59 	struct hci_uart *hu;  member
71 	struct hci_uart *hu;  member
107 static int intel_wait_booting(struct hci_uart *hu)  in intel_wait_booting()  argument
109 	struct intel_data *intel = hu->priv;  in intel_wait_booting()
117 		bt_dev_err(hu->hdev, "Device boot interrupted");  in intel_wait_booting()
122 		bt_dev_err(hu->hdev, "Device boot timeout");  in intel_wait_booting()
130 static int intel_wait_lpm_transaction(struct hci_uart *hu)  in intel_wait_lpm_transaction()  argument
132 	struct intel_data *intel = hu->priv;  in intel_wait_lpm_transaction()
140 		bt_dev_err(hu->hdev, "LPM transaction interrupted");  in intel_wait_lpm_transaction()
145 		bt_dev_err(hu->hdev, "LPM transaction timeout");  in intel_wait_lpm_transaction()
152 static int intel_lpm_suspend(struct hci_uart *hu)  in intel_lpm_suspend()  argument
155 	struct intel_data *intel = hu->priv;  in intel_lpm_suspend()
165 	bt_dev_dbg(hu->hdev, "Suspending");  in intel_lpm_suspend()
169 		bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet");  in intel_lpm_suspend()
180 	hci_uart_tx_wakeup(hu);  in intel_lpm_suspend()
182 	intel_wait_lpm_transaction(hu);  in intel_lpm_suspend()
188 		bt_dev_err(hu->hdev, "Device suspend error");  in intel_lpm_suspend()
192 	bt_dev_dbg(hu->hdev, "Suspended");  in intel_lpm_suspend()
194 	hci_uart_set_flow_control(hu, true);  in intel_lpm_suspend()
199 static int intel_lpm_resume(struct hci_uart *hu)  in intel_lpm_resume()  argument
201 	struct intel_data *intel = hu->priv;  in intel_lpm_resume()
208 	bt_dev_dbg(hu->hdev, "Resuming");  in intel_lpm_resume()
210 	hci_uart_set_flow_control(hu, false);  in intel_lpm_resume()
214 		bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet");  in intel_lpm_resume()
224 	hci_uart_tx_wakeup(hu);  in intel_lpm_resume()
226 	intel_wait_lpm_transaction(hu);  in intel_lpm_resume()
232 		bt_dev_err(hu->hdev, "Device resume error");  in intel_lpm_resume()
236 	bt_dev_dbg(hu->hdev, "Resumed");  in intel_lpm_resume()
242 static int intel_lpm_host_wake(struct hci_uart *hu)  in intel_lpm_host_wake()  argument
245 	struct intel_data *intel = hu->priv;  in intel_lpm_host_wake()
248 	hci_uart_set_flow_control(hu, false);  in intel_lpm_host_wake()
254 		bt_dev_err(hu->hdev, "Failed to alloc memory for LPM packet");  in intel_lpm_host_wake()
263 	hci_uart_tx_wakeup(hu);  in intel_lpm_host_wake()
265 	bt_dev_dbg(hu->hdev, "Resumed by controller");  in intel_lpm_host_wake()
277 	if (idev->hu)  in intel_irq()
278 		intel_lpm_host_wake(idev->hu);  in intel_irq()
289 static int intel_set_power(struct hci_uart *hu, bool powered)  in intel_set_power()  argument
294 	if (!hu->tty->dev)  in intel_set_power()
306 		if (hu->tty->dev->parent != idev->pdev->dev.parent)  in intel_set_power()
315 			hu, dev_name(&idev->pdev->dev), powered);  in intel_set_power()
325 		idev->hu = powered ? hu : NULL;  in intel_set_power()
339 				       hu, idev->irq);  in intel_set_power()
369 	if (!intel->hu->tty->dev)  in intel_busy_work()
378 		if (intel->hu->tty->dev->parent == idev->pdev->dev.parent) {  in intel_busy_work()
388 static int intel_open(struct hci_uart *hu)  in intel_open()  argument
392 	BT_DBG("hu %p", hu);  in intel_open()
394 	if (!hci_uart_has_flow_control(hu))  in intel_open()
404 	intel->hu = hu;  in intel_open()
406 	hu->priv = intel;  in intel_open()
408 	if (!intel_set_power(hu, true))  in intel_open()
414 static int intel_close(struct hci_uart *hu)  in intel_close()  argument
416 	struct intel_data *intel = hu->priv;  in intel_close()
418 	BT_DBG("hu %p", hu);  in intel_close()
422 	intel_set_power(hu, false);  in intel_close()
428 	hu->priv = NULL;  in intel_close()
432 static int intel_flush(struct hci_uart *hu)  in intel_flush()  argument
434 	struct intel_data *intel = hu->priv;  in intel_flush()
436 	BT_DBG("hu %p", hu);  in intel_flush()
468 static int intel_set_baudrate(struct hci_uart *hu, unsigned int speed)  in intel_set_baudrate()  argument
470 	struct intel_data *intel = hu->priv;  in intel_set_baudrate()
471 	struct hci_dev *hdev = hu->hdev;  in intel_set_baudrate()
479 	err = intel_wait_booting(hu);  in intel_set_baudrate()
515 	hci_uart_set_flow_control(hu, true);  in intel_set_baudrate()
518 	hci_uart_tx_wakeup(hu);  in intel_set_baudrate()
523 	hci_uart_set_baudrate(hu, speed);  in intel_set_baudrate()
524 	hci_uart_set_flow_control(hu, false);  in intel_set_baudrate()
529 static int intel_setup(struct hci_uart *hu)  in intel_setup()  argument
531 	struct intel_data *intel = hu->priv;  in intel_setup()
532 	struct hci_dev *hdev = hu->hdev;  in intel_setup()
548 	hu->hdev->set_diag = btintel_set_diag;  in intel_setup()
549 	hu->hdev->set_bdaddr = btintel_set_bdaddr;  in intel_setup()
559 	if (hu->init_speed)  in intel_setup()
560 		init_speed = hu->init_speed;  in intel_setup()
562 		init_speed = hu->proto->init_speed;  in intel_setup()
564 	if (hu->oper_speed)  in intel_setup()
565 		oper_speed = hu->oper_speed;  in intel_setup()
567 		oper_speed = hu->proto->oper_speed;  in intel_setup()
573 	err = intel_wait_booting(hu);  in intel_setup()
804 		err = intel_set_baudrate(hu, init_speed);  in intel_setup()
826 	err = intel_wait_booting(hu);  in intel_setup()
845 		if (!hu->tty->dev)  in intel_setup()
847 		if (hu->tty->dev->parent == dev->pdev->dev.parent) {  in intel_setup()
866 		err = intel_set_baudrate(hu, oper_speed);  in intel_setup()
880 	struct hci_uart *hu = hci_get_drvdata(hdev);  in intel_recv_event()  local
881 	struct intel_data *intel = hu->priv;  in intel_recv_event()
918 	struct hci_uart *hu = hci_get_drvdata(hdev);  in intel_recv_lpm_notify()  local
919 	struct intel_data *intel = hu->priv;  in intel_recv_lpm_notify()
934 	struct hci_uart *hu = hci_get_drvdata(hdev);  in intel_recv_lpm()  local
935 	struct intel_data *intel = hu->priv;  in intel_recv_lpm()
940 			bt_dev_err(hu->hdev, "Invalid LPM notification packet");  in intel_recv_lpm()
979 static int intel_recv(struct hci_uart *hu, const void *data, int count)  in intel_recv()  argument
981 	struct intel_data *intel = hu->priv;  in intel_recv()
983 	if (!test_bit(HCI_UART_REGISTERED, &hu->flags))  in intel_recv()
986 	intel->rx_skb = h4_recv_buf(hu->hdev, intel->rx_skb, data, count,  in intel_recv()
991 		bt_dev_err(hu->hdev, "Frame reassembly failed (%d)", err);  in intel_recv()
999 static int intel_enqueue(struct hci_uart *hu, struct sk_buff *skb)  in intel_enqueue()  argument
1001 	struct intel_data *intel = hu->priv;  in intel_enqueue()
1004 	BT_DBG("hu %p skb %p", hu, skb);  in intel_enqueue()
1006 	if (!hu->tty->dev)  in intel_enqueue()
1017 		if (hu->tty->dev->parent == idev->pdev->dev.parent) {  in intel_enqueue()
1031 static struct sk_buff *intel_dequeue(struct hci_uart *hu)  in intel_dequeue()  argument
1033 	struct intel_data *intel = hu->priv;  in intel_dequeue()
1051 			inject_cmd_complete(hu->hdev, opcode);  in intel_dequeue()
1090 	if (idev->hu)  in intel_suspend_device()
1091 		intel_lpm_suspend(idev->hu);  in intel_suspend_device()
1102 	if (idev->hu)  in intel_resume_device()
1103 		intel_lpm_resume(idev->hu);  in intel_resume_device()