135 	struct hci_uart *hu;  member
225 static void qca_power_shutdown(struct hci_uart *hu);
229 static enum qca_btsoc_type qca_soc_type(struct hci_uart *hu)  in qca_soc_type()  argument
233 	if (hu->serdev) {  in qca_soc_type()
234 		struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev);  in qca_soc_type()
244 static const char *qca_get_firmware_name(struct hci_uart *hu)  in qca_get_firmware_name()  argument
246 	if (hu->serdev) {  in qca_get_firmware_name()
247 		struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev);  in qca_get_firmware_name()
272 static void serial_clock_vote(unsigned long vote, struct hci_uart *hu)  in serial_clock_vote()  argument
274 	struct qca_data *qca = hu->priv;  in serial_clock_vote()
319 			__serial_clock_on(hu->tty);  in serial_clock_vote()
321 			__serial_clock_off(hu->tty);  in serial_clock_vote()
342 static int send_hci_ibs_cmd(u8 cmd, struct hci_uart *hu)  in send_hci_ibs_cmd()  argument
346 	struct qca_data *qca = hu->priv;  in send_hci_ibs_cmd()
348 	BT_DBG("hu %p send hci ibs cmd 0x%x", hu, cmd);  in send_hci_ibs_cmd()
368 	struct hci_uart *hu = qca->hu;  in qca_wq_awake_device()  local
372 	BT_DBG("hu %p wq awake device", hu);  in qca_wq_awake_device()
375 	serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_ON, hu);  in qca_wq_awake_device()
380 	if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0)  in qca_wq_awake_device()
392 	hci_uart_tx_wakeup(hu);  in qca_wq_awake_device()
399 	struct hci_uart *hu = qca->hu;  in qca_wq_awake_rx()  local
402 	BT_DBG("hu %p wq awake rx", hu);  in qca_wq_awake_rx()
404 	serial_clock_vote(HCI_IBS_RX_VOTE_CLOCK_ON, hu);  in qca_wq_awake_rx()
412 	if (send_hci_ibs_cmd(HCI_IBS_WAKE_ACK, hu) < 0)  in qca_wq_awake_rx()
420 	hci_uart_tx_wakeup(hu);  in qca_wq_awake_rx()
427 	struct hci_uart *hu = qca->hu;  in qca_wq_serial_rx_clock_vote_off()  local
429 	BT_DBG("hu %p rx clock vote off", hu);  in qca_wq_serial_rx_clock_vote_off()
431 	serial_clock_vote(HCI_IBS_RX_VOTE_CLOCK_OFF, hu);  in qca_wq_serial_rx_clock_vote_off()
438 	struct hci_uart *hu = qca->hu;  in qca_wq_serial_tx_clock_vote_off()  local
440 	BT_DBG("hu %p tx clock vote off", hu);  in qca_wq_serial_tx_clock_vote_off()
443 	hci_uart_tx_wakeup(hu);  in qca_wq_serial_tx_clock_vote_off()
448 	serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_OFF, hu);  in qca_wq_serial_tx_clock_vote_off()
454 	struct hci_uart *hu = qca->hu;  in hci_ibs_tx_idle_timeout()  local
457 	BT_DBG("hu %p idle timeout in %d state", hu, qca->tx_ibs_state);  in hci_ibs_tx_idle_timeout()
465 		if (send_hci_ibs_cmd(HCI_IBS_SLEEP_IND, hu) < 0) {  in hci_ibs_tx_idle_timeout()
487 	struct hci_uart *hu = qca->hu;  in hci_ibs_wake_retrans_timeout()  local
492 		hu, qca->tx_ibs_state);  in hci_ibs_wake_retrans_timeout()
507 		if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0) {  in hci_ibs_wake_retrans_timeout()
526 		hci_uart_tx_wakeup(hu);  in hci_ibs_wake_retrans_timeout()
534 	struct hci_uart *hu = qca->hu;  in qca_controller_memdump_timeout()  local
543 			hci_reset_dev(hu->hdev);  in qca_controller_memdump_timeout()
552 static int qca_open(struct hci_uart *hu)  in qca_open()  argument
557 	BT_DBG("hu %p qca_open", hu);  in qca_open()
559 	if (!hci_uart_has_flow_control(hu))  in qca_open()
587 	qca->hu = hu;  in qca_open()
596 	hu->priv = qca;  in qca_open()
598 	if (hu->serdev) {  in qca_open()
599 		qcadev = serdev_device_get_drvdata(hu->serdev);  in qca_open()
602 			hu->init_speed = qcadev->init_speed;  in qca_open()
605 			hu->oper_speed = qcadev->oper_speed;  in qca_open()
622 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_debugfs_init()  local
623 	struct qca_data *qca = hu->priv;  in qca_debugfs_init()
667 static int qca_flush(struct hci_uart *hu)  in qca_flush()  argument
669 	struct qca_data *qca = hu->priv;  in qca_flush()
671 	BT_DBG("hu %p qca flush", hu);  in qca_flush()
680 static int qca_close(struct hci_uart *hu)  in qca_close()  argument
682 	struct qca_data *qca = hu->priv;  in qca_close()
684 	BT_DBG("hu %p qca close", hu);  in qca_close()
686 	serial_clock_vote(HCI_IBS_VOTE_STATS_UPDATE, hu);  in qca_close()
694 	qca->hu = NULL;  in qca_close()
698 	hu->priv = NULL;  in qca_close()
707 static void device_want_to_wakeup(struct hci_uart *hu)  in device_want_to_wakeup()  argument
710 	struct qca_data *qca = hu->priv;  in device_want_to_wakeup()
712 	BT_DBG("hu %p want to wake up", hu);  in device_want_to_wakeup()
737 		if (send_hci_ibs_cmd(HCI_IBS_WAKE_ACK, hu) < 0) {  in device_want_to_wakeup()
754 	hci_uart_tx_wakeup(hu);  in device_want_to_wakeup()
759 static void device_want_to_sleep(struct hci_uart *hu)  in device_want_to_sleep()  argument
762 	struct qca_data *qca = hu->priv;  in device_want_to_sleep()
764 	BT_DBG("hu %p want to sleep in %d state", hu, qca->rx_ibs_state);  in device_want_to_sleep()
795 static void device_woke_up(struct hci_uart *hu)  in device_woke_up()  argument
798 	struct qca_data *qca = hu->priv;  in device_woke_up()
801 	BT_DBG("hu %p woke up", hu);  in device_woke_up()
842 	hci_uart_tx_wakeup(hu);  in device_woke_up()
848 static int qca_enqueue(struct hci_uart *hu, struct sk_buff *skb)  in qca_enqueue()  argument
851 	struct qca_data *qca = hu->priv;  in qca_enqueue()
853 	BT_DBG("hu %p qca enq skb %p tx_ibs_state %d", hu, skb,  in qca_enqueue()
858 		bt_dev_dbg(hu->hdev, "SSR is in progress");  in qca_enqueue()
918 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_ibs_sleep_ind()  local
920 	BT_DBG("hu %p recv hci ibs cmd 0x%x", hu, HCI_IBS_SLEEP_IND);  in qca_ibs_sleep_ind()
922 	device_want_to_sleep(hu);  in qca_ibs_sleep_ind()
930 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_ibs_wake_ind()  local
932 	BT_DBG("hu %p recv hci ibs cmd 0x%x", hu, HCI_IBS_WAKE_IND);  in qca_ibs_wake_ind()
934 	device_want_to_wakeup(hu);  in qca_ibs_wake_ind()
942 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_ibs_wake_ack()  local
944 	BT_DBG("hu %p recv hci ibs cmd 0x%x", hu, HCI_IBS_WAKE_ACK);  in qca_ibs_wake_ack()
946 	device_woke_up(hu);  in qca_ibs_wake_ack()
969 	struct hci_uart *hu = qca->hu;  in qca_controller_memdump()  local
979 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_controller_memdump()
1022 				bt_dev_err(hu->hdev, "Rx invalid memdump size");  in qca_controller_memdump()
1028 			bt_dev_info(hu->hdev, "QCA collecting dump of size:%u",  in qca_controller_memdump()
1048 			bt_dev_err(hu->hdev, "QCA: Discarding other packets");  in qca_controller_memdump()
1067 			bt_dev_err(hu->hdev, "QCA controller missed packet:%d",  in qca_controller_memdump()
1072 				bt_dev_err(hu->hdev,  in qca_controller_memdump()
1087 				bt_dev_err(hu->hdev,  in qca_controller_memdump()
1090 			bt_dev_dbg(hu->hdev,  in qca_controller_memdump()
1100 			bt_dev_err(hu->hdev,  in qca_controller_memdump()
1107 			bt_dev_info(hu->hdev,  in qca_controller_memdump()
1112 			dev_coredumpv(&hu->serdev->dev, memdump_buf,  in qca_controller_memdump()
1129 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_controller_memdump_event()  local
1130 	struct qca_data *qca = hu->priv;  in qca_controller_memdump_event()
1141 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_recv_event()  local
1142 	struct qca_data *qca = hu->priv;  in qca_recv_event()
1206 static int qca_recv(struct hci_uart *hu, const void *data, int count)  in qca_recv()  argument
1208 	struct qca_data *qca = hu->priv;  in qca_recv()
1210 	if (!test_bit(HCI_UART_REGISTERED, &hu->flags))  in qca_recv()
1213 	qca->rx_skb = h4_recv_buf(hu->hdev, qca->rx_skb, data, count,  in qca_recv()
1217 		bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);  in qca_recv()
1225 static struct sk_buff *qca_dequeue(struct hci_uart *hu)  in qca_dequeue()  argument
1227 	struct qca_data *qca = hu->priv;  in qca_dequeue()
1270 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_set_baudrate()  local
1271 	struct qca_data *qca = hu->priv;  in qca_set_baudrate()
1291 	hci_uart_tx_wakeup(hu);  in qca_set_baudrate()
1298 	if (hu->serdev)  in qca_set_baudrate()
1299 		serdev_device_wait_until_sent(hu->serdev,  in qca_set_baudrate()
1303 	if (qca_is_wcn399x(qca_soc_type(hu)))  in qca_set_baudrate()
1311 static inline void host_set_baudrate(struct hci_uart *hu, unsigned int speed)  in host_set_baudrate()  argument
1313 	if (hu->serdev)  in host_set_baudrate()
1314 		serdev_device_set_baudrate(hu->serdev, speed);  in host_set_baudrate()
1316 		hci_uart_set_baudrate(hu, speed);  in host_set_baudrate()
1319 static int qca_send_power_pulse(struct hci_uart *hu, bool on)  in qca_send_power_pulse()  argument
1335 	bt_dev_dbg(hu->hdev, "sending power pulse %02x to controller", cmd);  in qca_send_power_pulse()
1337 	serdev_device_write_flush(hu->serdev);  in qca_send_power_pulse()
1338 	hci_uart_set_flow_control(hu, true);  in qca_send_power_pulse()
1339 	ret = serdev_device_write_buf(hu->serdev, &cmd, sizeof(cmd));  in qca_send_power_pulse()
1341 		bt_dev_err(hu->hdev, "failed to send power pulse %02x", cmd);  in qca_send_power_pulse()
1345 	serdev_device_wait_until_sent(hu->serdev, timeout);  in qca_send_power_pulse()
1346 	hci_uart_set_flow_control(hu, false);  in qca_send_power_pulse()
1357 static unsigned int qca_get_speed(struct hci_uart *hu,  in qca_get_speed()  argument
1363 		if (hu->init_speed)  in qca_get_speed()
1364 			speed = hu->init_speed;  in qca_get_speed()
1365 		else if (hu->proto->init_speed)  in qca_get_speed()
1366 			speed = hu->proto->init_speed;  in qca_get_speed()
1368 		if (hu->oper_speed)  in qca_get_speed()
1369 			speed = hu->oper_speed;  in qca_get_speed()
1370 		else if (hu->proto->oper_speed)  in qca_get_speed()
1371 			speed = hu->proto->oper_speed;  in qca_get_speed()
1377 static int qca_check_speeds(struct hci_uart *hu)  in qca_check_speeds()  argument
1379 	if (qca_is_wcn399x(qca_soc_type(hu))) {  in qca_check_speeds()
1380 		if (!qca_get_speed(hu, QCA_INIT_SPEED) &&  in qca_check_speeds()
1381 		    !qca_get_speed(hu, QCA_OPER_SPEED))  in qca_check_speeds()
1384 		if (!qca_get_speed(hu, QCA_INIT_SPEED) ||  in qca_check_speeds()
1385 		    !qca_get_speed(hu, QCA_OPER_SPEED))  in qca_check_speeds()
1392 static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)  in qca_set_speed()  argument
1395 	struct qca_data *qca = hu->priv;  in qca_set_speed()
1399 		speed = qca_get_speed(hu, QCA_INIT_SPEED);  in qca_set_speed()
1401 			host_set_baudrate(hu, speed);  in qca_set_speed()
1403 		enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_set_speed()
1405 		speed = qca_get_speed(hu, QCA_OPER_SPEED);  in qca_set_speed()
1413 			hci_uart_set_flow_control(hu, true);  in qca_set_speed()
1421 		bt_dev_dbg(hu->hdev, "Set UART speed to %d", speed);  in qca_set_speed()
1422 		ret = qca_set_baudrate(hu->hdev, qca_baudrate);  in qca_set_speed()
1426 		host_set_baudrate(hu, speed);  in qca_set_speed()
1430 			hci_uart_set_flow_control(hu, false);  in qca_set_speed()
1438 				bt_dev_err(hu->hdev,  in qca_set_speed()
1450 static int qca_send_crashbuffer(struct hci_uart *hu)  in qca_send_crashbuffer()  argument
1452 	struct qca_data *qca = hu->priv;  in qca_send_crashbuffer()
1457 		bt_dev_err(hu->hdev, "Failed to allocate memory for skb packet");  in qca_send_crashbuffer()
1468 	bt_dev_info(hu->hdev, "crash the soc to collect controller dump");  in qca_send_crashbuffer()
1470 	hci_uart_tx_wakeup(hu);  in qca_send_crashbuffer()
1477 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_wait_for_dump_collection()  local
1478 	struct qca_data *qca = hu->priv;  in qca_wait_for_dump_collection()
1488 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_hw_error()  local
1489 	struct qca_data *qca = hu->priv;  in qca_hw_error()
1503 		qca_send_crashbuffer(hu);  in qca_hw_error()
1515 		bt_dev_err(hu->hdev, "clearing allocated memory due to memdump timeout");  in qca_hw_error()
1537 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_cmd_timeout()  local
1538 	struct qca_data *qca = hu->priv;  in qca_cmd_timeout()
1543 		qca_send_crashbuffer(hu);  in qca_cmd_timeout()
1560 			hci_reset_dev(hu->hdev);  in qca_cmd_timeout()
1566 static int qca_wcn3990_init(struct hci_uart *hu)  in qca_wcn3990_init()  argument
1574 	qcadev = serdev_device_get_drvdata(hu->serdev);  in qca_wcn3990_init()
1576 		serdev_device_close(hu->serdev);  in qca_wcn3990_init()
1581 		ret = serdev_device_open(hu->serdev);  in qca_wcn3990_init()
1583 			bt_dev_err(hu->hdev, "failed to open port");  in qca_wcn3990_init()
1589 	host_set_baudrate(hu, 2400);  in qca_wcn3990_init()
1590 	ret = qca_send_power_pulse(hu, false);  in qca_wcn3990_init()
1594 	qca_set_speed(hu, QCA_INIT_SPEED);  in qca_wcn3990_init()
1595 	ret = qca_send_power_pulse(hu, true);  in qca_wcn3990_init()
1604 	serdev_device_close(hu->serdev);  in qca_wcn3990_init()
1605 	ret = serdev_device_open(hu->serdev);  in qca_wcn3990_init()
1607 		bt_dev_err(hu->hdev, "failed to open port");  in qca_wcn3990_init()
1611 	hci_uart_set_flow_control(hu, false);  in qca_wcn3990_init()
1618 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_power_on()  local
1619 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_power_on()
1626 	if (!hu->serdev)  in qca_power_on()
1630 		ret = qca_wcn3990_init(hu);  in qca_power_on()
1632 		qcadev = serdev_device_get_drvdata(hu->serdev);  in qca_power_on()
1643 static int qca_setup(struct hci_uart *hu)  in qca_setup()  argument
1645 	struct hci_dev *hdev = hu->hdev;  in qca_setup()
1646 	struct qca_data *qca = hu->priv;  in qca_setup()
1649 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_setup()
1650 	const char *firmware_name = qca_get_firmware_name(hu);  in qca_setup()
1654 	ret = qca_check_speeds(hu);  in qca_setup()
1685 		qca_set_speed(hu, QCA_INIT_SPEED);  in qca_setup()
1689 	speed = qca_get_speed(hu, QCA_OPER_SPEED);  in qca_setup()
1691 		ret = qca_set_speed(hu, QCA_OPER_SPEED);  in qca_setup()
1712 		hu->hdev->hw_error = qca_hw_error;  in qca_setup()
1713 		hu->hdev->cmd_timeout = qca_cmd_timeout;  in qca_setup()
1725 			qca_power_shutdown(hu);  in qca_setup()
1726 			if (hu->serdev) {  in qca_setup()
1727 				serdev_device_close(hu->serdev);  in qca_setup()
1728 				ret = serdev_device_open(hu->serdev);  in qca_setup()
1741 		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;  in qca_setup()
1743 		hu->hdev->set_bdaddr = qca_set_bdaddr;  in qca_setup()
1802 static void qca_power_shutdown(struct hci_uart *hu)  in qca_power_shutdown()  argument
1805 	struct qca_data *qca = hu->priv;  in qca_power_shutdown()
1807 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_power_shutdown()
1809 	qcadev = serdev_device_get_drvdata(hu->serdev);  in qca_power_shutdown()
1817 	qca_flush(hu);  in qca_power_shutdown()
1823 	if (!hu->serdev)  in qca_power_shutdown()
1827 		host_set_baudrate(hu, 2400);  in qca_power_shutdown()
1828 		qca_send_power_pulse(hu, false);  in qca_power_shutdown()
1837 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_power_off()  local
1838 	struct qca_data *qca = hu->priv;  in qca_power_off()
1839 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_power_off()
1841 	hu->hdev->hw_error = NULL;  in qca_power_off()
1842 	hu->hdev->cmd_timeout = NULL;  in qca_power_off()
1851 	qca_power_shutdown(hu);  in qca_power_off()
2078 	struct hci_uart *hu = &qcadev->serdev_hu;  in qca_suspend()  local
2079 	struct qca_data *qca = hu->priv;  in qca_suspend()
2104 		serdev_device_write_flush(hu->serdev);  in qca_suspend()
2106 		ret = serdev_device_write_buf(hu->serdev, &cmd, sizeof(cmd));  in qca_suspend()
2133 		serdev_device_wait_until_sent(hu->serdev,  in qca_suspend()
2135 		serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_OFF, hu);  in qca_suspend()
2161 	struct hci_uart *hu = &qcadev->serdev_hu;  in qca_resume()  local
2162 	struct qca_data *qca = hu->priv;  in qca_resume()