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_obj(*all_prof_info);
669 if (!all_prof_info)
670 return -ENOMEM;
671
672 ret = aw_dev_parse_dev_type(aw_dev, prof_hdr, all_prof_info);
673 if (ret < 0) {
674 return ret;
675 } else if (ret == AW88395_DEV_TYPE_NONE) {
676 dev_dbg(aw_dev->dev, "get dev type num is 0, parse default dev");
677 ret = aw_dev_parse_dev_default_type(aw_dev, prof_hdr, all_prof_info);
678 if (ret < 0)
679 return ret;
680 }
681
682 switch (aw_dev->prof_data_type) {
683 case ACF_SEC_TYPE_MULTIPLE_BIN:
684 ret = aw_dev_cfg_get_multiple_valid_prof(aw_dev, all_prof_info);
685 break;
686 case ACF_SEC_TYPE_HDR_REG:
687 ret = aw_dev_cfg_get_reg_valid_prof(aw_dev, all_prof_info);
688 break;
689 default:
690 dev_err(aw_dev->dev, "unsupported data type\n");
691 ret = -EINVAL;
692 break;
693 }
694 if (!ret)
695 aw_dev->prof_info.prof_name_list = profile_name;
696
697 return ret;
698 }
699
aw_dev_create_prof_name_list_v1(struct aw_device * aw_dev)700 static int aw_dev_create_prof_name_list_v1(struct aw_device *aw_dev)
701 {
702 struct aw_prof_info *prof_info = &aw_dev->prof_info;
703 struct aw_prof_desc *prof_desc = prof_info->prof_desc;
704 int i;
705
706 if (!prof_desc) {
707 dev_err(aw_dev->dev, "prof_desc is NULL");
708 return -EINVAL;
709 }
710
711 prof_info->prof_name_list = devm_kzalloc(aw_dev->dev,
712 prof_info->count * PROFILE_STR_MAX,
713 GFP_KERNEL);
714 if (!prof_info->prof_name_list)
715 return -ENOMEM;
716
717 for (i = 0; i < prof_info->count; i++) {
718 prof_desc[i].id = i;
719 prof_info->prof_name_list[i] = prof_desc[i].prf_str;
720 dev_dbg(aw_dev->dev, "prof name is %s", prof_info->prof_name_list[i]);
721 }
722
723 return 0;
724 }
725
aw_get_dde_type_info(struct aw_device * aw_dev,struct aw_container * aw_cfg)726 static int aw_get_dde_type_info(struct aw_device *aw_dev, struct aw_container *aw_cfg)
727 {
728 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
729 struct aw_cfg_dde_v1 *cfg_dde =
730 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
731 int default_num = 0;
732 int dev_num = 0;
733 unsigned int i;
734
735 for (i = 0; i < cfg_hdr->ddt_num; i++) {
736 if (cfg_dde[i].type == AW88395_DEV_TYPE_ID)
737 dev_num++;
738
739 if (cfg_dde[i].type == AW88395_DEV_DEFAULT_TYPE_ID)
740 default_num++;
741 }
742
743 if (dev_num != 0) {
744 aw_dev->prof_info.prof_type = AW88395_DEV_TYPE_ID;
745 } else if (default_num != 0) {
746 aw_dev->prof_info.prof_type = AW88395_DEV_DEFAULT_TYPE_ID;
747 } else {
748 dev_err(aw_dev->dev, "can't find scene");
749 return -EINVAL;
750 }
751
752 return 0;
753 }
754
aw_get_dev_scene_count_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg,unsigned int * scene_num)755 static int aw_get_dev_scene_count_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg,
756 unsigned int *scene_num)
757 {
758 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
759 struct aw_cfg_dde_v1 *cfg_dde =
760 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
761 unsigned int i;
762
763 for (i = 0; i < cfg_hdr->ddt_num; ++i) {
764 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_REG) ||
765 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG) ||
766 (cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN)) &&
767 (aw_dev->chip_id == cfg_dde[i].chip_id) &&
768 (aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
769 (aw_dev->i2c->addr == cfg_dde[i].dev_addr))
770 (*scene_num)++;
771 }
772
773 if ((*scene_num) == 0) {
774 dev_err(aw_dev->dev, "failed to obtain scene, scenu_num = %d\n", (*scene_num));
775 return -EINVAL;
776 }
777
778 return 0;
779 }
780
aw_get_default_scene_count_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg,unsigned int * scene_num)781 static int aw_get_default_scene_count_v1(struct aw_device *aw_dev,
782 struct aw_container *aw_cfg,
783 unsigned int *scene_num)
784 {
785 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
786 struct aw_cfg_dde_v1 *cfg_dde =
787 (struct aw_cfg_dde_v1 *)(aw_cfg->data + cfg_hdr->hdr_offset);
788 unsigned int i;
789
790
791 for (i = 0; i < cfg_hdr->ddt_num; ++i) {
792 if (((cfg_dde[i].data_type == ACF_SEC_TYPE_MULTIPLE_BIN) ||
793 (cfg_dde[i].data_type == ACF_SEC_TYPE_REG) ||
794 (cfg_dde[i].data_type == ACF_SEC_TYPE_HDR_REG)) &&
795 (aw_dev->chip_id == cfg_dde[i].chip_id) &&
796 (aw_dev->channel == cfg_dde[i].dev_index))
797 (*scene_num)++;
798 }
799
800 if ((*scene_num) == 0) {
801 dev_err(aw_dev->dev, "failed to obtain scene, scenu_num = %d\n", (*scene_num));
802 return -EINVAL;
803 }
804
805 return 0;
806 }
807
aw_dev_parse_scene_count_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg,unsigned int * count)808 static int aw_dev_parse_scene_count_v1(struct aw_device *aw_dev,
809 struct aw_container *aw_cfg,
810 unsigned int *count)
811 {
812 int ret;
813
814 ret = aw_get_dde_type_info(aw_dev, aw_cfg);
815 if (ret < 0)
816 return ret;
817
818 switch (aw_dev->prof_info.prof_type) {
819 case AW88395_DEV_TYPE_ID:
820 ret = aw_get_dev_scene_count_v1(aw_dev, aw_cfg, count);
821 break;
822 case AW88395_DEV_DEFAULT_TYPE_ID:
823 ret = aw_get_default_scene_count_v1(aw_dev, aw_cfg, count);
824 break;
825 default:
826 dev_err(aw_dev->dev, "unsupported prof_type[%x]", aw_dev->prof_info.prof_type);
827 ret = -EINVAL;
828 break;
829 }
830
831 return ret;
832 }
833
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)834 static int aw_dev_parse_data_by_sec_type_v1(struct aw_device *aw_dev,
835 struct aw_cfg_hdr *prof_hdr,
836 struct aw_cfg_dde_v1 *cfg_dde,
837 int *cur_scene_id)
838 {
839 struct aw_prof_info *prof_info = &aw_dev->prof_info;
840 int ret;
841
842 switch (cfg_dde->data_type) {
843 case ACF_SEC_TYPE_MULTIPLE_BIN:
844 ret = aw_dev_prof_parse_multi_bin(aw_dev, (u8 *)prof_hdr + cfg_dde->data_offset,
845 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]);
846 if (ret < 0) {
847 dev_err(aw_dev->dev, "parse multi bin failed");
848 return ret;
849 }
850 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str;
851 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile;
852 (*cur_scene_id)++;
853 break;
854 case ACF_SEC_TYPE_HDR_REG:
855 ret = aw_dev_parse_reg_bin_with_hdr(aw_dev,
856 (uint8_t *)prof_hdr + cfg_dde->data_offset,
857 cfg_dde->data_size, &prof_info->prof_desc[*cur_scene_id]);
858 if (ret < 0) {
859 dev_err(aw_dev->dev, "parse reg bin with hdr failed");
860 return ret;
861 }
862 prof_info->prof_desc[*cur_scene_id].prf_str = cfg_dde->dev_profile_str;
863 prof_info->prof_desc[*cur_scene_id].id = cfg_dde->dev_profile;
864 (*cur_scene_id)++;
865 break;
866 default:
867 dev_err(aw_dev->dev, "unsupported SEC_TYPE [%d]", cfg_dde->data_type);
868 return -EINVAL;
869 }
870
871 return 0;
872 }
873
aw_dev_parse_dev_type_v1(struct aw_device * aw_dev,struct aw_cfg_hdr * prof_hdr)874 static int aw_dev_parse_dev_type_v1(struct aw_device *aw_dev,
875 struct aw_cfg_hdr *prof_hdr)
876 {
877 struct aw_cfg_dde_v1 *cfg_dde =
878 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset);
879 int cur_scene_id = 0;
880 unsigned int i;
881 int ret;
882
883 for (i = 0; i < prof_hdr->ddt_num; i++) {
884 if ((aw_dev->i2c->adapter->nr == cfg_dde[i].dev_bus) &&
885 (aw_dev->i2c->addr == cfg_dde[i].dev_addr) &&
886 (aw_dev->chip_id == cfg_dde[i].chip_id)) {
887 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr,
888 &cfg_dde[i], &cur_scene_id);
889 if (ret < 0) {
890 dev_err(aw_dev->dev, "parse failed");
891 return ret;
892 }
893 }
894 }
895
896 if (cur_scene_id == 0) {
897 dev_err(aw_dev->dev, "get dev type failed, get num [%d]", cur_scene_id);
898 return -EINVAL;
899 }
900
901 return 0;
902 }
903
aw_dev_parse_default_type_v1(struct aw_device * aw_dev,struct aw_cfg_hdr * prof_hdr)904 static int aw_dev_parse_default_type_v1(struct aw_device *aw_dev,
905 struct aw_cfg_hdr *prof_hdr)
906 {
907 struct aw_cfg_dde_v1 *cfg_dde =
908 (struct aw_cfg_dde_v1 *)((char *)prof_hdr + prof_hdr->hdr_offset);
909 int cur_scene_id = 0;
910 unsigned int i;
911 int ret;
912
913 for (i = 0; i < prof_hdr->ddt_num; i++) {
914 if ((aw_dev->channel == cfg_dde[i].dev_index) &&
915 (aw_dev->chip_id == cfg_dde[i].chip_id)) {
916 ret = aw_dev_parse_data_by_sec_type_v1(aw_dev, prof_hdr,
917 &cfg_dde[i], &cur_scene_id);
918 if (ret < 0) {
919 dev_err(aw_dev->dev, "parse failed");
920 return ret;
921 }
922 }
923 }
924
925 if (cur_scene_id == 0) {
926 dev_err(aw_dev->dev, "get dev default type failed, get num[%d]", cur_scene_id);
927 return -EINVAL;
928 }
929
930 return 0;
931 }
932
aw_dev_parse_by_hdr_v1(struct aw_device * aw_dev,struct aw_cfg_hdr * cfg_hdr)933 static int aw_dev_parse_by_hdr_v1(struct aw_device *aw_dev,
934 struct aw_cfg_hdr *cfg_hdr)
935 {
936 int ret;
937
938 switch (aw_dev->prof_info.prof_type) {
939 case AW88395_DEV_TYPE_ID:
940 ret = aw_dev_parse_dev_type_v1(aw_dev, cfg_hdr);
941 break;
942 case AW88395_DEV_DEFAULT_TYPE_ID:
943 ret = aw_dev_parse_default_type_v1(aw_dev, cfg_hdr);
944 break;
945 default:
946 dev_err(aw_dev->dev, "prof type matched failed, get num[%d]",
947 aw_dev->prof_info.prof_type);
948 ret = -EINVAL;
949 break;
950 }
951
952 return ret;
953 }
954
aw_dev_load_cfg_by_hdr_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg)955 static int aw_dev_load_cfg_by_hdr_v1(struct aw_device *aw_dev,
956 struct aw_container *aw_cfg)
957 {
958 struct aw_cfg_hdr *cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
959 struct aw_prof_info *prof_info = &aw_dev->prof_info;
960 int ret;
961
962 ret = aw_dev_parse_scene_count_v1(aw_dev, aw_cfg, &prof_info->count);
963 if (ret < 0) {
964 dev_err(aw_dev->dev, "get scene count failed");
965 return ret;
966 }
967
968 prof_info->prof_desc = devm_kcalloc(aw_dev->dev,
969 prof_info->count, sizeof(struct aw_prof_desc),
970 GFP_KERNEL);
971 if (!prof_info->prof_desc)
972 return -ENOMEM;
973
974 ret = aw_dev_parse_by_hdr_v1(aw_dev, cfg_hdr);
975 if (ret < 0) {
976 dev_err(aw_dev->dev, "parse hdr failed");
977 return ret;
978 }
979
980 ret = aw_dev_create_prof_name_list_v1(aw_dev);
981 if (ret < 0) {
982 dev_err(aw_dev->dev, "create prof name list failed");
983 return ret;
984 }
985
986 return 0;
987 }
988
aw88395_dev_cfg_load(struct aw_device * aw_dev,struct aw_container * aw_cfg)989 int aw88395_dev_cfg_load(struct aw_device *aw_dev, struct aw_container *aw_cfg)
990 {
991 struct aw_cfg_hdr *cfg_hdr;
992 int ret;
993
994 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
995
996 switch (cfg_hdr->hdr_version) {
997 case AW88395_CFG_HDR_VER:
998 ret = aw_dev_load_cfg_by_hdr(aw_dev, cfg_hdr);
999 if (ret < 0) {
1000 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed",
1001 cfg_hdr->hdr_version);
1002 return ret;
1003 }
1004 break;
1005 case AW88395_CFG_HDR_VER_V1:
1006 ret = aw_dev_load_cfg_by_hdr_v1(aw_dev, aw_cfg);
1007 if (ret < 0) {
1008 dev_err(aw_dev->dev, "hdr_version[0x%x] parse failed",
1009 cfg_hdr->hdr_version);
1010 return ret;
1011 }
1012 break;
1013 default:
1014 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version);
1015 return -EINVAL;
1016 }
1017 aw_dev->fw_status = AW88395_DEV_FW_OK;
1018
1019 return 0;
1020 }
1021 EXPORT_SYMBOL_GPL(aw88395_dev_cfg_load);
1022
aw_dev_check_cfg_by_hdr(struct aw_device * aw_dev,struct aw_container * aw_cfg)1023 static int aw_dev_check_cfg_by_hdr(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1024 {
1025 unsigned int end_data_offset;
1026 struct aw_cfg_hdr *cfg_hdr;
1027 struct aw_cfg_dde *cfg_dde;
1028 unsigned int act_data = 0;
1029 unsigned int hdr_ddt_len;
1030 unsigned int i;
1031 u8 act_crc8;
1032
1033 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1034 /* check file type id is awinic acf file */
1035 if (cfg_hdr->id != ACF_FILE_ID) {
1036 dev_err(aw_dev->dev, "not acf type file");
1037 return -EINVAL;
1038 }
1039
1040 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size;
1041 if (hdr_ddt_len > aw_cfg->len) {
1042 dev_err(aw_dev->dev, "hdr_len with ddt_len [%d] overflow file size[%d]",
1043 cfg_hdr->hdr_offset, aw_cfg->len);
1044 return -EINVAL;
1045 }
1046
1047 /* check data size */
1048 cfg_dde = (struct aw_cfg_dde *)((char *)aw_cfg->data + cfg_hdr->hdr_offset);
1049 act_data += hdr_ddt_len;
1050 for (i = 0; i < cfg_hdr->ddt_num; i++)
1051 act_data += cfg_dde[i].data_size;
1052
1053 if (act_data != aw_cfg->len) {
1054 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!",
1055 act_data, aw_cfg->len);
1056 return -EINVAL;
1057 }
1058
1059 for (i = 0; i < cfg_hdr->ddt_num; i++) {
1060 /* data check */
1061 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size;
1062 if (end_data_offset > aw_cfg->len) {
1063 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]",
1064 i, end_data_offset, aw_cfg->len);
1065 return -EINVAL;
1066 }
1067
1068 /* crc check */
1069 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset,
1070 cfg_dde[i].data_size, 0);
1071 if (act_crc8 != cfg_dde[i].data_crc) {
1072 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc:0x%x",
1073 i, (u32)act_crc8, cfg_dde[i].data_crc);
1074 return -EINVAL;
1075 }
1076 }
1077
1078 return 0;
1079 }
1080
aw_dev_check_acf_by_hdr_v1(struct aw_device * aw_dev,struct aw_container * aw_cfg)1081 static int aw_dev_check_acf_by_hdr_v1(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1082 {
1083 struct aw_cfg_dde_v1 *cfg_dde;
1084 unsigned int end_data_offset;
1085 struct aw_cfg_hdr *cfg_hdr;
1086 unsigned int act_data = 0;
1087 unsigned int hdr_ddt_len;
1088 u8 act_crc8;
1089 int i;
1090
1091 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1092
1093 /* check file type id is awinic acf file */
1094 if (cfg_hdr->id != ACF_FILE_ID) {
1095 dev_err(aw_dev->dev, "not acf type file");
1096 return -EINVAL;
1097 }
1098
1099 hdr_ddt_len = cfg_hdr->hdr_offset + cfg_hdr->ddt_size;
1100 if (hdr_ddt_len > aw_cfg->len) {
1101 dev_err(aw_dev->dev, "hdrlen with ddt_len [%d] overflow file size[%d]",
1102 cfg_hdr->hdr_offset, aw_cfg->len);
1103 return -EINVAL;
1104 }
1105
1106 /* check data size */
1107 cfg_dde = (struct aw_cfg_dde_v1 *)((char *)aw_cfg->data + cfg_hdr->hdr_offset);
1108 act_data += hdr_ddt_len;
1109 for (i = 0; i < cfg_hdr->ddt_num; i++)
1110 act_data += cfg_dde[i].data_size;
1111
1112 if (act_data != aw_cfg->len) {
1113 dev_err(aw_dev->dev, "act_data[%d] not equal to file size[%d]!",
1114 act_data, aw_cfg->len);
1115 return -EINVAL;
1116 }
1117
1118 for (i = 0; i < cfg_hdr->ddt_num; i++) {
1119 /* data check */
1120 end_data_offset = cfg_dde[i].data_offset + cfg_dde[i].data_size;
1121 if (end_data_offset > aw_cfg->len) {
1122 dev_err(aw_dev->dev, "ddt_num[%d] end_data_offset[%d] overflow size[%d]",
1123 i, end_data_offset, aw_cfg->len);
1124 return -EINVAL;
1125 }
1126
1127 /* crc check */
1128 act_crc8 = crc8(aw_crc8_table, aw_cfg->data + cfg_dde[i].data_offset,
1129 cfg_dde[i].data_size, 0);
1130 if (act_crc8 != cfg_dde[i].data_crc) {
1131 dev_err(aw_dev->dev, "ddt_num[%d] act_crc8:0x%x != data_crc 0x%x",
1132 i, (u32)act_crc8, cfg_dde[i].data_crc);
1133 return -EINVAL;
1134 }
1135 }
1136
1137 return 0;
1138 }
1139
aw88395_dev_load_acf_check(struct aw_device * aw_dev,struct aw_container * aw_cfg)1140 int aw88395_dev_load_acf_check(struct aw_device *aw_dev, struct aw_container *aw_cfg)
1141 {
1142 struct aw_cfg_hdr *cfg_hdr;
1143
1144 if (!aw_cfg) {
1145 dev_err(aw_dev->dev, "aw_prof is NULL");
1146 return -EINVAL;
1147 }
1148
1149 if (aw_cfg->len < sizeof(struct aw_cfg_hdr)) {
1150 dev_err(aw_dev->dev, "cfg hdr size[%d] overflow file size[%d]",
1151 aw_cfg->len, (int)sizeof(struct aw_cfg_hdr));
1152 return -EINVAL;
1153 }
1154
1155 crc8_populate_lsb(aw_crc8_table, AW88395_CRC8_POLYNOMIAL);
1156
1157 cfg_hdr = (struct aw_cfg_hdr *)aw_cfg->data;
1158 switch (cfg_hdr->hdr_version) {
1159 case AW88395_CFG_HDR_VER:
1160 return aw_dev_check_cfg_by_hdr(aw_dev, aw_cfg);
1161 case AW88395_CFG_HDR_VER_V1:
1162 return aw_dev_check_acf_by_hdr_v1(aw_dev, aw_cfg);
1163 default:
1164 dev_err(aw_dev->dev, "unsupported hdr_version [0x%x]", cfg_hdr->hdr_version);
1165 return -EINVAL;
1166 }
1167
1168 return 0;
1169 }
1170 EXPORT_SYMBOL_GPL(aw88395_dev_load_acf_check);
1171
1172 MODULE_DESCRIPTION("AW88395 ACF File Parsing Lib");
1173 MODULE_LICENSE("GPL v2");
1174