reg_num; 95 unsigned char *p_check_sum; 96 97 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]); 98 99 parse_dsp_reg_num = le32_to_cpup((void *)(p_check_sum + PARSE_DSP_REG_NUM)); 100 bin->header_info[bin_num].reg_data_byte_len = 101 le32_to_cpup((void *)(p_check_sum + REG_DATA_BYTP_LEN)); 102 check_dsp_reg_num = (bin->header_info[bin_num].bin_data_len - CHECK_DSP_REG_NUM) / 103 bin->header_info[bin_num].reg_data_byte_len; 104 dev_dbg(aw_dev->dev, "%s bin_num = %d, parse_dsp_reg_num = 0x%x, check_dsp_reg_num = 0x%x", 105 __func__, bin_num, check_dsp_reg_num, check_dsp_reg_num); 106 if (parse_dsp_reg_num != check_dsp_reg_num) { 107 dev_err(aw_dev->dev, "aw_bin_parse check dsp reg num error\n"); 108 dev_err(aw_dev->dev, "%s parse_dsp_reg_num = 0x%x, check_dsp_reg_num = 0x%x", 109 __func__, check_dsp_reg_num, check_dsp_reg_num); 110 return -EINVAL; 111 } 112 113 bin->header_info[bin_num].download_addr = le32_to_cpup((void *)p_check_sum); 114 bin->header_info[bin_num].reg_num = parse_dsp_reg_num; 115 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - DSP_VALID_DATA_LEN; 116 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr + 117 DSP_VALID_DATA_ADDR; 118 119 return 0; 120} 121 122static int aw_check_soc_app_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num) 123{ 124 struct bin_header_info temp_info = bin->header_info[bin_num]; 125 unsigned int check_soc_app_num, parse_soc_app_num; 126 unsigned char *p_check_sum; 127 128 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]); 129 130 bin->header_info[bin_num].app_version = le32_to_cpup((void *)p_check_sum); 131 parse_soc_app_num = le32_to_cpup((void *)(p_check_sum + PARSE_SOC_APP_NUM)); 132 check_soc_app_num = bin->header_info[bin_num].bin_data_len - CHECK_SOC_APP_NUM; 133 dev_dbg(aw_dev->dev, "%s bin_num = %d, parse_soc_app_num=0x%x, check_soc_app_num = 0x%x\n", 134 __func__, bin_num, parse_soc_app_num, check_soc_app_num); 135 if (parse_soc_app_num != check_soc_app_num) { 136 dev_err(aw_dev->dev, "%s parse_soc_app_num=0x%x, check_soc_app_num = 0x%x\n", 137 __func__, parse_soc_app_num, check_soc_app_num); 138 return -EINVAL; 139 } 140 141 bin->header_info[bin_num].reg_num = parse_soc_app_num; 142 bin->header_info[bin_num].download_addr = le32_to_cpup((void *)(p_check_sum + 143 APP_DOWNLOAD_ADDR)); 144 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - APP_VALID_DATA_LEN; 145 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr + 146 APP_VALID_DATA_ADDR; 147 148 return 0; 149} 150 151static void aw_get_single_bin_header(struct aw_bin *bin) 152{ 153 memcpy((void *)&bin->header_info[bin->all_bin_parse_num], bin->p_addr, DATA_LEN); 154 155 bin->header_info[bin->all_bin_parse_num].header_len = HEADER_LEN; 156 bin->all_bin_parse_num += 1; 157} 158 159static int aw_parse_one_of_multi_bins(struct aw_device *aw_dev, unsigned int bin_num, 160 int bin_serial_num, struct aw_bin *bin) 161{ 162 struct bin_header_info aw_bin_header_info; 163 unsigned int bin_start_addr; 164 unsigned int valid_data_len; 165 166 if (bin->info.len < sizeof(struct bin_header_info)) { 167 dev_err(aw_dev->dev, "bin_header_info size[%d] overflow file size[%d]\n", 168 (int)sizeof(struct bin_header_info), bin->info.len); 169 return -EINVAL; 170 } 171 172 aw_bin_header_info = bin->header_info[bin->all_bin_parse_num - 1]; 173 if (!bin_serial_num) { 174 bin_start_addr = le32_to_cpup((void *)(bin->p_addr + START_ADDR_OFFSET)); 175 bin->p_addr += (HEADER_LEN + bin_start_addr); 176 bin->header_info[bin->all_bin_parse_num].valid_data_addr = 177 aw_bin_header_info.valid_data_addr + VALID_DATA_ADDR + 8 * bin_num + 178 VALID_DATA_ADDR_OFFSET; 179 } else { 180 valid_data_len = aw_bin_header_info.bin_data_len; 181 bin->p_addr += (HDADER_LEN + valid_data_len); 182 bin->header_info[bin->all_bin_parse_num].valid_data_addr = 183 aw_bin_header_info.valid_data_addr + aw_bin_header_info.bin_data_len + 184 VALID_DATA_ADDR_OFFSET; 185 } 186 187 return aw_parse_bin_header(aw_dev, bin); 188} 189 190static int aw_get_multi_bin_header(struct aw_device *aw_dev, struct aw_bin *bin) 191{ 192 unsigned int bin_num, i; 193 int ret; 194 195 bin_num = le32_to_cpup((void *)(bin->p_addr + VALID_DATA_ADDR_OFFSET)); 196 if (bin->multi_bin_parse_num == 1) 197 bin->header_info[bin->all_bin_parse_num].valid_data_addr = 198 VALID_DATA_ADDR_OFFSET; 199 200 aw_get_single_bin_header(bin); 201 202 for (i = 0; i < bin_num; i++) { 203 dev_dbg(aw_dev->dev, "aw_bin_parse enter multi bin for is %d\n", i); 204 ret = aw_parse_one_of_multi_bins(aw_dev, bin_num, i, bin); 205 if (ret < 0) 206 return ret; 207 } 208 209 return 0; 210} 211 212static int aw_parse_bin_header(struct aw_device *aw_dev, struct aw_bin *bin) 213{ 214 unsigned int bin_data_type; 215 216 if (bin->info.len < sizeof(struct bin_header_info)) { 217 dev_err(aw_dev->dev, "bin_header_info size[%d] overflow file size[%d]\n", 218 (int)sizeof(struct bin_header_info), bin->info.len); 219 return -EINVAL; 220 } 221 222 bin_data_type = le32_to_cpup((void *)(bin->p_addr + BIN_DATA_TYPE_OFFSET)); 223 dev_dbg(aw_dev->dev, "aw_bin_parse bin_data_type 0x%x\n", bin_data_type); 224 switch (bin_data_type) { 225 case DATA_TYPE_REGISTER: 226 case DATA_TYPE_DSP_REG: 227 case DATA_TYPE_SOC_APP: 228 bin->single_bin_parse_num += 1; 229 dev_dbg(aw_dev->dev, "%s bin->single_bin_parse_num is %d\n", __func__, 230 bin->single_bin_parse_num); 231 if (!bin->multi_bin_parse_num) 232 bin->header_info[bin->all_bin_parse_num].valid_data_addr = 233 VALID_DATA_ADDR_OFFSET; 234 aw_get_single_bin_header(bin); 235 return 0; 236 case DATA_TYPE_MULTI_BINS: 237 bin->multi_bin_parse_num += 1; 238 dev_dbg(aw_dev->dev, "%s bin->multi_bin_parse_num is %d\n", __func__, 239 bin->multi_bin_parse_num); 240 return aw_get_multi_bin_header(aw_dev, bin); 241 default: 242 dev_dbg(aw_dev->dev, "%s There is no corresponding type\n", __func__); 243 return 0; 244 } 245} 246 247static int aw_check_bin_header_version(struct aw_device *aw_dev, struct aw_bin *bin) 248{ 249 unsigned int header_version; 250 251 header_version = le32_to_cpup((void *)(bin->p_addr + HEADER_VERSION_OFFSET)); 252 dev_dbg(aw_dev->dev, "aw_bin_parse header_version 0x%x\n", header_version); 253 254 switch (header_version) { 255 case HEADER_VERSION_V1: 256 return aw_parse_bin_header(aw_dev, bin); 257 default: 258 dev_err(aw_dev->dev, "aw_bin_parse Unrecognized this bin header version\n"); 259 return -EINVAL; 260 } 261} 262 263static int aw_parsing_bin_file(struct aw_device *aw_dev, struct aw_bin *bin) 264{ 265 int ret = -EINVAL; 266 int i; 267 268 if (!bin) { 269 dev_err(aw_dev->dev, "aw_bin_parse bin is NULL\n"); 270 return ret; 271 } 272 bin->p_addr = bin->info.data; 273 bin->all_bin_parse_num = 0; 274 bin->multi_bin_parse_num = 0; 275 bin->single_bin_parse_num = 0; 276 277 ret = aw_check_bin_header_version(aw_dev, bin); 278 if (ret < 0) { 279 dev_err(aw_dev->dev, "aw_bin_parse check bin header version error\n"); 280 return ret; 281 } 282 283 for (i = 0; i < bin->all_bin_parse_num; i++) { 284 ret = aw_check_sum(aw_dev, bin, i); 285 if (ret < 0) { 286 dev_err(aw_dev->dev, "aw_bin_parse check sum data error\n"); 287 return ret; 288 } 289 ret = aw_check_data_version(aw_dev, bin, i); 290 if (ret < 0) { 291 dev_err(aw_dev->dev, "aw_bin_parse check data version error\n"); 292 return ret; 293 } 294 if (bin->header_info[i].bin_data_ver == DATA_VERSION_V1) { 295 switch (bin->header_info[i].bin_data_type) { 296 case DATA_TYPE_REGISTER: 297 ret = aw_check_register_num(aw_dev, bin, i); 298 break; 299 case DATA_TYPE_DSP_REG: 300 ret = aw_check_dsp_reg_num(aw_dev, bin, i); 301 break; 302 case DATA_TYPE_SOC_APP: 303 ret = aw_check_soc_app_num(aw_dev, bin, i); 304 break; 305 default: 306 bin->header_info[i].valid_data_len = 307 bin->header_info[i].bin_data_len; 308 ret = 0; 309 break; 310 } 311 if (ret < 0) 312 return ret; 313 } 314 } 315 316 return 0; 317} 318 319static int aw_dev_parse_raw_reg(unsigned char *data, unsigned int data_len, 320 struct aw_prof_desc *prof_desc) 321{ 322 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data = data; 323 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len = data_len; 324 325 prof_desc->prof_st = AW88395_PROFILE_OK; 326 327 return 0; 328} 329 330static int aw_dev_parse_raw_dsp_cfg(unsigned char *data, unsigned int data_len, 331 struct aw_prof_desc *prof_desc) 332{ 333 if (data_len & 0x01) 334 return -EINVAL; 335 336 swab16_array((u16 *)data, data_len >> 1); 337 338 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].data = data; 339 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].len = data_len; 340 341 prof_desc->prof_st = AW88395_PROFILE_OK; 342 343 return 0; 344} 345 346static int aw_dev_parse_raw_dsp_fw(unsigned char *data, unsigned int data_len, 347 struct aw_prof_desc *prof_desc) 348{ 349 if (data_len & 0x01) 350 return -EINVAL; 351 352 swab16_array((u16 *)data, data_len >> 1); 353 354 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].data = data; 355 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].len = data_len; 356 357 prof_desc->prof_st = AW88395_PROFILE_OK; 358 359 return 0; 360} 361 362static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *data, 363 unsigned int data_len, struct aw_prof_desc *prof_desc) 364{ 365 struct aw_bin *aw_bin; 366 int ret; 367 int i; 368 369 aw_bin = devm_kzalloc(aw_dev->dev, data_len + sizeof(struct aw_bin), GFP_KERNEL); 370 if (!aw_bin) 371 return -ENOMEM; 372 373 aw_bin->info.len = data_len; 374 memcpy(aw_bin->info.data, data, data_len); 375 376 ret = aw_parsing_bin_file(aw_dev, aw_bin); 377 if (ret < 0) { 378 dev_err(aw_dev->dev, "parse bin failed"); 379 goto parse_bin_failed; 380 } 381 382 for (i = 0; i < aw_bin->all_bin_parse_num; i++) { 383 switch (aw_bin->header_info[i].bin_data_type) { 384 case DATA_TYPE_REGISTER: 385 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len = 386 aw_bin->header_info[i].valid_data_len; 387 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data = 388 data + aw_bin->header_info[i].valid_data_addr; 389 break; 390 case DATA_TYPE_DSP_REG: 391 if (aw_bin->header_info[i].valid_data_len & 0x01) { 392 ret = -EINVAL; 393 goto parse_bin_failed; 394 } 395 396 swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr), 397 aw_bin->header_info[i].valid_data_len >> 1); 398 399 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].len = 400 aw_bin->header_info[i].valid_data_len; 401 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].data = 402 data + aw_bin->header_info[i].valid_data_addr; 403 break; 404 case DATA_TYPE_DSP_FW: 405 case DATA_TYPE_SOC_APP: 406 if (aw_bin->header_info[i].valid_data_len & 0x01) { 407 ret = -EINVAL; 408 goto parse_bin_failed; 409 } 410 411 swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr), 412 aw_bin->header_info[i].valid_data_len >> 1); 413 414 prof_desc->fw_ver = aw_bin->header_info[i].app_version; 415 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].len = 416 aw_bin->header_info[i].valid_data_len; 417 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].data = 418 data + aw_bin->header_info[i].valid_data_addr; 419 break; 420 default: 421 dev_dbg(aw_dev->dev, "bin_data_type not found"); 422 break; 423 } 424 } 425 prof_desc->prof_st = AW88395_PROFILE_OK; 426 ret = 0; 427 428parse_bin_failed: 429 devm_kfree(aw_dev->dev, aw_bin); 430 return ret; 431} 432 433static int aw_dev_parse_reg_bin_with_hdr(struct aw_device *aw_dev, 434 uint8_t *data, uint32_t data_len, struct aw_prof_desc *prof_desc) 435{ 436 struct aw_bin *aw_bin; 437 int ret; 438 439 aw_bin = devm_kzalloc(aw_dev->dev, data_len + sizeof(*aw_bin), GFP_KERNEL); 440 if (!aw_bin) 441 return -ENOMEM; 442 443 aw_bin->info.len = data_len; 444 memcpy(aw_bin->info.data, data, data_len); 445 446 ret = aw_parsing_bin_file(aw_dev, aw_bin); 447 if (ret < 0) { 448 dev_err(aw_dev->dev, "parse bin failed"); 449 goto parse_bin_failed; 450 } 451 452 if ((aw_bin->all_bin_parse_num != 1) || 453 (aw_bin->header_info[0].bin_data_type != DATA_TYPE_REGISTER)) { 454 dev_err(aw_dev->dev, "bin num or type error"); 455 ret = -EINVAL; 456 goto parse_bin_failed; 457 } 458 459 if (aw_bin->header_info[0].valid_data_len % 4) { 460 dev_err(aw_dev->dev, "bin data len get error!"); 461 ret = -EINVAL; 462 goto parse_bin_failed; 463 } 464 465 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data = 466 data + aw_bin->header_info[0].valid_data_addr; 467 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len = 468 aw_bin->header_info[0].valid_data_len; 469 prof_desc->prof_st = AW88395_PROFILE_OK; 470 471 devm_kfree(aw_dev->dev, aw_bin); 472 aw_bin = NULL; 473 474 return 0; 475 476parse_bin_failed: 477 devm_kfree(aw_dev->dev, aw_bin); 478 aw_bin = NULL; 479 return ret; 480} 481 482static int aw_dev_parse_data_by_sec_type(struct aw_device *aw_dev, struct aw_cfg_hdr *cfg_hdr, 483 struct aw_cfg_dde *cfg_dde, struct aw_prof_desc *scene_prof_desc) 484{ 485 switch (cfg_dde->data_type) { 486 case ACF_SEC_TYPE_REG: 487 return aw_dev_parse_raw_reg((u8 *)cfg_hdr + cfg_dde->data_offset, 488 cfg_dde->data_size, scene_prof_desc); 489 case ACF_SEC_TYPE_DSP_CFG: 490 return aw_dev_parse_raw_dsp_cfg((u8 *)cfg_hdr + cfg_dde->data_offset, 491 cfg_dde->data_size, scene_prof_desc); 492 case ACF_SEC_TYPE_DSP_FW: 493 return aw_dev_parse_raw_dsp_fw( 494 (u8 *)cfg_hdr + cfg_dde->data_offset, 495 cfg_dde->data_size, scene_prof_desc); 496 case ACF_SEC_TYPE_MULTIPLE_BIN: 497 return aw_dev_prof_parse_multi_bin( 498 aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset, 499 cfg_dde->data_size, scene_prof_desc); 500 case ACF_SEC_TYPE_HDR_REG: 501 return aw_dev_parse_reg_bin_with_hdr(aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset, 502 cfg_dde->data_size, scene_prof_desc); 503 default: 504 dev_err(aw_dev->dev, "%s cfg_dde->data_type = %d\n", __func__, cfg_dde->data_type); 505 break; 506 } 507 508 return 0; 509} 510 511static int aw_dev_parse_dev_type(struct aw_device *aw_dev, 512 struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info) 513{ 514 struct aw_cfg_dde *cfg_dde = 515 (struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset); 516 int sec_num = 0; 517 int ret, i; 518 519 for (i = 0; i < prof_hdr->ddt_num; i++) { 520 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) && 521 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) && 522 (cfg_dde[i].type == AW88395_DEV_TYPE_ID) && 523 (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) { 524 if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) { 525 dev_err(aw_dev->dev, "dev_profile [%d] overflow", 526 cfg_dde[i].dev_profile); 527 return -EINVAL; 528 } 529 530 ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i], 531 &all_prof_info->prof_desc[cfg_dde[i].dev_profile]); 532 if (ret < 0) { 533 dev_err(aw_dev->dev, "parse failed"); 534 return ret; 535 } 536 sec_num++; 537 } 538 } 539 540 if (sec_num == 0) { 541 dev_dbg(aw_dev->dev, "get dev type num is %d, please use default", sec_num); 542 return AW88395_DEV_TYPE_NONE; 543 } 544 545 return AW88395_DEV_TYPE_OK; 546} 547 548static int aw_dev_parse_dev_default_type(struct aw_device *aw_dev, 549 struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info) 550{ 551 struct aw_cfg_dde *cfg_dde = 552 (struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset); 553 int sec_num = 0; 554 int ret, i; 555 556 for (i = 0; i < prof_hdr->ddt_num; i++) { 557 if ((aw_dev->channel == cfg_dde[i].dev_index) && 558 (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID) && 559 (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) { 560 if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) { 561 dev_err(aw_dev->dev, "dev_profile [%d] overflow", 562 cfg_dde[i].dev_profile); 563 return -EINVAL; 564 } 565 ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i], 566 &all_prof_info->prof_desc[cfg_dde[i].dev_profile]); 567 if (ret < 0) { 568 dev_err(aw_dev->dev, "parse failed"); 569 return ret; 570 } 571 sec_num++; 572 } 573 } 574 575 if (sec_num == 0) { 576 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", sec_num); 577 return -EINVAL; 578 } 579 580 return 0; 581} 582 583static int aw88261_dev_cfg_get_valid_prof(struct aw_device *aw_dev, 584 struct aw_all_prof_info all_prof_info) 585{ 586 struct aw_prof_desc *prof_desc = all_prof_info.prof_desc; 587 struct aw_prof_info *prof_info = &aw_dev->prof_info; 588 int num = 0; 589 int i; 590 591 for (i = 0; i < AW88395_PROFILE_MAX; i++) { 592 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) 593 prof_info->count++; 594 } 595 596 dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count); 597 598 if (!prof_info->count) { 599 dev_err(aw_dev->dev, "no profile data"); 600 return -EPERM; 601 } 602 603 prof_info->prof_desc = devm_kcalloc(aw_dev->dev, 604 prof_info->count, sizeof(struct aw_prof_desc), 605 GFP_KERNEL); 606 if (!prof_info->prof_desc) 607 return -ENOMEM; 608 609 for (i = 0; i < AW88395_PROFILE_MAX; i++) { 610 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) { 611 if (num >= prof_info->count) { 612 dev_err(aw_dev->dev, "overflow count[%d]", 613 prof_info->count); 614 return -EINVAL; 615 } 616 prof_info->prof_desc[num] = prof_desc[i]; 617 prof_info->prof_desc[num].id = i; 618 num++; 619 } 620 } 621 622 return 0; 623} 624 625static int aw88395_dev_cfg_get_valid_prof(struct aw_device *aw_dev, 626 struct aw_all_prof_info all_prof_info) 627{ 628 struct aw_prof_desc *prof_desc = all_prof_info.prof_desc; 629 struct aw_prof_info *prof_info = &aw_dev->prof_info; 630 struct aw_sec_data_desc *sec_desc; 631 int num = 0; 632 int i; 633 634 for (i = 0; i < AW88395_PROFILE_MAX; i++) { 635 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) { 636 sec_desc = prof_desc[i].sec_desc; 637 if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) && 638 (sec_desc[AW88395_DATA_TYPE_REG].len != 0) && 639 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) && 640 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) && 641 (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) && 642 (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0)) 643 prof_info->count++; 644 } 645 } 646 647 dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count); 648 649 if (!prof_info->count) { 650 dev_err(aw_dev->dev, "no profile data"); 651 return -EPERM; 652 } 653 654 prof_info->prof_desc = devm_kcalloc(aw_dev->dev, 655 prof_info->count, sizeof(struct aw_prof_desc), 656 GFP_KERNEL); 657 if (!prof_info->prof_desc) 658 return -ENOMEM; 659 660 for (i = 0; i < AW88395_PROFILE_MAX; i++) { 661 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) { 662 sec_desc = prof_desc[i].sec_desc; 663 if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) && 664 (sec_desc[AW88395_DATA_TYPE_REG].len != 0) && 665 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) && 666 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) && 667 (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) && 668 (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0)) { 669 if (num >= prof_info->count) { 670 dev_err(aw_dev->dev, "overflow count[%d]", 671 prof_info->count); 672 return -EINVAL; 673 } 674 prof_info->prof_desc[num] = prof_desc[i]; 675 prof_info->prof_desc[num].id = i; 676 num++; 677 } 678 } 679 } 680 681 return 0; 682} 683 684static int aw_dev_load_cfg_by_hdr(struct aw_device *aw_dev, 685 struct aw_cfg_hdr *prof_hdr) 686{ 687 struct aw_all_prof_info *all_prof_info; 688 int ret; 689 690 all_prof_info = devm_kzalloc(aw_dev->dev, sizeof(struct aw_all_prof_info), GFP_KERNEL); 691 if (!all_prof_info) 692 return -ENOMEM; 693 694 ret = aw_dev_parse_dev_type(aw_dev, prof_hdr, all_prof_info); 695 if (ret < 0) { 696 goto exit; 697 } else if (ret == AW88395_DEV_TYPE_NONE) { 698 dev_dbg(aw_dev->dev, "get dev type num is 0, parse default dev"); 699 ret = aw_dev_parse_dev_default_type(aw_dev, prof_hdr, all_prof_info); 700 if (ret < 0) 701 goto exit; 702 } 703 704 switch (aw_dev->chip_id) { 705 case AW88395_CHIP_ID: 706 ret = aw88395_dev_cfg_get_valid_prof(aw_dev, *all_prof_info); 707 if (ret < 0) 708 goto exit; 709 break; 710 case AW88261_CHIP_ID: 711 ret = aw88261_dev_cfg_get_valid_prof(aw_dev, *all_prof_info); 712 if (ret < 0) 713 goto exit; 714 break; 715 default: 716 dev_err(aw_dev->dev, "valid prof unsupported"); 717 ret = -EINVAL; 718 break; 719 } 720 721 aw_dev->prof_info.prof_name_list = profile_name; 722 723exit: 724 devm_kfree(aw_dev->dev, all_prof_info); 725 return ret; 726} 727 728static int aw_dev_create_prof_name_list_v1(struct aw_device *aw_dev) 729{ 730 struct aw_prof_info *prof_info = &aw_dev->prof_info; 731 struct aw_prof_desc *prof_desc = prof_info->prof_desc; 732 int i; 733 734 if (!prof_desc) { 735 dev_err(aw_dev->dev, "prof_desc is NULL"); 736 return -EINVAL; 737 } 738 739 prof_info->prof_name_list = devm_kzalloc(aw_dev->dev, 740 prof_info->count * PROFILE_STR_MAX, 741 GFP_KERNEL); 742 if (!prof_info->prof_name_list) 743 return -ENOMEM; 744 745 for (i = 0; i < prof_info->count; i++) { 746 prof_desc[i].id = i; 747 prof_info->prof_name_list[i] = prof_desc[i].prf_str; 748 dev_dbg(aw_dev->dev, "prof name is %s", prof_info->prof_name_list[i]); 749 } 750 751 return 0; 752} 753 754static int aw_get_dde_type_info(struct aw_device *aw_dev, struct aw_container *aw_cfg) 755{ 756 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 757 struct aw_cfg_dde_v1 *cfg_dde = 758 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset); 759 int default_num = 0; 760 int dev_num = 0; 761 unsigned int i; 762 763 for (i = 0; i < cfg_hdr->ddt_num; i++) { 764 if (cfg_dde[i].type == AW88395_DEV_TYPE_ID) 765 dev_num++; 766 767 if (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID) 768 default_num++; 769 } 770 771 if (dev_num != 0) { 772 aw_dev->prof_info.prof_type = AW88395_DEV_TYPE_ID; 773 } else if (default_num != 0) { 774 aw_dev->prof_info.prof_type = AW88395_DEV_DEFAULT_TYPE_ID; 775 } else { 776 dev_err(aw_dev->dev, "can't find scene"); 777 return -EINVAL; 778 } 779 780 return 0; 781} 782 783static int aw_get_dev_scene_count_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg, 784 unsigned int *scene_num) 785{ 786 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 787 struct aw_cfg_dde_v1 *cfg_dde = 788 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset); 789 unsigned int i; 790 int ret; 791 792 switch (aw_dev->chip_id) { 793 case AW88395_CHIP_ID: 794 for (i = 0; i < cfg_hdr->ddt_num; ++i) { 795 if ((cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN) && 796 (aw_dev->chip_id == cfg_dde[i].chip_id) && 797 (aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) && 798 (aw_dev->i2c->addr == cfg_dde[i].dev_addr)) 799 (*scene_num)++; 800 } 801 ret = 0; 802 break; 803 case AW88261_CHIP_ID: 804 for (i = 0; i < cfg_hdr->ddt_num; ++i) { 805 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_REG) || 806 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG)) && 807 (aw_dev->chip_id == cfg_dde[i].chip_id) && 808 (aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) && 809 (aw_dev->i2c->addr == cfg_dde[i].dev_addr)) 810 (*scene_num)++; 811 } 812 ret = 0; 813 break; 814 default: 815 dev_err(aw_dev->dev, "unsupported device"); 816 ret = -EINVAL; 817 break; 818 } 819 820 return ret; 821} 822 823static int aw_get_default_scene_count_v1(struct aw_device *aw_dev, 824 struct aw_container *aw_cfg, 825 unsigned int *scene_num) 826{ 827 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 828 struct aw_cfg_dde_v1 *cfg_dde = 829 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset); 830 unsigned int i; 831 int ret; 832 833 switch (aw_dev->chip_id) { 834 case AW88395_CHIP_ID: 835 for (i = 0; i < cfg_hdr->ddt_num; ++i) { 836 if ((cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN) && 837 (aw_dev->chip_id == cfg_dde[i].chip_id) && 838 (aw_dev->channel == cfg_dde[i].dev_index)) 839 (*scene_num)++; 840 } 841 ret = 0; 842 break; 843 case AW88261_CHIP_ID: 844 for (i = 0; i < cfg_hdr->ddt_num; ++i) { 845 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_REG) || 846 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG)) && 847 (aw_dev->chip_id == cfg_dde[i].chip_id) && 848 (aw_dev->channel == cfg_dde[i].dev_index)) 849 (*scene_num)++; 850 } 851 ret = 0; 852 break; 853 default: 854 dev_err(aw_dev->dev, "unsupported device"); 855 ret = -EINVAL; 856 break; 857 } 858 859 return ret; 860} 861 862static int aw_dev_parse_scene_count_v1(struct aw_device *aw_dev, 863 struct aw_container *aw_cfg, 864 unsigned int *count) 865{ 866 int ret; 867 868 ret = aw_get_dde_type_info(aw_dev, aw_cfg); 869 if (ret < 0) 870 return ret; 871 872 switch (aw_dev->prof_info.prof_type) { 873 case AW88395_DEV_TYPE_ID: 874 ret = aw_get_dev_scene_count_v1(aw_dev, aw_cfg, count); 875 break; 876 case AW88395_DEV_DEFAULT_TYPE_ID: 877 ret = aw_get_default_scene_count_v1(aw_dev, aw_cfg, count); 878 break; 879 default: 880 dev_err(aw_dev->dev, "unsupported prof_type[%x]", aw_dev->prof_info.prof_type); 881 ret = -EINVAL; 882 break; 883 } 884 885 return ret; 886} 887 888static int aw_dev_parse_data_by_sec_type_v1(struct aw_device *aw_dev, 889 struct aw_cfg_hdr *prof_hdr, 890 struct aw_cfg_dde_v1 *cfg_dde, 891 int *cur_scene_id) 892{ 893 struct aw_prof_info *prof_info = &aw_dev->prof_info; 894 int ret; 895 896 switch (cfg_dde->data_type) { 897 case ACF_SEC_TYPE_MULTIPLE_BIN: 898 ret = aw_dev_prof_parse_multi_bin(aw_dev, (u8 *)prof_hdr + cfg_dde->data_offset, 899 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]); 900 if (ret < 0) { 901 dev_err(aw_dev->dev, "parse multi bin failed"); 902 return ret; 903 } 904 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str; 905 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile; 906 (*cur_scene_id)++; 907 break; 908 case ACF_SEC_TYPE_HDR_REG: 909 ret = aw_dev_parse_reg_bin_with_hdr(aw_dev, 910 (uint8_t *)prof_hdr + cfg_dde->data_offset, 911 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]); 912 if (ret < 0) { 913 dev_err(aw_dev->dev, "parse reg bin with hdr failed"); 914 return ret; 915 } 916 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str; 917 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile; 918 (*cur_scene_id)++; 919 break; 920 default: 921 dev_err(aw_dev->dev, "unsupported SEC_TYPE [%d]", cfg_dde->data_type); 922 return -EINVAL; 923 } 924 925 return 0; 926} 927 928static int aw_dev_parse_dev_type_v1(struct aw_device *aw_dev, 929 struct aw_cfg_hdr *prof_hdr) 930{ 931 struct aw_cfg_dde_v1 *cfg_dde = 932 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset); 933 int cur_scene_id = 0; 934 unsigned int i; 935 int ret; 936 937 for (i = 0; i < prof_hdr->ddt_num; i++) { 938 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) && 939 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) && 940 (aw_dev->chip_id == cfg_dde[i].chip_id)) { 941 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr, 942 &cfg_dde[i], &cur_scene_id); 943 if (ret < 0) { 944 dev_err(aw_dev->dev, "parse failed"); 945 return ret; 946 } 947 } 948 } 949 950 if (cur_scene_id == 0) { 951 dev_err(aw_dev->dev, "get dev type failed, get num [%d]", cur_scene_id); 952 return -EINVAL; 953 } 954 955 return 0; 956} 957 958static int aw_dev_parse_default_type_v1(struct aw_device *aw_dev, 959 struct aw_cfg_hdr *prof_hdr) 960{ 961 struct aw_cfg_dde_v1 *cfg_dde = 962 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset); 963 int cur_scene_id = 0; 964 unsigned int i; 965 int ret; 966 967 for (i = 0; i < prof_hdr->ddt_num; i++) { 968 if ((aw_dev->channel == cfg_dde[i].dev_index) && 969 (aw_dev->chip_id == cfg_dde[i].chip_id)) { 970 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr, 971 &cfg_dde[i], &cur_scene_id); 972 if (ret < 0) { 973 dev_err(aw_dev->dev, "parse failed"); 974 return ret; 975 } 976 } 977 } 978 979 if (cur_scene_id == 0) { 980 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", cur_scene_id); 981 return -EINVAL; 982 } 983 984 return 0; 985} 986 987static int aw_dev_parse_by_hdr_v1(struct aw_device *aw_dev, 988 struct aw_cfg_hdr *cfg_hdr) 989{ 990 int ret; 991 992 switch (aw_dev->prof_info.prof_type) { 993 case AW88395_DEV_TYPE_ID: 994 ret = aw_dev_parse_dev_type_v1(aw_dev, cfg_hdr); 995 break; 996 case AW88395_DEV_DEFAULT_TYPE_ID: 997 ret = aw_dev_parse_default_type_v1(aw_dev, cfg_hdr); 998 break; 999 default: 1000 dev_err(aw_dev->dev, "prof type matched failed, get num[%d]", 1001 aw_dev->prof_info.prof_type); 1002 ret = -EINVAL; 1003 break; 1004 } 1005 1006 return ret; 1007} 1008 1009static int aw_dev_load_cfg_by_hdr_v1(struct aw_device *aw_dev, 1010 struct aw_container *aw_cfg) 1011{ 1012 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1013 struct aw_prof_info *prof_info = &aw_dev->prof_info; 1014 int ret; 1015 1016 ret = aw_dev_parse_scene_count_v1(aw_dev, aw_cfg, &prof_info->count); 1017 if (ret < 0) { 1018 dev_err(aw_dev->dev, "get scene count failed"); 1019 return ret; 1020 } 1021 1022 prof_info->prof_desc = devm_kcalloc(aw_dev->dev, 1023 prof_info->count, sizeof(struct aw_prof_desc), 1024 GFP_KERNEL); 1025 if (!prof_info->prof_desc) 1026 return -ENOMEM; 1027 1028 ret = aw_dev_parse_by_hdr_v1(aw_dev, cfg_hdr); 1029 if (ret < 0) { 1030 dev_err(aw_dev->dev, "parse hdr failed"); 1031 return ret; 1032 } 1033 1034 ret = aw_dev_create_prof_name_list_v1(aw_dev); 1035 if (ret < 0) { 1036 dev_err(aw_dev->dev, "create prof name list failed"); 1037 return ret; 1038 } 1039 1040 return 0; 1041} 1042 1043int aw88395_dev_cfg_load(struct aw_device *aw_dev, struct aw_container *aw_cfg) 1044{ 1045 struct aw_cfg_hdr *cfg_hdr; 1046 int ret; 1047 1048 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1049 1050 switch (cfg_hdr->hdr_version) { 1051 case AW88395_CFG_HDR_VER: 1052 ret = aw_dev_load_cfg_by_hdr(aw_dev, cfg_hdr); 1053 if (ret < 0) { 1054 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed", 1055 cfg_hdr->hdr_version); 1056 return ret; 1057 } 1058 break; 1059 case AW88395_CFG_HDR_VER_V1: 1060 ret = aw_dev_load_cfg_by_hdr_v1(aw_dev, aw_cfg); 1061 if (ret < 0) { 1062 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed", 1063 cfg_hdr->hdr_version); 1064 return ret; 1065 } 1066 break; 1067 default: 1068 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version); 1069 return -EINVAL; 1070 } 1071 aw_dev->fw_status = AW88395_DEV_FW_OK; 1072 1073 return 0; 1074} 1075EXPORT_SYMBOL_GPL(aw88395_dev_cfg_load); 1076 1077static int aw_dev_check_cfg_by_hdr(struct aw_device *aw_dev, struct aw_container *aw_cfg) 1078{ 1079 unsigned int end_data_offset; 1080 struct aw_cfg_hdr *cfg_hdr; 1081 struct aw_cfg_dde *cfg_dde; 1082 unsigned int act_data = 0; 1083 unsigned int hdr_ddt_len; 1084 unsigned int i; 1085 u8 act_crc8; 1086 1087 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1088 /* check file type id is awinic acf file */ 1089 if (cfg_hdr->id != ACF_FILE_ID) { 1090 dev_err(aw_dev->dev, "not acf type file"); 1091 return -EINVAL; 1092 } 1093 1094 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size; 1095 if (hdr_ddt_len > aw_cfg->len) { 1096 dev_err(aw_dev->dev, "hdr_len with ddt_len [%d] overflow file size[%d]", 1097 cfg_hdr->hdr_offset, aw_cfg->len); 1098 return -EINVAL; 1099 } 1100 1101 /* check data size */ 1102 cfg_dde = (struct aw_cfg_dde *)((char *)aw_cfg->data + cfg_hdr->hdr_offset); 1103 act_data += hdr_ddt_len; 1104 for (i = 0; i < cfg_hdr->ddt_num; i++) 1105 act_data += cfg_dde[i].data_size; 1106 1107 if (act_data != aw_cfg->len) { 1108 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!", 1109 act_data, aw_cfg->len); 1110 return -EINVAL; 1111 } 1112 1113 for (i = 0; i < cfg_hdr->ddt_num; i++) { 1114 /* data check */ 1115 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size; 1116 if (end_data_offset > aw_cfg->len) { 1117 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]", 1118 i, end_data_offset, aw_cfg->len); 1119 return -EINVAL; 1120 } 1121 1122 /* crc check */ 1123 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset, 1124 cfg_dde[i].data_size, 0); 1125 if (act_crc8 != cfg_dde[i].data_crc) { 1126 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc:0x%x", 1127 i, (u32)act_crc8, cfg_dde[i].data_crc); 1128 return -EINVAL; 1129 } 1130 } 1131 1132 return 0; 1133} 1134 1135static int aw_dev_check_acf_by_hdr_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg) 1136{ 1137 struct aw_cfg_dde_v1 *cfg_dde; 1138 unsigned int end_data_offset; 1139 struct aw_cfg_hdr *cfg_hdr; 1140 unsigned int act_data = 0; 1141 unsigned int hdr_ddt_len; 1142 u8 act_crc8; 1143 int i; 1144 1145 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1146 1147 /* check file type id is awinic acf file */ 1148 if (cfg_hdr->id != ACF_FILE_ID) { 1149 dev_err(aw_dev->dev, "not acf type file"); 1150 return -EINVAL; 1151 } 1152 1153 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size; 1154 if (hdr_ddt_len > aw_cfg->len) { 1155 dev_err(aw_dev->dev, "hdrlen with ddt_len [%d] overflow file size[%d]", 1156 cfg_hdr->hdr_offset, aw_cfg->len); 1157 return -EINVAL; 1158 } 1159 1160 /* check data size */ 1161 cfg_dde = (struct aw_cfg_dde_v1 *)((char *)aw_cfg->data + cfg_hdr->hdr_offset); 1162 act_data += hdr_ddt_len; 1163 for (i = 0; i < cfg_hdr->ddt_num; i++) 1164 act_data += cfg_dde[i].data_size; 1165 1166 if (act_data != aw_cfg->len) { 1167 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!", 1168 act_data, aw_cfg->len); 1169 return -EINVAL; 1170 } 1171 1172 for (i = 0; i < cfg_hdr->ddt_num; i++) { 1173 /* data check */ 1174 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size; 1175 if (end_data_offset > aw_cfg->len) { 1176 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]", 1177 i, end_data_offset, aw_cfg->len); 1178 return -EINVAL; 1179 } 1180 1181 /* crc check */ 1182 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset, 1183 cfg_dde[i].data_size, 0); 1184 if (act_crc8 != cfg_dde[i].data_crc) { 1185 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc 0x%x", 1186 i, (u32)act_crc8, cfg_dde[i].data_crc); 1187 return -EINVAL; 1188 } 1189 } 1190 1191 return 0; 1192} 1193 1194int aw88395_dev_load_acf_check(struct aw_device *aw_dev, struct aw_container *aw_cfg) 1195{ 1196 struct aw_cfg_hdr *cfg_hdr; 1197 1198 if (!aw_cfg) { 1199 dev_err(aw_dev->dev, "aw_prof is NULL"); 1200 return -EINVAL; 1201 } 1202 1203 if (aw_cfg->len < sizeof(struct aw_cfg_hdr)) { 1204 dev_err(aw_dev->dev, "cfg hdr size[%d] overflow file size[%d]", 1205 aw_cfg->len, (int)sizeof(struct aw_cfg_hdr)); 1206 return -EINVAL; 1207 } 1208 1209 crc8_populate_lsb(aw_crc8_table, AW88395_CRC8_POLYNOMIAL); 1210 1211 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data; 1212 switch (cfg_hdr->hdr_version) { 1213 case AW88395_CFG_HDR_VER: 1214 return aw_dev_check_cfg_by_hdr(aw_dev, aw_cfg); 1215 case AW88395_CFG_HDR_VER_V1: 1216 return aw_dev_check_acf_by_hdr_v1(aw_dev, aw_cfg); 1217 default: 1218 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version); 1219 return -EINVAL; 1220 } 1221 1222 return 0; 1223} 1224EXPORT_SYMBOL_GPL(aw88395_dev_load_acf_check); 1225 1226MODULE_DESCRIPTION("AW88395 ACF File Parsing Lib"); 1227MODULE_LICENSE("GPL v2"); 1228