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

source code of linux/sound/soc/codecs/aw88395/aw88395_lib.c