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
17 DECLARE_CRC8_TABLE(aw_crc8_table);
18 
19 static char *profile_name[AW88395_PROFILE_MAX] = {
20 	"Music", "Voice", "Voip", "Ringtone",
21 	"Ringtone_hs", "Lowpower", "Bypass",
22 	"Mmi", "Fm", "Notification", "Receiver"
23 };
24 
25 static int aw_parse_bin_header(struct aw_device *aw_dev, struct aw_bin *bin);
26 
27 static 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 
53 static 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 
64 static 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 
91 static 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 
122 static 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 
151 static 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 
159 static 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 
190 static 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 
212 static 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 
247 static 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 
263 static 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 
319 static 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 
330 static 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 
346 static 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 
362 static 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 
428 parse_bin_failed:
429 	devm_kfree(aw_dev->dev, aw_bin);
430 	return ret;
431 }
432 
433 static 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 
476 parse_bin_failed:
477 	devm_kfree(aw_dev->dev, aw_bin);
478 	aw_bin = NULL;
479 	return ret;
480 }
481 
482 static 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 
511 static 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 
548 static 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 
583 static 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 
625 static 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 
684 static 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 
723 exit:
724 	devm_kfree(aw_dev->dev, all_prof_info);
725 	return ret;
726 }
727 
728 static 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 
754 static 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 
783 static 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 
823 static 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 
862 static 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 
888 static 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 
928 static 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 
958 static 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 
987 static 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 
1009 static 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 
1043 int 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 }
1075 EXPORT_SYMBOL_GPL(aw88395_dev_cfg_load);
1076 
1077 static 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 
1135 static 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 
1194 int 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 }
1224 EXPORT_SYMBOL_GPL(aw88395_dev_load_acf_check);
1225 
1226 MODULE_DESCRIPTION("AW88395 ACF File Parsing Lib");
1227 MODULE_LICENSE("GPL v2");
1228