xref: /openbmc/linux/drivers/bluetooth/btqca.c (revision 7f8256ae)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  Bluetooth supports for Qualcomm Atheros chips
4  *
5  *  Copyright (c) 2015 The Linux Foundation. All rights reserved.
6  */
7 #include <linux/module.h>
8 #include <linux/firmware.h>
9 #include <linux/vmalloc.h>
10 
11 #include <net/bluetooth/bluetooth.h>
12 #include <net/bluetooth/hci_core.h>
13 
14 #include "btqca.h"
15 
16 #define VERSION "0.1"
17 
18 int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
19 			 enum qca_btsoc_type soc_type)
20 {
21 	struct sk_buff *skb;
22 	struct edl_event_hdr *edl;
23 	char cmd;
24 	int err = 0;
25 	u8 event_type = HCI_EV_VENDOR;
26 	u8 rlen = sizeof(*edl) + sizeof(*ver);
27 	u8 rtype = EDL_APP_VER_RES_EVT;
28 
29 	bt_dev_dbg(hdev, "QCA Version Request");
30 
31 	/* Unlike other SoC's sending version command response as payload to
32 	 * VSE event. WCN3991 sends version command response as a payload to
33 	 * command complete event.
34 	 */
35 	if (soc_type >= QCA_WCN3991) {
36 		event_type = 0;
37 		rlen += 1;
38 		rtype = EDL_PATCH_VER_REQ_CMD;
39 	}
40 
41 	cmd = EDL_PATCH_VER_REQ_CMD;
42 	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
43 				&cmd, event_type, HCI_INIT_TIMEOUT);
44 	if (IS_ERR(skb)) {
45 		err = PTR_ERR(skb);
46 		bt_dev_err(hdev, "Reading QCA version information failed (%d)",
47 			   err);
48 		return err;
49 	}
50 
51 	if (skb->len != rlen) {
52 		bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
53 		err = -EILSEQ;
54 		goto out;
55 	}
56 
57 	edl = (struct edl_event_hdr *)(skb->data);
58 	if (!edl) {
59 		bt_dev_err(hdev, "QCA TLV with no header");
60 		err = -EILSEQ;
61 		goto out;
62 	}
63 
64 	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
65 	    edl->rtype != rtype) {
66 		bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
67 			   edl->rtype);
68 		err = -EIO;
69 		goto out;
70 	}
71 
72 	if (soc_type >= QCA_WCN3991)
73 		memcpy(ver, edl->data + 1, sizeof(*ver));
74 	else
75 		memcpy(ver, &edl->data, sizeof(*ver));
76 
77 	bt_dev_info(hdev, "QCA Product ID   :0x%08x",
78 		    le32_to_cpu(ver->product_id));
79 	bt_dev_info(hdev, "QCA SOC Version  :0x%08x",
80 		    le32_to_cpu(ver->soc_id));
81 	bt_dev_info(hdev, "QCA ROM Version  :0x%08x",
82 		    le16_to_cpu(ver->rom_ver));
83 	bt_dev_info(hdev, "QCA Patch Version:0x%08x",
84 		    le16_to_cpu(ver->patch_ver));
85 
86 	if (ver->soc_id == 0 || ver->rom_ver == 0)
87 		err = -EILSEQ;
88 
89 out:
90 	kfree_skb(skb);
91 	if (err)
92 		bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
93 
94 	return err;
95 }
96 EXPORT_SYMBOL_GPL(qca_read_soc_version);
97 
98 static int qca_read_fw_build_info(struct hci_dev *hdev)
99 {
100 	struct sk_buff *skb;
101 	struct edl_event_hdr *edl;
102 	char cmd, build_label[QCA_FW_BUILD_VER_LEN];
103 	int build_lbl_len, err = 0;
104 
105 	bt_dev_dbg(hdev, "QCA read fw build info");
106 
107 	cmd = EDL_GET_BUILD_INFO_CMD;
108 	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
109 				&cmd, 0, HCI_INIT_TIMEOUT);
110 	if (IS_ERR(skb)) {
111 		err = PTR_ERR(skb);
112 		bt_dev_err(hdev, "Reading QCA fw build info failed (%d)",
113 			   err);
114 		return err;
115 	}
116 
117 	edl = (struct edl_event_hdr *)(skb->data);
118 	if (!edl) {
119 		bt_dev_err(hdev, "QCA read fw build info with no header");
120 		err = -EILSEQ;
121 		goto out;
122 	}
123 
124 	if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
125 	    edl->rtype != EDL_GET_BUILD_INFO_CMD) {
126 		bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
127 			   edl->rtype);
128 		err = -EIO;
129 		goto out;
130 	}
131 
132 	build_lbl_len = edl->data[0];
133 	if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) {
134 		memcpy(build_label, edl->data + 1, build_lbl_len);
135 		*(build_label + build_lbl_len) = '\0';
136 	}
137 
138 	hci_set_fw_info(hdev, "%s", build_label);
139 
140 out:
141 	kfree_skb(skb);
142 	return err;
143 }
144 
145 static int qca_send_patch_config_cmd(struct hci_dev *hdev)
146 {
147 	const u8 cmd[] = { EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0 };
148 	struct sk_buff *skb;
149 	struct edl_event_hdr *edl;
150 	int err;
151 
152 	bt_dev_dbg(hdev, "QCA Patch config");
153 
154 	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd),
155 				cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
156 	if (IS_ERR(skb)) {
157 		err = PTR_ERR(skb);
158 		bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err);
159 		return err;
160 	}
161 
162 	if (skb->len != 2) {
163 		bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len);
164 		err = -EILSEQ;
165 		goto out;
166 	}
167 
168 	edl = (struct edl_event_hdr *)(skb->data);
169 	if (!edl) {
170 		bt_dev_err(hdev, "QCA Patch config with no header");
171 		err = -EILSEQ;
172 		goto out;
173 	}
174 
175 	if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != EDL_PATCH_CONFIG_CMD) {
176 		bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
177 			   edl->rtype);
178 		err = -EIO;
179 		goto out;
180 	}
181 
182 	err = 0;
183 
184 out:
185 	kfree_skb(skb);
186 	return err;
187 }
188 
189 static int qca_send_reset(struct hci_dev *hdev)
190 {
191 	struct sk_buff *skb;
192 	int err;
193 
194 	bt_dev_dbg(hdev, "QCA HCI_RESET");
195 
196 	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
197 	if (IS_ERR(skb)) {
198 		err = PTR_ERR(skb);
199 		bt_dev_err(hdev, "QCA Reset failed (%d)", err);
200 		return err;
201 	}
202 
203 	kfree_skb(skb);
204 
205 	return 0;
206 }
207 
208 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
209 {
210 	struct sk_buff *skb;
211 	int err;
212 
213 	bt_dev_dbg(hdev, "QCA pre shutdown cmd");
214 
215 	skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,
216 				NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
217 
218 	if (IS_ERR(skb)) {
219 		err = PTR_ERR(skb);
220 		bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);
221 		return err;
222 	}
223 
224 	kfree_skb(skb);
225 
226 	return 0;
227 }
228 EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
229 
230 static void qca_tlv_check_data(struct hci_dev *hdev,
231 			       struct qca_fw_config *config,
232 		u8 *fw_data, enum qca_btsoc_type soc_type)
233 {
234 	const u8 *data;
235 	u32 type_len;
236 	u16 tag_id, tag_len;
237 	int idx, length;
238 	struct tlv_type_hdr *tlv;
239 	struct tlv_type_patch *tlv_patch;
240 	struct tlv_type_nvm *tlv_nvm;
241 	uint8_t nvm_baud_rate = config->user_baud_rate;
242 
243 	config->dnld_mode = QCA_SKIP_EVT_NONE;
244 	config->dnld_type = QCA_SKIP_EVT_NONE;
245 
246 	switch (config->type) {
247 	case ELF_TYPE_PATCH:
248 		config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
249 		config->dnld_type = QCA_SKIP_EVT_VSE_CC;
250 
251 		bt_dev_dbg(hdev, "File Class        : 0x%x", fw_data[4]);
252 		bt_dev_dbg(hdev, "Data Encoding     : 0x%x", fw_data[5]);
253 		bt_dev_dbg(hdev, "File version      : 0x%x", fw_data[6]);
254 		break;
255 	case TLV_TYPE_PATCH:
256 		tlv = (struct tlv_type_hdr *)fw_data;
257 		type_len = le32_to_cpu(tlv->type_len);
258 		tlv_patch = (struct tlv_type_patch *)tlv->data;
259 
260 		/* For Rome version 1.1 to 3.1, all segment commands
261 		 * are acked by a vendor specific event (VSE).
262 		 * For Rome >= 3.2, the download mode field indicates
263 		 * if VSE is skipped by the controller.
264 		 * In case VSE is skipped, only the last segment is acked.
265 		 */
266 		config->dnld_mode = tlv_patch->download_mode;
267 		config->dnld_type = config->dnld_mode;
268 
269 		BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
270 		BT_DBG("Total Length           : %d bytes",
271 		       le32_to_cpu(tlv_patch->total_size));
272 		BT_DBG("Patch Data Length      : %d bytes",
273 		       le32_to_cpu(tlv_patch->data_length));
274 		BT_DBG("Signing Format Version : 0x%x",
275 		       tlv_patch->format_version);
276 		BT_DBG("Signature Algorithm    : 0x%x",
277 		       tlv_patch->signature);
278 		BT_DBG("Download mode          : 0x%x",
279 		       tlv_patch->download_mode);
280 		BT_DBG("Reserved               : 0x%x",
281 		       tlv_patch->reserved1);
282 		BT_DBG("Product ID             : 0x%04x",
283 		       le16_to_cpu(tlv_patch->product_id));
284 		BT_DBG("Rom Build Version      : 0x%04x",
285 		       le16_to_cpu(tlv_patch->rom_build));
286 		BT_DBG("Patch Version          : 0x%04x",
287 		       le16_to_cpu(tlv_patch->patch_version));
288 		BT_DBG("Reserved               : 0x%x",
289 		       le16_to_cpu(tlv_patch->reserved2));
290 		BT_DBG("Patch Entry Address    : 0x%x",
291 		       le32_to_cpu(tlv_patch->entry));
292 		break;
293 
294 	case TLV_TYPE_NVM:
295 		tlv = (struct tlv_type_hdr *)fw_data;
296 
297 		type_len = le32_to_cpu(tlv->type_len);
298 		length = (type_len >> 8) & 0x00ffffff;
299 
300 		BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
301 		BT_DBG("Length\t\t : %d bytes", length);
302 
303 		idx = 0;
304 		data = tlv->data;
305 		while (idx < length) {
306 			tlv_nvm = (struct tlv_type_nvm *)(data + idx);
307 
308 			tag_id = le16_to_cpu(tlv_nvm->tag_id);
309 			tag_len = le16_to_cpu(tlv_nvm->tag_len);
310 
311 			/* Update NVM tags as needed */
312 			switch (tag_id) {
313 			case EDL_TAG_ID_HCI:
314 				/* HCI transport layer parameters
315 				 * enabling software inband sleep
316 				 * onto controller side.
317 				 */
318 				tlv_nvm->data[0] |= 0x80;
319 
320 				/* UART Baud Rate */
321 				if (soc_type >= QCA_WCN3991)
322 					tlv_nvm->data[1] = nvm_baud_rate;
323 				else
324 					tlv_nvm->data[2] = nvm_baud_rate;
325 
326 				break;
327 
328 			case EDL_TAG_ID_DEEP_SLEEP:
329 				/* Sleep enable mask
330 				 * enabling deep sleep feature on controller.
331 				 */
332 				tlv_nvm->data[0] |= 0x01;
333 
334 				break;
335 			}
336 
337 			idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
338 		}
339 		break;
340 
341 	default:
342 		BT_ERR("Unknown TLV type %d", config->type);
343 		break;
344 	}
345 }
346 
347 static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
348 				const u8 *data, enum qca_tlv_dnld_mode mode,
349 				enum qca_btsoc_type soc_type)
350 {
351 	struct sk_buff *skb;
352 	struct edl_event_hdr *edl;
353 	struct tlv_seg_resp *tlv_resp;
354 	u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
355 	int err = 0;
356 	u8 event_type = HCI_EV_VENDOR;
357 	u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp));
358 	u8 rtype = EDL_TVL_DNLD_RES_EVT;
359 
360 	cmd[0] = EDL_PATCH_TLV_REQ_CMD;
361 	cmd[1] = seg_size;
362 	memcpy(cmd + 2, data, seg_size);
363 
364 	if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE)
365 		return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
366 				      cmd);
367 
368 	/* Unlike other SoC's sending version command response as payload to
369 	 * VSE event. WCN3991 sends version command response as a payload to
370 	 * command complete event.
371 	 */
372 	if (soc_type >= QCA_WCN3991) {
373 		event_type = 0;
374 		rlen = sizeof(*edl);
375 		rtype = EDL_PATCH_TLV_REQ_CMD;
376 	}
377 
378 	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
379 				event_type, HCI_INIT_TIMEOUT);
380 	if (IS_ERR(skb)) {
381 		err = PTR_ERR(skb);
382 		bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
383 		return err;
384 	}
385 
386 	if (skb->len != rlen) {
387 		bt_dev_err(hdev, "QCA TLV response size mismatch");
388 		err = -EILSEQ;
389 		goto out;
390 	}
391 
392 	edl = (struct edl_event_hdr *)(skb->data);
393 	if (!edl) {
394 		bt_dev_err(hdev, "TLV with no header");
395 		err = -EILSEQ;
396 		goto out;
397 	}
398 
399 	if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) {
400 		bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",
401 			   edl->cresp, edl->rtype);
402 		err = -EIO;
403 	}
404 
405 	if (soc_type >= QCA_WCN3991)
406 		goto out;
407 
408 	tlv_resp = (struct tlv_seg_resp *)(edl->data);
409 	if (tlv_resp->result) {
410 		bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
411 			   edl->cresp, edl->rtype, tlv_resp->result);
412 	}
413 
414 out:
415 	kfree_skb(skb);
416 
417 	return err;
418 }
419 
420 static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
421 {
422 	struct hci_event_hdr *hdr;
423 	struct hci_ev_cmd_complete *evt;
424 	struct sk_buff *skb;
425 
426 	skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
427 	if (!skb)
428 		return -ENOMEM;
429 
430 	hdr = skb_put(skb, sizeof(*hdr));
431 	hdr->evt = HCI_EV_CMD_COMPLETE;
432 	hdr->plen = sizeof(*evt) + 1;
433 
434 	evt = skb_put(skb, sizeof(*evt));
435 	evt->ncmd = 1;
436 	evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);
437 
438 	skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
439 
440 	hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
441 
442 	return hci_recv_frame(hdev, skb);
443 }
444 
445 static int qca_download_firmware(struct hci_dev *hdev,
446 				 struct qca_fw_config *config,
447 				 enum qca_btsoc_type soc_type,
448 				 u8 rom_ver)
449 {
450 	const struct firmware *fw;
451 	u8 *data;
452 	const u8 *segment;
453 	int ret, size, remain, i = 0;
454 
455 	bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
456 
457 	ret = request_firmware(&fw, config->fwname, &hdev->dev);
458 	if (ret) {
459 		/* For WCN6750, if mbn file is not present then check for
460 		 * tlv file.
461 		 */
462 		if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) {
463 			bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",
464 				   config->fwname, ret);
465 			config->type = TLV_TYPE_PATCH;
466 			snprintf(config->fwname, sizeof(config->fwname),
467 				 "qca/msbtfw%02x.tlv", rom_ver);
468 			bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
469 			ret = request_firmware(&fw, config->fwname, &hdev->dev);
470 			if (ret) {
471 				bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
472 					   config->fwname, ret);
473 				return ret;
474 			}
475 		} else {
476 			bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
477 				   config->fwname, ret);
478 			return ret;
479 		}
480 	}
481 
482 	size = fw->size;
483 	data = vmalloc(fw->size);
484 	if (!data) {
485 		bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",
486 			   config->fwname);
487 		release_firmware(fw);
488 		return -ENOMEM;
489 	}
490 
491 	memcpy(data, fw->data, size);
492 	release_firmware(fw);
493 
494 	qca_tlv_check_data(hdev, config, data, soc_type);
495 
496 	segment = data;
497 	remain = size;
498 	while (remain > 0) {
499 		int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
500 
501 		bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);
502 
503 		remain -= segsize;
504 		/* The last segment is always acked regardless download mode */
505 		if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
506 			config->dnld_mode = QCA_SKIP_EVT_NONE;
507 
508 		ret = qca_tlv_send_segment(hdev, segsize, segment,
509 					   config->dnld_mode, soc_type);
510 		if (ret)
511 			goto out;
512 
513 		segment += segsize;
514 	}
515 
516 	/* Latest qualcomm chipsets are not sending a command complete event
517 	 * for every fw packet sent. They only respond with a vendor specific
518 	 * event for the last packet. This optimization in the chip will
519 	 * decrease the BT in initialization time. Here we will inject a command
520 	 * complete event to avoid a command timeout error message.
521 	 */
522 	if (config->dnld_type == QCA_SKIP_EVT_VSE_CC ||
523 	    config->dnld_type == QCA_SKIP_EVT_VSE)
524 		ret = qca_inject_cmd_complete_event(hdev);
525 
526 out:
527 	vfree(data);
528 
529 	return ret;
530 }
531 
532 static int qca_disable_soc_logging(struct hci_dev *hdev)
533 {
534 	struct sk_buff *skb;
535 	u8 cmd[2];
536 	int err;
537 
538 	cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;
539 	cmd[1] = 0x00;
540 	skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,
541 				HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
542 	if (IS_ERR(skb)) {
543 		err = PTR_ERR(skb);
544 		bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);
545 		return err;
546 	}
547 
548 	kfree_skb(skb);
549 
550 	return 0;
551 }
552 
553 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
554 {
555 	struct sk_buff *skb;
556 	u8 cmd[9];
557 	int err;
558 
559 	cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
560 	cmd[1] = 0x02; 			/* TAG ID */
561 	cmd[2] = sizeof(bdaddr_t);	/* size */
562 	memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
563 	skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
564 				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
565 	if (IS_ERR(skb)) {
566 		err = PTR_ERR(skb);
567 		bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
568 		return err;
569 	}
570 
571 	kfree_skb(skb);
572 
573 	return 0;
574 }
575 EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
576 
577 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
578 		   enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
579 		   const char *firmware_name)
580 {
581 	struct qca_fw_config config;
582 	int err;
583 	u8 rom_ver = 0;
584 	u32 soc_ver;
585 
586 	bt_dev_dbg(hdev, "QCA setup on UART");
587 
588 	soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);
589 
590 	bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
591 
592 	config.user_baud_rate = baudrate;
593 
594 	/* Firmware files to download are based on ROM version.
595 	 * ROM version is derived from last two bytes of soc_ver.
596 	 */
597 	rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);
598 
599 	if (soc_type == QCA_WCN6750)
600 		qca_send_patch_config_cmd(hdev);
601 
602 	/* Download rampatch file */
603 	config.type = TLV_TYPE_PATCH;
604 	if (qca_is_wcn399x(soc_type)) {
605 		snprintf(config.fwname, sizeof(config.fwname),
606 			 "qca/crbtfw%02x.tlv", rom_ver);
607 	} else if (soc_type == QCA_QCA6390) {
608 		snprintf(config.fwname, sizeof(config.fwname),
609 			 "qca/htbtfw%02x.tlv", rom_ver);
610 	} else if (soc_type == QCA_WCN6750) {
611 		/* Choose mbn file by default.If mbn file is not found
612 		 * then choose tlv file
613 		 */
614 		config.type = ELF_TYPE_PATCH;
615 		snprintf(config.fwname, sizeof(config.fwname),
616 			 "qca/msbtfw%02x.mbn", rom_ver);
617 	} else if (soc_type == QCA_WCN6855) {
618 		snprintf(config.fwname, sizeof(config.fwname),
619 			 "qca/hpbtfw%02x.tlv", rom_ver);
620 	} else {
621 		snprintf(config.fwname, sizeof(config.fwname),
622 			 "qca/rampatch_%08x.bin", soc_ver);
623 	}
624 
625 	err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
626 	if (err < 0) {
627 		bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
628 		return err;
629 	}
630 
631 	/* Give the controller some time to get ready to receive the NVM */
632 	msleep(10);
633 
634 	/* Download NVM configuration */
635 	config.type = TLV_TYPE_NVM;
636 	if (firmware_name)
637 		snprintf(config.fwname, sizeof(config.fwname),
638 			 "qca/%s", firmware_name);
639 	else if (qca_is_wcn399x(soc_type)) {
640 		if (ver.soc_id == QCA_WCN3991_SOC_ID) {
641 			snprintf(config.fwname, sizeof(config.fwname),
642 				 "qca/crnv%02xu.bin", rom_ver);
643 		} else {
644 			snprintf(config.fwname, sizeof(config.fwname),
645 				 "qca/crnv%02x.bin", rom_ver);
646 		}
647 	}
648 	else if (soc_type == QCA_QCA6390)
649 		snprintf(config.fwname, sizeof(config.fwname),
650 			 "qca/htnv%02x.bin", rom_ver);
651 	else if (soc_type == QCA_WCN6750)
652 		snprintf(config.fwname, sizeof(config.fwname),
653 			 "qca/msnv%02x.bin", rom_ver);
654 	else if (soc_type == QCA_WCN6855)
655 		snprintf(config.fwname, sizeof(config.fwname),
656 			 "qca/hpnv%02x.bin", rom_ver);
657 	else
658 		snprintf(config.fwname, sizeof(config.fwname),
659 			 "qca/nvm_%08x.bin", soc_ver);
660 
661 	err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
662 	if (err < 0) {
663 		bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
664 		return err;
665 	}
666 
667 	if (soc_type >= QCA_WCN3991) {
668 		err = qca_disable_soc_logging(hdev);
669 		if (err < 0)
670 			return err;
671 	}
672 
673 	/* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
674 	 * VsMsftOpCode.
675 	 */
676 	switch (soc_type) {
677 	case QCA_WCN3990:
678 	case QCA_WCN3991:
679 	case QCA_WCN3998:
680 	case QCA_WCN6750:
681 		hci_set_msft_opcode(hdev, 0xFD70);
682 		break;
683 	default:
684 		break;
685 	}
686 
687 	/* Perform HCI reset */
688 	err = qca_send_reset(hdev);
689 	if (err < 0) {
690 		bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
691 		return err;
692 	}
693 
694 	switch (soc_type) {
695 	case QCA_WCN3991:
696 	case QCA_WCN6750:
697 	case QCA_WCN6855:
698 		/* get fw build info */
699 		err = qca_read_fw_build_info(hdev);
700 		if (err < 0)
701 			return err;
702 		break;
703 	default:
704 		break;
705 	}
706 
707 	bt_dev_info(hdev, "QCA setup on UART is completed");
708 
709 	return 0;
710 }
711 EXPORT_SYMBOL_GPL(qca_uart_setup);
712 
713 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
714 {
715 	struct sk_buff *skb;
716 	int err;
717 
718 	skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
719 				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
720 	if (IS_ERR(skb)) {
721 		err = PTR_ERR(skb);
722 		bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
723 		return err;
724 	}
725 
726 	kfree_skb(skb);
727 
728 	return 0;
729 }
730 EXPORT_SYMBOL_GPL(qca_set_bdaddr);
731 
732 
733 MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
734 MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
735 MODULE_VERSION(VERSION);
736 MODULE_LICENSE("GPL");
737