1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // aw88395_lib.c -- ACF bin parsing and check library file for aw88395
4 //
5 // Copyright (c) 2022-2023 AWINIC Technology CO., LTD
6 //
7 // Author: Bruce zhao <zhaolei@awinic.com>
8 //
9
10 #include <linux/cleanup.h>
11 #include <linux/crc8.h>
12 #include <linux/i2c.h>
13 #include "aw88395_lib.h"
14 #include "aw88395_device.h"
15
16 #define AW88395_CRC8_POLYNOMIAL 0x8C
17 DECLARE_CRC8_TABLE(aw_crc8_table);
18
19 static char *profile_name[AW88395_PROFILE_MAX] = {
20 "Music", "Voice", "Voip", "Ringtone",
21 "Ringtone_hs", "Lowpower", "Bypass",
22 "Mmi", "Fm", "Notification", "Receiver"
23 };
24
25 static int aw_parse_bin_header(struct aw_device *aw_dev, struct aw_bin *bin);
26
aw_check_sum(struct aw_device * aw_dev,struct aw_bin * bin,int bin_num)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
aw_check_data_version(struct aw_device * aw_dev,struct aw_bin * bin,int bin_num)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
aw_check_register_num(struct aw_device * aw_dev,struct aw_bin * bin,int bin_num)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
aw_check_dsp_reg_num(struct aw_device * aw_dev,struct aw_bin * bin,int bin_num)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
aw_check_soc_app_num(struct aw_device * aw_dev,struct aw_bin * bin,int bin_num)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
aw_get_single_bin_header(struct aw_bin * bin)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
aw_parse_one_of_multi_bins(struct aw_device * aw_dev,unsigned int bin_num,int bin_serial_num,struct aw_bin * bin)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
aw_get_multi_bin_header(struct aw_device * aw_dev,struct aw_bin * bin)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
aw_parse_bin_header(struct aw_device * aw_dev,struct aw_bin * bin)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
aw_check_bin_header_version(struct aw_device * aw_dev,struct aw_bin * bin)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
aw_parsing_bin_file(struct aw_device * aw_dev,struct aw_bin * bin)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
aw_dev_parse_raw_reg(unsigned char * data,unsigned int data_len,struct aw_prof_desc * prof_desc)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
aw_dev_parse_raw_dsp_cfg(unsigned char * data,unsigned int data_len,struct aw_prof_desc * prof_desc)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
aw_dev_parse_raw_dsp_fw(unsigned char * data,unsigned int data_len,struct aw_prof_desc * prof_desc)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
aw_dev_prof_parse_multi_bin(struct aw_device * aw_dev,unsigned char * data,unsigned int data_len,struct aw_prof_desc * prof_desc)362 static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *data,
363 unsigned int data_len, struct aw_prof_desc *prof_desc)
364 {
365 int ret;
366 int i;
367
368 struct aw_bin *aw_bin __free(kfree) = kzalloc(data_len + sizeof(struct aw_bin),
369 GFP_KERNEL);
370 if (!aw_bin)
371 return -ENOMEM;
372
373 aw_bin->info.len = data_len;
374 memcpy(aw_bin->info.data, data, data_len);
375
376 ret = aw_parsing_bin_file(aw_dev, aw_bin);
377 if (ret < 0) {
378 dev_err(aw_dev->dev, "parse bin failed");
379 return ret;
380 }
381
382 for (i = 0; i < aw_bin->all_bin_parse_num; i++) {
383 switch (aw_bin->header_info[i].bin_data_type) {
384 case DATA_TYPE_REGISTER:
385 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len =
386 aw_bin->header_info[i].valid_data_len;
387 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data =
388 data + aw_bin->header_info[i].valid_data_addr;
389 break;
390 case DATA_TYPE_DSP_REG:
391 if (aw_bin->header_info[i].valid_data_len & 0x01)
392 return -EINVAL;
393
394 swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr),
395 aw_bin->header_info[i].valid_data_len >> 1);
396
397 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].len =
398 aw_bin->header_info[i].valid_data_len;
399 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_CFG].data =
400 data + aw_bin->header_info[i].valid_data_addr;
401 break;
402 case DATA_TYPE_DSP_FW:
403 case DATA_TYPE_SOC_APP:
404 if (aw_bin->header_info[i].valid_data_len & 0x01)
405 return -EINVAL;
406
407 swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr),
408 aw_bin->header_info[i].valid_data_len >> 1);
409
410 prof_desc->fw_ver = aw_bin->header_info[i].app_version;
411 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].len =
412 aw_bin->header_info[i].valid_data_len;
413 prof_desc->sec_desc[AW88395_DATA_TYPE_DSP_FW].data =
414 data + aw_bin->header_info[i].valid_data_addr;
415 break;
416 default:
417 dev_dbg(aw_dev->dev, "bin_data_type not found");
418 break;
419 }
420 }
421 prof_desc->prof_st = AW88395_PROFILE_OK;
422
423 return 0;
424 }
425
aw_dev_parse_reg_bin_with_hdr(struct aw_device * aw_dev,uint8_t * data,uint32_t data_len,struct aw_prof_desc * prof_desc)426 static int aw_dev_parse_reg_bin_with_hdr(struct aw_device *aw_dev,
427 uint8_t *data, uint32_t data_len, struct aw_prof_desc *prof_desc)
428 {
429 int ret;
430
431 struct aw_bin *aw_bin __free(kfree) = kzalloc(data_len + sizeof(*aw_bin),
432 GFP_KERNEL);
433 if (!aw_bin)
434 return -ENOMEM;
435
436 aw_bin->info.len = data_len;
437 memcpy(aw_bin->info.data, data, data_len);
438
439 ret = aw_parsing_bin_file(aw_dev, aw_bin);
440 if (ret < 0) {
441 dev_err(aw_dev->dev, "parse bin failed");
442 return ret;
443 }
444
445 if ((aw_bin->all_bin_parse_num != 1) ||
446 (aw_bin->header_info[0].bin_data_type != DATA_TYPE_REGISTER)) {
447 dev_err(aw_dev->dev, "bin num or type error");
448 return -EINVAL;
449 }
450
451 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data =
452 data + aw_bin->header_info[0].valid_data_addr;
453 prof_desc->sec_desc[AW88395_DATA_TYPE_REG].len =
454 aw_bin->header_info[0].valid_data_len;
455 prof_desc->prof_st = AW88395_PROFILE_OK;
456
457 return 0;
458 }
459
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)460 static int aw_dev_parse_data_by_sec_type(struct aw_device *aw_dev, struct aw_cfg_hdr *cfg_hdr,
461 struct aw_cfg_dde *cfg_dde, struct aw_prof_desc *scene_prof_desc)
462 {
463 switch (cfg_dde->data_type) {
464 case ACF_SEC_TYPE_REG:
465 return aw_dev_parse_raw_reg((u8 *)cfg_hdr + cfg_dde->data_offset,
466 cfg_dde->data_size, scene_prof_desc);
467 case ACF_SEC_TYPE_DSP_CFG:
468 return aw_dev_parse_raw_dsp_cfg((u8 *)cfg_hdr + cfg_dde->data_offset,
469 cfg_dde->data_size, scene_prof_desc);
470 case ACF_SEC_TYPE_DSP_FW:
471 return aw_dev_parse_raw_dsp_fw(
472 (u8 *)cfg_hdr + cfg_dde->data_offset,
473 cfg_dde->data_size, scene_prof_desc);
474 case ACF_SEC_TYPE_MULTIPLE_BIN:
475 return aw_dev_prof_parse_multi_bin(
476 aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset,
477 cfg_dde->data_size, scene_prof_desc);
478 case ACF_SEC_TYPE_HDR_REG:
479 return aw_dev_parse_reg_bin_with_hdr(aw_dev, (u8 *)cfg_hdr + cfg_dde->data_offset,
480 cfg_dde->data_size, scene_prof_desc);
481 default:
482 dev_err(aw_dev->dev, "%s cfg_dde->data_type = %d\n", __func__, cfg_dde->data_type);
483 break;
484 }
485
486 return 0;
487 }
488
aw_dev_parse_dev_type(struct aw_device * aw_dev,struct aw_cfg_hdr * prof_hdr,struct aw_all_prof_info * all_prof_info)489 static int aw_dev_parse_dev_type(struct aw_device *aw_dev,
490 struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info)
491 {
492 struct aw_cfg_dde *cfg_dde =
493 (struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset);
494 int sec_num = 0;
495 int ret, i;
496
497 for (i = 0; i < prof_hdr->ddt_num; i++) {
498 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
499 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) &&
500 (cfg_dde[i].type == AW88395_DEV_TYPE_ID) &&
501 (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) {
502 if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) {
503 dev_err(aw_dev->dev, "dev_profile [%d] overflow",
504 cfg_dde[i].dev_profile);
505 return -EINVAL;
506 }
507 aw_dev->prof_data_type = cfg_dde[i].data_type;
508 ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i],
509 &all_prof_info->prof_desc[cfg_dde[i].dev_profile]);
510 if (ret < 0) {
511 dev_err(aw_dev->dev, "parse failed");
512 return ret;
513 }
514 sec_num++;
515 }
516 }
517
518 if (sec_num == 0) {
519 dev_dbg(aw_dev->dev, "get dev type num is %d, please use default", sec_num);
520 return AW88395_DEV_TYPE_NONE;
521 }
522
523 return AW88395_DEV_TYPE_OK;
524 }
525
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)526 static int aw_dev_parse_dev_default_type(struct aw_device *aw_dev,
527 struct aw_cfg_hdr *prof_hdr, struct aw_all_prof_info *all_prof_info)
528 {
529 struct aw_cfg_dde *cfg_dde =
530 (struct aw_cfg_dde *)((char *)prof_hdr + prof_hdr->hdr_offset);
531 int sec_num = 0;
532 int ret, i;
533
534 for (i = 0; i < prof_hdr->ddt_num; i++) {
535 if ((aw_dev->channel == cfg_dde[i].dev_index) &&
536 (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID) &&
537 (cfg_dde[i].data_type != ACF_SEC_TYPE_MONITOR)) {
538 if (cfg_dde[i].dev_profile >= AW88395_PROFILE_MAX) {
539 dev_err(aw_dev->dev, "dev_profile [%d] overflow",
540 cfg_dde[i].dev_profile);
541 return -EINVAL;
542 }
543 aw_dev->prof_data_type = cfg_dde[i].data_type;
544 ret = aw_dev_parse_data_by_sec_type(aw_dev, prof_hdr, &cfg_dde[i],
545 &all_prof_info->prof_desc[cfg_dde[i].dev_profile]);
546 if (ret < 0) {
547 dev_err(aw_dev->dev, "parse failed");
548 return ret;
549 }
550 sec_num++;
551 }
552 }
553
554 if (sec_num == 0) {
555 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", sec_num);
556 return -EINVAL;
557 }
558
559 return 0;
560 }
561
aw_dev_cfg_get_reg_valid_prof(struct aw_device * aw_dev,struct aw_all_prof_info * all_prof_info)562 static int aw_dev_cfg_get_reg_valid_prof(struct aw_device *aw_dev,
563 struct aw_all_prof_info *all_prof_info)
564 {
565 struct aw_prof_desc *prof_desc = all_prof_info->prof_desc;
566 struct aw_prof_info *prof_info = &aw_dev->prof_info;
567 int num = 0;
568 int i;
569
570 for (i = 0; i < AW88395_PROFILE_MAX; i++) {
571 if (prof_desc[i].prof_st == AW88395_PROFILE_OK)
572 prof_info->count++;
573 }
574
575 dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count);
576
577 if (!prof_info->count) {
578 dev_err(aw_dev->dev, "no profile data");
579 return -EPERM;
580 }
581
582 prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
583 prof_info->count, sizeof(struct aw_prof_desc),
584 GFP_KERNEL);
585 if (!prof_info->prof_desc)
586 return -ENOMEM;
587
588 for (i = 0; i < AW88395_PROFILE_MAX; i++) {
589 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
590 if (num >= prof_info->count) {
591 dev_err(aw_dev->dev, "overflow count[%d]",
592 prof_info->count);
593 return -EINVAL;
594 }
595 prof_info->prof_desc[num] = prof_desc[i];
596 prof_info->prof_desc[num].id = i;
597 num++;
598 }
599 }
600
601 return 0;
602 }
603
aw_dev_cfg_get_multiple_valid_prof(struct aw_device * aw_dev,struct aw_all_prof_info * all_prof_info)604 static int aw_dev_cfg_get_multiple_valid_prof(struct aw_device *aw_dev,
605 struct aw_all_prof_info *all_prof_info)
606 {
607 struct aw_prof_desc *prof_desc = all_prof_info->prof_desc;
608 struct aw_prof_info *prof_info = &aw_dev->prof_info;
609 struct aw_sec_data_desc *sec_desc;
610 int num = 0;
611 int i;
612
613 for (i = 0; i < AW88395_PROFILE_MAX; i++) {
614 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
615 sec_desc = prof_desc[i].sec_desc;
616 if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) &&
617 (sec_desc[AW88395_DATA_TYPE_REG].len != 0) &&
618 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) &&
619 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) &&
620 (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) &&
621 (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0))
622 prof_info->count++;
623 }
624 }
625
626 dev_dbg(aw_dev->dev, "get valid profile:%d", aw_dev->prof_info.count);
627
628 if (!prof_info->count) {
629 dev_err(aw_dev->dev, "no profile data");
630 return -EPERM;
631 }
632
633 prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
634 prof_info->count, sizeof(struct aw_prof_desc),
635 GFP_KERNEL);
636 if (!prof_info->prof_desc)
637 return -ENOMEM;
638
639 for (i = 0; i < AW88395_PROFILE_MAX; i++) {
640 if (prof_desc[i].prof_st == AW88395_PROFILE_OK) {
641 sec_desc = prof_desc[i].sec_desc;
642 if ((sec_desc[AW88395_DATA_TYPE_REG].data != NULL) &&
643 (sec_desc[AW88395_DATA_TYPE_REG].len != 0) &&
644 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].data != NULL) &&
645 (sec_desc[AW88395_DATA_TYPE_DSP_CFG].len != 0) &&
646 (sec_desc[AW88395_DATA_TYPE_DSP_FW].data != NULL) &&
647 (sec_desc[AW88395_DATA_TYPE_DSP_FW].len != 0)) {
648 if (num >= prof_info->count) {
649 dev_err(aw_dev->dev, "overflow count[%d]",
650 prof_info->count);
651 return -EINVAL;
652 }
653 prof_info->prof_desc[num] = prof_desc[i];
654 prof_info->prof_desc[num].id = i;
655 num++;
656 }
657 }
658 }
659
660 return 0;
661 }
662
aw_dev_load_cfg_by_hdr(struct aw_device * aw_dev,struct aw_cfg_hdr * prof_hdr)663 static int aw_dev_load_cfg_by_hdr(struct aw_device *aw_dev,
664 struct aw_cfg_hdr *prof_hdr)
665 {
666 int ret;
667
668 struct aw_all_prof_info *all_prof_info __free(kfree) = kzalloc(sizeof(*all_prof_info),
669 GFP_KERNEL);
670 if (!all_prof_info)
671 return -ENOMEM;
672
673 ret = aw_dev_parse_dev_type(aw_dev, prof_hdr, all_prof_info);
674 if (ret < 0) {
675 return ret;
676 } else if (ret == AW88395_DEV_TYPE_NONE) {
677 dev_dbg(aw_dev->dev, "get dev type num is 0, parse default dev");
678 ret = aw_dev_parse_dev_default_type(aw_dev, prof_hdr, all_prof_info);
679 if (ret < 0)
680 return ret;
681 }
682
683 switch (aw_dev->prof_data_type) {
684 case ACF_SEC_TYPE_MULTIPLE_BIN:
685 ret = aw_dev_cfg_get_multiple_valid_prof(aw_dev, all_prof_info);
686 break;
687 case ACF_SEC_TYPE_HDR_REG:
688 ret = aw_dev_cfg_get_reg_valid_prof(aw_dev, all_prof_info);
689 break;
690 default:
691 dev_err(aw_dev->dev, "unsupport data type\n");
692 ret = -EINVAL;
693 break;
694 }
695 if (!ret)
696 aw_dev->prof_info.prof_name_list = profile_name;
697
698 return ret;
699 }
700
aw_dev_create_prof_name_list_v1(struct aw_device * aw_dev)701 static int aw_dev_create_prof_name_list_v1(struct aw_device *aw_dev)
702 {
703 struct aw_prof_info *prof_info = &aw_dev->prof_info;
704 struct aw_prof_desc *prof_desc = prof_info->prof_desc;
705 int i;
706
707 if (!prof_desc) {
708 dev_err(aw_dev->dev, "prof_desc is NULL");
709 return -EINVAL;
710 }
711
712 prof_info->prof_name_list = devm_kzalloc(aw_dev->dev,
713 prof_info->count * PROFILE_STR_MAX,
714 GFP_KERNEL);
715 if (!prof_info->prof_name_list)
716 return -ENOMEM;
717
718 for (i = 0; i < prof_info->count; i++) {
719 prof_desc[i].id = i;
720 prof_info->prof_name_list[i] = prof_desc[i].prf_str;
721 dev_dbg(aw_dev->dev, "prof name is %s", prof_info->prof_name_list[i]);
722 }
723
724 return 0;
725 }
726
aw_get_dde_type_info(struct aw_device * aw_dev,struct aw_container * aw_cfg)727 static int aw_get_dde_type_info(struct aw_device *aw_dev, struct aw_container *aw_cfg)
728 {
729 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
730 struct aw_cfg_dde_v1 *cfg_dde =
731 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
732 int default_num = 0;
733 int dev_num = 0;
734 unsigned int i;
735
736 for (i = 0; i < cfg_hdr->ddt_num; i++) {
737 if (cfg_dde[i].type == AW88395_DEV_TYPE_ID)
738 dev_num++;
739
740 if (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID)
741 default_num++;
742 }
743
744 if (dev_num != 0) {
745 aw_dev->prof_info.prof_type = AW88395_DEV_TYPE_ID;
746 } else if (default_num != 0) {
747 aw_dev->prof_info.prof_type = AW88395_DEV_DEFAULT_TYPE_ID;
748 } else {
749 dev_err(aw_dev->dev, "can't find scene");
750 return -EINVAL;
751 }
752
753 return 0;
754 }
755
aw_get_dev_scene_count_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg,unsigned int * scene_num)756 static int aw_get_dev_scene_count_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg,
757 unsigned int *scene_num)
758 {
759 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
760 struct aw_cfg_dde_v1 *cfg_dde =
761 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
762 unsigned int i;
763
764 for (i = 0; i < cfg_hdr->ddt_num; ++i) {
765 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_REG) ||
766 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG) ||
767 (cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN)) &&
768 (aw_dev->chip_id == cfg_dde[i].chip_id) &&
769 (aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
770 (aw_dev->i2c->addr == cfg_dde[i].dev_addr))
771 (*scene_num)++;
772 }
773
774 if ((*scene_num) == 0) {
775 dev_err(aw_dev->dev, "failed to obtain scene, scenu_num = %d\n", (*scene_num));
776 return -EINVAL;
777 }
778
779 return 0;
780 }
781
aw_get_default_scene_count_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg,unsigned int * scene_num)782 static int aw_get_default_scene_count_v1(struct aw_device *aw_dev,
783 struct aw_container *aw_cfg,
784 unsigned int *scene_num)
785 {
786 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
787 struct aw_cfg_dde_v1 *cfg_dde =
788 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
789 unsigned int i;
790
791
792 for (i = 0; i < cfg_hdr->ddt_num; ++i) {
793 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN) ||
794 (cfg_dde[i].data_type == ACF_SEC_TYPE_REG) ||
795 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG)) &&
796 (aw_dev->chip_id == cfg_dde[i].chip_id) &&
797 (aw_dev->channel == cfg_dde[i].dev_index))
798 (*scene_num)++;
799 }
800
801 if ((*scene_num) == 0) {
802 dev_err(aw_dev->dev, "failed to obtain scene, scenu_num = %d\n", (*scene_num));
803 return -EINVAL;
804 }
805
806 return 0;
807 }
808
aw_dev_parse_scene_count_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg,unsigned int * count)809 static int aw_dev_parse_scene_count_v1(struct aw_device *aw_dev,
810 struct aw_container *aw_cfg,
811 unsigned int *count)
812 {
813 int ret;
814
815 ret = aw_get_dde_type_info(aw_dev, aw_cfg);
816 if (ret < 0)
817 return ret;
818
819 switch (aw_dev->prof_info.prof_type) {
820 case AW88395_DEV_TYPE_ID:
821 ret = aw_get_dev_scene_count_v1(aw_dev, aw_cfg, count);
822 break;
823 case AW88395_DEV_DEFAULT_TYPE_ID:
824 ret = aw_get_default_scene_count_v1(aw_dev, aw_cfg, count);
825 break;
826 default:
827 dev_err(aw_dev->dev, "unsupported prof_type[%x]", aw_dev->prof_info.prof_type);
828 ret = -EINVAL;
829 break;
830 }
831
832 return ret;
833 }
834
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)835 static int aw_dev_parse_data_by_sec_type_v1(struct aw_device *aw_dev,
836 struct aw_cfg_hdr *prof_hdr,
837 struct aw_cfg_dde_v1 *cfg_dde,
838 int *cur_scene_id)
839 {
840 struct aw_prof_info *prof_info = &aw_dev->prof_info;
841 int ret;
842
843 switch (cfg_dde->data_type) {
844 case ACF_SEC_TYPE_MULTIPLE_BIN:
845 ret = aw_dev_prof_parse_multi_bin(aw_dev, (u8 *)prof_hdr + cfg_dde->data_offset,
846 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]);
847 if (ret < 0) {
848 dev_err(aw_dev->dev, "parse multi bin failed");
849 return ret;
850 }
851 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str;
852 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile;
853 (*cur_scene_id)++;
854 break;
855 case ACF_SEC_TYPE_HDR_REG:
856 ret = aw_dev_parse_reg_bin_with_hdr(aw_dev,
857 (uint8_t *)prof_hdr + cfg_dde->data_offset,
858 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]);
859 if (ret < 0) {
860 dev_err(aw_dev->dev, "parse reg bin with hdr failed");
861 return ret;
862 }
863 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str;
864 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile;
865 (*cur_scene_id)++;
866 break;
867 default:
868 dev_err(aw_dev->dev, "unsupported SEC_TYPE [%d]", cfg_dde->data_type);
869 return -EINVAL;
870 }
871
872 return 0;
873 }
874
aw_dev_parse_dev_type_v1(struct aw_device * aw_dev,struct aw_cfg_hdr * prof_hdr)875 static int aw_dev_parse_dev_type_v1(struct aw_device *aw_dev,
876 struct aw_cfg_hdr *prof_hdr)
877 {
878 struct aw_cfg_dde_v1 *cfg_dde =
879 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset);
880 int cur_scene_id = 0;
881 unsigned int i;
882 int ret;
883
884 for (i = 0; i < prof_hdr->ddt_num; i++) {
885 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
886 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) &&
887 (aw_dev->chip_id == cfg_dde[i].chip_id)) {
888 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr,
889 &cfg_dde[i], &cur_scene_id);
890 if (ret < 0) {
891 dev_err(aw_dev->dev, "parse failed");
892 return ret;
893 }
894 }
895 }
896
897 if (cur_scene_id == 0) {
898 dev_err(aw_dev->dev, "get dev type failed, get num [%d]", cur_scene_id);
899 return -EINVAL;
900 }
901
902 return 0;
903 }
904
aw_dev_parse_default_type_v1(struct aw_device * aw_dev,struct aw_cfg_hdr * prof_hdr)905 static int aw_dev_parse_default_type_v1(struct aw_device *aw_dev,
906 struct aw_cfg_hdr *prof_hdr)
907 {
908 struct aw_cfg_dde_v1 *cfg_dde =
909 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset);
910 int cur_scene_id = 0;
911 unsigned int i;
912 int ret;
913
914 for (i = 0; i < prof_hdr->ddt_num; i++) {
915 if ((aw_dev->channel == cfg_dde[i].dev_index) &&
916 (aw_dev->chip_id == cfg_dde[i].chip_id)) {
917 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr,
918 &cfg_dde[i], &cur_scene_id);
919 if (ret < 0) {
920 dev_err(aw_dev->dev, "parse failed");
921 return ret;
922 }
923 }
924 }
925
926 if (cur_scene_id == 0) {
927 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", cur_scene_id);
928 return -EINVAL;
929 }
930
931 return 0;
932 }
933
aw_dev_parse_by_hdr_v1(struct aw_device * aw_dev,struct aw_cfg_hdr * cfg_hdr)934 static int aw_dev_parse_by_hdr_v1(struct aw_device *aw_dev,
935 struct aw_cfg_hdr *cfg_hdr)
936 {
937 int ret;
938
939 switch (aw_dev->prof_info.prof_type) {
940 case AW88395_DEV_TYPE_ID:
941 ret = aw_dev_parse_dev_type_v1(aw_dev, cfg_hdr);
942 break;
943 case AW88395_DEV_DEFAULT_TYPE_ID:
944 ret = aw_dev_parse_default_type_v1(aw_dev, cfg_hdr);
945 break;
946 default:
947 dev_err(aw_dev->dev, "prof type matched failed, get num[%d]",
948 aw_dev->prof_info.prof_type);
949 ret = -EINVAL;
950 break;
951 }
952
953 return ret;
954 }
955
aw_dev_load_cfg_by_hdr_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg)956 static int aw_dev_load_cfg_by_hdr_v1(struct aw_device *aw_dev,
957 struct aw_container *aw_cfg)
958 {
959 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
960 struct aw_prof_info *prof_info = &aw_dev->prof_info;
961 int ret;
962
963 ret = aw_dev_parse_scene_count_v1(aw_dev, aw_cfg, &prof_info->count);
964 if (ret < 0) {
965 dev_err(aw_dev->dev, "get scene count failed");
966 return ret;
967 }
968
969 prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
970 prof_info->count, sizeof(struct aw_prof_desc),
971 GFP_KERNEL);
972 if (!prof_info->prof_desc)
973 return -ENOMEM;
974
975 ret = aw_dev_parse_by_hdr_v1(aw_dev, cfg_hdr);
976 if (ret < 0) {
977 dev_err(aw_dev->dev, "parse hdr failed");
978 return ret;
979 }
980
981 ret = aw_dev_create_prof_name_list_v1(aw_dev);
982 if (ret < 0) {
983 dev_err(aw_dev->dev, "create prof name list failed");
984 return ret;
985 }
986
987 return 0;
988 }
989
aw88395_dev_cfg_load(struct aw_device * aw_dev,struct aw_container * aw_cfg)990 int aw88395_dev_cfg_load(struct aw_device *aw_dev, struct aw_container *aw_cfg)
991 {
992 struct aw_cfg_hdr *cfg_hdr;
993 int ret;
994
995 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
996
997 switch (cfg_hdr->hdr_version) {
998 case AW88395_CFG_HDR_VER:
999 ret = aw_dev_load_cfg_by_hdr(aw_dev, cfg_hdr);
1000 if (ret < 0) {
1001 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed",
1002 cfg_hdr->hdr_version);
1003 return ret;
1004 }
1005 break;
1006 case AW88395_CFG_HDR_VER_V1:
1007 ret = aw_dev_load_cfg_by_hdr_v1(aw_dev, aw_cfg);
1008 if (ret < 0) {
1009 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed",
1010 cfg_hdr->hdr_version);
1011 return ret;
1012 }
1013 break;
1014 default:
1015 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version);
1016 return -EINVAL;
1017 }
1018 aw_dev->fw_status = AW88395_DEV_FW_OK;
1019
1020 return 0;
1021 }
1022 EXPORT_SYMBOL_GPL(aw88395_dev_cfg_load);
1023
aw_dev_check_cfg_by_hdr(struct aw_device * aw_dev,struct aw_container * aw_cfg)1024 static int aw_dev_check_cfg_by_hdr(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1025 {
1026 unsigned int end_data_offset;
1027 struct aw_cfg_hdr *cfg_hdr;
1028 struct aw_cfg_dde *cfg_dde;
1029 unsigned int act_data = 0;
1030 unsigned int hdr_ddt_len;
1031 unsigned int i;
1032 u8 act_crc8;
1033
1034 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1035 /* check file type id is awinic acf file */
1036 if (cfg_hdr->id != ACF_FILE_ID) {
1037 dev_err(aw_dev->dev, "not acf type file");
1038 return -EINVAL;
1039 }
1040
1041 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size;
1042 if (hdr_ddt_len > aw_cfg->len) {
1043 dev_err(aw_dev->dev, "hdr_len with ddt_len [%d] overflow file size[%d]",
1044 cfg_hdr->hdr_offset, aw_cfg->len);
1045 return -EINVAL;
1046 }
1047
1048 /* check data size */
1049 cfg_dde = (struct aw_cfg_dde *)((char *)aw_cfg->data + cfg_hdr->hdr_offset);
1050 act_data += hdr_ddt_len;
1051 for (i = 0; i < cfg_hdr->ddt_num; i++)
1052 act_data += cfg_dde[i].data_size;
1053
1054 if (act_data != aw_cfg->len) {
1055 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!",
1056 act_data, aw_cfg->len);
1057 return -EINVAL;
1058 }
1059
1060 for (i = 0; i < cfg_hdr->ddt_num; i++) {
1061 /* data check */
1062 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size;
1063 if (end_data_offset > aw_cfg->len) {
1064 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]",
1065 i, end_data_offset, aw_cfg->len);
1066 return -EINVAL;
1067 }
1068
1069 /* crc check */
1070 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset,
1071 cfg_dde[i].data_size, 0);
1072 if (act_crc8 != cfg_dde[i].data_crc) {
1073 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc:0x%x",
1074 i, (u32)act_crc8, cfg_dde[i].data_crc);
1075 return -EINVAL;
1076 }
1077 }
1078
1079 return 0;
1080 }
1081
aw_dev_check_acf_by_hdr_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg)1082 static int aw_dev_check_acf_by_hdr_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1083 {
1084 struct aw_cfg_dde_v1 *cfg_dde;
1085 unsigned int end_data_offset;
1086 struct aw_cfg_hdr *cfg_hdr;
1087 unsigned int act_data = 0;
1088 unsigned int hdr_ddt_len;
1089 u8 act_crc8;
1090 int i;
1091
1092 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1093
1094 /* check file type id is awinic acf file */
1095 if (cfg_hdr->id != ACF_FILE_ID) {
1096 dev_err(aw_dev->dev, "not acf type file");
1097 return -EINVAL;
1098 }
1099
1100 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size;
1101 if (hdr_ddt_len > aw_cfg->len) {
1102 dev_err(aw_dev->dev, "hdrlen with ddt_len [%d] overflow file size[%d]",
1103 cfg_hdr->hdr_offset, aw_cfg->len);
1104 return -EINVAL;
1105 }
1106
1107 /* check data size */
1108 cfg_dde = (struct aw_cfg_dde_v1 *)((char *)aw_cfg->data + cfg_hdr->hdr_offset);
1109 act_data += hdr_ddt_len;
1110 for (i = 0; i < cfg_hdr->ddt_num; i++)
1111 act_data += cfg_dde[i].data_size;
1112
1113 if (act_data != aw_cfg->len) {
1114 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!",
1115 act_data, aw_cfg->len);
1116 return -EINVAL;
1117 }
1118
1119 for (i = 0; i < cfg_hdr->ddt_num; i++) {
1120 /* data check */
1121 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size;
1122 if (end_data_offset > aw_cfg->len) {
1123 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]",
1124 i, end_data_offset, aw_cfg->len);
1125 return -EINVAL;
1126 }
1127
1128 /* crc check */
1129 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset,
1130 cfg_dde[i].data_size, 0);
1131 if (act_crc8 != cfg_dde[i].data_crc) {
1132 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc 0x%x",
1133 i, (u32)act_crc8, cfg_dde[i].data_crc);
1134 return -EINVAL;
1135 }
1136 }
1137
1138 return 0;
1139 }
1140
aw88395_dev_load_acf_check(struct aw_device * aw_dev,struct aw_container * aw_cfg)1141 int aw88395_dev_load_acf_check(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1142 {
1143 struct aw_cfg_hdr *cfg_hdr;
1144
1145 if (!aw_cfg) {
1146 dev_err(aw_dev->dev, "aw_prof is NULL");
1147 return -EINVAL;
1148 }
1149
1150 if (aw_cfg->len < sizeof(struct aw_cfg_hdr)) {
1151 dev_err(aw_dev->dev, "cfg hdr size[%d] overflow file size[%d]",
1152 aw_cfg->len, (int)sizeof(struct aw_cfg_hdr));
1153 return -EINVAL;
1154 }
1155
1156 crc8_populate_lsb(aw_crc8_table, AW88395_CRC8_POLYNOMIAL);
1157
1158 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1159 switch (cfg_hdr->hdr_version) {
1160 case AW88395_CFG_HDR_VER:
1161 return aw_dev_check_cfg_by_hdr(aw_dev, aw_cfg);
1162 case AW88395_CFG_HDR_VER_V1:
1163 return aw_dev_check_acf_by_hdr_v1(aw_dev, aw_cfg);
1164 default:
1165 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version);
1166 return -EINVAL;
1167 }
1168
1169 return 0;
1170 }
1171 EXPORT_SYMBOL_GPL(aw88395_dev_load_acf_check);
1172
1173 MODULE_DESCRIPTION("AW88395 ACF File Parsing Lib");
1174 MODULE_LICENSE("GPL v2");
1175