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
18int 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
89out:
90	kfree_skb(skb);
91	if (err)
92		bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
93
94	return err;
95}
96EXPORT_SYMBOL_GPL(qca_read_soc_version);
97
98static 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
140out:
141	kfree_skb(skb);
142	return err;
143}
144
145static 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, 0, 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
184out:
185	kfree_skb(skb);
186	return err;
187}
188
189static 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
208int 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}
228EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
229
230static 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
347static 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
414out:
415	kfree_skb(skb);
416
417	return err;
418}
419
420static 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
445static 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
526out:
527	vfree(data);
528
529	return ret;
530}
531
532static 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
553int 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}
575EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
576
577int 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	if (soc_type == QCA_WCN3988)
598		rom_ver = ((soc_ver & 0x00000f00) >> 0x05) | (soc_ver & 0x0000000f);
599	else
600		rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);
601
602	if (soc_type == QCA_WCN6750)
603		qca_send_patch_config_cmd(hdev);
604
605	/* Download rampatch file */
606	config.type = TLV_TYPE_PATCH;
607	switch (soc_type) {
608	case QCA_WCN3990:
609	case QCA_WCN3991:
610	case QCA_WCN3998:
611		snprintf(config.fwname, sizeof(config.fwname),
612			 "qca/crbtfw%02x.tlv", rom_ver);
613		break;
614	case QCA_WCN3988:
615		snprintf(config.fwname, sizeof(config.fwname),
616			 "qca/apbtfw%02x.tlv", rom_ver);
617		break;
618	case QCA_QCA6390:
619		snprintf(config.fwname, sizeof(config.fwname),
620			 "qca/htbtfw%02x.tlv", rom_ver);
621		break;
622	case QCA_WCN6750:
623		/* Choose mbn file by default.If mbn file is not found
624		 * then choose tlv file
625		 */
626		config.type = ELF_TYPE_PATCH;
627		snprintf(config.fwname, sizeof(config.fwname),
628			 "qca/msbtfw%02x.mbn", rom_ver);
629		break;
630	case QCA_WCN6855:
631		snprintf(config.fwname, sizeof(config.fwname),
632			 "qca/hpbtfw%02x.tlv", rom_ver);
633		break;
634	case QCA_WCN7850:
635		snprintf(config.fwname, sizeof(config.fwname),
636			 "qca/hmtbtfw%02x.tlv", rom_ver);
637		break;
638	default:
639		snprintf(config.fwname, sizeof(config.fwname),
640			 "qca/rampatch_%08x.bin", soc_ver);
641	}
642
643	err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
644	if (err < 0) {
645		bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
646		return err;
647	}
648
649	/* Give the controller some time to get ready to receive the NVM */
650	msleep(10);
651
652	/* Download NVM configuration */
653	config.type = TLV_TYPE_NVM;
654	if (firmware_name) {
655		snprintf(config.fwname, sizeof(config.fwname),
656			 "qca/%s", firmware_name);
657	} else {
658		switch (soc_type) {
659		case QCA_WCN3990:
660		case QCA_WCN3991:
661		case QCA_WCN3998:
662			if (le32_to_cpu(ver.soc_id) == QCA_WCN3991_SOC_ID) {
663				snprintf(config.fwname, sizeof(config.fwname),
664					 "qca/crnv%02xu.bin", rom_ver);
665			} else {
666				snprintf(config.fwname, sizeof(config.fwname),
667					 "qca/crnv%02x.bin", rom_ver);
668			}
669			break;
670		case QCA_WCN3988:
671			snprintf(config.fwname, sizeof(config.fwname),
672				 "qca/apnv%02x.bin", rom_ver);
673			break;
674		case QCA_QCA6390:
675			snprintf(config.fwname, sizeof(config.fwname),
676				 "qca/htnv%02x.bin", rom_ver);
677			break;
678		case QCA_WCN6750:
679			snprintf(config.fwname, sizeof(config.fwname),
680				 "qca/msnv%02x.bin", rom_ver);
681			break;
682		case QCA_WCN6855:
683			snprintf(config.fwname, sizeof(config.fwname),
684				 "qca/hpnv%02x.bin", rom_ver);
685			break;
686		case QCA_WCN7850:
687			snprintf(config.fwname, sizeof(config.fwname),
688				 "qca/hmtnv%02x.bin", rom_ver);
689			break;
690
691		default:
692			snprintf(config.fwname, sizeof(config.fwname),
693				 "qca/nvm_%08x.bin", soc_ver);
694		}
695	}
696
697	err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
698	if (err < 0) {
699		bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
700		return err;
701	}
702
703	switch (soc_type) {
704	case QCA_WCN3991:
705	case QCA_QCA6390:
706	case QCA_WCN6750:
707	case QCA_WCN6855:
708	case QCA_WCN7850:
709		err = qca_disable_soc_logging(hdev);
710		if (err < 0)
711			return err;
712		break;
713	default:
714		break;
715	}
716
717	/* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
718	 * VsMsftOpCode.
719	 */
720	switch (soc_type) {
721	case QCA_WCN3988:
722	case QCA_WCN3990:
723	case QCA_WCN3991:
724	case QCA_WCN3998:
725	case QCA_WCN6750:
726		hci_set_msft_opcode(hdev, 0xFD70);
727		break;
728	default:
729		break;
730	}
731
732	/* Perform HCI reset */
733	err = qca_send_reset(hdev);
734	if (err < 0) {
735		bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
736		return err;
737	}
738
739	switch (soc_type) {
740	case QCA_WCN3991:
741	case QCA_WCN6750:
742	case QCA_WCN6855:
743	case QCA_WCN7850:
744		/* get fw build info */
745		err = qca_read_fw_build_info(hdev);
746		if (err < 0)
747			return err;
748		break;
749	default:
750		break;
751	}
752
753	bt_dev_info(hdev, "QCA setup on UART is completed");
754
755	return 0;
756}
757EXPORT_SYMBOL_GPL(qca_uart_setup);
758
759int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
760{
761	struct sk_buff *skb;
762	int err;
763
764	skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
765				HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
766	if (IS_ERR(skb)) {
767		err = PTR_ERR(skb);
768		bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
769		return err;
770	}
771
772	kfree_skb(skb);
773
774	return 0;
775}
776EXPORT_SYMBOL_GPL(qca_set_bdaddr);
777
778
779MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
780MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
781MODULE_VERSION(VERSION);
782MODULE_LICENSE("GPL");
783