1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // tas2781-fmwlib.c -- TASDEVICE firmware support
4 //
5 // Copyright 2023 - 2024 Texas Instruments, Inc.
6 //
7 // Author: Shenghao Ding <shenghao-ding@ti.com>
8 
9 #include <linux/crc8.h>
10 #include <linux/firmware.h>
11 #include <linux/i2c.h>
12 #include <linux/init.h>
13 #include <linux/interrupt.h>
14 #include <linux/module.h>
15 #include <linux/of.h>
16 #include <linux/of_gpio.h>
17 #include <linux/of_irq.h>
18 #include <linux/regmap.h>
19 #include <linux/slab.h>
20 #include <sound/pcm_params.h>
21 #include <sound/soc.h>
22 #include <sound/tlv.h>
23 #include <sound/tas2781.h>
24 #include <asm/unaligned.h>
25 
26 #define ERROR_PRAM_CRCCHK			0x0000000
27 #define ERROR_YRAM_CRCCHK			0x0000001
28 #define	PPC_DRIVER_CRCCHK			0x00000200
29 
30 #define TAS2781_SA_COEFF_SWAP_REG		TASDEVICE_REG(0, 0x35, 0x2c)
31 #define TAS2781_YRAM_BOOK1			140
32 #define TAS2781_YRAM1_PAGE			42
33 #define TAS2781_YRAM1_START_REG			88
34 
35 #define TAS2781_YRAM2_START_PAGE		43
36 #define TAS2781_YRAM2_END_PAGE			49
37 #define TAS2781_YRAM2_START_REG			8
38 #define TAS2781_YRAM2_END_REG			127
39 
40 #define TAS2781_YRAM3_PAGE			50
41 #define TAS2781_YRAM3_START_REG			8
42 #define TAS2781_YRAM3_END_REG			27
43 
44 /*should not include B0_P53_R44-R47 */
45 #define TAS2781_YRAM_BOOK2			0
46 #define TAS2781_YRAM4_START_PAGE		50
47 #define TAS2781_YRAM4_END_PAGE			60
48 
49 #define TAS2781_YRAM5_PAGE			61
50 #define TAS2781_YRAM5_START_REG			TAS2781_YRAM3_START_REG
51 #define TAS2781_YRAM5_END_REG			TAS2781_YRAM3_END_REG
52 
53 #define TASDEVICE_MAXPROGRAM_NUM_KERNEL			5
54 #define TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS	64
55 #define TASDEVICE_MAXCONFIG_NUM_KERNEL			10
56 #define MAIN_ALL_DEVICES_1X				0x01
57 #define MAIN_DEVICE_A_1X				0x02
58 #define MAIN_DEVICE_B_1X				0x03
59 #define MAIN_DEVICE_C_1X				0x04
60 #define MAIN_DEVICE_D_1X				0x05
61 #define COEFF_DEVICE_A_1X				0x12
62 #define COEFF_DEVICE_B_1X				0x13
63 #define COEFF_DEVICE_C_1X				0x14
64 #define COEFF_DEVICE_D_1X				0x15
65 #define PRE_DEVICE_A_1X					0x22
66 #define PRE_DEVICE_B_1X					0x23
67 #define PRE_DEVICE_C_1X					0x24
68 #define PRE_DEVICE_D_1X					0x25
69 #define PRE_SOFTWARE_RESET_DEVICE_A			0x41
70 #define PRE_SOFTWARE_RESET_DEVICE_B			0x42
71 #define PRE_SOFTWARE_RESET_DEVICE_C			0x43
72 #define PRE_SOFTWARE_RESET_DEVICE_D			0x44
73 #define POST_SOFTWARE_RESET_DEVICE_A			0x45
74 #define POST_SOFTWARE_RESET_DEVICE_B			0x46
75 #define POST_SOFTWARE_RESET_DEVICE_C			0x47
76 #define POST_SOFTWARE_RESET_DEVICE_D			0x48
77 
78 struct tas_crc {
79 	unsigned char offset;
80 	unsigned char len;
81 };
82 
83 static const char deviceNumber[TASDEVICE_DSP_TAS_MAX_DEVICE] = {
84 	1, 2, 1, 2, 1, 1, 0, 2, 4, 3, 1, 2, 3, 4
85 };
86 
87 static struct tasdevice_config_info *tasdevice_add_config(
88 	struct tasdevice_priv *tas_priv, unsigned char *config_data,
89 	unsigned int config_size, int *status)
90 {
91 	struct tasdevice_config_info *cfg_info;
92 	struct tasdev_blk_data **bk_da;
93 	unsigned int config_offset = 0;
94 	unsigned int i;
95 
96 	/* In most projects are many audio cases, such as music, handfree,
97 	 * receiver, games, audio-to-haptics, PMIC record, bypass mode,
98 	 * portrait, landscape, etc. Even in multiple audios, one or
99 	 * two of the chips will work for the special case, such as
100 	 * ultrasonic application. In order to support these variable-numbers
101 	 * of audio cases, flexible configs have been introduced in the
102 	 * dsp firmware.
103 	 */
104 	cfg_info = kzalloc(sizeof(struct tasdevice_config_info), GFP_KERNEL);
105 	if (!cfg_info) {
106 		*status = -ENOMEM;
107 		goto out;
108 	}
109 
110 	if (tas_priv->rcabin.fw_hdr.binary_version_num >= 0x105) {
111 		if (config_offset + 64 > (int)config_size) {
112 			*status = -EINVAL;
113 			dev_err(tas_priv->dev, "add conf: Out of boundary\n");
114 			goto out;
115 		}
116 		config_offset += 64;
117 	}
118 
119 	if (config_offset + 4 > (int)config_size) {
120 		*status = -EINVAL;
121 		dev_err(tas_priv->dev, "add config: Out of boundary\n");
122 		goto out;
123 	}
124 
125 	/* convert data[offset], data[offset + 1], data[offset + 2] and
126 	 * data[offset + 3] into host
127 	 */
128 	cfg_info->nblocks = get_unaligned_be32(&config_data[config_offset]);
129 	config_offset += 4;
130 
131 	/* Several kinds of dsp/algorithm firmwares can run on tas2781,
132 	 * the number and size of blk are not fixed and different among
133 	 * these firmwares.
134 	 */
135 	bk_da = cfg_info->blk_data = kcalloc(cfg_info->nblocks,
136 		sizeof(struct tasdev_blk_data *), GFP_KERNEL);
137 	if (!bk_da) {
138 		*status = -ENOMEM;
139 		goto out;
140 	}
141 	cfg_info->real_nblocks = 0;
142 	for (i = 0; i < cfg_info->nblocks; i++) {
143 		if (config_offset + 12 > config_size) {
144 			*status = -EINVAL;
145 			dev_err(tas_priv->dev,
146 				"%s: Out of boundary: i = %d nblocks = %u!\n",
147 				__func__, i, cfg_info->nblocks);
148 			break;
149 		}
150 		bk_da[i] = kzalloc(sizeof(struct tasdev_blk_data), GFP_KERNEL);
151 		if (!bk_da[i]) {
152 			*status = -ENOMEM;
153 			break;
154 		}
155 
156 		bk_da[i]->dev_idx = config_data[config_offset];
157 		config_offset++;
158 
159 		bk_da[i]->block_type = config_data[config_offset];
160 		config_offset++;
161 
162 		if (bk_da[i]->block_type == TASDEVICE_BIN_BLK_PRE_POWER_UP) {
163 			if (bk_da[i]->dev_idx == 0)
164 				cfg_info->active_dev =
165 					(1 << tas_priv->ndev) - 1;
166 			else
167 				cfg_info->active_dev |= 1 <<
168 					(bk_da[i]->dev_idx - 1);
169 
170 		}
171 		bk_da[i]->yram_checksum =
172 			get_unaligned_be16(&config_data[config_offset]);
173 		config_offset += 2;
174 		bk_da[i]->block_size =
175 			get_unaligned_be32(&config_data[config_offset]);
176 		config_offset += 4;
177 
178 		bk_da[i]->n_subblks =
179 			get_unaligned_be32(&config_data[config_offset]);
180 
181 		config_offset += 4;
182 
183 		if (config_offset + bk_da[i]->block_size > config_size) {
184 			*status = -EINVAL;
185 			dev_err(tas_priv->dev,
186 				"%s: Out of boundary: i = %d blks = %u!\n",
187 				__func__, i, cfg_info->nblocks);
188 			break;
189 		}
190 		/* instead of kzalloc+memcpy */
191 		bk_da[i]->regdata = kmemdup(&config_data[config_offset],
192 			bk_da[i]->block_size, GFP_KERNEL);
193 		if (!bk_da[i]->regdata) {
194 			*status = -ENOMEM;
195 			goto out;
196 		}
197 
198 		config_offset += bk_da[i]->block_size;
199 		cfg_info->real_nblocks += 1;
200 	}
201 
202 out:
203 	return cfg_info;
204 }
205 
206 int tasdevice_rca_parser(void *context, const struct firmware *fmw)
207 {
208 	struct tasdevice_priv *tas_priv = context;
209 	struct tasdevice_config_info **cfg_info;
210 	struct tasdevice_rca_hdr *fw_hdr;
211 	struct tasdevice_rca *rca;
212 	unsigned int total_config_sz = 0;
213 	unsigned char *buf;
214 	int offset = 0;
215 	int ret = 0;
216 	int i;
217 
218 	rca = &(tas_priv->rcabin);
219 	fw_hdr = &(rca->fw_hdr);
220 	if (!fmw || !fmw->data) {
221 		dev_err(tas_priv->dev, "Failed to read %s\n",
222 			tas_priv->rca_binaryname);
223 		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
224 		ret = -EINVAL;
225 		goto out;
226 	}
227 	buf = (unsigned char *)fmw->data;
228 
229 	fw_hdr->img_sz = get_unaligned_be32(&buf[offset]);
230 	offset += 4;
231 	if (fw_hdr->img_sz != fmw->size) {
232 		dev_err(tas_priv->dev,
233 			"File size not match, %d %u", (int)fmw->size,
234 			fw_hdr->img_sz);
235 		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
236 		ret = -EINVAL;
237 		goto out;
238 	}
239 
240 	fw_hdr->checksum = get_unaligned_be32(&buf[offset]);
241 	offset += 4;
242 	fw_hdr->binary_version_num = get_unaligned_be32(&buf[offset]);
243 	if (fw_hdr->binary_version_num < 0x103) {
244 		dev_err(tas_priv->dev, "File version 0x%04x is too low",
245 			fw_hdr->binary_version_num);
246 		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
247 		ret = -EINVAL;
248 		goto out;
249 	}
250 	offset += 4;
251 	fw_hdr->drv_fw_version = get_unaligned_be32(&buf[offset]);
252 	offset += 8;
253 	fw_hdr->plat_type = buf[offset];
254 	offset += 1;
255 	fw_hdr->dev_family = buf[offset];
256 	offset += 1;
257 	fw_hdr->reserve = buf[offset];
258 	offset += 1;
259 	fw_hdr->ndev = buf[offset];
260 	offset += 1;
261 	if (fw_hdr->ndev != tas_priv->ndev) {
262 		dev_err(tas_priv->dev,
263 			"ndev(%u) in rcabin mismatch ndev(%u) in DTS\n",
264 			fw_hdr->ndev, tas_priv->ndev);
265 		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
266 		ret = -EINVAL;
267 		goto out;
268 	}
269 	if (offset + TASDEVICE_DEVICE_SUM > fw_hdr->img_sz) {
270 		dev_err(tas_priv->dev, "rca_ready: Out of boundary!\n");
271 		ret = -EINVAL;
272 		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
273 		goto out;
274 	}
275 
276 	for (i = 0; i < TASDEVICE_DEVICE_SUM; i++, offset++)
277 		fw_hdr->devs[i] = buf[offset];
278 
279 	fw_hdr->nconfig = get_unaligned_be32(&buf[offset]);
280 	offset += 4;
281 
282 	for (i = 0; i < TASDEVICE_CONFIG_SUM; i++) {
283 		fw_hdr->config_size[i] = get_unaligned_be32(&buf[offset]);
284 		offset += 4;
285 		total_config_sz += fw_hdr->config_size[i];
286 	}
287 
288 	if (fw_hdr->img_sz - total_config_sz != (unsigned int)offset) {
289 		dev_err(tas_priv->dev, "Bin file error!\n");
290 		ret = -EINVAL;
291 		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
292 		goto out;
293 	}
294 
295 	cfg_info = kcalloc(fw_hdr->nconfig, sizeof(*cfg_info), GFP_KERNEL);
296 	if (!cfg_info) {
297 		ret = -ENOMEM;
298 		tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
299 		goto out;
300 	}
301 	rca->cfg_info = cfg_info;
302 	rca->ncfgs = 0;
303 	for (i = 0; i < (int)fw_hdr->nconfig; i++) {
304 		rca->ncfgs += 1;
305 		cfg_info[i] = tasdevice_add_config(tas_priv, &buf[offset],
306 			fw_hdr->config_size[i], &ret);
307 		if (ret) {
308 			tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL;
309 			goto out;
310 		}
311 		offset += (int)fw_hdr->config_size[i];
312 	}
313 out:
314 	return ret;
315 }
316 EXPORT_SYMBOL_NS_GPL(tasdevice_rca_parser, SND_SOC_TAS2781_FMWLIB);
317 
318 static int fw_parse_block_data_kernel(struct tasdevice_fw *tas_fmw,
319 	struct tasdev_blk *block, const struct firmware *fmw, int offset)
320 {
321 	const unsigned char *data = fmw->data;
322 
323 	if (offset + 16 > fmw->size) {
324 		dev_err(tas_fmw->dev, "%s: File Size error\n", __func__);
325 		offset = -EINVAL;
326 		goto out;
327 	}
328 
329 	/* convert data[offset], data[offset + 1], data[offset + 2] and
330 	 * data[offset + 3] into host
331 	 */
332 	block->type = get_unaligned_be32(&data[offset]);
333 	offset += 4;
334 
335 	block->is_pchksum_present = data[offset];
336 	offset++;
337 
338 	block->pchksum = data[offset];
339 	offset++;
340 
341 	block->is_ychksum_present = data[offset];
342 	offset++;
343 
344 	block->ychksum = data[offset];
345 	offset++;
346 
347 	block->blk_size = get_unaligned_be32(&data[offset]);
348 	offset += 4;
349 
350 	block->nr_subblocks = get_unaligned_be32(&data[offset]);
351 	offset += 4;
352 
353 	if (offset + block->blk_size > fmw->size) {
354 		dev_err(tas_fmw->dev, "%s: nSublocks error\n", __func__);
355 		offset = -EINVAL;
356 		goto out;
357 	}
358 	/* instead of kzalloc+memcpy */
359 	block->data = kmemdup(&data[offset], block->blk_size, GFP_KERNEL);
360 	if (!block->data) {
361 		offset = -ENOMEM;
362 		goto out;
363 	}
364 	offset += block->blk_size;
365 
366 out:
367 	return offset;
368 }
369 
370 static int fw_parse_data_kernel(struct tasdevice_fw *tas_fmw,
371 	struct tasdevice_data *img_data, const struct firmware *fmw,
372 	int offset)
373 {
374 	const unsigned char *data = fmw->data;
375 	struct tasdev_blk *blk;
376 	unsigned int i;
377 
378 	if (offset + 4 > fmw->size) {
379 		dev_err(tas_fmw->dev, "%s: File Size error\n", __func__);
380 		offset = -EINVAL;
381 		goto out;
382 	}
383 	img_data->nr_blk = get_unaligned_be32(&data[offset]);
384 	offset += 4;
385 
386 	img_data->dev_blks = kcalloc(img_data->nr_blk,
387 		sizeof(struct tasdev_blk), GFP_KERNEL);
388 	if (!img_data->dev_blks) {
389 		offset = -ENOMEM;
390 		goto out;
391 	}
392 
393 	for (i = 0; i < img_data->nr_blk; i++) {
394 		blk = &(img_data->dev_blks[i]);
395 		offset = fw_parse_block_data_kernel(tas_fmw, blk, fmw, offset);
396 		if (offset < 0) {
397 			offset = -EINVAL;
398 			break;
399 		}
400 	}
401 
402 out:
403 	return offset;
404 }
405 
406 static int fw_parse_program_data_kernel(
407 	struct tasdevice_priv *tas_priv, struct tasdevice_fw *tas_fmw,
408 	const struct firmware *fmw, int offset)
409 {
410 	struct tasdevice_prog *program;
411 	unsigned int i;
412 
413 	for (i = 0; i < tas_fmw->nr_programs; i++) {
414 		program = &(tas_fmw->programs[i]);
415 		if (offset + 72 > fmw->size) {
416 			dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
417 			offset = -EINVAL;
418 			goto out;
419 		}
420 		/*skip 72 unused byts*/
421 		offset += 72;
422 
423 		offset = fw_parse_data_kernel(tas_fmw, &(program->dev_data),
424 			fmw, offset);
425 		if (offset < 0)
426 			goto out;
427 	}
428 
429 out:
430 	return offset;
431 }
432 
433 static int fw_parse_configuration_data_kernel(
434 	struct tasdevice_priv *tas_priv,
435 	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
436 {
437 	const unsigned char *data = fmw->data;
438 	struct tasdevice_config *config;
439 	unsigned int i;
440 
441 	for (i = 0; i < tas_fmw->nr_configurations; i++) {
442 		config = &(tas_fmw->configs[i]);
443 		if (offset + 80 > fmw->size) {
444 			dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
445 			offset = -EINVAL;
446 			goto out;
447 		}
448 		memcpy(config->name, &data[offset], 64);
449 		/*skip extra 16 bytes*/
450 		offset += 80;
451 
452 		offset = fw_parse_data_kernel(tas_fmw, &(config->dev_data),
453 			fmw, offset);
454 		if (offset < 0)
455 			goto out;
456 	}
457 
458 out:
459 	return offset;
460 }
461 
462 static int fw_parse_variable_header_kernel(
463 	struct tasdevice_priv *tas_priv, const struct firmware *fmw,
464 	int offset)
465 {
466 	struct tasdevice_fw *tas_fmw = tas_priv->fmw;
467 	struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
468 	struct tasdevice_prog *program;
469 	struct tasdevice_config *config;
470 	const unsigned char *buf = fmw->data;
471 	unsigned short max_confs;
472 	unsigned int i;
473 
474 	if (offset + 12 + 4 * TASDEVICE_MAXPROGRAM_NUM_KERNEL > fmw->size) {
475 		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
476 		offset = -EINVAL;
477 		goto out;
478 	}
479 	fw_hdr->device_family = get_unaligned_be16(&buf[offset]);
480 	if (fw_hdr->device_family != 0) {
481 		dev_err(tas_priv->dev, "%s:not TAS device\n", __func__);
482 		offset = -EINVAL;
483 		goto out;
484 	}
485 	offset += 2;
486 	fw_hdr->device = get_unaligned_be16(&buf[offset]);
487 	if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE ||
488 		fw_hdr->device == 6) {
489 		dev_err(tas_priv->dev, "Unsupported dev %d\n", fw_hdr->device);
490 		offset = -EINVAL;
491 		goto out;
492 	}
493 	offset += 2;
494 	fw_hdr->ndev = deviceNumber[fw_hdr->device];
495 
496 	if (fw_hdr->ndev != tas_priv->ndev) {
497 		dev_err(tas_priv->dev,
498 			"%s: ndev(%u) in dspbin mismatch ndev(%u) in DTS\n",
499 			__func__, fw_hdr->ndev, tas_priv->ndev);
500 		offset = -EINVAL;
501 		goto out;
502 	}
503 
504 	tas_fmw->nr_programs = get_unaligned_be32(&buf[offset]);
505 	offset += 4;
506 
507 	if (tas_fmw->nr_programs == 0 || tas_fmw->nr_programs >
508 		TASDEVICE_MAXPROGRAM_NUM_KERNEL) {
509 		dev_err(tas_priv->dev, "mnPrograms is invalid\n");
510 		offset = -EINVAL;
511 		goto out;
512 	}
513 
514 	tas_fmw->programs = kcalloc(tas_fmw->nr_programs,
515 		sizeof(struct tasdevice_prog), GFP_KERNEL);
516 	if (!tas_fmw->programs) {
517 		offset = -ENOMEM;
518 		goto out;
519 	}
520 
521 	for (i = 0; i < tas_fmw->nr_programs; i++) {
522 		program = &(tas_fmw->programs[i]);
523 		program->prog_size = get_unaligned_be32(&buf[offset]);
524 		offset += 4;
525 	}
526 
527 	/* Skip the unused prog_size */
528 	offset += 4 * (TASDEVICE_MAXPROGRAM_NUM_KERNEL - tas_fmw->nr_programs);
529 
530 	tas_fmw->nr_configurations = get_unaligned_be32(&buf[offset]);
531 	offset += 4;
532 
533 	/* The max number of config in firmware greater than 4 pieces of
534 	 * tas2781s is different from the one lower than 4 pieces of
535 	 * tas2781s.
536 	 */
537 	max_confs = (fw_hdr->ndev >= 4) ?
538 		TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS :
539 		TASDEVICE_MAXCONFIG_NUM_KERNEL;
540 	if (tas_fmw->nr_configurations == 0 ||
541 		tas_fmw->nr_configurations > max_confs) {
542 		dev_err(tas_priv->dev, "%s: Conf is invalid\n", __func__);
543 		offset = -EINVAL;
544 		goto out;
545 	}
546 
547 	if (offset + 4 * max_confs > fmw->size) {
548 		dev_err(tas_priv->dev, "%s: mpConfigurations err\n", __func__);
549 		offset = -EINVAL;
550 		goto out;
551 	}
552 
553 	tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
554 		sizeof(struct tasdevice_config), GFP_KERNEL);
555 	if (!tas_fmw->configs) {
556 		offset = -ENOMEM;
557 		goto out;
558 	}
559 
560 	for (i = 0; i < tas_fmw->nr_programs; i++) {
561 		config = &(tas_fmw->configs[i]);
562 		config->cfg_size = get_unaligned_be32(&buf[offset]);
563 		offset += 4;
564 	}
565 
566 	/* Skip the unused configs */
567 	offset += 4 * (max_confs - tas_fmw->nr_programs);
568 
569 out:
570 	return offset;
571 }
572 
573 static int tasdevice_process_block(void *context, unsigned char *data,
574 	unsigned char dev_idx, int sublocksize)
575 {
576 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *)context;
577 	int subblk_offset, chn, chnend, rc;
578 	unsigned char subblk_typ = data[1];
579 	int blktyp = dev_idx & 0xC0;
580 	int idx = dev_idx & 0x3F;
581 	bool is_err = false;
582 
583 	if (idx) {
584 		chn = idx - 1;
585 		chnend = idx;
586 	} else {
587 		chn = 0;
588 		chnend = tas_priv->ndev;
589 	}
590 
591 	for (; chn < chnend; chn++) {
592 		if (tas_priv->tasdevice[chn].is_loading == false)
593 			continue;
594 
595 		is_err = false;
596 		subblk_offset = 2;
597 		switch (subblk_typ) {
598 		case TASDEVICE_CMD_SING_W: {
599 			int i;
600 			unsigned short len = get_unaligned_be16(&data[2]);
601 
602 			subblk_offset += 2;
603 			if (subblk_offset + 4 * len > sublocksize) {
604 				dev_err(tas_priv->dev,
605 					"process_block: Out of boundary\n");
606 				is_err = true;
607 				break;
608 			}
609 
610 			for (i = 0; i < len; i++) {
611 				rc = tasdevice_dev_write(tas_priv, chn,
612 					TASDEVICE_REG(data[subblk_offset],
613 						data[subblk_offset + 1],
614 						data[subblk_offset + 2]),
615 					data[subblk_offset + 3]);
616 				if (rc < 0) {
617 					is_err = true;
618 					dev_err(tas_priv->dev,
619 					"process_block: single write error\n");
620 				}
621 				subblk_offset += 4;
622 			}
623 		}
624 			break;
625 		case TASDEVICE_CMD_BURST: {
626 			unsigned short len = get_unaligned_be16(&data[2]);
627 
628 			subblk_offset += 2;
629 			if (subblk_offset + 4 + len > sublocksize) {
630 				dev_err(tas_priv->dev,
631 					"%s: BST Out of boundary\n",
632 					__func__);
633 				is_err = true;
634 				break;
635 			}
636 			if (len % 4) {
637 				dev_err(tas_priv->dev,
638 					"%s:Bst-len(%u)not div by 4\n",
639 					__func__, len);
640 				break;
641 			}
642 
643 			rc = tasdevice_dev_bulk_write(tas_priv, chn,
644 				TASDEVICE_REG(data[subblk_offset],
645 				data[subblk_offset + 1],
646 				data[subblk_offset + 2]),
647 				&(data[subblk_offset + 4]), len);
648 			if (rc < 0) {
649 				is_err = true;
650 				dev_err(tas_priv->dev,
651 					"%s: bulk_write error = %d\n",
652 					__func__, rc);
653 			}
654 			subblk_offset += (len + 4);
655 		}
656 			break;
657 		case TASDEVICE_CMD_DELAY: {
658 			unsigned int sleep_time = 0;
659 
660 			if (subblk_offset + 2 > sublocksize) {
661 				dev_err(tas_priv->dev,
662 					"%s: delay Out of boundary\n",
663 					__func__);
664 				is_err = true;
665 				break;
666 			}
667 			sleep_time = get_unaligned_be16(&data[2]) * 1000;
668 			usleep_range(sleep_time, sleep_time + 50);
669 			subblk_offset += 2;
670 		}
671 			break;
672 		case TASDEVICE_CMD_FIELD_W:
673 			if (subblk_offset + 6 > sublocksize) {
674 				dev_err(tas_priv->dev,
675 					"%s: bit write Out of boundary\n",
676 					__func__);
677 				is_err = true;
678 				break;
679 			}
680 			rc = tasdevice_dev_update_bits(tas_priv, chn,
681 				TASDEVICE_REG(data[subblk_offset + 2],
682 				data[subblk_offset + 3],
683 				data[subblk_offset + 4]),
684 				data[subblk_offset + 1],
685 				data[subblk_offset + 5]);
686 			if (rc < 0) {
687 				is_err = true;
688 				dev_err(tas_priv->dev,
689 					"%s: update_bits error = %d\n",
690 					__func__, rc);
691 			}
692 			subblk_offset += 6;
693 			break;
694 		default:
695 			break;
696 		}
697 		if (is_err == true && blktyp != 0) {
698 			if (blktyp == 0x80) {
699 				tas_priv->tasdevice[chn].cur_prog = -1;
700 				tas_priv->tasdevice[chn].cur_conf = -1;
701 			} else
702 				tas_priv->tasdevice[chn].cur_conf = -1;
703 		}
704 	}
705 
706 	return subblk_offset;
707 }
708 
709 void tasdevice_select_cfg_blk(void *pContext, int conf_no,
710 	unsigned char block_type)
711 {
712 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) pContext;
713 	struct tasdevice_rca *rca = &(tas_priv->rcabin);
714 	struct tasdevice_config_info **cfg_info = rca->cfg_info;
715 	struct tasdev_blk_data **blk_data;
716 	int j, k, chn, chnend;
717 
718 	if (conf_no >= rca->ncfgs || conf_no < 0 || !cfg_info) {
719 		dev_err(tas_priv->dev, "conf_no should be not more than %u\n",
720 			rca->ncfgs);
721 		return;
722 	}
723 	blk_data = cfg_info[conf_no]->blk_data;
724 
725 	for (j = 0; j < (int)cfg_info[conf_no]->real_nblocks; j++) {
726 		unsigned int length = 0, rc = 0;
727 
728 		if (block_type > 5 || block_type < 2) {
729 			dev_err(tas_priv->dev,
730 				"block_type should be in range from 2 to 5\n");
731 			break;
732 		}
733 		if (block_type != blk_data[j]->block_type)
734 			continue;
735 
736 		for (k = 0; k < (int)blk_data[j]->n_subblks; k++) {
737 			if (blk_data[j]->dev_idx) {
738 				chn = blk_data[j]->dev_idx - 1;
739 				chnend = blk_data[j]->dev_idx;
740 			} else {
741 				chn = 0;
742 				chnend = tas_priv->ndev;
743 			}
744 			for (; chn < chnend; chn++)
745 				tas_priv->tasdevice[chn].is_loading = true;
746 
747 			rc = tasdevice_process_block(tas_priv,
748 				blk_data[j]->regdata + length,
749 				blk_data[j]->dev_idx,
750 				blk_data[j]->block_size - length);
751 			length += rc;
752 			if (blk_data[j]->block_size < length) {
753 				dev_err(tas_priv->dev,
754 					"%s: %u %u out of boundary\n",
755 					__func__, length,
756 					blk_data[j]->block_size);
757 				break;
758 			}
759 		}
760 		if (length != blk_data[j]->block_size)
761 			dev_err(tas_priv->dev, "%s: %u %u size is not same\n",
762 				__func__, length, blk_data[j]->block_size);
763 	}
764 }
765 EXPORT_SYMBOL_NS_GPL(tasdevice_select_cfg_blk, SND_SOC_TAS2781_FMWLIB);
766 
767 static int tasdevice_load_block_kernel(
768 	struct tasdevice_priv *tasdevice, struct tasdev_blk *block)
769 {
770 	struct tasdevice_dspfw_hdr *fw_hdr = &(tasdevice->fmw->fw_hdr);
771 	struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr);
772 	const unsigned int blk_size = block->blk_size;
773 	unsigned int i, length;
774 	unsigned char *data = block->data;
775 	unsigned char dev_idx = 0;
776 
777 	if (fw_fixed_hdr->ppcver >= PPC3_VERSION_TAS2781) {
778 		switch (block->type) {
779 		case MAIN_ALL_DEVICES_1X:
780 			dev_idx = 0x80;
781 			break;
782 		case MAIN_DEVICE_A_1X:
783 			dev_idx = 0x81;
784 			break;
785 		case COEFF_DEVICE_A_1X:
786 		case PRE_DEVICE_A_1X:
787 		case PRE_SOFTWARE_RESET_DEVICE_A:
788 		case POST_SOFTWARE_RESET_DEVICE_A:
789 			dev_idx = 0xC1;
790 			break;
791 		case MAIN_DEVICE_B_1X:
792 			dev_idx = 0x82;
793 			break;
794 		case COEFF_DEVICE_B_1X:
795 		case PRE_DEVICE_B_1X:
796 		case PRE_SOFTWARE_RESET_DEVICE_B:
797 		case POST_SOFTWARE_RESET_DEVICE_B:
798 			dev_idx = 0xC2;
799 			break;
800 		case MAIN_DEVICE_C_1X:
801 			dev_idx = 0x83;
802 			break;
803 		case COEFF_DEVICE_C_1X:
804 		case PRE_DEVICE_C_1X:
805 		case PRE_SOFTWARE_RESET_DEVICE_C:
806 		case POST_SOFTWARE_RESET_DEVICE_C:
807 			dev_idx = 0xC3;
808 			break;
809 		case MAIN_DEVICE_D_1X:
810 			dev_idx = 0x84;
811 			break;
812 		case COEFF_DEVICE_D_1X:
813 		case PRE_DEVICE_D_1X:
814 		case PRE_SOFTWARE_RESET_DEVICE_D:
815 		case POST_SOFTWARE_RESET_DEVICE_D:
816 			dev_idx = 0xC4;
817 			break;
818 		default:
819 			dev_info(tasdevice->dev,
820 				"%s: load block: Other Type = 0x%02x\n",
821 				__func__, block->type);
822 			break;
823 		}
824 	} else if (fw_fixed_hdr->ppcver >=
825 	PPC3_VERSION) {
826 		switch (block->type) {
827 		case MAIN_ALL_DEVICES_1X:
828 			dev_idx = 0x80;
829 			break;
830 		case MAIN_DEVICE_A_1X:
831 			dev_idx = 0x81;
832 			break;
833 		case COEFF_DEVICE_A_1X:
834 		case PRE_DEVICE_A_1X:
835 			dev_idx = 0xC1;
836 			break;
837 		case MAIN_DEVICE_B_1X:
838 			dev_idx = 0x82;
839 			break;
840 		case COEFF_DEVICE_B_1X:
841 		case PRE_DEVICE_B_1X:
842 			dev_idx = 0xC2;
843 			break;
844 		case MAIN_DEVICE_C_1X:
845 			dev_idx = 0x83;
846 			break;
847 		case COEFF_DEVICE_C_1X:
848 		case PRE_DEVICE_C_1X:
849 			dev_idx = 0xC3;
850 			break;
851 		case MAIN_DEVICE_D_1X:
852 			dev_idx = 0x84;
853 			break;
854 		case COEFF_DEVICE_D_1X:
855 		case PRE_DEVICE_D_1X:
856 			dev_idx = 0xC4;
857 			break;
858 		default:
859 			dev_info(tasdevice->dev,
860 				"%s: load block: Other Type = 0x%02x\n",
861 				__func__, block->type);
862 			break;
863 		}
864 	} else {
865 		switch (block->type) {
866 		case MAIN_ALL_DEVICES:
867 			dev_idx = 0|0x80;
868 			break;
869 		case MAIN_DEVICE_A:
870 			dev_idx = 0x81;
871 			break;
872 		case COEFF_DEVICE_A:
873 		case PRE_DEVICE_A:
874 			dev_idx = 0xC1;
875 			break;
876 		case MAIN_DEVICE_B:
877 			dev_idx = 0x82;
878 			break;
879 		case COEFF_DEVICE_B:
880 		case PRE_DEVICE_B:
881 			dev_idx = 0xC2;
882 			break;
883 		case MAIN_DEVICE_C:
884 			dev_idx = 0x83;
885 			break;
886 		case COEFF_DEVICE_C:
887 		case PRE_DEVICE_C:
888 			dev_idx = 0xC3;
889 			break;
890 		case MAIN_DEVICE_D:
891 			dev_idx = 0x84;
892 			break;
893 		case COEFF_DEVICE_D:
894 		case PRE_DEVICE_D:
895 			dev_idx = 0xC4;
896 			break;
897 		default:
898 			dev_info(tasdevice->dev,
899 				"%s: load block: Other Type = 0x%02x\n",
900 				__func__, block->type);
901 			break;
902 		}
903 	}
904 
905 	for (i = 0, length = 0; i < block->nr_subblocks; i++) {
906 		int rc = tasdevice_process_block(tasdevice, data + length,
907 			dev_idx, blk_size - length);
908 		if (rc < 0) {
909 			dev_err(tasdevice->dev,
910 				"%s: %u %u sublock write error\n",
911 				__func__, length, blk_size);
912 			break;
913 		}
914 		length += (unsigned int)rc;
915 		if (blk_size < length) {
916 			dev_err(tasdevice->dev, "%s: %u %u out of boundary\n",
917 				__func__, length, blk_size);
918 			break;
919 		}
920 	}
921 
922 	return 0;
923 }
924 
925 static int fw_parse_variable_hdr(struct tasdevice_priv
926 	*tas_priv, struct tasdevice_dspfw_hdr *fw_hdr,
927 	const struct firmware *fmw, int offset)
928 {
929 	const unsigned char *buf = fmw->data;
930 	int len = strlen((char *)&buf[offset]);
931 
932 	len++;
933 
934 	if (offset + len + 8 > fmw->size) {
935 		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
936 		offset = -EINVAL;
937 		goto out;
938 	}
939 
940 	offset += len;
941 
942 	fw_hdr->device_family = get_unaligned_be32(&buf[offset]);
943 	if (fw_hdr->device_family != 0) {
944 		dev_err(tas_priv->dev, "%s: not TAS device\n", __func__);
945 		offset = -EINVAL;
946 		goto out;
947 	}
948 	offset += 4;
949 
950 	fw_hdr->device = get_unaligned_be32(&buf[offset]);
951 	if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE ||
952 		fw_hdr->device == 6) {
953 		dev_err(tas_priv->dev, "Unsupported dev %d\n", fw_hdr->device);
954 		offset = -EINVAL;
955 		goto out;
956 	}
957 	offset += 4;
958 	fw_hdr->ndev = deviceNumber[fw_hdr->device];
959 
960 out:
961 	return offset;
962 }
963 
964 static int fw_parse_variable_header_git(struct tasdevice_priv
965 	*tas_priv, const struct firmware *fmw, int offset)
966 {
967 	struct tasdevice_fw *tas_fmw = tas_priv->fmw;
968 	struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
969 
970 	offset = fw_parse_variable_hdr(tas_priv, fw_hdr, fmw, offset);
971 	if (offset < 0)
972 		goto out;
973 	if (fw_hdr->ndev != tas_priv->ndev) {
974 		dev_err(tas_priv->dev,
975 			"%s: ndev(%u) in dspbin mismatch ndev(%u) in DTS\n",
976 			__func__, fw_hdr->ndev, tas_priv->ndev);
977 		offset = -EINVAL;
978 	}
979 
980 out:
981 	return offset;
982 }
983 
984 static int fw_parse_block_data(struct tasdevice_fw *tas_fmw,
985 	struct tasdev_blk *block, const struct firmware *fmw, int offset)
986 {
987 	unsigned char *data = (unsigned char *)fmw->data;
988 	int n;
989 
990 	if (offset + 8 > fmw->size) {
991 		dev_err(tas_fmw->dev, "%s: Type error\n", __func__);
992 		offset = -EINVAL;
993 		goto out;
994 	}
995 	block->type = get_unaligned_be32(&data[offset]);
996 	offset += 4;
997 
998 	if (tas_fmw->fw_hdr.fixed_hdr.drv_ver >= PPC_DRIVER_CRCCHK) {
999 		if (offset + 8 > fmw->size) {
1000 			dev_err(tas_fmw->dev, "PChkSumPresent error\n");
1001 			offset = -EINVAL;
1002 			goto out;
1003 		}
1004 		block->is_pchksum_present = data[offset];
1005 		offset++;
1006 
1007 		block->pchksum = data[offset];
1008 		offset++;
1009 
1010 		block->is_ychksum_present = data[offset];
1011 		offset++;
1012 
1013 		block->ychksum = data[offset];
1014 		offset++;
1015 	} else {
1016 		block->is_pchksum_present = 0;
1017 		block->is_ychksum_present = 0;
1018 	}
1019 
1020 	block->nr_cmds = get_unaligned_be32(&data[offset]);
1021 	offset += 4;
1022 
1023 	n = block->nr_cmds * 4;
1024 	if (offset + n > fmw->size) {
1025 		dev_err(tas_fmw->dev,
1026 			"%s: File Size(%lu) error offset = %d n = %d\n",
1027 			__func__, (unsigned long)fmw->size, offset, n);
1028 		offset = -EINVAL;
1029 		goto out;
1030 	}
1031 	/* instead of kzalloc+memcpy */
1032 	block->data = kmemdup(&data[offset], n, GFP_KERNEL);
1033 	if (!block->data) {
1034 		offset = -ENOMEM;
1035 		goto out;
1036 	}
1037 	offset += n;
1038 
1039 out:
1040 	return offset;
1041 }
1042 
1043 /* When parsing error occurs, all the memory resource will be released
1044  * in the end of tasdevice_rca_ready.
1045  */
1046 static int fw_parse_data(struct tasdevice_fw *tas_fmw,
1047 	struct tasdevice_data *img_data, const struct firmware *fmw,
1048 	int offset)
1049 {
1050 	const unsigned char *data = (unsigned char *)fmw->data;
1051 	struct tasdev_blk *blk;
1052 	unsigned int i;
1053 	int n;
1054 
1055 	if (offset + 64 > fmw->size) {
1056 		dev_err(tas_fmw->dev, "%s: Name error\n", __func__);
1057 		offset = -EINVAL;
1058 		goto out;
1059 	}
1060 	memcpy(img_data->name, &data[offset], 64);
1061 	offset += 64;
1062 
1063 	n = strlen((char *)&data[offset]);
1064 	n++;
1065 	if (offset + n + 2 > fmw->size) {
1066 		dev_err(tas_fmw->dev, "%s: Description error\n", __func__);
1067 		offset = -EINVAL;
1068 		goto out;
1069 	}
1070 	offset += n;
1071 	img_data->nr_blk = get_unaligned_be16(&data[offset]);
1072 	offset += 2;
1073 
1074 	img_data->dev_blks = kcalloc(img_data->nr_blk,
1075 		sizeof(struct tasdev_blk), GFP_KERNEL);
1076 	if (!img_data->dev_blks) {
1077 		offset = -ENOMEM;
1078 		goto out;
1079 	}
1080 	for (i = 0; i < img_data->nr_blk; i++) {
1081 		blk = &(img_data->dev_blks[i]);
1082 		offset = fw_parse_block_data(tas_fmw, blk, fmw, offset);
1083 		if (offset < 0) {
1084 			offset = -EINVAL;
1085 			goto out;
1086 		}
1087 	}
1088 
1089 out:
1090 	return offset;
1091 }
1092 
1093 /* When parsing error occurs, all the memory resource will be released
1094  * in the end of tasdevice_rca_ready.
1095  */
1096 static int fw_parse_program_data(struct tasdevice_priv *tas_priv,
1097 	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
1098 {
1099 	unsigned char *buf = (unsigned char *)fmw->data;
1100 	struct tasdevice_prog *program;
1101 	int i;
1102 
1103 	if (offset + 2 > fmw->size) {
1104 		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
1105 		offset = -EINVAL;
1106 		goto out;
1107 	}
1108 	tas_fmw->nr_programs = get_unaligned_be16(&buf[offset]);
1109 	offset += 2;
1110 
1111 	if (tas_fmw->nr_programs == 0) {
1112 		/*Not error in calibration Data file, return directly*/
1113 		dev_info(tas_priv->dev, "%s: No Programs data, maybe calbin\n",
1114 			__func__);
1115 		goto out;
1116 	}
1117 
1118 	tas_fmw->programs =
1119 		kcalloc(tas_fmw->nr_programs, sizeof(struct tasdevice_prog),
1120 			GFP_KERNEL);
1121 	if (!tas_fmw->programs) {
1122 		offset = -ENOMEM;
1123 		goto out;
1124 	}
1125 	for (i = 0; i < tas_fmw->nr_programs; i++) {
1126 		int n = 0;
1127 
1128 		program = &(tas_fmw->programs[i]);
1129 		if (offset + 64 > fmw->size) {
1130 			dev_err(tas_priv->dev, "%s: mpName error\n", __func__);
1131 			offset = -EINVAL;
1132 			goto out;
1133 		}
1134 		offset += 64;
1135 
1136 		n = strlen((char *)&buf[offset]);
1137 		/* skip '\0' and 5 unused bytes */
1138 		n += 6;
1139 		if (offset + n > fmw->size) {
1140 			dev_err(tas_priv->dev, "Description err\n");
1141 			offset = -EINVAL;
1142 			goto out;
1143 		}
1144 
1145 		offset += n;
1146 
1147 		offset = fw_parse_data(tas_fmw, &(program->dev_data), fmw,
1148 			offset);
1149 		if (offset < 0)
1150 			goto out;
1151 	}
1152 
1153 out:
1154 	return offset;
1155 }
1156 
1157 /* When parsing error occurs, all the memory resource will be released
1158  * in the end of tasdevice_rca_ready.
1159  */
1160 static int fw_parse_configuration_data(
1161 	struct tasdevice_priv *tas_priv,
1162 	struct tasdevice_fw *tas_fmw,
1163 	const struct firmware *fmw, int offset)
1164 {
1165 	unsigned char *data = (unsigned char *)fmw->data;
1166 	struct tasdevice_config *config;
1167 	unsigned int i;
1168 	int n;
1169 
1170 	if (offset + 2 > fmw->size) {
1171 		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
1172 		offset = -EINVAL;
1173 		goto out;
1174 	}
1175 	tas_fmw->nr_configurations = get_unaligned_be16(&data[offset]);
1176 	offset += 2;
1177 
1178 	if (tas_fmw->nr_configurations == 0) {
1179 		dev_err(tas_priv->dev, "%s: Conf is zero\n", __func__);
1180 		/*Not error for calibration Data file, return directly*/
1181 		goto out;
1182 	}
1183 	tas_fmw->configs = kcalloc(tas_fmw->nr_configurations,
1184 			sizeof(struct tasdevice_config), GFP_KERNEL);
1185 	if (!tas_fmw->configs) {
1186 		offset = -ENOMEM;
1187 		goto out;
1188 	}
1189 	for (i = 0; i < tas_fmw->nr_configurations; i++) {
1190 		config = &(tas_fmw->configs[i]);
1191 		if (offset + 64 > fmw->size) {
1192 			dev_err(tas_priv->dev, "File Size err\n");
1193 			offset = -EINVAL;
1194 			goto out;
1195 		}
1196 		memcpy(config->name, &data[offset], 64);
1197 		offset += 64;
1198 
1199 		n = strlen((char *)&data[offset]);
1200 		n += 15;
1201 		if (offset + n > fmw->size) {
1202 			dev_err(tas_priv->dev, "Description err\n");
1203 			offset = -EINVAL;
1204 			goto out;
1205 		}
1206 
1207 		offset += n;
1208 
1209 		offset = fw_parse_data(tas_fmw, &(config->dev_data),
1210 			fmw, offset);
1211 		if (offset < 0)
1212 			goto out;
1213 	}
1214 
1215 out:
1216 	return offset;
1217 }
1218 
1219 static bool check_inpage_yram_rg(struct tas_crc *cd,
1220 	unsigned char reg, unsigned char len)
1221 {
1222 	bool in = false;
1223 
1224 
1225 	if (reg <= TAS2781_YRAM5_END_REG &&
1226 		reg >= TAS2781_YRAM5_START_REG) {
1227 		if (reg + len > TAS2781_YRAM5_END_REG)
1228 			cd->len = TAS2781_YRAM5_END_REG - reg + 1;
1229 		else
1230 			cd->len = len;
1231 		cd->offset = reg;
1232 		in = true;
1233 	} else if (reg < TAS2781_YRAM5_START_REG) {
1234 		if (reg + len > TAS2781_YRAM5_START_REG) {
1235 			cd->offset = TAS2781_YRAM5_START_REG;
1236 			cd->len = len - TAS2781_YRAM5_START_REG + reg;
1237 			in = true;
1238 		}
1239 	}
1240 
1241 	return in;
1242 }
1243 
1244 static bool check_inpage_yram_bk1(struct tas_crc *cd,
1245 	unsigned char page, unsigned char reg, unsigned char len)
1246 {
1247 	bool in = false;
1248 
1249 	if (page == TAS2781_YRAM1_PAGE) {
1250 		if (reg >= TAS2781_YRAM1_START_REG) {
1251 			cd->offset = reg;
1252 			cd->len = len;
1253 			in = true;
1254 		} else if (reg + len > TAS2781_YRAM1_START_REG) {
1255 			cd->offset = TAS2781_YRAM1_START_REG;
1256 			cd->len = len - TAS2781_YRAM1_START_REG + reg;
1257 			in = true;
1258 		}
1259 	} else if (page == TAS2781_YRAM3_PAGE)
1260 		in = check_inpage_yram_rg(cd, reg, len);
1261 
1262 	return in;
1263 }
1264 
1265 /* Return Code:
1266  * true -- the registers are in the inpage yram
1267  * false -- the registers are NOT in the inpage yram
1268  */
1269 static bool check_inpage_yram(struct tas_crc *cd, unsigned char book,
1270 	unsigned char page, unsigned char reg, unsigned char len)
1271 {
1272 	bool in = false;
1273 
1274 	if (book == TAS2781_YRAM_BOOK1) {
1275 		in = check_inpage_yram_bk1(cd, page, reg, len);
1276 		goto end;
1277 	}
1278 	if (book == TAS2781_YRAM_BOOK2 && page == TAS2781_YRAM5_PAGE)
1279 		in = check_inpage_yram_rg(cd, reg, len);
1280 
1281 end:
1282 	return in;
1283 }
1284 
1285 static bool check_inblock_yram_bk(struct tas_crc *cd,
1286 	unsigned char page, unsigned char reg, unsigned char len)
1287 {
1288 	bool in = false;
1289 
1290 	if ((page >= TAS2781_YRAM4_START_PAGE &&
1291 		page <= TAS2781_YRAM4_END_PAGE) ||
1292 		(page >= TAS2781_YRAM2_START_PAGE &&
1293 		page <= TAS2781_YRAM2_END_PAGE)) {
1294 		if (reg <= TAS2781_YRAM2_END_REG &&
1295 			reg >= TAS2781_YRAM2_START_REG) {
1296 			cd->offset = reg;
1297 			cd->len = len;
1298 			in = true;
1299 		} else if (reg < TAS2781_YRAM2_START_REG) {
1300 			if (reg + len - 1 >= TAS2781_YRAM2_START_REG) {
1301 				cd->offset = TAS2781_YRAM2_START_REG;
1302 				cd->len = reg + len - TAS2781_YRAM2_START_REG;
1303 				in = true;
1304 			}
1305 		}
1306 	}
1307 
1308 	return in;
1309 }
1310 
1311 /* Return Code:
1312  * true -- the registers are in the inblock yram
1313  * false -- the registers are NOT in the inblock yram
1314  */
1315 static bool check_inblock_yram(struct tas_crc *cd, unsigned char book,
1316 	unsigned char page, unsigned char reg, unsigned char len)
1317 {
1318 	bool in = false;
1319 
1320 	if (book == TAS2781_YRAM_BOOK1 || book == TAS2781_YRAM_BOOK2)
1321 		in = check_inblock_yram_bk(cd, page, reg, len);
1322 
1323 	return in;
1324 }
1325 
1326 static bool check_yram(struct tas_crc *cd, unsigned char book,
1327 	unsigned char page, unsigned char reg, unsigned char len)
1328 {
1329 	bool in;
1330 
1331 	in = check_inpage_yram(cd, book, page, reg, len);
1332 	if (in)
1333 		goto end;
1334 	in = check_inblock_yram(cd, book, page, reg, len);
1335 
1336 end:
1337 	return in;
1338 }
1339 
1340 static int tasdev_multibytes_chksum(struct tasdevice_priv *tasdevice,
1341 	unsigned short chn, unsigned char book, unsigned char page,
1342 	unsigned char reg, unsigned int len)
1343 {
1344 	struct tas_crc crc_data;
1345 	unsigned char crc_chksum = 0;
1346 	unsigned char nBuf1[128];
1347 	int ret = 0;
1348 	int i;
1349 	bool in;
1350 
1351 	if ((reg + len - 1) > 127) {
1352 		ret = -EINVAL;
1353 		dev_err(tasdevice->dev, "firmware error\n");
1354 		goto end;
1355 	}
1356 
1357 	if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG))
1358 		&& (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG))
1359 		&& (reg == TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG))
1360 		&& (len == 4)) {
1361 		/*DSP swap command, pass */
1362 		ret = 0;
1363 		goto end;
1364 	}
1365 
1366 	in = check_yram(&crc_data, book, page, reg, len);
1367 	if (!in)
1368 		goto end;
1369 
1370 	if (len == 1) {
1371 		dev_err(tasdevice->dev, "firmware error\n");
1372 		ret = -EINVAL;
1373 		goto end;
1374 	}
1375 
1376 	ret = tasdevice_dev_bulk_read(tasdevice, chn,
1377 		TASDEVICE_REG(book, page, crc_data.offset),
1378 		nBuf1, crc_data.len);
1379 	if (ret < 0)
1380 		goto end;
1381 
1382 	for (i = 0; i < crc_data.len; i++) {
1383 		if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG))
1384 			&& (page == TASDEVICE_PAGE_ID(
1385 			TAS2781_SA_COEFF_SWAP_REG))
1386 			&& ((i + crc_data.offset)
1387 			>= TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG))
1388 			&& ((i + crc_data.offset)
1389 			<= (TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG)
1390 			+ 4)))
1391 			/*DSP swap command, bypass */
1392 			continue;
1393 		else
1394 			crc_chksum += crc8(tasdevice->crc8_lkp_tbl, &nBuf1[i],
1395 				1, 0);
1396 	}
1397 
1398 	ret = crc_chksum;
1399 
1400 end:
1401 	return ret;
1402 }
1403 
1404 static int do_singlereg_checksum(struct tasdevice_priv *tasdevice,
1405 	unsigned short chl, unsigned char book, unsigned char page,
1406 	unsigned char reg, unsigned char val)
1407 {
1408 	struct tas_crc crc_data;
1409 	unsigned int nData1;
1410 	int ret = 0;
1411 	bool in;
1412 
1413 	if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG))
1414 		&& (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG))
1415 		&& (reg >= TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG))
1416 		&& (reg <= (TASDEVICE_PAGE_REG(
1417 		TAS2781_SA_COEFF_SWAP_REG) + 4))) {
1418 		/*DSP swap command, pass */
1419 		ret = 0;
1420 		goto end;
1421 	}
1422 
1423 	in = check_yram(&crc_data, book, page, reg, 1);
1424 	if (!in)
1425 		goto end;
1426 	ret = tasdevice_dev_read(tasdevice, chl,
1427 		TASDEVICE_REG(book, page, reg), &nData1);
1428 	if (ret < 0)
1429 		goto end;
1430 
1431 	if (nData1 != val) {
1432 		dev_err(tasdevice->dev,
1433 			"B[0x%x]P[0x%x]R[0x%x] W[0x%x], R[0x%x]\n",
1434 			book, page, reg, val, nData1);
1435 		tasdevice->tasdevice[chl].err_code |= ERROR_YRAM_CRCCHK;
1436 		ret = -EAGAIN;
1437 		goto end;
1438 	}
1439 
1440 	ret = crc8(tasdevice->crc8_lkp_tbl, &val, 1, 0);
1441 
1442 end:
1443 	return ret;
1444 }
1445 
1446 static void set_err_prg_cfg(unsigned int type, struct tasdevice *dev)
1447 {
1448 	if ((type == MAIN_ALL_DEVICES) || (type == MAIN_DEVICE_A)
1449 		|| (type == MAIN_DEVICE_B) || (type == MAIN_DEVICE_C)
1450 		|| (type == MAIN_DEVICE_D))
1451 		dev->cur_prog = -1;
1452 	else
1453 		dev->cur_conf = -1;
1454 }
1455 
1456 static int tasdev_bytes_chksum(struct tasdevice_priv *tas_priv,
1457 	struct tasdev_blk *block, int chn, unsigned char book,
1458 	unsigned char page, unsigned char reg, unsigned int len,
1459 	unsigned char val, unsigned char *crc_chksum)
1460 {
1461 	int ret;
1462 
1463 	if (len > 1)
1464 		ret = tasdev_multibytes_chksum(tas_priv, chn, book, page, reg,
1465 			len);
1466 	else
1467 		ret = do_singlereg_checksum(tas_priv, chn, book, page, reg,
1468 			val);
1469 
1470 	if (ret > 0) {
1471 		*crc_chksum += (unsigned char)ret;
1472 		goto end;
1473 	}
1474 
1475 	if (ret != -EAGAIN)
1476 		goto end;
1477 
1478 	block->nr_retry--;
1479 	if (block->nr_retry > 0)
1480 		goto end;
1481 
1482 	set_err_prg_cfg(block->type, &tas_priv->tasdevice[chn]);
1483 
1484 end:
1485 	return ret;
1486 }
1487 
1488 static int tasdev_multibytes_wr(struct tasdevice_priv *tas_priv,
1489 	struct tasdev_blk *block, int chn, unsigned char book,
1490 	unsigned char page, unsigned char reg, unsigned char *data,
1491 	unsigned int len, unsigned int *nr_cmds,
1492 	unsigned char *crc_chksum)
1493 {
1494 	int ret;
1495 
1496 	if (len > 1) {
1497 		ret = tasdevice_dev_bulk_write(tas_priv, chn,
1498 			TASDEVICE_REG(book, page, reg), data + 3, len);
1499 		if (ret < 0)
1500 			goto end;
1501 		if (block->is_ychksum_present)
1502 			ret = tasdev_bytes_chksum(tas_priv, block, chn,
1503 				book, page, reg, len, 0, crc_chksum);
1504 	} else {
1505 		ret = tasdevice_dev_write(tas_priv, chn,
1506 			TASDEVICE_REG(book, page, reg), data[3]);
1507 		if (ret < 0)
1508 			goto end;
1509 		if (block->is_ychksum_present)
1510 			ret = tasdev_bytes_chksum(tas_priv, block, chn, book,
1511 				page, reg, 1, data[3], crc_chksum);
1512 	}
1513 
1514 	if (!block->is_ychksum_present || ret >= 0) {
1515 		*nr_cmds += 1;
1516 		if (len >= 2)
1517 			*nr_cmds += ((len - 2) / 4) + 1;
1518 	}
1519 
1520 end:
1521 	return ret;
1522 }
1523 
1524 static int tasdev_block_chksum(struct tasdevice_priv *tas_priv,
1525 	struct tasdev_blk *block, int chn)
1526 {
1527 	unsigned int nr_value;
1528 	int ret;
1529 
1530 	ret = tasdevice_dev_read(tas_priv, chn, TASDEVICE_I2CChecksum,
1531 		&nr_value);
1532 	if (ret < 0) {
1533 		dev_err(tas_priv->dev, "%s: Chn %d\n", __func__, chn);
1534 		set_err_prg_cfg(block->type, &tas_priv->tasdevice[chn]);
1535 		goto end;
1536 	}
1537 
1538 	if ((nr_value & 0xff) != block->pchksum) {
1539 		dev_err(tas_priv->dev, "%s: Blk PChkSum Chn %d ", __func__,
1540 			chn);
1541 		dev_err(tas_priv->dev, "PChkSum = 0x%x, Reg = 0x%x\n",
1542 			block->pchksum, (nr_value & 0xff));
1543 		tas_priv->tasdevice[chn].err_code |= ERROR_PRAM_CRCCHK;
1544 		ret = -EAGAIN;
1545 		block->nr_retry--;
1546 
1547 		if (block->nr_retry <= 0)
1548 			set_err_prg_cfg(block->type,
1549 				&tas_priv->tasdevice[chn]);
1550 	} else
1551 		tas_priv->tasdevice[chn].err_code &= ~ERROR_PRAM_CRCCHK;
1552 
1553 end:
1554 	return ret;
1555 }
1556 
1557 static int tasdev_load_blk(struct tasdevice_priv *tas_priv,
1558 	struct tasdev_blk *block, int chn)
1559 {
1560 	unsigned int sleep_time;
1561 	unsigned int len;
1562 	unsigned int nr_cmds;
1563 	unsigned char *data = block->data;
1564 	unsigned char crc_chksum = 0;
1565 	unsigned char offset;
1566 	unsigned char book;
1567 	unsigned char page;
1568 	unsigned char val;
1569 	int ret = 0;
1570 
1571 	while (block->nr_retry > 0) {
1572 		if (block->is_pchksum_present) {
1573 			ret = tasdevice_dev_write(tas_priv, chn,
1574 				TASDEVICE_I2CChecksum, 0);
1575 			if (ret < 0)
1576 				break;
1577 		}
1578 
1579 		if (block->is_ychksum_present)
1580 			crc_chksum = 0;
1581 
1582 		nr_cmds = 0;
1583 
1584 		while (nr_cmds < block->nr_cmds) {
1585 			data = block->data + nr_cmds * 4;
1586 
1587 			book = data[0];
1588 			page = data[1];
1589 			offset = data[2];
1590 			val = data[3];
1591 
1592 			nr_cmds++;
1593 			/*Single byte write*/
1594 			if (offset <= 0x7F) {
1595 				ret = tasdevice_dev_write(tas_priv, chn,
1596 					TASDEVICE_REG(book, page, offset),
1597 					val);
1598 				if (ret < 0)
1599 					goto end;
1600 				if (block->is_ychksum_present) {
1601 					ret = tasdev_bytes_chksum(tas_priv,
1602 						block, chn, book, page, offset,
1603 						1, val, &crc_chksum);
1604 					if (ret < 0)
1605 						break;
1606 				}
1607 				continue;
1608 			}
1609 			/*sleep command*/
1610 			if (offset == 0x81) {
1611 				/*book -- data[0] page -- data[1]*/
1612 				sleep_time = ((book << 8) + page)*1000;
1613 				usleep_range(sleep_time, sleep_time + 50);
1614 				continue;
1615 			}
1616 			/*Multiple bytes write*/
1617 			if (offset == 0x85) {
1618 				data += 4;
1619 				len = (book << 8) + page;
1620 				book = data[0];
1621 				page = data[1];
1622 				offset = data[2];
1623 				ret = tasdev_multibytes_wr(tas_priv,
1624 					block, chn, book, page, offset, data,
1625 					len, &nr_cmds, &crc_chksum);
1626 				if (ret < 0)
1627 					break;
1628 			}
1629 		}
1630 		if (ret == -EAGAIN) {
1631 			if (block->nr_retry > 0)
1632 				continue;
1633 		} else if (ret < 0) /*err in current device, skip it*/
1634 			break;
1635 
1636 		if (block->is_pchksum_present) {
1637 			ret = tasdev_block_chksum(tas_priv, block, chn);
1638 			if (ret == -EAGAIN) {
1639 				if (block->nr_retry > 0)
1640 					continue;
1641 			} else if (ret < 0) /*err in current device, skip it*/
1642 				break;
1643 		}
1644 
1645 		if (block->is_ychksum_present) {
1646 			/* TBD, open it when FW ready */
1647 			dev_err(tas_priv->dev,
1648 				"Blk YChkSum: FW = 0x%x, YCRC = 0x%x\n",
1649 				block->ychksum, crc_chksum);
1650 
1651 			tas_priv->tasdevice[chn].err_code &=
1652 				~ERROR_YRAM_CRCCHK;
1653 			ret = 0;
1654 		}
1655 		/*skip current blk*/
1656 		break;
1657 	}
1658 
1659 end:
1660 	return ret;
1661 }
1662 
1663 static int tasdevice_load_block(struct tasdevice_priv *tas_priv,
1664 	struct tasdev_blk *block)
1665 {
1666 	int chnend = 0;
1667 	int ret = 0;
1668 	int chn = 0;
1669 	int rc = 0;
1670 
1671 	switch (block->type) {
1672 	case MAIN_ALL_DEVICES:
1673 		chn = 0;
1674 		chnend = tas_priv->ndev;
1675 		break;
1676 	case MAIN_DEVICE_A:
1677 	case COEFF_DEVICE_A:
1678 	case PRE_DEVICE_A:
1679 		chn = 0;
1680 		chnend = 1;
1681 		break;
1682 	case MAIN_DEVICE_B:
1683 	case COEFF_DEVICE_B:
1684 	case PRE_DEVICE_B:
1685 		chn = 1;
1686 		chnend = 2;
1687 		break;
1688 	case MAIN_DEVICE_C:
1689 	case COEFF_DEVICE_C:
1690 	case PRE_DEVICE_C:
1691 		chn = 2;
1692 		chnend = 3;
1693 		break;
1694 	case MAIN_DEVICE_D:
1695 	case COEFF_DEVICE_D:
1696 	case PRE_DEVICE_D:
1697 		chn = 3;
1698 		chnend = 4;
1699 		break;
1700 	default:
1701 		dev_dbg(tas_priv->dev, "load blk: Other Type = 0x%02x\n",
1702 			block->type);
1703 		break;
1704 	}
1705 
1706 	for (; chn < chnend; chn++) {
1707 		block->nr_retry = 6;
1708 		if (tas_priv->tasdevice[chn].is_loading == false)
1709 			continue;
1710 		ret = tasdev_load_blk(tas_priv, block, chn);
1711 		if (ret < 0)
1712 			dev_err(tas_priv->dev, "dev %d, Blk (%d) load error\n",
1713 				chn, block->type);
1714 		rc |= ret;
1715 	}
1716 
1717 	return rc;
1718 }
1719 
1720 static int dspfw_default_callback(struct tasdevice_priv *tas_priv,
1721 	unsigned int drv_ver, unsigned int ppcver)
1722 {
1723 	int rc = 0;
1724 
1725 	if (drv_ver == 0x100) {
1726 		if (ppcver >= PPC3_VERSION) {
1727 			tas_priv->fw_parse_variable_header =
1728 				fw_parse_variable_header_kernel;
1729 			tas_priv->fw_parse_program_data =
1730 				fw_parse_program_data_kernel;
1731 			tas_priv->fw_parse_configuration_data =
1732 				fw_parse_configuration_data_kernel;
1733 			tas_priv->tasdevice_load_block =
1734 				tasdevice_load_block_kernel;
1735 		} else {
1736 			switch (ppcver) {
1737 			case 0x00:
1738 				tas_priv->fw_parse_variable_header =
1739 					fw_parse_variable_header_git;
1740 				tas_priv->fw_parse_program_data =
1741 					fw_parse_program_data;
1742 				tas_priv->fw_parse_configuration_data =
1743 					fw_parse_configuration_data;
1744 				tas_priv->tasdevice_load_block =
1745 					tasdevice_load_block;
1746 				break;
1747 			default:
1748 				dev_err(tas_priv->dev,
1749 					"%s: PPCVer must be 0x0 or 0x%02x",
1750 					__func__, PPC3_VERSION);
1751 				dev_err(tas_priv->dev, " Current:0x%02x\n",
1752 					ppcver);
1753 				rc = -EINVAL;
1754 				break;
1755 			}
1756 		}
1757 	} else {
1758 		dev_err(tas_priv->dev,
1759 			"DrvVer must be 0x0, 0x230 or above 0x230 ");
1760 		dev_err(tas_priv->dev, "current is 0x%02x\n", drv_ver);
1761 		rc = -EINVAL;
1762 	}
1763 
1764 	return rc;
1765 }
1766 
1767 static int load_calib_data(struct tasdevice_priv *tas_priv,
1768 	struct tasdevice_data *dev_data)
1769 {
1770 	struct tasdev_blk *block;
1771 	unsigned int i;
1772 	int ret = 0;
1773 
1774 	for (i = 0; i < dev_data->nr_blk; i++) {
1775 		block = &(dev_data->dev_blks[i]);
1776 		ret = tasdevice_load_block(tas_priv, block);
1777 		if (ret < 0)
1778 			break;
1779 	}
1780 
1781 	return ret;
1782 }
1783 
1784 static int fw_parse_header(struct tasdevice_priv *tas_priv,
1785 	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
1786 {
1787 	struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
1788 	struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr);
1789 	const unsigned char magic_number[] = { 0x35, 0x35, 0x35, 0x32 };
1790 	const unsigned char *buf = (unsigned char *)fmw->data;
1791 
1792 	if (offset + 92 > fmw->size) {
1793 		dev_err(tas_priv->dev, "%s: File Size error\n", __func__);
1794 		offset = -EINVAL;
1795 		goto out;
1796 	}
1797 	if (memcmp(&buf[offset], magic_number, 4)) {
1798 		dev_err(tas_priv->dev, "%s: Magic num NOT match\n", __func__);
1799 		offset = -EINVAL;
1800 		goto out;
1801 	}
1802 	offset += 4;
1803 
1804 	/* Convert data[offset], data[offset + 1], data[offset + 2] and
1805 	 * data[offset + 3] into host
1806 	 */
1807 	fw_fixed_hdr->fwsize = get_unaligned_be32(&buf[offset]);
1808 	offset += 4;
1809 	if (fw_fixed_hdr->fwsize != fmw->size) {
1810 		dev_err(tas_priv->dev, "File size not match, %lu %u",
1811 			(unsigned long)fmw->size, fw_fixed_hdr->fwsize);
1812 		offset = -EINVAL;
1813 		goto out;
1814 	}
1815 	offset += 4;
1816 	fw_fixed_hdr->ppcver = get_unaligned_be32(&buf[offset]);
1817 	offset += 8;
1818 	fw_fixed_hdr->drv_ver = get_unaligned_be32(&buf[offset]);
1819 	offset += 72;
1820 
1821  out:
1822 	return offset;
1823 }
1824 
1825 static int fw_parse_variable_hdr_cal(struct tasdevice_priv *tas_priv,
1826 	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
1827 {
1828 	struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr);
1829 
1830 	offset = fw_parse_variable_hdr(tas_priv, fw_hdr, fmw, offset);
1831 	if (offset < 0)
1832 		goto out;
1833 	if (fw_hdr->ndev != 1) {
1834 		dev_err(tas_priv->dev,
1835 			"%s: calbin must be 1, but currently ndev(%u)\n",
1836 			__func__, fw_hdr->ndev);
1837 		offset = -EINVAL;
1838 	}
1839 
1840 out:
1841 	return offset;
1842 }
1843 
1844 /* When calibrated data parsing error occurs, DSP can still work with default
1845  * calibrated data, memory resource related to calibrated data will be
1846  * released in the tasdevice_codec_remove.
1847  */
1848 static int fw_parse_calibration_data(struct tasdevice_priv *tas_priv,
1849 	struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset)
1850 {
1851 	struct tasdevice_calibration *calibration;
1852 	unsigned char *data = (unsigned char *)fmw->data;
1853 	unsigned int i, n;
1854 
1855 	if (offset + 2 > fmw->size) {
1856 		dev_err(tas_priv->dev, "%s: Calibrations error\n", __func__);
1857 		offset = -EINVAL;
1858 		goto out;
1859 	}
1860 	tas_fmw->nr_calibrations = get_unaligned_be16(&data[offset]);
1861 	offset += 2;
1862 
1863 	if (tas_fmw->nr_calibrations != 1) {
1864 		dev_err(tas_priv->dev,
1865 			"%s: only supports one calibration (%d)!\n",
1866 			__func__, tas_fmw->nr_calibrations);
1867 		goto out;
1868 	}
1869 
1870 	tas_fmw->calibrations = kcalloc(tas_fmw->nr_calibrations,
1871 		sizeof(struct tasdevice_calibration), GFP_KERNEL);
1872 	if (!tas_fmw->calibrations) {
1873 		offset = -ENOMEM;
1874 		goto out;
1875 	}
1876 	for (i = 0; i < tas_fmw->nr_calibrations; i++) {
1877 		if (offset + 64 > fmw->size) {
1878 			dev_err(tas_priv->dev, "Calibrations error\n");
1879 			offset = -EINVAL;
1880 			goto out;
1881 		}
1882 		calibration = &(tas_fmw->calibrations[i]);
1883 		offset += 64;
1884 
1885 		n = strlen((char *)&data[offset]);
1886 		/* skip '\0' and 2 unused bytes */
1887 		n += 3;
1888 		if (offset + n > fmw->size) {
1889 			dev_err(tas_priv->dev, "Description err\n");
1890 			offset = -EINVAL;
1891 			goto out;
1892 		}
1893 		offset += n;
1894 
1895 		offset = fw_parse_data(tas_fmw, &(calibration->dev_data), fmw,
1896 			offset);
1897 		if (offset < 0)
1898 			goto out;
1899 	}
1900 
1901 out:
1902 	return offset;
1903 }
1904 
1905 int tas2781_load_calibration(void *context, char *file_name,
1906 	unsigned short i)
1907 {
1908 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *)context;
1909 	struct tasdevice *tasdev = &(tas_priv->tasdevice[i]);
1910 	const struct firmware *fw_entry = NULL;
1911 	struct tasdevice_fw *tas_fmw;
1912 	struct firmware fmw;
1913 	int offset = 0;
1914 	int ret;
1915 
1916 	ret = request_firmware(&fw_entry, file_name, tas_priv->dev);
1917 	if (ret) {
1918 		dev_err(tas_priv->dev, "%s: Request firmware %s failed\n",
1919 			__func__, file_name);
1920 		goto out;
1921 	}
1922 
1923 	if (!fw_entry->size) {
1924 		dev_err(tas_priv->dev, "%s: file read error: size = %lu\n",
1925 			__func__, (unsigned long)fw_entry->size);
1926 		ret = -EINVAL;
1927 		goto out;
1928 	}
1929 	fmw.size = fw_entry->size;
1930 	fmw.data = fw_entry->data;
1931 
1932 	tas_fmw = tasdev->cali_data_fmw = kzalloc(sizeof(struct tasdevice_fw),
1933 		GFP_KERNEL);
1934 	if (!tasdev->cali_data_fmw) {
1935 		ret = -ENOMEM;
1936 		goto out;
1937 	}
1938 	tas_fmw->dev = tas_priv->dev;
1939 	offset = fw_parse_header(tas_priv, tas_fmw, &fmw, offset);
1940 	if (offset == -EINVAL) {
1941 		dev_err(tas_priv->dev, "fw_parse_header EXIT!\n");
1942 		ret = offset;
1943 		goto out;
1944 	}
1945 	offset = fw_parse_variable_hdr_cal(tas_priv, tas_fmw, &fmw, offset);
1946 	if (offset == -EINVAL) {
1947 		dev_err(tas_priv->dev,
1948 			"%s: fw_parse_variable_header_cal EXIT!\n", __func__);
1949 		ret = offset;
1950 		goto out;
1951 	}
1952 	offset = fw_parse_program_data(tas_priv, tas_fmw, &fmw, offset);
1953 	if (offset < 0) {
1954 		dev_err(tas_priv->dev, "fw_parse_program_data EXIT!\n");
1955 		ret = offset;
1956 		goto out;
1957 	}
1958 	offset = fw_parse_configuration_data(tas_priv, tas_fmw, &fmw, offset);
1959 	if (offset < 0) {
1960 		dev_err(tas_priv->dev, "fw_parse_configuration_data EXIT!\n");
1961 		ret = offset;
1962 		goto out;
1963 	}
1964 	offset = fw_parse_calibration_data(tas_priv, tas_fmw, &fmw, offset);
1965 	if (offset < 0) {
1966 		dev_err(tas_priv->dev, "fw_parse_calibration_data EXIT!\n");
1967 		ret = offset;
1968 		goto out;
1969 	}
1970 
1971 out:
1972 	if (fw_entry)
1973 		release_firmware(fw_entry);
1974 
1975 	return ret;
1976 }
1977 EXPORT_SYMBOL_NS_GPL(tas2781_load_calibration, SND_SOC_TAS2781_FMWLIB);
1978 
1979 static int tasdevice_dspfw_ready(const struct firmware *fmw,
1980 	void *context)
1981 {
1982 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
1983 	struct tasdevice_fw_fixed_hdr *fw_fixed_hdr;
1984 	struct tasdevice_fw *tas_fmw;
1985 	int offset = 0;
1986 	int ret = 0;
1987 
1988 	if (!fmw || !fmw->data) {
1989 		dev_err(tas_priv->dev, "%s: Failed to read firmware %s\n",
1990 			__func__, tas_priv->coef_binaryname);
1991 		ret = -EINVAL;
1992 		goto out;
1993 	}
1994 
1995 	tas_priv->fmw = kzalloc(sizeof(struct tasdevice_fw), GFP_KERNEL);
1996 	if (!tas_priv->fmw) {
1997 		ret = -ENOMEM;
1998 		goto out;
1999 	}
2000 	tas_fmw = tas_priv->fmw;
2001 	tas_fmw->dev = tas_priv->dev;
2002 	offset = fw_parse_header(tas_priv, tas_fmw, fmw, offset);
2003 
2004 	if (offset == -EINVAL) {
2005 		ret = -EINVAL;
2006 		goto out;
2007 	}
2008 	fw_fixed_hdr = &(tas_fmw->fw_hdr.fixed_hdr);
2009 	/* Support different versions of firmware */
2010 	switch (fw_fixed_hdr->drv_ver) {
2011 	case 0x301:
2012 	case 0x302:
2013 	case 0x502:
2014 	case 0x503:
2015 		tas_priv->fw_parse_variable_header =
2016 			fw_parse_variable_header_kernel;
2017 		tas_priv->fw_parse_program_data =
2018 			fw_parse_program_data_kernel;
2019 		tas_priv->fw_parse_configuration_data =
2020 			fw_parse_configuration_data_kernel;
2021 		tas_priv->tasdevice_load_block =
2022 			tasdevice_load_block_kernel;
2023 		break;
2024 	case 0x202:
2025 	case 0x400:
2026 		tas_priv->fw_parse_variable_header =
2027 			fw_parse_variable_header_git;
2028 		tas_priv->fw_parse_program_data =
2029 			fw_parse_program_data;
2030 		tas_priv->fw_parse_configuration_data =
2031 			fw_parse_configuration_data;
2032 		tas_priv->tasdevice_load_block =
2033 			tasdevice_load_block;
2034 		break;
2035 	default:
2036 		ret = dspfw_default_callback(tas_priv,
2037 			fw_fixed_hdr->drv_ver, fw_fixed_hdr->ppcver);
2038 		if (ret)
2039 			goto out;
2040 		break;
2041 	}
2042 
2043 	offset = tas_priv->fw_parse_variable_header(tas_priv, fmw, offset);
2044 	if (offset < 0) {
2045 		ret = offset;
2046 		goto out;
2047 	}
2048 	offset = tas_priv->fw_parse_program_data(tas_priv, tas_fmw, fmw,
2049 		offset);
2050 	if (offset < 0) {
2051 		ret = offset;
2052 		goto out;
2053 	}
2054 	offset = tas_priv->fw_parse_configuration_data(tas_priv,
2055 		tas_fmw, fmw, offset);
2056 	if (offset < 0)
2057 		ret = offset;
2058 
2059 out:
2060 	return ret;
2061 }
2062 
2063 int tasdevice_dsp_parser(void *context)
2064 {
2065 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *)context;
2066 	const struct firmware *fw_entry;
2067 	int ret;
2068 
2069 	ret = request_firmware(&fw_entry, tas_priv->coef_binaryname,
2070 		tas_priv->dev);
2071 	if (ret) {
2072 		dev_err(tas_priv->dev, "%s: load %s error\n", __func__,
2073 			tas_priv->coef_binaryname);
2074 		goto out;
2075 	}
2076 
2077 	ret = tasdevice_dspfw_ready(fw_entry, tas_priv);
2078 	release_firmware(fw_entry);
2079 	fw_entry = NULL;
2080 
2081 out:
2082 	return ret;
2083 }
2084 EXPORT_SYMBOL_NS_GPL(tasdevice_dsp_parser, SND_SOC_TAS2781_FMWLIB);
2085 
2086 static void tas2781_clear_calfirmware(struct tasdevice_fw *tas_fmw)
2087 {
2088 	struct tasdevice_calibration *calibration;
2089 	struct tasdev_blk *block;
2090 	struct tasdevice_data *im;
2091 	unsigned int blks;
2092 	int i;
2093 
2094 	if (!tas_fmw->calibrations)
2095 		goto out;
2096 
2097 	for (i = 0; i < tas_fmw->nr_calibrations; i++) {
2098 		calibration = &(tas_fmw->calibrations[i]);
2099 		if (!calibration)
2100 			continue;
2101 
2102 		im = &(calibration->dev_data);
2103 
2104 		if (!im->dev_blks)
2105 			continue;
2106 
2107 		for (blks = 0; blks < im->nr_blk; blks++) {
2108 			block = &(im->dev_blks[blks]);
2109 			if (!block)
2110 				continue;
2111 			kfree(block->data);
2112 		}
2113 		kfree(im->dev_blks);
2114 	}
2115 	kfree(tas_fmw->calibrations);
2116 out:
2117 	kfree(tas_fmw);
2118 }
2119 
2120 void tasdevice_calbin_remove(void *context)
2121 {
2122 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
2123 	struct tasdevice *tasdev;
2124 	int i;
2125 
2126 	if (!tas_priv)
2127 		return;
2128 
2129 	for (i = 0; i < tas_priv->ndev; i++) {
2130 		tasdev = &(tas_priv->tasdevice[i]);
2131 		if (!tasdev->cali_data_fmw)
2132 			continue;
2133 		tas2781_clear_calfirmware(tasdev->cali_data_fmw);
2134 		tasdev->cali_data_fmw = NULL;
2135 	}
2136 }
2137 EXPORT_SYMBOL_NS_GPL(tasdevice_calbin_remove, SND_SOC_TAS2781_FMWLIB);
2138 
2139 void tasdevice_config_info_remove(void *context)
2140 {
2141 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
2142 	struct tasdevice_rca *rca = &(tas_priv->rcabin);
2143 	struct tasdevice_config_info **ci = rca->cfg_info;
2144 	int i, j;
2145 
2146 	if (!ci)
2147 		return;
2148 	for (i = 0; i < rca->ncfgs; i++) {
2149 		if (!ci[i])
2150 			continue;
2151 		if (ci[i]->blk_data) {
2152 			for (j = 0; j < (int)ci[i]->real_nblocks; j++) {
2153 				if (!ci[i]->blk_data[j])
2154 					continue;
2155 				kfree(ci[i]->blk_data[j]->regdata);
2156 				kfree(ci[i]->blk_data[j]);
2157 			}
2158 			kfree(ci[i]->blk_data);
2159 		}
2160 		kfree(ci[i]);
2161 	}
2162 	kfree(ci);
2163 }
2164 EXPORT_SYMBOL_NS_GPL(tasdevice_config_info_remove, SND_SOC_TAS2781_FMWLIB);
2165 
2166 static int tasdevice_load_data(struct tasdevice_priv *tas_priv,
2167 	struct tasdevice_data *dev_data)
2168 {
2169 	struct tasdev_blk *block;
2170 	unsigned int i;
2171 	int ret = 0;
2172 
2173 	for (i = 0; i < dev_data->nr_blk; i++) {
2174 		block = &(dev_data->dev_blks[i]);
2175 		ret = tas_priv->tasdevice_load_block(tas_priv, block);
2176 		if (ret < 0)
2177 			break;
2178 	}
2179 
2180 	return ret;
2181 }
2182 
2183 static void tasdev_load_calibrated_data(struct tasdevice_priv *priv, int i)
2184 {
2185 	struct tasdevice_calibration *cal;
2186 	struct tasdevice_fw *cal_fmw;
2187 
2188 	cal_fmw = priv->tasdevice[i].cali_data_fmw;
2189 
2190 	/* No calibrated data for current devices, playback will go ahead. */
2191 	if (!cal_fmw)
2192 		return;
2193 
2194 	cal = cal_fmw->calibrations;
2195 	if (!cal)
2196 		return;
2197 
2198 	load_calib_data(priv, &cal->dev_data);
2199 }
2200 
2201 int tasdevice_select_tuningprm_cfg(void *context, int prm_no,
2202 	int cfg_no, int rca_conf_no)
2203 {
2204 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
2205 	struct tasdevice_rca *rca = &(tas_priv->rcabin);
2206 	struct tasdevice_config_info **cfg_info = rca->cfg_info;
2207 	struct tasdevice_fw *tas_fmw = tas_priv->fmw;
2208 	struct tasdevice_prog *program;
2209 	struct tasdevice_config *conf;
2210 	int prog_status = 0;
2211 	int status, i;
2212 
2213 	if (!tas_fmw) {
2214 		dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
2215 		goto out;
2216 	}
2217 
2218 	if (cfg_no >= tas_fmw->nr_configurations) {
2219 		dev_err(tas_priv->dev,
2220 			"%s: cfg(%d) is not in range of conf %u\n",
2221 			__func__, cfg_no, tas_fmw->nr_configurations);
2222 		goto out;
2223 	}
2224 
2225 	if (prm_no >= tas_fmw->nr_programs) {
2226 		dev_err(tas_priv->dev,
2227 			"%s: prm(%d) is not in range of Programs %u\n",
2228 			__func__, prm_no, tas_fmw->nr_programs);
2229 		goto out;
2230 	}
2231 
2232 	if (rca_conf_no >= rca->ncfgs || rca_conf_no < 0 ||
2233 		!cfg_info) {
2234 		dev_err(tas_priv->dev,
2235 			"conf_no:%d should be in range from 0 to %u\n",
2236 			rca_conf_no, rca->ncfgs-1);
2237 		goto out;
2238 	}
2239 
2240 	for (i = 0, prog_status = 0; i < tas_priv->ndev; i++) {
2241 		if (cfg_info[rca_conf_no]->active_dev & (1 << i)) {
2242 			if (prm_no >= 0
2243 				&& (tas_priv->tasdevice[i].cur_prog != prm_no
2244 				|| tas_priv->force_fwload_status)) {
2245 				tas_priv->tasdevice[i].cur_conf = -1;
2246 				tas_priv->tasdevice[i].is_loading = true;
2247 				prog_status++;
2248 			}
2249 		} else
2250 			tas_priv->tasdevice[i].is_loading = false;
2251 		tas_priv->tasdevice[i].is_loaderr = false;
2252 	}
2253 
2254 	if (prog_status) {
2255 		program = &(tas_fmw->programs[prm_no]);
2256 		tasdevice_load_data(tas_priv, &(program->dev_data));
2257 		for (i = 0; i < tas_priv->ndev; i++) {
2258 			if (tas_priv->tasdevice[i].is_loaderr == true)
2259 				continue;
2260 			if (tas_priv->tasdevice[i].is_loaderr == false &&
2261 				tas_priv->tasdevice[i].is_loading == true)
2262 				tas_priv->tasdevice[i].cur_prog = prm_no;
2263 		}
2264 	}
2265 
2266 	for (i = 0, status = 0; i < tas_priv->ndev; i++) {
2267 		if (cfg_no >= 0
2268 			&& tas_priv->tasdevice[i].cur_conf != cfg_no
2269 			&& (cfg_info[rca_conf_no]->active_dev & (1 << i))
2270 			&& (tas_priv->tasdevice[i].is_loaderr == false)) {
2271 			status++;
2272 			tas_priv->tasdevice[i].is_loading = true;
2273 		} else
2274 			tas_priv->tasdevice[i].is_loading = false;
2275 	}
2276 
2277 	if (status) {
2278 		conf = &(tas_fmw->configs[cfg_no]);
2279 		status = 0;
2280 		tasdevice_load_data(tas_priv, &(conf->dev_data));
2281 		for (i = 0; i < tas_priv->ndev; i++) {
2282 			if (tas_priv->tasdevice[i].is_loaderr == true) {
2283 				status |= BIT(i + 4);
2284 				continue;
2285 			}
2286 
2287 			if (tas_priv->tasdevice[i].is_loaderr == false &&
2288 				tas_priv->tasdevice[i].is_loading == true) {
2289 				tasdev_load_calibrated_data(tas_priv, i);
2290 				tas_priv->tasdevice[i].cur_conf = cfg_no;
2291 			}
2292 		}
2293 	} else
2294 		dev_dbg(tas_priv->dev, "%s: Unneeded loading dsp conf %d\n",
2295 			__func__, cfg_no);
2296 
2297 	status |= cfg_info[rca_conf_no]->active_dev;
2298 
2299 out:
2300 	return prog_status;
2301 }
2302 EXPORT_SYMBOL_NS_GPL(tasdevice_select_tuningprm_cfg,
2303 	SND_SOC_TAS2781_FMWLIB);
2304 
2305 int tasdevice_prmg_load(void *context, int prm_no)
2306 {
2307 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
2308 	struct tasdevice_fw *tas_fmw = tas_priv->fmw;
2309 	struct tasdevice_prog *program;
2310 	int prog_status = 0;
2311 	int i;
2312 
2313 	if (!tas_fmw) {
2314 		dev_err(tas_priv->dev, "%s: Firmware is NULL\n", __func__);
2315 		goto out;
2316 	}
2317 
2318 	if (prm_no >= tas_fmw->nr_programs) {
2319 		dev_err(tas_priv->dev,
2320 			"%s: prm(%d) is not in range of Programs %u\n",
2321 			__func__, prm_no, tas_fmw->nr_programs);
2322 		goto out;
2323 	}
2324 
2325 	for (i = 0, prog_status = 0; i < tas_priv->ndev; i++) {
2326 		if (prm_no >= 0 && tas_priv->tasdevice[i].cur_prog != prm_no) {
2327 			tas_priv->tasdevice[i].cur_conf = -1;
2328 			tas_priv->tasdevice[i].is_loading = true;
2329 			prog_status++;
2330 		}
2331 	}
2332 
2333 	if (prog_status) {
2334 		program = &(tas_fmw->programs[prm_no]);
2335 		tasdevice_load_data(tas_priv, &(program->dev_data));
2336 		for (i = 0; i < tas_priv->ndev; i++) {
2337 			if (tas_priv->tasdevice[i].is_loaderr == true)
2338 				continue;
2339 			else if (tas_priv->tasdevice[i].is_loaderr == false
2340 				&& tas_priv->tasdevice[i].is_loading == true)
2341 				tas_priv->tasdevice[i].cur_prog = prm_no;
2342 		}
2343 	}
2344 
2345 out:
2346 	return prog_status;
2347 }
2348 EXPORT_SYMBOL_NS_GPL(tasdevice_prmg_load, SND_SOC_TAS2781_FMWLIB);
2349 
2350 void tasdevice_tuning_switch(void *context, int state)
2351 {
2352 	struct tasdevice_priv *tas_priv = (struct tasdevice_priv *) context;
2353 	struct tasdevice_fw *tas_fmw = tas_priv->fmw;
2354 	int profile_cfg_id = tas_priv->rcabin.profile_cfg_id;
2355 
2356 	/*
2357 	 * Only RCA-based Playback can still work with no dsp program running
2358 	 * inside the chip.
2359 	 */
2360 	switch (tas_priv->fw_state) {
2361 	case TASDEVICE_RCA_FW_OK:
2362 	case TASDEVICE_DSP_FW_ALL_OK:
2363 		break;
2364 	default:
2365 		return;
2366 	}
2367 
2368 	if (state == 0) {
2369 		if (tas_fmw && tas_priv->cur_prog < tas_fmw->nr_programs) {
2370 			/* dsp mode or tuning mode */
2371 			profile_cfg_id = tas_priv->rcabin.profile_cfg_id;
2372 			tasdevice_select_tuningprm_cfg(tas_priv,
2373 				tas_priv->cur_prog, tas_priv->cur_conf,
2374 				profile_cfg_id);
2375 		}
2376 
2377 		tasdevice_select_cfg_blk(tas_priv, profile_cfg_id,
2378 			TASDEVICE_BIN_BLK_PRE_POWER_UP);
2379 	} else {
2380 		tasdevice_select_cfg_blk(tas_priv, profile_cfg_id,
2381 			TASDEVICE_BIN_BLK_PRE_SHUTDOWN);
2382 	}
2383 }
2384 EXPORT_SYMBOL_NS_GPL(tasdevice_tuning_switch,
2385 	SND_SOC_TAS2781_FMWLIB);
2386 
2387 MODULE_DESCRIPTION("Texas Firmware Support");
2388 MODULE_AUTHOR("Shenghao Ding, TI, <shenghao-ding@ti.com>");
2389 MODULE_LICENSE("GPL");
2390