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