1 files changed, 322 insertions, 106 deletions

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index e30c979535b1..4b57e15f9c7a 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -25,7 +25,7 @@
 #include <linux/gpio/consumer.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 #include <linux/acpi.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
@@ -117,9 +117,7 @@ enum qca_memdump_states {
 	QCA_MEMDUMP_TIMEOUT,
 };
 
-struct qca_memdump_data {
-	char *memdump_buf_head;
-	char *memdump_buf_tail;
+struct qca_memdump_info {
 	u32 current_seq_no;
 	u32 received_dump;
 	u32 ram_dump_size;
@@ -160,13 +158,15 @@ struct qca_data {
 	struct work_struct ws_tx_vote_off;
 	struct work_struct ctrl_memdump_evt;
 	struct delayed_work ctrl_memdump_timeout;
-	struct qca_memdump_data *qca_memdump;
+	struct qca_memdump_info *qca_memdump;
 	unsigned long flags;
 	struct completion drop_ev_comp;
 	wait_queue_head_t suspend_wait_q;
 	enum qca_memdump_states memdump_state;
 	struct mutex hci_memdump_lock;
 
+	u16 fw_version;
+	u16 controller_id;
 	/* For debugging purpose */
 	u64 ibs_sent_wacks;
 	u64 ibs_sent_slps;
@@ -233,6 +233,7 @@ static void qca_regulator_disable(struct qca_serdev *qcadev);
 static void qca_power_shutdown(struct hci_uart *hu);
 static int qca_power_off(struct hci_dev *hdev);
 static void qca_controller_memdump(struct work_struct *work);
+static void qca_dmp_hdr(struct hci_dev *hdev, struct sk_buff *skb);
 
 static enum qca_btsoc_type qca_soc_type(struct hci_uart *hu)
 {
@@ -606,9 +607,18 @@ static int qca_open(struct hci_uart *hu)
 	if (hu->serdev) {
 		qcadev = serdev_device_get_drvdata(hu->serdev);
 
-		if (qca_is_wcn399x(qcadev->btsoc_type) ||
-		    qca_is_wcn6750(qcadev->btsoc_type))
+		switch (qcadev->btsoc_type) {
+		case QCA_WCN3988:
+		case QCA_WCN3990:
+		case QCA_WCN3991:
+		case QCA_WCN3998:
+		case QCA_WCN6750:
 			hu->init_speed = qcadev->init_speed;
+			break;
+
+		default:
+			break;
+		}
 
 		if (qcadev->oper_speed)
 			hu->oper_speed = qcadev->oper_speed;
@@ -980,6 +990,28 @@ static int qca_recv_acl_data(struct hci_dev *hdev, struct sk_buff *skb)
 	return hci_recv_frame(hdev, skb);
 }
 
+static void qca_dmp_hdr(struct hci_dev *hdev, struct sk_buff *skb)
+{
+	struct hci_uart *hu = hci_get_drvdata(hdev);
+	struct qca_data *qca = hu->priv;
+	char buf[80];
+
+	snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n",
+		qca->controller_id);
+	skb_put_data(skb, buf, strlen(buf));
+
+	snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n",
+		qca->fw_version);
+	skb_put_data(skb, buf, strlen(buf));
+
+	snprintf(buf, sizeof(buf), "Vendor:Qualcomm\n");
+	skb_put_data(skb, buf, strlen(buf));
+
+	snprintf(buf, sizeof(buf), "Driver: %s\n",
+		hu->serdev->dev.driver->name);
+	skb_put_data(skb, buf, strlen(buf));
+}
+
 static void qca_controller_memdump(struct work_struct *work)
 {
 	struct qca_data *qca = container_of(work, struct qca_data,
@@ -987,13 +1019,11 @@ static void qca_controller_memdump(struct work_struct *work)
 	struct hci_uart *hu = qca->hu;
 	struct sk_buff *skb;
 	struct qca_memdump_event_hdr *cmd_hdr;
-	struct qca_memdump_data *qca_memdump = qca->qca_memdump;
+	struct qca_memdump_info *qca_memdump = qca->qca_memdump;
 	struct qca_dump_size *dump;
-	char *memdump_buf;
-	char nullBuff[QCA_DUMP_PACKET_SIZE] = { 0 };
 	u16 seq_no;
-	u32 dump_size;
 	u32 rx_size;
+	int ret = 0;
 	enum qca_btsoc_type soc_type = qca_soc_type(hu);
 
 	while ((skb = skb_dequeue(&qca->rx_memdump_q))) {
@@ -1009,7 +1039,7 @@ static void qca_controller_memdump(struct work_struct *work)
 		}
 
 		if (!qca_memdump) {
-			qca_memdump = kzalloc(sizeof(struct qca_memdump_data),
+			qca_memdump = kzalloc(sizeof(struct qca_memdump_info),
 					      GFP_ATOMIC);
 			if (!qca_memdump) {
 				mutex_unlock(&qca->hci_memdump_lock);
@@ -1035,44 +1065,49 @@ static void qca_controller_memdump(struct work_struct *work)
 			set_bit(QCA_IBS_DISABLED, &qca->flags);
 			set_bit(QCA_MEMDUMP_COLLECTION, &qca->flags);
 			dump = (void *) skb->data;
-			dump_size = __le32_to_cpu(dump->dump_size);
-			if (!(dump_size)) {
+			qca_memdump->ram_dump_size = __le32_to_cpu(dump->dump_size);
+			if (!(qca_memdump->ram_dump_size)) {
 				bt_dev_err(hu->hdev, "Rx invalid memdump size");
 				kfree(qca_memdump);
 				kfree_skb(skb);
-				qca->qca_memdump = NULL;
 				mutex_unlock(&qca->hci_memdump_lock);
 				return;
 			}
 
-			bt_dev_info(hu->hdev, "QCA collecting dump of size:%u",
-				    dump_size);
 			queue_delayed_work(qca->workqueue,
 					   &qca->ctrl_memdump_timeout,
-					   msecs_to_jiffies(MEMDUMP_TIMEOUT_MS)
-					  );
-
-			skb_pull(skb, sizeof(dump_size));
-			memdump_buf = vmalloc(dump_size);
-			qca_memdump->ram_dump_size = dump_size;
-			qca_memdump->memdump_buf_head = memdump_buf;
-			qca_memdump->memdump_buf_tail = memdump_buf;
-		}
+					   msecs_to_jiffies(MEMDUMP_TIMEOUT_MS));
+			skb_pull(skb, sizeof(qca_memdump->ram_dump_size));
+			qca_memdump->current_seq_no = 0;
+			qca_memdump->received_dump = 0;
+			ret = hci_devcd_init(hu->hdev, qca_memdump->ram_dump_size);
+			bt_dev_info(hu->hdev, "hci_devcd_init Return:%d",
+				    ret);
+			if (ret < 0) {
+				kfree(qca->qca_memdump);
+				qca->qca_memdump = NULL;
+				qca->memdump_state = QCA_MEMDUMP_COLLECTED;
+				cancel_delayed_work(&qca->ctrl_memdump_timeout);
+				clear_bit(QCA_MEMDUMP_COLLECTION, &qca->flags);
+				mutex_unlock(&qca->hci_memdump_lock);
+				return;
+			}
 
-		memdump_buf = qca_memdump->memdump_buf_tail;
+			bt_dev_info(hu->hdev, "QCA collecting dump of size:%u",
+				    qca_memdump->ram_dump_size);
+
+		}
 
 		/* If sequence no 0 is missed then there is no point in
 		 * accepting the other sequences.
 		 */
-		if (!memdump_buf) {
+		if (!test_bit(QCA_MEMDUMP_COLLECTION, &qca->flags)) {
 			bt_dev_err(hu->hdev, "QCA: Discarding other packets");
 			kfree(qca_memdump);
 			kfree_skb(skb);
-			qca->qca_memdump = NULL;
 			mutex_unlock(&qca->hci_memdump_lock);
 			return;
 		}
-
 		/* There could be chance of missing some packets from
 		 * the controller. In such cases let us store the dummy
 		 * packets in the buffer.
@@ -1082,8 +1117,8 @@ static void qca_controller_memdump(struct work_struct *work)
 		 * bits, so skip this checking for missing packet.
 		 */
 		while ((seq_no > qca_memdump->current_seq_no + 1) &&
-		       (soc_type != QCA_QCA6390) &&
-		       seq_no != QCA_LAST_SEQUENCE_NUM) {
+			(soc_type != QCA_QCA6390) &&
+			seq_no != QCA_LAST_SEQUENCE_NUM) {
 			bt_dev_err(hu->hdev, "QCA controller missed packet:%d",
 				   qca_memdump->current_seq_no);
 			rx_size = qca_memdump->received_dump;
@@ -1094,43 +1129,38 @@ static void qca_controller_memdump(struct work_struct *work)
 					   qca_memdump->received_dump);
 				break;
 			}
-			memcpy(memdump_buf, nullBuff, QCA_DUMP_PACKET_SIZE);
-			memdump_buf = memdump_buf + QCA_DUMP_PACKET_SIZE;
+			hci_devcd_append_pattern(hu->hdev, 0x00,
+				QCA_DUMP_PACKET_SIZE);
 			qca_memdump->received_dump += QCA_DUMP_PACKET_SIZE;
 			qca_memdump->current_seq_no++;
 		}
 
-		rx_size = qca_memdump->received_dump + skb->len;
+		rx_size = qca_memdump->received_dump  + skb->len;
 		if (rx_size <= qca_memdump->ram_dump_size) {
 			if ((seq_no != QCA_LAST_SEQUENCE_NUM) &&
-			    (seq_no != qca_memdump->current_seq_no))
+			    (seq_no != qca_memdump->current_seq_no)) {
 				bt_dev_err(hu->hdev,
 					   "QCA memdump unexpected packet %d",
 					   seq_no);
+			}
 			bt_dev_dbg(hu->hdev,
 				   "QCA memdump packet %d with length %d",
 				   seq_no, skb->len);
-			memcpy(memdump_buf, (unsigned char *)skb->data,
-			       skb->len);
-			memdump_buf = memdump_buf + skb->len;
-			qca_memdump->memdump_buf_tail = memdump_buf;
-			qca_memdump->current_seq_no = seq_no + 1;
-			qca_memdump->received_dump += skb->len;
+			hci_devcd_append(hu->hdev, skb);
+			qca_memdump->current_seq_no += 1;
+			qca_memdump->received_dump = rx_size;
 		} else {
 			bt_dev_err(hu->hdev,
-				   "QCA memdump received %d, no space for packet %d",
-				   qca_memdump->received_dump, seq_no);
+				   "QCA memdump received no space for packet %d",
+				    qca_memdump->current_seq_no);
 		}
-		qca->qca_memdump = qca_memdump;
-		kfree_skb(skb);
+
 		if (seq_no == QCA_LAST_SEQUENCE_NUM) {
 			bt_dev_info(hu->hdev,
-				    "QCA memdump Done, received %d, total %d",
-				    qca_memdump->received_dump,
-				    qca_memdump->ram_dump_size);
-			memdump_buf = qca_memdump->memdump_buf_head;
-			dev_coredumpv(&hu->serdev->dev, memdump_buf,
-				      qca_memdump->received_dump, GFP_KERNEL);
+				"QCA memdump Done, received %d, total %d",
+				qca_memdump->received_dump,
+				qca_memdump->ram_dump_size);
+			hci_devcd_complete(hu->hdev);
 			cancel_delayed_work(&qca->ctrl_memdump_timeout);
 			kfree(qca->qca_memdump);
 			qca->qca_memdump = NULL;
@@ -1320,12 +1350,20 @@ static int qca_set_baudrate(struct hci_dev *hdev, uint8_t baudrate)
 		      msecs_to_jiffies(CMD_TRANS_TIMEOUT_MS));
 
 	/* Give the controller time to process the request */
-	if (qca_is_wcn399x(qca_soc_type(hu)) ||
-	    qca_is_wcn6750(qca_soc_type(hu)) ||
-	    qca_is_wcn6855(qca_soc_type(hu)))
+	switch (qca_soc_type(hu)) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
+	case QCA_WCN6750:
+	case QCA_WCN6855:
+	case QCA_WCN7850:
 		usleep_range(1000, 10000);
-	else
+		break;
+
+	default:
 		msleep(300);
+	}
 
 	return 0;
 }
@@ -1398,13 +1436,20 @@ static unsigned int qca_get_speed(struct hci_uart *hu,
 
 static int qca_check_speeds(struct hci_uart *hu)
 {
-	if (qca_is_wcn399x(qca_soc_type(hu)) ||
-	    qca_is_wcn6750(qca_soc_type(hu)) ||
-	    qca_is_wcn6855(qca_soc_type(hu))) {
+	switch (qca_soc_type(hu)) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
+	case QCA_WCN6750:
+	case QCA_WCN6855:
+	case QCA_WCN7850:
 		if (!qca_get_speed(hu, QCA_INIT_SPEED) &&
 		    !qca_get_speed(hu, QCA_OPER_SPEED))
 			return -EINVAL;
-	} else {
+		break;
+
+	default:
 		if (!qca_get_speed(hu, QCA_INIT_SPEED) ||
 		    !qca_get_speed(hu, QCA_OPER_SPEED))
 			return -EINVAL;
@@ -1433,14 +1478,29 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 		/* Disable flow control for wcn3990 to deassert RTS while
 		 * changing the baudrate of chip and host.
 		 */
-		if (qca_is_wcn399x(soc_type) ||
-		    qca_is_wcn6750(soc_type) ||
-		    qca_is_wcn6855(soc_type))
+		switch (soc_type) {
+		case QCA_WCN3988:
+		case QCA_WCN3990:
+		case QCA_WCN3991:
+		case QCA_WCN3998:
+		case QCA_WCN6750:
+		case QCA_WCN6855:
+		case QCA_WCN7850:
 			hci_uart_set_flow_control(hu, true);
+			break;
 
-		if (soc_type == QCA_WCN3990) {
+		default:
+			break;
+		}
+
+		switch (soc_type) {
+		case QCA_WCN3990:
 			reinit_completion(&qca->drop_ev_comp);
 			set_bit(QCA_DROP_VENDOR_EVENT, &qca->flags);
+			break;
+
+		default:
+			break;
 		}
 
 		qca_baudrate = qca_get_baudrate_value(speed);
@@ -1452,12 +1512,23 @@ static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)
 		host_set_baudrate(hu, speed);
 
 error:
-		if (qca_is_wcn399x(soc_type) ||
-		    qca_is_wcn6750(soc_type) ||
-		    qca_is_wcn6855(soc_type))
+		switch (soc_type) {
+		case QCA_WCN3988:
+		case QCA_WCN3990:
+		case QCA_WCN3991:
+		case QCA_WCN3998:
+		case QCA_WCN6750:
+		case QCA_WCN6855:
+		case QCA_WCN7850:
 			hci_uart_set_flow_control(hu, false);
+			break;
+
+		default:
+			break;
+		}
 
-		if (soc_type == QCA_WCN3990) {
+		switch (soc_type) {
+		case QCA_WCN3990:
 			/* Wait for the controller to send the vendor event
 			 * for the baudrate change command.
 			 */
@@ -1469,6 +1540,10 @@ error:
 			}
 
 			clear_bit(QCA_DROP_VENDOR_EVENT, &qca->flags);
+			break;
+
+		default:
+			break;
 		}
 	}
 
@@ -1541,8 +1616,8 @@ static void qca_hw_error(struct hci_dev *hdev, u8 code)
 	mutex_lock(&qca->hci_memdump_lock);
 	if (qca->memdump_state != QCA_MEMDUMP_COLLECTED) {
 		bt_dev_err(hu->hdev, "clearing allocated memory due to memdump timeout");
+		hci_devcd_abort(hu->hdev);
 		if (qca->qca_memdump) {
-			vfree(qca->qca_memdump->memdump_buf_head);
 			kfree(qca->qca_memdump);
 			qca->qca_memdump = NULL;
 		}
@@ -1630,12 +1705,20 @@ static int qca_regulator_init(struct hci_uart *hu)
 		}
 	}
 
-	if (qca_is_wcn399x(soc_type)) {
+	switch (soc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
 		/* Forcefully enable wcn399x to enter in to boot mode. */
 		host_set_baudrate(hu, 2400);
 		ret = qca_send_power_pulse(hu, false);
 		if (ret)
 			return ret;
+		break;
+
+	default:
+		break;
 	}
 
 	/* For wcn6750 need to enable gpio bt_en */
@@ -1652,10 +1735,18 @@ static int qca_regulator_init(struct hci_uart *hu)
 
 	qca_set_speed(hu, QCA_INIT_SPEED);
 
-	if (qca_is_wcn399x(soc_type)) {
+	switch (soc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
 		ret = qca_send_power_pulse(hu, true);
 		if (ret)
 			return ret;
+		break;
+
+	default:
+		break;
 	}
 
 	/* Now the device is in ready state to communicate with host.
@@ -1689,11 +1780,18 @@ static int qca_power_on(struct hci_dev *hdev)
 	if (!hu->serdev)
 		return 0;
 
-	if (qca_is_wcn399x(soc_type) ||
-	    qca_is_wcn6750(soc_type) ||
-	    qca_is_wcn6855(soc_type)) {
+	switch (soc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
+	case QCA_WCN6750:
+	case QCA_WCN6855:
+	case QCA_WCN7850:
 		ret = qca_regulator_init(hu);
-	} else {
+		break;
+
+	default:
 		qcadev = serdev_device_get_drvdata(hu->serdev);
 		if (qcadev->bt_en) {
 			gpiod_set_value_cansleep(qcadev->bt_en, 1);
@@ -1706,6 +1804,17 @@ static int qca_power_on(struct hci_dev *hdev)
 	return ret;
 }
 
+static void hci_coredump_qca(struct hci_dev *hdev)
+{
+	static const u8 param[] = { 0x26 };
+	struct sk_buff *skb;
+
+	skb = __hci_cmd_sync(hdev, 0xfc0c, 1, param, HCI_CMD_TIMEOUT);
+	if (IS_ERR(skb))
+		bt_dev_err(hdev, "%s: trigger crash failed (%ld)", __func__, PTR_ERR(skb));
+	kfree_skb(skb);
+}
+
 static int qca_setup(struct hci_uart *hu)
 {
 	struct hci_dev *hdev = hu->hdev;
@@ -1716,6 +1825,7 @@ static int qca_setup(struct hci_uart *hu)
 	const char *firmware_name = qca_get_firmware_name(hu);
 	int ret;
 	struct qca_btsoc_version ver;
+	const char *soc_name;
 
 	ret = qca_check_speeds(hu);
 	if (ret)
@@ -1730,10 +1840,30 @@ static int qca_setup(struct hci_uart *hu)
 	 */
 	set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
 
-	bt_dev_info(hdev, "setting up %s",
-		qca_is_wcn399x(soc_type) ? "wcn399x" :
-		(soc_type == QCA_WCN6750) ? "wcn6750" :
-		(soc_type == QCA_WCN6855) ? "wcn6855" : "ROME/QCA6390");
+	switch (soc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
+		soc_name = "wcn399x";
+		break;
+
+	case QCA_WCN6750:
+		soc_name = "wcn6750";
+		break;
+
+	case QCA_WCN6855:
+		soc_name = "wcn6855";
+		break;
+
+	case QCA_WCN7850:
+		soc_name = "wcn7850";
+		break;
+
+	default:
+		soc_name = "ROME/QCA6390";
+	}
+	bt_dev_info(hdev, "setting up %s", soc_name);
 
 	qca->memdump_state = QCA_MEMDUMP_IDLE;
 
@@ -1744,16 +1874,23 @@ retry:
 
 	clear_bit(QCA_SSR_TRIGGERED, &qca->flags);
 
-	if (qca_is_wcn399x(soc_type) ||
-	    qca_is_wcn6750(soc_type) ||
-	    qca_is_wcn6855(soc_type)) {
+	switch (soc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
+	case QCA_WCN6750:
+	case QCA_WCN6855:
+	case QCA_WCN7850:
 		set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
 		hci_set_aosp_capable(hdev);
 
 		ret = qca_read_soc_version(hdev, &ver, soc_type);
 		if (ret)
 			goto out;
-	} else {
+		break;
+
+	default:
 		qca_set_speed(hu, QCA_INIT_SPEED);
 	}
 
@@ -1767,9 +1904,17 @@ retry:
 		qca_baudrate = qca_get_baudrate_value(speed);
 	}
 
-	if (!(qca_is_wcn399x(soc_type) ||
-	      qca_is_wcn6750(soc_type) ||
-	      qca_is_wcn6855(soc_type))) {
+	switch (soc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
+	case QCA_WCN6750:
+	case QCA_WCN6855:
+	case QCA_WCN7850:
+		break;
+
+	default:
 		/* Get QCA version information */
 		ret = qca_read_soc_version(hdev, &ver, soc_type);
 		if (ret)
@@ -1820,6 +1965,9 @@ out:
 		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
 	else
 		hu->hdev->set_bdaddr = qca_set_bdaddr;
+	qca->fw_version = le16_to_cpu(ver.patch_ver);
+	qca->controller_id = le16_to_cpu(ver.rom_ver);
+	hci_devcd_register(hdev, hci_coredump_qca, qca_dmp_hdr, NULL);
 
 	return ret;
 }
@@ -1839,6 +1987,17 @@ static const struct hci_uart_proto qca_proto = {
 	.dequeue	= qca_dequeue,
 };
 
+static const struct qca_device_data qca_soc_data_wcn3988 __maybe_unused = {
+	.soc_type = QCA_WCN3988,
+	.vregs = (struct qca_vreg []) {
+		{ "vddio", 15000  },
+		{ "vddxo", 80000  },
+		{ "vddrf", 300000 },
+		{ "vddch0", 450000 },
+	},
+	.num_vregs = 4,
+};
+
 static const struct qca_device_data qca_soc_data_wcn3990 __maybe_unused = {
 	.soc_type = QCA_WCN3990,
 	.vregs = (struct qca_vreg []) {
@@ -1909,6 +2068,20 @@ static const struct qca_device_data qca_soc_data_wcn6855 __maybe_unused = {
 	.capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
 };
 
+static const struct qca_device_data qca_soc_data_wcn7850 __maybe_unused = {
+	.soc_type = QCA_WCN7850,
+	.vregs = (struct qca_vreg []) {
+		{ "vddio", 5000 },
+		{ "vddaon", 26000 },
+		{ "vdddig", 126000 },
+		{ "vddrfa0p8", 102000 },
+		{ "vddrfa1p2", 257000 },
+		{ "vddrfa1p9", 302000 },
+	},
+	.num_vregs = 6,
+	.capabilities = QCA_CAP_WIDEBAND_SPEECH | QCA_CAP_VALID_LE_STATES,
+};
+
 static void qca_power_shutdown(struct hci_uart *hu)
 {
 	struct qca_serdev *qcadev;
@@ -1934,11 +2107,18 @@ static void qca_power_shutdown(struct hci_uart *hu)
 
 	qcadev = serdev_device_get_drvdata(hu->serdev);
 
-	if (qca_is_wcn399x(soc_type)) {
+	switch (soc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
 		host_set_baudrate(hu, 2400);
 		qca_send_power_pulse(hu, false);
 		qca_regulator_disable(qcadev);
-	} else if (soc_type == QCA_WCN6750 || soc_type == QCA_WCN6855) {
+		break;
+
+	case QCA_WCN6750:
+	case QCA_WCN6855:
 		gpiod_set_value_cansleep(qcadev->bt_en, 0);
 		msleep(100);
 		qca_regulator_disable(qcadev);
@@ -1946,7 +2126,9 @@ static void qca_power_shutdown(struct hci_uart *hu)
 			sw_ctrl_state = gpiod_get_value_cansleep(qcadev->sw_ctrl);
 			bt_dev_dbg(hu->hdev, "SW_CTRL is %d", sw_ctrl_state);
 		}
-	} else if (qcadev->bt_en) {
+		break;
+
+	default:
 		gpiod_set_value_cansleep(qcadev->bt_en, 0);
 	}
 
@@ -2071,11 +2253,19 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 	if (!qcadev->oper_speed)
 		BT_DBG("UART will pick default operating speed");
 
-	if (data &&
-	    (qca_is_wcn399x(data->soc_type) ||
-	     qca_is_wcn6750(data->soc_type) ||
-	     qca_is_wcn6855(data->soc_type))) {
+	if (data)
 		qcadev->btsoc_type = data->soc_type;
+	else
+		qcadev->btsoc_type = QCA_ROME;
+
+	switch (qcadev->btsoc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
+	case QCA_WCN6750:
+	case QCA_WCN6855:
+	case QCA_WCN7850:
 		qcadev->bt_power = devm_kzalloc(&serdev->dev,
 						sizeof(struct qca_power),
 						GFP_KERNEL);
@@ -2105,7 +2295,8 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 					       GPIOD_IN);
 		if (IS_ERR_OR_NULL(qcadev->sw_ctrl) &&
 		    (data->soc_type == QCA_WCN6750 ||
-		     data->soc_type == QCA_WCN6855))
+		     data->soc_type == QCA_WCN6855 ||
+		     data->soc_type == QCA_WCN7850))
 			dev_warn(&serdev->dev, "failed to acquire SW_CTRL gpio\n");
 
 		qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
@@ -2119,12 +2310,9 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 			BT_ERR("wcn3990 serdev registration failed");
 			return err;
 		}
-	} else {
-		if (data)
-			qcadev->btsoc_type = data->soc_type;
-		else
-			qcadev->btsoc_type = QCA_ROME;
+		break;
 
+	default:
 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
 					       GPIOD_OUT_LOW);
 		if (IS_ERR_OR_NULL(qcadev->bt_en)) {
@@ -2180,13 +2368,24 @@ static void qca_serdev_remove(struct serdev_device *serdev)
 	struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
 	struct qca_power *power = qcadev->bt_power;
 
-	if ((qca_is_wcn399x(qcadev->btsoc_type) ||
-	     qca_is_wcn6750(qcadev->btsoc_type) ||
-	     qca_is_wcn6855(qcadev->btsoc_type)) &&
-	    power->vregs_on)
-		qca_power_shutdown(&qcadev->serdev_hu);
-	else if (qcadev->susclk)
-		clk_disable_unprepare(qcadev->susclk);
+	switch (qcadev->btsoc_type) {
+	case QCA_WCN3988:
+	case QCA_WCN3990:
+	case QCA_WCN3991:
+	case QCA_WCN3998:
+	case QCA_WCN6750:
+	case QCA_WCN6855:
+	case QCA_WCN7850:
+		if (power->vregs_on) {
+			qca_power_shutdown(&qcadev->serdev_hu);
+			break;
+		}
+		fallthrough;
+
+	default:
+		if (qcadev->susclk)
+			clk_disable_unprepare(qcadev->susclk);
+	}
 
 	hci_uart_unregister_device(&qcadev->serdev_hu);
 }
@@ -2363,11 +2562,13 @@ static const struct of_device_id qca_bluetooth_of_match[] = {
 	{ .compatible = "qcom,qca6174-bt" },
 	{ .compatible = "qcom,qca6390-bt", .data = &qca_soc_data_qca6390},
 	{ .compatible = "qcom,qca9377-bt" },
+	{ .compatible = "qcom,wcn3988-bt", .data = &qca_soc_data_wcn3988},
 	{ .compatible = "qcom,wcn3990-bt", .data = &qca_soc_data_wcn3990},
 	{ .compatible = "qcom,wcn3991-bt", .data = &qca_soc_data_wcn3991},
 	{ .compatible = "qcom,wcn3998-bt", .data = &qca_soc_data_wcn3998},
 	{ .compatible = "qcom,wcn6750-bt", .data = &qca_soc_data_wcn6750},
 	{ .compatible = "qcom,wcn6855-bt", .data = &qca_soc_data_wcn6855},
+	{ .compatible = "qcom,wcn7850-bt", .data = &qca_soc_data_wcn7850},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, qca_bluetooth_of_match);
@@ -2384,6 +2585,18 @@ static const struct acpi_device_id qca_bluetooth_acpi_match[] = {
 MODULE_DEVICE_TABLE(acpi, qca_bluetooth_acpi_match);
 #endif
 
+#ifdef CONFIG_DEV_COREDUMP
+static void hciqca_coredump(struct device *dev)
+{
+	struct serdev_device *serdev = to_serdev_device(dev);
+	struct qca_serdev *qcadev = serdev_device_get_drvdata(serdev);
+	struct hci_uart *hu = &qcadev->serdev_hu;
+	struct hci_dev  *hdev = hu->hdev;
+
+	if (hdev->dump.coredump)
+		hdev->dump.coredump(hdev);
+}
+#endif
 
 static struct serdev_device_driver qca_serdev_driver = {
 	.probe = qca_serdev_probe,
@@ -2394,6 +2607,9 @@ static struct serdev_device_driver qca_serdev_driver = {
 		.acpi_match_table = ACPI_PTR(qca_bluetooth_acpi_match),
 		.shutdown = qca_serdev_shutdown,
 		.pm = &qca_pm_ops,
+#ifdef CONFIG_DEV_COREDUMP
+		.coredump = hciqca_coredump,
+#endif
 	},
 };