141 	struct hci_uart *hu;  member
232 static void qca_power_shutdown(struct hci_uart *hu);
236 static enum qca_btsoc_type qca_soc_type(struct hci_uart *hu)  in qca_soc_type()  argument
240 	if (hu->serdev) {  in qca_soc_type()
241 		struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev);  in qca_soc_type()
251 static const char *qca_get_firmware_name(struct hci_uart *hu)  in qca_get_firmware_name()  argument
253 	if (hu->serdev) {  in qca_get_firmware_name()
254 		struct qca_serdev *qsd = serdev_device_get_drvdata(hu->serdev);  in qca_get_firmware_name()
279 static void serial_clock_vote(unsigned long vote, struct hci_uart *hu)  in serial_clock_vote()  argument
281 	struct qca_data *qca = hu->priv;  in serial_clock_vote()
326 			__serial_clock_on(hu->tty);  in serial_clock_vote()
328 			__serial_clock_off(hu->tty);  in serial_clock_vote()
349 static int send_hci_ibs_cmd(u8 cmd, struct hci_uart *hu)  in send_hci_ibs_cmd()  argument
353 	struct qca_data *qca = hu->priv;  in send_hci_ibs_cmd()
355 	BT_DBG("hu %p send hci ibs cmd 0x%x", hu, cmd);  in send_hci_ibs_cmd()
375 	struct hci_uart *hu = qca->hu;  in qca_wq_awake_device()  local
379 	BT_DBG("hu %p wq awake device", hu);  in qca_wq_awake_device()
382 	serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_ON, hu);  in qca_wq_awake_device()
387 	if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0)  in qca_wq_awake_device()
399 	hci_uart_tx_wakeup(hu);  in qca_wq_awake_device()
406 	struct hci_uart *hu = qca->hu;  in qca_wq_awake_rx()  local
409 	BT_DBG("hu %p wq awake rx", hu);  in qca_wq_awake_rx()
411 	serial_clock_vote(HCI_IBS_RX_VOTE_CLOCK_ON, hu);  in qca_wq_awake_rx()
419 	if (send_hci_ibs_cmd(HCI_IBS_WAKE_ACK, hu) < 0)  in qca_wq_awake_rx()
427 	hci_uart_tx_wakeup(hu);  in qca_wq_awake_rx()
434 	struct hci_uart *hu = qca->hu;  in qca_wq_serial_rx_clock_vote_off()  local
436 	BT_DBG("hu %p rx clock vote off", hu);  in qca_wq_serial_rx_clock_vote_off()
438 	serial_clock_vote(HCI_IBS_RX_VOTE_CLOCK_OFF, hu);  in qca_wq_serial_rx_clock_vote_off()
445 	struct hci_uart *hu = qca->hu;  in qca_wq_serial_tx_clock_vote_off()  local
447 	BT_DBG("hu %p tx clock vote off", hu);  in qca_wq_serial_tx_clock_vote_off()
450 	hci_uart_tx_wakeup(hu);  in qca_wq_serial_tx_clock_vote_off()
455 	serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_OFF, hu);  in qca_wq_serial_tx_clock_vote_off()
461 	struct hci_uart *hu = qca->hu;  in hci_ibs_tx_idle_timeout()  local
464 	BT_DBG("hu %p idle timeout in %d state", hu, qca->tx_ibs_state);  in hci_ibs_tx_idle_timeout()
472 		if (send_hci_ibs_cmd(HCI_IBS_SLEEP_IND, hu) < 0) {  in hci_ibs_tx_idle_timeout()
494 	struct hci_uart *hu = qca->hu;  in hci_ibs_wake_retrans_timeout()  local
499 		hu, qca->tx_ibs_state);  in hci_ibs_wake_retrans_timeout()
514 		if (send_hci_ibs_cmd(HCI_IBS_WAKE_IND, hu) < 0) {  in hci_ibs_wake_retrans_timeout()
533 		hci_uart_tx_wakeup(hu);  in hci_ibs_wake_retrans_timeout()
541 	struct hci_uart *hu = qca->hu;  in qca_controller_memdump_timeout()  local
550 			hci_reset_dev(hu->hdev);  in qca_controller_memdump_timeout()
559 static int qca_open(struct hci_uart *hu)  in qca_open()  argument
564 	BT_DBG("hu %p qca_open", hu);  in qca_open()
566 	if (!hci_uart_has_flow_control(hu))  in qca_open()
594 	qca->hu = hu;  in qca_open()
603 	hu->priv = qca;  in qca_open()
605 	if (hu->serdev) {  in qca_open()
606 		qcadev = serdev_device_get_drvdata(hu->serdev);  in qca_open()
610 			hu->init_speed = qcadev->init_speed;  in qca_open()
613 			hu->oper_speed = qcadev->oper_speed;  in qca_open()
630 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_debugfs_init()  local
631 	struct qca_data *qca = hu->priv;  in qca_debugfs_init()
675 static int qca_flush(struct hci_uart *hu)  in qca_flush()  argument
677 	struct qca_data *qca = hu->priv;  in qca_flush()
679 	BT_DBG("hu %p qca flush", hu);  in qca_flush()
688 static int qca_close(struct hci_uart *hu)  in qca_close()  argument
690 	struct qca_data *qca = hu->priv;  in qca_close()
692 	BT_DBG("hu %p qca close", hu);  in qca_close()
694 	serial_clock_vote(HCI_IBS_VOTE_STATS_UPDATE, hu);  in qca_close()
702 	qca->hu = NULL;  in qca_close()
706 	hu->priv = NULL;  in qca_close()
715 static void device_want_to_wakeup(struct hci_uart *hu)  in device_want_to_wakeup()  argument
718 	struct qca_data *qca = hu->priv;  in device_want_to_wakeup()
720 	BT_DBG("hu %p want to wake up", hu);  in device_want_to_wakeup()
745 		if (send_hci_ibs_cmd(HCI_IBS_WAKE_ACK, hu) < 0) {  in device_want_to_wakeup()
762 	hci_uart_tx_wakeup(hu);  in device_want_to_wakeup()
767 static void device_want_to_sleep(struct hci_uart *hu)  in device_want_to_sleep()  argument
770 	struct qca_data *qca = hu->priv;  in device_want_to_sleep()
772 	BT_DBG("hu %p want to sleep in %d state", hu, qca->rx_ibs_state);  in device_want_to_sleep()
803 static void device_woke_up(struct hci_uart *hu)  in device_woke_up()  argument
806 	struct qca_data *qca = hu->priv;  in device_woke_up()
809 	BT_DBG("hu %p woke up", hu);  in device_woke_up()
850 	hci_uart_tx_wakeup(hu);  in device_woke_up()
856 static int qca_enqueue(struct hci_uart *hu, struct sk_buff *skb)  in qca_enqueue()  argument
859 	struct qca_data *qca = hu->priv;  in qca_enqueue()
861 	BT_DBG("hu %p qca enq skb %p tx_ibs_state %d", hu, skb,  in qca_enqueue()
866 		bt_dev_dbg(hu->hdev, "SSR is in progress");  in qca_enqueue()
926 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_ibs_sleep_ind()  local
928 	BT_DBG("hu %p recv hci ibs cmd 0x%x", hu, HCI_IBS_SLEEP_IND);  in qca_ibs_sleep_ind()
930 	device_want_to_sleep(hu);  in qca_ibs_sleep_ind()
938 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_ibs_wake_ind()  local
940 	BT_DBG("hu %p recv hci ibs cmd 0x%x", hu, HCI_IBS_WAKE_IND);  in qca_ibs_wake_ind()
942 	device_want_to_wakeup(hu);  in qca_ibs_wake_ind()
950 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_ibs_wake_ack()  local
952 	BT_DBG("hu %p recv hci ibs cmd 0x%x", hu, HCI_IBS_WAKE_ACK);  in qca_ibs_wake_ack()
954 	device_woke_up(hu);  in qca_ibs_wake_ack()
977 	struct hci_uart *hu = qca->hu;  in qca_controller_memdump()  local
987 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_controller_memdump()
1030 				bt_dev_err(hu->hdev, "Rx invalid memdump size");  in qca_controller_memdump()
1038 			bt_dev_info(hu->hdev, "QCA collecting dump of size:%u",  in qca_controller_memdump()
1058 			bt_dev_err(hu->hdev, "QCA: Discarding other packets");  in qca_controller_memdump()
1077 			bt_dev_err(hu->hdev, "QCA controller missed packet:%d",  in qca_controller_memdump()
1082 				bt_dev_err(hu->hdev,  in qca_controller_memdump()
1097 				bt_dev_err(hu->hdev,  in qca_controller_memdump()
1100 			bt_dev_dbg(hu->hdev,  in qca_controller_memdump()
1110 			bt_dev_err(hu->hdev,  in qca_controller_memdump()
1117 			bt_dev_info(hu->hdev,  in qca_controller_memdump()
1122 			dev_coredumpv(&hu->serdev->dev, memdump_buf,  in qca_controller_memdump()
1139 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_controller_memdump_event()  local
1140 	struct qca_data *qca = hu->priv;  in qca_controller_memdump_event()
1151 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_recv_event()  local
1152 	struct qca_data *qca = hu->priv;  in qca_recv_event()
1216 static int qca_recv(struct hci_uart *hu, const void *data, int count)  in qca_recv()  argument
1218 	struct qca_data *qca = hu->priv;  in qca_recv()
1220 	if (!test_bit(HCI_UART_REGISTERED, &hu->flags))  in qca_recv()
1223 	qca->rx_skb = h4_recv_buf(hu->hdev, qca->rx_skb, data, count,  in qca_recv()
1227 		bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);  in qca_recv()
1235 static struct sk_buff *qca_dequeue(struct hci_uart *hu)  in qca_dequeue()  argument
1237 	struct qca_data *qca = hu->priv;  in qca_dequeue()
1280 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_set_baudrate()  local
1281 	struct qca_data *qca = hu->priv;  in qca_set_baudrate()
1301 	hci_uart_tx_wakeup(hu);  in qca_set_baudrate()
1308 	if (hu->serdev)  in qca_set_baudrate()
1309 		serdev_device_wait_until_sent(hu->serdev,  in qca_set_baudrate()
1313 	if (qca_is_wcn399x(qca_soc_type(hu)) ||  in qca_set_baudrate()
1314 	    qca_is_wcn6750(qca_soc_type(hu)))  in qca_set_baudrate()
1322 static inline void host_set_baudrate(struct hci_uart *hu, unsigned int speed)  in host_set_baudrate()  argument
1324 	if (hu->serdev)  in host_set_baudrate()
1325 		serdev_device_set_baudrate(hu->serdev, speed);  in host_set_baudrate()
1327 		hci_uart_set_baudrate(hu, speed);  in host_set_baudrate()
1330 static int qca_send_power_pulse(struct hci_uart *hu, bool on)  in qca_send_power_pulse()  argument
1346 	bt_dev_dbg(hu->hdev, "sending power pulse %02x to controller", cmd);  in qca_send_power_pulse()
1348 	serdev_device_write_flush(hu->serdev);  in qca_send_power_pulse()
1349 	hci_uart_set_flow_control(hu, true);  in qca_send_power_pulse()
1350 	ret = serdev_device_write_buf(hu->serdev, &cmd, sizeof(cmd));  in qca_send_power_pulse()
1352 		bt_dev_err(hu->hdev, "failed to send power pulse %02x", cmd);  in qca_send_power_pulse()
1356 	serdev_device_wait_until_sent(hu->serdev, timeout);  in qca_send_power_pulse()
1357 	hci_uart_set_flow_control(hu, false);  in qca_send_power_pulse()
1368 static unsigned int qca_get_speed(struct hci_uart *hu,  in qca_get_speed()  argument
1374 		if (hu->init_speed)  in qca_get_speed()
1375 			speed = hu->init_speed;  in qca_get_speed()
1376 		else if (hu->proto->init_speed)  in qca_get_speed()
1377 			speed = hu->proto->init_speed;  in qca_get_speed()
1379 		if (hu->oper_speed)  in qca_get_speed()
1380 			speed = hu->oper_speed;  in qca_get_speed()
1381 		else if (hu->proto->oper_speed)  in qca_get_speed()
1382 			speed = hu->proto->oper_speed;  in qca_get_speed()
1388 static int qca_check_speeds(struct hci_uart *hu)  in qca_check_speeds()  argument
1390 	if (qca_is_wcn399x(qca_soc_type(hu)) ||  in qca_check_speeds()
1391 	    qca_is_wcn6750(qca_soc_type(hu))) {  in qca_check_speeds()
1392 		if (!qca_get_speed(hu, QCA_INIT_SPEED) &&  in qca_check_speeds()
1393 		    !qca_get_speed(hu, QCA_OPER_SPEED))  in qca_check_speeds()
1396 		if (!qca_get_speed(hu, QCA_INIT_SPEED) ||  in qca_check_speeds()
1397 		    !qca_get_speed(hu, QCA_OPER_SPEED))  in qca_check_speeds()
1404 static int qca_set_speed(struct hci_uart *hu, enum qca_speed_type speed_type)  in qca_set_speed()  argument
1407 	struct qca_data *qca = hu->priv;  in qca_set_speed()
1411 		speed = qca_get_speed(hu, QCA_INIT_SPEED);  in qca_set_speed()
1413 			host_set_baudrate(hu, speed);  in qca_set_speed()
1415 		enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_set_speed()
1417 		speed = qca_get_speed(hu, QCA_OPER_SPEED);  in qca_set_speed()
1426 			hci_uart_set_flow_control(hu, true);  in qca_set_speed()
1434 		bt_dev_dbg(hu->hdev, "Set UART speed to %d", speed);  in qca_set_speed()
1435 		ret = qca_set_baudrate(hu->hdev, qca_baudrate);  in qca_set_speed()
1439 		host_set_baudrate(hu, speed);  in qca_set_speed()
1444 			hci_uart_set_flow_control(hu, false);  in qca_set_speed()
1452 				bt_dev_err(hu->hdev,  in qca_set_speed()
1464 static int qca_send_crashbuffer(struct hci_uart *hu)  in qca_send_crashbuffer()  argument
1466 	struct qca_data *qca = hu->priv;  in qca_send_crashbuffer()
1471 		bt_dev_err(hu->hdev, "Failed to allocate memory for skb packet");  in qca_send_crashbuffer()
1482 	bt_dev_info(hu->hdev, "crash the soc to collect controller dump");  in qca_send_crashbuffer()
1484 	hci_uart_tx_wakeup(hu);  in qca_send_crashbuffer()
1491 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_wait_for_dump_collection()  local
1492 	struct qca_data *qca = hu->priv;  in qca_wait_for_dump_collection()
1502 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_hw_error()  local
1503 	struct qca_data *qca = hu->priv;  in qca_hw_error()
1517 		qca_send_crashbuffer(hu);  in qca_hw_error()
1529 		bt_dev_err(hu->hdev, "clearing allocated memory due to memdump timeout");  in qca_hw_error()
1551 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_cmd_timeout()  local
1552 	struct qca_data *qca = hu->priv;  in qca_cmd_timeout()
1557 		qca_send_crashbuffer(hu);  in qca_cmd_timeout()
1574 			hci_reset_dev(hu->hdev);  in qca_cmd_timeout()
1582 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_wakeup()  local
1588 	wakeup = device_may_wakeup(hu->serdev->ctrl->dev.parent);  in qca_wakeup()
1589 	bt_dev_dbg(hu->hdev, "wakeup status : %d", wakeup);  in qca_wakeup()
1594 static int qca_regulator_init(struct hci_uart *hu)  in qca_regulator_init()  argument
1596 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_regulator_init()
1604 	qcadev = serdev_device_get_drvdata(hu->serdev);  in qca_regulator_init()
1606 		serdev_device_close(hu->serdev);  in qca_regulator_init()
1611 		ret = serdev_device_open(hu->serdev);  in qca_regulator_init()
1613 			bt_dev_err(hu->hdev, "failed to open port");  in qca_regulator_init()
1620 		host_set_baudrate(hu, 2400);  in qca_regulator_init()
1621 		ret = qca_send_power_pulse(hu, false);  in qca_regulator_init()
1634 			bt_dev_dbg(hu->hdev, "SW_CTRL is %d", sw_ctrl_state);  in qca_regulator_init()
1638 	qca_set_speed(hu, QCA_INIT_SPEED);  in qca_regulator_init()
1641 		ret = qca_send_power_pulse(hu, true);  in qca_regulator_init()
1651 	serdev_device_close(hu->serdev);  in qca_regulator_init()
1652 	ret = serdev_device_open(hu->serdev);  in qca_regulator_init()
1654 		bt_dev_err(hu->hdev, "failed to open port");  in qca_regulator_init()
1658 	hci_uart_set_flow_control(hu, false);  in qca_regulator_init()
1665 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_power_on()  local
1666 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_power_on()
1668 	struct qca_data *qca = hu->priv;  in qca_power_on()
1674 	if (!hu->serdev)  in qca_power_on()
1679 		ret = qca_regulator_init(hu);  in qca_power_on()
1681 		qcadev = serdev_device_get_drvdata(hu->serdev);  in qca_power_on()
1693 static int qca_setup(struct hci_uart *hu)  in qca_setup()  argument
1695 	struct hci_dev *hdev = hu->hdev;  in qca_setup()
1696 	struct qca_data *qca = hu->priv;  in qca_setup()
1699 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_setup()
1700 	const char *firmware_name = qca_get_firmware_name(hu);  in qca_setup()
1704 	ret = qca_check_speeds(hu);  in qca_setup()
1739 		qca_set_speed(hu, QCA_INIT_SPEED);  in qca_setup()
1743 	speed = qca_get_speed(hu, QCA_OPER_SPEED);  in qca_setup()
1745 		ret = qca_set_speed(hu, QCA_OPER_SPEED);  in qca_setup()
1766 		hu->hdev->hw_error = qca_hw_error;  in qca_setup()
1767 		hu->hdev->cmd_timeout = qca_cmd_timeout;  in qca_setup()
1768 		hu->hdev->wakeup = qca_wakeup;  in qca_setup()
1785 		qca_power_shutdown(hu);  in qca_setup()
1786 		if (hu->serdev) {  in qca_setup()
1787 			serdev_device_close(hu->serdev);  in qca_setup()
1788 			ret = serdev_device_open(hu->serdev);  in qca_setup()
1800 		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;  in qca_setup()
1802 		hu->hdev->set_bdaddr = qca_set_bdaddr;  in qca_setup()
1878 static void qca_power_shutdown(struct hci_uart *hu)  in qca_power_shutdown()  argument
1881 	struct qca_data *qca = hu->priv;  in qca_power_shutdown()
1883 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_power_shutdown()
1892 	qca_flush(hu);  in qca_power_shutdown()
1898 	if (!hu->serdev)  in qca_power_shutdown()
1901 	qcadev = serdev_device_get_drvdata(hu->serdev);  in qca_power_shutdown()
1904 		host_set_baudrate(hu, 2400);  in qca_power_shutdown()
1905 		qca_send_power_pulse(hu, false);  in qca_power_shutdown()
1913 			bt_dev_dbg(hu->hdev, "SW_CTRL is %d", sw_ctrl_state);  in qca_power_shutdown()
1924 	struct hci_uart *hu = hci_get_drvdata(hdev);  in qca_power_off()  local
1925 	struct qca_data *qca = hu->priv;  in qca_power_off()
1926 	enum qca_btsoc_type soc_type = qca_soc_type(hu);  in qca_power_off()
1928 	hu->hdev->hw_error = NULL;  in qca_power_off()
1929 	hu->hdev->cmd_timeout = NULL;  in qca_power_off()
1941 	qca_power_shutdown(hu);  in qca_power_off()
2190 	struct hci_uart *hu = &qcadev->serdev_hu;  in qca_suspend()  local
2191 	struct qca_data *qca = hu->priv;  in qca_suspend()
2228 			bt_dev_err(hu->hdev, "SSR or FW download time out");  in qca_suspend()
2247 		serdev_device_write_flush(hu->serdev);  in qca_suspend()
2249 		ret = serdev_device_write_buf(hu->serdev, &cmd, sizeof(cmd));  in qca_suspend()
2276 		serdev_device_wait_until_sent(hu->serdev,  in qca_suspend()
2278 		serial_clock_vote(HCI_IBS_TX_VOTE_CLOCK_OFF, hu);  in qca_suspend()
2304 	struct hci_uart *hu = &qcadev->serdev_hu;  in qca_resume()  local
2305 	struct qca_data *qca = hu->priv;  in qca_resume()