summaryrefslogtreecommitdiff
path: root/drivers/bluetooth/btqca.c
blob: e7e58a956d1544fb56e890a9df416d0d99b040f2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
// SPDX-License-Identifier: GPL-2.0-only
/*
 *  Bluetooth supports for Qualcomm Atheros chips
 *
 *  Copyright (c) 2015 The Linux Foundation. All rights reserved.
 */
#include <linux/module.h>
#include <linux/firmware.h>
#include <linux/vmalloc.h>

#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>

#include "btqca.h"

#define VERSION "0.1"

int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
			 enum qca_btsoc_type soc_type)
{
	struct sk_buff *skb;
	struct edl_event_hdr *edl;
	char cmd;
	int err = 0;
	u8 event_type = HCI_EV_VENDOR;
	u8 rlen = sizeof(*edl) + sizeof(*ver);
	u8 rtype = EDL_APP_VER_RES_EVT;

	bt_dev_dbg(hdev, "QCA Version Request");

	/* Unlike other SoC's sending version command response as payload to
	 * VSE event. WCN3991 sends version command response as a payload to
	 * command complete event.
	 */
	if (soc_type >= QCA_WCN3991) {
		event_type = 0;
		rlen += 1;
		rtype = EDL_PATCH_VER_REQ_CMD;
	}

	cmd = EDL_PATCH_VER_REQ_CMD;
	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
				&cmd, event_type, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "Reading QCA version information failed (%d)",
			   err);
		return err;
	}

	if (skb->len != rlen) {
		bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
		err = -EILSEQ;
		goto out;
	}

	edl = (struct edl_event_hdr *)(skb->data);
	if (!edl) {
		bt_dev_err(hdev, "QCA TLV with no header");
		err = -EILSEQ;
		goto out;
	}

	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
	    edl->rtype != rtype) {
		bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
			   edl->rtype);
		err = -EIO;
		goto out;
	}

	if (soc_type >= QCA_WCN3991)
		memcpy(ver, edl->data + 1, sizeof(*ver));
	else
		memcpy(ver, &edl->data, sizeof(*ver));

	bt_dev_info(hdev, "QCA Product ID   :0x%08x",
		    le32_to_cpu(ver->product_id));
	bt_dev_info(hdev, "QCA SOC Version  :0x%08x",
		    le32_to_cpu(ver->soc_id));
	bt_dev_info(hdev, "QCA ROM Version  :0x%08x",
		    le16_to_cpu(ver->rom_ver));
	bt_dev_info(hdev, "QCA Patch Version:0x%08x",
		    le16_to_cpu(ver->patch_ver));

	if (ver->soc_id == 0 || ver->rom_ver == 0)
		err = -EILSEQ;

out:
	kfree_skb(skb);
	if (err)
		bt_dev_err(hdev, "QCA Failed to get version (%d)", err);

	return err;
}
EXPORT_SYMBOL_GPL(qca_read_soc_version);

static int qca_read_fw_build_info(struct hci_dev *hdev)
{
	struct sk_buff *skb;
	struct edl_event_hdr *edl;
	char cmd, build_label[QCA_FW_BUILD_VER_LEN];
	int build_lbl_len, err = 0;

	bt_dev_dbg(hdev, "QCA read fw build info");

	cmd = EDL_GET_BUILD_INFO_CMD;
	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
				&cmd, 0, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "Reading QCA fw build info failed (%d)",
			   err);
		return err;
	}

	edl = (struct edl_event_hdr *)(skb->data);
	if (!edl) {
		bt_dev_err(hdev, "QCA read fw build info with no header");
		err = -EILSEQ;
		goto out;
	}

	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
	    edl->rtype != EDL_GET_BUILD_INFO_CMD) {
		bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
			   edl->rtype);
		err = -EIO;
		goto out;
	}

	build_lbl_len = edl->data[0];
	if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) {
		memcpy(build_label, edl->data + 1, build_lbl_len);
		*(build_label + build_lbl_len) = '\0';
	}

	hci_set_fw_info(hdev, "%s", build_label);

out:
	kfree_skb(skb);
	return err;
}

static int qca_send_patch_config_cmd(struct hci_dev *hdev)
{
	const u8 cmd[] = { EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0 };
	struct sk_buff *skb;
	struct edl_event_hdr *edl;
	int err;

	bt_dev_dbg(hdev, "QCA Patch config");

	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd),
				cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err);
		return err;
	}

	if (skb->len != 2) {
		bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len);
		err = -EILSEQ;
		goto out;
	}

	edl = (struct edl_event_hdr *)(skb->data);
	if (!edl) {
		bt_dev_err(hdev, "QCA Patch config with no header");
		err = -EILSEQ;
		goto out;
	}

	if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != EDL_PATCH_CONFIG_CMD) {
		bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
			   edl->rtype);
		err = -EIO;
		goto out;
	}

	err = 0;

out:
	kfree_skb(skb);
	return err;
}

static int qca_send_reset(struct hci_dev *hdev)
{
	struct sk_buff *skb;
	int err;

	bt_dev_dbg(hdev, "QCA HCI_RESET");

	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Reset failed (%d)", err);
		return err;
	}

	kfree_skb(skb);

	return 0;
}

int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
{
	struct sk_buff *skb;
	int err;

	bt_dev_dbg(hdev, "QCA pre shutdown cmd");

	skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,
				NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);

	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);
		return err;
	}

	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);

static void qca_tlv_check_data(struct hci_dev *hdev,
			       struct qca_fw_config *config,
		u8 *fw_data, enum qca_btsoc_type soc_type)
{
	const u8 *data;
	u32 type_len;
	u16 tag_id, tag_len;
	int idx, length;
	struct tlv_type_hdr *tlv;
	struct tlv_type_patch *tlv_patch;
	struct tlv_type_nvm *tlv_nvm;
	uint8_t nvm_baud_rate = config->user_baud_rate;

	config->dnld_mode = QCA_SKIP_EVT_NONE;
	config->dnld_type = QCA_SKIP_EVT_NONE;

	switch (config->type) {
	case ELF_TYPE_PATCH:
		config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
		config->dnld_type = QCA_SKIP_EVT_VSE_CC;

		bt_dev_dbg(hdev, "File Class        : 0x%x", fw_data[4]);
		bt_dev_dbg(hdev, "Data Encoding     : 0x%x", fw_data[5]);
		bt_dev_dbg(hdev, "File version      : 0x%x", fw_data[6]);
		break;
	case TLV_TYPE_PATCH:
		tlv = (struct tlv_type_hdr *)fw_data;
		type_len = le32_to_cpu(tlv->type_len);
		tlv_patch = (struct tlv_type_patch *)tlv->data;

		/* For Rome version 1.1 to 3.1, all segment commands
		 * are acked by a vendor specific event (VSE).
		 * For Rome >= 3.2, the download mode field indicates
		 * if VSE is skipped by the controller.
		 * In case VSE is skipped, only the last segment is acked.
		 */
		config->dnld_mode = tlv_patch->download_mode;
		config->dnld_type = config->dnld_mode;

		BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
		BT_DBG("Total Length           : %d bytes",
		       le32_to_cpu(tlv_patch->total_size));
		BT_DBG("Patch Data Length      : %d bytes",
		       le32_to_cpu(tlv_patch->data_length));
		BT_DBG("Signing Format Version : 0x%x",
		       tlv_patch->format_version);
		BT_DBG("Signature Algorithm    : 0x%x",
		       tlv_patch->signature);
		BT_DBG("Download mode          : 0x%x",
		       tlv_patch->download_mode);
		BT_DBG("Reserved               : 0x%x",
		       tlv_patch->reserved1);
		BT_DBG("Product ID             : 0x%04x",
		       le16_to_cpu(tlv_patch->product_id));
		BT_DBG("Rom Build Version      : 0x%04x",
		       le16_to_cpu(tlv_patch->rom_build));
		BT_DBG("Patch Version          : 0x%04x",
		       le16_to_cpu(tlv_patch->patch_version));
		BT_DBG("Reserved               : 0x%x",
		       le16_to_cpu(tlv_patch->reserved2));
		BT_DBG("Patch Entry Address    : 0x%x",
		       le32_to_cpu(tlv_patch->entry));
		break;

	case TLV_TYPE_NVM:
		tlv = (struct tlv_type_hdr *)fw_data;

		type_len = le32_to_cpu(tlv->type_len);
		length = (type_len >> 8) & 0x00ffffff;

		BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
		BT_DBG("Length\t\t : %d bytes", length);

		idx = 0;
		data = tlv->data;
		while (idx < length) {
			tlv_nvm = (struct tlv_type_nvm *)(data + idx);

			tag_id = le16_to_cpu(tlv_nvm->tag_id);
			tag_len = le16_to_cpu(tlv_nvm->tag_len);

			/* Update NVM tags as needed */
			switch (tag_id) {
			case EDL_TAG_ID_HCI:
				/* HCI transport layer parameters
				 * enabling software inband sleep
				 * onto controller side.
				 */
				tlv_nvm->data[0] |= 0x80;

				/* UART Baud Rate */
				if (soc_type >= QCA_WCN3991)
					tlv_nvm->data[1] = nvm_baud_rate;
				else
					tlv_nvm->data[2] = nvm_baud_rate;

				break;

			case EDL_TAG_ID_DEEP_SLEEP:
				/* Sleep enable mask
				 * enabling deep sleep feature on controller.
				 */
				tlv_nvm->data[0] |= 0x01;

				break;
			}

			idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
		}
		break;

	default:
		BT_ERR("Unknown TLV type %d", config->type);
		break;
	}
}

static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
				const u8 *data, enum qca_tlv_dnld_mode mode,
				enum qca_btsoc_type soc_type)
{
	struct sk_buff *skb;
	struct edl_event_hdr *edl;
	struct tlv_seg_resp *tlv_resp;
	u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
	int err = 0;
	u8 event_type = HCI_EV_VENDOR;
	u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp));
	u8 rtype = EDL_TVL_DNLD_RES_EVT;

	cmd[0] = EDL_PATCH_TLV_REQ_CMD;
	cmd[1] = seg_size;
	memcpy(cmd + 2, data, seg_size);

	if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE)
		return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
				      cmd);

	/* Unlike other SoC's sending version command response as payload to
	 * VSE event. WCN3991 sends version command response as a payload to
	 * command complete event.
	 */
	if (soc_type >= QCA_WCN3991) {
		event_type = 0;
		rlen = sizeof(*edl);
		rtype = EDL_PATCH_TLV_REQ_CMD;
	}

	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
				event_type, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
		return err;
	}

	if (skb->len != rlen) {
		bt_dev_err(hdev, "QCA TLV response size mismatch");
		err = -EILSEQ;
		goto out;
	}

	edl = (struct edl_event_hdr *)(skb->data);
	if (!edl) {
		bt_dev_err(hdev, "TLV with no header");
		err = -EILSEQ;
		goto out;
	}

	if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) {
		bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",
			   edl->cresp, edl->rtype);
		err = -EIO;
	}

	if (soc_type >= QCA_WCN3991)
		goto out;

	tlv_resp = (struct tlv_seg_resp *)(edl->data);
	if (tlv_resp->result) {
		bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
			   edl->cresp, edl->rtype, tlv_resp->result);
	}

out:
	kfree_skb(skb);

	return err;
}

static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
{
	struct hci_event_hdr *hdr;
	struct hci_ev_cmd_complete *evt;
	struct sk_buff *skb;

	skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
	if (!skb)
		return -ENOMEM;

	hdr = skb_put(skb, sizeof(*hdr));
	hdr->evt = HCI_EV_CMD_COMPLETE;
	hdr->plen = sizeof(*evt) + 1;

	evt = skb_put(skb, sizeof(*evt));
	evt->ncmd = 1;
	evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);

	skb_put_u8(skb, QCA_HCI_CC_SUCCESS);

	hci_skb_pkt_type(skb) = HCI_EVENT_PKT;

	return hci_recv_frame(hdev, skb);
}

static int qca_download_firmware(struct hci_dev *hdev,
				 struct qca_fw_config *config,
				 enum qca_btsoc_type soc_type,
				 u8 rom_ver)
{
	const struct firmware *fw;
	u8 *data;
	const u8 *segment;
	int ret, size, remain, i = 0;

	bt_dev_info(hdev, "QCA Downloading %s", config->fwname);

	ret = request_firmware(&fw, config->fwname, &hdev->dev);
	if (ret) {
		/* For WCN6750, if mbn file is not present then check for
		 * tlv file.
		 */
		if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) {
			bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",
				   config->fwname, ret);
			config->type = TLV_TYPE_PATCH;
			snprintf(config->fwname, sizeof(config->fwname),
				 "qca/msbtfw%02x.tlv", rom_ver);
			bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
			ret = request_firmware(&fw, config->fwname, &hdev->dev);
			if (ret) {
				bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
					   config->fwname, ret);
				return ret;
			}
		} else {
			bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
				   config->fwname, ret);
			return ret;
		}
	}

	size = fw->size;
	data = vmalloc(fw->size);
	if (!data) {
		bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",
			   config->fwname);
		release_firmware(fw);
		return -ENOMEM;
	}

	memcpy(data, fw->data, size);
	release_firmware(fw);

	qca_tlv_check_data(hdev, config, data, soc_type);

	segment = data;
	remain = size;
	while (remain > 0) {
		int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);

		bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);

		remain -= segsize;
		/* The last segment is always acked regardless download mode */
		if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
			config->dnld_mode = QCA_SKIP_EVT_NONE;

		ret = qca_tlv_send_segment(hdev, segsize, segment,
					   config->dnld_mode, soc_type);
		if (ret)
			goto out;

		segment += segsize;
	}

	/* Latest qualcomm chipsets are not sending a command complete event
	 * for every fw packet sent. They only respond with a vendor specific
	 * event for the last packet. This optimization in the chip will
	 * decrease the BT in initialization time. Here we will inject a command
	 * complete event to avoid a command timeout error message.
	 */
	if (config->dnld_type == QCA_SKIP_EVT_VSE_CC ||
	    config->dnld_type == QCA_SKIP_EVT_VSE)
		ret = qca_inject_cmd_complete_event(hdev);

out:
	vfree(data);

	return ret;
}

static int qca_disable_soc_logging(struct hci_dev *hdev)
{
	struct sk_buff *skb;
	u8 cmd[2];
	int err;

	cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;
	cmd[1] = 0x00;
	skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,
				HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);
		return err;
	}

	kfree_skb(skb);

	return 0;
}

int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
	struct sk_buff *skb;
	u8 cmd[9];
	int err;

	cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
	cmd[1] = 0x02; 			/* TAG ID */
	cmd[2] = sizeof(bdaddr_t);	/* size */
	memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
	skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
		return err;
	}

	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);

int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
		   enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
		   const char *firmware_name)
{
	struct qca_fw_config config;
	int err;
	u8 rom_ver = 0;
	u32 soc_ver;

	bt_dev_dbg(hdev, "QCA setup on UART");

	soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);

	bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);

	config.user_baud_rate = baudrate;

	/* Firmware files to download are based on ROM version.
	 * ROM version is derived from last two bytes of soc_ver.
	 */
	rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);

	if (soc_type == QCA_WCN6750)
		qca_send_patch_config_cmd(hdev);

	/* Download rampatch file */
	config.type = TLV_TYPE_PATCH;
	if (qca_is_wcn399x(soc_type)) {
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/crbtfw%02x.tlv", rom_ver);
	} else if (soc_type == QCA_QCA6390) {
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/htbtfw%02x.tlv", rom_ver);
	} else if (soc_type == QCA_WCN6750) {
		/* Choose mbn file by default.If mbn file is not found
		 * then choose tlv file
		 */
		config.type = ELF_TYPE_PATCH;
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/msbtfw%02x.mbn", rom_ver);
	} else if (soc_type == QCA_WCN6855) {
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/hpbtfw%02x.tlv", rom_ver);
	} else {
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/rampatch_%08x.bin", soc_ver);
	}

	err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
	if (err < 0) {
		bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
		return err;
	}

	/* Give the controller some time to get ready to receive the NVM */
	msleep(10);

	/* Download NVM configuration */
	config.type = TLV_TYPE_NVM;
	if (firmware_name)
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/%s", firmware_name);
	else if (qca_is_wcn399x(soc_type)) {
		if (le32_to_cpu(ver.soc_id) == QCA_WCN3991_SOC_ID) {
			snprintf(config.fwname, sizeof(config.fwname),
				 "qca/crnv%02xu.bin", rom_ver);
		} else {
			snprintf(config.fwname, sizeof(config.fwname),
				 "qca/crnv%02x.bin", rom_ver);
		}
	}
	else if (soc_type == QCA_QCA6390)
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/htnv%02x.bin", rom_ver);
	else if (soc_type == QCA_WCN6750)
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/msnv%02x.bin", rom_ver);
	else if (soc_type == QCA_WCN6855)
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/hpnv%02x.bin", rom_ver);
	else
		snprintf(config.fwname, sizeof(config.fwname),
			 "qca/nvm_%08x.bin", soc_ver);

	err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
	if (err < 0) {
		bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
		return err;
	}

	if (soc_type >= QCA_WCN3991) {
		err = qca_disable_soc_logging(hdev);
		if (err < 0)
			return err;
	}

	/* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
	 * VsMsftOpCode.
	 */
	switch (soc_type) {
	case QCA_WCN3990:
	case QCA_WCN3991:
	case QCA_WCN3998:
	case QCA_WCN6750:
		hci_set_msft_opcode(hdev, 0xFD70);
		break;
	default:
		break;
	}

	/* Perform HCI reset */
	err = qca_send_reset(hdev);
	if (err < 0) {
		bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
		return err;
	}

	switch (soc_type) {
	case QCA_WCN3991:
	case QCA_WCN6750:
	case QCA_WCN6855:
		/* get fw build info */
		err = qca_read_fw_build_info(hdev);
		if (err < 0)
			return err;
		break;
	default:
		break;
	}

	bt_dev_info(hdev, "QCA setup on UART is completed");

	return 0;
}
EXPORT_SYMBOL_GPL(qca_uart_setup);

int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
{
	struct sk_buff *skb;
	int err;

	skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	if (IS_ERR(skb)) {
		err = PTR_ERR(skb);
		bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
		return err;
	}

	kfree_skb(skb);

	return 0;
}
EXPORT_SYMBOL_GPL(qca_set_bdaddr);


MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL");