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Merge tag 'kvm-x86-misc-6.7' of https://github.com/kvm-x86/linux into HEAD
[thirdparty/kernel/stable.git] / sound / soc / codecs / aw88395 / aw88395_lib.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // aw88395_lib.c -- ACF bin parsing and check library file for aw88395
4 //
5 // Copyright (c) 2022-2023 AWINIC Technology CO., LTD
6 //
7 // Author: Bruce zhao <zhaolei@awinic.com>
8 //
9
10 #include <linux/crc8.h>
11 #include <linux/i2c.h>
12 #include "aw88395_lib.h"
13 #include "aw88395_device.h"
14 #include "aw88395_reg.h"
15
16 #define AW88395_CRC8_POLYNOMIAL 0x8C
17 DECLARE_CRC8_TABLE(aw_crc8_table);
18
19 static char *profile_name[AW88395_PROFILE_MAX] = {
20 "Music", "Voice", "Voip", "Ringtone",
21 "Ringtone_hs", "Lowpower", "Bypass",
22 "Mmi", "Fm", "Notification", "Receiver"
23 };
24
25 static int aw_parse_bin_header(struct aw_device *aw_dev, struct aw_bin *bin);
26
27 static int aw_check_sum(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num)
28 {
29 unsigned char *p_check_sum;
30 unsigned int sum_data = 0;
31 unsigned int check_sum;
32 unsigned int i, len;
33
34 p_check_sum = &(bin->info.data[(bin->header_info[bin_num].valid_data_addr -
35 bin->header_info[bin_num].header_len)]);
36 len = bin->header_info[bin_num].bin_data_len + bin->header_info[bin_num].header_len;
37 check_sum = le32_to_cpup((void *)p_check_sum);
38
39 for (i = 4; i < len; i++)
40 sum_data += *(p_check_sum + i);
41
42 dev_dbg(aw_dev->dev, "%s -- check_sum = %p, check_sum = 0x%x, sum_data = 0x%x",
43 __func__, p_check_sum, check_sum, sum_data);
44 if (sum_data != check_sum) {
45 dev_err(aw_dev->dev, "%s. CheckSum Fail.bin_num=%d, CheckSum:0x%x, SumData:0x%x",
46 __func__, bin_num, check_sum, sum_data);
47 return -EINVAL;
48 }
49
50 return 0;
51 }
52
53 static int aw_check_data_version(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num)
54 {
55 if (bin->header_info[bin_num].bin_data_ver < DATA_VERSION_V1 ||
56 bin->header_info[bin_num].bin_data_ver > DATA_VERSION_MAX) {
57 dev_err(aw_dev->dev, "aw_bin_parse Unrecognized this bin data version\n");
58 return -EINVAL;
59 }
60
61 return 0;
62 }
63
64 static int aw_check_register_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num)
65 {
66 struct bin_header_info temp_info = bin->header_info[bin_num];
67 unsigned int check_register_num, parse_register_num;
68 unsigned char *p_check_sum;
69
70 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]);
71
72 parse_register_num = le32_to_cpup((void *)p_check_sum);
73 check_register_num = (bin->header_info[bin_num].bin_data_len - CHECK_REGISTER_NUM_OFFSET) /
74 (bin->header_info[bin_num].reg_byte_len +
75 bin->header_info[bin_num].data_byte_len);
76 dev_dbg(aw_dev->dev, "%s,parse_register_num = 0x%x,check_register_num = 0x%x\n",
77 __func__, parse_register_num, check_register_num);
78 if (parse_register_num != check_register_num) {
79 dev_err(aw_dev->dev, "%s parse_register_num = 0x%x,check_register_num = 0x%x\n",
80 __func__, parse_register_num, check_register_num);
81 return -EINVAL;
82 }
83
84 bin->header_info[bin_num].reg_num = parse_register_num;
85 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - VALID_DATA_LEN;
86 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr + VALID_DATA_ADDR;
87
88 return 0;
89 }
90
91 static int aw_check_dsp_reg_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num)
92 {
93 struct bin_header_info temp_info = bin->header_info[bin_num];
94 unsigned int check_dsp_reg_num, parse_dsp_reg_num;
95 unsigned char *p_check_sum;
96
97 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]);
98
99 parse_dsp_reg_num = le32_to_cpup((void *)(p_check_sum + PARSE_DSP_REG_NUM));
100 bin->header_info[bin_num].reg_data_byte_len =
101 le32_to_cpup((void *)(p_check_sum + REG_DATA_BYTP_LEN));
102 check_dsp_reg_num = (bin->header_info[bin_num].bin_data_len - CHECK_DSP_REG_NUM) /
103 bin->header_info[bin_num].reg_data_byte_len;
104 dev_dbg(aw_dev->dev, "%s bin_num = %d, parse_dsp_reg_num = 0x%x, check_dsp_reg_num = 0x%x",
105 __func__, bin_num, check_dsp_reg_num, check_dsp_reg_num);
106 if (parse_dsp_reg_num != check_dsp_reg_num) {
107 dev_err(aw_dev->dev, "aw_bin_parse check dsp reg num error\n");
108 dev_err(aw_dev->dev, "%s parse_dsp_reg_num = 0x%x, check_dsp_reg_num = 0x%x",
109 __func__, check_dsp_reg_num, check_dsp_reg_num);
110 return -EINVAL;
111 }
112
113 bin->header_info[bin_num].download_addr = le32_to_cpup((void *)p_check_sum);
114 bin->header_info[bin_num].reg_num = parse_dsp_reg_num;
115 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - DSP_VALID_DATA_LEN;
116 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr +
117 DSP_VALID_DATA_ADDR;
118
119 return 0;
120 }
121
122 static int aw_check_soc_app_num(struct aw_device *aw_dev, struct aw_bin *bin, int bin_num)
123 {
124 struct bin_header_info temp_info = bin->header_info[bin_num];
125 unsigned int check_soc_app_num, parse_soc_app_num;
126 unsigned char *p_check_sum;
127
128 p_check_sum = &(bin->info.data[(temp_info.valid_data_addr)]);
129
130 bin->header_info[bin_num].app_version = le32_to_cpup((void *)p_check_sum);
131 parse_soc_app_num = le32_to_cpup((void *)(p_check_sum + PARSE_SOC_APP_NUM));
132 check_soc_app_num = bin->header_info[bin_num].bin_data_len - CHECK_SOC_APP_NUM;
133 dev_dbg(aw_dev->dev, "%s bin_num = %d, parse_soc_app_num=0x%x, check_soc_app_num = 0x%x\n",
134 __func__, bin_num, parse_soc_app_num, check_soc_app_num);
135 if (parse_soc_app_num != check_soc_app_num) {
136 dev_err(aw_dev->dev, "%s parse_soc_app_num=0x%x, check_soc_app_num = 0x%x\n",
137 __func__, parse_soc_app_num, check_soc_app_num);
138 return -EINVAL;
139 }
140
141 bin->header_info[bin_num].reg_num = parse_soc_app_num;
142 bin->header_info[bin_num].download_addr = le32_to_cpup((void *)(p_check_sum +
143 APP_DOWNLOAD_ADDR));
144 bin->header_info[bin_num].valid_data_len = temp_info.bin_data_len - APP_VALID_DATA_LEN;
145 bin->header_info[bin_num].valid_data_addr = temp_info.valid_data_addr +
146 APP_VALID_DATA_ADDR;
147
148 return 0;
149 }
150
151 static void aw_get_single_bin_header(struct aw_bin *bin)
152 {
153 memcpy((void *)&bin->header_info[bin->all_bin_parse_num], bin->p_addr, DATA_LEN);
154
155 bin->header_info[bin->all_bin_parse_num].header_len = HEADER_LEN;
156 bin->all_bin_parse_num += 1;
157 }
158
159 static int aw_parse_one_of_multi_bins(struct aw_device *aw_dev, unsigned int bin_num,
160 int bin_serial_num, struct aw_bin *bin)
161 {
162 struct bin_header_info aw_bin_header_info;
163 unsigned int bin_start_addr;
164 unsigned int valid_data_len;
165
166 if (bin->info.len < sizeof(struct bin_header_info)) {
167 dev_err(aw_dev->dev, "bin_header_info size[%d] overflow file size[%d]\n",
168 (int)sizeof(struct bin_header_info), bin->info.len);
169 return -EINVAL;
170 }
171
172 aw_bin_header_info = bin->header_info[bin->all_bin_parse_num - 1];
173 if (!bin_serial_num) {
174 bin_start_addr = le32_to_cpup((void *)(bin->p_addr + START_ADDR_OFFSET));
175 bin->p_addr += (HEADER_LEN + bin_start_addr);
176 bin->header_info[bin->all_bin_parse_num].valid_data_addr =
177 aw_bin_header_info.valid_data_addr + VALID_DATA_ADDR + 8 * bin_num +
178 VALID_DATA_ADDR_OFFSET;
179 } else {
180 valid_data_len = aw_bin_header_info.bin_data_len;
181 bin->p_addr += (HDADER_LEN + valid_data_len);
182 bin->header_info[bin->all_bin_parse_num].valid_data_addr =
183 aw_bin_header_info.valid_data_addr + aw_bin_header_info.bin_data_len +
184 VALID_DATA_ADDR_OFFSET;
185 }
186
187 return aw_parse_bin_header(aw_dev, bin);
188 }
189
190 static int aw_get_multi_bin_header(struct aw_device *aw_dev, struct aw_bin *bin)
191 {
192 unsigned int bin_num, i;
193 int ret;
194
195 bin_num = le32_to_cpup((void *)(bin->p_addr + VALID_DATA_ADDR_OFFSET));
196 if (bin->multi_bin_parse_num == 1)
197 bin->header_info[bin->all_bin_parse_num].valid_data_addr =
198 VALID_DATA_ADDR_OFFSET;
199
200 aw_get_single_bin_header(bin);
201
202 for (i = 0; i < bin_num; i++) {
203 dev_dbg(aw_dev->dev, "aw_bin_parse enter multi bin for is %d\n", i);
204 ret = aw_parse_one_of_multi_bins(aw_dev, bin_num, i, bin);
205 if (ret < 0)
206 return ret;
207 }
208
209 return 0;
210 }
211
212 static int aw_parse_bin_header(struct aw_device *aw_dev, struct aw_bin *bin)
213 {
214 unsigned int bin_data_type;
215
216 if (bin->info.len < sizeof(struct bin_header_info)) {
217 dev_err(aw_dev->dev, "bin_header_info size[%d] overflow file size[%d]\n",
218 (int)sizeof(struct bin_header_info), bin->info.len);
219 return -EINVAL;
220 }
221
222 bin_data_type = le32_to_cpup((void *)(bin->p_addr + BIN_DATA_TYPE_OFFSET));
223 dev_dbg(aw_dev->dev, "aw_bin_parse bin_data_type 0x%x\n", bin_data_type);
224 switch (bin_data_type) {
225 case DATA_TYPE_REGISTER:
226 case DATA_TYPE_DSP_REG:
227 case DATA_TYPE_SOC_APP:
228 bin->single_bin_parse_num += 1;
229 dev_dbg(aw_dev->dev, "%s bin->single_bin_parse_num is %d\n", __func__,
230 bin->single_bin_parse_num);
231 if (!bin->multi_bin_parse_num)
232 bin->header_info[bin->all_bin_parse_num].valid_data_addr =
233 VALID_DATA_ADDR_OFFSET;
234 aw_get_single_bin_header(bin);
235 return 0;
236 case DATA_TYPE_MULTI_BINS:
237 bin->multi_bin_parse_num += 1;
238 dev_dbg(aw_dev->dev, "%s bin->multi_bin_parse_num is %d\n", __func__,
239 bin->multi_bin_parse_num);
240 return aw_get_multi_bin_header(aw_dev, bin);
241 default:
242 dev_dbg(aw_dev->dev, "%s There is no corresponding type\n", __func__);
243 return 0;
244 }
245 }
246
247 static int aw_check_bin_header_version(struct aw_device *aw_dev, struct aw_bin *bin)
248 {
249 unsigned int header_version;
250
251 header_version = le32_to_cpup((void *)(bin->p_addr + HEADER_VERSION_OFFSET));
252 dev_dbg(aw_dev->dev, "aw_bin_parse header_version 0x%x\n", header_version);
253
254 switch (header_version) {
255 case HEADER_VERSION_V1:
256 return aw_parse_bin_header(aw_dev, bin);
257 default:
258 dev_err(aw_dev->dev, "aw_bin_parse Unrecognized this bin header version\n");
259 return -EINVAL;
260 }
261 }
262
263 static int aw_parsing_bin_file(struct aw_device *aw_dev, struct aw_bin *bin)
264 {
265 int ret = -EINVAL;
266 int i;
267
268 if (!bin) {
269 dev_err(aw_dev->dev, "aw_bin_parse bin is NULL\n");
270 return ret;
271 }
272 bin->p_addr = bin->info.data;
273 bin->all_bin_parse_num = 0;
274 bin->multi_bin_parse_num = 0;
275 bin->single_bin_parse_num = 0;
276
277 ret = aw_check_bin_header_version(aw_dev, bin);
278 if (ret < 0) {
279 dev_err(aw_dev->dev, "aw_bin_parse check bin header version error\n");
280 return ret;
281 }
282
283 for (i = 0; i < bin->all_bin_parse_num; i++) {
284 ret = aw_check_sum(aw_dev, bin, i);
285 if (ret < 0) {
286 dev_err(aw_dev->dev, "aw_bin_parse check sum data error\n");
287 return ret;
288 }
289 ret = aw_check_data_version(aw_dev, bin, i);
290 if (ret < 0) {
291 dev_err(aw_dev->dev, "aw_bin_parse check data version error\n");
292 return ret;
293 }
294 if (bin->header_info[i].bin_data_ver == DATA_VERSION_V1) {
295 switch (bin->header_info[i].bin_data_type) {
296 case DATA_TYPE_REGISTER:
297 ret = aw_check_register_num(aw_dev, bin, i);
298 break;
299 case DATA_TYPE_DSP_REG:
300 ret = aw_check_dsp_reg_num(aw_dev, bin, i);
301 break;
302 case DATA_TYPE_SOC_APP:
303 ret = aw_check_soc_app_num(aw_dev, bin, i);
304 break;
305 default:
306 bin->header_info[i].valid_data_len =
307 bin->header_info[i].bin_data_len;
308 ret = 0;
309 break;
310 }
311 if (ret < 0)
312 return ret;
313 }
314 }
315
316 return 0;
317 }
318
319 static int aw_dev_parse_raw_reg(unsigned char *data, unsigned int data_len,
320 struct aw_prof_desc *prof_desc)
321 {
322 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data = data;
323 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len = data_len;
324
325 prof_desc->prof_st = AW88395_PROFILE_OK;
326
327 return 0;
328 }
329
330 static int aw_dev_parse_raw_dsp_cfg(unsigned char *data, unsigned int data_len,
331 struct aw_prof_desc *prof_desc)
332 {
333 if (data_len & 0x01)
334 return -EINVAL;
335
336 swab16_array((u16 *)data, data_len >> 1);
337
338 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].data = data;
339 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].len = data_len;
340
341 prof_desc->prof_st = AW88395_PROFILE_OK;
342
343 return 0;
344 }
345
346 static int aw_dev_parse_raw_dsp_fw(unsigned char *data, unsigned int data_len,
347 struct aw_prof_desc *prof_desc)
348 {
349 if (data_len & 0x01)
350 return -EINVAL;
351
352 swab16_array((u16 *)data, data_len >> 1);
353
354 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].data = data;
355 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].len = data_len;
356
357 prof_desc->prof_st = AW88395_PROFILE_OK;
358
359 return 0;
360 }
361
362 static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *data,
363 unsigned int data_len, struct aw_prof_desc *prof_desc)
364 {
365 struct aw_bin *aw_bin;
366 int ret;
367 int i;
368
369 aw_bin = devm_kzalloc(aw_dev->dev, data_len + sizeof(struct aw_bin), GFP_KERNEL);
370 if (!aw_bin)
371 return -ENOMEM;
372
373 aw_bin->info.len = data_len;
374 memcpy(aw_bin->info.data, data, data_len);
375
376 ret = aw_parsing_bin_file(aw_dev, aw_bin);
377 if (ret < 0) {
378 dev_err(aw_dev->dev, "parse bin failed");
379 goto parse_bin_failed;
380 }
381
382 for (i = 0; i < aw_bin->all_bin_parse_num; i++) {
383 switch (aw_bin->header_info[i].bin_data_type) {
384 case DATA_TYPE_REGISTER:
385 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len =
386 aw_bin->header_info[i].valid_data_len;
387 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data =
388 data + aw_bin->header_info[i].valid_data_addr;
389 break;
390 case DATA_TYPE_DSP_REG:
391 if (aw_bin->header_info[i].valid_data_len & 0x01) {
392 ret = -EINVAL;
393 goto parse_bin_failed;
394 }
395
396 swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr),
397 aw_bin->header_info[i].valid_data_len >> 1);
398
399 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].len =
400 aw_bin->header_info[i].valid_data_len;
401 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].data =
402 data + aw_bin->header_info[i].valid_data_addr;
403 break;
404 case DATA_TYPE_DSP_FW:
405 case DATA_TYPE_SOC_APP:
406 if (aw_bin->header_info[i].valid_data_len & 0x01) {
407 ret = -EINVAL;
408 goto parse_bin_failed;
409 }
410
411 swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr),
412 aw_bin->header_info[i].valid_data_len >> 1);
413
414 prof_desc->fw_ver = aw_bin->header_info[i].app_version;
415 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].len =
416 aw_bin->header_info[i].valid_data_len;
417 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].data =
418 data + aw_bin->header_info[i].valid_data_addr;
419 break;
420 default:
421 dev_dbg(aw_dev->dev, "bin_data_type not found");
422 break;
423 }
424 }
425 prof_desc->prof_st = AW88395_PROFILE_OK;
426 ret = 0;
427
428 parse_bin_failed:
429 devm_kfree(aw_dev->dev, aw_bin);
430 return ret;
431 }
432
433 static int aw_dev_parse_reg_bin_with_hdr(struct aw_device *aw_dev,
434 uint8_t *data, uint32_t data_len, struct aw_prof_desc *prof_desc)
435 {
436 struct aw_bin *aw_bin;
437 int ret;
438
439 aw_bin = devm_kzalloc(aw_dev->dev, data_len + sizeof(*aw_bin), GFP_KERNEL);
440 if (!aw_bin)
441 return -ENOMEM;
442
443 aw_bin->info.len = data_len;
444 memcpy(aw_bin->info.data, data, data_len);
445
446 ret = aw_parsing_bin_file(aw_dev, aw_bin);
447 if (ret < 0) {
448 dev_err(aw_dev->dev, "parse bin failed");
449 goto parse_bin_failed;
450 }
451
452 if ((aw_bin->all_bin_parse_num != 1) ||
453 (aw_bin->header_info[0].bin_data_type != DATA_TYPE_REGISTER)) {
454 dev_err(aw_dev->dev, "bin num or type error");
455 ret = -EINVAL;
456 goto parse_bin_failed;
457 }
458
459 if (aw_bin->header_info[0].valid_data_len % 4) {
460 dev_err(aw_dev->dev, "bin data len get error!");
461 ret = -EINVAL;
462 goto parse_bin_failed;
463 }
464
465 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data =
466 data + aw_bin->header_info[0].valid_data_addr;
467 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len =
468 aw_bin->header_info[0].valid_data_len;
469 prof_desc->prof_st = AW88395_PROFILE_OK;
470
471 devm_kfree(aw_dev->dev, aw_bin);
472 aw_bin = NULL;
473
474 return 0;
475
476 parse_bin_failed:
477 devm_kfree(aw_dev->dev, aw_bin);
478 aw_bin = NULL;
479 return ret;
480 }
481
482 static int aw_dev_parse_data_by_sec_type(struct aw_device *aw_dev, struct aw_cfg_hdr *cfg_hdr,
483 struct aw_cfg_dde *cfg_dde, struct aw_prof_desc *scene_prof_desc)
484 {
485 switch (cfg_dde->data_type) {
486 case ACF_SEC_TYPE_REG:
487 return aw_dev_parse_raw_reg((u8 *)cfg_hdr + cfg_dde->data_offset,
488 cfg_dde->data_size, scene_prof_desc);
489 case ACF_SEC_TYPE_DSP_CFG:
490 return aw_dev_parse_raw_dsp_cfg((u8 *)cfg_hdr + cfg_dde->data_offset,
491 cfg_dde->data_size, scene_prof_desc);
492 case ACF_SEC_TYPE_DSP_FW:
493 return aw_dev_parse_raw_dsp_fw(
494 (u8 *)cfg_hdr + cfg_dde->data_offset,
495 cfg_dde->data_size, scene_prof_desc);
496 case ACF_SEC_TYPE_MULTIPLE_BIN:
497 return aw_dev_prof_parse_multi_bin(
498 aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset,
499 cfg_dde->data_size, scene_prof_desc);
500 case ACF_SEC_TYPE_HDR_REG:
501 return aw_dev_parse_reg_bin_with_hdr(aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset,
502 cfg_dde->data_size, scene_prof_desc);
503 default:
504 dev_err(aw_dev->dev, "%s cfg_dde->data_type = %d\n", __func__, cfg_dde->data_type);
505 break;
506 }
507
508 return 0;
509 }
510
511 static int aw_dev_parse_dev_type(struct aw_device *aw_dev,
512 struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info)
513 {
514 struct aw_cfg_dde *cfg_dde =
515 (struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset);
516 int sec_num = 0;
517 int ret, i;
518
519 for (i = 0; i < prof_hdr->ddt_num; i++) {
520 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
521 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) &&
522 (cfg_dde[i].type == AW88395_DEV_TYPE_ID) &&
523 (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) {
524 if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) {
525 dev_err(aw_dev->dev, "dev_profile [%d] overflow",
526 cfg_dde[i].dev_profile);
527 return -EINVAL;
528 }
529
530 ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i],
531 &all_prof_info->prof_desc[cfg_dde[i].dev_profile]);
532 if (ret < 0) {
533 dev_err(aw_dev->dev, "parse failed");
534 return ret;
535 }
536 sec_num++;
537 }
538 }
539
540 if (sec_num == 0) {
541 dev_dbg(aw_dev->dev, "get dev type num is %d, please use default", sec_num);
542 return AW88395_DEV_TYPE_NONE;
543 }
544
545 return AW88395_DEV_TYPE_OK;
546 }
547
548 static int aw_dev_parse_dev_default_type(struct aw_device *aw_dev,
549 struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info)
550 {
551 struct aw_cfg_dde *cfg_dde =
552 (struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset);
553 int sec_num = 0;
554 int ret, i;
555
556 for (i = 0; i < prof_hdr->ddt_num; i++) {
557 if ((aw_dev->channel == cfg_dde[i].dev_index) &&
558 (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID) &&
559 (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) {
560 if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) {
561 dev_err(aw_dev->dev, "dev_profile [%d] overflow",
562 cfg_dde[i].dev_profile);
563 return -EINVAL;
564 }
565 ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i],
566 &all_prof_info->prof_desc[cfg_dde[i].dev_profile]);
567 if (ret < 0) {
568 dev_err(aw_dev->dev, "parse failed");
569 return ret;
570 }
571 sec_num++;
572 }
573 }
574
575 if (sec_num == 0) {
576 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", sec_num);
577 return -EINVAL;
578 }
579
580 return 0;
581 }
582
583 static int aw88261_dev_cfg_get_valid_prof(struct aw_device *aw_dev,
584 struct aw_all_prof_info all_prof_info)
585 {
586 struct aw_prof_desc *prof_desc = all_prof_info.prof_desc;
587 struct aw_prof_info *prof_info = &aw_dev->prof_info;
588 int num = 0;
589 int i;
590
591 for (i = 0; i < AW88395_PROFILE_MAX; i++) {
592 if (prof_desc[i].prof_st == AW88395_PROFILE_OK)
593 prof_info->count++;
594 }
595
596 dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count);
597
598 if (!prof_info->count) {
599 dev_err(aw_dev->dev, "no profile data");
600 return -EPERM;
601 }
602
603 prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
604 prof_info->count, sizeof(struct aw_prof_desc),
605 GFP_KERNEL);
606 if (!prof_info->prof_desc)
607 return -ENOMEM;
608
609 for (i = 0; i < AW88395_PROFILE_MAX; i++) {
610 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
611 if (num >= prof_info->count) {
612 dev_err(aw_dev->dev, "overflow count[%d]",
613 prof_info->count);
614 return -EINVAL;
615 }
616 prof_info->prof_desc[num] = prof_desc[i];
617 prof_info->prof_desc[num].id = i;
618 num++;
619 }
620 }
621
622 return 0;
623 }
624
625 static int aw88395_dev_cfg_get_valid_prof(struct aw_device *aw_dev,
626 struct aw_all_prof_info all_prof_info)
627 {
628 struct aw_prof_desc *prof_desc = all_prof_info.prof_desc;
629 struct aw_prof_info *prof_info = &aw_dev->prof_info;
630 struct aw_sec_data_desc *sec_desc;
631 int num = 0;
632 int i;
633
634 for (i = 0; i < AW88395_PROFILE_MAX; i++) {
635 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
636 sec_desc = prof_desc[i].sec_desc;
637 if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) &&
638 (sec_desc[AW88395_DATA_TYPE_REG].len != 0) &&
639 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) &&
640 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) &&
641 (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) &&
642 (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0))
643 prof_info->count++;
644 }
645 }
646
647 dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count);
648
649 if (!prof_info->count) {
650 dev_err(aw_dev->dev, "no profile data");
651 return -EPERM;
652 }
653
654 prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
655 prof_info->count, sizeof(struct aw_prof_desc),
656 GFP_KERNEL);
657 if (!prof_info->prof_desc)
658 return -ENOMEM;
659
660 for (i = 0; i < AW88395_PROFILE_MAX; i++) {
661 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
662 sec_desc = prof_desc[i].sec_desc;
663 if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) &&
664 (sec_desc[AW88395_DATA_TYPE_REG].len != 0) &&
665 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) &&
666 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) &&
667 (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) &&
668 (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0)) {
669 if (num >= prof_info->count) {
670 dev_err(aw_dev->dev, "overflow count[%d]",
671 prof_info->count);
672 return -EINVAL;
673 }
674 prof_info->prof_desc[num] = prof_desc[i];
675 prof_info->prof_desc[num].id = i;
676 num++;
677 }
678 }
679 }
680
681 return 0;
682 }
683
684 static int aw_dev_load_cfg_by_hdr(struct aw_device *aw_dev,
685 struct aw_cfg_hdr *prof_hdr)
686 {
687 struct aw_all_prof_info *all_prof_info;
688 int ret;
689
690 all_prof_info = devm_kzalloc(aw_dev->dev, sizeof(struct aw_all_prof_info), GFP_KERNEL);
691 if (!all_prof_info)
692 return -ENOMEM;
693
694 ret = aw_dev_parse_dev_type(aw_dev, prof_hdr, all_prof_info);
695 if (ret < 0) {
696 goto exit;
697 } else if (ret == AW88395_DEV_TYPE_NONE) {
698 dev_dbg(aw_dev->dev, "get dev type num is 0, parse default dev");
699 ret = aw_dev_parse_dev_default_type(aw_dev, prof_hdr, all_prof_info);
700 if (ret < 0)
701 goto exit;
702 }
703
704 switch (aw_dev->chip_id) {
705 case AW88395_CHIP_ID:
706 ret = aw88395_dev_cfg_get_valid_prof(aw_dev, *all_prof_info);
707 if (ret < 0)
708 goto exit;
709 break;
710 case AW88261_CHIP_ID:
711 ret = aw88261_dev_cfg_get_valid_prof(aw_dev, *all_prof_info);
712 if (ret < 0)
713 goto exit;
714 break;
715 default:
716 dev_err(aw_dev->dev, "valid prof unsupported");
717 ret = -EINVAL;
718 break;
719 }
720
721 aw_dev->prof_info.prof_name_list = profile_name;
722
723 exit:
724 devm_kfree(aw_dev->dev, all_prof_info);
725 return ret;
726 }
727
728 static int aw_dev_create_prof_name_list_v1(struct aw_device *aw_dev)
729 {
730 struct aw_prof_info *prof_info = &aw_dev->prof_info;
731 struct aw_prof_desc *prof_desc = prof_info->prof_desc;
732 int i;
733
734 if (!prof_desc) {
735 dev_err(aw_dev->dev, "prof_desc is NULL");
736 return -EINVAL;
737 }
738
739 prof_info->prof_name_list = devm_kzalloc(aw_dev->dev,
740 prof_info->count * PROFILE_STR_MAX,
741 GFP_KERNEL);
742 if (!prof_info->prof_name_list)
743 return -ENOMEM;
744
745 for (i = 0; i < prof_info->count; i++) {
746 prof_desc[i].id = i;
747 prof_info->prof_name_list[i] = prof_desc[i].prf_str;
748 dev_dbg(aw_dev->dev, "prof name is %s", prof_info->prof_name_list[i]);
749 }
750
751 return 0;
752 }
753
754 static int aw_get_dde_type_info(struct aw_device *aw_dev, struct aw_container *aw_cfg)
755 {
756 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
757 struct aw_cfg_dde_v1 *cfg_dde =
758 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
759 int default_num = 0;
760 int dev_num = 0;
761 unsigned int i;
762
763 for (i = 0; i < cfg_hdr->ddt_num; i++) {
764 if (cfg_dde[i].type == AW88395_DEV_TYPE_ID)
765 dev_num++;
766
767 if (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID)
768 default_num++;
769 }
770
771 if (dev_num != 0) {
772 aw_dev->prof_info.prof_type = AW88395_DEV_TYPE_ID;
773 } else if (default_num != 0) {
774 aw_dev->prof_info.prof_type = AW88395_DEV_DEFAULT_TYPE_ID;
775 } else {
776 dev_err(aw_dev->dev, "can't find scene");
777 return -EINVAL;
778 }
779
780 return 0;
781 }
782
783 static int aw_get_dev_scene_count_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg,
784 unsigned int *scene_num)
785 {
786 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
787 struct aw_cfg_dde_v1 *cfg_dde =
788 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
789 unsigned int i;
790 int ret;
791
792 switch (aw_dev->chip_id) {
793 case AW88395_CHIP_ID:
794 for (i = 0; i < cfg_hdr->ddt_num; ++i) {
795 if ((cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN) &&
796 (aw_dev->chip_id == cfg_dde[i].chip_id) &&
797 (aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
798 (aw_dev->i2c->addr == cfg_dde[i].dev_addr))
799 (*scene_num)++;
800 }
801 ret = 0;
802 break;
803 case AW88261_CHIP_ID:
804 for (i = 0; i < cfg_hdr->ddt_num; ++i) {
805 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_REG) ||
806 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG)) &&
807 (aw_dev->chip_id == cfg_dde[i].chip_id) &&
808 (aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
809 (aw_dev->i2c->addr == cfg_dde[i].dev_addr))
810 (*scene_num)++;
811 }
812 ret = 0;
813 break;
814 default:
815 dev_err(aw_dev->dev, "unsupported device");
816 ret = -EINVAL;
817 break;
818 }
819
820 return ret;
821 }
822
823 static int aw_get_default_scene_count_v1(struct aw_device *aw_dev,
824 struct aw_container *aw_cfg,
825 unsigned int *scene_num)
826 {
827 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
828 struct aw_cfg_dde_v1 *cfg_dde =
829 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
830 unsigned int i;
831 int ret;
832
833 switch (aw_dev->chip_id) {
834 case AW88395_CHIP_ID:
835 for (i = 0; i < cfg_hdr->ddt_num; ++i) {
836 if ((cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN) &&
837 (aw_dev->chip_id == cfg_dde[i].chip_id) &&
838 (aw_dev->channel == cfg_dde[i].dev_index))
839 (*scene_num)++;
840 }
841 ret = 0;
842 break;
843 case AW88261_CHIP_ID:
844 for (i = 0; i < cfg_hdr->ddt_num; ++i) {
845 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_REG) ||
846 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG)) &&
847 (aw_dev->chip_id == cfg_dde[i].chip_id) &&
848 (aw_dev->channel == cfg_dde[i].dev_index))
849 (*scene_num)++;
850 }
851 ret = 0;
852 break;
853 default:
854 dev_err(aw_dev->dev, "unsupported device");
855 ret = -EINVAL;
856 break;
857 }
858
859 return ret;
860 }
861
862 static int aw_dev_parse_scene_count_v1(struct aw_device *aw_dev,
863 struct aw_container *aw_cfg,
864 unsigned int *count)
865 {
866 int ret;
867
868 ret = aw_get_dde_type_info(aw_dev, aw_cfg);
869 if (ret < 0)
870 return ret;
871
872 switch (aw_dev->prof_info.prof_type) {
873 case AW88395_DEV_TYPE_ID:
874 ret = aw_get_dev_scene_count_v1(aw_dev, aw_cfg, count);
875 break;
876 case AW88395_DEV_DEFAULT_TYPE_ID:
877 ret = aw_get_default_scene_count_v1(aw_dev, aw_cfg, count);
878 break;
879 default:
880 dev_err(aw_dev->dev, "unsupported prof_type[%x]", aw_dev->prof_info.prof_type);
881 ret = -EINVAL;
882 break;
883 }
884
885 return ret;
886 }
887
888 static int aw_dev_parse_data_by_sec_type_v1(struct aw_device *aw_dev,
889 struct aw_cfg_hdr *prof_hdr,
890 struct aw_cfg_dde_v1 *cfg_dde,
891 int *cur_scene_id)
892 {
893 struct aw_prof_info *prof_info = &aw_dev->prof_info;
894 int ret;
895
896 switch (cfg_dde->data_type) {
897 case ACF_SEC_TYPE_MULTIPLE_BIN:
898 ret = aw_dev_prof_parse_multi_bin(aw_dev, (u8 *)prof_hdr + cfg_dde->data_offset,
899 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]);
900 if (ret < 0) {
901 dev_err(aw_dev->dev, "parse multi bin failed");
902 return ret;
903 }
904 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str;
905 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile;
906 (*cur_scene_id)++;
907 break;
908 case ACF_SEC_TYPE_HDR_REG:
909 ret = aw_dev_parse_reg_bin_with_hdr(aw_dev,
910 (uint8_t *)prof_hdr + cfg_dde->data_offset,
911 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]);
912 if (ret < 0) {
913 dev_err(aw_dev->dev, "parse reg bin with hdr failed");
914 return ret;
915 }
916 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str;
917 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile;
918 (*cur_scene_id)++;
919 break;
920 default:
921 dev_err(aw_dev->dev, "unsupported SEC_TYPE [%d]", cfg_dde->data_type);
922 return -EINVAL;
923 }
924
925 return 0;
926 }
927
928 static int aw_dev_parse_dev_type_v1(struct aw_device *aw_dev,
929 struct aw_cfg_hdr *prof_hdr)
930 {
931 struct aw_cfg_dde_v1 *cfg_dde =
932 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset);
933 int cur_scene_id = 0;
934 unsigned int i;
935 int ret;
936
937 for (i = 0; i < prof_hdr->ddt_num; i++) {
938 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
939 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) &&
940 (aw_dev->chip_id == cfg_dde[i].chip_id)) {
941 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr,
942 &cfg_dde[i], &cur_scene_id);
943 if (ret < 0) {
944 dev_err(aw_dev->dev, "parse failed");
945 return ret;
946 }
947 }
948 }
949
950 if (cur_scene_id == 0) {
951 dev_err(aw_dev->dev, "get dev type failed, get num [%d]", cur_scene_id);
952 return -EINVAL;
953 }
954
955 return 0;
956 }
957
958 static int aw_dev_parse_default_type_v1(struct aw_device *aw_dev,
959 struct aw_cfg_hdr *prof_hdr)
960 {
961 struct aw_cfg_dde_v1 *cfg_dde =
962 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset);
963 int cur_scene_id = 0;
964 unsigned int i;
965 int ret;
966
967 for (i = 0; i < prof_hdr->ddt_num; i++) {
968 if ((aw_dev->channel == cfg_dde[i].dev_index) &&
969 (aw_dev->chip_id == cfg_dde[i].chip_id)) {
970 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr,
971 &cfg_dde[i], &cur_scene_id);
972 if (ret < 0) {
973 dev_err(aw_dev->dev, "parse failed");
974 return ret;
975 }
976 }
977 }
978
979 if (cur_scene_id == 0) {
980 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", cur_scene_id);
981 return -EINVAL;
982 }
983
984 return 0;
985 }
986
987 static int aw_dev_parse_by_hdr_v1(struct aw_device *aw_dev,
988 struct aw_cfg_hdr *cfg_hdr)
989 {
990 int ret;
991
992 switch (aw_dev->prof_info.prof_type) {
993 case AW88395_DEV_TYPE_ID:
994 ret = aw_dev_parse_dev_type_v1(aw_dev, cfg_hdr);
995 break;
996 case AW88395_DEV_DEFAULT_TYPE_ID:
997 ret = aw_dev_parse_default_type_v1(aw_dev, cfg_hdr);
998 break;
999 default:
1000 dev_err(aw_dev->dev, "prof type matched failed, get num[%d]",
1001 aw_dev->prof_info.prof_type);
1002 ret = -EINVAL;
1003 break;
1004 }
1005
1006 return ret;
1007 }
1008
1009 static int aw_dev_load_cfg_by_hdr_v1(struct aw_device *aw_dev,
1010 struct aw_container *aw_cfg)
1011 {
1012 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1013 struct aw_prof_info *prof_info = &aw_dev->prof_info;
1014 int ret;
1015
1016 ret = aw_dev_parse_scene_count_v1(aw_dev, aw_cfg, &prof_info->count);
1017 if (ret < 0) {
1018 dev_err(aw_dev->dev, "get scene count failed");
1019 return ret;
1020 }
1021
1022 prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
1023 prof_info->count, sizeof(struct aw_prof_desc),
1024 GFP_KERNEL);
1025 if (!prof_info->prof_desc)
1026 return -ENOMEM;
1027
1028 ret = aw_dev_parse_by_hdr_v1(aw_dev, cfg_hdr);
1029 if (ret < 0) {
1030 dev_err(aw_dev->dev, "parse hdr failed");
1031 return ret;
1032 }
1033
1034 ret = aw_dev_create_prof_name_list_v1(aw_dev);
1035 if (ret < 0) {
1036 dev_err(aw_dev->dev, "create prof name list failed");
1037 return ret;
1038 }
1039
1040 return 0;
1041 }
1042
1043 int aw88395_dev_cfg_load(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1044 {
1045 struct aw_cfg_hdr *cfg_hdr;
1046 int ret;
1047
1048 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1049
1050 switch (cfg_hdr->hdr_version) {
1051 case AW88395_CFG_HDR_VER:
1052 ret = aw_dev_load_cfg_by_hdr(aw_dev, cfg_hdr);
1053 if (ret < 0) {
1054 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed",
1055 cfg_hdr->hdr_version);
1056 return ret;
1057 }
1058 break;
1059 case AW88395_CFG_HDR_VER_V1:
1060 ret = aw_dev_load_cfg_by_hdr_v1(aw_dev, aw_cfg);
1061 if (ret < 0) {
1062 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed",
1063 cfg_hdr->hdr_version);
1064 return ret;
1065 }
1066 break;
1067 default:
1068 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version);
1069 return -EINVAL;
1070 }
1071 aw_dev->fw_status = AW88395_DEV_FW_OK;
1072
1073 return 0;
1074 }
1075 EXPORT_SYMBOL_GPL(aw88395_dev_cfg_load);
1076
1077 static int aw_dev_check_cfg_by_hdr(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1078 {
1079 unsigned int end_data_offset;
1080 struct aw_cfg_hdr *cfg_hdr;
1081 struct aw_cfg_dde *cfg_dde;
1082 unsigned int act_data = 0;
1083 unsigned int hdr_ddt_len;
1084 unsigned int i;
1085 u8 act_crc8;
1086
1087 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1088 /* check file type id is awinic acf file */
1089 if (cfg_hdr->id != ACF_FILE_ID) {
1090 dev_err(aw_dev->dev, "not acf type file");
1091 return -EINVAL;
1092 }
1093
1094 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size;
1095 if (hdr_ddt_len > aw_cfg->len) {
1096 dev_err(aw_dev->dev, "hdr_len with ddt_len [%d] overflow file size[%d]",
1097 cfg_hdr->hdr_offset, aw_cfg->len);
1098 return -EINVAL;
1099 }
1100
1101 /* check data size */
1102 cfg_dde = (struct aw_cfg_dde *)((char *)aw_cfg->data + cfg_hdr->hdr_offset);
1103 act_data += hdr_ddt_len;
1104 for (i = 0; i < cfg_hdr->ddt_num; i++)
1105 act_data += cfg_dde[i].data_size;
1106
1107 if (act_data != aw_cfg->len) {
1108 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!",
1109 act_data, aw_cfg->len);
1110 return -EINVAL;
1111 }
1112
1113 for (i = 0; i < cfg_hdr->ddt_num; i++) {
1114 /* data check */
1115 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size;
1116 if (end_data_offset > aw_cfg->len) {
1117 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]",
1118 i, end_data_offset, aw_cfg->len);
1119 return -EINVAL;
1120 }
1121
1122 /* crc check */
1123 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset,
1124 cfg_dde[i].data_size, 0);
1125 if (act_crc8 != cfg_dde[i].data_crc) {
1126 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc:0x%x",
1127 i, (u32)act_crc8, cfg_dde[i].data_crc);
1128 return -EINVAL;
1129 }
1130 }
1131
1132 return 0;
1133 }
1134
1135 static int aw_dev_check_acf_by_hdr_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1136 {
1137 struct aw_cfg_dde_v1 *cfg_dde;
1138 unsigned int end_data_offset;
1139 struct aw_cfg_hdr *cfg_hdr;
1140 unsigned int act_data = 0;
1141 unsigned int hdr_ddt_len;
1142 u8 act_crc8;
1143 int i;
1144
1145 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1146
1147 /* check file type id is awinic acf file */
1148 if (cfg_hdr->id != ACF_FILE_ID) {
1149 dev_err(aw_dev->dev, "not acf type file");
1150 return -EINVAL;
1151 }
1152
1153 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size;
1154 if (hdr_ddt_len > aw_cfg->len) {
1155 dev_err(aw_dev->dev, "hdrlen with ddt_len [%d] overflow file size[%d]",
1156 cfg_hdr->hdr_offset, aw_cfg->len);
1157 return -EINVAL;
1158 }
1159
1160 /* check data size */
1161 cfg_dde = (struct aw_cfg_dde_v1 *)((char *)aw_cfg->data + cfg_hdr->hdr_offset);
1162 act_data += hdr_ddt_len;
1163 for (i = 0; i < cfg_hdr->ddt_num; i++)
1164 act_data += cfg_dde[i].data_size;
1165
1166 if (act_data != aw_cfg->len) {
1167 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!",
1168 act_data, aw_cfg->len);
1169 return -EINVAL;
1170 }
1171
1172 for (i = 0; i < cfg_hdr->ddt_num; i++) {
1173 /* data check */
1174 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size;
1175 if (end_data_offset > aw_cfg->len) {
1176 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]",
1177 i, end_data_offset, aw_cfg->len);
1178 return -EINVAL;
1179 }
1180
1181 /* crc check */
1182 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset,
1183 cfg_dde[i].data_size, 0);
1184 if (act_crc8 != cfg_dde[i].data_crc) {
1185 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc 0x%x",
1186 i, (u32)act_crc8, cfg_dde[i].data_crc);
1187 return -EINVAL;
1188 }
1189 }
1190
1191 return 0;
1192 }
1193
1194 int aw88395_dev_load_acf_check(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1195 {
1196 struct aw_cfg_hdr *cfg_hdr;
1197
1198 if (!aw_cfg) {
1199 dev_err(aw_dev->dev, "aw_prof is NULL");
1200 return -EINVAL;
1201 }
1202
1203 if (aw_cfg->len < sizeof(struct aw_cfg_hdr)) {
1204 dev_err(aw_dev->dev, "cfg hdr size[%d] overflow file size[%d]",
1205 aw_cfg->len, (int)sizeof(struct aw_cfg_hdr));
1206 return -EINVAL;
1207 }
1208
1209 crc8_populate_lsb(aw_crc8_table, AW88395_CRC8_POLYNOMIAL);
1210
1211 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1212 switch (cfg_hdr->hdr_version) {
1213 case AW88395_CFG_HDR_VER:
1214 return aw_dev_check_cfg_by_hdr(aw_dev, aw_cfg);
1215 case AW88395_CFG_HDR_VER_V1:
1216 return aw_dev_check_acf_by_hdr_v1(aw_dev, aw_cfg);
1217 default:
1218 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version);
1219 return -EINVAL;
1220 }
1221
1222 return 0;
1223 }
1224 EXPORT_SYMBOL_GPL(aw88395_dev_load_acf_check);
1225
1226 MODULE_DESCRIPTION("AW88395 ACF File Parsing Lib");
1227 MODULE_LICENSE("GPL v2");
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git