xref: /linux/sound/soc/codecs/aw88395/aw88395_lib.c (revision 4b132aacb0768ac1e652cf517097ea6f237214b9)
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/cleanup.h>
11 #include <linux/crc8.h>
12 #include <linux/i2c.h>
13 #include "aw88395_lib.h"
14 #include "aw88395_device.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 	int ret;
366 	int i;
367 
368 	struct aw_bin *aw_bin __free(kfree) = kzalloc(data_len + sizeof(struct aw_bin),
369 						     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 		return ret;
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 				return -EINVAL;
393 
394 			swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr),
395 					aw_bin->header_info[i].valid_data_len >> 1);
396 
397 			prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].len =
398 					aw_bin->header_info[i].valid_data_len;
399 			prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].data =
400 					data + aw_bin->header_info[i].valid_data_addr;
401 			break;
402 		case DATA_TYPE_DSP_FW:
403 		case DATA_TYPE_SOC_APP:
404 			if (aw_bin->header_info[i].valid_data_len & 0x01)
405 				return -EINVAL;
406 
407 			swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr),
408 					aw_bin->header_info[i].valid_data_len >> 1);
409 
410 			prof_desc->fw_ver = aw_bin->header_info[i].app_version;
411 			prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].len =
412 					aw_bin->header_info[i].valid_data_len;
413 			prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].data =
414 					data + aw_bin->header_info[i].valid_data_addr;
415 			break;
416 		default:
417 			dev_dbg(aw_dev->dev, "bin_data_type not found");
418 			break;
419 		}
420 	}
421 	prof_desc->prof_st = AW88395_PROFILE_OK;
422 
423 	return 0;
424 }
425 
426 static int aw_dev_parse_reg_bin_with_hdr(struct aw_device *aw_dev,
427 			uint8_t *data, uint32_t data_len, struct aw_prof_desc *prof_desc)
428 {
429 	int ret;
430 
431 	struct aw_bin *aw_bin __free(kfree) = kzalloc(data_len + sizeof(*aw_bin),
432 						      GFP_KERNEL);
433 	if (!aw_bin)
434 		return -ENOMEM;
435 
436 	aw_bin->info.len = data_len;
437 	memcpy(aw_bin->info.data, data, data_len);
438 
439 	ret = aw_parsing_bin_file(aw_dev, aw_bin);
440 	if (ret < 0) {
441 		dev_err(aw_dev->dev, "parse bin failed");
442 		return ret;
443 	}
444 
445 	if ((aw_bin->all_bin_parse_num != 1) ||
446 		(aw_bin->header_info[0].bin_data_type != DATA_TYPE_REGISTER)) {
447 		dev_err(aw_dev->dev, "bin num or type error");
448 		return -EINVAL;
449 	}
450 
451 	prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data =
452 				data + aw_bin->header_info[0].valid_data_addr;
453 	prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len =
454 				aw_bin->header_info[0].valid_data_len;
455 	prof_desc->prof_st = AW88395_PROFILE_OK;
456 
457 	return 0;
458 }
459 
460 static int aw_dev_parse_data_by_sec_type(struct aw_device *aw_dev, struct aw_cfg_hdr *cfg_hdr,
461 			struct aw_cfg_dde *cfg_dde, struct aw_prof_desc *scene_prof_desc)
462 {
463 	switch (cfg_dde->data_type) {
464 	case ACF_SEC_TYPE_REG:
465 		return aw_dev_parse_raw_reg((u8 *)cfg_hdr + cfg_dde->data_offset,
466 				cfg_dde->data_size, scene_prof_desc);
467 	case ACF_SEC_TYPE_DSP_CFG:
468 		return aw_dev_parse_raw_dsp_cfg((u8 *)cfg_hdr + cfg_dde->data_offset,
469 				cfg_dde->data_size, scene_prof_desc);
470 	case ACF_SEC_TYPE_DSP_FW:
471 		return aw_dev_parse_raw_dsp_fw(
472 				(u8 *)cfg_hdr + cfg_dde->data_offset,
473 				cfg_dde->data_size, scene_prof_desc);
474 	case ACF_SEC_TYPE_MULTIPLE_BIN:
475 		return aw_dev_prof_parse_multi_bin(
476 				aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset,
477 				cfg_dde->data_size, scene_prof_desc);
478 	case ACF_SEC_TYPE_HDR_REG:
479 		return aw_dev_parse_reg_bin_with_hdr(aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset,
480 				cfg_dde->data_size, scene_prof_desc);
481 	default:
482 		dev_err(aw_dev->dev, "%s cfg_dde->data_type = %d\n", __func__, cfg_dde->data_type);
483 		break;
484 	}
485 
486 	return 0;
487 }
488 
489 static int aw_dev_parse_dev_type(struct aw_device *aw_dev,
490 		struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info)
491 {
492 	struct aw_cfg_dde *cfg_dde =
493 		(struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset);
494 	int sec_num = 0;
495 	int ret, i;
496 
497 	for (i = 0; i < prof_hdr->ddt_num; i++) {
498 		if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
499 		    (aw_dev->i2c->addr == cfg_dde[i].dev_addr) &&
500 		    (cfg_dde[i].type == AW88395_DEV_TYPE_ID) &&
501 		    (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) {
502 			if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) {
503 				dev_err(aw_dev->dev, "dev_profile [%d] overflow",
504 							cfg_dde[i].dev_profile);
505 				return -EINVAL;
506 			}
507 			aw_dev->prof_data_type = cfg_dde[i].data_type;
508 			ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i],
509 					&all_prof_info->prof_desc[cfg_dde[i].dev_profile]);
510 			if (ret < 0) {
511 				dev_err(aw_dev->dev, "parse failed");
512 				return ret;
513 			}
514 			sec_num++;
515 		}
516 	}
517 
518 	if (sec_num == 0) {
519 		dev_dbg(aw_dev->dev, "get dev type num is %d, please use default", sec_num);
520 		return AW88395_DEV_TYPE_NONE;
521 	}
522 
523 	return AW88395_DEV_TYPE_OK;
524 }
525 
526 static int aw_dev_parse_dev_default_type(struct aw_device *aw_dev,
527 		struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info)
528 {
529 	struct aw_cfg_dde *cfg_dde =
530 		(struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset);
531 	int sec_num = 0;
532 	int ret, i;
533 
534 	for (i = 0; i < prof_hdr->ddt_num; i++) {
535 		if ((aw_dev->channel == cfg_dde[i].dev_index) &&
536 		    (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID) &&
537 		    (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) {
538 			if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) {
539 				dev_err(aw_dev->dev, "dev_profile [%d] overflow",
540 					cfg_dde[i].dev_profile);
541 				return -EINVAL;
542 			}
543 			aw_dev->prof_data_type = cfg_dde[i].data_type;
544 			ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i],
545 					&all_prof_info->prof_desc[cfg_dde[i].dev_profile]);
546 			if (ret < 0) {
547 				dev_err(aw_dev->dev, "parse failed");
548 				return ret;
549 			}
550 			sec_num++;
551 		}
552 	}
553 
554 	if (sec_num == 0) {
555 		dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", sec_num);
556 		return -EINVAL;
557 	}
558 
559 	return 0;
560 }
561 
562 static int aw_dev_cfg_get_reg_valid_prof(struct aw_device *aw_dev,
563 				struct aw_all_prof_info *all_prof_info)
564 {
565 	struct aw_prof_desc *prof_desc = all_prof_info->prof_desc;
566 	struct aw_prof_info *prof_info = &aw_dev->prof_info;
567 	int num = 0;
568 	int i;
569 
570 	for (i = 0; i < AW88395_PROFILE_MAX; i++) {
571 		if (prof_desc[i].prof_st == AW88395_PROFILE_OK)
572 			prof_info->count++;
573 	}
574 
575 	dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count);
576 
577 	if (!prof_info->count) {
578 		dev_err(aw_dev->dev, "no profile data");
579 		return -EPERM;
580 	}
581 
582 	prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
583 					prof_info->count, sizeof(struct aw_prof_desc),
584 					GFP_KERNEL);
585 	if (!prof_info->prof_desc)
586 		return -ENOMEM;
587 
588 	for (i = 0; i < AW88395_PROFILE_MAX; i++) {
589 		if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
590 			if (num >= prof_info->count) {
591 				dev_err(aw_dev->dev, "overflow count[%d]",
592 						prof_info->count);
593 				return -EINVAL;
594 			}
595 			prof_info->prof_desc[num] = prof_desc[i];
596 			prof_info->prof_desc[num].id = i;
597 			num++;
598 		}
599 	}
600 
601 	return 0;
602 }
603 
604 static int aw_dev_cfg_get_multiple_valid_prof(struct aw_device *aw_dev,
605 				struct aw_all_prof_info *all_prof_info)
606 {
607 	struct aw_prof_desc *prof_desc = all_prof_info->prof_desc;
608 	struct aw_prof_info *prof_info = &aw_dev->prof_info;
609 	struct aw_sec_data_desc *sec_desc;
610 	int num = 0;
611 	int i;
612 
613 	for (i = 0; i < AW88395_PROFILE_MAX; i++) {
614 		if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
615 			sec_desc = prof_desc[i].sec_desc;
616 			if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) &&
617 			    (sec_desc[AW88395_DATA_TYPE_REG].len != 0) &&
618 			    (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) &&
619 			    (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) &&
620 			    (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) &&
621 			    (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0))
622 				prof_info->count++;
623 		}
624 	}
625 
626 	dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count);
627 
628 	if (!prof_info->count) {
629 		dev_err(aw_dev->dev, "no profile data");
630 		return -EPERM;
631 	}
632 
633 	prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
634 					prof_info->count, sizeof(struct aw_prof_desc),
635 					GFP_KERNEL);
636 	if (!prof_info->prof_desc)
637 		return -ENOMEM;
638 
639 	for (i = 0; i < AW88395_PROFILE_MAX; i++) {
640 		if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
641 			sec_desc = prof_desc[i].sec_desc;
642 			if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) &&
643 			    (sec_desc[AW88395_DATA_TYPE_REG].len != 0) &&
644 			    (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) &&
645 			    (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) &&
646 			    (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) &&
647 			    (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0)) {
648 				if (num >= prof_info->count) {
649 					dev_err(aw_dev->dev, "overflow count[%d]",
650 							prof_info->count);
651 					return -EINVAL;
652 				}
653 				prof_info->prof_desc[num] = prof_desc[i];
654 				prof_info->prof_desc[num].id = i;
655 				num++;
656 			}
657 		}
658 	}
659 
660 	return 0;
661 }
662 
663 static int aw_dev_load_cfg_by_hdr(struct aw_device *aw_dev,
664 		struct aw_cfg_hdr *prof_hdr)
665 {
666 	int ret;
667 
668 	struct aw_all_prof_info *all_prof_info __free(kfree) = kzalloc(sizeof(*all_prof_info),
669 								       GFP_KERNEL);
670 	if (!all_prof_info)
671 		return -ENOMEM;
672 
673 	ret = aw_dev_parse_dev_type(aw_dev, prof_hdr, all_prof_info);
674 	if (ret < 0) {
675 		return ret;
676 	} else if (ret == AW88395_DEV_TYPE_NONE) {
677 		dev_dbg(aw_dev->dev, "get dev type num is 0, parse default dev");
678 		ret = aw_dev_parse_dev_default_type(aw_dev, prof_hdr, all_prof_info);
679 		if (ret < 0)
680 			return ret;
681 	}
682 
683 	switch (aw_dev->prof_data_type) {
684 	case ACF_SEC_TYPE_MULTIPLE_BIN:
685 		ret = aw_dev_cfg_get_multiple_valid_prof(aw_dev, all_prof_info);
686 		break;
687 	case ACF_SEC_TYPE_HDR_REG:
688 		ret = aw_dev_cfg_get_reg_valid_prof(aw_dev, all_prof_info);
689 		break;
690 	default:
691 		dev_err(aw_dev->dev, "unsupport data type\n");
692 		ret = -EINVAL;
693 		break;
694 	}
695 	if (!ret)
696 		aw_dev->prof_info.prof_name_list = profile_name;
697 
698 	return ret;
699 }
700 
701 static int aw_dev_create_prof_name_list_v1(struct aw_device *aw_dev)
702 {
703 	struct aw_prof_info *prof_info = &aw_dev->prof_info;
704 	struct aw_prof_desc *prof_desc = prof_info->prof_desc;
705 	int i;
706 
707 	if (!prof_desc) {
708 		dev_err(aw_dev->dev, "prof_desc is NULL");
709 		return -EINVAL;
710 	}
711 
712 	prof_info->prof_name_list = devm_kzalloc(aw_dev->dev,
713 					prof_info->count * PROFILE_STR_MAX,
714 					GFP_KERNEL);
715 	if (!prof_info->prof_name_list)
716 		return -ENOMEM;
717 
718 	for (i = 0; i < prof_info->count; i++) {
719 		prof_desc[i].id = i;
720 		prof_info->prof_name_list[i] = prof_desc[i].prf_str;
721 		dev_dbg(aw_dev->dev, "prof name is %s", prof_info->prof_name_list[i]);
722 	}
723 
724 	return 0;
725 }
726 
727 static int aw_get_dde_type_info(struct aw_device *aw_dev, struct aw_container *aw_cfg)
728 {
729 	struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
730 	struct aw_cfg_dde_v1 *cfg_dde =
731 		(struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
732 	int default_num = 0;
733 	int dev_num = 0;
734 	unsigned int i;
735 
736 	for (i = 0; i < cfg_hdr->ddt_num; i++) {
737 		if (cfg_dde[i].type == AW88395_DEV_TYPE_ID)
738 			dev_num++;
739 
740 		if (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID)
741 			default_num++;
742 	}
743 
744 	if (dev_num != 0) {
745 		aw_dev->prof_info.prof_type = AW88395_DEV_TYPE_ID;
746 	} else if (default_num != 0) {
747 		aw_dev->prof_info.prof_type = AW88395_DEV_DEFAULT_TYPE_ID;
748 	} else {
749 		dev_err(aw_dev->dev, "can't find scene");
750 		return -EINVAL;
751 	}
752 
753 	return 0;
754 }
755 
756 static int aw_get_dev_scene_count_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg,
757 						unsigned int *scene_num)
758 {
759 	struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
760 	struct aw_cfg_dde_v1 *cfg_dde =
761 		(struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
762 	unsigned int i;
763 
764 	for (i = 0; i < cfg_hdr->ddt_num; ++i) {
765 		if (((cfg_dde[i].data_type == ACF_SEC_TYPE_REG) ||
766 		     (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG) ||
767 		     (cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN)) &&
768 		    (aw_dev->chip_id == cfg_dde[i].chip_id) &&
769 		    (aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
770 		    (aw_dev->i2c->addr == cfg_dde[i].dev_addr))
771 			(*scene_num)++;
772 	}
773 
774 	if ((*scene_num) == 0) {
775 		dev_err(aw_dev->dev, "failed to obtain scene, scenu_num = %d\n", (*scene_num));
776 		return -EINVAL;
777 	}
778 
779 	return 0;
780 }
781 
782 static int aw_get_default_scene_count_v1(struct aw_device *aw_dev,
783 						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 
791 
792 	for (i = 0; i < cfg_hdr->ddt_num; ++i) {
793 		if (((cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN) ||
794 		     (cfg_dde[i].data_type == ACF_SEC_TYPE_REG) ||
795 		     (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG)) &&
796 		    (aw_dev->chip_id == cfg_dde[i].chip_id) &&
797 		    (aw_dev->channel == cfg_dde[i].dev_index))
798 			(*scene_num)++;
799 	}
800 
801 	if ((*scene_num) == 0) {
802 		dev_err(aw_dev->dev, "failed to obtain scene, scenu_num = %d\n", (*scene_num));
803 		return -EINVAL;
804 	}
805 
806 	return 0;
807 }
808 
809 static int aw_dev_parse_scene_count_v1(struct aw_device *aw_dev,
810 							struct aw_container *aw_cfg,
811 							unsigned int *count)
812 {
813 	int ret;
814 
815 	ret = aw_get_dde_type_info(aw_dev, aw_cfg);
816 	if (ret < 0)
817 		return ret;
818 
819 	switch (aw_dev->prof_info.prof_type) {
820 	case AW88395_DEV_TYPE_ID:
821 		ret = aw_get_dev_scene_count_v1(aw_dev, aw_cfg, count);
822 		break;
823 	case AW88395_DEV_DEFAULT_TYPE_ID:
824 		ret = aw_get_default_scene_count_v1(aw_dev, aw_cfg, count);
825 		break;
826 	default:
827 		dev_err(aw_dev->dev, "unsupported prof_type[%x]", aw_dev->prof_info.prof_type);
828 		ret = -EINVAL;
829 		break;
830 	}
831 
832 	return ret;
833 }
834 
835 static int aw_dev_parse_data_by_sec_type_v1(struct aw_device *aw_dev,
836 							struct aw_cfg_hdr *prof_hdr,
837 							struct aw_cfg_dde_v1 *cfg_dde,
838 							int *cur_scene_id)
839 {
840 	struct aw_prof_info *prof_info = &aw_dev->prof_info;
841 	int ret;
842 
843 	switch (cfg_dde->data_type) {
844 	case ACF_SEC_TYPE_MULTIPLE_BIN:
845 		ret = aw_dev_prof_parse_multi_bin(aw_dev, (u8 *)prof_hdr + cfg_dde->data_offset,
846 					cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]);
847 		if (ret < 0) {
848 			dev_err(aw_dev->dev, "parse multi bin failed");
849 			return ret;
850 		}
851 		prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str;
852 		prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile;
853 		(*cur_scene_id)++;
854 		break;
855 	case ACF_SEC_TYPE_HDR_REG:
856 		ret =  aw_dev_parse_reg_bin_with_hdr(aw_dev,
857 				(uint8_t *)prof_hdr + cfg_dde->data_offset,
858 				cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]);
859 		if (ret < 0) {
860 			dev_err(aw_dev->dev, "parse reg bin with hdr failed");
861 			return ret;
862 		}
863 		prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str;
864 		prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile;
865 		(*cur_scene_id)++;
866 		break;
867 	default:
868 		dev_err(aw_dev->dev, "unsupported SEC_TYPE [%d]", cfg_dde->data_type);
869 		return -EINVAL;
870 	}
871 
872 	return 0;
873 }
874 
875 static int aw_dev_parse_dev_type_v1(struct aw_device *aw_dev,
876 		struct aw_cfg_hdr *prof_hdr)
877 {
878 	struct aw_cfg_dde_v1 *cfg_dde =
879 		(struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset);
880 	int cur_scene_id = 0;
881 	unsigned int i;
882 	int ret;
883 
884 	for (i = 0; i < prof_hdr->ddt_num; i++) {
885 		if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
886 		    (aw_dev->i2c->addr == cfg_dde[i].dev_addr) &&
887 		    (aw_dev->chip_id == cfg_dde[i].chip_id)) {
888 			ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr,
889 							&cfg_dde[i], &cur_scene_id);
890 			if (ret < 0) {
891 				dev_err(aw_dev->dev, "parse failed");
892 				return ret;
893 			}
894 		}
895 	}
896 
897 	if (cur_scene_id == 0) {
898 		dev_err(aw_dev->dev, "get dev type failed, get num [%d]", cur_scene_id);
899 		return -EINVAL;
900 	}
901 
902 	return 0;
903 }
904 
905 static int aw_dev_parse_default_type_v1(struct aw_device *aw_dev,
906 		struct aw_cfg_hdr *prof_hdr)
907 {
908 	struct aw_cfg_dde_v1 *cfg_dde =
909 		(struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset);
910 	int cur_scene_id = 0;
911 	unsigned int i;
912 	int ret;
913 
914 	for (i = 0; i < prof_hdr->ddt_num; i++) {
915 		if ((aw_dev->channel == cfg_dde[i].dev_index) &&
916 			(aw_dev->chip_id == cfg_dde[i].chip_id)) {
917 			ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr,
918 							&cfg_dde[i], &cur_scene_id);
919 			if (ret < 0) {
920 				dev_err(aw_dev->dev, "parse failed");
921 				return ret;
922 			}
923 		}
924 	}
925 
926 	if (cur_scene_id == 0) {
927 		dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", cur_scene_id);
928 		return -EINVAL;
929 	}
930 
931 	return 0;
932 }
933 
934 static int aw_dev_parse_by_hdr_v1(struct aw_device *aw_dev,
935 		struct aw_cfg_hdr *cfg_hdr)
936 {
937 	int ret;
938 
939 	switch (aw_dev->prof_info.prof_type) {
940 	case AW88395_DEV_TYPE_ID:
941 		ret = aw_dev_parse_dev_type_v1(aw_dev, cfg_hdr);
942 		break;
943 	case AW88395_DEV_DEFAULT_TYPE_ID:
944 		ret = aw_dev_parse_default_type_v1(aw_dev, cfg_hdr);
945 		break;
946 	default:
947 		dev_err(aw_dev->dev, "prof type matched failed, get num[%d]",
948 			aw_dev->prof_info.prof_type);
949 		ret =  -EINVAL;
950 		break;
951 	}
952 
953 	return ret;
954 }
955 
956 static int aw_dev_load_cfg_by_hdr_v1(struct aw_device *aw_dev,
957 						struct aw_container *aw_cfg)
958 {
959 	struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
960 	struct aw_prof_info *prof_info = &aw_dev->prof_info;
961 	int ret;
962 
963 	ret = aw_dev_parse_scene_count_v1(aw_dev, aw_cfg, &prof_info->count);
964 	if (ret < 0) {
965 		dev_err(aw_dev->dev, "get scene count failed");
966 		return ret;
967 	}
968 
969 	prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
970 					prof_info->count, sizeof(struct aw_prof_desc),
971 					GFP_KERNEL);
972 	if (!prof_info->prof_desc)
973 		return -ENOMEM;
974 
975 	ret = aw_dev_parse_by_hdr_v1(aw_dev, cfg_hdr);
976 	if (ret < 0) {
977 		dev_err(aw_dev->dev, "parse hdr failed");
978 		return ret;
979 	}
980 
981 	ret = aw_dev_create_prof_name_list_v1(aw_dev);
982 	if (ret < 0) {
983 		dev_err(aw_dev->dev, "create prof name list failed");
984 		return ret;
985 	}
986 
987 	return 0;
988 }
989 
990 int aw88395_dev_cfg_load(struct aw_device *aw_dev, struct aw_container *aw_cfg)
991 {
992 	struct aw_cfg_hdr *cfg_hdr;
993 	int ret;
994 
995 	cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
996 
997 	switch (cfg_hdr->hdr_version) {
998 	case AW88395_CFG_HDR_VER:
999 		ret = aw_dev_load_cfg_by_hdr(aw_dev, cfg_hdr);
1000 		if (ret < 0) {
1001 			dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed",
1002 						cfg_hdr->hdr_version);
1003 			return ret;
1004 		}
1005 		break;
1006 	case AW88395_CFG_HDR_VER_V1:
1007 		ret = aw_dev_load_cfg_by_hdr_v1(aw_dev, aw_cfg);
1008 		if (ret < 0) {
1009 			dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed",
1010 						cfg_hdr->hdr_version);
1011 			return ret;
1012 		}
1013 		break;
1014 	default:
1015 		dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version);
1016 		return -EINVAL;
1017 	}
1018 	aw_dev->fw_status = AW88395_DEV_FW_OK;
1019 
1020 	return 0;
1021 }
1022 EXPORT_SYMBOL_GPL(aw88395_dev_cfg_load);
1023 
1024 static int aw_dev_check_cfg_by_hdr(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1025 {
1026 	unsigned int end_data_offset;
1027 	struct aw_cfg_hdr *cfg_hdr;
1028 	struct aw_cfg_dde *cfg_dde;
1029 	unsigned int act_data = 0;
1030 	unsigned int hdr_ddt_len;
1031 	unsigned int i;
1032 	u8 act_crc8;
1033 
1034 	cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1035 	/* check file type id is awinic acf file */
1036 	if (cfg_hdr->id != ACF_FILE_ID) {
1037 		dev_err(aw_dev->dev, "not acf type file");
1038 		return -EINVAL;
1039 	}
1040 
1041 	hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size;
1042 	if (hdr_ddt_len > aw_cfg->len) {
1043 		dev_err(aw_dev->dev, "hdr_len with ddt_len [%d] overflow file size[%d]",
1044 		cfg_hdr->hdr_offset, aw_cfg->len);
1045 		return -EINVAL;
1046 	}
1047 
1048 	/* check data size */
1049 	cfg_dde = (struct aw_cfg_dde *)((char *)aw_cfg->data + cfg_hdr->hdr_offset);
1050 	act_data += hdr_ddt_len;
1051 	for (i = 0; i < cfg_hdr->ddt_num; i++)
1052 		act_data += cfg_dde[i].data_size;
1053 
1054 	if (act_data != aw_cfg->len) {
1055 		dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!",
1056 			act_data, aw_cfg->len);
1057 		return -EINVAL;
1058 	}
1059 
1060 	for (i = 0; i < cfg_hdr->ddt_num; i++) {
1061 		/* data check */
1062 		end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size;
1063 		if (end_data_offset > aw_cfg->len) {
1064 			dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]",
1065 				i, end_data_offset, aw_cfg->len);
1066 			return -EINVAL;
1067 		}
1068 
1069 		/* crc check */
1070 		act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset,
1071 							cfg_dde[i].data_size, 0);
1072 		if (act_crc8 != cfg_dde[i].data_crc) {
1073 			dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc:0x%x",
1074 				i, (u32)act_crc8, cfg_dde[i].data_crc);
1075 			return -EINVAL;
1076 		}
1077 	}
1078 
1079 	return 0;
1080 }
1081 
1082 static int aw_dev_check_acf_by_hdr_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1083 {
1084 	struct aw_cfg_dde_v1 *cfg_dde;
1085 	unsigned int end_data_offset;
1086 	struct aw_cfg_hdr *cfg_hdr;
1087 	unsigned int act_data = 0;
1088 	unsigned int hdr_ddt_len;
1089 	u8 act_crc8;
1090 	int i;
1091 
1092 	cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1093 
1094 	/* check file type id is awinic acf file */
1095 	if (cfg_hdr->id != ACF_FILE_ID) {
1096 		dev_err(aw_dev->dev, "not acf type file");
1097 		return -EINVAL;
1098 	}
1099 
1100 	hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size;
1101 	if (hdr_ddt_len > aw_cfg->len) {
1102 		dev_err(aw_dev->dev, "hdrlen with ddt_len [%d] overflow file size[%d]",
1103 		cfg_hdr->hdr_offset, aw_cfg->len);
1104 		return -EINVAL;
1105 	}
1106 
1107 	/* check data size */
1108 	cfg_dde = (struct aw_cfg_dde_v1 *)((char *)aw_cfg->data + cfg_hdr->hdr_offset);
1109 	act_data += hdr_ddt_len;
1110 	for (i = 0; i < cfg_hdr->ddt_num; i++)
1111 		act_data += cfg_dde[i].data_size;
1112 
1113 	if (act_data != aw_cfg->len) {
1114 		dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!",
1115 			act_data, aw_cfg->len);
1116 		return -EINVAL;
1117 	}
1118 
1119 	for (i = 0; i < cfg_hdr->ddt_num; i++) {
1120 		/* data check */
1121 		end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size;
1122 		if (end_data_offset > aw_cfg->len) {
1123 			dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]",
1124 				i, end_data_offset, aw_cfg->len);
1125 			return -EINVAL;
1126 		}
1127 
1128 		/* crc check */
1129 		act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset,
1130 									cfg_dde[i].data_size, 0);
1131 		if (act_crc8 != cfg_dde[i].data_crc) {
1132 			dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc 0x%x",
1133 				i, (u32)act_crc8, cfg_dde[i].data_crc);
1134 			return -EINVAL;
1135 		}
1136 	}
1137 
1138 	return 0;
1139 }
1140 
1141 int aw88395_dev_load_acf_check(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1142 {
1143 	struct aw_cfg_hdr *cfg_hdr;
1144 
1145 	if (!aw_cfg) {
1146 		dev_err(aw_dev->dev, "aw_prof is NULL");
1147 		return -EINVAL;
1148 	}
1149 
1150 	if (aw_cfg->len < sizeof(struct aw_cfg_hdr)) {
1151 		dev_err(aw_dev->dev, "cfg hdr size[%d] overflow file size[%d]",
1152 			aw_cfg->len, (int)sizeof(struct aw_cfg_hdr));
1153 		return -EINVAL;
1154 	}
1155 
1156 	crc8_populate_lsb(aw_crc8_table, AW88395_CRC8_POLYNOMIAL);
1157 
1158 	cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1159 	switch (cfg_hdr->hdr_version) {
1160 	case AW88395_CFG_HDR_VER:
1161 		return aw_dev_check_cfg_by_hdr(aw_dev, aw_cfg);
1162 	case AW88395_CFG_HDR_VER_V1:
1163 		return aw_dev_check_acf_by_hdr_v1(aw_dev, aw_cfg);
1164 	default:
1165 		dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version);
1166 		return -EINVAL;
1167 	}
1168 
1169 	return 0;
1170 }
1171 EXPORT_SYMBOL_GPL(aw88395_dev_load_acf_check);
1172 
1173 MODULE_DESCRIPTION("AW88395 ACF File Parsing Lib");
1174 MODULE_LICENSE("GPL v2");
1175