72 	int			(*rx_func)(struct hci_uart *hu, u8 c);
75 	struct hci_uart		*hu;		/* Parent HCI UART */  member
111 static void h5_link_control(struct hci_uart *hu, const void *data, size_t len)  in h5_link_control()  argument
113 	struct h5 *h5 = hu->priv;  in h5_link_control()
138 	struct hci_uart *hu = h5->hu;  in h5_timed_event()  local
142 	BT_DBG("%s", hu->hdev->name);  in h5_timed_event()
145 		h5_link_control(hu, sync_req, sizeof(sync_req));  in h5_timed_event()
149 		h5_link_control(hu, conf_req, sizeof(conf_req));  in h5_timed_event()
162 	BT_DBG("hu %p retransmitting %u pkts", hu, h5->unack.qlen);  in h5_timed_event()
174 	hci_uart_tx_wakeup(hu);  in h5_timed_event()
177 static void h5_peer_reset(struct hci_uart *hu)  in h5_peer_reset()  argument
179 	struct h5 *h5 = hu->priv;  in h5_peer_reset()
181 	bt_dev_err(hu->hdev, "Peer device has reset");  in h5_peer_reset()
195 	hci_reset_dev(hu->hdev);  in h5_peer_reset()
198 static int h5_open(struct hci_uart *hu)  in h5_open()  argument
203 	BT_DBG("hu %p", hu);  in h5_open()
205 	if (hu->serdev) {  in h5_open()
206 		h5 = serdev_device_get_drvdata(hu->serdev);  in h5_open()
213 	hu->priv = h5;  in h5_open()
214 	h5->hu = hu;  in h5_open()
229 	set_bit(HCI_UART_INIT_PENDING, &hu->hdev_flags);  in h5_open()
232 	h5_link_control(hu, sync, sizeof(sync));  in h5_open()
238 static int h5_close(struct hci_uart *hu)  in h5_close()  argument
240 	struct h5 *h5 = hu->priv;  in h5_close()
251 	if (!hu->serdev)  in h5_close()
257 static int h5_setup(struct hci_uart *hu)  in h5_setup()  argument
259 	struct h5 *h5 = hu->priv;  in h5_setup()
309 static void h5_handle_internal_rx(struct hci_uart *hu)  in h5_handle_internal_rx()  argument
311 	struct h5 *h5 = hu->priv;  in h5_handle_internal_rx()
322 	BT_DBG("%s", hu->hdev->name);  in h5_handle_internal_rx()
334 			h5_peer_reset(hu);  in h5_handle_internal_rx()
335 		h5_link_control(hu, sync_rsp, 2);  in h5_handle_internal_rx()
338 			h5_peer_reset(hu);  in h5_handle_internal_rx()
340 		h5_link_control(hu, conf_req, 3);  in h5_handle_internal_rx()
342 		h5_link_control(hu, conf_rsp, 2);  in h5_handle_internal_rx()
343 		h5_link_control(hu, conf_req, 3);  in h5_handle_internal_rx()
349 		hci_uart_init_ready(hu);  in h5_handle_internal_rx()
360 		h5_link_control(hu, woken_req, 2);  in h5_handle_internal_rx()
367 	hci_uart_tx_wakeup(hu);  in h5_handle_internal_rx()
370 static void h5_complete_rx_pkt(struct hci_uart *hu)  in h5_complete_rx_pkt()  argument
372 	struct h5 *h5 = hu->priv;  in h5_complete_rx_pkt()
378 		hci_uart_tx_wakeup(hu);  in h5_complete_rx_pkt()
395 		hci_recv_frame(hu->hdev, h5->rx_skb);  in h5_complete_rx_pkt()
401 		h5_handle_internal_rx(hu);  in h5_complete_rx_pkt()
408 static int h5_rx_crc(struct hci_uart *hu, unsigned char c)  in h5_rx_crc()  argument
410 	h5_complete_rx_pkt(hu);  in h5_rx_crc()
415 static int h5_rx_payload(struct hci_uart *hu, unsigned char c)  in h5_rx_payload()  argument
417 	struct h5 *h5 = hu->priv;  in h5_rx_payload()
424 		h5_complete_rx_pkt(hu);  in h5_rx_payload()
430 static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c)  in h5_rx_3wire_hdr()  argument
432 	struct h5 *h5 = hu->priv;  in h5_rx_3wire_hdr()
436 	       hu->hdev->name, H5_HDR_SEQ(hdr), H5_HDR_ACK(hdr),  in h5_rx_3wire_hdr()
441 		bt_dev_err(hu->hdev, "Invalid header checksum");  in h5_rx_3wire_hdr()
447 		bt_dev_err(hu->hdev, "Out-of-order packet arrived (%u != %u)",  in h5_rx_3wire_hdr()
455 		bt_dev_err(hu->hdev, "Non-link packet received in non-active state");  in h5_rx_3wire_hdr()
466 static int h5_rx_pkt_start(struct hci_uart *hu, unsigned char c)  in h5_rx_pkt_start()  argument
468 	struct h5 *h5 = hu->priv;  in h5_rx_pkt_start()
478 		bt_dev_err(hu->hdev, "Can't allocate mem for new packet");  in h5_rx_pkt_start()
483 	h5->rx_skb->dev = (void *)hu->hdev;  in h5_rx_pkt_start()
488 static int h5_rx_delimiter(struct hci_uart *hu, unsigned char c)  in h5_rx_delimiter()  argument
490 	struct h5 *h5 = hu->priv;  in h5_rx_delimiter()
541 static int h5_recv(struct hci_uart *hu, const void *data, int count)  in h5_recv()  argument
543 	struct h5 *h5 = hu->priv;  in h5_recv()
546 	BT_DBG("%s pending %zu count %d", hu->hdev->name, h5->rx_pending,  in h5_recv()
554 				bt_dev_err(hu->hdev, "Too short H5 packet");  in h5_recv()
565 		processed = h5->rx_func(hu, *ptr);  in h5_recv()
576 static int h5_enqueue(struct hci_uart *hu, struct sk_buff *skb)  in h5_enqueue()  argument
578 	struct h5 *h5 = hu->priv;  in h5_enqueue()
581 		bt_dev_err(hu->hdev, "Packet too long (%u bytes)", skb->len);  in h5_enqueue()
587 		bt_dev_err(hu->hdev, "Ignoring HCI data in non-active state");  in h5_enqueue()
604 		bt_dev_err(hu->hdev, "Unknown packet type %u", hci_skb_pkt_type(skb));  in h5_enqueue()
651 static struct sk_buff *h5_prepare_pkt(struct hci_uart *hu, u8 pkt_type,  in h5_prepare_pkt()  argument
654 	struct h5 *h5 = hu->priv;  in h5_prepare_pkt()
660 		bt_dev_err(hu->hdev, "Unknown packet type %u", pkt_type);  in h5_prepare_pkt()
693 	       hu->hdev->name, H5_HDR_SEQ(hdr), H5_HDR_ACK(hdr),  in h5_prepare_pkt()
708 static struct sk_buff *h5_dequeue(struct hci_uart *hu)  in h5_dequeue()  argument
710 	struct h5 *h5 = hu->priv;  in h5_dequeue()
724 		return h5_prepare_pkt(hu, HCI_3WIRE_LINK_PKT, wakeup_req, 2);  in h5_dequeue()
729 		nskb = h5_prepare_pkt(hu, hci_skb_pkt_type(skb),  in h5_dequeue()
737 		bt_dev_err(hu->hdev, "Could not dequeue pkt because alloc_skb failed");  in h5_dequeue()
747 		nskb = h5_prepare_pkt(hu, hci_skb_pkt_type(skb),  in h5_dequeue()
757 		bt_dev_err(hu->hdev, "Could not dequeue pkt because alloc_skb failed");  in h5_dequeue()
764 		return h5_prepare_pkt(hu, HCI_3WIRE_ACK_PKT, NULL, 0);  in h5_dequeue()
769 static int h5_flush(struct hci_uart *hu)  in h5_flush()  argument
771 	BT_DBG("hu %p", hu);  in h5_flush()
796 	h5->hu = &h5->serdev_hu;  in h5_serdev_probe()
876 	btrtl_dev = btrtl_initialize(h5->hu->hdev, h5->id);  in h5_btrtl_setup()
880 	err = btrtl_get_uart_settings(h5->hu->hdev, btrtl_dev,  in h5_btrtl_setup()
887 	skb = __hci_cmd_sync(h5->hu->hdev, 0xfc17, sizeof(baudrate_data),  in h5_btrtl_setup()
890 		rtl_dev_err(h5->hu->hdev, "set baud rate command failed\n");  in h5_btrtl_setup()
899 	serdev_device_set_baudrate(h5->hu->serdev, controller_baudrate);  in h5_btrtl_setup()
900 	serdev_device_set_flow_control(h5->hu->serdev, flow_control);  in h5_btrtl_setup()
902 	err = btrtl_download_firmware(h5->hu->hdev, btrtl_dev);  in h5_btrtl_setup()
915 	serdev_device_set_flow_control(h5->hu->serdev, false);  in h5_btrtl_open()
916 	serdev_device_set_parity(h5->hu->serdev, SERDEV_PARITY_EVEN);  in h5_btrtl_open()
917 	serdev_device_set_baudrate(h5->hu->serdev, 115200);  in h5_btrtl_open()
939 	serdev_device_set_flow_control(h5->hu->serdev, false);  in h5_btrtl_suspend()
976 	reprobe->dev = get_device(&h5->hu->serdev->dev);  in h5_btrtl_resume()