[mirror_ubuntu-jammy-kernel.git] / drivers / bluetooth / btqca.c

// 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 <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_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);

	/* 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 {
		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 (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
		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;
	}

	if (soc_type == QCA_WCN3991 || soc_type == QCA_WCN6750) {
		/* get fw build info */
		err = qca_read_fw_build_info(hdev);
		if (err < 0)
			return err;
	}

	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");
Commit	Line	Data
45051539	1	// SPDX-License-Identifier: GPL-2.0-only
83e81961 BYTK	2	/*
	3	* Bluetooth supports for Qualcomm Atheros chips
	4	*
	5	* Copyright (c) 2015 The Linux Foundation. All rights reserved.
83e81961 BYTK	6	*/
	7	#include <linux/module.h>
	8	#include <linux/firmware.h>
	9
	10	#include <net/bluetooth/bluetooth.h>
	11	#include <net/bluetooth/hci_core.h>
	12
	13	#include "btqca.h"
	14
	15	#define VERSION "0.1"
	16
059924fd	17	int qca_read_soc_version(struct hci_dev hdev, struct qca_btsoc_version ver,
7d250a06	18	enum qca_btsoc_type soc_type)
83e81961 BYTK	19	{
	20	struct sk_buff *skb;
	21	struct edl_event_hdr *edl;
83e81961 BYTK	22	char cmd;
83e81961 BYTK	23	int err = 0;
7d250a06 BG	24	u8 event_type = HCI_EV_VENDOR;
	25	u8 rlen = sizeof(edl) + sizeof(ver);
	26	u8 rtype = EDL_APP_VER_RES_EVT;
83e81961	27
ba493d4f	28	bt_dev_dbg(hdev, "QCA Version Request");
83e81961	29
7d250a06 BG	30	/* Unlike other SoC's sending version command response as payload to
	31	* VSE event. WCN3991 sends version command response as a payload to
	32	* command complete event.
	33	*/
e5d6468f	34	if (soc_type >= QCA_WCN3991) {
7d250a06 BG	35	event_type = 0;
	36	rlen += 1;
	37	rtype = EDL_PATCH_VER_REQ_CMD;
	38	}
	39
83e81961 BYTK	40	cmd = EDL_PATCH_VER_REQ_CMD;
83e81961 BYTK	41	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
7d250a06	42	&cmd, event_type, HCI_INIT_TIMEOUT);
83e81961 BYTK	43	if (IS_ERR(skb)) {
83e81961 BYTK	44	err = PTR_ERR(skb);
ba493d4f BG	45	bt_dev_err(hdev, "Reading QCA version information failed (%d)",
ba493d4f BG	46	err);
83e81961 BYTK	47	return err;
	48	}
	49
7d250a06	50	if (skb->len != rlen) {
ba493d4f	51	bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
83e81961 BYTK	52	err = -EILSEQ;
	53	goto out;
	54	}
	55
	56	edl = (struct edl_event_hdr *)(skb->data);
0676cab4	57	if (!edl) {
ba493d4f	58	bt_dev_err(hdev, "QCA TLV with no header");
83e81961 BYTK	59	err = -EILSEQ;
	60	goto out;
	61	}
	62
	63	if (edl->cresp != EDL_CMD_REQ_RES_EVT \|\|
7d250a06	64	edl->rtype != rtype) {
ba493d4f BG	65	bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
ba493d4f BG	66	edl->rtype);
83e81961 BYTK	67	err = -EIO;
	68	goto out;
	69	}
	70
e5d6468f	71	if (soc_type >= QCA_WCN3991)
059924fd VLNG	72	memcpy(ver, edl->data + 1, sizeof(*ver));
	73	else
	74	memcpy(ver, &edl->data, sizeof(*ver));
83e81961	75
4942857b ZH	76	bt_dev_info(hdev, "QCA Product ID :0x%08x",
	77	le32_to_cpu(ver->product_id));
	78	bt_dev_info(hdev, "QCA SOC Version :0x%08x",
	79	le32_to_cpu(ver->soc_id));
	80	bt_dev_info(hdev, "QCA ROM Version :0x%08x",
	81	le16_to_cpu(ver->rom_ver));
	82	bt_dev_info(hdev, "QCA Patch Version:0x%08x",
	83	le16_to_cpu(ver->patch_ver));
83e81961	84
059924fd	85	if (ver->soc_id == 0 \|\| ver->rom_ver == 0)
aadebac4	86	err = -EILSEQ;
83e81961 BYTK	87
	88	out:
	89	kfree_skb(skb);
aadebac4 BG	90	if (err)
aadebac4 BG	91	bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
83e81961 BYTK	92
	93	return err;
	94	}
ba493d4f	95	EXPORT_SYMBOL_GPL(qca_read_soc_version);
83e81961	96
c0187b0b VLNG	97	static int qca_read_fw_build_info(struct hci_dev *hdev)
	98	{
	99	struct sk_buff *skb;
	100	struct edl_event_hdr *edl;
	101	char cmd, build_label[QCA_FW_BUILD_VER_LEN];
	102	int build_lbl_len, err = 0;
	103
	104	bt_dev_dbg(hdev, "QCA read fw build info");
	105
	106	cmd = EDL_GET_BUILD_INFO_CMD;
	107	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
	108	&cmd, 0, HCI_INIT_TIMEOUT);
	109	if (IS_ERR(skb)) {
	110	err = PTR_ERR(skb);
	111	bt_dev_err(hdev, "Reading QCA fw build info failed (%d)",
	112	err);
	113	return err;
	114	}
	115
	116	edl = (struct edl_event_hdr *)(skb->data);
	117	if (!edl) {
	118	bt_dev_err(hdev, "QCA read fw build info with no header");
	119	err = -EILSEQ;
	120	goto out;
	121	}
	122
	123	if (edl->cresp != EDL_CMD_REQ_RES_EVT \|\|
	124	edl->rtype != EDL_GET_BUILD_INFO_CMD) {
	125	bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
	126	edl->rtype);
	127	err = -EIO;
	128	goto out;
	129	}
	130
	131	build_lbl_len = edl->data[0];
	132	if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) {
	133	memcpy(build_label, edl->data + 1, build_lbl_len);
	134	*(build_label + build_lbl_len) = '\0';
	135	}
	136
	137	hci_set_fw_info(hdev, "%s", build_label);
	138
	139	out:
	140	kfree_skb(skb);
	141	return err;
	142	}
	143
ba493d4f	144	static int qca_send_reset(struct hci_dev *hdev)
83e81961 BYTK	145	{
	146	struct sk_buff *skb;
	147	int err;
	148
ba493d4f	149	bt_dev_dbg(hdev, "QCA HCI_RESET");
83e81961 BYTK	150
	151	skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
	152	if (IS_ERR(skb)) {
	153	err = PTR_ERR(skb);
ba493d4f	154	bt_dev_err(hdev, "QCA Reset failed (%d)", err);
83e81961 BYTK	155	return err;
	156	}
	157
	158	kfree_skb(skb);
	159
	160	return 0;
	161	}
	162
a2780889 HB	163	int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
	164	{
	165	struct sk_buff *skb;
	166	int err;
	167
	168	bt_dev_dbg(hdev, "QCA pre shutdown cmd");
	169
010376ab HB	170	skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,
	171	NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
	172
a2780889 HB	173	if (IS_ERR(skb)) {
	174	err = PTR_ERR(skb);
	175	bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);
	176	return err;
	177	}
	178
	179	kfree_skb(skb);
	180
	181	return 0;
	182	}
	183	EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
	184
ecf6b2d9 VLNG	185	static void qca_tlv_check_data(struct hci_dev *hdev,
ecf6b2d9 VLNG	186	struct qca_fw_config *config,
b43ca511	187	u8 *fw_data, enum qca_btsoc_type soc_type)
83e81961 BYTK	188	{
	189	const u8 *data;
	190	u32 type_len;
	191	u16 tag_id, tag_len;
	192	int idx, length;
	193	struct tlv_type_hdr *tlv;
	194	struct tlv_type_patch *tlv_patch;
	195	struct tlv_type_nvm *tlv_nvm;
b6388254	196	uint8_t nvm_baud_rate = config->user_baud_rate;
83e81961	197
e303d124 BG	198	config->dnld_mode = QCA_SKIP_EVT_NONE;
e303d124 BG	199	config->dnld_type = QCA_SKIP_EVT_NONE;
6e03126a	200
83e81961	201	switch (config->type) {
ecf6b2d9 VLNG	202	case ELF_TYPE_PATCH:
	203	config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
	204	config->dnld_type = QCA_SKIP_EVT_VSE_CC;
	205
	206	bt_dev_dbg(hdev, "File Class : 0x%x", fw_data[4]);
	207	bt_dev_dbg(hdev, "Data Encoding : 0x%x", fw_data[5]);
	208	bt_dev_dbg(hdev, "File version : 0x%x", fw_data[6]);
	209	break;
83e81961	210	case TLV_TYPE_PATCH:
ecf6b2d9 VLNG	211	tlv = (struct tlv_type_hdr *)fw_data;
ecf6b2d9 VLNG	212	type_len = le32_to_cpu(tlv->type_len);
83e81961	213	tlv_patch = (struct tlv_type_patch *)tlv->data;
6e03126a LP	214
	215	/* For Rome version 1.1 to 3.1, all segment commands
	216	* are acked by a vendor specific event (VSE).
	217	* For Rome >= 3.2, the download mode field indicates
	218	* if VSE is skipped by the controller.
	219	* In case VSE is skipped, only the last segment is acked.
	220	*/
	221	config->dnld_mode = tlv_patch->download_mode;
32646db8	222	config->dnld_type = config->dnld_mode;
6e03126a	223
ecf6b2d9	224	BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
6e03126a	225	BT_DBG("Total Length : %d bytes",
83e81961	226	le32_to_cpu(tlv_patch->total_size));
6e03126a	227	BT_DBG("Patch Data Length : %d bytes",
83e81961 BYTK	228	le32_to_cpu(tlv_patch->data_length));
	229	BT_DBG("Signing Format Version : 0x%x",
	230	tlv_patch->format_version);
6e03126a	231	BT_DBG("Signature Algorithm : 0x%x",
83e81961	232	tlv_patch->signature);
6e03126a LP	233	BT_DBG("Download mode : 0x%x",
	234	tlv_patch->download_mode);
	235	BT_DBG("Reserved : 0x%x",
	236	tlv_patch->reserved1);
	237	BT_DBG("Product ID : 0x%04x",
83e81961	238	le16_to_cpu(tlv_patch->product_id));
6e03126a	239	BT_DBG("Rom Build Version : 0x%04x",
83e81961	240	le16_to_cpu(tlv_patch->rom_build));
6e03126a	241	BT_DBG("Patch Version : 0x%04x",
83e81961	242	le16_to_cpu(tlv_patch->patch_version));
6e03126a	243	BT_DBG("Reserved : 0x%x",
83e81961	244	le16_to_cpu(tlv_patch->reserved2));
6e03126a	245	BT_DBG("Patch Entry Address : 0x%x",
83e81961 BYTK	246	le32_to_cpu(tlv_patch->entry));
	247	break;
	248
	249	case TLV_TYPE_NVM:
ecf6b2d9 VLNG	250	tlv = (struct tlv_type_hdr *)fw_data;
	251
	252	type_len = le32_to_cpu(tlv->type_len);
	253	length = (type_len >> 8) & 0x00ffffff;
	254
	255	BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
	256	BT_DBG("Length\t\t : %d bytes", length);
	257
83e81961 BYTK	258	idx = 0;
	259	data = tlv->data;
	260	while (idx < length) {
	261	tlv_nvm = (struct tlv_type_nvm *)(data + idx);
	262
	263	tag_id = le16_to_cpu(tlv_nvm->tag_id);
	264	tag_len = le16_to_cpu(tlv_nvm->tag_len);
	265
	266	/* Update NVM tags as needed */
	267	switch (tag_id) {
	268	case EDL_TAG_ID_HCI:
	269	/* HCI transport layer parameters
	270	* enabling software inband sleep
	271	* onto controller side.
	272	*/
	273	tlv_nvm->data[0] \|= 0x80;
	274
	275	/* UART Baud Rate */
e5d6468f	276	if (soc_type >= QCA_WCN3991)
b6388254 RL	277	tlv_nvm->data[1] = nvm_baud_rate;
	278	else
	279	tlv_nvm->data[2] = nvm_baud_rate;
83e81961 BYTK	280
	281	break;
	282
	283	case EDL_TAG_ID_DEEP_SLEEP:
	284	/* Sleep enable mask
	285	* enabling deep sleep feature on controller.
	286	*/
	287	tlv_nvm->data[0] \|= 0x01;
	288
	289	break;
	290	}
	291
	292	idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
	293	}
	294	break;
	295
	296	default:
	297	BT_ERR("Unknown TLV type %d", config->type);
	298	break;
	299	}
	300	}
	301
ba493d4f	302	static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
7d250a06 BG	303	const u8 *data, enum qca_tlv_dnld_mode mode,
7d250a06 BG	304	enum qca_btsoc_type soc_type)
83e81961 BYTK	305	{
	306	struct sk_buff *skb;
	307	struct edl_event_hdr *edl;
	308	struct tlv_seg_resp *tlv_resp;
	309	u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
	310	int err = 0;
7d250a06 BG	311	u8 event_type = HCI_EV_VENDOR;
	312	u8 rlen = (sizeof(edl) + sizeof(tlv_resp));
	313	u8 rtype = EDL_TVL_DNLD_RES_EVT;
83e81961	314
83e81961 BYTK	315	cmd[0] = EDL_PATCH_TLV_REQ_CMD;
	316	cmd[1] = seg_size;
	317	memcpy(cmd + 2, data, seg_size);
	318
e303d124	319	if (mode == QCA_SKIP_EVT_VSE_CC \|\| mode == QCA_SKIP_EVT_VSE)
6e03126a LP	320	return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
	321	cmd);
	322
7d250a06 BG	323	/* Unlike other SoC's sending version command response as payload to
	324	* VSE event. WCN3991 sends version command response as a payload to
	325	* command complete event.
	326	*/
e5d6468f	327	if (soc_type >= QCA_WCN3991) {
7d250a06 BG	328	event_type = 0;
	329	rlen = sizeof(*edl);
	330	rtype = EDL_PATCH_TLV_REQ_CMD;
	331	}
	332
83e81961	333	skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
7d250a06	334	event_type, HCI_INIT_TIMEOUT);
83e81961 BYTK	335	if (IS_ERR(skb)) {
83e81961 BYTK	336	err = PTR_ERR(skb);
ba493d4f	337	bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
83e81961 BYTK	338	return err;
	339	}
	340
7d250a06	341	if (skb->len != rlen) {
ba493d4f	342	bt_dev_err(hdev, "QCA TLV response size mismatch");
83e81961 BYTK	343	err = -EILSEQ;
	344	goto out;
	345	}
	346
	347	edl = (struct edl_event_hdr *)(skb->data);
0676cab4	348	if (!edl) {
ba493d4f	349	bt_dev_err(hdev, "TLV with no header");
83e81961 BYTK	350	err = -EILSEQ;
	351	goto out;
	352	}
	353
7d250a06 BG	354	if (edl->cresp != EDL_CMD_REQ_RES_EVT \|\| edl->rtype != rtype) {
	355	bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",
	356	edl->cresp, edl->rtype);
	357	err = -EIO;
	358	}
83e81961	359
e5d6468f	360	if (soc_type >= QCA_WCN3991)
7d250a06 BG	361	goto out;
	362
	363	tlv_resp = (struct tlv_seg_resp *)(edl->data);
	364	if (tlv_resp->result) {
ba493d4f BG	365	bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
ba493d4f BG	366	edl->cresp, edl->rtype, tlv_resp->result);
83e81961 BYTK	367	}
	368
	369	out:
	370	kfree_skb(skb);
	371
	372	return err;
	373	}
	374
32646db8 BG	375	static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
	376	{
	377	struct hci_event_hdr *hdr;
	378	struct hci_ev_cmd_complete *evt;
	379	struct sk_buff *skb;
	380
	381	skb = bt_skb_alloc(sizeof(hdr) + sizeof(evt) + 1, GFP_KERNEL);
	382	if (!skb)
	383	return -ENOMEM;
	384
	385	hdr = skb_put(skb, sizeof(*hdr));
	386	hdr->evt = HCI_EV_CMD_COMPLETE;
	387	hdr->plen = sizeof(*evt) + 1;
	388
	389	evt = skb_put(skb, sizeof(*evt));
	390	evt->ncmd = 1;
2fde6afb	391	evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);
32646db8 BG	392
	393	skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
	394
	395	hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
	396
	397	return hci_recv_frame(hdev, skb);
	398	}
	399
ba493d4f	400	static int qca_download_firmware(struct hci_dev *hdev,
7d250a06	401	struct qca_fw_config *config,
ecf6b2d9 VLNG	402	enum qca_btsoc_type soc_type,
ecf6b2d9 VLNG	403	u8 rom_ver)
83e81961 BYTK	404	{
83e81961 BYTK	405	const struct firmware *fw;
b43ca511	406	u8 *data;
6e03126a	407	const u8 *segment;
b43ca511	408	int ret, size, remain, i = 0;
83e81961	409
ba493d4f	410	bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
83e81961 BYTK	411
	412	ret = request_firmware(&fw, config->fwname, &hdev->dev);
	413	if (ret) {
ecf6b2d9 VLNG	414	/* For WCN6750, if mbn file is not present then check for
	415	* tlv file.
	416	*/
	417	if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) {
	418	bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",
	419	config->fwname, ret);
	420	config->type = TLV_TYPE_PATCH;
	421	snprintf(config->fwname, sizeof(config->fwname),
	422	"qca/msbtfw%02x.tlv", rom_ver);
	423	bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
	424	ret = request_firmware(&fw, config->fwname, &hdev->dev);
	425	if (ret) {
	426	bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
	427	config->fwname, ret);
	428	return ret;
	429	}
	430	} else {
	431	bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
	432	config->fwname, ret);
	433	return ret;
	434	}
83e81961 BYTK	435	}
83e81961 BYTK	436
b43ca511 CA	437	size = fw->size;
	438	data = vmalloc(fw->size);
	439	if (!data) {
	440	bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",
	441	config->fwname);
	442	release_firmware(fw);
	443	return -ENOMEM;
	444	}
	445
	446	memcpy(data, fw->data, size);
	447	release_firmware(fw);
	448
ecf6b2d9	449	qca_tlv_check_data(hdev, config, data, soc_type);
83e81961	450
b43ca511 CA	451	segment = data;
b43ca511 CA	452	remain = size;
6e03126a LP	453	while (remain > 0) {
	454	int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
	455
	456	bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);
	457
	458	remain -= segsize;
	459	/* The last segment is always acked regardless download mode */
	460	if (!remain \|\| segsize < MAX_SIZE_PER_TLV_SEGMENT)
e303d124	461	config->dnld_mode = QCA_SKIP_EVT_NONE;
6e03126a	462
ba493d4f	463	ret = qca_tlv_send_segment(hdev, segsize, segment,
7d250a06	464	config->dnld_mode, soc_type);
6e03126a	465	if (ret)
32646db8	466	goto out;
6e03126a LP	467
6e03126a LP	468	segment += segsize;
83e81961 BYTK	469	}
83e81961 BYTK	470
32646db8 BG	471	/* Latest qualcomm chipsets are not sending a command complete event
	472	* for every fw packet sent. They only respond with a vendor specific
	473	* event for the last packet. This optimization in the chip will
	474	* decrease the BT in initialization time. Here we will inject a command
	475	* complete event to avoid a command timeout error message.
	476	*/
e303d124 BG	477	if (config->dnld_type == QCA_SKIP_EVT_VSE_CC \|\|
e303d124 BG	478	config->dnld_type == QCA_SKIP_EVT_VSE)
c7c5ae29	479	ret = qca_inject_cmd_complete_event(hdev);
32646db8 BG	480
32646db8 BG	481	out:
b43ca511	482	vfree(data);
83e81961 BYTK	483
	484	return ret;
	485	}
	486
590deccf BG	487	static int qca_disable_soc_logging(struct hci_dev *hdev)
	488	{
	489	struct sk_buff *skb;
	490	u8 cmd[2];
	491	int err;
	492
	493	cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;
	494	cmd[1] = 0x00;
	495	skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,
	496	HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
	497	if (IS_ERR(skb)) {
	498	err = PTR_ERR(skb);
	499	bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);
	500	return err;
	501	}
	502
	503	kfree_skb(skb);
	504
	505	return 0;
	506	}
	507
83e81961 BYTK	508	int qca_set_bdaddr_rome(struct hci_dev hdev, const bdaddr_t bdaddr)
	509	{
	510	struct sk_buff *skb;
	511	u8 cmd[9];
	512	int err;
	513
	514	cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
	515	cmd[1] = 0x02; /* TAG ID */
	516	cmd[2] = sizeof(bdaddr_t); /* size */
	517	memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
	518	skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
e4cc5a18	519	HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
83e81961 BYTK	520	if (IS_ERR(skb)) {
83e81961 BYTK	521	err = PTR_ERR(skb);
ba493d4f	522	bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
83e81961 BYTK	523	return err;
	524	}
	525
	526	kfree_skb(skb);
	527
	528	return 0;
	529	}
	530	EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
	531
aadebac4	532	int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
059924fd	533	enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
99c905c6	534	const char *firmware_name)
83e81961	535	{
e303d124	536	struct qca_fw_config config;
83e81961	537	int err;
523760b7	538	u8 rom_ver = 0;
059924fd	539	u32 soc_ver;
83e81961	540
ba493d4f	541	bt_dev_dbg(hdev, "QCA setup on UART");
83e81961	542
059924fd VLNG	543	soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);
	544
	545	bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
	546
83e81961 BYTK	547	config.user_baud_rate = baudrate;
83e81961 BYTK	548
99fba8e3 VLNG	549	/* Firmware files to download are based on ROM version.
	550	* ROM version is derived from last two bytes of soc_ver.
	551	*/
	552	rom_ver = ((soc_ver & 0x00000f00) >> 0x04) \| (soc_ver & 0x0000000f);
	553
83e81961 BYTK	554	/* Download rampatch file */
83e81961 BYTK	555	config.type = TLV_TYPE_PATCH;
523760b7	556	if (qca_is_wcn399x(soc_type)) {
4219d468 BG	557	snprintf(config.fwname, sizeof(config.fwname),
4219d468 BG	558	"qca/crbtfw%02x.tlv", rom_ver);
e5d6468f	559	} else if (soc_type == QCA_QCA6390) {
e5d6468f RL	560	snprintf(config.fwname, sizeof(config.fwname),
e5d6468f RL	561	"qca/htbtfw%02x.tlv", rom_ver);
d8f97da1	562	} else if (soc_type == QCA_WCN6750) {
ecf6b2d9 VLNG	563	/* Choose mbn file by default.If mbn file is not found
	564	* then choose tlv file
	565	*/
	566	config.type = ELF_TYPE_PATCH;
d8f97da1	567	snprintf(config.fwname, sizeof(config.fwname),
ecf6b2d9	568	"qca/msbtfw%02x.mbn", rom_ver);
4219d468 BG	569	} else {
	570	snprintf(config.fwname, sizeof(config.fwname),
	571	"qca/rampatch_%08x.bin", soc_ver);
	572	}
	573
ecf6b2d9	574	err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
83e81961	575	if (err < 0) {
ba493d4f	576	bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
83e81961 BYTK	577	return err;
	578	}
	579
8059ba0b MK	580	/* Give the controller some time to get ready to receive the NVM */
	581	msleep(10);
	582
83e81961 BYTK	583	/* Download NVM configuration */
83e81961 BYTK	584	config.type = TLV_TYPE_NVM;
99c905c6 RL	585	if (firmware_name)
	586	snprintf(config.fwname, sizeof(config.fwname),
	587	"qca/%s", firmware_name);
059924fd VLNG	588	else if (qca_is_wcn399x(soc_type)) {
	589	if (ver.soc_id == QCA_WCN3991_SOC_ID) {
	590	snprintf(config.fwname, sizeof(config.fwname),
	591	"qca/crnv%02xu.bin", rom_ver);
	592	} else {
	593	snprintf(config.fwname, sizeof(config.fwname),
	594	"qca/crnv%02x.bin", rom_ver);
	595	}
	596	}
e5d6468f RL	597	else if (soc_type == QCA_QCA6390)
	598	snprintf(config.fwname, sizeof(config.fwname),
	599	"qca/htnv%02x.bin", rom_ver);
d8f97da1 VLNG	600	else if (soc_type == QCA_WCN6750)
	601	snprintf(config.fwname, sizeof(config.fwname),
	602	"qca/msnv%02x.bin", rom_ver);
4219d468 BG	603	else
	604	snprintf(config.fwname, sizeof(config.fwname),
	605	"qca/nvm_%08x.bin", soc_ver);
	606
ecf6b2d9	607	err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
83e81961	608	if (err < 0) {
ba493d4f	609	bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
83e81961 BYTK	610	return err;
	611	}
	612
590deccf BG	613	if (soc_type >= QCA_WCN3991) {
	614	err = qca_disable_soc_logging(hdev);
	615	if (err < 0)
	616	return err;
	617	}
	618
d8f97da1	619	/* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
eaf19b0c MC	620	* VsMsftOpCode.
	621	*/
	622	switch (soc_type) {
	623	case QCA_WCN3990:
	624	case QCA_WCN3991:
	625	case QCA_WCN3998:
d8f97da1	626	case QCA_WCN6750:
eaf19b0c MC	627	hci_set_msft_opcode(hdev, 0xFD70);
	628	break;
	629	default:
	630	break;
	631	}
	632
83e81961	633	/* Perform HCI reset */
ba493d4f	634	err = qca_send_reset(hdev);
83e81961	635	if (err < 0) {
ba493d4f	636	bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
83e81961 BYTK	637	return err;
	638	}
	639
d8f97da1	640	if (soc_type == QCA_WCN3991 \|\| soc_type == QCA_WCN6750) {
c0187b0b VLNG	641	/* get fw build info */
	642	err = qca_read_fw_build_info(hdev);
	643	if (err < 0)
	644	return err;
	645	}
	646
ba493d4f	647	bt_dev_info(hdev, "QCA setup on UART is completed");
83e81961 BYTK	648
	649	return 0;
	650	}
ba493d4f	651	EXPORT_SYMBOL_GPL(qca_uart_setup);
83e81961	652
5c0a1001 BG	653	int qca_set_bdaddr(struct hci_dev hdev, const bdaddr_t bdaddr)
	654	{
	655	struct sk_buff *skb;
	656	int err;
	657
	658	skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
	659	HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
	660	if (IS_ERR(skb)) {
	661	err = PTR_ERR(skb);
	662	bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
	663	return err;
	664	}
	665
	666	kfree_skb(skb);
	667
	668	return 0;
	669	}
	670	EXPORT_SYMBOL_GPL(qca_set_bdaddr);
	671
523760b7	672
83e81961 BYTK	673	MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
	674	MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
	675	MODULE_VERSION(VERSION);
	676	MODULE_LICENSE("GPL");